*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F3FAF7;color:#1E403A;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;line-height:1.3;color:#12332E;margin-bottom:14px}
h2{font-size:20px;line-height:1.4;color:#12332E}
h3{font-size:16px;line-height:1.5;color:#12332E}
p{margin-bottom:14px}
:focus-visible{outline:3px solid rgba(27,154,136,.35);outline-offset:3px}
.skip-link{position:fixed;top:6px;left:6px;z-index:1500;background:#fff;color:#0B5C52;padding:8px 12px;border-radius:8px;transform:translateY(-140%)}
.skip-link:focus{transform:none}
.content-shell,.top-shell{width:min(1120px,calc(100% - 32px));margin:0 auto}
.tide-line{height:22px;position:fixed;top:0;left:0;right:0;z-index:1000;background:#0B5C52;color:#fff;font-size:12px}
.tide-line .top-shell{height:22px;display:flex;align-items:center;justify-content:space-between}
.tide-brand,.top-search-button{color:#fff}
.top-search-button{border:0;background:transparent;padding:0 4px;height:22px}
.cape-bar{height:60px;position:fixed;top:22px;left:0;right:0;z-index:999;background:#fff;border-bottom:1px solid rgba(15,122,107,.16)}
.cape-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.brand-lockup{justify-self:start;display:flex;align-items:center;min-height:44px}
.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-text{font-size:16px;font-weight:800;color:#0B5C52}
.harbor-trigger{min-width:84px;height:44px;border:1px solid rgba(15,122,107,.42);background:#fff;color:#0B5C52;border-radius:12px;font-weight:700}
.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:12px;background:linear-gradient(135deg,#1B9A88 0%,#0F7A6B 55%,#0B5C52 100%);color:#fff;font-size:14px;font-weight:700}
.island-tabs{height:40px;position:fixed;top:82px;left:0;right:0;z-index:998;background:#D8EFE8;border-bottom:1px solid rgba(15,122,107,.16)}
.island-tabs-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}
.island-tabs a{height:32px;display:inline-flex;align-items:center;padding:0 16px;border-radius:9px;font-size:13px;color:#0B5C52}
.island-tabs a.is-active{background:#0F7A6B;color:#fff}
.site-main{padding-top:142px;min-height:60vh}
.hero,.page-hero{padding:28px 0 18px}
.hero-copy{max-width:820px;margin:18px auto 0;text-align:center}
.hero-copy p{font-size:16px;color:#4E6F68}
.eyebrow{display:inline-block;margin-bottom:8px;font-size:12px;font-weight:800;letter-spacing:.08em;color:#0F7A6B}
.button-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:12px;font-size:14px;font-weight:800}
.btn-primary{background:linear-gradient(135deg,#1B9A88 0%,#0F7A6B 55%,#0B5C52 100%);color:#fff}
.btn-secondary{background:#fff;border:1px solid rgba(15,122,107,.42);color:#0B5C52}
.btn:hover,.card-link:hover,.text-link:hover{transform:translateY(-1px)}
.media-slot{width:100%;display:flex;align-items:center;justify-content:center;background:#F7F1E6;border:1px solid rgba(15,122,107,.16);border-radius:14px;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot.banner{height:260px}
.media-slot.card-media{height:180px}
.media-slot.section-media{height:200px}
.media-slot.app-media{height:360px;max-width:460px;margin:0 auto}
.media-slot.icon-media{width:64px;height:64px;border-radius:16px}
.section{padding:28px 0}
.section-soft{background:#E4F3EE}
.section-sand{background:#F7F1E6}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}
.section-title p{max-width:680px;margin:0;color:#4E6F68}
.grid-3,.grid-4,.grid-5,.grid-2{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card,.article-card,.list-card,.stat-card{background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:12px;box-shadow:0 12px 28px rgba(11,92,82,.08)}
.card{overflow:hidden}
.card-body{padding:16px}
.card p,.article-card p,.list-card p{color:#4E6F68}
.card-link,.text-link{display:inline-flex;min-height:44px;align-items:center;color:#0F7A6B;font-weight:800}
.feature-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:20px;align-items:stretch}
