/* 全局样式 */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6600;
    --dark-color: #333333;
    --light-color: #f4f4f4;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --max-width: 1200px;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f8f8;
}

a {
    color: #0066cc;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #004080;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 标题样式 */
h1, h2, h3 {
    margin-bottom: 20px;
    color: #444;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #0066cc;
    color: white;
    border-radius: 5px;
    text-align: center;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #004080;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* 语言选择器 */
.language-selector {
    font-size: 14px;
}

.lang-switch {
    margin-left: 5px;
    padding: 2px 5px;
}

.lang-switch.active {
    font-weight: bold;
    color: #0066cc;
}

/* 页眉 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    margin-left: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-img {
    max-height: 250px;
    max-width: 180px;
    width: auto;
    display: block;
}

.logo a {
    display: inline-block;
}

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

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: #444;
    font-weight: 500;
}

nav ul li a.active,
nav ul li a:hover {
    color: #0066cc;
}

/* 首页英雄区 */
.hero {
    padding: 150px 0 100px;
    text-align: center;
    background-color: #f0f5ff;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #0066cc;
}

.hero p {
    font-size: 1.2rem;
    margin: 0 auto 40px;
    color: #666;
}

.amazon-button {
    margin-top: 30px;
}

/* 特色部分 */
.features {
    padding: 60px 0;
    background-color: var(--light-color);
}

.features h2,
.products-preview h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}

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

.feature {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

/* 产品预览 */
.products-preview {
    padding: 60px 0;
}

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

.category {
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.category:hover {
    transform: scale(1.03);
}

.category img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category h3 {
    padding: 15px;
    background-color: #fff;
    margin: 0;
    text-align: center;
}

.products-preview .btn {
    display: block;
    width: 200px;
    margin: 0 auto;
    text-align: center;
}

/* 页脚 */
footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-section {
    margin-bottom: 20px;
    min-width: 200px;
}

.footer-section h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 15px;
}

.social-icons a {
    display: inline-block;
    margin-right: 15px;
    font-size: 1.5rem;
    color: #fff;
}

.social-icons a:hover {
    color: #0066cc;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

/* 页面头部 */
.page-header {
    background: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 40px 0;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

/* 产品页面 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.categories-grid .category {
    background-color: #fff;
    text-align: center;
}

.categories-grid .category p {
    padding: 0 15px 15px;
}

.categories-grid .category .btn-small {
    margin: 0 15px 15px;
}

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

.product {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.rating {
    color: #f8ce0b;
    margin-bottom: 10px;
}

.rating span {
    color: var(--dark-color);
    margin-left: 5px;
}

.featured-products,
.product-categories {
    padding: 60px 0;
}

.featured-products h2,
.product-categories h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

/* 关于我们页面 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    position: relative;
    padding-bottom: 15px;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: #0066cc;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.about-content {
    padding: 100px 0;
    background-color: white;
}

.about-intro {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #555;
}

.amazon-link-small {
    margin-top: 30px;
    text-align: center;
}

.amazon-link-small a {
    display: inline-block;
    padding: 10px 20px;
    border: 2px solid #0066cc;
    border-radius: 5px;
    color: #0066cc;
    font-weight: 500;
    transition: all 0.3s ease;
}

.amazon-link-small a:hover {
    background-color: #0066cc;
    color: white;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

.mission, .vision {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 5px;
}

.mission h2, .vision h2 {
    margin-bottom: 15px;
    font-size: 24px;
    color: var(--primary-color);
}

.values {
    margin-bottom: 50px;
}

.values h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.value {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.value i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.milestones h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

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

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--light-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

.milestone {
    position: relative;
    width: 50%;
    padding: 10px 40px;
    box-sizing: border-box;
}

.milestone:nth-child(odd) {
    left: 0;
}

.milestone:nth-child(even) {
    left: 50%;
}

.date {
    position: absolute;
    width: 40px;
    height: 40px;
    right: -20px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    font-size: 14px;
    z-index: 1;
}

