.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-unit); }  .banner { display: flex; align-items: center; padding: 7rem 5%; background: linear-gradient(135deg, var(--background-alt) 0%, #f0f9ff 100%); border-radius: 0 0 var(--border-radius) var(--border-radius); position: relative; overflow: hidden; min-height: 500px; }   .banner::before, .banner::after { content: ''; position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.3; animation: pulse 8s infinite alternate; }  .banner::before { top: -200px; right: -100px; width: 500px; height: 500px; background: var(--primary); animation-delay: 0s; }  .banner::after { bottom: -150px; left: -100px; width: 400px; height: 400px; background: var(--secondary); animation-delay: 2s; }  .banner-content { flex: 1.25; padding-right: 3rem; position: relative; z-index: 2; animation: fadeInUp 1s ease forwards; opacity: 0; }  .banner-title { font-size: 3.4rem; font-weight: 800; color: var(--text); margin-bottom: 1.5rem; line-height: 1.2; position: relative; }  .banner-title span { background: linear-gradient(90deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; position: relative; display: inline-block; font-size:3.8rem; margin-bottom:20px; }  .banner-title span::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 100%; height: 8px; background: rgba(37, 99, 235, 0.1); border-radius: 4px; z-index: -1; }  .banner-subtitle { font-size: 1.25rem; color: var(--text-light); margin-bottom: 2.5rem; font-weight: 400; max-width: 90%; animation: fadeInUp 1s ease 0.3s forwards; opacity: 0; }  .btn-container { display: flex; gap: 1rem; animation: fadeInUp 1s ease 0.6s forwards; opacity: 0; }  .btn { padding: 0.875rem 2rem; border-radius: var(--border-radius-sm); font-weight: 600; text-decoration: none; transition: var(--transition); cursor: pointer; border: none; font-size: 1rem; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; position: relative; overflow: hidden; }  .btn-primary { background: linear-gradient(90deg, var(--primary), var(--primary-light)); color: white; box-shadow: var(--shadow); }  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4); }  .btn-primary::after { content: ''; position: absolute; top: 50%; left: 50%; width: 150%; height: 150%; background: rgba(255, 255, 255, 0.1); transform: translate(-50%, -50%) rotate(45deg) scale(0); transition: transform 0.6s ease; }  .btn-primary:hover::after { transform: translate(-50%, -50%) rotate(45deg) scale(1); }  .btn-secondary { background-color: transparent; color: var(--primary); border: 2px solid var(--primary); }  .btn-secondary:hover { background-color: var(--primary); color: white; transform: translateY(-2px); box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.2); }   .quantum-animation { flex: 1; display: flex; justify-content: center; align-items: center; position: relative; height: 400px; animation: fadeIn 1.5s ease 0.5s forwards; opacity: 0; }   .quantum-orbit { position: relative; width: 350px; height: 350px; animation: rotateSlow 20s linear infinite; }   .orbit-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(59, 130, 246, 0.2); top: 50%; left: 50%; transform: translate(-50%, -50%); animation: rotate 15s linear infinite; }  .ring-1 { width: 200px; height: 200px; animation-direction: reverse; }  .ring-2 { width: 270px; height: 270px; animation-duration: 20s; }  .ring-3 { width: 340px; height: 340px; animation-duration: 25s; animation-direction: reverse; }  .center-sphere { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100px; height: 100px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-light), var(--secondary)); box-shadow: 0 0 50px rgba(59, 130, 246, 0.6); animation: pulse 3s infinite alternate, float 6s ease-in-out infinite; z-index: 2; }   .center-sphere::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 120%; height: 120%; border-radius: 50%; background: linear-gradient(135deg, var(--primary-light), var(--secondary)); filter: blur(20px); opacity: 0.7; animation: pulse 3s infinite alternate reverse; }  .orbiting-electron { position: absolute; width: 22px; height: 22px; border-radius: 50%; box-shadow: 0 0 20px currentColor; animation: orbit 5s linear infinite, pulseSize 4s infinite alternate; transform-origin: center; color: var(--accent); }  .electron-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; color: var(--accent); }  .electron-2 { right: 0; top: 50%; transform: translateY(-50%); animation: orbit 4s linear infinite reverse, pulseSize 3s infinite alternate; animation-delay: 0.5s; color: var(--secondary); }  .electron-3 { bottom: 0; left: 50%; transform: translateX(-50%); animation: orbit 6s linear infinite, pulseSize 5s infinite alternate; animation-delay: 1s; color: var(--primary); }  .electron-4 { left: 0; top: 50%; transform: translateY(-50%); animation: orbit 5s linear infinite reverse, pulseSize 3.5s infinite alternate; animation-delay: 1.5s; color: var(--primary-light); }   .quantum-connections { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }  .connection { position: absolute; background: linear-gradient(90deg, var(--primary-light), transparent); height: 2px; transform-origin: left center; opacity: 0.6; animation: pulseOpacity 4s infinite alternate; }  /* Quantum Particle Effects */ .quantum-particles { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }  .particle { position: absolute; width: 4px; height: 4px; border-radius: 50%; background-color: var(--primary-light); opacity: 0; box-shadow: 0 0 10px currentColor; color: var(--primary-light); }   .energy-wave { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 10%; height: 10%; border-radius: 50%; border: 2px solid rgba(59, 130, 246, 0.3); animation: expand 8s infinite; z-index: 0; }  .energy-wave:nth-child(2) { animation-delay: 2s; }  .energy-wave:nth-child(3) { animation-delay: 4s; }   @keyframes orbit { 0% { transform: rotate(0deg) translateX(175px) rotate(0deg); } 100% { transform: rotate(360deg) translateX(175px) rotate(-360deg); } }  @keyframes pulse { 0% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 30px rgba(59, 130, 246, 0.5); } 100% { transform: translate(-50%, -50%) scale(1.15); box-shadow: 0 0 60px rgba(59, 130, 246, 0.8); } }  @keyframes pulseSize { 0% { transform: scale(1); } 100% { transform: scale(1.3); } }  @keyframes pulseOpacity { 0% { opacity: 0.3; } 100% { opacity: 0.8; } }  @keyframes pulseColor { 0% { background-color: var(--primary-light); } 50% { background-color: var(--accent); } 100% { background-color: var(--primary-light); } }  @keyframes particle-flow { 0% { transform: translate(0, 0) scale(0.5); opacity: 0; } 10% { opacity: 1; } 100% { transform: translate(var(--tx), var(--ty)) scale(1.5); opacity: 0; } }  @keyframes expand { 0% { width: 100%; height: 100%; opacity: 0.2; } 100% { width: 150%; height: 150%; opacity: 0; } }  @keyframes rotate { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }  @keyframes rotateSlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }  @keyframes float { 0%, 100% { transform: translate(-50%, -52%); } 50% { transform: translate(-50%, -48%); } }  @keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }  /* Features Section */ .section-title { text-align: center; margin-bottom: 3rem; }  .section-title h2 { font-size: 2.5rem; font-weight: 700; color: var(--text); margin-bottom: 1rem; }  .section-title p { font-size: 1.125rem; color: var(--text-light); max-width: 700px; margin: 0 auto; }  .features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; padding: 0 5% 4rem; }  .feature-card { background: var(--card-bg); border-radius: var(--border-radius); padding: 2rem; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); display: flex; flex-direction: column; align-items: flex-start; }  .feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }  .feature-icon { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.5rem; background: linear-gradient(135deg, var(--primary-light), var(--accent)); color: white; }  .feature-card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--text); }  .feature-card p { color: var(--text-light); margin-bottom: 1.5rem; flex-grow: 1; }  .feature-link { color: var(--primary); text-decoration: none; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; transition: var(--transition); }  .feature-link:hover { gap: 0.75rem; color: var(--primary-dark); }   @media (max-width: 992px) { .banner { flex-direction: column; text-align: center; padding: 3rem 5%; }  .banner-content { padding-right: 0; margin-bottom: 3rem; }  .btn-container { justify-content: center; }  .banner-title { font-size: 2.5rem; }  .nav-links { gap: 1.5rem; }  .quantum-animation { width: 100%; margin-top: 2rem; }  .quantum-orbit { width: 300px; height: 300px; }  @keyframes orbit { 0% { transform: rotate(0deg) translateX(150px) rotate(0deg); } 100% { transform: rotate(360deg) translateX(150px) rotate(-360deg); } }  .ring-1 { width: 170px; height: 170px; }  .ring-2 { width: 230px; height: 230px; }  .ring-3 { width: 290px; height: 290px; } }  @media (max-width: 768px) {  .nav-links { margin-top: 1rem; width: 100%; overflow-x: auto; padding-bottom: 0.5rem; }  .banner-title { font-size: 2rem; }  .banner-subtitle { font-size: 1.125rem; }  .section-title h2 { font-size: 2rem; }  .menu-toggle { display: block; }  .quantum-orbit { width: 250px; height: 250px; }  .center-sphere { width: 80px; height: 80px; }  .orbiting-electron { width: 18px; height: 18px; }  @keyframes orbit { 0% { transform: rotate(0deg) translateX(125px) rotate(0deg); } 100% { transform: rotate(360deg) translateX(125px) rotate(-360deg); } }  .ring-1 { width: 140px; height: 140px; }  .ring-2 { width: 190px; height: 190px; }  .ring-3 { width: 240px; height: 240px; } }  @media (max-width: 576px) { .btn-container { flex-direction: column; align-items: center; }  .btn { width: 100%; max-width: 300px; }  .banner-title { font-size: 1.75rem; }  .logo { font-size: 1.5rem; }  .feature-card { padding: 1.5rem; }  .quantum-orbit { width: 200px; height: 200px; }  .center-sphere { width: 60px; height: 60px; }  .orbiting-electron { width: 14px; height: 14px; }  @keyframes orbit { 0% { transform: rotate(0deg) translateX(100px) rotate(0deg); } 100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); } }  .ring-1 { width: 110px; height: 110px; }  .ring-2 { width: 150px; height: 150px; }  .ring-3 { width: 190px; height: 190px; } }     .quantum-product-section { padding: 40px 5%; background-color: var(--quantum-bg-light); position: relative; overflow: hidden; }   .quantum-product-section::before { content: ''; position: absolute; top: 10%; right: 5%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(22, 93, 255, 0.1) 0%, transparent 70%); border-radius: 50%; z-index: 1; }  .quantum-product-section::after { content: ''; position: absolute; bottom: 10%; left: 5%; width: 250px; height: 250px; background: radial-gradient(circle, rgba(123, 97, 255, 0.1) 0%, transparent 70%); border-radius: 50%; z-index: 1; }   .quantum-content-wrapper {  margin: 0 auto; position: relative; z-index: 2;  }   .quantum-section-header { text-align: center; margin-bottom: 60px; }  .quantum-section-header h2 { font-size: 2.5rem; color: var(--quantum-text-dark); margin-bottom: 18px; position: relative; display: inline-block; font-weight: 700; font-family: 'Inter', sans-serif; }  .quantum-section-header h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 70px; height: 3px; background: linear-gradient(90deg, var(--quantum-primary), var(--quantum-accent)); border-radius: 3px; }  .quantum-section-header p { font-size: 1.1rem; color: var(--quantum-text-gray); line-height: 1.7; max-width: 800px; margin: 0 auto; font-family: 'Inter', sans-serif; }   .quantum-product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }   .quantum-product-card { background-color: white; border-radius: var(--quantum-card-radius); padding: 35px; box-shadow: var(--quantum-shadow); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); position: relative; overflow: hidden; border: 1px solid #e5e7eb; /* 与现有卡片边框风格统一 */ }   .quantum-product-card:nth-child(1) { background: linear-gradient(180deg, rgba(22, 93, 255, 0.04) 0%, white 50%); }  .quantum-product-card:nth-child(2) { background: linear-gradient(180deg, rgba(54, 191, 250, 0.04) 0%, white 50%); }  .quantum-product-card:nth-child(3) { background: linear-gradient(180deg, rgba(123, 97, 255, 0.04) 0%, white 50%); }   .quantum-product-card:hover { transform: translateY(-8px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); border:1px solid rgba(39,99,235,0.2); }  .quantum-product-card:hover h3 { color: #3b82f6; }   .quantum-product-icon { width: 64px; height: 64px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 1.8rem; transition: var(--quantum-transition); }   .quantum-product-card:nth-child(1) .quantum-product-icon { background-color: rgba(22, 93, 255, 0.1); color: var(--quantum-accent); }  .quantum-product-card:nth-child(2) .quantum-product-icon { background-color: rgba(54, 191, 250, 0.1); color: var(--quantum-accent); }  .quantum-product-card:nth-child(3) .quantum-product-icon { background-color: rgba(123, 97, 255, 0.1); color: var(--quantum-accent); }  .quantum-product-card:hover .quantum-product-icon { transform: scale(1.05); }   .quantum-product-card h3 { font-size: 1.4rem; color: var(--quantum-text-dark); margin-bottom: 16px; font-weight: 600; font-family: 'Inter', sans-serif; }   .quantum-product-card p { color: var(--quantum-text-gray); line-height: 1.6; margin-bottom: 28px; font-family: 'Inter', sans-serif; }   .quantum-product-link { display: inline-flex; align-items: center; font-weight: 500; text-decoration: none; transition: var(--quantum-transition); font-family: 'Inter', sans-serif; color:blue; }   .quantum-product-card:nth-child(1) .quantum-product-link { color: var(--quantum-accent); }  .quantum-product-card:nth-child(2) .quantum-product-link { color: var(--quantum-accent); }  .quantum-product-card:nth-child(3) .quantum-product-link { color: var(--quantum-accent); }  .quantum-product-link i { margin-left: 8px; transition: var(--quantum-transition); }  .quantum-product-link:hover i { transform: translateX(4px); }   @media (max-width: 992px) { .quantum-product-section { padding: 70px 15px; } }  @media (max-width: 768px) { .quantum-product-section { padding: 60px 15px; }  .quantum-section-header h2 { font-size: 2rem; }  .quantum-product-grid { gap: 24px; } }  @media (max-width: 576px) { .quantum-section-header h2 { font-size: 1.75rem; }  .quantum-product-card { padding: 28px 24px; }  .quantum-product-icon { width: 56px; height: 56px; font-size: 1.5rem; } }         .qpt-section { padding: 6rem 5%; background-color: var(--background-alt); position: relative; overflow: hidden; }  .qpt-section::before { content: ''; position: absolute; top: 20%; right: 8%; width: 350px; height: 350px; background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%); border-radius: 50%; z-index: 1; }  .qpt-section::after { content: ''; position: absolute; bottom: 15%; left: 5%; width: 280px; height: 280px; background: radial-gradient(circle, rgba(126, 34, 206, 0.1) 0%, transparent 70%); border-radius: 50%; z-index: 1; }  .qpt-container {  margin: 0 auto; position: relative; z-index: 2; }  .qpt-header { text-align: center; margin-bottom: 4rem; opacity: 0; transform: translateY(20px); animation: fadeInUp 1s ease forwards 0.3s; }  .qpt-title { font-size: 2.5rem; font-weight: 800; color: var(--text); margin-bottom: 1.25rem; position: relative; display: inline-block; }  .qpt-title::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 4px; }  .qpt-subtitle { font-size: 1.125rem; color: var(--text-light); max-width: 700px; margin: 0 auto; line-height: 1.7; }  .qpt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }  .qpt-card { background-color: var(--card-bg); border-radius: var(--border-radius); padding: 2.25rem 1rem; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); position: relative; overflow: hidden; opacity: 0; transform: translateY(20px); }  .qpt-card:nth-child(1) { animation: fadeInUp 1s ease forwards 0.5s; } .qpt-card:nth-child(2) { animation: fadeInUp 1s ease forwards 0.6s; } .qpt-card:nth-child(3) { animation: fadeInUp 1s ease forwards 0.7s; } .qpt-card:nth-child(4) { animation: fadeInUp 1s ease forwards 0.8s; } .qpt-card:nth-child(5) { animation: fadeInUp 1s ease forwards 0.9s; }  .qpt-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: var(--transition); }  .qpt-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }  .qpt-card:hover::before { opacity: 1; }  .qpt-card-icon { width: 64px; height: 