/* ==========================================================================
   汉字字形演变 · 证据链时间轴
   视觉参考：中华珍宝馆 g2.ltfc.net
   —— 浅色暖纸底 / 白色圆角卡片 / 金棕强调色 / 细描边 / 柔和投影 / 药丸导航
   ========================================================================== */

:root{
  --paper:#f7f5f2;
  --paper-2:#efece7;
  --card:#ffffff;
  --card-2:#fbfaf8;
  --ink:#1f1d1a;
  --ink-2:#4a4641;
  --muted:#8c8680;
  --line:#e6e1d9;
  --line-2:#f0ece5;
  --gold:#a9834c;
  --gold-deep:#8b6f3e;
  --gold-soft:#f6f0e5;
  --ok:#a9834c;
  --doubt:#c8873a;
  --blank:#9a948c;
  --gapc:#c9c3ba;
  --radius:16px;
  --radius-sm:10px;
  --radius-xs:7px;
  --shadow:0 1px 2px rgba(31,29,26,.04), 0 6px 18px rgba(31,29,26,.05);
  --shadow-hover:0 4px 10px rgba(31,29,26,.07), 0 14px 32px rgba(31,29,26,.09);
  --shadow-lg:0 16px 48px rgba(31,29,26,.16);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif CJK SC","SimSun",serif;
  --kai:"Kaiti SC","KaiTi","STKaiti","BiauKai",var(--serif);
}

*,*::before,*::after{ box-sizing:border-box; }

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:14px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

/* 关键：本表多处给元素写了 display，必须让 [hidden] 仍然生效 */
[hidden]{ display:none !important; }

img{ display:block; max-width:100%; }
button{ font:inherit; color:inherit; cursor:pointer; }
a{ color:inherit; text-decoration:none; }
svg{ fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }

/* ------------------------------------------------------------------ 顶栏 */
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  max-width:1680px; margin:0 auto; height:62px;
  padding:0 24px;
  display:flex; align-items:center; gap:22px;
}
.brand{ display:flex; align-items:center; gap:10px; flex:none; }
.brand-mark{
  width:32px; height:32px; border-radius:50%;
  display:grid; place-items:center;
  background:linear-gradient(145deg,#b8935c,#8b6f3e);
  color:#fff; font-family:var(--serif); font-size:17px; font-weight:600;
  box-shadow:0 2px 6px rgba(139,111,62,.35);
}
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text b{ font-size:14.5px; letter-spacing:.2px; }
.brand-text i{ font-style:normal; font-size:11px; color:var(--muted); letter-spacing:.6px; }

.search{
  flex:1 1 auto; max-width:620px; margin:0 auto;
  display:flex; align-items:center; gap:8px;
  height:40px; padding:0 6px 0 14px;
  background:#fff; border:1px solid var(--line); border-radius:999px;
  transition:border-color .18s, box-shadow .18s;
}
.search:focus-within{ border-color:var(--gold); box-shadow:0 0 0 3px rgba(169,131,76,.12); }
.search-icon{ width:17px; height:17px; flex:none; color:var(--muted); }
.search input{
  flex:1 1 auto; min-width:0; border:0; outline:0; background:transparent;
  font-size:14px; color:var(--ink);
}
.search input::placeholder{ color:#b3aca4; }
.search button{
  flex:none; height:30px; padding:0 16px; border:0; border-radius:999px;
  background:var(--gold); color:#fff; font-size:13px; letter-spacing:1px;
  transition:background .18s;
}
.search button:hover{ background:var(--gold-deep); }

.topbar-actions{ display:flex; align-items:center; gap:8px; flex:none; }
.ghost-btn{
  display:inline-flex; align-items:center; gap:6px;
  height:36px; padding:0 14px;
  background:#fff; border:1px solid var(--line); border-radius:999px;
  font-size:13px; color:var(--ink-2);
  transition:border-color .18s, color .18s, box-shadow .18s;
}
.ghost-btn svg{ width:15px; height:15px; }
.ghost-btn:hover{ border-color:var(--gold); color:var(--gold-deep); box-shadow:0 2px 8px rgba(169,131,76,.12); }
.ghost-btn.on{ background:var(--gold); border-color:var(--gold); color:#fff; }

