/* ==========================================================================
   about.css —— 关于我们页样式
   布局：斜切渐变 hero / 图文左右交叠创始叙事 / 非对称价值观四宫格 /
        数据里程碑条 / 荣誉墙 / 服务承诺 / 底部 CTA
   作用域统一以 .pg-about 包裹，避免污染全局
   ========================================================================== */

/* ---------- 1. 斜切渐变 Hero ---------- */
.ab-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--nav-h) + clamp(70px,9vw,110px)) 0 clamp(70px,8vw,110px);
  background:
    linear-gradient(115deg,
      rgba(155,138,234,.95) 0%,
      rgba(255,126,188,.92) 52%,
      rgba(143,208,247,.90) 100%);
  clip-path:polygon(0 0,100% 0,100% 88%,0 100%);
}
.ab-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 85% 20%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(420px 260px at 10% 90%,rgba(255,255,255,.22),transparent 60%);
  pointer-events:none;
}
.ab-hero .container{position:relative;z-index:2}
.ab-hero .crumbs{color:rgba(255,255,255,.85)}
.ab-hero .crumbs a{color:#fff}
.ab-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.28;color:#fff;letter-spacing:1px;
  margin:18px 0 16px;
}
.ab-hero h1 .grad-text{
  background:linear-gradient(90deg,#fff,#EDE6FC);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.ab-sub{
  color:rgba(255,255,255,.95);font-size:clamp(15px,1.5vw,17px);
  max-width:720px;line-height:1.9;
}
.ab-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.ab-hero-cta .btn-ghost{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.5)}
.ab-hero-cta .btn-ghost:hover{background:rgba(255,255,255,.3)}

/* ---------- 2. 图文交叠创始叙事 ---------- */
.ab-story-row{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);
  align-items:center;margin-bottom:clamp(48px,7vw,90px);
}
.ab-story-row.flip .ab-story-txt{order:2}
.ab-story-row.flip .ab-float-img{order:1;left:auto;right:0}
.ab-float-img{
  position:relative;margin:0;
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.ab-float-img.left{left:-30px}
.ab-float-img.right{right:-30px}
.ab-float-img img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease}
.ab-float-img:hover img{transform:scale(1.05)}
.ab-float-img figcaption{
  position:absolute;left:14px;bottom:14px;
  font-size:13px;color:#fff;background:rgba(58,53,80,.6);
  padding:6px 14px;border-radius:var(--r-full);backdrop-filter:blur(6px);
}
.ab-story-txt h3{font-size:clamp(21px,2.4vw,28px);margin:16px 0 14px}
.ab-story-txt p{margin-bottom:14px;color:var(--ink-2)}
.ab-more{
  display:inline-flex;align-items:center;gap:7px;margin-top:8px;
  color:var(--purple-deep);font-weight:600;font-size:15px;
}
.ab-more svg{width:16px;height:16px;transition:transform .3s}
.ab-more:hover svg{transform:translateX(5px)}

/* ---------- 3. 非对称价值观四宫格 ---------- */
.ab-value-grid{
  display:grid;grid-template-columns:1.6fr 1fr;grid-auto-rows:minmax(200px,auto);
  gap:22px;
}
.ab-value{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s,border-color .35s;
}
.ab-value:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--purple-soft)}
.ab-value.v-main{grid-row:span 2;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(150deg,#EDE6FC,#FDF1F8)}
.ab-value h3{font-size:20px;margin:14px 0 10px}
.ab-value.v-main h3{font-size:26px}
.ab-value p{font-size:14.5px;color:var(--ink-2)}
.ab-value .v-ico{
  display:inline-flex;width:52px;height:52px;border-radius:16px;
  align-items:center;justify-content:center;
  background:var(--grad-purple);color:#fff;
}
.ab-value.v-main .v-ico{width:64px;height:64px}
.ab-value .v-ico svg{width:26px;height:26px}
.ab-value .tag{align-self:flex-start;margin-top:14px}

/* ---------- 4. 数据里程碑条 ---------- */
.ab-metrics{
  padding:clamp(40px,5vw,64px) 0;
  background:var(--grad-brand);
}
.ab-metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.ab-metric .num{
  font-size:clamp(34px,4.4vw,54px);font-weight:800;color:#fff;line-height:1.1;
}
.ab-metric .lbl{color:rgba(255,255,255,.92);font-size:14px;margin-top:8px}

