:root{
  --mist:#F4FAFC;--white:#FFFFFF;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--aux:#7A9AA4;
  --sea:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--pale:#D7EEF2;--border:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08);
  --max:1200px;--radius:18px;--header-h:106px;
}
*{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;font-size:16px;line-height:1.75;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.site-header{position:fixed;inset:0 0 auto 0;z-index:80;box-shadow:0 1px 0 rgba(26,127,143,.08)}.harbor-bar{height:58px;background:var(--pale);display:grid;grid-template-columns:minmax(88px,1fr) auto minmax(88px,1fr);align-items:center;padding:0 max(16px,calc((100vw - var(--max))/2));gap:12px}.round-action{width:44px;height:44px;border:1px solid var(--border);border-radius:50%;background:#fff;color:var(--deep);cursor:pointer;display:inline-grid;place-items:center;font-size:22px;transition:.2s ease}.round-action:hover,.round-action:focus-visible{border-color:var(--sea);box-shadow:0 0 0 4px rgba(26,127,143,.12);outline:none}.brand-center{display:flex;align-items:center;justify-content:center;min-width:0}.brand-center img{max-height:34px;width:auto}.brand-center strong{color:var(--title);font-size:20px;letter-spacing:.08em}.harbor-actions{justify-self:end;display:flex;align-items:center;gap:10px}.app-link{min-height:44px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff;font-weight:700}.app-link:hover,.app-link:focus-visible{filter:brightness(.96);outline:3px solid rgba(26,127,143,.18);outline-offset:2px}.pier-nav{height:48px;background:#fff;border-bottom:1px solid var(--border)}.pier-nav-inner{height:100%;max-width:760px;margin:auto;display:grid;grid-template-columns:repeat(6,1fr)}.pier-nav a{position:relative;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:15px}.pier-nav a:hover,.pier-nav a:focus-visible,.pier-nav a.active{color:var(--deep);outline:none}.pier-nav a.active:after{content:"";position:absolute;left:25%;right:25%;bottom:0;height:3px;border-radius:3px;background:var(--sea)}.site-main{padding-top:var(--header-h)}.container{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.section{padding:64px 0}.section-tight{padding:42px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--sea);font-weight:800;font-size:14px;letter-spacing:.06em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--bright);border-radius:2px}.page-head{padding:58px 0 28px}.page-head .inner{max-width:820px}.page-head h1,.hero-copy h1{margin:10px 0 16px;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.3;letter-spacing:.01em}.page-head p,.lead{color:var(--muted);font-size:17px;margin:0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-title h2{margin:0;color:var(--title);font-size:clamp(22px,3vw,28px);line-height:1.35}.section-title p{margin:0;color:var(--muted);max-width:580px}.hero{padding:40px 0 62px}.hero-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:clamp(22px,4vw,44px);box-shadow:var(--shadow)}.hero-copy{max-width:780px}.hero-copy p{max-width:760px;color:var(--muted);font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:800;transition:.2s}.btn-primary{background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.btn-secondary{background:#fff;color:var(--deep);border:1px solid var(--border)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);box-shadow:0 8px 20px rgba(14,58,70,.1);outline:none}.hero-media{margin-top:28px;max-height:340px;overflow:hidden;border-radius:18px;background:var(--soft)}.hero-media img{width:100%;max-height:340px;object-fit:cover}.media-placeholder{min-height:190px;background:linear-gradient(135deg,var(--soft),var(--pale));border-radius:16px;position:relative;overflow:hidden}.media-placeholder:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.5);right:6%;top:50%;transform:translateY(-50%)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.story-card,.info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 8px 26px rgba(14,58,70,.045)}.card h3,.story-card h3,.info-card h3{margin:0 0 10px;color:var(--title);font-size:19px}.card p,.story-card p,.info-card p{margin:0;color:var(--muted)}.card .mini-media{margin:-6px -6px 18px;overflow:hidden;border-radius:14px;background:var(--soft)}.card .mini-media img,.card .mini-media .media-placeholder{width:100%;aspect-ratio:16/9;min-height:0;object-fit:cover}.card .more{display:inline-flex;margin-top:16px;color:var(--sea);font-weight:800}.tide-list{display:grid;gap:12px}.tide-item{display:grid;grid-template-columns:72px 1fr;gap:18px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}.tide-no{font-size:26px;font-weight:900;color:var(--bright)}.tide-item h3{margin:0 0 6px;color:var(--title)}.tide-item p{margin:0;color:var(--muted)}.split-band{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:center;background:var(--soft);border-radius:24px;padding:28px}.split-band .media-box{overflow:hidden;border-radius:18px}.split-band img{width:100%;object-fit:cover}.map-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.map-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}.map-box span{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--pale);color:var(--deep);align-items:center;justify-content:center;font-weight:900}.map-box h3{color:var(--title);margin:12px 0 8px}.map-box p{margin:0;color:var(--muted)}.gallery-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.gallery-item{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden}.gallery-item .media-placeholder,.gallery-item img{aspect-ratio:16/10;width:100%;min-height:0;object-fit:cover;border-radius:0}.gallery-item p{margin:0;padding:14px;color:var(--muted)}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.path-card{padding:24px;background:#fff;border-radius:18px;border:1px solid var(--border)}.path-card small{color:var(--sea);font-weight:800}.path-card h3{color:var(--title);margin:8px 0}.path-card p{margin:0;color:var(--muted)}.page-feature-media{width:100%;max-height:320px;overflow:hidden;border-radius:20px;background:var(--soft);border:1px solid var(--border);box-shadow:var(--shadow)}.page-feature-media img{width:100%;max-height:320px;object-fit:cover}.page-feature-media .media-placeholder{min-height:240px;border-radius:0}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start}.article-body{background:#fff;border:1px solid var(--border);border-radius:20px;padding:clamp(22px,4vw,38px)}.article-body section+section{margin-top:34px;padding-top:30px;border-top:1px solid var(--border)}.article-body h2{color:var(--title);font-size:23px;line-height:1.4;margin:0 0 12px}.article-body h3{color:var(--title);font-size:18px;margin:20px 0 8px}.article-body p{margin:0 0 14px}.article-body p:last-child{margin-bottom:0}.article-body ul{padding-left:1.2em;margin:12px 0}.article-body li+li{margin-top:8px}.side-note{position:sticky;top:128px;background:var(--soft);border-radius:18px;padding:20px;color:var(--muted)}.side-note h2{margin:0 0 10px;color:var(--title);font-size:18px}.side-note a{display:block;padding:9px 0;border-bottom:1px solid var(--border);color:var(--deep)}.side-note a:last-child{border-bottom:0}.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.index-entry{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}.index-entry h2,.index-entry h3{margin:0 0 8px;color:var(--title)}.index-entry p{margin:0;color:var(--muted)}.longform{max-width:860px;margin:auto;background:#fff;border:1px solid var(--border);border-radius:22px;padding:clamp(22px,5vw,46px)}.longform h2{color:var(--title);font-size:24px;margin:34px 0 12px}.longform h2:first-child{margin-top:0}.longform p{margin:0 0 16px}.steps{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;display:grid;grid-template-columns:48px 1fr;gap:16px}.step:before{content:counter(step);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--pale);color:var(--deep);font-weight:900}.step h2,.step h3{margin:0 0 8px;color:var(--title)}.step p{margin:0;color:var(--muted)}.policy{max-width:900px;margin:auto}.policy section{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;margin-bottom:16px}.policy h2{margin:0 0 10px;color:var(--title);font-size:21px}.policy p{margin:0 0 10px}.policy p:last-child{margin-bottom:0}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px}.faq-item h2{font-size:19px;margin:0 0 10px;color:var(--title)}.faq-item p{margin:0;color:var(--text)}.callout{background:var(--pale);border-radius:18px;padding:22px;color:var(--deep)}.callout strong{color:var(--title)}.site-footer{background:#0E3A46;color:#D4E8EC;padding:58px 0 24px}.footer-inner{width:min(calc(100% - 32px),var(--max));margin:auto}.footer-brand{max-width:620px;margin-bottom:34px}.footer-logo-wrap{display:inline-flex;align-items:center;gap:14px}.footer-logo-wrap