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

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none !important;
}

#main {
    overflow: hidden;
}

input,
button {
    outline: none;
    border: none;
}

#header {
    background-color: #313131;
    color: #fff;
    padding: 18px 0;
}

.header-con {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    width: 300px;
}

#header nav a {
    color: #fff;
    margin-left: 24px;
}

#header .navbar {
    background-color: #313131;
    height: 60px;
}

.navbar-toggler {
    background-color: #fff !important;
}

.banner {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner>img {
    width: 100%;
}

.banner-con {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.text1 {
    width: 400px;
}

.text2 {
    width: 500px;
}

.text3 {
    width: 500px;
}

.search {
    margin-top: 40px;
    display: flex;
    width: 600px;
    height: 50px;
    border-radius: 25px;
    background-color: #fff;
}

.search>input {
    width: 480px;
    border-radius: 25px;
    height: 50px;
    padding: 0 40px;
}

.search-btn {
    width: 120px;
    background-color: #303131;
    border-radius: 0 25px 25px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.search-btn>img {
    width: 40px;
}

.about {
    display: flex;
    align-items: center;
    padding: 40px 0;
    justify-content: space-between;
}

.about .left {
    width: 60%;
    position: relative;
    display: flex;
    align-items: center;
}

.about .left>img {
    width: 100%;
    z-index: 2;
    position: relative;
}

.about .left .line {
    position: absolute;
    right: 0;
    width: auto;
    height: 500px;
}

.about .right {
    width: 60%;
    background-image: url(../../images/bg1.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    position: absolute;
    right: 0;
    z-index: 1;
    padding: 48px 0 58px 0;
    display: flex;
    justify-content: center;
}

.about h1,
.about h2 {
    color: #4c4c4c;
}

.about h1 {
    font-size: 40px;
}

.about h2 {
    font-size: 28px;
    margin-bottom: 32px;
}

.about p {
    color: #6b6b6b;
    font-size: 20px;
    margin-bottom: 20px;
}

.about-con {
    padding-left: 100px;
}

.more {
    position: absolute;
    right: 100px;
    bottom: 50px;
    background-color: #313131;
    color: #fff;
    border-radius: 4px;
    padding: 2px 18px;
    transition: all 0.2s;
}

.more:hover {
    background-color: rgba(0, 0, 0, 0.2);
    color: rgba(0, 0, 0, 0.8);
}

.line2 {
    position: absolute;
    right: 60px;
    bottom: 35px;
    width: 1px;
    height: 200px;
    background-color: #4d4d4d;
}

.line2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: #4d4d4d;
}

.sidebar {
    position: fixed;
    top: 200px;
    right: 0;
    z-index: 99;
    background-color: #313131;
    padding: 20px 15px;
    border-radius: 10px 0 0 10px;
    display: flex;
    flex-direction: column;
}

.sidebar-item {
    width: 30px;
    padding: 10px 0;
    position: relative;
}

.sidebar-item img {
    width: 100%;
}

.sidebar-item>span {
    font-size: 12px;
    color: #fff;
    width: 16px;
    height: 16px;
    position: absolute;
    right: -8px;
    bottom: 2px;
    background-color: #bf9f62;
    border-radius: 50%;
    text-align: center;
    line-height: 16px;
}

.products {
    padding: 40px 0;
}

.title-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.title {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    color: #4c4c4c;
}

.title-wrap .title-line {
    width: 4px;
    height: 50px;
    background-color: #bf9f62;
    margin: 0 30px;
}

.title .cn {
    font-size: 40px;
    line-height: 44px;
}

.title .en {
    font-size: 28px;
    line-height: 44px;
}

.products-list {
    padding: 100px 0;
}

.products-item {
    display: flex;
    position: relative;
    align-items: center;
}

.circle {
    position: relative;
}

.circle-img {
    width: 600px;
}

.circle .img1 {
    position: absolute;
    width: 250px;
    top: -80px;
    left: 100px;
}

.circle .img2 {
    position: absolute;
    width: 500px;
    position: absolute;
    right: -100px;
    bottom: -40px;
}

