/* 华盛美业官网 GEO 版 —— 前台样式
   深色底 + 金铜色强调，衬线中文标题；无框架、无外部字体，首屏渲染不依赖 JS。 */

:root {
  --ink-950: #07080a;
  --ink-900: #0e1013;
  --ink-850: #111317;
  --ink-800: #13161a;
  --ink-700: #1a1d21;
  --ink-600: #24272c;
  --ink-500: #33383f;
  --gold: #c5a57c;
  --gold-400: #d6be99;
  --gold-200: #ebdcbf;
  --text: #ffffff;
  --text-soft: rgba(255, 255, 255, .72);
  --text-mute: rgba(255, 255, 255, .46);
  --line: rgba(197, 165, 124, .2);
  --line-strong: rgba(197, 165, 124, .42);
  --bg: var(--ink-950);
  --bg-soft: var(--ink-900);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --maxw: 1200px;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(0, 0, 0, .5);
  --t: all .28s cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold-400); text-decoration: none; transition: var(--t); }
a:hover { color: var(--gold-200); }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.35; margin: 0 0 .6em; letter-spacing: .01em; }
h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.36rem, 2.5vw, 1.9rem); }
h3 { font-size: 1.12rem; }
h4 { font-size: 1rem; }
blockquote { margin: 1.6em 0; padding: 1em 1.4em; border-left: 2px solid var(--gold); background: rgba(197, 165, 124, .06); }
blockquote p:last-child { margin: 0; }
code { background: rgba(255, 255, 255, .08); padding: .1em .4em; border-radius: 3px; font-size: .92em; }

.container { width: min(100% - 2.4rem, var(--maxw)); margin-inline: auto; }
.narrow { max-width: 860px; }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 999;
  background: var(--gold); color: var(--ink-950); padding: .6rem 1rem; border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--gold-400); outline-offset: 3px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 44px; padding: .62em 1.5em;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-size: .95rem; font-family: var(--sans); letter-spacing: .04em;
  color: var(--gold-200); background: transparent; cursor: pointer; transition: var(--t);
}
.btn:hover { border-color: var(--gold); background: rgba(197, 165, 124, .1); color: #fff; }
.btn-primary { background: var(--gold); border-color: var(--gold); color: #14100a; font-weight: 600; }
.btn-primary:hover { background: var(--gold-400); border-color: var(--gold-400); color: #14100a; }
.btn-ghost { color: var(--text-soft); }
.btn-block { width: 100%; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(7, 8, 10, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; }
.brand img { width: 96px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text em { font-style: normal; font-size: .62rem; letter-spacing: .34em; color: var(--gold); }
.brand-text strong { font-family: var(--serif); font-size: 1.02rem; font-weight: 600; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav > a { font-size: .9rem; color: var(--text-soft); position: relative; padding: .35rem 0; }
.site-nav > a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--gold); transition: var(--t);
}
.site-nav > a:hover, .site-nav > a.is-active { color: var(--gold-200); }
.site-nav > a:hover::after, .site-nav > a.is-active::after { right: 0; }
.nav-cta {
  padding: .5rem 1.1rem; border: 1px solid var(--gold); color: var(--gold) !important;
  border-radius: var(--radius); font-size: .86rem;
}
.nav-cta:hover { background: var(--gold); color: #14100a !important; }
.nav-cta::after { display: none; }
.nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--gold-200); margin: 4px 0; transition: var(--t); }

/* ---------- 首页主视觉 ---------- */
.hero { padding: clamp(2.4rem, 6vw, 4.4rem) 0 2.2rem; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 70%;
  background: radial-gradient(60% 70% at 78% 20%, rgba(197, 165, 124, .16), transparent 70%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; position: relative; }
.kicker { font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); margin-bottom: .9rem; }
.hero h1 { margin-bottom: 1rem; }
.hero h1 strong { color: var(--gold); font-weight: 700; }
.hero-sub { color: var(--text-soft); font-size: 1.02rem; max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero-actions.center { justify-content: center; }
.hero-media { margin: 0; position: relative; border: 1px solid var(--line); }
.hero-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: saturate(.92); }
.hero-media figcaption { font-size: .72rem; letter-spacing: .16em; color: var(--text-mute); padding: .5rem .8rem; border-top: 1px solid var(--line); }

