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

:root {
    --bg-primary: #FFFFFF;
    --text-primary: #17191b;
    --text-secondary: #2b3b4a;
    --text-tertiary: #4a5565;
    --accent-solid: #17191b;
    --accent-hover: #313c48;
    --border-subtle: #e0e4e8;
    --border-strong: #c0c8d0;
    --surface-muted: #f5f7fa;
    --surface-card: #fafbfc;
    --success: #1e7b4a;
    --warning: #b35e2e;
    --error: #b33c2f;
    --online: #1e7b4a;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Source Code Pro', monospace;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.02);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 40px -12px rgba(0,0,0,0.08);
    --transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    font-weight: 400;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: 2rem 1rem;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.paper {
    max-width: 1400px;
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    padding: 3rem 3rem;
    position: relative;
}

.paper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 3.5rem;
    height: 100%;
    width: 1px;
    background: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 6px,
        var(--border-subtle) 6px,
        var(--border-subtle) 12px
    );
    opacity: 0.5;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--accent-solid);
}

.logo-container {
    background-color: var(--bg-primary);
    line-height: 0;
}

.logo {
    max-width: 100%;
    height: auto;
    width: 413px;
    display: block;
}

.paper-metadata {
    display: flex;
    gap: 2rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.meta-item {
    border-left: 1px solid var(--border-subtle);
    padding-left: 1.5rem;
    line-height: 1.2;
}

.meta-item:first-child {
    border-left: none;
    padding-left: 0;
}

.abstract {
    margin-bottom: 4rem;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h1 .accent-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: var(--accent-solid);
    border-radius: 50%;
    margin-left: 12px;
    vertical-align: middle;
}

.lead {
    font-size: 1.25rem;
    max-width: 75%;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.5;
    font-weight: 350;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
}

.stat-item {
    border-left: 2px solid var(--accent-solid);
    padding-left: 1rem;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    margin-bottom: 0.2rem;
}

.stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.status-online {
    color: var(--online);
    position: relative;
    padding-left: 1.2rem;
}

.status-online::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--online);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.5; transform: translateY(-50%) scale(1.2); }
}

h2 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 1rem;
    line-height: 1.2;
}

.links-section {
    margin-bottom: 4rem;
}

.table-container {
    border: 1px solid var(--border-subtle);
    background-color: var(--surface-card);
    margin-bottom: 1.5rem;
    border-radius: 0;
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 120px 1fr 110px;
    padding: 0.9rem 1.5rem;
    background-color: var(--surface-muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 500;
}

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

.link-item {
    display: grid;
    grid-template-columns: 120px 1fr 110px;
    align-items: center;
    padding: 1.1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition);
    word-break: break-word;
}

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

.link-item:hover {
    background-color: var(--accent-hover);
    color: white;
}

.link-item:hover .link-type,
.link-item:hover .link-address,
.link-item:hover .link-status {
    color: white;
}

.link-type {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.primary-link .link-type {
    color: var(--accent-solid);
    font-weight: 700;
}

.primary-link .link-type::after {
    content: '★';
    margin-left: 6px;
    font-size: 0.7rem;
}

.link-address {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    word-break: break-all;
    padding-right: 1.5rem;
    color: var(--text-primary);
}

.link-status {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.status-verified {
    color: var(--success);
    position: relative;
    font-weight: 500;
}

.status-verified::before {
    content: '✓';
    margin-right: 6px;
    font-weight: 600;
}

.link-warning {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: #fffaf0;
    border-left: 4px solid var(--warning);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.warning-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.verification-section {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background-color: var(--surface-card);
    border: 1px dashed var(--border-strong);
    position: relative;
}

.verification-badge {
    background-color: var(--accent-solid);
    color: white;
    font-size: 0.65rem;
    padding: 0.2rem 0.8rem;
    border-radius: 100px;
    vertical-align: middle;
    margin-left: 1rem;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.02em;
    display: inline-block;
}

.verification-form {
    display: flex;
    gap: 0.5rem;
    margin: 2rem 0 1.5rem;
    flex-wrap: wrap;
}

.verification-input {
    flex: 3;
    min-width: 280px;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background-color: var(--bg-primary);
    transition: var(--transition);
    border-radius: 0;
}

.verification-input:focus {
    outline: none;
    border-color: var(--accent-solid);
    box-shadow: 0 0 0 3px rgba(23,25,27,0.05);
}

