/* Kangbao corporate presentation; commerce continues to use the established theme. */
.kb-site{--kb-ink:#102e56;--kb-blue:#075bd8;--kb-soft:#f2f6fc;--kb-line:#dae4f1;--kb-red:#be2431}
.kb-wrap{width:min(1280px,calc(100% - 80px));margin-inline:auto}
.kb-site .masthead__inner{min-height:94px;gap:26px}
.kb-site .topbar{background:#102e56;color:#fff;font-size:12px}
.kb-site .topbar__inner{min-height:35px}
.kb-brand{display:flex;flex-direction:column;gap:3px;border-left:5px solid var(--kb-red);padding-left:12px;line-height:1.15;min-width:205px}
.kb-brand__name{font-size:31px;font-weight:800;letter-spacing:.06em;color:var(--kb-ink)}
.kb-brand__sub{font-size:10px;font-weight:600;letter-spacing:.08em;color:#59708e}
.kb-site .nav .menu a{font-size:16px;padding:14px 9px;font-weight:600}
.kb-site .nav .menu{gap:0}
.kb-site .nav .sub-menu a{font-size:15px;padding:12px}
.kb-kicker{color:var(--kb-blue);font-size:12px;font-weight:750;letter-spacing:.15em;line-height:1.6;margin:0 0 18px}
.kb-home h1,.kb-home h2,.kb-home h3,.kb-information h1,.kb-information h2,.kb-information h3{font-family:inherit;color:var(--kb-ink);font-weight:700;letter-spacing:-.035em}
.kb-hero{padding:46px 0 0;background:linear-gradient(180deg,#f6f9fe,#fff)}
.kb-hero__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.kb-hero__copy{padding:32px 0 58px;min-width:0}
.kb-home h1{font-size:clamp(38px,4.3vw,62px);line-height:1.1;margin:0 0 25px}
.kb-home h1 em{font-style:normal;color:var(--kb-blue);font-weight:450}
.kb-lead{font-size:19px;line-height:1.8;color:#506582;max-width:630px;margin:0 0 28px}
.kb-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:32px}
.kb-home .btn,.kb-information .btn{font-size:15px;min-height:50px;padding:14px 22px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;gap:25px;line-height:1.4}
.kb-text-link{display:inline-flex;align-items:center;gap:16px;color:var(--kb-blue);font-size:15px;font-weight:650;text-decoration:none;line-height:1.5}
.kb-text-link:hover{text-decoration:underline;text-underline-offset:5px}
.kb-hero__foot{display:flex;gap:9px;align-items:flex-start;margin-top:35px;font-size:12px;color:#62758d;line-height:1.65}
.kb-dot{width:7px;height:7px;border-radius:50%;background:#0e78a4;flex-shrink:0;margin-top:6px}
.kb-hero__visual{position:relative;margin:0;min-width:0;align-self:stretch;min-height:520px;border-radius:5px;overflow:hidden;background:#d6e5f4}
.kb-hero__visual>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:54% center}
.kb-hero__visual::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#062347c9);pointer-events:none}
.kb-hero__visual figcaption{position:absolute;z-index:2;bottom:14px;left:22px;right:22px;font-size:10px;line-height:1.5;color:#e0ebf7;max-width:450px}
.kb-photo-tag{position:absolute;bottom:70px;left:26px;z-index:2;color:white}
.kb-photo-tag span{font-size:16px;letter-spacing:.25em;display:block;margin-bottom:9px}
.kb-photo-tag strong{font-size:24px;font-weight:550;letter-spacing:-.025em}
.kb-facts{margin-top:35px;border-top:1px solid var(--kb-line);border-bottom:1px solid var(--kb-line)}
.kb-facts__grid{display:grid;grid-template-columns:repeat(3,1fr)}
.kb-facts a{padding:28px 30px;text-decoration:none;border-right:1px solid var(--kb-line);color:var(--kb-ink)}
.kb-facts a:first-child{padding-left:0}.kb-facts a:last-child{border:0}
.kb-facts span{display:block;font-size:10px;font-weight:750;letter-spacing:.12em;color:#637c9a;margin-bottom:8px}
.kb-facts strong{display:block;font-size:21px;font-weight:650;letter-spacing:-.02em;line-height:1.4}
.kb-facts small{display:block;font-size:13px;line-height:1.6;color:#63748d;margin-top:4px}
.kb-section{padding:86px 0}.kb-tint{background:var(--kb-soft)}
.kb-home h2{font-size:43px;line-height:1.18;margin:0 0 22px}.kb-home p{line-height:1.8}
.kb-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}
.kb-intro__lead{font-size:22px;color:var(--kb-ink);line-height:1.7!important;margin-top:0}
.kb-intro>div:last-child>p:not(.kb-intro__lead){font-size:16px;color:#526782}
.kb-fine{font-size:13px!important;line-height:1.8;color:#637792!important}
.kb-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:34px}
.kb-heading h2{margin-bottom:13px}.kb-heading p:not(.kb-kicker){font-size:16px;color:#526782;max-width:650px;margin:0}
.kb-heading>.kb-text-link{white-space:nowrap;margin-bottom:15px}
.kb-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.kb-card{display:flex;flex-direction:column;background:white;border:1px solid var(--kb-line);border-radius:5px;padding:30px;text-decoration:none;transition:transform .18s,box-shadow .18s;color:#536a86;min-width:0}
.kb-card:hover{transform:translateY(-4px);box-shadow:0 15px 35px #1739630e}
.kb-card__number{font-size:10px;letter-spacing:.11em;font-weight:700;color:#6c829d;margin-bottom:25px;line-height:1.6}
.kb-card__icon{color:var(--kb-blue);display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;border:1px solid #d8e5f5;border-radius:50%;margin-bottom:28px}
.kb-card__icon svg{width:25px;height:25px}
.kb-card h3{font-size:24px;line-height:1.3;margin:0 0 15px}.kb-card p{font-size:16px;margin:0 0 28px;flex:1}
.kb-card__link{display:flex;justify-content:space-between;gap:12px;font-size:13px;font-weight:650;color:var(--kb-blue);padding-top:20px;border-top:1px solid var(--kb-line)}
.kb-card--blue{background:#075bd8;border-color:#075bd8;color:#dceaff}
.kb-card--blue h3,.kb-card--blue .kb-card__link,.kb-card--blue .kb-card__icon{color:white}.kb-card--blue .kb-card__number{color:#c2dafa}.kb-card--blue .kb-card__link{border-color:#ffffff40}
.kb-evidence-band{background:#102e56;padding:48px;border-radius:6px;display:grid;grid-template-columns:1fr 1.1fr;gap:60px}
.kb-evidence-band h2{color:#fff}.kb-evidence-band>div>p:not(.kb-kicker){color:#c5d5e8;font-size:16px;max-width:480px}.kb-evidence-band .kb-kicker{color:#9cc3fb}
.kb-record-stack{display:flex;flex-direction:column;justify-content:center;gap:15px}
.kb-record-stack>a{display:flex;align-items:center;gap:18px;padding:20px;border:1px solid #8ba7c43b;border-radius:4px;text-decoration:none;color:#fff;background:#ffffff05}
.kb-record-stack>a:hover{background:#ffffff10}.kb-record-stack>a>span:last-child{margin-left:auto;font-size:21px}
.kb-record-stack small{font-size:9px;letter-spacing:.09em;font-weight:700;color:#a5c3e6}.kb-record-stack h3{font-size:19px;color:white;line-height:1.4;margin:5px 0}.kb-record-stack p{margin:0;font-size:12px;color:#c0d1e7}
