/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

html {
    scroll-behavior: smooth;
}
a {
    text-decoration: none;
}
/* 通用样式 */
.container-73eac2 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header-6c245a {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-6c245a h2 {
    font-size: 2.5rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    position: relative;
}

.section-header-6c245a h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 2px;
}

.section-header-6c245a p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 按钮样式 */
.btn-f49f7b {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary-73566e {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    border-color: #3b82f6;
}

.btn-primary-73566e:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-outline-1fea39 {
    background: transparent;
    color: #3b82f6;
    border-color: #3b82f6;
}

.btn-outline-1fea39:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

/* 导航栏 */
.navbar-adeefc {
    /*position: fixed;*/
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-adeefc.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.98);
}

.nav-container-a0080b {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo-6b31ed {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e3a8a;
}

.nav-logo-6b31ed i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu-09b746 {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu-09b746 li {
    margin: 0 15px;
}

.nav-link-cc8370 {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link-cc8370:hover {
    color: #3b82f6;
}

.nav-link-cc8370::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3b82f6;
    transition: width 0.3s ease;
}

.nav-link-cc8370:hover::after {
    width: 100%;
}

.hamburger-a3065c {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger-a3065c span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-4477da {
    height: 100vh;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(59, 130, 246, 0.8)), 
                url('imgs/modern_cigarette_wholesale_distribution_center_shelves.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-overlay-d9df0e {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content-a71e4d {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content-a71e4d h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-content-a71e4d p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons-b5ca19 {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s both;
    margin-bottom: 60px;
}

.hero-stats-0b7552 {
    position: absolute;
    bottom: 200px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 60px;
    z-index: 2;
}

.stat-item-0160d0 {
    text-align: center;
    color: white;
}

.stat-number-ce68c6 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #60a5fa;
}

.stat-label-55b612 {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

/* 服务内容 */
.services-608e9c {
    padding: 100px 0;
    background: #f8fafc;
}

.services-grid-6bbbf5 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card-7f6cbb {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.service-card-7f6cbb:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.service-icon-03d780 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.service-card-7f6cbb h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.service-card-7f6cbb p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-card-7f6cbb ul {
    list-style: none;
    text-align: left;
}

.service-card-7f6cbb li {
    padding: 5px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-card-7f6cbb li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
}

/* 服务优势 */
.advantages-996424 {
    padding: 100px 0;
    background: white;
}

.advantages-content-a4be10 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.advantages-image-c136cc img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.advantage-item-31d495 {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.advantage-icon-64690f {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.advantage-content-4fc3ff h3 {
    color: #1e3a8a;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.advantage-content-4fc3ff p {
    color: #666;
    line-height: 1.6;
}

/* 关于我们 */
.about-bbcda7 {
    padding: 100px 0;
    background: #f8fafc;
}

.about-content-a3ad73 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text-48341e .section-header-6c245a {
    text-align: left;
    margin-bottom: 30px;
}

.about-text-48341e .section-header-6c245a h2::after {
    left: 0;
    transform: none;
}

.about-description-119889 p {
    margin-bottom: 20px;
    color: #555;
    line-height: 1.8;
    text-align: justify;
}

.about-values-b0a80a {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.value-item-511e1c {
    display: flex;
    align-items: center;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.value-item-511e1c i {
    color: #3b82f6;
    font-size: 1.5rem;
    margin-right: 15px;
}

.value-item-511e1c span {
    font-weight: 500;
    color: #1e3a8a;
}

.about-image-04ebbd img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 产品案例 */
.products-3673df {
    padding: 100px 0;
    background: white;
}

.products-grid-f833d0 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card-d63a07 {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card-d63a07:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.product-image-d364e3 {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image-d364e3 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card-d63a07:hover .product-image-d364e3 img {
    transform: scale(1.1);
}

.product-overlay-f453a1 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-card-d63a07:hover .product-overlay-f453a1 {
    opacity: 1;
}

.product-info-093750 {
    text-align: center;
    padding: 20px;
}

.product-info-093750 h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.product-content-b522d2 {
    padding: 30px;
}

.product-content-b522d2 h3 {
    color: #1e3a8a;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.product-content-b522d2 p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features-98692d {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag-73cdd1 {
    background: #e0f2fe;
    color: #0369a1;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 新闻资讯 */
.news-e19bf0 {
    padding: 100px 0;
    background: #f8fafc;
}

.news-grid-9f5163 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card-888768 {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card-888768:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.news-image-607a40 {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-607a40 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-meta-0559b4{
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}
.news-date-195c79 {
    /*position: absolute;*/
    top: 15px;
    right: 15px;
    background: #3b82f6;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}
.news-category-7f9ac7{
    color: #6b7280;
    padding: 5px 12px;
}

.news-content-6f9fac {
    padding: 25px;
}

.news-content-6f9fac h3 {
    color: #1e3a8a;
    margin-bottom: 15px;
    font-size: 1.2rem;
    line-height: 1.4;
}

.news-content-6f9fac p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more-3748fd {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

.read-more-3748fd:hover {
    color: #1e40af;
}

.read-more-3748fd i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more-3748fd:hover i {
    transform: translateX(3px);
}

/* 常见问题 */
.faq-97b467 {
    padding: 100px 0;
    background: white;
}

.faq-container-8c5e67 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-8296da {
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question-19cb84 {
    background: #f8fafc;
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question-19cb84:hover {
    background: #e0f2fe;
}

