/* 2026 官网文字化升级。所有尺寸对应设计稿的 1920px 画布。 */
.lc-section, .lc-footer {
    font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
}

.lc-section {
    position: relative;
    width: 1920px;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: 1920px 100%;
}

.lc-section h1, .lc-section h2, .lc-section h3, .lc-section p {
    margin: 0;
}

.lc-section a {
    color: inherit;
}

.lc-section h2 {
    font-size: 36px;
    line-height: 50px;
    font-weight: 700;
}

#solutions, #applications, #platform, #education-data, #company, #qualifications, #team {
    scroll-margin-top: 80px;
}

.lc-home-hero {
    height: 720px;
    background-image: url('../images/upgrade/home/banner.png');
}

.lc-home-hero .lc-eyebrow {
    position: absolute;
    left: 274px;
    top: 245px;
    font-size: 30px;
    line-height: 42px;
    font-weight: 700;
    color: #333;
}

.lc-home-hero h1 {
    position: absolute;
    left: 274px;
    top: 303px;
    font-size: 40px;
    line-height: 54px;
    font-weight: 700;
    color: #202020;
    white-space: nowrap;
}

.lc-home-hero .lc-intro {
    position: absolute;
    left: 275px;
    top: 396px;
    width: 580px;
    color: #333;
    font-size: 16px;
    line-height: 24px;
}

.lc-core {
    height: 664px;
    color: #fff;
    background-image: url('../images/upgrade/home/core.png');
}

.lc-core h2 {
    position: absolute;
    top: 82px;
    width: 100%;
    text-align: center;
}

.lc-core-item {
    position: absolute;
    text-align: center;
}

.lc-core-item img {
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto 14px;
}

.lc-core-item h3 {
    font-size: 24px;
    line-height: 34px;
    font-weight: 500;
}

.lc-core-item p {
    font-size: 14px;
    line-height: 21px;
    margin-top: 9px;
}

.lc-core-data {
    left: 241px;
    top: 272px;
    width: 240px;
}

.lc-core-app {
    left: 579px;
    top: 208px;
    width: 320px;
}

.lc-core-platform {
    left: 980px;
    top: 291px;
    width: 330px;
}

.lc-core-ai {
    left: 1425px;
    top: 192px;
    width: 240px;
}

.lc-core .lc-core-note {
    position: absolute;
    left: 240px;
    top: 566px;
    width: 1440px;
    font-size: 16px;
    line-height: 24px;
}

.lc-featured {
    height: 580px;
    background: #fff;
}

.lc-featured h2 {
    position: absolute;
    top: 82px;
    width: 100%;
    text-align: center;
    color: #202020;
}

.lc-featured .lc-subtitle {
    position: absolute;
    top: 146px;
    width: 100%;
    font-size: 20px;
    line-height: 30px;
    text-align: center;
    color: #999;
}

.lc-featured-grid {
    position: absolute;
    left: 250px;
    top: 268px;
    display: grid;
    grid-template-columns: repeat(4, 340px);
    gap: 20px;
}

.lc-featured-card {
    display: flex;
    align-items: center;
    height: 84px;
    padding: 8px 25px;
    border: 1px solid #ebebeb;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, .05);
    color: #222;
}

.lc-featured-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    flex: none;
    margin-right: 22px;
}

.lc-featured-card span {
    font-size: 20px;
    line-height: 27px;
    font-weight: 500;
}

.home > .block {
    min-height: 628px;
}

.lc-home-schools {
    margin-top: 10px;
    margin-bottom: 184px;
}

.lc-home-national {
    margin-bottom: 86px;
}

.lc-product-hero {
    height: 890px;
    color: #fff;
    background-image: url('../images/upgrade/product/banner.png');
}

.lc-product-hero h1 {
    position: absolute;
    left: 378px;
    top: 309px;
    font-size: 48px;
    line-height: 56px;
}

.lc-product-hero p {
    position: absolute;
    left: 378px;
    top: 470px;
    width: 390px;
    font-size: 24px;
    line-height: 38px;
}

.lc-solutions {
    height: 695px;
    background: #f3f5f8;
    color: #333;
}

.lc-solutions h2 {
    position: absolute;
    top: 28px;
    width: 100%;
    text-align: center;
}

.lc-title-rule::after {
    content: '';
    position: absolute;
    left: calc(50% - 90px);
    bottom: -10px;
    width: 180px;
    height: 5px;
    border-radius: 3px;
    background: linear-gradient(to right, #e2e2e2 60px, #409eff 60px, #409eff 120px, #e2e2e2 120px);
}

.lc-solutions .lc-policy {
    position: absolute;
    left: 365px;
    top: 127px;
    width: 1190px;
    text-indent: 2em;
    font-size: 14px;
    line-height: 21px;
    color: #999;
}

.lc-solution-grid {
    position: absolute;
    left: 313px;
    top: 228px;
    display: flex;
    gap: 50px;
}

.lc-solution-card {
    position: relative;
    width: 622px;
    height: 395px;
    background: #fff;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 16px 35px rgba(59, 111, 191, .05);
}

.lc-solution-card img {
    position: absolute;
    top: 15px;
    left: 261px;
    width: 100px;
    height: 100px;
}

.lc-solution-card::after {
    content: '';
    position: absolute;
    top: 132px;
    left: 288px;
    width: 46px;
    height: 3px;
    background: #bfbfbf;
}

.lc-solution-card h3 {
    position: absolute;
    top: 163px;
    width: 100%;
    font-size: 36px;
    line-height: 50px;
    font-weight: 400;
}

.lc-solution-card p {
    position: absolute;
    top: 263px;
    left: 45px;
    width: 532px;
    font-size: 24px;
    line-height: 35px;
    letter-spacing: 1px;
    font-weight: 500;
    color: #888;
}

.lc-applications {
    height: 800px;
    color: #fff;
    background-image: url('../images/upgrade/product/applications.png');
}

.lc-applications h2 {
    position: absolute;
    top: 48px;
    width: 100%;
    text-align: center;
    font-size: 48px;
    line-height: 67px;
}

.lc-applications .lc-app-subtitle {
    position: absolute;
    top: 137px;
    width: 100%;
    text-align: center;
    font-size: 20px;
    line-height: 30px;
}

.lc-applications .lc-app-note {
    position: absolute;
    top: 704px;
    left: 242px;
    width: 1425px;
    font-size: 16px;
    line-height: 24px;
}

.lc-platform {
    height: 1000px;
    color: #444;
    background-image: url('../images/upgrade/product/platform.png');
}

.lc-platform h2 {
    position: absolute;
    top: 39px;
    width: 100%;
    text-align: center;
    font-size: 42px;
    line-height: 60px;
}

.lc-platform .lc-platform-intro {
    position: absolute;
    top: 132px;
    left: 486px;
    width: 960px;
    font-size: 20px;
    line-height: 30px;
    color: #999;
}

.lc-platform-list {
    position: absolute;
    left: 980px;
    top: 292px;
}

.lc-platform-list li {
    height: 118px;
}

.lc-platform-list h3 {
    font-size: 28px;
    line-height: 40px;
    color: #409eff;
}

.lc-platform-list p {
    margin: 8px 0 0 26px;
    font-size: 20px;
    line-height: 30px;
    color: #666;
}

.lc-market {
    height: 880px;
    background-image: url('../images/upgrade/case/market.png');
}

.lc-market-list {
    position: absolute;
    left: 1129px;
    top: 280px;
    width: 560px;
}

.lc-market-list li {
    display: flex;
    align-items: flex-start;
    min-height: 120px;
    gap: 24px;
}

.lc-market-list img {
    width: 64px;
    height: 64px;
    flex: none;
}

.lc-market-list p {
    padding-top: 1px;
    font-size: 24px;
    line-height: 35px;
    font-weight: 500;
    color: #333;
}

.lc-market-list em {
    color: #377aff;
    font-style: normal;
}

.lc-cases {
    min-height: 760px;
    padding: 30px 300px 106px;
    background: #fff;
}

.lc-cases h2 {
    text-align: center;
    color: #202020;
}

.lc-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 630px);
    gap: 50px 60px;
    margin-top: 83px;
}

.lc-case-card {
    display: flex;
    align-items: center;
    min-height: 220px;
    padding: 24px 28px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 3px 30px rgba(0, 0, 0, .09);
}

.lc-case-card > div {
    flex: 1;
    min-width: 0;
    overflow-wrap: break-word;
}

.lc-case-card > img {
    flex: none;
    width: 160px;
    height: 160px;
    object-fit: contain;
    margin-right: 22px;
}

.lc-case-card h3 {
    margin-bottom: 21px;
    font-size: 20px;
    line-height: 30px;
    font-weight: 500;
    color: #111;
}

.lc-case-card p, .lc-case-card .lc-case-content {
    font-size: 14px;
    line-height: 20px;
    color: #777;
}

.lc-service-title {
    height: 170px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lc-service-title h2 {
    font-size: 48px;
    line-height: 67px;
    color: #444;
}

.lc-process {
    height: 800px;
    background-image: url('../images/upgrade/skill/process.png');
}

.lc-process h2 {
    position: absolute;
    top: 144px;
    width: 100%;
    text-align: center;
    font-size: 36px;
    line-height: 50px;
    color: #4865ff;
}

.lc-process-step {
    position: absolute;
    top: 566px;
    width: 250px;
    color: #000;
}

.lc-process-step h3 {
    font-size: 22px;
    line-height: 32px;
    text-align: center;
    font-weight: 500;
}

.lc-process-step p {
    margin: 18px 30px 0;
    font-size: 14px;
    line-height: 21px;
    color: #666;
}

