:root{--bg: #0a0b10;--bg-deep: #06070b;--bg-elev: #11131c;--surface: rgba(255, 255, 255, .045);--surface-2: rgba(255, 255, 255, .07);--surface-strong: rgba(255, 255, 255, .1);--text: #ededf2;--text-soft: #a0a6b6;--text-faint: #6b7180;--border: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .18);--aurora-1: #6d5cff;--aurora-2: #25e0c4;--aurora-3: #ff6ad5;--aurora-4: #4d8bff;--aurora-5: #b06bff;--accent: #8b7bff;--accent-2: #25e0c4;--accent-soft: rgba(139, 123, 255, .16);--accent-glow: rgba(139, 123, 255, .55);--accent-glow-2: rgba(37, 224, 196, .45);--danger: #ff6b6b;--danger-soft: rgba(255, 107, 107, .16);--warn: #ffc06b;--warn-soft: rgba(255, 192, 107, .16);--fs-hero: clamp(2.4rem, 7vw, 4rem);--fs-h1: clamp(1.7rem, 4vw, 2.4rem);--fs-h2: clamp(1.25rem, 3vw, 1.6rem);--fs-body: 1rem;--fs-soft: .875rem;--fs-micro: .75rem;--space: 1rem;--radius: 18px;--radius-sm: 12px;--maxw: 760px;--font: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--font-mono: "Space Mono", "SF Mono", ui-monospace, "Menlo", "Consolas", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{position:relative;background:var(--bg);background-image:radial-gradient(60% 50% at 18% 0%,rgba(109,92,255,.18),transparent 60%),radial-gradient(50% 45% at 90% 8%,rgba(37,224,196,.12),transparent 60%),radial-gradient(45% 40% at 70% 100%,rgba(255,106,213,.1),transparent 60%);background-attachment:fixed;color:var(--text);font-family:var(--font);font-size:var(--fs-body);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh}#root{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}a{color:var(--text-soft);text-decoration:none;border-bottom:1px solid var(--border);transition:color .2s ease,border-color .2s ease}a:hover{color:var(--text);border-color:var(--accent)}h1,h2,h3,h4{font-weight:600;letter-spacing:.01em;line-height:1.3}p{margin:0 0 1rem}button{font-family:inherit;cursor:pointer}ul{padding-left:1.2rem}::selection{background:var(--accent-soft);color:#fff}.page{width:100%;max-width:var(--maxw);margin:0 auto;padding:2.5rem 1.5rem 4rem;flex:1}.page--wide{max-width:940px}.prose,.prose p{color:var(--text)}.prose .soft{color:var(--text-soft)}.prose a{color:var(--accent);border-color:var(--border)}.prose a:hover{color:#fff}.prose code{font-family:var(--font-mono);font-size:.85em;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:.1em .4em}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:1.25rem 1.4rem;box-shadow:0 1px #ffffff0a inset,0 18px 40px -28px #000c}.stack{display:flex;flex-direction:column;gap:1rem}.row{display:flex;align-items:center;gap:.75rem}.label{font-size:var(--fs-micro);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.muted{color:var(--text-soft)}.note{font-size:var(--fs-soft);color:var(--text-soft)}.divider{height:1px;background:var(--border);border:0;margin:1.5rem 0}.glass{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border)}.glass-strong{background:var(--surface-strong);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-strong)}.text-gradient{background:linear-gradient(100deg,#fff 0%,var(--aurora-1) 45%,var(--aurora-2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}.topbar{position:sticky;top:0;z-index:20;background:#0a0b108c;backdrop-filter:saturate(1.2) blur(14px);-webkit-backdrop-filter:saturate(1.2) blur(14px);border-bottom:1px solid var(--border)}.topbar__inner{max-width:940px;margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.topbar__brand{font-weight:600;letter-spacing:.06em;border:0;font-size:1.05rem;background:linear-gradient(100deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}.topbar__nav{display:flex;gap:1.1rem;font-size:var(--fs-soft)}.topbar__nav a{border:0;color:var(--text-soft);transition:color .2s ease}.topbar__nav a:hover,.topbar__nav a.active{color:var(--text)}.footer{border-top:1px solid