/* ============================================================
   hhlsq.com — website-rebuild.css 老网站改版 专属样式
   布局指纹：H7 半屏色块 Hero ｜B3 改版流程时间轴｜B1 统计带｜B4 图文交替（诊断+SEO保留）｜B11 改法对比表｜B14 表单｜B15 CTA
   签名元素：S5 竖向标尺线
   ============================================================ */

/* ---------- 1. Hero H7 半屏色块 ---------- */
.wrb-hero{ background:var(--gray-100); }
.wrb-hero__top{
  background:linear-gradient(150deg,var(--navy-900),var(--navy-700));
  padding:clamp(56px,7vw,96px) 0 clamp(130px,15vw,190px); text-align:center;
}
.wrb-hero__inner{ position:relative; }
.wrb-hero__inner::after{
  content:""; display:block; width:90px; height:1px; background:#fff;
  opacity:.7; margin:22px auto 0;
}
.wrb-hero__title{ color:#fff; font-size:clamp(30px,4.4vw,50px); line-height:1.25; margin-bottom:16px; }
.wrb-hero__sub{ color:rgba(232,238,245,.8); font-size:16px; max-width:560px; margin:0 auto; }
.wrb-hero__pic{
  position:relative; z-index:2; max-width:900px; margin:-110px auto 0;
  padding:0 24px;
}
.wrb-hero__img{
  width:100%; aspect-ratio:16/8; object-fit:cover;
  border-radius:var(--radius-lg); box-shadow:var(--shadow-lg);
}

/* ---------- 2. 签名 S5 竖向标尺线 ---------- */
.wrb-steps{ position:relative; }
.wrb-steps__ruler{
  position:absolute; left:28px; top:0; bottom:0; width:2px;
  background:repeating-linear-gradient(to bottom, var(--gold) 0 8px, transparent 8px 18px);
  opacity:.5;
}
.wrb-steps__ruler span{
  position:absolute; left:14px; top:50%; transform:rotate(90deg) translateX(-50%); transform-origin:left center;
  font-size:12px; letter-spacing:.2em; color:var(--gray-400); white-space:nowrap;
}

/* ---------- 3. B3 步骤时间轴 ---------- */
.wrb-steps__inner{ position:relative; padding-left:clamp(32px,5vw,64px); }
.wrb-steps__list{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; margin-top:clamp(30px,4vw,48px); }
.wrb-step{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:26px 22px; position:relative; transition:all .3s ease;
}
.wrb-step:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.wrb-step__dot{
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:50%;
  border:1.5px solid var(--gold); color:var(--gold);
  font-size:14px; font-weight:700; margin-bottom:14px;
}
.wrb-step h3{ font-size:16.5px; margin-bottom:8px; }
.wrb-step p{ font-size:13.5px; color:var(--gray-600); margin:0; line-height:1.75; }
.wrb-step p a{ font-weight:600; color:var(--navy-700); }

/* ---------- 4. B1 统计带 ---------- */
.wrb-stats{ background:linear-gradient(135deg,var(--navy-900),var(--navy-800)); padding:clamp(44px,5vw,64px) 0; }
.wrb-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.wrb-stat{ position:relative; padding:8px 0; }
.wrb-stat + .wrb-stat::before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:1px; height:46px; background:rgba(232,238,245,.16);
}
.wrb-stat .stat-num{ color:#fff; }
.wrb-stat .stat-note{ color:rgba(232,238,245,.66); }

/* ---------- 5. B4 图文交替流 ---------- */
.wrb-flow__pair{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; margin-bottom:clamp(40px,5vw,64px); }
.wrb-flow__pair:last-child{ margin-bottom:0; }
.wrb-flow__pair--reverse .wrb-flow__media{ order:2; }
.wrb-flow__media img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.wrb-flow__tag{
  display:inline-block; font-size:12px; letter-spacing:.16em; color:var(--gold);
  border:1px solid var(--gold); border-radius:var(--radius-pill); padding:4px 14px; margin-bottom:14px;
}
.wrb-flow__body h3{ font-size:22px; margin-bottom:12px; }
.wrb-flow__body p{ color:var(--gray-600); font-size:15px; margin:0 0 16px; }
.wrb-flow__body p a{ font-weight:600; color:var(--navy-700); }
.wrb-flow__check li{ position:relative; padding:6px 0 6px 26px; font-size:14.5px; color:var(--gray-700); }
.wrb-flow__check li::before{
  content:""; position:absolute; left:0; top:11px; width:14px; height:14px;
  border:1.5px solid var(--gold); border-radius:3px;
}
.wrb-flow__check{ margin-bottom:16px; }

/* ---------- 6. B11 改版方式对比表 ---------- */
.wrb-table__wrap{ overflow-x:auto; border-radius:var(--radius-lg); box-shadow:var(--shadow-sm); }
.wrb-table__tbl{ width:100%; border-collapse:collapse; background:#fff; min-width:680px; }
.wrb-table__tbl th{
  background:var(--navy-900); color:#fff; text-align:left;
  padding:15px 20px; font-size:14.5px; letter-spacing:.04em;
}
.wrb-table__tbl td{ padding:14px 20px; font-size:14px; color:var(--gray-700); border-bottom:1px solid var(--gray-200); }
.wrb-table__tbl tbody tr:nth-child(odd){ background:var(--gray-50); }
.wrb-table__tbl tbody tr:hover{ background:var(--blue-soft); }

/* ---------- 7. B14 表单 ---------- */
.wrb-form__split{ display:grid; grid-template-columns:1fr 1.08fr; gap:48px; align-items:center; }
.wrb-form__text{ color:var(--gray-600); font-size:15px; margin-bottom:20px; }
.wrb-form__text a{ font-weight:600; color:var(--navy-700); }
.wrb-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); }
.wrb-form__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.wrb-form__points li:last-child{ border-bottom:none; }

/* ---------- 8. B15 CTA ---------- */
.wrb-cta{ padding-bottom:clamp(70px,8vw,110px); }
.wrb-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);
}
.wrb-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);
}
.wrb-cta__inner{ position:relative; z-index:1; }
.wrb-cta__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; }
.wrb-cta__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.wrb-cta__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.wrb-cta__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.wrb-cta__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .wrb-steps__list{ grid-template-columns:1fr 1fr; }
  .wrb-stats__grid{ grid-template-columns:repeat(2,1fr); gap:16px; }
  .wrb-stat + .wrb-stat::before{ display:none; }
  .wrb-flow__pair{ grid-template-columns:1fr; }
  .wrb-flow__pair--reverse .wrb-flow__media{ order:0; }
  .wrb-form__split{ grid-template-columns:1fr; }
  .wrb-hero__pic{ margin-top:-70px; }
}
@media (max-width: 640px){
  .wrb-steps__list{ grid-template-columns:1fr; }
  .wrb-steps__ruler{ left:14px; }
  .wrb-stats__grid{ grid-template-columns:1fr 1fr; }
  .wrb-cta__actions .btn{ width:100%; }
}