:root {
    --color-bg: #0f1419;
    --color-surface: #1a212c;
    --color-surface-light: #232b38;
    --color-text: #ffffff;
    --color-text-secondary: #a0aec0;
    --color-accent: #3cbef2;
    --color-accent-dark: #2a8db8;
    --color-success: #00a859;
    --color-error: #ff3366;
    --color-border: #2d3748;
    --color-border-light: #3a4557;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

::selection {
    background-color: rgba(60, 190, 242, 0.3);
    color: var(--color-text);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.layout-grid {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    padding: 32px 0 24px;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background-color: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    margin-bottom: 40px;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
}

.site-logo {
    filter: drop-shadow(0 4px 20px rgba(60, 190, 242, 0.15));
    transition: filter var(--transition-base);
}

.site-logo:hover {
    filter: drop-shadow(0 4px 25px rgba(60, 190, 242, 0.25));
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.main-nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 10px 0;
    position: relative;
    transition: color var(--transition-base);
    letter-spacing: 0.3px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    transition: width var(--transition-slow);
}

.main-nav a:hover {
    color: var(--color-text);
}

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

.header-tagline {
    display: flex;
    justify-content: center;
    gap: 32px;
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.5px;
}

.tagline-word {
    position: relative;
    padding-left: 20px;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.tagline-word:hover {
    opacity: 1;
}

.tagline-word::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 11px;
    transition: transform var(--transition-fast);
}

.tagline-word:hover::before {
    transform: translateX(3px);
}

.hero-section {
    text-align: center;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at center, rgba(60, 190, 242, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-glitch {
    font-size: 14px;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 28px;
    position: relative;
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid rgba(60, 190, 242, 0.3);
    border-radius: var(--radius-sm);
    background: rgba(60, 190, 242, 0.05);
}

.hero-glitch::before,
.hero-glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: inherit;
    border-radius: inherit;
}

.hero-glitch::before {
    left: 2px;
    text-shadow: -1px 0 rgba(255, 51, 102, 0.7);
    animation: glitch-1 3s infinite linear alternate-reverse;
    z-index: -1;
}

.hero-glitch::after {
    left: -2px;
    text-shadow: 1px 0 rgba(0, 168, 89, 0.7);
    animation: glitch-2 4s infinite linear alternate-reverse;
    z-index: -2;
}

@keyframes glitch-1 {
    0% { clip: rect(20px, 9999px, 25px, 0); opacity: 0.3; }
    5% { clip: rect(15px, 9999px, 30px, 0); opacity: 0.5; }
    10% { clip: rect(25px, 9999px, 35px, 0); opacity: 0.3; }
    100% { clip: rect(10px, 9999px, 40px, 0); opacity: 0.5; }
}

@keyframes glitch-2 {
    0% { clip: rect(30px, 9999px, 35px, 0); opacity: 0.4; }
    8% { clip: rect(25px, 9999px, 40px, 0); opacity: 0.6; }
    15% { clip: rect(35px, 9999px, 45px, 0); opacity: 0.4; }
    100% { clip: rect(20px, 9999px, 50px, 0); opacity: 0.6; }
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.15;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.accent-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, #00a859 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
    font-feature-settings: "tnum";
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.mirrors-section {
    padding: 80px 0;
    position: relative;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg);
    font-size: 12px;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.link-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    word-break: break-all;
    box-shadow: var(--shadow-sm);
}

.link-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.link-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(60, 190, 242, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 0;
}

.link-card:hover .link-glow {
    opacity: 1;
}

.link-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
    position: relative;
    z-index: 1;
}

.link-number {
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.link-status.active {
    color: var(--color-success);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.link-status.active::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 168, 89, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(0, 168, 89, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 168, 89, 0); }
}

.link-url {
    font-family: var(--font-mono);
    font-size: 15px;
    margin-bottom: 28px;
    line-height: 1.6;
    padding: 18px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
    word-break: break-all;
    overflow-wrap: break-word;
}

.link-url:hover {
    background: rgba(0, 0, 0, 0.4);
    border-color: var(--color-accent);
}

.link-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.link-latency {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-weight: 400;
}

.copy-btn {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg);
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 14px;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    opacity: 0.95;
}

.copy-btn:active {
    transform: translateY(0);
}

.mirror-note {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 14px;
    border-top: 1px solid var(--color-border);
    padding-top: 28px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.verification-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-light) 100%);
    border-radius: var(--radius-lg);
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.verification-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.verification-wrapper {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.verification-header {
    text-align: center;
    margin-bottom: 48px;
}

.verification-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.verification-header p {
    color: var(--color-text-secondary);
    font-size: 1.15rem;
    line-height: 1.7;
}

.verification-input-group {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.verification-input {
    flex: 1;
    padding: 20px 24px;
    background: rgba(15, 20, 25, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 16px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.verification-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(60, 190, 242, 0.15);
}

.verification-input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

.verify-btn {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg);
    border: none;
    padding: 0 40px;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 16px;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

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

.verify-btn:active {
    transform: translateY(0);
}

.validation-result {
    margin-top: 20px;
    padding: 22px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 15px;
    line-height: 1.6;
    border: 1px solid transparent;
    animation: slideIn var(--transition-base);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.validation-result.success {
    background: rgba(0, 168, 89, 0.08);
    border-color: rgba(0, 168, 89, 0.3);
    color: var(--color-success);
}

.validation-result.error {
    background: rgba(255, 51, 102, 0.08);
    border-color: rgba(255, 51, 102, 0.3);
    color: var(--color-error);
}

.verification-info {
    margin-top: 48px;
    padding: 32px;
    background: rgba(15, 20, 25, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.verification-info h3 {
    margin-bottom: 24px;
    color: var(--color-accent);
    font-size: 1.3rem;
    font-weight: 600;
}

.verification-info ul {
    list-style: none;
    padding-left: 0;
}

.verification-info li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.verification-info li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
    transition: transform var(--transition-fast);
}

.verification-info li:hover::before {
    transform: translateX(4px);
}

.review-section {
    padding: 80px 0;
}

.review-header {
    text-align: center;
    margin-bottom: 64px;
}

.review-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.review-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.review-content {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.review-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 40px;
    border-left: 4px solid var(--color-accent);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.review-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--color-accent);
    font-weight: 700;
    line-height: 1.4;
}

.review-card p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-size: 16px;
}

.review-card.highlight {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-light) 100%);
    border-left: 4px solid var(--color-success);
    position: relative;
    overflow: hidden;
}

.review-card.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.1) 0%, transparent 100%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 28px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: rgba(15, 20, 25, 0.5);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

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

.spec-label {
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.spec-value {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 15px;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

.assessment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 32px 0;
}

.pros h4, .cons h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid;
    font-weight: 600;
}

.pros h4 {
    color: var(--color-success);
    border-color: rgba(0, 168, 89, 0.3);
}

.cons h4 {
    color: var(--color-error);
    border-color: rgba(255, 51, 102, 0.3);
}

.pros ul, .cons ul {
    list-style: none;
    padding-left: 0;
}

.pros li, .cons li {
    padding: 14px 0;
    padding-left: 32px;
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pros li:last-child, .cons li:last-child {
    border-bottom: none;
}

.pros li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
    font-size: 16px;
}

.cons li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    color: var(--color-error);
    font-weight: 700;
    font-size: 16px;
}

.conclusion {
    margin-top: 32px;
    padding: 28px;
    background: rgba(60, 190, 242, 0.05);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-accent);
    font-style: normal;
    color: var(--color-text);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.guide-section {
    padding: 80px 0;
    position: relative;
}

.guide-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.guide-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 64px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.guide-steps::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 25px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
    opacity: 0.3;
}

.step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: var(--shadow-md);
    position: relative;
    border: 3px solid var(--color-surface);
}

.step-content {
    flex: 1;
    padding: 8px 0;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 14px;
    color: var(--color-accent);
    font-weight: 700;
    line-height: 1.4;
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

.security-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
    border-radius: var(--radius-lg);
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.security-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.security-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 64px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.security-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 36px 32px;
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.security-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.security-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.security-card:hover::before {
    opacity: 1;
}

.security-icon {
    font-size: 2.8rem;
    margin-bottom: 24px;
    color: var(--color-accent);
    display: inline-block;
    transition: transform var(--transition-base);
}

.security-card:hover .security-icon {
    transform: scale(1.1);
}

.security-card h3 {
    margin-bottom: 18px;
    font-size: 1.3rem;
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.4;
}

.security-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

.seo-section {
    padding: 60px 0;
    margin: 60px 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.seo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.seo-content h2 {
    font-size: 1.8rem;
    margin-bottom: 32px;
    color: var(--color-accent);
    text-align: center;
    font-weight: 700;
    line-height: 1.4;
}

.seo-content p {
    margin-bottom: 24px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-size: 16px;
}

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

.site-footer {
    margin-top: auto;
    padding: 60px 0 40px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    background: var(--color-surface);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto 40px;
}

.footer-content p {
    margin-bottom: 20px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

.footer-content strong {
    color: var(--color-accent);
    font-weight: 600;
}

.footer-note {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    opacity: 0.7;
    line-height: 1.7;
}

.footer-copyright {
    color: var(--color-text-secondary);
    font-size: 13px;
    opacity: 0.6;
    letter-spacing: 0.5px;
}

.notification {
    position: fixed;
    top: 32px;
    right: 32px;
    background: linear-gradient(135deg, var(--color-success), #008848);
    color: white;
    padding: 16px 28px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    transform: translateX(150%);
    transition: transform var(--transition-slow);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid rgba(255, 255, 255, 0.3);
    max-width: 400px;
    word-break: break-word;
}

