:root{--ink:#162a2c;--ink2:#405456;--muted:#698082;--green:#0d6d63;--green2:#093f40;--line:#dce8e4;--paper:#f7faf8;--warm:#faf3e7;--gold:#bb8d48;--white:#fff;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#074d46}img{max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,h4{line-height:1.24;letter-spacing:-.023em}h1{font-size:clamp(2.05rem,4.2vw,3.35rem);margin:0 0 20px}h2{font-size:clamp(1.35rem,2vw,1.85rem)}h3{font-size:1.15rem}.container{width:min(1220px,calc(100% - 44px));margin:auto}.skip{position:absolute;left:-1000px;top:0;z-index:80;background:#fff;padding:12px}.skip:focus{left:20px}.topline{background:#093a38;color:#d4e4df;font-size:12px;padding:8px 0}.topline .container{display:flex;justify-content:space-between;gap:15px}.topline a{color:#e6cb91}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{display:flex;align-items:center;gap:22px;min-height:80px}.brand{display:inline-flex;align-items:center;gap:11px;color:#103f3d;text-decoration:none;font-weight:850;font-size:1.38rem;letter-spacing:-.055em;flex-shrink:0}.brand b{color:var(--green)}.brand-icon{height:36px;width:36px;background:#0e5d56;display:grid;place-items:center;color:#fff;border-radius:10px;font-size:20px;box-shadow:0 3px 0 #c8a269}.nav{display:flex;gap:5px;align-items:center;flex:1;justify-content:center;flex-wrap:wrap}.nav a{text-decoration:none;font-size:13px;color:#314c4e;padding:7px 10px;border-radius:8px;font-weight:650}.nav a:hover,.nav a.active{background:#e7f2ec;color:#0c574e}.menu-btn{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 12px}.search-link{border:1px solid #c2d9d1;padding:8px 12px;border-radius:10px;text-decoration:none;font-weight:700;white-space:nowrap}.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);align-items:center;padding:24px 0 22px}.breadcrumb a{text-decoration:none;color:#58736f}.breadcrumb span.sep{color:#9db5af}.eyebrow{color:var(--green);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.hero{background:#092d2c;color:white;position:relative;overflow:hidden;isolation:isolate}.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,33,31,.94) 9%,rgba(4,33,31,.89) 51%,rgba(4,33,31,.37) 100%);z-index:-1}.hero::after{content:"";position:absolute;inset:0;background-image:var(--heroimg);background-size:cover;background-position:center right;z-index:-2;opacity:.78}.hero-inner{padding:82px 0 92px;max-width:1220px}.hero h1{max-width:740px;font-size:clamp(2.6rem,5.4vw,4.4rem);letter-spacing:-.045em}.hero p{color:#d5e3de;max-width:620px;font-size:1.15rem;line-height:1.7}.hero .eyebrow{color:#f1d291}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;gap:7px;text-decoration:none;border-radius:10px;padding:11px 17px;font-weight:750;background:#fff;color:#143c38}.btn-dark{background:#d2a55f;color:#132923}.btn-outline{background:transparent;border:1px solid #abc3b8;color:#e8f4ee}.statbar{display:grid;grid-template-columns:repeat(3,1fr);max-width:680px;gap:20px;margin-top:45px;border-top:1px solid #5e817b;padding-top:22px}.statbar strong{display:block;font-size:1.5rem}.statbar span{color:#b5cec5;font-size:12px}.section-block{padding:54px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:26px}.section-head h2{margin:4px 0;font-size:2rem}.section-head p{max-width:690px;color:var(--muted);margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 8px 30px #11392e06;transition:box-shadow .2s,transform .2s}.card:hover{transform:translateY(-2px);box-shadow:0 13px 38px #143c2920}.card img{aspect-ratio:1.85;object-fit:cover;width:100%;background:#e9f1ec}.card .card-body{padding:21px;flex:1;display:flex;flex-direction:column}.card h3{font-size:1.19rem;line-height:1.34;margin:9px 0}.card h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover{color:var(--green)}.card p{font-size:14px;color:var(--muted);margin:0 0 16px;flex:1}.tag{display:inline-block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#146b5a;font-weight:800}.card .more{font-weight:800;text-decoration:none;font-size:14px}.band{background:#e5f0eb;border-block:1px solid #cadfd7}.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.band-cell{padding:22px 0}.band-cell h3{margin:0 0 8px}.band-cell p{margin:0;font-size:14px;color:#48615b}.footer{background:#092c2d;color:#c9dbd6;margin-top:70px;padding:54px 0 20px}.footer a{color:#e0efe7;text-decoration:none}.footer a:hover{text-decoration:underline}.footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:25px}.footer h3{color:#fff;margin:0 0 15px;font-size:14px}.footer .small{font-size:13px;color:#a4c2b9}.footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}.footer-bottom{margin-top:35px;border-top:1px solid #38615d;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:15px}.page-banner{padding:36px 0 45px;background:linear-gradient(130deg,#e6f2eb,#f8faf8 60%);border-bottom:1px solid var(--line)}.page-banner p{font-size:18px;color:#4c6561;max-width:780px}.page-banner h1{max-width:1000px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:42px;align-items:start;padding-top:34px}.article-shell{background:#fff;border-radius:18px;border:1px solid var(--line);padding:clamp(23px,4vw,58px);min-width:0;box-shadow:0 14px 40px #12382e08}.article-intro{border-bottom:1px solid var(--line);margin-bottom:27px;padding-bottom:15px}.article-intro h1{font-size:clamp(2rem,3.3vw,2.88rem)}.article-intro p{color:var(--muted);font-size:14px;margin:6px 0}.article-body{font-size:17px;line-height:1.82;overflow-wrap:anywhere}.article-body h2{margin:45px 0 