/* roulang page: index */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4ae0ba;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }
        .section--compact {
            padding: var(--section-pad-md) 0;
        }
        .section--tight {
            padding: var(--section-pad-sm) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .section-desc--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .text-orange {
            color: var(--accent-orange);
        }
        .text-green {
            color: var(--accent-green);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .fw-bold {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }
        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            list-style: none;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.06);
        }
        .nav-links li a.active {
            color: var(--accent-orange);
            font-weight: 600;
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 8px 14px;
            gap: 8px;
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13.5px;
            width: 100%;
            padding: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }
        .nav-quick-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-green);
            text-decoration: none;
            white-space: nowrap;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-quick-link:hover {
            color: #4ae0ba;
            background: rgba(46, 212, 167, 0.08);
        }
        .btn-nav-cta {
            background: var(--accent-orange);
            color: #14161A;
            font-size: 13.5px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            color: #14161A;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(240, 160, 48, 0.3);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 24px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            line-height: 1;
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 20px;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background: var(--bg-card);
            color: var(--accent-orange);
        }
        .mobile-nav a.active {
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.08);
        }
        .mobile-nav .mobile-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            gap: 8px;
            margin-bottom: 4px;
        }
        .mobile-nav .mobile-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            width: 100%;
            font-size: 14px;
        }
        .mobile-nav .mobile-search input::placeholder {
            color: var(--text-muted);
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #14161A;
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #14161A;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 160, 48, 0.3);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(240, 160, 48, 0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent-green);
            border: 1px solid var(--accent-green);
        }
        .btn-secondary:hover {
            background: rgba(46, 212, 167, 0.1);
            color: #4ae0ba;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(46, 212, 167, 0.15);
        }
        .btn-text {
            background: none;
            border: none;
            color: var(--accent-green);
            font-weight: 600;
            padding: 6px 4px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14.5px;
        }
        .btn-text i {
            transition: var(--transition);
        }
        .btn-text:hover {
            color: #4ae0ba;
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13.5px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn-block {
            width: 100%;
            justify-content: center;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            min-height: calc(100vh - 68px);
            padding: 120px 0 80px;
            overflow: hidden;
            display: flex;
            align-items: center;
            background: var(--bg-primary);
        }
        .hero-grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(240, 160, 48, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(240, 160, 48, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-glow {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            filter: blur(80px);
        }
        .hero-glow--green {
            width: 420px;
            height: 420px;
            background: rgba(46, 212, 167, 0.12);
            top: -80px;
            left: -100px;
        }
        .hero-glow--orange {
            width: 480px;
            height: 480px;
            background: rgba(240, 160, 48, 0.1);
            bottom: -120px;
            right: -80px;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(46, 212, 167, 0.12);
            border: 1px solid rgba(46, 212, 167, 0.3);
            color: var(--accent-green);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: clamp(30px, 5vw, 50px);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--accent-orange);
            position: relative;
        }
        .hero-desc {
            font-size: 16.5px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 540px;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-trust-points {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .trust-point {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .trust-point .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
        }
        .trust-point .label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(240, 160, 48, 0.35);
            box-shadow: var(--shadow-hover);
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border: none;
            box-shadow: none;
            position: absolute;
            inset: 0;
        }
        .hero-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 22, 26, 0.7) 0%, rgba(20, 22, 26, 0.2) 60%, rgba(20, 22, 26, 0.5) 100%);
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        .visual-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-green);
            color: #14161A;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
        }
        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 12px;
            z-index: 3;
            text-decoration: none;
            transition: var(--transition);
        }
        .hero-scroll-hint:hover {
            color: var(--accent-orange);
        }
        .hero-scroll-hint i {
            animation: bounce-down 2s infinite;
        }
        @keyframes bounce-down {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(6px); }
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(240, 160, 48, 0.35);
            border-color: rgba(240, 160, 48, 0.3);
        }
        .card-accent {
            border-left: 3px solid var(--accent-orange);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .card-icon--green {
            background: rgba(46, 212, 167, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(46, 212, 167, 0.25);
        }
        .card-icon--orange {
            background: rgba(240, 160, 48, 0.12);
            color: var(--accent-orange);
            border: 1px solid rgba(240, 160, 48, 0.25);
        }
        .card:hover .card-icon {
            color: var(--accent-orange);
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ BADGES ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            white-space: nowrap;
        }
        .badge-green {
            background: var(--accent-green);
            color: #14161A;
        }
        .badge-orange {
            background: var(--accent-orange);
            color: #14161A;
        }
        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }
        .badge-gray {
            background: var(--border-color);
            color: var(--text-secondary);
        }

        /* ============ NEWS / INFO LIST ============ */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-list li:hover {
            background: var(--bg-hover);
            border-bottom-color: rgba(240, 160, 48, 0.3);
        }
        .news-list li a {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 12px;
            text-decoration: none;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .news-list li a .news-index {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-orange);
            flex-shrink: 0;
            width: 28px;
        }
        .news-list li a .news-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .news-list li a:hover .news-title {
            color: var(--accent-orange);
        }
        .news-list li a .news-time {
            font-size: 12.5px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .news-recommend {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            align-self: start;
        }
        .news-recommend .rec-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }
        .rec-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .rec-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .rec-item img {
            width: 80px;
            height: 56px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            border: 1px solid var(--border-color);
        }
        .rec-item .rec-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .rec-item .rec-info p {
            font-size: 12.5px;
            color: var(--text-muted);
            margin: 0;
        }
        .rec-item:hover h4 {
            color: var(--accent-orange);
        }

        /* ============ FEATURE CARDS ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            border-left: 3px solid var(--accent-orange);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(240, 160, 48, 0.35);
            border-left-color: var(--accent-green);
        }

