:root{font-family:Inter,"PingFang TC","Noto Sans TC",sans-serif;color:#182639;background:#f4f6fa;font-synthesis:none;line-height:1.65;--ink:#182639;--muted:#657386;--line:#dae1e9;--teal:#157a69}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #dc7847;outline-offset:4px}header{height:80px;display:flex;align-items:center;padding:0 4%;gap:36px;border-bottom:1px solid var(--line);background:#fff}.brand{text-decoration:none;display:flex;align-items:center;gap:6px;font-size:23px;font-weight:750;white-space:nowrap}.brand i{color:var(--teal);font-weight:500}.mark{font-size:36px;margin-right:8px}.brand-sub{font-size:11px;letter-spacing:2px;margin-left:14px;color:var(--muted)}nav{display:flex;gap:30px;margin-left:auto}nav a{text-decoration:none;font-size:14px}nav a:hover{color:var(--teal)}.edition{font-size:12px;border-left:1px solid var(--line);padding-left:26px;color:var(--muted)}main{max-width:1560px;margin:auto;padding:0 4%}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:44px 0 30px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--muted);margin:0 0 10px}h1{font-size:clamp(28px,3vw,43px);line-height:1.4;letter-spacing:-1.5px;margin:0;font-weight:650}h1 span{color:var(--teal)}.intro-note{font-size:15px;color:var(--muted);line-height:1.9}.workspace{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(340px,1fr);gap:18px;align-items:start}.atlas{background:#142135;color:#fff;border-radius:14px;padding:26px 28px 12px;position:sticky;top:18px}.map-head{display:flex;justify-content:space-between;align-items:center}.atlas .eyebrow{color:#9aaec6}h2{font-size:24px;margin:0;font-weight:650;letter-spacing:-.5px}.hint{font-size:12px;color:#a9bacd}.legend{display:flex;gap:22px;margin:22px 0 5px;font-size:12px;color:#c5d0df}.legend span:before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c);margin-right:8px}.l-practice{--c:#78dfc3}.l-core{--c:#89b7fa}.l-ai{--c:#c3a2f5}.graph{position:relative;aspect-ratio:760/490;width:100%;background-image:radial-gradient(#ffffff14 1px,transparent 1px);background-size:22px 22px}.graph svg{position:absolute;width:100%;height:100%;inset:0;pointer-events:none}.edge{stroke:#61758e;stroke-width:1.1;opacity:.4}.edge.active{stroke:#c3e9e2;stroke-width:2;opacity:1}.node{position:absolute;transform:translate(-50%,-50%);border:1px solid #44617a;background:#1c3046;color:#d1e7ff;border-radius:8px;min-height:51px;width:25%;padding:8px 3px;font-size:14px;line-height:1.45;transition:background .2s,border .2s}.node small{display:block;font-size:10px;color:#8ea8c4;margin-top:2px}.node.practice{background:#1b393d;border-color:#39695f;color:#9ae8d4}.node.ai{background:#302d4b;border-color:#61567c;color:#dcc8f9}.node.selected{background:#d3faec;color:#142d2a;border-color:#d3faec;box-shadow:0 0 0 5px #7ee3c01a}.node.selected small{color:#3a6b60}.node:hover{border-color:#fff}.map-foot{color:#a3b4c8;font-size:12px;margin-top:10px}.detail{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;min-height:615px}.detail h2{font-size:26px;margin:8px 0}.pill{display:inline-flex;border-radius:4px;font-size:12px;padding:3px 8px;background:#e8f4ef;color:#24765f}.detail .lead{font-size:17px;line-height:1.8;color:#32465a;margin-bottom:22px}.detail h3{font-size:14px;margin:24px 0 9px;color:var(--muted)}.detail p{font-size:15px}.mini-flow{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.mini-flow span{background:#edf2f7;padding:6px 9px;border-radius:5px;font-size:13px}.mini-flow b{font-size:13px;color:#95a2b1}.bridge{display:block;text-align:left;border:0;border-bottom:1px solid var(--line);background:none;width:100%;padding:10px 0;font-size:14px}.bridge strong{color:var(--teal);display:block}.bridge span{color:#657386;font-size:13px}.question{background:#eef6f3;padding:16px;border-left:3px solid #43a58c;border-radius:0 8px 8px 0}.question p{margin:6px 0}.question details{font-size:14px}.question summary{cursor:pointer;color:var(--teal);margin-top:10px}.source-link{display:block;border:0;background:transparent;text-align:left;font-size:13px;padding:5px 0;color:#37658f;overflow-wrap:anywhere}.section-title{display:flex;justify-content:space-between;align-items:end;margin:65px 0 22px}.section-title p:not(.eyebrow){font-size:14px;color:var(--muted);margin:0}.path-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.path{background:#fff;border:1px solid var(--line);padding:24px;border-radius:10px}.path .num{font-family:monospace;color:#9bacba;font-size:13px}.path