.products-item h1 {
    font-size: 40px;
    color: #4c4c4c;
    margin: 20px 0;
}

.products-item .context {
    margin-left: 180px;
    position: relative;
}

.products-item .context>p {
    font-size: 20px;
    color: #4c4c4c;
    line-height: 44px;
}

.products-item .context .more {
    right: 0;
    bottom: inherit;
}

.products-item.change {
    justify-content: space-between;
}

.products-item.change .context {
    margin-right: 180px;
    margin-left: 0;
}

.products-item.change .context .more {
    right: inherit;
    left: 0;
}

.products-item.change .circle .img1 {
    left: inherit;
    right: 100px;
}

.products-item.change .circle .img2 {
    right: inherit;
    left: -100px;
}

.hot-product {
    padding: 40px 0;
}

.hot-product-list {
    padding: 60px 0;
    position: relative;
}

.hot-product-list .swiper-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hot-product-list .swiper-slide .img {
    width: 100%;
    background-image: url(../../images/bg3.png);
    background-size: 100% auto;
}

.hot-product-list .swiper-slide .img img {
    width: 100%;
}

.hot-product-list .swiper-slide h1 {
    font-size: 20px;
    color: #313131;
    font-weight: 400;
    margin-top: 20px;
}

.hot-product-list .swiper-slide p {
    font-size: 18px;
    color: #313131;
    font-weight: 400;
    margin-bottom: 0;
}

.hot-product-list .swiper-slide .more {
    margin-top: 20px;
    position: initial;
    border-radius: 0;
}

.hot-product-list .swiper-button-next {
    position: absolute;
    margin-top: -110px;
    right: -70px;
    z-index: 50;
    width: 50px;
}

.hot-product-list .swiper-button-next img,
.hot-product-list .swiper-button-prev img {
    width: 100%;
}

.hot-product-list .swiper-button-next::after,
.hot-product-list .swiper-button-prev::after {
    content: "";
}

.hot-product-list .swiper-button-prev {
    position: absolute;
    left: -70px;
    z-index: 50;
    width: 50px;
    margin-top: -110px;
}

.partner {
    padding: 40px 0;
    background-image: url(../../images/bg4.png);
    background-size: 100% auto;
    color: #fff;
}

.partner-about {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.partner-about-left {
    position: relative;
}

.partner-about-left>h1 {
    font-size: 40px;
}

.partner-about-left>h2 {
    font-size: 28px;
}

.partner-about-left::before {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0px;
    width: 30px;
    height: 2px;
    background-color: #fff;
}

.partner-about-right {
    width: 70%;
    font-size: 20px;
    line-height: 38px;
}

.partner-list {
    margin-top: 20px;
    display: flex;
    align-items: center;
}

.partner-list .swiper-slide {
    display: flex;
    align-items: center;
}

.partner-list .swiper-slide .partner-item {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
    align-items: center;
}

.partner-list .swiper-slide .partner-item::before {
    content: "";
    position: absolute;
    right: -20px;
    width: 30px;
    height: 2px;
    background-color: #fff;
}

.partner-list .swiper-slide .partner-item .img {
    width: 75%;
    border: 1px dashed #fff;
    border-radius: 50%;
    padding: 8px;
}

.partner-list .swiper-slide .partner-item .img>img {
    width: 100%;
}

.swiper-button-prev2 {
    position: absolute;
    left: -10px;
    z-index: 50;
}

.swiper-button-next2 {
    position: absolute;
    right: -10px;
    z-index: 50;
}

.partner-list {
    position: relative;
    display: flex;
    align-items: center;
}

footer {
    background-image: url(../../images/bg5.png);
    background-size: 100% auto;
    background-repeat: repeat;
    padding-top: 40px;
    padding-bottom: 30px;
    color: #fff;
}

.footer-item {
    margin-bottom: 40px;
}

.footer-item>h1 {
    font-size: 27px;
    position: relative;
    display: inline-block;
    margin-bottom: 50px;
}

