*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0b0d12;--fg: #f3f5f8;--accent: #6ee7ff;--accent2: #ff6ec7}body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}.screen{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}.hero h1{font-size:clamp(48px,12vw,140px);font-weight:800;letter-spacing:-.04em;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:clamp(16px,2.5vw,24px);opacity:.8}.hint{font-size:13px;opacity:.45;letter-spacing:.1em}.outro h2{font-size:clamp(32px,7vw,80px);font-weight:800}.outro p{opacity:.6;font-family:ui-monospace,monospace}.stage{height:100vh;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}.stage-inner{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.bar{position:absolute;top:0;left:0;width:100%;height:6px;transform-origin:left center;background:linear-gradient(90deg,var(--accent),var(--accent2))}.big{font-size:clamp(40px,10vw,120px);font-weight:800;letter-spacing:-.03em;position:absolute}.ball{position:absolute;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--accent),#2b6cb0);box-shadow:0 0 60px #6ee7ff99}.tag{position:absolute;bottom:14vh;font-size:clamp(14px,2.5vw,22px);padding:12px 22px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:#ffffff0a;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}