/* 茶讯 TeaBrief — 浅色茶主题样式 */
:root {
  --bg: #f7f5ee;
  --bg-soft: #fbf9f3;
  --paper: #fffefa;
  --ink: #26312c;
  --ink-2: #4c5a52;
  --muted: #87928a;
  --line: #e7e3d7;
  --line-soft: #f0ece1;
  --green: #2f5d4e;
  --green-deep: #1e4237;
  --green-soft: #e9f1ec;
  --gold: #b08143;
  --gold-soft: #f5ecdc;
  --shadow: 0 2px 10px rgba(38, 49, 44, .04), 0 12px 36px rgba(38, 49, 44, .05);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  background: var(--bg);
  background-image: radial-gradient(circle at 88% 0%, rgba(47, 93, 78, .06), transparent 42%),
                    radial-gradient(circle at 5% 30%, rgba(176, 129, 67, .05), transparent 38%);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(251, 249, 243, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 34px; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: var(--green); display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(47, 93, 78, .22);
}
.brand-mark svg { width: 21px; height: 21px; }
.brand-name { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: 2px; line-height: 1.1; }
.brand-sub { font-size: 9px; letter-spacing: 2.4px; color: var(--muted); text-transform: uppercase; }
.main-nav { display: flex; gap: 6px; margin-left: 12px; }
.main-nav a {
  padding: 8px 15px; border-radius: 8px; font-size: 14px; color: var(--ink-2);
  transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--green-soft); color: var(--green-deep); }
.main-nav a.active { background: var(--green); color: #fff; }
.header-meta { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); white-space: nowrap; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: #4b9a6d; box-shadow: 0 0 0 4px rgba(75, 154, 109, .14); }
.header-meta strong { color: var(--green-deep); font-weight: 600; }

/* ---------- generic ---------- */
.eyebrow { font-size: 12px; letter-spacing: 2.2px; color: var(--gold); text-transform: uppercase; font-weight: 600; }
.section { margin-top: 54px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-title { font-family: var(--serif); font-size: 25px; margin: 0; letter-spacing: 1px; }
.section-desc { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.text-link { color: var(--green); font-size: 14px; display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.text-link:hover { color: var(--gold); }
.text-link svg { width: 15px; height: 15px; transition: transform .2s; }
.text-link:hover svg { transform: translateX(4px); }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }

/* ---------- homepage hero ---------- */
.hero { padding-top: 42px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(270px, .85fr); gap: 22px; align-items: start; }
.brief-card { padding: 36px 38px 30px; position: relative; overflow: hidden; }
.brief-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--green), var(--gold));
}
.brief-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.date-chip {
  font-size: 12px; color: var(--green-deep); background: var(--green-soft);
  border: 1px solid #d5e5dc; padding: 3px 11px; border-radius: 999px; font-weight: 600;
}
.brief-title { font-family: var(--serif); font-size: clamp(26px, 3.1vw, 36px); line-height: 1.4; margin: 18px 0 12px; letter-spacing: .5px; }
.brief-lead { font-size: 16px; color: var(--green-deep); font-weight: 600; line-height: 1.8; margin: 0 0 16px; }
.brief-body p { margin: 0 0 12px; color: var(--ink-2); line-height: 1.95; text-align: justify; }
.brief-body.collapsed p:nth-child(n+3) { display: none; }
.brief-toggle {
  border: none; background: none; padding: 6px 0; color: var(--green);
  font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px;
}
.brief-toggle:hover { color: var(--gold); }
.brief-divider { height: 1px; background: var(--line-soft); margin: 22px 0 18px; }
.brief-sub { font-size: 13px; letter-spacing: 1.4px; color: var(--gold); font-weight: 700; margin: 0 0 12px; }
.highlight-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 9px; }
.highlight-list li { display: flex; gap: 12px; font-size: 14px; color: var(--ink-2); line-height: 1.65; }
.highlight-list .num { font-family: var(--serif); color: var(--gold); font-size: 15px; flex-shrink: 0; width: 20px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12px; padding: 4px 11px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-2); }
.chip.gold { background: var(--gold-soft); border-color: #ebdcc0; color: #8b652f; }

