:root{--bg:#f5f7fb;--surface:#fff;--ink:#20242b;--muted:#697386;--line:#dfe4ea;--accent:#2b5da8;--accent2:#173a70;--danger:#b42318;--ok:#067647;--shadow:0 8px 28px rgba(17,24,39,.08)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}body{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{background:#111827;color:#fff}.site-header .wrap{max-width:1120px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;letter-spacing:.02em;color:#fff}.site-nav{display:flex;gap:18px;flex-wrap:wrap}.site-nav a{color:#dbeafe}.hero{max-width:1120px;margin:48px auto 24px;padding:0 24px}.hero-card{background:linear-gradient(135deg,#101828,#244d87);color:#fff;padding:56px;border-radius:22px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(2.2rem,5vw,4.6rem);line-height:1;margin:0 0 18px}.hero p{font-size:1.1rem;max-width:700px;color:#d9e4f7}.content{max-width:900px;margin:32px auto;padding:0 24px 64px}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.site-footer{border-top:1px solid var(--line);color:var(--muted);padding:28px 24px;text-align:center;background:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:10px 14px;font-weight:700;border:1px solid var(--accent);background:var(--accent);color:white;cursor:pointer}.btn:hover{text-decoration:none;background:var(--accent2)}.btn.secondary{background:white;color:var(--accent)}.btn.danger{background:var(--danger);border-color:var(--danger)}.notice{padding:12px 14px;border-radius:9px;margin:12px 0;background:#eef4ff;border:1px solid #c7d7fe}.notice.ok{background:#ecfdf3;border-color:#abefc6;color:#05603a}.notice.error{background:#fef3f2;border-color:#fecdca;color:#912018}label{display:block;font-weight:700;margin:14px 0 6px}input,textarea,select{width:100%;padding:10px 12px;border:1px solid #cfd6df;border-radius:8px;font:inherit;background:white}textarea{min-height:180px}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px;vertical-align:top}th{font-size:.86rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}code{background:#eef2f6;padding:2px 5px;border-radius:5px}.muted{color:var(--muted)}