/* ============================================================
   农产品物流匹配平台 - 全局样式
   设计原则：移动优先 · 大字号 · 扁平简洁 · 统一组件
   字体：阿里妈妈方圆体（免费商用，本地部署）
   ============================================================ */

/* ============ 字体（阿里妈妈方圆体，可变字重 200-700） ============ */
@font-face {
    font-family: 'AlimamaFangYuanTi';
    src: url('../fonts/AlimamaFangYuanTiVF.woff2') format('woff2');
    font-weight: 200 700;
    font-display: swap;
}

/* ============ 设计变量 ============ */
:root {
    --green: #2e9e5b;
    --green-d: #25864d;
    --green-l: #e7f4ec;
    --blue: #1f7ae0;
    --blue-d: #1768c1;
    --blue-l: #e6f0fb;
    --ink: #1f2a37;
    --muted: #55606c;
    --line: #dfe3e8;
    --bg: #f6f8f7;
    --card: #ffffff;
    --warn: #b45309;
    --warn-l: #fff7e6;
    --danger: #dc2626;
    --danger-l: #fee2e2;
    --ok: #16a34a;
    --radius: 12px;
    --radius-s: 8px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }

body {
    font-family: 'AlimamaFangYuanTi', -apple-system, BlinkMacSystemFont,
                 "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 17px;          /* 移动端基础字号，比常规网站大 */
    line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.3; font-weight: 600; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.main { min-height: 60vh; padding: 16px 0 40px; }

/* ============ 顶部导航 ============ */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-inner {
    display: flex;
    align-items: center;
    height: 60px;
    gap: 10px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 700;
    color: var(--ink);
    font-size: 19px;
    white-space: nowrap;
}
.brand:hover { color: var(--ink); }
.brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--green);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
    flex: none;
    user-select: none;
}

.nav { display: flex; align-items: center; gap: 2px; flex: 1; margin-left: 10px; }
.nav-link {
    color: var(--ink);
    padding: 10px 14px;
    border-radius: var(--radius-s);
    font-size: 17px;
    white-space: nowrap;
}
.nav-link:hover { background: var(--green-l); color: var(--green-d); }
.nav-link.active { background: var(--green-l); color: var(--green-d); font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.bell { position: relative; font-size: 20px; line-height: 1; padding: 8px; }

/* 移动端登录入口：默认隐藏（仅手机端显示单图标） */
.auth-mobile-icon { display: none; color: var(--green-d); font-size: 28px; line-height: 1; padding: 4px; }
.auth-mobile-icon:hover { color: var(--green); }
.badge {
    position: absolute;
    top: 0;
    right: -2px;
    background: var(--danger);
    color: #fff;
    font-size: 12px;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    padding: 0 5px;
}
.user-menu { display: flex; align-items: center; gap: 10px; }
.user-link { color: var(--ink); font-weight: 600; font-size: 17px; }
.logout-link { color: var(--muted); font-size: 16px; }

.menu-toggle {
    display: inline-block;
    background: none;
    border: none;
    font-size: 26px;
    cursor: pointer;
    padding: 6px 10px;
    color: var(--ink);
    margin-left: auto;
}

/* ============ 按钮（大触控目标） ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-s);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    line-height: 1.25;
    text-decoration: none;
    min-height: 48px;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn-primary { background: var(--green); color: #fff; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-outline { border-color: var(--green); color: var(--green); background: #fff; }
.btn-outline:hover { background: var(--green-l); }
.btn-ghost { background: #eef1f3; color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 15px; min-height: 38px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ============ 卡片 ============ */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
}
.card-tight { padding: 14px; }

/* ============ 表单（16px+ 防止 iOS 聚焦缩放） ============ */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 16px; color: var(--muted); margin-bottom: 8px; }
.form-label .req { color: var(--danger); }
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    font-size: 17px;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
    min-height: 50px;
}
.form-control:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-l);
}
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }
.code-row { flex-wrap: nowrap; align-items: stretch; }
.code-row .form-control { flex: 1 1 auto; width: auto; min-width: 0; }
.sms-btn { flex: none; white-space: nowrap; font-size: 17px; padding: 10px 12px; }
.form-hint { font-size: 15px; color: var(--muted); margin-top: 6px; }
.form-error { font-size: 15px; color: var(--danger); margin-top: 6px; }

/* ============ 徽章 ============ */
.badge-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 14px;
    line-height: 1.5;
    white-space: nowrap;
}
.badge-green { background: var(--green-l); color: var(--green-d); }
.badge-blue  { background: var(--blue-l); color: var(--blue-d); }
.badge-warn  { background: var(--warn-l); color: var(--warn); }
.badge-danger{ background: var(--danger-l); color: var(--danger); }
.badge-muted { background: #eef1f3; color: var(--muted); }

/* ============ 网格 ============ */
.grid { display: grid; gap: 16px; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

