@charset "utf-8";
* {
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    outline: none;
}

@font-face {
    font-family: "sisong";
    src: url(../style/fonts/sySong.woff);
}

.pb_sys_common {
 
    line-height: 30px!important;
  
}


html,
body {
    color: #333;
    font-size: 16px;
    font-family: "微软雅黑";
    margin-left: auto !important;
    margin-right: auto !important;
    text-align: left;
    /* background: #f5f5f5; */
}

html {
    font-size: 100px;
}

@media screen and (max-width:1800px) {
    html {
        font-size: 95px;
    }
}

@media screen and (max-width:1600px) {
    html {
        font-size: 90px;
    }
}

@media screen and (max-width:1400px) {
    html {
        font-size: 85px;
    }
}

@media screen and (max-width:1200px) {
    html {
        font-size: 80px;
    }


.text-list{
min-height: 6rem;
}
}

@media(min-width: 1200px) {
    @media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 120dpi) {}
    @media (-webkit-min-device-pixel-ratio: 1.05) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 100px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 95.5px !important;
            }
        }
    }
    @media (-webkit-min-device-pixel-ratio: 1.1) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 100px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 92.5px !important;
            }
        }
    }
    @media (-webkit-min-device-pixel-ratio: 1.15) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 80px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 87px !important;
            }
        }
    }
    @media (-webkit-min-device-pixel-ratio: 1.20) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 80px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 84px !important;
            }
        }
    }
    /* 屏幕分辨率放大为 125 */
    @media (-webkit-min-device-pixel-ratio: 1.25) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 80px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 80px !important;
            }
        }
    }
    /* 屏幕分辨率放大为 150 */
    @media (-webkit-min-device-pixel-ratio: 1.5) {
        @media screen and (min-width: 1920px) {
            html {
                font-size: 80px !important;
            }
        }
        @media screen and (max-width:1920px) {
            html {
                font-size: 70px !important;
            }
        }
    }
}

@media screen and (min-width:1024px) {
     ::-webkit-scrollbar {
        width: 6px;
        height: 9px;
    }
     ::-webkit-scrollbar-track {
        width: 3px;
        background: rgba(0, 0, 0, .5);
        -webkit-border-radius: 2em;
        -moz-border-radius: 2em;
        border-radius: 2em;
    }
     ::-webkit-scrollbar-thumb {
        background-color: #C72121;
        background-clip: padding-box;
        min-height: 28px;
        -webkit-border-radius: 2em;
        -moz-border-radius: 2em;
        border-radius: 2em;
    }
     ::-webkit-scrollbar-thumb:hover {
        background-color: #ef9e12
    }
}

.l1 {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.l2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.l3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.wid {
    position: relative;
    width: 16rem;
    max-width: 95%;
    margin: 0 auto;
}

@media screen and (max-width:1024px) {
    .header {
        display: none;
    }
    .wid {
        width: auto;
        max-width: none;
        margin: 0 auto;
        padding-left: 10px;
        padding-right: 10px;
    }
}

body .clear {
    clear: both;
    height: 0 !important;
    width: 0 !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

