/* OpenClaw 中文版 - 样式文件 */
:root {
    --primary: #00D4AA;
    --primary-dark: #00B894;
    --secondary: #6C5CE7;
    --accent: #FF6B6B;
    --dark: #1A1A2E;
    --dark-light: #16213E;
    --text: #FFFFFF;
    --text-muted: #A0A0B0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
}

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

/* Header */
header {
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
}

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

.btn {
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.btn-wechat {
    background: #07C160;
    color: white;
}

/* Hero */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-text h1 {
    font-size: 52px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Trust Section */
.trust-section {
    padding: 40px 0;
    background: var(--dark-light);
}

.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
}

.trust-badge-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

/* Features */
.features, .use-cases, .advantages, .testimonials {
    padding: 60px 0;
}

.features {
    background: var(--dark-light);
}

.use-cases {
    background: var(--dark-light);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 18px;
}

.features-grid, .use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card, .use-case-card {
    background: var(--dark);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.feature-card:hover, .use-case-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card h3, .use-case-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-card p, .use-case-card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Comparison */
.comparison {
    padding: 60px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
}

.comparison-table th, .comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.check-icon { color: var(--primary); }
.cross-icon { color: var(--accent); }
.highlight-row { background: rgba(0, 212, 170, 0.05); }

/* Advantages */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--dark-light);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

.advantage-check {
    width: 28px;
    height: 28px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--dark);
    font-weight: bold;
    font-size: 14px;
}

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

.testimonial-card {
    background: var(--dark-light);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

.testimonial-text {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
    color: var(--text-muted);
}

/* WeChat & CTA */
.wechat-section, .cta {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--dark-light) 0%, var(--dark) 100%);
}

.wechat-card {
    background: var(--dark-light);
    max-width: 400px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(7, 193, 96, 0.3);
}

.wechat-qr {
    width: 180px;
    height: 180px;
    background: white;
    border-radius: 16px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

/* Footer */
footer {
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 { font-size: 32px; }
    .hero-buttons { justify-content: center; }
    .features-grid, .use-cases-grid, .testimonials-grid, .advantages-grid {
        grid-template-columns: 1fr;
    }
    .trust-badges { gap: 20px; }
}