/* 底模展厅 · 样式表
 * 从原单文件原型中拆出，逻辑未改动，仅做文件分离 */

:root{
  --ink:#0e2015;--ink2:#16301f;--ink3:#1e3d28;--ink4:#275034;
  --paper:#f2ecd9;--paper-dim:#cdc6ab;--paper-dim2:#8f9a8c;
  --ember:#c94708;--star:#e8c46a;
  --line:rgba(242,236,217,.14);--line2:rgba(242,236,217,.28);
  --serif:"Noto Serif SC","STZhongsong","SimSun",serif;
  --sans:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
button,input,select,textarea{font-family:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
:focus-visible{outline:3px solid var(--star);outline-offset:2px;border-radius:6px}
a{color:var(--star)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--ink4);border-radius:99px}
::-webkit-scrollbar-track{background:transparent}

/* ── 顶栏 ── */
.gallery-commandbar{position:relative;z-index:20;display:flex;align-items:center;gap:12px;
  padding:10px 22px;background:rgba(14,32,21,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);flex-wrap:wrap}
.gallery-brand{min-width:0;display:inline-flex;align-items:center;gap:9px;color:var(--paper);text-decoration:none;white-space:nowrap}
.gallery-brand__mark{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;overflow:hidden;
  border:1px solid rgba(255,255,255,.24);border-radius:10px;background:#fff;box-shadow:0 5px 18px rgba(0,0,0,.22)}
.gallery-brand__mark img{width:34px;height:34px;display:block;object-fit:contain}
.gallery-brand__copy{min-width:0;display:grid;gap:1px;line-height:1.1}
.gallery-brand__copy b{font-size:10px;letter-spacing:.12em;color:var(--star);font-weight:700}
.gallery-brand__copy span{overflow:hidden;text-overflow:ellipsis;font-family:var(--serif);font-size:15px;letter-spacing:.06em}
.gallery-home{min-height:36px;padding:0 12px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line2);
  border-radius:9px;color:var(--paper-dim);background:var(--ink2);font-size:12.5px;text-decoration:none;transition:.15s}
.gallery-home svg{width:15px;height:15px;flex:0 0 15px}
.gallery-home:hover{border-color:var(--star);color:var(--star);background:var(--ink3)}
.tabs{display:flex;gap:4px;background:var(--ink2);padding:4px;border-radius:11px;border:1px solid var(--line)}
.tabs button{padding:7px 15px;border-radius:8px;font-size:13px;color:var(--paper-dim);transition:.15s;white-space:nowrap}
.tabs button:hover{color:var(--paper)}
.tabs button[aria-selected="true"]{background:var(--ink4);color:var(--paper);box-shadow:0 1px 0 rgba(0,0,0,.3)}
.spacer{margin-left:auto}
.searchbox{position:relative}
.searchbox input{width:210px;padding:8px 12px 8px 32px;background:var(--ink2);border:1px solid var(--line);
  border-radius:9px;font-size:13px;transition:.15s}
.searchbox input::placeholder{color:var(--paper-dim2)}
.searchbox input:focus{border-color:var(--star);width:250px;outline:none}
.searchbox svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);opacity:.5;pointer-events:none}
.ghost{padding:8px 14px;border:1px solid var(--line);border-radius:9px;font-size:12.5px;color:var(--paper-dim);transition:.15s}
.ghost:hover{border-color:var(--star);color:var(--star)}
@media(max-width:980px){.gallery-brand__copy b{display:none}.gallery-brand__copy span{font-size:14px}.gallery-home{padding:0 10px}}
@media(max-width:760px){.searchbox input{width:120px}.searchbox input:focus{width:140px}.gallery-commandbar{padding:8px 14px;gap:8px}
  .gallery-brand__copy{display:none}.gallery-home{width:36px;padding:0;justify-content:center}.gallery-home span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}

/* ── 展厅导读 ── */
.gallery-overview{margin:14px 22px 0;padding:16px 18px;display:grid;
  grid-template-columns:minmax(270px,1fr) minmax(240px,.82fr) minmax(360px,1.24fr);gap:14px 16px;
  border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(120deg,rgba(30,61,40,.72),rgba(14,32,21,.72));
  box-shadow:0 12px 30px rgba(0,0,0,.12)}
.overview-intro{padding:2px 16px 2px 2px;border-right:1px solid var(--line)}
.overview-kicker{display:block;margin-bottom:7px;color:var(--star);font-size:9.5px;font-weight:700;letter-spacing:.17em}
.overview-intro h1{font-family:var(--serif);font-size:22px;line-height:1.35;font-weight:650;letter-spacing:.025em;color:var(--paper)}
.overview-intro p{max-width:430px;margin-top:7px;color:var(--paper-dim);font-size:12.5px;line-height:1.65}
.overview-track{padding:1px 4px}
.overview-track>span{color:var(--paper-dim2);font-size:10px;font-weight:700;letter-spacing:.14em}
.overview-track h2{margin-top:5px;color:var(--paper);font-family:var(--serif);font-size:16px;line-height:1.3;font-weight:600}
.overview-track h2 b{color:var(--star);font-size:20px;font-weight:650}
.overview-track p{margin-top:5px;color:var(--paper-dim);font-size:12px;line-height:1.55}
.overview-track small{display:block;margin-top:5px;color:var(--paper-dim2);font-size:10.5px;line-height:1.5}
.overview-track--product{padding-left:16px;border-left:1px solid var(--line)}
.viewer-guide{grid-column:1/-1;display:grid;grid-template-columns:auto repeat(6,minmax(0,1fr));gap:6px;
  padding-top:11px;border-top:1px solid var(--line);align-items:center}
.viewer-guide>span{min-width:0;color:var(--paper-dim2);font-size:10.5px;line-height:1.35;white-space:nowrap}
.viewer-guide>span b{color:var(--paper);font-weight:700}
.viewer-guide .viewer-guide__title{padding-right:10px;color:var(--star);font-size:10px;font-weight:750;letter-spacing:.12em}

