@charset "utf-8";

* {
    margin: 0;
    padding: 0;
    list-style: none;
}

body {
    font-family: "Microsoft YaHei light", "Verdana";
    font-size: 12px;
    color: #3d3e3f;
    background: linear-gradient(0deg, #fcfcf6, #ecebe7);
}

img {
    border: none;
}

ul,
li,
dl,
dt,
dd {
    list-style: none;
}

em {
    font-style: normal;
}

a {
    text-decoration: none;
    color: #3d3e3f;
    cursor: pointer;
}

a:hover {
    text-decoration: none;
    color: #000;
}

:focus {
    outline: none
}

.cl {
    clear: both;
    overflow: hidden;
}

.blank5 {
    height: 5px;
    clear: both;
    overflow: hidden
}

.blank10 {
    height: 10px;
    clear: both;
    overflow: hidden;
}

.main {
    width: 1200px;
    margin: 0 auto;
    position: relative
}

.fl {
    float: left
}

.fr {
    float: right
}

.center {
    text-align: center
}

.ts {
    transition: .6s ease all;
    -webkit-transition: .6s ease all;
    -moz-transition: .6s ease all;
    -o-transition: .6s ease all;
    -ms-transition: .6s ease all;
}

.middle_box {
    display: table;
    height: 100%;
    width: 100%;
}

.middle_inner {
    display: table-cell;
    vertical-align: middle;
}

/*head*/
.head {
    width: 100%;
    z-index: 100;
    padding: 1.5vw 0;
}

.head_main {
    width: 90%;
    margin: 0 auto;
}

.head .logo {
    float: left;
    background: url(../images/logo.png) no-repeat;
    width: 7.76vw;
    height: 4.69vw;
    background-size: cover
}

.head .logo a {
    display: block;
    width: 100%;
    height: 100%
}

.head .menu {
    display: none
}

.head .nav {
    float: right;
    overflow: hidden;
    position: relative
}

.head .nav ul li {
    float: left;
    margin-left:3.6vw;
    color: #fff;
    font-size:1.6vw;
    line-height:4.69vw;
    cursor: pointer;
    position: relative
}

.head .nav ul li .active {
    color: #000;
}

.head_fixed {
    box-shadow: 0 2px 5px -2px rgb(0 0 0 / 10%);
    position: fixed;
    background: linear-gradient(90deg, #fcfcf6, #ecebe7);
    padding: 20px 0
}
/* @media all and (min-width:1921px) {
    .head .logo {
        width: 149px;
        height: 90px;
    }
    .head .nav ul li {
        margin-left: 40px;
        font-size: 30px;
        line-height: 90px;
    }
    .banner {
        height:calc(100vh - 150px);
    }
    .banner .txt {
        font-size: 50px;
    }

} */
.banner {
    background: url(../images/banner.jpg) no-repeat bottom  center;
    height:calc(100vh - 7.69vw);
    text-align: center;
    background-size: cover;
}

.banner .txt {
    font-family: SimSun;
    letter-spacing: 4px;
    font-size:2.6vw;
    display: table;
    height: 80%;
    width: 100%;
}

.banner .txt p {
    display: table-cell;
    vertical-align: middle;
}

.title {
    font-size:3.2vw;
    font-family: SimSun;
    color: #3d3e3f;
    letter-spacing: 5px;
    padding:6vw 0 1vw;
    line-height:5vw;
}

.idea {
    text-align: center;
}

.idea .txt {
    font-size:2vw;
    letter-spacing: 2px;
    line-height:4vw;
    padding:2vw 0
}

.story {
    text-align: center;
}

.story .txt {
    font-size:2vw;
    letter-spacing: 2px;
    line-height:4vw;
    padding:2vw 0;
}

.story .txt p {
    font-size:2.8vw;
    padding:1vw 0 2.5vw
}

.product {
    margin:6vw auto 0;
    overflow: hidden;
}

.swiper_product {
    position: relative;
}

.swiper_product .swiper-slide {
    overflow: hidden;
    text-align: center;
}

.swiper_product .swiper-slide img {
    width: 90%;
}

.swiper-button-next,
.swiper-button-prev {
    top: 40%;
    background-color: rgba(210, 210, 210, .6);
    background-size: 15px 15px !important;
    border-radius: 50%;
    width: 52px !important;
    height: 52px !important;
    transition: all .5s;
    outline: none;
    opacity: 0;
}

