@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&family=Space+Grotesk:wght@400;500&display=swap');

:root {
  --canvas:#05060f; --steel:#2f343e; --fog:#9da7ba; --mist:#c7d3ea;
  --frost:#d1e4fa; --ice:#d8ecf8; --white:#fff; --violet:#663af3;
  --blueprint:#b6d9fc; --edge:rgba(186,215,247,.12); --fill:rgba(199,211,234,.06);
  --deep:rgba(5,6,15,.94); --card:rgba(186,214,247,.035);
  --display:'Space Grotesk',system-ui,sans-serif; --ui:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace; --max:1200px;
  --glass:inset 0 1px 1px rgba(216,236,248,.2),inset 0 24px 48px rgba(168,216,245,.055),0 24px 48px rgba(0,0,0,.42);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--canvas);color:var(--frost);font:400 16px/1.5 var(--ui);letter-spacing:-.01em;overflow-x:hidden;min-height:100vh}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-3;background:linear-gradient(rgba(186,215,247,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(186,215,247,.045) 1px,transparent 1px);background-size:88px 88px;mask-image:radial-gradient(ellipse at 50% 20%,#000 15%,transparent 78%)}
body::after{content:"";position:fixed;inset:-20% -10% auto;height:80vh;pointer-events:none;z-index:-2;background:conic-gradient(at 50% 0%,transparent 43%,rgba(124,145,182,.16) 48%,rgba(124,145,182,.5) 50%,rgba(124,145,182,.16) 52%,transparent 57%);filter:blur(18px);animation:halo 12s ease-in-out infinite alternate}
@keyframes halo{to{opacity:.72;transform:scale(1.08) translateY(2%)}}
a{color:inherit;text-decoration:none} button,input,select{font:inherit} img,svg{display:block}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.page{padding:64px 0 120px}.section{padding:72px 0}.center{text-align:center}.muted{color:var(--mist)}.helper{color:var(--fog);font-size:14px}.gradient-text{background:linear-gradient(0deg,#d8ecf8,#98c0ef);-webkit-background-clip:text;background-clip:text;color:transparent}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.ambient{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:-1;opacity:.18}.ambient.one{width:380px;height:380px;background:#8ab8ed;top:10%;left:-180px;animation:drift 16s ease-in-out infinite}.ambient.two{width:300px;height:300px;background:#754cf4;right:-160px;top:44%;animation:drift 20s ease-in-out infinite reverse}@keyframes drift{50%{transform:translate(90px,70px) scale(1.15)}}
.cursor-glow{position:fixed;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(182,217,252,.09),transparent 65%);transform:translate(-50%,-50%);pointer-events:none;z-index:-1;transition:opacity .2s}
.nav{position:sticky;top:0;z-index:30;padding:14px 0;background:linear-gradient(rgba(5,6,15,.86),rgba(5,6,15,.58));backdrop-filter:blur(24px);border-bottom:1px solid rgba(186,215,247,.06)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:600;color:var(--ice)}.brand-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--fill);box-shadow:inset 0 0 0 1px var(--edge),0 0 20px rgba(182,217,252,.12);position:relative;overflow:hidden}.brand-mark::after{content:"";position:absolute;width:60%;height:160%;background:linear-gradient(transparent,rgba(255,255,255,.6),transparent);transform:rotate(24deg);animation:shine 4s linear infinite}@keyframes shine{from{translate:-180% 0}to{translate:220% 0}}.brand-mark svg{width:19px;position:relative;z-index:1}.nav-links{display:flex;align-items:center;gap:6px}.nav-links a{padding:8px 14px;border-radius:999px;color:var(--mist);font-size:14px;transition:.25s}.nav-links a:hover,.nav-links a.active{color:#fff;background:var(--fill);box-shadow:inset 0 0 0 1px var(--edge)}.menu{display:none;background:var(--fill);border:0;color:#fff;border-radius:999px;padding:9px 12px}
