/* site/site.css */
:root{
--bg:#0b0f17; --bg2:#0f1522; --panel:#151d2e; --panel2:#1a2334;
--line:#26324a; --line-soft:#1e2839;
--txt:#e6ecf8; --dim:#a3b0cb; --faint:#7f8ca7;
--accent:#4ea1ff; --accent2:#6db3ff; --hot:#ffc247; --hot-soft:#ffe3a1;
--r:14px;
color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
margin:0;background:var(--bg);color:var(--txt);
font:16px/1.7 "Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,-apple-system,"Segoe UI",sans-serif;
-webkit-font-smoothing:antialiased;
}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
[hidden]{display:none !important}
.wrap{width:min(1160px,100% - 40px);margin:0 auto}
.narrow{width:min(780px,100% - 40px)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;letter-spacing:.8px;font-size:18px}
.logo-mark{width:32px;height:24px;overflow:visible;flex:none}
.logo-mark .pin{fill:none;stroke:var(--hot);stroke-width:1.8;stroke-linecap:round}
.logo-mark .gate{fill:rgba(255,194,71,.18);stroke:var(--hot);stroke-width:2.2;stroke-linejoin:round;filter:drop-shadow(0 0 3px rgba(255,194,71,.6))}
.logo-mark .led{fill:var(--hot-soft);filter:drop-shadow(0 0 3px #ffc247) drop-shadow(0 0 7px rgba(255,170,40,.8))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;
border-radius:10px;border:1px solid var(--line);padding:10px 18px;transition:.15s;white-space:nowrap}
.btn.sm{padding:7px 14px;font-size:14px}
.btn.lg{padding:13px 24px;font-size:16px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#08111f;box-shadow:0 6px 24px rgba(78,161,255,.25)}
.btn.primary:hover{background:var(--accent2)}
.btn.ghost{background:rgba(255,255,255,.02);color:var(--txt)}
.btn.ghost:hover{border-color:var(--accent);background:rgba(78,161,255,.08)}
.lang-hint{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 14px;padding:8px 44px 8px 16px;position:relative;
background:#12213a;border-bottom:1px solid rgba(78,161,255,.35);color:var(--txt);font-size:14px;line-height:1.4}
.lang-hint .go{background:var(--accent);color:#08111f;border:0;border-radius:8px;padding:5px 12px;font:700 13px/1.2 inherit;cursor:pointer}
.lang-hint .go:hover{background:var(--accent2)}
.lang-hint .x{position:absolute;right:10px;top:50%;translate:0 -50%;background:none;border:0;color:var(--dim);font-size:20px;line-height:1;
padding:4px 8px;cursor:pointer}
.lang-hint .x:hover{color:var(--txt)}
.nav{position:sticky;top:0;z-index:10;background:rgba(11,15,23,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;gap:24px;height:62px}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{text-decoration:none;color:var(--dim);font-size:14.5px}
.nav-links a:hover{color:var(--txt)}
.nav-end{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{background:none;border:0;color:var(--faint);font:700 13px/1 inherit;padding:7px 10px;cursor:pointer}
.lang button.on{background:var(--accent);color:#08111f}
.hero{position:relative;overflow:hidden;padding:72px 0 40px;
background:
radial-gradient(600px 380px at 78% 28%, rgba(255,194,71,.10), transparent 70%),
radial-gradient(700px 420px at 10% 0%, rgba(78,161,255,.12), transparent 70%),
radial-gradient(circle, rgba(163,176,203,.10) 1px, transparent 1.5px) 0 0/22px 22px,
var(--bg)}
.hero-in{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:center}
.eyebrow{margin:0 0 14px;color:var(--hot);font-weight:700;letter-spacing:1.5px;font-size:13.5px}
h1 .eyebrow{display:block;line-height:1.5}
h1 .h1-main{display:block}
h1{margin:0;font-size:clamp(36px,5.2vw,60px);line-height:1.15;font-weight:900;letter-spacing:.5px}
h1 .glow{color:var(--hot);text-shadow:0 0 18px rgba(255,194,71,.55),0 0 42px rgba(255,170,40,.35)}
.lead{margin:20px 0 0;color:var(--dim);font-size:18px;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-cta.center{justify-content:center}
.hero-note{margin:16px 0 0;color:var(--faint);font-size:14px}
.frame{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg2);
box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.02)}
.frame-bar{display:flex;align-items:center;gap:7px;height:34px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--line)}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#34405a}
.frame-bar i:first-child{background:#ff6b6b99}.frame-bar i:nth-child(2){background:#ffc24799}.frame-bar i:nth-child(3){background:#5fd38d99}
