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.15s;display:flex}.word-row:last-child{border-bottom:0}.word-row:active{opacity:.65}.word-row-main{flex:1;min-width:0}.word-row-term{letter-spacing:-.015em;overflow-wrap:anywhere;align-items:center;gap:7px;font-size:15px;font-weight:800;display:flex}.word-row-sub{color:var(--muted);flex-wrap:wrap;gap:8px;margin-top:3px;font-size:11.5px;display:flex}.word-row-value{flex-direction:column;flex:none;align-items:flex-end;gap:2px;display:flex}.word-row-accuracy{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:15px;font-weight:800}.word-row-caption{color:var(--muted);font-size:10.5px}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.quick-card{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);min-height:122px;box-shadow:var(--shadow-soft);flex-direction:column;gap:8px;padding:15px;transition:transform .15s,box-shadow .15s;display:flex}.quick-card:active{transform:scale(.975)}.quick-icon{background:var(--forest-soft);width:36px;height:36px;color:var(--ink);border-radius:12px;place-items:center;display:grid}.quick-card--accent .quick-icon{background:var(--accent-soft);color:var(--accent-deep)}.quick-title{letter-spacing:-.01em;font-size:14px;font-weight:800}.quick-desc{color:var(--muted);font-size:11.5px;line-height:1.5}.streak{align-items:center;gap:13px;display:flex}.streak-flame{background:var(--accent-soft);width:46px;height:46px;color:var(--accent-deep);border-radius:16px;flex:none;place-items:center;display:grid}.streak-main{flex:1;min-width:0}.streak-value{letter-spacing:-.02em;font-size:19px;font-weight:800;line-height:1.2}.streak-value em{color:var(--accent-deep);margin:0 1px;font-size:24px;font-style:normal}.streak-sub{color:var(--muted);margin-top:3px;font-size:11.5px;line-height:1.5}.streak-dots{flex:none;gap:4px;display:flex}.streak-dot{background:var(--line-strong);border-radius:50%;width:7px;height:7px}.streak-dot--active{background:var(--accent)}.mastery{align-items:center;gap:16px;display:flex}.mastery-overall{border-right:1px solid var(--line);flex-direction:column;flex:none;gap:2px;padding-right:16px;display:flex}.mastery-overall-label{color:var(--muted);font-size:11.5px;font-weight:600}.mastery-overall-value{letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:34px;font-weight:800;line-height:1.05}.mastery-overall-value small{color:var(--muted);margin-left:2px;font-size:15px;font-weight:700}.mastery-overall-hint{color:var(--muted);font-size:11px}.mastery-rings{gap:18px;margin-left:auto;display:flex}.search-box{border:1px solid var(--line);background:var(--surface);min-height:46px;color:var(--muted);box-shadow:var(--shadow-soft);border-radius:15px;align-items:center;gap:9px;padding:0 14px;transition:border-color .15s,box-shadow .15s;display:flex}.search-box:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px #eb8a4a24}.search-input{min-width:0;height:44px;color:var(--ink);background:0 0;border:0;outline:none;flex:1;font-size:14px}.search-input::placeholder{color:var(--muted-weak)}.search-input::-webkit-search-cancel-button{appearance:none}.search-clear{background:var(--paper-deep);width:26px;height:26px;color:var(--muted);border-radius:50%;flex:none;place-items:center;display:grid}.search-clear:active{transform:scale(.94)}.ctx-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);flex-direction:column;gap:9px;padding:15px 16px;display:flex}.ctx-head{align-items:center;gap:7px;display:flex}.ctx-term{letter-spacing:-.01em;min-height:32px;color:var(--ink);align-items:center;gap:5px;padding:0;font-size:14px;font-weight:800;display:inline-flex}.ctx-pos{color:var(--muted);font-size:11px;font-weight:600}.ctx-head-spacer{flex:1}.ctx-sentence{text-align:left;width:100%;color:var(--ink);overflow-wrap:anywhere;padding:0;font-size:15px;line-height:1.62;display:block}.ctx-translation{color:var(--muted);padding-top:1px;font-size:12.5px;line-height:1.58;animation:.22s both fade-in}.ctx-foot{border-top:1px dashed var(--line);align-items:center;gap:8px;padding-top:8px;display:flex}.ctx-toggle{min-height:32px;color:var(--muted);align-items:center;gap:4px;font-size:11.5px;font-weight:700;display:inline-flex}.ctx-count{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:11px}.contrast-card{background:linear-gradient(160deg, var(--surface), var(--surface-2));border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);flex-direction:column;gap:9px;padding:15px 16px;display:flex}.contrast-pair{letter-spacing:-.015em;flex-wrap:wrap;align-items:center;gap:8px;font-size:15px;font-weight:800;display:flex}.contrast-vs{background:var(--paper-deep);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:2px 7px;font-size:9.5px;font-weight:800}.contrast-diff{color:var(--ink-soft);font-size:12.5px;line-height:1.6}.contrast-example{border-top:1px dashed var(--line);gap:9px;padding-top:9px;display:flex}.contrast-label{background:var(--forest-soft);width:20px;height:20px;color:var(--ink);border-radius:7px;flex:none;place-items:center;margin-top:2px;font-size:10px;font-weight:800;display:grid}.contrast-example--b .contrast-label{background:var(--accent-soft);color:var(--accent-deep)}.contrast-en{color:var(--ink);font-size:13.5px;line-height:1.5}.contrast-zh{color:var(--muted);margin-top:2px;font-size:11.5px;line-height:1.5}.overlay{z-index:60;-webkit-backdrop-filter:blur(3px);background:#18282270;justify-content:center;align-items:flex-end;animation:.2s both fade-in;display:flex;position:fixed;inset:0}.sheet{overscroll-behavior:contain;width:100%;max-width:560px;max-height:88dvh;padding:6px var(--gutter) calc(22px + env(safe-area-inset-bottom));background:var(--surface);border-radius:26px 26px 0 0;animation:.3s cubic-bezier(.2,.8,.2,1) both sheet-up;overflow-y:auto;box-shadow:0 -24px 60px -24px #1b3d3666}.sheet-handle{background:var(--line-strong);border-radius:999px;width:40px;height:4px;margin:8px auto 14px}.sheet-head{align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.sheet-title{letter-spacing:-.03em;overflow-wrap:anywhere;font-size:28px;font-weight:800;line-height:1.12}.sheet-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 9px;margin-top:6px;font-size:13px;display:flex}.sheet-close{flex:none;margin-left:auto}.sheet-body{flex-direction:column;gap:15px;display:flex}.sheet-weak{gap:8px;display:flex}.sheet-weak-item{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;flex:1;padding:10px 12px}.sheet-weak-value{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:17px;font-weight:800}.sheet-weak-label{color:var(--muted);margin-top:1px;font-size:10.5px}.modal-overlay{z-index:70;-webkit-backdrop-filter:blur(3px);background:#18282275;place-items:center;padding:24px;animation:.18s both fade-in;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;gap:10px;width:100%;max-width:344px;padding:22px 20px 18px;animation:.22s cubic-bezier(.2,.8,.2,1) both modal-in;display:flex;box-shadow:0 32px 80px -32px #1b3d368c}.modal-title{letter-spacing:-.015em;font-size:18px;font-weight:800}.modal-desc{color:var(--muted);font-size:13px;line-height:1.62}.modal-actions{gap:9px;margin-top:8px;display:flex}.modal-actions>*{flex:1}.skeleton{background:#ede6d8;border-radius:12px;position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000,#ffffff8c,#0000);animation:1.5s infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}.skeleton-stack{flex-direction:column;gap:12px;display:flex}.skeleton-card{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);padding:18px}.empty{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:28px 18px;display:flex}.empty-icon{background:var(--forest-soft);width:54px;height:54px;color:var(--ink);border-radius:18px;place-items:center;margin-bottom:2px;display:grid}.empty-title{letter-spacing:-.01em;font-size:16px;font-weight:800}.empty-desc{max-width:300px;color:var(--muted);font-size:13px;line-height:1.62}.empty .btn{margin-top:8px}.error-state{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:26px 18px;display:flex}.error-icon{background:var(--danger-soft);width:48px;height:48px;color:var(--danger);border-radius:16px;place-items:center;margin-bottom:2px;display:grid}.error-title{font-size:15.5px;font-weight:800}.error-desc{max-width:320px;color:var(--muted);font-size:12.5px;line-height:1.6}.error-message{background:var(--surface-2);border:1px solid var(--line);max-width:100%;color:var(--muted);overflow-wrap:anywhere;border-radius:12px;padding:8px 10px;font-size:11.5px;line-height:1.5}.error-state .btn{margin-top:6px}.notice{border-radius:var(--radius-sm);background:var(--gold-soft);color:#7a5a1e;border:1px solid #e8d9ba;align-items:flex-start;gap:9px;padding:11px 13px;font-size:12.5px;line-height:1.55;display:flex}.notice svg{flex:none;margin-top:1px}.notice--info{background:var(--forest-soft);color:#2f574a;border-color:#d6e3da}.notice--danger{background:var(--danger-soft);color:#953f2c;border-color:#efcfc3}.notice-content{flex:1;min-width:0}.notice-action{flex:none;align-self:center}.splash{min-height:100dvh;padding:32px 24px calc(40px + env(safe-area-inset-bottom));flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex}.splash-title{letter-spacing:.01em;font-size:17px;font-weight:800}.splash-sub{color:var(--muted);text-align:center;font-size:12.5px;line-height:1.6}.splash-skeleton{flex-direction:column;gap:10px;width:100%;max-width:320px;margin-top:10px;display:flex}.boot-error{min-height:100dvh;padding:32px 22px calc(40px + env(safe-area-inset-bottom));text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.summary{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:24px 18px 18px;display:flex}.summary-badge{background:var(--forest-soft);width:66px;height:66px;color:var(--ink);border-radius:22px;place-items:center;margin-bottom:2px;display:grid}.summary-badge--accent{background:var(--accent-soft);color:var(--accent-deep)}.summary-title{letter-spacing:-.025em;font-size:22px;font-weight:800;line-height:1.25}.summary-sub{max-width:300px;color:var(--muted);font-size:12.5px;line-height:1.6}.summary-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;margin-top:10px;display:grid}.summary-stat{background:var(--surface-2);border:1px solid var(--line);border-radius:15px;padding:11px 8px}.summary-stat-value{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:21px;font-weight:800;line-height:1.1}.summary-stat-label{color:var(--muted);margin-top:2px;font-size:10.5px}.summary-actions{flex-direction:column;gap:9px;width:100%;margin-top:12px;display:flex}@keyframes page-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes rise-in{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes sheet-up{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}@keyframes modal-in{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes shimmer{to{transform:translate(100%)}}@keyframes audio-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.72;transform:scale(.88)}}@media (width<=374px){.mastery{flex-direction:column;align-items:flex-start}.mastery-overall{border-right:0;flex-direction:row;align-items:baseline;gap:8px;padding-right:0}.mastery-rings{margin-top:4px;margin-left:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@keyframes spin{to{transform:rotate(360deg)}}