/* roulang page: index */
:root {
            --color-primary: #c9a04b;
            --color-primary-hover: #b08835;
            --color-primary-light: #fdf8f0;
            --color-dark: #0f0f1a;
            --color-dark-800: #151528;
            --color-dark-700: #1f1f36;
            --color-text: #1c1c1c;
            --color-text-muted: #6b7280;
            --color-text-light: #9ca3af;
            --color-bg: #fafaf9;
            --color-bg-alt: #f5f4f1;
            --color-white: #ffffff;
            --color-border: #e5e5e0;
            --color-border-light: #f0f0eb;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.09), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        ::-webkit-scrollbar-thumb {
            background: #c5c5c5;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #a0a0a0;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-normal);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
            height: 64px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #c9a04b 0%, #e0b860 50%, #b08835 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1a1a2e;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(201, 160, 75, 0.35);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #c5c5cf;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-list li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-list li a.nav-active {
            color: #ffffff;
            background: rgba(201, 160, 75, 0.18);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(201, 160, 75, 0.3);
        }
        .nav-list li a.nav-cta-btn {
            background: linear-gradient(135deg, #c9a04b 0%, #d4af5e 100%);
            color: #1a1a2e;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 8px;
            margin-left: 6px;
            box-shadow: 0 2px 8px rgba(201, 160, 75, 0.3);
        }
        .nav-list li a.nav-cta-btn:hover {
            background: linear-gradient(135deg, #d4af5e 0%, #c9a04b 100%);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(201, 160, 75, 0.45);
            transform: translateY(-1px);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--color-dark-900);
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
            filter: brightness(0.6) saturate(0.9);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.7) 0%, rgba(15, 15, 26, 0.85) 40%, rgba(15, 15, 26, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            width: 100%;
        }
        .hero-badge {
            display: inline-block;
            padding: 7px 20px;
            border-radius: 50px;
            background: rgba(201, 160, 75, 0.15);
            border: 1px solid rgba(201, 160, 75, 0.35);
            color: #e0c87a;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .hero-title .accent {
            color: #c9a04b;
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: #c5c5cf;
            margin-bottom: 12px;
            font-weight: 400;
            line-height: 1.6;
        }
        .hero-desc {
            font-size: 1rem;
            color: #9e9eae;
            max-width: 650px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, #c9a04b 0%, #d4af5e 100%);
            color: #1a1a2e;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(201, 160, 75, 0.35);
            letter-spacing: 0.03em;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(201, 160, 75, 0.5);
            background: linear-gradient(135deg, #d4af5e 0%, #c9a04b 100%);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-normal);
            letter-spacing: 0.03em;
        }
        .btn-outline:hover {
            border-color: #c9a04b;
            color: #c9a04b;
            background: rgba(201, 160, 75, 0.06);
            transform: translateY(-3px);
        }

        /* Section Common */
        .section-padding {
            padding: 80px 24px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #c9a04b;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 700;
            color: #1c1c1c;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            font-size: 1rem;
            color: #6b7280;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Stats Section */
        .stats-section {
            background: var(--color-dark-900);
            padding: 60px 24px;
            position: relative;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(201, 160, 75, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #c9a04b;
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .stat-label {
            font-size: 0.95rem;
            color: #c5c5cf;
            font-weight: 500;
        }
        .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: #e0c87a;
        }

        /* Card Grid */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: #e0d5c0;
        }
        .feature-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #fdf8f0 0%, #f9edd9 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: #c9a04b;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #1c1c1c;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.6;
        }

        /* Brand Story */
        .brand-story-section {
            background: #ffffff;
        }
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image-wrap {
            position: relative;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .story-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            border-radius: var(--radius-2xl);
        }
        .story-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1c1c1c;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .story-text p {
            font-size: 0.98rem;
            color: #4b5563;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        /* Service Cards */
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .service-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .service-card-body {
            padding: 20px;
        }
        .service-card-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #1c1c1c;
            margin-bottom: 6px;
        }
        .service-card-body p {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.6;
        }
        .service-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: #fdf8f0;
            color: #c9a04b;
            margin-bottom: 10px;
        }

        /* Partners */
        .partners-section {
            background: var(--color-bg-alt);
        }
        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 32px 40px;
        }
        .partner-item {
            padding: 16px 24px;
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            font-weight: 600;
            color: #4b5563;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 120px;
            border: 1px solid var(--color-border-light);
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: #c9a04b;
            border-color: #e0d5c0;
            transform: translateY(-2px);
        }

        /* Testimonials */
        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-stars {
            color: #f0c040;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .testimonial-text {
            font-size: 0.93rem;
            color: #4b5563;
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            color: #1c1c1c;
            font-size: 0.9rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: #9ca3af;
        }

