body {
        background-color: #f5f7fa;
        font-family: 'Arial', sans-serif;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        margin: 0;
        padding: 0;
    }
    .layui-container {
        background-color: white;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        border-radius: 8px;
        padding: 20px;
        margin: 20px auto;
        flex: 1;
        width: 90%;
        max-width: 1200px;
    }
    .layui-table-link { 
        cursor: pointer; 
        color: #3498db;
        transition: color 0.3s ease;
    }
    .layui-table-link:hover {
        color: #2980b9;
        text-decoration: underline;
    }
    .layui-icon-folder { 
        color: #f39c12; 
        margin-right: 8px;
    }
    .layui-icon-file { 
        color: #7f8c8d; 
        margin-right: 8px;
    }

    /* 返回按钮样式 */
    #backBtn { 
        margin-bottom: 15px; 
        display: none;
        background-color: #3498db;
        color: white;
        border: none;
        transition: all 0.3s ease;
        transform: translateZ(0);
        align-items: center;
        justify-content: center;
        line-height: 1;
        padding: 0 15px;
        height: 36px;
    }
    #backBtn:hover {
        background-color: #2980b9;
    }
    #backBtn:active {
        transform: scale(0.98);
    }

    /* 下载按钮样式 */
    .layui-btn.layui-btn-xs {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        line-height: 1.2;
        height: 24px;
        padding: 0 10px;
        transform: translateZ(0);
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .layui-btn.layui-btn-xs:active {
        transform: scale(0.95) translateZ(0);
        opacity: 0.9;
    }

    .layui-table th {
        background-color: #f2f6fc;
        font-weight: bold;
        color: #333;
    }
    .folder-row:hover {
        background-color: #f0f5ff !important;
        transition: background-color 0.3s ease;
    }
    .layui-icon-password {
        color: #ff5722 !important;
        margin-right: 5px;
        animation: lockShake 0.5s ease-in-out;
    }
    @keyframes lockShake {
        0%, 100% { transform: translateX(0); }
        25% { transform: translateX(-3px); }
        75% { transform: translateX(3px); }
    }
    .layui-layer-prompt {
        border-radius: 8px !important;
    }
    .layui-layer-btn .layui-btn-primary {
        background-color: #3498db !important;
        border-color: #3498db !important;
    }
    .footer {
        text-align: center;
        padding: 20px;
        color: #666;
        background: linear-gradient(135deg, #f5f7fa, #e6e9ef);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        margin-top: 40px;
    }
    .footer a {
        color: #666;
        text-decoration: none;
        transition: color 0.3s;
    }
    .footer a:hover {
        color: #3498db;
    }
    .website-info {
        background-color: #ffffff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        margin-bottom: 20px;
        text-align: center;
    }
    .website-info h2 {
        margin: 0;
        font-size: 24px;
        color: #333;
    }
    .website-info p {
        margin: 10px 0 0;
        color: #666;
    }
    .website-info a {
        color: #3498db;
        text-decoration: none;
        transition: color 0.3s;
    }
    .website-info a:hover {
        color: #2980b9;
    }

    /* 响应式布局 */
    @media (max-width: 768px) {
        .layui-container {
            padding: 15px;
            margin: 10px auto;
        }
        .website-info {
            padding: 15px;
        }
        .website-info h2 {
            font-size: 20px;
        }
        .website-info p {
            font-size: 14px;
        }
        .layui-table th, .layui-table td {
            padding: 8px;
        }
        .layui-btn {
            padding: 5px 10px;
            font-size: 12px;
        }
        #backBtn {
            height: 32px;
            padding: 0 12px;
            font-size: 14px !important;
        }
        .layui-btn.layui-btn-xs {
            height: 22px;
            padding: 0 8px;
            font-size: 12px !important;
        }
    }

    @media (max-width: 480px) {
        .layui-container {
            padding: 10px;
            margin: 5px auto;
        }
        .website-info {
            padding: 10px;
        }
        .website-info h2 {
            font-size: 18px;
        }
        .website-info p {
            font-size: 12px;
        }
        .layui-table th, .layui-table td {
            padding: 6px;
        }
        .layui-btn {
            padding: 4px 8px;
            font-size: 10px;
        }
        #backBtn {
            height: 28px;
            padding: 0 10px;
            font-size: 12px !important;
        }
        .layui-btn.layui-btn-xs {
            height: 20px;
            padding: 0 6px;
            font-size: 10px !important;
        }
    }

    /* 加载状态指示器 */
    .layui-btn.layui-btn-xs.loading::after {
        content: '';
        display: inline-block;
        width: 12px;
        height: 12px;
        margin-left: 8px;
        border: 2px solid rgba(255,255,255,0.3);
        border-top-color: #fff;
        border-radius: 50%;
        animation: buttonSpin 0.8s linear infinite;
    }
    @keyframes buttonSpin {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }