/* ==========================================================================
   广州灵友科技有限公司 — 全站样式
   浅色专业风格 / 主色深蓝 / 无 Emoji / 图标统一内联 SVG
   ========================================================================== */

:root {
  --pri: #16569e;
  --pri-d: #103f77;
  --pri-l: #e9f1fb;
  --pri-l2: #f4f8fd;
  --ink: #17233a;
  --ink2: #3b4a61;
  --mut: #6d7c92;
  --line: #e2e8f1;
  --line2: #eef2f7;
  --bg: #f4f7fb;
  --white: #fff;
  --gold: #a8801f;
  --gold-l: #fdf6e6;
  --green: #1f7a4d;
  --green-l: #eaf6ef;
  --red: #b23b3b;
  --red-l: #fbeeee;
  --r: 8px;
  --r2: 12px;
  --sh: 0 2px 10px rgba(23, 43, 77, .06);
  --sh2: 0 6px 22px rgba(23, 43, 77, .1);
  --wrap: 1200px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--pri); text-decoration: none; }
a:hover { color: var(--pri-d); }

img { max-width: 100%; display: block; border: 0; }

h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.35; font-weight: 700; color: var(--ink); }
h1 { font-size: 30px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 22px; }
li { margin-bottom: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--mut); }
.small { font-size: 13px; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

/* ------------------------------- 图标 ---------------------------------- */
svg.icon { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
svg.icon-lg { width: 26px; height: 26px; flex: none; }
svg.icon-xl { width: 34px; height: 34px; flex: none; }

/* ------------------------------- 按钮 ---------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 40px; padding: 0 20px; border: 1px solid var(--pri); border-radius: var(--r);
  background: var(--pri); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: .16s; font-family: inherit; white-space: nowrap;
}
.btn:hover { background: var(--pri-d); border-color: var(--pri-d); color: #fff; }
.btn-ghost { background: #fff; color: var(--pri); border-color: #c9d8ea; }
.btn-ghost:hover { background: var(--pri-l); color: var(--pri-d); border-color: #a9c3e2; }
.btn-line { background: #fff; color: var(--ink2); border-color: var(--line); }
.btn-line:hover { background: var(--pri-l2); color: var(--pri); border-color: #c9d8ea; }
.btn-sm { height: 32px; padding: 0 14px; font-size: 13px; }
.btn-lg { height: 46px; padding: 0 28px; font-size: 15px; }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-disabled { background: #c3ccd9; border-color: #c3ccd9; cursor: not-allowed; }
.btn-link { background: none; border: 0; color: var(--pri); cursor: pointer; font: inherit; padding: 0; }
.btn-link:hover { text-decoration: underline; }

/* ------------------------------- 顶栏 ---------------------------------- */
.header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--line); }
.header__top { background: var(--pri-d); color: #cfe0f4; font-size: 12.5px; }
.header__top .wrap { display: flex; justify-content: space-between; align-items: center; height: 32px; }
.header__top span { display: inline-flex; align-items: center; gap: 6px; }
.header__top svg.icon { width: 14px; height: 14px; color: #9dc0e8; }
.header__main .wrap { display: flex; align-items: center; gap: 22px; height: 74px; }

.logo { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.logo__mark { width: 42px; height: 42px; display: block; flex: none; border-radius: 11px; }
.logo__name { font-size: 18px; font-weight: 700; letter-spacing: .2px; color: var(--ink);
  line-height: 1.3; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.nav a {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 13px;
  border-radius: var(--r); color: var(--ink2); font-size: 14.5px; font-weight: 600;
}
.nav a:hover { background: var(--pri-l2); color: var(--pri); }
.nav a.on { color: var(--pri); background: var(--pri-l); }

.header__act { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.header__act .btn { height: 36px; padding: 0 16px; }
.cart-link { position: relative; display: inline-flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 14px; border: 1px solid var(--line); border-radius: var(--r);
  color: var(--ink2); font-size: 14px; font-weight: 600; }
.cart-link:hover { border-color: #c9d8ea; background: var(--pri-l2); color: var(--pri); }
.cart-badge {
  position: absolute; top: -7px; right: -7px; min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 9px; background: var(--pri); color: #fff; font-size: 11px; line-height: 18px;
  text-align: center; font-weight: 700;
}
.user-menu { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink2); }
.user-menu b { color: var(--ink); }
.burger { display: none; width: 40px; height: 36px; border: 1px solid var(--line);
  border-radius: var(--r); background: #fff; cursor: pointer; align-items: center; justify-content: center; }

