:root{--bg:#07080f;--bg2:#0d0f1a;--card:rgba(255,255,255,.035);--bd:rgba(255,255,255,.08);--bd2:rgba(255,255,255,.14);--tx:#e8eaf2;--mu:#9aa0b4;--a:#8b7bff;--b:#22d3ee;--c:#f472b6;--r:16px;
--font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}h1,h2,h3{letter-spacing:-.02em;line-height:1.15;margin:0}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}.narrow{max-width:820px}
/* background */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45}
.b1{width:620px;height:620px;background:#6d5dfc;top:-220px;left:-120px;animation:fl 18s ease-in-out infinite}
.b2{width:520px;height:520px;background:#0ea5e9;top:-120px;right:-160px;opacity:.3;animation:fl 22s ease-in-out infinite reverse}
.b3{width:460px;height:460px;background:#db2777;top:380px;left:40%;opacity:.16;animation:fl 26s ease-in-out infinite}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 30%,transparent 75%)}
@keyframes fl{50%{transform:translate(60px,40px) scale(1.08)}}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,8,15,.6);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--bd)}
.nav-in{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap}
.links{display:flex;gap:24px;font-size:14px;color:var(--mu)}.links a:hover{color:var(--tx)}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;border:1px solid var(--bd);border-radius:999px;padding:3px;background:rgba(255,255,255,.03)}
.lang button{background:none;border:0;color:var(--mu);font:500 12px var(--font);padding:5px 10px;border-radius:999px;cursor:pointer}
.lang button[aria-pressed=true]{background:rgba(255,255,255,.1);color:#fff}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:11px 20px;border-radius:10px;color:#fff;background:linear-gradient(135deg,#7c6cff,#5b8cff);box-shadow:0 8px 30px -8px rgba(124,108,255,.7),inset 0 1px 0 rgba(255,255,255,.25);transition:transform .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 36px -8px rgba(124,108,255,.9),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-sm{padding:8px 14px;font-size:13px}.btn-lg{padding:14px 24px;font-size:16px}
.btn-ghost{background:rgba(255,255,255,.05);border:1px solid var(--bd2);box-shadow:none}.btn-ghost:hover{background:rgba(255,255,255,.09);box-shadow:none}
.btn-white{background:#fff;color:#0b0c14;box-shadow:0 10px 30px -10px rgba(255,255,255,.5)}
/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:96px;padding-bottom:72px}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#cfd3e6;padding:6px 14px;border:1px solid var(--bd2);border-radius:999px;background:rgba(255,255,255,.04);margin-bottom:24px}
.pill:hover{border-color:rgba(139,123,255,.6)}
.dot{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 10px #34d399}
h1{font-size:clamp(38px,5.4vw,64px);font-weight:800}h1 span{display:block}
.grad{background:linear-gradient(90deg,#a99bff,#22d3ee,#f472b6,#a99bff);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gm 8s linear infinite}
@keyframes gm{to{background-position:300% 0}}
.lead{font-size:19px;color:var(--mu);margin:22px 0 32px;max-width:540px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}.fine{font-size:13px;color:#6f7590;margin-top:18px}
/* code card */
.code-card{position:relative;border-radius:var(--r);background:linear-gradient(180deg,rgba(22,24,40,.92),rgba(12,13,24,.92));border:1px solid var(--bd2);box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(139,123,255,.08),0 0 80px -20px rgba(109,93,252,.45);overflow:hidden}
.code-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgba(139,123,255,.6),transparent 40%,rgba(34,211,238,.4));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.code-top{display:flex;align-items:center;gap:16px;padding:12px 16px;border-bottom:1px solid var(--bd)}
.dots{display:flex;gap:6px}.dots i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.tabs{display:flex;gap:4px}.tabs button{background:none;border:0;color:var(--mu);font:500 12px var(--font);padding:5px 10px;border-radius:6px;cursor:pointer}
.tabs button.on{background:rgba(255,255,255,.08);color:#fff}
.code{margin:0;padding:20px 20px;font:13.5px/1.75 var(--mono);color:#c9d1e6;overflow-x:auto}
.k{color:#c792ea}.s{color:#a5e3a0}.hl{display:inline-block;background:rgba(34,211,238,.12);box-shadow:-20px 0 0 rgba(34,211,238,.12);border-left:2px solid var(--b);margin-left:-20px;padding-left:18px;padding-right:10px;width:calc(100% + 20px)}
.code-foot{display:flex;gap:14px;align-items:center;padding:10px 16px;border-top:1px solid var(--bd);font-size:12px;color:var(--mu)}.ok{color:#34d399;font-family:var(--mono)}
/* trust */
