.membership-card{color:#71675c;border-top:1px solid #eee1cf;margin:18px 0 0;padding:14px 0 0;font-size:13px}.membership-card b{color:#51473c;font-size:14px}.membership-card p{margin:5px 0}.text-button{color:#477a4d;background:0 0;border:0;padding:0;font-size:13px;font-weight:700}.text-button:hover{text-decoration:underline}html[data-theme=dark] .membership-card{color:#c9d4c5;border-color:#4a6652}html[data-theme=dark] .membership-card b{color:#f6efdf}html[data-theme=dark] .text-button{color:#9bd39f}.admin-workspace{max-width:1280px;margin:0 auto;padding:4px 0 28px}.admin-workspace-head{justify-content:space-between;align-items:flex-end;gap:24px;margin:0 0 22px;display:flex}.admin-workspace-head h1{margin:3px 0 6px;font-size:34px}.admin-workspace-head p:not(.eyebrow){color:#756b5e;margin:0}.admin-back{color:#4d7d51;font-size:13px;font-weight:700}.editor-state{justify-items:end;gap:8px;display:grid}.editor-state small{color:#85796b;font-size:12px}.admin-toolbar{background:#fffdf8;border:1px solid #e6d9c6;border-radius:14px;flex-wrap:wrap;align-items:end;gap:10px;padding:14px 16px;display:flex}.admin-toolbar label{color:#716558;gap:5px;font-size:12px;font-weight:700;display:grid}.admin-toolbar input,.admin-toolbar select{color:#40392f;background:#fffaf3;border:1px solid #d9cbb6;border-radius:8px;min-width:150px;height:38px;padding:0 10px}.admin-search{flex:1;min-width:240px}.admin-search input{width:100%}.admin-toolbar .text-button{margin:0 4px 8px}.admin-list-meta{color:#756c60;align-items:baseline;gap:8px;margin:18px 2px 10px;font-size:13px;display:flex}.admin-list-meta b{color:#377143;font-size:21px}.admin-list-meta span{margin-left:auto}.admin-card-list{background:#fffdf8;border:1px solid #e6d9c6;border-radius:14px;overflow:hidden}.admin-card-row{border-bottom:1px solid #efe4d4;grid-template-columns:54px minmax(0,1fr) auto auto auto;align-items:center;gap:14px;padding:13px 16px;display:grid}.admin-card-row:last-child{border-bottom:0}.admin-card-row:hover{background:#fffbf4}.admin-card-index{color:#4e7b51;text-align:center;background:#ebf4e7;border-radius:6px;padding:5px 6px;font-size:12px;font-weight:700}.admin-card-content{gap:4px;min-width:0;display:grid}.admin-card-content b{color:#3d362f;white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.admin-card-content small{color:#8a7c6c;white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.status-pill{color:#80613b;background:#f5ead5;border-radius:999px;justify-content:center;align-items:center;min-width:52px;padding:4px 9px;font-size:12px;font-weight:700;display:inline-flex}.status-pill.published{color:#35703f;background:#e7f3e5}.status-pill.archived{color:#776e64;background:#eee9e2}.admin-card-order{color:#897d70;white-space:nowrap;font-size:12px}.admin-edit-link{font-size:13px;padding:7px 11px!important}.admin-empty{text-align:center;color:#85796b;padding:36px}.admin-pagination{color:#746a5d;justify-content:center;align-items:center;gap:12px;margin-top:18px;font-size:13px;display:flex}.admin-pagination .btn{padding:8px 13px}.editor-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:20px;display:grid}.editor-main{gap:18px;display:grid}.editor-panel{background:#fffdf8;border:1px solid #e6d9c6;border-radius:14px;padding:20px}.panel-title{align-items:flex-start;gap:10px;margin-bottom:17px;display:flex}.panel-title>span{color:#3f7547;background:#eaf3e6;border-radius:9px;place-items:center;min-width:31px;height:31px;font-size:12px;font-weight:800;display:grid}.panel-title h2{color:#40392f;margin:0;font-size:18px}.panel-title p{color:#887b6c;margin:2px 0 0;font-size:12px;line-height:1.55}.field-label{color:#544a3d;gap:6px;font-size:13px;font-weight:700;display:grid}.field-label input,.field-label select,.field-label textarea{color:#3f382f;width:100%;font:inherit;background:#fffaf3;border:1px solid #d9cbb6;border-radius:8px;outline-color:#4f8558;padding:10px;font-weight:400}.field-label textarea{resize:vertical;min-height:96px;line-height:1.55}.field-large textarea{min-height:126px}.option-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin-top:15px;display:grid}.option-field{background:#fffaf3;border:1px solid #eadfce;border-radius:9px;grid-template-columns:52px minmax(0,1fr);align-items:center;display:grid;overflow:hidden}.option-field span{color:#745a38;background:#f6ecd9;place-items:center;height:100%;font-size:12px;font-weight:800;display:grid}.option-field input{background:0 0;border:0;border-radius:0}.option-field.optional{grid-column:span 2;max-width:calc(50% - 5px)}.answer-picker{border:1px solid #e1d3bf;border-radius:9px;flex-wrap:wrap;align-items:center;gap:7px;margin:16px 0 0;padding:10px 12px;display:flex}.answer-picker legend{color:#665747;padding:0 4px;font-size:13px;font-weight:700}.answer-picker button{color:#655443;background:#fffdfa;border:1px solid #d8c7af;border-radius:7px;min-width:34px;height:32px;font-weight:800}.answer-picker button.selected{color:#32713d;background:#e7f3e4;border-color:#548b5b}.answer-picker button:disabled{opacity:.38}.editor-tip{color:#6f735e;background:#f4f6ed;border-radius:8px;margin:14px 0 0;padding:11px 12px;font-size:13px;line-height:1.6}.editor-two-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:14px;display:grid}.editor-sidebar{position:sticky;top:92px}.publishing-panel{gap:14px;display:grid}.publishing-panel .panel-title{margin-bottom:1px}.editor-details{border-top:1px solid #ebe0d1;padding-top:12px}.editor-details summary{cursor:pointer;color:#566e51;font-size:13px;font-weight:700}.editor-details .field-label{margin-top:12px}.editor-details small{color:#887c6d;font-size:11px;font-weight:400}.image-panel .card-image-uploader{margin:0}.image-status{color:#6d7869;flex-wrap:wrap;gap:14px;margin-top:11px;font-size:12px;display:flex}.editor-savebar{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#776a5c;background:#fffdf8f5;border:1px solid #d7c6ad;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin-top:18px;padding:12px 14px;font-size:12px;display:flex;position:sticky;bottom:12px;box-shadow:0 8px 24px #4d3c271f}.editor-savebar .form-message{margin:0}.editor-save-actions{align-items:center;gap:8px;display:flex}.editor-save-actions .btn{white-space:nowrap;padding:9px 14px}@media (width<=900px){.editor-layout{grid-template-columns:1fr}.editor-sidebar{position:static}.admin-workspace-head{flex-direction:column;align-items:flex-start}.editor-state{justify-items:start}.editor-savebar{flex-direction:column;align-items:flex-start;bottom:8px}.admin-card-row{grid-template-columns:48px minmax(0,1fr) auto}.admin-card-order{display:none}.admin-edit-link{grid-column:3}.status-pill{grid-area:1/3}}@media (width<=620px){.admin-workspace-head h1{font-size:28px}.option-grid,.editor-two-fields{grid-template-columns:1fr}.option-field.optional{grid-column:auto;max-width:none}.admin-toolbar{align-items:stretch}.admin-toolbar .btn{width:100%}.admin-toolbar .text-button{width:auto}.admin-card-row{grid-template-columns:44px minmax(0,1fr);gap:10px;padding:12px}.admin-card-row .status-pill{grid-area:auto/2;justify-self:start}.admin-edit-link{grid-column:2;justify-self:start}.admin-list-meta span{display:none}.editor-panel{padding:15px}.editor-save-actions{flex-wrap:wrap;width:100%}.editor-save-actions .btn{flex:1}}html[data-theme=dark] .admin-toolbar,html[data-theme=dark] .admin-card-list,html[data-theme=dark] .editor-panel,html[data-theme=dark] .editor-savebar{color:#f6efdf;background:#22342a;border-color:#4a6652}html[data-theme=dark] .admin-workspace-head p:not(.eyebrow),html[data-theme=dark] .panel-title p,html[data-theme=dark] .admin-card-content small,html[data-theme=dark] .editor-state small{color:#bdcbb9}html[data-theme=dark] .admin-card-row{border-color:#405842}html[data-theme=dark] .admin-card-row:hover{background:#29402f}html[data-theme=dark] .admin-card-content b,html[data-theme=dark] .panel-title h2,html[data-theme=dark] .field-label{color:#f6efdf}html[data-theme=dark] .admin-toolbar input,html[data-theme=dark] .admin-toolbar select,html[data-theme=dark] .field-label input,html[data-theme=dark] .field-label select,html[data-theme=dark] .field-label textarea,html[data-theme=dark] .option-field{color:#f6efdf;background:#192a21;border-color:#4a6652}html[data-theme=dark] .option-field span{color:#e0ebd7;background:#334833}html[data-theme=dark] .answer-picker,html[data-theme=dark] .editor-details{border-color:#4a6652}html[data-theme=dark] .answer-picker button{color:#e5eddc;background:#263b2e;border-color:#587260}html[data-theme=dark] .editor-tip{color:#cddbc8;background:#2c3c2d}html[data-theme=dark] .status-pill.published{color:#cdeccf;background:#285338}html[data-theme=dark] .status-pill.archived{color:#dfdfd7;background:#41463f}:root{color:#302b25;font-synthesis:none;background:#fbf7ef;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;line-height:1.55}*{box-sizing:border-box}body{background:radial-gradient(circle at 15% 5%,#fffdf7 0,#0000 27%),#fbf7ef;min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.page{max-width:1180px;margin:auto;padding:40px 28px 70px}header{z-index:10;background:#fcf9f2;border-bottom:1px solid #e9e0d1;align-items:center;gap:36px;height:72px;padding:0 max(28px,50vw - 590px);display:flex;position:sticky;top:0}.brand{white-space:nowrap;align-items:center;gap:8px;display:flex}.brand b{color:#191713;font-family:STKaiti,KaiTi,serif;font-size:25px}.brand em{color:#716a60;font-size:12px;font-style:normal}.brand-mark{color:#fff;background:#3f7547;border:2px