/* ----------------------------- 页脚 ------------------------------------ */
.footer { margin-top: 56px; background: #12233c; color: #9db1ca; font-size: 13.5px; }
.footer a { color: #9db1ca; }
.footer a:hover { color: #fff; }
.footer__main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 32px; padding: 40px 0 28px; }
.footer__brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer__mark { width: 38px; height: 38px; display: block; flex: none; border-radius: 10px; opacity: .96; }
.footer__name { color: #fff; font-size: 15.5px; font-weight: 700; letter-spacing: .2px; line-height: 1.35; }
.footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer__row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 9px; }
.footer__row svg.icon { width: 15px; height: 15px; color: #6d87a8; margin-top: 3px; }
.footer__bottom { border-top: 1px solid #24384f; padding: 16px 0 22px; display: flex;
  flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: space-between; font-size: 12.5px; }
.footer__bottom .icp { color: #7f95b0; }
.footer__bottom .icp:hover { color: #fff; }

/* ------------------------------ 通用块 --------------------------------- */
.page-hero { background: #fff; border-bottom: 1px solid var(--line); padding: 30px 0 26px; }
.page-hero h1 { font-size: 26px; margin-bottom: 8px; }
.page-hero p { color: var(--mut); margin: 0; max-width: 900px; }
.crumb { font-size: 13px; color: var(--mut); margin-bottom: 12px; }
.crumb a { color: var(--mut); }
.crumb a:hover { color: var(--pri); }

.sec { padding: 44px 0 0; }
.sec-hd { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.sec-hd h2 { margin: 0; font-size: 22px; }
.sec-hd p { margin: 4px 0 0; color: var(--mut); font-size: 14px; }
.sec-hd .more { font-size: 14px; font-weight: 600; white-space: nowrap; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); }
.pad { padding: 24px; }
.pad-lg { padding: 30px; }

.tag { display: inline-flex; align-items: center; height: 22px; padding: 0 9px; border-radius: 4px;
  background: var(--pri-l); color: var(--pri); font-size: 12px; font-weight: 600; }
.tag-gold { background: var(--gold-l); color: var(--gold); }
.tag-green { background: var(--green-l); color: var(--green); }
.tag-gray { background: #f1f4f8; color: var(--mut); }
.tag-line { background: #fff; border: 1px solid var(--line); color: var(--mut); font-weight: 500; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.empty-state { padding: 56px 20px; text-align: center; color: var(--mut); }
.empty-state svg { width: 46px; height: 46px; color: #c3cfdd; margin: 0 auto 12px; }

.alert { padding: 12px 16px; border-radius: var(--r); font-size: 14px; margin-bottom: 16px;
  border: 1px solid; display: flex; gap: 9px; align-items: flex-start; }
.alert svg.icon { margin-top: 3px; }
.alert-info { background: var(--pri-l2); border-color: #cfe0f2; color: var(--pri-d); }
.alert-ok { background: var(--green-l); border-color: #c8e5d4; color: var(--green); }
.alert-warn { background: var(--gold-l); border-color: #eddfb8; color: var(--gold); }
.alert-err { background: var(--red-l); border-color: #ecc9c9; color: var(--red); }
.alert svg { color: inherit; }

/* ------------------------------ 首页 ---------------------------------- */
.hero { background: #fff; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: center;
  padding-top: 46px; padding-bottom: 46px; }
.hero__badge { display: inline-flex; align-items: center; gap: 7px; height: 28px; padding: 0 12px;
  border: 1px solid #cfe0f2; background: var(--pri-l2); color: var(--pri-d);
  border-radius: 14px; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.hero h1 { font-size: 34px; letter-spacing: -.3px; margin-bottom: 14px; }
.hero h1 em { font-style: normal; color: var(--pri); }
.hero__lead { font-size: 15.5px; color: var(--ink2); max-width: 620px; margin-bottom: 20px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 18px; font-size: 13.5px; color: var(--mut); }
.hero__meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero__meta svg.icon { color: var(--pri); }

