/* Banner 区域 (future.html 专用) */
.weilai-banner {
    position: relative;
    height: 700px; /* 调整高度 */
    overflow: hidden;
}

.weilai-banner .banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/qjbanner.jpg');
    background-size: cover;
    background-position: center;
}

.weilai-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent; /* 去掉灰色遮罩，显示实际图片 */
    display: flex;
    align-items: flex-start; /* 顶部对齐 */
    justify-content: flex-start; /* 左侧对齐 */
    padding: 200px 0 0 10%; /* 增加顶部边距，使文字进一步下移 */
    z-index: 10;
}

.weilai-banner .banner-content {
    text-align: left; /* 文字居左 */
    width: 100%;
    position: relative;
    z-index: 20;
}

.weilai-banner .banner-title {
    color: #fff;
    font-size: 52px; /* 文字略微调小 (原 80px) */
    font-weight: 600;
    text-align: left;
    margin-bottom: 30px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5); /* 增加投影确保文字在浅色背景下也清晰 */
}

.weilai-banner .banner-btn-wrap {
    display: flex;
    justify-content: flex-start; /* 按钮居左 */
}

.weilai-banner .banner-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 35px;
    background: #0051a8; /* 使用品牌蓝 */
    border: 1px solid #0051a8;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 15px;
    font-weight: 500;
}

.weilai-banner .banner-btn:hover {
    background: #fff;
    color: #0051a8;
    border-color: #fff;
}

.banner-btn .btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.weilai-banner .banner-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* 响应式适配 */
@media (max-width: 1200px) {
    .weilai-banner {
        height: 500px;
    }
    
    .weilai-banner .banner-overlay {
        padding: 150px 0 0 5%;
    }

    .weilai-banner .banner-title {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .weilai-banner {
        height: 400px;
    }

    .weilai-banner .banner-overlay {
        padding: 0;
        align-items: center;
        justify-content: center;
        background: rgba(0, 0, 0, 0.2); /* 移动端增加遮罩确保文字清晰 */
    }

    .weilai-banner .banner-content {
        text-align: center;
        padding: 0 20px;
    }

    .weilai-banner .banner-title {
        font-size: 28px;
        text-align: center;
        margin-bottom: 25px;
        letter-spacing: 1px;
        white-space: normal; /* 移动端允许换行 */
    }

    .weilai-banner .banner-btn-wrap {
        justify-content: center;
    }

    /* 产品网格在移动端调整 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
        padding: 0 10px;
    }

    .product-card {
        padding: 20px 15px !important;
    }

    .product-img {
        width: 100px !important;
        height: 100px !important;
        margin-bottom: 15px !important;
    }

    .product-title {
        font-size: 16px !important;
    }

    .product-desc {
        font-size: 12px !important;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 市场前景标题 */
    .section-heading, .market-heading {
        font-size: 24px !important;
        margin-bottom: 30px !important;
    }

    .market-section {
        padding: 40px 0 !important;
    }

    .market-chart {
        height: 250px !important;
        margin-bottom: 15px !important;
    }

    .market-title {
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    .weilai-banner {
        height: 300px;
    }

    .weilai-banner .banner-title {
        font-size: 24px;
    }

    .products-grid {
        grid-template-columns: 1fr !important;
    }

    .product-img {
        width: 120px !important;
        height: 120px !important;
    }
}

/* 页脚备案图标 */
.beian-icon {
    width: 16px;
    height: 16px;
    margin-right: 4px;
    vertical-align: middle;
}