:root{--bg:#07080b;--bg2:#0d0f14;--card:#12151c;--line:rgba(255,255,255,.09);--text:#f5f6f8;--muted:#9aa3b2;--a:#3df5c8;--b:#7c6cff;--grad:linear-gradient(120deg,var(--a),var(--b));--r:22px;--max:1080px;
--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:17px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--a);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
nav{position:sticky;top:0;z-index:10;backdrop-filter:saturate(180%) blur(20px);background:rgba(7,8,11,.72);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.02em}
.brand img{width:26px;height:26px}
nav ul{display:flex;gap:28px;list-style:none;font-size:14px;color:var(--muted)}
nav ul a:hover,nav ul a[aria-current]{color:var(--text)}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-weight:600;font-size:16px;transition:transform .25s,box-shadow .25s}
.btn.p{background:var(--grad);color:#05110d;box-shadow:0 0 0 0 rgba(61,245,200,.4)}
.btn.p:hover{transform:translateY(-2px);box-shadow:0 10px 40px -8px rgba(61,245,200,.55)}
.btn.s{border:1px solid var(--line);background:rgba(255,255,255,.04)}.btn.s:hover{background:rgba(255,255,255,.09)}
.btn.sm{padding:7px 16px;font-size:13px}
.hero{position:relative;text-align:center;padding:130px 0 110px;overflow:hidden}
.hero::before{content:"";position:absolute;left:50%;top:-180px;width:900px;height:700px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(124,108,255,.38),transparent 70%),radial-gradient(closest-side at 70% 60%,rgba(61,245,200,.22),transparent 70%);filter:blur(30px);animation:drift 14s ease-in-out infinite alternate;z-index:-1}
@keyframes drift{to{transform:translateX(-46%) scale(1.08)}}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--a);margin-bottom:22px;text-transform:uppercase}
h1{font-size:clamp(44px,8vw,92px);line-height:1.05;font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(32px,5vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.025em}
h3{font-size:22px;font-weight:700}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(18px,2.2vw,24px);color:var(--muted);max-width:640px;margin:26px auto 40px}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.route{margin:70px auto 0;max-width:760px;height:90px}
.route path{stroke-dasharray:6 8;animation:flow 1.6s linear infinite}@keyframes flow{to{stroke-dashoffset:-28}}
section{padding:110px 0}
.head{text-align:center;margin-bottom:60px}.head p{color:var(--muted);margin-top:16px}
.feat{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--r);padding:36px 30px;position:relative;overflow:hidden;transition:border-color .3s,transform .3s}
.card:hover{border-color:rgba(61,245,200,.4);transform:translateY(-4px)}
.card p{color:var(--muted);margin-top:10px;font-size:16px}
.ico{width:46px;height:46px;border-radius:14px;background:rgba(61,245,200,.1);display:grid;place-items:center;margin-bottom:22px;color:var(--a);font-size:22px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{padding:32px 4px;border-top:1px solid var(--line)}.step::before{counter-increment:s;content:"0" counter(s);font-size:56px;font-weight:800;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.step p{color:var(--muted);font-size:16px;margin-top:8px}
.band{background:var(--bg2);border-block:1px solid var(--line);text-align:center}
.band p{color:var(--muted);max-width:620px;margin:18px auto 0}
.final{text-align:center}
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}footer ul{display:flex;gap:24px;list-style:none}footer a:hover{color:var(--text)}
.page-h{padding:90px 0 40px;text-align:center}.page-h h1{font-size:clamp(38px,6vw,64px)}
.os{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.os .card{display:flex;flex-direction:column;gap:6px}.os .card .btn{margin-top:18px;align-self:flex-start}
.tag{font-size:12px;color:#ffcf6b;border:1px dashed rgba(255,207,107,.5);border-radius:6px;padding:1px 8px;margin-left:8px;vertical-align:middle;font-weight:500}
.toc{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:50px}.toc a{padding:8px 18px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted)}.toc a:hover{color:var(--text);border-color:var(--a)}
details{border:1px solid var(--line);border-radius:16px;background:var(--card);margin-bottom:12px;padding:0 24px}
summary{cursor:pointer;padding:20px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between}summary::after{content:"+";color:var(--a);font-size:24px;line-height:1}details[open] summary::after{content:"–"}
details p{color:var(--muted);padding-bottom:20px;font-size:16px}
.prose{max-width:720px;margin:0 auto}.prose h2{font-size:28px;margin:48px 0 12px}.prose p,.prose li{color:var(--muted);margin-bottom:12px}.prose ul{padding-left:22px}
.contact{display:grid;gap:20px;grid-template-columns:repeat(2,1fr);max-width:760px;margin:0 auto}
.contact .card a.v{display:block;margin-top:14px;font-size:20px;font-weight:600}
.reveal{opacity:0;transform:translateY(28px);animation:up .9s cubic-bezier(.2,.7,.2,1) forwards;animation-timeline:view();animation-range:entry 0% entry 35%}
@keyframes up{to{opacity:1;transform:none}}
@media(max-width:760px){nav ul{display:none}.feat,.steps,.contact{grid-template-columns:1fr}.hero{padding:80px 0}section{padding:70px 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.spot{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:56px;border:1px solid var(--line);border-radius:32px;background:radial-gradient(600px 300px at 90% 0,rgba(124,108,255,.18),transparent),linear-gradient(180deg,var(--card),var(--bg2));margin-bottom:20px}
.spot p{color:var(--muted);margin-top:16px}
.cmp{display:grid;gap:12px}.cmp div{padding:18px 20px;border-radius:16px;font-size:15px;border:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}
.cmp .bad{color:#ff8f9a;border-color:rgba(255,143,154,.3);background:rgba(255,143,154,.06)}.cmp .ok{color:var(--a);border-color:rgba(61,245,200,.35);background:rgba(61,245,200,.07)}
.places{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}.places span{padding:10px 20px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:15px}
@media(max-width:760px){.spot{grid-template-columns:1fr;padding:30px 24px}}

.os .card .more{margin-top:4px;font-size:14px;color:var(--a);align-self:flex-start}.os .card .more:hover{text-decoration:underline}