:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --tether-green: #26A17B;
    --tether-light: #50AF95;
    --tether-dark: #1a7a5c;
    --tron-red: #ff0013;
    --accent-gold: #f0b90b;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border-color: #30363d;
    --success: #26A17B;
    --warning: #f0b90b;
    --danger: #ff0013;
    --gradient-tether: linear-gradient(135deg, var(--tether-green) 0%, var(--tether-light) 100%);
    --gradient-tron: linear-gradient(135deg, var(--tether-green) 0%, var(--tron-red) 100%);
    --glow-tether: 0 0 20px rgba(38, 161, 123, 0.4), 0 0 40px rgba(38, 161, 123, 0.15);
    --glow-tron: 0 0 15px rgba(255, 0, 19, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
    --radius: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 15px;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(38, 161, 123, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 19, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(38, 161, 123, 0.02) 0%, transparent 60%);
    min-height: 100vh;
}

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

a {
    color: var(--tether-green);
    text-decoration: none;
    transition: all 0.3s;
}

a:hover {
    color: var(--tether-light);
    text-shadow: var(--glow-tether);
}

.header {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo i {
    color: var(--tether-green);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(38, 161, 123, 0.5));
}

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

.logo .trx {
    color: var(--tron-red);
    -webkit-text-fill-color: var(--tron-red);
}

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

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 18px;
    border-radius: var(--radius);
    position: relative;
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: all 0.3s;
}

.nav a:hover {
    color: var(--tether-green);
    background: rgba(38, 161, 123, 0.08);
    border-color: rgba(38, 161, 123, 0.2);
}

.nav a.active {
    color: var(--tether-green);
    background: rgba(38, 161, 123, 0.15);
    border-color: var(--tether-green);
    box-shadow: var(--glow-tether);
}

.hero {
    padding: 100px 0 120px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, transparent 50%, rgba(38, 161, 123, 0.02) 50%, rgba(38, 161, 123, 0.02) 100%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(38, 161, 123, 0.03) 2px, rgba(38, 161, 123, 0.03) 4px);
    pointer-events: none;
}

.hero::after {
    content: '₮';
    position: absolute;
    top: 50%;
    left: 5%;
    font-size: 250px;
    color: rgba(38, 161, 123, 0.04);
    font-family: Arial, sans-serif;
    transform: translateY(-50%);
}

.hero-content {
    position: relative;
    max-width: 950px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(38, 161, 123, 0.15);
    border: 1px solid rgba(38, 161, 123, 0.4);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--tether-green);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-badge::before {
    content: '₮';
    font-size: 1.1rem;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 28px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--tether-green) 50%, var(--tether-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 45px;
    line-height: 1.9;
    font-family: 'Inter', sans-serif;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.hero-feature i {
    font-size: 1.2rem;
    color: var(--tether-green);
    filter: drop-shadow(0 0 5px rgba(38, 161, 123, 0.5));
}

.hero-feature.tron i {
    color: var(--tron-red);
    filter: drop-shadow(0 0 5px rgba(255, 0, 19, 0.5));
}

section {
    padding: 90px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.section-header h2::before {
    content: '₮ ';
    color: var(--tether-green);
    opacity: 0.8;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-family: 'Inter', sans-serif;
}

.intro-section {
    background: var(--bg-dark);
}

.intro-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 50px;
    align-items: start;
}

.intro-content h2 {
    font-size: 1.9rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.intro-content h2::before {
    content: '> ';
    color: var(--tether-green);
}

.intro-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.check-list {
    list-style: none;
    margin-top: 28px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.check-list i {
    color: var(--tether-green);
    margin-top: 4px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 3px rgba(38, 161, 123, 0.5));
}

.info-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 35px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-tether);
}

.info-card-icon {
    width: 55px;
    height: 55px;
    background: rgba(38, 161, 123, 0.15);
    border: 1px solid rgba(38, 161, 123, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.info-card-icon i {
    color: var(--tether-green);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 5px rgba(38, 161, 123, 0.5));
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.info-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
    font-family: 'Inter', sans-serif;
}

.info-card p strong {
    color: var(--tether-green);
}

.how-section {
    background: linear-gradient(180deg, rgba(38, 161, 123, 0.03) 0%, var(--bg-dark) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: rgba(38, 161, 123, 0.4);
    box-shadow: 0 0 30px rgba(38, 161, 123, 0.1);
    transform: translateY(-5px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: transparent;
    border: 2px solid var(--tether-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tether-green);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    font-family: monospace;
}