/* ------------------------------------------------------------- 页面容器 */
main{ max-width:1680px; margin:0 auto; padding:22px 24px 8px; }

/* --------------------------------------------------------------- 字头区 */
.hero{
  position:relative;
  background:
    radial-gradient(120% 150% at 0% 0%, #fdfbf7 0%, #f3eee4 55%, #ece5d8 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px 26px;
  overflow:hidden;
}
.hero::after{
  content:""; position:absolute; right:-40px; bottom:-70px;
  width:320px; height:320px; border-radius:50%;
  background:radial-gradient(circle, rgba(169,131,76,.10), transparent 68%);
  pointer-events:none;
}
.hero-main{ display:flex; align-items:flex-start; gap:26px; flex-wrap:wrap; }
.hero-glyph{
  flex:none;
  font-family:var(--kai); font-size:84px; line-height:1;
  color:var(--ink); letter-spacing:2px;
  padding:6px 10px 10px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 2px 10px rgba(31,29,26,.05);
}
.hero-meta{ flex:1 1 320px; min-width:260px; }
.hero-title{ display:flex; align-items:baseline; gap:10px; flex-wrap:wrap; margin-bottom:6px; }
.hero-title h1{ margin:0; font-size:22px; font-weight:700; letter-spacing:.5px; }
.hero-title .pinyin{ font-size:12px; color:var(--muted); letter-spacing:1px; }
.hero-sub{ color:var(--ink-2); font-size:13.5px; display:flex; flex-wrap:wrap; gap:6px 14px; align-items:center; }
.hero-sub .k{ color:var(--muted); }
.hero-variants{ display:flex; flex-wrap:wrap; gap:6px; margin-top:10px; }
.hero-variants .v{
  font-family:var(--kai); font-size:15px;
  padding:2px 9px; border-radius:999px;
  background:#fff; border:1px solid var(--line); color:var(--ink-2);
}
.hero-stats{ display:flex; flex-wrap:wrap; gap:0; margin-top:16px; border-top:1px dashed var(--line); padding-top:14px; }
.hero-stats .st{ padding:0 22px 0 0; margin:0 22px 0 0; border-right:1px solid var(--line-2); }
.hero-stats .st:last-child{ border-right:0; }
.hero-stats .n{ font-size:19px; font-weight:600; color:var(--gold-deep); font-variant-numeric:tabular-nums; }
.hero-stats .l{ font-size:11.5px; color:var(--muted); letter-spacing:.4px; }
.hero-note{
  margin-top:12px; font-size:12.5px; color:var(--ink-2);
  background:rgba(255,255,255,.7); border:1px solid var(--line-2);
  border-radius:var(--radius-sm); padding:9px 13px;
}
.hero-note.warn{ border-color:#e8d7bd; background:#fdf8ef; color:#7d5a24; }

/* ------------------------------------------------------------ 十三字导航 */
.chips-wrap{ display:flex; align-items:flex-start; gap:10px; margin:16px 0 0; }
.chips{ display:flex; flex:1 1 auto; flex-wrap:nowrap; gap:9px; overflow-x:auto; overscroll-behavior-x:contain; padding:2px 2px 6px; margin:0; scrollbar-width:thin; }
.chips.expanded{ flex-wrap:wrap; overflow:visible; }
.chips-toggle{ flex:0 0 auto; margin:1px 0 0; padding:7px 13px; font:inherit; font-size:12px; color:var(--gold-deep); background:var(--gold-soft); border:1px solid var(--line); border-radius:999px; cursor:pointer; white-space:nowrap; }
.chips-toggle:hover{ border-color:var(--gold); }
.chip{
  display:inline-flex; align-items:center; gap:7px;
  height:38px; padding:0 15px;
  background:#fff; border:1px solid var(--line); border-radius:999px;
  font-size:14px; color:var(--ink-2);
  transition:border-color .16s, box-shadow .16s, color .16s, background .16s;
}
.chip .g{ font-family:var(--kai); font-size:16px; }
.chip .c{ font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums; }
.chip:hover{ border-color:var(--gold); color:var(--gold-deep); box-shadow:0 2px 10px rgba(169,131,76,.13); }
.chip.on{ background:var(--gold); border-color:var(--gold); color:#fff; }
.chip.on .c{ color:rgba(255,255,255,.8); }
.chip.ghost{ color:var(--muted); }

/* ---------------------------------------------------------------- 工具条 */
.toolbar{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px 14px;
  margin:18px 0 14px;
  padding:12px 16px;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  box-shadow:var(--shadow);
}
.toolbar .tl{ font-size:12px; color:var(--muted); letter-spacing:.5px; flex:none; }
.pillbar{ display:flex; flex-wrap:wrap; gap:7px; }
.pill{
  height:30px; padding:0 13px; border-radius:999px;
  background:#fff; border:1px solid var(--line); color:var(--ink-2);
  font-size:12.5px; display:inline-flex; align-items:center; gap:6px;
  transition:all .16s;
}
.pill .dot{ width:7px; height:7px; border-radius:50%; background:var(--gapc); }
.pill[data-cert="确证"] .dot{ background:var(--ok); }
.pill[data-cert="存疑"] .dot{ background:var(--doubt); }
.pill[data-cert="空白"] .dot{ background:var(--blank); }
.pill[data-cert="缺环"] .dot{ background:transparent; border:1px dashed var(--gapc); }
.pill.on{ background:var(--gold-soft); border-color:var(--gold); color:var(--gold-deep); }
.pill.off{ opacity:.42; }
.toolbar .sp{ flex:1 1 auto; }
.legend{ display:flex; flex-wrap:wrap; gap:12px; font-size:11.5px; color:var(--muted); }
.legend i{ display:inline-flex; align-items:center; gap:5px; font-style:normal; }
.legend .sq{ width:9px; height:9px; border-radius:2px; }

/* --------------------------------------------------------------- 时间轴 */
.timeline-wrap{ position:relative; }

/* 横向滚动容器：主轴与栏位在同一个容器里，所以节点永远对齐它下面那一栏 */
.tl-scroller{ overflow-x:auto; padding-bottom:6px; }
.tl-scroller::-webkit-scrollbar{ height:9px; }
.tl-scroller::-webkit-scrollbar-thumb{ background:#ddd6ca; border-radius:99px; }
.tl-inner{ --tl-n:7; }

/* 主轴：一条连续的线把七期串起来。缺环期的节点是虚线圈，但线照样穿过它，不断线。 */
.axis{
  display:grid;
  grid-template-columns:repeat(var(--tl-n), minmax(228px, 1fr));
  gap:16px;
  margin:4px 0 10px;
}
.axis .node{
  position:relative; display:flex; flex-direction:column; align-items:flex-start; gap:2px;
  border:0; background:none; padding:0; margin:0; text-align:left;
  font-family:inherit; color:inherit; cursor:pointer;
}
.axis .node::before{                       /* 本节点圆点 → 下一节点圆点，保证线不断 */
  content:""; position:absolute; left:11px; right:-27px; top:10px; height:2px;
  background:var(--line); z-index:0;
}
.axis .node:last-child::before{ display:none; }
.axis .node .dot{
  position:relative; z-index:1; width:22px; height:22px; border-radius:99px;
  background:#fff; border:2px solid var(--gold); box-shadow:0 0 0 4px var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-size:10px; line-height:1; color:var(--gold-deep); font-variant-numeric:tabular-nums;
}
.axis .node.gap .dot{ border-style:dashed; border-color:var(--gapc); color:var(--blank); }
.axis .node .nm{ position:relative; z-index:1; margin-top:7px; font-size:13px; font-weight:700; letter-spacing:.5px; }
.axis .node .yr{ font-size:10.5px; color:var(--muted); letter-spacing:.2px; }
.axis .node .ct{ font-size:10.5px; color:var(--gold-deep); font-variant-numeric:tabular-nums; }
.axis .node.gap .ct{ color:var(--blank); }
.axis .node.off{ opacity:.42; }
.axis .node.off .dot{ border-color:var(--line); }
.axis .node:hover .nm{ color:var(--gold-deep); }

