.cd-root{--cd-ink:var(--mira-navy-ink,#0f2540);--cd-navy:var(--mira-navy,#14336e);--cd-blue:var(--mira-blue,#2563eb);--cd-blue-br:var(--mira-blue-bright,#5b8def);--cd-amber:var(--mira-amber,#f5a623);--cd-green:var(--mira-green,#16a34a);--cd-red:var(--mira-red,#e0494b);--cd-blue-50:#eef4fe;--cd-blue-100:#dce8fb;--cd-blue-200:#c2d6f7;--cd-slate-50:#f7f9fc;--cd-slate-100:#eff3f9;--cd-slate-200:#e2e8f0;--cd-slate-300:#cbd5e1;--cd-fg2:#475569;--cd-fg3:#94a3b8;--cd-flow:linear-gradient(135deg,#5b8def,#14336e);--cd-flow-text:linear-gradient(120deg,#2563eb,#14336e);--cd-serif:Georgia,"Times New Roman",serif;--cd-shadow:0 1px 2px rgba(15,37,64,.05),0 8px 24px rgba(15,37,64,.07);color:var(--cd-ink);font-family:var(--font-sans,"Be Vietnam Pro",system-ui,sans-serif);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.6}.cd-root *,.cd-root :after,.cd-root :before{box-sizing:border-box}.cd-root button{font-family:inherit;cursor:pointer}.cd-root svg{flex:none}.cd-browse{max-width:1040px;margin:0 auto;padding:36px 24px 80px}.cd-hero h1{font-size:30px;font-weight:800;margin:0 0 6px;letter-spacing:-.01em}.cd-hero h1 .cd-grad{background:var(--cd-flow-text);-webkit-background-clip:text;background-clip:text;color:transparent}.cd-hero p{margin:0;color:var(--cd-fg2);max-width:62ch}.cd-skill-tabs{display:flex;gap:8px;margin:26px 0 14px;flex-wrap:wrap}.cd-skill-tab{border:1px solid var(--cd-slate-300);background:#fff;color:var(--cd-fg2);border-radius:99px;padding:7px 16px;font-size:14px;font-weight:600}.cd-skill-tab .cd-n{font-size:12px;color:var(--cd-fg3);font-weight:500;margin-left:4px}.cd-skill-tab.on{background:var(--cd-navy);border-color:var(--cd-navy);color:#fff}.cd-skill-tab.on .cd-n{color:var(--cd-blue-br)}.cd-tag-row{display:flex;gap:8px;margin:0 0 20px;align-items:center;font-size:12.5px;color:var(--cd-fg3);flex-wrap:wrap}.cd-tag-pill{border:1px solid var(--cd-slate-300);background:#fff;color:var(--cd-fg2);border-radius:99px;padding:4px 12px;font-size:12.5px;font-weight:600}.cd-tag-pill.on{background:var(--cd-blue-50);border-color:var(--cd-blue-200);color:var(--cd-blue)}.cd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:16px;gap:16px}.cd-empty{grid-column:1/-1;background:#fff;border:1px dashed var(--cd-slate-300);border-radius:14px;padding:28px 20px;text-align:center;color:var(--cd-fg3);font-size:14px}.cd-card{background:#fff;border:1px solid var(--cd-slate-200);border-radius:14px;padding:18px 18px 16px;box-shadow:var(--cd-shadow);display:flex;flex-direction:column;gap:10px;position:relative;color:inherit;text-decoration:none}.cd-card:hover{border-color:var(--cd-blue-br);box-shadow:0 2px 4px rgba(15,37,64,.06),0 12px 32px rgba(37,99,235,.14)}.cd-card-cover{width:calc(100% + 36px);margin:-18px -18px 0;aspect-ratio:16/9;object-fit:cover;border-radius:13px 13px 0 0;border-bottom:1px solid var(--cd-slate-100);background:var(--cd-blue-50)}.cd-go{position:absolute;inset:0;border-radius:14px;z-index:1}.cd-card-slide-btn{position:relative;z-index:2;display:inline-flex;align-items:center;gap:4px;margin-left:auto;border:1px solid var(--cd-blue-200);background:var(--cd-blue-50);color:var(--cd-blue);border-radius:99px;padding:3px 10px;font-size:11.5px;font-weight:700;text-decoration:none}.cd-card-slide-btn:hover{background:var(--cd-blue-100)}.cd-card-chips{display:flex;gap:6px;flex-wrap:wrap}.cd-chip{font-size:11px;font-weight:700;border-radius:99px;padding:3px 10px;letter-spacing:.03em;display:inline-flex;align-items:center;gap:4px}.cd-chip-pro{background:var(--cd-blue-50);color:var(--cd-blue)}.cd-chip-wizard{background:#fdf3e3;color:#b47812}.cd-chip-tag-pp{background:var(--cd-blue-50);color:var(--cd-navy);border:1px solid var(--cd-blue-100)}.cd-chip-tag-kt{background:var(--cd-slate-100);color:var(--cd-fg2);border:1px solid var(--cd-slate-200)}.cd-card h3{margin:0;font-size:16px;font-weight:700;line-height:1.35}.cd-card-desc{font-size:13px;color:var(--cd-fg2);margin:-10px 0 0;max-height:0;opacity:0;overflow:hidden;transition:max-height .28s ease,opacity .28s ease,margin-top .28s ease}@media (hover:hover){.cd-card:focus-within .cd-card-desc,.cd-card:hover .cd-card-desc{max-height:90px;opacity:1;margin-top:0}}.cd-card-meta{display:flex;gap:14px;font-size:12px;color:var(--cd-fg3);margin-top:auto;align-items:center;flex-wrap:wrap}.cd-card-meta .cd-start{color:var(--cd-green);font-weight:700}.cd-card-meta .cd-doing{color:var(--cd-blue);font-weight:700}.cd-card-meta .cd-done-label{color:var(--cd-green);font-weight:700;display:inline-flex;align-items:center;gap:4px}.cd-player{min-height:100vh;background:var(--cd-slate-50)}.cd-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:60;background:var(--cd-ink);color:#fff;padding:12px 24px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.cd-topbar-back{display:inline-flex;align-items:center;gap:6px;color:#9db4d6;text-decoration:none;font-size:13px;font-weight:600}.cd-topbar-back:hover{color:#fff}.cd-topbar-crumb{font-size:13px;color:#9db4d6;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cd-chip-mira{display:inline-flex;align-items:center;gap:6px;background:rgba(91,141,239,.18);border:1px solid rgba(91,141,239,.5);color:#cfe0fb;font-size:12px;font-weight:600;border-radius:99px;padding:4px 12px;white-space:nowrap}.cd-topbar-right{margin-left:auto;display:flex;gap:12px;align-items:center;font-size:13px;color:#9db4d6}.cd-clock{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.cd-listen-toggle{display:inline-flex;align-items:center;gap:6px;border:1px solid hsla(0,0%,100%,.25);background:transparent;color:#9db4d6;border-radius:99px;padding:4px 12px;font-size:12px;font-weight:600;cursor:default}.cd-listen-toggle .cd-soon{font-size:10px;background:rgba(245,166,35,.2);color:var(--cd-amber);border-radius:99px;padding:1px 7px;font-weight:700}.cd-hero-cover{display:block;width:100%;height:clamp(150px,24vw,240px);object-fit:cover;object-position:center;border-bottom:1px solid var(--cd-slate-200);background:var(--cd-blue-50)}.cd-stage{max-width:760px;margin:0 auto;padding:22px 20px 140px}.cd-progress{position:-webkit-sticky;position:sticky;top:52px;z-index:40;background:linear-gradient(var(--cd-slate-50) 78%,transparent);padding:10px 0 16px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}.cd-pstep{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--cd-fg3);background:#fff;border:1px solid var(--cd-slate-200);border-radius:99px;padding:4px 11px;transition:all .3s;cursor:default}.cd-pstep .cd-dot{width:7px;height:7px;border-radius:99px;background:var(--cd-slate-300)}.cd-pstep.now{color:var(--cd-navy);border-color:var(--cd-blue-br);box-shadow:0 0 0 3px var(--cd-blue-100)}.cd-pstep.now .cd-dot{background:var(--cd-blue)}.cd-pstep.done{color:var(--cd-green);border-color:#bbe5c8}.cd-pstep.done .cd-dot{background:var(--cd-green)}.cd-pstep.link{cursor:pointer;color:var(--cd-navy)}.cd-pstep.link:hover{border-color:var(--cd-blue);background:var(--cd-blue-50)}.cd-flash{outline:2px solid var(--cd-blue-br);outline-offset:3px;border-radius:16px;transition:outline-color .8s}.cd-flash.cd-flash-off{outline-color:transparent}.cd-flow{display:flex;flex-direction:column;gap:14px}.cd-mrow{display:flex;gap:10px;align-items:flex-start;animation:cd-rise .35s ease both}.cd-avatar{width:32px;height:32px;border-radius:99px;background:var(--cd-flow);display:grid;place-items:center;color:#fff;margin-top:2px}.cd-mbubble{background:#fff;border:1px solid var(--cd-blue-100);border-radius:4px 16px 16px 16px;padding:12px 16px;max-width:60ch;box-shadow:var(--cd-shadow);min-width:0}.cd-mbubble .cd-who{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cd-blue);margin-bottom:3px;display:flex;align-items:center;gap:5px}.cd-mbubble .cd-spk{margin-left:auto;border:0;background:transparent;color:var(--cd-slate-300);padding:0 0 0 14px;cursor:default}.cd-mbubble p{margin:0;color:#26364b}.cd-mbubble p+p{margin-top:8px}.cd-mbubble b{color:var(--cd-ink)}.cd-urow{display:flex;justify-content:flex-end;animation:cd-rise .3s ease both}.cd-ububble{background:var(--cd-navy);color:#fff;border-radius:16px 4px 16px 16px;padding:9px 16px;font-size:14px;font-weight:500;max-width:48ch}.cd-opts{display:flex;flex-direction:column;gap:8px;padding-left:42px;animation:cd-rise .35s ease both}.cd-opt{display:flex;align-items:center;gap:10px;text-align:left;background:#fff;border:1.5px solid var(--cd-slate-300);border-radius:12px;padding:11px 14px;font-size:14px;font-weight:500;color:var(--cd-ink);transition:all .15s}.cd-opt .cd-k{flex:none;width:22px;height:22px;border-radius:7px;background:var(--cd-slate-100);color:var(--cd-fg2);font-size:12px;font-weight:700;display:grid;place-items:center}.cd-opt:hover{border-color:var(--cd-blue);background:var(--cd-blue-50)}.cd-opt:hover .cd-k{background:var(--cd-blue);color:#fff}.cd-opt:disabled{opacity:.45;pointer-events:none}.cd-slide{margin-left:42px;background:#fff;border:1px solid var(--cd-slate-200);border-radius:16px;box-shadow:var(--cd-shadow);overflow:hidden;animation:cd-rise .4s ease both;scroll-margin-top:110px}.cd-shead{background:var(--cd-flow);color:#fff;padding:13px 18px;display:flex;align-items:center;gap:10px}.cd-shead .cd-bnum{flex:none;width:28px;height:28px;border-radius:9px;background:hsla(0,0%,100%,.18);border:1px solid hsla(0,0%,100%,.35);display:grid;place-items:center;font-weight:800;font-size:14px}.cd-shead h3{margin:0;font-size:15.5px;font-weight:700}.cd-sbody{padding:16px 18px}.cd-sbody p{margin:0 0 10px;font-size:14px;color:#26364b}.cd-sbody p:last-child{margin-bottom:0}.cd-root .cd-ex-vi{font-size:17px;background:var(--cd-slate-50);border-left:3px solid var(--cd-amber)}.cd-root .cd-ex-en,.cd-root .cd-ex-vi{font-family:var(--cd-serif);line-height:1.7;border-radius:0 10px 10px 0;padding:12px 16px;margin:10px 0}.cd-root .cd-ex-en{font-size:16.5px;background:var(--cd-blue-50);border-left:3px solid var(--cd-blue)}.cd-root .cd-ex-bad{background:#fdf0f0;border-left-color:var(--cd-red)}.cd-root .hl-s{background:var(--cd-blue-100)}.cd-root .hl-s,.cd-root .hl-v{border-radius:4px;padding:0 3px;font-weight:600}.cd-root .hl-v{background:#fbe9c6}.cd-root .hl-g{background:#dcf3e4;border-radius:4px;padding:0 3px}.cd-root .cd-warn{background:#fdf0f0;border:1px solid #f5cdcd;border-radius:10px;color:#8c3a3b}.cd-root .cd-tip,.cd-root .cd-warn{display:flex;gap:8px;padding:10px 12px;font-size:13px;margin:10px 0}.cd-root .cd-tip{background:#fdf6e8;border:1px solid #f3dfb4;border-radius:10px;color:#7a5a17}.cd-root .cd-tip>b:first-child,.cd-root .cd-warn>b:first-child{font-weight:800;flex:none}.cd-pickrow{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 2px}.cd-pick{border:1.5px solid var(--cd-slate-300);background:#fff;border-radius:10px;padding:7px 