/* 全局重置与基础 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0a0a1a;
    color: #e0e0e0;
    line-height: 1.7;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

h1, h2, h3 {
    font-weight: 800;
    margin-bottom: 20px;
    color: #f0c040;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.4rem;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #f0c040, #ff6b6b);
    border-radius: 2px;
}

h3 {
    font-size: 1.3rem;
    color: #ffffff;
}

p {
    margin-bottom: 15px;
    color: #b0b0c0;
    font-size: 1rem;
}

a {
    color: #f0c040;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ffd700;
}

.btn-primary {
    display: inline-block;
    padding: 14px 36px;
    background: linear-gradient(135deg, #f0c040, #e6a800, #ff8c00);
    color: #1a1a2e;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 15px rgba(240, 192, 64, 0.3);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 35px rgba(240, 192, 64, 0.5);
    background: linear-gradient(135deg, #ffd700, #f0c040, #ff8c00);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    padding: 12px 0;
    border-bottom: 1px solid rgba(240, 192, 64, 0.1);
    transition: background 0.3s ease;
}

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

.nav-logo svg {
    filter: drop-shadow(0 2px 8px rgba(240, 192, 64, 0.3));
    transition: transform 0.3s ease;
}

.nav-logo:hover svg {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: #c0c0d0;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 0;
    position: relative;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-link:hover,
.nav-link.active {
    color: #f0c040;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f0c040, #ff6b6b);
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 1px;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-toggle,
.dark-toggle,
.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-toggle:hover,
.dark-toggle:hover,
.menu-toggle:hover {
    background: rgba(240, 192, 64, 0.15);
    transform: scale(1.1);
}

.search-toggle svg,
.dark-toggle svg,
.menu-toggle svg {
    width: 20px;
    height: 20px;
    stroke: #c0c0d0;
    fill: none;
    transition: stroke 0.3s ease;
}

.search-toggle:hover svg,
.dark-toggle:hover svg,
.menu-toggle:hover svg {
    stroke: #f0c040;
}

/* 搜索栏 */
.search-bar {
    display: none;
    max-width: 1200px;
    margin: 12px auto 0;
    padding: 0 20px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-bar input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 50px;
    border: 1px solid rgba(240, 192, 64, 0.3);
    background: rgba(255, 255, 255, 0.05);
    color: #e0e0e0;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-bar input:focus {
    border-color: #f0c040;
    box-shadow: 0 0 20px rgba(240, 192, 64, 0.2);
}

.search-bar input::placeholder {
    color: #666;
}

.search-bar button {
    padding: 12px 24px;
    background: linear-gradient(135deg, #f0c040, #e6a800);
    border: none;
    border-radius: 50px;
    margin-left: 10px;
    cursor: pointer;
    font-weight: 600;
    color: #1a1a2e;
    transition: all 0.3s ease;
}

.search-bar button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(240, 192, 64, 0.4);
}

.menu-toggle {
    display: none;
}

/* 面包屑 */
.breadcrumb {
    background: rgba(255, 255, 255, 0.02);
    padding: 12px 0;
    font-size: 13px;
    margin-top: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    gap: 10px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb li {
    color: #888;
}

.breadcrumb li::after {
    content: '›';
    margin-left: 10px;
    color: #555;
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb a {
    color: #f0c040;
}

.breadcrumb a:hover {
    color: #ffd700;
}

/* Hero Banner - 渐变背景 */
.hero {
    position: relative;
    height: 700px;
    overflow: hidden;
    margin-top: 0;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 30%, #2a1a4e 60%, #1a2a3e 100%);
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    background: radial-gradient(ellipse at center, rgba(240, 192, 64, 0.05) 0%, transparent 70%);
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    text-align: center;
    color: #ffffff;
    padding: 40px;
    max-width: 800px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(240, 192, 64, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.hero-content h1,
.hero-content h2 {
    color: #ffffff;
    font-size: 3.2rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #f0c040);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    color: #c0c0d0;
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-prev,
.hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 28px;
    padding: 15px 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 10;
}

.hero-prev:hover,
.hero-next:hover {
    background: rgba(240, 192, 64, 0.3);
    border-color: #f0c040;
    transform: translateY(-50%) scale(1.1);
}

.hero-prev {
    left: 30px;
}

.hero-next {
    right: 30px;
}

.hero-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.hero-dots span {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hero-dots span.active {
    background: #f0c040;
    border-color: #ffffff;
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(240, 192, 64, 0.5);
}

.hero-dots span:hover {
    background: rgba(240, 192, 64, 0.5);
}

/* 统计数字 */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 50px;
    text-align: center;
}

.stat-item {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 35px 20px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(240, 192, 64, 0.1);
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-8px);
    border-color: rgba(240, 192, 64, 0.3);
    box-shadow: 0 20px 50px rgba(240, 192, 64, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #f0c040;
    display: inline-block;
    background: linear-gradient(135deg, #f0c040, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f0c040;
}

