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

@font-face {
    font-family: 'Source Han Sans CN';
    src: url('../fonts/SourceHanSansCN-Regular.otf');
}

body {
    font-size: 14px;
    color: #333;
    background: #fff;
    width: 100vw;
    overflow-x: hidden;
    overflow-y: auto;
    font-family: 'Source Han Sans CN';
}

a {
    text-decoration: none;
    color: #333;
}

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

.click:active {
    opacity: 0.8;
}

/* logo menu */
.logo {
    width: 8.3333vw;
    height: 2.8125vw;
    position: fixed;
    top: 3.125vw;
    left: 8.3333vw;
    z-index: 111;
    cursor: pointer;
}

.logo img {
    width: 100%;
    /* height: 100%; */
}


.menu {
    width: 8vw;
    position: fixed;
    top: 4.2188vw;
    right: 10.6771vw;
    color: #CCCCCC;
    z-index: 111;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2vw;
    cursor: pointer;
}

.menu .leftlong,
.menu .rightlong {
    width: 2vw;
    height: 2px;
    background-color: #3F3F3F;
    top: calc(.3vw + 1px);
}

.menu .leftshort,
.menu .rightshort {
    width: 1.5vw;
    height: 2px;
    background-color: #CFCFCF;
    bottom: calc(.3vw + 1px);
}

.menu .leftlong,
.menu .leftshort {
    position: absolute;
    right: 6.5vw;
    z-index: 1;
    transition: width .3s linear;
}

.menu .rightlong,
.menu .rightshort {
    position: absolute;
    left: 6.5vw;
    z-index: 1;
    width: 0;
    transition: width .3s linear;
}

.menu .rightlong.active {
    width: 2vw;
}

.menu .rightshort.active {
    width: 1.5vw;
}

.menu .leftshort.active {
    width: 0;
}

.menu .leftlong.active {
    width: 0;
}

nav {
    width: 100vw;
    height: 70px;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 999;
    /* box-shadow: 0 0 11px rgb(0 0 0 / 30%); */
}

.nav {
    width: 81vw;
    height: 70px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav .logo {
    position: unset;
}

nav .menu {
    position: relative;
    top: 0;
    right: 0;
    z-index: 1;
}


/* 页脚 */
/* 地址 */
.address {
    width: 100vw;
    text-align: center;
    font-size: 0.8333vw;
    font-family: Source Han Sans CN;
    font-weight: 300;
    color: #000000;
    line-height: 1.6667vw;
    padding: 4.4271vw 3.4896vw;
    background-color: #efefef;
}

.address p {
    text-align: left;
}

.company {
    margin-right: 2.8125vw;
}

.address .xian {
    margin-bottom: 1.3542vw;
    height: 0.1042vw;
    width: 1.5625vw;
    background-color: #3d3d3d;
}

.company .xian {
    margin-bottom: 1.3542vw;
    background-color: #E72410;
    height: 0.1042vw;
    width: 1.5625vw;
}

.company p {
    color: #E72410;
    font-size: 0.9375vw;
    font-weight: bold;
}

.address>div {
    display: inline-block;
    vertical-align: top;
}

.add {
    margin-right: 3.4896vw;
}

.app {
    margin-right: 4.2188vw;
}

.job {
    margin-right: 3.9583vw;
}

.erweima {
    display: flex;
    flex-direction: column;

}

.tupian {
    width: 4.9479vw;
    height: 4.9479vw;
}

.tupian img {
    vertical-align: none;
    width: 100%;
    height: 100%;
}

.erweima span {
    font-size: 0.625vw;
}

/* 底部 */
.bottom {
    width: 100vw;
    height: 7.4479vw;
    /* padding: 2.3958vw 0 3.3333vw; */
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #1A1A1A;

}

.bottom .copy {
    margin-right: 7.7604vw;
    font-size: 0.9896vw;
    font-family: Source Han Sans CN;
    font-weight: 300;
    color: #1A1A1A;

}

.bottom .logoBottom {
    width: 5.1563vw;
    height: 1.7188vw;
}

.bottom .logoBottom img {
    width: 100%;
    height: 100%;
}

.bottom .shuxian {
    width: 0.1042vw;
    height: 1.4583vw;
    background-color: #919191;
    margin: 0.2604vw 1.3542vw 0 1.5625vw;
    /* line-height: 1.7188vw; */
}

.bottom .ad {
    letter-spacing: 1.0417vw;
    font-size: 0.9896vw;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #1A1A1A;

}


.catalogue {
    /* overflow: hidden; */
    background: url(../img/logogif2.gif) no-repeat;
    background-size: contain;
    background-color: #fff;
    width: 100vw;
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 55;
}

.catalogue.active {
    display: block;
}


.catalogue .wenzi {
    position: absolute;
    /* top: 10.5208vw; */
    top: 200px;
    left: 22.6563vw;
    color: #1A1A1A;
    font-family: Helvetica;
}

.catalogue li {

    display: flex;
    align-items: center;
    margin-bottom: 2vw;
    list-style: none;
    color: #1A1A1A;
}

.catalogue li span {
    font-size: 1.25vw;
    font-weight: 400;
    margin-right: 2.0833vw;
}

.catalogue li p {
    display: inline-block;
    font-size: 90px;
    font-weight: bold;
    padding-bottom: 2px;
    line-height: 1.2;

}

.catalogue .xia {
    display: inline-block;
}

.catalogue .xiaxian {
    transition: opacity .3s;
    opacity: 0;
    width: 100%;
    height: 0.2604vw;
    background-color: #F1DDDB;
}

.catalogue .li {
    width: 0;
    height: 100%;
    background-color: red;
    transition: all 1s;
}

.catalogue li:hover .xiaxian {
    opacity: 1;
}

.catalogue li:hover .li {
    width: 100%;
}

.catalogue li:hover .xia {
    color: red;
}