/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #f7931a;
    --secondary-color: #1a73e8;
    --binance-color: #f0b90b;
    --okx-color: #0040ff;
    --success-color: #4caf50;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #f7931a 0%, #ff6b6b 100%);
    --gradient-secondary: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
    --gradient-binance: linear-gradient(135deg, #f0b90b 0%, #ffd700 100%);
    --gradient-okx: linear-gradient(135deg, #0040ff 0%, #00a8ff 100%);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Accessibility improvements */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--text-dark);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 9999;
    border-radius: 4px;
    font-weight: 600;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* Improved focus states for accessibility */
:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
.btn:focus,
input:focus,
textarea:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.2);
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Performance optimizations */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    ::before,
    ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .article-card {
        border: 2px solid var(--text-dark);
    }
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 21px;
    position: relative;
}

.hamburger:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    padding: 120px 0 80px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image i {
    font-size: 15rem;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-binance {
    background: var(--gradient-binance);
    color: var(--text-dark);
}

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

.btn-telegram {
    background: linear-gradient(135deg, #0088cc 0%, #00a8ff 100%);
    color: white;
}

/* Why Use Section */
.why-use {
    padding: 80px 0;
    background: var(--bg-light);
}

.why-use h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature p {
    color: var(--text-light);
}

/* Exchange Sections */
.exchange-section {
    padding: 80px 0;
    position: relative;
}

.binance-section {
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
}

.okx-section {
    background: linear-gradient(135deg, rgba(0, 64, 255, 0.1) 0%, rgba(0, 168, 255, 0.1) 100%);
}

.exchange-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.exchange-info h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.invite-details {
    margin-bottom: 2rem;
}

.invite-link, .invite-code {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.invite-link label, .invite-code label {
    min-width: 100px;
    font-weight: 600;
    color: var(--text-dark);
}

.invite-link input, .invite-code input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    background: var(--bg-light);
}

.copy-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: scale(1.05);
}

.benefits, .steps {
    margin-bottom: 2rem;
}

.benefits h3, .steps h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.benefits ul {
    list-style: none;
}

.benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-light);
}

.benefits i {
    color: var(--success-color);
}

.steps ol {
    padding-left: 1.5rem;
}

.steps li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.exchange-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.exchange-logo i {
    font-size: 8rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.binance-section .exchange-logo i {
    color: var(--binance-color);
}

.okx-section .exchange-logo i {
    color: var(--okx-color);
}

.exchange-logo span {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-dark);
}

/* Comparison Table */
.comparison {
    padding: 80px 0;
    background: var(--bg-light);
}

.comparison h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.table-responsive {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: collapse;
}

.comparison-table th {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

.comparison-table tr:hover {
    background: var(--bg-light);
}

.text-success {
    color: var(--success-color);
    font-size: 1.2rem;
}

/* Articles Section */
.articles {
    padding: 80px 0;
    background: white;
}

.articles h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f0f0f0;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    position: relative;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(247, 147, 26, 0.9) 0%, 
        rgba(26, 115, 232, 0.9) 100%);
    opacity: 0.9;
}

.article-image i {
    font-size: 4rem;
    color: white;
    position: relative;
    z-index: 2;
    opacity: 0.8;
}

.article-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    z-index: 3;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-content {
    padding: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta i {
    color: var(--primary-color);
}

.article-content h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
    font-weight: 600;
}

.article-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

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

.read-more:hover::after {
    width: 100%;
}

.read-more:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

.articles-cta {
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

/* Category specific colors */
.article-card:nth-child(1) .article-image {
    background: var(--gradient-binance);
}

.article-card:nth-child(2) .article-image {
    background: var(--gradient-secondary);
}

.article-card:nth-child(3) .article-image {
    background: linear-gradient(135deg, #4caf50 0%, #8bc34a 100%);
}

.article-card:nth-child(4) .article-image {
    background: linear-gradient(135deg, #9c27b0 0%, #e91e63 100%);
}

.article-card:nth-child(5) .article-image {
    background: linear-gradient(135deg, #ff9800 0%, #ff5722 100%);
}

.article-card:nth-child(6) .article-image {
    background: var(--gradient-okx);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Newsletter Section */
.newsletter {
    padding: 80px 0;
    background: var(--gradient-secondary);
    color: white;
    text-align: center;
}

.newsletter h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.newsletter p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.email-signup {
    display: flex;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.email-signup input {
    padding: 12px 16px;
    border: none;
    border-radius: 4px;
    flex: 1;
    min-width: 250px;
}

