/* 自定义样式 - 白色简约风格 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
}

/* ========== 图片轮播区域样式 - 最高优先级 ========== */
.image-carousel {
    position: relative !important;
    height: 360px !important;
    overflow: hidden !important;
    margin-top: 0 !important;
    z-index: 1;
    max-width: 1200px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    background-color: #f8f9fa !important;
}

.carousel {
    height: 100% !important;
}

.carousel-item {
    height: 360px !important;
    position: relative;
    background-color: #f8f9fa !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.carousel-item img {
    height: 360px !important;
    width: auto !important;
    max-width: 1200px !important;
    object-fit: contain !important;
    object-position: center !important;
}

/* 轮播指示器样式 */
.carousel-indicators {
    bottom: 20px !important;
    z-index: 10 !important;
}

.carousel-indicators button {
    width: 12px !important;
    height: 12px !important;
    border-radius: 50% !important;
    margin: 0 6px !important;
    background-color: rgba(255, 255, 255, 0.5) !important;
    border: none !important;
    transition: all 0.3s ease !important;
    opacity: 0.8 !important;
}

.carousel-indicators button:hover {
    background-color: rgba(255, 255, 255, 0.8) !important;
    opacity: 1 !important;
    transform: scale(1.2) !important;
}

.carousel-indicators button.active {
    background-color: white !important;
    opacity: 1 !important;
    width: 14px !important;
    height: 14px !important;
    transform: scale(1.3) !important;
}

/* ========== 快速导航按钮样式 ========== */
.quick-nav {
    padding: 40px 0 !important;
    background-color: #f8f9fa !important;
    border-bottom: 1px solid #e9ecef !important;
}

.quick-nav-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    text-decoration: none !important;
    color: #2c3e50 !important;
    transition: all 0.3s ease !important;
    padding: 20px !important;
    border-radius: 10px !important;
}

.quick-nav-item:hover {
    background-color: white !important;
    color: var(--primary-color) !important;
    text-decoration: none !important;
    transform: translateY(-5px) !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1) !important;
}

.quick-nav-icon {
    width: 60px !important;
    height: 60px !important;
    background-color: var(--primary-color) !important;
    color: white !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 15px !important;
    transition: all 0.3s ease !important;
}

.quick-nav-item:hover .quick-nav-icon {
    background-color: var(--accent-color) !important;
}

.quick-nav-icon i {
    font-size: 24px !important;
}

.quick-nav-item span {
    font-size: 14px !important;
    font-weight: 500 !important;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #ffffff;
}

/* 网站内容宽度统一 */
.container {
    max-width: 1200px !important;
}

/* 快速导航区域宽度 */
.quick-nav .container {
    max-width: 1200px !important;
}

/* Hero Section 宽度 */
.hero-section .container {
    max-width: 1200px !important;
}

/* Features Section 宽度 */
.features-section .container {
    max-width: 1200px !important;
}

/* Services Preview 宽度 */
.services-preview .container {
    max-width: 1200px !important;
}

/* News Section 宽度 */
.news-section .container {
    max-width: 1200px !important;
}

/* CTA Section 宽度 */
.cta-section .container {
    max-width: 1200px !important;
}

/* Contact Page 宽度 */
.contact-section .container {
    max-width: 1200px !important;
}

/* About Page 宽度 */
.about-section .container {
    max-width: 1200px !important;
}

/* News Detail 宽度 */
.news-detail .container {
    max-width: 1200px !important;
}

/* Footer 宽度 */
.footer .container {
    max-width: 100% !important;
}

/* ========== 侧边栏导航样式 ========== */
.sidebar {
    background-color: #f8f9fa;
    padding: 0;
    border-right: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-nav {
    padding: 20px 0;
}

.sidebar-title {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
}

.sidebar-item:hover {
    background-color: white;
    color: var(--accent-color);
    text-decoration: none;
    border-left-color: var(--accent-color);
}

.sidebar-item.active {
    background-color: white;
    color: var(--accent-color);
    font-weight: 500;
    border-left-color: var(--accent-color);
}

.sidebar-subtitle {
    padding: 5px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
    margin-top: 15px;
    margin-bottom: 5px;
}

.sidebar-item.sub-item {
    padding-left: 35px;
    font-size: 0.9rem;
}

/* 主内容区域样式 */
.main-content {
    padding: 0px;
    padding-top: 0px; /* 减少顶部间距 */
    background-color: white;
    margin-bottom: 20px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .main-content {
        padding: 20px;
        padding-top: 40px;
    }

    .about-content,
    .mission-section,
    .advantages-section,
    .timeline-section,
    .features-section,
    .services-preview,
    .news-section,
    .cta-section {
        padding: 30px 0;
        margin-top: 10px;
    }
}

/* ========== Hero Carousel Styles ========== */
.hero-carousel {
    position: relative;
    height: 360px;
    overflow: hidden;
    background-color: #1a1a1a;
}

.hero-carousel .carousel {
    height: 100%;
}

.hero-carousel .carousel-inner {
    height: 100%;
}

.hero-carousel .carousel-item {
    height: 360px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
    z-index: 1;
}

