:root {
    --primary-blue: #0066FF;
    --deep-blue: #001E3C;
    --light-blue: #00A6FF;
    --dark-bg: #0A0E27;
    --gray-dark: #1A1A2E;
    --gray-light: #E8E8E8;
    --purple: #6B5BFF;
    --cyan: #00D4AA;
    --white: #FFFFFF;
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
}

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

html {
    scroll-behavior: smooth;
}

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

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loader-content {
    text-align: center;
}

.network-loader {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.network-loader .node {
    width: 15px;
    height: 15px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.network-loader .node:nth-child(2) {
    animation-delay: 0.3s;
}

.network-loader .node:nth-child(3) {
    animation-delay: 0.6s;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(10, 14, 39, 0.98);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.nav-logo .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
}

.nav-logo .logo-sub {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#network-canvas {
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center,
        rgba(0, 102, 255, 0.1) 0%,
        rgba(10, 14, 39, 0.8) 50%,
        rgba(10, 14, 39, 0.95) 100%);
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 1000px;
    padding: 0 40px;
}

.hero-title {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.title-main {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 15px;
}

.title-sub {
    font-size: 28px;
    font-weight: 500;
    color: var(--text-primary);
    display: block;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    position: relative;
    margin: 0 auto 10px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-blue);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.scroll-indicator p {
    font-size: 12px;
    color: var(--text-secondary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.system-section {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--gray-dark) 100%);
}

.system-showcase {
    display: grid;
    gap: 60px;
}

.system-main {
    display: flex;
    justify-content: center;
}

.system-screen {
    width: 100%;
    max-width: 900px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 166, 255, 0.05));
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.system-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-blue) 0%, transparent 70%);
    opacity: 0.05;
    animation: rotate 20s linear infinite;
}

.screen-content {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.data-visualization {
    width: 100%;
    height: 100%;
}

.system-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--primary-blue);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.advantages-section {
    background: linear-gradient(180deg, var(--gray-dark) 0%, var(--dark-bg) 100%);
    padding: 120px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.advantage-card {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.advantage-card.featured {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 166, 255, 0.05));
    border: 2px solid var(--primary-blue);
    transform: scale(1.05);
}

.advantage-card:hover {
    transform: translateY(-10px);
    background: rgba(0, 102, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.2);
}

.advantage-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 20px;
}

.advantage-card h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.advantage-card p {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 25px;
    font-weight: 500;
}

.advantage-card ul {
    list-style: none;
    text-align: left;
}

.advantage-card li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    font-size: 14px;
}

.advantage-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.advantages-summary {
    text-align: center;
    padding: 30px;
    background: rgba(0, 102, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 102, 255, 0.2);
}

.advantages-summary p {
    font-size: 18px;
    color: var(--text-primary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.services-section {
    background: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    position: relative;
    height: 350px;
    transform-style: preserve-3d;
    transition: transform 0.6s;
    cursor: pointer;
}

.service-card:hover {
    transform: rotateY(180px);
}

.service-front,
.service-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.service-front {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 166, 255, 0.05));
    border: 1px solid rgba(0, 102, 255, 0.3);
}

.service-back {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    transform: rotateY(180deg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    position: relative;
}

.icon-globe::before {
    content: '<
';
    font-size: 60px;
}

.icon-bridge::before {
    content: '<	';
    font-size: 60px;
}

.icon-growth::before {
    content: '=�';
    font-size: 60px;
}

.icon-brain::before {
    content: '>�';
    font-size: 60px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.service-back ul {
    list-style: none;
    margin-top: 20px;
}

.service-back li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.service-back li::before {
    content: '';
    position: absolute;
    left: 0;
}

.solutions-section {
    background: linear-gradient(180deg, var(--gray-dark) 0%, var(--dark-bg) 100%);
}

.solutions-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 600;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-info h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.solution-info p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.solution-features {
    list-style: none;
    margin-bottom: 30px;
}

.solution-features li {
    padding: 15px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
}

.solution-features li::before {
    content: '�';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

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

.visual-graph {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

.network-section {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.network-map {
    position: relative;
    min-height: 600px;
}

.network-svg-container {
    width: 100%;
    margin: 40px 0;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    padding: 20px;
}

.network-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-card {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(0, 102, 255, 0.1);
    transform: translateY(-5px);
}

.stat-card h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
}

.cases-section {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--gray-dark) 100%);
}

.cases-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.cases-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0.3;
}

.timeline-item {
    display: flex;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    flex: 0 0 150px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
}

