/* ============================================================
   hhlsq.com — sitemap.css 站点地图页专属样式
   布局指纹：H10 极简留白 Hero ｜B2 分组链接墙（6 组）｜B1 统计带｜B4 服务说明｜B15 CTA
   签名元素：S4 网格点阵
   ============================================================ */

/* ---------- 1. Hero H10 极简留白 ---------- */
.sm-hero{ background:var(--white); padding:clamp(70px,9vw,120px) 0 clamp(56px,6vw,80px); position:relative; overflow:hidden; }
.sm-hero__inner{ text-align:center; max-width:720px; margin:0 auto clamp(36px,4vw,56px); }
.sm-hero__title{ font-size:clamp(30px,4.4vw,52px); line-height:1.25; margin:18px 0 18px; }
.sm-hero__lead{ color:var(--gray-600); font-size:16px; max-width:560px; margin:0 auto; }
.sm-hero__strip{ position:relative; z-index:1; }
.sm-hero__strip img{
  width:100%; aspect-ratio:21/7; object-fit:cover;
  border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
}

/* S4 网格点阵：角落 3×3 小圆点 */
.sm-dots{
  position:absolute; width:72px; height:72px; pointer-events:none; opacity:.5;
  background-image:radial-gradient(circle, var(--navy-500) 1.6px, transparent 1.8px);
  background-size:24px 24px; background-repeat:repeat;
}
.sm-dots--tl{ top:40px; left:40px; }
.sm-dots--br{ bottom:60px; right:40px; opacity:.35; }
.sm-dots--cta{
  top:34px; right:40px; opacity:.22; width:64px; height:64px;
  background-image:radial-gradient(circle, #fff 1.6px, transparent 1.8px);
}

/* ---------- 2. 分组链接墙 ---------- */
.sm-group{ position:relative; }
.sm-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.sm-grid--four{ grid-template-columns:repeat(4,1fr); }
.sm-grid--five{ grid-template-columns:repeat(5,1fr); }

.sm-link{
  display:flex; flex-direction:column; gap:6px; height:100%;
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-md);
  padding:20px 20px 18px; position:relative;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.sm-group .section--gray .sm-link, .sm-group.section--gray .sm-link{ background:#fff; }
.sm-link::after{
  content:"→"; position:absolute; right:18px; top:20px; color:var(--gray-300);
  font-size:15px; transition:transform .3s ease, color .3s ease;
}
.sm-link:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); border-color:var(--gray-300); }
.sm-link:hover::after{ transform:translateX(4px); color:var(--gold); }
.sm-link__name{ font-size:15.5px; font-weight:600; color:var(--navy-800); padding-right:22px; }
.sm-link__desc{ font-size:13px; color:var(--gray-500); line-height:1.7; }

/* ---------- 3. 统计带 B1（藏蓝呼吸块） ---------- */
.sm-stats{ background:linear-gradient(135deg,var(--navy-900),var(--navy-800)); }
.sm-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.sm-stat{ position:relative; padding:8px 0; }
.sm-stat + .sm-stat::before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:1px; height:46px; background:rgba(232,238,245,.16);
}
.sm-stat .stat-num{ color:#fff; }
.sm-stat .stat-note{ color:rgba(232,238,245,.66); }

/* ---------- 4. 服务说明 B4 ---------- */
.sm-note__pair{ display:grid; grid-template-columns:1fr 1.05fr; gap:48px; align-items:center; }
.sm-note__media img{ width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.sm-note__body .sec-eyebrow{ margin-bottom:14px; }
.sm-note__title{ font-size:clamp(22px,2.8vw,30px); line-height:1.35; margin-bottom:16px; }
.sm-note__body > p{ color:var(--gray-600); font-size:15.5px; margin-bottom:20px; }
.sm-note__points{ margin-bottom:26px; }
.sm-note__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);
}
.sm-note__points li:last-child{ border-bottom:none; }
.sm-note__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }

/* ---------- 5. CTA B15 ---------- */
.sm-cta{ padding-bottom:clamp(70px,8vw,110px); }
.sm-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);
}
.sm-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);
}
.sm-cta__inner{ position:relative; z-index:1; }
.sm-cta__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; line-height:1.4; }
.sm-cta__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.sm-cta__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.sm-cta__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.sm-cta__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .sm-grid, .sm-grid--four, .sm-grid--five{ grid-template-columns:repeat(2,1fr); }
  .sm-stats__grid{ grid-template-columns:repeat(2,1fr); row-gap:32px; }
  .sm-stat:nth-child(3)::before{ display:none; }
  .sm-note__pair{ grid-template-columns:1fr; gap:32px; }
  .sm-dots--tl, .sm-dots--br{ display:none; }
}
@media (max-width: 640px){
  .sm-grid, .sm-grid--four, .sm-grid--five{ grid-template-columns:1fr; }
  .sm-hero{ padding-top:56px; }
  .sm-hero__strip img{ aspect-ratio:16/9; }
  .sm-cta__actions .btn{ width:100%; }
}