* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: #ffffff;
    color: #333;
    line-height: 1.8;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e8eef4;
    padding: 0 40px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-link {
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    color: #444;
    transition: color 0.2s ease;
    position: relative;
    padding: 20px 0;
}

.nav-link:hover,
.nav-link.active {
    color: #1a5fa8;
}

.nav-link.active::after,
.nav-link::after {
    content: "";
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: #1a5fa8;
    transition: width 0.3s ease;
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 24px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #1a5fa8;
    cursor: pointer;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    color: #1a5fa8;
    letter-spacing: 1px;
}

.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 60px 80px;
}

/* ===== 产品 / 应用场景 / 联系我们 页面 ===== */
.page-section {
    padding: 100px 60px;
}

.page-section-alt {
    background-color: #f8fafc;
}

.page-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 60px 80px;
}

.page-main-alt {
    padding: 100px 60px 80px;
    background-color: #f8fafc;
    min-height: calc(100vh - 300px);
}

.page-content {
    max-width: 1100px;
    margin: 0 auto;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    padding: 32px 24px;
    border: 1px solid #e8eef4;
    transition: all 0.3s ease;
}

.page-section-alt .product-card {
    background: #fff;
}

.product-card:hover {
    border-color: #1a5fa8;
    box-shadow: 0 6px 20px rgba(26, 95, 168, 0.12);
    transform: translateY(-4px);
}

.product-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a5fa8;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

/* 应用场景 */
.scene-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.scene-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: #fff;
    border-radius: 10px;
    padding: 28px 30px;
    border-left: 5px solid #1a5fa8;
}

.scene-number {
    font-size: 28px;
    font-weight: 700;
    color: #1a5fa8;
    flex-shrink: 0;
    min-width: 48px;
}

.scene-name {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.scene-detail {
    font-size: 14px;
    color: #555;
    line-height: 1.7;
}

/* 联系我们 */
.contact-wrapper {
    display: flex;
    gap: 60px;
    align-items: center;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-label {
    font-weight: 600;
    color: #1a5fa8;
    min-width: 72px;
    flex-shrink: 0;
    font-size: 15px;
}

.contact-value {
    color: #444;
    font-size: 14px;
    line-height: 1.7;
}

.contact-qr {
    flex-shrink: 0;
}

.qr-box {
    width: 160px;
    height: 160px;
    border: 2px solid #e8eef4;
    border-radius: 12px;
    overflow: hidden;
    padding: 6px;
}

.qr-img,
.footer-qr-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ===== 页脚 ===== */
.footer {
    background: linear-gradient(135deg, #0b4a82 0%, #06335a 50%, #082f52 100%);
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: -60px;
    left: 0;
    right: 0;
    height: 120px;
    background: #ffffff;
    clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}

.footer-top {
    padding: 70px 60px 40px;
    text-align: center;
    position: relative;
}

.footer-brand-area {
    max-width: 800px;
    margin: 0 auto;
}

.footer-company {
    font-size: 26px;
    font-weight: 700;
    color: #1a5fa8;
    margin-bottom: 6px;
}

.footer-company-en {
    font-size: 13px;
    color: #5a9fd4;
    margin-bottom: 20px;
}

.footer-slogan {
    font-size: 16px;
    color: #1a5fa8;
    font-weight: 500;
    letter-spacing: 2px;
}

.footer-slogan-en {
    font-size: 13px;
    color: #5a9fd4;
    margin-top: 4px;
}

.footer-bottom {
    background: linear-gradient(135deg, #073a63 0%, #042340 100%);
    padding: 40px 60px;
}

.footer-info {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.footer-left {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.75);
}

.footer-left strong {
    color: #fff;
    font-size: 14px;
}

.footer-center {
    flex-shrink: 0;
}

.footer-qr-box {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 10px;
    padding: 8px;
}

.footer-right {
    text-align: right;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
}

.footer-right strong {
    color: #fff;
    font-size: 14px;
    display: block;
    margin-bottom: 4px;
}

