:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f4f5f9;--panel:#fff;--sunken:#eceef4;--ink:#1b1f2a;--ink-2:#474e5e;--muted:#5f6678;--rule:#dde0e8;--raw:#a7adb9;--listen:#0a7f7a;--listen-mark:#2cc7be;--listen-soft:#d9f2ef;--talk:#5a48f2;--talk-mark:#8b7dff;--talk-soft:#e8e4ff;--live:#d0383e;--ok:#177f50;--shadow:0 1px 2px #1b1f2a0d, 0 14px 36px -18px #1b1f2a47;--stage:#15183a;--stage-ink:#eef0f7;--stage-ink-2:#c4c8dc;--stage-rule:#ffffff1f;--stage-glass:#ffffff0f;--prism:linear-gradient(100deg, #8b7dff, #2cc7be);--sans:"PingFang SC", -apple-system, BlinkMacSystemFont, "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--round:ui-rounded, "SF Pro Rounded", "PingFang SC", -apple-system, sans-serif;--latin:-apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--radius:16px;--radius-sm:10px;--t-xs:.75rem;--t-sm:.875rem;--t-base:1rem;--t-md:1.125rem;--t-lg:1.3125rem;--t-xl:1.5rem;--t-2xl:1.875rem;--t-3xl:2.25rem;--t-4xl:3rem;--t-5xl:3.75rem}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1120;--panel:#181b2c;--sunken:#1f2337;--ink:#eceef3;--ink-2:#c3c8d3;--muted:#9aa1b2;--rule:#2a2f45;--raw:#5b6170;--listen:#2cc7be;--listen-soft:#11393b;--talk:#a99dff;--talk-soft:#2a2559;--live:#ff6b70;--ok:#3cc78a;--shadow:0 1px 2px #0000004d, 0 16px 40px -18px #000000b3}}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:1.5rem}body{font:var(--t-base)/1.75 var(--sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-kerning:normal;margin:0}h1,h2,h3,p,ul,ol,dl,dd,figure,blockquote{margin:0}ul,ol{padding:0}h1,h2,h3{font-family:var(--round);letter-spacing:-.005em}a{color:var(--talk);text-underline-offset:.22em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}[lang=en]{font-family:var(--latin)}code,kbd,.key{font-family:var(--mono);font-size:.875em}code{background:var(--sunken);border-radius:5px;padding:.1em .35em}kbd{border:1px solid var(--rule);background:var(--panel);min-width:1.75em;color:var(--ink);text-align:center;border-bottom-width:2px;border-radius:6px;padding:0 .4em;line-height:1.6;display:inline-block}:focus-visible{outline:2px solid var(--talk-mark);outline-offset:3px;border-radius:4px}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip{background:var(--panel);color:var(--ink);border:1px solid var(--rule);border-radius:var(--radius-sm);z-index:10;padding:.5rem .75rem;position:absolute;top:-3rem;left:1rem}.skip:focus{top:1rem}.mark{color:var(--raw);display:inline-flex}.mark svg{width:100%;height:100%}.btn{border:1px solid var(--rule);background:var(--panel);min-height:2.75rem;color:var(--ink);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:.45em;padding:0 1.3rem;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:inline-flex}.btn:hover{border-color:var(--talk-mark)}.btn-primary{background:var(--prism);color:#fff;border-color:#0000;box-shadow:0 10px 28px -12px #8b7dffcc}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 32px -12px #8b7dfff2}.btn-danger{color:var(--live);border-color:color-mix(in srgb, var(--live) 50%, transparent)}.btn-danger:hover{background:color-mix(in srgb, var(--live) 8%, var(--panel));border-color:var(--live)}.btn:disabled{opacity:.5;cursor:default;transform:none}.link{color:var(--talk);text-underline-offset:.22em;background:0 0;border:0;padding:0;text-decoration:underline}input:not([type=checkbox]),select,textarea{border:1px solid var(--rule);border-radius:var(--radius-sm);background:var(--panel);width:100%;min-height:2.75rem;padding:.45rem .8rem}input:not([type=checkbox]):hover{border-color:var(--ink-2)}dialog{border:1px solid var(--rule);border-radius:var(--radius);background:var(--panel);color:var(--ink);width:min(30rem,100% - 2rem);box-shadow:var(--shadow);padding:1.5rem}dialog::backdrop{background:#0c0e1e8c}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.masthead,.hero,main,.colophon{width:min(72rem,100% - 3rem);margin-inline:auto}.stage{color:var(--stage-ink);background:radial-gradient(60rem 32rem at 78% 18%, #7a6bff61, transparent 62%), radial-gradient(48rem 28rem at 8% 96%, #2cc7be33, transparent 60%), linear-gradient(180deg, #2a2670 0%, var(--stage) 55%, #0f1226 100%);position:relative;overflow:hidden}.stage:after{content:"";pointer-events:none;background:linear-gradient(#ffffff0f,#0000);height:10rem;position:absolute;inset:0 0 auto}.stage a{color:var(--stage-ink)}.stage .mark{color:#c9cedbcc}.masthead{z-index:1;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 2rem;padding:1.4rem 0;display:flex;position:relative}.wordmark{font:700 var(--t-lg)/1 var(--round);letter-spacing:-.01em;align-items:center;gap:.55rem;text-decoration:none;display:inline-flex}.wordmark .mark{width:1.75rem;height:1.75rem}.masthead nav{font-size:var(--t-sm);flex-wrap:wrap;align-items:center;gap:.25rem 1.5rem;display:flex}.masthead nav a{color:var(--stage-ink-2);border-bottom:2px solid #0000;padding:.25rem 0;text-decoration:none}.masthead nav a:hover,.masthead nav a[aria-current=page]{color:var(--stage-ink);border-image:var(--prism) 1}.hero{z-index:1;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1rem 3rem;padding:3.5rem 0 4rem;display:grid;position:relative}.eyebrow{font-size:var(--t-sm);letter-spacing:.08em;color:var(--stage-ink-2);font-weight:600}.hero h1{font-size:clamp(var(--t-3xl), 6vw, var(--t-5xl));max-width:14em;margin-top:.6rem;font-weight:700;line-height:1.15}.prism-text{background:var(--prism);color:#0000;-webkit-background-clip:text;background-clip:text}.lede{max-width:36em;font-size:var(--t-md);color:var(--stage-ink-2);margin-top:1.5rem}.cta{flex-wrap:wrap;align-items:center;gap:.75rem 1rem;margin-top:2rem;display:flex}.cta .note{font-size:var(--t-sm);color:var(--muted)}.btn-ghost{background:var(--stage-glass);border-color:var(--stage-rule);color:var(--stage-ink)}.btn-ghost:hover{border-color:#fff6}.hero-icon{filter:drop-shadow(0 28px 48px #080a1e8c);width:clamp(9rem,20vw,15rem);height:auto}.hero-guide{grid-template-columns:minmax(0,1fr);padding-bottom:3.5rem}.score{--label:6.5rem;--p:1;background:var(--stage-glass);border:1px solid var(--stage-rule);border-radius:var(--radius);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);grid-column:1/-1;margin-top:2.5rem;padding:1.25rem 1.25rem 1rem;position:relative}.tracks{gap:.6rem;list-style:none;display:grid}.track{grid-template-columns:var(--label) repeat(16, minmax(0, 1fr));background-image:repeating-linear-gradient(90deg, transparent 0 calc((100% - var(--label)) / 16 - 1px), #ffffff0f 0 calc((100% - var(--label)) / 16));background-position:var(--label) 0;background-size:calc(100% - var(--label)) 100%;background-repeat:no-repeat;align-items:stretch;min-height:3.5rem;display:grid}.track-label{font-size:var(--t-sm);grid-column:1;align-self:center;padding-right:.75rem;font-weight:600}.listen .track-label{color:#5fe0d8}.talk .track-label{color:#b9afff}.clip{border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:var(--t-sm);color:var(--stage-ink);--soft:#a7adb929;background:linear-gradient(90deg, var(--soft) calc(var(--f,1) * 100%), #ffffff08 0);border-left:3px solid;border-color:var(--raw);padding:.55rem .85rem;line-height:1.6;position:relative}.listen.out .clip{--soft:#2cc7be38;border-color:var(--listen-mark)}.talk.out .clip{--soft:#8b7dff42;border-color:var(--talk-mark)}.out .clip{font-weight:600;font-size:var(--t-base)}.at-1{grid-column:2/10}.at-2{grid-column:6/13}.at-3{grid-column:9/14}.at-4{grid-column:11/18}.clip .rest{color:#0000}.clip.is-idle{background:0 0;border-color:#0000}.playhead{top:.75rem;bottom:3.25rem;left:calc(1.25rem + var(--label) + (100% - 2.5rem - var(--label)) * var(--p));opacity:0;pointer-events:none;background:linear-gradient(#8b7dff,#2cc7be);width:2px;position:absolute;box-shadow:0 0 12px 2px #8b7dff99}.score.is-playing .playhead{opacity:1}.score figcaption{font-size:var(--t-sm);color:var(--stage-ink-2);flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;margin-top:1rem;display:flex}.score .link{color:var(--stage-ink)}main{padding:1rem 0 2rem}.band{padding:3.5rem 0 1rem}.band-head{max-width:44rem;margin-bottom:1.75rem}.band-head h2{font-size:var(--t-2xl);font-weight:700;line-height:1.3}.band-head h2:after{content:"";background:var(--prism);border-radius:2px;width:2.5rem;height:4px;margin-top:.6rem;display:block}.lead{color:var(--ink-2);font-size:var(--t-md);margin-top:.9rem}.intro{max-width:42em;color:var(--ink-2)}.aside{max-width:46em;color:var(--muted);font-size:var(--t-sm);margin-top:1.5rem}.band-body>.intro+.items,.band-body>.intro+.steps,.band-body>.intro+.spec{margin-top:1.25rem}.dir{font-size:var(--t-xs);vertical-align:.1em;border-radius:999px;margin:0 .3em;padding:0 .5em;font-weight:700;line-height:1.8;display:inline-block}.dir-listen{color:var(--listen);background:var(--listen-soft)}.dir-talk{color:var(--talk);background:var(--talk-soft)}dt>.dir:first-child{margin-left:0}.cards{grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:1rem;display:grid}.cards>div{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem 1.3rem 1.35rem}.cards dt{font:700 var(--t-md)/1.4 var(--round)}.cards dd{color:var(--ink-2);font-size:var(--t-sm);margin-top:.45rem;line-height:1.75}.items{gap:1.1rem;display:grid}.items dt{font-weight:600}.items dd{color:var(--ink-2);max-width:42em}.spec{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:var(--shadow);padding:.4rem 1.3rem;display:grid}.spec>div{border-bottom:1px solid var(--rule);grid-template-columns:6.5rem minmax(0,1fr);gap:1.25rem;padding:.85rem 0;display:grid}.spec>div:last-child{border-bottom:0}.spec dt{font-weight:600}.spec dd{color:var(--ink-2)}.pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2rem;display:grid}.steps{counter-reset:step;gap:1.1rem;list-style:none;display:grid}.steps>li{counter-increment:step;grid-template-columns:2.25rem minmax(0,1fr);gap:.25rem;display:grid}.steps>li:before{content:counter(step);background:var(--prism);color:#fff;width:1.75rem;height:1.75rem;font:700 var(--t-sm)/1 var(--latin);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;margin-top:.1rem;display:grid}.steps h3{font-size:var(--t-base);font-weight:700}.steps p{color:var(--ink-2);max-width:42em}.band-body h3.sub{font-size:var(--t-lg);margin-top:2.5rem;margin-bottom:1rem;font-weight:700}.band-body>h3.sub:first-child{margin-top:0}.ui{color:var(--ink);font-weight:600}.download{color:var(--stage-ink);background:radial-gradient(36rem 18rem at 85% 0%, #7a6bff66, transparent 65%), radial-gradient(30rem 16rem at 0% 100%, #2cc7be38, transparent 60%), var(--stage);border-radius:calc(var(--radius) + 6px);box-shadow:var(--shadow);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:1.5rem 2rem;margin:4rem 0 1rem;padding:2.25rem;display:grid}.download img{filter:drop-shadow(0 14px 24px #080a1e80)}.download h2{font-size:var(--t-2xl);line-height:1.3}.download p{color:var(--stage-ink-2)}.download .cta{margin-top:1.25rem}.download .note,.download .aside{color:var(--stage-ink-2)}.download a{color:var(--stage-ink)}.btn-soon{border-style:dashed;border-color:var(--stage-rule);color:var(--stage-ink-2);cursor:default;background:0 0}.btn-soon:hover{border-color:var(--stage-rule)}.guide{grid-template-columns:13rem minmax(0,1fr);align-items:start;gap:0 3rem;display:grid}.toc{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:var(--shadow);font-size:var(--t-sm);margin-top:3.5rem;padding:1.1rem 1.2rem;position:sticky;top:1.5rem}.toc-title{color:var(--muted);font-weight:700}.toc ol{margin-top:.4rem;list-style:none}.toc li{padding:.15rem 0}.toc a{color:var(--ink-2);text-decoration:none}.toc a:hover{color:var(--talk)}.guide-body{min-width:0}.faq details{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius-sm);padding:0 1.1rem}.faq details+details{margin-top:.6rem}.faq summary{cursor:pointer;padding:.9rem 0;font-weight:600;list-style-position:inside}.faq summary::marker{color:var(--talk-mark)}.faq details p{color:var(--ink-2);max-width:44em;padding:0 0 1rem}.colophon{border-top:1px solid var(--rule);font-size:var(--t-sm);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem;padding:2rem 0 3rem;display:flex}@media (width<=56rem){.pair,.guide{grid-template-columns:minmax(0,1fr)}.toc{position:static}}@media (width<=40rem){.masthead,.hero,main,.colophon{width:calc(100% - 2rem)}.hero{grid-template-columns:minmax(0,1fr);padding:2rem 0 2.5rem}.hero-icon{display:none}.download{grid-template-columns:minmax(0,1fr);padding:1.5rem}.download img{width:64px;height:64px}.score{--label:0px;padding:1rem}.track{background:0 0;grid-template-columns:1fr;gap:.2rem;min-height:0}.track-label{padding:0}.clip{grid-column:1!important}.at-2{margin-left:1.5rem}.at-3{margin-left:3rem}.at-4{margin-left:4.5rem}.playhead{display:none}.spec>div{grid-template-columns:1fr;gap:.1rem}}