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0;border:none;min-height:44px;padding:4px 6px;font-weight:700;text-decoration:underline}.actions{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.choice-list{gap:12px;display:grid}.choice{text-align:left;border:2px solid var(--ink);border-radius:var(--radius);background:var(--card);width:100%;min-height:64px;font:inherit;color:var(--ink);cursor:pointer;align-items:center;gap:14px;padding:12px 18px;font-size:1.1rem;font-weight:700;display:flex}.choice:hover{background:var(--yellow-soft)}.choice[aria-pressed=true],.choice[aria-checked=true]{background:var(--yellow)}.choice small{color:var(--ink-2);font-weight:500;display:block}.choice[data-state=right]{background:var(--ok-soft);border-color:var(--ok)}.choice[data-state=wrong]{background:var(--bad-soft);border-color:var(--bad);text-decoration:line-through}.field{gap:6px;margin:14px 0;display:grid}.field label,.field .label{font-weight:800}.input,select.input,textarea.input{border:2px solid var(--ink);border-radius:var(--radius-s);width:100%;min-height:52px;font:inherit;background:var(--card);color:var(--ink);padding:10px 14px;font-size:1.05rem}textarea.input{resize:vertical;min-height:96px}.input-row{gap:8px;display:flex}.input-toggle{min-width:72px}.form-or{color:var(--muted);align-items:center;gap:12px;margin:16px 0;display:flex}.form-or:before,.form-or:after{content:"";border-top:1px solid var(--line);flex:1}.form-google{width:100%}.form-aside{border-top:1px dashed var(--line);margin-top:20px;padding-top:16px}.segmented{border:2px solid var(--ink);border-radius:var(--radius-s);display:inline-flex;overflow:hidden}.segmented button{border:none;border-right:2px solid var(--ink);background:var(--card);min-height:48px;font:inherit;cursor:pointer;padding:6px 16px;font-weight:700}.segmented button:last-child{border-right:none}.segmented button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.card{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:20px}.card-soft{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.card h2,.card h3{margin-top:0}.notice{background:var(--yellow-soft);border:2px solid var(--ink);border-radius:var(--radius);padding:14px 18px}.notice.info{background:var(--blue-soft)}.notice.warn{background:var(--warn-soft);border-color:var(--warn)}.notice.ok{background:var(--ok-soft);border-color:var(--ok)}.notice.bad{background:var(--bad-soft);border-color:var(--bad)}.notice>:last-child{margin-bottom:0}.note-inline{color:var(--ink-2);font-size:.9rem}.badge{border:1.5px solid var(--ink);background:var(--card);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:.78rem;font-weight:800;display:inline-flex}.badge-star{background:var(--yellow)}.badge-free{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.badge-done{background:var(--ok-soft);border-color:var(--ok)}.text-link{font-weight:700}.foot-note{color:var(--muted);font-size:.88rem}.legal p,.legal li{color:var(--ink-2)}.legal-date{color:var(--muted);font-size:.85rem}.setting{border-top:1px solid var(--line);padding:18px 0}.setting-title{margin-bottom:8px;font-weight:800}details.more{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--card);padding:0 14px}details.more>summary{cursor:pointer;align-items:center;min-height:48px;font-weight:800;display:flex}details.more[open]>summary{border-bottom:1px solid var(--line);margin-bottom:10px}.today-hero{background:var(--yellow);border:2px solid var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.today-hero h1{font-size:clamp(1.5rem,4vw,2rem)}.stats{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:12px;display:grid}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.stat b{font-size:1.5rem;line-height:1.2;display:block}.stat span{color:var(--ink-2);font-size:.88rem}.meter{background:var(--card-2);border:1px solid var(--line);border-radius:999px;height:10px;overflow:hidden}.meter>i{background:var(--navy);height:100%;display:block}.qcard{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(16px,4vw,28px)}.qcard-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.stages{grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:16px;display:grid}.stages li{text-align:center;border-radius:var(--radius-s);background:var(--card-2);color:var(--ink-2);padding:6px 2px;font-size:.78rem;font-weight:800;list-style:none}.stages li[data-on=done]{background:var(--ok-soft);color:var(--ok)}.stages li[data-on=now]{background:var(--yellow);color:var(--ink)}.stages{margin-top:0;padding:0}.q-en{margin:6px 0 10px;font-size:clamp(1.35rem,3.6vw,1.75rem);font-weight:800;line-height:1.4}.q-zh{color:var(--ink-2);margin-bottom:16px;font-size:1.1rem}.label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:500}.answer-box{background:var(--yellow-soft);border:2px solid var(--ink);border-radius:var(--radius);margin:12px 0;padding:14px 18px}.answer-en{font-size:clamp(1.3rem,3.4vw,1.6rem);font-weight:800;line-height:1.4}.answer-zh{color:var(--ink-2)}.answer-list{margin:0;padding-left:1.2em}.answer-list li{margin:4px 0}.vocab{flex-wrap:wrap;gap:8px;padding:0;list-style:none;display:flex}.vocab