:root{--paper:#F3F8FD;--deep:#DCEAF6;--white:#FFFFFF;--navy:#0E3A5C;--text:#24384C;--muted:#5A7388;--soft:#7A93A8;--sky:#5BA3D0;--tide:#3D7EA6;--mist:#C5E4F5;--sand:#E8C9A0;--border:rgba(14,58,92,.12);--shadow:0 14px 34px rgba(14,58,92,.10);--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto 0;z-index:50}.tide-line{background:var(--tide);color:#fff;height:28px}.tide-line-inner{height:100%;display:flex;align-items:center;justify-content:space-between;font-size:12px}.text-control{border:0;background:transparent;color:#fff;min-height:28px;padding:0 8px;cursor:pointer}.tide-platform{height:50px;background:#fff;border-bottom:1px solid var(--mist)}.tide-platform-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo,.bay-logo{height:26px;width:auto;object-fit:contain}.brand-fallback{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:.04em}.top-actions{display:flex;align-items:center;gap:8px}.menu-button,.app-button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;padding:0 16px;border:1px solid var(--sky);font-weight:700;cursor:pointer}.menu-button,.secondary-button{background:#fff;color:var(--navy)}.app-button,.primary-button{background:var(--tide);color:#fff;border-color:var(--tide)}.tide-bridge{height:64px;background:var(--mist);border-bottom:1px solid var(--border)}.bridge-grid{display:grid;grid-template-columns:repeat(5,1fr);height:100%}.bridge-grid a{display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:700;border-right:1px solid rgba(255,255,255,.9)}.bridge-grid a:first-child{border-left:1px solid rgba(255,255,255,.9)}.bridge-grid a.is-current{background:#fff}.page-main{padding-top:164px;min-height:70vh}.hero,.section-block,.content-card,.article-page,.service-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px}.hero{padding:18px;margin:20px auto 24px}.cover-slot,.media-slot{background:linear-gradient(135deg,var(--deep),var(--paper));border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.cover-slot{min-height:150px;max-height:200px}.cover-slot img{width:100%;max-height:200px;object-fit:contain;object-position:center}.media-slot{min-height:150px}.media-slot img{width:100%;height:170px;object-fit:contain;object-position:center}.placeholder-title{font-size:24px;font-weight:800;color:var(--navy)}.eyebrow{margin:16px 0 4px;color:var(--tide);font-weight:800;letter-spacing:.08em}.hero h1,.article-page h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--navy);margin:8px 0 14px}.hero p{max-width:860px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.button-row a{min-height:44px;display:inline-flex;align-items:center;padding:0 15px;border-radius:10px;font-weight:700}.home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:0 auto 24px}.content-card{padding:14px}.content-card h2,.section-block h2,.article-page h2,.service-card h2{color:var(--navy);line-height:1.35}.content-card h2{font-size:21px;margin:14px 0 8px}.content-card p{margin:0 0 12px}.text-link{color:var(--tide);font-weight:800}.section-block{padding:22px;margin:0 auto 24px}.section-block.split{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:center}.section-block.stack .media-slot{margin-top:18px}.section-block p{margin:.6em 0}.section-block .media-slot img{height:auto;max-height:250px}.app-showcase{display:grid;grid-template-columns:1fr 280px;gap:26px;align-items:start}.app-showcase .app-media img{max-height:420px;width:100%;object-fit:contain}.app-mark{width:72px;height:72px;object-fit:contain;margin-bottom:10px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:0 auto 24px}.service-card{padding:20px}.article-page{padding:26px;margin:20px auto 28px}.article-page .lead{font-size:17px;color:var(--muted);border-left:4px solid var(--sand);padding-left:14px}.article-page section{padding:8px 0 12px;border-bottom:1px solid var(--border)}.article-page section:last-child{border-bottom:0}.article-page h2{font-size:22px;margin:18px 0 8px}.article-page h3{color:var(--tide);margin:16px 0 6px}.article-page ul{padding-left:1.2em}.article-media{margin:18px 0;background:var(--deep);border-radius:12px;padding:10px}.article-media