/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS变量 - 新配色方案 */
:root {
    --primary-blue: #1E40AF;
    --primary-dark: #0F172A;
    --accent-cyan: #06B6D4;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --text-lighter: #94A3B8;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --success: #10B981;
    --danger: #EF4444;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* 顶部通知栏 */
.announcement-bar {
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    padding: 14px 0;
    text-align: center;
    font-size: 14px;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.announcement-badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 12px;
}

.announcement-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.announcement-link:hover {
    opacity: 0.9;
}

/* 头部导航 */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
}

.nav-link:hover {
    color: var(--primary-blue);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 18px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-light);
    color: var(--primary-blue);
}

/* 右侧导航 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dark);
    font-size: 14px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-switcher:hover {
    background: var(--bg-light);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 1.5px solid #E2E8F0;
}

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

.btn-primary {
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.btn-large {
    padding: 14px 28px;
    font-size: 15px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 80px 0;
    overflow: hidden;
    position: relative;
}

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

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-content h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 16px;
    font-weight: 800;
}

.lead {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

/* Hero统计数据 */
.hero-stats {
    display: flex;
    gap: 32px;
}

.stat {
    text-align: left;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

/* Hero图片区域 */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.market-cards {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.market-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pair-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pair-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--white);
}

.pair-details {
    display: flex;
    flex-direction: column;
}

.pair-name {
    font-weight: 700;
    font-size: 15px;
}

.pair-price {
    font-size: 16px;
    font-weight: 600;
    margin-top: 2px;
}

.change-cell {
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.change-cell.positive {
    background: rgba(16, 185, 129, 0.2);
    color: #6EE7B7;
}

.change-cell.negative {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
}

/* 功能区块 */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* 市场区块 */
.market-section {
    padding: 80px 0;
}

.market-table-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.market-table {
    width: 100%;
    border-collapse: collapse;
}

.market-table thead {
    background: var(--bg-light);
}

.market-table th,
.market-table td {
    padding: 18px 20px;
    text-align: left;
    border-bottom: 1px solid #F1F5F9;
}

.market-table th {
    font-weight: 700;
    color: var(--text-light);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.market-row:hover {
    background: var(--bg-light);
}

.pair-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pair-icon.small {
    width: 36px;
    height: 36px;
    font-size: 12px;
}

.pair-name {
    font-weight: 700;
    font-size: 15px;
}

.pair-full-name {
    color: var(--text-light);
    font-size: 13px;
    margin-top: 2px;
}

.price-cell {
    font-weight: 600;
    font-size: 15px;
}

.view-all-container {
    text-align: center;
    padding-top: 32px;
}

/* 产品区块 */
.products {
    padding: 80px 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.product-image-wrapper {
    padding: 32px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 140px;
}

.product-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--white);
    color: var(--primary-blue);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.product-icon-large {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 20px;
}

.product-content {
    padding: 24px;
    border-top: 1px solid #F1F5F9;
}

.product-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-content p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 18px;
}

.product-features {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}

.chip {
    background: var(--bg-light);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
}

.product-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-link:hover {
    gap: 10px;
}

/* 优势区块 */
.advantages {
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

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

.advantage-icon-bg {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.advantage-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* 下载区块 */
.download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.download-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.download-content {
    position: relative;
    z-index: 2;
}

.download-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.2);
}

.download-content h2 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: 12px;
    font-weight: 800;
}

.download-buttons {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
}

.download-btn:hover {
    background: rgba(255,255,255,0.25);
}

.btn-text-wrapper {
    display: flex;
    flex-direction: column;
}

.btn-small-text {
    font-size: 11px;
    opacity: 0.9;
}

.btn-large-text {
    font-size: 16px;
    font-weight: 700;
}

.download-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 100%;
    max-width: 320px;
}

.phone-screen {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 36px;
    padding: 20px;
}

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

.app-logo {
    font-weight: 700;
    font-size: 18px;
}

.app-time {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
}

.dashboard-stat {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 16px;
}

.stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
}

.market-list-mini {
    gap: 12px;
}

.market-item-mini {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    margin-bottom: 10px;
}

.market-item-mini span:first-child {
    font-weight: 600;
}

.market-item-mini span:nth-child(2) {
    font-weight: 600;
    margin-right: 8px;
}

