@font-face{
  font-family:'Sora';font-style:normal;font-weight:400 700;font-display:swap;
  src:url(/assets/fonts/sora-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
:root{
  --bg:#07071a; --bg2:#0d0d26; --glass:rgba(255,255,255,.055); --glass2:rgba(255,255,255,.085);
  --stroke:rgba(255,255,255,.13); --text:#eef0ff; --muted:#b4b8d8; --dim:#8f94bb;
  --v:#8b5cff; --c:#22d3ee; --p:#ff5fc8;
  --font:'Sora',system-ui,-apple-system,'Segoe UI',sans-serif;
  --radius:20px;
  color-scheme:dark;
}
:lang(zh-CN){--font:'Sora','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;overflow-x:hidden;min-height:100vh}
a{color:inherit}
img,svg{display:block;max-width:100%}
h1,h2,h3{text-wrap:balance;line-height:1.15}
:focus-visible{outline:2px solid var(--c);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:#fff;color:#111;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}

/* aurora: gradients only, no filter blur (cheaper to paint) */
.aurora{position:fixed;inset:-20%;z-index:0;pointer-events:none;
  background:
    radial-gradient(38% 34% at 18% 12%,rgba(139,92,255,.55),transparent 70%),
    radial-gradient(32% 30% at 88% 26%,rgba(34,211,238,.32),transparent 70%),
    radial-gradient(34% 30% at 46% 72%,rgba(255,95,200,.20),transparent 70%);
  animation:drift 24s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(4%,3%,0) scale(1.08)}}
.paused .aurora,.paused *,.paused *::before{animation-play-state:paused!important}

.wrap{position:relative;z-index:1;max-width:1160px;margin:0 auto;padding:0 20px}
nav.top{position:sticky;top:12px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:10px 12px 10px 18px;border:1px solid var(--stroke);border-radius:16px;background:rgba(10,10,30,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.logo{font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.logo i{width:22px;height:22px;border-radius:7px;background:conic-gradient(from 200deg,var(--v),var(--c),var(--p),var(--v));flex:none}
.links{display:flex;gap:24px;font-size:14px;color:var(--muted)}
.links a{text-decoration:none}.links a:hover{color:var(--text)}
.lang{display:flex;gap:2px;padding:3px;border-radius:11px;background:rgba(255,255,255,.07)}
.lang a{color:var(--muted);font-size:13px;font-weight:600;padding:6px 10px;border-radius:8px;text-decoration:none;line-height:1.2}
.lang a[aria-current="true"]{background:#fff;color:#111}

.hero{text-align:center;padding:84px 0 24px}
.pill{display:inline-block;font-size:13px;padding:7px 14px;border-radius:99px;border:1px solid var(--stroke);background:rgba(10,10,30,.6);color:var(--text)}
h1{font-size:clamp(34px,6vw,72px);letter-spacing:-.03em;margin:24px auto 20px;max-width:15em;
  background:linear-gradient(180deg,#fff 35%,#c9c4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
:lang(zh-CN) h1{letter-spacing:-.01em;line-height:1.22}
.sub{color:var(--muted);font-size:clamp(16px,2vw,18px);max-width:36em;margin:0 auto}
.ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px var(--font);padding:13px 20px;border-radius:12px;text-decoration:none;color:var(--text);border:1px solid var(--stroke);background:var(--glass);cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn.p{border-color:transparent;background:linear-gradient(135deg,#5b32d6,#0e7c93);box-shadow:0 10px 36px rgba(139,92,255,.38)}
.btn:hover{transform:translateY(-2px)}

