:root{--bg: #08060f;--surface: #14101f;--text: #f4f1fa;--text-dim: rgba(244, 241, 250, .55);--pink: #ff2e92;--violet: #7b4dff;--cyan: #00e5ff;--gold: #ffd12e;--font-display: "Noto Serif SC", "Songti SC", serif;--font-body: "Noto Sans SC", "PingFang SC", sans-serif;--font-mono: "IBM Plex Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:auto}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-weight:300;overflow-x:hidden;-webkit-font-smoothing:antialiased}#gl{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block}#app{position:relative;z-index:1}.mono{font-family:var(--font-mono);letter-spacing:.14em}::selection{background:var(--violet);color:#fff}.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:18px clamp(20px,4vw,56px);background:linear-gradient(to 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clamp(20px,4vw,56px);font-size:11px;color:var(--text-dim)}@media(max-width:900px){.studio-grid{grid-template-columns:1fr}.mani-line{white-space:normal}.nav-links a{margin-left:16px;font-size:13px}.footer{flex-direction:column;gap:6px;align-items:center;text-align:center}}@media(max-width:640px){.nav{padding:14px 16px}.nav-logo em,.nav-links{display:none}.nav-auth-btn{padding:7px 14px;font-size:13px}.plan-card.recommended{transform:none}#toast-root{right:12px;left:12px;align-items:flex-end}#player-bar{gap:8px;padding:8px 12px;bottom:10px}.pb-info{flex-basis:90px}.pb-wave,.pb-vol,.pb-cover{display:none}.lib-actions{flex-wrap:wrap}.pv-grid{grid-template-columns:1fr}.pv-panel{inset:2vh 3vw}.mv-extras,.engine-grid{grid-template-columns:1fr}.guide-model-row{grid-template-columns:1fr;gap:4px}.period-toggle{display:flex;margin:10px 0 0}.hero-title{font-size:clamp(44px,13vw,64px)}.hero-sub 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