:root{
    --mist:#F4FAFC;
    --white:#FFFFFF;
    --soft:#E7F3F6;
    --title:#0E3A46;
    --text:#24505A;
    --muted:#4A7380;
    --faint:#7A9AA4;
    --sea:#1A7F8F;
    --bright:#2BB3C4;
    --deep:#0F5B68;
    --pale:#D7EEF2;
    --line:rgba(26,127,143,.16);
    --shadow:0 14px 34px rgba(14,58,70,.08);
    --radius:16px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body.layer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(43,179,196,.42);outline-offset:3px}
.site-header{position:fixed;inset:0 0 auto 0;z-index:70;box-shadow:0 1px 0 var(--line)}
.header-inner,.section-wrap,.footer-wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.fog-line{height:20px;background:var(--title);color:#fff}
.fog-inner{height:20px;display:flex;align-items:center;justify-content:space-between;font-size:12px;line-height:1}
.fog-brand{font-weight:700;letter-spacing:.04em}
.icon-text-button{border:0;background:transparent;color:#fff;min-width:44px;height:20px;padding:0 2px;cursor:pointer;font-size:12px}
.dock-bar{height:62px;background:#fff;border-bottom:1px solid var(--line)}
.dock-inner{height:62px;display:grid;grid-template-columns:minmax(150px,1fr) auto minmax(150px,1fr);align-items:center;gap:18px}
.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;min-width:120px}
.brand-logo{display:block;width:auto;max-width:190px;height:34px;object-fit:contain;object-position:left center}
.brand-text{font-size:20px;font-weight:800;color:var(--title);letter-spacing:.04em}
.drawer-button{justify-self:center;min-height:44px;border:1px solid var(--line);background:var(--soft);color:var(--deep);padding:0 22px;border-radius:12px;cursor:pointer;font-weight:700}
.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff;font-weight:700}
.shell-tabs{height:42px;background:var(--pale);border-bottom:1px solid var(--line)}
.shell-inner{height:42px;display:flex;align-items:center;gap:6px}
.shell-inner a{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:0 13px;border-radius:8px;color:var(--deep);font-size:14px;font-weight:700}
.shell-inner a.is-active{background:var(--sea);color:#fff}
.site-main{padding-top:124px}
.hero-section,.page-hero{padding:34px 0 22px}
.section-wrap{position:relative}
.hero-card,.page-hero-card,.surface-card,.step-card,.number-card,.pebble-card,.info-card,.path-card,.faq-item,.policy-card,.list-card,.gallery-card,.mini-card,.phone-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.hero-card{padding:22px}
.media-slot{width:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#fff,var(--soft));border:1px solid var(--line);border-radius:14px;overflow:hidden}
.media-slot img{display:block;max-width:100%;width:100%;height:100%;object-fit:contain;object-position:center}
.hero-media{height:min(300px,52vw);min-height:190px}
.hero-media img{object-fit:contain}
.media-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:28px;color:var(--deep);font-size:clamp(24px,4vw,42px);font-weight:800;letter-spacing:.06em;text-align:center}
.hero-copy{padding:26px 2px 4px;max-width:820px}
.eyebrow{display:inline-block;margin-bottom:8px;color:var(--sea);font-size:13px;font-weight:800;letter-spacing:.12em}
h1,h2,h3{margin:0;color:var(--title);line-height:1.35}
h1{font-size:clamp(28px,4vw,32px);letter-spacing:-.02em}
h2{font-size:clamp(22px,3vw,28px)}
h3{font-size:18px}
p{margin:12px 0 0}
.lead{font-size:17px;color:var(--text);max-width:820px}
.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.primary-button,.secondary-button,.text-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:12px;padding:0 18px;font-weight:800}
.primary-button{background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}
.secondary-button{background:#fff;color:var(--deep);border:1px solid var(--line)}
.text-button{background:var(--soft);color:var(--deep);border:1px solid var(--line)}
.content-section{padding:28px 0}
.content-section.deep{background:#fff;border-block:1px solid var(--line)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:18px}
.section-head p{max-width:680px;color:var(--muted)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step-card{padding:18px;min-height:152px;display:flex;flex-direction:column;justify-content:space-between}
.step-card .chip{align-self:flex-start;display:inline-flex;align-items:center;min-height:28px;padding:0 9px;border-radius:8px;background:var(--bright);color:#fff;font-size:12px;font-weight:800}
.step-card:nth-child(even) .chip{background:var(--deep)}
.step-card a{margin-top:14px;color:var(--sea);font-weight:800}
.current-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:18px;align-items:stretch}
.current-media{height:100%;min-height:260px}
.current-copy{display:flex;flex-direction:column;gap:10px}
.number-card{padding:16px 18px;display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:start}
.number-card strong{font-size:24px;color:var(--sea);line-height:1}
.number-card p{margin:2px 0 0;color:var(--muted)}
.pebble-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pebble-card{overflow:hidden}
