/* 冰河马新闻 - 现代化简洁大气风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #f97316;
    --accent-color: #10b981;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部栏 */
.top-bar {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 10px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 24px;
    animation: gentleBounce 3s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.hot-ticker {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.ticker-label {
    background: linear-gradient(135deg, var(--secondary-color), #ea580c);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.ticker-content {
    font-size: 14px;
    opacity: 0.9;
    overflow: hidden;
}

.top-bar-right {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: white;
}

/* 主导航 */
.main-nav {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-categories {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding: 4px 0;
    flex: 1;
}

.nav-item {
    padding: 14px 18px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
}

.nav-item:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.08);
}

.nav-item.active {
    color: var(--primary-color);
    font-weight: 700;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px 2px 0 0;
}

.search-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border-radius: 24px;
    padding: 8px 16px;
    gap: 10px;
    flex-shrink: 0;
}

.search-input {
    border: none;
    background: transparent;
    outline: none;
    width: 220px;
    font-size: 14px;
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.search-btn:hover {
    color: var(--primary-color);
}

/* 次级导航 */
.sub-nav {
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.sub-nav .container {
    display: flex;
    overflow-x: auto;
}

.sub-nav-items {
    display: flex;
    gap: 6px;
    padding: 10px 0;
    overflow-x: auto;
}

.sub-nav-item {
    padding: 8px 18px;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
    cursor: pointer;
    border-radius: 20px;
    font-weight: 500;
}

.sub-nav-item:hover {
    color: var(--primary-color);
    background: var(--bg-tertiary);
}

/* Hero区域 */
.hero-section {
    padding: 24px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.hero-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.hero-carousel {
    position: relative;
    height: 600px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
}

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

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    color: white;
}

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

.hero-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.hero-tag.tag-finance {
    background: linear-gradient(135deg, var(--accent-color), #059669);
}

.hero-tag.tag-tech {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.hero-time {
    font-size: 14px;
    opacity: 0.9;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.3;
}

.hero-desc {
    font-size: 16px;
    opacity: 0.9;
    max-width: 700px;
    line-height: 1.7;
}

.hero-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.hero-arrow {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
    pointer-events: all;
    box-shadow: var(--shadow-md);
}

.hero-arrow:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.hero-indicators {
    position: absolute;
    bottom: 20px;
    right: 24px;
    display: flex;
    gap: 10px;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: white;
    width: 40px;
    border-radius: 5px;
}

.hero-side {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.side-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    height: 100%;
}

.side-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.side-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.side-card img {
    width: 100%;
    height: 130px;
    object-fit: cover;
    flex-shrink: 0;
}

.side-card-content {
    padding: 14px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.side-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 8px;
    width: fit-content;
}

.side-card-content h3 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    flex: 1;
}

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

/* 主内容区 */
.main-content {
    padding: 24px 0 40px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

/* 标签页区域 */
.tabs-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.tabs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
}

.tabs-items {
    display: flex;
    gap: 20px;
}

.tab-item {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.tab-item.active {
    color: var(--primary-color);
    font-weight: 700;
}

/* 新闻区域 */
.news-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

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

.section-title {
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.section-more {
    color: var(--text-light);
    font-size: 14px;
    font-weight: 600;
}

.section-more:hover {
    color: var(--primary-color);
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.news-item:hover {
    background: var(--bg-secondary);
}

.news-rank {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    flex-shrink: 0;
}

.news-info {
    flex: 1;
}

.news-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 6px;
}

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

/* 紧凑新闻列表 */
.news-list-compact {
    padding: 0;
}

.news-item-compact {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.news-item-compact:last-child {
    border-bottom: none;
}

.news-item-compact:hover {
    background: var(--bg-secondary);
}

.news-img-compact {
    width: 160px;
    height: 100px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.news-img-compact img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-item-compact:hover .news-img-compact img {
    transform: scale(1.05);
}

.news-info-compact {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-info-compact h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
}

.news-meta-compact {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 10px;
}

