@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

/* =========================================================
   鎏图 AI · Design Tokens
   Aesthetic: Baroque chiaroscuro × premium gold
   ========================================================= */
:root{
  --ink-900:#0A0807;
  --ink-850:#0E0B09;
  --ink-800:#130F0C;
  --ink-700:#1A1512;
  --ink-600:#221C17;

  --text:#F7F2E8;
  --text-2:#C6BCAE;
  --text-3:#8B8175;

  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);

  --gold:#E3B04B;
  --gold-2:#F8D68E;
  --gold-deep:#9C6F16;
  --wine:#8B1220;
  --wine-soft:rgba(139,18,32,.30);
  --ok:#57B47C;

  --glow:0 0 0 1px rgba(227,176,75,.22), 0 18px 50px -12px rgba(227,176,75,.28);
  --shadow:0 24px 60px -20px rgba(0,0,0,.75);
  --solid:rgba(14,11,9,.86);

  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:30px;
  --maxw:1220px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

[data-theme="light"]{
  --ink-900:#FBF9F6;
  --ink-850:#FFFFFF;
  --ink-800:#FFFFFF;
  --ink-700:#FFFFFF;
  --ink-600:#F3EEE6;

  --text:#14100D;
  --text-2:#57514A;
  --text-3:#807A72;

  --line:rgba(28,25,23,.12);
  --line-2:rgba(28,25,23,.22);
  --surface:rgba(255,255,255,.72);
  --surface-2:rgba(28,25,23,.035);

  --gold:#9A6C15;
  --gold-2:#B9862A;
  --gold-deep:#7A5510;
  --wine:#9B1C2B;
  --wine-soft:rgba(155,28,43,.10);

  --glow:0 0 0 1px rgba(154,108,21,.28), 0 16px 34px -14px rgba(154,108,21,.35);
  --shadow:0 20px 44px -22px rgba(28,25,23,.30);
}

/* =========================================================
   Base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
/* 兜底：body 上的 overflow-x:hidden 只能裁掉视觉滚动条，根元素仍会被撑宽。
   这里用 clip（而非 hidden）—— clip 不创建滚动容器，不会让内部 position:sticky 失效。 */
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s var(--ease), color .4s var(--ease);
}
/* Chiaroscuro: three dramatic light sources over deep ground */
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(880px 620px at 10% -8%, rgba(227,176,75,.17), transparent 62%),
    radial-gradient(760px 560px at 94% 4%, rgba(139,18,32,.22), transparent 64%),
    radial-gradient(1100px 780px at 50% 112%, rgba(227,176,75,.10), transparent 62%);
  transition:opacity .4s var(--ease);
}
[data-theme="light"] body::before{opacity:.5}
/* Film grain */
body::after{
  content:'';position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}
img,svg,canvas{display:block;max-width:100%}
/* hidden 属性必须压过组件自带的 display。
   `.x-prev{display:block}` 这类组件样式优先级与 [hidden] 相同但位置更靠后，
   于是"隐藏"的空状态图会以破图形态露出来（实测导出页首屏即中招）。 */
[hidden]{display:none !important}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:rgba(227,176,75,.32)}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* =========================================================
   Typography
   ========================================================= */
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.02em;font-weight:800;text-wrap:balance}
.t-display{font-size:clamp(2.6rem,5.4vw,4.4rem);letter-spacing:-.035em;line-height:1.04}
.t-h2{font-size:clamp(1.9rem,3.4vw,2.9rem);letter-spacing:-.03em}
.t-h3{font-size:clamp(1.15rem,1.6vw,1.4rem);letter-spacing:-.015em}
.t-body{color:var(--text-2);font-size:1.02rem;line-height:1.75}
.t-small{color:var(--text-3);font-size:.88rem}
.gold{
  background:linear-gradient(100deg,var(--gold-2),var(--gold) 45%,#C98C2E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  -webkit-text-fill-color:transparent;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{content:'';width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}

.section{padding:clamp(72px,9vw,130px) 0;position:relative;z-index:2}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin:18px 0 16px}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:650;font-size:.95rem;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease),
             background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
  white-space:nowrap;border:1px solid transparent;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 55%,#C98C2E);
  color:#1A1206;box-shadow:0 10px 30px -10px rgba(227,176,75,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(227,176,75,.7)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:var(--surface)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);background:var(--surface-2)}
.btn-quiet{color:var(--text-2);padding:10px 14px}
.btn-quiet:hover{color:var(--text)}
.btn-sm{padding:9px 17px;font-size:.86rem}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}

