html {
    font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif,'Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol','Noto Color Emoji';
    font-size: 14px;
    font-weight: normal;
    color: #333;
    line-height: 22px;
}

* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

span,
li,
div {
    box-sizing: border-box;
}

img {
    border: none;
    /* width: 100%; */
}

a {
    text-decoration: none;
    color: #333;
    outline: none;
}

li {
    list-style: none;
}

input,textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #E0E0E0;
    border-radius: 4px;
}

input:focus {
    border: 1px solid #00B589;
    outline-color: #00B589
}

textarea:focus {
    border: 1px solid #00B589;
    outline-color: #00B589
}

input,
select,
button {
    -webkit-appearance: none;
    appearance: none;
}

/* 重用类样式 */
.up {
    text-transform: uppercase;
}

.clear {
    clear: both;
}

.f_l {
    float: left !important;
}

.f_r {
    float: right !important;
}

.no_margin {
    margin: 0px !important;
}

.no_border {
    border: 0px !important;
}

.no_bg {
    background: none !important;
}

.clear_both {
    clear: both !important;
}

.display_block {
    display: block !important;
}

.text_over {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    -moz-binding: url('ellipsis.xml#ellipsis');
}

.flex {
    display: flex;
}

.sa.show {
    opacity: 1;
    transform: none;
}

.sa-up {
    transform: translate(0, 100px);
}

.sa {
    opacity: 0;
    transition: all .5s ease;
}

.strong { font-weight: bold; }
a.highlight { color: #43d1ff; }
.underline { text-decoration: underline; }

.clear{clear:both;}
.clearfix:after {content: ".";display: block;height: 0;font-size:0;clear: both;visibility: hidden;}
.clearfix {clear:both;}