/* Course documents keep the site's palette with a quieter reading layout. */

body[data-page="courses"]{background:#fff}body[data-page="courses"] .site-header,body[data-page="courses"] .site-header.is-scrolled{height:80px;background:var(--paper);border-bottom:1px solid var(--line);padding:0 32px;backdrop-filter:none}body[data-page="courses"] .header-note{display:none}body[data-page="courses"] .brand-cn{font-size:29px}body[data-page="courses"] .brand-en{font-size:8px}body[data-page="courses"] #footer{display:none}body[data-page="courses"] .reading-progress{display:none}
.course-gate{padding-top:80px;min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--paper)}.course-gate-intro{background:#e9eecc;padding:42px clamp(32px,6vw,110px);display:flex;align-items:flex-start;flex-direction:column}.course-back{font-size:13px;color:#5a604b;margin-bottom:clamp(65px,10vh,130px)}.course-back:hover{text-decoration:underline}.course-gate-intro>.eyebrow{font-size:11px;color:#687042;letter-spacing:.18em}.course-gate-intro h1{font-family:var(--serif);font-size:clamp(43px,4.65vw,72px);line-height:1.42;letter-spacing:-.04em;margin:23px 0}.course-gate-intro>p{font-size:15px;line-height:2;color:#62684f}.course-gate-topics{display:flex;gap:16px;flex-wrap:wrap;margin-top:45px;font-size:12px;color:#535a3d}.course-gate-topics i{font-style:normal;color:#929a71}.course-gate-signature{margin-top:auto;padding-top:90px;display:flex;gap:22px;align-items:center;font-size:12px;letter-spacing:.13em;color:#6d7550}.course-gate-signature span{font-size:11px;letter-spacing:.08em}.course-gate-panel{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:60px 35px}.course-gate-card{width:100%;max-width:400px;background:#fff;border:1px solid #e1e4d8;border-radius:12px;padding:38px 34px;box-shadow:0 12px 44px #454f0f04}.course-lock-icon{display:grid;place-items:center;width:48px;height:48px;background:var(--lime);border-radius:10px;margin-bottom:28px}.course-lock-icon svg{width:23px;height:23px}.course-gate-card>.eyebrow{font-size:10px;letter-spacing:.16em;color:#7f836e}.course-gate-card h2{font-family:var(--serif);font-size:35px;margin:9px 0 13px}.course-gate-description{font-size:13px;color:#74786a;line-height:1.8;margin-bottom:34px}.course-password-form>label{font-size:13px;display:block;margin-bottom:10px}.course-password-field{position:relative}.course-password-field input{width:100%;height:48px;border:1px solid #d6dacf;background:#fdfefa;border-radius:5px;padding:0 65px 0 13px;font:inherit;font-size:14px;outline-offset:3px}.course-password-field input:focus{outline:2px solid #8f9e32}.course-password-field input[aria-invalid]{border-color:#b64e3c}.course-password-toggle{position:absolute;right:4px;top:4px;min-width:50px;height:40px;color:#666e55;font-size:12px}.course-password-error{min-height:32px;font-size:12px;color:#a83a2c;line-height:1.7;padding-top:7px}.course-unlock{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--ink);color:var(--paper);height:48px;border-radius:5px;padding:0 16px;font-size:14px}.course-unlock:hover{background:#414b2a}.course-unlock svg{width:19px}.course-session-note{font-size:11px;color:#7c816f;margin-top:20px;display:flex;align-items:center;justify-content:center;gap:6px}.course-session-note svg{width:12px;height:12px}.course-gate-caption{font-size:11px;letter-spacing:.12em;color:#8a8e7c;margin-top:25px}