/* =========================================================
   Navbar (floating pill)
   ========================================================= */
.nav{
  position:fixed;top:16px;left:16px;right:16px;z-index:60;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  border:1px solid transparent;border-radius:999px;
}
.nav.solid{
  background:var(--solid);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-color:var(--line);box-shadow:0 12px 40px -18px rgba(0,0,0,.65);
}
.nav-in{
  max-width:var(--maxw);margin:0 auto;height:62px;
  display:flex;align-items:center;gap:22px;padding:0 8px 0 18px;
  position:relative;   /* 移动端抽屉以它为定位基准 */
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:1.06rem;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--gold-2),var(--gold) 50%,#8B1220);
  display:grid;place-items:center;box-shadow:0 6px 18px -6px rgba(227,176,75,.6);
}
.brand-mark svg{width:18px;height:18px;color:#1A1206}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.18em;color:var(--text-3);text-transform:uppercase;line-height:1;margin-top:3px}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-links .nav-cta{display:none}   /* 抽屉专用入口，仅移动端出现 */
.nav-links a{
  padding:8px 11px;border-radius:999px;font-size:.84rem;color:var(--text-2);font-weight:550;
  white-space:nowrap;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a.active{color:var(--gold);background:rgba(227,176,75,.10)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);background:var(--surface);
  transition:.2s var(--ease);
}
.icon-btn:hover{color:var(--gold);border-color:var(--gold)}
.icon-btn svg{width:17px;height:17px}
.nav-burger{display:none}

/* =========================================================
   Hero
   ========================================================= */
.hero{padding:clamp(120px,14vw,180px) 0 70px;position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.badge-pill{
  display:inline-flex;align-items:center;gap:9px;padding:7px 8px 7px 14px;
  border:1px solid var(--line);background:var(--surface);border-radius:999px;
  font-size:.82rem;color:var(--text-2);backdrop-filter:blur(10px);
}
.badge-pill b{color:var(--gold);font-weight:700}
.tag-new{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1A1206;
  font-size:.68rem;font-weight:800;letter-spacing:.08em;padding:3px 9px;border-radius:999px;
}
.hero h1{margin:24px 0 20px}
.hero-sub{font-size:clamp(1rem,1.3vw,1.12rem);color:var(--text-2);max-width:540px;margin:0 0 32px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;padding-top:30px;border-top:1px solid var(--line)}
.stat b{display:block;font-size:1.7rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:.8rem;color:var(--text-3)}

/* Hero visual: input card → 4 generated outputs */
.showcase{position:relative;padding:12px}
.showcase::before{
  content:'';position:absolute;inset:-14%;border-radius:50%;
  background:radial-gradient(circle at 50% 45%, rgba(227,176,75,.20), transparent 62%);
  filter:blur(12px);
}
.sc-frame{
  position:relative;border:1px solid var(--line);border-radius:var(--r-xl);
  background:linear-gradient(160deg,var(--ink-700),var(--ink-850));
  padding:20px;box-shadow:var(--shadow);backdrop-filter:blur(10px);
}
.sc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sc-dots{display:flex;gap:6px}
.sc-dots i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.sc-title{font-size:.78rem;color:var(--text-3);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.sc-body{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sc-input{
  border:1px dashed var(--line-2);border-radius:var(--r);padding:14px;
  background:var(--surface);display:flex;flex-direction:column;gap:12px;justify-content:center;align-items:center;
  min-height:190px;text-align:center;
}
.sc-input .ph{
  width:100%;height:88px;border-radius:12px;
  background:linear-gradient(135deg,rgba(227,176,75,.22),rgba(139,18,32,.28));
  display:grid;place-items:center;color:var(--gold);
}
.sc-input .ph svg{width:26px;height:26px}
.sc-chips{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.chip{
  font-size:.72rem;padding:4px 10px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--text-2);background:var(--surface);
}
.chip.on{border-color:var(--gold);color:var(--gold);background:rgba(227,176,75,.12)}
.sc-out{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sc-card{
  position:relative;border-radius:12px;overflow:hidden;aspect-ratio:1/1;
  border:1px solid var(--line);background:var(--ink-600);
  display:grid;place-items:center;
}
.sc-card .lb{
  position:absolute;left:0;right:0;bottom:0;padding:6px 8px;
  font-size:.66rem;font-weight:600;letter-spacing:.02em;text-align:center;
  background:linear-gradient(to top,rgba(0,0,0,.80),rgba(0,0,0,.25) 60%,transparent);color:#fff;
}
.sc-card .fill{position:absolute;inset:0}
.sc-f1{background:radial-gradient(circle at 50% 55%,#fff 0 42%,#ece6dc 42% 100%)}
.sc-f2{background:linear-gradient(150deg,#2A1E14,#0E0B09 70%)}
.sc-f3{background:linear-gradient(150deg,rgba(227,176,75,.30),rgba(139,18,32,.28)),#17110D}
.sc-f4{background:linear-gradient(160deg,#3B2A1C,#140F0C 65%)}
.sc-mock-dot{
  width:34%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#6b5a45,#241a12 70%);
  box-shadow:0 14px 26px -10px rgba(0,0,0,.8);
}
.sc-progress{
  margin-top:14px;height:5px;border-radius:999px;background:var(--surface-2);overflow:hidden;
}
.sc-progress i{
  display:block;height:100%;width:38%;border-radius:999px;
  background:linear-gradient(90deg,var(--gold-deep),var(--gold-2));
  animation:flow 3.4s var(--ease) infinite;
}
@keyframes flow{0%{width:8%}55%{width:82%}100%{width:8%}}