17px;padding-top:8px;scroll-margin-top:110px}.article-body h3{margin:30px 0 14px;scroll-margin-top:110px}.article-body p{margin:14px 0 19px}.article-body figure{margin:27px 0 33px}.article-body figure img,.article-body p>img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:13px;margin:27px 0 8px;background:#f3f7f5}.article-body figcaption,.article-body p:has(>img)+p{color:#657874;font-size:13px;line-height:1.55;margin-top:5px}.article-body table{display:block;overflow-x:auto;border-collapse:collapse;width:max-content;max-width:100%;font-size:14px;margin:24px 0;border:1px solid var(--line);border-radius:9px}.article-body td,.article-body th{padding:10px 13px;border-bottom:1px solid var(--line);border-right:1px solid #edf0ef;text-align:left;vertical-align:top}.article-body th{background:#ebf4f0;color:#23524a}.article-body tr:nth-child(even){background:#fafcfb}.article-body blockquote{border-left:4px solid #b58b4b;padding:14px 23px;background:#fdf8ef;border-radius:0 10px 10px 0;margin:23px 0}.article-body ul,.article-body ol{padding-left:22px}.article-body li{padding:2px 0}.article-body a{overflow-wrap:anywhere}.article-body .notice{padding:17px 20px;background:#fff6e9;border-left:4px solid #b38942;border-radius:7px}.article-body .meta{display:none}.toc{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;position:sticky;top:104px}.toc h2{font-size:15px;margin:0 0 12px}.toc a{display:block;text-decoration:none;color:#506967;font-size:13px;line-height:1.35;padding:7px 0}.toc a:hover{color:var(--green)}.toc .divider{border-top:1px solid var(--line);margin:15px 0}.toc .meta-small{font-size:12px;color:var(--muted)}.related{margin-top:36px;border-top:1px solid var(--line);padding-top:27px}.related h2{font-size:1.5rem}.related-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.related-list a{display:block;border:1px solid var(--line);padding:15px 17px;border-radius:10px;text-decoration:none;font-weight:650;font-size:14px;background:#fcfefd}.related-list a:hover{background:#eaf5ef}.disclaimer{border:1px solid #e9d8b4;background:#fdf9ed;padding:18px;border-radius:12px;font-size:13px;color:#6a5431;margin:28px 0}.collection-intro{font-size:17px;color:#526d68;max-width:850px}.lead-links{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.lead-links a{background:#fff;border:1px solid #cbded6;text-decoration:none;border-radius:9px;padding:8px 13px;font-weight:650;font-size:14px}.collection-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.75fr);background:#093b39;border-radius:18px;color:#fff;overflow:hidden;margin:30px 0 45px}.collection-feature>div{padding:35px}.collection-feature h2{font-size:1.75rem}.collection-feature p{color:#d0e5dc}.collection-feature a{color:#e6cd8d}.collection-feature img{width:100%;height:100%;min-height:210px;object-fit:cover}.searchbox{display:flex;gap:9px;margin:24px 0 15px}.searchbox input{width:100%;border:1px solid #b9d3c8;border-radius:12px;padding:14px 18px;background:white;outline-offset:3px}.search-result{padding:19px 0;border-bottom:1px solid var(--line)}.search-result h3{margin:0 0 5px}.search-result p{margin:0;color:var(--muted);font-size:14px}.visual-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.visual-gallery figure{background:#fff;border:1px solid var(--line);border-radius:15px;margin:0;overflow:hidden}.visual-gallery img{width:100%;aspect-ratio:1.75;object-fit:cover}.visual-gallery figcaption{font-size:13px;padding:13px 16px;color:var(--ink2)}.quiet{color:var(--muted)}.pill{padding:5px 9px;border-radius:100px;background:#e5f2ea;color:#16554c;font-size:12px;font-weight:750}.section-sub{font-size:14px;color:var(--muted)}.article-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.article-actions a{text-decoration:none;border:1px solid #d4e3db;border-radius:9px;padding:8px 13px;font-size:13px;font-weight:750}.faq-note{color:#687c76}.source-note{padding:20px;border:1px solid #c9dcd4;background:#f0f7f2;border-radius:12px;font-size:14px}
@media(max-width:1100px){.nav{gap:0}.nav a{font-size:12px;padding:6px}.layout{grid-template-columns:minmax(0,1fr) 220px;gap:20px}}
@media(max-width:870px){.header-inner{flex-wrap:wrap;min-height:68px;justify-content:space-between}.menu-btn{display:block}.nav{display:none;order:3;flex-basis:100%;padding-bottom:16px;justify-content:start}.nav.open{display:flex}.nav a{font-size:14px;padding:8px 12px}.layout{display:block}.toc{position:static;margin-top:20px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,1fr)}.band-grid{grid-template-columns:1fr}.band-cell{padding:0}.band{padding:26px 0}.visual-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.container{width:min(100% - 28px,1220px)}.topline .container{display:block}.search-link{font-size:12px}.hero-inner{padding:52px 0 60px}.hero h1{font-size:2.5rem}.statbar{gap:8px}.card-grid,.related-list,.visual-gallery{grid-template-columns:1fr}.article-shell{padding:20px 17px}.article-body{font-size:16px;line-height:1.73}.collection-feature{display:flex;flex-direction:column-reverse}.collection-feature img{max-height:240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.section-block{padding:37px 0}.page-banner{padding:23px 0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}
@media(max-width:580px){.topline .container{display:flex;gap:6px}.topline .container>span:first-child{display:none}.header-inner{gap:8px}.brand{font-size:1.18rem;gap:7px}.brand-icon{width:32px;height:32px}.menu-btn{padding:8px 9px;font-size:12px}.search-link{padding:8px 8px;font-size:12px}}