var(--border);padding:1.5rem;text-align:center;font-size:var(--fs-micro);color:var(--text-faint);background:#06070b66;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.footer a{border:0;color:var(--text-faint)}button{border:0;background:none}input[type=range]{width:100%;accent-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:1px solid transparent;background:linear-gradient(180deg,var(--accent),#6f5dff);color:#fff;padding:.85rem 1.7rem;border-radius:999px;font-size:var(--fs-body);font-weight:600;letter-spacing:.02em;box-shadow:0 10px 30px -10px var(--accent-glow),0 1px #ffffff40 inset;transition:transform .18s ease,box-shadow .25s ease,opacity .2s ease,filter .2s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 16px 40px -10px var(--accent-glow);filter:brightness(1.05)}.btn:active{transform:translateY(1px)}.btn--ghost{background:var(--surface-2);color:var(--text);border-color:var(--border-strong);box-shadow:none}.btn--ghost:hover{border-color:var(--accent);color:#fff;filter:none}.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.hero-title{font-size:var(--fs-hero);font-weight:700;margin:1.5rem 0 .5rem;letter-spacing:.01em;line-height:1.18}.hero-sub{font-size:var(--fs-h2);color:var(--text-soft);font-weight:400;margin-bottom:1.5rem}.features-inline{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}.chip{border:1px solid var(--border);border-radius:999px;padding:.4rem 1rem;font-size:var(--fs-soft);color:var(--text-soft);background:var(--surface);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.record-stage{display:flex;flex-direction:column;align-items:center;gap:1.25rem;padding:2.2rem 1.5rem;margin-top:.5rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px #ffffff0f inset,0 24px 60px -36px #000000e6}.record-button{position:relative;width:140px;height:140px;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface-strong);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:var(--fs-soft);letter-spacing:.08em;box-shadow:0 18px 50px -20px #000000e6,0 1px #ffffff14 inset;transition:background .3s ease,color .3s ease,box-shadow .3s ease,transform .2s ease}.record-button:hover:not(:disabled){transform:scale(1.03)}.record-button--recording{background:linear-gradient(180deg,var(--accent),#6f5dff);border-color:transparent;color:#fff;box-shadow:0 0 0 6px var(--accent-soft),0 0 50px -6px var(--accent-glow)}.record-button--done{background:var(--surface);border-color:var(--border);color:var(--text-faint);cursor:default}.record-button--recording:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--accent);animation:pulseRing 1.8s ease-out infinite}.wave-box{width:100%;height:96px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,#ffffff08,#fff0);overflow:hidden}.wave-box path{stroke:var(--accent);stroke-width:1.6;filter:drop-shadow(0 0 5px var(--accent-glow))}.passage{border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem 1.6rem;background:var(--surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);line-height:2.1;font-size:1.12rem;box-shadow:0 1px #ffffff0d inset}.passage__line{margin:0 0 .5rem}.passage__char--done{color:var(--text)}.passage__char--todo{color:var(--text-faint);opacity:.5}.passage__line--active{font-weight:500;color:#fff}.analyzing-orb{width:104px;height:104px;border-radius:50%;margin:0 auto;background:radial-gradient(circle at 35% 30%,#fff,var(--aurora-1) 35%,var(--aurora-4) 70%,var(--aurora-3));box-shadow:0 0 0 8px var(--surface),0 0 50px -4px var(--accent-glow);animation:breathe 3.2s ease-in-out infinite,spinSlow 9s linear infinite}.analyzing-steps{list-style:none;padding:0;margin:2rem 0}.analyzing-steps li{padding:.7rem 0;color:var(--text-faint);border-bottom:1px dashed var(--border);transition:color .3s ease}.analyzing-steps li.done{color:var(--text-soft)}.analyzing-steps li.active{color:var(--accent-2);font-weight:600;text-shadow:0 