.float-right-box {
    width: 250px;
    position: fixed;
    right: 0;
    top: 50%;
    margin-top: -250px;
    background-color: #191919;
    z-index: 1000;
    transition: width 0.3s ease 0s;
}
.float-right-box .top-list {
    width: 100%;
}
.float-right-box .top-list ul {
    width: 100%;
}
ul, ol {
    list-style: none outside none;
}
ul, ol, li, dl, dd {
    margin: 0;
    padding: 0;
}
.float-right-box .top-list li {
    width: 100%;
    position: relative;
    border-bottom: 1px solid #3b3b3b;
    transition: background 0.3s ease 0s;
    height: 51px;
}
.float-right-box .top-list a {
    display: block;
    width: 100%;
}
.f-cb {
    zoom: 1;
}
.float-right-box a {
    color: #777;
    transition: color 0.3s ease 0s;
}
.float-right-box .top-list .stt {
    display: inline-block;
    font-size: 14px;
    line-height: 50px;
    color: #fff;
    transition: color 0.3s ease 0s;
    position: absolute;
    left: 28px;
    top: 0;
    z-index: 1;
    width: 222px;
}
.float-right-box .top-list .ico2 {
    background: url(../images/ico_59.png) no-repeat center #191919;
}
.float-right-box .top-list .ico {
    display: inline-block;
    width: 50px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 0;
    transition: background 0.3s ease 0s;
    z-index: 2;
}
.f-cb:after {
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
    content: ".";
}
.float-right-box .top-list li:hover {
    background-color: #fff;
}
.float-right-box .top-list li:hover .stt {
    color: #15191e;
}
.float-right-box .top-list li:hover .ico2 {
    background: url(../images/ico_59_h.png) no-repeat center #fff;
}
.float-right-box .top-list .ico5 {
    background: url(../images/ico_62.png) no-repeat center #191919;
}
.float-right-box .top-list li:hover .ico5 {
    background: url(../images/ico_62_h.png) no-repeat center #fff;
}
.float-right-box .top-list .ico7 {
    background: url(../images/ico_69.png) no-repeat center #191919;
}
.float-right-box .top-list li:hover .ico7 {
    background: url(../images/ico_69_h.png) no-repeat center #fff;
}
.float-right-box.on {
    width: 50px;
}