/* ============ 卡片列表（农产品 / 货源） ============ */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.product-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.product-thumb { width: 100%; height: 190px; background: var(--green-l); object-fit: cover; }
.product-thumb.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-d);
    font-size: 36px;
}
.product-body { padding: 14px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.product-title { font-weight: 600; font-size: 18px; color: var(--ink); }
.product-meta { font-size: 15px; color: var(--muted); }
.product-price { color: var(--danger); font-weight: 600; font-size: 19px; }
.product-tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* ============ 表格 ============ */
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th, .table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
}
.table th { background: #f9fafb; color: var(--muted); font-weight: 500; font-size: 15px; }

/* ============ 提示与状态 ============ */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-s);
    margin-bottom: 16px;
    border: 1px solid transparent;
    font-size: 16px;
}
.flash-success { background: var(--green-l); color: var(--green-d); border-color: #b9e6c8; }
.flash-error   { background: var(--danger-l); color: var(--danger); border-color: #fbc8c8; }
.flash-warn    { background: var(--warn-l); color: var(--warn); border-color: #ffe3a3; }
.flash-info    { background: var(--blue-l); color: var(--blue-d); border-color: #c5dffb; }

.empty {
    text-align: center;
    padding: 48px 16px;
    color: var(--muted);
    font-size: 17px;
}
.empty-icon { font-size: 44px; margin-bottom: 10px; color: #b6bfc9; }

/* ============ 首页板块 ============ */
.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    margin-top: 18px;
    color: var(--green-d);
    font-size: 16px;
    font-weight: 500;
}
.hero-points i { margin-right: 4px; }

.feature-card { display: flex; flex-direction: column; gap: 8px; }
.feature-card strong { font-size: 18px; }
.feature-card .text-muted { font-size: 15px; }
.feature-icon {
    font-size: 30px;
    line-height: 1;
}
.feature-icon.green { color: var(--green); }
.feature-icon.blue { color: var(--blue); }

.cta-band {
    background: var(--blue-l);
    border: 1px solid #c5dffb;
    border-radius: var(--radius);
    padding: 22px 20px;
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 6px; font-size: 21px; }
.cta-band p { margin: 0; font-size: 15px; }

.quick-icon {
    font-size: 26px;
    line-height: 1;
    color: var(--green);
    margin-bottom: 6px;
}
.notif-icon {
    font-size: 20px;
    line-height: 1;
    color: var(--green);
    flex: none;
}

/* ============ 分页 ============ */
.pagination-wrap {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.page-info { font-size: 15px; color: var(--muted); }
.pagination { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 44px;
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    background: #fff;
    color: var(--ink);
    font-size: 16px;
}
a.page-btn:hover { border-color: var(--green); color: var(--green-d); background: var(--green-l); }
.page-btn.num { min-width: 44px; justify-content: center; padding: 8px 0; }
.page-btn.current { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
.page-btn.disabled { color: #aab2bb; background: #f3f5f7; cursor: not-allowed; }

/* 多图缩略图与主图标签 */
.img-thumbs { display: flex; flex-wrap: wrap; gap: 8px; }
.img-thumb-wrap { position: relative; }
.img-thumb-wrap .main-tag {
    position: absolute;
    left: 0;
    top: 0;
    background: var(--green);
    color: #fff;
    font-size: 12px;
    line-height: 1;
    padding: 3px 7px;
    border-radius: 8px 0 8px 0;
}
.js-gallery-thumb { border: 2px solid transparent; transition: border-color .15s; }
.js-gallery-thumb:hover { border-color: var(--green-l); }
.js-gallery-thumb.active { border-color: var(--green); }

/* 后台审核页 Tab 切换条 */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border);
}
.tabs .tab {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-2, #5a6a75);
    text-decoration: none;
    white-space: nowrap;
    border:1px solid transparent;
    margin-bottom: -2px;
}
.tabs .tab:hover { color: var(--green-d); }
.tabs .tab.active {
    color: var(--green-d);
    background: var(--green-l, #e7f4ec);
    border-color: var(--border);
}
.tabs .tab .tab-count {
    display: inline-block;
    margin-left: 4px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--border);
    font-size: 14px;
}
.tabs .tab.active .tab-count { background: var(--green-d); color: #fff; }

/* 后台列表批量操作条 */
.bulk-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding: 10px 12px;
    background: var(--surface-2, #f7f9fa);
    border: 1px solid var(--border, #e5e9ec);
    border-radius: var(--radius-s);
    font-size: 15px;
}
.bulk-bar label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.bulk-bar input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }
.table input[type="checkbox"], .card input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; vertical-align: middle; }

/* 车辆卡片：左图右文 */
.veh-row { display: flex; gap: 12px; align-items: flex-start; }
.veh-img { flex-shrink: 0; }
.veh-img img, .veh-img-placeholder {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.veh-img-placeholder { background: var(--green-l); color: var(--green-d); font-size: 30px; }
.veh-info { flex: 1; min-width: 0; }

