@layer theme,base;@layer components{.launch{background:var(--surface);grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100vh;display:grid}.launch-main{flex-direction:column;padding:40px 64px;display:flex}.launch-main .brand-logo .rc-lockup{height:30px}.launch-main .brand-logo .rc-lockup-w{height:37px}.launch-main .brand-logo svg{height:40px}.launch-body{max-width:460px;margin:auto 0;padding:48px 0}.launch-body .t-lead{margin-top:16px}.launch-body .btn-ms{margin-top:32px}.launch-hint{font-size:var(--fs-meta);color:var(--text-3);margin-top:12px}.launch-hint strong{color:var(--text-2);font-weight:700}.launch-signing-as{font-size:var(--fs-small);color:var(--text-2);overflow-wrap:anywhere;margin-top:28px}.launch-signing-as strong{color:var(--text);font-weight:700}.launch-signing-as form{display:inline}.launch-signing-as .link{white-space:nowrap;font:inherit;cursor:pointer;background:0 0;border:0;padding:0}.launch-body .launch-signing-as+.btn-ms{margin-top:12px}.launch-foot{font-size:var(--fs-meta);justify-content:space-between;align-items:center;gap:16px;display:flex}.launch-foot a{color:var(--text-3)}.launch-side{justify-content:center;align-items:center;padding:64px;display:flex;position:relative;overflow:hidden}.launch-side.glow .steps{color:#f7f7f7}.launch-side.glow .steps span.d{color:#b8c6d3}.launch-side .badge-mark{opacity:.16;width:380px;position:absolute;bottom:-80px;right:-80px}.launch-steps{width:100%;max-width:400px;position:relative}.launch-steps h2{font-size:var(--fs-small);opacity:.9;margin-bottom:18px;font-weight:750}.steps span.d{font-size:var(--fs-small);margin-top:2px;display:block}.launch-side.image{align-items:stretch;padding:0}.launch-side.image svg.hero{width:100%;height:100%}.launch-side.image img.hero{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.launch-side.image figcaption{border-radius:var(--r-lg);background:color-mix(in srgb, var(--surface) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:var(--fs-small);color:var(--text);box-shadow:var(--shadow-md);align-items:center;gap:12px;padding:16px 18px;display:flex;position:absolute;bottom:32px;left:32px;right:32px}.launch[data-hero=none]{background:linear-gradient(180deg, var(--brand-tint), var(--bg) 60%);grid-template-columns:minmax(0,1fr);place-items:center}.launch[data-hero=none] .launch-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);width:min(520px,100% - 32px);box-shadow:var(--shadow-md);margin:48px 0;padding:40px}.launch[data-hero=none] .launch-body{padding:36px 0 32px}.launch[data-hero=none] .launch-foot{border-top:1px solid var(--line);padding-top:18px}.stats-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px;display:grid}.progress-grid{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.chart-card .card-head .seg button{height:26px;font-size:12px}.chart-body{padding:16px 20px 20px}.ring-big{--size:150px}.ring-big>span{font-size:26px}.legend-row{font-size:var(--fs-meta);color:var(--text-2);flex-wrap:wrap;gap:14px;margin-top:10px;display:flex}.legend-row i{vertical-align:-1px;border-radius:3px;width:10px;height:10px;margin-right:6px;display:inline-block}.heat-wrap{grid-template-columns:auto 1fr;gap:8px;display:grid;overflow-x:auto}.heat-days{color:var(--text-3);grid-template-rows:repeat(7,12px);gap:3px;font-size:10.5px;line-height:12px;display:grid}.heat-scale{color:var(--text-3);justify-content:flex-end;align-items:center;gap:4px;margin-top:10px;font-size:11px;display:flex}.heat-scale i{border-radius:3px;width:12px;height:12px}@media (max-width:1020px){.progress-grid{grid-template-columns:minmax(0,1fr)}.stats-row{grid-template-columns:repeat(2,minmax(0,1fr))}}.err{min-height:calc(100vh - var(--topbar-h));place-items:center;padding:48px 16px;display:grid}.err-card{text-align:center;justify-items:center;gap:10px;width:min(560px,100%);display:grid}.err-code{color:var(--text-3);font-variant-numeric:tabular-nums;font-size:13px;font-weight:800}.err-card .empty-icon{width:56px;height:56px}.err-card .t-lead{max-width:48ch}.err-card .cluster{justify-content:center;margin-top:10px}.err-ref{font-size:var(--fs-meta);color:var(--text-3);margin-top:18px}.staff{grid-template-columns:minmax(0,1fr) 520px;min-height:100vh;display:grid}.staff-art{flex-direction:column;justify-content:space-between;padding:48px 56px;display:flex;position:relative;overflow:hidden}.staff-art img.mark{opacity:.14;width:420px;max-width:70%;position:absolute;bottom:-60px;right:-60px}.staff-art h2{color:#fff;max-width:16ch}.staff-art p{color:#b8c6d3;max-width:44ch;margin-top:12px;font-size:16px}.staff-form{background:var(--surface);flex-direction:column;justify-content:center;gap:14px;padding:48px;display:flex}.staff-form .btn-ms{width:100%;margin-top:10px}.sign-in-step{flex-direction:column;gap:14px;margin-top:6px;display:flex}.sign-in-step .btn-ms{margin-top:0}.sign-in-input{height:48px;font-size:var(--fs-body)}.sign-in-step .error-text{overflow-wrap:anywhere;align-items:flex-start}.sign-in-step .error-text svg{margin-top:2px}@media (max-width:900px){.staff{grid-template-columns:1fr}.staff-art{min-height:220px;padding:28px 20px}.staff-form{padding:28px 20px}}.refusal{place-items:center;min-height:100vh;padding:48px 16px;display:grid}.refusal-card{width:min(560px,100%);padding:36px}.refusal-card .empty-icon{background:var(--warn-tint);width:52px;height:52px;color:var(--warn)}.refusal-card h1{margin-top:18px}.refusal-card .t-lead{margin-top:10px}.account-chip{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface-2);font-size:var(--fs-small);align-items:center;gap:12px;margin-top:20px;padding:10px 12px;display:flex}.account-chip .avatar{background:var(--surface-3);color:var(--text)}.refusal-card ol{color:var(--text-2);font-size:var(--fs-small);gap:8px;margin:20px 0 0;padding-left:20px;display:grid}.refusal-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.refusal-foot{border-top:1px solid var(--line);font-size:var(--fs-meta);color:var(--text-3);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:28px;padding-top:18px;display:flex}.home-grid{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;display:grid}.filters{flex-wrap:wrap;gap:6px;display:flex}.resume{grid-template-columns:232px minmax(0,1fr);gap:20px;padding:16px;display:grid}.resume-body{flex-direction:column;min-width:0;display:flex}.resume-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.kicker{font-size:var(--fs-meta);color:var(--brand-ink);font-weight:750}.resume h2{margin-top:4px}.resume .where{font-size:var(--fs-small);color:var(--text-2);margin-top:2px}.resume-foot{align-items:center;gap:16px;margin-top:auto;padding-top:14px;display:flex}.resume-foot .bar{flex:1;max-width:280px}.rail{border-bottom:1px solid var(--line);padding:18px 20px 14px}.rail-track{height:84px;margin:0 6px;position:relative}.rail-line{background:var(--line-strong);height:1px;position:absolute;top:38px;left:0;right:0}.rail-past{background:var(--surface-3);border-radius:2px;height:3px;position:absolute;top:37px;left:0}.rail-month{font-size:var(--fs-micro);color:var(--text-3);border-left:1px solid var(--line-strong);height:20px;padding-left:6px;line-height:22px;position:absolute;top:46px}.rail-today{border-left:1.5px solid var(--brand-ui);position:absolute;top:24px;bottom:18px}.rail-today span{font-size:var(--fs-micro);color:var(--brand-ink);background:var(--surface);white-space:nowrap;padding:0 4px;font-weight:800;line-height:16px;position:absolute;top:calc(100% + 1px);left:0;transform:translate(-50%)}.rail-pin{place-items:center;display:grid;position:absolute;top:30px;transform:translate(-50%)}.rail-pin svg{background:var(--surface);border-radius:50%;width:16px;height:16px}.rail-pin .lbl{white-space:nowrap;font-size:var(--fs-micro);color:var(--text-2);font-weight:700;position:absolute;bottom:20px}.rail-pin.left .lbl{right:-4px}.rail-pin.right .lbl{left:-4px}.cert-mini{margin:0;padding:6px;list-style:none}.cert-mini li{border-radius:var(--r-md);grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 12px;display:grid}.cert-mini