.images {
    height: 42vw;
    width: 100%;
}

.top-h2 {
    text-align: center;
    padding: 0 5vw;
    color: var(--text-color-drak2);
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 14px 0;
    /*text-transform: uppercase;*/
}

.about-hero {
    text-align: center;
    padding-top: 34px;
    background: #fff;
}

.about-hero h1 {
    font-size: 38px;
    font-weight: 700;
    max-width: 880px;
    margin: 0 auto 16px;
    color: var(--text-color-drak2);
    line-height: 1.28;
}

.hero-text {
    padding: 0 20px;
}

.hero-text .section-description,
.hero-text .hero-sub {
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-color-drak3);
    font-size: 16px;
    line-height: 27px;
}
.hero-text p:last-of-type {
    max-width: 860px;
    margin: 10px auto 12px auto;
    color: var(--text-color-light2);
    font-size: 14px;
    line-height: 24px;
}

.hero-sub {
    font-size: 16px;
    color: var(--text-color-drak3);
    margin-bottom: 20px;
}
.hero-text {
    padding: 0 20px;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    margin: 18px auto 0 auto;
    padding: 34px 0;
    background: var(--dark-bg);
    border-radius: var(--border-radius);
}

.stat-item {
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
    padding: 0 18px;
}
.stat-item + .stat-item {
    border-left: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--bg-color);
}

.stat-label {
    display: block;
    margin-top: 7px;
    font-size: 13px;
    color: var(--text-color-drak3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-description {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    font-size: 15px;
    line-height: 26px;
    color: var(--text-color-drak3);
}
.home-product-wrap, .home-application-wrap {
    padding: 10px 14vw;
}
.home-product-image, .home-application-image {
    aspect-ratio: 1 / 1;
    transition: .3s;
}
.home-product-image img, .home-application-image img {
    border-radius: 5px;
}
.home-product-item-btn, .about-us-btn, .contact-us-btn, .home-application-item-btn {
    width: 100%;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--bg-color);
    color: white;
    font-weight: bold;
    border-radius: 5px;
    transition: .3s;
    text-transform: uppercase;
}
.home-product-item-btn, .home-application-item-btn {
    margin-top: 7px;
}
.pc-products-wrap, .pc-application-wrap {
    display: block;
    visibility: visible;
}
.mobile-products-wrap, .mobile-applications-wrap {
    display: none;
    visibility: hidden;
}
.home-product-wrap .swipe-slide, .home-application-wrap .swipe-slide {
    width: calc(25%);
    padding: 10px;
}
.home-product-wrap .swipe-slide a, .home-application-wrap .swipe-slide a {
    background: white;
    padding: 20px;
    border-radius: 5px;
}
.home-product-title, .home-application-title {
    margin-top: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 37px;
    line-height: 18px;
    font-size: 16px;
}
.home-product-wrap .swipe-indicators, .home-application-wrap .swipe-indicators {
    margin-top: 20px;
    position: relative;
    justify-content: center;
    gap: 15px;
}
.home-product-wrap .swipe-indicators span, .home-application-wrap .swipe-indicators span {
    background: rgba(0, 0, 0, 0.15);
}
.home-product-desc, .home-application-desc {
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 18px;
    height: 54px;
}
.pc-products-wrap .swipe-slide a, .pc-applications-wrap .swipe-slide a {
    box-shadow: 1px 1px 10px 1px rgba(0, 0, 0, 0.07);
    transition: .3s;
}

