:root{color-scheme:light;--ink:#211e35;--muted:#5d586e;--accent:#5144ba;--paper:#fbfaff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 "Segoe UI","Microsoft YaHei UI",sans-serif}a{color:var(--accent);text-underline-offset:.25em}a:focus-visible,summary:focus-visible{outline:3px solid #6353e0;outline-offset:5px}.wrap{width:min(1080px,calc(100% - 44px));margin:auto}.top,.footer{display:flex;align-items:center;justify-content:space-between;gap:20px}.top{height:76px;border-bottom:1px solid #e9e4f4}.brand{font-weight:800;text-decoration:none;color:var(--ink);font-size:20px}.brand span:last-child{color:var(--muted);font-size:15px}.dot{display:inline-block;width:12px;height:12px;background:#7665de;border-radius:50%;margin-right:8px}.top nav{display:flex;gap:22px;font-size:14px}.top nav a{color:var(--muted);text-decoration:none}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:32px;padding:80px 0 90px}.eyebrow,.preview{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.09em}.preview{letter-spacing:0;background:#eeeafd;display:inline-block;padding:2px 12px;border-radius:24px}h1,h2,h3,p{margin:0 0 12px}h1{font-size:clamp(44px,7vw,76px);line-height:1.12;letter-spacing:-.055em}h2{font-size:clamp(28px,4vw,38px);line-height:1.2}.lead{font-size:19px;max-width:38ch;color:var(--muted);margin:22px 0 28px}.button{display:inline-flex;gap:24px;align-items:center;padding:12px 20px;border-radius:10px;background:#5040b8;color:white;text-decoration:none;font-weight:700}.meta{font-size:13px;color:var(--muted);margin-top:12px}.art{min-height:290px;display:grid;place-items:center;position:relative;isolation:isolate}.orbit{position:absolute;width:min(100%,350px);aspect-ratio:1;border:1px solid #ddd4f6;border-radius:50%;background:radial-gradient(circle,#eee8ff 0%,transparent 70%);z-index:-1}.orb{width:55%;max-width:200px;aspect-ratio:1;border-radius:50%;display:flex;justify-content:center;align-items:center;gap:12%;background:radial-gradient(circle at 30% 15%,#e4dcff,#927cf0 50%,#5645ba 90%);box-shadow:0 22px 65px #8164d45c,inset 0 1px 8px #f0eaff;transform:rotate(14deg)}.orb i{width:9%;height:30%;background:#fff;border-radius:999px}.band{background:#f1edfc;padding:54px 0}.steps{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.steps article{border-top:1px solid #ccc1e8;padding-top:16px}.steps span{font-size:13px;color:var(--accent);font-weight:700}.steps p,.release p{color:var(--muted)}.release{padding:56px 0}.release ul{padding-left:22px}.release code{display:block;overflow-wrap:anywhere;padding:8px 0}.release summary{cursor:pointer}.footer{border-top:1px solid #e9e4f4;padding:22px 0;color:var(--muted);font-size:13px}@media(max-width:650px){.hero{grid-template-columns:1fr;padding:42px 0;gap:10px}.art{min-height:235px}.orbit{width:220px}.orb{width:124px}.steps{grid-template-columns:1fr;gap:10px}.top nav{gap:10px}.footer{align-items:flex-start}}

