:root{--ink:#edf3ff;--muted:#9caac7;--bg:#070b18;--panel:#10182b;--line:#263451;--violet:#8b5cf6;--cyan:#4fd1c5;--gold:#f6c96b;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei",system-ui,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:10;background:rgba(7,11,24,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.08em}.brand img{width:38px;height:38px}.brand span{color:#fff}.links{display:flex;gap:24px;color:var(--muted);font-size:14px}.links a:hover,.links a[aria-current="page"]{color:var(--cyan)}.hero{padding:86px 0 70px;background:radial-gradient(circle at 78% 20%,rgba(139,92,246,.2),transparent 36%),linear-gradient(135deg,#0c1224,#080b18 65%)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}.eyebrow{color:var(--cyan);font-size:13px;letter-spacing:.18em;text-transform:uppercase}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.12;margin:14px 0 20px;max-width:660px;letter-spacing:0}.hero p{font-size:18px;color:#c1cce2;max-width:650px;margin:0 0 30px}.actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:8px;background:var(--violet);color:#fff;font-weight:700;border:1px solid transparent;transition:.2s}.btn:hover{transform:translateY(-2px);filter:brightness(1.1)}.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}.orb{min-height:330px;display:grid;place-items:center;position:relative}.orb:before{content:"";width:260px;height:260px;border:1px solid rgba(79,209,197,.45);border-radius:50%;box-shadow:0 0 0 22px rgba(79,209,197,.04),0 0 80px rgba(139,92,246,.38);position:absolute}.orbit{width:330px;height:120px;border:1px solid rgba(246,201,107,.35);border-radius:50%;transform:rotate(-22deg);position:absolute}.orb-core{position:relative;width:132px;height:132px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#7c3aed,#172554);box-shadow:0 0 55px rgba(139,92,246,.55);font-size:42px}.section{padding:76px 0}.section.alt{background:#0a1020}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section h2{font-size:32px;line-height:1.2;margin:0}.section-head p{color:var(--muted);margin:0;max-width:540px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px}.card h3{margin:12px 0 7px;font-size:19px}.card p{color:var(--muted);margin:0}.icon{color:var(--gold);font-size:24px}.screens{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:start}.screens figure{margin:0}.screens img{display:block;width:100%;max-width:400px;height:auto;border-radius:12px;border:1px solid var(--line);background:#111}.screens figcaption{font-size:13px;color:var(--muted);margin-top:9px}.statbar{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);margin-top:40px}.stat{padding:22px 12px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{display:block;font-size:27px;color:var(--cyan)}.stat span{font-size:13px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px}.list{display:grid;gap:12px}.list li{list-style:none;padding:15px 17px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.list ul{margin:0;padding:0}.list strong{display:block;color:#fff}.list span{color:var(--muted);font-size:14px}.page-hero{padding:64px 0 42px;background:linear-gradient(120deg,#101b39,#0a1020)}.page-hero h1{font-size:clamp(32px,5vw,52px);margin:8px 0 12px;line-height:1.15}.page-hero p{max-width:720px;color:#b9c5db;margin:0}.prose{max-width:820px}.prose h2{font-size:25px;margin:42px 0 12px}.prose p{color:#c0cbe0;margin:0 0 16px}.steps{display:grid;gap:14px;counter-reset:step}.step{counter-increment:step;display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}.step:before{content:counter(step,decimal-leading-zero);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#18264a;color:var(--cyan);font-weight:800}.faq{display:grid;gap:12px}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);margin:10px 0 0}.footer{border-top:1px solid var(--line);padding:30px 0 44px;color:var(--muted);font-size:13px}.footer-row{display:flex;justify-content:space-between;gap:20px}.notice{padding:16px 18px;border-left:3px solid var(--gold);background:#171523;color:#cbd2e2;margin-top:24px}.download-band{background:linear-gradient(110deg,#18204a,#11182d);padding:34px;border:1px solid #32416d;border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:20px}.download-band h2{margin:0 0 6px;font-size:24px}.download-band p{margin:0;color:var(--muted)}@media(max-width:820px){.hero-grid,.split{grid-template-columns:1fr;gap:34px}.hero{padding-top:58px}.orb{min-height:240px}.orb:before{width:190px;height:190px}.orbit{width:260px}.cards{grid-template-columns:1fr 1fr}.screens{grid-template-columns:repeat(2,1fr)}.links{gap:12px}.nav{height:64px}.brand{font-size:14px}}@media(max-width:560px){.wrap{width:min(var(--max),calc(100% - 28px))}.links a:nth-child(2){display:none}.hero h1{font-size:39px}.hero p{font-size:16px}.section{padding:54px 0}.cards,.screens{grid-template-columns:1fr 1fr;gap:11px}.card{padding:17px}.statbar{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-row{flex-direction:column}.download-band{display:block}.download-band .btn{margin-top:18px}}
.section-head .section-copy{color:var(--muted);margin:0;max-width:540px}.download-band .section-copy{margin:0;color:var(--muted)}