.trust{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--bd);border-radius:var(--r);background:var(--card);position:relative;margin-bottom:24px}
.stat{padding:26px 24px;text-align:center;border-right:1px solid var(--bd)}.stat:nth-child(4){border-right:0}
.stat b{display:block;font-size:30px;font-weight:700;background:linear-gradient(180deg,#fff,#a8b0c8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--mu)}
.note{grid-column:1/-1;font-size:12px;color:#6f7590;text-align:center;margin:0;padding:0 0 12px}
/* sections */
.sec{padding:96px 24px 0}
.head{text-align:center;max-width:680px;margin:0 auto 52px}.head h2{font-size:clamp(28px,3.6vw,42px);font-weight:700}.head p{color:var(--mu);margin:14px 0 0;font-size:17px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:linear-gradient(90deg,#a99bff,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}
.tag{display:inline-block;font-size:12px;font-weight:500;color:#fcd34d;background:rgba(252,211,77,.08);border:1px solid rgba(252,211,77,.25);padding:4px 12px;border-radius:999px}
/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;padding:28px;border-radius:var(--r);background:var(--card);border:1px solid var(--bd);transition:transform .3s,border-color .3s,background .3s;overflow:hidden}
.card::after{content:"";position:absolute;inset:-1px;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(139,123,255,.15),transparent 45%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover{transform:translateY(-4px);border-color:rgba(139,123,255,.35)}.card:hover::after{opacity:1}
.card h3{font-size:18px;margin:18px 0 8px}.card p{color:var(--mu);margin:0;font-size:15px}
.ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(139,123,255,.25),rgba(34,211,238,.15));border:1px solid rgba(139,123,255,.3)}
.ic svg{width:22px;height:22px;fill:none;stroke:#c4bcff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
.steps::before{content:"";position:absolute;top:44px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,rgba(139,123,255,.5),rgba(34,211,238,.5),transparent)}
.step{position:relative;padding:28px;text-align:center}
.num{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;font:600 15px var(--mono);background:var(--bg2);border:1px solid rgba(139,123,255,.45);box-shadow:0 0 30px -6px rgba(139,123,255,.6);margin-bottom:18px;position:relative}
.step h3{font-size:18px;margin-bottom:8px}.step p{color:var(--mu);margin:0;font-size:15px}
/* regions */
.region-box{display:grid;grid-template-columns:1fr 1.25fr;gap:40px;align-items:center;padding:48px;border-radius:24px;border:1px solid var(--bd);background:radial-gradient(ellipse at 80% 30%,rgba(34,211,238,.1),transparent 60%),var(--card)}
.region-copy h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px}.region-copy>p{color:var(--mu)}
.rlist{list-style:none;padding:0;margin:20px 0}.rlist li{display:flex;align-items:center;gap:10px;padding:6px 0}
.rlist i{width:8px;height:8px;border-radius:50%;background:var(--b);box-shadow:0 0 10px var(--b)}
.region-copy .note{text-align:left;padding:0}
.map{width:100%;height:auto}.nodes circle:not([fill]){fill:#fff}
.arcs path{stroke-dasharray:6 6;animation:dash 3s linear infinite}@keyframes dash{to{stroke-dashoffset:-24}}
.nodes circle[fill]{animation:pulse 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center}@keyframes pulse{50%{transform:scale(1.6);opacity:.4}}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;padding:32px;border-radius:20px;background:var(--card);border:1px solid var(--bd)}
.plan h3{font-size:18px;color:#cfd3e6}.price{margin:16px 0 4px}.price b{font-size:40px;font-weight:800;letter-spacing:-.02em}.price span{color:var(--mu);font-size:14px;margin-left:8px}
.plan>p{color:var(--mu);font-size:14px;margin:0 0 20px}
.plan ul{list-style:none;padding:20px 0 0;margin:0 0 28px;border-top:1px solid var(--bd);flex:1}
.plan li{padding:6px 0 6px 28px;position:relative;font-size:15px}
.plan li::before{content:"";position:absolute;left:0;top:10px;width:16px;height:16px;border-radius:50%;background:rgba(52,211,153,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.5l2 2 5-5' fill='none' stroke='%2334d399' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/16px}
.plan .btn{width:100%}
.hot{background:linear-gradient(180deg,rgba(124,108,255,.16),rgba(124,108,255,.03));border-color:rgba(139,123,255,.55);box-shadow:0 30px 80px -30px rgba(124,108,255,.6);transform:scale(1.03)}
.badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:linear-gradient(90deg,#7c6cff,#22d3ee);white-space:nowrap}
