/* public/css/index.css - 首页专属样式 */
/* ========== Banner ========== */
.banner-v1 {
    width: 100%;
    height: 900px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.banner-bg-v1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content-v1 {
    position: relative;
    z-index: 2;
    padding: 0 80px 80px 0;
    max-width: 1400px;
    width: 100%;
    text-align: right;
}

.banner-content-v1 h1 {
    font-size: 40px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.banner-content-v1 h1 .highlight-v1 {
    color: #b71c1c;
}

.banner-content-v1 h2 {
    font-size: 40px;
    font-weight: 400;
    color: #333;
    margin-bottom: 8px;
}

.banner-content-v1 h3 {
    font-size: 40px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.banner-content-v1 .en-subtitle-v1 {
    font-size: 22px;
    color: black;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.banner-line-v1 {
    margin-top: 10px;
}

.banner-line-v1 img {
    height: 40px;
    object-fit: contain;
}

.banner-swiper-v1 {
    width: 100%;
    height: 900px;
}

.banner-swiper-v1 .swiper-slide {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    background: linear-gradient(135deg, #e8e8e8 0%, #d0d0d0 30%, #b8b8b8 60%, #a0a0a0 100%);
    overflow: hidden;
}

.banner-swiper-v1 .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #fff;
    opacity: 0.5;
}

.banner-swiper-v1 .swiper-pagination-bullet-active {
    opacity: 1;
    background: #b71c1c;
}

/* ========== Video Center ========== */
.video-center-v1 {
    position: relative;
    padding: 80px 40px;
    background: url('/public/static/img/index/bj.png') center center / cover no-repeat;
    overflow: hidden;
}

.video-center-inner-v1 {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.video-center-text-v1 {
    flex: 0 0 900px;
}

.video-center-title-v1 {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 90px;
}

.title-bar-v1 {
    flex-shrink: 0;
    width: 6px;
    height: 52px;
    background: #b71c1c;
    border-radius: 2px;
}

.title-text-v1 h2 {
    font-size: 36px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.title-en-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    letter-spacing: 1px;
}

.video-center-desc-v1 {
    font-size: 24px;
    color: #333;
    line-height: 1.8;
}

.video-center-desc-en-v1 {
    font-size: 16px;
    color: #b71c1c;
    line-height: 1.8;
    font-style: italic;
}

.video-center-swiper-wrap-v1 {
    flex: 1;
    min-width: 0;
}

.video-swiper-v1 {
    width: 100%;
    padding-bottom: 40px;
}

.video-swiper-v1 .swiper-slide {
    height: auto;
}

.video-card-v1 {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s, box-shadow 0.3s;
    aspect-ratio: 16 / 10;
}

.video-card-v1:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.video-card-thumb-v1 {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-card-play-v1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    transition: transform 0.3s;
}

.video-card-v1:hover .video-card-play-v1 {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-card-play-v1 svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.video-pagination-v1 .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ccc;
    opacity: 1;
    transition: all 0.3s;
}

.video-pagination-v1 .swiper-pagination-bullet-active {
    background: #b71c1c;
    width: 28px;
    border-radius: 6px;
}

/* ========== Video Modal ========== */
.video-modal-v1 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.video-modal-v1.active-v1 {
    display: flex;
}

.video-modal-overlay-v1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
}

.video-modal-content-v1 {
    position: relative;
    z-index: 1;
    width: 90%;
    max-width: 900px;
}

.video-modal-close-v1 {
    position: absolute;
    top: -44px;
    right: 0;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.video-modal-close-v1:hover {
    color: #b71c1c;
}

.video-modal-player-v1 {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.video-modal-player-v1 video {
    width: 100%;
    display: block;
    border-radius: 12px;
    background: #000;
}

/* ========== About Stats ========== */
.about-stats-v1 {
    background: #b71c1c;
    padding: 60px 40px;
}

.about-stats-inner-v1 {
    max-width: 1500px;
    margin: 0 auto;
}

.about-stats-header-v1 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 50px;
}

.about-stats-title-v1 {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.about-stats-title-v1 h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    border-bottom: 2px solid #fff;
    padding-bottom: 4px;
}

.about-stats-title-en-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.about-stats-more-v1 {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid #fff;
    border-radius: 4px;
    color: #fff;
    font-size: 15px;
    transition: background 0.3s, color 0.3s;
}

.about-stats-more-v1:hover {
    background: #fff;
    color: #b71c1c;
}

.about-stats-grid-v1 {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.about-stat-item-v1 {
    flex: 1;
}

