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.mod-workbuddy-course .skill-meta-val a{color:var(--accent);text-decoration:none;border-bottom:1px dashed var(--accent)}
.mod-workbuddy-course .skill-meta-val a:hover{color:var(--accent-2);border-bottom-color:var(--accent-2)}
.mod-workbuddy-course .skill-intro p{font-size:15px;line-height:1.95;color:var(--text);margin:0 0 18px}
.mod-workbuddy-course .skill-intro p:last-child{margin-bottom:0}
.mod-workbuddy-course .skill-intro mark{background:linear-gradient(transparent 62%, rgba(0,82,217,0.18) 62%);color:var(--text);padding:0 2px;font-weight:700}
.mod-workbuddy-course .skill-intro strong{color:var(--text);font-weight:700}
.mod-workbuddy-course .case-prompt{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:18px 22px;margin:0 0 28px;font-size:14.5px;line-height:1.85;color:var(--text);position:relative}
.mod-workbuddy-course .case-prompt::before{content:"用户提问";display:block;font-family:var(--mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-mute);margin-bottom:10px;font-weight:600}
.mod-workbuddy-course .case-prompt code{font-family:var(--mono);font-size:12.5px;color:var(--accent);background:rgba(0,82,217,0.06);padding:1px 6px;border-radius:4px;word-break:break-all}
.mod-workbuddy-course .case-prompt strong{color:var(--text);font-weight:700}
.mod-workbuddy-course .case-flow{margin:0 0 32px}
.mod-workbuddy-course .case-flow-label{font-family:var(--mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-mute);margin:0 0 14px;font-weight:600}
.mod-workbuddy-course .case-flow-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--border)}
.mod-workbuddy-course .case-flow-list li{position:relative;padding:10px 0 10px 26px;font-size:14.5px;line-height:1.75;color:var(--text)}
.mod-workbuddy-course .case-flow-list li::before{content:"";position:absolute;left:-4px;top:16px;width:7px;height:7px;background:var(--accent);border-radius:50%}
.mod-workbuddy-course .case-flow-list li code{font-family:var(--mono);font-size:12.5px;color:var(--accent);background:rgba(0,82,217,0.06);padding:1px 6px;border-radius:4px}
.mod-workbuddy-course .case-doc{background:#fff;border:1px solid rgba(0,82,217,0.14);border-radius:12px;padding:32px 36px;margin:0 0 32px;box-shadow:0 1px 2px rgba(11,18,32,0.04), 0 12px 32px rgba(11,18,32,0.08), 0 24px 64px rgba(0,82,217,0.06);position:relative;overflow:hidden}
.mod-workbuddy-course .case-doc::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg, #0052d9 0%, #4a8fff 35%, #7ab8ff 55%, #ffc24a 80%, #ffb020 100%)}
.mod-workbuddy-course .case-doc-tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);background:rgba(0,82,217,0.08);padding:4px 10px;border-radius:4px;margin-bottom:14px;font-weight:700}
.mod-workbuddy-course .case-doc h4.case-doc-title{font-family:var(--serif);font-weight:800;font-size:20px;line-height:1.45;margin:0 0 14px;color:var(--text);letter-spacing:0.02em}
.mod-workbuddy-course .case-doc-meta{font-size:13.5px;line-height:1.95;color:var(--text-mute);margin:0 0 18px;padding-bottom:16px;border-bottom:1px dashed var(--border)}
.mod-workbuddy-course .case-doc-meta strong{color:var(--text);font-weight:700;margin-right:6px;letter-spacing:0.02em}
.mod-workbuddy-course .case-doc h5.case-doc-sub{font-family:var(--serif);font-weight:700;font-size:15px;margin:0 0 12px;color:var(--text);letter-spacing:0.04em}
.mod-workbuddy-course .case-doc ol{padding-left:22px;margin:0;font-size:14.5px;line-height:1.85;color:var(--text)}
.mod-workbuddy-course .case-doc ol li{margin-bottom:10px}
.mod-workbuddy-course .case-doc ol li:last-child{margin-bottom:0}
.mod-workbuddy-course .case-doc ol li strong{color:var(--text);font-weight:700}
