.book-section {
    max-width: 480px;
    margin: 2.5rem auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.09);
    padding: 2.2rem 1.5rem 1.5rem 1.5rem;
}

.book-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff9800;
    margin-bottom: 1.5rem;
    text-align: center;
}

.book-form label {
    font-weight: 600;
    margin-bottom: 0.3rem;
    display: block;
    color: #222;
}

.book-form input,
.book-form select,
.book-form textarea {
    width: 100%;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1.5px solid #e5e7eb;
    margin-bottom: 1.1rem;
    font-size: 1.05rem;
    background: #fffbe6;
    transition: border 0.2s;
}

.book-form input:focus,
.book-form select:focus,
.book-form textarea:focus {
    border-color: #ffb300;
    outline: none;
}

.book-form button {
    background: #ffb300;
    color: #222;
    padding: 12px 0;
    border-radius: 8px;
    font-weight: 700;
    border: none;
    width: 100%;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.book-form button:hover {
    background: #ff9800;
    color: #fff;
}

@media (max-width: 600px) {
    .book-section {
        padding: 1.2rem 0.5rem;
    }
}