@charset "UTF-8";
:root{--ink:#253b32;--muted:#748078;--green:#2e6a55;--line:#e5e9e3;--paper:#f6f8f5;--soft:#e8efe7}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}a{color:var(--green)}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.symbols{position:absolute;width:0;height:0}.skip{position:fixed;top:-60px;z-index:99;background:white;padding:12px}.skip:focus{top:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #85b9a3;outline-offset:3px}.sidebar{width:242px;position:fixed;inset:0 auto 0 0;background:#fbfcfa;border-right:1px solid var(--line);padding:38px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:25px;font-weight:650;letter-spacing:2px;margin:0 10px 48px}.brand-icon{background:#245a46;color:white;border-radius:12px;width:42px;height:46px;display:grid;place-items:center}.brand-icon svg{width:25px;height:25px}.brand-sub{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);font-weight:500;margin-top:1px}.side-label{font-size:11px;color:#919a91;letter-spacing:1.5px;margin:0 12px 13px}.nav-button{width:100%;border:0;background:transparent;display:flex;align-items:center;gap:12px;text-align:left;padding:13px 14px;border-radius:8px;margin-bottom:7px;font-weight:550}.nav-button span{margin-left:auto;font-size:11px;opacity:.7}.nav-button.active{background:#e9efe6;color:#315b40}.nav-button:hover{background:#f0f3ec}.topics-label{margin-top:35px}#side-categories button{display:flex;gap:9px;align-items:center;width:100%;text-align:left;border:0;background:none;padding:12px 10px;font-size:12px;color:#6b786e;border-radius:8px}#side-categories button:hover,#side-categories button.active{background:#edf1eb;color:#294f3c}.category-dot{width:7px;height:7px;border-radius:50%;background:var(--cat-color,#88a786);flex-shrink:0}.sidebar-bottom{margin-top:auto;font-size:10px;color:#8a958d;line-height:2}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#8ba289;margin-right:5px}.source-link{border:0;background:none;color:#6f7d70;display:block;padding:12px 0 0;font-size:11px}main{margin-left:242px;padding:0 48px;max-width:1600px}.topbar{height:83px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#839086}.topbar strong{font-weight:500;color:#546458}.slash{margin:0 14px;color:#c6cdc3}.top-tag{font-size:11px;border:1px solid #dce4d9;border-radius:30px;padding:5px 13px;color:#657762}.intro{padding:47px 0 37px;display:flex;justify-content:space-between;align-items:center;min-height:242px}.eyebrow{font-size:9px;font-weight:600;letter-spacing:2px;color:#7a8b76;display:flex;align-items:center;gap:8px}.eyebrow>span{width:5px;height:5px;border-radius:50%;background:#739579}.intro h1{font-size:36px;letter-spacing:-1.5px;font-weight:620;margin:14px 0 10px;line-height:1.4}.intro h1 span{color:#718c6d}.intro p{font-size:13px;color:#889285;margin:0 0 22px}.stats{display:flex;gap:7px;align-items:center;font-size:11px;color:#899285}.stats b{font-size:13px;font-weight:600;color:#506349}.stats i{height:10px;width:1px;background:#d5dfd1;margin:0 9px}.intro-art{height:150px;width:215px;position:relative;display:grid;place-items:center;margin-right:16px}.orbit{position:absolute;border:1px solid #dce5d5;border-radius:50%;width:205px;height:105px;transform:rotate(-28deg)}.orbit-two{transform:rotate(38deg);width:175px;height:130px;border-style:dashed}.art-card{width:110px;height:120px;background:#edf1e7;box-shadow:0 8px 25px #3f5d3210;border:1px solid #dfe7d9;border-radius:15px;display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(-9deg)}.art-card span{font:55px Georgia,serif;color:#68845c}.art-card small{font-size:7px;color:#8a9b7d}.art-badge{position:absolute;bottom:13px;right:22px;background:#fff;border:1px solid #e3e9dc;box-shadow:0 3px 10px #3f5d3208;border-radius:10px;padding:8px 15px;color:#729369;font-family:serif;font-size:24px;transform:rotate(10deg)}.workspace{padding-bottom:10px}.search-row{display:flex;gap:12px}.search{height:52px;border:1px solid #dce3d9;background:white;border-radius:9px;display:flex;align-items:center;gap:12px;padding:0 17px;flex:1;box-shadow:0 2px 5px #20301a02;min-width:0}.search svg{color:#8c9988;width:19px}.search input{width:100%;background:transparent;border:0;outline:none;font-size:13px;min-width:0;color:var(--ink)}.search input::placeholder{color:#9ba397}.search:focus-within{border-color:#8cae92;box-shadow:0 0 0 3px #a4bda316}.search kbd{border:1px solid #e6eae3;border-radius:4px;padding:0 6px;color:#a2aaa0;font-size:11px}.save-filter{border:1px solid #dce3d9;background:#fff;border-radius:9px;display:flex;align-items:center;gap:8px;padding:0 