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

:root {
    /* Color Scheme */
    --primary-color: #003366;
    --secondary-color: #FF6B35;
    --accent-color: #4CAF50;
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.5rem;
    max-width: 100%;
}

.logo img {
    height: 40px;
    margin-right: 10px;
    flex-shrink: 0; /* 防止图片被压缩 */
}

.logo span {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 50px); /* 减去图片和间距的宽度 */
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-color);
}

.language-switch {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), #004080);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/hero/hero-fande-main-1920x1080.webp') center/cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 51, 102, 0.7);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-white);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    align-items: stretch;
    padding: 0 1rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 51, 102, 0.1);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    width: 100%;
    max-width: 280px;
    min-height: 130px;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
    display: block;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-weight: 500;
    max-width: 100%;
    text-align: center;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Product Categories */
.product-categories {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.category-image {
    height: 250px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-content {
    padding: 2rem;
}

.category-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.category-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Features */
.features {
    padding: var(--section-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    align-items: stretch;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 3rem 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 280px;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    background: var(--primary-color);
}

.feature-icon i {
    font-size: 2.2rem;
    color: var(--text-white);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.feature-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }
    
    .feature-card {
        padding: 2.5rem 1.5rem;
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
        min-height: auto;
    }
}

/* Testimonials */
.testimonials {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-item {
    display: none;
    padding: 2rem;
}

.testimonial-item.active {
    display: block;
}

.testimonial-item p {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.testimonial-author {
    font-weight: 600;
}

.testimonial-author span {
    display: block;
    font-weight: 400;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Quality Page Styles */
.quality-overview {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.certifications {
    padding: 80px 0;
}

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

.cert-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.cert-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.cert-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.cert-status {
    display: inline-block;
    margin-top: 15px;
    padding: 5px 15px;
    background: #e8f5e8;
    color: #2d5a2d;
    border-radius: 20px;
    font-size: 14px;
}

.quality-process {
    padding: 80px 0;
    background: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.testing-labs {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.lab-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.quality-stats {
    padding: 80px 0;
    background: var(--primary-color);
    color: white;
}

.quality-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
    box-sizing: border-box;
}

.quality-stats .stat-item {
    padding: 1.5rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 51, 102, 0.1);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    width: 100%;
    max-width: 220px;
    margin: 0 auto;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 110px;
    box-sizing: border-box;
}

.quality-stats .stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.quality-stats .stat-number {
    font-size: 2rem;
    font-weight: bold;
    display: block;
    margin-bottom: 0.4rem;
    color: var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    line-height: 1.1;
}

.quality-stats .stat-label {
    font-size: 0.85rem;
    color: var(--text-dark);
    line-height: 1.2;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-weight: 500;
    max-width: 100%;
    text-align: center;
}

/* Contact Page Styles */
.contact-options {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.option-card {
    background: white;
    padding: 50px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.option-icon {
    font-size: 48px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.contact-form-section {
    padding: 80px 0;
    background: white;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-primary);
}

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

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

.contact-info {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.info-card {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(0, 51, 102, 0.05) 100%);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 51, 102, 0.1);
    border: 1px solid rgba(0, 51, 102, 0.08);
    transition: all 0.3s ease;
    word-wrap: break-word;
    overflow-wrap: break-word;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 51, 102, 0.15);
    border-color: rgba(255, 107, 53, 0.2);
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
}

.info-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.info-card:nth-child(1) {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(0, 51, 102, 0.05) 100%);
}

.info-card:nth-child(1) .info-icon {
    color: var(--primary-color);
}

.info-card:nth-child(2) {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(255, 107, 53, 0.05) 100%);
}

.info-card:nth-child(2) .info-icon {
    color: var(--secondary-color);
}

.info-card:nth-child(3) {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(76, 175, 80, 0.05) 100%);
}

.info-card:nth-child(3) .info-icon {
    color: var(--accent-color);
}

.info-card:nth-child(4) {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(123, 31, 162, 0.05) 100%);
}

.info-card:nth-child(4) .info-icon {
    color: #7b1fa2;
}

.info-card:hover .info-icon {
    transform: scale(1.1);
}

.map-section {
    padding: 80px 0;
    background: white;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .options-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .cert-grid,
    .labs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Chat Widget Styles */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: var(--font-primary);
}

.chat-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--secondary-color);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
}

.chat-button:hover {
    background: #e55a2b;
    transform: scale(1.05);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-container {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-agent {
    display: flex;
    align-items: center;
    gap: 10px;
}

.agent-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.agent-info h4 {
    margin: 0;
    font-size: 16px;
}

.status {
    font-size: 12px;
    opacity: 0.9;
}

.status.online::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
    margin-right: 5px;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
}

.message {
    margin-bottom: 15px;
    display: flex;
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
}

.message.system .message-content {
    background: white;
    border: 1px solid #e0e0e0;
    color: #333;
}

.message.user .message-content {
    background: var(--secondary-color);
    color: white;
}

.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.quick-replies button {
    background: #f0f0f0;
    border: none;
    padding: 8px 12px;
    border-radius: 15px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.quick-replies button:hover {
    background: #e0e0e0;
}

