:root{color-scheme:dark;--bg:#0b0f0e;--surface:#151a19;--surface2:#1e2524;--text:#f4f7f6;--muted:#a7b1ae;--line:#2a3230;--primary:#4fd1b5;--red:#e5273a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
header{background:var(--surface);border-bottom:1px solid var(--line)}
.wrap{width:min(880px,calc(100% - 32px));margin:0 auto}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{color:var(--text);font-size:18px;font-weight:800;text-decoration:none;display:flex;align-items:center;gap:10px}
.dot{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,#4fd1b5,#2fa88f);display:inline-block}
nav{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
nav a{color:var(--muted);font-size:14px;font-weight:700;text-decoration:none}
nav a:hover,nav a:focus{color:var(--primary)}
main{padding:42px 0 56px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(24px,4vw,44px)}
h1{margin:0 0 8px;font-size:clamp(30px,6vw,44px);line-height:1.08}
h2{margin:30px 0 10px;font-size:21px;color:var(--text)}
h3{margin:22px 0 8px;font-size:17px;color:var(--text)}
p,li{color:var(--muted)}
.lead{margin:0 0 26px;color:var(--muted);font-size:18px}
a{color:var(--primary)}
ul{padding-left:22px}
.notice{margin:18px 0;padding:16px 18px;background:rgba(229,39,58,.08);border:1px solid rgba(229,39,58,.35);border-radius:12px;color:#ffd7db}
.notice strong{color:#ff8a95}
.contact{margin-top:18px;padding:16px;background:var(--surface2);border:1px solid var(--line);border-radius:12px}
footer{padding:24px 0 40px;color:var(--muted);font-size:14px}
@media(max-width:560px){.topbar{align-items:flex-start;flex-direction:column}nav{justify-content:flex-start}}