/* ==========================================================================
   结课复习网页 · 样式
   主站口径：白底、岭南红 #C8102E、slate 中性色、暖发丝线、方角、无衬线。
   ========================================================================== */

:root{
  --paper:#ffffff;
  --ink:#0f172a;
  --ink2:#334155;
  --muted:#64748b;
  --faint:#94a3b8;
  --brand:#c8102e;
  --brand-deep:#a80d27;
  --brand-wash:#f8efec;
  --c-model:#c8102e;
  --c-memory:#8a4f1f;
  --c-skill:#27614f;
  --c-tool:#34527f;
  --c-loop:#5f446d;
  --c-none:#8a8378;
  --hair:#e2e8f0;
  --warm-hair:#e5dfd4;
  --warm-line:#d6cfc2;
  --wash:#f8f6f1;
  --sans:Inter,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",system-ui,sans-serif;
  --mono:"JetBrains Mono","SF Mono",Menlo,Consolas,"Courier New",monospace;
  --kai:"Kaiti SC",STKaiti,KaiTi,"Noto Serif SC","Songti SC",serif;
  --shadow:0 14px 36px rgba(15,23,42,.10);
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,dl,dd,ul{margin:0;}
button{font:inherit;color:inherit;}
a{color:inherit;text-decoration:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:var(--brand);color:#fff;}

/* ---------- 顶栏 ---------- */

.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:34px;
  padding:0 40px;height:66px;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--hair);
}
.topbar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand) 0 18%,var(--hair) 18% 100%);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;display:grid;place-items:center;
  background:var(--brand);color:#fff;
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15.5px;letter-spacing:.01em;}
.brand-text i{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);margin-top:2px;}

.nav{display:flex;align-items:stretch;gap:4px;height:100%;}
.nav-link{
  display:flex;align-items:center;gap:8px;
  padding:0 15px;font-size:15px;color:var(--ink2);
  border-bottom:2px solid transparent;
  transition:color .15s,border-color .15s,background .15s;
}
.nav-link span{font-family:var(--mono);font-size:10.5px;color:var(--faint);letter-spacing:.1em;}
.nav-link:hover{color:var(--brand);background:rgba(200,16,46,.03);}
.nav-link.is-active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}
.nav-link.is-active span{color:var(--brand);}

.topbar-meta{margin-left:auto;display:flex;align-items:center;gap:14px;}
.progress{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);}
.btn-mini{
  border:1px solid var(--hair);background:#fff;padding:5px 10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
  cursor:pointer;transition:.15s;
}
.btn-mini:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 视图 ---------- */

main{min-height:calc(100vh - 66px);}
.view{
  max-width:1360px;margin:0 auto;
  padding:38px 48px 72px;
  animation:rise .38s var(--ease) both;
}
@keyframes rise{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.view[hidden]{display:none;}

.view-head{max-width:960px;}
.kicker{
  font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.22em;color:var(--brand);text-transform:uppercase;
}
.view-head h1{
  margin-top:8px;font-size:42px;line-height:1.16;letter-spacing:-.02em;font-weight:750;
}
.rule{
  width:64px;height:2px;margin:18px 0 0;
  background:linear-gradient(90deg,var(--brand) 55%,transparent);
}
.lede{
  margin-top:16px;max-width:760px;padding:8px 0 8px 16px;
  border-left:3px solid var(--brand);
  font-family:var(--kai);font-size:18.5px;line-height:1.85;color:#4a443c;
}

/* 四个板块之间的衔接 */
.next-step{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:46px;padding:18px 2px;border-top:1px solid var(--warm-hair);
  color:var(--ink2);transition:border-color .15s;
}
.next-step b{font-size:16.5px;font-weight:650;letter-spacing:-.01em;transition:color .15s;}
.next-step b::before{
  content:"";display:inline-block;width:20px;height:2px;background:var(--brand);
  vertical-align:middle;margin-right:12px;transform:translateY(-3px);
}
.next-step span{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);
  white-space:nowrap;transition:transform .18s var(--ease),color .15s;
}
.next-step:hover{border-top-color:var(--brand);}
.next-step:hover b{color:var(--brand);}
.next-step:hover span{color:var(--brand);transform:translateX(4px);}

/* ---------- 01 装配台 ---------- */

.lab{display:grid;grid-template-columns:336px minmax(0,1fr);gap:42px;margin-top:34px;align-items:start;}

.tray{
  position:sticky;top:90px;
  border:1px solid var(--warm-hair);background:linear-gradient(180deg,#fdfcf9,#fff 55%);
  padding:18px 18px 20px;
}
.tray-head{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--warm-hair);}
.tray-count{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em;}
.tray-list{display:flex;flex-direction:column;gap:10px;margin-top:14px;}

