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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2563eb;
    font-size: 24px;
    font-weight: bold;
}

.logo-icon {
    margin-right: 8px;
    font-size: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2563eb;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
}

.nav-auth {
    display: flex;
    gap: 10px;
}

.btn-login,
.btn-register {
    padding: 8px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-login {
    color: #2563eb;
    border: 1px solid #2563eb;
    background: transparent;
}

.btn-login:hover {
    background: #2563eb;
    color: #fff;
}

.btn-register {
    color: #fff;
    background: #2563eb;
    border: 1px solid #2563eb;
}

.btn-register:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

/* 用户菜单 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-name {
    font-size: 14px;
    color: #374151;
    font-weight: 500;
}

.vip-badge {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.btn-logout {
    padding: 6px 16px;
    background: #ef4444;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
}

.btn-logout:hover {
    background: #dc2626;
}

/* 首页Banner */
.hero {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    padding: 80px 20px;
    text-align: center;
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero .highlight {
    color: #fde047;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
}

.btn-primary {
    padding: 14px 32px;
    background: #fde047;
    color: #1e3a8a;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary:hover {
    background: #facc15;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-secondary {
    padding: 14px 32px;
    background: transparent;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid #fff;
    transition: all 0.3s;
    display: inline-block;
}

.btn-secondary:hover {
    background: #fff;
    color: #2563eb;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 文章区域 */
.articles-section {
    padding: 60px 0;
    background: #fff;
}

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

.section-header h2 {
    font-size: 32px;
    color: #1e293b;
}

.view-more {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.view-more:hover {
    color: #1d4ed8;
}

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

.article-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.article-content {
    padding: 20px;
}

.article-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1e293b;
    line-height: 1.4;
}

.article-excerpt {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #94a3b8;
}

.article-content h3 a {
    text-decoration: none;
    color: inherit;
}

.article-content h3 a:hover {
    color: #2563eb;
}

/* 会员推广 */
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
}

.vip-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.vip-promo h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

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

.vip-promo .price {
    color: #fde047;
    font-size: 28px;
    font-weight: 700;
}

.vip-benefits {
    list-style: none;
    text-align: left;
    display: inline-block;
    margin-bottom: 30px;
}

.vip-benefits li {
    padding: 8px 0;
    font-size: 16px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* 页脚 */
.footer {
    background: #1e293b;
    color: #94a3b8;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .logo-icon {
    font-size: 32px;
}

.footer-brand .logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}

.footer-brand p {
    margin-top: 10px;
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
}

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

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
}

/* 登录/注册页面 */
.auth-page {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 100%);
    padding: 40px 20px;
}

.auth-container {
    display: flex;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 900px;
    width: 100%;
}

.auth-box {
    flex: 1;
    padding: 50px;
}

.auth-header {
    margin-bottom: 30px;
}

.auth-header h2 {
    font-size: 28px;
    color: #1e293b;
    margin-bottom: 8px;
}

.auth-header p {
    color: #64748b;
    font-size: 14px;
}

.auth-form {
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.forgot-password {
    float: right;
    font-size: 13px;
    color: #2563eb;
    text-decoration: none;
    margin-top: 5px;
}

.remember-me,
.agreement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
}

.remember-me input,
.agreement input {
    width: 16px;
    height: 16px;
}

.agreement a {
    color: #2563eb;
    text-decoration: none;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #1d4ed8;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: #9ca3af;
    font-size: 14px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}

.auth-divider span {
    padding: 0 15px;
}

.social-login {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.btn-social {
    flex: 1;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.btn-social:hover {
    background: #f9fafb;
}

.auth-footer {
    text-align: center;
    font-size: 14px;
    color: #6b7280;
}

.auth-footer a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

.auth-image {
    flex: 1;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 50px;
}

.auth-image-content {
    text-align: center;
}

.auth-image-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.auth-image-content p {
    opacity: 0.9;
    margin-bottom: 30px;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.feature-icon {
    font-size: 20px;
}

/* 会员页面 */
.vip-page {
    padding: 60px 0;
    background: #f8f9fa;
}

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

.vip-header h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 10px;
}

.vip-header p {
    color: #64748b;
    font-size: 18px;
}

.vip-benefits-section {
    margin-bottom: 60px;
}

.vip-benefits-section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #1e293b;
}

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

.benefit-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.benefit-card h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1e293b;
}

.benefit-card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

/* 价格方案 */
.pricing-section {
    margin-bottom: 60px;
}

.pricing-section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #1e293b;
}

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

.pricing-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.pricing-card.recommended {
    border: 2px solid #2563eb;
    transform: scale(1.05);
}

