:root{color-scheme:light;--ink:#16313c;--muted:#60747d;--line:#dce9e8;--surface:#fff;--ocean:#087f8c;--ocean-dark:#075967;--mint:#dff3ee;--sand:#f8f3e9;--page-background:#f5f8f6;--page-glow:#dff4ef;--hero-start:#eaf7f2;--hero-middle:#f3f8f1;--hero-end:#e1f1ec;--hero-border:#cfe4df;--radius:18px}
*{box-sizing:border-box}
html{width:100%;max-width:100%;scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:radial-gradient(ellipse at 90% 0%,var(--page-glow) 0,transparent 33rem),var(--page-background);color:var(--ink);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
.catalog-shell{width:calc(100% - 40px);max-width:1100px;min-width:0;margin:0 auto}
.catalog-top{min-height:84px;display:flex;align-items:center;gap:32px;border-bottom:1px solid #dbe7e5}
.catalog-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;min-width:max-content}
.catalog-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--ocean);color:#fff;font-size:19px;font-weight:800;box-shadow:0 7px 18px #087f8c2b}
.catalog-brand-copy{display:grid;line-height:1.3}.catalog-brand-copy b{font-size:16px}.catalog-brand-copy small{margin-top:4px;color:var(--muted);font-size:12px}
.catalog-nav{margin-left:auto;display:flex;align-items:center;justify-content:flex-end;gap:22px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.catalog-nav a,.catalog-footer nav a{color:#385660;text-decoration:none;font-size:13px;transition:color .16s ease}.catalog-nav a:hover,.catalog-footer nav a:hover{color:var(--ocean)}
.catalog-breadcrumb{display:flex;align-items:center;gap:10px;padding:19px 2px;color:#71838a;font-size:13px}.catalog-breadcrumb a{color:var(--ocean-dark);text-decoration:none}
.catalog-hero{position:relative;isolation:isolate;min-height:400px;margin:0 0 14px;padding:48px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:34px;overflow:hidden;border:1px solid var(--hero-border);border-radius:28px;background:linear-gradient(115deg,var(--hero-start) 0%,var(--hero-middle) 50%,var(--hero-end) 100%);box-shadow:0 24px 60px #16444a0c}
.catalog-hero:before{content:"";position:absolute;z-index:-1;width:390px;height:390px;right:-145px;top:-225px;border:1px solid #85c8ba66;border-radius:50%;box-shadow:0 0 0 30px #ffffff30,0 0 0 72px #ffffff22}
.catalog-hero-copy{max-width:550px}.catalog-kicker,.catalog-section-kicker{display:inline-block;color:var(--ocean-dark);font-size:12px;font-weight:750;letter-spacing:.08em}
.catalog-hero h1{max-width:650px;margin:12px 0 14px;font-size:clamp(34px,4.4vw,52px);line-height:1.16;letter-spacing:-.035em}
.catalog-lead{max-width:560px;margin:0;color:#4f6971;font-size:17px}
.catalog-actions,.catalog-contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.catalog-button{min-height:48px;padding:11px 22px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;font-size:14px;font-weight:750;text-decoration:none;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.catalog-button:hover{transform:translateY(-1px);box-shadow:0 8px 18px #16444a1b}.catalog-button-primary{background:var(--ocean);color:#fff}.catalog-button-primary:hover{background:var(--ocean-dark)}.catalog-button-secondary{border-color:#adc9c1;background:#ffffffa8;color:var(--ocean-dark)}
.catalog-hero-art{position:relative;min-width:0;min-height:286px;margin:0;display:grid;place-items:center}
.catalog-hero-art img{width:100%;height:300px;object-fit:cover;border-radius:20px;box-shadow:0 18px 42px #154c4630}
.catalog-hero-fallback{overflow:hidden;border-radius:24px;background:linear-gradient(145deg,#0d7581,#15505c 62%,#173b49);box-shadow:0 18px 42px #154c4630}
.fallback-orbit{position:absolute;display:block;aspect-ratio:1;border:1px solid #b4e9df44;border-radius:50%}.fallback-orbit-one{width:390px;right:-105px;top:-120px}.fallback-orbit-two{width:280px;left:-115px;bottom:-145px}