.step-card:hover .step-number {
    background: var(--tether-green);
    color: var(--bg-dark);
    box-shadow: var(--glow-tether);
}

.step-card h3 {
    font-size: 1.15rem;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-muted);
    line-height: 1.7;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
}

.comparison-section {
    background: var(--bg-dark);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 0 -24px;
    padding: 0 24px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.comparison-table th,
.comparison-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.comparison-table th {
    background: rgba(38, 161, 123, 0.1);
    color: var(--tether-green);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table td {
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.comparison-table tr:hover td {
    background: rgba(38, 161, 123, 0.03);
}

.comparison-table .text-success {
    color: var(--success);
    filter: drop-shadow(0 0 3px rgba(38, 161, 123, 0.5));
}

.comparison-table .text-warning {
    color: var(--warning);
}

.comparison-table .text-danger {
    color: var(--danger);
}

.comparison-note {
    text-align: center;
    margin-top: 35px;
    color: var(--text-muted);
}

.features-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(38, 161, 123, 0.02) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 30px;
    right: 30px;
    height: 1px;
    background: var(--gradient-tether);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    border-color: rgba(38, 161, 123, 0.4);
    transform: translateY(-5px);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(38, 161, 123, 0.12);
    border: 1px solid rgba(38, 161, 123, 0.3);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    color: var(--tether-green);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 5px rgba(38, 161, 123, 0.5));
}

.feature-icon.tron {
    background: rgba(255, 0, 19, 0.1);
    border-color: rgba(255, 0, 19, 0.3);
}

.feature-icon.tron i {
    color: var(--tron-red);
    filter: drop-shadow(0 0 5px rgba(255, 0, 19, 0.5));
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
}

.faq-section {
    background: var(--bg-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(38, 161, 123, 0.3);
}

.faq-item h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.faq-item h3::before {
    content: '? ';
    color: var(--tether-green);
}

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.7;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
}

.faq-more {
    text-align: center;
    margin-top: 45px;
}

.cta-section {
    background: linear-gradient(135deg, rgba(38, 161, 123, 0.08) 0%, rgba(38, 161, 123, 0.03) 50%, rgba(255, 0, 19, 0.03) 100%);
    text-align: center;
    padding: 100px 0;
    position: relative;
    border: none;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-tether);
}

.cta-section h2 {
    font-size: 2.3rem;
    margin-bottom: 18px;
    background: var(--gradient-tether);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 35px;
    font-family: 'Inter', sans-serif;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.cta-features span i {
    color: var(--tether-green);
    filter: drop-shadow(0 0 3px rgba(38, 161, 123, 0.5));
}

.footer {
    background: var(--bg-card);
    color: var(--text-muted);
    padding: 70px 0 35px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo i {
    color: var(--tether-green);
    filter: drop-shadow(0 0 5px rgba(38, 161, 123, 0.5));
}

.footer-logo span {
    background: var(--gradient-tether);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.8;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
}

.footer-nav h4,
.footer-topics h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 22px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-nav ul,
.footer-topics ul {
    list-style: none;
}

.footer-nav li,
.footer-topics li {
    margin-bottom: 14px;
}

.footer-nav a,
.footer-topics a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: all 0.3s;
}

.footer-nav a:hover,
.footer-topics a:hover {
    color: var(--tether-green);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.page-hero {
    background: linear-gradient(180deg, rgba(38, 161, 123, 0.05) 0%, var(--bg-dark) 100%);
    padding: 70px 0 90px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-tether);
}

.breadcrumb {
    margin-bottom: 24px;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: 12px;
    font-size: 0.9rem;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 12px;
    color: var(--text-muted);
}

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

.breadcrumb a:hover {
    color: var(--tether-green);
}

.breadcrumb span[aria-current] {
    color: var(--tether-green);
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--tether-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 750px;
    font-family: 'Inter', sans-serif;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 50px;
    padding: 70px 0;
}

.main-content {
    min-width: 0;
}

.content-section {
    margin-bottom: 55px;
}

.content-section h2 {
    font-size: 1.7rem;
    color: var(--text-primary);
    margin-bottom: 22px;
}

.content-section h2::before {
    content: '₮ ';
    color: var(--tether-green);
}

