* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f9f9fb;
    transition: background 0.3s, color 0.3s;
}
.dark-mode {
    background: #121212;
    color: #e0e0e0;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.5);
}
.btn-outline {
    background: transparent;
    border: 2px solid #ff6b35;
    color: #ff6b35;
}
.btn-outline:hover {
    background: #ff6b35;
    color: #fff;
}
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.dark-mode .glass {
    background: rgba(30, 30, 30, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
}
.card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}
.dark-mode .card {
    background: #1e1e1e;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}
.dark-mode .section-title p {
    color: #aaa;
}
.grid {
    display: grid;
    gap: 30px;
}
.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 {
    transition-delay: 0.1s;
}
.delay-2 {
    transition-delay: 0.2s;
}
.delay-3 {
    transition-delay: 0.3s;
}
.delay-4 {
    transition-delay: 0.4s;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s;
}
.header-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}
.dark-mode .header-scrolled {
    background: rgba(18, 18, 18, 0.9);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b35;
}
.logo img {
    width: 40px;
    height: 40px;
}
.nav-menu {
    display: flex;
    gap: 25px;
    list-style: none;
}
.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff6b35;
    transition: width 0.3s;
}
.nav-menu a:hover::after, .nav-menu a.active::after {
    width: 100%;
}
.nav-menu a:hover, .nav-menu a.active {
    color: #ff6b35;
}
.dark-mode .nav-menu a {
    color: #e0e0e0;
}
.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}
.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: all 0.3s;
    border-radius: 3px;
}
.dark-mode .mobile-toggle span {
    background: #e0e0e0;
}
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
    }
    .dark-mode .nav-menu {
        background: #1e1e1e;
    }
    .header-inner {
        position: relative;
    }
}
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite;
}
@keyframes heroGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero h1 span {
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero .btn {
    font-size: 1.1rem;
    padding: 15px 35px;
}
.hero .btn i {
    margin-right: 8px;
}
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
}
.banner-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.banner-slide {
    display: none;
    padding: 60px 40px;
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}
.banner-slide.active {
    display: flex;
    animation: fadeIn 0.5s;
}
.banner-slide h3 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 15px;
}
.banner-slide p {
    color: #ccc;
    max-width: 500px;
}
.banner-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}
.banner-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s;
}
.banner-dots span.active {
    background: #ff6b35;
    transform: scale(1.2);
}
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}
.tech-stack span {
    background: rgba(255, 107, 53, 0.1);
    color: #ff6b35;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}
.team-card {
    text-align: center;
}
.team-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid #ff6b35;
}
.team-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}
.team-card p {
    color: #666;
    font-size: 0.9rem;
}
.dark-mode .team-card p {
    color: #aaa;
}
.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    color: #fff;
}
.service-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    counter-reset: step;
}
.service-step {
    position: relative;
    padding-left: 60px;
}
.service-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ff6b35;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.testimonial-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}
.testimonial-slider::-webkit-scrollbar {
    display: none;
}
.testimonial-card {
    min-width: 320px;
    scroll-snap-align: start;
    flex-shrink: 0;
}
.testimonial-card p {
    font-style: italic;
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
    border-left: 3px solid #ff6b35;
}
.testimonial-card h5 {
    font-weight: 600;
    margin-bottom: 5px;
}
.testimonial-card span {
    color: #666;
    font-size: 0.85rem;
}
.faq-item {
    border-bottom: 1px solid #e0e0e0;
    padding: 15px 0;
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 10px 0;
}
.faq-question .icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
    color: #ff6b35;
}
.faq-item.open .faq-question .icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 15px;
    color: #555;
}
.dark-mode .faq-answer {
    color: #aaa;
}
.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 10px 15px 15px;
}
.howto-steps {
    display: grid;
    gap: 20px;
    counter-reset: howto;
}
.howto-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: rgba(255, 107, 53, 0.05);
    border-radius: 12px;
}
.howto-step::before {
    counter-increment: howto;
    content: '步骤 ' counter(howto);
    background: #ff6b35;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
    font-size: 0.85rem;
}
.dark-mode .howto-step {
    background: rgba(255, 107, 53, 0.1);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}
.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.contact-info i {
