*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.75 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:#0f766e}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block;object-fit:contain}.container{max-width:1240px;padding:0 26px;margin:auto}.brandbar{position:sticky;top:0;background:#fff;z-index:20;border-bottom:1px solid #dceae5}.head-inner{min-height:74px;display:flex;align-items:center;gap:26px}.brand{display:flex;flex-shrink:0;align-items:center;gap:12px;color:#075b56}.brand strong{font-size:28px;font-weight:900}.logo{max-width:155px;max-height:36px;width:auto}.brandline{font-size:12px;white-space:nowrap;color:#566d69}.primary{display:flex;align-items:center;gap:18px;margin-left:auto}.primary a{font-size:14px;white-space:nowrap;font-weight:650}.head-actions{display:flex;gap:7px}.square{width:44px;height:44px;border:1px solid #cce0d8;background:#edf6f1;border-radius:10px;font-size:23px;color:#075b56}.channelrail{background:#e7f3ec;border-bottom:1px solid #dceae5}.rail-inner{display:flex;align-items:center;gap:26px;white-space:nowrap;overflow-x:auto;min-height:45px;font-size:14px}.rail-inner span{color:#075b56;font-weight:700}.main{padding-top:30px;padding-bottom:65px}h1,h2,h3{line-height:1.28;color:#142c2b;margin:0 0 18px}h1{font-size:clamp(28px,3.2vw,40px)}h2{font-size:clamp(22px,2.5vw,27px)}h3{font-size:19px}p{margin:0 0 17px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #e5a476;outline-offset:3px}.eyebrow{text-transform:uppercase;letter-spacing:.09em;color:#0f766e;font-size:13px;font-weight:800;display:block;margin-bottom:13px}.homehero{display:grid;gap:24px}.hero-head{max-width:850px}.hero-head h1{font-size:40px;margin-bottom:2px}.hero-head h2{font-weight:500;color:#075b56}.hero-head p{max-width:780px}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 20px;color:white;background:#0f766e;border-radius:10px;border:1px solid #0f766e;font-weight:700}.button:hover{color:#fff;background:#075b56}.button.ghost{background:#fff;color:#075b56}.button.light{background:#e7f3ec;color:#075b56;border-color:#e7f3ec}.hero-media{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(250px,.85fr);gap:18px;align-items:stretch}.hero-image{max-height:380px;width:100%;background:linear-gradient(120deg,#dcefe5,#a9d6c9)}.hero-notes{display:grid;gap:15px}.hero-notes a{background:#092b2c;color:white;border-radius:16px;padding:24px;display:flex;flex-direction:column;justify-content:center;gap:12px}.hero-notes a:nth-child(2){background:#e4f1e9;color:#142c2b}.hero-notes small{font-size:12px;color:#44c7b1}.hero-notes strong{font-size:22px;line-height:1.35}.hero-notes span{font-size:13px}.block{margin-top:62px}.section-head{margin-bottom:22px}.section-head p{color:#566d69}.topic-grid,.article-grid,.three-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.topic-tile,.article-card,.info-panel,.feature-card,.service-content section{background:#fff;border:1px solid #dceae5;border-radius:14px;padding:23px;min-width:0}.topic-tile{border-top:3px solid #0f766e}.topic-tile h3{margin-bottom:9px}.topic-tile p{font-size:14px}.more{display:inline-block;color:#0f766e;font-weight:750;font-size:14px;margin:8px 18px 0 0}.feature-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:20px}.feature-card .media,.three-cols .media,.two-cols .media,.image-tile .media{margin-bottom:16px;max-height:230px;width:100%}.stack-list .article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-card h3{font-size:18px;margin:7px 0}.article-card p{font-size:14px}.dark-feature{background:#091f20;border-radius:18px;padding:34px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:34px;color:#d8eae5}.dark-feature h2{color:#fff}.dark-feature .media{max-height:300px;width:100%}.side-feature,.mint-block,.two-cols,.split{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}.side-feature>div:first-child .media,.mint-block .media{max-height:290px;width:100%}.mint-block{background:#e1f3ea;padding:32px;border-radius:18px}.mint-block ol{padding-left:24px}.three-cols>div,.two-cols>article{min-width:0}.image-tile{display:block;background:#fff;border:1px solid #dceae5;border-radius:14px;padding:20px}.ranking{display:flex;flex-direction:column}.ranking a{display:flex;gap:18px;align-items:center;padding:14px;border-bottom:1px solid #ccddd5}.ranking b{font-size:27px;color:#0f766e}.breadcrumbs{font-size:13px;color:#607873;margin-bottom:22px}.channel-hero{display:grid;grid-template-columns:1fr .9fr;gap:26px;align-items:center;background:#e7f3ec;border-radius:18px;padding:30px}.channel-hero h2{font-weight:500;color:#0f766e}.channel-hero .media{max-height:310px;width:100%}.info-panel{margin-top:20px}.article-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(200px,270px);gap:45px;align-items:start}.article-body{min-width:0}.article-intro{margin:0 0 24px}.lead{font-size:19px;color:#536e69}.source-line{font-size:13px;color:#607873}.article-image{width:100%;max-height:420px;margin:25px 