/* 全局样式 */
:root {
    --primary-color: #FF6B00;
    --text-color: #333333;
    --light-gray: #F5F5F5;
    --border-color: #E5E5E5;
    --white: #FFFFFF;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.5;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.subtitle {
    color: #666;
    font-size: 18px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #E65C00;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-item {
    color: var(--text-color);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-item:hover {
    color: var(--primary-color);
}

.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Banner样式 */
.banner {
    position: relative;
    width: 100%;
    height: 720px;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.banner.theme-dark::before {
    opacity: 1;
}

.banner-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.banner-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.banner-content.active {
    opacity: 1;
    transform: translateY(0);
}

.banner-text {
    width: 400px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.banner-logo {
    width: 138px;
    height: 40px;
    text-align: left;
}

.banner-logo img {
    width: auto;
    height: 40px;
    object-fit: contain;
}

.banner-titles h1 {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 600;
    font-size: 40px;
    line-height: 1.6;
    color: #FFFFFF;
    text-align: left;
    margin: 0;
}

.theme-dark .banner-titles h1 {
    color: #1A1A1A;
}

.banner-titles p {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    text-align: left;
    color: #fff;
    margin: 10px 0 0 0;
}

.theme-dark .banner-titles p {
    color: #1A1A1A;
}

.banner-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 10px 40px;
    border: 1px solid #fff;
    border-radius: 100px;
    text-decoration: none;
    width: fit-content;
    transition: all 0.3s ease;
}

.theme-dark .banner-button {
    border-color: #1A1A1A;
}

.banner-button span {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.6;
    color: #fff;
    transition: color 0.3s ease;
}

.theme-dark .banner-button span {
    color: #1A1A1A;
}

.banner-button:hover {
    background-color: #1A1A1A;
}

.theme-dark .banner-button:hover {
    background-color: #1A1A1A;
}

.banner-button:hover span {
    color: #1A1A1A;
}

.theme-dark .banner-button:hover span {
    color: #fff;
}

/* 轮播控制按钮 */
.banner-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
    pointer-events: none;
}

.banner-control {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.banner-control:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 进度条样式 */
.banner-progress {
    position: absolute;
    bottom: 40px;
    left: 0;
    width: 100%;
    padding: 0 360px;
    z-index: 3;
}

.progress-container {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.progress-bar {
    width: 48px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    overflow: hidden;
    cursor: pointer;
}

.progress-fill {
    width: 0;
    height: 100%;
    border-radius: 100px;
    transition: width 5s linear;
}

.progress-bar.active .progress-fill {
    background-color: #2DCCD3;
    width: 100%;
}

/* 背景图片过渡效果 */
.banner {
    background-size: cover;
    background-position: center;
    transition: background-image 0.5s ease;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .banner-progress {
        padding: 0 120px;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 500px;
    }

    .banner-content {
        width: 100%;
        padding: 0 20px;
        align-items: center;
        text-align: center;
    }

    .banner-text {
        align-items: center;
    }

    .banner-titles h1 {
        font-size: 32px;
        text-align: center;
    }

    .banner-titles p {
        font-size: 14px;
        text-align: center;
    }

    .banner-controls {
        padding: 0 20px;
    }

    .banner-progress {
        padding: 0 40px;
    }

    .progress-bar {
        width: 32px;
    }
}

@media (max-width: 480px) {
    .banner {
        height: 400px;
    }

    .banner-titles h1 {
        font-size: 24px;
    }

    .banner-titles p {
        font-size: 12px;
    }

    .banner-control {
        width: 36px;
        height: 36px;
    }
}

/* 7sGood介绍 */
.section-7sgood {
    padding: 80px 0;
    background-color: #fff;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 20px;
    color: #666;
    line-height: 1.6;
}

.section-subtitle p {
    margin: 0;
}

.section-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.section-image {
    flex: 1;
}

.section-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.section-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 20px;
}

.intro-logo {
    margin-bottom: 20px;
}

.intro-logo img {
    height: 80px;
    width: auto;
}

.intro-text h3 {
    font-size: 36px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.intro-features {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.intro-features span {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    color: #666;
}

.intro-description {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}

.section-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.action-button {
    display: flex;
    align-items: center;
    gap: 2px;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.action-button img {
    width: 42px;
    height: 42px;
}

.details-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 10px 40px;
    border: 1px solid #ccc;
    border-radius: 100px;
    text-decoration: none;
    width: fit-content;
    height: 42px;
}

.details-button span {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.6;
    color: #1A1A1A;
}

.action-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .section-content {
        flex-direction: column;
        gap: 40px;
    }