.fallback-card{position:relative;width:min(80%,300px);min-height:180px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid #ffffff70;border-radius:20px;background:#ffffffed;box-shadow:0 18px 50px #001e2533;transform:rotate(-3deg)}
.fallback-card small{color:var(--ocean);font-size:12px;text-transform:uppercase;letter-spacing:.11em}.fallback-card strong{font-size:28px;line-height:1.2}.fallback-card span{color:var(--muted);font-size:13px}
.catalog-sections{padding:4px 0 28px}.catalog-section{position:relative;scroll-margin-top:24px;padding:58px 0;border-bottom:1px solid var(--line)}
.catalog-section-heading{max-width:720px;margin:0 0 24px}.catalog-section-heading h2{margin:8px 0 0;color:var(--ink);font-size:clamp(24px,3vw,34px);line-height:1.25;letter-spacing:-.02em}
.catalog-rich-content{max-width:820px;min-width:0;color:#4d626b;overflow-wrap:anywhere}.catalog-rich-content p:first-child{margin-top:0}.catalog-rich-content p:last-child{margin-bottom:0}.catalog-rich-content h3{margin:20px 0 8px;color:var(--ink);font-size:19px}.catalog-rich-content ul,.catalog-rich-content ol{padding-left:1.35em}.catalog-rich-content li+li{margin-top:7px}.catalog-rich-content p,.catalog-rich-content li{overflow-wrap:anywhere}
.catalog-point-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:22px}
.catalog-point-card{min-height:172px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 8px 24px #18434808}
.catalog-point-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--mint);color:var(--ocean-dark);font-size:17px;font-weight:800}.catalog-point-card h3{margin:16px 0 6px;font-size:17px}.catalog-point-card p{margin:0;color:var(--muted);font-size:14px}
.catalog-faq-list{display:grid;gap:10px}.catalog-faq-list details{padding:17px 20px;border:1px solid var(--line);border-radius:15px;background:#fff}.catalog-faq-list summary{cursor:pointer;color:var(--ink);font-weight:700}.catalog-faq-list details>div{padding-top:12px;color:var(--muted)}
.catalog-contact-actions{margin-top:20px}.catalog-footer{min-height:92px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:18px 2px;color:var(--muted);font-size:12px}.catalog-footer-brand{color:var(--ink);font-weight:750;text-decoration:none}.catalog-footer nav{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
.catalog-section:last-child{border-bottom:0}
@media(max-width:860px){
  .catalog-shell{width:calc(100% - 28px);max-width:700px}.catalog-top{min-height:72px;gap:18px;align-items:flex-start;flex-direction:column;padding:15px 0 11px}.catalog-nav{width:100%;margin:0;justify-content:flex-start;gap:20px;padding:2px 0 8px}.catalog-nav a{flex:none}.catalog-hero{min-height:0;padding:32px;grid-template-columns:1fr;gap:24px;border-radius:24px}.catalog-hero-copy{max-width:none}.catalog-hero-art{min-height:250px}.catalog-hero-art img{height:280px}.catalog-hero-fallback{min-height:250px}.catalog-section{padding:46px 0}
}
@media(max-width:520px){
  body{width:100%;max-width:100%;font-size:15px;overflow-x:hidden}.catalog-shell{width:100%;max-width:460px;padding:0 12px;overflow-x:clip}.catalog-top{gap:14px}.catalog-mark{width:38px;height:38px;border-radius:12px}.catalog-brand-copy b{font-size:15px}.catalog-breadcrumb{padding:15px 1px;font-size:12px}.catalog-hero{min-width:0;padding:25px 22px;gap:20px;border-radius:21px}.catalog-hero h1{font-size:34px}.catalog-lead{font-size:15px}.catalog-actions{display:grid;grid-template-columns:minmax(0,1fr);margin-top:21px}.catalog-button{width:100%;min-height:46px}.catalog-hero-art{min-height:210px}.catalog-hero-art img{height:230px;border-radius:17px}.catalog-hero-fallback{min-height:210px}.fallback-card{min-height:155px;padding:21px}.fallback-card strong{font-size:23px}.catalog-section{min-width:0;padding:40px 0}.catalog-section>*{min-width:0;max-width:100%}.catalog-point-grid{grid-template-columns:1fr}.catalog-point-card{min-height:0}.catalog-footer{gap:8px}.catalog-footer nav{width:100%;margin:5px 0 0;gap:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Site 2's commercial-content polish. Other Hosts keep the shared Catalog defaults. */
