.df-tools-page{padding:16px 0 40px}
.df-tools-page .main-content{max-width:100%;margin:0 auto}
.df-tools-index-title{font-size:26px;font-weight:700;color:#111827;margin:0 0 24px}
.df-tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.df-tools-grid-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.df-tools-grid-card:hover{border-color:#2563eb;box-shadow:0 4px 16px rgba(37,99,235,.1)}
.df-tgc-top{display:flex;gap:18px;padding:24px 24px 20px;align-items:flex-start}
.df-tgc-icon{flex-shrink:0;width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:#eff6ff;border-radius:12px}
.df-tgc-info{flex:1;min-width:0}
.df-tgc-info h3{margin:0 0 8px;font-size:20px;font-weight:700;color:#111827}
.df-tgc-info p{margin:0;font-size:14px;color:#6b7280;line-height:1.6}
.df-tgc-bottom{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-top:1px solid #f3f4f6;background:#fafafa}
.df-tgc-price{font-size:13px;color:#6b7280;line-height:1.5}
.df-tgc-price a{color:#6b7280;text-decoration:none}
.df-tgc-price a:hover{color:#4b5563;text-decoration:none}
.df-tgc-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 28px;border-radius:8px;background:#f59e0b;color:#fff;font-size:15px;font-weight:600;text-decoration:none;transition:background .2s;white-space:nowrap}
.df-tgc-btn:hover{background:#d97706;color:#fff}
@media(max-width:900px){.df-tools-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.df-tools-grid{grid-template-columns:1fr}}
.df-tools-wallet{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-bottom:14px;font-size:14px;color:#374151}
.df-tools-wallet strong{color:#2563eb;font-size:16px}
.df-tools-tabs{display:flex;gap:0;border-bottom:2px solid #e5e7eb;margin-bottom:0}
.df-tools-tab{padding:10px 24px;border:none;background:none;font-size:15px;font-weight:500;color:#6b7280;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .2s,border-color .2s}
.df-tools-tab:hover{color:#2563eb}
.df-tools-tab.is-active{color:#2563eb;border-bottom-color:#2563eb;font-weight:600}
.df-tools-panel{display:none}
.df-tools-panel.is-active{display:block}
.df-tools-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.df-tools-card h2{margin:0 0 6px;font-size:22px;color:#111827}
.df-tools-desc{margin:0 0 18px;font-size:14px;color:#6b7280;line-height:1.6}
.df-tools-desc strong{color:#2563eb}
.df-tools-form-row{margin-bottom:14px}
.df-tools-form-row label{display:block;font-size:13px;color:#374151;margin-bottom:6px;font-weight:500}
.df-tools-form-row input,.df-tools-form-row textarea{width:100%;border:1px solid #d1d5db;border-radius:8px;padding:10px 12px;font-size:14px;transition:border-color .2s}
.df-tools-form-row input:focus,.df-tools-form-row textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px rgba(37,99,235,.12)}
.df-tools-form-row textarea{resize:vertical;min-height:160px;font-family:inherit}
.df-tools-char-count{text-align:right;font-size:12px;color:#9ca3af;margin-top:4px}
.df-tools-btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 22px;border:0;border-radius:8px;background:#2563eb;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}
.df-tools-btn:hover{background:#1d4ed8}
.df-tools-btn:disabled{opacity:.55;cursor:not-allowed}
.df-tools-msg{margin-top:14px;padding:10px 14px;border-radius:8px;font-size:13px;display:none}
.df-tools-msg.is-error{display:block;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.df-tools-msg.is-success{display:block;background:#ecfdf5;color:#047857;border:1px solid #bbf7d0}
.df-tools-msg.is-loading{display:block;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.df-tools-result{margin-top:18px}
.df-tools-result table{width:100%;border-collapse:collapse;font-size:13px}
.df-tools-result th,.df-tools-result td{padding:8px 10px;text-align:left;border-bottom:1px solid #f3f4f6}
.df-tools-result th{background:#f9fafb;color:#374151;font-weight:600;position:sticky;top:0}
.df-tools-result td{color:#1f2937}
.df-tools-result-box{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:16px;white-space:pre-wrap;font-size:14px;line-height:1.8;color:#1f2937;max-height:500px;overflow:auto}
.df-tools-result-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.df-tools-result-header span{font-size:13px;color:#6b7280}
.df-tools-copy-btn{height:30px;padding:0 12px;border:1px solid #d1d5db;border-radius:6px;background:#fff;color:#374151;font-size:12px;cursor:pointer}
.df-tools-copy-btn:hover{background:#f3f4f6}
.df-tools-price-tip{font-size:13px;color:#6b7280}
.df-tools-price-tip strong{color:#2563eb}
.df-og-layout{display:flex;gap:20px}
.df-og-left{flex:1;min-width:0}
.df-og-right{flex:1;min-width:0;display:flex;flex-direction:column}
.df-og-left textarea{min-height:360px}
.df-og-result-wrap{flex:1;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:16px;overflow-y:auto;min-height:360px;max-height:520px;font-size:14px;line-height:2;color:#1f2937}
.df-og-placeholder{display:flex;align-items:center;justify-content:center;height:100%;min-height:320px;color:#9ca3af;font-size:14px}
.df-og-score{text-align:center;padding:16px 0 12px;border-bottom:1px solid #e5e7eb;margin-bottom:12px}
.df-og-score-num{font-size:48px;font-weight:700}
.df-og-score-label{font-size:14px;margin-top:4px}
.df-og-score-detail{font-size:12px;color:#9ca3af;margin-top:6px}
.df-og-legend{display:flex;gap:16px;justify-content:center;margin-top:8px;font-size:12px;color:#6b7280}
.df-og-legend span::before{content:'';display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:4px;vertical-align:middle}
.df-og-legend .og-l-original::before{background:#bbf7d0}
.df-og-legend .og-l-suspected::before{background:#fef3c7}
.df-og-legend .og-l-serious::before{background:#fecaca}
@keyframes dfBreathe{0%,100%{opacity:1}50%{opacity:.4}}
.df-og-loading{display:flex;align-items:center;justify-content:center;height:100%;min-height:320px;color:#2563eb;font-size:14px;animation:dfBreathe 2s ease-in-out infinite}
.df-ai-score{text-align:center;padding:20px 0 16px}
.df-ai-score-num{font-size:52px;font-weight:700}
.df-ai-score-label{font-size:15px;margin-top:6px;font-weight:500}
.df-ai-score-detail{font-size:13px;color:#6b7280;margin-top:8px;line-height:1.6}
.df-tools-notice{margin-top:14px;padding:10px 14px;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;font-size:12px;color:#92400e;line-height:1.6}
.df-ai-left{flex:1.6;min-width:0}
.df-ai-right{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:24px 16px;min-height:360px}
.df-ai-highlight{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:16px;min-height:360px;max-height:520px;overflow-y:auto;font-size:14px;line-height:2;color:#1f2937;white-space:pre-wrap;word-break:break-word}
.df-ai-donut{position:relative;width:180px;height:180px;border-radius:50%;margin:0 auto 16px}
.df-ai-donut-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}
.df-ai-donut-label{font-size:14px;font-weight:600;margin-bottom:12px}
.df-ai-donut-tip{font-size:12px;color:#6b7280;margin-top:12px;line-height:1.6;text-align:center}
.df-ai-legend{display:flex;gap:18px;justify-content:center;margin-top:16px;font-size:13px;color:#374151}
.df-ai-legend span::before{content:'';display:inline-block;width:14px;height:14px;border-radius:3px;margin-right:5px;vertical-align:middle}
@media(max-width:768px){
  .df-og-layout{flex-direction:column}
}
@media(max-width:680px){
  .df-tools-card{padding:16px}
}