* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background: #f1f5f9;
    font-family: system-ui;
    color: #333;
    line-height: 1.6;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
header {
    background: #0f172a;
    color: #fff;
    padding: 30px 0;
}
.header-info {
    margin-top: 12px;
    color: #cbd5e1;
    font-size: 14px;
    display: flex;
    gap: 24px;
}
.cate-wrap {
    margin: 40px 0;
}
.cate-wrap h2 {
    font-size: 24px;
    margin-bottom: 24px;
}
.cate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 16px;
}
.cate-card {
    background: #fff;
    padding: 20px 10px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px #00000012;
    transition: 0.3s;
    cursor: pointer;
}
.cate-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px #00000018;
}
.cate-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}
.goods-block {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 32px;
}
.goods-block h3 {
    font-size: 20px;
    border-left: 4px solid #0ea5e9;
    padding-left: 12px;
    margin-bottom: 20px;
}
.goods-item {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
    transition: 0.25s;
}
.goods-item:hover {
    border-color: #3b82f6;
    background: #f8fafc;
}
.goods-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
}
.goods-desc {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 12px;
}
.price-box {
    display: flex;
    gap: 30px;
    margin-bottom: 16px;
}
.price-retail {
    color: #ef4444;
    font-weight: bold;
    font-size: 16px;
}
.price-agent {
    color: #2563eb;
    font-weight: 500;
}
.btn-group a {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    margin-right: 10px;
}
.btn-blue {
    background: #3b82f6;
    color: white;
}
.btn-gray {
    background: #e5e7eb;
    color: #1e293b;
}
.btn-dark {
    background: #1e293b;
    color: white;
}
.advantage {
    background: #0f172a;
    color: white;
    padding: 40px 0;
    border-radius: 12px;
    margin: 40px 0;
}
.advantage h2 {
    font-size: 24px;
    margin-bottom: 30px;
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.adv-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
}
.adv-item p {
    color: #cbd5e1;
}
footer {
    text-align: center;
    padding: 30px 0;
    color: #666;
    font-size: 14px;
}
/*后台通用样式*/
.admin-box {
    max-width: 900px;
    margin: 30px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 12px #00000015;
}
.admin-nav {
    background: #1e293b;
    padding: 15px 0;
}
.admin-nav .container a {
    color: white;
    margin-right: 20px;
    text-decoration: none;
}
.form-item {
    margin-bottom: 18px;
}
.form-item label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}
.form-item input, .form-item textarea, .form-item select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th,td {
    border:1px solid #eee;
    padding:10px;
    text-align:center;
}
th {
    background:#f8fafc;
}