.legacy-training-page {
    --bg: #f7f8f4;
    --panel: #fff;
    --text: #1f2933;
    --muted: #65717f;
    --line: #dce3df;
    --primary: #167c80;
    --primary-dark: #0d5e62;
    --accent: #b84a3a;
    --ok: #2f855a;
    --warn: #9f6b13;
    --shadow: 0 10px 28px rgba(31, 41, 51, .08);
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
}

.legacy-training-page *, .legacy-training-page *::before, .legacy-training-page *::after { box-sizing: border-box; }
.legacy-training-page a { color: var(--primary); text-decoration: none; }
.legacy-training-page img, .legacy-training-page video, .legacy-training-page audio { max-width: 100%; }
.legacy-training-page video, .legacy-training-page audio { width: 100%; border-radius: 8px; }
.legacy-training-page .container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }

.legacy-training-page .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    box-shadow: none;
}
.legacy-training-page .header-inner { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.legacy-training-page .training-brand { color: var(--text); font-weight: 800; }
.legacy-training-page .training-nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }
.legacy-training-page .training-nav a, .legacy-training-page .training-nav-button { padding: 0; color: var(--text); background: none; border: 0; font: inherit; font-size: .95rem; cursor: pointer; }
.legacy-training-page .training-nav form { display: inline-flex; margin: 0; }
.legacy-training-page .training-main { min-height: calc(100vh - 117px); padding-top: 18px; padding-bottom: 42px; }

.legacy-training-page h1, .legacy-training-page h2, .legacy-training-page h3 { color: var(--text); font-family: inherit; line-height: 1.3; letter-spacing: 0; }
.legacy-training-page h1 { margin: 0 0 14px; font-size: 1.6rem; }
.legacy-training-page h2 { margin: 20px 0 10px; font-size: 1.25rem; }
.legacy-training-page h3 { margin: 0 0 8px; font-size: 1.08rem; }
.legacy-training-page p { margin-top: 0; }
.legacy-training-page .muted { color: var(--muted); }
.legacy-training-page .lead { color: var(--muted); font-size: 1.05rem; }
.legacy-training-page .dashboard-head { padding: 6px 0 12px; }

.legacy-training-page .camp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.legacy-training-page .camp-card,
.legacy-training-page .progress-box,
.legacy-training-page .score-box,
.legacy-training-page .note,
.legacy-training-page .lesson-row,
.legacy-training-page .question-card {
    padding: 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}
.legacy-training-page .camp-card { overflow: hidden; }
.legacy-training-page .camp-cover, .legacy-training-page .detail-cover { width: 100%; display: block; object-fit: cover; background: #e9eee9; }
.legacy-training-page .camp-cover { height: 190px; border-radius: 8px 8px 0 0; }
.legacy-training-page .detail-cover { max-height: 360px; margin-bottom: 18px; border-radius: 8px; }
.legacy-training-page .camp-body { padding: 16px; }
.legacy-training-page .camp-body p { min-height: 3.3em; }

.legacy-training-page .btn, .legacy-training-page button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    padding: 10px 16px;
    color: var(--primary);
    background: #fff;
    border: 1px solid var(--primary);
    border-radius: 8px;
    font: inherit;
    font-size: 1rem;
    cursor: pointer;
}
.legacy-training-page .btn.primary, .legacy-training-page button.btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.legacy-training-page .btn:hover, .legacy-training-page button.btn:hover { color: var(--primary-dark); border-color: var(--primary-dark); }
.legacy-training-page .btn.primary:hover, .legacy-training-page button.btn.primary:hover { color: #fff; background: var(--primary-dark); }
.legacy-training-page .btn.small { min-height: 36px; padding: 6px 12px; font-size: .92rem; }

