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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --bg-main: #0f172a;
    --bg-white: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --border-light: #1e293b;
    --gradient-1: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.95) 50%, rgba(15, 23, 42, 0.98) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 2px 20px rgba(59, 130, 246, 0.15), inset 0 0 40px rgba(59, 130, 246, 0.03);
    overflow: hidden;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 160px 20px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1.5px 1.5px at 200px 50px, rgba(59, 130, 246, 0.8), transparent),
        radial-gradient(1px 1px at 250px 90px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 300px 30px, rgba(255, 255, 255, 0.6), transparent);
    background-repeat: repeat;
    background-size: 350px 120px;
    pointer-events: none;
    opacity: 0.6;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary);
}

.navbar-scrolled .nav-links a.active::after {
    width: 100%;
}

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

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

.cta-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cta {
    display: none;
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.nav-cta:hover {
    background: var(--primary);
    color: white;
}

.cta-btn.primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.cta-btn.secondary:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 4rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: transparent;
}

.scroll-indicator {
    display: none;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 13px;
    position: relative;
    opacity: 0.8;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-indicator:hover {
    opacity: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 500px;
}

.central-orb {
    width: 200px;
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb-inner {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5),
                0 0 100px rgba(6, 182, 212, 0.3);
    animation: orbPulse 3s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 60px rgba(99, 102, 241, 0.5),
                    0 0 100px rgba(6, 182, 212, 0.3);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 80px rgba(99, 102, 241, 0.6),
                    0 0 120px rgba(6, 182, 212, 0.4);
    }
}

.orb-ring {
    position: absolute;
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    animation: ringRotate 10s linear infinite;
}

.ring-1 {
    width: 150px;
    height: 150px;
    border-top-color: var(--primary);
}

.ring-2 {
    width: 200px;
    height: 200px;
    border-right-color: var(--accent);
    animation-direction: reverse;
    animation-duration: 15s;
}

.ring-3 {
    width: 250px;
    height: 250px;
    border-bottom-color: var(--primary-light);
    animation-duration: 20s;
}

@keyframes ringRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    color: var(--text-primary);
}

.card-icon {
    font-size: 1.25rem;
}

.card-1 {
    animation: orbit 120s linear infinite;
}

.card-2 {
    animation: orbit 120s linear infinite;
    animation-delay: -17.1s;
}

.card-3 {
    animation: orbit 120s linear infinite;
    animation-delay: -34.3s;
}

.card-4 {
    animation: orbit 120s linear infinite;
    animation-delay: -51.4s;
}

.card-5 {
    animation: orbit 120s linear infinite;
    animation-delay: -68.6s;
}

.card-6 {
    animation: orbit 120s linear infinite;
    animation-delay: -85.7s;
}

.card-7 {
    animation: orbit 120s linear infinite;
    animation-delay: -102.9s;
}

@keyframes orbit {
    0% {
        transform: rotate(0deg) translateX(190px) rotate(0deg);
    }
    100% {
        transform: rotate(360deg) translateX(190px) rotate(-360deg);
    }
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: all 0.5s ease;
}

.section-title.active {
    animation: titleHighlight 0.8s ease;
}

@keyframes titleHighlight {
    0% {
        transform: scale(1);
        text-shadow: none;
    }
    50% {
        transform: scale(1.05);
        text-shadow: 0 0 20px var(--primary), 0 0 40px var(--primary);
    }
    100% {
        transform: scale(1);
        text-shadow: none;
    }
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.features {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: var(--bg-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

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

.feature-card.featured {
    grid-column: span 1;
    grid-row: span 1;
}

.feature-card.featured:hover {
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.platform-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.platform-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary-light);
}

.feature-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.workflow {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.workflow-container {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.workflow-line {
    display: none;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
    width: 280px;
    flex-shrink: 0;
}

.workflow-step:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.workflow-step::after {
    content: '→';
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0.5;
}

.workflow-step:last-child::after {
    display: none;
}

@media (max-width: 1024px) {
    .workflow-step {
        width: 280px;
    }
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
}

.step-content {
    flex: 1;
    width: 100%;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
}

.step-visual {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.step-icon-box {
    display: none;
}

.mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mini-icon {
    font-size: 1.25rem;
}

.mini-text {
    color: var(--text-muted);
}

.ai-processing {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.process-ring {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.publish-icons {
    display: flex;
    gap: 1rem;
}

.pub-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.pub-icon:nth-child(2) {
    animation-delay: 0.5s;
}

.pub-icon:nth-child(3) {
    animation-delay: 1s;
}

.pricing {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pricing-grid-two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-grid-three {
    grid-template-columns: repeat(3, 1fr);
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 0.9rem;
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.check {
    color: var(--accent);
    font-weight: bold;
}

.cross {
    color: var(--text-muted);
}

.hardware-req {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
    font-size: 0.85rem !important;
}

.warning {
    color: #f59e0b;
    font-weight: bold;
}

.pricing-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
}

.pricing-btn:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.pricing-btn.primary {
    background: var(--primary);
    border: none;
    color: white;
}

.pricing-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.product {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: var(--bg-main);
}

.product-image {
    margin-top: 3rem;
    text-align: center;
}

.product-image img {
    max-width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.product-cta {
    text-align: center;
    margin-top: 2rem;
}

.product-cta .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.agent {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: var(--bg-main);
}

.agent-content {
    margin-top: 3rem;
}

.agent-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.agent-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.agent-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.agent-card:hover::before {
    transform: scaleX(1);
}

.agent-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
}

.agent-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.agent-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: nowrap;
}

.agent-cta {
    text-align: center;
    margin-top: 3rem;
}

.contact {
    padding: 6rem 4rem;
    position: relative;
    z-index: 1;
    background: var(--bg-card);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.email-input:focus {
    border-color: var(--primary);
}

.email-input::placeholder {
    color: var(--text-muted);
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.info-icon {
    font-size: 1.25rem;
}

.contact-wechat {
    margin-top: 2.5rem;
    text-align: center;
}

.wechat-qr {
    width: 180px;
    height: 180px;
    border-radius: 12px;
    border: 2px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.wechat-qr:hover {
    transform: scale(1.05);
}

.wechat-tip {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 4rem 4rem 2rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 6rem;
}

.link-group h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-icp {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--primary-light);
}

.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.video-modal.show {
    display: flex;
}

.video-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.video-modal-content video {
    max-width: 100%;
    max-height: 85vh;
    width: 900px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.video-close:hover {
    color: var(--primary);
}

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 8rem 2rem 4rem;
    }

    .hero-content {
        max-width: 100%;
    }

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

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

    .hero-visual {
        min-height: 400px;
        margin-top: 3rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-grid-two {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .workflow-step {
        flex-direction: column;
        text-align: center;
        width: 100%;
    }

    .workflow-line {
        display: none;
    }

    .workflow-step::after {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .pricing-grid,
    .pricing-grid-two {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .features, .workflow, .pricing, .contact, .agent, .product {
        padding: 4rem 1.5rem;
    }

    .agent-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .contact-form {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }

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

    .product-image img {
        border-radius: 8px;
    }
}