img{max-height:34px;width:auto}.footer-logo-wrap span{display:flex;flex-direction:column;line-height:1.25}.footer-logo-wrap strong{color:#fff;font-size:19px}.footer-logo-wrap em{font-size:11px;font-style:normal;letter-spacing:.16em;color:#9FC6CE}.footer-brand p{color:#B7D5DB}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:28px 0;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}.footer-grid h2{color:#fff;font-size:16px;margin:0 0 12px}.footer-grid a{display:block;color:#D4E8EC;padding:5px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;text-decoration:underline;outline:none}.footer-note{color:#AFCFD5;margin:22px 0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#9FC6CE;font-size:14px}.overlay{position:fixed;inset:0;background:rgba(8,32,38,.48);z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.modal-layer{position:fixed;inset:0;z-index:110;display:grid;place-items:center;padding:24px;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.modal-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.atlas-card,.search-card{width:min(92vw,760px);max-height:min(86vh,760px);overflow:auto;background:#fff;border-radius:22px;box-shadow:0 24px 70px rgba(8,32,38,.22);padding:22px}.search-card{width:min(92vw,620px)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.modal-head>div{display:flex;flex-direction:column}.modal-head small{color:var(--aux)}.atlas-brand{display:flex;align-items:center;gap:12px}.atlas-brand img{max-height:30px;width:auto}.atlas-brand span{display:flex;flex-direction:column}.atlas-brand small{color:var(--aux)}.atlas-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}.atlas-groups h2{font-size:15px;color:var(--sea);margin:0 0 8px}.atlas-groups a{display:block;padding:10px 12px;border-radius:12px}.atlas-groups a:hover,.atlas-groups a:focus-visible{background:var(--soft);outline:none}.atlas-groups strong{display:block;color:var(--title)}.atlas-groups span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}.search-look{margin:20px 0;min-height:52px;border:1px solid var(--border);border-radius:999px;background:var(--soft);display:flex;align-items:center;gap:10px;padding:0 18px;color:var(--sea)}.search-look input{width:100%;border:0;background:transparent;color:var(--text);outline:none}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{display:inline-flex;min-height:44px;align-items:center;padding:0 16px;background:#fff;border:1px solid var(--border);border-radius:999px;color:var(--deep)}.preset-links a:hover,.preset-links a:focus-visible{background:var(--pale);outline:none}.search-tip{color:var(--muted);margin:20px 0 0}.mobile-bottom{display:none}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr)}.map-grid,.gallery-row{grid-template-columns:repeat(2,1fr)}.article-shell{grid-template-columns:1fr}.side-note{position:static}.split-band{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){:root{--header-h:58px}.harbor-bar{grid-template-columns:56px minmax(0,1fr) auto;padding:0 16px}.search-trigger{display:none}.app-link{padding:0 14px;font-size:14px}.brand-center img{max-width:150px}.pier-nav{display:none}.site-main{padding-top:58px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.section{padding:44px 0}.page-head{padding:38px 0 18px}.hero{padding:24px 0 42px}.hero-card{border-radius:20px}.card-grid,.path-grid,.index-list{grid-template-columns:1fr}.map-grid,.gallery-row{grid-template-columns:1fr 1fr}.tide-item{grid-template-columns:50px 1fr;padding:17px}.tide-no{font-size:22px}.atlas-groups{grid-template-columns:1fr}.atlas-card,.search-card{padding:18px;max-height:88vh}.footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:70;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--border);backdrop-filter:blur(12px)}.mobile-bottom a{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;color:var(--aux);font-size:16px}.mobile-bottom em{font-style:normal;font-size:11px;margin-top:2px}.mobile-bottom a.active{color:var(--sea);font-weight:800}.modal-layer{padding:16px}.modal-layer,.overlay{z-index:120}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}}
@media(max-width:420px){.map-grid,.gallery-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.brand-center strong{font-size:18px}.app-link{padding-inline:12px}.section-title{align-items:start;flex-direction:column;gap:8px}}