.email-signup input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.binance-btn {
    background: var(--gradient-binance);
    color: var(--text-dark);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        gap: 1rem;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-image i {
        font-size: 8rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .exchange-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .email-signup {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
    }
    
    .email-signup input {
        min-width: auto;
    }
    
    .floating-cta {
        bottom: 10px;
        right: 10px;
    }
    
    .floating-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .floating-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .why-use h2,
    .comparison h2,
    .faq h2 {
        font-size: 2rem;
    }
    
    .articles h2 {
        font-size: 2rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .article-card {
        margin: 0 -5px;
    }
    
    .article-image {
        height: 150px;
    }
    
    .article-image i {
        font-size: 3rem;
    }
    
    .article-content {
        padding: 1.2rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .exchange-section {
        padding: 60px 0;
    }
    
    .exchange-info h2 {
        font-size: 1.8rem;
    }
    
    .invite-link, .invite-code {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .invite-link label, .invite-code label {
        min-width: auto;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Copy notification */
.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.copy-notification.show {
    transform: translateX(0);
}

/* ===== ARTICLE PAGES STYLES ===== */

/* Page Header Styles */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 0 60px;
    color: white;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-bottom: 20px;
	
    font-size: 14px;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb .separator {
    margin: 0 10px;
    opacity: 0.7;
}

.breadcrumb .current {
    opacity: 0.7;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
}

/* Featured Article Section */
.featured-article {
    padding: 80px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    position: relative;
}

.featured-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.featured-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.featured-text p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.95;
    line-height: 1.6;
}

.featured-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    font-size: 14px;
    opacity: 0.9;
}

.featured-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.featured-icon {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.featured-icon i {
    font-size: 80px;
    color: white;
    animation: float 3s ease-in-out infinite;
}

/* Articles Listing Section */
.articles-listing {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #6c757d;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: translateY(-2px);
}

.load-more-section {
    text-align: center;
    margin-top: 60px;
}

/* Article Main Content */
.article-main {
    padding: 40px 0 80px;
    background: white;
}

.article-main .breadcrumb {
    margin-bottom: 40px;
	margin-top:20px;
    font-size: 14px;
    color: #6c757d;
}

.article-main .breadcrumb a {
    color: #667eea;
    text-decoration: none;
}

.article-main .breadcrumb span {
    margin: 0 8px;
    color: #adb5bd;
}

/* Article Header */
.article-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #d63384;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.article-header h1 {
    font-size: 2.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
}

.article-intro {
    font-size: 1.2rem;
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: #8c9196;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Quick CTA */
.quick-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    border-radius: 20px;
    margin: 40px 0 60px;
    text-align: center;
    color: white;
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

.quick-cta h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Article Content */
.article-content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.7;
    color: #344563;
}

.table-of-contents {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 50px;
    border-left: 4px solid #667eea;
}

.table-of-contents h3 {
    margin-bottom: 20px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
}

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

.table-of-contents a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.table-of-contents a:hover {
    color: #5a67d8;
}

/* Content Sections */
.content-section {
    margin-bottom: 60px;
    scroll-margin-top: 100px;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 3px solid #e9ecef;
    padding-bottom: 15px;
}

.content-section h2 i {
    color: #667eea;
}

.content-section p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.content-section strong {
    color: #2c3e50;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.benefit-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.benefit-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.benefit-item h4 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

/* Platform Highlights */
.platform-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.highlight-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.binance-card::before {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.okx-card::before {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.highlight-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.highlight-header i {
    font-size: 2.5rem;
    color: #667eea;
}

.highlight-header h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin: 0;
}

.badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    margin-left: auto;
}

.highlight-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.highlight-card li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 15px;
    color: #555;
}

.highlight-card li i {
    color: #28a745;
    font-size: 14px;
}

.special-offer {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    color: #d63384;
    font-weight: 600;
    margin-top: 20px;
}

/* Step Guide */
.step-guide {
    margin: 40px 0;
}

.step-item {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.step-content {
    flex: 1;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #667eea;
}

.step-content h4 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.3rem;
}

.step-content ul, .step-content ol {
    margin: 20px 0;
    padding-left: 20px;
}

.step-content li {
    margin-bottom: 8px;
    color: #555;
}

/* Invite Code Display */
.invite-code-display {
    margin: 20px 0;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border: 2px dashed #667eea;
}

.invite-code-display label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
}

