@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-space-y-reverse:0;--tw-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--container-md:28rem;--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-base:1rem;--text-base--line-height: 1.5 ;--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--font-weight-semibold:600;--font-weight-bold:700;--radius-md:.375rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}html{font-family:Microsoft YaHei UI,Segoe UI,Arial,sans-serif}body{color:#1e2823;background:radial-gradient(circle at 12% 0,#c47a5424,#0000 24rem),radial-gradient(circle at 86% 10%,#24534126,#0000 28rem),linear-gradient(#edf5ee,#f8f5ea 46%,#eef4f1);min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}}@layer components{.study-shell{color:#1e2823}.study-browser-speech-alert{color:#fff8ef;text-align:center;background:#8a321f;width:100%;padding:.7rem 1rem;font-size:.875rem;font-weight:700;line-height:1.45}.study-top-download{color:#fffdf6;background:#1f5b4c;width:100%;box-shadow:0 6px 16px #1a483d1f}.study-top-download-inner{text-align:center;justify-content:center;align-items:center;gap:.55rem;width:min(88rem,100%);min-height:2.55rem;margin:0 auto;padding:.35rem 1rem;display:flex}.study-top-download-link{color:#17483c;white-space:nowrap;background:#fffdf6;border-radius:.4rem;justify-content:center;align-items:center;min-height:1.85rem;padding:0 .85rem;font-size:.875rem;font-weight:700;text-decoration:none;display:inline-flex}.study-top-download-link:hover{color:#123d33;background:#eef7ef}.study-top-download-copy{font-size:.875rem;line-height:1.45}.study-workspace{gap:.85rem;display:grid}.study-brandbar{color:#1d332b;background:0 0;border-bottom:0;grid-template-columns:minmax(0,1fr);align-items:start;gap:1rem;display:grid}.brand-lockup{align-items:center;gap:.75rem;display:flex}.brand-mark{border-radius:.75rem;flex:none;width:3.15rem;height:3.15rem;box-shadow:0 6px 16px #08191429,0 0 0 1px #fffdf7b8}.brand-title{color:#123d33;letter-spacing:0;text-shadow:0 1px #fffdf7b3;font-size:2.15rem}.brand-domain{color:#b46645;margin-left:.08rem}.brand-tagline{color:#476a5d;margin-top:.35rem;font-weight:600}.study-status{color:#335246;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffdf78f;border:1px solid #56746033;border-radius:.45rem;align-items:center;min-height:2.35rem;display:flex;overflow:hidden}.study-status-text{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.study-status-hidden{visibility:hidden}.study-header-actions{justify-items:stretch;gap:.7rem;width:100%;display:grid}.study-nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#fffdf7d6,#eff7edb8);border:1px solid #3c5f4e33;border-radius:.65rem;grid-template-columns:repeat(3,minmax(0,1fr));gap:.2rem;width:100%;max-width:28rem;padding:.28rem;display:grid;box-shadow:inset 0 1px #ffffffd6,0 8px 22px #29483c14}.study-nav-button{color:#49695d;white-space:nowrap;background:0 0;border:0;border-radius:.45rem;justify-content:center;align-items:center;min-width:0;min-height:2.35rem;padding:.15rem .72rem .22rem;font-size:.875rem;font-weight:800;line-height:1.15;transition:background .14s,color .14s,box-shadow .14s,transform .14s;display:inline-flex;position:relative}.study-nav-button+.study-nav-button{border-left:0}.study-nav-button:after{transform-origin:50%;opacity:0;content:"";background:0 0;border-radius:999px;height:3px;transition:background .14s,opacity .14s,transform .14s;position:absolute;bottom:.28rem;left:.8rem;right:.8rem;transform:scaleX(.35)}.study-nav-button:hover:not(.study-nav-button-active){color:#123d33;background:#1f5b4c12}.study-nav-button-active{color:#123d33;background:#fffdf7;box-shadow:0 6px 16px #22453624,inset 0 0 0 1px #ffffffe6}.study-nav-button-active:after{opacity:1;background:#c47a54;transform:scaleX(1)}.study-nav-button-active:hover{color:#123d33;background:#fffaf0}.study-nav-button:focus-visible{outline-offset:2px;outline:2px