/* 更新卡片样式 */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 40px auto;
    max-width: 800px;
    background: white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 更新页眉样式 */
.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px 0;
    text-align: center;
    color: white;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 0 0 20px 20px;
}

/* 更新标题样式 */
.card-title {
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    font-size: 3rem;
    text-align: center;
    letter-spacing: 1px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

/* 更新文本样式 */
.card-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
    text-align: center;
    line-height: 1.6;
}

/* 更新按钮样式 */
.btn {
    border-radius: 50px;
    padding: 12px 25px;
    margin: 10px 5px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

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

/* 自定义按钮颜色 */
.btn-primary {
    background-color: #007bff;
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-info {
    background-color: #17a2b8;
    color: white;
    border: none;
}

.btn-info:hover {
    background-color: #138496;
}

.btn-success {
    background-color: #28a745;
    color: white;
    border: none;
}

.btn-success:hover {
    background-color: #218838;
}

/* 添加分隔线样式 */
hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 30px 0;
}

/* 添加商店图标样式 */
.store-icon {
    font-size: 5rem;
    color: #667eea;
    margin-bottom: 20px;
    text-align: center;
    display: block;
}