.positive {
    color: #6EE7B7;
}

.negative {
    color: #FCA5A5;
}

/* 学习中心 */
.learn-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.learn-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.learn-card-image {
    height: 140px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 0;
    position: relative;
    overflow: hidden;
}

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

.card-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 12px;
    color: #1E40AF;
}

.learn-card-content {
    padding: 24px;
}

.learn-date {
    font-size: 12px;
    color: var(--text-lighter);
    margin-bottom: 10px;
    display: block;
}

.learn-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.learn-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 18px;
    line-height: 1.7;
}

.learn-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.learn-link:hover {
    gap: 10px;
}

/* FAQ区块 */
.faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.faq-item {
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    background: var(--white);
}

.faq-item summary {
    padding: 18px 22px;
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-item summary:hover {
    background: var(--bg-light);
}

.faq-content {
    padding: 0 22px 18px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

.faq-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.help-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
}

.help-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.help-card p {
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.95;
}

.quick-links {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.quick-links h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

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

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

.quick-links a {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.quick-links a:hover {
    opacity: 0.8;
}

/* 页脚 */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}

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

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

.footer-col a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-brand {
    grid-column: span 5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

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

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: rgba(255,255,255,0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    margin-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-disclaimer {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    max-width: 700px;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.legal-links a:hover {
    color: var(--white);
}

.copyright {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-wrapper,
    .download-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .nav-menu {
        display: none;
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-brand {
        grid-column: span 3;
    }

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

    .page-header-content h1 {
        font-size: 36px;
    }

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

    .content-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .article-header {
        padding: 32px 32px 0;
    }

    .article-header h1 {
        font-size: 28px;
    }

    .article-body {
        padding: 0 32px 32px;
    }

    .article-featured-image {
        height: 300px;
    }

    .article-footer-section {
        padding: 24px 32px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .features-grid,
    .products-grid,
    .advantages-grid,
    .learn-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .footer-brand {
        grid-column: span 2;
        flex-direction: column;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .article-list-grid {
        grid-template-columns: 1fr;
    }

    .page-header-content h1 {
        font-size: 28px;
    }

    .page-header-desc {
        font-size: 16px;
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }

    .filter-tab {
        white-space: nowrap;
    }

    .pagination {
        gap: 4px;
    }

    .page-link {
        padding: 8px 14px;
        font-size: 13px;
    }

    .page-number {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }

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

    .article-header {
        padding: 24px 24px 0;
    }

    .article-header h1 {
        font-size: 24px;
    }

    .article-body {
        padding: 0 24px 24px;
    }

    .article-featured-image {
        height: 200px;
        margin-bottom: 24px;
    }

    .article-intro {
        font-size: 16px;
    }

    .article-body h2 {
        font-size: 22px;
    }

    .article-body h3 {
        font-size: 18px;
    }

    .article-body p,
    .article-body li {
        font-size: 15px;
    }

    .article-footer-section {
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
    }

    .table-of-contents {
        padding: 20px;
    }
}




/* 面包屑导航 */
.breadcrumb-nav {
    background: var(--bg-light);
    padding: 16px 0;
    border-bottom: 1px solid #E2E8F0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb-item a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--primary-blue);
}

.breadcrumb-item.active {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.breadcrumb-separator {
    color: var(--text-lighter);
    font-size: 14px;
}

/* 页面标题区 */
.page-header-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header-content h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.page-header-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* 筛选标签 */
.filter-section {
    padding: 32px 0;
    background: var(--white);
    border-bottom: 1px solid #E2E8F0;
    position: sticky;
    top: 70px;
    z-index: 100;
}

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

.filter-tab {
    padding: 10px 20px;
    border: 1.5px solid #E2E8F0;
    border-radius: 999px;
    background: var(--white);
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-tab.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* 文章列表 */
.article-list-section {
    padding: 48px 0 80px;
    background: var(--bg-light);
}

.article-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

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

.article-banner {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-banner {
    transform: scale(1.05);
}

.article-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 12px;
    color: var(--primary-blue);
}

.article-content {
    padding: 24px;
}

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

.article-content h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-content h2 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.article-content h2 a:hover {
    color: var(--primary-blue);
}

.article-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.article-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.article-link:hover {
    gap: 10px;
}

