:root{color-scheme:dark;--bg:#08110d;--panel:#111b16;--line:#26352d;--text:#f5f7f6;--muted:#a8b5ae;--green:#50d978;--danger:#ff8e8e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}main{max-width:820px;margin:auto;padding:32px 18px 72px}.brand{color:var(--green);font-weight:900;letter-spacing:.08em}.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:clamp(20px,4vw,36px);margin:18px 0}h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.05;margin:.35em 0}h2{font-size:1.25rem;margin:2rem 0 .5rem}h3{font-size:1rem;margin:1.4rem 0 .3rem}p,li{color:var(--muted)}strong,a{color:var(--text)}a:hover{color:var(--green)}.meta{color:var(--green);font-weight:700}.notice{border-left:4px solid var(--green);padding:10px 16px;background:#17231d;border-radius:8px}.danger{border-left-color:var(--danger)}nav,footer{display:flex;gap:16px;flex-wrap:wrap}nav{margin:18px 0 28px}footer{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;color:var(--muted)}ul{padding-left:22px}.button{display:inline-block;background:var(--green);color:#06100b;text-decoration:none;font-weight:800;padding:12px 18px;border-radius:12px;margin:5px 8px 5px 0}@media(max-width:520px){main{padding-top:22px}.card{border-radius:16px;padding:20px}}