@media(max-width:1180px){.gallery-overview{grid-template-columns:1fr 1fr}.overview-intro{grid-column:1/-1;padding:0 0 12px;border-right:0;border-bottom:1px solid var(--line)}
  .viewer-guide{grid-template-columns:auto repeat(3,minmax(0,1fr));row-gap:8px}.viewer-guide .viewer-guide__title{grid-row:1/3}}
@media(max-width:760px){.gallery-overview{margin:10px 14px 0;padding:14px;grid-template-columns:1fr;gap:12px}.overview-intro{grid-column:auto}.overview-intro h1{font-size:19px}
  .overview-track--product{padding:12px 4px 0;border-left:0;border-top:1px solid var(--line)}.viewer-guide{grid-template-columns:repeat(2,minmax(0,1fr))}.viewer-guide .viewer-guide__title{grid-column:1/-1;grid-row:auto}}

/* ── 筛选条 ── */
.filter-panel{margin:10px 22px 0;padding:12px 14px 10px;border:1px solid var(--line);border-radius:var(--r);background:rgba(22,48,31,.44)}
.filter-heading{display:flex;align-items:end;gap:10px;padding:0 2px 9px;border-bottom:1px solid var(--line)}
.filter-heading>div{display:flex;align-items:baseline;gap:9px}
.filter-heading>div>span{color:var(--paper-dim2);font-size:9.5px;font-weight:700;letter-spacing:.16em}
.filter-heading h2{font-family:var(--serif);font-size:15px;line-height:1.2;font-weight:600}
.filter-heading p{color:var(--paper-dim2);font-size:10.5px}
.filters{display:flex;gap:6px;padding:9px 2px 0;flex-wrap:wrap;align-items:center}
.frow{display:flex;gap:6px;flex-wrap:wrap;align-items:center;width:100%}
.frow-label{width:36px;flex:0 0 36px;font-size:10px;letter-spacing:.12em;color:var(--paper-dim2)}
.chip.major{border-color:var(--line2)}
.chip.major[aria-pressed="true"]{background:var(--ink4);border-color:var(--star);color:var(--star)}
.chip{padding:5px 12px;border:1px solid var(--line);border-radius:99px;font-size:12px;color:var(--paper-dim);transition:.15s}
.chip:hover{border-color:var(--line2);color:var(--paper)}
.chip[aria-pressed="true"]{background:var(--ember);border-color:var(--ember);color:#fff}
.chip.el[aria-pressed="true"]{background:var(--star);border-color:var(--star);color:#1a2a1e}
.vsep{width:1px;height:20px;background:var(--line);margin:0 4px}
.count{font-size:11px;color:var(--paper-dim2);margin-left:auto;white-space:nowrap}
@media(max-width:760px){.filter-panel{margin:8px 14px 0;padding:11px 10px 9px}.filter-heading{align-items:center}.filter-heading p{display:none}.filters{padding-top:8px}
  .frow{gap:5px}.frow-label{width:31px;flex-basis:31px}.chip{padding:5px 10px;font-size:11.5px}}

/* ── 网格 ── */
main{padding:16px 22px 60px}
@media(max-width:760px){main{padding:14px 14px 48px}}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}
.cardwrap{background:var(--ink2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .18s cubic-bezier(.2,.8,.3,1),border-color .18s,box-shadow .18s;
  display:flex;flex-direction:column;align-self:start}
.cardwrap:hover{transform:translateY(-4px);border-color:var(--star);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.card{position:relative;text-align:left;display:block;width:100%;color:inherit}
.card .shot{position:relative;aspect-ratio:1/1;background:
  radial-gradient(120% 90% at 50% 15%,#24422e 0%,#132a1c 62%,#0d1d14 100%);overflow:hidden}
.card .shot img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .45s}
.card .shot img.ready{opacity:1}
.card .shot .spin{position:absolute;inset:0;display:grid;place-items:center}
.card .shot .spin i{width:26px;height:26px;border:2px solid var(--line2);border-top-color:var(--star);
  border-radius:50%;animation:sp .8s linear infinite;display:block}
@keyframes sp{to{transform:rotate(360deg)}}
.card .meta{padding:11px 13px 13px}
.card .meta b{font-family:var(--serif);font-size:14.5px;font-weight:600;display:block;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .meta span{display:block;margin-top:4px;font-size:11.5px;color:var(--paper-dim2);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .tagrow{display:flex;gap:5px;margin-top:8px;flex-wrap:wrap}
.tag{font-size:10.5px;padding:2px 8px;border-radius:99px;background:var(--ink4);color:var(--paper-dim)}
.tag.el{background:rgba(232,196,106,.16);color:var(--star);font-weight:600}
.tag.arch{background:transparent;border:1px solid var(--line);color:var(--paper-dim2)}
.tag.major{background:transparent;border:1px dashed var(--line2);color:var(--paper-dim2)}
.card .hint{position:absolute;right:9px;bottom:9px;font-size:10.5px;padding:3px 9px;border-radius:99px;
  background:rgba(14,32,21,.75);backdrop-filter:blur(6px);opacity:0;transition:.2s;border:1px solid var(--line2)}
.cardwrap:hover .hint{opacity:1}
.empty{padding:64px 20px;text-align:center;color:var(--paper-dim2);font-size:13.5px;line-height:2}