    color: #ff6b35;
    width: 20px;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 1rem;
    background: #fff;
    transition: border 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: #ff6b35;
    outline: none;
}
.dark-mode .contact-form input, .dark-mode .contact-form textarea {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.news-card .date {
    color: #999;
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: block;
}
.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.news-card p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 15px;
}
.dark-mode .news-card p {
    color: #aaa;
}
.news-card .btn {
    font-size: 0.9rem;
    padding: 8px 20px;
}
.footer {
    background: #1a1a2e;
    color: #ccc;
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}
.footer h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.1rem;
}
.footer a {
    color: #aaa;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s;
}
.footer a:hover {
    color: #ff6b35;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}
.footer-bottom p {
    margin-bottom: 5px;
}
.footer-bottom .links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin: 10px 0;
}
.dark-mode-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dark-mode-toggle:hover {
    transform: scale(1.1);
}
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 999;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    display: none;
    align-items: center;
    justify-content: center;
}
.back-to-top.show {
    display: flex;
}
.back-to-top:hover {
    background: #ff6b35;
}
.search-bar {
    display: flex;
    max-width: 500px;
    margin: 0 auto 40px;
}
.search-bar input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 30px 0 0 30px;
    font-size: 1rem;
    background: #fff;
    transition: border 0.3s;
}
.search-bar input:focus {
    border-color: #ff6b35;
    outline: none;
}
.search-bar button {
    padding: 12px 24px;
    background: linear-gradient(135deg, #ff6b35, #ff3e6b);
    color: #fff;
    border: none;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}
.search-bar button:hover {
    opacity: 0.9;
}
.dark-mode .search-bar input {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
}
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}
.number-animate {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ff6b35;
    display: inline-block;
}
.stat-item {
    text-align: center;
    padding: 20px;
}
.stat-item p {
    color: #666;
    margin-top: 8px;
}
.dark-mode .stat-item p {
    color: #aaa;
}
.breadcrumb {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
    margin-top: 70px;
}
.dark-mode .breadcrumb {
    background: rgba(30, 30, 30, 0.8);
    border-color: #333;
}
.breadcrumb a {
    color: #ff6b35;
    text-decoration: none;
}
.breadcrumb span {
    color: #999;
}
.breadcrumb .separator {
    margin: 0 8px;
    color: #ccc;
}
.svg-placeholder {
    width: 100%;
    height: auto;
    border-radius: 12px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.dark-mode .svg-placeholder {
    background: #2a2a2a;
}
.svg-placeholder svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.lazy-image {
    opacity: 0;
    transition: opacity 0.5s;
}
.lazy-image.loaded {
    opacity: 1;
}
.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}
.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    min-width: 200px;
}
.newsletter-form button {
    padding: 10px 20px;
    background: #ff6b35;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}
.dark-mode .newsletter-form input {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
}
.qr-code {
    width: 120px;
    height: 120px;
    margin: 10px auto;
    display: block;
    border-radius: 12px;
}
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin: 15px 0;
}
.friend-links a {
    color: #aaa;
    font-size: 0.85rem;
    padding: 4px 12px;
    border: 1px solid #444;
    border-radius: 20px;
    transition: all 0.3s;
}
.friend-links a:hover {
    color: #ff6b35;
    border-color: #ff6b35;
}
.sitemap-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin: 20px 0;
}
.sitemap-links a {
    color: #aaa;
    font-size: 0.85rem;
}
.sitemap-links a:hover {
    color: #ff6b35;
}
.privacy-notice {
    font-size: 0.8rem;
    color: #999;
    margin-top: 20px;
    line-height: 1.8;
}
.privacy-notice a {
    color: #ff6b35;
}
.dark-mode .privacy-notice {
    color: #777;
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}
.case-card {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    min-height: 250px;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}
.case-card .overlay {
    color: #fff;
    z-index: 2;
}
.case-card .overlay h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}
.case-card .overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
}
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}
.solution-card {
    padding: 30px;
    text-align: center;
    border: 1px solid #eee;
    border-radius: 16px;
    transition: all 0.3s;
}
.solution-card:hover {
    border-color: #ff6b35;
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.1);
}
.dark-mode .solution-card {
    border-color: #333;
}
.solution-card .icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.solution-card h4 {
    margin-bottom: 10px;
}
.solution-card p {
    color: #666;
    font-size: 0.95rem;
}
.dark-mode .solution-card p {
