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

:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --accent-dark: #17191b;
    --accent-hover: #313c48;
    --accent-soft: #E9ECF0;
    --text-primary: #17191b;
    --text-secondary: #4B5565;
    --text-tertiary: #6B7A8F;
    --border-light: #E9EDF2;
    --border-medium: #D0D7DE;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 0, 0, 0.02);
    --card-shadow-hover: 0 20px 30px -10px rgba(23, 25, 27, 0.08), 0 8px 15px rgba(0, 0, 0, 0.03);
    --success-color: #2C7A4D;
    --error-color: #C93A3A;
    --warning-color: #B68B40;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.site-header {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-area {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo {
    height: 40px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    letter-spacing: -0.01em;
}

.nav-link:hover {
    color: var(--accent-dark);
}

.nav-link.active {
    color: var(--accent-dark);
    border-bottom-color: var(--accent-dark);
}

.section {
    padding: 5rem 0;
}

.hero-section {
    padding-top: 3rem;
    padding-bottom: 4rem;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--accent-dark);
    margin-bottom: 1.5rem;
}

.accent-word {
    color: var(--accent-hover);
    position: relative;
    display: inline-block;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 90%;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.stat-badge {
    background-color: var(--accent-dark);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    box-shadow: 0 2px 6px rgba(23, 25, 27, 0.08);
}

.prism-shape {
    width: 100%;
    aspect-ratio: 1 / 0.85;
    background: linear-gradient(145deg, var(--accent-dark) 0%, var(--accent-hover) 100%);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    opacity: 0.08;
    transform: rotate(180deg) scale(0.9);
    filter: blur(2px);
}

.section-header {
    margin-bottom: 3rem;
    text-align: left;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--accent-dark);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.text-accent {
    color: var(--accent-hover);
    font-weight: 600;
}

.section-subhead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.link-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 28px;
    padding: 1.5rem;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.2s;
    box-shadow: var(--card-shadow);
    animation: cardAppear 0.6s ease backwards;
    animation-delay: calc(0.08s * var(--card-index, 0));
    will-change: transform, box-shadow;
}

@keyframes cardAppear {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-dark);
}

.link-card-inner {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.link-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--accent-hover);
    text-transform: uppercase;
}

.link-url {
    font-size: 1rem;
    font-weight: 500;
    word-break: break-all;
    color: var(--accent-dark);
    cursor: pointer;
    padding: 0.5rem 0.25rem;
    border-radius: 8px;
    transition: background-color 0.15s;
    line-height: 1.4;
}

.link-url:hover {
    background-color: rgba(49, 60, 72, 0.04);
    text-decoration: underline;
    text-decoration-color: var(--accent-hover);
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}

.link-latency {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-family: 'SF Mono', 'Menlo', monospace;
    letter-spacing: -0.02em;
}

.copy-btn {
    background-color: var(--accent-dark);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    align-self: flex-start;
    margin-top: 0.25rem;
    letter-spacing: 0.01em;
}

.copy-btn:hover {
    background-color: var(--accent-hover);
}

.copy-btn:active {
    transform: scale(0.96);
}

.mirror-disclaimer {
    background: rgba(182, 139, 64, 0.04);
    border-left: 3px solid var(--warning-color);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 28px;
    padding: 2rem;
    transition: transform 0.25s, border-color 0.2s;
    box-shadow: var(--card-shadow);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-dark);
    box-shadow: var(--card-shadow-hover);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.product-showcase {
    background: var(--bg-secondary);
    border-radius: 32px;
    padding: 2.5rem;
    border: 1px solid var(--border-light);
}

.product-showcase h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.product-showcase p {
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 80%;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.product-tags span {
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    padding: 0.4rem 1.2rem;
    border-radius: 40px;
    font-size: 0.9rem;
    color: var(--accent-dark);
    font-weight: 500;
    transition: background 0.15s, border-color 0.15s;
}

.product-tags span:hover {
    background: var(--accent-soft);
    border-color: var(--accent-hover);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 3rem;
}

.step-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    padding: 1.8rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--card-shadow);
}

.step-item:hover {
    border-color: var(--accent-hover);
    box-shadow: var(--card-shadow-hover);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent-dark);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 8px rgba(23, 25, 27, 0.1);
}

.step-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.market-rules {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid var(--border-light);
}

