:root{--color-brand-ink:#17243a;--color-brand-primary:#2857c8;--color-brand-primary-hover:#1e43a3;--color-brand-primary-soft:#eaf0ff;--gradient-brand-action:linear-gradient(115deg,#247edd,#2b93cf 48%,#33c08b);--gradient-brand-action-hover:linear-gradient(115deg,#1f6fca,#2585bc 48%,#2cab7d);--color-brand-warm:#f2a65a;--color-brand-warm-soft:#fff4e4;--color-canvas:#f7f9fc;--color-surface:#ffffff;--color-surface-subtle:#eff3f8;--color-text-secondary:#46566d;--color-text-muted:#637187;--color-border:#d7dfea;--color-focus:#2857c8;--radius-xs:6px;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-full:999px;--page-gutter:clamp(20px,4vw,64px);--content-max:1280px;--left-hero-shift:calc((max(0px, (100vw - var(--content-max)) / 2) + var(--page-gutter)) * -0.25);--desktop-left-hero-shift:calc((max(0px, (100vw - var(--content-max)) / 2) + var(--page-gutter)) * -0.35);--desktop-nav-right-shift:calc((max(0px, (100vw - var(--content-max)) / 2) + var(--page-gutter)) * 0.3);--font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--color-canvas);color:var(--color-brand-ink);font-family:var(--font-sans);font-size:16px;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a,button{-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit}:focus-visible{outline:2px solid var(--color-focus);outline-offset:3px}::selection{background:var(--color-brand-primary-soft);color:var(--color-brand-ink)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}