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100%);border:none;border-radius:14px;justify-content:center;align-items:center;gap:10px;min-width:220px;padding:16px 40px;font-size:17px;font-weight:700;transition:all .3s;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 8px 24px #4facfe66,inset 0 1px #fff3}.aip-button:before{content:"";background:linear-gradient(135deg,#0000 0%,#fff3 50%,#0000 100%);transition:transform .6s;position:absolute;inset:0;transform:translate(-100%)}.aip-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 32px #4facfe80,inset 0 1px #ffffff4d}.aip-button:hover:not(:disabled):before{transform:translate(100%)}.aip-button:active:not(:disabled){transform:translateY(0)}.aip-button:disabled{opacity:.8;cursor:not-allowed}.aip-btn-icon{font-size:20px}.aip-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.aip-benefits{border-top:1px solid #ffffff1a;flex-wrap:wrap;justify-content:center;gap:20px;width:100%;padding-top:16px;display:flex}.aip-benefit{color:#8b95a7;align-items:center;gap:8px;font-size:13px;display:flex}.aip-benefit span:first-child{font-size:16px}@media (width<=480px){.android-install-prompt{border-radius:16px;margin:0 12px 32px;padding:24px 20px}.aip-icon-wrapper{width:64px;height:64px}.aip-icon{font-size:38px}.aip-title{font-size:19px}.aip-description{font-size:14px}.aip-button{width:100%;padding:14px 32px;font-size:16px}.aip-benefits{gap:12px}.aip-benefit{font-size:12px}}.install-guide-container{background:linear-gradient(135deg,#0f0f0f 0%,#1a1a1a 100%);min-height:100vh;padding:40px 20px}.install-guide-content{color:#fff;max-width:800px;margin:0 auto}.install-guide-content h1{text-align:center;background:linear-gradient(135deg,#e69139,#f2fe00);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:24px;font-size:36px;line-height:1.3}.intro{color:#ccc;text-align:center;margin-top:0;margin-bottom:40px;font-size:18px;line-height:1.6}.platform-tabs{flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:40px;display:flex}.platform-tab{color:#fff;background:#fea14f1a;border:2px solid #fea14f4d;border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-weight:500;text-decoration:none;transition:all .3s;display:flex}.platform-tab:hover{background:#fea14f33;border-color:#e69139;transform:translateY(-2px)}.platform-icon{font-size:24px}.platform-section{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;margin-bottom:60px;padding:30px}.platform-section h2{color:#e69139;align-items:center;gap:12px;margin-bottom:30px;font-size:28px;display:flex}.step{background:#0000004d;border-left:4px solid #e69139;border-radius:12px;gap:20px;margin-bottom:30px;padding:20px;display:flex}.step.success{background:#fea14f1a;border-left-color:#f2fe00}.step-number{color:#fff;background:linear-gradient(135deg,#e69139,#f2fe00);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;font-weight:700;display:flex}.step.success .step-number{background:linear-gradient(135deg,#f2fe00,#e69139)}.step-content{flex:1}.step-content h3{color:#fff;margin-bottom:8px;font-size:20px}.step-content p{color:#ccc;margin-bottom:16px;font-size:16px;line-height:1.6}.step-content strong{color:#e69139}.step-image{text-align:center;margin-top:16px}.step-image img{border:2px solid #fea14f4d;border-radius:8px;max-width:100%;height:auto;box-shadow:0 4px 12px #0000004d}.image-caption{color:#888;margin-top:8px;font-size:14px;font-style:italic}.benefits-section{background:#fea14f1a;border:1px solid #fea14f33;border-radius:16px;margin-top:60px;padding:30px}.benefits-section h2{text-align:center;color:#e69139;margin-bottom:30px;font-size:28px}.benefits-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;display:grid}.benefit-card{text-align:center;background:#0000004d;border:1px solid #ffffff1a;border-radius:12px;padding:24px;transition:all .3s}.benefit-card:hover{border-color:#e69139;transform:translateY(-4px)}.benefit-icon{margin-bottom:12px;font-size:48px}.benefit-card h3{color:#fff;margin-bottom:8px;font-size:18px}.benefit-card p{color:#ccc;font-size:14px;line-height:1.5}.back-button-container{text-align:center;margin-top:60px}.back-button{color:#fff;background:linear-gradient(135deg,#e69139,#f2fe00);border-radius:12px;padding:14px 32px;font-size:16px;font-weight:500;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 4px 12px #fea14f4d}.back-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #fea14f66}@media (width<=768px){.install-guide-container{padding:20px 16px}.install-guide-content h1{font-size:28px}.intro{font-size:16px}.platform-section{padding:20px}.platform-section h2{font-size:24px}.step{flex-direction:column;gap:12px}.step-number{align-self:flex-start}.benefits-grid{grid-template-columns:1fr}}