.market-rules h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.market-rules ul {
    list-style: none;
}

.market-rules li {
    margin-bottom: 1rem;
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.market-rules li::before {
    content: "●";
    color: var(--accent-hover);
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.market-rules strong {
    color: var(--accent-dark);
    font-weight: 600;
}

.verifier-panel {
    max-width: 720px;
    margin: 0 auto 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 60px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.input-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.verifier-input {
    flex: 1;
    min-width: 260px;
    padding: 0.9rem 1.5rem;
    border: 1px solid var(--border-medium);
    border-radius: 60px;
    font-size: 1rem;
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.verifier-input:focus {
    outline: none;
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 3px rgba(23, 25, 27, 0.06);
}

.verify-button {
    background-color: var(--accent-dark);
    color: white;
    border: none;
    padding: 0.9rem 2.5rem;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

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

.validation-result {
    margin-top: 1.5rem;
    padding: 0.9rem 1.8rem;
    border-radius: 60px;
    display: none;
    font-weight: 500;
    text-align: center;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.validation-result.success {
    display: block;
    background-color: rgba(44, 122, 77, 0.06);
    border-color: rgba(44, 122, 77, 0.2);
    color: var(--success-color);
}

.validation-result.error {
    display: block;
    background-color: rgba(201, 58, 58, 0.06);
    border-color: rgba(201, 58, 58, 0.2);
    color: var(--error-color);
}

.verification-note {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.stats-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent-dark);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    padding: 1.8rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--card-shadow);
}

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

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.seo-content-section {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
}

.seo-rich-content {
    max-width: 900px;
    margin: 0 auto;
}

.seo-rich-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.seo-rich-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--accent-hover);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.seo-rich-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.latest-blackops-links {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.latest-blackops-links h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.latest-blackops-links p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.blackops-link-list {
    list-style: none;
    margin: 2rem 0;
}

.blackops-link-list li {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--accent-dark);
    word-break: break-all;
    box-shadow: var(--card-shadow);
}

.blackops-link-list li strong {
    color: var(--accent-hover);
    font-weight: 600;
    font-family: var(--font-family);
}

.site-footer {
    border-top: 1px solid var(--border-light);
    padding: 2rem 0;
    color: var(--text-tertiary);
    background: var(--bg-primary);
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.site-footer p {
    font-size: 0.9rem;
}

.seo-footer-tags {
    font-size: 0.75rem;
    color: var(--border-medium);
    word-break: break-all;
    max-width: 100%;
    line-height: 1.6;
}

.notification {
    position: fixed;
    top: 90px;
    right: 24px;
    background: var(--accent-dark);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 60px;
    z-index: 10000;
    transform: translateX(150%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

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

@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .product-showcase p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .header-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .main-nav ul {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    h1 {
        font-size: 2.5rem;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .prism-shape {
        max-width: 280px;
        margin: 0 auto;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-header {
        text-align: center;
    }
    
    .section-subhead {
        margin-left: auto;
        margin-right: auto;
    }

    .features-grid {
        gap: 1.2rem;
    }

    .step-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .input-group {
        flex-direction: column;
        gap: 0.8rem;
    }

    .verify-button {
        width: 100%;
        padding: 0.9rem 1.5rem;
    }

    .verifier-panel {
        padding: 1.5rem;
        border-radius: 32px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 1rem;
    }
    
    .product-showcase {
        padding: 1.8rem;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-item {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.2rem;
    }
    
    h1 {
        font-size: 2.2rem;
    }

    .links-grid {
        grid-template-columns: 1fr;
    }

    .copy-btn {
        width: 100%;
        text-align: center;
    }

    .product-tags {
        gap: 0.5rem;
    }
    
    .product-tags span {
        width: calc(50% - 0.25rem);
        text-align: center;
        font-size: 0.85rem;
        padding: 0.4rem 0.5rem;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .seo-rich-content h2 {
        font-size: 1.6rem;
    }
    
    .seo-rich-content h3 {
        font-size: 1.3rem;
    }
    
    .latest-blackops-links h2 {
        font-size: 1.6rem;
    }
    
    .blackops-link-list li {
        padding: 0.8rem 1rem;
        font-size: 0.85rem;
    }
}

@media (min-width: 1600px) {
    .container {
        max-width: 1440px;
    }
    
    .hero-description {
        font-size: 1.3rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}