* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    width: 100%;
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
    overflow-y: auto;
}
h1, h2, h3, h4, h5, h6, input, button {
    font-size: 16px;
    font-weight: normal;
    font-family: "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
}
div, p, li, dl, dt, dd {
    word-break: break-all;
}
button, input, select {
    cursor: pointer;
    -webkit-appearance: none;
    border: 0
}
button::-moz-focus-inner {
    border: 0;
    padding: 0;
    margin: 0;
}
input {
    cursor: auto;
    background: transparent;
}
a, input, button {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: transparent;
    background: none;
}
input:focus, button:focus {
    outline: none;
}
input::-moz-placeholder, textarea::-moz-placeholder {
    color: #9B9B9B;
}
input:-ms-input-placeholder, textarea:-ms-input-placeholder {
    color: #9B9B9B;
}
input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {
    color: #9B9B9B;
}
a {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}
img {
    max-width: 100%;
    vertical-align: middle;
    border: none;
}
ul, ol, li {
    list-style: none;
}
i, em {
    font-style: normal;
}
element::-webkit-scrollbar {
    display: none;
}
.none {
    display: none;
}
.opacity {
    opacity: 0.3;
    filter: Alpha(opacity=30);
}
/*清楚浮动*/
.clearfix:before,
.clearfix:after {
    display: table;
    content: "";
}
.clearfix:after {
    clear: both
}
/* 布局 */
/* 导航 */
.nav {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 40px;
    background: #021229;
}
.nav-logo {
    display: block;
    width: 73px;
    margin: 7px 0 0 20px;
    float: left;
}
.nav-icon {
    width: 22px;
    height: 22px;
    margin: 9px 24px 0 0;
    float: right;
    background: url("../images/icon_menu.png") center no-repeat;
    background-size: 100%;
}
.nav-close {
    background: url("../images/icon_close.png") center no-repeat;
    background-size: 100%;
}
.nav-menu {
    position: fixed;
    top: 40px;
    right: 0;
    left: 0;
    z-index: 99;
    width: 100%;
    height: 0;
    background: rgba(2, 18, 41, 0.94);
    -webkit-transition: height .56s cubic-bezier(0.52, 0.16, 0.24, 1);
    transition: height .56s cubic-bezier(0.52, 0.16, 0.24, 1);
    overflow: hidden;
}
.nav-menu-on {
    bottom: 0;
    height: 100%;
}
.nav-menu ul {
    padding: 20px;
}
.nav-menu li {
    text-align: center;
    margin-top: 60px;
}
.nav-menu li a {
    display: block;
    font-size: 19px;
    font-weight: 500;
    color: #fff;
    line-height: 26px;
}