/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #0f2a5c 0%, #1e3c72 50%, #2a5298 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

/* 主容器 - 2:8比例布局，左侧紧贴屏幕左侧 */
.container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
}

/* 左侧边栏 - 20%宽度，紧贴屏幕左侧 */
.sidebar {
    width: 20%;
    background: rgba(15, 42, 92, 0.95);
    color: white;
    padding: 30px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* 右侧内容区域 - 80%宽度，铺满剩余屏幕 */
.content {
    width: 80%;
    padding: 40px;
    background: #fff;
    overflow-y: auto;
}

/* 网站Logo和标题 */
.site-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.site-logo {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.site-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

/* 导航菜单 */
.nav-menu {
    list-style: none;
    margin-bottom: 40px;
}

.nav-item {
    margin-bottom: 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateX(5px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-left: 4px solid #4dabf7;
}

.nav-icon {
    margin-right: 12px;
    font-size: 18px;
}

/* 内容区域样式 */
.content-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.content-title {
    font-size: 32px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}

.content-subtitle {
    font-size: 16px;
    color: #666;
    font-weight: 400;
}

/* 卡片样式 - 参考36kr风格 */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.card-title {
    font-size: 20px;
    color: #1e3c72;
    margin-bottom: 16px;
    font-weight: 600;
}

/* 网格布局 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.grid-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.grid-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.grid-content {
    padding: 20px;
}

.grid-title {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 600;
}

.grid-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 82, 152, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid #1e3c72;
    color: #1e3c72;
}

.btn-outline:hover {
    background: #1e3c72;
    color: white;
}

/* 新闻列表项样式 - 更大气 */
.news-item {
    display: flex;
    margin-bottom: 40px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 2px solid #f0f0f0;
    transition: all 0.4s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #1e3c72;
}

.news-item:last-child {
    margin-bottom: 0;
}

.news-date {
    flex: 0 0 100px;
    text-align: center;
    margin-right: 30px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-radius: 12px;
    padding: 20px 10px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 120px;
}

.news-day {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.news-month {
    display: block;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 8px;
    font-weight: 600;
}

.news-year {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.news-content {
    flex: 1;
}

.news-title {
    font-size: 24px;
    color: #1e3c72;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.3;
}

.news-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 25px;
    font-size: 15px;
    color: #666;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.news-meta span:hover {
    background: #1e3c72;
    color: white;
}

.news-meta i {
    font-size: 14px;
}

.news-meta .btn-outline {
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    border-width: 2px;
    margin-left: auto;
    white-space: nowrap;
}

.news-meta .btn-outline:hover {
    background: #1e3c72;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 60, 114, 0.3);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .news-item {
        flex-direction: column;
        padding: 25px;
    }
    
    .news-date {
        flex: 0 0 auto;
        margin-right: 0;
        margin-bottom: 20px;
        width: 100px;
        align-self: center;
    }
    
    .news-title {
        font-size: 20px;
    }
    
    .news-desc {
        font-size: 15px;
    }
    
    .news-meta {
        flex-wrap: wrap;
        gap: 15px;
    }
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    background: #f8f9fa;
    color: #666;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    white-space: nowrap;
}

.page-link:hover {
    background: #e9ecef;
    color: #1e3c72;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-link.active {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-color: #1e3c72;
}

.page-link.active:hover {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
}

/* 标签样式 */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tag {
    display: inline-block;
    padding: 6px 16px;
    background: #f8f9fa;
    color: #666;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.tag:hover {
    background: #1e3c72;
    color: white;
    border-color: #1e3c72;
    transform: translateY(-2px);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: #1e3c72;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .sidebar {
        width: 25%;
    }
    
    .content {
        width: 75%;
    }
}

@media (max-width: 992px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 20px;
    }
    
    .content {
        width: 100%;
        padding: 30px 20px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-menu.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 20px 15px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .content-title {
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    .card {
        padding: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .site-logo {
        font-size: 22px;
    }
}

/* 发展历程时间线样式 - 更大气 */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 100px;
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(30, 60, 114, 0.3);
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #1e3c72;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.timeline-content h3 {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
    font-size: 16px;
}

/* 合作伙伴样式 - 更大气 */
.partners {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.partner-logo {
    background: white;
    border-radius: 15px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.partner-logo:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #1e3c72;
}

.partner-logo i {
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.partner-logo:hover i {
    transform: scale(1.2);
}

.partner-logo p {
    font-size: 18px;
    color: #1e3c72;
    font-weight: 600;
    margin-top: 15px;
}

/* 联系我们样式 - 更大气 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.contact-item {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #1e3c72;
}

.contact-item i {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    transform: scale(1.1);
}

.contact-item div {
    flex: 1;
}

.contact-item h3 {
    font-size: 20px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
    font-size: 16px;
    margin-bottom: 5px;
}

/* 页脚样式 */
.footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
    text-align: center;
    color: #666;
    font-size: 14px;
}

/* 工具类 */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.p-20 { padding: 20px; }

/* 服务项目列表样式 */
.service-list {
    list-style: none;
    margin: 15px 0;
    padding: 0;
}

.service-list li {
    position: relative;
    padding: 8px 0 8px 25px;
    color: #555;
    font-size: 14px;
    line-height: 1.5;
    border-bottom: 1px solid #f0f0f0;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2ecc71;
    font-weight: bold;
}

/* 价格标签样式 */
.price-tag {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #1e3c72;
    font-weight: 700;
    border-radius: 20px;
    border: 1px solid #dee2e6;
    font-size: 16px;
}

/* 服务流程样式 - 更大气 */
.process {
    margin-top: 40px;
    position: relative;
}

.process:before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
    border-radius: 2px;
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
    padding-left: 70px;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(30, 60, 114, 0.3);
    z-index: 2;
    transition: all 0.3s ease;
}

.process-step:hover .process-number {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(30, 60, 114, 0.4);
}

.process-content {
    flex: 1;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #1e3c72;
    transition: all 0.3s ease;
}

.process-step:hover .process-content {
    transform: translateX(10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.process-content h3 {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 12px;
    font-weight: 700;
}

.process-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-left: 0;
        padding-top: 70px;
    }
    
    .process:before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .process-number {
        left: 50%;
        transform: translateX(-50%);
        top: 0;
    }
    
    .process-step:hover .process-number {
        transform: translateX(-50%) scale(1.1);
    }
    
    .process-content {
        width: 100%;
        margin-top: 20px;
    }
    
    .process-step:hover .process-content {
        transform: translateY(5px);
    }
}

/* 核心服务卡片优化样式 */
.service-card {
    background: white;
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid #f0f0f0;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #1e3c72;
}

.service-card:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #1e3c72;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    transform: scale(1.1);
}

.service-card-title {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 15px;
    font-weight: 700;
}

.service-card-desc {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    color: #555;
    font-size: 14px;
    position: relative;
    padding-left: 25px;
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2ecc71;
    font-weight: bold;
}

.service-card-btn {
    display: inline-block;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    margin-top: 15px;
}

.service-card-btn:hover {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 60, 114, 0.3);
}

/* 团队样式 - 更大气 */
.team-member {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid #f0f0f0;
    height: 100%;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #1e3c72;
}

.team-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.team-info {
    padding: 30px;
    text-align: center;
}

.team-name {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 8px;
    font-weight: 700;
}

.team-position {
    font-size: 16px;
    color: #3498db;
    margin-bottom: 15px;
    font-weight: 600;
}

.team-desc {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

/* 团队网格布局 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

/* 服务网格布局 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .process-number {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .service-list li {
        padding-left: 20px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 25px 20px;
    }
}