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chip-pop{0%{opacity:0;transform:scale(.5)}56%{opacity:1;transform:scale(1.1)}to{transform:scale(1)}}.you .chip{animation:chip-pop .42s var(--ease);color:var(--good);white-space:nowrap;background:var(--good-soft);border-radius:8px;padding:3px 10px;font-size:13px;font-weight:700}.you .chip.bad{color:var(--bad);background:var(--bad-soft)}.col-order{min-height:100%;padding-bottom:0}.compose{flex-direction:column;flex:1;width:100%;max-width:600px;min-height:calc(100dvh - 188px);margin:0 auto;display:flex;position:relative}.compose:before{content:"";pointer-events:none;z-index:-1;background:radial-gradient(60% 55% at 50% 50%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 72%);filter:blur(8px);width:min(760px,92%);height:420px;position:absolute;top:42%;left:50%;transform:translate(-50%,-50%)}.cmp-top{padding-top:7vh}.cmp-row{align-items:flex-start;gap:14px;display:flex}.cmp-ava{background:var(--accent);color:#1b1b1b;width:48px;height:48px;font-family:var(--f-en);box-shadow:0 4px 0 var(--accent-deep);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:24px;font-weight:700;display:flex}.cmp-bubble{background:var(--surface);border:1px solid var(--hair-2);box-shadow:var(--shadow);border-radius:8px 22px 22px;max-width:470px;padding:22px 26px}.cmp-kick{color:var(--ink-3);margin-bottom:8px;font-size:13px}.cmp-kick b{color:var(--accent-deep);font-weight:700}.cmp-greet{font-family:var(--f-en);letter-spacing:-.015em;margin-bottom:10px;font-size:clamp(30px,3.6vw,40px);font-weight:900;line-height:1.05}[data-skin=luxe] .cmp-greet{font-style:italic}.cmp-q{color:var(--ink-2);margin:0;font-size:16.5px;line-height:1.6}.cmp-quick{margin:26px 0 0 60px}.cmp-qlabel{color:var(--ink-3);font-size:13px}.cmp-sug{flex-wrap:wrap;gap:9px;margin-top:12px;display:flex}.sug{border:1.5px solid var(--hair);background:var(--surface);color:var(--ink-2);cursor:pointer;border-radius:999px;padding:9px 17px;font-family:inherit;font-size:13.5px;transition:all .18s}.sug:hover{border-color:var(--accent);color:var(--accent-deep)}.sug-gold{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}.sug-gold:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--accent-ink)}.guide-say{font-family:var(--f-ui);color:var(--ink-2);text-align:center;letter-spacing:.01em;max-width:540px;margin:0 auto 22px;padding:0 8px;font-size:16.5px;font-weight:600;line-height:1.55}[data-skin=luxe] .guide-say{color:color-mix(in srgb, var(--accent) 75%, var(--ink))}.guide-opts{flex-direction:column;gap:10px;margin-top:2px;display:flex}.guide-opt{text-align:left;background:color-mix(in srgb, var(--ink) 5%, transparent);cursor:pointer;border:1.5px solid #0000;border-radius:16px;width:100%;padding:13px 16px;font-family:inherit;transition:all .18s;display:block}.guide-opt:hover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 9%, transparent);transform:translateY(-1px)}.guide-opt-title{color:var(--ink);font-size:15px;font-weight:700}.guide-opt-desc{color:var(--ink-3);margin-top:3px;font-size:13px;line-height:1.5}.cmp{background:var(--surface);border:1.5px solid var(--hair);box-shadow:var(--shadow);border-radius:28px;align-items:flex-end;gap:10px;margin-top:auto;padding:8px 8px 8px 22px;transition:border-color .2s;display:flex}.cmp:focus-within{border-color:color-mix(in srgb, var(--accent) 60%, transparent)}.cmp-in{resize:none;color:var(--ink);background:0 0;border:0;outline:0;flex:1;max-height:160px;padding:9px 0;font-family:inherit;font-size:16px;line-height:1.5}.cmp-in::placeholder{color:var(--ink-3)}.cmp-send{background:var(--accent);width:46px;height:46px;color:var(--accent-ink);cursor:pointer;box-shadow:0 3px 0 var(--accent-deep);border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:background .2s,transform .1s,box-shadow .1s;display:inline-flex}.cmp-send:hover{background:var(--accent-deep);box-shadow:0 2px 0 var(--accent-deep)}.cmp-send:active{box-shadow:0 1px 0 var(--accent-deep);transform:translateY(2px)}.cmp-send:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.cmp-send svg{fill:none;stroke:currentColor;stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px}.cmp-foot{color:var(--ink-3);text-align:center;margin-top:14px;font-size:13px}.cmp-foot b{color:var(--accent-deep);font-weight:700}@media (max-width:640px){.compose{min-height:calc(100dvh - 120px)}.cmp-quick{margin-left:0}.cmp-bubble{padding:16px 18px}}.words{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.wcard{background:var(--surface);box-shadow:var(--shadow);border-radius:18px;padding:16px 18px}.wcard .en{font-family:var(--f-en);color:var(--ink);font-size:20px;font-weight:600}.wcard .cn{color:var(--ink-2);margin:2px 0 8px;font-size:14px}.wcard 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.18s}.opt:hover:not(:disabled){border-color:var(--accent)}.opt:disabled{cursor:default}.opt.right{border-color:var(--good);background:var(--good);color:#fff;animation:pop-right .42s var(--ease);font-weight:700}.opt.