/* 明觉 MINGJUE · 为物理世界而设的智能层 · 瓷白科技主题 */
:root{
  --bg:#eef2f4;
  --bg2:#e6edf1;
  --panel:#f9fbfc;
  --line:#d5dee4;
  --line2:#b5c4cd;
  --ink:#0f1a23;
  --dim:#41505c;
  --faint:#6d7d89;
  --blue:#0b6bd6;
  --cyan:#0b9cc4;
  --signal:#f5a23b;
  --accent:#0b6bd6;
  --accent-ink:#f4faff;
  --ok:#12893c;
  --bad:#d5442f;
  --cam:#0e151b;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,"DejaVu Sans Mono",monospace;
  --sans:"Inter",system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --display:"Inter",system-ui,-apple-system,"PingFang SC","Source Han Sans SC Bold","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSongti","STSong","SimSun",serif;
  --pad:clamp(20px,5vw,72px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{color-scheme:light}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit;background:none;border:none}
::selection{background:var(--ink);color:var(--bg)}
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--pad)}

/* ---- announcement ---- */
.announce{border-bottom:1px solid var(--line);background:var(--cam);position:relative;z-index:5}
.announce .wrap{display:flex;gap:14px;align-items:center;justify-content:center;padding-block:9px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:#9fb0ba}
.announce .tag-new{background:var(--signal);color:#231503;padding:1px 8px;border-radius:3px;font-weight:700;letter-spacing:.12em}
.announce a{border-bottom:1px solid #3b4c57;color:#c8d6de}
.announce a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:34px;height:64px}
.brand{display:flex;align-items:center;gap:11px;margin-inline-end:auto}
.brand .mark{width:26px;height:26px;flex:none}
.brand .zh{font-family:var(--serif);font-weight:900;font-size:19px;letter-spacing:.14em}
.brand .en{font-family:var(--mono);font-size:10px;color:var(--faint);letter-spacing:.22em}
.nav nav{display:flex;gap:26px;align-items:center}
.nav nav a{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;color:var(--dim);padding-block:4px;border-bottom:1px solid transparent}
.nav nav a:hover{color:var(--accent);border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line2);border-radius:6px;padding:9px 20px;font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;color:var(--ink);transition:.18s;cursor:pointer;white-space:nowrap;background:var(--panel)}
.btn:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 3px rgba(11,107,214,.10)}
.btn.solid{background:var(--blue);border-color:var(--blue);color:var(--accent-ink);font-weight:700}
.btn.solid:hover{filter:brightness(1.08);color:var(--accent-ink)}
.btn .arr{font-family:var(--sans)}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;
  background:
    linear-gradient(to right,var(--line2) 1px,transparent 1px),
    linear-gradient(to bottom,var(--line2) 1px,transparent 1px);
  background-size:72px 72px;opacity:.45;
  mask-image:radial-gradient(80% 70% at 60% 8%,black,transparent 76%)}
.hero::after{content:"";position:absolute;width:640px;height:640px;inset-inline-end:-180px;inset-block-start:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,107,214,.16),transparent 62%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,64px);align-items:center;padding-block:clamp(56px,9vh,110px)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.26em;color:var(--accent);display:flex;align-items:center;gap:12px;margin-block-end:26px;text-transform:uppercase}
.eyebrow::before{content:"//";opacity:.6}
.eyebrow::after{content:"";height:1px;flex:1;max-width:120px;background:linear-gradient(to right,var(--line2),transparent)}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(44px,6.4vw,84px);line-height:1.08;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .lede{margin-block-start:24px;max-width:30em;color:var(--dim);font-size:clamp(15px,1.3vw,18px)}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-block-start:34px}
.hero .legal{margin-block-start:20px;font-family:var(--mono);font-size:11px;color:var(--faint)}
.hero .legal a{border-bottom:1px solid var(--line2)}
.hero .legal a:hover{color:var(--accent);border-color:var(--accent)}