.stat-pills { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 2.4rem; }
.stat-pill { background: var(--ink-900); padding: 1.1rem 1.2rem; }
.stat-pill strong { display: block; font-family: var(--serif); font-size: 1.7rem; color: var(--gold); line-height: 1.2; }
.stat-pill span { display: block; font-size: .88rem; color: var(--text-soft); }
.stat-pill em { display: block; margin-top: .4rem; font-style: normal; font-size: .68rem; color: var(--text-mute); line-height: 1.5; }

/* ---------- 区块 ---------- */
.section { padding: clamp(2.6rem, 5vw, 4rem) 0; }
.section.alt { background: var(--bg-soft); border-block: 1px solid rgba(255, 255, 255, .04); }
.section-head { margin-bottom: 2rem; max-width: 60ch; }
.section-head h2 { margin-bottom: .5rem; }
.section-desc { color: var(--text-soft); }
.section-head .kicker { margin-bottom: .7rem; }

/* ---------- 结论前置块 ---------- */
.answer-box {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--gold);
  background: linear-gradient(100deg, rgba(197, 165, 124, .1), rgba(197, 165, 124, .02));
  padding: 1.2rem 1.4rem; margin: 0 0 1.8rem;
}
.answer-label { font-size: .72rem; letter-spacing: .18em; color: var(--gold); margin: 0 0 .5rem; }
.answer-label span { margin-right: .4em; }
.answer-text { margin: 0; font-size: 1.04rem; color: var(--text); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; margin: 0 0 1.6rem; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabular-nums { font-variant-numeric: tabular-nums; }
th, td { padding: .72rem .9rem; text-align: left; border-bottom: 1px solid rgba(255, 255, 255, .07); vertical-align: top; }
thead th { background: rgba(197, 165, 124, .1); color: var(--gold-200); font-weight: 600; font-size: .82rem; letter-spacing: .06em; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { color: var(--gold-200); font-weight: 500; white-space: nowrap; }
.facts-table td:first-child { white-space: nowrap; }
.data-table td a { border-bottom: 1px solid var(--line-strong); }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 1.2rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--ink-850); border: 1px solid rgba(255, 255, 255, .07);
  border-radius: var(--radius); transition: var(--t); overflow: hidden;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); box-shadow: var(--shadow); }
.service-card { padding: 1.4rem 1.3rem; }
.service-card h3 { color: var(--gold-200); font-size: 1.02rem; margin-bottom: .5rem; }
.service-card p { margin: 0; font-size: .9rem; color: var(--text-soft); }
.card-media { display: block; overflow: hidden; }
.card-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: var(--t); }
.card:hover .card-media img { transform: scale(1.03); }
.card-body { padding: 1.15rem 1.2rem 1.35rem; }
.card-kicker { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin: 0 0 .35rem; }
.card-body h2, .card-body h3 { font-size: 1.12rem; margin-bottom: .4rem; }
.card-body h2 a, .card-body h3 a { color: #fff; }
.card-body h2 a:hover, .card-body h3 a:hover { color: var(--gold-200); }
.card-tag { font-size: .8rem; color: var(--gold); margin: 0 0 .55rem; }
.card-desc { font-size: .9rem; color: var(--text-soft); margin: 0 0 .8rem; }
.card-link { font-size: .84rem; letter-spacing: .05em; color: var(--gold-400); }
.card-link::after { content: " →"; }
.hero-copy { position: relative; }
.course-card, .case-card { display: flex; flex-direction: column; }
.course-card .card-body, .case-card .card-body { display: flex; flex-direction: column; flex: 1; }
.course-card .card-link, .case-card .card-link { margin-top: auto; }
.why-grid { margin-top: .4rem; }
.faq-q { display: block; }
.course-table { min-width: 680px; }
.metric-line { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; font-size: .8rem; color: var(--text-mute); margin: 0 0 .8rem; }
.metric-line strong { color: var(--gold-200); font-weight: 600; }
.course-row { display: grid; grid-template-columns: 200px 1fr; }
.course-row .card-media img { height: 100%; aspect-ratio: auto; }
.course-list { margin-top: 2rem; }

/* ---------- 创始人 ---------- */
.founder-strip { display: grid; grid-template-columns: 300px 1fr; gap: clamp(1.4rem, 4vw, 3rem); align-items: center; }
.founder-strip figure { margin: 0; border: 1px solid var(--line); }
.founder-strip img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.quote { margin: 1.2rem 0; }
.quote cite { display: block; margin-top: .5rem; font-style: normal; font-size: .8rem; color: var(--text-mute); letter-spacing: .08em; }