17px;color:#63775e;font-size:12px}.save-filter b{font-size:10px;background:#eff3eb;padding:0 5px;border-radius:4px;font-weight:500}.save-filter[aria-pressed=true]{background:var(--soft);border-color:#a4b69b}.chips{display:flex;gap:8px;margin:22px 0 30px;overflow:auto;padding:2px 0 6px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{white-space:nowrap;border:1px solid #e2e7dd;border-radius:6px;background:transparent;padding:6px 12px;color:#7b8875;font-size:11px}.chip.active{background:#365e45;color:white;border-color:#365e45}.chip:hover:not(.active){background:#ecf0e7}.list-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.list-heading h2{font-size:16px;font-weight:600;margin:0}.list-heading h2 span{font-size:11px;color:#899581;font-weight:400;margin-left:8px}.sort-label{font-size:11px;color:#a1aa99}.sort-label select{margin-left:5px;border:0;background:transparent;color:#697861;font-size:11px;max-width:115px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.card{background:#fff;border:1px solid #e2e7de;border-radius:11px;padding:22px 23px 17px;display:flex;flex-direction:column;min-height:248px;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:0 7px 24px #34452a08;transform:translateY(-2px)}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;gap:8px}.category-label{display:flex;align-items:center;gap:6px;font-size:10px;color:#819176;letter-spacing:.2px}.icon-button{background:none;border:0;display:grid;place-items:center;width:36px;height:36px;border-radius:7px;color:#a9b2a1;flex-shrink:0}.icon-button:hover{background:#f1f5ed;color:var(--green)}.icon-button.saved{color:#b29450}.icon-button.saved svg{fill:#efe3c5}.card-top .icon-button{width:28px;height:28px;margin:-5px -6px -5px 0}.card-top .icon-button svg{width:17px;height:17px}.term-title{margin:0 0 5px;font-size:18px;font-weight:620;line-height:1.4;letter-spacing:-.3px}.speak-title{background:none;border:0;padding:0;text-align:left;font:inherit;color:#2c4637;line-height:inherit;overflow-wrap:anywhere}.speak-title:hover{color:#648760}.speak-title svg{width:16px;height:16px;color:#94a48a;vertical-align:middle;margin-left:8px}.chinese{font-size:12px;color:#8a967f;margin-bottom:12px}.summary{font-size:12px;color:#77816f;line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 17px}.card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #eff2eb;padding-top:12px;margin-top:auto}.card-index{font:9px ui-monospace,SFMono-Regular,monospace;color:#a7b09e;letter-spacing:1px}.detail-button{border:0;background:none;font-size:11px;padding:3px 0 3px 12px;color:#708267;display:flex;align-items:center;gap:6px}.detail-button svg{width:14px;height:14px}.empty{grid-column:1/-1;text-align:center;padding:70px 20px;color:#8b9780;border:1px dashed #d9e2d1;border-radius:12px;background:#fcfdfb}.empty h3{color:#516747;margin:0 0 9px}.empty button{margin-top:12px;padding:8px 18px;border:1px solid #c7d5c0;border-radius:7px;background:white}#saved-note{font-size:12px;color:#8b957f;margin:-4px 0 20px}footer{display:flex;justify-content:space-between;font-size:10px;color:#9ba590;margin:30px 0 20px;gap:20px}dialog{border:1px solid #dce4d6;border-radius:18px;background:#fcfdfb;color:var(--ink);width:min(630px,calc(100% - 32px));max-height:90dvh;padding:28px 34px;box-shadow:0 25px 100px #17221b30}dialog::backdrop{background:#20342650;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}dialog h2{font-size:29px;line-height:1.4;margin:0 0 8px;overflow-wrap:anywhere}dialog .chinese{font-size:17px;margin-bottom:24px}dialog h3{font-size:11px;letter-spacing:1px;color:#7c9070;margin:24px 0 8px}dialog p{font-size:14px;line-height:1.9;color:#66775c;margin:8px 0}.english-definition{font-family:Georgia,serif;font-size:18px!important;line-height:1.75!important;color:#47613c!important}.definition-block{padding:17px 22px;background:#edf2e8;border-radius:10px;margin:20px 0}.definition-block h3{margin:0 0 6px;font-size:9px}.dialog-save{display:flex;gap:8px;align-items:center;border:1px solid #cfdcc7;background:white;border-radius:8px;padding:10px 18px;font-size:12px;margin-top:25px}.dialog-save.saved{background:#edf1e5}.dialog-save svg{width:16px;height:16px}.source-caption{font-size:10px!important;color:#a2ad98!important;border-top:1px solid #e5ebdf;padding-top:15px;margin-top:24px!important}.reference{display:block;padding:12px 0;border-bottom:1px solid #e4eadc;text-decoration:none;font-size:13px}.reference