html{
    font-size: 0.8vw;
}
/* nav */
.nav{
    background: rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    height: 7rem;
}
.nav .logo{
    margin-left: 3rem;
    float: left;
    margin-top: 1.5rem;
}
.nav .logo img{
    height: 4rem;
}
.nav .email{
    float: right;
    margin-right: 3rem;
    margin-top: 2rem;
}
.nav .email img{
    height: 3rem;
}
.nav .daohang{
    float: right;
    margin-right: 1rem;
}
.nav .daohang2{
    float: right;
    display: none;
}
.nav .daohang .lanmu{
    height: 7rem;
    float: left;
}
.nav .daohang .lanmu .yiji{
    font-size: 1.3rem;
    color: #fff;
    text-decoration: none;
    display: block;
    height: 7rem;
    overflow: auto;
}
.nav .daohang .lanmu .yiji span{
    margin-top: 2.4rem;
    display: block;
    padding: 0 1.5rem;
}
.nav .daohang .lanmu:hover{
    background: rgba(0, 0, 0, 0.5);
}
.nav .daohang .lanmu .zilanmu{
    width: 15rem;
    overflow: auto;
    display: none;
    position: absolute;
    top: 7rem;
    padding-top: 1px;
}
.nav .daohang .lanmu .zilanmu .kuang{
    background: rgba(0, 0, 0, 0.45);
}
.nav .daohang .lanmu:hover .zilanmu{
    display: block;
}
.nav .daohang .lanmu .zilanmu .kuang .erji{
    display: block;
    width: 100%;
    line-height: 3.5rem;
    text-decoration: none;
}
.nav .daohang .lanmu .zilanmu .kuang .erji span{
    font-size: 1.2rem;
    color: #fff;
    margin-left: 1.2rem;
}
.nav .daohang .lanmu .zilanmu .kuang .erji img{
    width: 1.1rem;
    float: right;
    margin-right: 1.5rem;
    margin-top: 1.4rem;
    display: none;
}
.nav .daohang .lanmu .zilanmu .kuang .erji:hover img{
    display: block;
}
/* nav_ny */
.nav_ny{
    height: 7rem;
    border-bottom: 2px solid #ccc;
    position: relative;
    z-index: 1;
}
.nav_ny .logo{
    margin-left: 3rem;
    float: left;
    margin-top: 1.5rem;
}
.nav_ny .logo img{
    height: 4rem;
}
.nav_ny .email{
    float: right;
    margin-right: 3rem;
    margin-top: 2rem;
}
.nav_ny .email img{
    height: 3rem;
}
.nav_ny .daohang{
    float: right;
    margin-right: 1rem;
}
.nav_ny .daohang2{
    float: right;
    display: none;
}
.nav_ny .daohang .lanmu{
    height: 7rem;
    float: left;
}
.nav_ny .daohang .lanmu .yiji{
    font-size: 1.3rem;
    color: #1e3c7a;
    text-decoration: none;
    display: block;
    height: 7rem;
    overflow: auto;
}
.nav_ny .daohang .lanmu .yiji span{
    margin-top: 2.4rem;
    display: block;
    padding: 0 1.5rem;
}
.nav_ny .daohang .lanmu:hover{
    background: #1e3c7a;
}
.nav_ny .daohang .lanmu:hover .yiji{
    color: #fff;
}
.nav_ny .daohang .lanmu .zilanmu{
    width: 15rem;
    overflow: auto;
    display: none;
    position: absolute;
    top: 7rem;
    padding-top: 1px;
}
.nav_ny .daohang .lanmu .zilanmu .kuang{
    background: #1e3c7a;
}
.nav_ny .daohang .lanmu:hover .zilanmu{
    display: block;
}
.nav_ny .daohang .lanmu .zilanmu .kuang .erji{
    display: block;
    width: 100%;
    line-height: 3.5rem;
    text-decoration: none;
}
.nav_ny .daohang .lanmu .zilanmu .kuang .erji span{
    font-size: 1.2rem;
    color: #fff;
    margin-left: 1.2rem;
}
.nav_ny .daohang .lanmu .zilanmu .kuang .erji img{
    width: 1.1rem;
    float: right;
    margin-right: 1.5rem;
    margin-top: 1.4rem;
    display: none;
}
.nav_ny .daohang .lanmu .zilanmu .kuang .erji:hover img{
    display: block;
}
/* breadcrumb */
.breadcrumb{
    height: 5rem;
    border-bottom: 2px solid #ccc;
}
.breadcrumb .nr{
    line-height: 5rem;
    margin-left: 3rem;
    font-size: 1.3rem;
}
.breadcrumb .nr a{
    color: #1E3C7A;
    margin: 0 1rem;
    font-size: 1.3rem;
}
/* footer */
.footer{
