/* 正途律合官网样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --secondary-color: #f97316;
    --secondary-light: #fb923c;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-gray: #f9fafb;
    --bg-light: #f3f4f6;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

img {
    max-width: 100%;
    height: auto;
}

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

/* 顶部导航 */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-gray);
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav a:hover,
.nav a.active {
    color: var(--primary-color);
    background-color: #eff6ff;
}

/* Hero Banner */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(255,255,255,0.15);
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn-outline {
    background-color: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: white;
    color: white;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-placeholder {
    width: 400px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
}

/* 通用区块 */
.section {
    padding: 80px 0;
}

.section-gray {
    background-color: var(--bg-gray);
}

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

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 特色功能 */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
}

/* 产品展示 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 600;
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-content p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

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

.product-tag {
    padding: 4px 12px;
    background-color: #eff6ff;
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 13px;
}

/* 师资团队 */
.teachers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.teacher-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.teacher-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.teacher-avatar {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary-color);
}

.teacher-info {
    padding: 20px;
    text-align: center;
}

.teacher-info h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.teacher-title {
    font-size: 13px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.teacher-desc {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 新闻列表 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image {
    height: 180px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.news-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 关于我们页面 */
.about-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
}

.about-hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-hero p {
    font-size: 16px;
    opacity: 0.9;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-image {
    height: 350px;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--primary-color);
}

/* 发展历程 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-gray);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.culture-card {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.culture-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.culture-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.culture-card p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 联系我们 */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: #eff6ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--text-gray);
    font-size: 14px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* 页面内容区 */
.page-content {
    padding: 60px 0;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-gray);
    font-size: 16px;
}

/* 新闻详情页样式 */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.article-content h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-meta {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-body {
    line-height: 1.9;
    color: var(--text-dark);
}

.article-body h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 15px;
}

.article-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 25px 0 12px;
}

.article-body p {
    margin-bottom: 16px;
    color: #374151;
}

.article-body ul,
.article-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
    color: #374151;
}

/* 法律页面样式（隐私政策、服务条款） */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.legal-content h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.legal-update {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.legal-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 15px;
    color: var(--text-dark);
}

.legal-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 20px 0 10px;
}

.legal-content p {
    margin-bottom: 12px;
    color: #374151;
    line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 8px;
    color: #374151;
    line-height: 1.7;
}

/* CTA 区块 */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* 页脚 */
.footer {
    background-color: #1f2937;
    color: #9ca3af;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-contact {
    font-size: 14px;
}

.footer-contact p {
    margin-bottom: 8px;
}

.footer-column h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.footer-column a {
    color: #9ca3af;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid #374151;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

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

/* 数据统计 */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-item p {
    color: var(--text-gray);
    font-size: 15px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .features,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .teachers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features,
    .products-grid,
    .news-grid,
    .teachers-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav {
        display: none;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        padding-left: 50px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}