.rm-star-trail{pointer-events:none;z-index:80;width:100vw;height:100vh;position:fixed;inset:0}.rm-page{--rm-ink:#1c1410;--rm-mute:#5c4e3a;--rm-deep:#1a1208;--rm-a1:#8b6914;--rm-a2:#2f6b4f;--rm-b1:#3b5bdb;--rm-b2:#d4a017;--rm-c1:#c45c26;--rm-c2:#c9a227;max-width:min(96vw,1100px);font-family:var(--font-rm-body), system-ui, sans-serif;color:var(--rm-ink);margin:0 auto;padding-bottom:48px}body:has(.rm-shell){color:#e8e0f0;background-color:#030712;background-image:linear-gradient(#03071247 0%,#0806121a 45%,#0307125c 100%),url(/roadmap-solar-system.webp);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:fixed}body:has(.rm-shell) .rm-page{z-index:3;position:relative}body:has(.rm-shell) .site-footer{background:0 0;border:0}body:has(.rm-shell) .site-footer-inner{color:#c8b8e8;background:#0e0f27;border-color:#a08cff38}body:has(.rm-shell) .site-footer-brand{color:#f0e6ff}body:has(.rm-shell) .site-footer-brand strong{color:#f0e6ff}body:has(.rm-shell) .site-footer-brand small{color:#9a8ab8}body:has(.rm-shell) .site-footer-copy{color:#9a8ab8}:is(body:has(.rm-shell) .site-footer-links a,body:has(.rm-shell) .site-footer-copy a){color:#c8b8e8}.rm-sky-craft{z-index:2;pointer-events:none;position:fixed;inset:0;overflow:hidden}.rm-craft{filter:drop-shadow(0 0 12px #78c8ff73);offset-rotate:0deg;will-change:offset-distance;background:0 0;max-width:none;height:auto;display:block;position:absolute;top:0;left:0}.rm-craft--ufo{offset-path:ellipse(min(44vw, 500px) min(27vh, 240px) at 50% 48%);width:min(120px,15vw);animation:38s linear infinite rm-orbit-travel}.rm-craft--sat{offset-path:ellipse(min(36vw, 400px) min(36vh, 300px) at 50% 52%);filter:drop-shadow(0 0 10px #a0dcff66);width:min(104px,13vw);animation:52s linear infinite rm-orbit-travel-rev}@keyframes rm-orbit-travel{0%{offset-distance:0%}to{offset-distance:100%}}@keyframes rm-orbit-travel-rev{0%{offset-distance:100%}to{offset-distance:0%}}@media (prefers-reduced-motion:reduce){.rm-craft--ufo{offset-distance:12%;animation:none}.rm-craft--sat{offset-distance:68%;animation:none}}body:has(.rm-page--hub) .rm-page--hub{color:#e8e0f0;min-height:70vh}body:has(.rm-page--hub) .rm-hero--hub .rm-hero-sub{color:#e2d6f5d1;max-width:58ch}body:has(.rm-page--hub) .rm-hero--hub .btn.secondary{color:#f0e6ff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f0a1c8c;border:1px solid #c8b4ff59}body:has(.rm-page--hub) .rm-hero--hub .btn.secondary:hover:not(:disabled){background:#281c46bf;border-color:#dcc8ff80}body:has(.rm-page--hub) .rm-legend{color:#e6dcfae0}:is(body:has(.rm-page--hub) .rm-hero--hub,body:has(.rm-page--hub) .rm-library){--rm-rainbow:#ff004c, #ff7a00, #fe0, #2ecc71, #1e90ff, #5b2cff, #c026d3;isolation:isolate;position:relative;box-shadow:none!important;background:0 0!important;border:2.5px solid #0000!important}body:has(.rm-page--hub) .rm-hero--hub:before{content:"";z-index:0;border-radius:inherit;background:conic-gradient(from 210deg, var(--rm-rainbow), #ff004c);pointer-events:none;-webkit-mask-composite:xor;padding:2.5px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}body:has(.rm-page--hub) .rm-library:before{content:"";z-index:0;border-radius:inherit;background:conic-gradient(from 210deg, var(--rm-rainbow), #ff004c);pointer-events:none;-webkit-mask-composite:xor;padding:2.5px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}body:has(.rm-page--hub) .rm-library{border-radius:4px 22px 22px 4px}body:has(.rm-page--hub) .rm-library>*{z-index:1;position:relative}body:has(.rm-page--hub) .rm-library-aura{z-index:0}:is(body:has(.rm-page--hub) .rm-library-aura .rm-dust,body:has(.rm-page--hub) .rm-library-aura .rm-candle){opacity:.45}body:has(.rm-page--hub) .rm-library-scroll{color:#f0e6ffe0;text-shadow:0 1px 10px #00000073}body:has(.rm-page--hub) .rm-hero--hub>*{z-index:1;position:relative}.rm-page--level,.rm-page--practice,.rm-page--lesson:not(.rm-page--lesson-diary){max-width:min(96vw,820px)}.rm-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.rm-hero--hub{--rm-rainbow:#ff004c, #ff7a00, #fe0, #2ecc71, #1e90ff, #5b2cff, #c026d3;isolation:isolate;box-shadow:none;background:0 0;border:2.5px solid #0000;border-radius:4px 20px 20px 4px;padding:18px 20px;position:relative}.rm-hero-kicker{font-family:var(--font-rm-magic), var(--font-rm-display), Georgia, serif;letter-spacing:.18em;text-transform:uppercase;background:linear-gradient(90deg,#c9a227,#f0e6c8,#c9a227);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 6px;font-size:.78rem;font-weight:700}.rm-hero h1{font-family:var(--font-rm-magic), var(--font-rm-display), Georgia, serif;letter-spacing:.02em;color:#1a1208;margin:0;font-size:clamp(1.55rem,3.2vw,2.2rem);font-weight:700;line-height:1.2}.rm-hero--hub h1.rm-hero-title-rainbow{background:linear-gradient(90deg,#ff004c 0%,#ff7a00 16%,#fe0 33%,#2ecc71 50%,#1e90ff 66%,#5b2cff 83%,#c026d3 100%);color:#0000;-webkit-background-clip:text;background-clip:text}.rm-btn-rainbow{--rm-rainbow:#ff004c, #ff7a00, #fe0, #2ecc71, #1e90ff, #5b2cff, #c026d3;isolation:isolate;letter-spacing:.045em;text-shadow:0 1px 2px #00000073;font-weight:800;position:relative;box-shadow:inset 0 0 0 1px #ffffff38,0 6px 18px #c026d347,0 4px 12px #ff7a0038;background:linear-gradient(105deg, #ff004c 0%, #ff7a00 16%, #e6b800 33%, #1faa5a 50%, #1e90ff 66%, #5b2cff 83%, #c026d3 100%) padding-box, conic-gradient(from 160deg, var(--rm-rainbow), #ff004c) border-box!important;color:#fff!important;border:2.5px solid #0000!important}.rm-btn-rainbow:hover:not(:disabled){filter:brightness(1.05)saturate(1.08);box-shadow:inset 0 0 0 1px #ffffff47,0 8px 24px #ff004c4d,0 4px 14px #1e90ff40;background:linear-gradient(105deg, #ff1a60 0%, #ff8a1a 16%, #f0c400 33%, #2ecc71 50%, #3aa0ff 66%, #6b3cff 83%, #d946ef 100%) padding-box, conic-gradient(from 220deg, var(--rm-rainbow), #ff004c) border-box!important}.rm-btn-rainbow:focus-visible{outline-offset:3px;outline:2px solid #5b2cff}.rm-hero--level h1{color:#ea580c}.rm-hero--level{background:#fffbf4;border:1.5px solid #dd9e71;border-radius:4px 18px 18px 4px;flex-direction:column;align-items:stretch;padding:16px 18px;box-shadow:inset 0 1px #ffffffbf}.rm-hero-sub{color:#5c4e3a;max-width:54ch;margin:8px 0 0;font-size:.96rem;line-height:1.5}.rm-hero--level .rm-hero-sub{gap:6px;padding:0;list-style:none;display:grid}.rm-hero--level .rm-hero-sub li{grid-template-columns:1.1em 1fr;align-items:start;gap:8px;display:grid}.rm-hero--level .rm-hero-sub li:before{content:"•";color:#ea580c;font-weight:700;line-height:1.45}.rm-hero-actions{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:10px;display:flex}.rm-layout{gap:18px;display:grid}.rm-library{background:radial-gradient(80% 45% at 50% 0,#c9a22738,#0000 55%),radial-gradient(45% 40% at 8% 85%,#5a281480,#0000 60%),radial-gradient(45% 40% at 92% 70%,#3c145a66,#0000 55%),linear-gradient(165deg,#2a1c12 0%,#120c08 45%,#1a1018 100%);border:1px solid #c9a22766;border-radius:22px;padding:28px 18px 36px;animation:.7s cubic-bezier(.22,1,.36,1) both rm-stage-in;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #00000080,0 24px 60px #00000073}@keyframes rm-stage-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.rm-library-aura{pointer-events:none;z-index:0;position:absolute;inset:0}.rm-dust{opacity:.55;background:#f0e6c8;border-radius:50%;width:3px;height:3px;animation:8s ease-in-out infinite alternate rm-dust-float;position:absolute;box-shadow:20px 40px #c9a227,60px 10px #ffe9a8,120px 55px #d4af37,180px 25px #fff6d0,90px 80px #ff8a65,150px 35px #81d4fa}.rm-dust--1{top:12%;left:8%}.rm-dust--2{animation-delay:-3s;top:30%;right:12%}.rm-dust--3{animation-delay:-5s;bottom:28%;left:40%}@keyframes