solid #c47a54}.study-desk{min-height:70vh;box-shadow:none;background:linear-gradient(90deg,#eff6edf2,#fffdf7fa 34%,#fffdf7);border:1px solid #275b4c2e;border-radius:.5rem;grid-template-columns:minmax(0,1fr);display:grid;overflow:visible}.study-panel-title{color:#22362f;letter-spacing:0}.study-toolbar{gap:.5rem}.study-button{color:#24372f;background:#fffef9;border:1px solid #b8c8ba;border-radius:.5rem;height:2.25rem;padding:0 1rem;transition:background .14s,border-color .14s,color .14s,box-shadow .14s}.study-button:hover{background:#eef7ef;border-color:#557b68;box-shadow:0 5px 16px #375a4c1a}.study-button-primary{color:#fffdf6;background:#1f5b4c;border-color:#1f5b4c}.study-button-primary:hover{background:#17483c;border-color:#17483c}.study-button:disabled{cursor:not-allowed;opacity:.46;box-shadow:none}.study-main{grid-template-rows:auto minmax(28rem,1fr);min-height:70vh;display:grid}.study-compose{background:linear-gradient(#fffffff5,#fffdf7c7);border-bottom:1px solid #526f5d2e;padding:1rem}.study-compose .study-panel-title{color:#0f5a45;letter-spacing:0;font-size:1rem}.study-compose-head,.study-reading-head{margin-bottom:.75rem}.study-input{color:#1f2d28;background-color:#fffefa;background-image:linear-gradient(#fff0 95%,#2a6f581c 96%),none;background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:100% 2.4rem;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;border:2px solid #2274588f;border-radius:.5rem;min-height:8.5rem;font-family:Itim,Microsoft YaHei UI,Segoe UI,Arial,sans-serif;font-size:1.5rem;line-height:2.4rem;transition:border-color .14s,box-shadow .14s,background-color .14s;box-shadow:inset 0 0 0 1px #ffffffeb,0 10px 24px #1f55431f}.study-input::placeholder{color:#68877b}.study-gateway-guide{color:#5c4638;background:#fff8ead1;border:1px solid #b4664547}.study-dictionary-info{color:#557265}.study-text-history-bar{color:#52675d}.study-text-history-label{font-weight:700}.study-text-history-select{width:min(100%,30rem)}.study-text-history-delete{flex:none}.study-gateway-status{color:#6b4c39;background:#fff8eab8;border:1px solid #b4664547;border-radius:.4rem;align-items:center;min-height:1.8rem;padding:.22rem .65rem;font-weight:700;display:inline-flex}.study-gateway-status-online{color:#1f5b4c;background:#eef7edc7;border-color:#1f5b4c47}.study-link{color:#0f5a45;text-underline-offset:.18rem;font-weight:700;text-decoration:underline}.study-input:focus{background-color:#fff;border-color:#197152;box-shadow:inset 0 0 0 1px #fffffff2,0 0 0 4px #2580602e,0 16px 34px #1f55432e}.study-reading-surface{grid-template-rows:auto minmax(0,1fr);min-height:0;padding:1rem;display:grid}.study-reader{color:#1f2b26;background-color:#fffdf7;background-image:linear-gradient(#35534609 1px,#0000 1px),none;background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:100% 2.4rem;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;border:0;border-radius:.2rem;min-height:30rem;font-family:Itim,Microsoft YaHei UI,Segoe UI,Arial,sans-serif;font-size:1.5rem;line-height:2.4rem;box-shadow:inset 0 0 0 1px #66806f24,0 18px 46px #2a433814}.study-word{color:#21352e;border-radius:.35rem;transition:background .12s,box-shadow .12s,color .12s}.study-word-cluster{white-space:nowrap}.study-word:hover{color:#123b32;background:#e8f3e8}.study-word-selected{color:#12382f;background:#d6eee4;box-shadow:inset 0 -2px #c47a54}.study-word-learned{color:#4e4734;background:#f4ecd9;box-shadow:inset 0 -1px #b4664580}.study-word-popover{z-index:20;color:#24372f;background:#fffdf7f5;border:1px solid #44675729;border-radius:.5rem;width:min(16rem,100vw - 2rem);max-height:min(21rem,100vh - 2rem);padding:.6rem .7rem;position:fixed;overflow:auto;box-shadow:0 8px 24px #223e3124}.study-word-popover-word{color:#18493e;font-size:1rem;line-height:1.35;display:block}.study-word-popover-meaning{color:#27352f;-webkit-line-clamp:5;-webkit-box-orient:vertical;margin-top:.4rem;font-size:.875rem;line-height:1.6;display:-webkit-box;overflow:hidden}.study-word-popover-mobile{width:auto;max-height:42vh;inset:auto .75rem .75rem;transform:none}.study-count{color:#6b756d}.study-word-card{z-index:3;background:linear-gradient(#eef7ed,#e4f1e5);border-bottom:1px solid #4a68562e;max-height:42vh;position:sticky;top:0;overflow:auto;box-shadow:0 12px 26px #2a43381a}.study-current-word{color:#18493e;border-bottom:1px solid #d3dfd2}.study-meaning{color:#27352f;box-sizing:border-box;-webkit-line-clamp:5;background:#fffdf785;border:1px solid #7e968238;-webkit-box-orient:vertical;height:9.75rem;padding:.5rem .75rem;display:-webkit-box;overflow:hidden}.study-control{color:#647064}.study-select{color:#24372f;background:#fffef9;border:1px solid #b8c8ba}.study-toggle{color:#445f54}.study-toggle input{accent-color:#1f5b4c;width:1rem;height:1rem}.study-history-mini>div{background:#fffdf794;border:1px solid #7e968238;border-radius:.45rem;gap:.15rem;padding:.55rem;display:grid}.study-history-mini strong{color:#18493e;font-size:1rem;line-height:1}.study-history-mini span{color:#647064}.study-review{background:linear-gradient(#fffffff5,#fffdf7db);border:1px solid #275b4c2e;border-radius:.5rem;min-height:70vh;padding:1rem}.study-review-summary,.study-review-meta,.study-diagnostics-summary,.study-diagnostics-updated,.ipa-subtitle{color:#69766c}.study-search{color:#24372f;background:#fffef9;border:1px solid #b8c8ba}.study-search:focus{border-color:#197152;outline:none;box-shadow:0 0 0 4px #25806024}.study-review-empty{color:#50685e;background:#eef7ed9e;border:1px solid #7e968238}.study-review-list{gap:.5rem;display:grid}.study-review-row{cursor:pointer;background:#ffffffb8;border:1px solid #7e968238;border-radius:.45rem;grid-template-columns:minmax(7rem,.7fr) minmax(0,1.4fr) minmax(11rem,.8fr) auto;align-items:start;gap:.75rem;padding:.75rem;display:grid}.study-review-row:hover,.study-review-row:focus{border-color:#25806059;outline:none;box-shadow:0 0 0 4px #2580601a}.study-review-row-selected{background:#edf8f2f0;border-color:#19715280}.study-review-word{color:#18493e;justify-self:start;font-weight:700}.study-review-word:hover{text-underline-offset:.18rem;text-decoration:underline}.study-review-meaning{color:#27352f;line-height:1.55}.study-review-meta{gap:.18rem;font-size:.8rem;display:grid}.study-review-delete{color:#8b4d33;background:#fff8ee;border:1px solid #b4664561;border-radius:.45rem;height:2rem;padding:0 .75rem}.study-review-delete:hover{background:#fff0df;border-color:#a85d3d}.study-review-context-menu{z-index:55;background:#fffef9;border:1px solid #506f5b38;border-radius:.45rem;gap:.15rem;min-width:9.25rem;padding:.3rem;display:grid;position:fixed;box-shadow:0 18px 40px #23312a29}.study-review-context-menu button{color:#26362f;text-align:left;background:0 0;border:0;border-radius:.35rem;padding:.5rem .65rem;font-size:.875rem;line-height:1.3}.study-review-context-menu button:hover,.study-review-context-menu button:focus{background:#eef7edf2;outline:none}.study-review-context-menu .study-review-context-danger{color:#8b4d33}.study-review-context-menu .study-review-context-danger:hover,.study-review-context-menu .study-review-context-danger:focus{background:#fff0df}.study-diagnostics{background:linear-gradient(#fffffff5,#fffdf7db);border:1px solid #275b4c2e;border-radius:.5rem;min-height:70vh;padding:1rem}.study-diagnostics-list{background:#ffffff85;border:1px solid #7e968229;border-radius:.45rem;gap:0;display:grid;overflow:hidden}.study-cache-tool-list{gap:.55rem;display:grid}.study-cache-tools{background:#fffdf7a8;border:1px solid #7e968238;border-radius:.45rem;justify-content:space-between;align-items:center;gap:.75rem;padding:.75rem;display:flex}.study-secondary-tools{color:#405d51;background:#eef7ed5c;border:1px