.part-card{
  position:relative;display:flex;gap:12px;align-items:flex-start;
  padding:14px 40px 14px 16px;
  border:1px solid var(--warm-hair);background:#fff;
  cursor:grab;touch-action:pan-y;user-select:none;
  transition:transform .16s var(--ease),box-shadow .16s,border-color .16s,background .16s;
}
.part-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.part-card[data-part="model"]::before,.slot.is-filled[data-drop="model"]::before{background:var(--c-model);}
.part-card[data-part="memory"]::before,.slot.is-filled[data-drop="memory"]::before{background:var(--c-memory);}
.part-card[data-part="skill"]::before,.slot.is-filled[data-drop="skill"]::before{background:var(--c-skill);}
.part-card[data-part="tool"]::before,.slot.is-filled[data-drop="tool"]::before{background:var(--c-tool);}
.part-card[data-part="loop"]::before,.slot.is-filled[data-drop="loop"]::before{background:var(--c-loop);}
.part-card[data-part="model"] .part-no{color:var(--c-model);}
.part-card[data-part="memory"] .part-no{color:var(--c-memory);}
.part-card[data-part="skill"] .part-no{color:var(--c-skill);}
.part-card[data-part="tool"] .part-no{color:var(--c-tool);}
.part-card[data-part="loop"] .part-no{color:var(--c-loop);}
.part-card:hover{transform:translateY(-2px);border-color:#cfc5b6;box-shadow:0 8px 20px rgba(15,23,42,.07);}
.part-card.is-selected{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 1px var(--brand) inset;}
.part-card.is-dragging{opacity:.32;}
.part-no{font-family:var(--mono);font-size:10.5px;color:var(--faint);letter-spacing:.12em;padding-top:5px;}
.part-name,.part-sub,.part-short{display:block;}
.part-name{font-size:21px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.part-sub{font-size:13.5px;color:var(--muted);margin-top:3px;}
.part-short{font-size:13.5px;color:var(--ink2);margin-top:8px;line-height:1.55;}
.part-info{
  position:absolute;right:9px;top:9px;
  width:24px;height:24px;display:grid;place-items:center;
  border:1px solid var(--warm-hair);background:#fff;color:var(--muted);
  font-family:var(--mono);font-size:11px;cursor:pointer;transition:.15s;
}
.part-info:hover{background:var(--brand);border-color:var(--brand);color:#fff;}
.tray-hint{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.6;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--warm-hair);background:#fff;padding:9px 14px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--ink2);
  cursor:pointer;transition:.15s;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-wash);}
.tray > .btn-ghost{margin-top:12px;width:100%;}

/* 装配台 */

.stage-frame{
  border:1px solid var(--warm-hair);
  background:
    radial-gradient(120% 80% at 100% 0%,rgba(200,16,46,.035),transparent 55%),
    linear-gradient(180deg,#fdfcf9,#fff 42%);
  padding:22px;
}
.arch{display:flex;flex-direction:column;gap:0;}

.layer{
  position:relative;
  border:1px solid var(--warm-hair);background:rgba(255,255,255,.72);
  padding:30px 18px 18px;
}
.layer-tag{
  position:absolute;left:14px;top:9px;
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);
}
.layer.remote{border-bottom:none;}
.layer.desk{padding:14px 16px;background:var(--wash);}

.harness{background:var(--wash);border:1px solid var(--warm-hair);padding:16px;}
.harness-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;}
.harness-tools{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);text-align:right;}
.harness-tools b{font-weight:700;color:var(--brand);}
.slot-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
.harness-foot{
  margin-top:13px;padding-top:10px;border-top:1px dashed var(--warm-line);
  font-size:12.5px;color:var(--muted);line-height:1.5;
}
.harness-foot b{color:var(--ink2);font-weight:700;}

