/* =============================================================
   about.html 专属样式 —— 关于我们 · 编辑式长页
   骨架：不对称首屏 / 三理念卡 / 纵向时间轴 / 团队构成条 /
         深色服务观列表 / 办公图廊 / 服务卡片 / 城市标签带
   ============================================================= */

/* ---------- 1. 首屏：左文右图不对称 ---------- */
.about-hero{
  background:var(--paper);
  padding:calc(var(--topbar-h) + var(--header-h) + 44px) 0 70px;
  overflow:hidden;
}
.about-hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.about-hero-kicker{
  font-size:12.5px;letter-spacing:.38em;color:var(--earth-deep);
  margin:20px 0 18px;
}
.about-hero-title{
  font-size:clamp(34px,4.6vw,54px);line-height:1.28;letter-spacing:.04em;
  margin-bottom:22px;
}
.about-hero-sub{
  font-size:16px;color:var(--ink-soft);line-height:1.95;max-width:540px;
  margin-bottom:32px;
}
.about-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.about-hero-figure{
  position:relative;
}
.about-hero-figure img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow);
  filter:saturate(.92);
}
.about-hero-figure figcaption{
  margin-top:14px;font-size:13px;color:var(--ink-faint);
  border-left:3px solid var(--earth);padding-left:12px;
}

/* ---------- 2. 理念卡：竖排三卡，大字开头 ---------- */
.philo-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.philo-card{
  background:var(--paper);border:1px solid var(--line);
  border-top:3px solid var(--earth);
  padding:32px 28px;border-radius:var(--radius);
  transition:transform .35s ease,box-shadow .35s ease;
}
.philo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.philo-no{
  font-family:var(--font-serif);font-size:30px;color:var(--earth-light);
  display:block;margin-bottom:14px;letter-spacing:.1em;
}
.philo-card h3{font-size:19px;margin-bottom:12px;letter-spacing:.03em}
.philo-card p{font-size:14px;color:var(--ink-soft);line-height:1.95}

/* ---------- 3. 时间轴：纵向中轴 ---------- */
.timeline{
  position:relative;max-width:760px;margin:0 auto;
  padding-left:0;
}
.timeline::before{
  content:"";position:absolute;left:120px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--earth),var(--brown-pale));
}
.timeline-item{
  position:relative;display:grid;grid-template-columns:100px 1fr;
  gap:32px;padding:26px 0;
}
.timeline-year{
  font-family:var(--font-serif);font-size:22px;font-weight:700;
  color:var(--earth-deep);text-align:right;padding-top:2px;
}
.timeline-item::before{
  content:"";position:absolute;left:114px;top:34px;width:14px;height:14px;
  border-radius:50%;background:var(--paper);border:3px solid var(--earth);
}
.timeline-body{
  background:var(--paper);border:1px solid var(--line);
  padding:20px 26px;border-radius:var(--radius);margin-left:32px;
}
.timeline-body h3{font-size:17px;margin-bottom:8px}
.timeline-body p{font-size:14px;color:var(--ink-soft);line-height:1.9}

/* ---------- 4. 团队规模 ---------- */
.teamscale-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.teamscale-note{margin-top:14px}
.teamscale-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.stat-cell{
  background:var(--paper-deep);border:1px solid var(--line);
  padding:26px 22px;border-radius:var(--radius);text-align:left;
}
.stat-cell .num{margin-bottom:8px}
.stat-label{font-size:13px;color:var(--ink-soft);letter-spacing:.1em}

/* 构成进度条 */
.bars-wrap{margin-top:48px}
.bars{display:grid;gap:16px;max-width:760px;margin:0 auto}
.bar-row{
  display:grid;grid-template-columns:140px 1fr 90px;
  align-items:center;gap:16px;
}
.bar-label{font-size:14px;color:var(--ink);font-weight:600}
.bar-track{
  height:10px;background:var(--paper-deep);border-radius:5px;
  overflow:hidden;border:1px solid var(--line);
}
.bar-track i{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--earth-deep),var(--earth));
  border-radius:5px;
}
.bar-row:nth-child(1) i{width:26%}
.bar-row:nth-child(2) i{width:22%}
.bar-row:nth-child(3) i{width:18%}
.bar-row:nth-child(4) i{width:13%}
.bar-row:nth-child(5) i{width:21%}
.bar-val{font-size:13px;color:var(--ink-faint);text-align:right}

