:root{--bg:#E7F4F8;--deep:#D7ECF2;--paper:#F3FAFC;--soft:#EAF6F9;--title:#163038;--text:#1F3C44;--muted:#4A6E78;--sub:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--bay:#1A3A44;--white:#F3FAFC;--moss:#5A8A6A;--line:rgba(26,58,68,.14);--accent:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:contain;object-position:center}button,input{font:inherit}button{cursor:pointer}.lock-scroll{overflow:hidden}.site-header{position:relative;z-index:60}.tide-brow{position:fixed;top:0;left:0;right:0;height:20px;background:var(--bay);color:var(--white);display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-size:12px;z-index:62}.tide-brand{color:var(--white)}.text-button{border:0;background:transparent;color:var(--white);font-size:12px;padding:0 4px;min-height:20px}.bay-bar{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--blue);border-bottom:1px solid var(--cyan);display:flex;align-items:center;justify-content:space-between;padding:0 18px;z-index:61}.bay-logo{display:flex;align-items:center;min-height:44px;font-size:16px;font-weight:700;color:var(--title)}.logo-img{height:24px;width:auto;max-width:170px}.bay-actions{display:flex;align-items:center;gap:8px}.app-entry,.bay-menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 14px;font-size:14px;white-space:nowrap}.app-entry{border:1px solid var(--bay);color:var(--bay);background:var(--paper)}.bay-menu-button{border:1px solid var(--accent);background:var(--bay);color:var(--white)}.shore-nav{position:fixed;top:74px;left:0;right:0;height:44px;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:52px;z-index:60}.shore-item{height:44px;min-width:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:13px;line-height:1.1}.shore-item i{display:block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-bottom:4px}.shore-item.is-current{color:var(--bay);font-weight:700}.shore-item.is-current i{background:var(--bay)}.site-main{padding-top:138px;min-height:70vh}.container{width:min(1000px,calc(100% - 32px));margin:0 auto}.page-section{margin:0 auto 28px}.section-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}h1,h2,h3{color:var(--title);margin:0 0 12px}h1{font-size:24px;line-height:1.3}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.45}p{margin:0 0 14px}.muted{color:var(--muted)}.eyebrow{font-size:12px;color:var(--sub);letter-spacing:.08em;margin-bottom:8px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:var(--title);border-color:var(--accent)}.btn-secondary{background:var(--paper);color:var(--bay);border-color:var(--bay)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(26,58,68,.26);outline-offset:2px}.btn:hover,.app-entry:hover,.bay-menu-button:hover{transform:translateY(-1px)}.narrow-media{max-width:760px;margin-left:auto;margin-right:auto}.media-gap{margin-bottom:16px}.media-gap-lg{margin-bottom:18px}.spacer-12{height:12px}.on-dark-muted{color:#cce5eb}.on-dark-title{color:#fff}
.image-slot{width:100%;background:var(--deep);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain}.slot-strip{height:188px}.slot-regular{height:240px}.slot-banner{height:200px}.slot-app{height:320px;max-width:320px;margin:0 auto}.slot-small{height:170px}.intro-line{background:var(--paper);border-left:3px solid var(--cyan);padding:22px 22px 22px 24px;border-radius:0 10px 10px 0;box-shadow:var(--shadow)}.intro-line .lead{font-size:18px;color:var(--bay);font-weight:700;margin-bottom:10px}.split-stack{display:grid;grid-template-columns:1fr;gap:14px}.text-panel{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.vertical-note{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px;min-height:260px;display:flex;flex-direction:column}.vertical-note .narrow-media{max-width:760px;margin-left:auto;margin-right:auto}.media-gap{margin-bottom:16px}.media-gap-lg{margin-bottom:18px}.spacer-12{height:12px}.on-dark-muted{color:#cce5eb}.on-dark-title{color:#fff}
.image-slot{margin-bottom:14px}.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:760px;margin:0 auto}.center-card{text-align:center;padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.center-card p{text-align:left}.season-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.season-block{padding:18px;background:var(--soft);border:1px solid var(--accent);border-radius:10px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:160px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.status-pill{font-size:12px;border:1px solid var(--accent);background:var(--soft);color:var(--bay);border-radius:999px;padding:4px 9px;white-space:nowrap}.app-band{background:var(--bay);color:var(--white);border-radius:12px;padding:24px;display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center}.app-band h2,.app-band h3{color:var(--white)}.app-band .muted{color:#cce5eb}.app-icon-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.app-icon{width:48px;height:48px;border-radius:10px;background:var(--paper);display:flex;align-items:center;justify-content:center;overflow:hidden}.app-icon img{width:48px;height:48px;object-fit:contain}.method-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.method-item{padding:18px;background:var(--paper);border-top:3px solid var(--cyan);border-radius:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line)}.faq-short{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.faq-short article{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.brand-story{padding:24px;background:linear-gradient(180deg,var(--soft),var(--paper));border:1px solid var(--line);border-radius:12px}.alternate{display:grid;gap:18px}.alternate article{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.alternate article:nth-child(even) .alt-media{order:2}.alternate article:nth-child(even) .alt-text{order:1}.single-notes{display:grid;gap:16px}.single-note{padding:20px;background:var(--paper);border-left:4px solid var(--cyan);border-radius:0 10px 10px 0}.memo-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.memo-item{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.terms{display:grid;gap:16px}.terms section{padding:20px 22px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-grid article{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.qa-list{display:grid;gap:12px}.qa-list details{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 18px}.qa-list summary{font-weight:700;color:var(--title);cursor:pointer}.qa-list p{margin:12px 0 0}.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-paths article{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.about-values{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.about-values article{padding:18px;background:var(--paper);border-bottom:3px solid var(--cyan);border-radius:10px}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);margin-top:40px;padding:28px 0 calc(28px + env(safe-area-inset-bottom))}.footer-inner{width:min(1000px,calc(100% - 32px));margin:0 auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand div:last-child{display:flex;flex-direction:column}.footer-brand strong{color:#fff}.footer-brand span{font-size:12px;color:#b8d9df}.footer-logo-slot{min-width:24px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid rgba(110,201,212,.28);border-bottom:1px solid rgba(110,201,212,.28);padding:20px 0}.footer-links h3{color:#fff;font-size:13px;margin:0 0 8px}.footer-links a{display:block;color:#d4ebef;font-size:13px;margin:5px 0}.footer-note,.copyright{font-size:13px;color:#c4dee3}.footer-note{margin-top:18px}.copyright{margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(20,48,56,.38);opacity:0;pointer-events:none;z-index:80;transition:opacity .2s}.overlay.is-visible{opacity:1;pointer-events:auto}.bay-panel{position:fixed;left:0;right:0;top:0;height:58vh;min-height:360px;background:var(--paper);z-index:90;transform:translateY(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;border-bottom:1px solid var(--accent);box-shadow:var(--shadow);overflow:auto}.bay-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.panel-top{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:2}.panel-brand{display:flex;align-items:center;gap:10px}.panel-close,.search-head button{min-width:64px;min-height:44px;border:1px solid var(--bay);background:var(--paper);color:var(--bay);border-radius:9px}.panel-groups{width:min(1000px,calc(100% - 32px));margin:0 auto;padding:18px 0 28px;display:grid;grid-template-columns:1.1fr 1.1fr .8fr 1.2fr;gap:18px}.panel-group h2{font-size:14px;margin:0 0 8px}.panel-group a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.panel-group a strong{display:block;font-size:14px}.panel-group a span{display:block;font-size:12px;color:var(--muted);line-height:1.5}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:89;visibility:hidden;pointer-events:none}.search-layer.is-open{visibility:visible;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--paper);border:1px solid var(--accent);box-shadow:var(--shadow);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.search-head strong{display:block;color:var(--title)}.search-head span{display:block;color:var(--muted);font-size:13px}.search-card label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}.search-card input{width:100%;height:44px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:0 12px;color:var(--text)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--accent);border-radius:999px;color:var(--bay);background:var(--soft)}.mobile-bottom{display:none}
@media(max-width:720px){.tide-brow{padding:0 12px}.bay-bar{padding:0 12px}.shore-nav{display:none}.site-main{padding-top:94px;padding-bottom:68px}.bay-actions{gap:6px}.app-entry,.bay-menu-button{padding:0 11px}.container{width:calc(100% - 32px)}.note-grid,.season-row,.method-list,.about-values{grid-template-columns:1fr}.center-cards,.faq-short,.memo-list,.help-grid,.contact-paths{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:6px}.app-band{grid-template-columns:1fr}.alternate article{grid-template-columns:1fr}.alternate article:nth-child(even) .alt-media,.alternate article:nth-child(even) .alt-text{order:initial}.topic-item{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.panel-groups{grid-template-columns:1fr 1fr}.bay-panel{height:58vh}.search-layer{top:0;bottom:0;background:var(--bay)}.search-layer.is-open{visibility:visible}.search-card{width:100%;height:100%;border:0;border-radius:0;margin:0;background:var(--bay);color:var(--white);padding:24px 16px}.search-head strong,.search-card label{color:var(--white)}.search-head span{color:#cde3e8}.search-head button{background:transparent;color:var(--white);border-color:rgba(255,255,255,.45)}.search-card input{background:var(--paper)}.search-presets a{background:rgba(243,250,252,.08);color:var(--white);border-color:rgba(110,201,212,.55)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border-top:1px solid var(--line);z-index:70}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--cyan);color:var(--bay);font-weight:700}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}.slot-banner{height:200px}.slot-app{height:300px}}
@media(max-width:460px){.panel-groups{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.bay-logo .logo-img{max-width:120px}}