.code-container {
    display: flex;
    gap: 10px;
}

.code-container input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-family: monospace;
    font-size: 16px;
    font-weight: 600;
    background: white;
    color: #667eea;
}

.code-container .copy-btn {
    padding: 12px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.code-container .copy-btn:hover {
    background: #5a67d8;
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.method {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e9ecef;
}

.method i {
    color: #667eea;
    font-size: 1.2rem;
}

/* Buying Options */
.buying-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.option {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.option h5 {
    margin-bottom: 15px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.option i {
    color: #667eea;
}

/* Deposit Methods */
.deposit-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.method-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease;
}

.method-card:hover {
    transform: translateY(-3px);
}

.method-card i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 15px;
}

.method-card h5 {
    margin-bottom: 10px;
    color: #2c3e50;
}

/* Comparison Table Wrapper */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 40px 0;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 15px;
}

.comparison-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 16px;
}

.comparison-table td {
    padding: 20px 15px;
    border-bottom: 1px solid #e9ecef;
    vertical-align: top;
}

.comparison-table tr:hover {
    background: #f8f9fa;
}

.comparison-table .highlight {
    font-weight: 600;
    color: #28a745;
}

/* Recommendation Cards */
.recommendation {
    margin: 50px 0;
}

.recommendation h3 {
    margin-bottom: 30px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rec-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.rec-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(240, 147, 251, 0.3);
}

.rec-card h4 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* Security Grid */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.security-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease;
}

.security-item:hover {
    transform: translateY(-3px);
}

.security-item i {
    font-size: 2.5rem;
    color: #dc3545;
    margin-bottom: 20px;
}

.security-item h4 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Mobile Section */
.mobile-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 40px 0;
}

.mobile-benefits {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.mobile-benefits h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.mobile-benefits ul {
    list-style: none;
    padding: 0;
}

.mobile-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: #555;
}

.mobile-benefits li i {
    color: #28a745;
}

.app-downloads {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.app-downloads h3 {
    margin-bottom: 25px;
    color: #2c3e50;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: #2c3e50;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: background 0.3s ease;
}

.download-btn:hover {
    background: #1a252f;
}

.download-btn i {
    font-size: 2rem;
}

.download-btn div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-btn span {
    font-size: 12px;
    opacity: 0.8;
}

.download-btn strong {
    font-size: 16px;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    color: white;
    margin: 60px 0;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.final-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.final-cta-buttons .btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    min-width: 250px;
}

.final-cta-buttons .btn div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.final-cta-buttons .btn span {
    font-size: 16px;
    font-weight: 600;
}

.final-cta-buttons .btn small {
    font-size: 12px;
    opacity: 0.9;
    margin-top: 2px;
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin: 40px 0;
}

/* Copy Notification */
.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #28a745;
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 10000;
}

.copy-notification.show {
    transform: translateX(0);
}

/* Mobile Responsiveness for Article Pages */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .featured-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .featured-text h2 {
        font-size: 1.8rem;
    }
    
    .featured-icon {
        width: 150px;
        height: 150px;
    }
    
    .featured-icon i {
        font-size: 60px;
    }
    
    .article-header h1 {
        font-size: 2rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .step-item {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .platform-highlights {
        grid-template-columns: 1fr;
    }
    
    .final-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .final-cta-buttons .btn {
        min-width: auto;
        width: 100%;
        max-width: 300px;
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .quick-cta {
        padding: 25px 20px;
        margin: 30px 0 40px;
    }
    
    .quick-cta .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .article-content {
        padding: 0 10px;
    }
    
    .table-of-contents {
        padding: 20px;
    }
    
    .step-content {
        padding: 20px;
    }
    
    .highlight-card {
        padding: 25px;
    }
    
    .final-cta {
        padding: 40px 20px;
    }
    
    .final-cta h2 {
        font-size: 1.8rem;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 15px 10px;
    }
}

/* Related Posts Section | 相关文章部分 */
.related-posts {
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    border: 1px solid #dee2e6;
}

.related-posts h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

.related-posts h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-post {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.related-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-post:hover .related-post-image img {
    transform: scale(1.05);
}

.related-post-image .placeholder-image {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-post-image .placeholder-image i {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.related-post-content {
    padding: 1.25rem;
}

.related-post-content h4 {
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.related-post-content h4 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.related-post-content h4 a:hover {
    color: var(--primary-color);
}

.related-post-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.related-post-meta i {
    color: var(--primary-color);
}

