:root{--ink:#111;--paper:#f5f5f7;--blue:#2d5bff;--sun:#ffc21a;--coral:#ff5b35;--muted:#6e6e73;--line:#e5e5ea;--df-t-muted:#6e6e73;--df-t-soft:#424245;--df-s-paper:#f5f5f7}body{margin:0}*{box-sizing:border-box}.df-root{color:var(--ink);font-family:var(--font-geist),system-ui,sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;background:#fff;min-height:100vh;overflow-x:hidden}.df-root a{color:var(--blue);text-decoration:none}.df-root a:hover{text-decoration:underline}.df-wrap{max-width:1080px;margin:0 auto;padding:0 24px}.df-sec{padding:128px 24px}.df-center{text-align:center}.df-paper{background:var(--paper)}.df-ink{background:var(--ink);color:#f5f5f7}.df-black{color:#f5f5f7;background:#000}.df-eyebrow{color:var(--muted);margin:0;font-size:19px;font-weight:600}.df-ink .df-eyebrow,.df-black .df-eyebrow{color:#a1a1a6}.df-h1{letter-spacing:-.05em;max-width:1000px;margin:14px auto 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li:before{content:"";background:var(--blue);border-radius:50%;flex-shrink:0;width:8px;height:8px}.df-row{flex-wrap:wrap;align-items:center;gap:56px;display:flex}.df-row>*{flex:380px;min-width:0}.df-row-rev{flex-direction:row-reverse}.df-stat{letter-spacing:-.05em;font-size:clamp(52px,7vw,96px);font-weight:700;line-height:1}.df-cell{aspect-ratio:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.df-fill{display:block;position:absolute;inset:0}.df-circle{border-radius:50%;display:block}.df-q-tl{border-top-left-radius:100%}.df-q-tr{border-top-right-radius:100%}.df-q-bl{border-bottom-left-radius:100%}.df-q-br{border-bottom-right-radius:100%}.df-dome{border-radius:50% 50% 0 0/100% 100% 0 0}.df-bowl{border-radius:0 0 50% 50%/0 0 100% 100%}.df-artgrid{grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.df-nav{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(20px);border-bottom:1px solid 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both dfslide}.df-root .df-draw{stroke-dasharray:120;animation:1s .3s both dfdraw}.df-root .df-delay1{animation-delay:-1s}.df-root .df-delay2{animation-delay:-2s}.df-root .df-delay3{animation-delay:-3s}.df-artgrid>div{animation:.9s cubic-bezier(.2,.7,.2,1) both dfpop}.df-artgrid>div:nth-child(2n){animation-delay:80ms}.df-artgrid>div:nth-child(3n){animation-delay:.16s}.df-artgrid>div:nth-child(4n){animation-delay:.24s}.df-artgrid>div:nth-child(5n){animation-delay:.32s}.df-artgrid>div:nth-child(n+7){animation-delay:.4s}.df-foot-art>span{animation:4s ease-in-out infinite dfpulse}.df-foot-art>span:nth-child(2n){animation-delay:-1s}.df-foot-art>span:nth-child(3n){animation-delay:-2s}.df-foot-art>span:nth-child(4n){animation-delay:-3s}@supports (animation-timeline:view()){.df-root section>*,.df-root .df-wrap>*,.df-root .df-tile,.df-root .df-reveal{animation:linear both dfrise;animation-timeline:view();animation-range:entry entry 70%}}.df-pick{all:unset;box-sizing:border-box;cursor:pointer;background:var(--paper);text-align:left;border-radius:24px;flex-direction:column;justify-content:space-between;gap:24px;min-height:210px;padding:28px;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,background .3s;animation:.6s cubic-bezier(.2,.7,.2,1) both dfrise;display:flex}.df-pick:nth-child(2){animation-delay:60ms}.df-pick:nth-child(3){animation-delay:.12s}.df-pick:nth-child(4){animation-delay:.18s}.df-pick:hover{background:#fff;transform:translateY(-6px);box-shadow:0 24px 50px #0000001a}.df-pick:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.df-pick-t{letter-spacing:-.03em;color:var(--ink);font-size:24px;font-weight:700}.df-pick-s{color:var(--muted);margin-top:4px;font-size:15px;display:block}.df-stepdots{justify-content:center;gap:6px;display:flex}.df-stepdots span{background:#e5e5ea;border-radius:3px;width:28px;height:6px;transition:background .3s,width .3s;display:block}.df-stepdots span[data-on=yes]{background:var(--blue);width:44px}.df-back{all:unset;cursor:pointer;color:var(--blue);align-items:center;min-height:44px;font-size:15px;display:inline-flex}.df-chat{color:#f5f5f7;background:#111;border-radius:32px;flex-wrap:wrap;display:flex;overflow:hidden;box-shadow:0 40px 80px #0000002e}.df-chat-main{flex-direction:column;flex:999 520px;min-width:0;display:flex}.df-chat-side{background:#1a1a1c;flex-direction:column;flex:320px;gap:22px;min-width:0;padding:32px;display:flex}.df-chat-head{border-bottom:1px solid #2c2c2e;align-items:center;gap:12px;padding:20px 24px;display:flex}.df-live{background:#34c759;border-radius:50%;width:8px;height:8px;animation:1.6s ease-in-out infinite dfpulse;display:inline-block}.df-chat-log{flex-direction:column-reverse;gap:12px;height:420px;padding:24px;display:flex;overflow-y:auto}.df-msg{border-radius:22px;max-width:80%;padding:14px 18px;font-size:16px;line-height:1.45;animation:.45s cubic-bezier(.2,.7,.2,1) both dfmsg}.df-msg-ai{background:#2c2c2e;border-bottom-left-radius:6px;align-self:flex-start}.df-msg-me{background:var(--blue);color:#fff;border-bottom-right-radius:6px;align-self:flex-end}@keyframes dfmsg{0%{opacity:0;transform:translateY(14px)scale(.96)}to{opacity:1;transform:none}}.df-typing{background:#2c2c2e;border-radius:22px;align-self:flex-start;gap:5px;padding:18px 20px;animation:.3s both dfmsg;display:inline-flex}.df-typing span{background:#a1a1a6;border-radius:50%;width:8px;height:8px;animation:.9s ease-in-out infinite dfbob;display:block}.df-typing span:nth-child(2){animation-delay:.15s}.df-typing span:nth-child(3){animation-delay:.3s}.df-chat-chips{flex-wrap:wrap;gap:8px;padding:4px 24px 16px;display:flex}.df-qchip{color:#f5f5f7;min-height:44px;font:inherit;cursor:pointer;background:0 0;border:1px solid #3a3a3c;border-radius:999px;padding:0 18px;font-size:15px;transition:background .2s,color .2s,border-color .2s;animation:.45s both dfmsg}.df-qchip:nth-child(2){animation-delay:50ms}.df-qchip:nth-child(3){animation-delay:.1s}.df-qchip:nth-child(4){animation-delay:.15s}.df-qchip:hover{color:#111;background:#f5f5f7;border-color:#f5f5f7}.df-chat-input{border-top:1px solid #2c2c2e;gap:8px;padding:16px 24px 24px;display:flex}.df-chat-input input{color:#fff;min-width:0;min-height:52px;font:inherit;background:#1d1d1f;border:1px solid #3a3a3c;border-radius:999px;flex:auto;padding:0 20px;font-size:16px}.df-chat-input input:focus{outline:2px solid var(--blue);outline-offset:1px}.df-send{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;transition:transform .2s;display:inline-flex}.df-send:hover{transform:scale(1.06)}.df-cells{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.df-cellslot{aspect-ratio:1;border:1.5px