/* 全局样式 */
:root {
    --primary-color: #2c5530;
    --secondary-color: #4a7c59;
    --accent-color: #7fb069;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Page Header Styles */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0 60px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><path d="M0,20 Q50,0 100,20 L100,0 L0,0 Z" fill="rgba(255,255,255,0.1)"/></svg>') center bottom / cover no-repeat;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 2;
}

.breadcrumb-item a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--white);
}

.breadcrumb-item.active {
    color: var(--white);
}

/* News Page Styles */
.news-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.news-filters .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-size: 14px;
    transition: var(--transition);
}

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

.news-search .input-group {
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-search .form-control {
    border: none;
    padding: 12px 20px;
    border-radius: 25px 0 0 25px;
}

.news-search .btn {
    border-radius: 0 25px 25px 0;
    padding: 12px 20px;
}

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

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

.article-image {
    position: relative;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.featured-article:hover .article-image img {
    transform: scale(1.05);
}

.article-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.article-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-light);
    font-size: 14px;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Sidebar Styles */
.sidebar-widget {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

.widget-title {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
}

.hot-article {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.hot-article:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.hot-article-image img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.hot-article-content h6 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    transition: var(--transition);
}

.hot-article-content h6 a:hover {
    color: var(--primary-color);
}

.newsletter-form .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 5px 12px;
    border-radius: 15px;
    text-decoration: none;
    font-size: 12px;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* News Item Styles */
.news-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.news-item-image {
    position: relative;
    overflow: hidden;
}

.news-item-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.news-item:hover .news-item-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.news-item-content h5 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 16px;
    line-height: 1.4;
    transition: var(--transition);
}

.news-item-content h5 a:hover {
    color: var(--primary-color);
}

.news-meta {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

/* Contact Page Styles */
.contact-info-section {
    padding: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.contact-details h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-details p {
    margin-bottom: 5px;
    color: var(--text-light);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--secondary-color);
}

.social-links-large {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Contact Form Styles */
.contact-form-section {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form .form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-form .form-control,
.contact-form .form-select {
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 12px 15px;
    transition: var(--transition);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 85, 48, 0.1);
}

/* Map Styles */
.map-container {
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-content {
    text-align: center;
    color: var(--text-light);
}

/* Service Card Styles */
.service-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.service-card h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

/* Message Page Styles */
.message-form-section {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.message-form .form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.rating-stars {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
}

.rating-stars i {
    font-size: 1.5rem;
    color: #ddd;
    cursor: pointer;
    transition: var(--transition);
}

.rating-stars i:hover,
.rating-stars i.active {
    color: #ffc107;
}

.guidelines {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
}

.guideline-item i {
    margin-top: 2px;
    flex-shrink: 0;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-option i {
    font-size: 1.2rem;
    width: 30px;
    text-align: center;
}

.contact-option strong {
    display: block;
    color: var(--text-dark);
    font-size: 14px;
}

.contact-option a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.contact-option a:hover {
    color: var(--primary-color);
}

/* Product Page Styles */
.products-content {
    background: var(--bg-light);
}

.product-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.product-filters .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-size: 14px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: var(--white);
}

.product-filters .btn:hover,
.product-filters .btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 85, 48, 0.3);
}

.product-search .input-group {
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.product-search .form-control {
    border: none;
    padding: 12px 20px;
    border-radius: 25px 0 0 25px;
    border-right: none;
}

.product-search .btn {
    border-radius: 0 25px 25px 0;
    padding: 12px 20px;
    border-left: none;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

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

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

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
    z-index: 2;
}

.product-badge.hot {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.product-badge.new {
    background: linear-gradient(135deg, #00d2d3, #54a0ff);
}

.product-badge.eco {
    background: linear-gradient(135deg, #7ed321, #4cd137);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 85, 48, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-view-details {
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transform: translateY(20px);
    transition: var(--transition);
}

.product-card:hover .btn-view-details {
    transform: translateY(0);
}

.product-info {
    padding: 25px;
}

.product-category {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.product-title {
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
    font-size: 1.1rem;
}

.product-description {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.feature-tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.feature-tag i {
    color: var(--accent-color);
}

.product-specs {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
}

.spec-item:last-child {
    margin-bottom: 0;
}

.spec-label {
    color: var(--text-light);
    font-weight: 500;
}

.spec-value {
    color: var(--text-dark);
    font-weight: 600;
}

.product-action {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-contact {
    flex: 1;
    border-radius: 25px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
}

.btn-favorite {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #e9ecef;
    color: #6c757d;
    transition: var(--transition);
}

