*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px}button{border:none;background:none;font:inherit;cursor:pointer;color:inherit}input,textarea,select{font:inherit;color:inherit}:root{--bg: #1a1d24;--card: #262a33;--card-2: #2d323d;--card-border: #353a47;--input-bg: #1a1d24;--input-border: #3a4050;--text: #e5e7eb;--text-muted: #9ca3af;--text-dim: #6b7280;--red: #ef4444;--red-2: #dc2626;--blue: #3b82f6;--blue-2: #2563eb;--yellow: #f59e0b;--green: #10b981;--radius: 8px;--radius-lg: 12px;--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-text: var(--text);--color-text-muted: 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#ef444466}.open-video-btn:active{transform:scale(.98)}.login-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:380px;background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--card-border);padding:32px 24px;text-align:center}.login-title{font-size:20px;font-weight:600;margin-bottom:24px;color:var(--text)}.login-input{width:100%;height:46px;background:var(--bg);border:1px solid var(--input-border);border-radius:8px;padding:0 14px;font-size:15px;letter-spacing:4px;outline:none;transition:border-color .15s ease}.login-input:focus{border-color:var(--blue)}.login-btn{margin-top:16px;width:100%;height:46px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;font-size:15px;font-weight:600;border-radius:8px;transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 4px 12px #3b82f64d}.login-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #3b82f666}.login-btn:active{transform:scale(.98)}.login-error{margin-top:12px;font-size:13px;color:var(--red)}.tool-view{max-width:720px;margin:0 auto;padding:16px 16px 64px}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);background:#10b981f2;color:#fff;font-size:13px;padding:10px 18px;border-radius:999px;box-shadow:0 6px 20px #0000004d;z-index:1000;animation:toast-in .25s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.t-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:18px 18px 20px;margin-bottom:14px}.t-card-title{font-size:15px;font-weight:700;color:var(--red);margin-bottom:14px}.t-tip{font-size:12px;color:var(--text-muted);margin-bottom:8px}.t-foot{font-size:12px;color:var(--text-dim);margin-top:8px}.t-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.t-field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px}.t-field select{width:100%;height:38px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:6px;padding:0 30px 0 10px;font-size:13px;color:var(--text);outline:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 10px center}.t-field select:focus{border-color:var(--blue)}.t-textarea{display:block;width:100%;background:var(--input-bg);border:1px solid var(--input-border);border-radius:6px;padding:10px 12px;font-family:SF 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12px}.t-btn-ghost-sm:hover{border-color:var(--blue);color:var(--blue)}.t-btn-red{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 10px #ef44444d}.t-btn-red:hover{filter:brightness(1.05)}.t-actions{display:flex;justify-content:center;gap:14px;margin:24px 0 20px}.t-actions .t-btn{height:44px;padding:0 28px;font-size:14px;font-weight:600;border-radius:8px}.t-result-list{display:flex;flex-direction:column;gap:14px}.t-result-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:16px}.t-result-tag{display:inline-block;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:4px;margin-bottom:14px}.t-result-body{display:flex;gap:16px;align-items:flex-start}.t-result-info{flex:1;min-width:0}.t-result-id{font-size:13px;color:var(--text);font-family:SF 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