html,
body {
    width: 100%;
    height: 100%;
    overflow-y: hidden;
}

.ctctx {
    width: 100%;
    height: 100%;
    background: #fff;
    color: black;
    text-align: center;
}

/* 手机端头部导航按钮 */
/* 开始 */
#navigation #burger {
    background: none;
    top: 0px;
    width: 50px;
    height: 100%;
    right: 0px;
    display: block;
    position: absolute;
    z-index: 99999;
    cursor: pointer;
}

#navigation #burger .burger-icon::before {
    top: -5px;
}

#navigation #burger .burger-icon::before {
    position: absolute;
    content: "";
}

#navigation #burger .burger-icon::before {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}


#navigation #burger .burger-icon::after {
    top: 5px;
}

#navigation #burger .burger-icon::after {
    position: absolute;
    content: "";
}

#navigation #burger .burger-icon::after {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}


#navigation #burger .burger-icon {
    margin-top: 20px;
    margin-bottom: 5px;
    margin-left: 15px;
    position: relative;
    -ms-user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;

}

#navigation #burger .burger-icon {
    margin-top: 20px;
    margin-bottom: 5px;
    margin-left: 15px;
    position: relative;
    -ms-user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#navigation #burger .burger-icon {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}

@media (max-width: 700px) {
    #navigation_mobile .content {
        padding-top: 60px;
    }

}

.link_line {
    width: 90%;
    height: 1px;
    margin: auto;
    background-color: rgb(136, 132, 132);
}

#navigation_mobile .content {
    /* top: 0px;
    width: 100%;
    bottom: 0px;
    padding-top: 60px;
    position: absolute;
    -ms-overflow-x: hidden;
    -ms-overflow-y: auto; */
    top: 0px;
    width: 100%;
    bottom: 0px;
    /* padding-top: 90px; */
    position: absolute;
    height: 44%;
    background-color: #1A1A1C;
    color: #fff !important;
    -ms-overflow-x: hidden;
    -ms-overflow-y: auto;
    z-index: 999;
}

#navigation_mobile .link {
    padding: 10px 0px 10px 20px;
    display: block;
}

.style1 {
    text-transform: uppercase;
    line-height: 0.8;
    letter-spacing: 0.04em;
    font-size: 102px;
    font-weight: 900;
}

@media (max-width: 700px) {
    .style1 {
        font-size: 20px;
        color: #fff;
    }
}

#navigation_mobile {
    /* background: rgb(255, 255, 255); */
    width: 100%;
    height: 100%;
    color: rgb(0, 0, 0);
    visibility: hidden;
    position: fixed;
    z-index: -9;
    opacity: 0;
    top: 0px;
}

#navigation .active#burger .burger-icon::after {
    transform: translateY(-5px) rotate(-45deg);
    -webkit-transform: translateY(-5px) rotate(-45deg);
}

#navigation #burger .burger-icon::before {
    top: -5px;
}

#navigation #burger .burger-icon::before {
    position: absolute;
    content: "";
}

#navigation #burger .burger-icon::before {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}

#navigation .active#burger .burger-icon::before {
    transform: translateY(5px) rotate(45deg);
    -webkit-transform: translateY(5px) rotate(45deg);
}

#navigation #burger .burger-icon::before {
    top: -5px;
}

#navigation #burger .burger-icon::before {
    position: absolute;
    content: "";
}

#navigation #burger .burger-icon::before {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}

#navigation .active#burger .burger-icon {
    background-color: transparent;
}

#navigation #burger .burger-icon {
    width: 15px;
    height: 3px;
    display: block;
    transition-property: background-color, transform;
    transition-duration: 0.3s;
    background-color: rgb(247, 238, 238);
}

#navigation #burger .burger-icon {
    margin-top: 20px;
    margin-bottom: 5px;
    margin-left: 15px;
    position: relative;
    -ms-user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#navigation {
    background: rgba(0, 0, 0, 0.72);
    transition: height 1s ease-in-out, right 1s ease-in-out, color 1s ease-in-out, background 1s ease-in-out;
    left: 0px;
    top: 0px;
    height: 46px;
    right: 0px;
    color: rgb(51, 51, 51);
    overflow: hidden;
    position: fixed;
    z-index: 644;
}

#navigation .logo {
    transition: top 1s ease-in-out, height 1s ease-in-out, width 1s ease-in-out;
    left: 100px;
    top: 3px;
    width: 250px;
    height: 25px;
    position: absolute;
}

#navigation .btn_container {
    transition: top 1s ease-in-out;
    top: 0px;
    height: 46px;
    right: 100px;
    overflow: hidden;
    position: absolute;
}

#navigation .btn_container .link {
    margin: 0px 20px;
    transition: line-height 1s ease-in-out, height 1s ease-in-out;
    height: 46px;
    line-height: 49px;
    font-family: "微软雅黑";
    font-weight: bold;
    display: inline-block;
    position: relative;
    text-decoration: none;
}

.btn_container .link {
    letter-spacing: 5px;
    font-size: 12px;
    margin: 0px 20px;
    transition: line-height 1s ease-in-out, height 1s ease-in-out;
    font-weight: bold;
    display: inline-block;
    position: relative;
    height: 55px;
    line-height: 55px;
    color: #fff;
    text-decoration: none;
}

.style14 {
    text-transform: uppercase;
    line-height: 1.12;
    letter-spacing: 0.15em;
    font-size: 12px;
    font-weight: 900;
}

