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

body {
    background: #f7f9fc;

}

.prod-detail {
    padding: 40px 0;
    background: #f7f9fc;
}

.prod-inner {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    display: flex;
    gap: 40px;
}

.prod-left {
    flex: 1;
}

.prod-img {
    width: 100%;
    border-radius: 12px;
}

.prod-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.prod-title {
    font-size: 2rem;
    font-weight: 700;
    color: #111;
    margin: 0 0 10px;
}

.prod-subtitle {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 20px;
}

.price-label {
    font-size: .9rem;
    color: #666;
    margin-right: 10px;
}

.price-num {
    font-size: 1.8rem;
    font-weight: 700;
    color: #e60012;
}

.price-tip {
    font-size: .8rem;
    color: #999;
    margin-left: 10px;
}

.prod-num {
    margin-bottom: 10px;
}

.num-label {
    font-size: 0.9rem;
    color: #666;
}

.num-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: #e60012;
}

.num-tip {
    font-size: .8rem;
    color: #999;
    margin-left: 2px;
}
.prod-params {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    line-height: 1.8;
}

.prod-params li {
    position: relative;
    padding-left: 16px;
    color: #444;
}

.prod-params li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #3498db;
    border-radius: 50%;
}

.prod-btns {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: 999px;
    font-weight: 500;
    text-decoration: none;
    transition: all .3s;
}

.btn-primary {
    background: #3498db;
    color: #fff;
    box-shadow: 0 4px 14px rgba(52, 152, 219, .4);
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #fff;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-secondary:hover {
    background: #f0f7ff;
}

/* 产品简介 */
.prod-intro {
    margin-top: 60px;
}

.intro-inner {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.intro-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: #111;
    margin-bottom: 20px;
}

.intro-txt {
    font-size: 1rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 15px;
}

.intro-txt strong {
    color: #3498db;
}

/* 产品功能样式 - 已优化 */
.prod-features {
    padding: 50px 0;
}

.features-inner {
    max-width: 1280px;
    width: 90%;
    margin: 0 auto;
    text-align: center;
}

.features-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 40px;
    /* 增加底部间距 */
}

.features-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 80px;
    /* 增加间距 */
    justify-content: center;
}

.features-list li {
    flex: 0 0 calc(20% - 40px);
    max-width: calc(20% - 40px);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.3s;
}

.features-list li:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    /* 增大图标尺寸 */
    height: 80px;
    margin-bottom: 20px;
    /* 增加图标与文字间距 */
    border-radius: 8px;
    object-fit: cover;
}

.features-list p {
    font-size: 1.1rem;
    /* 增大文字尺寸 */
    font-weight: 500;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

/* 轮播图样式 */
.s-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.s-carousel-inner {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.s-carousel-item {
    min-width: 100%;
    box-sizing: border-box;
    display: none;
}

.s-carousel-item.active {
    display: block;
}

.s-prev,
.s-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

.s-next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.s-prev:hover,
.s-next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.product-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.product-section-title {
    margin: 50px 0;
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #111;
}

.scenarios-title {
    margin: 50px 0;
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #111;
}

.image-gallery {
    width: 85%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;

}

.image-gallery img {
    width: 750px;
    display: block;

}

.application-scenarios {

    background: #f7f9fc;
    text-align: center;
}


.scenarios-inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    margin-bottom: 30px;

}

.scenario-item {
    position: relative;
    background: #fff;
    border-radius: 12px;
    width: calc(25% - 20px);
    box-sizing: border-box;
    overflow: hidden;
}

.scenario-item img {
    width: 100%;
    border-radius: 8px;
    height: 300px;
}

.scenario-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    color: #ffffff;
    font-size: 0.9rem;
    line-height: 1.4;
    transform: none;
}

.scenario-item h3 {
    color: rgb(255, 255, 255);
    ;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.scenario-item p {
    color: #ffffff;
    margin: 0;
}

.scenario-item a {
    display: block;
    text-decoration: none;
    color: #3498db;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.scenario-item .last {
    width: 100%;
    height: 300px;
    background: #5582E9;
}

.more-imgbox {
    width: 60px;
    height: 60px;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #dadada;

}

.more-imgbox img {
    width: 30px;
    height: 30px;


}

.more-title {
    font-weight: bolder;
    font-size: 1.2rem;
    color: #fff;
    margin-top: 10px;
}

.more-text {
    color: #fff;
    font-weight: 300;
    margin-top: 10px;

