/* Curriculum content follows the existing ROBOBOOM blue/orange visual language. */
#rb-curriculum{--blue:#00a0e9;--orange:#ea5514;--ink:#293b45;--muted:#657681;--line:#dce7ec;color:var(--ink);font-family:'Open Sans','Microsoft YaHei',Arial,sans-serif;font-size:15px;line-height:1.8}
#rb-curriculum *{box-sizing:border-box}
#rb-curriculum [hidden]{display:none!important}
#rb-curriculum h1,#rb-curriculum h2,#rb-curriculum h3,#rb-curriculum h4,#rb-curriculum p{margin:0}
#rb-curriculum a{text-decoration:none}
#rb-curriculum a:focus-visible,#rb-curriculum button:focus-visible,#rb-curriculum summary:focus-visible,#rb-curriculum input:focus-visible,#rb-curriculum select:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
#rb-curriculum button,#rb-curriculum input,#rb-curriculum select{font:inherit}
#rb-curriculum button{cursor:pointer}
#rb-curriculum .rb-curriculum-intro{text-align:center;padding:65px 0 49px}
#rb-curriculum h1{font:400 44px/1.2 'Ubuntu',sans-serif;color:var(--orange)}
#rb-curriculum .rb-curriculum-subtitle{font-size:22px;line-height:1.65;margin-top:18px;font-weight:500}
#rb-curriculum .rb-curriculum-version{color:var(--blue);font-size:13px;letter-spacing:1px;margin-top:12px}
#rb-curriculum .rb-curriculum-lead{font-size:16px;line-height:1.95;margin-top:26px}
#rb-curriculum .rb-curriculum-en{font-size:13px;color:var(--muted);margin-top:10px}
#rb-curriculum .rb-curriculum-scale{font-size:13px;color:var(--muted);margin:24px 0 21px;display:flex;justify-content:center;flex-wrap:wrap;gap:6px 24px}
#rb-curriculum .rb-curriculum-scale>span{white-space:nowrap}
#rb-curriculum .rb-curriculum-download{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--orange);color:white;font-size:14px;line-height:1.6;padding:12px 18px;transition:background .15s}
#rb-curriculum .rb-curriculum-download:hover{background:#d5490c}
#rb-curriculum .rb-file-type{border-left:1px solid #ffffff70;padding-left:12px;margin-left:4px;font-size:11px;letter-spacing:1px}
#rb-curriculum .rb-curriculum-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-bottom:64px}
#rb-curriculum .rb-curriculum-path-step{display:flex;flex-direction:column;padding-top:21px;border-top:3px solid var(--blue);color:var(--ink)}
#rb-curriculum .rb-path-code{color:var(--blue);font:400 36px/1.2 'Ubuntu',sans-serif}
#rb-curriculum .rb-curriculum-path h2{font-size:18px;font-weight:600;line-height:1.65;margin-top:12px}
#rb-curriculum .rb-path-en{font-size:11px;color:var(--muted);margin-top:4px;line-height:1.6;min-height:36px}
#rb-curriculum .rb-curriculum-path p{font-size:13px;line-height:1.9;margin:14px 0 22px}
#rb-curriculum .rb-path-foot{display:block;color:var(--blue);font-size:13px;margin-top:auto}
#rb-curriculum .rb-path-foot>span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
#rb-curriculum .rb-path-foot>span>span{float:right;color:var(--blue);font-size:18px;line-height:1.2}
#rb-curriculum .rb-curriculum-path-step:hover{border-color:var(--orange)}
#rb-curriculum .rb-curriculum-path-step:hover h2{color:var(--orange)}
#rb-curriculum .rb-curriculum-browser{background:#fafafa;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0;padding:60px 0 65px;scroll-margin-top:25px}
#rb-curriculum .rb-browse-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
#rb-curriculum .rb-browse-heading h2{font-size:28px;font-weight:500;line-height:1.5}
#rb-curriculum .rb-browse-heading div>p{color:var(--blue);font-size:13px;margin-top:4px}
#rb-curriculum .rb-browse-heading>p{color:var(--muted);font-size:13px}
#rb-curriculum .rb-level-filters{display:flex;border-bottom:1px solid #ccdce3;gap:4px}
#rb-curriculum .rb-level-filters button{background:transparent;border:0;border-bottom:3px solid transparent;padding:12px 22px;color:var(--muted);font-size:16px;line-height:1.4;margin-bottom:-1px}
#rb-curriculum .rb-level-filters button span{font-size:13px;margin-left:8px}
#rb-curriculum .rb-level-filters button[aria-pressed=true]{border-bottom-color:var(--orange);color:var(--orange);font-weight:600}
#rb-curriculum .rb-level-filters button:hover{color:var(--orange)}
#rb-curriculum .rb-curriculum-tools{display:flex;align-items:end;gap:20px;padding:23px 0 18px}
#rb-curriculum label{font-weight:400;font-size:12px;color:var(--muted);margin:0}
#rb-curriculum select,#rb-curriculum input{display:block;background:white;border:1px solid #cbd9e0;color:var(--ink);padding:9px 12px;border-radius:0;height:43px;width:100%;margin-top:6px;font-size:14px;line-height:1.5}
#rb-curriculum input::placeholder{color:#7d8a92;opacity:1}
#rb-curriculum .rb-project-field{width:190px;flex-shrink:0}
#rb-curriculum .rb-search-field{flex:1;max-width:520px;min-width:0}
#rb-curriculum .rb-filter-reset{background:transparent;border:0;border-bottom:1px solid #cadce5;color:var(--blue);font-size:13px;line-height:1.5;padding:10px 0;flex-shrink:0}
#rb-curriculum .rb-result-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--muted);font-size:12px;min-height:36px;margin-bottom:24px}
#rb-curriculum .rb-result-toolbar button{color:var(--blue);background:none;border:0;padding:8px 2px;font-size:12px}
#rb-curriculum .rb-result-toolbar button:hover{color:var(--orange)}
#rb-curriculum .rb-curriculum-level{scroll-margin-top:25px;margin-top:20px}
#rb-curriculum .rb-curriculum-level+.rb-curriculum-level{margin-top:36px}
#rb-curriculum .rb-level-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
#rb-curriculum .rb-level-heading>div>span{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}
#rb-curriculum .rb-level-heading>div>span>span{margin-left:5px;font-size:11px}
#rb-curriculum .rb-level-heading h3{font-size:22px;line-height:1.5;font-weight:500}
#rb-curriculum .rb-level-heading h3 b{font-weight:500;color:var(--blue);margin-right:9px}
#rb-curriculum .rb-level-heading>p{font-size:12px;color:var(--muted);flex-shrink:0}
#rb-curriculum .rb-curriculum-module{background:white;border:1px solid var(--line);margin-bottom:10px}
#rb-curriculum .rb-curriculum-module summary{display:flex;align-items:center;gap:20px;padding:18px 22px;cursor:pointer;list-style:none;line-height:1.5}
#rb-curriculum summary::-webkit-details-marker{display:none}
#rb-curriculum summary::marker{content:''}
#rb-curriculum .rb-module-code{font-size:14px;color:var(--blue);width:49px;flex-shrink:0}
#rb-curriculum summary h4{font-size:16px;font-weight:600;flex:1;line-height:1.5}
#rb-curriculum .rb-module-meta{color:var(--muted);font-size:12px;flex-shrink:0}
#rb-curriculum .rb-module-toggle{width:12px;height:12px;position:relative;flex-shrink:0;margin-left:8px}
#rb-curriculum .rb-module-toggle:before,#rb-curriculum .rb-module-toggle:after{content:'';position:absolute;background:var(--blue);width:12px;height:2px;top:5px;left:0}
#rb-curriculum .rb-module-toggle:after{transform:rotate(90deg)}
#rb-curriculum details[open] .rb-module-toggle:after{display:none}
#rb-curriculum details[open]>summary{border-bottom:1px solid var(--line);background:#f4fafc}
#rb-curriculum .rb-course-table-wrap{padding:0 22px 10px}
#rb-curriculum table{width:100%;table-layout:fixed;border-collapse:collapse;line-height:1.8;font-size:13px}
#rb-curriculum th,#rb-curriculum td{text-align:left;vertical-align:top;padding:15px 10px;border-bottom:1px solid #e7edef;font-weight:400;overflow-wrap:anywhere}
#rb-curriculum thead{color:var(--muted);font-size:11px}
#rb-curriculum thead th:nth-child(1){width:115px}
#rb-curriculum thead th:nth-child(2){width:265px}
#rb-curriculum tbody th{font-weight:500;color:var(--ink)}
#rb-curriculum .rb-course-code{font-size:11px;color:#607b8b;letter-spacing:.15px;white-space:nowrap;overflow-wrap:normal}
#rb-curriculum .rb-course-content{color:#516773}
#rb-curriculum tbody tr:last-child>*{border-bottom:0}
#rb-curriculum .rb-curriculum-empty{padding:38px 25px;text-align:center;background:white;border:1px solid var(--line);color:var(--muted)}
#rb-curriculum .rb-curriculum-source{display:flex;justify-content:space-between;align-items:center;gap:40px;padding-top:58px;padding-bottom:62px}
#rb-curriculum .rb-curriculum-source h2{font-size:24px;font-weight:500;margin-bottom:13px}