.course-workspace{display:grid;grid-template-columns:268px minmax(0,1fr);padding-top:80px;min-height:100dvh}.course-sidebar{position:sticky;top:80px;height:calc(100dvh - 80px);border-right:1px solid #e4e6dc;background:#f7f8f2;display:flex;flex-direction:column;padding:30px 17px 18px;overflow:auto;overscroll-behavior:contain}.course-space{display:flex;gap:12px;align-items:center;padding:0 9px}.course-space-icon{display:grid;place-items:center;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:8px}.course-space-icon svg{width:21px;height:21px}.course-space h2{font-size:19px;font-weight:600;line-height:1.5}.course-space p{font-size:11px;color:#7e8372;margin-top:2px}.course-search{display:flex;align-items:center;gap:8px;border:1px solid #dde1d2;border-radius:6px;padding:0 10px;background:#fff;margin:27px 7px 30px;min-height:37px}.course-search svg{width:15px;height:15px;color:#929983}.course-search:focus-within{outline:2px solid #8f9e32;outline-offset:2px}.course-search input{min-width:0;flex:1;outline:none;border:0;background:none;font:inherit;font-size:12px;height:35px}.course-search input::placeholder{color:#89907c}.course-nav-label{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#868c77;padding:0 11px;margin-bottom:16px}.course-nav-label small{font-size:10px}.course-nav{flex:1}.course-nav-group{margin-bottom:20px}.course-nav-group summary{list-style:none;display:flex;align-items:center;gap:7px;cursor:pointer;padding:5px 9px;margin-bottom:7px;font-size:12px;font-weight:500;color:#5f674e;min-height:31px}.course-nav-group summary::-webkit-details-marker{display:none}.course-nav-group summary>svg{width:12px;height:12px;transition:transform .15s}.course-nav-group[open] summary>svg{transform:rotate(90deg)}.course-nav-group summary small{font-size:10px;font-weight:400;color:#9a9f90;margin-left:auto;font-family:Arial}.course-nav-group>div{display:flex;flex-direction:column;gap:4px}.course-nav a{display:flex;align-items:flex-start;gap:9px;padding:10px 9px 10px 23px;border-radius:5px;font-size:12px;color:#626856;line-height:1.6}.course-nav a svg{width:15px;height:15px;margin-top:2px;color:#8f9682}.course-nav a:hover{background:#ecefe0}.course-nav a[aria-current]{background:#e6eec2;color:#354018;font-weight:500}.course-nav a[aria-current] svg{color:#637b22}.course-search-empty{padding:15px 12px;color:#737c61;font-size:12px;line-height:1.9}.course-search-empty button{padding:8px 0;color:#516814;text-decoration:underline}.course-sidebar-bottom{padding:25px 8px 0;margin-top:auto}.course-sidebar-note{border-top:1px solid #dfe4d2;padding:20px 2px;display:flex;gap:12px;font-size:12px;line-height:1.85;color:#82896f}.course-note-dot{width:6px;height:6px;flex-shrink:0;background:#a3b838;border-radius:50%;margin-top:8px}.course-sidebar-bottom>button{display:flex;align-items:center;gap:8px;font-size:11px;color:#7d846e;padding:8px 0;min-height:36px}.course-sidebar-bottom>button svg{width:13px;height:13px}.course-sidebar-bottom>button:hover{color:var(--ink)}
.course-reader{min-width:0}.course-toolbar{position:sticky;top:80px;z-index:12;height:58px;border-bottom:1px solid #edf0e6;display:flex;align-items:center;justify-content:space-between;padding:0 38px;background:#fffffff5;backdrop-filter:blur(8px);gap:15px}.course-breadcrumb{display:flex;align-items:center;gap:13px;font-size:11px;color:#777e68;min-width:0}.course-breadcrumb>span:last-child{color:#515846}.course-breadcrumb a:hover{text-decoration:underline}.course-toolbar-actions{display:flex;align-items:center;gap:22px}.course-sample-badge{font-size:10px;color:#7b826c;background:#f4f6ee;padding:5px 8px;border-radius:4px;white-space:nowrap}.course-toolbar-actions button{display:flex;align-items:center;gap:6px;font-size:11px;min-height:36px;color:#777e68}.course-toolbar-actions svg{width:14px;height:14px}.course-document-grid{display:grid;grid-template-columns:minmax(0,730px) 146px;gap:clamp(28px,4.2vw,65px);max-width:1120px;margin:auto;padding:42px clamp(28px,4vw,62px) 45px}.course-document{min-width:0;font-size:14px;line-height:1.95;color:#505647}.course-doc-header{position:relative;margin-bottom:32px}.course-doc-cover{height:102px;border-radius:5px;background:#f0f3e3;position:relative;overflow:hidden;display:flex;align-items:center;padding:0 