:root{
  --bg:#E7F4F8;--bg-deep:#D7ECF2;--content:#F3FAFC;--soft:#EAF6F9;--title:#163038;--text:#1F3C44;--muted:#4A6E78;--aux:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--white:#F3FAFC;--kelp:#5A8A6A;--line:rgba(26,58,68,.14);--focus:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);--radius:10px
}
*{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.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.shell{width:min(1000px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--white);color:var(--deep);padding:10px 14px;border-radius:8px}.skip-link:focus{top:8px}.site-header{position:fixed;inset:0 0 auto;z-index:100;background:transparent}.tide-brow{height:20px;background:var(--deep);color:var(--white);font-size:12px}.brow-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:none;color:var(--white);padding:0 4px;cursor:pointer}.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-home{min-height:44px;display:inline-flex;align-items:center}.brand-logo,.panel-logo,.footer-logo{height:24px;width:auto;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--title);letter-spacing:.04em}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button,.button,.secondary-button{min-height:44px;padding:0 16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.app-link{background:var(--white);border:1px solid var(--deep);color:var(--deep)}.menu-button{border:1px solid var(--deep);background:transparent;color:var(--deep);cursor:pointer}.shore-nav{height:44px;background:var(--white);border-bottom:1px solid var(--line)}.shore-nav-inner{height:44px;display:flex;align-items:center;justify-content:center;gap:60px}.shore-item{height:44px;min-width:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;color:var(--muted);line-height:1.1}.shore-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-bottom:5px}.shore-item.is-current{color:var(--deep);font-weight:700}.shore-item.is-current .shore-dot{background:var(--deep)}.site-main{padding-top:118px;padding-bottom:32px}.page-wrap{width:min(1000px,calc(100% - 32px));margin:0 auto}.hero-line{border-left:3px solid var(--cyan);padding:18px 0 18px 22px;margin:36px 0 26px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700;text-transform:uppercase}.hero-line h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--title);margin:6px 0 10px}.hero-line .lead,.page-head .lead{max-width:780px;color:var(--muted);margin:0}.hero-line .motto{font-size:18px;font-weight:800;color:var(--deep);margin:8px 0}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.button{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:var(--title);border:1px solid var(--focus);font-weight:700}.secondary-button{background:var(--white);border:1px solid var(--deep);color:var(--deep)}a:hover,.text-button:hover,.menu-button:hover,.panel-close:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.section{margin:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}.section h2,.content-card h2,.note-card h2,.term-block h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 8px}.section h3,.content-card h3,.note-card h3,.term-block h3{font-size:16px;line-height:1.4;color:var(--title);margin:0 0 6px}.section p,.content-card p,.note-card p,.term-block p{margin:0 0 12px}.subtle{color:var(--muted)}.media-slot{width:100%;background:var(--bg-deep);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:140px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.strip-cover{height:188px}.banner-slot{height:200px}.app-visual{height:320px}.small-icon{width:64px;height:64px;min-height:64px}.small-icon img{width:48px;height:48px}.alternate-stack{display:grid;gap:18px}.alternate-block{background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.alternate-block .media-slot{margin-bottom:14px}.alternate-block.text-first .media-slot{margin:14px 0 0}.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}.note-card{background:var(--content);border-top:4px solid var(--cyan);border-radius:0 0 var(--radius) var(--radius);padding:18px;min-height:300px}.note-card .media-slot{height:150px;margin-bottom:14px}.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:780px;margin:0 auto}.content-card{background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.content-card .media-slot{margin-bottom:14px}.phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.phase{padding:18px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius)}.phase strong{color:var(--title);display:block;margin-bottom:6px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:100px 1fr;gap:16px;align-items:center;background:var(--content);border:1px solid var(--line);padding:14px 16px;border-radius:var(--radius)}.status-tag{border:1px solid var(--cyan);background:var(--soft);border-radius:999px;padding:4px 10px;text-align:center;font-size:13px;color:var(--deep)}.product-band{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:center;background:var(--deep);color:var(--white);padding:26px;border-radius:12px}.product-band h2,.product-band h3{color:var(--white)}.product-band .subtle{color:#CFE7ED}.product-copy .app-mark{display:flex;align-items:center;gap:12px;margin-bottom:10px}.product-copy .app-mark .media-slot{background:rgba(243,250,252,.08);border-color:rgba(243,250,252,.2)}.product-copy .button{margin-top:8px}.simple-list{display:grid;gap:10px}.simple-list article{background:var(--content);border-left:3px solid var(--cyan);padding:16px 18px;border-radius:0 