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

:root {
    --primary-white: #FFFFFF;
    --primary-dark: #303948;
    --accent-blue: #3cbef2;
    --dark-bg: #1a1f28;
    --card-bg: #252d38;
    --text-secondary: #a0aec0;
    --border-color: #3a4658;
    --success-green: #48bb78;
    --warning-orange: #ed8936;
    --font-main: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    font-family: var(--font-main);
    background-color: var(--dark-bg);
    color: var(--primary-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Geometric Header */
.geometric-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.geometric-header::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    opacity: 0.1;
    top: -50px;
    left: -50px;
    z-index: -1;
}

.logo-container {
    margin-bottom: 1.5rem;
}

.logo {
    filter: drop-shadow(0 0 10px rgba(60, 190, 242, 0.3));
}

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

.main-title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.title-part {
    display: inline-block;
    position: relative;
}

.title-part.accent {
    color: var(--accent-blue);
    margin: 0 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    letter-spacing: 2px;
}

/* Status Panel */
.status-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--accent-blue);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background-color: var(--success-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.online {
    color: var(--success-green);
}

.last-update {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: 2fr 1fr;
    }
    
    .review-card,
    .guide-card,
    .seo-section {
        grid-column: 1 / -1;
    }
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.primary-card {
    position: relative;
    overflow: hidden;
}

.primary-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, transparent, var(--accent-blue));
    opacity: 0.1;
    border-radius: 0 16px 0 0;
}

.review-card {
    background: linear-gradient(135deg, var(--card-bg), #2a3545);
    position: relative;
}

.guide-card {
    background: var(--card-bg);
    border-top: 4px solid var(--accent-blue);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.card-header h2 {
    font-size: 1.75rem;
    font-weight: 500;
}

.verified-badge {
    background: var(--accent-blue);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.rating-badge {
    background: var(--success-green);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Links Grid */
.links-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.link-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.link-item:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.link-number {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.link-content {
    overflow: hidden;
}

.link-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.onion-link {
    color: var(--primary-white);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    word-break: break-all;
    display: block;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.onion-link:hover {
    color: var(--accent-blue);
}

.link-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-green);
}

.security-note {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(60, 190, 242, 0.05);
    border-radius: 12px;
    border-left: 4px solid var(--accent-blue);
}

.lock-icon {
    font-size: 1.5rem;
}

/* Info Card */
.info-card {
    background: linear-gradient(135deg, var(--card-bg), #2a3545);
}

.protocol-list {
    list-style: none;
    margin-bottom: 2rem;
}

.protocol-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

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

.protocol-list strong {
    color: var(--accent-blue);
}

.feature-box {
    padding: 1.5rem;
    background: rgba(60, 190, 242, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(60, 190, 242, 0.2);
}

.feature-box h4 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Review Content */
.review-content {
    line-height: 1.8;
}

.review-intro {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.review-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.key-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.info-item {
    padding: 0.75rem;
}

.info-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.info-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.section-title {
    font-size: 1.5rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--primary-white);
    position: relative;
    padding-left: 1rem;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    height: 1.5rem;
    width: 4px;
    background: var(--accent-blue);
    border-radius: 2px;
}

.feature-highlight {
    background: rgba(60, 190, 242, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    border-left: 4px solid var(--accent-blue);
}

.feature-highlight h4 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.warning-note {
    background: rgba(237, 137, 54, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid var(--warning-orange);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.warning-icon {
    font-size: 1.5rem;
    color: var(--warning-orange);
}

.conclusion-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

@media (min-width: 768px) {
    .pros-cons {
        grid-template-columns: 1fr 1fr;
    }
}

.pros ul, .cons ul {
    list-style: none;
    margin-top: 1rem;
}

.pros li, .cons li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.pros li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: bold;
}

.cons li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    color: var(--warning-orange);
}

.pros h4 {
    color: var(--success-green);
}

.cons h4 {
    color: var(--warning-orange);
}

.final-verdict {
    font-size: 1.1rem;
    padding: 1.5rem;
    background: rgba(60, 190, 242, 0.05);
    border-radius: 12px;
    margin-top: 2rem;
    border-left: 4px solid var(--accent-blue);
}

/* Guide Card */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.step {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.step-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.step h4 {
    margin-bottom: 0.75rem;
    color: var(--primary-white);
}

.disclaimer-box {
    background: rgba(237, 137, 54, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 1px solid rgba(237, 137, 54, 0.2);
}

.disclaimer-box h4 {
    color: var(--warning-orange);
    margin-bottom: 0.75rem;
}