        /* ============ SCENE DEMO ============ */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 36px 0;
        }
        .scene-block--reverse {
            direction: rtl;
        }
        .scene-block--reverse > * {
            direction: ltr;
        }
        .scene-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: relative;
            background: var(--bg-card);
        }
        .scene-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .scene-image:hover img {
            transform: scale(1.02);
        }
        .scene-image .image-glow {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(46, 212, 167, 0.15) 0%, transparent 50%, rgba(240, 160, 48, 0.1) 100%);
            pointer-events: none;
        }
        .scene-text h3 {
            font-size: 24px;
            font-weight: 750;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .scene-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .scene-points {
            list-style: none;
            margin-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .scene-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .scene-points li i {
            color: var(--accent-green);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ============ REVIEWS ============ */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: var(--transition);
            position: relative;
        }
        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 212, 167, 0.3);
        }
        .review-card .quote-mark {
            font-size: 42px;
            color: rgba(240, 160, 48, 0.35);
            line-height: 1;
            margin-bottom: 10px;
            font-family: Georgia, serif;
        }
        .review-card .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            min-height: 72px;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-card .review-author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-hover);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-green);
            flex-shrink: 0;
        }
        .review-card .review-author .info .name {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .review-card .review-author .info .role {
            font-size: 12px;
            color: var(--text-muted);
        }
        .trust-badge-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .trust-badge-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            font-size: 13.5px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .trust-badge-item:hover {
            border-color: rgba(240, 160, 48, 0.3);
            color: var(--text-primary);
        }
        .trust-badge-item i {
            color: var(--accent-green);
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-block .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            position: relative;
        }
        .brand-intro-block .brand-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }
        .brand-intro-block .brand-text h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .brand-intro-block .brand-text p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /* ============ DATA METRICS ============ */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }
        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 160, 48, 0.3);
        }
        .metric-card .metric-num {
            font-size: 34px;
            font-weight: 900;
            color: var(--accent-orange);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 13.5px;
            color: var(--text-secondary);
        }

        /* ============ TIMELINE / PREVIEW ============ */
        .preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .preview-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .preview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 212, 167, 0.3);
        }
        .preview-card .preview-badge {
            position: absolute;
            top: 16px;
            right: 16px;
        }
        .preview-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
        }
        .preview-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .preview-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        /* ============ GUARANTEE BAR ============ */
        .guarantee-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .guarantee-item i {
            color: var(--accent-green);
            font-size: 20px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(46, 212, 167, 0.25);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent-orange);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-orange);
        }
        .faq-question .faq-arrow {
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-orange);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
        }

        /* ============ LEAD FORM ============ */
        .lead-form-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            border-top: 2px solid var(--accent-orange);
            max-width: 720px;
            margin: 0 auto;
        }
        .lead-form-section h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .lead-form-section .form-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14.5px;
            transition: var(--transition);
            outline: none;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
            line-height: 1.6;
        }

