/* ===== About page redesign — 依赖 site-common 的 ix-head / page-hero ===== */

/* ===== 公司简介：大图叠小图 + 右侧文案 + 底部深蓝数据带 ===== */
.ab-intro{
  background:#fff;
  position:relative;
  overflow:visible;
}
.ab-intro-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:64px;
  align-items:center;
  margin-bottom:56px;
}
.ab-intro-media{min-width:0;padding:0 20px 28px 0}
.ab-intro-frame{
  position:relative;
  border-radius:4px 24px 4px 24px;
  background:linear-gradient(145deg,#001f66,#0033aa);
  padding:14px;
}
.ab-intro-main-img{
  width:100%;
  height:520px;
  object-fit:cover;
  display:block;
  border-radius:2px 16px 2px 16px;
}
.ab-intro-badge{
  position:absolute;
  left:36px;
  bottom:36px;
  z-index:3;
  background:#fff;
  color:var(--dark);
  padding:20px 22px;
  border-radius:4px;
  box-shadow:0 16px 40px rgba(0,0,0,.18);
  min-width:120px;
}
.ab-intro-badge b{
  display:block;
  font-size:36px;
  font-weight:900;
  color:var(--blue);
  line-height:1;
  letter-spacing:-1px;
}
.ab-intro-badge span{
  display:block;
  font-size:12px;
  color:var(--text-2);
  margin-top:6px;
  font-weight:600;
  letter-spacing:.5px;
}
.ab-intro-inset{
  position:absolute;
  right:-20px;
  bottom:-24px;
  width:42%;
  max-width:250px;
  border-radius:4px 16px 4px 16px;
  overflow:hidden;
  border:6px solid #fff;
  box-shadow:0 20px 50px rgba(15,23,42,.2);
  z-index:4;
  background:#fff;
}
.ab-intro-inset img{
  width:100%;
  height:170px;
  object-fit:cover;
  display:block;
}
.ab-intro-content{min-width:0;padding:8px 0}
.ab-intro-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--blue);
}
.ab-intro-label i{
  display:block;
  width:28px;
  height:2px;
  background:var(--blue);
  border-radius:1px;
}
.ab-intro-title{
  font-size:clamp(30px,2.8vw,42px);
  font-weight:900;
  color:var(--dark);
  line-height:1.2;
  margin:0 0 14px;
  letter-spacing:-.8px;
}
.ab-intro-lead{
  font-size:16px;
  font-weight:600;
  color:var(--blue);
  margin:0 0 22px;
  line-height:1.6;
}
.ab-intro-text{margin-bottom:28px}
.ab-intro-text p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.95;
  margin:0 0 12px;
}
.ab-intro-text p:last-child{margin-bottom:0}
.ab-intro-actions{display:flex;gap:12px;flex-wrap:wrap}
.ab-intro-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:linear-gradient(135deg,#0F172A 0%,#0033aa 100%);
  border-radius:16px;
  overflow:hidden;
}
.ab-intro-bar-item{
  padding:36px 24px;
  text-align:center;
  color:#fff;
  border-right:1px solid rgba(255,255,255,.12);
  transition:background .3s;
}
.ab-intro-bar-item:last-child{border-right:none}
.ab-intro-bar-item:hover{background:rgba(255,255,255,.08)}
.ab-intro-bar-item b{
  display:block;
  font-size:34px;
  font-weight:900;
  line-height:1;
  margin-bottom:10px;
  letter-spacing:-.5px;
}
.ab-intro-bar-item b em{
  font-style:normal;
  font-size:15px;
  font-weight:700;
  margin-left:2px;
  opacity:.85;
}
.ab-intro-bar-item span{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.7);
  letter-spacing:.5px;
}

