/* ---------- 首页行业解决方案（对齐 www.mail163.com） ---------- */
.solutions-section{
  padding:80px 0;
  background:#fff;
}
.solutions-section .section-title{
  font-weight:500;
  font-size:32px;
  line-height:45px;
  color:#111f33;
  margin-bottom:0;
}
.solutions-section .section-subtitle{
  margin-top:8px;
  margin-bottom:0;
  font-size:16px;
  color:#4e5a70;
}
.solutions-section .section-subtitle strong{font-weight:500;color:#232d47}

/* Tab 导航 */
.solutions-tabs{
  display:flex;
  flex-wrap:nowrap;
  justify-content:space-between;
  gap:0;
  margin-top:25px;
  margin-bottom:24px;
  padding:0 26px;
}
.solutions-tab{
  flex:0 1 auto;
  height:40px;
  padding:0 4px;
  font-size:20px;
  font-weight:500;
  line-height:40px;
  color:#4e5a70;
  background:transparent;
  border-radius:0;
  cursor:pointer;
  position:relative;
  transition:color 0.3s ease;
  white-space:nowrap;
}
.solutions-tab:hover{color:var(--primary)}
.solutions-tab.active{color:var(--primary)}
.solutions-tab.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:34px;
  height:4px;
  margin-left:-17px;
  background:var(--primary);
  border-radius:2px;
}

/* 内容面板 */
.solution-panel{display:none}
.solution-panel.active{display:block;animation:fadeInUp 0.4s ease}

.solution-card{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  min-height:426px;
}
.solution-card-media{
  position:absolute;
  top:0;
  left:0;
  width:588px;
  height:426px;
  border-radius:4px;
  overflow:hidden;
  background:#555;
}
.solution-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.solution-card-body{
  position:relative;
  margin-left:634px;
  min-height:426px;
  padding:12px 0 0;
  display:flex;
  flex-direction:column;
}
.solution-card-body h3{
  width:552px;
  max-width:100%;
  font-size:24px;
  font-weight:500;
  line-height:38px;
  color:#232d47;
  margin:0 0 0;
}
.solution-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  min-height:40px;
  margin:0;
  padding:7px 0;
}
.solution-tags span{
  display:inline-block;
  height:25px;
  line-height:25px;
  padding:0 8px;
  margin:5px 10px 5px 0;
  font-size:14px;
  color:#e5a344;
  background:#fff0db;
  border-radius:4px;
}
.solution-tags span:last-child{margin-right:0}

.solution-desc{
  margin-top:30px;
  flex:1;
}
.solution-body-logo{
  display:block;
  width:100%;
  max-width:552px;
  height:48px;
  object-fit:contain;
  object-position:left center;
}
.solution-desc p{
  margin-top:12px;
  font-size:16px;
  line-height:28px;
  color:#4e5a70;
}

.solution-actions{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:8px;
  margin-top:auto;
  padding-top:56px;
}
.solution-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:112px;
  height:40px;
  font-size:16px;
  font-weight:400;
  line-height:38px;
  text-align:center;
  border-radius:4px;
  transition:var(--transition);
  box-sizing:border-box;
}
.solution-btn--outline{
  color:var(--primary);
  border:1px solid var(--primary);
  background:#fff;
}
.solution-btn--outline:hover{
  background:var(--primary-light);
  color:var(--primary);
}
.solution-btn--primary{
  color:#fff;
  background:var(--primary);
  border:1px solid var(--primary);
}
.solution-btn--primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
}