/* Fifth edition: first client feedback. */
.about-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.35fr);gap:90px;align-items:start}
.about-principles .eyebrow{margin-bottom:26px}
.principle + .principle{margin-top:29px}
.principle h2{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:1px;margin:0 0 9px}
.principle p{font-size:24px;line-height:1.65;color:var(--ink);font-weight:500;margin:0;text-wrap:pretty}
.principle + .principle p{font-size:22px}
.about-description{padding:8px 0 8px 35px;border-left:1px solid var(--line)}
.about-description p{font-size:18px;line-height:2.15;margin:0;color:#405773;text-align:justify}
.home-opening .hero-copy p{max-width:560px}
.business-visual figcaption{max-width:320px}
.service-card{grid-template-columns:55px minmax(0,1.2fr) minmax(0,1.3fr) auto;gap:26px}
.service-card h3{font-size:21px;text-wrap:pretty}
.founder{grid-template-columns:310px minmax(0,1fr);gap:70px;align-items:end}
.founder-bio{display:flex;flex-direction:column;min-height:400px}
.founder-photo{width:310px;height:400px;object-fit:cover;object-position:center 25%}
.founder .eyebrow{margin-bottom:8px}
.founder h2{margin-bottom:20px}
.founder-contact{display:flex;gap:25px;align-items:center;border-top:1px solid #d7e2ed;margin-top:auto;padding-top:20px}
.founder-bio>p:last-of-type{margin-bottom:26px}
.founder-contact .qr-link{position:relative}
.founder-contact .qr-hint{position:absolute;top:100%;left:0;width:100%}
.founder-contact-copy{min-width:0}
.founder-contact-copy p{font-size:14px;margin:0}
.qr-link{display:block;flex:0 0 150px;width:150px;text-align:center;line-height:1.5;color:var(--muted);text-decoration:none}
.qr-crop{position:relative;display:block;width:100%;aspect-ratio:1;overflow:hidden;background:#fff}
/* Viewport onto the unchanged 1221 x 1658 client card: x=817,y=1230,w=h=326. */
.qr-crop img{position:absolute;display:block;width:374.539877%;max-width:none;height:auto;left:-250.613497%;top:-377.300613%}
.qr-hint{display:block;font-size:12px;margin-top:8px}
.qr-link:hover .qr-hint{color:var(--teal)}
.contact-wechat{display:flex;gap:24px;align-items:center;padding-top:25px;margin-top:25px;border-top:1px solid var(--line)}
.contact-wechat p{font-size:14px;margin:0}
#aixiao{background:var(--soft);color:var(--ink)}
#ruixiao{background:#fff;color:var(--ink)}
#ruixiao{padding-top:0}
#ruixiao>.wrap{padding-top:65px}
.ruixiao .eyebrow,.ruixiao .big-number{color:var(--teal)}
.ruixiao p{color:var(--muted)}
.ruixiao .feature{border-color:#bed1e7}
.aixiao-features{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:32px}
.product-showcase{margin:34px 0 28px}
.product-preview{position:relative;display:block;overflow:hidden;background:#fff;border:1px solid #dce5ef;cursor:zoom-in;padding:12px}
.product-preview img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}
.zoom-hint{display:block;text-align:right;font-size:12px;color:#176bc0;padding:9px 5px 0}
.product-preview:hover{border-color:#86acd3}
.product-showcase figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
a:focus-visible,button:focus-visible{outline:3px solid #e7a12c;outline-offset:5px}
.image-viewer{border:0;border-radius:4px;padding:22px;background:#fff;color:var(--ink);width:min(1200px,94vw);max-width:94vw;max-height:92dvh;overflow:auto;box-shadow:0 20px 90px #0005}
.image-viewer::backdrop{background:#031528d9}
.image-viewer-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:17px}
.image-viewer-title{font-size:17px;font-weight:500;margin:0}
.image-viewer-close{font:inherit;font-size:14px;border:1px solid #cad7e4;background:white;color:var(--ink);padding:7px 16px;cursor:pointer;flex-shrink:0}
.image-viewer-media{display:flex;justify-content:center;align-items:center}
.image-viewer-image{display:block;max-width:100%;width:auto;max-height:70dvh;object-fit:contain}
.image-viewer .qr-crop{width:min(326px,100%);flex-shrink:0}
.image-viewer.is-qr{width:min(470px,94vw)}
.image-viewer-original{display:inline-block;margin-top:16px;font-size:14px;color:var(--teal);text-decoration:underline}
body.viewer-open{overflow:hidden}
@media(min-width:761px) and (max-width:1050px){
  .about-layout{gap:40px;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)}
  .principle p{font-size:21px}.principle + .principle p{font-size:20px}
  .about-description{padding-left:25px}.about-description p{font-size:17px}
  .service-card{grid-template-columns:45px minmax(0,1fr) minmax(0,1.25fr);gap:22px}
  .service-card .text-link{grid-column:3}
  .founder{grid-template-columns:250px minmax(0,1fr);gap:40px}.founder-photo{width:250px;height:335px}
  .founder-bio{min-height:335px}
  .founder-contact{gap:16px}.qr-link{flex-basis:132px;width:132px}
  .contact-wechat{gap:16px}
}
@media(max-width:760px){
  .about-layout{grid-template-columns:1fr;gap:30px}
  .about-principles .eyebrow{margin-bottom:22px}
  .section .principle h2{font-size:13px;margin-bottom:7px}
  .principle p{font-size:22px}.principle + .principle p{font-size:20px}
  .principle + .principle{margin-top:24px}
  .about-description{padding:26px 0 0;border-left:0;border-top:1px solid var(--line)}
  .about-description p{font-size:16px;line-height:2}
  .service-card{grid-template-columns:38px minmax(0,1fr);gap:10px 15px}
  .service-card h3{font-size:21px}.service-card .text-link{grid-column:2}
  .founder{grid-template-columns:1fr;gap:28px}
  .founder-photo{width:100%;max-width:340px;height:auto;aspect-ratio:4/5}
  .founder-bio{min-height:0}
  .founder-contact{gap:18px;align-items:center;margin-top:0}.qr-link{flex-basis:138px;width:138px}
  .founder-contact .qr-hint{position:static}
  .founder-contact-copy p{font-size:13px}
  .aixiao-features{grid-template-columns:1fr}
  #ruixiao>.wrap{padding-top:44px}
  .product-preview{padding:6px}.product-showcase{margin-top:28px}
  .image-viewer{padding:14px;max-height:92dvh}.image-viewer-title{font-size:14px}
  .image-viewer-close{padding:6px 12px}.image-viewer-header{gap:12px}
  .image-viewer .qr-crop{width:min(326px,100%)}
  .project-table,.project-table tbody{display:block}.project-table thead{display:none}
  .project-table tr{display:block;padding:21px 0;border-bottom:1px solid var(--line)}
  .project-table td,.project-table td:first-child,.project-table td:nth-child(2){display:block;width:100%;border:0;padding:4px 0}
}
@media(max-width:359px){.founder-contact{flex-direction:column}.contact-wechat{gap:18px}.contact-wechat .qr-link{flex-basis:125px;width:125px}}