/* ============================================
   Contact Page Styles - Zhongyou Heavy Industry
   ============================================ */

/* ============ Scroll Reveal ============ */
.zhongyou-contact-reveal {
    opacity: 0;
    -webkit-transform: translateY(40px);
    transform: translateY(40px);
    -webkit-transition: opacity 0.8s ease-out, -webkit-transform 0.8s ease-out;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, -webkit-transform 0.8s ease-out;
}

.zhongyou-contact-reveal.zhongyou-contact-visible {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.zhongyou-contact-reveal-delay-1 { -webkit-transition-delay: 0.1s; transition-delay: 0.1s; }
.zhongyou-contact-reveal-delay-2 { -webkit-transition-delay: 0.2s; transition-delay: 0.2s; }
.zhongyou-contact-reveal-delay-3 { -webkit-transition-delay: 0.3s; transition-delay: 0.3s; }

/* ============ Section Base ============ */
.zhongyou-contact-section {
    padding: 90px 0;
    position: relative;
    background: var(--zhongyou-color-bg-section);
}

.zhongyou-contact-section-alt {
    background: var(--zhongyou-color-bg-light);
}

.zhongyou-contact-section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.zhongyou-contact-tag {
    display: inline-block;
    background: rgba(232, 97, 26, 0.1);
    color: var(--zhongyou-color-accent-dark);
    padding: 6px 16px;
    border-radius: var(--zhongyou-radius-full);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.zhongyou-contact-title {
    font-size: 36px;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.zhongyou-contact-desc {
    color: var(--zhongyou-color-text-muted);
    font-size: 16px;
    line-height: 1.7;
}

/* ============ Page Hero（背景图自适应：按原比例铺满，只裁不拉伸） ============ */
.zhongyou-contact-hero {
    position: relative;
    /* 高度随视口自适应（320px ~ 480px），横幅图不会被强行拉满裁掉主体 */
    min-height: 320px;
    min-height: clamp(320px, 32vw, 480px);
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    text-align: center;
    padding: 120px 0 70px;
    overflow: hidden;
}

.zhongyou-contact-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-transform: scale(1.01);
    transform: scale(1.01);
    -webkit-animation: zhongyou-contact-zoom 18s ease-in-out infinite alternate;
    animation: zhongyou-contact-zoom 18s ease-in-out infinite alternate;
}

@-webkit-keyframes zhongyou-contact-zoom {
    from { -webkit-transform: scale(1.01); transform: scale(1.01); }
    to { -webkit-transform: scale(1.05); transform: scale(1.05); }
}

@keyframes zhongyou-contact-zoom {
    from { -webkit-transform: scale(1.01); transform: scale(1.01); }
    to { -webkit-transform: scale(1.05); transform: scale(1.05); }
}

.zhongyou-contact-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 29, 53, 0.92) 0%, rgba(11, 29, 53, 0.78) 50%, rgba(232, 97, 26, 0.25) 100%);
}

.zhongyou-contact-hero-content {
    position: relative;
    z-index: 2;
}

/* ============ Breadcrumb（Banner 下方，样式与产品列表页一致） ============ */
.zhongyou-contact-crumb {
    position: relative;
    z-index: 1;
    background: var(--zhongyou-color-white);
    border-bottom: 1px solid var(--zhongyou-color-border);
}

.zhongyou-contact-crumb .zhongyou-breadcrumb {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 0;
    font-size: 14px;
    color: var(--zhongyou-color-text-muted);
}

.zhongyou-contact-crumb .zhongyou-breadcrumb a {
    color: var(--zhongyou-color-text-body);
    -webkit-transition: color var(--zhongyou-transition);
    transition: color var(--zhongyou-transition);
}

.zhongyou-contact-crumb .zhongyou-breadcrumb a:hover {
    color: var(--zhongyou-color-accent-dark);
}

.zhongyou-contact-crumb .zhongyou-breadcrumb i {
    font-size: 11px;
    color: var(--zhongyou-color-accent);
}

.zhongyou-contact-crumb .zhongyou-breadcrumb span {
    color: var(--zhongyou-color-accent-dark);
    font-weight: 600;
}

.zhongyou-contact-hero-title {
    font-size: 44px;
    color: var(--zhongyou-color-white);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.zhongyou-contact-hero-sub {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============ Contact Info Cards ============ */
.zhongyou-contact-cards {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: repeat(4, 1fr);
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 3;
}