14px;font-size:14.5px;font-family:var(--cd-serif)}.cd-pick:hover{border-color:var(--cd-blue)}.cd-pick.ok{border-color:var(--cd-green);background:#e7f6ec;color:var(--cd-green);font-weight:700}.cd-pick.no{border-color:var(--cd-red);background:#fdf0f0;color:var(--cd-red)}.cd-pick:disabled{pointer-events:none}.cd-quiz .cd-qq{font-weight:700;margin:0 0 10px;font-size:14.5px}.cd-qopts{display:flex;flex-direction:column;gap:7px}.cd-qopt{text-align:left;border:1.5px solid var(--cd-slate-300);background:#fff;border-radius:10px;padding:9px 13px;font-size:14px}.cd-qopt:hover{border-color:var(--cd-blue)}.cd-qopt.ok{border-color:var(--cd-green);background:#e7f6ec;font-weight:600}.cd-qopt.no{border-color:var(--cd-red);background:#fdf0f0}.cd-qopt:disabled{pointer-events:none}.cd-qfb{font-size:13px;margin-top:9px;padding:9px 12px;border-radius:9px}.cd-qfb.ok{background:#e7f6ec;color:#0e6e31}.cd-qfb.no{background:#fdf0f0;color:#8c3a3b}.cd-donecard{margin-left:42px;background:var(--cd-flow);color:#fff;border-radius:18px;padding:26px;text-align:center;animation:cd-rise .45s ease both}.cd-donecard h3{margin:8px 0 6px;font-size:21px;font-weight:800}.cd-donecard p{margin:0 auto 18px;color:#dbe6f7;font-size:14px;max-width:44ch}.cd-donecard .cd-xp{display:inline-flex;gap:6px;align-items:center;background:hsla(0,0%,100%,.14);border:1px solid hsla(0,0%,100%,.3);border-radius:99px;padding:5px 14px;font-size:13px;font-weight:700}.cd-donecard .cd-ctas{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.cd-btn{border-radius:11px;padding:11px 20px;font-size:14px;font-weight:700;border:0;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}.cd-btn-amber{background:var(--cd-amber);color:var(--cd-ink)}.cd-btn-ghost{background:hsla(0,0%,100%,.12);border:1px solid hsla(0,0%,100%,.4);color:#fff}.cd-btn-blue{background:var(--cd-blue);color:#fff}.cd-btn-line{background:#fff;border:1.5px solid var(--cd-slate-300);color:var(--cd-ink)}.cd-cur{display:inline-block;width:2px;height:1em;background:var(--cd-blue);vertical-align:-2px;animation:cd-blink .8s step-end infinite}@keyframes cd-blink{50%{opacity:0}}@keyframes cd-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.cd-gate{max-width:560px;margin:60px auto;padding:0 20px}.cd-gate-card{background:#fff;border:1px solid var(--cd-slate-200);border-radius:18px;box-shadow:var(--cd-shadow);padding:30px 28px;text-align:center}.cd-gate-card .cd-gate-ic{width:46px;height:46px;border-radius:14px;background:var(--cd-blue-50);color:var(--cd-blue);display:grid;place-items:center;margin:0 auto 14px}.cd-gate-card h2{margin:0 0 8px;font-size:20px;font-weight:800}.cd-gate-card p{margin:0 0 18px;color:var(--cd-fg2);font-size:14px}.cd-gate-ctas{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.cd-deck{position:fixed;inset:0;z-index:100;background:#fff}.cd-deck-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}.cd-deck-bg .cd-blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}.cd-deck-bg .cd-b1{width:520px;height:520px;background:var(--cd-blue-100);top:-180px;right:-140px}.cd-deck-bg .cd-b2{width:420px;height:420px;background:#fdf3e3;bottom:-160px;left:-120px}.cd-deck-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:10px;padding:16px 22px;z-index:5}.cd-deck-top .cd-dtitle{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cd-fg3)}.cd-deck-close{margin-left:auto;border:1px solid var(--cd-slate-300);background:#fff;color:var(--cd-fg2);border-radius:99px;padding:6px 