@charset "utf-8";





/* document */

@font-face { font-family: "OPPOSans-Ver2-Bold"; src: url(../fonts/OPPOSans3.0cn-Bold.woff2) format("woff2"), url(../fonts/OPPOSans3.0cn-Bold.woff) format("woff"), url(../fonts/OPPOSans3.0cn-Bold.ttf) format("truetype"); font-variation-settings: 'wght' 700; font-style: normal; font-display: swap;}
@font-face { font-family: "OPPOSans-Ver2-Medium"; src: url(../fonts/OPPOSans3.0cn-Medium.woff2) format("woff2"), url(../fonts/OPPOSans3.0cn-Medium.woff) format("woff"), url(../fonts/OPPOSans3.0cn-Medium.ttf) format("truetype"); font-variation-settings: 'wght' 500; font-style: normal; font-display: swap;}
@font-face { font-family: "OPPOSans-Ver2-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' 400; 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, "OPPOSans-Ver2-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;}
h1, h2, h3, h4, h5, h6 { font-family: "OPPOSans-Ver2-Medium"; font-weight: normal;}
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: #008fd7; 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: 999; width: 100%; height: 100px;}
.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: #008fd7;}
.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: 184px; height: 38px; background: url(../Images/logo-01.png) no-repeat center; background-size: 184px 38px; margin-top: 30px;}
.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-ls { position: absolute; left: 0; top: 100px; width: 500px; opacity: 0; background-color: #fff; visibility: hidden; 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;}
.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: #008fd7;}
.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: 105px; height: 100px; background: url(../images/separate-01.png) no-repeat center;}
.db-dh-sh { width: 20px; height: 100px; position: relative;}
#toggle-search { display: block; width: 100%; height: 100%; background: url(../images/search-01.png) no-repeat center; background-size: 20px 20px; cursor: pointer;}
#search-form { position: absolute; top: 100px; 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: 14px; 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: #008fd7; cursor: pointer;}
.db-dh-yy { width: 20px; height: 100px; background: url(../images/language-01.png) no-repeat center; background-size: 20px 20px; cursor: pointer; position: relative;}
.db-dh-yy dl { position: absolute; right: 0; top: 100px; background-color: #008fd7; overflow: hidden; opacity: 0; visibility: hidden; transition: all .5s ease;}
.db-dh-yy:hover dl { opacity: 1; visibility: visible;}
.db-dh-yy dl a { padding: 0 15px; font-family: 'Gotham Book'; font-size: 16px; color: #fff; line-height: 40px; transition: all .5s ease;}
.db-dh-yy dl a:hover { background-color: #72bb38;}


.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 { background-image: url(../images/logo-02.png); margin-top: 20px;}
.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 { height: 80px; background-image: url(../images/separate-02.png);}
.db-bg.smaller .db-dh-sh { height: 80px;}
.db-bg.smaller #toggle-search { background-image: url(../Images/search-02.png);}
.db-bg.smaller #search-form { top: 80px;}
.db-bg.smaller .db-dh-yy { height: 80px; background-image: url(../Images/language-02.png);}
.db-bg.smaller .db-dh-yy dl { top: 80px;}


@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: 144px; height: 30px; background-size: 144px 30px; margin-top: 24px;}
    .db-dh-lb { margin-right: 50px;}
    .db-dh-lb > li { margin-left: 40px;}
    .db-dh-lb > li > a { font-size: 16px; height: 80px; line-height: 80px;}
    .db-dh-ls { top: 80px;}
    
    .db-dh-yb { width: 85px; height: 80px;}
    .db-dh-sh { width: 18px; height: 80px;}
    #toggle-search { background-size: 18px 18px;}
    #search-form { top: 80px;}
    .db-dh-yy { width: 18px; height: 80px; background-size: 18px 18px;}
    .db-dh-yy dl { top: 80px;}
    
    
    .db-bg.smaller { height: 70px;}
    .db-bg.smaller .db-dh-lg { margin-top: 19px;}
    .db-bg.smaller .db-dh-lb > li > a { height: 70px; line-height: 70px;}
    .db-bg.smaller .db-dh-ls { top: 70px;}
    .db-bg.smaller .db-dh-yb { height: 70px;}
    .db-bg.smaller .db-dh-sh { height: 70px;}
    .db-bg.smaller #search-form { top: 70px;}
    .db-bg.smaller .db-dh-yy { height: 70px;}
    .db-bg.smaller .db-dh-yy dl { top: 70px;}
}

@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: 1024px) {
    .db-bg { background-color: #fff; height: 60px;}
    .db-sj { display: block;}
    
    .db-dh-lg { width: 126px; height: 26px; background-image: url(../images/logo-02.png); background-size: 126px 26px; margin: 16px auto 18px;}
    .db-dh-lb { display: none;}
    
    .db-dh-yb { position: absolute; top: 0; right: 15px; width: 63px; height: 60px; background-image: url(../images/separate-02.png);}
    .db-dh-sh { width: 16px; height: 60px;}
    #toggle-search { background-image: url(../Images/search-02.png); background-size: 16px 16px;}
    #search-form { top: 60px;}
    .db-dh-yy { width: 16px; height: 60px; background-image: url(../Images/language-02.png); background-size: 16px 16px;}
    .db-dh-yy dl { top: 60px;}
    .division { height: 60px;}

    
    .db-bg.smaller { height: 60px;}
    .db-bg.smaller .db-dh-lg { margin: 16px auto 18px;}
    .db-bg.smaller .db-dh-yb { height: 60px;}
    .db-bg.smaller .db-dh-sh { height: 60px;}
    .db-bg.smaller #search-form { top: 60px;}
    .db-bg.smaller .db-dh-yy { height: 60px;}
    .db-bg.smaller .db-dh-yy dl { top: 60px;}
}