/* 迷你新闻列表 */
.news-list-mini {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-item-mini {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: var(--transition);
    padding: 8px 0;
}

.news-item-mini:hover {
    background: var(--bg-secondary);
    padding: 8px 10px;
    margin: 0 -10px;
    border-radius: var(--radius-sm);
}

.news-rank-mini {
    width: 24px;
    height: 24px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 13px;
    flex-shrink: 0;
}

.news-info-mini {
    flex: 1;
}

.news-info-mini h4 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
}

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

/* 卡片网格 */
.card-grid-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

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

.card-image {
    height: 140px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-card:hover .card-image img {
    transform: scale(1.08);
}

.card-content {
    padding: 14px;
}

.card-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 10px;
}

.card-content h3 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
}

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

/* 双栏布局 */
.two-col-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* 横幅区域 */
.banner-section {
    margin-bottom: 20px;
}

.banner-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 200px;
}

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

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(139, 92, 246, 0.95));
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
    color: white;
}

.banner-label {
    font-size: 13px;
    font-weight: 700;
    opacity: 0.9;
    margin-bottom: 8px;
}

.banner-overlay h2 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
}

.banner-overlay p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 18px;
}

.banner-btn {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    width: fit-content;
    transition: var(--transition);
}

.banner-btn:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

/* 生活方式 */
.lifestyle-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.lifestyle-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.lifestyle-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    height: 180px;
}

.lifestyle-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.lifestyle-card:hover img {
    transform: scale(1.1);
}

.lifestyle-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: white;
}

.lifestyle-tag {
    display: inline-block;
    background: var(--secondary-color);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.lifestyle-overlay h4 {
    font-size: 16px;
    font-weight: 700;
}

/* 创新科技 */
.tech-innovation-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.tech-innovation-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 16px;
}

.tech-innovation-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.tech-innovation-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-innovation-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: white;
}

.tech-innovation-tag {
    display: inline-block;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tech-innovation-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.tech-innovation-side {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.tech-innovation-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.tech-innovation-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(4px);
}

.tech-innovation-emoji {
    font-size: 28px;
    margin-bottom: 6px;
}

.tech-innovation-item h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tech-innovation-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 特别报道 */
.special-report-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.special-report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.special-report-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.special-report-img {
    height: 160px;
    overflow: hidden;
}

.special-report-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.special-report-card:hover .special-report-img img {
    transform: scale(1.05);
}

.special-report-content {
    padding: 16px;
}

.special-report-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), #ea580c);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
}

.special-report-content h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}

.special-report-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.special-report-link {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.special-report-link:hover {
    transform: translateX(4px);
    display: inline-block;
}

/* 商业洞察 */
.business-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.business-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.business-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.business-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(4px);
}

.business-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.business-content {
    flex: 1;
}

.business-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 快讯卡片 */
.news-flash-card {
    padding: 18px 20px;
}

.news-flash-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.flash-icon {
    font-size: 18px;
}

.flash-title {
    font-size: 16px;
    font-weight: 800;
}

.news-flash-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-flash-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 14px;
    padding: 8px 0;
}

.news-flash-item + .news-flash-item {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.flash-time {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

/* 天气卡片 */
.weather-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    padding: 20px;
    color: white;
    box-shadow: var(--shadow-md);
}

.weather-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
}

.weather-date, .weather-time {
    font-size: 13px;
    opacity: 0.9;
}

.weather-main {
    text-align: center;
    margin-bottom: 14px;
}

.weather-city {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 4px;
}

.weather-temp {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}

.weather-desc {
    font-size: 15px;
    opacity: 0.9;
}

.weather-details {
    display: flex;
    justify-content: space-around;
    font-size: 13px;
    opacity: 0.85;
}

/* 名人观点 */
.opinion-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opinion-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.opinion-item:hover {
    background: var(--bg-secondary);
}