.milestone:nth-child(even) .date {
    left: -20px;
}

.milestone-content {
    padding: 20px;
    background-color: #fff;
    position: relative;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.milestone-content h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: var(--primary-color);
}

/* 联系页面 */
.contact-content {
    padding: 100px 0;
    background-color: #f0f5ff;
    text-align: center;
}

.simple-contact {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    min-width: 250px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 2rem;
    color: #0066cc;
    margin-bottom: 15px;
}

.info-item p {
    font-size: 1rem;
}

.global-presence {
    padding: 60px 0;
    background-color: var(--light-color);
}

.global-presence h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.regions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.region {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.region i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.region h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.faq {
    padding: 60px 0;
}

.faq h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.faq-item {
    margin-bottom: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    nav ul {
        margin-bottom: 15px;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .hero {
        padding: 150px 0 70px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .about-content,
    .contact-content {
        padding: 70px 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-section {
        margin: 0 auto 30px;
    }
    
    .social-icons {
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero {
        padding: 130px 0 50px;
    }
    
    .hero-content {
        padding: 20px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .simple-contact {
        gap: 30px;
    }
    
    .info-item {
        width: 100%;
        padding: 20px;
    }
}

/* 产品展示区样式 */
.products-showcase {
    padding: 80px 0;
    background-color: #f9f9f9;
}

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

.section-header h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

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

.product-item:hover {
    transform: translateY(-10px);
}

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.product-item h3 {
    font-size: 20px;
    padding: 15px 15px 5px;
    color: #333;
}

.product-item p {
    font-size: 16px;
    padding: 0 15px 15px;
    color: #666;
}

.view-all-products {
    text-align: center;
}

.btn-secondary {
    display: inline-block;
    background-color: #fff;
    color: #ff6b6b;
    padding: 12px 25px;
    border: 2px solid #ff6b6b;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #ff6b6b;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.company-info {
    margin-top: 30px;
    padding: 20px;
    background-color: #f0f5ff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.company-info h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 18px;
}

.company-info p {
    margin-bottom: 10px;
    color: #555;
}

/* Testimonials Section */
.testimonials-section {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.testimonials-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-top: 40px;
}

.testimonial-item {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 25px;
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #f0f0f0;
}

.customer-pet-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.rating {
    color: #FFD700;
    margin-bottom: 15px;
    font-size: 18px;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.6;
    color: #555;
}

.customer-name {
    font-weight: 600;
    color: #333;
}

/* Advantages Section */
.advantages-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.advantages-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
}

.advantage-item {
    flex: 1 1 220px;
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    background-color: #f0f0f0;
}

.advantage-icon {
    font-size: 36px;
    margin-bottom: 20px;
    color: #4a74c9;
    height: 70px;
    width: 70px;
    line-height: 70px;
    border-radius: 50%;
    background-color: rgba(74, 116, 201, 0.1);
    display: inline-block;
}

.advantage-item h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 20px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .testimonials-container, 
    .advantages-container {
        flex-direction: column;
    }
    
    .testimonial-item,
    .advantage-item {
        margin-bottom: 20px;
    }
}

/* About Grid Styles */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 30px 0;
}

.about-grid-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.about-icon {
    font-size: 30px;
    margin-bottom: 15px;
    color: #0066cc;
    height: 60px;
    width: 60px;
    line-height: 60px;
    border-radius: 50%;
    background-color: rgba(0, 102, 204, 0.1);
    display: inline-block;
}

.about-grid-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.about-grid-item p {
    color: #666;
    font-size: 0.95rem;
}

/* Enhanced Contact Styles */
.contact-intro {
    max-width: 700px;
    margin: 0 auto 30px;
    text-align: center;
}

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

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

.contact-options .info-item {
    flex: 1 1 200px;
    max-width: 250px;
}

.info-item h3 {
    margin: 10px 0;
    color: #333;
    font-size: 17px;
}

.business-hours {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.business-hours h3 {
    color: #0066cc;
    margin-bottom: 10px;
    font-size: 18px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-options .info-item {
        width: 100%;
        max-width: 300px;
    }
}