:root{--ink:#173d4a;--muted:#526b73;--paper:#fffefb;--bg:#f1f5f3;--blue:#dcebf2;--orange:#b94c27;--green:#386553;--line:#c1d0cf;--yellow:#f4ebc8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-underline-offset:5px}button,input,textarea,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{border:0}button,input,select{min-height:44px}.header,.nav,main,.footer{max-width:1200px;margin:auto}.header{padding:26px 28px 20px;display:flex;justify-content:space-between;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:22px;font-weight:800;letter-spacing:1px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:var(--ink);color:#fff;border-radius:50% 45% 50% 40%;font-size:31px}.brand small{display:block;font-size:11px;font-weight:400;letter-spacing:1px;color:var(--muted)}.utilities{display:flex;gap:24px;font-size:13px}.utilities a{text-decoration:none}.utilities span{padding:2px 6px;background:var(--blue);border-radius:20px}.nav{display:flex;gap:32px;padding:0 28px;border-bottom:1px solid var(--line)}.nav a{padding:12px 0;text-decoration:none;border-bottom:3px solid transparent;font-size:15px;font-weight:600}.nav a[aria-current=page]{border-color:var(--orange);color:var(--orange)}main{padding:30px 28px 56px;min-height:65vh}h1,h2,h3,p{margin-top:0}h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(30px,4vw,48px);line-height:1.4;letter-spacing:1px;margin-bottom:18px}h2{font-size:24px;line-height:1.5}h3{font-size:19px;line-height:1.5;margin-bottom:10px}p{margin-bottom:16px}.small,small{font-size:13px}.muted,small{color:var(--muted)}.eyebrow{color:var(--green);font-size:13px;margin-bottom:12px}.hero{display:grid;grid-template-columns:1.1fr 1fr;background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden}.hero-copy{padding:40px 42px}.hero-copy p{max-width:29em}.hero-art{background:var(--blue);position:relative;min-height:310px;display:grid;place-items:center;padding:20px}.hero-art svg{width:100%;max-height:310px}.hero-note{position:absolute;bottom:16px;right:20px;font-size:12px;transform:rotate(-2deg);background:var(--paper);padding:3px 10px}.button{background:var(--ink);color:white;display:inline-flex;justify-content:center;align-items:center;padding:10px 18px;min-height:44px;border:1px solid var(--ink);border-radius:5px;text-decoration:none;font-size:14px;font-weight:600}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.button.accent{background:var(--orange);border-color:var(--orange)}.quiet{background:none;padding:8px 0;color:var(--ink);text-decoration:underline;text-underline-offset:4px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:30px 0 17px}.section-head h2{margin:0}.section-head p{margin:0;font-size:13px;color:var(--muted)}.gate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gate{display:flex;flex-direction:column;padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:5px;text-decoration:none}.gate h2{font-size:22px;margin:12px 0}.gate p{color:var(--muted);font-size:14px;flex:1}.gate .enter{font-size:14px;font-weight:bold;padding-top:12px}.gate:hover{border-color:var(--ink)}.gate-icon{font-size:25px;width:48px;height:45px;display:grid;place-items:center;background:var(--blue);border-radius:14px 9px 15px 7px}.gate:nth-child(2) .gate-icon{background:#e6eddf}.gate:nth-child(3) .gate-icon{background:var(--yellow)}.banner{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:25px;border-left:4px solid var(--orange);padding:16px 20px;background:#e7efeb}.banner p{margin:0;font-size:14px}.banner strong{display:block;margin-bottom:4px}.page-head{max-width:750px;margin:4px 0 30px}.page-head h1{font-size:36px}.page-head p{color:var(--muted)}.split{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}.panel{background:var(--paper);padding:28px;border:1px solid var(--line);border-radius:6px}.panel.tint{background:#e9f0ec}.panel h2{font-size:22px}.label, label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input,textarea,select{border:1px solid #a9bfbe;background:white;border-radius:4px;padding:10px 12px;width:100%}textarea{resize:vertical;line-height:1.7;min-height:100px}.field{margin-bottom:18px}.field small{display:block;margin-top:5px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.hint{font-size:13px;color:var(--muted);margin:10px 0}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 20px}.chip{border:1px solid var(--line);border-radius:25px;padding:6px 14px;background:var(--paper);font-size:13px}.