.pc-products-wrap .swipe-track, .pc-applications-wrap .swipe-track {
    flex-wrap: wrap;
}
.home-product-wrap .swipe-track, .pc-applications-wrap .swipe-track, .home-product-wrap.swipe, .pc-applications-wrap.swipe {
    height: auto;
}
.pc-products-wrap .home-product-title, .pc-applications-wrap .home-application-title {
    font-size: 20px;
    font-weight: bold;
    height: 45px;
    line-height: 22px;
    transition: .3s;
}
.pc-products-wrap .home-product-desc, .pc-applications-wrap .home-application-desc {
    margin-top: 5px;
    transition: .3s;
}
.pc-products-wrap .home-product-item-btn, .pc-applications-wrap .home-application-item-btn {
    height: 40px;
    font-size: 16px;
}
.pc-products-wrap .swipe-slide a:hover, .pc-applications-wrap .swipe-slide a:hover {
    box-shadow: 1px 1px 20px 1px rgba(0, 0, 0, 0.1);
}
.pc-products-wrap .swipe-slide a:hover .home-product-image, .pc-applications-wrap .swipe-slide a:hover .home-application-image {
    transform: scale(1.03);
}
.pc-products-wrap .swipe-slide a:hover .home-product-title, .pc-applications-wrap .swipe-slide a:hover .home-application-title {
    color: var(--bg-color-acce);
}
.pc-products-wrap .swipe-slide a:hover .home-product-desc, .pc-applications-wrap .swipe-slide a:hover .home-application-desc {
    color: var(--bg-color);
}
.pc-products-wrap .swipe-slide a:hover .home-product-item-btn, .pc-applications-wrap .swipe-slide a:hover .home-application-item-btn {
    background: var(--bg-color-acce);
}

.about-us-info-wrap {
    display: flex;
    margin: 40px 14vw 0 14vw;
    padding: 0 10px;
}
.about-us-iframe-wrap {
    width: 34vw;
    height: 23vw;
    margin-right: 2vw;
    padding-top: 20px;
}
.about-us-iframe-wrap video {
    border-radius: 8px;
}
.about-us-desc-wrap {
    flex: 1;
}
.about-us-desc-wrap h2 {
    margin: 10px 0;
    font-size: 25px;
}
.about-us-desc-wrap p {
    color: var(--text-color-lt2);
}
.about-us-btn {
    height: 45px;
    margin-top: 20px;
    width: auto;
    padding: 0 15px;
}
.about-us-btn:hover, .contact-us-btn:hover {
    background: var(--bg-color-acce);
}
.certificates-icon-wrap {
    display: flex;
    justify-content: center;
    user-select: none;
    flex-wrap: wrap;
    margin: 20px 26vw 30px 26vw;
}
.certificates-icon-wrap > li {
    width: 10%;
}
.certificates-icon-wrap > li > a {
    display: block;
    padding: 8%;
}
.certificates-icon-wrap > li > a > img {
    width: 100%;
    transition: .3s all;
}
.certificates-icon-wrap:hover > li > a > img {
    opacity: .4;
    filter: grayscale(100%);
}
.certificates-icon-wrap > li > a:hover > img {
    transform: scale(1.06);
    opacity: 1;
    filter: none;
}

.contact-us-info-wrap {
    width: 100%;
    height: 30vw;
    overflow: hidden;
    margin-top: 40px;
    background: rgba(0, 0, 0, 0.4);
}
.contact-us-info-wrap video {
    width: 100%;
    height: 100%;
}
.contact-us-info-desc {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.contact-us-info-desc h2 {
    font-size: 2.5vw;
    line-height: 2.8vw;
    width: 40%;
    text-align: center;
}
.contact-us-info-desc p {
    margin: 15px 5vw;
    text-align: center;
}
.contact-us-btn {
    height: 45px;
    padding: 0 15px;
}

.our-strengths-info-wrap {
    padding: 34px 5vw 54px 5vw;
    background: var(--dark-bg);
}
.about-us-our-strengths-wrap {
    display: flex;
    margin: 30px 14vw 20px 14vw;
}
.about-us-our-strengths-wrap li {
    width: 25%;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 26px;
    max-width: 1400px;
    margin: 28px auto 0 auto;

}

.strength-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    padding: 32px 26px;
    border: 1px solid var(--border-color-lt2);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.09);
}

.strength-card .icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    margin-bottom: 18px;
}

.strength-card .icon-box img {
    height: 54px;
    margin-bottom: 0;
}

.strength-card p {
    margin: 0;
    font-size: 14px;
    line-height: 24px;
    color: var(--text-color-drak3);
}

