:root{
  --bg:#E7F4F8;--bg-deep:#D7ECF2;--paper:#F3FAFC;--soft:#EAF6F9;
  --title:#163038;--text:#1F3C44;--muted:#4A6E78;--quiet:#6A8C96;
  --blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--white:#F3FAFC;--green:#5A8A6A;
  --border:rgba(26,58,68,.14);--border-strong:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);
  --max:1000px;--radius:10px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}
.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-shell{position:fixed;top:0;left:0;right:0;z-index:80;box-shadow:0 5px 16px rgba(22,48,56,.05)}
.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{height:20px;padding:0 4px;border:0;background:transparent;color:var(--white);font-size:12px}
.text-button:focus-visible,.bay-menu-button:focus-visible,.panel-close:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.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;gap:16px}
.brand-home{min-height:44px;display:flex;align-items:center;gap:8px;font-weight:700;color:var(--deep);font-size:16px}
.brand-image-slot,.menu-logo-slot,.footer-logo-slot{min-width:28px;min-height:24px;display:flex;align-items:center}
.brand-image-slot img,.menu-logo-slot img,.footer-logo-slot img{height:24px;width:auto;max-width:128px;object-fit:contain}
.brand-image-slot:empty{display:none}.brand-image-slot:not(:empty)+.brand-fallback{position:absolute;left:-9999px}
.brand-actions{display:flex;align-items:center;gap:8px}
.top-app-link,.bay-menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:8px;border:1px solid var(--deep);background:var(--paper);color:var(--deep);font-size:14px;font-weight:700;white-space:nowrap}
.bay-menu-button{background:var(--deep);color:var(--white)}
.shore-points{height:44px;background:var(--paper);border-bottom:1px solid var(--border)}
.shore-inner{height:44px;display:flex;align-items:center;justify-content:center;gap:66px}
.shore-link{height:44px;min-width:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:13px;color:var(--muted)}
.shore-link span{width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.shore-link.is-current{color:var(--deep);font-weight:700}.shore-link.is-current span{background:var(--deep)}
.site-main{padding-top:138px;min-height:60vh}
.page{padding:34px 0 56px}
.page-header{margin-bottom:24px}
.eyebrow{font-size:12px;color:var(--green);font-weight:700;letter-spacing:.06em}
h1,h2,h3{color:var(--title);margin-top:0}
h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4;margin-bottom:10px}h3{font-size:16px;line-height:1.5;margin-bottom:8px}
p{margin:0 0 14px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.section{margin:28px 0}.section-tight{margin:18px 0}
.card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.soft-card{background:var(--soft);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.image-slot{width:100%;background:var(--bg-deep);border:1px solid var(--border-strong);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.strip-image{height:188px}.medium-image{min-height:180px;max-height:260px}.app-image{height:300px;max-width:360px}.banner-image{height:200px}.icon-slot{width:48px;height:48px;flex:0 0 48px;background:var(--soft);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px;object-fit:contain}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{height:42px;padding:0 18px;border-radius:9px;border:1px solid var(--deep);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:var(--deep);border-color:transparent}.btn-secondary{background:var(--paper);color:var(--deep)}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(22,48,56,.10)}
.notice{border-left:3px solid var(--cyan);padding:18px 20px;background:rgba(243,250,252,.76);border-radius:0 10px 10px 0}.notice strong{color:var(--title)}
.home-intro{margin:28px 0 24px}.home-intro .main-sentence{font-size:20px;font-weight:800;color:var(--deep);margin-bottom:8px}
.stagger{display:grid;gap:18px}.stagger-item{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stagger-item.reverse{display:flex;flex-direction:column}.stagger-copy{padding-top:14px}.stagger-item.reverse .stagger-copy{order:1;padding-top:0;padding-bottom:14px}.stagger-item.reverse .image-slot{order:2}
.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.vertical-note{min-height:270px;background:var(--soft);border-top:4px solid var(--cyan);border-radius:8px;padding:18px;display:flex;flex-direction:column}.vertical-note .image-slot{height:110px;margin-bottom:14px}.vertical-note p{margin-bottom:0}
.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:780px;margin:0 auto}.center-card{text-align:center;background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:22px}.center-card .image-slot{height:120px;margin-bottom:14px}
.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period{padding:18px;background:var(--paper);border:1px solid var(--border);border-radius:10px}.period b{display:block;color:var(--deep);margin-bottom:6px}
