/* ============================================================
   digi_person · 数字人口播视频工作流（无限画布）
   视觉基线：X Business —— 黑白为主 / 大留白 / 细描边 / 胶囊按钮
   ============================================================ */

:root{
  --bg:#ffffff;
  --surface:#f7f9f9;
  --surface2:#f0f3f4;
  --canvas:#fafafa;
  --border:#eff3f4;
  --border-strong:#d9dee3;
  --border-dashed:#c9d1d9;
  --text:#0f1419;
  --muted:#536471;
  --muted2:#8b98a5;
  --black:#0f1419;
  --blue:#1d9bf0;
  --blue-soft:#1d9bf014;
  --green:#067a46;
  --green-soft:#067a4614;
  --amber:#b7791f;
  --amber-soft:#b7791f14;
  --red:#d93025;
  --red-soft:#d9302514;
  --r-lg:16px;
  --r-md:10px;
  --r-sm:8px;
  --shadow:0 1px 2px rgba(15,20,25,.06),0 4px 12px rgba(15,20,25,.05);
  --shadow-lg:0 4px 12px rgba(15,20,25,.08),0 16px 40px rgba(15,20,25,.10);
  --h-top:52px;
  --h-status:34px;
  --w-right:328px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:13px;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
button,input,select,textarea{font-family:inherit;color:inherit}
button{cursor:pointer;border:none;background:none;transition:.15s}
button:active{transform:scale(.98)}
::selection{background:var(--blue-soft)}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#dfe3e8;border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#c6ccd4;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* ============================================================
   顶栏
   ============================================================ */
.top{
  height:var(--h-top);display:flex;align-items:center;gap:14px;padding:0 16px;
  border-bottom:1px solid var(--border);background:var(--bg);position:relative;z-index:60;
}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand .mark{
  width:26px;height:26px;border-radius:50%;background:var(--black);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.brand .name{font-size:14px;font-weight:600;letter-spacing:-.01em}
.brand .crumb{font-size:12px;color:var(--muted2);padding-left:9px;border-left:1px solid var(--border);margin-left:2px}

.top .spacer{flex:1}
.doc-pill{
  display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px 11px;
}
.doc-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--green)}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;font-size:12.5px;font-weight:600;padding:7px 15px;
  transition:.15s;white-space:nowrap;
}
.btn-primary{background:var(--black);color:#fff}
.btn-primary:hover{background:#2b333b}
.btn-ghost{border:1px solid var(--border-strong);color:var(--text);background:var(--bg)}
.btn-ghost:hover{background:var(--surface);border-color:var(--muted2)}
.btn-soft{background:var(--surface2);color:var(--text)}
.btn-soft:hover{background:#e7ebee}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#1a8cdb}
.btn-sm{padding:5px 11px;font-size:11.5px}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn .ic{font-size:13px;line-height:1}

/* ============================================================
   主布局
   ============================================================ */
.shell{display:flex;height:calc(100vh - var(--h-top));position:relative}

/* ============================================================
   画布
   ============================================================ */
.canvas-wrap{flex:1;position:relative;overflow:hidden;background:var(--canvas);min-width:0}
.canvas-wrap.grabbing{cursor:grabbing}
.canvas-wrap.linking{cursor:crosshair}

/* 点阵网格 */
.grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,#dfe3e8 1px,transparent 1px);
  background-size:22px 22px;
  background-position:var(--gx,0) var(--gy,0);
}

.world{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}
.edges{position:absolute;top:0;left:0;overflow:visible;pointer-events:none;width:1px;height:1px}
.edges path{fill:none;stroke:#c7ccd3;stroke-width:2;transition:stroke .15s}
.edges path.active{stroke:var(--black);stroke-width:2.5}
.edges path.flow{stroke-dasharray:5 5;animation:flow 1s linear infinite}
@keyframes flow{to{stroke-dashoffset:-20}}

.edge-hit{stroke:transparent;stroke-width:16;fill:none;pointer-events:stroke;cursor:pointer}

/* 画布浮动控件 */
.float-ctl{
  position:absolute;left:14px;bottom:14px;display:flex;align-items:center;gap:2px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border:1px solid var(--border);border-radius:999px;padding:3px;box-shadow:var(--shadow);z-index:20;
}
.float-ctl button{
  min-width:28px;height:28px;padding:0 8px;border-radius:999px;font-size:12px;color:var(--muted);
  display:flex;align-items:center;justify-content:center;
}
.float-ctl button:hover{background:var(--surface2);color:var(--text)}
.float-ctl .zoom{font-size:11.5px;font-variant-numeric:tabular-nums;min-width:46px;padding:0 4px}
.float-ctl .sep{width:1px;height:16px;background:var(--border);margin:0 3px}

