.index-news-ul li {
  margin-top: 1%;
}
.caidan {
  width: 40px;
  height: 40px;
  position: absolute;
  right: 2%;
  top: 2%;
  display: none;
}
.phone-bg1 {
  background: url(../images/caidan.png) no-repeat center;
  background-size: 40px;
}
.phone-bg {
  background: url(../images/closel.png) no-repeat center;
  background-size: 40px;
  width: 35px;
  height: 35px;
}
.link {
  margin-bottom: 2%;
}
.link ul li {
  font-size: 14px;
  line-height: 1.5;
  margin-right: 10px;
}
@media screen and (max-width: 1360px) {
  .header {
    width: 100%;
  }
  .header-topbar-menu,
  .nav,
  .index-about-text .about-text {
    margin-right: 3%;
  }
}
@media screen and (max-width: 1200px) {
  body {
    min-width: 100%;
    max-width: 100%;
    width: 100%;
  }
  .header-topbar {
    padding-left: 2%;
  }
  .wide {
    width: 100%;
  }
  .header-logo {
    margin-left: 1%;
  }
  .footer {
    padding: 0 2%;
  }
  .footer-message {
    width: 32%;
  }
  .footer-contact {
    width: 32%;
  }
  .footer-wechat {
    width: 20%;
  }
  .header-logo img {
    width: 80%;
  }
  .nav-list .item {
    margin-left: 15px;
  }
  .nav {
    margin-right: 1%;
  }
  .index-about .index-about-img {
    width: 48%;
    height: auto;
    min-height: 400px;
    margin-right: 2%;
  }
  .max-img img {
    width: 100%;
  }
  .index-about-text {
    width: 48%;
  }
  .index-model-ul .index-model-li {
    width: 30%;
    margin-right: 1%;
    padding: 10px 10px;
  }
  .index-model-ul .index-model-li .index-model-img {
    width: 100%;
  }
  .index-chip-li .index-chip-text p {
    font-size: 24px;
  }
  .index-customer-wide table {
    width: 100%;
  }
  .index-advantage-ul {
    padding: 0 1%;
  }
  .index-advantage-ul li,
  .index-advantage-ul li:nth-child(3n) {
    width: 48%;
    margin-right: 2%;
  }
  .index-engineering-ul {
    padding: 0 1%;
  }
  .index-engineering-ul li,
  .index-engineering-ul li:nth-child(4n) {
    width: 32%;
    margin-right: 1%;
  }
  .index-engineering-ul li .index-engineering-img {
    width: 100%;
  }
  .index-news-ul li {
    width: 28%;
    margin-right: 1%;
  }
  .index-news-ul li:nth-child(3n) {
    margin-right: 0;
  }
  .news-details-content,
  .newspost-prev,
  .q_news {
    padding: 0 3%;
  }
  .news-details h1 {
    margin-top: 3%;
  }
}
@media screen and (max-width: 1024px) {
  .index-news-ul li .index-news-img {
    width: 100%;
  }
  .index-news-ul li {
    padding: 20px 10px;
    width: 30%;
  }
  .index-news-ul {
    margin-left: 2%;
  }
  .index-title {
    padding-top: 2%;
    font-size: 30px;
    line-height: 76px;
    margin-bottom: 3%;
  }
  .pb100,
  section.modelopen,
  section.index-engineering {
    padding-bottom: 4%;
  }
  .index-advantage-ul {
    margin-bottom: 4%;
  }
  .footer .footer-nav-ul,
  .footer-message {
    display: none;
  }
  .footer-contact {
    width: 60%;
  }
  .footer-wechat {
    width: 10%;
  }
}
@media screen and (max-width: 768px) {
  .header-main {
    height: 80px;
  }
  .header-main h1 {
    line-height: 80px;
  }
  .caidan {
    display: block;
  }
  .nav {
    width: 100%;
    float: none;
    background-color: #fff;
    position: absolute;
    z-index: 999;
    margin-top: 80px;
    transition: all 3s;
    display: none;
  }
  .nav .nav-list {
    height: auto;
    line-height: 60px;
  }
  .nav .nav-list li {
    width: 100%;
    text-align: center;
    border-top: 1px solid #f1f1f1;
    margin-left: 0;
  }
  .nav .nav-list li a {
    height: 60px;
  }
  .header-topbar,
  .copyright {
    display: none;
  }
