@charset "utf-8";





/* document */

@font-face { font-family: "OPPOSans3.0cn-Regular"; src: url(../Fonts/OPPOSans3.0cn-Regular.woff2) format("woff2"), url(../Fonts/OPPOSans3.0cn-Regular.woff) format("woff"), url(../Fonts/OPPOSans3.0cn-Regular.ttf) format("truetype"); font-variation-settings: 'wght' 300; font-style: normal; font-display: swap;}
@font-face { font-family: 'OPPOSans-Bold'; src: url(../Fonts/OPPOSans-B.woff2) format("woff2"), url(../Fonts/OPPOSans-B.woff) format("woff"), url(../Fonts/OPPOSans-B.ttf) format("truetype"); font-style: normal; font-display: swap;}
@font-face { font-family: 'Gotham Book'; src: url('../Fonts/Gotham-Book.woff2') format('woff2'), url('../Fonts/Gotham-Book.woff') format('woff'), url('../Fonts/Gotham-Book.ttf') format('truetype'); font-weight: normal; font-style: normal; font-display: swap;}
@font-face { font-family: 'Gotham Bold'; src: url('../Fonts/Gotham-Bold.woff2') format('woff2'), url('../Fonts/Gotham-Bold.woff') format('woff'), url('../Fonts/Gotham-Bold.ttf') format('truetype'); font-weight: bold; font-style: normal; font-display: swap;}
*, *:after, *:before { -webkit-box-sizing: border-box; box-sizing: border-box;}
html{ -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;}
html, input, textarea { font-family:-apple-system,BlinkMacSystemFont,"OPPOSans3.0cn-Regular",HarmonyOS Sans SC,PingFang SC,Helvetica Neue,Helvetica,Arial,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif; font-size: 14px; color: #666;}
body { width:expression(document.body.clientWidth <= 320? "1200px": "auto"); min-width: 320px; background-color: #fff;}
body, div, ul, li, dl, dt, dd, ol, form, a, span, p, h1, h2, h3, h4, h5, h6, label, table, tbody, tr, th, td, object, iframe, icon { margin: 0; padding: 0;}
center { font-size: 16px;}
html, body { height: 100%;}
img { border: none; vertical-align: bottom;}
ul, li { list-style-type: none;}
a { color: #666; text-decoration: none;}
a:hover { color: #00a0e9; text-decoration: none;}
a { outline: none;}
a:active { star: expression(this.onFocus=this.blur());}
a:active { star: expression(this.onFocus=this.blur());}
:focus { outline: 0;}
.clear { width: 0; height: 0; padding: 0; margin: 0; clear: both;}
.flex { display: flex; justify-content: space-between;}
.main { max-width: 1680px; margin: auto;}
@media screen and (max-width: 1730px) {
    .main { max-width: inherit; margin: 0 3.5%;}
}
@media screen and (max-width: 1024px) {
    .main { margin: 0 15px;}
}





/* heard */

.db-bg { position: fixed; top: 0; left: 0; z-index: 99; width: 100%; height: 100px;}
/*.db-bg .main { max-width: inherit; margin: 0 50px;}*/
.db-sj { display: none;}
.db-sj a { display: block; position: absolute; left: 15px; top: 0; z-index: 99; width: 20px; height: 60px;}
.db-sj a span { display: block; position: absolute; left: 0; top: 50%; width: 20px; height: 2px; margin-top: -1px; background-color: #00a0e9;}
.db-sj a span::before,.db-sj span::after { content: ''; position: absolute; width: 100%; height: 100%; left: 0; background-color: inherit;}
.db-sj a span::before { bottom: 6px;}
.db-sj a span::after { top: 6px;}

.db-dh-lg { width: 256px; height: 70px; background: url(../Images/logo.png) no-repeat center; background-size: 256px 70px; margin-top: 15px;}
.db-dh-lg a { display: block; width: 100%; height: 100%;}
.db-dh-lb { flex: 1 1 auto; margin-right: 100px; justify-content: flex-end;}
.db-dh-lb > li { position: relative; margin-left: 50px;}
.db-dh-lb > li > a { display: block; font-size: 18px; color: #fff; height: 100px; line-height: 100px; position: relative; transition: all .35s ease;}
.db-dh-lb > li:hover > a { color: #00a0e9;}

.db-dh-ls { position: absolute; left: 0; top: 100px; width: 500px; opacity: 0; background-color: #fff; visibility: hidden; /*transform: translateY(20px);*/ box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.05); transition: all .5s ease;}
.db-dh-lb > li:hover .db-dh-ls { opacity: 1; visibility: visible; /*transform: translateY(0);*/}
.db-dh-ls dl { width: 30%; padding: 22px 0 0 25px;}
.db-dh-ls dl dt a { display: block; font-size: 16px; color: #333; line-height: 22px; padding: 10px 0; transition: all .3s ease;}
.db-dh-ls dl dt a:hover { padding-left: 15px; color: #fff; background-color: #00a0e9;}
.db-dh-ls div { width: 70%;}
.db-dh-ls div a { display: block; width: 100%;}
.db-dh-ls div a img { width: 100%;}

.db-dh-yb { width: 20px; height: 20px; margin-top: 40px; position: relative;}
#toggle-search { display: block; width: 100%; height: 100%; background-image: url(../Images/search.png); background-repeat: no-repeat; background-position: center; background-size: 20px 20px; cursor: pointer;}
#search-form { position: absolute; top: 60px; right: 0; width: 250px; max-height: 0; background-color: rgba(255,255,255,.85); overflow: hidden; transition: max-height, 0.5s;}
#search-form.open { max-height: 40px;}
#search-form input { font-size: 16px; height: 40px; border: none;}
#search-form input[type="search"] { width: 100%; padding: 0 15px; background: transparent;}
#search-form input[type="submit"] { position: absolute; bottom: 0; right: 0; width: 60px; color: #fff; background: #00a0e9; cursor: pointer;}


.db-bg.smaller { background-color: #fff; height: 80px; box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.05);}
.db-bg.smaller .db-dh-lg { width: 204px; height: 56px; background-size: 204px 56px; margin-top: 12px;}
.db-bg.smaller .db-dh-lb > li > a { color: #333; height: 80px; line-height: 80px;}
.db-bg.smaller .db-dh-ls { top: 80px;}
.db-bg.smaller .db-dh-yb { margin-top: 30px;}
.db-bg.smaller #toggle-search { background-image: url(../Images/search-02.png);}
.db-bg.smaller #search-form { top: 50px;}


@media screen and (max-width: 1920px) {
    .db-dh-lb > li:nth-child(n+5) .db-dh-ls { left: inherit; right: 0;}	
}

@media screen and (max-width: 1440px) {
    .db-bg { height: 80px;}
    
    .db-dh-lg { width: 204px; height: 56px; background-size: 204px 56px; margin-top: 12px;}
    .db-dh-lb { margin-right: 50px;}
    .db-dh-lb > li { margin-left: 40px;}
    .db-dh-lb > li > a { height: 80px; line-height: 80px;}
    
    .db-dh-yb { margin-top: 30px;}
    #search-form { top: 50px;}
}

@media screen and (max-width: 1280px) {
    .db-dh-lb { margin-right: 40px;}
    .db-dh-lb > li { margin-left: 30px;}
    .db-dh-lb > li:nth-child(n+4) .db-dh-ls { left: inherit; right: 0;}	
}

@media screen and (max-width: 1100px) {
    .db-dh-lb { margin-right: 30px;}
    .db-dh-lb > li { margin-left: 20px;}
}

@media screen and (max-width: 1024px) {
    .db-bg { background-color: #fff; height: 60px;}
    .db-sj { display: block;}
    
    .db-dh-lg { float: inherit; width: 146px; height: 40px; background-size: 146px 40px; margin: 10px auto;}
    .db-dh-lb { display: none;}
    .db-dh-yb { width: 18px; height: 18px; margin-top: 0; right: 0; top: 21px; z-index: 99;}
    #toggle-search { background-image: url(../Images/search-02.png); background-size: 18px 18px;}
    #search-form { top: 54px;}
	.division { height: 60px;}
    
