.contact-us-page {
    margin: 0;
    padding: 0;
    font-family: 'AlibabaPuHuiTi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
}

.contact-container {
    max-width: 90rem;
    margin: 0 auto;
}

.contact-hero-banner {
    width: 100%;
    height: 49rem;
    max-height: 49rem;
    position: relative;
    overflow: hidden;
}

.contact-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.contact-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.contact-banner-content {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: white;
}

.contact-banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    color: white;
}

.contact-content-section {
    padding: 3rem 0 4rem;
    background-color: white;
}

.contact-layout {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    align-items: flex-start;
}

.contact-info-side {
    flex: 1.2;
}

.contact-form-side {
    flex: 0.85;
}

.contact-section-title {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #B32A28;
    text-transform: uppercase;
    margin-bottom: 3rem;
    text-align: left;
    line-height: 1.2;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-top: 0;
}

.contact-main-office {
    grid-column: 1 / -1;
}

.contact-regional-offices {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.contact-info-box {
    background: #ffffff;
    border: 0.0625rem solid #e0e0e0;
    box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.contact-main-office {
    min-height: 20rem;
}

.contact-info-box h3 {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-weight: 500;
    font-size: 1.5rem;
    color: #333;
    margin: 0;
    line-height: 1.3;
    text-align: center;
    padding: 3.125rem 0 3.125rem 0;
}

.contact-main-office h3 {
    font-size: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 3.125rem;
    font-size: 1.25rem;
    line-height: 1.5;
    padding: 0 2rem;
}


.contact-detail:last-child {
    margin-bottom: 0;
    padding-bottom: 3.125rem;
}

.contact-main-office .contact-detail {
    font-size: 1.25rem;
    /* margin-bottom: 3.125rem; */
}

.contact-detail i {
    color: #B32A28;
    margin-right: 0.875rem;
    margin-top: 0.2rem;
    font-size: 1.5rem;
    width: 1.2rem;
    flex-shrink: 0;
}

.contact-detail span {
    color: #555;
    flex: 1;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-weight: 300;
    font-size: 1.25rem;
    line-height: 1.5;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    color: #555;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-weight: 300;
    font-size: 1.25rem;
    line-height: 1.5;
}

.contact-main-office .contact-item {
    font-size: 1.25rem;
}

.contact-detail a,
.contact-item a {
    color: #555;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-detail a:hover,
.contact-item a:hover {
    color: #B32A28;
    text-decoration: underline;
}

.contact-form-container {
    background: #ffffff;
    min-height: 48rem;
}

.contact-form-header {
    margin-bottom: 2rem;
}

.contact-form-subtitle {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.625rem;
    color: #333;
    margin: 0 0 1rem 0;
    font-weight: 500;
    line-height: 1.3;
}

.contact-form-intro {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-form-intro-icon {
    color: #B32A28;
    font-size: 3.25rem;
    margin-right: 1.5rem;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.contact-form-intro-text {
    flex: 1;
}

.contact-required-note {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    font-weight: 400;
    color: #666;
    line-height: 1.4;
}

.contact-enquiry-about {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    color: #333;
    font-weight: 500;
    line-height: 1.4;
}

.contact-required {
    color: #D32F2F;
    margin-left: 0.25rem;
}

.contact-enquiry-type {
    width: 100%;
    padding: 1.2rem;
    border: 0.0625rem solid #ccc;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    font-weight: 400;
    transition: border-color 0.3s;
    box-sizing: border-box;
    background: #ffffff;
    min-height: 3.5rem;
    color: #333;
    line-height: 1.2;
}

.contact-enquiry-type:focus {
    outline: none;
    border-color: #B32A28;
    box-shadow: 0 0 0.1875rem rgba(179, 42, 40, 0.3);
}

.contact-form-group {
    width: 100%;
    margin-bottom: 2.25rem;
}

.contact-full-width {
    width: 100%;
}

.contact-form-group label {
    display: flex;
    align-items: flex-start;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 500;
}

.contact-form-group label i {
    color: #B32A28;
    margin-right: 1rem;
    font-size: 1.5rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.contact-form-group input,
.contact-form-group select,
.contact-form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 0.0625rem solid #ccc;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    font-weight: 400;
    transition: border-color 0.3s;
    box-sizing: border-box;
    background: #ffffff;
    min-height: 3.5rem;
}

.contact-form-group input::placeholder {
    color: #999;
    font-style: italic;
}

.contact-form-group input:focus,
.contact-form-group select:focus,
.contact-form-group textarea:focus {
    outline: none;
    border-color: #B32A28;
    box-shadow: 0 0 0.1875rem rgba(179, 42, 40, 0.3);
}

.contact-form-group textarea {
    height: 24.5rem;
    resize: vertical;
    min-height: 8rem;
}

