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

:root {
    --primary-color: #2e7d32;
    --primary-dark: #1b5e20;
    --primary-light: #4caf50;
    --secondary-color: #ff9800;
    --text-dark: #333333;
    --text-light: #666666;
    --background-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* 头部导航 */
.header {
    background: linear-gradient(45deg, #0dbd5d, transparent)!important;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-link img {
    height: 60px;
    width: auto;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 2px 0;
    transition: 0.3s;
}

/* 轮播图样式 */
.slider-section {
    margin-top: 99px;
    position: relative;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.slider-track {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.slide {
    position: relative;
    width: 33.333%;
    height: 100%;
    flex-shrink: 0;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slide-content {
    position: absolute;
    bottom: 20%;
    left: 10%;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    max-width: 500px;
}

.slide-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.slide-desc {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.slide-btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid var(--primary-color);
}

.slide-btn:hover {
    background: transparent;
    color: var(--primary-color);
}

/* 轮播图控制按钮 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
}

.slider-btn:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn svg {
    width: 24px;
    height: 24px;
    color: var(--text-dark);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* 轮播图指示器 */
.slider-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.indicator.active {
    background: var(--white);
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 区块样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

/* 关于协会 */
.about-section {
    padding: 5rem 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-indent: 2.2rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.about-stats {
    display: grid;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* 品种介绍 */
.varieties-section {
    padding: 5rem 0;
    background: var(--white);
}

.varieties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.variety-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s;
}

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

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

.variety-content {
    padding: 1.5rem;
}

.variety-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.variety-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--primary-light);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.variety-features {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.variety-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

/* 协会荣誉墙 */
.honors-section {
    padding: 5rem 0;
    background: var(--background-light);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.honor-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
    position: relative;
    border-top: 4px solid var(--primary-color);
}

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

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

.honor-item h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.honor-item p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.honor-year {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* 荣誉证书展示 */
.honors-gallery {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.honors-gallery h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-dark);
    font-size: 1.8rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.certificate-item {
    text-align: center;
    transition: transform 0.3s;
}

.certificate-item:hover {
    transform: scale(1.05);
}

.certificate-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 3px solid var(--primary-light);
}

.certificate-item p {
    color: var(--text-dark);
    font-weight: 500;
}

/* 技术分享 */
.tech-share-section {
    padding: 5rem 0;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.tech-featured {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tech-featured img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.tech-content {
    padding: 2rem;
}

.tech-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.tech-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.tech-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.tech-sidebar {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.tech-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.3s;
}

.tech-item:hover {
    background-color: var(--background-light);
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    border-radius: 4px;
}

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

.tech-item h4 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.tech-item .tech-meta {
    margin-bottom: 0.5rem;
}

.tech-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 最新动态 */
.news-section {
    padding: 2rem 0;
    background: var(--background-light);
}

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

.news-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.news-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* 服务区块 */
.services-section {
    padding: 5rem 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    text-align: center;
    padding: 2rem;
    background: var(--background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

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

.service-item h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

/* 区块页脚 */
.section-footer {
    text-align: center;
    margin-top: 2rem;
}

.view-all-btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background 0.3s;
}

.view-all-btn:hover {
    background: var(--primary-dark);
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

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

.footer-section a:hover {
    color: var(--white);
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .slider-container {
        height: 400px;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .slide-desc {
        font-size: 1rem;
    }
    
    .slide-content {
        left: 5%;
        bottom: 15%;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    
    .slider-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .varieties-grid {
        grid-template-columns: 1fr;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .honors-gallery {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .slider-container {
        height: 132px;
    }
    .slide-btn{
        padding: 0.1rem;
    }
    .slider-section{
        margin-top: 100px;
    }
    
    .slide-title {
        font-size: 1.5rem;
        margin-bottom: 0.1rem;
        display: none;
    }
    .slide-desc{
        font-size: 0.8rem;
    }
    .slide-content {
        left: 1rem;
        bottom: 1rem;
    }
    .about-section{
        padding: 1rem 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .variety-features {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .honor-item {
        padding: 1.5rem;
    }
}

/* 图片懒加载样式 */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s;
}

img.loaded {
    opacity: 1;
}

/* 加载动画 */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

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

/* 性能优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .slider-track {
        transition: none;
    }
}