.mod-workbuddy-course .case-doc mark{background:linear-gradient(transparent 62%, rgba(0,82,217,0.18) 62%);color:var(--text);padding:0 2px;font-weight:700}
.mod-workbuddy-course .chapter-footer{position:sticky;bottom:0;z-index:30;height:72px;margin:40px 0 0;padding:0;background:rgba(255,255,255,0.94);backdrop-filter:blur(12px);border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px}
.mod-workbuddy-course .chapter-footer a{display:inline-flex;align-items:center;gap:12px;padding:10px 18px;background:var(--accent);color:#fff;border-radius:8px;text-decoration:none;transition:all .15s;font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-weight:700;letter-spacing:0.06em}
.mod-workbuddy-course .chapter-footer a:hover{background:var(--accent-2);box-shadow:0 6px 18px rgba(0,82,217,0.32)}
.mod-workbuddy-course .chapter-footer .cf-next:hover{transform:translateX(2px)}
.mod-workbuddy-course .chapter-footer .cf-prev{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.mod-workbuddy-course .chapter-footer .cf-prev:hover{background:var(--accent-soft);box-shadow:none;transform:translateX(-2px)}
.mod-workbuddy-course .chapter-footer .cf-label{font-size:14px;letter-spacing:0.18em}
.mod-workbuddy-course .chapter-footer .cf-arrow{font-size:18px;line-height:1}
.mod-workbuddy-course .chapter-footer.finish .cf-next{background:var(--text);color:#fff}
.mod-workbuddy-course .chapter-footer.finish .cf-next:hover{background:var(--accent)}
.mod-workbuddy-course .chapter-footer .cf-spacer{flex:1}
.mod-workbuddy-course .fab{position:fixed;right:32px;bottom:32px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,82,217,0.32);font-size:20px;opacity:0;pointer-events:none;transform:translateY(8px);transition:all .2s;border:none}
.mod-workbuddy-course .fab.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.mod-workbuddy-course .fab:hover{background:var(--accent-2)}
.mod-workbuddy-course .toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--text);color:#fff;padding:11px 22px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:all .25s;z-index:100;font-family:var(--sans)}
.mod-workbuddy-course .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.mod-workbuddy-course .icon-placeholder{width:44px;height:44px;background:var(--accent-soft);color:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:900;font-size:20px}
.mod-workbuddy-course .learn-goals{background:linear-gradient(135deg,rgba(0,82,217,0.05) 0%,rgba(0,82,217,0.01) 100%);border:1px solid var(--border);border-left:3px solid var(--accent);padding:20px 26px;margin:20px 0 30px;border-radius:0 6px 6px 0}
.mod-workbuddy-course .learn-goals-label{font-family:var(--serif);font-size:12px;letter-spacing:0.22em;color:var(--accent);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mod-workbuddy-course .learn-goals ul{padding-left:20px;margin:0}
.mod-workbuddy-course .learn-goals li{font-size:14.5px;line-height:1.75;color:var(--text);margin-bottom:6px}
.mod-workbuddy-course .learn-goals li:last-child{margin-bottom:0}
.mod-workbuddy-course .md-table{width:100%;border-collapse:collapse;margin:18px 0 26px;font-family:var(--sans);font-size:14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.mod-workbuddy-course .md-table thead th{background:linear-gradient(180deg,rgba(0,82,217,0.06) 0%,rgba(0,82,217,0.02) 100%);color:var(--text);font-weight:700;font-size:13.5px;padding:12px 16px;text-align:left;letter-spacing:0.02em;border-bottom:2px solid var(--accent)}
.mod-workbuddy-course .md-table tbody td{padding:11px 16px;border-bottom:1px solid var(--border);color:var(--text);line-height:1.7;vertical-align:top}
.mod-workbuddy-course .md-table tbody tr:last-child td{border-bottom:none}
