/* ===== Automation Page Styles ===== */

.auto-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, #fff4e6 0%, #fff 50%, var(--primary-light) 100%);
    text-align: center;
}

.auto-hero h1 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.auto-hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.auto-hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 32px;
}

.auto-hero-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: white;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.auto-hero-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 8px;
    flex-shrink: 0;
}

.auto-section {
    padding: 80px 0 100px;
    background: var(--bg);
}

/* 5×2 Product Grid */
.auto-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.auto-card {
    width: 100%;
    min-height: 340px;
    height: auto;
    background: white;
    border-radius: 20px;
    border: 1px solid #E5E7EB;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.auto-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    border-color: #D1D5DB;
}

.auto-card-img {
    width: 100%;
    height: 150px;
    background-color: #F8FAFC;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    flex-shrink: 0;
    transition: transform 0.35s ease;
}

.auto-card:hover .auto-card-img {
    transform: scale(1.035);
}

.auto-grid .auto-card:nth-child(1) .auto-card-img,
.auto-grid .auto-card:nth-child(1) .auto-icon {
    background-image: url('../assets/products/automation-plc.jpg');
}

.auto-grid .auto-card:nth-child(2) .auto-card-img,
.auto-grid .auto-card:nth-child(2) .auto-icon {
    background-image: url('../assets/products/automation-servo.jpg');
}

.auto-grid .auto-card:nth-child(3) .auto-card-img,
.auto-grid .auto-card:nth-child(3) .auto-icon {
    background-image: url('../assets/products/automation-inverter.jpg');
}

.auto-grid .auto-card:nth-child(4) .auto-card-img,
.auto-grid .auto-card:nth-child(4) .auto-icon {
    background-image: url('../assets/products/automation-hmi.jpg');
}

.auto-grid .auto-card:nth-child(5) .auto-card-img,
.auto-grid .auto-card:nth-child(5) .auto-icon {
    background-image: url('../assets/products/automation-ipc.jpg');
}

.auto-grid .auto-card:nth-child(6) .auto-card-img,
.auto-grid .auto-card:nth-child(6) .auto-icon {
    background-image: url('../assets/products/automation-sensors.jpg');
}

.auto-grid .auto-card:nth-child(7) .auto-card-img,
.auto-grid .auto-card:nth-child(7) .auto-icon {
    background-image: url('../assets/products/automation-hydraulics.jpg');
}

.auto-grid .auto-card:nth-child(8) .auto-card-img,
.auto-grid .auto-card:nth-child(8) .auto-icon {
    background-image: url('../assets/products/automation-pneumatics.jpg');
}

.auto-grid .auto-card:nth-child(9) .auto-card-img,
.auto-grid .auto-card:nth-child(9) .auto-icon {
    background-image: url('../assets/products/automation-motors.jpg');
}

.auto-grid .auto-card:nth-child(10) .auto-card-img,
.auto-grid .auto-card:nth-child(10) .auto-icon {
    background-image: url('../assets/products/automation-gearboxes.jpg');
}

.auto-icon {
    width: 100%;
    height: 150px;
    background-color: #F8FAFC;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    flex-shrink: 0;
}

.auto-icon .auto-icon-svg {
    display: none;
}

.auto-card-body {
    padding: 18px 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-height: 0;
}

.auto-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
    line-height: 1.3;
}

.auto-card-desc {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.5;
    margin-bottom: 16px;
    display: block;
    min-height: 42px;
    overflow: visible;
    max-width: 100%;
    flex-shrink: 0;
}

.auto-card-link {
    font-size: 16px;
    color: #2563EB;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.auto-card-link:hover {
    color: #1D4ED8;
    transform: translateX(2px);
}

.btn-card {
    width: 100%;
    margin-top: auto;
    background: var(--primary-light);
    color: var(--primary);
    padding: 10px 16px;
    font-size: 14px;
}

.btn-card:hover {
    background: var(--primary);
    color: white;
}

/* ===== Market Fit / Russian SEO Blocks ===== */
.market-fit-section,
.keyword-section {
    padding: 76px 0;
    background: var(--bg);
}

