/* =========================================================
   松河外贸工具查询 - 全站统一样式表（前台）
   结构：全局基础 → 导航 → 通用组件 → 广告位 → 分页面（pg-* 作用域） → 单据打印（print-body）
   ========================================================= */

/* ---------- 变量与基础 ---------- */
:root {
    --brand: #1a5fb4;
    --brand-light: #e8f0fb;
    --bg: #f5f6f8;
    --card: #fff;
    --text: #222;
    --text-2: #666;
    --text-3: #999;
    --line: #ebedf0;
    --ok: #1a7f37;
    --err: #c0392b;
    --fav: #e67e22;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--brand); text-decoration: none; }

/* ---------- 头部导航 ---------- */
header { background: var(--card); border-bottom: 1px solid var(--line); position: relative; }
.nav {
    max-width: 1080px; margin: 0 auto; padding: 10px 16px;
    display: flex; align-items: center; gap: 16px;
}
.nav .logo { font-size: 22px; font-weight: 700; color: var(--brand); white-space: nowrap; }
.nav .logo-img { height: 44px; max-width: 240px; object-fit: contain; display: block; }
.nav-links {
    display: grid; grid-template-columns: repeat(9, auto); justify-content: end;
    align-items: center; gap: 2px 0; margin-left: auto;
}
.nav a.link { color: var(--text-2); font-size: 13px; line-height: 22px; padding: 3px 9px; white-space: nowrap; cursor: pointer; text-align: center; }
.nav a.link:hover { color: var(--brand); }
/* 当前栏目：加粗 + 品牌色区分 */
.nav a.link.active { color: var(--brand); font-weight: 600; }
/* 收藏本站：橙色区分 */
.nav a.link#favSite { color: var(--fav); font-weight: 600; }
.nav a.link#favSite:hover { color: #cf6d10; }
.nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 40px; height: 40px; font-size: 22px; line-height: 1; color: var(--text);
}
@media (max-width: 760px) {
    .nav { padding: 8px 16px; }
    .nav .logo { font-size: 18px; }
    .nav .logo-img { height: 34px; max-width: 180px; }
    .nav-toggle { display: block; margin-left: auto; }
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 50;
        margin-left: 0;
        background: var(--card); border-bottom: 1px solid var(--line);
        box-shadow: 0 8px 16px rgb(0 0 0 / 8%); padding: 4px 0 8px;
    }
    /* 移动端展开：一行 2 个，左右列以浅色背景区分 */
    .nav-links.open { display: grid; grid-template-columns: 1fr 1fr; }
    .nav a.link {
        padding: 12px 8px; border-bottom: 1px solid var(--line);
        font-size: 15px; text-align: center; white-space: normal;
    }
    .nav a.link:nth-child(odd) { background: #f2f6fb; border-right: 1px solid var(--line); }
    .nav a.link:nth-child(even) { background: #fbfcfe; }
    .nav a.link.active { background: var(--brand-light); }
    .nav a.link:last-child { border-bottom: none; }
    .nav a.link:nth-last-child(2):nth-child(odd) { border-bottom: none; }
}

/* ---------- 主体与通用组件 ---------- */
main { max-width: 1080px; margin: 24px auto; padding: 0 16px; }

.card { background: var(--card); border-radius: 10px; padding: 24px; box-shadow: 0 1px 4px rgb(0 0 0 / 5%); }
.page-title { font-size: 20px; font-weight: 700; }
.page-sub { color: var(--text-2); font-size: 13px; margin-top: 4px; }
.divider { height: 1px; background: var(--line); margin: 16px 0 20px; }

/* 表单 */
.search-bar { display: flex; gap: 10px; }
.search-bar input[type=text] {
    flex: 1; height: 42px; border: 1px solid var(--line); border-radius: 8px;
    padding: 0 14px; font-size: 14px; outline: none; background: var(--bg);
}
.search-bar input[type=text]:focus { border-color: var(--brand); background: #fff; }
.btn {
    height: 42px; padding: 0 22px; border: none; border-radius: 8px; cursor: pointer;
    background: var(--brand); color: #fff; font-size: 14px; white-space: nowrap;
}
.btn:hover { opacity: .9; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
select.input, input.input {
    height: 38px; border: 1px solid var(--line); border-radius: 8px; padding: 0 10px;
    font-size: 14px; outline: none; background: #fff;
}
select.input:focus, input.input:focus { border-color: var(--brand); }

/* 查询结果 */
.result { margin-top: 20px; display: none; }
.result.show { display: block; }
.result .err { color: var(--err); font-size: 14px; }
.kv { display: grid; grid-template-columns: 96px 1fr; row-gap: 10px; font-size: 14px; }
.kv dt { color: var(--text-3); }
.kv dd { color: var(--text); }
.tag {
    display: inline-block; background: var(--brand-light); color: var(--brand);
    font-size: 12px; padding: 2px 8px; border-radius: 4px; margin-left: 8px; vertical-align: middle;
}
.loc-main { font-size: 16px; font-weight: 600; margin-bottom: 4px; }

