:root{--bg:#0b0820;--bg2:#120d2e;--card:#17123a;--line:rgba(255,255,255,.09);--text:#eceaf6;--muted:#a9a4c7;--accent:#8b5cf6;--accent2:#22d3ee;--grad:linear-gradient(135deg,#8b5cf6 0%,#22d3ee 100%);--r:18px;--max:1160px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans TC",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,8,32,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:.02em}
.brand img{height:30px;width:auto}
.brand span{font-size:.8rem;color:var(--muted);font-weight:500;border-left:1px solid var(--line);padding-left:10px}
.brand:hover{text-decoration:none}
.nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.nav ul a{color:var(--muted);font-size:.93rem;font-weight:500;padding:8px 12px;border-radius:10px}
.nav ul a:hover,.nav ul a[aria-current=page]{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none}
.nav ul a.btn{color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 12px;font-size:1rem;cursor:pointer}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;font-weight:600;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;font-size:.98rem;box-shadow:0 8px 30px rgba(139,92,246,.35)}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.25);box-shadow:none}
.nav .btn{padding:9px 18px}
/* hero */
.hero{position:relative;overflow:hidden;padding:96px 0 80px}
.hero::before{content:"";position:absolute;inset:-30% -10% auto auto;width:720px;height:720px;background:radial-gradient(circle,rgba(139,92,246,.35),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);margin-bottom:16px}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.06;letter-spacing:-.02em;font-weight:800}
h1 .g,h2 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.18rem;color:var(--muted);margin:22px 0 32px;max-width:560px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.5);aspect-ratio:1/1}
.hero-media img{width:100%;height:100%;object-fit:cover}
.note{font-size:.85rem;color:var(--muted);margin-top:18px}
/* sections */
section{padding:84px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.15;letter-spacing:-.01em;font-weight:800;margin-bottom:14px}
h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head p{color:var(--muted);font-size:1.08rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative}
.card p{color:var(--muted)}
.card.media{padding:0;overflow:hidden}
.card.media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.card.media .body{padding:24px 26px 28px}
.step-num{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:14px;font-size:.95rem}
.loop-line{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin:6px 0 40px;font-weight:700;font-size:1.1rem}
.loop-line .pill{padding:8px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04)}
.loop-line .arr{color:var(--accent2)}
.placeholder{border:2px dashed rgba(255,255,255,.18);border-radius:var(--r);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;color:var(--muted);background:rgba(255,255,255,.02)}
.placeholder strong{color:var(--text);margin-bottom:6px}
.tag{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:rgba(34,211,238,.12);color:var(--accent2);margin-bottom:12px}
.price-card{text-align:center;padding:40px 28px}
.price-card .soon{font-size:1.6rem;font-weight:800;margin:10px 0}
.list{list-style:none;display:grid;gap:10px;margin:16px 0}
.list li{padding-left:26px;position:relative;color:var(--muted)}
.list li::before{content:"";position:absolute;left:4px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--grad)}
.band{background:var(--grad);border-radius:28px;padding:56px;text-align:center;color:#fff}
.band h2{color:#fff}
.band p{opacity:.92;margin:8px auto 26px;max-width:600px}
.band .btn{background:#fff;color:#1a1240;box-shadow:none}
/* page hero */
.page-hero{padding:72px 0 56px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.page-hero .wrap{position:relative}
.page-hero p{color:var(--muted);max-width:680px;font-size:1.1rem;margin-top:12px}
.subnav{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.subnav a{font-size:.88rem;color:var(--text);padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04)}
.subnav a:hover{text-decoration:none;border-color:var(--accent2)}
/* table */
.tbl{width:100%;border-collapse:collapse;font-size:.96rem}
.tbl th,.tbl td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.person{display:flex;gap:24px;align-items:flex-start}
.person img{width:120px;height:120px;border-radius:16px;object-fit:cover;flex:none}
.role{color:var(--accent2);font-weight:600;margin-bottom:10px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 16px}
.kv dt{color:var(--muted)}
.disclaimer{font-size:.86rem;color:var(--muted);line-height:1.7}
.legal h2{font-size:1.3rem;margin-top:30px}
.legal p,.legal li{color:var(--muted);margin-top:8px}
.legal ul{padding-left:20px}
.notice{border:1px solid rgba(250,204,21,.35);background:rgba(250,204,21,.07);color:#fde68a;border-radius:12px;padding:14px 18px;font-size:.92rem;margin-bottom:24px}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:56px 0 34px;background:#080618;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}
.site-footer ul{list-style:none;display:grid;gap:8px}
.site-footer a{color:var(--text);opacity:.85}
.site-footer p{color:var(--muted)}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.84rem}
/* responsive */
@media (max-width:960px){
 .hero-grid,.grid2{grid-template-columns:1fr}
 .grid3{grid-template-columns:1fr 1fr}
 .foot-grid{grid-template-columns:1fr 1fr}
 .hero{padding:64px 0 56px}
 .hero-media{max-width:520px}
}
@media (max-width:760px){
 .menu-btn{display:block}
 .nav ul{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:#0e0a28;border-bottom:1px solid var(--line);padding:12px 16px 18px;gap:2px}
 .nav ul.open{display:flex}
 .nav ul a{display:block;padding:12px}
 .nav ul a.btn{justify-content:center;margin-top:8px}
 .grid3{grid-template-columns:1fr}
 section{padding:60px 0}
 .band{padding:40px 22px}
 .person{flex-direction:column}
 .kv{grid-template-columns:1fr}
 .kv dt{margin-top:8px}
 .brand span{display:none}
 .tbl thead{display:none}
 .tbl tr{display:block;border-bottom:1px solid var(--line);padding:10px 0}
 .tbl td{display:block;border:0;padding:4px 0}
}
/* studio */
.studio-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:start}
.fld{display:block;margin-bottom:16px}
.fld span{display:block;font-size:.85rem;font-weight:600;color:var(--muted);margin-bottom:6px}
.fld textarea,.fld select{width:100%;background:#0f0b2a;border:1px solid rgba(255,255,255,.15);border-radius:12px;color:var(--text);font:inherit;padding:12px 14px}
.fld textarea{resize:vertical;min-height:140px}
.fld textarea:focus,.fld select:focus{outline:2px solid var(--accent);border-color:transparent}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.coming-soon{text-align:center;padding:20px 8px}
.coming-soon p{max-width:520px;margin:0 auto}
.linkbtn{background:none;border:0;color:var(--accent2);cursor:pointer;font:inherit}
[hidden]{display:none!important}
@media (max-width:960px){.studio-grid{grid-template-columns:1fr}}
@media (max-width:520px){.fld-row{grid-template-columns:1fr}}
/* tutorials */
.tut-list{display:grid;gap:22px}
.vid-row{display:grid;grid-template-columns:1fr;gap:18px;margin-top:10px;max-width:960px}
.vid{margin:0}
.vid video{width:100%;aspect-ratio:16/9;border-radius:12px;background:#000 linear-gradient(135deg,rgba(139,92,246,.35),rgba(34,211,238,.25));border:1px solid var(--line);display:block}
.vid figcaption{font-size:.88rem;color:var(--muted);margin-top:8px}
@media (max-width:760px){.vid-row{grid-template-columns:1fr}}
@media (max-width:1180px){
 .menu-btn{display:block}
 .nav ul{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:#0e0a28;border-bottom:1px solid var(--line);padding:12px 16px 18px;gap:2px}
 .nav ul.open{display:flex}
 .nav ul a{display:block;padding:12px}
 .nav ul a.btn{justify-content:center;margin-top:8px}
}

/* Examples: YouTube embeds */
.yt-card{display:flex;flex-direction:column}
.yt-embed{position:relative;width:100%;aspect-ratio:16/9;background:#000 linear-gradient(135deg,rgba(139,92,246,.35),rgba(34,211,238,.25));border-bottom:1px solid var(--line)}
.yt-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.yt-card h3{font-size:1.12rem;margin-bottom:6px}
.yt-link{display:inline-block;margin-top:12px;font-weight:600;font-size:.92rem}
.grid-ex{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:760px){.grid-ex{grid-template-columns:1fr}}