#navb li:first-child .zyflg .nav_t {
  color: #0272bc;
}
/* 产品中心-start */
.product_sear .w .index-search{
  max-width: 68%;
  margin: 50px auto;
}
.product_sear .w .index-search form{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.product_sear .w .index-search form input{
  width: 21.5%;
  height: 38px;
  padding-left: 10px;
  border: 1px solid #0272bc;
  font-size: 14px;
}
.product_sear .w .index-search form button{
  width: 11.5%;
  height: 38px;
  background: #0272bc;
  border: none;
  color: #fff;
  outline: none;
}
.product{
  width: 100%;
  overflow: hidden;
  background: url(../image/product_bg.jpg) no-repeat;
}
.product .product_tit{
  padding-top: 60px;
}


.product .w .product_tit>div{
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}
.title{
  font-size: 36px;
  color: #0272bc;
  margin: 0;
  font-weight: bold;
}
.product .w .product_tit>div a{
  width: 140px;
  line-height: 42px;
  display: block;
  text-align: center;
  color: #0272bc;
  border: 1px solid #0272bc;
  transition: all 0.5s;
}
.product .w .product_tit>div a:hover{
  background: #0272bc;
  color: #fff;
}
.product .w .product_tit p{
  font-size: 16px;
  color: #333;
  margin: 0;
}
.product .w ul{
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 20px;
}
.product .w ul li{
  width: 31.333%;
  margin: 10px 0;
  text-align: center;
  border: 1px solid #0272bc;
  padding: 20px;
  transition: all 0.5s;
  overflow: hidden;
  background: #fff;
  position: relative;
}
.product .w ul li .prod_logo{
  position: absolute;
  z-index: 3;
  height: 50px;
  width: auto;
  top: 10px;
  left: 10px;
}
.product .w ul li:hover .prod_logo{
  transform: scale(1);
}
.product .w ul li img{
  width: 75%;
  transition: all .5s;
}
.product .w ul li p{
  font-size: 16px;
  color: #333;
  margin: 5px 0 0;
  position: relative;
}
.product .w ul li:hover p{
  color: #0272bc;
}
.product .w ul li:hover img{
  transform: scale(1.3);
}
.product .w ul .last_li{
  display: flex;
  align-content: center;
  align-items: center;
  transition: all 0.5s;
}
.product .w ul .last_li a{
  color: #0272bc;
  width: 100%;
  display: block;
  font-size: 16px;
}
/* 产品中心-end */

