/* 老胡私董会 · 内容库样式 v1.2
   配色沿用私董会「金色复盘」模板：象牙底 #FBF7EE、深金 #B8860B、烫金 #D4AF37、墨底 #0B0E14，配年度回顾的深棕 #5A3412。
   系统字体、无外部资源；手机优先，平板和电脑端逐级加宽。 */
:root {
  --bg: #fbf7ee;
  --paper: #fffdf9;
  --cream: #fbf3e6;
  --gold-soft: #f5ead0;
  --gold-softer: #fbf4e6;
  --sand: #e5d3a4;
  --line: #ece1cc;
  --line-strong: #dcc9a6;
  --gold: #b8860b;
  --gold-light: #d4af37;
  --gold-deep: #8a6408;
  --brown: #5a3412;
  --ink: #2a2118;
  --ink-2: #5b4935;
  --muted: #9a8670;
  --danger: #a1432b;
  --danger-soft: #f8e6df;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(90, 52, 18, .05), 0 6px 18px rgba(90, 52, 18, .05);
  --shadow-hover: 0 2px 4px rgba(90, 52, 18, .07), 0 10px 26px rgba(90, 52, 18, .09);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --tabbar-h: 60px;
  --ink-bg: #0b0e14;
  --ink-bg-2: #161b26;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 70px; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font);
  font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: rgba(176, 115, 31, .12);
  padding-bottom: calc(var(--tabbar-h) + 12px + env(safe-area-inset-bottom));
}
body.public { padding-bottom: 0; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-deep); }
:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 2px; border-radius: 6px; }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.35; margin: 0 0 .5em; letter-spacing: .01em; color: var(--brown); }
h1 { font-size: 1.55rem; font-family: var(--serif); font-weight: 700; }
h2 { font-size: 1.12rem; }
h3 { font-size: 1.02rem; }
p { margin: 0 0 .8em; }
code { font-family: var(--mono); font-size: .88em; background: var(--gold-softer); color: var(--gold-deep); padding: .1em .35em; border-radius: 4px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.main { padding-top: 16px; min-height: 60vh; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.center { text-align: center; }
.eyebrow { color: var(--gold); font-size: .8rem; letter-spacing: .14em; margin-bottom: .3em; }
.lead { color: var(--ink-2); font-size: 1.04rem; }

/* ---------- 顶栏 ---------- */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(251, 247, 238, .94); backdrop-filter: saturate(1.3) blur(10px); -webkit-backdrop-filter: saturate(1.3) blur(10px); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top); }
.topbar .wrap { max-width: 1120px; }
.topbar-in { display: flex; align-items: center; gap: 12px; height: 54px; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--brown); font-weight: 700; white-space: nowrap; letter-spacing: .04em; }
.brand:hover { color: var(--brown); }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(140deg, var(--gold-light), var(--gold) 55%, var(--gold-deep)); color: #fff8ea; font-size: 16px; font-family: var(--serif); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .25); }
.topnav { display: none; gap: 2px; margin-left: 10px; }
.topnav a { color: var(--ink-2); padding: 6px 12px; border-radius: 999px; font-size: .95rem; }
.topnav a:hover { background: var(--gold-softer); color: var(--brown); }
.topnav a.on { background: var(--gold-soft); color: var(--gold-deep); font-weight: 600; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.top-search { display: none; }
.top-search input { width: 220px; height: 36px; padding: 0 14px; border-radius: 999px; background: var(--paper); font-size: 14px; }
.icon-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: var(--ink-2); }
.icon-btn:hover { background: var(--gold-softer); color: var(--brown); }
.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--brown); color: #f8ebcf; font-size: .9rem; font-family: var(--serif); }
.menu summary::-webkit-details-marker { display: none; }
.menu-pop { position: absolute; right: 0; top: 44px; min-width: 180px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-hover); padding: 10px 16px; }
.menu-pop a, .menu-pop .linkish { display: block; padding: 8px 0; color: var(--ink); font-size: .95rem; }
.menu-pop p { margin: 0 0 4px; }
.linkish { background: none; border: 0; padding: 0; font: inherit; color: var(--gold); cursor: pointer; }
.linkish.danger { color: var(--danger); }