img,
input {
    border: 0;
    outline: none;
}

.wap {
    display: none !important;
}

.top>img.wap {
    display: none;
}

.flex {
    display: flex;
}

.flex-jcsb {
    display: flex;
    justify-content: space-between;
}

.flex-jcfs {
    display: flex;
    justify-content: flex-start;
}

.flex-jcfe {
    display: flex;
    justify-content: flex-end;
}

.flex-jcct {
    display: flex;
    justify-content: center;
}

.flex-alfs {
    display: flex;
    align-items: flex-start;
}

.flex-alct {
    display: flex;
    align-items: center;
}

.flex-alend {
    display: flex;
    align-items: flex-end;
}

.icon:hover img {
    animation: jello 1s linear;
}

@keyframes jello {
    from,
    11.1%,
    to {
        -webkit-transform: none;
        -moz-transform: none;
        transform: none;
    }
    22.2% {
        -webkit-transform: skewX(-12.5deg) skewY(-12.5deg);
        -moz-transform: skewX(-12.5deg) skewY(-12.5deg);
        transform: skewX(-12.5deg) skewY(-12.5deg)
    }
    33.3% {
        -webkit-transform: skewX(6.25deg) skewY(6.25deg);
        -moz-transform: skewX(6.25deg) skewY(6.25deg);
        transform: skewX(6.25deg) skewY(6.25deg)
    }
    44.4% {
        -webkit-transform: skewX(-3.125deg) skewY(-3.125deg);
        -moz-transform: skewX(-3.125deg) skewY(-3.125deg);
        transform: skewX(-3.125deg) skewY(-3.125deg)
    }
    55.5% {
        -webkit-transform: skewX(1.5625deg) skewY(1.5625deg);
        -moz-transform: skewX(1.5625deg) skewY(1.5625deg);
        transform: skewX(1.5625deg) skewY(1.5625deg)
    }
    66.6% {
        -webkit-transform: skewX(-.78125deg) skewY(-.78125deg);
        -moz-transform: skewX(-.78125deg) skewY(-.78125deg);
        transform: skewX(-.78125deg) skewY(-.78125deg)
    }
    77.7% {
        -webkit-transform: skewX(0.390625deg) skewY(0.390625deg);
        -moz-transform: skewX(0.390625deg) skewY(0.390625deg);
        transform: skewX(0.390625deg) skewY(0.390625deg)
    }
    88.8% {
        -webkit-transform: skewX(-.1953125deg) skewY(-.1953125deg);
        -moz-transform: skewX(-.1953125deg) skewY(-.1953125deg);
        transform: skewX(-.1953125deg) skewY(-.1953125deg)
    }
}


/* 搜索框 */


/* pc搜索 */


/* pc搜索 */

.search_btn {
    cursor: pointer;
}

.search_btn svg {
    fill: rgb(255, 255, 255);
    width: 16px;
    height: 16px;
}

.search-dialog-box {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100vh;
    z-index: 1000000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s ease 0s;
}

.search-dialog-box::before {
    content: "";
    position: absolute;
    top: 0px;
    height: 0px;
    background: rgb(14, 93, 168);
    transition: all 0.6s ease 0s;
    left: 0px;
    right: 0px;
    z-index: 1;
    opacity: 0.9;
}

.search-dialog-box.on::before {
    height: 100%;
    display: none;
}

.search-dialog-box .bubbles-bg {
    opacity: 0;
    visibility: hidden;
    display: none;
}

.search-dialog-box .search-bg {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 0px;
    margin: 0px;
    background: 0% 0% / cover no-repeat rgba(0, 0, 0, 0.7);
    transform-origin: center center;
    transition: height 0.8s cubic-bezier(0.77, 0, 0.175, 1) 0s;
}

.search-dialog-box .wrap-inner {
    transform: translateY(100%);
    transition: all 0.6s ease 0s;
}

.search-dialog {
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 2;
}

.search-dialog .search-tit {
    font-size: 0.44rem;
    line-height: 0.56rem;
    color: rgb(255, 255, 255);
    text-align: center;
    overflow: hidden;
    display: none;
}

.search-dialog .search-inner {
    overflow: hidden;
    margin-top: 0px;
}

.search-dialog .search-input {
    width: 8rem;
    margin: 0px auto;
    background-color: rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
    transition: all 0.3s ease 0s;
    max-width: 94%;
}

.search-dialog .search-input input[type="text"] {
    float: left;
    height: 0.7rem;
    width: calc(100% - 1rem);
    background-color: rgb(255, 255, 255);
    font-size: 0.2rem;
    line-height: 0.08rem;
    color: #666;
    transition: all 0.3s ease 0s;
    padding: 0px 0.2rem;
}

.search-dialog .search-input input[type="submit"],
.search-dialog .search-input .clear-btn {
    float: right;
    height: 0.7rem;
    width: 1rem;
}

.search-dialog .search-input input[type="submit"] {
    background-color: #C72121;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 0.4rem;
    background-image: url("../images/search-btn.svg");
    font-size: .2rem;
    color: #fff;
}

.search-dialog .search-input .clear-btn {
    background-color: rgba(0, 0, 0, 0.2);
    background-repeat: no-repeat;
    background-position: center center;
    background-image: url("../images/close-btn.svg");
    background-size: 0.56rem;
    border-radius: 100%;
    margin-right: 0.16rem;
    display: none;
}

.search-dialog .search-input.on {
    background-color: rgb(255, 255, 255);
}

.search-dialog .hot-search {
    font-size: 0px;
    width: 0.49rem;
    margin: 0.096rem auto 0px;
    box-sizing: border-box;
    padding: 0px 0.096rem;
    overflow: hidden;
}