.btn-favorite:hover,
.btn-favorite.active {
    border-color: #dc3545;
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.btn-favorite.active i {
    color: #dc3545;
}

/* Product Detail Modal */
.modal-lg {
    max-width: 900px;
}

.product-detail-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.product-category-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-detail-info h4 {
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 15px;
}

.product-detail-specs,
.product-detail-features,
.product-detail-usage,
.product-detail-note {
    margin-bottom: 20px;
}

.product-detail-specs h6,
.product-detail-features h6,
.product-detail-usage h6,
.product-detail-note h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1rem;
}

.product-detail-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-detail-specs li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}

.product-detail-specs li:last-child {
    border-bottom: none;
}

.product-detail-features .feature-tag {
    margin-right: 8px;
    margin-bottom: 8px;
}

.product-detail-usage p,
.product-detail-note p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

/* Responsive Product Styles */
@media (max-width: 991.98px) {
    .product-filters {
        justify-content: center;
        margin-bottom: 30px;
    }
    
    .product-search {
        margin-top: 20px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 20px;
    }
}

@media (max-width: 767.98px) {
    .product-filters .btn {
        font-size: 13px;
        padding: 6px 15px;
        margin: 2px;
    }
    
    .product-search .input-group {
        border-radius: var(--border-radius);
    }
    
    .product-search .form-control {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
        border-right: 1px solid #ddd;
        border-bottom: none;
    }
    
    .product-search .btn {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        border-left: 1px solid #ddd;
        border-top: none;
    }
    
    .product-image {
        height: 180px;
    }
    
    .product-action {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-favorite {
        align-self: center;
    }
    
    .modal-dialog {
        margin: 10px;
    }
    
    .product-detail-image {
        margin-bottom: 20px;
    }
}

@media (max-width: 575.98px) {
    .product-filters {
        gap: 5px;
    }
    
    .product-filters .btn {
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    .product-specs {
        padding: 12px;
    }
    
    .feature-tag {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .btn-contact {
        font-size: 13px;
        padding: 8px 16px;
    }
    
    .modal-lg {
        max-width: 100%;
    }
}

/* Product Animation Effects */
@keyframes productCardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.product-card.featured {
    animation: productCardFloat 3s ease-in-out infinite;
}

/* Loading Animation for Products */
.product-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Investment Page Styles */
.investment-hero .hero-stats .stat-item {
    text-align: center;
}

.investment-hero .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.investment-hero .stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

.advantage-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    text-align: center;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.advantage-card h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.investment-type-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.investment-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.investment-type-card.featured {
    border: 2px solid var(--primary-color);
}

.type-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.type-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.type-header h4 {
    margin-bottom: 15px;
    font-weight: 600;
}

.type-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 1.2rem;
    font-weight: 500;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
}

.type-content {
    padding: 30px 20px;
}

.type-features {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.type-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.type-requirements h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.type-footer {
    padding: 20px;
    border-top: 1px solid #eee;
}

.btn-apply {
    width: 100%;
    padding: 12px;
    font-weight: 600;
}

.success-story-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.success-story-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.story-content {
    padding: 20px;
}

.story-content h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.story-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.story-stats .stat {
    background: var(--bg-light);
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-dark);
}

.process-step {
    text-align: center;
    position: relative;
    padding: 20px;
}

.step-number {
    position: absolute;
    top: 0;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon i {
    font-size: 2rem;
    color: var(--white);
}

.process-step h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

/* Career Page Styles */
.career-hero .hero-benefits {
    margin-top: 30px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.benefit-item i {
    font-size: 1.2rem;
}

.job-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.job-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.job-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-light);
    font-size: 14px;
}

.job-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.job-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.job-date {
    color: var(--text-light);
    font-size: 14px;
}

.job-description h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 15px;
}

.job-description ul {
    margin-bottom: 10px;
    padding-left: 20px;
}

.job-description li {
    margin-bottom: 5px;
    color: var(--text-light);
}

.culture-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    text-align: center;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.culture-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.culture-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.culture-card h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.benefit-item-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.benefit-item-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.benefit-content h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.benefit-content p {
    color: var(--text-light);
    font-size: 14px;
    margin: 0;
}

/* Knowledge Page Styles */
.knowledge-hero .hero-stats .stat-item {
    text-align: center;
}

.knowledge-hero .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.knowledge-hero .stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

.category-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    text-align: center;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.category-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.category-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.category-card h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.category-count {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    margin-top: 10px;
}

