/* ============================================================
   faq.css · 常见问题
   题头形态⑥：深色题头 + 统计数字
   ============================================================ */

.fq-head{
  margin-top:72px;
  background:linear-gradient(120deg,#0F1F17 0%,#123A2B 60%,#0B8F56 100%);
  padding:56px 0 60px;
}
.crumbs-onimg{ color:rgba(255,255,255,.75); padding:0 0 16px; }
.crumbs-onimg a{ color:#fff; }
.crumbs-onimg span.sep{ color:rgba(255,255,255,.4); }
.fq-title{ color:#fff; font-size:38px; font-weight:800; max-width:720px; }
.fq-sub{ margin-top:14px; color:rgba(255,255,255,.88); max-width:640px; line-height:1.9; }
.fq-stats{
  margin-top:36px; display:grid; grid-template-columns:repeat(4,1fr); gap:16px; max-width:760px;
}
.fqs{
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.18);
  border-radius:14px; padding:18px 16px; text-align:center;
}
.fqs b{ display:block; font-size:30px; font-weight:800; color:var(--orange-2); line-height:1.1; }
.fqs span{ font-size:13px; color:rgba(255,255,255,.85); }

/* 分类导航 */
.fq-cat{ background:#fff; padding:36px 0; }
.cat-grid{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }
.cat-chip{
  padding:10px 22px; border-radius:999px; font-size:14px; font-weight:600;
  background:var(--bg-soft); color:var(--ink-2); border:1px solid var(--line);
}
.cat-chip:hover{ background:var(--orange); color:#fff; border-color:var(--orange); transform:translateY(-2px); }

/* 手风琴 */
.qna{ background:var(--bg-soft); }
.qna .container{ padding-top:10px; padding-bottom:10px; }
.qna-cat{
  font-size:22px; font-weight:800; margin:30px 0 18px; padding-left:14px;
  border-left:5px solid var(--orange); color:var(--ink);
}
.acc-item{
  background:#fff; border-radius:14px; box-shadow:var(--shadow-sm);
  margin-bottom:14px; overflow:hidden;
}
.acc-head{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 22px; text-align:left; font-size:15.5px; font-weight:600; color:var(--ink);
  background:#fff; cursor:pointer;
}
.acc-head:hover{ color:var(--orange-deep); }
.acc-arrow{
  flex-shrink:0; width:26px; height:26px; border-radius:8px; background:var(--bg-soft);
  position:relative; transition:transform .3s ease;
}
.acc-arrow::before, .acc-arrow::after{
  content:""; position:absolute; top:50%; left:50%; background:var(--ink-2);
  transform:translate(-50%,-50%);
}
.acc-arrow::before{ width:12px; height:2px; }
.acc-arrow::after{ width:2px; height:12px; transition:opacity .25s ease; }
.acc-item.open .acc-arrow{ background:var(--orange); }
.acc-item.open .acc-arrow::before{ background:#fff; }
.acc-item.open .acc-arrow::after{ background:#fff; opacity:0; }
.acc-panel{
  max-height:0; overflow:hidden; transition:max-height .35s ease;
}
.acc-item.open .acc-panel{ max-height:400px; }
.acc-panel p{
  padding:0 22px 20px; font-size:14.5px; color:var(--ink-2); line-height:1.9;
}
.acc-panel a{ color:var(--orange-deep); font-weight:600; }

/* 延伸阅读 */
.fq-more{ background:var(--bg-soft); }
.more-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:16px; margin-top:36px; }
.more-card{
  background:#fff; border-radius:var(--radius); padding:22px 18px; box-shadow:var(--shadow-sm);
  border-top:4px solid var(--green); transition:transform .28s ease, box-shadow .28s ease;
}
.more-card:nth-child(even){ border-top-color:var(--orange); }
.more-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); }
.more-card b{ font-size:15.5px; display:block; margin-bottom:8px; }
.more-card p{ font-size:13px; color:var(--ink-2); line-height:1.7; }
@media (max-width:980px){ .more-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .more-grid{ grid-template-columns:1fr; } }

/* 联系入口 */
.fq-contact{ background:#fff; }
.fq-contact-inner{
  background:linear-gradient(120deg,var(--orange),var(--orange-deep));
  border-radius:var(--radius-lg); padding:44px 40px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.fqc-copy h2{ color:#fff; font-size:26px; }
.fqc-copy p{ color:rgba(255,255,255,.92); margin-top:10px; max-width:460px; }
.fqc-act{ display:flex; gap:14px; flex-wrap:wrap; }

/* 响应式 */
@media (max-width:980px){
  .fq-stats{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .fq-title{ font-size:28px; }
  .fq-contact-inner{ flex-direction:column; align-items:flex-start; }
}