全局css设置

html {
    height: 100%;
}

body {
    font-size: 14px;
    font-family: "PingFangSC-Regular", "PingFangSC", "微软雅黑", "Microsoft YaHei", "miui", "system-ui", "Helvetica", "Arial", "Verdana", "sans-serif";
    color: #333;
    height: 100%;
}

html,
body,
div,
section,
header,
footer,
aside,
ul,
ol,
li,
table,
tr,
th,
td,
button,
input,
textarea,
select,
h1,
h2,
h3,
h4,
h5,
h6,
em,
i,
strong,
p,
span,
blockquote {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
em,
th,
i,
strong,
input,
textarea,
button,
select {
    font-weight: normal;
    font-style: normal;
    font-size: 100%;
}

ul,
ol {
    list-style: none;
}

table,
td,
th {
    border-collapse: collapse;
    border-spacing: 0;
}

input,
button,
select,
textarea {
    outline: none;
    background: none;
}

textarea {
    resize: none;
}

img,
a img {
    border: none;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.fc {
    margin: 0 auto;
}

.vertical-middle {
    vertical-align: middle;
}


/**显示隐藏**/

.hidden {
    display: none;
}

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

.clearfix {
    zoom: 1;
}

.overflow {
    overflow: hidden;
}

/**定位**/

.posR {
    position: relative;
}

.posA {
    position: absolute;
}

.posF {
    position: fixed;
}

.fb {
    font-weight: bold;
}

.textL {
    text-align: left;
}

.textC {
    text-align: center;
}

.textR {
    text-align: right;
}

.text2em {
    text-indent: 2em;
}

.pointer {
    cursor: pointer;
}

/* 输入框自动填入后 */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-text-fill-color: #333 !important; /*填充后文字颜色*/
    -webkit-box-shadow: 0 0 0px 1000px transparent inset !important;
    background-color: transparent;/*填充后背景色 */
    background-image: none;
    transition: background-color 50000s ease-in-out 0s;
    /*背景色透明  生效时长  过渡效果  启用时延迟的时间 */
}

input {
    background-color: transparent;
}

/**输入控件 placeholder 色设置 #999**/
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #999;
}

input:-moz-placeholder,
textarea:-moz-placeholder {
    color: #999;
}

input::-moz-placeholder,
textarea::-moz-placeholder {
    color: #999;
}

input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
    color: #999;
}

/* 浏览器滚动条样式 */
/* width */
::-webkit-scrollbar {
     13px;
    height: 13px;
}

/* Track */
::-webkit-scrollbar-track {
    background: #ededed;
    border-radius: 7px;
}

/* Handle */
::-webkit-scrollbar-thumb {
    background: #d5d5d5;
    border-radius: 7px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
    background: #333;
}

/* 禁止用户选择 */
.noSelect {
    -webkit-touch-callout: none;
    /* iOS Safari */
    -webkit-user-select: none;
    /* Chrome/Safari/Opera */
    -khtml-user-select: none;
    /* Konqueror */
    -moz-user-select: none;
    /* Firefox */
    -ms-user-select: none;
    /* Internet Explorer/Edge */
    user-select: none;
    /* Non-prefixed version, currently not supported by any browser */
}

/* 超出省略号 */
.word-hidden {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

}

/* 超出省略号..宽度不固定，适合多行以及移动端显示 */
.words-hidden {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
　　 word-break: break-all;
}