.opinion-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

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

.opinion-content {
    flex: 1;
}

.opinion-content h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.opinion-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 知识课堂 */
.knowledge-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.knowledge-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.knowledge-item:hover {
    background: var(--bg-secondary);
}

.knowledge-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.knowledge-text h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.knowledge-text p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 订阅卡片 */
.subscribe-card {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

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

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.subscribe-form input {
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.subscribe-form input:focus {
    border-color: var(--primary-color);
}

.subscribe-form button {
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 好书推荐 */
.book-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.book-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.book-item:hover {
    background: var(--bg-secondary);
}

.book-img {
    width: 70px;
    height: 90px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.book-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-info h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* 互动调查 */
.poll-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
}

.poll-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.poll-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.poll-option:hover {
    background: rgba(37, 99, 235, 0.1);
}

.poll-option input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.poll-option span {
    font-size: 14px;
    font-weight: 600;
}

.poll-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

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

/* 宽屏内容区域 */
.full-width-section {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    border-top: 4px solid var(--primary-color);
    padding: 48px 0;
    margin-top: 32px;
}

.full-width-content {
    background: transparent;
}

.full-section-header {
    text-align: center;
    margin-bottom: 48px;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.full-section-title {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.full-section-desc {
    font-size: 17px;
    color: var(--text-secondary);
}

.section-block {
    margin-bottom: 48px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.section-block:hover {
    box-shadow: var(--shadow-md);
}

.section-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.section-block-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-block-more {
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 700;
    transition: var(--transition);
}

.section-block-more:hover {
    transform: translateX(6px);
}

/* 全球资讯 */
.global-news-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}

.global-news-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.global-news-main img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.global-news-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: white;
}

.global-news-tag {
    display: inline-block;
    background: var(--primary-color);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.global-news-content h4 {
    font-size: 20px;
    font-weight: 800;
}

.global-news-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.global-news-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.global-news-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(6px);
}

.global-news-img {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.global-news-text h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* 文体盛宴 */
.sports-ent-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.sports-ent-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
}

.sports-ent-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.sports-ent-img {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.sports-ent-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.sports-ent-card:hover .sports-ent-img img {
    transform: scale(1.08);
}

.sports-ent-label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--secondary-color), #ea580c);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

.sports-ent-content {
    padding: 16px;
}

.sports-ent-content h5 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.sports-ent-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 财经观察 */
.financial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.financial-chart-section {
    padding: 24px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: var(--radius-lg);
    color: white;
}

.financial-chart-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.market-status {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.market-item {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.market-name {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.market-value {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 4px;
}

.market-value.up {
    color: #10b981;
}

.market-value.down {
    color: #ef4444;
}

.market-change {
    font-size: 14px;
    font-weight: 700;
}

.market-change.up {
    color: #10b981;
}

.market-change.down {
    color: #ef4444;
}

.financial-news-section {
    padding: 24px;
}

.financial-news-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.financial-news-item {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.financial-news-item:last-child {
    border-bottom: none;
}

.financial-news-item:hover {
    transform: translateX(6px);
}

.financial-news-item h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.financial-news-item span {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 探索发现 */
.explore-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.explore-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
}

.explore-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.explore-img {
    height: 180px;
    overflow: hidden;
}

.explore-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.explore-card:hover .explore-img img {
    transform: scale(1.08);
}

.explore-content {
    padding: 18px;
}

.explore-content h5 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.explore-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 统计横幅 */
.stats-banner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 0;
}

.stat-box {
    text-align: center;
    color: white;
}

.stat-icon {
    font-size: 52px;
    margin-bottom: 14px;
    display: inline-block;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.stat-value {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.95;
    font-weight: 600;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 18px;
}

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

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
}

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

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

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

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-carousel {
        height: 500px;
    }
    
    .side-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .two-col-section {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .global-news-grid {
        grid-template-columns: 1fr;
    }
    
    .sports-ent-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .financial-grid {
        grid-template-columns: 1fr;
    }
    
    .explore-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-categories {
        overflow-x: auto;
        gap: 0;
    }
    