.minimap{
  position:absolute;right:14px;bottom:14px;width:168px;height:104px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);
  z-index:20;overflow:hidden;
}
.minimap canvas{width:100%;height:100%;display:block;cursor:pointer}

/* ============================================================
   节点
   ============================================================ */
.node{
  position:absolute;width:250px;background:var(--bg);border:1px solid var(--border-strong);
  border-radius:var(--r-lg);box-shadow:var(--shadow);cursor:default;
  transition:box-shadow .15s,border-color .15s;
  user-select:none;-webkit-user-select:none;z-index:1;
}
.node:hover{box-shadow:var(--shadow-lg)}
.node.selected{border-color:var(--black);box-shadow:0 0 0 2px rgba(15,20,25,.10),var(--shadow-lg);z-index:10}
.node.dragging{
  z-index:30;cursor:grabbing;box-shadow:0 10px 28px rgba(15,20,25,.16),0 2px 6px rgba(15,20,25,.10);
  border-color:var(--black);
}
.node.dim{opacity:.55}
.node.running{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft),var(--shadow-lg)}
.node.done{border-color:#b9dfc9}

.node-head{display:flex;align-items:center;gap:8px;padding:11px 12px 0}
.node-head .ic{
  width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:12px;background:var(--surface2);flex-shrink:0;
}
.node-head .t{font-size:12.5px;font-weight:600;letter-spacing:-.005em}
.node-head .no{font-size:10px;color:var(--muted2);font-variant-numeric:tabular-nums;margin-left:auto}

.node-body{padding:9px 12px 12px}

.state{
  font-size:10px;font-weight:600;padding:2px 7px;border-radius:999px;
  background:var(--surface2);color:var(--muted);white-space:nowrap;
}
.state.run{background:var(--blue-soft);color:var(--blue)}
.state.ok{background:var(--green-soft);color:var(--green)}
.state.warn{background:var(--amber-soft);color:var(--amber)}
.state.err{background:var(--red-soft);color:var(--red)}

/* 端口 */
.port{
  position:absolute;width:11px;height:11px;border-radius:50%;background:var(--bg);
  border:2px solid var(--border-strong);cursor:crosshair;z-index:3;transition:.15s;
}
.port:hover,.port.hot{background:var(--blue);border-color:var(--blue);transform:scale(1.35)}
.port.in{left:-6px;top:22px}
.port.out{right:-6px;top:22px}
.port-label{
  position:absolute;font-size:9.5px;color:var(--muted2);white-space:nowrap;
  background:var(--bg);padding:0 4px;border-radius:4px;
}

/* 节点内部元素 */
.chips{display:flex;flex-wrap:wrap;gap:4px}
.chip{
  font-size:10px;padding:2.5px 7px;border-radius:999px;background:var(--surface);
  color:var(--muted);border:1px solid var(--border);white-space:nowrap;
}
.chip.hl{background:var(--black);color:#fff;border-color:var(--black)}
.chip.blue{background:var(--blue-soft);color:var(--blue);border-color:transparent}

.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
.thumb{
  aspect-ratio:1;border-radius:7px;border:1px solid var(--border);position:relative;overflow:hidden;
  background:linear-gradient(145deg,#eef1f4,#dfe4e9);
}
.thumb.pick{border-color:var(--black);box-shadow:0 0 0 2px rgba(15,20,25,.12)}
.thumb .tick{
  position:absolute;right:3px;top:3px;width:13px;height:13px;border-radius:50%;
  background:var(--black);color:#fff;font-size:8px;display:flex;align-items:center;justify-content:center;
}
.thumb .sc{
  position:absolute;left:0;right:0;bottom:0;background:rgba(15,20,25,.72);color:#fff;
  font-size:8.5px;text-align:center;padding:1.5px 0;font-variant-numeric:tabular-nums;
}
.thumb[data-pick]{cursor:pointer}
.thumb[data-pick]:hover{border-color:var(--black)}
.thumb .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:9px;color:var(--muted2);
}

