:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary: #6366f1;
    --secondary-light: #818cf8;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-tech: #0c1222;
    --bg-tech-light: #1a2332;
    --bg-gradient-1: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
    --bg-gradient-2: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    --bg-gradient-3: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    --bg-gradient-4: linear-gradient(135deg, #d1fae5 0%, #a78bfa 100%);
    
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    /* max-width: 1280px; */
    max-width: 80%;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, #0ea5e9 100%);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(14, 165, 233, 0.05) 50%, transparent 100%);
    transition: left 0.5s ease;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: #0ea5e9;
    color: #0ea5e9;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand .brand-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0ea5e9;
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-brand .brand-link:hover {
    color: var(--primary-dark);
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #475569;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #0ea5e9;
}

.nav-dropdown {
    position: relative;
    color: #475569;
    cursor: pointer;
}

.nav-dropdown .dropdown-toggle {
    padding-right: 0.5rem;
}

.nav-dropdown .dropdown-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    margin-left: 3px;
    transform: rotate(90deg);
}
.nav-dropdown .dropdown-icon svg{
    color: var(--Form-select-caret-iconColor);
    width: 10px;
    height: 10px;
    top: 0;
}
.nav-dropdown:hover,
.nav-dropdown.active{
    color: #0ea5e9;
}
.nav-dropdown:hover .dropdown-icon,
.nav-dropdown.active .dropdown-icon {
    transform: rotate(270deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
    padding: 0.5rem 0;
}

@media (min-width: 1024px) {
    .nav-dropdown:hover .dropdown-menu,
    .dropdown-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
}


@media (max-width: 1024px) {
    /* .nav-dropdown:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        pointer-events: none;
    } */
    
    .dropdown-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
    
    /* .nav-dropdown.active .dropdown-icon {
        transform: rotate(270deg);
    } */
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: #475569;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.dropdown-item:hover {
    color: #0ea5e9;
    background: var(--bg-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0ea5e9;
    transition: all 0.3s ease;
}

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

.navbar-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.navbar-menu .mobile-actions {
    display: none;
}

.mobile-menu-btn {
    display: none;
}

@media (max-width: 1024px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        gap: 0;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-menu .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--border-light);
    }
    
    .navbar-menu .nav-link:last-child {
        border-bottom: none;
    }

    .navbar-menu .nav-dropdown{
        padding: 1rem;
    }

    .navbar-menu .nav-dropdown .nav-link{
        border-bottom: none;
    }
    
    .navbar-menu .mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem 0 0 0;
        border-top: 1px solid var(--border-light);
        margin-top: 0.5rem;
    }
    
    .navbar-menu .mobile-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .navbar-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #0c1222 0%, #1a2332 50%, #0ea5e9 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    opacity: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: #38bdf8;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    position: relative;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: justify;
    text-align-last: center;
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
    border-color: #0ea5e9;
}

.hero-card .card-icon svg {
    width: 48px;
    height: 48px;
    color: var(--primary-light);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.hero-card:hover .card-icon svg {
    color: white;
    transform: scale(1.1);
}

.hero-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.75rem;
}

.hero-card .card-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.hero-card .card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.hero-card .card-features span {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-fast);
}

.hero-card:hover .card-features span {
    background: rgba(14, 165, 233, 0.2);
    border-color: #0ea5e9;
    color: white;
}
.ai-assistant {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ai-assistant:hover {
    transform: translateY(-4px);
}

.ai-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.ai-avatar svg {
    width: 28px;
    height: 28px;
    color: white;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 3rem;
    }
    
    .ai-assistant {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-visual {
        grid-template-columns: 1fr;
    }
    
    .ai-assistant {
        position: fixed;
        bottom: 2rem;
        right: 0.5rem;
    }
    .ai-status{
        display: none;
    }
}

.video-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f0f9ff 0%, #f3f5fc 100%);
    position: relative;
    overflow: hidden;
}

.video-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
    z-index: 1;
}

.video-section::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    letter-spacing: -0.02em;
}