.pill,.cta{border:0;cursor:pointer;border-radius:999px;padding:11px 18px;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:500;position:relative;overflow:hidden;transition:transform .25s,background .25s,box-shadow .25s}.pill{background:rgba(186,214,247,.06);box-shadow:inset 0 0 0 1px var(--edge)}.pill:hover{background:rgba(186,214,247,.12);transform:translateY(-2px)}.cta{background:var(--violet);box-shadow:inset 0 1px 1px rgba(255,255,255,.26),0 10px 30px rgba(102,58,243,.28)}.cta:hover{transform:translateY(-3px);box-shadow:inset 0 1px 1px rgba(255,255,255,.35),0 16px 38px rgba(102,58,243,.42)}.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 25%,rgba(255,255,255,.26) 45%,transparent 65%);translate:-130% 0;animation:cta-sweep 3.5s ease-in-out infinite}@keyframes cta-sweep{55%,100%{translate:130% 0}}.button-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.eyebrow{display:flex;align-items:center;justify-content:center;gap:16px;color:var(--mist);font:400 13px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase}.eyebrow::before,.eyebrow::after{content:"";width:min(100px,18vw);height:1px;background:linear-gradient(90deg,transparent,var(--edge))}.eyebrow::after{transform:scaleX(-1)}h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.035em;margin:0}h1{font-size:clamp(52px,11vw,140px);line-height:.94}h2{font-size:clamp(36px,5vw,54px);line-height:1.07}h3{font-size:22px;line-height:1.2}.lead{font-size:clamp(17px,2vw,20px);color:var(--mist);max-width:700px;margin:24px auto 32px}
.hero{min-height:760px;display:grid;place-items:center;padding:92px 0 70px;position:relative}.hero-copy{position:relative;z-index:3}.hero h1{text-shadow:0 0 6px rgba(186,207,247,.22),0 0 30px rgba(186,207,247,.08);animation:title-in 1s cubic-bezier(.2,.8,.2,1) both}@keyframes title-in{from{opacity:0;filter:blur(16px);transform:translateY(30px) scale(.96)}}.hero-orbit{position:absolute;inset:50% auto auto 50%;width:min(1100px,100%);height:480px;transform:translate(-50%,-42%);z-index:1;pointer-events:none}.float-card{position:absolute;width:280px;padding:22px;background:var(--deep);border-radius:16px;box-shadow:var(--glass);backdrop-filter:blur(24px);animation:float 6s ease-in-out infinite}.float-card.left{left:3%;top:38%;rotate:-7deg}.float-card.right{right:3%;top:25%;rotate:7deg;animation-delay:-2s}.float-card.bottom{left:50%;bottom:-8%;translate:-50% 0;width:330px;animation-delay:-4s}@keyframes float{50%{transform:translateY(-15px) rotate(.8deg)}}.mock-line{height:9px;border-radius:99px;background:rgba(199,211,234,.12);margin:11px 0}.mock-line.short{width:54%}.mock-action{height:34px;border-radius:999px;background:rgba(102,58,243,.9);margin-top:16px}.signal{display:inline-flex;align-items:center;gap:8px;padding:5px 9px;background:var(--fill);box-shadow:inset 0 0 0 1px var(--edge);border-radius:6px;color:var(--mist);font:11px var(--mono)}.signal i,.status-dot{width:7px;height:7px;border-radius:50%;background:#b6d9fc;box-shadow:0 0 12px #b6d9fc;animation:pulse 1.8s ease-in-out infinite}@keyframes pulse{50%{opacity:.35;transform:scale(.72)}}
.glass{background:var(--card);border-radius:16px;box-shadow:var(--glass);backdrop-filter:blur(22px)}.card{padding:24px}.grid{display:grid;gap:20px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.feature{min-height:230px;position:relative;overflow:hidden;transition:transform .35s}.feature:hover{transform:translateY(-8px)}.feature::before{content:"";position:absolute;inset:auto -20% -70%;height:160px;background:radial-gradient(ellipse,rgba(182,217,252,.1),transparent 65%)}.icon-tile{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--fill);box-shadow:inset 0 0 0 1px var(--edge),0 0 28px rgba(182,217,252,.08);font-size:22px;margin-bottom:24px}.feature p{color:var(--mist);font-size:14px}.tag{display:inline-flex;border-radius:6px;padding:4px 8px;background:rgba(199,211,234,.1);box-shadow:inset 0 0 0 1px rgba(186,215,247,.08);color:var(--frost);font-size:12px}
.reveal{opacity:0;transform:translateY(30px);filter:blur(6px);transition:opacity .85s,transform .85s,filter .85s}.reveal.visible{opacity:1;transform:none;filter:none}.stagger>*{opacity:0;transform:translateY(18px)}.stagger.visible>*{animation:stagger-in .65s both}.stagger.visible>*:nth-child(2){animation-delay:.1s}.stagger.visible>*:nth-child(3){animation-delay:.2s}.stagger.visible>*:nth-child(4){animation-delay:.3s}@keyframes stagger-in{to{opacity:1;transform:none}}
