/* ============================================================
   hhlsq.com — faq.css 常见问题页专属样式
   布局指纹：H10 极简留白 Hero ｜ FAQ 手风琴（details/summary）｜B2 卡片墙｜B1 统计带｜B11 对比表｜B3 步骤时间轴｜B14 表单｜B15 CTA
   签名元素：S6 角标括号（标题两侧 〈 〉 金色括号）
   ============================================================ */

/* ---------- 1. Hero H10 极简留白 ---------- */
.faq-hero{
  background:var(--white);
  padding:clamp(64px,8vw,110px) 0 clamp(36px,5vw,60px);
  text-align:center; position:relative; overflow:hidden;
}
.faq-hero__title{
  font-size:clamp(30px,4.4vw,52px); line-height:1.28;
  margin:18px auto 16px; max-width:780px;
}
.faq-hero__title em{ font-style:normal; color:var(--gold); }
.faq-hero__lead{ color:var(--gray-600); font-size:16.5px; max-width:640px; margin:0 auto 30px; }
.faq-hero__imgwrap{ margin-top:clamp(28px,4vw,48px); }
.faq-hero__img{
  width:100%; height:clamp(240px,34vw,380px);
  object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-lg);
}

/* ---------- 2. 签名 S6：角标括号 ---------- */
.faq-bracketed{ position:relative; }
.faq-bracketed::before{ content:"〈"; color:var(--gold); font-size:.62em; margin-right:.3em; vertical-align:middle; font-weight:400; }
.faq-bracketed::after{ content:"〉"; color:var(--gold); font-size:.62em; margin-left:.3em; vertical-align:middle; font-weight:400; }

/* ---------- 3. FAQ 手风琴 ---------- */
.faq-acc{ max-width:880px; margin:0 auto; }
.faq-item{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-md);
  margin-bottom:14px; box-shadow:var(--shadow-sm); overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item[open]{ border-color:var(--gold); box-shadow:var(--shadow-md); }
.faq-item summary{
  display:flex; align-items:center; gap:14px;
  padding:18px 22px; cursor:pointer; list-style:none;
  font-weight:600; font-size:16px; color:var(--navy-900); line-height:1.5;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::before{
  content:"Q"; flex-shrink:0;
  width:28px; height:28px; border-radius:50%;
  background:var(--blue-soft); color:var(--navy-700);
  font-size:13px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.faq-item summary::after{
  content:"+"; margin-left:auto; flex-shrink:0;
  font-size:22px; font-weight:300; color:var(--gold);
  transition:transform .25s ease; line-height:1;
}
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-a{ padding:0 22px 20px 64px; color:var(--gray-600); font-size:15px; line-height:1.85; }
.faq-a a{ font-weight:600; color:var(--navy-600); text-decoration:underline; text-underline-offset:3px; }
.faq-a a:hover{ color:var(--navy-800); }

.faq-relate{
  max-width:880px; margin:34px auto 0;
  display:flex; align-items:center; flex-wrap:wrap; gap:10px;
}
.faq-relate__label{ font-size:14px; color:var(--gray-500); }

/* ---------- 4. B2 顾虑卡片墙（错位悬浮） ---------- */
.faq-worry__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.faq-worry__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:28px 24px; transition:all .3s ease;
}
.faq-worry__card:nth-child(even){ transform:translateY(18px); }
.faq-worry__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.faq-worry__card:nth-child(even):hover{ transform:translateY(12px); }
.faq-worry__card svg{ width:30px; height:30px; color:var(--navy-600); margin-bottom:14px; }
.faq-worry__card:hover svg{ color:var(--gold); }
.faq-worry__card h3{ font-size:17px; margin-bottom:10px; }
.faq-worry__card p{ font-size:14px; color:var(--gray-600); margin:0; line-height:1.75; }

/* ---------- 5. B1 数据带 ---------- */
.faq-stats{ background:linear-gradient(135deg,var(--navy-900),var(--navy-800)); }
.faq-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.faq-stat{ position:relative; padding:8px 0; }
.faq-stat + .faq-stat::before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:1px; height:46px; background:rgba(232,238,245,.16);
}
.faq-stat .stat-num{ color:#fff; }
.faq-stat .stat-note{ color:rgba(232,238,245,.66); }

/* ---------- 6. B11 对比表 ---------- */
.faq-table__wrap{ overflow-x:auto; border-radius:var(--radius-md); box-shadow:var(--shadow-sm); }
.faq-table__tbl{ width:100%; border-collapse:collapse; background:#fff; min-width:640px; }
.faq-table__tbl th{
  background:var(--navy-800); color:#fff;
  padding:14px 18px; font-size:14.5px; text-align:left; font-weight:600;
}
.faq-table__tbl td{
  padding:13px 18px; font-size:14.5px; color:var(--gray-700);
  border-bottom:1px solid var(--gray-200);
}
.faq-table__tbl tbody tr:nth-child(odd){ background:var(--gray-50); }
.faq-table__tbl tbody tr:hover{ background:var(--blue-soft); }
.faq-table__tbl td:first-child{ font-weight:600; color:var(--navy-900); }

/* ---------- 7. B3 步骤时间轴 ---------- */
.faq-flow__media{ max-width:860px; margin:0 auto 44px; }
.faq-flow__media img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.faq-flow__steps{
  display:grid; grid-template-columns:repeat(5,1fr); gap:18px;
  counter-reset:faqstep;
}
.faq-step{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-md);
  padding:24px 20px; box-shadow:var(--shadow-sm); position:relative;
}
.faq-step__num{
  display:block; font-size:34px; font-weight:700; line-height:1;
  color:transparent; -webkit-text-stroke:1.4px var(--gold); margin-bottom:12px;
}
.faq-step h3{ font-size:16.5px; margin-bottom:8px; }
.faq-step p{ font-size:13.5px; color:var(--gray-600); margin:0; line-height:1.7; }

/* ---------- 8. B14 表单 ---------- */
.faq-form__split{ display:grid; grid-template-columns:1fr 1.05fr; gap:48px; align-items:center; }
.faq-form__text{ color:var(--gray-600); font-size:15px; margin:14px 0 20px; }
.faq-form__text a{ font-weight:600; color:var(--navy-700); }
.faq-form__points li{
  display:flex; align-items:baseline; gap:10px;
  padding:8px 0; font-size:14.5px; color:var(--gray-700);
  border-bottom:1px dashed var(--gray-300);
}
.faq-form__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.faq-form__points li:last-child{ border-bottom:none; }

/* ---------- 9. B15 CTA ---------- */
.faq-cta{ padding-bottom:clamp(70px,8vw,110px); }
.faq-cta__banner{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700) 55%,var(--navy-600));
  border-radius:28px; padding:clamp(44px,5vw,72px) clamp(24px,4vw,56px);
  text-align:center; position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.faq-cta__banner::before{
  content:""; position:absolute; right:-90px; top:-90px; width:280px; height:280px;
  border-radius:50%; border:1px dashed rgba(255,255,255,.22);
}
.faq-cta__banner::after{
  content:""; position:absolute; left:-60px; bottom:-120px; width:220px; height:220px;
  border-radius:50%; border:1px dashed rgba(176,141,74,.4);
}
.faq-cta__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; position:relative; }
.faq-cta__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; position:relative; }
.faq-cta__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; position:relative; }
.faq-cta__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.faq-cta__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .faq-worry__grid{ grid-template-columns:repeat(2,1fr); }
  .faq-worry__card:nth-child(even){ transform:none; }
  .faq-worry__card:nth-child(even):hover{ transform:translateY(-6px); }
  .faq-stats__grid{ grid-template-columns:repeat(2,1fr); gap:28px 20px; }
  .faq-stat:nth-child(3)::before{ display:none; }
  .faq-flow__steps{ grid-template-columns:repeat(2,1fr); }
  .faq-form__split{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .faq-a{ padding-left:22px; }
  .faq-item summary{ padding:15px 16px; font-size:15px; }
  .faq-worry__grid{ grid-template-columns:1fr; }
  .faq-stats__grid{ grid-template-columns:1fr 1fr; gap:18px; }
  .faq-flow__steps{ grid-template-columns:1fr; }
  .faq-cta__actions .btn{ width:100%; }
}