li:hover{background:var(--surface-2)}.cert-ic{border-radius:var(--r-md);background:var(--success-tint);width:36px;height:36px;color:var(--success);place-items:center;display:grid}.cert-mini strong{font-size:var(--fs-small);font-weight:750;display:block}.cert-mini span{font-size:var(--fs-micro);color:var(--text-3);font-variant-numeric:tabular-nums}.help-card{font-size:var(--fs-small);color:var(--text-2);gap:6px;padding:16px 20px;display:grid}.help-card strong{color:var(--text);font-size:var(--fs-small);font-weight:750}.year-card{gap:12px;padding:18px 20px;display:grid}.year-card .split strong{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:26px;font-weight:800}.greet-glow{position:relative}.renewal{border-bottom:1px solid var(--line);background:linear-gradient(90deg, var(--warn-tint), transparent 80%);grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 20px;display:grid}.renewal .r-ic{border-radius:var(--r-md);background:var(--surface);width:36px;height:36px;color:var(--warn);border:1px solid color-mix(in srgb, var(--warn) 30%, transparent);place-items:center;display:grid}.renewal strong{font-size:15px;font-weight:800;display:block}.renewal p{font-size:var(--fs-small);color:var(--text-2);margin-top:2px}.cert-mini .status{white-space:normal;height:auto;min-height:24px;margin-top:4px;padding-top:2px;padding-bottom:2px;line-height:1.35}@media (max-width:760px){.renewal{grid-template-columns:36px 1fr;padding:14px 16px}.renewal .btn{grid-column:1/-1}}.rating-summary{grid-template-columns:180px 1fr;align-items:center;gap:28px;padding:20px;display:grid}.rating-summary .big{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:44px;font-weight:800;line-height:1}.reviews{padding:0 20px 8px}@media (max-width:760px){.rating-summary{grid-template-columns:1fr;gap:14px}}.lib-toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;display:flex}.lib-toolbar .search{flex:260px}.lib-toolbar .select{width:auto;min-width:150px}.lib-sub{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.lib-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.course-card .media .topic{position:absolute;top:10px;left:10px}.course-card .media .fav-btn{z-index:2;position:absolute;top:10px;right:10px}.course-card .rate{font-size:var(--fs-meta);color:var(--text-2);align-items:center;gap:6px;font-weight:700;display:inline-flex}.lib-section{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;margin:8px 0 14px;display:flex}.lib-section h2{font-size:var(--fs-h3);font-weight:800}.paths{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:36px;display:grid}.path-card{align-content:start;gap:8px;padding:16px;display:grid}.path-card .p-ic{border-radius:var(--r-md);background:var(--brand-tint);width:36px;height:36px;color:var(--brand-ink);place-items:center;display:grid}.path-card h3{font-size:15px;font-weight:800;line-height:1.35}.path-card h3 a{color:var(--text);text-decoration:none}.path-steps{gap:3px;margin-top:4px;display:flex}.path-steps i{background:var(--surface-3);border-radius:3px;flex:1;height:5px}.path-steps i.on{background:var(--brand-ui)}.lib-filters{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);flex-wrap:wrap;align-items:center;gap:10px 16px;margin-bottom:16px;padding:12px 14px;display:flex}.lib-filters .select{width:auto;min-width:140px;height:36px}.lib-filters .divider-v{background:var(--line);align-self:stretch;width:1px}@media (max-width:1020px){.paths{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.paths{grid-template-columns:minmax(0,1fr)}.lib-filters .select{flex:45%;min-width:0}.lib-filters .divider-v{display:none}}.course-hero{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:32px;margin-top:14px;display:grid}.course-hero h1{margin-top:10px}.course-hero .t-lead{max-width:60ch;margin-top:10px}.course-hero .meta-list{margin-top:16px}.course-cta{flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;display:flex}.course-grid{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;margin-top:32px;display:grid}.learn-list{grid-template-columns:1fr 1fr;gap:10px 