.page-hero{padding:90px 0 54px;text-align:center}.page-hero h1{font-size:clamp(46px,8vw,86px);margin:14px 0}.form-card{width:min(610px,100%);margin:24px auto;padding:32px}.field{display:grid;gap:9px;text-align:left;margin-bottom:18px}.field label{font-size:13px;color:var(--mist)}.field input,.field select{width:100%;border:0;border-radius:6px;background:rgba(199,211,234,.06);box-shadow:inset 0 0 0 1px var(--edge);color:#fff;padding:13px 14px;outline:none;transition:.25s}.field input:focus,.field select:focus{box-shadow:inset 0 0 0 1px rgba(186,215,247,.3),0 0 24px rgba(182,217,252,.08)}.form-card .cta{width:100%;margin-top:5px;padding:13px}.security-note{display:flex;align-items:flex-start;gap:12px;text-align:left;margin-top:24px;padding:14px;border-radius:10px;background:rgba(199,211,234,.04);box-shadow:inset 0 0 0 1px rgba(186,215,247,.08);font-size:13px;color:var(--mist)}
.console{padding:0;overflow:hidden}.console-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid rgba(186,215,247,.08)}.console-body{min-height:280px;padding:14px}.log{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:13px;border-radius:10px;animation:log-in .5s both}.log:hover{background:rgba(199,211,234,.04)}@keyframes log-in{from{opacity:0;transform:translateX(-18px)}}.method{font:11px var(--mono);padding:4px 7px;border-radius:6px;background:var(--fill)}.log-main{min-width:0}.log-path{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ice);font:13px var(--mono)}.log-meta{color:var(--fog);font-size:12px;margin-top:4px}.status{font:12px var(--mono);color:#b6d9fc}.empty{display:grid;place-items:center;text-align:center;color:var(--fog);min-height:230px}.cors-alert{display:none;gap:14px;align-items:flex-start;margin:18px 0;padding:17px;border-radius:16px;background:rgba(228,109,76,.08);box-shadow:inset 0 0 0 1px rgba(228,109,76,.22),0 0 30px rgba(228,109,76,.06);color:#f3c4b7}.cors-alert.show{display:flex;animation:alert-in .45s both}@keyframes alert-in{from{opacity:0;transform:translateY(-12px)}}.cors-alert strong{color:#ffe0d7}.spinner{width:16px;height:16px;border:2px solid var(--edge);border-top-color:var(--ice);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{rotate:360deg}}
.download-card{display:flex;flex-direction:column;gap:16px;min-height:300px}.download-card .icon-tile{font:500 18px var(--mono)}.download-card .pill,.download-card .cta{margin-top:auto}.code{background:rgba(0,0,0,.28);border-radius:10px;padding:14px;box-shadow:inset 0 0 0 1px rgba(186,215,247,.07);font:12px/1.7 var(--mono);color:var(--mist);overflow:auto}.docs-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}.docs-nav{position:sticky;top:90px;padding:16px}.docs-nav a{display:block;padding:9px 11px;border-radius:8px;color:var(--fog);font-size:13px}.docs-nav a:hover{color:#fff;background:var(--fill)}.docs-content{display:grid;gap:20px}.docs-content article{padding:30px}.docs-content h2{font-size:28px;margin-bottom:14px}.docs-content h3{margin:24px 0 10px}.docs-content p,.docs-content li{color:var(--mist)}.docs-content code{font-family:var(--mono);font-size:.88em;color:var(--ice)}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{padding:20px;text-align:center}.metric strong{display:block;font:500 28px var(--display);color:var(--ice)}.metric span{font-size:12px;color:var(--fog)}
.footer{padding:38px 0;border-top:1px solid rgba(186,215,247,.07);color:var(--fog);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer a:hover{color:#fff}