/* SEO Section */
.seo-section {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(60, 190, 242, 0.05), transparent);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.keyword-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.keyword-tag:first-child {
    background: rgba(60, 190, 242, 0.15);
    color: var(--accent-blue);
    font-weight: 500;
}

.keyword-tag:hover {
    background: rgba(60, 190, 242, 0.2);
    color: var(--primary-white);
}

.seo-content {
    line-height: 1.8;
}

.seo-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-white);
    text-align: center;
}

.seo-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.seo-content strong {
    color: var(--accent-blue);
}

/* Footer */
.minimal-footer {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

.disclaimer {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 1rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .status-panel {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .link-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .link-number {
        justify-self: start;
    }
    
    .key-info-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-links span:nth-child(even) {
        display: none;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .keyword-tags {
        justify-content: flex-start;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
}

.access-alert {
    background: rgba(60, 190, 242, 0.08);
    border-left: 3px solid var(--accent-blue);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0 8px 8px 0;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.alert-icon {
    font-size: 1.2rem;
    margin-top: 0.1rem;
}

.link-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.meta-value {
    color: var(--accent-blue);
    font-weight: 500;
}

.validation-note {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.validation-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.protocol-number {
    display: inline-block;
    width: 2rem;
    color: var(--accent-blue);
    font-family: var(--font-mono);
    font-weight: 600;
}

.security-metric {
    text-align: center;
    padding: 1rem;
    background: rgba(60, 190, 242, 0.05);
    border-radius: 10px;
    margin-top: 1.5rem;
    border: 1px solid rgba(60, 190, 242, 0.1);
}

.metric-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-blue);
    line-height: 1;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.gateway-analysis {
    grid-column: 1 / -1;
}

.analysis-badge {
    background: linear-gradient(45deg, var(--accent-blue), #2aa0d1);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.performance-matrix {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 1.5rem 0;
    overflow: hidden;
}

.matrix-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.matrix-cell {
    padding: 1.25rem;
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.matrix-cell:last-child {
    border-right: none;
}

.matrix-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.matrix-data {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-blue);
    font-family: var(--font-mono);
}

.gateway-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.gateway-type {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s ease;
}

.gateway-type:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
}

.gateway-spec {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.security-framework {
    grid-column: 1 / -1;
}

.framework-overview {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.security-layers {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.layer {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

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

.layer-number {
    background: var(--accent-blue);
    color: var(--primary-dark);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.1rem;
}

.layer ul {
    list-style: none;
    margin-top: 1rem;
    padding-left: 0;
}

.layer li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.layer li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.cryptographic-implementation {
    background: rgba(60, 190, 242, 0.05);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid rgba(60, 190, 242, 0.1);
}

.crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.crypto-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.crypto-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.operational-guide {
    grid-column: 1 / -1;
}

.guide-badge {
    background: linear-gradient(45deg, #48bb78, #38a169);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.procedure-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.procedure-step {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

.procedure-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-blue), transparent);
    border-radius: 4px 0 0 4px;
}

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

.step-marker {
    background: var(--accent-blue);
    color: var(--primary-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
}

.step-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.action {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.efficiency-metrics {
    background: rgba(60, 190, 242, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    border: 1px solid rgba(60, 190, 242, 0.1);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.connectivity-analysis {
    grid-column: 1 / -1;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.pattern-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.pattern-data {
    margin: 1rem 0;
}

.data-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-label {
    color: var(--text-secondary);
}

.data-value {
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-weight: 500;
}

.pattern-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

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

.strategy {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.verification-system {
    grid-column: 1 / -1;
}

.verification-badge {
    background: linear-gradient(45deg, #ed8936, #dd6b20);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.verification-stages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stage {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

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

.stage-number {
    background: var(--accent-blue);
    color: var(--primary-dark);
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
}

.stage-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.stage-metrics .metric {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.standard {
    text-align: center;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.standard-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.standard-value {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-blue);
}

.seo-optimization {
    grid-column: 1 / -1;
}

.seo-intro {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.solution-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.implementation-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.detail {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
}

.enhancement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.enhancement {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.enhancement-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

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

.highlight {
    background: rgba(60, 190, 242, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--accent-blue);
    font-size: 0.95rem;
}

.keyword-matrix {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.keyword-primary {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.keyword-main {
    display: inline-block;
    background: rgba(60, 190, 242, 0.15);
    color: var(--accent-blue);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.keyword-sub {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.keyword-secondary {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.keyword-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.keyword-item:hover {
    background: rgba(60, 190, 242, 0.1);
    color: var(--primary-white);
}

.query-coverage {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.coverage-item {
    text-align: center;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.coverage-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.coverage-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-blue);
}