/* floating mini badges */
.float-badge{
  position:absolute;z-index:3;display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:.78rem;font-weight:600;
  background:color-mix(in srgb, var(--ink-800) 88%, transparent);
  border:1px solid var(--line-2);backdrop-filter:blur(14px);box-shadow:var(--shadow);
  animation:float 6s ease-in-out infinite;
}
.float-badge svg{width:15px;height:15px;color:var(--gold)}
.float-badge.b1{top:8%;left:-4%}
.float-badge.b2{bottom:16%;right:-5%;animation-delay:-2.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* =========================================================
   Logo marquee
   ========================================================= */
.marquee{
  position:relative;overflow:hidden;padding:26px 0;z-index:2;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;gap:56px;width:max-content;animation:slide 34s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.mq-item{
  display:flex;align-items:center;gap:9px;font-weight:700;font-size:.95rem;
  color:var(--text-3);letter-spacing:-.01em;white-space:nowrap;transition:color .2s;
}
.mq-item:hover{color:var(--text)}
.mq-item i{width:8px;height:8px;border-radius:2px;background:var(--gold);opacity:.6;flex:none}

/* =========================================================
   Cards / Bento
   ========================================================= */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);padding:26px;overflow:hidden;
  transition:transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.card::before{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .35s var(--ease);
  background:radial-gradient(420px 220px at var(--mx,50%) var(--my,0%), rgba(227,176,75,.12), transparent 70%);
  pointer-events:none;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:linear-gradient(140deg,rgba(227,176,75,.20),rgba(227,176,75,.05));
  border:1px solid rgba(227,176,75,.26);color:var(--gold);margin-bottom:18px;
}
.card-ico svg{width:21px;height:21px}
.card h3{margin-bottom:9px;font-size:1.08rem}
.card p{margin:0;color:var(--text-2);font-size:.92rem;line-height:1.7}
.card .meta{
  margin-top:16px;display:flex;gap:7px;flex-wrap:wrap;
}
.card .meta span{
  font-size:.7rem;padding:3px 9px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-3);
}
.span-3{grid-column:span 3}
.span-2{grid-column:span 2}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.card-tall{display:flex;flex-direction:column}
.card-tall .visual{
  margin-top:auto;padding-top:22px;
}

/* mini visuals inside cards */
.v-bars{display:flex;align-items:flex-end;gap:6px;height:64px}
.v-bars i{flex:1;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,var(--gold),rgba(227,176,75,.15));opacity:.85}
.v-langs{display:flex;gap:6px;flex-wrap:wrap}
.v-langs span{
  font-size:.72rem;padding:5px 11px;border-radius:8px;border:1px solid var(--line);
  color:var(--text-2);background:var(--surface-2);
}
.v-langs span.on{border-color:var(--gold);color:var(--gold);background:rgba(227,176,75,.10)}
.v-sizes{display:flex;align-items:flex-end;gap:10px}
.v-sizes i{display:block;border-radius:6px;border:1px solid var(--line-2);background:linear-gradient(160deg,rgba(227,176,75,.16),var(--surface))}
.v-sizes i:nth-child(2){border-color:var(--gold);background:linear-gradient(160deg,rgba(227,176,75,.30),rgba(227,176,75,.06))}
.v-frames{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;height:104px;align-items:end}
.v-frames i{display:block;border-radius:8px;border:1px solid var(--line);background:linear-gradient(160deg,var(--ink-600),var(--ink-800))}
.v-frames i:nth-child(1){height:74%}
.v-frames i:nth-child(2){height:100%}
.v-frames i:nth-child(3){height:88%;background:linear-gradient(160deg,rgba(227,176,75,.20),var(--ink-800))}

/* =========================================================
   Workflow steps
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);padding:26px 22px 24px;overflow:hidden;
}
.step::after{
  content:'';position:absolute;right:-1px;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,var(--line),transparent);
}
.step:last-child::after{display:none}
.step-no{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:.95rem;color:var(--gold);
  background:rgba(227,176,75,.10);border:1px solid rgba(227,176,75,.28);margin-bottom:16px;
}
.step h4{font-size:1rem;margin-bottom:8px}
.step p{margin:0;font-size:.88rem;color:var(--text-2);line-height:1.7}
.step .tip{
  margin-top:14px;font-size:.76rem;color:var(--text-3);
  padding-top:12px;border-top:1px dashed var(--line);
}

