/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4A90E2;
    --primary-dark: #357ABD;
    --secondary-color: #7B68EE;
    --accent-color: #FF6B6B;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --text-primary: #2C3E50;
    --text-secondary: #5D6D7E;
    --text-light: #95A5A6;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-dark: #2C3E50;
    --border-color: #E5E8E8;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
}

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-premium {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #333;
    font-weight: 600;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 24px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* 顶部横幅 */
.hero-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::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 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

/* 区块标题 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-header h2 i {
    color: var(--primary-color);
}

.view-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.view-more:hover {
    gap: 10px;
}

/* 每日快讯 */
.news-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.news-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

/* 快讯卡片作为链接时重置默认样式 */
a.news-card {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.news-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05), rgba(123, 104, 238, 0.05));
    border: 1px solid rgba(74, 144, 226, 0.1);
}

.news-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.news-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-meta {
    display: flex;
    gap: 16px;
    color: var(--text-light);
    font-size: 13px;
}

.news-meta i {
    margin-right: 4px;
}

/* 快讯自动更新标识 */
.news-auto-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: rgba(39,174,96,0.1);
    color: var(--success-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 12px;
}

.news-loading,
.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--text-light);
    font-size: 15px;
}

/* 资源板块 */
.resources-section {
    padding: 60px 0;
}

.resource-category {
    margin-bottom: 60px;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.category-header h3 {
    font-size: 22px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-header h3 i {
    color: var(--primary-color);
}

.category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 资源卡片 */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.resource-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.resource-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    margin-bottom: 16px;
}

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

.resource-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.resource-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 12px;
    font-size: 12px;
}

.resource-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}

/* 工具卡片 */
.tool-card {
    position: relative;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.tool-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.tool-info h4 {
    font-size: 16px;
    margin-bottom: 2px;
}

.tool-category {
    font-size: 12px;
    color: var(--text-light);
}

.price-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.price-tag.free {
    background: #E8F5E9;
    color: var(--success-color);
}

.price-tag.paid {
    background: #FFF3E0;
    color: var(--warning-color);
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tool-features span {
    font-size: 13px;
    color: var(--text-secondary);
}

.tool-features i {
    color: var(--success-color);
    margin-right: 4px;
    font-size: 11px;
}

.tool-footer {
    display: flex;
    gap: 8px;
}

/* 智能体卡片 */
.agent-card {
    position: relative;
    text-align: center;
}

.agent-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.agent-badge.free {
    background: #E8F5E9;
    color: var(--success-color);
}

.agent-badge.premium {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #333;
}

.agent-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    margin: 0 auto 16px;
}

.agent-stats {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.agent-stats i {
    margin-right: 4px;
    color: var(--primary-color);
}

/* 课程卡片 */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.course-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.course-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.course-level {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: rgba(0,0,0,0.7);
    color: white;
    border-radius: 12px;
    font-size: 12px;
}

.course-content {
    padding: 20px;
}

.course-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.course-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.course-meta {
    display: flex;
    gap: 16px;
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 12px;
}

.course-meta i {
    margin-right: 4px;
}

.course-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.price {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-color);
}

.original-price {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: line-through;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-rating {
    color: var(--warning-color);
    font-weight: 500;
}

.course-rating i {
    margin-right: 4px;
}

/* 文章列表 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-card {
    display: flex;
    gap: 20px;
    background: white;
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.article-card:hover {
    box-shadow: var(--shadow-md);
}

.article-image {
    width: 200px;
    height: 150px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.article-tags .tag {
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.article-content p {
    color: var(--text-secondary);
    font-size: 14px;
    flex: 1;
}

.article-meta {
    display: flex;
    gap: 16px;
    color: var(--text-light);
    font-size: 13px;
    margin-top: 12px;
}

.article-meta i {
    margin-right: 4px;
}

/* 书籍板块 */
.books-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.03), rgba(123, 104, 238, 0.03));
}

.books-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.book-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.book-cover {
    width: 150px;
    height: 220px;
    margin: 0 auto 16px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.book-target {
    font-size: 13px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.book-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* 学员成果 */
.testimonials-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info h4 {
    font-size: 16px;
    font-weight: 600;
}

.user-info span {
    font-size: 13px;
    color: var(--text-light);
}

.testimonial-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.achievement {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #E8F5E9;
    color: var(--success-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

/* 会员专区 */
.membership-section {
    padding: 60px 0;
}

.membership-card {
    background: linear-gradient(135deg, #2C3E50 0%, #1a252f 100%);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: white;
    position: relative;
    overflow: hidden;
}

.membership-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.membership-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.membership-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #333;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.membership-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.membership-desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.membership-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.feature-item i {
    color: #FFD700;
}

.membership-cta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.price-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-box .price {
    font-size: 48px;
    font-weight: 700;
    color: #FFD700;
}

.price-box .period {
    font-size: 18px;
    opacity: 0.8;
}

.price-box .original {
    font-size: 16px;
    text-decoration: line-through;
    opacity: 0.6;
    margin-left: 8px;
}

.trial-note {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 12px;
}

/* 副业资源 */
.freelance-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.freelance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

