.hcnt-app{max-width:1180px;margin:32px auto;padding:0 18px;color:#17233a;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}.hcnt-app *{box-sizing:border-box}
.hcnt-hero{padding:48px 34px;border-radius:22px;background:linear-gradient(135deg,#16233c,#234c9a);color:#fff}.hcnt-badge{display:inline-block;font-size:11px;letter-spacing:.08em;padding:6px 9px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.08)}.hcnt-hero h1{font-size:42px;margin:15px 0 8px;letter-spacing:-.03em}.hcnt-hero p{margin:0;color:rgba(255,255,255,.76)}
.hcnt-layout{display:grid;grid-template-columns:245px 1fr;gap:18px;margin-top:18px}.hcnt-sidebar{border:1px solid #e4e9f1;border-radius:16px;background:#fff;padding:10px;height:max-content}.hcnt-side-title{font-size:12px;color:#98a2b3;padding:10px}.hcnt-nav{width:100%;display:flex;gap:10px;align-items:center;border:0;background:#fff;text-align:left;padding:11px;border-radius:10px;cursor:pointer;color:#344054;font-size:14px}.hcnt-nav:hover,.hcnt-nav.active{background:#eff6ff;color:#1d4ed8}.hcnt-nav-icon{width:38px;height:30px;display:grid;place-items:center;border-radius:7px;background:#f2f4f7;font-size:10px;font-weight:800}.hcnt-nav.active .hcnt-nav-icon{background:#dbeafe}
.hcnt-main{min-width:0}.hcnt-main-full{margin-top:18px}.hcnt-panel{display:none;background:#fff;border:1px solid #e4e9f1;border-radius:16px;padding:25px}.hcnt-panel.active{display:block}.hcnt-panel-head h2{margin:0 0 6px;font-size:23px}.hcnt-panel-head p{margin:0 0 20px;color:#667085;font-size:14px}.hcnt-form{display:flex;gap:9px}.hcnt-form input,.hcnt-form select{height:48px;border:1px solid #d0d5dd;border-radius:9px;padding:0 13px;font-size:14px;outline:0;background:#fff}.hcnt-form input{flex:1;min-width:0}.hcnt-form input:focus,.hcnt-form select:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.hcnt-form button{border:0;border-radius:9px;background:#2563eb;color:#fff;font-weight:700;padding:0 22px;cursor:pointer}.hcnt-form button:disabled{opacity:.6}.hcnt-hints{font-size:12px;color:#98a2b3;margin-top:9px}.hcnt-message{margin-top:15px;padding:12px 14px;border-radius:9px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}.hcnt-output{margin-top:17px}.hcnt-result-card{border:1px solid #e4e9f1;border-radius:13px;background:#fff;padding:19px;margin-bottom:13px}.hcnt-result-card h3{margin:0 0 14px;font-size:17px}.hcnt-result-card table{width:100%;border-collapse:collapse}.hcnt-result-card th,.hcnt-result-card td{text-align:left;padding:10px 0;border-bottom:1px solid #eef1f5;vertical-align:top;font-size:13px}.hcnt-result-card tr:last-child th,.hcnt-result-card tr:last-child td{border-bottom:0}.hcnt-result-card th{width:190px;color:#667085;font-weight:500}.hcnt-dns-group{display:flex;flex-direction:column;gap:7px}.hcnt-dns-group strong{font-size:12px;color:#475467}.hcnt-dns-group code{display:block;padding:9px 11px;background:#f8fafc;border-radius:7px;word-break:break-all;font-size:12px}.hcnt-result-card details{margin-top:15px}.hcnt-result-card summary{cursor:pointer;color:#667085;font-size:12px}.hcnt-result-card pre{background:#0b1220;color:#dbeafe;padding:14px;border-radius:9px;overflow:auto;font-size:11px;max-height:400px}.hcnt-empty{padding:20px;text-align:center;color:#98a2b3;background:#f8fafc;border-radius:9px}
