/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2d5a27;
    font-weight: 700;
    font-size: 1.5rem;
}

/* Logo样式 */
.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
    transition: all 0.3s ease;
}

.logo-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(74, 124, 89, 0.4);
}

.logo-text h2 {
    color: #2d5a27;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
    line-height: 1.2;
}

.logo-text span {
    color: #666;
    font-size: 0.8rem;
    font-weight: 400;
    display: block;
    margin-top: 0.2rem;
}

/* 图片备用样式 */
.fallback-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.fallback-logo {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
}

.fallback-gallery {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4a7c59;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #4a7c59;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页横幅背景 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    background: url('https://images.pexels.com/photos/2255935/pexels-photo-2255935.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
    filter: brightness(0.7);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 124, 89, 0.8) 0%, rgba(45, 90, 39, 0.9) 100%);
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: #4a7c59;
    border: 2px solid #4a7c59;
}

.btn-secondary:hover {
    background: #4a7c59;
    color: white;
    transform: translateY(-2px);
}

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

.hero-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 通用部分样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2d5a27;
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们背景 */
.about {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.about-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-bg-image {
    width: 100%;
    height: 100%;
    background: url('https://images.pexels.com/photos/2255935/pexels-photo-2255935.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
    filter: brightness(0.3);
}

.about-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
}

.about .container {
    position: relative;
    z-index: 2;
}

/* 关于我们 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: #2d5a27;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.8;
}

/* 特色展示区域 - 更丰富的渐变 */
.features {
    padding: 4rem 0;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 50%, #1a3d1a 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.features::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"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s infinite linear;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* 服务项目 - 彩色背景 */
.services {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(74, 124, 89, 0.05) 50%, transparent 70%);
}

.service-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(74, 124, 89, 0.1);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4a7c59, #2d5a27, #4a7c59);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f0f8f0 100%);
}

.service-card:hover .service-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.3rem;
    color: #2d5a27;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

.service-image {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
    opacity: 0;
    transition: all 0.5s ease;
}

.service-image img.loaded {
    opacity: 1;
}

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

.service-fallback {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* 产品展示 - 彩色背景 */
.products {
    padding: 6rem 0;
    background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 50%, #c3e6cb 100%);
    position: relative;
}

.products::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"><circle cx="10" cy="10" r="1" fill="rgba(74,124,89,0.1)"/><circle cx="90" cy="20" r="0.5" fill="rgba(74,124,89,0.1)"/><circle cx="20" cy="90" r="0.8" fill="rgba(74,124,89,0.1)"/></svg>');
}

.product-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fff8 100%);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(74, 124, 89, 0.1);
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(74, 124, 89, 0.05) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.product-card:hover::after {
    transform: translateX(100%);
}

.product-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: #4a7c59;
    background: linear-gradient(135deg, #ffffff 0%, #f0f8f0 100%);
    box-shadow: 0 15px 35px rgba(74, 124, 89, 0.2);
}

.product-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
}

.product-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(74, 124, 89, 0.4);
}

.product-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.product-card:hover .product-image {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(74, 124, 89, 0.4);
}

.product-image.img-cover {
    background: none;
    width: 100px;
    height: 100px;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    padding: 0;
    position: relative;
}

.product-image.img-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 16px;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-image.img-cover img.loaded {
    opacity: 1;
}

.product-image.img-cover img.loaded + .fallback-icon {
    display: none;
}

.fallback-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.product-card h3 {
    font-size: 1.2rem;
    color: #2d5a27;
    margin-bottom: 1rem;
    font-weight: 600;
}

.product-card p {
    color: #666;
}

/* 农场实景展示 */
.gallery {
    padding: 6rem 0;
    background: #f8f9fa;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.gallery-item:hover::before {
    transform: translateX(100%);
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.gallery-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-icon {
    opacity: 1;
    transform: scale(1.1);
}



.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 客户评价 - 彩色背景 */
.testimonials {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f3ff 50%, #d1ecf1 100%);
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(74, 124, 89, 0.03) 50%, transparent 70%);
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(74, 124, 89, 0.1);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: #4a7c59;
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #ffffff 0%, #f0f8f0 100%);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.author-info h4 {
    color: #2d5a27;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

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

/* 联系我们背景 */
.contact {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.contact-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.contact-bg-image {
    width: 100%;
    height: 100%;
    background: url('https://images.pexels.com/photos/2255935/pexels-photo-2255935.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
    filter: brightness(0.4);
}

.contact-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(248, 249, 250, 0.9);
}

.contact .container {
    position: relative;
    z-index: 2;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 联系信息卡片 - 彩色背景 */
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(74, 124, 89, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(74, 124, 89, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f0f8f0 100%);
}

.contact-item i {
    font-size: 1.5rem;
    color: #4a7c59;
    margin-top: 0.2rem;
    background: linear-gradient(135deg, #4a7c59, #2d5a27);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-item h4 {
    color: #2d5a27;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

/* 表单样式 - 彩色边框 */
.contact-form {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, #4a7c59, #2d5a27);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4a7c59;
    box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
    background: #ffffff;
}

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

/* 页脚 - 更丰富的渐变 */
.footer {
    background: linear-gradient(135deg, #2d5a27 0%, #1a3d1a 50%, #0f2d0f 100%);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::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"><circle cx="15" cy="15" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="85" cy="25" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="85" r="0.8" fill="rgba(255,255,255,0.1)"/></svg>');
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a7c59;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-placeholder {
        width: 200px;
        height: 200px;
        font-size: 3rem;
    }

    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 2.5rem;
    }

    .service-image {
        height: 150px;
    }

    .gallery-item {
        height: 200px;
    }
}

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

    .hero-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .service-card,
    .product-card {
        padding: 1.5rem;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 背景视差效果 */
.hero-bg-image,
.about-bg-image,
.contact-bg-image {
    transform: translateZ(0);
    will-change: transform;
}

/* 动画效果 */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0px) rotate(360deg); }
}

/* 统计数字 - 彩色背景 */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 12px;
    transition: transform 0.3s ease;
    color: white;
    box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.stat-item:hover::before {
    transform: translateX(100%);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(74, 124, 89, 0.4);
}

.stat-item h4 {
    font-size: 2rem;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.stat-item p {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
} 

/* 特色展示区域网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* 服务项目网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* 产品展示网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* 客户评价网格 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* 页脚网格 */
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

/* 关于我们图片 */
.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5a27 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    box-shadow: 0 8px 25px rgba(74, 124, 89, 0.3);
}