.timeline{
  display:grid;
  grid-template-columns:repeat(var(--tl-n), minmax(228px, 1fr));
  gap:16px;
  align-items:start;
  padding-bottom:8px;
}

.col{ display:flex; flex-direction:column; min-width:0; }
.col-head{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm) var(--radius-sm) 0 0;
  padding:11px 13px 10px; border-bottom:0;
}
.col-head .h1{ display:flex; align-items:center; justify-content:space-between; gap:8px; }
.col-head .nm{ font-size:15px; font-weight:700; letter-spacing:.6px; }
.col-head .era{ font-size:11px; color:var(--muted); margin-top:1px; }
.col-head .cnt{ font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums; }
.col-head .bar{ height:3px; border-radius:99px; background:var(--line-2); margin-top:9px; overflow:hidden; }
.col-head .bar span{ display:block; height:100%; width:0; background:var(--gold); }
.col[data-cert="空白"] .col-head .bar span{ background:var(--blank); }
.col[data-cert="存疑"] .col-head .bar span{ background:var(--doubt); }
.col[data-cert="缺环"] .col-head .bar span{ background:transparent; }

.col-body{
  flex:1 1 auto;
  background:var(--card-2); border:1px solid var(--line); border-radius:0 0 var(--radius-sm) var(--radius-sm);
  padding:11px; display:flex; flex-direction:column; gap:11px; min-height:120px;
}

.subgroup{ display:flex; flex-direction:column; gap:7px; }
.subgroup > .sh{
  display:flex; align-items:center; gap:7px;
  font-size:11px; color:var(--muted); letter-spacing:.4px;
}
.subgroup > .sh::after{ content:""; flex:1 1 auto; height:1px; background:var(--line-2); }

.cards{ display:grid; grid-template-columns:repeat(auto-fill, minmax(92px, 1fr)); gap:9px; }

/* 字形卡片 */
.card{
  position:relative; text-align:left;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-xs);
  padding:0; overflow:hidden;
  transition:transform .16s, box-shadow .16s, border-color .16s;
}
.card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:#dcd4c6; }
.card .thumb{
  aspect-ratio:1/1; background:
    linear-gradient(0deg,#fff,#fff),
    repeating-conic-gradient(#f6f4f0 0% 25%, #fff 0% 50%) 0 0/14px 14px;
  display:grid; place-items:center; padding:8px;
  border-bottom:1px solid var(--line-2);
}
.card .thumb img{ width:100%; height:100%; object-fit:contain; }
.card .bd{ padding:7px 8px 8px; }
.card .src{
  display:inline-flex; align-items:center; gap:4px;
  font-size:9.5px; letter-spacing:.3px; padding:1px 5px; border-radius:4px;
  border:1px solid var(--line); color:var(--muted); background:#fdfcfa;
}
.card .prov{
  margin-top:5px; font-size:10.5px; line-height:1.45; color:var(--ink-2);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.card .prov .tag{ color:var(--muted); }
.card .cert{
  position:absolute; top:6px; right:6px;
  font-size:9.5px; padding:1px 6px; border-radius:4px; border:1px solid;
  background:rgba(255,255,255,.94);
}
.cert-确证{ color:var(--ok); border-color:#e0cda9; }
.cert-存疑{ color:var(--doubt); border-color:#ecd3ac; }
.cert-空白{ color:var(--blank); border-color:#dfd9d1; }

