:root{
    --bg:#E7F4F8;--bg-deep:#D7ECF2;--content:#F3FAFC;--secondary:#EAF6F9;
    --title:#163038;--text:#1F3C44;--muted:#4A6E78;--soft:#6A8C96;
    --blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--fog:#F3FAFC;--seaweed:#5A8A6A;
    --border:rgba(26,58,68,.14);--focus: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}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(100% - 32px,1000px);margin:0 auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:300;background:var(--fog);color:var(--deep);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto 0;z-index:120}.tide-brow{height:20px;background:var(--deep);color:var(--fog);font-size:12px}.brow-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:transparent;color:var(--fog);padding:0 4px;height:20px}.bay-brand{height:54px;background:var(--blue);border-bottom:1px solid var(--cyan)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-mark{display:inline-flex;align-items:center;min-height:44px;font-size:16px;font-weight:800;color:var(--deep)}.brand-mark img,.footer-brand img,.panel-brand img{height:24px;width:auto;max-width:160px;object-fit:contain}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-trigger,.close-trigger{min-height:44px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;font-size:14px}.app-link{background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);border:1px solid rgba(22,48,56,.18);color:var(--deep);font-weight:700}.menu-trigger,.close-trigger{background:var(--fog);border:1px solid var(--deep);color:var(--deep)}.shore-points{height:44px;background:var(--fog);border-bottom:1px solid var(--border)}.shore-inner{height:44px;display:flex;align-items:center;justify-content:center;gap:52px}.shore-link{height:44px;min-width:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:13px;color:var(--muted)}.shore-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}.shore-link.is-active{color:var(--deep);font-weight:700}.shore-link.is-active .shore-dot{background:var(--deep)}.site-main{padding-top:118px;min-height:70vh}.page-section{padding:46px 0}.page-section.compact{padding:30px 0}.page-section.alt{background:var(--bg-deep)}.page-section.soft{background:var(--secondary)}h1,h2,h3{margin-top:0;color:var(--title);line-height:1.3}h1{font-size:24px;margin-bottom:14px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:780px}.kicker{display:block;color:var(--seaweed);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}.intro-line{border-left:3px solid var(--cyan);padding-left:20px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{height:42px;min-width:112px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:750;white-space:nowrap}.btn.primary{background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);color:var(--deep);border:1px solid transparent}.btn.secondary{background:var(--fog);color:var(--deep);border:1px solid var(--deep)}a:hover,.text-trigger:hover,.menu-trigger:hover,.close-trigger:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.image-slot{background:var(--secondary);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.strip-cover{height:188px}.slot-gap{margin-bottom:18px}.banner-slot{height:200px}.app-visual{height:300px}.content-card{background:var(--content);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:20px}.plain-card{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px}.muted{color:var(--muted)}.meta-note{color:var(--soft);font-size:13px}.stagger{display:grid;gap:24px}.stagger-block{display:grid;gap:14px;max-width:760px}.stagger-block:nth-child(even){margin-left:auto}.stagger-block .image-slot{height:196px}.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}.vertical-note{min-height:270px;background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px;display:flex;flex-direction:column}.vertical-note .image-slot{height:126px;margin-bottom:14px}.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:760px;margin:0 auto}.rack-head{max-width:760px;margin:0 auto 18px}.rack-head .image-slot{height:180px}.tri-flow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.tri-flow article{background:var(--content);border-top:4px solid var(--cyan);border-radius:9px;padding:18px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:150px 1fr 110px;gap:16px;align-items:center;background:var(--content);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.status-badge{justify-self:end;color:var(--deep);background:var(--bg-deep);border-radius:999px;padding:4px 10px;font-size:13px}.app-band{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:center;background:var(--content);border:1px solid var(--focus);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.app-icon-row{display:flex;gap:12px;align-items:center;margin-bottom:12px}.app-icon-row .image-slot{width:50px;height:50px;flex:0 0 50px}.text-columns{columns:2;column-gap:34px}.text-columns p{break-inside:avoid}.faq-preview{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.faq-preview details,.faq-list details{background:var(--content);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.faq-preview summary,.faq-list summary{cursor:pointer;font-weight:750;color:var(--title)}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);padding:32px 0 calc(26px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:220px 1fr;gap:28px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.footer-brand strong{font-size:16px}.footer-brand span{font-size:12px;color:#bfd7de}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:13px;color:#E7F4F8;margin-bottom:7px}.footer-groups a{display:block;font-size:13px;color:#d8edf2;padding:3px 0}.footer-note{border-top:1px solid rgba(110,201,212,.28);margin-top:24px;padding-top:18px;font-size:13px;color:#cce3e8}.footer-note p:last-child{margin-bottom:0}.page-overlay{position:fixed;inset:0;background:rgba(10,28,34,.44);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.bay-panel{position:fixed;left:0;right:0;top:0;height:58vh;z-index:180;background:var(--bg);box-shadow:0 20px 60px rgba(10,28,34,.25);transform:translateY(-105%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.bay-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.panel-head{height:68px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.panel-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.panel-scroll{height:calc(58vh - 68px);overflow:auto;padding-top:16px;padding-bottom:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.panel-group h2{font-size:14px;margin-bottom:8px}.panel-group a{display:block;background:var(--content);border:1px solid var(--border);border-radius:8px;padding:9px 10px;margin-bottom:7px}.panel-group strong{display:block;font-size:14px}.panel-group span{display:block;font-size:12px;color:var(--muted);line-height:1.45;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:190;visibility:hidden;pointer-events:none;transform:translateY(-15px);opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.search-card{background:var(--fog);border:1px solid var(--border);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:0}.search-card label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px}.