.fixed.bottom {
    bottom: 0;
    top: auto;
}

.distribution-tip {
    display: none;
    position: fixed;
    left: 30px;
    right: 30px;
    top: 50%;
    margin-top: -50px;
    padding: 10px;
    line-height: 24px;
    border-radius: 5px;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    z-index: 3;
}

.sub-nav.nav-b5 {
    /* height: 48px; */
    overflow: hidden;
    margin: 0;
    padding: 0;
    background-color: rgba(255, 255, 255, 0.97);
    border-top: 1px solid #ddd;
     box-shadow: 0 -3px 3px rgba(0, 0, 0, .1);
    margin: 0;
}

.sub-nav.nav-b5 dd {
    margin: 0 0 0 0;
    width: 25%;
    text-align: center;
    border-right: 0px solid #ccc;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
}

.sub-nav dt, .sub-nav dd, .sub-nav li {
    float: left;
    display: inline;
    margin-left: 1rem;
    margin-bottom: 0.625rem;
    font-family: Helvetica, STHeiti STXihei, Microsoft JhengHei, Microsoft YaHei, Arial;
    font-weight: normal;
    font-size: 0.875rem;
    color: #999999;
}

.sub-nav .nav-b5-relative {
    position: relative;
    padding: 16px 0 4px 0;
}

.nav-b5-relative img {
    width: 24px;
    height: 28px;
    text-align: center;
    margin: 2px auto;
    display: block;
    padding-top: 5px;
}

.nav-b5-relative span {
    font-size: 14px;
}

.footer-color {
    color: #304ffe;
}

.fixed {
    width: 100%;
    left: 0;
    position: fixed;
    top: 0;
    z-index: 99;
}