html{overflow-x:hidden;}:root{--bft-bg:#191a1c;--bft-panel:#222427;--bft-panel2:#292b2f;--bft-text:#f2f4f7;--bft-muted:#a8adb5;--bft-blue:#0878d1;--bft-blue2:#0b8df0;--bft-border:#34373d;--bft-accent:#0a7dd8;--bft-white:#fff;--bft-max:1180px}*{box-sizing:border-box}.bft-body{margin:0;background:var(--bft-bg);color:var(--bft-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.bft-site{min-height:100vh;background:var(--bft-bg)}.bft-shell{width:min(var(--bft-max),calc(100% - 40px));margin:auto}.bft-site-header{position:sticky;top:0;z-index:100;background:#101112;border-bottom:1px solid #24262a}.bft-header-inner{width:min(1240px,calc(100% - 32px));height:68px;margin:auto;display:flex;align-items:center;gap:28px}.bft-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;min-width:210px}.bft-brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#0d8cf0,#075eaa);display:grid;place-items:center;font-size:24px;font-weight:900;box-shadow:0 8px 24px #0067b84d}.bft-brand-text{font-weight:800;font-size:19px;white-space:nowrap}.bft-main-nav{display:flex;align-items:center;gap:4px;flex:1}.bft-menu{position:relative}.bft-menu>button{background:none;border:0;color:#ddd;font-size:15px;padding:23px 16px;cursor:pointer}.bft-menu>button:hover{color:#fff;background:#1b1d20}.bft-mega{display:none;position:absolute;top:62px;left:50%;transform:translateX(-50%);width:min(760px,calc(100vw - 32px));max-width:calc(100vw - 32px);background:#202225;border:1px solid #36393e;border-radius:0 0 16px 16px;padding:24px;box-shadow:0 25px 60px #0008;grid-template-columns:repeat(3,1fr);gap:28px}.bft-menu.open .bft-mega,.bft-menu:hover .bft-mega{display:grid}.bft-menu:nth-child(1) .bft-mega{left:0;transform:none}.bft-menu:nth-child(3) .bft-mega{left:auto;right:0;transform:none}.bft-mega h4{margin:0 0 12px;font-size:12px;color:#79bdf1;text-transform:uppercase;letter-spacing:.08em}.bft-mega a{display:block;color:#e4e6e9;text-decoration:none;padding:7px 0;font-size:14px}.bft-mega a:hover{color:#49a8f5}.bft-mega p{font-size:13px;line-height:1.6;color:#aeb4bc;margin:0}.bft-header-actions{display:flex;gap:8px;margin-left:auto}.bft-icon-btn,.bft-mobile-menu{border:1px solid #383b40;background:#202225;color:#fff;width:38px;height:38px;border-radius:9px;cursor:pointer}.bft-mobile-menu{display:none}.bft-main{min-height:700px}.bft-home-hero{padding:80px 0 72px;background:radial-gradient(circle at 78% 45%,#0c6aa31f 0,transparent 34%),linear-gradient(#1b1c1f,#191a1c)}.bft-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:50px}.bft-eyebrow{font-size:12px;letter-spacing:.13em;color:#4eaef3;font-weight:800;margin-bottom:14px}.bft-hero-copy h1{font-size:52px;line-height:1.07;margin:0 0 20px;letter-spacing:-.03em}.bft-hero-copy h1 span{color:#2d98ea}.bft-hero-copy p{max-width:650px;color:#b6bbc2;font-size:18px;line-height:1.7;margin:0 0 28px}.bft-tool-search{display:flex;align-items:center;gap:12px;background:#25272a;border:1px solid #3a3d42;border-radius:13px;padding:0 17px;max-width:560px;box-shadow:0 12px 35px #0003}.bft-tool-search span{font-size:25px;color:#82909d}.bft-tool-search input{height:56px;flex:1;border:0;background:transparent;color:#fff;outline:0;font-size:16px}.bft-hero-visual{min-height:320px;position:relative;display:grid;place-items:center}.bft-doc-art{width:250px;height:300px;border-radius:20px;background:linear-gradient(135deg,#0878d1,#0d3f77);box-shadow:0 35px 80px #0007;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;transform:rotate(-6deg)}.bft-doc-icon{font-size:90px;font-weight:900;color:#fff}.bft-art-line{width:130px;height:8px;border-radius:8px;background:#ffffff55}.bft-art-line.short{width:90px}.bft-art-check{position:absolute;right:-20px;bottom:25px;width:65px;height:65px;border-radius:18px;background:#c9951a;color:#1c1c1c;display:grid;place-items:center;font-size:32px;font-weight:900}.bft-orbit{position:absolute;border:1px solid #237cb54d;border-radius:50%}.orb-a{width:360px;height:360px}.orb-b{width:460px;height:460px}.bft-ad-placeholder{width:min(970px,calc(100% - 40px));height:92px;margin:24px auto;display:grid;place-items:center;color:#686d75;font-size:11px;border:1px dashed #35383d;background:#1d1e21}.bft-section{padding:60px 0}.bft-section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.bft-section-head h2,.bft-target-strip h2,.bft-privacy-section h2{font-size:32px;margin:0}.bft-section-head p{max-width:540px;color:#9298a1;margin:0;line-height:1.6}.bft-tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.bft-tool-card{display:grid;grid-template-columns:44px 1fr 20px;align-items:center;gap:13px;text-decoration:none;color:#fff;background:#222427;border:1px solid #303339;border-radius:14px;padding:18px;transition:.2s}.bft-tool-card:hover{transform:translateY(-2px);border-color:#177fc8;background:#25282c}.bft-tool-card strong{display:block;font-size:15px;margin-bottom:5px}.bft-tool-card small{display:block;color:#8f959e;line-height:1.45;font-size:12px}.bft-tool-card>b{color:#4ba8eb}.bft-tool-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;font-weight:900;background:#0b78cb}.bft-tool-icon.image{background:#285f90}.bft-target-strip{padding:54px 0;background:#202225;border-block:1px solid #303237}.bft-target-strip .bft-shell{display:flex;align-items:center;justify-content:space-between;gap:30px}.bft-target-strip p{color:#9298a1}.bft-target-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.bft-target-links a{padding:11px 15px;border-radius:10px;background:#0a72c6;color:#fff;text-decoration:none;font-weight:700}.bft-privacy-section{padding:54px 0}.bft-privacy-section .bft-shell{display:flex;gap:20px;align-items:flex-start;max-width:900px}.bft-privacy-icon{font-size:30px}.bft-privacy-section p{color:#a2a8b0;line-height:1.7}.bft-tool-hero{padding:54px 0 32px;text-align:center}.bft-tool-hero h1{font-size:46px;margin:0 0 14px}.bft-tool-hero p{color:#aeb4bb;max-width:760px;margin:auto;line-height:1.7;font-size:17px}.bft-tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start;padding-bottom:60px}.bft-tool-card-wrap{min-width:0}.bft-tool-card{background:#222427;border:1px solid #303339;border-radius:18px;padding:24px;box-shadow:0 20px 50px #0003}.bft-app .bft-drop{min-height:290px;border:2px dashed #575b62;border-radius:15px;background:#1d1f22;display:flex;align-items:center;justify-content:center;flex-direction:column;cursor:pointer;transition:.2s}.bft-app .bft-drop.drag{border-color:#1687df;background:#15283a}.bft-drop-icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#0a76c9;color:#fff;font-size:30px;margin-bottom:14px}.bft-drop-title{font-size:20px;font-weight:700}.bft-drop-sub{color:#8d949d;margin:7px}.bft-primary,.bft-secondary{border:0;border-radius:10px;padding:13px 22px;font-size:15px;font-weight:750;cursor:pointer}.bft-primary{background:#0879cf;color:#fff}.bft-primary:hover{background:#0c8be8}.bft-secondary{background:#303338;color:#e8ebef;border:1px solid #45484e}.bft-privacy-note{margin-top:18px;color:#777e87;font-size:12px}.bft-files{margin-top:16px}.bft-file{display:flex;justify-content:space-between;gap:12px;padding:13px 14px;background:#292b2f;border:1px solid #393c42;border-radius:10px;margin-bottom:8px}.bft-file-name{font-weight:650}.bft-file-meta{font-size:12px;color:#888f98;margin-top:3px}.bft-remove{background:none;border:0;color:#ef8f8f;cursor:pointer}.bft-options{margin-top:16px}.bft-option-panel{background:#1b1d20;border:1px solid #36393e;border-radius:14px;padding:20px}.bft-option-panel h3{margin:0 0 18px;font-size:17px}.bft-preset-row{display:flex;flex-wrap:wrap;gap:8px}.bft-preset{background:#292c30;color:#dfe4e9;border:1px solid #41454b;border-radius:9px;padding:10px 13px;cursor:pointer}.bft-preset.active,.bft-preset:hover{background:#0879cf;border-color:#0879cf;color:#fff}.bft-field{margin-top:15px}.bft-field label{display:block;color:#adb3bb;font-size:13px;margin-bottom:7px}.bft-field input,.bft-field select{width:100%;height:42px;background:#25272b;border:1px solid #41444a;color:#fff;border-radius:8px;padding:0 10px}.bft-field-row{display:grid;grid-template-columns:1fr 140px;gap:10px}.bft-range{accent-color:#1687df!important}.bft-progress-wrap{margin-top:20px}.bft-progress-label{display:flex;justify-content:space-between;color:#b5bbc2;font-size:13px;margin-bottom:7px}.bft-progress{height:10px;background:#34373c;border-radius:999px;overflow:hidden}.bft-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#0879cf,#3aaaf2);transition:width .15s}.bft-controls{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.bft-result-box{margin-top:18px;padding:18px;border:1px solid #287bb4;background:#182c3b;border-radius:12px}.bft-stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:15px 0}.bft-stat{padding:12px;background:#222a30;border-radius:9px}.bft-stat small{display:block;color:#8f98a2;margin-bottom:4px}.bft-stat b{font-size:17px}.bft-how{padding:30px 4px}.bft-how h2{font-size:24px}.bft-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.bft-steps>div{background:#202225;border:1px solid #303339;border-radius:12px;padding:17px}.bft-steps b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#0b78cc;margin-bottom:10px}.bft-steps strong,.bft-steps span{display:block}.bft-steps span{color:#8f959d;font-size:13px;line-height:1.5;margin-top:5px}.bft-sidebar-ad{height:250px;background:#1d1f22;border:1px dashed #35383d;display:grid;place-items:center;color:#646a72;font-size:11px}.bft-sidebar-box{margin-top:16px;background:#222427;border:1px solid #303339;border-radius:14px;padding:18px}.bft-sidebar-box h3{margin:0 0 10px}.bft-sidebar-box a{display:block;padding:10px 0;color:#c8ced5;text-decoration:none;border-bottom:1px solid #303339}.bft-sidebar-box a:last-child{border:0}.bft-info-section{padding:50px 0;background:#202225;border-top:1px solid #303339}.bft-info-section p{color:#9fa6af;line-height:1.75;max-width:900px}.bft-footer{background:#101112;border-top:1px solid #282a2e}.bft-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:45px 0}.bft-footer-brand{color:#fff;font-size:21px;font-weight:800;text-decoration:none}.bft-footer p{color:#777e87;line-height:1.6}.bft-footer h4{margin:0 0 12px;font-size:13px;text-transform:uppercase;color:#777e87}.bft-footer a{display:block;color:#bfc4ca;text-decoration:none;padding:5px 0;font-size:14px}.bft-footer a:hover{color:#fff}.bft-footer-bottom{border-top:1px solid #24262a;color:#686f78;font-size:12px;padding:18px 0}.bft-empty{max-width:800px;margin:100px auto;padding:60px;text-align:center;background:#222427;border:1px solid #303339;border-radius:18px}