/* =========================================================
   Model gallery
   ========================================================= */
.model-bar{
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:22px;
}
.filter{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  font-size:.85rem;color:var(--text-2);background:var(--surface);transition:.22s var(--ease);
}
.filter:hover{border-color:var(--line-2);color:var(--text)}
.filter.active{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1A1206;border-color:transparent;font-weight:650}
.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:14px}
.model-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;background:var(--ink-700);cursor:pointer;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  aspect-ratio:3/4;
}
.model-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--glow)}
/* 首页展示条的真卡可聚焦（role=link），键盘用户必须看得见焦点落在哪 */
.model-card:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.model-card.selected{border-color:var(--gold);box-shadow:var(--glow)}
.model-card svg{position:absolute;inset:0;width:100%;height:100%}
.model-card .g{
  position:absolute;left:0;right:0;bottom:0;padding:22px 12px 11px;
  background:linear-gradient(to top,rgba(8,6,5,.92),transparent);
}
.model-card .g b{display:block;font-size:.82rem;font-weight:650}
.model-card .g span{font-size:.7rem;color:var(--text-3)}
.model-card .tick{
  position:absolute;top:9px;right:9px;width:22px;height:22px;border-radius:50%;
  background:var(--gold);color:#1A1206;display:none;place-items:center;
}
.model-card.selected .tick{display:grid}
.model-card .tick svg{position:static;width:13px;height:13px}

/* =========================================================
   Platform rules
   ========================================================= */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-bottom:36px}
.plat{
  border:1px solid var(--line);border-radius:var(--r);padding:20px;background:var(--surface);
  transition:.28s var(--ease);cursor:pointer;
}
.plat:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow)}
.plat.active{border-color:var(--gold);background:rgba(227,176,75,.07)}
.plat-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.plat-logo{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  font-weight:800;font-size:.82rem;color:#1A1206;flex:none;
}
.plat b{font-size:.98rem;display:block}
.plat small{font-size:.72rem;color:var(--text-3)}
.plat ul{margin:0;padding:0;list-style:none;display:grid;gap:7px}
.plat li{display:flex;justify-content:space-between;gap:10px;font-size:.78rem;color:var(--text-2)}
.plat li b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

.table-wrap{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.tbl-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:14px 18px;text-align:left;font-size:.86rem;border-bottom:1px solid var(--line)}
th{
  font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);font-weight:700;
  background:var(--surface-2);
}
tbody tr{transition:background .2s}
tbody tr:hover{background:var(--surface-2)}
tbody tr:last-child td{border-bottom:none}
td svg,th svg{width:18px;height:18px;vertical-align:middle}
td b{font-weight:650}
.pill{display:inline-block;font-size:.7rem;padding:3px 9px;border-radius:999px;font-weight:650}
.pill.g{background:rgba(87,180,124,.16);color:var(--ok)}
.pill.y{background:rgba(227,176,75,.16);color:var(--gold)}
.pill.r{background:rgba(139,18,32,.22);color:#E8808C}

/* =========================================================
   Templates
   ========================================================= */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.tpl{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink-700);
  cursor:pointer;transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.tpl:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow)}
.tpl-vis{position:relative;aspect-ratio:1;overflow:hidden}
.tpl-vis .bg{position:absolute;inset:0}
.tpl-vis .label{
  position:absolute;inset:auto 12px 12px;display:flex;align-items:center;justify-content:space-between;
  padding:7px 11px;border-radius:9px;background:rgba(8,6,5,.55);backdrop-filter:blur(8px);
  font-size:.74rem;color:#fff;
}
.tpl-vis .label b{font-weight:650}
.tpl-vis .use{
  position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;background:var(--gold);color:#1A1206;opacity:0;transform:scale(.8);
  transition:.26s var(--ease);
}
.tpl:hover .use{opacity:1;transform:scale(1)}
.tpl-vis .use svg{width:15px;height:15px}
.tpl-meta{padding:14px 16px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tpl-meta b{font-size:.9rem;display:block}
.tpl-meta span{font-size:.74rem;color:var(--text-3)}
.tpl-meta .hot{font-size:.7rem;color:var(--gold);border:1px solid rgba(227,176,75,.3);border-radius:999px;padding:2px 8px;white-space:nowrap}

/* =========================================================
   Pricing
   ========================================================= */
.switcher{
  display:inline-flex;align-items:center;gap:4px;padding:4px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);margin-bottom:44px;
}
.switcher button{
  padding:9px 20px;border-radius:999px;font-size:.87rem;font-weight:600;color:var(--text-2);transition:.22s var(--ease);
}
.switcher button.active{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1A1206}
.save-tag{font-size:.68rem;color:var(--gold);margin-left:6px}
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.plan{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);padding:28px 24px;transition:.3s var(--ease);display:flex;flex-direction:column;
}
.plan:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.plan.best{
  border-color:rgba(227,176,75,.45);
  background:linear-gradient(170deg,rgba(227,176,75,.10),var(--surface) 45%);
  box-shadow:var(--glow);
}
.plan.best:hover{border-color:var(--gold)}
.plan-ribbon{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1A1206;
  font-size:.68rem;font-weight:800;letter-spacing:.1em;padding:4px 14px;border-radius:999px;white-space:nowrap;
}
.plan h3{font-size:1.05rem;margin-bottom:6px}
.plan .desc{font-size:.82rem;color:var(--text-3);min-height:38px;margin:0 0 18px}
.plan .amt{display:flex;align-items:flex-end;gap:4px;margin-bottom:4px}
.plan .amt b{font-size:2.5rem;font-weight:800;letter-spacing:-.04em;line-height:1}
.plan .amt .cur{font-size:1.1rem;font-weight:700;margin-bottom:6px;color:var(--gold)}
.plan .amt .per{font-size:.82rem;color:var(--text-3);margin-bottom:7px}
.plan .orig{font-size:.78rem;color:var(--text-3);margin-bottom:20px;min-height:20px}
.plan .orig s{opacity:.7}
.plan ul{margin:0 0 24px;padding:0;list-style:none;display:grid;gap:11px;flex:1}
.plan li{display:flex;gap:10px;font-size:.86rem;color:var(--text-2);line-height:1.5}
.plan li svg{width:16px;height:16px;flex:none;color:var(--gold);margin-top:2px}
.plan li.off{color:var(--text-3);opacity:.55}
.plan li.off svg{color:var(--text-3)}
.price-note{text-align:center;margin-top:34px;color:var(--text-3);font-size:.85rem}