.pebble-media{height:200px;border:0;border-radius:0;border-bottom:1px solid var(--line)}
.pebble-copy{padding:18px}
.pebble-copy p{color:var(--muted)}
.card-link{display:inline-flex;margin-top:14px;color:var(--sea);font-weight:800}
.four-grid,.three-grid,.two-grid,.policy-grid,.mini-grid{display:grid;gap:16px}
.four-grid{grid-template-columns:repeat(4,1fr)}
.three-grid{grid-template-columns:repeat(3,1fr)}
.two-grid{grid-template-columns:repeat(2,1fr)}
.policy-grid{grid-template-columns:repeat(3,1fr)}
.mini-grid{grid-template-columns:repeat(4,1fr)}
.info-card,.path-card,.policy-card,.list-card,.mini-card{padding:20px}
.info-card p,.path-card p,.policy-card p,.list-card p,.mini-card p{color:var(--muted)}
.split-section{display:grid;grid-template-columns:minmax(280px,.86fr) minmax(0,1.14fr);gap:18px;align-items:stretch}
.section-media{height:100%;min-height:280px}
.list-stack{display:grid;gap:12px}
.list-card{box-shadow:none}
.album-list{display:grid;gap:10px}
.album-row{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px}
.album-row .index{font-size:18px;color:var(--sea);font-weight:900}
.album-row a{color:var(--deep);font-weight:800}
.gallery-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery-card{overflow:hidden}
.gallery-card .gallery-thumb{height:150px;border:0;border-radius:0;border-bottom:1px solid var(--line)}
.gallery-card .gallery-copy{padding:14px 16px 18px}
.tag-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-line span{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;background:var(--pale);color:var(--deep);border-radius:8px;font-size:13px;font-weight:700}
.app-split{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:24px;align-items:center}
.app-media{height:420px;background:#fff}
.app-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--soft);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:16px}
.app-icon img{width:100%;height:100%;object-fit:contain}
.page-hero-card{padding:28px}
.page-hero-card .lead{max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--faint);font-size:13px;margin-bottom:12px}
.breadcrumb a{color:var(--sea)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}
.article-main{display:grid;gap:18px}
.surface-card{padding:24px}
.surface-card p+p{margin-top:12px}
.surface-card ul,.surface-card ol{margin:14px 0 0;padding-left:1.3em}
.surface-card li+li{margin-top:8px}
.side-nav{position:sticky;top:146px;display:grid;gap:10px}
.side-nav a{display:flex;min-height:44px;align-items:center;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--deep);font-weight:700}
.prose h2{margin-top:4px}
.prose h3{margin-top:22px}
.prose p{margin-top:12px}
.prose .note{padding:14px 16px;background:var(--soft);border-left:4px solid var(--sea);border-radius:10px;color:var(--deep)}
.index-list{display:grid;gap:12px}
.index-item{display:grid;grid-template-columns:70px minmax(0,1fr);gap:16px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px}
.index-item .num{font-size:26px;font-weight:900;color:var(--sea)}
.index-item p{color:var(--muted)}
.route-story{display:grid;gap:22px}
.route-stop{display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.route-stop:last-child{border-bottom:0}
.route-stop strong{color:var(--deep);font-size:19px}
.checklist{display:grid;gap:10px;margin-top:14px}
.checkline{padding:13px 15px;background:var(--soft);border-radius:10px;color:var(--deep)}
.faq-list{display:grid;gap:14px}
.faq-item{padding:20px}
.faq-item h2{font-size:18px}
.faq-item p{color:var(--muted)}
.phone-card{padding:18px;max-width:420px;margin:auto}
.phone-screen{border:1px solid var(--line);border-radius:22px;background:var(--mist);padding:18px;min-height:420px}
.phone-screen .mini-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.phone-screen .mini-nav span{display:flex;align-items:center;min-height:52px;padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--deep);font-weight:700}
.site-footer{background:var(--title);color:#D4E8EC;padding:42px 0 calc(28px + env(safe-area-inset-bottom))}
.footer-brand-row{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);gap:28px;align-items:center;padding-bottom:28px;border-bottom:1px solid rgba(212,232,236,.16)}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand img{height:32px;width:auto;max-width:180px;object-fit:contain;object-position:left center}
.footer-brand span{display:flex;flex-direction:column}
.footer-brand strong{font-size:18px}
.footer-brand small{color:#AFCFD5;letter-spacing:.1em}
.footer-brand-row p{margin:0;color:#BBD5DA}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0}
.footer-groups section{display:grid;align-content:start;gap:8px}
.footer-groups h2{font-size:15px;color:#fff;margin-bottom:4px}
.footer-groups a{color:#C8E0E4;font-size:14px}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:18px;border-top:1px solid rgba(212,232,236,.16);font-size:13px;color:#AFCFD5}
.footer-bottom nav{display:flex;gap:14px;flex-wrap:wrap}