.timeline-content {
    flex: 1;
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    margin: 0 40px;
    position: relative;
}

.timeline-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.case-metrics {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.metric {
    background: rgba(0, 102, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary-blue);
}

.partners-section {
    background: var(--dark-bg);
}

.partners-grid {
    display: grid;
    gap: 60px;
}

.partner-category h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--primary-blue);
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.partner-item {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.partner-item:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--primary-blue);
    transform: translateY(-5px);
}

.contact-section {
    background: linear-gradient(180deg, var(--gray-dark) 0%, var(--dark-bg) 100%);
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.info-item p {
    color: var(--text-secondary);
}

.contact-form {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(0, 102, 255, 0.05);
}

.form-group textarea {
    resize: vertical;
}

.footer {
    background: var(--gray-dark);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 102, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.footer-brand .footer-tagline {
    color: var(--primary-blue);
    font-weight: 500;
    margin-top: 10px;
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.link-group h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 10px;
}

.link-group a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

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

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

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

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .title-divider {
        display: block;
        margin: 10px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

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

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

    .timeline-item {
        flex-direction: column !important;
    }

    .timeline-date {
        margin-bottom: 20px;
    }

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

/* Ecosystem Section */
.ecosystem-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #0A0E27 0%, #1A1A2E 100%);
    position: relative;
    overflow: hidden;
}

.ecosystem-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.ecosystem-container {
    position: relative;
    z-index: 2;
}

.ecosystem-svg-wrapper {
    margin: 60px 0;
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid rgba(0, 102, 255, 0.1);
    backdrop-filter: blur(10px);
}

.ecosystem-svg-wrapper img {
    filter: drop-shadow(0 10px 30px rgba(0, 102, 255, 0.3));
    transition: transform 0.3s ease;
}

.ecosystem-svg-wrapper:hover img {
    transform: scale(1.02);
}

.ecosystem-description {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.eco-module {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

.eco-module:hover {
    transform: translateY(-10px);
    background: rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.4);
}

.eco-module h3 {
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.eco-module p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .ecosystem-section {
        padding: 80px 0;
    }
    
    .ecosystem-svg-wrapper {
        padding: 20px;
        margin: 40px 0;
    }
    
    .ecosystem-description {
        gap: 20px;
        margin-top: 40px;
    }
    
    .eco-module {
        padding: 20px;
    }
    
    .eco-module h3 {
        font-size: 20px;
    }
    
    .eco-module p {
        font-size: 14px;
    }
}

/* ========== 品牌标识优化样式 ========== */

/* 导航栏品牌优化 */
.nav-logo {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    padding: 5px 0;
}

.nav-logo .logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.nav-logo .logo-divider {
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
    animation: pulse 2s ease-in-out infinite;
}

.nav-logo .logo-en {
    font-weight: 400;
    font-style: italic;
    color: var(--white);
    letter-spacing: 1px;
}

.nav-logo .i-connect {
    position: relative;
    font-weight: 700;
    color: var(--white);
}

.nav-logo .i-connect::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 50%;
    width: 4px;
    height: 4px;
    background: var(--white);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

.nav-logo .logo-sub {
    font-size: 11px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 3px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-logo:hover .logo-text {
    transform: translateX(5px);
}

.nav-logo:hover .logo-en {
    color: var(--white);
}

/* Hero区域标题优化 */
.hero-title {
    margin-bottom: 30px;
    position: relative;
}

.title-main {
    font-size: 56px;
    font-weight: 900;
    display: block;
    margin-bottom: 20px;
    letter-spacing: 3px;
    line-height: 1.2;
    position: relative;
}

.title-main.gradient-text {
    background: linear-gradient(135deg, #0066FF 0%, #00D4AA 50%, #0066FF 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
    filter: drop-shadow(0 10px 30px rgba(0, 102, 255, 0.3));
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.title-sub {
    font-size: 36px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    position: relative;
}

.edu-text {
    font-weight: 300;
    font-style: italic;
    color: #00A6FF;
    letter-spacing: 2px;
    position: relative;
}

.i-special {
    display: inline-block;
    font-size: 42px;
    font-weight: 700;
    color: #00D4AA;
    margin: 0 -5px;
    position: relative;
    animation: iPulse 2s ease-in-out infinite;
    text-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
}

.i-special::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -10px;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #00D4AA;
    border-radius: 50%;
    box-shadow: 0 0 10px #00D4AA;
    animation: dotPulse 2s ease-in-out infinite;
}

