/* CSS Reset 和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3a0ca3;
    --primary-dark: #2a0a8a;
    --secondary-color: #4361ee;
    --accent-color: #4cc9f0;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #888888;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
}

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

/* 导航栏样式 */
.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
}

.logo img {
    transition: var(--transition);
}

.logo:hover img {
    transform: rotate(-5deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* 英雄区域样式 */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* 特性区域样式 */
.features {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 下载引导区域样式 */
.download-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.download-cta .section-title,
.download-cta .section-subtitle {
    color: white;
}

.platform-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.platform-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.5);
}

.download-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 20px;
}

/* 页脚样式 */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: bold;
}

.footer-description {
    color: #aaa;
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
}

/* 下载页面特定样式 */
.download-main {
    padding: 40px 20px;
}

.breadcrumb {
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.download-header h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.download-header .subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.download-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
}

.platform-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.platform-icon {
    font-size: 3rem;
}

.platform-header h2 {
    flex: 1;
    font-size: 1.8rem;
    color: var(--text-primary);
}

.version {
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.platform-content {
    margin-top: 30px;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.download-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
}

.download-card.full-width {
    grid-column: 1 / -1;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.download-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.download-btn {
    display: inline-block;
    margin-bottom: 20px;
}

.note {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 12px;
}

.hash-info {
    background: var(--bg-white);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-top: 20px;
    text-align: left;
}

.hash-info code {
    display: block;
    font-family: monospace;
    font-size: 0.8rem;
    word-break: break-all;
    color: var(--text-secondary);
    margin-top: 8px;
}

.install-guide {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-md);
}

.install-guide h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.guide-steps {
    list-style-position: inside;
    color: var(--text-secondary);
}

.guide-steps li {
    margin-bottom: 12px;
    padding-left: 20px;
}

.qr-code {
    margin-top: 30px;
    text-align: center;
}

.qr-code img {
    max-width: 150px;
    margin-bottom: 16px;
}

.security-notice {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 60px;
}

.security-notice h2 {
    text-align: center;
    color: #ff9800;
    margin-bottom: 40px;
}

.notice-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.notice-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.notice-item h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.notice-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 教程页面特定样式 */
.tutorial-main {
    padding: 40px 20px;
    max-width: 1400px;
}

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

.tutorial-header h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.tutorial-header .subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.difficulty-selector {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
}

.difficulty-btn {
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    background: none;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.difficulty-btn.active,
.difficulty-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.tutorial-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

.tutorial-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.sidebar-sticky h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.tutorial-nav {
    list-style: none;
}

.tutorial-nav li {
    margin-bottom: 12px;
}

.tutorial-nav a {
    display: block;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.tutorial-nav a:hover,
.tutorial-nav a.active {
    background: var(--bg-light);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.tutorial-articles {
    max-width: 800px;
}

.tutorial-article {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.tutorial-article:last-child {
    border-bottom: none;
}

.tutorial-article h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.article-meta .level {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
}

.tutorial-article h3 {
    font-size: 1.5rem;
    margin: 30px 0 16px;
    color: var(--text-primary);
}

.tutorial-article p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.tutorial-article ol,
.tutorial-article ul {
    margin-left: 24px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.tutorial-article li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.tutorial-image {
    margin: 30px 0;
    text-align: center;
}

.tutorial-image img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.warning-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 24px;
    border-radius: var(--radius-sm);
    margin: 30px 0;
}

.warning-box h4 {
    color: #856404;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.warning-box ul {
    margin-left: 20px;
    color: #856404;
}

.warning-box li {
    margin-bottom: 8px;
}

.import-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.import-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-md);
}

.import-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.import-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.import-card ol {
    margin-left: 20px;
}

.import-card li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.notice-box {
    background: #e8f4fd;
    border-left: 4px solid #2196f3;
    padding: 24px;
    border-radius: var(--radius-sm);
    margin: 30px 0;
}

.notice-box ul {
    margin-left: 20px;
}

.notice-box li {
    margin-bottom: 8px;
    color: #0d47a1;
}

.gas-options {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.gas-option {
    flex: 1;
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.gas-option.recommended {
    border-color: var(--primary-color);
    background: rgba(58, 12, 163, 0.05);
}

.gas-option h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.gas-option p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tip-box {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
    padding: 24px;
    border-radius: var(--radius-sm);
    margin: 30px 0;
}

.tip-box h4 {
    color: #2e7d32;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.tip-box p {
    color: #2e7d32;
    line-height: 1.6;
}

.tutorial-progress {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 40px;
}

.tutorial-progress p {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    margin-bottom: 30px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .tutorial-content {
        grid-template-columns: 1fr;
    }
    
