/* 文章页面样式 */

:root {
    --fire-purple: #9932CC;
    --fire-purple-light: #BA55D3;
    --tang-red: #8B0000;
    --tang-red-light: #DC143C;
    --gold: #FFD700;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #333333;
    --text-color: #444444;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    background: var(--light-gray);
    color: var(--text-color);
    line-height: 1.8;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 文章头部 */
.article-header {
    background: linear-gradient(135deg, var(--fire-purple) 0%, var(--tang-red) 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-5px);
}

.article-meta {
    display: flex;
    gap: 15px;
    align-items: center;
}

.source-badge {
    background: var(--gold);
    color: var(--dark-gray);
    padding: 5px 15px;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
}

.publish-date {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* 封面图 */
.cover-image {
    margin: 40px 0;
}

.image-placeholder {
    height: 300px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
}

.article-title {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.article-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    font-weight: 300;
}

/* 文章正文 */
.article-body {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.article-info {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #EEEEEE;
}

.tags {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tag {
    background: linear-gradient(135deg, var(--fire-purple-light) 0%, var(--fire-purple) 100%);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.read-stats {
    display: flex;
    gap: 20px;
    color: #888888;
    font-size: 0.9rem;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    color: var(--dark-gray);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--fire-purple-light);
}

.content-section h3 {
    color: var(--dark-gray);
    font-size: 1.4rem;
    font-weight: 600;
    margin: 25px 0 15px 0;
}

.content-section p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* 高亮框 */
.highlight-box {
    background: linear-gradient(135deg, rgba(153, 50, 204, 0.1) 0%, rgba(139, 0, 0, 0.1) 100%);
    border-left: 4px solid var(--fire-purple);
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.highlight-box p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.highlight-box strong {
    color: var(--fire-purple);
}

/* 趋势列表 */
.trend-list {
    margin: 30px 0;
}

.trend-item {
    display: flex;
    margin-bottom: 30px;
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.trend-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.trend-number {
    background: var(--fire-purple);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    padding: 25px;
    min-width: 70px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trend-content {
    padding: 25px;
    flex: 1;
}

.trend-content h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.trend-content p {
    color: #666666;
    margin: 0;
}

/* 场景网格 */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.scenario-card {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.scenario-card h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.scenario-card p {
    color: #666666;
    margin: 0;
    font-size: 0.95rem;
}

/* 引用区块 */
.quote-section {
    background: linear-gradient(135deg, var(--tang-red-light) 0%, var(--tang-red) 100%);
    color: var(--white);
    padding: 30px;
    border-radius: 10px;
    margin: 30px 0;
    position: relative;
}

.quote-section:before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.2);
    font-family: Georgia, serif;
}

.quote-section p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.quote-section cite {
    display: block;
    text-align: right;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-style: normal;
}

/* 平台特性 */
.platform-features {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.platform-features h3 {
    color: var(--dark-gray);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.platform-features ul {
    list-style: none;
    padding-left: 0;
}

.platform-features li {
    padding: 12px 0;
    border-bottom: 1px solid #EEEEEE;
    font-size: 1.05rem;
}

.platform-features li:last-child {
    border-bottom: none;
}

.platform-features strong {
    color: var(--fire-purple);
    font-weight: 600;
}

/* 未来展望 */
.future-outlook {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.outlook-positive, .outlook-challenges {
    padding: 25px;
    border-radius: 10px;
}

.outlook-positive {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1) 0%, rgba(39, 174, 96, 0.1) 100%);
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.outlook-challenges {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(192, 57, 43, 0.1) 100%);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.outlook-positive h3, .outlook-challenges h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.outlook-positive h3 {
    color: #27ae60;
}

.outlook-challenges h3 {
    color: #c0392b;
}

.outlook-positive ul, .outlook-challenges ul {
    list-style: none;
    padding-left: 0;
}

.outlook-positive li, .outlook-challenges li {
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
}

.outlook-positive li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.outlook-challenges li:before {
    content: "⚠";
    position: absolute;
    left: 0;
    color: #c0392b;
    font-weight: bold;
}

/* 原文链接 */
.original-link {
    background: linear-gradient(135deg, var(--fire-purple-light) 0%, var(--fire-purple) 100%);
    color: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    margin: 40px 0;
}

.original-link h2 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.original-link p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.original-btn {
    display: inline-block;
    background: var(--gold);
    color: var(--dark-gray);
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.original-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 技术架构 */
.tech-architecture {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.architecture-item {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.architecture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.architecture-item h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.architecture-item p {
    color: #666666;
    margin: 0;
    font-size: 0.95rem;
}

/* 算法列表 */
.algorithm-list {
    margin: 30px 0;
}

.algo-item {
    display: flex;
    margin-bottom: 25px;
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.algo-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.algo-number {
    background: var(--fire-purple);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 20px;
    min-width: 60px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.algo-content h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.algo-content p {
    color: #666666;
    margin: 0;
}

/* 应用案例 */
.application-cases {
    margin: 30px 0;
}

.case-study {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    border-left: 4px solid var(--fire-purple);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.case-icon {
    font-size: 2rem;
    margin-right: 15px;
}

.case-header h3 {
    color: var(--dark-gray);
    margin: 0;
    font-size: 1.4rem;
}

.case-details p {
    margin: 10px 0;
    color: #555555;
}

/* 性能表格 */
.performance-chart {
    margin: 30px 0;
    overflow-x: auto;
}

.performance-chart table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.performance-chart th,
.performance-chart td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #EEEEEE;
}

.performance-chart th {
    background: linear-gradient(135deg, var(--fire-purple-light) 0%, var(--fire-purple) 100%);
    color: var(--white);
    font-weight: 600;
}

.performance-chart tr:last-child td {
    border-bottom: none;
}

.improved {
    color: #27ae60;
    font-weight: 600;
}

/* 技术栈 */
.tech-stack {
    margin: 30px 0;
}

.stack-layer {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--fire-purple);
}

.layer-title {
    font-weight: 700;
    color: var(--fire-purple);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.layer-components {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.component {
    background: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--dark-gray);
    border: 1px solid #DDDDDD;
}

/* 特性网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.feature-card {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666666;
    margin: 0;
    font-size: 0.95rem;
}

/* 商业应用 */
.business-applications {
    margin: 30px 0;
}

.biz-app {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    border-left: 4px solid var(--tang-red);
}

.biz-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.biz-number {
    background: var(--tang-red);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 15px;
    flex-shrink: 0;
}

.biz-header h3 {
    color: var(--dark-gray);
    margin: 0;
    font-size: 1.4rem;
}

.biz-content p {
    margin: 10px 0;
    color: #555555;
}

/* 生态系统 */
.ecosystem-map {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 30px 0;
    position: relative;
}

.eco-circle {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid;
}

.eco-circle.core {
    border-color: var(--fire-purple);
    grid-column: span 2;
}

.eco-circle.partners { border-color: #3498db; }
.eco-circle.developers { border-color: #2ecc71; }
.eco-circle.users { border-color: #e74c3c; }

.eco-circle:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.eco-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.eco-circle h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.eco-circle p {
    color: #666666;
    margin: 0;
    font-size: 0.9rem;
}

/* 投资相关样式 */
.investment-sectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.sector-card {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.sector-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.sector-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.sector-card h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.sector-card p {
    color: #666666;
    margin: 5px 0;
    font-size: 0.9rem;
}

.investment-cases {
    margin: 30px 0;
}

.case-item {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    border-left: 4px solid var(--fire-purple);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.case-company {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-gray);
}

.case-amount {
    background: var(--fire-purple);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 15px;
    font-weight: 600;
}

.case-details p {
    margin: 10px 0;
    color: #555555;
}

/* 标准化相关样式 */
.standards-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.standard-category {
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
}

.category-header {
    background: var(--fire-purple);
    color: var(--white);
    padding: 20px;
    display: flex;
    align-items: center;
}

.category-icon {
    font-size: 2rem;
    margin-right: 15px;
}

.category-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.category-content {
    padding: 20px;
}

.category-content ul {
    list-style: none;
    padding-left: 0;
}

.category-content li {
    padding: 10px 0;
    border-bottom: 1px solid #EEEEEE;
    color: var(--dark-gray);
}

.category-content li:last-child {
    border-bottom: none;
}

.category-content strong {
    color: var(--fire-purple);
}

/* 贡献时间线 */
.contributions-timeline {
    margin: 30px 0;
}

.contribution-item {
    display: flex;
    margin-bottom: 25px;
    align-items: flex-start;
}

.timeline-dot {
    background: var(--tang-red);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 20px;
    flex-shrink: 0;
}

.contribution-content {
    flex: 1;
    background: var(--light-gray);
    padding: 20px;
    border-radius: 10px;
}

.contribution-content h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.contribution-content p {
    color: #666666;
    margin: 0;
}

/* 合规框架 */
.compliance-framework {
    margin: 30px 0;
}

.framework-level {
    margin-bottom: 25px;
}

.level-title {
    background: var(--fire-purple);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.level-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.item-card {
    background: var(--white);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid #EEEEEE;
    transition: all 0.3s ease;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.item-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.item-card h4 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.item-card p {
    color: #666666;
    margin: 0;
    font-size: 0.9rem;
}

/* 挑战与解决方案 */
.challenges-solutions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.challenge-card {
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #EEEEEE;
    transition: all 0.3s ease;
}

.challenge-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: var(--tang-red);
    color: var(--white);
    padding: 20px;
    display: flex;
    align-items: center;
}

.challenge-icon {
    font-size: 1.5rem;
    margin-right: 15px;
}

.card-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.card-content {
    padding: 20px;
}

.card-content p {
    margin: 10px 0;
    color: #555555;
}

.card-content strong {
    color: var(--dark-gray);
}

/* 智慧城市相关样式 */
.city-tech-stack {
    margin: 30px 0;
}

.stack-tier {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--tang-red);
}

.tier-label {
    font-weight: 700;
    color: var(--tang-red);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.tier-components {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.smart-applications {
    margin: 30px 0;
}

.app-domain {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    border-left: 4px solid var(--fire-purple);
}

.domain-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.domain-icon {
    font-size: 2rem;
    margin-right: 15px;
}

.domain-header h3 {
    color: var(--dark-gray);
    margin: 0;
    font-size: 1.4rem;
}

.app-feature {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--white);
    border-radius: 8px;
    border-left: 3px solid var(--fire-purple-light);
}

.app-feature:last-child {
    margin-bottom: 0;
}

.app-feature h4 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.app-feature p {
    color: #666666;
    margin: 0;
    line-height: 1.6;
}

/* 城市案例研究 */
city-case-studies {
    margin: 30px 0;
}

case-study {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    border: 1px solid #EEEEEE;
}

case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

case-location {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--fire-purple);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
}

case-achievement h3 {
    color: var(--dark-gray);
    margin-bottom: 25px;
    font-size: 1.5rem;
    padding-top: 20px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.metric {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--fire-purple);
    margin-bottom: 5px;
}

.metric-label {
    color: #666666;
    font-size: 0.9rem;
}

case-description {
    color: #555555;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* 挑战表格 */
.challenges-table {
    margin: 30px 0;
}

.challenge-row {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    border-left: 4px solid var(--tang-red);
}

.challenge-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--tang-red);
    margin-bottom: 15px;
}

.challenge-solution p {
    margin: 10px 0;
    color: #555555;
}

.challenge-solution strong {
    color: var(--dark-gray);
}

/* 未来趋势 */
.future-trends {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.trend-item {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.trend-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.trend-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.trend-content h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.trend-content p {
    color: #666666;
    margin: 0;
    line-height: 1.7;
}
.future-focus {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.focus-area {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.focus-area:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.area-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.focus-area h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.focus-area p {
    color: #666666;
    margin: 0;
    font-size: 0.95rem;
}
.development-timeline {
    margin: 30px 0;
}

.timeline-phase {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.phase-marker {
    background: var(--tang-red);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    min-width: 100px;
    text-align: center;
    margin-right: 25px;
    flex-shrink: 0;
}

.phase-content {
    flex: 1;
    background: var(--light-gray);
    padding: 20px;
    border-radius: 10px;
}

.phase-content h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.phase-content ul {
    list-style: none;
    padding-left: 0;
}

.phase-content li {
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
    color: #555555;
}

.phase-content li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--fire-purple);
    font-weight: bold;
}
.future-roadmap {
    margin: 30px 0;
}

.roadmap-item {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.timeline {
    background: var(--fire-purple);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
    margin-right: 20px;
}

.milestone {
    flex: 1;
    background: var(--light-gray);
    padding: 20px;
    border-radius: 10px;
}

.milestone h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.milestone p {
    color: #666666;
    margin: 0;
}
.related-articles {
    background: var(--white);
    padding: 60px 0;
    border-top: 1px solid #EEEEEE;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--dark-gray);
}

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

.recommend-card {
    text-decoration: none;
    color: inherit;
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #EEEEEE;
}

.recommend-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--fire-purple-light);
}

.card-image {
    height: 150px;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 15px;
}

.source-tag {
    background: rgba(0, 0, 0, 0.7);
    color: var(--gold);
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.card-content p {
    color: #666666;
    margin: 0;
    font-size: 0.95rem;
}

/* 文章页脚 */
.article-footer {
    background: var(--dark-gray);
    color: rgba(255, 255, 255, 0.8);
    padding: 30px 0;
}

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

.copyright p {
    margin: 5px 0;
    font-size: 0.9rem;
}

.back-top a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-top a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-body {
        padding: 25px;
    }
    
    .trend-item {
        flex-direction: column;
    }
    
    .trend-number {
        width: 100%;
        padding: 15px;
    }
    
    .future-outlook {
        grid-template-columns: 1fr;
    }
    
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .recommendation-grid {
        grid-template-columns: 1fr;
    }
}