.chat-input-container {
    padding: 15px;
    background: white;
    border-top: 1px solid #e0e0e0;
}

.chat-input-wrapper {
    display: flex;
    gap: 10px;
}

.chat-input-wrapper input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
}

.chat-input-wrapper button {
    background: var(--secondary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-input-wrapper button:hover {
    background: #e55a2b;
}

/* Responsive Chat */
@media (max-width: 480px) {
    .chat-container {
        width: 100%;
        height: 100vh;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
    
    .chat-widget {
        bottom: 15px;
        right: 15px;
    }
}

/* Image Optimization Classes */
img {
    max-width: 100%;
    height: auto;
}

.lazy-load {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Placeholder for missing images */
.image-placeholder {
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 14px;
}

/* Product image hover effects */
.category-image img,
.testimonial-avatar img {
    transition: transform 0.3s ease;
}

.category-image:hover img,
.testimonial-avatar:hover img {
    transform: scale(1.05);
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #003366, #004080);
    color: #ffffff;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #FF6B35;
    margin-bottom: 20px;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-section p {
    color: #b8c5d6;
    line-height: 1.8;
    margin-bottom: 15px;
}

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

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

.footer-section ul li a {
    color: #b8c5d6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #FF6B35;
}

/* Company Info Section */
.footer-section:first-child {
    max-width: 400px;
}

.company-info {
    margin-bottom: 20px;
}

.company-description {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #FF6B35;
    transform: translateY(-2px);
}

/* Contact Info */
.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #b8c5d6;
}

.contact-info-item i {
    margin-right: 10px;
    color: #FF6B35;
    width: 20px;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #b8c5d6;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #FF6B35;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .contact-info-item {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        gap: 25px;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
}

/* Enhanced Footer with Logo */
.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    margin-right: 15px;
}

.footer-logo-text {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
}

/* Quick Links Styling */
.quick-links {
    display: grid;
    gap: 8px;
}

.quick-links a {
    color: #b8c5d6;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 5px 0;
}

.quick-links a:hover {
    color: #FF6B35;
    padding-left: 5px;
}

/* Market Badges */
.market-badge {
    display: inline-block;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 20px;
    padding: 5px 12px;
    margin: 3px;
    font-size: 0.85rem;
    color: #ffffff;
}

/* Newsletter Section */
.newsletter-section {
    margin-top: 25px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 0.9rem;
}

.newsletter-form input::placeholder {
    color: #b8c5d6;
}

.newsletter-form button {
    padding: 10px 20px;
    background: #FF6B35;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background: #e55a2b;
    transform: translateY(-1px);
}

/* Contact Info Background Fix */
.contact-info {
    background: transparent;
    color: #b8c5d6;
}

.contact-info .contact-info-item {
    background: transparent;
    border: none;
    padding: 0;
    margin-bottom: 15px;
}

/* Ensure consistent background across all footer sections */
.footer-section {
    background: transparent;
}

.footer-section > * {
    background: transparent;
}
/* 新的客户评价样式 */
.testimonials {
    padding: 80px 0;
    background: var(--bg-light);
}

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-item {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.testimonial-item.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 30px;
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.3;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-style: italic;
}

.testimonial-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info {
    text-align: left;
}

.testimonial-info strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.testimonial-info span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 控制按钮样式 */
.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.testimonial-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

/* 指示点样式 */
.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .testimonial-card {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .testimonial-footer {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .testimonial-avatar {
        width: 50px;
        height: 50px;
    }
    
    .testimonial-content p {
        font-size: 1rem;
    }
}
/* 添加到 style.css 的团队卡片样式 */
.team {
    padding: 80px 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.team-avatar {
    margin-bottom: 1.5rem;
}

.team-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.team-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.team-role {
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.team-description {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .team-card {
        padding: 1.5rem;
    }
    
    .team-avatar img {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    .team-card {
        padding: 1.25rem;
    }
}
/* 团队卡片样式 - 保留原有图片名称但显示为小圆形 */
.team {
    padding: 80px 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.team-avatar {
    margin-bottom: 1.5rem;
}

.team-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.team-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.team-role {
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.team-description {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .team-card {
        padding: 1.5rem;
    }
    
    .team-avatar img {
        width: 80px;
        height: 80px;
    }
}
/* 添加到style.css文件的末尾 */

/* Premium Company Story Styles */
.company-story.premium {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.company-story.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23003366" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.story-header {
    text-align: center;
    margin-bottom: 60px;
}

.story-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.story-header h2 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1.2;
}

.story-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.story-content.premium {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.story-text.premium {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.story-highlight h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.story-highlight p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.achievement-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(300px, 1fr)) !important;
        grid-template-rows: auto auto !important;
        gap: 2.5rem !important;
        margin: 40px auto !important;
        max-width: 750px !important;
        width: 100% !important;
        justify-content: center !important;
        padding: 0 2rem !important;
        box-sizing: border-box !important;
    }

@media (max-width: 768px) {
    .achievement-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
        max-width: 400px !important;
    }
}