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

    .section-subtitle {
        font-size: 16px;
    }

    .section-actions {
        flex-wrap: wrap;
    }

    .action-button {
        flex: 1;
        justify-content: center;
    }
}

/* 1688Japan介绍 */
.section-1688japan {
    padding: 80px 0;
    background-color: #F7F8F9;
}

.section-1688japan .intro-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.japan-text {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 700;
    font-size: 28.57px;
    color: #999999;
}

.japan-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.japan-icon img {
    width: auto;
    height: 80px;
}

.japan-slogan {
    font-family: 'Source Han Sans JP VF', sans-serif;
    font-weight: 700;
    font-size: 17.14px;
    letter-spacing: 65.62%;
    color: #999999;
}

.intro-features span {
    background-color: transparent;
    color: #2DCCD3;
    font-weight: 600;
    font-size: 18px;
    padding: 0;
}

.intro-features {
    gap: 10px;
}

.windows-button img {
    width: 42px;
    height: 42px;
}

@media (max-width: 768px) {
    .section-content {
        flex-direction: column;
    }

    .intro-logo {
        flex-wrap: wrap;
    }
}

/* HHO MKTing介绍 */
.section-mkting {
    padding: 100px 0;
    background-color: #fff;
}

.section-mkting .section-content {
    display: flex;
    gap: 100px;
    align-items: center;
}

.section-mkting .section-image {
    flex: 1;
}

.section-mkting .section-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.section-mkting .intro-logo {
    margin-bottom: 20px;
}

.section-mkting .intro-logo img {
    width: auto;
    height: 80px;
    object-fit: contain;
}

.section-mkting .intro-text h3 {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 600;
    font-size: 24px;
    line-height: 1.6;
    color: #1A1A1A;
    margin-bottom: 20px;
}

.section-mkting .intro-features {
    display: flex;
    gap: 20px;
    margin-bottom: 10px;
}

.section-mkting .intro-features span {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 600;
    font-size: 18px;
    line-height: 1.6;
    color: #2DCCD3;
}

.section-mkting .intro-description {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.8;
    color: #666666;
}

.section-mkting .section-actions {
    display: flex;
    gap: 12px;
}

.section-mkting .start-button img {
    width: 42px;
    height: 42px;
}

@media (max-width: 1024px) {
    .section-mkting .section-content {
        flex-direction: column;
        gap: 40px;
    }

    .section-mkting .section-image,
    .section-mkting .section-details {
        width: 100%;
    }
}

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

    .section-mkting .intro-text h3 {
        font-size: 24px;
    }

    .section-mkting .intro-features {
        flex-wrap: wrap;
    }
}

/* 品牌客户案例 */
.section-cases {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.section-cases .section-content {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    align-items: flex-start;
}

.cases-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.nav-button {
    padding: 10px 20px;
    border: 1px solid #CCCCCC;
    border-radius: 100px;
    background: none;
    font-family: PingFang SC;
    font-size: 14px;
    line-height: 1.6;
    color: #1A1A1A;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-button.active {
    background-color: #2DCCD3;
    border-color: #2DCCD3;
    color: #FFFFFF;
}

.cases-showcase {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    flex: 1;
}

@media (max-width: 768px) {
    .cases-showcase {
        flex-direction: column;
    }
}

.case-card {
    margin-right: 10px;
    margin-bottom: 10px;
    min-width: calc(33% - 20px);
    width: 270px;
    height: 400px;
    background: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-card:nth-child(3n) {
    margin-right: 0;
}

.case-content {
    display: flex;
    flex-direction: column;
}

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

.case-text {
    padding: 10px 30px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-title {
    font-family: PingFang SC;
    font-weight: 600;
    font-size: 24px;
    line-height: 1.6;
    color: #1A1A1A;
}

.case-description {
    font-family: PingFang SC;
    font-size: 14px;
    line-height: 1.6;
    color: #666666;
}

.case-more {
    display: flex;
    gap: 4px;
}

.case-more svg {
    width: 24px;
    height: 24px;
    fill: #999999;
}

/* 公司愿景使命 */
.section-vision {
    padding: 100px 0;
    background-image: url('https://static.hhocool.com/images/2db27200-7c33-4120-b728-1c94ce8daa83_1920x320.png');
    background-size: cover;
    background-position: center;
    color: #FFFFFF;
    text-align: center;
}

.section-vision .section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-vision .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 60px;
}

.section-vision .section-title {
    font-size: 40px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.6;
}

.section-vision .section-subtitle {
    font-size: 20px;
    line-height: 1.6;
}

.section-vision .section-subtitle p {
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-vision {
        padding: 60px 0;
    }

    .section-vision .section-title {
        font-size: 32px;
    }

    .section-vision .section-subtitle {
        font-size: 18px;
    }
}

/* 运营中心样式 */
.section-centers {
    padding: 100px 360px;
    background-color: #FFFFFF;
}

.section-centers .section-header {
    text-align: center;
    margin-bottom: 100px;
}

.section-centers .section-title {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 600;
    font-size: 50px;
    line-height: 1.6;
    color: #1A1A1A;
    margin-bottom: 20px;
}

.section-centers .section-subtitle {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 20px;
    line-height: 1.6;
    color: #666666;
}

.centers-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.center-row {
    display: flex;
    gap: 50px;
}

.center-card {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.center-image {
    position: relative;
    width: 100%;
    height: 303px;
    overflow: hidden;
}

.center-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.center-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgba(0, 0, 0, 0.2) 70%, rgba(0, 0, 0, 0.6) 100%);
}

.center-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    color: #FFFFFF;
    z-index: 1;
}

.center-info h3 {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 600;
    font-size: 32px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.center-info p {
    font-family: 'PingFang SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.9;
}

.center-card:hover .center-image img {
    transform: scale(1.05);
}

/* 响应式样式 */
@media (max-width: 1440px) {
    .section-centers {
        padding: 100px 120px;
    }
}

@media (max-width: 1024px) {
    .section-centers {
        padding: 80px 60px;
    }

    .center-row {
        flex-direction: column;
        gap: 30px;
    }

    .center-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .section-centers {
        padding: 60px 20px;
    }

    .section-centers .section-title {
        font-size: 36px;
    }

    .section-centers .section-subtitle {
        font-size: 16px;
    }

    .center-info h3 {
        font-size: 24px;
    }

    .center-info p {
        font-size: 12px;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .section-body {
        flex-direction: column;
    }

    .section-1688japan .section-body {
        flex-direction: column;
    }

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

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu {
        flex-direction: column;
        text-align: center;
    }

    .banner {
        height: 400px;
    }

    .banner-text h1 {
        font-size: 2rem;
    }

    .banner-text p {
        font-size: 1.2rem;
    }

    .logo-7sgood img {
        max-width: 150px;
    }

    .case-content {
        grid-template-columns: 1fr;
    }

    .centers-grid {
        grid-template-columns: 1fr;
    }
}

/* 全局样式 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'PingFang SC';
}

body,
html {
    width: 100%;
    overflow-x: hidden;
    /* 防止水平滚动 */
}

/* ================== Banner响应式优化 ================== */

/* 平板端（屏幕宽度小于 1024px） */
@media (max-width: 1024px) {
    .banner {
        height: 300px;
        /* 缩小高度 */
    }

    .banner-bg {
        width: 100%;
        height: 100%;
        object-fit: cover;
        /* 确保图片填充整个区域 */
        position: absolute;
        top: 0;
        left: 0;
    }

    .banner-content {
        gap: 6px;
        top: 36%;
    }

    .banner-title {
        font-size: 32px;
        /* 缩小标题 */
    }

    .banner-subtitle {
        font-size: 16px;
    }
}

/* 手机端（屏幕宽度小于 768px） */
@media (max-width: 768px) {
    body {
        padding-top: 0;
    }

    .banner {
        height: 300px;
        /* 进一步缩小高度 */
    }

    .banner-title {
        font-size: 24px;
        /* 适配小屏 */
    }

    .banner-content {
        gap: 6px;
        top: 40%;
    }

    .banner-subtitle {
        font-size: 14px;
    }
}

/* 超小屏（屏幕宽度小于 480px） */
@media (max-width: 480px) {
    body {
        padding-top: 0;
    }

    .banner {
        height: 300px;
        /* 适配小屏手机 */
    }

    .banner-content {
        gap: 6px;
    }

    .banner-title {
        font-size: 20px;
        /* 再次缩小标题 */
    }

    .banner-subtitle {
        font-size: 12px;
    }
}

/* 顶部导航 */
.header {
    width: 100%;
    /* 让头部占满整个屏幕宽度 */
    height: 70px;
    /* 头部高度固定为 70px */
    display: flex;
    /* 使用 Flexbox 布局 */
    justify-content: center;
    /* 让子元素水平居中 */
    align-items: center;
    /* 让子元素垂直居中 */
    position: fixed;
    /* 让头部固定在页面顶部 */
    top: 0;
    /* 让头部始终处于页面的最上方 */
    z-index: 1000;
    /* 提高层级，确保头部不会被其他内容遮挡 */
    padding: 0;
    /* 移除默认的内边距 */
    background: rgba(255, 255, 255, 0.9);
    /* 初始完全透明 */
    transition: background 0.5s ease, box-shadow 0.5s ease;
}

.header-container {
    width: 100%;
    /* 让容器宽度占满整个父级（通常是 `.header`） */
    max-width: 1200px;
    /* 限制最大宽度为 1200px，避免超宽 */
    display: flex;
    /* 使用 Flexbox 进行布局 */
    justify-content: space-between;
    /* 让子元素均匀分布，两端对齐 */
    align-items: center;
    /* 让子元素垂直居中 */
    padding: 0px;
    margin: 0 auto;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    /* 滚动后变成半透明白色 */
    backdrop-filter: blur(10px);
    /* 模糊 10px */
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.1);
}

.hho-logo {
    height: 24px;
    /* 设置容器的高度为 24px */
}

.hho-logo img {
    height: 100%;
    /* 高度占满父容器 */
    width: auto;
    /* 宽度自适应，保持图片比例 */
}

.nav-links {
    display: flex;
    /* 使用 Flexbox 布局 */
    align-items: center;
    /* 垂直居中对齐 */
    justify-content: center;
    /* 水平居中对齐 */
    gap: 64px;
    /* 子元素之间的间距为 64px */
}

.nav-item {
    display: flex;
    /* 使用 Flexbox 布局 */
    align-items: center;
    /* 垂直居中对齐 */
    cursor: pointer;
    /* 鼠标悬停时显示为手型指针 */
    position: relative;
    /* 设置为相对定位 */
}

.nav-link {
    display: flex;
    align-items: center;
    color: #000000;
    gap: 4px;
    /* 图标和文字之间的间距 */
    white-space: nowrap;
    /* 禁止文字换行 */
    cursor: pointer;
    text-decoration: none !important;
    /* 强制去除下划线 */
}

.nav-item-text {
    font-weight: 500;
    font-size: 14px;
    line-height: auto;
    color: #000000;
}

.nav-item-icon {
    width: 12px;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #FFFFFF;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
    border-radius: 8px;
    z-index: 1;
}

.dropdown-item {
    color: #666666;
    padding: 8px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
}

.dropdown-item:hover {
    color: #2DCCD3;
}

.nav-item:hover .dropdown-content {
    display: block;
}

/* ====================== 移动端菜单按钮 ====================== */
.menu-toggle {
    display: none;
    /* 默认隐藏，只在移动端显示 */
    cursor: pointer;
    /* 鼠标悬停时显示手型光标 */
    transition: all 0.3s ease;
    /* 添加过渡效果，使切换更平滑 */
    z-index: 1001;
    /* 确保菜单按钮在最上层 */
}

/* 按钮切换为激活状态时的样式 */
.menu-toggle.active {
    transform: rotate(180deg);
    /* 旋转动画效果 */
}

/* ====================== 移动端侧边栏菜单 ====================== */
.mobile-menu {
    display: none;
    /* 默认隐藏 */
    position: fixed;
    /* 固定定位 */
    top: 44px;
    /* 从导航栏下方开始 */
    left: -100%;
    /* 默认隐藏在屏幕左侧外 */
    width: 100%;
    /* 宽度占满整个屏幕 */
    height: calc(100vh - 44px);
    /* 高度为视窗高度减去导航栏高度 */
    background-color: #FFFFFF;
    /* 背景色为白色 */
    box-shadow: 0 -0.5px 0px rgba(0, 0, 0, 0.1);
    /* 添加阴影效果 */
    transition: left 0.3s ease;
    /* 添加平滑过渡效果 */
    z-index: 1000;
    /* 确保菜单在其他内容之上 */
    padding: 0;
    /* 上下内边距 */
    overflow-y: auto;
    /* 内容过多时可滚动 */
}

/* 激活时的样式 */
.mobile-menu.active {
    left: 0;
    /* 滑入屏幕 */
}

/* ====================== 菜单组样式 ====================== */
.menu-group {
    border-bottom: 1px solid #F5F5F5;
    /* 组之间的分隔线 */
}

/* 菜单组标题样式 */
.menu-group-header {
    display: flex;
    /* 弹性布局 */
    justify-content: space-between;
    /* 两端对齐 */
    align-items: center;
    /* 垂直居中 */
    padding: 24px 16px;
    /* 上下左右内边距 */
    font-size: 16px;
    /* 字体大小 */
    font-weight: 500;
    /* 字体粗细 */
    color: #000000;
    /* 文字颜色 */
    cursor: pointer;
    /* 鼠标手型 */
    font-family: 'PingFang SC', sans-serif;
}

/* 联系我们去除下划线 */
.menu-group-header a {
    text-decoration: none;
    color: #000000;
}