h3{font-size:20px;margin:12px 0 15px}.path p{color:var(--muted);font-size:14px}.path-steps{display:flex;flex-direction:column;align-items:start}.path-steps button{background:none;border:0;color:#276755;padding:5px 0;text-align:left;font-size:15px}.path-steps span{height:21px;border-left:1px solid #bdcdc6;margin-left:8px}.course-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.course{padding:23px;background:#fff;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}.course-code{font-size:13px;font-family:monospace;color:var(--teal)}.course h3{font-size:18px;margin:8px 0}.course p{font-size:14px;color:var(--muted)}.course a{font-size:14px;color:#335f88}.library-tools{display:flex;gap:12px;align-items:center}input,select{border:1px solid #cbd6e0;border-radius:7px;background:#fff;padding:11px 14px;color:var(--ink)}input{flex:1;min-width:0}.library-tools label{font-size:14px}.source-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 25px}.source-item{padding:15px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;min-width:0}.source-item strong{display:block;font-size:15px}.source-item small{display:block;color:var(--muted);font-size:12px;overflow-wrap:anywhere}.source-item:hover strong{color:var(--teal)}#results-status{font-size:13px;color:var(--muted)}.secondary{background:#fff;border:1px solid var(--line);padding:8px 20px;border-radius:7px;margin-top:20px}footer{padding:60px 0 35px;margin-top:40px;border-top:1px solid var(--line);color:var(--muted)}footer b{color:var(--ink);font-size:21px}footer p{font-size:15px}footer small{font-size:12px}dialog{width:min(950px,94vw);max-height:90vh;padding:0;border:1px solid var(--line);border-radius:12px;color:var(--ink)}dialog::backdrop{background:#101d35aa}.reader-head{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:16px;font-size:13px;overflow-wrap:anywhere}.reader-head button{flex-shrink:0;background:#ecf1f6;border:0;border-radius:6px;padding:7px 12px}#reader-body{padding:25px 30px}#reader-body pre{white-space:pre-wrap;overflow-wrap:anywhere;font:15px/1.85 ui-monospace,"PingFang TC",sans-serif}#reader-body a{color:#286b9b;overflow-wrap:anywhere}.reader-note{padding:12px;background:#f0f5f8;font-size:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}@media(min-width:1450px){.node{font-size:16px}.node small{font-size:12px}}@media(max-width:1100px){.brand-sub,.edition{display:none}.workspace{grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr)}.atlas{padding:20px 15px}.node{font-size:12px}.hint{display:none}.intro-note{font-size:13px}.course-list{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){header{height:auto;min-height:75px;flex-wrap:wrap;gap:10px;padding:12px 5%}nav{width:100%;margin:0;justify-content:space-between;gap:10px}nav a{font-size:14px}main{padding:0 5%}.intro{display:block;padding:30px 0 20px}.intro-note{font-size:14px}.workspace{display:block}.atlas{position:relative;top:auto;margin-bottom:16px;padding:20px 12px}.graph{aspect-ratio:760/650}.node{font-size:12px;min-height:55px;width:29%}.node small{font-size:10px}.detail{min-height:0;padding:23px}.section-title{display:block;margin-top:45px}.section-title p:not(.eyebrow){margin-top:10px}.path-list,.source-list{grid-template-columns:1fr}.course{padding:16px}.course h3{font-size:16px}.library-tools{flex-wrap:wrap}.library-tools input{flex-basis:75%}.library-tools select{width:100%}.map-head h2{font-size:21px}.legend{gap:15px}.map-foot{font-size:11px}#reader-body{padding:15px}h1{letter-spacing:-.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Responsive rich content */
.code-block{position:relative;min-width:0;max-width:100%}.copy-code{position:absolute;z-index:2;right:8px;top:8px;min-height:44px;border:1px solid #ffffff35;border-radius:5px;background:#22374d;color:#e8f2fa;padding:4px 10px;font-size:12px}.markdown-body pre{padding-top:48px;white-space:pre;overflow-wrap:normal;max-width:100%}.markdown-body pre code{overflow-wrap:normal}.markdown-body code{overflow-wrap:anywhere}.markdown-body,.reader-head,#reader-body{min-width:0;max-width:100%}.markdown-body iframe,.markdown-body svg{max-width:100%}button{min-height:44px}
@media(max-width:760px){dialog{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}.reader-head{padding:12px 16px}#reader-body{padding:12px}.md-table-wrap{width:100%;max-width:100%;overscroll-behavior-inline:contain}.markdown-body table{width:max-content;min-width:100%}}