.zhongyou-contact-card {
    display: block;
    background: var(--zhongyou-color-white);
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius-lg);
    padding: 32px 26px;
    text-align: center;
    box-shadow: var(--zhongyou-shadow-md);
    -webkit-transition: all var(--zhongyou-transition);
    transition: all var(--zhongyou-transition);
}

.zhongyou-contact-card:hover {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
    box-shadow: var(--zhongyou-shadow-xl);
    border-color: rgba(232, 97, 26, 0.35);
}

.zhongyou-contact-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: rgba(232, 97, 26, 0.1);
    color: var(--zhongyou-color-accent-dark);
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    font-size: 24px;
    -webkit-transition: all var(--zhongyou-transition);
    transition: all var(--zhongyou-transition);
}

.zhongyou-contact-card:hover .zhongyou-contact-card-icon {
    background: -webkit-linear-gradient(135deg, var(--zhongyou-color-accent) 0%, var(--zhongyou-color-accent-dark) 100%);
    background: linear-gradient(135deg, var(--zhongyou-color-accent) 0%, var(--zhongyou-color-accent-dark) 100%);
    color: var(--zhongyou-color-white);
}

.zhongyou-contact-card h3 {
    font-size: 17px;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 8px;
}

.zhongyou-contact-card p {
    font-size: 15px;
    font-weight: 600;
    color: var(--zhongyou-color-primary);
    line-height: 1.5;
    word-break: break-word;
}

.zhongyou-contact-card-note {
    display: block;
    font-size: 12.5px;
    color: var(--zhongyou-color-text-muted);
    margin-top: 8px;
    line-height: 1.6;
}

/* ============ Contact Form + Side ============ */
.zhongyou-contact-grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1.3fr 1fr;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: start;
}

.zhongyou-contact-form-wrap {
    background: var(--zhongyou-color-white);
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius-lg);
    padding: 44px;
    box-shadow: var(--zhongyou-shadow);
}

.zhongyou-contact-form-wrap .zhongyou-contact-title {
    font-size: 28px;
}

.zhongyou-contact-form-wrap .zhongyou-contact-desc {
    font-size: 15px;
    margin-bottom: 30px;
}

.zhongyou-contact-form-row {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.zhongyou-contact-field {
    margin-bottom: 20px;
}

.zhongyou-contact-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.zhongyou-contact-field input,
.zhongyou-contact-field select,
.zhongyou-contact-field textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius);
    background: var(--zhongyou-color-bg-light);
    color: var(--zhongyou-color-text-body);
    font-size: 14px;
    -webkit-transition: all var(--zhongyou-transition);
    transition: all var(--zhongyou-transition);
    outline: none;
}

.zhongyou-contact-field textarea {
    resize: vertical;
    min-height: 120px;
}

.zhongyou-contact-field input:focus,
.zhongyou-contact-field select:focus,
.zhongyou-contact-field textarea:focus {
    border-color: var(--zhongyou-color-accent);
    background: var(--zhongyou-color-white);
    box-shadow: 0 0 0 3px rgba(232, 97, 26, 0.12);
}

.zhongyou-contact-field input.zhongyou-contact-invalid,
.zhongyou-contact-field textarea.zhongyou-contact-invalid {
    border-color: var(--zhongyou-color-danger);
}

.zhongyou-contact-form-footer {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    gap: 16px;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-top: 4px;
}

.zhongyou-contact-submit {
    min-width: 180px;
}

.zhongyou-contact-submit.zhongyou-contact-loading {
    pointer-events: none;
    opacity: 0.75;
}

.zhongyou-contact-submit.zhongyou-contact-loading i {
    -webkit-animation: zhongyou-contact-spin 1s linear infinite;
    animation: zhongyou-contact-spin 1s linear infinite;
}

@-webkit-keyframes zhongyou-contact-spin {
    to { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@keyframes zhongyou-contact-spin {
    to { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

.zhongyou-contact-privacy {
    font-size: 12.5px;
    color: var(--zhongyou-color-text-muted);
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 6px;
}

.zhongyou-contact-privacy i {
    color: var(--zhongyou-color-success);
}

.zhongyou-contact-success {
    display: none;
    margin-top: 24px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.35);
    border-radius: var(--zhongyou-radius);
    padding: 20px 22px;
    text-align: center;
}