/* =========================================================
   FAQ
   ========================================================= */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.qa{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden;transition:border-color .25s}
.qa:hover{border-color:var(--line-2)}
.qa.open{border-color:rgba(227,176,75,.4)}
.qa-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-weight:650;font-size:.98rem;
}
.qa-q svg{width:18px;height:18px;flex:none;color:var(--gold);transition:transform .3s var(--ease)}
.qa.open .qa-q svg{transform:rotate(45deg)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.qa-a div{padding:0 22px 20px;color:var(--text-2);font-size:.92rem;line-height:1.8}

/* =========================================================
   CTA band + footer
   ========================================================= */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--r-xl);
  padding:clamp(44px,6vw,76px) 32px;text-align:center;
  background:
    radial-gradient(700px 380px at 20% 0%, rgba(227,176,75,.20), transparent 65%),
    radial-gradient(700px 380px at 85% 100%, rgba(139,18,32,.28), transparent 65%),
    var(--ink-800);
}
.cta-band h2{margin-bottom:16px}
.cta-band p{max-width:560px;margin:0 auto 30px;color:var(--text-2)}
.cta-band .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

footer{border-top:1px solid var(--line);margin-top:80px;padding:56px 0 40px;position:relative;z-index:2}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px;margin-bottom:40px}
.foot-col h5{font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);margin:0 0 16px;font-weight:700}
.foot-col a{display:block;font-size:.88rem;color:var(--text-2);padding:5px 0;transition:color .2s}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line);color:var(--text-3);font-size:.82rem}

/* =========================================================
   Studio (workbench)
   ========================================================= */
.view{display:none;animation:fade .4s var(--ease)}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.page-head{padding:clamp(110px,12vw,150px) 0 40px;position:relative;z-index:2}
.page-head h1{margin:14px 0 14px}
.page-head p{max-width:640px;margin:0;color:var(--text-2)}

.studio{display:grid;grid-template-columns:352px 1fr;gap:20px;align-items:start;padding-bottom:80px}
.panel{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  padding:22px;position:relative;
}
.panel + .panel{margin-top:16px}
.panel h4{font-size:.95rem;margin-bottom:4px;display:flex;align-items:center;gap:9px}
.panel h4 svg{width:16px;height:16px;color:var(--gold)}
.panel .hint{font-size:.78rem;color:var(--text-3);margin:0 0 16px}

.drop{
  border:1.5px dashed var(--line-2);border-radius:var(--r);padding:26px 18px;text-align:center;
  background:var(--surface-2);cursor:pointer;transition:.25s var(--ease);position:relative;overflow:hidden;
}
.drop:hover,.drop.over{border-color:var(--gold);background:rgba(227,176,75,.07)}
.drop svg{width:26px;height:26px;color:var(--gold);margin:0 auto 10px}
.drop b{display:block;font-size:.9rem;margin-bottom:4px}
.drop span{font-size:.76rem;color:var(--text-3)}
.drop.has{padding:0;border-style:solid;border-color:var(--line)}
.drop.has img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:calc(var(--r) - 2px)}
.drop .replace{
  position:absolute;inset:auto 10px 10px;padding:7px;border-radius:9px;
  background:rgba(8,6,5,.66);backdrop-filter:blur(8px);font-size:.76rem;color:#fff;
}

.field{margin-bottom:16px}
.field label{display:block;font-size:.78rem;color:var(--text-2);margin-bottom:8px;font-weight:600}
.input,textarea.input,select.input{
  width:100%;padding:11px 14px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--text);font-size:.9rem;transition:.2s var(--ease);
}
.input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(227,176,75,.14)}
textarea.input{resize:vertical;min-height:78px;line-height:1.6}
.chips-in{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}
.chips-in button{
  font-size:.76rem;padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  color:var(--text-2);transition:.2s var(--ease);
}
.chips-in button:hover{border-color:var(--gold);color:var(--gold)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{
  flex:1;min-width:74px;padding:9px 8px;border-radius:10px;border:1px solid var(--line);
  font-size:.8rem;color:var(--text-2);background:var(--surface-2);transition:.2s var(--ease);
}
.seg button:hover{border-color:var(--line-2);color:var(--text)}
.seg button.on{border-color:var(--gold);color:var(--gold);background:rgba(227,176,75,.10);font-weight:650}
.quota{margin-top:14px}
.quota .bar{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.quota .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold-deep),var(--gold-2));border-radius:999px;transition:width .6s var(--ease)}
.quota small{display:flex;justify-content:space-between;font-size:.73rem;color:var(--text-3);margin-top:7px}

