:root {
    /* Colors */
    --primary: #1890ff;
    --primary-dark: #096dd9;
    --primary-light: #40a9ff;
    --secondary: #6c757d;
    --success: #52c41a;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --border: #e5e7eb;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    height: 100px;
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container img {
    height: 75px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 1rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-btn {
    padding: 0.5rem 1.5rem;
    background: var(--primary);
    color: white !important;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--primary-dark);
}

/* Hero Section Height Adjustment */
.hero-section {
    min-height: calc(80vh - 100px); /* 从 80vh 减小到 60vh */
    margin-top: 100px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/hero-image.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.8);
    z-index: 1;
}

.hero-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    z-index: 2;
}

.hero-content {
    display: flex;
    justify-content: flex-end;
}

.hero-text {
    max-width: 600px;
    margin-left: auto;
    padding: 2.5rem;
}

.typing-container h1 {
    font-size: 2.8rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

#typing-text {
    font-size: 1.2rem;
    color: #ffffff;
    line-height: 1.8;
    white-space: pre-wrap;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    opacity: 1;
}

.hero-cta {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
    animation-delay: 2.5s;
}

.cta-button {
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.secondary-button {
    padding: 1rem 2rem;
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.cta-button:hover,
.secondary-button:hover {
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        justify-content: center;
    }
    
    .hero-text {
        max-width: 100%;
        margin: 0 auto;
    }

    .typing-container h1 {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .hero-text {
        padding: 2rem;
    }

    .typing-container h1 {
        font-size: 2rem;
    }

    .typing-text {
        font-size: 1.1rem;
    }

    .hero-section {
        min-height: calc(50vh - 100px); /* 从 70vh 减小到 50vh */
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .cta-button,
    .secondary-button {
        width: 100%;
        text-align: center;
    }

    .hero-text {
        padding: 1.5rem;
    }

    .hero-section {
        min-height: calc(60vh - 100px); /* 从 60vh 减小到 45vh */
    }
}

/* Features Section */
.features {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--background);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
    background: transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
    color: var(--primary); /* SVG 的颜色 */
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Features Section Icons */
.feature-card i {
    font-size: 4.5rem; /* 从 3rem 增加到 6rem */
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.1);
}

/* About Content Section */
.about-content {
    padding: 5rem 0;
    background: rgba(0, 0, 0, 0.7); /* 半透明黑色背景 */
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: stretch;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.about-image {
    height: 100%;
    min-height: 500px;
    background-image: url('assets/about-bg.jpg');
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.about-text {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    background: radial-gradient(black, transparent);
    border-radius: 24px;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 2rem;
    font-weight: 600;
}

.about-text p {
    font-size: 1.1rem;
    color: #ffffff;
    line-height: 1.8;
    margin-bottom: 1.8rem;
    text-align: left;
}

.about-text p:last-child {
    margin-bottom: 0;
}

/* Employee Count Style */
.employee-count {
    position: absolute;
    bottom: 0rem;
    left: 0rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem; 
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.employee-count .count {
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.2;
}

.employee-count .label {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text {
        padding: 1.5rem;
        height: auto;
        min-height: unset;
    }

    .about-text h2 {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
    }

    .about-text p {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 1.5rem;
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .about-content {
        padding: 3rem 0;
    }

    .about-image {
        height: 300px;
        display: none;
    }

    .employee-count {
        bottom: 1.5rem;
        left: 1.5rem;
        padding: 1rem 1.5rem;
    }

    .employee-count .count {
        font-size: 2rem;
    }

    .employee-count .label {
        font-size: 1rem;
    }
}

/* Footer Enhancement */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 992px) {
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact {
        padding: 3rem 0;
    }
    
    .contact-header h2 {
        font-size: 2rem;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* Update Navigation Styles */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--background);
        padding: 80px var(--spacing-md) var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-md);
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    /* Hamburger Menu Animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Add overlay when menu is open */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    .member-image {
        width: 150px;
        height: 150px;
    }

    .member-info {
        padding: var(--spacing-sm);
    }

    .member-name {
        font-size: 1.1rem;
    }

    .member-role {
        font-size: 0.9rem;
    }

    .member-quote {
        font-size: 0.85rem;
    }

    .feature-icon img {
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }

    .member-image {
        width: 120px;
        height: 120px;
    }

    .feature-icon img {
        width: 48px;
        height: 48px;
    }
}

/* 菜单按钮样式 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* 响应式导航 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem 0;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .menu-toggle.active span:first-child {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:last-child {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.75rem var(--spacing-sm);
    }

    .logo-container img {
        height: 50px;
    }

    .logo-text {
        font-size: 1.1rem;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        max-width: 80%;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-image {
        max-width: 100%;
    }
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .team-container {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }

    .member-image {
        width: 180px;
        height: 180px;
        margin-top: -50px;
    }
}