/* 关于我们-start */
.about_box{
  width: 100%;
  overflow: hidden;
  margin-top: 50px;
}
.about_box .w{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 60px;
  border-bottom: 1px solid #efefef;
}
.about_box .w h3{
  width: 100%;
  margin-bottom: 22px;
}
.about_box .w .left{
  width: 52%;
  overflow: hidden;
}
.about_box .w .left p{
  font-size: 14px;
  line-height: 30px;
  color: #333;
  margin: 0;
  text-indent: 2em;
}
.about_box .w .left p:last-of-type{
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.about_box .w .left ul{
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 10px;
}
.about_box .w .left ul li{
  width: 50%;
  margin: 15px 0;
  display: flex;
  align-items: center;
}
.about_box .w .left ul li>div{
  width: 42px;
  height: 42px;
  background: #0272bc;
  border-radius: 5px;
  margin-right: 10px;
  display: flex;
  align-items: center;
}
.about_box .w .left ul li>div img{
  width: 30px;
  margin: auto;
}
.about_box .w .left ul li span{
  font-size: 16px;
  color: #333;
}
.about_box .w .left>a{
  width: 140px;
  line-height: 42px;
  display: block;
  text-align: center;
  color: #0272bc;
  border: 1px solid #0272bc;
  transition: all 0.5s;
  margin-top: 30px
}
.about_box .w .left>a:hover{
  background: #0272bc;
  color: #fff;
}
.about_box .w .right{
  width: 45%;
}
.about_box .w .right img{
  width: auto;
  height: 395px;
}
/* 关于我们-end */
/* 新闻资讯-start */
.news_box{
  width: 100%;
  overflow: hidden;
}
.news_box .w{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.news_box .w .title{
  width: 100%;
  margin-bottom: 25px;
}
.news_box .w .news_left{
  width: 220px;
  border: 1px solid #e3e3e5;
  padding: 30px;
  margin: 0;
}
.news_box .w .news_left li{
  margin: 30px 0;
  text-align: center;
}
.news_box .w .news_left li a{
  font-size: 18px;
  color: #333;
}
.news_box .w .news_left li a:hover{
  color: #0272bc;
}
.news_box .w .news_left li:first-of-type a{
  color: #0272bc;
}
.news_box .w .news_right{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 80%;
}
.news_box .w .news_right>div{
  width: 42%;
  background: url(../image/new_img.jpg) no-repeat center;
  background-size: auto;
}
.news_box .w .news_right>ul{
  width: 100%;
  overflow: hidden;
  margin: 0;
}
.news_box .w .news_right>ul li{
  margin-bottom: 26px;
}
.news_box .w .news_right>ul li h3{
  display: flex;
  justify-content: space-between;
  margin: 0 0 8px;
}
.news_box .w .news_right>ul li h3 a{
  max-width: 75%;
  font-size: 16px;
  font-weight: bold;
  color: #333;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.news_box .w .news_right>ul li:hover h3 a{
  color: #0272bc;
}
.news_box .w .news_right>ul li h3 span{
  font-size: 14px;
  color: #9d9b9b;
}
.news_box .w .news_right>ul li p{
  font-size: 15px;
  line-height: 24px;
  color: #666;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;/*控制行数*/
  overflow: hidden;
  margin-bottom: 15px;
}
.news_box .w .news_right>ul li>a{
  width: 115px;
  line-height: 34px;
  display: block;
  text-align: center;
  border: 1px solid #cbcbcb;
  transition: all 0.5s;
  color: #999;
}
.news_box .w .news_right>ul li>a:hover{
  background: #0272bc;
  border: 1px solid #0272bc;
  color: #fff;
}
/* 新闻资讯-end */
.footer {
  margin-top: 100px;
}
@media(max-width:768px){
  .product_sear .w .index-search {
    max-width: 100%;
    margin: 20px auto;
  }
  .product_sear .w .index-search form input {
    width: 49%;
    height: 40px;
    padding-left: 10px;
    border: 1px solid #0272bc;
    font-size: 14px;
    margin-bottom: 10px;
  }
  .product_sear .w .index-search form button {
    width: 100%;
    height: 40px;
    background: #0272bc;
    border: none;
    color: #fff;
    outline: none;
  }
  .product {
    padding: 30px 0;
    background-size: 560%;
  }
  .title {
    font-size: 28px;
    color: #0272bc;
    margin: 0;
  }
  .product .w .product_tit>div a {
    width: 134px;
    line-height: 38px;
  }
  .product .w .product_tit p {
    font-size: 14px;
    color: #333;
    margin:8px 0;
    line-height: 26px;
  }
  .product .w ul{
    margin: 0;
  }
  .product .w ul li {
    width: 49%;
    margin: 5px 0;
  }
  .product .w ul li .prod_logo {
    position: absolute;
    z-index: 3;
    height: 22px;
    width: auto;
    top: 10px;
    left: 10px;
  }
  .about_box {
    width: 100%;
    overflow: hidden;
    margin: 30px 0;
  }
  .about_box .w{
    padding-bottom: 30px;
  }
  .about_box .w .left {
    width: 100%;
    overflow: hidden;
  }
  .about_box .w .right {
    width: 100%;
    margin-top: 30px;
  }
  .about_box .w .right img {
    width: 100%;
    height: auto;
  }
  .news_box .w .news_left {
    width: 100%;
    border: 1px solid #e3e3e5;
    padding: 0;
    margin: 0;
  }
  .news_box .w .news_left li {
    margin: 0;
    text-align: center;
    border-bottom: 1px solid #e3e3e5;
    line-height: 55px;
  }
  .news_box .w .news_left li:last-child{
    border: none;
  }
  .news_box .w .news_right {
    width: 100%;
    margin-top: 30px;
  }
  .news_box .w .news_right>div {
    width: 100%;
    background: url(../image/new_img.jpg) no-repeat center;
    height: 290px;
  }
  .news_box .w .news_right>ul {
    width: 100%;
    overflow: hidden;
    margin: 20px 0;
  }
  .carousel-inner>.item>a>img,
  .carousel-inner>.item>img,
  .img-responsive,
  .thumbnail a>img,
  .thumbnail>img {
      display: block;
      max-width: initial;
      height: 190px;
      width: auto;
  }
}