.zhongyou-contact-success.zhongyou-contact-visible {
    display: block;
    -webkit-animation: zhongyou-contact-pop 0.4s ease-out;
    animation: zhongyou-contact-pop 0.4s ease-out;
}

/* 提交失败提示（sent=0 校验失败 / sent=2 邮件发送失败） */
.zhongyou-contact-error {
    background: rgba(220, 38, 38, 0.06);
    border: 1px solid rgba(220, 38, 38, 0.32);
    border-radius: var(--zhongyou-radius);
    padding: 20px 22px;
    text-align: center;
    font-size: 14px;
    line-height: 1.7;
    color: #b42318;
}

.zhongyou-contact-error i {
    font-size: 26px;
    display: block;
    margin-bottom: 10px;
    color: #dc2626;
}

/* 蜜罐字段：移出可视区域，不给真人看到，也不影响自动填充 */
.zhongyou-contact-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@-webkit-keyframes zhongyou-contact-pop {
    from { opacity: 0; -webkit-transform: translateY(12px); transform: translateY(12px); }
    to { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}

@keyframes zhongyou-contact-pop {
    from { opacity: 0; -webkit-transform: translateY(12px); transform: translateY(12px); }
    to { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}

.zhongyou-contact-success i {
    font-size: 34px;
    color: var(--zhongyou-color-success);
    display: block;
    margin-bottom: 10px;
}

.zhongyou-contact-success strong {
    display: block;
    font-size: 16px;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 6px;
}

.zhongyou-contact-success span {
    font-size: 13.5px;
    color: var(--zhongyou-color-text-muted);
    line-height: 1.7;
    display: block;
}

/* ============ Side Info ============ */
.zhongyou-contact-side-media {
    position: relative;
    /* 不再裁剪，让徽章能压出图片下沿（一半在图上、一半在图下） */
    overflow: visible;
    /* 下探的徽章需要额外空间，避免压到下面的 Direct Contact Channels 卡片 */
    margin-bottom: 56px;
}

.zhongyou-contact-side-media img {
    display: block;
    width: 100%;
    height: 320px;
    border-radius: var(--zhongyou-radius-lg);
    box-shadow: var(--zhongyou-shadow-xl);
    -o-object-fit: cover;
    object-fit: cover;
}

/* 徽章：垂直居中压在图片下沿（一半卡在图片上） */
.zhongyou-contact-side-badge {
    position: absolute;
    bottom: -31px;
    left: 30px;
    right: 30px;
    z-index: 2;
    margin: 0;
    background: rgba(11, 29, 53, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--zhongyou-color-white);
    border-radius: var(--zhongyou-radius);
    padding: 14px 18px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 12px;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.zhongyou-contact-side-badge i {
    font-size: 26px;
    color: var(--zhongyou-color-accent-light);
}

.zhongyou-contact-side-badge strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.zhongyou-contact-side-badge span {
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.7);
}

.zhongyou-contact-side-info {
    background: var(--zhongyou-color-white);
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius-lg);
    padding: 30px;
    box-shadow: var(--zhongyou-shadow);
}

.zhongyou-contact-side-info h3 {
    font-size: 18px;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--zhongyou-color-border);
}

.zhongyou-contact-side-info li {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    gap: 14px;
    padding: 12px 0;
}

.zhongyou-contact-side-info li + li {
    border-top: 1px dashed var(--zhongyou-color-border);
}

.zhongyou-contact-side-info li > i {
    font-size: 18px;
    color: var(--zhongyou-color-accent);
    margin-top: 3px;
    -webkit-box-flex: 0;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

.zhongyou-contact-side-info li span {
    display: block;
    font-size: 12.5px;
    color: var(--zhongyou-color-text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.zhongyou-contact-side-info li strong {
    font-size: 14px;
    color: var(--zhongyou-color-text-dark);
    line-height: 1.6;
    font-weight: 600;
}

.zhongyou-contact-side-info li strong a:hover {
    color: var(--zhongyou-color-accent-dark);
}

/* ============ Support Services ============ */
.zhongyou-contact-service-grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: repeat(4, 1fr);
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.zhongyou-contact-service-card {
    text-align: center;
    background: var(--zhongyou-color-white);
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius-lg);
    padding: 36px 26px;
    -webkit-transition: all var(--zhongyou-transition);
    transition: all var(--zhongyou-transition);
}