html.bft-light{--bft-bg:#f5f7fa;--bft-panel:#fff;--bft-panel2:#fff;--bft-text:#18202a;--bft-muted:#5e6875;--bft-border:#dce2e9}html.bft-light .bft-site{background:#f5f7fa;color:#18202a}html.bft-light .bft-home-hero{background:#f5f7fa}html.bft-light .bft-tool-search,html.bft-light .bft-tool-card,html.bft-light .bft-tool-card-wrap .bft-tool-card,html.bft-light .bft-option-panel,html.bft-light .bft-sidebar-box{background:#fff;border-color:#dce2e9}html.bft-light .bft-tool-search input{color:#18202a}html.bft-light .bft-tool-card{color:#18202a}html.bft-light .bft-app .bft-drop{background:#fff;border-color:#cbd3dd}html.bft-light .bft-option-panel,.bft-light .bft-file{background:#fff}html.bft-light .bft-field input,html.bft-light .bft-field select{background:#fff;color:#18202a;border-color:#ccd4de}
@media(max-width:980px){.bft-header-inner{height:62px}.bft-main-nav{position:absolute;left:0;right:0;top:62px;background:#121315;display:none;flex-direction:column;align-items:stretch;padding:10px 16px;border-bottom:1px solid #292c31}.bft-nav-open .bft-main-nav{display:flex}.bft-menu>button{width:100%;text-align:left;padding:15px}.bft-mega{position:static;width:auto;max-width:none;border:0;border-radius:10px;box-shadow:none;grid-template-columns:1fr;padding:10px 16px;background:#1d1f22;transform:none!important}.bft-menu:hover .bft-mega{display:none}.bft-menu.open .bft-mega{display:grid}.bft-mobile-menu{display:block}.bft-brand{min-width:auto}.bft-header-actions{margin-left:auto}.bft-hero-inner{grid-template-columns:1fr}.bft-hero-visual{min-height:260px}.bft-tool-grid{grid-template-columns:repeat(2,1fr)}.bft-tool-layout{grid-template-columns:1fr}.bft-sidebar{display:none}.bft-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.bft-shell{width:min(var(--bft-max),calc(100% - 24px))}.bft-brand-text{font-size:16px}.bft-icon-btn{display:none}.bft-home-hero{padding:55px 0}.bft-hero-copy h1{font-size:37px}.bft-hero-copy p{font-size:16px}.bft-hero-visual{min-height:220px}.bft-doc-art{width:180px;height:220px}.bft-doc-icon{font-size:65px}.bft-section{padding:42px 0}.bft-section-head,.bft-target-strip .bft-shell{display:block}.bft-section-head p{margin-top:10px}.bft-tool-grid{grid-template-columns:1fr}.bft-target-links{justify-content:flex-start;margin-top:18px}.bft-tool-hero h1{font-size:35px}.bft-tool-card{padding:15px}.bft-app .bft-drop{min-height:250px}.bft-stat-row,.bft-steps{grid-template-columns:1fr}.bft-field-row{grid-template-columns:1fr}.bft-controls{justify-content:stretch}.bft-controls button{flex:1}.bft-footer-grid{grid-template-columns:1fr}.bft-ad-placeholder{height:70px}}
.bft-warning{margin:14px 0;padding:12px 14px;border:1px solid #8b6b24;border-radius:10px;background:rgba(139,107,36,.12);color:#f0d58a}
.bft-light .bft-warning{color:#76570a;background:#fff7df}
.bft-page-content{max-width:900px;margin:0 auto;padding:40px 20px 80px}.bft-page-content article{background:#202225;border:1px solid #30343a;border-radius:16px;padding:32px}.bft-page-content h2{margin-top:28px;color:#f5f7f9}.bft-page-content p,.bft-page-content li{color:#b5bbc2;line-height:1.75}.bft-page-content a{color:#49a8f5}.bft-contact-form{display:grid;gap:16px;margin-top:24px}.bft-contact-form label{display:grid;gap:7px;color:#e6e9ec;font-weight:600}.bft-contact-form input,.bft-contact-form textarea{width:100%;background:#17191c;border:1px solid #3a3f45;border-radius:9px;color:#fff;padding:12px;font:inherit}.bft-contact-form textarea{resize:vertical}.bft-form-success,.bft-form-error{padding:13px 15px;border-radius:10px;margin:15px 0}.bft-form-success{background:#183522;border:1px solid #2e6842;color:#a8e2ba}.bft-form-error{background:#351c1c;border:1px solid #754040;color:#f0b0b0}.bft-page-note{font-size:13px;color:#8e969e}
