*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#e8f4f0;color:#245044;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;overflow-x:hidden}body.overlay-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:50}.top-strip{height:20px;background:#2a8a72;color:#f4faf8;font-size:12px}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-button{border:0;background:transparent;color:inherit;padding:0 4px;cursor:pointer}.main-head{height:54px;background:#f4faf8;border-bottom:1px solid rgba(42,138,114,.35)}.main-head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{min-height:44px;display:flex;align-items:center}.brand-logo{height:24px;max-width:150px;object-fit:contain;object-position:left center}.head-actions{display:flex;align-items:center;gap:8px}.head-actions a,.head-actions button{height:40px;display:inline-flex;align-items:center;padding:0 13px;border-radius:12px;border:1px solid rgba(22,56,46,.12);background:#fff;color:#16382e}.head-actions button{cursor:pointer}.quick-nav{height:48px;background:#f4faf8;border-bottom:1px solid rgba(22,56,46,.08)}.quick-nav-inner{height:48px;display:flex;align-items:center;justify-content:center;gap:42px}.quick-link{display:flex;align-items:center;gap:8px;font-size:13px;min-height:44px}.quick-link i{width:10px;height:10px;border-radius:50%;border:2px solid #2a8a72}.quick-link.is-current{font-weight:700}.quick-link.is-current i{width:14px;height:14px;background:#2a8a72}.site-main{padding-top:122px}.section-space{padding:48px 0}.eyebrow{margin:0 0 8px;color:#2a8a72;font-weight:700;font-size:13px;letter-spacing:.08em}h1,h2,h3{color:#16382e;margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:16px}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.45}.lead{font-size:16px;max-width:760px;color:#4a7468}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-size:14px;font-weight:700;transition:.2s}.btn.primary{background:linear-gradient(135deg,#2a8a72 0%,#3aa88a 100%);color:#f4faf8}.btn.secondary{background:#f4faf8;border:1px solid #2a8a72;color:#16382e}.btn:hover,.btn:focus-visible,.text-link:hover,.text-link:focus-visible{transform:translateY(-1px);outline:2px solid rgba(42,138,114,.3);outline-offset:2px}.text-link{font-weight:700;color:#2a8a72;display:inline-block;margin-top:8px}.media-slot{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;min-height:120px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.mini-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.mini-index a{min-height:44px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;background:#dceee8;border:1px solid rgba(42,138,114,.2);font-size:13px}.home-intro{padding-top:54px;padding-bottom:38px}.home-intro h1{max-width:720px}.split-ribbon{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:#dceee8;border-radius:14px;padding:28px}.ribbon-media{height:164px}.section-heading{margin-bottom:22px}.timeline-layout{display:grid;grid-template-columns:280px 1fr;gap:28px}.timeline-media{height:260px}.timeline-list{display:grid;gap:12px}.timeline-list article{background:#f4faf8;padding:18px;border-radius:12px;border:1px solid rgba(22,56,46,.1)}.timeline-list span{font-weight:800;color:#c4a050}.timeline-list h3{margin:2px 0 6px}.timeline-list p{margin:0}.mosaic-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:18px}.mosaic-grid article{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;padding:20px}.mosaic-large .media-slot{height:220px;margin:-4px -4px 18px}.focus-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center;background:#16382e;color:#e8f4f0;border-radius:14px;padding:30px}.focus-band h2{color:#f4faf8}.focus-band .eyebrow{color:#8dd8c2}.focus-band .media-slot{height:210px;background:#dceee8}.short-observations{display:grid;gap:8px;margin:18px 0}.short-observations span{border-top:1px solid rgba(244,250,248,.2);padding-top:8px}.three-stage>.media-slot{height:190px;margin-bottom:18px}.