.ru-brands-section {
    padding: 80px 0;
    background:
        radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.08), transparent 30%),
        linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.fit-grid,
.ru-brand-grid,
.keyword-layout {
    display: grid;
    gap: 18px;
    max-width: 1180px;
    margin: 0 auto;
}

.fit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ru-brand-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.keyword-layout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fit-card,
.ru-brand-card,
.keyword-card,
.model-examples {
    background: white;
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.fit-card {
    padding: 24px 22px;
}

.fit-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 14px;
}

.fit-card h3,
.ru-brand-card h3,
.keyword-card h3,
.model-examples h3 {
    font-size: 19px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 10px;
}

.fit-card p,
.ru-brand-card p,
.model-examples p {
    color: #64748B;
    font-size: 14px;
    line-height: 1.65;
}

.ru-brand-card {
    padding: 24px;
}

.ru-brand-card span,
.priority-brand-card span {
    display: block;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed #CBD5E1;
    color: #2563EB;
    font-size: 13px;
    line-height: 1.55;
    font-weight: 600;
}

.brand-note {
    max-width: 980px;
    margin: 22px auto 0;
    color: #64748B;
    font-size: 14px;
    line-height: 1.7;
    text-align: center;
}

.keyword-card {
    padding: 24px;
}

.keyword-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.keyword-cloud span {
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    background: #EFF6FF;
    color: #1D4ED8;
    border: 1px solid #BFDBFE;
    font-size: 13px;
    font-weight: 600;
}

.model-examples {
    max-width: 1180px;
    margin: 22px auto 0;
    padding: 26px;
}

.model-examples p {
    margin-bottom: 18px;
}

.model-examples .btn {
    margin-right: 10px;
    margin-top: 8px;
}

/* ===== Brands Wall ===== */
.brands-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.brands-wall {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.brand-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    min-height: 80px;
    text-align: center;
}

.brand-cell img {
    max-height: 40px;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

.brand-cell:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ===== Industries ===== */
.industries-section {
    padding: 80px 0;
    background: var(--bg);
}

.industries-row {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

/* 水平连接线 */
.industries-row::before {
    content: '';
    position: absolute;
    top: 40px;
    left: calc(100% / 12);
    right: calc(100% / 12);
    height: 3px;
    background: linear-gradient(90deg, 
        var(--primary-light) 0%, 
        var(--primary) 20%, 
        var(--accent) 50%, 
        var(--primary) 80%, 
        var(--primary-light) 100%);
    border-radius: 2px;
    opacity: 0.35;
    z-index: 0;
}

.industry-card {
    flex: 1 1 0;
    max-width: 150px;
    min-width: 100px;
    background: white;
    border-radius: 14px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    z-index: 1;
    margin: 0 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.industry-icon-wrap {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    overflow: hidden;
    position: relative;
}

.industry-icon-wrap img {
    width: 100%;
    height: 70px;
    object-fit: cover;
    object-position: center;
    display: block;
    opacity: 0.75;
    transition: all 0.4s ease;
    filter: saturate(0.85);
}

.industry-card:hover .industry-icon-wrap img {
    opacity: 1;
    transform: scale(1.08);
    filter: saturate(1);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.1);
    border-color: var(--primary-light);
}

.industry-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    padding: 14px 10px 16px;
    margin: 0;
    letter-spacing: 0.3px;
}

/* 响应式：平板以下改为 3+3 两行 */
@media (max-width: 768px) {
    .industries-row {
        flex-wrap: wrap;
        gap: 20px 12px;
    }
    .industries-row::before {
        display: none;
    }
    .industry-card {
        flex: 0 0 calc(33.333% - 16px);
        max-width: none;
        min-width: auto;
        margin: 0;
    }

    .industry-icon-wrap {
        height: 90px;
    }
    .industry-icon-wrap img {
        height: 90px;
    }
}

/* 小屏手机改为 2 列 */
@media (max-width: 480px) {
    .industry-card {
        flex: 0 0 calc(50% - 10px);
    }
}

/* ===== Advantages Row ===== */
.advantages-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.advantages-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px 48px;
    max-width: 1100px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
    white-space: nowrap;
}

