/* ============================================================
   常见问题页样式 (v3)
   子页头样式在核心样式表中定义
   ============================================================ */

/* ---------- FAQ Layout ---------- */
.crdvxy{display:grid;grid-template-columns:220px 1fr;gap:3rem;padding-bottom:2rem}
@media(max-width:1024px){.crdvxy{grid-template-columns:180px 1fr;gap:2rem}}

/* ---------- FAQ Sidebar Nav — with left-border cvf7wf indicator ---------- */
.cd2tse{position:sticky;top:calc(var(--header-height) + 1.5rem);align-self:start}
.cd2tse h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:.85rem}
.cd2tse ul li{margin-bottom:.15rem}
.cd2tse ul li a{display:block;padding:.5rem .85rem;font-size:.88rem;color:var(--color-text-secondary);border-radius:var(--radius-sm);border-left:3px solid transparent;transition:all var(--transition-fast)}
.cd2tse ul li a:hover,.cd2tse ul li a.cvf7wf{color:var(--color-primary);background:var(--color-primary-light);border-left-color:var(--color-primary);font-weight:600}
.cd2tse ul li a.cvf7wf{background:var(--color-primary-light);color:var(--color-primary);font-weight:700}

/* ---------- FAQ Category ---------- */
.c3kvzs{margin-bottom:3.5rem}
.c3kvzs h2{font-size:clamp(1.2rem,2.5vw,1.5rem);font-weight:800;padding-bottom:.7rem;margin-bottom:1.35rem;position:relative;color:var(--color-heading)}
.c3kvzs h2::after{content:"";position:absolute;bottom:0;left:0;width:60px;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:2px}

/* ---------- FAQ Accordion — premium smooth animation ---------- */
details.cdypcu{border:1.5px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:.7rem;overflow:hidden;transition:all var(--transition-base);background:var(--color-bg-card);box-shadow:var(--shadow-card)}
details.cdypcu:hover{border-color:var(--color-primary-soft);box-shadow:var(--shadow-md);transform:translateY(-1px)}
details.cdypcu[cw38ur]{box-shadow:var(--shadow-md);border-color:var(--color-primary-soft)}
details.cdypcu summary{padding:1.1rem 1.5rem;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:1rem;transition:all var(--transition-base);user-select:none;color:var(--color-text);gap:1rem}
details.cdypcu summary::-webkit-details-marker{display:none}
details.cdypcu summary::after{content:"+";font-size:1.6rem;font-weight:300;color:var(--color-text-muted);transition:all var(--transition-base);line-height:1;flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--color-bg-tertiary)}
details.cdypcu[cw38ur] summary{color:var(--color-primary);background:var(--color-primary-light)}
details.cdypcu[cw38ur] summary::after{content:"−";color:#fff;transform:rotate(180deg);background:var(--color-primary)}
details.cdypcu summary:hover{background:var(--color-bg-hover);color:var(--color-primary)}
details.cdypcu .cw8jha{padding:0 1.5rem 1.5rem;font-size:.94rem;color:var(--color-text-secondary);line-height:1.9;animation:faq-slide-in .35s ease}
details.cdypcu .cw8jha p{margin-bottom:.75rem}
details.cdypcu .cw8jha p:last-child{margin-bottom:0}
@keyframes faq-slide-in{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Mobile ---------- */
@media(max-width:768px){
  .crdvxy{grid-template-columns:1fr;gap:1.5rem}
  .cd2tse{position:static;overflow-x:auto;padding-bottom:.6rem;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .cd2tse::-webkit-scrollbar{display:none}
  .cd2tse ul{display:flex;gap:.35rem;flex-wrap:nowrap}
  .cd2tse h2{display:none}
  .cd2tse ul li a{padding:.45rem .9rem;white-space:nowrap;min-height:42px;display:flex;align-items:center;border-radius:var(--radius-full);border:1.5px solid var(--color-border);border-left:1.5px solid var(--color-border);font-size:.84rem}
  .cd2tse ul li a.cvf7wf,.cd2tse ul li a:hover{border-color:var(--color-primary);background:var(--color-primary-light);border-left-color:var(--color-primary)}
  .c3kvzs{margin-bottom:2.5rem}
  details.cdypcu summary{padding:1rem 1.3rem;min-height:48px;font-size:.94rem}
  details.cdypcu .cw8jha{padding:0 1.3rem 1.2rem}
}