.hcnt-tool-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.hcnt-tool-cards button{background:#fff;border:1px solid #e4e9f1;border-radius:13px;text-align:left;padding:17px;cursor:pointer}.hcnt-tool-cards button:hover{border-color:#b8c7e5;transform:translateY(-1px)}.hcnt-tool-cards span{display:block;font-size:10px;font-weight:800;color:#2563eb;margin-bottom:10px}.hcnt-tool-cards strong{display:block;font-size:14px}.hcnt-tool-cards small{display:block;color:#667085;line-height:1.55;margin-top:6px}
@media(max-width:850px){.hcnt-layout{grid-template-columns:1fr}.hcnt-sidebar{display:grid;grid-template-columns:repeat(2,1fr)}.hcnt-side-title{grid-column:1/-1}.hcnt-tool-cards{grid-template-columns:repeat(2,1fr)}.hcnt-hero h1{font-size:34px}}
@media(max-width:560px){.hcnt-app{padding:0 10px}.hcnt-hero{padding:34px 20px;border-radius:17px}.hcnt-form{flex-direction:column}.hcnt-form button{height:46px}.hcnt-sidebar{grid-template-columns:1fr}.hcnt-tool-cards{grid-template-columns:1fr}.hcnt-result-card th{width:125px}.hcnt-panel{padding:18px}}

.hcnt-local-form button{min-width:220px;height:48px}

/* v1.2.0 - 独立工具入口页 */
.hcnt-hub{max-width:1180px}
.hcnt-hub-hero{padding:54px 38px;background:linear-gradient(135deg,#10284d 0%,#173d78 62%,#244f98 100%)}
.hcnt-hub-hero h1{font-size:44px}
.hcnt-hub-summary{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 6px}
.hcnt-hub-summary span{display:inline-flex;align-items:center;min-height:36px;padding:7px 12px;border:1px solid #e4e9f1;border-radius:999px;background:#fff;color:#667085;font-size:12px}
.hcnt-hub-summary strong{color:#17233a;margin-right:4px}
.hcnt-hub-section{margin-top:28px}
.hcnt-hub-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.hcnt-hub-section-head h2{margin:0;font-size:20px;color:#17233a;letter-spacing:-.01em}
.hcnt-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.hcnt-hub-card{position:relative;display:grid;grid-template-columns:58px minmax(0,1fr) 26px;align-items:center;gap:14px;min-height:126px;padding:22px;border:1px solid #e4e9f1;border-radius:16px;background:#fff;color:#17233a;text-decoration:none!important;box-shadow:0 2px 10px rgba(16,40,77,.025);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.hcnt-hub-card:hover{transform:translateY(-2px);border-color:#b9cae7;box-shadow:0 10px 28px rgba(16,40,77,.08);color:#17233a}
.hcnt-hub-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:14px;background:#eef4ff;color:#1d4ed8;font-size:11px;font-weight:800;letter-spacing:.02em}
.hcnt-hub-copy{min-width:0}
.hcnt-hub-copy strong{display:block;font-size:17px;line-height:1.35;margin-bottom:7px}
.hcnt-hub-copy small{display:block;color:#667085;font-size:13px;line-height:1.65}
.hcnt-hub-arrow{font-size:22px;color:#98a2b3;transition:transform .18s ease,color .18s ease}
.hcnt-hub-card:hover .hcnt-hub-arrow{transform:translateX(3px);color:#ff365e}
.hcnt-hub-note{margin-top:28px;padding:16px 18px;border:1px solid #e4e9f1;border-radius:13px;background:#f8fafc;color:#667085;font-size:12px;line-height:1.7}
.hcnt-hub-note strong{color:#344054}
@media(max-width:760px){.hcnt-hub-grid{grid-template-columns:1fr}.hcnt-hub-hero{padding:40px 24px}.hcnt-hub-hero h1{font-size:36px}.hcnt-hub-card{min-height:112px;padding:18px}}
@media(max-width:420px){.hcnt-hub-card{grid-template-columns:48px minmax(0,1fr) 20px;gap:11px}.hcnt-hub-icon{width:48px;height:48px;border-radius:12px}.hcnt-hub-copy strong{font-size:16px}}