  .footer .footer-nav-contact {
    margin: 3% 0 0;
  }
  .footer-contact {
    padding: 0 2%;
  }
  .index-about .index-about-img:after {
    display: none;
  }
  .index-about .index-about-img,
  .index-about-text {
    width: 100%;
    text-align: center;
  }
  .header-topbar-menu,
  .nav,
  .index-about-text .about-text {
    margin-right: 0;
  }
  .index-advantage-ul {
    padding: 0 2%;
  }
  .index-advantage-ul li {
    margin-left: 0;
  }
  .index-engineering-ul li,
  .index-engineering-ul li:nth-child(4n) {
    width: 32.5%;
  }
  .index-advantage-ul li,
  .index-advantage-ul li:nth-child(3n) {
    margin-right: 0;
    width: 49%;
  }
  .index-engineering-ul li:nth-child(3n) {
    margin-right: 0;
  }
  .index-advantage-ul li:nth-child(2n) {
    margin-left: 2%;
  }
  .index-about-text .about-text p {
    height: auto;
    font-size: 18px;
  }
  .index-about-text .about-text-title {
    font-size: 60px;
    line-height: 50px;
    margin-bottom: 2%;
  }
  .index-about-text a {
    margin: 4% auto 0;
    width: 140px;
  }
  .index-title {
    font-size: 24px;
    line-height: 58px;
  }
  .index-more {
    width: 180px;
    line-height: 48px;
  }
  .index-customer-wide table {
    margin-bottom: 3%;
  }
  .index-customer {
    padding-bottom: 4%;
  }
  .index-advantage-ul li .advantage-img {
    width: 20%;
  }
  .index-news-ul li {
    width: 46%;
    margin-top: 1%;
  }
  .index-news-ul li:nth-child(3n) {
    margin-right: 1%;
  }
  .nei-title {
    margin: 4% 0;
  }
  .nei-title h3 {
    font-size: 26px;
  }
  .nei-title span {
    font-size: 40px;
    top: -40px;
  }
  .about-content .about-img {
    float: none;
    margin: 0 auto;
  }
  .about-content .about-text {
    width: 85%;
  }
  .process-content {
    padding: 0 10px;
  }
  .process-content .process-li {
    margin-bottom: 15px;
  }
  .process-foot {
    padding-left: 20px;
  }
  .process-foot .process-foot-text {
    margin-bottom: 10px;
    width: 100%;
  }
  .prolist .list {
    padding-left: 15px;
  }
  .prolist .list li {
    width: 45%;
  }
  .prolist .list li:nth-child(2n) {
    margin-right: 0;
  }
  .prolist .list a .factory-img {
    width: 100%;
  }
  .q_news_title .line {
    background-color: #0255a1;
    color: #fff;
    font-size: 18px;
    line-height: 40px;
    height: 40px;
    padding: 0 22px;
  }
  .news-content .news-ul {
    padding-left: 2%;
  }
  .news-content .news-ul .news-li {
    width: 42%;
    margin-right: 2%;
  }
  .news-content .news-ul .news-li:nth-child(2n) {
    margin-right: 0;
  }
  .news-content .news-ul .news-li .news-img {
    width: 100%;
    max-height: 212px;
  }
  .news-content .news-ul .news-li .news-img img {
    width: 100%;
  }
  .q_news .swiper-slide {
    width: 50%;
  }
  .news-details h1 {
    font-size: 20px;
  }
  .payment-ul {
    padding-left: 2%;
  }
  .payment-ul .payment-li {
    width: 48%;
    margin-right: 2%;
  }
  .payment-ul .payment-li:nth-child(2) {
    margin-right: 0;
  }
  .contact-map {
    display: none;
  }
  .contact-add {
    width: 96%;
  }
  .contact-message {
    padding-left: 3%;
  }
  .contact-message .contact-input {
    float: none;
  }
  .contact-message .contact-input .input-text {
    width: 90%;
  }
  .contact-message .contact-input:nth-of-type(2n) {
    margin-left: 0;
  }
  .contact-message .contact-textarea .textarea-text,
  .contact-message .contact-submit .contact-button {
    width: 96%;
  }
}
@media screen and (max-width: 415px) {
  .index-title {
    font-size: 20px;
    line-height: 2;
    text-align: center;
  }