.stat-number-v1 {
    font-size: 72px;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
    font-style: italic;
}

.stat-unit-v1 {
    font-size: 28px;
    font-weight: 400;
    font-style: normal;
    margin-left: 2px;
}

.stat-label-v1 {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 8px;
}

/* ========== Cooperation Cases ========== */
.cases-v1 {
    padding: 80px 40px;
    background: #f5f5f5;
}

.cases-inner-v1 {
    max-width: 1500px;
    margin: 0 auto;
}

.cases-header-v1 {
    margin-bottom: 50px;
}

.cases-title-v1 {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.cases-title-bar-v1 {
    flex-shrink: 0;
    width: 6px;
    height: 52px;
    background: #b71c1c;
    border-radius: 2px;
}

.cases-title-text-v1 h2 {
    font-size: 36px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.cases-title-en-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    letter-spacing: 1px;
}

.cases-grid-v1 {
    display: flex;
    gap: 20px;
    height: 600px;
}

.case-card-large-v1 {
    flex: 0 0 50%;
    height: 100%;
}

.cases-grid-right-v1 {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
}

.case-card-v1 {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    display: block;
    cursor: pointer;
    transition: transform 0.3s;
}

.case-card-v1:hover {
    transform: scale(1.02);
}

.case-card-bg-v1 {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-card-label-v1 {
    position: absolute;
    bottom: 24px;
    left: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.case-card-label-v1 span {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.case-card-arrow-v1 {
    width: 24px;
    height: 12px;
}

/* ========== Technology Advantages ========== */
.technology-v1 {
    position: relative;
    padding: 80px 40px;
    overflow: hidden;
    background: #1a1a1a;
}

.technology-bg-v1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.technology-inner-v1 {
    position: relative;
    z-index: 2;
    max-width: 1500px;
    margin: 0 auto;
}

.technology-header-v1 {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 16px;
    margin-bottom: 260px;
}

.technology-title-v1 {
    text-align: right;
}

.technology-title-v1 h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.technology-title-en-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.technology-title-bar-v1 {
    flex-shrink: 0;
    width: 10px;
    height: 52px;
    background: #fff;
    /*border-radius: 2px;*/
}

.technology-desc-v1 {
    text-align: right;
    margin-bottom: 60px;
}

.technology-desc-v1 p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 8px;
}

.technology-cards-v1 {
    display: flex;
    gap: 20px;
}

.tech-card-v1 {
    flex: 1;
    padding: 30px 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(2px);
    transition: all 0.3s;
    cursor: pointer;
}

.tech-card-v1:hover {
    background: #b71c1c;
    transform: translateY(-4px);
    border-color: #b71c1c;
}


.tech-card-icon-v1 {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    object-fit: contain;
}

.tech-card-title-v1 {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.tech-card-arrow-v1 {
    height: 12px;
}

/* ========== Company News ========== */
.news-v1 {
    position: relative;
    padding: 110px 40px;
    overflow: hidden;
    background: url('/public/static/img/index/bj2.png') center center / cover no-repeat;
}

.news-v1::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(183, 28, 28, 0.04) 100%);
    pointer-events: none;
}

.news-inner-v1 {
    position: relative;
    z-index: 2;

    margin: 0 auto;
}

.news-header-v1 {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin: 0px auto 80px auto;
    max-width: 1500px;
}

.news-title-v1 {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.news-title-bar-v1 {
    flex-shrink: 0;
    width: 6px;
    height: 52px;
    background: #b71c1c;
    border-radius: 2px;
}

.news-title-text-v1 h2 {
    font-size: 36px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.news-title-en-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    letter-spacing: 1px;
}

.news-tabs-v1 {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #ccc;
}

.news-tab-v1 {
    padding: 10px 28px;
    background: none;
    border: none;
    font-size: 16px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
    letter-spacing: 1px;
}

.news-tab-v1:hover {
    color: #b71c1c;
}

.news-tab-v1.active-v1 {
    color: #333;
    font-weight: 700;
}

.news-tab-v1.active-v1::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #b71c1c;
}

.news-swiper-wrap-v1 {
    width: 100%;
}

.news-swiper-v1 {
    width: 100%;
    padding-bottom: 80px;
    overflow: visible;
    position: relative;
}

.news-swiper-v1 .swiper-pagination {
    position: relative;
    bottom: auto;
    margin-top: 40px;
}

.news-swiper-v1 .swiper-slide {
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s ease;
}