.verification-button {
    flex: 1;
    min-width: 160px;
    background-color: var(--accent-solid);
    color: white;
    border: none;
    padding: 0 2rem;
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    border-radius: 0;
}

.verification-button:hover {
    background-color: var(--accent-hover);
}

.verification-result {
    margin-top: 2rem;
    padding: 1.2rem 1.5rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    min-height: 70px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: var(--transition);
    line-height: 1.5;
}

.result-success {
    color: var(--success);
    border-left: 4px solid var(--success);
    background-color: #f1f9f1;
}

.result-error {
    color: var(--error);
    border-left: 4px solid var(--error);
    background-color: #fdf2f1;
}

.analysis-section {
    margin-bottom: 4rem;
}

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

.analysis-card {
    padding: 2rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.analysis-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.analysis-card h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
    letter-spacing: -0.01em;
}

.analysis-card p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

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

.feature-list li {
    padding: 0.25rem 0;
    padding-left: 1.2rem;
    position: relative;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-solid);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.market-history {
    margin-bottom: 4rem;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-subtle);
}

.timeline-item {
    display: flex;
    gap: 3rem;
    position: relative;
}

.timeline-date {
    min-width: 100px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-solid);
    text-align: right;
    position: relative;
}

.timeline-date::after {
    content: '';
    position: absolute;
    right: -1.6rem;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background-color: var(--accent-solid);
    border-radius: 50%;
}

.timeline-content {
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.buying-guide {
    margin-bottom: 4rem;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 1.5rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.step:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.step-number {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--accent-solid);
    opacity: 0.4;
    min-width: 60px;
    line-height: 1;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    letter-spacing: -0.01em;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 85%;
}

.security-section {
    margin-bottom: 4rem;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.security-item {
    padding: 1.5rem;
    border-left: 3px solid var(--accent-solid);
    background-color: var(--surface-card);
    box-shadow: var(--shadow-sm);
}

.security-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.security-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

.faq-section {
    margin-bottom: 4rem;
}

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

.faq-item {
    padding: 1.5rem;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent-solid);
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

.vendor-requirements {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.requirements-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.requirements-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.requirements-list li {
    padding: 0.6rem 1rem;
    padding-left: 1.5rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    position: relative;
    color: var(--text-secondary);
}

.requirements-list li::before {
    content: '•';
    position: absolute;
    left: 0.6rem;
    color: var(--accent-solid);
    font-size: 1.2rem;
    line-height: 1;
}

.requirements-list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.statistics-section {
    margin-bottom: 4rem;
}

.stats-advanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
}

.stat-block {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 0.2rem;
    color: var(--accent-solid);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.stat-block .stat-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-family: var(--font-mono);
}

.comparison-section {
    margin-bottom: 4rem;
}

.comparison-table {
    border: 1px solid var(--border-subtle);
    background-color: var(--surface-card);
    margin-top: 2rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-row:last-child {
    border-bottom: none;
}

.header-row {
    background-color: var(--surface-muted);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.comparison-feature {
    padding: 1rem 1.5rem;
    border-right: 1px solid var(--border-subtle);
}

.comparison-value {
    padding: 1rem 1.5rem;
    border-right: 1px solid var(--border-subtle);
}

.comparison-value:last-child {
    border-right: none;
}

.comparison-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.security-glossary {
    margin-bottom: 4rem;
}

.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.glossary-item {
    padding: 1.2rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
}

.glossary-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-solid);
    font-family: var(--font-mono);
}

.glossary-item p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

.regional-guide {
    margin-bottom: 4rem;
}

.regional-content {
    margin-top: 2rem;
}

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

.region-item {
    padding: 1.2rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent-solid);
}

.region-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.region-item p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

.seo-content {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background-color: var(--surface-muted);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.seo-content p {
    max-width: 85%;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

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

.seo-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.news-section {
    margin-bottom: 4rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.news-item {
    padding: 1.5rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.news-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.news-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent-solid);
}

.news-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.resources-section {
    margin-bottom: 4rem;
}

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

.resource-card {
    padding: 1.5rem;
    background-color: var(--surface-card);
    border: 1px solid var(--border-subtle);
    text-align: center;
    transition: var(--transition);
}

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

.resource-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent-solid);
}

.resource-card p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

.warning-section {
    margin-bottom: 4rem;
}

.warning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.warning-card {
    padding: 1.5rem;
    background-color: #fffaf0;
    border: 1px solid var(--warning);
    border-left: 4px solid var(--warning);
}

