/* roulang page: index */
:root {
            --primary: #7C3AED;
            --primary-light: #8B5CF6;
            --primary-dark: #6D28D9;
            --secondary: #F97316;
            --secondary-light: #FB923C;
            --secondary-dark: #EA580C;
            --bg-dark: #0B0F19;
            --bg-light: #F8FAFC;
            --text-dark: #1E293B;
            --text-light: #F8FAFC;
            --text-muted: #CBD5E1;
            --text-muted-dark: #64748B;
            --success: #10B981;
            --danger: #EF4444;
            --border-primary: rgba(124, 58, 237, 0.2);
            --border-light: rgba(255, 255, 255, 0.1);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(124, 58, 237, 0.1);
            --shadow-glow: 0 0 20px rgba(124, 58, 237, 0.4);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Glass Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            transition: var(--transition);
            padding: 0.75rem 0;
        }

        .header.scrolled {
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--text-light);
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: white;
            flex-shrink: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 0.25rem 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
            border-radius: 1px;
        }

        .nav-links a:hover {
            color: var(--text-light);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--text-light);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(124, 58, 237, 0.6);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: transparent;
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 500;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: var(--primary);
            color: var(--text-light);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.5rem;
            background: var(--secondary);
            color: white;
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(249, 115, 22, 0.4);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
        }

        .hamburger span {
            width: 28px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 360px;
            height: 100vh;
            background: rgba(11, 15, 25, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 2000;
            padding: 2rem;
            transition: right 0.4s ease;
            display: flex;
            flex-direction: column;
            border-left: 1px solid var(--border-light);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .close-btn {
            align-self: flex-end;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-drawer .nav-links-mobile {
            list-style: none;
            margin-top: 2rem;
            flex: 1;
        }

        .mobile-drawer .nav-links-mobile li {
            margin-bottom: 1.5rem;
        }

        .mobile-drawer .nav-links-mobile a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 1.25rem;
            font-weight: 500;
            transition: var(--transition);
            display: block;
            padding: 0.5rem 0;
        }

        .mobile-drawer .nav-links-mobile a.active,
        .mobile-drawer .nav-links-mobile a:hover {
            color: var(--text-light);
        }

        .mobile-drawer .drawer-cta {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0B0F19 0%, rgba(124, 58, 237, 0.25) 50%, #0B0F19 100%),
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            padding: 6rem 0 4rem;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(249, 115, 22, 0.06) 0%, transparent 60%);
            animation: heroGlow 15s ease-in-out infinite alternate;
            pointer-events: none;
        }

        @keyframes heroGlow {
            0% { transform: translate(0, 0) rotate(0deg); }
            100% { transform: translate(2%, 2%) rotate(3deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 1.5rem;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #F8FAFC 0%, var(--primary-light) 40%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.3rem);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .hero .btn-primary {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        .hero .btn-outline {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 3.5rem;
            flex-wrap: wrap;
        }

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

        .hero-stat .number {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-stat .label {
            font-size: 0.875rem;
            color: var(--text-muted-dark);
            margin-top: 0.25rem;
        }

        /* Section Common */
        .section {
            padding: 5rem 0;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-header h2 {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }

        .section-header p {
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-muted-dark);
        }

        .section-dark .section-header p {
            color: var(--text-muted);
        }

        /* Brand Story */
        .brand-story {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .brand-story-text h2 {
            font-size: 1.875rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--text-dark);
        }

        .brand-story-text p {
            color: var(--text-muted-dark);
            line-height: 1.8;
            margin-bottom: 1rem;
            font-size: 1.05rem;
        }

        .brand-story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .brand-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 380px;
        }

        .brand-story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), transparent);
            pointer-events: none;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .card {
            background: #1E293B;
            border-radius: var(--radius-md);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-primary);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .card .card-category {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            background: rgba(124, 58, 237, 0.12);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 0.5rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted-dark);
            padding-top: 0.75rem;
            border-top: 1px solid rgba(124, 58, 237, 0.1);
        }

        .card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .card .card-link {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: var(--transition);
        }

        .card .card-link:hover {
            color: var(--secondary);
            gap: 0.6rem;
        }

        .card-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1.5rem;
            color: var(--text-muted-dark);
            background: rgba(124, 58, 237, 0.05);
            border: 1px dashed var(--border-primary);
            border-radius: var(--radius-md);
        }

        .card-empty i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
            opacity: 0.4;
        }

        /* Trust / Testimonials */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
        }

