/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.logo .wvi {
    color: #2c3e50;
    font-weight: 700;
}

.tagline {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin: 0;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s;
}

.nav a:hover {
    color: #3498db;
}

.nav a.active {
    color: #2c3e50;
    font-weight: 600;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #3498db;
}

.nav a i {
    margin-right: 8px;
}

.btn-inquiry {
    background-color: #3498db;
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn-inquiry:hover {
    background-color: #2980b9;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #ecf0f1;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: #bdc3c7;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #e74c3c;
    color: white;
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #2c3e50;
}

.btn-primary i, .btn-secondary i {
    margin-left: 8px;
}

.hero-image .image-placeholder {
    background-color: rgba(255,255,255,0.1);
    border-radius: 8px;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 5rem;
}

.hero-image .image-placeholder p {
    color: white;
    margin-top: 20px;
    font-size: 1rem;
}

.hero-image .hero-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    object-fit: cover;
    max-height: 400px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

.section-subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 20px;
}

/* Products Preview */
.products-preview {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.product-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    background-color: #f8f9fa;
    height: 500px; /* 显著增加高度以完整显示产品图片 */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
}

.product-image .product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: transform 0.3s ease;
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-card h3 {
    padding: 20px 20px 10px;
}

.product-card p {
    padding: 0 20px 20px;
    color: #666;
}

.btn-small {
    display: inline-block;
    margin: 0 20px 20px;
    padding: 8px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn-small:hover {
    background-color: #2980b9;
}

.text-center {
    text-align: center;
}

/* Company Info */
.company-info {
    padding: 80px 0;
    background-color: white;
}

.company-info .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 5px;
}

.stat p {
    color: #7f8c8d;
    margin: 0;
}

.company-image .image-placeholder {
    background-color: #f8f9fa;
    border-radius: 8px;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #3498db;
    font-size: 5rem;
}

.company-image .image-placeholder p {
    color: #7f8c8d;
    margin-top: 20px;
}

.factory-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(52, 152, 219, 0.8)), url('../images/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    margin-bottom: 20px;
}

.cta p {
    color: #ecf0f1;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-col p {
    color: #bdc3c7;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: white;
}

.contact-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-info i {
    margin-right: 10px;
    color: #3498db;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background-color: #3498db;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    color: #bdc3c7;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-bottom a {
    color: #bdc3c7;
    text-decoration: none;
    margin: 0 10px;
}

.footer-bottom a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container,
    .company-info .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-image .image-placeholder,
    .company-image .image-placeholder {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 60px 0;
    }

    .features,
    .products-preview,
    .company-info,
    .cta {
        padding: 60px 0;
    }
}

/* ===== New Pages Styles ===== */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    color: white;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Solutions Page */
.solutions-overview {
    padding: 80px 0;
    background-color: white;
}

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

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.solution-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e9ecef;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.solution-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 20px;
}

.solution-desc {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.solution-features {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.solution-features li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    color: #555;
}

.solution-features li:last-child {
    border-bottom: none;
}

.solution-features i {
    color: #27ae60;
    margin-right: 10px;
}

/* ===== New Cooperation Page Styles ===== */

/* Section Spacing */
.wvi-original-hammer,
.cooperation-advantages,
.start-cooperation-journey {
    padding: 80px 0;
}

.wvi-original-hammer {
    background-color: white;
}

.cooperation-advantages {
    background-color: #f8f9fa;
}

.start-cooperation-journey {
    background-color: white;
}

/* WVI Original Hammer Section */
.original-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 3.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.feature-card h3 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.feature-content p {
    text-align: center;
    color: #555;
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.feature-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-details li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    color: #555;
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.feature-details li:last-child {
    border-bottom: none;
}

.feature-details i {
    margin-right: 12px;
    font-size: 1.1rem;
    min-width: 24px;
}

