.qpanda-container { margin: 0 auto; padding: 0 12%; }  h1, h2, h3 { font-weight: 700; margin-bottom: 1rem; color: #2563eb; }  h1 { font-size: 3.15rem; line-height: 1.5; }  h2 { font-size: 2.4rem; text-align: center; margin: 4rem 0; position: relative; display: inline-block; left: 50%; transform: translateX(-50%); }  h2:after { content: ''; position: absolute; bottom: -8px; left: 10%; width: 80%; height: 3px; background-color: #4299e1; border-radius: 2px; }  h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }  p { margin-bottom: 1rem; font-size: 1.1rem; }  a { text-decoration: none; }  section { padding: 3rem 0; position: relative; padding-top:0; }  .qpanda-banner { background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%); overflow: hidden; padding:7rem 0; }  .qpanda-banner-content { display: flex; flex-direction: column; align-items: center; }  .qpanda-banner-text { text-align: center; margin-bottom: 2rem; max-width:900px; }  .qpanda-banner-image { width: 100%; max-width: 500px; height: 300px; background-color: #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(66, 153, 225, 0.1); position: relative; overflow: hidden; }  .qpanda-button { display: inline-block; background-color: #2563eb; color: white; font-weight: 600; padding: 1.2rem 2rem; border-radius: 8px; transition: all 0.3s ease; margin-top: 1rem; border: none; cursor: pointer; font-size: 1rem; }  .qpanda-button:hover { background-color: #2c5282; transform: translateY(-3px); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1); }  .qpanda-intro { background-color: #fff; padding: 5rem 0; padding-top:0; }  .qpanda-intro-content { display: flex; flex-direction: column; gap: 2rem; }  .qpanda-intro-card { background-color: #f0f7ff; border-radius: 12px; padding: 2rem; box-shadow: 0 4px 20px rgba(66, 153, 225, 0.1); position: relative; overflow: hidden; }  .qpanda-intro-visual { display: flex; justify-content: center; margin: 2rem 0; }  .qpanda-code-snippet { background-color: #f8fafc; border-radius: 8px; padding: 1.5rem; font-family: 'Courier New', monospace; font-size: 0.9rem; color: #334155; line-height: 1.5; position: relative; overflow: hidden; border-left: 4px solid #4299e1; }  .qpanda-code-snippet:before { content: 'Sample Code'; position: absolute; top: 0; right: 0; background-color: #4299e1; color: white; padding: 0.2rem 0.8rem; font-size: 0.8rem; font-family: 'Segoe UI', sans-serif; }  .qpanda-highlight { color: #2563eb; font-weight: bold; }  .qpanda-intro-stats { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 1.5rem; margin: 2rem 0; }  .qpanda-stat-item { background-color: white; border-radius: 8px; padding: 1.5rem; text-align: center; flex: 1; min-width: 150px; box-shadow: 0 4px 12px rgba(66, 153, 225, 0.08); transition: transform 0.3s ease; }  .qpanda-stat-item:hover { transform: scale(1.05); }  .qpanda-stat-number { font-size: 2rem; font-weight: bold; color: #4299e1; margin-bottom: 0.5rem; }  .qpanda-stat-label { color: #64748b; font-size: 0.9rem; }  .qpanda-features { background: linear-gradient(135deg, #faf5ff 0%, #f5f3ff 100%); }  .qpanda-features-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }  .qpanda-feature-card { background-color: #fff; border-radius: 12px; padding: 1.5rem; box-shadow: 0 4px 20px rgba(124, 58, 237, 0.08); transition: all 0.3s ease; }  .qpanda-feature-card:hover { transform: translateY(-5px); }  .qpanda-feature-icon { width: 50px; height: 50px; background-color: #e6f0ff; border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 1.5rem; color: #4299e1; }  .qpanda-version-features { background-color: #fff; padding-bottom:3rem; }  .qpanda-version-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }  .qpanda-version-card { background-color: #f0f7ff; border-radius: 12px; padding: 2rem; box-shadow: 0 4px 20px rgba(66, 153, 225, 0.1); transition: all 0.3s ease; }  .qpanda-version-card:hover { transform: translateY(-5px); box-shadow: 0 6px 24px rgba(66, 153, 225, 0.15); }  .qpanda-cta { background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%); text-align: center; }  .qpanda-cta-content { max-width: 700px; margin: 0 auto; }  .qpanda-decor { position: absolute; border-radius: 50%; filter: blur(50px); opacity: 0.9; }  .qpanda-decor-blue { background-color: #7c3aed; opacity:0.7; }  .qpanda-decor-purple { background-color: #7c3aed; opacity:0.2; }  .qpanda-decor-green { background-color: #42b76f; }  .qpanda-bg-grid { background-size: 40px 40px; background-image: linear-gradient(to right, rgba(66, 153, 225, 0.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(66, 153, 225, 0.05) 1px, transparent 1px); }  @keyframes qpanda-float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }  @keyframes qpanda-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }  @keyframes qpanda-wave { 0% { transform: translateX(0); } 50% { transform: translateX(10px); } 100% { transform: translateX(0); } }  @keyframes qpanda-type { from { width: 0; } to { width: 100%; } }  .qpanda-animate-float { animation: qpanda-float 6s ease-in-out infinite; }  .qpanda-animate-pulse { animation: qpanda-pulse 4s ease-in-out infinite; }  .qpanda-animate-wave { animation: qpanda-wave 3s ease-in-out infinite; }  .qpanda-typewriter { overflow: hidden; border-right: 0.15em solid #4299e1; white-space: nowrap; margin: 0 auto; animation: qpanda-type 3.5s steps(40, end), blink-caret 0.75s step-end infinite; }  @keyframes blink-caret { from, to { border-color: transparent } 50% { border-color: #4299e1; } }  .qpanda-quantum-circuit { width: 100%; height: 100%; position: relative; overflow: hidden; }  .qpanda-circuit-line { position: absolute; width: 80%; height: 2px; background-color: #e6f0ff; left: 10%; }  .qpanda-circuit-gate { position: absolute; width: 30px; height: 30px; background-color: rgba(66, 153, 225, 0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: bold; }  .qpanda-qubit-visual { display: flex; justify-content: center; gap: 1rem; margin: 2rem 0; }  .qpanda-qubit { width: 20px; height: 60px; background-color: #4299e1; border-radius: 3px; position: relative; animation: qpanda-pulse 2s infinite; }  .qpanda-qubit:before { content: ''; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); width: 10px; height: 10px; background-color: #4299e1; border-radius: 50%; }  .qpanda-qubit:after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 10px; height: 10px; background-color: #4299e1; border-radius: 50%; }  .qpanda-qubit:nth-child(2) { animation-delay: 0.3s; height: 80px; background-color: #3b82f6; }  .qpanda-qubit:nth-child(3) { animation-delay: 0.6s; height: 40px; background-color: #60a5fa; }  .qpanda-qubit:nth-child(4) { animation-delay: 0.9s; height: 70px; background-color: #93c5fd; }   @media (max-width: 768px) { h1 { font-size: 2.3rem;  }  h2 { font-size: 1.9rem;  }  .qpanda-banner { padding:3rem 0; }  .qpanda-container { padding: 0 5%; }  }   @media (min-width: 768px) {   .qpanda-banner-content { flex-direction: row; justify-content: space-between; align-items: center; }  .qpanda-banner-text { text-align: left; margin-bottom: 0; flex: 1; padding-right: 2rem; }  .qpanda-banner-image { flex: 1; }  .qpanda-features-grid { grid-template-columns: repeat(2, 1fr); }  .qpanda-version-grid { grid-template-columns: repeat(2, 1fr); }  .qpanda-intro-content { flex-direction: row; }  .qpanda-intro-card { flex: 1; } }  @media (min-width: 1024px) { .qpanda-features-grid { grid-template-columns: repeat(3, 1fr); }   }     .refrigerator-foot-container { position: relative; overflow: hidden; padding: 6rem 2rem; background: #0062ff ; text-align: center; margin-top: 4rem; }  .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); } }