:root{
  --page-bg: #F5F3F8;
  --ink:#1a1a1a;
  --ink-2:#444448;
  --ink-3:#63616B;
  --line:rgba(26,26,26,.13);
  --line-strong:rgba(26,26,26,.28);
  --line-subtle:rgba(26,26,26,.07);
  --white:#fff;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --motion-fast:180ms;
  --motion-normal:260ms;
  --topbar-height:68px;
  --z-scene:0;
  --z-fades:10;
  --z-heading:20;
  --z-ui:40;
  --z-topbar:45;
  --z-modes:44;
  --z-intro:50;
  --z-dropdown:60;
  --z-drawer-backdrop:80;
  --z-drawer:90;
  --z-modal-backdrop:100;
  --z-modal:110;
  --z-toast:120;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --green:#1f8a4c;
  --red:#9f3d3d;
  --warn:#8a5a00;
  /* 字阶：全站唯一字号体系，禁止令牌之外的字号 */
  --fs-display:34px;
  --fs-2xl:26px;
  --fs-xl:20px;
  --fs-lg:17px;
  --fs-md:16px;
  --fs-base:14px;
  --fs-sm:13px;
  --fs-xs:12px;
  /* 间距与布局 */
  --sp-section:36px;
  --content-max:1400px;
  --pad-x:clamp(20px,3vw,48px);
  /* 旧变量别名（弹窗行内样式仍引用 --txt-*） */
  --txt:var(--ink);
  --txt-2:var(--ink-2);
  --txt-3:var(--ink-3);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scrollbar-color:#c9c6d4 var(--page-bg);scroll-behavior:smooth}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#c9c6d4;border-radius:4px}
body{
  background:var(--page-bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:var(--fs-base);line-height:1.5;min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
::selection{background:rgba(26,26,26,.14);color:var(--ink)}
a{color:var(--ink-2);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid rgba(26,26,26,.55);outline-offset:2px}
.ic{width:18px;height:18px;flex:none;vertical-align:-3px}
.ic-sm{width:14px;height:14px}
.dim{color:var(--ink-3)}
.mono{font-family:var(--mono)}
.skip-link{position:absolute;left:12px;top:-48px;z-index:200;display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border-radius:8px;background:#1a1a1a;color:#fff;font-size:var(--fs-sm);font-weight:600}
.skip-link:focus{top:10px}

/* ---------- Intro splash ---------- */
/* 视频原生 1280×724：宽度封顶原生尺寸，≥1280px 视口按 1:1 渲染（放大即糊）；
   底色取源视频背景采样 (#ebe8ee)，四周无缝衔接 */
.intro-splash{position:fixed;inset:0;z-index:var(--z-intro);background:#ebe8ee;display:flex;align-items:center;justify-content:center;overflow:hidden;pointer-events:none}
.intro-splash video{width:min(100%,1280px);height:auto;aspect-ratio:1280/724;max-height:100%;object-fit:contain;display:block}
.intro-splash.intro-hidden{display:none}