solid #d8c497;border-radius:50%;place-items:center;width:31px;height:31px;font-weight:900;display:grid}nav{gap:26px;margin-left:auto;display:flex}nav a{color:#4b453e;border-bottom:2px solid #0000;padding:7px 0;font-size:14px}nav a.active{color:#367144;border-color:#367144;font-weight:700}.member,.btn{border:0;border-radius:10px;justify-content:center;align-items:center;gap:7px;padding:11px 19px;font-weight:700;display:inline-flex}.member{color:#5b3914;background:#f7d79d;padding:8px 17px}.hero{grid-template-columns:1.05fr .95fr;align-items:center;gap:30px;min-height:336px;display:grid}.eyebrow{color:#54805b;letter-spacing:.08em;margin:0 0 7px;font-size:13px;font-weight:700}.hero h1,.page-intro h1,.settings>h1{letter-spacing:.04em;color:#211d18;margin:0 0 14px;font-family:STKaiti,KaiTi,serif;font-size:44px;line-height:1.25}.hero h1 strong{color:#b14531}.lead{color:#655d54;max-width:430px;margin-bottom:24px}.actions{flex-wrap:wrap;gap:12px;display:flex}.primary{color:#fff;background:#3f7e4c;box-shadow:0 5px 12px #477a4930}.ghost{color:#4b3b29;background:#fffaf1;border:1px solid #d9c5a2}.hero-stack{height:300px;position:relative}.hero-card{background:#fff9ed;border:1px solid #8c7458;border-radius:13px;flex-direction:column;gap:8px;width:218px;min-height:260px;padding:14px;display:flex;position:absolute;transform:rotate(-5deg);box-shadow:4px 7px #e3d7c480}.hero-card.c0{z-index:3;left:18px}.hero-card.c1{z-index:2;top:26px;left:155px;transform:rotate(3deg)}.hero-card.c2{z-index:1;top:43px;left:277px;transform:rotate(7deg)}.hero-card>span,.badge{color:#fff;background:#4b8053;border-radius:5px;align-self:flex-start;padding:2px 7px;font-size:12px;font-weight:700}.hero-card b{font-size:14px}.card-art{color:#4c4132;border:1px solid #d7caae;border-radius:9px;place-items:center;height:151px;display:grid;position:relative;overflow:hidden}.card-art span{filter:sepia(.25);z-index:1;font-size:66px}.card-art small{font-family:STKaiti,KaiTi,serif;font-size:17px;font-weight:700;position:absolute;bottom:10px;left:12px}.card-art i{opacity:.14;font-size:90px;font-style:normal;position:absolute;top:10px;right:-10px}.card-art.compact{flex:none;width:84px;height:66px}.compact span{font-size:32px}.compact small{font-size:10px;bottom:3px;left:6px}.stats-strip{background:#fffaf1;border:1px solid #e5dac9;border-radius:14px;grid-template-columns:repeat(4,1fr);margin:28px 0 42px;padding:18px;display:grid}.stats-strip>div{justify-content:center;align-items:center;gap:13px;display:flex}.stat-icon{color:#4d7a51;background:#e6f0e1;border-radius:50%;place-items:center;width:46px;height:46px;font-size:23px;display:grid}.i1{color:#bb742c;background:#fff0d6}.i2{color:#39798a;background:#e2eff0}.i3{color:#e8a93b;background:#fff1d5}.stats-strip p{color:#71695d;margin:0;font-size:13px}.stats-strip b{color:#26211b;font-size:22px;display:block}.section-title{justify-content:space-between;align-items:center;margin-bottom:13px;display:flex}.section-title h2,.chart-card h2,.progress-section h2{margin:0;font-size:20px}.section-title a{color:#645d52;align-items:center;font-size:13px;display:flex}.topic-grid{grid-template-columns:repeat(6,1fr);gap:15px;display:grid}.topic{text-align:center;background:#fffaf1;border:1px solid #ebdfcc;border-radius:12px;padding:11px;transition:transform .18s}.topic:hover,.library-item:hover{border-color:#b9cba9;transform:translateY(-2px)}.topic .card-art{border:0;height:90px}.topic .card-art span{font-size:43px}.topic .card-art small{display:none}.topic b,.topic small{display:block}.topic b{margin-top:8px}.topic small{color:#746c61;font-size:12px}.today-preview{background:#f5ecdc;border:1px solid #e3d3b9;border-radius:15px;justify-content:space-between;align-items:center;margin-top:38px;padding:25px 30px;display:flex}.today-preview h2{margin:0;font-family:STKaiti,KaiTi,serif;font-size:26px}.task-counts{color:#685f55;gap:22px;margin-top:10px;font-size:14px;display:flex}.task-counts b{color:#2f2a24;font-size:19px}.page-intro{justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px;display:flex}.page-intro h1{margin:0;font-size:34px}.page-intro p:not(.eyebrow){color:#71685c;margin:7px 0 0}.search{background:#fffdf8;border:1px solid #e4dacb;border-radius:22px;align-items:center;gap:8px;width:245px;padding:9px 13px;display:flex}.search input{background:0 0;border:0;outline:0;width:100%;font-size:14px}.filters{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.filters span{flex:1}.filters button,.setting-controls button{color:#645b4e;background:#fffaf2;border:1px solid #dfd3bf;border-radius:18px;padding:6px 12px;font-size:13px}.filters button.selected,.setting-controls button.selected{color:#376b40;background:#e4efdf;border-color:#b8d0ae;font-weight:700}.library-list{gap:10px;display:grid}.library-item{background:#fffdf8;border:1px solid #e8dece;border-radius:12px;align-items:center;gap:14px;padding:11px 14px;transition:all .18s;display:flex}.library-item>div{flex:1;min-width:0}.library-item h3{margin:5px 0 2px;font-size:16px}.library-item p{color:#786f63;margin:0;font-size:12px}.library-item aside{text-align:right;gap:4px;display:grid}.library-item aside b{color:#4d8255;font-size:13px}.library-item aside small{color:#8a8176;font-size:12px}.badge.