/* 全局重置 & 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

button {
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

/* 汉堡菜单样式 - 移动端新增 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 1000;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

nav {
    min-height: 80px;
    background: #F7FCFF;
    color: #333;
    padding: 20px 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-logo {
    width: 74px;
    height: 30px;
    margin-right: 40px;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.nav-links a {
    color: #333;
    display: flex;
    align-items: center;
    font-size: 16px;
    padding: 4px 0;
    max-width: 130px;
    border-bottom: 2px solid transparent;
    text-align: center;
    word-break: break-all;
}

.nav-links a:hover {
    color: #348AF2;
}

.nav-links a.active {
    color: #095BBF;
    font-weight: bold;
    border-bottom: 2px solid #007bff;
}

.nav-contact {
    width: 80px;
    height: 32px;
    background: #0E6ADA;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: #ffffff !important;
}

.nav-contact:hover {
    background: #348AF2;
}

.nav-lang {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #999999;
    position: relative;
}

.nav-lang-flex {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.icon-lang {
    width: 16px;
    height: 16px;
    background: url('https://resource.hpti.net/hpt-foreign-website/images/language-icon.png') no-repeat center;
    background-size: contain;
}

.icon-down {
    width: 16px;
    height: 16px;
    background: url('https://resource.hpti.net/hpt-foreign-website/images/down.png') no-repeat center;
    background-size: contain;
}

#languageId:hover>div:nth-child(1) {
    background-image: url('https://resource.hpti.net/hpt-foreign-website/images/language-icon-hover.png');
}

#languageId:hover>div:nth-child(3) {
    background-image: url('https://resource.hpti.net/hpt-foreign-website/images/down-hover.png');
}

#languageId:hover>div:nth-child(2) {
    color: #333333;
}

.water-drop {
    width: 50px;
    height: 38px;
    position: absolute;
    right: 50px;
}

.lang-dropdown {
    position: absolute;
    top: 110%;
    left: 0;
    background-color: #ffffff;
    padding: 12px 18px;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    display: none;
    z-index: 999;
    text-align: center;
}

.lang-option {
    padding: 8px 0;
    cursor: pointer;
    font-size: 14px;
    color: #999999;
}

.lang-option:hover {
    color: #333333;
}

/* Banner区域 */
.banner {
    width: 100%;
    height: 660px;
    position: relative;
    background: linear-gradient(91deg, #F6FBFE 0%, #C3DCFA 100%);
}

.research-icon {
    width: 880px;
    height: 100%;
    position: absolute;
    left: 0;
}

.research-icon1 {
    width: 910px;
    height: 540px;
    position: absolute;
    right: 0;
    top: 60px;
    z-index: 99;
}

.banner-box {
    width: 995px;
    height: 330px;
    padding: 40px 0 88px 140px;
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon2.png");
    background-size: cover;
    background-position: center;
    position: absolute;
    left: 215px;
    top: 170px;
    z-index: 98;
}

.banner-item {
    position: absolute;
    left: 355px;
    top: 230px;
    z-index: 100;
}

.banner-title {
    font-weight: bold;
    font-size: 48px;
    color: #333333;
}

.banner-text {
    font-size: 24px;
    color: #999999;
    margin-top: 32px;
}

/* 能力 */
.capabilities {
    width: 100%;
    padding: 100px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #EFF3FF 100%);
}

.capabilities-item {
    display: flex;
    justify-content: center;
    align-items: center;
}

.capabilities-left {
    border-radius: 24px;
    border: 4px solid rgba(14, 106, 218, 0.5);
    position: relative;
    width: 622px;
    height: 410px;
}

.capabilities-right {
    margin-left: 72px;
    width: 40%;
}

.carousel {
    width: 100%;
    height: 100%;
    position: absolute;
    margin: 0 auto;
    overflow: hidden;
    top: 20px;
    left: 20px;
}

.carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out;
    z-index: 0;
}

.carousel-img.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.carousel-dots {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
}

/* 指示点默认样式 */
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(14, 106, 218, 0.19);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

/* 指示点激活状态样式 */
.dot.active {
    background-color: #0E6ADA;
    transform: scale(1.2);
}

.capabilities-right_title {
    font-weight: bold;
    font-size: 36px;
    color: #0E6ADA;
}

.capabilities-right_text {
    font-size: 20px;
    color: #506F94;
    margin-top: 20px;
    margin-bottom: 36px;
}

.capabilities-flex {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.research-icon5 {
    width: 20px;
    height: 20px;
}