.hero__panel { display: grid; gap: 14px; }
.module-card { display: block; padding: 22px; border: 1px solid var(--line); border-radius: var(--r2);
  background: #fff; box-shadow: var(--sh); transition: .18s; }
.module-card:hover { border-color: #c2d6ee; box-shadow: var(--sh2); transform: translateY(-2px); }
.module-card__hd { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.module-card__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--pri-l);
  color: var(--pri); display: flex; align-items: center; justify-content: center; flex: none; }
.module-card__icon svg { width: 24px; height: 24px; }
.module-card h3 { margin: 0; font-size: 17px; }
.module-card p { margin: 0; color: var(--mut); font-size: 13.5px; }
.module-card__go { margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--pri);
  display: inline-flex; align-items: center; gap: 6px; }

.biz-strip { background: #fff; border-bottom: 1px solid var(--line); }
.biz-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line2); border: 1px solid var(--line2); border-radius: var(--r2); overflow: hidden; }
.biz-strip__cell { background: #fff; padding: 15px 18px; }
.biz-strip__cell dt { font-size: 12.5px; color: var(--mut); margin-bottom: 3px; }
.biz-strip__cell dd { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink); word-break: break-all; }

.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--r2); background: #fff; display: block; transition: .18s; }
.cat-card:hover { border-color: #c2d6ee; box-shadow: var(--sh); }
.cat-card__icon { width: 40px; height: 40px; border-radius: 9px; background: var(--pri-l);
  color: var(--pri); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.cat-card__icon svg { width: 22px; height: 22px; }
.cat-card h3 { font-size: 15.5px; margin-bottom: 6px; }
.cat-card p { font-size: 13px; color: var(--mut); margin: 0; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 22px; }
.step__no { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px;
  border-radius: 50%; background: var(--pri); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.step h3 { font-size: 15.5px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--mut); margin: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 22px;
  display: flex; gap: 14px; }
.feature__icon { width: 40px; height: 40px; border-radius: 9px; background: var(--pri-l);
  color: var(--pri); display: flex; align-items: center; justify-content: center; flex: none; }
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 15.5px; margin-bottom: 5px; }
.feature p { font-size: 13px; color: var(--mut); margin: 0; }

.notice-list { list-style: none; margin: 0; padding: 0; }
.notice-list li { display: flex; gap: 14px; align-items: baseline; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.notice-list li:last-child { border-bottom: 0; }
.notice-list time { color: var(--mut); font-size: 12.5px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.notice-list a { font-size: 14px; }

/* ------------------------------ 筛选栏 -------------------------------- */
.filters { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 16px 20px; margin-bottom: 22px; }
.filter-row { display: flex; align-items: flex-start; gap: 14px; padding: 9px 0; }
.filter-row + .filter-row { border-top: 1px dashed var(--line); }
.filter-row__lb { flex: none; width: 74px; color: var(--mut); font-size: 13.5px; padding-top: 5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { height: 30px; padding: 0 13px; border: 1px solid var(--line); background: #fff; border-radius: 15px;
  color: var(--ink2); font-size: 13px; cursor: pointer; font-family: inherit; transition: .15s; }
.chip:hover { border-color: #c2d6ee; color: var(--pri); background: var(--pri-l2); }
.chip.on { background: var(--pri); border-color: var(--pri); color: #fff; font-weight: 600; }

.searchbar { display: flex; gap: 10px; }
.searchbar input { flex: 1; height: 40px; }
.searchbar--sm { flex: none; width: 268px; }
.searchbar--sm input { height: 34px; font-size: 13.5px; }
.searchbar--sm .btn { height: 34px; padding: 0 16px; font-size: 13.5px; }
.list-hd { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 16px; }
.list-hd__count { font-size: 14px; color: var(--mut); }
.list-hd__count b { color: var(--pri); }
.sortbar { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--mut); }
.sortbar button { height: 30px; padding: 0 12px; border: 1px solid var(--line); background: #fff;
  border-radius: var(--r); font: inherit; font-size: 13px; color: var(--ink2); cursor: pointer; }
.sortbar button.on { border-color: var(--pri); color: var(--pri); font-weight: 600; }

