/* tpub.cn 移动端样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #4F6EF7;
  --primary-light: #EEF1FE;
  --danger: #F56C6C;
  --success: #67C23A;
  --warning: #E6A23C;
  --text: #303133;
  --text-secondary: #909399;
  --bg: #F5F7FA;
  --white: #FFFFFF;
  --border: #E4E7ED;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }

/* Header */
.header { background: var(--white); padding: 12px 16px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.header .logo { font-size: 20px; font-weight: 700; color: var(--primary); }
.header .logo span { color: var(--text); }
.header .search-box { flex: 1; display: flex; align-items: center; background: var(--bg); border-radius: 20px; padding: 6px 14px; }
.header .search-box input { border: none; background: none; outline: none; flex: 1; font-size: 14px; }
.header .search-box .icon { color: var(--text-secondary); font-size: 16px; }
.header .back { font-size: 18px; color: var(--text); cursor: pointer; }

/* Bottom Tab */
.bottom-tab { position: fixed; bottom: 0; left: 0; right: 0; background: var(--white); display: flex; border-top: 1px solid var(--border); z-index: 100; padding-bottom: env(safe-area-inset-bottom); }
.bottom-tab a { flex: 1; text-align: center; padding: 8px 0; font-size: 12px; color: var(--text-secondary); text-decoration: none; }
.bottom-tab a.active { color: var(--primary); }
.bottom-tab a .tab-icon { font-size: 22px; display: block; margin-bottom: 2px; }

/* Content area */
.content { padding: 12px 16px; padding-bottom: 70px; }

/* Category Grid */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.category-item { background: var(--white); border-radius: var(--radius); padding: 16px 8px; text-align: center; box-shadow: var(--shadow); cursor: pointer; }
.category-item .cat-icon { font-size: 28px; display: block; margin-bottom: 6px; }
.category-item .cat-name { font-size: 13px; color: var(--text); }

/* Post Card */
.post-card { background: var(--white); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow); }
.post-card .card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.post-card .card-title { font-size: 16px; font-weight: 600; color: var(--text); flex: 1; }
.post-card .card-price { font-size: 16px; font-weight: 700; color: var(--danger); }
.post-card .card-category { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 12px; padding: 2px 8px; border-radius: 4px; margin-bottom: 6px; }
.post-card .card-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .card-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-secondary); }
.post-card .card-meta .meta-item { display: flex; align-items: center; gap: 4px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; transition: opacity 0.2s; }
.btn:active { opacity: 0.8; }
.btn-primary { background: var(--primary); color: var(--white); width: 100%; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-small { padding: 6px 14px; font-size: 13px; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-success { background: var(--success); color: var(--white); }
.btn-warning { background: var(--warning); color: var(--white); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Auth Pages */
.auth-page { padding: 40px 24px; min-height: 100vh; background: var(--white); }
.auth-page .auth-title { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.auth-page .auth-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 32px; }
.auth-page .code-row { display: flex; gap: 10px; }
.auth-page .code-row input { flex: 1; }
.auth-page .code-row .btn-send { width: 110px; font-size: 13px; padding: 10px; background: var(--primary-light); color: var(--primary); border: 1px solid var(--primary); border-radius: 8px; cursor: pointer; }
.auth-page .code-row .btn-send:disabled { opacity: 0.5; }
.auth-page .auth-link { text-align: center; margin-top: 20px; font-size: 14px; color: var(--text-secondary); }

/* Status Badge */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.badge-pending { background: #FFF3E0; color: #E65100; }
.badge-approved { background: #E8F5E9; color: #2E7D32; }
.badge-rejected { background: #FFEBEE; color: #C62828; }

/* Empty State */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state .empty-text { font-size: 15px; color: var(--text-secondary); }

/* Loading */
.loading { text-align: center; padding: 20px; color: var(--text-secondary); }

/* Toast */
.toast { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.78); color: white; padding: 12px 24px; border-radius: 8px; font-size: 14px; z-index: 9999; pointer-events: none; animation: toastIn 0.3s; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, -40%); } to { opacity: 1; transform: translate(-50%, -50%); } }

/* Post Detail */
.detail-page { background: var(--white); min-height: 100vh; }
.detail-page .detail-header { padding: 16px; border-bottom: 1px solid var(--border); }
.detail-page .detail-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.detail-page .detail-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.detail-page .detail-price { font-size: 22px; font-weight: 700; color: var(--danger); margin-bottom: 12px; }
.detail-page .detail-body { padding: 16px; }
.detail-page .detail-body p { font-size: 15px; line-height: 1.8; margin-bottom: 12px; }
.detail-page .detail-contact { background: var(--primary-light); border-radius: var(--radius); padding: 16px; margin: 16px; }
.detail-page .detail-contact .contact-item { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 8px; }
.detail-page .detail-contact .contact-item:last-child { margin-bottom: 0; }
.detail-page .detail-images { padding: 0 16px 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.detail-page .detail-images img { border-radius: 8px; width: 100%; aspect-ratio: 1; object-fit: cover; }

/* Tab filter */
.tab-filter { display: flex; background: var(--white); border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.tab-filter .tab-item { flex: 1; text-align: center; padding: 12px 0; font-size: 14px; color: var(--text-secondary); cursor: pointer; border-bottom: 2px solid transparent; }
.tab-filter .tab-item.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ===== 字体加大 override (2026-08-08) ===== */
body { font-size: 16px; }
.header .logo { font-size: 24px; }
.header .search-box input { font-size: 16px; }
.header .search-box .icon { font-size: 18px; }
.header .back { font-size: 20px; }
.bottom-tab a { font-size: 14px; }
.bottom-tab a .tab-icon { font-size: 24px; }
.category-item .cat-name { font-size: 15px; }
.post-card .card-title { font-size: 18px; }
.post-card .card-price { font-size: 18px; }
.post-card .card-category { font-size: 13px; }
.post-card .card-desc { font-size: 16px; }
.post-card .card-meta { font-size: 13px; }
.form-group label { font-size: 16px; }
.form-group input, .form-group select, .form-group textarea { font-size: 17px; }
.btn { font-size: 17px; }
.btn-small { font-size: 14px; }
.auth-page .auth-title { font-size: 30px; }
.auth-page .auth-subtitle { font-size: 16px; }
.auth-page .code-row .btn-send { font-size: 14px; }
.auth-page .auth-link { font-size: 16px; }
.badge { font-size: 13px; }
.empty-state .empty-text { font-size: 17px; }
.toast { font-size: 16px; }
.detail-page .detail-title { font-size: 22px; }
.detail-page .detail-meta { font-size: 14px; }
.detail-page .detail-price { font-size: 24px; }
.detail-page .detail-body p { font-size: 17px; }
.detail-page .detail-contact .contact-item { font-size: 16px; }
.tab-filter .tab-item { font-size: 16px; }