solid #7e96822e;border-radius:.45rem;padding:.65rem .75rem}.study-secondary-tools-summary{cursor:pointer;color:#315447;font-size:.875rem;font-weight:800;line-height:1.35}.study-secondary-tools-summary:hover{color:#123d33}.study-cache-tools-title{color:#21352e;font-size:1rem;font-weight:700;line-height:1.35}.study-cache-tools-detail{color:#52675d;margin-top:.25rem;font-size:.875rem;line-height:1.55}.study-diagnostic-row{background:0 0;border-bottom:1px solid #7e968224;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:.75rem;padding:.65rem .75rem;display:grid}.study-diagnostic-row:last-child{border-bottom:0}.study-diagnostic-label{color:#21352e;font-size:1rem;font-weight:700;line-height:1.35}.study-diagnostic-detail{color:#52675d;margin-top:.18rem;font-size:.875rem;line-height:1.5}.study-diagnostic-status{white-space:nowrap;border-radius:.4rem;justify-content:center;align-items:center;min-width:4.2rem;min-height:1.8rem;padding:0 .65rem;font-size:.875rem;font-weight:700;display:inline-flex}.study-diagnostic-status-pending{color:#596d63;background:#edf2ef}.study-diagnostic-status-ok{color:#1f5b4c;background:#e4f3e8}.study-diagnostic-status-warn{color:#7b5524;background:#fff3dc}.study-diagnostic-status-fail{color:#8a321f;background:#fde8df}.study-info{color:#4f5f54;border-top:1px solid #60786933}.study-info h2,.study-info h3{color:#21352e}.study-feedback{color:#5e7167;text-align:center;border-top:1px solid #60786933;justify-content:center;gap:.45rem;padding:1.1rem 0 .35rem;font-size:.875rem;display:grid}.study-feedback-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.45rem;display:flex}.study-feedback-label{font-weight:600}.study-feedback-email{image-rendering:auto;width:9.75rem;max-width:100%;height:auto}.study-icp{color:#738279;font-size:.84rem}.study-icp-sep{margin:0 .35rem}.ipa-page{background:linear-gradient(#fffffff5,#fffdf7db);border:1px solid #275b4c2e;border-radius:.5rem;padding:1rem}.ipa-header{margin-bottom:1rem}.ipa-sources{flex-wrap:wrap;gap:.65rem;display:flex}.ipa-source-toggle{cursor:pointer;color:#3a5e50;align-items:center;gap:.3rem;font-size:.875rem;display:inline-flex}.ipa-source-toggle input{accent-color:#1f5b4c}.ipa-source-lock{opacity:.7;cursor:default}.ipa-section{margin-bottom:1.5rem}.ipa-section-title{color:#1f5b4c;background:#1f5b4c14;border-radius:.4rem;margin-bottom:.85rem;padding:.55rem .85rem;font-size:1rem;font-weight:700}.ipa-subsection{margin-bottom:1rem}.ipa-subsection-title{color:#3a5e50;margin-bottom:.55rem;padding-left:.15rem;font-size:.875rem;font-weight:600}.ipa-grid{grid-template-columns:repeat(auto-fill,minmax(5rem,1fr));gap:.6rem;display:grid}.ipa-card{cursor:pointer;background:#fffc;border:1px solid #7e968238;border-radius:.45rem;flex-direction:column;align-items:center;gap:.25rem;padding:.65rem .35rem;transition:border-color .15s,background .15s;display:flex}.ipa-card:hover,.ipa-card:focus{background:#edf8f2e6;border-color:#25806073;outline:none}.ipa-card:active{transform:scale(.96)}.ipa-card-playing{background:#e1f5ecf2;border-color:#1f5b4c99;box-shadow:0 0 0 2px #1f5b4c33}.ipa-symbol{color:#1d483d;font-family:Times New Roman,Noto Sans,serif;font-size:1.5rem;font-weight:700;line-height:1.2}.ipa-example{color:#6b7f72;font-size:.8rem;font-style:italic}.nce-dropdown{position:relative}.nce-caret{margin-left:.2em;font-size:.85em;transition:transform .15s;display:inline-block;transform:scaleY(.6)}.nce-caret-open{transform:scaleY(.6)rotate(180deg)}.nce-button-active{background:#1f5b4c1f!important}.nce-panel{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffffa;border:1px solid #275b4c2e;border-radius:.5rem;width:min(22rem,90vw);padding:.65rem;position:absolute;top:calc(100% + .35rem);left:0;box-shadow:0 8px 24px #0000001f}.nce-book-tabs{gap:.35rem;margin-bottom:.5rem;display:flex}.nce-book-tab{cursor:pointer;color:#3a5e50;text-align:center;white-space:nowrap;background:#ffffffb3;border:1px solid #7e968233;border-radius:.35rem;flex:1;padding:.35rem .25rem;font-size:.8rem;transition:border-color .15s,background .15s}.nce-book-tab:hover{background:#edf8f2cc}.nce-book-tab-active{color:#1d483d;background:#e1f5ece6;border-color:#1f5b4c80;font-weight:600}.nce-book-tab-count{color:#9ca8a0;margin-left:.15rem;font-size:.7rem}.nce-search{color:#1e2823;background:#fffc;border:1px solid #7e968233;border-radius:.35rem;outline:none;width:100%;margin-bottom:.4rem;padding:.4rem .6rem;font-size:.8rem;transition:border-color .15s}.nce-search:focus{border-color:#25806066}.nce-search::placeholder{color:#b0b8b4}.nce-list{background:#7e968214;border-radius:.35rem;flex-direction:column;gap:1px;max-height:50vh;display:flex;overflow:hidden auto}.nce-item{cursor:pointer;text-align:left;background:#fffffff2;border:none;align-items:center;gap:.5rem;width:100%;padding:.4rem .55rem;font-size:.82rem;transition:background .12s;display:flex}.nce-item:hover{background:#edf8f2f2}.nce-num{color:#1f5b4c;background:#1f5b4c14;border-radius:.25rem;flex-shrink:0;justify-content:center;align-items:center;min-width:1.7rem;height:1.4rem;font-size:.72rem;font-weight:700;display:inline-flex}.nce-title{text-overflow:ellipsis;white-space:nowrap;color:#1e2823;flex:1;min-width:0;overflow:hidden}.nce-empty{text-align:center;color:#9ca8a0;padding:1.5rem 0;font-size:.8rem}}@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.z-78{z-index:78}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.m-9{margin:calc(var(--spacing) * 9)}.m-22{margin:calc(var(--spacing) * 22)}.m-102{margin:calc(var(--spacing) * 102)}.mx-auto{margin-inline:auto}.mt-1{margin-top:calc(var(--spacing) * 1)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-3{margin-top:calc(var(--spacing) * 3)}.mt-4{margin-top:calc(var(--spacing) * 4)}.mt-7{margin-top:calc(var(--spacing) * 7)}.mb-3{margin-bottom:calc(var(--spacing) * 3)}.ml-1{margin-left:calc(var(--spacing) * 1)}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.h-9{height:calc(var(--spacing) * 9)}.h-10{height:calc(var(--spacing) * 10)}.min-h-11{min-height:calc(var(--spacing) * 11)}.min-h-screen{min-height:100vh}.w-full{width:100%}.max-w-\[88rem\]{max-width:88rem}.max-w-full{max-width:100%}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.resize-y{resize:vertical}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-\[5\.5rem_minmax\(0\,1fr\)\]{grid-template-columns:5.5rem minmax(0,1fr)}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-6{gap:calc(var(--spacing) * 6)}:where(.space-y-3>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 3) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 3) * calc(1 - var(--tw-space-y-reverse)))}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.overflow-auto{overflow:auto}.rounded{border-radius:.25rem}.rounded-md{border-radius:var(--radius-md)}.border{border-style:var(--tw-border-style);border-width:1px}.bg-transparent{background-color:#0000}.p-3{padding:calc(var(--spacing) * 3)}.p-4{padding:calc(var(--spacing) * 4)}.px-0\.5{padding-inline:calc(var(--spacing) * .5)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-3{padding-block:calc(var(--spacing) * 3)}.py-5{padding-block:calc(var(--spacing) * 5)}.py-8{padding-block:calc(var(--spacing) * 8)}.pb-3{padding-bottom:calc(var(--spacing) * 3)}.align-baseline{vertical-align:baseline}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.leading-6{--tw-leading:calc(var(--spacing) * 6);line-height:calc(var(--spacing) * 6)}.leading-7{--tw-leading:calc(var(--spacing) * 7);line-height:calc(var(--spacing) * 