30px;color:#929e6e}.course-doc-cover>span{font-family:Arial;font-size:10px;letter-spacing:.22em}.course-cover-art{position:absolute;width:190px;right:20px;top:0;height:110px}.course-cover-art i{position:absolute;display:block;width:74px;height:96px;border:1px solid #b7c488;border-radius:3px;transform:rotate(22deg);right:8px;top:16px;background:#e5ebce}.course-cover-art i:nth-child(2){right:58px;top:24px;transform:rotate(-3deg);background:#d9e5a4}.course-cover-art i:nth-child(3){right:100px;top:39px;transform:rotate(-23deg);background:#d9ed43}.course-doc-icon{display:grid;place-items:center;position:relative;background:var(--lime);border:4px solid #fff;width:48px;height:48px;border-radius:11px;margin:-22px 0 22px 0}.course-doc-icon svg{width:24px;height:24px}.course-doc-eyebrow{display:block;font-size:10px;letter-spacing:.1em;color:#949b85;font-family:Arial,var(--sans);margin-bottom:8px}.course-doc-header h1{font-size:33px;font-weight:600;line-height:1.5;letter-spacing:-.035em;color:#2b3024;overflow-wrap:anywhere}.course-doc-description{font-size:14px;color:#818775;margin-top:9px;line-height:1.85}.course-doc-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:#8a917e;margin-top:22px;padding-bottom:26px;border-bottom:1px solid #e9ece1;line-height:1.5}.course-avatar{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#edf1d9;color:#627637;font-size:11px}.course-doc-meta i{font-style:normal;margin:0 2px}.course-doc-type{margin-left:auto;font-size:10px}.course-section{scroll-margin-top:52px;margin-bottom:34px}.course-section h2{font-size:21px;line-height:1.6;font-weight:550;color:#323929;margin:0 0 16px;letter-spacing:-.02em}.course-section>p{margin:12px 0;line-height:2}.course-callout{display:flex;gap:13px;background:#f1f5dd;border:1px solid #e5ebcb;border-radius:5px;padding:18px 19px;margin:19px 0;line-height:1.8}.course-callout>span{color:#71872a;flex-shrink:0;font-size:20px;line-height:1.5}.course-callout strong{font-size:13px;font-weight:550;color:#4b5b2b}.course-callout p{font-size:13px;color:#788266;margin-top:4px;line-height:1.85}.course-callout.is-neutral{background:#f6f7f2;border-color:#e7eade}.course-callout.is-neutral>span{font-family:Georgia;color:#858b77}.course-callout.is-neutral strong{color:#626951}.course-list{padding-left:23px;margin:13px 0}.course-list li{padding-left:3px;margin:7px 0}.course-list li::marker{color:#7e8b51}.course-table-wrap{overflow-x:auto;border:1px solid #e1e6d5;border-radius:5px;margin:21px 0}.course-table-wrap table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.8;min-width:400px}.course-table-wrap th{font-weight:500;text-align:left;background:#f2f5e8;color:#647149}.course-table-wrap th,.course-table-wrap td{padding:13px 16px;vertical-align:top;border-bottom:1px solid #e5e9dc}.course-table-wrap td+td,.course-table-wrap th+th{border-left:1px solid #e5e9dc}.course-table-wrap tbody tr:last-child td{border-bottom:0}.course-steps{list-style:none;padding:0;margin:22px 0;display:grid;gap:0}.course-steps li{display:flex;gap:15px;padding:0 0 23px;position:relative}.course-steps li:last-child{padding-bottom:0}.course-steps li:not(:last-child):before{content:'';position:absolute;left:15px;top:33px;bottom:2px;width:1px;background:#e2e9ce}.course-steps li>span{background:#f0f4df;border:1px solid #e1e8c7;border-radius:50%;height:32px;width:32px;flex-shrink:0;display:grid;place-items:center;font:11px Arial;color:#7b8c48}.course-steps h3{font-size:14px;font-weight:500;line-height:1.8;color:#4d583a}.course-steps p{font-size:13px;color:#808971;margin-top:3px;line-height:1.8}.course-prompt{border:1px solid #dfe6d0;border-radius:6px;overflow:hidden;margin:20px 0;background:#fafcf4}.course-prompt>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;border-bottom:1px solid #e4ead8;font-size:10px;letter-spacing:.12em}.course-prompt