/* v5.4: optically aligned brand signature; brand-launch invitation retained. */
:root{--xingxu-ui-font:Arial,"Xingxu Web Sans","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif}
body,body.v4-service{font-family:var(--xingxu-ui-font)}
button,input,textarea,select{font-family:inherit}

/* Preserve the original outlined mark. The signature is separate live text. */
.brand.brand--slogan,.case-brand.brand--slogan{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  flex-shrink:0;gap:15px;padding:14px 0;width:160px;
}
.brand.brand--slogan .brand-slogan,.case-brand.brand--slogan .brand-slogan{
  display:flex;align-items:baseline;justify-content:space-between;
  align-self:flex-start;width:157.77939157px;margin:0 1.09519732px 0 1.12541111px;padding:0;
  color:#cbd1dc;font-family:"Xingxu Web Sans","Microsoft YaHei","PingFang SC",sans-serif;
  font-size:14px;font-weight:500;font-style:normal;font-synthesis:none;
  font-kerning:none;font-feature-settings:"kern" 0,"palt" 0;
  line-height:1.35;letter-spacing:0;white-space:nowrap;
}
.brand-slogan .slogan-glyph{display:block;flex:0 0 var(--glyph-width);width:var(--glyph-width);margin:0;padding:0}
.brand-slogan .slogan-glyph>span{display:block;position:relative;left:var(--glyph-offset);margin:0;padding:0;letter-spacing:0}
.site-header .brand.brand--slogan img.brand-logo,
.case-header .case-brand.brand--slogan img,
.site-footer .brand.brand--slogan img.brand-logo,
.case-footer .case-brand.brand--slogan img{
  display:block;width:160px;height:auto;max-width:none;object-fit:contain;border-radius:0;
}
.site-header .header-inner,.case-header .header-row{min-height:122px}
.v4-brand-wall>span{
  font-family:"Xingxu Web Sans","Microsoft YaHei","PingFang SC",sans-serif;
  font-size:15px;font-weight:500;font-style:normal;line-height:1.6;letter-spacing:.12em;color:#cbd1dc;
}
html{scroll-padding-top:140px}
@media(max-width:800px){
  .site-header .header-inner,.case-header .header-row{min-height:112px}
  .brand.brand--slogan,.case-brand.brand--slogan{padding:9px 0}
  .site-nav{top:112px}
  html{scroll-padding-top:130px}
}

/* The image explains the tangible outputs; the text gives one next action. */
.v4-home .section.launch-invitation{padding:54px 0 76px;background:#101114;border:0}
.launch-editorial{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:clamp(36px,5vw,72px);align-items:center;
}
.launch-visual{position:relative;min-width:0;margin:0;overflow:hidden;background:#17223a}
.launch-visual>img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.launch-visual figcaption{
  position:absolute;left:20px;bottom:18px;padding:5px 10px;background:#101114d9;
  color:#e4e8ef;font-size:12px;line-height:1.6;border-radius:2px;
}
.launch-copy{min-width:0;padding:8px 0}
.launch-copy .launch-kicker{color:#a8b5ff;font-size:14px;font-weight:500;line-height:1.6;letter-spacing:.12em}
.v4-home .launch-copy h2{
  margin:20px 0 22px;font-size:clamp(28px,2.65vw,38px);
  font-weight:600;line-height:1.5;letter-spacing:-.025em;color:#f2f4f7;
}
.launch-intro{font-size:16px;color:#aeb7c8;line-height:1.9}
.launch-cta{
  display:inline-flex;align-items:center;justify-content:space-between;gap:30px;
  min-height:50px;padding:13px 20px;margin-top:30px;border:1px solid #6e80ed;
  background:#4f66e8;color:#fff;border-radius:3px;font-size:14px;font-weight:500;line-height:1.5;
}
.launch-cta>span{font-family:Arial,sans-serif;font-size:20px;line-height:1}
.launch-cta:hover{background:#4158d3;border-color:#94a2f9}
.launch-terms{border-top:1px solid #343943;border-bottom:1px solid #343943;margin-top:36px}
.launch-terms>summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:66px;list-style:none;padding:18px 0;font-size:14px;color:#c3cbd8;font-weight:400;
}
.launch-terms>summary::-webkit-details-marker{display:none}
.launch-terms>summary>span{font-size:20px;line-height:1;font-weight:400;transition:transform .2s}
.launch-terms[open]>summary>span{transform:rotate(45deg)}
.launch-terms-body{padding:10px 0 30px}
.launch-terms-body dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:0;padding:0}
.launch-terms-body dt{color:#e4e8f0;font-size:15px;font-weight:500;margin-bottom:10px}
.launch-terms-body dd{margin:0;color:#aeb7c8;font-size:14px;line-height:1.9}
.launch-scope{margin-top:26px;padding-top:23px;border-top:1px solid #2a303a;max-width:980px}
.launch-scope p{color:#aeb7c8;font-size:14px;line-height:1.9}
.launch-scope p+p{margin-top:12px}
@media(max-width:1000px){
  .launch-editorial{gap:32px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .launch-desktop-break{display:none}
  .launch-intro{font-size:15px}
}
@media(max-width:800px){
  .v4-home .section.launch-invitation{padding:36px 0 52px}
  .launch-editorial{grid-template-columns:1fr;gap:28px}
  .launch-copy{padding:0;max-width:600px}
  .v4-home .launch-copy h2{font-size:32px;margin:16px 0 18px}
  .launch-cta{margin-top:24px}
  .launch-terms{margin-top:32px}
  .launch-terms-body dl{grid-template-columns:1fr;gap:22px}
  .launch-visual figcaption{left:14px;bottom:14px}
}
@media(max-width:480px){
  .v4-home .launch-copy h2{font-size:28px}
  .launch-copy .launch-kicker{font-size:13px}
  .launch-intro{font-size:15px}
}
@media(prefers-reduced-motion:reduce){.launch-terms>summary>span,.launch-cta{transition:none}}