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

@media (max-width: 1024px) {
    .layout-grid {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    }
}

@media (max-width: 768px) {
    .layout-grid {
        padding: 0 16px;
    }
    
    .site-header {
        padding: 24px 0 20px;
    }
    
    .main-nav {
        gap: 20px;
    }
    
    .header-tagline {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    
    .hero-section {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 16px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .section-header h2,
    .verification-header h2,
    .review-header h2,
    .guide-section h2,
    .security-section h2 {
        font-size: 2rem;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .link-card {
        padding: 28px;
    }
    
    .verification-input-group {
        flex-direction: column;
    }
    
    .verify-btn {
        padding: 20px;
        width: 100%;
    }
    
    .assessment-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-steps::before {
        left: 25px;
    }
    
    .step {
        gap: 24px;
    }
    
    .step-number {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .notification {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header h2,
    .verification-header h2,
    .review-header h2,
    .guide-section h2,
    .security-section h2 {
        font-size: 1.7rem;
    }
    
    .main-nav {
        gap: 16px;
        font-size: 14px;
    }
    
    .review-card,
    .verification-info,
    .security-card {
        padding: 24px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
}




.keyword-section {
    display: none !important;
    height: 0;
    width: 0;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    left: -9999px;
}


* {
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    backface-visibility: hidden;
}


.hero-glitch,
.link-card,
.security-card,
.feature-card,
.review-card,
.step-number,
.copy-btn,
.verify-btn {
    will-change: transform, opacity;
    transform: translateZ(0);
}


.site-logo {
    content-visibility: auto;
}


@media (prefers-reduced-motion: no-preference) {
    .hero-section,
    .mirrors-section,
    .verification-section,
    .review-section,
    .features-section,
    .security-section,
    .guide-section,
    .faq-section,
    .seo-section,
    .update-section {
        content-visibility: auto;
    }
}


body {
    font-display: swap;
}


.layout-grid {
    contain: layout style;
}


@media (max-width: 768px) {
    .hero-glitch {
        animation-duration: 4s !important;
    }
    
    .link-card:hover {
        transform: none;
    }
    
    .security-card:hover,
    .feature-card:hover,
    .review-card:hover {
        transform: none;
    }
}


.content-wrapper {
    overflow-anchor: none;
}


[itemscope] {
    display: block;
}


.link-url {
    font-kerning: none;
}


.comparison-table {
    transform: translateZ(0);
    isolation: isolate;
}


.notification {
    will-change: transform;
    transform: translate3d(150%, 0, 0);
}

.notification.show {
    transform: translate3d(0, 0, 0);
}


@media (hover: none) and (pointer: coarse) {
    .link-card:active,
    .security-card:active,
    .feature-card:active {
        transform: scale(0.98);
    }
    
    .copy-btn:active,
    .verify-btn:active {
        transform: scale(0.95);
    }
}


@font-face {
    font-display: swap;
}


.hero-section::before,
.link-glow {
    transform: translateZ(0);
    will-change: opacity;
}


@keyframes pulse {
    0% { 
        box-shadow: 0 0 0 0 rgba(0, 168, 89, 0.4);
        transform: scale(1);
    }
    70% { 
        box-shadow: 0 0 0 6px rgba(0, 168, 89, 0);
        transform: scale(1.05);
    }
    100% { 
        box-shadow: 0 0 0 0 rgba(0, 168, 89, 0);
        transform: scale(1);
    }
}


@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-glitch::before,
    .hero-glitch::after {
        animation: none !important;
    }
    
    .link-status.active::before {
        animation: none !important;
    }
}


@media (max-width: 1024px) and (orientation: landscape) {
    .hero-title {
        font-size: 2.2rem !important;
    }
    
    .section-header h2,
    .verification-header h2,
    .review-header h2 {
        font-size: 1.8rem !important;
    }
}


h1, h2, h3, h4, h5, h6 {
    font-kerning: normal;
    text-size-adjust: 100%;
}


.link-url {
    min-height: 60px;
}


@media (prefers-reduced-data: reduce) {
    .hero-section::before {
        display: none;
    }
    
    .link-glow {
        display: none;
    }
    
    .hero-glitch::before,
    .hero-glitch::after {
        display: none;
    }
}


@-moz-document url-prefix() {
    .link-card,
    .security-card,
    .feature-card {
        transform: none;
    }
}


@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .layout-grid {
        display: block;
    }
    
    .links-grid,
    .security-grid,
    .features-grid {
        display: flex;
        flex-wrap: wrap;
    }
}


@media not all and (min-resolution: 0.001dpcm) {
    @supports (-webkit-appearance: none) {
        .link-card:hover {
            -webkit-transform: translateY(-5px);
            transform: translateY(-5px);
        }
    }
}


