/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-lighter: #334155;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --bg-dark: #0f172a;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 48px rgba(15, 23, 42, 0.12);
            --shadow-accent: 0 4px 24px rgba(245, 158, 11, 0.35);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --nav-blur: 12px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation (悬浮胶囊) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: var(--container-max);
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(var(--nav-blur));
            -webkit-backdrop-filter: blur(var(--nav-blur));
            border-radius: var(--radius-xl);
            box-shadow: 0 4px 30px rgba(15, 23, 42, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 40px rgba(15, 23, 42, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 28px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }

        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-logo .logo-badge {
            font-size: 11px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            padding: 2px 10px;
            border-radius: 20px;
            -webkit-text-fill-color: #fff;
            letter-spacing: 0.3px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(15, 23, 42, 0.05);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.15);
        }

        .main-nav a.active:hover {
            background: var(--primary-light);
        }

        .nav-cta {
            padding: 8px 24px !important;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            border-radius: 40px !important;
            box-shadow: var(--shadow-accent);
            margin-left: 8px;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 30px rgba(245, 158, 11, 0.4) !important;
            background: linear-gradient(135deg, var(--accent-light), var(--accent)) !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: rgba(15, 23, 42, 0.05);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                border-radius: var(--radius-lg);
            }

            .header-inner {
                padding: 0 16px;
                height: 64px;
            }

            .site-logo {
                font-size: 17px;
            }
            .site-logo .logo-badge {
                display: none;
            }
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: calc(100% + 8px);
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: var(--transition);
                border: 1px solid var(--border);
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 16px;
            }

            .main-nav a.active {
                background: var(--primary);
                color: #fff;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 4px;
                text-align: center;
            }
        }

        @media (max-width: 420px) {
            .site-logo {
                font-size: 15px;
            }
            .site-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .header-inner {
                height: 58px;
                padding: 0 12px;
            }
        }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, #1a2744 50%, var(--primary-light) 100%);
            overflow: hidden;
            padding: 120px 24px 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 50%, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 860px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 18px 6px 10px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            letter-spacing: 0.3px;
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            max-width: 680px;
            margin: 0 auto 36px;
            font-weight: 400;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.2;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(245, 158, 11, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 16px 44px;
            font-size: 18px;
        }

        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }

        .hero-stat .num .accent {
            color: var(--accent-light);
        }

        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            font-weight: 400;
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 42px;
            }
            .hero p {
                font-size: 18px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 90vh;
                padding: 100px 16px 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 16px;
                margin-bottom: 28px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn-lg {
                padding: 14px 32px;
                font-size: 16px;
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 28px;
                flex-wrap: wrap;
            }
            .hero-stat .num {
                font-size: 26px;
            }
            .hero-stat .label {
                font-size: 12px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 4px 14px 4px 8px;
                margin-bottom: 20px;
            }
        }

        @media (max-width: 420px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero p {
                font-size: 14px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
            .hero-stats {
                gap: 16px;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 90px 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-header .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.1);
            padding: 4px 16px;
            border-radius: 40px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: var(--text-white);
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .section-header .tag {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .section-header p {
                font-size: 15px;
            }
        }

        @media (max-width: 420px) {
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header p {
                font-size: 14px;
            }
        }

        /* ===== Features Section ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .feature-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-dark);
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-card:hover .icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 28px 20px 24px;
            }
        }

        /* ===== Category Section ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }

        .category-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: var(--transition);
        }

        .category-card:hover .card-img {
            transform: scale(1.03);
        }

        .category-card .card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.1);
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .category-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .category-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .category-card .card-link i {
            transition: var(--transition);
        }

        .category-card:hover .card-link i {
            transform: translateX(4px);
        }

        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card .card-body {
                padding: 18px 18px 22px;
            }
        }

        /* ===== Latest Posts Section ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .post-card .post-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: var(--transition);
        }

        .post-card:hover .post-img {
            transform: scale(1.03);
        }

        .post-card .post-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .post-card .post-meta .cat {
            background: rgba(15, 23, 42, 0.06);
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .post-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .post-card .post-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .post-card .post-link i {
            transition: var(--transition);
        }