    .nav-item {
        padding: 12px 14px;
        font-size: 14px;
        white-space: nowrap;
    }
    
    .search-wrapper {
        display: none;
    }
    
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-carousel {
        height: 360px;
    }
    
    .hero-title {
        font-size: 22px;
    }
    
    .side-grid {
        grid-template-columns: 1fr;
    }
    
    .business-list {
        grid-template-columns: 1fr;
    }
    
    .health-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-cards {
        grid-template-columns: 1fr;
    }
    
    .tech-innovation-grid {
        grid-template-columns: 1fr;
    }
    
    .special-report-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-banner {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 32px 24px;
    }
    
    .health-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-cards {
        grid-template-columns: 1fr;
    }
    
    .social-links-group {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .business-list {
        grid-template-columns: 1fr;
    }
    
    .lifestyle-cards {
        grid-template-columns: 1fr;
    }
    
    .tech-innovation-grid {
        grid-template-columns: 1fr;
    }
    
    .special-report-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-banner {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 32px 24px;
    }
    
    .health-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-cards {
        grid-template-columns: 1fr;
    }
    
    .social-links-group {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .full-section-title {
        font-size: 26px;
    }
    
    .full-section-desc {
        font-size: 15px;
    }
    
    .health-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-cards {
        grid-template-columns: 1fr;
    }
    
    .quick-links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .social-links-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 健康生活版块 */
.health-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.health-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.health-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}

.health-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: rgba(37, 99, 235, 0.08);
}

.health-card .health-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.health-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.health-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 教育资讯版块 */
.education-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.education-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.education-item:hover {
    transform: translateX(4px);
    background: rgba(37, 99, 235, 0.08);
}

.education-img {
    width: 120px;
    height: 90px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.education-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.education-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.education-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.education-time {
    font-size: 13px;
    color: var(--text-light);
}

/* 文化艺术版块 */
.culture-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.culture-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.culture-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 180px;
}

.culture-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.culture-card:hover img {
    transform: scale(1.08);
}

.culture-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: white;
}

.culture-tag {
    display: inline-block;
    background: var(--secondary-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.culture-overlay h4 {
    font-size: 16px;
    font-weight: 700;
}

/* 热门话题 */
.topic-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.topic-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.topic-item:hover {
    background: rgba(37, 99, 235, 0.08);
    transform: translateX(4px);
}

.topic-rank {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    flex-shrink: 0;
}

.topic-item:nth-child(2) .topic-rank {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.topic-item:nth-child(3) .topic-rank {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.topic-content {
    flex: 1;
}

.topic-content h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* 快捷入口 */
.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.quick-link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 10px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}

.quick-link-item:hover {
    background: rgba(37, 99, 235, 0.08);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.quick-link-icon {
    font-size: 28px;
}

.quick-link-item span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* 每日一句 */
.daily-quote-card {
    padding: 20px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: var(--radius-md);
    color: white;
    text-align: center;
}

.quote-text {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 12px;
}

.quote-author {
    font-size: 14px;
    opacity: 0.9;
}

/* 热门推荐 */
.hot-recommend-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hot-recommend-item {
    display: flex;
    gap: 14px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.hot-recommend-item:hover {
    background: rgba(37, 99, 235, 0.08);
    transform: translateX(4px);
}

.hot-recommend-img {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.hot-recommend-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hot-recommend-content h5 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
}

.hot-recommend-views {
    font-size: 12px;
    color: var(--text-light);
}

/* 精彩视频 */
.video-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.video-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition);
}

.video-cover {
    position: relative;
    width: 100%;
    height: 150px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-item:hover .video-cover img {
    transform: scale(1.08);
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: var(--transition);
}

.video-item:hover .video-play-icon {
    background: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.video-info h5 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 6px;
}

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

/* 热门标签 */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-item {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tag-item:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 关于我们 */
.about-section {
    text-align: center;
}

.about-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
}

.social-links-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.social-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

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