/*dede58.com 鍋氭渶濂界殑缁囨ⅵ鏁寸珯妯℃澘涓嬭浇缃戠珯*/
/*nav*/
.nav {
    position: absolute;
    right: 20%;
    z-index: 11;
}

.sy1_ul {
}

.sy1_li a {
    padding: 40px 7px 20px 7px;
    margin: 0 30px;
    display: block;
    font-size: 16px;
    color: #FFF;
}

.sy1_ul li {
    float: left;
}

.sy2_ul {
    position: absolute;
    left: -22%;
    z-index: 1112;
    display: none;
    background: rgba(0, 0, 0, 0.9);
    width: 145%;
    padding: 5%;
}

.sy2_li_1 {
    display: inline-block;
    width: 100%;
}

    .sy2_li_1 dt {
        font-size: 16px;
        color: #fff;
        font-weight: bold;
        padding: 20px 0;
    }

    .sy2_li_1 dd {
        width: 33%;
        float: left;
    }

        .sy2_li_1 dd a {
            display: block;
            font-size: 14px;
            padding: 10px;
            margin: 5px 0;
            border-left: 1px solid #ff3300;
        }

            .sy2_li_1 dd a:hover {
                background: #333;
            }

    .sy2_li_1 .service_btn dd a {
        padding-left: 50px;
        border: none;
        background: url("../images/menu_service_icon.png") /*tpa=http://XXX/src/images/menu_service_icon.png*/ no-repeat;
    }

        .sy2_li_1 .service_btn dd a.icon1 {
            background-position: 0 0;
        }

        .sy2_li_1 .service_btn dd a.icon2 {
            background-position: 0 -40px;
        }

        .sy2_li_1 .service_btn dd a.icon3 {
            background-position: 0 -80px;
        }

        .sy2_li_1 .service_btn dd a.icon4 {
            background-position: 0 -120px;
        }

        .sy2_li_1 .service_btn dd a.icon5 {
            background-position: 0 -160px;
        }

        .sy2_li_1 .service_btn dd a.icon6 {
            background-position: 0 -200px;
        }

        .sy2_li_1 .service_btn dd a:hover {
            background-color: #333;
        }

    .sy2_li_1 .project_btn dd a {
        border: none;
        background-color: #eee;
        padding: 20px 0 20px 30px;
        color: #000;
        font-size: 16px;
        margin: 5px;
    }

        .sy2_li_1 .project_btn dd a img {
            height: 30px;
            margin-right: 30px;
        }

        .sy2_li_1 .project_btn dd a:hover {
            background-color: #99ffcc;
        }

.sy2_li_2 {
    width: 25%;
    float: left;
}

    .sy2_li_2 a {
        display: block;
        margin: 10px;
        overflow: hidden;
        text-align: center;
        border: 1px solid #222;
        border-bottom: 1px solid #ff3300;
    }

        .sy2_li_2 a.bg1 {
            background: url("/Content/images/index1.jpg") /*tpa=http://XXX/src/images/case_icon_1.png*/ center 30px no-repeat;
        }

        .sy2_li_2 a.bg2 {
            background: url("/Content/images/index2.jpg") /*tpa=http://XXX/src/images/case_icon_2.png*/ center 30px no-repeat;
        }

        .sy2_li_2 a.bg3 {
            background: url("/Content/images/index3.jpg") /*tpa=http://XXX/src/images/case_icon_1.png*/ center 30px no-repeat;
        }

        .sy2_li_2 a.bg4 {
            background: url("/Content/images/index4.jpg") /*tpa=http://XXX/src/images/case_icon_2.png*/ center 30px no-repeat;
        }

        .sy2_li_2 a h3 {
            padding: 130px 0 20px 0;
            font-size: 16px;
            letter-spacing: 12px;
            font-weight: 100;
        }

        .sy2_li_2 a p {
            font-size: 12px;
        }

        .sy2_li_2 a:hover {
            background-color: #ff3300;
            border-color: #ff3300;
        }

.sy2_li_3, .sy2_li_3_2 {
    float: left;
}

.sy2_li_3 {
    width: 20%;
}

    .sy2_li_3 a {
        font-size: 14px;
        padding: 7px 0;
        margin: 3% 10% 3% 0;
        background-color: #333;
        text-align: center;
    }

        .sy2_li_3 a:hover {
            background-color: orange;
            color: #000;
        }

.sy2_li_3_2 {
    width: 80%;
}

    .sy2_li_3_2 h3 a {
        font-size: 22px;
        line-height: 150%;
        margin: 5px 0 20px 20px;
        padding: 0;
        font-weight: 500;
    }

    .sy2_li_3_2 h3::after {
        display: block;
        width: 50px;
        margin: 0 0 20px 20px;
        border-bottom: 2px solid #666;
        content: '';
    }

    .sy2_li_3_2 p {
        color: #ddd;
        margin: 5px 0 10px 20px;
        font-style: italic;
    }

    .sy2_li_3_2 a.enter {
        display: block;
        width: 100px;
        padding: 10px 0;
        text-align: center;
        font-size: 26px;
        margin: 25px 0 20px 20px;
        background-color: #333;
        color: #fff;
        border-left: 1px solid #ff3300;
    }

    .sy2_li_3_2 a:hover.enter {
        background-color: #ff3300;
    }

    .sy2_li_3_2 div {
        color: orange;
        font-size: 14px;
        font-weight: bold;
        margin: 5px 0 10px 20px;
        float: right;
        text-align: center;
    }

        .sy2_li_3_2 div span {
            font-size: 100px;
            line-height: 120%;
            display: block;
        }

.sy2_li_4 {
    clear: both;
    width: 100%;
}

    .sy2_li_4 ul {
        padding: 30px 0;
        overflow: hidden;
    }

        .sy2_li_4 ul li {
            width: 33%;
            text-align: center;
            color: #fff;
        }

            .sy2_li_4 ul li h4 {
                font-size: 14px;
                font-weight: 100;
                padding: 20px 0;
            }

            .sy2_li_4 ul li p {
                font-size: 16px;
                font-weight: 500;
                line-height: 150%;
                color: orange;
            }

    .sy2_li_4 a {
        display: block;
        width: 18%;
        padding: 10px 0;
        margin: 0 1%;
        text-align: center;
        float: left;
        background: #333;
        font-size: 14px;
    }

        .sy2_li_4 a:hover {
            background-color: orange;
            color: #000;
        }

.sy1_li_bg {
    background: rgba(0, 0, 0, 0.9);
    border-top: 4px solid #99ffcc;
}
/*榧犳爣缁忚繃鏍峰紡*/