:root{color-scheme:dark;--ink: #eef6f8;--ink-dim: rgba(238, 246, 248, .62);--ink-faint: rgba(238, 246, 248, .34);--accent: #5fe0c8;--accent-deep: #2b8fa8;--font-sans: "Inter", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:rgba(238,246,248,.24) transparent}@media(pointer:coarse){html{scroll-snap-type:y mandatory}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#eef6f838;border-radius:5px}body{margin:0;min-height:100%;background:#041018;color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}body[data-render-state=loading] .story,body[data-render-state=loading] .site-header,body[data-render-state=loading] .depth-readout{opacity:0}body[data-render-state=ready] .story,body[data-render-state=ready] .site-header,body[data-render-state=ready] .depth-readout{opacity:1;transition:opacity .9s ease}.loading-screen{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;background:radial-gradient(circle at 50% 35%,#0a3242,#020a12 72%);transition:opacity .7s ease,visibility .7s ease}body[data-render-state=ready] .loading-screen,body[data-render-state=error] .loading-screen{opacity:0;visibility:hidden}.loader-ring{width:46px;height:46px;border:2px solid rgba(255,255,255,.14);border-top-color:var(--accent);border-radius:50%;animation:spin 1.1s linear infinite}.loader-text{font-size:.82rem;letter-spacing:.22em;color:var(--ink-dim);text-transform:uppercase}@keyframes spin{to{transform:rotate(360deg)}}.scene-canvas{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;touch-action:pan-y;cursor:grab}.scene-canvas[data-dragging=true]{cursor:grabbing}.scene-vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at 50% 42%,transparent 36%,rgba(1,6,12,.62) 100%),linear-gradient(to bottom,rgba(1,6,12,.45) 0%,transparent 24%),linear-gradient(to top,rgba(1,6,12,.55) 0%,transparent 26%)}.site-header{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:clamp(1rem,2.6vw,1.9rem) clamp(1.1rem,4vw,3rem);pointer-events:none}.brand{pointer-events:auto;display:flex;flex-direction:column;gap:.15rem;text-decoration:none;color:var(--ink)}.brand b{font-size:.86rem;font-weight:650;letter-spacing:.16em;text-shadow:0 2px 14px rgba(0,0,0,.8)}.brand small{font-size:.66rem;letter-spacing:.32em;color:var(--ink-faint)}.render-status{margin:0;display:flex;align-items:center;gap:.45rem;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;color:var(--ink-dim);text-shadow:0 2px 12px rgba(0,0,0,.8)}.render-status i{width:6px;height:6px;border-radius:50%;background:#5fe0c8;box-shadow:0 0 10px #5fe0c8e6;animation:pulse 2.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.depth-readout{position:fixed;right:clamp(1.1rem,4vw,3rem);bottom:clamp(1.1rem,3vw,2.2rem);z-index:20;margin:0;display:flex;align-items:baseline;gap:.35rem;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;color:var(--ink-faint);text-shadow:0 2px 12px rgba(0,0,0,.85)}.depth-readout b{font-size:1.35rem;font-weight:500;letter-spacing:.04em;color:var(--ink)}.story{position:relative;z-index:10}.story-panel{min-height:100vh;min-height:100svh;scroll-snap-align:start;display:flex;align-items:center;padding:clamp(5rem,12vh,8rem) clamp(1.1rem,5vw,4rem)}.panel-body{width:100%;max-width:42rem;padding:clamp(1.5rem,3.4vw,2.6rem);background:linear-gradient(90deg,#020a1099,#020a1052 55%,#020a1000);opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,1,.36,1)}.story-panel[data-active] .panel-body{opacity:1;transform:none}.hero .panel-body{background:none;padding-left:0;padding-right:0}.eyebrow{margin:0 0 1.1rem;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent)}.hero .eyebrow{text-shadow:0 2px 16px rgba(0,0,0,.8)}.hero-title-en{margin:0 0 1.2rem;font-size:clamp(2.1rem,6.4vw,4.4rem);font-weight:700;line-height:1.05;letter-spacing:-.02em;text-shadow:0 6px 40px rgba(0,0,0,.8)}.hero-subtitle{margin:0;max-width:34rem;font-size:clamp(.95rem,1.9vw,1.14rem);line-height:1.75;color:var(--ink-dim);text-shadow:0 2px 20px rgba(0,0,0,.85)}.story-panel h2{margin:0 0 1.6rem;font-size:clamp(1.4rem,3.4vw,2.1rem);font-weight:620;letter-spacing:.01em;line-height:1.3;text-shadow:0 2px 24px rgba(0,0,0,.65)}.panel-copy{margin:0 0 1.8rem;max-width:32rem;font-size:1rem;line-height:1.8;color:var(--ink-dim)}.scroll-cue{margin-top:2.6rem;display:flex;align-items:center;gap:.8rem;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;color:var(--ink-faint)}.scroll-cue i{display:block;width:54px;height:1px;background:linear-gradient(to right,var(--accent),transparent);animation:slide 2.6s ease-in-out infinite}@keyframes slide{0%,to{transform:translate(0);opacity:.5}50%{transform:translate(14px);opacity:1}}.zone-stats{margin:0;max-width:30rem;display:grid;gap:0}.zone-stat-row{display:grid;grid-template-columns:5.5rem 1fr;gap:1.15rem;align-items:baseline;padding:.72rem 0;border-bottom:1px solid rgba(255,255,255,.08)}.zone-stat-row:last-child{border-bottom:none}.zone-stats dt{margin:0;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;color:var(--accent)}.zone-stats dd{margin:0;font-size:.9rem;line-height:1.6;color:var(--ink-dim);text-shadow:0 1px 12px rgba(0,0,0,.55)}.panel-footer{margin-top:2.6rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;color:var(--ink-faint)}.noscript-message{position:fixed;inset:0;z-index:50;display:grid;place-items:center;margin:0;padding:2rem;text-align:center;background:#041018;color:var(--ink-dim);font-size:.95rem}@media(max-width:640px){.story-panel{align-items:flex-end;padding-bottom:clamp(3.5rem,10vh,6rem)}.depth-readout{bottom:auto;top:clamp(4.2rem,12vw,5.4rem)}.zone-stat-row{grid-template-columns:4.6rem 1fr;gap:.9rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;scroll-snap-type:none}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}