:root{--bg:#f5f7fb;--surface:#fff;--ink:#172033;--muted:#667085;--line:#e4e7ec;--brand:#214f9b;--brand2:#2f6fc8;--soft:#eaf1fb;--radius:18px;--shadow:0 10px 28px rgba(22,34,51,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:inherit}.container{width:min(1180px,calc(100% - 36px));margin:auto}.hero{background:linear-gradient(135deg,#173f7c,#2f6fc8 55%,#4e8bd8);color:white;padding:72px 0 60px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:800;opacity:.8}.hero h1{font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.02;margin:.35rem 0 1rem;max-width:850px}.hero p{max-width:760px;font-size:1.08rem;opacity:.9}.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.stat{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:12px 16px;border-radius:14px;backdrop-filter:blur(8px)}.stat strong{font-size:1.35rem;display:block}.topnav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.navinner{display:flex;align-items:center;gap:18px;min-height:64px;overflow-x:auto}.brand{font-weight:900;color:var(--brand);white-space:nowrap;margin-right:auto}.navinner a{text-decoration:none;font-size:.92rem;font-weight:650;white-space:nowrap}.searchbar{margin:32px auto 0;display:grid;grid-template-columns:1fr auto;gap:10px;background:var(--surface);padding:10px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.searchbar input{border:0;outline:0;font:inherit;padding:10px 12px;background:transparent;min-width:0}.searchbar button{border:0;border-radius:11px;background:var(--ink);color:#fff;padding:10px 16px;font-weight:750;cursor:pointer}.section{padding:54px 0}.section.alt{background:#eef2f7}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.section-head h2{margin:0;font-size:clamp(1.65rem,3vw,2.4rem)}.section-head p{margin:0;max-width:620px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 4px 16px rgba(22,34,51,.045);display:flex;flex-direction:column;min-height:250px;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.card-top{display:flex;justify-content:space-between;align-items:center}.file-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--soft);color:var(--brand);font-weight:900;font-size:.82rem}.badge{display:inline-flex;align-items:center;width:max-content;border-radius:999px;padding:5px 9px;background:var(--soft);color:var(--brand);font-size:.75rem;font-weight:800}.card h3{font-size:1.08rem;margin:18px 0 8px}.card p{color:var(--muted);font-size:.92rem;margin:0 0 16px}.meta{display:flex;gap:12px;color:#8a94a6;font-size:.78rem;margin-top:auto}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:10px;padding:8px 11px;font-size:.82rem;font-weight:750;border:1px solid var(--line)}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.ghost{background:#fff}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.gallery figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.gallery img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.gallery figcaption{padding:10px 12px;font-size:.85rem;font-weight:650}.video-card{background:#111827;border-radius:20px;overflow:hidden}.video-card video{display:block;width:100%;max-height:620px}.video-caption{padding:18px;color:#fff}.notice{background:#fff7df;border:1px solid #f0d68b;border-radius:14px;padding:14px 16px;color:#6a5311;margin:18px 0}.footer{padding:34px 0;color:var(--muted);text-align:center;border-top:1px solid var(--line)}.hidden{display:none!important}.code-page{background:#0d1117;color:#e6edf3}.mini-header{position:sticky;top:0;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 22px;background:#161b22;border-bottom:1px solid #30363d;z-index:5}.mini-header a{color:#8ab4f8;text-decoration:none}.code-wrap{width:min(1100px,calc(100% - 30px));margin:30px auto}.code-intro p{color:#9da7b3}.code-intro h1{margin:.7rem 0}.code-wrap pre{overflow:auto;padding:22px;border:1px solid #30363d;border-radius:16px;background:#161b22;line-height:1.5;tab-size:4}.code-wrap code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem}.code-page .badge{background:#17345e;color:#9ec5ff}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(3,1fr)}}@media(max-width:620px){.hero{padding:52px 0 44px}.grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:7px}.searchbar{grid-template-columns:1fr}.mini-header{font-size:.78rem}.mini-header strong{display:none}}