:root{--bg:#f6f7f9;--card:#fff;--text:#15171a;--muted:#626b76;--line:#e5e8ec;--accent:#1f5eff;--accent2:#0e3da8;--soft:#eef3ff;--radius:18px;--shadow:0 8px 30px rgba(22,33,55,.07)}
*{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(--text);line-height:1.6}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:900;letter-spacing:.045em;color:var(--text);font-size:1.25rem}.nav-links{display:flex;gap:18px}.nav-links a{color:#3e4650;font-size:.94rem}
.hero{padding:70px 0 42px;text-align:center}.eyebrow{display:inline-block;background:var(--soft);color:var(--accent2);border-radius:999px;padding:7px 12px;font-weight:700;font-size:.82rem}h1{font-size:clamp(2.2rem,7vw,4.8rem);line-height:1.02;margin:22px auto 16px;letter-spacing:-.045em}.hero p{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--muted);max-width:720px;margin:0 auto}
.searchbox{max-width:760px;margin:30px auto 0;position:relative}.searchbox input{width:100%;font:inherit;font-size:1.05rem;border:2px solid #d9dee5;border-radius:16px;padding:18px 54px 18px 18px;background:#fff;box-shadow:var(--shadow);outline:none}.searchbox input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(31,94,255,.10),var(--shadow)}.search-icon{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.3rem}.search-results{max-width:760px;margin:8px auto 0;background:white;border-radius:14px;box-shadow:var(--shadow);text-align:left;overflow:hidden;display:none}.search-results.show{display:block}.search-result{display:block;padding:13px 16px;border-bottom:1px solid var(--line);color:var(--text)}.search-result:last-child{border-bottom:none}.search-result strong{display:block}.search-result small{color:var(--muted)}
.section{padding:34px 0}.section-title{margin-bottom:18px}.section-title h2{font-size:1.7rem;margin:0}.section-title p{margin:2px 0 0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 2px 10px rgba(22,33,55,.025);transition:.18s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}.card .cat{color:var(--muted);font-size:.82rem;font-weight:700;text-transform:uppercase}.card h3{font-size:1.55rem;margin:7px 0 8px;color:var(--text)}.card p{color:var(--muted);margin:0}.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}.chip{background:#f1f3f6;border-radius:999px;padding:5px 9px;color:#424a55;font-size:.78rem}
.categories{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.category{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center;font-weight:750;color:var(--text)}.category span{display:block;font-size:1.8rem;margin-bottom:5px}.category:hover{text-decoration:none;box-shadow:var(--shadow)}
.article{padding:42px 0 80px}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}.article-head{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.article-head h1{font-size:clamp(2.2rem,6vw,4rem);margin:7px 0 10px}.article-head .summary{font-size:1.15rem;color:var(--muted);max-width:850px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;margin-top:24px}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}.panel h2{margin-top:0;font-size:1.35rem}
.human{background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid #dfe7ff}.human h2{font-size:1.5rem}.human p{font-size:1.08rem;color:#303844}.practical{background:#f7fbf8;border:1px solid #dce9df}
.facts{width:100%;border-collapse:collapse}.facts td{padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top}.facts tr:last-child td{border-bottom:0}.facts td:first-child{width:40%;color:var(--muted)}.facts td:last-child{font-size:.95rem}
.article-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:11px 15px;font-weight:750;border:1px solid #d9dee5;background:#fff;color:#20252b}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn:hover{text-decoration:none;filter:brightness(.98)}
.verified{margin:14px 0 0;color:var(--muted);font-size:.84rem}.source-list{padding-left:20px;margin:0}.source-list li{margin:10px 0}.related-list{display:flex;flex-wrap:wrap;gap:8px}
.hub-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.hub-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--text)}.hub-item strong{display:block;font-size:1.05rem}.hub-item small{color:var(--muted)}
.footer{padding:36px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.categories{grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:1fr}.hub-list{grid-template-columns:1fr}}@media(max-width:560px){.nav-links{display:none}.grid,.categories{grid-template-columns:1fr}.article-head,.panel{padding:20px}.wrap{width:min(100% - 22px,1160px)}}