:root {
            --primary: #1a365d;
            --secondary: #2c5282;
            --accent: #e53e3e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --dark: #343a40;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
            padding-top: 40px; /* 顶部栏高度 */
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 顶部栏样式 */
        .top-bar {
            background-color: var(--primary);
            color: white;
            padding: 8px 0;
            font-size: 0.85rem;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 2000;
            height: 40px;
            display: flex;
            align-items: center;
        }
        
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .slogan {
            font-weight: 600;
            letter-spacing: 1px;
            color: #ffd700;
            font-size: 0.95rem;
        }
        
        .top-contact {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .contact-icon {
            width: 16px;
            height: 16px;
            fill: white;
        }
        
        .top-links a {
            color: #cbd5e0;
            text-decoration: none;
            margin-left: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        
        .top-links a:hover {
            color: white;
        }
        
        /* 导航栏样式 */
        .navbar {
            background-color: white;
            box-shadow: var(--shadow);
            position: fixed;
            top: 40px; /* 顶部栏高度 */
            width: 100%;
            z-index: 1000;
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            position: relative;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo-text span {
            color: var(--accent);
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            position: relative;
            margin: 0 10px;
        }
        
        .nav-link {
            color: var(--dark);
            text-decoration: none;
            padding: 10px 15px;
            font-weight: 600;
            display: block;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-link:hover {
            color: var(--accent);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            width: 250px;
            background: white;
            box-shadow: var(--shadow);
            border-radius: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 1000;
        }
        
        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-item {
            padding: 12px 15px;
            border-bottom: 1px solid #eee;
            position: relative;
        }
        
        .dropdown-item a {
            color: var(--dark);
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .dropdown-item a:hover {
            color: var(--accent);
        }
        
        .dropdown-item .sub-dropdown {
            position: absolute;
            left: 100%;
            top: 0;
            width: 250px;
            background: white;
            box-shadow: var(--shadow);
            border-radius: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateX(10px);
            transition: var(--transition);
        }
        
        .dropdown-item:hover .sub-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }
        
        .search-container {
            display: flex;
            align-items: center;
        }
        
        .search-btn {
            background: none;
            border: none;
            color: var(--dark);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        
        .search-btn:hover {
            background-color: #f0f0f0;
        }
        
        .search-btn.close {
            color: var(--accent);
        }
        
        .search-box {
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            padding: 15px;
            box-shadow: var(--shadow);
            border-radius: 5px;
            display: flex;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 1001;
            width: 320px;
        }
        
        .search-box.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .search-box input {
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            flex: 1;
        }
        
        .search-box button {
            background: var(--accent);
            color: white;
            border: none;
            padding: 10px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        
        /* Banner区域 */
        .banner {
            height: 600px;
            position: relative;
            overflow: hidden;
            margin-top: -10px;
        }
        
        .banner-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            display: flex;
            align-items: center;
        }
        
        .banner-slide.active {
            opacity: 1;
        }
        
        .banner-content {
            max-width: 700px;
            padding: 0 20px;
            z-index: 10;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        
        .banner-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            animation: fadeInDown 1s ease;
        }
        
        .banner-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            animation: fadeInUp 1s ease 0.3s both;
        }
        
        .btn {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--accent);
        }
        
        .btn:hover {
            background: transparent;
            color: white;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid white;
            margin-left: 15px;
        }
        
        .btn-outline:hover {
            background: white;
            color: var(--primary);
        }
        
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
        
        .banner-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }
        
        .banner-btn {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .banner-btn.active {
            background: white;
        }
        
        /* 服务范围 */
        .section {
            padding: 100px 0;
        }
        
        .services-section {
            background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), 
                        url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 20px auto 0;
            font-size: 1.1rem;
        }
        
        /* 服务轮播区域 */
        .services-container {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 50px;
        }
        
        .services-slider {
            display: flex;
            overflow: hidden;
            position: relative;
        }
        
        .services-track {
            display: flex;
            transition: transform 0.5s ease;
            width: 100%;
        }
        
        .service-card {
            flex: 0 0 calc(100% / 3);
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
            margin: 0 15px;
            min-height: 400px;
            transform: translateY(0);
        }
        
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }
        
        .service-icon {
            height: 100px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .service-icon svg {
            width: 50px;
            height: 50px;
            fill: white;
        }
        