.footer-item>h1::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -12px;
    width: 100%;
    height: 4px;
    background-color: #bf9f62;
}

.icon-list {
    margin-bottom: 30px;
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.icon-item {
    flex: 1;
    display: flex;
    align-items: center;
}

.icon-item .img {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    background-color: #bf9f62;
}

.icon-item .img img {
    width: 20px;
}

.icon-item .info>h1,
.icon-item .info>h2 {
    font-size: 14px;
    font-weight: 400;
    line-height: 14px;
}

.icon-item .info>h2 {
    color: #a6a6a6;
}

.content {
    text-align: center;
    color: #bfbfbf;
    padding-top: 20px;
    border-top: 1px solid #ffffff;
}

.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    width: 100%;
    transition: all 0.5s linear;
}

.contact-banner {
    position: relative;
    display: flex;
    align-items: center;
}

.contact-banner>.img {
    width: 100%;
    display: flex;
}

.contact-banner>.bg {
    position: absolute;
    right: 0;
    height: 280px;
}

.contact-banner>.text {
    position: absolute;
    right: 100px;
    width: 500px;
}

.contact-about {
    position: relative;
    padding: 80px 0;
}

.crumbs-nav {
    color: #313131;
}

.active-font {
    color: #bf9f62;
}

.contact-about-context {
    margin-top: 40px;
}

.contact-about-title {
    position: relative;
    color: #bf9f62;
    font-weight: bold;
    display: inline-block;
}

.contact-about-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -20px;
    width: 280px;
    height: 2px;
    background-color: #bf9f62;
}

.contact-about-title .title-content {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.contact-about-title .cn {
    font-size: 52px;
}

.contact-about-title .en {
    font-size: 26px;
}

.contact-about .bg {
    position: absolute;
    top: 300px;
    left: 2%;
    width: 96%;
}

.contact-about .about-img {
    position: absolute;
    top: 100px;
    right: 5%;
    width: 42%;
}

.contact-about .about-img .about-img-content {
    position: relative;
}

.contact-about .about-img .about-img-content img {
    width: 100%;
    position: relative;
    z-index: 9;
    display: flex;
}

.contact-about .about-img::after {
    content: "";
    position: absolute;
    top: 20px;
    right: calc(5% - 50px);
    width: 100%;
    height: 100%;
    background-color: #bf9f62;
}

.contact-about-context .text {
    margin-top: 100px;
    color: #313131;
}

.contact-about-context .text .text4 {
    font-size: 24px;
    width: 640px;
    margin-left: 6%;
}

.contact-about-context .text .text5 {
    margin-top: 80px;
    font-size: 28px;
    color: #000000;
    margin-left: 7.4%;
    position: relative;
    display: flex;
    align-items: center;
}

.contact-about-context .text .text5::after {
    content: "";
    position: absolute;
    left: -20px;
    width: 8px;
    height: 8px;
    background-color: #bf9f62;
    border-radius: 50%;
    z-index: 9;
}

.contact-about-context .text .text6 {
    font-size: 22px;
    color: #313131;
    margin-top: 30px;
    width: 88%;
    margin-left: 6%;
    line-height: 52px;
}

.about-list {
    margin-top: 160px;
    margin-bottom: 40px;
}

.about-list-content {
    display: flex;
    justify-content: space-around;
}

.about-list-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #313131;
    position: relative;
    flex: 1;
}

.about-list-item>.img {
    position: relative;
    width: 160px;
    margin-bottom: 30px;
}

.about-list-item>.img>img {
    width: 100%;
}

.about-list-item>.img::after {
    content: "";
    position: absolute;
    left: -20px;
    top: -20px;
    width: 200px;
    height: 200px;
    border: 2px dashed #bf9f62;
    border-radius: 50%;
}

.about-list-item>h1 {
    font-size: 26px;
    margin: 10px 0;
}

.contact-certificate {
    position: relative;
}

.map-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.contact-certificate-content .contact-about-title {
    justify-content: flex-end;
    display: flex;
}

.contact-certificate-content .contact-about-title::after {
    left: inherit;
    right: 0;
}