历史{background:#a16c3b}.badge.人文{background:#4c7c55}.badge.科技{background:#4d8492}.badge.地理{background:#708a58}.badge.经济{background:#b0763e}.badge.政治{background:#b24a3a}.badge.趣味{background:#9a7446}.study-layout{grid-template-columns:255px 1fr;align-items:start;gap:25px;display:grid}.study-aside{background:#fffaf1;border:1px solid #e8dcc8;border-radius:14px;padding:22px;position:sticky;top:94px}.study-aside h2{margin:0 0 17px;font-family:STKaiti,KaiTi,serif}.study-aside p{color:#756c60;font-size:13px}.study-aside>a{color:#46764c;align-items:center;gap:5px;font-size:13px;display:flex}.ratio{font-size:14px}.ratio b{color:#377244;font-size:30px}.progress{background:#e9e6de;border-radius:9px;height:6px;margin:12px 0;overflow:hidden}.progress i{border-radius:inherit;background:#4c8958;height:100%;display:block}.study-card{text-align:center;background:#fffdf8;border:1px solid #dcccb2;border-radius:15px;min-height:580px;padding:25px 32px;position:relative}.card-top{justify-content:space-between;display:flex}.fav,.fav-label{color:#a59a8d;background:0 0;border:0;padding:5px}.fav.active,.fav-label.active{color:#b74736}.study-card h1{margin:20px auto 18px;font-family:STKaiti,KaiTi,serif;font-size:31px}.study-card>.card-art{max-width:480px;height:230px;margin:0 auto 16px}.study-card>.card-art span{font-size:102px}.reveal{color:#8a7e6d;background:0 0;border:0;padding:10px;font-size:14px;text-decoration:underline}.answer-panel{text-align:left;background:#fffbf4;border-top:1px dashed #dfc9a5;max-width:550px;margin:4px auto 15px;padding:4px 16px}.answer-panel p,.detail-body p{color:#5e554a;gap:5px;display:grid}.answer-panel b,.detail-body b{color:#9a6337;font-size:13px}.rating{grid-template-columns:repeat(3,1fr);gap:11px;max-width:570px;margin:16px auto 4px;display:grid}.rating button{color:#9d3e32;background:#f4dfd4;border:0;border-radius:10px;place-items:center;gap:2px;padding:11px;font-weight:700;display:grid}.rating button:nth-child(2){color:#8d6723;background:#f9e3ae}.rating button:nth-child(3){color:#397744;background:#dcebd7}.rating small{color:inherit;font-size:11px;font-weight:400}.hint{color:#958b7e;font-size:11px}.summary{text-align:center;background:#fffdf8;border:1px solid #e4d7c5;border-radius:17px;max-width:650px;margin:60px auto;padding:45px}.summary h1{margin:10px 0 0;font-family:STKaiti,KaiTi,serif;font-size:35px}.seal{color:#4b7e4e;border:2px solid #4b7e4e;border-radius:50%;place-items:center;width:58px;height:58px;font-weight:700;display:inline-grid;transform:rotate(-10deg)}.summary-grid,.metric-grid{grid-template-columns:repeat(4,1fr);gap:10px;margin:30px 0;display:grid}.summary-grid b,.metric-grid>div{color:#3b7044;background:#f8f0e4;border-radius:10px;padding:16px;font-size:26px}.summary-grid small,.metric-grid small{color:#6b6258;margin-top:4px;font-size:12px;font-weight:400;display:block}.detail{max-width:880px;margin:auto}.back{color:#71675d;align-items:center;gap:6px;margin-bottom:15px;font-size:14px;display:inline-flex}.detail-head{background:#fffaf1;border:1px solid #e5d8c4;border-radius:15px;justify-content:space-between;align-items:center;gap:30px;padding:28px;display:flex}.detail-head h1{margin:12px 0;font-family:STKaiti,KaiTi,serif;font-size:34px}.detail-head .card-art{flex:none;width:260px}.fav-label{border:1px solid #e5d5bd;border-radius:8px;align-items:center;gap:6px;display:inline-flex}.detail-body{background:#fffdf8;border:1px solid #eee4d4;border-top:0;padding:15px 27px}.mistake-row,.favorite-row{align-items:center;gap:10px;display:flex}.mistake-row .library-item,.favorite-row .library-item{flex:1}.mistake-row>div{text-align:center;width:150px}.mistake-row>div b{color:#ab4b3d;font-size:13px;display:block}.mistake-row button{color:#4c7b50;background:0 0;border:0;margin-top:5px;font-size:13px}.chart-card,.progress-section{background:#fffdf8;border:1px solid #e8dece;border-radius:14px;margin-top:18px;padding:24px}.bar-chart{align-items:end;gap:14px;height:220px;padding:20px 4px 0;display:flex}.bar-chart>div{flex-direction:column;flex:1;justify-content:end;align-items:center;gap:8px;height:100%;display:flex}.bar-chart span{background:#5a8d5c;border-radius:7px 