dashed #3a3a3c;border-radius:14px;position:relative;overflow:hidden}.df-cellfill{justify-content:center;align-items:center;animation:.7s cubic-bezier(.2,.7,.2,1) both dfpop;display:flex;position:absolute;inset:0}.df-fieldrow{border-top:1px solid #2c2c2e;justify-content:space-between;gap:12px;padding:10px 0;font-size:14px;display:flex}.df-fieldrow b{color:#fff;text-align:right;font-weight:600}.df-fieldrow span{color:#a1a1a6}.df-progress{background:var(--blue);transform-origin:0;z-index:60;height:3px;position:fixed;top:0;left:0;right:0;transform:scaleX(0)}@keyframes dfprog{to{transform:scaleX(1)}}@supports (animation-timeline:scroll()){.df-root .df-progress{animation:linear both dfprog;animation-timeline:scroll(root)}}.df-article{color:#2a2a2c;max-width:720px;margin:0 auto;font-size:20px;line-height:1.65}.df-article h2{letter-spacing:-.03em;color:var(--ink);margin:56px 0 0;font-size:32px;line-height:1.15}.df-article p{margin:20px 0 0}.df-article ul{margin:20px 0 0;padding-left:22px}.df-article li{margin-top:8px}.df-quote{letter-spacing:-.03em;color:var(--ink);margin:48px 0 0;padding:0;font-size:32px;font-weight:600;line-height:1.25}.df-quote:before{content:"";background:var(--sun);border-radius:3px;width:56px;height:6px;margin-bottom:20px;display:block}.df-takeaway{background:var(--paper);border-radius:24px;margin-top:48px;padding:32px}.df-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:14px;display:flex}.df-tag{background:var(--paper);min-height:28px;color:var(--ink);border-radius:999px;align-items:center;padding:0 12px;font-size:13px;font-weight:500;display:inline-flex}.df-share{background:#fff;border:1px solid #d2d2d7;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:transform .2s;display:inline-flex;color:var(--ink)!important}.df-share:hover{transform:translateY(-2px)}.df-share svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.df-postgrid{flex-wrap:wrap;align-items:flex-start;gap:64px;max-width:1216px;margin:0 auto;display:flex}.df-postgrid>.df-article{flex:999 560px;min-width:0;max-width:760px;margin:0}.df-article h2{scroll-margin-top:88px}.df-sidebar{flex-direction:column;flex:300px;gap:14px;min-width:0;display:flex;position:sticky;top:80px}.df-side-card{background:var(--paper);border-radius:24px;padding:24px}.df-side-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-size:12px;font-weight:600}.df-toc{border-left:2px solid #e5e5ea;flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.df-toc a{border-left:2px solid #0000;align-items:center;gap:10px;min-height:40px;margin-left:-2px;padding:6px 0 6px 16px;font-size:15px;line-height:1.3;transition:border-color .25s,color .25s,padding .25s;display:flex;color:#424245!important}.df-toc a:hover{border-left-color:var(--blue);padding-left:20px;color:var(--ink)!important;text-decoration:none!important}.df-toc b{color:var(--muted);min-width:18px;font-size:12px;font-weight:600}.df-theme{width:44px;height:44px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:50%;justify-content:center;align-items:center;transition:background .2s,transform .3s;display:inline-flex}.df-theme:hover{background:#7f7f7f26}.df-theme svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px;animation:.4s both dfpop}.df-lang{align-items:center;display:flex;position:relative}.df-langmenu{border:1px