.certificate-list {
    margin: 100px 0;
    display: flex;
    justify-content: space-between;
}

.certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.certificate-item>.img {
    height: 340px;
}

.certificate-item>p {
    margin-top: 20px;
    color: #fff;
    background-image: url(../../images/text_bg.png);
    padding: 0 20px;
}

.contact-history {
    margin-top: 200px;
}

.cd-container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 10%;
    border-radius: 2px;
}

.cd-container::after {
    content: "";
    display: table;
    clear: both;
}

#cd-timeline {
    position: relative;
    padding: 10px 0;
    margin-top: 80px;
    margin-bottom: 80px;
}

#cd-timeline::before {
    content: "";
    position: absolute;
    top: 0;
    left: 25px;
    height: 100%;
    width: 3px;
    background: #919191;
}

.cd-timeline-block {
    position: relative;
}

.cd-timeline-block:after {
    content: "";
    display: table;
    clear: both;
}

.cd-timeline-img {
    position: absolute;
    top: 8px;
    left: 20px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
}

.cd-timeline-img {
    background: #b0834f;
}

.cd-timeline-img::before {
    content: '';
    position: absolute;
    width: 200px;
    right: 0;
    top: 11.5px;
    margin-left: 2px;
    background-color: #b0834f;
    height: 2px;
    z-index: -1;
}

.cd-timeline-block.right .cd-timeline-img::before {
    right: inherit;
    left: 0;
}

.cd-timeline-img::after {
    content: '';
    background-color: #b0834f;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 25px;
    height: 25px;
    position: absolute;
    right: 70px;
    z-index: -1;
    top: 11px;
    transform: translateY(-50%);
    border-radius: 50%;
}

.cd-timeline-block.right .cd-timeline-img::after {
    right: inherit;
    left: 200px;
}

.cd-timeline-block.left .cd-timeline-content {
    float: left;
}

.cd-timeline-content {
    position: relative;
    margin-left: 60px;
    border-radius: 2px;
    color: #464646;
    font-weight: 200;
    padding-right: 240px;
    display: flex;
    flex-direction: column;
    margin-top: 5px;
    width: 50%;
}

.cd-timeline-block.left .cd-timeline-content {
    align-items: flex-end;
}

.cd-timeline-block.right .cd-timeline-content {
    padding-right: 0;
    padding-left: 240px;
    align-items: flex-start;
}

.cd-timeline-block:nth-child(2) .year,
.cd-timeline-block:nth-child(2) .cd-timeline-img::before,
.cd-timeline-block:nth-child(2) .cd-timeline-img::after,
.cd-timeline-block:nth-child(2) .cd-timeline-img {
    background-color: #f4db8c;
}

.cd-timeline-block:nth-child(2) .cd-timeline-img>i {
    border: 2px solid #f4db8c;
}

.cd-timeline-block:nth-child(3) .year,
.cd-timeline-block:nth-child(3) .cd-timeline-img::before,
.cd-timeline-block:nth-child(3) .cd-timeline-img::after,
.cd-timeline-block:nth-child(3) .cd-timeline-img {
    background-color: #7a5324;
}

.cd-timeline-block:nth-child(3) .cd-timeline-img>i {
    border: 2px solid #7a5324;
}

.cd-timeline-block:nth-child(4) .year,
.cd-timeline-block:nth-child(4) .cd-timeline-img::before,
.cd-timeline-block:nth-child(4) .cd-timeline-img::after,
.cd-timeline-block:nth-child(4) .cd-timeline-img {
    background-color: #bf855a;
}

.cd-timeline-block:nth-child(4) .cd-timeline-img>i {
    border: 2px solid #bf855a;
}

.cd-timeline-block:nth-child(5) .year,
.cd-timeline-block:nth-child(5) .cd-timeline-img::before,
.cd-timeline-block:nth-child(5) .cd-timeline-img::after,
.cd-timeline-block:nth-child(5) .cd-timeline-img {
    background-color: #f0cc7e;
}

.cd-timeline-block:nth-child(5) .cd-timeline-img>i {
    border: 2px solid #f0cc7e;
}