@media (max-width: 992px) {
    .team-container {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .team {
        padding: var(--spacing-lg) 0;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .member-image {
        width: 160px;
        height: 160px;
        margin-top: -40px;
    }

    .member-info {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .member-info h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .team-container {
        grid-template-columns: 1fr;
        max-width: 90%;
        margin: 0 auto;
        gap: 3rem;
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .team-member {
        max-width: 100%;
        margin-top: 2.5rem;
    }

    .member-image {
        width: 180px;
        height: 180px;
        margin-top: -90px;
        margin-bottom: 1rem;
    }

    .member-info {
    }

    .member-info h3 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }

    .member-role {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .member-quote {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
        padding: 0 var(--spacing-sm);
    }

    .member-link {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 360px) {
    .team-container {
        max-width: 95%;
        gap: 2.5rem;
    }

    .team-member {
        margin-top: 2rem;
    }

    .member-image {
        width: 160px;
        height: 160px;
        margin-top: -80px;
    }
}

/* About Content Section - Mobile Optimization */
@media (max-width: 768px) {
    .about-content {
        padding: 2rem 0;
    }

    .about-grid {
        grid-template-columns: 1fr;  /* 改为单列布局 */
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }

    .about-text {
        text-align: center;
        padding: 1rem;
        order: -1;  /* 文字内容放在图片上方 */
    }

    .about-text h2 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-md);
    }

    .about-text p {
        font-size: 1.3rem;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
        color: #fff;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);  /* 数据改为两列显示 */
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .stat-item {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 1.75rem;
        margin-bottom: 0.5rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .about-image {
        height: 250px;  /* 调整图片高度 */
        margin: 0 auto;
        max-width: 100%;
        border-radius: 12px;
        overflow: hidden;
    }

    .about-image img {
        height: 100%;
        object-fit: cover;
    }

    .about-cta {
        text-align: center;
        margin-top: var(--spacing-md);
    }

    .about-cta .btn {
        width: 100%;  /* 按钮占满宽度 */
        max-width: 300px;  /* 限制最大宽度 */
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* 小屏幕优化 */
@media (max-width: 480px) {
    .about-content {
        padding: 1.5rem 0;
    }

    .about-text h2 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size:1.1rem;
    }

    .about-stats {
        gap: var(--spacing-sm);
    }

    .stat-item {
        padding: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .about-image {
        height: 200px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
    .about-grid {
        padding: 0 var(--spacing-sm);
    }

    .about-stats {
        grid-template-columns: 1fr;  /* 超小屏幕改为单列 */
    }

    .stat-item {
        text-align: center;
    }

    .about-image {
        height: 180px;
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        padding: 2.5rem 0;
    }

    .about-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.875rem;
    }
}

@media (max-width: 768px) {
    .about-content {
        padding: 2rem 0;
    }

    .about-main {
        margin-bottom: 1.5rem;
    }

    .about-main h2 {
        font-size: 2rem;
        margin-bottom: 0.75rem;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .feature-item {
        padding: 1rem;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .stat-item {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .about-wrapper {
        padding: 0 0.75rem;
    }

    .about-main h2 {
        font-size: 1.75rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .stat-item {
        padding: var(--spacing-sm);
    }
}

/* Core Values Section */
.service-mission {
    padding: 5rem 0;
    background: #ffffff; /* 改为白色背景 */
}

.service-mission h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333333; /* 深色文字 */
}

.service-mission p {
    text-align: left;
    color: #fff !important; /* 深色文字 */
    background: rgba(0, 0, 0, 0.5);
    padding:2rem 1rem;
    border-radius: 12px;
}

.mission-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.mission-card {
    position: relative;
    padding: 2.5rem;
    border-radius: 8px;
    overflow: hidden;
    min-height: 300px; /* 设置最小高度 */
}

.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3; /* 背景图片透明度 */
    transition: opacity 0.3s ease;
}

/* 为每个卡片设置不同的背景图片 */
.mission-title .card-bg {
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
}

.mission-card:nth-child(2) .card-bg {
    background-image: url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
}

.mission-card:nth-child(3) .card-bg {
    background-image: url('https://images.unsplash.com/photo-1553729459-efe14ef6055d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
}

.card-content {
    position: relative;
    z-index: 1;
    height: 100%;
}

.mission-card:hover .card-bg {
    opacity: 0.15; /* 悬停时增加背景图片透明度 */
}

.mission-title {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.mission-title h3 {
    font-size: 2rem;
    line-height: 1.4;
    color: var(--primary);
    margin: 0;
}

.mission-card h3 {
    font-size: 1.5rem;
    color: #333333;
    margin-bottom: 1rem;
}

.mission-card p {
    color: #666666;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .mission-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .mission-cards {
        grid-template-columns: 1fr;
    }
    