.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:14px}.status-tag{display:inline-flex;min-height:34px;align-items:center;justify-content:center;border-radius:999px;background:var(--soft);border:1px solid var(--border-strong);font-weight:700;color:var(--deep);padding:2px 10px}
.product-band{background:var(--deep);color:var(--white);border-radius:12px;padding:24px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(220px,.65fr);gap:24px;align-items:center}.product-band h2,.product-band h3{color:var(--white)}.product-band p{color:#d9edf2}.product-band .btn-secondary{background:var(--paper);color:var(--deep)}.product-meta{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.info-grid .card{box-shadow:none}
.faq-preview{display:grid;gap:10px}.faq-preview details,.faq-list details{background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.faq-preview summary,.faq-list summary{cursor:pointer;font-weight:700;color:var(--deep)}.faq-preview details p,.faq-list details p{margin:10px 0 0;color:var(--muted)}
.brand-summary{background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:22px}
/* 内页独立结构 */
.chaoji-layout .story-piece{display:grid;grid-template-columns:1fr;gap:0;margin-bottom:18px;background:var(--paper);border:1px solid var(--border);border-radius:11px;overflow:hidden}.chaoji-layout .story-copy{padding:20px}.chaoji-layout .story-piece:nth-child(even) .story-copy{background:var(--soft)}
.anying-layout .strip-head{margin-bottom:22px}.anying-layout .scene-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--border)}.anying-layout .scene-row:last-child{border-bottom:0}.scene-key{font-weight:800;color:var(--deep)}
.wanbu-layout{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;align-items:start}.wanbu-column{background:var(--paper);border-top:4px solid var(--cyan);border-radius:8px;padding:16px;min-height:360px}.wanbu-column:nth-child(2n){margin-top:36px}.wanbu-column .image-slot{height:100px;margin-bottom:12px}
.jiaotai-layout{max-width:760px;margin:0 auto}.jiaotai-note{padding:20px 0;border-bottom:1px solid var(--border)}.jiaotai-note:first-of-type{padding-top:0}.jiaotai-note .image-slot{height:180px;margin-bottom:16px}
.xunchao-layout{display:grid;gap:18px}.xunchao-block{display:grid;grid-template-columns:140px 1fr;gap:20px;background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.xunchao-block strong{font-size:18px;color:var(--deep)}
.wanli-layout .status-row{grid-template-columns:120px 150px 1fr}
.memo-list{display:grid;gap:12px}.memo-item{background:var(--paper);border-left:5px solid var(--green);border-radius:0 9px 9px 0;padding:16px 18px}.memo-item .image-slot{height:160px;margin-bottom:14px}
.method-guide{counter-reset:method;display:grid;gap:16px}.method-step{counter-increment:method;position:relative;padding:18px 18px 18px 64px;background:var(--paper);border:1px solid var(--border);border-radius:10px}.method-step:before{content:counter(method);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--cyan);color:var(--deep);font-weight:800}
.topic-list{display:grid;gap:12px}.topic-row{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px;display:grid;grid-template-columns:180px 1fr;gap:20px}.topic-row b{color:var(--deep)}
.wanjia-layout{max-width:820px;margin:0 auto;text-align:center}.wanjia-layout .rack-head{margin-bottom:18px}.wanjia-layout .center-cards{grid-template-columns:1fr 1fr}.wanjia-layout .center-card{text-align:left}.wanjia-layout .center-card h2{text-align:center}
.app-layout .product-band{margin-bottom:20px}.app-feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.app-feature{background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:16px}
.install-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.install-step{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.install-step span{font-size:12px;color:var(--green);font-weight:700}
.legal-layout{display:grid;gap:14px}.legal-section{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.legal-section h2{padding-bottom:8px;border-bottom:1px solid var(--border)}
.help-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-item{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}
.faq-list{display:grid;gap:10px}.faq-list details[open]{border-color:var(--border-strong)}
.contact-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-item{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.contact-item p:last-child{margin-bottom:0}
.about-banner{margin-bottom:22px}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.about-statement{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.about-brand-image{grid-column:1/-1;display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;background:var(--soft);border:1px solid var(--border);border-radius:10px;padding:20px}.about-brand-image .image-slot{height:160px}
/* 面板 */
.screen-overlay{position:fixed;inset:0;background:rgba(20,48,56,.34);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}
