/* 认证虎系统 - 响应式样式（移动优先） */
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --success:#16a34a;
  --warning:#d97706;
  --danger:#dc2626;
  --radius:10px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5;font-size:15px;
  -webkit-text-size-adjust:100%;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* 顶部导航 */
.topnav{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:flex;align-items:center;flex-wrap:wrap;
  padding:0 16px;height:56px;position:relative;box-shadow:var(--shadow);
}
.topnav .brand{font-size:17px;font-weight:600;margin-right:auto}
.topnav .brand a{color:#fff;text-decoration:none}
.topnav .nav-links{display:flex;align-items:center;gap:6px}
.topnav .nav-links a{
  color:#e0e7ff;padding:8px 12px;border-radius:6px;font-size:14px;white-space:nowrap;
}
.topnav .nav-links a:hover{background:rgba(255,255,255,.15);text-decoration:none}
.topnav .nav-user{color:#fff;font-size:13px;opacity:.9;padding:0 8px}
.nav-toggle{
  display:none;background:rgba(255,255,255,.15);border:0;color:#fff;
  font-size:20px;width:40px;height:40px;border-radius:6px;cursor:pointer;margin-right:8px;
}

/* 容器 */
.container{max-width:960px;margin:0 auto;padding:16px;width:100%}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:var(--shadow)}
.card h2{margin:0 0 14px;font-size:18px}
.card h3{margin:0 0 10px;font-size:15px;color:var(--muted)}

/* 栅格 */
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* 统计卡片 */
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.stat .num{font-size:26px;font-weight:700;color:var(--primary)}
.stat .label{font-size:13px;color:var(--muted);margin-top:2px}

/* 表单 */
.form-group{margin-bottom:14px}
.form-group label{display:block;margin-bottom:5px;font-weight:500;font-size:14px}
.form-control{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--text);
  -webkit-appearance:none;
}
.form-control:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
textarea.form-control{min-height:90px;resize:vertical}
.form-hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.form-row .form-group{flex:1;min-width:140px}

/* 按钮 */
.btn{
  display:inline-block;padding:10px 18px;border:0;border-radius:8px;font-size:15px;
  font-family:inherit;cursor:pointer;text-decoration:none;line-height:1.2;text-align:center;
  transition:.15s;
}
.btn:hover{text-decoration:none;opacity:.92}
.btn-primary{background:var(--primary);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-secondary{background:#e5e7eb;color:#374151}
.btn-sm{padding:6px 10px;font-size:13px}
.btn-block{display:block;width:100%}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}
th{background:#f9fafb;font-weight:600;color:#374151;white-space:nowrap}
tr:last-child td{border-bottom:0}

/* 状态标签 */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:500}
.st-active{background:#dcfce7;color:#166534}
.st-expiring{background:#fef3c7;color:#92400e}
.st-expired{background:#fee2e2;color:#991b1b}
.st-disabled{background:#f3f4f6;color:#6b7280}

/* 认证码展示 */
.code-box{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:#0f172a;color:#93c5fd;padding:8px 12px;border-radius:8px;
  font-size:14px;letter-spacing:1px;display:inline-block;word-break:break-all;
}

/* 提示 */
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}

/* 页脚 */
.footer{text-align:center;padding:20px 16px;color:var(--muted);font-size:13px}

/* 正版认证标识（客户端 SDK 用，也兼容系统内展示） */
.rz-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;font-size:13px;font-weight:600;
  box-shadow:0 2px 6px rgba(22,163,74,.3);
}
.rz-badge.expired{background:linear-gradient(135deg,#dc2626,#b91c1c)}
.rz-badge svg{width:16px;height:16px;fill:currentColor}

.text-center{text-align:center}
.text-muted{color:var(--muted)}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.mono{font-family:Consolas,monospace}
.copy-btn{cursor:pointer;border:1px solid var(--border);background:#f9fafb;border-radius:6px;padding:4px 8px;font-size:12px}
.copy-btn:hover{background:#eff6ff}

/* 移动端 */
@media (max-width:720px){
  .nav-toggle{display:block}
  .topnav .nav-links{
    display:none;flex-direction:column;align-items:stretch;width:100%;
    position:absolute;top:56px;left:0;background:var(--primary-dark);
    padding:8px;z-index:50;gap:2px;
  }
  .topnav .nav-links.open{display:flex}
  .topnav .nav-links a{padding:12px;border-radius:6px}
  .topnav .nav-user{padding:8px 12px;border-top:1px solid rgba(255,255,255,.15)}
  .topnav .brand{margin-right:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .container{padding:12px}
  .card{padding:14px}
  .btn{padding:11px 16px}
}
@media (max-width:420px){
  body{font-size:14px}
  .stat .num{font-size:22px}
}

/* 滑动验证 */
.slide-captcha{margin-bottom:14px;user-select:none;-webkit-user-select:none}
.sc-track{
  position:relative;height:42px;background:#f3f4f6;border:1px solid var(--border);
  border-radius:8px;overflow:hidden;
}
.sc-progress{position:absolute;left:0;top:0;height:100%;width:42px;background:linear-gradient(90deg,#dbeafe,#bfdbfe);transition:width .05s}
.sc-hint{
  position:absolute;left:0;right:0;top:0;bottom:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--muted);pointer-events:none;
}
.sc-slider{
  position:absolute;left:0;top:0;width:42px;height:42px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:grab;border-radius:8px;
  box-shadow:0 1px 3px rgba(0,0,0,.2);touch-action:none;
}
.sc-slider.sc-grabbing{cursor:grabbing}
.sc-slider:focus{outline:0;box-shadow:0 0 0 3px rgba(37,99,235,.3)}
.sc-slider:before{content:"⇒";font-size:18px;font-weight:700}
.slide-captcha.sc-done .sc-progress{background:linear-gradient(90deg,#dcfce7,#bbf7d0)}
.slide-captcha.sc-done .sc-slider{background:var(--success)}
.slide-captcha.sc-done .sc-hint{color:#166534}
.sc-hint.sc-warn{color:var(--danger)}
button.disabled-by-sc{opacity:.5;cursor:not-allowed}