64px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.75rem; background-color: rgba(37, 99, 235, 0.1); color: var(--primary); transition: var(--transition); }  .qpt-card:hover .qpt-card-icon { transform: scale(1.1); box-shadow: 0 10px 20px rgba(37, 99, 235, 0.15); }  .qpt-card-title { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-bottom: 1rem; }  .qpt-card-description { color: var(--text-light); margin-bottom: 1.5rem; line-height: 1.6; }  .qpt-card-advantages { list-style-type: none; margin-top: 1.25rem; }  .qpt-card-advantage { display: flex; align-items: flex-start; margin-bottom: 0.75rem; font-size: 0.95rem; color: var(--text-light); }  .qpt-card-advantage i { color: var(--success); margin-right: 0.5rem; margin-top: 0.35rem; font-size: 0.85rem; }  .qpt-learn-more { display: inline-flex; align-items: center; color: var(--primary); font-weight: 600; text-decoration: none; margin-top: 1.5rem; transition: var(--transition); font-size: 0.95rem; }  .qpt-learn-more i { margin-left: 0.5rem; transition: var(--transition); }  .qpt-learn-more:hover { color: var(--primary-dark); }  .qpt-learn-more:hover i { transform: translateX(4px); }  @media (max-width: 992px) { .qpt-section { padding: 5rem 5%; }  .qpt-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 2rem; } }  @media (max-width: 768px) { .qpt-title { font-size: 2.2rem; }  .qpt-card { padding: 2rem 1.75rem; }  .banner-title span{ font-size:2rem; } }  @media (max-width: 576px) { .qpt-section { padding: 4rem 5%; }  .qpt-title { font-size: 1.8rem; }  .qpt-subtitle { font-size: 1rem; }  .qpt-grid { grid-template-columns: 1fr; }  .qpt-card-icon { width: 56px; height: 56px; font-size: 1.5rem; } }   .q_logo{ width:4rem; height:4rem; display:inline-block; }   /*分割 */  .quantum-hardware-products-section { padding: 40px 5%; background-color: #f8fafc; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; position: relative; overflow: hidden; }  /* Subtle background decoration */ .quantum-hardware-products-section::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 20%), radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 20%); z-index: 0; }  .quantum-hardware-products-header { text-align: center; margin-bottom: 60px; position: relative; z-index: 1; }  .quantum-hardware-products-main-title { font-size: 2.75rem; font-weight: 700; color: #1e293b; margin-bottom: 15px; letter-spacing: -0.5px; position: relative; display: inline-block; }  .quantum-hardware-products-main-title::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 70px; height: 4px; background: linear-gradient(90deg, #3b82f6, #8b5cf6); border-radius: 2px; }  .quantum-hardware-products-subtitle { font-size: 1.25rem; color: #64748b;  margin: 0 auto; line-height: 1.6; }  .quantum-hardware-products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin: 0 auto; position: relative; z-index: 1; }  .quantum-hardware-product-card { background-color: white; border-radius: 6px; overflow: hidden; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); position: relative; }  /* Color accent for each card */ .quantum-hardware-product-card:nth-child(1)::before { background-color: #3b82f6; }  .quantum-hardware-product-card:nth-child(2)::before { background-color: #8b5cf6; }  .quantum-hardware-product-card:nth-child(3)::before { background-color: #10b981; }  .quantum-hardware-product-card:nth-child(4)::before { background-color: #06b6d4; }  .quantum-hardware-product-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px; transform: scaleX(0); transition: transform 0.3s ease; }  .quantum-hardware-product-card:hover { transform: translateY(-8px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }  .quantum-hardware-product-card:hover::before { transform: scaleX(1); }  .quantum-hardware-product-image { height: 300px; position: relative; overflow: hidden; background-color: #f1f5f9; }  .quantum-hardware-product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275); }  .quantum-hardware-product-card:hover .quantum-hardware-product-image img { transform: scale(1.1); }  /* Hover overlay effect */ .quantum-hardware-product-image::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.05); opacity: 0; transition: opacity 0.3s ease; }  .quantum-hardware-product-card:hover .quantum-hardware-product-image::after { opacity: 1; }  .quantum-hardware-product-content { padding: 28px; }  .quantum-hardware-product-title { font-size: 1.6rem; font-weight: 600; color: #1e293b; margin-bottom: 15px; line-height: 1.4; transition: color 0.3s ease; }  .quantum-hardware-product-card:hover .quantum-hardware-product-title { color: #3b82f6; }  .quantum-hardware-product-description { font-size: 0.9375rem; color: #64748b; margin-bottom: 25px; line-height: 1.7; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; text-overflow: ellipsis; }  .quantum-hardware-product-button { display: inline-flex; align-items: center; padding: 11px 20px; background-color: white; color: #3b82f6; border: 1.5px solid #3b82f6; border-radius: 8px; font-size: 0.9375rem; font-weight: 500; text-decoration: none; transition: all 0.3s ease; }  .quantum-hardware-product-button i { margin-left: 8px; transition: transform 0.3s ease; }  .quantum-hardware-product-button:hover { background-color: #3b82f6; color: white; transform: translateX(3px); }  .quantum-hardware-product-button:hover i { transform: translateX(4px); }  /* Responsive Design */ @media (max-width: 1200px) { .quantum-hardware-products-grid { grid-template-columns: repeat(3, 1fr); } }  @media (max-width: 900px) { .quantum-hardware-products-grid { grid-template-columns: repeat(2, 1fr); }  .quantum-hardware-products-main-title { font-size: 2.25rem; }  .quantum-hardware-product-image { height: 200px; } }  @media (max-width: 600px) { .quantum-hardware-products-grid { grid-template-columns: 1fr; gap: 25px; }  .quantum-hardware-products-section { padding: 60px 15px; }  .quantum-hardware-products-main-title { font-size: 2rem; }  .quantum-hardware-products-subtitle { font-size: 1.1rem; }  .quantum-hardware-product-image { height: 180px; }  .quantum-hardware-product-content { padding: 22px; } }   /*分割*/  #quantum-solutions-section { padding: 40px 5%; margin: 0 auto; background-color: #ffffff; }   #quantum-solutions-header { text-align: center; margin-bottom: 40px; }  #quantum-solutions-main-title { color: #2c3e50; font-size: 32px; margin-bottom: 15px; font-weight: 700; }  #quantum-solutions-subtitle { color: #7f8c8d; font-size: 18px; max-width: 700px; margin: 0 auto; line-height: 1.5; }   #quantum-solutions-container { display: flex; flex-wrap: wrap; gap: 30px; }   #quantum-solutions-list { flex: 1; min-width: 280px; background-color: #f8f9fa; border-radius: 8px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }  #quantum-solutions-list ul { list-style: none; }  #quantum-solutions-list li { margin-bottom: 10px; }  .solution-btn { width: 100%; text-align: left; padding:24px  20px; background-color: #ffffff; border: none; border-radius: 6px; color: #34495e; font-size: 1.15rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }  .solution-btn:hover { background-color: #f1f5f9; transform: translateX(3px); }  .solution-btn.active { background-color: #ebf5fb; color: #2980b9; border-left: 4px solid #3498db; font-weight:bold; }   #quantum-solutions-detail { flex: 3; min-width: 280px; }  .solution-item { background-color: #ffffff; border-radius: 8px; overflow: hidden; box-shadow: 0 3px 10px rgba(0,0,0,0.1); transition: all 0.4s ease; height:500px; }   .solution-image-container { position: relative; width: 100%; height:100%; }  .solution-image-container img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; display: block; z-index: 1; }  .solution-content { position: absolute; top: 0; left: 0; width: 100%; height: 100%; padding: 40px; color: #ffffff; background: rgba(0,0,0,0.5); z-index: 2; }  .solution-content h3 { font-size:2.3rem; margin-bottom: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }  .solution-content p { font-size: 1.1rem; line-height: 1.7; text-shadow: 0 1px 2px rgba(0,0,0,0.3); max-width: 90%; }   .hidden { display: none; }   @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }  .solution-item { animation: fadeIn 0.5s ease forwards; }  .solutions-learn-more{ width:10rem; height:3rem; border:1px solid white; border-radius:500px; text-align:center; line-height:3rem; margin-top:20px; display:inline-block; color:white; text-decoration:none; }  @media (max-width: 1024px) { .solution-image-container { min-height: 350px; }  .solution-content { padding: 30px; } }  @media (max-width: 768px) { #quantum-solutions-container { flex-direction: column; }  #quantum-solutions-main-title { font-size: 28px; }  #quantum-solutions-subtitle { font-size: 16px; }  .solution-image-container { min-height: 300px; }  .solution-content { padding: 25px; }  .solution-content h3 { font-size: 24px; margin-bottom: 15px; }  .solution-content p { font-size: 15px; max-width: 100%; } }  @media (max-width: 480px) { .solution-image-container { min-height: 350px; }  .solution-content { padding: 20px; } }    /*分割*/  .quantum-blogs { padding: 4rem 5%; background-color: #ffffff; margin: 0 auto; }  .quantum-blogs__header { text-align: center; margin-bottom: 3rem; padding: 0 1rem; }  .quantum-blogs__title { font-size: 2.5rem; color: #2d3748; margin-bottom: 0.75rem; font-weight: 700; position: relative; display: inline-block; }  .quantum-blogs__title:after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: linear-gradient(90deg, #4299e1, #63b3ed); border-radius: 3px; }  .quantum-blogs__subtitle { font-size: 1.1rem; color: #4a5568; max-width: 700px; margin: 1.5rem auto 0; line-height: 1.6; }  .quantum-blogs__container { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-top: 2rem; }  .quantum-blogs__column { flex: 1; min-width: 300px; padding: 2rem; background-color: #f9fafb; border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; overflow: hidden; }  .quantum-blogs__column:before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; }  .quantum-blogs__column--basics:before { background: linear-gradient(90deg, #4299e1, #63b3ed); }  .quantum-blogs__column--computing:before { background: linear-gradient(90deg, #38b2ac, #48bb78); }  .quantum-blogs__column:hover { transform: translateY(-5px); box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08); }  .quantum-blogs__column-title { font-size: 1.5rem; margin-bottom: 0.75rem; padding-bottom: 0.75rem; border-bottom: 1px solid #e2e8f0; font-weight: 600; }  .quantum-blogs__column--basics .quantum-blogs__column-title { color: #3182ce; }  .quantum-blogs__column--computing .quantum-blogs__column-title { color: #2c7a7b; }  .quantum-blogs__column-desc { color: #4a5568; font-size: 0.95rem; line-height: 1.5; margin-bottom: .75rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }  .quantum-blogs__list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 2rem; }  .quantum-blogs__item { display: flex; gap: 1.25rem; align-items: center; padding: 1rem; border-radius: 8px; background-color: #ffffff; transition: all 0.2s ease; border: 1px solid transparent; }  .quantum-blogs__item:hover { background-color: #f1f5f9; border-color: #e2e8f0; }  .quantum-blogs__image-container {  height: 120px; border-radius: 6px; overflow: hidden; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); }  .quantum-blogs__image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }  .quantum-blogs__item:hover .quantum-blogs__image { transform: scale(1.05); }  .quantum-blogs__content { flex: 1; }  .quantum-blogs__item-title { font-size: 1.1rem; color: #2d3748; margin-bottom: 0.5rem; line-height: 1.4; transition: color 0.2s ease; font-weight: 600; }  .quantum-blogs__column--basics .quantum-blogs__item:hover .quantum-blogs__item-title { color: #3182ce; }  .quantum-blogs__column--computing .quantum-blogs__item:hover .quantum-blogs__item-title { color: #2c7a7b; }  .quantum-blogs__date { font-size: 0.9rem; color: #718096; display: block; }  .quantum-blogs__more-btn { width: 100%; padding: 0.85rem 1rem; background-color: transparent; border: 1px solid; border-radius: 6px; font-weight: 500; font-size: 0.95rem; cursor: pointer; transition: all 0.2s ease; margin-top: 1rem; }  .quantum-blogs__column--basics .quantum-blogs__more-btn { color: #3182ce; border-color: #3182ce; }  .quantum-blogs__column--computing .quantum-blogs__more-btn { color: #2c7a7b; border-color: #2c7a7b; }  .quantum-blogs__more-btn:hover { color: white; }  .quantum-blogs__column--basics .quantum-blogs__more-btn:hover { background-color: #3182ce; }  .quantum-blogs__column--computing .quantum-blogs__more-btn:hover { background-color: #2c7a7b; }   @media (max-width: 768px) { .quantum-blogs { padding: 2.5rem 1rem; }  .quantum-blogs__title { font-size: 2rem; }  .quantum-blogs__container { flex-direction: column; gap: 1.5rem; }  .quantum-blogs__item { flex-direction: column; text-align: center; }  .quantum-blogs__image-container { flex: 0 0 180px; height: 180px; width: 100%; } }    .cta-section { padding: 120px 40px; background: linear-gradient(135deg, #0062ff 0%, #054ada 100%); color: var(--ibm-white); text-align: center; position: relative; overflow: hidden; }  .refrigerator-foot-container:before { content: ''; position: absolute; top: -50%; right: -50%; width: 100%; height: 200%; opacity: 0.5; animation: backgroundMove 30s linear infinite; }  @keyframes backgroundMove { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }  .refrigerator-foot-container h2 { color: var(--ibm-white); margin-bottom: 1.5rem; -webkit-text-fill-color: white; background: none; font-size:2.5rem; }  .refrigerator-foot-container h2:after { background: var(--ibm-light-blue); }  .refrigerator-foot-container p { font-size: 1.3rem; max-width: 700px; margin: 0 auto 2.5rem; color: #a6c8ff; }  .cta-buttons { display: flex; justify-content: center; gap: 20px; }  .btn-light { background-color: white; color: #0062ff; border: 2px solid white; }  .btn-light:hover { color: var(--ibm-white); box-shadow: 0 6px 18px rgba(255, 255, 255, 0.25); transform: translateY(-2px); }     .refrigerator-foot-container { position: relative; overflow: hidden; padding: 6rem 2rem; background: #0062ff ; text-align: center; }  .refrigerator-foot-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }  .refrigerator-foot-heading { font-size: 2.6rem; color: #ffffff; margin-bottom: 2.5rem; line-height: 1.8; font-weight: 600; letter-spacing: -0.02em; transition: transform 0.5s ease; margin-top:1rem !important; }    .refrigerator-foot-button { background: #ffffff; color: #1565c0; border: none; padding: 1.2rem 3rem; font-size: 1.1rem; font-weight: 600; border-radius: 50px; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2); text-transform: uppercase; letter-spacing: 0.05em; text-decoration:none; display:inline-block; }  .refrigerator-foot-button:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3); }  .refrigerator-foot-button:active { transform: translateY(1px); }  .refrigerator-foot-spot { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, 0.1); z-index: 1; animation: rotate 20s linear infinite; }  .spot-1 { width: 200px; height: 200px; top: 10%; left: 5%; animation-duration: 30s; }  .spot-2 { width: 150px; height: 150px; bottom: 15%; right: 10%; animation-duration: 25s; animation-direction: reverse; }  .spot-3 { width: 100px; height: 100px; top: 40%; right: 20%; animation-duration: 20s; }  .spot-4 { width: 120px; height: 120px; bottom: 30%; left: 15%; animation-duration: 35s; animation-direction: reverse; }  .refrigerator-foot-glow { position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1; animation: pulse 15s ease-in-out infinite; }  @keyframes rotate { from { transform: rotate(0deg) translate(10px) rotate(0deg); } to { transform: rotate(360deg) translate(10px) rotate(-360deg); } }  @keyframes pulse { 0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; } 50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; } 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; } }  @media (max-width: 768px) { .refrigerator-foot-heading { font-size: 1.8rem; }  .refrigerator-foot-button { padding: 1rem 2.5rem; font-size: 1rem; }  .refrigerator-foot-container { padding: 4rem 1.5rem; }  .refrigerator-foot-spot { transform: scale(0.8); } }  @media (max-width: 480px) { .refrigerator-foot-heading { font-size: 1.5rem; }  .refrigerator-foot-button { padding: 0.9rem 2rem; font-size: 0.95rem; width: 100%; }  .refrigerator-foot-spot { transform: scale(0.6); } }   .white-herf{ color:white; text-decoration:none; }  a{ text-decoration:none; }  .quantum-blogs__more-btn a{ color:#3182ce; }  .quantum-blogs__more-btn a:hover{ color:#fff; }