.mod-workbuddy-course .md-table tbody tr:hover{background:rgba(0,82,217,0.025)}
.mod-workbuddy-course .md-table strong{color:var(--accent);font-weight:700}
.mod-workbuddy-course .step-detail{background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;padding:20px 24px;margin:14px 0;position:relative;border-left:3px solid var(--accent)}
.mod-workbuddy-course .step-detail h4.step-title{font-family:var(--serif);font-weight:700;font-size:17px;margin:0 0 12px;color:var(--text);letter-spacing:0.02em;display:flex;align-items:center;gap:10px}
.mod-workbuddy-course .step-detail .step-badge{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:0.1em;color:#fff;background:var(--accent);padding:3px 9px;border-radius:4px;font-weight:700;flex-shrink:0}
.mod-workbuddy-course .step-detail .step-row{margin:8px 0;font-size:14.5px;line-height:1.75;color:var(--text)}
.mod-workbuddy-course .step-detail .step-row strong{display:inline-block;color:var(--accent);font-weight:700;margin-right:6px;font-family:var(--serif)}
.mod-workbuddy-course .step-detail ul{padding-left:20px;margin:6px 0}
.mod-workbuddy-course .step-detail ul li{margin-bottom:4px;font-size:14px;color:var(--text-mute)}
.mod-workbuddy-course .step-detail ul li strong{color:var(--text);font-family:var(--serif)}
.mod-workbuddy-course .shot-img{display:block;width:100%;max-width:100%;height:auto;border:1px solid var(--border);border-radius:8px;margin:18px 0 26px;box-shadow:0 4px 16px rgba(0,82,217,0.08);background:var(--bg-soft);cursor:pointer}
.mod-workbuddy-course .shot-cap{font-family:var(--serif);font-size:13px;color:var(--text-dim);text-align:center;margin:-18px 0 26px;padding-top:8px;letter-spacing:0.06em;font-style:italic}
.mod-workbuddy-course .practice{background:linear-gradient(135deg,rgba(255,178,32,0.06) 0%,rgba(255,178,32,0.01) 100%);border:1px solid rgba(255,178,32,0.25);border-left:3px solid #ffb020;padding:20px 26px;margin:18px 0;border-radius:0 6px 6px 0}
.mod-workbuddy-course .practice-tier{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:#b87209;background:rgba(255,178,32,0.15);padding:3px 10px;border-radius:4px;margin-bottom:12px;font-weight:700}
.mod-workbuddy-course .practice h4{font-family:var(--serif);font-weight:700;font-size:17px;margin:0 0 10px;color:var(--text);letter-spacing:0.02em}
.mod-workbuddy-course .practice ol,.mod-workbuddy-course .practice ul{padding-left:22px;margin:8px 0}
.mod-workbuddy-course .practice li{margin-bottom:5px;font-size:14.5px;line-height:1.75;color:var(--text)}
.mod-workbuddy-course .practice .practice-criteria{font-size:13.5px;color:var(--text-mute);margin-top:10px;padding-top:10px;border-top:1px dashed rgba(255,178,32,0.4)}
.mod-workbuddy-course .practice .practice-criteria strong{color:#b87209;font-weight:700}
.mod-workbuddy-course .section-summary{background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;padding:24px 28px;margin:32px 0 24px;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.mod-workbuddy-course .section-summary-label{font-family:var(--serif);font-size:13px;letter-spacing:0.22em;color:var(--accent);font-weight:700;margin-bottom:14px;text-transform:uppercase;padding-bottom:10px;border-bottom:1px solid var(--border)}
.mod-workbuddy-course .section-summary h4{font-family:var(--serif);font-weight:700;font-size:16px;margin:18px 0 10px;color:var(--text);letter-spacing:0.02em}
.mod-workbuddy-course .section-summary h4:first-of-type{margin-top:0}
.mod-workbuddy-course .section-summary ul,.mod-workbuddy-course .section-summary ol{padding-left:22px;margin:8px 0 0}
.mod-workbuddy-course .section-summary li{font-size:14.5px;line-height:1.8;color:var(--text);margin-bottom:6px}