        /* ============ STICKY CTA ============ */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(20, 22, 26, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--accent-orange);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
            display: none;
        }
        .sticky-cta.visible {
            transform: translateY(0);
            display: block;
        }
        .sticky-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .sticky-cta-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .sticky-cta-text span {
            color: var(--accent-orange);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0F1114;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(46, 212, 167, 0.6);
        }
        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-orange);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 13.5px;
            outline: none;
            transition: var(--transition);
        }
        .footer-form input:focus {
            border-color: var(--accent-green);
        }
        .footer-form input::placeholder {
            color: var(--text-muted);
        }
        .footer-form button {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 13.5px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }
        .footer-form button:hover {
            background: var(--accent-orange-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            font-size: 12.5px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent-orange);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .section {
                padding: var(--section-pad-md) 0;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-visual {
                min-height: 300px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-block {
                grid-template-columns: 1fr;
                gap: 28px;
                direction: ltr;
            }
            .scene-block--reverse {
                direction: ltr;
            }
            .scene-block--reverse > * {
                direction: ltr;
            }
            .brand-intro-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-sm) 0;
            }
            .hero-section {
                padding: 90px 0 60px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .preview-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-trust-points {
                gap: 20px;
            }
            .sticky-cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .sticky-cta-text {
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .lead-form-section {
                padding: 24px 20px;
            }
            .guarantee-strip {
                padding: 20px;
                gap: 16px;
            }
            .nav-quick-link {
                display: none;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 12.5px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .trust-badge-row {
                flex-direction: column;
                align-items: stretch;
            }
            .news-list li a {
                flex-wrap: wrap;
                padding: 12px 8px;
            }
            .news-list li a .news-time {
                width: 100%;
                padding-left: 36px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-green-hover: #4AE0BA;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-green-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,h2,h3,h4,h5,h6 {
            margin: 0 0 12px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
        }
        p {
            margin: 0 0 16px;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }
        .section--compact {
            padding: var(--section-pad-md) 0;
        }
        .section--tight {
            padding: var(--section-pad-sm) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .text-orange { color: var(--accent-orange); }
        .text-green { color: var(--accent-green); }
        .text-muted { color: var(--text-muted); }
        .text-secondary { color: var(--text-secondary); }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }
        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            border-radius: var(--radius-sm);
        }
        .nav-links li a:hover {
            color: var(--accent-orange);
        }
        .nav-links li a.active {
            color: var(--accent-orange);
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 7px 14px;
            transition: var(--transition);
            max-width: 200px;
        }
        .nav-search i {
            color: var(--text-secondary);
            font-size: 13px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            min-width: 100px;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
        }
        .nav-quick-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-green);
            white-space: nowrap;
        }
        .nav-quick-link:hover {
            color: var(--accent-green-hover);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-orange);
            color: #14161A;
            font-size: 13.5px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(240, 160, 48, 0.35);
        }
        .btn-nav-cta:active {
            transform: scale(0.98);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 20px;
            padding: 6px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }
        .nav-toggle:hover {
            background: var(--bg-hover);
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-orange);
            color: #14161A;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(240, 160, 48, 0.35);
            color: #14161A;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-green);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(46, 212, 167, 0.1);
            color: var(--accent-green-hover);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: none;
            color: var(--accent-green);
            font-size: 14.5px;
            font-weight: 600;
            padding: 4px 0;
            transition: var(--transition);
        }
        .btn-text i {
            font-size: 13px;
            transition: transform 0.2s ease;
        }
        .btn-text:hover {
            color: var(--accent-green-hover);
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }
        /* Breadcrumb */
        .breadcrumb-wrap {
            padding-top: 100px;
            padding-bottom: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-orange);
            font-weight: 600;
        }
        /* Page Hero */
        .page-hero {
            padding: 40px 0 56px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
            background:
                radial-gradient(ellipse at 15% 20%, rgba(46, 212, 167, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(240, 160, 48, 0.07) 0%, transparent 50%),
                var(--bg-primary);
        }
        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero h1 {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .page-hero p {
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .page-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-status-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-sm);
        }
        .hero-status-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .hero-status-label {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-status-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .hero-status-value .green-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            margin-right: 6px;
            animation: pulse-dot 2s infinite;
        }
        .hero-status-bar .bar-track {
            height: 6px;
            background: var(--border-color);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }
        .hero-status-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent-green) 30%, var(--accent-orange) 70%, var(--accent-orange) 100%);
            transition: width 0.8s ease;
            width: 82%;
        }
        /* Icon Matrix */
        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 16px;
        }
        .icon-matrix-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .icon-matrix-item:hover {
            border-color: rgba(240, 160, 48, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .icon-matrix-item i {
            font-size: 24px;
            color: var(--accent-green);
        }
        .icon-matrix-item span {
            font-size: 12.5px;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.4;
        }
        /* Scene Cards */
        .scene-cards-wrap {
            margin-top: 40px;
        }
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-orange);
            opacity: 0.7;
        }
        .scene-card:hover {
            border-color: rgba(240, 160, 48, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scene-card:hover::before {
            background: var(--accent-orange);
            box-shadow: 0 0 16px rgba(240, 160, 48, 0.5);
        }
        .scene-card-img {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.4);
            position: relative;
            aspect-ratio: 16/10;
        }
        .scene-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }
        .scene-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(0deg, rgba(20,22,26,0.5) 0%, transparent 100%);
            pointer-events: none;
        }
        .scene-card-content h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .scene-card-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .scene-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(46, 212, 167, 0.15);
            color: var(--accent-green);
        }
        .badge-orange {
            background: rgba(240, 160, 48, 0.15);
            color: var(--accent-orange);
        }
        .scene-card-content .card-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* Steps */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            border-color: rgba(46, 212, 167, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent-green);
            color: #14161A;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(46, 212, 167, 0.3);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        /* Features highlights */
        .feature-highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .feature-highlight {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }
        .feature-highlight:hover {
            border-color: rgba(240, 160, 48, 0.35);
            background: var(--bg-hover);
        }
        .feature-highlight i {
            font-size: 28px;
            color: var(--accent-orange);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .feature-highlight h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .feature-highlight p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 36px auto 0;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(46, 212, 167, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-question .arrow {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .faq-item.open .faq-question {
            color: var(--accent-green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            border-top: none;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 16px 20px 20px;
            border-top: 1px solid var(--border-color);
        }
        .faq-answer p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0;
        }
        /* CTA Banner */
        .cta-banner {
            background: var(--bg-card);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240,160,48,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 480px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-logo .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-green);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 13.5px;
        }
        .footer-form input::placeholder {
            color: var(--text-muted);
        }
        .footer-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
            outline: none;
        }
        .footer-form button {
            background: var(--accent-green);
            color: #14161A;
            font-size: 13.5px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }
        .footer-form button:hover {
            background: var(--accent-green-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--accent-green);
        }
        /* Bottom fixed bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(20, 22, 26, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--accent-orange);
            padding: 12px 0;
            display: none;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        .bottom-cta-bar.visible {
            display: block;
            transform: translateY(0);
        }
        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .bottom-cta-inner p {
            font-size: 14px;
            color: var(--text-primary);
            margin: 0;
            font-weight: 600;
        }
        .bottom-cta-inner p .highlight {
            color: var(--accent-orange);
        }
        .bottom-cta-inner .btn-primary {
            padding: 9px 20px;
            font-size: 14px;
            white-space: nowrap;
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .nav-links li a { padding: 8px 10px; font-size: 13.5px; }
            .nav-search { max-width: 160px; }
            .nav-search input { min-width: 70px; }
            .page-hero-grid { grid-template-columns: 1fr; gap: 24px; }
            .steps-wrap { grid-template-columns: repeat(2, 1fr); }
            .scene-card { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
        }
        @media screen and (max-width: 768px) {
            .site-header { height: 60px; }
            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(20, 22, 26, 0.98);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                z-index: 1001;
            }
            .nav-links.open { display: flex; }
            .nav-links li { width: 100%; }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links li a.active::after { display: none; }
            .nav-links li a.active { background: rgba(240, 160, 48, 0.1); }
            .nav-search { display: none; }
            .nav-quick-link { display: none; }
            .nav-toggle { display: flex; align-items: center; justify-content: center; }
            .breadcrumb-wrap { padding-top: 80px; }
            .page-hero { padding: 28px 0 40px; }
            .section { padding: var(--section-pad-sm) 0; }
            .section--compact { padding: 40px 0; }
            .section--tight { padding: 32px 0; }
            .icon-matrix { grid-template-columns: repeat(2, 1fr); }
            .steps-wrap { grid-template-columns: 1fr; }
            .feature-highlight-grid { grid-template-columns: 1fr; }
            .cta-banner { flex-direction: column; text-align: left; align-items: flex-start; padding: 32px 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .bottom-cta-inner { flex-direction: column; gap: 10px; text-align: center; }
            .bottom-cta-inner p { font-size: 13px; }
        }
        @media screen and (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .page-hero h1 { font-size: 26px; }
            .scene-card { padding: 20px; }
            .icon-matrix-item i { font-size: 20px; }
            .icon-matrix-item span { font-size: 11.5px; }
            .btn-primary, .btn-secondary { padding: 10px 20px; font-size: 14px; }
            .cta-banner h2 { font-size: 22px; }
            .step-card { padding: 20px 16px; }
            .faq-question { font-size: 15px; padding: 14px 16px; }
            .faq-answer { padding: 0 16px; }
            .faq-item.open .faq-answer { padding: 12px 16px 16px; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4ae0ba;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }
        .section--compact {
            padding: var(--section-pad-md) 0;
        }
        .section--tight {
            padding: var(--section-pad-sm) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .section-desc--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .text-orange { color: var(--accent-orange); }
        .text-green { color: var(--accent-green); }
        .text-muted { color: var(--text-muted); }
        .text-secondary { color: var(--text-secondary); }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }
        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            list-style: none;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--accent-orange);
        }
        .nav-links li a.active {
            color: var(--accent-orange);
            font-weight: 700;
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 1px;
        }
        .nav-links li a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 1px;
            transform: scaleX(0);
            transition: var(--transition);
        }
        .nav-links li a:not(.active):hover::after {
            transform: scaleX(1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            width: 190px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-quick-link {
            font-size: 14px;
            color: var(--accent-green);
            font-weight: 600;
            white-space: nowrap;
            padding: 6px 4px;
        }
        .nav-quick-link:hover {
            color: #4ae0ba;
        }
        .btn-nav-cta {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-1px);
            color: #14161A;
        }
        .btn-nav-cta:active {
            transform: scale(0.98);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 22px;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: var(--bg-hover);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-wrap {
            padding-top: 92px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
            background: rgba(20, 22, 26, 0.6);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            padding: 48px 0 40px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -50px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero .hero-left h1 {
            font-size: clamp(32px, 4.5vw, 46px);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .page-hero .hero-left h1 .highlight {
            color: var(--accent-orange);
        }
        .page-hero .hero-left .hero-sub {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-orange);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .page-hero .hero-right {
            position: relative;
        }
        .page-hero .hero-right .hero-img-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(240, 160, 48, 0.3);
            box-shadow: var(--shadow-hover);
        }
        .page-hero .hero-right .hero-img-box img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }
        .page-hero .hero-right .hero-img-box::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(20, 22, 26, 0.6), transparent);
            pointer-events: none;
        }
        .hero-badge-float {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(20, 22, 26, 0.9);
            border: 1px solid var(--accent-green);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 2;
        }
        .hero-badge-float .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .hero-badge-float .badge-text {
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 600;
        }