.lc-contact {
    height: 800px;
    background: #fff;
}

.lc-contact-photo {
    position: absolute;
    left: 240px;
    top: 120px;
    width: 530px;
    height: 528px;
}

.lc-contact h2 {
    position: absolute;
    left: 845px;
    top: 170px;
    font-weight: 400;
    color: #333;
}

.lc-contact h2::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 5px;
    width: 6px;
    height: 38px;
    border-radius: 3px;
    background: #377aff;
}

.lc-contact-list {
    position: absolute;
    left: 855px;
    top: 270px;
}

.lc-contact-row {
    display: flex;
    align-items: flex-start;
    height: 72px;
    gap: 28px;
    font-size: 24px;
    line-height: 36px;
    color: #666;
}

.lc-contact-row > img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.lc-contact-row .lc-contact-value {
    margin-left: 20px;
    color: #333;
    font-weight: 700;
}

.lc-contact-row:last-child {
    padding-top: 10px;
}

.lc-contact-row .lc-contact-qr {
    width: 134px;
    height: 135px;
    margin-left: 17px;
}

.lc-hotline {
    position: absolute;
    left: 1293px;
    top: 270px;
}

.lc-hotline-label {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 24px;
    line-height: 40px;
    color: #666;
}

.lc-hotline-label img {
    width: 40px;
    height: 40px;
}

.lc-hotline a {
    display: block;
    margin: 16px 0 0 68px;
    font-size: 42px;
    line-height: 54px;
    font-weight: 700;
    color: #377aff;
}

.lc-partners {
    height: 840px;
    color: #fff;
    background-image: url('../images/upgrade/partner/ecosystem.png');
}

.lc-partners .lc-partner-number {
    position: absolute;
    left: 240px;
    top: 260px;
    font-size: 96px;
    line-height: 134px;
    font-weight: 700;
    background: linear-gradient(110deg, #f000ad, #8a00ff);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.lc-partners h2 {
    position: absolute;
    left: 240px;
    top: 399px;
    font-size: 72px;
    line-height: 100px;
    white-space: nowrap;
}

.lc-partners .lc-partner-intro {
    position: absolute;
    left: 240px;
    top: 505px;
    width: 460px;
    font-size: 16px;
    line-height: 24px;
}

.lc-company {
    height: 530px;
    color: #666;
    background: #fff;
}

.lc-company h2 {
    position: absolute;
    top: 75px;
    width: 100%;
    text-align: center;
    font-size: 48px;
    line-height: 67px;
    color: #444;
}

.lc-company-copy {
    position: absolute;
    left: 416px;
    top: 198px;
    width: 1088px;
    font-size: 18px;
    line-height: 26px;
    font-weight: 500;
}

.lc-company-copy p {
    text-indent: 2em;
    margin-bottom: 26px;
}

/* 共用页脚单独命名，避免覆盖原有新闻及详情页的业务样式。 */
.lc-footer {
    height: 360px;
    background: #252525;
    color: #999;
}

.lc-footer-main {
    position: relative;
    width: 1340px;
    height: 280px;
    margin: 0 auto;
    padding-top: 40px;
    display: flex;
}

.lc-footer-column {
    width: 212px;
}

.lc-footer-column:nth-child(2) {
    width: 240px;
}

.lc-footer-column:nth-child(3) {
    width: 230px;
}

.lc-footer-column h2 {
    position: relative;
    margin: 0 0 29px;
    font-size: 16px;
    line-height: 24px;
    font-weight: 400;
    color: #fff;
}

.lc-footer-column h2::after {
    content: '';
    position: absolute;
    top: 34px;
    left: -2px;
    width: 109px;
    height: 4px;
    border-radius: 2px;
    background: #377aff;
}

.lc-footer-column a {
    display: block;
    font-size: 14px;
    line-height: 29px;
    color: #999;
}

.lc-footer-column a:hover {
    color: #fff;
}

.lc-footer-contact {
    width: 350px;
    padding-left: 0;
    padding-right: 48px;
}

.lc-footer-contact li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 19px;
    font-size: 14px;
    line-height: 21px;
}

.lc-footer-contact li img {
    position: absolute;
    left: 0;
    top: 10px;
    width: 20px;
    height: 20px;
}

.lc-footer-contact h2 {
    margin: 0 0 3px;
    color: #fff;
    font-size: 16px;
    line-height: 24px;
    font-weight: 400;
}

.lc-footer-contact a {
    color: #999;
}

.lc-footer-qrs {
    display: flex;
    gap: 40px;
    padding-left: 0;
}

.lc-footer-qrs img {
    width: 134px;
    height: 135px;
}

.lc-footer-qrs p {
    margin-top: 12px;
    text-align: center;
    font-size: 16px;
    line-height: 24px;
    color: #fff;
}

.lc-footer-bottom {
    height: 80px;
    border-top: 1px solid #303030;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    font-size: 14px;
    line-height: 22px;
}

.lc-footer-bottom a {
    color: #999;
}