.search-dialog .hot-search .hot-tit,
.search-dialog .hot-search .hot-link {
    display: inline-block;
    zoom: 1;
    vertical-align: top;
}

.search-dialog .hot-search .hot-tit {
    font-size: 0.06rem;
    line-height: 0.08rem;
    color: rgb(255, 255, 255);
    font-weight: bold;
    padding-left: 0.096rem;
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 0.08rem;
}

.search-dialog .hot-link {
    margin-left: 0.16rem;
}

.search-dialog .hot-link a {
    display: inline-block;
    zoom: 1;
    font-size: 0.06rem;
    line-height: 0.08rem;
    margin-right: 0.12rem;
    color: rgb(255, 255, 255);
    padding-bottom: 5px;
    position: relative;
}

.search-dialog .hot-link a::before {
    content: "";
    position: absolute;
    left: 0%;
    bottom: 0px;
    width: 100%;
    height: 2px;
    background-color: rgb(255, 255, 255);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s ease 0s;
}

.search-dialog-box .bottom-box {
    position: absolute;
    left: 0px;
    bottom: 5.1%;
    width: 100%;
}

.search-dialog-box .bottom-box .share-box {
    overflow: hidden;
}

.search-dialog-box .bottom-box .copy {
    font-size: 0.35rem;
    line-height: 0.5rem;
    color: rgb(255, 255, 255);
    font-family: gilroy-regular;
    margin-top: 0.5rem;
    overflow: hidden;
}

.header-right.is-open .bubbles-bg {
    visibility: visible;
    opacity: 1;
}

.header-right.is-open .search-btn .con-box {
    display: none;
}

.header-right.is-open .close-btn {
    display: block;
}

.header-right.is-open .item .search-bg {
    transform: scale(1);
}

.search-dialog-box.on {
    opacity: 1;
    visibility: visible;
}

.search-dialog-box.on .search-bg {
    height: 100vh;
}

.search-dialog-box.on .bubbles-bg {
    opacity: 1;
    visibility: visible;
}

.search-dialog-box.on .wrap-inner {
    transform: translateY(0px);
}

.pub-close {
    position: absolute;
    width: 0.48rem;
    height: 0.48rem;
    z-index: 10;
    right: 0.24rem;
    top: 0.216rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 100%;
}

.pub-close .bg {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background-color: rgb(28, 90, 183);
    transform: scale(0);
    border-radius: 100%;
    transition: transform 0.3s ease 0s;
}

.pub-close i {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-size: 0.12rem;
    background-repeat: no-repeat;
    background-image: url("../images/close-btn.svg");
    transition: all 0.6s ease 0s;
}

.pub-close i:hover {
    transform: rotate(180deg);
}

@keyframes spin {
    100% {
        transform: rotate(1turn);
    }
}

@keyframes spin2 {
    100% {
        transform: rotate(-1turn);
    }
}

@keyframes spin-reverse {
    0% {
        transform: rotate(1turn);
    }
}

@keyframes spin-reverse2 {
    0% {
        transform: rotate(-1turn);
    }
}


/* 搜索结束*/

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
}

.header::before {
    content: "";
    position: absolute;
    height: 100%;
    top: 0px;
    left: 0px;
    right: 0px;
    transition: all 0.6s;
    opacity: 1;
    visibility: visible;
    background: url(../images/headbg.png) center top;
    background-size: 100% 100%;
}

.header.xg::before {
    height: 1.1rem;
    background: #C72121;
}

.header.xg .head {
    padding: .15rem 0;
}

.head {
    position: relative;
    padding: .34rem 0;
    z-index: 99;
}

.logo {
    overflow: hidden;
}

.logo a {
    position: relative;
    transition: all 0.5s;
    top: 0;
}

.logo a {
    display: block;
}

.logo a img {
    display: block;
    
}

.head-nav {
    position: relative;
    z-index: 9;
}

.nav>ul {
    font-size: 0;
    text-align: center;
}

.nav>ul>li {
    text-align: center;
    position: relative;
    margin-left: .5rem;
}

.nav>ul>li.active>a {}

.nav>ul>li:first-child {
    margin-left: 0;
    border-left: none;
}

.nav>ul>li>a {
    display: block;
    line-height: 0.6rem;
    color: #fff;
    text-align: center;
    position: relative;
    transition: all 0.3s;
    font-size: 0.2rem;
}