.mouse-hover .swiper-button-next,
.mouse-hover .swiper-button-prev {
    opacity: 1;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: rgba(210, 210, 210, .8);
}

.swiper-button-next {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E") !important;
    right: 20px;
}

.swiper-button-prev {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E") !important;
    left: 20px;
}

.swiper-container .swiper-button-next.swiper-button-disabled,
.swiper-container .swiper-button-prev.swiper-button-disabled {
    opacity: 0;
}

.contact {
    text-align: center;
    padding-bottom: 120px
}

.contact .title {
    font-size:3.2vw;
    padding:8vw 0 0;
    letter-spacing: 2px;
    line-height: normal;
}

.contact .txt {
    font-size:1.8vw;
    letter-spacing: 2px;
    line-height:4vw;
    padding:2vw 0 0;
}

.progress-wrap {
    position: fixed;
    right: 50px;
    bottom: 50px;
    height: 46px;
    width: 46px;
    cursor: pointer;
    display: block;
    border-radius: 50px;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}

.progress-wrap.active-progress {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.progress-wrap::after {
    position: absolute;
    font-family: "iconfont";
    content: "\e601";
    text-align: center;
    line-height: 46px;
    font-size: 24px;
    color: #999;
    left: 0;
    top: 0;
    height: 46px;
    width: 46px;
    cursor: pointer;
    display: block;
    z-index: 1;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}

.progress-wrap:hover::after {
    opacity: 0;
}

.progress-wrap::before {
    position: absolute;
    font-family: "iconfont";
    content: "\e601";
    text-align: center;
    line-height: 46px;
    font-size: 24px;
    opacity: 0;
    color: #3d3e3f;
    left: 0;
    top: 0;
    height: 46px;
    width: 46px;
    cursor: pointer;
    display: block;
    z-index: 2;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}

.progress-wrap:hover::before {
    opacity: 1;
}

.progress-wrap svg path {
    fill: none;
}

.progress-wrap svg.progress-circle path {
    stroke: #3d3e3f;
    stroke-width: 4;
    box-sizing: border-box;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}

::-webkit-scrollbar {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    cursor: pointer;
    border-radius: 5px;
    background: rgba(0, 0, 0, .25);
    -webkit-transition: color .2s ease;
    transition: color .2s ease;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, .1);
    border-radius: 0;
}

/* @media all and (max-width:1200px) {
    .head {
        padding: 3vw 0;
    }

    .head .logo {
        width: 100px;
        height: 60px;
    }

    .head .nav ul li {
        margin-left: 5vw;
        font-size: 3vw;
        line-height: 60px;
    }

    .banner {
        height: 100vh;
        background-position: bottom center;
        background-size: cover;
    }

    .banner p {
        font-size: 6vw;
    }

    .title {
        font-size: 5.2vw;
        letter-spacing: 2px;
        padding: 8vw 0 0vw;
        line-height: 7vw;
    }

    .idea .txt {
        font-size: 3.6vw;
        letter-spacing: 2px;
        line-height: 8vw;
        padding: 3vw 0
    }

    .story .txt {
        font-size: 3.2vw;
        letter-spacing: 2px;
        line-height: 7.6vw;
        padding: 5vw 3vw;
    }

    .story .txt p {
        font-size: 4.2vw;
        padding-bottom: 2vw
    }

    .product {
        margin: 7vw auto 0;
    }

    .contact {
        padding: 0 3vw 12vw
    }

    .contact .title {
        font-size: 5vw;
        padding: 12vw 0 0;
        letter-spacing: 2px;
    }

    .contact .txt {
        font-size: 3.2vw;
        letter-spacing: 2px;
        line-height: 7.5vw;
        padding: 3vw 0 0;
    }
} */

@media all and (max-width:640px) {
    .head {
        padding: 3vw 0;
        position: absolute;
        background: #ecebe7;
        z-index: 100;
    }

    .head .logo {
        width: 100px;
        height: 60px;
    }

    .head_main {
        position: relative;
    }

    .head .nav {
        display: none;
    }

    .head .nav ul {
        display: table-cell;
        vertical-align: middle;
    }

    .head .menu {
        display: block
    }

    .menu {
        text-align: center;
        transition: all 0.3s ease-out;
        position: absolute;
        right: 0px;
        top: 12px;
        z-index: 100;
    }

