/* Customer questions; independent of case-card layout. */
.topic-answers{max-width:1500px;margin:0 auto;padding:clamp(56px,7vw,96px) clamp(20px,4vw,76px);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,6vw,84px);border-top:1px solid var(--line)}
.topic-answers h2{font-family:var(--serif);font-size:clamp(28px,3vw,44px);line-height:1.3;margin:0;max-width:15em}
.topic-answers details{border-bottom:1px solid var(--line);padding:0 0 20px;margin:0 0 22px;min-width:0}
.topic-answers summary{display:flex;justify-content:space-between;gap:18px;cursor:pointer;list-style:none;font-size:18px;font-weight:700;line-height:1.6}
.topic-answers summary::-webkit-details-marker{display:none}
.topic-answers summary::after{content:'+';flex:0 0 20px;text-align:center;color:var(--ink)}
.topic-answers details[open] summary::after{content:'−'}
.topic-answers p{max-width:none!important;width:auto!important;line-height:1.9;color:var(--muted);font-size:16px;margin:16px 0 0}
.topic-content-note{max-width:1500px;margin:0 auto;padding:24px clamp(20px,4vw,76px) 40px;color:var(--muted);font-size:13px;line-height:1.8}
.topic-content-note a{text-decoration:underline;text-underline-offset:3px}
main :is(h1,h2,h3)[id]{scroll-margin-top:110px}
.faq-section summary .faq-symbol:empty::after{content:'+'}
.faq-section details[open] summary .faq-symbol:empty::after{content:'−'}
.topic-wechat{box-sizing:border-box;position:fixed;right:24px;bottom:24px;z-index:90;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:10px 14px;background:#FFD900;color:#15130e;border:1px solid rgba(21,19,14,.12);border-radius:7px;box-shadow:0 4px 16px rgba(21,19,14,.1);font-size:15px;font-weight:700;line-height:1.25;text-decoration:none;white-space:nowrap}
.topic-wechat svg{width:20px;height:20px;flex-shrink:0}.topic-wechat:focus-visible{outline:3px solid #15130e;outline-offset:4px}
body:has(.topic-wechat)>footer{padding-bottom:100px}
@media(max-width:720px){.topic-answers{grid-template-columns:minmax(0,1fr);gap:28px}.topic-answers h2{max-width:none}.topic-answers summary{font-size:17px}.topic-content-note{padding-bottom:26px}}
@media(max-width:720px){.topic-wechat{right:14px;bottom:calc(14px + env(safe-area-inset-bottom));min-height:44px;padding:10px 12px;font-size:14px;gap:6px}.topic-wechat svg{width:18px;height:18px}.case-filter-bar,.article-filter-bar{position:static}}