.feature-details .fa-certificate {
    color: #e74c3c;
}

.feature-details .fa-check-circle {
    color: #27ae60;
}

.feature-details .fa-phone-alt {
    color: #3498db;
}

.feature-details .fa-user-graduate {
    color: #9b59b6;
}

.feature-details .fa-tools,
.feature-details .fa-wrench {
    color: #f39c12;
}

.feature-details .fa-chart-line {
    color: #1abc9c;
}

.feature-details .fa-excavator {
    color: #d35400;
}

.feature-details .fa-plug,
.feature-details .fa-bolt {
    color: #f1c40f;
}

.feature-details .fa-tachometer-alt {
    color: #16a085;
}

.feature-details .fa-exchange-alt {
    color: #8e44ad;
}

/* Cooperation Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.advantage-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: transform 0.3s;
    border-left: 4px solid #3498db;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.advantage-number {
    background-color: #3498db;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 15px;
    font-family: 'Montserrat', sans-serif;
}

.advantage-header h3 {
    color: #2c3e50;
    margin: 0;
    font-size: 1.4rem;
}

.advantage-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-content li {
    padding: 10px 0;
    color: #555;
    border-bottom: 1px solid #eee;
    font-size: 1rem;
}

.advantage-content li:last-child {
    border-bottom: none;
}

.advantage-content strong {
    color: #2c3e50;
}

/* Start Cooperation Journey Section */
.journey-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.journey-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.step-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    position: relative;
    border: 1px solid #e9ecef;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 30px;
    background-color: #2c3e50;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
}

.step-content h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.step-content p {
    color: #555;
    margin-bottom: 20px;
    line-height: 1.6;
}

.step-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-details li {
    padding: 8px 0;
    color: #666;
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.step-details li:before {
    content: "•";
    color: #3498db;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.journey-cta {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    border-radius: 15px;
    padding: 50px;
    color: white;
    text-align: center;
}

.cta-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.highlight-item {
    text-align: center;
}

.highlight-item i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: rgba(255,255,255,0.9);
}

.highlight-item h4 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.highlight-item p {
    color: rgba(255,255,255,0.8);
    margin: 0;
    font-size: 0.95rem;
}

.cta-action .btn-primary {
    background-color: white;
    color: #2c3e50;
    border: none;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.cta-action .btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.cta-note {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    margin: 0;
}

/* Responsive Design for New Sections */
@media (max-width: 768px) {
    .original-features-grid,
    .advantages-grid,
    .journey-steps {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .advantage-card,
    .step-card {
        padding: 25px;
    }

    .journey-cta {
        padding: 30px 20px;
    }

    .cta-highlights {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .feature-icon {
        font-size: 3rem;
    }
}

.solution-applications h4 {
    margin-bottom: 10px;
    color: #2c3e50;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.app-tag {
    background-color: #e3f2fd;
    color: #1976d2;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Solution Process */
.solution-process {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* Technical Support */
.technical-support {
    padding: 80px 0;
    background-color: white;
}

.support-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.support-feature {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.support-feature i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

/* Customer Cases Page */
.customer-case-filter {
    padding: 30px 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.filter-btn {
    padding: 10px 20px;
    background-color: white;
    border: 2px solid #3498db;
    color: #3498db;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #3498db;
    color: white;
}

.customer-cases-grid {
    padding: 80px 0;
    background-color: white;
}

.customer-case {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-bottom: 60px;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e9ecef;
}

.customer-case-image {
    position: relative;
}

.customer-case-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #3498db;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.customer-case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 25px 0;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 5px;
}

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

.customer-case-challenge,
.customer-case-solution,
.customer-case-results {
    margin-bottom: 25px;
}

.customer-case-results ul {
    list-style: none;
    padding: 0;
}

.customer-case-results li {
    padding: 8px 0;
    color: #555;
}

.customer-case-results i {
    color: #27ae60;
    margin-right: 10px;
}

.customer-case-testimonial {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    margin-top: 25px;
}

.testimonial-author {
    margin-top: 15px;
    font-style: italic;
    color: #666;
}