    overflow: auto;
    width: 100%;
    background-color: #1E3C7A;
}
.footer .top{
    width: 86vw;
    margin: 0 auto;
    margin-top: 8rem;
    overflow: auto;
}
.footer .top .l{
    float: left;
    width: 30%;
}
.footer .top .l .logo{
    width: 13rem;
}
.footer .top .l .zi{
    margin-top: 3rem;
}
.footer .top .l .zi div{
    color: #fff;
    font-size: 1rem;
    margin-top: 0.5rem;
}
.footer .top .r{
    float: right;
    width: 65%;
}
.footer .top .r .daohang{
    width: 9rem;
    float: left;
    margin-right: 2rem;
}
.footer .top .r .daohang .yiji a{
    color: #fff;
    font-size: 1.5rem;
    text-decoration: none;
}
.footer .top .r .daohang .erji{
    margin-top: 1rem;
}
.footer .top .r .daohang .erji a{
    color: #fff;
    font-size: 1.2rem;
    text-decoration: none;
}
.footer .bot{
    text-align: center;
    color: #7a9ccc;
    margin-top: 5rem;
    margin-bottom: 2rem;
}
/* 悬浮框 */
.xfk{
    position: fixed;
    right: 3rem;
    top: 20rem;
}
.xfk .kuai{
    width: 5rem;
    margin-bottom: 1rem;
}
.xfk .erweima{
    min-width: 0;
    padding: 0;
}

/* 响应式设计 - 平板横屏 (1024px - 1399px) */
@media screen and (max-width: 1399px) and (min-width: 1024px) {
    html{
        font-size: 1.3vw;
    }
    .nav {
        height: 6.5rem;
    }
    .nav .logo {
        margin-left: 2.5rem;
        margin-top: 1.3rem;
    }
    .nav .logo img {
        height: 3.8rem;
    }
    .nav .email {
        margin-right: 2.5rem;
        margin-top: 1.8rem;
    }
    .nav .email img {
        height: 2.8rem;
    }
    .nav .daohang {
        display: none;
    }
    .nav .daohang2 {
        display: block;
        margin-right: 2.5rem;
        margin-top: 1.5rem;
    }
    .nav .daohang2 button {
        width: 3.5rem;
        height: 3.5rem;
        cursor: pointer;
        color: #fff;
    }
    .nav .daohang2 .uk-offcanvas-bar {
        width: 280px;
    }
    .nav .daohang2 .uk-nav {
        margin-top: 2rem;
    }
    .nav .daohang2 .uk-nav li a {
        padding: 1rem 1.5rem;
        font-size: 1.2rem;
        color: #fff;
    }
    .nav_ny {
        height: 6.5rem;
    }
    .nav_ny .logo {
        margin-left: 2.5rem;
        margin-top: 1.3rem;
    }
    .nav_ny .logo img {
        height: 3.8rem;
    }
    .nav_ny .email {
        margin-right: 2.5rem;
        margin-top: 1.8rem;
    }
    .nav_ny .email img {
        height: 2.8rem;
    }
    .nav_ny .daohang {
        display: none;
    }
    .nav_ny .daohang2 {
        display: block;
        margin-right: 2.5rem;
        margin-top: 1.5rem;
    }
    .nav_ny .daohang2 button {
        width: 3.5rem;
        height: 3.5rem;
        cursor: pointer;
        color: #1e3c7a;
    }
    .nav_ny .daohang2 .uk-offcanvas-bar {
        width: 280px;
    }
    .nav_ny .daohang2 .uk-nav {
        margin-top: 2rem;
    }
    .nav_ny .daohang2 .uk-nav li a {
        padding: 1rem 1.5rem;
        font-size: 1.2rem;
        color: #fff;
    }
    .breadcrumb {
        height: 4.5rem;
    }
    .breadcrumb .nr {
        line-height: 4.5rem;
        margin-left: 2.5rem;
        font-size: 1.2rem;
    }
    .breadcrumb .nr a {
        font-size: 1.2rem;
    }
    .footer .top {
        width: 88vw;
        margin-top: 6rem;
    }
    .footer .top .l {
        width: 28%;
    }
    .footer .top .l .logo {
        width: 12rem;
    }
    .footer .top .l .zi div {
        font-size: 0.95rem;
    }
    .footer .top .r {
        width: 68%;
    }
    .footer .top .r .daohang {
        width: 8.5rem;
        margin-right: 1.8rem;
    }
    .footer .top .r .daohang .yiji a {
        font-size: 1.4rem;
    }