/* ------------------------------ 卡片网格 ------------------------------ */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2);
  overflow: hidden; display: flex; flex-direction: column; transition: .18s; }
.product-card:hover { border-color: #c2d6ee; box-shadow: var(--sh2); transform: translateY(-2px); }
.product-card__img { position: relative; aspect-ratio: 4 / 3; background: #eef3f9; overflow: hidden; }
.product-card__img img { width: 100%; height: 100%; object-fit: cover; }
.product-card__cat { position: absolute; left: 10px; top: 10px; height: 24px; padding: 0 9px;
  background: rgba(16, 63, 119, .86); color: #fff; border-radius: 4px; font-size: 12px;
  display: inline-flex; align-items: center; font-weight: 600; }
.product-card__body { padding: 15px 16px 17px; display: flex; flex-direction: column; flex: 1; }
.product-card__name { font-size: 15.5px; font-weight: 700; margin-bottom: 7px; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 44px; }
.product-card__mer { font-size: 12.5px; color: var(--mut); display: flex; align-items: center; gap: 6px; margin-bottom: 11px; }
.product-card__mer svg.icon { width: 14px; height: 14px; color: #9aabc0; }
.product-card__price { display: flex; align-items: baseline; gap: 8px; margin-top: auto; }
.price { color: var(--red); font-weight: 700; font-size: 19px; font-variant-numeric: tabular-nums; }
.price small { font-size: 12px; font-weight: 600; }
.price-old { color: #9aabc0; font-size: 12.5px; text-decoration: line-through; }
.product-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }
.sold { font-size: 12.5px; color: var(--mut); }

.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden;
  display: flex; flex-direction: column; transition: .18s; }
.info-card:hover { border-color: #c2d6ee; box-shadow: var(--sh2); transform: translateY(-2px); }
.info-card__img { aspect-ratio: 4 / 3; background: #eef3f9; overflow: hidden; }
.info-card__img img { width: 100%; height: 100%; object-fit: cover; }
.info-card__body { padding: 15px 16px 17px; display: flex; flex-direction: column; flex: 1; }
.info-card__top { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; }
.info-card__title { font-size: 15.5px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 46px; }
.info-card__rows { display: grid; gap: 6px; font-size: 13px; color: var(--ink2); }
.info-card__rows span { display: flex; align-items: center; gap: 7px; }
.info-card__rows svg.icon { width: 15px; height: 15px; color: #9aabc0; }
.info-card__rows .phone { font-family: ui-monospace, Consolas, monospace; letter-spacing: .5px; }
.info-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line2); }
.info-card__time { font-size: 12.5px; color: var(--mut); display: inline-flex; align-items: center; gap: 6px; }

/* ---------------------------- 商品详情 -------------------------------- */
.detail { display: grid; grid-template-columns: 480px 1fr; gap: 34px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r2); padding: 26px; }
.gallery__main { aspect-ratio: 4 / 3; background: #eef3f9; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line2); }
.gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.gallery__thumb { aspect-ratio: 4 / 3; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  cursor: pointer; background: #eef3f9; padding: 0; }
.gallery__thumb.on { border-color: var(--pri); box-shadow: 0 0 0 2px var(--pri-l); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

.detail__title { font-size: 23px; margin-bottom: 10px; }
.detail__sub { color: var(--mut); font-size: 14px; margin-bottom: 16px; }
.price-box { background: var(--pri-l2); border: 1px solid #dce9f8; border-radius: var(--r); padding: 16px 18px; margin-bottom: 18px; }
.price-box .price { font-size: 28px; }
.price-box__row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.price-box__note { font-size: 13px; color: var(--mut); margin-top: 6px; }

.spec-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 26px; margin-bottom: 20px; }
.spec-list div { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.spec-list dt { flex: none; width: 84px; color: var(--mut); margin: 0; }
.spec-list dd { margin: 0; color: var(--ink); font-weight: 600; word-break: break-word; }

.buy-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 20px;
  padding-top: 20px; border-top: 1px solid var(--line2); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; height: 40px; }
.qty button { width: 38px; height: 38px; border: 0; background: #fff; font-size: 18px; color: var(--ink2);
  cursor: pointer; line-height: 1; }
.qty button:hover { background: var(--pri-l2); color: var(--pri); }
.qty input { width: 54px; height: 38px; border: 0; border-left: 1px solid var(--line);
  border-right: 1px solid var(--line); text-align: center; font: inherit; font-size: 14px; }
.buy-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 16px; font-size: 13px; color: var(--mut); }
.buy-meta span { display: inline-flex; align-items: center; gap: 6px; }
.buy-meta svg.icon { color: var(--pri); }

