.contact-cards{
  position:relative;
  padding:96px 0 60px;
  background:var(--bg-soft);
  overflow:hidden;
}
.contact-cards::before{
  content:"";position:absolute;top:-220px;left:50%;
  transform:translateX(-50%);
  width:1000px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,184,169,.09),transparent 68%);
}

.cards-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;
}

.card-item{
  position:relative;overflow:hidden;
  border-radius:22px;
  padding:36px 28px 32px;
  display:flex;flex-direction:column;
  color:#fff;

  /* —— 渐变背景 + 动画（承接原公司信息卡片） —— */
  background:var(--cc,var(--grad-main));
  background-size:200% 100%;
  animation:gradShift 10s ease-in-out infinite;
  box-shadow:0 18px 44px rgba(15,108,189,.22);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}

/* 浮动光斑 1：右上 */
.card-item::before{
  content:"";position:absolute;top:-90px;right:-60px;
  width:230px;height:230px;border-radius:50%;
  background:rgba(255,255,255,.16);
  pointer-events:none;
  transition:transform .8s var(--ease);
}
/* 浮动光斑 2：左下 */
.card-item::after{
  content:"";position:absolute;bottom:-110px;left:-50px;
  width:210px;height:210px;border-radius:50%;
  background:rgba(255,255,255,.1);
  pointer-events:none;
  transition:transform .8s var(--ease);
}
.card-item:hover{
  transform:translateY(-10px);
  box-shadow:0 28px 60px rgba(15,108,189,.32);
}
.card-item:hover::before{transform:scale(1.12) translate(-8px,8px);}
.card-item:hover::after{transform:scale(1.1) translate(10px,-8px);}

/* 图标：半透明白底 + 白色描边 */
.card-item .ci-icon{
  position:relative;z-index:2;
  width:62px;height:62px;border-radius:18px;
  display:grid;place-items:center;margin-bottom:22px;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:.4s var(--ease);
}
.card-item .ci-icon svg{
  width:28px;height:28px;
  stroke:#fff;stroke-width:1.9;fill:none;
  stroke-linecap:round;stroke-linejoin:round;
  transition:.4s var(--ease);
}
.card-item:hover .ci-icon{
  background:rgba(255,255,255,.32);
  transform:rotate(-6deg) scale(1.06);
}

/* 文字：全部白色系 */
.card-item .ci-tag{
  position:relative;z-index:2;
  font-size:11px;font-weight:900;letter-spacing:2.4px;
  color:rgba(255,255,255,.78);
  margin-bottom:8px;text-transform:uppercase;
}
.card-item h3{
  position:relative;z-index:2;
  font-size:17.5px;font-weight:900;
  margin-bottom:12px;letter-spacing:-.2px;
  color:#fff;
}
.card-item .ci-value{
  position:relative;z-index:2;
  font-size:16px;font-weight:900;color:#fff;
  line-height:1.55;word-break:break-all;
  margin-bottom:8px;
}
.card-item .ci-value.small{
  font-size:13.5px;font-weight:700;
  color:rgba(255,255,255,.92);
}
.card-item .ci-desc{
  position:relative;z-index:2;
  font-size:13px;color:rgba(255,255,255,.82);
  line-height:1.72;flex:1;
}

/* 底部链接 */
.card-item .ci-link{
  position:relative;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  margin-top:20px;
  font-size:13px;font-weight:900;
  color:#fff;
  transition:.25s;
}
.card-item .ci-link svg{
  width:13px;height:13px;stroke:currentColor;stroke-width:2.4;
  fill:none;stroke-linecap:round;stroke-linejoin:round;
  transition:.25s;
}
.card-item .ci-link:hover{gap:10px;}

/* 分隔细线（装饰） */
.card-item .ci-link::before{
  content:"";position:absolute;left:0;top:-14px;
  width:36px;height:2px;border-radius:2px;
  background:rgba(255,255,255,.45);
  transition:width .45s var(--ease);
}
.card-item:hover .ci-link::before{width:64px;}

/* ============================================================
   PART 3 · 地图区域
   ============================================================ */
.contact-map{
  position:relative;
  padding:44px 0 104px;
  background:var(--bg-soft);
}
.map-box{
  position:relative;overflow:hidden;
  border-radius:26px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.map-box::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad-main);z-index:3;
}
.map-frame{
  display:block;width:100%;height:420px;
  border:0;
}
/* 无地图 api 时的占位样式 */
.map-placeholder{
  width:100%;height:420px;
  display:grid;place-items:center;
  background:
    radial-gradient(circle at 30% 40%,rgba(15,108,189,.06),transparent 60%),
    radial-gradient(circle at 70% 60%,rgba(255,122,26,.06),transparent 60%),
    #F0F5FB;
  position:relative;overflow:hidden;
}
.map-placeholder::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,108,189,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,108,189,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.map-placeholder .mp-inner{
  position:relative;z-index:2;
  text-align:center;padding:0 24px;
}
.map-placeholder .mp-icon{
  width:64px;height:64px;border-radius:18px;
  margin:0 auto 16px;
  display:grid;place-items:center;
  background:var(--grad-main);
  box-shadow:0 12px 30px rgba(15,108,189,.28);
}
.map-placeholder .mp-icon svg{
  width:28px;height:28px;stroke:#fff;stroke-width:2;
  fill:none;stroke-linecap:round;stroke-linejoin:round;
}
.map-placeholder b{
  display:block;font-size:17px;font-weight:900;
  color:var(--text);margin-bottom:8px;
}
.map-placeholder span{
  display:block;font-size:13.5px;color:var(--text2);
  line-height:1.7;max-width:420px;margin:0 auto;
}

/* ============================================================
   PART 4 · 响应式
   ============================================================ */
@media (max-width:1120px){
  .cards-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:980px){
  .contact-cards{padding:74px 0 46px;}
  .map-box img {
    height: 600px;
    object-fit: cover;
  }
}

@media (max-width:740px){
  .contact-cards{padding:60px 0 34px;}
  .contact-map{padding:30px 0 74px;}

  .cards-grid{grid-template-columns:1fr;gap:18px;}

  .map-frame,.map-placeholder{height:320px;}
  .map-box img {
    height: 400px;
    object-fit: cover;
  }
}

@media (max-width:430px){
  .card-item{padding:30px 22px 26px;}
}

/* 降低动效偏好 */
@media (prefers-reduced-motion:reduce){
  .card-item{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
  }
}