/* 表格 */
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--text-3); font-weight: 500; background: #fafbfc; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .num { font-variant-numeric: tabular-nums; }
.tbl .hi { color: var(--brand); font-weight: 600; }

footer { text-align: center; color: var(--text-3); font-size: 12px; padding: 24px 0; }
.muted { color: var(--text-3); font-size: 12px; }

/* ---------- 广告位 ---------- */
.ad-banner { margin-top: 22px; }
.ad-banner .ad-slot { margin: 0 0 12px; }
.ad-grid {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 22px;
}
.ad-grid .ad-cell { margin: 0; }
@media (max-width: 960px) { .ad-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 760px) { .ad-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .ad-grid { grid-template-columns: repeat(2, 1fr); } }
.ad-slot { display: block; margin: 0 0 16px; }
.ad-img { max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 8px; }
.ad-cell { background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.ad-cell .ad-img { width: 100%; border-radius: 0; }
.ad-box {
    padding: 14px 16px; color: var(--text-2); font-size: 13px; line-height: 1.7;
    text-align: center;
}
.ad-default {
    background: var(--card); border: 1px dashed #c8cdd5; border-radius: 10px;
    padding: 18px 22px; color: var(--text-2); font-size: 14px; line-height: 1.7;
    text-align: center;
}
.ad-default a { color: var(--brand); }
.ad-cell a { color: var(--brand); }

/* =========================================================
   分页面样式（body 上以 pg-* 类作用域隔离）
   ========================================================= */

/* ---------- 首页 ---------- */
.pg-home .tool-card { display: block; color: inherit; transition: transform .15s, box-shadow .15s; }
.pg-home .tool-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgb(0 0 0 / 10%); }
.pg-home .tool-card > div:first-child,
.pg-home .tool-card h2 { text-align: center; }

/* ---------- 海运费估算 ---------- */
.pg-freight .fgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; align-items: end; }
.pg-freight .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.pg-freight .fld input, .pg-freight .fld select { height: 38px; border: 1px solid var(--line); border-radius: 8px; padding: 0 10px; font-size: 14px; }
.pg-freight .est-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.pg-freight .big { font-size: 24px; font-weight: 700; color: var(--brand); margin-top: 12px; }

/* ---------- 报价与风控 ---------- */
.pg-quote .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.pg-quote .fld input { color: var(--text); }
.pg-quote .price-big { font-size: 22px; font-weight: 700; color: var(--brand); }

/* ---------- 单据生成器 ---------- */
.pg-docs .fgrid { display: flex; gap: 12px; flex-wrap: wrap; }
.pg-docs .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); min-width: 160px; }
.pg-docs .fld input, .pg-docs .fld select, .pg-docs .fld textarea { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 14px; font-family: inherit; }
.pg-docs .tbl input { border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; font-size: 13px; width: 100%; }

/* ---------- 空运体积重 ---------- */
.pg-air .fgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; align-items: end; }
.pg-air .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.pg-air .fld input { height: 38px; border: 1px solid var(--line); border-radius: 8px; padding: 0 10px; font-size: 14px; }
.pg-air .big { font-size: 22px; font-weight: 700; color: var(--brand); margin-top: 16px; }
.pg-air .kv2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; font-size: 14px; }
.pg-air .kv2 .cell { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }

/* ---------- 世界时钟 ---------- */
.pg-clock .cgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.pg-clock .city { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.pg-clock .city .cn { font-size: 14px; font-weight: 600; }
.pg-clock .city .ctry { font-size: 12px; color: var(--text-3); }
.pg-clock .city .time { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 6px; }
.pg-clock .city .state { font-size: 12px; margin-top: 4px; }
.pg-clock .work { color: var(--ok); }
.pg-clock .off { color: var(--text-3); }

/* ---------- 装柜计算 ---------- */
.pg-container .fgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; align-items: end; }
.pg-container .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.pg-container .fld input { height: 38px; border: 1px solid var(--line); border-radius: 8px; padding: 0 10px; font-size: 14px; }
.pg-container .cbox { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-top: 12px; }
.pg-container .cbox h3 { font-size: 14px; display: flex; justify-content: space-between; align-items: center; }
.pg-container .badge { background: var(--brand-light); color: var(--brand); border-radius: 6px; font-size: 12px; padding: 2px 8px; }
.pg-container .bar { height: 8px; border-radius: 4px; background: var(--line); margin: 8px 0 4px; overflow: hidden; }
.pg-container .bar i { display: block; height: 100%; background: var(--brand); }
.pg-container .warn { color: var(--err); font-size: 12px; }

/* ---------- 单位换算 ---------- */
.pg-units .fgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; align-items: end; }
.pg-units .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.pg-units #out { font-size: 20px; font-weight: 700; color: var(--brand); margin-top: 18px; }

/* ---------- 号码邮箱校验 ---------- */
.pg-validate .fgrid { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.pg-validate .fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); min-width: 160px; }
.pg-validate .fld input, .pg-validate .fld select { height: 38px; border: 1px solid var(--line); border-radius: 8px; padding: 0 10px; font-size: 14px; }
.pg-validate .verdict { padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-top: 10px; }
.pg-validate .verdict.ok  { background: #e9f7ee; color: #1a7f37; border: 1px solid #bfe5cc; }
.pg-validate .verdict.warn { background: #fff7e6; color: #8a6100; border: 1px solid #f0dfb2; }
.pg-validate .verdict.err { background: #fdeceb; color: #c0392b; border: 1px solid #f5c6c0; }

