:root{--color-primary:#194545;--color-primary-deep:#082a2b;--color-primary-soft:#e7f2f2;--color-primary-line:#c0dada;--color-accent:#c34b30;--color-accent-dark:#9d3721;--color-accent-soft:#fbe7df;--color-bg-light:#f9f6f2;--color-text:#241e1a;--color-white:#fff;--color-ink-soft:#47413d;--color-ink-muted:#686460;--color-line:#dfdedb;--color-line-strong:#bfbdb9;--color-heat-quiet:#a7a49e;--color-heat-warm:#d0b477;--color-heat-rising:#e7963d;--color-heat-hot:#e36927;--color-heat-blast:#c34b30;--color-heat-track:#e8e6e2;--color-primary-a80:#194545cc;--color-primary-a60:#19454599;--color-white-a20:#fff3;--color-white-a10:#ffffff1a;--scrim-50:#00000080;--scrim-30:#0000004d;--scrim-20:#0003;--scrim-0:#0000;--shadow-card:0 1px 2px #241e1a0d;--shadow-card-hover:0 6px 20px #241e1a1a;--shadow-float:0 4px 12px #241e1a2e;--shadow-text:0 2px 12px #0000004d;--focus-ring:0 0 0 .1875rem #c34b3073;--text-xs:1.125rem;--text-sm:1.25rem;--text-base:1.375rem;--text-lg:1.625rem;--text-xl:2rem;--text-2xl:clamp(2rem, 1.5rem + 2vw, 2.75rem);--text-3xl:clamp(2.75rem, 2rem + 3.5vw, 4.5rem);--font-sans:system-ui, -apple-system, "Segoe UI", "Helvetica Neue", "Noto Sans", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Noto Sans Devanagari", "Nirmala UI", "Kohinoor Devanagari", "Noto Sans CJK TC", "Noto Sans CJK JP", "FreeSans", sans-serif;--font-display:Georgia, "Times New Roman", "Noto Serif", "Noto Serif TC", "Songti TC", "PMingLiU", "Hiragino Mincho ProN", "Noto Serif JP", "Yu Mincho", "Noto Serif Devanagari", "Noto Serif CJK TC", "Noto Serif CJK JP", "FreeSerif", serif;--font-serif:var(--font-display);--radius-sm:.25rem;--radius-md:.5rem;--radius-pill:62.5rem}@supports (color:oklch(0.5 0.1 250)){:root{--color-primary:oklch(36% .048 196);--color-primary-deep:oklch(26% .038 198);--color-primary-soft:oklch(95.5% .014 196);--color-primary-line:oklch(87% .028 196);--color-accent:oklch(57% .16 34);--color-accent-dark:oklch(48% .14 34);--color-accent-soft:oklch(94% .03 40);--color-bg-light:oklch(97.5% .006 85);--color-text:oklch(24% .012 60);--color-white:oklch(100% 0 0);--color-ink-soft:oklch(38% .01 60);--color-ink-muted:oklch(50.5% .008 60);--color-line:oklch(90% .004 85);--color-line-strong:oklch(80% .006 85);--color-heat-quiet:oklch(72% .01 85);--color-heat-warm:oklch(78% .085 85);--color-heat-rising:oklch(74% .14 65);--color-heat-hot:oklch(66% .17 45);--color-heat-blast:oklch(57% .16 34);--color-heat-track:oklch(92.5% .004 85);--color-primary-a80:oklch(36% .048 196/.8);--color-primary-a60:oklch(36% .048 196/.6);--color-white-a20:oklch(100% 0 0/.2);--color-white-a10:oklch(100% 0 0/.1);--scrim-50:oklch(0% 0 0/.5);--scrim-30:oklch(0% 0 0/.3);--scrim-20:oklch(0% 0 0/.2);--scrim-0:oklch(0% 0 0/0);--shadow-card:0 1px 2px oklch(24% .012 60/.05);--shadow-card-hover:0 6px 20px oklch(24% .012 60/.1);--shadow-float:0 4px 12px oklch(24% .012 60/.18);--shadow-text:0 2px 12px oklch(0% 0 0/.3);--focus-ring:0 0 0 .1875rem oklch(57% .16 34/.45)}}*,:before,:after{box-sizing:border-box}html{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg-light);-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{font-size:var(--text-base);background:var(--color-bg-light);flex-direction:column;min-height:100vh;margin:0;line-height:1.75;display:flex}h1,h2,h3{font-family:var(--font-display);text-wrap:balance;font-weight:700}h1{font-size:var(--text-2xl);letter-spacing:-.01em;line-height:1.2}h2{font-size:var(--text-xl);line-height:1.3}h3{font-size:var(--text-lg);line-height:1.4}small{font-size:var(--text-xs)}p{margin-block:0 .75em}a{color:var(--color-primary);text-underline-offset:.2em}a:hover{color:var(--color-accent-dark)}:focus-visible{outline:.125rem solid