/* Product Page CSS */

.product-banner {
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background-image: url('../image/banner_bg_new.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.product-banner .banner-title {
    position: relative;
    font-size: 80px;
    font-weight: 700;
    color: #fff;
    z-index: 1;
    margin: 0;
    font-style: italic;
}

.product-nav-breadcrumb {
    width: 100%;
    height: 130px;
    background: #fff;
    box-shadow: 0px 0px 24px 0px rgba(135, 135, 135, 0.29);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.breadcrumb-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.breadcrumb-icon {
    width: 30px;
    height: 30px;
}

.product-nav-breadcrumb .breadcrumb-text {
    font-size: 22px;
    font-weight: 700;
    color: #DF793D;
    line-height: 1;
}

.breadcrumb-content.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 241px;
    height: 5px;
    background: #DF793D;
    border-radius: 2.5px;
}

.product-detail-section {
    padding: 177px 0;
    background: #F7F8FB;
}

.product-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-section-label {
    font-size: 60px;
    font-weight: 700;
    color: #000;
    margin-bottom: 60px;
    line-height: 1;
    text-align: center;
}

.product-intro-card {
    background: #fff;
    padding: 50px 0 50px 60px;
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 60px;
    width: 100%;
}

.product-info-content {
    flex: 1;
}

.product-title-row {
    display: flex;
    align-items: center;
    gap: 36px;
    margin-bottom: 60px;
}

.product-detail-title {
    font-size: 56px;
    font-weight: 700;
    color: #000;
    margin: 0;
    line-height: 1;
}

.title-icon {
    width: 36px;
    height: 36px;
}

.product-feature-list {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.feature-icon-wrap {
    width: 86px;
    height: 86px;
    flex-shrink: 0;
    background: #E6E8F1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-icon-wrap:hover {
    transform: scale(1.05);
}

.feature-icon-wrap img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.feature-description {
    font-size: 16px;
    line-height: 1.5;
    color: #818181;
    margin: 0;
    flex: 1;
}

.product-image-wrap {
    width: 632px;
    flex-shrink: 0;
}

.product-main-image {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-intro-card.n3000 .product-image-wrap {
    width: 687px;
}

/* ==================== 响应式适配 ==================== */

/* 大屏幕 (1400px 以下) */
@media screen and (max-width: 1400px) {
    .product-container {
        max-width: 100%;
        padding: 0 40px;
    }

    .product-intro-card {
        padding: 50px 40px;
        gap: 40px;
    }

    .product-image-wrap,
    .product-intro-card.n3000 .product-image-wrap {
        width: 50%;
    }
}

/* 平板设备 (1024px 以下) */
@media screen and (max-width: 1024px) {
    .product-banner {
        height: auto;
        min-height: 400px;
        padding: 120px 0 80px;
    }

    .product-banner .banner-title {
        font-size: 48px;
    }

    .product-nav-breadcrumb {
        height: 100px;
    }

    .breadcrumb-icon {
        width: 24px;
        height: 24px;
    }

    .product-nav-breadcrumb .breadcrumb-text {
        font-size: 18px;
    }

    .breadcrumb-content.active::after {
        width: 180px;
        height: 4px;
    }

    .product-detail-section {
        padding: 100px 0;
    }

    .product-container {
        padding: 0 30px;
    }

    .product-section-label {
        font-size: 42px;
        margin-bottom: 40px;
    }

    .product-intro-card {
        flex-direction: column;
        padding: 40px 30px;
        gap: 30px;
    }

    .product-info-content {
        order: 2;
        text-align: center;
    }

    .product-title-row {
        justify-content: center;
        margin-bottom: 40px;
    }

    .product-detail-title {
        font-size: 42px;
    }

    .product-image-wrap,
    .product-intro-card.n3000 .product-image-wrap {
        width: 100%;
        max-width: 500px;
        order: 1;
        margin: 0 auto;
    }

    .product-feature-list {
        align-items: center;
    }

    .feature-item {
        max-width: 600px;
        text-align: left;
    }
}

/* 小平板/大手机 (768px 以下) */
@media screen and (max-width: 768px) {
    .product-banner {
        height: auto;
        min-height: 320px;
        padding: 100px 0 60px;
    }

    .product-banner .banner-title {
        font-size: 36px;
    }

    .product-nav-breadcrumb {
        height: 80px;
    }

    .breadcrumb-content {
        gap: 15px;
    }

    .breadcrumb-icon {
        width: 22px;
        height: 22px;
    }

    .product-nav-breadcrumb .breadcrumb-text {
        font-size: 16px;
    }

    .breadcrumb-content.active::after {
        width: 150px;
        height: 3px;
    }

    .product-detail-section {
        padding: 60px 0;
    }

    .product-container {
        padding: 0 20px;
    }

    .product-section-label {
        font-size: 32px;
        margin-bottom: 30px;
    }

    .product-intro-card {
        padding: 30px 20px;
        margin-bottom: 30px;
    }

    .product-title-row {
        gap: 20px;
        margin-bottom: 30px;
    }

    .product-detail-title {
        font-size: 32px;
    }

    .title-icon {
        width: 28px;
        height: 28px;
    }

    .feature-item {
        gap: 15px;
    }

    .feature-icon-wrap {
        width: 60px;
        height: 60px;
    }

    .feature-icon-wrap img {
        width: 40px;
        height: 40px;
    }

    .feature-description {
        font-size: 14px;
    }
}

/* 手机设备 (480px 以下) */
@media screen and (max-width: 480px) {
    .product-banner {
        height: auto;
        min-height: 280px;
        padding: 80px 0 50px;
    }

    .product-banner .banner-title {
        font-size: 28px;
    }

    .product-nav-breadcrumb {
        height: 70px;
    }

    .breadcrumb-content {
        gap: 12px;
    }

    .breadcrumb-icon {
        width: 20px;
        height: 20px;
    }

    .product-nav-breadcrumb .breadcrumb-text {
        font-size: 14px;
    }

    .breadcrumb-content.active::after {
        width: 120px;
        height: 3px;
    }

    .product-detail-section {
        padding: 40px 0;
    }

    .product-container {
        padding: 0 15px;
    }

    .product-section-label {
        font-size: 26px;
        margin-bottom: 25px;
    }

    .product-intro-card {
        padding: 25px 15px;
        margin-bottom: 25px;
    }

    .product-title-row {
        gap: 15px;
        margin-bottom: 25px;
    }

    .product-detail-title {
        font-size: 26px;
    }

    .title-icon {
        width: 24px;
        height: 24px;
    }

    .product-feature-list {
        gap: 20px;
    }

    .feature-item {
        gap: 12px;
    }

    .feature-icon-wrap {
        width: 50px;
        height: 50px;
    }

    .feature-icon-wrap img {
        width: 32px;
        height: 32px;
    }

    .feature-description {
        font-size: 13px;
    }
}