/* === 1. Block: Contact Layout === */
.contact-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    margin-top: var(--space-xl);
}

/* === 2. Block: Contact Form === */
.contact-form__section {
    margin-bottom: var(--space-xl);
}

.contact-form__section-title {
    margin-bottom: var(--space-xs);
}

.contact-form__section-body {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
    min-width: 500px;
}

.contact-form__section-body > .contact-form__section-desc {
    flex: 1;
}

.contact-form__section-header {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.contact-form__section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text);
}

.contact-form__section-title svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.contact-form__section-title img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.contact-form__section-desc {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.8;
    padding-left: 32px;
}

/* === 3. Form Controls === */
.form-group {
    margin-bottom: var(--space-md);
    padding-left: 32px;
}

.form-group--inline {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-md);
    align-items: flex-end;
}

.form-group__col {
    flex: 1;
}

.form-group__col--captcha {
    display: flex;
    align-items: stretch;
}

.form-group__col--captcha .form-group__input {
    flex: 1;
    border-radius: 0;
    box-sizing: border-box;
}

.form-group--submit {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--space-lg);
}

.form-group__label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-xs);

}

.form-group__input {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.form-group__input:focus {
    border-bottom-color: var(--color-text);
}

.form-group__input::placeholder {
    color: var(--color-text-light);
}

/* 填充式输入框样式 */
.form-group__input--filled {
    background-color: #f5f5f5;
    border: none;
}

.form-group__input--filled:focus {
    outline: none;
    background-color: #eeeeee;
}

.form-group__row {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-sm);
    align-items: flex-end;
}

.form-group__row .form-group__input {
    flex: 1;
}

.form-group__captcha {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    background-color: rgb(234, 234, 234);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    width: 100px;
    flex-shrink: 0;
}

.form-group__captcha-img {
    width: 100%;
    height: 100%;
    display: block;
}

.form-group__textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px 0;
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.form-group__textarea:focus {
    border-bottom-color: var(--color-text);
}

.form-group__textarea::placeholder {
    color: var(--color-text-light);
}

/* 填充式文本域样式 */
.form-group__textarea--filled {
    background-color: #f5f5f5;
    border: none;
    padding: 14px 16px;
    min-height: 120px;
}

.form-group__textarea--filled:focus {
    outline: none;
    background-color: #eeeeee;
}

.form-group__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: #ffffff;
    background-color: rgb(40, 40, 40);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-group__submit:hover {
    background-color: rgb(0, 0, 0);
}

/* === 4. Contact Info === */
.contact-info {
    border-left: 1.5px solid #000000;
    padding-left: var(--space-lg);
}

.contact-info__section {
    padding-left: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.contact-info__section:has(.contact-info__dot) {
    padding-left: 14px;
}

.contact-info__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.contact-info__section-qrcode {
    display: flex;
}

.contact-info__title img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.contact-info__dot {
    width: 10px;
    height: 2px;
    background-color: var(--color-text);
    flex-shrink: 0;
    align-self: center;
}

.contact-info__item {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--space-2xs);
    line-height: var(--line-height-loose);
    padding-left: 14px;
}

.contact-info__item_workTime {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xs);
    line-height: var(--line-height-loose);
    padding-left: 14px;
}

.contact-info__qrcode {
    text-align: center;
    width: fit-content;
}

.contact-info__qrcode img {
    display: block;
    width: 150px;
    height: 150px;
    background-color: var(--color-bg-alt);
}

.contact-info__qrcode .qrcode-text {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

/* === 5. Contact Map === */
.contact-map {
    background-color: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
    margin-left: calc(-1 * (50vw - 50%));
    margin-right: calc(-1 * (50vw - 50%));
}

.contact-map__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Mobile Styles - Contact Page
   ============================================ */
@media (max-width: 768px) {
    /* 联系表单布局 - 单列堆叠 */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        margin-top: var(--space-lg);
        margin-bottom: var(--space-lg);
    }

    /* 管线调查表区域 */
    .contact-form__section {
        margin-bottom: var(--space-lg);
    }

    .contact-form__section-title {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-md);
    }

    .contact-form__section-title img {
        width: 20px;
        height: 20px;
    }

    .contact-form__section-body {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
        min-width: auto;
    }

    .contact-form__section-desc {
        padding-left: 28px;
        font-size: var(--font-size-base);
        line-height: 1.6;
        margin-bottom: 0;
    }