    .footer .top .r .daohang .erji a {
        font-size: 1.1rem;
    }
    .xfk {
        right: 2.5rem;
        top: 18rem;
    }
    .xfk .kuai {
        width: 4.5rem;
    }
}

/* 响应式设计 - 平板竖屏 (768px - 1023px) */
@media screen and (max-width: 1023px) and (min-width: 768px) {
    html{
        font-size: 1.7vw;
    }
    .nav {
        height: 6rem;
    }
    .nav .logo {
        margin-left: 2rem;
        margin-top: 1rem;
    }
    .nav .logo img {
        height: 3.5rem;
    }
    .nav .email {
        margin-right: 2rem;
        margin-top: 1.5rem;
    }
    .nav .email img {
        height: 2.5rem;
    }
    .nav .daohang {
        display: none;
    }
    .nav .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #fff;
    }
    .nav .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .nav_ny {
        height: 6rem;
    }
    .nav_ny .logo {
        margin-left: 2rem;
        margin-top: 1rem;
    }
    .nav_ny .logo img {
        height: 3.5rem;
    }
    .nav_ny .email {
        margin-right: 2rem;
        margin-top: 1.5rem;
    }
    .nav_ny .email img {
        height: 2.5rem;
    }
    .nav_ny .daohang {
        display: none;
    }
    .nav_ny .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav_ny .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #1e3c7a;
    }
    .nav_ny .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav_ny .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav_ny .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .breadcrumb {
        height: 4rem;
    }
    .breadcrumb .nr {
        line-height: 4rem;
        margin-left: 2rem;
        font-size: 1.1rem;
    }
    .breadcrumb .nr a {
        font-size: 1.1rem;
    }
    .footer .top {
        width: 90vw;
        margin-top: 5rem;
    }
    .footer .top .l {
        width: 100%;
        text-align: center;
        margin-bottom: 2rem;
    }
    .footer .top .l .logo {
        width: 11rem;
        margin: 0 auto;
    }
    .footer .top .l .zi {
        margin-top: 2rem;
    }
    .footer .top .l .zi div {
        font-size: 0.9rem;
    }
    .footer .top .r {
        width: 100%;
    }
    .footer .top .r .daohang {
        width: 8rem;
        margin-right: 1.5rem;
        text-align: center;
    }
    .footer .top .r .daohang .yiji a {
        font-size: 1.3rem;
    }
    .footer .top .r .daohang .erji a {
        font-size: 1rem;
    }
    .footer .bot {
        margin-top: 3rem;
        font-size: 0.9rem;
    }
    .xfk {
        right: 2rem;
        top: 15rem;
    }
    .xfk .kuai {
        width: 4rem;
    }
}

/* 响应式设计 - 手机横屏 (576px - 767px) */
@media screen and (max-width: 767px) and (min-width: 576px) {
    html{
        font-size: 2.2vw;
    }
    .nav {
        height: 5rem;
    }
    .nav .logo {
        margin-left: 1.5rem;
        margin-top: 0.8rem;
    }
    .nav .logo img {
        height: 3rem;
    }
    .nav .email {
        display: none;
    }
    .nav .daohang {
        display: none;
    }
    .nav .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #fff;
    }
    .nav .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .nav_ny {
        height: 5rem;
    }
    .nav_ny .logo {
        margin-left: 1.5rem;
        margin-top: 0.8rem;
    }
    .nav_ny .logo img {
        height: 3rem;
    }
    .nav_ny .email {
        display: none;
    }
    .nav_ny .daohang {
        display: none;
    }
    .nav_ny .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav_ny .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #1e3c7a;
    }
    .nav_ny .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav_ny .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav_ny .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .breadcrumb {
        height: 3.5rem;
    }
    .breadcrumb .nr {
        line-height: 3.5rem;
        margin-left: 1.5rem;
        font-size: 1rem;
    }
    .breadcrumb .nr a {
        font-size: 1rem;
        margin: 0 0.5rem;
    }
    .footer .top {
        width: 92vw;
        margin-top: 4rem;
    }
    .footer .top .l {
        width: 100%;
        text-align: center;
        margin-bottom: 2rem;
    }
    .footer .top .l .logo {
        width: 10rem;
        margin: 0 auto;
    }
    .footer .top .l .zi {
        margin-top: 1.5rem;
    }
    .footer .top .l .zi div {
        font-size: 0.85rem;
    }
    .footer .top .r {
        width: 100%;
    }
    .footer .top .r .daohang {
        width: 7rem;
        margin-right: 1rem;
        text-align: center;
    }
    .footer .top .r .daohang .yiji a {
        font-size: 1.2rem;
    }
    .footer .top .r .daohang .erji a {
        font-size: 0.95rem;
    }
    .footer .bot {
        margin-top: 2rem;
        font-size: 0.85rem;
    }
    .xfk {
        right: 1.5rem;
        top: 12rem;
    }
    .xfk .kuai {
        width: 3.5rem;
    }
}

/* 响应式设计 - 手机竖屏 (≤575px) */
@media screen and (max-width: 575px) {
    html{
        font-size: 3.6vw;
    }
    .nav {
        height: 4.5rem;
    }
    .nav .logo {
        margin-left: 1rem;
        margin-top: 0.6rem;
    }
    .nav .logo img {
        height: 2.5rem;
    }
    .nav .email {
        display: none;
    }
    .nav .daohang {
        display: none;
    }
    .nav .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #fff;
    }
    .nav .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .nav_ny {
        height: 4.5rem;
    }
    .nav_ny .logo {
        margin-left: 1rem;
        margin-top: 0.6rem;
    }
    .nav_ny .logo img {
        height: 2.5rem;
    }
    .nav_ny .email {
        display: none;
    }
    .nav_ny .daohang {
        display: none;
    }
    .nav_ny .daohang2 {
        display: block;
        margin-right: 2rem;
        margin-top: 1.2rem;
    }
    .nav_ny .daohang2 button {
        width: 3.2rem;
        height: 3.2rem;
        cursor: pointer;
        color: #1e3c7a;
    }
    .nav_ny .daohang2 .uk-offcanvas-bar {
        width: 260px;
    }
    .nav_ny .daohang2 .uk-nav {
        margin-top: 1.8rem;
    }
    .nav_ny .daohang2 .uk-nav li a {
        padding: 0.9rem 1.3rem;
        font-size: 1.1rem;
        color: #fff;
    }
    .breadcrumb {
        height: 3rem;
    }
    .breadcrumb .nr {
        line-height: 3rem;
        margin-left: 1rem;
        font-size: 0.9rem;
    }
    .breadcrumb .nr a {
        font-size: 0.9rem;
        margin: 0 0.3rem;
    }
    .footer .top {
        width: 94vw;
        margin-top: 3rem;
    }
    .footer .top .l {
        width: 100%;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    .footer .top .l .logo {
        width: 9rem;
        margin: 0 auto;
    }
    .footer .top .l .zi {
        margin-top: 1rem;
    }
    .footer .top .l .zi div {
        font-size: 0.8rem;
    }
    .footer .top .r {
        width: 100%;
    }
    .footer .top .r .daohang {
        width: 6rem;
        margin-right: 0.8rem;
        text-align: center;
    }
    .footer .top .r .daohang .yiji a {
        font-size: 1.1rem;
    }
    .footer .top .r .daohang .erji a {
        font-size: 0.9rem;
    }
    .footer .bot {
        margin-top: 1.5rem;
        font-size: 0.8rem;
    }
    .xfk {
        right: 1rem;
        top: 10rem;
    }
    .xfk .kuai {
        width: 3rem;
    }
}