:root{--neon: #ccff00;--neon-dim: rgba(204, 255, 0, .6);--neon-border: rgba(204, 255, 0, .28);--neon-glow: rgba(204, 255, 0, .35);--neon-soft: rgba(204, 255, 0, .08);--cyan: #22d3ee;--cyan-dim: rgba(34, 211, 238, .5);--cyan-soft: rgba(34, 211, 238, .1);--macro-protein: #22d3ee;--macro-carb: #ccff00;--macro-fat: #f87171;--macro-veg: #34d399;--bg-void: #050506;--bg-base: #08080a;--bg-panel-top: #0e0e12;--bg-panel-bot: #08080a;--bg-glass: rgba(255, 255, 255, .03);--bg-glass-hover: rgba(255, 255, 255, .06);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #7c8a9e;--text-on-neon: #0a0a0a;--border-faint: rgba(255, 255, 255, .06);--border-soft: rgba(255, 255, 255, .12);--border-neon: var(--neon-border);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--shadow-neon: 0 20px 80px rgba(204, 255, 0, .1);--shadow-panel: 0 20px 100px rgba(204, 255, 0, .08), inset 0 1px 0 rgba(255, 255, 255, .04);--shadow-card: 0 8px 32px rgba(0, 0, 0, .4);--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-pill: 9999px;--container-max: 480px;--container-pad: 20px;--section-gap: 56px;--ease: cubic-bezier(.22, 1, .36, 1);--dur: .22s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;background-image:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(204,255,0,.08),transparent 60%),radial-gradient(ellipse 60% 40% at 100% 30%,rgba(34,211,238,.05),transparent 60%),linear-gradient(180deg,#0e0e12,#08080a);background-attachment:fixed;min-height:100vh}img{max-width:100%;display:block}a{color:var(--cyan);text-decoration:none;transition:color var(--dur) var(--ease)}a:hover{color:var(--neon)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select{font-family:inherit;font-size:16px;color:var(--text-primary)}::selection{background:var(--neon);color:var(--text-on-neon)}.pc-frame{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad);position:relative}main{position:relative;z-index:1}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:repeating-linear-gradient(0deg,transparent 0,transparent 4px,rgba(204,255,0,.012) 4px,rgba(204,255,0,.012) 5px)}.eyebrow{font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--neon);letter-spacing:.2em;text-shadow:0 0 8px var(--neon-glow);line-height:1;display:inline-flex;align-items:center;gap:6px}.eyebrow:before{content:"▎"}.glass{background:linear-gradient(180deg,var(--bg-panel-top),var(--bg-panel-bot));border:1px solid var(--border-faint);border-radius:var(--radius-lg);box-shadow:var(--shadow-panel);position:relative;overflow:hidden}.glass--neon-top:before{content:"";position:absolute;top:0;left:16%;right:16%;height:1px;background:linear-gradient(90deg,transparent,var(--neon) 50%,transparent);opacity:.6}.btn-neon{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 24px;border-radius:var(--radius);font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text-on-neon);background:linear-gradient(135deg,var(--neon),#a3e635);box-shadow:0 8px 28px #ccff004d,inset 0 1px #fff6;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.btn-neon:hover{transform:translateY(-2px);box-shadow:0 12px 36px #ccff006b,inset 0 1px #ffffff80}.btn-neon:active{transform:translateY(0)}.btn-neon:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;color:var(--text-secondary);background:var(--bg-glass);border:1px solid var(--border-soft);transition:all var(--dur) var(--ease)}.btn-ghost:hover{color:var(--neon);border-color:var(--neon-border);background:var(--neon-soft)}.section-title{font-size:22px;font-weight:800;color:#fff;line-height:1.3;letter-spacing:-.01em}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.section{padding:48px 0;position:relative}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.lp-toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);z-index:200;max-width:calc(100vw - 40px);padding:12px 18px;border-radius:var(--radius-pill);background:#0e0e12f2;border:1px solid var(--neon-border);box-shadow:var(--shadow-neon);color:var(--neon);font-size:13px;font-weight:600;text-align:center;opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}.lp-toast.show{opacity:1;transform:translate(-50%)}