/* 申城商友汇 - 全站样式 */
:root {
    --primary: #1a5276;
    --primary-dark: #0e3a56;
    --primary-light: #2980b9;
    --accent: #e74c3c;
    --accent-hover: #c0392b;
    --bg: #f0f3f7;
    --surface: #ffffff;
    --text: #2c3e50;
    --text-muted: #7f8c8d;
    --border: #dce4ec;
    --success: #27ae60;
    --warning: #f39c12;
    --radius: 6px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Microsoft YaHei","PingFang SC",Arial,sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); text-decoration: underline; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* Top bar */
.top-bar { background: var(--primary-dark); color: #fff; font-size: 13px; }
.top-bar .wrap { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.top-bar a { color: #ffd700; margin-left: 14px; }

/* Header */
.header { background: var(--surface); border-bottom: 3px solid var(--primary); padding: 14px 0; }
.header .wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 700; color: var(--primary); }
.logo small { display: block; font-size: 12px; color: var(--text-muted); font-weight: 400; }

/* Main nav */
.main-nav { background: var(--primary); }
.main-nav .wrap { display: flex; }
.main-nav a { display: inline-block; color: #fff; padding: 14px 22px; font-size: 15px; text-decoration: none; transition: background .2s; }
.main-nav a:hover, .main-nav a.active { background: var(--primary-dark); text-decoration: none; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; padding: 40px 0; text-align: center; }
.hero h1 { font-size: 30px; margin-bottom: 10px; }
.hero p { font-size: 16px; opacity: .9; max-width: 600px; margin: 0 auto 20px; }

/* Quick entry */
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quick-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; transition: box-shadow .2s, transform .15s; cursor: pointer; }
.quick-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); transform: translateY(-2px); }
.quick-card .icon { font-size: 32px; margin-bottom: 8px; display: block; }
.quick-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.quick-card p { font-size: 13px; color: var(--text-muted); }

/* Section */
.section { padding: 24px 0; }
.section-title { display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--primary); margin-bottom: 18px; }
.section-title h2 { margin: 0; background: var(--primary); color: #fff; padding: 8px 18px; font-size: 17px; border-radius: 0 var(--radius) var(--radius) 0; }
.section-title .more { color: var(--primary); font-size: 14px; }

/* Card grid */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card h3 { font-size: 15px; color: var(--primary); margin-bottom: 6px; }
.card .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.card p { font-size: 14px; }

/* Tag */
.tag { display: inline-block; background: #fff3cd; color: #856404; padding: 2px 8px; border-radius: 3px; font-size: 12px; margin-right: 4px; }
.tag-level-4 { background: linear-gradient(135deg,#ffd700,#ff8c00); color:#fff; }
.tag-level-3 { background: #e8d5f2; color: #6b2c91; }
.tag-level-2 { background: #d4edda; color: #155724; }
.tag-level-1 { background: #f8f9fa; color: #6c757d; }

/* Table */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
table.data-table th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: left; font-size: 14px; }
table.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
table.data-table tr:hover td { background: #fafafa; }

/* Filter bar */
.filter-bar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filter-bar select, .filter-bar input { padding: 8px 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }
.filter-bar button { padding: 8px 18px; background: var(--primary); color: #fff; border: none; border-radius: 4px; cursor: pointer; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 20px; }
.pagination a, .pagination span { display: inline-block; padding: 8px 14px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }
.pagination a:hover { background: var(--primary); color: #fff; text-decoration: none; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Auth box */
.auth-box { max-width: 420px; margin: 30px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.auth-box h2 { text-align: center; color: var(--primary); margin-bottom: 20px; }
.auth-box .form-group { margin-bottom: 14px; }
.auth-box label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 14px; }
.auth-box input, .auth-box select { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }
.auth-box button { width: 100%; padding: 12px; background: var(--primary); color: #fff; border: none; border-radius: 4px; font-size: 16px; cursor: pointer; }
.auth-box button:hover { background: var(--primary-dark); }
.auth-box .error { color: #e74c3c; text-align: center; margin-bottom: 10px; font-size: 14px; }
.auth-box .tips { text-align: center; margin-top: 14px; font-size: 13px; color: var(--text-muted); }

/* User center */
.uc-sidebar { width: 200px; float: left; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.uc-sidebar a { display: block; padding: 14px 18px; color: var(--text); text-decoration: none; border-bottom: 1px solid var(--border); font-size: 14px; }
.uc-sidebar a:hover, .uc-sidebar a.active { background: var(--primary); color: #fff; }
.uc-main { margin-left: 220px; }
.uc-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.uc-card h3 { color: var(--primary); margin-bottom: 14px; font-size: 17px; }

/* Footer */
.footer { background: var(--primary-dark); color: #ccc; padding: 28px 0 14px; margin-top: 30px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 16px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 10px; }
.footer-col p { font-size: 13px; margin-bottom: 4px; }
.footer-col a { color: #ccc; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding-top: 12px; text-align: center; font-size: 13px; }

/* Detail */
.detail-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.detail-row { display: flex; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.detail-label { width: 120px; font-weight: 600; color: var(--text-muted); flex-shrink: 0; }
.detail-value { flex: 1; }

/* Responsive */
@media(max-width:768px) {
    .quick-grid, .card-grid { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: repeat(2, 1fr); }
    .header .wrap { flex-direction: column; gap: 10px; }
    .main-nav a { padding: 12px 14px; font-size: 14px; }
    .uc-sidebar { width: 100%; float: none; margin-bottom: 14px; }
    .uc-main { margin-left: 0; }
    .top-bar .wrap { flex-direction: column; height: auto; padding: 8px 0; text-align: center; }
    .top-bar a { margin-left: 8px; margin-right: 8px; }
    .main-nav .wrap { flex-wrap: wrap; }
    .main-nav a { flex: 1; text-align: center; padding: 10px 8px; font-size: 13px; min-width: 0; }
    .filter-bar { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; padding: 10px; gap: 8px; }
    .filter-bar a { flex: 1; text-align: center; padding: 8px 0; font-size: 13px; white-space: nowrap; min-width: 60px; margin-left: 0 !important; }
    .filter-bar select, .filter-bar input { width: 100%; }
    .filter-bar button { width: 100%; }
    .auth-box { margin: 16px auto; padding: 20px; }
    .hero { padding: 24px 0; }
    .hero h1 { font-size: 22px; }
    .hero p { font-size: 14px; }
    .section-title h2 { font-size: 15px; padding: 6px 12px; }
    .detail-row { flex-direction: column; }
    .detail-label { width: auto; margin-bottom: 4px; }
    table.data-table { font-size: 12px; }
    table.data-table th, table.data-table td { padding: 8px 6px; white-space: nowrap; }
    .pc-only { display: none !important; }
}
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
@media(max-width:768px) {
    .form-row { flex-direction: column; gap: 0; }
}