* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
  /* 背景遮罩层，增强文字可读性 */
  body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

h1 {
    margin-bottom: 30px;
    font-size: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.button-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    gap: 15px;
}

.button {
    flex: 1;
    min-height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    padding: 10px 15px;
    text-align: left;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

/* 数字序号圆圈 */
.button::before {
    content: attr(data-number);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background-color: rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 50%;
    margin-right: 15px;
    font-weight: bold;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.button:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.button:hover::before {
    background-color: rgba(255, 255, 255, 0.4);
}

/* 平板和桌面端样式 */
@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
        margin-bottom: 40px;
    }
    
    .button {
        min-height: 120px;
        font-size: 1.2rem;
        border-radius: 10px;
        padding: 15px 25px;
    }
    
    .button::before {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin-right: 20px;
    }
    
    .button-row {
        margin-bottom: 20px;
        gap: 20px;
    }
}