/* ============================================================
   云财务智能会计教学平台 — 场景交互界面设计系统
   风格参考: HTML场景 模板 (Ant Design 蓝 #1677ff + 深色顶栏 + 卡片)
   作用域: 全部限定在 .scene-root 内, 避免与 Tailwind 冲突
   ============================================================ */

.scene-root {
    --primary: #1677ff;
    --primary-hover: #0958d9;
    --primary-light: #e6f4ff;
    --success: #52c41a;
    --success-light: #f6ffed;
    --warning: #faad14;
    --warning-light: #fffbe6;
    --danger: #f5222d;
    --danger-light: #fff2f0;
    --info: #13c2c2;
    --info-light: #e6fffb;
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --text: #1f2937;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
    --navy-1: #1a1a2e;
    --navy-2: #16213e;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    background: var(--bg);
    border-radius: 16px;
    overflow: hidden;
    min-height: 720px;
    font-size: 14px;
    line-height: 1.6;
}
.scene-root * { box-sizing: border-box; }

/* ---------- 顶部深色导航 ---------- */
.scene-topbar {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%);
    color: #fff;
    padding: 14px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
}
.scene-topbar .logo {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), #36cfc9);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}
.scene-topbar .title { font-size: 17px; font-weight: 700; }
.scene-topbar .subtitle { font-size: 11px; opacity: 0.7; }
.scene-topbar .spacer { flex: 1; }
.scene-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.scene-badge.primary { background: rgba(255,255,255,0.18); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.scene-badge.intermediate { background: #fff7e6; color: #d48806; }
.scene-badge.advanced { background: #fff2f0; color: #cf1322; }
.scene-topbar .score-box {
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
    border-radius: 10px; padding: 4px 14px; font-size: 13px; font-weight: 700;
}
.scene-topbar .score-box b { font-size: 18px; color: #fff; }

/* ---------- 真实业务背景卡 ---------- */
.scene-scenario {
    display: flex; align-items: flex-start; gap: 12px;
    margin: 12px 22px 0; padding: 12px 16px;
    background: linear-gradient(135deg, #1a1a2e, #2d3561); color: #e2e8f0;
    border-radius: 12px; border: 1px solid #3d4a7d;
}
.scene-scenario .sc-icon { font-size: 22px; flex-shrink: 0; }
.scene-scenario b { color: #fff; font-size: 13px; }
.scene-scenario .sc-text { font-size: 12.5px; line-height: 1.8; color: #cbd5e1; margin-top: 3px; }

/* ---------- 水平步骤条 ---------- */
.scene-stepper {
    display: flex; align-items: center; gap: 0;
    padding: 16px 22px 14px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.step-node {
    display: flex; align-items: center; gap: 8px;
    cursor: pointer; padding: 8px 10px; border-radius: 10px;
    transition: all 0.3s; flex-shrink: 0; position: relative;
}
.step-node:hover { background: var(--primary-light); }
.step-node .s-icon {
    width: 34px; height: 34px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; background: #f3f4f6; border: 2px solid var(--border);
    transition: all 0.3s;
}
.step-node .s-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); white-space: nowrap; }
.step-node .s-meta { font-size: 11px; color: var(--text-secondary); }
.step-node .s-score {
    font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 10px;
    background: #f3f4f6; color: var(--text-secondary);
}
.step-node.active { background: var(--primary-light); }
.step-node.active .s-icon { background: var(--primary); border-color: var(--primary); color: #fff; }
.step-node.active .s-title { color: var(--primary); }
.step-node.completed .s-icon { background: var(--success); border-color: var(--success); color: #fff; }
.step-node.completed .s-title { color: var(--success); }
.step-node.completed .s-score { background: var(--success-light); color: var(--success); }
.step-node.locked { cursor: not-allowed; opacity: 0.45; }
.step-connector { width: 26px; height: 2px; background: var(--border); flex-shrink: 0; border-radius: 2px; }
.step-connector.done { background: var(--success); }

