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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #fafafa;
    color: #333;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 48px 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    font-size: 32px;
    font-weight: 600;
    color: #ff6600;
    margin-bottom: 6px;
}

.subtitle {
    font-size: 15px;
    color: #999;
}

main {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 16px;
    background: #fff;
    border-radius: 10px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.contact-item:active {
    background: #f8f8f8;
    transform: translateY(1px);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.contact-item svg {
    flex-shrink: 0;
    color: #ff6600;
    opacity: 0.9;
}

.contact-item span {
    font-size: 15px;
    color: #333;
}

.partnership {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding-top: 8px;
}

.tag {
    padding: 10px 18px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 20px;
    font-size: 14px;
    color: #666;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

@media (max-width: 375px) {
    .container {
        padding: 40px 16px;
    }
    
    .logo {
        font-size: 28px;
    }
}