.merchant-box { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--pri-l2);
  border: 1px solid #dce9f8; border-radius: var(--r); margin-top: 18px; }
.merchant-box__logo { width: 46px; height: 46px; border-radius: 10px; background: #fff; color: var(--pri);
  display: flex; align-items: center; justify-content: center; flex: none; border: 1px solid #dce9f8; }
.merchant-box__logo svg { width: 24px; height: 24px; }
.merchant-box__name { font-weight: 700; font-size: 15px; margin-bottom: 3px; }
.merchant-box__meta { font-size: 13px; color: var(--mut); display: flex; flex-wrap: wrap; gap: 6px 16px; }

/* 后台管理：统计卡与选项卡 */
.adm-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.adm-stats .card { padding: 20px; }
@media (max-width: 1080px) { .adm-stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .adm-stats { grid-template-columns: 1fr; } }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.tabs button { height: 44px; padding: 0 20px; border: 0; background: none; font: inherit; font-size: 15px;
  font-weight: 600; color: var(--mut); cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button.on { color: var(--pri); border-bottom-color: var(--pri); }

.prose { font-size: 14.5px; color: var(--ink2); }
.prose h3 { font-size: 16.5px; color: var(--ink); margin: 22px 0 10px; padding-left: 12px;
  border-left: 3px solid var(--pri); }
.prose h3:first-child { margin-top: 0; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 7px; }
.prose table { width: 100%; border-collapse: collapse; margin: 10px 0 18px; }
.prose table th, .prose table td { border: 1px solid var(--line); padding: 9px 12px; font-size: 13.5px; text-align: left; }
.prose table th { background: var(--pri-l2); color: var(--ink); font-weight: 600; width: 140px; }

.buy-side { position: sticky; top: 96px; }

/* ---------------------------- 信息详情 -------------------------------- */
.info-detail { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.info-main { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 28px; }
.info-main__title { font-size: 23px; line-height: 1.4; margin-bottom: 14px; }
.info-main__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-bottom: 16px;
  border-bottom: 1px solid var(--line2); margin-bottom: 20px; font-size: 13.5px; color: var(--mut); }
.info-main__meta span { display: inline-flex; align-items: center; gap: 6px; }
.info-main__cover { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line2); margin-bottom: 24px; }
.info-main__cover img { width: 100%; }

.aside-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 20px; margin-bottom: 20px; }
.aside-card h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line2); }
.pub-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.pub-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--pri-l); color: var(--pri);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; flex: none; }
.pub-name { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.pub-co { font-size: 12.5px; color: var(--mut); }
.contact-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.contact-row:last-of-type { border-bottom: 0; }
.contact-row svg.icon { color: var(--pri); }
.contact-row .val { font-weight: 600; }
.phone-box { background: var(--pri-l2); border: 1px dashed #c9d8ea; border-radius: var(--r);
  padding: 14px; text-align: center; margin-top: 12px; }
.phone-box .num { font-size: 20px; font-weight: 700; letter-spacing: 1px; color: var(--pri-d);
  font-family: ui-monospace, Consolas, monospace; margin-bottom: 8px; }
.phone-box .tip { font-size: 12.5px; color: var(--mut); }

.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { padding: 11px 0; border-bottom: 1px dashed var(--line); }
.side-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.side-list a { font-size: 14px; font-weight: 600; display: block; margin-bottom: 4px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-list span { font-size: 12.5px; color: var(--mut); }

/* ------------------------------ 表格 ---------------------------------- */
.table-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { padding: 15px 13px; border-bottom: 1px solid var(--line2); text-align: left;
  font-size: 14px; vertical-align: middle; word-break: break-word; }
table.data th { background: var(--pri-l2); color: var(--ink); font-weight: 600; font-size: 13.5px; }
table.data tr:last-child td { border-bottom: 0; }

.cart-table { table-layout: fixed; }
.cart-table .c-item { width: 45%; }
.cart-table .c-price { width: 14%; }
.cart-table .c-qty { width: 17%; }
.cart-table .c-total { width: 14%; }
.cart-table .c-act { width: 10%; }
.cart-item { display: flex; gap: 13px; align-items: center; }
.cart-item__img { width: 76px; height: 57px; border-radius: 6px; overflow: hidden; flex: none;
  background: #eef3f9; border: 1px solid var(--line2); }
.cart-item__img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item__name { font-weight: 600; font-size: 14.5px; margin-bottom: 4px; }
.cart-item__sub { font-size: 12.5px; color: var(--mut); }
.cart-sum { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 22px; margin-top: 20px; }
.cart-sum__row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; color: var(--ink2); }
.cart-sum__row.total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 14px; font-size: 16px; }
.cart-sum__row.total b { color: var(--red); font-size: 24px; font-variant-numeric: tabular-nums; }