/* ---------- 底部标签栏（手机） ---------- */
.tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: repeat(5, 1fr); background: rgba(255, 253, 249, .97); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.tabbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; height: var(--tabbar-h); color: var(--muted); font-size: .72rem; position: relative; }
.tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; stroke-linecap: round; }
.tabbar a.on { color: var(--gold); font-weight: 600; }
.tabbar a.on::before { content: ""; position: absolute; top: 0; left: 30%; right: 30%; height: 2px; border-radius: 2px; background: var(--gold); }

/* ---------- 按钮与表单 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--paper); color: var(--brown); font: inherit; font-size: .95rem; cursor: pointer; transition: background .15s, border-color .15s; }
.btn:hover { border-color: var(--gold-light); background: var(--gold-softer); color: var(--brown); }
.btn-primary { background: linear-gradient(180deg, var(--gold-light), var(--gold)); border-color: var(--gold); color: #fffaf0; font-weight: 600; }
.btn-primary:hover { background: var(--gold-deep); border-color: var(--gold-deep); color: #fffaf0; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #86361f; color: #fff; }
.btn-block { width: 100%; }
input, select, textarea { font: inherit; font-size: 16px; color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: 10px; padding: 10px 12px; width: 100%; min-height: 44px; }
input[type="checkbox"] { width: 20px; height: 20px; min-height: 0; accent-color: var(--gold); }
input[type="file"] { padding: 8px; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(200, 145, 60, .22); border-color: var(--gold); }
textarea.mono { font-family: var(--mono); font-size: 14px; line-height: 1.6; }
.auth { max-width: 420px; margin: 24px auto; }
.auth h1 { text-align: center; }
.form { display: grid; gap: 14px; margin: 12px 0 18px; }
.form label { display: grid; gap: 6px; font-size: .9rem; color: var(--ink-2); }
.form label.check { display: flex; align-items: center; gap: 10px; }
.hint { font-size: .8rem; color: var(--muted); }
.row2 { display: grid; gap: 14px; }
.form.inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form.inline input[type="file"] { flex: 1; min-width: 200px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }

/* ---------- 卡片与列表 ---------- */
.card { display: block; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; color: var(--ink); box-shadow: var(--shadow); transition: border-color .15s, box-shadow .15s, transform .15s; }
a.card:hover { color: var(--ink); border-color: var(--sand); box-shadow: var(--shadow-hover); }
a.card:active { transform: scale(.995); }
.card h3 { margin: 4px 0 4px; font-size: 1.04rem; color: var(--ink); }
.card p { color: var(--ink-2); font-size: .92rem; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: .8rem; color: var(--muted); }
.list { display: grid; gap: 10px; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--gold-soft); color: var(--gold-deep); border: 1px solid transparent; }
/* 类型标签：同一金色系的深浅与描边区分，不用红绿 */
.k-brief { background: var(--gold); color: #fffaf0; }
.k-review { background: var(--gold-soft); color: var(--gold-deep); }
.k-meal { background: #f3dcae; color: var(--brown); }
.k-guest { background: var(--paper); color: var(--gold-deep); border-color: var(--sand); }
.k-study { background: #efe4d2; color: var(--ink-2); }
.k-plan { background: var(--brown); color: #f8ebcf; }
.k-archive, .k-event { background: #ede6da; color: var(--ink-2); }
.k-join { background: linear-gradient(90deg, var(--gold-light), var(--gold)); color: #fffaf0; }
.k-trip { background: var(--paper); color: var(--brown); border-color: var(--line-strong); }
.k-host { background: var(--gold-soft); color: var(--gold-deep); }
.k-wx { background: #efe4d2; color: var(--ink-2); }
.chip-sm { font-size: .75rem; padding: 0 8px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink-2); background: var(--paper); }
.draft { font-size: .75rem; color: var(--danger); border: 1px dashed var(--danger); border-radius: 6px; padding: 0 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 3px 13px; border-radius: 999px; background: var(--gold-softer); border: 1px solid var(--line); color: var(--gold-deep); font-size: .9rem; }
.chip.asset { background: var(--paper); border-color: var(--sand); color: var(--brown); font-weight: 600; }
.chip span { font-size: .74rem; color: var(--muted); }
.chip:hover { border-color: var(--gold-light); color: var(--brown); }
.chip.big { font-size: 1.2rem; padding: 4px 16px; font-family: var(--font); }
.flash { background: var(--gold-soft); color: var(--brown); border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; border: 1px solid var(--sand); }
.flash p { margin: 0; }
.alert { background: var(--danger-soft); color: var(--danger); border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; }
.alert p { margin: 0; }
.note { background: var(--gold-softer); color: var(--ink-2); border: 1px solid var(--line); border-left: 3px solid var(--gold-light); border-radius: 10px; padding: 10px 14px; font-size: .9rem; }
.empty { text-align: center; padding: 30px 16px; background: var(--paper); border: 1px dashed var(--line-strong); border-radius: var(--radius); }
.empty svg { width: 44px; height: 44px; fill: none; stroke: var(--sand); stroke-width: 2; stroke-linecap: round; }
.empty-title { font-weight: 600; margin: 6px 0 2px; color: var(--brown); }
.back { display: inline-flex; align-items: center; min-height: 36px; font-size: .9rem; margin-bottom: 4px; color: var(--ink-2); }
.page-head { margin-bottom: 12px; }
.block { margin: 24px 0; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.block-head h2 { margin: 0; position: relative; padding-left: 11px; }
.block-head h2::before { content: ""; position: absolute; left: 0; top: .25em; bottom: .25em; width: 3px; border-radius: 2px; background: linear-gradient(var(--gold-light), var(--gold)); }
.block-head a { font-size: .9rem; white-space: nowrap; }
.sub { font-size: .95rem; color: var(--ink-2); margin: 16px 0 8px; }
.seg { display: flex; gap: 6px; margin: 4px 0 16px; }
.seg.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; margin-left: -16px; margin-right: -16px; padding: 2px 16px; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 24px), transparent); mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 24px), transparent); }
.seg.scroll::-webkit-scrollbar { display: none; }
.seg a { flex: none; display: inline-flex; align-items: center; min-height: 36px; padding: 0 15px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); color: var(--ink-2); font-size: .9rem; }
.seg a:hover { border-color: var(--sand); color: var(--brown); }
.seg a.on { background: var(--brown); border-color: var(--brown); color: #f8ebcf; }
.seg .n { font-size: .74rem; opacity: .75; margin-left: 4px; }
.pager { display: flex; justify-content: space-between; align-items: center; margin: 18px 0; }
.pager a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); }

/* ---------- 公开首页 ---------- */
.hero { padding: 40px 0 18px; text-align: center; }
.hero h1 { font-size: 2.1rem; letter-spacing: .08em; }
.hero .lead { max-width: 520px; margin-left: auto; margin-right: auto; }
.hero .btn { margin: 10px 0 10px; min-width: 180px; }
.intro-grid { display: grid; gap: 12px; margin: 18px 0; }
.intro { background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--gold-light); border-radius: var(--radius); padding: 16px; }
.intro h2 { font-size: 1.02rem; margin-bottom: 4px; }
.intro p { color: var(--ink-2); font-size: .93rem; margin: 0; }

/* ---------- 会员首页 ---------- */
.welcome { padding: 4px 0 0; }
.welcome h1 { font-size: 1.45rem; }
.searchbar { display: flex; gap: 8px; margin: 10px 0 14px; }
.searchbar input { flex: 1; min-width: 0; border-radius: 999px; padding-left: 16px; }
.searchbar .btn { border-radius: 999px; }
.kind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.kind-tile { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 64px; padding: 8px 2px; border-radius: 12px; font-size: .8rem; text-align: center; background: var(--paper); border: 1px solid var(--line); color: var(--ink-2); }
.kind-tile strong { font-size: 1.3rem; line-height: 1.2; color: var(--gold); font-family: var(--serif); }
.kind-tile:hover { border-color: var(--sand); background: var(--gold-softer); color: var(--brown); }
.home-grid { display: block; }

