*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f0f2f5;min-height:100vh}.app{min-height:100vh}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px 20px;text-align:center}.header h1{font-size:32px;margin-bottom:10px}.header p{opacity:.9;font-size:16px}.header-nav{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;flex-wrap:wrap}.header-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;color:#fff;text-decoration:none;font-size:14px;font-weight:500;background:#ffffff26;border:1px solid rgba(255,255,255,.2);transition:all .3s}.header-nav a:hover{background:#ffffff40;transform:translateY(-1px)}.header-nav a.active{background:#ffffff59;border-color:#ffffff80;box-shadow:0 2px 8px #00000026}.header-nav a.external:after{content:"";display:inline-block;width:12px;height:12px;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6M15 3h6v6M10 14 21 3' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6M15 3h6v6M10 14 21 3' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain}.container{max-width:1400px;margin:0 auto;padding:30px 20px}.demo-section{background:#fff;border-radius:12px;padding:24px;margin-bottom:20px;box-shadow:0 2px 8px #0000001a}.demo-section>h2{font-size:18px;margin-bottom:16px;color:#333;display:flex;align-items:center;gap:8px}.demo-section>h2:before{content:"";width:4px;height:20px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.controls{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.btn{padding:10px 20px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#f5f5f5;color:#666}.btn-secondary:hover{background:#e8e8e8}.input-area{width:100%;min-height:200px;padding:16px;border:2px solid #e8e8e8;border-radius:8px;font-family:Monaco,Menlo,monospace;font-size:13px;resize:vertical;transition:border-color .3s}.input-area:focus{outline:none;border-color:#667eea}.stream-status{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:#e6f7ff;color:#1890ff;border-radius:4px;font-size:12px;margin-left:10px}.stream-status.streaming:after{content:"";width:8px;height:8px;background:#1890ff;border-radius:50%;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:20px}.example-card{padding:16px;border:2px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all .3s}.example-card:hover{border-color:#667eea;transform:translateY(-2px)}.example-card h4{font-size:14px;color:#333;margin-bottom:4px}.example-card p{font-size:12px;color:#999}.main-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}@media (max-width: 900px){.main-layout{grid-template-columns:1fr}}.sidebar{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px #0000001a;max-height:calc(100vh - 40px);display:flex;flex-direction:column;position:sticky;top:20px;overflow:hidden}.sidebar-title{font-size:16px;margin-bottom:12px;color:#333;display:flex;align-items:center;gap:8px}.sidebar-title:before{content:"";width:4px;height:18px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.sidebar-list{flex:1;overflow-y:auto;margin:0 -8px;padding:0 8px}.sidebar-item{padding:12px;margin-bottom:8px;border:1px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;gap:4px}.sidebar-item:hover{border-color:#667eea;background:#f8f9ff}.sidebar-item.active{border-color:#667eea;background:#f0f3ff;box-shadow:0 0 0 1px #667eea}.sidebar-item-name{font-size:14px;font-weight:500;color:#333}.sidebar-item-desc{font-size:12px;color:#999;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.sidebar-hint{margin-top:12px;padding-top:12px;border-top:1px solid #e8e8e8;font-size:12px;color:#52c41a;line-height:1.5}.info-box{background:#f6ffed;border:1px solid #b7eb8f;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:13px;color:#52c41a}.info-box code{background:#0000000d;padding:2px 6px;border-radius:3px;font-family:monospace}