/* ============================================
   8. Banner区域
   ============================================ */

/**
 * Banner - 首页大图展示区域
 * 全宽展示，静态图片
 */
.banner {
    position: relative;
    width: 100%;
    /* height: calc(80vh - var(--header-height));
    min-height: 800px; */
    height: 820px;
    margin-top: var(--header-height);
    overflow: hidden;
}



/* Banner图片容器 */
.banner__image {
    position: relative;
    width: 100%;
    height: 100%;

}

/* Banner图片 */
.banner__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 4s ease;
}

.banner__container {
    position: relative;
}

.banner__container .swiper-slide:hover .banner__img {
    /* transform: scale(1.05); */
}

/* Banner遮罩层 - 增加文字可读性 */
.banner__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
}

.banner__content {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    /* border: 1px solid #fff; */
}

.banner__content-inner {
    color: #fff;
    font-size: 30px;
    /* border: 10px solid #fff; */
    max-width: var(--container-max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 140px;
}

.banner__title {
    font-weight: bold;
    font-size: 48px;
    /* color: #00A2FF; */
}

.banner__subtitle {
    font-size: 28px;
    color: #fff;
    margin-top: 20px;
}

.banner__content__img {
    margin-top: 50px;
}

/* ============================================
   8.1 Banner区域 - 入场动画与交互效果
   ============================================ */

/**
 * Banner入场动画 - 现代UI/UX设计
 * 包含向上滑入、淡入、交错动画效果
 */

/* Swiper Slide 基础动画状态 */
.banner__container .swiper-slide.slide-1 .banner__content-inner {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Swiper Slide 激活状态 - 内容入场动画 */
.banner__container .swiper-slide.swiper-slide-active .banner__content-inner {
    opacity: 1;
    transform: translateY(0);
}

/* 标题动画 - 交错延迟 */
.banner__container .swiper-slide .banner__title {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.15s,
        transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.15s;
}

.banner__container .swiper-slide.swiper-slide-active .banner__title {
    opacity: 1;
    transform: translateY(0);
}


/* 副标题动画 - 更多延迟 */
.banner__container .swiper-slide .banner__subtitle {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.35s,
        transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.35s;
}

.banner__container .swiper-slide.swiper-slide-active .banner__subtitle {
    opacity: 1;
    transform: translateY(0);
}


.swiper-slide.slide-2 .banner__content-inner {
    align-items: flex-end;
}

.banner__container .swiper-slide.slide-2 .banner__title {
    color: #fff;
    padding-right: 20%;
    opacity: 0;
    transform: translateX(200px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.15s,
        transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.15s;
}

.banner__container .swiper-slide.swiper-slide-active.slide-2 .banner__title {
    opacity: 1;
    transform: translateX(0);
}

.banner__container .swiper-slide.slide-2 .banner__content__img {
    opacity: 0;
    transform: translateX(200px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s,
        transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s;
}

.banner__container .swiper-slide.swiper-slide-active.slide-2 .banner__content__img {
    opacity: 1;
    transform: translateX(0);
}


.banner__container .swiper-pagination {
    bottom: 30px;
}

@media screen and (max-width: 768px) {
    .banner {
        height: 300px;
    }

    .banner__content-inner {
        padding-top: 30px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .banner__title {
        font-size: 7vw;
        text-align: left;
    }

    .banner__container .swiper-slide.slide-2 .banner__title {
        padding-right: 5%;
        padding-top: 10%;
    }

    .banner__subtitle {
        font-size: 5vw;
        text-align: left;
    }

    .banner__content__img {
        display: none;
    }
}

/* ============================================
   17. 新闻动态区域 (News)
   ============================================ */

.news {
    padding: 60px 0;
}

.news__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
}

.news__title-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.news__subtitle {
    font-size: var(--xl-font-size-26);
    color: var(--color-primary);
    font-weight: 600;
    /* letter-spacing: 1px; */
}

.news__title {
    font-size: var(--xl-font-size-44);
    color: var(--color-text-primary);
    font-weight: 700;
}

.news__more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background-color: #ff8c42;
    color: #ffffff;
    font-size: 14px;
    border-radius: 4px;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.news__more:hover {
    background-color: #e67a35;
    transform: translateX(4px);
}

.news__more svg {
    transition: transform var(--transition-fast);
}

.news__more:hover svg {
    transform: translateX(4px);
}

.news__body {
    display: flex;
    gap: 24px;
}

.news__left {
    display: flex;
    gap: 24px;
    flex: 1;
}

.news__right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 650px;
    flex-shrink: 0;
}

