:root{--bg:#f7f8fb;--card:#ffffff;--text:#1f2937;--muted:#667085;--line:#e5e7eb;--brand:#1f4f7a;--brand2:#0f766e;--soft:#eef5fb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:0 auto}.topbar{background:#10233a;color:#fff;font-size:14px}.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand);font-size:22px}.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.menu{display:flex;gap:18px;font-weight:600}.menu a:hover{color:var(--brand)}.search-wrap{padding:0 0 16px}.fake-search{display:flex;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 8px 24px rgba(16,35,58,.06)}.fake-search input{flex:1;border:0;outline:0;padding:10px 16px;font-size:15px}.btn,.fake-search button{border:0;border-radius:999px;background:var(--brand);color:#fff;padding:12px 20px;font-weight:700;cursor:pointer}.btn.secondary{background:#fff;color:var(--brand);border:1px solid #cbd5e1}.hero{padding:54px 0 38px}.hero-grid{display:grid;grid-template-columns:1.05fr 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#fed7aa;color:#9a3412;border-radius:18px;padding:14px 16px;margin:14px 0}.video-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini-video{position:relative;border-radius:20px;overflow:hidden;background:#111}.mini-video img{width:100%;height:180px;object-fit:cover;opacity:.92}.mini-video .caption{position:absolute;left:14px;right:14px;bottom:12px;color:#fff;font-weight:800;text-shadow:0 1px 5px #000}.domain-text{font-weight:800;color:var(--brand)}pre{white-space:pre-wrap;background:#0b1624;color:#d7dee8;border-radius:18px;padding:18px;overflow:auto}@media(max-width:860px){.hero-grid,.grid,.grid.two,.footer-grid,.video-list{grid-template-columns:1fr}.menu{display:none}.stats{grid-template-columns:1fr}.section-head{display:block}.topbar .container{display:block}.hero{padding-top:32px}}