/* 产品详情页专用样式 */
.product-detail-hero {
    background: linear-gradient(rgba(46, 125, 50, 0.7), rgba(46, 125, 50, 0.7)), url('product1.jpg') center/cover no-repeat;
    color: #fff;
    padding: 130px 0 40px 0;
    text-align: center;
    position: relative;
    padding-bottom: 40px;
}
body {
    background-color: #eaf5d9;
}
.product-detail-hero h1 {
    font-size: 40px;
    margin-bottom: 18px;
    letter-spacing: 2px;
    font-weight: 700;
}

.product-detail-hero p {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto 24px;
    line-height: 1.8;
}

.product-selling-points {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 10px;
    font-size: 18px;
    font-weight: 500;
    opacity: 0.95;
}

.product-selling-points span {
    background: rgba(255, 255, 255, 0.13);
    border-radius: 20px;
    padding: 6px 18px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.08);
}

.product-detail-main {
    display: flex;
    gap: 40px;
    max-width: 1100px;
    margin: 40px auto 40px auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(46, 125, 50, 0.13);
    padding: 48px 40px 40px 40px;
    position: relative;
    z-index: 2;
}

.product-detail-img {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-detail-img img {
    width: 100%;
    max-width: 370px;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(46, 125, 50, 0.10);
    background: #f8faf7;
    padding: 8px;
}

.product-detail-info {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-detail-info h2 {
    color: var(--primary-color);
    font-size: 30px;
    margin-bottom: 18px;
    font-weight: 700;
}

.product-detail-info p {
    color: #444;
    font-size: 17px;
    margin-bottom: 22px;
    line-height: 1.9;
}


.product-applications {
    margin-bottom: 22px;
}

.product-applications h3 {
    color: var(--accent-color);
    font-size: 19px;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-applications ul {
    padding-left: 22px;
    color: #666;
    font-size: 16px;
    line-height: 2;
}

.back-btn {
    display: inline-block;
    margin-top: 24px;
    padding: 14px 38px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    letter-spacing: 1px;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.10);
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.back-btn:hover {
    background: linear-gradient(90deg, #1b5e20, #43a047);
    box-shadow: 0 6px 18px rgba(46,125,50,0.13);
    transform: translateY(-2px) scale(1.04);
}

@media (max-width: 900px) {
    .product-detail-main {
        flex-direction: column;
        padding: 20px 8px 28px 8px;
    }

    .product-detail-img img {
        max-width: 100%;
    }

    .product-detail-info h2 {
        font-size: 24px;
    }
}