.results{min-height:520px}
.res-top{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-bottom:18px;flex-wrap:wrap;
}
.res-top .l b{font-size:1.02rem}
.res-top .l span{font-size:.8rem;color:var(--text-3);display:block}
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rcard{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink-700);
  transition:.3s var(--ease);
}
.rcard:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.rcard .img{position:relative;aspect-ratio:1;background:var(--ink-800);overflow:hidden}
.rcard .img canvas{width:100%;height:100%;display:block}
.rcard .bar{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.rcard .bar b{font-size:.88rem}
.rcard .bar span{font-size:.73rem;color:var(--text-3)}
.rcard .bar .acts{display:flex;gap:6px}
.rcard .bar .acts button{
  width:30px;height:30px;border-radius:9px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);transition:.2s var(--ease);
}
.rcard .bar .acts button:hover{border-color:var(--gold);color:var(--gold)}
.rcard .bar .acts svg{width:14px;height:14px}
.skeleton{position:absolute;inset:0;overflow:hidden;background:var(--ink-800)}
.skeleton::after{
  content:'';position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(227,176,75,.13),transparent);
  animation:sweep 1.5s infinite;
}
@keyframes sweep{to{transform:translateX(100%)}}
.ph-empty{
  border:1px dashed var(--line-2);border-radius:var(--r);padding:70px 30px;text-align:center;
  background:var(--surface);grid-column:1/-1;
}
.ph-empty svg{width:38px;height:38px;color:var(--text-3);margin:0 auto 16px;opacity:.6}
.ph-empty b{display:block;margin-bottom:6px}
.ph-empty p{margin:0;color:var(--text-3);font-size:.88rem}

/* listing output */
.listing{border:1px solid var(--line);border-radius:var(--r);background:var(--ink-700);padding:18px;margin-top:16px}
.listing .lrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.listing .lrow b{font-size:.9rem}
.listing pre{
  margin:0;font-size:.84rem;line-height:1.75;color:var(--text-2);white-space:pre-wrap;
  font-family:'Inter',ui-monospace,SFMono-Regular,Menlo,monospace;
}
.lang-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.lang-row button{
  font-size:.76rem;padding:5px 12px;border-radius:8px;border:1px solid var(--line);color:var(--text-2);transition:.2s
}
.lang-row button:hover{border-color:var(--gold);color:var(--gold)}
.lang-row button.on{border-color:var(--gold);color:#1A1206;background:var(--gold);font-weight:650}