/* HUD panel (camera view) */
.hud{position:relative;border:1px solid var(--line2);border-radius:10px;background:var(--cam);overflow:hidden;box-shadow:0 30px 80px -34px rgba(16,40,66,.45)}
.hud::after{content:"";position:absolute;left:0;right:0;top:-30%;height:28%;pointer-events:none;z-index:2;
  background:linear-gradient(to bottom,transparent,rgba(11,156,196,.20),transparent);animation:scan 4.5s linear infinite}
.hud .bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid rgba(214,230,238,.14);font-family:var(--mono);font-size:11px;color:#9fb0ba;letter-spacing:.08em;position:relative;z-index:1}
.hud .bar .rec{color:var(--bad)}
.hud .frame{position:relative;aspect-ratio:4/3}
.hud .frame::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(214,230,238,.05) 0 1px,transparent 1px 4px)}
.hud .frame svg{display:block;width:100%;height:100%}
.hud .foot{display:flex;gap:16px;padding:10px 14px;border-top:1px solid rgba(214,230,238,.14);font-family:var(--mono);font-size:11px;color:#9fb0ba;flex-wrap:wrap;position:relative;z-index:1}
.hud .foot b{color:var(--cyan);font-weight:500}
.eq{display:inline-flex;gap:2px;align-items:flex-end;height:10px}
.eq i{width:3px;background:var(--cyan);animation:eq 1.1s ease-in-out infinite}
.eq i:nth-child(1){height:9px;animation-delay:0s}
.eq i:nth-child(2){height:5px;animation-delay:.18s}
.eq i:nth-child(3){height:8px;animation-delay:.36s}
.eq i:nth-child(4){height:4px;animation-delay:.54s}

/* ---- ticker ---- */
.ticker{border-bottom:1px solid var(--line);background:var(--cam);overflow:hidden;padding-block:12px}
.ticker .track{display:flex;gap:44px;width:max-content;animation:slide 30s linear infinite;font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:#7f929e}
.ticker .track b{color:var(--cyan);font-weight:400}
.ticker:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translate-x(-50%)}}
@keyframes scan{to{transform:translate-y(420%)}}
@keyframes eq{50%{height:2px}}

/* ---- sections ---- */
section .wrap{padding-block:clamp(64px,11vh,130px)}
.sec-head{max-width:56ch}
h2{font-family:var(--display);font-weight:900;font-size:clamp(30px,4.2vw,52px);line-height:1.14;letter-spacing:-.01em}
.sec-head .sub{margin-block-start:18px;color:var(--dim)}

/* chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-block-start:30px}
.chip{border:1px solid var(--line2);border-radius:6px;padding:8px 18px;font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;color:var(--dim);cursor:pointer;transition:.16s;background:var(--panel)}
.chip:hover{color:var(--accent);border-color:var(--accent)}
.chip[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:var(--accent-ink);font-weight:700}

/* demo card */
.demo-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(18px,2.4vw,34px);margin-block-start:44px;border:1px solid var(--line2);border-radius:10px;background:var(--panel);overflow:hidden;box-shadow:0 22px 60px -40px rgba(16,40,66,.35)}
.demo-stage{position:relative;border-inline-end:1px solid var(--line);background:var(--cam);overflow:hidden}
.demo-stage::after{content:"";position:absolute;left:0;right:0;top:-30%;height:28%;pointer-events:none;z-index:2;
  background:linear-gradient(to bottom,transparent,rgba(11,156,196,.20),transparent);animation:scan 4.5s linear infinite;animation-delay:1.2s}
.demo-stage .stagebar{display:flex;justify-content:space-between;padding:10px 16px;border-bottom:1px solid rgba(214,230,238,.14);font-family:var(--mono);font-size:11px;color:#9fb0ba;letter-spacing:.08em;position:relative;z-index:1}
.demo-stage .stagebar .rec{color:var(--bad)}
.demo-stage .scene{aspect-ratio:16/10;position:relative}
.demo-stage .scene::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(214,230,238,.05) 0 1px,transparent 1px 4px)}
.demo-stage .scene svg{width:100%;height:100%;display:block}
.demo-body{padding:22px 24px;display:flex;flex-direction:column;gap:16px}
.demo-body .k{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--accent)}
.demo-body .prompt{border:1px solid var(--line);border-radius:8px;background:var(--bg2);padding:14px 16px;font-size:14px;color:var(--ink)}
.status{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--dim);min-height:20px}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(11,156,196,.18);animation:pulse 1s ease infinite}
.status .dot.done{background:var(--ok);box-shadow:0 0 0 3px rgba(18,137,60,.15);animation:none}
@keyframes pulse{50%{opacity:.25}}
.answer{flex:1;border-inline-start:2px solid var(--line2);padding-inline-start:16px;font-size:14.5px;color:var(--ink)}
.answer .cursor{display:inline-block;width:8px;height:1.1em;vertical-align:-2px;background:var(--cyan);animation:blink .8s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.demo-actions{display:flex;gap:12px;flex-wrap:wrap;margin-block-start:4px}

