*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#f5f5f5;color:#333;line-height:1.6;font-size:15px}
a{color:#07c160;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:960px;margin:0 auto;padding:20px}
.site-header{background:#fff;border-bottom:1px solid #e5e5e5}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo a{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;color:#333}
.logo img{width:32px;height:32px;border-radius:6px}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}
.main-nav a{color:#666;font-size:14px;text-decoration:none;transition:color .2s}
.main-nav a:hover{color:#07c160}
.page-title{font-size:18px;font-weight:600;margin-bottom:20px}
.tool-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tab-btn{display:inline-block;padding:8px 16px;border:1px solid #e5e5e5;background:#fff;border-radius:6px;cursor:pointer;font-size:14px;color:#666;transition:all .2s;text-decoration:none}
.tab-btn:hover{border-color:#07c160;color:#07c160;text-decoration:none}
.tab-btn.active{background:#07c160;color:#fff;border-color:#07c160}
.category-section{background:#fff;border-radius:8px;padding:24px;margin-top:20px}
.category-section h2{font-size:16px;margin-bottom:15px}
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.category-card{display:flex;align-items:center;gap:8px;padding:12px;background:#f9f9f9;border-radius:6px;color:#333;font-size:14px}
.category-card:hover{background:#07c160;color:#fff;text-decoration:none}
.category-card .icon{font-size:20px}
.category-card .name{font-size:14px}
.converter-box{background:#fff;border-radius:8px;padding:24px;margin-bottom:20px}
.converter-row{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}
.input-group{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px}
.input-group label{font-size:13px;color:#999}
.input-group input,.input-group select{padding:12px;border:1px solid #e5e5e5;border-radius:6px;font-size:15px;width:100%}
.input-group input:focus,.input-group select:focus{outline:none;border-color:#07c160}
.swap-btn{width:40px;height:44px;border:1px solid #e5e5e5;background:#fff;border-radius:6px;cursor:pointer;font-size:18px;color:#666;flex-shrink:0}
.swap-btn:hover{border-color:#07c160;color:#07c160}
.convert-btn{padding:12px 32px;background:#07c160;color:#fff;border:none;border-radius:6px;font-size:15px;cursor:pointer;flex-shrink:0;height:44px}
.convert-btn:hover{background:#06ad56}
.result-area{margin-top:24px;padding-top:20px;border-top:1px solid #eee}
.result-label{font-size:13px;color:#999;margin-bottom:12px}
.result-main{font-size:28px;font-weight:600;margin-bottom:15px}
.result-main .from-val{color:#333}
.result-main .to-val{color:#e4393c}
.related-links{font-size:13px;color:#999}
.related-links a{color:#07c160;margin-right:5px}
.conversion-table{background:#fff;border-radius:8px;padding:24px;margin-bottom:20px}
.conversion-table h2{font-size:18px;font-weight:600;margin-bottom:15px;color:#333}
.conversion-table table{width:100%;border-collapse:collapse}
.conversion-table thead{background:#f9f9f9}
.conversion-table th{padding:12px;text-align:left;font-size:14px;font-weight:600;color:#333;border-bottom:2px solid #e5e5e5}
.conversion-table td{padding:12px;font-size:14px;color:#666;border-bottom:1px solid #f0f0f0}
.conversion-table td a{color:#07c160}
.conversion-table td a:hover{text-decoration:underline}
.conversion-table tbody tr:hover{background:#f9f9f9}
.conversion-table .four-col-table th:nth-child(1),.conversion-table .four-col-table td:nth-child(1){width:20%}
.conversion-table .four-col-table th:nth-child(2),.conversion-table .four-col-table td:nth-child(2){width:30%}
.conversion-table .four-col-table th:nth-child(3),.conversion-table .four-col-table td:nth-child(3){width:20%}
.conversion-table .four-col-table th:nth-child(4),.conversion-table .four-col-table td:nth-child(4){width:30%}
.related-converts{background:#fff;border-radius:8px;padding:24px;margin-bottom:20px}
.related-converts h2{font-size:18px;font-weight:600;margin-bottom:15px;color:#333}
.related-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.related-list li a{display:block;padding:8px 12px;background:#f9f9f9;border-radius:4px;color:#666;font-size:13px}
.related-list li a:hover{background:#07c160;color:#fff;text-decoration:none}
.seo-content{background:#fff;border-radius:8px;padding:24px}
.seo-content h2{font-size:16px;font-weight:600;margin:20px 0 12px;color:#333}
.seo-content h2:first-child{margin-top:0}
.seo-content h3{font-size:15px;font-weight:600;margin:16px 0 10px;color:#333}
.seo-content h4{font-size:14px;font-weight:600;margin:14px 0 8px;color:#333}
.seo-content p{color:#666;margin-bottom:15px;line-height:1.8}
.faq-image{display:block;width:100%;max-width:400px;height:auto;margin:20px auto;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.conversion-reference-table{width:100%;border-collapse:collapse;margin:15px 0}
.conversion-reference-table thead{background:#f9f9f9}
.conversion-reference-table th{padding:10px;text-align:left;font-size:13px;font-weight:600;color:#333;border-bottom:2px solid #e5e5e5}
.conversion-reference-table td{padding:10px;font-size:13px;color:#666;border-bottom:1px solid #f0f0f0}
.conversion-reference-table tbody tr:hover{background:#f9f9f9}
.seo-content a{color:#07c160}
.related-tools,.other-converts,.common-converts{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.related-tools li a,.other-converts li a,.common-converts li a{display:block;padding:8px 12px;background:#f9f9f9;border-radius:4px;color:#666;font-size:13px}
.related-tools li a:hover,.other-converts li a:hover,.common-converts li a:hover{background:#07c160;color:#fff;text-decoration:none}
.hot-converts,.recent-converts{background:#fff;border-radius:8px;padding:24px;margin-bottom:20px}
.hot-converts h2,.recent-converts h2{font-size:18px;font-weight:600;margin-bottom:15px;color:#333}
.hot-list,.recent-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.recent-list.three-col{grid-template-columns:repeat(3,1fr)}
.hot-list li,.recent-list li{border-bottom:1px solid #f0f0f0}
.hot-list li:nth-child(3n+1),.recent-list li:nth-child(3n+1){border-right:1px solid #f0f0f0}
.hot-list li:nth-child(3n+2),.recent-list li:nth-child(3n+2){border-right:1px solid #f0f0f0}
.recent-list.two-col li{border-right:none}
.recent-list.two-col li:nth-child(2n+1){border-right:1px solid #f0f0f0}
.hot-list li a,.recent-list li a{display:block;padding:12px 15px;color:#666;font-size:14px;line-height:1.5}
.hot-list li a:hover,.recent-list li a:hover{background:#f9f9f9;color:#07c160;text-decoration:none}
.site-footer{background:#fff;border-top:1px solid #e5e5e5;padding:20px 0;margin-top:30px;text-align:center;font-size:13px;color:#999}
.site-footer .copyright{margin:0}
.site-footer a{color:#999}
.site-footer a:hover{color:#07c160}
.footer-links{margin-bottom:10px}
.footer-links a{margin:0 12px}
@media(max-width:768px){
.faq-image{max-width:100%}
.site-header .container{flex-direction:column;height:auto;padding:10px 20px}
.main-nav{gap:10px;justify-content:center;margin-top:10px}
.main-nav a{font-size:13px}
.converter-row{flex-direction:column}
.input-group{width:100%}
.swap-btn{width:100%;margin:5px 0}
.convert-btn{width:100%}
.result-main{font-size:22px}
.category-grid{grid-template-columns:repeat(2,1fr)}
.hot-list,.recent-list,.recent-list.two-col,.recent-list.three-col{grid-template-columns:1fr}
.hot-list li,.recent-list li,.recent-list.two-col li,.recent-list.three-col li{border-right:none!important}
.conversion-table .four-col-table th:nth-child(3),.conversion-table .four-col-table th:nth-child(4),.conversion-table .four-col-table td:nth-child(3),.conversion-table .four-col-table td:nth-child(4){display:none}
.conversion-table .four-col-table th:nth-child(1),.conversion-table .four-col-table td:nth-child(1){width:35%}
.conversion-table .four-col-table th:nth-child(2),.conversion-table .four-col-table td:nth-child(2){width:65%}
}