* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.sec-title {
    text-align: center;
    font-size: 28px;
    margin: 40px 0 30px;
    color: #224088;
}

/* banner */
.banner-wrap {
    width: 100%;
    overflow: hidden;
}

.banner-slider {
    width: 100%;
}

.slide-item {
    width: 100%;
    position: relative;
}

    .slide-item img {
        width: 100%;
        display: block;
        object-fit: cover;
    }

.banner-text {
    position: absolute;
    top: 20%;
    left: 5%;
    color: #fff;
}

    .banner-text h2 {
        font-size: 42px;
        margin-bottom: 12px;
    }

/* Hot Category */
.category-section {
    padding: 20px 0 50px;
}

.category-list {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px;
}

.category-item {
    text-align: center;
}

.cat-img {
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #ccc;
    margin-bottom: 12px;
}

    .cat-img img {
        width: 100%;
        display: block;
    }

.view-more {
    font-size: 13px;
    color: #0066cc;
}

/* factory info */
.factory-section {
    background: #f7f8fa;
    padding: 40px 0;
}

.factory-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.factory-img img {
    width: 100%;
}

/* production process */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.process-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* exhibition */
.exhibition-section {
    background: #f7f8fa;
    padding: 40px 0;
}

.exhi-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.exhi-item img {
    width: 100%;
}

/* advantage */
.advantage-section {
    padding: 50px 0;
}

.adv-list {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}

.adv-item {
    text-align: center;
    padding: 20px;
    border: 1px solid #ddd;
}

.adv-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

/* footer */
.site-footer {
    background: #1a2440;
    color: #fff;
    text-align: center;
    padding: 30px 0;
}

    .site-footer p {
        margin: 6px 0;
        font-size: 14px;
    }
.afontcolor {
    color: #fff;
    text-decoration: none;
}
.afontcolor:hover {
    text-decoration: underline; /* 悬停时显示下划线 */
    color: #007bff; /* 同时改变颜色 */
}

/* 移动端适配 */
@media(max-width:768px) {
    .category-list {
        grid-template-columns: repeat(2,1fr);
    }

    .factory-row {
        grid-template-columns: 1fr;
    }

    .process-grid {
        grid-template-columns: repeat(2,1fr);
    }

    .exhi-grid {
        grid-template-columns: 1fr;
    }

    .adv-list {
        grid-template-columns: 1fr;
    }

    .banner-text h2 {
        font-size: 24px;
    }
}