/* 无箭头的菜单组标题 */
.menu-group-header.no-arrow {
    padding: 24px 16px;
    /* 保持一致的内边距 */
}

/* 箭头图标默认样式 */
.arrow-icon {
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    /* 添加平滑过渡效果 */
    transform-origin: center;
    /* 设置旋转中心点 */
}

/* 展开状态的箭头图标 */
.menu-group.active .arrow-icon {
    transform: rotate(180deg);
    /* 旋转箭头 */
}

/* 菜单组内容默认样式（折叠状态） */
.menu-group-content {
    max-height: 0;
    /* 初始高度为0 */
    overflow: hidden;
    /* 隐藏溢出内容 */
    transition: max-height 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    /* 平滑过渡效果 */
}

/* 激活状态的菜单组内容 */
.menu-group.active .menu-group-content {
    max-height: 500px;
    /* 足够大的高度以容纳内容 */
}

/* 菜单项样式 */
.menu-group-content a {
    display: block;
    /* 块级元素 */
    padding: 24px 32px;
    /* 左侧缩进，区分层级 */
    font-size: 14px;
    /* 字体大小 */
    color: #333333;
    /* 字体颜色 */
    text-decoration: none;
    /* 去除下划线 */
    border-top: 1px solid #F5F5F5;
    /* 顶部分隔线 */
    font-family: 'PingFang SC', sans-serif;
    /* 字体 */
    font-weight: 400;
    /* 正常字重 */
}

/* 当前选中的语言样式 */
.active-language {
    color: #2DCCD3 !important;
    /* 当前选中的语言文字颜色 */
    font-weight: 500 !important;
    /* 稍微加粗 */
}

/* 菜单项悬停效果 */
.menu-group-content a:hover {
    background-color: #F8F8F8;
    /* 悬停时的背景色 */
    color: #2DCCD3;
    /* 悬停时文字颜色变化 */
}

/* ================== 顶部导航 响应式优化 ================== */
/* 🌟 移动端适配（小于等于 1024px 时生效） */
@media (max-width: 1024px) {
    .header {
        height: 44px;
        /* 移动端导航栏高度 */
        background-color: #FFFFFF;
        /* 背景色为白色 */
        box-shadow: 0 0.5px 0px rgba(0, 0, 0, 0.1);
        /* 底部阴影线 */
    }

    /* ✅ 让 header 仅显示 LOGO 和 菜单按钮 */
    .header-container {
        justify-content: space-between;
        /* 左右对齐 */
        padding: 0 16px;
        /* 两侧留白增加至16px */
    }

    /* ✅ 隐藏桌面端导航菜单 */
    .nav-links {
        display: none;
    }

    /* ✅ 隐藏桌面端切换语言 */
    .nav-item {
        display: none;
    }

    .hho-logo {
        height: 20px;
        /* 设置容器的高度为 20px */
    }

    /* ✅ 显示菜单按钮 */
    .menu-toggle {
        display: flex;
        /* 让按钮可见 */
        width: 24px;
        height: 24px;
        align-items: center;
        justify-content: center;
        /* 居中对齐图标 */
    }

    /* ✅ 移动端菜单项的布局与样式 */
    .mobile-menu {
        display: block;
        /* 显示为块级元素但默认在屏幕外 */
    }

    /* 添加下拉菜单组标题样式 */
    .mobile-menu-group {
        margin-top: 8px;
        margin-bottom: 4px;
        padding: 0 24px;
        font-size: 14px;
        color: #999999;
        font-weight: 500;
    }
}

/* ====================== 底部导航 ====================== */
.footer {
    width: 100%;
    /* 占满宽度 */
    background-color: #1F2329;
    /* 底部导航背景色为黑色 */
    padding: 64px 0 0 0;
    /* 上方内边距 */
}

/* 底部导航内容容器 */
.footer-container {
    max-width: 1200px;
    /* 最大宽度 */
    margin: 0 auto;
    /* 水平居中 */
    padding: 0;
    /* 两侧内边距 */
}

/* Logo和描述 */
.footer-top {
    width: 1200px;
    display: flex;
    /* 弹性布局 */
    margin-bottom: 64px;
    /* 底部外边距 */
    gap: 16px;
}

/* 底部Logo容器 */
.footer-logo {
    height: 24px;
    /* Logo高度 */
    width: 78px;
    /* Logo宽度 */
}

/* Logo图片容器 */
.footer-logo-img {
    display: flex;
    /* 弹性布局 */
    margin: 0 auto;
    /* 水平居中 */
    height: 100%;
    /* 高度100% */
    width: 100%;
    /* 宽度100% */
}