.nav>ul>li>a::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    border-bottom: 0.05rem solid transparent;
    border-left: 0.05rem solid transparent;
    border-right: 0.05rem solid transparent;
}

.nav>ul>li.on>a::after {
    border-bottom: 0.05rem solid #ffffff;
}

.nav>ul>li>div {
    position: absolute;
    top: 150%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    min-width: 1.5rem;
    background: #fff;
    z-index: 9999;
    line-height: normal;
    padding: 0.09rem;
    opacity: 0;
    display: none;
    /* border-top: 0.01rem dashed #fff; */
}

.nav>ul>li>a::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    border-bottom: 0.08rem solid rgba(255, 255, 255);
    border-left: 0.1rem solid transparent;
    border-right: 0.1rem solid transparent;
    display: none;
}

.nav>ul>li:hover>a::after {
    display: block;
}

.nav>ul>li .nav-ejbox {
    position: relative;
    z-index: 9;
}

.nav>ul>li ul {
    overflow: hidden;
}

.nav>ul>li>div ul li {
    line-height: .4rem;
    text-align: center;
}

.nav>ul>li>div ul>li a {
    display: block;
    font-size: 0.16rem;
    color: #333;
    position: relative;
}

.nav>ul>li>div ul>li a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0.04rem;
    height: 0.04rem;
    /* background: #fff; */
    border-radius: 50%;
}

.nav>ul>li>div ul>li a:hover {
    background: #C72121;
    color: #fff;
}

.list_box0 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.list_box0 .li {
    padding-right: 0.02rem;
}

.list_box0 .li a {
    color: #fff;
    font-size: 0.16rem;
    transition: 0.5s;
    border-left: 1px solid #D8D8D8;
    padding: 0 .15rem;
    align-items: center;
}

.list_box0 .li:first-child a {
    border: none !important;
}

.top {
    max-width: 19.2rem;
    margin: 0 auto;
    position: fixed;
    right: 0.1rem;
    top: 0.18rem;
    width: 0.25rem;
    height: 0.25rem;
    z-index: 9999;
}

.top>img {
    display: block;
    width: 100%;
}

.wap-menu {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 99999;
    font-size: 0;
}

.wap-menu img {
    height: 25px;
}

.close-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 0;
}


/* nav */

.next-back img {
    display: block;
    width: auto !important;
    height: auto !important;
}

.pic {
    padding-top: 75%;
    position: relative;
    overflow: hidden;
}

.pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    transition: all 1s;
}

.pic img:hover {
    transform: scale(1.05);
}

.footer {
    background: url(../images/foot-bg.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    z-index: 9;
}

.link {
    border-bottom: 1px solid rgba(240, 240, 240, .2);
    padding: .45rem 0;
    line-height: .37rem;display:none
}

.link .wid {
    display: flex;
    align-items: center;
}

.link .wid span {
    font-size: 0.18rem;
    font-weight: normal;
    color: #ffffff;
    padding-left: .3rem;
    margin-right: .1rem;
    background: url(../images/ft-link.png)no-repeat left center;
    background-size: .23rem auto;
}

.link .wid div {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.link .wid div a {
    display: block;
    font-size: 0.18rem;
    font-weight: normal;
    padding-right: .6rem;
    color: #ecf5ff;
    display: flex;
    align-items: center;
}

.link .wid div a:hover {
    text-decoration: underline;
}

.foot-c {
    display: flex;
    justify-content: center;
    padding: .25rem 0 .25rem 0;
    align-items: center;
}

.foot-logo a {
    display: block;
}

.foot-logo a img {
    display: block;
}

.foot-m p {
    font-size: 0.16rem;
    line-height: .3rem;
    color: #fff;
}

.foot-r ul {
    display: flex;
}

.foot-r ul li {
    display: flex;
    flex-direction: column;
}

.foot-r ul li:nth-child(1) {
    margin-right: .2rem;
}

.foot-r ul li div {
    background: #fff;
    margin: 0 auto;
}

.foot-r ul li div img {
    display: block;
    width: 0.86rem;
    margin: 0 auto;
}

.foot-r ul li p {
    font-size: 0.16rem;
    color: #ffffff;
    line-height: .3rem;
    text-align: center;
}


