/* 去除默认样式 */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
li,
ol,
dl,
dt,
dd,
form,
input {
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

ul,
ol {
    list-style: none;
}

img {
    border: 0;
    vertical-align: bottom;
}

a {
    text-decoration: none;
}

input,
select,
textarea,
button {
    outline: 0;
}

.bg {
    background-color: #F8F8F8;
}

.container {
    width: 1280px;
    margin: 0 auto;
}

/*头部导航*/
header {
    position: relative;
}

.nav {
    height: 100px;
    width: 100%;
}

.navcon {
    display: flex;
    align-items: center;
    height: 100px;
    justify-content: space-between;
}

.navul .actived {
    color: #000;
}

.logo a {
    display: flex;
    align-items: center;
    color: #000;
}

.logo a .a-text {
    font-size: 30px;
    font-weight: bold;
}

.logo a img {
    width: 50px;
    height: auto;
    margin-right: 10px;
}

.navul {
    color: #000;
}

.navul ul {
    display: inline-block;
    vertical-align: middle;
}

.navul ul li {
    display: inline-block;
    vertical-align: middle;
}

.navul ul li>a {
    display: block;
    padding: 30px 20px;
    color: #818E9B;
    font-size: 16px;
    line-height: 20px;
}

.navul ul li:hover>a,
.navul ul li.active>a {
    color: #000;
}

.navul ul li.lan {
    margin-left: 130px;
}

.navul ul li p {
    color: #fff;
    font-size: 16px;
}

.navul ul li p a {
    font-size: 16px;
    color: #fff;
}

.navul ul li p a.active,
.navul ul li p a:hover {
    color: #ff2900;
}

.navcon .phone {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 16px
}

.navcon .phone img {
    margin-right: 10px;
}

.navul2 {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    width: 20%;
    background-color: #fff;
    text-align: center;
    color: #333333;
    box-shadow: 0px 2px 3px 1px rgba(0, 0, 0, 0.16);
}

.navul2 li {
    line-height: 40px;
    border-bottom: 1px solid #E5E5E5;
}

.navul2 a {
    color: #000;
}

.navico {
    cursor: pointer;
    display: none;
    align-items: flex-end;
}

.navico i {
    display: none;
    width: 25px;
    height: 25px;
    background: url("../images/navico.png") no-repeat center;
    background-size: 23px;
    padding: 5px;
}

.navico.active {
    z-index: 10;
}

.navico.active i {
    background: url("../images/close.png") no-repeat center;
    background-size: 23px;
}

/* .banner{
    background: url('../images/banner.png') center;
    width: 100%;
    height: 460px;
} */
.banner img {
    width: 100%;
    height: auto;
    object-fit: contain;
    /* 按比例缩放以适应宽度并保持完整性 */
}


/* 下载 */
.download {
    background-color: #F8F8F8;
    padding: 100px 0;
}

.maincon-center {
    display: flex;
    justify-content: space-between;
}

.maincon-center>img {
    width: 50%;
    height: 300px;
}

.maincon-right {
    width: 48%;
}

.maincon-right h3 {
    font-size: 19px;
    font-weight: 500;
    margin-bottom: 28px;
}

.maincon-right .text {
    font-size: 16px;
    color: #818E9B;
    margin-bottom: 10px;
}

.maincon-right .asan {
    display: flex;
    margin-top: 60px;
    font-size: 14px;
    color: #000;
}


.maincon-right .asan>div>img {
    margin-top: 16px;
    width: 100px;
    height: 100px;
}

.maincon-right .asan p {
    width: 100px;
    height: 24px;
    border: 1px solid #707070;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 100px;
}

/*联系我们*/
.callus {
    display: flex;
    padding-top: 60px;
    justify-content: space-between
}

.callus .img6 {
    width: 50%;
}

.callus-left h3 {
    font-size: 20px;
    margin-bottom: 18px;
}

.callus-left p {
    font-size: 16px;
    color: #818E9B;
    line-height: 32px;
}

.callus-left .follow {
    margin: 60px 0
}

.callus-left .follow img {
    width: 130px;
    height: 130px;
}

.callus-left .follow p {
    width: 130px;
    text-align: center;
    margin-top: .625rem;
}

.callus-left .callus-left-bm span {
    margin-right: 30px;
}

.callus img {
    width: 100%;
    height: 100%;
}



.link h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.link p span {
    color: #818E9B;
    margin-right: 20px;
}

/* copyright */
.copyright {
    color: #818E9B;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    padding-bottom: 120px;
    margin-top: 60px;
    line-height: 30px;
}

.copyright a {
    color: #818E9B;
}

/* 超大屏 */
@media screen and (min-width:1280px) {
    .container {
        width: 1280px;
    }

    html {
        font-size: 16px;
    }
}

/* 中等屏幕 */
@media screen and (min-width:992px) and (max-width:1280px) {
    .container {
        width: 880px;
    }

    .copyright {
        flex-direction: column;
        text-align: center;
    }
}

/* 平板 */
@media screen and (max-width:992px) {
    .container {
        width: 700px;
    }

    .copyright {
        flex-direction: column;
        text-align: center;
    }
}

/* 移动设备 */
@media screen and (max-width:798px) {
    .container {
        width: 90%;
    }

    .nav {
        height: 3.5rem;
    }

    .navcon {
        height: 3.5rem;
    }

    .logo a img {
        width: 2.25rem;
        height: auto
    }

    .navico img {
        width: 1.125rem;
    }

    .logo a .a-text {
        display: none;
    }

    .navul,
    .navcon .phone {
        display: none;
    }

    .navico {
        display: block;
    }


    .banner img {
        width: 100%;

    }

    /* 下载 */
    .download {
        background-color: #fff;
        padding: 0;
    }

    .maincon-center {
        flex-direction: column;
    }

    .maincon-center>img {
        width: 100%;
        height: auto;
    }

    .maincon-right h3 {
        font-size: 1.125rem;
        margin-bottom: 1.25rem;
    }

    .maincon-right {
        width: 100%;
        margin-top: 2rem;
    }

    .maincon-right .asan>div {
        text-align: center;
    }

    .maincon-right .text {
        font-size: .875rem;
        line-height: 1.25rem;
    }

    .maincon-right .asan {
        margin-top: 1.125rem;
        justify-content: space-around;
    }

    .maincon-right .asan>div>img {
        width: 5.25rem;
        height: 5.25rem;
    }

    .maincon-right .asan p {
        margin-right: 0px;
    }

    /* 尾部 */

    .link {
        margin-top: 3rem;
        text-align: center;
    }

    .link h3 {
        font-size: 1rem;
        margin-bottom: .625rem;
    }

    .link p span {
        font-size: .625rem;
    }

    .callus {
        padding-top: 1.875rem;
    }

    .callus-left h3 {
        font-size: 1rem;
        margin-bottom: .625rem;
    }

    .callus-left p {
        font-size: .875rem;
        line-height: 1.25rem;
    }

    .callus-left .follow {
        margin: 1.875rem 0;
    }

    .callus-left .follow img {
        width: 6.75rem;
        height: 6.75rem;
    }

    .callus,
    .copyright {
        flex-direction: column;
        text-align: center;
    }

    .callus-left .follow p {
        width: 100%;
    }

    .callus .img6 {
        width: 100%;
    }

    .copyright {
        padding-bottom: 2.8125rem;
        margin-top: 2rem;
        font-size: .875rem;
        line-height: 1.125rem;
    }

    html {
        font-size: 16px;
    }
}