/* ── 详情 overlay ── */
.overlay{position:fixed;inset:0;z-index:60;background:rgba(6,15,10,.92);backdrop-filter:blur(10px);
  display:grid;grid-template-columns:1fr minmax(280px,350px);opacity:0;pointer-events:none;transition:opacity .22s}
.overlay.on{opacity:1;pointer-events:auto}
@media(max-width:900px){.overlay{grid-template-columns:1fr;grid-template-rows:1fr auto}}
.stage{position:relative;min-width:0;min-height:0}
.stage canvas{display:block;width:100%;height:100%;touch-action:none}
.stage .load{position:absolute;inset:0;display:grid;place-items:center;gap:12px;
  align-content:center;color:var(--paper-dim);font-size:12.5px;pointer-events:none;transition:opacity .3s}
.stage .load i{width:34px;height:34px;border:2px solid var(--line2);border-top-color:var(--ember);
  border-radius:50%;animation:sp .8s linear infinite}
.stage .err{position:absolute;inset:0;display:grid;place-items:center;padding:30px;text-align:center;
  color:#ff9b7a;font-size:13px;line-height:2}
.closeX{position:absolute;top:14px;right:14px;z-index:4;width:38px;height:38px;border-radius:11px;
  background:rgba(14,32,21,.7);border:1px solid var(--line);font-size:19px;line-height:1;
  display:grid;place-items:center;backdrop-filter:blur(8px)}
.closeX:hover{border-color:var(--ember);color:var(--ember)}

/* 工具条 */
.toolbar{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:3;
  display:flex;gap:5px;padding:6px;border-radius:13px;max-width:calc(100% - 28px);
  background:rgba(14,32,21,.8);border:1px solid var(--line);backdrop-filter:blur(12px);
  box-shadow:0 8px 26px rgba(0,0,0,.4);flex-wrap:wrap;justify-content:center}
.toolbar button{padding:7px 12px;border-radius:9px;font-size:12px;color:var(--paper-dim);transition:.15s;white-space:nowrap}
.toolbar button:hover{background:var(--ink3);color:var(--paper)}
.toolbar button[aria-pressed="true"]{background:var(--ember);color:#fff}
.toolbar .sep{width:1px;background:var(--line);margin:4px 3px}
@media(max-width:900px){.toolbar{bottom:10px;font-size:11px}.toolbar button{padding:6px 9px}}

/* 太阳面板 */
.sunpanel{position:absolute;left:18px;bottom:78px;z-index:4;width:266px;
  padding:13px 15px 11px;border-radius:13px;background:rgba(14,32,21,.88);
  border:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.sunrow{display:grid;grid-template-columns:32px 1fr 60px;align-items:center;gap:9px;margin-bottom:9px}
.sunrow label{font-size:11.5px;color:var(--paper-dim2);letter-spacing:.06em}
.sunrow output{font-size:11.5px;color:var(--star);text-align:right;font-variant-numeric:tabular-nums}
.sunpanel input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;
  border-radius:99px;background:var(--ink4);outline:none}
.sunpanel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;
  width:15px;height:15px;border-radius:50%;background:var(--star);cursor:pointer;
  border:2px solid var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.5)}
.sunpanel input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;
  background:var(--star);cursor:pointer;border:2px solid var(--ink)}
.sunhint{margin-top:4px;font-size:11px;line-height:1.75;color:var(--paper-dim2)}
@media(max-width:900px){.sunpanel{left:10px;right:10px;width:auto;bottom:64px}}
/* 开合面板：和太阳面板同一套样式，但错开位置，两个可以同时开着 */
.openpanel{bottom:auto;top:70px}
@media(max-width:900px){.openpanel{top:58px;bottom:auto}}

/* 对照面板 */
.pairpanel{position:absolute;right:18px;bottom:78px;z-index:4;width:246px;
  padding:12px 13px 10px;border-radius:13px;background:rgba(14,32,21,.88);
  border:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.pairhead{font-size:10.5px;letter-spacing:.18em;color:var(--paper-dim2);margin-bottom:9px}
.pairlist{display:flex;flex-direction:column;gap:5px;max-height:190px;overflow-y:auto}
.pairlist button{text-align:left;padding:7px 10px;border-radius:9px;border:1px solid var(--line);
  font-size:12px;line-height:1.5;color:var(--paper-dim);transition:.15s;width:100%}
.pairlist button:hover{border-color:var(--star);color:var(--paper)}
.pairlist button[aria-pressed="true"]{background:var(--ember);border-color:var(--ember);color:#fff}
.pairlist button span{display:block;font-size:10.5px;color:var(--paper-dim2);margin-top:2px}
.pairlist button[aria-pressed="true"] span{color:rgba(255,255,255,.8)}
.pairlist .none{font-size:11.5px;color:var(--paper-dim2);line-height:1.9;padding:2px}
.pairhint{margin-top:8px;font-size:11px;line-height:1.7;color:var(--paper-dim2)}
/* 对照时信息面板里并排列出两位建筑师 */
.vs{display:grid;grid-template-columns:1fr auto 1fr;gap:9px;align-items:start;
  border-left:2px solid var(--ember);padding:3px 0 3px 12px}
.vs b{font-family:var(--serif);font-size:13px;display:block;line-height:1.5}
.vs em{font-style:normal;font-size:11.5px;color:var(--paper-dim);display:block;margin-top:4px;line-height:1.8}
.vs .mid{color:var(--paper-dim2);font-size:11px;padding-top:2px}
.vs .side{min-width:0}
.vs .side i{font-style:normal;font-size:10px;letter-spacing:.14em;color:var(--star);display:block;margin-bottom:3px}
@media(max-width:900px){.pairpanel{right:10px;left:10px;width:auto;bottom:64px}.pairlist{max-height:132px}}