/* 公司简介文本 */
.footer-description {
    font-size: 14px;
    /* 字体大小 */
    color: #CCCCCC;
    /* 文字颜色 */
}

/* 导航区域（一行显示） */
.footer-nav {
    display: flex;
    /* 弹性布局 */
    flex-wrap: wrap;
    /* 允许换行（在小屏幕上） */
    justify-content: space-between;
    /* 均匀分布 */
    margin-bottom: 64px;
    /* 底部外边距 */
}

/* 导航分组 */
.footer-nav-group {
    min-width: 120px;
    /* 最小宽度 */
}

/* 导航标题 */
.footer-nav-title {
    font-size: 16px;
    /* 字体大小 */
    font-weight: 400;
    /* 字体粗细 */
    color: #FFFFFF;
    /* 文字颜色 */
    margin-bottom: 32px;
    /* 底部外边距 */
}

/* 导航链接列表 */
.footer-nav-links {
    list-style: none;
    /* 去除列表样式 */
    padding: 0;
    /* 移除内边距 */
    margin: 0;
    /* 移除外边距 */
    display: flex;
    /* 弹性布局 */
    flex-direction: column;
    /* 垂直排列 */
    gap: 32px;
    /* 链接间距 */
}

/* 导航链接项 */
.footer-nav-links li {
    font-size: 14px;
    /* 字体大小 */
}

/* 导航链接 */
.footer-nav-links a {
    color: #CCCCCC;
    /* 文字颜色 */
    text-decoration: none;
    /* 去除下划线 */
    transition: color 0.3s ease;
    /* 颜色过渡效果 */
    font-weight: 400;
    /* 字体粗细 */
}

/* 导航链接悬停效果 */
.footer-nav-links a:hover {
    color: #2DCCD3;
    /* 悬停时文字颜色 */
}

/* 底部分割线 */
.footer-divider {
    width: 100%;
    /* 占满宽度 */
    height: 1px;
    /* 高度 */
    background-color: #666666;
    /* 分割线颜色 */
}

/* 底部版权区域 */
.footer-bottom {
    width: 100%;
    /* 占满宽度 */
    padding: 32px;
    /* 上下内边距 */
}

/* 底部版权容器 */
.footer-bottom-container {
    max-width: 1200px;
    /* 最大宽度 */
    margin: 0 auto;
    /* 水平居中 */
    padding-top: 0;
    /* 两侧内边距 */
}

/* 版权文本 */
.copyright {
    display: flex;
    /* 弹性布局 */
    justify-content: space-between;
    /* 两端对齐 */
    max-width: 1200px;
    /* 最大宽度 */
}

.copyright p {
    font-size: 14px;
    /* 字体大小 */
    color: #999999;
    /* 文字颜色 */
    font-weight: 400;
    /* 字体粗细 */
}

/* 品牌区域左侧容器 */
.hho-footer-brand-left {
    display: flex;
    /* 弹性布局 */
    align-items: center;
    /* 垂直居中 */
    gap: 12px;
    /* logo和文案间距为4px */
}

/* 底部Logo容器 */
.hho-footer-logo {
    height: 24px;
    /* 高度 */
    display: flex;
    /* 弹性布局 */
    align-items: center;
    /* 垂直居中 */
}

/* Logo图片样式 */
.hho-footer-logo img {
    width: 78px;
    /* 宽度 */
    height: 24px;
    /* 高度 */
}

/* 品牌口号样式 */
.hho-footer-slogan {
    font-size: 14px;
    color: #CCCCCC;
    font-weight: 400;
}

/* 联系方式容器 */
.hho-footer-contact {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 邮箱图标容器 */
.hho-footer-mail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 邮箱文字样式 */
.hho-footer-mail {
    font-size: 14px;
    color: #CCCCCC;
    font-weight: 400;
}

/* ================== 底部导航 响应式优化 ================== */

/* 平板端（屏幕宽度小于 1024px） */
@media (max-width: 1024px) {
    .footer {
        padding-top: 48px;
        /* 减少上方内边距 */
    }

    .footer-top {
        margin-bottom: 48px;
        /* 减少底部外边距 */
    }

    .footer-nav {
        display: flex;
        flex-wrap: nowrap;
        /* 不换行 */
        margin-bottom: 48px;
        /* 减少底部外边距 */
    }

    /* 创建两个模块布局 */
    .footer-nav-group:nth-child(1),
    .footer-nav-group:nth-child(2) {
        width: 50%;
        /* 第一模块占一半 */
        padding: 24px;
    }

    .footer-nav-group:nth-child(3),
    .footer-nav-group:nth-child(4) {
        width: 50%;
        /* 第二模块占一半 */
        padding: 24px;
    }