.title-en {
    font-size: 48px;
    font-weight: 700;
    color: #1a5fa8;
    letter-spacing: 2px;
}

.title-zh {
    font-size: 32px;
    font-weight: 500;
    color: #1a5fa8;
    margin-top: 8px;
}

.title-divider {
    width: 100%;
    height: 2px;
    background-color: #1a5fa8;
    margin-top: 16px;
    margin-bottom: 50px;
}

.content-wrapper {
    display: flex;
    gap: 50px;
    align-items: flex-start;
    position: relative;
}

.image-container {
    flex-shrink: 0;
}

.building-image {
    width: 280px;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.text-container {
    flex: 1;
    align-self: stretch;
    position: relative;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: #1a5fa8;
    border-radius: 50%;
    flex-shrink: 0;
}

.highlight-text {
    font-size: 18px;
    font-weight: 600;
    color: #1a5fa8;
    line-height: 1.6;
}

.desc-text {
    font-size: 15px;
    color: #444;
    line-height: 2;
    margin-bottom: 6px;
    text-align: justify;
}

.desc-text-en {
    font-size: 14px;
    color: #666;
    line-height: 2;
    margin-bottom: 6px;
    text-align: justify;
}

.footer-brand {
    position: absolute;
    right: 0;
    bottom: 0;
    font-size: 42px;
    font-weight: 700;
    color: #e8eef5;
    letter-spacing: 4px;
    user-select: none;
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 20px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid #e8eef4;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        gap: 8px;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 10px 0;
        font-size: 16px;
    }

    .menu-toggle {
        display: block;
    }

    .main-content,
    .page-section,
    .page-main,
    .page-main-alt {
        padding: 80px 24px 50px;
    }

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

    .title-zh {
        font-size: 22px;
    }

    .content-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .building-image {
        width: 100%;
        max-width: 320px;
    }

    .footer-brand {
        font-size: 28px;
    }

    /* 第二部分响应式 */
    .positioning-section {
        margin-top: 60px;
    }

    .position-cards {
        flex-direction: column;
    }

    .service-tags {
        gap: 10px;
    }

    /* 第三部分响应式 */
    .cap-data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .cap-data-card {
        padding: 24px 16px;
    }

    .cap-data-num {
        font-size: 28px;
    }

    .cap-list-item {
        flex-direction: column;
        gap: 12px;
    }

    .cap-list-num {
        font-size: 24px;
    }

    /* 产品架构图 响应式 */
    .arch-row {
        grid-template-columns: 1fr;
    }

    .arch-label {
        border-right: none;
        border-bottom: 1px solid #d4e3f0;
        padding: 10px 16px;
        text-align: center;
    }

    .arch-content,
    .arch-content-full {
        justify-content: center;
        text-align: center;
        padding: 12px 16px;
    }

    .arch-row-products {
        align-items: flex-start;
    }

    .arch-products-content {
        flex-direction: column;
        width: 100%;
    }

    .arch-prod-group {
        width: 100%;
        min-width: auto;
    }

    .arch-cards-2col {
        grid-template-columns: repeat(2, 1fr);
    }

    .arch-cards-3col {
        grid-template-columns: repeat(2, 1fr);
    }

    .arch-tags-row,
    .arch-btn-grid {
        justify-content: center;
    }

    .arch-btn-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .arch-btn-grid-5col {
        grid-template-columns: repeat(3, 1fr);
    }

    .arch-base-grid {
        flex-direction: column;
    }

    .arch-base-item {
        border-right: none !important;
        border-bottom: 1px solid #d4e3f0;
        padding: 12px 16px;
    }

    .arch-base-item:last-child {
        border-bottom: none;
    }

    /* 产品/场景/联系 响应式 */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .scene-item {
        flex-direction: column;
        gap: 12px;
    }

    .contact-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    /* 页脚响应式 */
    .footer-top {
        padding: 50px 24px 30px;
    }