/* ---------- 物流追踪 ---------- */
.pg-tracking .links { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 10px; }
.pg-tracking .provider {
    border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 14px;
    color: var(--text); transition: border-color .15s;
}
.pg-tracking .provider:hover { border-color: var(--brand); color: var(--brand); }

/* =========================================================
   单据打印布局（body.print-body：单据预览 / 打印页）
   ========================================================= */
body.print-body { font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: #eef1f5; color: #222; padding: 20px; }
.print-body .toolbar { max-width: 900px; margin: 0 auto 14px; display: flex; gap: 10px; }
.print-body .toolbar a, .print-body .toolbar button {
    height: 38px; padding: 0 18px; border-radius: 8px; cursor: pointer; font-size: 14px;
    background: #1a5fb4; color: #fff; border: none; text-decoration: none; display: inline-flex; align-items: center;
}
.print-body .toolbar .gray { background: #8894a3; }
.print-body .doc { background: #fff; color: #222; padding: 34px 40px; border-radius: 8px; }
.print-body .doc-head { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 2px solid #222; padding-bottom: 10px; }
.print-body .doc-tbl { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 13px; }
.print-body .doc-tbl th, .print-body .doc-tbl td { border: 1px solid #bbb; padding: 7px 9px; text-align: left; vertical-align: top; }
.print-body .doc-tbl th { background: #f0f2f5; }
.print-body .doc-tbl.party td { padding: 12px; font-size: 13px; line-height: 1.6; }
.print-body .doc-tbl tfoot th { background: #f0f2f5; }
.print-body .sig { display: flex; justify-content: space-between; margin-top: 44px; font-size: 13px; }
.print-body .sig-line { display: block; width: 220px; border-bottom: 1px solid #222; margin-top: 44px; }
@media print {
    body.print-body { background: #fff; padding: 0; }
    .print-body .toolbar { display: none; }
    .print-body .doc { border-radius: 0; padding: 0; }
}

/* ===== 首页：IP/域名速查框 + 工具网格 ===== */
.home-ip { margin-top: 16px; text-align: center; }
.home-ip h2 { margin: 0 auto; }
.home-ip #visitor { margin: 8px 0 10px; }
.home-ip .search-bar { max-width: 660px; margin: 0 auto; text-align: left; }
.home-ip .hi-result { margin-top: 10px; font-size: 14px; }
.home-ip .hi-result:empty { display: none; }
/* ===== IP/域名查询栏目页 ===== */
.pg-ip .page-title, .pg-ip .page-sub { text-align: center; }
.pg-ip .search-bar { max-width: 660px; margin: 0 auto; }
.pg-ip #visitor { text-align: center; }
.pg-ip .result { text-align: center; }
.pg-ip .loc-main { text-align: center; }
.pg-ip .kv { text-align: center; justify-content: center; }
.pg-ip .result .muted { text-align: center; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.tool-card .tc-icon { font-size: 26px; }
.tool-card h2 { font-size: 15px; margin-top: 8px; }
.tool-card p { margin-top: 4px; }
@media (max-width: 640px) {
    /* 内页留边收紧：外层 16px→8px、卡片内边距 24px→14px，给内容腾出屏宽 */
    main { margin: 12px auto; padding: 0 8px; }
    .card { padding: 14px; border-radius: 8px; }
    .divider { margin: 12px 0 14px; }
    .page-title { font-size: 18px; }

    /* 宽表格：横向滚动限制在卡片内（页面不再整体右滑），并压缩单元格
       覆盖：报价助手/贸易术语/清关认证/港口速查/单据生成等所有 .tbl 表格 */
    .card { overflow-x: auto; }
    .tbl th, .tbl td { padding: 7px 8px; font-size: 13px; word-break: break-word; }

    /* 世界时钟：一行 2 个 */
    .pg-clock .cgrid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .pg-clock .city { padding: 10px 8px; text-align: center; }
    .pg-clock .city .time { font-size: 18px; }

    .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 12px; }
    .tool-card { padding: 14px 8px; text-align: center; }
    .tool-card .tc-icon { font-size: 24px; }
    .tool-card h2 { font-size: 13px; margin-top: 6px; }
    .tool-card p { font-size: 11px; margin-top: 2px; }
    /* 纵向排列的搜索框：输入框一行、按钮一行，恢复固定高度（flex:1 会压缩高度） */
    .home-ip .search-bar,
    .pg-ip .search-bar { flex-direction: column; gap: 10px; }
    .home-ip .search-bar input[type=text],
    .pg-ip .search-bar input[type=text] { flex: 0 0 auto; width: 100%; height: 46px; font-size: 16px; }
    .home-ip .search-bar .btn,
    .pg-ip .search-bar .btn { width: 100%; height: 46px; font-size: 15px; }
}