:root{
  --aitr-bg:#f8fafc;
  --aitr-surface:#ffffff;
  --aitr-surface-2:#f1f5f9;
  --aitr-text:#111827;
  --aitr-muted:#64748b;
  --aitr-border:#e5e7eb;
  --aitr-primary:#2563eb;
  --aitr-primary-soft:#eff6ff;
  --aitr-green:#16a34a;
  --aitr-green-soft:#ecfdf5;
  --aitr-orange:#f97316;
  --aitr-shadow:0 12px 35px rgba(15,23,42,.06);
  --aitr-radius:18px;
  --aitr-radius-sm:12px;
  --aitr-container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--aitr-bg);color:var(--aitr-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}.aitr-container{width:min(var(--aitr-container),calc(100% - 36px));margin-inline:auto}.aitr-skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 14px;z-index:99}.aitr-skip:focus{left:10px}.aitr-site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);border-bottom:1px solid var(--aitr-border);backdrop-filter:blur(12px)}.aitr-header-inner{height:68px;display:flex;align-items:center;gap:18px}.aitr-brand{display:inline-flex;align-items:center;gap:10px;font-weight:850;letter-spacing:-.02em;white-space:nowrap}.aitr-brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-size:13px}.aitr-brand-text{font-size:17px}.aitr-main-nav{display:flex;align-items:center;min-width:0}.aitr-menu{display:flex;align-items:center;gap:14px;list-style:none;margin:0;padding:0;color:var(--aitr-muted);font-size:14px}.aitr-menu a:hover{color:var(--aitr-primary)}.aitr-header-search{margin-left:auto;display:flex;align-items:center}.aitr-header-search input{width:250px;border:1px solid var(--aitr-border);background:var(--aitr-surface-2);border-radius:999px;padding:10px 14px;outline:none}.aitr-header-search input:focus{border-color:#bfdbfe;background:#fff;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.aitr-header-submit,.aitr-footer-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #bfdbfe;background:var(--aitr-primary);color:#fff;border-radius:999px;padding:10px 14px;font-weight:750;font-size:14px;box-shadow:0 10px 24px rgba(37,99,235,.18)}.aitr-main{min-height:70vh}.aitr-hero{padding:64px 0 34px;background:radial-gradient(800px 420px at 50% -10%,rgba(37,99,235,.14),transparent 60%),linear-gradient(#fff,#f8fafc);text-align:center}.aitr-hero h1,.aitr-page-title h1{font-size:clamp(42px,6vw,74px);line-height:.95;letter-spacing:-.045em;margin:8px 0 16px;color:#1f2a44}.aitr-hero p,.aitr-page-title p{color:var(--aitr-muted);font-size:18px;margin:0 auto;max-width:690px}.aitr-kicker{display:inline-flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:850;color:var(--aitr-primary);margin:0}.aitr-hero-search{margin:28px auto 0;display:flex;width:min(680px,100%);background:#fff;border:1px solid var(--aitr-border);border-radius:999px;padding:7px;box-shadow:var(--aitr-shadow)}.aitr-hero-search input{flex:1;border:0;outline:0;padding:12px 16px;background:transparent;font-size:15px}.aitr-hero-search button{border:0;background:var(--aitr-primary);color:#fff;border-radius:999px;padding:0 22px;font-weight:800;cursor:pointer}.aitr-page-title{padding:52px 0 28px;background:#fff;border-bottom:1px solid var(--aitr-border)}.aitr-page-title h1{font-size:clamp(34px,5vw,58px);text-align:left}.aitr-page-title p{margin-left:0}.aitr-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 260px;gap:22px;align-items:start;padding:28px 0 54px}.aitr-left-col,.aitr-right-col{position:sticky;top:88px}.aitr-sidebar-card{background:var(--aitr-surface);border:1px solid var(--aitr-border);border-radius:var(--aitr-radius);padding:16px;box-shadow:0 8px 28px rgba(15,23,42,.04);margin-bottom:16px}.aitr-sidebar-card h3{font-size:15px;margin:0 0 14px;letter-spacing:-.01em}.aitr-category-sidebar ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}.aitr-category-sidebar