    /* 自营品牌和HHO服务左右对齐 */
    .footer-nav-group:nth-child(1) {
        text-align: left;
    }

    .footer-nav-group:nth-child(2) {
        text-align: left;
    }

    /* 关于我们和联系我们左右对齐 */
    .footer-nav-group:nth-child(3) {
        text-align: left;
    }

    .footer-nav-group:nth-child(4) {
        text-align: left;
    }

    .footer-nav-title {
        margin-bottom: 24px;
        /* 减少标题底部外边距 */
    }

    .footer-nav-links {
        gap: 16px;
        /* 减少链接间距 */
    }

    .footer-bottom {
        width: 100%;
        padding: 16px;
    }

    .hho-footer-brand {
        padding: 24px 16px;
        /* 减少内边距 */
        align-items: center;
        /* 垂直居中 */
    }

    .hho-footer-brand-left {
        display: flex;
        align-items: center;
        /* 垂直居中 */
    }

    .copyright {
        display: flex;
        align-items: center;
        /* 垂直居中 */
    }
}

/* 品牌区域容器 */
.hho-footer-brand {
    width: 100%;
    /* 占满宽度 */
    max-width: 1200px;
    /* 最大宽度 */
    margin: 0 auto;
    /* 水平居中 */
    padding: 32px 0;
    /* 上下和左右内边距 */
    display: flex;
    /* 弹性布局 */
    justify-content: space-between;
    /* 两端对齐 */
    align-items: center;
    /* 垂直居中 */
}

/* 手机端（屏幕宽度小于 768px） */
@media (max-width: 768px) {
    .footer {
        padding-top: 32px;
        /* 进一步减少上方内边距 */
    }

    .footer-top {
        flex-direction: column;
        /* 垂直排列 */
        align-items: flex-start;
        /* 左对齐 */
        gap: 16px;
        /* 元素间距 */
        margin-bottom: 32px;
        /* 减少底部外边距 */
    }

    .footer-nav {
        display: flex;
        flex-wrap: wrap;
        /* 允许换行 */
        gap: 20px;
        /* 增加分组间距 */
        margin-bottom: 32px;
        /* 减少底部外边距 */
    }

    /* 适配手机端的两个模块布局 */
    .footer-nav-group:nth-child(1),
    .footer-nav-group:nth-child(2) {
        width: 45%;
        /* 宽度稍微调整 */
        padding: 12px;
    }

    .footer-nav-group:nth-child(3),
    .footer-nav-group:nth-child(4) {
        width: 45%;
        /* 宽度稍微调整 */
        padding: 12px;
    }

    .hho-footer-brand {
        display: flex;
        flex-direction: row;
        /* 保持水平排列 */
        align-items: center;
        /* 垂直居中 */
        padding: 16px;
        /* 减少内边距 */
    }

    .hho-footer-brand-left {
        display: flex;
        align-items: center;
        /* 垂直居中 */
    }

    .hho-footer-contact {
        display: flex;
        align-items: center;
        /* 垂直居中 */
    }

    .copyright {
        display: flex;
        align-items: center;
        /* 垂直居中 */
        justify-content: space-between;
        /* 两端对齐 */
    }
}

/* 超小屏（屏幕宽度小于 480px） */
@media (max-width: 480px) {
    .footer-logo {
        height: 20px;
        /* 减小Logo高度 */
    }

    .footer-description p {
        font-size: 12px;
        /* 减小字体大小 */
    }

    .footer-nav-title {
        font-size: 14px;
        /* 减小字体大小 */
        margin-bottom: 16px;
        /* 减少底部外边距 */
    }

    .footer-nav-links {
        gap: 16px;
        /* 进一步减少链接间距 */
    }

    .footer-nav-links a {
        font-size: 12px;
        /* 减小字体大小 */
    }

    .copyright p {
        font-size: 12px;
        /* 减小字体大小 */
    }

    .hho-footer-brand {
        flex-direction: column;
        /* 超小屏改为垂直排列 */
        align-items: center;
        /* 水平居中 */
        gap: 16px;
        /* 元素间距 */
    }

    .hho-footer-brand-left {
        display: flex;
        flex-direction: row;
        /* 保持水平排列 */
        align-items: center;
        /* 垂直居中 */
        justify-content: center;
        /* 水平居中 */
        width: 100%;
        /* 占满宽度 */
    }

    .hho-footer-slogan {
        font-size: 12px;
        /* 减小字体大小 */
    }

    .hho-footer-contact {
        justify-content: center;
        /* 水平居中 */
        width: 100%;
        /* 占满宽度 */
    }