.lib-box{display:flex;flex-direction:column;gap:5px;max-height:150px;overflow:auto}
.lib-item{
  border:1px solid var(--border);border-radius:var(--r-sm);padding:6px 8px;
  background:var(--surface);cursor:pointer;
}
.lib-item:hover{border-color:var(--black)}
.lib-n{font-size:11.5px;font-weight:600}

.kv{display:flex;justify-content:space-between;font-size:11px;padding:3px 0;color:var(--muted)}
.kv b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

.meter{height:4px;border-radius:4px;background:var(--surface2);overflow:hidden;margin-top:3px}
.meter i{display:block;height:100%;border-radius:4px;background:var(--green)}
.meter.mid i{background:var(--amber)}
.meter.low i{background:var(--red)}

.txt-preview{
  font-size:11px;line-height:1.65;color:var(--muted);background:var(--surface);
  border-radius:var(--r-sm);padding:8px 9px;border:1px solid var(--border);
  max-height:66px;overflow:hidden;
}
.txt-preview em{font-style:normal;color:var(--black);font-weight:600;background:#ffe9a8;border-radius:3px;padding:0 2px}
.txt-preview code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;color:var(--blue);background:var(--blue-soft);border-radius:3px;padding:0 3px}

.voice-row{display:flex;align-items:center;gap:8px}
.avatar-sm{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;
}
.play{
  width:24px;height:24px;border-radius:50%;background:var(--surface2);display:flex;
  align-items:center;justify-content:center;font-size:9px;color:var(--text);flex-shrink:0;
}
.play:hover{background:var(--black);color:#fff}
.play.playing{background:var(--black);color:#fff;animation:playPulse 1s ease-in-out infinite}
@keyframes playPulse{0%,100%{opacity:1}50%{opacity:.55}}

.cost{
  display:flex;align-items:baseline;gap:5px;padding:7px 9px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--border);
}
.cost .amt{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.cost .unit{font-size:10.5px;color:var(--muted2)}

.video-thumb{
  aspect-ratio:16/9;border-radius:var(--r-sm);border:1px solid var(--border);
  background:linear-gradient(145deg,#e9edf1,#d8dee4);position:relative;overflow:hidden;
}
.video-thumb .badge{
  position:absolute;left:6px;top:6px;background:rgba(15,20,25,.78);color:#fff;
  font-size:9px;padding:1.5px 6px;border-radius:999px;
}
.video-thumb .dur{
  position:absolute;right:6px;bottom:6px;background:rgba(15,20,25,.78);color:#fff;
  font-size:9px;padding:1.5px 6px;border-radius:999px;font-variant-numeric:tabular-nums;
}

.prog{height:3px;border-radius:3px;background:var(--surface2);overflow:hidden;margin-top:8px}
.prog i{display:block;height:100%;background:var(--blue);border-radius:3px;transition:width .4s}

.hint-line{font-size:10px;color:var(--muted2);margin-top:7px;line-height:1.55;display:flex;gap:5px}
.hint-line .ic{color:var(--amber);flex-shrink:0}

/* ============================================================
   右侧属性面板
   ============================================================ */
.right{
  width:var(--w-right);flex-shrink:0;background:var(--bg);border-left:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;z-index:50;
}
.right-head{padding:13px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px}
.right-head .ic{
  width:24px;height:24px;border-radius:7px;background:var(--surface2);display:flex;
  align-items:center;justify-content:center;font-size:12px;
}
.right-head h2{font-size:13px;font-weight:600}
.right-head .x{margin-left:auto;width:24px;height:24px;border-radius:6px;color:var(--muted2);font-size:15px}
.right-head .x:hover{background:var(--surface2);color:var(--text)}

.right-body{flex:1;overflow-y:auto;padding:14px 16px 30px}
.sec{margin-bottom:18px}
.sec-t{
  font-size:10.5px;font-weight:700;color:var(--muted2);letter-spacing:.08em;text-transform:uppercase;
  padding-bottom:7px;margin-bottom:11px;border-bottom:1px solid var(--border);
}
.fld{margin-bottom:13px}
.fld > label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:5px;font-weight:500}
.fld .row{display:flex;gap:8px}
.fld input[type=text],.fld input[type=number],.fld select,.fld textarea{
  width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:var(--r-sm);
  font-size:12.5px;background:var(--bg);outline:none;transition:.15s;
}
.fld textarea{resize:vertical;min-height:64px;line-height:1.6}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--black);box-shadow:0 0 0 3px rgba(15,20,25,.06)}
.fld .sub{font-size:10.5px;color:var(--muted2);margin-top:4px;line-height:1.5}
.two{display:grid;grid-template-columns:1fr 1fr;gap:9px}

