:root{--ink: #14181d;--ink-soft: #3a434d;--muted: #6b7682;--line: #e2e6ea;--bg: #ffffff;--bg-alt: #f5f7f9;--accent: #ee6a1c;--accent-ink: #b35311;--steel: #1f2a35;--maxw: 1120px;--radius: 6px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans TC,Microsoft JhengHei,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin-inline:auto;padding-inline:20px}.site-header{background:var(--steel);color:#fff;border-bottom:3px solid var(--accent)}.site-header .container{display:flex;align-items:center;gap:28px;min-height:64px;flex-wrap:wrap}.brand{display:inline-flex;align-items:center}.brand:hover{text-decoration:none}.brand-logo{display:block;height:54px;width:auto}.site-nav{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto;font-size:15px}.site-nav a{color:#d6dde3}.site-nav a:hover{color:#fff;text-decoration:none}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:#fff;padding:.5rem .9rem;border-radius:0 0 var(--radius) 0}.skip-link:focus{left:0}.nav-toggle{display:none;margin-left:auto;flex-direction:column;gap:4px;background:none;border:0;padding:8px;cursor:pointer}.nav-toggle span{width:22px;height:2px;background:#fff}@media(max-width:760px){.nav-toggle{display:flex}.site-nav{flex-basis:100%;flex-direction:column;gap:0;margin-left:0;display:none}.site-nav.open{display:flex}.site-nav a{padding:.6rem 0;border-top:1px solid rgba(255,255,255,.12)}}main{min-height:60vh;padding-block:40px 64px}main h1{font-size:2rem;line-height:1.2;margin:0 0 .6em}main h2{font-size:1.3rem;margin:1.8em 0 .5em;color:var(--ink-soft)}main p{margin:0 0 1em;max-width:68ch}.source-link{font-size:13px;color:var(--muted);margin-top:2.5rem;border-top:1px solid 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span[aria-hidden]{margin:0 .4em}.product-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;border-bottom:2px solid var(--line);padding-bottom:1rem;margin-bottom:1.5rem}.product-head h1{margin:0}.cta{display:flex;gap:.6rem;flex-wrap:wrap}.btn{display:inline-block;padding:.55rem 1.1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-alt);color:var(--ink);font-weight:600;font-size:14px}.btn:hover{border-color:var(--muted);color:var(--ink)}.btn-primary{background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}.btn-primary:hover{background:#8f400c;border-color:#8f400c;color:#fff}.product-downloads{margin-top:2.5rem}.muted{color:var(--muted);font-size:14px}.dl-search{width:100%;max-width:360px;padding:.55rem .8rem;border:1px solid var(--line);border-radius:var(--radius);font-size:15px;margin:.5rem 0 1.25rem}.dl-table{width:100%;border-collapse:collapse;font-size:14px}.dl-table th,.dl-table 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var(--line);border-radius:var(--radius);font:inherit;resize:vertical}.ask-form button{align-self:flex-start}.ask-answer{max-width:720px;white-space:pre-wrap;line-height:1.55;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem}.ask-sources{margin:.8rem 0 0;padding-left:1.1rem;font-size:14px}.admin-form{display:grid;gap:.7rem;max-width:460px;margin:0 0 1.5rem}.admin-form label{display:flex;flex-direction:column;gap:.25rem;font-size:14px;font-weight:600;color:var(--ink-soft)}.admin-form input,.admin-form select{padding:.45rem .6rem;border:1px solid var(--line);border-radius:var(--radius);font:inherit;font-weight:400}.admin-form button{justify-self:start}.hero-cta{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.2rem}.home-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-top:3rem;padding:1.5rem;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius)}.home-band h2{margin:0 0 .3rem}.home-band p{margin:0}.home-band-cta{display:flex;gap:.6rem;flex-wrap:wrap}.hero-photo{background:linear-gradient(#14181dbd,#14181dbd),var(--hero-img) center / cover no-repeat;border-bottom:3px solid var(--accent)}.hero-photo h1,.hero-photo .lead{color:#fff}.cat-img{display:block;width:calc(100% + 40px);height:175px;object-fit:cover;margin:-18px -20px 14px;border-radius:var(--radius) var(--radius) 0 0;background:var(--bg-alt)}.cat-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;margin-bottom:12px;border-radius:var(--radius);background:#ee6a1c1a;color:var(--accent)}.cat-icon svg{width:26px;height:26px}.cat-thumb{display:block;width:calc(100% + 40px);height:150px;object-fit:cover;margin:-18px -20px 12px;border-radius:var(--radius) var(--radius) 0 0;background:var(--bg-alt)}.thumb-ph.cat-thumb span{font-size:13px}.nav-item{position:relative;display:inline-flex;align-items:center}.nav-caret{font-size:10px;opacity:.8}.nav-dropdown{display:none;position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:0 0 var(--radius) var(--radius);box-shadow:0 10px 28px #14181d2e;padding:6px 0;z-index:60}.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{display:block}.nav-dropdown a{display:block;padding:9px 18px;color:var(--ink);font-size:14px;white-space:nowrap}.nav-dropdown a:hover{background:var(--bg-alt);color:var(--accent);text-decoration:none}@media(max-width:760px){.nav-item{display:block}.nav-dropdown{position:static;display:block;box-shadow:none;border:0;background:transparent;padding:0 0 0 14px;min-width:0}.nav-dropdown a{color:#aeb7bf;padding:.5rem 0}.nav-caret{display:none}}.cat-more{display:inline-block;margin-top:8px;color:var(--accent);font-size:13px;font-weight:600}.chip-row{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 1rem}.chip{border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:14px;color:var(--ink-soft);background:var(--bg-alt)}.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px}.steps li{display:flex;gap:14px;align-items:flex-start}.step-n{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-size:15px}.steps p{margin:2px 0 0;color:var(--muted);font-size:14px}.has-mega{position:relative}.nav-mega{display:none;position:absolute;top:100%;left:0;background:#fff;border-top:3px solid var(--accent);border-radius:0 0 var(--radius) var(--radius);box-shadow:0 14px 36px #14181d38;z-index:60}.has-mega:hover .nav-mega,.has-mega:focus-within 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1.2fr;gap:2.5rem;align-items:start;margin-top:1rem}.contact-info p{margin:0 0 1rem}.contact-form{border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.5rem;background:var(--bg-alt)}.contact-form label{display:block;font-size:14px;font-weight:600;color:var(--ink-soft);margin-bottom:.9rem}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:4px;padding:.5rem .7rem;border:1px solid var(--line);border-radius:var(--radius);font:inherit;font-size:15px}.contact-note{margin-top:.6rem}@media(max-width:760px){.contact-grid{grid-template-columns:1fr;gap:1.5rem}}