.slot{
  position:relative;min-height:104px;
  display:flex;flex-direction:column;justify-content:center;
  padding:14px 38px 14px 16px;
  border:1px dashed var(--warm-line);background:rgba(255,255,255,.62);
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.slot.is-over{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 2px rgba(200,16,46,.1) inset;}
.slot.is-filled{
  border-style:solid;border-color:var(--warm-hair);background:#fff;
  cursor:pointer;
}
.slot.is-filled::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);}
.slot.is-filled:hover{border-color:#cfc5b6;box-shadow:0 6px 16px rgba(15,23,42,.06);}
.slot.is-wrong{animation:shake .38s;}
@keyframes shake{
  0%,100%{transform:translateX(0);}
  20%{transform:translateX(-6px);}
  40%{transform:translateX(6px);}
  60%{transform:translateX(-4px);}
  80%{transform:translateX(4px);}
}
.slot-q{font-size:16px;font-weight:650;color:var(--ink2);line-height:1.45;}
.slot-hint{font-family:var(--mono);font-size:11.5px;color:var(--faint);letter-spacing:.06em;margin-top:7px;}
.slot-filled-name{font-size:21px;font-weight:700;line-height:1.2;}
.slot-filled-sub{font-size:13px;color:var(--muted);margin-top:4px;}
.slot-filled-short{font-size:13px;color:var(--ink2);margin-top:7px;line-height:1.5;}
.slot-info{
  position:absolute;right:9px;top:9px;
  width:24px;height:24px;display:grid;place-items:center;
  border:1px solid var(--warm-hair);background:#fff;color:var(--muted);
  font-family:var(--mono);font-size:11px;cursor:pointer;
}
.slot.is-filled:hover .slot-info{border-color:var(--brand);color:var(--brand);}
.slot.just-filled{animation:pop .35s var(--ease);}
@keyframes pop{0%{transform:scale(.97);}55%{transform:scale(1.015);}100%{transform:scale(1);}}

.slot-model{min-height:112px;}

.api-band{
  position:relative;display:flex;align-items:center;justify-content:center;
  height:46px;cursor:pointer;
}
.api-band::before,.api-band::after{
  content:"";position:absolute;top:50%;height:1px;background:var(--warm-line);
}
.api-band::before{left:12%;right:54%;}
.api-band::after{left:54%;right:12%;}
.api-label{
  position:relative;z-index:1;display:flex;align-items:center;gap:8px;
  padding:4px 12px;background:#fff;border:1px solid var(--warm-hair);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);
  transition:.15s;
}
.api-band:hover .api-label{border-color:var(--brand);color:var(--brand);}
.api-label i{font-style:normal;color:var(--faint);}

.desk-card{
  display:flex;align-items:baseline;gap:14px;width:100%;
  background:transparent;border:none;text-align:left;cursor:pointer;padding:2px;
}
.desk-card b{font-size:15px;font-weight:700;white-space:nowrap;}
.desk-card span{font-size:12.5px;color:var(--muted);}
.desk-card em{font-style:normal;margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--faint);}
.desk-card:hover b{color:var(--brand);}

.stage-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.6;}

/* ---------- 02 工具对照 ---------- */

.tools-wrap{margin-top:30px;}
.tools-swipe{display:none;margin-bottom:8px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--brand);}
.tools-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-top:2px solid var(--ink);}
.tools-table{min-width:820px;}
.trow{display:grid;grid-template-columns:150px repeat(3,minmax(190px,1fr));border-bottom:1px solid var(--hair);cursor:pointer;transition:background .15s;}
.trow.thead{cursor:default;background:var(--wash);}
.trow > div{padding:15px 18px;border-right:1px solid var(--hair);font-size:14.5px;line-height:1.55;}
.trow > div:last-child{border-right:none;}
.trow:not(.thead):hover{background:#fcfcfb;}
.trow.is-active{background:var(--brand-wash);}
.trow.is-active > div:first-child{box-shadow:inset 3px 0 0 var(--brand);}
.thead .tcol{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink2);font-weight:700;}
.thead .tcol span{display:block;font-weight:400;font-size:10px;color:var(--muted);letter-spacing:.08em;margin-top:3px;}
.tpart{font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:9px;}
.tpart::before{content:"";width:7px;height:7px;background:var(--brand);flex-shrink:0;}
.cell-main{font-family:var(--mono);font-size:13.5px;color:var(--ink);word-break:break-word;}
.tools-hint{font-size:13px;color:var(--muted);margin-top:12px;}
.tools-note{
  margin-top:14px;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--wash);font-size:15px;line-height:1.7;color:var(--ink2);min-height:58px;
}
.tools-note b{color:var(--brand);}

.band{
  margin-top:42px;padding:24px 28px;border:1px solid var(--warm-hair);
  background:linear-gradient(90deg,var(--brand-wash),#fff 65%);
  display:flex;gap:26px;align-items:baseline;
}
.band-kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--brand);white-space:nowrap;}
.band p{font-family:var(--kai);font-size:18px;line-height:1.75;color:#4a443c;}

/* ---------- 03 课程地图 ---------- */

.map-cover{
  margin:24px 0 0;
  border:1px solid var(--warm-hair);background:#fff;
}
.map-cover img{display:block;width:100%;height:auto;}
.map-cover figcaption{
  margin:0;padding:9px 16px;border-top:1px solid var(--warm-hair);background:var(--wash);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--muted);
}

