.faq-page {
  --faq-blue: #0f52ba;
  --faq-ink: #18304b;
  --faq-muted: #53657a;
  --faq-line: #dbe5f0;
}

.faq-page .faq-hero { padding: 7.5rem 0 2.5rem; }
.faq-page .faq-hero h1 { font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1.3; }
.faq-kicker { color: var(--faq-blue); font-size: .85rem; font-weight: 700; letter-spacing: .12em; margin-bottom: .75rem; }
.faq-intro { max-width: 43rem; margin: 0 auto; line-height: 1.85; color: var(--faq-muted); }
.faq-shortcuts { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.25rem; margin-top: 1rem; }
.faq-shortcuts a { color: var(--faq-blue); padding: .5rem 0; text-decoration: underline; text-underline-offset: 4px; }
.faq-page .keyword-pill { min-height: 40px; border: 1px solid transparent; }
.faq-page .keyword-pill:hover { border-color: #a2bce2; }
.faq-page #faq-library { padding-top: 2rem; }
.faq-page #faq-library [hidden] { display: none !important; }
.faq-page .faq-item { scroll-margin-top: 100px; }
.faq-page .faq-question { gap: 1rem; line-height: 1.7; }
.faq-page .faq-question .faq-icon { flex-shrink: 0; }
.faq-page .faq-answer { max-height: none; opacity: 1; transition: none; line-height: 1.9; }
.faq-page .faq-answer p + p { margin-top: .9rem; }
.faq-page .faq-answer strong { color: var(--faq-ink); }
.faq-page .faq-answer a { color: var(--faq-blue); text-decoration: underline; text-underline-offset: 4px; }
.faq-page .faq-answer .faq-related { border-top: 1px solid var(--faq-line); padding-top: 1rem; font-size: .9rem; }
.faq-page .faq-item-active .faq-answer { max-height: none; }
.faq-page:not(.faq-enhanced) .faq-content { display: block !important; margin-bottom: 2rem; }
.faq-page .faq-tab[aria-pressed="true"] { color: var(--faq-blue); border-color: var(--faq-blue); font-weight: 700; }
.faq-result-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem; max-width: 56rem; margin: 0 auto 1.25rem; color: var(--faq-muted); font-size: .9rem; }
.faq-result-bar button, .faq-empty button { min-height: 44px; color: var(--faq-blue); text-decoration: underline; text-underline-offset: 4px; }
.faq-empty { padding: 2rem; margin: 0 auto 2rem; max-width: 56rem; border: 1px dashed #a6bedc; border-radius: 16px; background: #f5f9ff; line-height: 1.8; }
.faq-empty h2 { font-size: 1.25rem; margin-bottom: .5rem; }
.faq-search-heading { margin: 2rem 0 1rem; padding-left: 1rem; border-left: 3px solid var(--faq-blue); font-size: 1.15rem; font-weight: 700; color: var(--faq-ink); }
.faq-page mark { color: inherit; background: #d6efec; border-radius: 3px; }
.faq-guide { margin-bottom: 2rem; border: 1px solid var(--faq-line); border-radius: 20px; overflow: hidden; background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 65%, #edf7f5 100%); scroll-margin-top: 100px; }
.faq-guide > summary { display: list-item; cursor: pointer; padding: 1.5rem; color: var(--faq-ink); font-size: 1.2rem; font-weight: 700; }
.faq-guide > summary::marker { color: var(--faq-blue); }
.faq-guide > summary span { display: block; margin-top: .4rem; font-size: .9rem; line-height: 1.7; font-weight: 400; color: var(--faq-muted); }
.faq-guide-body { padding: 0 1.5rem 1.5rem; }
.faq-guide-body > p { color: var(--faq-muted); line-height: 1.85; }
.capability-map { margin-top: 1.4rem; }
.capability-tier { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 1rem; align-items: start; }
.capability-tier + .capability-tier { padding-top: 1.8rem; position: relative; }
.capability-tier + .capability-tier::before { content: ""; position: absolute; top: .35rem; left: 6.5rem; height: 1.05rem; border-left: 2px solid #88a9d3; }