.tide-drawer{position:fixed;z-index:100;top:0;right:0;width:min(410px,86vw);height:100vh;background:var(--mist);box-shadow:-24px 0 52px rgba(14,58,70,.18);padding:18px;overflow-y:auto;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease}
.tide-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.drawer-brand{display:flex;align-items:center;gap:10px}
.drawer-brand img{height:30px;width:auto;max-width:160px;object-fit:contain}
.drawer-brand span{display:flex;flex-direction:column}
.drawer-brand small{color:var(--muted);font-size:11px;letter-spacing:.1em}
.close-button{min-width:52px;min-height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--deep);font-weight:800;cursor:pointer}
.wave-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;margin-top:12px;box-shadow:var(--shadow)}
.wave-card:nth-child(3){margin-left:8px}
.wave-card:nth-child(4){margin-left:16px}
.wave-card:nth-child(5){margin-left:24px}
.wave-card h2{font-size:14px;color:var(--sea);margin:0 0 6px}
.wave-card a{display:grid;gap:2px;padding:10px 8px;border-radius:10px}
.wave-card a:hover{background:var(--soft)}
.wave-card strong{font-size:14px;color:var(--title)}
.wave-card span{font-size:12px;line-height:1.5;color:var(--muted)}
.search-layer{position:fixed;z-index:95;top:82px;left:50%;width:min(calc(100% - 32px),780px);transform:translate(-50%,-16px);visibility:hidden;opacity:0;pointer-events:none;transition:.2s ease}
.search-layer.is-open{transform:translate(-50%,0);visibility:visible;opacity:1;pointer-events:auto}
.search-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 22px 62px rgba(14,58,70,.18);padding:20px}
.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}
.search-head small{color:var(--sea);font-weight:800}
.search-head h2{font-size:22px;margin-top:3px}
.search-look{display:grid;grid-template-columns:90px minmax(0,1fr);gap:10px;align-items:center;margin-top:18px;background:var(--soft);border-radius:12px;padding:10px 12px;color:var(--deep);font-weight:700}
.search-look input{width:100%;min-height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);padding:0 12px}
.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.search-presets a{display:flex;min-height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;color:var(--deep);font-weight:800;background:#fff}
.page-overlay{position:fixed;z-index:90;inset:0;background:rgba(14,58,70,.38);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.mobile-nav{display:none}
@media (max-width:980px){
    .step-grid,.pebble-grid,.four-grid,.mini-grid{grid-template-columns:repeat(2,1fr)}
    .three-grid,.policy-grid{grid-template-columns:1fr}
    .current-grid,.split-section,.app-split,.article-layout{grid-template-columns:1fr}
    .side-nav{position:static;grid-template-columns:repeat(2,1fr)}
    .gallery-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
    .header-inner,.section-wrap,.footer-wrap{width:min(calc(100% - 32px),var(--max))}
    .dock-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}
    .brand-link{min-width:0}
    .brand-logo{height:30px;max-width:130px}
    .brand-text{font-size:16px}
    .drawer-button{padding:0 12px;min-width:82px}
    .app-link{padding:0 11px;font-size:14px;white-space:nowrap}
    .shell-tabs{display:none}
    .site-main{padding-top:82px;padding-bottom:66px}
    .hero-section,.page-hero{padding-top:20px}
    .hero-card,.page-hero-card,.surface-card{padding:18px}
    .hero-media{height:min(300px,58vw);min-height:180px}
    .section-head{display:block}
    .section-head p{margin-top:8px}
    .step-grid,.pebble-grid,.two-grid,.mini-grid{grid-template-columns:1fr}
    .gallery-row{grid-template-columns:1fr}
    .current-media,.section-media{min-height:220px}
    .pebble-media{height:200px}
    .album-row{grid-template-columns:44px minmax(0,1fr)}
    .album-row a{grid-column:2}
    .route-stop{grid-template-columns:1fr;gap:6px}
    .footer-brand-row,.footer-groups{grid-template-columns:1fr}
    .footer-groups{grid-template-columns:repeat(2,1fr)}
    .footer-bottom{display:block}
    .footer-bottom nav{margin-top:12px}
    .site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
    .mobile-nav{display:grid;position:fixed;z-index:75;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(14,58,70,.08)}
    .mobile-nav a{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:50px;color:var(--deep);font-size:13px;font-weight:800}
    .mobile-nav a.is-active{background:var(--sea);color:#fff}
    .tide-drawer{width:min(86vw,390px);padding-bottom:calc(74px + env(safe-area-inset-bottom))}
    .wave-card:nth-child(n){margin-left:0}
    .search-layer{top:82px;width:calc(100% - 24px)}
    .search-card{background:var(--pale);padding:16px}
    .search-look{grid-template-columns:1fr}
    .search-presets{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:430px){
    .fog-brand{font-size:11px}
    .drawer-button{min-width:76px;padding:0 9px}
    .app-link{padding:0 9px}
    .footer-groups{grid-template-columns:1fr 1fr}
}