:root{
  --bg:#E7F4F8;--deep-bg:#D7ECF2;--paper:#F3FAFC;--soft:#EAF6F9;
  --title:#163038;--text:#1F3C44;--muted:#4A6E78;--assist:#6A8C96;
  --blue:#7EB8E0;--cyan:#6EC9D4;--bay:#1A3A44;--white:#F3FAFC;--seaweed:#5A8A6A;
  --line:rgba(26,58,68,.14);--focus:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);
  --max:1000px;--top:118px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}html.locked,html.locked body{overflow:hidden}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}button{font:inherit}img{max-width:100%;display:block;object-fit:contain;object-position:center}.skip-link{position:fixed;left:12px;top:-60px;z-index:150;background:var(--paper);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto;z-index:90}.tide-brow{height:20px;background:var(--bay);color:var(--white);font-size:12px;line-height:20px}.head-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.brow-inner,.brand-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.text-button{border:0;background:transparent;color:var(--white);padding:0 4px;cursor:pointer;font-size:12px}.bay-brand{height:54px;background:var(--blue);border-bottom:1px solid var(--cyan)}.brand-link,.brand-actions{display:flex;align-items:center}.brand-logo-slot{height:24px;min-width:76px;display:flex;align-items:center}.brand-logo{height:24px;width:auto}.brand-fallback{font-size:16px;font-weight:800;color:var(--bay);letter-spacing:.04em}.brand-actions{gap:8px}.app-link,.bay-menu-button{height:44px;min-width:64px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;font-size:14px;white-space:nowrap}.app-link{background:var(--paper);border:1px solid var(--bay);color:var(--bay)}.bay-menu-button{border:1px solid var(--bay);background:transparent;color:var(--bay);cursor:pointer}.shore-points{height:44px;background:var(--paper);border-bottom:1px solid var(--line)}.shore-inner{height:100%;display:flex;justify-content:center;align-items:center;gap:60px}.shore-inner a{min-width:74px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:13px}.shore-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}.shore-inner a.is-current{color:var(--bay);font-weight:700}.shore-inner a.is-current .shore-dot{background:var(--bay)}.site-main{padding-top:calc(var(--top) + 30px);padding-bottom:52px;min-height:65vh}.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.hero-line{border-left:3px solid var(--cyan);padding:8px 0 8px 20px;max-width:820px;margin:12px 0 36px}.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}.hero-line h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--title);margin:5px 0 8px}.hero-line .lead{font-size:20px;line-height:1.45;color:var(--bay);font-weight:700;margin:0 0 10px}.hero-line p,.page-head p{margin:0;max-width:760px}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.button,.button-secondary{height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.button{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:var(--title);font-weight:700}.button-secondary{background:var(--paper);border:1px solid var(--bay);color:var(--bay)}a:hover,.text-button:hover,.bay-menu-button:hover,.close-button:hover{opacity:.82}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.section{margin:42px 0}.section-title{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-bottom:16px}.section-title h2{font-size:20px;color:var(--title);margin:0}.section-title p{margin:0;color:var(--muted);font-size:13px}.media-slot{width:100%;background:var(--deep-bg);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.short{height:188px}.media-slot.banner{height:200px}.media-slot.app-shot{height:300px}.media-slot.square{height:210px}.media-slot img{width:100%;height:100%;object-fit:contain}.alternating{display:grid;gap:18px}.alt-piece{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.alt-piece h3{font-size:16px;margin:12px 0 6px;color:var(--title)}.alt-piece p{margin:0}.alt-piece.text-first .media-slot{margin-top:14px}.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.vertical-note{background:var(--soft);border-top:3px solid var(--cyan);border-radius:9px;padding:16px;min-height:240px}.vertical-note h3{font-size:16px;margin:8px 0;color:var(--title)}.vertical-note p{margin:0}.