/* roulang page: index */
:root {
            --deep-purple: #1A0B2E;
            --deep-space: #0B0C10;
            --card-bg: rgba(31, 19, 53, 0.8);
            --neon-cyan: #00F0FF;
            --electric-orange: #FF5E1A;
            --white: #ffffff;
            --light-white: #e0e0e0;
            --muted: #9a9aaf;
            --border-glow: rgba(0, 240, 255, 0.15);
            --border-glow-strong: rgba(0, 240, 255, 0.3);
            --card-radius: 8px;
            --btn-radius: 4px;
            --section-gap: 80px;
            --nav-width: 90px;
            --font-heading: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
            --glow-cyan-strong: 0 0 35px rgba(0, 240, 255, 0.7);
            --glow-orange: 0 0 16px rgba(255, 94, 26, 0.4);
            --inset-glow: inset 0 0 15px rgba(0, 240, 255, 0.1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--deep-space);
            color: var(--light-white);
            line-height: 1.7;
            font-weight: 400;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 3px;
            border-radius: 2px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }
        h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--white);
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--white);
        }

        /* ========== 左侧竖向导航（桌面端） ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: #000000;
            border-right: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 20px;
            box-shadow: 1px 0 30px rgba(0, 240, 255, 0.06);
        }
        .side-nav .nav-logo {
            text-align: center;
            writing-mode: vertical-rl;
            text-orientation: mixed;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.06em;
            color: var(--neon-cyan);
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.6);
            line-height: 1.3;
            cursor: pointer;
            transition: text-shadow 0.3s ease;
        }
        .side-nav .nav-logo:hover {
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.9);
        }
        .side-nav .nav-icons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
            flex: 1;
            justify-content: center;
        }
        .side-nav .nav-icon-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(26, 11, 46, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #b0b0c0;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            text-decoration: none;
        }
        .side-nav .nav-icon-btn:hover,
        .side-nav .nav-icon-btn.active {
            color: var(--neon-cyan);
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
            background: rgba(0, 240, 255, 0.08);
        }
        .side-nav .nav-icon-btn.active::after {
            content: '';
            position: absolute;
            right: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--neon-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
        }
        .side-nav .nav-icon-btn .tooltip-text {
            position: absolute;
            left: 62px;
            background: rgba(0, 0, 0, 0.9);
            color: var(--neon-cyan);
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            pointer-events: none;
            opacity: 0;
            transform: translateX(-8px);
            transition: all 0.25s ease;
            border: 1px solid rgba(0, 240, 255, 0.3);
            font-family: var(--font-body);
        }
        .side-nav .nav-icon-btn:hover .tooltip-text {
            opacity: 1;
            transform: translateX(0);
        }
        .side-nav .nav-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .side-nav .nav-login {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 94, 26, 0.15);
            border: 1px solid rgba(255, 94, 26, 0.4);
            color: var(--electric-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .side-nav .nav-login:hover {
            background: var(--electric-orange);
            color: #000;
            box-shadow: var(--glow-orange);
        }

        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-navbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(26, 11, 46, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-navbar .mobile-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--neon-cyan);
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.5);
        }
        .mobile-navbar .hamburger-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .mobile-navbar .hamburger-btn:hover {
            box-shadow: var(--glow-cyan);
            background: rgba(0, 240, 255, 0.15);
        }

        /* 移动端侧滑菜单 */
        .mobile-offcanvas {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: rgba(10, 5, 20, 0.98);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            z-index: 1060;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            border-left: 1px solid rgba(0, 240, 255, 0.25);
            padding: 28px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mobile-offcanvas.open {
            right: 0;
        }
        .mobile-offcanvas .offcanvas-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .mobile-offcanvas .offcanvas-close:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }
        .mobile-offcanvas .mobile-nav-link {
            display: block;
            padding: 14px 18px;
            border-radius: 8px;
            color: #c0c0d0;
            font-size: 1.05rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .mobile-offcanvas .mobile-nav-link:hover,
        .mobile-offcanvas .mobile-nav-link.active {
            color: var(--neon-cyan);
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.06);
            box-shadow: inset 0 0 12px rgba(0, 240, 255, 0.08);
        }
        .mobile-offcanvas .mobile-nav-login {
            margin-top: auto;
            display: block;
            padding: 12px 18px;
            border-radius: 8px;
            color: var(--electric-orange);
            border: 1px solid rgba(255, 94, 26, 0.4);
            text-align: center;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .mobile-offcanvas .mobile-nav-login:hover {
            background: var(--electric-orange);
            color: #000;
        }
        .offcanvas-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1055;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .offcanvas-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== 通用容器 ========== */
        .section-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-spacing {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            .section-spacing {
                padding: 50px 0;
            }
            :root {
                --section-gap: 50px;
            }
        }

        /* ========== 卡片基础 ========== */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--border-glow);
            border-radius: var(--card-radius);
            box-shadow: var(--inset-glow);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all 0.35s ease;
        }
        .glass-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: inset 0 0 22px rgba(0, 240, 255, 0.18), 0 4px 30px rgba(0, 0, 0, 0.5);
            transform: translateY(-3px);
        }

        /* ========== 按钮 ========== */
        .btn-cyan {
            display: inline-block;
            background: var(--neon-cyan);
            color: #000;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            box-shadow: var(--glow-cyan);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            text-decoration: none;
            text-align: center;
        }
        .btn-cyan:hover {
            box-shadow: var(--glow-cyan-strong);
            transform: translateY(-2px);
            color: #000;
        }
        .btn-outline-cyan {
            display: inline-block;
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
            border: 1px solid var(--neon-cyan);
            cursor: pointer;
            transition: all 0.35s ease;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            text-decoration: none;
            text-align: center;
        }
        .btn-outline-cyan:hover {
            background: var(--neon-cyan);
            color: #000;
            box-shadow: var(--glow-cyan);
        }
        .btn-orange {
            display: inline-block;
            background: var(--electric-orange);
            color: #fff;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            box-shadow: var(--glow-orange);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            text-decoration: none;
            text-align: center;
        }
        .btn-orange:hover {
            box-shadow: 0 0 30px rgba(255, 94, 26, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== 标签 ========== */
        .tag-cyan {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.04em;
        }
        .tag-orange {
            display: inline-block;
            background: rgba(255, 94, 26, 0.1);
            color: var(--electric-orange);
            border: 1px solid rgba(255, 94, 26, 0.3);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--deep-space);
        }
        .hero-bg-img {
            position: absolute;
            right: 0;
            top: 0;
            width: 45%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0.1) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0.1) 100%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 11, 46, 0.5) 0%, rgba(11, 12, 16, 0.9) 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            padding: 40px 0;
        }
        .hero-section h1 .underline-orange {
            display: inline-block;
            position: relative;
        }
        .hero-section h1 .underline-orange::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--electric-orange);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(255, 94, 26, 0.6);
        }
        .hero-heat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        /* ========== 数据看板 ========== */
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            position: relative;
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            line-height: 1;
        }
        .stat-card .stat-unit {
            font-size: 1rem;
            color: var(--neon-cyan);
            font-weight: 500;
        }
        .stat-card .stat-label {
            color: var(--muted);
            font-size: 0.85rem;
            margin-top: 6px;
            letter-spacing: 0.04em;
        }
        .stat-card .stat-corner {
            position: absolute;
            top: 8px;
            right: 8px;
            width: 8px;
            height: 8px;
            background: var(--neon-cyan);
            border-radius: 50%;
            box-shadow: 0 0 6px rgba(0, 240, 255, 0.8);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 0.4;
            }
            50% {
                opacity: 1;
            }
        }

        /* ========== 品牌支柱网格 ========== */
        .pillar-card {
            padding: 30px 22px;
            text-align: center;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }
        .pillar-card .pillar-icon {
            font-size: 2.4rem;
            color: var(--neon-cyan);
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.5);
        }
        .pillar-card h4 {
            margin: 0;
            font-size: 1.05rem;
        }
        .pillar-card p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.5;
        }

        /* ========== 案例横流 ========== */
        .horizontal-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 240, 255, 0.3) transparent;
        }
        .horizontal-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .horizontal-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb {
            background: rgba(0, 240, 255, 0.35);
            border-radius: 10px;
        }
        .case-scroll-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--card-radius);
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: all 0.35s ease;
            border: 1px solid var(--border-glow);
        }
        .case-scroll-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
            transform: translateY(-4px);
        }
        .case-scroll-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .case-scroll-card .case-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
            padding: 20px 16px 14px;
            color: #fff;
        }
        .case-scroll-card .case-info h5 {
            margin: 0;
            font-size: 1rem;
            color: var(--neon-cyan);
            font-family: var(--font-heading);
            font-weight: 600;
        }
        .case-scroll-card .case-info p {
            margin: 4px 0 0;
            font-size: 0.8rem;
            color: #ccc;
        }

        /* ========== 合作品牌矩阵 ========== */
        .brand-logo-wall {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 40px;
            padding: 20px 0;
        }
        .brand-logo-item {
            filter: grayscale(100%) brightness(0.7);
            opacity: 0.5;
            transition: all 0.4s ease;
            font-size: 1.6rem;
            font-weight: 700;
            color: #888;
            letter-spacing: 0.05em;
            cursor: default;
            font-family: var(--font-heading);
        }
        .brand-logo-item:hover {
            filter: grayscale(0%) brightness(1);
            opacity: 1;
            color: var(--white);
            text-shadow: 0 0 16px rgba(255, 255, 255, 0.3);
        }

        /* ========== 方案对比表 ========== */
        .pricing-col {
            padding: 32px 20px;
            text-align: center;
            position: relative;
            transition: all 0.35s ease;
        }
        .pricing-col.featured {
            border-color: var(--neon-cyan) !important;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), var(--inset-glow);
            transform: scale(1.03);
            z-index: 2;
            background: rgba(31, 19, 53, 0.95);
        }
        .pricing-col.featured::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--neon-cyan);
            color: #000;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            box-shadow: var(--glow-cyan);
        }
        .pricing-col .price-num {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
        }
        .pricing-col .price-features {
            list-style: none;
            padding: 0;
            margin: 16px 0;
            text-align: left;
            font-size: 0.85rem;
            color: #b0b0c0;
        }
        .pricing-col .price-features li {
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .pricing-col .price-features li i {
            color: var(--neon-cyan);
            margin-right: 6px;
        }

        /* ========== 战队艺人矩阵 ========== */
        .avatar-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 28px;
        }
        .avatar-item {
            text-align: center;
            cursor: pointer;
            transition: all 0.35s ease;
        }
        .avatar-item:hover {
            transform: translateY(-6px);
        }
        .avatar-item .avatar-circle {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            border: 2px solid rgba(0, 240, 255, 0.3);
            overflow: hidden;
            margin: 0 auto 8px;
            transition: all 0.35s ease;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--neon-cyan);
        }
        .avatar-item:hover .avatar-circle {
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
        }
        .avatar-item .avatar-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
        }
        .avatar-item .avatar-tag {
            font-size: 0.75rem;
            color: var(--electric-orange);
            margin-top: 2px;
        }

        /* ========== 评论卡片 ========== */
        .review-masonry {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .review-card {
            padding: 18px;
            border-radius: var(--card-radius);
        }
        .review-card:nth-child(odd) {
            transform: translateY(10px);
        }
        .review-card:nth-child(3n) {
            transform: translateY(-6px);
        }
        .review-card .review-stars {
            color: var(--electric-orange);
            font-size: 0.8rem;
            margin-bottom: 6px;
        }
        .review-card .review-text {
            font-size: 0.85rem;
            color: #c8c8d8;
            line-height: 1.6;
        }
        .review-card .review-author {
            font-size: 0.78rem;
            color: var(--muted);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .review-card .review-author .author-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--neon-cyan);
            display: inline-block;
        }
        @media (max-width: 992px) {
            .review-masonry {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .review-masonry {
                grid-template-columns: 1fr;
            }
            .review-card:nth-child(odd),
            .review-card:nth-child(3n) {
                transform: none;
            }
        }

        /* ========== 行业洞察 ========== */
        .insight-main-img {
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            transition: all 0.35s ease;
        }
        .insight-main-img:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
        }
        .insight-mini-item {
            padding: 12px 14px;
            margin-bottom: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 6px;
            border-left: 3px solid transparent;
        }
        .insight-mini-item:hover {
            border-left-color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.04);
        }
        .insight-mini-item h6 {
            margin: 0;
            font-size: 0.9rem;
            color: #fff;
            font-family: var(--font-body);
            font-weight: 500;
        }
        .insight-mini-item .insight-meta {
            font-size: 0.75rem;
            color: var(--muted);
            margin-top: 4px;
        }

        /* ========== CTA横幅 ========== */
        .cta-banner {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            padding: 80px 0;
            text-align: center;
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--border-glow);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 16, 0.8);
            z-index: 0;
        }
        .cta-banner .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            color: var(--neon-cyan);
        }

        /* ========== 赛事日历表格 ========== */
        .table-esports {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .table-esports thead th {
            background: var(--deep-purple);
            color: var(--neon-cyan);
            padding: 14px 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            border-bottom: 2px solid rgba(0, 240, 255, 0.3);
            font-family: var(--font-heading);
            text-align: left;
        }
        .table-esports tbody td {
            padding: 13px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: #d0d0e0;
            vertical-align: middle;
        }
        .table-esports tbody tr {
            transition: all 0.3s ease;
        }
        .table-esports tbody tr:hover {
            background: rgba(0, 240, 255, 0.04);
        }
        .table-esports tbody tr.row-highlight {
            background: rgba(255, 94, 26, 0.12);
            border-left: 3px solid var(--electric-orange);
        }
        .table-esports .status-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .status-live {
            background: rgba(255, 94, 26, 0.2);
            color: var(--electric-orange);
            border: 1px solid rgba(255, 94, 26, 0.4);
            animation: pulse-status 1.5s infinite;
        }
        .status-upcoming {
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }
        .status-ended {
            background: rgba(150, 150, 170, 0.1);
            color: #888;
            border: 1px solid rgba(150, 150, 170, 0.3);
        }
        @keyframes pulse-status {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .table-responsive-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--card-radius);
            border: 1px solid var(--border-glow);
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-accordion .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 6px;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
            background: rgba(31, 19, 53, 0.5);
        }
        .faq-accordion .faq-item.active {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
        }
        .faq-accordion .faq-header {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #e0e0f0;
            transition: all 0.3s ease;
            user-select: none;
            position: relative;
        }
        .faq-accordion .faq-item.active .faq-header {
            color: var(--neon-cyan);
            border-left: 3px solid var(--electric-orange);
            padding-left: 17px;
        }
        .faq-accordion .faq-header .faq-arrow {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            color: var(--neon-cyan);
        }
        .faq-accordion .faq-item.active .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-accordion .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: #b0b0c0;
            line-height: 1.7;
        }
        .faq-accordion .faq-item.active .faq-body {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #06040d;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 50px 0 30px;
            color: #888;
            font-size: 0.85rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer .footer-col h5 {
            color: var(--neon-cyan);
            font-family: var(--font-heading);
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .site-footer .footer-col a {
            display: block;
            color: #999;
            padding: 4px 0;
            font-size: 0.82rem;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .site-footer .footer-col a:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            line-height: 2;
        }
        .site-footer .footer-bottom span {
            margin: 0 8px;
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .side-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 62px;
            }
            .mobile-navbar {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero-bg-img {
                width: 100%;
                opacity: 0.3;
                mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.9) 20%, rgba(0, 0, 0, 0.1) 80%);
                -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.9) 20%, rgba(0, 0, 0, 0.1) 80%);
            }
            .pricing-col.featured {
                transform: scale(1);
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .brand-logo-wall {
                gap: 20px;
            }
            .brand-logo-item {
                font-size: 1.2rem;
            }
            .avatar-item .avatar-circle {
                width: 65px;
                height: 65px;
                font-size: 1.5rem;
            }
            .horizontal-scroll .case-scroll-card {
                flex: 0 0 240px;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .section-container {
                padding: 0 14px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .pricing-col {
                padding: 20px 14px;
            }
            .pricing-col .price-num {
                font-size: 1.6rem;
            }
            .hero-section {
                min-height: 70vh;
            }
            .btn-cyan,
            .btn-outline-cyan,
            .btn-orange {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .table-esports {
                font-size: 0.75rem;
            }
            .table-esports thead th,
            .table-esports tbody td {
                padding: 8px 6px;
            }
            .avatar-grid {
                gap: 16px;
            }
            .avatar-item .avatar-circle {
                width: 55px;
                height: 55px;
                font-size: 1.2rem;
            }
        }

        /* ========== 装饰粒子 ========== */
        .decor-dots {
            position: absolute;
            pointer-events: none;
            z-index: 0;
            opacity: 0.25;
        }
        .decor-dots::before {
            content: '';
            display: block;
            width: 120px;
            height: 120px;
            background-image: radial-gradient(circle, rgba(0, 240, 255, 0.5) 1px, transparent 1px);
            background-size: 16px 16px;
        }

        /* ========== 分隔线 ========== */
        .divider-glow {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-orange));
            border-radius: 2px;
            margin: 0 auto 20px;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
        }

/* roulang page: category1 */
:root {
            --deep-purple: #1A0B2E;
            --deep-space: #0B0C10;
            --card-bg: rgba(31, 19, 53, 0.8);
            --card-border: rgba(0, 240, 255, 0.15);
            --neon-cyan: #00F0FF;
            --electric-orange: #FF5E1A;
            --white: #ffffff;
            --light-white: #e0e0e0;
            --muted: #8a8a9a;
            --dark-panel: #1F1335;
            --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
            --glow-orange: 0 0 18px rgba(255, 94, 26, 0.35);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --side-nav-width: 90px;
            --mobile-nav-height: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--deep-space);
            color: var(--light-white);
            line-height: 1.7;
            font-weight: 400;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 20% 15%, rgba(0, 240, 255, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 40%, rgba(255, 94, 26, 0.02) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(26, 11, 46, 0.5) 0%, transparent 50%);
            background-attachment: fixed;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
            margin-top: 0;
        }
        h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--white);
            font-weight: 600;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--white);
            font-weight: 600;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--light-white);
        }

        /* ============ 左侧竖向导航 ============ */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: #000000;
            border-right: 1px solid rgba(0, 240, 255, 0.18);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 24px 0 20px;
            z-index: 1050;
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.6);
        }
        .side-nav .nav-logo {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-align: center;
            line-height: 1.2;
            margin-bottom: 32px;
            letter-spacing: 1px;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
            transition: text-shadow var(--transition-fast);
            writing-mode: vertical-rl;
            text-orientation: upright;
            padding: 8px 0;
        }
        .side-nav .nav-logo:hover {
            text-shadow: 0 0 22px rgba(0, 240, 255, 0.8);
            color: var(--neon-cyan);
        }
        .nav-icons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
            flex: 1;
        }
        .nav-icon-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(31, 19, 53, 0.5);
            border: 1px solid rgba(0, 240, 255, 0.12);
            color: #888;
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
            position: relative;
            cursor: pointer;
        }
        .nav-icon-btn:hover {
            color: var(--neon-cyan);
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
            background: rgba(0, 240, 255, 0.08);
            transform: translateY(-2px);
        }
        .nav-icon-btn.active {
            color: var(--neon-cyan);
            border-color: var(--neon-cyan);
            box-shadow: var(--glow-cyan);
            background: rgba(0, 240, 255, 0.12);
        }
        .nav-icon-btn .tooltip-text {
            position: absolute;
            left: 60px;
            background: var(--dark-panel);
            color: var(--white);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            white-space: nowrap;
            pointer-events: none;
            opacity: 0;
            transform: translateX(-8px);
            transition: all var(--transition-fast);
            border: 1px solid rgba(0, 240, 255, 0.25);
            z-index: 10;
        }
        .nav-icon-btn:hover .tooltip-text {
            opacity: 1;
            transform: translateX(0);
        }
        .nav-bottom {
            margin-top: auto;
        }
        .nav-login {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 94, 26, 0.15);
            border: 1px solid rgba(255, 94, 26, 0.3);
            color: var(--electric-orange);
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .nav-login:hover {
            box-shadow: var(--glow-orange);
            background: rgba(255, 94, 26, 0.25);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ============ 移动端顶部导航 ============ */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-nav-height);
            background: rgba(10, 6, 20, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1060;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
        }
        .mobile-top-nav .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            letter-spacing: 1px;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
        }
        .mobile-hamburger {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-sm);
            background: rgba(31, 19, 53, 0.6);
            color: var(--neon-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-hamburger:hover {
            box-shadow: var(--glow-cyan);
            border-color: var(--neon-cyan);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 1055;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 40px 20px;
        }
        .mobile-overlay.show {
            display: flex;
        }
        .mobile-overlay a {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            color: #bbb;
            letter-spacing: 1px;
            padding: 12px 28px;
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            text-align: center;
        }
        .mobile-overlay a:hover,
        .mobile-overlay a.active {
            color: var(--neon-cyan);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--glow-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .mobile-overlay .mobile-login-btn {
            color: var(--electric-orange);
            border-color: rgba(255, 94, 26, 0.4);
            margin-top: 8px;
        }
        .mobile-overlay .mobile-login-btn:hover {
            box-shadow: var(--glow-orange);
            background: rgba(255, 94, 26, 0.1);
        }

        /* ============ 主内容区 ============ */
        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
        }
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section-spacing {
            padding: 80px 0;
        }
        .section-spacing-sm {
            padding: 50px 0;
        }

        /* ============ Hero ============ */
        .hero-banner {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 12, 16, 0.88) 0%, rgba(26, 11, 46, 0.7) 50%, rgba(11, 12, 16, 0.85) 100%);
            z-index: 1;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 94, 26, 0.04) 0%, transparent 50%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
        }
        .hero-content .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.35);
            color: var(--neon-cyan);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .hero-content h1 {
            margin-bottom: 16px;
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
            position: relative;
        }
        .hero-content h1::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--electric-orange);
            margin-top: 14px;
            border-radius: 2px;
            box-shadow: 0 0 16px rgba(255, 94, 26, 0.5);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: #c0c0d0;
            margin-bottom: 28px;
            max-width: 600px;
            line-height: 1.8;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-tags span {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #ccc;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }
        .hero-tags span:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        /* ============ 按钮 ============ */
        .btn-cyan {
            display: inline-block;
            background: var(--neon-cyan);
            color: var(--deep-space);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-family: var(--font-heading);
            font-size: 1rem;
            letter-spacing: 1px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-smooth);
            text-transform: uppercase;
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
        }
        .btn-cyan:hover {
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: var(--deep-space);
            background: #33f5ff;
        }
        .btn-outline-cyan {
            display: inline-block;
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--neon-cyan);
            cursor: pointer;
            font-family: var(--font-heading);
            font-size: 0.95rem;
            letter-spacing: 1px;
            transition: all var(--transition-smooth);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
        }
        .btn-outline-cyan:hover {
            background: var(--neon-cyan);
            color: var(--deep-space);
            box-shadow: var(--glow-cyan);
            transform: translateY(-2px);
        }
        .btn-orange {
            display: inline-block;
            background: var(--electric-orange);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-family: var(--font-heading);
            font-size: 1rem;
            letter-spacing: 1px;
            box-shadow: 0 0 20px rgba(255, 94, 26, 0.4);
            transition: all var(--transition-smooth);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
        }
        .btn-orange:hover {
            box-shadow: 0 0 35px rgba(255, 94, 26, 0.7);
            transform: translateY(-2px);
            color: #fff;
            background: #ff7535;
        }

        /* ============ 板块标题 ============ */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--electric-orange);
            margin: 10px auto 0;
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(255, 94, 26, 0.4);
        }
        .section-header .section-subtitle {
            color: var(--muted);
            font-size: 0.95rem;
            max-width: 550px;
            margin: 0 auto;
        }

        /* ============ 卡片基础 ============ */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            box-shadow: inset 0 0 15px rgba(0, 240, 255, 0.06);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.12), 0 8px 30px rgba(0, 0, 0, 0.4);
            transform: translateY(-4px);
        }

        /* ============ 服务详情列表 ============ */
        .service-list-item {
            display: flex;
            gap: 22px;
            padding: 28px 24px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .service-list-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--neon-cyan);
            border-radius: 0 3px 3px 0;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .service-list-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.08), 0 6px 24px rgba(0, 0, 0, 0.3);
        }
        .service-list-item:hover::before {
            opacity: 1;
        }
        .service-icon-wrap {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--neon-cyan);
        }
        .service-detail h4 {
            margin-bottom: 6px;
            color: var(--white);
        }
        .service-detail p {
            color: #b0b0c0;
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }
        .service-detail .case-link {
            display: inline-block;
            margin-top: 8px;
            color: var(--neon-cyan);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }
        .service-detail .case-link:hover {
            color: var(--electric-orange);
        }
        .service-detail .case-link i {
            margin-left: 4px;
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .service-detail .case-link:hover i {
            transform: translateX(3px);
        }

        /* ============ 案例瀑布卡片 ============ */
        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            box-shadow: inset 0 0 12px rgba(0, 240, 255, 0.04);
        }
        .case-card:hover {
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: inset 0 0 22px rgba(0, 240, 255, 0.1), 0 8px 28px rgba(0, 0, 0, 0.5);
            transform: translateY(-5px);
        }
        .case-card .case-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .case-card .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.06);
        }
        .case-card .case-body {
            padding: 20px;
        }
        .case-card .case-body h4 {
            color: var(--white);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .case-card .case-body p {
            color: #aaa;
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .case-tags .tag {
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--neon-cyan);
        }
        .case-tags .tag.orange-tag {
            background: rgba(255, 94, 26, 0.08);
            border-color: rgba(255, 94, 26, 0.25);
            color: var(--electric-orange);
        }

        /* ============ 数据看板卡片 ============ */
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: inset 0 0 14px rgba(0, 240, 255, 0.04);
            position: relative;
        }
        .stat-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: inset 0 0 28px rgba(0, 240, 255, 0.1), 0 6px 22px rgba(0, 0, 0, 0.4);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--neon-cyan);
            margin-bottom: 10px;
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            color: var(--muted);
            font-size: 0.82rem;
            letter-spacing: 0.5px;
        }
        .stat-card .stat-trend {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.75rem;
            padding: 2px 10px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.08);
            color: var(--neon-cyan);
            font-weight: 500;
        }

        /* ============ 价格对比表 ============ */
        .pricing-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            box-shadow: inset 0 0 14px rgba(0, 240, 255, 0.03);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5);
        }
        .pricing-card.featured {
            border-color: rgba(255, 94, 26, 0.5);
            box-shadow: 0 0 30px rgba(255, 94, 26, 0.2), inset 0 0 25px rgba(255, 94, 26, 0.05);
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-5px);
            box-shadow: 0 0 50px rgba(255, 94, 26, 0.35);
            border-color: rgba(255, 94, 26, 0.7);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--electric-orange);
            color: #fff;
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            box-shadow: 0 0 16px rgba(255, 94, 26, 0.5);
        }
        .pricing-card h4 {
            font-size: 1.2rem;
            color: var(--white);
            margin-bottom: 16px;
        }
        .pricing-card .price {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--neon-cyan);
            margin-bottom: 4px;
        }
        .pricing-card.featured .price {
            color: var(--electric-orange);
            text-shadow: 0 0 20px rgba(255, 94, 26, 0.4);
        }
        .pricing-card .price-unit {
            color: var(--muted);
            font-size: 0.8rem;
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 20px 0;
            text-align: left;
            flex: 1;
        }
        .pricing-features li {
            padding: 7px 0;
            font-size: 0.85rem;
            color: #c0c0d0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li i {
            color: var(--neon-cyan);
            font-size: 0.75rem;
        }
        .pricing-features li.disabled-feat {
            color: #666;
            text-decoration: line-through;
            opacity: 0.6;
        }
        .pricing-features li.disabled-feat i {
            color: #555;
        }
        .pricing-card .btn-wrap {
            margin-top: auto;
            padding-top: 16px;
        }

        /* ============ CTA横幅 ============ */
        .cta-banner {
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.9) 0%, rgba(11, 12, 16, 0.95) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: inset 0 0 40px rgba(0, 240, 255, 0.05);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.04) 0%, transparent 60%);
            animation: ctaPulse 6s ease-in-out infinite;
        }
        @keyframes ctaPulse {
            0%,
            100% {
                transform: translate(0, 0);
            }
            50% {
                transform: translate(20px, -20px);
            }
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: #b0b0c0;
            margin-bottom: 24px;
            font-size: 1rem;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: rgba(31, 19, 53, 0.5);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--white);
            transition: color var(--transition-fast);
            user-select: none;
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--neon-cyan);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: #b0b0c0;
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 22px;
            border-top-color: rgba(0, 240, 255, 0.15);
        }
        .faq-item.open {
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: inset 0 0 18px rgba(0, 240, 255, 0.06);
        }
        .faq-item.open .faq-indicator {
            width: 3px;
            background: var(--electric-orange);
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            border-radius: 0 3px 3px 0;
        }

        /* ============ 评论区块 ============ */
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-smooth);
            box-shadow: inset 0 0 10px rgba(0, 240, 255, 0.03);
        }
        .review-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.08), 0 6px 20px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }
        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .review-card .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            border: 2px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .review-card .review-stars {
            color: var(--electric-orange);
            font-size: 0.8rem;
            letter-spacing: 1px;
        }
        .review-card .review-name {
            font-weight: 600;
            color: var(--white);
            font-size: 0.9rem;
        }
        .review-card .review-tag {
            font-size: 0.72rem;
            color: var(--muted);
        }
        .review-card .review-body {
            color: #b8b8c8;
            font-size: 0.88rem;
            line-height: 1.7;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #06060a;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 50px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h5 {
            color: var(--neon-cyan);
            margin-bottom: 14px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: #888;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: all var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
            font-size: 0.8rem;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom span {
            margin: 0 4px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .section-spacing {
                padding: 50px 0;
            }
            .service-list-item {
                flex-direction: column;
                gap: 14px;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1.02) translateY(-5px);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--mobile-nav-height);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-banner {
                min-height: 380px;
            }
            .hero-content h1::after {
                width: 50px;
                height: 3px;
            }
            .section-container {
                padding: 0 16px;
            }
            .section-spacing {
                padding: 36px 0;
            }
            .section-spacing-sm {
                padding: 28px 0;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1.01) translateY(-4px);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .case-card .case-img-wrap {
                height: 160px;
            }
            .cta-banner {
                padding: 36px 18px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .hero-banner {
                min-height: 300px;
            }
            .hero-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
                text-align: center;
            }
            .hero-tags span {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .btn-cyan,
            .btn-orange,
            .btn-outline-cyan {
                font-size: 0.85rem;
                padding: 11px 22px;
            }
            .review-card {
                padding: 16px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

/* roulang page: category2 */
:root {
            --deep-purple: #1A0B2E;
            --deep-black: #0B0C10;
            --neon-cyan: #00F0FF;
            --electric-orange: #FF5E1A;
            --card-bg: rgba(31, 19, 53, 0.75);
            --card-bg-solid: #1F1335;
            --card-border: rgba(0, 240, 255, 0.18);
            --card-glow: inset 0 0 18px rgba(0, 240, 255, 0.08);
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.78);
            --text-muted: rgba(255, 255, 255, 0.48);
            --nav-width: 90px;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-glow-cyan: 0 0 26px rgba(0, 240, 255, 0.35);
            --shadow-glow-orange: 0 0 22px rgba(255, 94, 26, 0.3);
            --section-gap: 90px;
            --section-gap-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            color: var(--text-primary);
            background-color: var(--deep-black);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 20% 15%, rgba(26, 11, 46, 0.7) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 60%, rgba(0, 240, 255, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 40% 85%, rgba(255, 94, 26, 0.03) 0%, transparent 50%);
            background-attachment: fixed;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (min-width: 1400px) {
            .section-container {
                max-width: 1280px;
            }
        }

        /* ========== 桌面端侧边导航 ========== */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: #06050A;
            border-right: 1px solid rgba(0, 240, 255, 0.12);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            padding: 22px 0 18px;
            z-index: 1050;
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.6);
            transition: transform var(--transition-smooth);
        }
        .side-nav .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-align: center;
            line-height: 1.25;
            letter-spacing: 0.04em;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.5);
            writing-mode: horizontal-tb;
            word-break: keep-all;
        }
        .side-nav .nav-logo:hover {
            color: #fff;
            text-shadow: 0 0 24px rgba(0, 240, 255, 0.8);
            background: rgba(0, 240, 255, 0.08);
        }
        .nav-icons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            flex: 1;
            justify-content: center;
        }
        .nav-icon-btn {
            position: relative;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.55);
            font-size: 1.15rem;
            transition: all var(--transition-smooth);
            background: transparent;
            border: 1.5px solid transparent;
        }
        .nav-icon-btn:hover {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.25);
        }
        .nav-icon-btn.active {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.12);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.4);
        }
        .nav-icon-btn .tooltip-text {
            position: absolute;
            left: 62px;
            background: var(--card-bg-solid);
            color: #fff;
            font-size: 0.75rem;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            pointer-events: none;
            opacity: 0;
            transform: translateX(-6px);
            transition: all var(--transition-fast);
            border: 1px solid var(--card-border);
            font-family: var(--font-body);
            letter-spacing: 0.03em;
        }
        .nav-icon-btn:hover .tooltip-text {
            opacity: 1;
            transform: translateX(0);
        }
        .nav-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .nav-login {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-login:hover {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: rgba(10, 5, 20, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
        }
        .mobile-top-nav .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
            letter-spacing: 0.04em;
        }
        .hamburger-btn {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
        }
        .hamburger-btn:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            padding-top: 0;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 12, 16, 0.88) 0%, rgba(26, 11, 46, 0.78) 40%, rgba(11, 12, 16, 0.9) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 70% 70%, rgba(255, 94, 26, 0.06) 0%, transparent 40%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding: 60px 0;
            width: 100%;
        }
        .hero-content .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border: 1px solid rgba(0, 240, 255, 0.4);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--neon-cyan);
            letter-spacing: 0.06em;
            background: rgba(0, 240, 255, 0.06);
            margin-bottom: 20px;
            font-family: var(--font-heading);
            text-transform: uppercase;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .hero-content h1 .highlight {
            color: var(--neon-cyan);
            text-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
            position: relative;
        }
        .hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--electric-orange);
            border-radius: 2px;
            box-shadow: 0 0 16px rgba(255, 94, 26, 0.6);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .btn-cta-primary {
            display: inline-block;
            padding: 13px 32px;
            background: var(--neon-cyan);
            color: var(--deep-black);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.4);
            text-transform: uppercase;
            font-family: var(--font-heading);
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-cta-primary:hover {
            box-shadow: 0 0 44px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: var(--deep-black);
            background: #33f5ff;
        }
        .btn-cta-outline {
            display: inline-block;
            padding: 12px 30px;
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            border: 1.5px solid var(--neon-cyan);
            text-transform: uppercase;
            font-family: var(--font-heading);
            cursor: pointer;
            text-decoration: none;
            margin-left: 14px;
        }
        .btn-cta-outline:hover {
            background: var(--neon-cyan);
            color: var(--deep-black);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
            border-color: var(--neon-cyan);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-alt {
            padding: var(--section-gap) 0;
            background: rgba(26, 11, 46, 0.35);
            border-top: 1px solid rgba(0, 240, 255, 0.06);
            border-bottom: 1px solid rgba(0, 240, 255, 0.06);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
            text-align: center;
        }
        .section-title .accent {
            color: var(--neon-cyan);
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* ========== 课程卡片网格 ========== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .course-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--card-glow);
        }
        .course-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, transparent 50%, rgba(0, 240, 255, 0.07) 50%);
            border-radius: 0 0 0 40px;
            transition: all var(--transition-smooth);
        }
        .course-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.15), var(--card-glow);
            transform: translateY(-4px);
        }
        .course-card:hover::before {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, transparent 50%, rgba(0, 240, 255, 0.12) 50%);
        }
        .course-card .course-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            margin-bottom: 18px;
            transition: all var(--transition-fast);
        }
        .course-card:hover .course-icon {
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.14);
        }
        .course-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .course-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .course-card .course-meta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .course-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.75rem;
            border-radius: 14px;
            font-weight: 500;
            letter-spacing: 0.03em;
            background: rgba(255, 94, 26, 0.12);
            color: var(--electric-orange);
            border: 1px solid rgba(255, 94, 26, 0.25);
        }
        .course-tag.cyan {
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        .course-card .course-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== 师资矩阵 ========== */
        .mentor-scroll-wrapper {
            position: relative;
            overflow: hidden;
        }
        .mentor-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scroll-behavior: smooth;
            padding: 10px 0 20px;
            -ms-overflow-style: none;
            scrollbar-width: none;
            cursor: grab;
        }
        .mentor-scroll::-webkit-scrollbar {
            display: none;
        }
        .mentor-scroll:active {
            cursor: grabbing;
        }
        .mentor-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--card-glow);
            position: relative;
        }
        .mentor-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.18), var(--card-glow);
            transform: translateY(-4px);
        }
        .mentor-card .mentor-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 14px;
            border: 2px solid rgba(0, 240, 255, 0.35);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
        }
        .mentor-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }
        .mentor-card .mentor-tag {
            font-size: 0.78rem;
            color: var(--neon-cyan);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .mentor-card .mentor-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .scroll-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(31, 19, 53, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 5;
            transition: all var(--transition-fast);
            backdrop-filter: blur(8px);
        }
        .scroll-arrow:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
        }
        .scroll-arrow-left {
            left: -8px;
        }
        .scroll-arrow-right {
            right: -8px;
        }

        /* ========== 数据卡片 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--card-glow);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 3px;
            background: var(--neon-cyan);
            border-radius: 2px;
            opacity: 0;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.14);
            transform: translateY(-3px);
        }
        .stat-card:hover::after {
            opacity: 1;
            width: 60px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-shadow: 0 0 22px rgba(0, 240, 255, 0.4);
            letter-spacing: 0.04em;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== 评论模块 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .review-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            box-shadow: var(--card-glow);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .review-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
        }
        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .review-card .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 0.9rem;
            flex-shrink: 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .review-card .review-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
        }
        .review-card .review-role {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .review-card .review-stars {
            color: var(--electric-orange);
            font-size: 0.75rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .review-card .review-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: rgba(31, 19, 53, 0.4);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
        }
        .faq-item.open {
            border-color: rgba(0, 240, 255, 0.6);
            border-left: 3px solid var(--electric-orange);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.1);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            letter-spacing: 0.03em;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item.open .faq-question {
            color: var(--neon-cyan);
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--neon-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA横幅 ========== */
        .cta-banner {
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.9) 0%, rgba(11, 12, 16, 0.95) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.06);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 140%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.06) 0%, transparent 60%);
            pointer-events: none;
            animation: ctaPulse 6s ease-in-out infinite;
        }
        @keyframes ctaPulse {
            0%,
            100% {
                opacity: 0.4;
            }
            50% {
                opacity: 1;
            }
        }
        .cta-banner h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.04em;
        }
        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .cta-banner .btn-cta-primary {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 15px 40px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #06050A;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-col h5 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-col a:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 2;
        }
        .footer-bottom span {
            margin: 0 4px;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .section-block,
            .section-block-alt {
                padding: 64px 0;
            }
        }

        @media (max-width: 991px) {
            .side-nav {
                transform: translateX(-100%);
                width: 260px;
                border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
                box-shadow: 8px 0 40px rgba(0, 0, 0, 0.7);
                z-index: 1055;
            }
            .side-nav.mobile-open {
                transform: translateX(0);
            }
            .side-nav .nav-icons {
                flex-direction: column;
                gap: 6px;
            }
            .side-nav .nav-icon-btn {
                width: 44px;
                height: 44px;
                border-radius: var(--radius-md);
                justify-content: flex-start;
                padding-left: 16px;
                width: auto;
                gap: 12px;
                font-size: 1rem;
            }
            .side-nav .nav-icon-btn .tooltip-text {
                position: static;
                opacity: 1;
                transform: none;
                background: transparent;
                border: none;
                padding: 0;
                color: rgba(255, 255, 255, 0.7);
                font-size: 0.9rem;
                white-space: normal;
            }
            .side-nav .nav-logo {
                font-size: 1.2rem;
                padding: 10px 16px;
            }
            .side-nav .nav-bottom {
                padding: 0 16px;
                width: 100%;
            }
            .side-nav .nav-login {
                width: auto;
                border-radius: var(--radius-md);
                padding: 10px 16px;
                gap: 8px;
                justify-content: flex-start;
                font-size: 0.9rem;
            }
            .side-nav .nav-login::after {
                content: '登录 / 注册';
                color: rgba(255, 255, 255, 0.6);
                font-size: 0.85rem;
            }

            .mobile-top-nav {
                display: flex;
            }
            .mobile-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .hero-section {
                min-height: 420px;
                background-attachment: scroll;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
                display: block;
                text-align: center;
            }
            .course-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .mentor-card {
                flex: 0 0 180px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-block,
            .section-block-alt {
                padding: 50px 0;
            }
            .scroll-arrow {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .course-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero-section {
                min-height: 340px;
            }
            .section-container {
                padding: 0 16px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-block,
            .section-block-alt {
                padding: 40px 0;
            }
            .mentor-card {
                flex: 0 0 155px;
            }
            .course-card {
                padding: 20px 16px;
            }
            .course-card h3 {
                font-size: 1.1rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.88rem;
            }
            .btn-cta-primary {
                padding: 10px 22px;
                font-size: 0.82rem;
            }
            .btn-cta-outline {
                padding: 10px 22px;
                font-size: 0.82rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .course-grid {
                grid-template-columns: 1fr;
            }
            .mentor-card {
                flex: 0 0 140px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .nav-icon-btn .tooltip-text {
                font-size: 0.78rem;
            }
            .footer-bottom {
                font-size: 0.72rem;
            }
        }

/* roulang page: category4 */
:root {
            --deep-purple: #1A0B2E;
            --deep-space: #0B0C10;
            --card-bg: rgba(31, 19, 53, 0.8);
            --neon-cyan: #00F0FF;
            --electric-orange: #FF5E1A;
            --white: #ffffff;
            --light-white: #e0e0e0;
            --muted: #9b8eaa;
            --border-glow: rgba(0, 240, 255, 0.15);
            --border-glow-strong: rgba(0, 240, 255, 0.35);
            --card-inner-glow: inset 0 0 15px rgba(0, 240, 255, 0.1);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.4);
            --shadow-neon-lg: 0 0 40px rgba(0, 240, 255, 0.6);
            --shadow-orange: 0 0 18px rgba(255, 94, 26, 0.35);
            --nav-width: 90px;
            --section-gap: 90px;
            --font-heading: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            color: var(--light-white);
            background-color: var(--deep-space);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--neon-cyan);
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-top: 0;
        }

        h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            position: relative;
            display: inline-block;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 60%;
            height: 3px;
            background: var(--electric-orange);
            border-radius: 2px;
        }
        h2 {
            font-size: 2.2rem;
            font-weight: 600;
            color: var(--white);
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--white);
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--white);
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section-gap {
            margin-bottom: var(--section-gap);
        }

        .text-neon {
            color: var(--neon-cyan);
        }
        .text-orange {
            color: var(--electric-orange);
        }
        .text-muted {
            color: var(--muted);
        }
        .bg-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            box-shadow: var(--card-inner-glow);
        }

        /* ============ SIDE NAVIGATION (Desktop) ============ */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: #080510;
            border-right: 1px solid rgba(0, 240, 255, 0.2);
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 24px 0;
            z-index: 1050;
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.6);
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--neon-cyan);
            text-align: center;
            letter-spacing: 0.04em;
            margin-bottom: 36px;
            transition: text-shadow 0.3s ease;
            display: block;
            line-height: 1.3;
        }
        .nav-logo:hover {
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.7);
            color: var(--neon-cyan);
        }
        .nav-icons {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .nav-icon-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #aaa;
            position: relative;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            background: transparent;
            cursor: pointer;
        }
        .nav-icon-btn:hover {
            color: var(--neon-cyan);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.06);
        }
        .nav-icon-btn.active {
            color: var(--neon-cyan);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
            background: rgba(0, 240, 255, 0.1);
        }
        .tooltip-text {
            position: absolute;
            left: 62px;
            background: #1F1335;
            color: var(--white);
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            white-space: nowrap;
            pointer-events: none;
            opacity: 0;
            transform: translateX(-6px);
            transition: all 0.25s ease;
            border: 1px solid var(--border-glow);
            z-index: 10;
        }
        .nav-icon-btn:hover .tooltip-text {
            opacity: 1;
            transform: translateX(0);
        }
        .nav-bottom {
            margin-top: auto;
        }
        .nav-login {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #888;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.3s ease;
            background: transparent;
            cursor: pointer;
        }
        .nav-login:hover {
            color: var(--electric-orange);
            border-color: var(--electric-orange);
            box-shadow: 0 0 16px rgba(255, 94, 26, 0.3);
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ============ MOBILE TOP NAV ============ */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1049;
            background: rgba(26, 11, 46, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glow);
            padding: 10px 18px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--neon-cyan);
            letter-spacing: 0.03em;
        }
        .hamburger-btn {
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #ccc;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .hamburger-btn:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(8, 5, 16, 0.97);
            z-index: 1060;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 22px;
        }
        .mobile-menu-overlay.show {
            display: flex;
        }
        .mobile-menu-overlay a {
            font-size: 1.3rem;
            color: #ccc;
            font-weight: 600;
            transition: all 0.3s ease;
            padding: 8px 20px;
            border-radius: var(--radius-md);
        }
        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            color: var(--neon-cyan);
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.5);
        }
        .mobile-menu-close {
            position: absolute;
            top: 18px;
            right: 22px;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .mobile-menu-close:hover {
            border-color: var(--electric-orange);
            color: var(--electric-orange);
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(180deg, rgba(26, 11, 46, 0.9) 0%, rgba(11, 12, 16, 0.85) 60%, var(--deep-space) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            border-bottom: 1px solid var(--border-glow);
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-section .section-container {
            position: relative;
            z-index: 2;
        }
        .hero-overlay-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.06) 0%, transparent 55%),
                radial-gradient(circle at 70% 60%, rgba(255, 94, 26, 0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: 1;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--light-white);
            max-width: 620px;
            margin-top: 14px;
            line-height: 1.8;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 22px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid var(--border-glow-strong);
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.06);
            transition: all 0.3s ease;
            cursor: default;
        }
        .hero-tag:hover {
            background: rgba(0, 240, 255, 0.14);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
        }

        /* ============ BUTTONS ============ */
        .btn-neon {
            display: inline-block;
            padding: 13px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            background: var(--neon-cyan);
            color: var(--deep-space);
            box-shadow: var(--shadow-neon);
            text-transform: uppercase;
            font-family: var(--font-heading);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
        }
        .btn-neon:hover {
            box-shadow: var(--shadow-neon-lg);
            transform: translateY(-2px);
            color: var(--deep-space);
        }
        .btn-outline-neon {
            display: inline-block;
            padding: 12px 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.35s ease;
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            font-family: var(--font-heading);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
        }
        .btn-outline-neon:hover {
            background: var(--neon-cyan);
            color: var(--deep-space);
            box-shadow: var(--shadow-neon);
        }
        .btn-orange {
            display: inline-block;
            padding: 13px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            background: var(--electric-orange);
            color: #fff;
            box-shadow: var(--shadow-orange);
            font-family: var(--font-heading);
            clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
        }
        .btn-orange:hover {
            box-shadow: 0 0 30px rgba(255, 94, 26, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ============ CARDS ============ */
        .card-glow {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            box-shadow: var(--card-inner-glow);
            padding: 28px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        .card-glow:hover {
            border-color: var(--border-glow-strong);
            box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.15), 0 8px 30px rgba(0, 0, 0, 0.4);
            transform: translateY(-3px);
        }
        .card-glow::after {
            content: '';
            position: absolute;
            top: -1px;
            right: -1px;
            width: 20px;
            height: 20px;
            background: var(--neon-cyan);
            opacity: 0;
            clip-path: polygon(100% 0, 100% 100%, 0 0);
            transition: opacity 0.35s ease;
        }
        .card-glow:hover::after {
            opacity: 0.7;
        }

        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            overflow: hidden;
            margin: -28px -28px 18px -28px;
        }
        .card-img-top img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-glow:hover .card-img-top img {
            transform: scale(1.04);
        }

        /* ============ HIGHLIGHT SECTION (左文右图交替) ============ */
        .highlight-row {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 56px;
            flex-wrap: wrap;
        }
        .highlight-row.reverse {
            flex-direction: row-reverse;
        }
        .highlight-text {
            flex: 1;
            min-width: 280px;
        }
        .highlight-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.08);
            position: relative;
        }
        .highlight-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .highlight-image::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
            pointer-events: none;
            z-index: 1;
        }
        .highlight-icon {
            font-size: 2.2rem;
            color: var(--neon-cyan);
            margin-bottom: 10px;
        }
        .highlight-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--electric-orange);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        /* ============ CALENDAR MODULE ============ */
        .calendar-module {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--card-inner-glow);
        }
        .calendar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .calendar-month-label {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--neon-cyan);
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 6px;
            text-align: center;
        }
        .calendar-day-header {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--muted);
            padding: 8px 0;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .calendar-day {
            padding: 10px 4px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            position: relative;
            color: #ccc;
        }
        .calendar-day:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .calendar-day.available {
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            font-weight: 600;
        }
        .calendar-day.booked {
            background: rgba(255, 94, 26, 0.1);
            border-color: rgba(255, 94, 26, 0.25);
            color: var(--electric-orange);
            cursor: not-allowed;
            opacity: 0.7;
        }
        .calendar-day.empty {
            cursor: default;
            color: transparent;
            pointer-events: none;
        }
        .calendar-legend {
            display: flex;
            gap: 20px;
            margin-top: 18px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--muted);
        }
        .legend-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-right: 6px;
            vertical-align: middle;
        }
        .legend-dot.available {
            background: var(--neon-cyan);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }
        .legend-dot.booked {
            background: var(--electric-orange);
            box-shadow: 0 0 8px rgba(255, 94, 26, 0.4);
        }

        /* ============ ACTIVITY TYPE CARDS ============ */
        .activity-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 26px;
            text-align: center;
            transition: all 0.35s ease;
            box-shadow: var(--card-inner-glow);
            height: 100%;
        }
        .activity-card:hover {
            border-color: var(--border-glow-strong);
            transform: translateY(-4px);
            box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.12), 0 10px 35px rgba(0, 0, 0, 0.5);
        }
        .activity-icon {
            font-size: 2.8rem;
            color: var(--neon-cyan);
            margin-bottom: 14px;
            display: block;
            transition: text-shadow 0.35s ease;
        }
        .activity-card:hover .activity-icon {
            text-shadow: 0 0 22px rgba(0, 240, 255, 0.6);
        }
        .activity-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .activity-card p {
            font-size: 0.88rem;
            color: var(--muted);
            margin: 0;
        }

        /* ============ VIRTUAL TOUR ============ */
        .virtual-tour-block {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glow-strong);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
            cursor: pointer;
            transition: all 0.4s ease;
        }
        .virtual-tour-block:hover {
            box-shadow: 0 0 55px rgba(0, 240, 255, 0.2);
        }
        .virtual-tour-block img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .virtual-tour-block:hover img {
            transform: scale(1.03);
        }
        .tour-overlay {
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 16, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            z-index: 2;
        }
        .tour-play-btn {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.2);
            border: 2px solid var(--neon-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--neon-cyan);
            transition: all 0.35s ease;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
        }
        .virtual-tour-block:hover .tour-play-btn {
            background: rgba(0, 240, 255, 0.35);
            box-shadow: 0 0 50px rgba(0, 240, 255, 0.5);
            transform: scale(1.08);
        }
        .tour-label {
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            margin-top: 14px;
            letter-spacing: 0.04em;
            font-family: var(--font-heading);
        }

        /* ============ REVIEWS ============ */
        .review-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--card-inner-glow);
            transition: all 0.3s ease;
            height: 100%;
        }
        .review-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.1), 0 6px 24px rgba(0, 0, 0, 0.35);
        }
        .review-stars {
            color: var(--electric-orange);
            font-size: 0.85rem;
            margin-bottom: 8px;
        }
        .review-text {
            font-size: 0.9rem;
            color: #ccc;
            line-height: 1.7;
            margin-bottom: 14px;
            min-height: 50px;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--muted);
        }
        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--neon-cyan);
            font-size: 0.9rem;
        }
        .review-tag {
            font-size: 0.72rem;
            background: rgba(255, 94, 26, 0.12);
            color: var(--electric-orange);
            padding: 2px 10px;
            border-radius: 12px;
            display: inline-block;
            margin-left: 4px;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.3s ease;
        }
        .faq-item.active {
            border-color: var(--border-glow-strong);
        }
        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--white);
            transition: all 0.25s ease;
            user-select: none;
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-item.active .faq-question {
            color: var(--neon-cyan);
            border-left: 3px solid var(--electric-orange);
            padding-left: 17px;
        }
        .faq-arrow {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            color: var(--muted);
            flex-shrink: 0;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--neon-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--light-white);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px 20px;
        }

        /* ============ CTA BANNER ============ */
        .cta-banner {
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.9) 0%, rgba(11, 12, 16, 0.95) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            border: 1px solid var(--border-glow-strong);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.08);
        }
        .cta-banner h2 {
            margin-bottom: 10px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #080510;
            border-top: 1px solid var(--border-glow);
            padding: 50px 0 30px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h5 {
            color: var(--neon-cyan);
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: var(--muted);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: all 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--electric-orange);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
            font-size: 0.82rem;
            line-height: 2;
        }
        .footer-bottom span {
            margin: 0 6px;
        }
        .footer-bottom a {
            color: var(--muted);
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-top-nav {
                display: flex;
            }
            .hero-section {
                padding: 100px 0 70px;
                margin-top: 56px;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .section-gap {
                margin-bottom: 60px;
            }
            .highlight-row,
            .highlight-row.reverse {
                flex-direction: column;
                gap: 30px;
            }
            .highlight-image img {
                height: 250px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-grid {
                gap: 3px;
            }
            .calendar-day {
                padding: 8px 2px;
                font-size: 0.78rem;
            }
            .virtual-tour-block img {
                height: 280px;
            }
            .tour-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section-container {
                padding: 0 16px;
            }
            .section-gap {
                margin-bottom: 48px;
            }
            .hero-section {
                padding: 70px 0 50px;
                margin-top: 52px;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .highlight-image img {
                height: 200px;
            }
            .calendar-module {
                padding: 18px;
            }
            .calendar-month-label {
                font-size: 1.2rem;
            }
            .calendar-day {
                padding: 6px 1px;
                font-size: 0.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cta-banner {
                padding: 30px 20px;
            }
            .virtual-tour-block img {
                height: 220px;
            }
            .tour-play-btn {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
            .tour-label {
                font-size: 0.9rem;
            }
            .btn-neon,
            .btn-outline-neon,
            .btn-orange {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .card-glow {
                padding: 18px;
            }
            .card-img-top {
                margin: -18px -18px 14px -18px;
            }
            .card-img-top img {
                height: 150px;
            }
        }
        @media (max-width: 520px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero-tags {
                gap: 6px;
            }
            .hero-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .calendar-grid {
                grid-template-columns: repeat(7, 1fr);
                gap: 2px;
            }
            .calendar-day {
                padding: 5px 0;
                font-size: 0.65rem;
            }
            .calendar-day-header {
                font-size: 0.65rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .highlight-image img {
                height: 170px;
            }
            .virtual-tour-block img {
                height: 180px;
            }
            .review-card {
                padding: 16px;
            }
            .activity-card {
                padding: 18px;
            }
            .activity-icon {
                font-size: 2rem;
            }
        }

/* roulang page: category3 */
:root {
            --deep-purple: #1A0B2E;
            --deep-space: #0B0C10;
            --card-bg: rgba(31, 19, 53, 0.75);
            --card-bg-solid: #1F1335;
            --neon-cyan: #00F0FF;
            --electric-orange: #FF5E1A;
            --white: #f0eef5;
            --muted: #9b94a8;
            --border-glow: rgba(0, 240, 255, 0.18);
            --border-orange: rgba(255, 94, 26, 0.35);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-glow-cyan: 0 0 22px rgba(0, 240, 255, 0.35);
            --shadow-glow-orange: 0 0 18px rgba(255, 94, 26, 0.3);
            --shadow-card-inner: inset 0 0 18px rgba(0, 240, 255, 0.07);
            --nav-width: 90px;
            --font-heading: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--deep-space);
            color: var(--white);
            line-height: 1.7;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
            display: flex;
            flex-direction: row;
        }

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

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

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

        /* ============ 左侧竖向导航 ============ */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: #080510;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            padding: 28px 0 22px;
            z-index: 1050;
            border-right: 1px solid rgba(0, 240, 255, 0.14);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.6);
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--neon-cyan);
            letter-spacing: 1.5px;
            writing-mode: vertical-rl;
            text-orientation: mixed;
            line-height: 1.3;
            transition: var(--transition-smooth);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
        }

        .nav-logo:hover {
            text-shadow: 0 0 24px rgba(0, 240, 255, 0.85);
            color: #fff;
        }

        .nav-icons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            flex: 1;
            justify-content: center;
        }

        .nav-icon-btn {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #7a7a8a;
            font-size: 1.15rem;
            position: relative;
            transition: var(--transition-smooth);
            background: transparent;
            border: 1px solid transparent;
        }

        .nav-icon-btn:hover {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.25);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        .nav-icon-btn.active {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.12);
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.45);
        }

        .nav-icon-btn .tooltip-text {
            position: absolute;
            left: 58px;
            background: var(--card-bg-solid);
            color: var(--white);
            font-size: 0.75rem;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            pointer-events: none;
            opacity: 0;
            transform: translateX(-6px);
            transition: var(--transition-fast);
            border: 1px solid var(--border-glow);
            z-index: 10;
        }

        .nav-icon-btn:hover .tooltip-text {
            opacity: 1;
            transform: translateX(0);
        }

        .nav-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .nav-login {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #7a7a8a;
            font-size: 1rem;
            transition: var(--transition-smooth);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-login:hover {
            color: var(--electric-orange);
            border-color: rgba(255, 94, 26, 0.5);
            box-shadow: 0 0 14px rgba(255, 94, 26, 0.3);
            background: rgba(255, 94, 26, 0.06);
        }

        /* ============ 移动端顶部导航 ============ */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1049;
            background: rgba(10, 7, 18, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 10px 18px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            letter-spacing: 1.5px;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.55);
        }

        .hamburger-btn {
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--white);
            font-size: 1.4rem;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(8, 5, 16, 0.97);
            z-index: 1048;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 18px;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition-smooth);
        }

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

        .mobile-menu-overlay a {
            font-size: 1.3rem;
            font-weight: 600;
            color: #b0aabf;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            color: var(--neon-cyan);
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-overlay .close-btn {
            position: absolute;
            top: 18px;
            right: 18px;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--white);
            font-size: 1.5rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-fast);
        }

        .mobile-menu-overlay .close-btn:hover {
            border-color: var(--electric-orange);
            color: var(--electric-orange);
            box-shadow: 0 0 14px rgba(255, 94, 26, 0.35);
        }

        /* ============ 主内容区 ============ */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            width: calc(100% - var(--nav-width));
            background: var(--deep-space);
        }

        .section-container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section-spacing {
            padding: 80px 0;
        }

        .section-spacing-sm {
            padding: 55px 0;
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #0d0520 0%, #0b0c10 50%, #120a26 100%);
        }

        .hero-bg-img {
            position: absolute;
            right: 0;
            top: 0;
            width: 52%;
            height: 100%;
            object-fit: cover;
            opacity: 0.3;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0) 100%);
        }

        .hero-overlay-particles {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(255, 94, 26, 0.04) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-title .highlight {
            color: var(--neon-cyan);
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--electric-orange);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(255, 94, 26, 0.5);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--muted);
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

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

        .hero-stat-num {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--muted);
            margin-top: 4px;
        }

        .btn-cyan-glow {
            display: inline-block;
            background: var(--neon-cyan);
            color: var(--deep-space);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 30px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.45);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
        }

        .btn-cyan-glow:hover {
            box-shadow: 0 0 38px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: var(--deep-space);
        }

        .btn-outline-cyan {
            display: inline-block;
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            border: 1px solid var(--neon-cyan);
            cursor: pointer;
            transition: var(--transition-smooth);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
        }

        .btn-outline-cyan:hover {
            background: var(--neon-cyan);
            color: var(--deep-space);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
        }

        /* ============ 通用板块标题 ============ */
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--electric-orange);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-heading {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-desc {
            color: var(--muted);
            font-size: 1rem;
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* ============ 卡片通用 ============ */
        .glass-card {
            background: var(--card-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card-inner);
            transition: var(--transition-smooth);
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: inset 0 0 22px rgba(0, 240, 255, 0.1), 0 4px 24px rgba(0, 0, 0, 0.4);
            transform: translateY(-3px);
        }

        /* ============ 达人矩阵 ============ */
        .creator-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .creator-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            cursor: pointer;
            position: relative;
            box-shadow: var(--shadow-card-inner);
        }

        .creator-card:hover {
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.2), inset 0 0 20px rgba(0, 240, 255, 0.06);
            transform: translateY(-5px);
        }

        .creator-img-wrap {
            position: relative;
            aspect-ratio: 1 / 1;
            overflow: hidden;
        }

        .creator-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

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

        .creator-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(to top, rgba(10, 5, 22, 0.95) 40%, transparent 100%);
        }

        .creator-name {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin: 0;
        }

        .creator-handle {
            font-size: 0.75rem;
            color: var(--neon-cyan);
            margin: 2px 0 4px;
        }

        .creator-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-top: 4px;
        }

        .creator-tag {
            font-size: 0.68rem;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(255, 94, 26, 0.15);
            color: var(--electric-orange);
            border: 1px solid rgba(255, 94, 26, 0.3);
            white-space: nowrap;
        }

        .creator-fans {
            font-size: 0.78rem;
            color: var(--muted);
            margin-top: 3px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .creator-fans i {
            color: var(--neon-cyan);
            font-size: 0.7rem;
        }

        /* ============ 栏目卡片 ============ */
        .show-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .show-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card-inner);
        }

        .show-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.18), inset 0 0 18px rgba(0, 240, 255, 0.05);
            transform: translateY(-3px);
        }

        .show-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .show-card-body {
            padding: 16px 18px;
        }

        .show-card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 6px;
        }

        .show-card-desc {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .show-card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--neon-cyan);
            align-items: center;
        }

        .show-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 平台数据 ============ */
        .platform-data-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .platform-data-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card-inner);
        }

        .platform-data-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
            transform: translateY(-2px);
        }

        .platform-icon {
            font-size: 2rem;
            color: var(--neon-cyan);
            margin-bottom: 10px;
        }

        .platform-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .platform-fans {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--electric-orange);
            line-height: 1;
        }

        .platform-unit {
            font-size: 0.7rem;
            color: var(--muted);
        }

        /* ============ 商业合作模式 ============ */
        .coop-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .coop-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card-inner);
            text-align: center;
        }

        .coop-card:hover {
            border-color: rgba(255, 94, 26, 0.4);
            box-shadow: 0 0 20px rgba(255, 94, 26, 0.12);
            transform: translateY(-3px);
        }

        .coop-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            transition: var(--transition-smooth);
        }

        .coop-card:hover .coop-icon-circle {
            background: rgba(0, 240, 255, 0.16);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .coop-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 6px;
        }

        .coop-card p {
            font-size: 0.85rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 品牌Logo墙 ============ */
        .brand-logo-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: center;
        }

        .brand-logo-item {
            width: 110px;
            height: 50px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            filter: grayscale(100%) brightness(0.7);
            transition: var(--transition-smooth);
            font-weight: 700;
            font-size: 0.85rem;
            color: #7a7a8a;
            letter-spacing: 1px;
        }

        .brand-logo-item:hover {
            filter: grayscale(0%) brightness(1);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
            color: #fff;
            background: rgba(0, 240, 255, 0.06);
        }

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

        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition-smooth);
            background: rgba(31, 19, 53, 0.4);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
        }

        .faq-item.active {
            border-color: rgba(0, 240, 255, 0.5);
            border-left: 3px solid var(--electric-orange);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.1);
        }

        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            transition: var(--transition-fast);
            user-select: none;
        }

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

        .faq-icon {
            font-size: 0.8rem;
            color: var(--neon-cyan);
            transition: var(--transition-smooth);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--electric-orange);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 220px;
            padding: 0 20px 16px 20px;
        }

        /* ============ 评论 ============ */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .review-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card-inner);
            position: relative;
        }

        .review-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.1);
        }

        .review-stars {
            color: var(--electric-orange);
            font-size: 0.85rem;
            margin-bottom: 8px;
        }

        .review-text {
            font-size: 0.88rem;
            color: #cfc8da;
            line-height: 1.65;
            margin-bottom: 12px;
            min-height: 70px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--muted);
        }

        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--neon-cyan);
            font-size: 0.7rem;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        /* ============ CTA横幅 ============ */
        .cta-banner {
            background: linear-gradient(135deg, rgba(26, 11, 46, 0.9) 0%, rgba(11, 12, 16, 0.95) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: var(--muted);
            font-size: 1rem;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }

        .btn-orange-glow {
            display: inline-block;
            background: var(--electric-orange);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 20px rgba(255, 94, 26, 0.4);
            clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
            position: relative;
            z-index: 1;
        }

        .btn-orange-glow:hover {
            box-shadow: 0 0 36px rgba(255, 94, 26, 0.65);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #06040d;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 40px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 28px;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--neon-cyan);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--muted);
            padding: 3px 0;
            transition: var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--electric-orange);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--muted);
            line-height: 1.8;
        }

        .footer-bottom span {
            margin: 0 4px;
        }

        .footer-bottom a {
            color: var(--muted);
            transition: var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199px) {
            .creator-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .platform-data-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 60px;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-bg-img {
                width: 70%;
                opacity: 0.2;
            }
            .creator-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .show-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .platform-data-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .coop-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-spacing {
                padding: 50px 0;
            }
            .section-heading {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 767px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .creator-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .show-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .platform-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .coop-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .section-spacing {
                padding: 36px 0;
            }
            .section-heading {
                font-size: 1.45rem;
            }
            .cta-banner h3 {
                font-size: 1.4rem;
            }
            .btn-cyan-glow,
            .btn-outline-cyan,
            .btn-orange-glow {
                font-size: 0.9rem;
                padding: 10px 20px;
            }
            .brand-logo-item {
                width: 80px;
                height: 38px;
                font-size: 0.7rem;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-stats-row {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            .creator-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .platform-data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section-container {
                padding: 0 14px;
            }
        }