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,24px);z-index:200;
  padding:12px 22px;border-radius:999px;font-size:.88rem;font-weight:600;
  background:var(--ink-700);border:1px solid var(--gold);color:var(--text);
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.32s var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =========================================================
   Responsive
   ========================================================= */
/* 桌面导航密度分级。
   导航项加到 13 个（新增「批量出图 / 尺寸导出」）之后，1440px 下顶栏也会
   挤到出屏 —— 实测「3D 建模」之后的入口被推到视口外，用户点不到。
   这里做的是"逐级压缩"而不是"隐藏链接"：卖家要能从顶栏直达每个功能，
   把链接藏起来比排版难看严重得多。 */
@media (max-width:1520px){
  .nav-in{gap:14px}
  .nav-links{gap:2px;margin-left:6px}
  .nav-links a{padding:8px 9px;font-size:.8rem}
}
@media (max-width:1330px){
  .brand small{display:none}
  .nav-links a{padding:7px 7px;font-size:.775rem}
  .nav-actions{gap:6px}
  .nav-actions .member-tag{display:none}
}
@media (max-width:1180px){
  .nav-links a{padding:7px 5px;font-size:.75rem}
  .nav-actions .btn-ghost{padding:7px 10px}
}
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .bento{grid-template-columns:repeat(4,1fr)}
  .span-3,.span-2,.span-4{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .price-grid{grid-template-columns:repeat(2,1fr)}
  .studio{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  /* ⚠️ 移动端导航：这里曾经是个致命缺陷。
     .nav-actions 里有 6 个元素（专业版胶囊 / AI状态 / 主题 / 进入工作台 / 免费试用 / 汉堡），
     移动端一个都没裁，把整个 flex 行撑破 —— 实测汉堡按钮被推到 599~628px，
     而 390px 视口只有 ~492px，用户**根本点不到菜单**，等于全站无法导航。
     解法：把非核心项收进抽屉，只留「主题 + 汉堡」（560px 以下连转化按钮也收起）。 */
  /* .nav 是 left:16px/right:16px 的浮层，可用宽度本就被砍掉 32px，
     再叠加 .nav-in 的左右内边距与 195px 宽的 brand，必然撑破 —— 三处一起收。 */
  .nav{left:10px;right:10px}
  .nav-in{gap:10px;padding:0 6px 0 12px}
  .brand small{display:none}       /* 移动端省掉 "LIUTU · DESIGN STUDIO"，brand 195px → ~105px */
  .nav-actions{gap:6px}
  .nav-actions .member-tag{display:none}
  .nav-actions .ai-badge{display:none}
  .nav-actions .btn-ghost{display:none}        /* 进入工作台 → 收进抽屉，抽屉里有完整导航 */
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    padding:12px;border-radius:20px;border:1px solid var(--line);
    /* 原来只用 --ink-800 半透明底，后面的正文会透出来（实测能看到 hero 文字穿过菜单）。
       改成实底 + 模糊，菜单是浮层，必须挡住底下内容。 */
    background:var(--ink-900);
    backdrop-filter:blur(24px) saturate(140%);
    -webkit-backdrop-filter:blur(24px) saturate(140%);
    box-shadow:0 24px 60px -20px rgba(0,0,0,.85);
    z-index:70;
  }
  .nav-links.open{display:flex}
  /* 触控目标：移动端可点区域不小于 44×44（iOS HIG 标准），
     原来 38×38 的图标按钮和偏矮的抽屉链接都点不准 */
  .nav-links a{padding:12px 16px;border-radius:12px;min-height:46px;display:flex;align-items:center}
  .nav-burger{display:grid;width:44px;height:44px}
  .nav-actions .icon-btn{width:44px;height:44px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .span-6,.span-4,.span-3,.span-2{grid-column:span 2}
  .res-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .float-badge{display:none}
}
@media (max-width:560px){
  /* 小屏再收一步：只保留主题切换 + 菜单，转化按钮移进抽屉避免挤压 */
  .nav-actions .btn-primary{display:none}
  .nav-links .nav-cta{display:block}           /* 抽屉里的「免费试用」入口 */
  .wrap{padding:0 16px}
  .bento{grid-template-columns:1fr}
  .span-6,.span-4,.span-3,.span-2{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .price-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .sc-body{grid-template-columns:1fr}
  .panel{padding:18px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* =========================================================
   AI 引擎 · 徽标 / 结果标记 / 引擎选择 / 比价模块
   ========================================================= */
.ai-badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--surface);
  font-size:.72rem;font-weight:600;color:var(--text-3);white-space:nowrap;
  transition:border-color .25s,color .25s,background .25s;
}
.ai-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--text-3);flex:none;transition:.25s}
.ai-badge.on{color:var(--gold);border-color:rgba(227,176,75,.42);background:rgba(227,176,75,.08)}
.ai-badge.on .dot{background:var(--ok);animation:aiPulse 2.2s var(--ease) infinite}
@keyframes aiPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(87,180,124,.20)}
  50%{box-shadow:0 0 0 7px rgba(87,180,124,0)}
}
@media(max-width:960px){ .ai-badge .ai-txt{display:none} .ai-badge{padding:7px 8px} }

.ai-tag{
  font-size:.6rem;font-weight:800;letter-spacing:.08em;color:var(--gold);
  border:1px solid rgba(227,176,75,.45);border-radius:5px;
  padding:1px 5px;background:rgba(227,176,75,.10);margin-right:2px;
}

.chk{
  display:flex;align-items:center;gap:8px;margin-top:10px;
  font-size:.76rem;color:var(--text-2);cursor:pointer;user-select:none;
}
.chk input{width:15px;height:15px;accent-color:#E3B04B;cursor:pointer;flex:none}

.vs-meitu{
  margin:44px 0 26px;padding:24px 26px 18px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);
}
.vm-head{display:flex;align-items:center;gap:9px;margin-bottom:18px;color:var(--gold)}
.vm-head svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;flex:none}
.vm-head b{font-size:.98rem;color:var(--text);letter-spacing:-.01em}
.vm-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:stretch}
.vm-col{
  border:1px solid var(--line);border-radius:14px;padding:16px 18px 14px;
  background:var(--surface-2);display:flex;flex-direction:column;
}
.vm-tag{
  align-self:flex-start;font-size:.68rem;font-weight:700;letter-spacing:.04em;
  padding:3px 9px;border-radius:999px;margin-bottom:10px;
  background:var(--surface);border:1px solid var(--line-2);color:var(--text-2);
}
.vm-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  padding:8px 0;border-bottom:1px dashed var(--line);font-size:.82rem;
}
.vm-row em{font-style:normal;color:var(--text-2)}
.vm-row span{color:var(--text);font-weight:600;text-align:right}
.vm-sum{margin-top:auto;padding-top:14px;font-size:.86rem;color:var(--text-2)}
.vm-sum b{font-size:1.24rem;color:var(--text);margin:0 4px}
.vm-off{
  font-style:normal;font-size:.7rem;font-weight:800;color:var(--gold);
  background:rgba(227,176,75,.14);border:1px solid rgba(227,176,75,.4);
  border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:2px;
}
.vm-col.vm-hi{border-color:rgba(227,176,75,.45);background:rgba(227,176,75,.06)}
.vm-col.vm-hi .vm-tag{color:var(--gold);border-color:rgba(227,176,75,.45);background:rgba(227,176,75,.10)}
.vm-col.vm-hi .vm-sum b{color:var(--gold)}
.vm-arrow{display:flex;align-items:center;justify-content:center;color:var(--gold);opacity:.8}
.vm-arrow svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.vm-note{margin-top:14px;font-size:.72rem;line-height:1.7;color:var(--text-3)}
@media(max-width:820px){
  .vs-meitu{padding:20px 16px 14px}
  .vm-grid{grid-template-columns:1fr;gap:10px}
  .vm-arrow{transform:rotate(90deg);padding:2px 0}
}

