/* roulang page: index */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }
        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }
        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }
        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }
        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-accent);
        }
        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }
        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        @media (min-width: 1025px) {
            .hamburger-btn {
                display: none;
            }
            .desktop-nav-links {
                display: flex;
                align-items: center;
                gap: 1.5rem;
            }
        }
        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
                background: none;
                border: none;
                padding: 4px;
                cursor: pointer;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding-top: 70px;
            padding-bottom: 2rem;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 15, 0.82) 0%, rgba(15, 15, 15, 0.55) 50%, rgba(15, 15, 15, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-whitepaper-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-xl);
            max-width: 520px;
            backdrop-filter: blur(4px);
        }
        .hero-cover-visual {
            width: 100%;
            aspect-ratio: 3/4;
            max-width: 340px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--color-primary);
            position: relative;
        }
        .hero-cover-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-cover-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #fff;
            padding: 2rem 1rem 1rem;
            font-weight: 700;
            font-size: 1.1rem;
            text-align: center;
        }

        .hero-download-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hero-download-btn:hover {
            background: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 90, 31, 0.4);
        }

        /* 板块通用 */
        .section-block {
            padding: 4rem 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 2.5rem 0;
            }
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 640px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* 卡片 */
        .card-generic {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 1.75rem;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            height: 100%;
        }
        .card-generic:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #f0f0f0;
        }
        .card-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #FFF5F0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.5rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        /* 新闻列表 */
        .news-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            background: #fafafa;
            padding-left: 0.5rem;
            border-radius: 4px;
        }
        .news-item:hover .news-title {
            color: var(--color-accent);
        }
        .news-date {
            flex-shrink: 0;
            width: 110px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
            padding-top: 2px;
        }
        .news-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            margin-bottom: 0.3rem;
        }
        .news-summary {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }
        .news-readmore {
            display: inline-block;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 0.3rem;
            transition: all var(--transition-fast);
        }
        .news-readmore:hover {
            color: #E04A10;
            text-decoration: underline;
        }

        /* FAQ手风琴 */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-slow);
        }
        .faq-question {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--color-primary);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafafa;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }
        .faq-icon {
            font-size: 1.3rem;
            transition: transform var(--transition-slow);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            color: #fff;
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }
        .sticky-cta-bar.visible {
            transform: translateY(0);
        }
        .sticky-cta-text {
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.01em;
        }
        .sticky-cta-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .sticky-cta-btn:hover {
            background: #E04A10;
            box-shadow: 0 4px 16px rgba(255, 90, 31, 0.5);
        }
        @media (max-width: 768px) {
            .sticky-cta-bar {
                padding: 0.7rem 1rem;
                gap: 0.8rem;
                flex-direction: column;
                text-align: center;
            }
            .sticky-cta-btn {
                width: 100%;
                padding: 0.7rem 1.5rem;
                font-size: 1rem;
            }
        }

        /* 里程碑 */
        .milestone-line {
            position: relative;
            padding-left: 2rem;
        }
        .milestone-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            position: absolute;
            left: 0;
            top: 6px;
            box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.15);
        }

        /* 合集目录卡 */
        .collection-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #f0f0f0;
        }
        .collection-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #e5e7eb;
        }
        .collection-card-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-weight: 600;
        }

        /* 热播推荐 */
        .hot-card-large {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .hot-card-large:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .hot-card-large img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            z-index: 2;
            letter-spacing: 0.03em;
        }
        .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
            padding: 2rem 1.2rem 1.2rem;
            color: #fff;
            z-index: 2;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            font-family: inherit;
            background: #fff;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.08);
        }
        .form-submit-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 0.8rem 2.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 1rem;
            width: 100%;
        }
        .form-submit-btn:hover {
            background: #E04A10;
            box-shadow: 0 6px 18px rgba(255, 90, 31, 0.35);
        }

        /* 页脚 */
        .footer-section {
            background: #141414;
            color: #b0b0b0;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
        }
        .footer-section a {
            color: #b0b0b0;
            transition: color var(--transition-fast);
        }
        .footer-section a:hover {
            color: var(--color-accent);
        }
        .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
        }

        /* 动效 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }

        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .count-animate {
            animation: countUp 0.5s ease forwards;
        }

        /* 滚动指示箭头 */
        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            animation: bounceDown 2s infinite;
            color: #fff;
            font-size: 1.5rem;
            opacity: 0.7;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }

        /* 时段卡 */
        .time-slot-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-smooth);
        }
        .time-slot-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(3px);
        }
        .time-slot-badge {
            display: inline-block;
            background: #FFF5F0;
            color: var(--color-accent);
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
        }

        @media (max-width: 640px) {
            .hero-whitepaper-card {
                padding: 1.5rem;
                max-width: 100%;
            }
            .hero-cover-visual {
                max-width: 200px;
                margin: 0 auto 1.5rem;
            }
            .news-date {
                width: 85px;
                font-size: 0.78rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .desktop-only {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .desktop-only {
                display: inline-flex;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
            padding: 0.5rem 0;
        }

        .breadcrumb a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: #9CA3AF;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* 分类Hero */
        .category-hero {
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 50%, #1A1A1A 100%);
            padding: 6rem 0 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 90, 31, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* 卡片样式 */
        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .article-card .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .article-card .card-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card .card-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0.5rem;
        }

        .article-card .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.5;
            margin-bottom: 0.6rem;
            color: var(--color-text);
            transition: color var(--transition-fast);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card:hover .card-title {
            color: var(--color-accent);
        }

        .article-card .card-excerpt {
            font-size: 0.875rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }

        .card-read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all var(--transition-fast);
            margin-top: auto;
        }

        .card-read-more:hover {
            color: #E04A10;
            gap: 0.5rem;
        }

        .card-read-more .arrow {
            transition: transform var(--transition-fast);
        }

        .card-read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* 特色赛事卡片 */
        .featured-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-smooth);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .featured-card .featured-image {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }

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

        .featured-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
            letter-spacing: 0.04em;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag-item {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #FFF5F0;
            transform: translateY(-1px);
        }

        .tag-item.active-tag {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #FFF5F0;
        }

        .pagination .page-btn.active-page {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 1rem;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F3F4F6;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-slow);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 1.2rem 0;
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-cta-bar .cta-text {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
        }

        .sticky-cta-bar .cta-btn {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.6rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .sticky-cta-bar .cta-btn:hover {
            background: #E04A10;
            box-shadow: 0 4px 16px rgba(255, 90, 31, 0.4);
            transform: translateY(-1px);
        }

        @media (max-width: 640px) {
            .sticky-cta-bar {
                padding: 0.6rem 1rem;
                gap: 0.8rem;
            }
            .sticky-cta-bar .cta-text {
                font-size: 0.8rem;
            }
            .sticky-cta-bar .cta-btn {
                padding: 0.5rem 1.5rem;
                font-size: 0.85rem;
            }
        }

        /* 页脚 */
        .footer-section {
            background: #111111;
            color: #B0B0B0;
            padding: 3rem 1.5rem 2rem;
            margin-bottom: 60px;
        }

        .footer-section a {
            color: #B0B0B0;
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
        }

        /* 动效 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

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

        /* 深度内容区 */
        .deep-content-section {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 2.5rem;
            line-height: 1.9;
        }

        .deep-content-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--color-text);
            position: relative;
            padding-bottom: 0.75rem;
        }

        .deep-content-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .deep-content-section p {
            margin-bottom: 1rem;
            color: #333;
        }

        .highlight-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            display: inline-block;
            margin: 0 0.25rem;
        }

        @media (max-width: 768px) {
            .deep-content-section {
                padding: 1.5rem;
            }
            .category-hero {
                padding: 5rem 0 1.5rem;
            }
            .featured-card .featured-image {
                height: 200px;
            }
            .article-card .card-image {
                height: 180px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .mobile-menu .nav-cta-btn {
            margin-top: 1rem;
            display: inline-block;
            text-align: center;
            width: 100%;
            padding: 0.75rem;
            font-size: 1rem;
        }

        /* 卡片 */
        .card-basketball {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        .card-basketball .card-img-wrap {
            overflow: hidden;
            position: relative;
        }

        .card-basketball .card-img-wrap img {
            transition: transform 0.4s ease;
        }

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

        /* 按钮 */
        .btn-accent {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-accent:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 31, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 31, 0.3);
        }

        .btn-white-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* 标签 */
        .tag-accent {
            display: inline-block;
            background: rgba(255, 90, 31, 0.1);
            color: var(--color-accent);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .tag-green {
            display: inline-block;
            background: rgba(0, 200, 83, 0.1);
            color: var(--color-green);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--color-white);
            transition: box-shadow var(--transition-smooth);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1rem 1.25rem;
            font-weight: 600;
            font-size: 1rem;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 1.3rem;
            font-weight: 300;
            transition: transform var(--transition-slow);
            flex-shrink: 0;
            margin-left: 1rem;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.25rem 1.25rem;
        }

        .faq-answer-inner {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #ffffff;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb .current {
            color: #ffffff;
            font-weight: 600;
        }

        /* 动效 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }

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

        @keyframes countUp {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
        }

        /* Hero overlay */
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 15, 0.55) 0%, rgba(15, 15, 15, 0.7) 60%, rgba(15, 15, 15, 0.85) 100%);
            z-index: 1;
        }

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

        /* 子标签导航条 */
        .sub-tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }

        .sub-tag {
            display: inline-block;
            padding: 0.45rem 1.1rem;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .sub-tag:hover,
        .sub-tag.active-tag {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
        }

        /* 数据条 */
        .data-highlight-bar {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-around;
            text-align: center;
        }

        .data-highlight-item {
            flex: 1;
            min-width: 140px;
        }

        .data-highlight-item .number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        .data-highlight-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.25rem;
        }

        /* 页脚 */
        .footer-section {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 1.5rem 1.5rem;
            font-size: 0.9rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .desktop-nav-links {
                gap: 0.9rem;
            }
            .nav-link {
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .data-highlight-bar {
                gap: 1.5rem;
                padding: 1.5rem;
            }
            .data-highlight-item .number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .container-custom {
                padding: 0 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .data-highlight-bar {
                flex-direction: column;
                gap: 1.25rem;
                padding: 1.5rem 1rem;
            }
            .data-highlight-item .number {
                font-size: 1.6rem;
            }
            .sub-tag-bar {
                gap: 0.35rem;
            }
            .sub-tag {
                padding: 0.35rem 0.8rem;
                font-size: 0.78rem;
            }
            .card-basketball {
                margin-bottom: 1rem;
            }
            .btn-accent,
            .btn-outline,
            .btn-white-outline {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
            .footer-section {
                padding: 2rem 1rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo-text {
                font-size: 1.15rem;
            }
            .hero-title {
                font-size: 1.6rem !important;
            }
            .hero-subtitle {
                font-size: 0.9rem !important;
            }
            .sub-tag {
                padding: 0.3rem 0.65rem;
                font-size: 0.72rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

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

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

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

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
            padding: 0.25rem 0;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .desktop-only {
            display: inline-block;
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .mobile-menu .nav-link.active-link {
            color: var(--color-accent);
        }

        .mobile-menu .nav-cta-btn {
            margin-top: 1rem;
            text-align: center;
            display: block;
            width: 100%;
        }

        @media (max-width: 1023px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .desktop-only {
                display: none;
            }
        }

        @media (min-width: 1024px) {
            .desktop-nav-links {
                display: flex !important;
            }
            .hamburger-btn {
                display: none !important;
            }
            .desktop-only {
                display: inline-block;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
            padding: 0.5rem 0;
        }

        .breadcrumb a {
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #E04A10;
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: #9CA3AF;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* Hero Banner */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 80px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.82) 0%, rgba(26, 26, 26, 0.5) 50%, rgba(26, 26, 26, 0.78) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 2rem;
            max-width: 700px;
        }

        .category-hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
            line-height: 1.25;
            letter-spacing: 0.01em;
        }

        .category-hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .category-hero-content .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 320px;
                margin-top: 64px;
                border-radius: 0;
            }
            .category-hero-content {
                padding: 2rem 1.2rem;
            }
            .category-hero-content h1 {
                font-size: 2rem;
            }
            .category-hero-content .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* 卡片 */
        .card-article {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .card-article .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e5e7eb;
        }

        .card-article .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-article:hover .card-image-wrap img {
            transform: scale(1.04);
        }

        .card-article .card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-article .card-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0.5rem;
        }

        .card-article .card-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.6rem;
            line-height: 1.45;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .card-article:hover .card-title {
            color: var(--color-accent);
        }

        .card-article .card-summary {
            font-size: 0.875rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.8rem;
        }

        .card-article .card-readmore {
            font-weight: 600;
            font-size: 0.875rem;
            color: var(--color-accent);
            transition: color var(--transition-fast);
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .card-article .card-readmore:hover {
            color: #E04A10;
        }

        .card-article .card-readmore::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

        .card-article .card-readmore:hover::after {
            transform: translateX(3px);
        }

        /* 卖点卡片 */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            text-align: center;
            height: 100%;
            border: 1px solid transparent;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 90, 31, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            transition: background var(--transition-fast);
        }

        .feature-card:hover .feature-icon {
            background: rgba(255, 90, 31, 0.2);
        }

        .feature-card .feature-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .feature-card .feature-desc {
            font-size: 0.875rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* Section 标题 */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: 2rem;
            line-height: 1.6;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.5rem;
            }
        }

        /* 深度内容区 */
        .deep-content-block {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-md);
            display: flex;
            gap: 2.5rem;
            align-items: flex-start;
        }

        .deep-content-block .deep-text {
            flex: 1;
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .deep-content-block .deep-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .deep-content-block .deep-text p {
            margin-bottom: 1rem;
        }

        .deep-content-block .deep-image {
            flex-shrink: 0;
            width: 340px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .deep-content-block .deep-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        @media (max-width: 900px) {
            .deep-content-block {
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.5rem;
            }
            .deep-content-block .deep-image {
                width: 100%;
                order: -1;
            }
        }

        /* 数据条 */
        .stat-bar {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow-md);
            min-width: 140px;
            flex: 1;
            max-width: 200px;
            transition: all var(--transition-smooth);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
        }

        @media (max-width: 640px) {
            .stat-bar {
                gap: 1rem;
            }
            .stat-item {
                min-width: 100px;
                padding: 1rem;
                flex: 1 1 40%;
                max-width: none;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* FAQ 手风琴 */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            background: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
            gap: 1rem;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 90, 31, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-slow);
            color: var(--color-accent);
            font-weight: 700;
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-text-light);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }

        /* CTA 区域 */
        .cta-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2a2a2a 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.85rem 2.5rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .cta-btn-large:hover {
            background: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 90, 31, 0.4);
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 2rem 1.2rem;
                border-radius: 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* 页脚 */
        .footer-section {
            background: #1A1A1A;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

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

        .footer-section h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
            line-height: 2.2;
            margin: 0;
        }

        .footer-section ul li {
            margin: 0;
        }

        /* 淡入上移动效 */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: #1A1A1A;
            color: #fff;
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            transform: translateY(100%);
            transition: transform 0.35s ease;
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .sticky-cta-bar .sticky-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 0.55rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sticky-cta-bar .sticky-btn:hover {
            background: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        @media (max-width: 640px) {
            .sticky-cta-bar {
                gap: 0.8rem;
                padding: 0.7rem 1rem;
                flex-direction: column;
                text-align: center;
            }
            .sticky-cta-bar .sticky-btn {
                width: 100%;
                padding: 0.6rem 1rem;
                font-size: 1rem;
            }
        }

        /* 高亮数字 */
        .highlight-num {
            color: var(--color-accent);
            font-weight: 800;
        }

        /* 装饰分隔线 */
        .divider-dot {
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0.5rem 0 1.5rem;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

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

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

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .desktop-only {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .desktop-only {
                display: inline-flex;
            }
        }

        /* Hero区域 */
        .hero-esports {
            min-height: 90vh;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: 80px;
        }

        .hero-esports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.85) 0%, rgba(20, 20, 30, 0.7) 50%, rgba(10, 10, 10, 0.85) 100%);
            z-index: 1;
        }

        .hero-esports-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 1.5rem;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.2rem;
            animation: pulse-badge 2s ease infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 90, 31, 0);
            }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .hero-title span {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            background: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 31, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* 倒计时环 */
        .countdown-ring-wrap {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            margin: 1.5rem 0 2rem;
            flex-wrap: wrap;
        }

        .countdown-item {
            text-align: center;
            color: #fff;
        }

        .countdown-ring {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            border: 3px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            margin: 0 auto 0.4rem;
            animation: ring-glow 2s ease infinite;
            background: rgba(255, 90, 31, 0.08);
        }

        @keyframes ring-glow {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(255, 90, 31, 0.3);
            }
            50% {
                box-shadow: 0 0 28px rgba(255, 90, 31, 0.6);
            }
        }

        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        /* 板块通用 */
        .section-padding {
            padding: 4rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        /* 卡片 */
        .card-esport {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

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

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

        .card-esport-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card-esport-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-tag {
            display: inline-block;
            background: #FFF3ED;
            color: var(--color-accent);
            padding: 0.2rem 0.8rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 0.4rem;
            margin-bottom: 0.4rem;
        }

        .card-tag.green {
            background: #E8F5E9;
            color: #00C853;
        }

        /* 深度内容 */
        .deep-content-block {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 3rem;
            margin: 0 auto;
        }

        .deep-content-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--color-text);
        }

        .deep-content-block p {
            font-size: 1rem;
            line-height: 1.9;
            color: #444;
            margin-bottom: 1.2rem;
        }

        .deep-content-block .highlight-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            display: inline-block;
            margin-right: 0.2rem;
        }

        /* 场景演示 */
        .scene-block {
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            position: relative;
            padding: 5rem 0;
            text-align: center;
        }

        .scene-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 15, 15, 0.8);
            z-index: 1;
        }

        .scene-block-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .scene-block-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .scene-block-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .scene-data-row {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .scene-data-item {
            text-align: center;
        }

        .scene-data-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-accent);
        }

        .scene-data-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* 新闻列表 */
        .news-list-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            margin-bottom: 1rem;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .news-date {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            white-space: nowrap;
            min-width: 90px;
        }

        .news-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-list-item:hover .news-content h4 {
            color: var(--color-accent);
        }

        .news-content p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 0.6rem;
        }

        .news-read-more {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .news-read-more:hover {
            color: #E04A10;
            text-decoration: underline;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafafa;
        }

        .faq-icon {
            font-size: 1.3rem;
            transition: transform var(--transition-slow);
            color: var(--color-accent);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: #555;
            line-height: 1.7;
        }

        /* CTA 区块 */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: 4rem 0;
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 2rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 底部固定转化条 */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            color: #fff;
            padding: 0.9rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            transition: transform var(--transition-slow);
        }

        .sticky-bar-text {
            font-size: 0.95rem;
            font-weight: 500;
        }

        .sticky-bar .btn-primary {
            padding: 0.6rem 1.8rem;
            font-size: 0.9rem;
        }

        /* 页脚 */
        .footer-section {
            background: #0F0F0F;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            margin-bottom: 60px;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .deep-content-block {
                padding: 1.5rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .news-date {
                min-width: auto;
            }
            .scene-data-num {
                font-size: 2rem;
            }
            .countdown-ring {
                width: 55px;
                height: 55px;
                font-size: 1.3rem;
            }
            .sticky-bar {
                flex-direction: column;
                gap: 0.6rem;
                text-align: center;
                padding: 0.7rem 1rem;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .countdown-ring-wrap {
                gap: 0.8rem;
            }
            .countdown-ring {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                border-width: 2px;
            }
            .card-esport-img {
                height: 160px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

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

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

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

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .desktop-only {
            display: inline-block;
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .desktop-only {
                display: none;
            }
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .mobile-menu .nav-cta-btn-mobile {
            background: var(--color-accent);
            color: #ffffff;
            text-align: center;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            margin-top: 1rem;
            display: block;
            font-size: 1rem;
        }

        /* Hero区域 */
        .hero-section {
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            background-attachment: fixed;
            padding-top: 80px;
            padding-bottom: 3rem;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.82) 0%, rgba(15, 15, 15, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 90, 31, 0.15);
            border: 1px solid rgba(255, 90, 31, 0.35);
            color: #FF5A1F;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .hero-benefit-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }

        .hero-benefit-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .hero-benefit-tag .tag-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-green);
            flex-shrink: 0;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 31, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                background-attachment: scroll;
                padding-top: 70px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-benefit-tags {
                gap: 0.5rem;
            }
            .hero-benefit-tag {
                font-size: 0.8rem;
                padding: 0.4rem 0.75rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
        }

        /* 板块通用 */
        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.5rem;
            }
        }

        /* 卡片 */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 2rem;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(255, 90, 31, 0.15);
        }

        .card-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        .card-icon-accent {
            background: rgba(255, 90, 31, 0.1);
            color: var(--color-accent);
        }

        .card-icon-green {
            background: rgba(0, 200, 83, 0.1);
            color: var(--color-green);
        }

        .card-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .card-desc {
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* 深度内容区 */
        .deep-content-block {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 3rem;
            display: flex;
            gap: 2.5rem;
            align-items: flex-start;
        }

        .deep-content-text {
            flex: 1;
            font-size: 1rem;
            line-height: 1.85;
            color: #333;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .deep-content-text p {
            margin-bottom: 1.2rem;
        }

        .deep-content-image {
            flex: 0 0 380px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        @media (max-width: 900px) {
            .deep-content-block {
                flex-direction: column;
                padding: 1.5rem;
            }
            .deep-content-image {
                flex: 0 0 auto;
                width: 100%;
                order: -1;
            }
            .deep-content-image img {
                min-height: 200px;
            }
        }

        /* 场景演示 */
        .scene-demo {
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding: 5rem 0;
            text-align: center;
        }

        .scene-overlay {
            position: absolute;
            inset: 0;
            background: rgba(15, 15, 15, 0.75);
            z-index: 1;
        }

        .scene-content {
            position: relative;
            z-index: 2;
        }

        .scene-stat {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }

        .scene-stat-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            margin-top: 0.3rem;
        }

        @media (max-width: 768px) {
            .scene-demo {
                background-attachment: scroll;
                padding: 3rem 0;
            }
            .scene-stat {
                font-size: 2.5rem;
            }
        }

        /* 社会认同 */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border-left: 4px solid var(--color-accent);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .testimonial-quote {
            font-style: italic;
            color: #444;
            margin-bottom: 1rem;
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        /* 新闻列表 */
        .news-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            align-items: flex-start;
            border: 1px solid transparent;
            margin-bottom: 1rem;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 90, 31, 0.2);
            transform: translateX(2px);
        }

        .news-date {
            flex-shrink: 0;
            background: var(--color-accent);
            color: #ffffff;
            padding: 0.4rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            text-align: center;
            min-width: 90px;
        }

        .news-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .news-item:hover .news-content h4 {
            color: var(--color-accent);
        }

        .news-content p {
            color: var(--color-text-light);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }

        .news-readmore {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .news-readmore:hover {
            color: #E04A10;
            text-decoration: underline;
        }

        @media (max-width: 600px) {
            .news-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .news-date {
                align-self: flex-start;
            }
        }

        /* FAQ手风琴 */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--color-white);
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(255, 90, 31, 0.3);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 1.4rem;
            transition: transform var(--transition-slow);
            flex-shrink: 0;
            margin-left: 1rem;
            color: var(--color-accent);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }

        .faq-answer p {
            color: #444;
            font-size: 0.92rem;
            line-height: 1.75;
            margin: 0;
        }

        /* 固定转化条 */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            color: #ffffff;
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }

        .sticky-bar.visible {
            transform: translateY(0);
        }

        .sticky-bar-text {
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
        }

        .sticky-bar .btn-primary {
            padding: 0.6rem 1.8rem;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        @media (max-width: 600px) {
            .sticky-bar {
                flex-direction: column;
                gap: 0.6rem;
                padding: 0.7rem 1rem;
                text-align: center;
            }
            .sticky-bar .btn-primary {
                width: 100%;
                padding: 0.7rem;
            }
            .sticky-bar-text {
                font-size: 0.9rem;
            }
        }

        /* 页脚 */
        .footer-section {
            background: #0F0F0F;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            margin-bottom: 0;
            padding-bottom: 5rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .footer-section {
                padding: 2rem 0 4rem;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .breadcrumb a {
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #E04A10;
            text-decoration: underline;
        }

        .breadcrumb span {
            margin: 0 0.4rem;
            color: #999;
        }

        /* 品牌介绍区 */
        .brand-intro-block {
            background: var(--color-primary);
            color: #ffffff;
            padding: 3.5rem 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            box-shadow: var(--shadow-xl);
        }

        .brand-intro-block h3 {
            color: #ffffff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .brand-intro-block p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            font-size: 1rem;
            max-width: 800px;
            margin: 0 auto 1rem;
        }

        @media (max-width: 768px) {
            .brand-intro-block {
                padding: 2rem 1.2rem;
            }
            .brand-intro-block h3 {
                font-size: 1.3rem;
            }
            .brand-intro-block p {
                font-size: 0.9rem;
            }
        }

        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.7s ease forwards;
        }

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

        /* 计数动画 */
        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .count-animate {
            animation: countUp 0.8s ease forwards;
        }

/* roulang page: category6 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

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

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

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .desktop-only {
            display: inline-block;
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .mobile-menu .nav-cta-btn-mobile {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            margin-top: 1rem;
            display: block;
            transition: all var(--transition-fast);
        }

        .mobile-menu .nav-cta-btn-mobile:hover {
            background: #E04A10;
            border-color: #E04A10;
        }

        /* Hero区域 */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 15, 0.82) 0%, rgba(26, 26, 26, 0.7) 40%, rgba(15, 15, 15, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            padding: 2rem;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 90, 31, 0.2);
            border: 1px solid rgba(255, 90, 31, 0.5);
            color: #FF9A6C;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .hero-title .accent {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-group-info {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .group-avatars {
            display: flex;
            align-items: center;
        }

        .group-avatar-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid #ffffff;
            background: #ccc;
            margin-left: -8px;
            flex-shrink: 0;
        }

        .group-avatar-dot:first-child {
            margin-left: 0;
        }

        .group-avatar-dot:nth-child(1) {
            background: #FF5A1F;
        }

        .group-avatar-dot:nth-child(2) {
            background: #00C853;
        }

        .group-avatar-dot:nth-child(3) {
            background: #FFB800;
        }

        .group-avatar-dot:nth-child(4) {
            background: #5C6BC0;
        }

        .group-count-text {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .group-count-text .count-num {
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 31, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* 板块通用 */
        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

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

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* 卡片 */
        .card {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-tag {
            display: inline-block;
            background: rgba(0, 200, 83, 0.1);
            color: #009940;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            margin-bottom: 0.6rem;
        }

        .card-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0.5rem;
        }

        .card-title-sm {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .card:hover .card-title-sm {
            color: var(--color-accent);
        }

        .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .card-link:hover {
            color: #E04A10;
            gap: 0.5rem;
        }

        .card-link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

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

        /* 数据统计卡片 */
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            border-left: 4px solid transparent;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-left-color: var(--color-accent);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* 深度内容区 */
        .deep-content-block {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 3rem;
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        .deep-content-text {
            flex: 1;
            min-width: 0;
        }

        .deep-content-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .deep-content-text p {
            font-size: 1rem;
            color: #3D3D3D;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .deep-content-image {
            flex: 0 0 380px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        /* 场景演示 */
        .scene-block {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
        }

        .scene-overlay {
            position: absolute;
            inset: 0;
            background: rgba(15, 15, 15, 0.7);
            z-index: 1;
        }

        .scene-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 2rem;
            color: #ffffff;
        }

        .scene-content h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .scene-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* FAQ手风琴 */
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            gap: 1rem;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F0F0F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: all var(--transition-slow);
            color: #666;
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #ffffff;
            transform: rotate(45deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: #4A4A4A;
            line-height: 1.75;
        }

        /* 底部固定转化条 */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            color: #ffffff;
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
            border-top: 2px solid var(--color-accent);
        }

        .sticky-bar-text {
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }

        .sticky-bar .btn-primary {
            padding: 0.6rem 1.8rem;
            font-size: 0.95rem;
        }

        /* 页脚 */
        .footer-section {
            background: #0F0F0F;
            color: #B0B0B0;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-section a {
            color: #B0B0B0;
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
        }

        .footer-section h4 {
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
            line-height: 2.2;
        }

        .footer-section ul li a {
            font-size: 0.85rem;
        }

        /* 社会认同 */
        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
            min-width: 280px;
            flex-shrink: 0;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .testimonial-quote {
            font-size: 0.95rem;
            color: #3D3D3D;
            line-height: 1.7;
            margin-bottom: 1rem;
            font-style: italic;
            position: relative;
            padding-left: 1.2rem;
            border-left: 3px solid var(--color-accent);
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* 品牌介绍区 */
        .brand-intro-block {
            background: #1A1A1A;
            color: #D0D0D0;
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
        }

        .brand-intro-block h2 {
            color: #ffffff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .brand-intro-block p {
            font-size: 1rem;
            line-height: 1.85;
            max-width: 700px;
            margin: 0 auto 0.8rem;
        }

        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .animate-delay-1 {
            animation-delay: 0.1s;
        }

        .animate-delay-2 {
            animation-delay: 0.2s;
        }

        .animate-delay-3 {
            animation-delay: 0.3s;
        }

        @keyframes pulseGlow {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.4);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(255, 90, 31, 0);
            }
        }

        .btn-pulse {
            animation: pulseGlow 2s infinite;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .deep-content-block {
                flex-direction: column;
                padding: 2rem;
            }

            .deep-content-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
                margin: 0 auto;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

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

            .hamburger-btn {
                display: block;
            }

            .desktop-only {
                display: none;
            }

            .hero-section {
                min-height: 70vh;
                background-attachment: scroll;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .section-padding {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .deep-content-block {
                padding: 1.5rem;
                gap: 1.5rem;
            }

            .deep-content-text h2 {
                font-size: 1.4rem;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .sticky-bar {
                padding: 0.6rem 1rem;
                gap: 0.8rem;
                flex-direction: column;
                text-align: center;
            }

            .sticky-bar-text {
                font-size: 0.9rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary,
            .btn-outline-light {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }

            .container-custom {
                padding: 0 1rem;
            }

            .scene-block {
                min-height: 250px;
            }

            .scene-content h3 {
                font-size: 1.5rem;
            }

            .brand-intro-block {
                padding: 2rem 1.5rem;
            }

            .brand-intro-block h2 {
                font-size: 1.4rem;
            }

            .footer-section .grid {
                gap: 1.5rem;
            }

            .card-body {
                padding: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }

            .hero-section {
                min-height: 60vh;
            }

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

            .deep-content-image {
                max-width: 100%;
            }

            .stat-card {
                padding: 1.5rem 1rem;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .testimonial-card {
                min-width: 240px;
                padding: 1.2rem;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 1rem 1.2rem;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 0.3rem 1rem;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #FF5A1F;
            --color-green: #00C853;
            --color-bg: #F5F5F5;
            --color-white: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-light: #6B7280;
            --color-border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

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

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

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

        /* 导航玻璃效果 */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
        }

        .nav-glass.scrolled {
            background: rgba(26, 26, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .nav-glass.scrolled .nav-link {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-logo-text {
            color: #ffffff;
        }

        .nav-glass.scrolled .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .nav-glass.scrolled .hamburger-line {
            background: #ffffff;
        }

        .nav-glass.scrolled .nav-search-icon {
            color: #ffffff;
        }

        .nav-link {
            color: #1A1A1A;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-accent);
        }

        .nav-link.active-link {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1A1A1A;
            letter-spacing: 0.02em;
            transition: color var(--transition-slow);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .nav-search-icon {
            color: #1A1A1A;
            transition: color var(--transition-slow);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .nav-search-icon:hover {
            color: var(--color-accent);
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #1A1A1A;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-slow);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            color: #ffffff;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: block;
        }

        .mobile-menu .nav-link.active-link {
            color: var(--color-accent);
        }

        /* 卡片 */
        .card-community {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-community:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #E04A10;
            border-color: #E04A10;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #ffffff;
            transform: translateY(-1px);
        }

        /* 话题标签 */
        .topic-tag {
            display: inline-block;
            background: #FFF3ED;
            color: var(--color-accent);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .topic-tag:hover {
            background: var(--color-accent);
            color: #ffffff;
        }

        /* 用户头像占位 */
        .avatar-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF5A1F 0%, #FF8A5C 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* FAQ手风琴 */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            background: var(--color-white);
            overflow: hidden;
            transition: all var(--transition-slow);
        }

        .faq-question {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
            font-size: 1rem;
        }

        .faq-question:hover {
            background: #FAFAFA;
        }

        .faq-icon {
            font-size: 1.4rem;
            transition: transform var(--transition-slow);
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .faq-item.open .faq-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;
            line-height: 1.8;
            color: var(--color-text-light);
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: var(--color-primary);
            color: #ffffff;
            padding: 0.9rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
            flex-wrap: wrap;
        }

        .sticky-cta-bar .cta-text {
            font-size: 1rem;
            font-weight: 500;
        }

        .sticky-cta-bar .btn-primary {
            padding: 0.6rem 1.8rem;
            font-size: 0.95rem;
        }

        /* 页脚 */
        .footer-section {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 1.5rem 1.5rem;
            margin-bottom: 70px;
            line-height: 1.8;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
        }

        /* 动效 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        @keyframes countUp {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .count-number {
            animation: countUp 0.8s ease forwards;
        }

        /* Hero overlay */
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 10, 0.55) 0%, rgba(10, 10, 10, 0.7) 60%, rgba(10, 10, 10, 0.85) 100%);
            z-index: 1;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .desktop-nav-links {
                gap: 1rem;
            }
            .nav-link {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .container-custom {
                padding: 0 1rem;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
                padding: 0.8rem 1rem;
            }
            .sticky-cta-bar .cta-text {
                font-size: 0.9rem;
            }
            .hero-title {
                font-size: 2rem !important;
            }
            .nav-logo-text {
                font-size: 1.15rem;
            }
            .footer-section {
                margin-bottom: 100px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem !important;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
        }