        /* FAQ */
        .faq-section {
            background: #ffffff;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            background: #fafaf9;
        }
        .faq-item:hover {
            border-color: #e0d5c0;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: #1c1c1c;
            background: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: #c9a04b;
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-normal);
            color: #9ca3af;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: #c9a04b;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: #4b5563;
            line-height: 1.75;
        }

        /* News Section */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .news-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #e0d5c0;
        }
        .news-date {
            font-size: 0.8rem;
            color: #9ca3af;
            font-weight: 500;
        }
        .news-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #1c1c1c;
            line-height: 1.5;
        }
        .news-card p {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.6;
        }
        .news-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: #c9a04b;
            align-self: flex-start;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-readmore:hover {
            color: #b08835;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-dark-900);
            padding: 80px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 160, 75, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: #c5c5cf;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark-800);
            color: #c5c5cf;
            padding: 48px 24px 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1200px;
            margin: 0 auto 36px;
        }
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #9e9eae;
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #9e9eae;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #c9a04b;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.82rem;
            color: #76768d;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 2px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .nav-list li a.nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-padding {
                padding: 52px 16px;
            }
            .partner-logos {
                gap: 16px;
            }
            .partner-item {
                min-width: 100px;
                padding: 12px 16px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .faq-question {
                font-size: 0.93rem;
                padding: 14px 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #7c3aed;
            --color-brand-light: #a78bfa;
            --color-brand-dark: #5b21b6;
            --color-accent: #f43f5e;
            --color-accent-light: #fb7185;
            --color-bg: #0f0f1a;
            --color-surface: #1a1a2e;
            --color-surface-elevated: #222240;
            --color-text: #f1f1f5;
            --color-text-muted: #b0b0c0;
            --color-text-weak: #7a7a90;
            --color-border: #2e2e4a;
            --color-border-light: #3d3d5c;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-brand-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base);
            height: 68px;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            transition: opacity var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-list li a {
            display: block;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-list li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-list li a.nav-active {
            color: #fff;
            background: rgba(124, 58, 237, 0.25);
            font-weight: 600;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 100px !important;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--color-brand-light), var(--color-brand)) !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-list {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                bottom: 0;
                flex-direction: column;
                background: rgba(15, 15, 26, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 24px 20px;
                gap: 4px;
                align-items: stretch;
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                padding: 14px 20px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                margin-top: 8px;
                padding: 14px 20px !important;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1.15rem;
                gap: 8px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .site-header {
                height: 58px;
            }
            .nav-list {
                top: 58px;
            }
        }

        /* ========== Page Hero / Banner ========== */
        .page-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            margin-top: 68px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.75) 0%, rgba(15, 15, 26, 0.65) 40%, rgba(15, 15, 26, 0.9) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
            z-index: 2;
        }

        .page-hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
            padding: 40px 24px;
        }

        .page-hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(124, 58, 237, 0.3);
            color: #c4b5fd;
            border: 1px solid rgba(167, 139, 250, 0.3);
            margin-bottom: 18px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(135deg, #c4b5fd, #a78bfa, #7c3aed);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero-desc {
            font-size: 1.1rem;
            color: #d0d0e0;
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat-item {
            text-align: center;
            min-width: 100px;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 360px;
                margin-top: 68px;
            }
            .page-hero-content {
                padding: 30px 20px;
            }
            .page-hero-desc {
                font-size: 0.95rem;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 320px;
                margin-top: 58px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero-desc {
                font-size: 0.88rem;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
        }

        /* ========== Section Layout ========== */
        .section {
            padding: 70px 24px;
        }

        .section-dark {
            background: var(--color-surface);
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: 0.02em;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(124, 58, 237, 0.2);
            color: #a78bfa;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 18px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 14px;
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

        /* ========== Cards ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 24px;
        }

        .card {
            background: var(--color-surface-elevated);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .card-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-surface);
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .card-badge-hot {
            background: var(--color-accent);
            color: #fff;
        }

        .card-badge-new {
            background: #10b981;
            color: #fff;
        }

        .card-badge-recommend {
            background: var(--color-brand);
            color: #fff;
        }

        .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0 0 14px;
            line-height: 1.6;
            flex: 1;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            align-items: center;
        }

        .card-meta i {
            margin-right: 4px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #a78bfa;
            transition: color var(--transition-fast);
            margin-top: auto;
            padding-top: 10px;
        }

        .card-link:hover {
            color: #c4b5fd;
        }

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

        .card-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ========== Feature List ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 28px;
        }

        .feature-card {
            background: var(--color-surface-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            transition: all var(--transition-base);
            text-align: center;
        }

        .feature-card:hover {
            border-color: rgba(124, 58, 237, 0.5);
            box-shadow: 0 8px 28px rgba(124, 58, 237, 0.15);
            transform: translateY(-3px);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(91, 33, 182, 0.2));
            color: #a78bfa;
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.65;
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 22px 18px;
            }
        }

