:root{--paper:#f7f9f5;--surface:#fff;--soft:#edf2e9;--ink:#26382c;--muted:#647066;--line:#d8e1d5;--accent:#416d46;--serif:Georgia,'Songti SC',SimSun,serif;--side:224px;--header:76px}
html[data-theme=dark]{--paper:#171e18;--surface:#1d281f;--soft:#253429;--ink:#e3ecdf;--muted:#afbbac;--line:#3b4b3d;--accent:#accd96}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.75 Arial,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0}button,a,input,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent)}a:hover{color:var(--accent)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:fixed;top:-60px;left:16px;padding:10px;background:var(--ink);color:var(--paper);z-index:200}.skip:focus{top:8px}::selection{background:var(--accent);color:var(--paper)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--header);display:flex;align-items:center;gap:28px;padding:0 28px;background:var(--paper);border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.brand img{width:43px;height:48px;object-fit:contain}.brand>span{display:grid;line-height:1.4}.brand strong{font-size:14px;letter-spacing:.025em}.brand>span>span{font-size:11px;color:var(--muted)}.guide-link{margin-left:auto;font-size:12px}.header-actions{display:flex;gap:12px;align-items:center}#theme{border:1px solid var(--line);border-radius:50%;width:34px;height:34px;font-size:19px}#menu{display:none;border:1px solid var(--line);padding:4px 12px}
#categories{position:fixed;top:var(--header);bottom:0;left:0;width:var(--side);overflow:auto;padding:25px 16px 30px 24px;border-right:1px solid var(--line);scrollbar-width:thin;background:var(--paper);z-index:30}.nav-title,.nav-group{font-size:11px;color:var(--muted);margin:0 8px 9px}.nav-active{display:block;border-left:2px solid var(--accent);background:var(--soft);padding:8px 10px;color:var(--accent);font-weight:600;font-size:13px;margin-bottom:23px}.nav-group{margin-top:19px}#category-list button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;padding:7px 9px;line-height:1.5;font-size:12px;border-radius:4px;margin:2px 0}#category-list button:hover,#category-list button.active{background:var(--soft);color:var(--accent)}#category-list button.active{font-weight:700}#category-list button span{font:10px ui-monospace,monospace;color:var(--muted)}.contribute{display:block;margin:24px 8px 0;font-size:12px;color:var(--muted)}
#workspace{margin-left:var(--side);max-width:1610px;padding:112px 44px 24px}.eyebrow{font:10px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.12em;color:var(--muted);display:flex;justify-content:space-between;gap:10px}.eyebrow span{letter-spacing:0}.intro h1{font:600 clamp(30px,3vw,46px)/1.4 var(--serif);letter-spacing:-.02em;margin:13px 0 8px}.title-dot{color:var(--accent)}.intro p{color:var(--muted);margin:0 0 25px;font-size:14px}.search-area{position:relative;margin-bottom:32px}#search-form{display:flex;align-items:center;gap:15px;background:var(--surface);border:1px solid var(--accent);border-radius:7px;padding:0 17px;height:58px;box-shadow:0 3px 10px #26382c06}#search-form:focus-within{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 13%,transparent)}#search-form svg{width:23px;height:23px;flex:none;color:var(--accent)}#query{border:0;background:none;outline:none;width:100%;min-width:0;font-size:16px;height:100%}#query::-webkit-search-cancel-button{display:none}#clear{font-size:24px;line-height:1;padding:8px}kbd{white-space:nowrap;font:11px ui-monospace,monospace;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:4px 6px}.quick-search{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:12px;font-size:11px;color:var(--muted)}.quick-search>span{margin-right:4px}.quick-search button{border:1px solid var(--line);border-radius:20px;padding:2px 10px;font-size:11px}.quick-search button:hover{background:var(--soft);border-color:var(--accent);color:var(--accent)}.browse-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--ink);padding:19px 0 14px}.browse-bar>div:first-child{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.browse-bar h2{font-size:17px;margin:0;font-weight:600}#result-count{font-size:11px;color:var(--muted)}.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}select{font-size:12px;border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:6px 22px 6px 9px;max-width:190px}#all-terms{font-size:12px;color:var(--accent)}
