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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background: linear-gradient(to right, #74ebd5, #acb6e5);
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    font-size: 30px;
}

nav ul {
    list-style: none;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

.hero {
    text-align: center;
    padding: 100px 0;
    color: white;
    /* Thêm ảnh nền trong phần trang chủ */
    background-image: url('duong_dan_anh_cua_ban');
    background-size: cover;
    background-position: center;
}

.hero h2 {
    font-size: 48px;
}

.hero p {
    font-size: 20px;
}

.btn {
    background: #5a67d8;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
}

section {
    padding: 60px 0;
}

.social-media {
    margin-top: 20px;
    text-align: center;
}

.social-media a {
    margin: 0 10px;
}

.social-media img {
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.social-media img:hover {
    transform: scale(1.1);
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

img {
    display: block;
    margin: 20px auto;
    border-radius: 8px;
}