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

.freelance-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.freelance-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin: 0 auto 16px;
}

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

.freelance-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.freelance-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
}

.freelance-stats .hot {
    padding: 2px 8px;
    background: var(--accent-color);
    color: white;
    border-radius: 10px;
    font-size: 11px;
}

.freelance-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    padding: 32px;
    color: white;
    text-align: center;
}

.freelance-banner h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.freelance-banner p {
    opacity: 0.9;
    margin-bottom: 20px;
}

/* 互动功能区 */
.interaction-section {
    padding: 60px 0;
}

.interaction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.interaction-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.interaction-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.interaction-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.interaction-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.interaction-card > p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.feedback-form,
.submit-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feedback-form input,
.feedback-form select,
.feedback-form textarea,
.submit-form input,
.submit-form select,
.submit-form textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.feedback-form input:focus,
.feedback-form select:focus,
.feedback-form textarea:focus,
.submit-form input:focus,
.submit-form select:focus,
.submit-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.urgent-service {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--warning-color);
}

.urgent-service i {
    color: var(--warning-color);
}

/* 打卡卡片 */
.checkin-card {
    text-align: center;
}

.checkin-preview {
    margin-bottom: 20px;
}

.checkin-card-preview {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: var(--radius-md);
    padding: 24px;
    color: white;
    max-width: 280px;
    margin: 0 auto;
}

.checkin-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 14px;
}

.checkin-day {
    font-weight: 700;
    font-size: 18px;
}

.checkin-streak {
    opacity: 0.9;
}

.checkin-content {
    text-align: left;
    margin-bottom: 16px;
}

.checkin-content p {
    margin-bottom: 4px;
    font-size: 14px;
}

.checkin-footer {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    opacity: 0.8;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.checkin-note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-light);
}

/* 微信二维码（收录合作） */
.wechat-qr-card {
    text-align: center;
}

.wechat-qr-grid {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 20px;
}

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

.qr-img {
    width: 150px;
    height: 150px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.qr-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-img-empty {
    border-style: dashed;
    background: rgba(7, 193, 96, 0.05);
    color: #07C160;
    font-size: 56px;
}

.qr-label {
    margin-top: 12px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

.qr-note {
    margin-top: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 24px;
}

/* ============ 备案与主体信息区（公安联网备案专用） ============ */
.footer-compliance {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 32px;
}

.compliance-entity {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 6px;
}

.compliance-entity strong {
    color: rgba(255,255,255,0.95);
    font-weight: 600;
}

.compliance-contact {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-top: 10px;
    margin-bottom: 14px;
}

.compliance-contact strong {
    color: rgba(255,255,255,0.95);
    font-weight: 600;
}

.compliance-contact a {
    color: #6CB2F1;
    text-decoration: none;
}
.compliance-contact a:hover { color: white; text-decoration: underline; }

.footer-beian {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 14px;
}

.footer-beian > a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-beian > a:hover {
    color: white;
}

.footer-beian > a i {
    color: #6CB2F1;
}

.beian-gongan {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
}

.beian-gongan i {
    color: #F39C12;
}

.beian-gongan span {
    color: rgba(255,255,255,0.9);
}

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

.footer-section .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-section p {
    opacity: 0.8;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

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

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

.footer-section ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 13px;
    margin-bottom: 4px;
}

/* 页脚底部版权行的备案号（ICP + 公安备案） */
.footer-beian-link {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    border-bottom: 1px dashed rgba(255,255,255,0.4);
    transition: all 0.3s ease;
    cursor: pointer;
}

.footer-beian-link:hover {
    color: #fff;
    border-bottom-color: #fff;
}

.footer-gongan-text {
    color: rgba(255,255,255,0.85);
}

.footer-beian-sep {
    color: rgba(255,255,255,0.4);
    margin: 0 4px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .news-card.featured {
        grid-column: span 1;
    }
    
    .article-card {
        flex-direction: column;
    }
    
    .article-image {
        width: 100%;
        height: 200px;
    }
    
    .membership-features {
        grid-template-columns: 1fr;
    }
    
    .membership-cta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .interaction-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 24px;
    }
    
    .section-header h2 {
        font-size: 22px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .membership-card {
        padding: 24px;
    }
    
    .price-box .price {
        font-size: 36px;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.news-card, .resource-card, .course-card, .article-card,
.testimonial-card, .freelance-card, .book-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* ============ 动态访客展示 ============ */
.visitor-marquee {
    position: relative;
    overflow: hidden;
    padding: 16px 0;
    margin-top: 32px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.marquee-track {
    display: flex;
    gap: 20px;
    animation: marqueeScroll 30s linear infinite;
    width: max-content;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.visitor-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    white-space: nowrap;
    flex-shrink: 0;
}

.visitor-item i { font-size: 16px; }

.visitor-count {
    font-weight: 700;
    font-size: 16px;
}

.visitor-label {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
}

/* ============ 登录弹窗 ============ */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; animation: fadeIn 0.2s ease;
}

.modal-box {
    background: white; border-radius: 12px; width: 90%; max-width: 560px;
    max-height: 85vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; border-bottom: 1px solid var(--border-color);
}

