        /* 全局样式 */
        * {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Roboto, sans-serif;
        }
        
        :root {
--primary: #2563EB;
--secondary: #1E293B;
--light: #F8FAFC;
--white: #FFFFFF;
--gray: #64748B;
--sidebar-width: 280px;
--transition: all 0.3s ease;
        }
        
        body {
background-color: var(--light);
color: var(--secondary);
overflow-x: hidden;
        }
        
        a {
text-decoration: none;
color: inherit;
transition: var(--transition);
        }
        
        /* 侧边导航 */
        .sidebar {
position: fixed;
top: 0;
left: 0;
width: var(--sidebar-width);
height: 100vh;
background-color: var(--secondary);
color: var(--white);
padding: 40px 20px;
display: flex;
flex-direction: column;
z-index: 100;
overflow-y: auto;
transition: var(--transition);
        }
        
        .logo-container {
text-align: center;
margin-bottom: 60px;
padding-bottom: 20px;
border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        
        .logo {
font-size: 28px;
font-weight: 700;
color: var(--white);
display: inline-flex;
align-items: center;
gap: 10px;
        }
        
        .logo i {
color: var(--primary);
        }
        
        .nav-list {
list-style: none;
margin-bottom: auto;
        }
        
        .nav-item {
margin-bottom: 10px;
        }
        
        .nav-link {
display: flex;
align-items: center;
gap: 15px;
padding: 15px 20px;
border-radius: 8px;
color: #94A3B8;
font-weight: 500;
        }
        
        .nav-link:hover, .nav-link.active {
background-color: rgba(255,255,255,0.1);
color: var(--white);
        }
        
        .nav-link i {
font-size: 20px;
width: 24px;
text-align: center;
        }
        
        .auth-buttons {
display: flex;
flex-direction: column;
gap: 10px;
margin-top: 30px;
        }
        
        .btn {
padding: 12px 20px;
border-radius: 8px;
font-weight: 600;
text-align: center;
border: none;
cursor: pointer;
transition: var(--transition);
        }
        
        .btn-outline {
background-color: transparent;
color: var(--white);
border: 1px solid rgba(255,255,255,0.2);
        }
        
        .btn-outline:hover {
background-color: rgba(255,255,255,0.1);
        }
        
        .btn-primary {
background-color: var(--primary);
color: var(--white);
        }
        
        .btn-primary:hover {
background-color: #1D4ED8;
        }
        
        /* 主内容区 */
        .main-content {

min-height: 100vh;
position: relative;
z-index: 1;
        }
        
        /* 移动端菜单按钮 */
        .mobile-menu-btn {
position: fixed;
top: 20px;
left: 20px;
width: 50px;
height: 50px;
background-color: var(--primary);
color: var(--white);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 24px;
z-index: 998;
box-shadow: 0 4px 12px rgba(0,0,0,0.2);
cursor: pointer;
        }
        
        /* 英雄区 - 全屏设计 */
        .hero-section {
height: 100vh;
display: flex;
align-items: center;
padding: 0 80px;
color: var(--white);
overflow: hidden;
position: relative;
        }
        
        /* 英雄区背景图片容器 */
        .hero-bg {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
        }
        
        .hero-bg img {
width: 100%;
height: 100%;
object-fit: cover;
        }
        
        /* 英雄区遮罩层 */
        .hero-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0,0,0,0.7);
z-index: -1;
        }
        
        .hero-content {
max-width: 600px;
position: relative;
z-index: 1;
        }
        
        .hero-content h1 {
font-size: 64px;
font-weight: 800;
line-height: 1.2;
margin-bottom: 20px;
        }
        
        .hero-content h1 span {
color: var(--primary);
        }
        
        .hero-content p {
font-size: 20px;
margin-bottom: 40px;
line-height: 1.6;
opacity: 0.9;
        }
        
        .hero-buttons {
display: flex;
gap: 20px;
        }
        
        /* 特点区域 - 卡片悬浮布局 */
        .features-section {
padding: 100px 80px;
background-color: var(--white);
        }
        