.pricing-card.best-value {
    border: 2px solid #f59e0b;
}

.pricing-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #ef4444;
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card.recommended .pricing-badge {
    background: #2563eb;
}

.pricing-header {
    text-align: center;
    margin-bottom: 25px;
}

.pricing-header h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e293b;
}

.pricing-price {
    margin-bottom: 5px;
}

.pricing-price .currency {
    font-size: 24px;
    font-weight: 600;
    color: #2563eb;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 700;
    color: #2563eb;
}

.pricing-price .period {
    font-size: 16px;
    color: #64748b;
}

.pricing-original {
    font-size: 14px;
    color: #9ca3af;
    text-decoration: line-through;
}

.pricing-features {
    list-style: none;
    margin-bottom: 25px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: #374151;
    border-bottom: 1px solid #f3f4f6;
}

.btn-pricing {
    width: 100%;
    padding: 14px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-pricing:hover {
    background: #1d4ed8;
}

/* 支付区域 */
.payment-section {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.payment-section h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #1e293b;
}

.payment-summary {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.payment-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    color: #374151;
    border-bottom: 1px solid #e5e7eb;
}

.payment-item.total {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    border-bottom: none;
    padding-top: 15px;
}

.payment-amount {
    color: #ef4444;
    font-size: 24px;
    font-weight: 700;
}

.payment-methods {
    margin-bottom: 30px;
}

.payment-methods h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #1e293b;
}

.payment-options {
    display: flex;
    gap: 15px;
}

.payment-option {
    flex: 1;
    cursor: pointer;
}

.payment-option input {
    display: none;
}

.payment-option-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: border-color 0.3s;
}

.payment-option.active .payment-option-content,
.payment-option input:checked + .payment-option-content {
    border-color: #2563eb;
    background: #eff6ff;
}

.payment-icon {
    font-size: 24px;
}

.payment-name {
    font-size: 16px;
    font-weight: 500;
}

.payment-qr {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: #f8f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #d1d5db;
}

.qr-placeholder {
    text-align: center;
    color: #9ca3af;
}

.qr-placeholder span {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
}

.qr-placeholder p {
    font-size: 12px;
}

.payment-security {
    text-align: center;
    color: #6b7280;
    font-size: 14px;
}

.payment-security p {
    margin-bottom: 5px;
}

/* 文章列表页 */
.articles-page {
    padding: 60px 0;
    background: #f8f9fa;
}

.articles-header {
    margin-bottom: 40px;
}

.articles-header h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1e293b;
}

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

.filter-btn {
    padding: 8px 16px;
    border: 1px solid #d1d5db;
    border-radius: 20px;
    background: #fff;
    color: #374151;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.article-list-item {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.article-list-content {
    flex: 1;
    padding: 20px;
}

.article-list-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1e293b;
}

.article-list-content .article-excerpt {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.article-list-content h3 a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-list-content h3 a:hover {
    color: #2563eb;
}

.article-list-content .article-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #94a3b8;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

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

/* 关于页面 */
.about-page {
    padding: 60px 0;
    background: #f8f9fa;
}

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

.about-header h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 10px;
}

.about-header p {
    color: #64748b;
    font-size: 18px;
}

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

.about-section {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.about-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1e293b;
}

.about-section p {
    color: #374151;
    line-height: 1.8;
    margin-bottom: 15px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.team-member {
    text-align: center;
}

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.team-member h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #1e293b;
}

.team-member p {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 5px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    gap: 10px;
    font-size: 16px;
}

.contact-label {
    font-weight: 600;
    color: #1e293b;
}

.contact-value {
    color: #374151;
}

/* FAQ页面 */
.faq-page {
    padding: 60px 0;
    background: #f8f9fa;
}

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

.faq-header h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 10px;
}

.faq-header p {
    color: #64748b;
    font-size: 18px;
}

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

.faq-category {
    margin-bottom: 40px;
}

.faq-category h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1e293b;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-weight: 500;
    color: #1e293b;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-toggle {
    font-size: 20px;
    color: #2563eb;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 200px;
}

.faq-answer p {
    color: #64748b;
    line-height: 1.6;
}

/* 法律页面 */
.legal-page {
    padding: 60px 0;
    background: #f8f9fa;
}

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

.legal-header h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 10px;
}

.legal-header p {
    color: #64748b;
    font-size: 14px;
}

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

.legal-section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.legal-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e293b;
}

.legal-section p {
    color: #374151;
    line-height: 1.8;
    margin-bottom: 10px;
}

.legal-section ul {
    margin-left: 20px;
    color: #374151;
}

.legal-section li {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

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

    .auth-container {
        flex-direction: column;
    }

    .auth-image {
        display: none;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card.recommended {
        transform: none;
    }

    .article-list-item {
        flex-direction: column;
    }

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