/* Client Testimonials */
.client-testimonials {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-content {
    position: relative;
    padding-left: 30px;
}

.testimonial-content i {
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    opacity: 0.3;
    font-size: 1.5rem;
}

.testimonial-author {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.author-info h4 {
    margin-bottom: 5px;
    color: #2c3e50;
}

.author-info p {
    color: #666;
    font-size: 0.9rem;
}

/* Cooperation Page */
.cooperation-benefits {
    padding: 80px 0;
    background-color: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: transform 0.3s;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.benefit-features {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.benefit-features li {
    padding: 5px 0;
    color: #555;
}

.benefit-features i {
    color: #27ae60;
    margin-right: 10px;
}

/* Cooperation Advantages */
.cooperation-advantages {
    padding: 80px 0;
    background-color: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    border-left: 4px solid #3498db;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left-color: #e74c3c;
}

.advantage-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.advantage-card:hover .advantage-icon {
    color: #e74c3c;
}

.advantage-features {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.advantage-features li {
    padding: 8px 0;
    color: #555;
    border-bottom: 1px solid #eee;
}

.advantage-features li:last-child {
    border-bottom: none;
}

.advantage-features i {
    color: #27ae60;
    margin-right: 10px;
}

/* Cooperation Models */
.cooperation-models {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.model-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.model-card:hover {
    transform: translateY(-5px);
}

.model-header {
    background-color: #3498db;
    color: white;
    padding: 25px;
    position: relative;
}

.model-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #e74c3c;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.model-content {
    padding: 25px;
}

.model-price {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.price-label {
    display: block;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.price-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
}

.model-features {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.model-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: #555;
}

.model-features li:last-child {
    border-bottom: none;
}

.model-features i {
    color: #27ae60;
    margin-right: 10px;
}

.model-requirements h4 {
    margin-bottom: 10px;
    color: #2c3e50;
}

.model-requirements ul {
    list-style: disc;
    padding-left: 20px;
    color: #666;
}

/* Current Partners */
.current-partners {
    padding: 80px 0;
    background-color: white;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.partner-logo {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    border: 1px solid #e9ecef;
    transition: transform 0.3s;
}

.partner-logo:hover {
    transform: scale(1.05);
}

.partner-logo i {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 15px;
}

.partner-location {
    display: inline-block;
    background-color: #e3f2fd;
    color: #1976d2;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-top: 10px;
}

/* Cooperation Process */
.cooperation-process {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #3498db;
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.process-step:nth-child(odd) {
    flex-direction: row;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding: 0 30px;
}

/* Cooperation Form */
.cooperation-form-section {
    padding: 80px 0;
    background-color: white;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

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

.cooperation-form .form-group {
    margin-bottom: 20px;
}

.cooperation-form label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 500;
}

.cooperation-form input,
.cooperation-form select,
.cooperation-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.cooperation-form input:focus,
.cooperation-form select:focus,
.cooperation-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

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

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.form-note {
    margin-top: 15px;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive adjustments for new pages */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .customer-case {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .customer-case-stats {
        grid-template-columns: 1fr;
    }

    .cooperation-form .form-row {
        grid-template-columns: 1fr;
    }

    .process-timeline::before {
        left: 25px;
    }

    .process-step {
        flex-direction: row !important;
    }

    .step-content {
        padding-left: 80px;
    }
}

@media (max-width: 480px) {
    .solutions-grid,
    .benefits-grid,
    .models-grid,
    .partners-logos {
        grid-template-columns: 1fr;
    }

    .filter-options {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 200px;
    }

    .form-container {
        padding: 20px;
    }
}
/* Cooperation Page Updates */
.page-header .header-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 20px;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Success Stories */
.success-stories {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.story-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.story-card:hover {
    transform: translateY(-5px);
}

.story-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.story-logo {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.story-logo i {
    font-size: 1.5rem;
    color: white;
}

.story-info h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.story-location {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.story-content p {
    font-style: italic;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.6;
}