0}.article-body>h2{margin-top:32px}.article-body>p{font-size:17px;line-height:1.9}.article-sidebar{position:sticky;top:100px;border-top:3px solid #0f766e;padding:18px;background:white;border-radius:12px}.article-sidebar a{display:block;border-bottom:1px solid #e4eee9;padding:14px 0;font-size:14px}.notice{background:#e7f3ec;padding:20px;border-left:3px solid #0f766e;margin:30px 0}.tags{display:flex;flex-wrap:wrap;gap:7px}.tags span{background:#e7f3ec;padding:4px 10px;border-radius:6px;font-size:13px}.service-hero{background:#e7f3ec;padding:35px;border-radius:18px}.service-content{max-width:950px;margin:25px auto;display:grid;gap:18px}.service-content section p{line-height:1.85}.faq-list{max-width:920px;margin:25px auto}.faq-list details{background:#fff;border:1px solid #dceae5;border-radius:10px;margin:10px 0;padding:14px 22px}.faq-list summary{font-weight:750;cursor:pointer;color:#142c2b}.faq-list p{padding-top:12px}.inline-search{display:flex;gap:12px;max-width:640px}.inline-search input,.search-panel input{min-width:0;flex:1;padding:12px;border:1px solid #9abbb1;border-radius:8px}.pagination{display:flex;gap:20px;margin-top:24px}.footer{background:#091f20;color:#d8eae5;padding:55px 0 95px;border-top:5px solid #0f766e}.footer-inner{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:23px}.footer h2{color:#f8fcfa;font-size:16px}.footer section a{display:block;font-size:13px;margin:0 0 8px}.footer-about small{display:block;font-weight:400;font-size:13px}.footer-about p{font-size:13px;margin-top:15px}.copyright{grid-column:1/-1;border-top:1px solid #315354;padding-top:20px;font-size:12px}.image-empty{width:100%;min-height:175px;background:linear-gradient(125deg,#cae6d9,#a7cfc5 54%,#d6efe8);border-radius:12px;display:flex;align-items:center;justify-content:center}.image-empty span{width:30%;height:2px;background:#75ada1;transform:rotate(-24deg)}.hero-image.image-empty{min-height:280px}.backdrop{position:fixed;inset:0;background:#001d1dc4;z-index:39;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.drawer,.search-panel{position:fixed;right:0;top:0;height:100dvh;width:min(390px,88vw);background:white;z-index:40;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .2s,visibility .2s}.drawer-top{padding:14px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ddd}.drawer-top button{width:44px;height:44px;border:0;background:#e7f3ec;font-size:28px}.drawer-scroll{overflow:auto;max-height:calc(100dvh - 74px);padding:16px 24px}.drawer-scroll a{display:block;padding:10px 0;border-bottom:1px solid #edf2ef}.search-panel{padding-bottom:30px;height:auto;max-width:440px}.search-panel form{padding:24px;display:flex;flex-direction:column;gap:12px}.search-panel form button{background:#0f766e;color:#fff;border:0;padding:12px;border-radius:8px}.search-panel label{font-weight:700}.modal-open .backdrop{opacity:1;visibility:visible;pointer-events:auto}.modal-open .drawer.active,.modal-open .search-panel.active{transform:translateX(0);visibility:visible;pointer-events:auto}.mobilebar{display:none}@media(max-width:1050px){.brandline{display:none}.primary{gap:12px}.footer-inner{grid-template-columns:repeat(4,1fr)}.footer-about{grid-column:1/-1}}@media(max-width:800px){.primary{display:none}.head-actions{margin-left:auto}.container{padding-left:18px;padding-right:18px}.hero-media,.feature-layout,.channel-hero,.article-layout{grid-template-columns:1fr}.hero-notes{grid-template-columns:1fr 1fr}.topic-grid,.article-grid,.three-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.article-sidebar{position:static}.main{padding-bottom:90px}.footer{padding-bottom:120px}}@media(max-width:560px){.head-inner{min-height:60px}.brand strong{font-size:23px}.logo{max-height:32px;max-width:115px}.rail-inner{min-height:42px;gap:18px}.main{padding-top:20px}.hero-head h1{font-size:30px}.hero-head h2{font-size:22px}.hero-notes,.topic-grid,.article-grid,.three-cols,.side-feature,.mint-block,.two-cols,.split,.dark-feature,.stack-list .article-grid{grid-template-columns:1fr}.hero-notes a{min-height:125px}.block{margin-top:38px}.hero-image.image-empty{min-height:170px}.dark-feature,.mint-block,.channel-hero{padding:20px}.article-card,.feature-card,.topic-tile,.service-content section{padding:19px}.footer-inner{grid-template-columns:repeat(2,1fr)}.footer-about{grid-column:1/-1}.mobilebar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:19;background:white;border-top:1px solid #cddfd6;padding-bottom:env(safe-area-inset-bottom)}.mobilebar>a,.mobilebar>button{flex:1;min-height:56px;display:grid;place-items:center;border:0;background:none;color:#075b56;font-size:14px}.footer{padding-bottom:120px}.channel-hero .media{max-height:220px}.inline-search{flex-wrap:wrap}.inline-search input{flex-basis:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}