rm-dust-float{0%{opacity:.35;transform:translateY(0)}to{opacity:.85;transform:translateY(-18px)}}.rm-candle{background:linear-gradient(#f5e6c8,#d4b483);border-radius:2px;width:10px;height:36px;position:absolute;bottom:12%;box-shadow:0 0 20px #ffb43c40}.rm-candle:after{content:"";background:radial-gradient(at bottom,#fc6,#ff6b1a 55%,#0000 70%);border-radius:50% 50% 40% 40%;width:12px;height:18px;animation:1.4s ease-in-out infinite alternate rm-flame;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.rm-candle--l{left:5%}.rm-candle--r{right:5%}@keyframes rm-flame{0%{opacity:.85;transform:translate(-50%)scale(1)}to{opacity:1;transform:translate(-50%)scale(1.12)rotate(3deg)}}.rm-library-scroll{z-index:1;text-align:center;max-width:44ch;font-family:var(--font-rm-magic), Georgia, serif;color:#d9c9a3;margin:0 auto 20px;font-size:.95rem;line-height:1.45;position:relative}.rm-tower{z-index:2;max-width:480px;margin:0 auto;padding:8px 0 12px 28px;position:relative}.rm-tower-rail{opacity:.95;z-index:1;pointer-events:none;background:linear-gradient(#8b6914,#2f6b4f,#3b5bdb,#d4a017,#c45c26,#c9a227,#7c3aed);border-radius:999px;width:5px;position:absolute;top:10px;bottom:22px;left:10px;transform:none;box-shadow:0 0 14px #c9a22773}.rm-bookshelf{perspective:1400px;flex-direction:column;align-items:stretch;gap:44px;margin:0;padding:0;list-style:none;display:flex}.rm-book-row{animation:.65s cubic-bezier(.22,1,.36,1) both rm-book-in;animation-delay:calc(var(--rm-row) * .12s);justify-content:flex-start;padding-left:8px;display:flex;position:relative}.rm-tower-node{z-index:2;pointer-events:none;background:conic-gradient(#ff004c,#ff7a00,#fe0,#2ecc71,#1e90ff,#8a2be2,#ff004c);border-radius:50%;width:14px;height:14px;position:absolute;top:50%;left:-18px;transform:translateY(-50%);box-shadow:0 0 0 3px #120c08,0 0 12px #ffc8508c}.rm-book-pair{grid-template-columns:1fr 1fr;place-items:end start;gap:36px 40px;width:100%;display:grid}.rm-book-slot{justify-content:flex-start;display:flex;position:relative}@keyframes rm-book-in{0%{opacity:0;transform:translateY(28px)scale(.94)}to{opacity:1;transform:none}}.rm-book{--book-w:200px;--book-h:250px;--book-d:32px;--rainbow:conic-gradient(from var(--rainbow-angle,0deg), #ff004c, #ff7a00, #fe0, #2ecc71, #1e90ff, #8a2be2, #ff69b4, #ff004c);width:var(--book-w);height:var(--book-h);color:#f8f0dc;transform-style:preserve-3d;filter:drop-shadow(10px 16px 14px #0000008c);z-index:2;animation:2.8s ease-in-out infinite rm-book-breathe;animation-delay:calc(var(--rm-i,0) * .18s);margin-left:0;text-decoration:none;transition:transform .4s cubic-bezier(.22,1,.36,1),filter .35s;display:block;position:relative;transform:rotateY(-12deg)rotateX(4deg)}@keyframes rm-book-breathe{0%,to{transform:rotateY(-12deg)rotateX(4deg)scale(1)}50%{transform:rotateY(-12deg)rotateX(4deg)scale(1.04)}}.rm-book:hover,.rm-book:focus-visible{filter:drop-shadow(12px 24px 22px #000000a6);z-index:6;outline:none;animation:none;transform:rotateY(-4deg)rotateX(2deg)translateY(-10px)scale(1.07)}.rm-book-rainbow{background:var(--rainbow);z-index:0;filter:blur(.2px);border-radius:8px;animation:6s linear infinite rm-rainbow-spin;position:absolute;inset:-5px;box-shadow:0 0 18px #ff64b459}.rm-book-rainbow--inner{opacity:.85;filter:blur();box-shadow:none;-webkit-mask-composite:xor;background:var(--rainbow);border-radius:6px;padding:3px;animation-duration:4.5s;animation-direction:reverse;inset:-2px;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}@property --rainbow-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes rm-rainbow-spin{to{--rainbow-angle:360deg}}.rm-book-gems{z-index:4;pointer-events:none;position:absolute;inset:0}.rm-book-gems i{border-radius:50%;width:8px;height:8px;animation:2.4s ease-in-out infinite rm-gem-twinkle;position:absolute;box-shadow:0 0 8px}.rm-book-gems i:first-child{color:#ff004c;background:#ff004c;top:6%;left:12%}.rm-book-gems i:nth-child(2){color:#ff7a00;background:#ff7a00;animation-delay:.2s;top:8%;right:14%}.rm-book-gems i:nth-child(3){color:#fe0;background:#fe0;animation-delay:.4s;top:48%;left:4%}.rm-book-gems i:nth-child(4){color:#2ecc71;background:#2ecc71;animation-delay:.6s;top:48%;right:4%}.rm-book-gems i:nth-child(5){color:#1e90ff;background:#1e90ff;animation-delay:.8s;bottom:10%;left:16%}.rm-book-gems i:nth-child(6){color:#8a2be2;background:#8a2be2;animation-delay:1s;bottom:8%;right:14%}.rm-book-gems i:nth-child(7){color:#ff69b4;background:#ff69b4;width:6px;height:6px;animation-delay:1.2s;top:28%;left:48%}@keyframes rm-gem-twinkle{0%,to{opacity:.45;transform:scale(.85)}50%{opacity:1;transform:scale(1.25)}}.rm-book-cover{z-index:2;border-radius:3px 6px 6px 3px;flex-direction:column;justify-content:flex-start;align-items:center;padding:14px 12px 12px;display:flex;position:absolute;inset:4px;overflow:hidden;box-shadow:inset 0 0 0 1px #ffe6a047,inset 5px 0 10px #00000047}.rm-book-cover:before{content:"";pointer-events:none;border:1px solid #f0dc9666;border-radius:2px;position:absolute;inset:10px}.rm-book-spine{transform-origin:0;z-index:1;border-radius:2px 0 0 2px;flex-direction:column;justify-content:space-between;align-items:center;width:15px;padding:10px 0;display:flex;position:absolute;top:4px;bottom:4px;left:4px;transform:rotateY(90deg);box-shadow:inset -2px 0 4px #00000059}.rm-book-spine-rune,.rm-book-spine-level{writing-mode:vertical-rl;font-family:var(--font-rm-magic), Georgia, serif;letter-spacing:.12em;color:#ffecb4eb;font-size:.62rem;font-weight:700;transform:rotate(180deg)}.rm-book-pages{width:var(--book-d);transform-origin:100%;z-index:0;background:repeating-linear-gradient(90deg,#f4ecd8 0 2px,#e8dcc0 2px 3px);border-radius:0 2px 2px 0;position:absolute;top:6px;bottom:6px;right:4px;transform:rotateY(-90deg)translate(100%)}.rm-book-glow{opacity:.35;pointer-events:none;z-index:-1;border-radius:40%;transition:opacity .35s;position:absolute;inset:-18%}.rm-book:hover .rm-book-glow,.rm-book:focus-visible .rm-book-glow{opacity:1}.rm-book-ornament{z-index:3;border:2px solid #0000;border-image:linear-gradient(135deg,#ff004c,#fe0,#1e90ff,#8a2be2) 1;width:16px;height:16px;position:absolute}.rm-book-ornament--tl{border-bottom:0;border-right:0;top:12px;left:12px}.rm-book-ornament--tr{border-bottom:0;border-left:0;top:12px;right:12px}.rm-book-ornament--bl{border-top:0;border-right:0;bottom:12px;left:12px}.rm-book-ornament--br{border-top:0;border-left:0;bottom:12px;right:12px}.rm-book-crest{z-index:2;border-radius:50%;place-items:center;width:72px;height:72px;margin-top:10px;display:grid;position:relative}.rm-book-crest-ring{background:conic-gradient(#ff004c,#ff7a00,#fe0,#2ecc71,#1e90ff,#8a2be2,#ff004c);border-radius:50%;animation:5s linear infinite rm-rainbow-spin;position:absolute;inset:0;-webkit-mask:radial-gradient(farthest-side,#0000 calc(100% - 3px),#000 calc(100% - 2px));mask:radial-gradient(farthest-side,#0000 calc(100% - 3px),#000 calc(100% - 2px))}.rm-book-crest-inner{z-index:1;width:58px;height:58px;font-family:var(--font-rm-magic), Georgia, serif;letter-spacing:.04em;background:radial-gradient(circle at 35% 30%,#ffffff38,#0000 50%),#00000059;border-radius:50%;place-items:center;font-size:1.45rem;font-weight:700;display:grid;position:relative;box-shadow:inset 0 0 0 1px #ffe6a059}.rm-book-title{font-family:var(--font-rm-magic), Georgia, serif;text-align:center;z-index:3;text-shadow:0 1px 3px #00000080;margin-top:2px;font-size:1.05rem;font-weight:700;line-height:1.2}.rm-book-subtitle{letter-spacing:.04em;opacity:.85;z-index:3;margin-top:2px;margin-bottom:8px;font-size:.66rem;font-weight:600}.rm-book-binding{letter-spacing:.06em;text-transform:uppercase;opacity:.8;text-align:center;z-index:3;margin-top:auto;font-size:.62rem;font-weight:700}.rm-book-cta{color:#ffe9a8;z-index:2;text-shadow:0 