/* tech corner frames */
.card,.post-card,.deploy-card{position:relative}
.card::before,.post-card::before,.deploy-card::before{content:"";position:absolute;inset:7px;pointer-events:none;opacity:.9;
  background:
   linear-gradient(to right,var(--line2) 1px,transparent 1px) 0 0/12px 1px no-repeat,
   linear-gradient(to bottom,var(--line2) 1px,transparent 1px) 0 0/1px 12px no-repeat,
   linear-gradient(to left,var(--line2) 1px,transparent 1px) 100% 0/12px 1px no-repeat,
   linear-gradient(to bottom,var(--line2) 1px,transparent 1px) 100% 0/1px 12px no-repeat,
   linear-gradient(to right,var(--line2) 1px,transparent 1px) 0 100%/12px 1px no-repeat,
   linear-gradient(to top,var(--line2) 1px,transparent 1px) 0 100%/1px 12px no-repeat,
   linear-gradient(to left,var(--line2) 1px,transparent 1px) 100% 100%/12px 1px no-repeat,
   linear-gradient(to top,var(--line2) 1px,transparent 1px) 100% 100%/1px 12px no-repeat}
.card:hover::before,.post-card:hover::before,.deploy-card:hover::before{opacity:1}

/* feature cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-block-start:52px}
.card{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:26px 24px 30px;transition:.2s;overflow:hidden}
.card:hover{border-color:var(--accent);transform:translate-y(-3px);box-shadow:0 16px 40px -28px rgba(16,40,66,.4)}
.card:hover .idx{color:var(--accent)}
.card .idx{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--faint)}
.card h3{font-family:var(--display);font-weight:900;font-size:22px;margin:16px 0 4px;letter-spacing:.02em}
.card .en-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--faint)}
.card p{margin-block-start:14px;color:var(--dim);font-size:14px}

/* news */
.news{background:var(--bg2);border-block:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-block-start:52px}
.post-card{border:1px solid var(--line);border-radius:10px;padding:24px;background:var(--panel);display:flex;flex-direction:column;gap:12px;transition:.2s;overflow:hidden}
.post-card:hover{border-color:var(--accent);transform:translate-y(-3px);box-shadow:0 16px 40px -28px rgba(16,40,66,.4)}
.post-card .meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.1em}
.post-card h3{font-family:var(--display);font-size:20px;font-weight:900;letter-spacing:.02em;line-height:1.4}
.post-card p{color:var(--dim);font-size:13.5px;flex:1}
.post-card .more{font-family:var(--mono);font-size:12px;color:var(--accent)}

/* deploy */
.deploy-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-block-start:52px}
.deploy-card{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:30px;display:flex;flex-direction:column;gap:16px;overflow:hidden}
.deploy-card h3{font-family:var(--display);font-weight:900;font-size:23px;letter-spacing:.02em}
.deploy-card ul{list-style:none;display:flex;flex-direction:column;gap:9px;color:var(--dim);font-size:14px}
.deploy-card ul li::before{content:"> ";color:var(--cyan);font-family:var(--mono)}
.deploy-card .btn{align-self:flex-start}

/* cta band */
.cta-band{text-align:center;border-top:1px solid var(--line);background:
  radial-gradient(70% 120% at 50% 0%,rgba(11,107,214,.10),transparent 60%),
  linear-gradient(to bottom,transparent,var(--bg2))}
.cta-band h2{max-width:24ch;margin:0 auto}
.cta-band .en-line{font-family:var(--mono);font-size:12px;letter-spacing:.26em;color:var(--faint);margin-block-start:20px;text-transform:uppercase}
.cta-band .cta{display:flex;gap:14px;justify-content:center;margin-block-start:34px;flex-wrap:wrap}

/* footer */
footer{border-top:1px solid var(--line);background:var(--cam);color:#9fb0ba}
footer .wrap{padding-block:56px 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-brand .zh{font-family:var(--serif);font-weight:900;font-size:22px;letter-spacing:.16em;color:#dce7ed}
.foot-brand p{color:#7f929e;font-size:13px;margin-block-start:12px;max-width:26em}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);margin-block-end:16px}
.foot-col a{display:block;color:#9fb0ba;font-size:13.5px;padding-block:4px}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{margin-block-start:48px;padding-top:20px;border-top:1px solid rgba(214,230,238,.14);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;color:#7f929e;letter-spacing:.06em}
.foot-bottom a:hover{color:var(--cyan)}
.quote{font-family:var(--serif);color:#9fb0ba!important;letter-spacing:.14em}