    /* 桌面端查看按钮 */
    .contact-form__download-btn--desktop {
        display: none;
    }

    /* 移动端提示 */
    .contact-form__mobile-hint {
        margin-left: 28px;
        display: flex;
        align-items: center;
        gap: var(--space-xs);
        font-size: var(--font-size-base);
        color: var(--color-text-secondary);
        margin-top: var(--space-md);
        padding-left: var(--space-xs);
        border: 1px solid var(--color-border-light);
    }

    .contact-form__mobile-hint-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background-color: var(--color-text-muted);
        color: var(--color-white);
        font-size: 12px;
        font-weight: var(--font-weight-bold);
        flex-shrink: 0;
    }

    /* 留言表单 */
    .form-group {
        padding-left: 0;
        margin-bottom: var(--space-md);
    }

    /* 手机号码和验证码区域 - 移动端垂直堆叠 */
    .form-group--inline {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: stretch;
    }

    .form-group--inline .form-group__col {
        flex: none;
        width: 100%;
    }

    /* 验证码区域 - 输入框和验证码并排 */
    .form-group__col--captcha {
        display: flex;
        flex-direction: row;
        align-items: stretch;
        gap: 0;
        width: 100%;
    }

    .form-group__col--captcha .form-group__input {
        flex: 1;
        border-radius: 0;
        box-sizing: border-box;
    }

    .form-group__label {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-xs);
        color: var(--color-text);
        margin-top: 10px;
        margin-left: 28px;
    }

    .form-group__input{
        width: 93%;
    }

    .form-group__textarea {
        width: 93%;
    }

    .form-group__input--filled {
        margin-left: 28px;
        font-size: var(--font-size-base);
    }

    .form-group__captcha {
        flex-shrink: 0;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .form-group__textarea--filled {
        margin-left: 28px;
        min-height: 100px;
        padding: 12px 14px;
    }

    .form-group--submit {
        justify-content: flex-end;
        margin-top: var(--space-md);
    }

    .form-group__submit {
        padding: 10px 32px;
        font-size: var(--font-size-base);
        min-width: 100px;
    }

    /* 联系方式区域 */
    .contact-info {
        border-left: none;
        padding-left: 0;
    }
    .contact-info__title {
        margin-left: 10px;
        font-size: var(--font-size-base);
        margin-bottom: var(--space-xs);
    }

    .contact-info__title img {
        width: 20px;
        height: 20px;
    }

    .contact-info__section {
        margin-bottom: var(--space-md);
    }

    .contact-info__section:has(.contact-info__dot) {
        padding-left: 24px;
    }

    .contact-info__dot {
        width: 8px;
        height: 2px;
    }

    .contact-info__item {
        margin-left: 10px;
        padding-left: 16px;
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-2xs);
    }

    .contact-info__item_workTime {
        padding-left: 25px;
        font-size: 12px;
    }

    /* 二维码区域 - 双列布局 */
    .contact-info__section-qrcode {
        display: flex;
        gap: var(--space-xs);
    }

    .contact-info__qrcode-list {
        padding-left: 24px;
        display: flex;
        gap: var(--space-xl);
        justify-content: flex-start;
    }

    .contact-info__qrcode-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-xs);
    }

    .contact-info__qrcode {
        width: 120px;
        height: 120px;
        margin-left: 15px;
    }

    .contact-info__qrcode img {
        display: block;
        width: 120px;
        height: 120px;
        background-color: var(--color-bg-alt);
    }

    .contact-info__qrcode .qrcode-text {
        color: var(--color-text);
        font-size: var(--font-size-xs);
    }

    .contact-info__qrcode-label {
        font-size: var(--font-size-xs);
        color: var(--color-text-secondary);
        text-align: center;
    }

    /* 地图区域 */
    .contact-map {
        margin: 0 calc(-1 * var(--container-padding));
        width: calc(100% + 2 * var(--container-padding));
    }

    .contact-map__image {
        height: auto;
    }
}

/* Desktop: Hide mobile-only elements */
@media (min-width: 769px) {
    .contact-form__mobile-hint {
        display: none;
    }

    .contact-info__qrcode-list {
        display: block;
    }

    .contact-info__qrcode-item {
        display: block;
    }

    .contact-info__qrcode-label {
        display: none;
    }
}