/* ============================================================
   about.css — 关于我们页
   模块：团队故事图文 / 办公实拍拼贴 / 深色大引言 / 资质图文 / 服务区域三卡 / CTA
   ============================================================ */

/* ---------- Hero ---------- */
.ab-hero{background:
  linear-gradient(160deg,rgba(42,46,53,.93),rgba(28,31,37,.96)),
  url("../images/banner-about.jpg") center/cover no-repeat;
}

/* ---------- 团队故事 ---------- */
.ab-story{background:var(--white)}
.ab-story-inner{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}
.ab-story-media{position:relative}
.ab-story-media img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.ab-story-media::before,.ab-story-media::after{
  content:"";position:absolute;width:70px;height:70px;pointer-events:none;
}
.ab-story-media::before{
  top:-14px;left:-14px;border-top:2px solid var(--gold);border-left:2px solid var(--gold);
}
.ab-story-media::after{
  bottom:-14px;right:-14px;border-bottom:2px solid var(--gold);border-right:2px solid var(--gold);
}
.ab-story-media figcaption{
  margin-top:16px;text-align:center;font-size:13px;color:var(--gray);letter-spacing:1px;
}
.ab-story-copy h2{margin:10px 0 20px;letter-spacing:1px}
.ab-story-copy p{font-size:15.5px;line-height:2;margin-bottom:16px}
.ab-story-copy a{color:var(--gold-3);border-bottom:1px solid var(--gold)}

/* ---------- 办公拼贴 ---------- */
.ab-gallery-grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:20px;
}
.ab-g{
  position:relative;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.ab-g img{width:100%;height:100%;object-fit:cover}
.ab-g figcaption{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(0deg,rgba(20,22,26,.82),transparent);
  color:#EDE7D6;font-size:12.5px;padding:26px 16px 12px;letter-spacing:1px;
}
.ab-g-main{grid-row:span 2;min-height:420px}
.ab-g-main img{height:100%}
.ab-g:not(.ab-g-main):not(.ab-g-wide){min-height:200px}
.ab-g-wide{grid-column:span 2;min-height:240px}

/* ---------- 大引言 ---------- */
.ab-philosophy{position:relative;text-align:center}
.ab-philosophy-inner{position:relative;z-index:2;max-width:860px;margin:0 auto}
.ab-quote-mark{
  display:block;font-family:var(--font-serif);font-size:72px;color:var(--gold);
  line-height:.6;margin-bottom:20px;
}
.ab-philosophy blockquote{
  font-family:var(--font-serif);font-size:24px;line-height:2.1;color:#F0EBDD;
  letter-spacing:2px;margin-bottom:24px;
}
.ab-philosophy-sign{
  font-size:13px;letter-spacing:3px;color:var(--gold-2);
}

/* ---------- 资质 ---------- */
.ab-honor{background:var(--white)}
.ab-honor-inner{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}
.ab-honor-media img{
  width:100%;border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.ab-honor-copy h2{margin:10px 0 18px}
.ab-honor-copy p{font-size:15px;line-height:2;margin-bottom:14px}
.ab-honor-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.ab-honor-tags span{
  font-size:13px;letter-spacing:1px;color:var(--gold-3);
  border:1px solid rgba(195,164,104,.45);border-radius:30px;
  padding:6px 16px;background:var(--gold-soft);
}

/* ---------- 服务区域 ---------- */
.ab-region-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ab-region-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:30px 28px;box-shadow:var(--shadow-soft);
  transition:all .35s ease;border-top:3px solid var(--gold);
}
.ab-region-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ab-region-card h3{font-size:20px;margin-bottom:12px;color:var(--gold-3)}
.ab-region-card p{font-size:14px;color:var(--gray);line-height:1.9}
.ab-region-cta{
  text-align:center;margin-top:36px;font-size:15px;color:var(--ink-2);
}
.ab-region-cta a{color:var(--gold-3);border-bottom:1px solid var(--gold)}

/* ---------- CTA ---------- */
.ab-cta{
  background:linear-gradient(160deg,#26292F,#1B1E23);
  padding:90px 0;position:relative;overflow:hidden;
}
.ab-cta-inner{text-align:center;position:relative;z-index:2}
.ab-cta-inner h2{color:#fff;font-size:30px;letter-spacing:2px;margin-bottom:16px}
.ab-cta-inner p{color:#C6C2B4;max-width:640px;margin:0 auto 28px}
.ab-cta-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.ab-cta-line{border-color:rgba(217,190,133,.5);color:#E9DDBE}
.ab-cta-line:hover{background:var(--gold-soft);color:#fff;border-color:var(--gold-2)}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .ab-story-inner,.ab-honor-inner{grid-template-columns:1fr;gap:36px}
  .ab-gallery-grid{grid-template-columns:1fr}
  .ab-g-main{grid-row:auto;min-height:260px}
  .ab-g-wide{grid-column:auto}
  .ab-region-grid{grid-template-columns:1fr;gap:18px}
  .ab-philosophy blockquote{font-size:19px}
}
@media (max-width:640px){
  .ab-philosophy blockquote{font-size:17px;letter-spacing:1px}
}