24px;margin:0;padding:0;list-style:none;display:grid}.learn-list li{font-size:var(--fs-small);grid-template-columns:18px 1fr;gap:10px;display:grid}.learn-list svg{color:var(--brand-ink);margin-top:3px}.lesson-list{margin:0;padding:6px;list-style:none}.lesson-link{border-radius:var(--r-md);width:100%;color:var(--text);transition:background-color var(--dur-fast) var(--ease);border:1px solid #0000;grid-template-columns:28px minmax(0,1fr) auto;align-items:start;gap:12px;padding:10px;text-decoration:none;display:grid}.lesson-link:hover{background:var(--surface-2);text-decoration:none}.lesson-link[aria-current=step]{background:var(--brand-tint);border-color:var(--brand-line)}.lesson-link .ix{width:26px;height:26px;font-size:var(--fs-micro);font-variant-numeric:tabular-nums;border:1px solid var(--line-strong);color:var(--text-2);background:var(--surface);border-radius:50%;place-items:center;font-weight:800;display:grid}.lesson-link.is-done .ix{background:var(--brand-fill);color:var(--on-brand);border-color:#0000}.lesson-link[aria-current=step]:not(.is-done) .ix{border:1.5px solid var(--brand-ui);color:var(--brand-ink)}.lesson-link .ix svg{width:14px;height:14px}.lesson-link strong{font-size:var(--fs-small);font-weight:750;line-height:1.35;display:block}.lesson-link .fmt{font-size:var(--fs-micro);color:var(--text-3);align-items:center;gap:5px;margin-top:2px;display:inline-flex}.lesson-link .fmt svg{width:14px;height:14px}.lesson-link .end{font-size:var(--fs-micro);color:var(--text-3);font-variant-numeric:tabular-nums;padding-top:3px}.quiz-gate{border-radius:var(--r-md);border:1px dashed var(--line-strong);gap:10px;margin:6px;padding:14px;display:grid}.quiz-gate .q-row{grid-template-columns:28px 1fr;align-items:start;gap:12px;display:grid}.quiz-gate .q-ic{width:26px;height:26px;color:var(--text-3);place-items:center;display:grid}.quiz-gate strong{font-size:var(--fs-small);font-weight:750;display:block}.quiz-gate span{font-size:var(--fs-micro);color:var(--text-3)}.quiz-gate.is-open{border:1px solid var(--brand-line);background:var(--brand-tint)}.quiz-gate.is-open .q-ic{color:var(--brand-ink)}.player-top{gap:14px}.player-sep{background:var(--line);width:1px;height:22px}.player-logo .rc-lockup{height:18px}.player-logo .rc-lockup-w{height:23px}.player-logo svg{height:26px!important}.player-course{font-size:var(--fs-small);font-weight:700;line-height:inherit;letter-spacing:normal;color:var(--text);white-space:nowrap;text-overflow:ellipsis;min-width:0;margin:0;overflow:hidden}.player-prog{font-size:var(--fs-meta);color:var(--text-2);align-items:center;gap:12px;display:flex}.player-prog .bar{width:140px}.player-grid{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:28px;max-width:1200px;margin-inline:auto;display:grid}.lessons-slot{top:calc(var(--topbar-h) + 20px);position:sticky}.lessons-head-end{align-items:center;gap:6px;margin-right:-8px;display:flex}.lessons-toggle{flex:none;width:32px;height:32px}.lessons-panel .rail-label{display:none}@media (min-width:1021px){.player-grid:has(>.lessons-slot:not([data-view=open])){grid-template-columns:minmax(0,1fr) 52px;gap:16px}.lessons-panel[data-view=rail]{cursor:default;align-content:start;justify-items:center;gap:14px;min-height:260px;padding:8px 0 16px;display:grid}.lessons-panel[data-view=rail] .card-head{border-bottom:0;padding:0}.lessons-panel[data-view=rail] .card-head h2,.lessons-panel[data-view=rail] .lessons-head-end .t-meta{display:none}.lessons-panel[data-view=rail] .lessons-head-end{margin:0}.lessons-panel[data-view=rail] .rail-label{writing-mode:vertical-rl;font-size:var(--fs-meta);color:var(--text-2);letter-spacing:.02em;font-weight:750;display:block}.lessons-panel[data-view=rail] .rail-label b{color:var(--text-3);margin-top:8px;font-weight:700;display:inline-block}.lessons-panel[data-view=overlay]{z-index:30;width:340px;max-height:calc(100vh - var(--topbar-h) - 40px);box-shadow:var(--shadow-lg);animation:pop-in var(--dur) var(--ease);position:absolute;top:0;right:0;overflow-y:auto}}.next-step{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;margin-top:16px;padding:16px 