/* --- 列表项通用样式 --- */

.section-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 50px 0;
    position: relative;
}


/* 分割线 (除了最后一个) */

.section-item:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #dfdfdf;
}


/* 文本区域 */

.text-block {
    flex: 1;
    padding-right: 40px;
    z-index: 2;
    /* 保证文字在装饰圆之上 */
}


/* 图片区域 */

.image-block {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}


/* --- 排版细节 --- */

.icon-wrapper {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-wrapper svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: #333;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.section-item h2 {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 4px;
    letter-spacing: 1px;
    color:#02609e;
}

.subtitle {
    font-size: 16px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.tag {
    font-size: 16px;
    color: #02609e;
}


/* --- 图片与装饰 --- */

.card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 24px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}


/* 偶数行（第2、4个）图片在左，文字在右 */

.section-item.reverse {
    flex-direction: row-reverse;
}

.section-item.reverse .text-block {
    padding-right: 0;
    padding-left: 40px;
}

.yylyimg img {
    display: block;
    width: 100%;
}

.page-header {
    background-color: #f5f9fe;
    padding: 25px 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.header-icon {
    width: 48px;
    height: 48px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.header-icon svg {
    width: 28px;
    height: 28px;
    fill: #333;
}

.header-text h1 {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 2px;
    letter-spacing: 1px;
    margin-right: 10px;
}

.header-text span {
    font-size: 16px;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}


/* --- 网格布局 --- */

.grid-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 默认两列 */
    gap: 40px;
    margin-bottom: 60px;
}


/* --- 卡片样式 --- */

.product-card {
    background-color: #f5f9fe;
    border-radius: 12px;
    padding: 40px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    /* 裁剪装饰圆 */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 260px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px 0 rgba(0, 0, 0, 0.08);
}


/* 背景装饰圆圈 */

.product-card::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 60%;
    /* 圆心位置偏左，配合图片 */
    transform: translate(-50%, -50%);
    width: 130px;
    height: 130px;
    background: linear-gradient(to bottom, #ebf2fc, #ebf2fc, #f2f7fd);
    border-radius: 50%;
    z-index: 0;
}


/* 左侧图片区域 */

.card-image {
    flex: 0 0 40%;
    /* 占据宽度的40% */
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-right: 20px;
}

.card-image img {
    max-width: 100%;
    max-height: 160px;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
    /* 给产品图加一点投影增加立体感 */
}


/* 右侧文字区域 */

.card-content {
    flex: 1;
    z-index: 1;
    padding-left: 10px;
}
.card-content .more{
    font-size: 16px;
    color: #02609e;
    line-height: 26px;
}
.card-title {
    font-size: 20px;
    font-weight: 700;
    color: #02609e;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 14px;
    color: #999999;
    text-transform: uppercase;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    display: block;
}

.card-desc {
    font-size: 16px;
    color: #666666;
    line-height: 1.7;
    text-align: justify;
    /* 两端对齐让大段文字更整齐 */
}
.about05 {
    background: url(../images/newabout_15.jpg) no-repeat center;
    height: 334px;
    text-align: center;
}

.about05 .t1 {
    font-size: 36px;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 44, 108, 0.15);
}

@media only screen and (min-width: 1200px) and (max-width: 1600px) {
    .image-block img {
        width: 500px;
    }
}


/* --- 响应式调整 --- */

@media only screen and (min-width: 320px) and (max-width: 1200px) {
    .section-item,
    .section-item.reverse {
        flex-direction: column;
        text-align: center;
    }
    .text-block {
        padding: 0 0 30px 0 !important;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .tags {
        justify-content: center;
    }
    .image-block {
        width: 100%;
    }
    .deco-circle {
        width: 120px;
        height: 120px;
    }
    .section-item h2 {
        font-size: .3rem;
    }
    .subtitle {
        font-size: .2rem;
        margin-bottom: .24rem;
    }
    .tag {
        font-size: .24rem;
    }
    .grid-layout {
        grid-template-columns: 1fr;
        /* 小屏幕变单列 */
    }
    .product-card {
        flex-direction: column;
        text-align: center;
        padding: .3rem;
        min-height: auto;
    }
    .product-card::before {
        top: 40%;
        left: 50%;
        width: 180px;
        height: 180px;
    }
    .card-image {
        margin-bottom: 20px;
        padding-right: 0;
    }
    .card-content {
        padding-left: 0;
    }
    .header-text h1 {
        font-size: .3rem;
    }
    .header-text span {
        font-size: .2rem;
    }
    .header-icon {
        width: .5rem;
        height: .5rem;
    }
    .page-header {
        margin-bottom: .3rem;
    }
    .card-title {
        font-size: .3rem;
    }
    .card-subtitle {
        font-size: .2rem;
        text-align: left;
    }
    .card-desc {
        font-size: .24rem;
    }
    
}