.rt-card{background:var(--card);border:1px solid var(--hairline);border-radius:22px;box-shadow:var(--shadow-lg);max-width:1040px;margin:0 auto;overflow:hidden;display:grid;grid-template-columns:1.02fr 1fr}.rt-in{padding:30px 30px 26px;border-right:1px solid var(--hairline)}.rt-out{padding:30px 30px 26px;background:linear-gradient(180deg,#f7fbfd,#eef6fa);display:flex;flex-direction:column}.rt-mode{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#eef4f7;border-radius:12px;padding:4px;margin-bottom:22px}.rt-mode button{border:0;background:transparent;font:700 13.5px/1.2 Plus Jakarta Sans,sans-serif;color:var(--muted);padding:11px 10px;border-radius:9px;cursor:pointer;transition:background .15s,color .15s}.rt-mode button.on{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}.rt-mode button small{display:block;font:600 11px/1.3 JetBrains Mono,monospace;color:var(--muted);margin-top:3px;letter-spacing:.02em}.rt-fld{margin-bottom:18px}.rt-fld label{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px}.rt-fld label span{font-weight:600;color:var(--muted);font-size:12px}.rt-ig{display:flex;align-items:stretch;border:1.5px solid var(--hairline);border-radius:12px;overflow:hidden;background:#fff;transition:border-color .18s,box-shadow .18s}.rt-ig:focus-within{border-color:var(--cyan);box-shadow:0 0 0 4px #3ec6e324}.rt-ig select{border:0;outline:0;background:#f2f7fa;border-right:1px solid var(--hairline);font:700 13px JetBrains Mono,monospace;color:var(--ink);padding:0 10px;cursor:pointer}.rt-ig .sfx{display:grid;place-items:center;padding:0 14px;background:#f2f7fa;border-left:1px solid var(--hairline);font:700 14px JetBrains Mono,monospace;color:var(--muted)}.rt-ig input{border:0;outline:0;padding:14px;font:700 20px Plus Jakarta Sans,sans-serif;color:var(--ink);width:100%;min-width:0;background:transparent}.rt-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.rt-chips button{border:1px solid var(--hairline);background:#fff;border-radius:999px;padding:6px 11px;font:600 12px Plus Jakarta Sans,sans-serif;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s}.rt-chips button b{font-family:JetBrains Mono,monospace;margin-left:4px;color:var(--cyan)}.rt-chips button:hover{border-color:var(--cyan)}.rt-chips button.on{background:var(--ink);border-color:var(--ink);color:#fff}.rt-chips button.on b{color:var(--cyan-bright)}.rt-note{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.5}.rt-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.rt-actions button{border:1px solid var(--hairline);background:#fff;border-radius:10px;padding:9px 13px;font:700 12.5px Plus Jakarta Sans,sans-serif;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.rt-actions button:hover{border-color:var(--cyan)}.rt-actions svg{width:14px;height:14px}.rt-k{font:700 11px JetBrains Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.rt-big{font:800 clamp(32px,4vw,44px)/1.05 "Plus Jakarta Sans",sans-serif;color:var(--ink);letter-spacing:-.025em;margin-top:6px;word-break:break-word}.rt-sub{font-size:13.5px;color:var(--muted);margin-top:6px}.rt-bar{display:flex;height:12px;border-radius:999px;overflow:hidden;margin:20px 0 6px;background:#e3edf2}.rt-bar i{display:block;height:100%;transition:width .35s ease}.rt-bar .n{background:linear-gradient(90deg,#16a9c9,#3ec6e3)}.rt-bar .t{background:linear-gradient(90deg,#f4a52e,#e08a1e)}.rt-legend{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.rt-legend b{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px;vertical-align:-1px}.rt-rows{margin-top:16px}.rt-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-top:1px solid var(--hairline);font-size:14.5px}.rt-row .k{color:var(--muted);font-weight:600}.rt-row .v{font:800 16px JetBrains Mono,monospace;color:var(--ink);text-align:right}.rt-row.tot{border-top:2px solid var(--ink)}.rt-row.tot .k{color:var(--ink);font-weight:800}.rt-steps{margin-top:auto;padding-top:18px}.rt-steps details{background:#fff;border:1px solid var(--hairline);border-radius:12px}.rt-steps summary{cursor:pointer;list-style:none;padding:12px 14px;font-weight:800;font-size:14px;color:var(--ink);display:flex;justify-content:space-between}.rt-steps summary::-webkit-details-marker{display:none}.rt-steps summary:after{content:"+";color:var(--cyan);font-weight:800}.rt-steps details[open] summary:after{content:"−"}.rt-steps ol{margin:0;padding:0 16px 14px 34px;font:500 13px/1.75 JetBrains Mono,monospace;color:var(--text)}.rt-steps ol li::marker{color:var(--cyan);font-weight:700}.rt-multi{max-width:1040px;margin:18px auto 0;background:var(--card);border:1px solid var(--hairline);border-radius:18px;padding:20px 22px}.rt-multi-h{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.rt-multi-h b{font-size:15.5px;color:var(--ink)}.rt-multi-h span{font-size:13px;color:var(--muted)}.rt-tbl{overflow-x:auto;margin-top:12px}.rt-tbl table{width:100%;border-collapse:collapse;min-width:520px;font-size:14px}.rt-tbl th{font:700 11px JetBrains Mono,monospace;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:right;padding:8px 10px;border-bottom:1px solid var(--hairline)}.rt-tbl th:first-child,.rt-tbl td:first-child{text-align:left}.rt-tbl td{padding:6px 10px;border-bottom:1px solid var(--hairline);text-align:right;font-family:JetBrains Mono,monospace;color:var(--ink)}.rt-tbl td input{width:100%;max-width:170px;border:1.5px solid var(--hairline);border-radius:8px;padding:8px 10px;font:600 14px Plus Jakarta Sans,sans-serif;color:var(--ink);outline:0}.rt-tbl td input:focus{border-color:var(--cyan)}.rt-tbl tfoot td{font-weight:800;border-bottom:0;border-top:2px solid var(--ink)}.rt-tbl .x{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:18px;line-height:1}.rt-add{border:1px dashed var(--cyan);background:#3ec6e30f;color:var(--ink);border-radius:10px;padding:9px 14px;font:700 13px Plus Jakarta Sans,sans-serif;cursor:pointer}.rt-toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%) translateY(20px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:9999}.rt-toast.on{opacity:1;transform:translate(-50%) translateY(0)}@media (max-width:820px){.rt-card{grid-template-columns:1fr}.rt-in{border-right:0;border-bottom:1px solid var(--hairline)}.rt-in,.rt-out{padding:22px 18px}}.rtp-hero{background:radial-gradient(120% 95% at 80% -10%,#13344a 0%,var(--ink) 58%);color:#fff;padding:clamp(104px,11vw,124px) 0 110px;text-align:center;position:relative;overflow:hidden}.rtp-hero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(62,198,227,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(62,198,227,.07) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(80% 80% at 50% 20%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(80% 80% at 50% 20%,#000 30%,transparent 80%)}.rtp-hero .in{position:relative;z-index:2}.rtp-hero .eyebrow{margin-inline:auto}.rtp-hero h1{font-size:clamp(30px,4.4vw,50px);color:#fff;margin:18px auto 0;letter-spacing:-.025em;max-width:820px}.rtp-hero p{font-size:17.5px;color:#ffffffc2;margin:16px auto 0;max-width:640px;line-height:1.6}.rtp-hero p b{color:#fff}.rtp-tool{margin-top:-70px;position:relative;z-index:3;padding-bottom:30px}.rtp-sec{padding:72px 0}.rtp-sec.alt{background:var(--card)}.rtp-head{max-width:720px;margin:0 auto 34px;text-align:center}.rtp-head .kx{font:700 12px JetBrains Mono,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}.rtp-head h2{font-size:clamp(25px,3.2vw,36px);font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-top:10px;text-wrap:balance}.rtp-head p{font-size:16.5px;color:var(--muted);margin-top:12px;line-height:1.65}.rtp-prose{max-width:780px;margin:0 auto;font-size:16.5px;color:var(--text);line-height:1.75}.rtp-prose p+p{margin-top:14px}.rtp-prose b{color:var(--ink)}.rtp-formula{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:900px;margin:0 auto}.rtp-formula div{background:#0b1b2b;color:#ffffffd1;border-radius:16px;padding:22px;font-family:JetBrains Mono,monospace;font-size:14px;line-height:1.8}.rtp-formula div b{display:block;font-family:Plus Jakarta Sans,sans-serif;font-size:15px;color:#fff;margin-bottom:8px}.rtp-formula div code{color:var(--cyan-bright);font-size:15.5px}.rtp-dt{max-width:900px;margin:0 auto;overflow-x:auto;border:1px solid var(--hairline);border-radius:14px;background:var(--bg,#fff)}.rtp-dt table{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px}.rtp-dt th{font:700 11.5px JetBrains Mono,monospace;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--card);padding:11px 14px;text-align:left;border-bottom:1px solid var(--hairline)}.rtp-dt td{padding:11px 14px;border-bottom:1px solid var(--hairline);font-family:JetBrains Mono,monospace;color:var(--ink)}.rtp-dt tr:last-child td{border-bottom:0}.rtp-dt td:first-child{font-weight:800}.rtp-ex{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1040px;margin:0 auto}.rtp-ex a{display:block;text-decoration:none;border:1px solid var(--hairline);border-radius:16px;padding:20px;background:var(--bg,#fff);color:var(--ink);transition:border-color .15s,transform .15s}.rtp-ex a:hover{border-color:var(--cyan);transform:translateY(-2px)}.rtp-ex .q{font-size:15.5px;font-weight:800;line-height:1.4}.rtp-ex .m{font:500 13px/1.7 JetBrains Mono,monospace;color:var(--muted);margin-top:10px}.rtp-ex .m b{color:var(--ink)}.rtp-ex .go{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--cyan)}.rtp-steps{max-width:780px;margin:0 auto;counter-reset:s;display:grid;gap:12px}.rtp-steps div{position:relative;padding:16px 18px 16px 58px;border:1px solid var(--hairline);border-radius:14px;background:var(--bg,#fff);font-size:15.5px;color:var(--text);line-height:1.6}.rtp-steps div:before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:15px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 13px JetBrains Mono,monospace}.rtp-steps b{color:var(--ink)}.rtp-faq{max-width:820px;margin:0 auto}.rtp-faq details{border:1px solid var(--hairline);border-radius:12px;margin-bottom:12px;background:var(--bg,#fff)}.rtp-faq summary{padding:17px 20px;font-weight:800;font-size:16px;color:var(--ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}.rtp-faq summary::-webkit-details-marker{display:none}.rtp-faq summary:after{content:"+";color:var(--cyan);font-weight:800}.rtp-faq details[open] summary:after{content:"−"}.rtp-faq .a{padding:0 20px 18px;color:var(--muted);font-size:15px;line-height:1.7}.rtp-cta{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;max-width:1040px;margin:0 auto;background:linear-gradient(135deg,#0b1b2b,#103049);border-radius:22px;padding:36px;color:#fff}.rtp-cta h2{color:#fff;font-size:clamp(23px,2.8vw,31px);letter-spacing:-.02em}.rtp-cta p{color:#ffffffbd;margin-top:12px;font-size:16px;line-height:1.65}.rtp-cta ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14.5px;color:#ffffffdb}.rtp-cta li:before{content:"✓";color:var(--cyan-bright);font-weight:800;margin-right:9px}.rtp-cta .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.rtp-rel{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:1040px;margin:0 auto}.rtp-rel a{display:block;text-decoration:none;border:1px solid var(--hairline);border-radius:12px;padding:15px 16px;background:var(--bg,#fff);color:var(--ink);font-weight:700;font-size:14.5px}.rtp-rel a span{display:block;font-weight:500;font-size:13px;color:var(--muted);margin-top:4px}.rtp-rel a:hover{border-color:var(--cyan)}@media (max-width:900px){.rtp-ex,.rtp-rel{grid-template-columns:1fr 1fr}.rtp-cta{grid-template-columns:1fr;padding:26px}.rtp-formula{grid-template-columns:1fr}}@media (max-width:560px){.rtp-ex,.rtp-rel{grid-template-columns:1fr}.rtp-sec{padding:56px 0}}