/* 信息面板 */
.panel{border-left:1px solid var(--line);background:rgba(14,32,21,.6);padding:26px 24px;
  overflow-y:auto;display:flex;flex-direction:column;gap:16px}
@media(max-width:900px){.panel{border-left:none;border-top:1px solid var(--line);max-height:44vh;padding:18px 16px;gap:13px}}
.panel h2{font-family:var(--serif);font-size:21px;line-height:1.4;font-weight:600}
.panel .by{font-size:12.5px;color:var(--star);margin-top:5px}
.panel .chips{display:flex;gap:6px;margin-top:9px;flex-wrap:wrap}
.panel .desc{font-size:13px;line-height:2.05;color:var(--paper-dim)}
.tect{border-left:2px solid var(--ember);padding:2px 0 2px 13px}
.tect b{font-family:var(--serif);font-size:14.5px;display:block}
.tect span{display:block;margin-top:5px;font-size:12.5px;line-height:1.95;color:var(--paper-dim)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:12.5px}
.kv dt{color:var(--paper-dim2)}
.kv dd{color:var(--paper);font-variant-numeric:tabular-nums}
.panel .sec{font-size:10.5px;letter-spacing:.2em;color:var(--paper-dim2);
  border-top:1px solid var(--line);padding-top:14px}
.panel .acts{display:flex;gap:8px;flex-wrap:wrap;padding-top:2px;padding-bottom:6px}
.panel .acts a,.panel .acts button{padding:9px 15px;border:1px solid var(--line);border-radius:10px;
  font-size:12.5px;color:var(--paper-dim);text-decoration:none;transition:.15s}
.panel .acts a:hover,.panel .acts button:hover{border-color:var(--star);color:var(--star)}
.nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:64px;
  border-radius:12px;background:rgba(14,32,21,.6);border:1px solid var(--line);font-size:20px;
  backdrop-filter:blur(8px);color:var(--paper-dim)}
.nav:hover{color:var(--star);border-color:var(--star)}
.nav.prev{left:14px}.nav.next{right:14px}
@media(max-width:900px){.nav{width:34px;height:52px}}

/* ── 投稿页 ── */
.form{max-width:640px;margin:8px auto 0;display:flex;flex-direction:column;gap:16px}
.drop{border:1.6px dashed var(--line2);border-radius:var(--r);padding:36px 20px;text-align:center;
  cursor:pointer;transition:.15s;font-size:13px;color:var(--paper-dim);line-height:2;display:block}
.drop:hover,.drop.hot{border-color:var(--ember);background:rgba(201,71,8,.07);color:var(--paper)}
.drop b{display:block;font-family:var(--serif);font-size:16px;color:var(--paper);margin-bottom:6px}
.drop input{display:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.row2{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:11.5px;letter-spacing:.14em;color:var(--paper-dim2)}
.field input,.field textarea,.field select{background:var(--ink2);border:1px solid var(--line);
  border-radius:10px;padding:10px 13px;font-size:13.5px;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--star);outline:none}
.field textarea{resize:vertical;min-height:88px;line-height:1.9}
.submit{padding:13px;border-radius:11px;background:var(--ember);color:#fff;font-size:14px;
  font-family:var(--serif);letter-spacing:.08em;transition:.15s}
.submit:hover{filter:brightness(1.12)}
.submit:disabled{opacity:.45;cursor:not-allowed;filter:none}
.note{font-size:12px;color:var(--paper-dim2);line-height:2;background:rgba(232,196,106,.06);
  border:1px solid rgba(232,196,106,.24);border-radius:11px;padding:12px 15px}
.note b{color:var(--star)}
.preview{display:none;gap:14px;align-items:center;background:var(--ink2);border:1px solid var(--line);
  border-radius:var(--r);padding:12px}
.preview.on{display:flex}
.preview img{width:88px;height:88px;border-radius:10px;object-fit:cover;background:var(--ink3);flex:none}
.preview div{min-width:0;font-size:12.5px;line-height:1.9;color:var(--paper-dim)}
.preview b{display:block;color:var(--paper);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:90;
  padding:12px 22px;border-radius:11px;background:var(--ink3);border:1px solid var(--star);
  font-size:13px;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ── 2026-08 · PUXIN 白模档案柜 ─────────────────────────────── */
:root{
  --ink:#f5f6f8;
  --ink2:#ffffff;
  --ink3:#eef3f6;
  --ink4:#e8f5fb;
  --paper:#0c1827;
  --paper-dim:#596775;
  --paper-dim2:#7b8793;
  --ember:#0a84ff;
  --star:#0e92c5;
  --line:rgba(60,60,67,.14);
  --line2:rgba(12,24,39,.22);
  --serif:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --r:16px;
  --gallery-shadow:0 1px 2px rgba(15,23,42,.04),0 16px 38px rgba(15,23,42,.07);
  --gallery-stage:#0d2130;
  --gallery-cyan:#21c7f3;
  --gallery-violet:#7450c5;
}

html{scroll-behavior:smooth}
body.gallery-page{
  display:block;
  min-height:100%;
  overflow-x:hidden;
  overflow-y:auto;
  background-color:#f5f6f8;
  background-image:
    linear-gradient(rgba(60,60,67,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(60,60,67,.035) 1px,transparent 1px);
  background-size:28px 28px;
  color:var(--paper);
}

.gallery-main{
  width:min(100%,1540px);
  margin:0 auto;
  padding:14px 18px 54px;
  display:grid;
  gap:10px;
}