/* shopping illustration: an AI assistant scans a shelf and picks the product with complete data */
.stage{max-width:760px;margin:56px auto 0;text-align:left}
.scene{position:relative;border:1px solid var(--stroke);border-radius:24px;padding:18px 18px 22px;overflow:hidden;
  background:radial-gradient(120% 80% at 50% 0%,rgba(139,92,255,.22),transparent 60%),rgba(12,12,34,.82);
  box-shadow:0 40px 120px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08)}
.scene::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 75%)}
.scene-h{position:relative;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.scene-h span{display:flex;align-items:center;gap:8px}
.scene-h span::before{content:"";width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 10px #4ade80}
.scene-h em{font-style:normal}
.query{position:relative;margin:16px auto 0;width:fit-content;max-width:100%;padding:12px 18px;border-radius:16px;font-size:15px;
  background:linear-gradient(135deg,rgba(91,50,214,.55),rgba(14,124,147,.45));border:1px solid rgba(255,255,255,.16)}
.query::after{content:"";position:absolute;left:50%;bottom:-22px;width:1px;height:20px;background:linear-gradient(var(--c),transparent)}
.shelf{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px;padding:0 4px 18px}
.shelf::after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;border-radius:6px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);box-shadow:0 8px 24px rgba(139,92,255,.35)}
.pc{position:relative;padding:12px 10px 10px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid var(--stroke);
  text-align:center;transition:transform .5s,box-shadow .5s,border-color .5s}
.pc svg{width:56px;height:56px;margin:2px auto 8px}
.pc b{display:block;font-size:12.5px;line-height:1.3}
.pc small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}
.tag{display:block;margin-top:8px;font-size:11px;line-height:1.35;padding:5px 6px;border-radius:8px;font-weight:600}
.tag.no{background:rgba(255,95,120,.14);color:#ffb3c0}
.tag.ok{background:rgba(74,222,128,.16);color:#a7f3c4}
.chosen{position:absolute;left:50%;top:-11px;transform:translateX(-50%);font-size:10.5px;font-weight:700;letter-spacing:.06em;
  padding:3px 9px;border-radius:99px;background:#fff;color:#1a1033;white-space:nowrap;box-shadow:0 4px 16px rgba(139,92,255,.6)}
.pc.win{transform:translateY(-8px) scale(1.04);border-color:transparent;box-shadow:0 18px 40px rgba(139,92,255,.45)}
.pc.win::before{content:"";position:absolute;inset:-1px;border-radius:17px;padding:1.5px;z-index:-1;
  background:conic-gradient(from var(--a,0deg),var(--v),var(--c),var(--p),var(--v));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
}
.js .stage.playing .pc.win.won::before{animation:spin 4s linear infinite}
.stage.hold *,.stage.hold *::before{animation-play-state:paused!important}
@property --a{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes spin{to{--a:360deg}}
.js .pc.win:not(.won){transform:none;border-color:var(--stroke);box-shadow:none}
.js .pc.win:not(.won)::before{display:none}
.beam{display:none}
.js .beam{display:block;position:absolute;top:-8px;bottom:6px;left:0;width:22%;pointer-events:none;opacity:0;border-radius:14px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.28),rgba(34,211,238,.6),rgba(34,211,238,.28),transparent);
  box-shadow:0 0 40px rgba(34,211,238,.35)}
.js .beam.show{animation:sweep 3.4s ease-in-out forwards}
@keyframes sweep{0%{left:-22%;opacity:0}8%{opacity:1}88%{opacity:1}100%{left:100%;opacity:0}}
.pick{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px;font-size:14px}
.pick b{color:#fff}
.pick span{color:var(--muted)}
.pick i{font-style:normal;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#4ade80;color:#06210f;font-weight:800;font-size:13px}
.js .query,.js .tag,.js .chosen,.js .pick{opacity:0;transform:translateY(6px);transition:opacity .45s,transform .45s}
.js .chosen{transform:translate(-50%,6px)}
.js .show{opacity:1;transform:none}
.js .chosen.show{transform:translateX(-50%)}
.ctrl{display:flex;justify-content:flex-end;margin-top:10px}
.ctrl button{font:600 13px var(--font);color:var(--muted);background:var(--glass);border:1px solid var(--stroke);border-radius:10px;padding:7px 12px;cursor:pointer}
.ctrl button:hover{color:var(--text)}
.caption{color:var(--dim);font-size:13px;margin-top:12px;line-height:1.55}

section{padding:88px 0;scroll-margin-top:80px}
.kick{font-size:13px;color:var(--c);letter-spacing:.14em;text-transform:uppercase;font-weight:600}
:lang(zh-CN) .kick{letter-spacing:.2em}
h2{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em;margin:10px 0 32px}

.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{position:relative;border-radius:var(--radius);padding:26px;border:1px solid var(--stroke);background:var(--glass);overflow:hidden;isolation:isolate}
.card::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .3s;
  background:radial-gradient(300px circle at var(--x,50%) var(--y,50%),rgba(139,92,255,.26),transparent 60%)}
.card:hover::before{opacity:1}
.card h3{font-size:20px;margin-bottom:12px}
.card dl{display:grid;gap:10px;font-size:15px}
.card dt{font-size:12px;color:var(--c);letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.card dd{color:var(--muted);margin:0}
.ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;background:linear-gradient(135deg,rgba(139,92,255,.35),rgba(34,211,238,.25));font-size:16px;font-weight:700}
.card.flag{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.4fr;gap:8px 40px;align-items:start;background:linear-gradient(160deg,rgba(139,92,255,.16),rgba(255,255,255,.04) 60%)}
.card.flag .ico,.card.flag h3{grid-column:1}
.card.flag dl,.card.flag .more{grid-column:2}
.card.flag dl{grid-row:1/span 3}
.card.flag h3{font-size:26px}
.card.flag .more{padding-top:4px}
.more a{font-weight:600;text-decoration:none;color:var(--text)}
.more a::after{content:" →"}
.more a:hover{text-decoration:underline}

