:root {
    --primary-color: #0F172A;
    --primary-light: #1E293B;
    --accent-color: #06B6D4;
    --accent-secondary: #0891B2;
    --accent-gradient: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);

    --bg-light: #F8FAFC;
    --bg-dark: #0F172A;
    --bg-card: #FFFFFF;

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-light: #F8FAFC;

    --card-bg: #FFFFFF;
    --card-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --card-shadow-hover: 0 8px 32px rgba(15, 23, 42, 0.12);

    --border-color: #E2E8F0;
    --border-light: #F1F5F9;

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-accent: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);
    --gradient-surface: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden {
    display: none !important;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text span {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--accent-color);
    background: rgba(6, 182, 212, 0.05);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown .dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    min-width: 240px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content li {
    list-style: none;
}

.dropdown-content a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.dropdown-content a:hover {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.banner {
    min-height: 100vh;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.banner-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
}

.banner-text {
    color: var(--text-light);
}

.banner-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(6, 182, 212, 0.3);
    animation: fadeInUp 0.8s ease-out, pulse 3s ease-in-out infinite 1s;
}

.banner-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards, textGlow 3s ease-in-out infinite 1s;
}

.banner-title span {
    color: var(--accent-color);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.banner-subtitle {
    font-size: 1.75rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.banner-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.banner-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.banner-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: var(--transition);
}

.banner-feature:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.banner-feature i {
    color: var(--accent-color);
    transition: var(--transition);
}

.banner-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.8s ease-out 1s backwards;
}

.btn {
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::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;
}

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

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.3);
}

.banner-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.5s backwards;
}

.architecture-diagram {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    animation: float 4s ease-in-out infinite;
}

.architecture-node {
    position: absolute;
    background: rgba(6, 182, 212, 0.15);
    border: 2px solid var(--accent-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    color: white;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.architecture-node:hover {
    transform: scale(1.05);
    background: rgba(6, 182, 212, 0.25);
}

.architecture-node i {
    font-size: 2rem;
    color: var(--accent-color);
}

.architecture-node span {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

.node-core {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(6, 182, 212, 0.2);
    border-width: 3px;
    animation: fadeInUp 1s ease-out 0.8s backwards, pulse 3s ease-in-out infinite 2s;
}

.node-core i {
    font-size: 3rem;
    animation: float 2s ease-in-out infinite;
}

.node-sources {
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 100px;
    animation: fadeInUp 0.8s ease-out 1s backwards;
}

.node-fabric {
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 140px;
    height: 100px;
    animation: fadeInRight 0.8s ease-out 1.2s backwards;
}

.node-acceleration {
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 100px;
    animation: fadeInUp 0.8s ease-out 1.4s backwards;
}

.node-dsm {
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
    width: 140px;
    height: 100px;
    animation: fadeInLeft 0.8s ease-out 1.6s backwards;
}

.node-agentic {
    bottom: 20%;
    right: 10%;
    width: 120px;
    height: 80px;
}

.connection-line {
    position: absolute;
    background: var(--accent-color);
    opacity: 0.3;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: fadeInUp 1s ease-out 2s backwards;
}

.scroll-indicator a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    display: block;
    padding: 10px;
    transition: var(--transition);
}

.scroll-indicator a:hover {
    color: var(--accent-color);
    transform: scale(1.2);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 20px 5px rgba(6, 182, 212, 0.2);
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(6, 182, 212, 0.8), 0 0 30px rgba(6, 182, 212, 0.4);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.value-section,
.products-section,
.scenarios-section,
.advantages-section,
.news-section,
.ecosystem-section,
.contact-section {
    padding: 100px 0;
}

.value-section {
    background: var(--gradient-surface);
}

.products-section {
    background: white;
}

.scenarios-section {
    background: var(--bg-light);
}

.advantages-section {
    background: var(--gradient-dark);
    color: white;
}

.news-section {
    background: white;
}

.ecosystem-section {
    background: var(--bg-light);
}

.contact-section {
    background: var(--gradient-dark);
    color: white;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.advantages-section .section-title {
    color: white;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.advantages-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.pain-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.pain-icon {
    width: 60px;
    height: 60px;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pain-icon i {
    font-size: 1.75rem;
    color: var(--accent-color);
}

.pain-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pain-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.pain-impact {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.impact-label {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 8px;
}

.impact-value {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.product-image {
    height: 240px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 0L100 50L50 100L0 50Z' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
}

.product-image i {
    font-size: 4rem;
    color: var(--accent-color);
    z-index: 1;
}

.product-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-color);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    width: fit-content;
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.product-card .product-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.product-feature-tag {
    padding: 6px 14px;
    background: var(--bg-light);
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.product-link:hover {
    gap: 12px;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scenario-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.scenario-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.scenario-icon i {
    font-size: 1.75rem;
    color: white;
}

.scenario-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.scenario-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.advantage-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.advantage-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 8px;
    line-height: 1;
}

.advantage-label {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.advantage-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.news-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.news-image {
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image i {
    font-size: 3rem;
    color: var(--accent-color);
    opacity: 0.6;
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.news-card h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
    margin-top: 16px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.news-link:hover {
    gap: 10px;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.partner-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.partner-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.partner-icon i {
    font-size: 2.5rem;
    color: white;
}

.partner-card h3 {
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.partner-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 16px;
}

.contact-info > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 4px;
}

.contact-detail-content h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.contact-detail-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.offices-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.office-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.office-item i {
    color: var(--accent-color);
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group select option {
    background: var(--bg-dark);
    color: white;
}

.form-submit {
    width: 100%;
    padding: 16px;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
}

.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

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

.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.language-switch:hover {
    background: rgba(6, 182, 212, 0.2);
}

@media (max-width: 1024px) {
    .banner-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .banner-visual {
        display: none;
    }

    .pain-points-grid,
    .products-grid,
    .scenarios-grid,
    .news-grid,
    .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--card-shadow);
        border-radius: 0 0 16px 16px;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .banner-subtitle {
        font-size: 1.35rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .pain-points-grid,
    .products-grid,
    .scenarios-grid,
    .news-grid,
    .ecosystem-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .banner-buttons {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}