*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F3F8FD;color:#24384C;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:#0E3A5C;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #E8C9A0;outline-offset:2px}button,input{font:inherit}.site-header{position:fixed;left:0;right:0;top:0;z-index:1000}.tide-line{height:8px;background:#3D7EA6;color:#fff;position:relative}.top-inner,.stage-inner,.footer-inner,.page-shell{max-width:1120px;margin:0 auto;padding-left:20px;padding-right:20px}.top-inner{height:8px;display:flex;align-items:center;justify-content:space-between;position:relative}.top-brand{font-size:8px;line-height:8px;letter-spacing:.06em;white-space:nowrap}.search-open{position:absolute;right:20px;top:-18px;min-width:64px;min-height:44px;border:0;background:transparent;color:#fff;cursor:pointer;padding:18px 8px 0}.tide-stage{height:50px;background:#fff;border-bottom:1px solid #C5E4F5}.stage-inner{height:50px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-home{display:flex;align-items:center;min-height:44px;max-width:220px}.brand-home img,.footer-logo img,.bay-brand img{display:block;height:26px;width:auto;max-width:210px;object-fit:contain}.brand-home strong{color:#0E3A5C;font-size:21px}.stage-actions{display:flex;align-items:center;gap:8px}.stage-actions button,.stage-actions a{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer}.bay-open{border:1px solid #5BA3D0;background:#fff;color:#0E3A5C}.app-link{background:#3D7EA6;color:#fff;border:1px solid #3D7EA6}.tide-bridge{height:64px;background:#C5E4F5;display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid rgba(14,58,92,.12)}.tide-bridge a{display:flex;align-items:center;justify-content:center;min-width:0;color:#0E3A5C;font-weight:700;border-right:1px solid rgba(255,255,255,.9);text-decoration:none}.tide-bridge a:last-child{border-right:0}.tide-bridge a.current{background:#fff;color:#0E3A5C}.page-main{padding-top:146px;padding-bottom:30px;min-height:70vh}.page-shell{padding-top:26px;padding-bottom:40px}.eyebrow{margin:0 0 8px;color:#3D7EA6;font-weight:800;letter-spacing:.08em;font-size:14px}.page-title{font-size:30px;line-height:1.25;color:#0E3A5C;margin:0 0 14px}.lead{font-size:18px;max-width:800px;color:#425E74;margin:0}.hero,.content-section,.info-card,.faq-item,.notice-box,.home-section,.contact-card{background:#fff;border:1px solid rgba(14,58,92,.12);border-radius:12px;box-shadow:0 14px 34px rgba(14,58,92,.10)}.hero{padding:24px;margin-bottom:22px}.hero p:last-child{margin-bottom:0}.image-slot{background:#DCEAF6;border:1px solid rgba(14,58,92,.12);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.image-fallback{color:#0E3A5C;font-weight:800;text-align:center;padding:16px}.cover-slot{height:min(200px,34vw);min-height:150px;margin-bottom:20px}.column-image{height:170px;margin-bottom:16px}.wide-image{height:180px;margin-top:18px}.app-image{height:360px}.mark-image{height:72px;width:72px;flex:0 0 72px}.home-intro{padding:0 2px}.home-intro h1{font-size:31px;color:#0E3A5C;line-height:1.25;margin:4px 0 10px}.home-intro .tagline{font-size:20px;font-weight:700;color:#24384C;margin:0 0 10px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 17px;border-radius:10px;font-weight:800;border:1px solid #5BA3D0}.btn.primary{background:#3D7EA6;color:#fff;border-color:#3D7EA6}.btn.secondary{background:#fff;color:#0E3A5C}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}.info-card{padding:18px}.info-card h2,.content-section h2,.home-section h2,.contact-card h2{font-size:22px;color:#0E3A5C;margin:0 0 10px}.info-card p,.content-section p,.home-section p,.contact-card p{margin:0 0 12px}.info-card p:last-child,.content-section p:last-child,.home-section p:last-child,.contact-card p:last-child{margin-bottom:0}.info-card .more,.home-section .more{font-weight:800;color:#3D7EA6}.home-section{padding:22px;margin:18px 0}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:22px;align-items:center}.split.reverse{grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr)}.section-copy ul,.content-section ul{padding-left:1.2em}.section-copy li,.content-section li{margin:.35em 0}.content-section{padding:24px;margin:18px 0}.content-section h3{color:#0E3A5C;font-size:18px;margin:20px 0 8px}.content-section .grid-two{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.notice-box{padding:18px 20px;margin:18px 0;background:#DCEAF6;color:#0E3A5C}.notice-box strong{display:block;margin-bottom:6px}.rule-list{counter-reset:rule;padding:0;list-style:none}.rule-list li{position:relative;padding:14px 14px 14px 54px;border-top:1px solid rgba(14,58,92,.12)}.rule-list li:first-child{border-top:0}.rule-list li:before{counter-increment:rule;content:counter(rule);position:absolute;left:12px;top:14px;width:28px;height:28px;border-radius:8px;background:#C5E4F5;color:#0E3A5C;display:flex;align-items:center;justify-content:center;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h2{font-size:18px;color:#0E3A5C;margin:0 0 8px}.faq-item