.legacy-training-page .flash { width: auto; margin: 0 0 16px; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .flash-success { color: var(--ok); border-color: #b7dfcb; }
.legacy-training-page .flash-error { color: var(--accent); border-color: #e8b8ae; }
.legacy-training-page .empty { padding: 20px; color: var(--muted); background: #fff; border: 1px dashed var(--line); border-radius: 8px; }

.legacy-training-page .meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.legacy-training-page .meta-row span, .legacy-training-page .badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 3px 10px;
    color: var(--primary-dark);
    background: #eef5f4;
    border-radius: 999px;
    font-size: .9rem;
}
.legacy-training-page .badge.done { color: var(--ok); background: #e7f5ed; }
.legacy-training-page .badge.lock { color: var(--accent); background: #f8ebe8; }
.legacy-training-page .badge.open, .legacy-training-page .badge.pending { color: var(--warn); background: #fff6dd; }
.legacy-training-page .progress-line { width: 100%; height: 10px; margin: 10px 0; overflow: hidden; background: #e7ece9; border-radius: 999px; }
.legacy-training-page .progress-line span { display: block; height: 100%; background: var(--primary); }
.legacy-training-page .progress-box { padding: 0; overflow: hidden; box-shadow: var(--shadow); }
.legacy-training-page .progress-box > strong { display: block; padding: 0 0 0; }
.legacy-training-page .progress-box .progress-line { margin-bottom: 0; }

.legacy-training-page .camp-detail { display: block; }
.legacy-training-page .camp-detail > h1 { font-size: 1.6rem; }
.legacy-training-page .rich-text { overflow-wrap: anywhere; }
.legacy-training-page .rich-text p { margin: 0 0 1em; }
.legacy-training-page .section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 18px 0 12px; }
.legacy-training-page .lesson-list { display: grid; gap: 10px; }
.legacy-training-page .lesson-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px; box-shadow: none; }
.legacy-training-page .lesson-row.is-locked { opacity: .72; }
.legacy-training-page .row-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }

.legacy-training-page .lesson-detail { position: relative; z-index: 2; max-width: 860px; }
.legacy-training-page .lesson-detail section { margin: 18px 0; }
.legacy-training-page .back-link { display: inline-block; margin-bottom: 12px; }
.legacy-training-page .lesson-hero { margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.legacy-training-page .lesson-kicker { display: inline-flex; align-items: center; min-height: 30px; margin-bottom: 10px; padding: 3px 11px; color: var(--primary-dark); background: #eef5f4; border-radius: 999px; font-size: .92rem; font-weight: 800; }
.legacy-training-page .lesson-hero h1 { margin-bottom: 12px; font-size: 1.8rem; }
.legacy-training-page .lesson-section-label { margin-bottom: 10px; color: var(--primary-dark); font-size: .95rem; font-weight: 900; }
.legacy-training-page .lesson-intro { margin: 14px 0 0; padding: 18px 20px; background: #f1f8f7; border: 1px solid #c9dedc; border-left: 5px solid var(--primary); border-radius: 8px; }
.legacy-training-page .lesson-intro-text { color: #355064; font-size: 1.08rem; line-height: 1.9; }
.legacy-training-page .lesson-intro-text p, .legacy-training-page .lesson-panel-body p, .legacy-training-page .reading-content p { margin: 0 0 1.05em; }
.legacy-training-page .lesson-intro-text p:last-child, .legacy-training-page .lesson-panel-body p:last-child, .legacy-training-page .reading-content p:last-child { margin-bottom: 0; }

