@charset "utf-8";
/*Common_start*/
body {
    font-size: 14px;
    min-width: 1260px;
    background-color: #ffffff;
}

body, blockquote, code, dd, div, dl, dt, fieldset, form, h1, h2, h3, h4, h5, h6, input, legend, li, ol, p, pre, td, textarea, th, ul {
    margin: 0;
    padding: 0
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

input, button, textarea, select, optgroup, option, small {
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
}

a:link, a:hover, a:visited, a:active {
    color: #333333;
    text-decoration: none;
}

span:focus {
    outline: none;
}

ul, ol {
    list-style: none;
}

dl, dt, i, em {
    font-style: normal;
}

.clear {
    clear: both;
    line-height: 0px;
}

img {
    border: none;
}

#fp-nav {
    left: 30px;
    width: 6px;
}

#fp-nav ul li, .fp-slidesNav ul li {
    width: 6px;
    height: 38px;
    margin: 2px 0px;
}

#fp-nav ul li a.active span, .fp-slidesNav ul li a.active span, #fp-nav ul li:hover a.active span, .fp-slidesNav ul li:hover a.active span {
    width: 6px;
    height: 38px;
    margin: 0px;
    border-radius: 0px;
    opacity: 1;
}

#fp-nav ul li a span, .fp-slidesNav ul li a span {
    width: 6px;
    height: 38px;
    margin: 0px;
    border-radius: 0px;
    left: 0px;
    top: 0px;
    opacity: 0.37;
    background: #ffffff;
}

#fp-nav ul li:hover a span, .fp-slidesNav ul li:hover a span {
    width: 6px;
    height: 38px;
    margin: 0px;
}

/*Common_end*/
.section1 {
    background: #ffffff;
}

.section2 {
    background: #ffffff;
}

.section3 {
    background: #ffffff;
}


/*main_a*/
.main_a {
    display: flex;
    width: 100%;
    height: 88vh;
    overflow: hidden;
}

.main_a_left {
    width: 50%;
    position: relative;
    display: flex;
}

.main_a_right {
    width: 50%;
    background: url(../images/main_a_right.jpg) center bottom no-repeat;
    background-size: 100%;
    position: relative;
    display: flex;
    transition: all 5s;
    -webkit-transition: all 5s;
}

.main_a_right:hover {
    background-size: 110%;
}

.main_a_con {
    margin-left: 106px;
    padding-top: 20vh;
    position: relative;
    text-shadow: 2px 2px 10px rgba(0, 0, 255, 0.3);
}

.main_a_con::after {
    content: "";
    width: 125px;
    height: 21px;
    /*background: url(../images/main_a_bottom_icon.png) left center no-repeat;*/
    position: absolute;
    left: 0px;
    bottom: 0;
}

.main_a_title {
    font-size: 40px;
    color: #ffffff;
    margin-bottom: 1vh;
    line-height: 1.2em;
}

.main_a_title_en {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 7vh;
}

.main_a_list ul li {
    float: left;
    width: 150px;
    height: 150px;
    background: #ffffff;
    margin-right: 9px;
    text-align: center;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
}

.main_a_list ul li i {
    width: 56px;
    height: 56px;
    padding: 28px 0px 5px 0px;
    margin: 0 auto;
    display: block;
}

.main_a_list ul li i img {
    max-width: 56px;
    max-height: 56px;
}

.main_a_list ul li span {
    font-size: 20px;
    color: #636f7d;
    font-weight: bold;
    display: block;
}

/*main_b*/
.main_b {
    width: 100%;
    height: 100vh;
    position: relative;
    background: #069 url(../images/main_b_bg.jpg) center top repeat;
}

.main_b_con {
    padding: 32vh 0px 0px 8%;
    width: 40%;
    position: relative;
    z-index: 999;
}

.main_b_title {
    font-size: 40px;
    color: #3a4d64;
    line-height: 1.2em;
    margin-bottom: 2vh;
}

.main_b_note {
    font-size: 20px;
    color: #5c6e83;
    line-height: 1.8em;
    margin-bottom: 5vh;
}

.main_b_btn {
    width: 225px;
    height: 68px;
    line-height: 68px;
    color: #ffffff !important;
    font-size: 22px;
    text-align: center;
    display: block;
    background: #2083ff;
    -webkit-border-radius: 40px;
    -moz-border-radius: 40px;
    border-radius: 40px;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
}

.main_b_btn:hover {
    background: #0071ff;
}

.main_b_bg1 {
    width: 100%;
    position: absolute;
    bottom: 0px;
    z-index: 3;
    line-height: 0px;
}

.main_b_bg2 {
    width: 100%;
    position: absolute;
    bottom: 0px;
    z-index: 2;
    line-height: 0px;
}

.main_b_bg1 img, .main_b_bg2 img {
    width: 100%;
}

.main_b_car {
    width: 60%;
    position: absolute;
    right: 1%;
    bottom: 15vh;
    text-align: right;
    z-index: 4;
}

.main_b_car img {
    max-width: 100%;
}

.windmill_a {
    width: 62px;
    height: 93px;
    position: absolute;
    left: 20.5%;
    top: -52px;
    z-index: -1;
    background: url(../images/windmill_a_bottom.png) center bottom no-repeat;
}

.windmill_a::after {
    content: "";
    width: 62px;
    height: 62px;
    position: absolute;
    margin-top: -31px;
    background: url(../images/windmill_a_top.png) center center no-repeat;
    display: block;
    animation: spin 4s linear infinite;
}

.windmill_b {
    width: 105px;
    height: 157px;
    position: absolute;
    left: 23%;
    top: -85px;
    z-index: -1;
    background: url(../images/windmill_b_bottom.png) center bottom no-repeat;
}

.windmill_b::after {
    content: "";
    width: 105px;
    height: 105px;
    position: absolute;
    margin-top: -52.5px;
    background: url(../images/windmill_b_top.png) center center no-repeat;
    display: block;
    animation: spin 5s linear infinite;
}

.windmill_c {
    width: 82px;
    height: 123px;
    position: absolute;
    right: 3%;
    top: -82px;
    z-index: -1;
    background: url(../images/windmill_c_bottom.png) center bottom no-repeat;
}

.windmill_c::after {
    content: "";
    width: 82px;
    height: 82px;
    position: absolute;
    margin-top: -41px;
    background: url(../images/windmill_c_top.png) center center no-repeat;
    display: block;
    animation: spin 3s linear infinite;
}

.hydrogen_station {
    width: 58%;
    position: absolute;
    left: 15%;
    bottom: 0px;
    z-index: 1;
}

.hydrogen_station img {
    max-width: 100%;
}

.hydrogen_station i {
    width: 41px;
    height: 41px;
    line-height: 41px;
    text-align: center;
    display: block;
    font-size: 12px;
    color: #2083ff;
    background: #ffffff;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
    position: absolute;
    top: 40%;
}

.hydrogen_station i:nth-child(1) {
    left: 45%;
    animation: fly 3s linear infinite;
}

.hydrogen_station i:nth-child(2) {
    left: 51%;
    animation: fly 4s linear infinite;
}

.hydrogen_station i:nth-child(3) {
    left: 57%;
    animation: fly 5s linear infinite;
}

@-webkit-keyframes fly {
    0% {
        opacity: 1;
        transform: translateY(0px) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-210px) scale(2);
    }
}

@-webkit-keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
    100% {
        transform: rotate(360deg);
    }
}