/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样�?*/
.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;
}

.navbar {
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 70px;
    box-sizing: border-box;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 203px;
    border-radius: 5px;
}
.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1e6ba8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
    white-space: nowrap;
    line-height: 1.4;
}

.nav-link:hover {
    color: #1e6ba8;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    list-style: none;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    border-radius: 5px;
    overflow: hidden;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
}

.dropdown-menu li a:hover {
    background: #f8f9fa;
    color: #1e6ba8;
}



.nav-lang {
    display: flex;
    align-items: center;
    position: relative;
}

.lang-switch {
    background: rgba(248, 249, 250, 0.8);
    border: 1px solid rgba(0,0,0,0.1);
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
    outline: none;
    white-space: nowrap;
}

.lang-switch:hover {
    background: rgba(30, 107, 168, 0.1);
    color: #1e6ba8;
    border-color: rgba(30, 107, 168, 0.3);
}

.lang-switch i {
    font-size: 16px;
}

.lang-text {
    font-weight: 500;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-radius: 8px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
    border-bottom: 1px solid #f0f0f0;
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: #f8f9fa;
    color: #1e6ba8;
}

.lang-option.active {
    background: #1e6ba8;
    color: #fff;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
}

/* 主横幅轮播区�?*/
.hero-carousel {
    position: relative;
    margin-top: 70px;
    height: 600px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-track {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
    flex: 0 0 33.333%;
    position: relative;
    height: 100%;
    overflow: hidden;
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease-out;
}

.carousel-slide.active .slide-background img {
    transform: scale(1.05);
}

.slide-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 107, 168, 0.4) 0%, rgba(41, 128, 185, 0.3) 100%);
    z-index: 2;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.slide-text {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out 0.3s;
}

.carousel-slide.active .slide-text {
    opacity: 1;
    transform: translateY(0);
}

.slide-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.slide-subtitle {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    line-height: 1.6;
    opacity: 0.9;
}

.slide-decoration {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.slide-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: #fff;
    color: #1e6ba8;
    border: 2px solid #fff;
}

.btn-primary:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
    background: #fff;
    color: #1e6ba8;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* 轮播导航 */
.carousel-nav {
    position: absolute;
    left: 30px;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    z-index: 4;
    pointer-events: none;
}

.carousel-prev,
.carousel-next {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.6);
    transform: scale(1.1);
}

/* 轮播指示�?*/
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 4;
}

.carousel-indicators .indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.carousel-indicators .indicator:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.carousel-indicators .indicator.active {
    background: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.3);
}

/* 服务卡片区域 */
.services-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.service-card {
    background: rgba(30, 107, 168, 0.95);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon {
    position: relative;
    overflow: hidden;
}

.service-icon img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s;
}

.service-card:hover .service-icon img {
    transform: scale(1.1);
}

.service-info {
    padding: 20px;
    text-align: center;
    background: rgba(30, 107, 168, 0.95);
    color: white;
    position: relative;
}

.service-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

/* 耀华咨询快讯 */
.news-section {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #1e6ba8;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    font-weight: 400;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
    letter-spacing: 0.5px;
    position: relative;
    opacity: 0.9;
}

.news-slider {
    position: relative;
    overflow: hidden;
}

.news-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.news-item {
    flex: 0 0 calc(33.333% - 20px);
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    line-height: 1.5;
}

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

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background 0.3s;
}

.indicator.active {
    background: #1e6ba8;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-left: 4px solid #1e6ba8;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1e6ba8 0%, #2980b9 100%);
    border-radius: 12px;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.contact-details p {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
    position: relative;
}

.contact-form h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, #1e6ba8 0%, #2980b9 100%);
    border-radius: 2px;
}

.consultation-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px 18px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e6ba8;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(30, 107, 168, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: linear-gradient(135deg, #1e6ba8 0%, #2980b9 100%);
    color: #fff;
    border: none;
    padding: 18px 30px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(30, 107, 168, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

