:root{--ink:#16233a;--paper:#fdfaf5;--accent:#0e7490;--amber:#f59e0b;--card:#fffefb;--mut:#5b6472;--line:#e8e0d0}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink)}
header.site{background:#fffdf8;color:var(--ink);padding:14px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line)}
.logo{font-weight:900;font-size:26px;letter-spacing:-.02em}.logo span{color:var(--accent)}
nav a{color:#334155;text-decoration:none;margin-left:18px;font-size:15px}nav a:hover{color:var(--accent)}
.hero{background:linear-gradient(rgba(15,23,42,.78),rgba(15,23,42,.55)),url(img/hero.jpg) center/cover no-repeat;color:#fff;padding:96px 20px 88px;text-align:center}
.hero h1{font-size:44px;margin:0 0 12px;letter-spacing:-.02em;text-shadow:0 2px 18px rgba(0,0,0,.45)}
.hero p{font-size:19px;color:#e2e8f0;max-width:680px;margin:0 auto;line-height:1.55;text-shadow:0 1px 10px rgba(0,0,0,.45)}
.wrap{max-width:1180px;margin:0 auto;padding:36px 20px}
h2{font-size:28px;margin:34px 0 6px;letter-spacing:-.01em}.sub{color:var(--mut);margin:0 0 18px;line-height:1.5}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0 0 10px;color:var(--mut);font-size:14.5px;line-height:1.5}
.card a{color:var(--accent);font-weight:600;text-decoration:none;font-size:14.5px}
.tag{display:inline-block;background:#fef3c7;color:#92400e;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
.tag.blue{background:#e0f2f1;color:#075e59}
button,.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
button.secondary{background:#fffdf8;color:var(--ink);border:1px solid var(--line)}
button.active{background:var(--ink)}
input,textarea,select{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:15px;margin:6px 0 12px;font-family:inherit;background:#fffefb}
label{font-weight:600;font-size:14px}
table{width:100%;border-collapse:collapse;background:#fffefb;border-radius:14px;overflow:hidden}
th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top}
th{background:#f7f1e3}
pre{background:#16233a;color:#e2e8f0;padding:16px;border-radius:12px;overflow:auto;font-size:13.5px;line-height:1.5}
code{font-family:ui-monospace,Menlo,Consolas,monospace}
.note{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:14px 18px;color:#78350f;line-height:1.55}
.ok{color:#15803d;font-weight:700}.bad{color:#b91c1c;font-weight:700}
footer{background:var(--ink);color:#cbd5e1;text-align:center;padding:28px 20px;font-size:14px;margin-top:40px;line-height:1.6}
@media(max-width:640px){header.site{position:static;flex-direction:column;align-items:flex-start}nav{width:100%;display:flex;flex-wrap:wrap;gap:6px 14px}nav a{margin-left:0;font-size:14px}.hero{padding:72px 20px 64px}.hero h1{font-size:32px}table{display:block;overflow-x:auto;font-size:13px}}

.banner{height:200px;background-size:cover;background-position:center}
@media(max-width:640px){.banner{height:130px}}
a.logo{color:inherit;text-decoration:none}