/* 全局样式文件 */
/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* 按钮样式 */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #1a56db;
    border-color: #1a56db;
}

.btn-primary:hover {
    background-color: #0d47a1;
    border-color: #0d47a1;
}

/* 表单样式 */
.form-control {
    border-radius: 4px;
    border: 1px solid #ced4da;
    padding: 0.375rem 0.75rem;
}

.form-control:focus {
    border-color: #1a56db;
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 英雄区样式 */
.hero {
    background: linear-gradient(135deg, #1a56db 0%, #0d47a1 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .row > div {
        margin-bottom: 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* 价格级别样式 */
.price-level {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.85rem;
}

.level-L1 { background-color: #e9ecef; color: #495057; }
.level-L2 { background-color: #d3f9d8; color: #2b8a3e; }
.level-L3 { background-color: #8ce99a; color: #19692c; }
.level-L4 { background-color: #51cf66; color: #0b5213; }
.level-L5 { background-color: #2ecc71; color: #145524; }

/* 表格样式 */
.table {
    border-collapse: collapse;
    width: 100%;
}

.table th, .table td {
    padding: 0.75rem;
    vertical-align: middle;
    border-top: 1px solid #e9ecef;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* 页脚样式 */
.footer {
    background-color: #343a40;
    color: white;
    padding: 30px 0;
    margin-top: 40px;
    text-align: center;
}

/* 自定义组件样式 */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.filter-bar {
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.current-price {
    font-weight: bold;
    color: #e63946;
}