    .menu-icon {
        width: 24px;
        height: 24px;
        cursor: pointer;
        display: block;
        text-align: center;
        padding: 6px;
        border-radius: 3px;
        position: relative;
        background: #3d3e3f
    }

    .menu-icon:hover .menu-icon-line {
        background-color: #fff;
        transition: .6s ease all;
    }

    .menu-icon-line {
        height: 2px;
        width: 24px;
        display: block;
        background-color: #fff;
        margin: 0 0 5px;
        cursor: pointer;
        -webkit-transition: background-color .5s ease, -webkit-transform .2s ease;
        transition: background-color .5s ease, -webkit-transform .2s ease;
        transition: transform .2s ease, background-color .5s ease;
        transition: transform .2s ease, background-color .5s ease, -webkit-transform .2s ease;
    }

    .menu-icon-line-left {
        width: 24px;
        margin: 4px 0 5px;
        -webkit-transition: all 200ms linear;
        transition: all 200ms linear;
    }

    .menu-icon-line-right {
        width: 24px;
        float: right;
        -webkit-transition: all 200ms linear;
        -moz-transition: all 200ms linear;
        -o-transition: all 200ms linear;
        -ms-transition: all 200ms linear;
        transition: all 200ms linear;
    }

    .menu-icon:hover .menu-icon-line-left,
    .menu-icon:hover .menu-icon-line-right {
        width: 24px;
    }

    .menu-active .menu-icon {
        background: #3d3e3f
    }

    .menu-active .menu-icon-line {
        background-color: #fff;
        -webkit-transform: translate(0px, 0px) rotate(-45deg);
        transform: translate(0px, 0px) rotate(-45deg);
    }

    .menu-active .menu-icon-line-left {
        width: 12px;
        -webkit-transform: translate(2px, 3px) rotate(45deg);
        transform: translate(2px, 3px) rotate(45deg);
    }

    .menu-active .menu-icon-line-right {
        width: 12px;
        float: right;
        -webkit-transform: translate(-2px, -3px) rotate(45deg);
        transform: translate(-2px, -3px) rotate(45deg);
    }

    .menu-active .menu-icon:hover .menu-icon-line-left,
    .menu-active .menu-icon:hover .menu-icon-line-right {
        width: 12px;
    }

    .menu-active .head .nav {
        display: table;
        background: rgba(0, 0, 0, .9);
        position: fixed;
        width: 100%;
        height: 100vh;
        left: 0;
        top: 0;
    }

    .menu-active .head .nav ul li {
        display: block;
        margin: 0;
        float: none;
        text-align: center;
        line-height:16vw;
        font-size:8vw;
    }

    .menu-active .head .nav ul li a {
        color: #fff !important;
        display: block
    }

    .banner {
        height: 100vh;
        background-position: bottom center;
    }

    .banner p {
        font-size: 8vw;
        line-height: 6vw;
    }

    .banner span {
        clear: both;
        display: block;
        font-size: 0;
    }

    .title {
        font-size:7.5vw;
        letter-spacing:0px;
        padding: 15vw 3vw 2vw;
        line-height:11vw;
    }
    .title span{
        clear: both;
        display: block;
        font-size: 0;
        line-height: 0;
    }

    .idea .txt {
        font-size:4vw;
        letter-spacing: 1px;
        line-height:8vw;
        padding: 3vw 0;
    }

    .story .txt {
        font-size:4vw;
        letter-spacing: 1px;
        line-height:8vw;
        padding:10vw 3vw 0;
    }
    .story .txt span{
        clear: both;
        display: block;
        font-size: 0;
        line-height: 0;
    }
    .story .txt em{
        display: none;
    }

    .story .txt p {
        font-size:6vw;
        padding-bottom: 6vw
    }

    .product {
        margin: 12vw auto 0;
    }

    .swiper_product .swiper-slide img {
        width: 100%;
    }

    .contact {
        padding: 0 3vw 15vw
    }

    .contact .title {
        font-size: 6vw;
        padding: 12vw 0 0;
        letter-spacing:0px;
    }

    .contact .txt {
        font-size:3.6vw;
        letter-spacing:1px;
        line-height:6vw;
        padding: 4vw 3vw 0;
    }

    .contact .txt span {
        clear: both;
        display: block;
        font-size: 0;
        line-height: 0;
    }

    .progress-wrap {
        display: none;
    }
}