.c2-contrast{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}.c2-contrast article{padding:22px;border:1px solid var(--line);border-radius:10px;background:var(--card)}.c2-contrast span{font-size:11px;color:var(--sub)}.c2-contrast h3{font-size:20px;margin:8px 0 12px}.c2-contrast p{font-size:14px;line-height:1.9;margin:0}.c2-mistake{padding:18px 22px;margin:24px 0;border-left:3px solid var(--accent);background:var(--accent-soft)}.c2-mistake b{font-size:13px;color:var(--accent-deep)}.c2-mistake p{margin:8px 0 0}.c2-replay{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:35px}.c2-controls{display:flex;flex-wrap:wrap;gap:8px}.c2-controls button{border:1px solid var(--line);background:var(--bg);color:var(--text);padding:9px 13px;border-radius:6px}.c2-controls [data-c2-play]{background:var(--accent);color:var(--card)}.c2-controls span{flex-basis:100%;font-size:12px;color:var(--sub);margin-top:8px}.c2-frame{min-height:210px;padding-top:24px}.c2-frame h3{font-size:21px;line-height:1.6;margin:8px 0 15px}.c2-frame p{line-height:1.9}.c2-step{color:var(--accent-deep);font-size:12px}.c2-transcript article{border-top:1px solid var(--line);padding:20px 0}.c2-transcript p{line-height:1.9}.c2-history-purpose{font-size:13px;color:var(--sub)}.c2-review{padding-left:24px}.c2-review li{margin:22px 0}.c2-review p{line-height:1.9}.c2-pager{display:flex;justify-content:space-between;gap:15px;margin:26px 0}@media(max-width:600px){.c2-contrast{grid-template-columns:1fr;gap:10px}.c2-replay{padding:18px}.c2-frame{min-height:270px}}
.c2-transfer{margin:24px 0;padding:24px;background:var(--accent-soft);border-left:3px solid var(--accent)}.c2-transfer>span{font-size:12px;color:var(--accent-deep)}.c2-transfer h3{font-size:21px;line-height:1.6;margin:12px 0}.c2-transfer p{line-height:1.95}