0 18px var(--accent-glow-2)}.axis{margin:.5rem 0 1.5rem}.axis__track{position:relative;height:8px;border-radius:999px;background:linear-gradient(90deg,var(--aurora-4),var(--aurora-1) 50%,var(--aurora-3));box-shadow:0 0 20px -4px var(--accent-glow);overflow:visible}.axis__knob{position:absolute;top:50%;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 0 16px 2px var(--accent-glow);transform:translate(-50%,-50%);transition:left .7s cubic-bezier(.22,1,.36,1)}.axis__labels{display:flex;justify-content:space-between;font-size:var(--fs-soft);color:var(--text-soft);margin-top:.5rem}.axis__score{font-family:var(--font-mono);font-size:2.4rem;font-weight:700;color:#fff;text-shadow:0 0 24px var(--accent-glow)}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem}.feature{border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem 1.1rem;background:var(--surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px #ffffff0d inset;transition:transform .2s ease,border-color .2s ease}.feature:hover{transform:translateY(-2px);border-color:var(--border-strong)}.feature__label{font-size:var(--fs-micro);letter-spacing:.08em;color:var(--text-faint);text-transform:uppercase}.feature__value{font-size:1.2rem;font-weight:700;margin-top:.25rem;color:#fff}.feature__sub{font-size:var(--fs-soft);color:var(--text-soft)}.record-card{border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.2rem;background:var(--surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;justify-content:space-between;align-items:center;gap:1rem;box-shadow:0 1px #ffffff0d inset;transition:border-color .2s ease,transform .2s ease}.record-card:hover{border-color:var(--border-strong);transform:translateY(-1px)}.record-card+.record-card{margin-top:.75rem}.record-meta{font-size:var(--fs-soft);color:var(--text-soft)}.link-btn{border:0;background:none;color:var(--text-soft);font-size:var(--fs-soft);cursor:pointer;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}.link-btn:hover{color:var(--accent);border-color:var(--accent)}.quality{border-radius:var(--radius-sm);padding:.9rem 1.1rem;font-size:var(--fs-soft);border:1px solid var(--border);background:var(--surface)}.quality--ok{background:var(--accent-soft);border-color:#8b7bff4d;color:#d9d3ff}.quality--warn{background:var(--warn-soft);border-color:#ffc06b4d;color:#ffdca6}.quality--bad{background:var(--danger-soft);border-color:#ff6b6b4d;color:#ffc2c2}.prose h2{margin-top:2rem}.prose li{margin-bottom:.5rem}@keyframes breathe{0%,to{transform:scale(1);opacity:.95}50%{transform:scale(1.06);opacity:1}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes waveformPulse{0%{transform:scaleY(.4)}to{transform:scaleY(1)}}@keyframes spinSlow{to{transform:rotate(360deg)}}@keyframes auroraFloat{0%{transform:translateZ(0) scale(1)}33%{transform:translate3d(6%,-4%,0) scale(1.12)}66%{transform:translate3d(-5%,5%,0) scale(.94)}to{transform:translateZ(0) scale(1)}}@keyframes pulseRing{0%{transform:scale(1);opacity:.7}to{transform:scale(1.35);opacity:0}}.breathe{animation:breathe 3.2s ease-in-out infinite}.fade-up{animation:fadeUp .55s cubic-bezier(.22,1,.36,1) both}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}.aurora__blob{position:absolute;border-radius:50%;filter:blur(72px);will-change:transform}.aurora__blob--1{width:46vw;height:46vw;left:-8vw;top:-10vw;background:radial-gradient(circle at 30% 30%,var(--aurora-1),transparent 70%);opacity:.5;animation:auroraFloat 18s ease-in-out infinite}.aurora__blob--2{width:42vw;height:42vw;right:-12vw;top:-4vw;background:radial-gradient(circle at 50% 50%,var(--aurora-2),transparent 70%);opacity:.38;animation:auroraFloat 23s ease-in-out infinite reverse}.aurora__blob--3{width:40vw;height:40vw;left:26vw;bottom:-16vw;background:radial-gradient(circle at 50% 50%,var(--aurora-3),transparent 70%);opacity:.32;animation:auroraFloat 27s ease-in-out infinite}.aurora__blob--4{width:32vw;height:32vw;right:10vw;bottom:-8vw;background:radial-gradient(circle at 50% 50%,var(--aurora-4),transparent 70%);opacity:.4;animation:auroraFloat 21s ease-in-out infinite reverse}.share-overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:#040509b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:fadeUp .3s ease both}.share-modal{position:relative;border-radius:22px;padding:1.5rem;max-width:440px;width:100%;max-height:88vh;display:flex;flex-direction:column;gap:1.1rem;box-shadow:0 40px 120px -40px #000000f2}.share-close{position:absolute;top:.7rem;right:.9rem;z-index:3;width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--surface-2);color:var(--text-soft);font-size:1.2rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:color .2s ease,border-color .2s ease}.share-close:hover{color:#fff;border-color:var(--accent)}.share-scroll{overflow-y:auto;display:flex;justify-content:center;padding:.25rem}.share-actions{display:flex;gap:.65rem;flex-wrap:wrap;justify-content:center}.share-actions .btn{flex:1;min-width:96px;padding:.7rem 1rem;font-size:var(--fs-soft)}.share-card{position:relative;width:380px;max-width:100%;border-radius:24px;overflow:hidden;color:#fff;font-family:var(--font);background:radial-gradient(125% 95% at 14% 0%,#1a1640,#0a0b10 52%,#06070b);border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 80px -30px #000000e6}.share-card__blob{position:absolute;border-radius:50%;filter:blur(42px);opacity:.62;pointer-events:none}.share-card__blob--1{width:230px;height:230px;left:-50px;top:-60px;background:radial-gradient(circle,var(--aurora-1),transparent 70%)}.share-card__blob--2{width:200px;height:200px;right:-50px;top:30px;background:radial-gradient(circle,var(--aurora-2),transparent 70%);opacity:.45}.share-card__blob--3{width:200px;height:200px;left:40px;bottom:-80px;background:radial-gradient(circle,var(--aurora-3),transparent 70%);opacity:.4}.share-card__inner{position:relative;z-index:1;padding:28px 28px 22px}.share-card__head{display:flex;align-items:baseline;gap:.6rem}.share-card__brand{font-weight:700;font-size:1.05rem;letter-spacing:.06em;background:linear-gradient(100deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}.share-card__tag{font-size:.72rem;color:#ffffff8c}.share-card__sentence{font-size:1.45rem;font-weight:600;line-height:1.4;margin-top:14px;color:#fff}.share-card__score{display:flex;align-items:baseline;gap:8px;margin-top:22px}.share-card__score-num{font-family:var(--font-mono);font-size:4.2rem;font-weight:700;line-height:1;background:linear-gradient(100deg,#fff 0%,var(--aurora-1) 55%,var(--aurora-2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}.share-card__score-unit{font-size:.85rem;color:#ffffff8c}.share-card__axis{position:relative;margin-top:14px}.share-card__axis-track{position:relative;height:9px;border-radius:999px;background:linear-gradient(90deg,var(--aurora-4),var(--aurora-1) 50%,var(--aurora-3));box-shadow:0 0 18px -3px var(--accent-glow)}.share-card__axis-knob{position:absolute;top:50%;width:17px;height:17px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 0 14px 2px var(--accent-glow);transform:translate(-50%,-50%)}.share-card__axis-labels{display:flex;justify-content:space-between;margin-top:6px;font-size:.72rem;color:#fff9}.share-card__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}.share-card__metric{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:13px;padding:11px 13px}.share-card__metric-label{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:#ffffff80}.share-card__metric-value{font-size:1.05rem;font-weight:700;margin-top:3px;color:#fff}.share-card__metric-sub{font-size:.72rem;color:#fff9;font-family:var(--font-mono)}.share-card__footer{margin-top:20px;font-size:.64rem;line-height:1.6;color:#ffffff73}