.capability-level { color: var(--faq-muted); font-size: .85rem; line-height: 1.7; padding-top: .6rem; }
.capability-level b { display: block; color: var(--faq-blue); font-size: .75rem; letter-spacing: .08em; }
.capability-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.capability-cards.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.capability-cards.one { grid-template-columns: minmax(0, 1fr); }
.capability-card { display: block; padding: 1rem; border: 1px solid var(--faq-line); border-radius: 12px; background: #fff; }
.capability-card:hover { border-color: #87acd9; }
.capability-card strong { color: var(--faq-blue); display: block; font-size: 1rem; }
.capability-card b { display: block; font-size: .9rem; margin: .25rem 0 .5rem; color: var(--faq-ink); }
.capability-card span { display: block; color: var(--faq-muted); font-size: .85rem; line-height: 1.7; }
.capability-map figcaption, .delivery-map figcaption { font-size: .85rem; line-height: 1.85; color: var(--faq-muted); margin-top: 1.2rem; }
.faq-example { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--faq-line); line-height: 1.85; font-size: .9rem; color: var(--faq-muted); }
.faq-example strong { color: var(--faq-ink); }
.delivery-steps { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; counter-reset: delivery-step; }
.delivery-steps li { position: relative; padding: 1.25rem; border: 1px solid var(--faq-line); border-radius: 14px; background: #fff; counter-increment: delivery-step; }
.delivery-steps li::before { content: "0" counter(delivery-step); display: block; color: var(--faq-blue); font-weight: 700; font-size: .85rem; margin-bottom: .5rem; }
.delivery-steps li:nth-child(3) { border-color: #8daeda; background: #edf4ff; }
.delivery-steps h3 { font-size: 1.1rem; font-weight: 700; color: var(--faq-ink); margin-bottom: .5rem; }
.delivery-steps p { font-size: .9rem; line-height: 1.8; color: var(--faq-muted); }
.delivery-steps p + p { margin-top: .7rem; }
.delivery-gate { margin-top: 1rem; border-top: 1px solid var(--faq-line); padding-top: 1rem; color: var(--faq-muted); line-height: 1.85; font-size: .9rem; }
.faq-page #wechat-qr-modal:not(.hidden) { display: flex; }
.faq-page #wechat-qr-modal [role="document"] { max-height: calc(100dvh - 2rem); overflow-y: auto; }
.faq-contact-float { position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 40; display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.15rem; min-height: 48px; border-radius: 28px; background: var(--faq-blue); color: white; box-shadow: 0 6px 22px #0f52ba24; }

@media (max-width: 767px) {
  .faq-page .faq-hero { padding: 6.5rem 0 1.5rem; }
  .faq-page .faq-hero h1 { font-size: 1.9rem !important; line-height: 1.4 !important; }
  .faq-page #faq-library { padding-top: 1.5rem; }
  .faq-page .faq-question { padding: 1.1rem; }
  .faq-page .faq-question span { font-size: 1.05rem; }
  .faq-page .faq-answer { padding: 0 1.1rem 1.25rem; }
  .faq-guide > summary { font-size: 1.1rem; padding: 1.1rem; }
  .faq-guide-body { padding: 0 1.1rem 1.25rem; }
  .capability-tier { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
  .capability-level { display: flex; gap: .6rem; align-items: center; padding-top: 0; }
  .capability-tier + .capability-tier::before { left: .2rem; }
  .capability-cards, .capability-cards.two { grid-template-columns: minmax(0, 1fr); }
  .capability-card { padding: .9rem 1rem; }
  .delivery-steps { grid-template-columns: minmax(0, 1fr); }
  .faq-page .faq-empty h2 { font-size: 1.2rem !important; line-height: 1.5 !important; }
  .faq-contact-float { right: 1rem; bottom: max(1rem, env(safe-area-inset-bottom)); font-size: .85rem; }
}