:root{--content-width: 540px;--glass-bg: rgba(255, 255, 255, .3);--glass-border: rgba(255, 255, 255, .45);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--accent: #7c3aed;--accent-light: #8b5cf6;--text-primary: #1a1a2e;--text-secondary: #555;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;font-weight:400;color:var(--text-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;background:#f0f2f8;background-image:radial-gradient(ellipse at 20% 20%,rgba(196,181,253,.3) 0%,transparent 50%),radial-gradient(ellipse at 80% 10%,rgba(147,197,253,.25) 0%,transparent 50%),radial-gradient(ellipse at 60% 80%,rgba(253,186,216,.2) 0%,transparent 50%),radial-gradient(ellipse at 10% 70%,rgba(167,243,208,.15) 0%,transparent 50%);background-attachment:fixed}.cat-area{display:grid;grid-template-columns:repeat(3,80px);grid-template-rows:repeat(3,80px);color:#4b3f72}.cat{position:relative}.cat-tail{position:absolute;bottom:0;right:100%;background-color:currentColor;width:14px;border-radius:8px 8px 0;height:60%;margin-right:1px}.cat-tail:before{content:"";position:absolute;top:0;right:0;background-color:currentColor;width:24px;border-radius:8px 16px 8px 100%;height:16px}.cat-tail:after{content:"";position:absolute;bottom:0;left:100%;background-color:currentColor;width:3px;height:16px}.cat-ears{display:grid;grid-template-columns:50% 40% 50%;grid-template-rows:1fr;padding:0;margin:0;list-style:none;position:absolute;overflow:hidden;left:0;width:100%;transform:translateY(-50%)}.cat-ears>li{display:flex;justify-content:space-between;align-items:center;box-sizing:content-box;height:24px;padding-top:8px}.cat-ears>li:nth-child(2):before,.cat-ears>li:nth-child(2):after{content:"";background-color:currentColor;width:18px;height:18px;transform:rotate(45deg);transform-origin:center;border-radius:3px}.cat-head{display:grid;grid-template-columns:repeat(5,33.3333%);grid-template-rows:repeat(5,33.3333%);padding:0;margin:0;list-style:none;box-sizing:border-box;overflow:hidden;border:2px solid currentColor;background-color:currentColor;border-radius:16px 16px 16px 0;width:100%;height:100%;z-index:9;position:relative}.cat-head li{display:flex;align-items:center;justify-content:space-around}.cat-head li:nth-child(13):before,.cat-head li:nth-child(13):after{content:"";width:25%;height:25%;border-radius:50%;background-color:currentColor;box-shadow:0 0 0 2px #fee440}.position{cursor:pointer;background-color:transparent;border:0;margin:0;padding:0;transition:opacity .1s ease-out;z-index:9}.position:hover{background:#8b5cf614;border-radius:8px}.gh-link{position:fixed;top:12px;right:12px;z-index:100;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:#ffffff59;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.5);box-shadow:0 2px 12px #0000000f;transition:background .2s,box-shadow .2s,transform .2s;text-decoration:none}.gh-link:hover{background:#ffffff8c;box-shadow:0 4px 20px #0000001a;transform:scale(1.05)}.gh-link:before{content:"";width:22px;height:22px;background-image:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='24'%20height='24'%20viewBox='0%200%2024%2024'%3e%3cpath%20d='M12%200c-6.626%200-12%205.373-12%2012%200%205.302%203.438%209.8%208.207%2011.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729%201.205.084%201.839%201.237%201.839%201.237%201.07%201.834%202.807%201.304%203.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931%200-1.311.469-2.381%201.236-3.221-.124-.303-.535-1.524.117-3.176%200%200%201.008-.322%203.301%201.23.957-.266%201.983-.399%203.003-.404%201.02.005%202.047.138%203.006.404%202.291-1.552%203.297-1.23%203.297-1.23.653%201.653.242%202.874.118%203.176.77.84%201.235%201.911%201.235%203.221%200%204.609-2.807%205.624-5.479%205.921.43.372.823%201.102.823%202.222v3.293c0%20.319.192.694.801.576%204.765-1.589%208.199-6.086%208.199-11.386%200-6.627-5.373-12-12-12z'/%3e%3c/svg%3e");background-size:contain;background-repeat:no-repeat;opacity:.7;transition:opacity .2s}.gh-link:hover:before{opacity:1}.browser-titlebar{display:flex;align-items:center;padding:10px 14px;background:#ffffff59;border-bottom:1px solid var(--glass-border);gap:12px}.browser-dots{display:flex;gap:6px;flex-shrink:0}.browser-dots-spacer{width:48px;flex-shrink:0}.dot{width:11px;height:11px;border-radius:50%}.dot-close{background:#ff6059}.dot-minimize{background:#ffbd2e}.dot-maximize{background:#28c840}.browser-address{flex:1;display:flex;align-items:center;justify-content:center;padding:4px 12px;background:#fff6;border-radius:6px;border:1px solid rgba(255,255,255,.45)}.browser-url{font-size:12px;color:#666;letter-spacing:.02em;-webkit-user-select:none;user-select:none}@media(max-width:480px){.browser-dots-spacer{display:none}}.target-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:80px;height:80px;border-radius:16px;background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;box-shadow:0 4px 24px #6366f159,0 0 0 1px #ffffff26 inset;-webkit-user-select:none;user-select:none;transition:transform .2s ease}.target-card:hover{transform:scale(1.05)}.target-card .target-icon{font-size:22px;line-height:1}.target-card .target-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;opacity:.85}@media(max-width:480px){.target-card{width:64px;height:64px}.target-card .target-icon{font-size:18px}.target-card .target-label{font-size:10px}}.target-ghost{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border-radius:16px;background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;box-shadow:0 4px 24px #6366f140;filter:blur(6px);opacity:0;pointer-events:none;z-index:0;transition:opacity .25s ease;-webkit-user-select:none;user-select:none}.target-ghost .target-icon{font-size:22px;line-height:1}.target-ghost .target-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;opacity:.85}.control-group{display:flex;align-items:center;gap:10px}.control-label{font-size:13px;font-weight:600;color:#555;min-width:16px;text-align:right;font-family:SF Mono,Fira Code,Cascadia Code,monospace}.control-buttons{display:flex;gap:6px;flex-wrap:wrap}.control-btn{padding:6px 14px;font-size:13px;font-weight:500;font-family:SF Mono,Fira Code,Cascadia Code,monospace;border:1px solid var(--glass-border);border-radius:8px;background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#444;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;-webkit-user-select:none;user-select:none}.control-btn:hover{background:#fff9;border-color:#8b5cf64d}.control-btn.active{background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;border-color:transparent;box-shadow:0 2px 12px #6366f14d}@media(max-width:480px){.control-btn{padding:5px 10px;font-size:12px}}.controls{display:flex;flex-direction:column;gap:12px;width:100%;max-width:540px;position:relative;z-index:2}.control-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.action-btn{padding:8px 20px;font-size:13px;font-weight:600;border-radius:10px;border:1px solid var(--glass-border);cursor:pointer;transition:background .2s,color .2s,box-shadow .2s,opacity .2s;-webkit-user-select:none;user-select:none}.action-btn:disabled{opacity:.5;cursor:not-allowed}.action-scroll{background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;border-color:transparent;box-shadow:0 2px 12px #6366f140}.action-scroll:hover:not(:disabled){box-shadow:0 4px 20px #6366f166}.action-reset{background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#555}.action-reset:hover{background:#fff9}@media(max-width:480px){.action-btn{padding:7px 14px;font-size:12px;flex:1;text-align:center}}.browser-demo{display:flex;flex-direction:column;align-items:center;gap:24px;width:100%;max-width:var(--content-width);position:relative}.browser-window{width:clamp(280px,85vw,var(--content-width));background:var(--glass-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);border-radius:14px;box-shadow:var(--glass-shadow);overflow:hidden;position:relative;z-index:1}.browser-viewport{height:clamp(220px,45vw,340px);overflow:auto;background:linear-gradient(135deg,#ffffff1a,#f0f3ff26);position:relative;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.15) transparent}.browser-viewport::-webkit-scrollbar{width:6px;height:6px}.browser-viewport::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}.browser-viewport::-webkit-scrollbar-track{background:transparent}.scroll-content{width:300%;height:300%;display:grid;place-items:center;background-image:radial-gradient(circle at 50% 50%,rgba(139,92,246,.06) 0%,transparent 70%),linear-gradient(rgba(0,0,0,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.03) 1px,transparent 1px);background-size:100% 100%,24px 24px,24px 24px}@media(max-width:480px){.browser-demo{gap:16px}}.code-section{width:100%;max-width:var(--content-width)}.code-card{background:var(--glass-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);border-radius:14px;box-shadow:var(--glass-shadow);overflow:hidden}.code-card-header{padding:12px 16px;font-size:13px;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--glass-border);background:#ffffff40}.code-card .sp-wrapper{border-radius:0!important}.code{height:540px}@media(max-width:640px){.code{height:340px}}.app{display:flex;flex-direction:column;align-items:center;padding:48px 20px 64px;gap:48px;max-width:660px;margin:0 auto}.app-header{text-align:center;position:relative;z-index:1}.app-title{margin:0;font-size:clamp(28px,5vw,42px);font-weight:300;letter-spacing:-.02em;color:var(--text-primary)}.app-title code{font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-weight:400;background:linear-gradient(135deg,var(--accent),#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-subtitle{margin:8px 0 0;font-size:clamp(14px,2.5vw,16px);color:var(--text-secondary);font-weight:400}.cat-section{width:100%;display:flex;justify-content:center;opacity:0;transform:translateY(24px);pointer-events:none;transition:opacity .5s ease-out,transform .5s ease-out}.cat-section.visible{opacity:1;transform:translateY(0);pointer-events:auto}.cat-card{background:var(--glass-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);border-radius:14px;box-shadow:var(--glass-shadow);padding:20px;display:flex;flex-direction:column;align-items:center;gap:12px}.cat-card-label{font-size:13px;font-weight:600;color:var(--text-secondary)}@media(max-width:640px){.app{padding:32px 16px 48px;gap:32px}}