/*reset*/

html {
    background: #fff;
    /* font-size: 15.625vw; */
}

article,
aside,
dialog,
footer,
header,
section,
footer,
nav,
figure,
menu {
    display: block
}

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

fieldset,
img {
    border: 0 none
}

img {
    display: block;
    width: 100%;
    height: auto;
}

body {
    font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
}

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

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

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

a {
    color: #333;
    text-decoration: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    display: block;
}

a,
input,
select {
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    -webkit-border-radius: 0;
}

img,
input,
select {
    border: none;
}

i,
em {
    font-style: normal;
}

:focus {
    outline: none
}


/*常用*/

.clear {
    clear: both;
}

.clear:after {
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    content: ".";
}

.auto {
    overflow: hidden;
}

.none {
    display: none;
}

.last {
    margin-right: 0 !important;
}


/*浮动*/

.fl {
    float: left;
}

.fr {
    float: right;
}


/*文字超出省略*/

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

.ellipsis2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.ellipsis3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.ellipsis4 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}


/* 弹性布局 */
.dfac {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.dfbc {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dfcc {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.dfee {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.dfsc {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.dfcs {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.dfas {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
}

.dfss {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}

.dfbs {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.fdc {
    flex-direction: column;
}

.fw {
    flex-wrap: wrap;
}

/* 箭头 */
/*右1*/
.arrow {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.arrow::after {
    content: '';
    width: 8px;
    height: 8px;
    border-top: 2px solid rgba(102, 102, 102, 1);
    border-right: 2px solid rgba(102, 102, 102, 1);
    transform: rotate(45deg);
    display: block;
    margin-left: 18px;
    position: absolute;
    right: 20px;
}