.downstyle2 {
    margin: 10px auto;
    border: 1px solid #cedebd;
    background: #fdfefb;
    height: 44px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    padding: 10px;
    overflow: hidden
}

.downstyle2 .img {
    background-position: 0 0 !important
}

.downstyle2 .pdf {
    background-position: -40px 0 !important
}

.downstyle2 .doc {
    background-position: -80px 0 !important
}

.downstyle2 .xls {
    background-position: -120px 0 !important
}

.downstyle2 .txt {
    background-position: -160px 0 !important
}

.downstyle2 .audio {
    background-position: -200px 0 !important
}

.downstyle2 .video {
    background-position: -240px 0 !important
}

.downstyle2 .ppt {
    background-position: -280px 0 !important
}

.downstyle2 .exe {
    background-position: -360px 0 !important
}

.downstyle2 .apk {
    background-position: -520px 0 !important
}

.downstyle2 .bt {
    background-position: -440px 0 !important
}

.downstyle2 .fileico {
    width: 35px;
    height: 44px;
    background: url(../image/fileico.png) -400px 0;
    float: left
}

.downstyle2 .filecont {
    float: left;
    padding: 0 0 0 10px;
    text-indent: 0 !important
}

.downstyle2 .filecont .filetit {
    height: 27px;
    font-size: 14px;
    line-height: 25px;
    letter-spacing: 1px;
    font-family: "Microsoft Yahei"
}

.downstyle2 .filecont .filetit span {
    font-size: 12px;
    color: #999;
    margin-left: 10px;
    float: left;
    font-family: arial;
    letter-spacing: 0
}

.downstyle2 .filecont .filetit a {
    color: #666;
    text-decoration: none;
    display: block;
    max-width: 290px;
    overflow: hidden;
    white-space: nowrap;
    float: left;
    text-overflow: ellipsis
}

.downstyle2 .filecont .filetit a:hover {
    text-decoration: underline
}

.downstyle2 .filecont .fileaq {
    height: 15px;
    background: url(http://demo094.99yuanma.net:8889/skin/ecms094/css/images/xfileaq.png.mmtrix.ic.X7HCbSOQj_.png) no-repeat;
    padding-left: 18px;
    font-size: 12px;
    color: #73b010;
    letter-spacing: 0;
    line-height: 14px;
    font-family: arial
}

.downstyle2 .down_2 {
    float: right
}

.downstyle2 .down_2 a {
    width: 130px;
    height: 42px;
    display: block;
    background: url(../image/down_2.jpg) no-repeat -2px -1px;
    overflow: hidden
}

.downstyle2 .down_2 a:hover {
    background: url(../image/down_2.jpg) no-repeat -2px -46px
}
.chapter-btn {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    color: #ffffff !important;
    background-color: #d48b3b;
    border: 1px solid #ffffff;
    border-radius: 5px;
    transition: all 0.3s ease;
}
.chapter-btn:hover {
    background-color: #0056b3;
    border-color: #003d80;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.chapter-btn:active {
    background-color: #003d80;
    transform: translateY(1px);
}