.frame-bar span{margin-left:10px;font-size:12.5px;color:var(--faint)}
.hero-demo{margin:0;position:relative}
.nora{position:absolute;right:-226px;bottom:-92px;width:262px;aspect-ratio:569/1154;
z-index:3;cursor:pointer;-webkit-tap-highlight-color:transparent;
filter:drop-shadow(0 4px 10px rgba(0,0,0,.35))}
.nora-poster{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.nora[hidden]{display:none}
.nora{--nora-bubble-bg:var(--panel2);--nora-bubble-fg:var(--txt);--nora-bubble-accent:var(--hot);--nora-bubble-max:230px;
--nora-bubble-font:14px/1.5 "Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
.nora .nora-bubble{left:auto;right:6%;bottom:calc(100% + 10px);translate:none;padding:9px 13px;box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nora .nora-bubble::after{left:46%}
@media (max-width:1660px){ .hero-demo{margin-right:100px} .nora{right:-214px;width:244px;bottom:-84px} }
@media (max-width:1360px){ .hero-demo{margin-right:116px} .nora{right:-202px;width:232px;bottom:-80px}
.nora .nora-bubble{right:36%} .nora .nora-bubble::after{left:auto;right:18px} }
@media (max-width:920px){
.hero-demo{margin-right:0;display:grid;grid-template-columns:1fr 112px;column-gap:6px}
.hero-demo .frame{grid-column:1/-1}
.hero-demo figcaption{grid-column:1;grid-row:2;align-self:center;text-align:left}
.nora{position:relative;right:auto;bottom:auto;grid-column:2;grid-row:2;width:112px;margin-top:-34px}
.nora .nora-bubble{right:84%;bottom:auto;top:19%;max-width:min(240px,58vw)}
.nora .nora-bubble::after{left:auto;right:-7px;bottom:auto;top:14px;border-width:1px 1px 0 0}
}
.hero-demo iframe{display:block;width:100%;height:380px;border:0;background:var(--bg)}
.hero-demo figcaption{margin-top:12px;text-align:center;color:var(--dim);font-size:14px}
.hero-demo figcaption b{color:var(--hot)}
.pills{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;list-style:none;padding:0;margin-top:48px}
.pills li{border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:13.5px;color:var(--dim);background:rgba(255,255,255,.02)}
.pills li::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--hot);
box-shadow:0 0 8px var(--hot);margin-right:8px;vertical-align:1px}
.sec{padding:88px 0}
.sec.alt{background:var(--bg2);border-block:1px solid var(--line-soft)}
h2{margin:0;font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:800;text-align:center}
.sub{margin:12px auto 0;color:var(--dim);text-align:center;max-width:40em;text-wrap:balance}
h1,h2,.lead,.shot figcaption,.hero-demo figcaption{text-wrap:balance}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;transition:.2s}
.card:hover{border-color:#3a4c72;transform:translateY(-2px)}
.card h3{margin:14px 0 6px;font-size:18px}
.card p{margin:0;color:var(--dim);font-size:15px}
.ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
background:rgba(78,161,255,.12);color:var(--accent);border:1px solid rgba(78,161,255,.25)}
.ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic svg .fill{fill:currentColor;stroke:none}
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:32px 0 26px}
.tabs button{background:var(--panel);border:1px solid var(--line);color:var(--dim);font:600 14.5px/1 inherit;
padding:10px 16px;border-radius:999px;cursor:pointer}
.tabs button:hover{color:var(--txt)}
.tabs button.on{background:var(--accent);border-color:var(--accent);color:#08111f}
.shot{margin:0 auto;max-width:min(1160px, calc((100vh - 250px) * 1.6))}
.shot .frame{position:relative}
.shot .frame img{display:block;width:100%;height:auto;transition:opacity .2s}
.shot .frame.loading img{opacity:.25}
.shot .frame.loading::after{content:'';position:absolute;left:50%;top:calc(50% + 17px);width:38px;height:38px;margin:-19px 0 0 -19px;
border-radius:50%;border:3px solid rgba(255,255,255,.14);border-top-color:var(--hot);animation:shot-spin .8s linear infinite}
@keyframes shot-spin{to{transform:rotate(360deg)}}
#tour.sec{padding-top:64px;padding-bottom:64px}
#tour h2{margin-bottom:16px}
#tour .tabs{margin-bottom:18px}
.shot figcaption{margin:0 0 16px;text-align:center;color:var(--dim)}
.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.steps .n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--hot);color:#2a1c02;