/* stats */
.side-stack { display: grid; gap: 18px; }
.stats-card { padding: 26px 24px 22px; }
.stats-card h3 { font-family: var(--serif); font-size: 17px; margin: 0 0 4px; }
.stats-card .sub { font-size: 12px; color: var(--muted); margin: 0 0 20px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 12px; overflow: hidden; }
.stat-cell { background: var(--paper); padding: 16px 14px; }
.stat-cell b { display: block; font-family: var(--serif); font-size: 27px; line-height: 1.2; color: var(--green-deep); }
.stat-cell span { font-size: 12px; color: var(--muted); }
.update-note { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 12px; color: var(--muted); line-height: 1.8; }
.update-note b { color: var(--ink-2); }
.cat-card { padding: 24px 24px 20px; }
.cat-card h3 { font-family: var(--serif); font-size: 17px; margin: 0 0 14px; }
.cat-row { display: flex; align-items: center; gap: 10px; margin-bottom: 11px; font-size: 13px; }
.cat-row a { color: var(--ink-2); flex: 1; }
.cat-row a:hover { color: var(--green); }
.cat-row .count { color: var(--muted); font-variant-numeric: tabular-nums; }
.cat-bar { height: 5px; border-radius: 4px; background: var(--line-soft); overflow: hidden; margin-top: -5px; margin-bottom: 14px; }
.cat-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--green), #7ba78f); border-radius: 4px; }

/* ---------- news list (text style) ---------- */
.news-list { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.news-item {
  display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 18px;
  padding: 20px 26px; border-bottom: 1px solid var(--line-soft); align-items: start;
  transition: background .18s;
}
.news-item.no-index { grid-template-columns: minmax(0, 1fr) auto; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: #fbfaf5; }
.news-index { font-family: var(--serif); font-size: 22px; color: #d7cfbc; line-height: 1.35; text-align: center; }
.news-item:hover .news-index { color: var(--gold); }
.news-title { font-family: var(--serif); font-size: 17px; font-weight: 600; line-height: 1.6; margin: 0 0 6px; color: var(--ink); }
.news-title a:hover { color: var(--green); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.news-summary { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; margin: 0 0 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.tag-cat { font-size: 11px; padding: 2px 9px; border-radius: 5px; font-weight: 600; }
.dot-sep { width: 3px; height: 3px; border-radius: 50%; background: #c9c4b6; }
.news-go { align-self: center; color: #b9b3a3; }
.news-go svg { width: 17px; height: 17px; }
.news-item:hover .news-go { color: var(--green); }

.cat-产业动态 { background: #eef3ea; color: #3d6b45; }
.cat-政策标准 { background: #e9eef6; color: #3c5f8f; }
.cat-市场行情 { background: #fbeceb; color: #a04f47; }
.cat-科技研究 { background: #eeeaf6; color: #6a55a0; }
.cat-展会活动 { background: #f7eedf; color: #9a6d2c; }
.cat-品牌茶饮 { background: #f8e9ee; color: #9d4c6b; }
.cat-文化文旅 { background: #e6f2f0; color: #33756c; }
.cat-国际贸易 { background: #eaf0f6; color: #3b6489; }

/* home category grid */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cat-tile { padding: 20px; display: block; transition: transform .2s, box-shadow .2s; }
.cat-tile:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(38, 49, 44, .09); }
.cat-tile .t { font-family: var(--serif); font-size: 17px; margin: 0 0 6px; }
.cat-tile .d { font-size: 12px; color: var(--muted); }
.cat-tile .n { font-family: var(--serif); font-size: 25px; color: var(--green-deep); display: block; margin-bottom: 8px; }