.map-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  grid-template-rows:repeat(2,auto);
  grid-auto-flow:column;
  gap:12px;margin-top:22px;
}
.map-cell{
  position:relative;display:flex;flex-direction:column;
  width:100%;height:100%;padding:0;overflow:hidden;
  border:1px solid var(--warm-hair);background:#fff;text-align:left;cursor:pointer;
  transition:border-color .16s,box-shadow .16s,transform .16s var(--ease);
}
.map-cell::before{content:"";position:absolute;left:0;top:0;right:0;height:2px;background:var(--accent,var(--brand));opacity:.85;z-index:1;}
.map-cell:hover{border-color:#cfc5b6;transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.07);}
.map-cell:focus-visible{outline-offset:3px;}
.map-cell:hover .map-cell-title{color:var(--accent,var(--brand));}
.map-cell-thumb{display:block;background:var(--wash);border-bottom:1px solid var(--warm-hair);overflow:hidden;}
.map-cell-thumb img{display:block;width:100%;height:72px;object-fit:cover;transition:transform .45s var(--ease);}
.map-cell:hover .map-cell-thumb img{transform:scale(1.04);}
.map-cell-body{display:flex;flex-direction:column;flex:1;padding:12px 14px 14px;}
.map-cell-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;}
.map-cell-no{font-family:var(--mono);font-size:19px;font-weight:700;line-height:1.1;letter-spacing:-.01em;color:var(--accent,var(--brand));}
.map-cell-when{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--muted);white-space:nowrap;}
.map-cell-title{display:block;margin-top:7px;font-size:16px;font-weight:700;line-height:1.35;letter-spacing:-.01em;transition:color .15s;}
.map-cell-add{display:block;margin-top:7px;font-size:12.5px;line-height:1.55;color:var(--ink2);}

/* 地图面板 */

.map-panel{
  position:fixed;inset:0;z-index:95;
  display:grid;place-items:center;padding:22px;
  background:rgba(15,23,42,.42);
  opacity:0;transition:opacity .22s ease;
}
.map-panel[hidden]{display:none;}
.map-panel.is-open{opacity:1;}
.map-panel-card{
  position:relative;width:min(880px,100%);max-height:calc(100vh - 44px);overflow:auto;
  background:#fff;border:1px solid var(--warm-hair);
  box-shadow:0 30px 80px rgba(15,23,42,.26);
  opacity:0;transform:translateY(22px) scale(.975);
  transition:opacity .24s var(--ease),transform .32s var(--ease);
}
.map-panel.is-open .map-panel-card{opacity:1;transform:none;}
.map-panel-close{
  position:absolute;right:12px;top:12px;z-index:2;
  width:36px;height:36px;border:1px solid var(--warm-hair);background:rgba(255,255,255,.94);
  font-size:20px;line-height:1;color:var(--muted);cursor:pointer;
}
.map-panel-close:hover{border-color:var(--brand);color:var(--brand);}
.map-panel-media{background:var(--wash);border-bottom:1px solid var(--warm-hair);}
.map-panel-media img{display:block;width:100%;max-height:42vh;object-fit:contain;background:#fff;}
.map-panel-caption{
  margin:0;padding:8px 26px;border-top:1px solid var(--warm-hair);background:var(--wash);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted);
}
.map-panel-body{padding:22px 30px 24px;}
.map-panel-body .kicker{color:var(--accent,var(--brand));}
.map-panel-body h2{margin-top:8px;font-size:27px;line-height:1.25;letter-spacing:-.02em;font-weight:750;}
.map-panel-points{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.map-panel-point{position:relative;padding-left:18px;font-size:15.5px;line-height:1.65;color:var(--ink);}
.map-panel-point::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:2px;background:var(--accent,var(--brand));}
.map-panel-text{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink2);}
.map-panel-nav{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:20px;padding-top:15px;border-top:1px solid var(--warm-hair);
}
.map-panel-nav .btn-ghost:disabled{color:var(--faint);border-color:var(--hair);background:#fff;cursor:not-allowed;}
.map-panel-count{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--muted);}
@keyframes mapSwap{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.map-panel-card.is-shifting .map-panel-media,
.map-panel-card.is-shifting .map-panel-body{animation:mapSwap .28s var(--ease) both;}

@media (max-width:980px){
  .map-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;grid-auto-flow:row;gap:12px;}
  .map-cell-thumb img{height:64px;}
  .map-cell-title{font-size:15.5px;}
}

@media (max-width:680px){
  .map-cover figcaption{padding:8px 12px;font-size:10px;letter-spacing:.05em;}
  .map-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px;}
  .map-cell-thumb img{height:54px;}
  .map-cell-body{padding:10px 12px 12px;}
  .map-cell-no{font-size:17px;}
  .map-cell-title{font-size:14.5px;margin-top:6px;}
  .map-cell-add{font-size:12px;margin-top:6px;}
  .map-panel{padding:0;}
  .map-panel-card{width:100%;height:100%;max-height:100vh;border:none;}
  .map-panel-close{position:fixed;top:14px;right:14px;}
  .map-panel-media img{max-height:34vh;}
  .map-panel-caption{padding:7px 18px;}
  .map-panel-body{padding:18px 20px 22px;}
  .map-panel-body h2{font-size:22px;}
  .map-panel-text{font-size:14.5px;}
}