/* ---------- 列表 ---------- */
.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.post-item {
  display: grid; grid-template-columns: 240px 1fr; gap: 1.2rem;
  padding-bottom: 1.1rem; border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.post-thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.post-meta { display: flex; align-items: center; gap: .7rem; font-size: .76rem; color: var(--text-mute); margin: 0 0 .35rem; }
.tag { border: 1px solid var(--line-strong); color: var(--gold); padding: .05em .5em; border-radius: 2px; font-size: .7rem; }
.tag-ad { border-color: rgba(226, 133, 106, .6); color: #e9a58b; }
.tag-release { border-color: var(--line-strong); color: var(--gold); }
.press-table { min-width: 760px; }
.press-table td:last-child { font-size: .82rem; max-width: 34ch; }
.press-mini { list-style: none; padding: 0; margin: 0 0 1.2rem; display: grid; gap: .7rem; }
.press-mini li { display: grid; grid-template-columns: 6.5rem 1fr; gap: .4rem 1rem; align-items: baseline; border-bottom: 1px solid rgba(255, 255, 255, .07); padding-bottom: .6rem; font-size: .92rem; }
.press-mini time { color: var(--gold); font-size: .82rem; }
.press-mini span { grid-column: 2; font-size: .78rem; }
.post-item h2, .post-item h3 { font-size: 1.08rem; margin-bottom: .35rem; }
.post-item h2 a, .post-item h3 a { color: #fff; }
.post-item p { margin: 0; font-size: .9rem; color: var(--text-soft); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: .6rem; }
.faq-item { border: 1px solid rgba(255, 255, 255, .08); background: var(--ink-850); border-radius: var(--radius); }
.faq-item summary {
  cursor: pointer; padding: .95rem 1.1rem; list-style: none;
  display: flex; align-items: flex-start; gap: .6rem;
  font-size: .98rem; color: #fff; font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "+"; color: var(--gold); font-family: var(--sans); }
.faq-item[open] summary::before { content: "−"; }
.faq-a { padding: 0 1.1rem 1.1rem 2.1rem; color: var(--text-soft); font-size: .93rem; }
.faq-a p { margin: 0; }
.faq-group { margin-bottom: 2.2rem; }
.anchor-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.anchor-nav a { border: 1px solid var(--line); padding: .35rem .85rem; border-radius: 100px; font-size: .84rem; }

/* ---------- CTA ---------- */
.cta-band { background: linear-gradient(120deg, rgba(197, 165, 124, .16), rgba(197, 165, 124, .04)); border-block: 1px solid var(--line); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 2.2rem 0; flex-wrap: wrap; }
.cta-inner h2 { margin-bottom: .3rem; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.cta-inner p { margin: 0; color: var(--text-soft); max-width: 46ch; }

/* ---------- 溯源块 ---------- */
.source-block { margin-top: 2.2rem; padding: 1.1rem 1.3rem; border: 1px dashed var(--line-strong); background: rgba(255, 255, 255, .02); }
.source-title { font-size: .78rem; letter-spacing: .18em; color: var(--gold); margin: 0 0 .7rem; font-family: var(--sans); font-weight: 500; }
.source-block dl { margin: 0; display: grid; gap: .4rem; font-size: .82rem; }
.source-block dl > div { display: grid; grid-template-columns: 5.5rem 1fr; gap: .6rem; }
.source-block dt { color: var(--text-mute); }
.source-block dd { margin: 0; color: var(--text-soft); }

/* ---------- 页面头 / 面包屑 ---------- */
.page-head { padding: clamp(2rem, 4vw, 3.2rem) 0 1.6rem; border-bottom: 1px solid rgba(255, 255, 255, .06); background: var(--bg-soft); }
.page-head h1 { margin-bottom: .6rem; }
.page-lead { color: var(--text-soft); max-width: 56ch; margin: 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0 0 1.1rem; font-size: .78rem; color: var(--text-mute); }
.breadcrumb li + li::before { content: "/"; margin-right: .4rem; color: var(--line-strong); }
.breadcrumb a { color: var(--text-mute); }
.breadcrumb a:hover { color: var(--gold); }