.site2-commercial .catalog-hero{min-height:390px;padding:44px;gap:30px}
.site2-commercial .catalog-actions{gap:14px}
.site2-commercial .catalog-hero-art{min-height:276px}
.site2-commercial .catalog-hero-art img{height:292px}
.site2-commercial .catalog-section{padding-top:54px;padding-bottom:54px}
.site2-commercial .catalog-section-heading{margin-bottom:20px}
.site2-commercial .catalog-rich-content{max-width:900px}
.site2-commercial .catalog-rich-content p{margin-top:0;margin-bottom:12px}
.site2-commercial .catalog-rich-content p:last-child{margin-bottom:0}
.site2-commercial .section-promise .catalog-rich-content>ul,
.site2-commercial .section-services .catalog-rich-content>ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0 0;padding:0;list-style:none}
.site2-commercial .section-promise .catalog-rich-content>ul>li,
.site2-commercial .section-services .catalog-rich-content>ul>li{min-width:0;min-height:142px;padding:21px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 8px 22px #18434808;overflow-wrap:anywhere}
.site2-commercial .section-promise .catalog-rich-content>ul>li::before{content:"•";width:30px;height:30px;margin-bottom:12px;display:grid;place-items:center;border-radius:10px;background:var(--mint);color:var(--ocean-dark);font-size:20px;font-weight:800}
.site2-commercial .section-promise .catalog-rich-content>ul>li{font-weight:650}
.site2-commercial .section-services .catalog-rich-content>p:first-child{max-width:780px;color:var(--ink);font-size:18px;font-weight:600}
.site2-commercial .section-services .catalog-rich-content>ul>li{position:relative;padding-top:25px}
.site2-commercial .section-services .catalog-rich-content>ul>li>strong{display:block;margin-bottom:8px;color:var(--ink);font-size:16px}
.site2-commercial .section-services .catalog-rich-content>ul>li>p{margin:0;color:var(--muted);font-size:14px;font-weight:400}
.site2-commercial .section-process .catalog-rich-content>ol{counter-reset:purchase-step;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none}
.site2-commercial .section-process .catalog-rich-content>ol>li{counter-increment:purchase-step;min-width:0;min-height:142px;padding:18px 16px;border:1px solid #cfe4df;border-radius:17px;background:linear-gradient(155deg,#fff,#eef8f5);overflow-wrap:anywhere}
.site2-commercial .section-process .catalog-rich-content>ol>li::before{content:"0" counter(purchase-step);display:block;margin-bottom:16px;color:var(--ocean);font-size:22px;font-weight:850;letter-spacing:.04em}
.site2-commercial .section-process .catalog-rich-content>ol>li>strong{display:block;color:var(--ink);font-size:15px}
.site2-commercial .section-process .catalog-rich-content>ol>li>p{margin:5px 0 0;color:var(--muted);font-size:13px}
.site2-commercial .section-features .catalog-point-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:0;align-items:stretch}
.site2-commercial .section-features .catalog-point-card{min-height:190px;padding:21px;border-radius:18px;display:flex;flex-direction:column}
.site2-commercial .section-features .catalog-point-icon{width:auto;min-width:42px;min-height:32px;padding:0 9px;align-self:flex-start;border-radius:10px;font-size:13px}
.site2-commercial .section-features .catalog-point-card h3{margin-top:15px}
.site2-commercial .section-stats{margin:28px 0;padding:34px 32px;border:1px solid #d2e7e1;border-radius:22px;background:linear-gradient(125deg,#eaf7f2,#f7faf7);}
.site2-commercial .section-stats .catalog-section-heading{margin-bottom:14px}
.site2-commercial .section-stats .catalog-rich-content{max-width:780px}
.site2-commercial .section-about .catalog-rich-content{max-width:760px;font-size:16px}