        .service-content {
            padding: 30px;
            height: calc(100% - 100px);
            display: flex;
            flex-direction: column;
        }
        
        .service-content h3 {
            font-size: 1.7rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .service-content p {
            color: var(--gray);
            margin-bottom: 20px;
            flex-grow: 1;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        
        .read-more {
            display: inline-flex;
            align-items: center;
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        .read-more svg {
            width: 18px;
            height: 18px;
            fill: var(--accent);
            margin-left: 8px;
            transition: var(--transition);
        }
        
        .read-more:hover svg {
            transform: translateX(8px);
        }
        
        .slider-controls {
            position: absolute;
            top: 50%;
            width: calc(100% + 100px);
            left: -50px;
            display: flex;
            justify-content: space-between;
            transform: translateY(-50%);
            pointer-events: none;
        }
        
        .slider-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: white;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            pointer-events: auto;
            transition: var(--transition);
            z-index: 10;
        }
        
        .slider-btn:hover {
            background: var(--primary);
            transform: scale(1.1);
        }
        
        .slider-btn:hover svg {
            fill: white;
        }
        
        .slider-btn svg {
            width: 28px;
            height: 28px;
            fill: var(--primary);
            transition: var(--transition);
        }
        
        /* 关于我们 */
        .about {
            background: var(--light);
        }
        
        .about-content {
            display: flex;
            gap: 50px;
            margin-bottom: 40px;
        }
        
        .certificates {
            position: relative;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .cert-slide {
            display: none;
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .cert-slide.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        .cert-slide img {
            width: 100%;
            height: auto;
            display: block;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        
        .cert-slide img:hover {
            transform: scale(1.02);
        }
        
        .zoom-icon {
            position: absolute;
            bottom: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .zoom-icon:hover {
            background: white;
            transform: scale(1.1);
        }
        
        .zoom-icon svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }
        
        .cert-controls {
            position: absolute;
            bottom: 20px;
            left: 20px;
            display: flex;
            gap: 10px;
        }
        
        .cert-btn {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .cert-btn.active {
            background: white;
        }
        
        .about-text {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .about-text h3 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .about-text h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent);
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: var(--gray);
            flex-grow: 1;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .more-btn {
            display: inline-block;
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            transition: var(--transition);
            width: fit-content;
        }
        
        .more-btn:hover {
            color: var(--primary);
        }
        
        .more-btn svg {
            width: 16px;
            height: 16px;
            fill: var(--accent);
            margin-left: 8px;
            transition: var(--transition);
        }
        
        .more-btn:hover svg {
            transform: translateX(5px);
            fill: var(--primary);
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        
        .feature {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            background: white;
            padding: 25px 20px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .feature:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .feature:hover .feature-icon {
            background: var(--accent);
            transform: rotateY(180deg);
        }
        
        .feature-icon svg {
            width: 30px;
            height: 30px;
            fill: white;
        }
        
        .feature-text h4 {
            font-size: 1.3rem;
            margin-bottom: 8px;
            color: var(--primary);
        }
        
        .feature-text .en {
            font-size: 0.9rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .feature-text p {
            font-size: 0.95rem;
            margin-bottom: 0;
            color: var(--gray);
        }
        
        /* 新闻中心 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr;
            gap: 30px;
        }
        
        .news-box {
            background: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 30px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--primary);
        }
        
        .news-header h3 {
            font-size: 1.6rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .news-header h3 svg {
            width: 28px;
            height: 28px;
            fill: var(--accent);
        }
        
        .more-link {
            display: inline-block;
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        
        .more-link:hover {
            color: var(--primary);
        }
        
        .faq-container {
            flex-grow: 1;
            height: 350px;
            overflow: hidden;
            position: relative;
        }
        
        .faq-list {
            position: absolute;
            width: 100%;
        }
        
        .faq-item {
            padding: 18px 0;
            border-bottom: 1px solid #eee;
            display: block;
            transition: var(--transition);
            text-decoration: none !important;
        }
        
        .faq-item:hover {
            background: #f9f9f9;
            text-decoration: none;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-content h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .faq-content h4 svg {
            width: 20px;
            height: 20px;
            fill: var(--accent);
        }
        
        .faq-content p {
            color: var(--gray);
            padding-left: 30px;
        }
        
