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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: #F9FAFB;
    color: #4B5563;
    line-height: 1.6;
}

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

/* 导航栏 */
.header {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #7C3AED;
    text-decoration: none;
    z-index: 1001;
}

.logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: all 0.3s ease;
}

.nav-menu a {
    color: #4B5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #7C3AED;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #7C3AED;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1001;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.4);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:active::before {
    width: 300px;
    height: 300px;
}

/* 移动端菜单 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #7C3AED;
    cursor: pointer;
    z-index: 1001;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(124, 58, 237, 0.1);
}

.mobile-menu-toggle.active {
    color: #EC4899;
}

/* 移动端菜单overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><path d="M0,0 C150,100 350,0 500,50 C650,100 850,0 1000,50 L1000,100 L0,100 Z"></path></svg>');
    background-size: 1000px 100px;
    background-repeat: repeat-x;
    animation: wave 10s linear infinite;
}

@keyframes wave {
    0% { background-position-x: 0; }
    100% { background-position-x: 1000px; }
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero .subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-image {
    margin: 1.5rem 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-image img {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
    margin-top: 2rem;
}

.btn-primary {
    background: white;
    color: #7C3AED;
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 180px;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    min-width: 180px;
    justify-content: center;
}

.btn-secondary:hover {
    background: white;
    color: #7C3AED;
    transform: translateY(-3px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 功能展示区 */
.features {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #111827;
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: #6B7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #7C3AED, #EC4899);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    color: #111827;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    line-height: 1.6;
}

/* 技术优势区 */
.advantages {
    padding: 80px 0;
    background: #F9FAFB;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.advantages-text h2 {
    font-size: 2.5rem;
    color: #111827;
    margin-bottom: 1.5rem;
}

.advantages-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.advantages-list {
    list-style: none;
}

.advantages-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.advantages-list li i {
    color: #7C3AED;
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 20px;
}

.advantages-visual {
    text-align: center;
}

.tech-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #7C3AED;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6B7280;
    font-size: 0.9rem;
}

/* 服务项目区 */
.services {
    padding: 80px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-item {
    background: #F9FAFB;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-item:hover {
    background: white;
    border-color: #7C3AED;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(124, 58, 237, 0.1);
}

.service-item h3 {
    color: #111827;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.service-item p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 新闻模块 */
.news {
    padding: 80px 0;
    background: #F9FAFB;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.news-category {
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-date {
    color: #6B7280;
    font-size: 0.9rem;
}

.news-content h3 {
    color: #111827;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.news-content p {
    color: #6B7280;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: #7C3AED;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #EC4899;
}

.news-more {
    text-align: center;
    margin-top: 3rem;
}

.news-more .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: #6B7280;
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

/* 新闻筛选 */
.news-filter {
    padding: 2rem 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-tab {
    background: transparent;
    border: 2px solid #E5E7EB;
    color: #6B7280;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: #7C3AED;
    color: #7C3AED;
}

.filter-tab.active {
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    border-color: transparent;
    color: white;
}

/* 新闻列表 */
.news-list {
    padding: 3rem 0;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}

.pagination-btn {
    background: white;
    border: 2px solid #E5E7EB;
    color: #6B7280;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    border-color: #7C3AED;
    color: #7C3AED;
}

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

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pagination-number {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination-number:hover {
    background: #F3F4F6;
    color: #7C3AED;
}

.pagination-number.active {
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    color: white;
}

.pagination-dots {
    padding: 0.5rem;
    color: #9CA3AF;
}

/* 导航链接激活状态 */
.nav-menu a.active {
    color: #7C3AED;
    font-weight: 600;
}

.nav-menu a.active::after {
    width: 100%;
}

/* 文章详情页 */
.article {
    padding: 120px 0 0;
    background: white;
}

.article-header {
    padding: 2rem 0;
    text-align: center;
    border-bottom: 1px solid #E5E7EB;
    margin-bottom: 2rem;
}

.article-header h1 {
    font-size: 2.5rem;
    color: #111827;
    margin: 1rem 0;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #6B7280;
}

.article-category {
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-image {
    margin: 2rem 0;
    text-align: center;
}

.article-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.article-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #374151;
}

.article-lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: #111827;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #F9FAFB;
    border-left: 4px solid #7C3AED;
    border-radius: 8px;
}

.article-text h2 {
    font-size: 1.8rem;
    color: #111827;
    margin: 2.5rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #E5E7EB;
}

.article-text h3 {
    font-size: 1.4rem;
    color: #111827;
    margin: 2rem 0 1rem;
}

