/* ===== Global Styles ===== */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --secondary: #fbbc04;
    --accent: #00d4aa;
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --light: #ffffff;
    --gray: #f5f5f5;
    --gray-dark: #333333;
    --text: #333333;
    --text-light: #666666;
    --gradient-start: #1a73e8;
    --gradient-end: #00d4aa;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* ===== Typography ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 14px;
    font-weight: 500;
    border-radius: 30px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-light);
}

.section-header.light .section-title {
    color: white;
}

.section-header.light .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    border-radius: 12px;
}

.logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 12px;
    flex-shrink: 0;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-cn {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
}

.logo-en {
    font-size: 12px;
    color: var(--text-light);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(26, 115, 232, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(138, 43, 226, 0.08) 0%, transparent 45%),
        linear-gradient(135deg, #0a0a1a 0%, #0d1b2a 30%, #1b263b 70%, #0a0a1a 100%);
}

.circuit-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(26, 115, 232, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 115, 232, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
}

.globe-container {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
}

.globe {
    width: 400px;
    height: 400px;
    position: relative;
}

.ding-vessel {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 180px;
}

.vessel-body {
    width: 150px;
    height: 130px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px 10px 30px 30px;
    position: relative;
    overflow: hidden;
}

.pattern {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
}

.pattern-1 {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    top: 20px;
    left: 20px;
}

.pattern-2 {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    bottom: 30px;
    right: 30px;
}

.pattern-3 {
    width: 30px;
    height: 30px;
    bottom: 50px;
    left: 50px;
}

.vessel-legs {
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    margin-top: -10px;
}

.leg {
    width: 15px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 0 0 5px 5px;
}

.ar-glasses {
    position: absolute;
    left: 50%;
    top: 30%;
    transform: translateX(-50%);
}

.glasses-frame {
    width: 120px;
    height: 40px;
    border: 3px solid var(--accent);
    border-radius: 20px;
}

.glasses-lens {
    position: absolute;
    width: 45px;
    height: 30px;
    background: rgba(0, 212, 170, 0.3);
    border-radius: 15px;
    top: 5px;
}

.glasses-lens.left {
    left: 8px;
}

.glasses-lens.right {
    right: 8px;
}

.glasses-bridge {
    position: absolute;
    width: 15px;
    height: 3px;
    background: var(--accent);
    left: 50%;
    top: 18px;
    transform: translateX(-50%);
}

.hero-content {
    text-align: center;
    z-index: 10;
}

.hero-title {
    margin-bottom: 30px;
}

.title-line {
    display: block;
    font-size: 72px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tags {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.tag {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    color: white;
    font-size: 14px;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

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

/* ===== About Section ===== */
.about {
    padding: 120px 0;
    background: 
        linear-gradient(180deg, #f8fafc 0%, #e8f4f8 50%, #f0f7ff 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-dark));
}

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

.about-text {
    max-width: 560px;
}

.about-intro {
    font-size: 24px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--dark);
}

.about-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 40px;
}

.about-features {
    display: flex;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 12px;
}

.feature-icon {
    font-size: 24px;
}

.feature-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--text-light);
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.visual-card {
    padding: 30px 20px;
    background: white;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.visual-card:hover .card-glow {
    opacity: 0.1;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.card-label {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== Products Section ===== */
.products {
    padding: 120px 0;
    background: 
        linear-gradient(180deg, #ffffff 0%, #f5f8fc 40%, #eef4ff 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.card-visual {
    height: 280px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image {
    max-width: 85%;
    max-height: 85%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

.product-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 12px;
    border-radius: 20px;
}

.card-body {
    padding: 30px;
}

.product-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--dark);
}

.product-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.product-features {
    margin-bottom: 20px;
}

.product-features li {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

.product-scenes {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.scene-tag {
    padding: 6px 14px;
    background: var(--gray);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-light);
}

/* ===== AR Glasses Showcase ===== */
.ar-glasses-showcase {
    position: relative;
    width: 200px;
    height: 120px;
}

.glasses-display {
    position: relative;
    z-index: 2;
}

.frame {
    width: 180px;
    height: 60px;
    border: 3px solid var(--accent);
    border-radius: 30px;
    position: relative;
}

.lens {
    position: absolute;
    width: 70px;
    height: 45px;
    background: rgba(0, 212, 170, 0.4);
    border-radius: 22px;
    top: 5px;
    animation: lensGlow 2s infinite;
}

.lens.left { left: 10px; }
.lens.right { right: 10px; }

@keyframes lensGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 170, 0.5); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 170, 0.8); }
}

.bridge {
    position: absolute;
    width: 20px;
    height: 4px;
    background: var(--accent);
    left: 50%;
    top: 28px;
    transform: translateX(-50%);
    border-radius: 2px;
}

.temple {
    position: absolute;
    width: 50px;
    height: 4px;
    background: var(--accent);
    top: 15px;
    border-radius: 2px;
}

.temple.left { left: -35px; transform: rotate(-10deg); }
.temple.right { right: -35px; transform: rotate(10deg); }