    color: #aaa;
}
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.industry-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 107, 53, 0.05);
    border-radius: 16px;
    transition: all 0.3s;
}
.industry-item:hover {
    background: rgba(255, 107, 53, 0.1);
}
.industry-item .icon {
    font-size: 2rem;
    margin-bottom: 10px;
}
.industry-item h5 {
    font-size: 1rem;
    margin-bottom: 5px;
}
.industry-item p {
    font-size: 0.85rem;
    color: #666;
}
.dark-mode .industry-item p {
    color: #aaa;
}
.advantage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}
.advantage-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    background: rgba(255, 107, 53, 0.05);
}
.advantage-item .num {
    font-size: 2rem;
    font-weight: 700;
    color: #ff6b35;
    min-width: 40px;
}
.dark-mode .advantage-item {
    background: rgba(255, 107, 53, 0.1);
}
.core-value {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    text-align: center;
}
.core-value .value-item {
    padding: 30px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}
.dark-mode .core-value .value-item {
    background: rgba(30, 30, 30, 0.5);
}
.core-value .value-item .icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.core-value .value-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.core-value .value-item p {
    font-size: 0.9rem;
    color: #666;
}
.dark-mode .core-value .value-item p {
    color: #aaa;
}
.culture-desc {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
}
.dark-mode .culture-desc {
    color: #bbb;
}
.author-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 107, 53, 0.05);
    border-radius: 12px;
    margin: 30px 0;
}
.author-box img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}
.author-box .info h5 {
    font-weight: 600;
    margin-bottom: 3px;
}
.author-box .info p {
    font-size: 0.85rem;
    color: #666;
}
.dark-mode .author-box .info p {
    color: #aaa;
}
.team-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    color: #555;
    font-size: 1.05rem;
}
.dark-mode .team-intro {
    color: #bbb;
}
.company-history {
    display: grid;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}
.history-item {
    display: flex;
    gap: 20px;
    padding: 15px 0;
    border-left: 3px solid #ff6b35;
    padding-left: 20px;
}
.history-item .year {
    font-weight: 700;
    color: #ff6b35;
    min-width: 80px;
}
.history-item p {
    color: #555;
}
.dark-mode .history-item p {
    color: #bbb;
}
.related-posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.related-posts .post-card {
    padding: 15px;
    border-radius: 12px;
    background: rgba(255, 107, 53, 0.03);
    transition: all 0.3s;
}
.related-posts .post-card:hover {
    background: rgba(255, 107, 53, 0.08);
}
.related-posts .post-card h5 {
    font-size: 1rem;
    margin-bottom: 5px;
}
.related-posts .post-card .date {
    font-size: 0.8rem;
    color: #999;
}
.dark-mode .related-posts .post-card {
    background: rgba(255, 107, 53, 0.05);
}
.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}
.popular-tags a {
    padding: 5px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #666;
    text-decoration: none;
    transition: all 0.3s;
}
.popular-tags a:hover {
    border-color: #ff6b35;
    color: #ff6b35;
}
.dark-mode .popular-tags a {
    border-color: #444;
    color: #aaa;
}
.dark-mode .popular-tags a:hover {
    border-color: #ff6b35;
    color: #ff6b35;
}
.hot-recommend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.hot-item {
    display: flex;
    gap: 15px;
    align-items: center;
    padding: 15px;
    border-radius: 12px;
    background: rgba(255, 107, 53, 0.03);
}
.hot-item .rank {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b35;
    min-width: 30px;
}
.hot-item .info h5 {
    font-size: 0.95rem;
    margin-bottom: 3px;
}
.hot-item .info span {
    font-size: 0.8rem;
    color: #999;
}
.dark-mode .hot-item {
    background: rgba(255, 107, 53, 0.05);
}
.latest-update {
    display: grid;
    gap: 15px;
}
.update-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
}
.update-item:last-child {
    border-bottom: none;
}
.update-item .title {
    color: #333;
}
.update-item .date {
    color: #999;
}
.dark-mode .update-item {
    border-color: #333;
}
.dark-mode .update-item .title {
    color: #e0e0e0;
}
.dark-mode .update-item .date {
    color: #777;
}
.recommend-module {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.recommend-module .rec-card {
    padding: 20px;
    border-radius: 12px;
    background: rgba(255, 107, 53, 0.03);
    text-align: center;
}
.recommend-module .rec-card h5 {
    font-size: 1rem;
    margin-bottom: 8px;
}
.recommend-module .rec-card p {
    font-size: 0.85rem;
    color: #666;
}
.dark-mode .recommend-module .rec-card p {
    color: #aaa;
}
.dark-mode .recommend-module .rec-card {
    background: rgba(255, 107, 53, 0.05);
}
.search-results {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.search-results.show {
    display: block;
}
.dark-mode .search-results {
    background: #1e1e1e;
}
.search-results .result-item {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}
.search-results .result-item:last-child {
    border-bottom: none;
}
.search-results .result-item:hover {
    color: #ff6b35;
}
.dark-mode .search-results .result-item {
    border-color: #333;
}