.capabilities-mintext {
    font-size: 16px;
    color: #506F94;
    margin-left: 6px;
}

.capabilities-mintext_blue {
    font-size: 16px;
    color: #0E6ADA;
}

.research-icon6 {
    width: 20px;
    height: 20px;
    margin-left: 8px;
}

.capabilities-block {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 100px;
}

.capabilities-content {
    width: 384px;
    height: 264px;
    padding: 32px 20px 32px 32px;
    background: #FFFFFF;
    box-shadow: 0px 0px 8px 0px rgba(185, 199, 255, 0.5);
    border-radius: 24px;
    cursor: pointer;
}

.de-capabilities-content {
    height: 300px;
}

.ru-capabilities-content {
    height: 350px;
}

.research-icon7 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon7.png");
    background-size: cover;
    background-position: center;
    width: 40px;
    height: 40px;
}

.research-icon8 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon8.png");
    background-size: cover;
    background-position: center;
    width: 40px;
    height: 40px;
}

.research-icon9 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon9.png");
    background-size: cover;
    background-position: center;
    width: 40px;
    height: 40px;
}

.capabilities-content_title {
    font-weight: bold;
    font-size: 24px;
    color: #333333;
    margin-top: 20px;
}

.capabilities-content_text {
    font-size: 16px;
    color: #666666;
    margin-top: 20px;
}

.capabilities-content:hover {
    background: #0E6ADA;
    box-shadow: 0px 0px 8px 0px rgba(185, 199, 255, 0.5);
}

.capabilities-content:hover .research-icon7 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon7-hover.png");
}

.capabilities-content:hover .research-icon8 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon8-hover.png");
}

.capabilities-content:hover .research-icon9 {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon9-hover.png");
}

.capabilities-content:hover .capabilities-content_title {
    color: #FFFFFF;
}

.capabilities-content:hover .capabilities-content_text {
    color: #FFFFFF;
}

/* 地球 */
.earth {
    width: 100%;
    padding: 18px 178px 18px 360px;
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-icon10.png");
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.earth-title {
    font-weight: bold;
    font-size: 48px;
    background-image: -webkit-linear-gradient(0deg, #89E7FF 0%, #FFFFFF 52%, #89E7FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.earth-text {
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    margin-top: 36px;
}

.research-icon11 {
    width: 464px;
    height: 464px;
}

/* 解决方案 */
.across {
    width: 100%;
    padding: 100px 0;
    background: #FFFFFF;
    overflow: hidden;
}

.scroll-title {
    font-weight: bold;
    font-size: 36px;
    color: #333333;
    margin-left: 360px;
}

.scroll-text {
    font-size: 24px;
    color: #999999;
    margin-top: 20px;
    margin-left: 360px;
}

.across-box_flex {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    margin-top: 100px;
}

.across-box {
    width: 1400px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.across-left {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-left.png");
    background-size: cover;
    background-position: center;
    width: 60px;
    height: 60px;
    cursor: pointer;
    flex-shrink: 0;
    z-index: 10;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.across-left:hover {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-left-hover.png");
}

/* 轮播容器优化 */
.across-flex {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 360px;
    position: relative;
    margin: 0 auto;
}

/* 轮播项优化 */
.carousel-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.5s ease;
    transform-origin: center;
    z-index: 1;
}

/* 左侧和右侧的小图样式 */
.carousel-item.prev {
    transform: translateX(-350px) scale(0.8);
    opacity: 0.7;
    z-index: 2;
}

.carousel-item.next {
    transform: translateX(350px) scale(0.8);
    opacity: 0.7;
    z-index: 2;
}

/* 中间的激活大图样式 */
.carousel-item.active {
    transform: translateX(0) scale(1);
    opacity: 1;
    z-index: 3;
}

/* 更远的项目隐藏 */
.carousel-item.far-left,
.carousel-item.far-right {
    opacity: 0.3;
    transform: scale(0.6);
    pointer-events: none;
    z-index: 1;
}

.carousel-item.far-left {
    transform: translateX(-350px) scale(0.6);
}

.carousel-item.far-right {
    transform: translateX(350px) scale(0.6);
}

/* 图片样式优化 */
.carousel-item .research-icon12 {
    width: 390px;
    height: 252px;
    object-fit: cover;
    display: block;
    transition: all 0.5s ease;
    border-radius: 12px;
}