.bay-menu{position:fixed;top:0;left:0;right:0;height:58vh;min-height:340px;background:var(--paper);z-index:100;transform:translateY(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;box-shadow:0 18px 36px rgba(20,48,56,.18);overflow:auto}.bay-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bay-menu-head{position:sticky;top:0;background:var(--paper);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - var(--max))/2));border-bottom:1px solid var(--border);z-index:1}.menu-brand{display:flex;align-items:center;gap:8px;color:var(--deep)}.panel-close{min-width:64px;height:44px;border:1px solid var(--deep);border-radius:8px;background:var(--paper);color:var(--deep)}.bay-menu-groups{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:18px 0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.bay-menu-groups section{min-width:0}.bay-menu-groups h2{font-size:16px;margin-bottom:8px}.bay-menu-groups a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.bay-menu-groups b{display:block;color:var(--deep);font-size:14px}.bay-menu-groups span{display:block;font-size:12px;color:var(--muted);white-space:normal}
.search-layer{position:fixed;top:74px;left:0;right:0;z-index:99;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:12px auto 0;background:var(--paper);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px;color:var(--deep)}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{min-height:44px;padding:0 15px;display:inline-flex;align-items:center;background:var(--soft);border:1px solid var(--border);border-radius:999px;font-weight:700;color:var(--deep)}.search-card p{margin:14px 0 0;color:var(--muted)}
.panel-open{overflow:hidden}
.mobile-bottom{display:none}
.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);font-size:13px}.footer-wrap{padding:30px 0 76px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{display:block;font-size:16px}.footer-brand span{display:block;font-size:12px;color:#cfe3e8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-links h2{font-size:14px;color:#F3FAFC;margin-bottom:8px}.footer-links a{display:block;color:#d9edf2;padding:4px 0}.footer-note{margin-top:22px;color:#cfe3e8;max-width:800px}.footer-copy{margin:12px 0 0;color:#b8d0d6}
@media (max-width:760px){
  .wrap{width:calc(100% - 32px)}.shore-points{display:none}.site-main{padding-top:74px}.page{padding-top:26px;padding-bottom:72px}.brand-inner{gap:8px}.brand-actions{gap:6px}.top-app-link,.bay-menu-button{padding:0 10px}.brand-fallback{max-width:90px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.vertical-notes,.periods,.center-cards,.info-grid,.app-feature-row,.install-steps,.help-layout,.contact-layout,.about-layout{grid-template-columns:1fr}.product-band{grid-template-columns:1fr}.product-band .app-image{height:260px;max-width:none}.wanbu-layout{grid-template-columns:1fr}.wanbu-column,.wanbu-column:nth-child(2n){min-height:0;margin-top:0}.xunchao-block{grid-template-columns:1fr}.wanli-layout .status-row,.status-row{grid-template-columns:1fr}.topic-row{grid-template-columns:1fr}.anying-layout .scene-row{grid-template-columns:1fr;gap:6px}.about-brand-image{grid-column:auto;grid-template-columns:1fr}.about-brand-image .image-slot{height:140px}.bay-menu{height:58vh}.bay-menu-groups{grid-template-columns:1fr 1fr;gap:14px}.search-layer{top:0;bottom:0;background:var(--deep);display:flex;align-items:flex-start}.search-card{margin:74px 16px 0;width:calc(100% - 32px);background:var(--deep);color:var(--white);border-color:rgba(243,250,252,.18);box-shadow:none}.search-head{color:var(--white)}.search-card p{color:#d9edf2}.search-presets a{background:rgba(243,250,252,.08);color:var(--white);border-color:rgba(243,250,252,.22)}.search-card .panel-close{background:var(--white)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:85;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}.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}.site-footer{padding-bottom:48px}.footer-links{grid-template-columns:1fr 1fr}.footer-wrap{padding-bottom:34px}
}
@media (max-width:420px){.bay-menu-groups{grid-template-columns:1fr}.top-app-link,.bay-menu-button{font-size:13px;padding:0 9px}.brand-home{font-size:15px}.footer-links{grid-template-columns:1fr 1fr}}

/* 社区内容发现新版 */
.home-intro{background:linear-gradient(180deg,rgba(243,250,252,.94),rgba(234,246,249,.88))}
.home-intro .main-sentence{font-size:21px}
.discovery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.discovery-card{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.discovery-card .tag{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:12px;font-weight:700;margin-bottom:10px}
.timeline-list{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}.timeline-item:last-child{border-bottom:0}.timeline-item strong{color:var(--deep)}
.topic-chips{display:flex;flex-wrap:wrap;gap:9px}.topic-chips a{min-height:40px;padding:0 14px;display:inline-flex;align-items:center;border:1px solid var(--border);background:var(--paper);border-radius:999px;color:var(--deep);font-weight:700}
.quote-panel{background:var(--deep);color:var(--white);border-radius:12px;padding:24px}.quote-panel h2{color:var(--white)}.quote-panel p{color:#d9edf2}
@media(max-width:760px){.discovery-grid{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr;gap:4px}}