}

/* ===== 面包屑导航 ===== */
.breadcrumb-nav {
    width: 100%;
    background: #f7f9fc;
    position: relative;
    z-index: 10;
}

.breadcrumb-inner {
    max-width: 1350px;
    /* 与分割线、底部文字同一 max-width */
    margin: 130px auto 0;
    /* 居中，上下留白 50px */
    padding: 0 5%;
    /* 关键：百分比留白 → 随页面等比例变化 */
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: #000;
    /* 未选中项为黑色 */
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item:hover,
.breadcrumb-item:focus {
    color: #1a73e8;
    /* 移入时变为蓝色 */
    outline: none;
    text-decoration: none;
}

.breadcrumb-current {
    text-decoration: none;
    color: #1a73e8;
    font-weight: 500;
    white-space: nowrap;
}

.breadcrumb-separator {
    color: #999;
    user-select: none;
    line-height: 1;
}

@media (max-width: 768px) {

    /* --- 面包屑 --- */
    .breadcrumb-inner {
        margin-top: 20px;
        padding: 0 15px;
        width: 80%;
        font-size: 1rem;
    }

    /* --- 产品详情页 --- */
    .prod-detail {
        padding: 20px 0;
    }

    .prod-inner {
        flex-direction: column;
        gap: 25px;
    }

    .prod-left,
    .prod-right {
        flex: none;
        width: 100%;
        padding: 0 15px;
    }

    /* 文字左对齐更易读 */
    .prod-title {
        font-size: 1.6rem;
        text-align: left;
    }

    .prod-subtitle {
        font-size: 1rem;
        text-align: left;
    }

    .prod-price {
        text-align: left;
        margin-bottom: 20px;
    }

    .price-num {
        font-size: 1.5rem;
    }

    /* 按钮整宽 */
    .prod-btns {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .btn-primary {
        width: 100%;
        max-width: none;
    }

    /* --- 轮播图修复 --- */
    .s-carousel {
        overflow: hidden;
    }

    .s-carousel-inner {
        display: flex;
        width: 100%;
    }

    .s-carousel-item {
        min-width: 100%;
        display: block;
    }

    .s-carousel-item img {
        width: 100%;
        border-radius: 0;
    }

    /* 左右箭头隐藏（可手势滑动） */
    .s-prev,
    .s-next {
        display: block;
        padding: 12px;
        font-size: 16px;
        border-radius: 50%;
        top: 50%;
        transform: translateY(-50%);
    }

    .s-prev {
        left: 10px;
    }

    .s-next {
        right: 10px;
    }

    /* --- 产品简介 --- */
    .intro-inner {
        width: 95%;
        padding: 25px;
    }

    .intro-title {
        font-size: 1.4rem;
        text-align: center;
    }

    .intro-txt {
        font-size: 0.95rem;
    }

    /* --- 产品细节图 --- */
    .image-gallery {
        width: 100%;
    }

    .image-gallery img {
        width: 100%;
        max-width: 750px;
        margin: 0 auto 10px;
    }

    /* --- 应用场景 --- */
    .scenarios-inner {
        gap: 15px;
    }

    .scenario-item {
        width: calc(50% - 8px);
        height: 250px;
    }

    .scenario-item img {
        height: 250px;
    }

    .scenario-text {
        padding: 8px;
        font-size: 0.85rem;
    }

    .scenario-item h3 {
        font-size: 1.1rem;
    }

    .scenario-item .last {
        height: 250px;
    }

    /* --- 功能图标列表 --- */
    .features-list {
        flex-direction: column;
        gap: 30px;
    }

    .features-list li {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .features-list p {
        font-size: 1rem;
    }
}

/* ===== 超小屏再压紧 ===== */
@media (max-width: 480px) {
    .prod-title {
        font-size: 1.4rem;
    }

    .prod-subtitle {
        font-size: 0.95rem;
    }

    .price-num {
        font-size: 1.3rem;
    }

    .intro-inner {
        padding: 20px;
        width: 98%;
    }

    .scenario-item {
        width: 100%;
        height: 200px;
    }

    .scenario-item img {
        height: 200px;
    }

    .more-imgbox {
        width: 45px;
        height: 45px;
    }

    .more-imgbox img {
        width: 20px;
        height: 20px;
    }
}

/* ===== 平板 769-1024 ===== */
@media (min-width: 769px) and (max-width: 1024px) {
    .scenario-item {
        width: calc(33.333% - 15px);
    }

    .features-list li {
        flex: 0 0 calc(33.333% - 40px);
        max-width: calc(33.333% - 40px);
    }
}