/* roulang page: index */
:root {
            --primary: #0a0e1a;
            --accent: #e84d3d;
            --gold: #f5a623;
            --surface: #111827;
            --surface-light: #1f2937;
            --muted: #9ca3af;
            --text-primary: #f3f4f6;
            --text-secondary: #d1d5db;
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(232, 77, 61, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }

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

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== Navigation ===== */
        .nav-capsule {
            position: fixed;
            top: 1.25rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 60px;
            padding: 0.5rem 1.5rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            width: auto;
            max-width: 92%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }

        .nav-capsule.scrolled {
            background: rgba(10, 14, 26, 0.95);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
            border-color: rgba(232, 77, 61, 0.2);
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, var(--gold), #ff8c42);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

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

        .nav-links a {
            padding: 0.45rem 1rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
            background: rgba(232, 77, 61, 0.15);
        }

        .nav-links a.active {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 77, 61, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 768px) {
            .nav-capsule {
                top: 0.75rem;
                padding: 0.4rem 1rem;
                border-radius: 40px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 24px;
                padding: 0.75rem;
                gap: 0.25rem;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.6rem 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            isolation: isolate;
            padding: 8rem 0 4rem;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 26, 0.60) 0%, rgba(10, 14, 26, 0.85) 100%);
            z-index: 1;
        }

        .hero>* {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 1.2rem;
            border-radius: 40px;
            background: rgba(232, 77, 61, 0.15);
            border: 1px solid rgba(232, 77, 61, 0.25);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gold);
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fff 40%, var(--gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.2rem;
        }

        .hero-sub {
            font-size: clamp(1.05rem, 2vw, 1.3rem);
            color: var(--text-secondary);
            max-width: 580px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 20px rgba(232, 77, 61, 0.3);
        }
        .btn-primary:hover {
            background: #d43d2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 77, 61, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
            background: rgba(245, 166, 35, 0.05);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), #ff8c42);
            color: #0a0e1a;
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
        }
        .btn-gold:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 36px rgba(245, 166, 35, 0.45);
        }

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

        @media (max-width: 640px) {
            .section {
                padding: 3rem 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.5rem;
            border-left: 3px solid var(--accent);
            padding-left: 0.75rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: #fff;
        }

        .section-desc {
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 600px;
            line-height: 1.7;
        }

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

        /* ===== Cards ===== */
        .card {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .card:hover {
            border-color: rgba(232, 77, 61, 0.2);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-cover {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 1.25rem;
            aspect-ratio: 16 / 9;
            background: var(--surface-light);
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card:hover .card-cover img {
            transform: scale(1.06);
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.3;
            color: #fff;
        }

        .card-text {
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .card-tag {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(232, 77, 61, 0.12);
            color: var(--accent);
            border: 1px solid rgba(232, 77, 61, 0.15);
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.82rem;
            color: var(--muted);
            margin-top: 0.75rem;
        }

        /* ===== Category Card (large) ===== */
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            padding: 1.5rem;
            isolation: isolate;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .cat-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
            z-index: 0;
        }

        .cat-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 14, 26, 0.88) 20%, rgba(10, 14, 26, 0.1) 80%);
            z-index: 1;
        }

        .cat-card>* {
            position: relative;
            z-index: 2;
        }

        .cat-card:hover {
            border-color: rgba(245, 166, 35, 0.3);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        }

        .cat-card:hover img {
            transform: scale(1.08);
        }

        .cat-card-title {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .cat-card-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Stats ===== */
        .stat-item {
            text-align: center;
            padding: 1.5rem;
        }

        .stat-number {
            font-size: clamp(2.2rem, 4vw, 3rem);
            font-weight: 900;
            background: linear-gradient(135deg, var(--gold), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .stat-label {
            color: var(--muted);
            font-size: 0.9rem;
            font-weight: 500;
            margin-top: 0.3rem;
        }

        /* ===== Features ===== */
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(232, 77, 61, 0.1);
            color: var(--accent);
            margin-bottom: 1rem;
            border: 1px solid rgba(232, 77, 61, 0.12);
            flex-shrink: 0;
        }

