/* FRP 内网穿透面板页面样式 - blank 模式，独立页面，不依赖主题 CSS 变量 */

.frp-page {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --ink: #0f172a;
  --ink-2: #64748b;
  --ink-3: #94a3b8;
  --primary: #0d9488;
  --primary-bright: #14b8a6;
  --primary-strong: #0f766e;
  --primary-soft: #ccfbf1;
  --accent: #0891b2;
  --accent-bright: #06b6d4;
  --success: #22c55e;
  --success-soft: #e8f8f1;
  --warning: #f59e0b;
  --danger: #ef4444;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Consolas, monospace;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(15,27,45,.05);
  --shadow-lg: 0 16px 44px rgba(15,27,45,.10);
}

.frp-page * { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
.frp-page {
  font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.frp-page .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.frp-page a { color: var(--primary); text-decoration: none; }
.frp-page a:hover { text-decoration: underline; }

/* 导航 */
.frp-page nav { position: sticky; top: 0; z-index: 20; background: rgba(243,246,251,.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.frp-page nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.frp-page .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); }
.frp-page .brand-link { display: flex; align-items: center; gap: 10px; color: inherit; }
.frp-page .brand-link:hover { text-decoration: none; color: inherit; }
.frp-page .logo-img { height: 34px; width: auto; }
.frp-page .nav-links { display: flex; gap: 28px; font-size: 14px; }
.frp-page .nav-links a { color: var(--ink-2); font-weight: 500; }
.frp-page .nav-links a:hover { color: var(--primary); text-decoration: none; }
.frp-page .nav-cta { padding: 8px 18px; border-radius: 9px; background: linear-gradient(135deg, var(--primary-bright), var(--accent-bright)); color: #fff; font-weight: 600; font-size: 14px; box-shadow: 0 4px 14px rgba(20,184,166,.22); }
.frp-page .nav-cta:hover { background: linear-gradient(135deg, var(--primary-strong), var(--accent)); color: #fff; text-decoration: none; }

/* Hero */
.frp-page .hero { padding: 88px 0 64px; text-align: center; background:
  radial-gradient(900px 480px at 50% -20%, rgba(20,184,166,.12) 0%, rgba(20,184,166,0) 60%),
  linear-gradient(rgba(15,27,45,.035) 1px, transparent 1px),
  linear-gradient(90deg, rgba(15,27,45,.035) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}
.frp-page .badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 999px; font-size: 13px; color: var(--primary-strong); background: var(--surface); border: 1px solid #b2e5df; font-weight: 600; }
.frp-page .badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 0 rgba(34,197,94,.5); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,.5); }
  70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.frp-page .hero h1 { margin-top: 24px; font-size: 52px; line-height: 1.15; font-weight: 900; letter-spacing: -.5px; }
.frp-page .hero h1 .accent { background: linear-gradient(90deg, var(--primary-bright), var(--accent-bright)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.frp-page .hero p.sub { max-width: 640px; margin: 20px auto 0; font-size: 17px; color: var(--ink-2); }
.frp-page .cta { margin-top: 32px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.frp-page .btn { display: inline-block; padding: 12px 26px; border-radius: 10px; font-size: 15px; font-weight: 600; transition: .18s; }
.frp-page .btn.primary { background: linear-gradient(135deg, var(--primary-bright), var(--accent-bright)); color: #fff; box-shadow: 0 6px 20px rgba(20,184,166,.25); }
.frp-page .btn.primary:hover { background: linear-gradient(135deg, var(--primary-strong), var(--accent)); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(20,184,166,.32); text-decoration: none; }
.frp-page .btn.ghost { background: var(--surface); border: 1px solid var(--border-strong); color: var(--ink); }
.frp-page .btn.ghost:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.frp-page .chips { margin-top: 28px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.frp-page .chip { padding: 7px 14px; border-radius: 999px; font-size: 13px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--border); font-family: var(--mono); }

/* 数据墙 */
.frp-page .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-top: 56px; }
.frp-page .stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow); }
.frp-page .stat .num { font-family: var(--mono); font-size: 32px; font-weight: 700; color: var(--primary); }
.frp-page .stat .lbl { font-size: 13px; color: var(--ink-2); margin-top: 4px; }

/* 区块 */
.frp-page section { padding: 72px 0; }
.frp-page .sec-head { max-width: 640px; margin-bottom: 44px; }
.frp-page .sec-head .kicker { color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: 1.2px; text-transform: uppercase; font-family: var(--mono); }
.frp-page .sec-head h2 { font-size: 32px; font-weight: 800; margin-top: 10px; letter-spacing: -.4px; }
.frp-page .sec-head p { color: var(--ink-2); margin-top: 12px; font-size: 15px; }

/* 分区功能卡 */
.frp-page .feature { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; padding: 48px 0; border-top: 1px solid var(--border); }
.frp-page .feature:first-of-type { border-top: none; }
.frp-page .feature.rev .f-text { order: 2; }
.frp-page .feature.rev .f-visual { order: 1; }
.frp-page .f-visual { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 20px; position: relative; }
.frp-page .f-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.frp-page .f-tag { font-size: 12px; padding: 4px 10px; border-radius: 6px; background: var(--primary-soft); color: var(--primary); font-weight: 600; }

/* UI mock（模拟面板界面） */
.frp-page .mock { font-size: 12px; }
.frp-page .mock .m-head { display: flex; justify-content: space-between; padding: 8px 10px; border-bottom: 1px solid var(--border); font-weight: 700; color: var(--ink); font-family: var(--mono); letter-spacing: .3px; }
.frp-page .mock .m-body { padding: 10px; display: grid; gap: 8px; }
.frp-page .mock .row { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 9px; background: #f8fafc; }
.frp-page .mock .row .k { color: var(--ink-2); }
.frp-page .mock .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.frp-page .dot.g { background: var(--success); } .frp-page .dot.a { background: var(--warning); }
.frp-page .mock .bar { height: 8px; border-radius: 99px; background: var(--primary-soft); overflow: hidden; }
.frp-page .mock .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 99px; }

/* 服务端/客户端 */
.frp-page .apps { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.frp-page .app { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: .2s; }
.frp-page .app:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.frp-page .app-head { padding: 18px 22px; font-weight: 800; font-size: 18px; color: #fff; display: flex; justify-content: space-between; align-items: center; }
.frp-page .app-head .ver { font-size: 12px; font-weight: 600; background: rgba(255,255,255,.2); padding: 3px 10px; border-radius: 999px; font-family: var(--mono); }
.frp-page .app-head.srv { background: linear-gradient(120deg, var(--primary-bright), var(--accent-bright)); }
.frp-page .app-head.cli { background: linear-gradient(120deg, var(--accent), var(--success)); }
.frp-page .app-body { padding: 20px 22px; }
.frp-page .app-body li { list-style: none; font-size: 14px; color: var(--ink-2); padding: 8px 0 8px 26px; position: relative; }
.frp-page .app-body li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 800; }
.frp-page .app-spec { border-top: 1px solid var(--border); padding: 14px 22px; font-size: 13px; color: var(--ink-2); }

/* 快速开始 */
.frp-page .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; }
.frp-page .step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; position: relative; }
.frp-page .step .no { position: absolute; top: -14px; left: 20px; width: 32px; height: 32px; border-radius: 10px; background: linear-gradient(135deg, var(--primary-bright), var(--accent-bright)); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 14px; font-family: var(--mono); box-shadow: 0 6px 16px rgba(20,184,166,.3); }
.frp-page .step h3 { font-size: 16px; margin: 12px 0 8px; }
.frp-page .step p { font-size: 14px; color: var(--ink-2); }
.frp-page code { background: var(--primary-soft); color: var(--primary); padding: 2px 7px; border-radius: 6px; font-size: 13px; font-weight: 600; font-family: var(--mono); }

/* FAQ */
.frp-page details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; margin-bottom: 12px; box-shadow: var(--shadow); }
.frp-page details summary { cursor: pointer; font-weight: 700; font-size: 15px; list-style: none; position: relative; padding-right: 24px; color: var(--ink); }
.frp-page details summary::-webkit-details-marker { display: none; }
.frp-page details summary::after { content: "＋"; position: absolute; right: 0; color: var(--primary); font-weight: 700; }
.frp-page details[open] summary::after { content: "－"; }
.frp-page details p { margin-top: 10px; font-size: 14px; color: var(--ink-2); }

/* CTA */
.frp-page .cta-band { background: linear-gradient(120deg, var(--primary), var(--accent)); border-radius: 20px; padding: 56px 40px; text-align: center; color: #fff; box-shadow: 0 20px 50px rgba(20,184,166,.3); position: relative; overflow: hidden; }
.frp-page .cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(480px 200px at 50% -40%, rgba(255,255,255,.22) 0%, rgba(255,255,255,0) 70%); }
.frp-page .cta-band h2, .frp-page .cta-band p, .frp-page .cta-band a { position: relative; }
.frp-page .cta-band h2 { font-size: 28px; font-weight: 800; }
.frp-page .cta-band p { opacity: .9; margin: 12px auto 28px; max-width: 520px; }
.frp-page .cta-band .btn.primary { background: #fff; color: var(--primary-strong); box-shadow: none; }
.frp-page .cta-band .btn.primary:hover { background: #f0fdfa; }

.frp-page footer { border-top: 1px solid var(--border); padding: 40px 0; text-align: center; color: var(--ink-3); font-size: 13px; }

@media (max-width: 820px) {
  .frp-page .hero h1 { font-size: 34px; }
  .frp-page .feature { grid-template-columns: 1fr; }
  .frp-page .feature.rev .f-text, .frp-page .feature.rev .f-visual { order: 0; }
  .frp-page .apps { grid-template-columns: 1fr; }
  .frp-page .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .frp-page .badge .dot { animation: none; }
  .frp-page .btn, .frp-page .app { transition: none; }
}