    .footer-company {
        font-size: 20px;
    }

    .footer-bottom {
        padding: 30px 24px;
    }

    .footer-info {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .footer-right {
        text-align: center;
    }
}

/* ========== 第二部分：公司定位与优势 ========== */

.positioning-section {
    margin-top: 80px;
}

.banner-image-wrapper {
    width: 100%;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 40px;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.section-block {
    margin-bottom: 40px;
}

.section-title-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.section-title-text {
    font-size: 20px;
    font-weight: 700;
    color: #1a5fa8;
}

/* 发展定位 - 三卡片 */
.position-cards {
    display: flex;
    gap: 20px;
}

.pos-card {
    flex: 1;
    text-align: center;
}

.pos-card-header {
    background-color: #1a5fa8;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 6px 6px 0 0;
    letter-spacing: 1px;
}

.pos-card-body {
    background-color: #f2f4f8;
    color: #444;
    font-size: 14px;
    line-height: 1.7;
    padding: 18px 16px;
    border-radius: 0 0 6px 6px;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 资源优势 - 列表 */
.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.adv-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.adv-number {
    font-size: 20px;
    font-weight: 700;
    color: #1a5fa8;
    flex-shrink: 0;
    min-width: 36px;
}

.adv-content {
    flex: 1;
}

.adv-title {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.adv-desc {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

/* 服务领域 - 标签 */
.service-tags {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.service-tag {
    background-color: #1a5fa8;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    padding: 14px 24px;
    border-radius: 6px;
    letter-spacing: 2px;
    transition: background-color 0.2s ease;
}

.service-tag:hover {
    background-color: #154a87;
}

/* ========== 第三部分：业务范围及主要能力 ========== */

.capability-section {
    margin-top: 80px;
    padding-top: 20px;
}

/* 数据展示区 - 简洁四列 */
.cap-data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.cap-data-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 32px 20px;
    text-align: center;
    border: 1px solid #e8eef4;
    transition: all 0.3s ease;
}

.cap-data-card:hover {
    border-color: #1a5fa8;
    box-shadow: 0 4px 16px rgba(26, 95, 168, 0.1);
}

.cap-data-num {
    font-size: 36px;
    font-weight: 700;
    color: #1a5fa8;
    line-height: 1.2;
}

.cap-data-num span {
    font-size: 18px;
    font-weight: 600;
}

.cap-data-sub {
    font-size: 15px;
    color: #333;
    margin-top: 4px;
}

.cap-data-divider {
    width: 100%;
    height: 1px;
    background-color: #1a5fa8;
    margin: 12px 0;
}

.cap-data-label {
    font-size: 13px;
    color: #666;
}

/* 能力列表 - 与前两部分一致的编号风格 */
.cap-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cap-list-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

.cap-list-num {
    font-size: 28px;
    font-weight: 700;
    color: #1a5fa8;
    flex-shrink: 0;
    min-width: 48px;
    line-height: 1.2;
}

.cap-list-content {
    flex: 1;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8eef4;
}

.cap-list-item:last-child .cap-list-content {
    border-bottom: none;
}

.cap-list-title {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

/* ========== 产品架构图 ========== */

.arch-section {
    margin-top: 10px;
    border: 1px solid #d4e3f0;
    border-radius: 8px;
    overflow: hidden;
}

.arch-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    border-bottom: 1px solid #d4e3f0;
    min-height: 70px;
}

.arch-row:last-child {
    border-bottom: none;
}

.arch-row-full {
    grid-template-columns: 110px 1fr;
}

.arch-label {
    background-color: #e8f0fa;
    color: #1a5fa8;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    letter-spacing: 1px;
    border-right: 1px solid #d4e3f0;
}

.arch-content {
    display: flex;
    gap: 16px;
    padding: 14px 20px;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
}

.arch-content-full {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #1a5fa8;
    letter-spacing: 2px;
    padding: 12px 20px;
}