        /* ========== Data Stats Block ========== */
        .stats-block {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 0 0 auto;
            min-width: 140px;
            padding: 20px 16px;
            background: var(--color-surface-elevated);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--shadow-md);
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            background: linear-gradient(135deg, #c4b5fd, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .stat-item {
                min-width: 110px;
                padding: 16px 12px;
            }
            .stat-value {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .stats-block {
                gap: 12px;
            }
            .stat-item {
                min-width: 80px;
                flex: 1 1 40%;
                padding: 14px 10px;
            }
            .stat-value {
                font-size: 1.4rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
        }

        /* ========== Activity List ========== */
        .activity-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .activity-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-surface-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            transition: all var(--transition-fast);
        }

        .activity-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
            background: var(--color-surface);
        }

        .activity-thumb {
            width: 100px;
            height: 64px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-surface);
        }

        .activity-info {
            flex: 1;
            min-width: 0;
        }

        .activity-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.3;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .activity-info p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .activity-tag {
            flex-shrink: 0;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.2);
            color: #a78bfa;
        }

        @media (max-width: 768px) {
            .activity-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .activity-thumb {
                width: 80px;
                height: 52px;
            }
        }

        @media (max-width: 520px) {
            .activity-thumb {
                width: 64px;
                height: 44px;
            }
            .activity-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
        }

        /* ========== CTA Section ========== */
        .cta-section {
            position: relative;
            background: var(--color-surface);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            border: 1px solid var(--color-border);
            padding: 50px 40px;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.18) 0%, transparent 65%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section-inner {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 550px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            box-shadow: 0 6px 22px rgba(124, 58, 237, 0.4);
        }

        .btn-primary:hover {
            box-shadow: 0 10px 30px rgba(124, 58, 237, 0.55);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--color-brand-light), var(--color-brand));
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid var(--color-border-light);
        }

        .btn-outline:hover {
            border-color: #a78bfa;
            background: rgba(255, 255, 255, 0.04);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 100px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-xl);
            }
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 28px 16px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

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

        .faq-item {
            background: var(--color-surface-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.01em;
            transition: background var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            color: #a78bfa;
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.82rem;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 50px 24px 24px;
            color: var(--color-text-muted);
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--color-text-weak);
            margin: 0;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #c4b5fd;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            text-align: center;
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 16px 20px;
            }
            .footer-bottom {
                margin-top: 20px;
                padding-top: 14px;
            }
        }

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

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

        /* ========== Utility ========== */
        .text-gradient {
            background: linear-gradient(135deg, #c4b5fd, #a78bfa, #7c3aed);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .glow-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10b981;
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
            margin-right: 6px;
        }

/* roulang page: category2 */
:root {
            --brand-500: #5a3af0;
            --brand-600: #4a28d8;
            --brand-700: #3a1eb0;
            --accent-500: #ff6b10;
            --accent-400: #ff8c38;
            --surface-50: #faf9fc;
            --surface-100: #f3f1f8;
            --surface-200: #e8e5f0;
            --dark-700: #1e1e2e;
            --dark-800: #141420;
            --dark-900: #0c0c16;
            --text-primary: #1e1e2e;
            --text-secondary: #52526e;
            --text-muted: #7a7a93;
            --border-light: #e8e5f0;
            --border-soft: #d5d0e4;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 4px 24px 0 rgba(30, 16, 96, 0.09);
            --shadow-card-hover: 0 12px 36px 0 rgba(30, 16, 96, 0.16);
            --shadow-soft: 0 2px 16px 0 rgba(30, 16, 96, 0.07);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: #ffffff;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        button {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 1024px) {
            .container-custom {
                max-width: 100%;
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(232, 229, 240, 0.7);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px 0 rgba(30, 16, 96, 0.1);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-600);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-base);
        }

        .logo-link:hover {
            color: var(--brand-700);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #5a3af0 0%, #7c5cfc 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(90, 58, 240, 0.3);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.3rem;
        }

        .nav-list li a {
            display: block;
            padding: 0.55rem 1rem;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 0.5rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--brand-600);
            background: rgba(90, 58, 240, 0.05);
        }

        .nav-list li a.nav-active {
            color: var(--brand-600);
            font-weight: 600;
            background: rgba(90, 58, 240, 0.07);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, #5a3af0 0%, #4a28d8 100%) !important;
            color: #ffffff !important;
            font-weight: 600 !important;
            padding: 0.6rem 1.35rem !important;
            border-radius: 2rem !important;
            box-shadow: 0 3px 14px rgba(90, 58, 240, 0.3);
            transition: all var(--transition-smooth) !important;
            margin-left: 0.3rem;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #4a28d8 0%, #3a1eb0 100%) !important;
            box-shadow: 0 6px 22px rgba(90, 58, 240, 0.4) !important;
            transform: translateY(-1px);
            color: #ffffff !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 0.4rem;
            border-radius: 0.5rem;
            transition: background var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(90, 58, 240, 0.06);
        }