/* ---------- App frame ---------- */
#app{position:relative;z-index:1;flex:1;width:100%;min-height:100dvh;display:flex;flex-direction:column}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:var(--z-topbar);
  min-height:var(--topbar-height);
  padding:0 clamp(20px,3vw,48px);
  display:flex;align-items:center;gap:12px;
  background:linear-gradient(to bottom,rgba(245,243,248,.90),rgba(245,243,248,.45));
  border-bottom:1px solid rgba(26,26,26,.06);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.top-spacer{flex:1}
/* 移动端专用 Header 元素：桌面基线隐藏（mobile.css ≤719px 内启用） */
.m-only{display:none!important}
/* 桌面顶栏显式排序：页签 → 弹性空隙 → 用户入口（DOM 顺序服务移动端两行布局） */
.topbar .modes{order:1}
.topbar .top-spacer{order:2}
.topbar .user-pill{order:3}
.user-pill,.api-pill{
  min-height:38px;border:1px solid rgba(26,26,26,.16);border-radius:var(--radius-pill);
  background:rgba(245,243,248,.55);color:#333;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  display:inline-flex;align-items:center;gap:7px;padding:0 13px;cursor:pointer;white-space:nowrap;
  font-family:'Inter',sans-serif;transition:background-color 200ms,border-color 200ms,color 200ms;
}
/* 用户药丸与左侧页签胶囊（50px）视觉重量对齐：加高 + 悬停/按压反馈 */
.user-pill{min-height:42px}
.user-pill:hover,.api-pill:hover{border-color:rgba(26,26,26,.4)}
.user-pill:hover{background:rgba(26,26,26,.05)}
.user-pill:active{transform:translateY(1px)}
.user-pill .badge-plan{font-size:11px;font-family:var(--mono);font-weight:700;padding:1px 6px;border-radius:5px;background:transparent;border:1px solid rgba(26,26,26,.2);color:var(--ink-2)}
.user-pill.pro .badge-plan{background:#1a1a1a;color:#fff;border-color:#1a1a1a}
/* 余量与身份信息竖线分组：名字+PRO 是身份，余量是数据 */
.user-pill .quota-tag{font-family:var(--mono);font-size:var(--fs-xs);color:var(--ink-2);font-weight:600;padding-left:9px;border-left:1px solid rgba(26,26,26,.16)}
.user-pill .quota-tag.quota-low{color:var(--warn)}
.user-pill .quota-tag.quota-empty{color:var(--red)}
.api-pill .dot{width:7px;height:7px;border-radius:50%;background:#c0392b;flex:none}
.api-pill.ok .dot{background:#1f8a4c}
.api-pill .ms{font-family:var(--mono);font-size:11px;color:var(--ink-3)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--content-max);margin:0 auto;padding:0 0 16px;width:100%;flex:1;display:flex;flex-direction:column;min-height:0}
#panel-search .wrap-fix,#panel-vin .wrap-fix{padding:0}
#panel-catalog{padding:0}

/* ---------- Mode nav ---------- */
.modes{
  position:relative;z-index:var(--z-modes);
  width:fit-content;max-width:100%;min-width:0;flex:0 1 auto;
  margin:0;padding:4px;display:flex;gap:2px;
  border:1px solid rgba(26,26,26,.11);border-radius:var(--radius-pill);
  background:rgba(245,243,248,.74);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  overflow-x:auto;scrollbar-width:none;white-space:nowrap;
}
.modes::-webkit-scrollbar{display:none}
.mode{
  height:40px;padding:0 18px;border:0;border-radius:var(--radius-pill);background:transparent;
  color:rgba(26,26,26,.65);font-size:13.5px;font-weight:600;font-family:'Inter',sans-serif;
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;white-space:nowrap;flex:none;
  transition:background-color 200ms,color 200ms;
}
.mode .ic{width:14px;height:14px}
.mode:hover{color:var(--ink)}
.mode.active{background:#1a1a1a;color:#fff}
.mode .badge{font-size:11px;font-family:var(--mono);font-weight:600;color:inherit;opacity:.6;background:rgba(0,0,0,.06);border-radius:4px;padding:1px 5px}
.mode.active .badge{background:rgba(255,255,255,.18);opacity:1}
.panel{display:none}
.panel.active{display:flex;flex-direction:column;flex:1;min-height:0;animation:panelIn .2s ease-out}
@keyframes panelIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- Automotive hero ---------- */
.hero-automotive,#panel-search .hero-section,#panel-vin .hero-section{position:relative;overflow:hidden;background:var(--page-bg)}
#panel-search{position:relative;overflow:hidden;background:var(--page-bg)}
#panel-vin{position:relative;overflow:hidden;background:var(--page-bg)}
#search-hero,#vin-hero{position:relative;overflow:hidden;background:var(--page-bg)}
.hero-scene{position:absolute;inset:0;z-index:var(--z-scene);pointer-events:none}
.hero-scene picture{display:block;width:100%;height:100%}
/* 车身图常驻羽化遮罩：任何时刻四边都渐隐融入页面底色，不存在矩形接缝 */
.hero-scene-bg{width:100%;height:100%;object-fit:cover;object-position:center;display:block;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 55%,transparent 96%);
  mask-image:radial-gradient(ellipse at center,#000 55%,transparent 96%);
  -webkit-mask-repeat:no-repeat;-webkit-mask-position:center;-webkit-mask-size:100% 100%;
  mask-repeat:no-repeat;mask-position:center;mask-size:100% 100%;}
.hero-edge-top{position:absolute;top:0;left:0;right:0;height:96px;background:linear-gradient(to bottom,#F5F3F8,transparent);pointer-events:none;z-index:var(--z-fades)}
.hero-edge-bottom{position:absolute;bottom:0;left:0;right:0;height:180px;background:linear-gradient(to top,#F5F3F8 20%,transparent);pointer-events:none;z-index:var(--z-fades)}
.search-functional-layer{
  position:relative;z-index:var(--z-ui);
  min-height:0;
  display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  padding:44px var(--pad-x) 40px;
  max-width:var(--content-max);margin:0 auto;width:100%;
}
.automotive-heading{font-family:'Signate Grotesk Black',sans-serif;font-weight:900;letter-spacing:-.04em;text-transform:uppercase}
.hero-giant{
  display:flex;flex-direction:column;align-items:center;gap:0;
  margin:0 0 18px;max-width:100%;
  font-size:clamp(3.4rem,10vw,8.6rem);line-height:.82;color:#1a1a1a;
  pointer-events:none;user-select:none;
}
.hero-giant span{display:block}
.hero-headline{
  max-width:720px;margin:0;font-family:'Inter','PingFang SC',sans-serif;
  font-size:var(--fs-xl);line-height:1.15;letter-spacing:-.03em;font-weight:600;color:#1a1a1a;
}
.hero-headline-sm{font-size:var(--fs-2xl)}
.hero-subline{max-width:620px;margin-top:10px;font-size:15px;line-height:1.6;font-weight:400;color:rgba(26,26,26,.60)}