20px;display:flex}.next-step-text{gap:2px;min-width:0;display:grid}.next-step-text .t-small{color:var(--text-2)}.next-step-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}@media (max-width:760px){.next-step-actions,.next-step-actions .btn-primary{width:100%}.next-step-actions .btn-primary{justify-content:center}}.video{aspect-ratio:16/9;border-radius:var(--r-lg);color:#fff;box-shadow:var(--shadow-md);background:#071a2b;position:relative;overflow:hidden}.video>svg.poster{width:100%;height:100%;position:absolute;inset:0}.big-play{background:var(--brand-fill);width:72px;height:72px;color:var(--on-brand);cursor:pointer;box-shadow:0 0 0 8px color-mix(in srgb, var(--brand) 30%, transparent), 0 10px 30px #0006;transition:transform var(--dur) var(--ease);border:0;border-radius:50%;place-items:center;display:grid;position:absolute;top:36%;left:22%;transform:translate(-50%,-50%)}.big-play:hover{transform:translate(-50%,-50%)scale(1.05)}.big-play svg{width:28px;height:28px;margin-left:3px}.controls{background:linear-gradient(#0000,#040c14db);gap:8px;padding:28px 14px 10px;display:grid;position:absolute;bottom:0;left:0;right:0}.scrub{background:#ffffff3d;border-radius:2px;height:4px;position:relative}.scrub i{border-radius:inherit;background:var(--blue-300);width:44%;position:absolute;top:0;bottom:0;left:0}.scrub b{background:#fff;border-radius:50%;width:12px;height:12px;position:absolute;top:50%;left:44%;transform:translate(-50%,-50%);box-shadow:0 1px 3px #00000080}.scrub em{background:#040c14e6;width:2px;position:absolute;top:-1px;bottom:-1px}.ctrl-row{font-size:var(--fs-meta);font-variant-numeric:tabular-nums;align-items:center;gap:4px;display:flex}.ctrl-row .icon-btn{color:#fff;width:34px;height:34px}.ctrl-row .icon-btn:hover{color:#fff;background:#ffffff1f}.ctrl-row .icon-btn[aria-pressed=true]{background:#ffffff29}.ctrl-row .chapter{color:#ffffffd1;margin-left:8px}.ctrl-row .spacer{flex:1}.ctrl-row .speed{color:#fff;height:28px;font-size:var(--fs-micro);cursor:pointer;background:0 0;border:1px solid #ffffff4d;border-radius:6px;padding:0 8px;font-weight:800}.lesson-head{justify-content:space-between;align-items:flex-start;gap:24px;margin-top:24px;display:flex}.lesson-head .meta-list{margin-top:6px}.lesson-copy{max-width:66ch;color:var(--text-2);margin-top:14px;font-size:15.5px;line-height:1.65}.lesson-foot{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;margin-top:28px;padding-top:20px;display:flex}.lesson-done{justify-items:end;gap:6px;display:grid}.gate-hint{color:var(--text-2);text-align:right;margin:0}.reading-end{height:1px}.transcript{margin-top:20px}.transcript-body{font-size:var(--fs-small);color:var(--text-2);gap:10px;max-height:180px;padding:4px 20px 16px;display:grid;overflow:auto}.transcript-body p{grid-template-columns:44px 1fr;gap:12px;display:grid}.transcript-body time{font-variant-numeric:tabular-nums;color:var(--text-3);font-weight:700}.transcript-body .now{color:var(--text)}.transcript-body .now time{color:var(--brand-ink)}.pdf{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}.pdf-bar{border-bottom:1px solid var(--line);background:var(--surface);font-size:var(--fs-meta);align-items:center;gap:6px;padding:8px 10px;display:flex}.pdf-bar .file{color:var(--text);align-items:center;gap:8px;min-width:0;margin-right:auto;font-weight:750;display:inline-flex}.pdf-bar .file span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.pdf-bar .pager{color:var(--text-2);font-variant-numeric:tabular-nums;align-items:center;gap:4px;display:inline-flex}.pdf-bar .pager input{text-align:center;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:var(--surface);width:40px;height:30px;font-size:var(--fs-meta);font-weight:700}.pdf-bar .sep{background:var(--line);width:1px;height:20px;margin:0 4px}.pdf-body{background:var(--surface-3);grid-template-columns:116px minmax(0,1fr);height:640px;display:grid}.pdf-thumbs{border-right:1px solid 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