/* ============================================================
   hhlsq.com — about.css 公司介绍页专属样式
   布局指纹：H10 极简留白 Hero ｜B1统计带｜B2错位卡片墙｜B4图文交替｜B8证言带｜B14表单｜B15 CTA
   签名元素：S10 印章徽章
   ============================================================ */

/* ---------- 1. Hero H10 极简留白 ---------- */
.abt-hero{
  background:var(--white);
  padding:clamp(90px,11vw,140px) 0 clamp(56px,6vw,80px);
  text-align:center;
}
.abt-hero__copy{ max-width:780px; margin:0 auto clamp(44px,5vw,64px); }
.abt-hero__eyebrow{ margin-bottom:20px; }
.abt-hero__title{
  font-size:clamp(30px,4.4vw,52px); line-height:1.28; letter-spacing:.02em;
  margin-bottom:22px;
}
.abt-hero__lead{ color:var(--gray-600); font-size:16.5px; line-height:1.9; max-width:640px; margin:0 auto; }

.abt-hero__media{ position:relative; max-width:1080px; margin:0 auto; }
.abt-hero__media img{
  width:100%; height:clamp(300px,34vw,420px); object-fit:cover;
  border-radius:var(--radius-lg); box-shadow:var(--shadow-lg);
}
/* S10 印章徽章：双线圆章 + 旋转 12deg，古金描边、藏蓝底 */
.abt-stamp{
  position:absolute; right:clamp(14px,3vw,36px); bottom:clamp(14px,3vw,36px);
  width:118px; height:118px; border-radius:50%;
  background:var(--navy-900); color:var(--gold);
  border:2px solid var(--gold); outline:1px solid var(--gold-soft); outline-offset:5px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  font-size:14px; line-height:1.7; letter-spacing:.3em; text-indent:.3em;
  transform:rotate(12deg); box-shadow:var(--shadow-md);
}
.abt-stamp span:first-child{ font-size:15px; }

/* ---------- 2. 数据带（深蓝） ---------- */
.abt-stats{ background:linear-gradient(135deg,var(--navy-900),var(--navy-800)); }
.abt-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.abt-stat{ position:relative; padding:8px 0; }
.abt-stat + .abt-stat::before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:1px; height:46px; background:rgba(232,238,245,.16);
}
.abt-stat .stat-num{ color:#fff; }
.abt-stat .stat-note{ color:rgba(232,238,245,.66); }

/* ---------- 3. B2 错位卡片墙 ---------- */
.abt-way__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.abt-way__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:30px 26px; position:relative;
  transition:transform .3s ease, box-shadow .3s ease;
}
.abt-way__card:nth-child(even){ transform:translateY(18px); }
.abt-way__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.abt-way__card:nth-child(even):hover{ transform:translateY(12px); }
.abt-way__card svg{ width:34px; height:34px; color:var(--navy-600); stroke-width:1.4; margin-bottom:16px; transition:color .3s ease; }
.abt-way__card:hover svg{ color:var(--gold); }
.abt-way__card h3{ font-size:17.5px; margin-bottom:10px; }
.abt-way__card p{ font-size:14px; color:var(--gray-600); line-height:1.75; margin:0; }

/* ---------- 4. B4 图文交替流 ---------- */
.abt-flow{ display:flex; flex-direction:column; gap:clamp(40px,6vw,68px); }
.abt-pair{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.abt-pair--reverse .abt-pair__media{ order:2; }
.abt-pair__media img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.abt-pair__num{
  font-size:48px; font-weight:700; color:transparent;
  -webkit-text-stroke:1.5px var(--gold); line-height:1; display:block; margin-bottom:12px;
}
.abt-pair__body h3{ font-size:22px; margin-bottom:14px; }
.abt-pair__body p{ color:var(--gray-600); font-size:15px; margin:0 0 12px; }
.abt-pair__more{ font-size:14px; color:var(--gray-700); }
.abt-pair__more a{ font-weight:600; }

/* ---------- 5. B8 证言带 ---------- */
.abt-say__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.abt-say__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:32px 28px; margin:0; position:relative;
  transition:transform .3s ease, box-shadow .3s ease;
}
.abt-say__card:nth-child(2){ transform:translateY(16px); }
.abt-say__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.abt-say__card:nth-child(2):hover{ transform:translateY(10px); }
.abt-say__card::before{
  content:"“"; position:absolute; top:6px; left:20px;
  font-family:var(--font-serif); font-size:64px; color:var(--gold); opacity:.35; line-height:1;
}
.abt-say__text{
  position:relative; font-size:15px; color:var(--gray-700); line-height:1.9;
  padding-top:18px; margin-bottom:20px; min-height:132px;
}
.abt-say__card footer{ display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; }
.abt-say__who{ font-size:13.5px; color:var(--gray-500); }

/* ---------- 6. B14 表单预约 ---------- */
.abt-form__split{ display:grid; grid-template-columns:1fr 1.06fr; gap:48px; align-items:center; }
.abt-form__text{ color:var(--gray-600); font-size:15px; margin-bottom:20px; }
.abt-form__text a{ font-weight:600; color:var(--navy-700); }
.abt-form__points li{
  display:flex; align-items:baseline; gap:10px; padding:9px 0;
  font-size:14.5px; color:var(--gray-700); border-bottom:1px dashed var(--gray-300);
}
.abt-form__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.abt-form__points li:last-child{ border-bottom:none; }
.abt-form__related{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.abt-form__card{ padding:clamp(24px,3vw,36px); }
.abt-form__submit{ width:100%; margin-top:6px; }

/* ---------- 7. B15 CTA ---------- */
.abt-cta{ padding-bottom:clamp(70px,8vw,110px); }
.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);
}
.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);
}
.cta-banner::after{
  content:""; position:absolute; left:-60px; bottom:-120px; width:220px; height:220px;
  border-radius:50%; border:1px dashed var(--gold); opacity:.5;
}
.cta-banner__inner{ position:relative; z-index:1; }
.cta-banner__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; }
.cta-banner__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.cta-banner__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-banner__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.cta-banner__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .abt-stats__grid{ grid-template-columns:repeat(2,1fr); gap:18px; }
  .abt-stat:nth-child(3)::before{ display:none; }
  .abt-way__grid{ grid-template-columns:repeat(2,1fr); }
  .abt-way__card:nth-child(even){ transform:none; }
  .abt-way__card:hover{ transform:translateY(-6px); }
  .abt-pair{ grid-template-columns:1fr; gap:28px; }
  .abt-pair--reverse .abt-pair__media{ order:0; }
  .abt-say__grid{ grid-template-columns:1fr; max-width:560px; margin:0 auto; }
  .abt-say__card:nth-child(2){ transform:none; }
  .abt-say__text{ min-height:0; }
  .abt-form__split{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .abt-hero{ padding-top:64px; }
  .abt-stamp{ width:88px; height:88px; font-size:11px; }
  .abt-way__grid{ grid-template-columns:1fr; }
  .abt-say__card{ padding:26px 22px; }
  .abt-form__related .btn, .abt-form__related .tag{ width:100%; justify-content:center; }
  .cta-banner__actions .btn{ width:100%; }
}