.section-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -20px;
    right: -20px;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, #0ea5e9 50%, transparent 100%);
    opacity: 0.5;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #0ea5e9;
    border-radius: 2px;
}

.section-subtitle {
    /* font-size: 1.05rem; */
    text-align: center;
    color: #475569;
    margin-bottom: 3.5rem;
    max-width: 65%;
    margin-left: auto;
    margin-right: auto;
    /* line-height: 1.8; */
    font-weight: 400;
    /* background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(14, 165, 233, 0.1); */
}

.video-container {
    max-width: 80%;
    margin: 0 auto 3rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.video-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    z-index: -1;
    opacity: 0.1;
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-placeholder:hover {
    background: linear-gradient(135deg, #334155 0%, #475569 100%);
}

.video-placeholder .video-icon svg {
    width: 64px;
    height: 64px;
    color: white;
    margin-bottom: 1rem;
}

.video-placeholder p {
    font-size: 1.125rem;
    opacity: 0.9;
}

.video-highlights {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    max-width: 80%;
    margin: 3rem auto;
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.video-highlights p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    margin: 0;
}

.doc-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-left: 0.5rem;
    transition: var(--transition);
}

.doc-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
    /* transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #0ea5e9;
    background: rgba(255, 255, 255, 0.95);
} */

.highlight-item .highlight-icon svg {
    width: 40px;
    height: 40px;
    color: #0ea5e9;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.highlight-item:hover .highlight-icon svg {
    color: var(--secondary);
    transform: scale(1.1);
}

.highlight-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.highlight-item p {
    color: #475569;
    font-size: 0.9375rem;
}
@media (max-width: 1024px) {
    .video-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .video-highlights {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

.features {
    padding: 6rem 0;
    background: linear-gradient(180deg, #e0f2fe 0%, #e0faec 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
    z-index: 1;
}

.features::after {
    content: '';
    position: absolute;
    top: 20%;
    left: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    /* max-width: 1200px; */
    max-width: 80%;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #0ea5e9;
    background: rgba(255, 255, 255, 1);
}

.feature-card .feature-icon svg {
    width: 48px;
    height: 48px;
    color: #0ea5e9;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon svg {
    color: var(--secondary);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: #475569;
    line-height: 1.8;
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin: 0;
    }
}

.advantages {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
    z-index: 1;
}

.advantages::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -80px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.advantage-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 1px solid var(--border);
}

.advantage-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #0ea5e9;
}

.advantage-item .advantage-icon svg {
    width: 48px;
    height: 48px;
    color: #0ea5e9;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon svg {
    color: var(--secondary);
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.advantage-item p {
    color: #475569;
    font-size: 0.9375rem;
}

.comparison-table {
    /* max-width: 1000px; */
    max-width: 80%;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.comparison-table h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(180deg, #f0f9ff 0%, #e0e7ff 100%);
    font-size: 0.9375rem;
}

.comparison-table td {
    color: #475569;
    font-size: 0.9375rem;
}

.comparison-table td.highlight {
    color: #0ea5e9;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: rgba(14, 165, 233, 0.03);
}

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

@media (max-width: 640px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        overflow-x: auto;
        max-width: 100%;
    }
}

.scenarios {
    padding: 6rem 0;
    background: linear-gradient(180deg, #e0faec 0%, #e8e1fc 100%);
    position: relative;
    overflow: hidden;
}

.scenarios::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
    z-index: 1;
}

.scenarios::after {
    content: '';
    position: absolute;
    top: 30%;
    left: -60px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    /* max-width: 1200px; */
    margin: 0 auto;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.scenario-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #0ea5e9;
    background: rgba(255, 255, 255, 1);
}

.scenario-card .scenario-icon svg {
    width: 48px;
    height: 48px;
    color: #0ea5e9;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.scenario-card:hover .scenario-icon svg {
    color: var(--secondary);
    transform: scale(1.1);
}

.scenario-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.scenario-card .scenario-desc {
    color: #475569;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.scenario-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.scenario-examples span {
    background: var(--bg-tertiary);
    color: #475569;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
}

