:root{
    --mainColor: #ee1c25;
    --bgColor: #f0f0ed;
}

.mainColor {
    color: #ee1c25
}
.main {
    width: 12.8rem;
    margin: 0 auto;
}
header {
    z-index: 2;
    width: 100%; height: 1.72rem;
    font-size: 0;
}
header .head-top {
    height: .58rem;
    background-color: #383431;   
}
header .head-top .left {
    float: left;
    font-size: .16rem;
    color: #ccc;
    line-height: .58rem;
}
header .head-top .right {
    float: right;
    font-size: .24rem;
    line-height: .58rem;
    color: #929292;
}
header .head-top .right > i {
    padding: 0 .04rem;
}
header .nav {
    height: 1.15rem;
}
header .logo {
    margin-top: .17rem;
    float: left;
}
header .nav nav {
    margin-top: -2px;
    font-size: .16rem;
    float: right;
    width: 85%;
}
header .nav ul {
    display: flex;
    float: right;
}
header .nav ul li {
    line-height: 1.15rem;
}
header .cur {
    color: #fff;
    background: #ba141c;
}
header ul li a {
    display: inline-block;
    padding: 0 .26rem;
    height: 100%;
    color: #383431;
    vertical-align: top;
    font-size: .18rem;
}
header ul li a:hover {
    background-color: #ba141c;
    color: #fff;
    opacity: .8;
}
/*banner*/
#banner{
    width: 100%;
}
.banner .swiper-wrapper .swiper-slide {
    width: 100%; height: 7.42rem;
    background-repeat: no-repeat;
    background-position: center;
    font-size: 0;
    background-size: cover;
}
.banner .swiper-wrapper .swiper-slide::before {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    background-color: rgba(0, 0, 0, .35);
}
.banner .swiper-wrapper .swiper-slide .main {
    position: relative;
}
.banner .swiper-wrapper .swiper-slide:nth-of-type(4n-1) {
    background-image: url(../images/banner01.jpg);
}
.banner .swiper-wrapper .swiper-slide:nth-of-type(4n-2) {
    background-image: url(../images/banner02.jpg);
}
.banner .swiper-wrapper .swiper-slide:nth-of-type(4n) {
    background-image: url(../images/banner03.jpg);
}
.banner .swiper-wrapper .swiper-slide:nth-of-type(4n-3) {
    background-image: url(../images/banner04.jpg);
}
.banner .banner-text {
    position: absolute;
    right: 0; top: 13.6vw; 
    width: 6.78rem;
    text-align: right;
}
.banner .line1 {
    font-size: .54rem;
    font-weight: bold;
    color: #fff;
    line-height: .8rem;
    font-style: italic;
}
.banner .line2 {
    font-size: .3rem;
    color: #fff;
    line-height: .58rem;
    width: 100%;
}
.banner .line2 .next-line {
    display: block;
}
.banner .button {
    margin-top: .45rem;
    font-size: .16rem;
    width: 2.8rem; height: .48rem;
    line-height: .46rem;
    text-align: center;
    display: inline-block;
    background-color: var(--mainColor);
    color: #fff;
    transition: all .4s ease-in-out;
    position: relative;
    border: 2px solid transparent;
    border-left: 0;
    border-right: 0;
    box-sizing: border-box;
}
.banner .button::before {
    left: 50%;
    position: absolute;
    transform: translateX(.5rem);
}
.banner .button:hover {
    opacity: .87;
}

#banner .swiper-button-prev,
#banner .swiper-button-next {
    background-image: unset;
    position: absolute;
    left: unset;
    right: .35rem;
    width: .44rem; height: .44rem;
    text-align: center;
    line-height: .44rem;
    font-size: .24rem;
    color: var(--mainColor);
    background-color: rgba(255, 255, 255, .35);
}
#banner .swiper-button-prev {
    left: .35rem;
}
#banner .swiper-button-prev:hover,
#banner .swiper-button-next:hover {
    background-color: rgb(255, 255, 255, .6);
}
.mobile-car {
    display: none;
}
.icon {
   width: 1em; height: 1em;
   vertical-align: -0.15em;
   fill: currentColor;
   overflow: hidden;
}
.menu {
    display: none;
}
@media (max-width: 640px) {
.main {
    width: 100%;
}
header {
    height: .32rem;
}
header .nav {
    margin-top: .1rem;
    height: 100%;
    position: relative;
}
header .nav nav {
    width: 0;
}
header .nav nav.open {
    width: 50%;
}
header .cur {
    background-color: unset;
    border-bottom: 4px solid var(--mainColor);
    color: #333;
}
.menu.iconfont {
    display: block;
    position: absolute;
    right: .15rem; top: .03rem;
    font-size: .24rem;
    color: var(--mainColor)
}
header .head-top {
    display: none;
}
header .logo {
    margin: 0 .15rem .1rem .15rem;
    width: auto; height: 100%;
    position: relative;
    z-index: 3;
}
header .logo img {
    max-height: 100%;
}
/*菜单栏*/
nav {
    width: 50vw; height: 100vh;
    background-color: #f0f0f0;
    position: fixed;
    top: 0; left: -50vw;;
    z-index: 2;
    transition: all 1s ease-in-out;
}
header .nav ul {
    width: 100%; height: 60%;
    margin-top: 10vh;
    flex-wrap: wrap;
}
header .nav ul li {
    width: 100%;
    line-height: 9vh;
}
.mobile-car {
    display: block;
    width: 80%; height: .46rem;
    position: absolute;
    left: 0; bottom: 10vh;
    border-bottom: 2px solid #888;
}
.mobile-car .car {
    position: absolute;
    left: 0;
    width: .51rem; height: .51rem;
    transition: margin 1.8s ease-in-out;
    transform: translateX(-100%);
}
.mobile-car .car .icon {
    width: 100%; height: 100%;
}
.mobile-car .gear {
    position: absolute;
    left: 8%; top: -.3rem;
    font-size: .36rem;
    color: var(--mainColor);
    transition: transform 1.8s ease-in-out;
    transform-origin: center;
}
.mobile-car .gear.small {
    font-size: .24rem;
    left: unset; right: 4%;
    top: unset; bottom: -.6rem;
}
nav.open {
    left: 0;
}
.open .gear {
    transform: rotate(360deg);
}
.open .mobile-car .car {
    margin-left: 100%;
}
/*banner*/
.banner .swiper-wrapper .swiper-slide {
    height: 3rem;
    background-size: cover;
}
.banner .banner-text {
    width: 100%;
    text-align: center;
}
.banner .line1 {
    font-size: .3rem;
    text-align: center;
}
.banner .line2 {
    text-align: center;
    font-size: .18rem;
}
.banner .button {
    margin-top: .16rem;
    width: 1.6rem;
    line-height: .43rem;
}
#banner .swiper-button-prev, #banner .swiper-button-next{
    right: .15rem;
    width: .3rem;
}
#banner .swiper-button-prev {
    left: .15rem;
}












}