/* ========================= About Us Index Page Styles ========================= */

/* Banner Styles */
body > div.banner {
    width: 100%;
    overflow: hidden;
    position: relative;
}

body > div.banner img {
    width: 100%;
    height: auto;
    display: block;
}

body > div.banner .container {
    position: absolute;
    top: 0;
    left: 50%;
    height: 100%;
    transform: translateX(-50%);
}

body > div.banner .container .banner-text {
    position: absolute;
    top: 50%;
    left: 8vw;
    transform: translate(0%, -50%);
    color: #fff;
}

body > div.banner .container .banner-text .banner-title {
    font-size: 32px;
}

body > div.banner .container .banner-text .banner-subtitle {
    font-size: 20px;
}

/* Company Styles */
.company {
    position: relative;
    top: -53px;
    width: 100%;
    /* padding: 0px 0 0 8vw; */
}

/* Nav Container Styles */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    background-color: white;
    border-bottom: 1px solid #eee;
}

.nav-container .nav-breadcrumb {
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.nav-container .nav-breadcrumb img {
    width: 20px;
    margin-right: 5px;
}

.nav-container .nav-breadcrumb span {
    color: #333;
    margin-right: 5px;
}

.nav-container .nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-container .nav-links .nav-item a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    padding-bottom: 16px;
    transition: color 0.3s;
}

.nav-container .nav-links .nav-item.active a {
    color: #1d1f88;
    border-bottom: 2px solid #1d1f88;
}

/* Company Introduction Styles */
.company-introduction {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 0;
    /* background-color: #f2f3f5; */
}

.company-introduction .company-introduction-img {
    flex: 0 0 40%;
    /* max-width: 40%; */
    padding-right: 3vw;
    box-sizing: border-box;
    overflow: hidden;
}

.company-introduction .company-introduction-content {
    flex: 0 0 60%;
    /* max-width: 60%; */
    padding: 30px;
    padding-left: 3vw;
    box-sizing: border-box;
    text-align: left;
}

.company-introduction .company-introduction-content .company-introduction-title {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #29a7e1;
    text-align: center;
}

.company-introduction .company-introduction-content .company-introduction-text {
    font-size: 16px;
    line-height: 1.6;
    text-align: left;
}

.company-introduction .company-introduction-content .company-introduction-text p {
    margin-bottom: 20px;
}

.company-introduction .company-introduction-content .company-introduction-text p:last-child {
    margin-bottom: 0;
}

/* Company Advantage Styles */
.company-advantage {
    background-color: #f3f3f3;
    padding: 80px 0 100px;
    padding-left: 2vw;
    padding-right: 2vw;
}

.company-advantage .company-advantage-container {
    background-color: #f3f3f3;
}

.company-advantage .company-advantage-container .advantage-info {
    text-align: center;
    margin-bottom: 50px;
}

.company-advantage .company-advantage-container .advantage-info .advantage-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #29a7e1;
    text-align: center;
}

.company-advantage .company-advantage-container .advantage-info .advantage-title img {
    max-width: 60%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.company-advantage .company-advantage-container .advantage-info .advantage-description {
    font-size: 16px;
    line-height: 1.6;
    width: 100%;
    color: #666;
    font-weight: normal;
    margin-bottom: 0;
    text-align: left;
}

.company-advantage .company-advantage-container .advantage-description {
    font-size: 16px;
    line-height: 1.6;
    width: 100%;
    color: #666;
    font-weight: normal;
    margin-top: 50px;
    text-align: left;
}

.company-advantage .company-advantage-container .advantage-gallery {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 30px;
    width: 100%;
    margin: 0 auto;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-left-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
    flex: 1 1 0;
    min-width: 0;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-left-column .advantage-item {
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-left-column .advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-left-column .advantage-item img {
    width: 100%;
    height: auto;
    display: block;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-center-item {
    flex: 1.5 1 0;
    min-width: 0;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    overflow: hidden;
    display: flex;
    align-items: stretch;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-center-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-center-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-right-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
    flex: 1 1 0;
    min-width: 0;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-right-column .advantage-item {
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-right-column .advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.company-advantage .company-advantage-container .advantage-gallery .advantage-right-column .advantage-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Company Culture Styles */
.company-culture {
    background-image: url('/img/w_bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    display: flex;
    justify-content: space-between;
    height: 600px;
}

.company-culture .company-culture-item {
    width: 33.333333%;
    color: #fff;
    padding: 100px 150px 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background-color 1s ease;
}

