:root {
  --bg: #0b1020;
  --bg2: #121a30;
  --card: #1a2440;
  --card2: #202c4d;
  --line: #2a3658;
  --txt: #e8eefc;
  --sub: #9fb3d1;
  --gold: #ffd56b;
  --blue: #4ea1ff;
  --green: #36d399;
  --red: #ff6b6b;
  --safe: #2bd4a8;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--txt); font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
body { max-width: 480px; margin: 0 auto; min-height: 100vh; padding-bottom: 70px; }
a { color: var(--blue); text-decoration: none; }
input, select, textarea { width: 100%; padding: 12px; background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; color: var(--txt); font-size: 15px; outline: none; }
input:focus, select:focus { border-color: var(--blue); }
button, .btn { width: 100%; padding: 13px; border: none; border-radius: 10px; font-size: 16px; font-weight: 600; cursor: pointer; background: linear-gradient(135deg, #ffd56b, #ff9f43); color: #1a1206; margin-top: 10px; }
button.ghost { background: var(--card2); color: var(--txt); border: 1px solid var(--line); }
button.blue { background: linear-gradient(135deg, #4ea1ff, #2b6cff); color: #fff; }
.btn-row { display: flex; gap: 10px; }
.btn-row button { margin-top: 10px; }
.wrap { padding: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 16px; color: var(--gold); }
.sub { color: var(--sub); font-size: 13px; line-height: 1.5; }
.muted { color: var(--sub); font-size: 12px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; background: var(--card2); color: var(--sub); margin: 2px 4px 2px 0; }
.tag.green { background: rgba(54,211,153,.15); color: var(--green); }
.tag.blue { background: rgba(78,161,255,.15); color: var(--blue); }
.tag.gold { background: rgba(255,213,107,.15); color: var(--gold); }
.price { font-size: 26px; font-weight: 800; color: var(--gold); }
.old { color: var(--sub); text-decoration: line-through; font-size: 14px; margin-left: 6px; }
.nav { position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 480px; display: flex; background: var(--bg2); border-top: 1px solid var(--line); }
.nav a { flex: 1; text-align: center; padding: 8px 0; color: var(--sub); font-size: 12px; }
.nav a.active { color: var(--gold); }
.nav a span { display: block; font-size: 18px; }
.hero { background: linear-gradient(135deg, #18233f, #0e1530); border-radius: 16px; padding: 22px 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.hero h1 { margin: 0 0 8px; font-size: 22px; color: var(--gold); }
.hero p { margin: 0; color: var(--sub); font-size: 14px; line-height: 1.6; }
.locked { border: 1px dashed var(--gold); color: var(--gold); }
.compliance { margin-top: 16px; padding: 12px; background: rgba(255,213,107,.06); border: 1px solid rgba(255,213,107,.25); border-radius: 10px; color: var(--gold); font-size: 12px; line-height: 1.6; }
.gk-toast { position: fixed; left: 50%; top: 40%; transform: translate(-50%,-50%); background: rgba(0,0,0,.85); color: #fff; padding: 12px 18px; border-radius: 10px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 999; max-width: 80%; text-align: center; }
.gk-toast.show { opacity: 1; }
.chat { background: var(--bg2); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.chat.ai { border-left: 3px solid var(--blue); }
.chat.me { border-left: 3px solid var(--gold); text-align: right; }
.chat .b { text-align: left; white-space: pre-wrap; font-size: 14px; line-height: 1.6; }
.row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: none; }
.row .v { color: var(--gold); font-weight: 600; }
.seg { display: flex; gap: 8px; }
.seg button { flex: 1; }
.seg button.on { outline: 2px solid var(--gold); }
.poster-img { width: 100%; border-radius: 12px; display: block; }
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.7); display: none; align-items: center; justify-content: center; z-index: 500; }
.modal-mask.show { display: flex; }
.modal { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; width: 86%; max-width: 420px; }
.modal h3 { margin: 0 0 12px; color: var(--gold); }