:root{--ink:#172c3d;--muted:#5e707a;--teal:#147b83;--teal2:#dcefee;--blue:#416bb0;--line:#d8e0e2;--paper:#f9faf7;--white:#fff;--warm:#f1f4f3;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid #e2a647;outline-offset:4px}img{display:block;max-width:100%;height:auto}button{font:inherit}.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:10}.header-inner{min-height:88px;display:flex;align-items:center;gap:30px;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);min-width:0}.brand:hover{text-decoration:none}.brand img{width:45px;height:45px}.brand span{font-size:15px;font-weight:800;line-height:1.3;letter-spacing:.01em}.main-nav{display:flex;align-items:center;gap:24px}.main-nav a{color:#344b58;font-size:14px;font-weight:650;white-space:nowrap}.main-nav a[aria-current=page]{color:var(--teal)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:6px;padding:7px 12px}.eyebrow{font-size:12px;font-weight:800;color:var(--teal);letter-spacing:.15em;text-transform:uppercase}.hero{background:linear-gradient(115deg,#f4f7f5,#e9f0ef);border-bottom:1px solid var(--line)}.hero-inner{display:grid;grid-template-columns:58% 42%;align-items:center;gap:28px;padding:58px 28px 52px 0;min-height:570px}.hero h1{font-size:clamp(34px,4.1vw,58px);line-height:1.2;letter-spacing:-.025em;margin:12px 0 22px;max-width:690px}.lead{font-size:18px;color:#415967;max-width:690px}.hero p{max-width:685px}.hero-media{background:#d8e6e6;border:1px solid #c9d5d6;padding:10px;border-radius:6px}.hero-media img{width:100%;height:auto}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:27px 0 12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:1px solid var(--teal);border-radius:4px;font-weight:750;background:var(--teal);color:white;line-height:1.4}.button:hover{background:#0d626a;color:#fff;text-decoration:none}.button.secondary{color:var(--teal);background:transparent}.button.secondary:hover{background:var(--teal2)}.micro{font-size:13px;color:var(--muted)}.quick-nav{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-bottom:1px solid var(--line)}.quick-nav a{padding:20px 22px;border-right:1px solid var(--line);color:var(--ink)}.quick-nav a:last-child{border-right:0}.quick-nav strong,.quick-nav span{display:block}.quick-nav strong{font-size:15px}.quick-nav span{font-size:13px;color:var(--muted)}.section{padding:76px 0;border-bottom:1px solid var(--line)}.section.tint{background:#eef2f1}.section.white{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}.section-head h2,.feature h2{font-size:clamp(27px,3vw,40px);line-height:1.28;letter-spacing:-.02em;margin:8px 0 11px}.section-head p{max-width:680px;color:var(--muted);margin:0}.text-link{font-weight:750;white-space:nowrap}.check-grid,.two-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 38px}.check-item,.faq-item{border-top:1px solid #cbd7d9;padding:21px 0}.check-item{display:grid;grid-template-columns:52px 1fr;gap:13px}.check-item b{color:var(--teal);font-size:22px;font-weight:500}.check-item h3,.faq-item h3{font-size:18px;margin:0 0 7px;line-height:1.4}.check-item p,.faq-item p{color:var(--muted);margin:0}.path{border-top:2px solid var(--ink);padding:21px 0 6px}.path h3{font-size:24px;margin:0 0 10px}.path p,.path li{color:var(--muted)}.path ul{padding-left:21px}.feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6%;}.feature.reverse .feature-media{order:-1}.feature-copy{max-width:560px}.feature-copy p{color:var(--muted)}.feature-copy ul{padding-left:20px;color:var(--muted)}.feature-media{min-width:0}.feature-media img{width:100%;height:auto;border-radius:5px;border:1px solid #d6dedf}.feature.portrait{grid-template-columns:1.15fr .85fr}.feature.portrait .feature-media{display:flex;justify-content:center}.feature.portrait img{max-width:400px}.mini-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.mini-facts>div{border-top:2px solid var(--teal);padding-top:15px}.mini-facts h3{margin:0 0 6px}.mini-facts p{color:var(--muted);margin:0}.news-list{border-top:2px solid var(--ink)}.news-row{padding:29px 0 33px;border-bottom:1px solid var(--line)}.news-top{display:grid;grid-template-columns:70% 30%;align-items:end;gap:15px}.news-top h3{font-size:clamp(20px,2.1vw,27px);line-height:1.35;margin:5px 0 6px}.news-top p{margin:0;color:var(--muted)}.news-number{text-align:right;color:var(--teal);font-size:13px}.news-number span{display:block;font-family:Georgia,serif;font-size:30px;color:#a4b6b9}.news-bottom{display:grid;grid-template-columns:34% 66%;gap:28px;align-items:center;margin-top:22px;padding-right:28px}.news-media{width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:12px}.news-media img{width:100%;height:100%;object-fit:cover}.news-bottom p{margin:0 0 9px;color:var(--muted)}.note{font-size:13px;background:#e8efee;border-left:3px solid var(--teal);padding:8px 12px}.resource-list{display:grid;grid-template-columns:repeat(5,1fr);gap:8px 20px;padding:0;list-style:none}.resource-list li{border-top:1px solid var(--line);padding:10px 0}.