/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #22c55e;
    --secondary-green: #16a34a;
    --accent-pink: #ec4899;
    --light-pink: #fce7f3;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* 头部样式 */
.site-header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

.brand-icon {
    font-size: 2rem;
}

.site-nav {
    display: flex;
    gap: 2rem;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.toggle-line {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* 英雄区域 */
.hero-area {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://tse-mm.bing.com/th?q=自然背景1') center/cover;
    opacity: 0.15;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(34, 197, 94, 0.85);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    padding: 2rem 0;
}

.hero-heading {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: slideInUp 1s ease;
}

.hero-tagline {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: slideInUp 1s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: slideInUp 1s ease 0.4s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    animation: bounce 2s infinite;
}

.scroll-icon {
    width: 20px;
    height: 20px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
    margin: 0.5rem auto;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* 按钮样式 */
.cta-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.cta-button.primary {
    background: var(--accent-pink);
    color: white;
    border-color: var(--accent-pink);
}

.cta-button.primary:hover {
    background: #db2777;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-button.secondary:hover {
    background: white;
    color: var(--primary-green);
}

.cta-button.large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
}

.section-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.section-heading {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.2rem;
    color: var(--text-medium);
}

/* 公司介绍 */
.company-intro {
    background: var(--bg-white);
}

.intro-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-visual {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.intro-image {
    width: 100%;
    height: auto;
    display: block;
}

.intro-textual h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
}

.intro-textual p {
    color: var(--text-medium);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border-top: 3px solid var(--primary-green);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* 产品展示 */
.products-showcase {
    background: var(--bg-light);
}

.products-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.product-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.product-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-box.reverse {
    direction: rtl;
}

.product-box.reverse > * {
    direction: ltr;
}

.product-visual {
    border-radius: 12px;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.product-box:hover .product-image {
    transform: scale(1.05);
}

.product-details {
    padding: 1rem;
}

.product-name {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-medium);
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: 700;
}

.product-cta {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.product-cta:hover {
    color: var(--accent-pink);
}

/* 优势区域 */
.advantages-area {
    background: var(--bg-white);
}

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

.advantage-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
    border-top: 3px solid var(--primary-green);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: white;
}

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

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.advantage-card p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* 新闻区域 */
.news-area {
    background: var(--bg-light);
}

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

.news-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.news-item:hover .news-image {
    transform: scale(1.1);
}

.news-date-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-green);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-align: center;
}

.date-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.date-text {
    display: block;
    font-size: 0.8rem;
}

.news-body {
    padding: 1.5rem;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.news-summary {
    color: var(--text-medium);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.news-link:hover {
    color: var(--accent-pink);
}

/* CTA区域 */
.call-to-action {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: white;
    text-align: center;
}

.cta-heading {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

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

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-menu {
    list-style: none;
}

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

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-menu a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
    color: rgba(255, 255, 255, 0.7);
}

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

.social-media {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-item {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.social-item:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* 页面头部 */
.page-banner {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.banner-subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* 产品页面 */
.products-listing {
    padding: 3rem 0;
}

.filter-bar {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-button {
    padding: 0.75rem 1.5rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-button:hover,
.filter-button.active {
    background: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.product-entry {
    display: flex;
    gap: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.product-entry:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.product-preview {
    width: 300px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.product-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    flex: 1;
}

.product-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-pink);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.product-actions {
    display: flex;
    gap: 1rem;
}

/* 关于页面 */
.history-section {
    padding: 3rem 0;
}

.history-timeline {
    position: relative;
    padding-left: 2rem;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-entry {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.timeline-entry::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-green);
    border: 3px solid var(--bg-white);
    box-shadow: 0 0 0 3px var(--primary-green);
}

.timeline-marker {
    position: absolute;
    left: -5rem;
    top: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    width: 4rem;
    text-align: right;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.timeline-content p {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-photo {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    margin-top: 1rem;
}

.mission-vision {
    background: var(--bg-light);
    padding: 3rem 0;
}

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

.mission-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
}

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

.mission-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.mission-card p {
    color: var(--text-medium);
    line-height: 1.6;
}

.team-showcase {
    padding: 3rem 0;
}

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

.team-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.team-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-green);
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.team-position {
    color: var(--primary-green);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-bio {
    color: var(--text-medium);
    line-height: 1.6;
}

.culture-section {
    background: var(--bg-light);
    padding: 3rem 0;
}

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

.culture-card {
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    border-left: 4px solid var(--primary-green);
}

.culture-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.culture-card p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* 联系页面 */
.contact-page {
    padding: 3rem 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form-section {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.form-heading {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-intro {
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-weight: 500;
    color: var(--text-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

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

.info-heading {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-entry {
    display: flex;
    gap: 1rem;
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-details h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-details p {
    color: var(--text-medium);
    margin-bottom: 0.25rem;
}

.map-section {
    margin-top: 2rem;
}

.map-heading {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.map-address {
    padding: 1rem;
    background: var(--bg-light);
    color: var(--text-medium);
    text-align: center;
}

.social-section {
    margin-top: 2rem;
}

.social-heading {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.social-button {
    padding: 0.75rem 1.5rem;
    background: var(--primary-green);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.social-button:hover {
    background: var(--accent-pink);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        display: none;
    }

    .site-nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-heading {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .section-heading {
        font-size: 2rem;
    }

    .intro-layout {
        grid-template-columns: 1fr;
    }

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

    .product-box {
        grid-template-columns: 1fr;
    }

    .product-box.reverse {
        direction: ltr;
    }

    .advantages-container,
    .news-container {
        grid-template-columns: 1fr;
    }

    .product-entry {
        flex-direction: column;
    }

    .product-preview {
        width: 100%;
        height: 250px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

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

    .timeline-marker {
        position: static;
        width: auto;
        text-align: left;
        margin-bottom: 0.5rem;
    }

    .timeline-entry {
        padding-left: 2rem;
    }

    .history-timeline {
        padding-left: 1rem;
    }
}

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

    .hero-actions {
        flex-direction: column;
    }

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