body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f4f8;
    scroll-behavior: smooth;
}

.header {
    background: linear-gradient(90deg, #ff6f61, #ffca3a);
    color: #fff;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header h1 {
    margin: 0;
    font-size: 2em;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    animation: fadeIn 1s ease-in-out;
}

h2 {
    color: #ff6f61;
    border-bottom: 2px solid #ff6f61;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

p, ul li {
    color: #555;
    line-height: 1.8;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    margin-bottom: 10px;
    font-size: 16px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

input, textarea {
    margin-bottom: 20px;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
    transition: border-color 0.3s;
}

input:focus, textarea:focus {
    border-color: #ff6f61;
}

button.btn {
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    background-color: #ff6f61;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button.btn:hover {
    background-color: #ff3d3d;
}

button.back-to-top, .back-to-home {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    font-size: 16px;
    background: #ff6f61;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

button.back-to-top:hover, .btn-bottom button:hover {
    background: #ff3d3d;
}

.btn-bottom {
    display: flex;
    width: 70vw;
}

.btn-bottom a {
    text-decoration: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}