/* ------------------------------ 表单 ---------------------------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 20px; }
.form-row { display: flex; flex-direction: column; gap: 7px; }
.form-row.full { grid-column: 1 / -1; }
.form-row label { font-size: 14px; font-weight: 600; color: var(--ink); }
.form-row label .req { color: var(--red); margin-left: 3px; }
.form-row .hint { font-size: 12.5px; color: var(--mut); }
input[type=text], input[type=password], input[type=tel], input[type=number], input[type=email],
select, textarea {
  width: 100%; padding: 10px 13px; border: 1px solid var(--line); border-radius: var(--r);
  font: inherit; font-size: 14px; color: var(--ink); background: #fff; outline: none; transition: .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--pri); box-shadow: 0 0 0 3px var(--pri-l); }
textarea { resize: vertical; min-height: 110px; line-height: 1.7; }
select { cursor: pointer; }
input[readonly] { background: #f6f8fb; color: var(--mut); }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--ink2); }
.check input { width: 16px; height: 16px; margin-top: 4px; flex: none; accent-color: var(--pri); cursor: pointer; }
.check label { font-weight: 400; cursor: pointer; }

.auth-wrap { max-width: 460px; margin: 46px auto; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); padding: 34px 32px; box-shadow: var(--sh); }
.auth-card h1 { font-size: 23px; margin-bottom: 6px; }
.auth-card .lead { color: var(--mut); font-size: 14px; margin-bottom: 24px; }
.auth-card .form-row { margin-bottom: 16px; }
.auth-foot { margin-top: 18px; font-size: 14px; color: var(--mut); text-align: center; }

.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plan { border: 1px solid var(--line); border-radius: var(--r2); padding: 20px; background: #fff; }
.plan.on { border-color: var(--pri); box-shadow: 0 0 0 3px var(--pri-l); }
.plan h3 { font-size: 15.5px; margin-bottom: 6px; }
.plan .amt { color: var(--red); font-weight: 700; font-size: 22px; margin-bottom: 10px; }
.plan .amt small { font-size: 12.5px; color: var(--mut); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 0; font-size: 13px; color: var(--ink2); }
.plan li { display: flex; gap: 7px; margin-bottom: 6px; }
.plan li svg.icon { width: 14px; height: 14px; color: var(--green); margin-top: 4px; }

/* ---------------------------- 个人中心 -------------------------------- */
.acct-grid { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; }
.acct-nav { background: #fff; border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden; }
.acct-nav button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 14px 18px;
  border: 0; background: #fff; font: inherit; font-size: 14.5px; color: var(--ink2); cursor: pointer;
  text-align: left; border-bottom: 1px solid var(--line2); }
.acct-nav button:last-child { border-bottom: 0; }
.acct-nav button:hover { background: var(--pri-l2); color: var(--pri); }
.acct-nav button.on { background: var(--pri-l); color: var(--pri); font-weight: 700; }
.acct-panel { display: none; }
.acct-panel.on { display: block; }
.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 26px; }
.kv div { display: flex; gap: 10px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.kv dt { flex: none; width: 96px; color: var(--mut); margin: 0; }
.kv dd { margin: 0; font-weight: 600; word-break: break-all; }

/* ------------------------------ 弹层 ---------------------------------- */
.modal { position: fixed; inset: 0; background: rgba(16, 32, 56, .55); z-index: 900;
  display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.on { display: flex; }
.modal__box { background: #fff; border-radius: var(--r2); width: 100%; max-width: 520px;
  max-height: 86vh; overflow: auto; }
.modal__hd { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px;
  border-bottom: 1px solid var(--line); }
.modal__hd h3 { margin: 0; font-size: 17px; }
.modal__x { width: 32px; height: 32px; border: 0; background: none; font-size: 22px; line-height: 1;
  color: var(--mut); cursor: pointer; }
.modal__bd { padding: 22px; }
.modal__ft { padding: 16px 22px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }

.toast { position: fixed; left: 50%; top: 78px; transform: translateX(-50%) translateY(-12px);
  background: #17233a; color: #fff; padding: 11px 20px; border-radius: 22px; font-size: 14px;
  z-index: 1000; opacity: 0; pointer-events: none; transition: .22s; box-shadow: var(--sh2); }
.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* --------------------------- 富文本 / 其他 ---------------------------- */
.bullets { list-style: none; padding: 0; margin: 0 0 16px; }
.bullets li { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 8px; font-size: 14px; color: var(--ink2); }
.bullets svg.icon { width: 15px; height: 15px; color: var(--green); margin-top: 4px; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: flex; gap: 14px; padding-bottom: 18px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: 13px; top: 28px; bottom: 0; width: 1px; background: var(--line); }
.timeline li:last-child::before { display: none; }
.timeline .dot { width: 27px; height: 27px; border-radius: 50%; background: var(--pri-l); color: var(--pri);
  display: flex; align-items: center; justify-content: center; flex: none; font-size: 13px; font-weight: 700; }
.timeline h4 { margin: 3px 0 4px; font-size: 15px; }
.timeline p { margin: 0; font-size: 13.5px; color: var(--mut); }

.honor-pill { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px;
  border-radius: 4px; background: var(--green-l); color: var(--green); font-size: 12px; font-weight: 600; }
.honor-pill svg.icon { width: 13px; height: 13px; }

.pager { display: flex; justify-content: center; gap: 8px; margin-top: 30px; }
.pager button { min-width: 36px; height: 36px; padding: 0 11px; border: 1px solid var(--line);
  background: #fff; border-radius: var(--r); font: inherit; font-size: 13.5px; color: var(--ink2); cursor: pointer; }
.pager button.on { background: var(--pri); border-color: var(--pri); color: #fff; font-weight: 600; }
.pager button[disabled] { opacity: .45; cursor: not-allowed; }

.split { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.sticky-side { position: sticky; top: 96px; }
.doc-body h2 { font-size: 19px; margin: 26px 0 10px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body p, .doc-body li { font-size: 14px; color: var(--ink2); }

/* ------------------------------ 响应式 -------------------------------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .cat-grid, .steps, .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .detail { grid-template-columns: 1fr; gap: 26px; }
  .info-detail, .split { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: repeat(2, 1fr); }
  .acct-grid { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; gap: 28px; }
  .biz-strip__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .logo__mark { width: 33px; height: 33px; border-radius: 9px; }
  .logo__name { font-size: 14.5px; }
  /* 站名收窄后主导航可保留到 860px；再窄则折叠为折叠菜单 */
  /* 窄屏时品牌区与操作区会折成两行，容器须可自适应高度，否则操作区会压住下方内容 */
  .header__main .wrap { height: auto; min-height: 64px; padding-top: 8px; padding-bottom: 8px;
    gap: 12px; flex-wrap: wrap; }
  .burger { display: inline-flex; margin-left: auto; }
  .header__act { margin-left: 0; }
  .nav { display: none; width: 100%; order: 3; flex-direction: column; align-items: stretch;
    padding: 8px 0 14px; margin: 0; border-top: 1px solid var(--line2); }
  .nav.on { display: flex; }
  .nav a { height: 42px; }
  .header__top .wrap { height: auto; padding: 6px 20px; flex-direction: column; align-items: flex-start; gap: 2px; }
  .header__top .wrap span:last-child { display: none; }
  .header__act .btn span.t { display: none; }
  .header__act .btn { padding: 0 12px; }
  .feature-grid, .grid-3, .grid-4, .grid-2, .form-grid, .kv, .spec-list, .cat-grid, .steps, .plan-grid {
    grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 26px; }
  .sec { padding: 32px 0 0; }
  .pad, .pad-lg { padding: 20px; }
  .info-main { padding: 20px; }
  table.data th, table.data td { padding: 12px 10px; font-size: 13px; }
  /* 后台管理表格：窄屏隐藏次要列，避免多列被压扁 */
  .adm-tb .adm-hide { display: none; }
  .adm-tabs-row { flex-wrap: wrap; }
  .adm-tabs-row button { padding: 0 12px; font-size: 14px; }
  .cart-table .c-price, .cart-table .c-total { display: none; }
  .cart-table .c-item { width: 58%; }
  .cart-table .c-qty { width: 26%; }
  .cart-table .c-act { width: 16%; }
}