:root {
    /* Brand Colors */
    --primary-orange: #FF9800;
    --primary-green: #26C6DA;
    /* Adjusted to be slightly fresher */
    --accent-blue: #4FC3F7;

    /* Light Theme Palette */
    --bg-color: #F0F7FF;
    /* Very pale blue background */
    --bg-gradient: linear-gradient(120deg, #F0F7FF 0%, #E0F2F1 100%);

    --surface-color: #FFFFFF;
    --text-main: #263238;
    /* Dark Blue Grey for text */
    --text-muted: #546E7A;

    /* Glassmorphism Light */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 1);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.07);

    --gradient-text: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    /* Optimized font stack for Chinese users */
    font-family: "PingFang SC", "Microsoft YaHei", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
    background: var(--bg-gradient);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.btn-primary {
    background: linear-gradient(90deg, #FF9800, #FF6F00);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

.btn-outline {
    background: white;
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    margin-left: 1rem;
}

.btn-outline:hover {
    background: var(--primary-green);
    color: #fff;
    border-color: var(--primary-green);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.5rem;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at top right, rgba(255, 243, 224, 0.4), transparent 40%),
        radial-gradient(circle at bottom left, rgba(224, 247, 250, 0.6), transparent 40%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: rgba(38, 198, 218, 0.2);
    /* Light Green/Blue */
    top: -50px;
    left: -100px;
    animation-delay: 0s;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(255, 152, 0, 0.15);
    /* Light Orange */
    bottom: -100px;
    right: -100px;
    animation-delay: 5s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(30px, 50px);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-main);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
.section {
    padding: 6rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-header .line {
    width: 60px;
    height: 4px;
    background: var(--gradient-text);
    margin: 0 auto;
    border-radius: 2px;
}

/* Products/Features */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-orange));
    opacity: 0;
    transition: opacity 0.3s;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    /* Softer shadow */
}

.glass-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.glass-card p {
    color: var(--text-muted);
}

/* About */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
}

.about-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 3px solid var(--primary-orange);
    box-shadow: var(--shadow-light);
}

.stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-orange);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tech-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(38, 198, 218, 0.1), transparent);
    border: 1px solid rgba(38, 198, 218, 0.2);
    position: relative;
    animation: rotate 20s linear infinite;
}

.tech-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border-radius: 50%;
    border: 2px dashed rgba(255, 152, 0, 0.4);
}

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

    to {
        transform: rotate(360deg);
    }
}

/* Footer */
.footer {
    background: linear-gradient(to right, #F0F7FF, #E0F2F1);
    /* Light gradient footer */
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--text-main);
    font-weight: 600;
}

.copyright {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.icp a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.icp a:hover {
    opacity: 1;
    color: var(--primary-green);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    /* Simplified mobile nav for now */
}