.feature-copy{background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:14px;padding:22px;box-shadow:0 12px 28px rgba(11,92,82,.08)}
.number-list{display:grid;gap:10px;margin-top:18px}
.number-item{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:12px;border-radius:10px;background:#D8EFE8}
.number-item b{color:#0F7A6B}
.route-grid,.shelf-list,.timeline,.directory-list,.article-stack,.note-grid{display:grid;gap:14px}
.route-card,.shelf-row,.timeline-item,.directory-item,.article-card,.note-card{background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:12px;padding:18px}
.shelf-row{display:grid;grid-template-columns:110px 1fr auto;align-items:start;gap:14px}
.shelf-row span:first-child{font-weight:800;color:#0F7A6B}
.timeline{position:relative;padding-left:28px}
.timeline:before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;background:rgba(15,122,107,.2)}
.timeline-item{position:relative}
.timeline-item:before{content:"";position:absolute;left:-25px;top:23px;width:12px;height:12px;border-radius:50%;background:#0F7A6B;border:3px solid #E4F3EE}
.status{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:#D8EFE8;color:#0B5C52;font-size:12px;font-weight:800}
.page-hero .content-shell{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:center}
.page-hero p{color:#4E6F68;max-width:760px}
.breadcrumbs{font-size:12px;color:#6A8A82;margin-bottom:10px}
.prose{padding:26px 0 34px}
.prose-inner{max-width:900px}
.prose h2{margin:28px 0 10px}
.prose h3{margin:18px 0 8px}
.prose p,.prose li{color:#1E403A}
.prose ul{padding-left:20px}
.info-band{padding:18px;border-left:4px solid #0F7A6B;background:#D8EFE8;border-radius:0 12px 12px 0;margin:18px 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag{display:inline-flex;min-height:34px;align-items:center;padding:0 10px;background:#F7F1E6;border:1px solid rgba(15,122,107,.16);border-radius:999px;color:#0B5C52;font-size:13px}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:12px;padding:18px}
.faq-item h2{font-size:16px;margin-bottom:8px}
.faq-item p{margin-bottom:0;color:#4E6F68}
.site-footer{background:#0B5C52;color:#D8EFE8;border-top:1px solid #F7F1E6;padding:32px 0 calc(24px + env(safe-area-inset-bottom))}
.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(247,241,230,.24)}
.footer-brand-mark{display:flex;align-items:center;min-height:44px}
.footer-brand strong,.footer-brand span{display:block}
.footer-brand strong{color:#fff}
.footer-brand span{font-size:12px;color:#D8EFE8}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:22px 0}
.footer-grid h2{font-size:13px;color:#fff;margin-bottom:8px}
.footer-grid a{display:block;font-size:13px;padding:5px 0;color:#D8EFE8}
.footer-grid a:hover{text-decoration:underline}
.footer-notice,.footer-copy{font-size:13px;color:#D8EFE8}
.footer-copy{margin-bottom:0}
.page-overlay{position:fixed;inset:0;z-index:1090;background:rgba(11,92,82,.35);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.harbor-drawer{position:fixed;top:0;right:0;bottom:0;z-index:1120;width:min(400px,86vw);background:#F3FAF7;box-shadow:-20px 0 44px rgba(11,92,82,.14);transform:translateX(104%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s;overflow-y:auto}
.harbor-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border-bottom:1px solid rgba(15,122,107,.16)}
.drawer-brand{display:flex;align-items:center;gap:10px}
.drawer-close,.search-head button{min-height:44px;border:1px solid rgba(15,122,107,.42);background:#fff;color:#0B5C52;border-radius:10px;padding:0 14px}
.drawer-groups{padding:8px 16px 24px}
.drawer-groups section{padding:14px 0;border-bottom:1px solid rgba(15,122,107,.12)}
.drawer-groups h2{font-size:13px;color:#6A8A82;margin-bottom:8px}
.drawer-groups a{display:block;padding:10px 0}
.drawer-groups a strong,.drawer-groups a span{display:block}
.drawer-groups a strong{color:#12332E}
.drawer-groups a span{font-size:12px;color:#6A8A82}
.search-layer{position:fixed;top:82px;left:0;right:0;z-index:1110;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.2s}
