:root {
    --bg-color: #050505;
    --text-color: #e0e0e0;
    --primary-color: #00ff9d;
    --secondary-color: #5d3fd3;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Canvas Background */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

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

/* Navbar (Logo Only) */
.navbar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 2rem;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    background: transparent;
    border: none;
    backdrop-filter: none;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.5rem; /* 稍微调大一点，因为它是页面上唯一的标志 */
    letter-spacing: -0.05em;
    color: #fff;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

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

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    background: rgba(0, 255, 157, 0.1);
}

h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.2rem;
    color: #aaa;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-desc strong {
    color: #fff;
}

/* Buttons */
.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn.primary {
    background-color: #fff;
    color: #000;
    border: 1px solid #fff;
}

.btn.primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn.secondary {
    background-color: transparent;
    color: #fff;
    border: 1px solid var(--border-color);
}

.btn.secondary:hover {
    border-color: #fff;
}

/* Value Section */
.value-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(20,20,20,0.5) 100%);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1.5rem;
}

.text-block p {
    margin-bottom: 1.5rem;
    color: #ccc;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.8rem;
    font-family: var(--font-mono);
    color: var(--primary-color);
}

.feature-list li::before {
    content: '>';
    position: absolute;
    left: 0;
}

/* Feature Image */
.image-wrapper {
    width: 100%;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.image-wrapper:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px -10px rgba(0, 255, 157, 0.1);
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Services Section */
.services-section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(20, 20, 20, 0.6);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    background: rgba(30, 30, 30, 0.8);
    box-shadow: 0 10px 30px -10px rgba(0, 255, 157, 0.1);
}

.card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.service-num {
    display: block;
    font-family: var(--font-mono);
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    color: #fff;
    line-height: 1.3;
}

.service-list {
    list-style: none;
    flex-grow: 1;
}

.service-list li {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 0.8rem;
    padding-left: 1rem;
    position: relative;
}

.service-list li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Why Us Section */
.why-us-section {
    padding: 8rem 0;
    background-color: rgba(10, 10, 10, 0.8);
}

.why-us-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.lead-text {
    font-size: 1.2rem;
    color: #e0e0e0;
    margin-bottom: 4rem;
    line-height: 1.8;
}

.feature-highlight {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 12px;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--secondary-color);
}

.feature-highlight h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.feature-highlight p {
    margin-bottom: 1.5rem;
    color: #ccc;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    text-align: center;
}

.cta-box {
    background: radial-gradient(circle at center, rgba(0, 255, 157, 0.1) 0%, transparent 70%);
    padding: 4rem 2rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.cta-box p {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-family: var(--font-mono);
    margin-bottom: 2.5rem;
}

.btn.large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .split-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .navbar {
        padding: 1rem;
    }
}