7px 2px 2px;width:min(42px,80%);min-height:5px}.bar-chart small{color:#776e61;font-size:12px}.progress-section{grid-template-columns:1fr 1.6fr;gap:35px;display:grid}.mastery{background:conic-gradient(#4e8758 calc(var(--p,0)*1%),#e7ecdf 0);text-align:center;border:14px solid #e1eadc;border-radius:50%;place-content:center;width:150px;height:150px;margin:17px;display:grid}.mastery b{color:#3f7749;font-size:28px}.mastery span{font-size:12px}.category-progress p{grid-template-columns:42px 1fr 38px;align-items:center;gap:8px;font-size:13px;display:grid}.category-progress .progress{margin:0}.settings{max-width:800px;margin:auto}.settings>h1{font-size:36px}.setting{border-bottom:1px solid #e5dccc;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;display:flex}.setting h2{margin:0;font-size:16px}.setting p{color:#786f63;margin:5px 0 0;font-size:13px}.setting-controls{flex-wrap:wrap;justify-content:end;gap:7px;display:flex}.setting-controls button{align-items:center;gap:5px;display:flex}.setting-controls .danger{color:#ad4439;border-color:#e1aea8}.toggle{background:#cfc9bd;border:0;border-radius:20px;width:45px;height:25px;padding:3px}.toggle i{background:#fff;border-radius:50%;width:19px;height:19px;transition:all .2s;display:block}.toggle.on{background:#528859}.toggle.on i{transform:translate(20px)}.empty{text-align:center;color:#746a5d;background:#fffdf8;border:1px dashed #d9c9b1;border-radius:16px;padding:60px 20px}.empty svg{color:#c69b53}.empty h2{margin:12px 0 3px;font-family:STKaiti,KaiTi,serif;font-size:28px}.empty p{margin:0 0 20px}.mobile-nav{display:none}@media (width<=850px){header{height:58px;padding:0 18px}.brand b{font-size:21px}.brand em,header nav,.member{display:none}.page{padding:25px 16px 85px}.hero{min-height:0;display:block}.hero h1{font-size:35px}.hero-stack{height:255px;margin-top:25px}.hero-card{width:170px;min-height:210px}.hero-card.c0{left:3%}.hero-card.c1{top:17px;left:28%}.hero-card.c2{top:30px;left:52%}.hero-card .card-art{height:115px}.stats-strip{grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0 32px}.stats-strip>div{justify-content:start}.topic-grid{grid-template-columns:repeat(3,1fr);gap:9px}.today-preview{padding:22px;display:block}.today-preview .btn{margin-top:17px}.study-layout{display:block}.study-aside{align-items:center;gap:14px;margin-bottom:14px;padding:15px;display:flex;position:relative;top:0}.study-aside .eyebrow{display:none}.study-aside h2{margin:0;font-size:20px}.study-aside p:last-of-type,.study-aside>a{display:none}.ratio{width:110px;margin-left:auto}.study-card{min-height:0;padding:20px 16px}.study-card h1{font-size:26px}.study-card>.card-art{height:200px}.detail-head{padding:20px;display:block}.detail-head .card-art{width:100%;height:180px;margin-top:17px}.detail-body{padding:14px 20px}.page-intro{align-items:start}.page-intro h1{font-size:29px}.search{width:160px}.filters span{display:none}.library-item{gap:10px;padding:10px}.library-item aside{display:none}.library-item h3{font-size:14px}.mistake-row>div{width:auto}.mistake-row>div b{display:none}.favorite-row>.fav{padding:8px}.metric-grid{grid-template-columns:repeat(2,1fr);margin:18px 0}.progress-section{grid-template-columns:1fr;gap:15px}.mastery{margin:15px auto}.setting{align-items:flex-start;display:block}.setting-controls{justify-content:start;margin-top:13px}.mobile-nav{z-index:20;background:#fffdf8;border-top:1px solid #e8ddcc;justify-content:space-around;height:63px;padding-top:7px;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav a{color:#756c61;place-items:center;gap:2px;font-size:11px;display:grid}.mobile-nav a.active{color:#3e7948;font-weight:700}.summary{margin:25px auto;padding:32px 17px}.summary-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=430px){.page{padding:20px 13px 80px}.hero h1{font-size:31px}.hero-card{width:154px}.hero-card.c1{left:25%}.hero-card.c2{left:49%}.hero-card b{font-size:12px}.topic{padding:7px}.topic b{font-size:13px}.stats-strip{padding:13px}.stats-strip b{font-size:18px}.stat-icon{width:38px;height:38px}.study-card h1{font-size:23px}.rating{gap:6px}.rating button{padding:9px 4px;font-size:13px}.rating svg{width:18px}.hint{font-size:10px}.page-intro{display:block}.search{width:100%;margin-top:14px}}.cloud-mode{color:#376b40;text-align:center;background:#e7f1e3;padding:5px 16px;font-size:12px}.cloud-mode.local{color:#7d5a25;background:#fff2d9}.account-link{white-space:nowrap;color:#4d704e;font-size:13px}.auth-page{max-width:510px;margin:45px auto;padding:0 18px}.auth-card{background:#fffdf8;border:1px solid #e6dac8;border-radius:16px;padding:30px;box-shadow:0 10px 30px #4a38240c}.auth-card h1{margin:0 0 8px;font-family:STKaiti,KaiTi,serif;font-size:32px}.auth-card>p{color:#71675c}.auth-card