@property --petal{syntax: "<color>"; inherits: true; initial-value: #5A9FFF;}.bx{--glass: rgba(14, 14, 16, .88);--rim: rgba(255, 255, 255, .1);--hair: rgba(255, 255, 255, .06);--media: min(960px, calc(100vw - 32px) );--steps: min(1100px, calc(100vw - 32px) );--demo: min(1120px, calc(100vw - 32px) );position:relative;transition:--petal 1.4s cubic-bezier(.4,0,.2,1);.bx-float{position:absolute;top:0;bottom:0;left:calc(50% - 50vw);width:100vw;overflow:hidden;pointer-events:none;z-index:0}.bx-float i{position:absolute;width:220px;height:220px;margin:-110px 0 0 -110px;border-radius:50%;background:var(--c);opacity:.13;filter:blur(60px);animation:bx-drift 18s ease-in-out infinite alternate}.bx-float i:nth-child(2n){animation-duration:23s;animation-delay:-7s}.bx-float i:nth-child(3n){animation-duration:29s;animation-delay:-13s}>section,>.bx-hero{position:relative;z-index:1}.bx-hero:before{content:"";position:absolute;left:50%;top:0;width:100vw;height:900px;transform:translate(-50%);pointer-events:none;z-index:-1;background:radial-gradient(50% 45% at 50% 18%,color-mix(in srgb,var(--petal) 22%,transparent),transparent 70%)}.bx-line.bx-slogan{margin:6px 0 0;font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.1}.bx-slogan{margin:26px 0 0;font-size:clamp(34px,5.4vw,56px);font-weight:800;letter-spacing:-.035em;line-height:1.05}.bx-slogan span{color:color-mix(in srgb,var(--c) 70%,#fff)}.bx-slogan .bx-sep{color:var(--text)}.bx-slogan .bx-key{--k: .62;display:inline-block;overflow:hidden;vertical-align:baseline;box-sizing:border-box;height:calc(1cap / var(--k));line-height:calc(1cap / var(--k));padding:0 .55em;margin:0 .32em 0 .13em;border-radius:.4em;font-size:calc(var(--k) * 1em);letter-spacing:.04em;color:var(--text);background:linear-gradient(180deg,#fff3,#ffffff0f);-webkit-backdrop-filter:blur(14px) saturate(1.6);backdrop-filter:blur(14px) saturate(1.6);box-shadow:inset 0 1px #ffffff59,inset 0 0 0 1px #ffffff1f,0 6px 18px #00000059}.bd{margin-top:72px}.bd-list{list-style:none;padding:0;width:var(--steps);margin:18px 0 0 calc((100% - var(--steps)) / 2);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;text-align:left}.bd-list li{position:relative;padding:52px 18px 20px;border-radius:18px;background:#ffffff0a;box-shadow:inset 0 0 0 1px #ffffff0f;font-size:15px;line-height:1.45;color:var(--text-tertiary)}.bd-i{position:absolute;left:18px;top:18px;width:22px;height:22px;fill:none;stroke:color-mix(in srgb,var(--c) 80%,#fff);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.bd-list strong{color:var(--text)}@media(max-width:1000px){.bd-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.bd-list{grid-template-columns:1fr}}.bt-hint{position:absolute;left:9.5cqw;display:flex;align-items:center;gap:.6cqw;font:500 2.4cqw var(--font);color:#ffffff80;opacity:0;transition:opacity .6s;pointer-events:none}.bt-hint img{width:3.2cqw;height:3.2cqw;margin-right:2.4cqw}.bt-bar.hint .bt-hint{opacity:1;transition:none}.bx-chap{padding-top:140px;padding-bottom:20px;border-top:0}.bx-chap-n{margin:0;font:600 15px/1 var(--font);letter-spacing:.2em;color:color-mix(in srgb,var(--petal) 