a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:12px;color:#334155;font-weight:650;font-size:14px}.aitr-category-sidebar a:hover,.aitr-category-sidebar .is-active a{background:var(--aitr-primary-soft);color:var(--aitr-primary)}.aitr-category-sidebar em{font-style:normal;background:#eef2f7;color:#64748b;border-radius:999px;padding:2px 8px;font-size:12px}.aitr-tabs{display:flex;align-items:center;gap:4px;border-bottom:1px solid var(--aitr-border);margin-bottom:18px;overflow-x:auto}.aitr-tabs a{white-space:nowrap;padding:13px 14px;border-bottom:2px solid transparent;color:var(--aitr-muted);font-weight:750;font-size:14px}.aitr-tabs a:hover,.aitr-tabs a.is-active{color:var(--aitr-primary);border-color:var(--aitr-primary)}.aitr-list-head{display:flex;align-items:end;justify-content:space-between;margin:0 0 14px}.aitr-list-head h2{font-size:20px;margin:0;letter-spacing:-.02em}.aitr-list-head span{color:var(--aitr-muted);font-size:13px}.aitr-tool-list{display:grid;gap:12px}.aitr-tool-card{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--aitr-surface);border:1px solid var(--aitr-border);border-radius:var(--aitr-radius);padding:16px;box-shadow:0 5px 22px rgba(15,23,42,.035);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.aitr-tool-card:hover{transform:translateY(-1px);border-color:#d3dcef;box-shadow:var(--aitr-shadow)}.aitr-tool-logo{width:58px;height:58px;border-radius:15px;border:1px solid var(--aitr-border);background:#fff;display:grid;place-items:center;overflow:hidden;flex:none}.aitr-tool-logo img{width:100%;height:100%;object-fit:contain;padding:6px}.aitr-tool-logo span{font-size:22px;font-weight:900;color:var(--aitr-primary)}.aitr-tool-title-row{display:flex;align-items:center;gap:8px;min-width:0}.aitr-tool-title{font-size:17px;line-height:1.25;margin:0;letter-spacing:-.015em}.aitr-tool-title a:hover{color:var(--aitr-primary)}.aitr-tool-desc{margin:4px 0 8px;color:var(--aitr-muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.aitr-tool-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.aitr-category-pill,.aitr-tag{font-size:12px;font-weight:700;color:var(--aitr-primary);background:var(--aitr-primary-soft);border-radius:999px;padding:4px 8px}.aitr-tag{background:transparent;padding:0;color:#3b82f6}.aitr-badge{display:inline-flex;align-items:center;border-radius:999px;background:#fef3c7;color:#92400e;font-size:11px;font-weight:850;padding:3px 7px}.aitr-badge.is-sponsored{background:#fff7ed;color:#c2410c}.aitr-card-actions{display:flex;align-items:center;gap:10px}.aitr-upvote-button{width:58px;min-height:54px;border:1px solid #bfdbfe;background:var(--aitr-primary-soft);color:var(--aitr-primary);border-radius:14px;display:grid;place-items:center;gap:2px;padding:7px;cursor:pointer;font-weight:900;transition:transform .15s ease,background .15s ease,border-color .15s ease}.aitr-upvote-button:hover{transform:translateY(-1px);background:#dbeafe}.aitr-upvote-button.is-voted{background:var(--aitr-green-soft);border-color:#bbf7d0;color:var(--aitr-green);cursor:default}.aitr-upvote-button.has-error{animation:aitr-shake .35s ease}.aitr-upvote-icon{font-size:14px;line-height:1}.aitr-upvote-count{font-size:13px}.aitr-visit-pill{display:grid;place-items:center;min-width:58px;min-height:54px;border:1px solid #bbf7d0;background:var(--aitr-green-soft);color:var(--aitr-green);border-radius:14px;font-size:12px;font-weight:850}.aitr-trending ol{margin:0;padding-left:20px;display:grid;gap:11px}.aitr-trending li::marker{font-weight:800;color:var(--aitr-muted)}.aitr-trending a{font-weight:800;font-size:14px;display:block}.aitr-trending a:hover{color:var(--aitr-primary)}.aitr-trending