.modal-header h3 { font-size: 18px; font-weight: 600; }

.modal-close {
    background: none; border: none; font-size: 28px; cursor: pointer;
    color: var(--text-light); line-height: 1;
}

.modal-close:hover { color: var(--danger-color); }

.modal-body { padding: 24px; }

.modal-footer {
    display: flex; justify-content: flex-end; gap: 12px;
    padding: 16px 24px; border-top: 1px solid var(--border-color);
}

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 14px; }
.form-input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border-color);
    border-radius: 6px; font-size: 14px; font-family: inherit; box-sizing: border-box;
}

.form-input:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(74,144,226,0.1); }

/* 登录Tab */
.login-tabs { display: flex; gap: 8px; margin-bottom: 24px; }

.login-tab {
    flex: 1; padding: 12px; border: 1px solid var(--border-color);
    background: white; border-radius: 8px; cursor: pointer; font-size: 14px;
    transition: all 0.3s ease;
}

.login-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white; border-color: transparent; font-weight: 500;
}

.login-panel { display: none; }
.login-panel.active { display: block; }

.qr-placeholder {
    text-align: center; padding: 32px 20px;
}

.qr-placeholder i { margin-bottom: 16px; }

.qr-placeholder p { margin-bottom: 8px; font-size: 15px; }

.btn-block { width: 100%; padding: 12px; font-size: 15px; }

/* 个人中心Tab */
.uc-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }

.uc-tab {
    padding: 10px 16px; border: 1px solid var(--border-color);
    background: white; border-radius: 20px; cursor: pointer; font-size: 14px;
    transition: all 0.3s ease;
}

.uc-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white; border-color: transparent;
}

.uc-panel { display: none; }
.uc-panel.active { display: block; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ========== 新增板块样式（courses/testimonials/membership/freelance）========== */

.courses-section, .testimonials-section, .membership-section, .freelance-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.courses-section {
    background: linear-gradient(135deg, #f8f9ff 0%, #fff5f8 100%);
}

.testimonials-section {
    background: #fff;
}

.membership-section {
    background: linear-gradient(135deg, #fffbf0 0%, #f0f7ff 100%);
}

.freelance-section {
    background: var(--bg-secondary);
}

/* 课程卡片 - 复用 resource-card 样式 */
.tag-free {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 11px; background: #e8f5e9; color: #2e7d32; font-weight: 600;
}
.tag-paid {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 11px; background: #fff3e0; color: #e65100; font-weight: 600;
}

/* 学员成果 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px; margin-top: 20px;
}
.testimonial-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg); padding: 24px;
    display: flex; gap: 16px; align-items: flex-start;
    box-shadow: var(--shadow-sm); transition: var(--transition);
}
.testimonial-card:hover {
    transform: translateY(-3px); box-shadow: var(--shadow-md);
}
.testimonial-avatar {
    font-size: 36px; color: var(--primary-color); flex-shrink: 0;
}
.testimonial-content p {
    font-size: 14px; line-height: 1.7; color: var(--text-primary); margin-bottom: 10px;
}
.testimonial-author strong {
    font-size: 14px; color: var(--text-primary);
}
.testimonial-author span {
    font-size: 12px; color: var(--text-light); margin-left: 8px;
}

/* 会员专区 */
.membership-intro {
    text-align: center; padding: 30px 0 20px;
}
.membership-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #5c3d00; font-size: 13px; font-weight: 700; margin-bottom: 16px;
}
.membership-intro h3 {
    font-size: 26px; color: var(--text-primary); margin-bottom: 8px;
}
.membership-intro p {
    color: var(--text-light); font-size: 15px;
}
.membership-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px; margin: 30px 0;
}
.benefit-card {
    background: white; border-radius: var(--radius-md); padding: 24px;
    text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition);
}
.benefit-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-md);
}
.benefit-card i {
    font-size: 32px; color: var(--primary-color); margin-bottom: 12px;
}
.benefit-card h4 {
    font-size: 15px; margin-bottom: 6px; color: var(--text-primary);
}
.benefit-card p {
    font-size: 13px; color: var(--text-light); line-height: 1.5;
}
.btn-large {
    padding: 12px 36px; font-size: 16px;
    display: block; width: fit-content; margin: 0 auto;
}

/* 接单资源库 */
.freelance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px; margin-top: 20px;
}
.freelance-card {
    background: white; border-radius: var(--radius-md); padding: 20px;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}
.freelance-card:hover {
    transform: translateY(-3px); box-shadow: var(--shadow-md);
}
.freelance-type {
    display: inline-block; padding: 3px 10px; border-radius: 12px;
    font-size: 11px; font-weight: 600; background: #E8F0FE; color: #1967D2;
    margin-bottom: 10px;
}
.freelance-card h4 {
    font-size: 15px; color: var(--text-primary); margin-bottom: 8px;
}
.freelance-card p {
    font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 10px;
}
.freelance-meta {
    display: flex; gap: 16px; font-size: 12px; color: var(--text-light);
}
.freelance-meta span i {
    margin-right: 4px;
}