        .trust-item {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            transition: var(--transition);
        }

        .trust-item:hover {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.05);
        }

        .trust-item .icon {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
        }

        .trust-item .number {
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .trust-item .desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.05);
        }

        .testimonial-card .stars {
            color: var(--secondary);
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-style: italic;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .testimonial-card .author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--primary);
            object-fit: cover;
        }

        .testimonial-card .author .name {
            font-weight: 600;
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .testimonial-card .author .role {
            font-size: 0.8rem;
            color: var(--text-muted-dark);
        }

        /* Subscribe / CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B0F19 0%, rgba(124, 58, 237, 0.2) 50%, #0B0F19 100%),
                        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 5rem 0;
            text-align: center;
            position: relative;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: var(--text-muted);
            max-width: 550px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }

        .subscribe-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
            gap: 0.75rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.9rem 1.5rem;
            background: #1E293B;
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            color: var(--text-light);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }

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

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
        }

        .subscribe-form button {
            padding: 0.9rem 2rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            box-shadow: var(--shadow-glow);
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-primary);
            padding: 1.25rem 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--text-light);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0.25rem 0;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question .icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            color: var(--primary-light);
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .faq-question.open .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem 0 0;
        }

        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        .faq-answer p {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* Footer */
        .footer {
            background: #0B0F19;
            border-top: 1px solid rgba(124, 58, 237, 0.2);
            padding: 4rem 0 2rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo {
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted-dark);
            max-width: 320px;
        }

        .footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 1.25rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.6rem;
        }

        .footer-links a {
            color: var(--text-muted-dark);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid var(--border-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            font-size: 1rem;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(124, 58, 237, 0.15);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .brand-story {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .brand-story-image img {
                min-height: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat .number {
                font-size: 1.6rem;
            }
            .section {
                padding: 3rem 0;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .brand-story-image img {
                min-height: 220px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input {
                min-width: unset;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* Scrollbar styling */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F19;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* Selection */
        ::selection {
            background: rgba(124, 58, 237, 0.3);
            color: white;
        }

        /* Motion safeness */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #7C3AED;
            --primary-light: #8B5CF6;
            --primary-dark: #6D28D9;
            --secondary: #F97316;
            --secondary-light: #FB923C;
            --secondary-dark: #EA580C;
            --bg-dark: #0B0F19;
            --bg-light: #F8FAFC;
            --bg-card: #1E293B;
            --text-light: #F8FAFC;
            --text-muted-light: #CBD5E1;
            --text-dark: #1E293B;
            --text-muted-dark: #64748B;
            --border-glow: rgba(124, 58, 237, 0.3);
            --shadow-glow: 0 0 20px rgba(124, 58, 237, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .header.scrolled {
            background: var(--bg-dark);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--text-light);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
        }

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

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 0.25rem 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
            border-radius: 1px;
        }

        .nav-links a:hover { color: #fff; }
        .nav-links a:hover::after { width: 100%; }
        .nav-links a.active { color: var(--primary-light); }
        .nav-links a.active::after { width: 100%; }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-lg);
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
            filter: brightness(1.1);
        }

        .btn-primary:active { transform: scale(0.97); }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-lg);
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .hamburger span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Page Banner */
        .page-banner {
            padding-top: 80px;
            min-height: 40vh;
            background: linear-gradient(135deg, var(--bg-dark) 0%, rgba(124, 58, 237, 0.25) 50%, var(--bg-dark) 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 3rem;
            padding-bottom: 3rem;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-muted-light);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted-light);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb a:hover { color: var(--primary-light); }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        .breadcrumb .current {
            color: var(--primary-light);
        }

        .page-banner h1 {
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.3;
            letter-spacing: -0.01em;
            max-width: 900px;
        }

        .page-banner .meta-info {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-top: 1.25rem;
            color: var(--text-muted-light);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }

        .page-banner .meta-info span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .page-banner .meta-info i {
            color: var(--secondary);
        }

        .page-banner .category-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.9rem;
            background: rgba(124, 58, 237, 0.15);
            color: var(--primary-light);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }

        .page-banner .category-tag:hover {
            background: rgba(124, 58, 237, 0.25);
        }

        /* Article Content */
        .article-section {
            padding: 4rem 0;
        }

        .article-wrapper {
            max-width: 880px;
            margin: 0 auto;
        }

        .article-content {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 3rem;
            box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.05), 0 10px 15px -3px rgba(0, 0, 0, 0.03);
        }