/* 轮播指示器样式 */
.hero-carousel .carousel-indicators {
    bottom: 30px;
    z-index: 10;
}

.hero-carousel .carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 8px;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.hero-carousel .carousel-indicators button:hover {
    background-color: rgba(255, 255, 255, 0.8);
    opacity: 1;
    transform: scale(1.2);
}

.hero-carousel .carousel-indicators button.active {
    background-color: white;
    opacity: 1;
    width: 14px;
    height: 14px;
    transform: scale(1.3);
}

/* 轮播控制按钮样式 */
.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    margin: 0 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.hero-carousel:hover .carousel-control-prev,
.hero-carousel:hover .carousel-control-next {
    opacity: 1;
}

.hero-carousel .carousel-control-prev:hover,
.hero-carousel .carousel-control-next:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.hero-carousel .carousel-control-prev-icon,
.hero-carousel .carousel-control-next-icon {
    width: 24px;
    height: 24px;
}

/* 公司信息覆盖层 */
.hero-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    pointer-events: none;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    animation: fadeInDown 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 4px rgba(0,0,0,0.7);
    animation: fadeInUp 1s ease 0.3s both;
}

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

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

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    background-color: white !important;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Logo and Brand Styles */
.navbar-brand {
    font-weight: bold;
    color: var(--primary-color) !important;
    text-decoration: none;
    padding: 0;
    margin: 0;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
    text-decoration: none;
}

.brand-logo {
    height: 40px;
    width: auto;
    max-width: 50px;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-cn {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.brand-en {
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.75;
    letter-spacing: -0.2px;
    line-height: 1;
    transform: scale(0.95);
    transform-origin: left center;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.nav-link.active {
    color: var(--accent-color) !important;
}

/* Footer Styles */
.footer {
    background-color: var(--bg-light);
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Hero Section - 更新样式 */
.hero-section {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

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

.btn-hero {
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary.btn-hero:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-primary.btn-hero:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.floating-card i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.floating-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.floating-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Features Section */
.features-section {
    padding: 40px 0;
    background-color: var(--bg-light);
}

.features-section .row {
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
}

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

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.feature-icon i {
    font-size: 2.5rem;
    color: var(--text-light);
    transition: color 0.3s;
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Services Preview Section */
.services-preview {
    padding: 40px 0;
    margin-top: 40px;
    background-color: white;
}

.services-preview .row {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--text-light);
    transition: color 0.3s;
}

.service-card:hover .service-icon i {
    color: white;
}

.service-card h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* News Section */
.news-section {
    padding: 20px 0;
    margin-top: 0px;
    background-color: var(--bg-light);
    background-color: var(--bg-light);
}

.news-section .row {
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

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

.news-card.featured {
    border-left: 4px solid var(--accent-color);
}

.news-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.news-card h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.news-meta i {
    margin-right: 0.5rem;
}

.news-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

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

.news-item h5 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.news-item-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.news-item-link:hover {
    color: var(--accent-color);
    text-decoration: none;
}

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

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

/* CTA Section */
.cta-section {
    background-color: var(--primary-color);
    padding: 40px 0;
    margin-top: 40px;
    color: white;
    text-align: center;
}

.cta-section .row {
    max-width: 1200px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Card Styles */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

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

/* Form Styles */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

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

/* Table Styles */
.table {
    background-color: white;
}

.table th {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline .news-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 20px;
}

.timeline .news-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
}

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

/* Page Hero Section */
.page-hero {
    background-color: var(--bg-light);
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* About Page Styles */
.about-content {
    padding: 40px 0;
    background-color: white;
}

/* Page Hero Sections - 适应新的布局 */
.main-content .page-hero,
.main-content .news-hero,
.main-content .contact-hero {
    padding: 0;
    margin: -40px -40px 40px -40px;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.main-content .page-hero .row,
.main-content .news-hero .row,
.main-content .contact-hero .row {
    padding: 60px 40px;
}

/* 移动端调整 */
@media (max-width: 768px) {
    .main-content .page-hero,
    .main-content .news-hero,
    .main-content .contact-hero {
        margin: -20px -20px 20px -20px;
    }

    .main-content .page-hero .row,
    .main-content .news-hero .row,
    .main-content .contact-hero .row {
        padding: 40px 20px;
    }
}

.about-content h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 15px;
}

.icon-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.icon-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.icon-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.icon-item span {
    display: block;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.icon-item p {
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Mission Section */
.mission-section {
    padding: 40px 0;
    margin-top: 40px;
    background-color: var(--bg-light);
}

.mission-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

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

.mission-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mission-icon i {
    font-size: 2rem;
    color: white;
}

.mission-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Advantages Section */
.advantages-section {
    padding: 40px 0;
    margin-top: 40px;
    background-color: var(--bg-light);
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

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

.advantage-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: white;
}

.advantage-content h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.advantage-content p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* Timeline Section */
.timeline-section {
    padding: 40px 0;
    margin-top: 40px;
    background-color: var(--bg-light);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-left: 4px solid var(--accent-color);
}

