*{box-sizing:border-box}
html{background:#e8ecee;scroll-behavior:smooth}
body{margin:0;background:#e8ecee;color:#2d3a3f;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75;overflow-x:hidden}
body.locked{overflow:hidden}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.skip-link{position:fixed;left:16px;top:-60px;background:#f5f7f7;color:#1f2a2e;padding:8px 12px;z-index:2000}
.skip-link:focus{top:8px}
.topline{position:fixed;top:0;left:0;right:0;height:20px;background:#546f75;color:#f5f7f7;z-index:1000;font-size:12px}
.topline-inner,.masthead-inner,.mini-nav-inner{max-width:960px;margin:0 auto;height:100%;padding:0 16px;display:flex;align-items:center;justify-content:space-between}
.top-search{border:0;background:transparent;color:#f5f7f7;padding:0;min-height:20px}
.masthead{position:fixed;top:20px;left:0;right:0;height:56px;background:#f5f7f7;border-bottom:1px solid #b98963;z-index:990}
.brand{display:flex;align-items:center;min-height:44px}
.brand-logo{height:24px;width:auto;max-width:150px;object-fit:contain}
.brand strong{font-size:16px;color:#1f2a2e}
.mast-actions{display:flex;align-items:center;gap:8px}
.mobile-read,.drawer-button{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:7px;font-size:14px}
.mobile-read{border:1px solid #546f75;background:#f5f7f7}
.drawer-button{border:0;background:linear-gradient(135deg,#546f75,#b98963);color:#fff}
.mini-nav{position:fixed;top:76px;left:0;right:0;height:46px;background:#f5f7f7;border-bottom:1px solid rgba(31,42,46,.12);z-index:980}
.mini-nav-inner{justify-content:flex-start;gap:26px}
.mini-nav a{width:110px;min-height:46px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;font-size:13px}
.mini-nav a span{width:72px;height:4px;border-radius:10px;background:#7f969b}
.mini-nav a[aria-current="page"] span{height:6px;background:#b98963}
.mini-nav a[aria-current="page"] b{font-weight:800}
.site-main{padding-top:122px;min-height:60vh}
.wrap{width:min(100% - 32px,960px);margin:0 auto}
.section{padding:52px 0}
.tint{background:#d9e0e2}
.hero{padding-top:58px}
.eyebrow{margin:0 0 8px;color:#5a747a;font-size:13px;font-weight:800;letter-spacing:.08em}
h1,h2,h3{margin:0;color:#1f2a2e}
h1{font-size:24px;line-height:1.35;margin-bottom:18px}
h2{font-size:20px;line-height:1.45;margin-bottom:12px}
h3{font-size:16px;line-height:1.5;margin-bottom:8px}
p{margin:0 0 14px}
.lead{max-width:800px;line-height:1.85;margin-bottom:24px}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;border-bottom:1px solid rgba(31,42,46,.12);padding-bottom:12px;margin-bottom:20px}
.section-title span{font-size:13px;color:#5a747a;font-weight:800;white-space:nowrap}
.section-title h2{margin:0;max-width:700px}
.hero-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:30px}
.hero-rail a{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:15px;box-shadow:0 12px 28px rgba(31,42,46,.07)}
.hero-rail span,.hero-rail b,.hero-rail small{display:block}
.hero-rail span{font-size:12px;color:#b98963}
.hero-rail b{margin-top:8px}
.hero-rail small{margin-top:4px;color:#66777c}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{height:42px;padding:0 18px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}
.btn.primary{background:linear-gradient(135deg,#546f75,#b98963);color:#fff}
.btn.secondary{background:#f5f7f7;border:1px solid #546f75;color:#1f2a2e}
.btn:hover,.btn:focus-visible,.text-link:hover,.text-link:focus-visible,.mobile-read:hover,.drawer-button:hover{outline:2px solid rgba(84,111,117,.4);outline-offset:2px}
.text-link{display:inline-flex;min-height:44px;align-items:center;color:#5a747a;font-weight:800}
.media-slot{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.offset-pair,.offset-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.feature-card{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:18px;box-shadow:0 12px 28px rgba(31,42,46,.07)}
.feature-card.high{min-height:350px}
.feature-card.low{margin-top:54px}
.feature-card.mid{margin-top:22px}
.feature-card.full{grid-column:1/-1;max-width:760px;justify-self:center;width:100%}
.scene-media{height:180px;margin-bottom:16px}
.strip-list{display:grid;gap:12px}
.strip-list article{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:center;background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:16px}
.strip-list article:not(:first-child){grid-template-columns:72px 1fr}
.strip-media{height:150px}
.num{width:48px;height:42px;background:#546f75;color:#fff;display:flex;align-items:center;justify-content:center;border-radius:6px;font-weight:800}
.fold-layout,.fold-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fold-layout article,.fold-stack article{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:20px}
.fold-stack article:first-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.1fr;gap:20px;align-items:center}
.fold-media{height:190px}
.wide-media{height:260px;margin-bottom:18px}
.two-cards,.center-grid,.info-grid,.help-grid,.contact-grid,.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.two-cards article,.center-grid article,.info-grid article,.help-grid article,.contact-grid article,.check-grid article{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:20px}
.center-grid article{text-align:center}
.center-grid a,.help-grid a,.topic-list a{display:inline-flex;min-height:44px;align-items:center;color:#5a747a;font-weight:800}
.phase-row,.phase-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.phase-row article,.phase-columns article{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-top:4px solid #b98963;border-radius:8px;padding:18px}
.phase-columns b{display:inline-block;margin-bottom:8px;color:#5a747a}
.status-list,.status-bars{display:grid;gap:10px}
