/* roulang page: index */
:root {
            --color-primary: #0F1B2D;
            --color-secondary: #48CAE4;
            --color-accent: #FFB703;
            --color-neon: #00B4D8;
            --color-bg: #0F1B2D;
            --color-card-bg: rgba(255, 255, 255, 0.06);
            --color-text: #FFFFFF;
            --color-text-secondary: #B0C4DE;
            --color-text-muted: #8B9DC3;
            --color-border: rgba(255, 255, 255, 0.15);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-blur: blur(12px);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.6);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --radius-badge: 6px;
            --font-stack: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            --nav-height: 72px;
            --container-max: 1200px;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            font-size: 16px;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover,
        a:focus {
            color: #90E0EF;
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 1rem;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text);
            font-weight: 600;
            line-height: 1.3;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 27, 45, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo i {
            color: var(--color-secondary);
            font-size: 1.5rem;
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            opacity: 0.9;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.3s, color 0.3s, transform 0.2s;
            border: 1px solid transparent;
        }
        .nav-links a i {
            font-size: 0.85rem;
            color: var(--color-secondary);
        }
        .nav-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-links a.active {
            background: rgba(72, 202, 228, 0.18);
            color: #fff;
            border-color: rgba(72, 202, 228, 0.3);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: box-shadow 0.3s, transform 0.2s;
        }
        .nav-cta:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff !important;
        }
        .nav-cta:active {
            transform: scale(0.98);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.3rem;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 1.5rem 6rem;
            overflow: hidden;
            background: var(--color-primary);
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
            filter: saturate(0.8) brightness(0.7);
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 180, 216, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 30%, rgba(72, 202, 228, 0.08) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 880px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
        }
        .hero h1 span {
            background: linear-gradient(135deg, #fff 50%, var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.25rem;
            color: var(--color-text-secondary);
            margin-bottom: 2.5rem;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .hero .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2.2rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 1.05rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: box-shadow 0.3s, transform 0.2s;
            text-decoration: none;
        }
        .hero .btn-glow:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .hero .btn-glow:active {
            transform: scale(0.97);
        }
        .hero-badge {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(72, 202, 228, 0.15);
            border: 1px solid rgba(72, 202, 228, 0.25);
            border-radius: 50px;
            color: var(--color-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2.25rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
        }
        .section-title p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .badge-sub {
            display: inline-block;
            padding: 0.2rem 1rem;
            background: rgba(255, 183, 3, 0.12);
            border-radius: 50px;
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 0.8rem;
        }

        /* ===== 品牌故事 ===== */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .story-text h3 {
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        .story-text p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .story-text .tagline {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(72, 202, 228, 0.1);
            border-radius: 50px;
            color: var(--color-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 0.8rem;
        }
        .story-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .story-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
        }

        /* ===== 精选服务卡片 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .service-card {
            display: grid;
            grid-template-columns: 160px 1fr;
            gap: 1.5rem;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: var(--shadow-card);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        .service-card .card-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            height: 120px;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .service-card .card-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .service-card .card-body p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .service-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--color-secondary);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .service-card .card-body .card-link i {
            transition: transform 0.2s;
        }
        .service-card .card-body .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 信任背书 ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .trust-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s;
        }
        .trust-card:hover {
            transform: translateY(-3px);
        }
        .trust-card .quote-icon {
            color: var(--color-secondary);
            font-size: 1.8rem;
            margin-bottom: 1rem;
            opacity: 0.6;
        }
        .trust-card blockquote {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-style: normal;
            margin-bottom: 1rem;
        }
        .trust-card .source {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .trust-card .source i {
            color: var(--color-accent);
            margin-right: 0.3rem;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .stat-item {
            text-align: center;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.8rem 1rem;
            box-shadow: var(--shadow-card);
        }
        .stat-item .number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.2;
        }
        .stat-item .number .unit {
            font-size: 1.2rem;
            color: var(--color-text-muted);
            font-weight: 400;
        }
        .stat-item .label {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }

        /* ===== 订阅CTA ===== */
        .cta-subscribe {
            background: linear-gradient(135deg, #0A1628 0%, #132A45 50%, #0F1B2D 100%);
            border-radius: var(--radius-card);
            padding: 4rem 3rem;
            text-align: center;
            border: 1px solid rgba(72, 202, 228, 0.15);
            position: relative;
            overflow: hidden;
        }
        .cta-subscribe::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 180, 216, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-subscribe h2 {
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            position: relative;
        }
        .cta-subscribe p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 2rem;
            position: relative;
        }
        .subscribe-form {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 0.8rem;
            position: relative;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 0.85rem 1.2rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s, background 0.3s;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-secondary);
            background: rgba(255, 255, 255, 0.12);
        }
        .subscribe-form button {
            padding: 0.85rem 1.8rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: box-shadow 0.3s, transform 0.2s;
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .subscribe-form button:active {
            transform: scale(0.97);
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: grid;
            gap: 1.2rem;
        }
        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 1.2rem;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.5rem;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: var(--shadow-card);
            align-items: center;
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        }
        .news-item .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-info {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
            transition: color 0.2s;
        }
        .news-item .news-title:hover {
            color: var(--color-secondary);
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .news-item .news-meta .tag {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            background: rgba(72, 202, 228, 0.15);
            border-radius: var(--radius-badge);
            color: var(--color-secondary);
            font-size: 0.7rem;
            font-weight: 500;
        }
        .news-item .news-summary {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 3rem 1.5rem;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            color: var(--color-text-muted);
            font-size: 1rem;
        }
        .news-empty i {
            font-size: 2.5rem;
            color: var(--color-text-muted);
            opacity: 0.4;
            margin-bottom: 0.8rem;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: grid;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow 0.2s;
        }
        .faq-item:hover {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.2s;
            gap: 1rem;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--color-secondary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-question.open .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A1322;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 4rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #fff;
        }
        .footer-col p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
        }
        .footer-col .social-links {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .footer-col .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-muted);
            font-size: 1.1rem;
            transition: background 0.3s, color 0.3s, transform 0.2s;
        }
        .footer-col .social-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .story-image img {
                height: 300px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                grid-template-columns: 130px 1fr;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }
            .site-header .container {
                padding: 0 1rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 27, 45, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1.2rem 1.5rem 1.8rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                gap: 0.6rem;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.7rem 1rem;
                font-size: 1rem;
            }
            .nav-links .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 0.3rem;
            }
            .hamburger {
                display: block;
            }
            .hero {
                min-height: 70vh;
                padding: 3rem 1rem 4rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .service-card {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .service-card .card-img {
                height: 160px;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-item .number {
                font-size: 2rem;
            }
            .cta-subscribe {
                padding: 2.5rem 1.5rem;
            }
            .cta-subscribe h2 {
                font-size: 1.5rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-sub {
                font-size: 0.9rem;
            }
            .hero .btn-glow {
                padding: 0.75rem 1.5rem;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-item {
                padding: 1.2rem 0.8rem;
            }
            .stat-item .number {
                font-size: 1.6rem;
            }
            .logo {
                font-size: 1.1rem;
            }
            .news-item .news-thumb {
                height: 100px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 1rem 1.2rem;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 1.2rem 1rem;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade {
            animation: fadeInUp 0.7s ease forwards;
        }
        .anim-delay-1 {
            animation-delay: 0.1s;
        }
        .anim-delay-2 {
            animation-delay: 0.2s;
        }
        .anim-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0F1B2D;
            --color-primary-dark: #0A1322;
            --color-secondary: #48CAE4;
            --color-secondary-dark: #00B4D8;
            --color-accent: #FFB703;
            --color-bg: #0F1B2D;
            --color-card-bg: rgba(255, 255, 255, 0.06);
            --color-card-border: rgba(255, 255, 255, 0.15);
            --color-text: #FFFFFF;
            --color-text-muted: #B0C4DE;
            --color-text-dim: #8B9DC3;
            --color-link: #48CAE4;
            --color-link-hover: #7AD9F0;
            --color-nav-bg: rgba(15, 27, 45, 0.92);
            --color-glass-bg: rgba(255, 255, 255, 0.06);
            --color-glass-border: rgba(255, 255, 255, 0.15);
            --color-tag-bg: rgba(72, 202, 228, 0.2);
            --color-tag-text: #48CAE4;
            --color-input-bg: rgba(255, 255, 255, 0.1);
            --color-input-border: rgba(255, 255, 255, 0.2);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --radius-tag: 6px;
            --radius-nav: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.6);
            --transition-standard: all 0.3s ease;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --container-max: 1200px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.6;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-link);
            text-decoration: none;
            transition: var(--transition-standard);
        }
        a:hover,
        a:focus {
            color: var(--color-link-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-standard);
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-text);
        }

        /* ========== Container ========== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* ========== 字体层级 ========== */
        h1 {
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.25rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.125rem;
            font-weight: 500;
        }
        p {
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.6;
            color: var(--color-text-muted);
        }
        .text-small {
            font-size: 0.875rem;
            color: var(--color-text-dim);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0 1rem;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 0.5rem;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--color-secondary);
            font-size: 1.5rem;
        }
        .site-logo:hover {
            color: var(--color-text);
            opacity: 0.9;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: transparent;
            border-radius: var(--radius-btn);
            transition: var(--transition-standard);
            white-space: nowrap;
        }
        .nav-links a i {
            font-size: 0.9rem;
            color: var(--color-text-dim);
            transition: var(--transition-standard);
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text);
        }
        .nav-links a:hover i,
        .nav-links a:focus i {
            color: var(--color-secondary);
        }
        .nav-links a.active {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
        }
        .nav-links a.active i {
            color: var(--color-secondary);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
            color: #fff;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
            box-shadow: 0 4px 15px rgba(0, 180, 216, 0.25);
        }
        .nav-links a.nav-cta i {
            color: #fff;
        }
        .nav-links a.nav-cta:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .nav-links a.nav-cta:active {
            transform: scale(0.98);
        }

