/* 公共样式表css */
a {
    text-decoration: none;
    color: #000;
}

li {
    list-style: none;
}

.clearfix::after {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;
}

.clearfix {
}

/* 必要布局样式css */
.header-nav-list {
    float: left;
    width:100%;
}

    .header-nav-list ul {
        float: left;
    }

        .header-nav-list ul li {
            position: relative;
            display: block;
            float: left;
        }

            .header-nav-list ul li a {
                color: #333333;
                padding: 0px 15px;
                font-size: 18px;
                line-height: 28px;
                background: none;
                position: relative;
                display: block;
            }

                .header-nav-list ul li a:hover {
                    color: #FF5B24;
                }

.icon-dow {
    width: 13px;
    height: 13px;
    background-size: 13px;
    font-size: 12px;
    margin-left: 2px;
    position: relative;
    top: 0px;
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image: url('data:image/png;base64,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');
}

.aui-dow-box {
    position: absolute;
    top: 200%;
    left: 50%;
    width: 140px;
    padding: 30px 0;
    background-color: #ffffff;
    visibility: hidden;
    opacity: 0;
    filter: alpha(opacity=0);
    -ms-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    -webkit-box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.aui-about-dow {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    left: 0;
    top: 110%;
    width: 100px;
    padding: 8px 10px;
    background: #fff;
    border-radius: 2px;
    z-index: 99;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    -webkit-transition: all 0.25s ease-in-out;
    -moz-transition: all 0.25s ease-in-out;
    -o-transition: all 0.25s ease-in-out;
}

.drop-down:hover .aui-about-dow {
    top: 100%;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.25s ease-in-out;
    -moz-transition: all 0.25s ease-in-out;
    -o-transition: all 0.25s ease-in-out;
    filter: alpha(opacity=100);
}

.header-nav-list .aui-about-dow li a {
    padding: 0;
    line-height: inherit;
    display: block;
    padding: 8px 0 8px 15px;
    color: #313131;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #616161;
}

    .header-nav-list .aui-about-dow li a:hover {
        color: #FF5B24;
    }

.header-nav-list .aui-about-dow li {
    width: 100px;
}