.fb-page{--fb-bg:#040919;--fb-blue:#3b7bff;--fb-ink:#0b1530;--fb-mut:#5a6584;--fb-line:#dce3f5;--fb-gold:#f2c14e;--fb-green:#2fa85a;--fb-red:#d8433a;color:var(--fb-ink);background:#fff}.fb-wrap{max-width:860px;margin:0 auto;padding:0 20px}.fb-hero{color:#fff;background:radial-gradient(700px 500px at 100% 105%, #1747c999, transparent 70%), linear-gradient(#5a7dff0f 1px, transparent 1px) 0 0 / 34px 34px, linear-gradient(90deg, #5a7dff0f 1px, transparent 1px) 0 0 / 34px 34px, var(--fb-bg);padding:56px 0 40px}.fb-kicker{color:#9db8ff;background:#1747c940;border:1.5px solid #6e91ff66;border-radius:10px;padding:5px 12px;font-size:13px;font-weight:600;display:inline-block}.fb-hero h1{letter-spacing:-.04em;text-transform:uppercase;margin:18px 0 14px;font-size:clamp(36px,7vw,60px);font-weight:800;line-height:1}.fb-hero h1 span{color:var(--fb-blue)}.fb-hero>.fb-wrap>p{color:#c9d3f0;max-width:620px;font-size:18px;line-height:1.5}.fb-author{align-items:center;gap:12px;margin-top:28px;display:flex}.fb-author img{object-fit:cover;border:2px solid #6e91ff66;border-radius:50%;width:52px;height:52px}.fb-author b{font-size:15px;display:block}.fb-author span{color:#8e9bbf;font-size:13px}.fb-gate{color:var(--fb-ink);background:#fff;border-radius:18px;max-width:520px;margin-top:28px;padding:26px;box-shadow:0 20px 60px #00000059}.fb-gate h2{letter-spacing:-.02em;font-size:22px;font-weight:700}.fb-gate>p{color:var(--fb-mut);margin:4px 0 16px;font-size:14px}.fb-form{flex-direction:column;gap:12px;display:flex}.fb-form label{flex-direction:column;gap:5px;font-size:13px;font-weight:600;display:flex}.fb-form input:not([type=checkbox]){font:inherit;border:1.5px solid var(--fb-line);border-radius:10px;outline:none;padding:11px 13px;font-size:16px;font-weight:400}.fb-form input:focus{border-color:var(--fb-blue)}.fb-form em{color:var(--fb-red);font-size:12px;font-style:normal;font-weight:500}.fb-form .fb-check{color:var(--fb-mut);flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;line-height:1.4}.fb-form .fb-check input{width:18px;height:18px;accent-color:var(--fb-blue);flex:none;margin-top:3px}.fb-form .fb-check a{color:var(--fb-blue);text-decoration:underline}.fb-form button{font:inherit;background:var(--fb-blue);color:#fff;cursor:pointer;border:0;border-radius:12px;margin-top:4px;padding:14px;font-size:16px;font-weight:700}.fb-form button:disabled{opacity:.7;cursor:default}.fb-error{color:var(--fb-red);font-size:13px}.fb-hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.fb-guide{padding:20px 0 10px}.fb-guide section{border-bottom:1px solid var(--fb-line);padding:36px 0}.fb-guide h2{letter-spacing:-.035em;text-transform:uppercase;margin-bottom:14px;font-size:clamp(26px,5vw,34px);font-weight:800;line-height:1.05}.fb-guide h3{letter-spacing:-.01em;margin-bottom:4px;font-size:17px;font-weight:700}.fb-guide p{font-size:16px;line-height:1.6}.fb-lead{color:#333c58;font-size:18px!important}.fb-parts{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:20px 0 24px;display:grid}.fb-parts div{background:#eef3ff;border:1.5px solid #c8d6ff;border-radius:12px;padding:12px 14px}.fb-parts div.neg{background:#fcedec;border-color:#f1b9b4}.fb-parts b{color:var(--fb-blue);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px;font-size:12px;display:block}.fb-parts div.neg b{color:var(--fb-red)}.fb-parts span{font-size:14px;line-height:1.4}.fb-steps{counter-reset:s;gap:10px;list-style:none;display:grid}.fb-steps li{counter-increment:s;border:1.5px solid var(--fb-line);border-radius:14px;padding:14px 16px 14px 60px;position:relative}.fb-steps li:before{content:counter(s);background:var(--fb-blue);color:#fff;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:700;display:grid;position:absolute;top:14px;left:14px}.fb-steps p{color:#333c58;font-size:15px}.fb-note{background:#fff9ea;border:1.5px solid #ebcb7a;border-radius:12px;margin-top:16px;padding:12px 16px;font-size:15px!important}.fb-pill{color:var(--fb-blue);background:#eef3ff;border:1.5px solid #c8d6ff;border-radius:10px;margin-bottom:10px;padding:4px 12px;font-size:13px;font-weight:600;display:inline-block}.fb-ab{grid-template-columns:1fr 1fr;gap:10px;display:grid}.fb-ab figure{margin:0}.fb-ab img{aspect-ratio:16/10;object-fit:cover;border:2px solid var(--fb-line);border-radius:12px;width:100%;display:block}.fb-ab figure.after img{border-color:var(--fb-gold)}.fb-ab figcaption{margin-top:6px;font-size:12px;font-weight:600}.fb-ab figcaption span{color:var(--fb-mut);font-weight:400}.fb-use{margin:16px 0}.fb-code{background:var(--fb-bg);color:#e6ecff;border-radius:14px;padding:6px 18px 10px}.fb-code-head{border-bottom:1px solid #6e91ff33;justify-content:space-between;align-items:center;padding:10px 0;display:flex}.fb-code-head span{color:#9db8ff;letter-spacing:.1em;text-transform:uppercase;font-size:12px;font-weight:700}.fb-copy{font:inherit;color:#fff;background:var(--fb-blue);cursor:pointer;border:0;border-radius:8px;padding:7px 12px;font-size:13px;font-weight:600}.fb-row{border-bottom:1px solid #6e91ff24;grid-template-columns:96px 1fr;gap:12px;padding:11px 0;font-size:15px;font-weight:300;line-height:1.5;display:grid}.fb-row:last-child{border:0}.fb-row .k{color:#9db8ff;letter-spacing:.08em;text-transform:uppercase;padding-top:3px;font-size:11px;font-weight:700}.fb-row.neg .k{color:#ff8a80}.fb-row mark{color:var(--fb-gold);background:0 0;font-weight:600}.fb-tips{grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;display:grid}.fb-tips div,.fb-errors div{border-left:3px solid var(--fb-green);background:#eaf7ef;border-radius:10px;padding:11px 14px;font-size:14px;line-height:1.45}.fb-tips b,.fb-errors b{text-transform:uppercase;letter-spacing:.06em;color:var(--fb-green);margin-bottom:3px;font-size:11px;font-weight:700;display:block}.fb-tips div.no,.fb-errors div{border-color:var(--fb-red);background:#fcedec}.fb-tips div.no b{color:var(--fb-red)}.fb-errors{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px;display:grid}.fb-errors b{color:var(--fb-ink);text-transform:none;letter-spacing:0;font-size:14px}.fb-check-list{margin-top:8px;list-style:none}.fb-check-list li{border-bottom:1px solid var(--fb-line);padding:11px 0 11px 34px;font-size:15px;position:relative}.fb-check-list li:before{content:"";border:2px solid var(--fb-blue);border-radius:5px;width:20px;height:20px;position:absolute;top:12px;left:0}.fb-guide .fb-cta{background:var(--fb-bg);color:#fff;border:0;border-radius:22px;margin:36px 0;padding:36px 26px}.fb-cta h2 span{color:var(--fb-blue)}.fb-cta p{color:#c9d3f0;margin-bottom:10px}.fb-cta-box{border:2.5px solid var(--fb-gold);text-align:center;border-radius:18px;margin-top:22px;padding:24px}.fb-cta-box small{color:var(--fb-gold);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600;display:block}.fb-cta-box strong{letter-spacing:-.02em;margin:8px 0 16px;font-size:22px;font-weight:700;display:block}.fb-cta-box a{background:var(--fb-blue);color:#fff;border-radius:12px;padding:13px 26px;font-weight:700;text-decoration:none;display:inline-block}.fb-download{background:var(--fb-blue);color:#fff;border-radius:12px;margin-top:18px;padding:12px 20px;font-size:15px;font-weight:700;text-decoration:none;display:inline-block}.fb-actions{margin-top:4px}.fb-skill{margin-top:14px}.fb-skill summary{cursor:pointer;color:var(--fb-blue);padding:6px 0;font-size:14px;font-weight:600}.fb-code pre{white-space:pre-wrap;word-break:break-word;color:#dce4ff;max-height:460px;padding:12px 0 8px;font:300 13.5px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.fb-cards{gap:12px;margin-top:16px;display:grid}.fb-cards>div{border:1.5px solid var(--fb-line);border-radius:14px;padding:16px 18px}.fb-cards h3 span{color:var(--fb-mut);font-size:13px;font-weight:400}.fb-cards p{color:#333c58;font-size:15px}.fb-cards mark,.fb-code pre mark{color:var(--fb-gold);background:0 0;font-weight:600}.fb-cards .fb-tips{margin-top:10px}.fb-table{border:1.5px solid var(--fb-line);border-radius:14px;margin-top:16px;overflow-x:auto}.fb-table table{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}.fb-table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--fb-blue);background:#eef3ff;padding:10px 12px;font-size:11px;font-weight:700}.fb-table td{border-top:1px solid var(--fb-line);vertical-align:top;padding:10px 12px;line-height:1.45}.fb-calc{grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;display:grid}.fb-calc-in{gap:10px;display:grid}.fb-calc-in label{flex-direction:column;gap:4px;font-size:13px;font-weight:600;display:flex}.fb-calc-in input{font:inherit;border:1.5px solid var(--fb-line);border-radius:10px;padding:9px 12px;font-size:16px}.fb-calc-out{align-content:start;gap:10px;display:grid}.fb-calc-out>div{background:#f4f7ff;border:1.5px solid #c8d6ff;border-radius:14px;padding:14px 16px}.fb-calc-out>div.hot{background:var(--fb-bg);color:#fff;border-color:var(--fb-bg)}.fb-calc-out small{text-transform:uppercase;letter-spacing:.06em;color:var(--fb-blue);font-size:11px;font-weight:700;display:block}.fb-calc-out .hot small{color:var(--fb-gold)}.fb-calc-out b{letter-spacing:-.02em;margin:2px 0;font-size:26px;font-weight:800;display:block}.fb-calc-out span{color:var(--fb-mut);font-size:12px}.fb-calc-out .hot span{color:#c9d3f0}@media (max-width:640px){.fb-calc,.fb-ab,.fb-tips,.fb-errors{grid-template-columns:1fr}.fb-row{grid-template-columns:1fr;gap:2px}}