body{margin:0;}
/* 预约部分 */
.appointment {
    background: linear-gradient(rgba(26, 58, 95, 0.9), rgba(26, 58, 95, 0.9)), url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
  	overflow: hidden;
  	height: 890px;
}
.
.appointment h2 {
    color: white;
}

.appointment h2:after {
    background-color: white;
}

.appointment p {
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto 40px;
}

.appointment-form {
    max-width: 600px;
    margin: 0 auto 40px;
    background-color: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: calc(100% - 32px);
    padding: 12px 15px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    background-color: rgba(255,255,255,0.1);
    color: white;
    font-size: 1rem;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.7);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #4caf82;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 500;
}