        /* ============ FILTER TOOLBAR ============ */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            margin-bottom: 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .filter-tags .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
        }
        .filter-tag.active {
            background: var(--accent-orange);
            color: #14161A;
            border-color: var(--accent-orange);
            font-weight: 700;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sort select {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 8px 14px;
            color: var(--text-primary);
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
            min-width: 130px;
        }
        .filter-sort select:focus {
            border-color: var(--accent-green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }
        .filter-sort select option {
            background: var(--bg-card);
            color: var(--text-primary);
        }

        /* ============ CARD GRID ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .person-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .person-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--accent-orange);
            opacity: 0;
            transition: var(--transition);
        }
        .person-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 160, 48, 0.4);
        }
        .person-card:hover::before {
            opacity: 1;
        }
        .person-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .person-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .person-card:hover .card-img img {
            transform: scale(1.04);
        }
        .person-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(20, 22, 26, 0.8), transparent);
            pointer-events: none;
        }
        .card-badges {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            z-index: 2;
            flex-wrap: wrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }
        .badge-green {
            background: var(--accent-green);
            color: #14161A;
        }
        .badge-orange {
            background: var(--accent-orange);
            color: #14161A;
        }
        .badge-gray {
            background: rgba(110, 118, 132, 0.3);
            color: var(--text-secondary);
        }
        .card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(20, 22, 26, 0.85);
            border-radius: 18px;
            padding: 4px 10px;
            display: flex;
            align-items: center;
            gap: 4px;
            z-index: 2;
        }
        .card-rating i {
            color: var(--accent-orange);
            font-size: 12px;
        }
        .card-rating span {
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 700;
        }
        .person-card .card-body {
            padding: 20px 20px 24px;
        }
        .person-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .card-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(46, 212, 167, 0.12);
            color: var(--accent-green);
            font-weight: 600;
        }
        .card-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .card-meta .meta-item i {
            color: var(--accent-green);
            font-size: 13px;
        }
        .btn-card {
            background: transparent;
            border: 1px solid var(--accent-green);
            color: var(--accent-green);
            font-weight: 600;
            font-size: 13px;
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .btn-card:hover {
            background: rgba(46, 212, 167, 0.12);
            color: #4ae0ba;
            border-color: #4ae0ba;
        }

        /* ============ STANDARD SECTION ============ */
        .standard-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin-top: 16px;
        }
        .standard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 32px;
        }
        .standard-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .standard-item:hover {
            border-color: rgba(240, 160, 48, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .standard-item .std-icon {
            font-size: 32px;
            color: var(--accent-orange);
            margin-bottom: 12px;
        }
        .standard-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .standard-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            background: rgba(240, 160, 48, 0.05);
            border: 1px solid rgba(240, 160, 48, 0.2);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }
        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .brand-intro-section .intro-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .brand-intro-section h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .brand-intro-section p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 160, 48, 0.3);
        }
        .faq-item.open {
            border-left: 3px solid rgba(240, 160, 48, 0.5);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            gap: 16px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-orange);
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* ============ CTA BANNER ============ */
        .cta-banner {
            background: var(--bg-card);
            border: 1px solid rgba(240, 160, 48, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner .cta-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-content h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-banner .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            color: #14161A;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent-green);
            color: var(--accent-green);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 1;
        }
        .btn-secondary:hover {
            background: rgba(46, 212, 167, 0.1);
            color: #4ae0ba;
            border-color: #4ae0ba;
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0F1114;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-orange);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-form input:focus {
            border-color: var(--accent-green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }
        .footer-form input::placeholder {
            color: var(--text-muted);
        }
        .footer-form button {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            white-space: nowrap;
        }
        .footer-form button:hover {
            background: var(--accent-orange-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-links {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--accent-orange);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .standard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero .hero-right .hero-img-box img {
                height: 240px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .nav-search {
                width: 140px;
            }
            .nav-quick-link {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-xl: 64px;
                --section-pad-md: 48px;
                --section-pad-sm: 32px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(20, 22, 26, 0.98);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 10px 14px;
                font-size: 15px;
            }
            .nav-links li a.active::after,
            .nav-links li a:not(.active)::after {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .nav-wrapper {
                gap: 12px;
            }
            .page-hero .hero-left h1 {
                font-size: 28px;
            }
            .page-hero .hero-right .hero-img-box img {
                height: 200px;
            }
            .standard-section {
                padding: 28px 20px;
            }
            .standard-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .brand-intro-section {
                padding: 28px 20px;
            }
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-content {
                text-align: center;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            .filter-sort {
                width: 100%;
            }
            .filter-sort select {
                flex: 1;
            }
            .breadcrumb-wrap {
                padding-top: 84px;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .page-hero .hero-stats {
                gap: 18px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-banner .cta-content h3 {
                font-size: 22px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .card-meta {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 68px;
        }
        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4ae0ba;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }
        .section--compact {
            padding: var(--section-pad-md) 0;
        }
        .section--tight {
            padding: var(--section-pad-sm) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .text-orange {
            color: var(--accent-orange);
        }
        .text-green {
            color: var(--accent-green);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }
        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--accent-orange);
            border-bottom-color: var(--accent-orange);
        }
        .nav-links li a.active {
            color: var(--accent-orange);
            border-bottom-color: var(--accent-orange);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 6px 14px;
            min-width: 200px;
            transition: var(--transition);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .nav-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13.5px;
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
        }
        .nav-quick-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            padding: 6px 4px;
            transition: var(--transition);
        }
        .nav-quick-link:hover {
            color: var(--accent-green);
        }
        .btn-nav-cta {
            background: var(--accent-orange);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(240, 160, 48, 0.35);
        }
        .btn-nav-cta:active {
            transform: scale(0.98);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            padding: 4px;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb-bar .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-bar .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-bar .breadcrumb li + li::before {
            content: "/";
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb-bar .breadcrumb li:last-child {
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* ============ HERO ============ */
        .rank-hero {
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            padding: 72px 0 56px;
        }
        .rank-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .rank-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .rank-hero .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .rank-hero h1 {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 900;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .rank-hero h1 .highlight {
            color: var(--accent-orange);
        }
        .rank-hero .hero-sub {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .hero-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .hero-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-green));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .hero-panel .panel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-panel .panel-title i {
            color: var(--accent-orange);
        }
        .mini-rank-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .mini-rank-row:last-child {
            border-bottom: none;
        }
        .mini-rank-row .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-orange);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .mini-rank-row .rank-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-hover);
            border: 1px solid var(--border-color);
            flex-shrink: 0;
            overflow: hidden;
        }
        .mini-rank-row .rank-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
            border: none;
            box-shadow: none;
        }
        .mini-rank-row .rank-info {
            flex: 1;
            min-width: 0;
        }
        .mini-rank-row .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mini-rank-row .rank-desc {
            font-size: 12.5px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mini-rank-row .rank-score {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-green);
            flex-shrink: 0;
        }