.stat-item p {
    margin-top: 10px;
    color: #8888a0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 卡片网格通用 */
.culture-grid,
.product-grid,
.advantages-grid,
.services-grid,
.solutions-grid,
.scenarios-grid,
.data-grid,
.cases-grid,
.clients-grid,
.testimonials-grid,
.news-grid,
.articles-grid,
.hot-grid,
.howto-steps,
.contact-info,
.sitemap-list,
.links-grid,
.footer-grid {
    display: grid;
    gap: 30px;
}

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

.product-grid {
    grid-template-columns: repeat(4, 1fr);
}

.advantages-grid {
    grid-template-columns: repeat(4, 1fr);
}

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

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

.scenarios-grid {
    grid-template-columns: repeat(4, 1fr);
}

.data-grid {
    grid-template-columns: repeat(4, 1fr);
}

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

.clients-grid {
    grid-template-columns: repeat(4, 1fr);
}

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

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

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

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

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

.contact-info {
    grid-template-columns: repeat(4, 1fr);
}

.sitemap-list {
    grid-template-columns: repeat(4, 1fr);
    list-style: none;
}

.links-grid {
    grid-template-columns: repeat(4, 1fr);
}

.footer-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* 卡片毛玻璃效果 */
.culture-card,
.product-card,
.service-card,
.solution-card,
.scenario-card,
.case-card,
.testimonial-card,
.news-card,
.article-card,
.hot-card,
.faq-item,
.howto-step,
.contact-item {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    padding: 35px 25px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.culture-card::before,
.product-card::before,
.service-card::before,
.solution-card::before,
.scenario-card::before,
.case-card::before,
.testimonial-card::before,
.news-card::before,
.article-card::before,
.hot-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(240, 192, 64, 0.03) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.culture-card:hover::before,
.product-card:hover::before,
.service-card:hover::before,
.solution-card:hover::before,
.scenario-card:hover::before,
.case-card:hover::before,
.testimonial-card:hover::before,
.news-card:hover::before,
.article-card:hover::before,
.hot-card:hover::before {
    opacity: 1;
}

.culture-card:hover,
.product-card:hover,
.service-card:hover,
.solution-card:hover,
.scenario-card:hover,
.case-card:hover,
.testimonial-card:hover,
.news-card:hover,
.article-card:hover,
.hot-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(240, 192, 64, 0.3);
}

.culture-card h3,
.product-card h3,
.service-card h3,
.solution-card h3,
.scenario-card h3,
.case-card h3,
.testimonial-card h3,
.news-card h3,
.article-card h3,
.hot-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.culture-card p,
.product-card p,
.service-card p,
.solution-card p,
.scenario-card p,
.case-card p,
.testimonial-card p,
.news-card p,
.article-card p,
.hot-card p {
    color: #b0b0c0;
    font-size: 0.95rem;
}

.culture-card svg {
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 10px rgba(240, 192, 64, 0.2));
}

.product-card svg {
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3));
}

/* 优势项 */
.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    border-color: rgba(240, 192, 64, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.advantage-item svg {
    margin-bottom: 20px;
    transition: transform 0.4s ease;
}

.advantage-item:hover svg {
    transform: scale(1.15) rotate(5deg);
}

.advantage-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #f0c040;
}

.advantage-item p {
    color: #999;
    font-size: 0.9rem;
}

/* 客户Logo */
.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
}

.client-logo:hover {
    border-color: rgba(240, 192, 64, 0.3);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.client-logo svg rect {
    fill: rgba(255, 255, 255, 0.05);
    transition: fill 0.3s ease;
}

.client-logo:hover svg rect {
    fill: rgba(240, 192, 64, 0.1);
}

.client-logo svg text {
    fill: #888;
    transition: fill 0.3s ease;
}

.client-logo:hover svg text {
    fill: #f0c040;
}

/* 数据展示 */
.data-item {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 35px 20px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(240, 192, 64, 0.1);
    text-align: center;
    transition: all 0.4s ease;
}

.data-item:hover {
    transform: translateY(-8px);
    border-color: rgba(240, 192, 64, 0.3);
    box-shadow: 0 20px 50px rgba(240, 192, 64, 0.15);
}

.data-number {
    font-size: 3rem;
    font-weight: 800;
    color: #f0c040;
    display: block;
    background: linear-gradient(135deg, #f0c040, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.data-item p {
    color: #8888a0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 评价卡片 */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: rgba(240, 192, 64, 0.15);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.8;
    padding-left: 20px;
}

.testimonial-card cite {
    display: block;
    margin-top: 15px;
    color: #f0c040;
    font-style: normal;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 新闻卡片 */
.news-card time {
    display: block;
    margin-top: 15px;
    color: #666;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 15px;
}

/* 文章卡片 */
.article-card a {
    display: inline-block;
    margin-top: 15px;
    color: #f0c040;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.article-card a::after {
    content: '→';
    margin-left: 5px;
    transition: margin-left 0.3s ease;
}