/* ---------- 04 技能调度台 ---------- */

.quiz{margin-top:30px;}

/* 三段：技能 / 连接器 / 子代理 */
.parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px;align-items:start;}
.quiz-part{border:1px solid var(--warm-hair);background:#fff;padding:14px;}
.part-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding-bottom:9px;border-bottom:1px solid var(--warm-hair);}
.part-count{font-family:var(--mono);font-size:10.5px;color:var(--brand);margin-left:8px;}
.part-hint{font-family:var(--mono);font-size:9.5px;line-height:1.4;color:var(--muted);letter-spacing:.03em;text-align:right;}
.part-drop{min-height:56px;margin-top:10px;padding:8px;border:1px dashed var(--warm-line);background:var(--wash);display:flex;flex-wrap:wrap;gap:6px;align-items:flex-start;transition:border-color .15s,background .15s,box-shadow .15s;}
.part-drop.is-over{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 2px rgba(200,16,46,.1) inset;}
.part-empty{margin:auto;font-size:12px;line-height:1.5;color:var(--muted);text-align:center;}
.part-pool{display:grid;grid-template-columns:1fr;gap:8px;margin-top:10px;max-height:430px;overflow:auto;padding-right:2px;}
.part-pool .skill-card{padding:10px 30px 10px 12px;}
.part-pool .skill-zh{font-size:12.5px;line-height:1.55;}
.part-fb{margin-top:10px;padding-top:8px;border-top:1px solid var(--warm-hair);font-size:12px;line-height:1.55;color:var(--ink2);}
.part-fb-title{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--brand);margin-bottom:4px;}
.part-fb.ok .part-fb-title{color:var(--c-skill);}
.part-row{padding:3px 0;}
.part-row b{font-family:var(--mono);font-size:11px;color:var(--ink);}
.part-row.miss b{color:var(--brand);}
.part-row.extra{opacity:.68;}
.part-row.extra b{text-decoration:line-through;text-decoration-color:var(--brand);}

.quiz-top{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;}
.quiz-meter{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.quiz-meter-left{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.quiz-meter-right{display:flex;align-items:center;gap:12px;}
.quiz-bank-note{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);}
.dots{display:flex;gap:7px;}
.dot{width:22px;height:4px;background:var(--hair);transition:.2s;}
.dot.is-now{background:var(--brand);width:40px;}
.dot.is-done{background:var(--ink);}
.dot.is-pass{background:var(--brand);}

.task-card{
  border:1px solid var(--warm-hair);border-left:3px solid var(--brand);
  background:linear-gradient(90deg,var(--brand-wash),#fff 60%);
  padding:20px 24px;
}
.task-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--brand);margin-bottom:7px;}
.task-scenario{font-size:17px;line-height:1.75;color:var(--ink);max-width:900px;}
.task-ask{margin-top:12px;font-size:16.5px;line-height:1.7;font-weight:650;color:var(--ink);}
.task-ask::before{content:"怎么拆　";font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);font-weight:400;}

.dispatch{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:30px;margin-top:26px;align-items:start;}
.pool-head,.box-head{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:10px;border-bottom:1px solid var(--warm-hair);}
.pool-hint,.box-count{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.06em;}
.skill-pool{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;align-items:start;}
.skill-card{
  position:relative;border:1px solid var(--warm-hair);background:#fff;
  padding:13px 34px 13px 14px;cursor:grab;touch-action:pan-y;user-select:none;
  transition:transform .16s var(--ease),box-shadow .16s,border-color .16s,background .16s;
}
.skill-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);opacity:.55;}
.skill-card[data-kind="connector"]::before{background:var(--c-tool);opacity:.8;}
.skill-card[data-kind="config"]::before{background:var(--c-loop);opacity:.8;}
.skill-card[data-kind="subagent"]::before{background:var(--c-loop);opacity:.85;}
.kind-tag{display:inline-block;margin-bottom:6px;padding:1px 6px;border:1px solid var(--warm-hair);font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;color:var(--muted);}
.skill-card[data-kind="connector"] .kind-tag{color:var(--c-tool);border-color:#c9d3e2;}
.skill-card[data-kind="config"] .kind-tag{color:var(--c-loop);border-color:#d8cbe0;}
.skill-card[data-kind="subagent"] .kind-tag{color:var(--c-loop);border-color:#d8cbe0;}
.skill-card[data-kind="connector"] .skill-name,.skill-card[data-kind="config"] .skill-name,.skill-card[data-kind="subagent"] .skill-name{font-family:var(--sans);font-size:15px;letter-spacing:0;}

