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#14665321}.guide-source-list span{display:grid;gap:4px}.guide-source-list small{color:var(--muted);line-height:1.35}.guide-footer{display:grid;gap:10px;padding:clamp(18px,2.3vw,26px) 0 4px}.guide-footer h3{margin:0;color:var(--ink);font-size:clamp(1.1rem,1.5vw,1.35rem);line-height:1.15}.guide-footer p{margin:0;color:var(--muted);font-size:clamp(.98rem,1.35vw,1.14rem);line-height:1.45}.guide-footer a{justify-self:start;color:var(--ink);font-size:clamp(.98rem,1.35vw,1.12rem);font-weight:850;line-height:1.2;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}.guide-footer a:hover,.guide-footer a:focus-visible{color:var(--jade-dark);outline:0}.sentence-display{position:relative;display:grid;justify-items:center;gap:10px;padding:clamp(20px,5vw,50px) 12px 4px;text-align:center}.sentence-display:before{content:"";position:absolute;inset:6px 8% 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svg{fill:currentColor}.sentence-pinyin{margin:0;color:#4b4a46;font-size:clamp(1.08rem,2.1vw,1.72rem);line-height:1.35}.typing-practice-line{position:relative;display:grid;gap:8px;min-width:min(720px,100%);max-width:840px;padding:8px 10px 12px;border:1px solid transparent;border-radius:8px;outline:0;cursor:text;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease}.typing-practice-line:focus-within{border-color:#1f8a7042;background:#fffefa7a;box-shadow:0 12px 26px 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small{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.weak-row-translation{display:-webkit-box;min-width:0;overflow:hidden;color:var(--muted);font-size:.78rem;line-height:1.28;-webkit-box-orient:vertical;-webkit-line-clamp:2}.weak-row-main strong{color:var(--ink);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:1.02rem;line-height:1.1}.weak-row-main small{color:var(--muted);font-size:.78rem}.weak-row-count{color:#c0392b;font-size:.88rem;font-weight:900;font-variant-numeric:tabular-nums;text-align:right}.weak-row-action{display:grid;place-items:center;width:30px;height:30px;border:1px solid rgba(23,21,18,.08);border-radius:999px;color:var(--muted);background:#17151209}.practice-deck-empty{margin:0;color:var(--muted);font-size:.86rem}.token-card{position:relative;display:block;min-width:0;min-height:224px;padding:0;border:0;color:var(--ink);cursor:pointer;background:transparent;perspective:1200px;--token-tone-gradient: rgba(31, 138, 112, .36);--token-tone-primary: var(--jade);--speaking-rgb: 31, 138, 112;--speaking-edge: #68c6ac}.token-card:nth-child(2n){--speaking-rgb: 240, 184, 77;--speaking-edge: #f0b84d}.token-card:nth-child(3n){--speaking-rgb: 93, 143, 182;--speaking-edge: #5d8fb6}.token-tone-glow{position:absolute;inset:-12px -10px -20px;z-index:0;border-radius:16px;opacity:0;pointer-events:none;background:var(--token-tone-gradient);filter:blur(30px) saturate(1.08);transform:translateY(24px) scale(.94);transition:opacity .22s ease,filter .22s ease,transform .24s cubic-bezier(.2,.75,.24,1)}.token-hover-shell{position:relative;z-index:1;display:block;min-height:224px;border-radius:8px;transform:translateZ(0);transition:transform .24s cubic-bezier(.2,.75,.24,1),filter .24s ease}.token-card-inner{position:relative;display:block;min-height:224px;border-radius:8px;transform-style:preserve-3d;transition:transform .46s cubic-bezier(.2,.75,.24,1)}.token-card.flipped 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