        .post-card:hover .post-link i {
            transform: translateX(4px);
        }

        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-light);
            font-size: 16px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        .posts-empty i {
            font-size: 40px;
            display: block;
            margin-bottom: 16px;
            color: var(--border);
        }

        @media (max-width: 1024px) {
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .post-card .post-body {
                padding: 16px 18px 20px;
            }
            .post-card h3 {
                font-size: 16px;
            }
        }

        /* ===== Stats / Data Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 36px 20px 32px;
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--accent-light);
            margin-bottom: 16px;
        }

        .stat-card .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }

        .stat-card .stat-num .accent {
            color: var(--accent-light);
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 6px;
            font-weight: 400;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 24px 12px 20px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
            .stat-card .stat-label {
                font-size: 12px;
            }
        }

        /* ===== Process / Steps Section ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: calc(12.5% + 12px);
            right: calc(12.5% + 12px);
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
            opacity: 0.3;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .process-step .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
            position: relative;
        }

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

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 24px;
            }
            .process-grid::before {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== FAQ Section ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.08);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(15, 23, 42, 0.02);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1a2744 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }

        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 18px;
            padding: 16px 48px;
        }

        .cta-section .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
        }

        .cta-section .cta-note {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 768px) {
            .cta-section .container {
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .cta-section .btn-primary {
                font-size: 16px;
                padding: 14px 36px;
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 420px) {
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
        }

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

        .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .footer-brand .site-logo .logo-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }

        .footer-brand .site-logo .logo-text {
            -webkit-text-fill-color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 420px) {
            .footer-col h4 {
                font-size: 14px;
            }
            .footer-col ul li a {
                font-size: 13px;
            }
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            z-index: 100;
            opacity: 0;
            visibility: hidden;
            transform: translateY(16px);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-accent);
        }

        @media (max-width: 768px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }

        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-40 {
            margin-top: 40px;
        }

        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Focus Visible ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-alt);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6C5CE7;
            --primary-dark: #5A4BD1;
            --primary-light: #A29BFE;
            --primary-bg: rgba(108, 92, 231, 0.08);
            --secondary: #00CEC9;
            --secondary-dark: #00B5B0;
            --accent: #FD79A8;
            --accent-light: #FDCB6E;
            --bg: #F8F9FA;
            --bg-alt: #FFFFFF;
            --bg-dark: #2D3436;
            --bg-card: #FFFFFF;
            --text: #2D3436;
            --text-light: #636E72;
            --text-muted: #B2BEC3;
            --text-white: #FFFFFF;
            --border: #DFE6E9;
            --border-light: #F0F0F0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 16px 56px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-height);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation (悬浮胶囊) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1160px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 60px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
            padding: 0 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 6px 40px rgba(0, 0, 0, 0.10);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 8px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.3px;
            text-decoration: none;
            padding: 6px 16px 6px 12px;
            border-radius: 40px;
            transition: var(--transition);
        }
        .site-logo:hover { color: var(--text); background: var(--primary-bg); }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .logo-text { font-weight: 700; font-size: 1.15rem; }
        .logo-badge {
            font-size: 0.65rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            padding: 2px 10px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .main-nav a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 8px 24px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.30);
        }
        .main-nav a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.40);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        }
        .main-nav a.nav-cta i { margin-right: 6px; }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-bg);
            transition: var(--transition);
            gap: 5px;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--primary-light); }
        .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #2D3436 0%, #1a1a2e 50%, #16213e 100%);
            overflow: hidden;
            margin-top: -16px;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108,92,231,0.35) 0%, rgba(0,206,201,0.20) 100%);
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .article-hero-breadcrumb a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .article-hero-breadcrumb a:hover { color: var(--primary-light); }
        .article-hero-breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.4); }
        .article-hero-category {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.10);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            max-width: 860px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.20);
        }
        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-hero-meta span { display: flex; align-items: center; gap: 6px; }
        .article-hero-meta i { font-size: 0.85rem; }
        .article-hero-meta .meta-author { color: var(--primary-light); font-weight: 500; }