        /* ============ RANK LIST ============ */
        .rank-list-section {
            background: var(--bg-primary);
        }
        .rank-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .rank-filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .rank-filter-tag {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .rank-filter-tag:hover {
            color: var(--accent-orange);
            border-color: rgba(240, 160, 48, 0.4);
        }
        .rank-filter-tag.active {
            color: var(--bg-primary);
            background: var(--accent-orange);
            border-color: var(--accent-orange);
            font-weight: 600;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .rank-list-item:last-child {
            border-bottom: none;
        }
        .rank-list-item:hover {
            background: var(--bg-hover);
        }
        .rank-list-item .rank-pos {
            font-size: 32px;
            font-weight: 900;
            color: var(--text-muted);
            width: 56px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .rank-list-item.top1 .rank-pos {
            color: var(--accent-orange);
            text-shadow: 0 0 20px rgba(240, 160, 48, 0.5);
        }
        .rank-list-item.top2 .rank-pos {
            color: #d4d4d8;
        }
        .rank-list-item.top3 .rank-pos {
            color: #b5895a;
        }
        .rank-list-item .rank-main {
            flex: 1;
            min-width: 0;
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .rank-list-item .rank-main .rank-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-hover);
            border: 2px solid var(--border-color);
            flex-shrink: 0;
            overflow: hidden;
            transition: var(--transition);
        }
        .rank-list-item:hover .rank-main .rank-avatar {
            border-color: rgba(240, 160, 48, 0.5);
        }
        .rank-list-item .rank-main .rank-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
            border: none;
            box-shadow: none;
        }
        .rank-list-item .rank-meta {
            flex: 1;
            min-width: 0;
        }
        .rank-list-item .rank-meta .rank-name-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 4px;
            flex-wrap: wrap;
        }
        .rank-list-item .rank-meta .rank-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .rank-list-item .rank-meta .rank-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
            line-height: 1.4;
        }
        .badge-green {
            background: rgba(46, 212, 167, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(46, 212, 167, 0.3);
        }
        .badge-orange {
            background: rgba(240, 160, 48, 0.15);
            color: var(--accent-orange);
            border: 1px solid rgba(240, 160, 48, 0.3);
        }
        .badge-gray {
            background: rgba(185, 190, 199, 0.1);
            color: var(--text-secondary);
            border: 1px solid rgba(185, 190, 199, 0.2);
        }
        .rank-list-item .rank-stats {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
        }
        .rank-list-item .rank-stats .stat-block {
            text-align: center;
        }
        .rank-list-item .rank-stats .stat-block .stat-num {
            font-size: 17px;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }
        .rank-list-item .rank-stats .stat-block .stat-label {
            font-size: 11px;
            color: var(--text-muted);
        }
        .btn-rank-cta {
            background: transparent;
            border: 1px solid var(--accent-green);
            color: var(--accent-green);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-rank-cta:hover {
            background: rgba(46, 212, 167, 0.1);
            color: #4ae0ba;
            border-color: #4ae0ba;
        }

        /* ============ FEATURED RANK CARDS ============ */
        .featured-cards {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 24px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        .featured-cards:hover {
            border-color: rgba(240, 160, 48, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-cards .fc-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(240, 160, 48, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .featured-cards .fc-icon i {
            font-size: 22px;
            color: var(--accent-orange);
        }
        .featured-cards .fc-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .featured-cards .fc-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .featured-cards .fc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .featured-cards .fc-link:hover {
            color: #4ae0ba;
            gap: 10px;
        }

        /* ============ DATA BAND ============ */
        .data-band {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .data-band .db-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .data-band .db-item .db-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--accent-orange);
            line-height: 1.2;
        }
        .data-band .db-item .db-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .data-band .db-divider {
            width: 1px;
            height: 48px;
            background: var(--border-color);
        }

        /* ============ REVIEWS ============ */
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            position: relative;
            transition: var(--transition);
        }
        .review-card:hover {
            border-color: rgba(46, 212, 167, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .review-card .quote-mark {
            font-size: 40px;
            color: rgba(240, 160, 48, 0.3);
            line-height: 1;
            margin-bottom: 12px;
            font-family: Georgia, serif;
        }
        .review-card .review-text {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-card .review-author .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-hover);
            border: 1px solid var(--border-color);
            flex-shrink: 0;
        }
        .review-card .review-author .author-name {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .review-card .review-author .author-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 160, 48, 0.3);
        }
        .faq-item.active {
            border-color: rgba(240, 160, 48, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--accent-orange);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-item.active .faq-question .faq-icon {
            color: var(--accent-orange);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
            border-left-color: rgba(240, 160, 48, 0.4);
        }

        /* ============ CTA BANNER ============ */
        .cta-banner {
            background: var(--bg-card);
            border: 1px solid rgba(240, 160, 48, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-green), var(--accent-orange));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .cta-banner h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-banner p {
            font-size: 15.5px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 26px;
            line-height: 1.8;
        }
        .btn-primary-large {
            background: var(--accent-orange);
            color: var(--bg-primary);
            font-size: 16px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .btn-primary-large:hover {
            background: var(--accent-orange-hover);
            color: var(--bg-primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(240, 160, 48, 0.4);
        }
        .btn-primary-large:active {
            transform: scale(0.97);
        }