.content-freshness {
    background: rgba(72, 187, 120, 0.05);
    border: 1px solid rgba(72, 187, 120, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.accessibility-statement {
    background: rgba(60, 190, 242, 0.05);
    border: 1px solid rgba(60, 190, 242, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.footer-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .matrix-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .matrix-cell:nth-child(2n) {
        border-right: none;
    }
    
    .matrix-cell:nth-child(n+3) {
        border-top: 1px solid var(--border-color);
    }
    
    .step-actions {
        grid-template-columns: 1fr;
    }
    
    .verification-stages {
        grid-template-columns: 1fr;
    }
    
    .keyword-secondary {
        justify-content: flex-start;
    }
    
    .footer-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-meta span:nth-child(even) {
        display: none;
    }
}

@media (max-width: 480px) {
    .gateway-types {
        grid-template-columns: 1fr;
    }
    
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .pattern-grid {
        grid-template-columns: 1fr;
    }
    
    .strategy-list {
        grid-template-columns: 1fr;
    }
    
    .coverage-grid {
        grid-template-columns: 1fr;
    }
    
    .keyword-main {
        font-size: 1rem;
    }
    
    .matrix-cell {
        padding: 1rem;
    }
    
    .layer-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

.faq-section {
    grid-column: 1 / -1;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-blue);
}

.faq-item h5 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.faq-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.issue-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.issue-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.issue-item h5 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.issue-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.analysis-content {
    line-height: 1.7;
}

.analysis-content h3 {
    margin: 1.5rem 0 1rem;
    color: var(--primary-white);
    font-size: 1.3rem;
    font-weight: 500;
}

.seo-content-block {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.seo-content-block h3 {
    color: var(--primary-white);
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
    font-weight: 500;
}

.seo-content-block h4 {
    color: var(--primary-white);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 500;
}

.seo-content-block h5 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.seo-content-block h6 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
}

.seo-conclusion-block {
    background: rgba(60, 190, 242, 0.05);
    border: 1px solid rgba(60, 190, 242, 0.1);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.quick-access {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.copy-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.link-code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex: 1;
    word-break: break-all;
}

.copy-btn {
    background: var(--accent-blue);
    color: var(--primary-dark);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.copy-btn:hover {
    opacity: 0.9;
}

.no-links {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.featured {
    border: 1px solid rgba(60, 190, 242, 0.3);
    background: rgba(60, 190, 242, 0.05);
}

.featured .link-status {
    background: rgba(60, 190, 242, 0.2);
    color: var(--accent-blue);
}

.faq-section h2,
.verification-system h2,
.security-framework h2,
.connectivity-analysis h2,
.operational-guide h2,
.gateway-analysis h2,
.seo-optimization h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--primary-white);
}

.search-optimization h3 {
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-white);
}

.search-optimization h4 {
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-white);
}

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

.seo-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-white);
}

.optimization-guide h3 {
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-white);
}

.verification-content p,
.framework-overview p,
.analysis-intro p,
.procedure-content p,
.seo-intro p {
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.analysis-content p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.verification-content h4,
.framework-overview h4,
.optimization-guide h4,
.procedure-content h4 {
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-white);
}

.gateway-type h4 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.gateway-type p,
.strategy p,
.crypto-item p,
.solution p,
.detail p,
.enhancement p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.enhancement h5,
.strategy h5,
.crypto-item h5,
.solution h5 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.layer h4,
.stage h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-white);
}

.layer p,
.stage p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.cryptographic-implementation h3,
.optimization-guide h3,
.verification-standards h4,
.efficiency-metrics h4,
.search-optimization h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-white);
}

.pattern-card h5 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.procedure-step h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-white);
}

.procedure-step p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.access-alert p,
.validation-note p,
.seo-conclusion-block p,
.accessibility-statement p,
.content-freshness p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.validation-note h4,
.quick-access h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.feature-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-list,
    .implementation-details,
    .enhancement-grid {
        grid-template-columns: 1fr;
    }
    
    .copy-box {
        flex-direction: column;
        align-items: stretch;
    }
    
    .link-code {
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 480px) {
    .faq-item,
    .issue-item,
    .layer,
    .stage,
    .procedure-step,
    .pattern-card,
    .strategy,
    .solution,
    .detail,
    .enhancement {
        padding: 1.25rem;
    }
    
    .seo-conclusion-block,
    .cryptographic-implementation,
    .efficiency-metrics {
        padding: 1.5rem;
    }
    
    .verification-system h2,
    .security-framework h2,
    .connectivity-analysis h2,
    .operational-guide h2,
    .gateway-analysis h2,
    .seo-optimization h2 {
        font-size: 1.5rem;
    }
}