0 8px #ffc85073;margin-top:8px;font-size:.72rem;font-weight:800}.rm-book-weather{z-index:1;pointer-events:none;flex:none;place-items:center;width:100%;margin:2px 0 4px;display:grid;position:relative}.rm-wx-orb{aspect-ratio:1;border-radius:50%;width:min(58%,112px);position:relative}.rm-wx-orb>i,.rm-wx-spin>i{pointer-events:none;font-style:normal;display:block;position:absolute}.rm-wx-spin{transform-origin:50%;will-change:transform;animation:rm-wx-ring-spin var(--wx-spin,28s) linear infinite;position:absolute;inset:0}.rm-wx-spin--outer{animation-duration:var(--wx-spin-outer,40s);animation-direction:reverse;inset:-10px}.rm-wx-ring,.rm-wx-ring--outer{background:conic-gradient(from 0deg, #fff 0deg 28deg, var(--wx-c1,#fff6c8) 55deg, var(--wx-c3,#ffe08a) 130deg, var(--wx-c4,#ffb347) 210deg, var(--wx-c2,#fff) 290deg, #fff 360deg);opacity:var(--wx-ring-op,.95);filter:drop-shadow(0 0 var(--wx-glow,10px) var(--wx-glow-c,#ffdc78d9)) drop-shadow(0 0 4px 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small{opacity:.75;font-weight:600}.rml-list-ex-blurb{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 10px;font-size:.88rem}.rml-list-ex-items{border:1px solid color-mix(in srgb, var(--rml-accent) 18%, #cfd8e3);background:#fff;border-radius:12px;margin:0;padding:8px 0;list-style:none}.rml-list-ex-item{border-bottom:1px dashed color-mix(in srgb, var(--rml-accent) 18%, #e2e8f0);grid-template-columns:1.5rem 1fr;align-items:start;gap:8px;margin:0;padding:10px 14px;font-size:1.05rem;line-height:1.5;display:grid}.rml-list-ex-item:last-child{border-bottom:0}.rml-list-ex-bullet{color:color-mix(in srgb, var(--rml-accent) 75%, #334155);font-weight:800;line-height:1.5}.rm-page--lesson.is-dark .rml-list-ex{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-list-ex-items{border-color:color-mix(in srgb, var(--rml-accent) 30%, #94a3b859);background:#0f172ae6}.rm-page--lesson.is-dark .rml-list-ex-blurb{color:var(--rml-mute)}.rml-reader-ex{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, #d8ccb6);background:color-mix(in srgb, #fffdf8 88%, var(--rml-accent-soft));border-radius:14px;padding:14px;position:relative}.rml-reader-ex-unit{letter-spacing:.06em;text-transform:uppercase;color:color-mix(in srgb, var(--rml-accent) 75%, #475569);margin:0 0 2px;font-size:.75rem;font-weight:800}.rml-reader-ex-head h3{margin:0 0 4px;font-size:1.12rem}.rml-reader-ex-head small{opacity:.75;font-weight:600}.rml-reader-ex-blurb{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 12px;font-size:.88rem}.rml-reader-ex-body{border:1px solid color-mix(in srgb, var(--rml-accent) 18%, #cfd8e3);background:#fff;border-radius:12px;gap:8px;padding:14px 16px;font-size:1.02rem;line-height:1.55;display:grid}.rml-reader-ex-sent{grid-template-columns:1.4rem 1fr;align-items:start;gap:8px;margin:0;display:grid}.rml-reader-ex-n{width:1.25rem;height:1.25rem;color:color-mix(in srgb, var(--rml-accent) 80%, #334155);background:color-mix(in srgb, var(--rml-accent-soft) 80%, #e2e8f0);border-radius:999px;justify-content:center;align-items:center;margin-top:.15rem;font-size:.68rem;font-weight:800;display:inline-flex}.rm-page--lesson.is-dark .rml-reader-ex{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-reader-ex-body{border-color:color-mix(in srgb, var(--rml-accent) 30%, #94a3b859);background:#0f172ae6}.rm-page--lesson.is-dark .rml-reader-ex-blurb,.rm-page--lesson.is-dark .rml-reader-ex-unit{color:var(--rml-mute)}.rm-page--lesson.is-dark .rml-reader-ex-n{color:color-mix(in srgb, var(--rml-accent) 70%, #e2e8f0);background:#1e293be6}.rml-comic-ex{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, 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10px}.rml-comic-ex-bubble.is-narrator{background:0 0;border-style:dashed;border-radius:8px;font-style:italic}.rml-comic-ex-who{letter-spacing:.04em;text-transform:uppercase;color:color-mix(in srgb, var(--rml-accent) 70%, #334155);margin-bottom:2px;font-size:.72rem;font-weight:800;display:block}@media (max-width:800px){.rml-comic-ex-strip{grid-template-columns:1fr}}.rm-page--lesson.is-dark .rml-comic-ex{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-comic-ex-panel{border-color:color-mix(in srgb, var(--rml-accent) 40%, #94a3b873);background:#0f172ae6}.rm-page--lesson.is-dark .rml-comic-ex-caption{background:#1e293bd9}.rm-page--lesson.is-dark .rml-comic-ex-bubble{border-color:color-mix(in srgb, var(--rml-accent) 30%, #94a3b859);background:#1e293bbf}.rm-page--lesson.is-dark .rml-comic-ex-blurb,.rm-page--lesson.is-dark .rml-comic-ex-scene{color:var(--rml-mute)}.rml-form-ex{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, #d8ccb6);background:color-mix(in srgb, #fffdf8 88%, var(--rml-accent-soft));border-radius:14px;padding:14px;position:relative}.rml-form-ex-head h3{margin:0 0 4px;font-size:1.05rem}.rml-form-ex-head small{opacity:.75;font-weight:600}.rml-form-ex-blurb{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 10px;font-size:.88rem}.rml-form-ex-sheet{border:1px solid color-mix(in srgb, var(--rml-accent) 25%, #cfd8e3);background:#fff;border-radius:12px;gap:0;display:grid;overflow:hidden}.rml-form-ex-sheet--lines{padding:4px 0}.rml-form-ex-line{border-bottom:1px solid color-mix(in srgb, var(--rml-accent) 12%, #e2e8f0);grid-template-columns:1fr;gap:2px;padding:12px 16px;display:grid}.rml-form-ex-line:last-child{border-bottom:0}.rml-form-ex-line-label{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.rml-form-ex-k{color:color-mix(in srgb, var(--rml-accent) 70%, #1e293b);font-size:.92rem;font-weight:800}.rml-form-ex-k-vi{color:color-mix(in srgb, var(--rml-ink,#1c2430) 55%, #64748b);font-size:.82rem;font-weight:600}.rml-form-ex-k-vi:before{content:"· ";opacity:.6}.rml-form-ex-line-value{border-bottom:1.5px dotted color-mix(in srgb, var(--rml-accent) 35%, #94a3b8);flex-direction:column;gap:2px;min-height:1.7rem;padding:6px 0 2px;display:flex}.rml-form-ex-v{word-break:break-word;white-space:pre-line;font-size:1.08rem;font-weight:700;line-height:1.45}.rml-form-ex-v-vi{color:color-mix(in srgb, var(--rml-ink,#1c2430) 60%, #64748b);font-size:.86rem;font-weight:500}.rml-form-ex-row{border-bottom:1px solid color-mix(in srgb, var(--rml-accent) 12%, #e2e8f0);grid-template-columns:1fr;gap:0;display:grid}.rml-form-ex-row:last-child{border-bottom:0}.rml-form-ex-label{background:color-mix(in srgb, var(--rml-accent-soft) 55%, #f8fafc);padding:10px 12px 2px;font-weight:700}.rml-form-ex-value{padding:4px 12px 10px}.rm-page--lesson.is-dark .rml-form-ex{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-form-ex-sheet{border-color:color-mix(in srgb, var(--rml-accent) 30%, #94a3b859);background:#0f172ad9}.rm-page--lesson.is-dark .rml-form-ex-label{background:#1e293bd9}.rm-page--lesson.is-dark .rml-form-ex-blurb,.rm-page--lesson.is-dark .rml-form-ex-k-vi,.rm-page--lesson.is-dark .rml-form-ex-v-vi{color:var(--rml-mute)}.rm-page--lesson.is-dark .rml-form-ex-k{color:color-mix(in srgb, var(--rml-accent) 55%, #e2e8f0)}.rm-page--lesson.is-dark .rml-form-ex-line-value{border-bottom-color:color-mix(in srgb, var(--rml-accent) 40%, #94a3b873)}.rml-chat-ex{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, #d8ccb6);background:color-mix(in srgb, #fffdf8 88%, var(--rml-accent-soft));border-radius:14px;padding:14px;position:relative}.rml-chat-ex-head h3{margin:0 0 4px;font-size:1.05rem}.rml-chat-ex-head small{opacity:.75;font-weight:600}.rml-chat-ex-blurb{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 10px;font-size:.88rem}.rml-chat-ex-thread{border:1px solid color-mix(in srgb, var(--rml-accent) 18%, #cfd8e3);background:#eff3f9;border-radius:14px;gap:8px;padding:12px;display:grid}.rml-chat-ex-bubble{border:1px