:root{--content-width:540px;--glass-bg:#ffffff4d;--glass-border:#ffffff73;--glass-shadow:0 8px 32px #0000000f, 0 1px 2px #0000000a;--accent:#7c3aed;--accent-light:#8b5cf6;--text-primary:#1a1a2e;--text-secondary:#555;color:var(--text-primary);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;font-weight:400;line-height:1.5}body{background-color:#f0f2f8;background-image:radial-gradient(at 20% 20%,#c4b5fd4d 0%,#0000 50%),radial-gradient(at 80% 10%,#93c5fd40 0%,#0000 50%),radial-gradient(at 60% 80%,#fdbad833 0%,#0000 50%),radial-gradient(at 10% 70%,#a7f3d026 0%,#0000 50%);background-position:0 0;background-repeat:repeat;background-size:auto;background-attachment:fixed;background-origin:padding-box;background-clip:border-box;min-width:320px;min-height:100vh;margin:0}.cat-area{color:#4b3f72;grid-template-rows:repeat(3,80px);grid-template-columns:repeat(3,80px);display:grid}.cat{position:relative}.cat-tail{background-color:currentColor;border-radius:8px 8px 0;width:14px;height:60%;margin-right:1px;position:absolute;bottom:0;right:100%}.cat-tail:before{content:"";background-color:currentColor;border-radius:8px 16px 8px 100%;width:24px;height:16px;position:absolute;top:0;right:0}.cat-tail:after{content:"";background-color:currentColor;width:3px;height:16px;position:absolute;bottom:0;left:100%}.cat-ears{grid-template-rows:1fr;grid-template-columns:50% 40% 50%;width:100%;margin:0;padding:0;list-style:none;display:grid;position:absolute;left:0;overflow:hidden;transform:translateY(-50%)}.cat-ears>li{box-sizing:content-box;justify-content:space-between;align-items:center;height:24px;padding-top:8px;display:flex}.cat-ears>li:nth-child(2):before,.cat-ears>li:nth-child(2):after{content:"";transform-origin:50%;background-color:currentColor;border-radius:3px;width:18px;height:18px;transform:rotate(45deg)}.cat-head{box-sizing:border-box;z-index:9;background-color:currentColor;border:2px solid;border-radius:16px 16px 16px 0;grid-template-rows:repeat(5,33.3333%);grid-template-columns:repeat(5,33.3333%);width:100%;height:100%;margin:0;padding:0;list-style:none;display:grid;position:relative;overflow:hidden}.cat-head li{justify-content:space-around;align-items:center;display:flex}.cat-head li:nth-child(13):before,.cat-head li:nth-child(13):after{content:"";background-color:currentColor;border-radius:50%;width:25%;height:25%;box-shadow:0 0 0 2px #fee440}.position{cursor:pointer;z-index:9;background-color:#0000;border:0;margin:0;padding:0;transition:opacity .1s ease-out}.position:hover{background:#8b5cf614;border-radius:8px}.gh-link{z-index:100;-webkit-backdrop-filter:blur(12px);background:#ffffff59;border:1px solid #ffffff80;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;text-decoration:none;transition:background .2s,box-shadow .2s,transform .2s;display:flex;position:fixed;top:12px;right:12px;box-shadow:0 2px 12px #0000000f}.gh-link:hover{background:#ffffff8c;transform:scale(1.05);box-shadow:0 4px 20px #0000001a}.gh-link:before{content:"";opacity:.7;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-repeat:no-repeat;background-size:contain;width:22px;height:22px;transition:opacity .2s}.gh-link:hover:before{opacity:1}.browser-titlebar{border-bottom:1px solid var(--glass-border);background:#ffffff59;align-items:center;gap:12px;padding:10px 14px;display:flex}.browser-dots{flex-shrink:0;gap:6px;display:flex}.browser-dots-spacer{flex-shrink:0;width:48px}.dot{border-radius:50%;width:11px;height:11px}.dot-close{background:#ff6059}.dot-minimize{background:#ffbd2e}.dot-maximize{background:#28c840}.browser-address{background:#fff6;border:1px solid #ffffff73;border-radius:6px;flex:1;justify-content:center;align-items:center;padding:4px 12px;display:flex}.browser-url{color:#666;letter-spacing:.02em;-webkit-user-select:none;user-select:none;font-size:12px}@media (width<=480px){.browser-dots-spacer{display:none}}.target-card{color:#fff;-webkit-user-select:none;user-select:none;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:80px;height:80px;transition:transform .2s;display:flex;box-shadow:0 4px 24px #6366f159,inset 0 0 0 1px #ffffff26}.target-card:hover{transform:scale(1.05)}.target-card .target-icon{font-size:22px;line-height:1}.target-card .target-label{letter-spacing:.08em;text-transform:uppercase;opacity:.85;font-size:11px;font-weight:600}@media (width<=480px){.target-card{width:64px;height:64px}.target-card .target-icon{font-size:18px}.target-card .target-label{font-size:10px}}.target-ghost{color:#fff;filter:blur(6px);opacity:0;pointer-events:none;z-index:0;-webkit-user-select:none;user-select:none;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:6px;transition:opacity .25s;display:flex;position:absolute;box-shadow:0 4px 24px #6366f140}.target-ghost .target-icon{font-size:22px;line-height:1}.target-ghost .target-label{letter-spacing:.08em;text-transform:uppercase;opacity:.85;font-size:11px;font-weight:600}.control-group{align-items:center;gap:10px;display:flex}.control-label{color:#555;text-align:right;min-width:16px;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:13px;font-weight:600}.control-buttons{flex-wrap:wrap;gap:6px;display:flex}.control-btn{border:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);color:#444;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:8px;padding:6px 14px;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:13px;font-weight:500;transition:background .2s,color .2s,border-color .2s,box-shadow .2s}.control-btn:hover{background:#fff9;border-color:#8b5cf64d}.control-btn.active{color:#fff;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-color:#0000;box-shadow:0 2px 12px #6366f14d}@media (width<=480px){.control-btn{padding:5px 10px;font-size:12px}}.controls{z-index:2;flex-direction:column;gap:12px;width:100%;max-width:540px;display:flex;position:relative}.control-actions{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.action-btn{border:1px solid var(--glass-border);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:10px;padding:8px 20px;font-size:13px;font-weight:600;transition:background .2s,color .2s,box-shadow .2s,opacity .2s}.action-btn:disabled{opacity:.5;cursor:not-allowed}.action-scroll{color:#fff;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-color:#0000;box-shadow:0 2px 12px #6366f140}.action-scroll:hover:not(:disabled){box-shadow:0 4px 20px #6366f166}.action-reset{background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);color:#555}.action-reset:hover{background:#fff9}@media (width<=480px){.action-btn{text-align:center;flex:1;padding:7px 14px;font-size:12px}}.browser-demo{width:100%;max-width:var(--content-width);flex-direction:column;align-items:center;gap:24px;display:flex;position:relative}.browser-window{width:clamp(280px, 85vw, var(--content-width));background:var(--glass-bg);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);z-index:1;border-radius:14px;position:relative;overflow:hidden}.browser-viewport{scrollbar-width:thin;scrollbar-color:#00000026 transparent;background:linear-gradient(135deg,#ffffff1a 0%,#f0f3ff26 100%);height:clamp(220px,45vw,340px);position:relative;overflow:auto}.browser-viewport::-webkit-scrollbar{width:6px;height:6px}.browser-viewport::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}.browser-viewport::-webkit-scrollbar-track{background:0 0}.scroll-content{background-image:radial-gradient(circle,#8b5cf60f 0%,#0000 70%),linear-gradient(#00000008 1px,#0000 1px),linear-gradient(90deg,#00000008 1px,#0000 1px);background-size:100% 100%,24px 24px,24px 24px;place-items:center;width:300%;height:300%;display:grid}@media (width<=480px){.browser-demo{gap:16px}}.code-section{width:100%;max-width:var(--content-width)}.code-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:14px;overflow:hidden}.code-card-header{color:var(--text-secondary);border-bottom:1px solid var(--glass-border);background:#ffffff40;padding:12px 16px;font-size:13px;font-weight:600}.code-card .sp-wrapper{border-radius:0!important}.code{height:540px}@media (width<=640px){.code{height:340px}}.app{flex-direction:column;align-items:center;gap:48px;max-width:660px;margin:0 auto;padding:48px 20px 64px;display:flex}.app-header{text-align:center;z-index:1;position:relative}.app-title{letter-spacing:-.02em;color:var(--text-primary);margin:0;font-size:clamp(28px,5vw,42px);font-weight:300}.app-title code{background:linear-gradient(135deg, var(--accent), #6366f1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-weight:400}.app-subtitle{color:var(--text-secondary);margin:8px 0 0;font-size:clamp(14px,2.5vw,16px);font-weight:400}.cat-section{opacity:0;pointer-events:none;justify-content:center;width:100%;transition:opacity .5s ease-out,transform .5s ease-out;display:flex;transform:translateY(24px)}.cat-section.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.cat-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:14px;flex-direction:column;align-items:center;gap:12px;padding:20px;display:flex}.cat-card-label{color:var(--text-secondary);font-size:13px;font-weight:600}@media (width<=640px){.app{gap:32px;padding:32px 16px 48px}}