:root{--ink: #14201c;--muted: #4a5c55;--paper: #f3f6f4;--card: rgba(255, 255, 255, .72);--line: rgba(20, 32, 28, .12);--accent: #0f6b5c;--accent-2: #c4a35a;--shadow: 0 18px 50px rgba(20, 32, 28, .08);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;position:relative}.bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(900px 500px at 12% -10%,rgba(15,107,92,.18),transparent 60%),radial-gradient(700px 420px at 90% 10%,rgba(196,163,90,.16),transparent 55%),linear-gradient(180deg,#eef3f0,#f7f8f6 45%,#e9efec)}.top{max-width:960px;margin:0 auto;padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:700;letter-spacing:.08em;text-decoration:none;color:var(--ink)}nav{display:flex;gap:1rem}nav a{color:var(--muted);text-decoration:none;font-size:.95rem}nav a:hover{color:var(--accent)}main{max-width:960px;margin:0 auto;padding:1rem 1.5rem 4rem}.hero{padding:3.5rem 0 2.5rem}.eyebrow{margin:0 0 .75rem;color:var(--accent);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase}h1{margin:0 0 1rem;font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;letter-spacing:-.02em}.lede{max-width:38rem;margin:0 0 1.75rem;color:var(--muted);font-size:1.05rem}.actions{display:flex;flex-wrap:wrap;gap:.75rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.1rem;border-radius:999px;text-decoration:none;font-size:.95rem;border:1px solid transparent}.btn.primary{background:var(--accent);color:#fff}.btn.ghost{border-color:var(--line);color:var(--ink);background:#ffffff73}.panel{margin-top:1rem;padding:1.4rem 1.5rem;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.panel h2{margin:0 0 .6rem;font-size:1.2rem}.panel p{margin:0;color:var(--muted)}.steps{margin:0;padding-left:1.2rem;color:var(--muted)}.steps li{margin:.45rem 0}.steps strong{color:var(--ink)}.steps code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:#0f6b5c14;padding:.1em .35em;border-radius:6px}footer{max-width:960px;margin:0 auto;padding:1rem 1.5rem 2rem;display:flex;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.85rem}@media(max-width:640px){.hero{padding-top:2rem}nav{gap:.75rem}}