*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#0f766e}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #e5a476;outline-offset:3px}.container{width:min(1240px,calc(100% - 40px));margin-inline:auto}.site-head{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #d7e8df}.head-in{height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:#075b56;flex:none}.brand strong{font-size:25px;white-space:nowrap}.brand strong span{color:#e5a476}.brand small{font-size:11px;letter-spacing:.15em;color:#566d69}.brand img{max-width:160px;height:35px;object-fit:contain}.primary-nav{display:flex;align-items:center;gap:clamp(10px,1.6vw,25px);margin-left:auto}.primary-nav a{font-size:14px;font-weight:650;white-space:nowrap}.primary-nav a.active{color:#075b56;border-bottom:2px solid #0f766e}.head-actions{display:flex;gap:7px}.icon-btn,.menu-button,.drawer-top button{border:1px solid #d5e7df;background:#fff;border-radius:10px;min-height:44px;min-width:44px;color:#075b56}.icon-btn{font-size:28px}.menu-button{padding:0 14px}.channel-rail{background:#e7f3ec;border-bottom:1px solid #d5e7df}.rail-in{display:flex;align-items:center;gap:25px;min-height:45px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.rail-in span{font-size:13px;color:#566d69}.rail-in a{font-size:14px}.main-content{padding-top:38px;padding-bottom:72px;min-height:45vh}h1,h2,h3{color:#142c2b;line-height:1.25}h1{font-size:clamp(28px,3vw,40px);letter-spacing:-.02em;margin:12px 0}h2{font-size:clamp(22px,2.2vw,28px);margin:0 0 16px}h3{font-size:19px;margin:8px 0 12px}.eyebrow{color:#0f766e;font-size:13px;font-weight:750;letter-spacing:.05em}.lead{font-size:17px;color:#566d69;max-width:800px}.section{margin-top:56px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:18px}.section-head p{margin:0;max-width:670px}.text-link{display:inline-block;color:#075b56;font-weight:700;margin-top:10px}.btn{display:inline-block;border-radius:10px;background:#0f766e;color:#fff!important;padding:12px 19px;font-weight:650}.btn.secondary{background:#fff;color:#075b56!important;border:1px solid #b2d2c7}.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.media{background:#e7f3ec;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:120px}.media img{display:block;max-width:100%;width:100%;height:auto;max-height:390px;object-fit:contain}.empty-media{background:linear-gradient(125deg,#d4ece3,#f4f5e8 65%,#dceae7);min-height:200px;position:relative}.empty-media:before{content:'';position:absolute;width:110px;height:110px;right:18px;top:12px;border:1px solid rgba(15,118,110,.16);border-radius:50%}.empty-media span{position:relative;color:#075b56;font-size:21px;font-weight:700;padding:30px;text-align:center}.hero-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;align-items:stretch}.hero-layout .media{min-height:315px}.hero-layout .media img{max-height:380px}.hero-side{display:grid;gap:15px}.hero-side article,.story,.topic-tile,.soft-panel,.info-panel,.faq-list details{background:#fff;border:1px solid #dcebe4;border-radius:14px;padding:23px;min-width:0}.hero-side article{display:flex;flex-direction:column;justify-content:center}.story p,.hero-side p,.topic-tile p{color:#566d69;margin:8px 0}.story h3 a:hover{text-decoration:underline}.topic-grid,.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-tile{position:relative;border-top:3px solid #44c7b1}.topic-tile h3{margin:6px 0}.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:25px;align-items:start}.feature-grid.reverse{grid-template-columns:.85fr 1.15fr}.feature-text{padding:15px 0}.feature-text p{margin:0 0 16px}.story-list{display:grid;gap:12px}.story-list .story{padding:18px 22px}.story-list .story h3{margin:5px 0}.paper{background:#e7f3ec;border-radius:18px;padding:32px}.dark-paper{background:#091f20;color:#d8eae5;border-radius:18px;padding:32px}.dark-paper h2,.dark-paper h3{color:#f8fcfa}.dark-paper .eyebrow,.dark-paper a{color:#80e3d2}.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.steps>div{padding:17px;background:#fff;border:1px solid #d7e8df;border-radius:12px}.steps>div:before{counter-increment:steps;content:'0' counter(steps);display:block;font-size:28px;font-weight:800;color:#0f766e}.steps p{margin:5px 0}.breadcrumbs{font-size:14px;color:#566d69;margin-bottom:20px}.subhero{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;padding-bottom:22px;border-bottom:1px solid #d7e8df}.subhero .media img{max-height:275px}.channel-body{max-width:820px;margin:30px auto}.channel-body h2{margin-top:30px}.channel-body p{margin-bottom:18px}.article-shell{display:grid;grid-template-columns:minmax(0,780px) minmax(0,270px);gap:44px;justify-content:center}.article-main{min-width:0}.article-main .lead{font-size:19px}.article-body p{font-size:17px;line-height:1.9;margin:24px 0}.article-body h2{margin-top:36px}.article-side{align-self:start;position:sticky;top:95px}.article-side a{display:block;padding:12px 0;border-bottom:1px solid #d7e8df}.tag{display:inline-block;background:#e7f3ec;color:#075b56;border-radius:7px;padding:4px 9px;font-size:13px;margin:4px}.muted{color:#566d69}.service-copy{max-width:850px;margin:35px auto}.service-copy p,.service-copy li{margin:0 0 18px}.service-copy h2{margin-top:38px}.service-copy ul{padding-left:24px}.faq-list{display:grid;gap:12px;max-width:900px;margin:auto}.faq-list summary{font-weight:700;cursor:pointer;color:#142c2b}.faq-list p{margin-bottom:0}.search-form{display:grid;gap:13px}.search-form input{border:1px solid #a6c8bb;border-radius:9px;padding:12px;width:100%;min-width:0}.search-form button{border:0;border-radius:9px;padding:12px 15px;background:#0f766e;color:#fff}.search-wide{display:flex;gap:12px;max-width:720px;margin:24px 0}.search-wide input{flex:1}.search-wide button{white-space:nowrap}.site-footer{background:#091f20;color:#d8eae5;padding:45px 0 20px;border-top:5px solid #0f766e}.site-footer strong{font-size:25px;color:#f8fcfa}.site-footer small{font-size:11px;color:#80e3d2}.footer-intro p{max-width:680px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:25px 0}.footer-grid h3{color:#f8fcfa;font-size:17px}.footer-grid a{display:block;color:#d8eae5;font-size:14px;margin:7px 0}.footer-grid a:hover{color:#80e3d2}.legal{border-top:1px solid #365152;padding-top:15px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(2,20,20,.55);z-index:80}.overlay[hidden]{display:none}.drawer{position:fixed;z-index:90;right:0;top:0;height:100dvh;width:min(385px,88vw);background:#fff;box-shadow:-16px 0 35px #0002;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .2s,visibility .2s;overflow:auto}.drawer.shown{visibility:visible;pointer-events:auto;transform:translateX(0)}.drawer-top{position:sticky;top:0;background:#fff;padding:15px 18px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #d7e8df}.drawer-top button{font-size:23px}.drawer-inner{padding:18px}.drawer-inner h3{margin-top:20px;font-size:15px;color:#075b56}.drawer-inner a{display:block;padding:7px 0}.search-drawer .search-form{padding:22px}.bottom-nav{display:none}.not-found{padding:65px 20px;text-align:center}.not-found h1{font-size:34px}@media(max-width:1100px){.primary-nav{display:none}.head-actions{margin-left:auto}.topic-grid,.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.container{width:calc(100% - 32px)}.head-in{height:60px}.brand img{height:30px;max-width:120px}.brand small{display:none}.channel-rail .rail-in{gap:19px;min-height:42px}.rail-in span{display:none}.main-content{padding-top:25px;padding-bottom:95px}.hero-layout,.feature-grid,.feature-grid.reverse,.subhero,.article-shell{grid-template-columns:1fr}.hero-layout .media{min-height:185px}.hero-layout .media img{max-height:320px}.hero-side{grid-template-columns:1fr}.topic-grid,.story-grid{grid-template-columns:1fr}.section{margin-top:36px}.paper,.dark-paper{padding:19px}.steps{grid-template-columns:1fr 1fr}.steps>div{padding:13px}.subhero .media{min-height:160px}.article-side{position:static}.footer-grid{grid-template-columns:1fr 1fr}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid #d7e8df;padding:5px 5px calc(6px + env(safe-area-inset-bottom));text-align:center}.bottom-nav a,.bottom-nav button{padding:8px 2px;border:0;background:none;color:#075b56;font-size:14px;min-height:44px}.site-footer{padding-bottom:90px}.search-wide{flex-direction:column}.search-wide button{width:100%}}@media(max-width:370px){.brand strong{font-size:22px}.menu-button{padding:0 8px}.menu-button span{display:none}.steps{grid-template-columns:1fr}.footer-grid{gap:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.drawer{transition:none}}