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:780px;margin:0 auto}.center-card{background:var(--paper);border:1px solid var(--line);padding:22px;border-radius:11px;text-align:center}.center-card h3{font-size:16px;color:var(--title);margin:0 0 8px}.center-card p{margin:0}.tri-period{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.period-card strong{display:block;color:var(--title);font-size:16px;margin-bottom:6px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:14px}.status{font-weight:700;color:var(--seaweed)}.app-band{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(220px,.65fr);gap:24px;align-items:center;background:var(--bay);color:var(--white);border-radius:12px;padding:26px}.app-band h2,.app-band h3{color:var(--white);margin-top:0}.app-band p{color:#DCECEF}.app-icon{width:48px;height:48px;object-fit:contain}.method-list,.article-stack,.policy-stack,.faq-list,.memo-list,.topic-list{display:grid;gap:14px}.method-item,.article-block,.policy-block,.faq-item,.memo-item,.topic-item{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.method-item h2,.article-block h2,.policy-block h2,.faq-item h2,.memo-item h2,.topic-item h2{font-size:20px;color:var(--title);margin:0 0 8px}.method-item h3,.article-block h3,.policy-block h3,.memo-item h3,.topic-item h3{font-size:16px;color:var(--title);margin:0 0 8px}.method-item p,.article-block p,.policy-block p,.faq-item p,.memo-item p,.topic-item p{margin:0 0 10px}.method-item p:last-child,.article-block p:last-child,.policy-block p:last-child,.faq-item p:last-child,.memo-item p:last-child,.topic-item p:last-child{margin-bottom:0}.page-head{margin-bottom:26px;max-width:850px}.page-kicker{font-size:12px;color:var(--muted);letter-spacing:.09em}.cover-strip{margin:18px 0 26px}.cover-strip .media-slot{height:188px}.note-flow{display:grid;gap:18px;max-width:760px}.note-flow article{border-left:3px solid var(--cyan);padding:2px 0 2px 18px}.note-flow h2{font-size:20px;margin:0 0 8px;color:var(--title)}.note-flow p{margin:0 0 10px}.timeline{display:grid;gap:12px}.timeline article{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:16px;border-top:1px solid var(--line)}.timeline strong{color:var(--title)}.checklist{display:grid;gap:12px}.checklist article{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:9px;padding:16px}.checklist h2{font-size:18px;margin:0 0 8px;color:var(--title)}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.guide-grid article{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.guide-grid h2{font-size:18px;color:var(--title);margin:0 0 8px}.topic-list .topic-item{display:grid;grid-template-columns:150px 1fr;gap:18px}.topic-tag{font-weight:800;color:var(--bay);font-size:16px}.product-wide{display:grid;grid-template-columns:1fr minmax(220px,330px);gap:24px;align-items:start}.product-copy{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:22px}.small-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.small-links a{border:1px solid var(--bay);border-radius:8px;min-height:40px;padding:8px 12px;display:inline-flex;align-items:center}.legal-intro{background:var(--deep-bg);border-radius:10px;padding:18px;margin-bottom:16px}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);font-size:13px;padding:32px 0 72px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo-slot{width:86px}.footer-logo{height:24px;width:auto}.footer-brand strong{display:block;font-size:16px}.footer-brand span{display:block;color:#BFD8DE;font-size:12px;letter-spacing:.08em}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups section{display:flex;flex-direction:column;gap:5px}.footer-groups h2{font-size:13px;margin:0 0 6px;color:#E7F4F8}.footer-groups a{color:#D4E7EB}.footer-note{border-top:1px solid rgba(110,201,212,.25);padding-top:18px;margin:22px 0 