        .section-title {
text-align: center;
margin-bottom: 80px;
        }
        
        .section-title h2 {
font-size: 48px;
font-weight: 700;
margin-bottom: 20px;
        }
        
        .section-title p {
font-size: 18px;
color: var(--gray);
max-width: 700px;
margin: 0 auto;
        }
        
        .features-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 30px;
        }
        
        .feature-card {
background-color: var(--light);
border-radius: 12px;
padding: 40px 30px;
text-align: center;
transition: var(--transition);
border: 1px solid transparent;
        }
        
        .feature-card:hover {
transform: translateY(-10px);
box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
border-color: var(--primary);
        }
        
        .feature-icon {
width: 80px;
height: 80px;
background-color: rgba(37, 99, 235, 0.1);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 25px;
        }
        
        .feature-icon i {
font-size: 32px;
color: var(--primary);
        }
        
        .feature-card h3 {
font-size: 24px;
font-weight: 600;
margin-bottom: 15px;
        }
        
        .feature-card p {
color: var(--gray);
line-height: 1.6;
        }
        
        /* 用户评价区域 */
        .testimonials-section {
padding: 100px 80px;
background-color: var(--light);
        }
        
        .testimonials-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 30px;
        }
        
        .testimonial-card {
background-color: var(--white);
border-radius: 12px;
padding: 40px 30px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
transition: var(--transition);
position: relative;
        }
        
        .testimonial-card:hover {
transform: translateY(-5px);
box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
        }
        
        .testimonial-quote {
font-size: 48px;
color: var(--primary);
opacity: 0.2;
position: absolute;
top: 20px;
left: 30px;
        }
        
        .testimonial-text {
font-size: 18px;
line-height: 1.8;
color: var(--secondary);
margin-bottom: 30px;
padding-top: 20px;
position: relative;
z-index: 2;
        }
        
        .testimonial-author {
display: flex;
align-items: center;
gap: 20px;
        }
        
        .author-avatar {
width: 70px;
height: 70px;
border-radius: 50%;
overflow: hidden;
        }
        
        .author-avatar img {
width: 100%;
height: 100%;
object-fit: cover;
        }
        
        .author-info h4 {
font-size: 18px;
font-weight: 600;
margin-bottom: 5px;
        }
        
        .author-info p {
color: var(--gray);
font-size: 14px;
        }
        
        /* 新闻区域 - 统一高度 紧凑版 */
        .news-section {
padding: 100px 80px;
background-color: var(--white);
        }
        
        .news-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 30px;
        }
        
        .news-card {
background-color: var(--white);
border-radius: 12px;
overflow: hidden;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
transition: var(--transition);
height: 100%;
        }
        
        .news-card:hover {
transform: translateY(-5px);
        }
        
        /* 统一新闻图片高度 */
        .news-img {
width: 100%;
height: 200px;
overflow: hidden;
        }
        
        .news-img img {
width: 100%;
height: 100%;
object-fit: cover;
transition: var(--transition);
        }
        
        .news-card:hover .news-img img {
transform: scale(1.05);
        }
        
        .news-content {
padding: 20px;
        }
        
        .news-category {
display: inline-block;
padding: 5px 12px;
background-color: var(--primary);
color: var(--white);
border-radius: 20px;
font-size: 12px;
margin-bottom: 10px;
        }
        
        .news-card h3 {
font-size: 18px;
font-weight: 600;
margin-bottom: 10px;
line-height: 1.4;
        }
        
        .news-card p {
color: var(--gray);
line-height: 1.5;
font-size: 14px;
        }
        
        /* 下载区域 */
        .download-section {
position: relative;
padding: 80px;
background-color: var(--primary);
color: var(--white);
overflow: hidden;
        }
        
        .download-container {
display: flex;
justify-content: space-between;
align-items: center;
min-height: 300px;
        }
        
        .download-content h2 {
font-size: 40px;
font-weight: 700;
margin-bottom: 20px;
        }
        
        .download-content p {
font-size: 18px;
max-width: 500px;
margin-bottom: 30px;
opacity: 0.9;
        }
        
