:root{--bg:#f4f7fa;--card:#fff;--text:#17324d;--muted:#6b7c8f;--line:#dce4ea;--blue:#2e5372;--blue2:#356485;--red:#e84752;--sand:#bdb58c;--shadow:0 14px 35px rgba(37,61,82,.10)}
body.dark{--bg:#0f1821;--card:#172533;--text:#eef5f8;--muted:#a8b5c1;--line:#2a4051;--shadow:0 14px 35px rgba(0,0,0,.28)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}.shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}aside{background:var(--blue);color:#fff;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:0 4px 20px;border-bottom:1px solid #ffffff24}.mark{width:46px;height:46px;border-radius:13px;background:#fff;color:var(--blue);display:grid;place-items:center;font-weight:900}.brand strong,.brand small{display:block}.brand small{opacity:.65;margin-top:3px}nav{margin-top:18px;overflow:auto}.navbtn,nav details button{width:100%;border:0;background:transparent;color:#ffffffdd;text-align:left;border-radius:10px;cursor:pointer}.navbtn{padding:12px;margin:3px 0;font-weight:700}.navbtn:hover,.navbtn.active,nav details button:hover,nav details button.active{background:#ffffff1f;color:#fff}summary{list-style:none;cursor:pointer;padding:13px 12px 8px;text-transform:uppercase;font-size:11px;font-weight:900;letter-spacing:.12em;opacity:.68}summary::-webkit-details-marker{display:none}nav details button{padding:9px 12px 9px 28px}.foot{margin-top:auto;border-top:1px solid #ffffff24;padding-top:14px;opacity:.6}.main{min-width:0}header{position:sticky;top:0;z-index:10;padding:16px 28px;display:flex;gap:12px;justify-content:center;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}header>button{width:44px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text);cursor:pointer}.search{width:min(760px,100%);position:relative}.search input{width:100%;height:48px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--text);padding:0 16px;outline:none}.search input:focus{border-color:var(--blue2);box-shadow:0 0 0 4px #3564851f}#results{position:absolute;left:0;right:0;top:54px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;display:none}.result{padding:13px 15px;border-bottom:1px solid var(--line);cursor:pointer}.result:hover{background:color-mix(in srgb,var(--card) 85%,var(--blue) 15%)}.result b,.result small{display:block}.result small{color:var(--muted);margin-top:3px}main{max-width:1240px;margin:auto;padding:30px}.hero{border-radius:28px;padding:45px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:var(--shadow)}.eyebrow{font-size:11px;font-weight:900;letter-spacing:.14em;color:#ffd9db}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.02;max-width:850px;margin:10px 0 14px}.hero p{font-size:18px;line-height:1.6;max-width:720px;color:#ffffffcf}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.stat{background:#ffffff14;border:1px solid #ffffff26;padding:17px;border-radius:14px}.stat strong,.stat span{display:block}.stat strong{font-size:25px}.stat span{font-size:12px;opacity:.75;margin-top:3px}.section-title{margin:34px 0 16px}.section-title span{font-size:11px;color:var(--red);font-weight:900;letter-spacing:.14em}.section-title h2{margin:5px 0 0}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;cursor:pointer;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.pill{display:inline-block;background:color-mix(in srgb,var(--card) 82%,var(--blue) 18%);color:var(--muted);padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800}.card h3{font-size:21px;margin:18px 0 8px}.card p{color:var(--muted);line-height:1.55;margin:0}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.filter{border:1px solid var(--line);background:var(--card);color:var(--text);padding:8px 12px;border-radius:999px;cursor:pointer}.filter.active{background:var(--blue);color:#fff;border-color:var(--blue)}.article-head,.article-card,.side{background:var(--card);border:1px solid var(--line);border-radius:20px}.article-head{padding:32px;box-shadow:var(--shadow)}.article-head h1{font-size:clamp(36px,5vw,60px);margin:10px 0}.article-head p{color:var(--muted);font-size:17px;line-height:1.6}.layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;margin-top:20px}.article-card{padding:24px;margin-bottom:16px}.article-card h2{margin-top:0}.article-card p{color:var(--muted);line-height:1.7}.source{border-left:4px solid var(--sand);padding:12px 14px;background:color-mix(in srgb,var(--card) 85%,var(--sand) 15%);border-radius:10px;color:var(--muted);font-size:13px}.side{padding:18px;height:fit-content;position:sticky;top:94px}.side button{width:100%;text-align:left;border:0;background:color-mix(in srgb,var(--card) 82%,var(--blue) 18%);color:var(--text);border-radius:10px;padding:10px;margin:4px 0;cursor:pointer}.flow{display:grid;justify-items:center;gap:8px}.node{width:min(100%,520px);padding:14px;text-align:center;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--card) 82%,var(--blue) 18%);font-weight:800}.node:nth-of-type(2){background:var(--blue);color:#fff}.arrow{color:var(--red);font-size:20px}.glossary{width:100%;border-collapse:collapse;background:var(--card);border-radius:18px;overflow:hidden;border:1px solid var(--line)}.glossary th,.glossary td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}.glossary th{background:color-mix(in srgb,var(--card) 78%,var(--blue) 22%)}@media(max-width:980px){.shell{grid-template-columns:1fr}aside{position:fixed;width:270px;transform:translateX(-100%);transition:.2s;z-index:20}aside.open{transform:translateX(0)}main{padding:22px 16px}.grid{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:1fr}.side{position:static}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.grid{grid-template-columns:1fr}.hero{padding:28px 22px}.stats{grid-template-columns:1fr}}