/* ---------- 详情页两栏 ---------- */
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(1.6rem, 3.5vw, 3rem); align-items: start; }
.detail-aside { display: grid; gap: 1.1rem; position: sticky; top: 88px; }
.aside-card { border: 1px solid var(--line); background: var(--ink-850); padding: 1.1rem; }
.aside-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; margin-bottom: .9rem; }
.aside-card h2 { font-size: 1rem; margin-bottom: .5rem; }
.aside-card p { font-size: .86rem; color: var(--text-soft); }
.aside-links { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.aside-links li { border-bottom: 1px solid rgba(255, 255, 255, .06); padding-bottom: .6rem; font-size: .9rem; }
.aside-links li:last-child { border: 0; padding-bottom: 0; }
.aside-links span { display: block; font-size: .76rem; color: var(--text-mute); }

.check-list { list-style: none; padding: 0; margin: 0 0 1.8rem; display: grid; gap: .55rem; }
.check-list li { position: relative; padding-left: 1.6rem; color: var(--text-soft); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); }

.module-list { list-style: none; padding: 0; margin: 0 0 1.8rem; display: grid; gap: .9rem; }
.module-list li { display: grid; grid-template-columns: 2.4rem 1fr; gap: .8rem; border-bottom: 1px solid rgba(255, 255, 255, .07); padding-bottom: .9rem; }
.mod-no { font-family: var(--serif); color: var(--gold); font-size: 1.1rem; }
.module-list h3 { font-size: 1rem; margin-bottom: .2rem; }
.module-list p { margin: 0; font-size: .88rem; color: var(--text-soft); }

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 1.8rem; }
.metric-card { background: var(--ink-900); padding: 1rem; }
.metric-card span { display: block; font-size: .76rem; color: var(--text-mute); }
.metric-card strong { font-family: var(--serif); font-size: 1.28rem; color: var(--gold-200); }

/* ---------- 时间轴 ---------- */
.timeline { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--line-strong); }
.timeline > li { display: grid; grid-template-columns: 5rem 1fr; gap: 1.2rem; padding: 0 0 1.8rem 1.4rem; position: relative; }
.timeline > li::before {
  content: ""; position: absolute; left: -5px; top: .55rem; width: 9px; height: 9px;
  border-radius: 50%; background: var(--gold);
}
.tl-year { font-family: var(--serif); font-size: 1.2rem; color: var(--gold); }
.tl-body h3 { font-size: 1rem; margin-bottom: .4rem; color: #fff; }
.tl-body ul { margin: 0; padding-left: 1.1rem; font-size: .9rem; color: var(--text-soft); }

/* ---------- 表单 ---------- */
.lead-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1rem; }
.form-row { display: grid; gap: .35rem; }
.form-row.full { grid-column: 1 / -1; }
.form-row label { font-size: .84rem; color: var(--text-soft); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; min-height: 44px; padding: .6rem .8rem;
  background: var(--ink-850); color: var(--text);
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius);
  font-family: var(--sans); font-size: .95rem;
}
.form-row textarea { min-height: 96px; resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--gold); outline: none; }
.checkbox { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: .55rem; font-size: .82rem; color: var(--text-soft); }
.checkbox input { width: auto; min-height: 0; margin-top: .3rem; }
.lead-form .btn { grid-column: 1 / -1; justify-self: start; }
.search-form { display: flex; gap: .6rem; margin: 1.2rem 0 .8rem; }
.search-form input {
  flex: 1; min-height: 44px; padding: .6rem .9rem; background: var(--ink-850);
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); color: #fff; font-size: .95rem;
}
.alert { padding: .9rem 1.1rem; border-radius: var(--radius); margin-bottom: 1.2rem; font-size: .92rem; }
.alert.success { background: rgba(72, 187, 120, .12); border: 1px solid rgba(72, 187, 120, .4); color: #b9f0cf; }
.alert.error { background: rgba(239, 108, 108, .12); border: 1px solid rgba(239, 108, 108, .4); color: #ffc9c9; }