/* Final CTA Section | 最终行动号召部分 */
.final-cta {
    margin: 3rem 0;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="crypto-pattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23crypto-pattern)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.final-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.final-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.final-cta-buttons .btn-large {
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 220px;
    background: white;
    color: var(--text-dark);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.final-cta-buttons .btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.final-cta-buttons .btn-large i {
    font-size: 1.8rem;
}

.final-cta-buttons .btn-binance {
    background: linear-gradient(135deg, #f0b90b 0%, #ffd700 100%);
    color: white;
}

.final-cta-buttons .btn-okx {
    background: linear-gradient(135deg, #0040ff 0%, #00a8ff 100%);
    color: white;
}

.final-cta-buttons .btn-large div {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.final-cta-buttons .btn-large span {
    font-weight: 600;
    font-size: 1.1rem;
}

.final-cta-buttons .btn-large small {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* Comments Section | 评论系统 */
.comments-area {
    margin: 3rem 0;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.comments-title {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.comments-title i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.comments-title .comment-count {
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Comment List | 评论列表 */
.comment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.comment {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.comment:hover {
    background: #f1f3f4;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
}

.comment-meta {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.comment-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.comment-content {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.comment-content p {
    margin-bottom: 0.75rem;
}

.comment-content p:last-child {
    margin-bottom: 0;
}

.comment-reply {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.comment-reply:hover {
    color: var(--secondary-color);
}

.comment-reply i {
    font-size: 0.8rem;
}

/* Nested Comments | 嵌套评论 */
.children {
    margin-top: 1.5rem;
    margin-left: 2rem;
    padding-left: 1.5rem;
    border-left: 2px solid #dee2e6;
}

.children .comment {
    background: white;
    border-left-color: var(--secondary-color);
}

.children .comment-avatar {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

/* Comment Form | 评论表单 */
.comment-respond {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    border: 1px solid #dee2e6;
}

.comment-reply-title {
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.comment-reply-title i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.comment-form {
    display: grid;
    gap: 1.5rem;
}

.comment-form-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.comment-form-author,
.comment-form-email,
.comment-form-url {
    display: flex;
    flex-direction: column;
}

.comment-form label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.1);
    outline: none;
}

.comment-form textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-submit {
    text-align: left;
}

.submit {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.submit:hover {
    background: linear-gradient(135deg, #e6840f 0%, #ff5252 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(247, 147, 26, 0.3);
}

.submit i {
    font-size: 0.9rem;
}

/* Comment Notifications | 评论通知 */
.comment-awaiting-moderation {
    background: #fff3cd;
    color: #856404;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    border: 1px solid #ffeaa7;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comment-awaiting-moderation i {
    color: #f39c12;
}

/* No Comments Message | 无评论消息 */
.no-comments {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
}

.no-comments i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0.7;
}

.no-comments h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.no-comments p {
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* Responsive Design for Comments | 评论响应式设计 */
@media (max-width: 768px) {
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
    
    .related-posts {
        padding: 1.5rem;
        margin: 2rem 0;
    }
    
    .final-cta {
        padding: 2rem 1.5rem;
        margin: 2rem 0;
    }
    
    .final-cta h2 {
        font-size: 1.8rem;
    }
    
    .final-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .final-cta-buttons .btn {
        min-width: auto;
        width: 100%;
        max-width: 300px;
    }
    
    .comments-area {
        padding: 1.5rem;
        margin: 2rem 0;
    }
    
    .comments-title {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .comment {
        padding: 1rem;
    }
    
    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .children {
        margin-left: 1rem;
        padding-left: 1rem;
    }
    
    .comment-form-fields {
        grid-template-columns: 1fr;
    }
    
    .comment-respond {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .related-post-content {
        padding: 1rem;
    }
    
    .related-post-image {
        height: 150px;
    }
    
    .final-cta {
        padding: 1.5rem 1rem;
    }
    
    .final-cta h2 {
        font-size: 1.5rem;
    }
    
    .final-cta-buttons .btn-large {
        min-width: 100%;
        padding: 1rem 1.5rem;
    }
    
    .comments-area {
        padding: 1rem;
    }
    
    .comment {
        padding: 0.75rem;
    }
    
    .comment-avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .children .comment-avatar {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .children {
        margin-left: 0.5rem;
        padding-left: 0.75rem;
    }
}

/* Comments Closed Message | 评论关闭消息 */
.comments-closed {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #dee2e6;
    color: var(--text-light);
}

.comments-closed i {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.comments-closed h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.comments-closed p {
    font-size: 0.95rem;
    max-width: 350px;
    margin: 0 auto;
}