    .tutorial-sidebar {
        margin-bottom: 40px;
    }
    
    .sidebar-sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .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, -6px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .platform-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .gas-options {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .platform-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .version {
        align-self: center;
    }
    
    .download-section {
        padding: 20px;
    }
}
/* 新闻滚动条样式 */
.news-ticker {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.news-ticker .container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.ticker-label {
    background: rgba(0, 0, 0, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ticker-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 28px;
}

.ticker-items {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: transform 0.5s ease;
}

.ticker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    height: 28px;
}

.ticker-item a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.ticker-item a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.ticker-time {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-left: 16px;
    min-width: 45px;
    text-align: center;
}

.ticker-controls {
    display: flex;
    gap: 8px;
}

.ticker-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.ticker-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.ticker-btn:active {
    transform: scale(0.95);
}

/* 最新新闻区域样式 */
.latest-news {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.view-all:hover {
    color: var(--secondary-color);
    gap: 8px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.news-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.news-category {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-update {
    background: rgba(76, 201, 240, 0.1);
    color: #4cc9f0;
}

.news-security {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
}

.news-feature {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

.news-event {
    background: rgba(156, 39, 176, 0.1);
    color: #9c27b0;
}

.news-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.news-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.news-read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.news-read-more:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.news-tag {
    color: var(--text-light);
    font-size: 0.8rem;
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .news-ticker .container {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .ticker-label {
        order: 1;
    }
    
    .ticker-content {
        order: 3;
        width: 100%;
        margin-top: 10px;
    }
    
    .ticker-controls {
        order: 2;
        margin-left: auto;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .view-all {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .ticker-controls {
        display: none; /* 在小屏幕上隐藏控制按钮 */
    }
    
    .ticker-label {
        padding: 4px 12px;
        font-size: 0.8rem;
    }
}
/* 新闻页面特定样式 */
.news-page {
    padding: 40px 20px 80px;
}

/* 面包屑导航 */
.breadcrumb ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    gap: 8px;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.breadcrumb li:not(:last-child)::after {
    content: ">";
    margin-left: 8px;
    opacity: 0.5;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 页面标题 */
.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 新闻筛选和搜索 */
.news-filters {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(58, 12, 163, 0.05);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-box {
    position: relative;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
    background: var(--bg-white);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s ease;
}

.search-box button:hover {
    color: var(--primary-color);
}

/* 置顶新闻 */
.featured-news {
    margin-bottom: 60px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.featured-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border: 1px solid var(--border-color);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.featured-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--danger-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.featured-content {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.featured-meta time {
    color: var(--text-light);
    font-size: 0.9rem;
}

.featured-version {
    background: rgba(76, 201, 240, 0.1);
    color: #4cc9f0;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.featured-security {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.featured-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    line-height: 1.4;
}

.featured-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.featured-title a:hover {
    color: var(--primary-color);
}

.featured-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    background: var(--bg-light);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.read-more:hover {
    color: var(--secondary-color);
    gap: 8px;
}

.featured-image {
    width: 40%;
    min-height: 250px;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* 新闻列表 */
.news-list {
    margin-bottom: 60px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.news-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.news-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.news-item-header time {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 新闻分类样式 */
.news-category {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.version-update {
    background: rgba(76, 201, 240, 0.1);
    color: #4cc9f0;
}

.security-alert {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
}

.feature-release {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

.event-announcement {
    background: rgba(156, 39, 176, 0.1);
    color: #9c27b0;
}

.industry-news {
    background: rgba(103, 58, 183, 0.1);
    color: #673ab7;
}

.news-item-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-item-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-item-title a:hover {
    color: var(--primary-color);
}

.news-item-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.news-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.news-read-btn {
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.news-read-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* 分页控件 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(58, 12, 163, 0.05);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 8px;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-number:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-number.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-ellipsis {
    display: flex;
    align-items: center;
    color: var(--text-light);
    padding: 0 8px;
}

/* 新闻订阅 */
.news-subscription {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    padding: 50px;
    color: white;
    margin-top: 60px;
    text-align: center;
}

.subscription-content h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: white;
}

.subscription-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.subscription-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.form-group input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus {
    outline: none;
    border-color: white;
}

.form-group .btn-primary {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 14px 32px;
}

.form-group .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.form-note {
    text-align: left;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: white;
}

.privacy-note {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 10px;
}

.privacy-note a {
    color: white;
    text-decoration: underline;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-card {
        flex-direction: column;
    }
    
    .featured-image {
        width: 100%;
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    .news-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-grid {
        gap: 20px;
    }
    