.knowledge-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.knowledge-filters .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-size: 14px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: var(--white);
}

.knowledge-filters .btn:hover,
.knowledge-filters .btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 85, 48, 0.3);
}

.knowledge-search-box .input-group {
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.knowledge-search-box .form-control {
    border: none;
    padding: 12px 20px;
    border-radius: 25px 0 0 25px;
    border-right: none;
}

.knowledge-search-box .btn {
    border-radius: 0 25px 25px 0;
    padding: 12px 20px;
    border-left: none;
}

.knowledge-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.knowledge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.knowledge-card.featured {
    border: 2px solid var(--primary-color);
}

.knowledge-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

.knowledge-card:hover .knowledge-image img {
    transform: scale(1.05);
}

.knowledge-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.knowledge-content-body {
    padding: 20px;
}

.knowledge-content-body h5 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.knowledge-content-body h5 a:hover {
    color: var(--primary-color);
}

.knowledge-excerpt {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.knowledge-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    color: var(--text-light);
    font-size: 12px;
}

.knowledge-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.knowledge-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.knowledge-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.knowledge-item-image {
    position: relative;
    overflow: hidden;
    height: 150px;
}

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

.knowledge-item:hover .knowledge-item-image img {
    transform: scale(1.05);
}

.knowledge-item-category {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.knowledge-item-content {
    padding: 15px;
}

.knowledge-item-content h6 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    transition: var(--transition);
}

.knowledge-item-content h6 a:hover {
    color: var(--primary-color);
}

.knowledge-item-excerpt {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.5;
    margin: 10px 0;
}

.knowledge-item-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}

.knowledge-item-meta small {
    color: var(--text-light);
    font-size: 11px;
}

.expert-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.expert-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.expert-avatar img {
    width: 60px;
    height: 60px;
}

.expert-info h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 14px;
}

.popular-knowledge {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.popular-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.popular-rank {
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.popular-content h6 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 13px;
    line-height: 1.4;
    transition: var(--transition);
}

.popular-content h6 a:hover {
    color: var(--primary-color);
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quick-link-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
}

.quick-link-item:hover {
    background: var(--primary-color);
    color: var(--white);
}

.knowledge-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-light);
    font-size: 14px;
}

.stat-value {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
}

/* Form Styles for New Pages */
.form-section {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.investment-application-form .form-label,
.resume-application-form .form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.investment-application-form .form-control,
.investment-application-form .form-select,
.resume-application-form .form-control,
.resume-application-form .form-select {
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 12px 15px;
    transition: var(--transition);
}

.investment-application-form .form-control:focus,
.investment-application-form .form-select:focus,
.resume-application-form .form-control:focus,
.resume-application-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 85, 48, 0.1);
}

/* Responsive styles for new pages */
@media (max-width: 767.98px) {
    .job-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .job-actions {
        align-items: flex-start;
    }
    
    .job-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .knowledge-filters {
        justify-content: center;
        margin-bottom: 30px;
    }
    
    .knowledge-filters .btn {
        font-size: 13px;
        padding: 6px 15px;
        margin: 2px;
    }
    
    .expert-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .process-step {
        margin-bottom: 30px;
    }
    
    .form-section {
        padding: 20px;
    }
    
    .investment-type-card,
    .culture-card,
    .category-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 575.98px) {
    .knowledge-filters {
        gap: 5px;
    }
    
    .knowledge-filters .btn {
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .knowledge-item-content {
        padding: 12px;
    }
    
    .popular-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .quick-link-item {
        justify-content: center;
    }
    
    .investment-hero .stat-number,
    .knowledge-hero .stat-number {
        font-size: 1.5rem;
    }
    
    .type-price .amount {
        font-size: 2rem;
    }
}

/* Testimonial Styles */
.testimonial-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.user-details h6 {
    margin: 0;
    font-weight: 600;
    color: var(--text-dark);
}

.rating {
    display: flex;
    gap: 2px;
}

.testimonial-content p {
    color: var(--text-light);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 15px;
}

.testimonial-footer {
    border-top: 1px solid #eee;
    padding-top: 15px;
}

/* Header Top */
.header-top {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.contact-info span {
    margin-right: 20px;
}

.contact-info i {
    margin-right: 5px;
    color: var(--accent-color);
}

.social-links a {
    color: var(--white);
    margin-left: 10px;
    font-size: 18px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Navigation */
.navbar {
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

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

.brand-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.navbar-nav .nav-link {
    color: var(--text-dark);
    font-weight: 500;
    margin: 0 5px;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
}