        @media (max-width: 1024px) {
            .nav-list li a {
                padding: 0.45rem 0.7rem;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 0.5rem 1rem !important;
                font-size: 0.85rem !important;
            }
            .logo-link {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                padding: 0 1rem;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 1rem 1rem 1.5rem;
                gap: 0.2rem;
                border-bottom: 2px solid var(--border-light);
                box-shadow: 0 12px 32px rgba(30, 16, 96, 0.12);
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list li a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
                border-radius: 0.6rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                margin-top: 0.3rem;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 52px;
                padding: 0 0.75rem;
            }
            .nav-list {
                top: 52px;
            }
            .logo-link {
                font-size: 1.05rem;
                gap: 0.4rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
                border-radius: 7px;
            }
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #1e1060 0%, #2c1688 30%, #1e1e2e 100%);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 10, 58, 0.55) 0%, rgba(30, 16, 96, 0.75) 60%, rgba(14, 12, 22, 0.9) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 3.5rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: #ffffff;
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #ffb570;
            font-weight: 500;
        }

        .page-hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin: 0 0 1rem;
        }
        .page-hero-title .highlight {
            background: linear-gradient(135deg, #ffb570 0%, #ff8c38 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.75;
            margin: 0 0 1.5rem;
        }
        .hero-meta-row {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .hero-stat-badge {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .hero-stat-badge i {
            color: #ffb570;
            font-size: 0.85rem;
        }
        .hero-stat-badge strong {
            color: #ffffff;
            font-size: 1.15rem;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 340px;
            }
            .page-hero-title {
                font-size: 1.8rem;
            }
            .page-hero-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .page-hero-content {
                padding: 2.5rem 0;
            }
            .hero-meta-row {
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero {
                min-height: 300px;
            }
            .page-hero-title {
                font-size: 1.45rem;
            }
            .page-hero-desc {
                font-size: 0.875rem;
            }
            .hero-stat-badge {
                font-size: 0.8rem;
            }
            .hero-stat-badge strong {
                font-size: 1rem;
            }
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: 4.5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-600);
            background: rgba(90, 58, 240, 0.07);
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin: 0 0 0.6rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-sm {
                padding: 2rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 2rem;
            }
        }

        /* ========== GUIDE SUB-CATEGORY CARDS ========== */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .subcat-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.25rem;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .subcat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #5a3af0, #7c5cfc);
            opacity: 0;
            transition: opacity var(--transition-smooth);
            border-radius: 0 0 4px 4px;
        }
        .subcat-card:hover {
            border-color: #c4c4ff;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .subcat-card:hover::before {
            opacity: 1;
        }
        .subcat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, rgba(90, 58, 240, 0.08) 0%, rgba(124, 92, 252, 0.12) 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--brand-600);
            margin-bottom: 0.9rem;
            transition: all var(--transition-smooth);
        }
        .subcat-card:hover .subcat-icon {
            background: linear-gradient(135deg, #5a3af0 0%, #7c5cfc 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(90, 58, 240, 0.3);
        }
        .subcat-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 0.35rem;
        }
        .subcat-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .subcat-count {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-500);
            background: rgba(255, 107, 16, 0.08);
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            margin-top: 0.6rem;
        }

        @media (max-width: 1024px) {
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .subcat-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            .subcat-card {
                padding: 1.25rem 1rem;
            }
        }

        /* ========== GUIDE ARTICLE CARDS ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .guide-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #d5d0e4;
        }
        .guide-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        .guide-card:hover .guide-card-img img {
            transform: scale(1.06);
        }
        .guide-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.3rem 0.7rem;
            border-radius: 0.4rem;
            z-index: 2;
            letter-spacing: 0.03em;
        }
        .badge-hot {
            background: #ff3b3b;
            color: #fff;
        }
        .badge-new {
            background: #5a3af0;
            color: #fff;
        }
        .badge-recommend {
            background: #ff8c38;
            color: #fff;
        }
        .guide-card-body {
            padding: 1.25rem 1.2rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-600);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.4rem;
        }
        .guide-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0 0 1rem;
            flex: 1;
        }
        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 0.85rem;
            margin-top: auto;
        }
        .guide-card-footer .author {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .guide-card-footer .stats {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .guide-card-footer .stats span {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        /* ========== FEATURED GUIDE ========== */
        .featured-guide {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-smooth);
        }
        .featured-guide:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .featured-guide-img {
            position: relative;
            min-height: 320px;
        }
        .featured-guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .featured-guide-body {
            padding: 2.5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-guide-body .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: #fff;
            background: linear-gradient(135deg, #5a3af0, #7c5cfc);
            padding: 0.3rem 0.8rem;
            border-radius: 0.4rem;
            margin-bottom: 0.75rem;
            width: fit-content;
        }
        .featured-guide-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.6rem;
            line-height: 1.35;
        }
        .featured-guide-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 1.25rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #5a3af0 0%, #4a28d8 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 3px 14px rgba(90, 58, 240, 0.3);
            width: fit-content;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #4a28d8 0%, #3a1eb0 100%);
            box-shadow: 0 6px 22px rgba(90, 58, 240, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--brand-600);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.65rem 1.4rem;
            border-radius: 2rem;
            border: 2px solid var(--brand-600);
            cursor: pointer;
            transition: all var(--transition-smooth);
            width: fit-content;
        }
        .btn-outline:hover {
            background: var(--brand-600);
            color: #fff;
            box-shadow: 0 4px 16px rgba(90, 58, 240, 0.25);
        }