        .opinion-box {
            background: linear-gradient(rgba(44, 82, 130, 0.9), rgba(44, 82, 130, 0.9)), url('https://images.unsplash.com/photo-1507679799987-c73779587ccf?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 30px;
            border-radius: 8px;
            margin-bottom: 30px;
            position: relative;
            flex-grow: 1;
        }
        
        .opinion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .opinion-header svg {
            width: 30px;
            height: 30px;
            fill: white;
            margin-right: 15px;
        }
        
        .opinion-header h3 {
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .news-list {
            list-style: none;
        }
        
        .news-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .news-list li:last-child {
            border-bottom: none;
        }
        
        .news-list li a {
            color: white;
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            transition: var(--transition);
        }
        
        .news-list li a:hover {
            color: #ffd700;
        }
        
        .news-list .date {
            font-size: 0.85rem;
            opacity: 0.8;
        }
        
        .news-category {
            margin-bottom: 30px;
            flex-grow: 1;
        }
        
        .category-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            position: relative;
        }
        
        .category-title {
            font-size: 1.3rem;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        
        .category-news {
            list-style: none;
        }
        
        .category-news li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        
        .category-news li:last-child {
            border-bottom: none;
        }
        
        .category-news li a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .category-news li a:before {
            content: '•';
            color: var(--accent);
            font-size: 1.2rem;
        }
        
        .category-news li a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        
        /* 友情链接 */
        .partners {
            background: var(--light);
            padding: 80px 0 60px;
        }
        
        .partners-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--primary);
            font-size: 2rem;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .partners-title:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
        }
        
        .partner-logos {
            display: grid;
            grid-template-columns: repeat(9, 1fr);
            gap: 20px;
            margin: 0 auto;
            max-width: 1200px;
        }
        
        .partner-logos img {
            height: 40px;
            opacity: 0.7;
            transition: var(--transition);
            object-fit: contain;
        }
        
        .partner-logos img:hover {
            opacity: 1;
            transform: translateY(-5px);
        }
        
        .more-partners-btn {
            display: block;
            margin: 40px auto 0;
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 40px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            max-width: 200px;
        }
        
        .more-partners-btn:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }
        
        /* 页脚 */
        .footer {
            background: var(--primary);
            color: white;
            padding: 80px 0 40px;
        }
        
        .footer-grid {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        
        /* 联系我们区域 - 在页脚顶部 */
        .footer-contact-row {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 30px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .contact-item-horizontal {
            display: flex;
            align-items: center;
            gap: 15px;
            flex: 1;
            min-width: 300px;
        }
        
        .contact-icon-large {
            width: 60px;
            height: 60px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--transition);
        }
        
        .contact-item-horizontal:hover .contact-icon-large {
            background: var(--accent);
            transform: rotate(10deg);
        }
        
        .contact-icon-large svg {
            width: 24px;
            height: 24px;
            fill: white;
        }
        
        .contact-details-horizontal {
            flex-grow: 1;
        }
        
        .contact-details-horizontal p {
            color: #cbd5e0;
            margin-bottom: 5px;
            font-size: 0.95rem;
        }
        
        .contact-details-horizontal a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .contact-details-horizontal a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        
        /* 页脚主体内容 */
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        
        .footer-about {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .footer-logo {
            margin-bottom: 10px;
        }
        
        .footer-logo .logo-text {
            color: white;
            font-size: 1.8rem;
        }
        
        .footer-about p {
            margin-bottom: 20px;
            color: #cbd5e0;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        
        .footer-title {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
        }
        
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-links ul {
            columns: 2;
			list-style:none;
			column-gap: 20px;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
		    break-inside: avoid; 
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
            display: block;
            padding: 5px 0;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        
        .qrcode {
            text-align: center;
            margin-top: 20px;
        }
        
        .qrcode img {
            width: 140px;
            height: 140px;
            margin-bottom: 15px;
            border: 8px solid white;
            border-radius: 8px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #cbd5e0;
            font-size: 0.95rem;
        }
        
        /* 悬浮按钮 */
        .float-buttons {
            position: fixed;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1000;
        }
        
        .float-btn {
            width: 55px;
            height: 55px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            cursor: pointer;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .float-btn:hover {
            background: var(--accent);
            transform: translateY(-5px) scale(1.1);
        }
        
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: white;
        }
        
        .qrcode-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        
        .qrcode-modal.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            background: white;
            padding: 40px;
            border-radius: 10px;
            text-align: center;
            position: relative;
            animation: zoomIn 0.3s ease;
            max-width: 90%;
            max-height: 90%;
            overflow: auto;
        }
        