/* ===== 核心优势 ===== */
.ab-adv{background:linear-gradient(180deg,#f5f7fb 0%,#eef2f8 100%)}
.ab-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ab-adv-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px 22px;transition:var(--tr);position:relative;overflow:hidden}
.ab-adv-card::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue-l));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.ab-adv-card:hover{transform:translateY(-8px);box-shadow:0 20px 48px rgba(0,51,170,.12);border-color:transparent}
.ab-adv-card:hover::after{transform:scaleX(1)}
.ab-adv-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.ab-adv-icon{width:52px;height:52px;border-radius:14px;background:var(--blue-bg);display:flex;align-items:center;justify-content:center;transition:var(--tr)}
.ab-adv-card:hover .ab-adv-icon{background:var(--blue)}
.ab-adv-icon i{font-size:24px;color:var(--blue);transition:var(--tr)}
.ab-adv-card:hover .ab-adv-icon i{color:#fff}
.ab-adv-idx{font-size:13px;font-weight:800;letter-spacing:.15em;color:var(--text-3)}
.ab-adv-num{font-size:42px;font-weight:900;color:var(--dark);line-height:1;margin-bottom:10px;letter-spacing:-1px}
.ab-adv-num sup{font-size:16px;color:var(--blue);font-weight:700;margin-left:2px}
.ab-adv-name{font-size:16px;font-weight:800;color:var(--dark);margin:0 0 10px}
.ab-adv-desc{font-size:13px;color:var(--text-2);line-height:1.75;margin:0}

/* ===== 企业文化 ===== */
.ab-culture{background:linear-gradient(160deg,#071022 0%,#0f1f4a 50%,#0a1634 100%);padding:100px 0;position:relative;overflow:hidden}
.ab-culture::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 50% 60% at 85% 15%,rgba(51,102,204,.25),transparent 55%);pointer-events:none}
.ab-culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;z-index:1}
.ab-culture-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:36px 28px;text-align:center;backdrop-filter:blur(8px);transition:var(--tr)}
.ab-culture-card:hover{background:rgba(255,255,255,.1);border-color:rgba(51,102,204,.4);transform:translateY(-8px)}
.ab-culture-icon{width:68px;height:68px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;transition:var(--tr)}
.ab-culture-card:hover .ab-culture-icon{background:var(--blue);border-color:var(--blue-l)}
.ab-culture-icon i{font-size:30px;color:rgba(255,255,255,.85)}
.ab-culture-card h3{font-size:20px;font-weight:800;color:#fff;margin:0 0 12px}
.ab-culture-card p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.85;margin:0}

/* ===== 发展历程：横向 ===== */
.ab-hist{background:linear-gradient(160deg,#071022 0%,#122552 45%,#0a1634 100%);padding:100px 0;position:relative;overflow:hidden}
.ab-hist-wrap{position:relative;z-index:1;margin-top:40px;padding-bottom:16px}
.ab-hist-line{position:absolute;top:14px;left:0;right:0;height:1px;background:rgba(255,255,255,.1);overflow:hidden}
.ab-hist-line i{display:block;height:100%;width:0;background:linear-gradient(to right,rgba(255,255,255,.2),var(--blue-l),rgba(255,255,255,.5));transition:width 1.6s cubic-bezier(.4,0,.2,1)}
.ab-hist-line i.run{width:100%}
.ab-hist-slide{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.ab-hist-slide.appear{opacity:1;transform:none}
.ab-hist-dot{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.15);border:2px solid rgba(255,255,255,.3);margin-bottom:22px;position:relative;z-index:1}
.ab-hist-slide.appear .ab-hist-dot{background:var(--blue);border-color:#fff;box-shadow:0 0 0 5px rgba(0,51,170,.28),0 0 18px rgba(0,51,170,.45)}
.ab-hist-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:18px 16px;min-height:148px;transition:var(--tr)}
.ab-hist-slide:hover .ab-hist-card{background:rgba(255,255,255,.09);border-color:rgba(51,102,204,.4);transform:translateY(-4px)}
.ab-hist-card time{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:#A8C4F0;background:rgba(0,51,170,.25);border:1px solid rgba(51,102,204,.35);padding:4px 10px;border-radius:4px;margin-bottom:12px}
.ab-hist-card h3{font-size:17px;font-weight:800;color:#fff;margin:0 0 8px;line-height:1.3}
.ab-hist-card p{font-size:12px;color:rgba(255,255,255,.5);line-height:1.75;margin:0}