.advantage-check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

/* ===== RFQ Section ===== */
.rfq-section {
    padding: 80px 0;
    background: var(--bg-light);
    scroll-margin-top: 88px;
}

.rfq-header {
    text-align: center;
    margin-bottom: 40px;
}

.rfq-header h2 {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.custom-file-upload {
    min-height: 52px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 7px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
}

.custom-file-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.custom-file-button {
    padding: 8px 12px;
    border: 1px solid #CBD5E1;
    border-radius: 6px;
    background: #F8FAFC;
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.custom-file-name {
    min-width: 0;
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-file-upload:hover {
    border-color: var(--primary);
}

.custom-file-upload:hover .custom-file-button {
    border-color: var(--primary);
    color: var(--primary);
}

.rfq-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

.rfq-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
}

.rfq-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== Contacts Bar ===== */
.contacts-section {
    padding: 60px 0;
    background: var(--bg);
}

.contacts-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    text-align: center;
    padding: 28px 20px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
}

.contact-icon.whatsapp { background: #25D366; }
.contact-icon.email { background: #EA4335; }

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

.contact-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.contact-card a {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.contact-card a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .auto-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 20px;
    }
    .fit-grid,
    .ru-brand-grid,
    .keyword-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .brands-wall {
        grid-template-columns: repeat(3, 1fr);
    }
    .contacts-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .auto-hero {
        padding: 120px 0 40px;
    }
    .auto-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }
    .auto-card {
        width: 100%;
        height: auto;
        min-height: 300px;
    }
    .auto-card-img {
        height: 140px;
    }
    .auto-card h3 {
        font-size: 18px;
    }
    .auto-card-desc {
        font-size: 13px;
        min-height: 39px;
    }
    .auto-card-link {
        font-size: 16px;
    }
    .fit-grid,
    .ru-brand-grid,
    .keyword-layout {
        grid-template-columns: 1fr;
    }
    .brands-wall {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .brand-cell {
        font-size: 13px;
        padding: 16px 12px;
        min-height: 52px;
    }
    .industries-row {
        flex-wrap: wrap;
        gap: 20px 12px;
    }
    .industries-row::before {
        display: none;
    }
    .industry-card {
        flex: 0 0 calc(33.333% - 16px);
        max-width: none;
        min-width: auto;
        margin: 0;
    }

    .industry-icon-wrap {
        height: 90px;
    }
    .industry-icon-wrap img {
        height: 90px;
    }
    .advantages-row {
        gap: 16px 24px;
    }
    .advantage-item {
        font-size: 14px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .rfq-form-wrapper {
        padding: 24px;
    }
    .contacts-bar {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .contact-card {
        padding: 20px 16px;
    }
}

@media (max-width: 480px) {
    .auto-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
    .auto-card {
        width: 100%;
        min-width: 0;
        min-height: 250px;
    }
    .auto-card-img {
        height: 105px;
    }
    .auto-card-body {
        padding: 14px 10px 16px;
    }
    .auto-card h3 {
        font-size: 16px;
    }
    .auto-card-desc {
        font-size: 12px;
        margin-bottom: 12px;
        min-height: 36px;
    }
    .auto-card-link {
        font-size: 16px;
    }
    .contacts-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .contact-card {
        min-width: 0;
        padding: 18px 8px;
    }
}

@media (max-width: 768px) {
    .auto-hero {
        padding: 104px 0 46px;
    }

    .auto-hero h1 {
        font-size: 30px;
        line-height: 1.2;
    }

    .auto-hero-tags {
        gap: 7px;
        margin-bottom: 24px;
    }

    .auto-hero-tag {
        padding: 5px 10px;
        font-size: 12px;
    }

    .auto-section,
    .market-fit-section,
    .ru-brands-section,
    .keyword-section,
    .brands-section,
    .industries-section,
    .advantages-section,
    .rfq-section,
    .contacts-section,
    .cta-section {
        padding: 58px 0;
    }

    .auto-card {
        border-radius: 14px;
        box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
    }

    .auto-card > p {
        font-size: 12px;
    }
}