/* roulang page: index */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e83a4a;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg-light: #f8f9fc;
            --bg-dark: #0f0f1a;
            --text-dark: #1e1e2a;
            --text-muted: #6b7280;
            --text-light: #f1f1f6;
            --border-light: #e5e7eb;
            --border-muted: #d1d5db;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.14);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.18);
            --spacing-section: 5rem;
            --spacing-block: 3rem;
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        a:hover {
            opacity: 0.85;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }
        button, .btn {
            cursor: pointer;
            transition: all 0.25s ease;
            font-family: inherit;
        }
        button:focus-visible, .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* nav card panel */
        .nav-panel {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(200, 16, 46, 0.10);
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }
        .nav-panel.scrolled {
            box-shadow: 0 6px 30px rgba(0,0,0,0.10);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .nav-logo i {
            font-size: 1.3rem;
            color: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: transparent;
            transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }
        .nav-link i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }
        .nav-link:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--primary);
        }
        .nav-link:hover i {
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(200, 16, 46, 0.25);
        }
        .nav-link.active i {
            color: #fff;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.30);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200, 16, 46, 0.38);
            opacity: 1;
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        /* mobile toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 0.25rem;
            cursor: pointer;
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }
        /* hero */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-dark);
            overflow: hidden;
            isolation: isolate;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
            transform: scale(1.02);
            transition: transform 0.6s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(15,15,26,0.88) 0%, rgba(200,16,46,0.55) 70%, rgba(15,15,26,0.70) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 3rem 1.5rem;
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.15);
            color: var(--text-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        .hero-title span {
            background: linear-gradient(135deg, #f5c518, #f7d44a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: rgba(255,255,255,0.80);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }
        .hero-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(200, 16, 46, 0.35);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
        }
        .hero-btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(200, 16, 46, 0.45);
            opacity: 1;
        }
        .hero-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.20);
            color: #fff;
            transition: background 0.25s ease, transform 0.2s ease, border-color 0.25s ease;
        }
        .hero-btn-secondary:hover {
            background: rgba(255,255,255,0.18);
            border-color: rgba(255,255,255,0.30);
            transform: translateY(-2px);
            opacity: 1;
        }
        /* section */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-sub-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        /* card base */
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease, transform 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .card-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .grid-cards {
            display: grid;
            gap: 1.8rem;
        }
        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        /* stat */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
            padding: 1.8rem 1rem;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease, transform 0.25s ease;
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }
        /* guide steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.25s ease;
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .step-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .step-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* faq */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            gap: 1rem;
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        /* cta */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2d1b69 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .cta-desc {
            font-size: 1rem;
            opacity: 0.85;
            max-width: 540px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2.4rem;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--text-dark);
            box-shadow: 0 6px 24px rgba(245, 197, 24, 0.35);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
        }
        .cta-btn:hover {
            background: #f7d44a;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(245, 197, 24, 0.45);
            opacity: 1;
        }
        /* footer */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 1.8rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-brand i {
            color: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            opacity: 0.7;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.88rem;
            opacity: 0.7;
            transition: opacity 0.2s ease, color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-links a:hover {
            opacity: 1;
            color: var(--primary-light);
        }
        .footer-links a i {
            font-size: 0.75rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            opacity: 0.6;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
            opacity: 1;
        }
        /* info list (CMS) */
        .info-list {
            display: grid;
            gap: 1rem;
        }
        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.2s ease, transform 0.2s ease;
        }
        .info-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .info-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }
        .info-content {
            flex: 1;
            min-width: 0;
        }
        .info-title {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-dark);
            margin-bottom: 0.2rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }
        .info-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .info-meta i {
            font-size: 0.7rem;
        }
        .info-cat {
            padding: 0.15rem 0.6rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
        }
        /* responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.3rem;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid var(--border-light);
                margin-top: 0.5rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 0.6rem 1rem;
                justify-content: flex-start;
            }
            .nav-cta {
                justify-content: center;
                margin-top: 0.3rem;
            }
            .hero {
                min-height: 60vh;
            }
            .hero-title {
                font-size: clamp(1.8rem, 5vw, 2.6rem);
            }
            .section {
                padding: 3rem 0;
            }
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
            .info-item {
                padding: 1rem 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.2rem;
            }
            .hero {
                min-height: 50vh;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-btn-primary, .hero-btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-item {
                padding: 1.2rem 0.8rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section {
                padding: 2.2rem 0;
            }
            .container {
                padding: 0 1rem;
            }
            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 1.2rem 1rem;
                font-size: 0.88rem;
            }
        }
        /* tailwind override for card polish */
        .card-border-accent {
            border-top: 3px solid var(--primary);
        }
        .badge-pulse {
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .section-divider.center {
            margin-left: auto;
            margin-right: auto;
        }
        .bg-soft-primary {
            background: rgba(200, 16, 46, 0.04);
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