.mod-workbuddy-course .faq-block{margin:14px 0}
.mod-workbuddy-course .faq-item{background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;padding:16px 20px;margin-bottom:10px;transition:border-color .15s,box-shadow .15s}
.mod-workbuddy-course .faq-item:hover{border-color:var(--accent);box-shadow:0 4px 12px rgba(0,82,217,0.06)}
.mod-workbuddy-course .faq-q{font-family:var(--serif);font-weight:700;font-size:15px;color:var(--text);margin-bottom:8px;letter-spacing:0.02em;display:flex;align-items:flex-start;gap:10px}
.mod-workbuddy-course .faq-q::before{content:"Q";display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--accent);color:#fff;border-radius:50%;font-family:var(--mono);font-size:12px;font-weight:700;flex-shrink:0}
.mod-workbuddy-course .faq-a{font-size:14px;line-height:1.8;color:var(--text-mute);padding-left:32px}
.mod-workbuddy-course .faq-a a{color:var(--accent);text-decoration:none;border-bottom:1px dashed var(--accent)}
.mod-workbuddy-course .faq-a a:hover{color:var(--accent-2)}
.mod-workbuddy-course .doc-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:13.5px;color:var(--accent);text-decoration:none;background:var(--accent-soft);padding:6px 12px;border-radius:6px;margin:6px 0;border:1px solid rgba(0,82,217,0.15);transition:all .15s}
.mod-workbuddy-course .doc-link:hover{background:var(--accent);color:#fff}
.mod-workbuddy-course .doc-link::before{content:"📖";font-size:14px}
.mod-workbuddy-course .tip-inline{background:rgba(255,178,32,0.08);border-left:3px solid #ffb020;padding:10px 16px;margin:14px 0;border-radius:0 4px 4px 0;font-size:14px;line-height:1.7;color:var(--text)}
.mod-workbuddy-course .tip-inline strong{color:#b87209;font-weight:700}
@media (max-width:960px){.mod-workbuddy-course .layout{grid-template-columns:1fr}.mod-workbuddy-course .sidebar{display:none}.mod-workbuddy-course .content{padding:40px 22px}.mod-workbuddy-course .scenes{grid-template-columns:1fr}.mod-workbuddy-course h1.page-title{font-size:52px}.mod-workbuddy-course h2.sec-title{font-size:34px}.mod-workbuddy-course .md-table{font-size:13px}.mod-workbuddy-course .md-table thead th,.mod-workbuddy-course .md-table tbody td{padding:8px 10px}}
.mod-workbuddy-course .lightbox{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,0.85);display:flex;align-items:center;justify-content:center;cursor:pointer}
.mod-workbuddy-course .lightbox img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:4px}
.mod-workbuddy-course .lightbox-close{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.15);border:none;color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.mod-workbuddy-course .lightbox-close:hover{background:rgba(255,255,255,0.3)}

/* Offline archive additions */
html,body{margin:0;padding:0;background:#fbfcfe}
.offline-course .chapter{display:none}
.offline-course .chapter.active{display:block}
.offline-course .toc-l1,.offline-course .toc-l2{cursor:pointer}
.offline-course .toc-l1{text-decoration:none}
.offline-course .toc-l2{text-decoration:none}
.standalone-course{min-height:100vh;background:var(--bg)}
.standalone-course .content{margin:0 auto;max-width:920px;padding-bottom:64px}
.standalone-back{font-size:14px;margin:0 0 18px}
.standalone-back a,.lesson-file-nav a{color:var(--accent);text-decoration:none}
.lesson-file-nav{display:flex;gap:18px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding:12px 0 20px;border-bottom:1px solid var(--border);margin-bottom:24px;font-size:14px}
.lesson-file-link{margin:18px 0 24px;font-size:13px}
.lesson-file-link a{color:var(--accent);text-decoration:none}
@media (max-width:960px){.standalone-course .content{padding:40px 22px}}