blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
html,
input,
legend,
li,
ol,
p,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    font-size: 100%;
    vertical-align: baseline
}

html {
    font-size: 100%;
    line-height: 1;
}

@media screen and (max-width:480px) {
    html {
        font-size: 62.5%;
    }
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

li,
ol,
ul {
    list-style: none
}

img {
    border: 0;
    -webkit-touch-callout: none
}

b,
strong {
    font-weight: 700
}

a {
    text-decoration: none;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
    display: block
}

audio,
canvas,
progress,
video {
    display: inline-block;
    vertical-align: baseline
}

button,
input[type=submit],
input[type=reset],
input[type=button],
select {
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    outline: 0;
    border-radius: 0
}

body {
    -webkit-user-select: none;
    user-select: none;
    font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif
}

.pull-left {
    float: left
}

.pull-right {
    float: right
}

.clearfix {
    clear: both;
    overflow: hidden
}

.clearfix:after,
.clearfix:before {
    content: '';
    display: table
}

.clearfix:after {
    clear: both
}

.hidden {
    display: none
}

html,
body,
.main,
.stuAndTea {
    width: 100%;
    height: 100%;
}

.bg1 {
    background: #1FAD9F;
}

.bg2 {
    background: #FEA096;
}

.stuAndTea li {
    width: 50%;
    height: 100%;
    float: left;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
}

.btn {
    cursor: pointer;
}

.btn:hover {
    animation: ani .1s both linear;
    -webkit-animation: ani .1s both linear;
}

@keyframes ani {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.2);
    }
}

@-moz-keyframes ani {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.2);
    }
}

@-ms-keyframes ani {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.2);
    }
}

@-webkit-keyframes ani {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.2);
    }
}

.stuAndTea li img {
    width: 370px;
    height: 248px;
}

.stuAndTea li h1 {
    text-align: center;
    font-size: 30px;
    color: #fff;
    margin-top: 20px;
    font-weight: 900;
}

.stuAndTea li p {
    text-align: center;
    font-size: 20px;
    color: #fff;
    margin-top: 20px;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 200px;
    height: 50px;
    text-align: center;
}

.footer p {
    line-height: 25px;
    color: #fff;
}

.body {
    background: #A1E0EF;
}


.top_nav {
    display: block;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 99;
    height: 70px;
    border-bottom: 1px solid #D9DEE4;
    background: #fff;
    min-width: 400px;
}

.top-left {
    float: left;
    margin-left: 60px;
    height: 70px;
    line-height: 69px;
    font-size: 16px;
}

.top-left a i {
    display: block;
    float: left;
    font-size: 30px;
    margin: 20px 15px 0 0;
}

.container {
    width: 100%;
    padding: 100px 0;
}

.m-list {
    margin: 0 auto;
    box-sizing: border-box;
    width: 1000px;
    min-width: 1000px;
    display: flex;
    display: -webkit-flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.m-list .m-item {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin: 0 10px 20px;
    transition: all 0.2s
}

.m-list .m-item_1 {
    width: 180px;
    height: 230px
}

.m-list .m-item_2 {
    width: 230px;
    height: 164px
}

.m-list .m-item_3 {
    width: 313px;
    height: 148px
}

.m-list .m-item_4 {
    width: 480px;
    height: 123px
}

.hover_show {
    width: 100%;
    height: 100%;
    /* opacity: 0; */
    position: absolute;
    left: 0;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s
}

.hover_show .text {
    color: #333;
    /* transform: translateY(280px); */
    transition: all 0.3s;
    text-align: center;
    line-height: 1.3;
    font-size: 14px;
}

.m-list .hover_text:hover .hover_show {
    opacity: 1
}

.m-list .hover_text:hover .text {
    transform: translateY(0)
}

.m-list .hover_shadow:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 45px 0 rgba(29, 29, 29, 0.1)
}

.none {
    display: none
}