/* ---------- 简报 ---------- */
.day { margin-bottom: 20px; }
.day-head { font-size: .95rem; color: var(--gold-deep); font-weight: 600; border-left: 3px solid var(--gold); padding-left: 8px; margin: 0 0 8px; }

/* ---------- 文章 ---------- */
.article { max-width: 720px; margin: 0 auto; }
.article h1 { margin-top: 8px; font-size: 1.6rem; }
.article .chips { margin-top: 0; }
.prose { font-size: 1.05rem; line-height: 1.9; color: #2f251b; overflow-wrap: anywhere; }
.prose h1, .prose h2 { font-size: 1.2rem; margin: 1.6em 0 .6em; padding-bottom: 6px; border-bottom: 1px solid var(--line); font-family: var(--font); color: var(--brown); }
.prose h3 { font-size: 1.06rem; margin: 1.3em 0 .5em; color: var(--gold-deep); }
.prose p { margin: 0 0 1em; }
.prose strong { color: var(--brown); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1em; }
.prose li { margin: .3em 0; }
.prose li::marker { color: var(--gold); }
.prose blockquote { margin: 1em 0; padding: 10px 16px; background: var(--gold-softer); border-left: 3px solid var(--gold); color: var(--ink-2); border-radius: 0 10px 10px 0; }
.prose blockquote p:last-child { margin: 0; }
.prose table { border-collapse: collapse; margin: 1em 0; font-size: .93rem; display: block; overflow-x: auto; max-width: 100%; }
.prose th, .prose td { border: 1px solid var(--line); padding: 7px 12px; text-align: left; white-space: nowrap; }
.prose th { background: var(--gold-soft); color: var(--brown); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.6em 0; }
.prose a { text-decoration: underline; text-decoration-color: var(--sand); text-underline-offset: 3px; }
.prose pre { background: #2a2118; color: #f6e9cf; padding: 12px; border-radius: 10px; overflow-x: auto; font-size: .86rem; }
.prose pre code { background: none; padding: 0; color: inherit; }
.attach, .join-box { margin: 22px 0; padding: 16px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.attach h2, .join-box h2 { font-size: 1.02rem; }
.attach ul { margin: 0; padding-left: 1.2em; }
.join-box { border-top: 3px solid var(--gold-light); }
.join-box form { margin: 8px 0; }
.source { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }

/* ---------- 公众号 ---------- */
.wx-card .go { display: inline-block; margin-top: 6px; font-size: .82rem; color: var(--gold); font-weight: 600; }
a.wx-card:hover .go { color: var(--gold-deep); }
.acc-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
.acc { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; color: var(--ink); min-width: 0; }
.acc:hover { border-color: var(--sand); color: var(--ink); }
.acc-text { display: grid; min-width: 0; line-height: 1.35; }
.acc-text strong { font-size: .95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--brown); }
.acc-mark { flex: none; display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: #efe4d2; color: var(--gold-deep); font-family: var(--serif); }
.acc-mark.host { background: linear-gradient(140deg, var(--gold-light), var(--gold)); color: #fffaf0; }
.acc-mark.big { width: 54px; height: 54px; font-size: 1.4rem; }
.acc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.acc-head h1 { margin: 0; }

/* ---------- 日程 / 活动 ---------- */
.event-card, .plan-card { display: flex; gap: 14px; align-items: flex-start; }
.ev-date, .plan-date { flex: none; width: 60px; text-align: center; background: var(--gold-soft); color: var(--gold-deep); border-radius: 10px; padding: 7px 0; line-height: 1.2; }
.ev-date strong, .plan-date strong { display: block; font-size: 1.12rem; font-family: var(--serif); }
.ev-date span, .plan-date span { font-size: .72rem; }
.plan-card.trip .plan-date { background: var(--paper); border: 1px solid var(--line-strong); color: var(--brown); }
.event-card p.small, .plan-card p.small { margin-bottom: 2px; }
.plan-card h3 { margin-top: 2px; }