.legacy-training-page .lesson-panel { padding: 18px 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .lesson-panel h2, .legacy-training-page .lesson-article h2, .legacy-training-page .reading-content h2 { margin-top: 0; }
.legacy-training-page .lesson-goal { border-left: 5px solid var(--primary); }
.legacy-training-page .task-panel { border-left: 5px solid var(--warn); }
.legacy-training-page .quiz-preview-panel { border-left: 5px solid var(--accent); }
.legacy-training-page .lesson-panel-body { font-size: 1.04rem; line-height: 1.85; }
.legacy-training-page .lesson-support-content { overflow-wrap: anywhere; }
.legacy-training-page .lesson-support-content > p { text-align: justify; }
.legacy-training-page .lesson-support-content > p:first-child { color: #263b4a; font-weight: 600; }
.legacy-training-page .lesson-support-content h2 { margin: .5em 0 .75em; font-size: 1.25rem; }
.legacy-training-page .lesson-support-content h3 { margin: 1em 0 .6em; }
.legacy-training-page .section-points { display: grid; gap: 10px; margin: 14px 0 4px; padding: 0; list-style: none; counter-reset: section-point; }
.legacy-training-page .section-points li { position: relative; min-height: 34px; margin: 0; padding: 7px 10px 7px 46px; background: #f8fbfa; border: 1px solid #dce7e5; border-radius: 8px; }
.legacy-training-page .section-points li::before { position: absolute; top: 7px; left: 9px; display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; color: #fff; background: var(--primary); border-radius: 50%; content: counter(section-point); counter-increment: section-point; font-size: .88rem; font-weight: 800; }

.legacy-training-page .lesson-article { padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .reading-content { color: #22303d; overflow-wrap: anywhere; font-size: 1.08rem; line-height: 1.95; }
.legacy-training-page .reading-content h2, .legacy-training-page .reading-content h3, .legacy-training-page .reading-content h4 { margin: 1.45em 0 .65em; color: var(--text); line-height: 1.35; }
.legacy-training-page .reading-content img { display: block; max-width: 100%; height: auto; margin: 16px auto; border-radius: 8px; }
.legacy-training-page .media-panel video { display: block; max-height: 70vh; margin-top: 4px; background: #111; }
.legacy-training-page .media-panel audio { margin-top: 4px; }

.legacy-training-page .quiz-preview-list { display: grid; gap: 12px; margin-top: 14px; }
.legacy-training-page .quiz-preview-card { padding: 14px; background: #fffdfb; border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .question-image { display: block; width: auto; max-width: 100%; max-height: 560px; margin: 12px auto; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .quiz-preview-title { display: flex; align-items: flex-start; gap: 10px; line-height: 1.65; }
.legacy-training-page .quiz-preview-title > span { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; color: #fff; background: var(--accent); border-radius: 999px; font-size: .92rem; font-weight: 800; }
.legacy-training-page .quiz-preview-title strong { flex: 1 1 auto; }
.legacy-training-page .question-type-badge, .legacy-training-page .quiz-answer-status { display: inline-flex; flex: 0 0 auto; align-items: center; min-height: 28px; padding: 3px 9px; border-radius: 999px; font-size: .84rem; font-style: normal; font-weight: 700; white-space: nowrap; }
.legacy-training-page .question-type-badge { color: var(--primary-dark); background: #eef5f4; }
.legacy-training-page .quiz-answer-status.is-answered { color: #23724c; background: #e5f5ec; }
.legacy-training-page .quiz-answer-status.is-pending { color: #9a4939; background: #faece8; }
.legacy-training-page .quiz-preview-options { display: grid; gap: 8px; margin-top: 12px; }
.legacy-training-page .quiz-preview-option { padding: 8px 10px; color: #3a2d29; background: #fff7f2; border: 1px solid #eadbd5; border-radius: 8px; }
.legacy-training-page .quiz-preview-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