.kb-record-icon{flex-shrink:0;color:#a9ceff}.kb-record-icon svg{width:24px;height:24px}
.kb-catalog-note{padding:14px 18px;margin-bottom:26px!important;font-size:12px;color:#5a708e;background:#f5f8fc;border-left:3px solid #b5cae7;border-radius:2px}
.kb-home .posts{gap:25px}.kb-home .post-card{background:white}
.kb-faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px}.kb-faq-grid>div>p:not(.kb-kicker){color:#526782;font-size:16px;max-width:330px}
.kb-faq-grid .science-question summary{font-size:18px;line-height:1.5;padding:22px 30px 22px 0}.kb-faq-grid .science-question p{font-size:15px;line-height:1.8}
.kb-cta{padding:65px 0;background:#075bd8;color:#dfecff}.kb-cta>.kb-wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.kb-cta .kb-kicker{color:#bfd9ff}.kb-cta h2{color:white;margin:0}.kb-cta p:not(.kb-kicker){font-size:16px;line-height:1.9;max-width:460px;margin:0 0 23px}
.kb-site .footer{background:#0a2344}.kb-site .footer__ruo h2{font-size:16px}.kb-site .footer__ruo p{font-size:12px}.kb-site .footer__brand{font-family:inherit;font-size:29px;letter-spacing:.05em;font-weight:750}
.kb-footer-context{font-size:12px!important;line-height:1.8;color:#b2c5df;max-width:380px}.kb-footer-links{list-style:none;margin:18px 0 0;padding:14px 0 0;border-top:1px solid #ffffff26}.kb-footer-links li{margin:7px 0}
.kb-page-hero{background:linear-gradient(120deg,#edf4fd,#f9fbff);padding:32px 0 55px;border-bottom:1px solid var(--kb-line)}
.kb-page-hero .crumbs{margin-bottom:35px}.kb-page-hero h1{font-size:49px;line-height:1.2;margin:0 0 20px}.kb-page-hero .kb-lead{max-width:850px;font-size:19px;margin-bottom:0}
.kb-page-body{padding-top:55px;padding-bottom:70px;font-size:18px;line-height:1.9;max-width:1160px}.kb-page-body h2{font-size:31px;margin-top:45px}.kb-page-body h3{font-size:23px}.kb-page-body table{font-size:15px;line-height:1.8;width:100%}.kb-page-body td,.kb-page-body th{vertical-align:top}.kb-page-body .kb-card-grid{margin:28px 0}.kb-page-body .kb-card{color:#536a86}.kb-page-body .kb-card h3{margin-top:0}.kb-page-body .kb-card p{font-size:16px}.kb-page-body .kb-note{padding:22px 26px;background:#f1f6fd;border-left:3px solid #7da8e0;border-radius:3px;font-size:16px;margin:28px 0}.kb-page-body .kb-note p:last-child{margin-bottom:0}
@media(max-width:1200px){
 .kb-site .nav-toggle{display:inline-grid}.kb-site .nav{position:absolute;top:100%;left:0;right:0;height:calc(100dvh - 90px);z-index:49;border-top:1px solid var(--kb-line);display:none;background:#fff;padding:18px 30px;overflow-y:auto}.kb-site .nav.is-open{display:block}.kb-site .nav .menu{flex-direction:column;gap:0}.kb-site .nav .menu>li{position:relative}.kb-site .nav .menu a{padding:16px 8px;font-size:17px;border-bottom:1px solid #e7edf5}.kb-site .nav .menu-item-has-children>a{padding-right:54px}.kb-site .nav .menu-item-has-children>a::after{display:none}.kb-site .subtoggle{display:block;position:absolute;right:0;top:2px;width:46px;height:50px;border:0;background:transparent;color:#17467f}.kb-site .subtoggle::before{content:"+";font-size:23px}.kb-site .is-open>.subtoggle::before{content:"−"}.kb-site .nav .sub-menu{display:none;position:static;visibility:visible;opacity:1;transform:none;padding:0 0 0 20px;margin:0;border:0;box-shadow:none;background:#f7faff}.kb-site .nav .is-open>.sub-menu{display:block}.kb-site .nav .sub-menu a{font-size:15px}