.content-section p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-family: 'Inter', sans-serif;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.sidebar-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.sidebar-card.highlight {
    background: linear-gradient(135deg, rgba(38, 161, 123, 0.12) 0%, rgba(38, 161, 123, 0.05) 100%);
    border-color: rgba(38, 161, 123, 0.4);
}

.sidebar-card.highlight h3 {
    color: var(--tether-green);
}

.sidebar-card.highlight p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
    font-family: 'Inter', sans-serif;
}

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

.facts-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

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

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

.related-links a {
    color: var(--tether-green);
    font-size: 0.9rem;
}

.styled-list {
    margin: 22px 0;
    padding-left: 22px;
}

.styled-list li {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.highlight-box {
    background: rgba(38, 161, 123, 0.08);
    border: 1px solid rgba(38, 161, 123, 0.25);
    border-radius: var(--radius);
    padding: 28px 32px;
    margin: 32px 0;
    display: flex;
    gap: 22px;
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: rgba(38, 161, 123, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    color: var(--tether-green);
    font-size: 1.2rem;
}

.highlight-content h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.highlight-content p {
    color: var(--text-muted);
    margin: 0;
    font-family: 'Inter', sans-serif;
}

.process-timeline {
    margin-top: 35px;
}

.process-step {
    display: flex;
    gap: 28px;
    margin-bottom: 45px;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-step .step-number {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    margin-bottom: 0;
    flex-shrink: 0;
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--tether-green) 0%, transparent 100%);
    margin-top: 12px;
    opacity: 0.4;
}

.process-step:last-child .step-line {
    display: none;
}

.step-content h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}

.step-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    padding: 14px 18px;
    background: var(--bg-card);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.step-detail i {
    color: var(--tether-green);
}

.compare-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

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

.compare-card h3 {
    font-size: 1.2rem;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-primary);
}

.compare-card h3 i {
    width: 42px;
    height: 42px;
    background: rgba(38, 161, 123, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tether-green);
    font-size: 1rem;
}

.compare-card ul {
    list-style: none;
}

.compare-card li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
}

.compare-card li:last-child {
    border-bottom: none;
}

.compare-card li i {
    flex-shrink: 0;
}

.faq-list-page {
    margin-top: 35px;
}

.faq-list-page details {
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 18px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-list-page details:hover {
    border-color: rgba(38, 161, 123, 0.3);
}

.faq-list-page details[open] {
    border-color: var(--tether-green);
    box-shadow: 0 0 20px rgba(38, 161, 123, 0.1);
}

.faq-list-page summary {
    padding: 22px 28px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-list-page summary::-webkit-details-marker {
    display: none;
}

.faq-list-page summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--tether-green);
    font-weight: 300;
    font-family: monospace;
}

.faq-list-page details[open] summary::after {
    content: '−';
}

.faq-list-page summary h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
}

.faq-list-page .faq-answer {
    padding: 0 28px 28px;
}

.faq-list-page .faq-answer p {
    color: var(--text-muted);
    margin-bottom: 14px;
    font-family: 'Inter', sans-serif;
}

.faq-list-page .faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-list-page .faq-answer ul,
.faq-list-page .faq-answer ol {
    margin: 16px 0;
    padding-left: 22px;
    color: var(--text-muted);
}

.faq-list-page .faq-answer li {
    margin-bottom: 10px;
    font-family: 'Inter', sans-serif;
}

.faq-category {
    margin-bottom: 55px;
}

.faq-category h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.faq-category h2 i {
    color: var(--tether-green);
    filter: drop-shadow(0 0 5px rgba(38, 161, 123, 0.5));
}

.usdt-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(38, 161, 123, 0.15);
    color: var(--tether-green);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.trx-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 0, 19, 0.12);
    color: var(--tron-red);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-sidebar,
    .sidebar {
        order: -1;
    }
    
    .steps-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 18px;
    }
    
    .nav ul {
        gap: 6px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav a {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 70px 0 90px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-features {
        gap: 25px;
    }
    
    .section-header h2 {
        font-size: 1.7rem;
    }
    
    .steps-grid,
    .features-grid,
    .faq-grid,
    .compare-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .page-hero h1 {
        font-size: 1.8rem;
    }
    
    .highlight-box {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 18px;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 14px 16px;
        font-size: 0.85rem;
    }
}