        /* 主容器最大宽度1440px，居中 */
        .master-container {
          max-width: 1440px;
          width: 100%;
          margin: 0 auto;
          padding: 3rem 2rem;
      }

      /* 通用标题样式 */
      .section-title {
          text-align: center;
          margin-bottom: 2.5rem;
      }
      .section-title .badge {
          display: inline-block;
          background: #e1f0f9;
          padding: 0.3rem 1.2rem;
          border-radius: 40px;
          font-size: 0.75rem;
          font-weight: 600;
          letter-spacing: 1px;
          color: #1e6f8f;
          margin-bottom: 0.8rem;
      }
      .section-title h2 {
          font-size: 36px;
          font-weight: 800;
          color: #0272bc;
          padding-top: 5rem;
      }
      .section-title p {
          color: #666;
          max-width: 600px;
          margin: 0.5rem auto 0;
          font-size: 18px;
      }

      /* 应用领域 —— 一排 水平flex布局 悬停放大+其他折叠 */
      
      .domains-strip {
        display: flex;
        flex-wrap: nowrap;
        justify-content: center;
        gap: 1rem;
        margin-bottom: 4rem;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        scrollbar-width: thin;
        padding-top: 5rem;
    }
    
    .domain-strip-card {
        flex: 1 1 0;
        min-width: 110px;
        background: white;
        border-radius: 1rem;
        transition: all 0.4s cubic-bezier(0.2, 0.9, 0.6, 1.1);
        cursor: pointer;
        border: 1px solid rgba(100, 150, 180, 0.2);
        box-shadow: 0 10px 18px -8px rgba(0, 0, 0, 0.05);
        overflow: hidden;
        position: relative;
    }
    
    .domain-strip-card .card-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem 0.8rem 1.2rem 0.8rem;
        transition: all 0.3s;
    }
    
    .domain-strip-card .card-img {
        width: 100%;
        height: 50rem; 
        background-size: cover;
        background-position: center;
        border-radius: 0.2rem;
        margin-bottom: 0.8rem;
        transition: all 0.3s;
    }
    
    .domain-strip-card h4 {
        font-size: 1.8rem;
        margin: 0.5rem 0 0.2rem;
        color: #333;
    }
    
    .domain-strip-card p {
        font-size: 1.6rem;
        color: #666;
        display: none;  /* 默认隐藏描述 */
    }
    
    /* ---------- 第一个卡片默认展开样式 (flex更大，图片更高，显示描述) ---------- */
    .domain-strip-card:first-child {
        flex: 5.2 1 0;
        min-width: 220px;
    }
    
    .domain-strip-card:first-child .card-img {
        height: 500px;
    }
    
    .domain-strip-card:first-child h4 {
        font-size: 1.8rem;
    }
    
    .domain-strip-card:first-child p {
        display: block;
        font-size: 1.6rem;
        line-height: 1.4;
        margin-top: 0.6rem;
    }
    
    /* ---------- 悬停效果：其他卡片折叠，当前卡片进一步放大并显示描述 ---------- */
    .domains-strip:has(.domain-strip-card:hover) .domain-strip-card:not(:hover) {
        flex: 0.3 1 0;
        min-width: 70px;
        opacity: 0.65;
        filter: blur(0.6px);
        transition: all 0.45s ease;
    }
    
