/* 联系我们中间主体容器 — mobile-first 统一断点 */

/* ===== Base（手机端 ≤768px）===== */
.contact-section {
    width: 98%;
    margin: 0 auto 20px;
    gap: 14px;
    display: grid;
    grid-template-columns: 1fr;
}

.contact-card-top {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    padding: 16px;
}

.card-text h4 {
    font-size: 16px;
    color: #222;
    margin-bottom: 12px;
}

.card-text p {
    font-size: 13px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.info-row {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

.info-row > div {
    display: flex;
    align-items: baseline;
    line-height: 1.6;
}

.info-row h4 {
    flex-shrink: 0;
    margin: 0;
    font-size: 15px;
    font-weight: bold;
    color: #222;
    white-space: nowrap;
    margin-right: 10px;
}

/* 下方三栏业务卡片区域 */
.contact-service-row {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    padding: 20px 16px;
    text-align: center;
}

.service-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
}

.service-card h4 {
    font-size: 17px;
    color: #222;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 12px;
    color: #666;
    line-height: 1.7;
}

/* 电话号码底色样式 */
.tel-bg {
    display: inline-block;
    background: #e8f4ff;
    color: #0066cc;
    padding: 2px 8px;
    border-radius: 4px;
    margin: 0 4px 4px 0;
}

/* ===== 平板增强（≥769px）：联系卡 2列 / 服务卡 2列 ===== */
@media (min-width:769px) {
    .contact-section {
        width: 94%;
        gap: 20px;
        margin-bottom: 24px;
        grid-template-columns: 1fr 1fr;
    }

    .contact-card-top {
        padding: 20px;
    }

    .card-text h4 {
        font-size: 17px;
        margin-bottom: 14px;
    }

    .card-text p {
        font-size: 14px;
        margin-bottom: 18px;
    }

    .info-row {
        font-size: 14px;
        line-height: 1.7;
    }

    .info-row > div {
        line-height: 1.7;
    }

    .info-row h4 {
        font-size: 16px;
        margin-right: 12px;
    }

    .contact-service-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .service-card {
        padding: 26px 20px;
    }

    .service-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 14px;
    }

    .service-card h4 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .service-card p {
        font-size: 13px;
    }
}

/* ===== 桌面（≥993px）：服务卡 3列 ===== */
@media (min-width:993px) {
    .contact-section {
        gap: 30px;
        margin-bottom: 30px;
    }

    .contact-card-top {
        padding: 20px;
    }

    .card-text h4 {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .card-text p {
        font-size: 14px;
        margin-bottom: 22px;
    }

    .info-row {
        font-size: 14px;
        line-height: 1.7;
    }

    .info-row h4 {
        font-size: 17px;
    }

    .contact-service-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .service-card {
        padding: 32px;
    }

    .service-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 16px;
    }

    .service-card h4 {
        font-size: 20px;
        margin-bottom: 14px;
    }

    .service-card p {
        font-size: 13px;
        line-height: 1.8;
    }
}