/* 公共代码版块 */

.titline i {
    display: inline;
    font-style: normal;
    position: relative;
    background-image: linear-gradient(#c47d5f, #c47d5f);
    background-position: right bottom;
    background-size: 0 1px;
    background-repeat: no-repeat;
    transition: background-size 1s;
}

a:hover .titline i {
    background-position: left bottom;
    background-size: 100% 1px;
    font-weight: inherit;
    color: inherit;
}

@media screen and (max-width:1400px) {
    .px1400 {
        padding-left: 10px;
        padding-right: 10px;
    }
    .nav>ul>li {}
}

@media screen and (max-width:1314px) {}

@media screen and (max-width:1200px) {
    .nav>ul>li {}
    .search {
        width: 240px;
    }
}

@media screen and (max-width:1024px) {
    body {
        padding-top: 60px !important;
    }
    .pc {
        display: none !important;
    }
    .wap {
        display: block !important;
    }
    .m-head {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background: #C72121;
        z-index: 999;
        padding: 10px;
        box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    }
    .m-logo {
        font-size: 0;
    }
    .m-logo a {
        font-size: 0;
        line-height: 40px;
        display: block;
    }
    .m-logo img {
        max-height: 40px;
        max-width: 80%;
        vertical-align: middle;
    }
    .m-tlink {
        padding: 10px 15px 0 15px;
    }
    .m-tlink a {
        font-size: 12px;
        margin-right: 5px;
        margin-bottom: 5px;
        color: #fff;
        display: inline-block;
        line-height: 24px;
        background: #fff;
        color: #304174;
        line-height: 24px;
        padding: 0 15px;
        border-radius: 5px;
    }
    .m-search {
        margin: 0 15px;
        padding-right: 50px;
        padding-left: 10px;
        padding-top: 5px;
        padding-bottom: 5px;
        position: relative;
        line-height: 35px;
        /* background: #fff; */
        margin-top: 15px;
        border: 1px solid #fff;
    }
    .m-search input[type="text"] {
        display: block;
        width: 100%;
        line-height: 25px;
        background: none;
        color: #fff;
    }
    .m-search input[type="text"]::placeholder {
        color: #fff;
    }
    .m-search input[type="image"] {
        position: absolute;
        right: 10px;
        top: 10px;
        height: 15px;
    }
    .m-nav {
        position: fixed;
        top: 60px;
        right: -100%;
        bottom: 0;
        z-index: 999;
        background: #C72121;
        overflow-y: auto;
        width: 100%;
        max-width: 375px;
    }
    .m-nav ul {
        padding: 0 15px;
        /* border-top: 1px solid rgba(255, 255, 255, 0.2); */
    }
    .m-nav ul li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        position: relative;
    }
    .m-nav ul li>span.on {
        transform: rotateZ(90deg);
    }
    .m-nav ul li ul {
        display: none;
    }
    .m-nav ul li ul li {
        border: none;
    }
    .m-nav>ul>li a {
        display: block;
        font-size: 14px;
        line-height: 20px;
        padding: 15px 0;
        position: relative;
        color: #fff;
    }
    .m-nav>ul>li ul li a {
        padding: 10px 0;
    }
    .m-nav>ul>li ul li:nth-child(1) a {
        padding-top: 0;
    }
    .m-nav>ul>li>span {
        position: absolute;
        width: 20px;
        height: 20px;
        background: url(../images/m-nav_down.png) no-repeat;
        background-size: 14px 14px;
        background-position: center center;
        right: 0;
        top: 15px;
        cursor: pointer;
        display: block;
        color: #fff;
        transition: all 0.3s;
    }
    .link .wid div a {
        padding-right: .15rem;
    }
}

@media screen and (max-width:1000px) {
    .foot-c {
        flex-wrap: wrap;
    }
    .foot-l {
        width: 100%;
    }
    .foot-logo a img {
        margin-left: auto;
        margin-right: auto;
        height: .81rem;
        margin-bottom: .15rem;
    }
}

@media screen and (max-width:600px) {
    .link {
        padding: .15rem 0;
    }
    .foot-c {
        padding: .15rem 0;
    }
    .foot-m {
        width: 100%;
    }
    .foot-r {
        width: 100%;
        text-align: center;
        margin-top: .15rem;
    }
    .foot-r ul {
        justify-content: center;
    }
    .foot-r ul li {
        margin: 0 .15rem!important;
    }
}

@media screen and (max-width:1024px) {
   .mechanism{min-height: 7.5rem;}
    }
@media screen and (max-width:820px) {
   .mechanism{min-height: 5rem;}
    }