.dictionary-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,.9fr);gap:30px;align-items:start}.results-column{min-width:0}#results{border-top:1px solid var(--line)}.term-row{position:relative;width:100%;display:block;text-align:left;padding:17px 35px 17px 14px;border-bottom:1px solid var(--line);border-left:2px solid transparent;transition:background .15s,border-color .15s;overflow-wrap:anywhere}.term-row:hover{background:var(--soft)}.term-row.selected{background:var(--soft);border-left-color:var(--accent)}.row-top{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.term-row strong{font-size:17px;line-height:1.45;font-weight:600}.row-zh{font-size:12px;color:var(--muted)}.row-summary{font-size:13px;line-height:1.75;margin-top:7px;display:block}.row-tags{display:block;font-size:10px;letter-spacing:.025em;color:var(--muted);margin-top:8px}.row-arrow{position:absolute;right:12px;top:19px;color:var(--accent);font-size:17px}.group-heading{font-size:12px;color:var(--accent);padding:19px 14px 9px;margin:0;background:var(--paper)}mark{color:inherit;background:color-mix(in srgb,var(--accent) 17%,transparent);border-radius:2px}.detail-column{position:sticky;top:96px;max-height:calc(100vh - 115px);overflow:auto;scrollbar-width:thin;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:25px 25px 24px;min-width:0}.detail-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}.detail-tools{display:flex;gap:7px}.detail-tools button{border:1px solid var(--line);border-radius:4px;padding:4px 9px;font-size:11px}.detail-tools button:hover{background:var(--soft)}.detail-title{font:600 29px/1.3 var(--serif);overflow-wrap:anywhere;margin:0 0 6px}.detail-zh{font-size:15px;color:var(--muted);margin:0 0 10px}.alias-line{font-size:11px;color:var(--muted);margin:0 0 21px;overflow-wrap:anywhere}.definition{font-size:17px;line-height:1.9;margin:21px 0;padding-left:15px;border-left:3px solid var(--accent)}.explanation{font-size:14px;line-height:1.95}.explanation p{margin:0 0 17px}.detail-section-title{font-size:12px;color:var(--muted);font-weight:500;margin:25px 0 12px}.related{display:flex;gap:7px;flex-wrap:wrap}.related button{font-size:12px;border:1px solid var(--line);border-radius:5px;padding:5px 9px}.related button:hover{background:var(--soft);color:var(--accent)}.source-links a{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:9px 0;font-size:12px;line-height:1.6;color:var(--accent)}.source-links a>span{overflow-wrap:anywhere}.source-links a:last-child{border:0}#more{display:block;border:1px solid var(--line);border-radius:5px;width:100%;margin-top:18px;padding:10px;font-size:13px}#more:hover{background:var(--soft)}.empty{padding:36px 14px}.empty h3{font:600 22px var(--serif)}.empty p{font-size:13px;color:var(--muted)}.empty button{border-bottom:1px solid var(--accent);color:var(--accent);font-size:13px;margin-right:15px}.welcome-detail h2{font:600 25px/1.5 var(--serif);margin:4px 0 17px}.welcome-detail p{font-size:14px;line-height:1.9;margin:12px 0 20px}.welcome-detail .detail-top{color:var(--accent)}.concept-chain{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:12px;padding:17px 0;margin:0 0 18px;border-block:1px solid var(--line)}.concept-chain button{padding:5px 8px;background:var(--soft);border-radius:4px;color:var(--accent)}.preview-article{border-top:1px solid var(--line);padding-top:19px;margin-top:25px}.preview-article h3{font:600 18px var(--serif);margin:0 0 12px}.preview-article p{font-size:14px}.inline-term{padding:0;border-bottom:1px