/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* 英雄区 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 50%, #faf5ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    margin-bottom: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* 代码窗口 */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-window {
    background: #1e1e2e;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 480px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #2d2d44;
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.red { background: #ff5f56; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #27c93f; }

.window-title {
    margin-left: auto;
    font-size: 12px;
    color: #6b7280;
}

.window-content {
    padding: 20px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.8;
}

.window-content pre {
    margin: 0;
    overflow-x: auto;
}

.code-keyword { color: #c792ea; }
.code-variable { color: #82aaff; }
.code-function { color: #82aaff; }
.code-comment { color: #676e95; }

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 12px;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-light);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-light);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 18px; }
}

/* 通用标题 */
.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-primary);
}

/* 技术栈 */
.tech-stack {
    padding: 100px 0;
    background: var(--bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.tech-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* 项目展示 */
.projects {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

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

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

.project-icon {
    font-size: 40px;
}

.project-badge {
    padding: 6px 12px;
    background: var(--gradient-primary);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.project-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.project-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.feature-tag {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
}

.project-stats-row {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.project-stat {
    display: flex;
    flex-direction: column;
}

.project-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.project-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.project-link:hover {
    gap: 12px;
}

/* 关于我 */
.about {
    padding: 100px 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 32px;
}

.about-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-desc strong {
    color: var(--text-primary);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}

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

.about-contact {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.about-contact h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

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

.contact-text {
    font-weight: 500;
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    display: block;
}

.footer-desc {
    color: var(--text-light);
    font-size: 15px;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: var(--text-light);
}

.footer-column a {
    display: block;
    color: white;
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 15px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-column a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* 备案信息 */
.beian {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.beian a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.beian a:hover {
    color: white;
}

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

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 400px;
    width: 100%;
    position: relative;
    animation: modalSlide 0.3s ease;
    max-height: calc(100vh - 40px);
    overflow: hidden;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

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

.modal-body {
    padding: 40px;
    text-align: center;
    max-height: calc(100vh - 120px);
    overflow: auto;
}

.wechat-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.modal-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.wechat-id {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.wechat-qr {
    width: 160px;
    height: 160px;
    max-width: 70vw;
    max-height: 70vw;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.qr-placeholder {
    color: var(--text-light);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .code-window {
        transform: none;
        max-width: 100%;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .about-text .section-title {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

    .project-card {
        padding: 24px;
    }

    .project-stats-row {
        flex-direction: column;
        gap: 16px;
    }

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

    .footer-links {
        justify-content: center;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

/* ==================== 页面通用样式 ==================== */

/* 页面标题区 */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 50%, #faf5ff 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== 文章列表页面 ==================== */

/* 文章分类标签 */
.article-categories {
    padding: 40px 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    background: white;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* 文章列表 */
.articles-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.article-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.article-image {
    position: relative;
    height: 200px;
}

.article-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
}

.article-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
}

.article-content {
    padding: 24px;
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

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

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 60px;
}

.page-btn {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.page-ellipsis {
    color: var(--text-light);
}

/* ==================== 文章详情页面 ==================== */

/* 文章头部 */
.article-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 50%, #faf5ff 100%);
}

.article-header-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.article-category-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.article-header-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
    color: var(--text-primary);
}

.article-header-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-secondary);
}

.article-author {
    font-weight: 600;
    color: var(--primary-color);
}

.article-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.article-tag {
    padding: 6px 12px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* 文章内容区 */
.article-content-section {
    padding: 60px 0;
    background: var(--bg-primary);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 60px;
}

.article-main {
    max-width: 100%;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 24px;
    color: var(--text-primary);
}

.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body pre {
    background: #1e1e2e;
    color: #fff;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.article-body code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
}

.article-body pre code {
    background: none;
    padding: 0;
}

.article-lead {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.article-stats-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

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

.stat-box-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

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

/* 文章底部 */
.article-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.share-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.article-nav {
    display: flex;
    justify-content: space-between;
}

.article-nav-next {
    text-decoration: none;
    color: var(--text-primary);
    text-align: right;
}

.article-nav-next span {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.article-nav-next strong {
    font-size: 16px;
    color: var(--primary-color);
}

/* 侧边栏 */
.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.author-widget {
    text-align: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.author-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-articles {
    list-style: none;
}

.sidebar-articles li {
    margin-bottom: 12px;
}

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

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

.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sidebar-tag {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ==================== 案例页面 ==================== */

.cases-stats {
    padding: 60px 0;
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stats-item {
    text-align: center;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.stats-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.cases-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.case-item.reverse {
    direction: rtl;
}

.case-item.reverse > * {
    direction: ltr;
}

.case-image-bg {
    height: 400px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.case-icon {
    font-size: 120px;
}

.case-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.case-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.case-highlights {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

.case-highlight {
    text-align: center;
}

.highlight-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.case-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 6px 12px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
}

.cases-cta {
    padding: 100px 0;
    background: var(--bg-primary);
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ==================== 文档页面 ==================== */

.docs-categories {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.docs-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: all 0.3s ease;
}

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

.docs-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.docs-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.docs-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.docs-list {
    list-style: none;
    margin-bottom: 20px;
}

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

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

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

.docs-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

.quick-start {
    padding: 80px 0;
    background: var(--bg-primary);
}

.quick-start-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.quick-start-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.quick-start-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.quick-start-item > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.quick-start-item pre {
    background: #1e1e2e;
    color: #fff;
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    overflow-x: auto;
}

.step-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.faq-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

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

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-toggle {
    font-size: 24px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0 24px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.resources-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.resource-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.resource-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* ==================== 响应式调整 ==================== */

@media (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
        order: -1;
    }
    
    .case-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .case-item.reverse {
        direction: ltr;
    }
    
    .case-image-bg {
        height: 300px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-start-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 32px;
    }
    
    .article-header-title {
        font-size: 28px;
    }
    
    .article-stats-box {
        grid-template-columns: 1fr;
    }
    
    .case-highlights {
        flex-direction: column;
        gap: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .beian {
        flex-direction: column;
        gap: 8px;
    }
}