/* 应用场景 - 标签行 */
.arch-tags-row {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    width: 100%;
}

.arch-tag {
    font-size: 12px;
    color: #444;
    padding: 8px 12px;
    border: 1px solid #c5d6e8;
    border-radius: 4px;
    white-space: nowrap;
    background: #f8fbff;
    text-align: center;
}

/* 核心产品 - 子分组 */
.arch-row-products {
    align-items: stretch;
}

.arch-products-content {
    display: flex;
    gap: 16px;
    padding: 10px 20px;
    flex-wrap: nowrap;
    align-items: stretch;
}

.arch-prod-group {
    flex: 1;
    min-width: 280px;
    border: 2px dashed #b8cfe5;
    border-radius: 8px;
    padding: 10px 14px;
    background: #fdfdff;
    display: flex;
    flex-direction: column;
}

.arch-prod-label {
    font-size: 13px;
    font-weight: 600;
    color: #1a5fa8;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid #d4e3f0;
    flex-shrink: 0;
}

.arch-prod-cards {
    display: grid;
    gap: 8px;
    flex: 1;
}

.arch-cards-2col {
    grid-template-columns: repeat(2, 1fr);
}

.arch-cards-3col {
    grid-template-columns: repeat(3, 1fr);
}

.arch-card {
    font-size: 12px;
    color: #fff;
    background-color: #1a5fa8;
    padding: 12px 10px;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    width: 100%;
}

/* 服务支持 / 引擎支撑 - 按钮网格 */
.arch-btn-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    width: 100%;
}

.arch-btn-grid-5col {
    grid-template-columns: repeat(5, 1fr);
}

.arch-btn-card {
    font-size: 12px;
    color: #fff;
    background-color: #1a5fa8;
    padding: 12px 10px;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

/* 数据支撑 - 与应用场景一致的网格布局 */
.arch-data-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    padding: 14px 20px;
    align-items: center;
}

.arch-data-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.arch-data-box {
    height: 38px;
    background-color: #1a5fa8;
    color: #fff;
    border-radius: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    padding: 0 8px;
}

.arch-data-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a5fa8;
    transform: rotate(-90deg);
}

.arch-platform-tags {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.arch-pf-btn {
    font-size: 12px;
    color: #1a5fa8;
    border: 2px solid #1a5fa8;
    padding: 7px 14px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
    text-align: center;
}

.arch-pf-btn {
    font-size: 12px;
    color: #1a5fa8;
    border: 2px solid #1a5fa8;
    padding: 7px 14px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
}

/* 基础支撑 */
.arch-base-grid {
    display: flex;
    gap: 0;
    align-items: center;
}

.arch-base-item {
    flex: 1;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    padding: 14px 16px;
    border-right: 1px solid #d4e3f0;
}

.arch-base-item:last-child {
    border-right: none;
}
    font-size: 14px;
    color: #555;
    line-height: 1.8;
}

/* ========== 翻译系统介绍 ========== */

.ts-section {
    margin-top: 100px;
}

.ts-title-en {
    font-size: 42px;
    font-weight: 700;
    color: #1a5fa8;
    letter-spacing: 1px;
}

.ts-title-zh {
    font-size: 26px;
    font-weight: 500;
    color: #1a5fa8;
    margin-top: 6px;
}

.ts-divider {
    width: 100%;
    height: 2px;
    background-color: #1a5fa8;
    margin-top: 14px;
    margin-bottom: 40px;
}

/* 截图 */
.ts-screenshot {
    margin-bottom: 50px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.ts-img {
    width: 100%;
    height: auto;
    display: block;
}

/* 三模块流程 */
.ts-flow-wrapper {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.ts-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: stretch;
}

.ts-module {
    background: #fff;
    border: 2px solid #e0eaf4;
    border-radius: 16px;
    padding: 30px 24px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ts-module-center {
    padding-bottom: 24px;
}

.ts-module-last .ts-arrow {
    display: none;
}

/* 蓝色圆圈 */
.ts-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background-color: #1a5fa8;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 auto 20px;
}