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

@media (max-width: 640px) {
    .scenarios-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin: 0;
    }
}

.pricing {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
    z-index: 1;
}

.pricing::after {
    content: '';
    position: absolute;
    top: 25%;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    /* max-width: 1200px; */
    max-width: 80%;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

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

.pricing-card.recommended {
    border-color: #0ea5e9;
    box-shadow: var(--shadow-md);
    background: linear-gradient(180deg, rgba(240, 249, 255, 0.95) 0%, rgba(224, 231, 255, 0.95) 100%);
}

.pricing-card.recommended:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #0ea5e9 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 0.5rem;
}

.pricing-card .pricing-desc {
    text-align: center;
    color: #475569;
    margin-bottom: 2rem;
}

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

.pricing-features li {
    padding: 0.75rem 0;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features .check {
    color: var(--success);
    font-weight: bold;
}

@media (max-width: 1024px) {
    .pricing-grid {
        /* grid-template-columns: repeat(2, 1fr); */
        grid-template-columns: repeat(1, 1fr);
    }
    
    .pricing-card.recommended {
        transform: none;
    }
    
    .pricing-card.recommended:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 640px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        margin: 0;
        max-width: 100%;
    }
}.products {
    padding: 100px 0;
    background-color: var(--background);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.product-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-illustration {
    width: 400px;
    /* height: 400px;
    background: linear-gradient(135deg, #1890ff 0%, #36cfc9 100%); */
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    /* animation: float 6s ease-in-out infinite, breathe 4s ease-in-out infinite; */
}
.product-illustration .product-image {
    width: 100%;
    border-radius: 10px;
}

/* .product-illustration i {
    font-size: 180px;
    color: #fff;
} */

.product-content {
    display: flex;
    flex-direction: column;
}

.product-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

.product-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.product-title:hover {
    color: #0ea5e9;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #0ea5e9;
    text-decoration: none;
    margin-left: 12px;
    padding: 6px 16px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(14, 165, 233, 0.05) 100%);
    border: 1px solid rgba(14, 165, 233, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.product-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.product-link:hover::before {
    left: 100%;
}

.product-link:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-color: rgba(14, 165, 233, 0.4);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3), 0 0 0 1px rgba(14, 165, 233, 0.1);
}

.product-link svg {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-link:hover svg {
    transform: translateX(4px);
}

.product-description {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 32px;
    font-size: 16px;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.product-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background-color: #e6f7ff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.product-feature:hover {
    background-color: #e6f7ff;
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.15);
}

.product-feature i {
    color: #0ea5e9;
    font-size: 18px;
    flex-shrink: 0;
}

.product-feature span {
    color: #475569;
    font-size: 15px;
}

@media (max-width: 1024px) {
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-illustration {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .product-showcase {
        gap: 30px;
        margin-bottom: 60px;        
        margin: 0;
        max-width: 100%;
    }
    
    .product-illustration {
        width: 250px;
    }
    
    .product-title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    
    .product-description {
        font-size: 15px;
        margin-bottom: 24px;
    }
    
    .product-features {
        gap: 12px;
        margin-bottom: 24px;
    }
    
    .product-feature {
        padding: 10px 14px;
    }
    
    .product-feature span {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .product-illustration {
        width: 200px;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .product-description {
        font-size: 14px;
    }
    
    .product-feature {
        padding: 8px 12px;
    }
    
    .product-feature i {
        font-size: 16px;
    }
    
    .product-feature span {
        font-size: 13px;
    }
}

.product-cta {
    margin-top: auto;
}

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
}

.footer-bottom a {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}


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

.status-dot.connected {
    background: var(--success);
    animation: pulse 2s infinite;
}

.status-dot.disconnected {
    background: var(--warning);
    animation: none;
}

.status-dot.connecting {
    background: var(--primary);
    animation: blink 1s infinite;
}

.status-dot.failed {
    background: var(--danger);
    animation: none;
}

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

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.status-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.ai-hint {
    font-size: 0.75rem;
    color: #475569;
    opacity: 0.8;
}

