/* ===== 顶部大图（关于我们） ===== */
.about-hero {
    background-image: url("../data/text.png"); /* 上方大图占位 */
    background-size: cover;
    background-position: center;
    height: 360px;
    margin-top: 64px;
    position: relative;
}
.about-hero .sub-hero-overlay {
    background: rgba(0, 0, 0, 0.35);
}

/* ===== 走进掘能 ===== */
.about-video {
    text-align: center;
    margin-top: 60px;
}
.about-video-wrapper {
    width: 70%;
    margin: 0 auto;
    position: relative;
}
.about-video-img {
    width: 100%;
    border-radius: 10px;
}
.about-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255,255,255,0.7);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    font-size: 34px;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== 项目介绍 ===== */
.about-project-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}
.about-project-title {
    font-size: 32px;
    margin-bottom: 12px;
}
.about-project-sub {
    font-size: 20px;
    color: #15803d;
    margin-bottom: 14px;
}
.about-project-text p {
    line-height: 1.9;
    margin-bottom: 12px;
}
.about-project-img img {
    width: 100%;
    border-radius: 10px;
}

/* ===== 核心产品 ===== */
.core-products {
    text-align: center;
    margin-top: 60px;
}
.core-product-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 40px;
    margin-top: 40px;
}
.core-product-item img {
    width: 100%;
    border-radius: 50%;
}

/* ===== 项目风光 ===== */
.gallery-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}
.gallery-grid img {
    width: 100%;
    border-radius: 10px;
    object-fit: cover;
}
/* ===== 全站图片鼠标滑过轻微放大 ===== */
.img-zoom {
    transition: transform 0.35s ease;
}

.img-zoom:hover {
    transform: scale(1.06);
}