* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #F97316;
    --primary-light: #FB923C;
    --primary-dark: #EA580C;
    --secondary-color: #1F2937;
    --secondary-light: #374151;
    --secondary-dark: #111827;
    --accent-color: #EF4444;
    --text-primary: #FFFFFF;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
    --bg-gradient: linear-gradient(135deg, #111827 0%, #1F2937 50%, #111827 100%);
    --card-bg: rgba(31, 41, 55, 0.8);
    --border-color: rgba(249, 115, 22, 0.3);
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

header {
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 28px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo .tagline {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 5px;
}

nav ul li a:hover,
nav ul li.active a {
    color: var(--primary-color);
    background: rgba(249, 115, 22, 0.1);
}

.header-search {
    display: flex;
    gap: 5px;
}

.header-search input {
    padding: 10px 15px;
    border-radius: 5px 0 0 5px;
    border: 1px solid var(--secondary-light);
    background: var(--secondary-dark);
    color: var(--text-primary);
    font-size: 14px;
}

.header-search button {
    padding: 10px 20px;
    border-radius: 0 5px 5px 0;
    border: none;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.header-search button:hover {
    background: var(--primary-dark);
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

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

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
}

.hero {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(239, 68, 68, 0.1));
    padding: 50px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-content h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hero-content p {
    color: var(--text-secondary);
    font-size: 18px;
}

.featured-news {
    padding: 40px 0;
}

.featured-news h3,
.news-section h3,
.categories h3,
.newsletter h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--primary-color);
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.featured-card {
    display: flex;
    gap: 30px;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.featured-image {
    width: 400px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
    flex-shrink: 0;
}

.featured-info {
    padding: 30px;
}

.category {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 15px;
    display: inline-block;
}

.featured-info h4 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.featured-info p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.meta-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.meta-info span {
    color: var(--text-muted);
    font-size: 14px;
}

.news-section {
    padding: 40px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
}

.main-news {
    display: flex;
    flex-direction: column;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.news-item .news-image {
    width: 180px;
    height: 120px;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-dark));
    border-radius: 8px;
    flex-shrink: 0;
}

.news-content {
    display: flex;
    flex-direction: column;
}

.news-content h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.news-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
    flex: 1;
}

.news-content .time {
    color: var(--text-muted);
    font-size: 12px;
}

.side-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.side-section h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 3px solid var(--primary-color);
}

.latest-list {
    list-style: none;
}

.latest-list li {
    margin-bottom: 12px;
}

.latest-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    line-height: 1.5;
}

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

.hot-topics {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.topic-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rank {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topic-item:nth-child(1) .rank { background: #EF4444; }
.topic-item:nth-child(2) .rank { background: #F97316; }
.topic-item:nth-child(3) .rank { background: #FBBF24; color: #111827; }

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

.heat {
    background: #EF4444;
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}

.nav-list {
    list-style: none;
}

.nav-list li {
    margin-bottom: 10px;
}

.nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 5px;
    display: block;
    transition: all 0.3s ease;
}

.nav-list a:hover {
    color: var(--primary-color);
    background: rgba(249, 115, 22, 0.1);
}

.categories {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.2);
}

.category-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
}

.category-name {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.category-count {
    color: var(--text-muted);
    font-size: 13px;
}

.newsletter {
    padding: 50px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(239, 68, 68, 0.1));
    margin: 30px 0;
    border-radius: 12px;
}

.newsletter h3 {
    border: none;
    padding: 0;
    color: var(--text-primary);
}

.newsletter p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 8px;
    border: 1px solid var(--secondary-light);
    background: var(--secondary-dark);
    color: var(--text-primary);
    font-size: 15px;
}

.newsletter-form button {
    padding: 14px 30px;
}

.page-hero {
    padding: 50px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-hero h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-hero p {
    color: var(--text-muted);
}

.news-content {
    padding: 40px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    background: var(--secondary-light);
    color: var(--text-secondary);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

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

.news-content .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.news-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.news-card .news-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-dark));
}

.news-info {
    padding: 20px;
}

.news-info h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.news-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
}

.news-info .meta {
    display: flex;
    gap: 15px;
}

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

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

.page-btn {
    padding: 10px 18px;
    background: var(--secondary-light);
    color: var(--text-secondary);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.side-bar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.side-card h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hot-list {
    list-style: none;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.hot-list .rank {
    flex-shrink: 0;
}

.hot-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
}

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

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--secondary-light);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.side-card form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.side-card input {
    padding: 12px;
    border-radius: 5px;
    border: 1px solid var(--secondary-light);
    background: var(--secondary-dark);
    color: var(--text-primary);
    font-size: 14px;
}

.guide-content {
    padding: 40px 0;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.guide-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.guide-icon {
    font-size: 42px;
    margin-bottom: 15px;
}

.guide-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
}

.guide-card ol {
    padding-left: 20px;
}

.guide-card li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 14px;
}

.faq-section h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.industry-content {
    padding: 40px 0;
}

.featured-article {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.article-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
}

.article-content {
    padding: 30px;
}

.article-content h3 {
    color: var(--text-primary);
    font-size: 24px;
    margin-bottom: 15px;
}

.article-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.article-tags {
    display: flex;
    gap: 10px;
}

.article-tags .tag {
    background: var(--primary-color);
    color: white;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.industry-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.card-image {
    height: 150px;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-dark));
}

.card-content {
    padding: 20px;
}

.card-content h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
}

.card-meta {
    display: flex;
    gap: 15px;
}

.card-meta span {
    color: var(--text-muted);
    font-size: 13px;
}

.stats-section {
    background: var(--secondary-dark);
    padding: 30px;
    border-radius: 12px;
}

.stats-section h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.interview-content {
    padding: 40px 0;
}

.featured-interview {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.interview-header {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.interviewee-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
}

.interviewee-info h3 {
    color: var(--text-primary);
    font-size: 22px;
    margin-bottom: 15px;
}

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

.interview-body p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.interviews-list h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 20px;
}

.interview-card {
    display: flex;
    gap: 15px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.interview-card:hover {
    border-color: var(--primary-color);
}

.card-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-dark));
    flex-shrink: 0;
}

.card-content h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 16px;
}

.card-content p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 10px;
}

.card-content .date {
    color: var(--text-muted);
    font-size: 13px;
}

.media-content {
    padding: 40px 0;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.media-card {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.media-logo {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-dark));
    flex-shrink: 0;
}

.media-info h3 {
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 10px;
}

.media-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
}

.media-info .source,
.media-info .date {
    color: var(--text-muted);
    font-size: 13px;
    margin-right: 15px;
}

.awards-section {
    background: var(--secondary-dark);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.awards-section h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 25px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.award-item {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 10px;
}

.award-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.award-item h4 {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 5px;
}

.award-item p {
    color: var(--text-muted);
    font-size: 13px;
}

.cooperation-section {
    text-align: center;
}

.cooperation-section h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
}

.cooperation-section p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 30px;
}

.cooperation-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.option-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.option-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 16px;
}

.option-item p {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0;
}

footer {
    background: var(--secondary-dark);
    padding: 40px 0;
    border-top: 2px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand h4 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links h5 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

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

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-contact h5 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .featured-card {
        flex-direction: column;
    }
    
    .featured-image {
        width: 100%;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-item .news-image {
        width: 100%;
        height: 180px;
    }
    
    .interview-header {
        flex-direction: column;
        text-align: center;
    }
    
    .interviewee-avatar {
        margin: 0 auto;
    }
    
    .media-card {
        flex-direction: column;
        text-align: center;
    }
}