.zhongyou-contact-service-card:hover {
    -webkit-transform: translateY(-6px);
    transform: translateY(-6px);
    box-shadow: var(--zhongyou-shadow-md);
    border-color: rgba(232, 97, 26, 0.3);
}

.zhongyou-contact-service-card i {
    display: inline-block;
    font-size: 34px;
    color: var(--zhongyou-color-primary);
    margin-bottom: 18px;
    -webkit-transition: color var(--zhongyou-transition);
    transition: color var(--zhongyou-transition);
}

.zhongyou-contact-service-card:hover i {
    color: var(--zhongyou-color-accent);
}

.zhongyou-contact-service-card h3 {
    font-size: 16px;
    color: var(--zhongyou-color-text-dark);
    margin-bottom: 10px;
}

.zhongyou-contact-service-card p {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--zhongyou-color-text-muted);
}

/* ============ FAQ ============ */
.zhongyou-contact-faq {
    max-width: 860px;
    margin: 0 auto;
}

.zhongyou-contact-faq-item {
    background: var(--zhongyou-color-white);
    border: 1px solid var(--zhongyou-color-border);
    border-radius: var(--zhongyou-radius);
    margin-bottom: 14px;
    overflow: hidden;
    -webkit-transition: all var(--zhongyou-transition);
    transition: all var(--zhongyou-transition);
}

.zhongyou-contact-faq-item.zhongyou-contact-open {
    border-color: rgba(232, 97, 26, 0.4);
    box-shadow: var(--zhongyou-shadow-sm);
}

.zhongyou-contact-faq-question {
    width: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: var(--zhongyou-color-text-dark);
    background: none;
}

.zhongyou-contact-faq-question i {
    color: var(--zhongyou-color-accent);
    font-size: 14px;
    -webkit-box-flex: 0;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    -webkit-transition: -webkit-transform var(--zhongyou-transition);
    transition: -webkit-transform var(--zhongyou-transition);
    transition: transform var(--zhongyou-transition);
    transition: transform var(--zhongyou-transition), -webkit-transform var(--zhongyou-transition);
}

.zhongyou-contact-faq-item.zhongyou-contact-open .zhongyou-contact-faq-question i {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}

.zhongyou-contact-faq-answer {
    max-height: 0;
    overflow: hidden;
    -webkit-transition: max-height 0.4s ease-out;
    transition: max-height 0.4s ease-out;
}

.zhongyou-contact-faq-answer p {
    padding: 0 24px 22px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--zhongyou-color-text-muted);
}

/* ============ Responsive ============ */
@media (max-width: 1200px) {
    .zhongyou-contact-title {
        font-size: 32px;
    }

    .zhongyou-contact-hero-title {
        font-size: 38px;
    }

    .zhongyou-contact-cards {
        -ms-grid-columns: repeat(2, 1fr);
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    .zhongyou-contact-grid {
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .zhongyou-contact-service-grid {
        -ms-grid-columns: repeat(2, 1fr);
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .zhongyou-contact-section {
        padding: 60px 0;
    }

    .zhongyou-contact-section-header {
        margin-bottom: 40px;
    }

    .zhongyou-contact-hero {
        min-height: 300px;
        padding: 100px 0 60px;
    }

    .zhongyou-contact-crumb .zhongyou-breadcrumb {
        padding: 14px 0;
        font-size: 13px;
    }

    .zhongyou-contact-hero-title {
        font-size: 30px;
    }

    .zhongyou-contact-hero-sub {
        font-size: 15px;
    }

    .zhongyou-contact-title {
        font-size: 26px;
    }

    .zhongyou-contact-form-wrap {
        padding: 28px 22px;
    }

    .zhongyou-contact-form-row {
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
        gap: 0;
    }

    .zhongyou-contact-side-media img {
        height: 240px;
    }

    /* 小屏：徽章下探幅度收小一些 */
    .zhongyou-contact-side-media {
        margin-bottom: 46px;
    }

    .zhongyou-contact-side-badge {
        bottom: -26px;
        left: 18px;
        right: 18px;
    }

    .zhongyou-contact-form-footer {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-align: start;
        -webkit-align-items: flex-start;
        -ms-flex-align: start;
        align-items: flex-start;
    }
}

@media (max-width: 479px) {
    .zhongyou-contact-cards,
    .zhongyou-contact-service-grid {
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
    }

    .zhongyou-contact-hero-title {
        font-size: 26px;
    }
}