:root{
  --bg:#0b0d12;
  --bg-2:#11141b;
  --panel:#161a23;
  --panel-2:#1c212c;
  --line:#252b38;
  --line-2:#323a4b;
  --txt:#e8ecf4;
  --txt-2:#98a2b8;
  --txt-3:#646e83;
  --acc:#ff3b5c;
  --acc-2:#ff7a45;
  --blue:#3d8bff;
  --green:#22c58b;
  --yellow:#ffb020;
  --purple:#9b6bff;
  --grad:linear-gradient(135deg,#ff3b5c 0%,#ff7a45 100%);
  --grad-b:linear-gradient(135deg,#3d8bff 0%,#9b6bff 100%);
  --r:14px;
  --r-s:10px;
  --side-w:216px;
  --top-h:56px;
  --sh:0 8px 28px rgba(0,0,0,.42);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:14px;line-height:1.6;overflow:hidden;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--blue);text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#2a3140;border-radius:8px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 布局 ---------- */
#app{height:100%;display:flex;flex-direction:column}
.topbar{
  height:var(--top-h);flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(13,16,22,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);position:relative;z-index:30;
  padding-top:env(safe-area-inset-top);height:calc(var(--top-h) + env(safe-area-inset-top));
}
.tb-left{display:flex;align-items:center;gap:14px;min-width:0}
.logo{display:flex;align-items:center;gap:8px}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff}
.logo-text{font-weight:700;letter-spacing:.5px}
.page-title{color:var(--txt-2);font-size:13px;padding-left:14px;border-left:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  background:var(--panel);border:1px solid var(--line);border-radius:9px;height:32px;padding:0 10px;
  display:flex;align-items:center;gap:6px;cursor:pointer;font-size:12px;color:var(--txt-2);transition:.16s
}
.icon-btn:hover{border-color:var(--line-2);color:var(--txt)}
.sync-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.sync-dot.off{background:var(--yellow);box-shadow:0 0 8px var(--yellow)}

.sidebar{
  position:fixed;top:calc(var(--top-h) + env(safe-area-inset-top));left:0;bottom:0;width:var(--side-w);
  background:var(--bg-2);border-right:1px solid var(--line);display:flex;flex-direction:column;
  padding:12px 10px;z-index:20;overflow-y:auto
}
.nav{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-group{font-size:11px;color:var(--txt-3);padding:14px 10px 6px;letter-spacing:1px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--r-s);
  cursor:pointer;color:var(--txt-2);transition:.14s;font-size:13.5px;border:1px solid transparent
}
.nav-item:hover{background:var(--panel);color:var(--txt)}
.nav-item.active{background:var(--panel-2);color:#fff;border-color:var(--line-2)}
.nav-item.active .ni{filter:none;opacity:1}
.ni{width:18px;text-align:center;opacity:.85;font-size:15px}
.nav-item .badge{margin-left:auto;background:var(--acc);color:#fff;font-size:10px;border-radius:20px;padding:1px 6px}
.side-foot{padding:10px;border-top:1px solid var(--line);margin-top:8px}
.quota-row{display:flex;justify-content:space-between;font-size:11.5px;color:var(--txt-3);margin-bottom:6px}
.bar{height:5px;background:var(--panel);border-radius:5px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--grad);border-radius:5px}
.ver{font-size:11px;color:var(--txt-3);margin-top:10px;text-align:center}

.main{
  flex:1;overflow-y:auto;margin-left:var(--side-w);padding:20px 22px 60px;
  scroll-behavior:smooth;-webkit-overflow-scrolling:touch
}
.tabbar{display:none}

