:root {
            /* 商业风格主色调 - 商务蓝 */
            --primary: #165DFF;
            --primary-light: #4080FF;
            --primary-dark: #0E42D2;
            --accent: #0FC6C2;
            --accent-light: #36D1D1;
            --secondary: #722ED1;
            /* 深色背景体系 - 更沉稳的商务黑 */
            --dark: #1D2129;
            --darker: #0F1419;
            --light: #F7F8FA;
            /* 磨砂玻璃卡片 - 更商务的透明度 */
            --card: rgba(29, 33, 41, 0.85);
            --card-light: rgba(45, 51, 64, 0.9);
            /* 文本颜色 - 更专业的灰度层级 */
            --text: #F7F8FA;
            --text-light: #C9CDD4;
            --text-muted: #86909C;
            --success: #00B42A;
            --danger: #F53F3F;
            /* 过渡和特效 - 更克制的动效 */
            --transition: all 0.2s ease-in-out;
            --glow: rgba(22, 93, 255, 0.4);
            --glass-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            
            /* 背景磨砂效果控制变量 - 优化：降低模糊强度 */
            --bg-blur: 2px; /* 从6px降低到2px，大幅减少CPU消耗 */
            --bg-opacity: 0.88; 
            --bg-image: url('https://picsum.photos/id/1076/1920/1080');
        }
        
           /* 主题切换按钮样式 - 移到顶部右侧 */
         .theme-toggle-btn {
             position: fixed;
             top: 16px;
             right: 80px; /* 调整位置到登录按钮左侧 */
             z-index: 9999;
             width: 42px;
             height: 42px;
             border-radius: 6px;
             background: var(--card);
             backdrop-filter: blur(4px);
             -webkit-backdrop-filter: blur(4px);
             border: 1px solid rgba(22, 93, 255, 0.15);
             box-shadow: var(--glass-shadow);
             display: flex;
             align-items: center;
             justify-content: center;
             color: var(--text);
             font-size: 18px;
             cursor: pointer;
             transition: all 0.3s ease;
         }
     
         .theme-toggle-btn:hover {
             transform: translateY(-2px) scale(1.05);
             box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
         }
     
         /* 白色主题变量覆盖 */
         body.light-theme {
             --primary: #165DFF;
             --primary-light: #4080FF;
             --primary-dark: #0E42D2;
             --accent: #0FC6C2;
             --accent-light: #36D1D1;
             --secondary: #722ED1;
             /* 浅色背景体系 */
             --dark: #F7F8FA;
             --darker: #FFFFFF;
             --light: #1D2129;
             /* 磨砂玻璃卡片 - 浅色模式 */
             --card: rgba(255, 255, 255, 0.85);
             --card-light: rgba(245, 247, 250, 0.9);
             /* 文本颜色 - 浅色模式 */
             --text: #1D2129;
             --text-light: #4E5969;
             --text-muted: #86909C;
             --success: #00B42A;
             --danger: #F53F3F;
             /* 过渡和特效 */
             --transition: all 0.2s ease-in-out;
             --glow: rgba(22, 93, 255, 0.15);
             --glass-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
         }
     
         /* 浅色主题背景调整 */
         body.light-theme .bg-overlay {
             background: linear-gradient(135deg, rgba(255, 255, 255, var(--bg-opacity)), rgba(247, 248, 250, var(--bg-opacity)));
         }
     
         /* 修复白色主题下顶部导航栏文字可见性问题 */
         body.light-theme header {
             background: rgba(255, 255, 255, 0.9);
             border-bottom: 1px solid rgba(22, 93, 255, 0.15);
         }
         
         body.light-theme .nav-links a {
             color: var(--text); /* 深色文字 */
         }
         
         body.light-theme .nav-links a:hover,
         body.light-theme .nav-links a.active {
             color: var(--primary-light);
         }
         
         body.light-theme .mobile-title {
             background: rgba(255, 255, 255, 0.9);
             border-bottom: 1px solid rgba(22, 93, 255, 0.15);
         }
     
         /* 浅色主题按钮样式优化 */
         body.light-theme .btn-outline {
             box-shadow: 0 0 8px rgba(22, 93, 255, 0.08);
         }
     
         /* 响应式调整 - 移动端适配 */
         @media (max-width: 768px) {
             .theme-toggle-btn {
                 width: 38px;
                 height: 38px;
                 font-size: 16px;
                 top: 15px;
                 right: 15px; /* 移动端移到右上角 */
                 z-index: 101; /* 高于移动端导航 */
             }
         }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        /* 背景容器 - 性能优化：使用静态背景图替代实时blur */
        .bg-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
            /* 优化：预渲染背景，避免实时计算 */
            will-change: transform;
            contain: strict; /* 限制渲染范围 */
        }

        /* 背景图片样式 - 性能优化 */
        .bg-image {
            width: 100%;
            height: 100%;
            background-image: var(--bg-image);
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            filter: blur(var(--bg-blur));
            transform: scale(1.02);
            /* 优化：移除昂贵的filter过渡 */
            /* transition: filter 0.5s ease; */
            position: absolute;
            top: 0;
            left: 0;
            z-index: -1;
            /* 性能优化：硬件加速 */
            transform: translateZ(0);
        }

        /* 背景遮罩层 - 更商务的渐变 */
        .bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(15, 20, 25, var(--bg-opacity)), rgba(29, 33, 41, var(--bg-opacity)));
            z-index: 1;
            /* 性能优化：减少绘制层级 */
            pointer-events: none;
        }

        body {
            color: var(--text);
            line-height: 1.5;
            min-height: 100vh;
            overflow-x: hidden;
            background: transparent;
            /* 优化：移除昂贵的重复背景图案 */
            /* background-image: 
                radial-gradient(var(--glow) 0.5px, transparent 0.5px),
                radial-gradient(var(--glow) 0.5px, transparent 0.5px);
            background-size: 30px 30px, 30px 30px;
            background-position: 0 0, 15px 15px; */
            position: relative;
            z-index: 2;
            /* 性能优化：减少重绘 */
            will-change: contents;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 - 更商务的磨砂玻璃效果 */
        header {
            padding: 16px 0;
            background: rgba(29, 33, 41, 0.9);
            backdrop-filter: blur(4px); /* 从10px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(22, 93, 255, 0.15);
            box-shadow: var(--glass-shadow);
            /* 性能优化 */
            contain: layout paint;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            font-size: 20px;
            box-shadow: 0 0 12px var(--glow);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.2px;
        }

        .nav-container {
            display: flex;
            align-items: center;
            margin-left: auto;
        }

        .nav-links {
            display: flex;
            gap: 28px;
            margin-right: 24px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 6px 0;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-light);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            gap: 12px;
        }

        .btn {
            padding: 10px 24px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
            background: var(--card);
            backdrop-filter: blur(2px); /* 从6px降低到2px */
            -webkit-backdrop-filter: blur(2px);
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
            transition: 0.6s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            box-shadow: 0 0 8px rgba(22, 93, 255, 0.15);
        }

        .btn-outline:hover {
            background: rgba(22, 93, 255, 0.08);
            transform: translateY(-2px);
            box-shadow: 0 0 12px var(--glow);
        }

        .btn-primary {
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(22, 93, 255, 0.4);
        }

        /* 手机端专用标题 */
        .mobile-title {
            display: none;
            padding: 16px 0;
            text-align: center;
            background: rgba(29, 33, 41, 0.9);
            backdrop-filter: blur(4px); /* 从10px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border-bottom: 1px solid rgba(22, 93, 255, 0.15);
        }

        .mobile-title h1 {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* 英雄区域 - 更商务的布局 */
        .hero {
            padding: 70px 0 50px;
            position: relative;
            overflow: hidden;
            /* 性能优化 */
            contain: layout paint;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-visual {
            margin-bottom: 24px;
            position: relative;
        }

        .hero-visual img {
            max-width: 280px;
            margin: 0 auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(22, 93, 255, 0.2);
            border: 1px solid var(--card-light);
            /* 性能优化：预加载图片 */
            will-change: auto;
        }

        .hero-title-container {
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 0;
            letter-spacing: -0.5px;
            color: var(--text);
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .hero h1 span {
            color: var(--primary-light);
            font-weight: 800;
            display: inline-block;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.15rem);
            color: var(--text-light);
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 30px;
            padding: 20px 30px;
            border-radius: 12px;
            background: var(--card);
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border: 1px solid rgba(22, 93, 255, 0.15);
            box-shadow: var(--glass-shadow);
            max-width: 700px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            padding: 0 15px;
            flex: 1;
            min-width: 90px;
        }

        .stat-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 10px;
            height: 40px;
            width: 1px;
            background: rgba(22, 93, 255, 0.15);
        }

        .stat-value {
            font-size: clamp(1.2rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--primary-light);
            margin-bottom: 6px;
            line-height: 1;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 3px;
        }

        /* 特性卡片 - 更商务的设计 */
        .features {
            padding: 60px 0;
            position: relative;
            /* 性能优化 */
            contain: layout paint;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 4vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            position: relative;
            display: inline-block;
            padding-bottom: 8px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .section-header p {
            font-size: clamp(1rem, 2vw, 1.1rem);
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .feature-card {
            background: var(--card);
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border-radius: 10px;
            padding: 30px 24px;
            transition: var(--transition);
            box-shadow: var(--glass-shadow);
            border: 1px solid rgba(22, 93, 255, 0.1);
            position: relative;
            overflow: hidden;
            height: 100%;
            /* 性能优化：减少动画复杂度 */
            will-change: transform;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
            border-color: rgba(22, 93, 255, 0.2);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.05);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 8px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: white;
            margin-bottom: 20px;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(22, 93, 255, 0.2);
        }

        .feature-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text);
            font-weight: 600;
        }

        .feature-card p {
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
            font-size: 14px;
        }

        /* 用户展示部分 - 改造为双列布局：合作伙伴 + 实时播放 */
        .users-section {
            padding: 40px 0 50px;
            /* 性能优化 */
            contain: layout paint;
        }

        .users-main-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .users-main-container {
                grid-template-columns: 1fr;
            }
        }

        .users-container, .play-container {
            background: var(--card);
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border-radius: 10px;
            padding: 24px 20px;
            transition: var(--transition);
            box-shadow: var(--glass-shadow);
            border: 1px solid rgba(22, 93, 255, 0.1);
            overflow: hidden;
            height: 100%;
        }

        .users-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 0;
            scroll-behavior: auto; /* 移除平滑滚动 */
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--card-light);
            -webkit-overflow-scrolling: auto; /* 禁用弹性滚动 */
        }

        .users-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .users-scroll::-webkit-scrollbar-track {
            background: var(--card-light);
            border-radius: 6px;
        }

        .users-scroll::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 6px;
        }

        /* ========== 仅修改合作伙伴区域 - 禁用所有交互 ========== */
        .user-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 90px;
            text-align: center;
            padding: 12px;
            border-radius: 8px;
            text-decoration: none;
            /* 禁用所有交互 */
            pointer-events: none;
            transition: none !important;
        }

        .user-card:hover {
            background: none !important;
            transform: none !important;
        }

        .user-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            margin: 0 auto 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            position: relative;
            background: var(--darker);
            border: 1px solid var(--primary-light);
            overflow: hidden;
            transition: none !important;
        }

        .user-avatar:hover {
            transform: none !important;
            box-shadow: none !important;
        }

        .user-name {
            font-size: 14px;
            color: var(--text);
            margin-bottom: 3px;
            white-space: nowrap;
        }

        .user-joined {
            font-size: 12px;
            color: var(--text-muted);
            opacity: 0.8;
        }

        /* 实时播放数据样式 - 自定义列表布局（完整圆角版） */
        .play-container h3 {
            color: var(--text);
            font-size: 16px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .play-container h3 span {
            background: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            color: white;
        }

        /* 总播放数样式 */
        .total-play-count {
            background: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            color: white;
            margin-left: 8px;
        }

        /* 实时播放列表样式 - 替代表格布局 */
        .play-list {
           width: 100%;
           background: transparent;
           color: var(--text-light);
           font-size: 14px;
           border-radius: 8px;
           overflow: hidden;
           height: 200px; /* 从180px增加到220px，适配4列和表头 */
           position: relative;
           /* 性能优化：硬件加速 */
           transform: translateZ(0);
       }
        
        /* 滚动容器 - 新增样式 */
        .play-list-scroll {
            position: absolute;
            width: 100%;
            top: 0;
            left: 0;
            /* 移除滚动过渡 */
            transition: none !important;
        }

        /* 加载中样式 - 移除动画 */
        .play-list-loading {
            padding: 12px 8px;
            text-align: center;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 180px;
        }
        
        /* 加载动画 - 移除旋转效果 */
        .loading-spinner {
            width: 16px;
            height: 16px;
            border: 2px solid rgba(22, 93, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--primary);
            animation: none !important;
            transform: translateZ(0);
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 列表头部 */
        .play-list-header {
            display: grid;
            grid-template-columns: 40% 20% 15% 40%;
            background: rgba(22, 93, 255, 0.1);
            color: var(--text);
            padding: 12px 8px;
            font-weight: 600;
            border-radius: 8px 8px 0 0;
            margin-bottom: 2px;
        }

        /* ========== 仅修改实时播放区域 - 禁用所有交互 ========== */
        .play-list-item {
            display: grid;
            grid-template-columns: 40% 20% 15% 40%;
            padding: 12px 8px;
            border-radius: 8px;
            margin: 2px 0;
            /* 禁用所有交互 */
            pointer-events: none;
            transition: none !important;
        }

        .play-list-item:hover {
            background: none !important;
            transform: none !important;
        }

        /* 列表项单元格样式 */
        .play-list-cell {
            display: flex;
            align-items: center;
            overflow: hidden; /* 隐藏溢出内容 */
            text-overflow: ellipsis; /* 溢出显示省略号 */
            white-space: nowrap; /* 禁止换行 */
            padding: 0 4px; /* 增加内边距，避免内容挤在一起 */
        }

        /* 暂无数据样式 */
        .play-list-empty {
            padding: 12px 8px;
            text-align: center;
            color: var(--text-muted);
            height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 自定义徽章样式 - 替代layui badge */
        .badge-blue {
            background: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            color: white;
        }

        /* CTA部分 - 更商务的转化设计 */
        .cta {
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-radius: 16px;
            margin: 20px 0 40px;
            background: linear-gradient(135deg, rgba(22, 93, 255, 0.15), rgba(15, 198, 194, 0.15));
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border: 1px solid rgba(22, 93, 255, 0.2);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            /* 性能优化 */
            contain: layout paint;
        }

        .cta-container {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta h2 {
            font-size: clamp(1.5rem, 4vw, 2.2rem);
            margin-bottom: 20px;
            font-weight: 700;
            color: var(--text);
        }

        .cta p {
            font-size: clamp(1rem, 2vw, 1.1rem);
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
            padding: 0 15px;
        }

        .cta-btn {
            padding: 12px 36px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 6px;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 18px rgba(22, 93, 255, 0.35);
            transition: var(--transition);
            position: relative;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 22px rgba(22, 93, 255, 0.45);
        }

        /* 页脚 - 更商务的设计 */
        footer {
            padding: 50px 0 24px;
            position: relative;
            /* 性能优化 */
            contain: layout paint;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--text);
            position: relative;
            padding-bottom: 8px;
            font-weight: 600;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
        }

        .footer-links li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }

        .contact-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 14px;
            flex-shrink: 0;
            box-shadow: 0 3px 8px rgba(22, 93, 255, 0.2);
        }

        .contact-info p {
            margin-bottom: 2px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid rgba(22, 93, 255, 0.15);
            padding-top: 24px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 8px;
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 悬浮菜单 - 手机端 */
        .anime-menu {
            display: none;
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 98;
            background: var(--card);
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border-radius: 24px;
            padding: 8px 12px;
            box-shadow: var(--glass-shadow);
            border: 1px solid rgba(22, 93, 255, 0.15);
        }

        .anime-menu-items {
            display: flex;
            gap: 16px;
        }

        .anime-menu-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            color: var(--text);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }

        .anime-menu-item::after {
            content: attr(data-label);
            position: absolute;
            bottom: -22px;
            font-size: 11px;
            background: var(--primary);
            padding: 2px 6px;
            border-radius: 6px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            white-space: nowrap;
        }

        .anime-menu-item:hover::after {
            opacity: 1;
            visibility: visible;
            bottom: -18px;
        }

        .menu-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            box-shadow: 0 3px 10px rgba(22, 93, 255, 0.25);
            transition: var(--transition);
        }

        .menu-icon:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 14px rgba(22, 93, 255, 0.35);
        }

        /* 右侧悬浮客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .service-icon {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glass-shadow);
            color: white;
            font-size: 20px;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .service-icon:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        .qq-icon {
            background: linear-gradient(135deg, #12B7F5, #0E9CE5);
        }

        .weixin-icon {
            background: linear-gradient(135deg, #07C160, #06B058);
        }

        .qr-popup {
            position: absolute;
            right: 60px;
            bottom: 0;
            width: 150px;
            background: var(--card);
            backdrop-filter: blur(4px); /* 从8px降低到4px */
            -webkit-backdrop-filter: blur(4px);
            border-radius: 8px;
            padding: 12px;
            box-shadow: var(--glass-shadow);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            transform: translateY(8px);
            z-index: 100;
            border: 1px solid rgba(22, 93, 255, 0.15);
        }

        .service-icon:hover .qr-popup {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .qr-popup h4 {
            text-align: center;
            margin-bottom: 8px;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
        }

        .qr-code {
            width: 126px;
            height: 126px;
            background: var(--darker);
            border-radius: 8px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border: 1px solid rgba(22, 93, 255, 0.1);
        }

        .qr-placeholder {
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(-45deg,
                    rgba(22, 93, 255, 0.05),
                    rgba(22, 93, 255, 0.05) 8px,
                    rgba(45, 51, 64, 0.05) 8px,
                    rgba(45, 51, 64, 0.05) 16px);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 12px;
        }

        .qr-popup::before {
            content: '';
            position: absolute;
            right: -6px;
            top: 18px;
            width: 0;
            height: 0;
            border-top: 8px solid transparent;
            border-bottom: 8px solid transparent;
            border-left: 8px solid var(--card);
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .hero {
                padding: 60px 0 40px;
            }
            .hero-visual img {
                max-width: 240px;
            }
        }

        @media (max-width: 768px) {
            header {
                display: none;
            }
            .mobile-title {
                display: block;
            }
            .anime-menu {
                display: block;
            }
            .hero {
                padding: 20px 0 70px;
            }
            .hero-visual img {
                max-width: 200px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                padding: 16px;
            }
            .stat-item:not(:last-child)::after {
                display: none;
            }
            .features {
                padding: 40px 0;
            }
            .features-grid {
                gap: 16px;
            }
            .floating-service {
                right: 15px;
                bottom: 80px;
            }
            .service-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            /* 移动端调整播放列表高度 */
            .play-list {
                height: 160px;
            }
            .play-list-loading, .play-list-empty {
                height: 160px;
            }
        }

        @media (max-width: 480px) {
            .hero-visual img {
                max-width: 180px;
            }
            .hero p {
                margin-bottom: 20px;
                font-size: 14px;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .feature-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
                margin-bottom: 16px;
            }
            .user-avatar {
                width: 60px;
                height: 60px;
            }
            .footer-bottom {
                padding-top: 20px;
                font-size: 12px;
            }
            .anime-menu {
                padding: 6px 10px;
            }
            .anime-menu-items {
                gap: 12px;
            }
            .menu-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
        }