/* 汉典补充图：金棕虚线 + 角标 */
.card.zdic{ border-style:dashed; border-color:#d8c49c; }
.card.zdic .src{ color:#8a6c37; border-color:#e3d3b2; background:#fdf9f0; }
.card.zdic::after{
  content:"漢典"; position:absolute; left:6px; top:6px;
  font-size:9px; letter-spacing:.5px; color:#8a6c37;
  background:rgba(253,249,240,.94); border:1px solid #e3d3b2; border-radius:4px; padding:0 4px;
}

/* 缺环 */
.gap{
  flex:1 1 auto; min-height:170px;
  border:1.5px dashed var(--gapc); border-radius:var(--radius-xs);
  background:repeating-linear-gradient(135deg,#faf8f5 0 9px,#f6f3ee 9px 18px);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:7px; padding:16px 12px; text-align:center;
}
.gap .g1{ font-family:var(--kai); font-size:21px; letter-spacing:4px; color:#a9a29a; }
.gap .g2{ font-size:11px; color:var(--muted); letter-spacing:.4px; }
.gap .g3{ font-size:11.5px; line-height:1.6; color:var(--ink-2); max-width:200px; }

/* 期级出处块 */
.evbox{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-xs); padding:8px 9px; }
.evbox .eh{ font-size:10.5px; color:var(--muted); letter-spacing:.4px; margin-bottom:5px; display:flex; justify-content:space-between; gap:6px; }
.evbox .ei{ font-size:11px; line-height:1.55; color:var(--ink-2); }
.evbox .ei + .ei{ margin-top:5px; padding-top:5px; border-top:1px dotted var(--line-2); }
.evbox .ei b{ color:var(--ink); font-weight:600; }
.evbox .ee{ color:var(--muted); }

/* --------------------------------------------------------------- 对比视图 */
.compare-wrap{ overflow-x:auto; }
.cmp-table{ border-collapse:separate; border-spacing:0; width:100%; min-width:760px; background:#fff;
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.cmp-table th,.cmp-table td{ border-bottom:1px solid var(--line-2); border-right:1px solid var(--line-2); padding:10px 12px; vertical-align:top; }
.cmp-table th:last-child,.cmp-table td:last-child{ border-right:0; }
.cmp-table tr:last-child td{ border-bottom:0; }
.cmp-table thead th{ background:var(--card-2); text-align:left; }
.cmp-table thead .cg{ font-family:var(--kai); font-size:24px; }
.cmp-table thead .cl{ font-size:11px; color:var(--muted); }
.cmp-table tbody th{ text-align:left; width:150px; background:var(--card-2); font-weight:600; }
.cmp-table tbody th .era{ display:block; font-size:11px; color:var(--muted); font-weight:400; }
.cmp-cell{ display:flex; flex-wrap:wrap; gap:6px; align-items:center; cursor:pointer; min-height:44px; }
.cmp-cell:hover .mini{ border-color:var(--gold); }
.mini{ width:40px; height:40px; border:1px solid var(--line); border-radius:6px; background:#fff; display:grid; place-items:center; padding:3px; }
.mini img{ width:100%; height:100%; object-fit:contain; }
.cmp-cell .more{ font-size:11px; color:var(--muted); }
.cmp-gap{ font-size:11.5px; color:var(--muted); font-family:var(--kai); letter-spacing:2px; }