        .feature-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            border-radius: var(--radius);
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: rgba(232, 77, 61, 0.12);
            background: var(--surface-light);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.25rem 0;
            cursor: pointer;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: #fff;
            gap: 1rem;
        }

        .faq-question .icon {
            transition: transform 0.3s ease;
            font-size: 1.1rem;
            color: var(--gold);
            flex-shrink: 0;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            isolation: isolate;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 4rem 2rem;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.9), rgba(232, 77, 61, 0.25));
            z-index: 1;
        }

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

        /* ===== Footer ===== */
        .footer {
            background: var(--surface);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 3rem 0 1.5rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gold), #ff8c42);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            color: var(--muted);
            font-size: 0.82rem;
        }

        /* ===== Misc ===== */
        .glow-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(232, 77, 61, 0.5);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.85);
            }
        }

        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(232, 77, 61, 0.2), transparent);
            margin: 2rem 0;
        }

        .empty-state {
            padding: 3rem 2rem;
            text-align: center;
            color: var(--muted);
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px dashed rgba(255, 255, 255, 0.06);
        }

        /* ===== Grid helpers ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .gap-2 {
            gap: 2rem;
        }

        /* ===== Scroll animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.show {
            opacity: 1;
            transform: translateY(0);
        }

        /* responsive extras */
        @media (max-width: 640px) {
            .hero {
                padding: 6rem 0 3rem;
                min-height: 90vh;
            }
            .nav-capsule {
                max-width: 96%;
            }
            .cta-section {
                padding: 2.5rem 1rem;
                border-radius: var(--radius);
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --accent: #f4a261;
            --bg-dark: #0a0f1a;
            --bg-card: #111827;
            --bg-section: #0f1724;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-light: #cbd5e1;
            --border-color: #1e293b;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        /* ===== 导航胶囊 ===== */
        .nav-capsule {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(15, 23, 36, 0.92);
            backdrop-filter: blur(18px) saturate(1.4);
            border: 1px solid rgba(230, 57, 70, 0.25);
            border-radius: 60px;
            padding: 8px 28px 8px 32px;
            max-width: 1100px;
            width: calc(100% - 40px);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(230, 57, 70, 0.1);
            transition: var(--transition);
        }

        .nav-capsule.scrolled {
            background: rgba(10, 15, 26, 0.97);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.8);
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #e63946, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

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

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

        .nav-links li a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(230, 57, 70, 0.15);
        }

        .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(230, 57, 70, 0.15);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-capsule {
                top: 12px;
                padding: 6px 16px 6px 20px;
                width: calc(100% - 24px);
                border-radius: 40px;
            }

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

            .nav-toggle {
                display: block;
            }

            .nav-links {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                border: 1px solid rgba(230, 57, 70, 0.2);
                border-radius: 20px;
                padding: 12px 8px;
                gap: 4px;
                display: none;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
            }

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

            .nav-links li a {
                padding: 12px 20px;
                width: 100%;
                text-align: center;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                top: 10px;
                padding: 6px 12px 6px 16px;
                width: calc(100% - 16px);
                border-radius: 32px;
            }
            .nav-logo {
                font-size: 1rem;
                max-width: 140px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0a0f1a 0%, #1a0f1a 50%, #0f1724 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            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;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 1;
        }

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

        .banner-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 40px;
            border: 1px solid rgba(230, 57, 70, 0.3);
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .banner-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, #f4a261 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
                min-height: 300px;
            }
            .banner-title {
                font-size: 2rem;
            }
            .banner-sub {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .banner-title {
                font-size: 1.6rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

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

        .section-header .accent-line {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 57, 70, 0.25);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

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

        .card-body {
            padding: 24px;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .card-meta .badge {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .card-link {
            color: var(--primary-light);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .card-link:hover {
            color: #fff;
            gap: 10px;
        }

        /* ===== 网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 分类标签 ===== */
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .tag-filter button {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            font-family: inherit;
        }

        .tag-filter button:hover {
            border-color: var(--primary);
            color: #fff;
        }

        .tag-filter button.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        /* ===== 攻略详情区块 ===== */
        .guide-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .guide-featured-img {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
        }

