:root {
    --bg: #0f1117;
    --card: #1a1d27;
    --card-hover: #222636;
    --accent: #6c5ce7;
    --accent-glow: rgba(108, 92, 231, 0.15);
    --accent2: #00cec9;
    --text: #e2e4e9;
    --text-dim: #8b8fa3;
    --border: #2d3142;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #e17055;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --radius: 12px;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

.hero {
    background: linear-gradient(135deg, #1a1d27 0%, #2d1b69 50%, #1a1d27 100%);
    padding: 3rem 1.5rem 2.5rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: visible;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(30px, -20px);
    }
}

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

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 1.2rem;
}

.breadcrumb a {
    color: var(--accent2);
    text-decoration: none;
    transition: color 0.2s;
}

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

.error-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--accent-glow);
    border: 1px solid var(--accent);
    border-radius: 50px;
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.error-badge:hover {
    background: var(--accent);
    color: #fff;
}

.error-badge .copy-icon {
    font-size: 0.75rem;
}

h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #c8c8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.summary {
    font-size: 1.05rem;
    color: var(--text-dim);
    line-height: 1.8;
}

.content {
    padding: 2rem 0 3rem;
    position: relative;
    z-index: 1;
}

/* Layout Grid */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }

    .sidebar-column {
        display: none;
    }
}



/* Ad slot */
.ad-slot {
    background: var(--card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

.section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s;
}

.section:hover {
    border-color: rgba(108, 92, 231, 0.3);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    color: #fff;
}

.section-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1rem;
}

.icon-explain {
    background: rgba(108, 92, 231, 0.15);
    color: var(--accent);
}

.icon-cause {
    background: rgba(225, 112, 85, 0.15);
    color: var(--danger);
}

.icon-solution {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.icon-prevent {
    background: rgba(0, 206, 201, 0.15);
    color: var(--accent2);
}

.explanation p {
    margin-bottom: 1rem;
    color: var(--text);
}

.causes-list {
    list-style: none;
    padding: 0;
}

.causes-list li {
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    background: rgba(225, 112, 85, 0.06);
    border-left: 3px solid var(--danger);
    border-radius: 0 8px 8px 0;
    color: var(--text);
}

.solution-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.2rem;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    transition: background 0.2s;
}

.solution-header:hover {
    background: var(--card-hover);
}

.solution-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.solution-toggle {
    margin-left: auto;
    transition: transform 0.3s;
    color: var(--text-dim);
}

.solution-body {
    padding: 0 1.2rem 1.2rem;
}

.steps-list {
    list-style: none;
    padding: 0;
    counter-reset: step;
}

.steps-list li {
    counter-increment: step;
    padding: 0.6rem 0 0.6rem 2.2rem;
    position: relative;
    color: var(--text);
    border-bottom: 1px solid rgba(45, 49, 66, 0.5);
}

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

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 184, 148, 0.12);
    color: var(--success);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    top: 0.7rem;
}

.prevention-list {
    list-style: none;
    padding: 0;
}

.prevention-list li {
    padding: 0.6rem 0 0.6rem 1.8rem;
    position: relative;
    color: var(--text);
}

.prevention-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent2);
    font-weight: bold;
}

.related-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1rem;
}

.related-link {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--accent2);
    text-decoration: none;
    font-family: var(--mono);
    font-size: 0.85rem;
    transition: all 0.2s;
}

.related-link:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
}

.quick-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.quick-info-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

/* Table of Contents */
.toc {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.5rem;
}

.toc-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.6rem;
}

.toc a {
    display: block;
    padding: 0.25rem 0;
    color: var(--accent2);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s;
}

.toc a:hover {
    color: var(--accent);
}

/* Page Actions */
.page-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
}

.helpful-btn {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.5rem 1.2rem;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.helpful-btn:hover {
    border-color: var(--success);
    color: var(--success);
}

.helpful-btn.active {
    border-color: var(--success);
    color: var(--success);
    background: rgba(0, 184, 148, 0.1);
}

/* Trust Box */
.trust-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(108, 92, 231, 0.05);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: var(--radius);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.trust-avatar {
    width: 50px;
    height: 50px;
    background: var(--card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid var(--accent);
}

.trust-name {
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
}

.trust-role {
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.trust-desc {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* Sidebar */
.sidebar-column {
    position: sticky;
    top: 2rem;
}

.sticky-ad {
    margin-bottom: 2rem;
}

.ad-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    text-align: center;
}

.widget {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.widget-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.widget-list a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s, padding-left 0.2s;
    display: block;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.widget-list a:hover {
    color: var(--accent2);
    padding-left: 5px;
}

/* Exit Popup */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.popup-content {
    background: #1a1d27;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: popup-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popup-in {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
}