/* ---------- 主体布局 ---------- */
.scene-body { display: flex; gap: 18px; padding: 18px 22px; align-items: flex-start; }
.scene-main { flex: 1; min-width: 0; }
.scene-side { width: 300px; flex-shrink: 0; }
.scene-content { display: none; }
.scene-content.active { display: block; animation: sceneFade 0.3s ease; }
@keyframes sceneFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- 底部操作栏 ---------- */
.scene-footer {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 22px; background: #fff; border-top: 1px solid var(--border);
    position: sticky; bottom: 0;
}
.scene-footer .progress-line { flex: 1; height: 6px; background: #f0f0f0; border-radius: 4px; overflow: hidden; }
.scene-footer .progress-line .fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--info)); border-radius: 4px; transition: width 0.5s; }

/* ---------- 卡片 ---------- */
.scene-card {
    background: var(--card-bg); border-radius: 12px; box-shadow: var(--shadow);
    padding: 18px 20px; margin-bottom: 16px;
}
.scene-card .card-title {
    font-size: 15px; font-weight: 700; margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px; color: var(--text);
}
.scene-card .card-sub { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.scene-card.bordered { border: 1px solid var(--border); }
.scene-card.grad-blue { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); }
.scene-card.grad-amber { background: linear-gradient(135deg, #fffbe6 0%, #fff7e6 100%); }

/* ---------- 数据表格 ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.data-table th, .data-table td { padding: 9px 10px; text-align: center; border: 1px solid var(--border); }
.data-table th { background: #f8fafc; font-weight: 600; color: var(--text-secondary); font-size: 12px; }
.data-table td input, .data-table td select {
    width: 100%; border: 1px solid transparent; padding: 5px 6px; text-align: center;
    border-radius: 5px; font-size: 12.5px; background: transparent; transition: all 0.2s;
}
.data-table td input:focus, .data-table td select:focus {
    border-color: var(--primary); outline: none; background: var(--primary-light);
}
.data-table .group-header { background: var(--primary-light); font-weight: 700; color: var(--primary); text-align: left; }
.data-table .tier-leader td { background: #fffbe6; }
.data-table .tier-middle td { background: #f0f9ff; }
.data-table .tier-laggard td { background: #f8fafc; }
.data-table tbody tr:hover td { background: #fafafa; }
.data-table .num { font-variant-numeric: tabular-nums; }
.data-table .empty { color: #bbb; }

/* ---------- 标签 ---------- */
.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 11.5px; font-weight: 600; }
.tag-green { background: var(--success-light); color: var(--success); }
.tag-orange { background: var(--warning-light); color: var(--warning); }
.tag-red { background: var(--danger-light); color: var(--danger); }
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-purple { background: #f9f0ff; color: #722ed1; }
.tag-cyan { background: var(--info-light); color: var(--info); }
.tag-gray { background: #f0f0f0; color: var(--text-secondary); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 18px; border-radius: 8px; border: 1px solid var(--border);
    background: #fff; cursor: pointer; font-size: 13px; font-weight: 600;
    color: var(--text); transition: all 0.25s;
}
.btn:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: #fff; border-color: transparent; }
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(22,119,255,0.3); }
.btn-success { background: var(--success); color: #fff; border-color: transparent; }
.btn-success:hover { background: #389e0d; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; border-color: transparent; }
.btn-danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn-info { background: var(--info); color: #fff; border-color: transparent; }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 6px; }
.btn-lg { padding: 11px 26px; font-size: 14px; border-radius: 10px; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; color: var(--text-secondary); margin-bottom: 5px; font-weight: 500; }
.field input, .field select, .field textarea {
    width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px;
    font-size: 13px; transition: all 0.2s; background: #fff; color: var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 2px rgba(22,119,255,0.12); }
.field .hint { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.range-input { display: flex; align-items: center; gap: 8px; }
.range-input input { width: 84px; padding: 7px; border: 1px solid var(--border); border-radius: 7px; text-align: center; font-weight: 600; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--primary); width: 16px; height: 16px; cursor: pointer; }
input[type="range"] { accent-color: var(--primary); }