 .kb-hero__grid{gap:28px}.kb-home h1{font-size:46px}.kb-hero__visual{min-height:500px}.kb-home h2{font-size:37px}.kb-card{padding:24px}.kb-intro,.kb-faq-grid{gap:48px}
}
@media(max-width:800px){
 .kb-wrap{width:calc(100% - 40px)}.kb-site .masthead__inner{min-height:78px;gap:12px}.kb-brand{min-width:0}.kb-brand__name{font-size:26px}.kb-brand__sub{font-size:9px;letter-spacing:.03em}.kb-hero{padding-top:20px}.kb-hero__grid{grid-template-columns:1fr;gap:0}.kb-hero__copy{padding:25px 0 35px}.kb-home h1{font-size:43px;max-width:650px}.kb-lead{font-size:17px}.kb-hero__visual{min-height:350px}.kb-hero__visual>img{object-position:center}.kb-facts{margin-top:25px}.kb-facts a{padding:22px 14px}.kb-facts strong{font-size:17px}.kb-facts small{font-size:11px}.kb-facts span{font-size:8px}.kb-section{padding:55px 0}.kb-intro,.kb-faq-grid,.kb-cta>.kb-wrap{grid-template-columns:1fr;gap:26px}.kb-intro__lead{font-size:20px}.kb-heading{align-items:flex-start;flex-direction:column;gap:10px}.kb-heading>.kb-text-link{margin-bottom:0}.kb-home h2{font-size:35px}.kb-card-grid{grid-template-columns:1fr;gap:16px}.kb-card__number{margin-bottom:16px}.kb-card__icon{margin-bottom:18px}.kb-evidence-band{grid-template-columns:1fr;gap:30px;padding:30px 24px}.kb-record-stack>a{padding:18px 15px}.kb-cta{padding:45px 0}.kb-page-hero h1{font-size:37px}.kb-page-body{font-size:17px}.kb-page-body h2{font-size:28px}.kb-page-body table{font-size:13px}
}
@media(max-width:480px){
 .kb-wrap{width:calc(100% - 36px)}.kb-site .brand{gap:0}.kb-brand{padding-left:9px;border-left-width:4px}.kb-brand__name{font-size:23px}.kb-brand__sub{font-size:8px;letter-spacing:0}.kb-site .masthead__tools{gap:0}.kb-site .masthead__tools .iconbtn{width:34px;height:40px;padding:7px}.kb-site .masthead__inner{padding-inline:16px;gap:8px}.kb-home h1{font-size:34px;letter-spacing:-.04em}.kb-kicker{font-size:10px;letter-spacing:.11em}.kb-home h2{font-size:32px}.kb-lead{font-size:16px}.kb-hero__visual{min-height:300px}.kb-photo-tag strong{font-size:21px}.kb-hero__visual figcaption{font-size:9px;left:18px;right:18px}.kb-photo-tag{left:18px;bottom:65px}.kb-facts__grid{grid-template-columns:1fr}.kb-facts a,.kb-facts a:first-child{padding:18px 0;border-right:0;border-bottom:1px solid var(--kb-line);display:grid;grid-template-columns:1fr 1.3fr;gap:4px 12px}.kb-facts span{font-size:9px;grid-row:1/3;margin:5px 0}.kb-facts strong{font-size:18px}.kb-facts small{margin:0;font-size:12px}.kb-intro__lead{font-size:19px}.kb-card h3{font-size:25px}.kb-faq-grid .science-question summary{font-size:16px}.kb-record-stack h3{font-size:17px}.kb-record-stack small{font-size:8px}.kb-record-icon{display:none}.kb-site .footer__base{font-size:11px}.kb-page-hero h1{font-size:32px}.kb-page-hero .kb-lead{font-size:16px}.kb-page-body{padding-top:32px;font-size:16px}.kb-page-body h2{font-size:25px}.kb-page-body .kb-note{padding:18px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){.kb-card{transition:none}.kb-card:hover{transform:none}}

.kb-site .footer__grid .menu a,.kb-site .kb-footer-links a{font-size:14px;line-height:1.7}
.kb-site .topbar__msg a{color:#dceaff}