/* ===================== Latest News 新闻列表 ===================== */
.latest-news-wrap {
    padding: 25px 0 55px 0;
}
.latest-news-wrap .top-h2 {
    margin-bottom: 0;
}
.latest-news-wrap .top-h2::after {
    content: "";
    display: block;
    width: 54px;
    height: 3px;
    margin: 14px auto 0;
    border-radius: 3px;
    background: var(--bg-color);
}
.news-info-wrap-box {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 28px 14vw 0 14vw;
}
.news-info-item {
    position: relative;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.news-info-item:hover {
    background: #fff;
    border-color: rgba(81, 174, 94, .45);
    transform: translateY(-4px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .09);
}
.news-info-item > a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    overflow: hidden;
}
/* 悬浮时右侧出现的箭头 */
.news-info-item > a::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 16px;
    width: 7px;
    height: 7px;
    border-top: 2px solid var(--bg-color);
    border-right: 2px solid var(--bg-color);
    transform: translate(-6px, -50%) rotate(45deg);
    opacity: 0;
    transition: transform .28s, opacity .28s;
    pointer-events: none;
}
.news-info-item:hover > a::after {
    opacity: 1;
    transform: translate(0, -50%) rotate(45deg);
}
.new-info-item-desc {
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px 18px 18px;
    box-sizing: border-box;
}
/* 日期胶囊 */
.new-left-time {
    flex: 0 0 auto;
    width: 64px;
    padding: 10px 2px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
    text-align: center;
    border-radius: 8px;
    background: var(--bg-color-opacity);
    transition: background .3s, color .3s;
}
.new-left-time::after {
    display: none;
}
.new-left-time-d {
    font-size: 28px;
    line-height: 1.1;
    font-weight: 700;
    color: var(--bg-color-acce);
    transition: color .3s;
}
.new-left-time-y-m {
    margin-top: 5px;
    font-size: 12px;
    line-height: 1;
    color: var(--text-color-light2);
    transition: color .3s;
}
.news-info-item:hover .new-left-time {
    background: var(--bg-color);
}
.news-info-item:hover .new-left-time-d,
.news-info-item:hover .new-left-time-y-m {
    color: #fff;
}
.new-info-item-text-wrap {
    flex: 1 1 auto;
    min-width: 0;
    padding-right: 12px;
}
.new-info-item-title {
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 48px;
    font-size: 17px;
    line-height: 24px;
    font-weight: 600;
    color: var(--text-color-drak2);
    transition: color .25s;
}
.news-info-item:hover .new-info-item-title {
    color: var(--bg-color-acce);
}
.new-info-item-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 8px 0 0 0;
    min-height: 40px;
    font-size: 13px;
    line-height: 20px;
    color: var(--text-color-drak3);
}

.about-strengths {
    padding: 20px 10% 80px 10%;
    background: var(--dark-bg);
}

@media (max-width: 1400px) {
    .pc-products-wrap .swipe-slide, .pc-applications-wrap .swipe-slide {
        width: calc(50%);
    }
}
@media (max-width: 980px) {
    .images {
        height: 48vw;
    }
    .top-h2 {
        font-size: 25px;
        margin: 0 0 10px 0;
    }
    .hero-text h1 {
        font-size: 24px;
    }
    .hero-sub {
        font-size: 14px;
    }
    .hero-text .section-description,
    .hero-text .hero-sub,
    .hero-text p:last-of-type {
        font-size: 14px;
        line-height: 24px;
    }
    .stats-bar {
        padding: 22px 0;
        margin-top: 4px;
    }
    .stat-item {
        flex: 0 0 50%;
        min-width: 0;
        padding: 10px 8px;
    }
    .stat-item + .stat-item {
        border-left: none;
    }
    .stat-number {
        font-size: 30px;
    }
    .stat-label {
        font-size: 12px;
    }
    .section-description {
        padding: 0 20px;
        font-size: 14px;
        line-height: 24px;
    }
    .pc-products-wrap, .pc-applications-wrap {
        display: none;
        visibility: hidden;
    }
    .mobile-products-wrap, .mobile-applications-wrap {
        display: block;
        visibility: visible;
    }
    .home-product-wrap, .home-application-wrap {
        padding: 10px 0;
    }
    .home-product-wrap .swipe-slide, .home-application-wrap .swipe-slide {
        width: calc(50% - 15px);
        padding: 7px;
        transform: translateX(15px);
    }
    .home-product-title, .home-application-title {
        margin-top: 12px;
    }
    .mobile-products-wrap .swipe-slide a, .mobile-applications-wrap .swipe-slide a {
        padding: 12px;
        border: 1px solid var(--border-color-lt);
    }