.timeline-date {
    min-width: 120px;
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    text-align: center;
    font-weight: 500;
    margin-right: 1.5rem;
}

.timeline-content h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Services Detail Page */
.services-main {
    padding: 60px 0;
    background-color: white;
}

.service-detail-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.service-detail-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-detail-icon i {
    font-size: 2rem;
    color: white;
}

.service-detail-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
}

.service-list li i {
    color: var(--accent-color);
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

/* News Page Styles */
.news-hero {
    background-color: var(--bg-light);
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.news-content {
    padding: 80px 0;
    background-color: white;
}

.news-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.news-card-body {
    padding: 2rem;
}

.news-card-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.news-card-text {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.news-detail-hero {
    background-color: var(--bg-light);
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-hero h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.news-detail-hero .news-meta {
    color: var(--text-light);
    font-size: 1rem;
}

.news-detail-content {
    padding: 60px 0;
    background-color: white;
}

.news-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.news-detail-content h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

.news-detail-content h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 0.5rem;
}

.news-detail-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.news-detail-content blockquote {
    background: var(--bg-light);
    border-left: 4px solid var(--accent-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-light);
}

/* News Detail Additional Styles */
.news-detail-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.news-detail-body h3 {
    color: var(--primary-color);
    margin: 2.5rem 0 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.news-detail-body ul {
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.news-detail-body li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.news-detail-body strong {
    color: var(--primary-color);
    font-weight: 600;
}

.news-navigation {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.related-news {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.related-news-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

.related-news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.related-news-card h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.related-news-card p {
    margin-bottom: 1rem;
}

/* Contact Page Styles */
.contact-hero {
    background-color: var(--bg-light);
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-section {
    padding: 60px 0;
    background-color: white;
}

.contact-info-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
    height: 100%;
}

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

.contact-info-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-info-icon i {
    font-size: 1.8rem;
    color: white;
}

.contact-info-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-info-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-form-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

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

.contact-form label {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-form .form-control {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s;
}

.contact-form .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.service-feature {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--border-color);
}

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

.service-feature-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s;
}

.service-feature:hover .service-feature-icon {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.service-feature-icon i {
    font-size: 2rem;
    color: var(--text-light);
    transition: color 0.3s;
}

.service-feature:hover .service-feature-icon i {
    color: white;
}

.service-feature h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.service-feature p {
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

.working-hours-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

.working-hours-card h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.working-hours-card h4 i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.working-hours-list {
    margin-bottom: 0;
}

.working-hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.working-hours-item .day {
    font-weight: 500;
    color: var(--primary-color);
}

.working-hours-item .time {
    color: var(--accent-color);
    font-weight: 500;
}

/* Footer 友情链接样式 */
.footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-links h4 {
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 30px;
}

.footer-link-item {
    display: block;
    text-align: center;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 5px;
}

.footer-link-item:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

.footer-link-item img {
    height: 60px;
    width: auto;
    margin-bottom: 10px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.footer-link-item:hover img {
    filter: grayscale(0%);
}

.no-image-placeholder {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    margin-bottom: 10px;
}

.no-image-placeholder i {
    font-size: 24px;
    color: #bdc3c7;
}

.footer-link-item:hover .no-image-placeholder i {
    color: #ffffff;
}

.link-title {
    font-size: 12px;
    line-height: 1.4;
    margin: 0;
    min-height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 友情链接布局优化 - 8个链接两行显示 */
.footer-links .row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links .col-md-2 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 10px;
}

/* 平板和手机端适配 */
@media (max-width: 991px) {
    .footer-links .col-sm-3 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
}

@media (max-width: 767px) {
    .footer-links .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 480px) {
    .footer-links .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 40px 0 20px;
}

.footer-copyright {
    color: #95a5a6;
}

.footer-copyright p {
    margin: 5px 0;
}

.footer-copyright a {
    color: #95a5a6;
    text-decoration: none;
}

.footer-copyright a:hover {
    color: #ffffff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-carousel {
        height: 300px;
    }

    .hero-carousel .carousel-item {
        height: 300px;
    }

    .hero-title {
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
    }

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

    .hero-carousel .carousel-control-prev,
    .hero-carousel .carousel-control-next {
        width: 50px;
        height: 50px;
        margin: 0 10px;
    }

    .hero-section {
        padding: 60px 0;
    }

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

    .brand-logo {
        height: 35px;
        max-width: 42px;
    }

    .brand-cn {
        font-size: 1.1rem;
    }

    .brand-en {
        font-size: 0.6rem;
        transform: scale(0.92);
    }

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

    .features-section,
    .services-preview,
    .news-section {
        padding: 40px 0;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .btn-hero {
        margin-bottom: 1rem;
    }

    .hero-image {
        height: 300px;
        margin-top: 2rem;
    }

    .icon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 15px;
    }

    .mission-card,
    .service-detail-card,
    .contact-info-card {
        margin-bottom: 2rem;
    }

    .advantage-item {
        flex-direction: column;
        text-align: center;
    }

    .advantage-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }

    .timeline-item {
        flex-direction: column;
    }

    .timeline-date {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: flex-start;
    }
}