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360px}.lg\:self-start{align-self:flex-start}}@media(min-width:80rem){.xl\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}}:root{--shadow-xs:0 1px 2px #1b26200d;--shadow-sm:0 1px 2px #1b26200f, 0 2px 6px #1b26200a;--shadow-md:0 2px 4px #1b26200f, 0 8px 20px #1b262012;--shadow-lg:0 4px 8px #1b262012, 0 16px 40px #1b26201a;--ease:cubic-bezier(.22, .61, .36, 1)}html{background:var(--color-bg);color:var(--color-ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}body{word-break:normal;overflow-wrap:break-word;text-align:left;margin:0;line-height:1.7}html[lang=zh-Hans] body{line-height:1.75}html[lang=en] body{line-height:1.6}h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}html[lang=en] h1,html[lang=en] h2{letter-spacing:-.02em}html[lang=zh-Hans] .prose{max-width:36em}html[lang=en] .prose{max-width:68ch}.nums{font-variant-numeric:tabular-nums}.display{letter-spacing:-.03em;font-weight:800;line-height:1.05}html[lang=zh-Hans] .display{letter-spacing:-.01em;line-height:1.15}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--color-brand-600);font-size:.75rem;font-weight:700}html[lang=zh-Hans] .eyebrow{letter-spacing:.04em}.grain:after{content:"";pointer-events:none;opacity:.32;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");position:absolute;inset:0}.ribbon{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm);display:grid;overflow:hidden}.ribbon>*+*{border-left:1px solid var(--color-border)}@media(max-width:640px){.ribbon>*+*{border-left:0}.ribbon>:nth-child(n+3){border-top:1px solid var(--color-border)}.ribbon>:nth-child(2n){border-left:1px solid var(--color-border)}}.contour-bg{background-color:var(--color-brand-50);background-image:repeating-radial-gradient(130% 100% at 28% 118%,#0000 0 17px,#2e7d5229 17px 18.5px),repeating-radial-gradient(90% 70% at 88% -10%,#0000 0 21px,#2e7d521a 21px 22px)}.hero{background:radial-gradient(120% 80% at 12% 0%,#ffffffd9 0%,transparent 62%),linear-gradient(178deg,var(--color-brand-100) 0%,var(--color-brand-50) 100%);position:relative}.hero:before{content:"";pointer-events:none;background-image:repeating-radial-gradient(140% 120% at 20% 130%,#0000 0 19px,#2e7d5221 19px 20.5px);position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0%,#0000 88%);mask-image:linear-gradient(#000,#0000 88%)}.hero:after{content:"";background:var(--color-bg);pointer-events:none;inset-inline:0;height:64px;position:absolute;bottom:-1px;-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 64' preserveAspectRatio='none'%3E%3Cpath d='M0 64V40l120-14 96 18 84-26 132 30 108-38 96 34 120-22 108 26 96-16 120 22 120-8v18z' fill='black'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 64' preserveAspectRatio='none'%3E%3Cpath d='M0 64V40l120-14 96 18 84-26 132 30 108-38 96 34 120-22 108 26 96-16 120 22 120-8v18z' fill='black'/%3E%3C/svg%3E");-webkit-mask-size:100% 100%;mask-size:100% 100%}.contour-fade{-webkit-mask-image:linear-gradient(#000 40%,#0000 100%);mask-image:linear-gradient(#000 40%,#0000)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease)}@media(hover:hover){a.card:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-strong);transform:translateY(-2px)}}:where(a,button,input,select,textarea):focus-visible{outline:2px solid var(--color-brand);outline-offset:2px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}