.carousel-item .research-icon12-active {
    width: 488px;
    height: 360px;
    object-fit: cover;
    display: none;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 激活状态显示大图 */
.carousel-item.active .research-icon12 {
    display: none;
}

.carousel-item.active .research-icon12-active {
    display: block;
}

/* 小图显示小图 */
.carousel-item.prev .research-icon12,
.carousel-item.next .research-icon12 {
    display: block;
}

.carousel-item.prev .research-icon12-active,
.carousel-item.next .research-icon12-active {
    display: none;
}

/* 描述文本样式 */
.across-item {
    width: 488px;
    background: linear-gradient(135deg, #756851, #8a7a5c);
    padding: 24px 32px;
    border-radius: 0 0 24px 24px;
    color: white;
    text-align: center;
    font-size: 16px;
    line-height: 1.6;
    display: none;
    margin-top: -4px;
    position: relative;
    z-index: 2;
    box-shadow: 0 5px 20px rgba(117, 104, 81, 0.2);
    min-height: 100px;
}

.carousel-item.active .across-item {
    display: block;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 小图的描述文本隐藏 */
.carousel-item.prev .across-item,
.carousel-item.next .across-item {
    display: none;
}

/* 右侧箭头 */
.across-right {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-right.png");
    background-size: cover;
    background-position: center;
    width: 60px;
    height: 60px;
    cursor: pointer;
    flex-shrink: 0;
    z-index: 10;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.across-right:hover {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/research-right-hover.png");
}

/* 指示点样式 */
.across-dot {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 60px;
    gap: 20px;
}

.dot-item {
    width: 12px;
    height: 12px;
    background: rgba(117, 104, 81, 0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot-item-active {
    width: 36px;
    background: #756851;
    border-radius: 6px;
}

.dot-item:hover {
    background: rgba(117, 104, 81, 0.5);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .across-box {
        width: 100%;
        padding: 0 60px;
    }

    .scroll-title,
    .scroll-text {
        margin-left: 60px;
        margin-right: 60px;
    }
}

@media (max-width: 768px) {
    .across {
        padding: 60px 0;
    }

    .scroll-title {
        font-size: 28px;
        margin-left: 20px;
        margin-right: 20px;
    }

    .scroll-text {
        font-size: 18px;
        margin-left: 20px;
        margin-right: 20px;
    }

    .across-box {
        padding: 0 80px;
    }

    .across-flex {
        height: 300px;
    }

    .carousel-item.prev {
        transform: translateX(-120px) scale(0.8);
    }

    .carousel-item.next {
        transform: translateX(120px) scale(0.8);
    }

    .carousel-item.far-left {
        transform: translateX(-220px) scale(0.6);
    }

    .carousel-item.far-right {
        transform: translateX(220px) scale(0.6);
    }

    .carousel-item .research-icon12 {
        width: 220px;
        height: 150px;
    }

    .carousel-item .research-icon12-active {
        width: 360px;
        height: 265px;
    }

    .across-item {
        width: 360px;
        padding: 20px;
        font-size: 14px;
    }

    .across-left,
    .across-right {
        width: 50px;
        height: 50px;
        position: absolute;
        transform: translateY(-50%);
    }

    .across-left {
        left: 20px;
    }

    .across-right {
        right: 20px;
    }
}

@media (max-width: 480px) {
    .across-box {
        padding: 0 60px;
    }

    .carousel-item.prev {
        transform: translateX(-80px) scale(0.8);
    }

    .carousel-item.next {
        transform: translateX(80px) scale(0.8);
    }

    .carousel-item.far-left {
        transform: translateX(-160px) scale(0.6);
    }

    .carousel-item.far-right {
        transform: translateX(160px) scale(0.6);
    }

    .carousel-item .research-icon12 {
        width: 180px;
        height: 120px;
    }

    .carousel-item .research-icon12-active {
        width: 280px;
        height: 200px;
    }

    .across-item {
        width: 280px;
        padding: 16px;
        font-size: 13px;
    }
}

/* 数据 */
.data {
    width: 100%;
    padding: 0 210px;
    background: #0E6ADA;
}

.data-bg {
    background-image: url("https://resource.hpti.net/hpt-foreign-website/images/research/data-points.png");
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 560px;
    padding: 100px 215px;
}

.data-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}

.data-title {
    font-weight: bold;
    font-size: 36px;
    color: #FFFFFF;
}

.data-sub {
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    margin-top: 20px;
}

.data-text {
    font-size: 16px;
    color: #FFFFFF;
    margin-top: 20px;
}

.data-sign {
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    text-align: center;
    margin-top: 60px;
}

.btn-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 258px;
    height: 80px;
    background: #FFFFFF;
    border-radius: 20px;
    font-weight: bold;
    font-size: 24px;
    color: #0E6ADA;
}

/* 页脚 */
footer {
    background: #022045;
    color: #ffffff;
    padding: 40px 120px 20px 120px;
}

.footer-container {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #808FA2;
    padding-bottom: 40px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-logo {
    width: 74px;
    height: 30px;
}

.footer-brand {
    width: 20%;
    min-width: 250px;
}

.footer-brand .footer-introduce {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 12px;
    line-height: 2;
}

.footer-links-column {
    width: 20%;
    min-width: 200px;
}

.footer-links-column .footer-links-title {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
}

.footer-links-column ul {
    list-style: none;
}

.footer-links-column li {
    margin-bottom: 16px;
}

.footer-links-column a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links-column a:hover {
    color: #ffffff;
}

.footer-contact {
    width: 15%;
    min-width: 150px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social img {
    width: 37px;
    height: 37px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.footer-social img[src$="linkedin.png"]:hover {
    content: url('https://resource.hpti.net/hpt-foreign-website/images/linkedin-hover.png');
}

.footer-social img[src$="facebook.png"]:hover {
    content: url('https://resource.hpti.net/hpt-foreign-website/images/facebook-hover.png');
}

.footer-social img[src$="youtube.png"]:hover {
    content: url('https://resource.hpti.net/hpt-foreign-website/images/youtube-hover.png');
}

.footer-social img[src$="Twitter.png"]:hover {
    content: url('https://resource.hpti.net/hpt-foreign-website/images/Twitter-hover.png');
}

.fil {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

.reserved {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 8px;
    text-align: center;
}

/* Cookie提示 */
.cookie-notice {
    background: #333333;
    padding: 20px 120px;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cookie-notice .cookie-title {
    width: 70%;
    font-weight: bold;
    font-size: 14px;
    color: #FFFFFF;
}

.cookie-notice button {
    width: 148px;
    height: 48px;
    background: #0E6ADA;
    border-radius: 12px;
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
}

.cookie-notice button:hover {
    background: #0056b3;
}

.cookie-notice .cookie-blue {
    color: #0E6ADA;
    text-decoration: underline;
    cursor: pointer;
}

/* 侧边联系/返回顶部 */
.relation-box {
    position: fixed;
    right: 20px;
    top: 40%;
    width: 68px;
    background: #0E6ADA;
    box-shadow: 0px 0px 4px 2px rgba(87, 147, 220, 0.5);
    border-radius: 8px;
    z-index: 1000;
    text-align: center;
    /* padding: 10px 0; */
    cursor: pointer;
    word-break: break-all;
}

.relation-item {
    padding: 10px 0;
}

.relation-item:hover,
.goup-box:hover {
    background: #348AF2;
}

.relation-box img {
    width: 32px;
    height: 32px;
}

.relation-box .relation-line {
    width: 100%;
    height: 1px;
    background: #4C98F5;
}

.relation-box .relation-text {
    font-size: 14px;
    color: #FFFFFF;
    margin-top: 7px;
}

.goup-box {
    padding: 18px;
    position: fixed;
    right: 20px;
    top: 60%;
    text-align: center;
    cursor: pointer;
    background: #0E6ADA;
    box-shadow: 0px 0px 4px 2px rgba(87, 147, 220, 0.5);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.goup-box img {
    width: 32px;
    height: 32px;
}

/* ====================================== */
/* 响应式布局 - 大屏平板 (1200px以下) */
/* ====================================== */
@media (max-width: 1200px) {
    nav {
        padding: 20px 60px;
    }

    footer {
        padding: 40px 60px 20px;
    }

    .cookie-notice {
        padding: 20px 60px;
    }
}

/* ====================================== */
/* 响应式布局 - 平板/手机（768px以下） */
/* ====================================== */
@media (max-width: 768px) {

    /* 导航栏重构 - 汉堡菜单 */
    .hamburger {
        display: flex;
    }

    nav {
        flex-direction: row;
        padding: 15px 5vw;
        min-height: 70px;
    }

    .nav-logo {
        margin-right: 0;
        margin-bottom: 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 250px;
        background-color: #F7FCFF;
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 998;
        padding: 20px;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 18px;
        max-width: 100%;
        padding: 10px 0;
        justify-content: center;
    }