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad);font-weight:700;animation:.4s shake}.opt.sel{border-color:var(--accent);background:var(--accent-soft)}.opts:has(.opt.right) .opt:not(.right):not(.wrong){opacity:.4;transition:opacity .3s}.q-cloze{color:var(--ink);max-width:520px;margin:0 auto 22px;font-size:21px;font-weight:600;line-height:1.6}.q-sub{color:var(--ink-3);max-width:520px;margin:-10px auto 22px;font-size:14px}.teach{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);text-align:left;padding:22px 24px 20px}.teach>*{animation:teach-rise .5s var(--ease) backwards}.teach>:first-child{animation-delay:40ms}.teach>:nth-child(2){animation-delay:.16s}.teach>:nth-child(3){animation-delay:.28s}.teach>:nth-child(4){animation-delay:.4s}.teach>:nth-child(5){animation-delay:.52s}@keyframes teach-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.teach-kick{letter-spacing:.01em;color:var(--accent-deep);margin-bottom:12px;font-size:13px;font-weight:700}.teach-rule{color:var(--ink-2);text-align:left;background:color-mix(in srgb, var(--accent) 7%, transparent);border-radius:12px;max-width:440px;margin:2px auto 18px;padding:13px 16px;font-size:14.5px;line-height:1.7}.teach-blocks{flex-direction:column;gap:12px;margin-bottom:16px;display:flex}.teach-blk{border-left:2px solid var(--accent);padding-left:12px}.teach-tag{color:var(--accent-deep);background:var(--accent-soft);border-radius:7px;margin-bottom:6px;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.teach-txt{color:var(--ink-2);font-size:14.5px;line-height:1.65}.teach-txt b{color:var(--ink);font-weight:700}.teach-pts{flex-direction:column;gap:4px;margin:7px 0 0;padding:0;list-style:none;display:flex}.teach-pts li{color:var(--ink-2);padding-left:15px;font-size:13.5px;line-height:1.55;position:relative}.teach-pts li:before{content:"";background:var(--accent);border-radius:50%;width:5px;height:5px;position:absolute;top:8px;left:2px}.teach-pts li b{color:var(--ink);font-weight:700}.teach-ex{text-align:center;margin:6px 0 18px}.teach-ex-en{font-family:var(--f-en);letter-spacing:-.01em;color:var(--ink);font-size:clamp(30px,4.4vw,42px);font-weight:500;line-height:1.34}.teach-ex-en b{color:var(--accent-deep)}.teach-ex-cn{color:var(--ink-3);margin-top:13px;font-size:16px}.teach-actions{justify-content:center;align-items:center;gap:12px;display:flex}.listen-btn{border:1.5px solid 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pop-right{0%{transform:scale(.96)}46%{transform:scale(1.05)}to{transform:scale(1)}}@keyframes eq{0%,to{height:4px}50%{height:14px}}.speak .eq{align-items:flex-end;gap:2.5px;height:14px;display:none;position:absolute;bottom:14px;right:14px}.speak.playing .eq{display:flex}.speak .eq i{background:#ffffffe6;border-radius:9px;width:2.5px;animation:.9s ease-in-out infinite eq}.speak .eq i:nth-child(2){animation-delay:.15s}.speak .eq i:nth-child(3){animation-delay:.3s}@keyframes scopepop{0%{opacity:0;transform:translateY(-6px)scale(.96)}to{opacity:1;transform:none}}@keyframes atpop{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes thinkStageIn{to{opacity:1;transform:none}}.again-card{flex-direction:column;align-items:stretch;gap:14px;padding:6px 0;display:flex}.again-acts{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.again-acts .btn{padding:11px 22px;font-size:14.5px}.again-acts .btn.btn-soft{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--hair);background:0 0}.again-acts .btn.btn-soft:hover{background:var(--hair-2);color:var(--ink)}[data-skin=cartoon] .again-acts .btn.btn-soft{box-shadow:inset 0 0 0 1.5px var(--hair)}.again-ask{background:var(--bg);box-shadow:inset 0 0 0 1.5px var(--hair);border-radius:18px;align-items:center;gap:8px;width:100%;max-width:460px;margin:0 auto;padding:8px 8px 8px 18px;display:flex}.again-ask input{color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:6px 0;font-family:inherit;font-size:14px}.again-ask input::placeholder{color:var(--ink-3)}.again-ask .go{background:var(--accent);color:var(--accent-ink);cursor:pointer;border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.again-ask .go:hover{background:var(--accent-deep)}.again-ask .go svg{stroke-width:2px;width:16px;height:16px}.trap-note{background:var(--bad-soft);color:var(--ink-2);border-radius:10px;align-items:center;gap:10px;margin-top:12px;padding:10px 12px;font-size:13px;animation:.25s ease-out trap-note-in;display:flex}.trap-note-tag{background:var(--bad);color:#fff;border-radius:6px;flex-shrink:0;padding:2px 8px;font-size:11px;font-weight:700}.trap-note-txt{flex:1;line-height:1.5}@keyframes trap-note-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.notes-card{background:var(--accent-soft);border-radius:14px;width:100%;max-width:520px;margin:0 auto 18px;padding:16px 20px}.notes-title{color:var(--accent-deep);margin-bottom:12px;font-size:14px;font-weight:700}[data-skin=luxe] .notes-title{color:var(--accent)}.notes-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.notes-list li{background:var(--bg);color:var(--ink);box-shadow:inset 0 0 0 1px var(--hair);border-radius:10px;padding:10px 14px;font-size:13.5px;line-height:1.55}