.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, #0284c7, #0369a1);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, #0284c7);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.stat-card{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)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0f2fe, #bae6fd);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#0284c7;font-size:1.3rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.parser-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.parser-tab{background:transparent;border:none;padding:12px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;font-weight:500}.parser-tab i{margin-right:8px}.parser-tab.active{background:linear-gradient(135deg, #0284c7, #0369a1);color:white;box-shadow:0 4px 12px rgba(2,132,199,0.3)}.url-input-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200);box-shadow:0 8px 25px rgba(0,0,0,0.05)}.input-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.input-header span{font-weight:600;color:var(--gray-700)}.input-actions{display:flex;gap:8px}.action-btn-sm{background:transparent;border:1px solid var(--gray-200);padding:6px 12px;border-radius:30px;cursor:pointer;font-size:0.7rem;transition:all 0.2s}.action-btn-sm:hover{background:#0284c7;border-color:#0284c7;color:white}.url-textarea{width:100%;min-height:100px;padding:16px;font-family:'Fira Code',monospace;font-size:0.8rem;line-height:1.5;border:1px solid var(--gray-200);border-radius:16px;resize:vertical;background:#1a1a2e;color:#e0e0e0}.url-textarea:focus{outline:none;border-color:#0284c7}.parse-btn{width:100%;background:linear-gradient(135deg, #0284c7, #0369a1);border:none;padding:12px;border-radius:50px;color:white;font-weight:600;margin-top:16px;cursor:pointer;transition:all 0.3s}.parse-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(2,132,199,0.3)}.url-structure{background:linear-gradient(135deg, #f8fafc, #f1f5f9);border-radius:60px;padding:16px 20px;margin-bottom:24px;overflow-x:auto}.structure-parts{font-family:'Fira Code',monospace;font-size:0.85rem;white-space:nowrap}.part{padding:2px 4px;border-radius:4px}.part.protocol{background:#dbeafe;color:#1e40af}.part.host{background:#d1fae5;color:#065f46}.part.port{background:#fef3c7;color:#92400e}.part.path{background:#e0e7ff;color:#3730a3}.part.query{background:#fce7f3;color:#9d174d}.part.hash{background:#fed7aa;color:#9a3412}.part-sep{color:var(--gray-400)}.detail-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:12px;margin-bottom:24px}.detail-item{background:var(--gray-50);border-radius:16px;padding:12px 16px;display:flex;align-items:center;gap:12px;transition:all 0.2s}.detail-item:hover{background:white;box-shadow:0 4px 12px rgba(0,0,0,0.05)}.detail-icon{width:36px;height:36px;background:white;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#0284c7}.detail-content{flex:1}.detail-label{display:block;font-size:0.65rem;color:var(--gray-500)}.detail-value{display:block;font-size:0.8rem;font-weight:500;color:var(--gray-800);word-break:break-all}.detail-copy{background:transparent;border:none;cursor:pointer;color:var(--gray-400);padding:4px;border-radius:6px}.detail-copy:hover{background:var(--gray-200);color:#0284c7}.params-section{background:var(--gray-50);border-radius:20px;overflow:hidden;margin-bottom:24px}.params-header{display:flex;align-items:center;gap:12px;padding:14px 20px;background:white;border-bottom:1px solid var(--gray-200)}.params-count{background:#0284c7;color:white;padding:2px 8px;border-radius:20px;font-size:0.7rem}.params-copy{margin-left:auto;background:transparent;border:1px solid var(--gray-300);padding:4px 12px;border-radius:20px;cursor:pointer;font-size:0.7rem}.params-copy:hover{background:#0284c7;border-color:#0284c7;color:white}.params-table{padding:8px;max-height:300px;overflow-y:auto}.param-row{display:flex;align-items:center;padding:10px 12px;border-bottom:1px solid var(--gray-200);gap:12px}.param-key{width:120px;font-weight:600;color:#0284c7;word-break:break-all}.param-value{flex:1;color:var(--gray-700);word-break:break-all;font-family:monospace}.param-copy{background:transparent;border:none;cursor:pointer;color:var(--gray-400)}.param-copy:hover{color:#0284c7}.params-placeholder{text-align:center;padding:40px;color:var(--gray-400)}.security-tips{padding:16px;border-radius:16px;margin-bottom:16px}.security-tips.secure{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.security-tips.insecure{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.builder-card{background:white;border-radius:24px;padding:24px;border:1px solid var(--gray-200)}.builder-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:20px;margin-bottom:24px}.builder-row{display:flex;flex-direction:column;gap:8px}.builder-row label{font-size:0.75rem;font-weight:600;color:var(--gray-600)}.builder-input,.builder-select{padding:10px 14px;border:1px solid var(--gray-200);border-radius:12px;font-size:0.85rem}.builder-input:focus,.builder-select:focus{outline:none;border-color:#0284c7}.params-builder{background:var(--gray-50);border-radius:12px;padding:12px;margin-bottom:8px}.param-builder-item{display:flex;gap:8px;margin-bottom:8px;align-items:center}.param-builder-item input{flex:1;padding:8px 12px;border:1px solid var(--gray-200);border-radius:8px;font-size:0.8rem}.remove-param{background:transparent;border:none;cursor:pointer;color:var(--gray-500);padding:6px}.remove-param:hover{color:#dc2626}.add-param-btn{background:transparent;border:1px dashed var(--gray-300);padding:8px;border-radius:30px;cursor:pointer;font-size:0.7rem;width:100%}.add-param-btn:hover{background:var(--gray-50);border-color:#0284c7;color:#0284c7}.builder-preview{background:linear-gradient(135deg, #f8fafc, #f1f5f9);border-radius:20px;padding:16px}.preview-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.preview-copy,.preview-open{background:transparent;border:1px solid var(--gray-300);padding:4px 12px;border-radius:20px;cursor:pointer;font-size:0.7rem}.preview-copy:hover,.preview-open:hover{background:#0284c7;border-color:#0284c7;color:white}.built-url{font-family:monospace;font-size:0.8rem;word-break:break-all;color:#0284c7}.encode-card{background:white;border-radius:24px;padding:24px;border:1px solid var(--gray-200)}.encode-mode,.encode-type{display:flex;gap:12px;margin-bottom:20px}.encode-mode-btn,.encode-type-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s}.encode-mode-btn.active,.encode-type-btn.active{background:#0284c7;border-color:#0284c7;color:white}.encode-textarea{width:100%;min-height:120px;padding:16px;font-family:monospace;border:1px solid var(--gray-200);border-radius:16px;resize:vertical;margin-bottom:16px}.encode-btn{background:linear-gradient(135deg, #0284c7, #0369a1);border:none;padding:10px 24px;border-radius:40px;color:white;cursor:pointer;margin-bottom:20px}.encode-result{background:var(--gray-50);border-radius:16px;overflow:hidden}.result-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:white;border-bottom:1px solid var(--gray-200)}.result-copy{background:transparent;border:1px solid var(--gray-300);padding:4px 12px;border-radius:20px;cursor:pointer;font-size:0.7rem}.encode-output{padding:16px;font-family:monospace;font-size:0.75rem;word-break:break-all;background:#1a1a2e;color:#e0e0e0;margin:0;min-height:100px}.url-knowledge{margin-top:24px;background:linear-gradient(135deg, #e0f2fe, #bae6fd);border-radius:24px;padding:20px}.knowledge-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px}.knowledge-card{background:white;border-radius:16px;padding:16px;text-align:center;transition:all 0.3s}.knowledge-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,0.08)}.knowledge-card i{font-size:1.5rem;color:#0284c7;margin-bottom:10px}.knowledge-card h4{font-size:0.85rem;margin-bottom:6px}.knowledge-card p{font-size:0.7rem;color:var(--gray-500)}@media (max-width:900px){.detail-grid{grid-template-columns:1fr}.builder-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}.url-structure{border-radius:20px}.structure-parts{font-size:0.7rem}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.knowledge-grid{grid-template-columns:1fr}.param-row{flex-wrap:wrap}.param-key{width:100%}.encode-mode,.encode-type{justify-content:center}}