.sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      border: 0;
      white-space: nowrap;
    }

    #content {
      background: #fff;
    }

    .introduce_meassage,
    .advantage_text,
    .news_desc,
    .service_desc,
    .faq_answer,
    .seo_intro p {
      line-height: 1.9;
      color: #555;
      font-size: 15px;
    }

    .index_title p {
      letter-spacing: 1px;
    }

    .introduce_title,
    .service_title,
    .advantage_title,
    .faq_title {
      color: #0f4c81;
      font-weight: 700;
    }

    .index_keywords {
      padding: 15px 0 0;
      color: #666;
      font-size: 14px;
      line-height: 1.8;
    }

    .home_data {
      margin-top: 18px;
      overflow: hidden;
    }

    .home_data .data_item {
      float: left;
      width: 25%;
      text-align: center;
      padding: 16px 8px;
      background: #f7f9fc;
      border: 1px solid #e7edf5;
    }

    .home_data .data_item strong {
      display: block;
      font-size: 24px;
      color: #0f4c81;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .home_data .data_item span {
      display: block;
      color: #666;
      font-size: 13px;
      line-height: 1.6;
    }

    .seo_intro {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 50px 15px 10px;
    }

    .seo_intro .seo_box {
      background: #f8fbff;
      border: 1px solid #e1ebf5;
      padding: 28px;
    }

    .seo_intro h2 {
      margin: 0 0 18px;
      color: #0f4c81;
      font-size: 28px;
      line-height: 1.4;
      text-align: center;
    }

    .service_grid,
    .advantage_grid,
    .faq_grid,
    .news_cards {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      overflow: hidden;
      padding: 0 15px;
    }

    .service_card,
    .advantage_card,
    .faq_card,
    .news_card {
      float: left;
      width: 32%;
      margin-right: 2%;
      background: #fff;
      border: 1px solid #ececec;
      padding: 24px;
      min-height: 250px;
      transition: all .3s ease;
    }

    .service_card:last-child,
    .advantage_card:last-child,
    .faq_card:last-child,
    .news_card:last-child {
      margin-right: 0;
    }

    .service_card:hover,
    .advantage_card:hover,
    .faq_card:hover,
    .news_card:hover,
    .index_pro_list dl:hover {
      box-shadow: 0 8px 25px rgba(15, 76, 129, 0.08);
      transform: translateY(-3px);
    }

    .service_icon,
    .advantage_icon,
    .faq_icon {
      display: inline-block;
      width: 46px;
      height: 46px;
      line-height: 46px;
      text-align: center;
      border-radius: 50%;
      background: #0f4c81;
      color: #fff;
      font-size: 20px;
      margin-bottom: 15px;
    }

    .service_title,
    .advantage_title,
    .faq_title {
      font-size: 20px;
      margin-bottom: 12px;
      line-height: 1.5;
    }

    .service_desc,
    .advantage_text,
    .faq_answer,
    .news_desc {
      min-height: 120px;
    }

    .service_more,
    .news_more {
      display: inline-block;
      margin-top: 12px;
      color: #0f4c81;
      border-bottom: 1px solid #0f4c81;
    }

    .service_label {
      display: inline-block;
      margin: 14px 8px 0 0;
      padding: 4px 10px;
      background: #f3f8fd;
      border: 1px solid #dce9f7;
      color: #0f4c81;
      font-size: 13px;
      line-height: 1.6;
    }

    .index_pro {
      padding-bottom: 20px;
    }

    .index_pro_list dl {
      border: 1px solid #ededed;
      padding-bottom: 14px;
      background: #fff;
      transition: all .3s ease;
    }

    .index_pro_list dd {
      padding: 12px 10px 0;
      text-align: center;
      font-size: 16px;
      color: #333;
    }

    .index_pro_intro {
      text-align: center;
      padding: 0 15px 25px;
      color: #666;
      line-height: 1.9;
      font-size: 15px;
    }

    .advantage_section,
    .faq_section,
    .news_section {
      padding: 55px 0;
      background: #fff;
    }

    .advantage_section {
      background: #f8fbff;
    }

    .faq_section {
      background: #ffffff;
    }

    .news_section {
      background: #f8fbff;
    }

    .section_head {
      text-align: center;
      margin-bottom: 30px;
      padding: 0 15px;
    }

    .section_head h2 {
      font-size: 30px;
      color: #0f4c81;
      margin: 0 0 10px;
      line-height: 1.4;
    }

    .section_head p {
      color: #666;
      font-size: 15px;
      line-height: 1.9;
      margin: 0 auto;
      max-width: 860px;
    }

    .news_card h3 {
      margin: 0 0 12px;
      font-size: 20px;
      line-height: 1.6;
    }

    .news_card h3 a {
      color: #0f4c81;
    }

    .news_meta {
      font-size: 13px;
      color: #888;
      margin-bottom: 14px;
      line-height: 1.8;
    }

    .news_list {
      list-style: none;
      padding-left: 0;
      margin-bottom: 0;
    }

    .friend_link {
      line-height: 2;
    }

    .friend_link a {
      margin-right: 16px;
    }

    .footer_note {
      color: #cfcfcf;
      font-size: 13px;
      line-height: 1.8;
    }

    .mobile_hidden_text {
      display: block;
      color: #666;
      font-size: 14px;
      line-height: 1.8;
      padding-top: 8px;
    }

    @media (max-width: 991px) {
      .home_data .data_item,
      .service_card,
      .advantage_card,
      .faq_card,
      .news_card {
        float: none;
        width: 100%;
        margin-right: 0;
        margin-bottom: 15px;
        min-height: auto;
      }

      .seo_intro .seo_box {
        padding: 20px 16px;
      }

      .section_head h2,
      .seo_intro h2 {
        font-size: 24px;
      }

      .service_desc,
      .advantage_text,
      .faq_answer,
      .news_desc {
        min-height: auto;
      }
    }

    @media (max-width: 767px) {
      .home_data .data_item {
        width: 50%;
      }

      .index_keywords {
        font-size: 13px;
      }

      .seo_intro {
        padding-top: 35px;
      }

      .advantage_section,
      .faq_section,
      .news_section {
        padding: 38px 0;
      }
    }