/* 新闻卡片 - 通用 */
.news__card {
    position: relative;
    background-color: var(--color-bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: box-shadow var(--transition-normal);
}

.news__card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* 特色卡片（左侧第一张） */
.news__card--featured {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.news__card--featured .news__card-image {
    position: relative;
    width: 100%;
    height: 340px;
    overflow: hidden;
}

.news__card--featured .news__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news__card--featured:hover .news__card-image img {
    transform: scale(1.08);
}

.news__card--featured .news__card-content {
    padding: 40px 30px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news__card--featured .news__card-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news__card--featured .news__card-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical !important;
    overflow: hidden;
}

.news__card--featured .news__card-date {
    font-size: 16px;
    color: var(--color-text-light);
}

/* 嵌套的高亮卡片 - 默认隐藏，hover时显示 */
.news__card--featured>.news__card--highlight {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        visibility 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    z-index: 10;
    flex: none;
    background-color: var(--color-primary);
    transform: translateY(8px);
}

.news__card--featured>.news__card--highlight .news__card-content {
    padding: 80px 30px 30px;
}

.news__card--featured:hover>.news__card--highlight {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.6s ease-out,
        visibility 0.6s ease-out,
        transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 高亮卡片（左侧第二张 - 蓝色背景） */
.news__card--highlight {
    flex: 1;
    background-color: var(--color-primary);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.news__card--highlight .news__card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.news__card--highlight:hover .news__card-bg {
    transform: scale(1.05);
}

.news__card--highlight .news__card-content {
    position: relative;
    z-index: 1;
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
}

.news__card--highlight .news__card-title {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 50px;
    line-height: 1.4;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.9;
}

.news__card--highlight:hover .news__card-title {
    transform: translateY(-4px);
    opacity: 1;
}

.news__card--highlight .news__card-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 24px;
    flex: 1;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.85;
}

.news__card--highlight:hover .news__card-desc {
    transform: translateY(-4px);
    opacity: 1;
}

.news__card--highlight .news__card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #ff8c42;
    color: #ffffff;
    font-size: 14px;
    border-radius: 4px;
    align-self: flex-start;
    transition: background-color 0.3s ease,
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s ease;
    margin-bottom: 16px;
}

.news__card--highlight .news__card-btn:hover {
    background-color: #e67a35;
    transform: translateX(6px);
    box-shadow: 0 4px 16px rgba(255, 140, 66, 0.4);
}

.news__card--highlight .news__card-btn svg {
    transition: transform var(--transition-fast);
}

.news__card--highlight .news__card-btn:hover svg {
    transform: translateX(4px);
}

.news__card--highlight .news__card-date {
    font-size: 16px;
    color: rgba(255, 255, 255, 1);
}

.news__card--highlight .news__card-date-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.news__card-date-group .about__btn1 {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 右侧新闻列表项 */
.news__item {
    display: flex;
    gap: 20px;
    padding: 16px;
    background-color: var(--color-bg-white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: box-shadow var(--transition-normal);
    cursor: pointer;
}

.news__item:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.news__item-image {
    width: 190px;
    height: 142px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.news__item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news__item:hover .news__item-image img {
    transform: scale(1.08);
}

.news__item-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.news__item-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.news__item:hover .news__item-title {
    color: var(--color-primary);
}

.news__item-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news__item-date {
    font-size: 16px;
    color: var(--color-text-light);
    margin-top: auto;
}

/* ============================================
   18. 新闻动态响应式适配
   ============================================ */

@media screen and (max-width: 1024px) {
    .news__body {
        flex-direction: column;
    }

    .news__left {
        flex-direction: row;
    }

    .news__right {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .news__item {
        flex: 1;
        min-width: 300px;
    }
}

@media screen and (max-width: 768px) {
    .news {
        padding: 40px 10px;
    }

    .news__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 28px;
    }

    .news__title {
        font-size: 26px;
    }

    .news__left {
        flex-direction: column;
    }

    .news__card--featured .news__card-image {
        height: 200px;
    }

    .news__right {
        flex-direction: column;
    }

    .news__item {
        min-width: auto;
    }

    .news__item-image {
        width: 100px;
        height: 75px;
    }
}

@media screen and (max-width: 480px) {
    .news__title {
        font-size: 22px;
    }