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.link-grid a{background:#fff;border:1px solid var(--line);padding:18px;color:var(--ink);font-weight:700}.link-grid a:hover{border-color:var(--teal);text-decoration:none}.prefooter{background:#193646;color:#e8f1f1;padding:52px 0}.prefooter h2{margin:0 0 12px;font-size:28px}.prefooter p{max-width:800px;color:#c3d6db}.prefooter a{color:#b5ece5}.site-footer{background:#102733;color:#cad6d8;padding:33px 0;font-size:13px}.site-footer a{color:#d8e7e7}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-inner p{margin:0 0 6px}.breadcrumb{font-size:13px;color:var(--muted);padding:22px 0}.breadcrumb a{color:var(--muted)}.page-hero{background:#eaf1f0;border-bottom:1px solid var(--line);padding:42px 0 50px}.page-hero h1{font-size:clamp(31px,4vw,49px);line-height:1.25;margin:10px 0}.page-hero p{font-size:17px;max-width:760px;color:#4b616b}.page-content{padding:60px 0 90px}.prose{max-width:860px}.prose h2{font-size:27px;margin:40px 0 12px;line-height:1.35}.prose h3{font-size:20px;margin:26px 0 8px}.prose p,.prose li{color:#4e606a}.prose ul,.prose ol{padding-left:22px}.prose img{border:1px solid var(--line);border-radius:6px;margin:25px 0}.platform-block{padding:55px 0;border-top:1px solid var(--line);scroll-margin-top:25px}.platform-block:first-of-type{border-top:0;padding-top:0}.platform-block h2{font-size:32px;margin:0 0 14px}.platform-block .feature{align-items:start}.platform-block ul{columns:2}.article-layout{display:grid;grid-template-columns:minmax(0,840px) minmax(220px,1fr);gap:7%}.article-main img{width:100%;height:auto}.article-aside{border-top:2px solid var(--teal);padding-top:15px}.article-aside a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.article-pager{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:45px;padding-top:20px}.article-pager a{max-width:48%}.faq-full .faq-item{padding:24px 0}.faq-full .faq-item h2{font-size:20px;margin:0 0 6px}.tag{display:inline-block;font-size:12px;color:var(--blue);letter-spacing:.08em;font-weight:800}.footnote{font-size:13px;color:var(--muted)}@media(max-width:900px){.main-nav{gap:12px}.main-nav a{font-size:12px}.hero-inner{grid-template-columns:1fr 1fr;padding-right:0}.mini-facts{grid-template-columns:1fr 1fr}.resource-list{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.wrap{width:min(100% - 32px,var(--max))}.header-inner{min-height:70px}.brand span{font-size:13px}.brand img{width:38px;height:38px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:69px;left:0;right:0;background:#fff;padding:16px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 12px 18px #152f3714;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{font-size:16px;padding:7px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;gap:22px;min-height:0;padding:42px 0 28px}.hero h1{font-size:37px}.lead{font-size:16px}.quick-nav{grid-template-columns:1fr 1fr}.quick-nav a{padding:14px;border-bottom:1px solid var(--line)}.section{padding:52px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.check-grid,.two-grid,.faq-grid,.feature,.feature.portrait,.article-layout{grid-template-columns:1fr}.feature{gap:24px}.feature.reverse .feature-media{order:0}.feature.portrait img{max-width:100%}.feature .feature-media{order:0}.mini-facts{grid-template-columns:1fr}.news-top,.news-bottom{display:block;padding-right:0}.news-number{display:none}.news-media{margin:17px 0}.news-bottom p{margin:0 0 10px}.resource-list{grid-template-columns:repeat(2,1fr)}.link-grid{grid-template-columns:1fr 1fr}.platform-block ul{columns:1}.page-content{padding:35px 0 65px}.article-aside{margin-top:30px}.footer-inner{display:block}}@media(max-width:420px){.quick-nav,.link-grid,.resource-list{grid-template-columns:1fr}.hero h1{font-size:32px}.actions{display:grid}.button{width:100%}}
.icon{width:21px;height:21px;display:inline-block;vertical-align:-4px;flex:none}.quick-nav .icon{display:block;width:25px;height:25px;margin:0 0 8px;color:var(--teal)}.platform-icon{width:29px;height:29px;margin-right:9px;color:var(--teal)}