/* ---------- 复选框任务行 ---------- */
.task-check {
    display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px;
    border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px;
    cursor: pointer; transition: all 0.25s; background: #fff;
}
.task-check:hover { border-color: var(--primary); background: var(--primary-light); }
.task-check.done { border-color: var(--success); background: var(--success-light); }
.task-check.done .t-text { color: var(--success); text-decoration: line-through; }
.task-check .t-text { font-size: 13px; color: var(--text); flex: 1; }
.task-check .t-hint { font-size: 11px; color: var(--text-secondary); display: block; }

/* ---------- 维度选择卡 ---------- */
.dim-card {
    border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
    cursor: pointer; transition: all 0.25s; background: #fff;
    display: flex; align-items: flex-start; gap: 10px;
}
.dim-card:hover { border-color: var(--primary); }
.dim-card.selected { border-color: var(--primary); background: var(--primary-light); box-shadow: 0 0 0 2px rgba(22,119,255,0.15); }
.dim-card .d-icon { font-size: 22px; }
.dim-card .d-name { font-weight: 700; font-size: 13.5px; }
.dim-card .d-desc { font-size: 11.5px; color: var(--text-secondary); }
.dim-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }

/* ---------- 图表容器 ---------- */
.chart-container { width: 100%; height: 320px; margin: 10px 0; }
.chart-container.sm { height: 240px; }
.chart-container.lg { height: 400px; }
.chart-toolbar { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; align-items: center; }
.chart-toolbar .chart-tab { padding: 5px 14px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 12.5px; transition: all 0.25s; }
.chart-toolbar .chart-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- KPI 卡片 ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 12px 0; }
.kpi-card {
    background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
    box-shadow: var(--shadow);
}
.kpi-card .k-label { font-size: 11.5px; color: var(--text-secondary); margin-bottom: 4px; }
.kpi-card .k-value { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.kpi-card .k-unit { font-size: 12px; font-weight: 400; color: var(--text-secondary); }
.kpi-card .k-trend { font-size: 11.5px; margin-top: 4px; }
.kpi-card.blue { border-top: 3px solid var(--primary); }
.kpi-card.green { border-top: 3px solid var(--success); }
.kpi-card.orange { border-top: 3px solid var(--warning); }
.kpi-card.red { border-top: 3px solid var(--danger); }

/* ---------- 评分面板 ---------- */
.score-panel {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff; border-radius: 14px; padding: 16px 18px; margin-bottom: 14px;
}
.score-panel .sp-value { font-size: 30px; font-weight: 800; margin: 2px 0; }
.score-panel .sp-max { font-size: 14px; opacity: 0.8; }
.score-panel .sp-label { font-size: 11.5px; opacity: 0.75; }
.progress-ring { transform: rotate(-90deg); }
.step-score-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 12px; }
.step-score-row .ss-name { flex: 1; }
.step-score-row .ss-bar { flex: 2; height: 7px; background: rgba(255,255,255,0.2); border-radius: 4px; overflow: hidden; }
.step-score-row .ss-fill { height: 100%; background: #fff; border-radius: 4px; transition: width 0.5s; }
.step-score-row .ss-val { width: 44px; text-align: right; font-weight: 700; }

/* ---------- 评分标准 ---------- */
.criteria-item { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.criteria-item .c-title { font-weight: 700; font-size: 13px; margin-bottom: 8px; color: var(--text); }
.criteria-level { display: flex; align-items: flex-start; gap: 8px; padding: 5px 10px; border-radius: 8px; font-size: 12px; margin-bottom: 4px; }
.criteria-level .cl-s { font-weight: 700; flex-shrink: 0; width: 40px; }
.criteria-level.l-4 { background: var(--success-light); color: #389e0d; }
.criteria-level.l-3 { background: var(--primary-light); color: #0958d9; }
.criteria-level.l-2 { background: var(--warning-light); color: #d48806; }
.criteria-level.l-0 { background: var(--danger-light); color: #cf1322; }
.criteria-level.l-6 { background: var(--success-light); color: #389e0d; }
.criteria-level.l-8 { background: var(--success-light); color: #389e0d; }
.criteria-level.l-def { background: #f8fafc; color: var(--text-secondary); }

/* ---------- 流程节点 (场景8/10) ---------- */
.flow-canvas { display: flex; align-items: center; gap: 6px; padding: 18px; background: #f8fafc; border-radius: 12px; overflow-x: auto; margin: 12px 0; }
.flow-node {
    background: #fff; border: 2px solid var(--border); border-radius: 12px; padding: 12px 14px;
    min-width: 108px; text-align: center; transition: all 0.25s; flex-shrink: 0;
}
.flow-node .n-icon { font-size: 24px; margin-bottom: 6px; }
.flow-node .n-title { font-size: 12.5px; font-weight: 700; }
.flow-node .n-desc { font-size: 10.5px; color: var(--text-secondary); margin-top: 3px; }
.flow-node.ai { border-color: var(--info); background: var(--info-light); }
.flow-node.done { border-color: var(--success); background: var(--success-light); }
.flow-arrow { font-size: 20px; color: var(--text-secondary); flex-shrink: 0; }

/* ---------- 组织架构树 ---------- */
.org-tree { display: flex; flex-direction: column; align-items: center; padding: 12px; }
.org-root {
    background: linear-gradient(135deg, var(--primary), #36cfc9); color: #fff;
    padding: 12px 28px; border-radius: 12px; font-weight: 700; box-shadow: var(--shadow);
}
.org-children { display: flex; gap: 20px; margin-top: 18px; position: relative; }
.org-child { text-align: center; width: 150px; }
.org-child .c-box { background: #fff; border: 2px solid var(--border); border-radius: 10px; padding: 10px 8px; font-size: 12px; }
.org-child .c-box .c-name { font-weight: 700; }
.org-child .c-box .c-pct { color: var(--primary); font-weight: 700; font-size: 11px; }
.org-child .c-box.control { border-color: var(--primary); background: var(--primary-light); }
.org-child .c-box.influence { border-color: var(--warning); background: var(--warning-light); }

/* ---------- AI 面板 / 对话 ---------- */
.ai-card { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); border: 1px solid #bae6fd; border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.ai-card .ai-title { font-weight: 700; color: var(--primary); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.ai-card .ai-body { font-size: 12.5px; line-height: 1.7; color: var(--text); white-space: pre-wrap; }
.ai-chat { display: flex; flex-direction: column; height: 340px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fafafa; }
.ai-chat .chat-body { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { max-width: 85%; padding: 9px 13px; border-radius: 12px; font-size: 12.5px; line-height: 1.6; animation: sceneFade 0.3s; }
.chat-msg.user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.chat-msg.ai { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.chat-msg .m-role { font-size: 10.5px; opacity: 0.7; margin-bottom: 3px; font-weight: 700; }
.chat-input { display: flex; gap: 8px; padding: 10px; background: #fff; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.quick-q { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.quick-q .qq { font-size: 11.5px; padding: 4px 10px; border-radius: 14px; border: 1px solid var(--border); background: #fff; cursor: pointer; transition: all 0.2s; }
.quick-q .qq:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ---------- 热力图 ---------- */
.heatmap { display: grid; gap: 4px; }
.heatmap .hm-row { display: flex; gap: 4px; }
.heatmap .hm-cell { width: 34px; height: 26px; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 9.5px; color: rgba(0,0,0,0.55); }
.hm-0 { background: #f0f0f0; }
.hm-1 { background: #c7e7ff; }
.hm-2 { background: #93cfff; }
.hm-3 { background: #5bb4ff; }
.hm-4 { background: #1677ff; color: #fff !important; }
.heat-legend { display: flex; gap: 8px; align-items: center; font-size: 10.5px; color: var(--text-secondary); margin-top: 6px; }
.heat-legend .hm-cell { width: 20px; height: 16px; }