    .news__subtitle {
        font-size: 14px;
    }

    .news__card--featured .news__card-image {
        height: 160px;
    }

    .news__card--highlight .news__card-content {
        padding: 20px;
    }

    .news__item {
        flex-direction: column;
        gap: 12px;
    }

    .news__item-image {
        width: 100%;
        height: 160px;
    }
}

/* ============================================
   19. 产品展示区域 (Products)
   ============================================ */

.products {
    /* background:
        url("../images/index/a.png"),
        linear-gradient(135deg, #1a4a8a 0%, #0d2d5a 100%); */
    background:
        url("../images/index/b.png"),
        var(--color-primary);
    background-size: cover, auto;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

/* .products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
} */

.products__inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    /* padding: 0 var(--spacing-lg); */
    position: relative;
    z-index: 1;
}

.products__top {
    display: flex;
    justify-content: space-between;
    /* align-items: center; */
    align-items: flex-end;
    margin-bottom: 32px;
}

.products__header {}

.products__subtitle {
    font-size: var(--xl-font-size-26);
    color: rgba(255, 255, 255, 1);
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.products__title {
    font-size: var(--xl-font-size-44);
    color: #ffffff;
    font-weight: 700;
}

.products__categories {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.products__category-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.products__category-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* padding: 8px 20px; */
    width: 150px;
    height: 44px;
    background-color: #ffffff;
    color: #1a4a8a;
    font-size: var(--xl-font-size-18);
    font-weight: 600;
    border-radius: 30px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media screen and (max-width: 768px) {
    .products__category-label {
        width: 130px;
        height: 36px;
    }
}


.products__category-label:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.products__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    flex: 1;
}

.products__tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background-color: rgba(255, 255, 255, 0);
    border: 1px solid rgba(255, 255, 255, 1);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--xl-font-size-18);
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.products__tag:hover {
    background-color: rgba(255, 255, 255, 0);
    border-color: rgba(255, 255, 255, 1);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.products__menu {
    display: flex;
    align-items: center;
    padding-top: 20px;
}

.products__slogan {
    font-size: var(--xl-font-size-36);
    color: #ffffff;
    /* font-weight: 500; */
    /* letter-spacing: 2px; */
    white-space: nowrap;
}

/* ============================================
   20. 产品展示响应式适配
   ============================================ */

@media screen and (max-width: 1024px) {
    .products__inner {
        flex-direction: column;
        gap: 32px;
    }

    .products__menu {
        padding-top: 0;
        align-self: flex-end;
    }

    .products__slogan {
        font-size: 20px;
    }
}

@media screen and (max-width: 768px) {
    .products {
        padding: 40px 0;
    }

    .products__title {
        font-size: 26px;
    }

    .products__category-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .products__tags {
        width: 100%;
    }

    .products__slogan {
        font-size: 18px;
        letter-spacing: 1px;
    }
}

@media screen and (max-width: 480px) {
    .products {
        padding: 32px 10px;
    }

    .products .blank-50 {
        height: 1px;
    }

    .products__title {
        font-size: 22px;
    }

    .products__subtitle {
        font-size: 12px;
    }

    .products__tag {
        padding: 6px 12px;
        font-size: 12px;
    }

    .products__category-label {
        padding: 6px 16px;
        font-size: 13px;
    }

    .products__slogan {
        font-size: 16px;
    }
}

/* 产品轮播 */
.products__carousel {
    width: 100%;
    height: 470px;
    background-color: #EFEFEF;
    position: relative;
}

.products__carousel__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    height: 430px;
    position: relative;
    top: -100px;
}

.products__carousel__container .mySwiper {
    width: 100%;
    height: 100%;
    /* padding: 20px 0 50px; */
}

.products__carousel__container .swiper-slide {
    height: auto;
}

.product-card {
    /* background-color: #fff; */
    border-radius: 8px;
    overflow: hidden;
    /* box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); */
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    /* transform: translateY(-8px); */
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.product-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    /* background-color: #f5f5f5; */
    flex: 1;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card__content {
    padding: 30px 30px;
    /* flex: 1; */
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-normal);
    background-color: #fff;
    min-height: 142px;
}

.product-card:hover .product-card__content {
    background-color: var(--color-primary);
}

.product-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
}

.product-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
    flex: 1;
    transition: color var(--transition-normal);
    text-align: left;
}

.product-card:hover .product-card__title {
    color: #fff;
}

.product-card__arrow {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition-fast), color var(--transition-normal);
}

.product-card:hover .product-card__arrow {
    transform: translate(4px, -4px);
    color: #fff;
}

.product-card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    transition: color var(--transition-normal);
    text-align: left;
}