        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 2.5rem 0 1rem 0;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 2rem 0 0.75rem 0;
            line-height: 1.4;
        }

        .article-content p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .article-content ul, .article-content ol {
            margin: 1rem 0 1.5rem 2rem;
            line-height: 1.8;
            color: var(--text-dark);
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(124, 58, 237, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted-dark);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: var(--transition);
        }

        .article-content a:hover {
            color: var(--secondary);
        }

        .article-content code {
            background: rgba(124, 58, 237, 0.08);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
        }

        .article-content pre {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Related Articles */
        .related-section {
            padding: 4rem 0;
            background: var(--bg-dark);
        }

        .related-section .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .related-section .section-title h2 {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }

        .related-section .section-title p {
            color: var(--text-muted-light);
            font-size: 1.05rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(124, 58, 237, 0.1);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.3);
        }

        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .related-card .card-body {
            padding: 1.5rem;
        }

        .related-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .related-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .related-card .card-footer .date {
            font-size: 0.8rem;
            color: var(--text-muted-dark);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .related-card .card-footer .read-more {
            font-size: 0.85rem;
            color: var(--primary-light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: var(--transition);
        }

        .related-card .card-footer .read-more:hover {
            color: var(--secondary);
        }

        /* Back Button */
        .back-section {
            padding: 2rem 0 4rem;
            text-align: center;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-lg);
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-back:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
        }

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found .icon {
            font-size: 4rem;
            color: var(--text-muted-dark);
            margin-bottom: 1.5rem;
        }

        .not-found h2 {
            font-size: 1.75rem;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
        }

        .not-found p {
            color: var(--text-muted-dark);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        .not-found .btn-back {
            display: inline-flex;
        }

        /* Footer */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(124, 58, 237, 0.3);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            color: var(--text-muted-light);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.65rem;
        }

        .footer-links a {
            color: var(--text-muted-light);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 0.75rem;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted-light);
            font-size: 1.1rem;
            transition: var(--transition);
            text-decoration: none;
        }

        .footer-social a:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container { padding: 0 1.25rem; }

            .nav-links {
                display: none;
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 25, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 2rem;
                gap: 1.25rem;
                border-bottom: 1px solid rgba(124, 58, 237, 0.2);
            }

            .nav-links.open { display: flex; }

            .hamburger { display: flex; }

            .nav-cta .btn-primary {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }

            .page-banner h1 {
                font-size: 1.75rem;
            }

            .page-banner .meta-info {
                font-size: 0.85rem;
                gap: 1rem;
            }

            .article-content {
                padding: 1.5rem;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

            .article-content p {
                font-size: 1rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }

            .article-content {
                padding: 1rem;
            }

            .btn-primary, .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #7C3AED;
            --secondary: #F97316;
            --deep-bg: #0B0F19;
            --light-bg: #F8FAFC;
            --card-bg: #1E293B;
            --text-light: #CBD5E1;
            --text-dark: #1E293B;
            --border-glow: rgba(124, 58, 237, 0.2);
            --radius-xl: 16px;
            --radius-lg: 12px;
            --radius-md: 8px;
            --shadow-card: 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(124, 58, 237, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            transition: var(--transition);
            padding: 0.75rem 0;
        }

        .header.scrolled {
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid rgba(124, 58, 237, 0.15);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(135deg, #fff, #e0e0e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            padding: 0.25rem 0;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: #fff;
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.5rem;
            background: linear-gradient(135deg, var(--primary), #a855f7);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-xl);
            transition: var(--transition);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.3);
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--secondary), #fb923c);
            box-shadow: 0 0 28px rgba(249, 115, 22, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.5rem;
            background: transparent;
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            border-radius: var(--radius-xl);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: var(--primary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 4px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 25, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            padding: 2rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .mobile-drawer.open {
            opacity: 1;
            pointer-events: all;
        }

        .mobile-drawer a {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            transition: var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .mobile-drawer .close-drawer {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            color: #fff;
            font-size: 2rem;
            opacity: 0.6;
            transition: var(--transition);
        }

        .mobile-drawer .close-drawer:hover {
            opacity: 1;
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            padding: 10rem 0 4rem;
            background: var(--deep-bg);
            position: relative;
            overflow: hidden;
            min-height: 50vh;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 25, 0.92) 40%, rgba(124, 58, 237, 0.3) 100%);
            z-index: 1;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 1.5rem;
        }

        .category-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .category-banner .breadcrumb a:hover {
            color: var(--secondary);
        }