/* search kinds */
.search-kinds{display:inline-flex;align-items:center;gap:4px;width:fit-content;padding:4px;background:rgba(245,243,248,.74);border:1px solid rgba(26,26,26,.12);border-radius:999px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);margin:14px 0 0;max-width:100%;overflow-x:auto;scrollbar-width:none}
.search-kinds::-webkit-scrollbar{display:none}
.search-kinds button{height:38px;padding:0 16px;border:0;border-radius:999px;background:transparent;color:#444;font-size:var(--fs-sm);font-weight:600;font-family:'Inter',sans-serif;cursor:pointer;white-space:nowrap;flex:none;transition:background-color 200ms,color 200ms,transform 200ms}
.search-kinds button:hover{color:#1a1a1a}
.search-kinds button.on{background:#1a1a1a;color:#fff}

/* hero search bar */
.hero-search-wrap{position:relative;width:min(860px,100%);margin-top:10px;display:flex;flex-direction:column;align-items:center}
.hero-search-bar{
  width:min(920px,100%);min-height:76px;margin-top:10px;display:flex;align-items:center;gap:10px;
  padding:8px 8px 8px 8px;background:rgba(255,255,255,.88);
  border:1px solid rgba(26,26,26,.12);border-radius:22px;
  box-shadow:0 10px 40px rgba(20,18,28,.10);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  position:relative;text-align:left;transition:border-color 180ms,box-shadow 180ms;
}
.hero-search-bar .search-kinds{
  margin:0;flex:none;max-width:46%;
  background:rgba(26,26,26,.06);border:0;backdrop-filter:none;-webkit-backdrop-filter:none;
}
.hero-search-bar .search-kinds button{height:42px;padding:0 14px}
.hero-search-bar:focus-within{border-color:rgba(26,26,26,.45);box-shadow:0 10px 40px rgba(20,18,28,.10),0 0 0 3px rgba(26,26,26,.06)}
.hero-search-icon{width:22px;height:22px;display:grid;place-items:center;color:rgba(26,26,26,.65);flex:none}
.hero-search-icon .ic{width:20px;height:20px}
.field-hero{flex:1;min-width:0;min-height:40px;border:0;outline:0;background:transparent;color:#1a1a1a;font-size:18px;line-height:1.4;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.field-hero::placeholder{color:rgba(26,26,26,.5);font-family:'Inter',sans-serif;font-size:15px}
.btn-hero{
  flex:0 0 auto;height:54px;padding:0 28px;border:1px solid #1a1a1a;border-radius:16px;
  background:#1a1a1a;color:#fff;font-size:var(--fs-base);font-weight:600;letter-spacing:.02em;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;font-family:'Inter',sans-serif;
  transition:background-color 200ms,border-color 200ms,transform 200ms;
}
.btn-hero:hover{background:#333;border-color:#333}
.btn-hero:active{transform:translateY(1px)}
.btn-hero:disabled{opacity:.45;cursor:progress}
.btn-hero .ic{width:15px;height:15px}