.cd-timeline-block:nth-child(6) .year,
.cd-timeline-block:nth-child(6) .cd-timeline-img::before,
.cd-timeline-block:nth-child(6) .cd-timeline-img::after,
.cd-timeline-block:nth-child(6) .cd-timeline-img {
    background-color: #fbcf00;
}

.cd-timeline-block:nth-child(6) .cd-timeline-img>i {
    border: 2px solid #fbcf00;
}

.cd-timeline-block:nth-child(7) .year,
.cd-timeline-block:nth-child(7) .cd-timeline-img::before,
.cd-timeline-block:nth-child(7) .cd-timeline-img::after,
.cd-timeline-block:nth-child(7) .cd-timeline-img {
    background-color: #c29e75;
}

.cd-timeline-block:nth-child(7) .cd-timeline-img>i {
    border: 2px solid #c29e75;
}

.txt {
    font-size: 18px;
    line-height: 36px;
    color: #464646;
    font-weight: 200;
}

.img_item {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-end;
}

.img_item .txt {
    padding-right: 30px;
    margin: 0;
    text-align: end;
}

.cd-timeline-block.right .img_item .txt {
    padding-right: 0;
    padding-left: 30px;
    text-align: left;
}

.cd-timeline-content .year {
    font-size: 40px;
    color: #fff;
    width: 300px;
    height: 50px;
    background-color: #b0834f;
    text-align: center;
    line-height: 50px;
}

.cd-timeline-content .text {
    font-size: 24px;
    color: #575756;
    margin: 20px 0;
}

.cd-timeline-content .img {
    max-width: 300px;
    display: flex;
}

.cd-timeline-content .img>img {
    width: 100%;
}

.cd-timeline-content .img6 {
    width: 145px !important;
}

.cd-timeline-content .img7 {
    width: 145px !important;
    margin-left: 10px;
}

.cd-timeline-content .img8 {
    width: 150px !important;
}

.cd-timeline-content .img4 {
    width: 200px !important;
}

.cd-timeline-block:nth-child(6) .cd-timeline-content .text {
    text-align: right;
}

@media only screen and (min-width: 1001px) {
    .cd-timeline-block {}
}

@media only screen and (min-width: 1001px) {
    #cd-timeline {
        margin-top: 80px;
        margin-bottom: 80px;
        padding: 10px 0;
    }
    #cd-timeline::before {
        left: 50%;
        margin-left: -2px;
    }
}

@media only screen and (min-width: 1001px) {
    .cd-timeline-img {
        width: 25px;
        height: 25px;
        left: 50%;
        margin-left: -13px;
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
    }
    .cd-timeline-img>i {
        display: block;
        width: 40px;
        height: 40px;
        left: 50%;
        margin-left: -7px;
        margin-top: -7px;
        border: 2px solid #b0834f;
        border-radius: 50%;
    }
}

@media (max-width: 767px) {
    .cd-container {
        width: 100%;
    }
    .cd-timeline-block .cd-timeline-img::before {
        width: 50px;
        right: inherit;
        left: 0;
    }
    .cd-timeline-block .cd-timeline-img::after {
        right: inherit;
        left: 50px !important;
        width: 13px;
        height: 13px;
        top: 7px;
    }
    .left .img_item {
        flex-direction: column-reverse;
    }
    .cd-timeline-content {
        align-items: flex-start;
    }
    .cd-timeline-content {
        padding-left: 28px !important;
    }
    .cd-timeline-content {
        padding-right: 20px;
    }
}

.cd-timeline-content:after {
    content: "";
    display: table;
    clear: both;
}

@media screen and (min-width:768px) and (max-width:1000px) {
    .cd-timeline-block .cd-timeline-img::before {
        width: 50px;
        right: inherit;
        left: 0;
    }
    .cd-timeline-block .cd-timeline-img::after {
        right: inherit;
        left: 50px !important;
        width: 20px;
        height: 20px;
    }
    .cd-timeline-content {
        align-items: flex-start;
    }
    .cd-timeline-content {
        padding-left: 60px !important;
    }
    .cd-timeline-content {
        padding-right: 20px;
    }
}