.product-card:hover .product-card__desc {
    color: rgba(255, 255, 255, 0.9);
}

.products__carousel__container .swiper-pagination {
    bottom: 0;
}

.products__carousel__container .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background-color: #ccc;
    opacity: 1;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.products__carousel__container .swiper-pagination-bullet-active {
    background-color: var(--color-primary);
    transform: scale(1.2);
}

.products__carousel__container .swiper-button-next {
    right: -60px;
}

.products__carousel__container .swiper-button-prev {
    left: -60px;
}



@media (max-width: 1400px) {
    .products__carousel__container .mySwiper {
        padding: 20px 16px 50px;
    }
}

@media (max-width: 1200px) {
    .product-card__title {
        font-size: 16px;
    }

    .product-card__desc {
        font-size: 13px;
    }

    .product-card__content {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .products__carousel {
        height: auto;
        padding: 40px 0;
    }

    .products__carousel__container {
        top: 0;
        height: auto;
    }

    .products__carousel__container .mySwiper {
        padding: 10px 16px 40px;
    }

    .product-card__title {
        font-size: 15px;
    }

    .product-card__arrow {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .product-card__content {
        padding: 14px;
    }

    .product-card__title {
        font-size: 14px;
    }

    .product-card__desc {
        font-size: 12px;
    }
}

.products__carousel__container .swiper-button-next,
.products__carousel__container .swiper-button-prev {
    width: 50px;
    height: 50px;
    /* background-color: #ff8c42; */
    background-color: #25b1ff;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.products__carousel__container .swiper-button-next::after,
.products__carousel__container .swiper-button-prev::after {
    display: none;
}

.products__carousel__container .swiper-button-next svg,
.products__carousel__container .swiper-button-prev svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.products__carousel__container .swiper-button-next:hover,
.products__carousel__container .swiper-button-prev:hover {
    /* background-color: #e67a35; */
    background-color: #25b1ff;
    transform: scale(1.1);
}

.products__carousel__container .swiper-button-next {
    right: -4%;
}

.products__carousel__container .swiper-button-prev {
    left: -4%;
}

@media (max-width: 1780px) {
    .products__carousel__container .swiper-button-next {
        right: 10px;
    }

    .products__carousel__container .swiper-button-prev {
        left: 10px;
    }
}


@media (max-width: 1400px) {
    .products__carousel__container .swiper-button-next {
        right: 10px;
    }

    .products__carousel__container .swiper-button-prev {
        left: 10px;
    }
}

@media (max-width: 768px) {

    .products__carousel__container .swiper-button-next,
    .products__carousel__container .swiper-button-prev {
        width: 40px;
        height: 40px;
    }

    .products__carousel__container .swiper-button-next svg,
    .products__carousel__container .swiper-button-prev svg {
        width: 20px;
        height: 20px;
    }

    .products__carousel__container .swiper-button-next {
        right: 5px;
    }

    .products__carousel__container .swiper-button-prev {
        left: 5px;
    }
}

/* 产品轮播 */




/* ============================================
   21. 关于协力区域 (About)
   ============================================ */

.about {
    padding: 60px 0;
    /* background-color: #f8f9fa; */
    background-image: url("../images/index/about-bg.jpg");
    background-size: cover;
    background-position: center;
}

.about__inner {
    max-width: var(--container-max-width, 1200px);
    margin: 0 auto;
    /* padding: 0 var(--spacing-lg, 24px); */
}

.about__top {
    display: flex;
    justify-content: space-between;
    /* align-items: center; */
    align-items: flex-end;
    margin-bottom: 40px;
}

.about__header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.about__subtitle {
    font-size: var(--xl-font-size-26);
    color: var(--color-primary);
    font-weight: 600;
    /* letter-spacing: 1px; */
}

.about__title {
    font-size: var(--xl-font-size-44);
    color: var(--color-text-primary, #333);
    font-weight: 700;
}

.about__slogan {
    font-size: 34px;
    color: var(--color-primary);
    font-weight: 600;
    /* letter-spacing: 2px; */
}

.about__content {
    display: flex;
    gap: 60px;
    align-items: stretch;
}

.about__left {
    flex: 1;
    /* max-width: 580px; */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-top: 30px;
}

.about__right {
    flex: 1;
    display: flex;
}

.about__image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
}

.about__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.about__left .about__subtitle {
    font-size: 28px;
    color: var(--xl-color-secondary);
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.4;
    text-align: center;
}

.about__desc {
    font-size: 16px;
    color: #000;
    line-height: 1.8;
    margin-bottom: 24px;
    text-align: justify;
    text-indent: 2em;
}