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.line-item{border-top:1px solid var(--line);padding:17px 0}.line-item:first-child{border:0;padding-top:0}.line-item p{font-size:14px;color:var(--muted);margin:7px 0 10px}.tag{display:inline-block;font-size:12px;color:var(--green);background:#e4eee6;padding:3px 9px;border-radius:3px;margin-bottom:10px}.tag.warm{color:#794720;background:var(--yellow)}.feature{display:grid;grid-template-columns:190px 1fr;background:var(--paper);border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-bottom:18px}.feature-image{background:var(--blue);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:20px}.feature-image svg{width:120px;height:110px}.feature-body{padding:24px}.feature-body p{font-size:14px;color:var(--muted)}.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.reader{padding:30px 34px;background:var(--paper);border:1px solid var(--line);border-radius:6px}.reader p{max-width:44em}.quote{background:#e8eff2;border-left:3px solid #728f99;padding:18px 20px;margin:20px 0}.quote p:last-child{margin:0}.support-box{background:#f1f4ec;padding:15px;border-radius:5px;margin:14px 0}.support-box p{margin:5px 0}.support-box strong{font-size:14px}.sticky{position:sticky;top:24px}.map-links{display:flex;gap:8px;flex-wrap:wrap}.map-links span{border:1px solid var(--line);padding:3px 10px;border-radius:20px;font-size:12px}.book-row{display:grid;grid-template-columns:92px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.book-cover{height:125px;background:#e1eae1;border-left:7px solid #466759;display:flex;flex-direction:column;justify-content:space-between;padding:12px;font-family:"Songti SC",serif;font-size:20px;line-height:1.5;box-shadow:4px 4px 0 #d6dfd9}.book-cover.blue{background:var(--blue);border-color:var(--ink)}.book-cover.orange{background:#f5e9d7;border-color:var(--orange)}.book-cover small{font:10px sans-serif}.book-row p{font-size:14px;color:var(--muted)}details{border-top:1px solid var(--line);margin-top:20px;padding-top:15px}summary{cursor:pointer;font-size:14px;min-height:44px;display:flex;align-items:center}details p{font-size:14px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.service-grid>article{border-top:4px solid var(--line);background:var(--paper);padding:20px}.service-grid h3{font-size:18px}.service-grid li{font-size:14px;margin-bottom:8px}.service-grid ul{padding-left:19px}.empty{text-align:center;border:1px dashed var(--line);padding:44px 20px;background:var(--paper)}.record{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:24px;margin-bottom:18px}.record p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px}.record h3{overflow-wrap:anywhere}.record small{display:block;margin-bottom:12px}.record .row{border-top:1px solid var(--line);padding-top:12px}.notice{background:var(--yellow);padding:13px 16px;font-size:13px;margin-bottom:18px;border-radius:4px}.footer{padding:24px 28px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}.footer small{width:100%;font-size:12px}.skip{position:fixed;left:10px;top:-80px;background:#fff;padding:12px;z-index:100}.skip:focus{top:10px}dialog{border:1px solid var(--line);border-radius:9px;max-width:760px;width:calc(100% - 32px);padding:0;color:var(--ink);max-height:90vh;overscroll-behavior:contain}dialog::backdrop{background:#173d4a70}.dialogtop{position:sticky;top:0;z-index:1;padding:10px 22px;display:flex;align-items:center;justify-content:space-between;background:var(--paper);border-bottom:1px solid var(--line);font-size:12px}.close{font-size:27px;width:44px;background:none}#modal-body{padding:26px}#modal-body h2{margin-bottom:16px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--ink);color:white;padding:12px 20px;border-radius:5px;font-size:14px;z-index:99;display:none}#toast.show{display:block}.back{display:inline-block;font-size:13px;margin-bottom:18px}.result-text{white-space:pre-wrap;overflow-wrap:anywhere}.process{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;margin:15px 0}.process span{padding:4px 10px;background:#e7eeeb;border-radius:3px}.source-link{font-size:13px}.readable{max-width:720px}.save-status{font-size:13px;min-height:24px;color:var(--green)}@media(max-width:800px){.hero{grid-template-columns:1fr 