:root{--ink:#17151f;--muted:#6f6a78;--line:#e9e6ef;--soft:#f7f5fb;--brand:#6d4fe0;--dark:#5638c6;--pale:#eee9ff}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:var(--dark);text-decoration:none}.wrap{width:min(1040px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:5;background:#fffffff2;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav-in{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:700}.brand img{width:38px;height:38px;border-radius:10px}.links{display:flex;gap:20px;font-size:14px}.hero{padding:90px 0 72px;background:radial-gradient(circle at 80% 20%,#eee9ff 0,transparent 34%),linear-gradient(#fff,#faf9fd)}.eyebrow{color:var(--brand);font-weight:700;letter-spacing:.08em}h1{margin:12px 0 20px;font-size:clamp(40px,7vw,72px);line-height:1.1;letter-spacing:-.04em}.lead{max-width:760px;margin:0;color:var(--muted);font-size:clamp(18px,2.4vw,22px)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;min-height:46px;padding:0 22px;border-radius:999px;background:var(--brand);color:white;font-weight:700}.button.secondary{background:var(--pale);color:var(--dark)}.section{padding:70px 0}.section.soft{background:var(--soft)}.section h2{margin:0 0 28px;font-size:clamp(28px,4vw,40px)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:25px;border:1px solid var(--line);border-radius:22px;background:white;box-shadow:0 12px 36px #2818530f}.card h3{margin:0 0 8px}.card p{margin:0;color:var(--muted)}.note{margin-top:28px;padding:18px 22px;border-left:4px solid var(--brand);border-radius:8px;background:var(--pale)}.document{width:min(820px,calc(100% - 40px));margin:auto;padding:60px 0 78px}.document h1{font-size:clamp(34px,6vw,52px)}.document h2{margin-top:40px;font-size:25px}.document h3{margin-top:25px;font-size:19px}.document p,.document li{color:#403b49}.meta{color:var(--muted)!important}.footer{padding:32px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.footer-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px}@media(max-width:760px){.wrap{width:calc(100% - 28px)}.nav-in{min-height:60px}.links a:first-child{display:none}.links{gap:13px}.hero{padding:66px 0 56px}.section{padding:52px 0}.grid{grid-template-columns:1fr}.document{width:calc(100% - 30px);padding-top:40px}}