.about__btn {
    width: 190px;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 13px 28px;
    background-color: var(--xl-color-secondary);
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
    border-radius: 30px;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 4px;
}

.about__btn:hover {
    /* background-color: #e67a35; */
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(255, 140, 66, 0.4);
}

.about__btn svg {
    transition: transform 0.3s ease;
    color: #ffffff;
    width: 22px;
    height: 22px;
}

.about__btn:hover svg {
    transform: translateX(4px);
}

.about__features {
    display: flex;
    gap: 16px;
}

.about__feature {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 32px 18px 22px;
    background-color: var(--color-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.about__feature:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 74, 138, 0.3);
}

.about__feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.about__feature-icon svg {
    width: 60px;
    height: 44px;
}

.about__feature-text {
    font-size: var(--xl-font-size-26);
    color: #ffffff;
    font-weight: 500;
}

.about__image:hover img {
    transform: scale(1.03);
}

/* ============================================
   22. 关于协力响应式适配
   ============================================ */

@media screen and (max-width: 1024px) {
    .about__top {
        margin-bottom: 32px;
    }

    .about__title {
        font-size: 28px;
    }

    .about__slogan {
        font-size: 16px;
    }

    .about__content {
        gap: 40px;
    }

    .about__left {
        max-width: 50%;
    }

    .about__right {
        max-width: 50%;
    }

    .about__image {
        min-height: 300px;
    }
}

@media screen and (max-width: 768px) {
    .about {
        padding: 40px 0;
    }

    .about__top {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 28px;
    }

    .about__title {
        font-size: 26px;
    }

    .about__slogan {
        font-size: 15px;
        letter-spacing: 1px;
    }

    .about__content {
        flex-direction: column;
        gap: 32px;
    }

    .about__left,
    .about__right {
        max-width: 100%;
    }

    .about__right {
        display: block;
    }

    .about__image {
        min-height: auto;
    }

    .about__left .about__subtitle {
        font-size: 16px;
        margin-bottom: 16px;
    }

    .about__desc {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .about__btn {
        padding: 10px 24px;
        font-size: 13px;
        margin-bottom: 24px;
    }

    .about__features {
        gap: 12px;
    }

    .about__feature {
        padding: 10px 16px;
    }

    .about__feature-text {
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .about {
        padding: 32px 10px;
    }

    .about__top {
        margin-bottom: 24px;
    }

    .about__subtitle {
        font-size: 12px;
    }

    .about__title {
        font-size: 22px;
    }

    .about__slogan {
        font-size: 14px;
    }

    .about__left .about__subtitle {
        font-size: 15px;
    }

    .about__features {
        flex-wrap: wrap;
    }

    .about__feature {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
}

/* 工程案例 */

.products.case {
    background-image: url("../images/index/case-bg.jpg");
    background-size: cover;
    background-position: center;
}


.case__content {
    width: 100%;
    height: 700px;
}

.case__content .swiper-container {
    width: 100%;
    height: 90%;
    position: relative;
}

.case__content .swiper-slide {
    text-align: center;
    font-size: 18px;
    /* background: #fff; */

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    transition: 300ms;
    /* transform: scale(0.6); */
}

.case__content .swiper-slide-active,
.case__content .swiper-slide-duplicate-active {
    /* transform: scaleX(1.2) scaleY(1); */
}

.case__content .swiper-slide-prev {
    /* transform: scaleY(0.6) scaleX(0.8) translateX(-15%); */
    transform: translateX(-15%);
}

.case__content .swiper-slide-prev .case__card-content {
    display: none;
}

.case__content .swiper-slide-prev .case__card-image {
    transform: scale(0.8);
}

.case__content .swiper-slide-prev .case__card-image img {
    opacity: 0.7;
}

.case__content .swiper-slide-next {
    /* transform: scaleY(0.6) scaleX(0.8) translateX(15%); */
    transform: translateX(15%);
}

.case__content .swiper-slide-next .case__card-content {
    display: none;
}

.case__content .swiper-slide-next .case__card-image {
    transform: scale(0.8);
}

.case__content .swiper-slide-next .case__card-image img {
    opacity: 0.7;
}

.swiper-pagination,
.case__content .swiper-pagination {
    bottom: -30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.swiper-pagination-bullet,
.case__content .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 1);
    opacity: 1;
    transition: all 0.3s ease;
}