solid var(--line);opacity:0;visibility:hidden;z-index:70;background:#fff;border-radius:16px;flex-direction:column;min-width:210px;margin-top:6px;padding:8px;transition:opacity .2s,transform .2s,visibility .2s;display:flex;position:absolute;top:100%;right:0;transform:translateY(-6px);box-shadow:0 20px 50px #0000001f}.df-lang:after{content:"";height:10px;position:absolute;top:100%;left:0;right:0}.df-lang:hover .df-langmenu,.df-lang:focus-within .df-langmenu{opacity:1;visibility:visible;transform:none}.df-langmenu a{border-radius:10px;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:0 12px;font-size:15px;display:flex;color:var(--ink)!important}.df-langmenu a:hover{background:var(--paper);text-decoration:none!important}.df-langmenu a[aria-current=true]{font-weight:600}.df-langmenu small{color:var(--muted);font-size:12px}[dir=rtl] .df-langmenu{left:0;right:auto}[lang=ar] .df-root{font-family:var(--font-arabic),var(--font-geist),system-ui,sans-serif}[lang=zh-Hans] .df-root{font-family:var(--font-geist),var(--font-sc),system-ui,sans-serif}[dir=rtl] .df-root,[dir=rtl] .df-h1,[dir=rtl] .df-h2,[dir=rtl] .df-h3,[dir=rtl] .df-lead{letter-spacing:0}[dir=rtl] .df-h1{line-height:1.15}[dir=rtl] .df-h2{line-height:1.2}[lang=zh-Hans] .df-h1,[lang=zh-Hans] .df-h2,[lang=zh-Hans] .df-h3{letter-spacing:-.01em;line-height:1.15}[data-theme=dark] .df-langmenu{background:#141416;border-color:#2c2c2e}[data-theme=dark] .df-langmenu a{color:#f5f5f7!important}[data-theme=dark] .df-langmenu a:hover{background:#1c1c1e}[data-theme=dark] .df-root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f5f5f7!important;background:#000!important}[data-theme=dark] .df-root a{color:#7fa0ff}[data-theme=dark] .df-paper{background:#111113!important}[data-theme=dark] .df-tile:not(.df-tile-ink):not(.df-tile-blue):not(.df-tile-sun):not(.df-tile-coral),[data-theme=dark] .df-tile-w{color:#f5f5f7!important;background:#1c1c1e!important}[data-theme=dark] .df-tile-ink{box-shadow:inset 0 0 0 1px #2c2c2e;background:#141416!important}[data-theme=dark] .df-ink{background:#0e0e10}[data-theme=dark] .df-small,[data-theme=dark] .df-lead,[data-theme=dark] .df-eyebrow,[data-theme=dark] .df-poster-s,[data-theme=dark] .df-meta,[data-theme=dark] .df-pick-s{color:#a1a1a6!important}[data-theme=dark] .df-tile-sun .df-small,[data-theme=dark] .df-tile-coral .df-small{color:#2a2a2a!important}[data-theme=dark] .df-tile-blue .df-small{color:#dce4ff!important}[data-theme=dark]{--df-t-muted:#a1a1a6;--df-t-soft:#c7c7cc;--df-s-paper:#1c1c1e}[data-theme=dark] body{background:#000}[data-theme=dark] .df-poster{color:#f5f5f7!important}[data-theme=dark] .df-link{color:#7fa0ff!important}[data-theme=dark] .df-tag{color:#f5f5f7;background:#2c2c2e}[data-theme=dark] .df-pill-ghost{border-color:#3a3a3c;color:#f5f5f7!important}[data-theme=dark] .df-pill-ink{background:#f5f5f7;color:#111!important}[data-theme=dark] .df-nav{background:#000000d1;border-bottom-color:#1f1f22;color:#f5f5f7!important}[data-theme=dark] .df-logo{color:#f5f5f7!important}[data-theme=dark] .df-mark{background:#f5f5f7}[data-theme=dark] .df-links a{color:#c7c7cc!important}[data-theme=dark] .df-links a[aria-current=page]{color:#fff!important}[data-theme=dark] .df-burger{color:#f5f5f7}[data-theme=dark] .df-mmenu{background:#000;border-top-color:#1f1f22}[data-theme=dark] .df-mmenu>a:not(.df-pill){color:#f5f5f7!important}[data-theme=dark] .df-mega-in{background:#141416;border-color:#2c2c2e;box-shadow:0 30px 70px #0009}[data-theme=dark] .df-mega-h{color:#a1a1a6;border-bottom-color:#2c2c2e}[data-theme=dark] .df-mega-col a{color:#f5f5f7!important}[data-theme=dark] .df-mega-col a:hover,[data-theme=dark] .df-mega-col a.df-mega-all{color:#7fa0ff!important}[data-theme=dark] .df-mega-card{background:#1c1c1e;color:#f5f5f7!important}[data-theme=dark] .df-foot{background:#0a0a0b;color:#f5f5f7!important}[data-theme=dark] .df-foot h2{color:#f5f5f7}[data-theme=dark] .df-foot ul a{color:#a1a1a6!important}[data-theme=dark] .df-findus{border-top-color:#2c2c2e}[data-theme=dark] .df-findus-item{background:#1c1c1e;border-color:#2c2c2e;color:#f5f5f7!important}[data-theme=dark] .df-foot-bottom{border-top-color:#2c2c2e}[data-theme=dark] .df-input{color:#fff;background:#1c1c1e;border-color:#3a3a3c}[data-theme=dark] .df-field{color:#c7c7cc}[data-theme=dark] .df-chip{color:#f5f5f7;background:#1c1c1e;border-color:#3a3a3c}[data-theme=dark] .df-chip[aria-pressed=true]{color:#111;background:#f5f5f7;border-color:#f5f5f7}[data-theme=dark] .df-chip:has(input:checked){color:#111;background:#f5f5f7;border-color:#f5f5f7}[data-theme=dark] .df-seg{background:#1c1c1e}[data-theme=dark] .df-seg button[aria-pressed=true]{color:#111;background:#f5f5f7}[data-theme=dark] .df-plan{color:#f5f5f7;background:#1c1c1e}[data-theme=dark] .df-plan[aria-pressed=true]{background:#1c1c1e;box-shadow:0 24px 60px #2d5bff40}[data-theme=dark] .df-price small{color:#a1a1a6}[data-theme=dark] .df-panel,[data-theme=dark] .df-summary,[data-theme=dark] .df-side-card,[data-theme=dark] .df-takeaway{color:#f5f5f7;background:#1c1c1e}[data-theme=dark] .df-pick{background:#1c1c1e}[data-theme=dark] .df-pick:hover{background:#2c2c2e}[data-theme=dark] .df-pick-t{color:#f5f5f7}[data-theme=dark] .df-stepdots span,[data-theme=dark] .df-step b,[data-theme=dark] .df-bar{background:#2c2c2e}[data-theme=dark] .df-tablebox{border-color:#2c2c2e}[data-theme=dark] .df-table th,[data-theme=dark] .df-table td{border-top-color:#2c2c2e}[data-theme=dark] .df-table thead th{background:#1c1c1e}[data-theme=dark] .df-table tbody th{color:#a1a1a6}[data-theme=dark] .df-faq details{border-color:#2c2c2e}[data-theme=dark] .df-toc{border-left-color:#2c2c2e}[data-theme=dark] .df-toc a{color:#c7c7cc!important}[data-theme=dark] .df-toc a:hover{color:#fff!important}[data-theme=dark] .df-article{color:#d2d2d7}[data-theme=dark] .df-article h2,[data-theme=dark] .df-quote{color:#fff}[data-theme=dark] .df-share{background:#1c1c1e;border-color:#3a3a3c;color:#f5f5f7!important}[data-theme=dark] .df-marquee-row{color:#6e6e73}@media (max-width:820px){.df-links,.df-hide-m{display:none!important}.df-burger{display:inline-flex}.df-sec{padding:88px 20px}.df-wrap{padding:0 20px}.df-artgrid{grid-template-columns:repeat(3,minmax(0,1fr))}.df-tile{min-height:280px;padding:36px 28px}.df-panel{padding:28px 22px}.df-foot-art{grid-template-columns:repeat(4,minmax(0,1fr))}.df-sidebar{position:static}}@media (min-width:821px){.df-mmenu{display:none}}@media (prefers-reduced-motion:reduce){.df-root *{transition:none!important;animation:none!important}}