@media (min-width: 769px) {
    .achievement-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 2.5rem !important;
        max-width: 750px !important;
        justify-content: center !important;
    }
}

.achievement-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 51, 102, 0.1);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100px;
    box-sizing: border-box;
}

.achievement-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    line-height: 1.2;
}

.achievement-label {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-weight: 500;
    max-width: 100%;
    text-align: center;
}

.story-details h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.expertise-list {
    margin-top: 30px;
}

.expertise-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.expertise-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.expertise-item h4 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.expertise-item p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.story-visual {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.ceo-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ceo-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 4px solid var(--secondary-color);
}

.ceo-info h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.ceo-info p {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 5px;
}

.ceo-info span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.global-map {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.map-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat-item i {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

/* Excellence Metrics Section */
.excellence-metrics {
    padding: 80px 0;
    background: white;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.metric-card {
    display: flex;
    gap: 25px;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.metric-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), #ff8c42);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
}

.metric-content h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.metric-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Premium Mission & Vision */
.mission-vision.premium {
    padding: 100px 0;
    background: var(--bg-light);
}

.mv-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.mv-section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.mv-premium-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.mv-premium-card {
    background: white;
    border-radius: 25px;
    padding: 50px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.mv-premium-card:hover {
    transform: translateY(-10px);
}

.mv-premium-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.mv-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), #ff8c42);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.mv-premium-header h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    font-weight: 700;
}

.mission-statement,
.vision-statement {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.mission-pillars,
.vision-goals {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pillar,
.goal-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    font-weight: 500;
}

.pillar i,
.goal-item i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .story-content.premium {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .mv-premium-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .company-story.premium {
        padding: 60px 0;
    }
    
    .story-text.premium {
        padding: 30px;
    }
    
    .story-header h2 {
        font-size: 2.25rem;
    }
    
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .metric-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
    
    .mv-premium-card {
        padding: 30px;
    }
    
    /* Navigation responsive styles */
    .nav-wrapper {
        padding: 0.75rem 0;
    }
    
    .logo {
        font-size: 1.1rem;
        max-width: calc(100vw - 120px);
    }
    
    .logo span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px;
    }

@media (max-width: 768px) {
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        height: 35px;
        margin-right: 8px;
    }
    
    .logo span {
        max-width: calc(100% - 43px); /* 35px图片 + 8px间距 */
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        height: 32px;
        margin-right: 8px;
    }
    
    .logo span {
        max-width: calc(100% - 40px); /* 32px图片 + 8px间距 */
        font-size: 0.85rem;
    }
}

@media (max-width: 375px) {
    .logo img {
        height: 28px;
        margin-right: 6px;
    }
    
    .logo span {
        max-width: calc(100% - 34px); /* 28px图片 + 6px间距 */
        font-size: 0.8rem;
    }
}
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
    }
    
    .stat-item {
        min-width: 110px;
        max-width: 140px;
        padding: 1rem 0.6rem;
    }
    
    .stat-number {
        font-size: 1.3rem;
        margin-bottom: 0.3rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
        line-height: 1;
    }
    
    .achievement-grid {
        gap: 0.8rem;
    }
    
    .achievement-item {
        min-width: 200px;
        max-width: 280px;
        padding: 1.8rem 1.2rem;
    }

    .achievement-number {
        font-size: 2rem;
        margin-bottom: 0.4rem;
    }

    .achievement-label {
        font-size: 0.85rem;
        line-height: 1.2;
    }

    .hero-stats {
        gap: 1.5rem;
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        min-width: 200px;
        max-width: 280px;
        padding: 1.8rem 1.2rem;
        width: 90%;
    }

    .stat-number {
        font-size: 1.8rem;
        margin-bottom: 0.4rem;
    }

    .stat-label {
        font-size: 0.85rem;
        line-height: 1.2;
    }

    .quality-stats .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .quality-stats .stat-item {
        min-width: 200px;
        max-width: 280px;
        padding: 1.8rem 1.2rem;
    }

    .quality-stats .stat-number {
        font-size: 2rem;
    }

    .quality-stats .stat-label {
        font-size: 0.9rem;
    }

    .achievement-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .story-header h2 {
        font-size: 2rem;
    }
    
    .story-subtitle {
        font-size: 1.125rem;
    }
    
    .achievement-item {
        padding: 20px;
    }
    
    .achievement-number {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-item {
        min-width: 150px;
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
        margin-bottom: 0.25rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Mobile logo optimization */
    .logo {
        font-size: 1rem;
    }
    
    .logo span {
        max-width: 150px;
        font-size: 0.9rem;
    }
    
    .logo img {
        height: 32px;
        margin-right: 8px;
    }
}

/* Ultra small screens */
@media (max-width: 375px) {
    .logo span {
        max-width: 120px;
        font-size: 0.85rem;
    }
}

/* Browser-specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .logo span {
        word-break: keep-all;
        white-space: nowrap;
    }
}

@-moz-document url-prefix() {
    .logo span {
        word-break: normal;
        overflow-wrap: normal;
    }
}