:root {
     --logo-image: url('./images/LOGO.png');
     --slide-1-image: url('./images/会议室.jpg');
     --slide-2-image: url('./images/景区.jpg');
     --slide-3-image: url('./images/产品展示.jpg');
     --fallback-bg: #0a0a1a;
 }

 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 :root {
     --primary: #00f0ff;
     --secondary: #7000ff;
     --accent: #ff2d95;
     --dark: #0a0a1a;
     --darker: #050510;
     --light: #ffffff;
     --gray: #8892b0;
     --glass: rgba(255, 255, 255, 0.03);
     --glass-border: rgba(255, 255, 255, 0.08);
 }

 body {
     font-family: 'Inter', sans-serif;
     background: var(--darker);
     color: var(--light);
     overflow-x: hidden;
 }

 #particles-canvas {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     z-index: 0;
     pointer-events: none;
 }

 .navbar {
     position: fixed;
     top: 0;
     width: 100%;
     padding: 12px 50px;
     display: flex;
     justify-content: space-between;
     align-items: center;
     z-index: 1000;
     background: rgba(5, 5, 16, 0.85);
     backdrop-filter: blur(20px);
     border-bottom: 1px solid var(--glass-border);
     transition: all 0.3s ease;
     min-height: 70px;
 }

 .logo-link {
     text-decoration: none;
     color: inherit;
 }

 .logo {
     font-family: 'Orbitron', sans-serif;
     font-size: 1.3rem;
     font-weight: 700;
     background: linear-gradient(135deg, var(--primary), var(--secondary));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     display: flex;
     align-items: center;
     gap: 10px;
     flex-shrink: 0;
 }

 .logo-icon {
     width: 36px;
     height: 36px;
     object-fit: contain;
     -webkit-text-fill-color: initial;
     display: block;
 }

 .nav-links {
     display: flex;
     gap: 30px;
     list-style: none;
     align-items: center;
 }

 .nav-links a {
     color: var(--gray);
     text-decoration: none;
     font-size: 0.85rem;
     font-weight: 500;
     transition: all 0.3s ease;
     position: relative;
 }

 .nav-links a:hover {
     color: var(--primary);
 }

 .nav-links a::after {
     content: '';
     position: absolute;
     bottom: -5px;
     left: 0;
     width: 0;
     height: 2px;
     background: linear-gradient(90deg, var(--primary), var(--secondary));
     transition: width 0.3s ease;
 }

 .nav-links a:hover::after {
     width: 100%;
 }

 .nav-cta {
     padding: 10px 24px;
     background: linear-gradient(135deg, var(--primary), var(--secondary));
     border: none;
     border-radius: 30px;
     color: var(--darker);
     font-weight: 700;
     font-size: 0.8rem;
     cursor: pointer;
     transition: all 0.3s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
     white-space: nowrap;
 }

 .nav-cta a {
     color: var(--darker);
     text-decoration: none;
 }

 .nav-cta:hover {
     transform: translateY(-2px);
     box-shadow: 0 10px 40px rgba(0, 240, 255, 0.3);
 }

 .hero-section {
     position: relative;
     height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     overflow: hidden;
 }

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

 .carousel-slide {
     position: absolute;
     width: 100%;
     height: 100%;
     opacity: 0;
     transition: opacity 1s ease-in-out;
     display: flex;
     align-items: center;
     justify-content: center;
 }

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

 .carousel-slide::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
     z-index: 1;
 }

 .carousel-bg {
     position: absolute;
     width: 100%;
     height: 100%;
     object-fit: cover;
     filter: brightness(0.3);
 }

 .hero-content {
     position: relative;
     z-index: 2;
     text-align: center;
     max-width: 900px;
     padding: 0 20px;
 }

 .hero-badge {
     display: inline-block;
     padding: 8px 20px;
     background: rgba(0, 240, 255, 0.1);
     border: 1px solid rgba(0, 240, 255, 0.3);
     border-radius: 30px;
     color: var(--primary);
     font-size: 0.8rem;
     font-weight: 600;
     letter-spacing: 2px;
     text-transform: uppercase;
     margin-bottom: 30px;
     animation: pulse 2s infinite;
 }

 @keyframes pulse {

     0%,
     100% {
         box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4);
     }

     50% {
         box-shadow: 0 0 0 15px rgba(0, 240, 255, 0);
     }
 }

 .hero-title {
     font-family: 'Orbitron', sans-serif;
     font-size: clamp(2.5rem, 6vw, 4.5rem);
     font-weight: 900;
     line-height: 1.1;
     margin-bottom: 25px;
     background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--secondary) 100%);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     text-shadow: 0 0 60px rgba(0, 240, 255, 0.3);
 }

 .hero-subtitle {
     font-size: 1.2rem;
     color: var(--gray);
     margin-bottom: 40px;
     line-height: 1.8;
     max-width: 600px;
     margin-left: auto;
     margin-right: auto;
 }

 .hero-btns {
     display: flex;
     gap: 20px;
     justify-content: center;
     flex-wrap: wrap;
 }

 .btn-primary {
     padding: 16px 45px;
     background: linear-gradient(135deg, var(--primary), var(--secondary));
     border: none;
     border-radius: 50px;
     color: var(--darker);
     font-weight: 700;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
     position: relative;
     overflow: hidden;
 }

 .btn-primary::before {
     content: '';
     position: absolute;
     top: 0;
     left: -100%;
     width: 100%;
     height: 100%;
     background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
     transition: left 0.5s ease;
 }

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

 .btn-primary:hover {
     transform: translateY(-3px);
     box-shadow: 0 15px 50px rgba(0, 240, 255, 0.4);
 }

 .btn-secondary {
     padding: 16px 45px;
     background: transparent;
     border: 2px solid rgba(255, 255, 255, 0.2);
     border-radius: 50px;
     color: var(--light);
     font-weight: 600;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s ease;
     backdrop-filter: blur(10px);
 }

 .btn-secondary:hover {
     border-color: var(--primary);
     color: var(--primary);
     transform: translateY(-3px);
     box-shadow: 0 10px 40px rgba(0, 240, 255, 0.15);
 }

 .carousel-indicators {
     position: absolute;
     bottom: 40px;
     left: 50%;
     transform: translateX(-50%);
     display: flex;
     gap: 12px;
     z-index: 10;
 }

 .indicator {
     width: 50px;
     height: 4px;
     background: rgba(255, 255, 255, 0.2);
     border-radius: 2px;
     cursor: pointer;
     transition: all 0.3s ease;
     position: relative;
     overflow: hidden;
 }

 .indicator.active {
     background: linear-gradient(90deg, var(--primary), var(--secondary));
     width: 80px;
 }

 .indicator-fill {
     position: absolute;
     top: 0;
     left: 0;
     height: 100%;
     width: 0%;
     background: linear-gradient(90deg, var(--primary), var(--secondary));
     border-radius: 2px;
     transition: width 0.1s linear;
 }

 .indicator.active .indicator-fill {
     width: 100%;
     transition: width 5s linear;
 }

 .scroll-indicator {
     position: absolute;
     bottom: 80px;
     left: 50%;
     transform: translateX(-50%);
     z-index: 10;
     animation: bounce 2s infinite;
 }

 .scroll-indicator i {
     font-size: 2rem;
     color: var(--primary);
     opacity: 0.6;
 }

 @keyframes bounce {

     0%,
     20%,
     50%,
     80%,
     100% {
         transform: translateX(-50%) translateY(0);
     }

     40% {
         transform: translateX(-50%) translateY(-15px);
     }

     60% {
         transform: translateX(-50%) translateY(-8px);
     }
 }

 .features-section {
     padding: 120px 60px;
     position: relative;
     z-index: 1;
 }

 .section-header {
     text-align: center;
     margin-bottom: 80px;
 }

 .section-label {
     display: inline-block;
     padding: 6px 18px;
     background: rgba(0, 240, 255, 0.08);
     border: 1px solid rgba(0, 240, 255, 0.2);
     border-radius: 20px;
     color: var(--primary);
     font-size: 0.75rem;
     font-weight: 600;
     letter-spacing: 3px;
     text-transform: uppercase;
     margin-bottom: 20px;
 }

 .section-title {
     font-family: 'Orbitron', sans-serif;
     font-size: clamp(2rem, 4vw, 3rem);
     font-weight: 700;
     margin-bottom: 20px;
     background: linear-gradient(135deg, #fff, var(--primary));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
 }

 .section-desc {
     color: var(--gray);
     font-size: 1.1rem;
     max-width: 600px;
     margin: 0 auto;
     line-height: 1.8;
 }

 .features-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 30px;
     max-width: 1400px;
     margin: 0 auto;
 }

 .feature-card {
     background: var(--glass);
     border: 1px solid var(--glass-border);
     border-radius: 24px;
     padding: 30px 25px;
     position: relative;
     overflow: hidden;
     transition: all 0.4s ease;
     backdrop-filter: blur(10px);
     display: flex;
     flex-direction: column;
     align-items: center;
     text-align: center;
     min-height: 320px;
 }

 .feature-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 3px;
     background: linear-gradient(90deg, var(--primary), var(--secondary));
     transform: scaleX(0);
     transform-origin: left;
     transition: transform 0.4s ease;
 }

 .feature-card:hover {
     transform: translateY(-10px);
     border-color: rgba(0, 240, 255, 0.2);
     box-shadow: 0 20px 60px rgba(0, 240, 255, 0.1);
 }

 .feature-card:hover::before {
     transform: scaleX(1);
 }

 .feature-icon {
     width: 70px;
     height: 70px;
     background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
     border-radius: 20px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 20px;
     font-size: 1.8rem;
     color: var(--primary);
     border: 1px solid rgba(0, 240, 255, 0.15);
     transition: all 0.3s ease;
     flex-shrink: 0;
 }

 .feature-card:hover .feature-icon {
     transform: scale(1.1) rotate(5deg);
     box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
 }

 .feature-title {
     font-family: 'Orbitron', sans-serif;
     font-size: 1.1rem;
     font-weight: 600;
     margin-bottom: 12px;
     color: var(--light);
 }

 .feature-image {
     width: 100%;
     height: 180px;
     object-fit: cover;
     border-radius: 12px;
     margin-top: 10px;
     transition: all 0.4s ease;
     border: 1px solid rgba(255, 255, 255, 0.05);
 }

 .feature-card:hover .feature-image {
     transform: scale(1.02);
     border-color: rgba(0, 240, 255, 0.2);
     box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
 }

 .feature-image-fallback {
     display: none;
     width: 100%;
     height: 180px;
     background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(112, 0, 255, 0.05));
     border-radius: 12px;
     align-items: center;
     justify-content: center;
     color: var(--gray);
     font-size: 0.9rem;
     border: 1px dashed rgba(255, 255, 255, 0.1);
 }

 .feature-image.error+.feature-image-fallback {
     display: flex;
 }

 .feature-image.error {
     display: none;
 }

 /* ===== PRODUCT SHOWCASE SECTION ===== */
 .showcase-section {
     padding: 100px 60px;
     position: relative;
     z-index: 1;
     background: var(--darker);
 }

 .showcase-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 30px;
     max-width: 1400px;
     margin: 0 auto;
 }

 .showcase-item {
     position: relative;
     border-radius: 20px;
     overflow: hidden;
     cursor: pointer;
     transition: all 0.4s ease;
     aspect-ratio: 4 / 3;
     background: var(--dark);
     border: 1px solid var(--glass-border);
 }

 .showcase-item img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: all 0.5s ease;
 }

 .showcase-item:hover img {
     transform: scale(1.08);
 }

 .showcase-item:hover {
     border-color: rgba(0, 240, 255, 0.3);
     box-shadow: 0 20px 60px rgba(0, 240, 255, 0.15);
     transform: translateY(-5px);
 }

 .showcase-overlay {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     padding: 25px 30px;
     background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
     transition: all 0.4s ease;
 }

 .showcase-overlay h4 {
     font-family: 'Orbitron', sans-serif;
     font-size: 0.95rem;
     font-weight: 600;
     color: var(--light);
     margin-bottom: 4px;
 }

 .showcase-overlay p {
     color: var(--gray);
     font-size: 0.8rem;
     opacity: 0.8;
 }

 .showcase-item:hover .showcase-overlay {
     padding-bottom: 35px;
 }

 .showcase-glow {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     border: 2px solid transparent;
     border-radius: 20px;
     transition: all 0.4s ease;
     pointer-events: none;
 }

 .showcase-item:hover .showcase-glow {
     border-color: rgba(0, 240, 255, 0.2);
     box-shadow: inset 0 0 40px rgba(0, 240, 255, 0.05);
 }

 .scenarios-section {
     padding: 120px 60px;
     position: relative;
     z-index: 1;
     background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 50%, var(--darker) 100%);
 }

 .scenarios-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 25px;
     max-width: 1400px;
     margin: 0 auto;
 }

 .scenario-card {
     position: relative;
     border-radius: 24px;
     overflow: hidden;
     height: 400px;
     cursor: pointer;
     transition: all 0.4s ease;
     background: var(--dark);
 }

 .scenario-card:nth-child(1) {
     grid-column: span 2;
 }

 .scenario-card:nth-child(2) {
     grid-column: span 1;
 }

 .scenario-card:nth-child(3) {
     grid-column: span 1;
 }

 .scenario-card:nth-child(4) {
     grid-column: span 2;
 }

 .scenario-card:nth-child(5) {
     grid-column: span 2;
 }

 .scenario-card:nth-child(6) {
     grid-column: span 1;
 }

 .scenario-card img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: all 0.5s ease;
 }

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

 .scenario-overlay {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     padding: 40px;
     background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
     transition: all 0.4s ease;
 }

 .scenario-card:hover .scenario-overlay {
     padding-bottom: 50px;
 }

 .scenario-tag {
     display: inline-block;
     padding: 5px 14px;
     background: rgba(0, 240, 255, 0.15);
     border: 1px solid rgba(0, 240, 255, 0.3);
     border-radius: 20px;
     color: var(--primary);
     font-size: 0.7rem;
     font-weight: 600;
     letter-spacing: 2px;
     text-transform: uppercase;
     margin-bottom: 12px;
 }

 .scenario-title {
     font-family: 'Orbitron', sans-serif;
     font-size: 1.5rem;
     font-weight: 600;
     margin-bottom: 10px;
     color: var(--light);
 }

 .scenario-desc {
     color: var(--gray);
     font-size: 0.9rem;
     line-height: 1.6;
     max-width: 400px;
 }

 .scenario-glow {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     border: 2px solid transparent;
     border-radius: 24px;
     transition: all 0.4s ease;
     pointer-events: none;
 }

 .scenario-card:hover .scenario-glow {
     border-color: rgba(0, 240, 255, 0.3);
     box-shadow: inset 0 0 60px rgba(0, 240, 255, 0.1);
 }

 .contact-section {
     padding: 120px 60px;
     position: relative;
     z-index: 1;
 }

 .contact-container {
     max-width: 1200px;
     margin: 0 auto;
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 60px;
     align-items: center;
 }

 .contact-info h2 {
     font-family: 'Orbitron', sans-serif;
     font-size: 2.5rem;
     font-weight: 700;
     margin-bottom: 20px;
     background: linear-gradient(135deg, #fff, var(--primary));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
 }

 .contact-info>p {
     color: var(--gray);
     font-size: 1.1rem;
     margin-bottom: 40px;
     line-height: 1.8;
 }

 .contact-item {
     display: flex;
     align-items: flex-start;
     gap: 20px;
     margin-bottom: 30px;
 }

 .contact-item-icon {
     width: 55px;
     height: 55px;
     background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
     border: 1px solid rgba(0, 240, 255, 0.15);
     border-radius: 16px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.3rem;
     color: var(--primary);
     flex-shrink: 0;
 }

 .contact-item h4 {
     font-family: 'Orbitron', sans-serif;
     font-size: 1rem;
     font-weight: 600;
     margin-bottom: 5px;
     color: var(--light);
 }

 .contact-item p {
     color: var(--gray);
     font-size: 0.95rem;
 }

 .contact-form {
     background: var(--glass);
     border: 1px solid var(--glass-border);
     border-radius: 24px;
     padding: 50px;
     backdrop-filter: blur(20px);
     position: relative;
     overflow: hidden;
 }

 .contact-form::before {
     content: '';
     position: absolute;
     top: -50%;
     right: -50%;
     width: 200px;
     height: 200px;
     background: radial-gradient(circle, rgba(0, 240, 255, 0.1), transparent);
     border-radius: 50%;
     pointer-events: none;
 }

 .form-group {
     margin-bottom: 25px;
 }

 .form-group label {
     display: block;
     color: var(--gray);
     font-size: 0.85rem;
     font-weight: 500;
     margin-bottom: 10px;
     text-transform: uppercase;
     letter-spacing: 1px;
 }

 .form-group input,
 .form-group textarea {
     width: 100%;
     padding: 16px 20px;
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 12px;
     color: var(--light);
     font-size: 1rem;
     font-family: 'Inter', sans-serif;
     transition: all 0.3s ease;
     outline: none;
 }

 .form-group input:focus,
 .form-group textarea:focus {
     border-color: var(--primary);
     box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
 }

 .form-group textarea {
     min-height: 120px;
     resize: vertical;
 }

 .submit-btn {
     width: 100%;
     padding: 18px;
     background: linear-gradient(135deg, var(--primary), var(--secondary));
     border: none;
     border-radius: 12px;
     color: var(--darker);
     font-weight: 700;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s ease;
     text-transform: uppercase;
     letter-spacing: 2px;
     position: relative;
     overflow: hidden;
 }

 .submit-btn:hover {
     transform: translateY(-2px);
     box-shadow: 0 15px 40px rgba(0, 240, 255, 0.3);
 }

 .footer {
     padding: 60px;
     text-align: center;
     border-top: 1px solid var(--glass-border);
     position: relative;
     z-index: 1;
 }

 .footer-logo {
     font-family: 'Orbitron', sans-serif;
     font-size: 1.5rem;
     font-weight: 700;
     background: linear-gradient(135deg, var(--primary), var(--secondary));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     margin-bottom: 20px;
 }

 .footer p {
     color: var(--gray);
     font-size: 0.9rem;
 }

 .social-links {
     display: flex;
     justify-content: center;
     gap: 20px;
     margin-top: 25px;
 }

 .social-links a {
     width: 45px;
     height: 45px;
     background: var(--glass);
     border: 1px solid var(--glass-border);
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     color: var(--gray);
     font-size: 1.1rem;
     transition: all 0.3s ease;
     text-decoration: none;
 }

 .social-links a:hover {
     border-color: var(--primary);
     color: var(--primary);
     transform: translateY(-3px);
     box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
 }

 .fade-in {
     opacity: 0;
     transform: translateY(40px);
     transition: all 0.8s ease;
 }

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

 @media (max-width: 1024px) {
	    .showcase-grid {
	        grid-template-columns: repeat(2, 1fr);
         gap: 20px;
     }

     .scenario-card:nth-child(1),
     .scenario-card:nth-child(4) {
         grid-column: span 2;
     }

     .scenario-card:nth-child(2),
     .scenario-card:nth-child(3),
     .scenario-card:nth-child(5),
     .scenario-card:nth-child(6) {
         grid-column: span 1;
     }

     .showcase-grid {
         grid-template-columns: repeat(2, 1fr);
     }

     .showcase-section {
         padding: 80px 40px;
     }

     .contact-container {
         grid-template-columns: 1fr;
     }

     .features-grid {
         grid-template-columns: repeat(2, 1fr);
     }
 }

 @media (max-width: 768px) {
     .showcase-grid {
         grid-template-columns: 1fr;
         gap: 15px;
     }

     .showcase-item {
         aspect-ratio: 16 / 10;
     }

     .logo {
         font-size: 1rem;
     }

     .logo-icon {
         width: 28px;
         height: 28px;
     }

     .nav-links {
         display: none;
     }

     .nav-cta {
         padding: 8px 16px;
         font-size: 0.7rem;
     }

     .features-section,
     .scenarios-section,
     .contact-section {
         padding: 80px 20px;
     }

     .showcase-section {
         padding: 60px 20px;
     }

     .scenarios-grid {
         grid-template-columns: 1fr;
         gap: 15px;
     }

     .scenario-card:nth-child(1),
     .scenario-card:nth-child(4) {
         grid-column: span 1;
     }

     .scenario-card {
         height: 300px;
     }

     .showcase-grid {
         grid-template-columns: 1fr 1fr;
         gap: 15px;
     }

     .showcase-item {
         aspect-ratio: 1 / 1;
     }

     .showcase-overlay h4 {
         font-size: 0.8rem;
     }

     .showcase-overlay p {
         font-size: 0.7rem;
     }

     .showcase-overlay {
         padding: 15px 20px;
     }

     .hero-btns {
         flex-direction: column;
         align-items: center;
     }

     .contact-form {
         padding: 30px;
     }

     .features-grid {
         grid-template-columns: 1fr;
     }

     .feature-image {
         height: 140px;
     }
 }