:root{--paper-0: #faf6ee;--paper-1: #f4efe6;--paper-2: #ece5d8;--surface: #fffaf2;--surface-2: #f7f1e6;--surface-translucent: rgba(255, 250, 242, .66);--ink: #162328;--ink-2: #36433f;--muted: #5f6b69;--faint: #8b938f;--accent: #0f766e;--accent-strong: #0b5d56;--accent-soft: rgba(15, 118, 110, .1);--gold: #b9842b;--gold-soft: rgba(216, 162, 60, .22);--on-accent: #ffffff;--mark-1: #0f766e;--mark-2: #0b5d56;--mark-3: #162328;--border: #ddd6ca;--hairline: rgba(22, 35, 40, .1);--grid-line: rgba(22, 35, 40, .045);--bg-a: #f9f5ed;--bg-b: #f3ecdf;--bg-c: #ece6da;--tint-a: rgba(244, 201, 93, .2);--tint-b: rgba(15, 118, 110, .08);--shadow-card: 0 1px 2px rgba(16, 24, 40, .04), 0 18px 40px -24px rgba(16, 24, 40, .22);--shadow-float: 0 24px 70px -32px rgba(16, 24, 40, .4);--card-glass: rgba(255, 250, 242, .58);--grid-size: 34px;--radius-sm: 12px;--radius: 18px;--radius-lg: 28px;--radius-pill: 999px;--measure: min(1180px, 90vw);--gutter: clamp(1.25rem, 5vw, 2.5rem);--section-y: clamp(6rem, 14vh, 11rem);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans", "Microsoft YaHei", sans-serif;--font-display: "Hoefler Text", "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif;--font-mono: "SF Mono", "JetBrains Mono", ui-monospace, "Menlo", Consolas, monospace;color-scheme:light}:root[lang^=zh]{--font-display: "Songti SC", "STSong", "Songti TC", "Source Han Serif SC", "Noto Serif CJK SC", serif}:root[lang^=ja]{--font-display: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif}:root[data-theme=dark]{--paper-0: #141a1a;--paper-1: #121717;--paper-2: #0f1414;--surface: #1a2120;--surface-2: #222a29;--surface-translucent: rgba(26, 33, 32, .62);--ink: #f1ece2;--ink-2: #d5d0c6;--muted: #9aa5a2;--faint: #76817d;--accent: #46bdb0;--accent-strong: #7dd4c8;--accent-soft: rgba(70, 189, 176, .12);--gold: #e6c067;--gold-soft: rgba(230, 192, 103, .16);--on-accent: #0f1717;--mark-1: #46bdb0;--mark-2: #2c8d83;--mark-3: #d3ece6;--border: #2e3837;--hairline: rgba(241, 236, 226, .1);--grid-line: rgba(241, 236, 226, .06);--bg-a: #161c1c;--bg-b: #121717;--bg-c: #0f1414;--tint-a: rgba(70, 189, 176, .14);--tint-b: rgba(244, 201, 93, .05);--shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 22px 48px -26px rgba(0, 0, 0, .7);--shadow-float: 0 28px 80px -34px rgba(0, 0, 0, .8);--card-glass: rgba(26, 33, 32, .55);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{font-family:var(--font-sans);color:var(--ink);background:var(--paper-1);line-height:1.6;font-size:clamp(1rem,.96rem + .2vw,1.0625rem);letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;transition:background-color .5s ease,color .5s ease}img,svg,video{display:block;max-width:100%}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.site-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.site-bg:before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 8% 0%,var(--tint-a) 0%,transparent 46%),radial-gradient(120% 120% at 100% 100%,var(--tint-b) 0%,transparent 52%),linear-gradient(135deg,var(--bg-a) 0%,var(--bg-b) 52%,var(--bg-c) 100%);transition:background .5s ease}.site-bg:after{content:"";position:absolute;inset:-2px;background-image:linear-gradient(to right,var(--grid-line) 1px,transparent 1px),linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);background-size:var(--grid-size) var(--grid-size);mask-image:radial-gradient(140% 120% at 50% 30%,#000 60%,transparent 100%);-webkit-mask-image:radial-gradient(140% 120% at 50% 30%,#000 60%,transparent 100%)}.container{width:var(--measure);margin-inline:auto}.section{padding-block:var(--section-y)}.stack>*+*{margin-top:1.1rem}.display{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.01em;color:var(--ink);text-wrap:balance}.display-xl{font-size:clamp(2.6rem,1.6rem + 4.6vw,5.4rem)}.display-lg{font-size:clamp(2.1rem,1.4rem + 3.2vw,3.8rem)}.display-md{font-size:clamp(1.7rem,1.3rem + 1.9vw,2.6rem)}.eyebrow{font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-strong);display:inline-flex;align-items:center;gap:.55em}.eyebrow:before{content:"//";color:var(--gold);letter-spacing:-.05em}.lede{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);line-height:1.65;color:var(--muted);max-width:42ch;text-wrap:pretty}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;border-radius:var(--radius-pill);padding:.85em 1.4em;font-weight:600;font-size:.98rem;letter-spacing:.01em;transition:transform .25s cubic-bezier(.22,1,.36,1),background-color .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease;white-space:nowrap}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:0 12px 30px -14px var(--accent)}.btn-primary:hover{background:var(--accent-strong)}.btn-ghost{border:1px solid var(--border);color:var(--ink);background:var(--surface-translucent)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent-strong)}.surface-card{background:var(--card-glass);border:1px solid var(--hairline);border-radius:var(--radius-lg);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1)}.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1);transition-delay:var(--reveal-delay, 0s);will-change:opacity,transform}.reveal.in-view{opacity:1;transform:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:fixed;top:.75rem;left:50%;transform:translate(-50%) translateY(-150%);z-index:200;background:var(--accent);color:var(--on-accent);padding:.6em 1.1em;border-radius:var(--radius-pill);font-weight:600;transition:transform .25s ease}.skip-link:focus{transform:translate(-50%) translateY(0)}@media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;transition:none!important}.btn:hover{transform:none}*{scroll-behavior:auto!important}}.mark[data-astro-cid-iifiznic]{display:block}.facet[data-astro-cid-iifiznic]{transition:fill .5s ease;transform-box:fill-box;transform-origin:center}.mark--animate[data-astro-cid-iifiznic] .facet[data-astro-cid-iifiznic]{opacity:0;animation:facet-in .9s cubic-bezier(.22,1,.36,1) forwards}.mark--animate[data-astro-cid-iifiznic] .facet-1[data-astro-cid-iifiznic]{animation-delay:.15s}.mark--animate[data-astro-cid-iifiznic] .facet-2[data-astro-cid-iifiznic]{animation-delay:.32s}.mark--animate[data-astro-cid-iifiznic] .facet-3[data-astro-cid-iifiznic]{animation-delay:.49s}@keyframes facet-in{0%{opacity:0;transform:translateY(10px) scale(.86)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.mark--animate[data-astro-cid-iifiznic] .facet[data-astro-cid-iifiznic]{opacity:1;animation:none}}.appstore[data-astro-cid-vhpznvsu]{display:inline-flex;align-items:center;gap:.7em;background:var(--ink);color:var(--paper-0);border:1px solid transparent;border-radius:14px;padding:.55em 1.05em .6em;transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s ease,opacity .3s ease;box-shadow:0 14px 34px -18px #10182899}[data-theme=dark] .appstore[data-astro-cid-vhpznvsu]{background:var(--ink);color:#16201d}.appstore[data-astro-cid-vhpznvsu]:hover{transform:translateY(-2px);box-shadow:0 20px 44px -20px #101828b3}.appstore__glyph[data-astro-cid-vhpznvsu]{width:1.5em;height:1.5em;flex:none}.appstore__copy[data-astro-cid-vhpznvsu]{display:flex;flex-direction:column;line-height:1.05;text-align:left}.appstore__top[data-astro-cid-vhpznvsu]{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;opacity:.82}.appstore__store[data-astro-cid-vhpznvsu]{font-size:1.05rem;font-weight:600;letter-spacing:.01em}.appstore--compact[data-astro-cid-vhpznvsu]{padding:.45em .85em;border-radius:12px;gap:.5em}.appstore--compact[data-astro-cid-vhpznvsu] .appstore__glyph[data-astro-cid-vhpznvsu]{width:1.25em;height:1.25em}.appstore--compact[data-astro-cid-vhpznvsu] .appstore__store[data-astro-cid-vhpznvsu]{font-size:.92rem}.appstore--compact[data-astro-cid-vhpznvsu] .appstore__top[data-astro-cid-vhpznvsu]{font-size:.54rem}.nav[data-astro-cid-dmqpwcec]{position:fixed;top:0;left:0;right:0;z-index:90;padding:clamp(.7rem,1.4vw,1.1rem) 0;transition:background-color .4s ease,border-color .4s ease,backdrop-filter .4s ease,transform .4s ease;border-bottom:1px solid transparent}.nav__inner[data-astro-cid-dmqpwcec]{width:var(--measure);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.nav__brand[data-astro-cid-dmqpwcec]{display:inline-flex;align-items:center;gap:.6em}.nav__word[data-astro-cid-dmqpwcec]{font-family:var(--font-display);font-size:1.32rem;font-weight:600;letter-spacing:.005em;color:var(--ink)}.nav__actions[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:.7rem}.nav__menu-btn[data-astro-cid-dmqpwcec]{width:46px;height:46px;border-radius:13px;border:1px solid var(--hairline);background:var(--surface-translucent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:inline-grid;place-items:center;transition:border-color .25s ease,transform .25s ease}.nav__menu-btn[data-astro-cid-dmqpwcec]:hover{border-color:var(--accent);transform:translateY(-1px)}.nav__bars[data-astro-cid-dmqpwcec]{display:grid;gap:5px;width:19px}.nav__bars[data-astro-cid-dmqpwcec] i[data-astro-cid-dmqpwcec]{height:1.6px;background:var(--ink);border-radius:2px;transition:background .3s ease}.nav[data-astro-cid-dmqpwcec][data-nav-mode=home]{transform:translateY(-10px);opacity:0;pointer-events:none}.nav[data-astro-cid-dmqpwcec][data-nav-mode=home].is-visible{transform:none;opacity:1;pointer-events:auto}.nav[data-astro-cid-dmqpwcec].is-docked{background:var(--surface-translucent);border-bottom-color:var(--hairline);backdrop-filter:blur(16px) saturate(1.1);-webkit-backdrop-filter:blur(16px) saturate(1.1)}@media(max-width:560px){.nav__cta[data-astro-cid-dmqpwcec]{display:none}}@media(prefers-reduced-motion:reduce){.nav[data-astro-cid-dmqpwcec][data-nav-mode=home]{transition:opacity .3s ease}}.menu[data-astro-cid-7qtj4lak]{position:fixed;inset:0;z-index:120;background:color-mix(in srgb,var(--paper-1) 86%,transparent);backdrop-filter:blur(22px) saturate(1.1);-webkit-backdrop-filter:blur(22px) saturate(1.1);display:flex;flex-direction:column;opacity:0;transition:opacity .42s ease}.menu[data-astro-cid-7qtj4lak].is-open{opacity:1}.menu[data-astro-cid-7qtj4lak][hidden]{display:none}.menu__bar[data-astro-cid-7qtj4lak]{display:flex;align-items:center;justify-content:space-between;padding-block:clamp(.7rem,1.4vw,1.1rem)}.menu__brand[data-astro-cid-7qtj4lak]{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-display);font-size:1.3rem;font-weight:600}.menu__close[data-astro-cid-7qtj4lak]{width:46px;height:46px;border-radius:13px;border:1px solid var(--hairline);color:var(--ink);display:inline-grid;place-items:center;transition:border-color .25s ease,transform .25s ease}.menu__close[data-astro-cid-7qtj4lak]:hover{border-color:var(--accent);transform:rotate(90deg)}.menu__body[data-astro-cid-7qtj4lak]{flex:1;display:flex;flex-direction:column;justify-content:center;gap:clamp(1.5rem,5vh,3rem);padding-block:clamp(1rem,4vh,3rem)}.menu__links[data-astro-cid-7qtj4lak]{list-style:none;padding:0;display:flex;flex-direction:column}.menu__links[data-astro-cid-7qtj4lak] li[data-astro-cid-7qtj4lak]{border-top:1px solid var(--hairline);opacity:0;transform:translateY(14px)}.menu__links[data-astro-cid-7qtj4lak] li[data-astro-cid-7qtj4lak]:last-child{border-bottom:1px solid var(--hairline)}.menu[data-astro-cid-7qtj4lak].is-open .menu__links[data-astro-cid-7qtj4lak] li[data-astro-cid-7qtj4lak]{animation:menu-item-in .6s cubic-bezier(.22,1,.36,1) forwards;animation-delay:calc(.12s + var(--i) * .05s)}.menu__links[data-astro-cid-7qtj4lak] a[data-astro-cid-7qtj4lak]{display:flex;align-items:baseline;gap:1rem;padding:clamp(.7rem,1.8vh,1.25rem) .25rem;transition:color .25s ease,padding-left .3s ease}.menu__links[data-astro-cid-7qtj4lak] a[data-astro-cid-7qtj4lak]:hover{color:var(--accent-strong);padding-left:.9rem}.menu__index[data-astro-cid-7qtj4lak]{font-family:var(--font-mono);font-size:.8rem;color:var(--gold);width:2ch}.menu__label[data-astro-cid-7qtj4lak]{font-family:var(--font-display);font-size:clamp(1.9rem,1.2rem + 3.5vw,3.6rem);font-weight:600;line-height:1;flex:1}.menu__arrow[data-astro-cid-7qtj4lak]{color:var(--faint);opacity:0;transform:translate(-8px);transition:opacity .25s ease,transform .25s ease}.menu__links[data-astro-cid-7qtj4lak] a[data-astro-cid-7qtj4lak]:hover .menu__arrow[data-astro-cid-7qtj4lak]{opacity:1;transform:none}.menu__foot[data-astro-cid-7qtj4lak]{display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(1.25rem,4vw,3rem)}.menu__group[data-astro-cid-7qtj4lak]{display:grid;gap:.7rem}.menu__chips[data-astro-cid-7qtj4lak]{display:flex;flex-wrap:wrap;gap:.5rem}.menu__chip[data-astro-cid-7qtj4lak]{border:1px solid var(--border);border-radius:var(--radius-pill);padding:.45em .95em;font-size:.9rem;font-weight:600;color:var(--muted);transition:color .2s ease,border-color .2s ease,background .2s ease}.menu__chip[data-astro-cid-7qtj4lak]:hover{color:var(--ink);border-color:var(--accent)}.menu__chip[data-astro-cid-7qtj4lak].is-active{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}.menu__cta[data-astro-cid-7qtj4lak]{margin-left:auto}@keyframes menu-item-in{to{opacity:1;transform:none}}@media(max-width:560px){.menu__cta[data-astro-cid-7qtj4lak]{margin-left:0}}@media(prefers-reduced-motion:reduce){.menu[data-astro-cid-7qtj4lak],.menu__links[data-astro-cid-7qtj4lak] li[data-astro-cid-7qtj4lak]{transition:opacity .2s ease}.menu[data-astro-cid-7qtj4lak].is-open .menu__links[data-astro-cid-7qtj4lak] li[data-astro-cid-7qtj4lak]{animation:none;opacity:1;transform:none}}.footer[data-astro-cid-sz7xmlte]{position:relative;margin-top:clamp(4rem,10vh,8rem);padding-top:clamp(3rem,7vh,5rem);padding-bottom:2.5rem;border-top:1px solid var(--hairline);background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--paper-2) 50%,transparent))}.footer__grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}.footer__brand[data-astro-cid-sz7xmlte]{display:grid;gap:1.1rem;max-width:34ch}.footer__logo[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-display);font-size:1.4rem;font-weight:600}.footer__tagline[data-astro-cid-sz7xmlte]{color:var(--muted);line-height:1.6}.footer__cta[data-astro-cid-sz7xmlte]{margin-top:.3rem}.footer__col[data-astro-cid-sz7xmlte]{display:grid;gap:.85rem;align-content:start}.footer__col-title[data-astro-cid-sz7xmlte]{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:.2rem}.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--muted);transition:color .2s ease,padding-left .2s ease}.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--accent-strong);padding-left:4px}.footer__base[data-astro-cid-sz7xmlte]{margin-top:clamp(2.5rem,6vh,4rem);padding-top:1.6rem;border-top:1px solid var(--hairline);display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 1.5rem;font-size:.85rem;color:var(--faint)}.footer__presented[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--muted);border-bottom:1px solid var(--hairline)}.footer__presented[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--accent-strong);border-color:var(--accent)}@media(max-width:860px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr}.footer__brand[data-astro-cid-sz7xmlte]{grid-column:1 / -1;max-width:none}}@media(max-width:520px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}}