:root{--bg:#F3F8FD;--deep:#DCEAF6;--card:#fff;--navy:#0E3A5C;--text:#24384C;--muted:#5A7388;--light:#7A93A8;--sky:#5BA3D0;--water:#3D7EA6;--mist:#C5E4F5;--sand:#E8C9A0;--border:rgba(14,58,92,.12);--shadow:0 14px 34px rgba(14,58,92,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}.top-fixed{position:fixed;z-index:50;inset:0 0 auto;background:var(--bg)}.tide-line{height:28px;background:var(--water);color:#fff;font-size:12px}.tide-line-inner,.tide-stage-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.text-button,.menu-button,.close-button{border:0;background:transparent;cursor:pointer}.text-button{color:#fff;min-width:44px;min-height:28px}.tide-stage{height:50px;background:#fff;border-bottom:1px solid var(--mist)}.brand{display:flex;align-items:center;color:var(--navy);font-weight:800}.brand img,.footer-brand img,.bay-brand img{height:26px;max-width:170px;object-fit:contain}.stage-actions{display:flex;gap:8px;align-items:center}.menu-button,.app-button{min-height:44px;padding:0 16px;border-radius:10px}.menu-button{border:1px solid var(--sky);color:var(--navy);background:#fff}.app-button{background:var(--water);color:#fff}.tide-bridge{height:64px;background:var(--mist)}.bridge-grid{display:grid;grid-template-columns:repeat(5,1fr);height:100%}.bridge-grid a{display:grid;place-items:center;color:var(--navy);font-weight:700;border-right:1px solid rgba(255,255,255,.75)}.bridge-grid a:first-child{border-left:1px solid rgba(255,255,255,.75)}.bridge-grid a.active{background:#fff}.site-main{padding-top:166px;min-height:60vh}.hero,.section-card,.page-shell{width:min(1120px,calc(100% - 32px));margin:24px auto}.hero,.section-card,.page-shell article,.page-shell aside{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px}.hero{overflow:hidden}.media-slot{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--deep),var(--bg));min-height:150px;padding:10px}.hero .media-slot{max-height:200px}.media-slot img{width:100%;height:100%;max-height:200px;object-fit:contain;object-position:center}.hero-body{padding:26px}.eyebrow{color:var(--water);font-weight:800;font-size:14px;letter-spacing:.08em}.hero h1,.page-shell h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--navy);margin:.25em 0}.lead{font-size:17px;color:var(--muted);max-width:860px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;font-weight:700}.btn.primary{background:var(--water);color:#fff}.btn.secondary{background:#fff;border:1px solid var(--sky);color:var(--navy)}.section-card{padding:24px}.section-card h2,.page-shell h2{color:var(--navy);font-size:24px;margin:0 0 10px}.section-card h3,.page-shell h3{color:var(--navy)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mini-card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.mini-card .media-slot{height:170px}.mini-card .media-slot img{max-height:170px}.mini-card .body{padding:18px}.mini-card h2{font-size:21px}.feature-row{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:center}.feature-row.reverse{grid-template-columns:.85fr 1.15fr}.feature-row .media-slot{height:180px;border-radius:12px}.feature-row .media-slot img{max-height:180px}.section-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.section-links a{color:var(--water);font-weight:700}.page-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px}.page-shell article,.page-shell aside{padding:26px}.page-shell article p{margin:0 0 1em}.page-shell article ul{padding-left:1.2em}.page-shell .page-image{height:180px;margin:16px 0;border-radius:12px}.page-shell .page-image img{max-height:180px}.side-links a{display:block;padding:10px 0;border-bottom:1px solid var(--border);color:var(--water);font-weight:700}.quote-box{border-left:4px solid var(--sand);background:var(--bg);padding:16px 18px;border-radius:0 10px 10px 0}.faq-list details{border-top:1px solid var(--border);padding:14px 0}.faq-list details:first-child{border-top:0}.faq-list summary{cursor:pointer;color:var(--navy);font-weight:800}.site-footer{background:var(--navy);color:var(--mist);padding:38px 0 84px;margin-top:42px}.footer-brand{display:flex;gap:12px;align-items:center;border-bottom:1px solid rgba(197,228,245,.18);padding-bottom:18px}.footer-brand strong{display:block;color:#fff}.footer-brand span{font-size:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}.footer-grid h3{margin:0 0 10px;color:#fff}.footer-grid a{display:block;padding:4px 0}.footer-note{border-top:1px solid rgba(197,228,245,.18);padding-top:18px}.copyright{font-size:13px;margin-top:14px;color:#fff}.overlay{position:fixed;z-index:70;inset:0;background:rgba(4,24,39,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.tide-bay,.search-layer{position:fixed;z-index:80;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s}.tide-bay{top:78px;left:0;width:300px;height:480px;max-height:calc(100vh - 96px);background:#fff;border-radius:0 0 12px 0;box-shadow:var(--shadow);overflow:auto}.bay-open .tide-bay{visibility:visible;pointer-events:auto;opacity:1;transform:none}.bay-head,.search-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);z-index:2}.bay-brand{display:flex;align-items:center;gap:8px;color:var(--navy);font-weight:800}.close-button{width:44px;height:44px;color:var(--navy);font-size:28px}.bay-groups{padding:8px 16px 20px}.bay-groups section{padding:8px 0}.bay-groups h3{margin:0 0 6px;color:var(--water);font-size:14px}.bay-groups a{display:block;padding:8px 0}.bay-groups strong{display:block;color:var(--navy)}.bay-groups span{font-size:12px;color:var(--muted)}.search-layer{top:78px;left:max(16px,calc((100vw - 1120px)/2));width:440px;background:#fff;border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding-bottom:16px}.search-open .search-layer{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-head h2{margin:0;font-size:20px;color:var(--navy)}.search-fake{margin:16px;border:1px solid var(--sky);border-radius:10px;padding:13px;color:var(--muted);background:var(--bg)}.search-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:0 16px}.search-links a{min-height:44px;display:grid;place-items:center;border:1px solid var(--border);border-radius:10px;color:var(--navy)}.modal-open{overflow:hidden}.mobile-nav{display:none}.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--sand);outline-offset:2px}
@media(max-width:760px){.tide-bridge{display:none}.site-main{padding-top:94px}.wrap,.hero,.section-card,.page-shell{width:min(100% - 32px,1120px)}.stage-actions{gap:4px}.menu-button,.app-button{padding:0 12px}.brand img{max-width:135px}.grid-3,.feature-row,.feature-row.reverse,.page-shell,.footer-grid{grid-template-columns:1fr}.feature-row .media-slot{order:-1}.page-shell aside{order:2}.tide-bay{top:78px;width:calc(100% - 16px);height:62vh;max-height:62vh}.search-layer{top:78px;left:16px;width:calc(100% - 32px)}.search-links{grid-template-columns:1fr}.mobile-nav{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -6px 18px rgba(14,58,92,.08)}.mobile-nav a{display:grid;place-items:center;min-height:50px;color:var(--navy);font-size:13px}.mobile-nav a.active{background:var(--water);color:#fff}.site-footer{padding-bottom:110px}.hero-body,.section-card,.page-shell article,.page-shell aside{padding:20px}.mini-card .media-slot{height:160px}}
.media-slot img[src="海坛-mark.webp"]{width:auto;max-width:72px;max-height:72px}.section-card>.media-slot:has(img[src="海坛-mark.webp"]){min-height:96px}