        @media (max-width: 768px) {
            .featured-guide {
                grid-template-columns: 1fr;
            }
            .featured-guide-img {
                min-height: 220px;
                aspect-ratio: 16 / 9;
            }
            .featured-guide-body {
                padding: 1.75rem 1.25rem;
            }
            .featured-guide-body h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-block {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-block:hover {
            border-color: #c4c4ff;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-600);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 0.3rem;
        }
        .stat-number .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-block {
                padding: 1.25rem 0.75rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== VIDEO GUIDE SECTION ========== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .video-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .video-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d5d0e4;
        }
        .video-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            cursor: pointer;
        }
        .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .video-card:hover .video-thumb img {
            transform: scale(1.05);
        }
        .video-play-btn {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.35);
            transition: background var(--transition-smooth);
        }
        .video-play-btn i {
            font-size: 2.6rem;
            color: #fff;
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
            transition: transform var(--transition-smooth);
        }
        .video-card:hover .video-play-btn {
            background: rgba(0, 0, 0, 0.25);
        }
        .video-card:hover .video-play-btn i {
            transform: scale(1.15);
        }
        .video-body {
            padding: 1rem 1.15rem 1.25rem;
        }
        .video-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 0.35rem;
            line-height: 1.4;
        }
        .video-body .video-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        @media (max-width: 1024px) {
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .video-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: #d5d0e4;
            box-shadow: var(--shadow-soft);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.15rem 1.4rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-base);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--brand-600);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(90, 58, 240, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--brand-600);
            transition: all var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            background: var(--brand-600);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.15rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            background: linear-gradient(160deg, #1e1060 0%, #2c1688 50%, #1e1e2e 100%);
            border-radius: var(--radius-2xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section-alt>* {
            position: relative;
            z-index: 1;
        }
        .cta-section-alt h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
        }
        .cta-section-alt p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 550px;
            margin: 0 auto 1.75rem;
            line-height: 1.7;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #ff8c38 0%, #ff6b10 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.8rem 2rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(255, 107, 16, 0.35);
        }
        .btn-accent:hover {
            background: linear-gradient(135deg, #ff6b10 0%, #e85500 100%);
            box-shadow: 0 8px 28px rgba(255, 107, 16, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 768px) {
            .cta-section-alt {
                padding: 2.5rem 1.25rem;
                border-radius: var(--radius-xl);
            }
            .cta-section-alt h3 {
                font-size: 1.4rem;
            }
            .cta-section-alt p {
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--dark-800);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 0;
            margin-top: 2rem;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.9rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #ffb570;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 2.5rem auto 0;
            padding: 1.25rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
                padding: 0 1rem;
            }
            .footer-bottom {
                padding: 1rem 1rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #C8963E;
            --color-primary-light: #E0B860;
            --color-primary-dark: #9A6F2A;
            --color-accent: #D4A843;
            --color-bg-dark: #0A0A14;
            --color-bg-card: #141428;
            --color-bg-card-hover: #1A1A34;
            --color-bg-nav: #0D0D1C;
            --color-text: #EAEAEF;
            --color-text-soft: #B0B0C0;
            --color-text-muted: #7A7A90;
            --color-border: #2A2A42;
            --color-border-light: #3A3A55;
            --color-success: #4ADE80;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.25);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1260px;
            --header-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 13, 28, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(200, 150, 62, 0.18);
            height: var(--header-height);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(10, 10, 20, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(200, 150, 62, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-white);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
            z-index: 1001;
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            color: #fff;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.35);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            display: block;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-list li a.nav-active {
            color: var(--color-primary-light);
            background: rgba(200, 150, 62, 0.1);
            font-weight: 600;
        }
        .nav-list li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            border-radius: 99px;
            background: var(--color-primary);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth) !important;
            letter-spacing: 0.3px;
            margin-left: 8px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(200, 150, 62, 0.4) !important;
            background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%) !important;
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--color-white);
            z-index: 1001;
            padding: 6px;
            border-radius: 6px;
        }