label{gap:6px;margin:14px 0;font-size:14px;font-weight:700;display:grid}.auth-card input{background:#fffaf2;border:1px solid #dccdb8;border-radius:8px;outline-color:#4f8558;padding:10px}.auth-card .btn{width:100%;margin:10px 0}.auth-card a{color:#41794a;margin-left:4px}.auth-card small{color:#85796b}.form-message{color:#78572c;background:#f8edd9;border-radius:8px;padding:9px 11px;font-size:13px}.merge-box{background:#f6fbf3;border:1px dashed #aabf9d;border-radius:10px;margin:16px 0;padding:14px}.admin-page{max-width:980px;margin:10px auto}.admin-page h1{font-family:STKaiti,KaiTi,serif;font-size:34px}.admin-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.admin-grid a{color:#3e7547;background:#fffdf8;border:1px solid #e5d8c4;border-radius:12px;padding:24px;font-weight:700}.table-wrap{background:#fffdf8;border:1px solid #e6d9c6;border-radius:10px;margin:18px 0;overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid #eee3d3;padding:9px}.import-summary,.usage{background:#fffaf1;border:1px solid #e5d8c4;border-radius:10px;margin:14px 0;padding:14px}.warn-text{color:#9b6d1c}.danger-text{color:#b64237}@media (width<=850px){.account-link{display:none}.admin-grid{grid-template-columns:1fr 1fr}.cloud-mode{font-size:11px}.auth-page{margin:20px auto}.auth-card{padding:22px}}.auth-card a.btn{margin-left:0}.auth-card a.btn.primary{color:#fff}.auth-card a.btn.ghost{color:#4b3b29}.card-art.has-image{background:#eee}.card-art.has-image img{object-fit:cover;width:100%;height:100%;display:block}.detail-head .card-art.has-image img,.study-card>.card-art.has-image img{object-fit:contain;object-position:center;background:#f6eedc}.admin-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.admin-heading h1{margin:0}.admin-form{background:#fffdf8;border:1px solid #e6d9c6;border-radius:12px;gap:15px;padding:22px;display:grid}.admin-form label{color:#4d443a;gap:6px;font-size:14px;font-weight:700;display:grid}.admin-form input,.admin-form select,.admin-form textarea{background:#fffaf2;border:1px solid #dccdb8;border-radius:8px;outline-color:#4f8558;width:100%;padding:10px}.admin-form textarea{resize:vertical;min-height:96px}.admin-form input[type=checkbox]{width:auto}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.inline-controls{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.admin-muted{color:#7c7265;font-size:12px;line-height:1.6;display:block}.table-link{color:#3d7847;font-weight:700}.topic-actions{align-items:center;gap:6px;display:flex}.topic-actions button{background:#fffaf2;border:1px solid #d8cbb7;border-radius:6px;padding:4px 8px}.card-art.has-image small,.card-art.has-image i,.card-art.has-image span{display:none}@media (width<=850px){.admin-heading{flex-direction:column;align-items:flex-start}.form-grid{grid-template-columns:1fr}.admin-form{padding:16px}.table-wrap{margin-left:-2px;margin-right:-2px}.topic-actions{min-width:112px}}.beginner-home{max-width:860px}.admin-intro{color:#71675c;max-width:680px;margin:0 0 22px}.beginner-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.beginner-steps a{background:#fffdf8;border:1px solid #d9cbb7;border-radius:14px;gap:5px;padding:24px;transition:all .18s;display:grid}.beginner-steps a:hover{border-color:#7ca47b;transform:translateY(-2px)}.beginner-steps span{color:#4b8053;font-size:13px;font-weight:700}.beginner-steps b{color:#2f4730;font-size:20px}.beginner-steps small{color:#746a5f;line-height:1.65}.admin-advanced{background:#fffaf3;border:1px solid #e6d9c6;border-radius:12px;margin-top:22px;padding:0 18px 16px}.admin-advanced summary{cursor:pointer;color:#506a4e;padding:16px 0;font-weight:700}.admin-advanced .admin-grid{margin-top:4px}.quick-card-page{max-width:820px}.quick-images,.card-image-uploader{background:#f6fbf3;border:1px dashed #b8cda9;border-radius:10px;padding:16px}.quick-images h2,.card-image-uploader h2{color:#3d7047;margin:0 0 4px;font-size:17px}.quick-images p,.card-image-uploader p{color:#6f7567;margin:0 0 14px;font-size:13px}.card-image-uploader{margin-top:4px}.quick-card-page .admin-advanced{margin-top:0}@media (width<=650px){.beginner-steps{grid-template-columns:1fr}.beginner-steps a{padding:18px}.admin-advanced{padding-left:13px;padding-right:13px}}.correct-options{background:#fffaf2;border:1px solid #dccdb8;border-radius:8px;flex-wrap:wrap;gap:10px;padding:12px;display:flex}.correct-options legend{color:#4d443a;padding:0 5px;font-size:14px;font-weight:700}.correct-options label{background:#fffdf8;border:1px solid #dfd3bf;border-radius:7px;align-items:center;gap:5px;padding:7px 11px;display:flex!important}.correct-options input{width:auto!important}.detail{max-width:1120px}.detail-head{grid-template-columns:minmax(0,.78fr) minmax(430px,1.22fr);align-items:center;gap:34px;display:grid}.detail-head