/* =============================================================
   格物 GEWU · 工作台样式
   ============================================================= */
:root{
  --bg:#0B0C0E;
  --panel:#111316;
  --panel-2:#15181C;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.055);
  --ink:#E9E6DE;
  --ink-2:#9A968C;
  --ink-3:#6B675F;
  --accent:#C9A961;
  --accent-2:#B23A2B;
  --paper:#F6F2E9;
  --ok:#4E9C7A;
  --ui:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  --serif:"Songti SC","STSong","Source Han Serif SC",SimSun,serif;
  --mono:Consolas,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);
  font-size:13px;line-height:1.55;-webkit-font-smoothing:antialiased;
  overflow:hidden;
}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.24)}
::-webkit-scrollbar-track{background:transparent}

/* ---------------- 顶栏 ---------------- */
.topbar{
  height:56px;display:flex;align-items:center;gap:28px;padding:0 22px;
  border-bottom:1px solid var(--line);background:#0C0D10;
  position:relative;z-index:20;
}
.logo{display:flex;align-items:baseline;gap:9px;white-space:nowrap}
.logo b{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.16em}
.logo span{font-size:9.5px;letter-spacing:.34em;color:var(--ink-3)}
.logo i{
  width:15px;height:15px;border:1.4px solid var(--accent);position:relative;
  display:inline-block;margin-right:2px;align-self:center;
}
.logo i::after{content:"";position:absolute;inset:4px;background:var(--accent)}

.tabs{display:flex;gap:2px;margin-left:6px}
.tabs button{
  padding:7px 14px;font-size:12.5px;color:var(--ink-2);letter-spacing:.06em;
  border-radius:2px;transition:.15s;position:relative;
}
.tabs button:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.tabs button.active{color:var(--paper);background:rgba(255,255,255,.07)}
.tabs button.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:1px;background:var(--accent);
}
.top-right{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px;vertical-align:1px}

/* ---------------- 布局 ---------------- */
.modebar{
  display:flex;align-items:center;gap:12px;height:36px;padding:0 20px;
  background:rgba(178,58,43,.14);border-bottom:1px solid rgba(178,58,43,.35);
  font-size:11.5px;color:#E6C4B9;letter-spacing:.03em;flex:none;
}
.modebar-txt{opacity:.95}
.modebar button{
  border:1px solid rgba(230,196,185,.5);border-radius:2px;padding:3px 10px;font-size:11px;
  color:#F3E3DA;background:rgba(178,58,43,.28);transition:.15s;flex:none;
}
.modebar button:hover{background:rgba(178,58,43,.5)}
.modebar-hint{opacity:.6;font-size:10.5px}
main{height:calc(100vh - 56px);position:relative;overflow:hidden}
.tab{display:none;height:100%}
.tab.active{display:flex}
#tab-studio{display:none}
#tab-studio.active{display:grid;grid-template-columns:288px 1fr 322px;grid-template-rows:100%;min-height:0}

/* ---------------- 左栏 ---------------- */
.rail{
  border-right:1px solid var(--line);overflow-y:auto;padding:0 0 40px;background:#0C0E10;min-height:0;
}
.group{border-bottom:1px solid var(--line-2);padding:14px 16px 16px}
.group:last-child{border-bottom:none}
.group-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:10px;letter-spacing:.2em;color:var(--ink-3);margin-bottom:10px;
  text-transform:uppercase;
}
.group-title em{font-style:normal;color:var(--ink-3);opacity:.65;letter-spacing:.1em;font-size:10px}

.field{margin-bottom:9px}
.field:last-child{margin-bottom:0}
.field label{
  display:block;font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);margin-bottom:5px;
}
.input,.textarea{
  width:100%;background:#0A0B0D;border:1px solid var(--line);border-radius:2px;
  padding:7px 9px;font-size:12.5px;color:var(--ink);outline:none;transition:.15s;
}
.textarea{
  resize:vertical;min-height:54px;line-height:1.7;overflow-y:hidden;
  padding-bottom:14px;
}
.textarea::-webkit-resizer{
  background:
    linear-gradient(135deg, transparent 46%, rgba(201,169,97,.55) 46%, rgba(201,169,97,.55) 54%, transparent 54%),
    linear-gradient(135deg, transparent 66%, rgba(201,169,97,.55) 66%, rgba(201,169,97,.55) 74%, transparent 74%);
}
.field label em.auto-tip{
  float:right;font-style:normal;font-size:9px;color:var(--ink-3);opacity:.7;letter-spacing:.02em;
}
.input:focus,.textarea:focus{border-color:rgba(201,169,97,.55);background:#0D0F12}
.input::placeholder,.textarea::placeholder{color:#4B4842}

/* 色板 */
.swatches{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.swatch{
  border:1px solid var(--line);border-radius:2px;padding:0;overflow:hidden;
  text-align:left;transition:.15s;background:transparent;
}
.swatch:hover{border-color:rgba(255,255,255,.24)}
.swatch .bar{height:24px;display:flex}
.swatch .bar i{flex:1}
.swatch .cap{padding:3px 6px 5px;font-size:9px;letter-spacing:.03em;color:var(--ink-3);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.swatch .cap b{display:block;color:var(--ink);font-weight:500;font-size:10.5px;letter-spacing:.02em}
.swatch.active{border-color:var(--accent);box-shadow:0 0 0 1px rgba(201,169,97,.35) inset}
.swatch.active .cap b{color:var(--accent)}

/* 画幅 */
.format-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.format-chip{
  border:1px solid var(--line);border-radius:2px;padding:6px 7px 5px;text-align:left;
  transition:.15s;background:#0A0B0D;
}
.format-chip:hover{border-color:rgba(255,255,255,.24)}
.format-chip b{display:block;font-size:11px;font-weight:500;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.format-chip span{display:block;font-size:9px;color:var(--ink-3);letter-spacing:.04em;margin-top:1px;font-family:var(--mono)}
.format-chip.active{border-color:var(--accent);background:rgba(201,169,97,.08)}
.format-chip.active b{color:var(--accent)}
.format-chip.custom{grid-column:1 / -1;text-align:center}
.format-chip.custom b{font-size:11px}

/* 自定义画幅面板 */
.custom-box{
  display:none;margin-top:8px;padding:10px;border:1px solid rgba(201,169,97,.32);
  border-radius:2px;background:rgba(201,169,97,.05);
}
.cc-row{display:flex;align-items:flex-end;gap:6px;margin-bottom:8px}
.cc-field{flex:1;min-width:0}
.cc-field label{display:block;font-size:9px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:3px}
.cc-field .input{padding:5px 7px;font-size:12px;font-family:var(--mono)}
.cc-lock{
  width:26px;height:27px;flex:none;border:1px solid var(--line);border-radius:2px;
  background:#0A0B0D;font-size:11px;line-height:1;color:var(--ink-3);
}
.cc-lock.on{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.10)}
.cc-dpi{width:74px;flex:none}
.cc-dpi label{display:block;font-size:9px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:3px}
.cc-dpi .input{padding:5px 6px;font-size:11px;font-family:var(--mono)}
.cc-quick{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:8px}
.cc-quick button{
  border:1px solid var(--line);border-radius:2px;padding:4px 0;font-size:9.5px;
  color:var(--ink-3);background:#0A0B0D;font-family:var(--mono);letter-spacing:.02em;
}
.cc-quick button:hover{border-color:rgba(255,255,255,.26);color:var(--ink-2)}

/* 版式 */
.layout-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;max-height:336px;overflow-y:auto;padding-right:3px}
.layout-btn{
  border:1px solid var(--line);border-radius:2px;background:#0A0B0D;overflow:hidden;
  text-align:left;transition:.15s;padding:0;
}
.layout-btn:hover{border-color:rgba(255,255,255,.26)}
.layout-cat{grid-column:1 / -1;font-size:8.5px;letter-spacing:.18em;color:var(--ink-3);margin:7px 0 1px;padding-top:6px;border-top:1px solid var(--line-2)}
.layout-cat:first-child{border-top:none;margin-top:0;padding-top:0}
.layout-btn canvas{display:block;width:100%;height:auto;background:#1a1a1a}
.layout-btn .cap{padding:3px 2px 4px;font-size:9px;color:var(--ink-3);letter-spacing:0;text-align:center;white-space:nowrap;overflow:hidden}
.layout-btn .cap b{display:block;color:var(--ink-2);font-weight:400;font-size:9.5px}
.layout-btn.active{border-color:var(--accent)}
.layout-btn.active .cap b{color:var(--accent)}

/* 开关 */
.switch-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-size:12px;color:var(--ink-2)}
.switch-row span.sub{color:var(--ink-3);font-size:10px;display:block;letter-spacing:.04em}
.switch{
  width:34px;height:18px;border-radius:19px;background:#22262B;position:relative;
  transition:.18s;border:1px solid var(--line);flex:none;
}
.switch::after{
  content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:#6E6A61;
  top:2px;left:2px;transition:.18s;
}
.switch.on{background:rgba(201,169,97,.22);border-color:rgba(201,169,97,.5)}
.switch.on::after{left:18px;background:var(--accent)}

/* ---------------- 舞台 ---------------- */
.stage{display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden;background:
  radial-gradient(1200px 600px at 50% 0%,#171A1E 0%,#0B0C0E 62%)}
.stage-bar{
  height:42px;display:flex;align-items:center;gap:14px;padding:0 20px;
  border-bottom:1px solid var(--line-2);font-size:11px;color:var(--ink-3);letter-spacing:.1em;
  flex:none;
}
.stage-bar b{color:var(--ink-2);font-weight:500;letter-spacing:.06em;font-size:11.5px}
.stage-bar .sep{width:1px;height:12px;background:var(--line)}
.stage-bar .right{margin-left:auto;display:flex;gap:8px}

.inline-edit{
  position:absolute;display:none;z-index:30;resize:none;overflow:hidden;
  border:1px solid var(--accent);border-radius:2px;padding:2px 5px;margin:0;
  background:rgba(247,243,236,.985);color:#16130E;outline:none;
  font-family:"Songti SC","STSong",SimSun,serif;
  line-height:1.25;letter-spacing:.01em;
  box-shadow:0 10px 30px rgba(0,0,0,.5),0 0 0 3px rgba(201,169,97,.18);
  white-space:pre-wrap;word-break:break-word;
}
/* ---------------- 字体与特效面板 ---------------- */
.elchips{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:11px}
.elchip{
  border:1px solid var(--line);border-radius:2px;padding:4px 7px;font-size:10.5px;
  color:var(--ink-2);background:#0A0B0D;transition:.15s;
}
.elchip:hover{border-color:rgba(255,255,255,.26)}
.elchip.on{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.08)}
.segment{display:flex;gap:3px}
.segbtn{
  flex:1;border:1px solid var(--line);border-radius:2px;padding:4px 0;font-size:10px;
  color:var(--ink-3);background:#0A0B0D;text-align:center;transition:.15s;
}
.segbtn:hover{border-color:rgba(255,255,255,.24)}
.segbtn.on{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.08)}
.slider-row{display:flex;align-items:center;gap:8px}
.slider-row input[type=range]{
  flex:1;height:2px;-webkit-appearance:none;appearance:none;background:rgba(255,255,255,.16);
  border-radius:2px;outline:none;cursor:pointer;
}
.slider-row input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:10px;height:10px;border-radius:50%;background:var(--accent);
  border:none;cursor:pointer;
}
.mini{font-style:normal;font-family:var(--mono);font-size:9px;color:var(--ink-3);float:right;letter-spacing:.04em}
.mini-btn{
  border:1px solid var(--line);border-radius:2px;padding:1px 6px;font-size:9px;
  color:var(--ink-3);background:#0A0B0D;flex:none;
}
.mini-btn:hover{color:var(--ink);border-color:rgba(255,255,255,.26)}
.fx-title{font-size:9.5px;letter-spacing:.16em;color:var(--ink-3);margin:12px 0 7px;text-transform:uppercase}
.fx-chips{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:8px}
.fxchip{
  border:1px solid var(--line);border-radius:2px;padding:4px 8px;font-size:10.5px;
  color:var(--ink-3);background:#0A0B0D;transition:.15s;
}
.fxchip:hover{border-color:rgba(255,255,255,.24)}
.fxchip.on{border-color:#B23A2B;color:#E3B9AE;background:rgba(178,58,43,.13)}
.fx-params{border-left:1px solid rgba(255,255,255,.10);padding-left:10px;margin-bottom:8px}
.fx-row{display:flex;align-items:center;gap:6px;margin-bottom:5px;font-size:10px;color:var(--ink-3)}
.fx-row label{width:26px;flex:none;font-size:9.5px;color:var(--ink-3);letter-spacing:.04em}
.fx-row input[type=color]{
  width:24px;height:18px;padding:0;border:1px solid var(--line);background:none;
  border-radius:2px;cursor:pointer;flex:none;
}
.fx-row input[type=range]{
  flex:1;height:2px;-webkit-appearance:none;appearance:none;background:rgba(255,255,255,.16);
  border-radius:2px;outline:none;cursor:pointer;min-width:40px;
}
.fx-row input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:9px;height:9px;border-radius:50%;background:#B23A2B;border:none;
}
.fx-row .v{font-family:var(--mono);font-size:9px;color:var(--ink-3);width:26px;text-align:right;flex:none}

.save-box{margin:0 0 8px;padding:0 0 7px;border-bottom:1px solid var(--line-2)}
.save-line{display:flex;justify-content:space-between;align-items:baseline;font-size:10.5px;color:var(--ink-3);letter-spacing:.06em}
.save-line b{color:var(--ink-2);font-weight:500;max-width:168px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.save-line b.set{color:var(--accent)}
.save-btns{display:flex;gap:4px;margin-top:5px}
.save-btn{flex:1;border:1px solid var(--line);border-radius:2px;padding:5px 2px;font-size:10px;color:var(--ink-3);background:#0A0B0D;transition:.15s}
.save-btn:hover{border-color:rgba(255,255,255,.26);color:var(--ink-2)}
.save-btn.on{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.08)}
.last-export{display:none;margin:8px 0 0;padding:7px 9px;border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:2px;background:rgba(201,169,97,.06);font-size:10px;line-height:1.75;color:var(--ink-3);letter-spacing:.02em}
.last-export b{color:var(--ink);font-weight:500;word-break:break-all}
/* ---------------- 自定义尺寸专区 ---------------- */
#customGroup{border-top:1px solid rgba(201,169,97,.28);background:rgba(201,169,97,.03)}
.cs-top{display:flex;align-items:center;gap:11px;margin-bottom:11px;min-height:50px}
.cs-frame{
  border:1px solid var(--accent);background:rgba(201,169,97,.12);flex:none;
  box-shadow:0 0 0 3px rgba(201,169,97,.06);
}
.cs-info b{display:block;font-family:var(--mono);font-size:12.5px;color:var(--ink);letter-spacing:.02em}
.cs-info span{display:block;font-size:9px;color:var(--ink-3);letter-spacing:.12em;margin-top:2px}
.cs-info em{display:block;font-style:normal;font-family:var(--mono);font-size:9px;color:var(--accent);margin-top:1px}
.cs-row{display:flex;align-items:center;gap:4px;margin-bottom:6px}
.cs-lab{width:16px;flex:none;font-size:10px;color:var(--ink-3)}
.cs-btn{
  width:23px;height:25px;flex:none;border:1px solid var(--line);border-radius:2px;
  background:#0A0B0D;color:var(--ink-2);font-size:13px;line-height:1;transition:.12s;
}
.cs-btn:hover{border-color:var(--accent);color:var(--accent)}
.cs-input{
  width:100%;min-width:0;flex:1;background:#0A0B0D;border:1px solid var(--line);
  border-radius:2px;padding:4px 7px;font-family:var(--mono);font-size:12.5px;
  color:var(--ink);outline:none;transition:.15s;text-align:center;
}
.cs-input:focus{border-color:rgba(201,169,97,.65);background:#0D0F12}
.cs-input::-webkit-outer-spin-button,.cs-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.cs-unit{width:16px;flex:none;font-size:9px;color:var(--ink-3)}
.cs-row2{display:flex;align-items:center;gap:5px;margin:9px 0 4px;flex-wrap:wrap}
.cs-tag{
  border:1px solid var(--line);border-radius:2px;padding:3px 7px;font-size:9.5px;
  color:var(--ink-3);background:#0A0B0D;transition:.15s;
}
.cs-tag:hover{border-color:rgba(255,255,255,.26)}
.cs-tag.on{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.1)}
.cs-seg{display:flex;margin-left:auto;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.cs-seg button{padding:3px 9px;font-size:9.5px;color:var(--ink-3);background:#0A0B0D}
.cs-seg button.on{background:rgba(201,169,97,.16);color:var(--accent)}
.cs-sub{font-size:9px;letter-spacing:.15em;color:var(--ink-3);margin:11px 0 5px}
.cs-grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.cs-grid2{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.cs-grid6 button,.cs-grid2 button{
  border:1px solid var(--line);border-radius:2px;padding:4px 0;font-size:9.5px;
  color:var(--ink-3);background:#0A0B0D;font-family:var(--mono);transition:.15s;
}
.cs-grid6 button:hover,.cs-grid2 button:hover{border-color:rgba(255,255,255,.26);color:var(--ink-2)}

/* 自由排版工具条 */
.freebar{
  display:none;align-items:center;gap:10px;height:34px;padding:0 18px;flex:none;
  border-bottom:1px solid var(--line-2);background:rgba(178,58,43,.07);
  font-size:10.5px;color:var(--ink-3);letter-spacing:.05em;white-space:nowrap;overflow:hidden;
}
.fb-dot{width:5px;height:5px;border-radius:50%;background:#B23A2B;flex:none}
.fb-sel{color:var(--ink-3)}
.fb-sel.on{color:#E3B9AE}
.fb-btn{
  border:1px solid var(--line);border-radius:2px;padding:3px 9px;font-size:10.5px;
  color:var(--ink-2);background:#0E1013;transition:.15s;flex:none;
}
.fb-btn:hover:not(:disabled){border-color:rgba(255,255,255,.28);color:var(--ink)}
.fb-btn:disabled{opacity:.35;cursor:default}
.fb-tip{margin-left:auto;color:var(--ink-3);opacity:.75;font-size:10px}

.canvas-wrap{
  flex:1;display:flex;align-items:center;justify-content:center;padding:26px 26px 10px;min-height:0;
  overflow:hidden;position:relative;
}
.canvas-wrap canvas{
  display:block;flex:none;box-shadow:0 24px 70px rgba(0,0,0,.62),0 0 0 1px rgba(255,255,255,.06);
  background:#fff;
}
.stage-foot{
  padding:10px 20px 14px;font-size:10.5px;color:var(--ink-3);letter-spacing:.08em;
  display:flex;gap:18px;align-items:center;flex:none;
}
.stage-foot kbd{
  font-family:var(--mono);font-size:10px;background:rgba(255,255,255,.06);border:1px solid var(--line);
  padding:1px 5px;border-radius:2px;color:var(--ink-2);
}

/* ---------------- 右栏 ---------------- */
.inspector{border-left:1px solid var(--line);overflow-y:auto;background:#0C0E10;padding-bottom:175px;min-height:0}
.insp-tabs{
  display:flex;position:sticky;top:0;z-index:3;background:#0C0E10;
  border-bottom:1px solid var(--line);
}
.insp-tabs button{
  flex:1;padding:11px 0 10px;font-size:11.5px;letter-spacing:.12em;color:var(--ink-3);
  border-bottom:1px solid transparent;transition:.15s;
}
.insp-tabs button:hover{color:var(--ink-2)}
.insp-tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}
.insp-pane{display:none}
.insp-pane.on{display:block}
.group.sticky{position:sticky;bottom:0;background:#0C0E10;border-top:1px solid var(--line);box-shadow:0 -14px 26px rgba(0,0,0,.45);padding-bottom:14px}

/* 素材 */
.dropzone{
  border:1px dashed rgba(255,255,255,.18);border-radius:3px;padding:16px 10px;text-align:center;
  color:var(--ink-3);font-size:11px;letter-spacing:.06em;transition:.15s;line-height:1.7;
}
.dropzone:hover,.dropzone.over{border-color:var(--accent);color:var(--accent);background:rgba(201,169,97,.05)}
.dropzone b{display:block;color:var(--ink-2);font-size:11.5px;margin-bottom:2px;font-weight:500}
.thumbs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.thumb{position:relative;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:#000}
.thumb img{display:block;width:100%;height:74px;object-fit:cover;opacity:.95}
.thumb .focal{
  position:absolute;width:15px;height:15px;border:1.5px solid var(--accent);border-radius:50%;
  transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.5);
}
.thumb .num{
  position:absolute;left:4px;top:3px;font-family:var(--mono);font-size:9px;color:#fff;
  background:rgba(0,0,0,.55);padding:0 4px;border-radius:2px;letter-spacing:.06em;
}
.thumb .del{
  position:absolute;right:3px;top:3px;width:17px;height:17px;border-radius:2px;
  background:rgba(0,0,0,.6);color:#fff;font-size:11px;line-height:16px;text-align:center;
}
.thumb .del:hover{background:var(--accent-2)}
.thumb .name{
  position:absolute;left:0;right:0;bottom:0;font-size:9px;color:#DCD8CE;padding:2px 4px;
  background:linear-gradient(transparent,rgba(0,0,0,.8));white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 14px;border:1px solid var(--line);border-radius:2px;
  font-size:12px;letter-spacing:.06em;color:var(--ink);transition:.15s;background:#0A0B0D;
}
.btn:hover{border-color:rgba(255,255,255,.28);background:#101317}
.btn.primary{background:var(--paper);color:#111;border-color:var(--paper);font-weight:600}
.btn.primary:hover{background:#fff}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.btn-row{display:flex;gap:8px;margin-top:10px}
.btn-row .btn{flex:1}

.radio-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}
.radio{
  border:1px solid var(--line);border-radius:2px;padding:7px 4px;text-align:center;background:#0A0B0D;
}
.radio b{display:block;font-size:11.5px;font-weight:500}
.radio span{display:block;font-size:9px;color:var(--ink-3);margin-top:1px}
.radio.active{border-color:var(--accent);background:rgba(201,169,97,.08)}
.radio.active b{color:var(--accent)}
.readout{
  display:flex;justify-content:space-between;font-size:11px;color:var(--ink-3);
  padding:8px 0 0;letter-spacing:.04em;
}
.readout b{color:var(--ink-2);font-weight:500;font-family:var(--mono);font-size:11px}

/* ---------------- 规范 / 模板 / 导出 三个整页 ---------------- */
.page{width:100%;overflow-y:auto;padding:44px 6vw 70px}
.page-inner{max-width:1180px;margin:0 auto;width:100%}
.page h1{
  font-family:var(--serif);font-size:34px;font-weight:700;letter-spacing:.06em;margin:0 0 10px;
}
.page h1 small{font-family:var(--ui);font-size:11px;letter-spacing:.26em;color:var(--ink-3);margin-left:14px;vertical-align:3px}
.page .lead{color:var(--ink-2);font-size:13.5px;line-height:1.9;max-width:760px;margin:0 0 34px}
.sec{margin:0 0 46px}
.sec-h{
  display:flex;align-items:baseline;gap:12px;border-bottom:1px solid var(--line);
  padding-bottom:9px;margin-bottom:20px;
}
.sec-h b{font-size:14px;font-weight:600;letter-spacing:.1em}
.sec-h span{font-size:10.5px;letter-spacing:.22em;color:var(--ink-3)}