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stage-grid article{padding:18px;border-radius:12px;background:#f4faf8;border:1px solid rgba(22,56,46,.1)}.stage-grid b{color:#2a8a72}.archive-strip{display:grid;grid-template-columns:1.1fr .7fr;gap:20px;align-items:center;background:#c8e4dc;border-radius:14px;padding:28px}.archive-strip>.media-slot{height:170px}.status-row{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap}.status-row span,.status{padding:7px 10px;border-radius:999px;background:#f4faf8;border:1px solid rgba(42,138,114,.25);font-size:13px}.app-showcase,.app-page{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}.app-media,.app-page-media{height:320px}.app-mark{display:flex;align-items:center;gap:14px}.icon-slot{width:56px;height:56px;min-height:56px;border-radius:14px}.app-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.app-features article{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:12px;padding:16px}.verify-home,.note-panel,.text-panel{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;padding:26px}.faq-preview-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.faq-preview-list a{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:12px;padding:15px 16px}.brand-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:center}.brand-story>.media-slot{height:220px}.page-hero.compact{padding-top:54px;padding-bottom:24px}.page-hero.centered{text-align:center;padding-top:54px}.page-hero.centered .lead{margin-left:auto;margin-right:auto}.vertical-hotlist{display:grid;gap:16px}.vertical-hotlist article{background:#f4faf8;border-left:4px solid #2a8a72;border-radius:0 14px 14px 0;padding:22px}.vertical-hotlist article>span{font-size:13px;color:#2a8a72;font-weight:700}.offset-list{display:grid;gap:18px}.offset-list article{display:grid;grid-template-columns:1fr .7fr;gap:22px;background:#f4faf8;border-radius:14px;padding:20px;border:1px solid rgba(22,56,46,.1)}.offset-list article:nth-child(even){margin-left:52px;grid-template-columns:1fr}.offset-list .media-slot{height:180px}.number{color:#c4a050;font-weight:800}.context-track{display:grid;grid-template-columns:280px 1fr;gap:28px}.context-track>.media-slot{height:300px;position:sticky;top:144px}.context-steps{border-left:2px solid #2a8a72;padding-left:24px}.context-steps article{position:relative;margin-bottom:28px}.context-steps article:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:#2a8a72;left:-31px;top:6px}.context-steps span{color:#2a8a72;font-weight:700}.wide-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;padding:28px;background:#16382e;color:#e8f4f0;border-radius:14px}.wide-feature h2{color:#f4faf8}.wide-feature>.media-slot{height:210px;background:#dceee8}.focus-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.focus-cards article{background:#f4faf8;border-radius:14px;padding:20px;border:1px solid rgba(22,56,46,.1)}.city-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.city-main,.city-side article{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;padding:20px}.city-main>.media-slot{height:230px;margin-bottom:18px}.city-side{display:grid;gap:14px}.trend-track{position:relative;display:grid;gap:18px}.trend-track>.media-slot{height:190px;margin-bottom:10px}.trend-node{margin-left:28px;padding:20px;background:#f4faf8;border-radius:14px;border:1px solid rgba(22,56,46,.1);position:relative}.trend-node:before{content:"";position:absolute;left:-29px;top:0;bottom:-18px;width:2px;background:#2a8a72}.trend-node:after{content:"";position:absolute;left:-34px;top:24px;width:12px;height:12px;border-radius:50%;background:#2a8a72}.trend-node b{color:#2a8a72}.archive-index{display:grid;grid-template-columns:.7fr 1.3fr;gap:26px}.archive-index>.media-slot{height:260px}.archive-cards{display:grid;gap:12px}.archive-cards article{background:#f4faf8;border-radius:14px;padding:18px;border:1px solid rgba(22,56,46,.1)}.archive-method .method-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.method-grid>div{padding:18px;border-radius:12px;background:#dceee8}.verify-steps{display:grid;grid-template-columns:280px 1fr;gap:28px}.verify-steps>.media-slot{height:280px}.verify-steps ol{margin:0;padding-left:24px}.verify-steps li{padding:0 0 18px 8px}.verify-steps b{color:#16382e}.guide-path{display:grid;gap:12px}.guide-path article{display:grid;grid-template-columns:52px 1fr;gap:16px;background:#f4faf8;border-radius:14px;padding:18px;border:1px solid rgba(22,56,46,.1)}.guide-path article>span{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#2a8a72;color:#f4faf8;font-weight:800}.guide-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:12px}.guide-shortcuts h2{grid-column:1/-1}.guide-shortcuts a{background:#dceee8;border-radius:12px;padding:18px;display:flex;justify-content:space-between;gap:10px}.topics-stack{display:grid;gap:16px}.topics-stack>.media-slot{height:210px}.topics-stack article{background:#f4faf8;border-radius:14px;padding:22px;border:1px solid rgba(22,56,46,.1)}.topics-stack article span{font-size:13px;color:#2a8a72;font-weight:700}.topics-stack article a{color:#2a8a72;font-weight:700}.single-column,.policy-blocks,.faq-list,.contact-types,.about-statements{display:grid;gap:14px}.single-column article,.policy-blocks article,.faq-list article,.contact-types article,.about-statements article{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;padding:20px}.