:root{--bg: #071018;--bg-2: #0c1824;--panel: rgba(14, 32, 48, .78);--line: rgba(124, 211, 255, .16);--text: #e8f4ff;--muted: #8aa3b8;--cyan: #5eead4;--blue: #38bdf8;--amber: #fbbf24;--danger: #fb7185;--ok: #34d399;--shadow: 0 24px 60px rgba(0, 0, 0, .35);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px);--dock-h: 56px;--dock-pad: 8px;--dock-space: calc(var(--dock-h) + var(--dock-pad) + 12px)}html[data-inset=gesture]{--dock-pad: max(20px, var(--safe-bottom))}html[data-inset=buttons]{--dock-pad: 8px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;min-height:100dvh;background:var(--bg);color:var(--text);font-family:PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif}body{background:radial-gradient(1200px 500px at 10% -10%,rgba(56,189,248,.18),transparent 55%),radial-gradient(900px 420px at 90% 0%,rgba(94,234,212,.12),transparent 50%),linear-gradient(180deg,#071018,#0a1620)}#app{max-width:1180px;margin:0 auto;padding:max(16px,var(--safe-top)) max(20px,var(--safe-right)) var(--dock-space) max(20px,var(--safe-left))}.hero{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:28px}.kicker{color:var(--cyan);letter-spacing:.18em;font-size:12px;text-transform:uppercase;margin:0 0 8px}h1{margin:0;font-size:42px;letter-spacing:-.03em}.sub{margin:10px 0 0;color:var(--muted);max-width:560px;line-height:1.6}.tabs{display:flex;flex-wrap:wrap;gap:8px}.dock{position:fixed;left:50%;bottom:0;transform:translate(-50%);width:min(1180px,100%);display:grid;grid-template-columns:repeat(4,1fr);gap:4px;min-height:var(--dock-h);padding:6px max(12px,var(--safe-right)) var(--dock-pad) max(12px,var(--safe-left));background:#071018eb;border-top:1px solid 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16px;cursor:pointer;font:inherit}.tab.active{background:linear-gradient(135deg,#38bdf847,#5eead42e);border-color:#5eead480}.grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}h2{margin:0 0 6px;font-size:22px}.hint{color:var(--muted);margin:0 0 18px;line-height:1.55}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}input,select,textarea{width:100%;background:#07141f;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:11px 12px;font:inherit}textarea{min-height:72px;resize:vertical}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}button{font:inherit;border:0;border-radius:12px;padding:11px 16px;cursor:pointer}.primary{background:linear-gradient(135deg,#38bdf8,#5eead4);color:#042018;font-weight:700}.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.qr-wrap,.card-preview{display:grid;place-items:center;min-height:360px;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent),#08131d;border-radius:18px;border:1px dashed rgba(94,234,212,.22);padding:16px}.qr-wrap img{width:min(280px,100%);background:#fff;border-radius:16px;padding:14px}.wifi-card{width:min(360px,100%);background:#f6fbff;color:#102033;border-radius:20px;overflow:hidden;box-shadow:0 18px 40px #00000040}.wifi-card header{background:linear-gradient(135deg,#0ea5e9,#14b8a6);color:#fff;padding:16px 18px}.wifi-card .body{padding:16px 18px 18px}.wifi-card .ssid{font-size:22px;font-weight:700;margin:0 0 8px}.wifi-card .meta{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.7}.wifi-card img{width:116px;background:#fff;border-radius:12px;padding:8px;display:block;margin:12px 0 0 auto}.meter{height:12px;background:#07141f;border-radius:999px;overflow:hidden;margin:10px 0 18px}.meter>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#38bdf8,#5eead4)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stats-4{grid-template-columns:repeat(2,1fr)}.checks{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}label.inline{display:flex;align-items:center;gap:8px;margin:0;color:var(--text)}label.inline input{width:auto}.theme-picks{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 4px}.chip{background:#07141f;color:var(--text);border:1px solid var(--line);border-radius:999px;padding:8px 14px}.chip.active{border-color:var(--cyan);background:#5eead41f}.stack{display:grid;gap:18px}.h3{margin:8px 0 10px;font-size:15px}.hist{width:100%;border-collapse:collapse;font-size:13px}.hist th,.hist td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}.mini{color:var(--muted);font-size:11px}.ch-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:14px}.ch-grid.dim{opacity:.35;pointer-events:none}label.ch{margin:0;border:1px solid var(--line);border-radius:10px;padding:8px 0;text-align:center;color:var(--text)}label.ch.on{border-color:var(--amber);background:#fbbf241f}label.ch input{display:none}.result h3{margin:8px 0;font-size:28px}.steps{margin:10px 0 16px;padding-left:20px;line-height:1.8;color:var(--text)}ul.steps{list-style:disc}.status.warn,.warn{color:var(--amber)}.bad{color:var(--danger)}.ok{color:var(--ok)}.muted{color:var(--muted)}.strength .hint{margin-bottom:0}.wifi-card.theme-ink header{background:linear-gradient(135deg,#111827,#334155)}.wifi-card.theme-warm header{background:linear-gradient(135deg,#f59e0b,#ef4444)}.wifi-card.theme-forest header{background:linear-gradient(135deg,#047857,#0f766e)}@media print{body{background:#fff}.hero,.tabs,.dock,form,.actions,.theme-picks,.hint,.banner{display:none!important}.card{box-shadow:none;border:0;background:#fff}.grid{display:block}}.stat{background:#07141f;border:1px solid var(--line);border-radius:14px;padding:12px}.stat b{display:block;font-size:22px;margin-top:4px}.guide-list{display:grid;gap:12px}.guide{border:1px solid var(--line);border-radius:16px;padding:14px;background:#07141f}.guide h3{margin:0 0 6px;font-size:16px}.empty{color:var(--muted);text-align:center}.status{margin-top:10px;color:var(--muted);min-height:22px}.status.ok{color:var(--ok)}.status.err{color:var(--danger)}.banner{margin-top:14px;padding:12px 14px;border-radius:12px;border:1px solid rgba(94,234,212,.35);background:#5eead41a;color:var(--cyan);line-height:1.5}button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:900px){.hero,.grid,.row,.stats{grid-template-columns:1fr;display:grid}h1{font-size:28px}.tool-grid{grid-template-columns:1fr}}