/* ---------------------------------------------------------------- 抽屉 */
.drawer-mask{ position:fixed; inset:0; background:rgba(31,29,26,.34); backdrop-filter:blur(2px); z-index:80; }
.drawer{
  position:fixed; top:0; right:0; bottom:0; width:min(560px, 94vw); z-index:90;
  background:var(--paper); border-left:1px solid var(--line);
  box-shadow:var(--shadow-lg); overflow-y:auto;
  animation:slideIn .22s ease-out;
}
@keyframes slideIn{ from{ transform:translateX(24px); opacity:.4; } to{ transform:none; opacity:1; } }
.drawer-head{
  position:sticky; top:0; z-index:2;
  background:rgba(247,245,242,.95); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line); padding:15px 20px;
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
}
.drawer-head h2{ margin:0; font-size:16px; }
.drawer-head .sub{ font-size:11.5px; color:var(--muted); margin-top:2px; }
.x-btn{ width:30px; height:30px; border-radius:50%; border:1px solid var(--line); background:#fff; display:grid; place-items:center; }
.x-btn:hover{ border-color:var(--gold); color:var(--gold-deep); }
.drawer-body{ padding:18px 20px 40px; }
.dsec{ margin-bottom:20px; }
.dsec > h3{
  margin:0 0 9px; font-size:12px; letter-spacing:1px; color:var(--muted); font-weight:600;
  display:flex; align-items:center; gap:8px;
}
.dsec > h3::after{ content:""; flex:1 1 auto; height:1px; background:var(--line); }
.dbign{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm); padding:16px; display:grid; place-items:center; }
.dbign img{ max-height:330px; object-fit:contain; }
.dkv{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm); overflow:hidden; }
.dkv .row{ display:flex; gap:12px; padding:9px 13px; border-bottom:1px solid var(--line-2); font-size:12.5px; }
.dkv .row:last-child{ border-bottom:0; }
.dkv .k{ flex:none; width:88px; color:var(--muted); }
.dkv .v{ flex:1 1 auto; min-width:0; word-break:break-word; color:var(--ink-2); }
.dkv .v.mono{ font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:11.5px; }
.eitem{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm); padding:11px 13px; margin-bottom:9px; }
.eitem .et{ display:flex; align-items:center; gap:8px; margin-bottom:5px; flex-wrap:wrap; }
.eitem .ty{ font-size:10.5px; padding:1px 7px; border-radius:4px; background:var(--gold-soft); color:var(--gold-deep); border:1px solid #e6d9bf; }
.eitem .cite{ font-size:12.5px; line-height:1.7; color:var(--ink); }
.eitem .sr{ font-size:11px; color:var(--muted); margin-top:5px; }
.conf{ background:#fdf8ef; border:1px solid #e8d7bd; border-radius:var(--radius-sm); padding:11px 13px; margin-bottom:9px; }
.conf .ct{ font-size:12.5px; font-weight:600; color:#7d5a24; margin-bottom:4px; }
.conf .cd{ font-size:12px; color:#6d5a3d; line-height:1.7; }
.conf .cs{ font-size:11px; color:#9c8a6d; margin-top:5px; }
.note{ background:#fff; border:1px solid var(--line); border-left:3px solid var(--gold); border-radius:var(--radius-xs); padding:10px 13px; font-size:12.5px; color:var(--ink-2); line-height:1.7; }
.tagline{ font-size:11.5px; color:var(--muted); }
.btn-row{ display:flex; gap:9px; flex-wrap:wrap; }
.solid-btn{ height:34px; padding:0 15px; border-radius:999px; border:1px solid var(--gold); background:var(--gold); color:#fff; font-size:12.5px; }
.solid-btn:hover{ background:var(--gold-deep); border-color:var(--gold-deep); }
.line-btn{ height:34px; padding:0 15px; border-radius:999px; border:1px solid var(--line); background:#fff; color:var(--ink-2); font-size:12.5px; }
.line-btn:hover{ border-color:var(--gold); color:var(--gold-deep); }