        .category-banner .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .category-banner .breadcrumb .current {
            color: var(--secondary);
            font-weight: 500;
        }

        .category-banner h1 {
            font-size: 2.75rem;
            font-weight: 700;
            background: linear-gradient(135deg, #fff 30%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .category-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ===== 分类介绍区 ===== */
        .category-intro {
            padding: 4rem 0;
            background: #fff;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .intro-content h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        .intro-content h2 span {
            color: var(--primary);
        }

        .intro-content p {
            color: #475569;
            line-height: 1.8;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .intro-content .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1.5rem;
        }

        .intro-content .tags span {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(124, 58, 237, 0.08);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        .intro-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
            position: relative;
        }

        .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: var(--transition);
        }

        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 赛事亮点 ===== */
        .highlights {
            padding: 5rem 0;
            background: var(--light-bg);
        }

        .highlights .section-title {
            text-align: center;
            font-size: 1.875rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
        }

        .highlights .section-desc {
            text-align: center;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto 3rem;
            font-size: 1.05rem;
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2.25rem 2rem;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(124, 58, 237, 0.06);
            transition: var(--transition);
            text-align: center;
        }

        .highlight-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .highlight-card .icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 1.25rem;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(249, 115, 22, 0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .highlight-card p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== 赛事列表 (左侧图文+右侧列表混合) ===== */
        .tournament-list {
            padding: 5rem 0;
            background: #fff;
        }

        .tournament-list .section-title {
            font-size: 1.875rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .tournament-list .section-desc {
            color: #64748b;
            margin-bottom: 2.5rem;
            font-size: 1.05rem;
            max-width: 600px;
        }

        .tournament-mixed {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        .tournament-featured {
            background: var(--deep-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }

        .tournament-featured img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .tournament-featured .featured-content {
            padding: 1.75rem 2rem 2rem;
        }

        .tournament-featured .badge {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            background: rgba(249, 115, 22, 0.2);
            color: var(--secondary);
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .tournament-featured h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .tournament-featured p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .tournament-featured .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.25rem;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tournament-featured .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

        .tournament-side-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .tournament-side-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--light-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(124, 58, 237, 0.06);
            transition: var(--transition);
        }

        .tournament-side-item:hover {
            background: #fff;
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.15);
            transform: translateX(4px);
        }

        .tournament-side-item .rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #a855f7);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .tournament-side-item .info {
            flex: 1;
            min-width: 0;
        }

        .tournament-side-item .info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.15rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tournament-side-item .info p {
            font-size: 0.85rem;
            color: #64748b;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tournament-side-item .status {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
            flex-shrink: 0;
        }

        .tournament-side-item .status.live {
            background: rgba(239, 68, 68, 0.12);
            color: #EF4444;
        }

        .tournament-side-item .status.upcoming {
            background: rgba(16, 185, 129, 0.12);
            color: #10B981;
        }

        .tournament-side-item .status.ended {
            background: rgba(100, 116, 139, 0.12);
            color: #64748b;
        }

        /* ===== 流程区 ===== */
        .process-section {
            padding: 5rem 0;
            background: var(--deep-bg);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .process-section .container {
            position: relative;
            z-index: 1;
        }

        .process-section .section-title {
            text-align: center;
            font-size: 1.875rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .process-section .section-desc {
            text-align: center;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 3rem;
            font-size: 1.05rem;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .process-step {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(124, 58, 237, 0.12);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            background: rgba(124, 58, 237, 0.08);
            border-color: rgba(124, 58, 237, 0.25);
            transform: translateY(-4px);
        }

        .process-step .step-number {
            width: 48px;
            height: 48px;
            margin: 0 auto 1rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .process-step p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 5rem 0;
            background: #fff;
        }

        .faq-section .section-title {
            text-align: center;
            font-size: 1.875rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
        }

        .faq-section .section-desc {
            text-align: center;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto 3rem;
            font-size: 1.05rem;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .faq-item {
            border: 1px solid rgba(124, 58, 237, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(124, 58, 237, 0.15);
        }

        .faq-question {
            width: 100%;
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
            gap: 1rem;
        }

        .faq-question:hover {
            background: rgba(124, 58, 237, 0.03);
        }

        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 1.5rem 1.25rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 5rem 0;
            background: var(--deep-bg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--deep-bg);
            border-top: 1px solid rgba(124, 58, 237, 0.2);
            padding: 4rem 0 0;
        }

        .footer .logo-text {
            font-size: 1.15rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 0.75rem;
            max-width: 360px;
        }

