* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    background-color: #f4f7f9;
    color: #333333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}
a {
    color: inherit;
    text-decoration: none;
}
.buildingcontainer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 15px;
}
.buildingheader {
    background: #ffffff;
    border-bottom: 2px solid #2980b9;
}
.buildingtopbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 65px;
}
.buildinglogo img {
    max-height: 42px;
    max-width: 100%;
    object-fit: contain;
}
.buildingsearchinput {
    height: 38px;
    width: 280px;
    padding: 0 12px;
    border: 2px solid #2980b9;
    border-radius: 4px 0 0 4px;
    outline: none;
    font-size: 13px;
}
.buildingsearchbtn {
    height: 38px;
    padding: 0 20px;
    background: #2980b9;
    color: #ffffff;
    border: none;
    font-weight: 700;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}
.buildingnavbar {
    background: #2980b9;
}
.buildingnav {
    display: flex;
    align-items: center;
}
.buildingnavlink {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    padding: 14px 18px;
    transition: background 0.2s;
}
.buildingnavlink:hover, .buildingnavlink.active {
    background: #1f618d;
}
.buildingnotice {
    background: #ffffff;
    border-left: 4px solid #2980b9;
    padding: 12px 18px;
    margin: 15px 0;
    border-radius: 4px;
    color: #555555;
    font-size: 13px;
    box-shadow: 0 2px 5px rgba(41,128,185,0.06);
}
.buildingtopgrid {
    display: grid;
    grid-template-columns: 200px 1fr 240px;
    gap: 15px;
    margin-bottom: 25px;
}
.buildingcatmenu {
    background: #ffffff;
    border: 1px solid #e1e8ed;
    border-radius: 6px;
    padding: 10px 0;
}
.buildingcatitem {
    display: block;
    padding: 8px 15px;
    font-size: 13px;
    color: #2c3e50;
    transition: all 0.2s;
}
.buildingcatitem:hover {
    background: #ebf5fb;
    color: #2980b9;
    padding-left: 20px;
}
.buildingheromain {
    background: #ffffff;
    border: 1px solid #e1e8ed;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.buildingheroimgbox {
    width: 100%;
    height: 200px;
    background: #ebf5fb;
    display: flex;
    align-items: center;
    justify-content: center;
}
.buildingheroimg {
    max-height: 160px;
    max-width: 85%;
    object-fit: contain;
}
.buildingsubcards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 10px;
    background: #ffffff;
    border-top: 1px solid #e1e8ed;
}
.buildingsubcard {
    background: #f8f9fa;
    border: 1px solid #e1e8ed;
    border-radius: 4px;
    padding: 8px;
    text-align: center;
}
.buildingbox {
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid #e1e8ed;
    padding: 15px;
    margin-bottom: 20px;
}
.buildingboxtitle {
    font-size: 16px;
    font-weight: 700;
    color: #2980b9;
    padding-bottom: 8px;
    border-bottom: 2px solid #2980b9;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.buildinggrid5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 25px;
}
.buildingcard {
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid #e1e8ed;
    padding: 10px;
    text-align: center;
    transition: all 0.2s;
}
.buildingcard:hover {
    border-color: #2980b9;
    box-shadow: 0 4px 12px rgba(41,128,185,0.12);
}
.buildingcardimg {
    width: 100%;
    height: 75px;
    object-fit: contain;
    margin-bottom: 8px;
    display: block;
}
.buildingcardtitle {
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}
.buildingprice {
    color: #e74c3c;
    font-weight: 700;
}
.buildingautotag {
    font-size: 10px;
    background: #ebf5fb;
    color: #2980b9;
    padding: 1px 5px;
    border-radius: 3px;
}
.buildingfooter {
    background: #1f2a38;
    color: #888888;
    padding: 30px 0;
    margin-top: 40px;
    text-align: center;
    font-size: 13px;
}
.buildingfooterlinks {
    margin-bottom: 10px;
}
.buildingfooterlinks a {
    color: #cccccc;
}
.buildingcardbox {
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid #e1e8ed;
    padding: 25px;
    margin-bottom: 20px;
}
.buildingformgroup {
    margin-bottom: 15px;
}
.buildinglabel {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #333333;
}
.buildinginput {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    outline: none;
}
.buildingbtn {
    display: inline-block;
    width: 100%;
    height: 42px;
    line-height: 42px;
    text-align: center;
    background: #2980b9;
    color: #ffffff;
    border-radius: 4px;
    font-weight: 600;
    border: none;
    cursor: pointer;
}
.buildingtabs {
    display: flex;
    border-bottom: 2px solid #eeeeee;
    margin-bottom: 20px;
}
.buildingtabitem {
    padding: 10px 20px;
    font-weight: 600;
    color: #666666;
}
.buildingtabitem.active {
    color: #2980b9;
    border-bottom: 2px solid #2980b9;
    margin-bottom: -2px;
}
@media (max-width: 992px) {
    .buildingtopgrid {
        grid-template-columns: 1fr;
    }
    .buildinggrid5 {
        grid-template-columns: repeat(2, 1fr);
    }
}