7)}.leading-\[2\.4rem\]{--tw-leading:2.4rem;line-height:2.4rem}.leading-\[inherit\]{--tw-leading:inherit;line-height:inherit}.leading-none{--tw-leading:1;line-height:1}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.break-words{overflow-wrap:break-word}.whitespace-pre-wrap{white-space:pre-wrap}.capitalize{text-transform:capitalize}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.italic{font-style:italic}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.overline{text-decoration-line:overline}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.grayscale{--tw-grayscale:grayscale(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.sepia{--tw-sepia:sepia(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.outline-none{--tw-outline-style:none;outline-style:none}.\[al\:新概念英语（一）\]{al:新概念英语（一）}.\[al\:新概念英语（三）\]{al:新概念英语（三）}.\[al\:新概念英语（二）\]{al:新概念英语（二）}.\[al\:新概念英语（四）\]{al:新概念英语（四）}.\[by\:更多学习内容，请到VeryCD\.com搜索“露珠”\]{by:更多学习内容，请到VeryCD.com搜索“露珠”}.\[ti\:Adolescence\]{ti:Adolescence}.\[ti\:Bats\]{ti:Bats}.\[ti\:Beauty\]{ti:Beauty}.\[ti\:Collecting\]{ti:Collecting}.\[ti\:Education\]{ti:Education}.\[ti\:Escape\]{ti:Escape}.\[ti\:Hobbies\]{ti:Hobbies}.\[ti\:Persistent\]{ti:Persistent}.\[ti\:Porpoises\]{ti:Porpoises}.\[ti\:SOS\]{ti:SOS}.\[ti\:Smash-and-Grab\]{ti:Smash-and-Grab}.\[ti\:Taxi\]{ti:Taxi}.\[ti\:Volcanoes\]{ti:Volcanoes}.\[ti\:Waves\]{ti:Waves}.\[ti\:Youth\]{ti:Youth}@media(min-width:40rem){.sm\:max-w-md{max-width:var(--container-md)}.sm\:flex-row{flex-direction:row}.sm\:items-center{align-items:center}.sm\:px-6{padding-inline:calc(var(--spacing) * 6)}}@media(min-width:48rem){.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(min-width:64rem){.lg\:grid-cols-\[minmax\(0\,1\.2fr\)_minmax\(0\,0\.8fr\)\]{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.lg\:flex-row{flex-direction:row}.lg\:items-center{align-items:center}.lg\:justify-between{justify-content:space-between}}}@font-face{font-family:Itim;src:url(../fonts/Itim/Itim-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}@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}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@media(min-width:760px){.study-brandbar{grid-template-columns:minmax(18rem,1fr) minmax(21rem,28rem);align-items:center}}@media(min-width:760px){.study-header-actions{justify-items:end}}@media(min-width:1024px){.study-desk{grid-template-columns:19rem minmax(0,1fr)}}@media(min-width:1024px){.study-word-card{top:1rem;z-index:1;align-self:start;max-height:none;overflow:visible;border-right:1px solid rgba(74,104,86,.2);border-bottom:0;box-shadow:none}}@media(max-width:420px){.brand-lockup{gap:.7rem}.brand-mark{width:3rem;height:3rem}.brand-title{font-size:1.9rem}}@media(max-width:520px){.study-top-download-inner{min-height:2.35rem;flex-wrap:wrap;gap:.2rem .4rem;padding-block:.35rem}.study-top-download-copy{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35}.study-top-download-link{min-height:1.75rem;font-size:.8rem}}@media(max-width:520px){.study-nav{width:100%;max-width:none}.study-nav-button{min-height:2.2rem;padding-inline:.36rem;font-size:.8rem}}@media(max-width:520px){.ipa-grid{grid-template-columns:repeat(auto-fill,minmax(4rem,1fr));gap:.45rem}.ipa-card{padding:.5rem .25rem}.ipa-symbol{font-size:1.25rem}}@media(max-width:620px){.study-cache-tools{align-items:stretch;flex-direction:column}}@media(max-width:820px){.study-review-row{grid-template-columns:minmax(0,1fr)}.study-review-delete{justify-self:start}}@media(max-width:1023px){.study-word-card{position:static;max-height:none;overflow:visible}.study-meaning{height:9.75rem;-webkit-line-clamp:5;display:-webkit-box}.study-word-popover-mobile{position:fixed;top:.5rem;right:.5rem;bottom:auto;left:.5rem;width:auto;max-height:min(21rem,calc(100vh - 2rem));transform:none}.study-word-popover-mobile .study-word-popover-word{font-size:1.375rem;line-height:1.4}.study-word-popover-mobile .study-word-popover-meaning{font-size:1.125rem;line-height:1.7;-webkit-line-clamp:6}}