/* ===== 荣誉资质 ===== */
.ab-honor{background:#fff}
.ab-honor-wrap{position:relative;padding:0 48px}
.ab-honor-item{border-radius:14px;overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:0 4px 20px rgba(15,23,42,.06);transition:var(--tr)}
.ab-honor-item:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(15,23,42,.1)}
.ab-honor-item img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}
.ab-honor-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--border);box-shadow:0 8px 24px rgba(15,23,42,.1);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:24px;line-height:1;z-index:10;transition:var(--tr)}
.ab-honor-nav:hover{background:var(--blue);color:#fff;border-color:transparent}
.ab-honor-prev{left:0}
.ab-honor-next{right:0}

/* ===== 团队风采 ===== */
.ab-team{background:linear-gradient(180deg,#f5f7fb 0%,#eef2f8 100%)}
.ab-team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ab-team-card{border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--border);transition:var(--tr)}
.ab-team-card:hover{transform:translateY(-8px);box-shadow:0 22px 50px rgba(15,23,42,.1);border-color:transparent}
.ab-team-photo{position:relative;height:260px;overflow:hidden}
.ab-team-photo img{width:100%;height:100%;object-fit:cover;transition:transform .65s ease}
.ab-team-card:hover .ab-team-photo img{transform:scale(1.06)}
.ab-team-veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,16,40,.45),transparent 55%);opacity:.6}
.ab-team-body{padding:22px 22px 26px}
.ab-team-body h3{font-size:18px;font-weight:800;color:var(--dark);margin:0 0 6px}
.ab-team-body span{display:block;font-size:13px;font-weight:700;color:var(--blue);margin-bottom:10px}
.ab-team-body p{font-size:13px;color:var(--text-2);line-height:1.75;margin:0}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .ab-adv-grid{grid-template-columns:repeat(2,1fr)}
  .ab-intro-layout{gap:40px}
  .ab-intro-main-img{height:440px}
}
@media (max-width:992px){
  .ab-intro-layout{grid-template-columns:1fr;gap:40px}
  .ab-intro-media{padding:0 0 32px}
  .ab-intro-main-img{height:360px}
  .ab-intro-inset{right:16px;bottom:-20px;width:38%;max-width:200px}
  .ab-intro-inset img{height:140px}
  .ab-intro-bar{grid-template-columns:repeat(2,1fr)}
  .ab-intro-bar-item{border-bottom:1px solid rgba(255,255,255,.12)}
  .ab-intro-bar-item:nth-child(2n){border-right:none}
  .ab-culture-grid{grid-template-columns:1fr}
  .ab-team-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .ab-intro-main-img{height:280px}
  .ab-intro-badge{left:20px;bottom:20px;padding:14px 16px}
  .ab-intro-badge b{font-size:28px}
  .ab-intro-inset{display:none}
  .ab-intro-bar-item{padding:28px 16px}
  .ab-intro-bar-item b{font-size:26px}
  .ab-adv-grid{grid-template-columns:1fr 1fr;gap:12px}
  .ab-adv-card{padding:20px 16px}
  .ab-adv-num{font-size:32px}
  .ab-hist{padding:64px 0}
  .ab-hist-card{min-height:0;padding:14px 12px}
  .ab-honor-wrap{padding:0 36px}
  .ab-team-grid{grid-template-columns:1fr}
  .ab-team-photo{height:220px}
  .ab-culture{padding:64px 0}
}
@media (max-width:480px){
  .ab-adv-grid{grid-template-columns:1fr}
}