  .index-about .index-about-img,
  .index-about-text {
    width: 100%;
    text-align: left;
  }
  .header-topbar-menu,
  .nav,
  .index-about-text .about-text {
    margin-right: 0;
  }
  .index-about .index-about-img {
    display: none;
  }
  .index-about-text .about-text-title {
    font-size: 40px;
    line-height: 1;
  }
  .index-about-text .about-text p {
    font-size: 16px;
    line-height: 1.5;
    -webkit-line-clamp: 10;
    padding: 1% 3%;
  }
  .index-about-text a {
    letter-spacing: 1px;
    line-height: 40px;
    font-size: 16px;
  }
  .index-model-ul .index-model-li {
    width: 96%;
    height: auto;
    overflow: hidden;
    text-align: center;
  }
  .index-model-ul .index-model-li img {
    width: 98%;
  }
  .index-model-ul .index-model-li .index-model-text p {
    font-size: 20px;
  }
  .index-more {
    line-height: 40px;
    font-size: 16px;
    letter-spacing: 2px;
  }
  .index-model-ul {
    margin-bottom: 5%;
  }
  .fl {
    float: none;
  }
  .index-chip-li {
    width: 100%;
    margin-bottom: 2%;
  }
  .index-chip-li .index-chip-text p {
    font-size: 20px;
  }
  .customer {
    display: none;
  }
  .index-advantage-ul li,
  .index-advantage-ul li:nth-child(3n) {
    width: 100%;
  }
  .index-advantage-ul li:nth-child(2n) {
    margin-left: 0;
  }
  .index-engineering-ul li,
  .index-engineering-ul li:nth-child(4n) {
    width: 100%;
  }
  .index-engineering-ul li .index-engineering-text {
    font-size: 16px;
    margin-top: 0;
    line-height: 2;
  }
  .index-engineering-ul li {
    margin-bottom: 0;
  }
  .index-news-ul {
    margin: 0 auto 3%;
    padding: 0 2%;
  }
  .index-news-ul li {
    height: auto;
    width: 95%;
    padding: 10px 10px;
  }
  .index-news-ul li .index-news-img,
  .index-news-ul li .index-news-more {
    display: none;
  }
  .index-news-ul li .index-news-text {
    margin-top: 1%;
  }
  .footer {
    padding: 4% 2%;
  }
  .footer p.title {
    margin-bottom: 2%;
  }
  .footer-contact {
    width: 100%;
  }
  .footer-contact .tel {
    font-size: 20px;
    background-size: 26px;
    padding-left: 30px;
    margin-bottom: 2%;
  }
  .footer-contact .footer-wechat {
    float: none;
  }
  .footer-wechat .footer-wechat-wc .footer-wechat-text {
    height: auto;
    margin: 0 auto;
  }
  .nei-title h3 {
    font-size: 20px;
  }
  .nei-title span {
    font-size: 30px;
    top: -30px;
    line-height: 1;
  }
  .about-content .about-img {
    display: none;
  }
  .about-content {
    margin-bottom: 20px;
  }
  .about-content .about-text {
    padding: 15px 10px;
    width: 96%;
  }
  .about-content .about-text .about-text-cont {
    margin-top: 10px;
  }
  .about-content .about-text .about-title h2 {
    font-size: 18px;
  }
  .about-content .about-text .about-title p {
    line-height: 1.3;
  }
  .process-ul {
    display: none;
  }
  .process-foot {
    margin-top: 0;
    padding-right: 30px;
  }
  .process-foot .process-foot-img {
    width: 100%;
  }
  .prolist .list li {
    width: 90%;
    margin-right: 0;
  }
  .list-fanye a {
    margin-bottom: 10px;
  }
  .news-content .news-ul .news-li {
    width: 90%;
    margin-right: 0;
  }
  .q_news_title .line:not(:first-child) {
    margin-left: 5px;
  }
  .q_news_title .line {
    font-size: 17px;
    padding: 0 18px;
  }
  .q_news_title {
    margin-bottom: 4%;
  }
  .q_news .swiper-slide {
    width: 100%;
  }
  .payment-ul {
    padding-left: 2%;
  }
  .payment-ul .payment-li {
    width: 96%;
    margin-right: 0;
    float: none;
  }
  .contact-add {
    padding-left: 3%;
  }
}