/* Comment Navigation | 评论导航 */
.comment-navigation {
    margin: 2rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comment-navigation .nav-previous,
.comment-navigation .nav-next {
    flex: 1;
}

.comment-navigation .nav-next {
    text-align: right;
}

.comment-navigation a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: inline-block;
}

.comment-navigation a:hover {
    background: var(--primary-color);
    color: white;
}

/* Required Field Indicator | 必填字段指示 */
.comment-form .required {
    color: #dc3545;
    font-weight: bold;
}

/* Comment Form Enhancements | 评论表单增强 */
.comment-form-comment {
    grid-column: 1 / -1;
}

.comment-form-comment label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    display: block;
}

.comment-form-comment textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    font-family: inherit;
    line-height: 1.6;
    resize: vertical;
    min-height: 120px;
}

.comment-form-comment textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.1);
    outline: none;
}

.comment-form-comment textarea::placeholder {
    color: #999;
    font-style: italic;
}

/* Comment Meta Enhancements | 评论元信息增强 */
.comment .comment-meta .comment-date time {
    color: inherit;
}

.comment-edit-link {
    margin-left: 1rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
}

.comment-edit-link:hover {
    color: var(--primary-color);
}

/* Pingback/Trackback Styles | Pingback/Trackback样式 */
.pingback,
.trackback {
    background: #e3f2fd;
    border-left: 4px solid var(--secondary-color);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0 8px 8px 0;
}

.pingback .comment-content,
.trackback .comment-content {
    margin: 0;
    font-style: italic;
    color: var(--text-dark);
}

.pingback .comment-content::before,
.trackback .comment-content::before {
    content: "📌 ";
    margin-right: 0.5rem;
}

/* Comment Form Cookie Consent | 评论表单cookie同意 */
.comment-form-cookies-consent {
    grid-column: 1 / -1;
    margin-top: 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.comment-form-cookies-consent input[type="checkbox"] {
    margin-right: 0.5rem;
    transform: scale(1.1);
}

.comment-form-cookies-consent label {
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0;
}

.comment-form-cookies-consent label:hover {
    color: var(--text-dark);
}

/* Enhanced Comment Form Validation | 增强评论表单验证 */
.comment-form input.error,
.comment-form textarea.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.comment-form .field-error {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.comment-form .field-error i {
    font-size: 0.8rem;
}

.comment-form .field-success {
    color: #28a745;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.comment-form .field-success i {
    font-size: 0.8rem;
}

/* Comment Form Character Counter | 评论表单字符计数器 */
.comment-form-comment {
    position: relative;
}

.comment-char-counter {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 0.8rem;
    color: var(--text-light);
    pointer-events: none;
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 4px;
}

.comment-char-counter.warning {
    color: #f39c12;
}

.comment-char-counter.danger {
    color: #dc3545;
}

/* Comment Form Loading State | 评论表单加载状态 */
.comment-form.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.comment-form.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Comment Form Success Message | 评论表单成功消息 */
.comment-success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #c3e6cb;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comment-success-message i {
    color: #28a745;
    font-size: 1.2rem;
}

/* Comment Emoji Picker | 评论表情选择器 */
.comment-emoji-picker {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.comment-emoji-picker h5 {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.emoji-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.emoji-btn {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.emoji-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

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

/* Comment Draft Auto-save Indicator | 评论草稿自动保存指示器 */
.comment-draft-indicator {
    position: absolute;
    top: -25px;
    right: 0;
    font-size: 0.8rem;
    color: var(--text-light);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.comment-draft-indicator.show {
    opacity: 1;
}

.comment-draft-indicator.saving {
    color: var(--primary-color);
}

.comment-draft-indicator.saved {
    color: #28a745;
}

/* Responsive Design for Enhanced Features | 增强功能响应式设计 */
@media (max-width: 768px) {
    .comment-form-cookies-consent {
        padding: 0.5rem;
    }
    
    .comment-form-cookies-consent label {
        font-size: 0.85rem;
    }
    
    .emoji-buttons {
        justify-content: center;
    }
    
    .emoji-btn {
        min-width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .comment-char-counter {
        position: static;
        text-align: right;
        margin-top: 0.5rem;
        background: none;
    }
}

@media (max-width: 480px) {
    .comment-form-cookies-consent label {
        font-size: 0.8rem;
    }
    
    .emoji-btn {
        min-width: 32px;
        height: 32px;
        font-size: 0.9rem;
        padding: 0.25rem;
    }
}