.popup-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.popup-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.popup-content>p {
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.popup-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.popup-btn {
    padding: 1rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.popup-btn.primary {
    background: var(--success);
    color: #fff;
    font-size: 1.1rem;
}

.popup-btn.secondary {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.popup-btn:hover {
    transform: translateY(-2px);
}

footer {
    text-align: center;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

footer a {
    color: var(--accent2);
    text-decoration: none;
}

footer a:hover {
    color: var(--accent);
}

@media (max-width: 640px) {
    .hero {
        padding: 2rem 1rem 1.8rem;
    }

    .section {
        padding: 1.3rem;
    }

    .quick-info {
        gap: 0.5rem;
    }

    .system-alert {
        flex-direction: column;
        text-align: center;
    }

    .share-bar {
        justify-content: center;
    }
}

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    z-index: 10000;
    transition: width 0.1s linear;
}

/* Social Share Bar */
.share-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text-dim);
    font-size: 0.8rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.share-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.share-btn.twitter:hover {
    border-color: #1DA1F2;
    color: #1DA1F2;
}

.share-btn.linkedin:hover {
    border-color: #0A66C2;
    color: #0A66C2;
}

.share-btn.reddit:hover {
    border-color: #FF4500;
    color: #FF4500;
}

.share-btn.copy-link.copied {
    border-color: var(--success);
    color: var(--success);
}

/* Urgency Banner */
.urgency-strip {
    background: linear-gradient(90deg, #e17055 0%, #d63031 100%);
    color: #fff;
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.urgency-strip span {
    animation: blink 1.5s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 100;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.5);
}

/* Print Stylesheet */
@media print {

    .system-alert,
    .sidebar-column,
    .popup-overlay,
    .share-bar,
    .page-actions,
    .trust-box,
    .reading-progress,
    .back-to-top,
    .urgency-strip,
    .ad-slot,
    .sticky-ad,
    footer,
    .toc {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .hero {
        background: none;
        border-bottom: 2px solid #000;
        padding: 1rem 0;
    }

    h1,
    h2,
    .section-title {
        color: #000;
        -webkit-text-fill-color: #000;
        background: none;
    }

    .section {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

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

    a {
        color: #000;
        text-decoration: underline;
    }

    .related-link {
        border: 1px solid #999;
    }
}

/* Scanner Modal & Panic Monetization */
.scanner-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.scanner-modal.active {
    opacity: 1;
    pointer-events: all;
}

.scanner-content {
    background: var(--card);
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(108, 92, 231, 0.3);
    text-align: center;
}

.terminal-window {
    background: #000;
    border-radius: 8px;
    border: 1px solid #333;
    text-align: left;
    padding: 1rem;
    margin: 1.5rem 0;
    height: 180px;
    overflow: hidden;
    font-family: var(--mono);
    font-size: 0.85rem;
    color: #0f0;
    position: relative;
}

.terminal-window::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.2) 50%);
    background-size: 100% 4px;
    pointer-events: none;
}

.terminal-lines {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #333;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: var(--accent);
    transition: width 0.2s;
}


/* Live Social Proof Toast */
.social-toast {
    position: fixed;
    bottom: 20px;
    left: -350px;
    background: rgba(20, 20, 25, 0.95);
    border: 1px solid var(--border);
    border-left: 4px solid var(--success);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    transition: left 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 300px;
    backdrop-filter: blur(5px);
}

.social-toast.show {
    left: 20px;
}

.social-icon {
    font-size: 1.5rem;
    background: rgba(0, 184, 148, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.social-text {
    font-size: 0.8rem;
    line-height: 1.4;
}

.social-text strong {
    color: #fff;
}

.social-time {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 2px;
}

@media (max-width: 768px) {
    .social-toast {
        display: none;
        /* Hide on very small screens to avoid clutter */
    }
}



/* Extracted DLL and V2 Styles */
.dll-archive-box {
    background: rgba(0, 184, 148, 0.05);
    border: 1px dashed var(--success);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.dll-archive-box h4 {
    color: var(--success);
    margin-bottom: 0px;
}

.dll-archive-box .highlight {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

@media(max-width:768px) {
    .dll-archive-box {
        flex-direction: column;
        align-items: flex-start;
    }
}

.software-context-box {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--accent);
    padding: 1.2rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-bottom: 2rem;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
}

.fix-rate-badge {
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.75rem;
    margin-right: 15px;
    color: var(--success);
    overflow: hidden;
    min-width: 110px;
    text-align: center;
    display: inline-block;
}

.fix-rate-bar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background: rgba(0, 184, 148, 0.2);
    z-index: 0;
}

.fix-rate-text {
    position: relative;
    z-index: 1;
}

@media(max-width:768px) {
    .fix-rate-badge {
        display: none;
    }
}

.related-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    background: var(--card-hover);
}

