:root{--bg:#fff;--panel:#f6f7f8;--line:#e3e5e7;--ink:#18191c;--ink-2:#61666d;--faint:#9499a0;--pink:#f69;--pink-bg:#fff0f5;--pink-ink:#8c3854;--blue:#00aeec;--link:#0089bd;--r:12px;--sans:"PingFang SC", HarmonyOS_Regular, "Helvetica Neue", "Microsoft YaHei", system-ui, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:var(--link);text-decoration:none}.wrap{max-width:960px;margin:0 auto;padding:0 20px}.nav{justify-content:space-between;align-items:center;height:64px;display:flex}.brand{color:var(--ink);align-items:center;gap:8px;font-size:18px;font-weight:600;display:flex}.btn{border:1px solid var(--line);height:44px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:0 22px;font-size:15px;font-weight:600;display:inline-flex}.btn.primary{background:var(--pink);border-color:var(--pink);color:#fff}.muted{color:var(--ink-2)}.faint{color:var(--faint);font-size:13px}.card{border:1px solid var(--line);background:#fff;border-radius:16px}.chip{background:var(--pink-bg);color:var(--pink-ink);border-radius:6px;padding:3px 10px;font-size:13px;display:inline-block}.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.stat{background:var(--panel);text-align:center;border-radius:10px;padding:10px}.stat b{font-size:22px;display:block}.stat span{color:var(--ink-2);font-size:12px}.prose{max-width:720px;line-height:1.8}.prose h2{margin-top:28px;font-size:18px}@media (max-width:640px){.hero h1{font-size:30px!important}}