.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, #10b981, #059669);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, #10b981);-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, #d1fae5, #ecfdf5);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#10b981;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)}.mode-tabs{display:flex;gap:12px;margin-bottom:24px;justify-content:center;flex-wrap:wrap}.mode-tab{background:transparent;border:none;padding:12px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:120px}.mode-tab i{font-size:1.2rem;color:var(--gray-400);margin-right:8px}.mode-tab span{font-weight:500;color:var(--gray-600)}.mode-tab small{font-size:0.65rem;color:var(--gray-400);display:block;margin-top:4px}.mode-tab.active{background:linear-gradient(135deg, #10b981, #059669);box-shadow:0 4px 12px rgba(16,185,129,0.3)}.mode-tab.active i,.mode-tab.active span,.mode-tab.active small{color:white}.options-bar{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:20px;padding:20px 24px;margin-bottom:24px;display:flex;flex-wrap:wrap;gap:32px;border:1px solid var(--gray-200)}.option-group label{display:block;font-size:0.7rem;font-weight:600;color:var(--gray-500);margin-bottom:10px;letter-spacing:0.5px}.sep-buttons{display:flex;gap:10px;flex-wrap:wrap}.sep-btn{background:white;border:1px solid var(--gray-200);padding:6px 16px;border-radius:30px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.sep-btn.active{background:#10b981;border-color:#10b981;color:white}.adv-options{display:flex;gap:20px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:0.75rem}.checkbox-label input{cursor:pointer}.editor-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.editor-panel{background:white;border-radius:24px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.panel-title{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--gray-700)}.panel-title i{color:#10b981}.panel-actions{display:flex;gap:8px}.action-btn{background:transparent;border:none;padding:6px 12px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500);font-size:0.8rem}.action-btn:hover{background:var(--gray-100);color:#10b981}.input-textarea{width:100%;min-height:300px;padding:20px;font-family:'Inter',monospace;font-size:0.95rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.input-textarea:focus{outline:none}.output-wrapper{min-height:300px;background:#1a1a2e}.output-content{margin:0;padding:20px;font-family:'Inter',monospace;font-size:0.95rem;line-height:1.8;color:#e0e0e0;white-space:pre-wrap;word-break:break-all}.panel-footer{padding:8px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.7rem;color:var(--gray-500)}.polyphone-tips{background:#fef3c7;border-radius:16px;margin-bottom:24px;overflow:hidden}.tips-header{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;background:#fffbeb;color:#92400e}.tips-header i{font-size:0.9rem}.toggle-tips{margin-left:auto;background:transparent;border:none;cursor:pointer;color:#92400e}.tips-content{padding:16px;border-top:1px solid #fde68a}.tips-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:12px}.tip-item{background:white;border-radius:12px;padding:8px 12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tip-word{font-weight:700;color:#92400e;font-size:1rem;min-width:40px}.tip-pinyin{font-family:monospace;font-size:0.7rem;color:#78350f}.info-section{margin-top:20px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#10b981}@media (max-width:900px){.editor-container{grid-template-columns:1fr}.tips-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.tips-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.mode-tab{padding:8px 16px;min-width:auto}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}