solid color-mix(in srgb, var(--rml-accent) 20%, #d8ccb6);background:#fff;border-radius:14px 14px 14px 4px;justify-self:start;gap:4px;max-width:min(100%,28rem);padding:8px 12px;display:grid}.rml-chat-ex-bubble.is-reply{background:color-mix(in srgb, var(--rml-accent-soft) 80%, #fff);border-radius:14px 14px 4px;justify-self:end}.rml-chat-ex-who{letter-spacing:.04em;text-transform:uppercase;color:var(--rml-accent);font-size:.72rem;font-weight:800}.rm-page--lesson.is-dark .rml-chat-ex{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-chat-ex-thread{border-color:color-mix(in srgb, var(--rml-accent) 30%, #94a3b859);background:#0f172a8c}.rm-page--lesson.is-dark .rml-chat-ex-bubble{background:#0f172ad9}.rm-page--lesson.is-dark .rml-chat-ex-blurb{color:var(--rml-mute)}.rml-signboard{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, #d8ccb6);background:color-mix(in srgb, #fffdf8 88%, var(--rml-accent-soft));border-radius:14px;padding:14px;position:relative}.rml-signboard-head h3{margin:0 0 4px;font-size:1.05rem}.rml-signboard-head small{opacity:.75;font-weight:600}.rml-signboard-blurb{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 10px;font-size:.88rem}.rml-signboard-face{border:2px solid color-mix(in srgb, var(--rml-accent) 35%, #94a3b8);background:#fff;border-radius:12px;gap:8px;padding:14px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:grid}.rml-signboard--sign .rml-signboard-face{color:#fef3c7;background:#111827;border-color:#fbbf24}.rml-signboard--sign .rml-signboard-face .rml-en-strong{color:#fef3c7;letter-spacing:.04em;text-transform:uppercase}.rml-signboard--shop .rml-signboard-face{background:linear-gradient(#fff7ed,#fff);border-color:#c2410c}.rml-signboard--menu .rml-signboard-face{background:#fffbeb;border:4px double #a16207}.rml-signboard-line{margin:0}.rml-signboard-ask{margin:12px 0 0;font-size:.9rem;line-height:1.45}.rml-signboard-ask-q{color:var(--rml-accent);font-weight:800}.rm-page--lesson.is-dark .rml-signboard{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-signboard--sign .rml-signboard-face{background:#0b1224}.rm-page--lesson.is-dark .rml-signboard--shop .rml-signboard-face,.rm-page--lesson.is-dark .rml-signboard--menu .rml-signboard-face{background:#0f172ad9}.rm-page--lesson.is-dark .rml-signboard-blurb{color:var(--rml-mute)}.rml-ftree{z-index:1;border:1px solid color-mix(in srgb, var(--rml-accent) 22%, #d8ccb6);background:color-mix(in srgb, #fffdf8 88%, var(--rml-accent-soft));border-radius:14px;padding:14px 14px 16px;position:relative}.rml-ftree-head h3{margin:0 0 4px;font-size:1.05rem}.rml-ftree-head small{opacity:.75;font-weight:600}.rml-ftree-hint{color:color-mix(in srgb, var(--rml-ink,#1c2430) 72%, #64748b);margin:0 0 12px;font-size:.88rem}.rml-ftree-board{justify-items:center;gap:0;display:grid}.rml-ftree-gen{justify-items:center;gap:8px;width:100%;display:grid}.rml-ftree-gen-label{letter-spacing:.04em;text-transform:uppercase;color:color-mix(in srgb, var(--rml-accent) 70%, #64748b);font-size:.72rem;font-weight:800}.rml-ftree-row{flex-wrap:wrap;justify-content:center;align-items:stretch;gap:8px 10px;display:flex}.rml-ftree-row--wide{gap:8px}.rml-ftree-link{color:color-mix(in srgb, var(--rml-accent) 55%, #94a3b8);align-self:center;font-weight:800}.rml-ftree-stem{background:color-mix(in srgb, var(--rml-accent) 45%, #c4b29a);border-radius:2px;width:2px;height:18px;margin:2px 0}.rml-ftree-person{border:1px solid color-mix(in srgb, var(--rml-accent) 28%, #d8ccb6);min-width:7.2rem;max-width:11rem;box-shadow:0 1px 0 color-mix(in srgb, var(--rml-accent) 12%, transparent);background:#fff;border-radius:12px;grid-template-rows:auto auto auto;grid-template-columns:auto auto;align-items:center;gap:2px 6px;padding:8px 10px;display:grid}.rml-ftree-person.is-me{border-color:var(--rml-accent);background:color-mix(in