/* Research title library */
.rt-hero{padding:180px 0 90px;background:radial-gradient(circle at 85% 15%,rgba(255,87,64,.18),transparent 28%),linear-gradient(135deg,#f5f6f8,#fff 52%,#f6efee);border-radius:0 0 46px 46px}.rt-kicker,.rt-section-label{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:#fff;box-shadow:0 6px 18px rgba(21,23,31,.07);font-weight:700;font-size:13px;color:#ff4939}.rt-hero h1{max-width:1050px;margin:26px 0 22px;font-size:clamp(44px,6vw,84px);line-height:.98;letter-spacing:-.055em;color:#17191f}.rt-hero h1 span{display:block;color:#6b6f79}.rt-hero p{max-width:950px;font-size:19px;line-height:1.7;color:#646873}.rt-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.rt-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:56px}.rt-stats>div{padding:23px 24px;border:1px solid rgba(24,25,31,.07);background:rgba(255,255,255,.82);border-radius:20px}.rt-stats strong{display:block;font-size:28px;color:#17191f}.rt-stats span{display:block;margin-top:4px;color:#777b84;font-size:14px}.rt-intro{padding:88px 0 34px}.rt-intro-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:42px;align-items:start}.rt-intro h2,.rt-search-heading h2,.rt-method-grid h2,.rt-faq h2{font-size:clamp(34px,4vw,58px);line-height:1.04;letter-spacing:-.045em;margin:18px 0;color:#25282e}.rt-intro p{font-size:17px;line-height:1.7;color:#6d717b}.rt-checklist{padding:28px;border-radius:26px;background:#16181e;color:white;box-shadow:0 20px 50px rgba(20,22,28,.12)}.rt-checklist h3{color:white;margin-bottom:16px}.rt-checklist ul{display:grid;gap:11px}.rt-checklist li{position:relative;padding-left:24px;color:#c7cad1;line-height:1.45}.rt-checklist li:before{content:'✓';position:absolute;left:0;color:#ff523f;font-weight:800}.rt-domain-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:48px}.rt-domain-nav a{display:flex;gap:10px;align-items:center;padding:15px 16px;border:1px solid #ececf0;border-radius:16px;background:#fff;color:#333741;font-size:13px;font-weight:700;line-height:1.25}.rt-domain-nav a span{width:29px;height:29px;border-radius:9px;display:grid;place-items:center;background:#f2f3f5;color:#ff4d3d;font-size:12px;flex:0 0 auto}.rt-search-wrap{padding:44px 0 22px;position:sticky;top:0;z-index:15;pointer-events:none}.rt-search-box{pointer-events:auto;padding:24px;border-radius:28px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border:1px solid rgba(30,32,38,.08);box-shadow:0 18px 55px rgba(25,27,33,.10)}.rt-search-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.rt-search-heading h2{font-size:32px;margin:10px 0 0}.rt-search-heading #rt-result-count{font-weight:700;color:#ff4d3d;white-space:nowrap}.rt-controls{display:grid;grid-template-columns:minmax(300px,1fr) auto;gap:10px}.rt-search{height:54px;border:1px solid #e4e5e9;border-radius:15px;padding:0 16px;display:flex;align-items:center;gap:10px;background:white}.rt-search span{font-size:24px;color:#8b8f98}.rt-search input{border:0!important;outline:0!important;width:100%;height:100%;background:transparent!important;font-size:15px}.rt-filter-row{display:flex;gap:8px;overflow-x:auto;padding:12px 1px 2px;scrollbar-width:thin}.rt-filter{white-space:nowrap;border:1px solid #e3e4e8;background:#f7f7f8;color:#454851;padding:10px 13px;border-radius:12px;font-size:12px;font-weight:700}.rt-filter.active{background:#17191f;color:white;border-color:#17191f}.rt-domain-section{padding:44px 0}.rt-domain-section:nth-child(even){background:#f6f6f7}.rt-domain-head{max-width:1320px;margin:0 auto 26px;padding:0 15px;display:flex;justify-content:space-between;gap:25px;align-items:end}.rt-domain-head span{color:#ff4f3f;font-weight:700;font-size:13px}.rt-domain-head h2{font-size:42px;letter-spacing:-.04em;color:#25282f;margin:4px 0 8px}.rt-domain-head p{max-width:850px;color:#747883}.rt-domain-head>a{font-weight:700;color:#30333a}.rt-grid{max-width:1320px;margin:auto;padding:0 15px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.rt-card{padding:25px;border-radius:24px;background:#fff;border:1px solid #e9eaed;box-shadow:0 10px 28px