h1{font-size:28px;line-height:1.45}.detail-head .detail-art{min-width:0}.detail-head .detail-art .card-art{width:100%;height:310px}.detail-art small{text-align:center;color:#8a7b68;margin-top:8px;font-size:13px;display:block}.answer-options{gap:12px;display:grid}.answer-options label{cursor:pointer;background:#fffdfa;border:1px solid #e2d4bf;border-radius:10px;align-items:center;gap:12px;min-height:54px;padding:10px 14px;transition:all .18s;display:flex}.answer-options label:hover{background:#f7fbf4;border-color:#7aa16f}.answer-options label.selected{background:#eef8ec;border-color:#4f8b59}.answer-options input{accent-color:#3f814c;flex:none;width:19px;height:19px}.answer-options b{color:#5a4934;background:#f7ead0;border-radius:50%;place-items:center;width:26px;height:26px;font-size:14px;display:grid}.answer-options span{font-size:16px}@media (width<=720px){.detail{max-width:none}.detail-head{display:block}.detail-head h1{font-size:25px}.detail-head .detail-art{margin-top:18px}.detail-head .detail-art .card-art{height:250px}.answer-options label{min-height:50px}.answer-options span{font-size:15px}}@media (width<=850px){.study-aside{border-radius:13px;height:92px;min-height:92px;margin-bottom:10px;padding:11px 16px}.study-aside h2{font-size:18px;line-height:1.2}.study-aside .ratio{width:142px;font-size:13px}.study-aside .ratio b{font-size:27px}.study-aside .ratio .progress{height:5px;margin:5px 0 0}}html,:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){html,:root{--lightningcss-light: ;--lightningcss-dark:initial}}html{background:#fbf7ef}.theme-toggle{color:#4b453e;white-space:nowrap;background:#fffaf1;border:1px solid #dfd3bf;border-radius:9px;align-items:center;gap:5px;padding:7px 10px;font-size:13px;display:inline-flex}.theme-toggle:hover{border-color:#8aaa82}.theme-toggle svg{flex:none}html[data-theme=dark]{color:#f6efdf;background:#15241d}html[data-theme=dark] body{color:#f6efdf;background:radial-gradient(circle at 15% 5%,#263c30 0,#0000 31%),#15241d}html[data-theme=dark] header,html[data-theme=dark] .mobile-nav{background:#1b2b22;border-color:#415a49}html[data-theme=dark] .brand b,html[data-theme=dark] .hero h1,html[data-theme=dark] .page-intro h1,html[data-theme=dark] .settings>h1,html[data-theme=dark] .detail-head h1,html[data-theme=dark] .study-card h1,html[data-theme=dark] h2,html[data-theme=dark] h3{color:#f8f0df}html[data-theme=dark] nav a,html[data-theme=dark] .account-link,html[data-theme=dark] .brand em,html[data-theme=dark] .lead,html[data-theme=dark] .library-item p,html[data-theme=dark] .study-aside p,html[data-theme=dark] .page-intro p:not(.eyebrow),html[data-theme=dark] .hint,html[data-theme=dark] .detail-body p,html[data-theme=dark] .answer-panel p{color:#c9d4c5}html[data-theme=dark] nav a.active{color:#9bd39f;border-color:#83c188}html[data-theme=dark] .hero-card,html[data-theme=dark] .stats-strip,html[data-theme=dark] .topic,html[data-theme=dark] .today-preview,html[data-theme=dark] .library-item,html[data-theme=dark] .study-aside,html[data-theme=dark] .study-card,html[data-theme=dark] .detail-head,html[data-theme=dark] .detail-body,html[data-theme=dark] .answer-choices,html[data-theme=dark] .chart-card,html[data-theme=dark] .progress-section,html[data-theme=dark] .summary,html[data-theme=dark] .admin-form,html[data-theme=dark] .card-image-uploader,html[data-theme=dark] table,html[data-theme=dark] .empty{color:#f6efdf;background:#22342a;border-color:#4a6652}html[data-theme=dark] .topic small,html[data-theme=dark] .stats-strip p,html[data-theme=dark] .library-item aside small,html[data-theme=dark] .detail-art small,html[data-theme=dark] .admin-muted{color:#b9c7b7}html[data-theme=dark] .card-art{color:#f8f0df;background:#304638;border-color:#57705c}html[data-theme=dark] .search,html[data-theme=dark] input,html[data-theme=dark] textarea,html[data-theme=dark] select,html[data-theme=dark] .correct-options,html[data-theme=dark] .answer-options label{color:#f6efdf;background:#192a21;border-color:#4a6652}html[data-theme=dark] .answer-options label.selected,html[data-theme=dark] .answer-options label:hover{background:#284332;border-color:#78ad80}html[data-theme=dark] .ghost,html[data-theme=dark] .theme-toggle,html[data-theme=dark] .fav-label,html[data-theme=dark] .filters button,html[data-theme=dark] .setting-controls button{color:#e5eddc;background:#263b2e;border-color:#587260}html[data-theme=dark] .member{color:#281904;background:#d49a44}html[data-theme=dark] .progress{background:#465a4c}html[data-theme=dark] .answer-panel,html[data-theme=dark] .summary-grid