/* Lang Switcher */
.lang-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000
}

.lang-btn {
    padding: 8px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all .3s
}

.lang-btn:hover {
    border-color: var(--accent)
}

.lang-dropdown {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    min-width: 160px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .5);
    max-height: 300px;
    overflow-y: auto
}

.lang-dropdown.open {
    display: block
}

.lang-option {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    border-radius: 6px;
    text-align: left
}

.lang-option:hover {
    background: var(--card-hover)
}

.lang-option.active {
    background: var(--accent);
    color: white
}

/* Sticky Mobile CTA */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    padding: 12px 20px;
    text-align: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, .3)
}

.mobile-cta-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px
}

@media(max-width:768px) {
    .mobile-sticky-cta {
        display: block
    }

    .lang-switcher {
        bottom: 70px
    }

    body {
        padding-bottom: 56px
    }
}

/* --- INDEX PAGE & RECONSTRUCTED CSS --- */
.hero-index {
    background: linear-gradient(135deg, #1a1d27 0%, #2d1b69 50%, #1a1d27 100%);
    padding: 3rem 1.5rem 2.5rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: visible;
    text-align: center;
    z-index: 100;
}

.hero-index .subtitle {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.stat {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: var(--radius);
    min-width: 150px;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent2);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    z-index: 9001;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
    font-size: 1.2rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 1.2rem 1.2rem 1.2rem 3rem;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    font-size: 1.1rem;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-count {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.cta-banner {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 206, 201, 0.1));
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    justify-content: space-between;
}

.cta-icon {
    font-size: 3rem;
}

.cta-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.cta-desc {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.cta-btn {
    padding: 1rem 2rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    white-space: nowrap;
    transition: transform 0.2s, background 0.2s;
}

.cta-btn:hover {
    transform: translateY(-2px);
    background: #5a4bcf;
}

@media (max-width: 768px) {
    .cta-banner {
        flex-direction: column;
        text-align: center;
    }
}

.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.category-btn {
    padding: 0.6rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.category-btn:hover {
    border-color: var(--accent);
}

.category-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.error-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: transform 0.2s, border-color 0.2s;
}

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

.error-code {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent2);
    min-width: 80px;
    text-align: center;
}

.error-info {
    display: flex;
    flex-direction: column;
}

.error-name {
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.error-desc {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.category-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.category-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    text-decoration: none;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.category-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

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

.cat-name {
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cat-desc {
    color: var(--text-dim);
    font-size: 0.8rem;
}

.no-results {
    display: none;
    text-align: center;
    padding: 3rem;
    background: var(--card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
}

/* ===== Smart Search Dropdown ===== */
.search-dropdown {
    position: fixed;
    background: rgba(26, 29, 39, 0.98);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    max-height: 420px;
    overflow-y: auto;
    z-index: 99999;
    display: none;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(108, 92, 231, 0.15);
    backdrop-filter: blur(16px);
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.search-dropdown.open {
    display: block;
    animation: dropIn .2s ease-out;
}

@keyframes dropIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-dropdown::-webkit-scrollbar {
    width: 6px;
}

.search-dropdown::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.sd-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.2rem;
    text-decoration: none;
    color: var(--text);
    border-bottom: 1px solid rgba(45, 49, 66, 0.4);
    transition: background .15s, padding-left .15s;
    cursor: pointer;
}

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

.sd-item:hover,
.sd-item.active {
    background: rgba(108, 92, 231, 0.12);
    padding-left: 1.5rem;
}

.sd-item .sd-code {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--accent2);
    background: rgba(0, 206, 201, 0.08);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    min-width: 70px;
    text-align: center;
    flex-shrink: 0;
    font-weight: 600;
}

.sd-item .sd-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sd-item .sd-symbol {
    font-weight: 600;
    color: #fff;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-item .sd-desc {
    font-size: 0.78rem;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-item mark {
    background: rgba(108, 92, 231, 0.35);
    color: #fff;
    border-radius: 2px;
    padding: 0 2px;
}

.sd-header {
    padding: 0.55rem 1.2rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--accent);
    font-weight: 700;
    border-bottom: 1px solid rgba(45, 49, 66, 0.4);
    background: rgba(108, 92, 231, 0.05);
    position: sticky;
    top: 0;
    z-index: 1;
}

.sd-empty {
    padding: 2rem 1.2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.sd-empty span {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.sd-tip {
    padding: 0.6rem 1.2rem;
    font-size: 0.72rem;
    color: var(--text-dim);
    text-align: center;
    border-top: 1px solid rgba(45, 49, 66, 0.4);
    background: rgba(0, 0, 0, 0.15);
    position: sticky;
    bottom: 0;
}

.sd-tip kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 0.7rem;
    font-family: var(--mono);
}

