.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #8b5cf6, #6d28d9);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #8b5cf6);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #ede9fe, #f5f3ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#8b5cf6;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.query-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.query-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:140px}.query-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.query-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.query-tab small{font-size:0.65rem;color:var(--gray-400)}.query-tab.active{background:linear-gradient(135deg, #8b5cf6, #6d28d9);box-shadow:0 8px 25px rgba(139,92,246,0.3)}.query-tab.active i,.query-tab.active span,.query-tab.active small{color:white}.search-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:32px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.search-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-size:1rem;font-weight:600;color:var(--gray-700)}.search-header i{color:#8b5cf6}.search-input-wrapper{display:flex;gap:16px;margin-bottom:20px;flex-wrap:wrap}.char-search-input{flex:1;padding:16px 20px;border:2px solid var(--gray-200);border-radius:60px;font-size:1rem;font-family:'Fira Code',monospace;transition:all 0.3s}.char-search-input:focus{outline:none;border-color:#8b5cf6;box-shadow:0 0 0 3px rgba(139,92,246,0.1)}.code-input-group{display:flex;align-items:center;flex:1;background:white;border:2px solid var(--gray-200);border-radius:60px;padding:0 16px;transition:all 0.3s}.code-input-group:focus-within{border-color:#8b5cf6;box-shadow:0 0 0 3px rgba(139,92,246,0.1)}.code-prefix{font-weight:600;color:var(--gray-500);font-family:monospace}.code-search-input{flex:1;padding:16px 8px;border:none;font-size:1rem;font-family:'Fira Code',monospace;background:transparent}.code-search-input:focus{outline:none}.search-btn{background:linear-gradient(135deg, #8b5cf6, #6d28d9);border:none;padding:14px 32px;border-radius:60px;color:white;font-weight:600;cursor:pointer;transition:all 0.3s}.search-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(139,92,246,0.4)}.char-result{margin-top:20px;animation:fadeIn 0.3s ease}.result-list{display:flex;flex-direction:column;gap:12px}.result-item{background:var(--gray-50);border-radius:20px;padding:16px 20px;display:flex;align-items:center;gap:20px;transition:all 0.2s}.result-item:hover{background:white;box-shadow:0 4px 12px rgba(0,0,0,0.05)}.result-char{font-size:2rem;font-family:monospace;min-width:80px;text-align:center;background:white;padding:12px;border-radius:20px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.result-info{flex:1}.result-code{font-family:'Fira Code',monospace;font-size:0.9rem;margin-bottom:4px}.result-code span{background:#ede9fe;padding:4px 12px;border-radius:20px;display:inline-block;margin-right:8px;margin-bottom:4px}.result-decimal{font-size:0.75rem;color:var(--gray-500)}.result-copy{background:transparent;border:1px solid var(--gray-300);padding:8px 16px;border-radius:40px;cursor:pointer;transition:all 0.2s}.result-copy:hover{background:#8b5cf6;border-color:#8b5cf6;color:white}.code-result{margin-top:20px}.result-card{background:linear-gradient(135deg, #ede9fe, #f5f3ff);border-radius:24px;padding:24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}.result-icon{width:80px;height:80px;background:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:#8b5cf6;box-shadow:0 4px 12px rgba(0,0,0,0.05)}.result-info{flex:1}.result-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:4px}.result-value{display:block;font-size:2.5rem;font-weight:700;font-family:monospace;color:var(--gray-800)}.copy-result-btn{background:white;border:none;padding:10px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s}.copy-result-btn:hover{background:#8b5cf6;color:white}.quick-chars,.quick-codes{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--gray-200)}.quick-label{font-size:0.75rem;color:var(--gray-500)}.quick-char,.quick-code{background:var(--gray-100);border:1px solid var(--gray-200);padding:6px 16px;border-radius:40px;cursor:pointer;font-size:0.8rem;transition:all 0.2s}.quick-char:hover,.quick-code:hover{background:#8b5cf6;border-color:#8b5cf6;color:white}.table-controls{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:24px;padding:16px;background:var(--gray-50);border-radius:20px;align-items:center}.range-selector,.table-view,.table-search{display:flex;align-items:center;gap:12px}.range-select,.view-select{padding:8px 16px;border:1px solid var(--gray-300);border-radius:40px;background:white}.table-search-input{padding:8px 16px;border:1px solid var(--gray-300);border-radius:40px;width:200px}.encoding-table-container{max-height:500px;overflow:auto;border-radius:20px;border:1px solid var(--gray-200);background:white}.encoding-table.grid{display:grid;grid-template-columns:repeat(16, 1fr);gap:1px;background:var(--gray-200)}.encoding-table.grid .grid-cell{background:white;padding:10px;text-align:center;font-family:'Fira Code',monospace;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.encoding-table.grid .grid-cell:hover{background:#ede9fe}.encoding-table.list{width:100%;border-collapse:collapse}.encoding-table.list th,.encoding-table.list td{padding:10px 12px;border-bottom:1px solid var(--gray-200);text-align:center}.encoding-table.list th{background:var(--gray-50);font-weight:600;position:sticky;top:0}.encoding-table.list tr:hover{background:#ede9fe;cursor:pointer}.utf16-knowledge{margin-top:40px;background:linear-gradient(135deg, #ede9fe, #f5f3ff);border-radius:28px;padding:24px}.knowledge-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.knowledge-card{background:white;border-radius:20px;padding:20px;text-align:center;transition:all 0.3s}.knowledge-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px rgba(0,0,0,0.08)}.knowledge-card i{font-size:1.8rem;color:#8b5cf6;margin-bottom:12px}.knowledge-card h4{font-size:0.9rem;margin-bottom:8px}.knowledge-card p{font-size:0.7rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.knowledge-grid{grid-template-columns:repeat(2, 1fr)}.encoding-table.grid{grid-template-columns:repeat(8, 1fr)}}@media (max-width:768px){.query-tab{min-width:auto;padding:10px 16px}.knowledge-grid{grid-template-columns:1fr}.table-controls{flex-direction:column;align-items:stretch}.result-card{flex-direction:column;text-align:center}.result-item{flex-direction:column;text-align:center}.result-char{min-width:auto}}