/* =========  联系我们  ========= */
body {
    background: rgb(247, 249, 252);
}

.contact-section {
    padding: 30px 0px;
    /* 调整整体高度 */
}

.contact-containerbox {
    display: flex;
    background: white;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    /* 调整阴影 */

    /* 限制最大宽度 */
    margin: 0 auto;
}

.contact-info {
    flex: 1;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 40px;
    /* 调整内边距 */
}

.contact-info h2 {
    font-size: 2.1rem;
    /* 调整标题大小 */
    margin-bottom: 15px;
}

.contact-info p {
    font-size: 19px;
    margin-bottom: 20px;
    opacity: 0.9;
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    /* 调整间距 */
}

.contact-icon {
    width: 50px;
    /* 调整图标大小 */
    height: 50px;
    margin-right: 10px;
    margin-top: 2px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}


.contact-icon .icon-img {
    width: 50px;
    height: 50px;
}

.contactbox-text h2 {
    margin-top: 5px;
    font-size: 1.5rem !important;
    /* 调整文本大小 */
    margin-bottom: 5px;
}

.contactbox-text p {
   margin: 0 !important;
}

.contact-form {
    flex: 1;
    padding: 40px;
    /* 调整内边距 */
}

.form-title {
    font-size: 1.5rem;
    color: #1a365d;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
    /* 调整间距 */
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #2d3748;
}

.required::after {
    content: "*";
    color: #e53e3e;
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    /* 调整输入框内边距 */
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9rem;
    /* 调整字体大小 */
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
}

textarea.form-control {
    min-height: 100px;
    /* 调整最小高度 */
    resize: vertical;
}

.submit-btn {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    /* 调整按钮内边距 */
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(6, 153, 225, 0.4);
}

/* ===== 面包屑导航 ===== */
.breadcrumb-nav {

    width: 100%;
    background: rgb(247, 249, 252);
    position: relative;
    z-index: 10;
    color: #000;
    /* 默认文本颜色，未选中项为黑色 */
}

.breadcrumb-inner {
    margin-top: 130px;

    margin-left: 10%;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: #000;
    /* 未选中项为黑色 */
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item:hover,
.breadcrumb-item:focus {
    color: #1a73e8;
    /* 移入时变为蓝色 */
    outline: none;
    text-decoration: none;
}

.breadcrumb-current {
    text-decoration: none;
    color: #1a73e8;
    /* 当前项为蓝色 */
    font-weight: 500;
    white-space: nowrap;
    /* 也可加 aria-current="page" 语义在 HTML 中已设置 */
}

.breadcrumb-separator {
    color: #999;
    user-select: none;
    line-height: 1;
}

/* ===== 移动端适配 ===== */
@media (max-width: 767px) {
    .contact-containerbox {
        flex-direction: column;
    }

    .contact-info {
        padding: 25px 20px;
    }

    .contact-info h2 {
        font-size: 1.8rem;
        text-align: center;
    }

    .contact-info p {
        font-size: 16px;
        text-align: center;
        line-height: 1.6;
    }

    .contact-item {
        margin-bottom: 20px;
    }

    .contact-icon {
        width: 44px;
        height: 44px;
        margin-right: 12px;
    }

    .contact-icon .icon-img {
        width: 24px;
        height: 24px;
    }

    .contactbox-text h2 {
        font-size: 1.3rem;
    }

    .contactbox-text p {
        font-size: 14px;
        text-align: left;
    }

    .contact-form {
        padding: 25px 20px;
    }

    .form-title {
        font-size: 1.3rem;
    }

    .form-group label {
        font-size: 14px;
    }

    .form-control {
        padding: 12px;
        font-size: 16px;
    }

    textarea.form-control {
        min-height: 120px;
    }

    .submit-btn {
        padding: 14px 25px;
    }

    .breadcrumb-inner {
        margin-top: 0;
        margin-left: 5%;
        margin-right: 5%;
        font-size: 1rem;
        gap: 6px;
    }

    .breadcrumb-item,
    .breadcrumb-current,
    .breadcrumb-separator {
        font-size: 14px;
    }
}