@media (max-width:900px){
  .sidebar{display:none}
  /* 更舒展的页面留白，缓解“紧凑难看” */
  .main{margin-left:0;padding:24px 18px calc(92px + env(safe-area-inset-bottom))}
  .page-title{display:none}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;
    background:rgba(15,18,25,.94);backdrop-filter:blur(18px) saturate(160%);
    border-top:1px solid var(--line);
    padding:9px 6px calc(11px + env(safe-area-inset-bottom))
  }
  .tab{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:7px 0;min-height:52px;
    color:var(--txt-3);font-size:11.5px;cursor:pointer;border-radius:12px;transition:.16s
  }
  .tab:active{background:rgba(255,255,255,.04)}
  .tab .ti{font-size:21px;line-height:1}
  .tab.active{color:var(--acc);background:rgba(255,59,92,.08)}
  .sync-text{display:none}

  /* 移动端组件级留白放大 */
  .card{padding:18px;border-radius:16px}
  .grid{gap:14px}
  .sec-title{margin:28px 0 14px}
  .h1{font-size:22px;letter-spacing:-.3px}
  .sub{margin:0 0 22px;line-height:1.7}
  .field{margin-bottom:16px}
  .row-grid{gap:14px}
  .voice-item{padding:12px;border-radius:12px}
  .vbody{padding:12px 13px 14px;gap:8px}
  .btn{padding:12px 18px;min-height:44px}
  .inp,textarea.inp,select.inp{padding:12px 14px}
  textarea.inp{min-height:96px}
  .stat{padding:16px;border-radius:16px}
  .empty{padding:56px 18px}
  .drop{padding:30px 18px}
  .steps{margin-bottom:22px}
  .tabbar ~ .main{} /* keep selector for clarity */
}

/* ---------- 通用组件 ---------- */
.page{animation:fade .26s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.h1{font-size:20px;font-weight:700;margin:0 0 4px}
.sub{color:var(--txt-2);font-size:13px;margin:0 0 18px}
.sec-title{display:flex;align-items:center;justify-content:space-between;margin:22px 0 12px}
.sec-title h2{font-size:15.5px;margin:0;font-weight:650;display:flex;align-items:center;gap:8px}
.sec-title h2::before{content:"";width:3px;height:14px;background:var(--grad);border-radius:3px}
.sec-title .more{font-size:12px;color:var(--txt-3);cursor:pointer}
.sec-title .more:hover{color:var(--acc)}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card.pad0{padding:0;overflow:hidden}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.gauto{grid-template-columns:repeat(auto-fill,minmax(212px,1fr))}
/* 视频复刻 step3：左侧换产品窄栏 + 右侧场景宽栏 */
.g-clone{grid-template-columns:.92fr 1.4fr}
.g-clone-stack{grid-template-columns:1fr;gap:14px;max-width:1100px;margin:0 auto}
@media (max-width:900px){.g-clone{grid-template-columns:1fr;gap:16px}.g3,.g4{grid-template-columns:repeat(2,1fr)}.gauto{grid-template-columns:repeat(2,1fr);gap:13px}.g-clone-stack{gap:16px}.t2v-grid{gap:13px}.t2v-pick{padding:9px;border-radius:16px}.t2v-thumb{border-radius:13px}}

/* Step3 换产品侧栏：行式布局（左 = 上传+缩略图 / 右 = 类目） */
.row-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
@media (max-width:640px){.row-grid{grid-template-columns:1fr}}
@media (max-width:420px){.g4{grid-template-columns:repeat(2,1fr)}}
/* 克隆中心：音色 / 数字人 列表项 */
.voice-list{display:flex;flex-direction:column;gap:10px}
.voice-item{display:flex;align-items:center;gap:12px;padding:10px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px}
.voice-icon{width:48px;height:48px;border-radius:10px;background:#1a2030;display:grid;place-items:center;font-size:22px;flex-shrink:0;overflow:hidden}
.voice-icon video,.voice-icon img{width:100%;height:100%;object-fit:cover}

/* 克隆中心数字人缩略图：可点击预览 */
.voice-icon.dh-thumb{cursor:pointer;position:relative;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s}
.voice-icon.dh-thumb.has-video:hover{transform:scale(1.08);box-shadow:0 4px 16px rgba(0,0,0,.4);z-index:1}
.voice-icon.dh-thumb:active{transform:scale(.96)}
.dh-play{position:absolute;inset:0;display:grid;place-items:center;font-size:16px;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6);background:rgba(0,0,0,.25);opacity:0;transition:opacity .2s;pointer-events:none}
.voice-icon.dh-thumb.has-video:hover .dh-play{opacity:1}
.voice-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.voice-info b{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.voice-item audio{height:32px;max-width:240px}
.voice-item .btn{flex-shrink:0}
.voice-item{flex-wrap:wrap}
.voice-acts{display:flex;gap:8px;flex-shrink:0;margin-left:auto;align-items:center;flex-wrap:wrap}
.voice-item audio{flex-shrink:1;min-width:140px}
/* 竖向选择器（产品类目 / 画面风格） */
.sel-list{display:flex;flex-wrap:wrap;gap:7px}
.sel-item{font-size:12.5px;padding:6px 12px;border-radius:20px;cursor:pointer;border:1px solid var(--line-2);color:var(--txt-2);background:var(--panel-2);transition:.16s;user-select:none}
.sel-item:hover{border-color:var(--line-3);color:var(--txt)}
.sel-item.active{background:rgba(255,59,92,.12);border-color:var(--acc);color:#ff8098;font-weight:600}

.btn{
  border:none;border-radius:var(--r-s);padding:9px 16px;cursor:pointer;font-weight:600;font-size:13px;
  background:var(--panel-2);color:var(--txt);border:1px solid var(--line-2);transition:.16s;display:inline-flex;
  align-items:center;justify-content:center;gap:6px
}
.btn:hover{background:#242b39}
.btn.primary{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 16px rgba(255,59,92,.25)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.blue{background:var(--grad-b);color:#fff;border-color:transparent}
.btn.ghost{background:transparent}
.btn.sm{padding:6px 11px;font-size:12px;border-radius:8px}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}

.inp,textarea.inp,select.inp{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-s);
  padding:10px 12px;outline:none;transition:.16s
}
.inp:focus{border-color:var(--acc);background:#12151d}
textarea.inp{resize:vertical;min-height:80px;line-height:1.7}
.label{font-size:12.5px;color:var(--txt-2);margin:0 0 6px;display:block}
.field{margin-bottom:14px}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.ds-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

/* 0 元免费数据源卡片（空态时置顶，引导用户不烧积分也能拿到真数） */
.ds-free-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:12px}
.ds-free{
  position:relative;display:block;padding:14px 14px 12px;border-radius:12px;
  background:linear-gradient(135deg,rgba(16,185,129,.06),rgba(16,185,129,.02));
  border:1.5px solid rgba(16,185,129,.28);color:var(--txt);text-decoration:none;
  transition:.18s;cursor:pointer
}
.ds-free:hover{border-color:rgba(16,185,129,.55);background:linear-gradient(135deg,rgba(16,185,129,.1),rgba(16,185,129,.04));transform:translateY(-1px)}
.ds-free-tag{
  position:absolute;top:10px;right:10px;font-size:11px;font-weight:700;color:#10b981;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.32);
  padding:2px 8px;border-radius:10px;letter-spacing:.5px
}
.ds-free-t{font-size:13.5px;font-weight:650;margin-bottom:4px;padding-right:42px}
.ds-free-h{font-size:12px;color:var(--txt-2);line-height:1.6}
.ds-paid{margin-top:4px}
.ds-paid summary{outline:none;user-select:none}
.ds-paid summary::-webkit-details-marker{display:none}

/* 空态时的 3 步免费路径引导 */
.empty-guide{
  margin-top:14px;padding:14px 16px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,193,7,.06),rgba(255,87,34,.04));
  border:1px solid rgba(255,193,7,.28);font-size:13.5px;line-height:1.9
}
.eg-step{margin:4px 0;color:var(--txt-2)}
.eg-step b{color:var(--txt);font-size:14px;margin-right:4px;font-weight:700}
.eg-step code{background:var(--panel);padding:1px 6px;border-radius:4px;font-size:12px;border:1px solid var(--line)}