font-weight:900;box-shadow:0 0 14px rgba(255,194,71,.5)}
.steps b{display:block;margin:14px 0 4px;font-size:18px}
.steps p{margin:0;color:var(--dim);font-size:15px}
.steps.path{grid-template-columns:repeat(4,1fr)}
#path .sub{max-width:720px}
#path .hero-cta{margin-top:30px}
@media (max-width:980px){ .steps.path{grid-template-columns:repeat(2,1fr)} }
#faq h2{margin-bottom:30px}
details{border:1px solid var(--line);border-radius:12px;background:var(--panel);margin-bottom:10px}
summary{cursor:pointer;padding:16px 18px;font-weight:700;list-style:none;display:flex;align-items:center;gap:10px}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';margin-left:auto;color:var(--faint);font-size:20px;line-height:1}
details[open] summary::after{content:'−'}
details p{margin:0;padding:0 18px 16px;color:var(--dim)}
details a{color:var(--accent)}
.final{padding:90px 0;text-align:center;
background:radial-gradient(520px 260px at 50% 40%, rgba(255,194,71,.10), transparent 70%), var(--bg)}
.final p{color:var(--dim);margin:12px 0 0}
.foot{border-top:1px solid var(--line-soft);padding:36px 0;background:var(--bg2)}
.foot-in{display:grid;grid-template-columns:1fr auto;gap:10px 30px;align-items:center}
.foot-brand p{margin:8px 0 0;color:var(--faint);font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:20px}
.foot-links a{color:var(--dim);text-decoration:none;font-size:14.5px}
.foot-links a:hover{color:var(--txt)}
.copy{grid-column:1/-1;margin:14px 0 0;color:var(--faint);font-size:13px}
@media (max-width:920px){
.hero-in{grid-template-columns:1fr}
.hero{padding-top:48px}
.grid3{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr}
}
@media (max-width:720px){
.nav-links{display:none}
.nav-end{margin-left:auto}
.grid3{grid-template-columns:1fr}
.sec{padding:64px 0}
.lead{font-size:16.5px}
.hero-demo iframe{height:320px}
.foot-in{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} .card{transition:none} }
@media (max-width:720px){ .steps.path{grid-template-columns:1fr} }
.lang a{display:block;color:var(--faint);font:700 13px/1 inherit;padding:7px 10px;text-decoration:none}
.lang a.on{background:var(--accent);color:#08111f}
.doc{padding:28px 0 80px}
.doc-in{max-width:820px}
.crumbs{font-size:13.5px;color:var(--faint);margin-bottom:22px}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--txt)}
.crumbs span{margin:0 4px}
.doc h1{font-size:clamp(28px,4vw,38px);line-height:1.25;margin:0 0 14px}
.doc h2{font-size:21px;margin:34px 0 10px}
.doc h3{font-size:17px;margin:24px 0 8px;color:var(--hot-soft)}
.doc p,.doc li{color:var(--dim)}
.doc b{color:var(--txt)}
.doc-lead{font-size:18px;color:var(--txt) !important}
.doc-tt{border-collapse:collapse;margin:8px 0 6px;font-variant-numeric:tabular-nums;background:var(--panel);border-radius:10px;overflow:hidden}
.doc-tt th,.doc-tt td{padding:8px 18px;text-align:center;border-bottom:1px solid var(--line-soft)}
.doc-tt th{color:var(--txt);background:var(--panel2);font-weight:700}
.doc-tt th.o{color:var(--hot)}
.doc-tt td{color:var(--faint)}
.doc-tt td.one{color:var(--txt);font-weight:700}
.doc-tt td.o.one{color:var(--hot)}
.doc-tt tr:last-child td{border-bottom:0}
.doc-note{font-size:14px}
.doc-oops{margin-top:30px;padding:4px 18px 10px;border-radius:12px;border:1px solid #6b3f22;background:rgba(255,150,60,.07)}
.doc-oops h2{margin-top:14px;font-size:18px}
.doc-cta{margin:30px 0}
.doc-links{display:flex;flex-wrap:wrap;gap:8px 14px;padding:0;list-style:none}
.doc-links a{color:var(--accent);text-decoration:none}
.doc-cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.doc-cards a{display:flex;flex-direction:column;gap:4px;height:100%;padding:14px 16px;border-radius:12px;background:var(--panel);
border:1px solid var(--line);text-decoration:none;transition:border-color .15s}
.doc-cards a:hover{border-color:var(--accent)}
.doc-cards span{font-size:14px;color:var(--faint);line-height:1.6}
.doc-lessons{padding-left:24px}
.doc-lessons li{margin:6px 0}
.doc-lessons a{color:var(--accent);text-decoration:none}
.doc-art ol,.doc-art ul{padding-left:22px}
@media (max-width:920px){ .doc-page .nav-links{display:flex;gap:14px} }
@media (max-width:720px){ .doc-tt th,.doc-tt td{padding:7px 12px} }
.doc h2,.doc h3{text-align:left}
.doc-art .doc-links{padding-left:0}