/* ============================================================
   about.html · 关于我们
   题头：奶白面板 + 团队图
   区块：理念语录 / 保障卡 / 历程时间轴 / 数字大卡 / 企业文化双图 / 行动带
   ============================================================ */

/* ---------- 奶白面板题头 ---------- */
.ab-head{
  padding:calc(var(--header-h) + 56px) 0 60px;
  background:var(--c-cream);
}
.ab-head-in{ display:grid; grid-template-columns:1.15fr 1fr; gap:48px; align-items:center; }
.ab-head-text h1{ margin:6px 0 16px; }
.ab-head-text p{ font-size:15.5px; }
.ab-head-photo img{
  width:100%; height:340px; object-fit:cover; border-radius:var(--r-card);
  box-shadow:var(--shadow-float); border:6px solid #fff;
}

/* ---------- 理念语录 ---------- */
.ab-creed{ background:var(--c-green-deep); padding:56px 0; }
.ab-quote{ text-align:center; max-width:880px; margin-inline:auto; }
.ab-quote blockquote{
  color:#fff; font-size:clamp(19px,2.6vw,26px); font-weight:600;
  line-height:1.7; margin-bottom:18px; position:relative; padding:0 10px;
}
.ab-quote figcaption{ color:rgba(255,255,255,.7); font-size:14px; }
.ab-creed-note{ text-align:center; color:rgba(255,255,255,.78); font-size:14.5px; margin:18px 0 0; }

/* ---------- 服务保障 ---------- */
.ab-guarantee{ padding:70px 0; }
.ab-guar-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.ab-guar-card{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-card);
  padding:28px 24px; box-shadow:var(--shadow-soft); transition:transform .3s ease;
}
.ab-guar-card:hover{ transform:translateY(-5px); }
.ab-guar-no{
  display:inline-block; font-size:13px; font-weight:800; letter-spacing:.12em;
  color:var(--c-green); margin-bottom:12px;
}
.ab-guar-card h3{ font-size:18px; margin-bottom:10px; }
.ab-guar-card p{ font-size:14px; color:var(--c-body); margin:0; }

/* ---------- 发展历程时间轴 ---------- */
.ab-history{ padding:70px 0; background:var(--c-cream); border-top:1px solid var(--c-line); }
.ab-timeline{ position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.ab-timeline::before{
  content:""; position:absolute; top:9px; left:2%; right:2%; height:2px;
  background:var(--c-green); opacity:.4;
}
.ab-node{ position:relative; padding-top:34px; }
.ab-node::before{
  content:""; position:absolute; top:2px; left:0; width:18px; height:18px;
  border-radius:50%; background:var(--c-green-deep); border:3px solid var(--c-cream);
  box-shadow:0 0 0 2px var(--c-green);
}
.ab-node time{
  display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.1em;
  color:var(--c-green-deep); background:var(--c-green-pale);
  padding:.3em .9em; border-radius:var(--r-pill); margin-bottom:10px;
}
.ab-node h3{ font-size:17px; margin-bottom:8px; }
.ab-node p{ font-size:14px; color:var(--c-body); margin:0; }

/* ---------- 核心数据大卡 ---------- */
.ab-stats{ padding:56px 0; }
.ab-stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.ab-stat{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-card);
  padding:30px 18px; text-align:center; box-shadow:var(--shadow-soft);
}
.ab-stat b{
  display:block; font-size:clamp(34px,4vw,48px); font-weight:800;
  color:var(--c-green-deep); line-height:1.1; margin-bottom:6px;
}
.ab-stat span{ font-size:14px; color:var(--c-mute); }

/* ---------- 企业文化 + 双图 ---------- */
.ab-culture{ padding:0 0 70px; }
.ab-culture-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:30px; }
.ab-cul-card{
  background:var(--c-green-pale); border-radius:var(--r-card); padding:26px 24px;
  border:1px solid var(--c-line);
}
.ab-cul-card h3{ font-size:19px; margin-bottom:8px; }
.ab-cul-card p{ font-size:14px; color:var(--c-body); margin:0; }
.ab-cul-photos{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.ab-cul-photo img{ width:100%; height:260px; object-fit:cover; border-radius:var(--r-card); box-shadow:var(--shadow-soft); }

/* ---------- 团队分工语录墙 ---------- */
.ab-roles{ padding:70px 0; }
.ab-roles-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.ab-role{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-card);
  padding:28px 26px; box-shadow:var(--shadow-soft); border-top:4px solid var(--c-green);
}
.ab-role blockquote{
  font-size:16px; font-weight:600; color:var(--c-ink); line-height:1.7;
  margin:0 0 18px; position:relative; padding-top:6px;
}
.ab-role figcaption b{ display:block; color:var(--c-green-deep); font-size:15.5px; margin-bottom:4px; }
.ab-role figcaption span{ font-size:13.5px; color:var(--c-mute); }
.ab-roles-note{ text-align:center; color:var(--c-mute); font-size:14.5px; margin:26px 0 0; max-width:70ch; margin-inline:auto; }

/* ---------- 服务关键词磁贴墙 ---------- */
.ab-tags{ padding:20px 0 70px; }
.ab-tag-wall{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }
.ab-tag{
  display:inline-block; padding:.55em 1.3em; border-radius:var(--r-pill);
  background:var(--c-paper); border:1.5px solid var(--c-line);
  color:var(--c-green-deep); font-size:14px; font-weight:600;
  box-shadow:var(--shadow-soft); transition:transform .25s ease, background .25s ease;
}
.ab-tag:hover{ transform:translateY(-3px); background:var(--c-green-pale); }

/* ---------- 行动带 ---------- */
.ab-cta{ background:var(--c-bg); padding:56px 0; border-top:1px solid var(--c-line); }
.ab-cta-in{
  display:flex; align-items:center; justify-content:space-between;
  gap:26px; flex-wrap:wrap;
}
.ab-cta-text h2{ margin-bottom:6px; }
.ab-cta-text p{ color:var(--c-mute); margin:0; }
.ab-cta-act{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .ab-head-in{ grid-template-columns:1fr; gap:28px; }
  .ab-head-photo{ order:-1; }
  .ab-guar-grid, .ab-stats-grid{ grid-template-columns:1fr 1fr; }
  .ab-roles-grid{ grid-template-columns:1fr; }
  .ab-timeline{ grid-template-columns:1fr; gap:26px; }
  .ab-timeline::before{ display:none; }
  .ab-node{ padding-top:0; padding-left:28px; }
  .ab-node::before{ top:4px; left:0; }
}
@media (max-width:600px){
  .ab-guar-grid, .ab-stats-grid, .ab-culture-grid, .ab-cul-photos{ grid-template-columns:1fr; }
  .ab-cta-in{ flex-direction:column; text-align:center; }
}