li{border:1.5px solid var(--line);border-radius:var(--radius-s);background:var(--card);padding:6px 10px}.vocab b{margin-right:6px}.mistakes{padding-left:1.2em}.listen-group{flex-wrap:wrap;align-items:center;gap:8px;display:inline-flex}.listen{border:2px solid var(--ink);background:var(--blue);min-height:52px;color:var(--ink);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-weight:800;display:inline-flex}.listen[data-playing=true]{background:var(--ink);color:var(--paper)}.listen[data-off=true]{opacity:.5}.listen-icon{justify-content:center;min-width:52px;padding:8px}.listen-big{min-height:64px;padding:10px 22px;font-size:1.15rem}.hidden-text{filter:blur(7px);-webkit-user-select:none;user-select:none}.mic{border:3px solid var(--ink);background:var(--pink);cursor:pointer;width:96px;height:96px;font:inherit;box-shadow:var(--shadow);border-radius:50%;place-items:center;font-weight:800;display:grid}.mic[data-on=true]{background:var(--bad);color:#fff;animation:1.2s infinite pulse}@keyframes pulse{0%,to{box-shadow:0 0 #a8321f73}50%{box-shadow:0 0 0 14px #a8321f00}}@media (prefers-reduced-motion:reduce){.mic[data-on=true]{animation:none}.btn{transition:none}}.speak-area{text-align:center;justify-items:center;gap:12px;padding:12px 0;display:grid}.heard{width:100%}.feedback{border:2px solid var(--ink);border-radius:var(--radius);margin-top:14px;padding:14px 18px}.feedback[data-status=correct]{background:var(--ok-soft);border-color:var(--ok)}.feedback[data-status=incomplete],.feedback[data-status=uncertain],.feedback[data-status=unavailable]{background:var(--warn-soft);border-color:var(--warn)}.feedback[data-status=incorrect]{background:var(--bad-soft);border-color:var(--bad)}.feedback h3{margin-bottom:4px}.rate{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.rate .btn{padding:8px;font-size:1rem}.progress-line{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-weight:700;display:flex}.dynamic{border:2px dashed var(--navy);border-radius:var(--radius);background:var(--navy-soft);margin:12px 0;padding:14px 16px}.dynamic ul{margin:6px 0}.qlist{gap:10px;margin:0;padding:0;list-style:none;display:grid}.qrow{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);grid-template-columns:3.2rem 1fr auto;align-items:start;gap:12px;padding:14px;text-decoration:none;display:grid}.qrow:hover{border-color:var(--ink)}.qrow .num{font-family:var(--font-mono);color:var(--muted);font-size:.95rem;font-weight:500}.qrow .qt{font-weight:800}.qrow .qz{color:var(--ink-2);font-size:.95rem}.level-dot{border:2px solid var(--ink);border-radius:50%;width:14px;height:14px;display:inline-block}.level-dot[data-level=seen]{background:var(--blue-soft)}.level-dot[data-level=recognized]{background:var(--blue)}.level-dot[data-level=recalled]{background:var(--ok-soft);border-color:var(--ok)}.level-dot[data-level=mastered]{background:var(--ok);border-color:var(--ok)}.locked{text-align:center;border:2px dashed var(--ink);border-radius:var(--radius);background:var(--card);padding:24px}.locked-icon{font-size:2rem}.plan{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:22px}.plan-complete{background:var(--yellow-soft);box-shadow:var(--shadow)}.plan-name{font-size:1.2rem;font-weight:900}.plan-price{font-size:2.2rem;font-weight:900;line-height:1.1}.ticks{margin:12px 0;padding:0;list-style:none}.ticks li{margin:6px 0;padding-left:1.6em;position:relative}.ticks li:before{content:"✓";color:var(--ok);font-weight:900;position:absolute;left:0}.tick-head{margin-top:12px;font-weight:800}.compare{border-collapse:collapse;background:var(--card);width:100%}.compare th,.compare td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:10px}.compare th{background:var(--card-2)}.table-wrap{position:relative;overflow-x:auto}table.plain{border-collapse:collapse;background:var(--card);width:100%}table.plain th,table.plain td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 12px}table.plain th{background:var(--card-2)}.foot{border-top:2px solid var(--ink);background:var(--card-2);padding:28px var(--gut) 110px;font-size:.92rem}.foot-grid{max-width:var(--max);gap:18px;margin:0 auto;display:grid}.foot-brand{font-weight:900}.foot a{color:var(--ink)}.foot ul{flex-wrap:wrap;gap:6px 18px;margin:0;padding:0;list-style:none;display:flex}@media (min-width:1150px){.foot{padding-bottom:32px}}.racco-strip{align-items:center;gap:14px;display:flex}.racco-strip img{width:72px}.racco-md{width:140px}.hero{align-items:center;gap:24px;display:grid}@media (min-width:860px){.hero{grid-template-columns:1.4fr 1fr}}.hero h1{font-size:clamp(1.9rem,5vw,2.8rem)}@media (min-width:700px){.hero-cta{width:auto}}.section{margin-top:48px}.steps-4{counter-reset:s;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;padding:0;list-style:none;display:grid}.steps-4 li{counter-increment:s;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:16px}.steps-4 li:before{content:counter(s);background:var(--yellow);border:2px solid var(--ink);border-radius:50%;place-items:center;width:34px;height:34px;margin-bottom:8px;font-weight:900;display:inline-grid}