.seg{display:flex;background:var(--surface2);border-radius:var(--r-sm);padding:2px;gap:2px}
.seg button{
  flex:1;padding:5px 6px;border-radius:6px;font-size:11.5px;color:var(--muted);font-weight:500;
}
.seg button.on{background:var(--bg);color:var(--text);box-shadow:0 1px 2px rgba(15,20,25,.10);font-weight:600}

.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.pick{
  border:1px solid var(--border);border-radius:var(--r-sm);padding:7px;font-size:11px;
  text-align:center;cursor:pointer;transition:.12s;color:var(--muted);
}
.pick:hover{border-color:var(--border-strong)}
.pick.on{border-color:var(--black);background:var(--surface);color:var(--text);font-weight:600}
.pick .sub{display:block;font-size:9.5px;color:var(--muted2);margin-top:2px;font-weight:400}
.pick.on .sub{color:var(--muted)}

.range{display:flex;align-items:center;gap:10px}
.range input[type=range]{flex:1;accent-color:var(--black)}
.range .val{font-size:11.5px;font-variant-numeric:tabular-nums;color:var(--muted);min-width:34px;text-align:right}

.toggle{display:flex;align-items:center;justify-content:space-between;font-size:12px}
.switch{width:34px;height:20px;border-radius:999px;background:var(--border-strong);position:relative;transition:.18s}
.switch.on{background:var(--black)}
.switch i{
  position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.18s;
  box-shadow:0 1px 2px rgba(0,0,0,.2);
}
.switch.on i{left:16px}

.voice-list{display:flex;flex-direction:column;gap:6px}
.voice-item{
  display:flex;align-items:center;gap:9px;padding:8px 9px;border:1px solid var(--border);
  border-radius:var(--r-sm);cursor:pointer;transition:.12s;
}
.voice-item:hover{border-color:var(--border-strong);background:var(--surface)}
.voice-item.on{border-color:var(--black);background:var(--surface)}
.voice-item .n{font-size:12px;font-weight:500}
.voice-item .m{font-size:10px;color:var(--muted2);margin-top:1px}
.voice-item .grow{flex:1;min-width:0}

.persona-card{border:1px solid var(--border);border-radius:var(--r-sm);padding:9px;display:flex;gap:9px;align-items:center}
.persona-card .ph{
  width:44px;height:44px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(145deg,#e8ecf0,#d5dbe1);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}

.marker-help{
  font-size:10.5px;color:var(--muted2);line-height:1.75;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 10px;
}
.marker-help code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;
  background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:0 4px;color:var(--text);
}

.warnbox{
  display:flex;gap:8px;padding:9px 10px;border-radius:var(--r-sm);font-size:11px;line-height:1.6;
  background:var(--amber-soft);color:#8a5a10;border:1px solid #f0dcb8;
}
.warnbox.blue{background:var(--blue-soft);color:#0b6ca8;border-color:#c3e4fa}
.warnbox .ic{flex-shrink:0}

/* ============================================================
   底部状态条
   ============================================================ */
.status{
  height:var(--h-status);background:var(--bg);border-top:1px solid var(--border);
  display:flex;align-items:center;gap:16px;padding:0 16px;font-size:11.5px;color:var(--muted);
  position:relative;z-index:60;
}
.status .item{display:flex;align-items:center;gap:6px}
.status .item b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.status .sep{width:1px;height:14px;background:var(--border)}
.status .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.qdot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.qdot.busy{background:var(--blue);animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* 空态 */
.empty{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:8px;color:var(--muted2);pointer-events:none;
}
.empty .t{font-size:13px;font-weight:600;color:var(--muted)}
.empty .d{font-size:11.5px}

/* 弹层 */
.mask{
  position:fixed;inset:0;background:rgba(15,20,25,.35);z-index:200;display:none;
  align-items:center;justify-content:center;backdrop-filter:blur(2px);
}
.mask.show{display:flex}
.modal{
  width:440px;background:var(--bg);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden;
}
.modal header{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px}
.modal header h3{font-size:14px;font-weight:600}
.modal .body{padding:16px 18px;max-height:60vh;overflow-y:auto}
.modal footer{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:var(--surface)}