@media only screen and (min-width: 992px) {
    .cd-timeline-content {
        margin-left: 0;
    }
    .cd-timeline-content::before {
        top: 24px;
        left: 100%;
        border-color: transparent;
        border-left-color: #333c42;
    }
    .cd-timeline-block.right .cd-timeline-content {
        float: right;
    }
    .cd-timeline-block.right .cd-timeline-content::before {
        top: 24px;
        left: auto;
        right: 100%;
        border-color: transparent;
        border-right-color: #333c42;
    }
    .cd-timeline-block.left .cd-timeline-img::before {
        left: auto;
        right: 0;
    }
    .cd-timeline-block.left .cd-timeline-img::after {
        right: 200px;
        left: auto;
    }
}

@media screen and (max-width: 992px) {
    .logo-img {
        width: 200px;
    }
    .search {
        display: none;
    }
    .text-img {
        width: 200px;
    }
    .about .left {
        display: none;
    }
    .about .right {
        width: 100%;
        background-image: none;
        position: relative;
    }
    .about-con {
        padding: 0 20px;
    }
    .line2 {
        display: none;
    }
    .about {
        padding: 0;
    }
    .more {
        bottom: 0px;
        right: 20px;
    }
    .about h1 {
        font-size: 34px;
    }
    .about h2 {
        font-size: 24px;
    }
    .about p {
        margin-bottom: 10px;
    }
    .products-list {
        padding: 0;
    }
    .products-item {
        flex-direction: column;
    }
    .products-item .context {
        margin-left: 0;
        width: inherit;
    }
    .products-item.change {
        justify-content: center;
        flex-direction: column-reverse;
    }
    .products-item.change .context {
        margin-right: 0;
    }
    .circle {
        transform: scale(0.4);
        margin-left: -40px;
    }
    .title .cn {
        font-size: 30px;
    }
    .title .en {
        font-size: 20px;
    }
    .products-item.change .circle {
        margin-left: 40px;
    }
    .partner-about {
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 0 10px;
    }
    .partner-about-left>h1 {
        font-size: 30px;
    }
    .partner-about-left>h2 {
        font-size: 20px;
    }
    .partner-about-right {
        width: 100%;
        margin-top: 20px;
    }
    .partner {
        background-image: none;
        background: #bf9f62;
    }
    .icon-list {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }
    .icon-item {
        margin-bottom: 10px;
    }
    .footer-item>h1 {
        font-size: 20px;
    }
    .partner-list .swiper-slide .partner-item:last-child::before {
        content: "";
        width: 0;
    }
    .partner-list .swiper-slide .partner-item .img {
        width: 55%;
    }
    .banner,
    .contact-banner {
        margin-top: 60px;
    }
    .contact-banner>.bg {
        display: none;
    }
    .contact-banner>.text {
        display: none;
    }
    .contact-about .bg {
        display: none;
    }
    .contact-about-title .cn {
        font-size: 34px;
    }
    .contact-about-title .en {
        font-size: 20px;
    }
    .contact-about-title::after {
        width: 200px;
    }
    .contact-about .about-img {
        top: 125px;
    }
    .contact-about .about-img::after {
        width: 0;
    }
    .contact-about-context .text .text4 {
        width: inherit;
        margin-left: 0;
        font-size: 20px;
        padding: 0 10px;
    }
    .contact-about-context .text {
        margin-top: 60px;
    }
    .contact-about-context .text .text5 {
        font-size: 20px;
        margin-top: 40px;
        margin-left: 0;
        padding: 0 10px;
        font-weight: 500;
    }
    .contact-about-context .text .text5::after {
        left: -5px;
    }
    .contact-about-context .text .text6 {
        font-size: 20px;
        margin-left: 0;
        width: 100%;
        padding: 0 10px;
        line-height: 44px;
    }
    .about-list-content {
        flex-direction: column;
    }
    .about-list-item {
        margin-bottom: 60px;
    }
    .contact-about {
        padding: 60px 0;
    }
    .certificate-list {
        flex-direction: column;
        margin: 60px 0;
    }
    .certificate-item:nth-child(3)>.img {
        height: inherit;
        width: 100%;
    }
    .certificate-item {
        margin-bottom: 40px;
    }
    .cd-timeline-block {
        margin-bottom: 40px;
    }
    .cd-timeline-content {
        width: inherit;
    }
    .cd-timeline-block.left .cd-timeline-content {
        align-items: flex-start;
    }
    .cd-timeline-img::before {
        top: 6px;
    }
    .cd-timeline-block:nth-child(6) .cd-timeline-content .text {
        text-align: left;
    }
    .cd-timeline-content .year {
        width: 220px;
        font-size: 30px;
    }
    .cd-timeline-content .text {
        font-size: 17px;
    }
    .cd-timeline-content .img {
        width: 220px;
    }
    .cd-timeline-content .img {
        flex-direction: column;
    }
    .cd-timeline-content .img7 {
        margin-left: 0;
        margin-top: 10px;
    }
    .cd-timeline-block .cd-timeline-img>i {
        display: none;
    }
}