/* ---------------------------------------------------------------- 页脚 */
.footer{ max-width:1680px; margin:26px auto 0; padding:0 24px 46px; }
.footer-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:24px 26px; }
.footer-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(280px, 1fr)); gap:24px; }
.footer h4{ margin:0 0 8px; font-size:12px; letter-spacing:1px; color:var(--gold-deep); }
.footer p{ margin:0 0 8px; font-size:12.5px; line-height:1.75; color:var(--ink-2); }
.footer ul{ margin:0; padding-left:17px; font-size:12.5px; line-height:1.8; color:var(--ink-2); }
.footer code{ font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:11.5px; background:var(--card-2); padding:1px 5px; border-radius:4px; }
.footer .danger{ background:#fdf8ef; border:1px solid #e8d7bd; border-radius:var(--radius-sm); padding:12px 14px; color:#7d5a24; }
.footer-bottom{ margin-top:20px; padding-top:14px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:11.5px; color:var(--muted); }

/* -------------------------------------------------------- toast / loading */
.toast{
  position:fixed; left:50%; bottom:32px; transform:translateX(-50%);
  background:rgba(31,29,26,.92); color:#fff; font-size:13px;
  padding:9px 18px; border-radius:999px; z-index:120;
  box-shadow:var(--shadow-lg);
}
.loading{
  position:fixed; inset:0; z-index:150; display:grid; place-content:center; justify-items:center; gap:14px;
  background:var(--paper); color:var(--muted); font-size:13px; letter-spacing:.5px;
}
.loading span{
  width:34px; height:34px; border-radius:50%;
  border:2px solid var(--line); border-top-color:var(--gold);
  animation:spin .8s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ------------------------------------------------------------- 响应式 */
@media (max-width:1180px){
  .axis, .timeline{ grid-template-columns:repeat(var(--tl-n), 240px); }
}
@media (max-width:860px){
  .topbar-inner{ height:auto; padding:10px 14px; flex-wrap:wrap; gap:10px; }
  .search{ order:3; flex:1 1 100%; max-width:none; }
  .brand-text i{ display:none; }
  .topbar-actions .ghost-btn span{ display:none; }
  main{ padding:14px 14px 8px; }
  .hero{ padding:16px; }
  .hero-glyph{ font-size:60px; }
  .hero-stats .st{ padding-right:14px; margin-right:14px; }
  .footer{ padding:0 14px 34px; }
}

/* ------------------------------------------------------------- 打印 / 导出 */
@media print{
  @page{ size:A4 landscape; margin:10mm; }
  body{ background:#fff; font-size:11px; }
  .topbar,.toolbar,.chips-wrap,.chips,.drawer,.drawer-mask,.toast,.loading,.footer .btn-row{ display:none !important; }
  .hero{ box-shadow:none; border-color:#ccc; background:#fff; padding:10px 12px; }
  .hero-glyph{ font-size:52px; box-shadow:none; }
  .hero-stats{ padding-top:8px; margin-top:10px; }
  main{ max-width:none; padding:0; }
  .timeline{ display:block; overflow:visible !important; }
  .col{
    display:grid; grid-template-columns:150px 1fr; gap:8px;
    border-top:1px solid #ddd; padding:6px 0; break-inside:avoid;
  }
  .col-head{ border:0; background:#fff; padding:0; border-radius:0; }
  .col-head .bar{ display:none; }
  .col-body{ border:0; background:#fff; padding:0; flex-direction:row; flex-wrap:wrap; gap:6px; }
  .subgroup{ flex-direction:row; align-items:center; gap:6px; }
  .subgroup > .sh{ flex:none; }
  .subgroup > .sh::after{ display:none; }
  .cards{ display:flex; flex-wrap:wrap; gap:5px; }
  .card{ width:64px; box-shadow:none !important; transform:none !important; }
  .card .thumb{ padding:3px; }
  .card .bd,.card::after{ display:none; }
  .card .cert{ font-size:8px; padding:0 3px; top:2px; right:2px; }
  .gap{ min-height:64px; border-color:#bbb; background:#fafafa; }
  .gap .g3{ display:none; }
  .evbox{ display:none; }
  .footer-card{ box-shadow:none; border-color:#ccc; page-break-before:always; }
  .compare-wrap{ overflow:visible; }
  .cmp-table{ min-width:0; box-shadow:none; }
}