body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.8;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
}

.navbar {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%) !important;
    transition: all 0.3s ease;
}

.navbar:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.social-share {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    border-top: 1px solid #eee;
}

.social-share a {
    transition: all 0.3s ease;
}

.social-share a:hover {
    transform: scale(1.1);
}
section {
    padding: 60px 0;
}
.card {
    transition: transform 0.3s;
}
.card:hover {
    transform: translateY(-5px);
}
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    padding: 2rem 0;
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
}

header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.card, .service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.card:hover, .service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    background: rgba(13, 110, 253, 0.9);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background: rgba(11, 94, 215, 0.9);
    transform: scale(1.1);
}
.service-card {
    transition: transform 0.3s;
    border-radius: 8px;
}
.service-card:hover {
    transform: translateY(-5px);
}