.company-culture .company-culture-item .company-culture-item-title {
    text-align: center;
    font-size: 22px;
}

.company-culture .company-culture-item .company-culture-item-title-line {
    width: 30px;
    height: 2px;
    background-color: rgb(255 255 255 / 40%);
    margin: 15px auto 30px;
}

.company-culture .company-culture-item .company-culture-item-subtitle {
    text-align: center;
    font-size: 18px;
    margin-bottom: 30px;
}

.company-culture .company-culture-item .company-culture-item-text {
    font-size: 12px;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 1s ease, transform 1s ease;
    line-height: 24px;
}

.company-culture .company-culture-item .company-culture-item-number {
    text-align: center;
    font-size: 14px;
    margin-bottom: 10px;
    color: rgb(255 255 255 / 40%);
    transition: color 1s ease;
}

.company-culture .company-culture-item.active {
    background-color: rgb(29 31 136 / 70%);
}

.company-culture .company-culture-item.active .company-culture-item-text {
    opacity: 1;
    transform: translateY(0);
}

.company-culture .company-culture-item.active .company-culture-item-number {
    color: #fff;
}

/* Company Partner Styles */
#company-partner {
    background-color: #fff;
    padding: 80px 0 100px;
}

#company-partner .company-partner {
    background-color: #fff;
}

#company-partner .company-partner .partner-info {
    text-align: center;
    margin-bottom: 50px;
}

#company-partner .company-partner .partner-info .partner-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #29a7e1;
}

#company-partner .company-partner .partner-info .partner-description {
    font-size: 16px;
    line-height: 1.6;
    width: 100%;
    color: #666;
    font-weight: normal;
    margin-bottom: 0;
}

#company-partner .company-partner .partner-carousel-container {
    position: relative;
    padding: 0 167px; /* 箭头(40px) + 与图片间距(127px，与 gap 一致) */
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f0f0f0;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background-color 0.3s;
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow:hover {
    background-color: #e0e0e0;
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow img {
    width: 24px;
    height: 24px;
}

#company-partner .company-partner .partner-carousel-container .partner-logos {
    display: flex;
    overflow: hidden;
    scroll-behavior: smooth;
    gap: 127px; /* 4张时整体加宽：4*280 + 3*127 = 1501px */
    width: 1500px; /* 默认显示4个证书，整体组件宽度增加 */
    max-width: 1500px;
    margin: 0 auto;
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
    left: calc(50% - 750px - 167px); /* 箭头与图片距离 127px，与 gap 一致；167 = 40(箭头宽) + 127 */
}

#company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
    right: calc(50% - 750px - 167px);
}

/* 1920px 以下、1651px 以上：显示 4 张图片（4*280 + 3*60 = 1300px） */
@media screen and (max-width: 1920px) and (min-width: 1651px) {
    #company-partner .company-partner .partner-carousel-container {
        padding: 0 100px; /* 箭头(40) + 与图片间距(60) */
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos {
        width: min(1300px, calc(100vw - 280px)); /* 4 张卡片：4*280 + 3*60 = 1300 */
        max-width: 100%;
        gap: 60px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
        left: calc(50% - min(650px, (100vw - 280px) / 2) - 140px); /* 1300/2=650 */
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
        right: calc(50% - min(650px, (100vw - 280px) / 2) - 140px);
    }
}

/* 1650px 以下：显示 3 张图片（3*280 + 2*60 = 960px） */
@media screen and (max-width: 1650px) and (min-width: 769px) {
    #company-partner .company-partner .partner-carousel-container {
        padding: 0 100px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos {
        width: min(960px, calc(100vw - 280px)); /* 3 张：3*280 + 2*60 = 960 */
        max-width: 100%;
        gap: 60px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
        left: calc(50% - min(480px, (100vw - 280px) / 2) - 140px); /* 960/2=480 */
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
        right: calc(50% - min(480px, (100vw - 280px) / 2) - 140px);
    }
}

/* 1400px 以下仍为 3 张，缩小卡片与间距（3*240 + 2*40 = 800px） */
@media screen and (max-width: 1400px) and (min-width: 769px) {
    #company-partner .company-partner .partner-carousel-container {
        padding: 0 70px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos {
        width: min(800px, calc(100vw - 220px)); /* 3 张：3*240 + 2*40 = 800 */
        gap: 40px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
        left: calc(50% - min(400px, (100vw - 220px) / 2) - 110px); /* 800/2=400 */
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
        right: calc(50% - min(400px, (100vw - 220px) / 2) - 110px);
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo {
        width: 240px;
    }
}