.swiper-pagination-bullet-active,
.case__content .swiper-pagination-bullet-active {
    width: 30px;
    height: 10px;
    background-color: #25b1ff;
    border-radius: 5px;
}


/* case__card 内部容器 - 用于反向缩放保持内容比例 */
.case__card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.case__card-image {
    width: 100%;
    height: 75%;
    overflow: hidden;
    border-radius: 10px;
}

.case__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case__card-title {
    font-size: 24px;
    color: #fff;
    margin-top: 40px;
}

.case__content .swiper-button-next,
.case__content .swiper-button-prev {
    width: 50px;
    height: 50px;
    /* background-color: #ff8c42; */
    background-color: #ffffff;
    border-radius: 50%;
    color: #25b1ff !important;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.case__content .swiper-button-next::after,
.case__content .swiper-button-prev::after {
    display: none;
}

.case__content .swiper-button-next svg,
.case__content .swiper-button-prev svg {
    width: 34px;
    height: 34px;
    /* color: #fff; */
    font-weight: bold;
}

.case__content .swiper-button-next:hover,
.case__content .swiper-button-prev:hover {
    /* background-color: #e67a35; */
    transform: scale(1.1);
}

.case__content .swiper-button-next {
    right: 28%;
}

.case__content .swiper-button-prev {
    left: 28%;
}

/* ============================================
   工程案例轮播 - 移动端适配
   ============================================ */

/* 小屏幕手机 (< 480px) */
@media screen and (max-width: 479px) {
    .case__content {
        height: auto;
        min-height: 370px;
    }

    .case__content .swiper-container {
        height: auto;
        padding-bottom: 60px;
    }

    .case__content .swiper-slide {
        transition: transform 0.3s ease;
    }

    /* 移动端：非激活卡片缩小并降低透明度 */
    .case__content .swiper-slide:not(.swiper-slide-active) {
        transform: scale(0.9);
        opacity: 0.7;
    }

    .case__content .swiper-slide-active {
        transform: scale(1);
        opacity: 1;
    }

    /* 隐藏左右卡片的特殊偏移效果 */
    .case__content .swiper-slide-prev,
    .case__content .swiper-slide-next {
        transform: scale(0.9);
    }

    /* 卡片图片高度调整 */
    .case__card-image {
        height: 220px;
    }

    .case__card-title {
        font-size: 18px;
        margin-top: 20px;
    }

    /* 导航按钮调整 */
    .case__content .swiper-button-next,
    .case__content .swiper-button-prev {
        width: 40px;
        height: 40px;
        top: 40%;
    }

    .case__content .swiper-button-next svg,
    .case__content .swiper-button-prev svg {
        width: 20px;
        height: 20px;
    }

    .case__content .swiper-button-next {
        right: 5%;
    }

    .case__content .swiper-button-prev {
        left: 5%;
    }

    /* 分页器位置调整 */
    .case__content .swiper-pagination {
        bottom: 10px;
    }
}

/* 平板设备 (480px - 767px) */
@media screen and (min-width: 480px) and (max-width: 767px) {
    .case__content {
        height: auto;
        min-height: 500px;
    }

    .case__content .swiper-container {
        height: auto;
        padding-bottom: 60px;
    }

    .case__card-image {
        height: 280px;
    }

    .case__card-title {
        font-size: 20px;
        margin-top: 24px;
    }

    .case__content .swiper-button-next,
    .case__content .swiper-button-prev {
        width: 44px;
        height: 44px;
        top: 42%;
    }

    .case__content .swiper-button-next {
        right: 8%;
    }

    .case__content .swiper-button-prev {
        left: 8%;
    }

    .case__content .swiper-pagination {
        bottom: 15px;
    }
}

/* 平板横屏/小桌面 (768px - 1023px) */
@media screen and (min-width: 768px) and (max-width: 1023px) {
    .case__content {
        height: 600px;
    }

    .case__card-image {
        height: 65%;
    }

    .case__card-title {
        font-size: 22px;
        margin-top: 30px;
    }

    .case__content .swiper-button-next {
        right: 15%;
    }

    .case__content .swiper-button-prev {
        left: 15%;
    }
}

/* 桌面端 (>= 1024px) - 保持原有样式 */
@media screen and (min-width: 1024px) {
    .case__content {
        height: 700px;
    }

    .case__card-image {
        height: 75%;
    }

    .case__card-title {
        font-size: 24px;
        margin-top: 40px;
    }

    .case__content .swiper-button-next {
        right: 28%;
    }

    .case__content .swiper-button-prev {
        left: 28%;
    }
}


/* 工程案例 */