.table-wrap{margin-top:40px;border:1px solid var(--bd);border-radius:var(--r);overflow-x:auto;background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--bd)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--mu);font-weight:600;background:rgba(255,255,255,.02)}
td:first-child{font-family:var(--mono);font-size:14px}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:rgba(255,255,255,.025)}
/* models */
.models{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.m{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:14px;border:1px solid var(--bd);background:var(--card);transition:border-color .25s,transform .25s}
.m:hover{border-color:var(--bd2);transform:translateY(-2px)}
.m b{font-size:15px;font-weight:600}.m small{margin-left:auto;color:var(--mu);font-size:12px}
.mk{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:700;color:#fff;background:var(--c);box-shadow:0 6px 20px -6px var(--c)}
/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{margin:0;padding:28px;border-radius:var(--r);border:1px solid var(--bd);background:var(--card);display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.quote blockquote{margin:0;font-size:16px;color:#d6d9e6}.quote blockquote::before{content:"“";display:block;font-size:44px;line-height:.6;color:var(--a);margin-bottom:10px}
.quote figcaption{display:flex;align-items:center;gap:12px}.quote figcaption span:last-child{display:flex;flex-direction:column}.quote small{color:var(--mu);font-size:13px}
.av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:700;background:linear-gradient(135deg,#7c6cff,#22d3ee)}
/* faq */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid var(--bd);border-radius:14px;background:var(--card);transition:border-color .25s}
.faq details[open]{border-color:rgba(139,123,255,.4);background:rgba(139,123,255,.05)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--mu);border-bottom:2px solid var(--mu);transform:rotate(45deg);transition:transform .25s;margin-top:-4px}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq details p{margin:0;padding:0 22px 20px;color:var(--mu);word-break:break-word}
/* cta */
.cta{margin:110px 0 0;padding:64px 32px;text-align:center;border-radius:28px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 20% 0%,rgba(139,123,255,.55),transparent 60%),radial-gradient(ellipse at 90% 100%,rgba(34,211,238,.4),transparent 55%),#11122a;border:1px solid rgba(139,123,255,.35)}
.cta h2{font-size:clamp(28px,3.6vw,42px)}.cta p{color:#c8cbe0;margin:14px auto 30px;max-width:560px}.cta .hero-btns{justify-content:center}
/* footer */
.foot{margin-top:110px;border-top:1px solid var(--bd);background:rgba(0,0,0,.25)}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-top:56px;padding-bottom:40px}
.foot-brand p{color:var(--mu);font-size:14px;max-width:300px}
.foot h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:#cfd3e6;margin:4px 0 14px}
.foot-in>div>a{display:block;color:var(--mu);font-size:14px;padding:4px 0}.foot-in>div>a:hover{color:var(--tx)}
.status{display:flex;align-items:center;gap:8px}.status i{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399}
.foot-bot{border-top:1px solid var(--bd);padding-top:20px;padding-bottom:28px;font-size:13px;color:#6f7590}
/* reveal */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal[data-delay="1"]{transition-delay:.1s}.js .reveal[data-delay="2"]{transition-delay:.2s}
.js .reveal.in{opacity:1;transform:none}
.js .hot.reveal.in{transform:scale(1.03)}
:focus-visible{outline:2px solid var(--b);outline-offset:2px}
/* responsive */
@media (max-width:960px){.hero{grid-template-columns:1fr;padding-top:64px}.cards,.quotes{grid-template-columns:1fr 1fr}.region-box{grid-template-columns:1fr;padding:32px}.plans{grid-template-columns:1fr;max-width:460px;margin:0 auto}.hot,.js .hot.reveal.in{transform:none}.models{grid-template-columns:repeat(2,1fr)}.links{display:none}.foot-in{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media (max-width:640px){.wrap{padding:0 18px}.sec{padding:72px 18px 0}.nav-r .btn-sm{display:none}.nav-in{gap:12px}.brand span{font-size:15px}
.cards,.quotes,.steps{grid-template-columns:1fr}.steps::before{display:none}.trust{grid-template-columns:1fr 1fr}.stat{border-right:0;border-bottom:1px solid var(--bd)}.stat:nth-child(odd){border-right:1px solid var(--bd)}
.models{grid-template-columns:1fr 1fr}.m small{display:none}.lead{font-size:17px}.code{font-size:12px;padding:16px}.hl{margin-left:-16px;padding-left:14px}.code-foot{flex-wrap:wrap;gap:6px}.region-box{padding:24px}.cta{padding:48px 20px}.hero-btns .btn{flex:1 1 100%}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}}