@font-face{font-family:Newsreader;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/newsreader-latin-400-normal.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/newsreader-latin-500-normal.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/geist-latin-400-normal.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/geist-latin-500-normal.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--ink-900:#050c18;--ink-800:#08152a;--ink-700:#0d2444;--ink-600:#17365f;--ink-500:#2b5080;--ink-300:#6f8aad;--ink-200:#a9bcd3;--paper-50:#fff;--paper-100:#f7f6f3;--paper-200:#efede7;--paper-300:#e3e0d7;--text-900:#101a28;--text-700:#33404f;--text-500:#66727f;--line-strong:#101a28;--line-soft:#101a2824;--line-invert:#ffffff38;--brass-600:#8c5c24;--brass-500:#b1783a;--brass-300:#dcb47e;--brass-100:#f1e3cf;--focus-ring:#b1783a;--canvas:var(--paper-100);--content-surface:var(--paper-50);--overlay-surface:var(--surface-glass-strong);--text-primary:var(--text-900);--text-secondary:var(--text-500);--action-primary:var(--ink-900);--action-primary-hover:var(--ink-700);--action-on-primary:var(--paper-100);--control-secondary:var(--paper-50);--control-muted:var(--paper-200);--action-tint:var(--brass-100);--border-default:var(--line-soft);--border-input:var(--line-soft);--border-hover:var(--ink-300);--focus-control:var(--focus-ring);--state-danger:#9a443c;--state-confirmed:#286348;--state-invalid:var(--brass-600);--intelligence-surface:var(--paper-200);--axis-line:var(--ink-200);--grid-line:var(--line-soft);--color-kumo-canvas:var(--canvas);--color-kumo-base:var(--content-surface);--color-kumo-elevated:var(--surface-raised);--color-kumo-recessed:var(--paper-200);--color-kumo-tint:var(--control-muted);--color-kumo-overlay:var(--overlay-surface);--color-kumo-control:var(--control-secondary);--color-kumo-contrast:var(--action-primary);--color-kumo-brand:var(--action-primary);--color-kumo-brand-hover:var(--action-primary-hover);--color-kumo-focus:var(--focus-control);--color-kumo-line:var(--border-default);--color-kumo-hairline:var(--line-glass);--color-kumo-danger:var(--state-danger);--color-kumo-warning:var(--state-invalid);--color-kumo-success:var(--state-confirmed);--color-kumo-info:var(--ink-600);--color-kumo-info-tint:color-mix(in srgb, var(--ink-200) 20%, var(--paper-50));--color-kumo-warning-tint:color-mix(in srgb, var(--brass-100) 58%, var(--paper-50));--color-kumo-danger-tint:color-mix(in srgb, var(--state-danger) 8%, var(--paper-50));--color-kumo-success-tint:color-mix(in srgb, var(--state-confirmed) 8%, var(--paper-50));--text-color-kumo-default:var(--text-primary);--text-color-kumo-subtle:var(--text-secondary);--text-color-kumo-strong:var(--text-primary);--text-color-kumo-inverse:var(--action-on-primary);--text-color-kumo-placeholder:var(--text-secondary);--text-color-kumo-brand:var(--brass-600);--text-color-kumo-link:var(--ink-700);--text-color-kumo-info:var(--ink-600);--text-color-kumo-success:var(--state-confirmed);--text-color-kumo-danger:var(--state-danger);--text-color-kumo-warning:var(--state-invalid);--text-color-kumo-badge-neutral-subtle:var(--text-700);--kumo-button-emphasis-bg:var(--action-primary);--kumo-button-emphasis-ring:var(--action-primary);--surface-glass:color-mix(in srgb, var(--paper-50) 76%, transparent);--surface-glass-strong:color-mix(in srgb, var(--paper-50) 90%, transparent);--surface-raised:color-mix(in srgb, var(--paper-50) 94%, var(--paper-100));--surface-gradient:linear-gradient(135deg, color-mix(in srgb, var(--brass-100) 74%, var(--paper-50)), color-mix(in srgb, var(--ink-200) 16%, var(--paper-50)) 58%, var(--paper-50));--glow-warm:color-mix(in srgb, var(--brass-300) 20%, transparent);--glow-cool:color-mix(in srgb, var(--ink-300) 16%, transparent);--line-glass:color-mix(in srgb, var(--text-900) 9%, transparent);--line-raised:color-mix(in srgb, var(--text-900) 12%, transparent);--shadow-soft:0 .5rem 1.6rem #050c180a;--shadow-raised:0 .75rem 2rem #050c180f;--shadow-float:0 1.1rem 2.8rem #050c180f;--blur-glass:1.15rem;--status-success:var(--state-confirmed);--status-warning:var(--state-invalid);--status-danger:var(--state-danger);--status-info:var(--ink-600);--font-display:"Newsreader", "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;--font-body:"Geist", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;--step-hero:clamp(2.6rem, 1.6rem + 4.4vw, 4.75rem);--step-section:clamp(1.9rem, 1.3rem + 2.4vw, 3.1rem);--step-lead:clamp(1.02rem, .96rem + .35vw, 1.2rem);--step-body:1rem;--step-small:.875rem;--step-meta:.72rem;--leading-hero:1.02;--leading-section:1.08;--leading-lead:1.62;--leading-body:1.72;--tracking-hero:-.02em;--tracking-section:-.015em;--tracking-meta:.14em;--shell:1180px;--shell-wide:1420px;--gutter:clamp(1.25rem, .6rem + 3vw, 4rem);--section-y:clamp(4.5rem, 3rem + 7vw, 9.5rem);--section-y-tight:clamp(3rem, 2rem + 4vw, 5.5rem);--radius-sm:2px;--radius-md:4px;--radius-control:6px;--radius-surface:14px;--ease-out:cubic-bezier(.22, .61, .36, 1);--dur-fast:.16s;--dur-med:.32s;--dur-slow:.64s}@layer theme{button[data-kumo-component=Button][data-variant=primary],button[data-kumo-component=Button][data-variant=round]{color:var(--action-on-primary)!important}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--paper-100);color:var(--text-900);font-family:var(--font-body);font-size:var(--step-body);line-height:var(--leading-body);font-synthesis-weight:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}html[lang^=zh]{--font-display:"Noto Serif SC", "Newsreader", "Songti SC", serif;--leading-lead:1.85;--leading-body:1.9;--tracking-hero:.005em;--tracking-section:.005em;--tracking-meta:.22em}h1,h2,h3,h4{font-family:var(--font-display);text-wrap:balance;margin:0;font-weight:400}p{margin:0}a{color:inherit;text-underline-offset:.28em;text-decoration-thickness:1px}img,svg,iframe{max-width:100%;display:block}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px;border-radius:var(--radius-sm)}::selection{background:var(--brass-300);color:var(--ink-900)}.shell{width:100%;max-width:var(--shell);padding-inline:var(--gutter);margin-inline:auto}.shellWide{width:100%;max-width:var(--shell-wide);padding-inline:var(--gutter);margin-inline:auto}.eyebrow{font-family:var(--font-body);font-size:var(--step-meta);letter-spacing:var(--tracking-meta);text-transform:uppercase;color:var(--brass-600);font-weight:500}.visuallyHidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skipLink{z-index:100;background:var(--paper-50);color:var(--ink-800);font-size:var(--step-small);border-radius:0 0 var(--radius-md) var(--radius-md);transition:transform var(--dur-fast) var(--ease-out);padding:.7rem 1.15rem;font-weight:500;position:absolute;top:0;left:50%;transform:translate(-50%,-120%)}.skipLink:focus-visible{transform:translate(-50%)}.inverted{background:var(--ink-900);color:var(--paper-100)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}