:root{--bg: #f6f7f9;--card: #ffffff;--text: #17181c;--muted: #7a7f89;--border: #e7e9ee;--primary: #2456d9;--primary-hover: #1c46b8;--primary-soft: rgba(36, 86, 217, .08);--danger: #c9382e;--danger-soft: rgba(201, 56, 46, .08);--radius: 16px;--shadow: 0 1px 2px rgba(23, 24, 28, .04), 0 10px 30px rgba(23, 24, 28, .05)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.app-header{max-width:720px;width:100%;margin:0 auto;padding:22px 24px 0}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;font-size:19px;font-weight:700;box-shadow:0 4px 12px #2456d940}.brand-name{font-size:19px;font-weight:800;letter-spacing:1px}.brand-sub{display:block;margin-top:2px;font-size:12px;letter-spacing:2px;color:var(--muted)}.app-main{flex:1;width:100%;max-width:720px;margin:0 auto;padding:20px 24px 48px;display:flex;flex-direction:column;justify-content:center}.app-footer{text-align:center;font-size:12px;color:var(--muted);padding:18px 16px calc(18px + env(safe-area-inset-bottom));flex-shrink:0}.hero{padding:26px 4px 22px}.hero h1{margin:0 0 10px;font-size:32px;font-weight:800;letter-spacing:1.5px;background:linear-gradient(120deg,var(--text) 30%,var(--primary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{margin:0;font-size:15px;line-height:1.7;color:var(--muted)}.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);padding:26px}textarea,input,select{font:inherit;color:inherit;width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:var(--card);outline:none;transition:border-color .15s,box-shadow .15s}textarea:focus,input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}textarea{min-height:200px;resize:vertical}.field{margin-bottom:18px}.label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px}.row{display:grid;grid-template-columns:1fr 1.4fr;gap:14px}.code-row{display:flex;gap:8px}.btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:10px;padding:10px 22px;background:var(--primary);color:#fff;cursor:pointer;font-size:15px;font-weight:600;letter-spacing:.5px;transition:background .15s,transform .05s}.btn:hover{background:var(--primary-hover)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-ghost:hover{background:var(--primary-soft)}.btn-danger-outline{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger-outline:hover{background:var(--danger-soft)}.btn-random{white-space:nowrap;padding:10px 16px;font-size:14px}.error-text{color:var(--danger);font-size:13.5px;margin:6px 0 0}.hint{font-size:12.5px;color:var(--muted)}.count{font-size:12px;color:var(--muted);text-align:right;margin-top:6px}.state{text-align:center;padding:48px 0}.state .btn{margin-top:16px}.meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px}.remain{color:var(--primary)}.result{margin-top:26px;padding-top:22px;border-top:1px dashed var(--border)}.result-row{display:flex;gap:10px}.result-row .btn{flex-shrink:0;min-width:96px}.result-row input{font-size:13.5px;color:var(--muted);background:var(--bg)}.content{white-space:pre-wrap;word-break:break-word;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:16px;max-height:60vh;overflow:auto;font-family:inherit;font-size:15px;line-height:1.8;margin:0}.actions{display:flex;flex-wrap:wrap;gap:10px}.actions .btn{flex:1}.burn-badge{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--danger-soft);color:var(--danger);font-size:12px;font-weight:600}.lost-glyph{display:block;width:76px;height:76px;margin:0 auto 14px}.lost-title{font-size:30px;font-weight:800;letter-spacing:1px;margin-bottom:10px}.check-line{display:flex;align-items:flex-start;gap:10px;margin:2px 0 20px;cursor:pointer;font-size:14px;line-height:1.5}.check-line b{font-weight:600}.checkbox{width:18px;height:18px;margin:2px 0 0;accent-color:var(--primary);cursor:pointer;flex-shrink:0}.hl-url{color:#2456d9;text-decoration:underline;text-underline-offset:2px}.hl-email{color:#0f766e;font-weight:600}.hl-phone{color:#b45309;font-weight:600}.hl-date{color:#7c3aed}.hl-money{color:#be185d;font-weight:600}.hl-id{color:#dc2626;background:#dc262614;border-radius:3px}.hl-num{color:#4d7c0f;font-weight:600}@media(prefers-color-scheme:dark){.hl-url{color:#7ea6ff}.hl-email{color:#4fd1c5}.hl-phone{color:#fbbf24}.hl-date{color:#c4b5fd}.hl-money{color:#f9a8d4}.hl-id{color:#f87171;background:#f871711f}.hl-num{color:#bef264}}@media(max-width:640px){.app-header{padding:18px 16px 0}.app-main{padding:10px 16px 32px;justify-content:flex-start}.hero{padding:16px 2px 18px}.hero h1{font-size:25px;letter-spacing:1px}.hero p{font-size:14px}.card{padding:18px;margin-bottom:auto}.row{grid-template-columns:1fr;gap:0}.row .field{margin-bottom:18px}textarea{min-height:160px}.btn{min-height:46px;font-size:16px}.result-row{flex-direction:column}.meta{font-size:12.5px}}