        /* ===== Article Main Content ===== */
        .article-main {
            padding: 60px 0;
            background: var(--bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-content-area {
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 52px;
            overflow: hidden;
        }
        .article-content-area .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content-area .article-body p {
            margin-bottom: 1.6rem;
        }
        .article-content-area .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--text);
            line-height: 1.3;
        }
        .article-content-area .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: var(--text);
        }
        .article-content-area .article-body ul,
        .article-content-area .article-body ol {
            margin: 1rem 0 1.6rem 1.6rem;
        }
        .article-content-area .article-body li {
            margin-bottom: 0.5rem;
            list-style: disc;
        }
        .article-content-area .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 1.6rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content-area .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.8rem auto;
            box-shadow: var(--shadow);
        }
        .article-content-area .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content-area .article-body a:hover { color: var(--primary-dark); }

        /* ===== Article Tags & Share ===== */
        .article-tags-share {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .article-tags a {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .article-tags a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.92rem;
            line-height: 1.4;
            display: block;
            transition: var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); padding-left: 4px; }
        .sidebar-list .list-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
        }
        .sidebar-cta h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 20px;
            color: #fff;
        }
        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary);
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-block;
            transition: var(--transition);
            text-decoration: none;
        }
        .sidebar-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255,255,255,0.25);
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
        }
        .related-section .section-title p {
            color: var(--text-light);
            margin-top: 8px;
            font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--text);
            display: block;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 8px;
            color: var(--text);
            transition: var(--transition);
        }
        .related-card:hover .card-title { color: var(--primary); }
        .related-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #2D3436, #1a1a2e);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-content {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            box-shadow: 0 8px 32px rgba(108, 92, 231, 0.35);
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 48px rgba(108, 92, 231, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(8px);
            color: #fff;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            border: 1px solid rgba(255,255,255,0.15);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.20);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 64px 0 32px;
        }
        .site-footer .site-logo {
            color: #fff;
            padding-left: 0;
        }
        .site-footer .site-logo:hover { background: transparent; color: #fff; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin-top: 16px;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-col ul a i { margin-right: 8px; width: 18px; text-align: center; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; display: block; }
        .not-found-box h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; font-size: 1.05rem; }
        .not-found-box .btn-back {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .site-header { top: 12px; width: calc(100% - 24px); border-radius: 40px; }
            .main-nav {
                position: fixed;
                top: 76px;
                left: 12px;
                right: 12px;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                border-radius: 24px;
                box-shadow: 0 20px 60px rgba(0,0,0,0.15);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                display: none;
                border: 1px solid var(--border);
            }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; text-align: center; padding: 12px 16px; font-size: 1rem; }
            .main-nav a.nav-cta { margin-top: 8px; }
            .nav-toggle { display: flex; }
            .article-hero { padding: 60px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-content-area { padding: 28px 20px; }
            .article-layout { gap: 32px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .cta-content h2 { font-size: 1.6rem; }
            .cta-buttons { flex-direction: column; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
            .article-hero-meta { gap: 16px; font-size: 0.85rem; }
            .article-tags-share { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .site-header { top: 8px; border-radius: 32px; }
            .header-inner { height: 54px; }
            .logo-text { font-size: 1rem; }
            .logo-badge { display: none; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-content-area { padding: 20px 16px; font-size: 0.95rem; }
            .related-card .card-img { height: 160px; }
            .cta-section { padding: 60px 0; }
            .cta-content h2 { font-size: 1.3rem; }
            .site-footer { padding: 40px 0 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a1a;
            --accent: #4a6cf7;
            --accent-light: #6b8aff;
            --success: #22c55e;
            --bg: #f8f7f4;
            --bg-alt: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text: #1e1e2a;
            --text-light: #5a5a6e;
            --text-white: #f5f5f7;
            --text-muted: #8a8a9e;
            --border: #e8e6e0;
            --border-light: #f0efe8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--accent-light);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.6rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1em;
        }
        p:last-child {
            margin-bottom: 0;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--secondary);
            background: rgba(232, 168, 56, 0.12);
            padding: 0.3rem 1rem;
            border-radius: 100px;
            margin-bottom: 0.75rem;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.92);
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.2rem;
            transition: opacity var(--transition);
        }
        .site-logo:hover {
            opacity: 0.88;
            color: var(--text-white);
        }
        .site-logo .logo-icon {
            font-size: 1.6rem;
            color: var(--secondary);
            transition: transform var(--transition);
        }
        .site-logo:hover .logo-icon {
            transform: rotate(-15deg) scale(1.05);
        }
        .site-logo .logo-text {
            letter-spacing: -0.02em;
        }
        .site-logo .logo-badge {
            font-size: 0.6rem;
            font-weight: 600;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 0.15rem 0.6rem;
            border-radius: 100px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            line-height: 1.4;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.7);
            padding: 0.5rem 1rem;
            border-radius: 100px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(232, 168, 56, 0.18);
            box-shadow: 0 0 0 1px rgba(232, 168, 56, 0.25);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 100px;
        }
        .main-nav .nav-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 0.5rem 1.2rem;
            font-weight: 600;
            border-radius: 100px;
            margin-left: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .main-nav .nav-cta:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(232, 168, 56, 0.35);
        }
        .main-nav .nav-cta i {
            font-size: 0.85em;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            gap: 5px;
            padding: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-md) var(--spacing-lg);
                gap: 0.25rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 0.75rem 1rem;
                font-size: 1rem;
            }
            .main-nav .nav-cta {
                margin-left: 0;
                margin-top: 0.5rem;
                justify-content: center;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(232, 168, 56, 0.15);
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            background: var(--primary-dark);
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            filter: brightness(0.6) saturate(0.8);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(15, 15, 26, 0.7) 50%, rgba(26, 26, 46, 0.85) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .page-hero h1 .highlight {
            color: var(--secondary);
        }
        .page-hero .hero-sub {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.15rem;
            max-width: 640px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 100px;
            transition: all var(--transition);
            border: none;
            box-shadow: 0 4px 20px rgba(232, 168, 56, 0.25);
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 168, 56, 0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
            font-weight: 500;
            font-size: 1rem;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.14);
            color: var(--text-white);
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, 0.25);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
                min-height: 280px;
            }
            .page-hero .hero-sub {
                font-size: 1rem;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: var(--text-white);
        }
        .section-dark .text-muted {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            margin-bottom: 0.5rem;
        }
        .section-header p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Stats / Data Row ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-number .suffix {
            font-size: 1.2rem;
            color: var(--secondary);
            font-weight: 600;
        }
        .stat-card .stat-label {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-top: 0.3rem;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            opacity: 0.7;
        }
        .section-dark .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .stat-card .stat-number {
            color: var(--text-white);
        }
        .section-dark .stat-card .stat-label {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .stat-card .stat-icon {
            color: var(--secondary-light);
            opacity: 0.9;
        }