button{background:#e8efcd;padding:6px 10px;border-radius:4px;font-size:11px;letter-spacing:0;white-space:nowrap}.course-prompt>p{font-family:Georgia,serif;font-size:15px;line-height:1.9;padding:18px;overflow-wrap:anywhere}.course-prompt-translation{padding:15px 18px;background:#f2f5e9;font-size:12px;line-height:1.9}.course-prompt-translation strong{font-weight:500}.course-prompt-translation p{margin-top:6px;color:#7d866b}.course-checklist{padding:0;list-style:none;margin:18px 0}.course-checklist li{margin:9px 0}.course-checklist label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-size:13px;line-height:1.9}.course-checklist input{width:16px;height:16px;margin:4px 0 0;accent-color:#7e9535;flex-shrink:0}.course-checklist input:checked+span{color:#99a087;text-decoration:line-through}.course-doc-end{text-align:center;color:#9ca18f;border-top:1px solid #eaede1;margin-top:45px;padding-top:28px}.course-doc-end p{font-size:12px;margin-top:7px}.course-doc-end small{font-size:10px;display:block;margin-top:4px;color:#a0a591}.course-doc-pagination{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:32px 0 10px}.course-doc-pagination>a{display:flex;flex-direction:column;gap:5px;border-top:1px solid #e6eadd;padding-top:15px;line-height:1.7}.course-doc-pagination>a:hover{border-color:#a4b459}.course-doc-pagination>a:last-child{text-align:right}.course-doc-pagination small{font-size:10px;color:#949e81}.course-doc-pagination span{font-size:12px;color:#68744f}.course-toc{position:sticky;top:186px;align-self:start;padding-top:8px}.course-toc>span{font-size:11px;font-weight:500;color:#6a735b}.course-toc nav{border-left:1px solid #e6eadb;margin-top:17px;display:flex;flex-direction:column;gap:5px}.course-toc a{font-size:11px;color:#969e89;line-height:1.8;padding:6px 0 6px 13px;border-left:2px solid transparent;margin-left:-1px}.course-toc a[aria-current]{color:#657e23;border-left-color:#a6bf3b}.course-toc a:hover{color:#64753e}.course-toc>p{font-family:var(--serif);font-size:13px;color:#a5ad96;line-height:1.9;margin-top:37px;padding-left:14px}.course-missing{padding:80px 40px;line-height:2}.course-missing h1{font-size:28px}.course-missing p{margin:12px 0;color:var(--muted)}.course-missing a{text-decoration:underline}
@media(min-width:1600px){.course-workspace{grid-template-columns:292px minmax(0,1fr)}.course-document-grid{max-width:1240px;grid-template-columns:minmax(0,780px) 156px;gap:75px;padding-top:52px}}
@media(max-width:1199px){.course-workspace{grid-template-columns:245px minmax(0,1fr)}.course-document-grid{grid-template-columns:minmax(0,1fr);max-width:860px;padding:35px 42px}.course-toc{display:none}.course-toolbar{padding:0 30px}.course-nav a{font-size:11px}.course-gate-intro{padding-left:40px;padding-right:35px}}

/* Imported course resources, desktop reading layout. */
.course-resource-link{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#f6f8ef;border:1px solid #e4e9d7;border-radius:5px;padding:15px 18px;margin:14px 0;color:#586b32;font-size:13px;line-height:1.85}.course-resource-link>span{overflow-wrap:anywhere;min-width:0}.course-resource-link svg{width:17px;height:17px}.course-resource-link:hover{background:#eef3dd;border-color:#c8d59f}.course-download{font-size:11px;color:#657a32;text-decoration:underline;text-underline-offset:4px}.course-source-copy{border:1px solid #e1e6d5;background:#fafbf6;border-radius:5px;margin:16px 0;overflow:hidden}.course-source-copy>div{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px solid #e6eadc;font-size:11px;color:#899276}.course-source-copy button{font-size:11px;background:#e9f0d2;padding:6px 10px;border-radius:4px;color:#596e2f}.course-source-copy>p{padding:15px 16px;font-size:13px;line-height:1.95;overflow-wrap:anywhere}.course-source-copy a{color:#657e36;text-decoration:underline;text-underline-offset:3px}