:root{--bg: #f3f5fa;--bg-card: #ffffff;--bg-elev: #eef1f8;--accent: #3b6fe0;--accent-2: #14a06b;--danger: #e23b3b;--text: #1b2030;--text-dim: #5b6478;--border: #d7deea;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(1200px 800px at 70% -10%,#e6edff 0%,var(--bg) 55%);color:var(--text);min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;max-width:820px;margin:0 auto;padding:18px 16px 6px}.brand{font-size:18px;font-weight:700;letter-spacing:.5px}.badge{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--border);white-space:nowrap}.badge-off{background:#f7e3e6;color:var(--danger);border-color:#f0c4ca}.badge-pending{background:#fbf2d6;color:#b8891f;border-color:#ecd9a0}.badge-on{background:#e1f6ec;color:var(--accent-2);border-color:#b7e6cd}.app{max-width:820px;margin:0 auto;padding:8px 16px 60px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:0 8px 30px #00000040}.card h2{margin:0 0 12px;font-size:18px}.card h3{margin:0 0 8px;font-size:15px}.mt{margin-top:22px}.muted{color:var(--text-dim);font-size:13px;line-height:1.6}.small{font-size:12px}.hidden{display:none!important}.row{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.row.center{justify-content:center}.btn{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:10px 18px;font-size:14px;cursor:pointer;font-weight:600;transition:filter .12s,opacity .12s}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:7px 12px;font-size:13px}.btn-lg{padding:14px 22px;font-size:16px;border-radius:12px}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--accent)}.btn-danger{background:var(--danger)}.code-area{width:100%;height:120px;resize:vertical;background:#eef1f8;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;line-height:1.5;word-break:break-all}.code-area[readonly]{color:var(--accent-2)}.field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-dim)}.field select,.field input{background:#eef1f8;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:14px}.field-block{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-dim)}.field-block .code-area{height:100px}.switch-row{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--text-dim);cursor:pointer}