@media screen and (min-width: 768px) {
    /* 第一页样式 */
    .section-1 {
        padding: 150px 20px;
        color: white;
        text-align: left;
    }

    .contact-form {
        max-width: 800px;
        margin: 0 auto;
        padding: 30px;
        border-radius: 8px;
    }

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

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: bold;
        color: #fff;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group textarea {
        width: 100%;
        padding: 12px;
        border: none;
        border-radius: 4px;
        background-color: #fff;
        color: #333;
        font-size: 16px;
        box-sizing: border-box;
    }

    .form-group textarea {
        resize: vertical;
    }

    .form-row {
        display: flex;
        gap: 20px;
    }

    .form-row .form-group.half {
        flex: 1;
    }

    .submit-btn {
        width: 250px;
        background-color: #1e2460;
        color: white;
        border: none;
        border-top-right-radius:24px;
        border-bottom-left-radius: 24px;
        padding: 14px 24px;
        font-size: 24px;
        font-weight: 600;
        line-height: 100%;
        transition: background-color 0.3s ease;
    }

    .submit-btn:hover {
        background-color: #0056b3;
    }

    .contact-info {
        max-width: 800px;
        margin: 20px auto 0 auto; /* 距离表单20px，左右自动居中 */
        padding: 0 30px; /* 与表单内边距对齐 */
        line-height: 1.5; /* 行间距1.5 */
    }
    .contact-info h3 {
        margin-bottom: 20px;
    }
    .contact-info p {
        color: #ffffff;
        font-size: 16px;
        margin: 0 0 10px 0; /* 每个p标签底部间距10px */
        transition: all 0.3s ease; /* 添加过渡效果 */
    }

    .contact-info p:hover {
        transform: scale(1.05);
        color: #0056b3;
        transform-origin: left center; 
    }



    .section-2 {
        padding: 80px 20px;
        color: white;
    }

    .contacts-title {
        text-align: left;
        margin-bottom: 40px;
        width: 20%;
    }

    .contacts-title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
        text-align: center;
        color: white;
    }

    .title-line {
        width: 100%;
        height: 8px;
        background-color: #1e2460;
        border-radius: 4px;
    }

    .contact-cards {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
    }

    .contact-card {
        flex: 1;
        min-width: 300px;
        background-color: rgba(0, 0, 0, 0.5);
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease;
    }

    .contact-card:hover {
        transform: translateY(-5px);
    }

    .card-image {
        height: 400px;
        background-size: cover;
        background-position: center;
    }

    .card-content {
        padding: 20px;
        color: white;
    }

    .card-content h3 {
        font-size: 18px;
        margin-bottom: 15px;
        color: white;
    }

    .card-content p {
        font-size: 14px;
        line-height: 1.5;
        margin: 5px 0;
        color: #ccc;
    }


    .section-3 {
        padding: 80px 20px;
        color: white;
    }

    .section-3 .contacts-title {
        text-align: left;
        margin-bottom: 40px;
        width: 20%;
    }

    .section-3 .contacts-title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
        text-align: center;
        color: white;
    }

    .section-3 .title-line {
        width: 100%;
        height: 8px;
        background-color: #1e2460;
        border-radius: 4px;
    }

    .section-3 .contact-cards {
        display: flex;
        justify-content: flex-start;
        gap: 20px;
    }

    .section-3 .contact-cards.single-card {
        justify-content: flex-start;
    }

    .section-3 .contact-card {
        flex: 1;
        min-width: 300px;
        max-width: 400px;
        background-color: rgba(0, 0, 0, 0.5);
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease;
    }

    .section-3 .contact-card:hover {
        transform: translateY(-5px);
    }

    .section-3 .card-image {
        height: 400px;
        background-size: cover;
        background-position: center;
    }

    .section-3 .card-content {
        padding: 20px;
        color: white;
    }

    .section-3 .card-content h3 {
        font-size: 18px;
        margin-bottom: 15px;
        color: white;
    }

    .section-3 .card-content p {
        font-size: 14px;
        line-height: 1.5;
        margin: 5px 0;
        color: #ccc;
    }

}