*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;}
body{background:#f8f9fa;color:#333;line-height:1.6;min-height:100vh;}
.container{max-width:800px;margin:0 auto;padding:0 15px;}
.header{padding:30px 0;text-align:center;margin-bottom:30px;}
.logo{font-size:32px;font-weight:600;color:#1890ff;margin-bottom:10px;}
.tagline{color:#666;font-size:14px;}
.search-box{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 12px rgba(0,0,0,0.08);margin-bottom:30px;}
.search-form{display:flex;gap:10px;max-width:400px;margin:0 auto;}
.search-input{flex:1;padding:12px 15px;font-size:14px;border:1px solid #d9d9d9;border-radius:6px;outline:none;}
.search-input:focus{border-color:#1890ff;}
.search-btn{padding:12px 25px;background:#1890ff;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;}
.features{margin-bottom:30px;}
.features h3{color:#333;margin-bottom:15px;font-weight:500;font-size:16px;}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.feature-item{background:#fff;border-radius:6px;padding:15px;text-align:center;box-shadow:0 1px 6px rgba(0,0,0,0.05);}
.feature-icon{font-size:20px;margin-bottom:8px;}
.feature-text{font-size:12px;color:#666;}
.recent-searches{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 12px rgba(0,0,0,0.08);margin-bottom:30px;}
.recent-title{color:#333;margin-bottom:15px;font-weight:500;font-size:16px;}
.recent-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.recent-item{background:#f8f9fa;border-radius:4px;padding:8px 12px;}
.recent-domain{font-size:12px;color:#333;}
.footer{background:#fff;border-top:1px solid #eaeaea;padding:30px 0;margin-top:30px;}
.footer-content{max-width:800px;margin:0 auto;padding:0 15px;}
.footer-links{display:flex;justify-content:center;gap:20px;margin-bottom:20px;}
.footer-links a{color:#666;text-decoration:none;font-size:12px;}
.footer-info{text-align:center;color:#999;font-size:12px;line-height:1.6;}
.top-header{padding:15px 0;border-bottom:1px solid #eaeaea;margin-bottom:20px;}
.header-content{display:flex;justify-content:space-between;align-items:center;gap:15px;}
.top-search{flex:1;max-width:300px;}
.top-search .search-form{max-width:100%;}
.domain-header{background:#fff;border-radius:10px;padding:15px;margin-bottom:20px;box-shadow:0 4px 12px rgba(0,0,0,0.08);}
.domain-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:0;flex-wrap:nowrap;gap:15px;}
.domain-info{flex:1;min-width:200px;}
.domain-name{font-size:20px;font-weight:600;color:#333;margin-bottom:5px;}
.domain-site-name{color:#1890ff;font-size:14px;margin-bottom:8px;}
.domain-ip-row{display:flex;align-items:center;gap:10px;}
.domain-ip-label{color:#666;font-size:12px;}
.domain-ip-value{color:#333;font-size:12px;font-weight:500;}
.domain-thumbnail{width:100px;height:75px;flex-shrink:0;}
.screenshot-wrapper{width:100px;height:75px;border-radius:4px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,0.1);position:relative;border:1px solid #eaeaea;}
.site-screenshot{width:100%;height:100%;object-fit:cover;display:none;}
.screenshot-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#f8f9fa;color:#999;font-size:11px;}
.domain-actions{display:flex;flex-direction:column;gap:5px;align-items:flex-end;min-width:120px;}
.action-btn{padding:6px 15px;background:#fff;border:1px solid #1890ff;color:#1890ff;border-radius:4px;cursor:pointer;font-size:12px;}
.cache-info{color:#faad14;font-size:11px;text-align:right;}
.data-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:15px;margin:20px 0;}
.data-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 6px rgba(0,0,0,0.06);text-align:center;}
.data-label{color:#888;font-size:12px;margin-bottom:10px;}
.data-value{font-size:24px;font-weight:600;color:#333;margin-bottom:5px;}
.data-desc{color:#666;font-size:11px;}
.info-section{background:#fff;border-radius:10px;padding:20px;margin:20px 0;box-shadow:0 4px 12px rgba(0,0,0,0.08);}
.section-title{font-size:16px;color:#333;margin-bottom:15px;font-weight:500;}
.meta-grid{display:grid;gap:12px;}
.meta-item{border-left:2px solid #1890ff;padding-left:12px;}
.meta-label{color:#666;font-size:12px;margin-bottom:5px;}
.meta-content{color:#333;font-size:13px;line-height:1.5;}
.loading-box{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,0.7);padding:20px;border-radius:8px;text-align:center;z-index:9999;display:none;}
.loading-spinner{width:30px;height:30px;border:3px solid #f3f3f3;border-top:3px solid #1890ff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 10px;}
@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}
.loading-text{color:#fff;font-size:14px;}
.seo-section{background:#fff;border-radius:10px;padding:20px;margin:20px 0;box-shadow:0 4px 12px rgba(0,0,0,0.08);border-left:4px solid #52c41a;}
.seo-section h4{color:#333;margin-bottom:15px;font-weight:500;font-size:16px;border-bottom:1px solid #f0f0f0;padding-bottom:8px;}
.seo-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;}
.seo-item{background:#fafafa;border-radius:6px;padding:12px;}
.seo-label{color:#666;font-size:12px;margin-bottom:5px;}
.seo-value{color:#333;font-size:13px;font-weight:500;}
.weight-image{max-height:30px;width:auto;margin:10px 0;}
.back-to-top{position:fixed;bottom:30px;right:30px;width:40px;height:40px;background:#1890ff;color:#fff;border-radius:50%;display:none;align-items:center;justify-content:center;font-size:24px;cursor:pointer;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.2);line-height:1;}
.ip-value-small{font-size:18px !important;}
.home-link{display:inline-block;padding:6px 12px;background:#52c41a;color:#fff;border-radius:4px;text-decoration:none;font-size:12px;}
.domain-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin:20px 0;}
.domain-info-item{background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 6px rgba(0,0,0,0.06);}
.domain-info-item h4{color:#1890ff;font-size:14px;margin-bottom:10px;}
.domain-info-item p{margin:5px 0;font-size:12px;}
.domain-status{display:inline-block;padding:2px 8px;border-radius:12px;font-size:10px;font-weight:500;}
.domain-status-active{background:#f6ffed;color:#52c41a;}
.domain-status-expired{background:#fff2e8;color:#fa541c;}
.domain-status-unknown{background:#f0f0f0;color:#8c8c8c;}
.dns-servers-list{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px;}
.dns-server-tag{background:#e6f7ff;color:#1890ff;padding:2px 8px;border-radius:12px;font-size:10px;}
.registrar-info{font-size:11px;color:#666;margin-top:10px;}
.time-info{font-size:11px;color:#666;margin-top:10px;}
.email-info{font-size:11px;color:#666;margin-top:10px;}
@media (max-width:768px){
    .search-form{flex-direction:column;}
    .search-btn{width:100%;}
    .feature-grid{grid-template-columns:repeat(2,1fr);}
    .recent-list{grid-template-columns:1fr;}
    .footer-links{flex-wrap:wrap;gap:15px;}
    .header-content{flex-direction:column;}
    .top-search{max-width:100%;}
    .domain-title-row{flex-direction:row;flex-wrap:wrap;align-items:center;}
    .domain-thumbnail{width:80px;height:60px;margin:10px 0 0 0;}
    .domain-actions{width:100%;align-items:flex-start;margin-top:10px;}
    .data-grid{grid-template-columns:repeat(2,1fr);}
    .domain-info-grid{grid-template-columns:1fr;}
    .seo-content{grid-template-columns:1fr;}
    .back-to-top{bottom:20px;right:20px;width:36px;height:36px;font-size:20px;}
}