        .guide-featured-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
            border-radius: var(--radius);
        }

        .guide-featured-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .guide-featured-content .desc {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .guide-featured-content .stats {
            display: flex;
            gap: 24px;
            margin-bottom: 20px;
        }

        .guide-featured-content .stats span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .guide-featured-content .stats strong {
            color: #fff;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .guide-featured {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 24px;
            }
            .guide-featured-content h3 {
                font-size: 1.3rem;
            }
            .guide-featured-img img {
                height: 220px;
            }
        }

        /* ===== 排行列表 ===== */
        .rank-list {
            counter-reset: rank;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: default;
        }

        .rank-item:hover {
            border-color: rgba(230, 57, 70, 0.3);
            transform: translateX(4px);
        }

        .rank-item::before {
            counter-increment: rank;
            content: counter(rank);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 40px;
            text-align: center;
            opacity: 0.8;
        }

        .rank-item .rank-info {
            flex: 1;
        }

        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }

        .rank-item .rank-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .rank-item .rank-tag {
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        @media (max-width: 520px) {
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .rank-item::before {
                font-size: 1.2rem;
                min-width: 30px;
            }
            .rank-item .rank-tag {
                font-size: 0.7rem;
                padding: 2px 10px;
            }
        }

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

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

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: inherit;
            transition: var(--transition);
        }

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

        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(244, 162, 97, 0.06));
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-family: inherit;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }

        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary-light);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 28px;
            margin-top: 40px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            background: linear-gradient(135deg, #e63946, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

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

        .footer-bottom {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== 选中高亮 ===== */
        ::selection {
            background: rgba(230, 57, 70, 0.35);
            color: #fff;
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, #e63946, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gap-section {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--border-color), transparent);
            margin: 0;
        }

/* roulang page: article */
:root {
            --color-primary: #0a0a1a;
            --color-primary-light: #1a1a3a;
            --color-accent: #d4a843;
            --color-accent-hover: #e8c04a;
            --color-accent-dark: #b8922e;
            --color-bg: #0d0d1f;
            --color-bg-card: #14142a;
            --color-bg-section: #111128;
            --color-text: #f0f0f5;
            --color-text-muted: #9a9ab0;
            --color-text-soft: #c0c0d0;
            --color-border: #2a2a4a;
            --color-border-light: #3a3a5a;
            --color-danger: #e74c3c;
            --color-success: #2ecc71;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(212, 168, 67, 0.15);
            --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;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        /* ===== 导航胶囊 ===== */
        .nav-capsule {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(10, 10, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--color-border);
            border-radius: 60px;
            padding: 8px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 92%;
            max-width: 1100px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
            transition: var(--transition);
        }
        .nav-capsule:hover {
            border-color: var(--color-border-light);
            box-shadow: 0 12px 40px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.08);
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, var(--color-accent), #f0d080);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            color: var(--color-accent);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(212, 168, 67, 0.12);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
        }
        .nav-links a.active:hover {
            background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
        }
        .nav-links a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 140px 24px 80px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,10,26,0.75) 0%, rgba(10,10,26,0.55) 50%, rgba(10,10,26,0.85) 100%);
            z-index: 1;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.2);
            z-index: 1;
        }
        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            text-align: center;
        }
        .article-hero-content .category-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #0a0a1a;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 40px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.25);
        }
        .article-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.5);
            letter-spacing: -0.3px;
        }
        .article-hero-content .meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
        }
        .article-hero-content .meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero-content .meta i {
            color: var(--color-accent);
        }
        .article-hero-content .meta .date i {
            color: var(--color-text-muted);
        }

        /* ===== 文章正文 ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--color-bg);
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text-soft);
        }
        .article-content p {
            margin-bottom: 1.5em;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 2em 0 0.8em;
            letter-spacing: -0.2px;
            border-left: 4px solid var(--color-accent);
            padding-left: 18px;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #fff;
            margin: 1.8em 0 0.6em;
        }
        .article-content ul,
        .article-content ol {
            margin: 1em 0 1.5em 1.8em;
            color: var(--color-text-soft);
        }
        .article-content li {
            margin-bottom: 0.5em;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: rgba(212, 168, 67, 0.06);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
        }
        .article-content img {
            margin: 2em auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }
        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--color-accent-hover);
        }