.skill-card:hover{transform:translateY(-2px);border-color:#cfc5b6;box-shadow:0 8px 20px rgba(15,23,42,.06);}
.skill-card.is-selected{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 1px var(--brand) inset;}
.skill-card.is-selected::after{
  content:"已放入";position:absolute;right:9px;top:9px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--brand);
}
.skill-card.is-dragging{opacity:.32;}
.skill-name{font-family:var(--mono);font-size:14px;font-weight:700;line-height:1.35;word-break:break-word;}
.skill-zh{font-size:14px;line-height:1.6;color:var(--ink2);margin-top:6px;}
.skill-toggle{
  margin-top:8px;background:none;border:none;padding:0;cursor:pointer;
  font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);
  text-decoration:underline dotted var(--faint);text-underline-offset:4px;
}
.skill-toggle:hover{color:var(--brand);text-decoration-color:var(--brand);}
.skill-desc{
  display:none;margin-top:8px;padding:9px 10px;background:var(--wash);
  font-family:var(--mono);font-size:12px;line-height:1.6;color:var(--ink2);word-break:break-word;
}
.skill-card.show-desc .skill-desc{display:block;}
.skill-card.hit{border-color:var(--brand);background:#fff;}
.skill-card.hit::before{opacity:1;}
.skill-card.missed{border-color:var(--brand);border-style:dashed;background:var(--brand-wash);}
.skill-card.missed::after{
  content:"漏了";position:absolute;right:9px;top:9px;
  font-family:var(--mono);font-size:9.5px;color:var(--brand);
}
.skill-card.extra{opacity:.68;}
.skill-card.extra .skill-name{text-decoration:line-through;text-decoration-color:var(--brand);}
.skill-card.just-picked{animation:pickPulse .34s var(--ease);}
@keyframes pickPulse{0%,100%{transform:none;}45%{transform:scale(1.018);}}

.quiz-part.is-locked .part-pool .skill-card{cursor:default;}
.quiz-part.is-locked .part-pool .skill-card:not(.hit):not(.missed):not(.extra){opacity:.55;}
.quiz-part.is-locked .part-pool .skill-card.extra{opacity:.45;}
.part-locked{
  margin-left:8px;padding:1px 6px;border:1px solid var(--warm-hair);background:var(--wash);
  font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--muted);
}

#quiz-parts.is-entering,.task-card.is-entering{animation:qIn .3s var(--ease);}
@keyframes qIn{from{opacity:.3;transform:translateY(7px);}to{opacity:1;transform:none;}}

.box-wrap{position:sticky;top:90px;}
.quiz-drop{
  margin-top:12px;min-height:248px;padding:12px;
  border:1px dashed var(--warm-line);background:var(--wash);
  display:flex;flex-direction:column;gap:8px;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.quiz-drop.is-over{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 2px rgba(200,16,46,.1) inset;}
.drop-empty{margin:auto;text-align:center;font-size:14px;line-height:1.8;color:var(--muted);}
.drop-empty span{font-size:11.5px;color:var(--faint);}
.quiz-drop.has-items .drop-empty{display:none;}
.box-chips{display:flex;flex-direction:column;gap:7px;}
.box-chip{
  display:flex;align-items:center;gap:8px;padding:8px 10px;
  border:1px solid var(--warm-hair);background:#fff;
  font-family:var(--mono);font-size:12px;line-height:1.35;word-break:break-word;
}
.box-chip b{font-weight:700;}
.box-chip button{
  margin-left:auto;border:none;background:none;color:var(--muted);cursor:pointer;
  font-size:15px;line-height:1;padding:0 2px;
}
.box-chip button:hover{color:var(--brand);}
.quiz-actions{display:flex;gap:10px;margin-top:14px;}
.btn-primary{
  flex:1;padding:11px 16px;border:1px solid var(--brand);background:var(--brand);color:#fff;
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.1em;cursor:pointer;
  transition:.15s;
}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);}
.btn-primary:disabled{background:#f1f5f9;border-color:var(--hair);color:var(--faint);cursor:not-allowed;}
.feedback{margin-top:16px;}
.feedback:empty{display:none;}
.fb-verdict{
  padding:14px 16px;border-left:3px solid var(--brand);background:var(--brand-wash);
  font-size:14.5px;line-height:1.7;color:var(--ink2);
}
.fb-verdict b{color:var(--ink);}
.fb-groups{margin-top:12px;display:flex;flex-direction:column;gap:10px;}
.fb-group{border:1px solid var(--warm-hair);background:#fff;padding:11px 13px;}
.fb-group h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;margin-bottom:6px;}
.fb-group.ok h4{color:var(--brand);}
.fb-group.miss h4{color:var(--brand);}
.fb-group.extra h4{color:var(--muted);}
.fb-item{font-size:13.5px;line-height:1.65;color:var(--ink2);padding:5px 0;border-top:1px dashed var(--hair);}
.fb-item:first-of-type{border-top:none;}
.fb-item b{font-family:var(--mono);font-size:11.5px;color:var(--ink);}
.fb-next{margin-top:12px;width:100%;}