        .download-buttons {
display: flex;
gap: 20px;
        }
        
        .download-btn {
display: flex;
align-items: center;
gap: 15px;
background-color: var(--white);
color: var(--primary);
padding: 15px 30px;
border-radius: 8px;
font-weight: 600;
transition: var(--transition);
        }
        
        .download-btn:hover {
transform: translateY(-5px);
box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        
        .download-btn i {
font-size: 28px;
        }
        
        .download-img {
position: absolute;
right: 80px;
bottom: 0;
width: 300px;
z-index: 1;
        }
        
        .download-img img {
width: 100%;
object-fit: contain;
        }
        
        /* 页脚 */
        footer {
background-color: var(--secondary);
color: var(--white);
padding: 60px 80px 30px;

clear: both;
        }
        
        .footer-container {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
gap: 40px;
margin-bottom: 40px;
        }
        
        .footer-col {
flex: 1;
min-width: 200px;
        }
        
        .footer-col h4 {
font-size: 18px;
font-weight: 600;
margin-bottom: 20px;
position: relative;
padding-bottom: 10px;
        }
        
        .footer-col h4:after {
content: '';
position: absolute;
bottom: 0;
left: 0;
width: 40px;
height: 2px;
background-color: var(--primary);
        }
        
        .footer-col ul {
list-style: none;
        }
        
        .footer-col ul li {
margin-bottom: 10px;
        }
        
        .footer-col ul li a {
color: #94A3B8;
transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
color: var(--white);
padding-left: 5px;
        }
        
        .footer-bottom {
text-align: center;
padding-top: 40px;
border-top: 1px solid rgba(255,255,255,0.1);
color: #94A3B8;
font-size: 14px;
        }
        
        /* 移动端适配 */
        @media (min-width: 1201px) {
.mobile-menu-btn {
    display: none;
}
        }
        
        @media (max-width: 1200px) {
.sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 999;
}

.sidebar.active {
    transform: translateX(0);
}

.main-content, footer {
    margin-left: 0;
}

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

.download-img {
    display: none;
}

.testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
}
        }
        
        @media (max-width: 768px) {
.hero-section {
    padding: 0 40px;
}

.hero-content h1 {
    font-size: 48px;
}

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

.features-section, .testimonials-section, .news-section, .download-section {
    padding: 60px 40px;
}

.download-container {
    flex-direction: column;
    text-align: center;
}

.download-buttons {
    flex-direction: column;
    width: 100%;
}

.download-btn {
    justify-content: center;
}

.news-img {
    height: 180px;
}
        }
        
               /* 分页容器基础样式 */
.mt-12.flex {
  display: flex;
  justify-content: center; /* 居中显示 */
  align-items: center;
  margin-top: 48px; /* 对应 mt-12 的间距，可根据需求调整 */
  padding: 16px 0;
}

.epages {
  display: flex;
  flex-wrap: wrap; /* 适配小屏幕自动换行 */
  gap: 8px; /* 按钮之间的间距 */
  align-items: center;
}

/* 分页按钮通用样式 */
.epages a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 8px 16px;
  min-width: 40px;
  height: 40px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb; /* 浅灰色边框 */
  border-radius: 6px; /* 圆角 */
  color: #333333; /* 文字颜色 */
  text-decoration: none; /* 去掉下划线 */
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease; /* 过渡动画 */
  cursor: pointer;
}

/* 鼠标悬停效果 */
.epages a:hover:not(.active) {
  background-color: #f9fafb;
  border-color: #d1d5db;
  color: #165dff; /* 主题色 */
}

/* 激活状态（当前页） */
.epages a.active {
  background-color: #165dff; /* 主题色 */
  border-color: #165dff;
  color: #ffffff;
  font-weight: 600;
}

/* 禁用状态（可选，比如首页没有上一页时） */
.epages a.disabled {
  color: #9ca3af;
  cursor: not-allowed;
  background-color: #f9fafb;
  border-color: #e5e7eb;
}

/* 响应式适配：小屏幕下缩小按钮尺寸 */
@media (max-width: 640px) {
  .epages a {
    padding: 6px 12px;
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
}