:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--xch-color-brand:#f60;--xch-color-brand-hover:#e55a00;--xch-color-brand-soft:#fff7f0;--xch-color-brand-border:#ffd9bc;--xch-color-blue:#06c;--xch-color-ink:#1a1a1a;--xch-color-text:#555;--xch-color-muted:#888;--xch-color-surface:#fff;--xch-color-surface-subtle:#fafafa;--xch-color-surface-blue:#f0f6ff;--xch-color-border:#eee;--xch-color-focus:#0b63ce;--xch-color-danger:#c7392f;--xch-font-sans:"PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--xch-font-size-xs:.75rem;--xch-font-size-sm:.875rem;--xch-font-size-md:1rem;--xch-font-size-lg:1.125rem;--xch-font-size-xl:1.25rem;--xch-font-size-2xl:clamp(1.75rem, 3vw, 2rem);--xch-font-size-hero:clamp(2.125rem, 5vw, 3.375rem);--xch-line-height-tight:1.25;--xch-line-height-body:1.7;--xch-space-1:.25rem;--xch-space-2:.5rem;--xch-space-3:.75rem;--xch-space-4:1rem;--xch-space-5:1.25rem;--xch-space-6:1.5rem;--xch-space-8:2rem;--xch-space-10:2.5rem;--xch-space-12:3rem;--xch-space-16:4rem;--xch-space-18:4.5rem;--xch-container-max:67.5rem;--xch-container-gutter:1.5rem;--xch-header-height:4rem;--xch-section-space:4.5rem;--xch-radius-sm:.5rem;--xch-radius-md:.75rem;--xch-radius-lg:1rem;--xch-radius-xl:1.125rem;--xch-radius-pill:999px;--xch-shadow-card:0 12px 32px #00000014;--xch-shadow-brand:0 14px 36px #ff660047;--xch-shadow-floating:0 20px 50px #0000003d;--xch-z-header:100;--xch-z-overlay:400;--xch-z-dialog:410;--xch-ease-out:cubic-bezier(.23, 1, .32, 1);--xch-ease-in-out:cubic-bezier(.77, 0, .175, 1);--xch-ease-drawer:cubic-bezier(.32, .72, 0, 1);--xch-duration-press:.14s;--xch-duration-ui:.2s;--xch-duration-drawer:.26s}@media (max-width:640px){:root{--xch-container-gutter:1.25rem;--xch-section-space:3.5rem}}
*,:before,:after{box-sizing:border-box}html,body,h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}ul,ol{margin:0;padding:0}html{-moz-text-size-adjust:100%;text-size-adjust:100%}body{min-height:100vh}img,picture,svg,canvas,video{max-width:100%;display:block}button,input,textarea,select{color:inherit;font:inherit}button,[role=button]{touch-action:manipulation}a{color:inherit}table{border-collapse:collapse}@media (prefers-reduced-motion:reduce){html:focus-within{scroll-behavior:auto}}
html{background:var(--xch-color-surface,#fff);scroll-padding-top:calc(var(--xch-header-height,4rem) + 1rem)}body{background:var(--xch-color-surface,#fff);color:var(--xch-color-ink,#1a1a1a);font-family:var(--xch-font-sans,"PingFang SC", "Microsoft YaHei", sans-serif);font-size:var(--xch-font-size-md,1rem);line-height:var(--xch-line-height-body,1.7);text-rendering:optimizelegibility}a{text-underline-offset:.18em;text-decoration-thickness:.08em}:where(a,button,input,textarea,select,summary):focus-visible{outline:3px solid color-mix(in srgb, var(--xch-color-focus,#0b63ce) 72%, white);outline-offset:3px}::selection{background:color-mix(in srgb, var(--xch-color-brand,#f60) 24%, white);color:var(--xch-color-ink,#1a1a1a)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
.xch-sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.xch-skip-link{top:var(--xch-space-3,.75rem);left:var(--xch-space-3,.75rem);z-index:calc(var(--xch-z-dialog,410) + 1);padding:var(--xch-space-2,.5rem) var(--xch-space-4,1rem);border-radius:var(--xch-radius-sm,.5rem);background:var(--xch-color-ink,#1a1a1a);color:#fff;transition:transform var(--xch-duration-ui,.2s) var(--xch-ease-out,ease-out);font-weight:700;text-decoration:none;position:fixed;transform:translateY(calc(-100% - 2rem))}.xch-skip-link:focus-visible{transform:translateY(0)}.xch-no-scroll{overflow:hidden!important}