        /* ============ STICKY CTA ============ */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(20, 22, 26, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(240, 160, 48, 0.5);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform 0.35s ease;
        }
        .sticky-cta.visible {
            transform: translateY(0);
        }
        .sticky-cta .sticky-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .sticky-cta .sticky-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .sticky-cta .sticky-text span {
            color: var(--accent-orange);
        }
        .btn-sticky-cta {
            background: var(--accent-orange);
            color: var(--bg-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-sticky-cta:hover {
            background: var(--accent-orange-hover);
            color: var(--bg-primary);
            box-shadow: 0 6px 16px rgba(240, 160, 48, 0.35);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #111318;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
            margin-bottom: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-orange);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 13.5px;
            outline: none;
            min-width: 0;
            transition: var(--transition);
        }
        .footer-form input::placeholder {
            color: var(--text-muted);
        }
        .footer-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
        }
        .footer-form button {
            background: var(--accent-orange);
            color: var(--bg-primary);
            font-size: 13.5px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: var(--transition);
        }
        .footer-form button:hover {
            background: var(--accent-orange-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom .footer-links a {
            font-size: 12.5px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent-green);
        }

        /* ============ ANIMATIONS ============ */
        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 13.5px;
            }
            .nav-search {
                min-width: 150px;
            }
            .rank-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .rank-list-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px 20px;
            }
            .rank-list-item .rank-stats {
                margin-left: 76px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-md) 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(20, 22, 26, 0.98);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
                gap: 4px;
                z-index: 999;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                border-bottom: none;
            }
            .nav-links li a.active {
                background: rgba(240, 160, 48, 0.1);
                border-radius: var(--radius-sm);
            }
            .nav-search {
                display: none;
            }
            .nav-quick-link {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .rank-list-item .rank-pos {
                font-size: 24px;
                width: 36px;
            }
            .rank-list-item .rank-main .rank-avatar {
                width: 44px;
                height: 44px;
            }
            .rank-list-item .rank-stats {
                margin-left: 0;
                width: 100%;
                justify-content: space-between;
                padding-left: 56px;
            }
            .data-band {
                padding: 24px;
                gap: 16px;
            }
            .data-band .db-divider {
                display: none;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .sticky-cta .sticky-text {
                font-size: 13px;
            }
            .btn-sticky-cta {
                font-size: 12.5px;
                padding: 8px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .rank-hero {
                padding: 48px 0 36px;
            }
            .rank-hero h1 {
                font-size: 26px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
            .rank-list-item {
                padding: 14px 16px;
            }
            .rank-list-item .rank-pos {
                font-size: 20px;
                width: 28px;
            }
            .rank-list-item .rank-main {
                gap: 12px;
            }
            .rank-list-item .rank-main .rank-avatar {
                width: 38px;
                height: 38px;
            }
            .rank-list-item .rank-meta .rank-name {
                font-size: 15px;
            }
            .rank-list-item .rank-stats {
                padding-left: 40px;
                gap: 12px;
            }
            .btn-rank-cta {
                font-size: 12px;
                padding: 6px 12px;
            }
            .rank-filter-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 68px;
        }

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #4ae0ba;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }

        .section--compact {
            padding: var(--section-pad-md) 0;
        }

        .section--tight {
            padding: var(--section-pad-sm) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }

        .section-desc--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .text-orange {
            color: var(--accent-orange);
        }
        .text-green {
            color: var(--accent-green);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }

        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links li a.active {
            color: var(--accent-orange);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 7px 14px;
            width: 200px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.15);
        }

        .nav-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13.5px;
            width: 100%;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-quick-link {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 7px 6px;
            white-space: nowrap;
        }

        .nav-quick-link:hover {
            color: var(--accent-green);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-orange);
            color: #14161A;
            font-size: 13.5px;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-1px);
            color: #14161A;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 18px;
            padding: 7px 12px;
            cursor: pointer;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            padding: 24px 0 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb .separator {
            color: #3a3e46;
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            padding: 56px 0 48px;
            position: relative;
            background: var(--bg-primary);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -160px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -140px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .page-hero-content h1 {
            font-size: clamp(28px, 4.2vw, 42px);
            font-weight: 900;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .page-hero-content .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-kpi {
            text-align: left;
        }

        .hero-kpi .kpi-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
        }

        .hero-kpi .kpi-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .page-hero-visual {
            position: relative;
        }

        .page-hero-visual .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(240, 160, 48, 0.3);
            box-shadow: var(--shadow-hover), 0 0 40px rgba(240, 160, 48, 0.08);
            clip-path: polygon(0 0, 92% 0, 100% 8%, 100% 100%, 8% 100%, 0 92%);
        }

        .page-hero-visual .hero-img-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }

        .page-hero-visual .hero-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(20, 22, 26, 0.88);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(46, 212, 167, 0.4);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 2;
        }

        .page-hero-visual .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }

        .page-hero-visual .hero-badge span {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ============ BUTTONS ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-orange);
            color: #14161A;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            color: #14161A;
            box-shadow: 0 6px 20px rgba(240, 160, 48, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-green);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(46, 212, 167, 0.1);
            color: #4ae0ba;
            transform: translateY(-2px);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            color: var(--accent-orange);
            font-size: 14.5px;
            font-weight: 600;
            padding: 6px 0;
            transition: var(--transition);
        }

        .btn-text i {
            font-size: 12px;
            transition: var(--transition);
        }

        .btn-text:hover {
            color: var(--accent-orange-hover);
        }

        .btn-text:hover i {
            transform: translateX(4px);
        }

        /* ============ CERT LEVEL CARDS ============ */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 16px;
        }

        .cert-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-orange);
            opacity: 0.7;
        }

        .cert-card:hover {
            transform: translateY(-4px);
            border-color: rgba(240, 160, 48, 0.4);
            box-shadow: var(--shadow-hover);
            background: var(--bg-hover);
        }

        .cert-card.level-1::before { background: #8A93A3; }
        .cert-card.level-2::before { background: var(--accent-green); }
        .cert-card.level-3::before { background: var(--accent-orange); }
        .cert-card.level-4::before { background: linear-gradient(90deg, var(--accent-orange), var(--accent-green)); }

        .cert-card .cert-level-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .cert-card.level-1 .cert-level-badge {
            background: rgba(138, 147, 163, 0.15);
            color: #B9BEC7;
            border: 1px solid rgba(138, 147, 163, 0.3);
        }
        .cert-card.level-2 .cert-level-badge {
            background: rgba(46, 212, 167, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(46, 212, 167, 0.3);
        }
        .cert-card.level-3 .cert-level-badge {
            background: rgba(240, 160, 48, 0.12);
            color: var(--accent-orange);
            border: 1px solid rgba(240, 160, 48, 0.3);
        }
        .cert-card.level-4 .cert-level-badge {
            background: rgba(240, 160, 48, 0.15);
            color: var(--accent-orange-hover);
            border: 1px solid rgba(240, 160, 48, 0.4);
        }

        .cert-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cert-card .cert-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .cert-card .cert-abilities {
            list-style: none;
            margin: 0 0 18px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cert-card .cert-abilities li {
            font-size: 13.5px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .cert-card .cert-abilities li i {
            color: var(--accent-green);
            font-size: 12px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .cert-card .cert-status {
            font-size: 12.5px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 16px;
            width: fit-content;
        }

        .cert-status.available {
            background: rgba(46, 212, 167, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(46, 212, 167, 0.25);
        }
        .cert-status.hot {
            background: rgba(240, 160, 48, 0.1);
            color: var(--accent-orange);
            border: 1px solid rgba(240, 160, 48, 0.25);
        }

        .cert-card .btn-mini {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .cert-card .btn-mini:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.08);
        }

        /* ============ COMPARISON BAR ============ */
        .comparison-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            margin-top: 8px;
        }

        .comparison-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .comparison-header h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
        }

        .comparison-header .comparison-tag {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-header .comparison-tag i {
            color: var(--accent-green);
        }

        .comparison-bar {
            display: grid;
            grid-template-columns: 160px 1fr 90px;
            gap: 16px;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-bar:last-child {
            border-bottom: none;
        }

        .comparison-bar .bar-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .comparison-bar .bar-track {
            height: 10px;
            background: #2A2E36;
            border-radius: 5px;
            overflow: hidden;
            position: relative;
        }

        .comparison-bar .bar-fill {
            height: 100%;
            border-radius: 5px;
            background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
            transition: width 1s ease;
        }

        .comparison-bar .bar-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-orange);
            text-align: right;
        }

        /* ============ PROCESS STEPS ============ */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }

        .process-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            border-color: rgba(46, 212, 167, 0.35);
            box-shadow: var(--shadow-sm);
        }

        .process-step .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent-orange);
            color: #14161A;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(240, 160, 48, 0.25);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ============ SCENARIO SECTION ============ */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 0;
        }

        .scenario-block .scenario-content {
            padding: 36px 32px;
        }

        .scenario-block .scenario-content h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .scenario-block .scenario-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .scenario-block .scenario-content p:last-child {
            margin-bottom: 0;
        }

        .scenario-block .scenario-img {
            height: 100%;
            min-height: 280px;
            overflow: hidden;
            position: relative;
        }

        .scenario-block .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }

        .scenario-block .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,22,26,0.1) 0%, rgba(20,22,26,0.5) 100%);
            pointer-events: none;
        }

        .scenario-list {
            list-style: none;
            margin: 14px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scenario-list li {
            font-size: 14.5px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .scenario-list li i {
            color: var(--accent-green);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ============ FAQ ============ */
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(240, 160, 48, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            width: 100%;
            transition: var(--transition);
            border: none;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            width: 20px;
            text-align: center;
        }

        .faq-item.active .faq-question .faq-icon {
            color: var(--accent-orange);
            transform: rotate(180deg);
        }

        .faq-item.active {
            border-color: rgba(240, 160, 48, 0.3);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin: 0;
            border-left: 3px solid rgba(240, 160, 48, 0.3);
            padding-left: 16px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid rgba(240, 160, 48, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-green), var(--accent-orange), var(--accent-green));
            background-size: 200% 100%;
            animation: gradientMove 3s linear infinite;
        }

        @keyframes gradientMove {
            0% { background-position: 0% 0; }
            100% { background-position: 200% 0; }
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 15.5px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ STICKY BOTTOM CTA ============ */
        .sticky-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(20, 22, 26, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(240, 160, 48, 0.4);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .sticky-bottom-cta.visible {
            transform: translateY(0);
        }

        .sticky-bottom-cta .sticky-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .sticky-bottom-cta .sticky-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .sticky-bottom-cta .sticky-text span {
            color: var(--accent-orange);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0F1114;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 6px rgba(46, 212, 167, 0.6);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent-green);
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0 0 12px;
        }

        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-form input {
            flex: 1;
            min-width: 150px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 9px 14px;
            font-size: 13.5px;
            color: var(--text-primary);
            outline: none;
            transition: var(--transition);
        }

        .footer-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.12);
        }

        .footer-form input::placeholder {
            color: var(--text-muted);
        }

        .footer-form button {
            background: var(--accent-orange);
            color: #14161A;
            font-size: 13px;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .footer-form button:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-1px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 12.5px;
        }

        .footer-links a:hover {
            color: var(--accent-green);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .nav-search {
                width: 140px;
            }
            .nav-quick-link {
                display: none;
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .site-header {
                height: 60px;
            }
            .nav-wrapper {
                gap: 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(20, 22, 26, 0.98);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                z-index: 999;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 14px;
                font-size: 15px;
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 12.5px;
            }
            .nav-toggle {
                display: block;
            }
            .section {
                padding: var(--section-pad-sm) 0;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero-visual .hero-img-wrap img {
                height: 220px;
            }
            .cert-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .scenario-block {
                grid-template-columns: 1fr;
            }
            .scenario-block .scenario-img {
                min-height: 200px;
                order: -1;
            }
            .comparison-section {
                padding: 24px 18px;
            }
            .comparison-bar {
                grid-template-columns: 110px 1fr 60px;
                gap: 10px;
            }
            .comparison-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .sticky-bottom-cta .sticky-wrapper {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .sticky-bottom-cta .sticky-text {
                font-size: 13.5px;
            }
        }

        @media (max-width: 520px) {
            .btn-nav-cta {
                display: none;
            }
            .nav-logo .logo-text {
                font-size: 18px;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-kpi-row {
                gap: 20px;
            }
            .hero-kpi .kpi-num {
                font-size: 22px;
            }
            .cert-card {
                padding: 22px 18px;
            }
            .comparison-bar {
                grid-template-columns: 90px 1fr 50px;
                font-size: 12.5px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .faq-question {
                font-size: 14.5px;
                padding: 15px 16px;
            }
            .faq-answer p {
                font-size: 13.5px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #14161A;
            --bg-card: #1D2026;
            --bg-hover: #232730;
            --border-color: #2A2E36;
            --text-primary: #F5F6F8;
            --text-secondary: #B9BEC7;
            --text-muted: #6E7684;
            --accent-orange: #F0A030;
            --accent-orange-hover: #FFB84D;
            --accent-green: #2ED4A7;
            --accent-red: #D64545;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-pad-xl: 96px;
            --section-pad-md: 64px;
            --section-pad-sm: 44px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 68px;
        }