.status-list>div,.status-bars article{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:14px}
.status-list strong,.status-bars strong{background:#546f75;color:#fff;border-radius:6px;padding:8px 10px;text-align:center}
.status-list p,.status-bars p{margin:0}
.app-block{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:center}
.app-block.inner{margin-top:22px}
.app-media{height:320px}
.icon-media{width:48px;height:48px;flex:0 0 48px}
.app-title{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.prose{max-width:800px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
details{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px}
summary{cursor:pointer;padding:14px 16px;font-weight:800;color:#1f2a2e}
details p{padding:0 16px 16px;margin:0;color:#607177}
.brand-end{border-top:1px solid rgba(185,137,99,.5)}
.steps,.method-list,.topic-list{display:grid;gap:12px;margin-top:22px}
.steps article,.method-list article,.topic-list article{display:grid;grid-template-columns:56px 1fr;gap:16px;background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:18px}
.steps span,.method-list b,.topic-list span{width:44px;height:44px;border-radius:6px;background:#546f75;color:#fff;display:flex;align-items:center;justify-content:center}
.guide-list,.legal-blocks,.about-list{display:grid;gap:14px;margin-top:22px}
.guide-list article,.legal-blocks section,.about-list article{background:#f5f7f7;border:1px solid rgba(31,42,46,.12);border-radius:8px;padding:20px}
.faq-long{display:grid;gap:12px;margin-top:22px}
.about-banner{height:200px;margin-bottom:22px}
.brand-image{margin-top:18px}
.overlay{position:fixed;inset:0;background:rgba(31,42,46,.38);z-index:1040;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}
.overlay.active{opacity:1;visibility:visible;pointer-events:auto}
.drawer{position:fixed;right:24px;bottom:24px;width:300px;max-height:390px;background:#f5f7f7;border:1px solid rgba(185,137,99,.6);border-radius:10px;box-shadow:0 18px 40px rgba(31,42,46,.18);z-index:1060;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(28px);transition:.18s;overflow:hidden}
.drawer.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid rgba(31,42,46,.12)}
.close-btn{min-width:44px;min-height:44px;border:1px solid rgba(31,42,46,.14);background:#f5f7f7;color:#1f2a2e;border-radius:7px}
.drawer-body{max-height:332px;overflow:auto;padding:10px 14px 18px}
.drawer-body section h2{font-size:13px;color:#5a747a;margin:12px 0 6px}
.drawer-body a{display:block;padding:9px 0;border-bottom:1px solid rgba(31,42,46,.08)}
.drawer-body a span{display:block;font-weight:800}
.drawer-body a small{display:block;font-size:12px;color:#718287;line-height:1.5;margin-top:2px}
.search-panel{position:fixed;left:50%;top:82px;transform:translate(-50%,-10px);width:min(92%,720px);background:#f5f7f7;border:1px solid rgba(84,111,117,.5);border-radius:10px;box-shadow:0 18px 40px rgba(31,42,46,.16);z-index:1050;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}
.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.search-card{padding:18px}
.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:14px}
.search-head p{font-size:13px;color:#607177;margin:4px 0 0}
.search-card label{display:block;font-size:13px;color:#607177;margin-bottom:6px}
.search-card input{width:100%;height:44px;border:1px solid rgba(31,42,46,.18);border-radius:7px;background:#f5f7f7;padding:0 12px}
.preset-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.preset-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid #546f75;border-radius:7px}
.footer{background:#1f2a2e;color:#e8ecee;border-top:1px solid #b98963;padding:34px 0 28px;font-size:13px}
.footer-inner{width:min(100% - 32px,960px);margin:0 auto}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-grid h2{font-size:13px;color:#e8ecee;margin-bottom:8px}
.footer-grid a{display:block;color:#cbd4d7;min-height:30px}
.footer-note{max-width:780px;color:#cbd4d7;margin-top:22px}
.copyright{margin:10px 0 0}
.mobile-bottom{display:none}

@media (max-width:760px){
  .mini-nav{display:none}
  .site-main{padding-top:76px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}
  .section{padding:38px 0}
  .hero-rail,.offset-pair,.offset-grid,.fold-layout,.fold-stack,.two-cards,.center-grid,.info-grid,.help-grid,.contact-grid,.check-grid,.phase-row,.phase-columns,.faq-grid{grid-template-columns:1fr}
  .feature-card.low,.feature-card.mid{margin-top:0}
  .feature-card.full{grid-column:auto;max-width:none}
  .strip-list article,.strip-list article:not(:first-child),.fold-stack article:first-child,.status-list>div,.status-bars article,.app-block{grid-template-columns:1fr}
  .fold-stack article:first-child{grid-column:auto}
  .wide-media{height:220px}
  .app-media{height:300px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .drawer{right:6%;bottom:calc(64px + env(safe-area-inset-bottom));width:88%}
  .search-panel{inset:0;width:100%;height:100%;transform:none;border:0;border-radius:0;background:#546f75;color:#fff}
  .search-panel.open{transform:none}
  .search-card{padding:28px 16px}
  .search-head p,.search-card label{color:#e8ecee}
  .search-card input{background:#f5f7f7;color:#1f2a2e}
  .preset-links a{border-color:#fff;color:#fff}
  .search-panel .close-btn{background:#546f75;color:#fff;border-color:rgba(255,255,255,.3)}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;background:#f5f7f7;border-top:1px solid rgba(185,137,99,.6);z-index:970;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px}
  .mobile-bottom a[aria-current="page"]{background:#546f75;color:#fff;font-weight:800}
  .mast-actions{gap:4px}
  .mobile-read,.drawer-button{padding:0 10px}
}
@media (max-width:420px){
  h1{font-size:22px}
  h2{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
  .about-banner{height:180px}
}