:root {
            --primary: #3498db;
            --baidu: #1e88e5;
            --quark: #ff5722;
            --ali: #ffab00;
            --dark: #2c3e50;
            --light: #ecf0f1;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        /*body {*/
        /*    display: flex;*/
        /*    justify-content: center;*/
        /*    align-items: center;*/
        /*    min-height: 100vh;*/
        /*    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);*/
        /*    padding: 20px;*/
        /*}*/
        
        .download-container {
            width: 100%;
            max-width: 800px;
            perspective: 1000px;
        }
        
        .download-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 10px;
            transform-style: preserve-3d;
            transition: all 0.5s ease;
            position: relative;
            overflow: hidden;
        }
        
        .download-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        
        .download-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--baidu), var(--quark), var(--ali));
            animation: rainbow 5s linear infinite;
        }
        
        @keyframes rainbow {
            0% { background-position: 0% 50%; }
            100% { background-position: 100% 50%; }
        }
        
        .card-header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }
        
        .card-header h2 {
            color: var(--dark);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .card-header p {
            color: #7f8c8d;
            font-size: 16px;
        }
        
        .download-options {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 15px;
        }
        
        .download-option {
            background: white;
            border-radius: 10px;
            padding: 15px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.05);
            min-width: 0; /* 确保在小屏幕上不会溢出 */
        }
        
        .download-option:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
.download-option.baidu:hover {
    background: linear-gradient(149deg, rgb(30 136 229 / 20%) 0%, white 100%);
}

.download-option.quark:hover {
    background: linear-gradient(149deg, rgb(255 87 34 / 20%) 0%, white 100%);
}

.download-option.ali:hover {
    background: linear-gradient(149deg, rgb(255 171  0 / 20%) 0%, white 100%);
}
        
        .option-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 24px;
            color: white;
            transition: all 0.3s ease;
        }
        
        .baidu .option-icon {
            background-color: var(--baidu);
            box-shadow: 0 5px 15px rgba(30, 136, 229, 0.3);
        }
        
        .quark .option-icon {
            background-color: var(--quark);
            box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3);
        }
        
        .ali .option-icon {
            background-color: var(--ali);
            box-shadow: 0 5px 15px rgba(255, 171, 0, 0.3);
        }
        
        .download-option:hover .option-icon {
            transform: scale(1.1) rotate(10deg);
        }
        
        .option-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .option-desc {
            font-size: 13px;
            color: #7f8c8d;
            margin-bottom: 15px;
            height: 36px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .download-btn {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 13px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .baidu .download-btn {
            background-color: var(--baidu);
            color: white;
            box-shadow: 0 5px 15px rgba(30, 136, 229, 0.3);
        }
        
        .quark .download-btn {
            background-color: var(--quark);
            color: white;
            box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3);
        }
        
        .ali .download-btn {
            background-color: var(--ali);
            color: white;
            box-shadow: 0 5px 15px rgba(255, 171, 0, 0.3);
        }
        
        .download-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(-100%);
            transition: all 0.3s ease;
            z-index: -1;
        }
        
        .download-btn:hover::before {
            transform: translateX(0);
        }
        
        .download-btn:hover {
            transform: translateY(-2px);
        }
        
        .one-click-save {
            margin-top: 30px;
            text-align: center;
        }
        
        .one-click-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 25px;
            background: linear-gradient(135deg, var(--baidu), var(--quark));
            color: white;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .one-click-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--quark), var(--ali));
            opacity: 0;
            transition: all 0.3s ease;
            z-index: -1;
        }
        
        .one-click-btn:hover::before {
            opacity: 1;
        }
        
        .one-click-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            color: white !important;
        }
        
        .one-click-btn i {
            margin-right: 8px;
            font-size: 18px;
        }
        
        /* 响应式调整 */
        @media (max-width: 600px) {
            .download-card {
                padding: 20px 15px;
            }
            
            .card-header h2 {
                font-size: 22px;
            }
            
            .card-header p {
                font-size: 14px;
            }
            
            .download-options {
                gap: 10px;
            }
            
            .download-option {
                padding: 12px 8px;
            }
            
            .option-icon {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
            
            .option-title {
                font-size: 14px;
            }
            
            .option-desc {
                font-size: 12px;
                height: 32px;
                margin-bottom: 10px;
            }
            
            .download-btn {
                /* padding: 3px 6px; */
                font-size: 12px;
            }
            
            .one-click-btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }
        
        @media (max-width: 400px) {
            .card-header h2 {
                font-size: 20px;
            }
            
            .card-header p {
                font-size: 13px;
            }
            
            .option-title {
                font-size: 13px;
            }
            
            .option-desc {
                font-size: 11px;
                height: 50px;
            }
            
            .one-click-btn {
                padding: 8px 16px;
                font-size: 13px;
            }
        }