.theme-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.theme-card{border:1px solid var(--line);background:var(--panel);border-radius:3px;overflow:hidden}
.theme-card .sw{display:flex;height:74px}
.theme-card .sw i{flex:1;position:relative}
.theme-card .sw i em{
  position:absolute;left:6px;bottom:5px;font-size:9px;font-style:normal;letter-spacing:.06em;
  font-family:var(--mono);opacity:.85;
}
.theme-card .body{padding:13px 15px 15px}
.theme-card .body b{font-size:13px;letter-spacing:.06em}
.theme-card .body span{font-size:10px;letter-spacing:.2em;color:var(--ink-3);margin-left:8px}
.theme-card .body p{margin:6px 0 0;font-size:11.5px;color:var(--ink-2);line-height:1.7}
.theme-card .meta{display:grid;grid-template-columns:1fr 1fr;gap:3px 10px;margin-top:10px;font-size:9px;color:var(--ink-3);font-family:var(--mono);white-space:nowrap}

.type-table{border:1px solid var(--line);border-radius:3px;overflow:hidden}
.type-row{display:grid;grid-template-columns:132px 1fr;gap:20px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line-2)}
.type-row:last-child{border-bottom:none}
.type-row .k{font-size:10.5px;letter-spacing:.16em;color:var(--ink-3)}
.type-row .k em{display:block;font-style:normal;font-family:var(--mono);font-size:10px;color:var(--ink-3);opacity:.7;margin-top:3px}
.type-row .v{color:var(--ink)}

.grid-demo{display:flex;gap:26px;flex-wrap:wrap;align-items:flex-start}
.grid-demo canvas{border:1px solid var(--line);max-width:100%}

.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(256px,1fr));gap:20px}
.tpl-card{border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--panel);transition:.18s;text-align:left;padding:0}
.tpl-card:hover{transform:translateY(-3px);border-color:rgba(201,169,97,.5)}
.tpl-card canvas{display:block;width:100%;height:auto;background:#1a1a1a}
.tpl-card .cap{padding:11px 13px 13px}
.tpl-card .cap b{display:block;font-size:12.5px;font-weight:500}
.tpl-card .cap span{display:block;font-size:10px;color:var(--ink-3);letter-spacing:.1em;margin-top:3px}

table.spec{width:100%;border-collapse:collapse;font-size:12px}
table.spec th,table.spec td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line-2)}
table.spec th{font-size:10px;letter-spacing:.18em;color:var(--ink-3);font-weight:500}
table.spec td{color:var(--ink-2)}
table.spec td b{color:var(--ink);font-weight:500}
table.spec tr:hover td{background:rgba(255,255,255,.02)}

.note{font-size:11px;color:var(--ink-3);line-height:1.9;margin-top:12px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:12px;color:var(--ink-2)}
.kv b{color:var(--ink-3);font-weight:400;font-size:11px;letter-spacing:.1em}

.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(14px);
  background:var(--paper);color:#141414;padding:10px 18px;border-radius:2px;font-size:12.5px;
  letter-spacing:.06em;opacity:0;pointer-events:none;transition:.25s;z-index:99;
  box-shadow:0 10px 34px rgba(0,0,0,.5);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:1180px){
  #tab-studio.active{grid-template-columns:250px 1fr 280px}
  .page{padding:32px 22px 60px}
}
@media (max-width:900px){
  #tab-studio.active{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}
  .rail,.inspector{max-height:260px}
}