/* 首屏：深色模型检查舱是整页唯一的高对比区域。 */
.gallery-overview{
  position:relative;
  isolation:isolate;
  min-width:0;
  margin:0;
  padding:clamp(20px,2vw,28px);
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(350px,.92fr);
  grid-template-areas:
    "intro specimen"
    "majors course"
    "guide guide";
  gap:12px 16px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:24px;
  color:#f4f8fb;
  background:
    radial-gradient(circle at 78% 18%,rgba(33,199,243,.18),transparent 26%),
    linear-gradient(118deg,#081521 0%,#102a3a 63%,#173849 100%);
  box-shadow:0 20px 46px rgba(15,23,42,.14);
}
.gallery-overview::before{
  content:"";
  position:absolute;
  z-index:-2;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;
  mask-image:linear-gradient(90deg,transparent 8%,#000 48%,#000 100%);
}
.gallery-overview::after{
  content:"MODEL / REGISTRY";
  position:absolute;
  z-index:-1;
  right:30px;
  bottom:-18px;
  color:rgba(255,255,255,.035);
  font:900 clamp(48px,7vw,112px)/1 var(--mono);
  letter-spacing:-.08em;
  white-space:nowrap;
}
.overview-intro{grid-area:intro;min-width:0;padding:0;border:0}
.overview-kicker{
  margin-bottom:8px;
  color:#7de2fb;
  font:800 10px/1.2 var(--mono);
  letter-spacing:.16em;
}
.overview-intro h1{
  max-width:720px;
  color:#ffffff;
  font:900 clamp(29px,2.8vw,43px)/1.08 var(--sans);
  letter-spacing:-.045em;
}
.overview-intro p{
  max-width:700px;
  margin-top:10px;
  color:#c8d4dc;
  font-size:13px;
  font-weight:550;
  line-height:1.62;
}
.overview-stats{
  max-width:620px;
  margin:12px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
  list-style:none;
}
.overview-stats li{
  min-width:0;
  padding:8px 10px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:baseline;
  gap:7px;
  border:1px solid rgba(255,255,255,.13);
  border-radius:10px;
  background:rgba(5,16,25,.24);
  backdrop-filter:blur(7px);
}
.overview-stats strong{color:#ffffff;font:900 18px/1 var(--mono)}
.overview-stats span{overflow:hidden;color:#aebdc7;font-size:9.5px;font-weight:720;white-space:nowrap}

.overview-specimen{
  grid-area:specimen;
  position:relative;
  min-height:168px;
  overflow:hidden;
  border:1px solid rgba(125,226,251,.28);
  border-radius:16px;
  background:
    linear-gradient(rgba(125,226,251,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,226,251,.07) 1px,transparent 1px),
    radial-gradient(circle at 62% 42%,rgba(33,199,243,.12),transparent 45%),
    rgba(3,14,22,.34);
  background-size:22px 22px,22px 22px,auto,auto;
  perspective:700px;
}
.specimen-label,.specimen-caption{
  position:absolute;
  z-index:4;
  color:#7de2fb;
  font:750 9px/1 var(--mono);
  letter-spacing:.12em;
}
.specimen-label{left:14px;top:13px}
.specimen-caption{right:14px;bottom:12px;color:#9aabb7}
.specimen-axis{position:absolute;z-index:1;left:50%;top:52%;height:1px;transform-origin:left center}
.specimen-axis::after{content:"";position:absolute;right:-3px;top:-2px;width:5px;height:5px;border-radius:50%;background:currentColor}
.specimen-axis--x{width:43%;color:#7de2fb;background:currentColor;transform:rotate(-18deg)}
.specimen-axis--y{width:35%;color:#d1a84b;background:currentColor;transform:rotate(205deg)}
.specimen-axis--z{width:32%;color:#a994ef;background:currentColor;transform:rotate(-90deg)}
.specimen-plane{
  position:absolute;
  z-index:2;
  left:50%;
  top:50%;
  width:42%;
  height:38%;
  border:1px solid rgba(125,226,251,.66);
  background:linear-gradient(135deg,rgba(255,255,255,.13),rgba(33,199,243,.035));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.035);
  transform-style:preserve-3d;
}
.specimen-plane--a{transform:translate(-53%,-50%) rotateX(64deg) rotateZ(-31deg)}
.specimen-plane--b{width:33%;height:44%;transform:translate(-8%,-68%) rotateY(58deg) rotateZ(7deg);border-color:rgba(169,148,239,.66)}
.specimen-plane--c{width:26%;height:30%;transform:translate(-88%,-18%) rotateY(-52deg) rotateZ(-8deg);border-color:rgba(209,168,75,.66)}
.specimen-node{position:absolute;z-index:3;width:9px;height:9px;border:2px solid #fff;border-radius:50%;background:#21c7f3;box-shadow:0 0 0 6px rgba(33,199,243,.08)}
.specimen-node--a{left:31%;top:34%}.specimen-node--b{left:68%;top:25%;background:#a994ef}.specimen-node--c{left:56%;top:69%;background:#d1a84b}

.overview-paths{grid-area:paths;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.overview-track{
  min-width:0;
  padding:12px 13px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  background:rgba(255,255,255,.045);
}
.overview-track--product{padding-left:13px;border-left:1px solid rgba(255,255,255,.12)}
.overview-track--cross{padding-left:13px;border-left:1px solid rgba(255,255,255,.12)}
.overview-track>span{color:#8fdff2;font:750 9px/1 var(--mono);letter-spacing:.1em}
.overview-track h2{margin-top:6px;color:#fff;font:850 14px/1.25 var(--sans)}
.overview-track h2 b{color:#7de2fb;font:900 18px/1 var(--mono)}
.overview-track p{margin-top:5px;color:#afbdc6;font-size:10.5px;line-height:1.55}
.overview-majors{
  grid-area:majors;
  min-width:0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:6px;
}
.overview-majors>span{
  min-width:0;
  padding:8px 9px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"name count" "meta count";
  align-items:center;
  gap:2px 8px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  background:rgba(255,255,255,.045);
}
.overview-majors b{grid-area:name;overflow:hidden;color:#d7e3e9;font-size:10px;white-space:nowrap;text-overflow:ellipsis}
.overview-majors strong{grid-area:count;color:#7de2fb;font:900 16px/1 var(--mono)}
.overview-majors small{grid-area:meta;color:#8295a1;font-size:8.5px;white-space:nowrap}
.overview-majors i{font-style:normal}
.overview-course{
  grid-area:course;
  position:relative;
  min-width:0;
  padding:11px 104px 11px 13px;
  display:grid;
  align-content:center;
  gap:3px;
  border:1px solid rgba(125,226,251,.28);
  border-radius:12px;
  color:#fff;
  text-decoration:none;
  background:linear-gradient(110deg,rgba(33,199,243,.14),rgba(169,148,239,.08));
  transition:border-color .16s,background .16s;
}
.overview-course:hover{border-color:#7de2fb;background:linear-gradient(110deg,rgba(33,199,243,.22),rgba(169,148,239,.12))}
.overview-course span{color:#7de2fb;font:800 8.5px/1.2 var(--mono);letter-spacing:.1em}
.overview-course strong{font-size:14px;line-height:1.3}
.overview-course small{overflow:hidden;color:#aebdc7;font-size:9.5px;white-space:nowrap;text-overflow:ellipsis}
.overview-course>b{position:absolute;right:13px;top:50%;color:#fff;font-size:10px;transform:translateY(-50%)}
.viewer-guide{
  grid-area:guide;
  grid-column:auto;
  padding:8px 11px;
  display:grid;
  grid-template-columns:minmax(100px,.7fr) repeat(4,minmax(0,1fr));
  align-items:center;
  gap:6px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  background:rgba(255,255,255,.045);
}
.viewer-guide>span{color:#afbdc6;font-size:10px;line-height:1.35;white-space:normal}
.viewer-guide>span b{display:inline-grid;width:19px;height:19px;margin-right:4px;place-items:center;border-radius:5px;color:#061521;background:#7de2fb;font-weight:900}
.viewer-guide .viewer-guide__title{grid-column:auto;padding:0;border:0;color:#8fdff2;font:750 9px/1 var(--mono);letter-spacing:.12em}