dotted var(--accent);color:var(--accent);font:inherit}.preview-link{font-size:12px;color:var(--accent)}footer{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:35px;padding-top:20px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:9px 18px;border-radius:5px;font-size:13px;opacity:0;pointer-events:none;z-index:100}#toast.show{opacity:1}dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:28px;width:min(440px,calc(100vw - 30px));box-shadow:0 18px 80px #0002}dialog::backdrop{background:#15251955}#close-peek{position:absolute;right:12px;top:8px;font-size:22px}#peek-content h2{font:600 25px var(--serif);margin:10px 0}#peek-content p{font-size:15px;line-height:1.9}#peek-content button{color:var(--accent);padding:6px 0;border-bottom:1px solid var(--accent)}.copy-fallback{width:100%;margin:12px 0;padding:8px;background:var(--soft);border:1px solid var(--line);font-size:11px}
@media(min-width:1600px){#workspace{padding-right:65px;padding-left:60px}.dictionary-layout{gap:45px;grid-template-columns:minmax(0,1fr) minmax(360px,.85fr)}}
@media(max-width:1150px){:root{--side:200px}#workspace{padding-inline:25px}.dictionary-layout{gap:18px;grid-template-columns:minmax(0,1fr) minmax(290px,.95fr)}.detail-column{padding:20px}.term-row{padding-left:10px}.detail-title{font-size:25px}}
@media(max-width:950px){.dictionary-layout{display:block}.detail-column{display:none}.detail-column.open{display:block;position:fixed;inset:var(--header) 0 0 var(--side);max-height:none;z-index:35;border:0;border-radius:0;padding:25px 35px;overflow:auto;background:var(--paper)}.detail-column.open .detail-top{position:sticky;top:-25px;background:var(--paper);padding-top:15px;z-index:1}.detail-column.open .explanation{max-width:680px}.intro h1{font-size:37px}.browse-bar{align-items:flex-start}.filters{justify-content:flex-end}.row-top strong{font-size:18px}}
@media(max-width:700px){:root{--header:66px;--side:0px}.site-header{padding:0 18px;gap:14px}.brand img{width:34px;height:40px}.brand strong{font-size:12px}.brand>span>span{font-size:10px}.guide-link{font-size:11px}#menu{display:block;font-size:12px}.header-actions{gap:8px}#theme{width:30px;height:30px}#categories{width:265px;transform:translateX(-101%);transition:transform .18s}.nav-open #categories{transform:translateX(0);z-index:60}.nav-open #shade{display:block;position:fixed;inset:var(--header) 0 0;background:#11221660;z-index:55;width:100%}#workspace{margin:0;padding:91px 20px 24px}.intro h1{font-size:32px;margin-top:12px}.eyebrow{font-size:9px;letter-spacing:.055em}.intro p{font-size:13px;margin-bottom:20px}#search-form{height:53px;gap:10px;padding-inline:13px}#search-form kbd{display:none}.quick-search{gap:6px;font-size:10px}.quick-search button{font-size:10px;padding-inline:8px}.quick-search>span{display:none}.search-area{margin-bottom:25px}.browse-bar{padding:15px 0 12px;gap:8px;flex-wrap:wrap}.browse-bar h2{font-size:16px}.browse-bar>div:first-child{gap:8px}.filters{gap:6px}select{font-size:11px;max-width:158px}.term-row{padding:16px 27px 16px 9px}.row-summary{font-size:13px}.term-row strong{font-size:17px}.row-zh{font-size:12px}.detail-column.open{left:0;padding:20px 23px 35px}.detail-column.open .detail-top{top:-20px}.detail-title{font-size:32px}.definition{font-size:18px}.explanation{font-size:15px}.detail-section-title{font-size:13px}.source-links a{font-size:13px}.related button{font-size:13px}.detail-tools button{font-size:12px;padding:6px 10px}#toast{max-width:90%;white-space:nowrap}body.detail-open{overflow:hidden}.welcome-detail{display:none}.group-heading{padding-top:18px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

:root{--paper:#f5f1e8;--surface:#fbf8f1;--soft:#ece6da;--ink:#171713;--muted:#68665f;--line:#d6d0c5;--accent:#315ee8}html[data-theme=dark]{--paper:#141414;--surface:#1a1a18;--soft:#252522;--ink:#f3efe7;--muted:#aaa69d;--line:#42423c;--accent:#7294ff}.brand strong{font:600 25px var(--serif)}