        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-links a {
            color: var(--text-light);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(124, 58, 237, 0.1);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(124, 58, 237, 0.1);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--text-light);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tournament-mixed {
                grid-template-columns: 1fr;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .intro-image img {
                height: 280px;
            }

            .category-banner h1 {
                font-size: 2.25rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: flex;
            }

            .category-banner {
                padding: 8rem 0 3rem;
                min-height: 40vh;
            }

            .category-banner h1 {
                font-size: 1.8rem;
            }

            .category-banner .subtitle {
                font-size: 1rem;
            }

            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .intro-image img {
                height: 220px;
            }

            .tournament-featured img {
                height: 180px;
            }

            .tournament-featured .featured-content {
                padding: 1.25rem 1.5rem 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .faq-question {
                font-size: 0.95rem;
                padding: 1rem 1.25rem;
            }

            .faq-answer {
                font-size: 0.9rem;
            }

            .highlights .section-title,
            .process-section .section-title,
            .faq-section .section-title,
            .tournament-list .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .header .container {
                gap: 0.75rem;
            }

            .logo-text {
                font-size: 1rem;
            }

            .btn-primary {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }

            .category-banner h1 {
                font-size: 1.5rem;
            }

            .tournament-side-item {
                padding: 0.75rem 1rem;
                flex-wrap: wrap;
            }

            .tournament-side-item .info h4 {
                font-size: 0.9rem;
            }

            .tournament-side-item .info p {
                font-size: 0.8rem;
            }

            .process-step {
                padding: 1.5rem 1rem;
            }

            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (min-width: 769px) {
            .mobile-drawer {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #7C3AED;
            --primary-dark: #6D28D9;
            --primary-light: #A78BFA;
            --secondary: #F97316;
            --secondary-dark: #EA580C;
            --secondary-light: #FB923C;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --bg-dark: #0B0F19;
            --bg-card: #1E293B;
            --bg-light: #F8FAFC;
            --text-light: #F8FAFC;
            --text-muted: #CBD5E1;
            --text-muted-dark: #94A3B8;
            --text-dark: #1E293B;
            --text-gray: #64748B;
            --border-glow: rgba(124, 58, 237, 0.2);
            --border-glow-hover: rgba(124, 58, 237, 0.5);
            --shadow-card: 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(124, 58, 237, 0.15);
            --glow-primary: 0 0 20px rgba(124, 58, 237, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 0.75rem 0;
            background: transparent;
            transition: var(--transition);
        }

        .header.scrolled {
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.25rem;
            box-shadow: 0 0 12px rgba(124, 58, 237, 0.35);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }

        .nav-links li a {
            padding: 0.5rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--text-light);
            background: rgba(124, 58, 237, 0.1);
        }

        .nav-links li a.active {
            color: var(--text-light);
            background: rgba(124, 58, 237, 0.15);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-lg);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.3);
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            transform: scale(1.03);
            box-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
            filter: brightness(1.1);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: 1.5px solid rgba(124, 58, 237, 0.4);
            border-radius: var(--radius-lg);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(11, 15, 25, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 6rem 2rem 2rem;
            flex-direction: column;
            justify-content: space-between;
            opacity: 0;
            transform: translateY(-20px);
            transition: opacity 0.35s ease, transform 0.35s ease;
        }

        .mobile-drawer.open {
            display: flex;
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-drawer .drawer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-drawer .drawer-links li a {
            display: block;
            padding: 1rem 1.25rem;
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-md);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .mobile-drawer .drawer-links li a:hover,
        .mobile-drawer .drawer-links li a.active {
            color: var(--text-light);
            background: rgba(124, 58, 237, 0.12);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .mobile-drawer .drawer-links li a.active {
            color: var(--primary-light);
        }

        .mobile-drawer .drawer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(124, 58, 237, 0.15);
        }

        .mobile-drawer .drawer-bottom .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 1rem;
            font-size: 1.125rem;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 1.25rem 0 0;
            font-size: 0.875rem;
            color: var(--text-muted-dark);
        }

        .breadcrumb a {
            color: var(--primary-light);
        }

        .breadcrumb a:hover {
            color: var(--secondary-light);
        }

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

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0B0F19 0%, rgba(124, 58, 237, 0.25) 50%, #0B0F19 100%);
            overflow: hidden;
            padding: 8rem 0 4rem;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 25, 0.7) 0%, rgba(11, 15, 25, 0.4) 50%, rgba(11, 15, 25, 0.8) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .category-hero p {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 2.5rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .category-hero .hero-stats .stat-item {
            text-align: center;
        }