        .article-feature-img {
            margin: 2em 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        /* ===== 文章标签 & 分享 ===== */
        .article-footer-bar {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .article-tags .tag {
            display: inline-block;
            background: rgba(212, 168, 67, 0.1);
            color: var(--color-accent);
            padding: 5px 16px;
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid rgba(212, 168, 67, 0.2);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(212, 168, 67, 0.2);
            border-color: var(--color-accent);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .article-share span {
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--color-text-soft);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover {
            background: var(--color-accent);
            color: #0a0a1a;
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.25);
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--color-bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212,168,67,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box {
            background: linear-gradient(145deg, rgba(212,168,67,0.08), rgba(212,168,67,0.02));
            border: 1px solid rgba(212,168,67,0.15);
            border-radius: var(--radius-xl);
            padding: 52px 48px;
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
            box-shadow: var(--shadow-glow);
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #0a0a1a;
            box-shadow: 0 4px 20px rgba(212,168,67,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(212,168,67,0.4);
            color: #0a0a1a;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-soft);
            border: 1px solid var(--color-border-light);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212,168,67,0.06);
            transform: translateY(-3px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        /* ===== FAQ 区域 ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--color-bg);
        }
        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 48px;
        }
        .faq-grid {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .faq-question .icon {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--color-accent);
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== 文章不存在 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
        }
        .not-found-box .icon-big {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--color-text-soft);
            margin-bottom: 24px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--color-primary-light);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 28px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-accent), #f0d080);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-hero-content h1 {
                font-size: 2.2rem;
            }
            .nav-capsule {
                padding: 6px 20px;
                top: 16px;
                width: 94%;
            }
            .nav-links a {
                padding: 6px 14px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                padding: 10px 18px;
                top: 12px;
                border-radius: 50px;
                width: 96%;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(10, 10, 26, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-radius: 24px;
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                border: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 12px 18px;
                font-size: 0.95rem;
                text-align: center;
                border-radius: 30px;
            }
            .article-hero {
                min-height: 340px;
                padding: 120px 20px 60px;
            }
            .article-hero-content h1 {
                font-size: 1.8rem;
            }
            .article-hero-content .meta {
                gap: 12px;
                font-size: 0.82rem;
                flex-direction: column;
                align-items: center;
            }
            .article-main {
                padding: 40px 0 60px;
            }
            .article-content {
                font-size: 0.98rem;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-footer-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
            .faq-section .section-title {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }
            .footer-links {
                gap: 12px !important;
            }
            .footer-links a {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                padding: 8px 14px;
                top: 10px;
                border-radius: 40px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .article-hero {
                min-height: 280px;
                padding: 100px 16px 40px;
            }
            .article-hero-content h1 {
                font-size: 1.4rem;
            }
            .article-hero-content .category-badge {
                font-size: 0.72rem;
                padding: 4px 14px;
            }
            .article-main {
                padding: 28px 0 40px;
            }
            .article-content {
                font-size: 0.92rem;
            }
            .article-content h2 {
                font-size: 1.15rem;
                padding-left: 12px;
            }
            .article-content h3 {
                font-size: 1.05rem;
            }
            .cta-box {
                padding: 28px 16px;
            }
            .cta-box h2 {
                font-size: 1.2rem;
            }
            .cta-box p {
                font-size: 0.9rem;
            }
            .faq-section {
                padding: 48px 0;
            }
            .faq-section .section-title {
                font-size: 1.2rem;
                margin-bottom: 28px;
            }
            .footer {
                padding: 28px 0 20px;
            }
            .footer-bottom {
                font-size: 0.78rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #ef4444;
            --primary-dark: #dc2626;
            --primary-light: #fca5a5;
            --secondary: #1e293b;
            --accent: #f97316;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --bg-body: #0b1120;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border-color: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(239, 68, 68, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        /* ===== 导航胶囊 ===== */
        .nav-capsule {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 28px;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(20px) saturate(1.6);
            -webkit-backdrop-filter: blur(20px) saturate(1.6);
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
            width: calc(100% - 48px);
            max-width: 1100px;
            transition: var(--transition);
        }