/* ============================================================
   设置中心
   ============================================================ */
.doc-pill{cursor:pointer;font-family:inherit}
.doc-pill:hover{background:var(--surface2);border-color:var(--border-strong)}
.doc-pill.warn{border-color:#f0dcb8;background:var(--amber-soft);color:#8a5a10}
.doc-pill.warn .dot{background:var(--amber)}

.modal.wide{width:760px;max-width:94vw;height:min(700px,88vh);display:flex;flex-direction:column}
.modal.wide header{flex-shrink:0}
.modal.wide .x{width:28px;height:28px;border-radius:8px;color:var(--muted2);font-size:18px;line-height:1}
.modal.wide .x:hover{background:var(--surface2);color:var(--text)}

.set-wrap{display:flex;flex:1;min-height:0}
.set-nav{
  width:170px;flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);
  padding:10px 0;overflow-y:auto;
}
.set-nav button{
  display:flex;align-items:center;gap:9px;width:100%;padding:9px 14px;
  font-size:12.5px;color:var(--muted);text-align:left;
}
.set-nav button:hover{background:var(--bg);color:var(--text)}
.set-nav button.on{background:var(--bg);color:var(--text);font-weight:600;box-shadow:inset 2px 0 0 var(--black)}

.set-main{flex:1;min-width:0;display:flex;flex-direction:column}
.set-title{padding:16px 18px 0;flex-shrink:0}
.set-title h3{font-size:14.5px;font-weight:600}
.set-title p{font-size:11.5px;color:var(--muted2);margin-top:3px}
.set-body{flex:1;overflow-y:auto;padding:14px 18px 20px}

.set-foot{
  border-top:1px solid var(--border);padding:12px 18px;display:flex;align-items:center;
  gap:8px;background:var(--surface);flex-shrink:0;
}

.fld.pw{position:relative}
.fld.pw input{padding-right:58px}
.fld.pw .eye{
  position:absolute;right:4px;top:22px;font-size:11px;color:var(--muted);
  padding:4px 8px;border-radius:6px;
}
.fld.pw .eye:hover{background:var(--surface2);color:var(--text)}

.set-test{margin:0 18px 14px;padding:12px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--border)}
.set-test:empty{display:none}

.toast{
  position:fixed;left:50%;bottom:56px;transform:translate(-50%,12px);
  background:var(--black);color:#fff;font-size:12.5px;padding:9px 16px;border-radius:999px;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.22s;z-index:300;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============================================================
   顶栏「+ 节点」菜单
   ============================================================ */
.add-wrap{position:relative}
.add-menu{
  position:absolute;top:calc(100% + 8px);right:0;z-index:120;
  width:272px;max-height:64vh;overflow-y:auto;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);padding:6px;display:none;
}
.add-menu.show{display:block}
.add-group{margin-bottom:4px}
.add-group .g-title{
  font-size:10.5px;font-weight:700;color:var(--muted2);letter-spacing:.08em;
  text-transform:uppercase;padding:8px 10px 5px;
}
.add-item{
  display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;
  border-radius:var(--r-sm);text-align:left;transition:.12s;
}
.add-item:hover{background:var(--surface)}
.add-item .ic{
  width:24px;height:24px;border-radius:6px;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
}
.add-item .txt{display:flex;flex-direction:column;min-width:0}
.add-item .txt b{font-size:12.5px;font-weight:500}
.add-item .txt i{font-style:normal;font-size:10.5px;color:var(--muted2);margin-top:1px}

/* ============================================================
   参考图上传
   ============================================================ */
.ref-thumb{
  display:block;width:100%;max-height:110px;object-fit:cover;border-radius:var(--r-sm);
  border:1px solid var(--border);margin-top:8px;background:var(--surface2);
}
.upload-box{
  border:1.5px dashed var(--border-strong);border-radius:var(--r-md);padding:16px 12px;
  text-align:center;cursor:pointer;transition:.15s;background:var(--bg);
}
.upload-box:hover{border-color:var(--blue);background:var(--blue-soft)}
.upload-box .up-ic{font-size:20px;color:var(--muted2);margin-bottom:4px}
.upload-box .up-txt{font-size:12px;color:var(--muted)}
.upload-box.has{border-style:solid;padding:8px}
.upload-box.has img{width:100%;max-height:150px;object-fit:cover;border-radius:var(--r-sm);display:block}
.upload-box .up-meta{font-size:10.5px;color:var(--muted2);margin-top:6px}