.intent-root{--it-bg:#f8faf8;--it-ink:#20342f;--it-primary:#203f34;--it-muted:#59685f;--it-border:#d7ded7;--it-surface:#e9eeea;--it-footer:#1d382e;--it-focus:#337659;--it-sans:"Manrope", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;--it-display:"Instrument Serif", "Songti TC", "Noto Serif TC", "PMingLiU", Georgia, serif;min-height:100vh;color:var(--it-ink);background:var(--it-bg);font-family:var(--it-sans);line-break:strict;flex-direction:column;display:flex}.intent-root main{flex:1}.intent-root #main:focus{outline:none}.intent-root h1,.intent-root h2,.intent-root h3{margin:0}.it-skip-link{z-index:30;background:var(--it-primary);color:#fff;border-radius:999px;padding:12px 18px;position:fixed;top:12px;left:12px;transform:translateY(-170%)}.it-skip-link:focus{transform:none}.it-header{border-bottom:1px solid var(--it-border)}.it-header-inner,.it-footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px 24px;width:min(1248px,100% - 36px);margin-inline:auto;display:flex}.it-header-inner{padding:18px 0}.it-brand{letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;display:inline-flex}.it-brand-icon{border-radius:8px;width:32px;height:32px}.it-brand-zh{color:var(--it-muted);margin-left:6px;font-weight:600}.it-header-links,.it-footer-links{flex-wrap:wrap;gap:8px 20px;font-size:.95rem;font-weight:600;display:flex}.it-header-links a,.it-footer-links a{padding:4px 0}.it-header-links a:hover{color:var(--it-primary);text-underline-offset:5px;text-decoration:underline}.it-kicker{color:var(--it-muted);letter-spacing:.16em;margin:0;font-size:.8rem;font-weight:700}.it-summary{color:#354d43;max-width:40rem;margin:20px 0 0;font-size:1.05rem;line-height:1.85}.it-link{color:var(--it-primary);text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, var(--it-primary) 35%, transparent);text-decoration-color:color-mix(in srgb, var(--it-primary) 35%, transparent);text-underline-offset:4px;font-weight:600}.it-link:hover{-webkit-text-decoration-color:var(--it-primary);text-decoration-color:var(--it-primary)}.it-list{margin:0;padding-left:1.25rem;list-style:outside}.it-list li+li{margin-top:8px}.it-list li::marker{color:color-mix(in srgb, var(--it-primary) 55%, transparent)}.it-doc{width:min(880px,100% - 36px);margin-inline:auto;padding:clamp(48px,9vw,96px) 0 72px}.it-doc-head{padding-bottom:40px}.it-doc h1,.it-hero h1{font-family:var(--it-display);font-synthesis:none;letter-spacing:-.015em;margin-top:18px;font-size:clamp(2.6rem,7vw,4.5rem);font-weight:400;line-height:1.1}.it-updated{color:var(--it-muted);margin:28px 0 0;font-size:.9rem}.it-section{border-top:1px solid var(--it-border);gap:12px 24px;padding:28px 0 8px;display:grid}.it-section+.it-section{margin-top:28px}.it-section-number{color:var(--it-muted);font-variant-numeric:tabular-nums;margin:0;font-size:.85rem;font-weight:700}.it-section h2{font-family:var(--it-sans);letter-spacing:-.01em;font-size:1.4rem;font-weight:700;line-height:1.4}.it-prose{color:#354d43;margin-top:14px;font-size:1rem;line-height:1.85}.it-prose>*+*{margin-top:14px}@media (min-width:760px){.it-section{grid-template-columns:6rem 1fr}}.it-support{width:min(1248px,100% - 36px);margin-inline:auto;padding-bottom:72px}.it-hero{padding:clamp(56px,10vw,120px) 0 clamp(40px,7vw,72px)}.it-hero h1{font-size:clamp(2.8rem,8vw,5.6rem)}.it-actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.it-button{border:1px solid var(--it-border);border-radius:999px;align-items:center;min-height:48px;padding:0 22px;font-weight:650;display:inline-flex}.it-button:hover{border-color:var(--it-primary)}.it-button-primary{border-color:var(--it-primary);background:var(--it-primary);color:#fff}.it-button-primary:hover{background:#18372b}.it-block{border-top:1px solid var(--it-border);padding:40px 0}.it-block h2{font-family:var(--it-display);font-synthesis:none;font-size:clamp(1.9rem,4vw,2.6rem);font-weight:400;line-height:1.2}.it-block>.it-list{color:#354d43;max-width:48rem;margin-top:20px;line-height:1.85}.it-principles{gap:12px;margin-top:28px;display:grid}.it-principles article{background:var(--it-surface);border-radius:6px;padding:24px}.it-principles h3{font-size:1.1rem;font-weight:700}.it-principles p{color:#354d43;margin:8px 0 0;line-height:1.75}.it-help{gap:28px;display:grid}.it-help h2{margin-top:12px}.it-help-note{max-width:26rem;color:var(--it-muted);margin:14px 0 0;line-height:1.75}.it-rows{border-top:1px solid var(--it-border);margin:0;padding:0;list-style:none}.it-rows li{border-bottom:1px solid var(--it-border)}.it-rows a{flex-direction:column;justify-content:center;gap:4px;min-height:76px;padding:16px 0;display:flex}.it-rows a:hover .it-row-title{color:var(--it-primary);text-underline-offset:5px;text-decoration:underline}.it-row-title{font-weight:700}.it-row-detail{color:var(--it-muted);overflow-wrap:anywhere;font-size:.92rem}@media (min-width:760px){.it-principles{grid-template-columns:repeat(3,1fr)}.it-help{grid-template-columns:.8fr 1.2fr}}.it-footer{background:var(--it-footer);color:#e3ece6;padding:32px 0}.it-footer-links a:hover{text-underline-offset:5px;text-decoration:underline}.it-footer-copy{color:#b9cbbf;margin:0;font-size:.9rem}.it-footer a:focus-visible{outline-color:#ceead7}