/* ---------- 搜索 / 过滤 ---------- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.6rem; }
.filter-tabs a { border: 1px solid var(--line); padding: .4rem 1rem; border-radius: 100px; font-size: .86rem; color: var(--text-soft); }
.filter-tabs a.is-active { background: var(--gold); border-color: var(--gold); color: #14100a; }
.search-results { list-style: none; padding: 0; display: grid; gap: 1.2rem; }
.search-results li { border-bottom: 1px solid rgba(255, 255, 255, .07); padding-bottom: 1rem; }
.search-results h2 { font-size: 1.06rem; margin-bottom: .3rem; }
.search-type { font-size: .72rem; letter-spacing: .14em; color: var(--gold); margin: 0 0 .2rem; }
.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .9rem; }
.post-nav span span, .post-nav a span { display: block; font-size: .72rem; color: var(--text-mute); letter-spacing: .1em; }
.article-cover { margin: 0 0 1.6rem; border: 1px solid var(--line); }
.article-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- 正文排版 ---------- */
.prose { color: var(--text-soft); }
.prose h2 { color: #fff; margin-top: 2rem; }
.prose h3 { color: var(--gold-200); margin-top: 1.5rem; }
.prose strong { color: #fff; }
.prose ul, .prose ol { color: var(--text-soft); }
.prose li { margin-bottom: .35rem; }
.prose table { margin: 1.2rem 0; }
.prose th { color: var(--gold-200); }
.prose td { color: var(--text-soft); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

.note { font-size: .82rem; color: var(--text-mute); }
.muted { color: var(--text-mute); }
.pending { color: #e2b04a; border: 1px dashed rgba(226, 176, 74, .5); padding: 0 .4em; border-radius: 2px; font-size: .82em; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink-900); border-top: 1px solid var(--line); padding: 3rem 0 1.4rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2rem; }
.footer-brand img { width: 96px; margin-bottom: 1rem; }
.footer-brand p { font-size: .84rem; color: var(--text-mute); max-width: 34ch; }
.motto { color: var(--gold) !important; font-size: .8rem !important; letter-spacing: .04em; }
.footer-col h2 { font-size: .82rem; letter-spacing: .14em; color: var(--gold); font-family: var(--sans); font-weight: 600; margin-bottom: .9rem; }
.footer-col a, .footer-col p, .footer-col address { display: block; font-size: .84rem; color: var(--text-mute); margin: 0 0 .5rem; font-style: normal; }
.footer-col a:hover { color: var(--gold-200); }
.footer-cta { display: inline-block !important; margin-top: .8rem; border: 1px solid var(--line-strong); padding: .45rem .9rem; border-radius: var(--radius); color: var(--gold) !important; }
.footer-cta:hover { background: rgba(197, 165, 124, .12); }
.footer-legal { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255, 255, 255, .06); font-size: .76rem; color: var(--text-mute); }
.footer-legal p { margin: 0; }
.gov a, .machine-links a { color: var(--text-mute); margin-right: 1rem; }
.gov a:hover, .machine-links a:hover { color: var(--gold); }

.mobile-bar { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-aside { position: static; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .site-nav {
    position: fixed; inset: 68px 0 auto; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--ink-900); border-bottom: 1px solid var(--line);
    padding: .6rem 1.2rem 1.4rem; transform: translateY(-120%); transition: var(--t);
    max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav > a { padding: .8rem 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .nav-cta { margin-top: .9rem; text-align: center; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .stat-pills { grid-template-columns: 1fr 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .course-row { grid-template-columns: 1fr; }
  .founder-strip { grid-template-columns: 1fr; }
  .founder-strip figure { max-width: 260px; }
  .post-item { grid-template-columns: 1fr; }
  .post-thumb { display: none; }
  .lead-form { grid-template-columns: 1fr; }
  .detail-aside { grid-template-columns: 1fr; }
  .timeline > li { grid-template-columns: 1fr; gap: .3rem; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .mobile-bar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 80;
    background: var(--ink-900); border-top: 1px solid var(--line);
  }
  .mobile-bar a { flex: 1; text-align: center; padding: .8rem; font-size: .88rem; }
  .mobile-bar a:first-child { background: var(--gold); color: #14100a; font-weight: 600; }
  body { padding-bottom: 3.2rem; }
}

@media (max-width: 560px) {
  .stat-pills { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .brand img { width: 78px; }
  .brand-text strong { font-size: .92rem; }
}

@media print {
  .site-header, .mobile-bar, .site-footer, .cta-band, .nav-toggle { display: none !important; }
  body { background: #fff; color: #111; }
  a { color: #111; }
}