0.85fr}.hero-copy{padding:28px}.hero-art{min-height:240px}.gate-grid{gap:10px}.gate{padding:18px}.split,.topic-layout{grid-template-columns:1fr}.sticky{position:static}.service-grid{grid-template-columns:1fr}.service-grid>article{padding:20px}.page-head h1{font-size:31px}}@media(max-width:560px){body{font-size:15px}.header{padding:16px 18px 14px}.brand{font-size:19px;gap:8px}.brand-mark{width:36px;height:36px;font-size:26px}.utilities{gap:12px;font-size:12px}.utilities a:first-child{max-width:65px;line-height:1.5}.nav{padding:0 18px;gap:0;justify-content:space-between}.nav a{font-size:14px;padding:12px 5px}main{padding:20px 18px 36px}.hero{display:block}.hero-copy{padding:25px}.hero-copy h1{font-size:31px}.hero-art{min-height:0;height:172px;padding:8px}.hero-art svg{max-height:165px;width:85%}.hero-note{font-size:10px;bottom:9px;right:12px}.gate-grid{grid-template-columns:1fr;gap:10px}.gate{display:grid;grid-template-columns:45px 1fr;column-gap:14px;padding:18px}.gate-icon{grid-row:1/4;width:42px;height:42px;font-size:22px}.gate h2{font-size:20px;margin:0 0 6px}.gate p{margin:0;font-size:13px}.gate .enter{padding-top:8px;font-size:13px}.section-head{align-items:start;flex-direction:column;gap:5px;margin-top:24px}.banner{align-items:start;flex-direction:column;gap:12px;padding:15px}.feature{grid-template-columns:90px 1fr}.feature-image{padding:10px;gap:5px}.feature-image svg{width:70px;height:85px}.feature-image span{font-size:11px}.feature-body{padding:18px}.feature-body h2{font-size:21px}.feature-body .row{gap:8px}.feature-body .button{font-size:12px;padding:8px 10px}.panel,.reader{padding:21px}.pair{grid-template-columns:1fr;gap:0}.page-head{margin-bottom:22px}.page-head h1{font-size:29px}.book-row{grid-template-columns:74px 1fr;gap:16px}.book-cover{height:110px;font-size:17px;padding:9px}.footer{padding:20px 18px;gap:8px}#modal-body{padding:21px}.row .button{max-width:100%}.record{padding:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Four starting points and child-led / parent-introduced paths */
.gate-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.gate-grid.four .gate{padding:22px}.gate:nth-child(4) .gate-icon{background:#f3e2d7}.collection-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.collection-nav a{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--line);border-radius:5px;padding:18px 22px;text-decoration:none;font-size:21px;font-weight:700}.collection-nav a[aria-current=page]{border-left-color:var(--orange);background:#fff8ec}.collection-nav span{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:5px}.chip{display:inline-flex;align-items:center;text-decoration:none;min-height:44px}.chip[aria-current=page]{background:var(--ink);border-color:var(--ink);color:#fff}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.choice{padding:26px;background:var(--paper);border:1px solid var(--line);border-top:4px solid #a9beb2;border-radius:5px;text-decoration:none}.choice:nth-child(2){border-top-color:#90b3c3}.choice:nth-child(3){border-top-color:#cda97b}.choice:hover{background:#f7faf6;border-color:var(--ink)}.choice>span{display:block;font-size:12px;color:var(--muted);margin-bottom:14px}.choice h2{font-size:23px}.choice p{font-size:14px;color:var(--muted)}.choice strong{font-size:14px}.editor-note{padding:28px 32px;border-left:4px solid var(--orange);background:#e8efea;margin:24px 0}.editor-note h2{font-size:23px}.editor-note p{max-width:60em;font-size:15px}.publication-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.publication{display:grid;grid-template-columns:85px 1fr;gap:22px}.publication .book-cover{font-size:19px}.publication p{font-size:14px}.example-list p{font-size:14px;border-top:1px solid var(--line);padding-top:12px}.service-grid p{font-size:14px}.nav{overflow-x:auto;scrollbar-width:thin}.nav a{white-space:nowrap}.brand span{min-width:0}.brand-mark{flex-shrink:0}
@media(max-width:900px){.gate-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.choice-grid{grid-template-columns:1fr}.choice{padding:22px}.publication-grid{grid-template-columns:1fr}}
@media(max-width:560px){.brand{font-size:18px}.brand small{letter-spacing:0;font-size:10px}.header{gap:12px}.utilities a:first-child{display:none}.nav{gap:14px;justify-content:flex-start}.nav a{font-size:14px;padding:10px 0;flex-shrink:0}.gate-grid.four{grid-template-columns:1fr}.gate-grid.four .gate{padding:18px}.collection-nav{gap:10px}.collection-nav a{font-size:17px;padding:14px 12px}.collection-nav span{font-size:11px}.editor-note{padding:20px}.editor-note h2{font-size:21px}.publication{grid-template-columns:74px 1fr;gap:16px}.publication .book-cover{font-size:17px}.choice h2{font-size:21px}.service-grid{grid-template-columns:1fr}.hero-copy .quiet{font-size:13px}}