.search-layer.is-open{visibility:visible;pointer-events:auto;transform:none;opacity:1}
.search-card{width:min(760px,calc(100% - 32px));margin:12px auto;background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:14px;box-shadow:0 18px 50px rgba(11,92,82,.16);padding:18px}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.search-head span,.search-head strong{display:block}
.search-head span{font-size:12px;color:#6A8A82}
.search-head strong{color:#12332E}
.search-box{display:block;margin:16px 0}
.search-box input{width:100%;height:46px;border:1px solid rgba(15,122,107,.42);border-radius:10px;padding:0 14px;color:#12332E;background:#F3FAF7}
.search-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;background:#D8EFE8;color:#0B5C52;border-radius:10px;font-weight:700}
.search-empty{margin:14px 0 0;color:#6A8A82}
.mobile-bottom{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.compact-list{display:grid;gap:10px}
.compact-list a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:10px}
.definition-grid{display:grid;grid-template-columns:180px 1fr;gap:1px;background:rgba(15,122,107,.16);border:1px solid rgba(15,122,107,.16);border-radius:12px;overflow:hidden}
.definition-grid div{background:#fff;padding:14px}
.definition-grid .term{font-weight:800;color:#0B5C52}
.app-panel{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:24px;align-items:center}
.app-copy{background:#fff;border:1px solid rgba(15,122,107,.16);border-radius:14px;padding:22px}
.icon-row{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.small-note{font-size:13px;color:#6A8A82}
@media(max-width:900px){
  .grid-4,.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:1fr}
  .feature-layout,.app-panel{grid-template-columns:1fr}
  .page-hero .content-shell{grid-template-columns:1fr}
  .shelf-row{grid-template-columns:90px 1fr}
  .shelf-row .text-link{grid-column:2}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
  body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}
  .content-shell,.top-shell{width:min(100% - 32px,1120px)}
  .island-tabs{display:none}
  .site-main{padding-top:102px}
  .cape-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}
  .brand-lockup{min-width:0}
  .brand-logo{height:28px;max-width:116px}
  .brand-text{font-size:16px}
  .harbor-trigger{min-width:72px;padding:0 10px}
  .app-link{padding:0 10px;font-size:13px;white-space:nowrap}
  .hero,.page-hero{padding-top:18px}
  .media-slot.banner{height:260px}
  .grid-2,.grid-4,.grid-5{grid-template-columns:1fr}
  .section-title{display:block}
  .feature-layout{grid-template-columns:1fr}
  .search-layer{top:0;bottom:0;background:#0B5C52}
  .search-layer.is-open{display:block}
  .search-card{width:100%;height:100%;margin:0;border:0;border-radius:0;background:#0B5C52;color:#fff;padding:calc(24px + env(safe-area-inset-top)) 16px 24px}
  .search-head span,.search-head strong,.search-empty{color:#fff}
  .search-head button{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
  .search-box input{background:#fff;border-color:#fff}
  .search-presets{grid-template-columns:1fr 1fr}
  .search-presets a{background:#fff;color:#0B5C52}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:1080;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(15,122,107,.16)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;color:#0B5C52}
  .mobile-bottom a.is-active{background:#0F7A6B;color:#fff}
  .footer-grid{grid-template-columns:1fr 1fr}
  .definition-grid{grid-template-columns:1fr}
  .definition-grid .term{padding-bottom:4px}
  .definition-grid .term+div{padding-top:4px}
}
@media(max-width:420px){
  .search-presets{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .button-row{display:grid;grid-template-columns:1fr}
  .btn{width:100%}
}

.mt-16{margin-top:16px}
.button-row-left{justify-content:flex-start}

.icon-media img{width:48px;height:48px;object-fit:contain;object-position:center}