:root{--bg:#fafaf9;--fg:#1c1917;--muted:#78716c;--line:#e7e5e4;--card:#fff;--accent:#2563eb;--ai:#eff6ff}
@media(prefers-color-scheme:dark){:root{--bg:#0c0a09;--fg:#f5f5f4;--muted:#a8a29e;--line:#292524;--card:#171412;--accent:#60a5fa;--ai:#172033}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header{padding:72px 0 40px}
h1{font-size:2.4rem;line-height:1.15;margin:0 0 12px;letter-spacing:-.02em}
.lead{color:var(--muted);max-width:60ch;margin:0}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));padding-bottom:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:pointer;text-align:left;font:inherit;color:inherit;padding:0}
.card:hover,.card:focus-visible{border-color:var(--accent);outline:none}
.thumb{aspect-ratio:16/10;background:var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.85rem}
.thumb img{width:100%;height:100%;object-fit:cover}
.cbody{padding:14px 16px 16px}
.cbody h3{margin:0 0 4px;font-size:1.05rem}
.cbody p{margin:0;color:var(--muted);font-size:.9rem}
.badge{display:inline-block;font-size:.72rem;padding:2px 8px;border-radius:99px;border:1px solid var(--line);color:var(--muted);margin-top:10px}
.badge.ai{background:var(--ai);color:var(--accent);border-color:transparent}
section.detail{display:none;border-top:1px solid var(--line);padding:40px 0}
section.detail.open{display:block}
.back{background:none;border:0;color:var(--accent);font:inherit;cursor:pointer;padding:0;margin-bottom:16px}
.detail h2{font-size:2rem;margin:0 0 4px}
.detail h4{text-transform:uppercase;letter-spacing:.06em;font-size:.75rem;color:var(--muted);margin:28px 0 6px}
.aibox{background:var(--ai);border-left:3px solid var(--accent);padding:14px 18px;border-radius:0 8px 8px 0;margin-top:28px}
.aibox h4{margin-top:0;color:var(--accent)}
.aibox ul,.timeline{padding-left:20px;margin:6px 0 0}
footer{padding:48px 0;color:var(--muted);font-size:.85rem}
h2.sec{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:24px 0 12px}
.gallery{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));margin-top:8px}
.gallery .thumb,.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;display:block}
.gallery img{cursor:zoom-in;background:var(--line)}
.gallery img:hover{opacity:.9}
.lb{position:fixed;inset:0;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;z-index:10;padding:20px}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer;padding:12px}
.lb .x{top:8px;right:12px}.lb .p{left:8px;top:50%}.lb .n{right:8px;top:50%}