    .water-drop {
        display: none;
    }

    .nav-lang {
        margin-top: 0;
        margin-left: 15px;
    }

    .lang-dropdown {
        width: 100px;
        top: -28vh;
    }

    /* Banner适配 */
    .banner {
        height: 380px;
        background: linear-gradient(91deg, #F6FBFE 0%, #D7E9FA 100%);
    }

    .research-icon,
    .research-icon1 {
        display: none;
        /* 隐藏大屏装饰图，避免移动端错乱 */
    }

    .banner-box {
        width: 90%;
        height: 220px;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        padding: 20px;
        background-size: contain;
        background-repeat: no-repeat;
    }

    .banner-item {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        text-align: center;
    }

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

    .banner-text {
        font-size: 16px;
        margin-top: 16px;
    }

    /* 2. 能力区域移动端适配 */
    .capabilities {
        padding: 60px 5vw;
    }

    .capabilities-item {
        flex-direction: column;
        gap: 40px;
    }

    .capabilities-left {
        width: 90%;
        height: 280px;
    }

    .capabilities-right {
        width: 90%;
        margin-left: 0;
    }

    .capabilities-right_title {
        font-size: 24px;
    }

    .capabilities-right_text {
        font-size: 16px;
        margin-top: 12px;
        margin-bottom: 24px;
    }

    .capabilities-block {
        flex-direction: column;
        gap: 24px;
        margin-top: 60px;
    }

    .capabilities-content {
        width: 90%;
        height: auto;
        padding: 24px 16px;
    }

    /* 3. 地球区域移动端适配 */
    .earth {
        padding: 40px 5vw;
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .earth-title {
        font-size: 28px;
    }

    .earth-text {
        font-size: 16px;
        margin-top: 16px;
    }

    .research-icon11 {
        width: 280px;
        height: 280px;
    }

    /* 4. 数据区域移动端适配 */
    .data {
        padding: 0 5vw;
    }

    .data-bg {
        height: auto;
        padding: 60px 5vw;
        background-size: cover;
        background-repeat: no-repeat;
    }

    .data-flex {
        flex-direction: column;
        gap: 40px;
    }

    .data-title {
        font-size: 32px;
    }

    .data-sub {
        font-size: 20px;
    }

    .data-sign {
        font-size: 20px;
        margin-top: 40px;
    }

    .btn {
        width: 200px;
        height: 60px;
        font-size: 20px;
    }

    /* 页脚适配 */
    footer {
        padding: 40px 5vw 20px;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
        align-items: center;
        text-align: center;
    }

    .footer-brand,
    .footer-links-column,
    .footer-contact {
        width: 100%;
        min-width: auto;
    }

    .footer-social {
        justify-content: center;
    }

    /* Cookie提示适配 */
    .cookie-notice {
        padding: 15px 5vw;
        flex-direction: column;
        align-items: center;
    }

    .cookie-notice .cookie-title {
        width: 100%;
        font-size: 13px;
        margin-bottom: 10px;
        text-align: center;
    }

    .cookie-notice button {
        width: 100%;
        height: 40px;
        font-size: 16px;
    }

    /* 侧边栏适配 */
    .relation-box {
        width: 60px;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
    }

    .relation-box img {
        width: 24px;
        height: 24px;
    }

    .relation-text {
        font-size: 12px !important;
    }

    .goup-box {
        width: 60px;
        height: 60px;
        padding: 8px;
        right: 10px;
        top: calc(50% + 100px);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .goup-box img {
        width: 24px;
        height: 24px;
    }
}

/* ====================================== */
/* 小屏手机额外适配（480px以下） */
/* ====================================== */
@media (max-width: 480px) {
    .banner-box {
        display: none;
    }

    .banner-title {
        font-size: 24px;
    }

    .earth-title {
        font-size: 16px;
    }

    .earth-text {
        font-size: 14px;
    }

    .scroll-title {
        font-size: 24px;
    }

    .data-title {
        font-size: 28px;
    }

    .btn {
        width: 160px;
        height: 50px;
        font-size: 15px;
    }

    /* 2. 轮播区域进一步适配小屏 */
    .across-flex {
        height: 260px;
    }

    .carousel-item .research-icon12-active {
        width: 260px;
        height: 180px;
    }

    .across-item {
        width: 260px;
        padding: 12px;
        font-size: 12px;
        min-height: 80px;
    }

    .capabilities-right {
        margin-top: 20px;
    }
}