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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid transparent;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: #1a5fb4;
    border-color: #1a5fb4;
    color: #fff;
}

.btn-primary:hover {
    background: #1552a0;
    border-color: #1552a0;
}

.btn-outline {
    background: transparent;
    border-color: #1a5fb4;
    color: #1a5fb4;
}

.btn-outline:hover {
    background: #1a5fb4;
    color: #fff;
}

.btn-white {
    background: #fff;
    border-color: #fff;
    color: #1a5fb4;
}

.btn-white:hover {
    background: #f0f0f0;
    border-color: #f0f0f0;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-block {
    display: block;
    width: 100%;
}

.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    font-size: 1.5rem;
    color: #1a5fb4;
    font-weight: 600;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    font-size: 16px;
    color: #333;
    padding: 10px 0;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: #1a5fb4;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #1a5fb4;
    transition: width 0.3s;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.main {
    margin-top: 70px;
}

.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 1;
}

.banner-item.active {
    opacity: 1;
    z-index: 2;
}

.banner-item .container {
    position: relative;
    height: 100%;
    z-index: 3;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    color: #fff;
    max-width: 600px;
    z-index: 4;
}

.banner-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.banner-dots .dot.active {
    background: #fff;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2rem;
    color: #1a5fb4;
    margin-bottom: 15px;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

.section-header.light h2,
.section-header.light p {
    color: #fff;
}

.bg-light {
    background: #f8f9fa;
}

.about-preview .about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-preview .about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.about-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
}

.feature-item i {
    font-size: 2.5rem;
    color: #1a5fb4;
    margin-bottom: 10px;
    display: block;
}

.feature-item span {
    font-weight: 500;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.12);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    font-size: 0.95rem;
}

.service-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.service-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-icon i {
    font-size: 2rem;
    color: #fff;
}

.service-card-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.service-card-desc {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.6;
    text-align: left;
}

.service-card-more {
    display: inline-block;
    color: #1a5fb4;
    font-weight: 500;
    font-size: 0.9rem;
}

.service-card-more i {
    transition: transform 0.3s;
}

.service-card:hover .service-card-more i {
    transform: translateX(5px);
}

.services-page .services-grid {
    grid-template-columns: repeat(3, 1fr);
}

.security-highlight {
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    color: #fff;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.security-item {
    text-align: center;
}

.security-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon i {
    font-size: 2rem;
    color: #fff;
}

.security-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.security-item p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.12);
}

.news-image {
    height: 200px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image i {
    font-size: 3rem;
    color: #ccc;
}

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

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 10px;
    display: block;
}

.news-content h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #333;
}

.news-content p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: #1a5fb4;
    font-size: 0.95rem;
}

.news-link:hover {
    text-decoration: underline;
}

.footer {
    background: #1a1a2e;
    color: #fff;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-info h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

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

.footer-info i {
    margin-right: 10px;
    color: #1a5fb4;
}

.footer-links h4,
.footer-qr h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: #1a5fb4;
}

.qr-placeholder {
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
}

.qr-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
    display: block;
}

.qr-placeholder p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 5px;
}

.page-banner {
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.page-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-banner p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.security-banner {
    background: linear-gradient(135deg, #26a269 0%, #33d17a 100%);
}

.about-page .about-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: #666;
    text-align: left;
}

.about-page .about-intro p {
    text-indent: 2em;
}

.about-details .detail-section {
    margin-bottom: 50px;
}

.about-details h2 {
    font-size: 1.5rem;
    color: #1a5fb4;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-details h2 i {
    color: #1a5fb4;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #1a5fb4;
}

.timeline-item {
    position: relative;
    padding-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: #1a5fb4;
    border-radius: 50%;
}

.timeline-year {
    font-weight: 600;
    color: #1a5fb4;
    margin-bottom: 5px;
}

.timeline-content {
    color: #666;
}

.honor-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.honor-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.honor-item i {
    color: #1a5fb4;
    font-size: 1.5rem;
}

.services-page .services-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: #666;
    text-align: left;
}

.services-page .services-intro p {
    text-indent: 2em;
}

.service-detail {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.service-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.service-more {
    padding: 15px 30px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
    text-align: right;
    color: #1a5fb4;
    font-weight: 500;
}

.service-more i {
    transition: transform 0.3s;
}

.service-detail:hover .service-more i {
    transform: translateX(5px);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-icon-large i {
    font-size: 2rem;
    color: #fff;
}