/* ---------- 弹窗 / Toast ---------- */
.scene-modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.5);
    align-items: center; justify-content: center; padding: 20px;
}
.scene-modal-overlay.active { display: flex; animation: sceneFade 0.25s; }
.scene-modal {
    background: #fff; border-radius: 16px; width: 92%; max-width: 920px; max-height: 90vh;
    overflow-y: auto; box-shadow: var(--shadow-lg);
}
.scene-modal .m-head { padding: 16px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.scene-modal .m-body { padding: 20px 22px; }
.scene-toast {
    position: fixed; top: 18px; right: 18px; z-index: 3000; display: flex; flex-direction: column; gap: 8px;
}
.toast-item {
    padding: 12px 18px; border-radius: 10px; color: #fff; font-size: 14px; font-weight: 700;
    line-height: 1.5;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22); display: flex; align-items: center; gap: 8px;
    animation: toastIn 0.3s ease; max-width: 380px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.toast-item > span:first-child { font-size: 17px; text-shadow: none; }
@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: none; } }
/* 深色调背景 + 白字，确保高对比可读 */
.toast-success { background: linear-gradient(135deg, #52c41a, #389e0d); }
.toast-warning { background: linear-gradient(135deg, #fa8c16, #d46b08); }
.toast-error { background: linear-gradient(135deg, #f5222d, #cf1322); }
.toast-info { background: linear-gradient(135deg, #1677ff, #0958d9); }

/* ---------- 思考作答组件 ---------- */
.scene-answer {
    border: 1.5px solid #d9c3f0; background: #faf5ff; border-radius: 12px;
    padding: 14px 16px; margin-bottom: 12px; transition: all 0.3s;
}
.scene-answer.correct { border-color: var(--success); background: var(--success-light); }
.scene-answer .ans-q { font-size: 13.5px; font-weight: 600; color: #2f1a54; margin-bottom: 10px; line-height: 1.7; }
.scene-answer .ans-question { margin-left: 6px; }
.scene-answer .ans-input-row { display: flex; align-items: center; gap: 8px; }
.scene-answer .ans-input-row input {
    width: 200px; padding: 8px 12px; border: 1.5px solid #c9a7ee; border-radius: 8px;
    font-size: 14px; font-weight: 600; background: #fff; transition: all 0.2s;
}
.scene-answer .ans-input-row input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 2px rgba(22,119,255,0.15); }
.scene-answer.correct .ans-input-row input { border-color: var(--success); background: #fff; }
.scene-answer .ans-unit { font-size: 13px; color: var(--text-secondary); font-weight: 600; }
.scene-answer .ans-result { font-size: 13px; font-weight: 700; }
.scene-answer .ans-result.ok { color: var(--success); }
.scene-answer .ans-result.err { color: var(--danger); }
.scene-answer .ans-hint { margin-top: 8px; color: #8a6fb8; }
.scene-answer .ans-ref { margin-top: 8px; width: 100%; }
.scene-answer .ans-ref-answer { padding: 8px 12px; background: #f9f0ff; border: 1px solid #d3adf7; border-radius: 8px; color: #722ed1; font-weight: 700; font-size: 13px; }
.scene-answer .ans-ref-explain { margin-top: 6px; padding: 10px 12px; background: #f5f5ff; border: 1px dashed #b7c4ff; border-radius: 8px; color: #3b3b6b; font-size: 12.5px; line-height: 1.8; white-space: pre-wrap; }
.ans-tip {
    background: #f9f0ff; border: 1px dashed #d3adf7; color: #722ed1;
    border-radius: 10px; padding: 10px 14px; font-size: 12.5px; margin-bottom: 12px;
}

/* ---------- 实际操作组件 ---------- */
.scene-op {
    border: 1.5px solid #bae7ff; background: #f0f9ff; border-radius: 12px;
    padding: 12px 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 14px;
    transition: all 0.3s;
}
.scene-op.done { border-color: var(--success); background: var(--success-light); }
.scene-op .op-row { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.scene-op .op-state { font-size: 13px; font-weight: 700; color: var(--text-secondary); min-width: 70px; }
.scene-op .op-state.ok { color: var(--success); }
.scene-op .op-hint { font-size: 12px; color: #5b8db8; flex: 1; }
.op-tip {
    background: #e6f4ff; border: 1px dashed #91caff; color: #0958d9;
    border-radius: 10px; padding: 10px 14px; font-size: 12.5px; margin-bottom: 12px;
}