.ai-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: radial-gradient(54.53% 54.53% at 100% 1.07%, #eaf3ff 2.38%, #e0eeff 98.63%);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 10000;
    display: flex;
    flex-direction: column;
}

.ai-sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    /* border-bottom: 1px solid var(--border); */
    /* background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%); */
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #1e1f2c;
    font-size: 1.125rem;
    font-weight: 600;
}

.sidebar-title svg {
    width: 24px;
    height: 24px;
}

.sidebar-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-close svg {
    width: 20px;
    height: 20px;
    color: #1e1f2c;
}

.sidebar-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 1rem;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    /* background: var(--bg-secondary); */
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
    /* border: 2px solid var(--bg-secondary); */
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
    /* border: 2px solid var(--bg-secondary); */
}

.message {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.ai-message {
    flex-direction: row;
    justify-content: flex-start;
}

.message.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar svg {
    width: 18px;
    height: 18px;
    color: white;
}

.message-content {
    background: var(--bg-secondary);
    padding: 1rem 1.25rem;
    border-radius: 4px 20px 20px;
    max-width: calc(100% - 56px);
    word-wrap: break-word;
}

.message-content p {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.9375rem;
    display: inline;
}

.message.ai-message .message-content {
    position: relative;
}

/* .message.ai-message .message-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: typing 1s infinite;
} */

/* .message.ai-message .message-content.finished::after {
    display: none;
} */


/* .breathing-container {
    display: flex;
    gap: 4px;
    align-items: center;
} */
.circle {
    display: inline-block;
    margin-left: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation: breathe 2s ease-in-out infinite;
    /* box-shadow: 0 0 30px rgba(102, 126, 234, 0.5); */
}

.circle:nth-child(1) {
    animation-delay: 0s;
}

.circle:nth-child(2) {
    animation-delay: 0.3s;
}

.circle:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes breathe {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.9);
        /* box-shadow: 0 0 20px rgba(102, 126, 234, 0.3); */
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
        /* box-shadow: 0 0 50px rgba(102, 126, 234, 0.8); */
    }
}

/* @keyframes typing {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
} */

.message.user-message .message-content {
    border-radius: 20px 20px 4px;
    background: #4e6ef2;
}

.message.user-message .message-content p {
    color: #fff;
}

.chat-input-container {
    padding: 1rem;
    display: flex;
    /* border-top: 1px solid var(--border);
    background: var(--bg-secondary); */
}

.chat-input {
    flex: 1;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    font-size: 0.9375rem;
    resize: none;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
    min-height: 44px;
    max-height: 200px;
    overflow-y: auto;
}

.chat-input::-webkit-scrollbar {
    width: 6px;
}

.chat-input::-webkit-scrollbar-track {
    background: rgba(14, 165, 233, 0.05);
    padding: 2px 0;
    border-radius: var(--radius);
}

.chat-input::-webkit-scrollbar-thumb {
    /* background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%); */
    background: #e6e6e7;
    border-radius: var(--radius);
}

.chat-input::-webkit-scrollbar-thumb:hover {
    /* background: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%); */
    background: #d6d6d8;    
}

.chat-input:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.send-btn {
    /* position: absolute; */
    align-self: flex-end;
    margin-left: 5px;
    right: 1.5rem;
    bottom: 1.6rem;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #0ea5e9 0%, var(--secondary) 100%);
    border: none;
    border-radius: var(--radius);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
button:disabled {
    background: #ccc !important;
    cursor: not-allowed !important;
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.send-btn svg {
    width: 20px;
    height: 20px;
}

.stop-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 1px -1px 20px 4px rgba(223, 222, 222, 0.2);
}

.stop-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.stop-btn svg {
    width: 16px;
    height: 16px;
}

.stop-button-container {
    display: none;
    justify-content: center;
    padding: 0.5rem 1rem;
}

@media (max-width: 768px) {
    .ai-sidebar {
        width: 100%;
        transform: translateX(100%);
    }
    
    .ai-sidebar.active {
        transform: translateX(0);
    }
}

p{
    text-align: justify;
}