.ts-circle-md {
    width: 110px;
    height: 110px;
}

.ts-circle-sm {
    width: 120px;
    height: 120px;
    font-size: 14px;
    margin-bottom: 20px;
}

/* 箭头容器 */
.ts-arrow-container {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    flex-shrink: 0;
    width: 40px;
}

/* 箭头图片 */
.ts-arrow-img {
    display: block;
    width: 30px;
}
    gap: 8px;
}

/* 箭头 */
.ts-arrow {
    position: absolute;
    right: -32px;
    top: 90px;
    width: 36px;
    height: 18px;
}

/* 模块1: 图标区 */
.ts-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 24px;
}

.ts-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.ts-icon-svg {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #f0f5fb;
    border: 2px solid #d4e3f0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.nmt-icon { background-image: url('img/NMT.png'); }
.llm-icon { background-image: url('img/LLM.png'); }
.cat-icon { background-image: url('img/CAT.png'); }

.ts-icon-item span {
    font-size: 13px;
    font-weight: 600;
    color: #333;
}

/* 模块2: 功能按钮 */
.ts-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    margin-top: 10px;
}

.ts-feature-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border: 2px solid #e0eaf4;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #444;
    background: #fff;
    min-width: 200px;
    justify-content: center;
    transition: all 0.2s ease;
}

.ts-feature-btn:hover {
    border-color: #1a5fa8;
    color: #1a5fa8;
}

.ts-ficon {
    font-size: 16px;
}

/* 模块3: 服务按钮 */
.ts-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 10px;
}

.ts-service-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid #e0eaf4;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #1a5fa8;
    background: #fff;
    justify-content: center;
    transition: all 0.2s ease;
}

.ts-service-btn:hover {
    border-color: #1a5fa8;
    background: #f0f7ff;
}

.ts-sicon {
    font-size: 16px;
}

/* 同传系统 */
.si-section {
    margin-top: 80px;
}

.si-title {
    color: #1a5fa8;
    font-size: 36px;
    font-weight: 700;
    text-align: left;
}

.si-subtitle {
    color: #1a5fa8;
    font-size: 24px;
    margin-top: 8px;
    border-bottom: 3px solid #1a5fa8;
    padding-bottom: 12px;
    text-align: left;
}

.si-content {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    align-items: stretch;
}

.si-left {
    width: 380px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.si-card {
    flex: 1;
}

.si-icons-row {
    margin-top: auto;
}

.si-card {
    background: linear-gradient(135deg, #2b7fc7, #1a5fa8);
    border-radius: 20px;
    padding: 20px 30px;
    color: #fff;
    text-align: center;
}

.si-card p {
    background: rgba(255,255,255,0.9);
    color: #1a5fa8;
    padding: 10px 15px;
    border-radius: 25px;
    font-size: 14px;
}

.si-icon-box {
    padding: 55px 0;
}

.si-neural-img {
    width: 75px;
    height: auto;
}

.si-icon-row {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 50px 0;
}

.si-icon-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.si-icon-label span {
    color: #fff;
    font-size: 14px;
}

.si-small-img {
    width: 75px;
    height: auto;
}

.si-icons-row {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

.si-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #fff;
}

.si-icon-item span {
    color: #fff;
    font-size: 14px;
}

.si-bottom-text {
    background: rgba(255,255,255,0.9);
    color: #1a5fa8;
    padding: 12px 15px;
    border-radius: 25px;
    text-align: center;
    font-size: 14px;
}

.si-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.si-feature-group {
    background: #f5f8fb;
    border-radius: 16px;
    padding: 25px 30px;
    border-left: 4px solid #4a9fd4;
    position: relative;
}