rgba(24,26,32,.055);transition:.25s}.rt-card:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(24,26,32,.09)}.rt-card-top{display:flex;align-items:center;gap:8px;margin-bottom:15px}.rt-number{display:grid;place-items:center;width:44px;height:34px;border-radius:10px;background:#17191f;color:#fff;font-size:12px;font-weight:800}.rt-domain,.rt-level{font-size:11px;font-weight:800;border-radius:999px;padding:8px 10px;background:#f3f4f6;color:#5e626c}.rt-level{margin-left:auto;background:#fff3f1;color:#ef4938}.rt-card h3{font-size:24px;line-height:1.22;letter-spacing:-.025em;color:#1e2127;margin:0 0 12px}.rt-focus{color:#656a74;line-height:1.55;min-height:48px}.rt-platforms{margin-top:16px;padding:13px 14px;border-radius:14px;background:#f7f8f9;color:#6a6e77;font-size:13px}.rt-platforms strong{color:#2b2e35}.rt-details{margin-top:14px;border-top:1px solid #ececf0;padding-top:13px}.rt-details summary{cursor:pointer;font-weight:800;color:#2a2e35;display:flex;justify-content:space-between;list-style:none}.rt-details summary::-webkit-details-marker{display:none}.rt-details summary span{color:#ff4e3d;font-size:18px}.rt-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.rt-detail{padding:15px;border-radius:15px;background:#f7f8f9}.rt-detail b{display:block;margin-bottom:6px;color:#20232a;font-size:13px}.rt-detail p{font-size:13px;line-height:1.5;color:#666b75;margin:0}.rt-detail.rt-good{background:#f2f8f4}.rt-detail.rt-warn{background:#fff6f4}.rt-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.rt-actions a{display:inline-flex;padding:10px 13px;border-radius:11px;background:#17191f;color:white;font-size:12px;font-weight:800}.rt-actions a:last-child{background:#f2f3f5;color:#333741}.rt-card[hidden],.rt-domain-section[hidden]{display:none!important}.rt-empty{padding:70px 0;text-align:center}.rt-method-section{padding:90px 0;background:#15171d;color:white}.rt-method-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.rt-method-grid h2{color:white}.rt-method-grid ol{counter-reset:step;display:grid;grid-template-columns:1fr 1fr;gap:12px}.rt-method-grid li{list-style:none;padding:20px;border-radius:18px;background:#1e2027;border:1px solid rgba(255,255,255,.07)}.rt-method-grid b{display:block;color:white;margin-bottom:5px}.rt-method-grid span{color:#adb0b8;font-size:14px;line-height:1.5}.rt-faq{padding:90px 0}.rt-faq-head{text-align:center;max-width:900px;margin:0 auto 36px}.rt-faq-grid{max-width:1050px;margin:auto;display:grid;gap:10px}.rt-faq details{padding:20px 22px;background:#f5f5f6;border-radius:18px}.rt-faq summary{font-size:17px;font-weight:800;cursor:pointer;color:#24272e}.rt-faq details p{margin:12px 0 0;color:#6c707a;line-height:1.6}.rt-cta{padding:0 0 90px}.rt-cta-inner{padding:42px;border-radius:30px;background:linear-gradient(135deg,#15171d,#2a1718);color:white;display:flex;align-items:center;justify-content:space-between;gap:30px}.rt-cta-inner span{color:#ff5a48;font-weight:800}.rt-cta-inner h2{font-size:36px;color:white;margin:7px 0}.rt-cta-inner p{color:#c5c7ce;margin:0;max-width:800px}.rt-cta-inner .tf-btn{flex:0 0 auto}.rt-hidden-by-search{display:none!important}
@media(max-width:1199px){.rt-domain-nav{grid-template-columns:repeat(4,1fr)}.rt-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:991px){.rt-hero{padding-top:140px}.rt-intro-grid,.rt-method-grid{grid-template-columns:1fr}.rt-domain-nav{grid-template-columns:repeat(2,1fr)}.rt-grid{grid-template-columns:1fr}.rt-search-wrap{position:static}.rt-domain-head{align-items:start;flex-direction:column}.rt-method-grid ol{grid-template-columns:1fr}.rt-cta-inner{align-items:flex-start;flex-direction:column}}
@media(max-width:575px){.rt-hero{padding:125px 0 55px}.rt-hero h1{font-size:44px}.rt-hero p{font-size:16px}.rt-stats{grid-template-columns:1fr}.rt-domain-nav{grid-template-columns:1fr}.rt-controls{grid-template-columns:1fr}.rt-filter-row{margin-left:-24px;margin-right:-24px;padding-left:24px;padding-right:24px}.rt-search-heading{align-items:flex-start;flex-direction:column}.rt-domain-head h2{font-size:34px}.rt-detail-grid{grid-template-columns:1fr}.rt-card{padding:20px}.rt-card h3{font-size:21px}.rt-domain,.rt-level{font-size:10px}.rt-intro,.rt-faq,.rt-method-section{padding-top:60px;padding-bottom:60px}.rt-cta-inner{padding:28px}.rt-cta-inner h2{font-size:29px}}