/* ---------- 5. 服务观（深色） ---------- */
.sv-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(201,193,178,.16);border:1px solid rgba(201,193,178,.16)}
.sv-item{
  background:var(--dark);padding:36px 34px;
}
.sv-no{
  font-family:var(--font-serif);font-size:36px;color:rgba(201,169,104,.55);
  display:block;margin-bottom:12px;
}
.sv-item h3{color:#EFE9DC;font-size:18px;margin-bottom:10px}
.sv-item p{color:#A49C8C;font-size:14px;line-height:1.9}

/* ---------- 6. 办公环境图廊 ---------- */
.office-grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:22px;
}
.office-figure--big{grid-row:span 2;margin:0}
.office-figure{margin:0}
.office-figure img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow-soft);
  filter:saturate(.92);object-fit:cover;
}
.office-figure--big img{height:100%}
.office-figure figcaption{
  margin-top:10px;font-size:13px;color:var(--ink-faint);
}
.office-cta{text-align:center;margin-top:36px}

/* ---------- 7. 我们能做什么 ---------- */
.do-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.do-card{
  background:var(--paper);border:1px solid var(--line);
  padding:28px 24px;border-radius:var(--radius);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.do-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(174,135,73,.4)}
.do-card h3{font-size:17px}
.do-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.85;flex:1}

/* ---------- 8. 城市标签带 ---------- */
.city-band{
  background:var(--dark);border-radius:var(--radius);
  padding:40px 44px;display:grid;grid-template-columns:280px 1fr;gap:36px;
  align-items:center;
}
.city-band-copy h2{color:#EFE9DC;font-size:24px;margin-bottom:8px}
.city-band-copy p{color:#A49C8C;font-size:14px;line-height:1.85}
.city-tags{display:flex;flex-wrap:wrap;gap:10px}
.city-tags a{
  font-size:13.5px;color:#D8D2C6;border:1px solid rgba(201,193,178,.3);
  padding:7px 16px;border-radius:20px;transition:all .25s ease;
}
.city-tags a:hover{border-color:var(--earth);color:var(--earth-light);background:rgba(174,135,73,.1)}

/* ---------- 9. 延伸链接卡 ---------- */
.more-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.more-card{
  background:var(--paper);border:1px solid var(--line);
  padding:30px 26px;border-radius:var(--radius);
  transition:transform .35s ease,box-shadow .35s ease;
}
.more-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.more-card h3{font-size:18px;margin-bottom:10px;color:var(--earth-deep)}
.more-card p{font-size:14px;color:var(--ink-soft);line-height:1.85}

/* ---------- 响应式 ---------- */
@media (max-width:991px){
  .about-hero-inner{grid-template-columns:1fr;gap:36px}
  .philo-grid{grid-template-columns:1fr}
  .teamscale-wrap{grid-template-columns:1fr}
  .sv-list{grid-template-columns:1fr}
  .do-grid{grid-template-columns:1fr 1fr}
  .city-band{grid-template-columns:1fr;padding:30px 26px}
  .more-links{grid-template-columns:1fr}
  .timeline::before{left:8px}
  .timeline-item{grid-template-columns:1fr;gap:8px;padding-left:30px}
  .timeline-year{text-align:left}
  .timeline-item::before{left:2px}
  .timeline-body{margin-left:0}
  .bar-row{grid-template-columns:100px 1fr 80px}
}
@media (max-width:640px){
  .office-grid{grid-template-columns:1fr}
  .do-grid{grid-template-columns:1fr}
  .teamscale-stats{grid-template-columns:1fr 1fr}
}