.story-metrics {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.metric {
    text-align: center;
    flex: 1;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.85rem;
    color: #7f8c8d;
}

/* Cooperation CTA */
.cooperation-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.cta-feature i {
    color: #2ecc71;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Updated Process Timeline */
.process-step .step-icon {
    width: 50px;
    height: 50px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.process-step .step-icon i {
    color: white;
    font-size: 1.2rem;
}

.step-details {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.step-details li {
    padding: 5px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.step-details li:before {
    content: '•';
    color: #3498db;
    position: absolute;
    left: 0;
}

.process-timeline-note {
    margin-top: 40px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    text-align: center;
}

.process-timeline-note i {
    color: #3498db;
    margin-right: 10px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .header-stats {
        gap: 20px;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stories-grid {
        grid-template-columns: 1fr;
    }
    
    .story-metrics {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 15px;
    }
    
    .process-step {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .header-stats {
        flex-direction: column;
        gap: 15px;
    }

    .stat-item {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }
}

/* ===== Product Carousel Styles ===== */
.product-carousel {
    width: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    background-color: #f8f9fa;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
}

.carousel-slide {
    flex: 0 0 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px; /* 增加最小高度 */
    max-height: 550px; /* 调整最大高度 */
    overflow: hidden;
    padding: 20px; /* 添加内边距 */
}

.carousel-slide img {
    max-width: 95%; /* 稍微缩小以完整显示 */
    max-height: 95%;
    object-fit: contain;
    width: auto;
    height: auto;
    padding: 30px;
    transition: transform 0.3s ease;
}

.carousel-slide.active img {
    transform: scale(1.02);
}

.slide-caption {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    background-color: rgba(44, 62, 80, 0.8);
    padding: 10px 20px;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 0 0 8px 8px;
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(52, 152, 219, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0;
}

.carousel-btn:hover {
    background-color: #2980b9;
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.product-carousel:hover .carousel-btn {
    opacity: 1;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(52, 152, 219, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.indicator:hover {
    background-color: rgba(52, 152, 219, 0.7);
    transform: scale(1.2);
}

.indicator.active {
    background-color: #3498db;
    border-color: #3498db;
    transform: scale(1.2);
}

/* Responsive Carousel */
@media (max-width: 768px) {
    .carousel-slide {
        min-height: 300px;
        max-height: 450px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }

    .slide-caption {
        font-size: 1rem;
        padding: 8px 15px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .product-image {
        height: 350px; /* 移动端适当降低高度 */
    }

    .carousel-slide {
        min-height: 300px;
        max-height: 400px;
    }

    .carousel-slide img {
        padding: 15px;
        max-width: 90%;
        max-height: 90%;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .slide-caption {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
}

/* New Cooperation Page Styles */
.why-partner {
    padding: 80px 0;
    background-color: white;
}

.partner-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.partner-benefits-grid .benefit-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    border-left: 4px solid #3498db;
}

.partner-benefits-grid .benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left-color: #e74c3c;
}

.partner-benefits-grid .benefit-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.partner-benefits-grid .benefit-card:hover .benefit-icon {
    color: #e74c3c;
}

.support-system {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.support-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.support-item:hover {
    transform: translateY(-5px);
}

.support-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.support-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.support-item ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.support-item li {
    padding: 8px 0;
    color: #555;
    border-bottom: 1px solid #eee;
}

.support-item li:last-child {
    border-bottom: none;
}

.success-stories {
    padding: 80px 0;
    background-color: white;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.story-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.story-header {
    background-color: #3498db;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.story-location {
    font-weight: 600;
    font-size: 1.1rem;
}

.story-years {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.story-content {
    padding: 25px;
}

.story-content h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.story-content p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.story-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.result-item {
    text-align: center;
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.result-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 5px;
}

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

.cooperation-header {
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    color: white;
}