        .nav-capsule.scrolled {
            background: rgba(15, 23, 42, 0.96);
            border-color: rgba(239, 68, 68, 0.25);
            box-shadow: 0 12px 48px rgba(239, 68, 68, 0.12);
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #f97316, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

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

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

        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
            position: relative;
        }

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

        .nav-links li a.active {
            color: #fff;
            background: linear-gradient(135deg, #ef4444, #dc2626);
            box-shadow: 0 4px 16px rgba(239, 68, 68, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-capsule {
                top: 12px;
                padding: 8px 18px;
                border-radius: 40px;
                width: calc(100% - 24px);
            }

            .nav-logo {
                font-size: 1.25rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(15, 23, 42, 0.98);
                backdrop-filter: blur(20px);
                border-radius: 24px;
                padding: 16px 12px;
                border: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
                gap: 4px;
            }

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

            .nav-links li a {
                padding: 12px 20px;
                font-size: 1rem;
                border-radius: 14px;
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                top: 8px;
                padding: 6px 14px;
                border-radius: 32px;
            }

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

            .nav-links li a {
                padding: 10px 16px;
                font-size: 0.92rem;
            }
        }

        /* ===== 页面头部间距 ===== */
        .page-top {
            padding-top: 100px;
        }

        @media (max-width: 768px) {
            .page-top {
                padding-top: 80px;
            }
        }

        /* ===== Banner ===== */
        .banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.88)),
                url(/assets/images/backpic/back-2.png) center center / cover no-repeat;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 56px;
            padding: 80px 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }

        .banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .banner-tag {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(239, 68, 68, 0.2);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .banner h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .banner h1 span {
            background: linear-gradient(135deg, #f97316, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .banner {
                min-height: 300px;
                padding: 60px 20px;
                border-radius: 12px;
            }
            .banner h1 {
                font-size: 2rem;
            }
            .banner p {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .banner h1 {
                font-size: 1.6rem;
            }
            .banner p {
                font-size: 0.92rem;
            }
        }

        /* ===== 区块标题 ===== */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-news {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card-news:hover {
            transform: translateY(-6px);
            border-color: rgba(239, 68, 68, 0.25);
            box-shadow: var(--shadow-hover);
        }

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

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

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

        .card-news-tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(239, 68, 68, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(239, 68, 68, 0.2);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card-news h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .card-news:hover h3 {
            color: var(--primary-light);
        }

        .card-news p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: #64748b;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: auto;
        }

        .card-news-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: linear-gradient(135deg, #ef4444, #dc2626);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(239, 68, 68, 0.45);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(239, 68, 68, 0.3);
            transform: translateY(-2px);
        }

        /* ===== 统计块 ===== */
        .stat-block {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .stat-block:hover {
            border-color: rgba(239, 68, 68, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f97316, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(239, 68, 68, 0.2);
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: #fff;
            gap: 12px;
        }

        .faq-q i {
            color: var(--primary-light);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(249, 115, 22, 0.06));
            border-radius: var(--radius);
            border: 1px solid rgba(239, 68, 68, 0.15);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 28px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 28px;
            margin-top: 80px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            background: linear-gradient(135deg, #f97316, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 4px 8px;
            border-radius: 6px;
        }

        .footer-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .footer-bottom {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: #475569;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== 工具类 ===== */
        .gap-4 {
            gap: 16px;
        }
        .gap-6 {
            gap: 24px;
        }
        .gap-8 {
            gap: 32px;
        }

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

            .stat-number {
                font-size: 2rem;
            }

            .faq-q {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.35rem;
            }
            .card-news-body {
                padding: 16px 18px 20px;
            }
            .card-news h3 {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: #334155;
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #475569;
        }

        /* ===== 选中颜色 ===== */
        ::selection {
            background: rgba(239, 68, 68, 0.35);
            color: #fff;
        }

        /* ===== 加载动画 ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }

        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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