/* 大于1920px分辨率时显示5个卡片 */
@media screen and (min-width: 1921px) {
    #company-partner .company-partner .partner-carousel-container .partner-logos {
        width: 1640px; /* 精确显示5个证书：5 * 280px + 4 * 60px gap = 1640px */
        max-width: 1640px;
        gap: 60px;
    }
    
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
        left: calc(50% - 820px - 100px); /* 箭头与图片距离 60px，与 gap 一致；100 = 40(箭头宽) + 60 */
    }
    
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
        right: calc(50% - 820px - 100px);
    }
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo {
    flex: 0 0 auto;
    width: 280px;
    background-color: #fff;
    text-align: center;
    cursor: pointer;
    overflow: hidden; /* 图片缩放时在卡片内裁剪，不遮挡下方文字 */
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo:hover {
    z-index: 5;
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
    display: block;
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo:hover img {
    transform: scale(1.1); /* 只缩放图片，文字始终在下方可见 */
    transform-origin: center top; /* 从顶部缩放，不压住下方文字 */
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo .certificate-caption {
    font-size: 14px;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

#company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo:hover .certificate-caption {
    color: #29a7e1;
}

/* Global Styles */
html {
    font-size: 100px;
}

img {
    border: none;
    display: block;
    max-width: 100%;
}

/* Media Queries */
@media screen and (min-width: 1200px) {
    .container {
        width: 100%;
        /* padding: 0px 8vw; */
    }
}

@media screen and (min-width: 992px) {
    .container {
        width: 100%;
        /* padding: 0px 8vw; */
    }
    .company {
        width: 100%;
        /* padding: 0px 0 0 8vw; */
    }
}

@media screen and (max-width: 1800px) {
    html {
        font-size: 95px;
    }
}

@media screen and (max-width: 1700px) {
    html {
        font-size: 90px;
    }
}

@media screen and (max-width: 1600px) {
    html {
        font-size: 85px;
    }
}

@media screen and (max-width: 1500px) {
    html {
        font-size: 80px;
    }
}

@media screen and (max-width: 1400px) {
    html {
        font-size: 75px;
    }
}

@media screen and (max-width: 1300px) {
    html {
        font-size: 70px;
    }
}