/* ---------- 管理 ---------- */
.rows { list-style: none; margin: 0; padding: 0; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.rows li { border-bottom: 1px solid var(--line); }
.rows li:last-child { border-bottom: 0; }
.rows li > a, .rows .row-plain { display: grid; gap: 2px; padding: 11px 14px; color: var(--ink); }
.rows li > a:hover { background: var(--gold-softer); color: var(--ink); }
.row-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .78rem; color: var(--muted); }
.row-title { font-size: .95rem; }
.row-split { display: flex; align-items: center; gap: 10px; padding: 10px 14px; }
.row-split a { flex: 1; overflow-wrap: anywhere; }
.row-split form { margin: 0; }
.danger-zone { border-top: 1px solid var(--line); padding-top: 14px; }
.danger-zone h2 { color: var(--danger); }
.danger-zone form { display: grid; gap: 10px; justify-items: start; }

.foot { color: var(--muted); font-size: .78rem; padding-top: 24px; padding-bottom: 24px; text-align: center; }
mark { background: #f6dfa6; color: inherit; padding: 0 2px; border-radius: 3px; }

/* ================= 平板（≥ 720px） ================= */
@media (min-width: 720px) {
  body { padding-bottom: 0; }
  .tabbar { display: none; }
  .topnav { display: flex; }
  .search-icon { display: none; }
  .top-search { display: block; }
  .topbar-in { height: 62px; }
  h1 { font-size: 1.85rem; }
  .wrap { padding: 0 28px; }
  .main { padding-top: 26px; }
  .intro-grid { grid-template-columns: 1fr 1fr; }
  .row2 { grid-template-columns: 1fr 1fr; }
  .list.cols { grid-template-columns: 1fr 1fr; gap: 14px; }
  .acc-grid { grid-template-columns: 1fr 1fr; }
  .kind-grid { grid-template-columns: repeat(6, 1fr); }
  .seg.scroll { margin-left: 0; margin-right: 0; padding: 0; flex-wrap: wrap; -webkit-mask-image: none; mask-image: none; }
  .card { padding: 16px 18px; }
  .card:hover { transform: none; }
  .welcome h1 { font-size: 1.7rem; }
  .searchbar { max-width: 560px; }
  .hero { padding: 64px 0 28px; }
  .hero h1 { font-size: 2.6rem; }
}

/* ================= 电脑（≥ 1024px） ================= */
@media (min-width: 1024px) {
  .wrap.wide { max-width: 1120px; }
  .wrap.wide .welcome { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
  .wrap.wide .welcome .searchbar { flex: 0 1 420px; margin: 0 0 6px; }
  .welcome .eyebrow { margin-bottom: 0; }
  .home-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 36px; align-items: start; }
  .home-side { position: sticky; top: 82px; }
  .home-side .block:first-child { margin-top: 24px; }
  .list.cols { grid-template-columns: repeat(3, 1fr); }
  .intro-grid { grid-template-columns: repeat(4, 1fr); }
  .acc-grid { grid-template-columns: repeat(3, 1fr); }
  .article { padding: 8px 0 24px; }
  .article h1 { font-size: 2rem; }
  .prose { font-size: 1.08rem; }
  .auth { margin-top: 48px; padding: 28px 32px; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
}

/* ================= 小屏手机（≤ 360px） ================= */
@media (max-width: 360px) {
  .brand span:last-child { font-size: .95rem; }
  .card { padding: 12px 13px; }
  .ev-date, .plan-date { width: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ================= 讲义式阅读页（复盘 / 加餐 / 分享） ================= */
.doc-hero { text-align: center; max-width: 760px; margin: 0 auto 8px; }
.doc-hero .back { float: left; }
.doc-brand { clear: both; color: var(--gold); letter-spacing: .3em; font-size: .78rem; margin: 6px 0 8px; }
.center-meta, .center-chips { justify-content: center; }
.doc-hero h1 { font-size: 1.55rem; margin: 10px 0 8px; }
.doc-hero .lead { font-size: .98rem; }
.doc-tabs { position: sticky; top: 54px; z-index: 10; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; padding: 10px 0; margin: 4px -16px 0; background: rgba(251, 247, 238, .95); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.doc-tabs a { display: inline-flex; align-items: center; gap: 4px; min-height: 36px; padding: 0 14px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line-strong); color: var(--brown); font-size: .88rem; }
.doc-tabs a span { color: var(--muted); font-size: .75rem; }
.doc-tabs a:hover { border-color: var(--gold); }
.doc-grid { display: block; }
.doc-main { max-width: 820px; margin: 0 auto; }
.doc-sec { margin: 26px 0; scroll-margin-top: 120px; }
.doc-h { text-align: center; font-family: var(--serif); font-size: 1.25rem; color: var(--brown); margin-bottom: 14px; }
.doc-h::after { content: ""; display: block; width: 40px; height: 2px; margin: 8px auto 0; background: linear-gradient(90deg, var(--gold-light), var(--gold)); border-radius: 2px; }
.doc-toc { display: none; }

