* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: #0f1216;
  color: #e8ecf1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
.wrap { padding: 36px 18px 48px; max-width: 480px; margin: 0 auto; }
.brand { text-align: center; margin-bottom: 6px; }
.h1 { font-size: 18px; font-weight: 600; }
.sub { color: #8a94a3; font-size: 13px; margin-top: 8px; }
.card {
  background: #171b21;
  border: 1px solid #262c35;
  border-radius: 14px;
  padding: 22px 18px 18px;
  margin-top: 22px;
}
.row { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; line-height: 1.6; }
.row + .row { margin-top: 12px; }
.k { color: #8a94a3; flex-shrink: 0; }
.v { text-align: right; flex: 1; word-break: break-all; }
.name { font-size: 16px; font-weight: 700; }
.intro { font-size: 14px; line-height: 1.7; }
.feat { margin-top: 8px; font-size: 13px; color: #8a94a3; line-height: 1.6; }
.sec { color: #8a94a3; font-size: 12px; }
.acct-block { margin-top: 16px; padding-top: 14px; border-top: 1px solid #262c35; }
.acct-radios { display: flex; gap: 20px; margin-top: 10px; }
.acct-opt { display: flex; align-items: center; gap: 6px; font-size: 14px; }
label.acct-opt { cursor: pointer; }
input[type="text"], input[type="tel"], input[type="password"], input[type="email"], input[type="number"] {
  width: 100%;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #10141a;
  border: 1px solid #262c35;
  color: #e8ecf1;
  font-size: 16px;
}
.acct-hint, .hint { margin-top: 8px; font-size: 12px; color: #8a94a3; line-height: 1.5; }
.price {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #262c35;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.lab { color: #8a94a3; font-size: 13px; }
.now { font-size: 28px; font-weight: 800; color: #ff5a4d; }
button {
  width: 100%;
  margin-top: 22px;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  color: #fff;
  background: #ff5a4d;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }
button.secondary { background: #2a3140; margin-top: 10px; }
button.ghost {
  background: transparent;
  border: 2px solid #3d4654;
  color: #c5ccd6;
  margin-top: 10px;
}
button.records {
  margin-top: 18px;
  color: #0f1216;
  background: #e8ecf1;
}
button.admin { margin-top: 24px; color: #8a94a3; font-size: 12px; font-weight: 500; }
.err { margin-top: 12px; font-size: 13px; color: #ff5a4d; text-align: center; }
.ok { margin-top: 12px; text-align: center; color: #3dcc8a; font-size: 14px; }
.item { padding: 12px 0; border-bottom: 1px solid #262c35; font-size: 14px; }
.item .m { color: #8a94a3; margin-top: 4px; font-size: 12px; }
.code-once {
  margin-top: 12px;
  padding: 12px;
  background: #10141a;
  border-radius: 8px;
  font-size: 18px;
  letter-spacing: 2px;
  text-align: center;
  font-weight: 700;
  cursor: pointer;
}
.link { color: #8a94a3; margin-top: 8px; font-size: 12px; cursor: pointer; }
.nav { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; }
.nav a { color: #8a94a3; text-decoration: none; }
.hidden { display: none !important; }