/* ---------- 分层企业卡 ---------- */
.tier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 12px 0; }
.tier-card { border-radius: 12px; padding: 14px 16px; border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow); }
.tier-card .tc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.tier-card .tc-name { font-weight: 700; font-size: 13.5px; }
.tier-card .tc-code { font-size: 11px; color: var(--text-secondary); }
.tier-card .tc-row { display: flex; justify-content: space-between; font-size: 12px; padding: 3px 0; border-bottom: 1px dashed #f0f0f0; }
.tier-card .tc-row span:last-child { font-weight: 600; }
.tier-card.leader { border-top: 3px solid var(--warning); }
.tier-card.middle { border-top: 3px solid var(--primary); }
.tier-card.laggard { border-top: 3px solid var(--text-secondary); }

/* ---------- 预警阈值卡 ---------- */
.threshold-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 12px 0; }
.threshold-card { border-radius: 12px; padding: 16px 18px; border: 2px solid; }
.threshold-card.yellow-card { background: var(--warning-light); border-color: var(--warning); }
.threshold-card.red-card { background: var(--danger-light); border-color: var(--danger); }
.threshold-card .th-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-weight: 700; }

/* ---------- 标签页 ---------- */
.sub-tabs { display: flex; gap: 4px; background: #f3f4f6; padding: 4px; border-radius: 9px; margin-bottom: 14px; }
.sub-tab { flex: 1; padding: 8px 10px; text-align: center; border-radius: 7px; cursor: pointer; font-size: 12.5px; font-weight: 600; border: none; background: transparent; color: var(--text-secondary); transition: all 0.25s; }
.sub-tab.active { background: #fff; color: var(--primary); box-shadow: 0 2px 4px rgba(0,0,0,0.06); }

/* ---------- 步骤内容块 ---------- */
.step-intro {
    background: var(--primary-light); border: 1px solid #bae6fd; border-radius: 12px;
    padding: 12px 16px; margin-bottom: 16px; font-size: 13px; color: #0958d9;
    display: flex; gap: 10px; align-items: flex-start;
}
.step-intro .si-icon { font-size: 18px; }

/* ---------- 学习目标 / 知识点细化 ---------- */
.goal-list { margin: 8px 0 0 0; padding-left: 18px; list-style: none; }
.goal-list li { position: relative; padding: 4px 0 4px 22px; font-size: 13.5px; line-height: 1.8; color: #475569; }
.goal-list li::before { content: '🎯'; position: absolute; left: 0; top: 4px; font-size: 13px; }
.goal-note { margin-top: 10px; padding: 8px 12px; background: #f0f9ff; border-radius: 8px; font-size: 12.5px; color: #0958d9; }
.kn-block { margin-bottom: 12px; }
.kn-block:last-child { margin-bottom: 0; }
.kn-title { font-weight: 700; color: #1d39c4; font-size: 13px; margin-bottom: 4px; }
.kn-list { margin: 4px 0 0 0; padding-left: 0; list-style: none; }
.kn-list li { position: relative; padding: 3px 0 3px 18px; font-size: 12.5px; color: #334155; }
.kn-list li::before { content: '•'; position: absolute; left: 6px; color: #1677ff; font-weight: 700; }
.kn-body { font-size: 12.5px; color: #334155; white-space: pre-wrap; }
.kn-formula { display: block; margin: 6px 0; padding: 8px 12px; background: #fff; border: 1px solid #d6e4ff; border-radius: 8px; font-family: 'Courier New', monospace; font-size: 12.5px; color: #1d39c4; text-align: center; }

/* ---------- 工具类 ---------- */
.scene-root .hidden { display: none !important; }
.text-muted { color: var(--text-secondary); font-size: 12px; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-bold { font-weight: 700; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; } .mt16 { margin-top: 16px; }
.mb8 { margin-bottom: 8px; } .mb12 { margin-bottom: 12px; } .mb16 { margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.small { font-size: 11.5px; color: var(--text-secondary); }
.note-box { background: #f8fafc; border: 1px dashed var(--border); border-radius: 10px; padding: 12px 14px; font-size: 12.5px; }

@media (max-width: 1200px) {
    .scene-body { flex-direction: column; }
    .scene-side { width: 100%; }
    .threshold-cards, .grid2, .grid3 { grid-template-columns: 1fr; }
}