/* disclosure */
/* 面板与上方搜索栏同宽（wrap 已是 min(860px,100%)）；text-align:center 让触发药丸
   在展开前后保持居中，消除展开瞬间药丸从中间跳到左上角的突兀感 */
.search-disclosure{margin-top:12px;width:100%;text-align:center}
.disclosure-trigger{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-sm);font-weight:600;color:var(--ink-3);cursor:pointer;user-select:none;list-style:none;background:rgba(245,243,248,.6);border:1px solid rgba(26,26,26,.1);border-radius:999px;padding:7px 14px;transition:color 200ms,border-color 200ms,background-color 200ms}
.disclosure-trigger::-webkit-details-marker{display:none}
.disclosure-trigger:hover{color:#1a1a1a;border-color:rgba(26,26,26,.25)}
/* 展开态触发器加深，给出明确的状态反馈 */
.search-disclosure[open]>.disclosure-trigger{color:#1a1a1a;border-color:rgba(26,26,26,.28);background:rgba(26,26,26,.06)}
.disclosure-chevron{transition:transform .2s ease}
.search-disclosure[open] .disclosure-chevron{transform:rotate(180deg)}
.disclosure-body{margin-top:10px;padding:16px 18px;background:#fff;border:1px solid rgba(26,26,26,.11);border-radius:18px;text-align:left;animation:disclosureIn 260ms cubic-bezier(.16,1,.3,1)}
@keyframes disclosureIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.disclosure-grid{display:flex;gap:18px;align-items:flex-end;flex-wrap:wrap}
.brand-wrap{flex:1 1 260px}
.field-label{display:block;font-size:var(--fs-xs);font-weight:600;color:var(--ink-3);margin-bottom:6px;letter-spacing:.03em}
.disclosure-checks{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:10px}
.hero-hint{margin-top:10px;font-size:var(--fs-xs);color:var(--ink-3);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-hint.center{justify-content:flex-start}
.hero-hint .k{font-family:var(--mono);color:var(--ink-2);background:rgba(26,26,26,.06);border-radius:4px;padding:1px 5px;font-size:var(--fs-xs)}
label.check{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-sm);color:var(--ink-2);cursor:pointer;user-select:none}
label.check input{accent-color:#1a1a1a;width:15px;height:15px;cursor:pointer}

/* has-results compact hero */
.hero-section.has-results{min-height:0;padding:8px var(--pad-x)}
.hero-section.has-results .hero-scene{display:none}
.hero-section.has-results .search-functional-layer{min-height:0;padding:0;max-width:none}
.hero-section.has-results .hero-giant,.hero-section.has-results .hero-headline,.hero-section.has-results .hero-subline{display:none}
.hero-section.has-results .search-kinds{margin-top:0}
.hero-section.has-results .hero-search-wrap{max-width:none;width:100%}
.hero-section.has-results .hero-search-bar{min-height:56px;margin-top:6px;border-radius:14px}
.hero-section.has-results .search-disclosure{margin-top:8px}
.hero-section.has-results .btn-hero{height:38px;border-radius:11px}

