/* 使用hh-前缀避免类名冲突 (huahong的缩写) */
.hh-contact-section {
    padding: 120px 0 60px 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.hh-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 联系我们标题 */
.hh-contact-title {
    text-align: center;
    margin-bottom: 120px;
    position: relative;
}

.hh-contact-en-title {
    font-size: 80px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.05);
    letter-spacing: 2px;
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    text-transform: uppercase;
    white-space: nowrap;
}

.hh-contact-cn-title {
    font-size: 32px;
    font-weight: 600;
    color: #02a100;
    position: relative;
    display: inline-block;
    z-index: 2;
}

/* 联系信息与表单内容布局 */
.hh-contact-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

/* 联系信息样式 - 左侧 */
.hh-contact-info {
    flex: 0 0 calc(40% - 15px);
}

/* 联系信息项目纵向排列 */
.hh-info-items {
    display: flex;
    flex-direction: column;
    gap: 45px;
}

.hh-info-item {
    display: flex;
    align-items: center;
}

.hh-info-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    flex-shrink: 0;
}

.hh-info-icon svg {
    width: 100%;
    height: 100%;
    fill: #02a100;
}

.hh-info-content {
    display: flex;
    align-items: center;
}

.hh-info-label {
    font-size: 20px;
    color: #666;
    margin-right: 10px;
}

.hh-info-value {
    font-size: 20px;
    color: #333;
    font-weight: 500;
}

/* 联系表单样式 - 右侧 */
.hh-contact-form {
    flex: 0 0 calc(60% - 15px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 表单上半部分 - 横向布局 */
.hh-form-top {
    display: flex;
    gap: 20px;
    height: 200px; /* 固定高度 */
}

/* 左侧输入框区域 */
.hh-form-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 0 0 calc(50% - 10px);
}

/* 右侧消息区域 */
.hh-form-message {
    flex: 0 0 calc(50% - 10px);
    height: 100%;
}

/* 表单下半部分 - 提交按钮 */
.hh-form-bottom {
    display: flex;
    justify-content: flex-start;
}

/* 表单元素样式 */
.hh-form-control {
    width: 100%;
    padding: 12px 15px;
    border: none;
    background: #e9e9e9;
    font-size: 16px;
    color: #333;
}

.hh-form-control::placeholder {
    color: #666;
}

.hh-form-control:focus {
    outline: none;
}

/* 输入框样式 */
.hh-form-name, 
.hh-form-email {
    flex: 1;
    height: calc((100% - 20px) / 2); /* 平分高度减去间距 */
}

.hh-form-name input, 
.hh-form-email input {
    height: 100%;
}

/* 消息文本框样式 */
textarea.hh-form-control {
    height: 100%;
    resize: none;
}

/* 提交按钮样式 */
.hh-submit-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #02a100;
    color: #fff;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    min-width: 85px;
    text-align: center;
}

.hh-submit-btn:hover {
    background: #028500;
}

/* 底部导航 */
.hh-footer-nav {
    background: #ffffff;
    padding: 30px 0;
    max-width: 1600px;
    margin: 0 auto;
}

.hh-nav-links {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.hh-nav-item {
    flex: 1 1 auto;
    text-align: center;
    margin: 0;
}

.hh-nav-link {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.hh-nav-link:hover {
    color: #02a100;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hh-contact-info {
        flex: 0 0 calc(45% - 15px);
    }
    
    .hh-contact-form {
        flex: 0 0 calc(55% - 15px);
    }
}

@media (max-width: 768px) {
    .hh-contact-en-title {
        font-size: 60px;
        top: -15px;
    }
    
    .hh-contact-cn-title {
        font-size: 24px;
    }
    
    .hh-contact-content {
        flex-direction: column;
    }
    
    .hh-contact-info, 
    .hh-contact-form {
        flex: 0 0 100%;
    }

    .hh-info-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .hh-info-label {
        margin-right: 0;
        margin-bottom: 5