var(--radius) var(--radius) 0}.simple-list h3{margin:0 0 4px}.faq-preview{display:grid;gap:10px}.faq-preview details,.faq-list details{background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.faq-preview summary,.faq-list summary{cursor:pointer;font-weight:700;color:var(--title)}.faq-preview p,.faq-list p{margin:10px 0 0}.brand-story{background:var(--bg-deep);border-radius:var(--radius);padding:22px}.page-head{margin:34px 0 20px}.page-head.with-line{border-left:3px solid var(--cyan);padding-left:20px}.page-head.compact{max-width:760px}.single-column{display:grid;gap:14px}.single-column article{background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.checklist{display:grid;gap:10px}.check-item{position:relative;padding:16px 18px 16px 48px;background:var(--content);border:1px solid var(--line);border-radius:var(--radius)}.check-item:before{content:"";position:absolute;left:18px;top:21px;width:14px;height:14px;border-radius:50%;border:2px solid var(--kelp);box-shadow:inset 0 0 0 3px var(--content);background:var(--kelp)}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:start;background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.topic-label{font-weight:800;color:var(--deep);font-size:16px}.terms{display:grid;gap:14px}.term-block{background:var(--content);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-grid article{background:var(--content);border-top:3px solid var(--cyan);padding:18px;border-radius:0 0 var(--radius) var(--radius)}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);padding:28px 0 24px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}.footer-brand strong{display:block;font-size:16px}.footer-brand span{display:block;color:#BFDCE3;font-size:12px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:14px;margin:0 0 8px;color:#F3FAFC}.footer-groups a{display:block;color:#D9EDF2;margin:4px 0}.footer-note{border-top:1px solid rgba(110,201,212,.24);margin:20px 0 0;padding-top:16px;color:#CBE4EA}.footer-copy{margin:8px 0 0;color:#AFCFD7}.page-overlay{position:fixed;inset:0;background:rgba(20,48,56,.42);z-index:190;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.bay-menu{position:fixed;left:0;right:0;top:0;height:58vh;z-index:210;background:var(--white);transform:translateY(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;box-shadow:var(--shadow);border-bottom:1px solid var(--cyan)}.bay-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bay-menu-head{height:58px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 max(16px,calc((100vw - 1000px)/2))}.bay-menu-brand{display:flex;align-items:center;gap:10px}.panel-close{min-height:44px;padding:0 14px;border-radius:8px;border:1px solid var(--deep);background:var(--white);color:var(--deep);cursor:pointer}.bay-menu-scroll{width:min(1000px,calc(100% - 32px));height:calc(58vh - 58px);margin:0 auto;overflow:auto;padding:16px 0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.menu-group h2{font-size:14px;margin:0 0 8px;color:var(--muted)}.menu-group a{display:block;border-top:1px solid var(--line);padding:8px 0}.menu-group strong{display:block;color:var(--title)}.menu-group span{display:block;font-size:12px;color:var(--muted);line-height:1.5;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:205;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--white);border:1px solid var(--cyan);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:start;justify-content:space-between;gap:12px}.search-head strong{font-size:18px;color:var(--title)}.search-head p{margin:2px 0 0;color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.preset-links a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:8px;color:var(--deep)}.mobile-bottom{display:none}.spacer-top{margin-top:22px}.muted-box{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:16px;color:var(--muted)}
@media (max-width:760px){.shore-nav{display:none}.site-main{padding-top:74px;padding-bottom:76px}.shell,.page-wrap{width:calc(100% - 32px)}.brand-actions{gap:6px}.app-link,.menu-button{padding:0 12px}.hero-line{margin-top:24px;padding-left:16px}.vertical-notes,.phase-grid,.center-cards,.method-grid,.contact-grid{grid-template-columns:1fr}.note-card{min-height:0}.product-band{grid-template-columns:1fr;padding:18px}.app-visual{height:280px}.topic-list article{grid-template-columns:1fr;gap:6px}.footer-groups{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:160;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(--white);border-top:1px solid var(--line)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--cyan);color:var(--deep);font-weight:700}.bay-menu{height:58vh}.bay-menu-scroll{grid-template-columns:1fr 1fr}.search-layer{inset:0;height:100vh;background:var(--deep);top:0;display:flex;align-items:flex-start;padding-top:24px}.search-card{background:var(--deep);color:var(--white);border:0;box-shadow:none}.search-head strong{color:var(--white)}.search-head p{color:#CDE5EA}.search-layer .panel-close{background:transparent;border-color:var(--white);color:var(--white)}.preset-links a{background:rgba(243,250,252,.08);border-color:rgba(243,250,252,.24);color:var(--white)}.page-overlay{z-index:180}.status-row{grid-template-columns:1fr;gap:8px}}
@media (max-width:420px){.brand-fallback{font-size:15px}.app-link,.menu-button{padding:0 10px}.footer-groups{grid-template-columns:1fr 1fr}.bay-menu-scroll{grid-template-columns:1fr}.page-head h1,.hero-line h1{font-size:23px}}