/* 空态时把导入框加高亮边框，提示"这里就是入口" */
.inp-emph{
  border:2px solid rgba(16,185,129,.45) !important;
  box-shadow:0 0 0 4px rgba(16,185,129,.08);
  background:rgba(16,185,129,.02)
}
.inp-emph:focus{border-color:#10b981 !important;box-shadow:0 0 0 4px rgba(16,185,129,.16)}

/* 导入结果警告：全失败时贴在导入框下方，醒目 */
.import-warn{
  margin-top:10px;padding:12px 16px;border-radius:8px;
  background:rgba(244,67,54,.07);border:1px solid rgba(244,67,54,.3);
  font-size:13px;line-height:1.7
}
.import-warn b{color:#ff6b82}
.import-warn ul{padding-left:18px}
.import-warn code{background:var(--panel);padding:1px 6px;border-radius:4px;font-size:12px}

/* toast 颜色分级 */
.toast.ok{background:rgba(16,185,129,.92)}
.toast.warn{background:rgba(255,152,0,.94)}
.toast.error{background:rgba(244,67,54,.94)}
.chip{
  padding:6px 13px;border-radius:20px;background:var(--panel);border:1px solid var(--line);
  font-size:12.5px;color:var(--txt-2);cursor:pointer;transition:.14s;white-space:nowrap
}
.chip:hover{border-color:var(--line-2);color:var(--txt)}
.chip.active{background:rgba(255,59,92,.12);border-color:var(--acc);color:#ff8098}
.scroll-x{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.scroll-x::-webkit-scrollbar{height:0}

.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;background:var(--panel-2);color:var(--txt-2);border:1px solid var(--line)}
.tag.hot{background:rgba(255,59,92,.14);color:#ff7d95;border-color:rgba(255,59,92,.3)}
.tag.g{background:rgba(34,197,139,.13);color:#4fd6a5;border-color:rgba(34,197,139,.3)}
.tag.b{background:rgba(61,139,255,.13);color:#79b0ff;border-color:rgba(61,139,255,.3)}
.tag.y{background:rgba(255,176,32,.13);color:#ffc960;border-color:rgba(255,176,32,.3)}
.tag.p{background:rgba(155,107,255,.13);color:#b892ff;border-color:rgba(155,107,255,.3)}

.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.stat .k{font-size:12px;color:var(--txt-3)}
.stat .v{font-size:22px;font-weight:750;margin-top:4px;letter-spacing:-.5px}
.stat .d{font-size:11.5px;margin-top:2px}
.up{color:var(--acc)}.down{color:var(--green)}

/* 视频卡 */
.vcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.18s;display:flex;flex-direction:column}
.vcard:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--sh)}
a.vcard-link{display:block;text-decoration:none;color:inherit}
a.vcard-link .vcard.real{border-color:rgba(255,87,34,.35)}
a.vcard-link .vcard.real:hover{border-color:var(--grad);box-shadow:0 8px 24px rgba(255,87,34,.18)}
.vthumb{position:relative;aspect-ratio:3/4;background:linear-gradient(160deg,#1e2431,#141821);display:grid;place-items:center;overflow:hidden}
.vthumb .vcover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.vthumb .emoji{font-size:40px;opacity:.9}
.vthumb .rank{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);border-radius:7px;padding:2px 8px;font-size:12px;font-weight:750}
.vthumb .rank.top{background:var(--grad);color:#fff}
.vthumb .dur{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.65);border-radius:5px;padding:1px 6px;font-size:11px}
.vthumb .plays{position:absolute;bottom:8px;left:8px;font-size:11px;background:rgba(0,0,0,.65);border-radius:5px;padding:1px 6px}
.vbody{padding:10px 11px 12px;display:flex;flex-direction:column;gap:7px;flex:1}
.vtitle{font-size:13px;line-height:1.45;font-weight:560;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vtitle.cmm-title{display:flex;align-items:flex-start;gap:8px;min-width:0;overflow:visible;-webkit-line-clamp:unset}
.cmm-title-text{display:-webkit-box;flex:1;min-width:0;line-height:1.45;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.vmeta{display:flex;justify-content:space-between;font-size:11.5px;color:var(--txt-3);margin-top:auto}
.vtags{display:flex;gap:5px;flex-wrap:wrap}

/* 榜单行 */
.rank-list{display:flex;flex-direction:column}
.rank-row{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer;transition:.14s;align-items:center}
.rank-row:last-child{border-bottom:none}
.rank-row:hover{background:var(--panel-2)}
.rk{width:26px;height:26px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;font-size:12.5px;font-weight:750;background:var(--panel-2);color:var(--txt-2)}
.rk.n1{background:linear-gradient(135deg,#ff3b5c,#ff7a45);color:#fff}
.rk.n2{background:linear-gradient(135deg,#ff7a45,#ffb020);color:#fff}
.rk.n3{background:linear-gradient(135deg,#ffb020,#ffd66b);color:#3a2600}
.rposter{width:44px;height:58px;border-radius:8px;background:linear-gradient(160deg,#232a38,#151922);display:grid;place-items:center;font-size:21px;flex:0 0 auto;overflow:hidden;position:relative}
.rposter .vcover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rinfo{flex:1;min-width:0}
.rname{font-weight:620;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rdesc{font-size:11.5px;color:var(--txt-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.rside{text-align:right;flex:0 0 auto}
.rheat{font-weight:700;font-size:14px;color:var(--acc)}
.rlabel{font-size:10.5px;color:var(--txt-3)}

/* 步骤条 */
.steps{display:flex;gap:6px;margin-bottom:18px;overflow-x:auto;padding-bottom:4px}
.step{display:flex;align-items:center;gap:8px;padding:8px 13px;border-radius:var(--r-s);background:var(--panel);border:1px solid var(--line);white-space:nowrap;font-size:12.5px;color:var(--txt-3)}
.step .num{width:19px;height:19px;border-radius:50%;background:var(--panel-2);display:grid;place-items:center;font-size:11px;font-weight:700}
.step.done{color:var(--green);border-color:rgba(34,197,139,.3)}
.step.done .num{background:var(--green);color:#04160f}
.step.cur{color:#fff;border-color:var(--acc);background:rgba(255,59,92,.08)}
.step.cur .num{background:var(--grad);color:#fff}

/* 上传区 */
.drop{
  border:1.5px dashed var(--line-2);border-radius:var(--r);padding:26px 16px;text-align:center;
  cursor:pointer;transition:.16s;background:var(--bg-2)
}
.drop:hover{border-color:var(--acc);background:#141821}
.drop.has-files{border-color:var(--ok);border-style:solid;background:linear-gradient(180deg,rgba(34,197,94,.06),transparent 60%)}
.drop.has-files:hover{background:linear-gradient(180deg,rgba(34,197,94,.10),transparent 60%)}
.drop .di{font-size:30px;opacity:.7}
.drop .dt{font-size:13px;margin-top:8px}
.drop .dh{font-size:11.5px;color:var(--txt-3);margin-top:4px}

.thumbs{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.thumb{width:66px;height:66px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);display:grid;place-items:center;position:relative;font-size:22px;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .x{position:absolute;top:-5px;right:-5px;width:19px;height:19px;border-radius:50%;background:var(--acc);color:#fff;font-size:12px;display:grid;place-items:center;cursor:pointer;border:2px solid var(--panel)}
.thumb.add{border-style:dashed;cursor:pointer;color:var(--txt-3)}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{text-align:left;color:var(--txt-3);font-weight:500;padding:9px 10px;border-bottom:1px solid var(--line);font-size:11.5px;white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--panel-2)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}