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

.page-link {
    padding: 10px 20px;
    border: 1.5px solid #E2E8F0;
    border-radius: var(--radius-md);
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.page-link:hover:not(.disabled) {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.page-link.disabled {
    color: var(--text-lighter);
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 8px;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid #E2E8F0;
    border-radius: var(--radius-md);
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

.page-ellipsis {
    color: var(--text-lighter);
    padding: 0 8px;
}

/* 内容主体布局 */
.content-main {
    padding: 48px 0 80px;
    background: var(--bg-light);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}

/* 文章主体 */
.article-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.article-header {
    padding: 40px 40px 0;
}

.article-category-tag {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.article-header h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.article-meta-header {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
    font-size: 14px;
    color: var(--text-light);
}

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

.article-featured-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

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

/* 文章内容 */
.article-body {
    padding: 0 40px 40px;
}

.article-intro {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 40px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

/* 目录 */
.table-of-contents {
    background: var(--bg-light);
    padding: 28px;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.table-of-contents h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.table-of-contents ul {
    list-style: none;
}

.table-of-contents li {
    margin-bottom: 10px;
}

.table-of-contents a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-of-contents a:hover {
    color: var(--primary-blue);
}

.table-of-contents a::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-blue);
    flex-shrink: 0;
}

/* 文章标题和段落 */
.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 20px;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 2px solid #E2E8F0;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 32px 0 16px;
    color: var(--text-dark);
}

.article-body p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

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

.article-body li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.article-body strong {
    color: var(--primary-blue);
}

/* 提示框 */
.content-tip {
    padding: 20px 24px;
    border-radius: var(--radius-md);
    margin: 24px 0;
    font-size: 15px;
    line-height: 1.7;
    background: #EFF6FF;
    border-left: 4px solid var(--primary-blue);
    color: var(--text-dark);
}

.content-tip.important {
    background: #FEF3C7;
    border-left-color: #F59E0B;
}

.content-tip.warning {
    background: #FEE2E2;
    border-left-color: var(--danger);
}

/* 文章底部 */
.article-footer-section {
    padding: 32px 40px;
    border-top: 1px solid #E2E8F0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.article-tags,
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tag-label,
.share-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.article-tag {
    padding: 6px 14px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

.share-link {
    padding: 6px 14px;
    border: 1.5px solid #E2E8F0;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 侧边栏 */
.content-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 120px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 2px solid #E2E8F0;
}

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

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

.sidebar-toc a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    display: block;
    padding: 6px 0;
}

.sidebar-toc a:hover {
    color: var(--primary-blue);
    padding-left: 8px;
}

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

.sidebar-articles li {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #F1F5F9;
}

.sidebar-articles li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.sidebar-articles a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
    transition: var(--transition);
}

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

.sidebar-article-meta {
    font-size: 13px;
    color: var(--text-lighter);
}

.cta-widget {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    text-align: center;
}

.cta-widget h3 {
    color: var(--white);
    border-bottom-color: rgba(255,255,255,0.2);
}

.cta-widget p {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.95;
    line-height: 1.7;
}

.cta-widget .btn {
    width: 100%;
    justify-content: center;
}




/* 翻页功能 */
.pagination-wrap {
    padding: 20px 10px;
    margin-top: 20px;
    border-radius: 8px;
}

.pagination-wrap .paging-cls {
    text-align: center;
}

.pagination-wrap .paging-cls li {
    display: inline-block;
    margin: 0 5px;
    list-style: none;
}

.pagination-wrap .paging-cls span,
.pagination-wrap .paging-cls a {
    display: inline-block;
    border: 1px solid #eef3f8;
    border-radius: 5px;
    height: 44px;
    line-height: 44px;
    width: 44px;
    margin: 0 3px;
    font-size: 14px;
    color: #000000;
    text-decoration: none;
}

.pagination-wrap .paging-cls span:hover,
.pagination-wrap .paging-cls a:hover {
    background: #F0B90B;
    color: #fff !important;
}

.pagination-wrap .paging-cls .current {
    background: #F0B90B;
    color: #fff;
    font-weight: bold;
}

.pagination-wrap .paging-cls .fa-angle-double-left::before {
    content: "<";
}

.pagination-wrap .paging-cls .fa-angle-double-right::before {
    content: ">";
}

.pagination-wrap .active a{
    background-color: #F0B90B !important;
    color: #fff !important;
    font-weight: bold;
}