85%,#fff)}.bx-chap-w{margin:10px auto 0;max-width:none;font-size:clamp(64px,12vw,132px);font-weight:800;letter-spacing:-.045em;line-height:.95;background:linear-gradient(180deg,#fff 30%,color-mix(in srgb,var(--petal) 70%,#fff));-webkit-background-clip:text;background-clip:text;color:transparent}.bx-chap-l{margin:18px auto 0;max-width:30ch;font-size:clamp(19px,2.4vw,24px);color:var(--text-secondary)}.bx-num{background:color-mix(in srgb,var(--petal) 75%,#000);transition:background 1.4s cubic-bezier(.4,0,.2,1)}.bx-end{padding-bottom:120px}.bx-end .subscribe{margin:24px auto 0;max-width:460px}.bt{margin-top:88px}.bt-scene{position:relative;container-type:inline-size;width:var(--demo);margin:40px calc((100% - var(--demo)) / 2) 0;aspect-ratio:16 / 10;border-radius:22px;overflow:hidden;text-align:left;box-shadow:0 0 0 1px #ffffff14,0 40px 90px #00000073}.bt-wall{position:absolute;inset:-12% 0;background:radial-gradient(70% 60% at 15% 10%,rgba(255,255,255,.16),transparent 70%),radial-gradient(60% 60% at 55% 100%,rgba(74,58,110,.55),transparent 70%),linear-gradient(160deg,#4c5684,#6a5677 45%,#b07450)}.bt-scene .menubar{z-index:1}.bt-scene .clock{font:600 1.25cqw var(--font);color:#fff}.bt-scene .mark{width:2cqw;height:2cqw}.bt-note{position:absolute;left:4.5cqw;top:8cqw;width:38cqw;padding:1.6cqw 1.8cqw 1.4cqw;border-radius:1.6cqw;background:#fff;color:#000000d9;box-shadow:0 1.2cqw 3cqw #0000004d;z-index:1}.bt-note .tl,.bt-notes .tl{display:flex;gap:.8cqw}.bt-note .tl i,.bt-notes .tl i{width:1.1cqw;height:1.1cqw;border-radius:50%;background:#ff5f57}.bt-note .tl i+i,.bt-notes .tl i+i{background:#febc2e}.bt-note .tl i+i+i,.bt-notes .tl i+i+i{background:#28c840}.bt-lines{list-style:none;margin:1.2cqw 0 0;padding:0;display:grid;grid-template-columns:minmax(0,1fr);gap:.5cqw}.bt-lines li{display:flex;align-items:center;gap:1cqw}.bt-t{flex:1;min-width:0;font:500 1.7cqw/1.35 var(--font);padding:0 .4cqw;border-radius:.5cqw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;user-select:text;transition:background .2s}.bt-t.hl{background:#0a84ff47}.bt-c{flex:none;font:600 1.05cqw var(--font);color:#0000008c;background:#0000000f;border:0;border-radius:.6cqw;padding:.35cqw .7cqw;cursor:pointer}.bt-c:hover{background:#0a84ff29;color:#0a64d8}.bt-scene .bt-notes{left:auto;right:4.5cqw;bottom:4.5cqw;transform:none;width:44cqw;height:22cqw;border-radius:1.6cqw;container-type:normal;z-index:1}.bt-notes .nw-side{padding:1.4cqw 1cqw;gap:.6cqw}.bt-notes .nw-side .tl{margin:0 0 .8cqw .4cqw}.bt-notes .nw-row{padding:.8cqw .9cqw;gap:.5cqw;border-radius:.8cqw}.bt-notes .nw-row b{height:.8cqw}.bt-notes .nw-page{padding:1.6cqw 2.2cqw;gap:1.6cqw}.bt-notes .nw-date{height:.8cqw}.bt-paste{min-height:10cqw;font:600 1.8cqw/1.35 var(--font);color:#ffffffeb;caret-color:#e5b622;outline:none;white-space:pre-wrap;overflow-wrap:anywhere;overflow:hidden}.bt-paste:empty:before{content:attr(data-ph);color:#ffffff4d}.bt-panel{position:absolute;left:50%;top:5cqw;width:74cqw;margin-left:-37cqw;container-type:inline-size;z-index:3;opacity:0;transform:scale(.96);pointer-events:none;transition:opacity .3s cubic-bezier(.2,.8,.2,1),transform .5s