span{display:block;color:var(--aitr-muted);font-size:12px}.aitr-submit-card{background:linear-gradient(135deg,#eff6ff,#fff)}.aitr-submit-card p{color:var(--aitr-muted);margin:0 0 14px}.aitr-submit-card a{display:flex;justify-content:center;background:var(--aitr-primary);color:#fff;border-radius:999px;padding:10px 14px;font-weight:850}.aitr-empty,.aitr-panel{background:#fff;border:1px solid var(--aitr-border);border-radius:var(--aitr-radius);padding:22px;box-shadow:0 5px 22px rgba(15,23,42,.035)}.aitr-pagination{margin-top:22px}.aitr-pagination ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.aitr-pagination a,.aitr-pagination span{display:grid;place-items:center;min-width:38px;height:38px;border:1px solid var(--aitr-border);border-radius:12px;background:#fff;color:#334155;font-weight:800}.aitr-pagination .current{background:var(--aitr-primary);border-color:var(--aitr-primary);color:#fff}.aitr-single-hero{background:#fff;border-bottom:1px solid var(--aitr-border);padding:46px 0}.aitr-single-hero-inner{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;align-items:center}.aitr-single-logo{width:96px;height:96px;border:1px solid var(--aitr-border);border-radius:24px;display:grid;place-items:center;background:#fff;box-shadow:var(--aitr-shadow)}.aitr-single-logo img{width:100%;height:100%;object-fit:contain;padding:10px}.aitr-single-kickers{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.aitr-single-kickers a{font-size:12px;font-weight:850;color:var(--aitr-primary);background:var(--aitr-primary-soft);border-radius:999px;padding:4px 9px}.aitr-single-title h1{font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.045em;margin:0 0 12px}.aitr-single-title p{font-size:18px;color:var(--aitr-muted);max-width:760px;margin:0}.aitr-single-actions{display:flex;align-items:center;gap:12px;margin-top:20px}.aitr-visit-button,.aitr-side-visit{display:inline-flex;align-items:center;justify-content:center;background:var(--aitr-primary);color:#fff;border-radius:14px;padding:14px 18px;font-weight:900;box-shadow:0 12px 26px rgba(37,99,235,.18)}.aitr-single-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;padding:30px 0 60px;align-items:start}.aitr-single-main{display:grid;gap:18px}.aitr-panel h2{font-size:24px;margin:0 0 14px;letter-spacing:-.025em}.aitr-panel p{color:#334155}.aitr-pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:22px}.aitr-check-list,.aitr-minus-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}.aitr-check-list li,.aitr-minus-list li{position:relative;padding-left:26px;color:#334155}.aitr-check-list li:before{content:'✓';position:absolute;left:0;color:var(--aitr-green);font-weight:900}.aitr-minus-list li:before{content:'–';position:absolute;left:0;color:#dc2626;font-weight:900}.aitr-single-side{position:sticky;top:88px}.aitr-detail-list{display:grid;grid-template-columns:1fr;gap:3px;margin:0 0 16px}.aitr-detail-list dt{color:var(--aitr-muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:850}.aitr-detail-list dd{margin:0 0 10px;font-weight:800}.aitr-side-visit{width:100%;border-radius:999px}.aitr-tag-cloud{display:flex;flex-wrap:wrap;gap:7px}.aitr-tag-cloud span{background:var(--aitr-primary-soft);color:var(--aitr-primary);border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800}.aitr-faq-list{display:grid;gap:10px}.aitr-faq-list details{border:1px solid var(--aitr-border);border-radius:14px;padding:12px 14px;background:#fff}.aitr-faq-list summary{font-weight:850;cursor:pointer}.aitr-site-footer{background:#0f172a;color:#e2e8f0;margin-top:30px}.aitr-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding:42px 0}.aitr-footer-brand{font-size:19px;font-weight:900}.aitr-site-footer p{color:#94a3b8}.aitr-site-footer