    /* 悬停时的展开样式 (覆盖第一个卡片的默认展开，但悬停到任意卡片时生效) */
    .domain-strip-card:hover {
        flex: 2.2 1 0;
        min-width: 220px;
        transform: scale(1.02);
        background: #ffffff;
        border-color: #2e8bb0;
        box-shadow: 0 25px 35px -12px rgba(0, 50, 70, 0.25);
        z-index: 10;
    }
    
    .domain-strip-card:hover .card-inner {
        padding: 1.2rem 1rem 1.5rem;
    }
    
    .domain-strip-card:hover .card-img {
        height: 500px;
        border-radius: 1rem;
    }
    
    .domain-strip-card:hover h4 {
        font-size: 1.8rem;
        margin-top: 0.5rem;
    }
    
    .domain-strip-card:hover p {
        display: block;
        font-size: 1.6rem;
        line-height: 1.4;
        margin-top: 0.6rem;
    }
    
    /* 保证当悬停在第一个卡片时，其样式与悬停逻辑一致，不会有冲突 */
    /* 同时保证默认第一个卡片展开，但悬停到其他卡片时第一个卡片也会正确折叠 (由 :has 规则处理) */
    
    /* 响应式适配 */
    @media (max-width: 900px) {
        .domains-strip {
            gap: 0.6rem;
        }
        .domain-strip-card:hover {
            min-width: 180px;
        }
        .domain-strip-card:first-child {
            min-width: 180px;
        }
        .domains-strip:has(.domain-strip-card:hover) .domain-strip-card:not(:hover) {
            flex: 0.4 1 0;
            min-width: 65px;
        }
    }
    
    @media (max-width: 650px) {
        .domain-strip-card .card-img {
            height: 70px;
        }
        .domain-strip-card:first-child .card-img {
            height: 110px;
        }
        .domain-strip-card:hover .card-img {
            height: 110px;
        }
    }

      /* 我们的优势区域 图文结合（三个卡片） */
      .ys{background-color: #f8f8f8;}
      .advantages-grid {
          display: flex;
          flex-wrap: wrap;
          gap: 2rem;
          justify-content: center;
          margin: 2rem 0 3rem;

          padding-bottom: 10rem;
          padding-top: 5rem;
      }
      .advantage-card {
          flex: 1 1 280px;
          background: #ffffff;
          border-radius: 2rem;
          padding: 5.8rem 1.5rem;
          transition: 0.3s;
          border: 1px solid #e2edf5;
          box-shadow: 0 15px 28px -12px rgba(0,0,0,0.05);
          text-align: center;
      }
      .advantage-card:hover {
          transform: translateY(-6px);
          border-color: #92c2db;
          box-shadow: 0 25px 35px -14px rgba(31, 96, 118, 0.2);
      }
      .adv-icon {
          font-size: 4.6rem;
          background: linear-gradient(145deg, #0272bc, #3098c2);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
          margin-bottom: 1rem;
      }
      .advantage-card h3 {
          font-size: 2.6rem;
          font-weight: 700;
          margin-bottom: 0.6rem;
          color: #333;
      }
      .advantage-card p {
          color: #666;
          line-height: 1.8;
          font-size: 1.6rem;
          padding: 2rem 0;
      }
      .adv-media-tag {
          margin-top: 1.2rem;
          display: flex;
          justify-content: center;
          align-items: center;
          gap: 12px;
          flex-wrap: wrap;
          border-top: 1px solid #e3f0f7;
          padding-top: 1rem;
          font-size: 1.7rem;
          font-weight: 500;
          color: #0272bc;
      }

