:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #4338CA;
    --secondary: #0F172A;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-soft: #F1F5F9;
    --text: #475569;
    --text-light: #64748B;
    --text-muted: #94A3B8;
    --heading: #0F172A;
    --border: #E2E8F0;
    --success: #10B981;
    --success-light: #D1FAE5;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #8B5CF6 100%);
    --section-bg-color: #F8FAFC;
    --text-color: #475569;
    --heading-color: #0F172A;
    --primary-color: #4F46E5;
    --border-color: #E2E8F0;
    --light-text-color: #FFFFFF;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--heading);
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 24px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 4px;
}

.logo .logo-cn {
    color: var(--text-light);
    margin-left: 0.375rem;
    font-size: 1rem;
}

html[lang="en"] .logo-cn { display: none; }
html[lang="zh"] .logo-en { display: none; }
html[lang="zh"] .logo-cn { margin-left: 0; color: var(--heading); }

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary);
}

#lang-switcher {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 0.4rem 0.875rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    color: var(--heading);
}

#lang-switcher:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Hero */
.hero {
    text-align: center;
    padding: 5rem 2rem 6rem;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 70, 229, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 2s; }
.particle:nth-child(3) { left: 70%; top: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 80%; top: 70%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; top: 80%; animation-delay: 8s; }

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.5); opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--heading);
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--heading) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.35rem;
    color: var(--text);
    margin-bottom: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

.hero-slogans {
    margin-bottom: 2rem;
}

.hero-slogan,
.hero-slogan-cn {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.02em;
}

html[lang="en"] .hero-slogan-cn { display: none; }
html[lang="zh"] .hero-slogan { display: none; }

.hero-cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.cta-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.cta-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.cta-secondary {
    background: white;
    color: var(--heading);
    border: 1px solid var(--border);
}

.cta-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 1.25rem 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: 500px;
    margin: 0 auto;
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.hero-stats .stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-stats .stat-divider {
    width: 1px;
    height: 30px;
    background: var(--border);
}

/* Sections */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

section.alt-bg {
    background: var(--bg-alt);
    max-width: none;
    position: relative;
}

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

section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--heading);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.05rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background: var(--accent-gradient);
    color: white;
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Advantage Grid */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

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

.advantage-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.15;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.advantage-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 0.5rem;
}

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

/* Comparison Grid */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.comparison-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    transition: all 0.2s ease;
}

.comparison-item:hover {
    box-shadow: var(--card-shadow);
}

.comparison-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.comparison-vs {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.vs-bad {
    font-size: 0.8rem;
    color: var(--danger);
    background: #FEF2F2;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.vs-good {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--success);
    background: #ECFDF5;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* New Comparison Table */
.comparison-table-wrapper {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border);
    max-width: 900px;
    margin: 0 auto;
}

.comparison-header {
    display: flex;
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    color: white;
    padding: 1.25rem 0;
}

.comparison-row {
    display: flex;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
}

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

.comparison-row:hover {
    background: #F8FAFC;
}

.comparison-col {
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.comparison-col-label {
    flex: 1.2;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--heading);
    font-size: 0.95rem;
}

.row-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.comparison-col-trad,
.comparison-col-vantagics {
    flex: 1;
    text-align: center;
    align-items: center;
}

.comparison-col-trad {
    background: #FEF2F2;
}

.comparison-col-vantagics {
    background: #ECFDF5;
}

.comparison-header .comparison-col-trad {
    background: rgba(239, 68, 68, 0.2);
}

.comparison-header .comparison-col-vantagics {
    background: rgba(16, 185, 129, 0.2);
}

.comparison-header .comparison-col {
    flex: 1;
    font-weight: 600;
    font-size: 0.95rem;
}

.comparison-header .comparison-col-label {
    padding-left: 1.5rem;
}

.col-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.25rem;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
}

.tag-bad {
    background: rgba(239, 68, 68, 0.15);
    color: #DC2626;
}

.tag-good {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.comparison-desc {
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.4;
}

.comparison-row:hover .comparison-col-trad {
    background: #FEE2E2;
}

.comparison-row:hover .comparison-col-vantagics {
    background: #D1FAE5;
}

/* Use Cases Grid */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.use-case-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.use-case-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.use-case-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
}

.use-case-item:hover::after {
    width: 60%;
}

.use-case-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.use-case-item:hover .use-case-icon {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1);
}

.use-case-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 0.375rem;
}

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

.use-case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.75rem;
}

.tag-small {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    border-radius: 4px;
    font-weight: 500;
}

/* Quick Start Grid */
.quick-start-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.quick-start-connector {
    position: relative;
    height: 20px;
    margin-bottom: 3rem;
    display: none;
}

.quick-start-connector svg {
    width: 100%;
    height: 100%;
}

.quick-start-item {
    text-align: center;
    padding: 2rem 1rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.quick-start-item:hover {
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
}