    .about-us-info-wrap {
        display: block;
        margin: 30px 5vw 0 5vw;
    }
    .about-us-iframe-wrap {
        width: 100%;
        height: auto;
        padding-top: 0;
    }
    .about-us-desc-wrap {
        width: 100%;
        margin-top: 20px;
    }
    .about-us-desc-wrap h2 {
        text-align: center;
        font-size: 18px;
    }
    .about-us-btn {
        margin: 15px auto;
        min-width: 0;
        font-size: 14px;
        height: 40px;
    }
    .certificates-icon-wrap {
        margin: 0 10vw 20px 10vw;
    }
    .certificates-icon-wrap > li  {
        width: 20%;
    }
    .certificates-icon-wrap > li > a > img {
        transition: none;
    }
    .certificates-icon-wrap:hover > li > a > img {
        opacity: 1;
        filter: none;
    }
    .certificates-icon-wrap > li > a:hover > img {
        transform: scale(1);
        opacity: 1;
        filter: none;
    }

    .contact-us-info-wrap {
        width: 100%;
        height: 50vw;
        margin-top: 0;
    }
    .contact-us-info-desc h2 {
        font-size: 5vw;
        line-height: 5vw;
        width: 80%;
    }
    .contact-us-info-desc p {
        margin: 2vw 1vw;
    }
    .contact-us-btn {
        height: 10vw;
        max-height: 45px;
        font-size: 14px;
    }

    .our-strengths-info-wrap {
        padding: 20px 5vw 30px 5vw;
    }
    .strengths-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
        margin-top: 20px;
    }
    .strength-card {
        padding: 24px 20px;
    }
    .strength-card .icon-box {
        height: 48px;
        margin-bottom: 12px;
    }
    .strength-card .icon-box img {
        height: 46px;
    }
    .strength-card p {
        font-size: 14px;
        line-height: 22px;
    }

    .latest-news-wrap {
        padding: 16px 0 32px 0;
    }
    .news-info-wrap-box {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
        margin: 18px 5vw 0 5vw;
    }
    .news-info-item:hover {
        transform: none;
        box-shadow: none;
        border-color: var(--border-color);
    }
    .news-info-item .new-info-item-desc {
        border-bottom: none;
        padding: 15px 14px;
        gap: 12px;
    }
    .news-info-item:last-child .new-info-item-desc {
        border-bottom: none;
    }
    .new-left-time {
        width: 58px;
        padding: 9px 2px;
    }
    .new-left-time::after {
        display: none;
    }
    .new-left-time-d {
        font-size: 24px;
    }
    .new-left-time-y-m {
        margin-top: 4px;
        font-size: 12px;
    }
    .new-info-item-text-wrap {
        padding-right: 6px;
    }
    .new-info-item-title {
        min-height: 0;
        font-size: 16px;
        line-height: 22px;
    }
    .new-info-item-description {
        min-height: 0;
        margin-top: 6px;
        font-size: 13px;
        line-height: 19px;
    }
    .news-info-item > a::after {
        right: 10px;
        width: 6px;
        height: 6px;
    }
}
/* 平板：竖屏手机之上恢复两列，避免单列卡片过宽留白 */
@media (min-width: 768px) and (max-width: 980px) {
    .news-info-wrap-box {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
        margin: 20px 4vw 0 4vw;
    }
    .latest-news-wrap {
        padding: 20px 0 40px 0;
    }
    .new-left-time {
        width: 58px;
    }
    .new-left-time-d {
        font-size: 24px;
    }
    .new-info-item-title {
        font-size: 15px;
        line-height: 21px;
        min-height: 42px;
    }
    .new-info-item-description {
        min-height: 36px;
    }
}

/* 中小尺寸桌面：收窄左右留白，给标题更多空间 */
@media (min-width: 981px) and (max-width: 1280px) {
    .news-info-wrap-box {
        margin: 26px 6vw 0 6vw;
        gap: 16px;
    }
    .new-left-time {
        width: 60px;
    }
    .new-left-time-d {
        font-size: 26px;
    }
}