.mk{--mk-canvas:hsl(var(--surface-2));--mk-paper:hsl(var(--card));--mk-ink:hsl(var(--foreground));--mk-ink-soft:hsl(var(--foreground) / .7);--mk-ink-faint:hsl(var(--muted-foreground));--mk-line:hsl(var(--panel-border));--mk-line-strong:hsl(var(--border));--mk-mist:hsl(var(--surface-muted));--mk-indigo:hsl(var(--brand));--mk-indigo-strong:hsl(var(--brand));--mk-indigo-soft:hsl(var(--brand-soft));--mk-indigo-tint:hsl(var(--brand-soft) / .6);--mk-indigo-line:hsl(var(--brand-line));--mk-rise:hsl(var(--success));--mk-rise-ink:hsl(var(--success-strong));--mk-rise-soft:hsl(var(--success-soft));--mk-fall:hsl(var(--destructive));--mk-fall-ink:hsl(var(--destructive-strong));--mk-fall-soft:hsl(var(--destructive-soft));--mk-warn:hsl(var(--warning));--mk-warn-ink:hsl(var(--warning-strong));--mk-warn-soft:hsl(var(--warning-soft));--mk-shadow-card:0 1px 2px #0f172a0a, 0 8px 20px -8px #0f172a14, 0 28px 56px -24px #0f172a1f;--mk-shadow-float:0 2px 6px #0f172a0d, 0 24px 48px -16px #241e8c38;--mk-ease:var(--ease-out);color:var(--mk-ink);background:var(--mk-canvas);font-family:var(--font-inter), "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:16px;line-height:1.6}.mk:lang(zh-HK),.mk:lang(zh-TW){font-family:var(--font-inter), "PingFang TC", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif}.mk ::selection{background:var(--mk-indigo-soft);color:var(--mk-ink)}.mk .mk-display{letter-spacing:-.02em;text-wrap:balance;font-weight:600;line-height:1.08}.mk h1.mk-display{font-size:clamp(2.5rem,5.4vw,4.6rem)}.mk h2.mk-display{font-size:clamp(2rem,3.5vw,3rem);line-height:1.1}.mk h3.mk-display{letter-spacing:-.02em;font-size:clamp(1.35rem,2vw,1.6rem);line-height:1.2}.mk:lang(zh) .mk-display{letter-spacing:-.01em;line-height:1.18}@media (min-width:640px){.mk:lang(zh) h1.mk-display,.mk:lang(zh) .mk-lead{word-break:keep-all;overflow-wrap:anywhere;line-break:strict}}.mk .mk-lead{text-wrap:pretty;color:var(--mk-ink-soft);max-width:40rem;font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.6}.mk .mk-eyebrow{color:var(--mk-indigo);letter-spacing:.09em;text-transform:uppercase;align-items:center;gap:.5rem;font-size:.75rem;font-weight:600;display:inline-flex}.mk .mk-label{color:var(--mk-ink-faint);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:600;line-height:1.3}.mk:lang(zh) .mk-eyebrow,.mk:lang(zh) .mk-label{letter-spacing:.04em}.mk .mk-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.mk .mk-mono{font-family:var(--font-jetbrains-mono), ui-monospace, monospace}.mk .mk-container{width:100%;max-width:76rem;margin-inline:auto;padding-inline:1.25rem}@media (min-width:640px){.mk .mk-container{padding-inline:2rem}}.mk .mk-container.mk-narrow{max-width:50rem}.mk .mk-container.mk-medium{max-width:60rem}.mk .mk-section{padding-block:clamp(4.5rem,9vw,7.5rem);scroll-margin-top:4.5rem}.mk [id]{scroll-margin-top:5rem}.mk .mk-card{background:var(--mk-paper);box-shadow:var(--mk-shadow-card);border:1px solid #0f172a0f;border-radius:1.75rem}.mk .mk-panel{background:var(--mk-paper);border:1px solid var(--mk-line);border-radius:1rem}.mk .mk-screen{background:var(--mk-paper);box-shadow:var(--mk-shadow-card);border:1px solid #0f172a12;border-radius:1.25rem;position:relative;overflow:hidden}.mk .mk-float{background:var(--mk-paper);box-shadow:var(--mk-shadow-float);border:1px solid #0f172a12;border-radius:1.1rem}.mk .mk-pill{white-space:nowrap;background:var(--mk-mist);height:1.375rem;color:var(--mk-ink-soft);font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:.25rem;padding:0 .5rem;font-size:.75rem;font-weight:600;line-height:1;display:inline-flex}.mk .mk-pill[data-tone=rise],.mk .mk-pill-rise{background:var(--mk-rise-soft);color:var(--mk-rise-ink)}.mk .mk-pill[data-tone=fall],.mk .mk-pill-fall{background:var(--mk-fall-soft);color:var(--mk-fall-ink)}.mk .mk-pill[data-tone=warn],.mk .mk-pill-warn{background:var(--mk-warn-soft);color:var(--mk-warn-ink)}.mk .mk-pill[data-tone=indigo],.mk .mk-pill-indigo{background:var(--mk-indigo-soft);color:var(--mk-indigo-strong)}.mk .mk-dot{background:currentColor;border-radius:999px;width:.4375rem;height:.4375rem;display:inline-block}.mk .mk-button{white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;height:3rem;padding:0 1.4rem;font-size:.95rem;font-weight:600;display:inline-flex}.mk .mk-button-sm{height:2.5rem;padding:0 1.1rem;font-size:.9rem}.mk .mk-button-primary{background:hsl(var(--primary));color:#fff;box-shadow:inset 0 1px 0 #ffffff1f, 0 10px 22px -10px hsl(var(--primary) / .6)}.mk .mk-button-primary:hover{background:hsl(var(--primary) / .85)}.mk .mk-button-soft{background:var(--mk-indigo-soft);color:var(--mk-indigo-strong)}.mk .mk-button-soft:hover{background:hsl(var(--brand) / .14)}.mk .mk-button-white{color:var(--mk-ink);background:#fff}.mk .mk-button-white:hover{background:var(--mk-indigo-soft)}.mk .mk-link{color:var(--mk-indigo);text-decoration:underline;-webkit-text-decoration-color:hsl(var(--brand) / .35);text-decoration-color:hsl(var(--brand) / .35);text-underline-offset:4px;font-weight:600}.mk .mk-link:hover{text-decoration-color:currentColor}@media (prefers-reduced-motion:no-preference){.mk .mk-button{transition:background-color .16s ease, box-shadow .16s ease, transform .16s var(--mk-ease), color .16s ease}.mk .mk-button-primary:hover,.mk .mk-button-white:hover{transform:translateY(-1px)}.mk .mk-link{transition:text-decoration-color .16s}}.mk a:focus-visible,.mk button:focus-visible,.mk summary:focus-visible{outline:2px solid var(--mk-indigo);outline-offset:3px;border-radius:8px}.mk .mk-skip{z-index:60;background:var(--mk-ink);color:#fff;border-radius:10px;padding:.6rem 1rem;font-weight:600;position:absolute;top:-4rem;left:1rem}.mk .mk-skip:focus{top:.75rem}.mk .mk-header{z-index:40;background:hsl(var(--surface-2) / .82);-webkit-backdrop-filter:saturate(1.6)blur(14px);backdrop-filter:saturate(1.6)blur(14px);border-bottom:1px solid #0f172a0f;position:sticky;top:0}.mk .mk-navlink{color:var(--mk-ink-soft);border-radius:999px;padding:.4rem .7rem;font-size:.925rem;font-weight:500}.mk .mk-navlink:hover{color:var(--mk-ink);background:hsl(var(--foreground) / .05)}@media (prefers-reduced-motion:no-preference){.mk .mk-navlink{transition:color .15s,background-color .15s}}.mk details>summary{list-style:none}.mk details>summary::-webkit-details-marker{display:none}.mk .mk-hero{isolation:isolate;position:relative;overflow:hidden}.mk .mk-hero:before{content:"";z-index:-1;background-image:radial-gradient(hsl(var(--foreground) / .075) 1px, transparent 1px);background-size:22px 22px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(70% 60% at 65% 20%,#000 30%,#0000 75%);mask-image:radial-gradient(70% 60% at 65% 20%,#000 30%,#0000 75%)}.mk .mk-hero:after{content:"";z-index:-1;background:radial-gradient(closest-side, hsl(var(--brand) / .14), transparent);pointer-events:none;width:70rem;height:40rem;position:absolute;top:-18rem;right:-20rem}.mk .mk-glow{background:radial-gradient(60% 80% at 15% 0%, hsl(var(--brand) / .35), transparent 70%), radial-gradient(50% 70% at 90% 100%, hsl(var(--info) / .18), transparent 70%), hsl(var(--nav-bg))}@keyframes mk-rise-in{0%{opacity:0;transform:translateY(16px)scale(.985)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:no-preference){.mk .mk-enter{animation:mk-rise-in .8s var(--mk-ease) both;animation-delay:var(--mk-delay,0s)}}@keyframes mk-pulse{0%,to{opacity:1}50%{opacity:.35}}@media (prefers-reduced-motion:no-preference){.mk [data-busy=true] .mk-dot{animation:.9s ease-in-out infinite mk-pulse}}.mk [data-loop-node][data-active=true] circle{fill:var(--mk-indigo);stroke:var(--mk-indigo)}.mk [data-loop-node][data-active=true] text{fill:#fff}.mk [data-loop-step][data-active=true]{border-color:hsl(var(--brand) / .35);box-shadow:var(--mk-shadow-card);background:var(--mk-paper)}@media (prefers-reduced-motion:no-preference){.mk [data-loop-node] circle{transition:fill .3s ease, stroke .3s ease, r .3s var(--mk-ease)}.mk [data-loop-node] text{transition:fill .3s}.mk [data-loop-step]{transition:border-color .3s,background-color .3s,box-shadow .3s}.mk [data-loop-label]{transition:background-color .3s,border-color .3s,color .3s}}.mk .mk-mark{-webkit-box-decoration-break:clone;box-decoration-break:clone;background-repeat:no-repeat;background-size:100% 100%;border-radius:4px;padding:0 2px}.mk .mk-mark-ok{background-image:linear-gradient(hsl(var(--success) / .16), hsl(var(--success) / .16));box-shadow:inset 0 -2px 0 hsl(var(--success) / .55)}.mk .mk-mark-warn{background-image:linear-gradient(hsl(var(--warning) / .18), hsl(var(--warning) / .18));box-shadow:inset 0 -2px 0 hsl(var(--warning) / .65)}.mk .mk-faq[open] summary .mk-faq-icon{background:var(--mk-indigo-soft);color:var(--mk-indigo-strong);transform:rotate(45deg)}@media (prefers-reduced-motion:no-preference){.mk .mk-faq summary .mk-faq-icon{transition:transform .22s var(--mk-ease), background-color .16s ease}}.mk .mk-table th,.mk .mk-table td{border-bottom:1px solid var(--mk-line);text-align:left;vertical-align:middle;padding:.95rem 1.25rem}.mk .mk-table tbody:last-child tr:last-child th,.mk .mk-table tbody:last-child tr:last-child td{border-bottom:0}.mk .mk-prose{color:hsl(var(--foreground) / .88);font-size:1.0625rem;line-height:1.8}.mk .mk-prose>:first-child{margin-top:0}.mk .mk-prose h2{color:var(--mk-ink);letter-spacing:-.02em;margin:2.75rem 0 .75rem;font-size:1.65rem;font-weight:600;line-height:1.25}.mk .mk-prose h3{color:var(--mk-ink);margin:2rem 0 .5rem;font-size:1.25rem;font-weight:600;line-height:1.35}.mk .mk-prose p,.mk .mk-prose ul,.mk .mk-prose ol,.mk .mk-prose blockquote,.mk .mk-prose pre,.mk .mk-prose table{margin:1.1rem 0}.mk .mk-prose ul{padding-left:1.4rem;list-style:outside}.mk .mk-prose ol{padding-left:1.4rem;list-style:decimal}.mk .mk-prose li{margin:.4rem 0;padding-left:.2rem}.mk .mk-prose li::marker{color:var(--mk-ink-faint)}.mk .mk-prose strong{color:var(--mk-ink);font-weight:600}.mk .mk-prose a{color:var(--mk-indigo);text-decoration:underline;-webkit-text-decoration-color:hsl(var(--brand) / .35);text-decoration-color:hsl(var(--brand) / .35);text-underline-offset:3px}.mk .mk-prose a:hover{text-decoration-color:currentColor}.mk .mk-prose blockquote{border-left:3px solid var(--mk-indigo);color:var(--mk-ink-soft);padding:.25rem 0 .25rem 1.1rem}.mk .mk-prose code{background:var(--mk-mist);font-family:var(--font-jetbrains-mono), ui-monospace, monospace;border-radius:6px;padding:.1em .35em;font-size:.88em}.mk .mk-prose pre{background:hsl(var(--nav-bg));color:hsl(var(--nav-fg));border-radius:14px;padding:1rem 1.25rem;font-size:.9rem;line-height:1.6;overflow-x:auto}.mk .mk-prose pre code{color:inherit;background:0 0;padding:0}.mk .mk-prose img{border-radius:14px;margin:1.5rem 0}.mk .mk-prose hr{border:0;border-top:1px solid var(--mk-line);margin:2.5rem 0}.mk .mk-prose table{border-collapse:collapse;width:100%;font-size:.95rem;display:block;overflow-x:auto}.mk .mk-prose th,.mk .mk-prose td{border-bottom:1px solid var(--mk-line);text-align:left;padding:.55rem .75rem}.mk .mk-prose th{color:var(--mk-ink);font-weight:600}@media (prefers-reduced-motion:reduce){.mk *,.mk :before,.mk :after{scroll-behavior:auto!important}}.mk .mk-delta{gap:.125rem;padding:0 .375rem}.mk .mk-delta .mk-i{display:none}.mk .mk-delta[data-tone=rise] .mk-i-up,.mk .mk-delta[data-tone=fall] .mk-i-down,.mk .mk-delta[data-tone=flat] .mk-i-flat{display:inline-block}.mk .mk-delta[data-tone=flat] .mk-delta-num{display:none}.mk [data-loop-label][data-active=true]{background:var(--mk-indigo);border-color:var(--mk-indigo);color:#fff}@keyframes mk-menu-in{0%{opacity:0;transform:translateY(-6px)scale(.98)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:no-preference){.mk .mk-menu[open]>[data-menu-panel]{animation:mk-menu-in .18s var(--mk-ease)}}