.si-bracket-wrapper {
    position: relative;
    padding-left: 60px;
}

.si-bracket-wrapper .si-list li:first-child {
    border-radius: 8px 8px 0 0;
}

.si-bracket-wrapper .si-list li:last-child {
    border-radius: 0 0 8px 8px;
}

.si-connector {
    position: absolute;
    left: -30px;
    top: 0;
    width: 60px;
    height: 100%;
}

.si-connector::before {
    content: '';
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 2px;
    background: #4a9fd4;
}

.si-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: 22px;
    width: 32px;
    height: calc(100% - 44px);
    border: 2px solid #4a9fd4;
    border-right: none;
    border-radius: 16px 0 0 16px;
}

.si-feature-group h4 {
    color: #1a5fa8;
    font-size: 18px;
    margin-bottom: 15px;
}

.si-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.si-list li {
    padding: 12px 15px;
    margin: 8px 0;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e0eaf4;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.si-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #1a5fa8;
    flex-shrink: 0;
}

.si-down-arrow {
    width: 30px;
    height: auto;
    margin-bottom: 10px;
}

.si-scenes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.si-scene-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.si-scene-item .si-scene-btn {
    margin-top: 0;
    width: 100%;
}

.si-scene-btn {
    background: #2b7fc7;
    color: #fff;
    padding: 15px 20px;
    text-align: center;
    border-radius: 10px;
    font-size: 16px;
}

.si-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.si-case-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-sizing: border-box;
}

/* 智能信息系统 */
.info-section {
    margin-top: 80px;
}

.info-content {
    position: relative;
    width: 600px;
    height: 500px;
    margin: 105px auto;
}

.info-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.info-center-circle {
    width: 140px;
    height: 140px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-target-img {
    width: 60px;
    height: auto;
}

.info-bg-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.info-hexagon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.info-hexagon-img {
    width: 780px;
    height: auto;
}

.info-cases {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.info-case-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

/* ========== 产品一览表 ========== */
.catalog-section {
    margin-top: 80px;
}

.catalog-table {
    width: 100%;
    border-collapse: collapse;
    border: 2px solid #1a5fa8;
}

.catalog-table thead tr {
    background-color: #1a5fa8;
}

.catalog-table th {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 12px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}

.catalog-table th:last-child {
    border-right: none;
}

.catalog-table tbody td {
    padding: 16px 12px;
    vertical-align: middle;
    text-align: left;
    border-bottom: 1px solid #e0eaf4;
    border-right: 1px solid #e0eaf4;
    font-size: 14px;
    color: #444;
    line-height: 1.7;
}

.catalog-table tbody tr:last-child td {
    border-bottom: none;
}

.cat-td-type {
    background-color: #f2f7fc;
    font-weight: 700;
    color: #1a5fa8;
    text-align: center;
    font-size: 15px;
    min-width: 90px;
    white-space: nowrap;
}

.cat-td-name {
    font-weight: 600;
    color: #333;
    white-space: nowrap;
    min-width: 110px;
}

.cat-td-feature {
    min-width: 150px;
}

.cat-td-scene span {
    display: inline-block;
}

.cat-td-img {
    text-align: center;
    width: 120px;
    background-color: #fafbfc;
}

.cat-product-img {
    width: 100%;
    max-width: 100px;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
}

/* ========== 应用场景页面 ========== */
.scene-section {
    margin-top: 10px;
}

.scene-title-en {
    font-size: 48px;
    font-weight: 700;
    color: #1a5fa8;
    letter-spacing: 2px;
}

.scene-title-zh {
    font-size: 32px;
    font-weight: 500;
    color: #1a5fa8;
    margin-top: 8px;
}

.scene-block {
    margin-top: 40px;
}

.scene-subtitle {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 24px;
}

.scene-dot {
    width: 14px;
    height: 14px;
    background-color: #1a5fa8;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 场景卡片 - 横向排列 */
.scene-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.scene-card-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(26, 95, 168, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scene-card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 24px rgba(26, 95, 168, 0.18);
}

.scene-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.scene-card-desc {
    padding: 18px 20px;
    font-size: 15px;
    color: #444;
    line-height: 1.7;
    text-align: justify;
}