16px;font-size:13px;font-weight:600}.cd-deck-close:hover{border-color:var(--cd-blue);color:var(--cd-blue)}.cd-deck-slide{position:absolute;inset:0;display:grid;place-items:center;padding:80px 28px 110px;opacity:0;transform:translateX(48px);transition:opacity .45s ease,transform .45s ease;pointer-events:none;overflow-y:auto}.cd-deck-slide.on{opacity:1;transform:none;pointer-events:auto}.cd-deck-slide.past{transform:translateX(-48px)}.cd-ds-inner{display:grid;grid-template-columns:1.1fr .9fr;grid-gap:48px;gap:48px;align-items:center;max-width:880px;width:100%}.cd-ds-inner.center{grid-template-columns:1fr;text-align:center;max-width:680px}.cd-ds-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cd-blue);margin-bottom:14px}.cd-ds-eyebrow .cd-bar{width:26px;height:3px;border-radius:2px;background:var(--cd-amber)}.cd-ds-inner.center .cd-ds-eyebrow{justify-content:center}.cd-ds-title{font-size:clamp(26px,4.4vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.015em;margin:0 0 14px;text-wrap:balance}.cd-ds-title .cd-grad{background:var(--cd-flow-text);-webkit-background-clip:text;background-clip:text;color:transparent}.cd-ds-line{font-size:clamp(15px,1.8vw,18px);color:var(--cd-fg2);margin:0;max-width:42ch}.cd-ds-inner.center .cd-ds-line{margin:0 auto}.cd-ds-ex{font-family:var(--cd-serif);font-size:clamp(14px,1.7vw,17px);color:var(--cd-navy);background:var(--cd-blue-50);border-radius:12px;padding:12px 18px;margin:18px 0 0;display:inline-block}.cd-ds-art{display:grid;place-items:center}.cd-ds-art img,.cd-ds-art svg{width:100%;max-width:320px;height:auto}.cd-ds-check{list-style:none;margin:22px auto 0;padding:0;display:flex;width:-moz-fit-content;width:fit-content;flex-direction:column;gap:10px;text-align:left}.cd-ds-check li{display:flex;gap:10px;align-items:center;font-size:clamp(15px,1.9vw,18px);font-weight:600;color:var(--cd-ink)}.cd-ds-check .cd-cbox{width:24px;height:24px;border-radius:8px;background:#e7f6ec;color:var(--cd-green);display:grid;place-items:center;flex:none}.cd-deck-slide .cd-an{opacity:0;transform:translateY(14px)}.cd-deck-slide.on .cd-an{animation:cd-dsrise .5s ease forwards}.cd-deck-slide.on .cd-d1{animation-delay:.05s}.cd-deck-slide.on .cd-d2{animation-delay:.16s}.cd-deck-slide.on .cd-d3{animation-delay:.27s}.cd-deck-slide.on .cd-d4{animation-delay:.38s}@keyframes cd-dsrise{to{opacity:1;transform:none}}.cd-deck-nav{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:18px;padding:20px;z-index:5}.cd-dk-arrow{width:42px;height:42px;border-radius:99px;border:1px solid var(--cd-slate-300);background:#fff;color:var(--cd-ink);display:grid;place-items:center}.cd-dk-arrow:hover{border-color:var(--cd-blue);color:var(--cd-blue)}.cd-dk-arrow:disabled{opacity:.35;pointer-events:none}.cd-dk-dots{display:flex;gap:7px}.cd-dk-dot{width:8px;height:8px;border-radius:99px;background:var(--cd-slate-300);border:0;padding:0;transition:all .3s}.cd-dk-dot.on{background:var(--cd-blue);width:22px}.cd-dk-count{font-size:12px;color:var(--cd-fg3);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;min-width:38px}.cd-deck-cta{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}@media (prefers-reduced-motion:reduce){.cd-deck *,.cd-root *{animation:none!important;transition:none!important}.cd-deck-slide{transform:none}.cd-deck-slide .cd-an{opacity:1;transform:none}}@media (max-width:720px){.cd-donecard,.cd-opts,.cd-slide{margin-left:0}.cd-topbar{padding:10px 14px;gap:10px}.cd-topbar-crumb{display:none}.cd-ds-inner{grid-template-columns:1fr;gap:22px;text-align:center}.cd-ds-line{margin:0 auto}.cd-ds-eyebrow{justify-content:center}.cd-ds-art img,.cd-ds-art svg{max-width:220px}}