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

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #d1fae5;
    --secondary: #064e3b;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --border: #e5e7eb;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

.top-bar {
    background: var(--secondary);
    color: white;
    padding: 10px 0;
    font-size: 0.9rem;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar-contact strong {
    color: var(--primary-light);
}

.header {
    background: var(--bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-list a {
    color: var(--text);
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-list a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list a {
        display: block;
        padding: 12px 16px;
    }
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: center;
}

@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.hero-tag {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.75rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-icon {
    font-size: 1.2rem;
}

.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.trust-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.hero-card {
    background: var(--bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 30px;
    border: 1px solid var(--border);
}

.hero-card h3 {
    color: var(--secondary);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-light);
}

.quick-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.qc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
}

.qc-label {
    color: var(--text-light);
    font-size: 0.85rem;
    min-width: 70px;
}

.qc-value {
    font-weight: 600;
    color: var(--primary-dark);
    flex: 1;
}

.qc-copy {
    background: var(--primary);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.qc-copy:hover {
    background: var(--primary-dark);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
}

.stats {
    padding: 60px 0;
    background: var(--secondary);
}

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

.stat-card {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.25rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
}

.about {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 50px;
    align-items: start;
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.about-main h3 {
    color: var(--secondary);
    margin-bottom: 20px;
}

.about-main p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.info-box {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid var(--border);
    position: sticky;
    top: 100px;
}

.info-box h4 {
    color: var(--secondary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

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

.info-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-icon {
    font-size: 1.25rem;
}

.info-label {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
}

.info-value {
    display: block;
    color: var(--text);
    font-weight: 600;
}

.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.service-card h3 {
    color: var(--secondary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.advantages {
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.advantage-card:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 16px;
}

.advantage-card h3 {
    color: var(--secondary);
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
}

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.contact-card h3 {
    color: var(--secondary);
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}

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

.contact-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 10px;
    flex-wrap: wrap;
}

.contact-label {
    color: var(--text-light);
    font-size: 0.9rem;
    min-width: 80px;
}

.contact-value {
    color: var(--text);
    font-weight: 600;
    flex: 1;
}

.contact-value.highlight {
    color: var(--primary-dark);
    font-size: 1.1rem;
}

.contact-value.link {
    color: var(--primary);
}

.contact-copy {
    background: var(--primary);
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    margin-left: auto;
}

.contact-copy:hover {
    background: var(--primary-dark);
}

.wechat-box {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 100px;
}

.wechat-box h3 {
    color: var(--secondary);
    margin-bottom: 12px;
}

.wechat-box p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.wechat-id {
    background: var(--primary-light);
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.wechat-id strong {
    color: var(--primary-dark);
    font-size: 1.3rem;
}

.wechat-copy {
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.wechat-copy:hover {
    background: var(--primary-dark);
}

.faq {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: var(--text-light);
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--primary-dark);
}

.news {
    padding: 80px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    gap: 24px;
}

.news-card {
    display: flex;
    gap: 24px;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.news-date {
    flex-shrink: 0;
    width: 80px;
    text-align: center;
    padding: 16px;
    background: var(--primary-light);
    border-radius: 10px;
}

.news-day {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1;
}

.news-month {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 4px;
}

.news-content h3 {
    margin-bottom: 8px;
}

.news-content h3 a {
    color: var(--text);
}

.news-content h3 a:hover {
    color: var(--primary);
}

.news-content p {
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

.news-link {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .news-card {
        flex-direction: column;
    }
    
    .news-date {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        justify-content: center;
    }
}

.footer {
    background: var(--bg-dark);
    color: #9ca3af;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col p {
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-contact p {
    margin: 8px 0;
    font-size: 0.9rem;
}

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

.footer-links li {
    margin: 10px 0;
}

.footer-links a {
    color: #9ca3af;
}

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

.footer-contact-list {
    list-style: none;
}

.footer-contact-list li {
    margin: 10px 0;
    font-size: 0.9rem;
}

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

.footer-bottom p {
    margin: 6px 0;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #9ca3af;
}

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

.float-actions {
    position: fixed;
    right: 24px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.float-phone {
    background: var(--primary);
    color: white;
}

.float-wechat {
    background: #07c160;
    color: white;
}

.float-top {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-top.show {
    opacity: 1;
    visibility: visible;
}

.float-btn:hover {
    transform: scale(1.1);
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 16px 32px;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.article-page {
    padding: 100px 0 60px;
    min-height: 100vh;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.article-content h1 {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 2rem;
}

.article-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.article-body h2 {
    color: var(--secondary);
    margin: 30px 0 16px;
    font-size: 1.5rem;
}

.article-body h3 {
    color: var(--secondary);
    margin: 24px 0 12px;
    font-size: 1.25rem;
}

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

.article-body ul {
    color: var(--text-light);
    margin: 16px 0;
    padding-left: 24px;
}

.article-body li {
    margin: 8px 0;
    line-height: 1.7;
}

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

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

.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.back-btn {
    color: var(--primary);
    font-weight: 500;
}

.share-contact p {
    color: var(--text-light);
    margin: 0;
}

.share-contact strong {
    color: var(--primary-dark);
}

@media (max-width: 640px) {
    .article-content {
        padding: 24px;
    }
    
    .article-content h1 {
        font-size: 1.5rem;
    }
}

/* Article Pages */
.article-hero {
    background: linear-gradient(135deg, var(--primary-light) 0%, #ecfdf5 100%);
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

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

.breadcrumb span {
    color: var(--text-light);
}

.article-title {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--text);
}

.article-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    padding: 60px 0;
}

.article-main {
    background: var(--bg);
}

.article-main h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px;
    color: var(--text);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}

.article-main h3 {
    font-size: 1.25rem;
    margin: 24px 0 12px;
    color: var(--text);
}

.article-main p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.article-main ul,
.article-main ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-main li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.article-main strong {
    color: var(--primary-dark);
}

.article-contact {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

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

.contact-item .contact-label {
    font-weight: 600;
    color: var(--text);
    min-width: 80px;
}

.contact-item .contact-value {
    color: var(--primary-dark);
    font-weight: 500;
}

.copy-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--primary-dark);
}

.article-tags {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.article-tags span {
    font-weight: 600;
    color: var(--text);
}

.article-tags a {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
}

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

.article-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-box {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-box h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

.sidebar-contact {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

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

.sidebar-contact p {
    margin: 4px 0;
}

.sidebar-contact .highlight {
    color: var(--primary-dark);
    font-size: 1.2rem;
    font-weight: 700;
}

.related-articles {
    list-style: none;
    padding: 0;
}

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

.related-articles a {
    color: var(--text);
    display: block;
    padding: 8px 12px;
    background: white;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.related-articles a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary);
}

@media (max-width: 968px) {
    .article-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 0;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .article-hero {
        padding: 40px 0 30px;
    }
    
    .article-title {
        font-size: 1.25rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .copy-btn {
        width: 100%;
    }
}