.news-card-v1 {
    display: flex;
    align-items: center;
    background: #B8B8B8;
    border-radius: 24px;
    overflow: hidden;
    height: 300px;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 16px;
    gap: 0;
}

.news-card-active-v1,
.swiper-slide-active .news-card-v1 {
    background: #b71c1c;
    height: 360px;
    box-shadow: 0 8px 40px rgba(183, 28, 28, 0.25);
}

.news-card-img-v1 {
    width: 42%;
    height: calc(100% - 32px);
    object-fit: cover;
    flex-shrink: 0;
    border-radius: 16px;
    margin: 16px 0 16px 16px;
}

.news-card-active-v1 .news-card-img-v1 {
    width: 42%;
}

.news-card-info-v1 {
    padding: 28px 36px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.news-card-date-v1 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.news-card-title-v1 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.6;
    margin: 0;
    letter-spacing: 0.5px;
}

.news-card-active-v1 .news-card-title-v1 {
    font-size: 22px;
}

.news-card-link-v1 {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: #fff;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 8px 22px;
    width: fit-content;
    transition: all 0.3s;
    margin-top: 8px;
}

.news-card-link-v1:hover {
    background: #fff;
    color: #b71c1c;
    border-color: #fff;
}

.news-card-link-v1 svg {
    width: 14px;
    height: 14px;
}

.news-pagination-v1 .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ccc;
    opacity: 1;
    transition: all 0.3s;
}

.news-pagination-v1 .swiper-pagination-bullet-active {
    background: #b71c1c;
    width: 28px;
    border-radius: 6px;
}

/* ========== 响应式 ========== */

/* 平板及以下 ≤1200px */
@media screen and (max-width: 1200px) {
    .banner-content-v1 {
        padding-right: 40px;
        padding-bottom: 60px;
    }

    .video-center-inner-v1 {
        gap: 40px;
    }

    .video-center-text-v1 {
        flex: 0 0 360px;
    }

    .about-stats-v1 {
        padding: 50px 30px;
    }

    .stat-number-v1 {
        font-size: 60px;
    }

    .about-stats-grid-v1 {
        gap: 30px;
    }

    .cases-v1 {
        padding: 60px 30px;
    }

    .cases-grid-v1 {
        height: 440px;
    }

    .case-card-label-v1 span {
        font-size: 18px;
    }

    .technology-v1 {
        padding: 60px 30px;
    }

    .technology-title-v1 h2 {
        font-size: 30px;
    }

    .tech-card-title-v1 {
        font-size: 18px;
    }

    .news-v1 {
        padding: 60px 30px;
    }

    .news-title-text-v1 h2 {
        font-size: 30px;
    }

    .news-tab-v1 {
        padding: 8px 20px;
        font-size: 16px;
    }

    .news-card-v1 {
        height: 240px;
    }

    .news-card-active-v1 {
        height: 300px;
    }

    .news-card-img-v1 {
        width: 180px;
    }

    .news-card-active-v1 .news-card-img-v1 {
        width: 220px;
    }

    .news-card-title-v1 {
        font-size: 16px;
    }

    .news-card-active-v1 .news-card-title-v1 {
        font-size: 18px;
    }
}

/* 平板竖屏 ≤992px */
@media screen and (max-width: 992px) {
    .banner-swiper-v1 {
        height: 600px;
    }

    .banner-content-v1 {
        padding-right: 30px;
        padding-bottom: 50px;
    }

    .banner-content-v1 h1 {
        font-size: 32px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 28px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 16px;
    }

    .banner-line-v1 img {
        height: 30px;
    }

    .video-center-v1 {
        padding: 60px 30px;
    }

    .video-center-inner-v1 {
        flex-direction: column;
        gap: 40px;
    }

    .video-center-text-v1 {
        flex: none;
        width: 100%;
        text-align: center;
    }

