:root{
  --bg:#f0f2f5;
  --card:#fff;
  --text:#222;
  --muted:#888;
  --accent:#1a66ff;
  --accent2:#0d4fd6;
  --ink:#111;
  --line:#e5e8ef;
  --line2:#d0d7e2;
  --soft:#eef3ff;
  --ok:#18a058;--warn:#f0a020;--danger:#d03050;
  --r:6px;
  --shadow:none;
  --shadow-sm:none;
  --c-domain:#1a66ff;
  --c-network:#0d9488;
  --c-web:#e8590c;
  --c-encode:#64748b;
  --header-h:48px;
}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{
  font-family:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif;
  color:var(--text);font-size:13px;line-height:1.5;min-height:100vh;
  background:var(--bg);
}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent2);text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.site-header,.cat-bar,.wrap,.site-foot{position:relative;z-index:1}
.site-header{
  background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;
}
.header-inner,.wrap,.foot-inner{max-width:1180px;margin:0 auto;padding:0 14px}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:12px}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-weight:700;font-size:15px}
.brand:hover{text-decoration:none;color:var(--accent)}
.brand-badge,.brand-logo{
  width:28px;height:28px;border-radius:6px;display:inline-block;flex:0 0 auto;
  object-fit:cover;background:transparent;
}
.brand-badge{
  color:#fff;font-size:11px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);
}
.brand small{display:block;font-size:10px;color:var(--muted);font-weight:400;line-height:1.1;margin-top:1px}
.top-nav{display:flex;align-items:center;flex-wrap:wrap;gap:0}
.top-nav a{
  color:#555;font-size:13px;font-weight:500;padding:6px 9px;border-radius:4px;margin:0;
}
.top-nav a:hover{color:var(--accent);text-decoration:none;background:var(--soft)}
.nav-toggle{display:none;border:1px solid var(--line2);background:#fff;border-radius:4px;padding:5px 9px;cursor:pointer;font-size:12px;color:#555}
.cat-bar{
  background:#fff;border-bottom:1px solid var(--line);padding:0;
}
.cat-inner{
  max-width:1180px;margin:0 auto;padding:0 6px;display:flex;flex-wrap:nowrap;align-items:stretch;
  gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.cat-inner::-webkit-scrollbar{display:none}
.cat-inner a{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;
  color:#666;font-size:13px;font-weight:600;padding:10px 12px;white-space:nowrap;
}
.cat-inner a .cat-dot{width:6px;height:6px;border-radius:50%;background:#bbb}
.cat-inner a[data-cat="domain"] .cat-dot{background:var(--c-domain)}
.cat-inner a[data-cat="network"] .cat-dot{background:var(--c-network)}
.cat-inner a[data-cat="web"] .cat-dot{background:var(--c-web)}
.cat-inner a[data-cat="encode"] .cat-dot{background:var(--c-encode)}
.cat-inner a[data-cat=""] .cat-dot{background:var(--accent)}
.cat-inner a .cat-n{
  font-size:11px;font-weight:600;color:#999;background:#f3f4f6;border-radius:3px;
  padding:0 5px;line-height:16px;min-width:16px;text-align:center;
}
.cat-inner a:hover{color:var(--accent);text-decoration:none;background:#fafbff}
.cat-inner a.active{color:var(--accent)}
.cat-inner a.active .cat-n{background:var(--soft);color:var(--accent)}
.cat-inner a.active:after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;background:var(--accent);
}
.cat-inner a[data-cat="domain"].active{color:var(--c-domain)}
.cat-inner a[data-cat="domain"].active:after{background:var(--c-domain)}
.cat-inner a[data-cat="network"].active{color:var(--c-network)}
.cat-inner a[data-cat="network"].active:after{background:var(--c-network)}
.cat-inner a[data-cat="web"].active{color:var(--c-web)}
.cat-inner a[data-cat="web"].active:after{background:var(--c-web)}
.cat-inner a[data-cat="encode"].active{color:var(--c-encode)}
.cat-inner a[data-cat="encode"].active:after{background:var(--c-encode)}
.wrap{padding:12px 14px 24px}
.breadcrumb{color:var(--muted);font-size:12px;margin:0 0 8px}.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--accent)}

/* ===== home query bar (tool-site, not marketing hero) ===== */
.home-query{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin-bottom:12px;
}
.home-query__row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.home-query__hint{font-size:12px;color:var(--muted);margin:0}
.home-query__hint b{color:var(--accent);font-weight:700}
.home-query__filter{
  margin-left:auto;display:flex;align-items:center;gap:6px;min-width:180px;flex:1;max-width:260px;
}
.home-query__filter input{
  width:100%;height:30px;border:1px solid var(--line2);border-radius:4px;padding:0 10px;
  font-size:12px;font-family:inherit;outline:none;background:#fafafa;
}
.home-query__filter input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 2px rgba(26,102,255,.12)}

.search{
  display:flex;align-items:stretch;margin:0;max-width:100%;height:40px;overflow:hidden;
  border-radius:4px;border:1px solid var(--accent);background:#fff;
}
.search:focus-within{box-shadow:0 0 0 2px rgba(26,102,255,.15)}
.search select{
  width:128px;border:0;border-right:1px solid var(--line);background:#f7f8fa;padding:0 10px;
  font-size:13px;font-family:inherit;outline:none;font-weight:600;color:#333;cursor:pointer;
}
.search input{flex:1;border:0;padding:0 12px;font-size:13px;outline:none;font-family:inherit;height:100%;background:transparent}
.search button{
  border:0;min-width:88px;padding:0 18px;cursor:pointer;font-size:13px;font-family:inherit;font-weight:700;color:#fff;
  background:var(--accent);
}
.search button:hover{background:var(--accent2)}

.home-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:8px;min-height:22px}
.home-chips .chip-label{
  font-size:11px;color:#999;font-weight:600;flex:0 0 auto;
}
.home-chips a,.home-chips button{
  background:transparent;border:0;border-bottom:1px dashed #ccc;color:#666;padding:0 1px;
  font-size:12px;cursor:pointer;font-family:inherit;line-height:1.4;border-radius:0;
}
.home-chips a:hover,.home-chips button:hover{color:var(--accent);border-bottom-color:var(--accent);text-decoration:none}
.home-chips .sep{color:#ddd;font-size:11px;user-select:none}

/* legacy class aliases kept for JS hooks */
.hero,.hero-brand,.hero-tools,.quick{display:contents}
.hero-kicker,.hero-top,.hero h1,.hero-lead,.hero-meta{display:none!important}
.home-block{display:contents}
.home-block .label{display:none}
.hot-list,.recent-list{display:contents}

.sec-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden;
}
.sec-hd{
  display:flex;align-items:center;justify-content:space-between;padding:8px 12px;
  background:#fafbfc;border-bottom:1px solid var(--line);
}
.sec-hd h2{
  margin:0;font-size:13px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:7px;border:0;padding:0;
}
.sec-hd h2:before{
  content:"";width:3px;height:12px;border-radius:1px;background:var(--accent);
}
.sec-box.cat-domain .sec-hd h2:before{background:var(--c-domain)}
.sec-box.cat-network .sec-hd h2:before{background:var(--c-network)}
.sec-box.cat-web .sec-hd h2:before{background:var(--c-web)}
.sec-box.cat-encode .sec-hd h2:before{background:var(--c-encode)}
.sec-hd .cnt{margin-left:6px;font-size:11px;color:#999;font-weight:600}
.sec-bd{padding:0}

.grid{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;
}
@media (max-width:1100px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:800px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.card{
  display:block;padding:9px 12px;margin:0;min-height:0;
  border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  border-radius:0;background:#fff;color:inherit;text-decoration:none;
  transition:background .12s ease;
}
.card:nth-child(5n){border-right:0}
@media (max-width:1100px){.card:nth-child(5n){border-right:1px solid var(--line)}.card:nth-child(4n){border-right:0}}
@media (max-width:800px){.card:nth-child(4n){border-right:1px solid var(--line)}.card:nth-child(3n){border-right:0}}
@media (max-width:560px){.card:nth-child(3n){border-right:1px solid var(--line)}.card:nth-child(2n){border-right:0}}
.card:hover{text-decoration:none;background:#f5f8ff;transform:none;box-shadow:none;border-color:var(--line)}
.card-dot{display:none}
.card-body{min-width:0}
.card h3{
  margin:0;font-size:13px;font-weight:600;color:#222;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;line-height:1.35;
}
.card:hover h3{color:var(--accent)}
.card .desc{
  margin:2px 0 0;font-size:11px;color:#999;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.card.is-hidden{display:none}
.sec-box.is-empty{display:none}

.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:12px;
}
.panel h1,.panel h2{margin:0 0 8px;font-size:16px;font-weight:700;color:var(--ink)}
label{display:block;margin:0 0 4px;color:#555;font-size:12px;font-weight:600}
input,textarea,select{
  width:100%;border:1px solid var(--line2);border-radius:4px;padding:8px 10px;font-size:13px;font-family:inherit;outline:none;background:#fff;
}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(26,102,255,.12)}
textarea{min-height:110px;resize:vertical}
button,.btn{
  border:0;border-radius:4px;padding:8px 14px;cursor:pointer;font-size:13px;font-family:inherit;font-weight:600;
  background:var(--accent);color:#fff;
}
button:hover,.btn:hover{background:var(--accent2)}
button:disabled{opacity:.55;cursor:not-allowed}
pre{
  background:#f7f8fa;border:1px solid var(--line);border-radius:4px;padding:10px 12px;overflow:auto;
  white-space:pre-wrap;word-break:break-all;min-height:48px;margin-top:8px;font-size:12px;color:#333;
}
.meta{color:var(--muted);font-size:12px;margin-top:6px}
.err{color:var(--danger);margin-top:8px;padding:8px 10px;background:#fff5f5;border:1px solid #ffd7de;border-radius:4px}
.kv{width:100%;border-collapse:collapse;margin-top:6px;font-size:12px;background:#fff}
.kv th,.kv td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
.kv th{width:120px;color:#666;background:#fafbfc;font-weight:600}

.site-foot{border-top:1px solid var(--line);background:#fff;padding:18px 0 22px;color:var(--muted);font-size:12px;text-align:center}
.site-foot .foot-inner{max-width:1180px;margin:0 auto;padding:0 14px}
.site-foot .foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 0;margin-bottom:10px}
.site-foot .foot-nav a{color:#666;margin:0 9px;font-weight:500}
.site-foot .foot-nav a:hover{color:var(--accent)}
.site-foot .foot-meta{line-height:1.8;color:#888}
.site-foot .foot-copy{margin:0;color:#666}
.site-foot .foot-legal{margin:4px 0 0}
.site-foot .foot-legal a{color:#888;margin:0 2px}
.site-foot .foot-legal a:hover{color:var(--accent)}
.site-foot .foot-sep{margin:0 7px;color:#ccc;user-select:none}
.jp0999-analysis{position:absolute;width:0;height:0;overflow:hidden}

.related{margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px}
.related h3{margin:0 0 6px;font-size:13px;color:var(--ink);display:flex;align-items:center;gap:6px;border:0;padding:0}
.related h3:before{content:"";width:3px;height:12px;background:var(--accent)}
.related a{display:inline-block;margin:0 6px 6px 0;color:#555;font-size:12px;padding:3px 8px;border:1px solid var(--line);border-radius:3px;background:#fafafa;font-weight:500}
.related a:hover{border-color:#b9d0ff;color:var(--accent);text-decoration:none;background:var(--soft)}
.badge{display:inline-block;min-width:36px;text-align:center;padding:1px 6px;border-radius:3px;font-size:11px;font-weight:700;line-height:1.5;border:1px solid transparent}
.badge.ok{background:#e8f8ef;color:var(--ok);border-color:#b9ebcd}
.badge.warn{background:#fff7e8;color:#b86e00;border-color:#ffe1a8}
.badge.bad{background:#ffecef;color:var(--danger);border-color:#ffc2cc}
.badge.neutral{background:#f3f4f6;color:#666;border-color:#e5e7eb}
.grade{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;font-size:14px;font-weight:800;color:#fff;margin-right:6px;background:var(--accent)}
.grade.A{background:var(--ok)}.grade.B{background:#2080f0}
.grade.C{background:var(--warn)}.grade.D,.grade.E{background:var(--danger)}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:6px 0 10px}
@media (max-width:900px){.stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat{background:#f7f8fa;border:1px solid var(--line);border-radius:4px;padding:8px 10px}
.stat .k{color:var(--muted);font-size:11px;margin-bottom:2px}.stat .v{font-size:14px;font-weight:700;color:var(--ink);word-break:break-all}
.seo-title{font-size:14px;font-weight:700;color:var(--ink);margin:2px 0 8px}.seo-sec{margin-bottom:8px}.seo-sec .sec-hd h2{font-size:13px}
.tool-h1{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--ink)}
.seo-intro{margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.seo-intro h2{margin:0 0 6px;font-size:13px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:6px;border:0;padding:0}
.seo-intro h2:before{content:"";width:3px;height:12px;background:var(--accent)}
.seo-intro p{margin:0 0 6px;color:#666;font-size:12px;line-height:1.7}
.seo-intro p:last-child{margin-bottom:0;color:var(--muted);font-size:12px}
.tool-tip{margin:0 0 8px;padding:8px 10px;background:#f7f8fa;border:1px solid var(--line);border-radius:4px;color:#666;font-size:12px}
.out-box{margin-top:10px;min-height:48px}
.out-empty{margin-top:10px;padding:16px 12px;text-align:center;color:var(--muted);background:#fafafa;border:1px dashed var(--line2);border-radius:4px;font-size:12px}
.out-empty strong{display:block;color:#555;font-size:13px;margin-bottom:2px}
.skeleton{margin-top:10px}.skeleton .sk-line{height:10px;border-radius:3px;margin:8px 0;background:linear-gradient(90deg,#eee 25%,#f7f7f7 37%,#eee 63%);background-size:400% 100%;animation:sk 1.2s ease-in-out infinite}
.skeleton .sk-line.w40{width:40%}.skeleton .sk-line.w60{width:60%}.skeleton .sk-line.w80{width:80%}.skeleton .sk-line.w100{width:100%}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}
.tree{margin:8px 0 0;padding:8px 10px;background:#fafafa;border:1px solid var(--line);border-radius:4px;max-height:360px;overflow:auto}
.tree ul{list-style:none;margin:0;padding-left:14px}.tree>ul{padding-left:0}.tree li{margin:2px 0}
.tree .node{display:inline-flex;align-items:center;gap:4px;padding:1px 6px;border-radius:3px;background:#fff;border:1px solid var(--line);font-size:11px}
.tree .node .cnt{color:var(--muted);font-size:10px}.tree details{margin:1px 0}.tree summary{cursor:pointer;list-style:none}
.tree summary::-webkit-details-marker{display:none}.tree summary:before{content:'\25B8';display:inline-block;width:10px;color:var(--accent);margin-right:2px}
.tree details[open]>summary:before{content:'\25BE'}
.hist{margin-top:8px}.hist-title{font-size:11px;color:var(--muted);margin-bottom:4px;font-weight:600}.hist-list{display:flex;flex-wrap:wrap;gap:6px}
.hist-list button{background:#fff;color:#555;border:1px solid var(--line);padding:3px 9px;border-radius:3px;font-size:11px;cursor:pointer;font-weight:500}
.hist-list button:hover{border-color:var(--accent);color:var(--accent)}
.action-bar,.result-actions{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 8px}
.result-actions button{background:#fff;color:#555;border:1px solid var(--line);font-weight:600;padding:5px 10px;border-radius:4px;font-size:12px;cursor:pointer}
.result-actions button:hover{border-color:var(--accent);color:var(--accent)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#222;color:#fff;padding:8px 14px;border-radius:4px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:50}
.toast.show{opacity:1}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
@media (max-width:800px){.compare-grid{grid-template-columns:1fr}}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:10px 12px}.compare-card h3{margin:0 0 6px;font-size:13px}
.diff-row{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 8px}
.level-ok{color:var(--ok);font-weight:700}.level-warn{color:#b86e00;font-weight:700}.level-bad{color:var(--danger);font-weight:700}
.fav-btn{background:#fff!important;color:#555!important;border:1px solid var(--line)!important;box-shadow:none!important;font-weight:600!important;padding:7px 12px!important;border-radius:4px!important}
.fav-btn.on{border-color:#f0a020!important;color:#b86e00!important;background:#fff8e8!important}
.btn-link{display:inline-block;padding:7px 12px;border-radius:4px;background:var(--soft);border:1px solid #d7e5ff;color:var(--accent);font-weight:700;text-decoration:none;font-size:12px}
.btn-link:hover{background:#e8f0ff;text-decoration:none}
.enc-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.enc-toolbar label{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:#555;margin:0;font-weight:500}
@media print{.site-header,.cat-bar,.site-foot,.related,.hist,.quick,.search,.action-bar,.result-actions,.home-block,.home-query,.breadcrumb,button,.btn{display:none!important}body{background:#fff}.wrap{max-width:100%;padding:0}}
@media (max-width:720px){
  .nav-toggle{display:inline-flex}
  .top-nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding:6px 0 10px}
  .top-nav.open{display:flex}.top-nav a{margin:2px 0}
  .header-inner{height:auto;min-height:var(--header-h);flex-wrap:wrap;padding:8px 14px}
  .home-query__row{flex-direction:column;align-items:stretch}
  .home-query__filter{margin-left:0;max-width:none}
  .search{flex-direction:column;height:auto}
  .search select{width:100%;border-right:0;border-bottom:1px solid var(--line);padding:9px 10px}
  .search input{height:40px}.search button{padding:11px}
}