var(--color-accent-dark);outline-offset:.125rem;border-radius:var(--radius-sm)}img,video{max-width:100%;height:auto}.container{width:100%;max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}.measure{max-width:42rem}.eyebrow{font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-ink-muted);margin:0;font-weight:600}.section-head{border-block-start:.125rem solid var(--color-text);flex-wrap:wrap;align-items:baseline;gap:.75rem;margin-block-end:1.5rem;padding-block-start:.75rem;display:flex}.section-head>h2{flex:auto;margin:0}.section-num{font-family:var(--font-display);font-size:var(--text-sm);color:var(--color-accent);letter-spacing:.05em;flex:none;font-weight:700}.section-note{font-size:var(--text-xs);color:var(--color-ink-muted);flex:1 0 100%;margin:0}.badge{font-size:var(--text-xs);border-radius:var(--radius-pill);border:.0625rem solid var(--color-line-strong);color:var(--color-ink-soft);background:var(--color-white);white-space:nowrap;align-items:center;gap:.3em;padding:.1em .7em;line-height:1.4;display:inline-flex}.badge--primary{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-soft)}.badge--accent{border-color:var(--color-accent);color:var(--color-accent-dark);background:var(--color-accent-soft)}.badge-row{flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:.0625rem;height:.0625rem;margin:-.0625rem;padding:0;position:absolute;overflow:hidden}.masthead[data-astro-cid-z4jru4n3]{background:var(--color-white);border-block-end:.0625rem solid var(--color-line-strong)}.masthead-inner[data-astro-cid-z4jru4n3]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.25rem 1.5rem;padding-block:.875rem;display:flex}.wordmark[data-astro-cid-z4jru4n3]{color:var(--color-text);flex-wrap:wrap;align-items:baseline;gap:.25rem .75rem;text-decoration:none;display:flex}.wordmark-name[data-astro-cid-z4jru4n3]{font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:.01em;color:var(--color-primary);font-weight:700}.site-nav[data-astro-cid-z4jru4n3]{flex:100%;min-width:0}.nav-scroll[data-astro-cid-z4jru4n3]{flex-wrap:wrap;align-items:baseline;gap:.25rem 1.125rem;display:flex}.nav-link[data-astro-cid-z4jru4n3]{overflow-wrap:break-word;min-width:0;color:var(--color-ink-soft);font-size:var(--text-sm);border-block-end:.125rem solid #0000;flex:0 auto;padding-block:.125rem;text-decoration:none}.nav-link[data-astro-cid-z4jru4n3]:hover{color:var(--color-accent-dark)}.nav-link[data-astro-cid-z4jru4n3][aria-current=page]{color:var(--color-text);border-block-end-color:var(--color-accent);font-weight:700}.nav-link--topic[data-astro-cid-z4jru4n3]{color:var(--color-primary)}.nav-link--topic[data-astro-cid-z4jru4n3]:before{content:"#";color:var(--color-ink-muted);margin-inline-end:.15em}.nav-divider[data-astro-cid-z4jru4n3]{background:var(--color-line-strong);flex:none;align-self:stretch;inline-size:.0625rem;display:none}@media (width>=768px){.site-nav[data-astro-cid-z4jru4n3]{flex:0 auto}.nav-scroll[data-astro-cid-z4jru4n3]{justify-content:flex-end}.nav-link[data-astro-cid-z4jru4n3]{white-space:nowrap}.nav-divider[data-astro-cid-z4jru4n3]{display:block}}main[data-astro-cid-z4jru4n3]{flex:1 0 auto;padding-block:clamp(1.5rem,4vw,3rem) clamp(3rem,7vw,5rem);padding-inline:0}.site-footer[data-astro-cid-z4jru4n3]{background:var(--color-primary-deep);color:var(--color-primary-line);padding-block:2rem}.footer-inner[data-astro-cid-z4jru4n3]{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1.5rem;display:flex}.footer-name[data-astro-cid-z4jru4n3]{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-white);margin:0;font-weight:700}.footer-link[data-astro-cid-z4jru4n3]{font-size:var(--text-sm);color:var(--color-primary-line);border-block-end:.0625rem solid var(--color-primary-line);text-decoration:none}.footer-link[data-astro-cid-z4jru4n3]:hover{color:var(--color-white);border-block-end-color:var(--color-white)}