/* Original humanities content, integrated into the school section. */
.school-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0 16px}.school-path{padding:24px;background:var(--paper,#fffefb);border:1px solid #c6d2cf;border-radius:8px;text-decoration:none;display:grid;gap:10px}.school-path strong{font-size:22px}.school-path span{font-size:15px;color:#536b70;line-height:1.7}.school-path.selected{border:2px solid #234b58;background:#e7efeb;padding:23px}.school-utility{display:flex;gap:20px;flex-wrap:wrap;margin:0 0 36px;font-size:14px}.school-question-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.school-question{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0}.school-question h3{font-size:22px;line-height:1.5;margin:0}.school-question p{flex:1;margin:0;line-height:1.8}.school-question details{width:100%;font-size:14px;margin-top:6px}.school-question details p{margin:10px 0}.school-search{display:grid;grid-template-columns:minmax(0,1fr) 180px auto auto;gap:12px;align-items:end;margin:24px 0 18px}.school-search .field{margin:0}.school-results{margin:14px 0;color:#536b70}.school-pagination{display:flex;align-items:center;justify-content:center;gap:24px;margin:28px 0}.school-provenance{margin:24px 0;line-height:1.8}.school-material{margin-bottom:24px}.school-material h3{line-height:1.6}.school-material-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.95;margin:16px 0}.school-help{border-top:1px solid #c6d2cf;padding:18px 0}.school-help summary{font-weight:650;cursor:pointer}.school-help .school-material{padding:10px 18px;background:#f1f5ef;margin-top:12px}.school-close{margin-top:32px;padding-top:20px;border-top:1px solid #c6d2cf}.school-cues{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.school-material .hint{overflow-wrap:anywhere}.school-path:focus-visible,.school-question a:focus-visible{outline:3px solid #bc532e;outline-offset:3px}.school-pagination button:disabled{opacity:.45;cursor:default}
@media(max-width:960px){.school-question-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.school-search{grid-template-columns:minmax(0,1fr) 160px auto}.school-search>.quiet{grid-column:1/-1;justify-self:start}}
@media(max-width:620px){.school-paths,.school-question-grid{grid-template-columns:1fr}.school-path{padding:18px}.school-path.selected{padding:17px}.school-path strong{font-size:20px}.school-search{grid-template-columns:minmax(0,1fr) auto}.school-search .field:first-child{grid-column:1/-1}.school-search>.quiet{grid-column:auto}.school-utility{gap:14px}.school-pagination{gap:14px}.school-question h3{font-size:21px}}
.school-data-table{width:100%;border-collapse:collapse;white-space:normal;margin:20px 0}.school-data-table caption{text-align:left;font-weight:650;margin-bottom:10px}.school-data-table th,.school-data-table td{text-align:left;padding:12px 16px;border-bottom:1px solid #bccdca}.school-data-table thead{background:#e7efeb}
@media(max-width:620px){.school-paths{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.school-path{padding:14px 10px}.school-path.selected{padding:13px 9px}.school-path strong{font-size:16px;line-height:1.5;text-align:center}.school-path span{display:none}.school-utility{font-size:13px;margin-bottom:26px}}

/* Concise navigation with small line drawings. */
.gate-icon{display:block;width:60px;height:60px}.gate-icon svg{width:100%;height:100%}.school-paths .path-art{display:block;width:64px;height:64px;margin-bottom:10px}.path-art svg{width:100%;height:100%}.school-path{position:relative}.school-utility details{margin:0}.school-utility details a{display:block;margin:8px 0}.news-empty{max-width:760px;margin:26px auto}.news-illustration{width:110px;height:110px;color:#59817d;float:right;margin:0 0 16px 24px}.news-illustration svg{width:100%}.school-help .listen-trigger{margin-bottom:4px}@media(max-width:620px){.school-paths .path-art{display:block;width:38px;height:38px;margin:0 auto 8px}.school-paths .school-path strong{font-size:14px}.school-paths{gap:8px}.school-paths .school-path{padding:12px 7px;text-align:center}.gate-icon{width:44px;height:44px}}