/* 相关链接 */
.links-section {
    padding: 60px 0;
    background: white;
}

.links-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.link-item {
    color: #1e6ba8;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 20px;
    border: 2px solid #1e6ba8;
    border-radius: 5px;
    transition: all 0.3s;
}

.link-item:hover {
    background: #1e6ba8;
    color: white;
}

/* 合作伙伴Logo展示 */
.partners-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.partner-logo {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1a237e, #3f51b5);
    color: white;
}

.footer-top {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

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

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

.footer-column ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: white;
}

.social {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.wechat-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.wechat-qr i {
    font-size: 40px;
    color: #4CAF50;
}

.wechat-qr span {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
}

.footer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-info p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    flex: 1;
}

.cookie-btn {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.cookie-btn:hover {
    background: #45a049;
}

/* 响应式设�?*/
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .news-item {
        flex: 0 0 calc(50% - 15px);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        position: static;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .partner-logo {
        padding: 25px;
        min-height: 100px;
    }
    
    .partner-logo img {
        max-height: 70px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-lang {
        display: none;
    }
    
    .hero-carousel {
        height: 450px;
    }
    
    .slide-title {
        font-size: 36px;
    }
    
    .slide-subtitle {
        font-size: 16px;
    }
    
    .slide-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .carousel-nav {
        left: 15px;
        right: 15px;
    }
    
    .carousel-prev,
    .carousel-next {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .news-item {
        flex: 0 0 calc(100% - 0px);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-form {
        position: static;
        padding: 30px;
    }
    
    .contact-form h3 {
        font-size: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .submit-btn {
        padding: 15px 25px;
        font-size: 15px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .footer-info {
        flex-direction: column;
        text-align: center;
    }
    
    /* 移动端语言切换按钮样式 */
    .nav-lang {
        display: flex;
        position: relative;
        margin-left: 10px;
    }
    
    .lang-switch {
        padding: 8px 12px;
        font-size: 13px;
        border-radius: 20px;
        background: rgba(30, 107, 168, 0.1);
    }
    
    .lang-switch:hover {
        background: rgba(30, 107, 168, 0.2);
    }
    
    .lang-dropdown {
        right: 0;
        min-width: 110px;
        top: calc(100% + 5px);
        border: 1px solid #e0e0e0;
    }
    
    .lang-option {
        padding: 12px 16px;
        font-size: 13px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .lang-option:last-child {
        border-bottom: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-carousel {
        height: 400px;
    }
    
    .slide-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .slide-subtitle {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .slide-decoration {
        margin-bottom: 30px;
    }
    
    .slide-decoration svg {
        width: 150px;
        height: 40px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .carousel-indicators {
        bottom: 20px;
        gap: 10px;
    }
    
    .carousel-indicators .indicator {
        width: 10px;
        height: 10px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-info h3 {
        font-size: 16px;
    }
    
    .contact-item {
        padding: 20px;
        gap: 15px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .contact-details h3 {
        font-size: 16px;
    }
    
    .contact-details p {
        font-size: 14px;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .contact-form h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .consultation-form {
        gap: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .submit-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .links-grid {
        gap: 15px;
    }
    
    .link-item {
        font-size: 14px;
        padding: 8px 15px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-logo {
        padding: 20px;
        min-height: 90px;
    }
    
    .partner-logo img {
        max-height: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

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

.service-card,
.news-item,
.join-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }
.service-card:nth-child(7) { animation-delay: 0.7s; }
.service-card:nth-child(8) { animation-delay: 0.8s; }

/* 滚动条样�?*/
/* 客户Logo展示样式 */
.client-logos {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.client-logos h4 {
    color: #333;
    font-size: 16px;
    margin-bottom: 15px;
    text-align: center;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    justify-items: center;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 80px;
    background: #fff;
    border: 2px dashed #ddd;
    border-radius: 6px;
    color: #999;
    font-size: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.logo-placeholder:hover {
    border-color: #007bff;
    background: #f0f8ff;
    color: #007bff;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #1e6ba8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #155a96;
}