        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--gray);
            transition: var(--transition);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .close-modal:hover {
            color: var(--accent);
            transform: rotate(90deg);
        }
        
        .modal-content img {
            max-width: 100%;
            max-height: 70vh;
            margin: 20px 0;
            border: 1px solid #eee;
            border-radius: 8px;
        }
        
        /* 动画 */
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        
        @keyframes zoomIn {
            from {
                transform: scale(0.8);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        /* 移动端导航 */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
          /*  width: 33.33%; */
		      margin-left: 3%;
            text-align: left;
            padding: 0;
        }
        
        .mobile-nav-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            z-index: 999;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .mobile-nav-menu.active {
            display: block;
            max-height: 1000px;
        }
        
        .mobile-nav-item {
            border-bottom: 1px solid #eee;
        }
        
        .mobile-nav-link {
            display: block;
            padding: 15px 20px;
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
        }
        
        .mobile-nav-link:hover {
            background: #f5f7fa;
            color: var(--accent);
        }
        
        .mobile-dropdown {
            background: #f9f9f9;
            display: none;
        }
        
        .mobile-dropdown.active {
            display: block;
        }
        
        .mobile-dropdown-item {
            padding: 12px 30px;
            border-bottom: 1px solid #eee;
        }
        
        .mobile-dropdown-item a {
            color: var(--dark);
            text-decoration: none;
            display: block;
        }
        
        .mobile-dropdown-toggle {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .mobile-dropdown-toggle::after {
            content: '>';
            transform: rotate(90deg);
            transition: transform 0.3s ease;
        }
        
        .mobile-dropdown-toggle.active::after {
            transform: rotate(-90deg);
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .partner-logos {
                grid-template-columns: repeat(6, 1fr);
            }
            
            .service-card {
                flex: 0 0 calc(100% / 3);
            }
        }
        
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .features {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-main {
                grid-template-columns: 1fr;
            }
            
            .banner-title {
                font-size: 2.8rem;
            }
            
            .service-card {
                flex: 0 0 calc(100% / 2);
            }
            
            .partner-logos {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .mobile-nav-toggle {
                display: block;
            }
            
            .nav-menu {
                display: none;
            }
            
            .nav-container {
                display: flex;
                justify-content: space-between;
                align-items: center;
                flex-wrap: nowrap;
                padding: 10px 0;
            }
            
            .logo {
                order: 2;
                width: 33.33%;
                text-align: center;
                margin: 0;
                justify-content: center;
            }
            
            .search-container {
                order: 3;
                width: 13.33%;
                text-align: right;
                margin-left: 0;
            }
            
            .top-links a:nth-child(2), 
            .top-links a:nth-child(3) {
                display: none;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
            
            .banner {
                height: 500px;
            }
            
            .btn {
                display: block;
                margin-bottom: 15px;
                text-align: center;
            }
            
            .btn-outline {
                margin-left: 0;
            }
            
            .float-buttons {
                display: none;
            }
            
            .service-card {
                flex: 0 0 100%;
            }
            
            .top-contact {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            
            .top-links {
                margin-top: 10px;
            }
            
            .partner-logos {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .services-container {
                padding: 0 20px;
            }
            
            .slider-controls {
                width: calc(100% + 40px);
                left: -20px;
            }
            
            .slider-btn {
                width: 50px;
                height: 50px;
            }
            .footer-links ul {
        columns: 1; /* 移动端单列 */
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .footer-links li {
        width: calc(50% - 5px); /* 每行显示两个项目 */
        margin-bottom: 10px;
    }
            /* 页脚响应式 */
            .footer-contact-row {
                flex-direction: column;
                gap: 20px;
            }
            
            .contact-item-horizontal {
                min-width: 100%;
            }
        }
        
        @media (max-width: 576px) {
            .banner-title {
                font-size: 2.2rem;
            }
            
            .banner-subtitle {
                font-size: 1.2rem;
            }
            
            .partner-logos {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .services-container {
                padding: 0;
            }
            
            .service-card {
                margin: 0 8px;
            }
            
            .slider-controls {
                width: calc(100% + 20px);
                left: -10px;
            }
            
            .slider-btn {
                width: 40px;
                height: 40px;
            }
            
            .slider-btn svg {
                width: 20px;
                height: 20px;
            }
        }