.cooperation-header .header-stats {
    margin-top: 40px;
}

/* Responsive Styles for Cooperation Page */
@media (max-width: 768px) {
    .partner-benefits-grid,
    .support-grid,
    .stories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .story-results {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .model-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .why-partner,
    .cooperation-models,
    .support-system,
    .success-stories {
        padding: 50px 0;
    }

    .partner-benefits-grid .benefit-card,
    .support-item,
    .story-card {
        padding: 20px;
    }

    .story-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* ===== New Partners Showcase Section ===== */
.partners-showcase {
    padding: 80px 0;
    background-color: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 60px;
}

.partner-card {
    background-color: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e9ecef;
    text-align: center;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.partner-icon {
    font-size: 3.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.partner-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.partner-content p {
    color: #555;
    margin-bottom: 25px;
    line-height: 1.6;
}

.partner-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    text-align: left;
}

.partner-features li {
    padding: 10px 0;
    color: #555;
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.partner-features i {
    margin-right: 12px;
    font-size: 1.1rem;
    color: #27ae60;
    min-width: 24px;
}

.partner-stats {
    display: flex;
    justify-content: space-around;
    border-top: 1px solid #eee;
    padding-top: 20px;
    margin-top: 20px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Success Stories */
.success-stories {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid #eee;
}

.story-intro {
    text-align: center;
    margin-bottom: 40px;
}

.story-intro h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2rem;
}

.story-intro p {
    color: #555;
    font-size: 1.1rem;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.story-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    border: 1px solid #e9ecef;
}

.story-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.story-avatar {
    width: 50px;
    height: 50px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.story-avatar i {
    font-size: 1.5rem;
    color: white;
}

.story-info h4 {
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.story-company {
    color: #3498db;
    font-weight: 500;
    margin-bottom: 3px;
    font-size: 0.95rem;
}

.story-location {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.story-content p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.story-stats {
    display: flex;
    justify-content: space-around;
    border-top: 1px solid #ddd;
    padding-top: 15px;
}

.story-stat {
    text-align: center;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 3px;
}

.stat-label {
    font-size: 0.85rem;
    color: #7f8c8d;
}

/* Cooperation CTA */
.cooperation-cta {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    border-radius: 15px;
    padding: 50px;
    color: white;
    text-align: center;
    margin-top: 60px;
}

.cta-content h2 {
    color: white;
    margin-bottom: 15px;
    font-size: 2.2rem;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    font-size: 1.1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.cta-feature i {
    font-size: 1.5rem;
    color: rgba(255,255,255,0.9);
}

.cta-feature span {
    color: white;
}

.cooperation-cta .btn-primary {
    background-color: white;
    color: #2c3e50;
    border: none;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 600;
}

.cooperation-cta .btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Responsive Design for Partners Showcase */
@media (max-width: 768px) {
    .partners-grid,
    .stories-grid {
        grid-template-columns: 1fr;
    }

    .partner-card,
    .story-card {
        padding: 25px;
    }

    .partner-stats,
    .story-stats {
        flex-direction: column;
        gap: 15px;
    }

    .cta-features {
        flex-direction: column;
        gap: 20px;
    }

    .cooperation-cta {
        padding: 30px 20px;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .partner-icon {
        font-size: 3rem;
    }

    .partner-card h3 {
        font-size: 1.5rem;
    }

    .story-header {
        flex-direction: column;
        text-align: center;
    }

    .story-avatar {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* 开始合作之旅板块样式 */
.start-cooperation-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    text-align: center;
}

.start-cooperation-content {
    max-width: 800px;
    margin: 0 auto;
}

.start-cooperation-content h2 {
    font-size: 2.5rem;
    color: #1a365d;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.start-cooperation-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #e63946;
    border-radius: 2px;
}

.start-cooperation-content .subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    min-width: 200px;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #e63946 0%, #d90429 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d90429 0%, #b80c1e 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(233, 57, 70, 0.3);
}

.btn-secondary {
    background: white;
    color: #1a365d;
    border: 2px solid #1a365d;
}

.btn-secondary:hover {
    background: #1a365d;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(26, 54, 93, 0.2);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid #e2e8f0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
}