/* ---------- 抽屉 ---------- */

.scrim{
  position:fixed;inset:0;z-index:80;background:rgba(15,23,42,.34);
  animation:fade .2s both;
}
@keyframes fade{from{opacity:0;}to{opacity:1;}}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:min(460px,100%);
  background:#fff;border-left:1px solid var(--warm-hair);
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;
  box-shadow:-20px 0 60px rgba(15,23,42,.12);
}
.drawer.is-open{transform:none;}
.drawer-head{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:26px 26px 18px;border-bottom:1px solid var(--warm-hair);
}
#drawer[data-part="model"] .kicker{color:var(--c-model);}
#drawer[data-part="memory"] .kicker{color:var(--c-memory);}
#drawer[data-part="skill"] .kicker{color:var(--c-skill);}
#drawer[data-part="tool"] .kicker{color:var(--c-tool);}
#drawer[data-part="loop"] .kicker{color:var(--c-loop);}
.drawer-head h2{font-size:30px;line-height:1.15;letter-spacing:-.02em;margin-top:6px;}
.drawer-sub{font-size:13px;color:var(--muted);margin-top:6px;}
.btn-close{
  width:34px;height:34px;border:1px solid var(--warm-hair);background:#fff;
  font-size:20px;line-height:1;color:var(--muted);cursor:pointer;flex-shrink:0;
}
.btn-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-body{padding:22px 26px 40px;overflow-y:auto;}
.drawer-body dl{display:flex;flex-direction:column;gap:18px;}
.drawer-body dt{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--brand);margin-bottom:4px;}
.drawer-body dd{font-size:15px;line-height:1.75;color:var(--ink2);}
.drawer-tools{margin-top:26px;padding-top:18px;border-top:1px solid var(--warm-hair);}
.drawer-tools h3{font-size:12px;font-family:var(--mono);letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:10px;}
.drawer-tools ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:7px;}
.drawer-tools li{display:grid;grid-template-columns:92px 1fr;gap:12px;font-size:12.5px;line-height:1.5;}
.drawer-tools li b{font-family:var(--mono);font-size:11px;color:var(--ink);}
.drawer-tools li span{color:var(--ink2);word-break:break-word;}

/* ---------- 弹窗与提示 ---------- */

.modal{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  padding:24px;background:rgba(15,23,42,.45);backdrop-filter:blur(3px);
  animation:fade .2s both;
}
.modal[hidden]{display:none;}
.modal-card{
  width:min(560px,100%);background:#fff;border-top:4px solid var(--brand);
  padding:34px 38px 30px;box-shadow:var(--shadow);
  animation:modalIn .38s var(--ease) both;
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.98);}to{opacity:1;transform:none;}}
.modal-card h2{font-size:31px;line-height:1.2;letter-spacing:-.02em;margin-top:8px;}
.modal-card .rule{margin-top:16px;}
.modal-body{margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink2);}
.modal-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px;}
.modal-chip{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;
  border:1px solid var(--warm-hair);background:var(--wash);padding:4px 9px;color:var(--ink2);
}
.modal-note{margin-top:16px;font-size:13.5px;line-height:1.7;color:var(--muted);}
.modal-actions{display:flex;gap:10px;margin-top:24px;}
.modal-actions .btn-primary{flex:1;}
.modal-actions .btn-ghost{flex:1;}

.toast{
  position:fixed;left:50%;bottom:34px;z-index:120;
  transform:translate(-50%,14px);opacity:0;pointer-events:none;
  max-width:min(560px,90vw);padding:11px 16px;
  background:var(--ink);color:#fff;font-size:14px;line-height:1.55;
  border-left:3px solid var(--brand);
  transition:opacity .2s,transform .2s;
}
.toast.is-on{opacity:1;transform:translate(-50%,0);}

.drag-ghost{
  position:fixed;z-index:200;pointer-events:none;display:none;
  max-width:280px;word-break:break-word;
  padding:12px 16px;border:1px solid var(--brand);background:#fff;
  box-shadow:0 16px 34px rgba(15,23,42,.18);transform:rotate(-1.2deg);
  font-size:14px;line-height:1.3;
}
.drag-ghost.is-on{display:block;}
.drag-ghost b{font-size:17px;font-weight:700;}
.drag-ghost span{display:block;font-size:11px;color:var(--muted);margin-top:2px;}

