:root{--ink:#16303b;--teal:#0e4d64;--soft:#e8f3f6;--line:#cfe0e6;--bg:#f7fafb;--accent:#d9822b}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--teal)}header.site{background:var(--teal);color:#fff;position:sticky;top:0;z-index:5}
.bar{max-width:1040px;margin:auto;padding:12px 16px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between}
.brand{font-weight:700;font-size:20px;color:#fff;text-decoration:none}nav a{color:#d6eef6;text-decoration:none;margin-right:14px;padding:4px 0;border-bottom:2px solid transparent}nav a.on,nav a:hover{color:#fff;border-color:#fff}
main{max-width:1040px;margin:auto;padding:20px 16px 56px}
.hero{background:linear-gradient(135deg,#0e4d64,#16798f);color:#fff;border-radius:16px;padding:32px 22px;margin:8px 0 24px}
.hero h1{margin:0 0 8px;font-size:30px;line-height:1.2}.hero p{margin:0 0 16px;max-width:640px;color:#e3f4f9}
.btn{display:inline-block;background:#fff;color:var(--teal);font-weight:600;padding:10px 16px;border-radius:10px;text-decoration:none;margin:0 8px 8px 0;border:0;cursor:pointer;font-size:15px}
.btn.alt{background:var(--accent);color:#fff}.btn.dark{background:var(--teal);color:#fff}
h2{font-size:22px;margin:28px 0 10px}h3{margin:0 0 4px;font-size:17px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.vgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.vcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.vcard video,.vcard iframe{width:100%;aspect-ratio:9/16;background:#000;display:block;border:0;max-height:460px}
.vcard .in{padding:12px 14px}.muted{color:#5b7580;font-size:14px}.chip{display:inline-block;background:var(--soft);color:var(--teal);border-radius:20px;padding:2px 10px;font-size:13px;margin-bottom:6px}
.srcs{font-size:13px;margin-top:6px;word-break:break-all}.srcs a{display:block}
.note{background:#fff8ec;border:1px solid #f0d9b0;border-radius:12px;padding:12px 14px;margin:16px 0;font-size:14px}
footer{border-top:1px solid var(--line);padding:18px 16px;text-align:center;color:#5b7580;font-size:14px}
label{display:block;font-weight:600;margin:12px 0 4px}input,select,textarea{width:100%;padding:10px;border:1px solid #aac3cc;border-radius:8px;font:inherit;background:#fff}
textarea{min-height:80px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.err{color:#b3261e;font-weight:600}.ok{color:#1b7a3a;font-weight:600}
table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
@media(max-width:520px){.hero h1{font-size:25px}}