    .pagination {
        flex-direction: column;
        gap: 20px;
    }
    
    .news-subscription {
        padding: 30px 20px;
    }
    
    .form-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }
    
    .featured-title {
        font-size: 1.3rem;
    }
    
    .news-item-title {
        font-size: 1.1rem;
    }
    
    .news-item-footer {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .news-tags {
        order: 2;
    }
    
    .news-read-btn {
        order: 1;
        align-self: flex-start;
    }
}
/* 关于页面特定样式 */
.about-page {
    background-color: var(--bg-white);
}

/* 关于页面英雄区域 */
.about-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.about-hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.about-hero .hero-content {
    flex: 1;
}

.about-hero .breadcrumb {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.about-hero .breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.about-hero .hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.about-hero .hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.about-hero .hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.about-hero .stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.about-hero .stat-item:hover {
    transform: translateY(-5px);
}

.about-hero .stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.about-hero .stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.about-hero .hero-image {
    flex: 1;
    text-align: center;
}

.about-hero .hero-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* 使命与愿景 */
.mission-vision {
    padding: 80px 0;
    background: var(--bg-white);
}

.mission-vision .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.mission-card, .vision-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.mission-card:hover, .vision-card:hover {
    transform: translateY(-8px);
}

.mission-card h2, .vision-card h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: white;
}

.mission-card p, .vision-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

/* 公司介绍 */
.company-intro {
    padding: 80px 0;
    background: var(--bg-light);
}

.intro-content {
    max-width: 1200px;
    margin: 0 auto;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.intro-text p {
    margin-bottom: 20px;
}

.core-values {
    margin-top: 60px;
}

.core-values h3 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-primary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.value-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.value-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 发展历程 */
.timeline-section {
    padding: 80px 0;
    background: var(--bg-white);
    position: relative;
}

.timeline-section .section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    justify-content: flex-end;
    padding-right: calc(50% + 30px);
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: calc(50% + 30px);
}

.timeline-date {
    position: absolute;
    top: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

.timeline-item:nth-child(odd) .timeline-date {
    right: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-date {
    left: calc(50% + 40px);
}

.timeline-content {
    background: var(--bg-white);
    padding: 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 350px;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 3px solid white;
    border-radius: 50%;
    top: 0;
}

.timeline-item:nth-child(odd)::after {
    right: calc(50% - 8px);
}

.timeline-item:nth-child(even)::after {
    left: calc(50% - 8px);
}

/* 团队介绍 */
.team-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-member {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.member-avatar {
    height: 200px;
    overflow: hidden;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-member:hover .member-avatar img {
    transform: scale(1.05);
}

.member-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.member-name {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.member-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
    font-size: 0.95rem;
}

.member-social {
    display: flex;
    gap: 12px;
}

.member-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-light);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.member-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 团队成就 */
.team-achievements {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.team-achievements h3 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-primary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

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

.achievement-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.achievement-content h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.achievement-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 安全认证 */
.security-certification {
    padding: 80px 0;
    background: var(--bg-white);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.security-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.security-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.security-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.security-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.certifications h3 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-primary);
}

.cert-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.cert-logo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.cert-logo img {
    width: 120px;
    height: auto;
    border-radius: 8px;
    background: white;
    padding: 10px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.cert-logo span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 合作伙伴 */
.partners-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.partners-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-5px);
}

.partner-logo img {
    width: 150px;
    height: auto;
    border-radius: 8px;
    background: white;
    padding: 15px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.partner-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 联系方式 */
.contact-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
    margin-top: 50px;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.method-icon {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.method-details h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.method-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.method-details a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.method-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

.office-info {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.office-info h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.office-info p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* 联系表单 */
.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
}

/* 加入我们 */
.join-us {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.join-content {
    max-width: 700px;
    margin: 0 auto;
}

.join-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
}

.join-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.join-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.join-actions .btn-primary {
    background: white;
    color: var(--primary-color);
    border: none;
}

.join-actions .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.join-actions .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.join-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .about-hero .hero-title {
        font-size: 2.3rem;
    }
    
    .mission-vision .container {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        left: 0;
        right: auto;
    }
    
    .timeline-item:nth-child(odd)::after,
    .timeline-item:nth-child(even)::after {
        left: 22px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .about-hero .hero-title {
        font-size: 2rem;
    }
    
    .about-hero .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .join-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .join-actions a {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .about-hero .hero-title {
        font-size: 1.8rem;
    }
    
    .about-hero .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .mission-card, .vision-card {
        padding: 30px 20px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-logos {
        flex-direction: column;
        align-items: center;
    }
    
    .partners-grid {
        flex-direction: column;
        align-items: center;
    }
}