      /* 新闻*/
      .news-modern {
          margin-top: 2rem;
      }
      .news-block-header {
          display: flex;
          align-items: baseline;
          justify-content: space-between;
          flex-wrap: wrap;
          margin-bottom: 5.8rem;
          border-bottom: 2px solid #e2f0f8;
          padding-bottom: 0.75rem;
      }
      .news-block-header h3 {
          font-size: 36px;
          font-weight: 700;
          color: #0272bc;
          display: inline-flex;
          align-items: center;
          gap: 10px;
      }
      .news-block-header h3 i {
          color: #2c8eb0;
          font-size: 1.6rem;
      }
      .news-more {
          font-size: 1.6rem;
          color: #3085a8;
          font-weight: 500;
          text-decoration: none;
      }
      .news-split-layout {
          display: flex;
          gap: 2rem;
          flex-wrap: wrap;
      }
      /* 左侧区域：大图 + 下方标题/描述 */
      .news-feature {
          flex: 1.2;
          min-width: 260px;
          background: #f6fbfe;
          border-radius: 1.8rem;
          overflow: hidden;
          transition: 0.25s;
          border: 1px solid #e2f0f8;
      }
      .feature-img {
          width: 100%;
          height: 280px;
          background-size: cover;
          background-position: center 30%;
          background-repeat: no-repeat;
          transition: transform 0.3s;
      }
      .news-feature:hover .feature-img {
          transform: scale(1.02);
      }
      .feature-caption {
          padding: 1.5rem 1.2rem 1.8rem;
          text-align: center;
      }
      .feature-caption h3 {
          font-size: 1.6rem;
          font-weight: 700;
          color: #333;
          margin-bottom: 2.5rem;
      }
      .feature-caption p {
          color: #666;
          font-size: 1.6rem;
          line-height: 1.45;
      }
      .feature-date {
          display: inline-block;
          margin-top: 0.8rem;
          font-size: 1.4rem;
          background: #e0f0f8;
          padding: 0.2rem 1rem;
          border-radius: 20px;
          color: #666;
          font-weight: 500;
      }
      /* 右侧新闻列表区域 6条新闻纯文字无图片 */
      .news-list {
          flex: 1.8;
          min-width: 280px;
          display: flex;
          flex-direction: column;
          gap: 0.8rem;
      }
      .list-item {
        background: #ffffff;
        padding: 1rem 1.2rem;
        margin-bottom: 1.5rem;
        border-radius: 1.2rem;
        transition: all 0.25s;
        border-left: 4px solid #0272bc;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
        cursor: default;
      }
      .list-item:hover {
          background: #f4fafd;
          border-left-color: #1f8ab3;
          transform: translateX(4px);
      }
      .list-title {
        font-weight: 700;
        font-size: 1.6rem;
        color: #333;
        margin-bottom: 1.25rem;
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        flex-wrap: wrap;
      }
      .list-date {
          font-size: 1.2rem;
          font-weight: 400;
          color: #666;
      }
      .list-desc {
          font-size: 1.5rem;
          color: #666;
          line-height: 1.4;
          margin-top: 0.3rem;
          display: flex;
          gap: 0.6rem;
          flex-wrap: wrap;
      }
      .news-tag {
          background: #eef3f8;
          border-radius: 20px;
          padding: 0.15rem 0.6rem;
          font-size: 0.6rem;
          font-weight: 500;
          color: #1b6d8f;
      }
      @media (max-width: 850px) {
          .news-split-layout {
              flex-direction: column;
          }
          .feature-img {
              height: 220px;
          }
          .news-feature {
              flex: auto;
          }
          .news-list {
              flex: auto;
          }
      }
      @media (max-width: 550px) {
          .feature-caption h3 {
              font-size: 1.2rem;
          }
          .list-title {
              font-size: 0.85rem;
          }
          .news-block-header h3 {
              font-size: 1.3rem;
          }
      }



/* 探头 */
.bearing-hero {
  width: 100%;
  height: 350px;
  /* 深色高品质轴承/金属加工背景，质感强 */
  background-image: linear-gradient(135deg, rgb(31 81 120 / 88%) 0%, rgba(2, 10, 18, 0.94) 100%), url(https://images.pexels.com/photos/12491516/pexels-photo-12491516.jpeg?auto=compress&cs=tinysrgb&w=1600&h=600&fit=crop);
  background-size: cover;
  background-position: center 45%;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 25rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* 工业感光晕 */
.bearing-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(70, 180, 240, 0.2) 0%, rgba(5, 18, 28, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.bearing-hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -8%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(50, 150, 210, 0.12) 0%, rgba(2, 10, 18, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 左侧文案区域 */
.bearing-content {
  flex: 1.3;
  z-index: 2;
}