/* ---------- Hero intro choreography（开场转场，与 app.js revealContent 时序配合） ----------
   T+600  body.hero-scene-exit  车身自羽化状态向中心聚拢溶解，全程无边缘接缝
   T+1200 body.hero-reveal      主标题自中心绽放清晰，其余元素交错上浮
   T+1700                      结果区与页脚在车辆完全消失后跟上（hero-reveal 内 500ms 延迟）
   T+2400 body.reveal-settled   清理动画、彻底移除场景层（display:none，无痕）
   （基准为开场视频结束瞬间，splash 随即直接隐藏） */
body.hero-scene-exit .hero-scene-bg{
  /* 只动画 transform/opacity（合成器线程执行，零重绘不卡顿）：静态羽化遮罩不变，
     缩小+渐隐自然消散；mask-size/blur 会逐帧重绘大图导致缩放卡顿，禁用 */
  animation:sceneDissolve 900ms cubic-bezier(.45,.05,.7,.5) forwards;
  will-change:transform,opacity;
}
@keyframes sceneDissolve{
  0%{transform:scale(1);opacity:1}
  100%{transform:scale(.62);opacity:0}
}
body.reveal-settled .hero-scene{display:none}

/* 开场期间锁定：巨字、搜索条、结果区与页脚等待车辆溶解完毕后再入场 */
body.content-visible :is(.hero-giant,.hero-headline,.hero-subline,.search-kinds,.hero-search-bar,.search-disclosure,.result-stage,#vin-result,.foot-note){opacity:0}
body.hero-reveal .hero-giant{animation:giantBloom 700ms cubic-bezier(.16,1,.3,1) both}
body.hero-reveal .hero-headline{animation:heroRise 500ms cubic-bezier(.16,1,.3,1) 120ms both}
body.hero-reveal .hero-subline{animation:heroRise 500ms cubic-bezier(.16,1,.3,1) 220ms both}
body.hero-reveal .search-kinds{animation:none}
body.hero-reveal .hero-search-bar{animation:heroRise 550ms cubic-bezier(.16,1,.3,1) 420ms both}
body.hero-reveal .search-disclosure{animation:heroRise 500ms cubic-bezier(.16,1,.3,1) 560ms both}
body.hero-reveal :is(.result-stage,#vin-result,.foot-note){animation:heroRise 600ms cubic-bezier(.16,1,.3,1) 500ms both}
@keyframes heroBloom{
  from{opacity:0;transform:scale(.88);filter:blur(14px);clip-path:inset(-12% 30% -12% 30%)}
  to{opacity:1;transform:scale(1);filter:blur(0);clip-path:inset(-12% -2% -12% -2%)}
}
/* 巨字专属绽放：只动 transform/opacity（合成器执行）。
   巨字号上做 filter:blur / clip-path 逐帧重绘大文本，是开场缩放卡顿的主要来源之一 */
@keyframes giantBloom{
  from{opacity:0;transform:scale(.92)}
  to{opacity:1;transform:scale(1)}
}
@keyframes heroRise{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
body.content-visible.reveal-settled :is(.hero-giant,.hero-headline,.hero-subline,.search-kinds,.hero-search-bar,.search-disclosure,.result-stage,#vin-result,.foot-note){
  opacity:1;animation:none;clip-path:none;filter:none;transform:none;
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sk-row::after,.spin{animation:none}
  .drawer,.drawer-backdrop{transition:none}
  .modal,.toast,.panel.active{animation:none}
  body.hero-scene-exit .hero-scene-bg{
    animation:none;transform:none;filter:none;
    -webkit-mask-image:none;mask-image:none;
    opacity:0;transition:opacity 240ms ease;
  }
  body.content-visible :is(.hero-giant,.hero-headline,.hero-subline,.search-kinds,.hero-search-bar,.search-disclosure,.result-stage,#vin-result,.foot-note){opacity:1}
  body.hero-reveal :is(.hero-giant,.hero-headline,.hero-subline,.search-kinds,.hero-search-bar,.search-disclosure,.result-stage,#vin-result,.foot-note){animation:none}
  #search-results .tbl tbody tr,#cat-parts .tbl tbody tr{animation:none}
  tr.row-link .td-img img,tr.row-link .td-op .btn{transition:none}
  tr.row-link:hover .td-img img,tr.row-link:hover .td-op .btn{transform:none}
}