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4ae0ba;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad-xl) 0;
            position: relative;
        }
        .section--compact {
            padding: var(--section-pad-md) 0;
        }
        .section--tight {
            padding: var(--section-pad-sm) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            background: rgba(240, 160, 48, 0.1);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .section-desc--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .text-orange {
            color: var(--accent-orange);
        }
        .text-green {
            color: var(--accent-green);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            }
            50% {
                opacity: 0.55;
                box-shadow: 0 0 4px rgba(46, 212, 167, 0.3);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes arrowBounce {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(6px);
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(20, 22, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--accent-orange);
        }
        .nav-logo .online-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px rgba(46, 212, 167, 0.7);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            list-style: none;
            margin: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: var(--transition);
            border-radius: 1px;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--accent-orange);
        }
        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 60%;
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 0 12px;
            gap: 8px;
            height: 38px;
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13.5px;
            width: 100%;
            padding: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
        }
        .nav-quick-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-green);
            padding: 8px 12px;
            white-space: nowrap;
        }
        .nav-quick-link:hover {
            color: #4ae0ba;
        }
        .btn-nav-cta {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-cta:hover {
            background: var(--accent-orange-hover);
            color: #14161A;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(240, 160, 48, 0.35);
        }
        .btn-nav-cta:active {
            transform: scale(0.98);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
            margin-top: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb-nav .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.06) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.07) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero-content h1 {
            font-size: clamp(28px, 4.5vw, 42px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .page-hero-content h1 .highlight {
            color: var(--accent-orange);
        }
        .page-hero-content .hero-desc {
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(46, 212, 167, 0.1);
            border: 1px solid rgba(46, 212, 167, 0.3);
            color: var(--accent-green);
        }
        .hero-badge--orange {
            background: rgba(240, 160, 48, 0.1);
            border-color: rgba(240, 160, 48, 0.3);
            color: var(--accent-orange);
        }
        .page-hero-image {
            position: relative;
        }
        .page-hero-image .img-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(240, 160, 48, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .page-hero-image .img-frame::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 40%;
            height: 40%;
            background: linear-gradient(135deg, transparent 50%, rgba(240, 160, 48, 0.15) 50%, rgba(240, 160, 48, 0.05) 100%);
            pointer-events: none;
        }
        .page-hero-image .img-frame img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border: none;
            box-shadow: none;
        }
        .page-hero-image .floating-stat {
            position: absolute;
            bottom: -16px;
            left: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 2;
        }
        .floating-stat .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(46, 212, 167, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
            font-size: 16px;
        }
        .floating-stat .stat-text {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .floating-stat .stat-text strong {
            display: block;
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 700;
        }

        /* ============ STAT STRIP ============ */
        .stat-strip {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }
        .stat-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 8px 12px;
        }
        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 13.5px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ HELP STEPS ============ */
        .steps-section {
            padding: var(--section-pad-xl) 0;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            position: relative;
            transition: var(--transition);
            overflow: hidden;
        }
        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--accent-orange);
            opacity: 0;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 160, 48, 0.4);
        }
        .step-card:hover::before {
            opacity: 1;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.12);
            border: 2px solid rgba(240, 160, 48, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-orange);
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .step-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: var(--section-pad-xl) 0;
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(240, 160, 48, 0.35);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-hover);
        }
        .faq-question .faq-q-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-orange);
            font-size: 13px;
            transition: var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: rgba(240, 160, 48, 0.25);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            padding-left: 16px;
            border-left: 3px solid rgba(240, 160, 48, 0.35);
        }

        /* ============ CTA BANNER ============ */
        .cta-banner-section {
            padding: var(--section-pad-xl) 0;
        }
        .cta-banner {
            background: var(--bg-card);
            border: 1px solid rgba(240, 160, 48, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -70%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(46, 212, 167, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner-content {
            position: relative;
            z-index: 1;
            flex: 1;
        }
        .cta-banner-content h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .cta-banner-content p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 0;
        }
        .cta-banner-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(240, 160, 48, 0.4);
            color: #14161A;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent-green);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(46, 212, 167, 0.1);
            color: #4ae0ba;
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }

        /* ============ BOTTOM FIXED CTA ============ */
        .bottom-cta-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(20, 22, 26, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(240, 160, 48, 0.5);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.35s ease;
        }
        .bottom-cta-fixed.visible {
            transform: translateY(0);
        }
        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-cta-text {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .bottom-cta-text .highlight {
            color: var(--accent-orange);
        }
        .bottom-cta-inner .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-logo .online-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(46, 212, 167, 0.6);
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-orange);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-form input {
            flex: 1;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            min-width: 0;
            transition: var(--transition);
        }
        .footer-form input::placeholder {
            color: var(--text-muted);
        }
        .footer-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(46, 212, 167, 0.2);
        }
        .footer-form button {
            background: var(--accent-orange);
            color: #14161A;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: none;
            white-space: nowrap;
            transition: var(--transition);
        }
        .footer-form button:hover {
            background: var(--accent-orange-hover);
        }
        .footer-form button:active {
            transform: scale(0.97);
        }
        .footer-bottom {
            padding: 20px 0 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-orange);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 13.5px;
            }
            .nav-search {
                min-width: 150px;
            }
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero-image .img-frame img {
                height: 280px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                padding: 36px 28px;
            }
            .cta-banner-actions {
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(20, 22, 26, 0.98);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
            }
            .nav-search {
                display: none;
            }
            .nav-quick-link {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .section {
                padding: var(--section-pad-md) 0;
            }
            .page-hero {
                padding: 40px 0 28px;
            }
            .page-hero-content h1 {
                font-size: clamp(24px, 5vw, 30px);
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 22px 18px;
            }
            .stat-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .bottom-cta-inner {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .bottom-cta-text {
                font-size: 14px;
            }
            .bottom-cta-inner .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                padding: 15px 18px;
                gap: 12px;
            }
            .faq-question .faq-q-text {
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .page-hero-image .img-frame img {
                height: 200px;
            }
            .floating-stat {
                bottom: -12px;
                left: 12px;
                padding: 10px 14px;
            }
            .floating-stat .stat-text {
                font-size: 12px;
            }
            .floating-stat .stat-text strong {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .stat-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item .stat-number {
                font-size: 22px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .page-hero-content h1 {
                font-size: 22px;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .cta-banner-actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-banner-content h2 {
                font-size: 20px;
            }
        }