/* 发布页上传选择框 */
.upload-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 130px;
    padding: 20px 16px;
    border: 2px dashed #c3d9c9;
    border-radius: var(--radius-s);
    background: var(--green-l);
    color: var(--green-d);
    cursor: pointer;
    text-align: center;
    transition: border-color .15s, background .15s;
}
.upload-box:hover { border-color: var(--green); background: #eef7ef; }
.upload-box i { font-size: 30px; }
.upload-box .upload-title { font-size: 17px; font-weight: 600; color: var(--ink); }
.upload-box .upload-hint { font-size: 14px; color: var(--muted); }
.upload-files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.upload-file-item {
    font-size: 14px;
    color: var(--green-d);
    background: var(--green-l);
    border: 1px solid #c3d9c9;
    border-radius: 999px;
    padding: 4px 12px;
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.page-ellipsis { color: var(--muted); padding: 0 2px; }
@media (max-width: 480px) {
    .page-btn { padding: 8px 12px; font-size: 15px; }
    .page-btn.num { min-width: 42px; }
}

/* ============ 筛选条 ============ */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
    background: #fff;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.filter-bar .form-control { min-height: 46px; }
.filter-bar .search-input { flex: 1; min-width: 180px; }

/* ============ 时间线 ============ */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
    position: relative;
    padding: 0 0 18px 26px;
    border-left: 2px solid var(--line);
    margin-left: 8px;
}
.timeline li:last-child { border-left-color: transparent; }
.timeline li::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--green);
}
.timeline .tl-time { font-size: 14px; color: var(--muted); }
.timeline .tl-text { font-size: 16px; }

/* ============ 首页英雄区（纯色扁平） ============ */
.hero {
    background: var(--green-l);
    border: 1px solid #cde9d8;
    border-radius: var(--radius);
    padding: 24px 20px;
    margin-bottom: 20px;
}
.hero h1 { font-size: 24px; }
.hero-sub { color: var(--muted); margin-bottom: 18px; font-size: 17px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 24px 0 14px;
    gap: 10px;
}
.section-title h1 { font-size: 23px; margin: 0; }
.section-title h2 { font-size: 20px; margin: 0; }
.section-title a { font-size: 16px; white-space: nowrap; }

.stat-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 16px 0;
}
.stat-card {
    flex: 1;
    min-width: 140px;
    background: #fff;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    text-align: center;
}
.stat-num { font-size: 26px; font-weight: 700; color: var(--green-d); }
.stat-label { font-size: 15px; color: var(--muted); }

/* ============ 页脚 ============ */
.footer {
    background: #fff;
    border-top: 1px solid var(--line);
    padding: 16px 0;
    text-align: center;
    color: var(--muted);
    font-size: 15px;
}
.footer .container { display: flex; justify-content: center; flex-direction: column; gap: 6px; }
.footer-meta { color: #8a939e; font-size: 14px; }

/* ============ 管理后台布局 ============ */
.admin-layout { display: flex; gap: 16px; flex-direction: column; }
.admin-side {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 8px;
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 2px;
}
.admin-side a {
    color: var(--ink);
    padding: 10px 14px;
    border-radius: var(--radius-s);
    font-size: 16px;
    white-space: nowrap;
}
.admin-side a:hover { background: var(--green-l); color: var(--green-d); }
.admin-side a.active { background: var(--green); color: #fff; }
.admin-main { flex: 1; min-width: 0; }

/* ============ 响应式：平板及以上 ============ */
@media (min-width: 640px) {
    body { font-size: 18px; }
    .hero h1 { font-size: 28px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .footer .container { flex-direction: row; justify-content: space-between; }
}
@media (min-width: 900px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .main { padding: 24px 0 48px; }
    .hero { padding: 32px 28px; }
    .admin-layout { flex-direction: row; }
    .admin-side {
        flex: 0 0 190px;
        flex-direction: column;
        overflow-x: visible;
        align-self: flex-start;
    }
}

/* 桌面端显示汉堡按钮的旧逻辑反转：桌面显示完整导航 */
@media (max-width: 768px) {
    .menu-toggle { display: inline-block; }
    .nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-bottom: 1px solid var(--line);
        padding: 8px 12px 12px;
        gap: 0;
    }
    .nav.open { display: flex; }
    .nav-link { padding: 14px 12px; font-size: 18px; border-radius: var(--radius-s); }
    .brand-text { font-size: 17px; }
    /* 菜单按钮紧跟品牌名，右侧用户图标由 topbar-right 的 auto 边距顶到最右 */
    .menu-toggle { margin-left: 0; padding-left: 2px; padding-right: 6px; }
    /* 手机端：隐藏登录/注册按钮，只保留单个用户图标入口 */
    .auth-desktop { display: none; }
    .auth-mobile-icon { display: inline-flex; align-items: center; }
}
@media (min-width: 769px) {
    .menu-toggle { display: none; }
}

/* ============ 通用工具 ============ */
.text-muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--ok); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; } .gap-4 { gap: 16px; }