        /* 移动端汉堡按钮 */
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: var(--radius-btn);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 6rem 1rem 4rem;
            background: var(--color-primary);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(72, 202, 228, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 60%, rgba(0, 180, 216, 0.05) 0%, transparent 60%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fff 60%, var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subtitle {
            font-size: 1.25rem;
            color: var(--color-text-muted);
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero .btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition-standard);
            text-decoration: none;
            min-height: 48px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
            color: #fff;
            box-shadow: 0 4px 20px rgba(0, 180, 216, 0.3);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }
        .btn-outline:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            background: rgba(72, 202, 228, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-accent {
            background: linear-gradient(135deg, #FF9F1C, var(--color-accent));
            color: #0F1B2D;
            box-shadow: 0 4px 20px rgba(255, 183, 3, 0.25);
        }
        .btn-accent:hover {
            box-shadow: 0 0 25px rgba(255, 183, 3, 0.5);
            transform: translateY(-2px);
            color: #0F1B2D;
        }
        .btn-accent:active {
            transform: scale(0.98);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 650px;
            margin: 0 auto 3rem;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
            border-radius: 3px;
            margin: 0.5rem auto 2rem;
        }

        /* ========== 卡片 ========== */
        .glass-card {
            background: var(--color-glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            transition: var(--transition-standard);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            border-color: rgba(72, 202, 228, 0.3);
        }

        /* ========== 赛事类型板块 ========== */
        .event-types-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .event-type-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
        }
        .event-type-card .icon-wrap {
            width: 72px;
            height: 72px;
            margin: 0 auto 1.25rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            background: rgba(72, 202, 228, 0.12);
            color: var(--color-secondary);
            transition: var(--transition-standard);
        }
        .event-type-card:hover .icon-wrap {
            background: rgba(72, 202, 228, 0.2);
            transform: scale(1.05);
        }
        .event-type-card h3 {
            margin-bottom: 0.75rem;
            font-size: 1.3rem;
        }
        .event-type-card p {
            font-size: 0.95rem;
            color: var(--color-text-dim);
        }

        /* ========== 赛事流程 ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            padding: 2rem 1.25rem;
            position: relative;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
        }
        .process-step h4 {
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--color-text-dim);
        }
        .process-step::after {
            content: '→';
            position: absolute;
            right: -1rem;
            top: 2.5rem;
            font-size: 1.5rem;
            color: var(--color-secondary);
            opacity: 0.5;
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ========== 热门赛事推荐 ========== */
        .featured-events {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .featured-event-card {
            overflow: hidden;
            padding: 0;
        }
        .featured-event-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .featured-event-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .featured-event-card .card-body h4 {
            margin-bottom: 0.5rem;
            font-size: 1.15rem;
        }
        .featured-event-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-dim);
            margin-bottom: 1rem;
        }
        .featured-event-card .event-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-dim);
        }
        .featured-event-card .event-meta i {
            color: var(--color-secondary);
            margin-right: 0.25rem;
        }
        .event-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-tag);
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.5rem 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 500;
            text-align: left;
            width: 100%;
            gap: 1rem;
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--color-secondary);
            transition: var(--transition-standard);
            flex-shrink: 0;
        }
        .faq-question:hover {
            color: var(--color-secondary);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem 0 0;
        }
        .faq-answer p {
            padding-bottom: 1rem;
            color: var(--color-text-dim);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #0A1322 0%, #132A45 50%, #0F1B2D 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 5rem 1rem;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(72, 202, 228, 0.06) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 订阅表单 ========== */
        .subscribe-form {
            display: flex;
            gap: 0.75rem;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.25rem;
            background: var(--color-input-bg);
            border: 1px solid var(--color-input-border);
            border-radius: var(--radius-btn);
            color: var(--color-text);
            font-size: 0.95rem;
            min-height: 48px;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-dim);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-secondary);
            background: rgba(255, 255, 255, 0.15);
        }
        .subscribe-form .btn {
            min-height: 48px;
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-dark);
            padding: 4rem 1rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            color: var(--color-text);
        }
        .footer-col p {
            font-size: 0.9rem;
            color: var(--color-text-dim);
            line-height: 1.7;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--color-text-dim);
            display: flex;
            align-items: center;
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
        }
        .social-links {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-dim);
            font-size: 1.1rem;
            transition: var(--transition-standard);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .social-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            border-color: rgba(72, 202, 228, 0.3);
            transform: translateY(-2px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: var(--color-text-dim);
        }
        .footer-bottom a {
            color: var(--color-text-dim);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* ========== 适用场景板块 ========== */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .scene-card {
            padding: 2rem 1.5rem;
            text-align: center;
        }
        .scene-card .scene-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: rgba(255, 183, 3, 0.12);
            color: var(--color-accent);
            transition: var(--transition-standard);
        }
        .scene-card:hover .scene-icon {
            background: rgba(255, 183, 3, 0.2);
            transform: scale(1.05);
        }
        .scene-card h4 {
            margin-bottom: 0.6rem;
            font-size: 1.1rem;
        }
        .scene-card p {
            font-size: 0.9rem;
            color: var(--color-text-dim);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .event-types-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-events {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step::after {
                display: none;
            }
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.5rem;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .container {
                height: 60px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-primary-dark);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
                gap: 0.25rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                border-radius: var(--radius-btn);
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 0.25rem;
                justify-content: center;
            }
            .hamburger {
                display: block;
            }
            .hero {
                min-height: 60vh;
                padding: 5rem 1rem 3rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero .subtitle {
                font-size: 1rem;
            }
            h2 {
                font-size: 1.75rem;
            }
            .event-types-grid {
                grid-template-columns: 1fr;
            }
            .featured-events {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .site-logo i {
                font-size: 1.2rem;
            }
        }

        @media screen and (max-width: 520px) {
            .hero h1 {
                font-size: 1.65rem;
            }
            .hero .subtitle {
                font-size: 0.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
                min-height: 44px;
            }
            .section {
                padding: 2rem 0;
            }
            .glass-card {
                padding: 1.25rem;
            }
            .event-type-card {
                padding: 1.5rem 1rem;
            }
            .featured-event-card .card-body {
                padding: 1rem 1.25rem 1.25rem;
            }
            .footer-grid {
                gap: 1.25rem;
            }
            .footer-col h4 {
                margin-bottom: 0.75rem;
            }
        }

        /* ========== 动画辅助 ========== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-delay-3 {
            animation-delay: 0.3s;
        }
        .fade-in-delay-4 {
            animation-delay: 0.4s;
        }

        /* ========== 背景装饰 ========== */
        .bg-glow-left {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(72, 202, 228, 0.06), transparent 70%);
            top: -100px;
            left: -100px;
            z-index: 0;
            pointer-events: none;
        }
        .bg-glow-right {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 183, 3, 0.04), transparent 70%);
            bottom: -80px;
            right: -80px;
            z-index: 0;
            pointer-events: none;
        }
        .relative {
            position: relative;
        }
        .z-1 {
            position: relative;
            z-index: 1;
        }

/* roulang page: article */
:root {
            --color-primary: #0F1B2D;
            --color-secondary: #48CAE4;
            --color-accent: #FFB703;
            --color-neon: #00B4D8;
            --color-bg: #0F1B2D;
            --color-card-bg: rgba(255, 255, 255, 0.06);
            --color-text: #FFFFFF;
            --color-text-muted: #B0C4DE;
            --color-text-dim: #8B9DC3;
            --color-border: rgba(255, 255, 255, 0.15);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-blur: blur(12px);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.6);
            --font-stack: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            --max-width: 1200px;
            --content-max-width: 800px;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --transition-default: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            font-size: 16px;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: var(--transition-default);
        }
        a:hover {
            color: #90E0EF;
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }

        .content-container {
            max-width: var(--content-max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-text);
        }

        h1 {
            font-size: 2.25rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.75rem;
            font-weight: 600;
        }
        h3 {
            font-size: 1.375rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.125rem;
            font-weight: 500;
        }

        @media screen and (max-width: 640px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.375rem;
            }
            h3 {
                font-size: 1.125rem;
            }
            h4 {
                font-size: 1rem;
            }
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-text-muted);
        }

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

        .section {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        @media screen and (max-width: 640px) {
            .section-title h2 {
                font-size: 1.5rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 27, 45, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0.6rem 0;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            white-space: nowrap;
        }
        .logo i {
            color: var(--color-secondary);
            font-size: 1.6rem;
        }
        .logo:hover {
            color: var(--color-secondary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition-default);
            white-space: nowrap;
        }
        .nav-links a i {
            font-size: 0.85rem;
        }
        .nav-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-text);
            transform: translateY(-1px);
        }
        .nav-links a.active {
            background: rgba(72, 202, 228, 0.18);
            color: var(--color-secondary);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-btn);
            box-shadow: 0 0 12px rgba(0, 180, 216, 0.3);
        }
        .nav-links a.nav-cta:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .nav-links a.nav-cta:active {
            transform: scale(0.98);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: var(--transition-default);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        @media screen and (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 27, 45, 0.98);
                backdrop-filter: blur(12px);
                padding: 1rem 1.5rem;
                border-radius: 0 0 var(--radius-card) var(--radius-card);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-top: none;
                gap: 0.5rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 0.3rem;
            }
            .hamburger {
                display: block;
            }
        }

        @media screen and (max-width: 640px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .site-header {
                padding: 0.4rem 0;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 1.2rem 0 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-dim);
        }
        .breadcrumb a {
            color: var(--color-text-dim);
        }
        .breadcrumb a:hover {
            color: var(--color-secondary);
        }
        .breadcrumb .sep {
            margin: 0 0.5rem;
            color: rgba(255, 255, 255, 0.25);
        }
        .breadcrumb .current {
            color: var(--color-text-muted);
        }

        /* ===== 文章头部 ===== */
        .article-header {
            padding: 1rem 0 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 2rem;
        }
        .article-header h1 {
            font-size: 2.25rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: var(--color-text-dim);
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .article-meta i {
            color: var(--color-secondary);
            font-size: 0.85rem;
        }
        .article-meta .category-tag {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            background: rgba(72, 202, 228, 0.2);
            color: var(--color-secondary);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        @media screen and (max-width: 640px) {
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 0.8rem;
                font-size: 0.8rem;
            }
        }

        /* ===== 正文阅读区 ===== */
        .article-body {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            padding-bottom: 2rem;
        }
        .article-body p {
            margin-bottom: 1.5em;
            color: rgba(255, 255, 255, 0.85);
        }
        .article-body h2 {
            font-size: 1.6rem;
            margin: 2rem 0 0.8rem;
            color: var(--color-text);
        }
        .article-body h3 {
            font-size: 1.3rem;
            margin: 1.6rem 0 0.6rem;
            color: var(--color-text);
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            color: var(--color-text);
        }
        .article-body img {
            display: block;
            margin: 1.8rem auto;
            border-radius: var(--radius-img);
            max-width: 100%;
            box-shadow: var(--shadow-card);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5em;
            padding-left: 1.5rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body a {
            color: var(--color-secondary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: #90E0EF;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-secondary);
            padding: 0.8rem 1.2rem;
            margin: 1.5rem 0;
            background: rgba(72, 202, 228, 0.06);
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            color: var(--color-text-muted);
            font-style: italic;
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--color-secondary);
        }
        .article-body pre {
            background: rgba(0, 0, 0, 0.3);
            padding: 1rem 1.2rem;
            border-radius: var(--radius-card);
            overflow-x: auto;
            margin: 1.5rem 0;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }
        .article-body hr {
            border: none;
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
            margin: 2rem 0;
        }

        @media screen and (max-width: 640px) {
            .article-body {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }

        /* ===== 未找到文章 ===== */
        .not-found-box {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--color-text-dim);
            margin-bottom: 1.2rem;
        }
        .not-found-box h2 {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
        }
        .not-found-box p {
            color: var(--color-text-dim);
            margin-bottom: 1.5rem;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.8rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            box-shadow: 0 0 12px rgba(0, 180, 216, 0.25);
            transition: var(--transition-default);
        }
        .not-found-box .btn-back:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 3rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2rem;
        }
        .related-section h3 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .related-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 1.2rem 1.2rem 1rem;
            transition: var(--transition-default);
        }
        .related-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .related-card h4 {
            font-size: 1rem;
            font-weight: 500;
            margin-bottom: 0.4rem;
            color: var(--color-text);
        }
        .related-card h4 a {
            color: var(--color-text);
        }
        .related-card h4 a:hover {
            color: var(--color-secondary);
        }
        .related-card .related-date {
            font-size: 0.8rem;
            color: var(--color-text-dim);
        }

        @media screen and (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 480px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A1322;
            padding: 3rem 0 1.5rem;
            margin-top: var(--spacing-section);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .footer-col p {
            font-size: 0.9rem;
            color: var(--color-text-dim);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--color-text-dim);
            font-size: 0.9rem;
            transition: var(--transition-default);
            display: inline-flex;
            align-items: center;
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
            padding-left: 2px;
        }
        .social-links {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 0.3rem;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-dim);
            font-size: 1.1rem;
            transition: var(--transition-default);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .social-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(72, 202, 228, 0.15);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: var(--color-text-dim);
        }
        .footer-bottom a {
            color: var(--color-text-dim);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .social-links {
                justify-content: center;
            }
        }

        /* ===== 工具类 ===== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.8rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-default);
            box-shadow: 0 0 12px rgba(0, 180, 216, 0.25);
            font-size: 0.95rem;
        }
        .btn-glow:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }
        .btn-glow:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            transition: var(--transition-default);
        }
        .glass-card:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-2px);
        }

        /* ===== 响应式微调 ===== */
        @media screen and (max-width: 1024px) {
            .site-header .container {
                flex-wrap: wrap;
            }
        }

        @media screen and (max-width: 640px) {
            .container {
                padding: 0 0.75rem;
            }
            .content-container {
                padding: 0 0.75rem;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .article-body {
                font-size: 0.95rem;
            }
        }

        /* ===== 打印样式 ===== */
        @media print {
            .site-header,
            .site-footer,
            .related-section,
            .breadcrumb {
                display: none !important;
            }
            .article-body {
                color: #222;
            }
            .article-body p {
                color: #333;
            }
            body {
                background: #fff;
            }
            .article-header h1 {
                color: #111;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0F1B2D;
            --color-secondary: #48CAE4;
            --color-accent: #FFB703;
            --color-neon: #00B4D8;
            --color-bg: #0F1B2D;
            --color-card-bg: rgba(255, 255, 255, 0.06);
            --color-text: #FFFFFF;
            --color-text-muted: #B0C4DE;
            --color-text-dark: #8B9DC3;
            --color-border: rgba(255, 255, 255, 0.15);
            --color-glass: rgba(255, 255, 255, 0.06);
            --color-footer-bg: #0A1322;
            --font-stack: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --radius-nav: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.6);
            --transition: 0.3s ease;
            --max-width: 1200px;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.6;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #9AE0F4;
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

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

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }

        .section-padding {
            padding: var(--spacing-section) 0;
        }

        @media (max-width: 640px) {
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        /* ===== Typography ===== */
        h1 {
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: 2.25rem;
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 1.5rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.125rem;
            font-weight: 500;
            line-height: 1.5;
            margin-bottom: 0.75rem;
        }
        p {
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.6;
            color: var(--color-text-muted);
            margin-bottom: 1rem;
        }
        .text-small {
            font-size: 0.875rem;
            color: var(--color-text-dark);
        }

        @media (max-width: 640px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            h4 {
                font-size: 1rem;
            }
            p {
                font-size: 0.95rem;
            }
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--color-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.75rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            min-height: 44px;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-secondary);
            border: 1.5px solid var(--color-secondary);
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            min-height: 44px;
        }
        .btn-secondary:hover {
            background: rgba(72, 202, 228, 0.1);
            box-shadow: 0 0 15px rgba(72, 202, 228, 0.3);
            color: var(--color-secondary);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }

        /* ===== Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 27, 45, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0.6rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
            gap: 1rem;
        }

        .logo a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo a:hover {
            color: #fff;
        }
        .logo i {
            color: var(--color-secondary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            min-height: 40px;
            border: 1px solid transparent;
        }
        .nav-links a i {
            font-size: 0.85rem;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-links a.active {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            border-color: rgba(72, 202, 228, 0.2);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1.3rem;
            border: none;
        }
        .nav-links a.nav-cta:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            min-height: 44px;
            min-width: 44px;
        }

        @media (max-width: 640px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 27, 45, 0.98);
                backdrop-filter: blur(12px);
                border-radius: var(--radius-nav);
                padding: 1rem 0.5rem;
                margin-top: 0.8rem;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.8rem 1rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 1rem;
            overflow: hidden;
            background: var(--color-primary);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 180, 216, 0.15), transparent 70%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-hero h1 {
            color: #fff;
            margin-bottom: 1rem;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            max-width: 650px;
            margin: 0 auto 2rem;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 183, 3, 0.15);
            color: var(--color-accent);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(255, 183, 3, 0.25);
        }

        @media (max-width: 640px) {
            .page-hero {
                min-height: 40vh;
                padding: 3rem 1rem;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.85rem;
            color: var(--color-text-dark);
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .breadcrumb a {
            color: var(--color-text-dark);
        }
        .breadcrumb a:hover {
            color: var(--color-secondary);
        }
        .breadcrumb span {
            margin: 0 0.4rem;
            color: #556677;
        }

        /* ===== Feature Section ===== */
        .feature-section {
            background: var(--color-primary);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            text-align: center;
            padding: 2rem 1.5rem;
        }
        .feature-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(72, 202, 228, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: var(--color-secondary);
            transition: background var(--transition), transform var(--transition);
        }
        .feature-card:hover .icon-wrap {
            background: rgba(72, 202, 228, 0.22);
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tier / 会员等级 ===== */
        .tier-section {
            background: rgba(255, 255, 255, 0.02);
        }

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

        .tier-card {
            text-align: center;
            padding: 2rem 1.2rem;
            position: relative;
            overflow: hidden;
            border-top: 3px solid transparent;
        }
        .tier-card.tier-bronze {
            border-top-color: #CD7F32;
        }
        .tier-card.tier-silver {
            border-top-color: #C0C0C0;
        }
        .tier-card.tier-gold {
            border-top-color: var(--color-accent);
        }
        .tier-card.tier-diamond {
            border-top-color: #B9F2FF;
        }

        .tier-card .tier-icon {
            font-size: 2.4rem;
            margin-bottom: 1rem;
            color: var(--color-text-muted);
        }
        .tier-card.tier-bronze .tier-icon {
            color: #CD7F32;
        }
        .tier-card.tier-silver .tier-icon {
            color: #C0C0C0;
        }
        .tier-card.tier-gold .tier-icon {
            color: var(--color-accent);
        }
        .tier-card.tier-diamond .tier-icon {
            color: #B9F2FF;
        }

        .tier-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.4rem;
        }
        .tier-card .tier-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.8rem;
        }
        .tier-card .tier-price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--color-text-dark);
        }
        .tier-card ul {
            text-align: left;
            margin: 1rem 0;
            padding: 0 0.5rem;
        }
        .tier-card ul li {
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .tier-card ul li i {
            color: var(--color-secondary);
            font-size: 0.7rem;
        }
        .tier-card .btn-primary,
        .tier-card .btn-secondary {
            width: 100%;
            justify-content: center;
            margin-top: 0.5rem;
        }

        .tier-badge {
            display: inline-block;
            background: rgba(255, 183, 3, 0.15);
            color: var(--color-accent);
            font-size: 0.7rem;
            padding: 0.2rem 0.8rem;
            border-radius: 12px;
            margin-bottom: 0.5rem;
            border: 1px solid rgba(255, 183, 3, 0.2);
        }

        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Process / 流程 ===== */
        .process-section {
            background: var(--color-primary);
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            counter-reset: step;
            position: relative;
        }
        .process-steps::before {
            content: "";
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: rgba(72, 202, 228, 0.2);
            z-index: 0;
        }
        @media (max-width: 640px) {
            .process-steps::before {
                display: none;
            }
        }

        .step-item {
            flex: 1;
            min-width: 150px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 0.5rem;
        }
        .step-item .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(72, 202, 228, 0.12);
            border: 2px solid var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-secondary);
            transition: background var(--transition), transform var(--transition);
        }
        .step-item:hover .step-num {
            background: rgba(72, 202, 228, 0.25);
            transform: scale(1.05);
        }
        .step-item h4 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
        }
        .step-item p {
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        @media (max-width: 640px) {
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                max-width: 280px;
            }
        }

        /* ===== Benefits / 专属特权 ===== */
        .benefits-section {
            background: rgba(255, 255, 255, 0.02);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .benefit-card {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.5rem;
        }
        .benefit-card .benefit-icon {
            font-size: 1.8rem;
            color: var(--color-secondary);
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(72, 202, 228, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .benefit-card h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .benefit-card p {
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        @media (max-width: 640px) {
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .benefit-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-primary);
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.2rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 0.4rem 0;
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 500;
            gap: 1rem;
            min-height: 44px;
        }
        .faq-question i {
            color: var(--color-secondary);
            font-size: 1.2rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem 0 0;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.8rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            margin-bottom: 0;
            color: var(--color-text-muted);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0A1322, #152238);
            text-align: center;
            padding: 4rem 1rem;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 0.9rem 2.5rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .footer-col p {
            font-size: 0.85rem;
            color: var(--color-text-dark);
            line-height: 1.7;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
        }

        .social-links {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-muted);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            min-height: 44px;
            min-width: 44px;
        }
        .social-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-dark);
        }
        .footer-bottom a {
            color: var(--color-text-dark);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-col h4 {
                justify-content: center;
            }
            .social-links {
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utilities ===== */
        .text-center {
            text-align: center;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .section-title-wrap {
            margin-bottom: 3rem;
        }
        .section-title-wrap h2 {
            margin-bottom: 0.5rem;
        }
        .section-title-wrap p {
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* ===== Responsive extra ===== */
        @media (max-width: 640px) {
            .container {
                padding: 0 0.8rem;
            }
            .feature-card,
            .tier-card,
            .benefit-card {
                padding: 1.2rem;
            }
        }

        /* ===== Smooth reveal (optional enhancement) ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category3 */
/* ===== CSS 设计变量 ===== */
        :root {
            --color-primary: #0F1B2D;
            --color-secondary: #48CAE4;
            --color-accent: #FFB703;
            --color-neon: #00B4D8;
            --color-bg: #0F1B2D;
            --color-card-bg: rgba(255, 255, 255, 0.06);
            --color-border: rgba(255, 255, 255, 0.15);
            --color-text: #FFFFFF;
            --color-text-muted: #B0C4DE;
            --color-text-dim: #8B9DC3;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-blur: blur(12px);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.6);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --font-stack: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
            --container-max: 1200px;
            --transition-base: 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            font-weight: 400;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #7FDFF0;
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        button,
        input,
        textarea {
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1rem;
            width: 100%;
        }

        /* ===== 导航 (卡片化导航面板) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 27, 45, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 2rem;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo i {
            color: var(--color-secondary);
            font-size: 1.6rem;
        }
        .logo a {
            color: var(--color-text);
        }
        .logo a:hover {
            color: var(--color-secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.14);
            color: var(--color-text);
            transform: translateY(-1px);
        }
        .nav-links a.active {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1.4rem;
            box-shadow: 0 0 12px rgba(0, 180, 216, 0.3);
        }
        .nav-links a.nav-cta:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.4rem;
            border-radius: 6px;
            transition: background var(--transition-base);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Hero 区域 ===== */
        .page-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #0F1B2D 0%, #1a2d4a 50%, #0F1B2D 100%);
            overflow: hidden;
            padding: 4rem 1rem;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(72, 202, 228, 0.08), transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(0, 180, 216, 0.06), transparent 50%);
            z-index: 0;
            animation: heroGlow 12s ease-in-out infinite alternate;
        }
        @keyframes heroGlow {
            0% {
                transform: translate(0, 0) rotate(0deg);
                opacity: 0.6;
            }
            100% {
                transform: translate(2%, 2%) rotate(3deg);
                opacity: 1;
            }
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .page-hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: var(--color-text);
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .page-hero h1 span {
            color: var(--color-secondary);
        }
        .page-hero .hero-sub {
            font-size: 1.25rem;
            color: var(--color-text-muted);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(72, 202, 228, 0.2);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-block .section-title {
            font-size: 2.25rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }
        .section-block .section-sub {
            text-align: center;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 3rem;
            font-size: 1.05rem;
        }

        /* ===== 品牌故事板块 ===== */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .story-text h3 {
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--color-text);
        }
        .story-text p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 1rem;
            font-size: 1.05rem;
        }
        .story-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
            transition: transform 0.5s ease;
        }
        .story-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.2;
        }
        .stat-number .unit {
            font-size: 1.4rem;
            color: var(--color-text-muted);
            font-weight: 400;
        }
        .stat-label {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* ===== 发展历程时间线 ===== */
        .timeline-wrap {
            position: relative;
            padding: 2rem 0;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--color-secondary), transparent);
            transform: translateX(-50%);
        }
        .timeline-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 2.5rem;
            position: relative;
        }
        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .timeline-content {
            width: 45%;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .timeline-content:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .timeline-content .year {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.3rem;
        }
        .timeline-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--color-text);
        }
        .timeline-content p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            background: var(--color-secondary);
            border: 3px solid var(--color-bg);
            border-radius: 50%;
            top: 1.8rem;
            z-index: 2;
            box-shadow: 0 0 0 3px rgba(72, 202, 228, 0.2);
        }

        /* ===== 核心优势/价值观 ===== */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .value-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .value-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
        }
        .value-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            background: rgba(72, 202, 228, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--color-secondary);
        }
        .value-card h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
            color: var(--color-text);
        }
        .value-card p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== 团队介绍 ===== */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .team-card {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .team-card .avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-neon));
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            color: #fff;
            font-weight: 600;
        }
        .team-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
        }
        .team-card .role {
            color: var(--color-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
        }
        .team-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 500;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: background var(--transition-base);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--color-secondary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-question.active .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ===== CTA 板块 ===== */
        .cta-block {
            background: linear-gradient(135deg, #0F1B2D, #1a2d4a, #0F1B2D);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            text-align: center;
            padding: 4rem 1rem;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 70% 30%, rgba(72, 202, 228, 0.06), transparent 50%);
            z-index: 0;
        }
        .cta-block .container {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 2.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .cta-block p {
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }
        .cta-btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-glow {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            background: linear-gradient(135deg, var(--color-neon), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: var(--radius-btn);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            box-shadow: 0 0 12px rgba(0, 180, 216, 0.3);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-glow:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            background: transparent;
            color: var(--color-secondary);
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--color-secondary);
            transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline:hover {
            background: rgba(72, 202, 228, 0.1);
            color: var(--color-secondary);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A1322;
            padding: 3.5rem 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .footer-col p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
        }
        .social-links {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 1.1rem;
            transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
        }
        .social-links a:hover {
            background: rgba(72, 202, 228, 0.15);
            color: var(--color-secondary);
            transform: translateY(-3px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            flex-wrap: wrap;
            gap: 0.8rem;
            color: var(--color-text-dim);
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: var(--color-text-dim);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .story-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .story-image {
                order: -1;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-wrap::before {
                left: 20px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                flex-direction: row !important;
                padding-left: 50px;
            }
            .timeline-content {
                width: 100%;
            }
            .timeline-dot {
                left: 20px;
                transform: translateX(0);
            }
            .page-hero h1 {
                font-size: 2.5rem;
            }
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                padding: 0.6rem 1rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 27, 45, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                padding: 1rem;
                border-radius: 0 0 var(--radius-card) var(--radius-card);
                position: absolute;
                top: 100%;
                left: 0;
                border-top: 1px solid var(--color-border);
                box-shadow: var(--shadow-card);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.8rem 1rem;
            }
            .hamburger {
                display: block;
            }
            .page-hero {
                min-height: 40vh;
                padding: 3rem 1rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-sub {
                font-size: 1rem;
            }
            .section-block {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-block .section-title {
                font-size: 1.7rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .team-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-block h2 {
                font-size: 1.6rem;
            }
            .timeline-content {
                padding: 1rem;
            }
            .timeline-content .year {
                font-size: 1.1rem;
            }
        }

        @media screen and (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-card {
                padding: 1.2rem 0.8rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-glow,
            .btn-outline {
                width: 100%;
                max-width: 280px;
            }
        }