.hero-slide {
    height: 70vh;
    min-height: 500px;
    background-size: contain !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
    background-attachment: scroll !important;
    position: relative;
    width: 100%;
    /* 使用渐变背景填充留白区域，更美观 */
    background-color: #f8f9fa;
    background-image: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* 确保轮播图容器100%显示 */
.carousel-inner {
    height: 100%;
}

.carousel-item {
    height: 100%;
}

/* Bootstrap轮播组件优化 */
.carousel {
    height: 100%;
}

.carousel-item.active,
.carousel-item-next,
.carousel-item-prev {
    height: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3); /* 轻微半透明遮罩，让文字更清晰 */
    display: flex;
    align-items: center;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(127, 176, 105, 0.4);
}

/* Features Section */
.features-section {
    background: var(--white);
}

.feature-card {
    background: var(--white);
    padding: 40px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

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

/* About Section */
.about-section {
    background: var(--white);
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.about-content {
    padding-left: 30px;
}

.about-stats {
    margin-top: 30px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

/* Products Section */
.products-section {
    background: var(--bg-light);
}

.product-features {
    margin-top: 15px;
}

.product-features .badge {
    margin-right: 8px;
    font-size: 0.75rem;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 85, 48, 0.3);
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 20px;
}

.product-info h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    line-height: 1.6;
}

/* News Section */
.news-section {
    background: var(--white);
}

.news-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 25px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    align-items: flex-start;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.news-date {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: var(--border-radius);
    padding: 15px;
    text-align: center;
    margin-right: 20px;
    min-width: 80px;
}

.news-date .day {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 2px;
}

.news-content {
    flex: 1;
}

.news-content h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.news-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.news-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.news-link:hover i {
    transform: translateX(3px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
}

.footer h5 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer i {
    color: var(--accent-color);
    margin-right: 8px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
    opacity: 1;
}

/* 移动端导航栏优化 */
.navbar-toggler {
    border: none;
    padding: 4px 8px;
    border-radius: var(--border-radius);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2844, 85, 48, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--white);
        margin-top: 15px;
        padding: 20px;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
    }

    .navbar-nav .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid #eee;
        margin: 0;
        border-radius: 0;
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: var(--white);
        margin: 0 -20px;
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* 响应式设计 - 增强移动端优化 */

/* 超大屏幕 (≥1400px) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* 大屏幕 (≥1200px) */
@media (min-width: 1200px) {
    .news-filters .btn {
        font-size: 15px;
        padding: 10px 25px;
    }
}

/* 平板横向 (992px-1199px) */
@media (max-width: 1199.98px) and (min-width: 992px) {
    .page-title {
        font-size: 2.2rem;
    }
    
    .navbar-brand .brand-text {
        font-size: 16px;
    }
    
    .contact-item {
        gap: 15px;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
    }
}

/* 平板竖向 (768px-991px) */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--white);
        margin-top: 15px;
        padding: 20px;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
    }

    .navbar-nav .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid #eee;
        margin: 0;
        border-radius: 0;
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: var(--white);
        margin: 0 -20px;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .featured-article .article-content {
        padding: 30px !important;
    }
    
    .news-filters {
        justify-content: center;
        margin-bottom: 30px;
    }
    
    .news-search {
        margin-top: 20px;
    }
    
    .contact-form-section,
    .message-form-section {
        padding: 30px;
    }
    
    .social-links-large {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .testimonial-card {
        margin-bottom: 20px;
    }
    
    .hero-section,
    .hero-slide {
        height: 65vh;
        min-height: 450px;
        max-height: 700px;
    }
    
    .carousel-inner,
    .carousel-item {
        height: 100%;
    }
}

/* 手机横向 (576px-767px) */
@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .navbar-brand .brand-text {
        font-size: 16px;
    }

    .contact-info span {
        display: block;
        margin-bottom: 5px;
        margin-right: 0;
    }

    .feature-card {
        margin-bottom: 30px;
    }

    .header-top .row {
        text-align: center;
    }

    .header-top .col-md-4 {
        margin-top: 10px;
    }
    
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .news-filters .btn {
        font-size: 13px;
        padding: 6px 15px;
        margin: 2px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .article-meta span {
        justify-content: center;
    }
    
    .sidebar-widget {
        margin-bottom: 20px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .contact-details {
        text-align: center;
    }
    
    .social-links-large {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .service-card {
        text-align: center;
        margin-bottom: 20px;
    }
    