    .mission-card {
        padding: 2rem;
    }
    
    .card-number {
        font-size: 2.5rem;
        top: 1rem;
        right: 1.5rem;
    }
}

/* Team Preview Styles */
.team-preview {
    margin-top: 2.5rem;
    display: flex;
    gap: 2rem;
}

.team-member {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.member-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    display: flex;
    flex-direction: column;
}

.member-info h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
    margin-bottom: 0.25rem;
}

.member-info .position {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .team-preview {
        flex-direction: column;
        gap: 1.5rem;
        margin-top:0;
    }

    .team-member{
        flex-direction: column;
        margin-top:1rem;
    }

    .member-info{
        text-align:left;

    }


}

/* Team Members Section */
.team-members {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.7);
}

.team-members h2 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 3rem;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.member-card {
    text-align: center;
    color: #ffffff; /* 更新为白色 */
}

.member-card h3 {
    color: #ffffff;
    margin: 1rem 0 0.5rem;
}

.member-card p {
    color: rgba(255, 255, 255, 0.9); /* 略微透明的白色 */
}

.member-title {
    color: rgba(255, 255, 255, 0.8); /* 职位使用稍微透明的白色 */
    font-style: italic;
}

.member-card img {
    width: 180px; /* 设置固定宽度 */
    height: 180px; /* 设置固定高度 */
    border-radius: 50%; /* 保持圆形 */
    object-fit: cover; /* 确保图片填充方式正确 */
    margin: 0 auto 1.5rem; /* 居中并添加底部间距 */
    display: block; /* 确保图片居中 */
    border: 3px solid rgba(255, 255, 255, 0.2); /* 添加细边框 */
}

/* 响应式调整 */
@media (max-width: 992px) {
    .member-card img {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 576px) {
    .member-card img {
        width: 140px;
        height: 140px;
    }
}

.tabs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: transparent;
    color: #666666;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

.tab-content {
    padding: 2rem;
    min-height: 200px;
}

.tab-pane {
    display: none;
    text-align: center;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 1.8rem;
    color: #333333;
    margin-bottom: 1.5rem;
}

.tab-pane p {
    color: #666666;
    line-height: 1.6;
    font-size: 1.1rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
}

.features-hero {
    padding: 6rem 0;
    background: rgba(0, 0, 0, 0.7);
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-content {
    display: flex;
    justify-content: flex-end; /* 内容靠右 */
}

.hero-text {
    color: #ffffff;
    text-align: left;
}

.text-wrapper {
    max-width: 600px; /* 调整文字宽度 */
    text-align:left;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .hero-content {
        justify-content: center; /* 在移动端居中 */
        margin:auto;
    }

    .hero-text {
        text-align: center;
    }

    .text-wrapper {
        margin: 0 auto;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .features-hero {
        padding: 4rem 0;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }
}

.news-section {
    padding: 80px 20px;
    background-color: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto 0;
}

.news-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.news-content p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.read-more {
    color: #007bff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.read-more:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
} 


.select-btn {
    padding: 0.5rem 1.25rem;
    border-style: solid;
    border-color: transparent;
    border-radius: 8px;
    background-color: transparent;
    background: linear-gradient(95deg, #34d98a 15%, #20dd82 45%, #25e78a 75%, #08b561 100%) 95% / 200% 100%;
    transition-duration: 300ms;
    color: var(--color-white);
    font-weight: 400;
    text-align: center;
    text-decoration: none;
    text-shadow: var(--shadow-light);
    display: inline-block;
    height: 100%;
    line-height: 47px;
    letter-spacing: 0.5px;
    width: auto;
    transition: 0.4s;
    margin-right: 5px;
}


/* 修复 li 默认小圆点 */
.nav-links li {
  list-style: none;
}

/* 语言按钮和普通链接保持一致 */
.nav-item .nav-link {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  padding: 1rem 0;
  text-align: left;
  font-weight: 500;
}

/* 下拉菜单样式 */
.nav-item {
  position: relative;
}

.dropdown-menu {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 3px 3px 6px rgba(0,0,0,0.1);
  position: absolute;
  top: 100%;     /* 紧贴 English 按钮下方 */
  left: 0;       /* 与按钮左对齐 */
  min-width: 160px;
  padding: 10px 0;
  display: none;
  border-radius: 6px;
  z-index: 1000;
}

.dropdown-menu li {
  list-style: none;
}

.dropdown-menu a {
  display: block;
  padding: 8px 16px;
  color: var(--text-primary);
  text-decoration: none;
}

.dropdown-menu a:hover {
  background: var(--primary-light);
  color: #fff;
}

/* PC: hover 时显示 */
@media (hover: hover) and (pointer: fine) {
  .nav-item:hover .dropdown-menu {
    display: block;
  }
}

/* Mobile: 点击时 .open 控制显示 */
.nav-item.open .dropdown-menu {
  display: block;
}