.article-card a:hover::after {
    margin-left: 10px;
}

.article-card a:hover {
    color: #ffd700;
}

/* FAQ */
.faq-item {
    padding: 20px 25px;
    margin-bottom: 15px;
}

.faq-question {
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    color: #ffffff;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #f0c040;
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.4s ease;
    color: #f0c040;
    font-weight: 300;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 15px 0 5px;
    color: #b0b0c0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* HowTo步骤 */
.howto-step {
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f0c040, #e6a800);
    color: #1a1a2e;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(240, 192, 64, 0.3);
}

.howto-step h3 {
    margin-bottom: 10px;
}

/* 页脚 */
.footer {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #b0b0c0;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(240, 192, 64, 0.1);
}

.footer h3 {
    color: #f0c040;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer a {
    color: #8888a0;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #f0c040;
}

.footer ul {
    list-style: none;
    padding: 0;
}

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

.footer p {
    color: #666;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 40px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 5px;
}

/* 返回顶部 */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #f0c040, #e6a800);
    color: #1a1a2e;
    border: none;
    border-radius: 50%;
    width: 55px;
    height: 55px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(240, 192, 64, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
}

#backToTop:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 35px rgba(240, 192, 64, 0.5);
}

#backToTop svg {
    width: 24px;
    height: 24px;
    stroke: #1a1a2e;
    fill: none;
    stroke-width: 2.5;
}

/* 暗黑模式增强 */
body.dark {
    background: #0a0a1a;
    color: #e0e0e0;
}

body.dark h1,
body.dark h2,
body.dark h3 {
    color: #f0c040;
}

body.dark p {
    color: #b0b0c0;
}

body.dark .culture-card,
body.dark .product-card,
body.dark .service-card,
body.dark .solution-card,
body.dark .scenario-card,
body.dark .case-card,
body.dark .testimonial-card,
body.dark .news-card,
body.dark .article-card,
body.dark .hot-card,
body.dark .faq-item,
body.dark .howto-step,
body.dark .contact-item,
body.dark .stat-item,
body.dark .data-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

body.dark .breadcrumb {
    background: rgba(255, 255, 255, 0.02);
}

body.dark .breadcrumb a {
    color: #f0c040;
}

body.dark .client-logo svg rect {
    fill: rgba(255, 255, 255, 0.05);
}

body.dark .client-logo svg text {
    fill: #888;
}

body.dark .navbar {
    background: rgba(10, 10, 26, 0.9);
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-grid,
    .advantages-grid,
    .services-grid,
    .scenarios-grid,
    .data-grid,
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero {
        height: 550px;
    }

    .hero-content h1,
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid rgba(240, 192, 64, 0.1);
        animation: slideDown 0.3s ease;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        font-size: 16px;
        padding: 12px 0;
    }

    .menu-toggle {
        display: block;
    }

    .culture-grid,
    .product-grid,
    .advantages-grid,
    .services-grid,
    .solutions-grid,
    .scenarios-grid,
    .data-grid,
    .cases-grid,
    .clients-grid,
    .testimonials-grid,
    .news-grid,
    .articles-grid,
    .hot-grid,
    .howto-steps,
    .contact-info,
    .sitemap-list,
    .links-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        height: 450px;
    }

    .hero-content {
        padding: 30px 20px;
        margin: 0 15px;
    }

    .hero-content h1,
    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-prev,
    .hero-next {
        font-size: 20px;
        padding: 10px 14px;
    }

    .hero-prev {
        left: 15px;
    }

    .hero-next {
        right: 15px;
    }

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

    .section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .stat-number,
    .data-number {
        font-size: 2.2rem;
    }

    .footer {
        padding: 50px 0 20px;
    }

    #backToTop {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 380px;
    }

    .hero-content h1,
    .hero-content h2 {
        font-size: 1.6rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 25px 15px;
    }

    .stat-number,
    .data-number {
        font-size: 2rem;
    }

    .section {
        padding: 40px 0;
    }

    h2 {
        font-size: 1.5rem;
    }

    .culture-card,
    .product-card,
    .service-card,
    .solution-card,
    .scenario-card,
    .case-card,
    .testimonial-card,
    .news-card,
    .article-card,
    .hot-card,
    .faq-item,
    .howto-step,
    .contact-item {
        padding: 25px 20px;
    }

    .btn-primary {
        padding: 12px 28px;
        font-size: 0.9rem;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #f0c040, #e6a800);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ffd700, #f0c040);
}

/* 选中文本样式 */
::selection {
    background: rgba(240, 192, 64, 0.3);
    color: #ffffff;
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid #f0c040;
    outline-offset: 2px;
    border-radius: 4px;
}

/* 打印样式 */
@media print {
    .navbar,
    .hero-prev,
    .hero-next,
    .hero-dots,
    #backToTop,
    .search-bar,
    .menu-toggle,
    .search-toggle,
    .dark-toggle {
        display: none !important;
    }

    body {
        background: #ffffff;
        color: #000000;
    }

    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
}