/* 提现手续费计算 —— 深夜蓝主题（与 tools-theme 同视觉体系），自包含 */
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, #0f172a 0%, #1e293b 60%, #0f172a 100%);
  color: #f1f5f9;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

/* 顶栏 */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(2, 6, 23, 0.45);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}
.topbar .back { color: #7dd3fc; text-decoration: none; font-size: 14px; white-space: nowrap; }
.topbar .back:hover { text-decoration: underline; }
.topbar .brand { flex: 1; font-size: 16px; font-weight: 600; }
.topbar .user { color: #94a3b8; font-size: 13px; }

.wrap { max-width: 1000px; margin: 28px auto 60px; padding: 0 20px; }

/* 未授权门禁卡 */
.gate-card {
  background: rgba(30, 41, 59, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 14px;
  padding: 46px 30px;
  text-align: center;
}
.gate-icon { font-size: 3em; margin-bottom: 10px; }
.gate-card h2 { margin: 0 0 12px; color: #f1f5f9; }
.gate-card p { color: #94a3b8; margin: 6px 0; }
.gate-card .muted { font-size: 0.9em; color: #64748b; }
.buy-btn {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 30px;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #7dd3fc;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
}
.buy-btn:hover { background: rgba(56, 189, 248, 0.26); }

/* 工具面板 */
.tool-card {
  background: rgba(30, 41, 59, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 14px;
  padding: 20px 22px;
}
.tool-hint { font-size: 13px; color: #94a3b8; margin-bottom: 14px; }

.coord-wrap { display: flex; gap: 20px; margin-top: 4px; align-items: flex-start; flex-wrap: wrap; }
.coord-control {
  width: 300px;
  flex-shrink: 0;
  background: rgba(2, 6, 23, 0.32);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 16px;
}
.coord-row { margin: 11px 0; }
.coord-row label { display: block; font-size: 13px; color: #94a3b8; margin-bottom: 4px; }
.coord-row input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: 6px;
  font-size: 15px;
  box-sizing: border-box;
  background: rgba(2, 6, 23, 0.45);
  color: #f1f5f9;
}
.tool-btn {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #7dd3fc;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
}
.tool-btn:hover { background: rgba(56, 189, 248, 0.26); }

.rule-side { flex: 1; min-width: 320px; }
.rule-box {
  background: rgba(2, 6, 23, 0.32);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 18px 20px;
}
.rule-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.rule-body { font-size: 13px; color: #94a3b8; line-height: 2; }

#wdResult {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.9;
  background: rgba(2, 6, 23, 0.32);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 8px;
  padding: 10px 12px;
  white-space: nowrap;
  color: #e2e8f0;
}
#wdResult b { color: #7dd3fc; }