:root{color-scheme:dark;--bg:#070b12;--panel:#0e1623;--soft:#132033;--text:#eef6ff;--muted:#9fb0c9;--line:#22344d;--brand:#7cff5b;--cyan:#61d8ff;--warn:#ffcc66}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#07111d,#06080d 42%,#090d14);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.nav{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:16px 5vw;background:rgba(7,11,18,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:22px}.brand span{color:var(--brand)}.navlinks{display:flex;gap:18px;align-items:center;color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;padding:10px 16px;background:#101b2a;color:var(--text);font-weight:700}.btn.primary{background:linear-gradient(135deg,var(--brand),#23d1ff);color:#061019;border:0}.hero{padding:76px 5vw 38px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.08em}.hero h1{font-size:clamp(36px,5vw,72px);line-height:1.08;margin:12px 0}.hero p{color:var(--muted);font-size:18px;max-width:760px}.hero-card{background:radial-gradient(circle at 20% 20%,rgba(124,255,91,.18),transparent 35%),var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px}.metric{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.metric div,.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.metric b{font-size:26px;color:var(--cyan)}section{padding:50px 5vw}.section-title{font-size:32px;margin:0 0 8px}.section-sub{color:var(--muted);margin:0 0 22px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card h3{margin:0 0 8px}.card p,.card li{color:var(--muted)}.card ul{padding-left:18px}.band{background:#0b1320;border-block:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:18px;border-left:3px solid var(--brand);background:var(--panel)}.form{display:grid;gap:12px;max-width:760px}.form input,.form textarea,.form select{width:100%;background:#08111d;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:13px;font:inherit}.form textarea{min-height:130px}.notice{color:var(--muted);font-size:14px}.footer{padding:30px 5vw;border-top:1px solid var(--line);color:var(--muted)}@media(max-width:900px){.hero,.grid,.steps{grid-template-columns:1fr}.nav{align-items:flex-start;gap:12px}.navlinks{flex-wrap:wrap}.hero{padding-top:42px}}