:root{--p:#6d28d9;--p2:#a855f7;--p050:#f2ecfd;--ink:#181423;--ink2:#5b5470;--bg:#faf9fe;--bd:#eae6f3}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:var(--p);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(820px,92%);margin:0 auto}
header{background:#fff;border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.logo small{display:block;font-size:9px;font-weight:600;letter-spacing:.16em;color:var(--p);margin-top:-2px}
.back{font-size:14px;font-weight:600}
article{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:40px 44px;margin:34px 0 60px;box-shadow:0 12px 40px rgba(80,50,160,.06)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--p);background:var(--p050);padding:5px 12px;border-radius:999px;margin-bottom:14px}
article h1{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.updated{color:var(--ink2);font-size:13.5px;margin:8px 0 22px}
article h2{font-size:18px;font-weight:700;margin:26px 0 8px}
article p,article li{color:#3a3450;font-size:15.5px;margin-bottom:10px}
article ul{padding-left:22px;margin-bottom:12px}
article li{margin-bottom:6px}
article b{color:var(--ink)}
.callout{background:var(--p050);border:1px solid #e2d7f7;border-radius:12px;padding:16px 18px;margin:18px 0;font-size:15px}
.contact-card{display:grid;gap:10px;margin-top:8px}
.contact-card div{background:var(--bg);border:1px solid var(--bd);border-radius:12px;padding:14px 16px}
.contact-card b{display:block;font-size:12px;color:var(--ink2);font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px}
.foot{color:var(--ink2);font-size:13px;text-align:center;padding:0 0 40px}
.foot a{margin:0 8px}
.todo{background:#fff7e6;border:1px solid #f6dca1;color:#7a5a1e;border-radius:12px;padding:14px 16px;font-size:13.5px;margin:14px 0}
@media(max-width:560px){article{padding:28px 22px}}