:root{--bg:#0B1017;--s1:#111923;--s2:#16202C;--line:#223041;--ink:#E6EDF3;--mute:#9FB0C0;--faint:#6F8193;--acc:#22D3EE;--pu:#A78BFA;--warn:#F5B94A}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.7}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:rgba(11,16,23,.9);position:sticky;top:0;z-index:5;backdrop-filter:blur(8px)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:.02em}
.brand img{width:30px;height:30px;border-radius:8px}
nav.links a{color:var(--mute);margin-left:18px;font-size:15px}
nav.links a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--acc);color:#0B1017;font-weight:800;padding:13px 26px;border-radius:12px;font-size:17px}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.hero{padding:64px 0 40px;text-align:center}
.hero img.logo{width:88px;height:88px;border-radius:20px}
.hero h1{font-size:44px;line-height:1.25;margin:18px 0 8px;font-weight:900}
.hero .tag{font-size:20px;color:var(--mute);margin:0 0 26px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero .badges{margin-top:22px;color:var(--faint);font-size:14px}
.shots{display:flex;gap:18px;justify-content:center;overflow-x:auto;padding:24px 4px 8px;scroll-snap-type:x mandatory}
.shots figure{margin:0;flex:0 0 220px;scroll-snap-align:center;text-align:center}
.shots img{width:220px;border-radius:22px;border:1px solid var(--line);display:block}
.shots figcaption{color:var(--mute);font-size:14px;margin-top:8px}
h2.sec{font-size:28px;text-align:center;margin:64px 0 24px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--s1);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h3{margin:0 0 6px;font-size:19px}
.card p{margin:0;color:var(--mute);font-size:15.5px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.steps .card h3::before{counter-increment:s;content:counter(s);display:inline-flex;width:28px;height:28px;border-radius:8px;background:var(--acc);color:#0B1017;align-items:center;justify-content:center;font-size:15px;margin-right:8px}
.note{color:var(--faint);font-size:14px}
footer{border-top:1px solid var(--line);margin-top:72px;padding:28px 0 40px;color:var(--faint);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--mute);margin-right:16px}
/* 文件頁 */
.doc{max-width:760px;margin:0 auto;padding:40px 20px 0}
.doc h1{font-size:32px;margin:0 0 4px}
.doc .meta{color:var(--faint);font-size:14px;margin:0 0 28px}
.doc h2{font-size:21px;margin:36px 0 10px;padding-top:6px;border-top:1px solid var(--line)}
.doc h3{font-size:17px;margin:22px 0 6px}
.doc p,.doc li{color:#C9D4DE;font-size:16px}
.doc ul{padding-left:22px}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}
.doc th,.doc td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top;color:#C9D4DE}
.doc th{color:var(--ink);font-weight:700}
.lang{display:inline-flex;gap:6px;margin-bottom:18px}
.lang a{padding:4px 12px;border:1px solid var(--line);border-radius:8px;color:var(--mute);font-size:14px}
.box{background:var(--s1);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:16px 0}
details{background:var(--s1);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0}
details summary{cursor:pointer;font-weight:700;color:var(--ink)}
details p,details li{margin:8px 0 0}
@media (max-width:760px){
 .grid,.steps{grid-template-columns:1fr}
 .hero{padding:44px 0 28px}.hero h1{font-size:34px}.hero .tag{font-size:17px}
 nav.links a{margin-left:12px;font-size:14px}
 .shots{justify-content:flex-start}
 footer .wrap{flex-direction:column}
}