#rb-curriculum .rb-curriculum-source p{font-size:13px;color:var(--muted);line-height:1.9}
#rb-curriculum .rb-curriculum-source>a{flex-shrink:0}
@media(max-width:1199px){#rb-curriculum .rb-curriculum-path{gap:22px}#rb-curriculum .rb-curriculum-path h2{font-size:17px}}
@media(max-width:991px){
  #rb-curriculum .rb-curriculum-path{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  #rb-curriculum .rb-path-en{min-height:0}
  #rb-curriculum .rb-curriculum-source{align-items:start;flex-direction:column;gap:22px}
  #rb-curriculum thead th:nth-child(2){width:210px}
}
@media(max-width:767px){
  #rb-curriculum .rb-curriculum-intro{padding:40px 0 35px}
  #rb-curriculum h1{font-size:36px}
  #rb-curriculum .rb-curriculum-subtitle{font-size:18px;margin-top:14px}
  #rb-curriculum .rb-curriculum-lead{font-size:14px;margin-top:21px}
  #rb-curriculum .rb-curriculum-en{font-size:12px;max-width:340px;margin-left:auto;margin-right:auto}
  #rb-curriculum .rb-curriculum-scale{max-width:290px;margin:20px auto;line-height:1.8;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 16px}
  #rb-curriculum .rb-curriculum-download{font-size:13px;padding:11px 13px;gap:6px}
  #rb-curriculum .rb-curriculum-path{gap:26px 20px;margin-bottom:42px}
  #rb-curriculum .rb-curriculum-path-step{padding-top:14px}
  #rb-curriculum .rb-path-code{font-size:30px}
  #rb-curriculum .rb-curriculum-path h2{font-size:16px}
  #rb-curriculum .rb-path-en{font-size:10px;min-height:34px}
  #rb-curriculum .rb-curriculum-path p{font-size:13px;margin:10px 0 16px}
  #rb-curriculum .rb-path-foot{font-size:12px}
  #rb-curriculum .rb-path-foot>span{font-size:10px}
  #rb-curriculum .rb-curriculum-browser{padding:38px 0 42px}
  #rb-curriculum .rb-browse-heading{display:block;margin-bottom:23px}
  #rb-curriculum .rb-browse-heading h2{font-size:24px}
  #rb-curriculum .rb-browse-heading>p{margin-top:14px;font-size:12px}
  #rb-curriculum .rb-level-filters{gap:0;justify-content:space-between}
  #rb-curriculum .rb-level-filters button{padding:10px 9px;font-size:14px}
  #rb-curriculum .rb-level-filters button span{display:block;margin:3px 0 0;font-size:11px}
  #rb-curriculum .rb-curriculum-tools{display:grid;grid-template-columns:120px minmax(0,1fr);gap:12px;padding-top:20px}
  #rb-curriculum .rb-project-field{width:100%}
  #rb-curriculum .rb-search-field{max-width:none}
  #rb-curriculum input,#rb-curriculum select{font-size:16px;padding:8px}
  #rb-curriculum .rb-filter-reset{justify-self:start;grid-column:1/-1;padding:4px 0;font-size:12px}
  #rb-curriculum .rb-result-toolbar{align-items:start;gap:8px;margin-bottom:17px;font-size:11px}
  #rb-curriculum .rb-result-toolbar>div{white-space:nowrap}
  #rb-curriculum .rb-result-toolbar button{padding:0;font-size:11px}
  #rb-curriculum .rb-level-heading{display:block}
  #rb-curriculum .rb-level-heading h3{font-size:19px}
  #rb-curriculum .rb-level-heading>p{margin-top:7px;font-size:11px}
  #rb-curriculum .rb-curriculum-module summary{gap:10px;padding:15px 12px;flex-wrap:wrap}
  #rb-curriculum .rb-module-code{font-size:12px;width:43px}
  #rb-curriculum summary h4{font-size:15px}
  #rb-curriculum .rb-module-meta{font-size:11px;order:4;width:100%;padding-left:53px;margin-top:-5px}
  #rb-curriculum .rb-module-toggle{margin-left:3px}
  #rb-curriculum .rb-course-table-wrap{padding:0 14px}
  #rb-curriculum table,#rb-curriculum tbody{display:block}
  #rb-curriculum thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  #rb-curriculum tbody tr{display:flex;flex-wrap:wrap;gap:5px 12px;padding:14px 0;border-bottom:1px solid var(--line)}
  #rb-curriculum tbody tr:last-child{border-bottom:0}
  #rb-curriculum tbody td,#rb-curriculum tbody th{display:block;padding:0;border:0;font-size:14px}
  #rb-curriculum tbody .rb-course-code{font-size:11px;line-height:2.29}
  #rb-curriculum tbody th{flex:1;min-width:130px}
  #rb-curriculum tbody .rb-course-content{width:100%;font-size:14px}
  #rb-curriculum .rb-curriculum-source{padding-top:38px;padding-bottom:42px}
}