b,html[data-theme=dark] .metric-grid>div{color:#e7f0df;background:#1a2b22}html[data-theme=dark] .answer-result.wrong{color:#ffd8d1;background:#4b2d2b}html[data-theme=dark] .answer-result.correct{color:#dff4df;background:#234a31}html[data-theme=dark] .form-message{color:#f4e6b3;background:#3a3321}@media (width<=850px){.theme-toggle{padding:5px 8px;position:absolute;top:12px;right:64px}.theme-toggle span{display:none}html[data-theme=dark] .theme-toggle{background:#263b2e}}.answer-choices{background:#fffaf2;border:1px solid #e4d3bb;border-radius:14px;gap:12px;margin:22px 0;padding:20px;display:grid}.answer-choices p{color:#7a6246;margin:0 0 4px}.answer-choices>button:not(.btn){color:#34291f;text-align:left;cursor:pointer;background:#fffdf8;border:1px solid #dfd0bc;border-radius:10px;align-items:center;gap:12px;width:100%;padding:14px 16px;display:flex}.answer-choices>button:not(.btn):hover,.answer-choices>button.selected{background:#edf6e9;border-color:#3f814c}.answer-choices>button b{color:#4a3826;background:#f2e3c7;border-radius:50%;place-items:center;width:27px;height:27px;display:grid}.answer-choices>button.selected b{color:#fff;background:#3f814c}.answer-choices .btn{justify-self:start;margin-top:6px}.recall-prompt{justify-content:space-between;align-items:center;display:flex}.answer-result{color:#755b38;background:#f5eddf;border-radius:10px;margin:22px 0 0;padding:12px 16px;font-weight:700}.answer-result.correct{color:#28703c;background:#e8f4e8}.answer-result.wrong{color:#a95432;background:#fff1e9}@media (width<=640px){.recall-prompt{flex-direction:column;align-items:flex-start}.answer-choices{padding:16px}}.library-intro{margin-bottom:18px}.library-filters{justify-content:space-between;align-items:flex-start;gap:14px}.filter-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.filter-group small{color:#85796b;margin-right:2px;font-size:12px;font-weight:700}.library-toolbar{color:#71685c;background:#fffaf2;border:1px solid #e6dac8;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 12px;padding:11px 14px;font-size:13px;display:flex}.library-toolbar p{margin:0}.library-toolbar b{color:#397747;font-size:18px}.library-toolbar label{white-space:nowrap;align-items:center;gap:7px;display:flex}.library-toolbar select,.pagination input{color:#4d443a;background:#fffdf8;border:1px solid #dbcbb3;border-radius:7px;padding:5px 7px}.library-loading{color:#48744d;background:#edf5e9;border-radius:9px;margin-bottom:10px;padding:12px 14px;font-size:13px}.library-loading.error{color:#a85536;background:#fff1e8}.pagination{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:22px;display:flex}.pagination button{color:#62584c;background:#fffdf8;border:1px solid #ded1bd;border-radius:8px;min-width:34px;height:34px;padding:0 10px}.pagination button:hover:not(:disabled),.pagination button.active{color:#316b3d;background:#e7f2e4;border-color:#5c9563;font-weight:700}.pagination button:disabled{opacity:.45;cursor:not-allowed}.pagination span{color:#8a8176;padding:0 2px}.pagination label{color:#71675d;align-items:center;gap:5px;margin-left:5px;font-size:13px;display:flex}.pagination input{text-align:center;width:54px}@media (width<=850px){.library-filters{gap:10px;display:grid}.filter-group{gap:6px}.filter-group small{width:100%}.library-toolbar{margin-top:16px}.pagination{justify-content:flex-start}.pagination label{width:100%;margin-left:0}}.study-step{color:#4c8054;margin:15px 0 -4px;font-size:14px;font-weight:700}.learn-panel{margin-top:18px}.study-actions{justify-content:center;max-width:550px;margin:18px auto 4px}.study-actions button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.study-quiz{text-align:left;max-width:650px;margin:20px auto 0}.study-result-art{max-width:620px;margin:0 auto 14px}.study-result-art .card-art{width:100%;height:300px}.study-result-art .card-art.has-image img{object-fit:contain;object-position:center;background:#f6eedc}.study-result-art small{color:#897b69;margin-top:7px;font-size:12px;display:block}.detail-preview{background:#f7f0e3;border:1px solid #e4d6c2;border-radius:14px;margin:18px 0;padding:22px 26px}.detail-preview h2{margin:0 0 6px;font-size:21px}.detail-preview p:not(.eyebrow){color:#71675c;margin:0}.detail-preview span{color:#4b8053;margin-top:10px;font-size:13px;font-weight:700;display:inline-block}html[data-theme=dark] .learn-panel,html[data-theme=dark] .detail-preview{background:#1a2b22;border-color:#4a6652}html[data-theme=dark] .detail-preview p:not(.eyebrow),html[data-theme=dark] .study-result-art small{color:#c9d4c5}@media (width<=850px){.study-step{margin:11px 0 -2px;font-size:13px}.learn-panel,.study-actions{margin-top:14px}.study-quiz{margin-top:15px}.study-result-art .card-art{height:230px}.detail-preview{padding:18px}.detail-preview h2{font-size:19px}}