.contact-item i {
    font-size: 2rem;
    color: #e63946;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-item h4 {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 1rem;
    color: #718096;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .start-cooperation-section {
        padding: 60px 20px;
    }

    .start-cooperation-content h2 {
        font-size: 2rem;
    }

    .start-cooperation-content .subtitle {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-item {
        justify-content: center;
        text-align: center;
        flex-direction: column;
    }

    .contact-item i {
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    .start-cooperation-section {
        padding: 40px 15px;
    }

    .start-cooperation-content h2 {
        font-size: 1.8rem;
    }

    .btn-primary, .btn-secondary {
        padding: 14px 24px;
        font-size: 1rem;
    }
}

/* ===== Updated Customer Cases Styles ===== */

/* Customer Case Header */
.customer-case-header {
    background-color: #2c3e50;
    color: white;
    padding: 25px 30px;
    border-radius: 10px 10px 0 0;
    position: relative;
}

.customer-case-badge {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.customer-case-header h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.customer-case-location {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #bdc3c7;
    font-size: 1rem;
}

.customer-case-location i {
    font-size: 1.1rem;
}

/* Case Summary */
.case-summary {
    padding: 30px;
    background-color: white;
}

.case-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f8f9fa;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: transform 0.3s;
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.info-item i {
    font-size: 1.5rem;
    color: #3498db;
    margin-top: 3px;
    min-width: 30px;
}

.info-item div {
    flex: 1;
}

.info-item strong {
    color: #2c3e50;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.info-item p {
    color: #555;
    margin: 0;
    line-height: 1.5;
}

/* Case Results */
.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.result-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background-color: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: #3498db;
}

.result-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-icon i {
    font-size: 1.8rem;
    color: white;
}

.result-content {
    flex: 1;
}

.result-content h4 {
    color: #2c3e50;
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.result-content p {
    color: #555;
    margin-bottom: 8px;
    line-height: 1.5;
    font-size: 1rem;
}

.result-content p:last-child {
    margin-bottom: 0;
}

/* Customer Testimonial */
.customer-testimonial {
    background-color: white;
    padding: 30px;
    border-radius: 0 0 10px 10px;
    border-top: 3px solid #3498db;
    margin-top: 20px;
}

.testimonial-content {
    position: relative;
    padding-left: 40px;
    margin-bottom: 20px;
}

.testimonial-content i {
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    opacity: 0.3;
    font-size: 2rem;
}

.testimonial-content p {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.7;
    font-style: italic;
    margin: 0;
}

.testimonial-author {
    text-align: right;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.testimonial-author strong {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
}

.testimonial-author p {
    color: #666;
    font-size: 0.95rem;
    margin: 5px 0 0 0;
}

/* Updated Customer Case Layout */
.customer-case {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin-bottom: 40px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.customer-case-content {
    padding: 0;
}

/* Responsive Design for Updated Cases */
@media (max-width: 768px) {
    .case-info {
        grid-template-columns: 1fr;
    }

    .case-results {
        grid-template-columns: 1fr;
    }

    .customer-case-header {
        padding: 20px;
    }

    .customer-case-header h3 {
        font-size: 1.5rem;
    }

    .result-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .result-icon {
        margin: 0 auto 15px;
    }

    .info-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .info-item i {
        margin: 0 auto 10px;
    }
}

@media (max-width: 480px) {
    .customer-case {
        margin-bottom: 30px;
    }

    .case-summary {
        padding: 20px;
    }

    .testimonial-content {
        padding-left: 30px;
    }

    .testimonial-content i {
        font-size: 1.5rem;
    }

    .testimonial-content p {
        font-size: 1rem;
    }
}

/* ===== Updated Client Testimonials ===== */
.client-testimonials {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.client-testimonials h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.testimonial-card {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    border: 1px solid #e9ecef;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f8f9fa;
}

.client-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.client-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.client-avatar i {
    font-size: 1.5rem;
    color: white;
}