.faq-question-19cb84.active {
    background: #3b82f6;
    color: white;
}

.faq-question-19cb84 h3 {
    margin: 0;
    font-size: 1.1rem;
}

.faq-question-19cb84 i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-question-19cb84.active i {
    transform: rotate(45deg);
}

.faq-answer-524e8f {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer-524e8f.active {
    padding: 25px;
    max-height: 500px;
}

.faq-answer-524e8f p {
    color: #555;
    line-height: 1.6;
    margin: 0;
}

/* 客户评价 */
.reviews-9d3b0a {
    padding: 100px 0;
    background: #f8fafc;
}

.reviews-grid-e9ad54 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.review-card-4eb56e {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.review-card-4eb56e:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.review-stars-eab9ec {
    color: #fbbf24;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.review-card-4eb56e p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 25px;
    font-style: italic;
}

.review-author-0d5a84 {
    display: flex;
    align-items: center;
}

.author-avatar-496061 {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 15px;
}

.author-info-5eeffd h4 {
    color: #1e3a8a;
    margin-bottom: 5px;
}

.author-info-5eeffd span {
    color: #666;
    font-size: 0.9rem;
}

/* 联系我们 */
.contact-dc6b71 {
    padding: 100px 0;
    background: white;
}

.contact-content-da704b {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item-c26f00 {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-icon-568ddf {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-details-4dcb29 h3 {
    color: #1e3a8a;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.contact-details-4dcb29 p {
    color: #666;
    line-height: 1.6;
}

.contact-form-90a731 {
    background: #f8fafc;
    padding: 40px;
    border-radius: 15px;
}

.contact-form-90a731 h3 {
    color: #1e3a8a;
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.form-group-ecca28 {
    margin-bottom: 20px;
}

.form-group-ecca28 input,
.form-group-ecca28 select,
.form-group-ecca28 textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group-ecca28 input:focus,
.form-group-ecca28 select:focus,
.form-group-ecca28 textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group-ecca28 textarea {
    resize: vertical;
    min-height: 100px;
}
/* Flink */
.flink-section-6d7dc3 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-49185b{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-6d7dc3 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-6d7dc3 a{
    color: #718096;
    text-decoration: none;
}

/* 页脚 */
.footer-f350f9 {
    background: #1e3a8a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content-a9e66e {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section-7b4f29 h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section-7b4f29 ul {
    list-style: none;
}

.footer-section-7b4f29 ul li {
    margin-bottom: 10px;
}

.footer-section-7b4f29 ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section-7b4f29 ul li a:hover {
    color: white;
}

.footer-section-7b4f29 ul li i {
    margin-right: 10px;
    color: #60a5fa;
}

.footer-logo-875257 {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo-875257 i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: #60a5fa;
}

.footer-section-7b4f29 p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

.social-links-8ca871 {
    display: flex;
    gap: 15px;
}

.social-links-8ca871 a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links-8ca871 a:hover {
    background: #3b82f6;
    transform: translateY(-2px);
}

.footer-bottom-f590bc {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 回到顶部按钮 */
.back-to-top-ea6604 {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top-ea6604:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.back-to-top-ea6604.show {
    display: flex;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger-a3065c {
        display: flex;
    }
    
    .nav-menu-09b746 {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
        padding: 20px 0;
    }
    
    .nav-menu-09b746.active {
        left: 0;
    }
    
    .nav-menu-09b746 li {
        margin: 15px 0;
    }
    
    .hamburger-a3065c.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-a3065c.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger-a3065c.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content-a71e4d h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons-b5ca19 {
        /*flex-direction: column;*/
        align-items: center;
        gap: 15px;
    }
    
    .hero-stats-0b7552 {
        /*flex-direction: column;*/
        gap: 20px;
        /*bottom: 20px;*/
    }
    
    .section-header-6c245a h2 {
        font-size: 2rem;
    }
    
    .services-grid-6bbbf5,
    .products-grid-f833d0,
    .news-grid-9f5163,
    .reviews-grid-e9ad54 {
        grid-template-columns: 1fr;
    }
    
    .advantages-content-a4be10,
    .about-content-a3ad73,
    .contact-content-da704b {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-text-48341e .section-header-6c245a {
        text-align: center;
    }
    
    .about-text-48341e .section-header-6c245a h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-values-b0a80a {
        grid-template-columns: 1fr;
    }
    
    .container-73eac2 {
        padding: 0 15px;
    }
    
    .hero-4477da {
        background-attachment: scroll;
    }
}

@media (max-width: 480px) {
    .hero-content-a71e4d h1 {
        font-size: 2rem;
    }
    
    .hero-content-a71e4d p {
        font-size: 1rem;
    }
    
    .stat-number-ce68c6 {
        font-size: 2rem;
    }
    
    .service-card-7f6cbb,
    .review-card-4eb56e {
        padding: 25px 20px;
    }
    
    .contact-form-90a731 {
        padding: 25px 20px;
    }
    
    .footer-content-a9e66e {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1e40af;
}

/* 加载动画 */
.loading-50011c {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* 卡片悬停效果 */
.card-hover-312b45 {
    transition: all 0.3s ease;
}

.card-hover-312b45:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 文本选择样式 */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: #1e40af;
}

/* 焦点样式 */
:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .navbar-adeefc,
    .back-to-top-ea6604 {
        display: none;
    }
    
    .hero-4477da {
        height: auto;
        padding: 100px 0;
        background: #1e3a8a;
        color: white;
    }
    
    * {
        -webkit-print-color-adjust: exact;
        color-adjust: exact;
    }
}