/* 联系我们页面样式 */
.contactus-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.contactus-container {
    width: 100%;
}

.contactus-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 10px;
    color: #333;
}

.contactus-sub-title {
    text-align: center;
    font-size: 20px;
    color: #666;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.contactus-sub-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: #3498db; /* 海军蓝 */
}

/* 联系方式卡片样式 */
.contact-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-card {
    flex: 1 1 300px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.contact-card-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #3498db; /* 海军蓝 */
    text-align: left;
    position: relative;
    padding-bottom: 15px;
    font-weight: 400;
}

.contact-info {
    color: #555;
    line-height: 1.6;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info p i {
    margin-right: 10px;
    color: #000080;
    font-size: 18px;
    width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 图标样式 */
.icon-person-dark, .icon-phone-dark, .icon-email-dark, .icon-address-dark {
    display: inline-flex;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
    align-items: center;
}

.icon-person-dark::before {
    content: '';
    background-image: url('../images/icons/person-dark.svg');
    background-size: contain;
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    top: -1px;
}

.icon-phone-dark::before {
    content: '';
    background-image: url('../images/icons/phone-dark.svg');
    background-size: contain;
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    top: -1px;
}

.icon-email-dark::before {
    content: '';
    background-image: url('../images/icons/email-dark.svg');
    background-size: contain;
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    top: -1px;
}

.icon-address-dark::before {
    content: '';
    background-image: url('../images/icons/address-dark.svg');
    background-size: contain;
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    top: -1px;
}

/* 在线留言表单样式 */
.message-form-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 40px;
}

.message-form-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #3498db; /* 海军蓝 */
    text-align: left;
    position: relative;
    padding-bottom: 15px;
    font-weight: 400;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #000080;
    outline: none;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

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

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

.form-hint {
    font-size: 14px;
    color: #888;
    margin-top: 5px;
}

.submit-btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.8px;
    border: none;
}

.submit-btn:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(52, 152, 219, 0.4);
    color: white;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-cards {
        flex-direction: column;
    }
    
    .contact-card {
        margin-bottom: 30px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 768px) {
    .contactus-section {
        padding: 40px 15px;
    }
    
    .contactus-title {
        font-size: 28px;
    }
    
    .contactus-sub-title {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .contact-card-title,
    .message-form-title {
        font-size: 20px;
    }
    
    .message-form-container {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .contactus-section {
        padding: 30px 10px;
    }
    
    .contactus-title {
        font-size: 24px;
    }
    
    .contact-card,
    .message-form-container {
        padding: 20px;
    }
    
    .submit-btn {
        width: 100%;
    }
}