    
    .db-bg.smaller { height: 60px;}
    .db-bg.smaller .db-dh-lg { width: 146px; height: 40px; background-size: 146px 40px; margin: 10px auto;}
    .db-bg.smaller .db-dh-yb { margin-top: 0;}
    .db-bg.smaller #search-form { top: 54px;}
}

@media screen and (max-width: 640px) {
    .db-bg { height: 50px;}
    .db-sj a { height: 50px;}
    
	.db-dh-lg { width: 116px; height: 32px; background-size: 116px 32px; margin: 9px auto;}
    .db-dh-yb { top: 16px;}
    #search-form { top: 49px;}
	.division{ height: 50px;}
    
    
    .db-bg.smaller { height: 50px;}
    .db-bg.smaller .db-dh-lg { width: 116px; height: 32px; background-size: 116px 32px; margin: 9px auto;}
    .db-bg.smaller .db-dh-yb { top: 16px;}
    .db-bg.smaller #search-form { top: 49px;}
}





/* contact */

.ct-bg { background-color: #fafafa;}
.ct-bg .ct-ls { height: 350px; background: url(../images/ct-bg.jpg) no-repeat center; background-size: cover; border-radius: 25px; margin-bottom: -200px; padding: 0 6%; z-index: 99; position: relative; align-items: center;}
.ct-bg .ct-ls .ct-zb { font-family: 'OPPOSans-Bold'; font-size: 48px; font-weight: normal; color: #fff; line-height: 72px; margin-right: 5%;}

.ct-bg .ct-ls .ct-yb ul li { font-size: 18px; color: #fff; line-height: 48px; background-repeat: no-repeat; background-position: left 16px; background-size: 17px 17px; padding-left: 27px;}
.ct-bg .ct-ls .ct-yb ul li:nth-child(1) { background-image: url(../images/ct-01.png);}
.ct-bg .ct-ls .ct-yb ul li:nth-child(2) { background-image: url(../images/ct-02.png);}
.ct-bg .ct-ls .ct-yb ul li:nth-child(3) { background-image: url(../images/ct-03.png);}
.ct-bg .ct-ls .ct-yb ul li:nth-child(4) { background-image: url(../images/ct-04.png);}


@media screen and (max-width: 1440px) {
    .ct-bg .ct-ls { height: 280px; border-radius: 20px; margin-bottom: -180px; padding: 0 5%;}
    .ct-bg .ct-ls .ct-zb { font-size: 36px; line-height: 60px;}
    
    .ct-bg .ct-ls .ct-yb ul li { font-size: 16px; line-height: 44px; background-position: left 15px; background-size: 15px 15px; padding-left: 25px;}
}

@media screen and (max-width: 1024px) {
    .ct-bg .ct-ls { height: 200px; border-radius: 15px; margin-bottom: -125px; padding: 0 3.5%;}
    .ct-bg .ct-ls .ct-zb { font-size: 30px; line-height: 48px;}
    
    .ct-bg .ct-ls .ct-yb ul li { font-size: 14px; line-height: 36px; background-position: left 12px; background-size: 13px 13px; padding-left: 23px;}
}

@media screen and (max-width: 640px) {
    .ct-bg .ct-ls { height: 280px; border-radius: 15px; margin-bottom: -230px; flex-wrap: wrap; align-items: stretch; padding-top: 25px;}
    .ct-bg .ct-ls .ct-zb { font-size: 24px; line-height: 40px; width: 100%; margin-right: 0;}
    
    .ct-bg .ct-ls .ct-yb { width: 100%;}
}





/* footer */

.bm-bg { background-color: #222; padding-top: 200px;}
.bm-bg .lg-bg { align-items: center; padding: 3.35vh 0; border-bottom: 1px solid rgba(255, 255, 255, .1);}
.bm-bg .lg-bg div { width: 256px;}
.bm-bg .lg-bg div img { width: 100%;}
.bm-bg .lg-bg dl { font-size: 20px; color: #fff; line-height: 36px; text-align: right;}
.bm-bg .lg-bg dl span { color: #666;}