/* ---- prose / subpages ---- */
.page-hero{border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;
  background:
    linear-gradient(to right,var(--line2) 1px,transparent 1px),
    linear-gradient(to bottom,var(--line2) 1px,transparent 1px);
  background-size:72px 72px;opacity:.4;
  mask-image:radial-gradient(70% 90% at 20% 100%,black,transparent 72%)}
.page-hero::after{content:"";position:absolute;width:560px;height:560px;inset-inline-start:-160px;inset-block-end:-320px;border-radius:50%;background:radial-gradient(circle,rgba(11,156,196,.12),transparent 62%);pointer-events:none}
.page-hero .wrap{padding-block:clamp(48px,8vh,90px);position:relative}
.page-title{font-family:var(--display);font-weight:900;font-size:clamp(34px,5vw,60px);line-height:1.12;letter-spacing:-.01em}
.lede-dim{color:var(--dim);margin-top:16px;max-width:52ch}
.prose{max-width:80ch}
.prose h2,.prose h3{font-family:var(--display);font-weight:900;letter-spacing:-.005em;margin:1.6em 0 .6em}
.prose h2{font-size:clamp(23px,3vw,32px)}
.prose h3{font-size:18px}
.prose p{margin-block:.9em;color:var(--dim)}
.prose p strong,.prose li strong{color:var(--ink)}
.prose a.link{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}
.prose ul,.prose ol{margin:.9em 0 1.1em 1.4em;color:var(--dim)}
.prose li{margin-block:.45em}
blockquote{border-inline-start:2px solid var(--cyan);padding:10px 0 10px 22px;margin:1.6em 0;font-family:var(--serif);font-size:19px;letter-spacing:.1em;color:var(--ink);line-height:2;background:linear-gradient(to right,rgba(11,156,196,.06),transparent 60%)}
blockquote .src{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--faint);margin-block-start:10px}
pre{background:var(--cam);color:#c8d6de;border:1px solid var(--line2);border-radius:10px;padding:20px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.8;margin:1.4em 0}
pre .c{color:#7f929e} pre .s{color:#7fd48a} pre .k{color:#5fb7ef}
.table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px}
.table th{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--faint);text-align:start;padding:12px 14px;border-bottom:1px solid var(--line2);background:var(--bg2)}
.table td{padding:13px 14px;border-bottom:1px solid var(--line);color:var(--dim)}
.table td:first-child{color:var(--ink);font-family:var(--mono);font-size:13px}
.tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;border:1px solid var(--line2);border-radius:4px;padding:2px 8px;color:var(--dim)}

/* forms */
.field{display:flex;flex-direction:column;gap:8px;margin-block-end:18px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--faint)}
.field input,.field textarea,.field select{border:1px solid var(--line2);border-radius:8px;background:var(--panel);padding:12px 14px;font-size:14px;outline:none;transition:.16s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(11,107,214,.12)}
.field textarea{resize:vertical;min-height:120px;font-family:var(--mono);font-size:13px;line-height:1.7}
.form-note{font-family:var(--mono);font-size:12px;color:var(--ok);min-height:18px}

/* demo page */
.lab{display:grid;grid-template-columns:380px 1fr;gap:26px;align-items:start}
.lab .side{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:22px;display:flex;flex-direction:column;gap:16px}
.lab .side h3{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--faint)}
.lab .chips{margin-top:0;gap:8px}
.lab .chip{padding:6px 13px;font-size:11.5px}
.lab .run-row{display:flex;gap:10px;align-items:center;margin-block-start:4px}
.model-select{display:flex;gap:8px}
.model-select .chip{flex:1;text-align:center;justify-content:center}
@media (max-width:1080px){
  .hero .wrap{grid-template-columns:1fr}
  .hud{max-width:520px}
  .cards,.news-grid{grid-template-columns:1fr 1fr}
  .deploy-grid{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:1fr}
  .demo-stage{border-inline-end:none;border-bottom:1px solid var(--line)}
  .lab{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav nav{display:none}
  .cards,.news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
.rv{opacity:0;transform:translate-y(22px);transition:opacity .7s ease,transform .7s ease}
.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.ticker .track{animation:none}.hud::after,.demo-stage::after{animation:none}}