        /* ===== Game Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: var(--spacing-lg);
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 168, 56, 0.25);
        }
        .game-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--border-light);
            transition: transform var(--transition);
        }
        .game-card:hover .card-img {
            transform: scale(1.02);
        }
        .game-card .card-body {
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 0.5rem;
        }
        .game-card .tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 100px;
            background: rgba(74, 108, 247, 0.08);
            color: var(--accent);
            letter-spacing: 0.02em;
        }
        .game-card .tag.gold {
            background: rgba(232, 168, 56, 0.12);
            color: var(--secondary-dark);
        }
        .game-card .tag.green {
            background: rgba(34, 197, 94, 0.1);
            color: #16a34a;
        }
        .game-card .tag.purple {
            background: rgba(139, 92, 246, 0.1);
            color: #7c3aed;
        }
        .game-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.3rem;
        }
        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }
        .game-card .card-meta .stars {
            color: var(--secondary);
            letter-spacing: 0.05em;
        }
        .game-card .card-meta .rating {
            font-weight: 600;
            color: var(--text);
        }
        .game-card .card-desc {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .game-card .card-footer .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            border-radius: 100px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 500;
            transition: all var(--transition);
            border: none;
        }
        .game-card .card-footer .btn-sm:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .game-card .card-footer .btn-sm.outline {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .game-card .card-footer .btn-sm.outline:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Guide / List ===== */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--spacing-lg);
        }
        .guide-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .guide-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 56, 0.2);
        }
        .guide-item .guide-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(232, 168, 56, 0.12);
            color: var(--secondary-dark);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .guide-item .guide-content h4 {
            font-size: 1.05rem;
            margin-bottom: 0.2rem;
        }
        .guide-item .guide-content p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .section-dark .guide-item {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .guide-item .guide-content h4 {
            color: var(--text-white);
        }
        .section-dark .guide-item .guide-content p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .guide-item .guide-num {
            background: rgba(232, 168, 56, 0.18);
            color: var(--secondary-light);
        }