@media screen and (max-width: 640px) {
    .db-bg { height: 50px;}
    .db-sj a { height: 50px;}
    
	.db-dh-lg { width: 116px; height: 24px; background-size: 116px 24px; margin: 12px auto 14px;}
    
    .db-dh-yb { height: 50px;}
    .db-dh-sh { height: 50px;}
    #search-form { top: 50px;}
    .db-dh-yy { height: 50px;}
    .db-dh-yy dl { top: 50px;}
    .division { height: 50px;}
    
    .db-bg.smaller { height: 50px;}
    .db-bg.smaller .db-dh-lg { margin: 12px auto 14px;}
    .db-bg.smaller .db-dh-yb { height: 50px;}
    .db-bg.smaller .db-dh-sh { height: 50px;}
    .db-bg.smaller #search-form { top: 50px;}
    .db-bg.smaller .db-dh-yy { height: 50px;}
    .db-bg.smaller .db-dh-yy dl { top: 50px;}
}





/* 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;}
.bm-bg .nt-bg .nt-lx { width: 30%; padding: 70px 15px 75px 0; border-right: 1px solid rgba(255, 255, 255, 0.05);}
.bm-bg .nt-bg .nt-lx ul li { font-size: 18px; color: #fff; background-repeat: no-repeat; background-position: left 5px; padding-left: 40px;}
.bm-bg .nt-bg .nt-lx ul li:nth-child(1) { background-image: url(../images/nt-lx-01.png);}
.bm-bg .nt-bg .nt-lx ul li:nth-child(2) { background-image: url(../images/nt-lx-02.png);}
.bm-bg .nt-bg .nt-lx ul li:nth-child(3) { background-image: url(../images/nt-lx-03.png);}
.bm-bg .nt-bg .nt-lx ul li:nth-child(4) { background-image: url(../images/nt-lx-04.png); font-family: 'Gotham Book'; text-transform: uppercase;}
.bm-bg .nt-bg .nt-lx ul li:nth-child(n+2) { margin-top: 23px;}
.bm-bg .nt-bg .nt-lx ul li p { font-size: 14px; color: #999; margin-bottom: 3px;}

.bm-bg .nt-bg .nt-dh { width: 60%; padding: 70px 0 75px;}
.bm-bg .nt-bg .nt-dh p { font-size: 14px; color: #999; margin-bottom: 25px;}
.bm-bg .nt-bg .nt-dh a { display: block; font-size: 18px; color: #fff; line-height: 39px;}
.bm-bg .nt-bg .nt-dh a:hover { color: #008fd7;}

.bm-bg .cr-bg { border-top: 1px solid rgba(255, 255, 255, 0.05); padding: 38px 0;}
.bm-bg .cr-bg .cr-ls { font-size: 14px; color: #666; line-height: 24px;}
.bm-bg .cr-bg .cr-ls span { font-family: 'Gotham Book';}
.bm-bg .cr-bg .cr-ls a { color: #666;}
.bm-bg .cr-bg .cr-ls a:hover { color: #008fd7;}


@media screen and (max-width: 1440px) {
    .bm-bg .nt-bg .nt-lx { padding: 4.85vw 15px 5.25vw 0;}
    .bm-bg .nt-bg .nt-lx ul li { font-size: 16px; padding-left: 35px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(n+2) { margin-top: 22px;}
    
    .bm-bg .nt-bg .nt-dh { padding: 4.85vw 15px 5.25vw 0;}
    .bm-bg .nt-bg .nt-dh p { margin-bottom: 21px;}
    .bm-bg .nt-bg .nt-dh a { font-size: 16px; line-height: 35px;} 
    
    .bm-bg .cr-bg { padding: 2.55vw 0;}
}

@media screen and (max-width: 1024px) {
    .bm-bg .nt-bg .nt-lx ul li { font-size: 14px; padding-left: 30px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(1) { background-size: 14px 18px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(2) { background-size: 14px 18px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(3) { background-size: 16px 16px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(4) { background-size: 16px 14px;}
    .bm-bg .nt-bg .nt-lx ul li p { margin-bottom: 2px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(n+2) { margin-top: 17px;}
    
    .bm-bg .nt-bg .nt-dh li:last-child { display: none;}
    .bm-bg .nt-bg .nt-dh p { margin-bottom: 18px;}
    .bm-bg .nt-bg .nt-dh a { font-size: 14px; line-height: 30px;}
}

@media screen and (max-width: 800px) {
    .bm-bg .nt-bg .nt-lx { width: 40%;}
    
    .bm-bg .nt-bg .nt-dh { width: 55%;}
    .bm-bg .nt-bg .nt-dh li:nth-child(4) { display: none;}
}

@media screen and (max-width: 640px) {
    .bm-bg .nt-bg { flex-wrap: wrap;}
    .bm-bg .nt-bg .nt-lx { width: 100%; border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.05);}
    .bm-bg .nt-bg .nt-lx ul li { font-size: 16px;}
    .bm-bg .nt-bg .nt-lx ul li:nth-child(n+2) { margin-top: 22px;}
    .bm-bg .nt-bg .nt-lx ul li p { margin-bottom: 3px;}
    
    .bm-bg .nt-bg .nt-dh { width: 100%;}
    
    .bm-bg .cr-bg { padding: 18px 0;}
    .bm-bg .cr-bg .cr-ls { 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;}
}