.solution-title {
       
        font-weight: bold;
     
       
        animation: fadeIn 1.2s ease-out;
      }
        .next_body{
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #f5f7fa;
        }

      /* 页面二：背景 + 导航栏 */
      .section-2 {
        height: 700px;
        background: #eaeaea;
        padding: 80px 0;
        display: flex;
        justify-content: center;
        width: 1200px;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
          transform: translateY(20px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      /*导航栏背景*/
      .solution-container {
        display: flex;
        width: 85%;
        position: relative;
        background-color: #ffffff;
        padding: 50px;
        border-radius: 8px;
        box-sizing: border-box;
        max-height: 650px;
        max-width: 1750px;
        box-shadow:
          0 4px 8px rgba(0, 0, 0, 0.1),
          inset 0 1px 0 rgba(255, 255, 255, 0.7),
          inset 0 -1px 0 rgba(0, 0, 0, 0.05);
        border: 1px solid rgba(255, 255, 255, 1.8);
      }

      /*竖线*/
      .solution-container::before {
        content: "";
        position: absolute;
        top: 5%;
        height: 560px;
        left: 340px;
        width: 1.5px;
        background-color: #0057ae;
      }

      .solution-menu {
        width: 330px;
        background-color: #c0d3ed;
        padding: 0;
        border-radius: 8px;
        display: flex;
        flex-direction: column;
        gap: 20px;
        height: 566px;
        width: 208px;
      }

      .menu-item {
        font-family: "DengXian", "Microsoft YaHei", sans-serif;
        font-size: 20px;
        text-align: center;
        justify-content: center; /* 水平居中 */
        letter-spacing: 2px;
        width: 100%;
        padding: 22px 20px;
        background-color: #c0d3ed; /* 左边导航栏没有点击时候 */
        border-radius: 6px;
        box-sizing: border-box;
        transition: all 0.3s ease;
        position: relative;
        color: #0057ae;
      }

      .menu-item:hover {
        background-color: #0057ae;
        transform: translateX(-8px);
        color: #ffffff;
      }

      /* 导航栏右侧内容 */
      .solution-content {
        width: 100%;
        padding-left: 100px;
        color: #2674c3;
      }

      .t1-text {
        color: #0057ae;
        font-size: 25px;
        font-weight: bold;
        font-family: "Microsoft YaHei", sans-serif;
      }

      .t2-text {
        color: #0057ae;
        font-size: 22px;
        line-height: 2;
        font-family: "Arial", sans-serif;
        line-height: 1;
        letter-spacing: 2px;
      }

      .t3-text {
        color: #0057ae;
        line-height: 5;
        font-size: 18px;
        font-family: "DengXian", sans-serif;
        line-height: 2;
        letter-spacing: 2px;
      }

      .scroll-reveal.visible {
        opacity: 1;
        transform: translateY(0);
      }

      .content-item {
  display: none;
  font-size: 16px;
  line-height: 1.8;

  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.content-item.active {
  display: block;
}

/* 激活动画真正触发的 class */
.content-item.show {
  opacity: 1;
  transform: translateY(0);
}


      .common_banner {
    width: 100%;
    min-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    min-height: 440px;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    height: 515px;
}

/* 模糊背景层 */
.common_banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: inherit;
    background-size: cover;
    background-position: 50% 50%;
    filter: blur(5px);
    transform: scale(1.3); /* ★ 关键：扩大背景，避免两端露白 */
    z-index: 0;
}

/* 内容保持清晰 */
.common_banner > * {
    animation: fadeIn 1.2s ease-out;
    z-index: 1;
}
.brlink {
    clear: both;
    margin: 10px 0;
    font-size: 18px;
    padding: 8px 40px;
    display: inline-block;
    border-radius: 5px;
    background: #fff;
    color: #4E67AA;
    text-align: center;
    cursor: pointer;
    transition: all .3s ease;
}

.brlink:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
.solution-showcase {
  padding: 40px;
  background-color: #f5f7fa;
  width: 1200px;
}

.solution-title {
  font-size: 28px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
}

.solution-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.solution-card {
  background-color: #ffffff;
  border-radius: 8px;
  width: 280px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

/* 悬停时卡片放大并展开 */
.solution-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* 悬停时显示更多文字 */
.solution-summary {
  max-height: 60px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.solution-card:hover .solution-summary {
  max-height: 200px; /* 展开更多内容 */
}

.solution-tag {
  font-size: 14px;
  color: #888;
  margin-bottom: 10px;
}

.solution-name {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.solution-summary {
  font-size: 14px;
  color: #555;
  margin-bottom: 15px;
}

.solution-link {
  display: inline-block;
  padding: 8px 16px;
  background-color: #0052d9;
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.solution-link:hover {
  background-color: #003a9c;
}
/* ============================
   企业站主题色
============================ */
:root {
  --primary: #0078d7;
  --primary-light: #3f7be0;
  --text-dark: #2c3e50;
  --text-light: #6b7b8c;
  --bg-light: #f5f7fa;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity .35s ease, transform .35s ease;
}

.fade-enter,
.fade-leave-to {
  opacity: 0;
  transform: translateY(6px);
}

.solutions {
  margin: 60px auto;
  max-width: 1200px;
  padding: 0 20px;
}

/* ============================
   左侧菜单（Element UI 强化）
============================ */
.solution-menu {
  padding-right: 25px;
}

.el-menu {
  border-right: none !important;
  background: transparent !important;
}

.el-menu-item {
  font-size: 16px;
  color: var(--text-dark) !important;
  height: 48px;
  line-height: 48px;
  border-radius: 6px;
  margin-bottom: 6px;
  transition: all 0.25s ease;
  font-weight: bold;
}

.el-menu-item:hover {
  background: var(--bg-light) !important;
  color: var(--primary) !important;
  transform: translateX(4px);
}

.el-menu-item.is-active {
  background: linear-gradient(90deg, var(--primary), var(--primary-light)) !important;
  color: #fff !important;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(30, 79, 156, 0.25);
  transform: translateX(4px);
}

/* ============================
   右侧内容卡片
============================ */
.solution-content {
  padding-left: 25px;
  position: relative;
}

.el-card {
  border-radius: 12px !important;
  padding: 30px !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06) !important;
  transition: all 0.35s ease;
  background: #fff;
  width: 600px;
  height: 504px;
}

.el-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12) !important;
}

/* ============================
   标题样式
============================ */
.title {
  font-size: 26px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 25px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  letter-spacing: 0.5px;
}

/* ============================
   内容块
============================ */
.content-block {
  margin-bottom: 28px;
  animation: fadeUp 0.6s ease forwards;
  opacity: 0;
}

.content-block:nth-child(1) { animation-delay: 0.1s; }
.content-block:nth-child(2) { animation-delay: 0.2s; }
.content-block:nth-child(3) { animation-delay: 0.3s; }
.content-block:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

.content-block h4 {
  font-size: 18px;
  color: var(--text-dark);
  margin-bottom: 6px;
  font-weight: 600;
}

.content-block p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  padding-left: 6px;
  border-left: 2px solid var(--bg-light);
}
.solution-content .el-card { 
    min-height: 320px; /* 根据你的内容可调整 */ 
    position: absolute; top: 0; left: 0; width: 100%;
}
#left_menu{
    width: 230px;
    margin-right: 60px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
}
#right_menu{
    width: 600px;
}