8px;max-width:850px}.copyright{margin:0;color:#BDD3D8}.overlay{position:fixed;inset:0;background:rgba(20,48,56,.42);z-index:100;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.bay-menu{position:fixed;left:0;right:0;top:0;height:58vh;z-index:110;background:var(--paper);transform:translateY(-102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s;border-bottom:1px solid var(--focus);box-shadow:var(--shadow);overflow-y:auto}.bay-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bay-menu-top{width:min(var(--max),calc(100% - 32px));margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.bay-menu-title{display:flex;align-items:center;gap:9px}.menu-logo{height:24px;width:auto}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--bay);background:var(--paper);color:var(--bay);border-radius:8px;cursor:pointer}.bay-menu-grid{width:min(var(--max),calc(100% - 32px));margin:16px auto 30px;display:grid;grid-template-columns:1.2fr 1.2fr .9fr 1.4fr;gap:20px}.bay-menu-grid section{display:grid;align-content:start;gap:8px}.bay-menu-grid h2{font-size:14px;margin:0 0 4px;color:var(--muted)}.bay-menu-grid a{display:block;padding:8px;border-radius:8px;background:var(--soft);border:1px solid var(--line)}.bay-menu-grid b{display:block;color:var(--title)}.bay-menu-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:115;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--paper);border:1px solid var(--focus);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-card p{margin:8px 0 12px;color:var(--muted)}.search-presets{display:flex;gap:8px;flex-wrap:wrap}.search-presets a{min-height:40px;padding:7px 14px;border-radius:8px;background:var(--deep-bg);display:inline-flex;align-items:center}.mobile-bottom{display:none}.empty-slot-note{color:var(--assist);font-size:13px;padding:12px;text-align:center}.brand-statement{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px}.brand-statement h2{font-size:20px;margin-top:0;color:var(--title)}
@media (max-width:760px){
  :root{--top:74px}.head-inner,.page-wrap,.footer-inner,.bay-menu-top,.bay-menu-grid{width:calc(100% - 32px)}.shore-points{display:none}.site-main{padding-top:calc(var(--top) + 22px);padding-bottom:82px}.brand-actions{gap:4px}.app-link,.bay-menu-button{min-width:58px;padding:0 10px}.vertical-notes,.tri-period,.center-cards,.guide-grid,.footer-groups,.product-wide{grid-template-columns:1fr}.topic-list .topic-item,.timeline article,.status-row{grid-template-columns:1fr;gap:8px}.app-band{grid-template-columns:1fr;padding:20px}.media-slot.app-shot{height:280px}.footer-groups{gap:18px}.site-footer{padding-bottom:90px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:95;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)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--cyan);color:var(--bay);font-weight:700}.bay-menu{height:58vh}.bay-menu-grid{grid-template-columns:1fr 1fr}.search-layer{inset:0;top:0;background:var(--bay);color:var(--white)}.search-layer.is-open{display:block}.search-card{width:100%;height:100%;border:0;border-radius:0;background:var(--bay);color:var(--white);padding:20px 16px}.search-card p{color:#DDECEF}.search-card .close-button{background:transparent;color:var(--white);border-color:var(--white)}.search-presets a{background:#EAF6F9;color:var(--bay)}.hero-line{padding-left:16px}.section{margin:34px 0}
}
@media (max-width:420px){.bay-menu-grid{grid-template-columns:1fr}.brand-logo-slot{min-width:62px}.brand-fallback{font-size:15px}.app-link,.bay-menu-button{font-size:13px;padding:0 9px}.page-head h1,.hero-line h1{font-size:24px}.hero-line .lead{font-size:18px}}
.media-narrow{max-width:780px;margin-left:auto;margin-right:auto}.mb-14{margin-bottom:14px}.mb-16{margin-bottom:16px}.mb-22{margin-bottom:22px}.mb-24{margin-bottom:24px}.mb-26{margin-bottom:26px}.mt-26{margin-top:26px}.app-title-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.app-title-row-light{margin-bottom:14px}.no-margin{margin:0}.app-name{font-size:18px;color:var(--title)}.app-subtitle{color:var(--muted);font-size:13px}.center-head{text-align:center;margin-left:auto;margin-right:auto}.center-copy{margin-left:auto!important;margin-right:auto!important}.center-actions{justify-content:center}