    .rating-stars {
        justify-content: center;
    }
    
    .contact-options {
        gap: 15px;
    }
    
    .contact-option {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .testimonial-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .map-container {
        height: 300px;
    }
    
    .hero-section,
    .hero-slide {
        height: 65vh;
        min-height: 400px;
        max-height: 600px;
    }
    
    .carousel-inner,
    .carousel-item {
        height: 100%;
    }
}

/* 手机竖向 (≤575px) */
@media (max-width: 575.98px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .hero-section,
    .hero-slide {
       height: 70vh;
       min-height: 350px;
       max-height: 600px;
    }
    
    .carousel-inner,
    .carousel-item {
        height: 100%;
    }

    .navbar-brand .brand-text {
        display: none;
    }

    .header-top {
        text-align: center;
        padding: 8px 0;
    }
    
    .contact-info {
        text-align: center;
    }

    .social-links {
        text-align: center;
        margin-top: 10px;
    }

    .about-content {
        padding-left: 0;
        margin-top: 30px;
    }

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

    .news-card {
        flex-direction: column;
        text-align: center;
    }

    .news-date {
        margin-right: 0;
        margin-bottom: 20px;
        align-self: center;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    .feature-icon i {
        font-size: 1.5rem;
    }

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

    .btn-lg {
        padding: 10px 25px;
        font-size: 1rem;
    }
    
    .page-header {
        padding: 50px 0 30px;
    }
    
    .page-title {
        font-size: 1.6rem;
    }
    
    .breadcrumb {
        font-size: 14px;
    }
    
    .news-filters {
        gap: 5px;
    }
    
    .news-filters .btn {
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .featured-article .article-content {
        padding: 20px !important;
    }
    
    .article-title {
        font-size: 1.3rem;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
    
    .widget-title {
        font-size: 1.1rem;
    }
    
    .hot-article {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .hot-article-image {
        align-self: center;
    }
    
    .tags .tag {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .contact-form-section,
    .message-form-section {
        padding: 20px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon i {
        font-size: 1rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .rating-stars i {
        font-size: 1.3rem;
    }
    
    .guideline-item,
    .faq-item {
        font-size: 13px;
    }
    
    .testimonial-card {
        padding: 20px;
    }
    
    .user-avatar {
        width: 35px;
        height: 35px;
    }
    
    .map-container {
        height: 250px;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer .col-lg-4 {
        margin-bottom: 30px;
    }
}

/* 超小屏幕优化 (≤375px) */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .feature-card,
    .product-card,
    .news-card {
        margin-bottom: 20px;
    }

    .hero-section,
    .hero-slide {
        height: 60vh;
        min-height: 300px;
        max-height: 500px;
    }
    
    .carousel-inner,
    .carousel-item {
        height: 100%;
    }
    
    .page-title {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .btn {
        font-size: 14px;
        padding: 8px 16px;
    }
    
    .btn-lg {
        font-size: 16px;
        padding: 10px 20px;
    }
    
    .form-control,
    .form-select {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 10px 12px;
    }
    
    .contact-form-section,
    .message-form-section {
        padding: 15px;
    }
    
    .sidebar-widget {
        padding: 15px;
    }
    
    .testimonial-card {
        padding: 15px;
    }
    
    .news-item-content {
        padding: 15px !important;
    }
    
    .article-content {
        padding: 15px !important;
    }
}

/* 特殊优化 */

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover,
    .product-card:hover,
    .news-item:hover,
    .testimonial-card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    /* 增加触摸目标大小 */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .rating-stars i {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* 横屏手机优化 */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section,
    .hero-slide {
        height: 100vh;
    }
    
    .carousel-inner,
    .carousel-item {
        height: 100%;
    }
    
    .page-header {
        padding: 30px 0 20px;
    }
    
    .navbar {
        padding: 10px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* 打印样式 */
@media print {
    .header-top,
    .navbar,
    .page-header,
    .sidebar,
    .footer {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
    }
    
    .news-content,
    .contact-section,
    .message-section {
        padding: 20px 0 !important;
    }
    
    .featured-article,
    .news-item,
    .contact-form-section,
    .message-form-section {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    a {
        color: #000 !important;
        text-decoration: underline !important;
    }
}

/* 可访问性增强 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 10px rgba(0,0,0,0.3);
    }
    
    .btn-outline-primary {
        border-width: 2px;
    }
    
    .form-control,
    .form-select {
        border-width: 2px;
    }
    
    .news-item,
    .contact-form-section,
    .message-form-section,
    .sidebar-widget {
        border: 2px solid var(--primary-color);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.product-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动行为 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}