*{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;}
.top-nav{position:sticky;top:0;z-index:1000;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 2px 12px rgba(102,126,234,0.3);}
.top-nav-inner{max-width:800px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 15px;height:52px;}
.nav-logo{color:#fff;font-size:17px;font-weight:600;text-decoration:none;white-space:nowrap;letter-spacing:0.5px;}
.nav-menu{display:flex;gap:2px;}
.nav-menu a{color:rgba(255,255,255,0.85);text-decoration:none;font-size:14px;padding:8px 16px;border-radius:6px;transition:all 0.2s;font-weight:500;}
.nav-menu a:hover{background:rgba(255,255,255,0.2);color:#fff;}
@media(max-width:600px){.nav-menu a{padding:6px 10px;font-size:13px;}.nav-logo{font-size:15px;}}
.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:120px;height:90px;flex-shrink:0;}
.screenshot-wrapper{width:100%;height:100%;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.12);position:relative;border:1px solid #eaeaea;background:#f8f9fa;}
.site-screenshot{width:100%;height:100%;object-fit:cover;display:block;transition:transform 0.3s ease;}
.site-screenshot:hover{transform:scale(1.05);}
.screenshot-fallback{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e3f2fd 0%,#bbdefb 100%);color:#1890ff;font-size:12px;text-align:center;overflow:hidden;}
.screenshot-fallback::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:30px;height:30px;border:3px solid #e3f2fd;border-top:3px solid #1890ff;border-radius:50%;animation:spin 1s linear infinite;}
.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;}

/* ===== 权重徽章美化 v2 - 环形仪表盘 ===== */
.weight-badge-card{position:relative;overflow:hidden;padding:26px 16px 22px !important;border-radius:12px !important;transition:all .3s cubic-bezier(.4,0,.2,1);}
.weight-badge-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(0,0,0,.12) !important;}
.weight-badge-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;border-radius:12px 12px 0 0;}
.weight-badge-card.pc::before{background:linear-gradient(90deg,#40a9ff,#1890ff,#0050b3,#1890ff,#40a9ff);background-size:200% 100%;animation:wbShimmer 3s linear infinite;}
.weight-badge-card.mobile::before{background:linear-gradient(90deg,#95de64,#52c41a,#389e0d,#52c41a,#95de64);background-size:200% 100%;animation:wbShimmer 3s linear infinite;}
@keyframes wbShimmer{0%{background-position:0 0;}100%{background-position:200% 0;}}

.wb-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;}

/* 环形进度仪表盘 */
.wb-ring{width:84px;height:84px;border-radius:50%;
  background:conic-gradient(var(--c1) calc(var(--pct) * 1%),#eaeaea 0);
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:transform .3s;box-shadow:0 3px 10px rgba(0,0,0,.08);}
.wb-ring:hover{transform:scale(1.08);}
.wb-ring::before{content:'';position:absolute;inset:7px;border-radius:50%;background:#fff;box-shadow:inset 0 1px 4px rgba(0,0,0,.06);}
.wb-num{position:relative;z-index:1;font-size:30px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--c1),var(--c2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* 爱站权重图标容器 */
.wb-icon-box{display:flex;align-items:center;justify-content:center;min-height:84px;}
.wb-aizhan-img{max-height:60px;width:auto;border-radius:6px;transition:transform .3s;}
.wb-aizhan-img:hover{transform:scale(1.08);}

.wb-level{font-size:13px;font-weight:600;color:#555;letter-spacing:.5px;}

/* 流光进度条 */
.wb-bar{width:100%;max-width:150px;height:7px;background:#f0f0f0;border-radius:4px;overflow:hidden;}
.wb-fill{height:100%;border-radius:4px;transition:width .8s cubic-bezier(.4,0,.2,1);}
.wb-fill.pc{background:linear-gradient(90deg,#40a9ff,#1890ff,#0050b3);background-size:200% 100%;animation:wbBarFlow 2.5s linear infinite;}
.wb-fill.mobile{background:linear-gradient(90deg,#95de64,#52c41a,#389e0d);background-size:200% 100%;animation:wbBarFlow 2.5s linear infinite;}
@keyframes wbBarFlow{0%{background-position:0 0;}100%{background-position:200% 0;}}

