@media only screen and (min-width: 1366px) {
  html,
  body {
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
  }
  .banner_img {
    width: 100%;
    position: relative;
  }
  .banner_img img {
    width: 100%;
  }
  .banner_img p {
    position: absolute;
    right: 2rem;
    bottom: 1rem;
    font-size: 50px;
    color: #18a0ae;
  }
  .bread_nav_box {
    border-bottom: 1px solid #ddd;
  }
  .bread_nav ul {
    display: flex;
  }
  .bread_nav ul li {
    height: 1rem;
    font-size: 14px;
    color: #333;
    line-height: 1rem;
  }
  .bread_nav ul li a {
    font-size: 14px;
    color: #333;
  }
  .bread_nav ul li:hover a {
    color: #18a0ae;
  }
  .bread_nav ul li::after {
    content: ">";
    color: #333;
    margin: 0 0.1rem;
  }
  .bread_nav ul li:last-child::after {
    content: "";
  }
  .nav_content {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
  }
  .nav_content .nav_item {
    margin-bottom: 0.2rem;
  }
  .nav_content .nav_item h3 {
    font-size: 24px;
    font-weight: 900;
    line-height: 0.4rem;
  }
  .nav_content .nav_item h3:hover a {
    color: #18a0ae;
  }
  .nav_content .nav_item ul li {
    float: left;
    padding-right: 0.3rem;
  }
  .nav_content .nav_item ul li a {
    color: #333;
    font-size: 20px;
    width: 100%;
    height: 100%;
    display: block;
    line-height: 0.4rem;
  }
  .nav_content .nav_item ul li:hover a {
    color: #18a0ae;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1440px) {
  .banner_img p {
    font-size: 38px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1024px) {
  .banner_img p {
    font-size: 34px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 767px) {
  .banner_img p {
    font-size: 26px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 767px) {
  .bread_nav ul li {
    font-size: 12px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 767px) {
  .bread_nav ul li a {
    font-size: 12px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1440px) {
  .nav_content .nav_item h3 {
    font-size: 20px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1200px) {
  .nav_content .nav_item h3 {
    font-size: 18px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1024px) {
  .nav_content .nav_item h3 {
    font-size: 16px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 767px) {
  .nav_content .nav_item h3 {
    font-size: 14px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1440px) {
  .nav_content .nav_item ul li a {
    font-size: 18px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1200px) {
  .nav_content .nav_item ul li a {
    font-size: 14px;
  }
}
@media only screen and (min-width: 1366px) and only screen and (max-width: 1024px) {
  .nav_content .nav_item ul li a {
    font-size: 12px;
  }
}
@media only screen and (max-width: 1366px) {
  html,
  body {
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
  }
  .banner_img {
    width: 100%;
    position: relative;
  }
  .banner_img img {
    width: 100%;
  }
  .banner_img p {
    position: absolute;
    right: 2rem;
    bottom: 1rem;
    font-size: 40px;
    color: #18a0ae;
  }
  .bread_nav_box {
    border-bottom: 1px solid #ddd;
  }
  .bread_nav ul {
    display: flex;
  }
  .bread_nav ul li {
    height: 1rem;
    font-size: 14px;
    color: #333;
    line-height: 1rem;
  }
  .bread_nav ul li a {
    font-size: 14px;
    color: #333;
  }
  .bread_nav ul li:hover a {
    color: #18a0ae;
  }
  .bread_nav ul li::after {
    content: ">";
    color: #333;
    margin: 0 0.1rem;
  }
  .bread_nav ul li:last-child::after {
    content: "";
  }
  .nav_content {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
  }
  .nav_content .nav_item {
    margin-bottom: 0.2rem;
  }
  .nav_content .nav_item h3 {
    font-size: 20px;
    font-weight: 900;
    line-height: 0.6rem;
  }
  .nav_content .nav_item h3:hover a {
    color: #18a0ae;
  }
  .nav_content .nav_item ul li {
    float: left;
    padding-right: 0.3rem;
  }
  .nav_content .nav_item ul li a {
    color: #333;
    font-size: 18px;
    width: 100%;
    height: 100%;
    display: block;
    line-height: 0.6rem;
  }
  .nav_content .nav_item ul li:hover a {
    color: #18a0ae;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1440px) {
  .banner_img p {
    font-size: 34px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1024px) {
  .banner_img p {
    font-size: 30px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 767px) {
  .banner_img p {
    font-size: 24px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 767px) {
  .bread_nav ul li {
    font-size: 12px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 767px) {
  .bread_nav ul li a {
    font-size: 12px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1440px) {
  .nav_content .nav_item h3 {
    font-size: 18px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1200px) {
  .nav_content .nav_item h3 {
    font-size: 14px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1024px) {
  .nav_content .nav_item h3 {
    font-size: 12px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1440px) {
  .nav_content .nav_item ul li a {
    font-size: 16px;
  }
}
@media only screen and (max-width: 1366px) and only screen and (max-width: 1024px) {
  .nav_content .nav_item ul li a {
    font-size: 14px;
  }
}
@media only screen and (max-width: 992px) {
  html,
  body {
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
  }
  .banner_img {
    width: 100%;
    position: relative;
  }
  .banner_img img {
    width: 100%;
  }
  .banner_img p {
    position: absolute;
    right: 1rem;
    bottom: 0.5rem;
    font-size: 24px;
    color: #18a0ae;
  }
  .bread_nav_box {
    border-bottom: 1px solid #ddd;
  }
  .bread_nav ul {
    display: flex;
  }
  .bread_nav ul li {
    height: 1rem;
    font-size: 14px;
    color: #333;
    line-height: 1rem;
  }
  .bread_nav ul li a {
    font-size: 14px;
    color: #333;
  }
  .bread_nav ul li:hover a {
    color: #18a0ae;
  }
  .bread_nav ul li::after {
    content: ">";
    color: #333;
    margin: 0 0.1rem;
  }
  .bread_nav ul li:last-child::after {
    content: "";
  }
  .nav_content {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
  }
  .nav_content .nav_item {
    margin-bottom: 0.2rem;
  }
  .nav_content .nav_item h3 {
    font-size: 18px;
    font-weight: 900;
    line-height: 0.6rem;
  }
  .nav_content .nav_item h3:hover a {
    color: #18a0ae;
  }
  .nav_content .nav_item ul li {
    float: left;
    padding-right: 0.3rem;
  }
  .nav_content .nav_item ul li a {
    color: #333;
    font-size: 16px;
    width: 100%;
    height: 100%;
    display: block;
    line-height: 0.6rem;
  }
  .nav_content .nav_item ul li:hover a {
    color: #18a0ae;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1440px) {
  .banner_img p {
    font-size: 20px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1200px) {
  .banner_img p {
    font-size: 18px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1024px) {
  .banner_img p {
    font-size: 16px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 767px) {
  .banner_img p {
    font-size: 14px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 767px) {
  .bread_nav ul li {
    font-size: 12px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 767px) {
  .bread_nav ul li a {
    font-size: 12px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1440px) {
  .nav_content .nav_item h3 {
    font-size: 16px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1024px) {
  .nav_content .nav_item h3 {
    font-size: 14px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 1366px) {
  .nav_content .nav_item ul li a {
    font-size: 14px;
  }
}
@media only screen and (max-width: 992px) and only screen and (max-width: 767px) {
  .nav_content .nav_item ul li a {
    font-size: 14px;
  }
}