body {
    font-family: "Microsoft YaHei", sans-serif;
    scroll-behavior: smooth;
}
.container-fluid {
    padding: 0 !important;
}
section {
    padding: 80px 0;
}

.hero {
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    text-align: center;
    padding: 150px 20px;
}

    .hero h1 {
        font-size: 3rem;
        font-weight: 700;
    }

.icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

footer {
    background-color: #212529;
    color: #bbb;
    text-align: center;
    padding: 40px 0;
}