        /* ===== Steps / Process ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            position: relative;
        }
        .step-card .step-number::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(232, 168, 56, 0.2);
        }
        .step-card h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        .step-card p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .section-dark .step-card {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .step-card h4 {
            color: var(--text-white);
        }
        .section-dark .step-card p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .step-card .step-number {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .section-dark .step-card .step-number::after {
            border-color: rgba(232, 168, 56, 0.4);
        }

        /* ===== Testimonials / Reviews ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--spacing-lg);
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .review-card .review-head {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }
        .review-card .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-light);
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: var(--text-white);
        }
        .review-card .review-name {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .review-card .review-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .review-card .review-stars {
            color: var(--secondary);
            font-size: 0.85rem;
            letter-spacing: 0.05em;
            margin-bottom: 0.4rem;
        }
        .review-card .review-text {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
            font-style: italic;
        }
        .review-card .review-text::before {
            content: '\201C';
            font-size: 1.4rem;
            color: var(--secondary);
            font-weight: 700;
            margin-right: 0.2rem;
        }
        .review-card .review-text::after {
            content: '\201D';
            font-size: 1.4rem;
            color: var(--secondary);
            font-weight: 700;
            margin-left: 0.2rem;
        }
        .section-dark .review-card {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .review-card .review-name {
            color: var(--text-white);
        }
        .section-dark .review-card .review-text {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-dark .review-card .review-date {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 168, 56, 0.2);
        }
        .faq-item .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text);
            transition: background var(--transition);
            gap: 1rem;
        }
        .faq-item .faq-question:hover {
            background: rgba(0, 0, 0, 0.02);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(232, 168, 56, 0.1);
            color: var(--secondary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .faq-item .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .faq-item .faq-question {
            color: var(--text-white);
        }
        .section-dark .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .section-dark .faq-item .faq-answer {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-dark .faq-item .faq-question .faq-icon {
            background: rgba(232, 168, 56, 0.15);
            color: var(--secondary-light);
        }
        .section-dark .faq-item.open .faq-question .faq-icon {
            background: var(--secondary);
            color: var(--primary-dark);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            filter: brightness(0.5);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
        }
        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 0.9rem 2.8rem;
            box-shadow: 0 8px 32px rgba(232, 168, 56, 0.3);
        }
        .cta-section .btn-primary:hover {
            box-shadow: 0 12px 40px rgba(232, 168, 56, 0.45);
        }
        .cta-section .cta-note {
            margin-top: 1rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .site-logo {
            margin-bottom: 0.75rem;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-col ul li a i {
            font-size: 0.85rem;
            width: 1.2rem;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.75rem;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: 1;
            }
        }

        /* ===== Additional Utilities ===== */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mt-xl {
            margin-top: var(--spacing-xl);
        }
        .gap-sm {
            gap: 0.5rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hidden {
            display: none !important;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .guide-list {
                grid-template-columns: 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
            z-index: 900;
        }
        .back-top.visible {
            opacity: 1;
            pointer-events: all;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        @media (max-width: 768px) {
            .back-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        /* ===== Smooth image loading ===== */
        .lazy-bg {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }