* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    
    body {
        background: linear-gradient(135deg, #1a2980, #26d0ce);
        color: #fff;
        min-height: 100vh;
        padding: 0px;
        position: relative;
    }

    a {
         text-decoration: none;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding:20px;            
    }
    
    .banner {
        text-align: center;
        margin-bottom: 25px;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 16px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        animation: fadeIn 1s ease;
        position: relative;
        overflow: hidden;
        height: 150px;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-20px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    h1 {
        font-size: 2rem;
        margin-bottom: 8px;
        background: linear-gradient(90deg, #fff, #a8edea);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        line-height: 1.2;
    }
    
    .subtitle {
        font-size: 1rem;
        opacity: 0.9;
        font-weight: 300;
        margin-bottom: 15px;
    }
    
    .detail-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.2);
        color: white;
        padding: 10px 20px;
        border-radius: 50px;
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 500;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.3);
        margin-top: 10px;
    }
    
    .detail-btn:hover, .detail-btn:active {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    
    .stats-bar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .stat-card {
        background: rgba(255, 255, 255, 0.15);
        padding: 20px 15px;
        border-radius: 14px;
        text-align: center;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .stat-card:active {
        transform: scale(0.98);
    }
    
    .stat-card i {
        font-size: 1.8rem;
        margin-bottom: 12px;
        opacity: 0.9;
    }
    
    .stat-value {
        font-size: 1.8rem;
        font-weight: bold;
        margin: 8px 0;
        color: #4cd964;
    }
    
    .content {
        display: flex;
        flex-direction: column;
        gap: 25px;
    }
    
    .ranking-section, .user-detail {
        background: rgba(255, 255, 255, 0.15);
        border-radius: 16px;
        padding: 20px 15px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .section-title {
        font-size: 1.4rem;
        margin-bottom: 18px;
        padding-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3);
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .section-title i {
        color: #a8edea;
    }
    
    /* 表格移动端优化 */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -15px;
        padding: 0 15px;
    }
    
    table {
        width: 100%;
        border-collapse: collapse;
        min-width: 600px;
    }
    
    th, td {
        padding: 14px 10px;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 0.9rem;
    }
    
    th {
        font-weight: 600;
        color: #a8edea;
        white-space: nowrap;
    }
    
    .rank {
        font-weight: bold;
        font-size: 1.1rem;
    }
    
    .top-1 {
        color: gold;
        text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
    }
    
    .top-2 {
        color: silver;
        text-shadow: 0 0 8px rgba(192, 192, 192, 0.5);
    }
    
    .top-3 {
        color: #ffa500;
        text-shadow: 0 0 8px rgba(255, 165, 0, 0.5);
    }
    
    .positive {
        color: #4cd964;
    }
    
    .negative {
        color: #ff3b30;
    }
    
    .user-avatar {
        width: 90px;
        height: 90px;
        border-radius: 50%;
        margin: 0 auto 18px;
        background: linear-gradient(135deg, #1a2980, #26d0ce);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2.2rem;
        font-weight: bold;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    }
    
    .user-name {
        text-align: center;
        font-size: 1.4rem;
        margin-bottom: 20px;
        font-weight: 600;
    }
    
    .user-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .user-stat {
        background: rgba(255, 255, 255, 0.1);
        padding: 16px;
        border-radius: 10px;
        text-align: center;
        transition: transform 0.3s ease;
    }
    
    .user-stat:active {
        transform: scale(0.98);
    }
    
    .user-stat-value {
        font-size: 1.4rem;
        font-weight: bold;
        margin-top: 6px;
    }
    
    .progress-bar {
        height: 8px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 4px;
        margin-top: 10px;
        overflow: hidden;
    }
    
    .progress {
        height: 100%;
        background: linear-gradient(90deg, #1a2980, #26d0ce);
        border-radius: 4px;
        transition: width 1s ease;
    }
    
    footer {
        text-align: center;
        margin-top: 30px;
        padding: 20px;
        opacity: 0.8;
        font-size: 0.85rem;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        backdrop-filter: blur(10px);
    }
    
    /* 平板和桌面样式 */
    @media (min-width: 768px) {
        body {
            padding: 0px;
        }
        
        h1 {
            font-size: 2.8rem;
        }
        
        .subtitle {
            font-size: 1.2rem;
        }
        
        .detail-btn {
            font-size: 1rem;
            padding: 12px 25px;
        }
        
        .stats-bar {
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .stat-card {
            padding: 25px 20px;
        }
        
        .content {
            flex-direction: row;
            gap: 30px;
        }
        
        .ranking-section {
            flex: 2;
        }
        
        .user-detail {
            flex: 1;
        }
        
        .table-container {
            margin: 0;
            padding: 0;
        }
        
        table {
            min-width: auto;
        }
        
        th, td {
            padding: 16px 12px;
            font-size: 1rem;
        }
    }
    
    /* 大屏手机优化 */
    @media (min-width: 480px) and (max-width: 767px) {
        .stats-bar {
            grid-template-columns: repeat(2, 1fr);
        }
        
        h1 {
            font-size: 2.2rem;
        }
    
        .banner {
            min-height: 210px;
        }
    
    }
    
    /* 小屏手机优化 */
    @media (max-width: 479px) {
        .stats-bar {
            grid-template-columns: 1fr;
        }
        
        h1 {
            font-size: 1.8rem;
        }
        
        .user-stats {
            grid-template-columns: 1fr;
        }
    
        .banner {
            min-height: 210px;
        }
    
    }
    
    /* 基础按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 26px;
        font-size: 1rem;
        font-weight: 600;
        text-align: center;
        text-decoration: none;
        border: none;
        border-radius: 30px;
        cursor: pointer;
        transition: all 0.3s ease;
        outline: none;
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
    
    /* 按钮1: 渐变背景 */
    .btn-gradient {
        background: linear-gradient(90deg, #ff8a00, #e52e71);
        color: white;
    }
    
    .btn-gradient:hover {
        background: linear-gradient(90deg, #e52e71, #ff8a00);
        transform: translateY(-3px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }
    
    .btn-gradient:active {
        transform: translateY(1px);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }
    
    .circle-img {
        width: 180px;
        height: 180px;
        border-radius: 50%;
        object-fit: cover;
    }    

    :root {
            --primary: #3498db;
            --primary-dark: #2980b9;
            --secondary: #95a5a6;
            --secondary-dark: #7f8c8d;
            --success: #2ecc71;
            --success-dark: #27ae60;
            --warning: #f39c12;
            --warning-dark: #e67e22;
            --danger: #e74c3c;
            --danger-dark: #c0392b;
            --light: #ecf0f1;
            --dark: #34495e;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
            --radius: 8px;
            --radius-round: 50px;
            --transition: all 0.3s ease;
        }
    
    .btn2 {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 600;
        text-decoration: none;
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
        outline: none;
        box-shadow: var(--shadow);
    }

    .btn2:focus {
        box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
    }

    .btn2:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }

    .btn2:active {
        transform: translateY(-1px);
    }

    .btn-outline {
        background-color: transparent;
        border: 2px solid;
    }

    .btn-primary {
        background-color: var(--primary);
        color: var(--white);
    }

    .btn-primary:hover {
        background-color: var(--primary-dark);
    }

    .btn-warning {
        background-color: var(--warning);
        color: var(--white);
    }

    .btn-warning:hover {
        background-color: var(--warning-dark);
    }