.legacy-training-page .lesson-actions { position: sticky; bottom: 0; z-index: 5; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; padding: 12px 0; background: rgba(247, 248, 244, .94); border-top: 1px solid var(--line); }
.legacy-training-page .lesson-actions form { margin: 0; }
.legacy-training-page .note { margin: 14px 0; padding: 14px; border-left: 4px solid var(--primary); box-shadow: none; }
.legacy-training-page .question-card { margin: 14px 0; padding: 16px; box-shadow: none; }
.legacy-training-page .question-card h2 { font-size: 1.08rem; }
.legacy-training-page .question-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.legacy-training-page .question-heading h2 { margin: 0 0 12px; }
.legacy-training-page label { display: block; margin-bottom: 14px; font-weight: 700; }
.legacy-training-page input, .legacy-training-page textarea { width: 100%; min-height: 44px; margin-top: 6px; padding: 10px 12px; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.legacy-training-page textarea { min-height: 120px; resize: vertical; }
.legacy-training-page .option-row { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; font-weight: 500; }
.legacy-training-page .option-row input { flex: 0 0 auto; width: 20px; min-height: 20px; margin: 4px 0 0; }
.legacy-training-page .answer-block { margin: 12px 0; padding: 12px 14px; background: #f8fbfa; border: 1px solid var(--line); border-radius: 8px; }
.legacy-training-page .answer-block p { margin: 6px 0 0; }
.legacy-training-page .score-box { display: flex; justify-content: space-between; gap: 12px; padding: 16px; box-shadow: none; }
.legacy-training-page .score-box strong { display: block; color: var(--primary-dark); font-size: 1.5rem; }

.legacy-training-page .anti-piracy-watermark-grid { position: fixed; inset: 0; z-index: 1; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 44px 22px; padding: 34px 18px; overflow: hidden; pointer-events: none; opacity: .42; user-select: none; }
.legacy-training-page .anti-piracy-watermark-grid span { display: block; min-height: 74px; color: rgba(22, 124, 128, .075); font-size: 13px; line-height: 1.5; font-weight: 700; text-align: center; white-space: pre-line; transform: rotate(-24deg); }
.anti-piracy-print-block { display: none; }

.legacy-training-page .site-footer { margin-top: 0; padding: 20px 0; color: var(--muted); background: #fff; border-top: 1px solid var(--line); }
.legacy-training-page .site-footer .container { padding-block: 0; }
.legacy-training-page .pagination { margin-top: 20px; }

@media (max-width: 768px) {
    .legacy-training-page .container { padding-right: 12px; padding-left: 12px; }
    .legacy-training-page .header-inner { align-items: flex-start; flex-direction: column; padding-top: 10px; padding-bottom: 10px; }
    .legacy-training-page .training-nav { justify-content: flex-start; }
    .legacy-training-page .camp-grid { grid-template-columns: 1fr; }
    .legacy-training-page .camp-cover { height: 170px; }
    .legacy-training-page .section-head, .legacy-training-page .lesson-row, .legacy-training-page .score-box { align-items: stretch; flex-direction: column; }
    .legacy-training-page .row-actions, .legacy-training-page .lesson-actions { justify-content: stretch; }
    .legacy-training-page .btn, .legacy-training-page button.btn { width: 100%; }
    .legacy-training-page .btn.small { width: auto; }
    .legacy-training-page h1 { font-size: 1.45rem; }
    .legacy-training-page .lesson-detail { max-width: 100%; }
    .legacy-training-page .lesson-hero h1 { font-size: 1.5rem; }
    .legacy-training-page .lesson-intro, .legacy-training-page .lesson-panel, .legacy-training-page .lesson-article { padding: 15px 14px; }
    .legacy-training-page .lesson-intro-text, .legacy-training-page .lesson-panel-body, .legacy-training-page .reading-content { font-size: 1rem; line-height: 1.85; }
    .legacy-training-page .lesson-actions { margin-right: -12px; margin-left: -12px; padding: 12px; }
    .legacy-training-page .question-heading, .legacy-training-page .quiz-preview-title { flex-direction: column; }
}

@media print {
    body.xly-protected-page * { visibility: hidden !important; }
    body.xly-protected-page .anti-piracy-print-block { position: fixed; inset: 0; z-index: 2147483647; display: block !important; padding: 40px; color: #111; background: #fff; font-size: 22px; line-height: 1.7; visibility: visible !important; }
}