.service-title h2 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.service-title p {
    color: #666;
}

.service-body {
    padding: 30px;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.feature h4 {
    color: #333;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature h4 i {
    color: #26a269;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

.security-page .security-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: #666;
    text-align: left;
}

.security-page .security-intro p {
    text-indent: 2em;
}

.security-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.security-block {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    padding: 30px;
}

.security-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #26a269 0%, #33d17a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.security-icon-wrapper i {
    font-size: 1.5rem;
    color: #fff;
}

.security-block h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.security-content p {
    color: #666;
    margin-bottom: 15px;
}

.security-list {
    list-style: none;
}

.security-list li {
    padding: 8px 0;
    color: #666;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.security-list li i {
    color: #26a269;
    margin-top: 3px;
}

.news-page .news-empty {
    text-align: center;
    padding: 80px 0;
    color: #999;
}

.news-page .news-empty i {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.news-list .news-item {
    display: flex;
    gap: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    overflow: hidden;
}

.news-item .news-image {
    width: 280px;
    flex-shrink: 0;
    height: auto;
    min-height: 200px;
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
}

.news-image-placeholder i {
    font-size: 3rem;
    color: #ccc;
}

.news-item .news-content {
    flex: 1;
    padding: 25px 25px 25px 0;
}

.news-item .news-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.news-item .news-content h3 a:hover {
    color: #1a5fb4;
}

.news-item .news-content p {
    margin-bottom: 15px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #666;
    transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
    background: #1a5fb4;
    border-color: #1a5fb4;
    color: #fff;
}

.news-detail {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.news-detail-header h1 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.news-meta {
    color: #999;
}

.news-meta span {
    margin: 0 15px;
}

.news-meta i {
    margin-right: 5px;
}

.news-detail-image {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.news-detail-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
}

.news-detail-body p {
    margin-bottom: 20px;
}

.news-detail-body h3 {
    margin: 30px 0 15px;
    color: #1a5fb4;
}

.news-detail-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #333;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.2rem;
    color: #fff;
}

.info-content h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: #333;
}

.info-content p {
    color: #666;
}

.contact-hours {
    margin-top: 40px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-hours h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #333;
}

.contact-hours p {
    color: #666;
    margin-bottom: 5px;
}

.contact-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a5fb4;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.alert {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .security-sections {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav {
        display: none;
        width: 100%;
        padding-top: 15px;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .nav li {
        border-bottom: 1px solid #eee;
    }
    
    .nav a {
        display: block;
        padding: 15px 0;
    }
    
    .banner {
        height: 400px;
    }
    
    .banner-content h2 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .page-banner {
        padding: 60px 0;
    }
    
    .page-banner h1 {
        font-size: 2rem;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .honor-list {
        grid-template-columns: 1fr;
    }
    
    .news-list .news-item {
        flex-direction: column;
    }
    
    .news-item .news-image {
        width: 100%;
        height: 200px;
    }
    
    .news-item .news-content {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        gap: 20px;
    }
}

.service-detail-page {
    max-width: 900px;
    margin: 0 auto;
}

.service-detail-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.service-icon-big {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.service-icon-big i {
    font-size: 3rem;
    color: #fff;
}

.service-detail-header h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #333;
}

.service-detail-header .service-desc {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
    text-indent: 2em;
}

.service-detail-content {
    line-height: 1.8;
    color: #444;
    margin-bottom: 50px;
    text-align: left;
}

.service-detail-content h3 {
    font-size: 1.3rem;
    margin: 30px 0 15px;
    color: #333;
}

.service-detail-content p {
    margin-bottom: 15px;
    text-indent: 2em;
}

.service-detail-content ul {
    margin: 15px 0;
    padding-left: 20px;
}

.service-detail-content li {
    margin-bottom: 10px;
}

.service-detail-footer {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.page-content {
    margin-bottom: 40px;
    line-height: 1.8;
    color: #444;
    text-align: left;
}

.page-content p {
    margin-bottom: 15px;
    text-indent: 2em;
}

.page-content h2,
.page-content h3 {
    margin: 25px 0 15px;
    color: #333;
}

.page-content ul,
.page-content ol {
    margin: 15px 0;
    padding-left: 25px;
}

.page-content li {
    margin-bottom: 8px;
}