.slides { display: grid; gap: 14px; }
.slide { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.slide img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: #fff; }
.slide figcaption { font-size: .75rem; color: var(--muted); text-align: right; padding: 4px 10px; border-top: 1px solid var(--line); }
.figures { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.figures img { display: block; width: 100%; height: auto; }

.mindmap { margin-top: 6px; }
.mm-root { text-align: center; font-family: var(--serif); font-size: 1.1rem; color: #fffaf0; background: linear-gradient(140deg, var(--gold-light), var(--gold) 60%, var(--gold-deep)); border-radius: 12px; padding: 12px 16px; margin-bottom: 10px; }
.mm-root span { display: block; font-family: var(--font); font-size: .75rem; opacity: .85; margin-top: 2px; }
.mm-tools { display: flex; justify-content: flex-end; gap: 8px; margin: 0 0 10px; }
.mm-tools .btn { min-height: 34px; padding: 0 12px; font-size: .82rem; }
.mm-branch { background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--gold-light); border-radius: 14px; padding: 14px 14px 10px; margin: 0 0 14px; box-shadow: var(--shadow); scroll-margin-top: 120px; }
.mm-group { display: block; font-size: .74rem; color: var(--muted); letter-spacing: .06em; margin-bottom: 2px; }
.mm-branch h3 { display: flex; align-items: baseline; gap: 10px; font-size: 1.08rem; color: var(--brown); margin: 0 0 8px; line-height: 1.4; }
.mm-no { flex: none; font-family: var(--serif); color: var(--gold); font-size: 1.05rem; }
.mm-tree, .mm-tree ul { list-style: none; margin: 0; padding: 0; }
.mm-tree ul { margin-left: 9px; padding-left: 14px; border-left: 1px dashed var(--sand); }
.mm-tree li { position: relative; margin: 3px 0; font-size: .95rem; line-height: 1.65; color: var(--ink); overflow-wrap: anywhere; }
.mm-tree ul > li::before { content: ""; position: absolute; left: -14px; top: .85em; width: 10px; border-top: 1px dashed var(--sand); }
.mm-leaf { padding-left: 14px; }
.mm-leaf::after { content: ""; position: absolute; left: 2px; top: .7em; width: 5px; height: 5px; border-radius: 50%; background: var(--gold-light); }
.mm-tree summary { cursor: pointer; list-style: none; padding: 1px 0 1px 18px; position: relative; border-radius: 6px; }
.mm-tree summary::-webkit-details-marker { display: none; }
.mm-tree summary::before { content: ""; position: absolute; left: 1px; top: .55em; width: 0; height: 0; border-left: 6px solid var(--gold); border-top: 4px solid transparent; border-bottom: 4px solid transparent; transition: transform .15s; }
.mm-tree details[open] > summary::before { transform: rotate(90deg); }
.mm-tree summary:hover { background: var(--gold-softer); }
.mm-node.d2 > details > summary { font-weight: 700; color: var(--brown); }
.mm-node.d3 > details > summary { font-weight: 600; color: var(--gold-deep); }
.mm-n { margin-left: 6px; font-size: .7rem; font-weight: 400; color: var(--muted); }
.mm-tree details:not([open]) > summary { color: var(--ink-2); }

