.section-title-en {
    font-size: 24px;
    color: rgba(53, 144, 107, 1);
    /* 深绿色 */
    text-transform: uppercase;
    margin-bottom: 15px;
    font-weight: normal;
    line-height: 1;
}

.section-title-cn {
    font-size: 18px;
    color: rgba(53, 144, 107, 1);
    font-weight: normal;
    /* margin-bottom: 20px; */
    line-height: 1;
}

/* =========================================
   第一部分：关于我们 (About Section)
   ========================================= */
.about-section {
    background-color: #fff;
    padding: 77px 0;
}

.about-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.about-text-content {
    flex: 1;
    padding-right: 20px;
}

.about-slogan {
    font-size: 18px;
    font-weight: bold;
    color: #222;
    margin: 30px 0 19px;
}

.about-description {
    font-size: 14px;
    color: #555;
    text-align: justify;
    /* 两端对齐 */
    line-height: 30px;
}

.about-image-wrapper {
    flex: 0 0 40%;
    /* 占右侧约45%宽度 */
    display: flex;
    justify-content: flex-end;
}

.about-img {
    max-width: 100%;
    height: auto;
}

/* =========================================
   第二部分：联系我们 (Contact Section)
   ========================================= */
.contact-section {
    background-color: rgba(248, 249, 251, 1);
    /* 浅灰背景 */
    padding: 66px 0 100px;
}

/* 联系信息头部网格布局 */
.contact-info-header {
    display: flex;
    justify-content: space-between;
    /* align-items: flex-start; */
    margin-bottom: 65px;
}

.contact-col {
    position: relative;
    flex: 1;
    padding-bottom: 47px;
}

.contact-col:not(:last-child):before {
    content: "";
    /* border-right: 1px solid; */
    position: absolute;
    right: 0;
    bottom: 0;
    width: 1px;
    height: 183px;
    background: rgba(238, 238, 238, 1);
}

/* 第一列：地址列表 */
.address-col {
    padding-right: 20px;
}

.contact-details-list {
    margin-top: 20px
}

.detail-item {
    font-weight: 400;
    font-size: 14px;
    color: #999999;
    line-height: 36px;
}

/* 栏目标题 */
.col-title {
    color: rgba(53, 144, 107, 1);
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 27px;
}

/* 第二列：热线 */
.hotline-col {
    padding-left: 20px;
    padding-right: 20px;
    /* 让这列的内容稍微靠中间一点 */
    padding-top: 37px;
    /* 对齐视觉高度 */
    display: flex;
    justify-content: center;
}

.hotline-number-wrapper {
    display: flex;
    align-items: center;
    color: rgba(53, 144, 107, 1);
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 18px;
}

.phone-icon {
    margin-right: 10px;
    font-size: 18px;
    border: 1px solid rgba(53, 144, 107, 1);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-text {
    color: rgba(53, 144, 107, 1);
    font-size: 18px;
    font-weight: bold;
}

/* 第三列：二维码 */
.qr-col {
    padding-top: 37px;
    /* 对齐视觉高度 */
    display: flex;
    /* flex-direction: column; */
    justify-content: center;
}

.qr-codes-wrapper {
    display: flex;
    gap: 70px;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-img {
    width: 72px;
    height: 72px;
    margin-bottom: 10px;
    /* border: 1px solid #eee; */
}

.qr-label {
    color: rgba(153, 153, 153, 1);
    font-size: 14px;
}

/* =========================================
   表单区域样式
   ========================================= */
.contact-form {
    background-color: #fff;
    padding: 40px;
    /* 如果需要白色背景块包裹表单，可以加这个，原图看起来是直接在灰色背景上 */
    /* 根据原图，输入框背景是白色的，整体背景是灰色的，所以这里去掉padding和背景色，让输入框直接浮在灰色上 */
    background-color: transparent;
    padding: 0;
}

.form-row {
    margin-bottom: 30px;
    width: 100%;
}

/* 三列输入框布局 */
.three-cols {
    display: flex;
    gap: 60px;
}

/* 输入框通用样式 */
.form-input, .form-textarea {
    width: 100%;
    background-color: #fff;
    border: 1px solid rgba(229, 229, 229, 1);
    padding: 11px 15px;
    font-size: 14px;
    color: #333;
    outline: none;
    transition: border-color 0.3s;
    border-radius: 2px;
}
.form-input::placeholder, .form-textarea::placeholder{
    font-family: Microsoft YaHei;
    color:rgba(153, 153, 153, 1);
}
.form-input:focus, .form-textarea:focus {
    border-color: rgba(53, 144, 107, 1);
}

.form-textarea {
    height: 211px;
    resize: none;
    /* 禁止拖动大小 */
}

/* 验证码行 */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 20px;
}

.captcha-input {
    width: 168px;
    /* 强制宽度 */
    flex: none;
}

.captcha-image {
    width: 120px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.captcha-image img{
    max-width: 100%;
    max-height: 100%;
}
/* 提交按钮 */
.submit-btn {
    background-color: #3f8f6b;
    /* 按钮的绿色稍微不同 */
    color: white;
    border: none;
    padding: 11px 58px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 2px;
    transition: background-color 0.3s;
    letter-spacing: 2px;
}

.submit-btn:hover {
    background-color: #2e6b50;
}
@media (max-width:1199px) {
    .contact-section{
        padding-bottom: 80px;
    }
    .contact-info-header{
        margin-bottom: 50px;
    }
}
@media (max-width:1024px) {
    .about-container{
        gap: 30px;
    }
     .contact-info-header{
        margin-bottom: 45px;
    }
    .about-section {
        padding: 70px 0;
    }
    .contact-section{
        padding-bottom: 70px;
    }
    .about-container{
        flex-direction: column;
    }
    .about-image-wrapper{
        flex: none;
        width: 100%;
        justify-content: center;
    }
    .contact-info-header{
        flex-wrap: wrap;
    }
    .contact-col{
        width: 50%;
        flex: none;
        padding-bottom: 0;
    }
    .contact-col:last-child{
        width: 100%;
    }
    .contact-col:not(:last-child):before{
        display: none;
    }
    .col-title{
        margin-bottom: 17px;
    }
    .contact-details-list{
        margin-top: 10px;
    }
    .three-cols{
        gap: 30px;
    }
}
@media (max-width:768px) {
    .form-row{
        margin-bottom: 20px;
    }
    .three-cols{
        gap: 20px;
    }
    .about-container{
        gap: 25px;
    }
     .contact-info-header{
        margin-bottom: 35px;
    }
    .about-section {
        padding: 60px 0;
    }
    .contact-section{
        padding:60px 0px;
    }
    .contact-col{
        width: 100%;
    }
    .form-row:not(.captcha-row){
        flex-direction: column;
    }
}
@media (max-width:500px) {
    .about-slogan{
        margin: 20px 0 10px;
    }
    .section-title-en{
        font-size: 22px;
    }
     .contact-info-header{
        margin-bottom: 30px;
    }
    .about-section {
        padding: 50px 0;
    }
    .contact-section{
        padding:50px 0px;
    }
}