.site2-commercial .section-faq .catalog-section-heading{margin-bottom:18px}
.site2-commercial .section-faq .catalog-faq-list details{padding:0;overflow:hidden;transition:background .16s ease,border-color .16s ease}
.site2-commercial .section-faq .catalog-faq-list details[open]{border-color:#b8d8cf;background:#fbfefd}
.site2-commercial .section-faq .catalog-faq-list summary{min-height:56px;padding:16px 20px;display:flex;align-items:center;line-height:1.45;list-style-position:inside}
.site2-commercial .section-faq .catalog-faq-list details>div{padding:0 20px 17px}
.site2-commercial .section-faq .catalog-faq-list details>div p{margin:0}
.site2-commercial .section-contact{margin:38px 0 18px;padding:38px 34px;border:1px solid #cfe4df;border-radius:22px;background:linear-gradient(115deg,#e9f6f1,#f5f8f4)}
.site2-commercial .section-contact .catalog-section-heading{margin-bottom:12px}
.site2-commercial .section-contact .catalog-contact-actions{gap:14px;margin-top:22px}
.site2-commercial .catalog-footer{min-height:104px;margin-top:20px;border-top:1px solid var(--line);padding-top:24px;padding-bottom:22px}
.site2-commercial .catalog-footer nav{gap:18px}
@media(max-width:1000px){
  .site2-commercial .section-features .catalog-point-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site2-commercial .section-process .catalog-rich-content>ol{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:860px){
  .site2-commercial .catalog-hero{min-height:0;padding:32px;gap:24px}
  .site2-commercial .catalog-hero-art{min-height:250px}
  .site2-commercial .catalog-hero-art img{height:280px}
  .site2-commercial .catalog-section{padding-top:44px;padding-bottom:44px}
  .site2-commercial .section-process .catalog-rich-content>ol{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:520px){
  .site2-commercial .catalog-hero{padding:25px 22px;gap:20px}
  .site2-commercial .catalog-hero-art{min-height:210px}
  .site2-commercial .catalog-hero-art img{height:230px}
  .site2-commercial .catalog-actions{gap:10px;margin-top:20px}
  .site2-commercial .catalog-section{padding:38px 0}
  .site2-commercial .section-promise .catalog-rich-content>ul,
  .site2-commercial .section-services .catalog-rich-content>ul{grid-template-columns:1fr;gap:10px;margin-top:16px}
  .site2-commercial .section-promise .catalog-rich-content>ul>li,
  .site2-commercial .section-services .catalog-rich-content>ul>li{min-height:0;padding:17px}
  .site2-commercial .section-process .catalog-rich-content>ol{grid-template-columns:1fr;gap:9px}
  .site2-commercial .section-process .catalog-rich-content>ol>li{min-height:0;padding:15px;display:grid;grid-template-columns:46px minmax(0,1fr);column-gap:10px;align-items:center}
  .site2-commercial .section-process .catalog-rich-content>ol>li::before{grid-row:span 2;margin:0;font-size:18px}
  .site2-commercial .section-process .catalog-rich-content>ol>li>p{grid-column:2;margin-top:3px}
  .site2-commercial .section-features .catalog-point-grid{grid-template-columns:1fr;gap:10px}
  .site2-commercial .section-features .catalog-point-card{min-height:0;padding:17px}
  .site2-commercial .section-stats{margin:18px 0;padding:24px 18px;border-radius:18px}
  .site2-commercial .section-about .catalog-rich-content{font-size:15px}
  .site2-commercial .section-faq .catalog-faq-list{gap:9px}
  .site2-commercial .section-faq .catalog-faq-list summary{min-height:54px;padding:15px 16px;cursor:pointer}
  .site2-commercial .section-faq .catalog-faq-list details>div{padding:0 16px 16px}
  .site2-commercial .section-contact{margin:26px 0 12px;padding:25px 20px;border-radius:19px}
  .site2-commercial .section-contact .catalog-contact-actions{display:grid;grid-template-columns:1fr;gap:9px}
  .site2-commercial .catalog-footer{margin-top:12px;padding-top:20px}
}