:root{color-scheme:dark;--bg:#070b13;--surface:#0d1422;--line:#243149;--text:#f6f8fc;--muted:#aab6c9;--cyan:#61d6e6;--blue:#78a7ff;--max:1120px;font-family:Inter,"Noto Sans TC","PingFang HK",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 82% 3%,#172f50 0,transparent 28rem),var(--bg);color:var(--text);line-height:1.68}a{color:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;color:#000;padding:.75rem;z-index:10}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}.nav{border-bottom:1px solid var(--line);background:rgba(7,11,19,.9)}.nav .wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;font-weight:760;letter-spacing:-.02em}.navlinks{display:flex;flex-wrap:wrap;gap:18px}.navlinks a{color:var(--muted);font-size:.91rem;text-decoration:none}.navlinks a:hover,.navlinks a:focus{color:var(--cyan)}.hero{padding:96px 0 72px}.eyebrow{color:var(--cyan);font-size:.78rem;font-weight:750;letter-spacing:.16em;text-transform:uppercase}.hero h1{font-size:clamp(2.5rem,7vw,5.8rem);line-height:.98;letter-spacing:-.055em;max-width:900px;margin:20px 0 28px}.lede{max-width:790px;color:#c8d1df;font-size:clamp(1.08rem,2vw,1.34rem)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.button{display:inline-flex;min-height:48px;align-items:center;padding:0 20px;border-radius:8px;background:linear-gradient(120deg,#3978e9,#159db2);text-decoration:none;font-weight:700}.button.secondary{background:transparent;border:1px solid var(--line)}.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:0 0 80px}.proof div{background:var(--surface);padding:24px}.proof strong{display:block;font-size:1.15rem}.proof span{color:var(--muted);font-size:.9rem}main section{padding:64px 0;border-top:1px solid rgba(36,49,73,.8)}h2{font-size:clamp(1.75rem,4vw,3rem);line-height:1.12;letter-spacing:-.035em;margin:0 0 24px}h3{font-size:1.16rem;margin:0 0 10px}.intro{max-width:760px;color:var(--muted)}.grid,.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.card,.metric{border:1px solid var(--line);background:linear-gradient(145deg,rgba(18,28,45,.94),rgba(10,16,28,.94));border-radius:12px;padding:24px}.card p,.card li,.metric p{color:var(--muted)}.card ul{padding-left:20px}.metric strong{display:block;color:var(--cyan);font-size:2rem;line-height:1.1;margin-bottom:12px}.metric h3{font-size:1rem}.metric p{font-size:.88rem}.steps{counter-reset:step;display:grid;gap:0;margin-top:28px}.step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--line)}.step:before{counter-increment:step;content:"0" counter(step);color:var(--cyan);font-weight:750}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);max-width:800px}.related a{display:block;color:#b9dcff;margin:10px 0}.cta{margin:70px 0;padding:38px;border:1px solid #31517d;background:linear-gradient(135deg,#102744,#101725);border-radius:14px}.footer{padding:34px 0 50px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.breadcrumbs{font-size:.85rem;color:var(--muted);padding-top:28px}.breadcrumbs a{color:var(--muted)}@media(max-width:760px){.nav .wrap{align-items:flex-start;flex-direction:column;padding:18px 0}.hero{padding:58px 0}.grid,.proof,.metric-grid{grid-template-columns:1fr}.hero h1{font-size:2.7rem}.wrap{width:min(calc(100% - 28px),var(--max))}.cta{padding:26px}.navlinks{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.people-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}.person{display:grid;grid-template-columns:96px 1fr;gap:20px;border-top:1px solid var(--line);padding:26px 0}.person img{width:96px;height:96px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}.person p{color:var(--muted)}@media(max-width:760px){.people-grid{grid-template-columns:1fr}.person{grid-template-columns:72px 1fr}.person img{width:72px;height:72px}}
.faq + section .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq + section li{margin:.65rem 0}.faq + section strong{font-variant-numeric:tabular-nums}@media(max-width:760px){.faq + section .grid{grid-template-columns:1fr}}
.comparison-scroll{margin-top:30px;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:rgba(10,16,28,.92);scrollbar-color:var(--blue) var(--surface)}.comparison-scroll:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.comparison-scroll table{width:100%;min-width:820px;border-collapse:collapse;text-align:left}.comparison-scroll th,.comparison-scroll td{padding:18px 20px;vertical-align:top;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.comparison-scroll tr:last-child th,.comparison-scroll tr:last-child td{border-bottom:0}.comparison-scroll th:last-child,.comparison-scroll td:last-child{border-right:0}.comparison-scroll thead th{background:#111d30;color:var(--text);font-size:.95rem}.comparison-scroll tbody th{width:16%;color:var(--cyan);font-size:.88rem}.comparison-scroll td{width:28%;color:var(--muted)}.comparison-scroll a{color:#b9dcff;text-underline-offset:3px}@media(max-width:760px){.comparison-scroll{margin-right:-14px;border-radius:12px 0 0 12px}.comparison-scroll th,.comparison-scroll td{padding:16px}}
.evidence-status .grid{grid-template-columns:repeat(4,minmax(0,1fr))}.evidence-status .card{border-top:3px solid var(--blue)}.evidence-status .eyebrow{margin-bottom:12px}@media(max-width:900px){.evidence-status .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.evidence-status .grid{grid-template-columns:1fr}}
.prompt-map-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px}.prompt-map-group{min-width:0}.prompt-map-group h3{color:var(--cyan);margin-bottom:10px}.prompt-map-group details{padding:18px 0}.prompt-map-group summary{overflow-wrap:anywhere}.prompt-map-group ul{padding-left:20px;color:var(--muted)}.prompt-map-group li{margin:.55rem 0}.prompt-map-group a{color:#b9dcff;overflow-wrap:anywhere}@media(max-width:760px){.prompt-map-groups{grid-template-columns:1fr}}