::selection {
    background: rgba(60, 190, 242, 0.3);
    text-shadow: none;
}


.copy-btn:focus-visible,
.verify-btn:focus-visible,
.verification-input:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}


@media print {
    .hero-section,
    .verification-section,
    .security-section {
        break-inside: avoid;
    }
    
    .site-header,
    .site-footer,
    .copy-btn,
    .verify-btn {
        display: none;
    }
}


meta[name="description"],
meta[name="keywords"] {
    display: none;
}


.link-card:first-child {
    contain: layout paint;
}


@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .section-header p,
    .verification-header p,
    .review-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .review-card p,
    .security-card p,
    .feature-card p,
    .step-content p,
    .faq-item p,
    .seo-content p,
    .footer-content p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}


.links-grid,
.security-grid,
.features-grid,
.faq-grid,
.specs-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}


.link-card,
.security-card,
.feature-card,
.review-card,
.copy-btn,
.verify-btn,
.link-url,
.verification-input {
    transition: 
        transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.2s ease,
        background-color 0.2s ease,
        box-shadow 0.2s ease;
}


@media (max-width: 768px) {
    .link-card,
    .security-card,
    .feature-card,
    .review-card {
        box-shadow: var(--shadow-sm);
    }
}


@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}


img.site-logo {
    aspect-ratio: 165/60;
    height: auto;
}


.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;
}


:focus {
    outline-color: var(--color-accent);
}


:focus:not(:focus-visible) {
    outline: none;
}


@media (prefers-reduced-motion: no-preference) {
    .link-status.active::before {
        animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
}


@media (min-height: 900px) and (min-width: 1024px) {
    .hero-section {
        min-height: 70vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}


.hero-title {
    content-visibility: auto;
    contain-intrinsic-size: auto 100px;
}


.link-card {
    min-height: 180px;
}


button,
input {
    touch-action: manipulation;
}


input,
textarea {
    font-size: 16px;
}


@media screen and (max-device-width: 480px) {
    body {
        -webkit-text-size-adjust: 100%;
    }
}


.hero-section::before {
    opacity: 0.5;
}


.no-js .verification-input-group {
    display: none;
}

.no-js .link-card {
    animation: none;
}


@supports not (display: grid) {
    .links-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .link-card {
        flex: 1 1 300px;
    }
}


@media (prefers-reduced-motion: reduce) {
    .notification {
        transition: none;
    }
}


@supports (-ms-ime-align: auto) {
    .layout-grid {
        display: block;
    }
}


body {
    opacity: 1;
    transition: opacity 0.1s;
}

body.loading {
    opacity: 0;
}


@media (prefers-reduced-transparency: reduce) {
    .link-glow,
    .hero-section::before {
        opacity: 0.1;
    }
}


@media (max-width: 768px), (max-resolution: 1dppx) {
    .hero-glitch::before,
    .hero-glitch::after {
        animation-duration: 5s;
    }
}


html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    position: relative;
}


.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg);
}


@media (max-width: 320px) {
    .layout-grid {
        padding: 0 10px;
    }
    
    .main-nav {
        gap: 10px;
        font-size: 12px;
    }
    
    .link-card {
        padding: 15px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
}


[itemprop] {
    display: inherit;
}


.hero-section,
#mirrors {
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}


.link-url {
    min-height: 3.5em;
}


* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}


.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-row {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.comparison-row.header {
    background: var(--color-surface-light);
    font-weight: 600;
}

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

.comparison-cell {
    flex: 1;
    padding: 15px;
    text-align: center;
    border-right: 1px solid var(--color-border);
}

.comparison-cell:first-child {
    text-align: left;
    font-weight: 500;
}

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

.comparison-row.header .comparison-cell {
    padding: 18px 15px;
}


.comparison-section {
    padding: 60px 0;
}

.comparison-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}


.access-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.tip-card {
    background: var(--color-surface);
    padding: 25px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent);
}

.tip-card h3 {
    margin-bottom: 15px;
    color: var(--color-accent);
    font-size: 1.2rem;
}

.tip-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}


.update-section {
    padding: 50px 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin: 40px 0;
}

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

.update-info p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.update-info p:first-child {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 20px;
}


.access-section {
    padding: 60px 0;
}

.access-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}


.link-card,
.security-card,
.feature-card,
.tip-card,
.review-card,
.faq-item {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}


@media (max-width: 768px) {
    .comparison-row {
        flex-direction: column;
    }
    
    .comparison-cell {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        text-align: left;
    }
    
    .comparison-cell:last-child {
        border-bottom: none;
    }
    
    .comparison-row.header .comparison-cell {
        border-bottom: 2px solid var(--color-border);
    }
    
    .access-tips {
        grid-template-columns: 1fr;
    }
}