:root{color-scheme:dark;--bg:#09141c;--surface:#10232e;--ink:#edf8fb;--muted:#a7bfcc;--line:#29414e;--accent:#22d3ee;--deep:#06242c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 'Segoe UI',Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header{border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:18px max(5vw,16px);flex-wrap:wrap}header>a{font-size:22px;font-weight:750;color:var(--ink)}header>span{color:var(--muted);font-size:14px}header form{margin-left:auto}main{max-width:1180px;margin:0 auto;padding:36px 22px 70px;min-height:75vh}h1{font-size:clamp(30px,5vw,44px);line-height:1.18;letter-spacing:-1px;margin:12px 0 18px;font-weight:750}h2{font-size:22px;letter-spacing:-.4px;margin:24px 0 16px}h3{font-size:19px;line-height:1.35;margin:12px 0}p{margin:10px 0 18px}.lead{max-width:720px;color:var(--muted);font-size:18px}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;color:var(--accent);margin:10px 0}.muted,small{color:var(--muted)}.grid{display:grid;grid-template-columns:1fr;gap:14px;margin:20px 0 32px}.subject-card{position:relative;display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;color:var(--ink);min-height:155px}.subject-card:hover{border-color:var(--accent);text-decoration:none;background:#142c37}.number{color:var(--accent);font:13px Consolas,monospace}.arrow{position:absolute;right:20px;top:20px;font-size:24px;color:var(--accent)}.subject-card .muted{font-size:13px}.quick{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:44px;background:var(--surface);border:1px solid var(--line);border-radius:7px;color:var(--ink);padding:10px 18px;font:600 15px 'Segoe UI',sans-serif;cursor:pointer}.button:hover,button:hover{text-decoration:none;border-color:var(--accent)}.primary{background:var(--accent);color:var(--deep);border-color:var(--accent)}.notice{background:#112c35;border:1px solid #2e5662;padding:16px 18px;border-radius:8px;color:#bde6ec;font-size:14px;margin:22px 0}.panel{background:var(--surface);border:1px solid var(--line);padding:24px;border-radius:12px;margin:20px 0}.panel>h2:first-child{margin-top:0}.narrow{max-width:550px;margin:25px auto}.columns{display:grid;gap:18px;align-items:start}label{display:block;font-size:14px;font-weight:600;margin:15px 0}input,select,textarea{display:block;width:100%;min-height:46px;background:#0b1b24;border:1px solid #45606e;border-radius:6px;color:var(--ink);padding:11px 12px;margin-top:6px;font:16px 'Segoe UI',sans-serif}input[type=file]{font-size:14px;overflow:hidden}textarea{min-height:114px;resize:vertical}input[type=date]{max-width:270px}input:focus,select:focus,textarea:focus,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}article{border-top:1px solid var(--line);padding:20px 0 4px;margin-top:20px}.prose{white-space:pre-wrap;overflow-wrap:anywhere}code{overflow-wrap:anywhere}summary{cursor:pointer;min-height:44px;padding:8px 0;color:var(--accent)}.question-image{max-width:100%;height:auto;border-radius:6px}.photo-card{display:block;background:var(--surface);border:1px solid var(--line);padding:14px;border-radius:9px;color:var(--ink);overflow:hidden}.photo-card img{width:100%;height:170px;object-fit:contain;background:#071017}.photo-card h3{overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding:22px;text-align:center;color:var(--muted);font-size:13px}@media(min-width:620px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:940px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.columns{grid-template-columns:1fr 1fr}}@media(max-width:480px){header{gap:10px}header>span{font-size:12px}header>a{font-size:19px}header button{padding:8px 12px}main{padding:24px 16px 50px}.panel{padding:18px}.quick>a{flex:1}.subject-card{min-height:135px}}