/* roulang page: article */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #fce4e8;
            --accent: #f5a623;
            --accent-dark: #d48f1a;
            --bg: #f8f9fc;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-soft: #4a4a6a;
            --text-muted: #8888aa;
            --border: #e8e8f0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航卡片面板 ===== */
        .nav-panel {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(200, 16, 46, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .nav-panel.scrolled {
            box-shadow: 0 8px 40px rgba(200, 16, 46, 0.10);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.3px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .nav-logo i {
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo:hover {
            transform: scale(1.02);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-xs);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 550;
            color: var(--text-soft);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-link i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: rgba(200, 16, 46, 0.15);
            transform: translateY(-1px);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.30);
        }

        .nav-link.active i {
            opacity: 1;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.30);
            border: none;
            margin-left: 8px;
        }

        .nav-cta i {
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 16, 46, 0.40);
        }

        .nav-cta:hover i {
            transform: translateX(4px);
        }

        /* ===== 文章页 ===== */
        .article-hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1b2e 50%, #1a1a2e 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 800px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .article-meta .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(200, 16, 46, 0.3);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(200, 16, 46, 0.2);
        }

        .article-meta .badge i {
            font-size: 0.7rem;
        }

        .article-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .date i {
            opacity: 0.6;
        }

        /* ===== 正文区 ===== */
        .article-body-section {
            padding: 50px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 650;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--text);
        }

        .article-content ul, .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
        }

        .article-content li {
            margin-bottom: 0.4em;
        }

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

        .article-content a:hover {
            color: var(--primary-dark);
            text-decoration-thickness: 2px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-soft);
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content .highlight-box {
            background: linear-gradient(135deg, #f0f4ff, #fce4e8);
            border: 1px solid rgba(200, 16, 46, 0.12);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            margin: 1.5em 0;
        }

        .article-content .highlight-box strong {
            color: var(--primary);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-content table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }

        .article-content table tr:nth-child(even) td {
            background: #f8f9fc;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: 50px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 550;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .article-share span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 550;
        }

        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-soft);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 侧栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--primary);
        }

        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .sidebar-item:hover {
            background: var(--primary-light);
            border-color: rgba(200, 16, 46, 0.10);
        }

        .sidebar-item .icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

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

        .sidebar-item .info .title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }

        .sidebar-item .info .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .sidebar-cta {
            display: block;
            text-align: center;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            margin-top: 16px;
        }

        .sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.30);
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 50px 0 60px;
            background: #fff;
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
        }

        .related-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 16, 46, 0.15);
        }

        .related-card .thumb {
            height: 180px;
            background: linear-gradient(135deg, #2d1b2e, #1a1a2e);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.2);
            font-size: 3rem;
            overflow: hidden;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