.wb-max{font-size:11px;color:#bbb;}

/* IP统计卡片排版优化 */
.ip-stat-card{display:flex;flex-direction:column;justify-content:center;min-height:110px;}
.ip-nowrap{white-space:nowrap !important;font-variant-numeric:tabular-nums;word-break:keep-all;letter-spacing:-0.5px;}
.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;}
.tool-section{background:#fff;border:1px solid #009AE5;margin-top:25px;padding-bottom:15px;}
.tool-section h2{margin:0 0 15px 0;padding:0 0 0 15px;line-height:40px;font-size:18px;font-weight:bold;color:#fff;background:#009AE5;text-align:left;}
.tool-links{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;padding:0 15px;}
.tool-links a{background:#f5f5f5;border-radius:10px;padding:15px 10px;text-decoration:none;display:flex;flex-direction:column;align-items:center;transition:all 0.3s ease;}
.tool-links a:hover{transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,0.1);background-color:#fff;}
.tool-icon-box{width:45px;height:45px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:8px;box-shadow:0 2px 6px rgba(0,0,0,0.15);}
.tool-icon-box.blue{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);}
.tool-icon-box.purple{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);}
.tool-icon-box.orange{background:linear-gradient(135deg,#ff9a56 0%,#ff6b6b 100%);}
.tool-icon-box.green{background:linear-gradient(135deg,#43e97b 0%,#38f9d7 100%);}
.tool-icon-box img{width:24px;height:24px;}
.tool-t{font-size:14px;color:#333;font-weight:500;text-align:center;}
.whois-tool{margin:20px 15px 0;border:1px solid #e8e8e8;border-radius:10px;overflow:hidden;}
.whois-tool-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:25px 20px;text-align:center;color:#fff;}
.whois-tool-header h3{font-size:22px;font-weight:700;margin-bottom:8px;}
.whois-tool-header p{font-size:14px;opacity:0.9;}
.whois-tool-search{padding:20px;background:#fafafa;border-bottom:1px solid #f0f0f0;}
.whois-search-form{display:flex;gap:10px;max-width:500px;margin:0 auto;}
.whois-search-form input{flex:1;padding:12px 16px;font-size:14px;border:2px solid #d9d9d9;border-radius:8px;outline:none;transition:border-color 0.2s;}
.whois-search-form input:focus{border-color:#667eea;}
.whois-search-form button{padding:12px 28px;background:#667eea;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background 0.2s;white-space:nowrap;}
.whois-search-form button:hover{background:#5568d3;}
.whois-example{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:12px;}
.whois-example span{color:#999;font-size:13px;}
.whois-example a{padding:3px 12px;background:#fff;border:1px solid #d9d9d9;border-radius:4px;color:#667eea;font-size:13px;text-decoration:none;transition:all 0.2s;}
.whois-example a:hover{background:#667eea;color:#fff;border-color:#667eea;}
.whois-tool-body{padding:20px;background:#fff;}
.whois-block{margin-bottom:25px;}
.whois-block:last-child{margin-bottom:0;}
.whois-block h4{font-size:18px;font-weight:600;color:#333;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid #f0f0f0;}
.whois-block p{font-size:14px;color:#666;line-height:1.8;}
.whois-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;}
.whois-card{background:#f9f9fc;border-radius:10px;padding:20px 15px;text-align:center;transition:all 0.2s;border:1px solid #f0f0f0;}
.whois-card:hover{transform:translateY(-3px);box-shadow:0 4px 15px rgba(102,126,234,0.15);border-color:#667eea;}
.whois-card-icon{font-size:36px;margin-bottom:10px;}
.whois-card-title{font-size:15px;font-weight:600;color:#333;margin-bottom:5px;}
.whois-card-desc{font-size:13px;color:#999;}
.whois-list{list-style:none;padding:0;}
.whois-list li{padding:10px 15px 10px 25px;font-size:14px;color:#555;line-height:1.7;border-bottom:1px solid #f5f5f5;position:relative;}
.whois-list li:last-child{border-bottom:none;}
.whois-list li::before{content:'';position:absolute;left:8px;top:18px;width:6px;height:6px;background:#667eea;border-radius:50%;}
.whois-faq{display:grid;gap:12px;}
.faq-q{font-size:14px;font-weight:600;color:#333;padding:12px 15px 12px 38px;background:#f9f9fc;border-radius:8px;position:relative;cursor:pointer;}
.faq-q::before{content:'Q';position:absolute;left:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;background:#667eea;color:#fff;border-radius:50%;font-size:12px;text-align:center;line-height:20px;font-weight:bold;}
.faq-a{font-size:13px;color:#666;line-height:1.8;padding:12px 15px 12px 38px;position:relative;}
.faq-a::before{content:'A';position:absolute;left:12px;top:12px;width:20px;height:20px;background:#52c41a;color:#fff;border-radius:50%;font-size:12px;text-align:center;line-height:20px;font-weight:bold;}
.whois-source{text-align:center;color:#ccc;font-size:12px;padding-top:15px;border-top:1px solid #f0f0f0;}
.whois-result-box{margin-bottom:25px;border-radius:14px;overflow:hidden;box-shadow:0 2px 16px rgba(0,0,0,0.08);background:#fff;}
.whois-result-banner{padding:12px 20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.whois-banner-left{display:flex;align-items:center;gap:12px;}
.whois-banner-status{font-size:15px;font-weight:600;}
.whois-banner-status::before{content:'●';color:#52c41a;margin-right:6px;font-size:12px;}
.whois-banner-time{font-size:13px;opacity:0.85;background:rgba(255,255,255,0.15);padding:2px 10px;border-radius:20px;}
.whois-banner-seo{font-size:13px;color:#fff;text-decoration:none;padding:5px 14px;background:rgba(255,255,255,0.22);border-radius:6px;transition:all 0.2s;font-weight:500;}
.whois-banner-seo:hover{background:#fff;color:#667eea;}
.whois-result-hero{padding:26px 20px 22px;text-align:center;background:linear-gradient(180deg,#f8f9ff 0%,#fff 100%);border-bottom:1px solid #f0f0f0;}
.whois-hero-domain{font-size:28px;font-weight:700;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px;display:inline-block;}
.whois-hero-sub{font-size:13px;color:#999;}
.whois-info-group{padding:18px 20px;border-bottom:1px solid #f5f5f5;}
.whois-info-group:last-of-type{border-bottom:none;}
.whois-group-title{font-size:14px;font-weight:700;color:#333;margin-bottom:14px;padding:6px 12px;background:linear-gradient(90deg,#eef0ff 0%,#faf0ff 100%);border-radius:6px;display:inline-block;}
.whois-field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.whois-field-card{padding:14px 16px;background:#fafafc;border-radius:10px;border:1px solid #f0f0f5;transition:all 0.2s;}
.whois-field-card:hover{background:#fff;border-color:#d6d9f5;box-shadow:0 2px 8px rgba(102,126,234,0.1);}
.whois-field-label{font-size:12px;color:#999;margin-bottom:5px;font-weight:500;}
.whois-field-value{font-size:15px;color:#333;font-weight:600;word-break:break-all;line-height:1.5;}
.whois-expired{color:#ff4d4f !important;}
.whois-expiring{color:#fa8c16 !important;}
.whois-status-list{display:flex;flex-wrap:wrap;gap:10px;}
.whois-status-badge{display:inline-block;padding:6px 14px;font-size:12px;color:#1890ff;background:linear-gradient(135deg,#e6f7ff 0%,#bae7ff 100%);border:none;border-radius:20px;font-weight:500;}
.whois-ns-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.whois-ns-tag{display:inline-block;padding:7px 14px;font-size:12px;color:#722ed1;background:linear-gradient(135deg,#f9f0ff 0%,#efdbff 100%);border:none;border-radius:8px;font-family:monospace;font-weight:500;}
.whois-na{color:#ccc;font-size:14px;}
.whois-raw-toggle{padding:14px 20px;font-size:14px;font-weight:600;color:#667eea;cursor:pointer;background:#fafbfc;user-select:none;display:flex;align-items:center;gap:6px;transition:background 0.15s;border-top:1px solid #f0f0f0;}
.whois-raw-toggle:hover{background:#f0f2f5;}
.whois-raw{padding:16px 20px;font-size:12px;line-height:1.8;white-space:pre-wrap;word-break:break-all;background:#1e1e2e;color:#cdd6f4;max-height:500px;overflow-y:auto;margin:0;font-family:'Courier New',monospace;}
.whois-error-msg{padding:30px;text-align:center;color:#ff4d4f;font-size:14px;}
@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;}
.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;}
.tool-links{grid-template-columns:repeat(2,1fr);gap:12px;padding:0 10px;}
.tool-links a{padding:12px 8px;}
.tool-icon-box{width:40px;height:40px;}
.tool-icon-box img{width:20px;height:20px;}
.tool-t{font-size:13px;}
.domain-info{min-width:0;flex:1 0 100%;}
.domain-thumbnail{width:100%;height:auto;aspect-ratio:4/3;max-width:200px;margin:10px 0;}
.screenshot-fallback{font-size:11px;}
.screenshot-fallback::after{width:20px;height:20px;border-width:2px;}
.domain-actions{flex-direction:row;flex-wrap:wrap;gap:8px;align-items:center;}
.action-btn{flex:1;min-width:100px;text-align:center;}
.cache-info{width:100%;text-align:left;}
.whois-field-grid{grid-template-columns:1fr;}
.whois-hero-domain{font-size:22px !important;}
.whois-result-banner{flex-direction:row;gap:10px;justify-content:space-between;}
.whois-banner-left{gap:8px;}
.whois-cards{grid-template-columns:repeat(2,1fr);}
.whois-search-form{flex-direction:column;}
.whois-search-form button{width:100%;}
.whois-tool-header h3{font-size:18px;}
.whois-block h4{font-size:16px;}
}