.bm-bg .nt-bg { padding: 5.3vh 0; border-bottom: 1px solid rgba(255, 255, 255, .1);}
.bm-bg .nt-bg .nt-zb { width: 65%;}
.bm-bg .nt-bg .nt-zb h2 { font-size: 20px; font-weight: normal; color: #fff; margin-bottom: 1.15vh;}
.bm-bg .nt-bg .nt-zb a { display: block; font-size: 16px; color: #888; line-height: 36px;}
.bm-bg .nt-bg .nt-zb a:hover { color: #fff;}
.bm-bg .nt-bg .nt-yb { width: 130px; font-size: 16px; color: #fff; text-align: center;}
.bm-bg .nt-bg .nt-yb img { display: block; width: 100%; border-radius: 5px; margin: .45vh 0 .75vh;}

.bm-bg .cr-bg { padding: 2.2vh 0; font-size: 16px; color: #666; line-height: 24px;}
.bm-bg .cr-bg span { font-family: 'Gotham Book';}
.bm-bg .cr-bg a { color: #666;}
.bm-bg .cr-bg a:hover { color: #fff;}


@media screen and (max-width: 1440px) {
    .bm-bg { padding-top: 180px;}
    .bm-bg .lg-bg { padding: 3.1vh 0;}
    .bm-bg .lg-bg div { width: 204px;}
    .bm-bg .lg-bg dl { font-size: 18px; line-height: 30px;}
    
    .bm-bg .nt-bg { padding: 4.8vh 0;}
    .bm-bg .nt-bg .nt-zb h2 { font-size: 18px; margin-bottom: 1.2vh;}
    .bm-bg .nt-bg .nt-yb { width: 120px;}
}

@media screen and (max-width: 1024px) {
    .bm-bg { padding-top: 125px;}
    .bm-bg .lg-bg { padding: 2vh 0;}
    .bm-bg .lg-bg div { width: 146px;}
    .bm-bg .lg-bg dl { font-size: 16px;}
    
    .bm-bg .nt-bg { padding: 3.6vh 0;}
    .bm-bg .nt-bg .nt-zb { width: 75%;}
    .bm-bg .nt-bg .nt-zb h2 { font-size: 16px; margin-bottom: 1.5vh;}
    .bm-bg .nt-bg .nt-zb a { font-size: 14px; line-height: 30px;}
    .bm-bg .nt-bg .nt-yb { width: 100px; font-size: 14px;}
    .bm-bg .nt-bg .nt-yb img { border-radius: 3px;}
    
    .bm-bg .cr-bg { padding: 1.5vh 0; font-size: 14px;}
}

@media screen and (max-width: 640px) {
    .bm-bg { padding-top: 230px;}
    .bm-bg .lg-bg { padding: 2.8vh 0 1.6vh; border-bottom: none; flex-wrap: wrap;}
    .bm-bg .lg-bg div { width: 168px; margin: auto;}
    .bm-bg .lg-bg dl { width: 100%; font-size: 18px; line-height: 36px; text-align: center; margin-top: 10px;}
    
    .bm-bg .nt-bg { padding: 0 0 3.6vh;}
    .bm-bg .nt-bg .nt-zb { display: none;}
    .bm-bg .nt-bg .nt-yb { margin: auto;}
    
    .bm-bg .cr-bg { padding: 18px 0; flex-wrap: wrap;}
    .bm-bg .cr-bg div { width: 100%;}
    .bm-bg .cr-bg dl { width: 100%;}
}





/* backTop */

.izl-rmenu { position: fixed; right: 20px; bottom: 100px; z-index: 999; display: none;}
.izl-rmenu .btn { width: 50px; height: 50px; cursor: pointer; position: relative;}
.izl-rmenu .btn-top { background: url(../images/fhdb.png) no-repeat; display: none;}


@media screen and (max-width: 1024px) {
    .izl-rmenu { right: 10px; bottom: 10px;}
    .izl-rmenu .btn { width: 36px; height: 36px;}
    .izl-rmenu .btn-top { background-size: 36px 36px;}
}