srgb, var(--rml-accent-soft) 85%, #fff);box-shadow:0 0 0 2px color-mix(in srgb, var(--rml-accent) 28%, transparent)}.rml-ftree-role{color:#64748b;grid-column:1/-1;font-size:.68rem;font-weight:700;line-height:1.2}.rml-ftree-en{color:var(--rml-ink,#1c2430);font-size:.9rem;font-weight:800;line-height:1.25}.rml-ftree-person .rml-vi-btn{justify-self:end}.rml-ftree-vi{color:color-mix(in srgb, var(--rml-accent) 55%, #334155);grid-column:1/-1;font-size:.82rem}.rml-ftree-note{color:color-mix(in srgb, var(--rml-ink,#1c2430) 78%, #64748b);margin:14px 0 0;font-size:.86rem;line-height:1.45}@media (max-width:640px){.rml-ftree-person{min-width:6.4rem;max-width:9.5rem;padding:7px 8px}.rml-ftree-en{font-size:.82rem}}.rm-page--lesson.is-dark .rml-ftree{background:color-mix(in srgb, var(--rml-accent-soft) 70%, #0c1024d9);border-color:color-mix(in srgb, var(--rml-accent) 35%, #94a3b859)}.rm-page--lesson.is-dark .rml-ftree-person{border-color:color-mix(in srgb, var(--rml-accent) 40%, #94a3b859);background:#0f172ab8}.rm-page--lesson.is-dark .rml-ftree-person.is-me{background:color-mix(in srgb, var(--rml-accent-soft) 90%, #0f172a80)}.rm-page--lesson.is-dark .rml-ftree-en{color:var(--rml-ink)}.rm-page--lesson.is-dark .rml-ftree-vi,.rm-page--lesson.is-dark .rml-ftree-role,.rm-page--lesson.is-dark .rml-ftree-hint,.rm-page--lesson.is-dark 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2px;padding:14px 16px 16px}.rml-skill-block h3{font-family:var(--font-rm-display), Georgia, serif;color:#1a1208;margin:0 0 10px;font-size:1.1rem}.rml-skill-steps,.rml-skill-check{color:var(--rml-ink);gap:8px;margin:0;padding-left:1.2em;font-size:.98rem;line-height:1.5;display:grid}.rml-skill-check{padding-left:0;list-style:none}.rml-skill-check li{padding-left:1.5em;position:relative}.rml-skill-check li:before{content:"☐";color:#ea580c;font-weight:700;position:absolute;left:0}.rml-skill-chunks{gap:8px;margin:0;padding:0;list-style:none;display:grid}.rml-skill-chunks li{background:#ffffff8c;border-radius:8px;padding:8px 10px}.rml-skill-block--passage .rml-scene-passage{margin:0 0 8px;font-size:1.02rem;line-height:1.65}.rml-listening-player{background:#3b82f61a;border:1px dashed #99b8e8;border-radius:12px;margin:0 0 12px;padding:12px 14px}.rml-listening-audio{width:100%;max-width:520px;display:block}.rml-listening-hint{opacity:.85;margin:8px 0 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1.5rem;line-height:1.55}.rm-seo-preview-head{margin-bottom:1rem}.rm-seo-kicker{letter-spacing:.02em;color:#64748b;text-transform:uppercase;margin:0 0 .35rem;font-size:.82rem}.rm-seo-preview h1{color:#0f172a;margin:0 0 .55rem;font-size:clamp(1.35rem,2.4vw,1.85rem);line-height:1.25}.rm-seo-intro{color:#334155;margin:0}.rm-seo-section{margin-top:1.15rem}.rm-seo-section h2{color:#0f766e;margin:0 0 .55rem;font-size:1.05rem}.rm-seo-section h3{color:#1e3a8a;margin:0 0 .3rem;font-size:.95rem}.rm-seo-structures{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem;display:grid}.rm-seo-structure{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:.75rem .85rem}.rm-seo-formula{color:#0f172a;margin:0 0 .35rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92rem;font-weight:600}.rm-seo-example{color:#334155;margin:.35rem 0 0;font-size:.92rem}.rm-seo-example [lang=en]{color:#0f172a;font-weight:600}.rm-seo-uses,.rm-seo-examples,.rm-seo-words{margin:0;padding-left:1.1rem}.rm-seo-uses li,.rm-seo-examples li{margin-bottom:.55rem}.rm-seo-note{color:#64748b;margin-left:.35rem;font-size:.8rem;display:inline-block}.rm-seo-block{margin-bottom:.85rem}.rm-seo-more{color:#475569;border-top:1px dashed #cbd5e1;margin:1.15rem 0 0;padding-top:.85rem;font-size:.92rem}.rm-seo-more a{color:#0f766e;font-weight:600}.rm-page--lesson .premium-paywall.is-compact{max-width:820px;margin:0 auto 1rem}