/* Responsive rules are kept separate so the page can be maintained without a build step. */
.dialog-close { color: var(--muted); }
.case-section { background: var(--cream); }
.case-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
.case-copy { border-top: 3px solid var(--coral); padding-top: 24px; }
.case-copy p { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.case-copy .case-quote { color: var(--ink); font-size: 23px; font-weight: 700; line-height: 1.4; }
.case-steps { border-top: 1px solid var(--line); }
.case-step { display: grid; grid-template-columns: 42px 1fr 42px; gap: 16px; align-items: center; border-bottom: 1px solid var(--line); padding: 22px 0; }
.case-step > span:first-child { color: var(--coral); font-size: 13px; font-weight: 800; }
.case-step strong { display: block; font-size: 17px; }
.case-step p { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.case-icon { color: var(--teal); font-size: 28px; text-align: right; }
.case-disclaimer { color: var(--muted); font-size: 12px; margin: 26px 0 0; }
.wechat-label { font-size: 16px; }
.wechat-label strong { font-size: 22px; margin-left: 7px; letter-spacing: .04em; }
dialog { max-width: 480px; }
.dialog-intro { font-size: 15px !important; }
.wechat-card { background: var(--paper); border: 1px solid var(--line); padding: 20px; margin: 22px 0; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px 14px; }
.wechat-card span { color: var(--muted); font-size: 13px; }
.wechat-card strong { font-size: 28px; letter-spacing: .05em; grid-column: 1 / -1; }
.wechat-card .button { grid-column: 1 / -1; width: 100%; }
.dialog-steps { padding-left: 20px; margin: 22px 0; color: var(--muted); font-size: 14px; }
.dialog-steps li { padding: 4px 0; }

@media (max-width: 820px) {
  .site-header { height: 64px; padding: 0 20px; gap: 12px; }
  .brand img { width: 30px; height: 30px; }
  .main-nav { display: none; }
  .header-cta { margin-left: auto; flex: 0 0 auto; padding: 10px 13px; white-space: nowrap; }
  .hero { display: block; }
  .product-stage { width: 100%; min-width: 0; max-width: 100%; transform: none; }
  .window-body { grid-template-columns: 1fr; min-width: 0; }
  .preview-panel { min-width: 0; }
  .price-layout { display: block; }
  .price-side { display: block; }
  .contact-inner { display: block; }
  .case-layout { display: block; }
  .case-steps { margin-top: 38px; }
  .case-copy .case-quote { font-size: 21px; }
  .wechat-label strong { display: block; margin: 5px 0 0; }
}

@media (max-width: 420px) {
  .section-wrap { width: calc(100% - 32px); }
  .product-stage { padding-left: 12px; padding-right: 12px; }
  .window-bar { gap: 9px; }
  .window-state { white-space: nowrap; }
}