        /* Section Common */
        .section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2.5px;
            text-transform: uppercase;
            color: var(--color-primary-light);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin: 0 auto 48px;
            max-width: 640px;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }

        /* Hero */
        .hero-vip {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding-top: var(--header-height);
            overflow: hidden;
            background: linear-gradient(160deg, #0A0A18 0%, #111128 40%, #0D0D1C 100%);
        }
        .hero-vip-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            filter: brightness(0.6) saturate(1.3);
        }
        .hero-vip-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 60% 40%, rgba(200, 150, 62, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(10, 10, 24, 0.7) 0%, transparent 50%),
                linear-gradient(180deg, rgba(10, 10, 20, 0.5) 0%, rgba(10, 10, 20, 0.85) 100%);
        }
        .hero-vip-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-vip-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 150, 62, 0.15);
            border: 1px solid rgba(200, 150, 62, 0.3);
            padding: 7px 18px;
            border-radius: 99px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary-light);
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .hero-vip-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-white);
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.5px;
        }
        .hero-vip-content h1 .gold-text {
            background: linear-gradient(135deg, #E8C97A 0%, #C8963E 40%, #A67B2E 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-vip-content .hero-desc {
            font-size: 1.08rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin: 0 0 28px;
            max-width: 560px;
        }
        .hero-vip-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .hero-vip-stats .stat-item {
            text-align: center;
        }
        .hero-vip-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary-light);
            line-height: 1;
        }
        .hero-vip-stats .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .tier-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
        }
        .tier-card.featured {
            border-color: rgba(200, 150, 62, 0.5);
            box-shadow: var(--shadow-gold);
            background: linear-gradient(180deg, rgba(200, 150, 62, 0.08) 0%, var(--color-bg-card) 40%);
        }
        .tier-card .tier-icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }
        .tier-bronze .tier-icon-wrap {
            background: linear-gradient(135deg, #B87D5C, #8B5E3C);
        }
        .tier-silver .tier-icon-wrap {
            background: linear-gradient(135deg, #B0B8C8, #7A8494);
        }
        .tier-gold .tier-icon-wrap {
            background: linear-gradient(135deg, #E0B860, #B8862D);
        }
        .tier-diamond .tier-icon-wrap {
            background: linear-gradient(135deg, #7EB8E0, #4A90C4);
        }
        .tier-stellar .tier-icon-wrap {
            background: linear-gradient(135deg, #C080E8, #8B3FC0);
        }
        .tier-card .tier-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-white);
            margin-bottom: 6px;
        }
        .tier-card .tier-threshold {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }
        .tier-card .tier-benefits {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.8;
        }
        .tier-card .tier-benefits span {
            display: block;
        }
        .tier-card .tier-badge-top {
            position: absolute;
            top: 14px;
            right: 14px;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 99px;
            letter-spacing: 0.5px;
            color: #fff;
        }
        .badge-hot {
            background: #E85D3A;
        }
        .badge-popular {
            background: #C8963E;
        }

        /* Benefits */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .benefit-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }
        .benefit-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            background: var(--color-bg-card-hover);
        }
        .benefit-card .benefit-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(200, 150, 62, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary-light);
        }
        .benefit-card .benefit-info h4 {
            margin: 0 0 6px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-white);
        }
        .benefit-card .benefit-info p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* Points System */
        .points-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .points-visual {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 40px;
            text-align: center;
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }
        .points-visual .big-num {
            font-size: 4.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, #E8C97A, #C8963E);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            letter-spacing: 2px;
        }
        .points-visual .points-unit {
            font-size: 1.2rem;
            color: var(--color-primary-light);
            font-weight: 600;
            letter-spacing: 1px;
        }
        .points-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .points-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .points-item:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
        }
        .points-item .points-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }
        .points-item span {
            font-size: 0.95rem;
            color: var(--color-text);
        }

