/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    padding: 20px;
}

/* 毛玻璃容器 */
.glass-container {
    width: 100%;
    max-width: 500px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    text-align: center;
}

.glass-title {
    color: white;
    margin-bottom: 30px;
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 按钮容器 */
.button-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 毛玻璃按钮 */
.glass-button {
    padding: 15px 30px;
    text-decoration: none;
    color: white;
    font-size: 18px;
    font-weight: 500;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.2);
}

/* 品牌按钮特定样式 */
.nike-btn {
    background: rgba(0, 0, 0, 0.2);
    border-left: 4px solid #ffffff;
}

.rolex-btn {
    background: rgba(0, 0, 0, 0.2);
    border-left: 4px solid #00a0e1;
}

.gucci-btn {
    background: rgba(0, 0, 0, 0.2);
    border-left: 4px solid #0a9e88;
}

/* 背景动画 */
@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 响应式设计 */
@media (max-width: 600px) {
    .glass-container {
        padding: 20px;
    }
    
    .glass-button {
        padding: 12px 25px;
        font-size: 16px;
    }
}