/* ---------- Result stage ---------- */
.result-stage{position:relative;z-index:var(--z-ui);background:var(--page-bg);padding:8px var(--pad-x) 12px;max-width:var(--content-max);margin:0 auto;width:100%;flex:1;display:flex;flex-direction:column;min-height:0}
#vin-result{position:relative;z-index:var(--z-ui);background:var(--page-bg);padding:8px var(--pad-x) 12px;max-width:var(--content-max);margin:0 auto;width:100%;flex:1;display:flex;flex-direction:column;min-height:0}
/* 状态框与上方搜索栏（min(860px,100%)）同宽；margin 用 auto 居中——
   注意 #vin-result > .state-box 是 ID 选择器，margin 写在这里才能盖住并居中 */
.result-stage > .state-box,#vin-result > .state-box{flex:1;width:min(860px,100%);display:flex;flex-direction:column;justify-content:center;align-items:center;margin:8px auto 0;min-height:220px}

/* ---------- Fields & buttons ---------- */
.field{width:100%;min-height:44px;padding:0 13px;background:#fff;border:1px solid rgba(26,26,26,.13);border-radius:12px;color:#1a1a1a;font-size:var(--fs-md);font-family:'Inter',sans-serif;transition:border-color 180ms,box-shadow 180ms,background-color 180ms}
.field::placeholder{color:rgba(26,26,26,.5)}
.field:focus{border-color:rgba(26,26,26,.45);box-shadow:0 0 0 3px rgba(26,26,26,.06)}
.field.mono{font-family:var(--mono);letter-spacing:.03em}
.field:disabled{opacity:.45;cursor:not-allowed}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:40px;padding:0 18px;border-radius:12px;font-size:var(--fs-sm);font-weight:600;font-family:'Inter',sans-serif;cursor:pointer;white-space:nowrap;transition:background-color 200ms,color 200ms,border-color 200ms,transform 200ms}
.btn:active{transform:translateY(1px)}
.btn .ic{width:15px;height:15px}
.btn-primary{background:#1a1a1a;color:#fff;border:1px solid #1a1a1a}
.btn-primary:hover{background:#333;border-color:#333}
.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost{border:1px solid rgba(26,26,26,.25);background:transparent;color:#1a1a1a}
.btn-ghost:hover{background:#1a1a1a;color:#fff;border-color:#1a1a1a}
.btn-sm{height:34px;padding:0 14px;font-size:var(--fs-sm);border-radius:9px}
.btn-block{width:100%}
.icon-btn{width:36px;height:36px;border-radius:8px;border:none;background:rgba(26,26,26,.06);color:var(--ink-2);cursor:pointer;display:grid;place-items:center;transition:background-color 200ms,color 200ms}
.icon-btn.copied{background:#1a1a1a;color:#fff}
.icon-btn:hover{background:#1a1a1a;color:#fff}

/* ---------- Live dropdown ---------- */
.live-box{position:relative}
.live-list{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:var(--z-dropdown);background:#fff;border:1px solid rgba(26,26,26,.10);border-radius:16px;box-shadow:0 18px 50px rgba(15,15,18,.14);max-height:360px;overflow-y:auto;padding:6px}
.live-item{display:flex;align-items:center;gap:12px;padding:9px 12px;cursor:pointer;border-radius:9px;border:none;width:100%;text-align:left;background:transparent;color:var(--ink);font:inherit;transition:background .1s}
.live-item:hover,.live-item.hi,.live-item:focus-visible{background:rgba(26,26,26,.05)}
.live-num{font-family:var(--mono);font-weight:600;font-size:14.5px;color:var(--ink)}
.live-brand{font-size:var(--fs-xs);color:var(--ink-2);font-weight:600;letter-spacing:.03em;margin-left:6px}
.live-name{font-size:var(--fs-sm);color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Cards & tables ---------- */
.card{border:1px solid rgba(26,26,26,.09);border-radius:20px;background:#fff;overflow:hidden;box-shadow:none}
.card-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 20px;border-bottom:1px solid var(--line-subtle);background:transparent}
.card-title{display:flex;align-items:center;gap:8px;font-weight:650;font-size:var(--fs-lg);letter-spacing:-.01em;color:#1a1a1a}
.card-title .ic{width:16px;height:16px}
.card-sub{font-size:var(--fs-xs);color:var(--ink-3)}
.card-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.btn-sort.on{background:#1a1a1a;color:#fff;border-color:#1a1a1a}
.card-body{padding:20px 22px}
.table-wrap{overflow-x:auto;border:none;background:transparent}
table.tbl{width:100%;border-collapse:collapse;min-width:780px}
.tbl th{position:sticky;top:0;z-index:2;font-size:var(--fs-xs);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:10px 14px;background:rgba(245,243,248,.9);border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line-subtle);vertical-align:middle;font-size:14.5px}
.tbl tbody tr:last-child td{border-bottom:none}
tr.row-link{cursor:pointer;transition:background .12s}
tr.row-link:hover{background:rgba(26,26,26,.035)}