/* 进度 */
.prog{height:6px;background:var(--panel-2);border-radius:6px;overflow:hidden;margin:8px 0}
.prog i{display:block;height:100%;background:var(--grad);width:0;transition:width .4s ease;border-radius:6px}
.task{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:var(--r-s);background:var(--panel);margin-bottom:9px}
.task .tic{width:38px;height:38px;border-radius:10px;background:var(--panel-2);display:grid;place-items:center;font-size:18px;flex:0 0 auto}
.task .tin{flex:1;min-width:0}

/* Modal */
.modal-root{position:fixed;inset:0;z-index:100;pointer-events:none}
.mask{position:absolute;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(3px);pointer-events:auto;animation:fade .2s}
.sheet{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(560px,92vw);max-height:86vh;overflow-y:auto;
  background:var(--panel);border:1px solid var(--line-2);border-radius:16px;padding:20px;pointer-events:auto;box-shadow:var(--sh);
  animation:pop .22s cubic-bezier(.2,.9,.3,1.2)
}
@keyframes pop{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@media (max-width:900px){
  .sheet{top:auto;bottom:0;transform:none;width:100%;max-height:88vh;border-radius:18px 18px 0 0;animation:up .26s ease;padding-bottom:calc(20px + env(safe-area-inset-bottom))}
  @keyframes up{from{transform:translateY(100%)}to{transform:none}}
  .sheet{left:0}
}
.sheet-h{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.sheet-h h3{margin:0;font-size:16px}
.sheet-h .x{cursor:pointer;color:var(--txt-3);font-size:20px;line-height:1}

/* Toast */
.toast-root{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
@media(min-width:901px){.toast-root{bottom:32px}}
.toast{background:rgba(32,38,50,.97);border:1px solid var(--line-2);color:#fff;padding:10px 18px;border-radius:22px;font-size:13px;box-shadow:var(--sh);animation:tin .24s}
@keyframes tin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.empty{text-align:center;padding:44px 16px;color:var(--txt-3)}
.empty .ei{font-size:38px;opacity:.5}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}
.kv:last-child{border-bottom:none}
.kv span{color:var(--txt-2)}
.hr{height:1px;background:var(--line);margin:14px 0;border:none}
.muted{color:var(--txt-3);font-size:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.spacer{flex:1}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.switch{width:40px;height:22px;border-radius:22px;background:var(--panel-2);border:1px solid var(--line-2);position:relative;cursor:pointer;transition:.18s;flex:0 0 auto}
.switch i{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--txt-3);transition:.18s}
.switch.on{background:rgba(255,59,92,.3);border-color:var(--acc)}
.switch.on i{left:20px;background:var(--acc)}

/* 溯源视频·解析中 spinner */
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.spinner-mini{display:inline-block;vertical-align:middle}

/* ============ 文生视频 · 数字人口播工作室（v25） ============ */
.t2v-hero{margin-bottom:4px}
.t2v-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.t2v-pick{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;background:#0e1219;transition:transform .2s cubic-bezier(.16,1,.3,1),border-color .2s,box-shadow .2s;padding:6px}
.t2v-pick:hover{transform:translateY(-3px)}
.t2v-pick.sel{border-color:var(--acc);box-shadow:0 0 0 2px rgba(99,102,241,.35)}
.t2v-pick.sel::after{content:"✓";position:absolute;top:6px;right:6px;width:20px;height:20px;border-radius:50%;background:var(--acc);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.t2v-thumb{width:100%;aspect-ratio:3/4;border-radius:10px;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center;font-size:34px}
.t2v-thumb video{width:100%;height:100%;object-fit:cover}
.t2v-vi{width:100%;aspect-ratio:1/1;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:30px;background:linear-gradient(135deg,#1b2230,#0e1219)}
.t2v-name{font-size:11.5px;margin-top:6px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t2v-summary{font-size:13px;color:var(--txt-2);margin-bottom:12px;text-align:center;line-height:1.7;padding:10px;background:rgba(255,255,255,.03);border-radius:10px;border:1px solid var(--line)}
.btn.lg{font-size:15px;padding:14px 18px}
.btn.block{width:100%;justify-content:center}