cubic-bezier(.2,.9,.25,1.04)}.bt-panel.on{opacity:1;transform:none;pointer-events:auto}.bt-frame{display:block;width:100%;height:auto}.bt-bar{position:absolute;left:4.6cqw;top:3.6cqw;width:83.5cqw;height:8cqw;display:flex;align-items:center;gap:.6cqw;padding:0 2.2cqw 0 2.3cqw;border-radius:999px;background:#0d0d0d}.bt-bar img{width:4cqw;height:4cqw;flex:none}.bt-q{flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;color:#fff;font:500 2.65cqw var(--font);letter-spacing:-.01em;caret-color:#fff;padding:0}.bt-trail{flex:none;font:500 1.9cqw var(--font);color:#ffffff73}.bt-list{position:absolute;left:4cqw;top:10.67cqw;width:35.33cqw;height:52.6cqw;margin:0;padding:.3cqw 0 0;list-style:none;background:#101010;overflow:hidden}.bt-list li{position:relative;height:4.21cqw;display:flex;align-items:center;margin:0 .5cqw;padding:0 1.1cqw 0 1.3cqw;border-radius:2.05cqw;cursor:default}.bt-list li.sel{background:linear-gradient(#464646,#383838);box-shadow:inset 0 1px #ffffff59}.bt-list img{width:3cqw;height:3cqw;flex:none;mix-blend-mode:lighten;margin-right:.6cqw}.bt-list .t{flex:1;min-width:0;font:400 1.71cqw/1 var(--font);color:#ffffffd1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bt-list li.sel .t{color:#fff}.bt-list .k{flex:none;margin-left:1cqw;font:500 1.3cqw var(--font);color:#ffffff4d}.bt-list li.sel .k{color:#ffffffbf}.bt-list .empty{padding:2cqw;font:1.6cqw var(--font);color:#ffffff73}.bt-pv{position:absolute;left:39.83cqw;top:10.67cqw;width:56cqw;height:43.9cqw;background:#101010;overflow:hidden}.bt-pvi{position:absolute;left:1.75cqw;top:1.5cqw;width:4.33cqw;height:auto}.bt-app{position:absolute;left:7.5cqw;top:1.55cqw;font:600 1.71cqw/1.2 var(--font);color:#fff;max-width:30cqw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bt-meta{position:absolute;left:7.5cqw;top:3.95cqw;font:400 1.4cqw/1.2 var(--font);color:#ffffff80;white-space:nowrap}.bt-when{position:absolute;right:2cqw;top:1.75cqw;font:400 1.4cqw/1.2 var(--font);color:#ffffff80;white-space:nowrap}.bt-body{position:absolute;inset:8.1cqw 3cqw 1cqw 1.92cqw;font:400 1.71cqw/1.45 var(--font);color:#fff;white-space:pre-wrap;word-break:break-word;overflow:hidden}.bt-foot{position:absolute;left:4.6cqw;top:64.6cqw;width:85cqw;height:2.6cqw;background:#101010;font:400 1.36cqw/2.6cqw var(--font);color:#ffffff8c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bt-hud{position:absolute;left:50%;bottom:3cqw;z-index:4;display:flex;align-items:center;gap:1cqw;padding:1.1cqw 2cqw;border-radius:3cqw;background:#000000b8;color:#fff;font:600 1.5cqw var(--font);white-space:nowrap;opacity:0;transform:translate(-50%,1cqw);transition:opacity .2s,transform .2s;pointer-events:none}.bt-hud.on{opacity:1;transform:translate(-50%)}.bt-hud svg{width:1.6cqw;height:1.6cqw;fill:none;stroke:#fff;stroke-width:2}.bt-kc{position:absolute;z-index:5;left:50%;top:50%;display:flex;gap:.8cqw;padding:1cqw;border-radius:2.2cqw;background:#000000b8;opacity:0;transform:translate(-50%,-50%) scale(.85);transition:opacity .15s,transform .3s;pointer-events:none}.bt-kc.on{opacity:1;transform:translate(-50%,-50%) scale(1)}.bt-kc b{min-width:4.6cqw;height:4.6cqw;padding:0 1cqw;display:grid;place-items:center;border-radius:1.2cqw;background:#ffffff24;color:#fff;font:600 2.4cqw var(--font)}.bt-steps{list-style:none;padding:0;text-align:left;width:var(--steps);margin:36px 0 0 calc((100% - var(--steps)) / 2);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.bt-step{padding:14px 18px 16px;border-radius:16px;transition:background .3s}.bt-step.is-on{background:#ffffff0d}.bt-step h3{display:flex;align-items:center;gap:10px;margin:0 0 6px;font-size:22px;font-weight:600}.bt-step p{margin:0 0 4px;font-size:15px;color:var(--text-tertiary)}.bt-step p strong{color:var(--text-secondary)}.bt-open{margin-top:10px;display:inline-flex;align-items:center;gap:6px;padding:7px 14px 7px 8px;border:0;border-radius:999px;background:#ffffff14;color:var(--text);font:600 14px var(--font);cursor:pointer}.bt-open b{min-width:24px;height:24px;padding:0 6px;display:grid;place-items:center;border-radius:7px;background:#ffffff1f;font-size:13px}.bt-open span{margin-left:4px}.bt-open:hover{background:color-mix(in srgb,var(--petal) 30%,transparent)}@media(max-width:760px){.bt-scene{aspect-ratio:3 / 4}.bt-note{left:4cqw;right:4cqw;width:auto;top:9cqw;padding:3cqw;border-radius:3cqw}.bt-lines{gap:1.4cqw;margin-top:2.6cqw}.bt-t{font-size:4cqw}.bt-c{font-size:2.8cqw;padding:1cqw 1.8cqw;border-radius:1.4cqw}.bt-note .tl i,.bt-notes .tl i{width:2.4cqw;height:2.4cqw}.bt-scene .bt-notes{left:4cqw;right:4cqw;width:auto;bottom:5cqw;height:46cqw;border-radius:3cqw}.bt-paste{font-size:4.2cqw}.bt-panel{width:96cqw;margin-left:-48cqw;top:30cqw}.bt-hud{font-size:3.4cqw;padding:2.2cqw 4cqw;border-radius:6cqw}.bt-hud svg{width:3.6cqw;height:3.6cqw}.bt-kc b{min-width:10cqw;height:10cqw;font-size:5cqw;border-radius:2.6cqw}.bt-scene .menubar{height:7cqw}.bt-scene .clock{font-size:3cqw}.bt-scene .mark{width:4.6cqw;height:4.6cqw}.bt-scene .mark svg{width:3.8cqw;height:3.8cqw}.bt-scene .menubar i{height:1.4cqw}.bt-scene .menubar .ap{width:2.6cqw;height:2.6cqw}.bt-steps{grid-template-columns:1fr;max-width:460px;width:100%;margin-left:auto;margin-right:auto;gap:8px}}& section{text-align:center}& section>h2{margin-left:auto;margin-right:auto;max-width:20ch}.section-lede{margin-left:auto;margin-right:auto}.bx-eyebrow{margin:0 0 10px;font-size:15px;font-weight:600;color:color-mix(in srgb,var(--petal) 80%,#fff)}.bx-pro{display:inline-block;margin-left:6px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;color:#000;background:var(--pro-gold);vertical-align:1px}.bx-note{margin:24px auto 0;max-width:60ch;color:var(--text-tertiary);font-size:16px}.bx-note strong,.section-lede strong{color:var(--text-secondary)}.bx-hero{padding:calc(var(--nav-clear) + 48px) 0 72px;border-top:0}.bx-lock{display:flex;align-items:center;justify-content:center;gap:22px;text-align:left}.bx-flower{flex:none;width:96px;height:96px;display:block;position:relative;z-index:2}.bx-flower svg{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 4px 10px rgba(0,0,0,.4))}.bx-pt{transform-box:fill-box;transform-origin:center}& h1{margin:0;font-size:clamp(44px,7vw,64px);font-weight:700;letter-spacing:-.02em;line-height:1.02}.bx-line{margin:4px 0 0;font-size:clamp(19px,2.6vw,24px);color:var(--text-tertiary)}.bx-sub{margin:30px auto 26px;max-width:34em;font-size:17px;color:var(--text-secondary)}.bx-soon{margin:0 auto;max-width:460px}.bx-soon-title{margin:0;font-size:17px;font-weight:600;color:var(--text)}.bx-soon-sub{margin:4px 0 16px;font-size:15px;color:var(--text-tertiary)}.bx-end{padding-bottom:96px}.bx-idea{margin:28px 0 0;font-size:17px;color:var(--text-tertiary)}.bx-steps{list-style:none;padding:0;text-align:left;width:var(--steps);margin:56px 0 0 calc((100% - var(--steps)) / 2);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.bx-step h3{display:flex;align-items:center;gap:10px;margin:16px 0 6px;font-size:22px;font-weight:600}.bx-step p{margin:0 0 4px;font-size:15px;color:var(--text-tertiary)}.bx-step p strong{color:var(--text-secondary)}.bx-num{width:30px;height:30px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:16px;font-weight:700;color:#fff;background:var(--accent-fill)}.bx-pic{transition:box-shadow .3s}.bx-step.is-on .bx-pic{box-shadow:0 0 0 1px #ffffff38,0 18px 40px #0000004d}@media(max-width:760px){.bx-lock{flex-direction:column;text-align:center;gap:16px}.bx-steps{grid-template-columns:1fr;max-width:460px;width:100%;margin-left:auto;margin-right:auto}}.bx-pic{container-type:inline-size;position:relative;overflow:hidden;aspect-ratio:440 / 256;border-radius:16px;background:radial-gradient(70% 60% at 15% 10%,rgba(255,255,255,.16),transparent 70%),radial-gradient(60% 60% at 55% 100%,rgba(74,58,110,.55),transparent 70%),linear-gradient(160deg,#4c5684,#6a5677 45%,#b07450);box-shadow:0 0 0 1px #ffffff0f}.menubar{position:absolute;left:0;right:0;top:0;height:3.2cqw;background:#00000038;display:flex;align-items:center;gap:1.6cqw;padding:0 1.8cqw}.menubar i{display:block;height:.55cqw;border-radius:9px;background:#ffffffd9}.menubar .ap{width:1.1cqw;height:1.1cqw;border-radius:50%}.menubar .sp{flex:1;background:none}.mark{width:2cqw;height:2cqw;display:grid;place-items:center}.mark svg{width:1.7cqw;height:1.7cqw;fill:#fff;overflow:visible}.mark .hub{transform-box:fill-box;transform-origin:center;transform:scale(0);transition:transform .32s cubic-bezier(.3,1.6,.5,1)}.mark.copied .hub{transform:scale(1)}.bx-pic .menubar{height:13cqw;gap:3cqw;padding:0 4cqw;background:#00000040}.bx-pic .menubar i{height:1.8cqw}.bx-pic .menubar .ap{width:3.4cqw;height:3.4cqw}.bx-pic .mark{width:6cqw;height:6cqw}.bx-pic .mark svg{width:5.2cqw;height:5.2cqw}.clock{font:600 4.6cqw var(--font);color:#fff}.note{position:absolute;left:50%;transform:translate(-50%);bottom:10cqw;width:58cqw;padding:3cqw 3.6cqw;background:#fff;border-radius:3.4cqw;box-shadow:0 1.4cqw 3.4cqw #0000004d;display:flex;flex-direction:column;gap:2cqw;align-items:flex-start}.note .tl{display:flex;gap:1.4cqw}.note .tl i{width:2.2cqw;height:2.2cqw;border-radius:50%;background:#ff5f57}.note .tl i+i{background:#febc2e}.note .tl i+i+i{background:#28c840}.note .tx{font:500 5cqw/1.2 var(--font);color:#000000d9;padding:0 .8cqw;border-radius:.8cqw;transition:background .2s,opacity 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