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:8px;background:white;color:var(--text);padding:0 12px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;padding:8px 13px;background:var(--secondary);border:1px solid var(--border);border-radius:999px;color:var(--deep)}.search-hint{font-size:13px;color:var(--muted);margin-top:10px}.mobile-bottom{display:none}.page-hero{padding:42px 0 26px}.hero-narrow{max-width:760px}.content-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.content-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.side-note-layout{display:grid;grid-template-columns:3px 1fr;gap:18px}.side-note-layout:before{content:"";background:var(--cyan);border-radius:999px}.article-flow{max-width:780px;margin:0 auto}.article-flow article{padding:22px 0;border-bottom:1px solid var(--border)}.article-flow article:last-child{border-bottom:0}.journal-list{max-width:780px;margin:0 auto;display:grid;gap:14px}.journal-entry{background:var(--content);border-left:4px solid var(--cyan);padding:18px 20px;border-radius:0 10px 10px 0}.journal-entry .image-slot{height:200px;margin:12px 0}.memo-stack{display:grid;gap:14px}.memo-item{display:grid;grid-template-columns:170px 1fr;gap:18px;align-items:start;background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px}.memo-check{font-weight:800;color:var(--seaweed)}.method-steps{counter-reset:step;max-width:820px}.method-step{counter-increment:step;display:grid;grid-template-columns:58px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}.method-step:before{content:counter(step, decimal-leading-zero);font-size:22px;font-weight:800;color:var(--cyan)}.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:180px 1fr;gap:18px;background:var(--content);border-bottom:1px solid var(--border);padding:18px}.topic-item strong{color:var(--title)}.centered-stack{max-width:760px;margin:0 auto;display:grid;gap:16px}.install-ribbon{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:10px;overflow:hidden}.install-ribbon article{padding:22px;background:var(--content)}.install-ribbon article:nth-child(2),.install-ribbon article:nth-child(3){background:var(--secondary)}.clause-list{display:grid;gap:12px}.clause{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px}.grade-panels{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.privacy-grid article{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px}.help-path{display:grid;gap:0;max-width:820px}.help-path article{position:relative;padding:18px 18px 18px 52px;border-left:2px solid var(--cyan);margin-left:12px}.help-path article:before{content:"";position:absolute;left:-7px;top:28px;width:12px;height:12px;border-radius:50%;background:var(--deep)}.faq-list{display:grid;gap:10px}.contact-rail{display:grid;grid-template-columns:220px 1fr;gap:24px}.contact-tags{display:grid;gap:8px;align-content:start}.contact-tags span{display:block;background:var(--content);border:1px solid var(--border);border-radius:8px;padding:10px}.about-band{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.about-mark{border:1px solid var(--border);border-radius:12px;background:var(--content);padding:24px}.about-mark .image-slot{height:220px}.quote-line{font-size:19px;color:var(--title);font-weight:800;line-height:1.5}.small-link-list{display:flex;flex-wrap:wrap;gap:8px}.small-link-list a{background:var(--content);border:1px solid var(--border);border-radius:999px;padding:8px 12px}.legal-note{font-size:13px;color:var(--muted);background:var(--secondary);border-left:3px solid var(--seaweed);padding:12px 14px;border-radius:0 8px 8px 0}
@media (max-width:760px){.shell{width:min(100% - 32px,1000px)}.shore-points{display:none}.site-main{padding-top:74px;padding-bottom:58px}.site-head{height:74px}.bay-brand,.brand-inner{height:54px}.brand-actions{gap:4px}.app-link,.menu-trigger{padding:0 10px;min-width:44px}.brand-mark img{max-width:118px}.page-section{padding:34px 0}.vertical-notes,.tri-flow,.content-grid-3,.privacy-grid{grid-template-columns:1fr}.center-cards,.content-grid-2,.grade-panels,.about-band{grid-template-columns:1fr}.app-band{grid-template-columns:1fr}.app-band .app-visual{max-width:280px;width:100%;margin:0 auto}.status-row{grid-template-columns:1fr;gap:6px}.status-badge{justify-self:start}.text-columns{columns:1}.faq-preview{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.panel-scroll{grid-template-columns:1fr 1fr}.bay-panel{height:58vh}.panel-scroll{height:calc(58vh - 68px)}.search-layer{top:0;bottom:0;background:var(--deep);color:var(--fog);padding-top:0}.search-card{width:100%;height:100%;border:0;border-radius:0;background:var(--deep);color:var(--fog);padding:22px 16px;overflow:auto}.search-card h2,.search-card p,.search-card label{color:var(--fog)}.search-card .close-trigger{background:var(--fog);color:var(--deep)}.search-presets a{background:rgba(243,250,252,.10);border-color:rgba(243,250,252,.26);color:var(--fog)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:110;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--fog);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-active{background:var(--cyan);color:var(--deep);font-weight:800}.footer-note{padding-bottom:14px}.stagger-block,.stagger-block:nth-child(even){margin:0}.memo-item,.topic-item,.contact-rail{grid-template-columns:1fr}.install-ribbon{grid-template-columns:1fr}.about-mark .image-slot{height:180px}.text-trigger{min-width:44px}.strip-cover{height:188px}.slot-gap{margin-bottom:18px}}
@media (max-width:460px){.panel-scroll{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:14px}.footer-groups div:last-child{grid-column:1/-1}.vertical-note{min-height:auto}.site-main{padding-bottom:64px}}