:root{--bg:#0d151d;--panel:#15222c;--panel2:#1a2a35;--text:#f4f7f9;--muted:#aebbc6;--line:#2b3b48;--blue:#1475e1;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0d151d;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;line-height:1.72}a{color:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(13,21,29,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{min-height:72px;display:flex;align-items:center;gap:28px}.logo-link{text-decoration:none;display:flex;align-items:center;flex:0 0 auto}.brand-wordmark{font-size:28px;font-weight:900;font-style:italic;letter-spacing:-.04em}.neutral-logo{font-weight:850;letter-spacing:.02em}.nav-links{display:flex;gap:24px;margin-left:auto}.nav-links a{text-decoration:none;color:#d4dde4;font-size:15px;font-weight:700}.nav-links a:hover,.nav-links a.active{color:#fff}.menu-btn{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);color:#fff;border-radius:8px;padding:7px 10px;font-size:18px}.hero{padding:64px 0 44px}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.08;letter-spacing:-.035em;margin:0 0 20px}.hero-copy{max-width:850px}.hero-copy>p{font-size:18px;color:#c5d0d8}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:9px;padding:12px 18px;font-weight:800;border:1px solid transparent}.btn.primary{background:var(--blue);color:#fff}.btn.ghost{border-color:#3c4d5b;background:#121d25;color:#fff}.disclaimer{font-size:13px!important;color:#8f9eaa!important;margin-top:16px}.hero-image{margin:34px 0 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#111c24}.hero-image img{display:block;width:100%;height:auto}.section{padding:58px 0}.section.alt{background:#111b24;border-top:1px solid rgba(255,255,255,.035);border-bottom:1px solid rgba(255,255,255,.035)}.section h2{font-size:clamp(28px,3vw,40px);line-height:1.2;margin:0 0 14px;letter-spacing:-.02em}.section h3{font-size:22px;line-height:1.3}.section-lead{color:#b8c4cd;max-width:850px;margin:0 0 26px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);gap:38px;align-items:center}.split.reverse .copy{order:2}.split.reverse .visual{order:1}.content-image{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#111c24}.content-image img{display:block;width:100%;height:auto}.content-image figcaption{padding:11px 14px;color:#94a4af;font-size:13px}.wide-image{margin:28px 0}.wide-image img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid var(--line)}.fact-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#121d26}.fact-table th,.fact-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.fact-table tr:last-child th,.fact-table tr:last-child td{border-bottom:0}.fact-table th{width:30%;background:#172530}.fact-table td{color:#c1cbd3}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{background:#15222c;border:1px solid var(--line);border-radius:14px;padding:21px}.card h3{margin:0 0 8px}.card p{margin:0;color:#b8c3cb}.article{padding:54px 0 70px}.article-shell{display:grid;grid-template-columns:minmax(0,800px) 250px;gap:42px;align-items:start}.article h1{font-size:clamp(36px,5vw,54px);line-height:1.12;margin:0 0 18px;letter-spacing:-.03em}.article h2{font-size:29px;line-height:1.25;margin:42px 0 12px}.article h3{font-size:21px;margin:28px 0 8px}.article p,.article li{color:#c6d0d7}.article ul,.article ol{padding-left:24px}.article .content-image{margin:22px 0 30px}.toc{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:18px}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;text-decoration:none;color:#9facb7;padding:6px 0;font-size:14px}.toc a:hover{color:#fff}.breadcrumb{font-size:13px;color:#7f8f9b;margin-bottom:18px}.breadcrumb a{text-decoration:none;color:#aab8c3}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:800}.faq p{margin:9px 0 0;color:#bcc8d0}.bonus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0 30px}.bonus-card{background:#15222c;border:1px solid var(--line);border-radius:14px;overflow:hidden}.bonus-card img{display:block;width:100%;aspect-ratio:1200/630;object-fit:cover}.bonus-card .body{padding:16px}.bonus-card h3{margin:0 0 7px}.bonus-card p{margin:0;color:#aebbc5;font-size:14px}.site-footer{border-top:1px solid var(--line);padding:34px 0 24px;background:#091017}.footer-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:30px}.footer-copy{color:#82909c;font-size:13px;max-width:620px}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a{text-decoration:none;color:#bbc6ce;font-size:14px}.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid #1f2b34;color:#71808b;font-size:12px}.form{display:grid;gap:14px;max-width:650px}.form label{font-weight:700}.form input,.form textarea{width:100%;background:#101920;color:#fff;border:1px solid #334452;border-radius:9px;padding:12px 13px;font:inherit}.form textarea{min-height:150px;resize:vertical}.small{font-size:13px;color:#8f9ca8}.plain-note{color:#c6d0d7;margin:0 0 24px}.plain-note.warning{color:#d9c79b}
@media(max-width:980px){.split,.split.reverse,.article-shell{grid-template-columns:1fr}.split.reverse .copy,.split.reverse .visual{order:initial}.toc{position:static;order:-1;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px}.grid-4{grid-template-columns:1fr 1fr}.grid-3,.bonus-grid{grid-template-columns:1fr}.nav-links{display:none;position:absolute;left:20px;right:20px;top:70px;flex-direction:column;background:#111b24;border:1px solid var(--line);border-radius:12px;padding:14px}.nav-links.open{display:flex}.nav-links a{padding:7px 5px}.menu-btn{display:block}}
@media(max-width:620px){.wrap{width:min(100% - 28px,var(--max))}.grid-4,.grid-2{grid-template-columns:1fr}.hero{padding-top:44px}.hero h1{font-size:40px}.footer-grid{flex-direction:column}.fact-table th,.fact-table td{display:block;width:100%}.fact-table th{border-bottom:0;padding-bottom:6px}.fact-table td{padding-top:6px}}

.nav-play-cta{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:var(--blue);color:#fff!important;border-radius:10px;padding:9px 15px!important;font-weight:800!important;white-space:nowrap}.nav-play-cta:hover{background:var(--blue2);color:#fff!important}.play-cta-block{margin:40px 0 10px;padding:22px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#18232e,#141d26);display:flex;align-items:center;justify-content:space-between;gap:20px}.play-cta-block p{margin:0!important;color:#f4f7fa!important;font-weight:800;font-size:18px}.play-btn{flex:0 0 auto}@media(max-width:900px){.nav-play-cta{width:100%;margin-top:4px}.play-cta-block{align-items:flex-start;flex-direction:column}}

/* Header alignment + official archive wordmark */
.brand-logo{display:block;width:76px;height:auto;max-height:38px;object-fit:contain}
.nav-links{align-items:center}
.nav-links>a{display:inline-flex;align-items:center;justify-content:center;height:44px;line-height:1.2}
.nav-play-cta{height:44px;padding:0 16px!important;align-self:center}
@media(max-width:980px){
  .nav-links{align-items:stretch}
  .nav-links>a{height:auto;min-height:42px;justify-content:flex-start}
  .nav-play-cta{height:44px;justify-content:center}
}

/* Performance optimizations */
img{max-width:100%}
.section{content-visibility:auto;contain-intrinsic-size:1px 620px}
@media(max-width:980px){.site-header{backdrop-filter:none;background:#0d151d}}