:root{--navy:#102e52;--blue:#15558f;--sky:#eaf4fc;--green:#20844e;--ink:#23394f;--soft:#f5f8fb;--border:#dbe6f0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.68 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:#075999;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5{line-height:1.25;color:var(--navy);overflow-wrap:anywhere}h1{font-size:clamp(2rem,3vw,3rem)}h2{font-size:1.55rem;margin-top:2.2rem}h3{font-size:1.18rem;margin-top:1.5rem}h4{font-size:1.05rem}h5{font-size:.96rem}.wrap{max-width:1180px;padding:0 24px;margin:auto}.top{background:white;border-bottom:1px solid var(--border)}.top-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:17px;padding-bottom:17px}.brand{display:flex;align-items:center;gap:13px;font-weight:850;font-size:clamp(1.2rem,2.1vw,1.8rem);color:var(--navy)}.brand img{width:53px;height:53px;object-fit:contain}.tagline{font-size:.78rem;color:#516879;font-weight:500;margin-top:-2px}.langs{display:flex;gap:8px}.langs a{border:1px solid #d4dfeb;background:#fafcff;padding:6px 11px;border-radius:8px;font-size:.89rem;font-weight:700}.langs a.active{background:var(--navy);color:#fff}.nav{background:var(--blue)}.nav-inner{display:flex;flex-wrap:wrap;gap:2px;align-items:stretch}.nav a,.nav summary{color:white;display:block;padding:12px 14px;font-weight:650;font-size:.91rem;cursor:pointer}.nav a:hover,.nav summary:hover{background:#103c68;text-decoration:none}.nav details{position:relative}.nav details>div{position:absolute;top:100%;left:0;z-index:20;min-width:270px;max-height:65vh;overflow:auto;background:#fff;box-shadow:0 10px 35px #1233;border:1px solid #dce7f4;border-radius:0 0 9px 9px}.nav details>div a{color:var(--ink);padding:7px 13px;border-bottom:1px solid #edf2f7;font-size:.87rem}.nav details>div a:hover{background:var(--sky)}.hero{position:relative;background:linear-gradient(115deg,#e5f3ff,#f7fcff);border-bottom:1px solid #dceafa}.hero .wrap{display:grid;grid-template-columns:1.18fr 1fr;align-items:center;gap:28px;padding-top:44px;padding-bottom:44px}.hero p{font-size:1.11rem;max-width:680px}.hero img{width:100%;max-height:385px;object-fit:cover;border-radius:16px;box-shadow:0 14px 40px #143c611a}.button{display:inline-block;background:var(--green);border-radius:7px;padding:11px 18px;color:#fff;font-weight:750}.button:hover{background:#17673e;color:#fff}.intro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px auto}.panel{border:1px solid var(--border);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 13px #10243c0a}.panel img{height:130px;width:100%;object-fit:cover}.panel .body{padding:15px}.panel h2{font-size:1.18rem;margin:0 0 7px}.panel p{font-size:.91rem;margin:0 0 8px}.section{margin:35px auto 50px}.pill-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.pill-list a{display:block;padding:9px 12px;border:1px solid #dce8f2;background:#f8fbff;border-radius:7px;font-size:.91rem}.bread{font-size:.82rem;color:#647889;margin:22px 0}.article-hero{display:grid;grid-template-columns:1.18fr .82fr;gap:28px;align-items:center;margin-top:17px;margin-bottom:25px}.article-hero img{width:100%;height:310px;object-fit:cover;border-radius:12px}.article-hero h1{margin:10px 0}.article-hero p{font-size:1.06rem}.content{max-width:980px;margin:0 auto 55px}.content p{margin:1em 0}.content li{margin:.4em 0}.content table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.content th,.content td{padding:9px;border:1px solid #d8e0e7}.article-source{padding:18px 22px;background:#f0f7ff;border-left:4px solid var(--blue);border-radius:7px;margin:24px 0}.article-source p{margin:8px 0}.article-source a{font-weight:700}.related{padding:15px 19px;background:#fafcfb;border:1px solid #d9e8e1;border-radius:8px}.related ul{columns:2;list-style:none;padding:0}.related li{break-inside:avoid;padding:3px 0}.footer{background:#f0f5fa;border-top:1px solid #d7e2ee;padding:20px 0;color:#566575;font-size:.82rem}.footer-links{display:flex;flex-wrap:wrap;gap:13px}.footer a{color:#19527e}.muted{color:#5b7082;font-size:.9rem}.page-hint{padding:12px;background:#fff4de;border:1px solid #ebcf94;border-radius:8px}img{height:auto}main img{max-width:100%}@media(max-width:820px){.top-inner{flex-wrap:wrap}.hero .wrap,.article-hero{grid-template-columns:1fr}.intro-grid,.pill-list{grid-template-columns:repeat(2,minmax(0,1fr))}.nav details>div{left:auto;right:0;max-width:90vw}.article-hero img{height:250px}}@media(max-width:550px){.intro-grid,.pill-list{grid-template-columns:1fr}.wrap{padding-left:14px;padding-right:14px}.related ul{columns:1}.hero .wrap{padding-top:25px;padding-bottom:25px}}
.top-inner{flex-wrap:wrap}
.search-form{position:relative;display:flex;width:min(340px,100%);height:40px;border:2px solid var(--border);border-radius:999px;background:#fff;margin-inline-start:auto}
#search-input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:15px;padding:0 6px 0 16px;color:var(--ink);border-radius:999px}
#search-go{flex:0 0 40px;border:0;margin:2px;border-radius:999px;background:var(--green);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
#search-go svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round}
#search-results{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 14px 35px #0003;max-height:60vh;overflow:auto;z-index:60;padding:4px 0}
#search-results[hidden]{display:none}
#search-results a{display:block;padding:9px 16px;border-bottom:1px solid var(--border);color:var(--ink)}
#search-results a strong{display:block;color:var(--navy);font-size:15px}
#search-results a span{display:block;font-size:13px;color:#5b7082;line-height:1.4}
#search-results p{margin:10px 16px;color:#5b7082}
.rappel{margin:0 0 1.6em;padding:14px 18px;background:#fff8e6;border-left:4px solid #e0a526;border-radius:7px;font-size:.98rem}
.adslot{text-align:center;margin:28px 0;min-height:10px;overflow:hidden}
.siteplan{background:var(--soft);border-top:1px solid var(--border);padding:10px 0 30px;margin-top:30px}
.siteplan h2{font-size:1.4rem}.siteplan h3{font-size:1.05rem;margin:1.4em 0 .5em}
.siteplan ul{columns:3;list-style:none;padding:0;margin:0}.siteplan li{break-inside:avoid;padding:3px 0;font-size:.92rem}
.hubgrid{columns:2;list-style:none;padding:0}.hubgrid li{break-inside:avoid;padding:4px 0}
.nav details>div a.all{font-weight:800;background:var(--sky)}
.langs a{white-space:nowrap}
.footer-links{margin-bottom:10px}
@media(max-width:820px){.search-form{order:5;width:100%;margin:0}.siteplan ul{columns:2}}
@media(max-width:550px){.siteplan ul,.hubgrid{columns:1}}