/* 核心问题网格 */
.scene-problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.scene-problem-box {
    background: linear-gradient(135deg, #f0f7ff, #fff);
    border: 1px solid #d4e3f0;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scene-problem-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(26, 95, 168, 0.12);
}

.scene-problem-tag {
    background: linear-gradient(135deg, #2b7fc7, #1a5fa8);
    color: #fff;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 16px;
    letter-spacing: 1px;
}

.scene-problem-content {
    padding: 18px 20px;
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    min-height: 80px;
}

/* 问题配图占满格子 */
.scene-problem-img {
    background: none;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scene-problem-img-inner {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-radius: 12px;
}

/* 2列2行问题网格 */
.scene-problems-grid-2col {
    grid-template-columns: 1fr 1fr !important;
    grid-template-rows: auto auto;
}

/* ===== 展厅场景大图 ===== */
.scene-exhibition-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
    background: #1a5fa8;
    padding: 24px;
    border-radius: 12px;
}

.scene-exhibition-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 8px;
}

/* 单图大图 */
.scene-exhibition-single {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    background: #1a5fa8;
    padding: 24px;
    border-radius: 12px;
}

.scene-exhibition-single-img {
    width: 100%;
    max-width: 800px;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
}

/* 出海场景大图 */
.scene-overseas-img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 40px;
}

/* ===== 字幕同传场景（案例列表） ===== */
.scene-case-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.scene-case-item {
    display: grid;
    grid-template-columns: 2fr 1fr;
    align-items: stretch;
    border-radius: 8px;
    overflow: hidden;
}

/* 偶数行：文字2 图片1 */
.scene-case-item:nth-child(even) {
    grid-template-columns: 1fr 2fr;
}

.scene-case-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.scene-case-text {
    background: #f0f4f8;
    padding: 24px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    min-height: 200px;
}

.scene-case-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a5fa8;
    line-height: 1.6;
}

.scene-case-loc {
    font-size: 14px;
    color: #666;
}

/* ===== 合作愿景 ===== */
.vision-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.vision-item {
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}

.vision-num {
    font-size: 36px;
    font-weight: 700;
    color: #1a5fa8;
    line-height: 1.2;
    margin-bottom: 4px;
}

.vision-label {
    font-size: 22px;
    font-weight: 700;
    color: #1a5fa8;
    margin-left: 8px;
}

.vision-desc {
    font-size: 15px;
    color: #1a5fa8;
    margin-top: 6px;
    margin-bottom: 12px;
}

.vision-card {
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 16px 24px;
}

.vision-card-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.vision-card-text {
    font-size: 14px;
    color: #444;
    line-height: 1.8;
}

.vision-slogan {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #1a5fa8;
    margin-top: 30px;
    padding: 16px 0;
}

/* ===== 教育场景布局（左右布局） ===== */
.scene-edu-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
    align-items: start;
}

.scene-edu-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.scene-edu-main {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.scene-edu-main-img {
    flex: 1;
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    border-radius: 8px;
}

.scene-edu-sub-row {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
}

.scene-edu-sub-item {
    width: 100%;
}

.scene-edu-sub-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    border-radius: 8px;
}

/* 右侧窄图完整显示 */
.scene-edu-sub-narrow .scene-edu-sub-img {
    object-fit: contain;
    background: #f5f5f5;
}

.scene-edu-caption {
    background: #1a5fa8;
    color: #fff;
    text-align: center;
    padding: 10px 16px;
    font-size: 14px;
    margin-top: -4px;
    border-radius: 0 0 8px 8px;
}

/* 场景列表（展厅用列表而非卡片） */
.scene-list-row {
    margin-top: 16px;
}

.scene-list {
    list-style: none;
    padding: 0;
}

.scene-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 14px;
    font-size: 15px;
    line-height: 1.8;
    color: #444;
}

.scene-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: #1a5fa8;
    border-radius: 50%;
}