@media (min-width: 720px) {
  .doc-hero h1 { font-size: 2rem; }
  .doc-tabs { top: 62px; margin: 4px 0 0; border: 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; position: static; }
  .slides { grid-template-columns: 1fr 1fr; }
  .mm-branch { padding: 18px 20px 14px; }
}
@media (min-width: 1024px) {
  .doc-grid.has-toc { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 36px; align-items: start; }
  .doc-grid.has-toc .doc-main { max-width: none; margin: 0; }
  .doc-toc { display: block; position: sticky; top: 82px; max-height: calc(100vh - 100px); overflow: auto; padding: 14px 6px 14px 0; }
  .toc-title { font-size: .8rem; letter-spacing: .14em; color: var(--gold); margin: 0 0 8px; }
  .doc-toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
  .doc-toc li a { display: flex; gap: 8px; padding: 5px 10px; font-size: .88rem; color: var(--ink-2); line-height: 1.45; border-left: 2px solid transparent; margin-left: -1px; }
  .doc-toc li a:hover { color: var(--brown); border-left-color: var(--gold); background: var(--gold-softer); }
  .toc-no { color: var(--gold); font-family: var(--serif); flex: none; }
  .toc-group { font-size: .74rem; color: var(--muted); padding: 10px 10px 2px; }
  .slides { grid-template-columns: 1fr 1fr; }
}

/* ---------- 墨底烫金头图（讲义页、公开首页） ---------- */
.doc-hero, .hero { background: radial-gradient(120% 140% at 85% -10%, rgba(212, 175, 55, .22), transparent 55%), linear-gradient(160deg, var(--ink-bg-2), var(--ink-bg)); color: #e9e2cf; border-radius: 18px; padding: 18px 18px 20px; box-shadow: 0 10px 30px rgba(11, 14, 20, .18); }
.doc-hero h1, .hero h1 { background: linear-gradient(180deg, #f6e4a6, #d4af37 55%, #b8860b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.doc-hero .lead, .hero .lead { color: #cfc6b0; }
.doc-hero .back { color: #cfc6b0; }
.doc-hero .back:hover { color: #f6e4a6; }
.doc-brand, .hero .eyebrow { color: #d4af37; }
.doc-hero .card-meta { color: #a89f8a; }
.doc-hero .chip-sm { background: transparent; color: #e9e2cf; border-color: rgba(212, 175, 55, .45); }
.doc-hero .chip { background: rgba(212, 175, 55, .12); border-color: rgba(212, 175, 55, .35); color: #f6e4a6; }
.doc-hero .chip.asset { background: transparent; color: #f6e4a6; }
.doc-hero .badge { box-shadow: 0 0 0 1px rgba(212, 175, 55, .4); }
.doc-hero .doc-tabs { background: transparent; border: 0; margin: 10px 0 0; position: static; backdrop-filter: none; -webkit-backdrop-filter: none; padding: 4px 0 0; }
.doc-hero .doc-tabs a { background: rgba(255, 255, 255, .06); color: #f6e4a6; border-color: rgba(212, 175, 55, .45); }
.doc-hero .doc-tabs a span { color: #a89f8a; }
.doc-hero .doc-tabs a:hover { background: rgba(212, 175, 55, .16); }
.hero { margin-top: 10px; }
.hero .muted { color: #a89f8a; }
@media (min-width: 720px) {
  .doc-hero { padding: 28px 36px 26px; }
  .hero { padding: 64px 32px 40px; }
}

/* ---------- 回放 ---------- */
.replay-cta { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 12px 0 2px; }
.replay-cta .btn { min-width: 160px; }
.replay-card h3 { margin: 6px 0; }
.replay-card .btn { margin: 6px 0 4px; }
.replay-card .hint { margin: 0; }
.replay-chip { border-color: var(--gold-light); color: var(--gold-deep); }

