:root {
  --bg: #0a0910;
  --bg-2: #13111c;
  --card: #1a1725;
  --text: #f5f1ea;
  --muted: #b3aac0;
  --gold: #e3c27a;
  --gold-2: #b88a3e;
  --accent: #e3c27a;
  --purple: #7a4dff;
  --pink: #ff4fa3;
  --line: #2e2940;
  --radius: 14px;
}
h1, h2, h3 { letter-spacing: .3px; }
.gold { background: linear-gradient(180deg, #f8e3ad, var(--gold) 45%, var(--gold-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans TC", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(11,10,18,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { font-weight: 800; font-size: 1.25rem; color: var(--text); letter-spacing: .5px; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a.active, .nav a:hover { color: var(--text); text-decoration: none; }
.lang-switch { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: .85rem; }
.menu-btn { display: none; background: none; border: 0; color: var(--text); font-size: 1.5rem; cursor: pointer; }
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--bg-2); padding: 16px; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
}

/* hero */
.hero { padding: 72px 0; background: radial-gradient(ellipse at top left, rgba(122,77,255,.28), transparent 60%), radial-gradient(ellipse at bottom right, rgba(227,194,122,.14), transparent 55%); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.split img, .shot { border-radius: var(--radius); border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.badge { border: 1px solid rgba(227,194,122,.4); color: var(--gold); border-radius: 999px; padding: 4px 12px; font-size: .85rem; }
.feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.feat { text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 12px; }
.feat b { display: block; font-size: 1.6rem; color: var(--gold); line-height: 1.2; }
.feat span { color: var(--muted); font-size: .9rem; }
.specs { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
.specs th, .specs td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 34%; color: var(--gold); font-weight: 600; }
.specs tr:last-child th, .specs tr:last-child td { border-bottom: 0; }
.card ul { color: var(--muted); padding-left: 18px; margin: 8px 0 0; }
.gallery { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.gallery img { border-radius: var(--radius); border: 1px solid var(--line); width: 100%; }
.price { font-size: 1.1rem; color: var(--gold); font-weight: 700; }
.band { background: linear-gradient(90deg, rgba(122,77,255,.18), rgba(255,79,163,.12)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; margin: 0 0 16px; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 640px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; border: 1px solid var(--line); color: var(--text); }
.btn.primary { background: linear-gradient(180deg, #f3d99a, var(--gold-2)); border: 0; color: #1a1206; }
.btn.purple { background: linear-gradient(90deg, var(--purple), var(--pink)); border: 0; color: #fff; }
.btn:hover { text-decoration: none; opacity: .9; }

/* sections */
section { padding: 64px 0; }
section h2 { font-size: 1.8rem; margin: 0 0 8px; }
.lead { color: var(--muted); margin: 0 0 32px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
a.card { display: block; color: var(--text); transition: border-color .2s; }
a.card:hover { text-decoration: none; border-color: var(--gold-2); }
.card h3 { margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; }
.tag { display: inline-block; font-size: .75rem; padding: 2px 10px; border-radius: 999px; background: rgba(227,194,122,.14); color: var(--gold); margin-bottom: 10px; }

/* forms */
form { display: grid; gap: 14px; max-width: 560px; }
label { font-size: .9rem; color: var(--muted); }
input, select, textarea { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); color: var(--text); font: inherit; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }