:root{--bg:#E7F4F8;--deep:#D7ECF2;--card:#F3FAFC;--soft:#EAF6F9;--title:#163038;--text:#1F3C44;--sub:#4A6E78;--muted:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--bay:#1A3A44;--white:#F3FAFC;--moss:#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;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}a,button{outline:none}a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px var(--focus);border-radius:8px}.site-top{position:fixed;inset:0 0 auto 0;z-index:50}.tide-brow{height:20px;background:#1A3A44;color:#F3FAFC;font-size:12px;line-height:20px}.top-inner{max-width:1000px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-button{height:20px;border:0;background:transparent;color:#F3FAFC;padding:0 4px;cursor:pointer}.bay-brand{height:54px;background:#7EB8E0;border-bottom:1px solid rgba(110,201,212,.5)}.brand-inner{height:54px}.brand-link{min-width:44px;min-height:44px;display: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:700;color:#163038}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:9px;font-size:14px;white-space:nowrap}.app-link{background:#F3FAFC;border:1px solid #1A3A44;color:#1A3A44}.menu-button{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);border:1px solid rgba(26,58,68,.16);color:#163038;cursor:pointer}.shore-points{height:44px;background:#F3FAFC;border-bottom:1px solid var(--border)}.shore-inner{height:44px;max-width:1000px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:center;gap:54px}.shore-inner a{height:44px;min-width:64px;font-size:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--sub)}.shore-inner i{width:6px;height:6px;border-radius:50%;background:var(--cyan)}.shore-inner a.is-active,.shore-inner a[aria-current="page"]{color:var(--bay);font-weight:700}.shore-inner a.is-active i,.shore-inner a[aria-current="page"] i{background:var(--bay)}.site-main{padding-top:118px;min-height:60vh}.wrap{width:min(100% - 32px,1000px);margin:0 auto}.section{padding:48px 0}.section-sm{padding:32px 0}.section-title{font-size:20px;line-height:1.35;margin:0 0 18px;color:var(--title)}h1{font-size:24px;line-height:1.3;color:var(--title);margin:0 0 12px}h2{font-size:20px;line-height:1.4;color:var(--title)}h3{font-size:16px;line-height:1.45;color:var(--title)}p{margin:0 0 14px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--moss);font-weight:700}.lead{font-size:16px;line-height:1.8;color:var(--text)}.muted{color:var(--sub)}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:9px;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:#163038;border:1px solid rgba(26,58,68,.08)}.btn-secondary{background:#F3FAFC;color:#1A3A44;border:1px solid #1A3A44}.image-slot{background:#D7ECF2;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}.hero-intro{padding:52px 0 30px}.intro-line{border-left:3px solid #6EC9D4;padding:6px 0 6px 18px;max-width:760px}.cover-strip .image-slot{width:100%;height:188px;background:#7EB8E0}.alternating{display:grid;gap:24px}.alt-item{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);overflow:hidden}.alt-item .image-slot{border:0;border-radius:0;height:210px}.alt-copy{padding:22px}.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.note-tall{min-height:340px;background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:20px;display:flex;flex-direction:column;justify-content:space-between}.note-tall .image-slot{height:138px;margin-bottom:16px}.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:780px;margin:0 auto}.center-card{text-align:center;background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:24px}.rack-head{max-width:780px;margin:0 auto 18px}.rack-head .image-slot{height:180px}.phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.phase{background:#EAF6F9;border:1px solid var(--border);border-radius:10px;padding:20px}.phase strong{display:block;color:var(--title);margin-bottom:8px}.timeline-image .image-slot{height:180px;margin-bottom:18px}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;padding:16px 18px;background:#F3FAFC;border:1px solid var(--border);border-radius:10px}.status-tag{font-size:13px;border:1px solid var(--focus);border-radius:999px;padding:4px 10px;color:var(--bay);background:#EAF6F9;white-space:nowrap}.journal{max-width:760px;margin:0 auto}.journal-entry{padding:24px 0;border-bottom:1px solid var(--border)}.journal-entry .image-slot{height:220px;margin:16px 0}.checklist{display:grid;gap:14px}.check-item{background:#F3FAFC;border-left:4px solid var(--cyan);border-radius:8px;padding:18px 20px}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.method{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:22px}.topic-list{display:grid;gap:14px}.topic-item{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:20px;display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:start}.product-band{background:#D7ECF2;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.product-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(220px,.65fr);gap:28px;align-items:center}.product-layout .image-slot{height:300px}.app-icon-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.app-icon-row .image-slot{width:58px;height:58px;flex:0 0 58px}.app-icon-row .image-slot img{width:48px;height:48px}.clause-list{display:grid;gap:18px}.clause{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:22px}.faq-list{display:grid;gap:14px}.faq-item{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:20px}.faq-item h2{font-size:16px;margin:0 0 8px}.about-banner .image-slot{height:200px}.brand-statement{max-width:820px;margin:0 auto}.brand-block{padding:24px 0;border-bottom:1px solid var(--border)}.brand-visual .image-slot{height:210px;margin:18px 0}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid #6EC9D4;padding:36px 0 80px}.footer-inner{width:min(100% - 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32px,760px);margin:0 auto;background:#F3FAFC;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-links{display:flex;gap:10px;flex-wrap:wrap}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;background:#EAF6F9;border:1px solid var(--border);border-radius:8px}.mobile-bar{display:none}.content-header{padding:44px 0 20px}.content-header p{max-width:760px;color:var(--sub)}.split-note{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--border)}.split-note strong{color:var(--moss)}.simple-list{display:grid;gap:12px}.simple-list article{background:#F3FAFC;border:1px solid var(--border);border-radius:10px;padding:20px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.callout{background:#1A3A44;color:#F3FAFC;border-radius:10px;padding:22px}.callout h2{color:#F3FAFC}.callout p{color:#e7f4f8}.mini-links{display:flex;gap:10px;flex-wrap:wrap}.mini-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--bay);border-radius:8px;background:#F3FAFC;color:#1A3A44}
@media (max-width:760px){.shore-points{display:none}.site-main{padding-top:74px;padding-bottom:58px}.section{padding:36px 0}.hero-intro{padding-top:38px}.vertical-notes,.phase-grid,.center-cards,.method-grid,.two-col,.product-layout{grid-template-columns:1fr}.topic-item{grid-template-columns:1fr;gap:8px}.status-row{grid-template-columns:1fr;gap:8px}.panel-groups{grid-template-columns:1fr 1fr}.bay-panel{height:58vh}.search-layer{top:0;bottom:0;background:#1A3A44}.search-card{width:100%;height:100%;border:0;border-radius:0;background:#1A3A44;color:#F3FAFC;box-shadow:none;padding:24px 16px}.search-head strong,.search-card p{color:#F3FAFC}.search-head button{background:#F3FAFC}.search-links{display:grid;grid-template-columns:1fr 1fr}.search-links a{background:#F3FAFC;color:#1A3A44}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:90px}.mobile-bar{position:fixed;z-index:60;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:#F3FAFC;border-top:1px solid var(--border)}.mobile-bar a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--sub)}.mobile-bar a.is-active,.mobile-bar a[aria-current="page"]{background:#6EC9D4;color:#163038;font-weight:700}.brand-actions{gap:4px}.app-link,.menu-button{padding:0 10px}.wrap{width:min(100% - 32px,1000px)}}
@media (max-width:460px){.panel-groups{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.panel-groups a{padding:7px 0}.brand-link{max-width:110px}.brand-logo{max-width:108px}.intro-line{padding-left:14px}.site-footer{padding-bottom:92px}}

.top-gap{margin-top:18px}