.cta-band {
  margin-top: 54px; padding: 30px 34px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: linear-gradient(110deg, var(--green-deep), #2f5d4e 65%, #3a6d58);
  color: #fff; border-radius: 16px; box-shadow: 0 14px 32px rgba(30, 66, 55, .18);
}
.cta-band h3 { font-family: var(--serif); font-size: 22px; margin: 0 0 5px; }
.cta-band p { margin: 0; font-size: 13px; color: rgba(255,255,255,.72); }
.btn-light {
  background: #fff; color: var(--green-deep); border: none; border-radius: 9px;
  padding: 11px 22px; font-size: 14px; font-weight: 700; display: inline-flex; align-items: center; gap: 8px;
  transition: transform .2s, background .2s; white-space: nowrap;
}
.btn-light:hover { transform: translateY(-2px); background: var(--gold-soft); }
.btn-light svg { width: 15px; height: 15px; }

/* ---------- archive page ---------- */
.page-head { padding: 44px 0 8px; }
.page-head .eyebrow { margin-bottom: 10px; }
.page-head h1 { font-family: var(--serif); font-size: 36px; margin: 0 0 10px; letter-spacing: 1px; }
.page-head p { color: var(--ink-2); margin: 0; font-size: 14px; }
.toolbar { padding: 18px; margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.search-box { position: relative; flex: 1 1 260px; min-width: 220px; }
.search-box svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--muted); }
.search-box input {
  width: 100%; padding: 10px 12px 10px 38px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--bg-soft); font-size: 14px;
}
.search-box input:focus { outline: none; border-color: var(--green); background: #fff; }
.toolbar select, .toolbar .btn-ghost {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg-soft); font-size: 13px;
}
.toolbar .btn-ghost:hover { border-color: var(--green); color: var(--green); }
.result-note { font-size: 13px; color: var(--muted); margin: 16px 2px 12px; }
.archive-layout { display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 22px; align-items: start; }
.archive-side { display: grid; gap: 16px; }
.side-card { padding: 20px; }
.side-card h3 { font-family: var(--serif); font-size: 16px; margin: 0 0 14px; }
.side-list { display: grid; gap: 4px; max-height: 320px; overflow: auto; }
.side-list button {
  border: none; background: none; text-align: left; padding: 6px 8px; border-radius: 6px;
  font-size: 13px; color: var(--ink-2); display: flex; justify-content: space-between; gap: 10px; width: 100%;
}
.side-list button:hover, .side-list button.on { background: var(--green-soft); color: var(--green-deep); }
.side-list button span { color: var(--muted); font-variant-numeric: tabular-nums; }
.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 26px 0 10px; flex-wrap: wrap; }
.pager button {
  min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); font-size: 13px; color: var(--ink-2);
}
.pager button:hover:not(:disabled) { border-color: var(--green); color: var(--green); }
.pager button.on { background: var(--green); border-color: var(--green); color: #fff; }
.pager button:disabled { opacity: .4; cursor: not-allowed; }
.empty { padding: 64px 20px; text-align: center; color: var(--muted); }
.empty b { display: block; font-family: var(--serif); font-size: 19px; color: var(--ink-2); margin-bottom: 6px; }

/* footer */
.site-footer { margin-top: 70px; border-top: 1px solid var(--line); background: rgba(251, 249, 243, .7); }
.footer-inner { padding: 30px 0 36px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-inner p { margin: 0 0 6px; font-size: 12.5px; color: var(--muted); line-height: 1.9; }
.footer-inner b { color: var(--ink-2); }
.footer-links { display: flex; gap: 18px; font-size: 13px; color: var(--green); align-items: flex-start; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .side-stack { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .archive-layout { grid-template-columns: 1fr; }
  .archive-side { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .wrap { padding: 0 18px; }
  .header-inner { height: auto; min-height: 64px; flex-wrap: wrap; gap: 8px 14px; padding: 10px 0; }
  .main-nav { margin-left: 0; order: 3; width: 100%; }
  .main-nav a { padding: 6px 12px; }
  .header-meta { font-size: 11px; }
  .brief-card { padding: 26px 22px; }
  .side-stack, .cat-grid, .archive-side { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 30px minmax(0, 1fr); gap: 12px; padding: 16px 18px; }
  .news-item.no-index { grid-template-columns: minmax(0, 1fr); }
  .news-go { display: none; }
  .news-index { font-size: 17px; }
  .news-title { font-size: 15.5px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 24px; }
  .page-head h1 { font-size: 29px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 8px; }
}