.i-special::after {
    content: '';
    position: absolute;
    left: -20px;
    right: -20px;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00D4AA, transparent);
    animation: connectLine 3s ease-in-out infinite;
}

@keyframes iPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

@keyframes connectLine {
    0%, 100% { 
        opacity: 0;
        transform: scaleX(0);
    }
    50% { 
        opacity: 1;
        transform: scaleX(1);
    }
}

.connect-text {
    font-weight: 500;
    color: #00A6FF;
    letter-spacing: 3px;
    position: relative;
    padding-left: 5px;
}

.connect-text::before {
    content: '⚡';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: #00D4AA;
    font-size: 20px;
    animation: flash 1.5s infinite;
    opacity: 0;
}

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

.system-badge {
    display: inline-block;
    margin-left: 20px;
    padding: 5px 15px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: #00A6FF;
    letter-spacing: 1px;
    position: relative;
    backdrop-filter: blur(10px);
}

.system-badge::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(90deg, #0066FF, #00D4AA);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hero-title:hover .system-badge::before {
    opacity: 1;
}

/* 光扫效果 */
.hero-title::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 100%);
    animation: lightSweep 8s infinite;
}

@keyframes lightSweep {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 文字入场动画 */
.title-main {
    animation: fadeInDown 1s ease-out;
}

.title-sub > * {
    animation: fadeInUp 1s ease-out;
    animation-fill-mode: both;
}

.edu-text { animation-delay: 0.2s; }
.i-special { animation-delay: 0.4s; }
.connect-text { animation-delay: 0.6s; }
.system-badge { animation-delay: 0.8s; }

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

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

/* 响应式优化 */
@media (max-width: 768px) {
    .nav-logo .logo-text {
        font-size: 14px;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .nav-logo .logo-divider {
        display: none;
    }
    
    .title-main {
        font-size: 32px;
        letter-spacing: 1px;
    }
    
    .title-sub {
        font-size: 20px;
        flex-direction: column;
        gap: 10px;
    }
    
    .i-special {
        font-size: 28px;
    }
    
    .system-badge {
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 24px;
    }
    
    .title-sub {
        font-size: 16px;
    }
    
    .i-special {
        font-size: 20px;
    }
}

/* 额外的动画效果 */
@keyframes textGradient {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

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

/* 悬停效果增强 */
.hero-title:hover .title-main {
    animation-play-state: paused;
    filter: drop-shadow(0 15px 40px rgba(0, 102, 255, 0.5));
}

.hero-title:hover .i-special {
    transform: scale(1.2) rotate(5deg);
    color: #00FFD4;
}


/* 页脚品牌标识优化 */
.footer-title {
    font-size: 28px;
    background: linear-gradient(90deg, #0066FF, #00A6FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.footer-subtitle {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-edu {
    color: #00A6FF;
    font-weight: 300;
    font-style: italic;
}

.footer-i {
    color: #00D4AA;
    font-weight: 700;
    font-size: 20px;
    position: relative;
    text-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
}

.footer-connect {
    color: #00A6FF;
    font-weight: 400;
}

.footer-badge {
    margin-left: 10px;
    padding: 2px 10px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 12px;
    font-size: 12px;
    color: rgba(0, 166, 255, 0.8);
}

.footer-tagline {
    color: var(--primary-blue);
    font-weight: 500;
    margin-top: 10px;
    font-size: 14px;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* 页脚品牌悬停效果 */
.footer-brand:hover .footer-title {
    animation: textGradient 3s linear infinite;
}

.footer-brand:hover .footer-i {
    animation: iPulse 1s ease-in-out infinite;
}

/* ========== 全局视觉优化 ========== */

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 102, 255, 0.05);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #0066FF, #00A6FF);
    border-radius: 5px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #00A6FF, #00D4AA);
}

/* 文本选中样式 */
::selection {
    background: rgba(0, 102, 255, 0.3);
    color: #FFFFFF;
}

::-moz-selection {
    background: rgba(0, 102, 255, 0.3);
    color: #FFFFFF;
}

/* ========== 导航栏增强 ========== */

.navbar {
    background: linear-gradient(180deg, 
        rgba(10, 14, 39, 0.98) 0%, 
        rgba(10, 14, 39, 0.95) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
}

.navbar.scrolled {
    background: linear-gradient(180deg, 
        rgba(10, 14, 39, 1) 0%, 
        rgba(26, 26, 46, 0.98) 100%);
    box-shadow: 0 4px 30px rgba(0, 102, 255, 0.15);
}