/* ================= 资料页 v1.3：象牙金题图（金色复盘浅色版），替换墨底头图 ================= */
.doc-hero {
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(212, 175, 55, .14), transparent 70%),
    var(--paper);
  color: var(--ink); border: 1px solid var(--line-strong); border-radius: 18px;
  box-shadow: inset 0 0 0 5px var(--paper), inset 0 0 0 6px rgba(212, 175, 55, .35), var(--shadow);
  padding: 18px 18px 22px;
}
.doc-hero h1 { background: none; -webkit-background-clip: border-box; background-clip: border-box; color: var(--brown); font-weight: 700; letter-spacing: .03em; }
.doc-hero .lead { color: var(--ink-2); max-width: 620px; margin-left: auto; margin-right: auto; }
.doc-hero .back { color: var(--muted); }
.doc-hero .back:hover { color: var(--gold-deep); }
.doc-brand { color: var(--gold); letter-spacing: .5em; font-size: .78rem; text-indent: .5em; }
.doc-kicker { display: inline-flex; align-items: center; gap: 8px; margin: 2px auto 6px; padding: 4px 16px; border: 1px solid var(--gold-light); border-radius: 999px; color: var(--gold-deep); font-size: .82rem; letter-spacing: .35em; text-indent: .35em; background: var(--gold-softer); }
.doc-kicker span { letter-spacing: 0; color: var(--gold-light); }
.doc-hero .card-meta { color: var(--muted); }
.doc-hero .chip-sm { background: var(--paper); color: var(--ink-2); border-color: var(--line-strong); }
.doc-hero .chip { background: var(--gold-softer); border-color: var(--line-strong); color: var(--gold-deep); }
.doc-hero .chip.asset { background: var(--paper); color: var(--brown); border-color: var(--sand); }
.doc-hero .badge { box-shadow: none; }
.doc-hero .doc-tabs { margin: 14px 0 0; padding: 12px 0 0; border-top: 1px solid var(--line); }
.doc-hero .doc-tabs a { background: var(--paper); color: var(--brown); border-color: var(--line-strong); }
.doc-hero .doc-tabs a span { color: var(--muted); }
.doc-hero .doc-tabs a:hover { background: var(--gold-softer); border-color: var(--gold-light); }
.doc-hero .replay-cta .btn-primary { box-shadow: 0 6px 16px rgba(184, 134, 11, .25); }

/* 导图分节：编号徽章 + 金色细边卡片（同金色复盘模板） */
.mm-branch { border: 1px solid var(--line-strong); border-top: 1px solid var(--line-strong); border-radius: 16px; padding: 0; overflow: hidden; }
.mm-branch > h3, .mm-branch > .mm-group { padding-left: 16px; padding-right: 16px; }
.mm-branch > .mm-group { padding-top: 12px; margin-bottom: -4px; }
.mm-branch > h3 { margin: 0; padding-top: 12px; padding-bottom: 12px; background: linear-gradient(90deg, var(--gold-softer), var(--paper)); border-bottom: 1px solid var(--line); align-items: center; }
.mm-branch > .mm-group + h3 { padding-top: 8px; }
.mm-branch > .mm-tree { padding: 12px 16px 14px; }
.mm-no { display: inline-grid; place-items: center; min-width: 30px; height: 30px; padding: 0 6px; border-radius: 9px; background: linear-gradient(140deg, var(--gold-light), var(--gold)); color: #fffaf0; font-family: var(--font); font-size: .85rem; font-weight: 700; box-shadow: 0 2px 6px rgba(184, 134, 11, .25); }
.mm-root { background: var(--paper); color: var(--brown); border: 1px dashed var(--gold-light); font-weight: 700; }
.mm-root span { color: var(--muted); opacity: 1; }
.doc-h { letter-spacing: .3em; text-indent: .3em; font-size: 1.12rem; }
.slide, .figures { border-color: var(--line-strong); }
@media (min-width: 720px) {
  .doc-hero { padding: 30px 40px 28px; }
  .mm-branch > h3, .mm-branch > .mm-group { padding-left: 22px; padding-right: 22px; }
  .mm-branch > .mm-tree { padding: 14px 22px 18px; }
}

/* ---------- 作品集：视频卡片 ---------- */
.k-video { background: var(--brown); border-color: var(--brown); color: #f6e4a6; }
.wx-card.is-video { border-left: 3px solid var(--gold-light); }
.replay-src { text-align: center; font-size: .78rem; color: var(--muted); margin: 6px 0 0; }