.contact-submit-btn {
    background: #B32A28;
    color: white;
    padding: 1.2rem 4rem;
    border: none;
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 1.4375rem;
    font-weight: 400;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 2.5rem;
    width: auto;
    min-width: 12rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.contact-submit-btn:hover {
    background: #9A2423;
}

@media (max-width: 48rem) {
    .contact-hero-banner {
        height: 60vw;
        max-height: 60vw;
    }
    
    /* .contact-banner-content {
        bottom: 6vw;
    } */
    
    .contact-banner-title {
        font-size: 6vw;
    }
    
    .contact-content-section {
        padding: 8vw 0;
    }
    
    .contact-layout {
        flex-direction: column;
        gap: 8vw;
    }
    
    .contact-info-side {
        order: 2;
    }
    
    .contact-form-side {
        order: 1;
    }
    
    .contact-section-title {
        font-size: 5vw;
        margin-bottom: 6vw;
        text-align: center;
        line-height: 1.2;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 4vw;
    }
    
    .contact-regional-offices {
        grid-template-columns: 1fr;
        gap: 4vw;
    }
    
    .contact-info-box {
        padding: 4vw;
        margin-bottom: 0;
    }
    
    .contact-info-box h3 {
        font-size: 4.5vw;
        margin-bottom: 4vw;
    }
    
    .contact-detail {
        font-size: 3.5vw;
        margin-bottom: 3vw;
    }
    
    .contact-detail i {
        font-size: 4vw;
        margin-right: 5vw;
        margin-top: 1vw;
    }

    .contact-detail span {
        font-size: 3.5vw;
    }

    .contact-main-office .contact-item {
        font-size: 3.5vw;
    }
    
    .contact-item {
        font-size: 3.5vw;
    }
    
    .contact-form-container {
        padding: 0;
        min-height: auto;
    }
    
    .contact-form-subtitle {
        font-size: 4.5vw;
        margin-bottom: 4vw;
    }
    
    .contact-form-intro {
        margin-bottom: 4vw;
    }
    
    .contact-form-intro-icon {
        font-size: 8vw;
        margin-right: 3vw;
    }
    
    .contact-required-note,
    .contact-enquiry-about {
        font-size: 3.5vw;
    }
    
    .contact-enquiry-type {
        font-size: 3.5vw;
        padding: 3vw;
        min-height: 12vw;
    }
    
    .contact-form-group {
        margin-bottom: 4vw;
    }
    
    .contact-form-group label {
        font-size: 3.5vw;
        margin-bottom: 2vw;
    }
    
    .contact-form-group label i {
        font-size: 4vw;
        margin-right: 3vw;
    }
    
    .contact-form-group input,
    .contact-form-group select,
    .contact-form-group textarea {
        font-size: 3.5vw;
        padding: 3vw;
        min-height: 12vw;
    }
    
    .contact-form-group textarea {
        height: 24vw;
        min-height: 24vw;
    }
    
    .contact-submit-btn {
        width: 100%;
        font-size: 3.5vw;
        padding: 4vw;
        margin-top: 4vw;
        margin-left: 0;
        margin-right: 0;
    }
}

/* ── Single-column layout overrides ──
   不改 max-width，沿用 .contact-container 原有的 max-width: 90rem + margin: 0 auto
   只做结构性调整，不新增横向 padding（由原有 contact-info-box 内部 padding 控制间距）
*/
.contact-single-col .contact-main-office {
    grid-column: auto;
    min-height: unset;
    margin-bottom: 0;
}

/* h3 左对齐，收紧顶部内边距 */
.contact-single-col .contact-info-box h3 {
    text-align: left;
    padding: 2rem 2rem 1.5rem;
}

.contact-form-below {
    flex: none !important;
    width: 100%;
    margin-top: 5rem;
}

.contact-form-below .contact-section-title {
    margin-top: 0;
}

/* WhatsApp FA 图标 — 覆盖父级红色，改为品牌绿 */
.contact-whatsapp-icon {
    color: #25D366 !important;
}

/* ── 移动端补丁（仅修正单列模式特有问题，版心宽度由原有 mobile CSS 控制）── */
@media (max-width: 48rem) {
    /* h3 字号和内边距跟随移动端比例 */
    .contact-single-col .contact-info-box h3 {
        font-size: 4.5vw;
        padding: 5vw 4vw 3vw;
        text-align: left;
    }

    /* 地址行图标顶部对齐（多行文字场景） */
    .contact-single-col .contact-detail {
        align-items: flex-start;
    }

    /* 移动端 WhatsApp SVG 图标 — 完全对齐 FA 图标（font-size:4vw; margin-right:5vw）*/
    .contact-whatsapp-icon {
        width: 4vw !important;
        height: 4vw !important;
        margin-right: 5vw !important;
        margin-top: 1vw !important;
        flex-shrink: 0;
    }

    .contact-form-below {
        margin-top: 6vw;
    }

    .contact-form-below .contact-section-title {
        text-align: left;
        margin-bottom: 4vw;
    }
}