/* ---------- 结果行错峰入场（仅结果容器，重渲染即重播） ---------- */
#search-results .tbl tbody tr:nth-child(-n+9),#cat-parts .tbl tbody tr:nth-child(-n+9){animation:rowIn var(--motion-normal) ease-out both}
@keyframes rowIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
#search-results .tbl tbody tr:nth-child(2),#cat-parts .tbl tbody tr:nth-child(2){animation-delay:.04s}
#search-results .tbl tbody tr:nth-child(3),#cat-parts .tbl tbody tr:nth-child(3){animation-delay:.08s}
#search-results .tbl tbody tr:nth-child(4),#cat-parts .tbl tbody tr:nth-child(4){animation-delay:.12s}
#search-results .tbl tbody tr:nth-child(5),#cat-parts .tbl tbody tr:nth-child(5){animation-delay:.16s}
#search-results .tbl tbody tr:nth-child(6),#cat-parts .tbl tbody tr:nth-child(6){animation-delay:.2s}
#search-results .tbl tbody tr:nth-child(7),#cat-parts .tbl tbody tr:nth-child(7){animation-delay:.24s}
#search-results .tbl tbody tr:nth-child(8),#cat-parts .tbl tbody tr:nth-child(8){animation-delay:.28s}
#search-results .tbl tbody tr:nth-child(9),#cat-parts .tbl tbody tr:nth-child(9){animation-delay:.32s}


/* ---------- 行 hover 提升（仅精确指针设备，避免触屏粘滞 hover） ---------- */
@media(hover:hover) and (pointer:fine){
  tr.row-link .td-img img{transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s cubic-bezier(.16,1,.3,1)}
  tr.row-link:hover .td-img img{transform:scale(1.08);box-shadow:0 4px 14px rgba(26,26,26,.14)}
  tr.row-link .td-op .btn{transition:transform .25s cubic-bezier(.16,1,.3,1),background-color 200ms,color 200ms,border-color 200ms}
  tr.row-link:hover .td-op .btn{transform:translateX(2px)}
}
.td-img{width:76px;padding:8px 10px;position:relative}
.td-img img{width:56px;height:56px;object-fit:contain;border-radius:10px;background:#fff;padding:4px;border:1px solid rgba(26,26,26,.07);display:block}
.img-ph{width:56px;height:56px;border-radius:10px;background:rgba(26,26,26,.05);border:1px solid rgba(26,26,26,.06);display:grid;place-items:center;color:var(--ink-3)}
.img-badge{position:absolute;bottom:6px;right:8px;background:rgba(26,26,26,.78);color:#fff;font-size:11px;font-family:var(--mono);line-height:1.2;padding:1px 4px;border-radius:4px;pointer-events:none}
.art-nr{font-family:var(--mono);font-weight:700;font-size:var(--fs-md);letter-spacing:-.01em;color:#1a1a1a;white-space:nowrap}
.found-via{font-size:var(--fs-xs);color:var(--ink-3);margin-top:2px}
.brand-cell{display:flex;align-items:center;gap:7px;min-width:110px;font-weight:600;color:var(--ink)}
.sup-logo{height:18px;max-width:50px;object-fit:contain;flex:none}
.td-name{max-width:260px}
.td-name .nm{display:flex;align-items:center;gap:6px;font-weight:500;color:var(--ink)}
.flag{height:12px;border-radius:2px;flex:none}
.td-cri{max-width:340px}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{display:inline-flex;align-items:center;gap:4px;max-width:220px;font-size:var(--fs-xs);font-family:var(--mono);color:var(--ink-2);background:rgba(26,26,26,.05);border:none;border-radius:5px;padding:2px 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip b{color:var(--ink);font-weight:600}
.chip.oem{background:rgba(26,26,26,.08);color:var(--ink)}
.chip.oem b{color:var(--ink)}
.td-op{text-align:right}
.td-op .btn{border-radius:999px}