span{display:block;font-size:11px;color:#8c9a80}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:#304b39;color:#fff;font-size:12px;padding:11px 20px;border-radius:9px;box-shadow:0 6px 25px #20312222;opacity:0;pointer-events:none;transition:.2s;z-index:30;max-width:calc(100% - 32px);text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1500px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1100px){.sidebar{width:214px;padding:32px 15px}main{margin-left:214px;padding:0 30px}.intro-art{width:150px;margin-right:0;transform:scale(.85)}.intro h1{font-size:32px}.card{padding:19px}.chips{margin-bottom:24px}}@media(max-width:800px){.sidebar{position:relative;width:auto;padding:18px 22px;border-right:0;border-bottom:1px solid var(--line);display:block}.brand{margin:0;font-size:21px;gap:10px}.brand-icon{width:34px;height:37px;border-radius:9px}.brand-icon svg{width:21px}.brand-sub{font-size:7px}.side-label,.main-nav,#side-categories,.sidebar-bottom{display:none}main{margin:0;padding:0 22px}.topbar{display:none}.intro{padding:32px 0 27px;min-height:0}.intro h1{font-size:31px;margin-top:12px}.intro p{font-size:12px;margin-bottom:17px}.eyebrow{font-size:8px;letter-spacing:1.4px}.intro-art{width:120px;height:110px;transform:scale(.72);margin-right:-10px}.stats{font-size:10px;gap:5px}.stats i{margin:0 5px}.stats b{font-size:12px}.search-row{gap:8px}.search{padding:0 13px;height:49px}.search input{font-size:12px}.search kbd{display:none}.save-filter{padding:0 12px}.save-filter span{display:none}.save-filter svg{width:18px}.chips{margin:17px -22px 20px;padding:2px 22px 7px}.list-heading{margin-bottom:15px}.cards{gap:12px}.card{padding:18px;min-height:245px}.term-title{font-size:17px}footer{font-size:9px}.top-tag{display:none}dialog{padding:23px}.intro-art .orbit{width:170px}}
@media(max-width:540px){.intro-art{display:none}.cards{grid-template-columns:1fr}.card{min-height:0;padding:18px 20px}.card-top{margin-bottom:11px}.term-title{font-size:20px}.summary{margin-bottom:15px;font-size:12px}.chinese{margin-bottom:10px}.card-footer{padding-top:10px}.card-index{font-size:9px}.intro h1{font-size:32px}.list-heading h2{font-size:15px}dialog h2{font-size:25px}.stats{white-space:nowrap}.sidebar{padding-top:16px;padding-bottom:16px}footer{flex-direction:column;gap:3px}#toast{bottom:22px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.card:hover{transform:none}}
#about-mobile{display:none}@media(max-width:800px){#about-mobile{display:block;padding:3px 0;text-align:left}.search input{font-size:16px}.search input::placeholder{font-size:12px}.card-top .icon-button{width:40px;height:40px;margin:-10px -10px -10px 0}.card-top .icon-button svg{width:19px;height:19px}.detail-button{min-height:35px}.summary{font-size:14px;line-height:1.8}.chinese{font-size:13px}.category-label{font-size:11px}.chip{font-size:12px;padding:8px 12px}}
.account-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 14px;font-size:11px;color:#74856b}.account-bar button{border:1px solid #d7e2cf;border-radius:7px;background:#fff;color:#416435;padding:7px 13px;font-size:12px;flex-shrink:0}.account-tabs{display:flex;gap:8px;margin:22px 0}.account-tabs button{background:none;border:1px solid #dce4d6;padding:8px 17px;border-radius:8px;font-size:13px}.account-tabs button[aria-pressed=true]{background:#365e45;color:white;border-color:#365e45}#account-form label{display:block;margin:17px 0;color:#52674b;font-size:13px}#account-form input{display:block;width:100%;border:1px solid #d4dfce;border-radius:8px;background:white;padding:12px 13px;margin-top:7px;color:#243c2b;font-size:16px}#account-form label[hidden],[hidden]{display:none!important}.primary-button{border:0;border-radius:8px;padding:12px 20px;background:#365e45;color:white;width:100%;margin-top:10px;font-size:14px}.secondary-button{border:1px solid #d4dfce;border-radius:8px;padding:10px 16px;background:white;color:#526c46;margin:18px 8px 0 0;font-size:13px}button:disabled{cursor:wait;opacity:.55}.auth-hint{font-size:12px!important;color:#86947d!important}#auth-message{font-size:13px;color:#a14b35;min-height:0}#auth-message:empty{display:none}#recovery-code{display:block;background:#edf2e8;border:1px solid #dae5d2;border-radius:8px;padding:15px;font-size:15px;overflow-wrap:anywhere;user-select:all}#merge-panel{padding:15px;background:#f0f4eb;border-radius:9px;margin-top:20px}#merge-panel p{font-size:13px;margin:0 0 9px}@media(max-width:540px){.account-bar{font-size:10px;margin-bottom:13px}.account-bar button{min-height:38px}.account-tabs button{padding:8px 13px}.intro{padding-bottom:20px}}