/* 目录操作带 */
.gallery-commandbar{
  min-width:0;
  margin:0;
  padding:8px;
  display:flex;
  flex-wrap:nowrap;
  border:1px solid var(--line);
  border-radius:16px;
  color:var(--paper);
  background:rgba(255,255,255,.94);
  box-shadow:var(--gallery-shadow);
  backdrop-filter:blur(15px);
}
.commandbar-title{min-width:208px;padding:0 12px;display:grid;align-content:center;gap:3px;border-right:1px solid var(--line)}
.commandbar-title span{color:#0e92c5;font:800 8.5px/1 var(--mono);letter-spacing:.12em}
.commandbar-title strong{color:#0c1827;font-size:13px;font-weight:850}
.tabs{flex:none;gap:3px;padding:3px;border-color:var(--line);border-radius:10px;background:#f2f5f7}
.tabs button{min-height:34px;padding:0 14px;border-radius:8px;color:#667482;font-size:11.5px;font-weight:760}
.tabs button:hover{color:#0c1827;background:#fff}
.tabs button[aria-selected="true"]{color:#fff;background:#0c1827;box-shadow:0 4px 10px rgba(12,24,39,.12)}
.searchbox svg{color:#6a7885;opacity:1}
.searchbox input{width:280px;min-height:40px;padding:0 13px 0 33px;border-color:var(--line);border-radius:10px;color:#0c1827;background:#f7f9fa;font-size:12px}
.searchbox input::placeholder{color:#87939e}
.searchbox input:focus{width:320px;border-color:#0e92c5;background:#fff;box-shadow:0 0 0 3px rgba(14,146,197,.10)}
.ghost{min-height:40px;padding:0 13px;border-color:var(--line);border-radius:10px;color:#63717e;background:#fff;font-size:11px;font-weight:760}
.ghost:hover{border-color:#0e92c5;color:#0e92c5;background:#f3fbfe}
body[data-gallery-view="upload"] .gallery-commandbar .searchbox,
body[data-gallery-view="upload"] .gallery-commandbar .ghost{display:none}

/* 筛选器 */
.filter-panel{
  min-width:0;
  margin:0;
  padding:13px 14px 11px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--gallery-shadow);
}
.filter-heading{padding:0 2px 10px;border-bottom-color:var(--line)}
.filter-heading>div>span{color:#0e92c5;font:800 8.5px/1 var(--mono);letter-spacing:.12em}
.filter-heading h2{color:#0c1827;font:860 15px/1.2 var(--sans)}
.filter-heading p{color:#77838f;font-size:10px}
.filters{gap:6px;padding:10px 2px 0}
.frow{gap:6px}
.frow-label{color:#73808c;font:750 9px/1 var(--mono);letter-spacing:.1em}
.chip{
  min-height:28px;
  padding:0 11px;
  border-color:var(--line);
  border-radius:8px;
  color:#5d6b78;
  background:#fff;
  font-size:10.5px;
  font-weight:720;
}
.chip:hover{border-color:rgba(14,146,197,.38);color:#0c1827;background:#f6fbfd}
.chip.major{border-color:var(--line);background:#f7f9fa}
.chip.major[aria-pressed="true"]{border-color:#0c1827;color:#fff;background:#0c1827;box-shadow:0 4px 10px rgba(12,24,39,.10)}
.chip[aria-pressed="true"]{border-color:#0e92c5;color:#fff;background:#0e92c5}
.chip.el[aria-pressed="true"]{border-color:var(--gallery-violet);color:#fff;background:var(--gallery-violet)}
.count{padding:5px 8px;border:1px solid var(--line);border-radius:7px;color:#566572;background:#f7f9fa;font:750 9px/1 var(--mono)}