.article-text h4 {
    font-size: 1.2rem;
    color: #374151;
    margin: 1.5rem 0 0.8rem;
}

.article-text p {
    margin-bottom: 1.5rem;
}

.article-text ul, .article-text ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-text li {
    margin-bottom: 0.8rem;
}

.article-text strong {
    color: #111827;
    font-weight: 600;
}

/* 信息框 */
.info-box {
    background: linear-gradient(135deg, #F3F4F6, #E5E7EB);
    border: 1px solid #D1D5DB;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.info-box h3 {
    color: #111827;
    margin-bottom: 1.5rem;
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.tech-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tech-item i {
    font-size: 2rem;
    color: #7C3AED;
    margin-bottom: 1rem;
}

.tech-item h4 {
    color: #111827;
    margin-bottom: 0.5rem;
}

.tech-item p {
    font-size: 0.9rem;
    color: #6B7280;
    margin: 0;
}

/* 场景网格 */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.scenario-item {
    background: #F9FAFB;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #7C3AED;
}

.scenario-item h4 {
    color: #111827;
    margin-bottom: 0.8rem;
}

.scenario-item p {
    color: #6B7280;
    margin: 0;
    font-size: 0.95rem;
}

/* 文章标签 */
.article-tags {
    margin: 3rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid #E5E7EB;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag {
    background: #F3F4F6;
    color: #6B7280;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #7C3AED;
    color: white;
}

/* 分享按钮 */
.article-share {
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid #E5E7EB;
}

.article-share h3 {
    color: #111827;
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-btn {
    background: white;
    border: 2px solid #E5E7EB;
    color: #6B7280;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.share-btn:hover {
    border-color: #7C3AED;
    color: #7C3AED;
}

.share-btn.weixin:hover {
    border-color: #07C160;
    color: #07C160;
}

.share-btn.weibo:hover {
    border-color: #E6162D;
    color: #E6162D;
}

.share-btn.qq:hover {
    border-color: #12B7F5;
    color: #12B7F5;
}

/* 相关推荐 */
.related-articles {
    padding: 4rem 0;
    background: #F9FAFB;
}

.related-articles h2 {
    text-align: center;
    font-size: 2rem;
    color: #111827;
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.related-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.related-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.related-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.related-item:hover .related-image img {
    transform: scale(1.05);
}

.related-content {
    padding: 1.5rem;
}

.related-content h3 {
    color: #111827;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.related-content p {
    color: #6B7280;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.related-content a {
    color: #7C3AED;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.related-content a:hover {
    color: #EC4899;
}

/* 页脚 */
.footer {
    background: #111827;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: #7C3AED;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #7C3AED;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9CA3AF;
}

.keywords {
    font-size: 0.8rem;
    line-height: 1.4;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 2rem 2rem;
        gap: 1rem;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #F3F4F6;
        padding-bottom: 1rem;
    }

    .nav-menu a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        display: block;
        width: 100%;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 40px;
        min-height: 100vh;
    }

    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }

    .hero .subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-image {
        margin: 1rem 0;
    }

    .hero-image img {
        max-width: 250px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin-top: 2rem;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }

    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tech-stats {
        grid-template-columns: 1fr;
    }

    .section-title h2 {
        font-size: 2rem;
    }

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

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

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

    .page-header {
        padding: 100px 0 60px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 1rem;
    }

    .filter-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .pagination-numbers {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 30px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 0.9rem;
    }

    .hero-image img {
        max-width: 200px;
    }

    .btn-primary, .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        min-width: 160px;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .advantages-text h2 {
        font-size: 1.8rem;
    }

    .nav-menu {
        width: 100%;
        left: -100%;
    }

    .nav-menu.active {
        left: 0;
    }
}

/* 动画增强 */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-primary:hover {
    animation: pulse 1s infinite;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* 首屏按钮优化 */
.hero-buttons-primary {
    margin-bottom: 2rem;
}

.btn-primary-hero {
    font-size: 1.3rem;
    padding: 1.3rem 2.8rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

.btn-primary-hero:hover {
    animation: none;
}

/* 固定CTA按钮 */
.fixed-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background: linear-gradient(135deg, #7C3AED, #EC4899);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(100px);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fixed-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.6);
}

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端固定CTA优化 */
@media (max-width: 768px) {
    .fixed-cta {
        bottom: 15px;
        right: 15px;
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons-primary {
        margin-bottom: 1.5rem;
    }
    
    .btn-primary-hero {
        font-size: 1.2rem;
        padding: 1.2rem 2.5rem;
    }
}