    .video-center-title-v1 {
        justify-content: center;
    }

    .title-text-v1 h2 {
        font-size: 30px;
    }

    .video-center-desc-v1 {
        font-size: 18px;
    }

    .video-center-desc-en-v1 {
        font-size: 14px;
    }

    .video-center-swiper-wrap-v1 {
        width: 100%;
    }

    .about-stats-v1 {
        padding: 40px 30px;
    }

    .about-stats-header-v1 {
        margin-bottom: 36px;
    }

    .about-stats-title-v1 h2 {
        font-size: 24px;
    }

    .about-stats-title-en-v1 {
        font-size: 15px;
    }

    .stat-number-v1 {
        font-size: 48px;
    }

    .stat-unit-v1 {
        font-size: 22px;
    }

    .stat-label-v1 {
        font-size: 14px;
    }

    .about-stats-grid-v1 {
        gap: 24px;
    }

    .cases-v1 {
        padding: 50px 30px;
    }

    .cases-title-text-v1 h2 {
        font-size: 30px;
    }

    .cases-title-en-v1 {
        font-size: 15px;
    }

    .cases-grid-v1 {
        flex-direction: column;
        height: auto;
    }

    .case-card-large-v1 {
        flex: none;
        height: 300px;
    }

    .cases-grid-right-v1 {
        height: 400px;
    }

    .case-card-label-v1 span {
        font-size: 16px;
    }

    .technology-v1 {
        padding: 50px 30px;
    }

    .technology-header-v1 {
        margin-bottom: 40px;
    }

    .technology-title-v1 h2 {
        font-size: 26px;
    }

    .technology-title-en-v1 {
        font-size: 15px;
    }

    .technology-title-bar-v1 {
        height: 40px;
    }

    .technology-desc-v1 {
        margin-bottom: 40px;
    }

    .technology-desc-v1 p {
        font-size: 14px;
    }

    .technology-cards-v1 {
        flex-wrap: wrap;
        gap: 16px;
    }

    .tech-card-v1 {
        flex: 0 0 calc(50% - 8px);
    }

    .tech-card-icon-v1 {
        width: 40px;
        height: 40px;
    }

    .tech-card-title-v1 {
        font-size: 16px;
    }

    .news-v1 {
        padding: 50px 30px;
    }

    .news-header-v1 {
        flex-direction: column;
        gap: 24px;
    }

    .news-title-text-v1 h2 {
        font-size: 26px;
    }

    .news-title-en-v1 {
        font-size: 15px;
    }

    .news-tabs-v1 {
        flex-wrap: wrap;
    }

    .news-tab-v1 {
        padding: 8px 16px;
        font-size: 14px;
    }

    .news-swiper-wrap-v1 {
        padding: 0 20px;
    }

    .news-card-v1 {
        height: 200px;
    }

    .news-card-active-v1 {
        height: 260px;
    }

    .news-card-img-v1 {
        width: 150px;
    }

    .news-card-active-v1 .news-card-img-v1 {
        width: 180px;
    }

    .news-card-info-v1 {
        padding: 20px 24px;
    }

    .news-card-date-v1 {
        font-size: 18px;
    }

    .news-card-title-v1 {
        font-size: 14px;
    }

    .news-card-active-v1 .news-card-title-v1 {
        font-size: 16px;
    }

    .news-card-link-v1 {
        font-size: 13px;
        padding: 4px 14px;
    }
}

/* 手机横屏 ≤768px */
@media screen and (max-width: 768px) {
    .banner-swiper-v1 {
        height: 450px;
    }

    .banner-content-v1 {
        padding-right: 20px;
        padding-bottom: 40px;
    }

    .banner-content-v1 h1 {
        font-size: 26px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 22px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 14px;
    }

    .banner-line-v1 img {
        height: 24px;
    }

    .video-center-v1 {
        padding: 40px 20px;
    }

    .title-text-v1 h2 {
        font-size: 26px;
    }

    .title-en-v1 {
        font-size: 15px;
    }

    .video-center-desc-v1 {
        font-size: 16px;
    }

    .video-center-desc-en-v1 {
        font-size: 13px;
    }

    .video-modal-content-v1 {
        width: 95%;
    }

    .about-stats-v1 {
        padding: 36px 20px;
    }

    .about-stats-header-v1 {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 30px;
    }