/* 白模档案卡 */
#view-gallery{min-width:0;padding-top:2px}
.grid{gap:10px;grid-template-columns:repeat(auto-fill,minmax(238px,1fr))}
.cardwrap{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-top:3px solid #0e92c5;
  border-radius:14px;
  background:#fff;
  box-shadow:none;
}
.cardwrap:hover{border-color:rgba(14,146,197,.48);box-shadow:0 14px 28px rgba(15,23,42,.09);transform:translateY(-2px)}
.card{color:#0c1827}
.card .shot{
  aspect-ratio:4/3;
  background:
    linear-gradient(rgba(125,226,251,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,226,251,.055) 1px,transparent 1px),
    radial-gradient(circle at 50% 28%,#17384a 0%,#102a39 52%,#0b1d29 100%);
  background-size:22px 22px,22px 22px,auto;
}
.card .shot::before,.card .shot::after{content:"";position:absolute;z-index:3;pointer-events:none}
.card .shot::before{left:50%;top:10px;bottom:10px;width:1px;background:linear-gradient(transparent,rgba(125,226,251,.18),transparent)}
.card .shot::after{left:10px;right:10px;top:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(125,226,251,.18),transparent)}
.card .shot img{position:relative;z-index:2;object-fit:contain}
.card .shot .spin{z-index:4}
.card .shot .spin i{border-color:rgba(255,255,255,.18);border-top-color:#7de2fb}
.record-code{
  position:absolute;
  z-index:5;
  left:9px;
  top:9px;
  padding:4px 6px;
  border:1px solid rgba(125,226,251,.28);
  border-radius:5px;
  color:#bceefa;
  background:rgba(3,14,22,.62);
  font:700 8px/1 var(--mono);
  letter-spacing:.08em;
  backdrop-filter:blur(5px);
}
.card .hint{z-index:5;right:9px;bottom:9px;padding:5px 8px;border:1px solid rgba(125,226,251,.25);border-radius:6px;color:#d9f7ff;background:rgba(3,14,22,.72);font-size:8.5px;font-weight:760;opacity:1}
.card .meta{min-height:164px;padding:12px 12px 11px;display:flex;flex-direction:column;align-items:flex-start}
.card .meta b{width:100%;color:#0c1827;font:860 15px/1.25 var(--sans);letter-spacing:-.015em}
.card .reference{width:100%;margin-top:5px;color:#0e92c5;font-size:9.5px;font-weight:720;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .idea{width:100%;min-height:34px;margin:7px 0 0;color:#5d6a77;font-size:10.3px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .tagrow{margin-top:9px}
.tag{padding:4px 7px;border-color:var(--line);border-radius:6px;color:#667480;background:#f7f9fa;font-size:8.5px;font-weight:720}
.tag.el{border-color:rgba(116,80,197,.20);color:#6846b2;background:#f5f1ff}
.tag.major{color:#087967;background:#eafaf6;border-color:rgba(10,168,143,.20)}
.tag.arch{display:none}
.card .record{width:100%;margin-top:auto;padding-top:8px;border-top:1px solid rgba(60,60,67,.08);color:#8a949d;font:650 8px/1.3 var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.load-more{
  min-height:42px;
  margin:14px auto 0;
  padding:0 18px;
  display:flex;
  align-items:center;
  gap:6px;
  border:1px solid rgba(14,146,197,.28);
  border-radius:10px;
  color:#0e92c5;
  background:#fff;
  box-shadow:0 8px 18px rgba(15,23,42,.05);
  font-size:11px;
  font-weight:800;
}
.load-more:hover{border-color:#0e92c5;background:#f2fbfe;transform:translateY(-1px)}
.empty{border:1px dashed var(--line2);border-radius:14px;color:#74818d;background:rgba(255,255,255,.72)}

/* 投稿面板 */
#view-upload{min-height:520px;padding:22px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:var(--gallery-shadow)}
.form{max-width:720px;margin:0 auto;gap:15px}
.note{color:#5c6976;background:#f3fbfe;border-color:rgba(14,146,197,.20)}
.note b{color:#0e92c5}
.submit-mode-note{display:block;margin-top:7px;padding-top:7px;border-top:1px solid rgba(14,146,197,.14);color:#6d7a86}
.drop{border-color:rgba(14,146,197,.30);color:#65737f;background:#fbfdfe}
.drop:hover,.drop.hot{border-color:#0e92c5;color:#0c1827;background:#f2fbfe}
.drop b{color:#0c1827;font-family:var(--sans);font-weight:850}
.field label{color:#63717e;font-size:10px;font-weight:760}
.field input,.field textarea,.field select{border-color:var(--line);color:#0c1827;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{border-color:#0e92c5;box-shadow:0 0 0 3px rgba(14,146,197,.08)}
.submit{font-family:var(--sans);font-weight:850;letter-spacing:0;background:#0a84ff}
.preview{background:#f7f9fa}.preview b{color:#0c1827}

/* 三维检查舱：只在查看模型时进入暗场。 */
.overlay{
  --ink:#07131f;
  --ink2:#0d2230;
  --ink3:#173647;
  --ink4:#1e465b;
  --paper:#f4f8fb;
  --paper-dim:#c1cdd5;
  --paper-dim2:#8ea0ad;
  --ember:#0a84ff;
  --star:#21c7f3;
  --line:rgba(225,241,249,.14);
  --line2:rgba(225,241,249,.28);
  background:rgba(4,13,21,.92);
}
.overlay.on{visibility:visible}
.overlay:not(.on){visibility:hidden}
.stage{background:#07131f}
.overlay .closeX{color:#ffffff;border-color:rgba(125,226,251,.38);background:rgba(7,19,31,.76)}
.overlay .closeX:hover{color:#07131f;background:#7de2fb}
.toolbar{border-color:rgba(225,241,249,.16);background:rgba(7,19,31,.82);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.toolbar{scrollbar-color:rgba(125,226,251,.55) transparent}
.toolbar::-webkit-scrollbar{height:4px}
.toolbar::-webkit-scrollbar-track{background:transparent}
.toolbar::-webkit-scrollbar-thumb{border-radius:99px;background:rgba(125,226,251,.55)}
.toolbar button[aria-pressed="true"]{background:#0a84ff}
.overlay .panel{
  --paper:#0c1827;
  --paper-dim:#596775;
  --paper-dim2:#7b8793;
  --star:#0e92c5;
  --line:rgba(60,60,67,.14);
  color:#0c1827;
  border-left-color:rgba(60,60,67,.15);
  background:#ffffff;
}
.overlay .panel h2{font-family:var(--sans);font-weight:880;letter-spacing:-.02em}
.overlay .panel .by{color:#0e92c5;font-weight:720}
.overlay .panel .sec{color:#6e7b87;border-bottom-color:rgba(60,60,67,.12);font:760 9px/1 var(--mono)}
.overlay .panel .tect,.overlay .panel .vs{background:#f5f9fb;border-color:rgba(14,146,197,.18)}
.overlay .panel .acts a,.overlay .panel .acts button{color:#52616f;background:#fff}
.overlay .panel .acts a:hover,.overlay .panel .acts button:hover{color:#0e92c5;border-color:#0e92c5}
.toast{color:#fff;background:#102a39;border-color:#21c7f3;box-shadow:0 10px 30px rgba(4,13,21,.28)}