.quick-start-icon {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 48px;
    background: white;
    border: 2px solid var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    z-index: 2;
    transition: all 0.3s ease;
}

.quick-start-item:hover .quick-start-icon {
    background: var(--primary);
    color: white;
    transform: translateX(-50%) scale(1.1);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.quick-start-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 0.375rem;
}

.quick-start-item p {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Download Section */
.download-section {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 2rem;
    border: 1px solid rgba(79, 70, 229, 0.1);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 0.75rem;
}

.download-section p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.download-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.download-button svg {
    width: 20px;
    height: 20px;
}

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    text-align: center;
    padding: 3rem 2rem;
    margin-top: 2rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-logo::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary-light) 0%, white 100%);
    border-radius: 3px;
}

.footer-logo .logo-cn {
    color: rgba(255,255,255,0.6);
    margin-left: 0.375rem;
    font-size: 1rem;
}

.footer-slogan,
.footer-slogan-cn {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.75rem;
}

html[lang="en"] .footer-slogan-cn { display: none; }
html[lang="zh"] .footer-slogan { display: none; }
html[lang="zh"] .footer-logo .logo-en { display: none; }
html[lang="zh"] .footer-logo .logo-cn { color: white; margin-left: 0; }

.footer-copyright {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

.footer-contact {
    margin: 1rem 0;
}

.footer-contact a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-contact a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 1024px) {
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .comparison-grid { grid-template-columns: repeat(2, 1fr); }
    .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-start-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    .hero h1 {
        font-size: 2.25rem;
    }
    .hero-tagline {
        font-size: 1rem;
    }
    section {
        padding: 3rem 1rem;
    }
    section h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    .feature-grid,
    .advantage-grid,
    .comparison-grid,
    .use-cases-grid,
    .quick-start-grid {
        grid-template-columns: 1fr;
    }
    .download-section {
        padding: 2rem 1.5rem;
    }
    .download-button {
        padding: 0.875rem 1.5rem;
    }
    .marketplace-grid {
        flex-direction: column;
    }
    .vs-card {
        display: none;
    }
    .marketplace-stats {
        flex-direction: column;
        gap: 1rem;
    }
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    .comparison-table-wrapper {
        font-size: 0.85rem;
    }
    .comparison-col-label {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .row-icon {
        display: none;
    }
    .comparison-desc {
        display: none;
    }
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Marketplace Section */
.marketplace-section {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    position: relative;
    overflow: hidden;
}

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

.marketplace-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.marketplace-section h2 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.marketplace-slogan {
    text-align: center;
    font-size: 1.15rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 2.5rem;
}

.marketplace-grid {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 2.5rem;
}

.marketplace-card {
    flex: 1;
    background: white;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.expert-card {
    border-color: rgba(79, 70, 229, 0.2);
}

.expert-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.15);
    transform: translateY(-4px);
}

.novice-card {
    border-color: rgba(16, 185, 129, 0.2);
}

.novice-card:hover {
    border-color: var(--success);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.15);
    transform: translateY(-4px);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.expert-card .card-icon {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary);
}

.novice-card .card-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: var(--success);
}

.marketplace-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 0.75rem;
}

.marketplace-card > p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.expert-features,
.novice-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.25rem;
}

.expert-features li,
.novice-features li {
    font-size: 0.85rem;
    color: var(--text);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.expert-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.novice-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

.expert-benefit,
.novice-benefit {
    background: var(--bg-alt);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.benefit-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.benefit-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--heading);
}

.expert-benefit .benefit-value {
    color: var(--primary);
}

.novice-benefit .benefit-value {
    color: var(--success);
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    margin-top: 0.75rem;
}

.vs-card {
    flex: 0;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
}

.vs-divider {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.marketplace-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.marketplace-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-gradient);
    color: white;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.marketplace-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-content {
    animation: fadeInUp 0.6s ease-out;
}

.feature-item,
.advantage-item,
.use-case-item,
.quick-start-item {
    animation: fadeInUp 0.5s ease-out backwards;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.15s; }
.feature-item:nth-child(3) { animation-delay: 0.2s; }
.feature-item:nth-child(4) { animation-delay: 0.25s; }
.feature-item:nth-child(5) { animation-delay: 0.3s; }
.feature-item:nth-child(6) { animation-delay: 0.35s; }

.advantage-item:nth-child(1) { animation-delay: 0.1s; }
.advantage-item:nth-child(2) { animation-delay: 0.15s; }
.advantage-item:nth-child(3) { animation-delay: 0.2s; }
.advantage-item:nth-child(4) { animation-delay: 0.25s; }

.quick-start-item:nth-child(1) { animation-delay: 0.1s; }
.quick-start-item:nth-child(2) { animation-delay: 0.2s; }
.quick-start-item:nth-child(3) { animation-delay: 0.3s; }
.quick-start-item:nth-child(4) { animation-delay: 0.4s; }