.counter-practice{--counter-ease: cubic-bezier(.2, 0, 0, 1);margin-top:24px}.counter-practice__intro{max-width:68ch;color:var(--rl-text-secondary);font-size:18px;line-height:1.65}.counter-board{margin-top:32px;color:var(--rl-text-primary)}.counter-board__tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-block:1px solid var(--rl-border-medium);gap:16px}.counter-board__tab{display:flex;align-items:center;gap:10px;min-height:80px;padding:16px 0;position:relative;color:var(--rl-text-secondary);text-align:left;font-size:14px;line-height:1.4;font-weight:500;transition:color .15s var(--counter-ease)}.counter-board__tab:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--rl-accent-base);opacity:0;transition:opacity .15s var(--counter-ease)}.counter-board__tab-number{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;border:1px solid var(--rl-border-medium);border-radius:50%;font-size:12px;font-weight:600}.counter-board__tab[aria-selected=true]{color:var(--rl-text-primary)}.counter-board__tab[aria-selected=true]:after{opacity:1}.counter-board__tab[aria-selected=true] .counter-board__tab-number{background:var(--rl-text-primary);border-color:var(--rl-text-primary);color:var(--rl-bg-base)}.counter-board__tab:focus-visible,.counter-board__panel:focus-visible{outline:2px solid var(--rl-accent-ink);outline-offset:4px;border-radius:4px}.counter-board__panel{padding-block:32px 0}.counter-board__stage{margin-bottom:24px}.counter-board__stage-name{font-size:24px;font-weight:600;letter-spacing:-.025em;line-height:1.3}.counter-board__comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;max-width:800px;margin-inline:auto;align-items:start}.counter-board__view{min-width:0}.counter-board__view-heading{min-height:100px}.counter-board__view-heading h3{font-size:18px;font-weight:600;margin-bottom:8px}.counter-board__view-heading p{font-size:15px;color:var(--rl-text-secondary);line-height:1.6}.counter-board__screen{max-width:280px;margin-inline:auto;overflow:hidden;border-radius:var(--rl-radius-xl);border:1px solid var(--rl-border-medium);background:var(--rl-bg-base);box-shadow:0 4px 16px -8px #171b2426}.counter-board__screen img{display:block;width:100%;height:auto}.counter-board__view figcaption{max-width:36ch;margin:16px auto 0;color:var(--rl-text-secondary);font-size:13px;line-height:1.6;text-align:center}.counter-board__demo-note{margin-top:28px;color:var(--rl-text-tertiary);font-size:13px;line-height:1.6}.counter-board__instruction{display:flex;align-items:flex-start;gap:10px;margin-top:16px;color:var(--rl-text-secondary);font-size:15px;line-height:1.6}.counter-board__instruction svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;color:var(--rl-accent-ink)}.counter-practice__follow-through{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:30px}.counter-practice__explain{color:var(--rl-text-primary);font-size:18px;font-weight:500;line-height:1.6}.counter-practice__pass{border-left:2px solid var(--rl-border-medium);padding-left:20px;color:var(--rl-text-secondary);font-size:15px;line-height:1.65}.counter-practice__foot{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:40px;padding-top:24px;margin-top:24px;border-top:1px solid var(--rl-border-subtle)}.counter-practice__foot>p{max-width:68ch;color:var(--rl-text-secondary);font-size:13px;line-height:1.7}.counter-practice__foot>a{display:inline-flex;align-items:center;gap:10px;font-size:14px;line-height:1.6;justify-self:start}.counter-practice__foot>a svg{width:16px;height:16px;flex-shrink:0;transition:transform .15s var(--counter-ease)}.counter-board--keyboard *,.counter-board--keyboard *:before,.counter-board--keyboard *:after{transition:none!important}@media(hover:hover)and (pointer:fine){.counter-board__tab:not([aria-selected=true]):hover{color:var(--rl-text-primary)}.counter-practice__foot>a:hover svg{transform:translate(3px)}}@media(max-width:767px){.counter-board__tabs{display:flex;gap:24px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;scrollbar-color:var(--rl-border-medium) transparent;scroll-snap-type:x proximity}.counter-board__tab{flex:0 0 auto;min-height:64px;padding:16px 2px;scroll-snap-align:start}.counter-board__view-heading{min-height:0;margin-bottom:20px}.counter-board__comparison{grid-template-columns:minmax(0,1fr);gap:32px}.counter-board__screen{max-width:280px}.counter-practice__follow-through,.counter-practice__foot{grid-template-columns:1fr;gap:20px}}@media(prefers-reduced-motion:reduce){.counter-board *,.counter-board *:after,.counter-practice__foot>a svg{transition:none!important}}@media print{.counter-board__tabs{display:none}.counter-board__screen{box-shadow:none}.counter-board__view{break-inside:avoid}}