@media screen and (min-width:577px) and (max-width:820px) {
    .text-img {
        width: 400px;
    }
    .about .left {
        display: none;
    }
    .about .right {
        width: 100%;
        background-image: none;
        position: relative;
    }
    .about-con {
        padding: 0 20px;
    }
    .line2 {
        display: none;
    }
    .about {
        padding: 0;
    }
    .more {
        bottom: 0px;
        right: 20px;
    }
    .products-list {
        padding: 0;
    }
    .products-item {
        flex-direction: column;
        margin-bottom: 20px;
    }
    .products-item .context {
        margin-left: 0;
        margin-top: 40px;
        width: 500px;
    }
    .products-item.change {
        justify-content: center;
        flex-direction: column-reverse;
    }
    .products-item.change .context {
        margin-right: 0;
    }
    .circle {
        transform: scale(0.7);
    }
    .hot-product-list .swiper-button-prev {
        left: -20px;
    }
    .hot-product-list .swiper-button-next {
        right: -20px;
    }
    .icon-list {
        padding: 0;
    }
    .navbar {
        height: 100px;
    }
    .banner,
    .contact-banner {
        margin-top: 100px;
    }
    .contact-banner>.bg {
        display: none;
    }
    .contact-banner>.text {
        display: none;
    }
    .contact-about .bg {
        display: none;
    }
    .contact-about-context .text .text4 {
        width: inherit;
        margin-right: 6%;
    }
    .certificate-list {
        flex-direction: column;
    }
    .certificate-item {
        margin-bottom: 40px;
    }
    .certificate-item>.img {
        width: 50%;
        height: inherit;
    }
    .cd-timeline-img::before {
        top: 6px;
    }
    .cd-timeline-block:nth-child(6) .cd-timeline-content .text {
        text-align: left;
    }
    .cd-timeline-block .cd-timeline-img>i {
        display: none;
    }
    .cd-timeline-block {
        margin-bottom: 40px;
    }
    .cd-timeline-img {
        width: 20px;
        height: 20px;
    }
    .cd-timeline-block .cd-timeline-img::before {
        width: 120px;
    }
    .cd-timeline-content {
        margin-left: 160px !important;
    }
    .cd-timeline-block .cd-timeline-img {
        left: 16px;
    }
    .cd-timeline-block .cd-timeline-img::after {
        left: 120px !important;
    }
    .cd-timeline-block.right .cd-timeline-img::before {
        top: 8px;
    }
    .cd-timeline-content .img {
        flex-direction: column;
    }
    .cd-timeline-content .img6 {
        width: 300px !important;
    }
    .cd-timeline-content .img7 {
        width: 300px !important;
        margin-top: 10px;
        margin-left: 0;
    }
}

@media screen and (min-width:821px) and (max-width:992px) {
    .contact-banner>.bg {
        display: none;
    }
    .contact-banner>.text {
        display: none;
    }
}