@media(max-width:820px){.grid.three,.grid.two,.metric-row{grid-template-columns:1fr}.docs-layout{grid-template-columns:1fr}.docs-nav{position:static}.hero{min-height:710px}.float-card{width:210px}.float-card.left,.float-card.right{display:none}.float-card.bottom{width:260px;bottom:-2%}.hero-orbit{opacity:.32}.nav-links{display:none;position:absolute;top:66px;left:20px;right:20px;flex-direction:column;align-items:stretch;padding:12px;background:rgba(5,6,15,.96);border-radius:16px;box-shadow:var(--glass)}.nav-links.open{display:flex}.menu{display:block}.page{padding-top:32px}.footer-inner{flex-direction:column;text-align:center}.log{grid-template-columns:auto 1fr}.log .status{grid-column:2}.section{padding:52px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.cursor-glow{display:none}.reveal{opacity:1;transform:none;filter:none}}

/* Rich documentation, bilingual controls, and restored information architecture */
.language-select{border:0;border-radius:999px;background:rgba(199,211,234,.07);box-shadow:inset 0 0 0 1px var(--edge);color:var(--frost);padding:8px 30px 8px 12px;font-size:13px;outline:none}.language-select option{background:#0d1020;color:#fff}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}.section-head h2{margin:12px 0}.section-head p{color:var(--mist)}.number{font:12px var(--mono);color:var(--blueprint);margin-bottom:16px}.step-card{min-height:250px}.step-card p,.reason-card p{color:var(--mist);font-size:14px}.reason-card{min-height:210px}.reason-card h3{margin:18px 0 9px}.wide-card{padding:34px}.info-list{display:grid;gap:12px;padding:0;list-style:none}.info-list li{display:flex;gap:12px;color:var(--mist)}.info-list li::before{content:'✦';color:var(--blueprint)}
.comparison-wrap{overflow-x:auto}.comparison{width:100%;border-collapse:collapse;min-width:760px}.comparison th,.comparison td{text-align:left;padding:15px;border-bottom:1px solid rgba(186,215,247,.09)}.comparison th{color:#fff;font-weight:500}.comparison td{color:var(--mist)}.comparison .yes{color:#bfe6ff}.comparison .limited{color:#eac39d}
.brand-icon{font-size:31px;color:var(--ice)}.download-group{margin-bottom:50px}.download-group>h2{font-size:32px;margin:0 0 20px}.quick-steps{counter-reset:quick;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quick-step{padding:24px}.quick-step::before{counter-increment:quick;content:counter(quick);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--violet);margin-bottom:18px}.quick-step p{color:var(--mist)}
.notice{display:flex;gap:14px;padding:18px;border-radius:14px;background:rgba(182,217,252,.045);box-shadow:inset 0 0 0 1px var(--edge);color:var(--mist)}.notice.warn{background:rgba(228,169,76,.07);box-shadow:inset 0 0 0 1px rgba(228,169,76,.2)}.notice strong{display:block;color:var(--ice);margin-bottom:4px}.faq-list{display:grid;gap:12px}.faq-item{overflow:hidden}.faq-item>button{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;color:var(--ice);padding:20px 22px;cursor:pointer;font-weight:500}.faq-item>button::after{content:'+';font-size:22px;transition:.25s}.faq-item.open>button::after{rotate:45deg}.faq-answer{display:none;padding:0 22px 22px;color:var(--mist)}.faq-item.open .faq-answer{display:block;animation:alert-in .3s both}.faq-answer p{margin:0}.anchor{scroll-margin-top:100px}.flow-line{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:24px}.flow-line span{padding:8px 12px;border-radius:999px;background:var(--fill);box-shadow:inset 0 0 0 1px var(--edge);font:12px var(--mono)}.flow-line i{color:var(--fog)}
@media(max-width:820px){.quick-steps{grid-template-columns:1fr}.wide-card{padding:24px}.nav{padding:10px 0}.nav-inner{display:grid;grid-template-columns:1fr;gap:9px}.brand{justify-self:center}.nav-links{display:flex;position:static;inset:auto;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;padding:0;background:transparent;border-radius:0;box-shadow:none}.nav-links.open{display:flex}.nav-links a{padding:7px 10px;font-size:12px}.nav-links .pill{padding:7px 11px}.language-select,.nav-links .language-select{width:auto;max-width:100%;padding:7px 28px 7px 10px;font-size:12px}.menu{display:none}}
@media(max-width:420px){.container{width:min(var(--max),calc(100% - 20px))}.nav-links{gap:3px}.nav-links a{padding:6px 8px}.language-select,.nav-links .language-select{padding-block:6px}}
html[lang="zh-TW"] .hero h1{font-size:clamp(52px,8vw,108px);line-height:1.02}