/* ---------- 5. 荣誉墙 ---------- */
.ab-honor-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(26px,4vw,50px);align-items:center}
.ab-honor-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.ab-honor-img img{width:100%;height:420px;object-fit:cover}
.ab-honor-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ab-honor{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;transition:transform .35s,box-shadow .35s;
}
.ab-honor:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}
.ab-honor .h-ico{
  display:inline-flex;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  background:var(--pink-soft);color:var(--pink-deep);
}
.ab-honor .h-ico svg{width:22px;height:22px}
.ab-honor h3{font-size:16px;margin:12px 0 6px}
.ab-honor p{font-size:13.5px;color:var(--ink-3)}

/* ---------- 6. 服务承诺 ---------- */
.ab-promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ab-p-item{padding:30px 26px;position:relative;overflow:hidden}
.ab-p-item .p-num{
  font-size:46px;font-weight:800;line-height:1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.ab-p-item h3{font-size:19px;margin:14px 0 8px}
.ab-p-item p{font-size:14.5px;color:var(--ink-2)}

/* ---------- 7. 底部 CTA ---------- */
.ab-cta{
  padding:clamp(60px,8vw,100px) 0;text-align:center;
  background:linear-gradient(150deg,#EDE6FC,#DDF1FD);
}
.ab-cta h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.ab-cta p{margin-bottom:26px;color:var(--ink-3)}
.ab-cta .btn{margin:0 6px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .ab-story-row{grid-template-columns:1fr;gap:20px}
  .ab-story-row.flip .ab-story-txt{order:0}
  .ab-float-img.left,.ab-float-img.right{left:0;right:0}
  .ab-float-img img{height:300px}
  .ab-value-grid{grid-template-columns:1fr 1fr}
  .ab-value.v-main{grid-column:span 2;grid-row:auto}
  .ab-honor-wrap{grid-template-columns:1fr}
  .ab-honor-img img{height:300px}
}
@media (max-width:768px){
  .ab-metric-row{grid-template-columns:1fr 1fr;gap:28px 16px}
  .ab-promise-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .ab-hero{clip-path:none;padding-bottom:60px}
  .ab-value-grid{grid-template-columns:1fr}
  .ab-value.v-main{grid-column:auto}
  .ab-honor-grid{grid-template-columns:1fr}
  .ab-metric .num{font-size:30px}
}

/* ---------- 新板块：服务承诺条 ---------- */
.ab-bar-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ab-bar-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px;transition:transform .35s,box-shadow .35s}
.ab-bar-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.ab-bar-ico{display:inline-flex;width:48px;height:48px;border-radius:14px;align-items:center;justify-content:center;background:var(--grad-purple);color:#fff;margin-bottom:12px}
.ab-bar-item:nth-child(2) .ab-bar-ico{background:var(--grad-pink)}
.ab-bar-item:nth-child(3) .ab-bar-ico{background:var(--grad-blue)}
.ab-bar-ico svg{width:24px;height:24px}
.ab-bar-item h3{font-size:17px;margin-bottom:6px}
.ab-bar-item p{font-size:13.5px;color:var(--ink-3)}

/* ---------- 新板块：公司大事记纵向时间轴 ---------- */
.ab-event-list{max-width:760px;margin:0 auto;position:relative;padding-left:30px}
.ab-event-list::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:var(--grad-purple);border-radius:3px}
.ab-event{position:relative;padding:0 0 26px 20px}
.ab-event::before{content:"";position:absolute;left:-29px;top:6px;width:15px;height:15px;border-radius:50%;background:#fff;border:4px solid var(--purple);box-shadow:0 0 0 5px var(--purple-mist)}
.ab-event-year{display:inline-block;font-size:14px;font-weight:800;color:var(--pink-deep);background:var(--pink-soft);padding:3px 14px;border-radius:var(--r-full);margin-bottom:8px}
.ab-event-body h3{font-size:18px;margin-bottom:6px}
.ab-event-body p{font-size:14.5px;color:var(--ink-2)}

@media (max-width:1024px){.ab-bar-row{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.ab-bar-row{grid-template-columns:1fr}}