/* 绿建工具箱 - 精品推荐下方新增区块 */
.gb-tools-section {
    background-color: #eef7ef;
    padding: 45px 0 50px;
    margin-top: 20px;
}
.gb-tools-section .wrapper {
    width: 1200px;
    margin: 0 auto;
}
.gb-tools-section .section-header {
    text-align: center;
    margin-bottom: 28px;
}
.gb-tools-section .section-header .title {
    font-size: 26px;
    color: #333;
    font-weight: normal;
    line-height: 1.4;
    margin: 0 0 8px;
}
.gb-tools-section .section-header .subtitle {
    font-size: 14px;
    color: #888;
}
.gb-tools-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -10px;
}
.gb-tools-card {
    box-sizing: border-box;
    width: calc(33.333% - 20px);
    margin: 0 10px 20px;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}
.gb-tools-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.gb-tools-card .card-top {
    height: 4px;
}
.gb-tools-card.leed .card-top { background: #4caf50; }
.gb-tools-card.gbstandard .card-top { background: #ff9800; }
.gb-tools-card.well .card-top { background: #2196f3; }
.gb-tools-card.leedap .card-top { background: #9c27b0; }
.gb-tools-card.wellap .card-top { background: #009688; }
.gb-tools-card.others .card-top { background: #795548; }
.gb-tools-card .card-body {
    display: flex;
    align-items: center;
    padding: 22px 20px;
}
.gb-tools-card .card-icon {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    margin-right: 16px;
}
.gb-tools-card .card-icon svg,
.gb-tools-card .card-icon img {
    display: block;
    width: 100%;
    height: 100%;
}
.gb-tools-card .card-info {
    flex: 1;
    min-width: 0;
}
.gb-tools-card .card-title {
    font-size: 17px;
    color: #333;
    margin: 0 0 6px;
    font-weight: bold;
    line-height: 1.4;
}
.gb-tools-card .card-desc {
    font-size: 13px;
    color: #999;
    line-height: 1.5;
    margin: 0 0 8px;
}
.gb-tools-card .card-meta {
    font-size: 12px;
    color: #bbb;
}
.gb-tools-section .section-footer {
    text-align: center;
    margin-top: 10px;
}
.gb-tools-section .btn-view-all {
    display: inline-block;
    background: #43a047;
    color: #fff;
    font-size: 15px;
    padding: 10px 36px;
    border-radius: 24px;
    text-decoration: none;
    transition: background 0.2s;
}
.gb-tools-section .btn-view-all:hover {
    background: #388e3c;
}
@media (max-width: 1230px) {
    .gb-tools-section .wrapper { width: auto; padding: 0 15px; }
}
@media (max-width: 960px) {
    .gb-tools-card { width: calc(50% - 20px); }
}
@media (max-width: 640px) {
    .gb-tools-grid { margin: 0; }
    .gb-tools-card { width: 100%; margin: 0 0 15px; }
    .gb-tools-section { padding: 30px 0; }
}