/* 2026-09-18 UX2: friendlier research-title finder */
.rt-search-heading{align-items:flex-start}.rt-search-heading>div>p{margin:7px 0 0;color:#767a84;font-size:14px;max-width:700px}.rt-clear-all{border:0;background:#17191f;color:#fff;border-radius:12px;padding:10px 14px;font-size:12px;font-weight:800;opacity:0;pointer-events:none;transition:.2s;white-space:nowrap;margin-top:9px}.rt-clear-all.show{opacity:1;pointer-events:auto}.rt-friendly-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.34fr);gap:12px;align-items:end}.rt-search-main{position:relative}.rt-search-main input{padding-right:38px!important}.rt-input-clear{position:absolute;right:10px;top:11px;width:30px;height:30px;border:0;border-radius:9px;background:#f2f3f5;color:#555a64;font-size:20px;display:none;place-items:center;line-height:1}.rt-input-clear.show{display:grid}.rt-domain-select-wrap{display:block}.rt-domain-select-wrap>span{display:block;margin:0 0 7px 2px;color:#565a64;font-size:12px;font-weight:800}.rt-domain-select-wrap select{width:100%;height:54px;border:1px solid #e0e2e7;border-radius:15px;background:#fff;color:#17191f;padding:0 14px;font-size:14px;color-scheme:light}.rt-search-suggestions{display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:60;background:#fff;border:1px solid #e3e4e8;border-radius:16px;padding:7px;box-shadow:0 22px 50px rgba(20,22,28,.14);max-height:360px;overflow:auto}.rt-search-suggestions.open{display:block}.rt-search-suggestions button{width:100%;border:0;background:#fff;text-align:left;padding:11px 12px;border-radius:11px;display:flex;justify-content:space-between;gap:12px;align-items:center}.rt-search-suggestions button:hover,.rt-search-suggestions button.active{background:#fff2ef}.rt-search-suggestions strong{font-size:13px;color:#22262d;line-height:1.32}.rt-search-suggestions span{font-size:11px;color:#80848d;text-align:right;flex:0 0 auto}.rt-quick-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:15px}.rt-quick-row>span{font-size:12px;font-weight:800;color:#777b84}.rt-quick-row button{border:1px solid #e4e5e9;background:#f7f7f8;color:#42464e;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:700}.rt-quick-row button:hover{background:#fff1ed;border-color:#ffc6bd;color:#e74836}.rt-result-bar{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-top:15px;padding-top:14px;border-top:1px solid #ececf0}.rt-result-bar #rt-result-count{font-weight:800;color:#f14a38}.rt-result-bar>span{color:#8a8e97;font-size:12px}.rt-filter-row,.rt-controls>.rt-filter{display:none!important}
#rt-domain-select + .nice-select{height:54px!important;line-height:52px!important;border-radius:15px!important;background:#fff!important;border-color:#e0e2e7!important;color:#17191f!important;width:100%!important}.rt-domain-select-wrap .nice-select .current{color:#17191f!important}.rt-domain-select-wrap .nice-select .list{background:#fff!important;color:#17191f!important;border:1px solid #e1e2e6!important;box-shadow:0 16px 38px rgba(20,22,28,.14)!important;max-height:350px;overflow:auto;z-index:65!important}.rt-domain-select-wrap .nice-select .option{color:#17191f!important;background:#fff!important}.rt-domain-select-wrap .nice-select .option:hover,.rt-domain-select-wrap .nice-select .option.focus,.rt-domain-select-wrap .nice-select .option.selected{background:#fff1ed!important;color:#e74836!important}
@media(max-width:991px){.rt-friendly-controls{grid-template-columns:1fr}.rt-search-wrap{position:static}.rt-result-bar{align-items:flex-start;flex-direction:column}.rt-search-heading{flex-direction:column}.rt-clear-all{margin-top:0}}
@media(max-width:575px){.rt-search-box{padding:18px;border-radius:22px}.rt-search-heading h2{font-size:27px}.rt-quick-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}.rt-quick-row button{white-space:nowrap}.rt-result-bar>span{display:none}.rt-search-suggestions button{align-items:flex-start;flex-direction:column}.rt-search-suggestions span{text-align:left}.rt-clear-all{display:none}.rt-clear-all.show{display:block}}