.company-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(5px);
  padding: 0.3rem 1.2rem;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #caeaff;
  margin-bottom: 1rem;
  border: 0.5px solid rgba(100, 190, 230, 0.5);
}

.company-tagline i {
  font-size: 0.7rem;
  color: #7acff5;
}

.bearing-content h1 {
  font-size: 2.9rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.bearing-desc {
  font-size: 1.5rem;
  color: #d4d4d4;
  line-height: 1.5;
  margin-bottom: 1rem;
  max-width: 90%;
  opacity: 0.9;
}

/* 轴承优势列表 — 网格化清爽展示 */
.advantages-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin: 1rem 0 1.2rem 0;
}

.adv-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(4px);
  padding: 0.3rem 0.9rem;
  border-radius: 40px;
  font-size: 1.5rem;
  font-weight: 500;
  color: #fff;
  border: 0.5px solid rgba(100, 180, 220, 0.35);
  transition: 0.2s;
}

.adv-item i {
  font-size: 1.5rem;
  color: #6bc8f0;
}

.adv-item:hover {
  background: rgba(90, 180, 230, 0.2);
  border-color: #80cef5;
  transform: translateY(-1px);
}

/* 号码区域 — 亮色科技感 */
.contact-number {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  padding: 0.6rem 1.5rem 0.6rem 1.2rem;
  border-radius: 60px;
  border: 1px solid rgb(255 255 255 / 16%);
  transition: 0.25s ease;
  cursor: pointer;
  margin-top: 0.2rem;
}

.contact-number:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #9adaff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.contact-number i {
  font-size: 1.4rem;
  color: #7acff5;
}

.number-text {
  font-size: 2.3rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1px;
}

.number-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: #c0e2ff;
  margin-left: 4px;
}

/* 右侧视觉 — 齿轮/轴承抽象图标 + 动态环 */
.bearing-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.icon-badge {
  background: linear-gradient(145deg, #132c3c, #071a26);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 12px 25px -8px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255,255,255,0.08);
  border: 1px solid rgba(80, 170, 210, 0.6);
  transition: 0.3s;
}

.icon-badge i {
  font-size: 4.8rem;
  background: linear-gradient(145deg, #b2e4ff, #50b0e0);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.bearing-visual:hover .icon-badge {
  transform: scale(1.02);
  border-color: #8ad6ff;
  box-shadow: 0 15px 28px -6px rgba(0, 0, 0, 0.5);
}

/* 脉冲环装饰 */
.pulse-ring {
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 1px dashed rgba(100, 190, 240, 0.5);
  animation: pulse 3s infinite;
  pointer-events: none;
}

@keyframes pulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1.25); opacity: 0; }
}

/* 响应式适配 */
@media (max-width: 950px) {
  .bearing-hero {
      height: auto;
      min-height: 380px;
      flex-direction: column;
      padding: 2rem 1.8rem;
      text-align: center;
  }
  .bearing-content {
      text-align: center;
      margin-bottom: 1rem;
  }
  .bearing-desc {
      max-width: 100%;
  }
  .advantages-list {
      justify-content: center;
  }
  .contact-number {
      justify-content: center;
      margin-top: 0.5rem;
  }
  .bearing-visual {
      margin-top: 0.6rem;
  }
  .bearing-content h1 {
      font-size: 1.5rem;
  }
}

@media (max-width: 550px) {
  .bearing-hero {
      padding: 1.6rem;
  }
  .bearing-content h1 {
      font-size: 1.3rem;
  }
  .number-text {
      font-size: 1rem;
  }
  .icon-badge {
      width: 95px;
      height: 95px;
  }
  .icon-badge i {
      font-size: 3.2rem;
  }
  .adv-item {
      font-size: 0.65rem;
      padding: 0.2rem 0.8rem;
  }
}