        /* Events */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .event-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
        }
        .event-card .event-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .event-card .event-body {
            padding: 20px;
        }
        .event-card .event-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 99px;
            background: rgba(200, 150, 62, 0.15);
            color: var(--color-primary-light);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .event-card .event-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-white);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .event-card .event-desc {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .testimonial-stars {
            color: #E8B830;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 14px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-white);
        }
        .testimonial-card .testimonial-tier {
            font-size: 0.75rem;
            color: var(--color-primary-light);
            margin-top: 2px;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-arrow {
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
            color: var(--color-primary-light);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section-vip {
            background: linear-gradient(160deg, #111128 0%, #0D0D1C 100%);
            border: 1px solid rgba(200, 150, 62, 0.2);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-vip::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(200, 150, 62, 0.08) 0%, transparent 65%);
            z-index: 0;
        }
        .cta-section-vip>* {
            position: relative;
            z-index: 1;
        }
        .cta-section-vip h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 10px;
        }
        .cta-section-vip p {
            font-size: 1rem;
            color: var(--color-text-soft);
            margin: 0 0 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 99px;
            letter-spacing: 0.5px;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(200, 150, 62, 0.45);
            background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
        }
        .btn-outline {
            display: inline-block;
            border: 2px solid var(--color-primary);
            color: var(--color-primary-light);
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 34px;
            border-radius: 99px;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(200, 150, 62, 0.1);
            border-color: var(--color-primary-light);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #080812;
            border-top: 1px solid var(--color-border);
            padding: 56px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 340px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid var(--color-border);
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .tier-card:nth-child(4),
            .tier-card:nth-child(5) {
                grid-column: span 1;
            }
            .benefits-grid {
                grid-template-columns: 1fr 1fr;
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .points-showcase {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-vip-content h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -280px;
                width: 270px;
                height: 100vh;
                flex-direction: column;
                background: rgba(14, 14, 28, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 90px 20px 30px;
                gap: 4px;
                transition: right var(--transition-smooth);
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.6);
                z-index: 1000;
                border-left: 1px solid var(--color-border);
            }
            .nav-list.open {
                right: 0;
            }
            .nav-list li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                display: block !important;
                border-radius: 10px !important;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-vip-content h1 {
                font-size: 1.7rem;
            }
            .hero-vip-stats {
                gap: 20px;
            }
            .hero-vip-stats .stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section-vip {
                padding: 36px 20px;
            }
            .cta-section-vip h3 {
                font-size: 1.35rem;
            }
            .hero-vip {
                min-height: 400px;
            }
        }

        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-vip-stats {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .hero-vip-stats .stat-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }
            .hero-vip-content h1 {
                font-size: 1.4rem;
            }
            .hero-vip-content .hero-desc {
                font-size: 0.9rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
            .event-card .event-img {
                height: 140px;
            }
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 999;
        }
        .mobile-menu-overlay.active {
            display: block;
        }

/* roulang page: category1 */
:root {
            --color-brand-700: #3b3fc4;
            --color-brand-800: #2d3199;
            --color-brand-900: #1a1f5c;
            --color-brand-950: #0f1333;
            --color-accent-500: #f5a623;
            --color-accent-600: #e8950f;
            --color-surface: #f8f9fb;
            --color-card: #ffffff;
            --color-muted: #6b7280;
            --color-border: #e5e7eb;
            --color-text: #1f2937;
            --color-text-weak: #6b7280;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --radius-3xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 32px rgba(0, 0, 0, 0.06);
            --transition-base: 0.22s ease;
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #1f2937;
            background-color: #f8f9fb;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #1a1f5c;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: opacity var(--transition-base);
        }
        .logo-link:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #5c6cf0, #3b3fc4);
            color: #fff;
            font-size: 1.05rem;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-list>li>a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: #4b5563;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-list>li>a:hover {
            color: #3b3fc4;
            background: rgba(92, 108, 240, 0.06);
        }
        .nav-list>li>a.nav-active {
            color: #3b3fc4;
            background: rgba(92, 108, 240, 0.08);
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-block !important;
            padding: 9px 22px !important;
            border-radius: 24px !important;
            background: linear-gradient(135deg, #f5a623, #e8950f) !important;
            color: #fff !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            letter-spacing: 0.01em;
            box-shadow: 0 2px 8px rgba(245, 166, 35, 0.3);
            transition: all var(--transition-base) !important;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.4) !important;
            background: linear-gradient(135deg, #ffb84d, #f5a623) !important;
            color: #fff !important;
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 1.3rem;
            color: #374151;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* ===== HERO ===== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f1333 0%, #1a1f5c 40%, #2d3199 100%);
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            mix-blend-mode: overlay;
        }
        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 19, 51, 0.55) 0%, rgba(26, 31, 92, 0.7) 60%, rgba(15, 19, 51, 0.85) 100%);
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }
        .page-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.13);
            color: #ffb84d;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .page-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            background: linear-gradient(135deg, #f5a623, #e8950f);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 18px rgba(245, 166, 35, 0.35);
            transition: all var(--transition-base);
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(245, 166, 35, 0.45);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
            color: #fff;
            font-weight: 500;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            backdrop-filter: blur(6px);
        }
        .btn-hero-outline:hover {
            border-color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== SECTIONS ===== */
        .section-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 64px 24px;
            width: 100%;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1f2937;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: #6b7280;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(92, 108, 240, 0.07);
            color: #5c6cf0;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }

        /* ===== CARDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-event {
            background: #fff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid rgba(229, 231, 235, 0.5);
        }
        .card-event:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(92, 108, 240, 0.18);
        }
        .card-event-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-event-body {
            padding: 20px 22px 24px;
        }
        .card-event-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .tag-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .tag-upcoming {
            background: #eff6ff;
            color: #2563eb;
        }
        .tag-ongoing {
            background: #f0fdf4;
            color: #16a34a;
        }
        .card-event h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .card-event p {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-event-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: #9ca3af;
            margin-bottom: 14px;
        }
        .card-event-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            background: rgba(92, 108, 240, 0.06);
            color: #5c6cf0;
        }
        .btn-card:hover {
            background: rgba(92, 108, 240, 0.14);
            color: #3b3fc4;
        }

        /* ===== STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 231, 235, 0.5);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #3b3fc4;
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #6b7280;
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== FEATURED LIST ===== */
        .featured-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .featured-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 231, 235, 0.5);
            transition: all var(--transition-base);
            align-items: center;
        }
        .featured-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(92, 108, 240, 0.15);
        }
        .featured-item-img {
            width: 120px;
            height: 80px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .featured-item-body {
            flex: 1;
            min-width: 0;
        }
        .featured-item-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 4px;
        }
        .featured-item-body p {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.5;
        }
        .featured-item-arrow {
            flex-shrink: 0;
            color: #9ca3af;
            font-size: 1.1rem;
            transition: all var(--transition-base);
        }
        .featured-item:hover .featured-item-arrow {
            color: #5c6cf0;
            transform: translateX(4px);
        }

        /* ===== ADVANTAGES ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 231, 235, 0.5);
            transition: all var(--transition-base);
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .advantage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(92, 108, 240, 0.1), rgba(59, 63, 196, 0.08));
            color: #5c6cf0;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .advantage-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid rgba(229, 231, 235, 0.6);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
        }
        .faq-item:hover {
            border-color: rgba(92, 108, 240, 0.2);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: #1f2937;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
            gap: 12px;
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: #3b3fc4;
        }
        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: #9ca3af;
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: #5c6cf0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: #4b5563;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section-alt {
            background: linear-gradient(160deg, #1a1f5c 0%, #2d3199 50%, #3b3fc4 100%);
            border-radius: var(--radius-3xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section-alt>* {
            position: relative;
            z-index: 1;
        }
        .cta-section-alt h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 30px;
            background: linear-gradient(135deg, #f5a623, #e8950f);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: 0 6px 22px rgba(245, 166, 35, 0.4);
            transition: all var(--transition-base);
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(245, 166, 35, 0.5);
        }

        /* ===== NEWS ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 231, 235, 0.5);
            transition: all var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(92, 108, 240, 0.15);
        }
        .news-date {
            flex-shrink: 0;
            text-align: center;
            min-width: 52px;
            background: rgba(92, 108, 240, 0.06);
            border-radius: 10px;
            padding: 8px 6px;
            font-weight: 700;
            color: #5c6cf0;
            font-size: 0.85rem;
            line-height: 1.25;
        }
        .news-date span {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
        }
        .news-body h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 4px;
        }
        .news-body p {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.55;
            margin-bottom: 6px;
        }
        .news-body .btn-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: #5c6cf0;
            transition: color var(--transition-base);
        }
        .news-body .btn-read-more:hover {
            color: #3b3fc4;
            text-decoration: underline;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0f1333;
            color: #c9c9d9;
            padding: 56px 24px 28px;
            margin-top: 0;
        }
        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #9e9eae;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e0e0ea;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #9e9eae;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #ffb84d;
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a7a8c;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1/-1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero h1 {
                font-size: 2.3rem;
            }
            .section-container {
                padding: 48px 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e5e7eb;
                padding: 12px 20px 20px;
                gap: 4px;
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list>li>a {
                display: block;
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 6px;
            }
            .page-hero {
                min-height: 340px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero-desc {
                font-size: 0.95rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .featured-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .featured-item-img {
                width: 100%;
                height: 140px;
                border-radius: 12px;
            }
            .cta-section-alt {
                padding: 36px 24px;
                border-radius: var(--radius-2xl);
            }
            .cta-section-alt h2 {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .section-container {
                padding: 40px 16px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-date {
                align-self: flex-start;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
                height: 56px;
            }
            .logo-link {
                font-size: 1.1rem;
                gap: 7px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .page-hero {
                min-height: 280px;
            }
            .page-hero-content {
                padding: 40px 16px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero-desc {
                font-size: 0.88rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .card-event-img {
                height: 160px;
            }
            .section-container {
                padding: 32px 14px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .cta-section-alt {
                padding: 28px 18px;
                border-radius: 1rem;
            }
            .cta-section-alt h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 40px 14px 20px;
            }
        }