@media screen and (max-width: 768px) {
    #company-partner {
        padding: 40px 15px 50px;
    }
    #company-partner .company-partner .partner-info {
        margin-bottom: 25px;
        padding: 0 10px;
    }
    #company-partner .company-partner .partner-info .partner-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    #company-partner .company-partner .partner-info .partner-title img {
        height: auto;
        display: block;
        margin: 0 auto;
    }
    #company-partner .company-partner .partner-info .partner-title img[src="/images/Bt_01.png"] {
        max-width: 85% !important;
    }
    #company-partner .company-partner .partner-info .partner-title img[src="/images/Bt_02.png"] {
        max-width: 85% !important;
    }
    #company-partner .company-partner .partner-info .partner-title img[src="/images/Bt_03.png"] {
        max-width: 85% !important;
    }
    #company-partner .company-partner .partner-info .partner-title img[src="/images/Bt_04.png"] {
        max-width: 85% !important;
    }
    #company-partner .company-partner .partner-info .partner-description {
        font-size: 13px;
        line-height: 1.5;
        width: 100%;
        padding: 0 5px;
    }
    #company-partner .company-partner .partner-carousel-container {
        padding: 0 45px; /* 箭头(30px) + 与图片间距(15px，与 gap 一致) */
        position: relative;
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow {
        width: 30px;
        height: 30px;
        background-color: rgba(240, 240, 240, 0.9);
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-left {
        left: calc((100% - 84%) / 2 - 45px); /* 箭头与图片距离 15px，与 gap 一致；45 = 30 + 15 */
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow.arrow-right {
        right: calc((100% - 84%) / 2 - 45px);
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow svg {
        width: 18px;
        height: 18px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-carousel-arrow path {
        stroke-width: 2.5;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos {
        width: 100%;
        max-width: 84%;
        gap: 15px;
        padding: 0;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        scroll-padding: 15px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos::-webkit-scrollbar {
        display: none;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo {
        width: min(calc(100vw - 120px), 320px);
        min-width: 280px;
        scroll-snap-align: start;
        padding: 0;
        flex-shrink: 0;
        box-sizing: border-box;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo img {
        margin-bottom: 12px;
    }
    #company-partner .company-partner .partner-carousel-container .partner-logos .partner-logo .certificate-caption {
        font-size: 12px;
        line-height: 1.4;
        padding: 0;
    }
    .company {
        top: 0 !important;
    }
    .company-introduction {
        flex-direction: column;
        padding: 20px 15px 0;
    }
    .company-introduction .company-introduction-img {
        width: 100%;
    }
    .company-introduction .company-introduction-content {
        padding-bottom: 0;
        padding-left: 0;
    }
    .company-culture {
        flex-direction: column;
        height: auto;
    }
    .company-culture .company-culture-item {
        width: 100%;
        padding: 40px 20px;
    }
    .company-culture .company-culture-item .company-culture-item-title-line {
        margin: 10px auto;
    }
    .company-culture .company-culture-item .company-culture-item-text {
        font-size: 12px;
        text-align: center;
        opacity: 1;
        transform: translateY(0px);
    }
    .company-culture .company-culture-item .company-culture-item-number {
        display: none;
    }
    .company-advantage {
        padding: 40px 15px 50px;
    }
    .company-advantage .company-advantage-container .advantage-info {
        margin-bottom: 30px;
        padding: 0 10px;
    }
    .company-advantage .company-advantage-container .advantage-info .advantage-title {
        font-size: 24px;
        margin-bottom: 12px;
        text-align: center;
    }
    .company-advantage .company-advantage-container .advantage-info .advantage-title img {
        max-width: 60%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .company-advantage .company-advantage-container .advantage-info .advantage-title img[src="/images/Bt_05.png"] {
        max-width: 85% !important;
    }
    .company-advantage .company-advantage-container .advantage-info .advantage-description {
        font-size: 13px;
        line-height: 1.5;
        width: 100%;
        padding: 0 5px;
    }
    .company-advantage .company-advantage-container .advantage-gallery {
        flex-direction: column;
        gap: 20px;
    }
    .company-advantage .company-advantage-container .advantage-gallery .advantage-left-column {
        width: 100%;
        gap: 15px;
    }
    .company-advantage .company-advantage-container .advantage-gallery .advantage-left-column .advantage-item {
        width: 100%;
        max-width: 100%;
    }
    .company-advantage .company-advantage-container .advantage-gallery .advantage-center-item {
        width: 100%;
        max-width: 100%;
        order: -1;
    }
    .company-advantage .company-advantage-container .advantage-gallery .advantage-right-column {
        width: 100%;
        gap: 15px;
    }
    .company-advantage .company-advantage-container .advantage-gallery .advantage-right-column .advantage-item {
        width: 100%;
        max-width: 100%;
    }
    .nav-container {
        padding: 15px;
        width: 90%;
        margin: 0 auto;
        /* padding-left: 8vw; */
    }
    .nav-container .nav-links {
        display: flex;
        justify-content: space-evenly;
        align-items: center;
        width: 100%;
    }
    .nav-container .nav-links .nav-item a {
        font-size: 10px;
    }
    .nav-container .nav-links .nav-item.active a {
        border: 0 none;
    }
    .nav-container .nav-breadcrumb {
        display: none;
    }
    .banner .container {
        width: 100%;
    }
    .banner .container .banner-text {
        left: 30px;
    }
    body {
        background-color: #f2f3f5;
    }
    /* 修复 footer 版权信息字体大小 - 覆盖 footer-index.css 中的 rem 单位 */
    .footer__copy {
        font-size: 12px !important;
    }
}

/* News Hero Section */
.news-hero-section1 {
    background-image: url(/img/11.jpg) !important;
}

/* 统一的图片标题样式 - 适用于所有标题图片 */
.advantage-title,
.partner-title {
    text-align: center !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.advantage-title img,
.partner-title img {
    width: auto !important;
    height: auto !important;
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-top: 0 !important;
    margin-bottom: 17px !important;
    border: none !important;
}

/* 为每个图片标题单独设置宽度 */
.advantage-title img[src="/images/Bt_05.png"] {
    max-width: 24% !important;
}

.partner-title img[src="/images/Bt_01.png"] {
    max-width: 21% !important;
}

.partner-title img[src="/images/Bt_02.png"] {
    max-width: 22% !important;
}

.partner-title img[src="/images/Bt_03.png"] {
    max-width: 17% !important;
}

.partner-title img[src="/images/Bt_04.png"] {
    max-width: 17% !important;
}