    .hho-footer-mail {
        font-size: 12px;
        /* 减小字体大小 */
    }

    .copyright {
        flex-direction: column;
        /* 垂直排列 */
        align-items: center;
        /* 水平居中 */
        gap: 8px;
        /* 文本间距 */
        text-align: center;
        /* 文本居中 */
    }
}

.top-banner {
    margin-top: 70px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.top-banner-image {
    width: 100%;
    aspect-ratio: 3/1;
}

.top-banner-content {
    max-width: 1200px;
    width: 100%;
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.top-banner-title {
    color: '#1A1A1A';
    font-size: 40px;
    font-family: 'Hiragino Sans';
    font-weight: 700;
    line-height: 64px;
    word-wrap: break-word;
}

.top-banner-subtitle {
    color: #1A1A1A;
    font-family: 'Hiragino Sans';
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
}

.content-title {
    padding-top: 100px;
    padding-bottom: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.content-title-text {
    color: #1A1A1A;
    text-align: center;
    font-family: "Hiragino Sans";
    font-size: 40px;
    font-style: normal;
    font-weight: 700;
}

.content-title-subtext {
    color: #666;
    text-align: center;
    font-family: "PingFang SC";
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
}

.content-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 200px;
}

.content-section {
    display: flex;
    gap: 100px;
    width: 100%;
    max-width: 1200px;
}

.content-section.left {
    flex-direction: row;
}

.content-section.right {
    flex-direction: row-reverse;
}

.content-section-image {
    width: 600px;
    aspect-ratio: 600 / 500;
}

.content-section-info {
    display: flex;
    flex-direction: column;
    position: relative;
}

.content-section-info-title {
    color: #1A1A1A;
    font-family: "Hiragino Sans";
    font-size: 36px;
    font-style: normal;
    font-weight: 700;
}

.content-section-info-tag-list {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.content-section-info-tag {
    color: #2DCCD3;
    font-family: "Hiragino Sans";
    font-size: 18px;
    font-style: normal;
    font-weight: 500;
}

.content-section-info-description {
    color: #666;
    font-family: "Hiragino Sans";
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
    margin-top: 10px;
}

.content-section-button {
    display: flex;
    padding: 10px 40px;
    justify-content: center;
    align-items: center;
    width: fit-content;
    border-radius: 100px;
    border: 1px solid #CCC;
    background-color: white;
    position: absolute;
    bottom: 40px;
}

.content-section-button a {
    text-decoration: none;
    color: #1A1A1A;
}

.case-main {
    background-color: #F7F8F9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    padding-bottom: 100px;
}

.case-main-title {
    color: #1A1A1A;
    text-align: center;
    font-family: "Hiragino Sans";
    font-size: 40px;
    font-style: normal;
    font-weight: 700;
}

.case-main-subtitle {
    color: #666;
    text-align: center;
    font-family: "Hiragino Sans";
    font-size: 20px;
    font-style: normal;
    font-weight: 300;
}

.case-main-content {
    margin-top: 100px;
    display: flex;
    max-width: 1200px;
    width: 100%;
    justify-content: space-between;
    gap: 100px;
}

.case-category {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-category-button {
    display: flex;
    padding: 10px 20px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 100px;
    border: 1px solid #CCC;
    cursor: pointer;
}

.case-category-button.selected {
    display: flex;
    padding: 10px 20px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 100px;
    background: #2DCCD3;
    color: white;
}

.case-list {
    display: none;
    flex-direction: row;
    gap: 20px;
    flex: 1;
}

.case-list.selected {
    display: flex;
}

.case-item {
    width: 270px;
    aspect-ratio: 270 / 400;
}

.join-us {
    padding-top: 100px;
    padding-bottom: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.join-us-title {
    font-family: Hiragino Sans;
    font-weight: 700;
    font-size: 40px;
    line-height: 160%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;

}

.join-us-subtitle {
    font-family: Hiragino Sans;
    font-weight: 300;
    font-size: 20px;
    line-height: 160%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;
    color: #666666;
}

.join-us-qr {
    width: 200px;
    height: 200px;
    margin-top: 100px;
}

.join-us-qr-desc {
    margin-top: 20px;
    font-family: Hiragino Sans;
    font-weight: 300;
    font-size: 20px;
    line-height: 160%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;
    color: '#1a1a1a';
}

.team-banner {
    margin-top: 100px;
    margin-bottom: 100px;
}

.team-title {
    font-family: Hiragino Sans;
    font-weight: 700;
    font-size: 40px;
    line-height: 160%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;
    color: white;
}

.team-subtitle {
    font-family: Hiragino Sans;
    font-weight: 500;
    font-size: 20px;
    line-height: 160%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;
    color: white;
}