@media (max-width: 640px) {
    .search-dropdown {
        max-height: 320px;
        border-radius: 10px;
    }

    .sd-item {
        padding: 0.7rem 0.9rem;
        gap: 0.7rem;
    }

    .sd-item .sd-code {
        min-width: 55px;
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }
}

/* ===== Category Page Styles ===== */
.hero-category {
    background: linear-gradient(135deg, #1a1d27 0%, #2d1b69 50%, #1a1d27 100%);
    padding: 2rem 1.5rem 2.5rem;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.hero-category h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-category .subtitle {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-category .breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.hero-category .breadcrumb a {
    color: var(--accent2);
    text-decoration: none;
}

.hero-category .breadcrumb a:hover {
    text-decoration: underline;
}

.hero-category .breadcrumb span {
    color: var(--text-dim);
    margin: 0 0.3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius);
    min-width: 130px;
    text-align: center;
}

.hero-stat .num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent2);
    margin-bottom: 0.3rem;
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-category .search-box {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.hero-category .search-box .icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    pointer-events: none;
}

.hero-category .search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 2.8rem;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.hero-category .search-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Category page error cards (different from index .error-item) */
.error-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.error-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.error-card .code {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent2);
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.error-card .name {
    font-weight: 600;
    color: #fff;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.error-card .desc {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* Other Categories links in category page */
.other-categories {
    margin-top: 3rem;
}

.other-categories h2 {
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
}

.cat-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.8rem;
}

.cat-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    transition: transform 0.2s, border-color 0.2s;
}

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

.cat-link.current {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.1);
}

.cat-link .cat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.cat-link .cat-name {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

.newsletter {
    margin-top: 2.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
}

.newsletter h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.newsletter p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.newsletter-form input {
    padding: 0.7rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: 50px;
    font-family: inherit;
    font-size: 0.9rem;
    width: 250px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.newsletter-form button {
    padding: 0.7rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.newsletter-form button:hover {
    background: #5a4bcf;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .hero-category h1 {
        font-size: 1.4rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .hero-stat {
        min-width: 100px;
        padding: 0.8rem 1rem;
    }

    .hero-stat .num {
        font-size: 1.4rem;
    }

    .cat-links {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

/* ============================================================
   Language Selector
   ============================================================ */
.lang-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    z-index: 100;
}

.lang-selector .lang-current {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 8px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
}

.lang-selector .lang-current:hover {
    background: rgba(108, 92, 231, 0.25);
    border-color: var(--accent);
}

.lang-dropdown {
    display: none;
    position: fixed;
    margin-top: 0.3rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    min-width: 160px;
    z-index: 99999;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.lang-dropdown.open {
    display: block;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.7rem 1rem;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.lang-btn:hover {
    background: rgba(108, 92, 231, 0.15);
    color: #fff;
}

.lang-btn.active {
    background: rgba(108, 92, 231, 0.2);
    color: var(--accent);
    font-weight: 700;
}

.lang-btn .lang-flag {
    font-size: 1.2rem;
}

.lang-btn .lang-check {
    margin-left: auto;
    opacity: 0;
}

.lang-btn.active .lang-check {
    opacity: 1;
    color: var(--accent2);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    margin: 2rem 0;
    text-align: center;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.pagination-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 0.6rem;
    border-radius: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.page-link:hover:not(.active):not(.disabled) {
    background: rgba(108, 92, 231, 0.2);
    border-color: var(--accent);
    color: #fff;
}

.page-link.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    cursor: default;
}

.page-link.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

.page-link.page-prev,
.page-link.page-next {
    padding: 0 1rem;
    font-weight: 700;
}

.page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 38px;
    color: var(--text-dim);
    font-size: 1rem;
}

@media (max-width: 600px) {
    .page-link {
        min-width: 34px;
        height: 34px;
        font-size: 0.8rem;
        padding: 0 0.4rem;
    }

    .page-link.page-prev,
    .page-link.page-next {
        padding: 0 0.7rem;
    }
}

/* ============================================================
   Advanced Solutions Accordion
   ============================================================ */
details.advanced-solutions-accordion>summary {
    list-style: none;
    /* WebKit */
}

details.advanced-solutions-accordion>summary::-webkit-details-marker {
    display: none;
    /* Chrome */
}

details.advanced-solutions-accordion>summary svg {
    transition: transform 0.3s ease;
}

details.advanced-solutions-accordion[open]>summary svg {
    transform: rotate(180deg);
}

details.advanced-solutions-accordion {
    transition: all 0.3s ease;
}

details.advanced-solutions-accordion[open]>summary {
    border-bottom: 1px solid var(--border);
    background: linear-gradient(90deg, rgba(108, 92, 231, 0.2), transparent) !important;
}