* {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
}

body {
    background-color: rgb(228, 228, 228);
    /* zoom: 0.25; */
}

@media(max-device-width:2560px) {
    body {
        zoom: 1;
    }

    .banner img {
        width: 100%;
        height: 400px;
    }

    .header-title {
        width: 90%;
        height: 75px;
        text-align: left;
        color: #ffffff;
        position: absolute;
        top: 150px;
    }

    .header-title h1,
    h4 {
        margin: 0;
        padding: 0;
    }

    .banner>ol {
        width: 160px;
        height: 15px;
        position: absolute;
        left: 30px;
        top: 350px;
        background-color: rgba(50, 50, 50, 0.5);
        display: flex;
        justify-content: space-around;
        align-items: center;
        border-radius: 15px;
    }

    .banner>div {
        width: 40px;
        height: 65px;
        position: absolute;
        top: 200px;
        transform: translateY(-50%);
        background-color: rgba(50, 50, 50, 0.5);
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 30px;
        color: white;
        z-index: 999;
    }
}

@media(max-width:768px) {
    body {
        zoom: 0.24;
    }

    .banner img {
        width: 100%;
        height: 400px;
    }

    .header-title {
        width: 100%;
        height: 75px;
        text-align: left;
        color: #ffffff;
        position: absolute;
        top: 150px;
    }

    .header-title h1,
    h3 {
        margin-left: 8%;
    }

    .banner>ol {
        width: 160px;
        height: 15px;
        position: absolute;
        left: 30px;
        top: 350px;
        background-color: rgba(50, 50, 50, 0.5);
        display: flex;
        justify-content: space-around;
        align-items: center;
        border-radius: 15px;
    }

    .banner>div {
        width: 40px;
        height: 65px;
        position: absolute;
        top: 200px;
        transform: translateY(-50%);
        background-color: rgba(50, 50, 50, 0.5);
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 30px;
        color: white;
    }
}

.banner>ul,
ol,
li {
    list-style: none;
}

.banner ul,
ol,
li {
    list-style: none;
}

.banner {
    width: 100%;
    height: 400px;
}

.banner>ul {
    width: 100%;
    height: 400px;
}

.banner>ul>li {
    width: 100%;
    height: 400px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}

.banner>ul>li.active {
    opacity: 1;
}

.banner>ol>li {
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    cursor: pointer;
}

.banner>ol>li.active {
    background-color: #4349b6;
}

.banner>div.left {
    left: 0;
}

.banner>div.right {
    right: 0;
}

.header {
    width: 100%;
    height: 400px;
}

.nav-box {
    width: 100%;
    height: 60px;
    float: left;
    border-bottom: 1px solid rgb(196, 196, 196, 0.2);
    position: absolute;
    top: 0;
    background-color: #0183FD;
}

.nav-logo {
    width: 20%;
    height: 60px;
    line-height: 60px;
    float: left;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img1 {
    height: 60px;
}

.nav {
    width: 60%;
    height: 60px;
    float: left;
}

.nav ul {
    width: 100%;
}

.nav li {
    list-style: none;
    float: left;
    text-align: center;
    line-height: 60px;
    width: 16%;

}

a {
    color: white;
    padding: 20px;
    margin: 0px;
    text-decoration: none;
}

.nav li:hover {
    border-bottom: 2px solid rgba(0, 136, 255);
}

.nav li:hover .nav-product {
    width: 200px;
    height: 150px;
    display: block;
}

.nav-product {
    width: 200px;
    height: 150px;
    padding-top: 30px;
    margin-top: 2px;
    display: none;
    position: absolute;
    background-color: #ffffff;
    z-index: 100;
}

.nav-product a {
    color: #000000;
    padding: 0;
}

.nav-product li {
    width: 200px;
    height: 30px;
    line-height: 30px;
    text-align: left;
    text-indent: 2em;
    clear: both;
}

.nav-product li:hover {
    background-color: #1287d5;
    border: 0;
}

.search {
    width: 20%;
    height: 60px;
    float: right;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-title {
    width: 100%;
    height: 75px;
    text-align: center;
    color: #ffffff;
    /* float: left; */
    /* margin-top: 200px; */
}

.header-title h1 {
    margin-left: -20px;
}

.classify {
    width: 100%;
    height: 60px;
    background-color: #dddddd;
}

.classify-center {
    width: 1400px;
    height: 100%;
    margin: auto;
}

.classify-img {
    width: 71px;
    height: 60px;
    background-color: #1287d5;
    float: left;
}

.classify-img a {
    margin: 0;
    padding: 0;
}

.classify-center ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    float: left;
}

/* 为每个链接设定样式 */
.product-center {
    width: 120px;
    height: 60px;
    display: inline-block;
    color: black;
    text-align: center;
    text-decoration: none;
    border-right: 1px #cdcdcd solid;

}

.product-menu {
    display: inline-block;
}

.hide {
    position: absolute;
    background-color: #dddddd;
    z-index: 10;
    width: 120px;
    overflow: hidden;
    height: 0;
    transition-duration: 0.5s;
}

.hide a {
    display: block;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    text-align: center;
}

.hide a:hover {
    background-color: #1287d5;
    color: #ffffff;
}

.product-menu:hover .hide {
    height: 180px;
}

.footer {
  color: #b3b3b3;
  background: #181818;
  margin-top: 30px;
  clear: both;
  position: relative;
  z-index: 10;
}

.footer .footer-wrapper {
  border-bottom: 1px solid #3c3c3c;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px 0;
}

.footer .footer-wrapper:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}

.footer-info {
  margin: 0 40px;
  color: #fff;
  text-align: center;
}

.footer .footer-wrapper .footer-info {
  float: none;
}

.footer .footer-wrapper .footer-nav {
  float: none;
  display: flex;
  justify-content: space-between;
  width: auto;
  margin: 0 40px;
}

.footer-nav {
  margin: 20px 0;
  display: flex;
  gap: 40px;
}

.footer-nav dt {
  margin-left: 0;
  text-align: center;
}

.footer-nav dl {
  margin: 0;
  padding: 0;
  text-align: center;
}

.footer .m-footer-code {
  display: none;
}

.footer-info p {
  margin-bottom: 10px;
  font-size: 16px;
}

.footer-info .footer-info-tit {
  margin-bottom: 20px;
  color: #fff;
}

.footer-info .footer-info-tel .p1 {
  font-size: 16px;
}

.footer-info .footer-info-tel .p2 {
  font-size: 24px;
  margin: 5px 0;
  color: #fff;
}

.footer-info-email {
  margin: 5px 0;
}

.footer-nav dd {
  margin: 4px 0; /* 进一步减小dd之间的间距 */
  padding: 0;
  text-align: center; /* 确保dd内容居中 */
}

.footer-nav dd a {
  font-size: 16px;
  display: block;
  line-height: 1.2; /* 减小行高 */
  padding: 2px 0; /* 减小内边距 */
}

.footer-nav dd a span {
  display: block;
  -webkit-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  -ms-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
}

.footer-nav dd:hover a span {
  color: #0f6ab4;
  -webkit-transform: translateX(-6px);
  -moz-transform: translateX(-6px);
  -ms-transform: translateX(-6px);
  -o-transform: translateX(-6px);
  transform: translateX(-6px);
}

.copyright {
    width: 100%;
    height: 60px;
    float: left;
    line-height: 60px;
    text-align: center;
    background-color: #000000;
    color: #fff;
}