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.help-grid a{background:#f4faf8;border:1px solid rgba(22,56,46,.1);border-radius:14px;padding:20px}.about-banner>.banner-slot{height:200px;margin-bottom:24px}.site-footer{background:#16382e;color:#e8f4f0;border-top:1px solid rgba(244,250,248,.25);margin-top:40px;padding:40px 0 78px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand div{display:flex;flex-direction:column}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:28px 0}.footer-links h2{color:#f4faf8;font-size:14px;margin-bottom:10px}.footer-links a{display:block;padding:4px 0;color:#c8e4dc}.footer-note{max-width:760px;color:#c8e4dc}.footer-copy{opacity:.8}.page-mask{position:fixed;inset:0;background:rgba(22,56,46,.45);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;z-index:90;left:0;top:0;width:min(36vw,380px);height:auto;max-height:92vh;background:#f4faf8;box-shadow:0 12px 28px rgba(22,56,46,.18);transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:.22s;overflow:auto;border-radius:0 0 14px 0}.site-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#f4faf8;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid rgba(22,56,46,.1)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-head button,.search-title button{min-height:40px;border:1px solid rgba(22,56,46,.15);background:#fff;border-radius:10px;padding:0 12px}.drawer-content{padding:12px 16px 20px}.drawer-content section{margin-bottom:18px}.drawer-content h2{font-size:13px;color:#2a8a72;margin-bottom:8px}.drawer-content a{display:grid;grid-template-columns:92px 1fr;gap:8px;padding:8px 0;border-bottom:1px solid rgba(22,56,46,.08)}.drawer-content span{font-size:12px;color:#6a9488}.search-layer{position:fixed;z-index:95;left:0;right:0;top:74px;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-box{width:min(720px,calc(100% - 32px));margin:0 auto;background:#f4faf8;border:1px solid rgba(22,56,46,.15);border-radius:0 0 14px 14px;padding:20px;box-shadow:0 12px 28px rgba(22,56,46,.12)}.search-title{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.search-title>div{display:flex;flex-direction:column}.search-title span{font-size:13px;color:#6a9488}.search-box label{display:block;margin:14px 0 6px;font-size:13px}.search-box input{width:100%;height:44px;border:1px solid rgba(42,138,114,.35);border-radius:10px;padding:0 12px;background:#fff}.search-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.search-list a{padding:8px 12px;background:#dceee8;border-radius:999px}.search-empty{font-size:13px;color:#6a9488}.mobile-nav{display:none;position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#f4faf8;border-top:1px solid rgba(22,56,46,.12)}.mobile-nav a{flex:1;display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-nav a.is-current{background:#2a8a72;color:#f4faf8}
@media (max-width:760px){.quick-nav{display:none}.site-main{padding-top:74px}.site-drawer{width:88%;max-width:88%}.search-layer{top:0;bottom:0;background:#16382e}.search-box{width:100%;height:100%;margin:0;border:0;border-radius:0;background:#16382e;color:#f4faf8;padding-top:34px}.search-title strong,.search-title span,.search-box label{color:#f4faf8}.search-list a{background:#2a8a72;color:#f4faf8}.mobile-nav{display:flex}.site-footer{padding-bottom:88px}.section-space{padding:34px 0}.home-intro{padding-top:36px}.split-ribbon,.timeline-layout,.mosaic-grid,.focus-band,.archive-strip,.app-showcase,.app-page,.brand-story,.offset-list article,.context-track,.wide-feature,.city-layout,.archive-index,.verify-steps{grid-template-columns:1fr}.timeline-media,.context-track>.media-slot,.verify-steps>.media-slot{height:200px;position:static}.stage-grid,.focus-cards,.help-grid{grid-template-columns:1fr}.faq-preview-list,.guide-shortcuts,.archive-method .method-grid,.app-features{grid-template-columns:1fr}.guide-shortcuts h2{grid-column:auto}.footer-links{grid-template-columns:1fr 1fr}.offset-list article:nth-child(even){margin-left:0}.focus-band{padding:22px}.archive-strip{padding:22px}.context-steps{margin-left:6px}.app-media,.app-page-media{height:280px}.drawer-content a{grid-template-columns:82px 1fr}.head-actions{gap:4px}.head-actions a,.head-actions button{padding:0 10px}.lead{font-size:15px}}
@media (max-width:420px){.footer-links{grid-template-columns:1fr 1fr;gap:18px 12px}.mini-index{gap:7px}.mini-index a{padding:0 12px}.shell{width:min(100% - 32px,960px)}}