.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.steps li{counter-increment:s;border-top:1px solid var(--stroke);padding-top:18px}
.steps li::before{content:"0" counter(s);display:block;font-size:13px;color:var(--c);font-weight:600;margin-bottom:10px}
.steps h3{font-size:18px;margin-bottom:8px}
.steps p{color:var(--muted);font-size:15px}

.note{color:var(--dim);font-size:14px;margin:-20px 0 24px}
.scen{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scen article{border-radius:var(--radius);padding:24px;border:1px solid var(--stroke);background:var(--glass)}
.scen h3{font-size:18px;margin-bottom:14px}
.scen dl{display:grid;gap:10px;font-size:14.5px}
.scen dt{font-size:12px;color:var(--c);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.scen dd{margin:0;color:var(--muted)}

.about{display:grid;grid-template-columns:1fr 2fr;gap:32px;align-items:start;border-radius:28px;padding:40px;border:1px solid var(--stroke);background:var(--glass)}
.about .who{font-size:34px;font-weight:700;letter-spacing:-.02em}
.about .role{color:var(--c);font-weight:600}
.about p{color:var(--muted);font-size:17px}
.about p+p{margin-top:12px}

.contact{text-align:center;border-radius:28px;padding:64px 22px;border:1px solid var(--stroke);background:radial-gradient(ellipse at 50% 0%,rgba(139,92,255,.32),transparent 60%),var(--glass)}
.contact h2{margin-bottom:8px}
.contact p{color:var(--muted)}
.mail{display:inline-block;margin-top:24px;font-size:clamp(17px,5.2vw,34px);font-weight:700;text-decoration:none;overflow-wrap:anywhere;color:#fff}
.mail:hover{text-decoration:underline}
.copyrow{margin-top:20px;display:flex;flex-direction:column;align-items:center;gap:10px}
.status{min-height:1.4em;font-size:14px;color:var(--muted)}

footer{padding:40px 0 48px;color:var(--dim);font-size:13px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;border-top:1px solid var(--stroke);margin-top:40px}
footer nav{display:flex;gap:14px}

/* ai-readiness page */
.page-hero{padding:72px 0 8px;max-width:820px}
.page-hero h1{text-align:left;margin:16px 0 18px;font-size:clamp(32px,5vw,58px)}
.page-hero .sub{margin:0;text-align:left}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cols .card h2{font-size:20px;letter-spacing:0;margin:0 0 12px}
.cols .card ul{padding-left:1.1em;color:var(--muted);display:grid;gap:8px;font-size:15px}
.tbl{overflow-x:auto;border:1px solid var(--stroke);border-radius:var(--radius);background:var(--glass)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--stroke);vertical-align:top}
th{font-size:12px;color:var(--c);letter-spacing:.08em;text-transform:uppercase}
tr:last-child td{border-bottom:0}
td{color:var(--muted)} td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
.small{color:var(--dim);font-size:14px;margin-top:14px}
.callout{margin-top:20px;padding:16px 18px;border-left:3px solid var(--c);background:rgba(34,211,238,.06);border-radius:0 12px 12px 0;color:var(--muted);font-size:15px}

.nf{text-align:center;padding:120px 0}
.nf p{color:var(--muted);margin:12px 0 28px}

@media (max-width:960px){
  nav.top{flex-wrap:wrap}
  .links{order:3;width:100%;gap:16px;overflow-x:auto;padding:6px 0 2px;border-top:1px solid var(--stroke);white-space:nowrap}
  .bento,.scen,.cols{grid-template-columns:1fr}
  .card.flag{grid-column:auto;display:block}
  .card.flag .more{padding-top:20px}
  .steps{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr;padding:28px}
  .hero{padding-top:56px}
  section{padding:64px 0}
}
@media (max-width:640px){
  table{min-width:0}
  thead{display:none}
  tr{display:block;padding:14px 18px;border-bottom:1px solid var(--stroke)}
  tr:last-child{border-bottom:0}
  td{display:block;padding:4px 0;border:0;white-space:normal}
  td:not(:first-child)::before{content:attr(data-label);display:block;font-size:12px;color:var(--c);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
}
@media (max-width:520px){
  .shelf{grid-template-columns:1fr 1fr;row-gap:22px}
  .query{font-size:14px}
  .links{gap:12px;font-size:13px}
  .steps{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before{animation:none!important;transition:none!important}
}