/* 导航链接增强 */
.nav-link {
    position: relative;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    background: rgba(0, 102, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00D4AA, transparent);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 80%;
}

/* ========== Hero区域背景动效 ========== */

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 100%, rgba(107, 91, 255, 0.05) 0%, transparent 50%);
    animation: floatingGradient 20s ease-in-out infinite;
}

@keyframes floatingGradient {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

/* 浮动光点效果 */
.hero-background::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, #00D4AA, transparent),
        radial-gradient(2px 2px at 60% 70%, #0066FF, transparent),
        radial-gradient(1px 1px at 90% 10%, #FFFFFF, transparent),
        radial-gradient(1px 1px at 15% 80%, #00A6FF, transparent);
    background-size: 500px 500px;
    animation: floatingLights 30s linear infinite;
    opacity: 0.4;
}

@keyframes floatingLights {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(-250px, -250px);
    }
}

/* ========== 按钮美化升级 ========== */

.btn {
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #0066FF 0%, #00A6FF 100%);
    border: 1px solid transparent;
    position: relative;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #00A6FF 0%, #00D4AA 100%);
    border-radius: 50px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-secondary {
    background: rgba(0, 102, 255, 0.1);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    margin: -2px;
    border-radius: 50px;
    background: linear-gradient(135deg, #0066FF, #00D4AA);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

/* 按钮点击涟漪效果 */
.btn:active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}

/* ========== 卡片玻璃态效果 ========== */

.feature-card,
.advantage-card,
.service-card,
.stat-card,
.eco-module {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before,
.advantage-card::before,
.service-card::before,
.stat-card::before,
.eco-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 102, 255, 0.1) 0%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.feature-card:hover::before,
.advantage-card:hover::before,
.service-card:hover::before,
.stat-card:hover::before,
.eco-module:hover::before {
    opacity: 1;
}

/* 卡片边框渐变 */
.feature-card::after,
.advantage-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, #0066FF, #00D4AA, #6B5BFF);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.feature-card:hover::after,
.advantage-card:hover::after {
    opacity: 0.5;
}

/* ========== 统计数字动画增强 ========== */

.stat-number {
    position: relative;
    display: inline-block;
}

.stat-number::after {
    content: attr(data-target);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    color: transparent;
    background: linear-gradient(90deg, #0066FF, #00D4AA);
    -webkit-background-clip: text;
    background-clip: text;
    opacity: 0;
    animation: numberGlow 2s ease-in-out infinite;
}

@keyframes numberGlow {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.05);
    }
}

/* ========== 表单输入框美化 ========== */

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(0, 102, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus,
.form-group textarea:focus {
    background: rgba(0, 102, 255, 0.05);
    border-color: transparent;
    box-shadow: 
        0 0 0 2px rgba(0, 102, 255, 0.5),
        0 10px 30px rgba(0, 102, 255, 0.2);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(184, 188, 200, 0.5);
    transition: all 0.3s ease;
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    color: transparent;
    transform: translateX(10px);
}

/* 输入框标签动画 */
.form-group::before {
    content: attr(data-label);
    position: absolute;
    top: -10px;
    left: 15px;
    background: var(--dark-bg);
    padding: 0 5px;
    color: #00A6FF;
    font-size: 12px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group:focus-within::before {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Section背景优化 ========== */

section {
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 102, 255, 0.3), 
        transparent);
    opacity: 0;
    animation: sectionLine 3s ease-in-out infinite;
}

@keyframes sectionLine {
    0%, 100% {
        opacity: 0;
        transform: scaleX(0);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* ========== 标题文字特效 ========== */

.section-title {
    position: relative;
    display: inline-block;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0066FF, #00D4AA);
    border-radius: 2px;
    animation: titleLine 2s ease-in-out infinite;
}

@keyframes titleLine {
    0%, 100% {
        width: 60px;
    }
    50% {
        width: 100px;
    }
}

/* ========== 加载状态骨架屏 ========== */

.skeleton {
    background: linear-gradient(90deg, 
        rgba(0, 102, 255, 0.05) 0%, 
        rgba(0, 102, 255, 0.1) 50%, 
        rgba(0, 102, 255, 0.05) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========== 响应式优化 ========== */

@media (hover: hover) {
    /* 仅在支持悬停的设备上应用悬停效果 */
    .btn:hover {
        transform: translateY(-3px);
    }
}

@media (prefers-reduced-motion: reduce) {
    /* 为偏好减少动画的用户禁用动画 */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== 性能优化 ========== */

.will-animate {
    will-change: transform, opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}