.warning-card.critical {
    background-color: #fdf2f1;
    border-color: var(--error);
    border-left-color: var(--error);
}

.warning-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.warning-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.footer {
    margin-top: 3rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
}

.footer-content {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    line-height: 1.6;
}

.footer-signatures {
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.5rem;
}

.signature {
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

@media (max-width: 900px) {
    .paper {
        padding: 2rem 1.5rem;
    }
    
    .paper::before {
        left: 2rem;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .lead {
        max-width: 100%;
        font-size: 1.1rem;
    }
    
    .step-content p {
        max-width: 100%;
    }
    
    .seo-content p {
        max-width: 100%;
    }
    
    .requirements-list {
        grid-template-columns: 1fr;
    }
    
    .stats-advanced {
        gap: 1rem;
        padding: 1rem;
    }
    
    .timeline::before {
        left: 80px;
    }
    
    .timeline-item {
        gap: 2rem;
    }
    
    .timeline-date {
        min-width: 70px;
        font-size: 0.75rem;
    }
    
    .timeline-date::after {
        right: -1.2rem;
    }
}

@media (max-width: 700px) {
    body {
        padding: 1rem 0.5rem;
    }
    
    .paper {
        padding: 1.5rem 1rem;
    }
    
    .paper::before {
        display: none;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding-bottom: 1.5rem;
    }
    
    .paper-metadata {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .meta-item {
        border-left: none;
        padding-left: 0;
        border-bottom: 1px solid var(--border-subtle);
        padding-bottom: 0.4rem;
        width: 100%;
    }
    
    .table-header {
        display: none;
    }
    
    .link-item {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        padding: 1rem;
        border: 1px solid var(--border-subtle);
        margin-bottom: 0.75rem;
        background-color: var(--bg-primary);
    }
    
    .link-type {
        font-size: 0.65rem;
    }
    
    .link-address {
        font-size: 0.8rem;
        background-color: var(--surface-muted);
        padding: 0.6rem;
        border-radius: 0;
        border: 1px solid var(--border-subtle);
    }
    
    .link-status {
        text-align: left;
    }
    
    .verification-form {
        flex-direction: column;
    }
    
    .verification-button {
        padding: 1rem;
        width: 100%;
    }
    
    .verification-section {
        padding: 1.5rem;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
        padding: 1.2rem;
    }
    
    .step-number {
        min-width: auto;
    }
    
    .analysis-grid {
        gap: 1rem;
    }
    
    .analysis-card {
        padding: 1.5rem;
    }
    
    .faq-grid {
        gap: 1rem;
    }
    
    .security-grid {
        gap: 1rem;
    }
    
    .vendor-requirements {
        padding: 1.5rem;
    }
    
    .stats-advanced {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .seo-content {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h1 .accent-dot {
        width: 8px;
        height: 8px;
        margin-left: 6px;
    }
    
    h2 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
    
    .footer-signatures {
        font-size: 0.6rem;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
        border-left: 2px solid var(--accent-solid);
        padding-left: 1rem;
    }
    
    .timeline-date {
        text-align: left;
    }
    
    .timeline-date::after {
        display: none;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .comparison-feature {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        padding: 0.5rem 0;
        font-weight: 600;
    }
    
    .comparison-value {
        padding: 0.25rem 0;
        border-right: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .stat-item {
        border-left-width: 2px;
        padding-left: 0.75rem;
    }
    
    .stat-value {
        font-size: 1rem;
    }
    
    .stats-advanced {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .stat-block {
        padding: 0.75rem;
        border-bottom: 1px solid var(--border-subtle);
    }
    
    .stat-block:last-child {
        border-bottom: none;
    }
    
    .requirements-list li {
        font-size: 0.8rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .warning-grid {
        grid-template-columns: 1fr;
    }
    
    .glossary-grid {
        grid-template-columns: 1fr;
    }
    
    .regional-grid {
        grid-template-columns: 1fr;
    }
}

@media print {
    .paper::before {
        display: none;
    }
    
    .verification-section,
    .verification-button,
    .verification-input,
    .news-section,
    .warning-section {
        display: none;
    }
}

::selection {
    background-color: var(--accent-solid);
    color: white;
}

::-moz-selection {
    background-color: var(--accent-solid);
    color: white;
}