img{max-height:300px;margin:auto;object-fit:contain}.faq-item{padding:18px 0;border-bottom:1px solid var(--border)}.faq-item h2{font-size:19px;margin:0 0 6px}.site-footer{background:var(--navy);color:var(--mist);padding:38px 0 calc(28px + env(safe-area-inset-bottom));margin-top:36px}.footer-brand-row{margin-bottom:24px}.footer-brand{display:flex;gap:12px;align-items:center}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{display:block;font-size:12px;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{color:#fff;font-size:16px;margin:0 0 10px}.footer-grid a{display:block;min-height:34px;color:var(--mist)}.footer-note{border-top:1px solid rgba(255,255,255,.16);margin-top:24px;padding-top:18px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(8,28,43,.48);z-index:70;opacity:0;pointer-events:none;transition:.18s}.overlay.is-visible{opacity:1;pointer-events:auto}.tide-bay,.search-layer{position:fixed;z-index:80;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s}.tide-bay.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.tide-bay{left:0;top:78px;width:300px;height:min(480px,calc(100vh - 90px));background:#fff;border:1px solid var(--border);border-left:0;border-radius:0 0 12px 0;box-shadow:var(--shadow);overflow:auto}.bay-head,.search-head{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--border)}.bay-brand{display:flex;gap:8px;align-items:center;color:var(--navy)}.close-button{min-height:44px;padding:0 12px;border:1px solid var(--sky);background:#fff;color:var(--navy);border-radius:10px;cursor:pointer}.bay-groups{padding:8px 12px 18px}.bay-groups section{padding:8px 0;border-bottom:1px solid var(--border)}.bay-groups section:last-child{border-bottom:0}.bay-groups h2{font-size:14px;color:var(--tide);margin:4px 0 6px}.bay-groups a{display:block;padding:8px;border-radius:8px}.bay-groups a:hover{background:var(--paper)}.bay-groups strong{display:block;color:var(--navy)}.bay-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.search-layer{top:78px;left:max(16px,calc((100vw - var(--max))/2));width:min(440px,calc(100vw - 32px));background:#fff;border:1px solid var(--border);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding-bottom:14px}.search-layer label{display:block;padding:12px 14px 6px;color:var(--muted)}.search-layer input{width:calc(100% - 28px);margin:0 14px 12px;min-height:44px;border:1px solid var(--sky);border-radius:10px;padding:0 12px;color:var(--text);background:#fff}.search-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 14px}.search-links a{min-height:44px;display:flex;align-items:center;padding:0 10px;background:var(--paper);border:1px solid var(--border);border-radius:10px;color:var(--navy);font-weight:700}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--sand);outline-offset:2px}.menu-button:hover,.secondary-button:hover,.search-links a:hover{background:var(--deep)}.app-button:hover,.primary-button:hover{background:var(--navy)}
@media(max-width:820px){.tide-bridge{display:none}.page-main{padding-top:92px}.home-grid,.service-grid{grid-template-columns:1fr}.section-block.split,.app-showcase{grid-template-columns:1fr}.app-showcase .app-media{order:-1}.app-showcase .app-media img{max-height:340px}.footer-grid{grid-template-columns:1fr 1fr}.tide-bay{top:78px;width:calc(100% - 12px);height:62vh;border-radius:0 0 12px 0}.search-layer{top:78px;left:16px;width:calc(100% - 32px)}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--navy)}.mobile-bottom a.is-current{background:var(--tide);color:#fff}.site-footer{padding-bottom:calc(86px + env(safe-area-inset-bottom))}.hero,.section-block,.article-page{margin-top:16px}.top-actions{gap:6px}.menu-button,.app-button{padding:0 12px}}
@media(max-width:520px){.shell{width:calc(100% - 32px)}.tide-line-inner{font-size:11px}.brand-fallback{font-size:18px}.footer-grid{grid-template-columns:1fr}.hero,.section-block,.article-page{padding:18px}.search-links{grid-template-columns:1fr}.button-row{display:grid;grid-template-columns:1fr}.button-row a{justify-content:center}.media-slot img{height:160px}}