    .about-stats-title-v1 h2 {
        font-size: 22px;
    }

    .stat-number-v1 {
        font-size: 40px;
    }

    .stat-unit-v1 {
        font-size: 18px;
    }

    .stat-label-v1 {
        font-size: 13px;
    }

    .about-stats-grid-v1 {
        gap: 20px;
    }

    .cases-v1 {
        padding: 40px 20px;
    }

    .cases-title-text-v1 h2 {
        font-size: 26px;
    }

    .cases-title-en-v1 {
        font-size: 14px;
    }

    .cases-title-bar-v1 {
        height: 40px;
    }

    .case-card-large-v1 {
        height: 240px;
    }

    .cases-grid-right-v1 {
        height: 320px;
    }

    .case-card-label-v1 {
        bottom: 16px;
        left: 16px;
    }

    .case-card-label-v1 span {
        font-size: 14px;
    }

    .technology-v1 {
        padding: 40px 20px;
    }

    .technology-title-v1 h2 {
        font-size: 22px;
    }

    .technology-title-en-v1 {
        font-size: 14px;
    }

    .tech-card-v1 {
        flex: 0 0 100%;
        padding: 24px 20px;
    }

    .tech-card-icon-v1 {
        width: 36px;
        height: 36px;
    }

    .tech-card-title-v1 {
        font-size: 15px;
    }

    .news-v1 {
        padding: 40px 20px;
    }

    .news-title-text-v1 h2 {
        font-size: 22px;
    }

    .news-title-en-v1 {
        font-size: 14px;
    }

    .news-title-bar-v1 {
        height: 40px;
    }

    .news-tabs-v1 {
        gap: 0;
    }

    .news-tab-v1 {
        padding: 6px 12px;
        font-size: 13px;
    }

    .news-swiper-wrap-v1 {
        padding: 0 10px;
    }

    .news-card-v1 {
        height: 180px;
        flex-direction: column;
    }

    .news-card-active-v1 {
        height: 240px;
    }

    .news-card-img-v1 {
        width: 100%;
        height: 100px;
        border-radius: 12px 12px 0 0;
    }

    .news-card-active-v1 .news-card-img-v1 {
        width: 100%;
        height: 120px;
    }

    .news-card-info-v1 {
        padding: 14px 18px;
    }

    .news-card-date-v1 {
        font-size: 16px;
    }

    .news-card-title-v1 {
        font-size: 13px;
    }

    .news-card-active-v1 .news-card-title-v1 {
        font-size: 14px;
    }

    .news-card-link-v1 {
        font-size: 12px;
        padding: 4px 12px;
    }
}

/* 手机竖屏 ≤480px */
@media screen and (max-width: 480px) {
    .banner-swiper-v1 {
        height: 380px;
    }

    .banner-content-v1 h1 {
        font-size: 22px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 18px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 12px;
    }

    .banner-line-v1 img {
        height: 20px;
    }

    .video-center-v1 {
        padding: 30px 16px;
    }

    .title-text-v1 h2 {
        font-size: 22px;
    }

    .title-bar-v1 {
        height: 40px;
    }

    .video-modal-close-v1 {
        top: -40px;
        font-size: 28px;
    }

    .about-stats-v1 {
        padding: 30px 16px;
    }

    .about-stats-grid-v1 {
        flex-wrap: wrap;
        gap: 24px;
    }

    .about-stat-item-v1 {
        flex: 0 0 calc(50% - 12px);
    }

    .stat-number-v1 {
        font-size: 36px;
    }

    .stat-unit-v1 {
        font-size: 16px;
    }

    .stat-label-v1 {
        font-size: 12px;
    }

    .cases-v1 {
        padding: 30px 16px;
    }

    .cases-title-text-v1 h2 {
        font-size: 22px;
    }

    .case-card-large-v1 {
        height: 200px;
    }

    .cases-grid-right-v1 {
        height: 260px;
    }

    .case-card-label-v1 span {
        font-size: 13px;
    }

    .technology-v1 {
        padding: 30px 16px;
    }

    .technology-title-v1 h2 {
        font-size: 20px;
    }

    .technology-desc-v1 p {
        font-size: 13px;
    }

    .tech-card-v1 {
        padding: 20px 16px;
    }

    .tech-card-title-v1 {
        font-size: 14px;
    }

    .news-v1 {
        padding: 30px 16px;
    }

    .news-title-text-v1 h2 {
        font-size: 22px;
    }

    .news-card-v1 {
        height: 260px;
        padding: 12px;
    }

    .news-card-active-v1 {
        height: 320px;
    }

    .news-card-img-v1 {
        width: 42%;
        margin: 12px 0 12px 12px;
        height: calc(100% - 24px);
        border-radius: 12px;
    }

    .news-card-active-v1 .news-card-img-v1 {
        width: 42%;
    }

    .news-card-info-v1 {
        padding: 20px 28px 20px 20px;
    }

    .news-card-date-v1 {
        font-size: 24px;
    }

    .news-card-title-v1 {
        font-size: 16px;
    }

    .news-card-active-v1 .news-card-title-v1 {
        font-size: 18px;
    }

    .news-card-link-v1 {
        padding: 6px 18px;
        font-size: 14px;
    }
}