.client-info h4 {
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 1.2rem;
    font-weight: 600;
}

.client-position {
    color: #3498db;
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.client-company {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin: 0;
}

.client-stats {
    display: flex;
    gap: 15px;
}

.client-stats .stat {
    text-align: center;
    min-width: 70px;
}

.client-stats .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
}

.client-stats .stat-label {
    font-size: 0.85rem;
    color: #7f8c8d;
    line-height: 1.2;
}

.testimonial-content {
    position: relative;
    padding-left: 35px;
    margin-bottom: 25px;
}

.testimonial-content i {
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    opacity: 0.2;
    font-size: 1.8rem;
}

.testimonial-content p {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
    font-style: italic;
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.project-info, .project-duration {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #555;
    font-size: 0.95rem;
}

.project-info i, .project-duration i {
    color: #3498db;
    font-size: 1.1rem;
}

.project-info span, .project-duration span {
    font-weight: 500;
}

/* Responsive Design for Testimonials */
@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .testimonial-header {
        flex-direction: column;
        gap: 20px;
    }

    .client-stats {
        width: 100%;
        justify-content: space-around;
    }

    .testimonial-footer {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .client-testimonials h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .testimonial-card {
        padding: 20px;
    }

    .client-avatar {
        width: 50px;
        height: 50px;
    }

    .client-avatar i {
        font-size: 1.2rem;
    }

    .client-info h4 {
        font-size: 1.1rem;
    }

    .client-stats .stat-value {
        font-size: 1.3rem;
    }

    .testimonial-content {
        padding-left: 30px;
    }

    .testimonial-content i {
        font-size: 1.5rem;
    }

    .testimonial-content p {
        font-size: 1rem;
    }
}


/* Adjust customer case layout for images */
.customer-case-content {
    display: flex;
    flex-direction: column;
}

/* Case image section styles */
.case-image-section {
    margin-top: 30px;
    margin-bottom: 20px;
}

.case-image-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-image-container:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.case-image-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background-color: rgba(44, 62, 80, 0.9);
    color: white;
    font-size: 0.9rem;
    text-align: center;
    font-style: italic;
}

@media (min-width: 768px) {
    .case-image-container {
        max-width: 80%;
        margin: 0 auto;
    }
}

@media (max-width: 767px) {
    .case-image-container {
        max-width: 100%;
        margin: 0 auto 20px;
    }

    .image-caption {
        font-size: 0.85rem;
        padding: 12px;
    }
}

/* WVI液压破碎锤移动端优化 */
@media (max-width: 768px) {
    /* 基础优化 */
    html {
        -webkit-text-size-adjust: 100%;
    }
    
    /* 触摸目标优化 */
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        min-width: 44px;
    }
    
    a, button, .btn-primary, .btn-secondary {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 20px;
    }
    
    /* 输入框优化 */
    input, textarea, select {
        font-size: 16px !important;
        min-height: 44px;
    }
    
    /* 产品列表优化 */
    .product-list-item {
        padding: 15px;
        margin-bottom: 10px;
    }
    
    /* 导航优化 */
    .nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    /* 页脚优化 */
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    /* 联系表单优化 */
    .contact-form {
        padding: 20px;
    }
    
    .contact-form input,
    .contact-form textarea {
        width: 100%;
        margin-bottom: 15px;
    }
}


/* 修复图片标题漂浮问题 - 添加于 2026-04-11 */
.factory-location-image {
    position: relative;
    display: block;
    margin-bottom: 20px;
}

/* 确保图片标题在图片底部正确显示 */
.factory-location-image .image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 15px;
    background-color: rgba(44, 62, 80, 0.85);
    color: white;
    font-size: 0.9rem;
    text-align: center;
    border-radius: 0 0 8px 8px;
    margin: 0;
}

/* 移动端调整 */
@media (max-width: 767px) {
    .factory-location-image .image-caption {
        font-size: 0.85rem;
        padding: 10px 12px;
    }
}