        .category-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-stats .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted-dark);
            margin-top: 0.25rem;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-light);
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }

        .section-sub {
            font-size: 1.125rem;
            color: var(--text-muted-dark);
            max-width: 640px;
            margin-bottom: 3rem;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            padding: 0.25rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(124, 58, 237, 0.12);
            border-radius: 100px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

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

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

        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: #111827;
        }

        .card-item .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-item .card-tag {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(249, 115, 22, 0.12);
            border-radius: 100px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .card-item .card-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-light);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }

        .card-item:hover .card-title {
            color: var(--primary-light);
        }

        .card-item .card-desc {
            font-size: 0.95rem;
            color: var(--text-muted-dark);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-item .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            padding-top: 0.75rem;
            border-top: 1px solid rgba(124, 58, 237, 0.08);
        }

        .card-item .card-link {
            color: var(--primary-light);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: var(--transition);
        }

        .card-item .card-link:hover {
            color: var(--secondary-light);
            gap: 0.6rem;
        }

        /* ===== Feature Blocks (差异化版式) ===== */
        .feature-blocks {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-block {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glow);
            padding: 2rem;
            transition: var(--transition);
        }

        .feature-block:hover {
            border-color: var(--border-glow-hover);
            box-shadow: var(--shadow-hover);
        }

        .feature-block .fb-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 58, 237, 0.12);
            border-radius: var(--radius-md);
            font-size: 1.5rem;
            color: var(--primary-light);
            margin-bottom: 1.25rem;
        }

        .feature-block h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }

        .feature-block p {
            font-size: 0.95rem;
            color: var(--text-muted-dark);
            line-height: 1.7;
        }

        /* ===== News List (横向) ===== */
        .news-row-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-row-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--border-glow);
            transition: var(--transition);
        }

        .news-row-item:hover {
            border-color: var(--border-glow-hover);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .news-row-item .nri-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(249, 115, 22, 0.1);
            border-radius: var(--radius-sm);
            color: var(--secondary);
            font-size: 1.25rem;
        }

        .news-row-item .nri-content {
            flex: 1;
            min-width: 0;
        }

        .news-row-item .nri-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 0.2rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-row-item .nri-desc {
            font-size: 0.875rem;
            color: var(--text-muted-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-row-item .nri-meta {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted-dark);
            text-align: right;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(124, 58, 237, 0.1);
            padding: 1.25rem 0;
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(124, 58, 237, 0.1);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-light);
            cursor: pointer;
            gap: 1rem;
            user-select: none;
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 58, 237, 0.12);
            border-radius: 50%;
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .faq-item.active .faq-toggle {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem 0 0;
            font-size: 0.95rem;
            color: var(--text-muted-dark);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(249, 115, 22, 0.08));
            border: 1px solid rgba(124, 58, 237, 0.15);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.6;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(124, 58, 237, 0.2);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(124, 58, 237, 0.08);
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links li a {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            transition: var(--transition);
        }

        .footer-links li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .footer-social a {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 58, 237, 0.1);
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .footer-social a:hover {
            color: var(--primary-light);
            background: rgba(124, 58, 237, 0.2);
            border-color: rgba(124, 58, 237, 0.3);
            transform: translateY(-2px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-blocks {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .category-hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header .container {
                padding: 0 1rem;
            }

            .category-hero {
                min-height: 50vh;
                padding: 6rem 0 3rem;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero p {
                font-size: 1rem;
            }

            .category-hero .hero-stats {
                gap: 1.5rem;
            }

            .section {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .feature-blocks {
                gap: 1.25rem;
            }

            .feature-block {
                padding: 1.5rem;
            }

            .news-row-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
                padding: 1rem 1.25rem;
            }

            .news-row-item .nri-meta {
                text-align: left;
                align-self: flex-start;
            }

            .cta-section {
                padding: 2.5rem 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .logo-text {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }

            .category-hero .hero-stats .stat-number {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .card-item .card-body {
                padding: 1.25rem;
            }

            .btn-primary,
            .btn-secondary {
                padding: 0.5rem 1.25rem;
                font-size: 0.9rem;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in {
            animation: fadeInUp 0.7s ease forwards;
        }

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

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }

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

        ::-webkit-scrollbar-thumb {
            background: rgba(124, 58, 237, 0.3);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(124, 58, 237, 0.5);
        }