/* =========================================================
   3D 建模 · 数据资产中心
   ========================================================= */
@media(max-width:980px){ .m3-grid{grid-template-columns:1fr !important} }

.chip-x{
  display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;
  font-size:.78rem;font-weight:600;color:var(--text-2);cursor:pointer;
  background:var(--surface);border:1px solid var(--line-2);transition:.2s;
}
.chip-x:hover{color:var(--wine);border-color:rgba(139,18,32,.55);background:var(--wine-soft)}
.chip-x svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2}

.asset-card{
  position:relative;margin:0;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
}
.asset-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.asset-card figcaption{padding:8px 10px}
.asset-card b{display:block;font-size:.76rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.asset-card span{font-size:.66rem;color:var(--text-3)}
.asset-del{
  position:absolute;top:6px;right:6px;width:24px;height:24px;border-radius:8px;
  border:1px solid var(--line-2);background:rgba(10,8,7,.72);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:.2s;
}
.asset-card:hover .asset-del{opacity:1}
.asset-del:hover{color:#fff;background:var(--wine)}
.asset-del svg{width:12px;height:12px}

.hist-card{
  display:flex;align-items:center;gap:16px;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);flex-wrap:wrap;
}
.hist-thumbs{display:flex;gap:6px}
.hist-thumbs img{
  width:64px;height:64px;object-fit:cover;border-radius:8px;cursor:pointer;
  border:1px solid var(--line-2);transition:.2s;
}
.hist-thumbs img:hover{border-color:var(--gold);transform:translateY(-2px)}
.hist-info{flex:1;min-width:180px}
.hist-info b{display:block;font-size:.84rem;color:var(--text)}
.hist-info span{font-size:.7rem;color:var(--text-3);display:block;margin-top:2px}
.hist-info code{font-size:.66rem;color:var(--text-3);display:block;margin-top:4px;font-family:ui-monospace,monospace}

/* 历史卡片的「复用」按钮组：多了导出/下载/收藏四项后必须能换行，
   否则 5 个按钮会把卡片撑出横向滚动条（移动端直接溢出） */
.hist-acts{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.hist-card.fav{border-color:rgba(227,176,75,.55);background:rgba(227,176,75,.06)}
.hist-star{color:var(--gold);margin-right:4px}
.hf-chip{
  font-size:.74rem;padding:5px 11px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  transition:.18s var(--ease);
}
.hf-chip:hover{border-color:var(--gold);color:var(--gold)}
.hf-chip.on{border-color:var(--gold);background:rgba(227,176,75,.14);color:var(--gold);font-weight:600}

@media(max-width:640px){
  .hist-card{gap:12px;padding:12px;align-items:flex-start}
  .hist-acts{width:100%}
  .hist-acts .btn{flex:1 1 auto;justify-content:center}
}

.engine-card{
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  background:var(--surface);display:flex;flex-direction:column;gap:8px;
}
.engine-card.local{border-color:rgba(227,176,75,.4);background:rgba(227,176,75,.05)}
.mc-head{display:flex;align-items:center;gap:9px}
.mc-head svg{width:17px;height:17px;fill:none;stroke:var(--gold);stroke-width:1.7;flex:none}
.mc-head b{font-size:.9rem;color:var(--text)}
.mc-badge{
  margin-left:auto;font-size:.62rem;font-weight:800;letter-spacing:.05em;
  padding:2px 8px;border-radius:999px;color:var(--gold);
  border:1px solid rgba(227,176,75,.45);background:rgba(227,176,75,.1);
}
.mc-badge.cloud{color:var(--text-2);border-color:var(--line-2);background:var(--surface)}
.mc-row{font-size:.74rem;color:var(--text-2)}
.mc-row.dim{color:var(--text-3)}
.mc-row code{font-size:.7rem;color:var(--gold);font-family:ui-monospace,monospace}
.model-card p{margin:0;font-size:.78rem;color:var(--text-2);line-height:1.55}
.mc-live{font-size:.72rem;font-weight:600}