p{margin:0}.app-layout{display:grid;grid-template-columns:minmax(240px,360px) minmax(0,1fr);gap:24px;align-items:start}.app-mark{display:flex;align-items:center;gap:14px;margin-bottom:16px}.service-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.service-links a{min-height:44px;border:1px solid #5BA3D0;border-radius:10px;padding:9px 14px;font-weight:700}.site-footer{background:#0E3A5C;color:#C5E4F5}.footer-inner{padding-top:36px;padding-bottom:34px}.footer-brand{display:flex;align-items:center;gap:16px;margin-bottom:24px}.footer-logo{display:inline-flex;align-items:center;min-height:44px}.footer-logo strong{color:#fff;font-size:21px}.footer-en{margin:0;color:#fff;font-weight:800;letter-spacing:.08em}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 0;border-top:1px solid rgba(197,228,245,.2);border-bottom:1px solid rgba(197,228,245,.2)}.footer-links h2{font-size:16px;color:#fff;margin:0 0 8px}.footer-links a{display:block;color:#C5E4F5;padding:4px 0}.footer-note{max-width:900px;margin:22px 0 8px}.copyright{margin:0;color:#fff}.overlay{position:fixed;inset:0;background:rgba(7,28,44,.48);z-index:1100;opacity:0;pointer-events:none;transition:opacity .18s}.overlay.active{opacity:1;pointer-events:auto}.tide-bay,.search-layer{position:fixed;z-index:1200;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .18s,transform .18s,visibility .18s}.tide-bay.open,.search-layer.open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.tide-bay{left:0;top:58px;width:300px;height:480px;max-height:calc(100vh - 58px);background:#fff;border-radius:0 0 12px 0;box-shadow:0 14px 34px rgba(14,58,92,.18);overflow:auto}.bay-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(14,58,92,.12);z-index:1}.bay-brand{display:flex;align-items:center;gap:8px;color:#0E3A5C}.bay-brand img{height:24px}.bay-close,.search-close{min-height:44px;border:1px solid #5BA3D0;border-radius:10px;background:#fff;color:#0E3A5C;padding:0 12px;cursor:pointer}.bay-groups{padding:8px 12px 18px}.bay-groups section{padding:8px 0;border-bottom:1px solid rgba(14,58,92,.1)}.bay-groups section:last-child{border-bottom:0}.bay-groups h2{font-size:14px;color:#5A7388;margin:0 0 4px}.bay-groups a{display:block;padding:8px;border-radius:8px;text-decoration:none}.bay-groups a:hover{background:#F3F8FD}.bay-groups b{display:block;color:#0E3A5C}.bay-groups span{display:block;color:#5A7388;font-size:13px;line-height:1.5}.search-layer{left:max(20px,calc((100vw - 1120px)/2 + 20px));top:58px;width:440px;max-width:calc(100vw - 32px);background:#fff;border-radius:0 0 12px 12px;box-shadow:0 14px 34px rgba(14,58,92,.18);padding:14px}.search-head{display:flex;align-items:center;justify-content:space-between;color:#0E3A5C;margin-bottom:12px}.search-look{display:grid;gap:6px}.search-look span{font-size:13px;color:#5A7388}.search-look input{width:100%;min-height:46px;border:1px solid #5BA3D0;border-radius:10px;padding:0 12px;color:#24384C;background:#fff}.search-presets{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}.search-presets a{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;background:#F3F8FD;border:1px solid rgba(14,58,92,.12);font-weight:700}.mobile-bottom{display:none}.lock-scroll{overflow:hidden}.contact-card{padding:22px}.small-note{font-size:14px;color:#5A7388}.inline-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.inline-nav a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid #5BA3D0;border-radius:10px}.sitemap-list{columns:2;column-gap:28px}.sitemap-list a{display:block;padding:5px 0}
@media(max-width:760px){.top-inner,.stage-inner,.footer-inner,.page-shell{padding-left:16px;padding-right:16px}.search-open{right:16px}.tide-bridge{display:none}.page-main{padding-top:82px;padding-bottom:72px}.page-title,.home-intro h1{font-size:28px}.lead{font-size:17px}.three-grid,.content-section .grid-two,.app-layout,.split,.split.reverse{grid-template-columns:1fr}.three-grid{gap:14px}.split .section-copy,.split.reverse .section-copy{order:1}.split .image-slot,.split.reverse .image-slot{order:2}.cover-slot{height:180px;min-height:140px}.column-image{height:160px}.wide-image{height:170px}.app-image{height:360px}.footer-links{grid-template-columns:repeat(2,1fr)}.footer-brand{align-items:flex-start;flex-direction:column;gap:4px}.tide-bay{top:58px;width:calc(100% - 16px);height:62vh;max-height:62vh;border-radius:0 0 12px 0}.search-layer{top:58px;left:16px;width:calc(100% - 32px)}.mobile-bottom{display:grid;position:fixed;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 rgba(14,58,92,.14);z-index:1050}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;color:#0E3A5C;font-size:14px;text-decoration:none}.mobile-bottom a.current{background:#3D7EA6;color:#fff}.sitemap-list{columns:1}}
@media(max-width:420px){.top-brand{max-width:210px;overflow:hidden;text-overflow:ellipsis}.stage-actions{gap:4px}.stage-actions button,.stage-actions a{padding:0 10px;font-size:14px}.brand-home{max-width:160px}.brand-home img{max-width:150px}.footer-links{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}.hero,.content-section,.home-section,.contact-card{padding:18px}.cover-slot{height:150px}.app-image{height:330px}}
