* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero-section {
    background-image: url('../img/aboutus/shanghai.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 180px 0 80px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}


.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    
   
}

.hero-section:hover::before {
    background: rgba(0, 0, 0, 0.3);
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Company Overview */
.company-overview {
    padding: 80px 0;
    background: #f8f9fa;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.overview-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

.placeholder-image {
    
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
    border-radius: 8px;
}

/* Mission Vision */
.mission-vision {
    padding: 80px 0;
    background: white;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.mission, .vision {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #0b0b4e;
}

.mission h3, .vision h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.mission p, .vision p {
    color: #666;
    font-size: 1.1rem;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: #2c3e50;
    color: white;
    text-align: center;
}

.stats-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f39c12;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #f39c12;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-image {
    margin-bottom: 1.5rem;
}

.member-image .placeholder-image {
    height: 200px;
    border-radius: 50%;
    width: 200px;
    margin: 0 auto;
}

.team-member h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.position {
    color: #f39c12;
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-member p:not(.position) {
    color: #666;
}

/* Values Section */
.values-section {
    padding: 80px 0;
    background: white;
}

.values-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.value-item p {
    color: #666;
}

/* Certifications Section */
.certifications-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.certifications-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
    font-style: italic;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.certificate-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.certificate-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.certificate-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.certificate-item:nth-child(1) .certificate-image {
    background-image: url('../img/aboutus/isooccupational.png');
}

.certificate-item:nth-child(2) .certificate-image {
    background-image: url('../img/aboutus/isoquality.png');
}

.certificate-item:nth-child(3) .certificate-image {
    background-image: url('../img/aboutus/isoenvironment.png');
}

.certificate-image img {
    display: none;
}

.certificate-item:hover .certificate-image {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.certificate-details {
    padding: 2rem;
    text-align: center;
}

.cert-badge {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.certificate-details h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 700;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-number {
    display: inline-block;
    background: #130f5e;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cert-standard {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.cert-scope {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    font-style: italic;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #f39c12;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    opacity: 0.8;
}

/* Partners Page Styles */

/* Hero Section for Partners */
.hero-section.partners-hero {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    background-image: none;
}

/* Main Partners Section */
.main-partners {
    padding: 80px 0;
    background: #f8f9fa;
}

.main-partners h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.main-partners-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.partner-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    transition: transform 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.partner-image {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.partner-logo {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Changed from 'contain' to 'cover' */
    object-position: center;
}

.partner-content {
    padding: 3rem;
}

.partner-content h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.partner-location {
    color: #f39c12;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.partner-description {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.partnership-details h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.partnership-details ul {
    list-style: none;
    margin-bottom: 2rem;
}

.partnership-details li {
    color: #666;
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.partnership-details li::before {
    content: '✓';
    color: #27ae60;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.partner-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* Partnership Benefits */
.partnership-benefits {
    padding: 80px 0;
    background: white;
}

.partnership-benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-item h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-item p {
    color: #666;
}

/* Other Partners */
.other-partners {
    padding: 80px 0;
    background: #f8f9fa;
}

.other-partners h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.logo-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.logo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.partner-logo-small {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    border-radius: 5px;
}

/* Partnership CTA */
.partnership-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #f39c12;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #e67e22;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Contact Page Styles */

/* Contact Hero Section */
.hero-section.contact-hero {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    background-image: none;
}

/* Contact Information Section */
.contact-info {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-info h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.contact-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background:#17125a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-icon i {
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-card p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.contact-card p:last-child {
    color: #2c3e50;
    font-weight: 600;
}

/* Contact Form Section */
.contact-form-section {
    padding: 80px 0;
    background: white;
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.form-content h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.form-content p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background:  #100b55;
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.contact-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-image .placeholder-image {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    height: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* Map Section */
.map-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.map-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.map-container {
    max-width: 1000px;
    margin: 0 auto;
}

.map-placeholder {
    background: white;
    height: 400px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

.map-placeholder i {
    font-size: 4rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.map-placeholder p:first-of-type {
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 5px;
    color: white;
    font-weight: 600;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.notification.success {
    background: #27ae60;
}

.notification.error {
    background: #e74c3c;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Form validation styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.form-group .error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .overview-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid,
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .certifications-section h2 {
        font-size: 2rem;
    }
    
    .certificate-details {
        padding: 1.5rem;
    }
    
    .certificate-details h4 {
        font-size: 1.1rem;
    }
    
    .partner-card {
        grid-template-columns: 1fr;
    }
    
    .partner-image {
        padding: 2rem;
    }
    
    .partner-content {
        padding: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-logos {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partner-stats {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .contact-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
    }
    
    .contact-icon i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certificate-details {
        padding: 1rem;
    }
    
    .certificate-details h4 {
        font-size: 1rem;
    }
    
    .cert-badge {
        font-size: 2rem;
    }
    
    .partner-content {
        padding: 1.5rem;
    }
    
    .map-section h2 {
        font-size: 2rem;
    }
    
    .submit-btn {
        width: 100%;
        justify-content: center;
    }
}