@media(max-width:1180px){
  .gallery-overview{grid-template-columns:minmax(0,1fr) minmax(320px,.82fr);grid-template-areas:"intro specimen" "majors course" "guide guide"}
  .overview-intro{grid-column:auto;border:0;padding:0}
  .commandbar-title{display:none}
}

@media(max-width:900px){
  .gallery-main{padding:10px 12px 42px}
  .gallery-overview{grid-template-columns:1fr;grid-template-areas:"intro" "specimen" "majors" "course" "guide";padding:22px}
  .overview-specimen{min-height:152px}
  .overview-intro h1{font-size:34px}
  .viewer-guide{grid-template-columns:repeat(2,minmax(0,1fr))}
  .viewer-guide .viewer-guide__title{grid-column:1/-1;padding-bottom:5px;border-bottom:1px solid rgba(255,255,255,.1)}
  .gallery-commandbar{flex-wrap:wrap}
  .gallery-commandbar .spacer{display:none}
  .searchbox{margin-left:auto}
  .overlay{grid-template-rows:minmax(56dvh,1fr) minmax(0,44dvh)}
  .panel{max-height:44dvh}
  .toolbar{
    left:10px;
    right:10px;
    bottom:10px;
    max-width:none;
    padding:6px;
    justify-content:flex-start;
    flex-wrap:nowrap;
    overflow-x:auto;
    transform:none;
    scrollbar-width:thin;
  }
  .toolbar button{flex:0 0 auto;min-height:34px;padding:0 9px}
  .toolbar .sep{flex:0 0 1px}
}

@media(max-width:760px){
  .gallery-main{padding:8px 8px 34px;gap:8px}
  .gallery-overview{margin:0;padding:16px 14px;border-radius:18px;gap:10px}
  .gallery-overview::after{font-size:52px}
  .overview-intro h1{font-size:30px}
  .overview-intro p{font-size:12px}
  .overview-stats{gap:5px;margin-top:15px}
  .overview-stats li{padding:8px;grid-template-columns:1fr;gap:4px}
  .overview-stats strong{font-size:16px}
  .overview-stats span{font-size:8.5px}
  .overview-specimen{min-height:104px}
  .overview-majors{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
  .overview-majors>span{padding:7px;grid-template-columns:minmax(0,1fr) auto;gap:1px 5px}
  .overview-majors b{font-size:9px}
  .overview-majors strong{font-size:14px}
  .overview-majors small{font-size:7.5px}
  .overview-course{padding-right:92px}
  .viewer-guide{grid-template-columns:repeat(4,minmax(0,1fr));padding:7px 8px;gap:4px}
  .viewer-guide>span{font-size:8.5px}
  .viewer-guide>span b{width:17px;height:17px;margin-right:2px}
  .overview-paths{grid-template-columns:1fr}
  .gallery-commandbar{display:grid;grid-template-columns:1fr auto;gap:7px;padding:7px}
  .tabs{width:max-content}
  .tabs button{padding:0 11px}
  .searchbox{grid-column:1/-1;width:100%;margin:0}
  .searchbox input,.searchbox input:focus{width:100%}
  .ghost{grid-column:2;grid-row:1}
  body[data-gallery-view="upload"] .gallery-commandbar{grid-template-columns:1fr}
  .filter-panel{padding:11px 9px 8px;border-radius:14px}
  .filter-heading{align-items:center}
  .filter-heading>div{display:grid;gap:3px}
  .filter-heading p{display:none}
  .filters{padding-top:7px}
  .frow{min-width:0;flex-wrap:nowrap;overflow-x:auto;padding:0 0 4px;scrollbar-width:thin}
  .frow-label{position:sticky;z-index:2;left:0;width:36px;flex:0 0 36px;align-self:stretch;display:flex;align-items:center;background:linear-gradient(90deg,#fff 82%,rgba(255,255,255,.7))}
  .chip{flex:0 0 auto}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .card .meta{min-height:170px;padding:10px 9px}
  .card .meta b{font-size:12.5px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .card .reference{font-size:8.5px}
  .card .idea{font-size:9.2px}
  .tag{padding:3px 5px;font-size:7.5px}
  .record-code{left:6px;top:6px;font-size:7px}
  .card .hint{right:6px;bottom:6px;font-size:7.5px}
  #view-upload{padding:15px 11px}
}

@media(max-width:339px){.grid{grid-template-columns:1fr}.card .meta{min-height:150px}}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .cardwrap,.card .shot img,.load-more,.tabs button,.chip,.ghost,.submit,.toast{transition-duration:.001ms!important}
  .cardwrap:hover,.load-more:hover{transform:none}
}

/* 概览卡里的教案入口 */
.overview-lesson{margin:10px 0 0;font:400 12.5px/1.7 var(--sans);color:var(--paper-dim)}
.overview-lesson a{color:var(--ember);text-decoration:none}
.overview-lesson a:hover{text-decoration:underline}

/* 教案浮窗中的嵌入查看模式：只保留现有 3D 查看器。 */
html.gallery-embed,html.gallery-embed body{height:100%;background:#07131f;overflow:hidden}
.gallery-embed .puxin-brandbar,.gallery-embed .gallery-main,.gallery-embed .site-footer{display:none!important}
.gallery-embed .overlay{z-index:1}
.gallery-embed .overlay .closeX{display:none}