/* ---------- Empty / loading ---------- */
.state-box{padding:28px 24px;text-align:center;color:var(--ink-3)}
/* 仅修饰状态框主图标；用直接子代选择器，避免污染内部按钮里的 .ic 图标 */
.state-box>.ic{width:30px;height:30px;margin-bottom:12px;color:rgba(26,26,26,.35)}
.state-box .t{font-size:var(--fs-lg);font-weight:600;color:#1a1a1a;margin-bottom:6px}
.state-box .d{font-size:var(--fs-base);color:var(--ink-3);max-width:480px;margin:0 auto;line-height:1.55}
.state-box.dashed{border:1px dashed rgba(26,26,26,.16);background:rgba(255,255,255,.6);border-radius:20px;margin:16px auto}
/* 错误态：红调虚线框 + 圆形徽章图标，与空态/引导态明确区分 */
.state-box.error{max-width:520px}
.state-box.dashed.error{border-color:rgba(159,61,61,.32);background:rgba(159,61,61,.04)}
.state-box.error>.ic{width:52px;height:52px;padding:13px;border-radius:50%;background:rgba(159,61,61,.1);color:var(--red);margin-bottom:14px}
.state-box.error .t{color:var(--red)}
.state-box.error .d{color:var(--ink-2)}
.state-box.error .btn-ghost{color:var(--red);border-color:rgba(159,61,61,.4);background:rgba(159,61,61,.04)}
.state-box.error .btn-ghost:hover{background:var(--red);border-color:var(--red);color:#fff}
.state-actions{margin-top:18px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.example-row{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:18px;font-size:var(--fs-sm);color:var(--ink-3)}
.example-chip{font-family:var(--mono);font-size:var(--fs-sm);font-weight:600;color:var(--ink);background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer;min-height:36px;transition:background-color 200ms,color 200ms,border-color 200ms}
.example-chip:hover{background:#1a1a1a;color:#fff;border-color:#1a1a1a}
/* 宽度对齐 state-box .d 的 480px 可读行宽，避免被文字撑成窄条；文字居中与空态/错误态一致 */
.loading-rows{width:min(480px,100%);padding:14px 20px;background:rgba(255,255,255,.6);border-radius:20px;margin:16px auto;border:1px solid var(--line-subtle);text-align:center}
.loading-rows .t{font-size:var(--fs-base);font-weight:600;color:var(--ink);padding:10px 0 2px}
.loading-rows .d{font-size:var(--fs-sm);color:var(--ink-3);padding:0 0 12px}
.sk-row{height:48px;border-radius:10px;margin:10px 0;background:rgba(26,26,26,.05);overflow:hidden;position:relative}
.sk-row::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);transform:translateX(-100%);animation:shimmer 1.2s infinite ease-in-out}
@keyframes shimmer{to{transform:translateX(100%)}}
.spin{width:14px;height:14px;border:2px solid rgba(26,26,26,.15);border-top-color:#1a1a1a;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Pager ---------- */
.pager{display:flex;align-items:center;gap:5px;justify-content:flex-end;padding:12px 18px;flex-wrap:wrap;border-top:1px solid var(--line-subtle)}
.pg-btn{min-width:36px;height:36px;padding:0 8px;border-radius:8px;background:transparent;border:none;color:var(--ink-2);font-size:13.5px;font-family:var(--mono);font-weight:500;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background-color 200ms,color 200ms}
.pg-btn:hover:not(:disabled){background:rgba(26,26,26,.06);color:var(--ink)}
.pg-btn:disabled{opacity:.25;cursor:not-allowed}
.pg-btn.cur{background:#1a1a1a;color:#fff;font-weight:700}
.pg-cur{font-size:var(--fs-sm);color:var(--ink-2);font-family:var(--mono);padding:0 6px}
.pg-total{font-size:var(--fs-sm);color:var(--ink-3);margin-right:auto}
.pg-ell{color:var(--ink-3);padding:0 2px}