/* 上为信息官网样式 - 科技感主题 */

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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --bg-dark: #0a0a0a;
    --bg-card: rgba(20, 20, 30, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-en: #666666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 动态背景 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0a 0%, #0d1b2a 50%, #0a0a0a 100%);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 153, 204, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 顶部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 40px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
}

.logo-svg {
    width: 100%;
    height: 100%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.brand {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.brand-en {
    font-size: 12px;
    color: var(--text-en);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 主内容区 */
.main-content {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

/* Hero区域 */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

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

.title-cn {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-en {
    display: block;
    font-size: 18px;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

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

.hero-desc-en {
    font-size: 14px;
    color: var(--text-en);
    font-style: italic;
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
    padding-top: 40px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
}

.section-en {
    font-size: 16px;
    color: var(--text-en);
    font-weight: 400;
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: scan 3s linear infinite;
}

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

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.icon-svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.service-title-en {
    font-size: 12px;
    color: var(--text-en);
    margin-bottom: 15px;
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

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

/* 关于我们 */
.about {
    margin-bottom: 60px;
}

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

.about-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-text-en {
    font-size: 14px;
    color: var(--text-en);
    line-height: 1.6;
}

/* 联系方式 */
.contact {
    margin-bottom: 80px;
}

.contact-placeholder {
    text-align: center;
    padding: 60px 40px;
    background: var(--bg-card);
    border: 1px dashed rgba(0, 212, 255, 0.3);
    border-radius: 12px;
}

.contact-placeholder p {
    font-size: 16px;
    color: var(--text-secondary);
}

.contact-en {
    font-size: 14px;
    color: var(--text-en);
    margin-top: 10px;
}

/* 底部备案 */
.footer {
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 30px 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.company-info {
    margin-bottom: 15px;
}

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

.beian {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.beian-link {
    font-size: 12px;
    color: var(--text-en);
    text-decoration: none;
    transition: color 0.3s;
}

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

.beian-divider {
    color: var(--text-en);
}

.police-beian {
    display: flex;
    align-items: center;
    gap: 5px;
}

.police-icon {
    width: 16px;
    height: 16px;
}

/* 响应式 */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }
    
    .main-content {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .title-cn {
        font-size: 28px;
    }
    
    .title-en {
        font-size: 14px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .beian {
        flex-direction: column;
        gap: 10px;
    }
}