/* ---------- 页脚 ---------- */

.footer{
  max-width:1360px;margin:0 auto;padding:22px 48px 30px;
  border-top:1px solid var(--warm-hair);
  display:flex;justify-content:space-between;gap:16px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);
}

/* ---------- 窄屏 ---------- */

@media (max-width:1180px){
  .parts{grid-template-columns:1fr;}
  .part-pool{max-height:340px;}
  .dispatch{grid-template-columns:1fr;}
  .box-wrap{position:static;}
  .skill-pool{grid-template-columns:1fr 1fr;}
}

@media (max-width:980px){
  .topbar{height:auto;padding:12px 20px;flex-wrap:wrap;gap:10px 20px;}
  .nav{order:3;width:100%;height:auto;overflow-x:auto;border-top:1px solid var(--hair);padding-top:4px;}
  .nav-link{padding:10px 12px;white-space:nowrap;}
  .topbar-meta{margin-left:auto;}
  .view{padding:30px 24px 60px;}
  .lab{grid-template-columns:1fr;gap:26px;}
  .tray{position:static;}
  .tray-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .tools-swipe{display:block;}
  .view-head h1{font-size:36px;}
}

@media (max-width:680px){
  body{font-size:16.5px;}
  .brand-text b{font-size:14px;}
  .progress{display:none;}
  .nav{gap:0;overflow:visible;}
  .nav-link{padding:9px 7px;font-size:13.5px;}
  .nav-link span{display:none;}
  .harness-head{flex-direction:column;align-items:flex-start;gap:3px;}
  .harness-tools{text-align:left;}
  .desk-card em{display:none;}
  .view{padding:24px 16px 48px;}
  .view-head h1{font-size:31px;}
  .lede{font-size:17px;padding-left:12px;}
  .slot-grid{grid-template-columns:1fr;}
  .layer{padding:28px 12px 14px;}
  .stage-frame{padding:12px;}
  .tray-list{grid-template-columns:1fr;}
  .skill-pool{grid-template-columns:1fr;}
  .modal-card{padding:26px 22px 24px;}
  .modal-card h2{font-size:25px;}
  .modal-actions{flex-direction:column;}
  .quiz-meter{flex-wrap:wrap;gap:8px;}
  .quiz-meter-right{width:100%;justify-content:space-between;}
  .footer{padding:18px 16px 26px;flex-direction:column;gap:6px;}
  .band{flex-direction:column;gap:11px;padding:20px;}
  .drawer-head{padding:20px 20px 14px;}
  .drawer-body{padding:18px 20px 32px;}
  .part-pool{max-height:260px;}
}

/* 投屏与笔记本：高度不足 820 时收紧，让装配台和调度框尽量在一屏里 */
@media (max-height:820px) and (min-width:1000px){
  .view{padding-top:20px;padding-bottom:48px;}
  .view-head h1{font-size:34px;}
  .rule{margin-top:12px;}
  .lede{margin-top:10px;padding:4px 0 4px 14px;font-size:15.5px;line-height:1.65;}
  #view-skills .lede,#view-anatomy .lede{display:none;}
  .part-card .part-short{display:none;}
  .lab{margin-top:22px;gap:30px;}
  .tray{top:78px;padding:12px;}
  .tray-head{padding-bottom:9px;}
  .tray-list{gap:8px;margin-top:10px;}
  .part-card{padding:9px 36px 9px 14px;}
  .part-name{font-size:18px;}
  .part-short{font-size:11.5px;margin-top:5px;}
  .stage-frame{padding:14px;}
  .layer{padding:25px 12px 12px;}
  .layer.desk{padding:10px 12px;}
  .slot{min-height:84px;padding:10px 34px 10px 14px;}
  .slot-model{min-height:88px;}
  .slot-q{font-size:14.5px;}
  .slot-filled-name{font-size:18px;}
  .slot-filled-short{font-size:12px;margin-top:5px;}
  .harness{padding:12px;}
  .harness-head{margin-bottom:10px;}
  .slot-grid{gap:8px;}
  .harness-foot{margin-top:9px;padding-top:7px;font-size:11.5px;}
  .api-band{height:34px;}
  .stage-note{margin-top:9px;font-size:12px;}
  .quiz{margin-top:18px;}
  .task-card{padding:14px 18px;}
  .task-scenario{font-size:15.5px;}
  .task-ask{font-size:15.5px;margin-top:8px;}
  .dispatch{margin-top:18px;gap:22px;}
  .skill-card{padding:10px 32px 10px 12px;}
  .skill-zh{font-size:13px;}
  .quiz-drop{min-height:200px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}