h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px;color:#fff}.aitr-footer-menu{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:#cbd5e1}.aitr-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;color:#94a3b8;font-size:13px}.aitr-submit-page{padding:36px 0 60px}.aitr-submit-wrap{max-width:920px;margin:0 auto}.aitr-submit-intro{background:#fff;border:1px solid var(--aitr-border);border-radius:24px;padding:28px;box-shadow:var(--aitr-shadow)}.aitr-submit-intro h1{font-size:44px;letter-spacing:-.04em;margin:6px 0 10px}.aitr-payment-note{margin-top:18px;background:#fff7ed;border:1px solid #fed7aa;border-radius:16px;padding:14px;color:#7c2d12}.aitr-plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}.aitr-plan-card{display:grid;gap:6px;background:#fff;border:1px solid var(--aitr-border);border-radius:18px;padding:18px;box-shadow:0 5px 22px rgba(15,23,42,.035)}.aitr-plan-card input{display:none}.aitr-plan-title{font-weight:900}.aitr-plan-price{font-size:26px;font-weight:950;color:var(--aitr-primary)}.aitr-plan-desc{color:var(--aitr-muted);font-size:14px}.aitr-submit-form{background:#fff;border:1px solid var(--aitr-border);border-radius:24px;padding:22px;display:grid;gap:16px;box-shadow:var(--aitr-shadow)}.aitr-form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.aitr-submit-form label{display:grid;gap:7px;font-weight:800;color:#334155}.aitr-submit-form input,.aitr-submit-form select,.aitr-submit-form textarea{width:100%;border:1px solid var(--aitr-border);border-radius:14px;padding:12px;background:#fff;outline:none;font:inherit}.aitr-submit-form input:focus,.aitr-submit-form select:focus,.aitr-submit-form textarea:focus{border-color:#bfdbfe;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.aitr-submit-button{border:0;background:var(--aitr-primary);color:#fff;border-radius:16px;padding:14px 18px;font-weight:950;cursor:pointer}.aitr-form-message{border-radius:16px;padding:14px;margin:18px 0;font-weight:800}.aitr-form-message.is-success{background:var(--aitr-green-soft);color:var(--aitr-green);border:1px solid #bbf7d0}.aitr-form-message.is-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.aitr-hp{display:none!important}@keyframes aitr-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}@media (max-width:1100px){.aitr-layout{grid-template-columns:200px minmax(0,1fr)}.aitr-right-col{display:none}.aitr-header-search input{width:210px}}@media (max-width:820px){.aitr-header-inner{height:auto;min-height:66px;flex-wrap:wrap;padding:12px 0}.aitr-header-search{order:4;width:100%;margin-left:0}.aitr-header-search input{width:100%}.aitr-main-nav{display:none}.aitr-layout{grid-template-columns:1fr;padding-top:18px}.aitr-left-col{position:static}.aitr-category-sidebar ul{grid-template-columns:repeat(2,minmax(0,1fr))}.aitr-tool-card{grid-template-columns:54px minmax(0,1fr);align-items:start}.aitr-card-actions{grid-column:1/-1;justify-content:flex-end}.aitr-single-hero-inner,.aitr-single-layout,.aitr-pros-cons,.aitr-footer-grid,.aitr-form-row,.aitr-plan-grid{grid-template-columns:1fr}.aitr-single-side{position:static}.aitr-hero{padding-top:42px}.aitr-hero h1{font-size:48px}.aitr-hero-search{border-radius:20px;flex-direction:column}.aitr-hero-search button{padding:12px 18px}.aitr-page-title h1{text-align:left}}@media (max-width:520px){.aitr-container{width:min(100% - 24px,var(--aitr-container))}.aitr-header-submit{padding:9px 12px}.aitr-brand-text{display:none}.aitr-category-sidebar ul{grid-template-columns:1fr}.aitr-tool-card{padding:13px;border-radius:16px}.aitr-tabs a{padding:12px 10px}.aitr-single-actions{align-items:stretch;flex-direction:column}.aitr-upvote-button{width:100%}.aitr-visit-button{width:100%}}