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

        .related-card .body .cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .related-card .body h3 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .body p {
            font-size: 0.85rem;
            color: var(--text-soft);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-card .body .date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand i {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 0.6rem;
            opacity: 0.5;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links a:hover i {
            opacity: 1;
            transform: translateX(4px);
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found-box i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .not-found-box h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-soft);
            margin-bottom: 24px;
        }

        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .not-found-box .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                border-radius: var(--radius);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                margin-top: 8px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 4px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-main {
                padding: 24px 20px;
            }
            .article-content {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .article-hero {
                padding: 40px 0 32px;
            }
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 12px;
            }
            .article-main {
                padding: 16px 14px;
                border-radius: var(--radius-sm);
            }
            .article-content {
                font-size: 0.95rem;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .related-header h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c0392b;
            --primary-light: #e74c3c;
            --primary-dark: #a93226;
            --secondary: #f39c12;
            --secondary-light: #f1c40f;
            --accent: #2c3e50;
            --accent-light: #34495e;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-elevated: #252545;
            --text-main: #f0f0f5;
            --text-muted: #a0a0c0;
            --text-soft: #c0c0dd;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-active: rgba(192, 57, 43, 0.5);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--secondary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            background: transparent;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 导航面板 ===== */
        .nav-panel {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.82);
            backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .nav-panel.scrolled {
            background: rgba(15, 15, 26, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.7rem;
            padding-bottom: 0.7rem;
            gap: 1.5rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .nav-logo i {
            color: var(--primary-light);
            font-size: 1.4rem;
        }
        .nav-logo:hover {
            color: var(--primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-link {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-link i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .nav-link.active {
            background: rgba(192, 57, 43, 0.2);
            color: var(--primary-light);
            border: 1px solid var(--border-active);
        }
        .nav-link.active i {
            opacity: 1;
        }
        .nav-cta {
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            margin-left: 0.5rem;
            border: 1px solid transparent;
        }
        .nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.35);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-main);
            padding: 0.3rem 0.6rem;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(18px);
                padding: 1rem 0.5rem;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-color);
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-inner {
                flex-wrap: wrap;
            }
            .nav-link,
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
            }
            .nav-cta {
                margin-top: 0.3rem;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo i {
                font-size: 1.1rem;
            }
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== Banner / Hero ===== */
        .page-banner {
            padding: 7rem 0 3.5rem;
            background: linear-gradient(165deg, #0f0f1a 0%, #1a0f0f 40%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(192, 57, 43, 0.15), transparent 70%);
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(192, 57, 43, 0.2);
            border: 1px solid var(--border-active);
            padding: 0.3rem 1.2rem;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 1.2rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 30%, var(--secondary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .banner-content p {
            font-size: 1.1rem;
            color: var(--text-soft);
            max-width: 640px;
            margin: 0 auto 1.5rem;
        }
        .banner-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .banner-meta i {
            margin-right: 0.4rem;
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 5.5rem 0 2.5rem;
                min-height: 260px;
            }
            .banner-content h1 {
                font-size: 1.9rem;
            }
            .banner-content p {
                font-size: 0.95rem;
            }
            .banner-meta {
                gap: 1rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                padding: 4.5rem 0 2rem;
                min-height: 220px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 4.5rem 0;
        }
        .section-dark {
            background: var(--bg-card);
        }
        .section-darker {
            background: rgba(0, 0, 0, 0.2);
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .section-header h2 i {
            color: var(--primary-light);
            margin-right: 0.5rem;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0.8rem auto 1rem;
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(192, 57, 43, 0.25);
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.2), rgba(241, 196, 15, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
            border: 1px solid var(--border-active);
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }
        .card .card-tag {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            margin-top: 0.8rem;
        }
        .card .card-tag i {
            margin-right: 0.3rem;
            color: var(--secondary);
        }
        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            margin-top: 1rem;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--secondary-light);
            transition: var(--transition);
        }
        .card .card-link:hover {
            color: var(--primary-light);
            gap: 0.7rem;
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card {
                padding: 1.4rem 1.2rem;
            }
        }

        /* ===== 步骤/流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 2rem 1.2rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .step-item:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--bg-body);
        }
        .step-item .step-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 0.8rem;
            margin-top: 0.3rem;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-soft);
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 图文区块 ===== */
        .content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .content-row.reverse {
            direction: rtl;
        }
        .content-row.reverse>* {
            direction: ltr;
        }
        .content-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .content-text h3 i {
            color: var(--primary-light);
            margin-right: 0.5rem;
        }
        .content-text p {
            color: var(--text-soft);
            margin-bottom: 1.2rem;
            font-size: 0.95rem;
        }
        .content-text .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            margin-bottom: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-soft);
        }
        .content-text .check-list li i {
            color: #2ecc71;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }
        .content-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
        }
        .content-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .content-row {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .content-row.reverse {
                direction: ltr;
            }
            .content-text h3 {
                font-size: 1.3rem;
            }
            .content-image img {
                height: 220px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(192, 57, 43, 0.2);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            text-align: left;
            gap: 1rem;
        }
        .faq-question i {
            color: var(--primary-light);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer a {
            color: var(--secondary-light);
            text-decoration: underline;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.12), rgba(241, 196, 15, 0.06));
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
            border: 1px solid var(--border-active);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            position: relative;
        }
        .cta-block p {
            color: var(--text-soft);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 1.8rem;
            position: relative;
        }
        .cta-block .btn-group {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.35);
            border-color: rgba(255, 255, 255, 0.1);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-main) !important;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--text-muted);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 2.5rem 1.5rem;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 0.7rem 1.4rem;
                font-size: 0.85rem;
            }
        }

        /* ===== 版权 / 页脚 ===== */
        .footer {
            background: #0a0a16;
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .footer-brand i {
            color: var(--primary-light);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }
        .footer-links a i {
            font-size: 0.6rem;
            color: var(--primary-light);
            opacity: 0.6;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 0.3rem;
        }
        .footer-links a:hover i {
            opacity: 1;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--secondary-light);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, #fff 30%, var(--secondary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }
        .gap-3 { gap: 1.5rem; }
        .gap-4 { gap: 2rem; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade-up {
            animation: fadeUp 0.6s ease-out forwards;
        }
        .anim-delay-1 { animation-delay: 0.1s; }
        .anim-delay-2 { animation-delay: 0.2s; }
        .anim-delay-3 { animation-delay: 0.3s; }
        .anim-delay-4 { animation-delay: 0.4s; }