.hologram {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 170, 0.2);
    border: 2px solid var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s infinite ease-in-out;
}

.hologram-1 {
    top: 10px;
    left: 0;
}

.hologram-2 {
    bottom: 10px;
    right: 0;
    animation-delay: -1.5s;
}

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

.holo-content {
    font-size: 24px;
}

/* ===== Education Platform Showcase ===== */
.edu-platform-showcase {
    position: relative;
    width: 220px;
    height: 160px;
}

.dashboard {
    width: 180px;
    height: 130px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
}

.dash-header {
    display: flex;
    gap: 6px;
    margin-bottom: 15px;
}

.dash-dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.dash-content {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.dash-chart {
    flex: 1;
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 4px;
}

.chart-1 { height: 40px; }
.chart-2 { height: 60px; }
.chart-3 { height: 30px; }

.dash-user {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-avatar {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
}

.user-info {
    flex: 1;
}

.user-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    margin-bottom: 4px;
}

.user-bar.short {
    width: 60%;
}

.floating-cards {
    position: absolute;
    top: -20px;
    right: 0;
}

.float-card {
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    position: absolute;
    animation: floatCard 3s infinite;
}

.c1 { top: 0; right: 30px; }
.c2 { top: 40px; right: 0; animation-delay: -1s; }
.c3 { top: 30px; right: 60px; animation-delay: -2s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* ===== AI Agent Showcase ===== */
.ai-agent-showcase {
    position: relative;
    width: 200px;
    height: 160px;
}

.agent-core {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.core-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--accent);
    border-radius: 50%;
    animation: rotate 4s infinite linear;
}

.ring-1 { width: 80px; height: 80px; opacity: 0.8; }
.ring-2 { width: 100px; height: 100px; opacity: 0.5; animation-duration: 6s; animation-direction: reverse; }
.ring-3 { width: 120px; height: 120px; opacity: 0.3; animation-duration: 8s; }

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.core-center {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.brain-icon {
    font-size: 24px;
}

.agent-nodes {
    position: absolute;
    inset: 0;
}

.node {
    position: absolute;
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.n1 { top: 10px; left: 20px; }
.n2 { top: 10px; right: 20px; }
.n3 { bottom: 10px; left: 20px; }
.n4 { bottom: 10px; right: 20px; }

/* ===== Solutions Section ===== */
.solutions {
    padding: 120px 0;
    background: 
        linear-gradient(135deg, #0a1628 0%, #1a2744 50%, #0d1b2a 100%);
    position: relative;
}

.solutions::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 30%, rgba(26, 115, 232, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 70%, rgba(0, 212, 170, 0.08) 0%, transparent 35%);
    pointer-events: none;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    padding: 40px 30px;
    background: var(--gray);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.solution-card:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transform: translateY(-5px);
}

.solution-card:hover * {
    color: white !important;
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.solution-features li {
    font-size: 14px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.solution-features li::before {
    content: '•';
    color: var(--primary);
    font-size: 18px;
}

.solution-card:hover .solution-features li::before {
    color: white;
}

/* ===== Cases Section ===== */
.cases {
    padding: 120px 0;
    background: 
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 50%, #f5f9ff 100%);
    position: relative;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary), var(--primary-dark));
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}

.case-info {
    padding: 30px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.case-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.case-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.case-partners {
    display: flex;
    gap: 10px;
}

.case-partners span {
    padding: 4px 12px;
    background: var(--gray);
    font-size: 12px;
    border-radius: 4px;
    color: var(--text-light);
}

/* ===== Vision Section ===== */
.vision {
    padding: 120px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

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

.vision-card .card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.vision-card .card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.vision-card h3 {
    font-size: 24px;
    color: white;
}

.vision-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.vision-statement {
    text-align: center;
}

.statement-text {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* ===== Contact Section ===== */
.contact {
    padding: 120px 0;
    background: 
        linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(26, 115, 232, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 80%, rgba(0, 212, 170, 0.07) 0%, transparent 35%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

.info-item {
    display: flex;
    gap: 20px;
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gray);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.info-text h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

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

.contact-form {
    background: var(--gray);
    padding: 40px;
    border-radius: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 30px;
    background: linear-gradient(180deg, #0a0a1a 0%, #050510 100%);
    color: white;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.3), rgba(0, 212, 170, 0.3), transparent);
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-icon,
.footer-brand .logo-cn {
    color: white;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links h4,
.footer-social h4 {
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .products-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .title-line {
        font-size: 48px;
    }
    
    .hero-tags,
    .hero-cta {
        flex-direction: column;
    }
    
    .about-features {
        flex-direction: column;
    }
    
    .products-grid,
    .solutions-grid,
    .vision-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .globe-container {
        display: none;
    }
}

/* ===== Form Notification ===== */
.form-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    max-width: 360px;
}

.form-notification.show {
    transform: translateX(0);
}

.form-notification.success {
    border-left: 4px solid #34a853;
}

.form-notification.error {
    border-left: 4px solid #ea4335;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #333;
}

.notification-icon {
    font-size: 20px;
}