@media (min-width: 900px) {
    #navigation_mobile {
        display: none;
    }
}

@media (max-width: 900px) {
    #navigation .btn_container {
        display: none;
    }
}

@media (max-width: 1050px) {
    #navigation .btn_container {
        right: 20px;
    }
}

@media (max-width: 1050px) {
    #navigation .logo {
        left: 20px;
        top: 3px;
        width: 200px;
        height: 25px;
    }
}

@media (min-width: 900px) {
    #navigation #burger {
        display: none;
    }
}

/* 结尾 */

.img_container {
    width: 100%;
    height: 42%;
}

.fs_sy {
    font-family: "微软雅黑";
}

.footer_bottom {
    width: 100%;
    height: 58%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background-color: #fff !important;
}

.footer_head {
    /* border: 1px solid #000; */
    width: 99%;
    height: 50px;
    /* display: flex;
	justify-content: space-between;
	align-items: center; */
    font-size: 14px;
    position: relative;
}

.footer_head_item1 {
    width: 6%;
    width: 11%;
    height: 20px;
    position: absolute;
    top: 30%;
    left: 13%;
}

.footer_head_item2 {
    width: 14%;
    height: 20px;
    position: absolute;
    top: 30%;
    left: 25%;
}

.footer_head_item3 {
    width: 14%;
    height: 20px;
    /* border: 1px
    solid #000; */
    position: absolute;
    top: 30%;
    left: 41%
}

.footer_head_item4 {
    width: 14%;
    height: 20px;
    /* border: 1px
    solid #000; */
    position: absolute;
    top: 30%;
    left: 57%;
}

.footer_head_item5 {
    width: 8%;
    height: 20px;
    /* border: 1px
    solid #000; */
    position: absolute;
    top: 30%;
    left: 73%;
}

.a_active:hover {
    color: red !important;
    user-select: none;
}


.footer_foot {
    /* border: 1px solid #fff; */
    width: 72%;
    height: 33%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer_item {
    width: 27%;
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-start;
    /* border: 1px solid #fff; */
    border-right: 1px solid silver;
}

.footer_one {
    width: 200px;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}


.footer_line {
    width: 78%;
    height: 1px;
    background: #D9D9D9;
}

.join_footer {
    width: 100%;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    background-color: #F3F3F3;
}

.topmenu {
    background: rgb(0, 0, 0);
    transition: height 1s ease-in-out, right 1s ease-in-out, color 1s ease-in-out, background 1s ease-in-out;
    height: 55px;
    color: rgb(51, 51, 51);
    overflow: hidden;
    position: relative;
    z-index: 8;
}

.topmenu .logo {
    transition: top 1s ease-in-out, height 1s ease-in-out, width 1s ease-in-out;
    left: 100px;
    position: absolute;
    top: 10px;
    width: 284px;
    height: 30px;
}

.topmenu .btn_container {
    transition: top 1s ease-in-out;
    top: 0px;
    right: 100px;
    overflow: hidden;
    position: absolute;
    height: 46px;
    z-index: 999;
}

.btn_container .link {
    letter-spacing: 5px;
    font-size: 12px;
    margin: 0px 20px;
    transition: line-height 1s ease-in-out, height 1s ease-in-out;
    font-weight: bold;
    display: inline-block;
    position: relative;
    height: 55px;
    line-height: 55px;
    color: #fff;
    text-decoration: none;
}

.btn_container .active {
    background-color: red;
    padding: 5px;
}


@media all and (max-width:900px) {
    .topmenu .logo {
        width: 100%;
        height: 46px;
        position: absolute;
        top: -12%;
        left: -29%;
    }

    .topmenu {
        width: 100%;
        height: 46px;
    }

    .logo .logo_img {
        height: 100px;
        position: absolute;
        top: -8%;
        left: 31%;
    }

    .img_container {
        width: 100%;
        height: 20%;
        object-fit: fill;
    }

    .footer_bottom {
        display: none;
    }
}


@media all and (min-width:900px) {
    .mobile_contact {
        display: none;
    }
}

.mobile_contact {
    width: 100%;
    height: 80%;
}

.moblie_section {
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}

.tal {
    text-align-last: left;
}

.beijing_company {
    width: 90%;
    height: 26%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-start;
}

.chengdu_company {
    width: 90%;
    height: 26%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-start;
}

.shenzhen_company {
    width: 90%;
    height: 26%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.beijing_head {
    width: 100%;
    height: 35px;
    display: flex;
    flex-direction: column;
    color: #000;
    justify-content: space-between;
    align-items: flex-start;
}

.beijing_bottom {
    width: 100%;
    height: 75px;
    display: flex;
    color: #000;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.chengdu_head {
    width: 100%;
    height: 35px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #000;
    align-items: flex-start;
}

.chengdu_bottom {
    width: 100%;
    height: 75px;
    display: flex;
    color: #000;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.shenzhen_head {
    width: 100%;
    height: 35px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #000;
    align-items: flex-start;
}

.shenzhen_bottom {
    width: 100%;
    height: 75px;
    color: #000;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.beijing_line {
    width: 100%;
    height: 1px;
    background-color: silver;
}

.shenzhen_line {
    width: 100%;
    height: 1px;
    background-color: silver;
}


.chengdu_line {
    width: 100%;
    height: 1px;
    background-color: silver;
}