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e8c4c9;
            --accent: #f5a623;
            --accent-dark: #d48f1a;
            --bg-body: #f8f6f2;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-section-alt: #f0ebe3;
            --text-main: #1e1e2a;
            --text-muted: #6b6b80;
            --text-light: #ffffff;
            --border: #e2dcd3;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        /* ===== 基础 Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: transparent;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }
        /* ===== 导航系统 ===== */
        .nav-panel {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .nav-panel.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 32px rgba(0, 0, 0, 0.06);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            transition: var(--transition);
        }
        .nav-logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .nav-logo:hover {
            color: var(--primary-dark);
            transform: scale(1.02);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }
        .nav-link i {
            font-size: 0.95rem;
        }
        .nav-link:hover {
            color: var(--text-main);
            background: rgba(200, 16, 46, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.10);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.30);
            margin-left: 8px;
        }
        .nav-cta i {
            font-size: 0.85rem;
            transition: transform 0.2s;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.35);
        }
        .nav-cta:hover i {
            transform: translateX(4px);
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-main);
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 900px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 10px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.10);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-link {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(200, 16, 46, 0.10);
                border-left: 4px solid var(--primary);
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 480px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.3rem;
            }
        }
        /* ===== 内容区 top 补偿 ===== */
        .page-top {
            padding-top: var(--nav-height);
        }
        /* ===== Hero / Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-banner .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center center;
            opacity: 0.55;
            transition: transform 0.6s ease;
        }
        .hero-banner:hover .hero-bg {
            transform: scale(1.03);
        }
        .hero-banner .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.80) 0%, rgba(200, 16, 46, 0.30) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 60px 24px;
            max-width: 820px;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.30);
        }
        .hero-content h1 i {
            margin-right: 12px;
            color: var(--accent);
        }
        .hero-content p {
            font-size: 1.2rem;
            opacity: 0.92;
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .hero-content .hero-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .hero-content .hero-badges span {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        @media (max-width: 768px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-content .hero-badges span {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }
        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content p {
                font-size: 0.92rem;
            }
        }
        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }
        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            gap: 28px;
        }
        .card-grid-2 {
            grid-template-columns: 1fr 1fr;
        }
        .card-grid-3 {
            grid-template-columns: 1fr 1fr 1fr;
        }
        .card-grid-4 {
            grid-template-columns: 1fr 1fr 1fr 1fr;
        }
        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .card-grid-2,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }
        /* ===== 事件卡片 ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .event-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img {
            transform: scale(1.04);
        }
        .event-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            width: fit-content;
        }
        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .event-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .event-card .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .event-card .card-excerpt {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .event-card .card-btn {
            align-self: flex-start;
            padding: 8px 20px;
            border-radius: 50px;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .event-card .card-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        @media (max-width: 640px) {
            .event-card .card-img {
                height: 170px;
            }
            .event-card .card-body {
                padding: 16px 18px 20px;
            }
            .event-card h3 {
                font-size: 1.05rem;
            }
        }
        /* ===== 日程时间线 ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border-left: 5px solid var(--primary);
            transition: var(--transition);
        }
        .schedule-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-hover);
        }
        .schedule-item .s-date {
            min-width: 70px;
            text-align: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            line-height: 1.3;
        }
        .schedule-item .s-date small {
            display: block;
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .schedule-item .s-info {
            flex: 1;
        }
        .schedule-item .s-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .schedule-item .s-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .schedule-item .s-status {
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: #e6f7e6;
            color: #1a7a1a;
        }
        .schedule-item .s-status.ongoing {
            background: #fff3d6;
            color: #b8860b;
        }
        .schedule-item .s-status.upcoming {
            background: #e8e8f0;
            color: #555;
        }
        @media (max-width: 640px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .schedule-item .s-date {
                min-width: 55px;
                font-size: 0.95rem;
            }
            .schedule-item .s-info h4 {
                font-size: 0.9rem;
            }
            .schedule-item .s-status {
                font-size: 0.7rem;
                padding: 3px 12px;
            }
        }
        /* ===== 统计数字块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            padding: 32px 16px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
        }
        @media (max-width: 800px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-main);
        }
        .faq-item .faq-q:hover {
            background: rgba(200, 16, 46, 0.04);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            transition: transform 0.3s;
            font-size: 0.9rem;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #a00d24 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            color: #fff;
            box-shadow: 0 16px 48px rgba(200, 16, 46, 0.30);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.92;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
            background: #f8f8f8;
        }
        .cta-section .cta-btn i {
            transition: transform 0.2s;
        }
        .cta-section .cta-btn:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a i {
            font-size: 0.6rem;
            color: var(--accent);
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a {
            color: var(--accent);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== 辅助类 ===== */
        .text-primary {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent);
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mr-2 {
            margin-right: 8px;
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-4 {
            gap: 16px;
        }
        /* ===== 图片 Logo 风格 ===== */
        .img-rounded {
            border-radius: var(--radius-sm);
        }
        .img-shadow {
            box-shadow: var(--shadow);
        }
        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .tag-cloud a:hover {
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .tag-cloud a i {
            color: var(--primary);
        }
        /* ===== 无边卡片（特色链接） ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card i {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* ===== 响应式微调 ===== */
        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }