*,::before,::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f0f4f8;--card:#fff;--navy:#1e293b;--primary:#2563EB;--muted:#94a3b8;--border:#e2e8f0;--hover:#eff6ff}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--navy);min-height:100vh}
.header{background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#1e40af 100%);padding:40px 24px 32px;text-align:center}
.hl-logo{height:36px;width:auto;margin-right:10px;vertical-align:middle}.header .htitle{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px}
.header h1{font-size:28px;color:#fff;font-weight:800;letter-spacing:1px}
.header p{font-size:14px;color:#93c5fd;margin-top:8px}
.stats{margin-top:16px;display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.stats span{color:#bfdbfe;font-size:13px}
.stats b{color:#fff;font-size:18px;display:block}
.wrap{max-width:1400px;margin:0 auto;padding:24px}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.search-box{flex:1;min-width:240px;position:relative}
.search-box input{width:100%;padding:12px 16px 12px 42px;border:2px solid var(--border);border-radius:10px;font-size:14px;outline:none;transition:border-color 0.2s}
.search-box input:focus{border-color:var(--primary)}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.toolbar button{padding:10px 20px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all 0.2s}
.btn-expand{background:#fff;border:1.5px solid var(--border);color:var(--navy)}
.btn-expand:hover{background:var(--hover);border-color:var(--primary);color:var(--primary)}
.btn-collapse{background:#fff;border:1.5px solid var(--border);color:var(--navy)}
.btn-collapse:hover{background:var(--hover);border-color:var(--primary);color:var(--primary)}
.count-info{font-size:13px;color:var(--muted);white-space:nowrap}
.domain-group{margin-bottom:14px;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.domain-group:last-child{margin-bottom:0}
.dg-head{background:#fff;padding:8px 14px;font-size:13px;font-weight:700;color:#475569;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.dg-head .dg-badge{font-size:11px;background:var(--primary);color:#fff;padding:2px 8px;border-radius:4px;font-weight:600}
.dg-body{padding:8px 12px;background:#f9fafb;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:5px}
.product-card{background:var(--card);border-radius:12px;margin-bottom:12px;border:1px solid var(--border);overflow:hidden;transition:box-shadow 0.2s}
.product-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.card-header{display:flex;align-items:center;gap:12px;padding:14px 20px;cursor:pointer;user-select:none;transition:background 0.15s}
.card-header:hover{background:#fafbfc}
.card-icon{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#1d4ed8);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:800;flex-shrink:0}
.card-title{font-size:15px;font-weight:700;flex:1}
.card-count{font-size:12px;color:var(--muted);margin-right:8px}
.card-arrow{color:var(--muted);transition:transform 0.25s;font-size:14px}
.product-card.open .card-arrow{transform:rotate(180deg)}
.card-body{display:none;border-top:1px solid var(--border);padding:16px 20px;background:#fafbfc}
.product-card.open .card-body{display:block}
.domain-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;background:#fff;border:1px solid var(--border);font-size:13px;transition:all 0.15s;text-decoration:none;color:var(--navy)}
.domain-item:hover{border-color:var(--primary);background:var(--hover)}
.domain-item .letter{width:24px;height:24px;border-radius:5px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;text-transform:uppercase}
.domain-item:hover .letter{background:#1d4ed8}
.domain-item .url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.product-card.card-hide{display:none}
@media(max-width:768px){.header{padding:28px 16px 24px}.hl-logo{height:36px;width:auto;margin-right:10px;vertical-align:middle}.header .htitle{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px}
.header h1{font-size:22px}.dg-body{grid-template-columns:repeat(2,1fr)}.toolbar{flex-direction:column;align-items:stretch}.search-box{min-width:100%}.card-header{padding:12px 16px}.card-body{padding:12px 16px}}
@media(max-width:480px){.dg-body{grid-template-columns:1fr}}
/* 404页面 */
.e404{text-align:center;padding:80px 24px;max-width:600px;margin:0 auto}
.e404 h2{font-size:120px;font-weight:900;background:linear-gradient(135deg,#1e3a5f,#2563EB);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.e404 h3{font-size:24px;color:var(--navy);margin:16px 0 8px}
.e404 p{color:var(--muted);font-size:15px;margin-bottom:28px}
.e404 a{display:inline-block;padding:12px 32px;background:var(--primary);color:#fff;border-radius:8px;text-decoration:none;font-size:15px;font-weight:600;transition:opacity 0.2s}
.e404 a:hover{opacity:.9}
/* 内容页通用 */
.cp-wrap{max-width:960px;margin:0 auto;padding:24px}
.cp-hero{background:linear-gradient(135deg,#0f172a,#1e3a5f);border-radius:16px;padding:48px 40px;text-align:center;color:#fff;margin-bottom:32px}
.cp-hero h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cp-hero .cp-tag{font-size:16px;color:#93c5fd}
.cp-section{background:#fff;border-radius:12px;padding:32px;margin-bottom:20px;border:1px solid var(--border)}
.cp-section h3{font-size:20px;color:var(--navy);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.cp-section p{font-size:15px;color:#475569;line-height:2}
.cp-feats{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.cp-feat{background:#f0f7ff;padding:16px 20px;border-radius:8px;font-size:14px;color:var(--navy);border-left:3px solid var(--primary);font-weight:500}
.cp-back{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border:2px solid var(--border);border-radius:8px;color:var(--navy);font-size:14px;font-weight:600;text-decoration:none;transition:all 0.2s;margin-top:8px}
.cp-back:hover{border-color:var(--primary);color:var(--primary)}
.cp-domains{margin-bottom:20px}
.cp-stats{display:flex;justify-content:center;gap:24px;margin-bottom:18px}
.cp-stats span{color:var(--muted);font-size:13px}
.cp-stats b{color:var(--primary);font-size:20px;display:block}
@media(max-width:768px){
  .cp-hero{padding:32px 20px}
  .cp-hero h2{font-size:24px}
  .cp-section{padding:20px}
  .cp-feats{grid-template-columns:1fr}
}