/* v1.3 compact tool layout and content pages */
.bft-tool-hero{padding:34px 0 18px}
.bft-tool-hero h1{font-size:42px;line-height:1.08;margin-bottom:10px}
.bft-tool-hero p{font-size:15px;line-height:1.55}
.bft-ad-placeholder{height:64px;margin:16px auto}
.bft-tool-layout{gap:18px;padding-bottom:30px}
.bft-app .bft-drop{min-height:205px;padding:24px}
.bft-drop-icon{width:50px;height:50px;font-size:26px;margin-bottom:10px}
.bft-drop-title{font-size:18px}
.bft-privacy-note{margin-top:12px}
.bft-files{margin-top:10px}
.bft-file{padding:10px 12px}
.bft-options{margin-top:10px}
.bft-option-panel{padding:14px}
.bft-option-panel h3{margin-bottom:12px}
.bft-field{margin-top:10px}
.bft-progress-wrap{margin-top:12px}
.bft-controls{margin-top:12px}
.bft-how{padding:18px 2px}
.bft-how h2{margin:0 0 12px;font-size:22px}
.bft-steps>div{padding:13px}
.bft-info-section{padding:24px 0 34px!important}
.bft-sidebar-ad{height:180px}
.bft-sidebar-box{margin-top:12px;padding:15px}
.bft-page-content{max-width:940px;padding:26px 20px 55px}
.bft-page-content article{padding:26px 30px}
.bft-page-content h1{font-size:36px;line-height:1.15;margin-top:0}
.bft-page-content h2{font-size:22px;margin-top:24px;margin-bottom:8px}
.bft-page-content h3{font-size:18px;margin-top:18px}
.bft-page-content p,.bft-page-content li{line-height:1.65}
.bft-page-content ul,.bft-page-content ol{padding-left:22px}
.bft-legal-meta{font-size:13px;color:#8f969f;margin-bottom:20px}
.bft-footer{padding-top:32px;padding-bottom:28px}
@media(max-width:900px){
.bft-tool-hero{padding:28px 0 14px}
.bft-tool-hero h1{font-size:36px}
.bft-tool-layout{grid-template-columns:1fr}
.bft-sidebar{display:none}
.bft-ad-placeholder{height:58px;margin:12px auto}
}
@media(max-width:600px){
.bft-tool-hero{padding:24px 0 12px}
.bft-tool-hero h1{font-size:31px}
.bft-app .bft-drop{min-height:180px;padding:18px}
.bft-page-content{padding:18px 12px 40px}
.bft-page-content article{padding:20px}
.bft-page-content h1{font-size:30px}
}
/* v1.4 search results */
.bft-tool-search{position:relative;z-index:20}.bft-search-results{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#15171a;border:1px solid #343a41;border-radius:12px;box-shadow:0 18px 45px rgba(0,0,0,.38);overflow:hidden;max-height:420px;overflow-y:auto}.bft-search-result{display:flex;align-items:center;gap:12px;padding:12px 15px;border-bottom:1px solid #292e34;color:#eef2f5;text-decoration:none}.bft-search-result:last-child{border-bottom:0}.bft-search-result:hover{background:#20262c}.bft-search-result-icon{width:34px;height:34px;border-radius:8px;background:#0879d1;display:grid;place-items:center;flex:0 0 34px}.bft-search-result span:nth-child(2){min-width:0;flex:1}.bft-search-result strong,.bft-search-result small{display:block}.bft-search-result strong{font-size:14px}.bft-search-result small{font-size:12px;color:#9ca5ae;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bft-search-result b{color:#67b8ff}.bft-search-empty{padding:18px;color:#aeb5bd;font-size:14px}
@media(max-width:600px){.bft-search-results{position:static;margin-top:8px}.bft-search-result{padding:11px}.bft-search-result small{white-space:normal}}