/* ============================================================
   教师 AI 工作台 · 学校知识蒸馏增强模块
   VI 沿用全站：深蓝 #0A2D5C / 亮蓝 #1A6FD4 / 高光 #3FA3E8
   仅新增「知识蒸馏」相关区块，不覆盖共享样式
   ============================================================ */

/* ---------- 通用小组件 ---------- */
.ws-tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .2px;
  background: var(--blue-soft); color: var(--navy-2);
}
.ws-tag.gold { background: rgba(224, 138, 30, .14); color: #9a5b06; }
.ws-tag.green { background: rgba(46, 158, 107, .14); color: #1c7a50; }

.ws-note {
  margin-top: 18px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--navy-soft); border-left: 3px solid var(--blue);
  font-size: 13.5px; line-height: 1.85; color: var(--text-2);
}
.ws-note b { color: var(--navy-2); }

/* ============================================================
   1. 三层架构图
   ============================================================ */
.arch { display: flex; flex-direction: column; gap: 12px; margin-top: 34px; }

.arch-layer {
  position: relative; border-radius: var(--radius);
  padding: 22px 26px; background: var(--bg-card);
  border: 1.5px solid var(--border); box-shadow: var(--shadow-soft);
  transition: .25s var(--ease);
}
.arch-layer:hover { border-color: var(--blue-line); box-shadow: var(--glow-blue-2); }
.arch-layer::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  border-radius: var(--radius) 0 0 var(--radius);
}
.arch-layer.base::before   { background: linear-gradient(180deg, var(--navy), var(--blue)); }
.arch-layer.skill::before  { background: linear-gradient(180deg, var(--blue), var(--blue-bright)); }
.arch-layer.output::before { background: linear-gradient(180deg, var(--blue-bright), #7cc8f5); }

.arch-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.arch-top h3 { font-size: 17px; color: var(--navy); font-weight: 800; }
.arch-role {
  font-size: 12px; padding: 3px 10px; border-radius: 6px;
  background: var(--field-bg); color: var(--text-dim); font-weight: 600;
}
.arch-body { font-size: 14.5px; color: var(--text-2); line-height: 1.8; }
.arch-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.arch-chips span {
  font-size: 12.5px; padding: 5px 12px; border-radius: 8px;
  background: var(--field-bg); color: var(--text-2); border: 1px solid var(--border-soft);
}
.arch-layer.output .arch-chips span { background: #fff; border-color: var(--blue-line); color: var(--navy-2); font-weight: 600; }

.arch-arrow { text-align: center; color: var(--blue); font-size: 18px; line-height: 1; opacity: .55; }

/* ============================================================
   2. 四层知识蒸馏框架
   ============================================================ */
.kd-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 34px;
}
.kd-layer {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-soft);
  transition: .25s var(--ease);
}
.kd-layer:hover { transform: translateY(-4px); border-color: var(--blue-line); box-shadow: var(--glow-blue-2); }
.kd-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 9px; margin-bottom: 12px;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 14px;
}
.kd-layer h3 { font-size: 16px; color: var(--navy); margin-bottom: 4px; font-weight: 800; }
.kd-fn { font-size: 12.5px; color: var(--blue); font-weight: 600; margin-bottom: 14px; }
.kd-rows { display: flex; flex-direction: column; gap: 10px; }
.kd-row { font-size: 13px; line-height: 1.7; }
.kd-row .k { display: block; color: var(--text-dim); font-size: 11.5px; letter-spacing: .4px; margin-bottom: 2px; }
.kd-row .v { color: var(--text); }
.kd-out {
  margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border);
  font-size: 13px; color: var(--navy-2); font-weight: 700;
}
.kd-out::before { content: "▸ 蒸馏产物："; color: var(--text-dim); font-weight: 600; }

/* ============================================================
   3. 注入机制 + 输出标准
   ============================================================ */
.inj-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; margin-top: 34px; align-items: start; }

.inj-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-soft);
}
.inj-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 16px; font-weight: 800; }

.inj-item { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--border); }
.inj-item:last-child { border-bottom: none; padding-bottom: 0; }
.inj-ic {
  flex: 0 0 36px; height: 36px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 17px;
  background: var(--blue-soft);
}
.inj-tx b { display: block; font-size: 14.5px; color: var(--navy); margin-bottom: 3px; }
.inj-tx span { font-size: 13px; color: var(--text-dim); line-height: 1.7; }

/* 5 条校标自检 */
.std-item { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--border); }
.std-item:last-child { border-bottom: none; }
.std-no {
  flex: 0 0 24px; height: 24px; border-radius: 7px; font-size: 12px; font-weight: 800;
  background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center;
}
.std-tx b { display: block; font-size: 14.5px; color: var(--navy); margin-bottom: 2px; }
.std-tx span { font-size: 13px; color: var(--text-dim); line-height: 1.7; }

/* ============================================================
   4. 教学辅助 14 项场景
   ============================================================ */
.as-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 34px; }
.as-cat {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-soft);
  transition: .25s var(--ease);
}
.as-cat:hover { border-color: var(--blue-line); box-shadow: var(--glow-blue-2); }
.as-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.as-ic {
  width: 40px; height: 40px; border-radius: 11px; display: flex;
  align-items: center; justify-content: center; font-size: 20px; background: var(--grad);
}
.as-head h3 { font-size: 16.5px; color: var(--navy); font-weight: 800; }
.as-pol { font-size: 12.5px; color: var(--text-dim); margin-bottom: 16px; line-height: 1.7; }
.as-list { display: flex; flex-direction: column; gap: 8px; }
.as-list li {
  list-style: none; display: flex; align-items: flex-start; gap: 9px;
  font-size: 13.5px; color: var(--text-2); line-height: 1.65;
  padding: 8px 12px; border-radius: 9px; background: var(--field-bg);
}
.as-list li::before { content: "◆"; color: var(--blue); font-size: 9px; margin-top: 5px; flex: 0 0 auto; }
.as-cite {
  margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border);
  font-size: 12.5px; color: var(--blue); font-weight: 600;
}

/* ============================================================
   5. 一键输出三类成果
   ============================================================ */
.oc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.oc-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column; transition: .25s var(--ease);
}
.oc-card:hover { transform: translateY(-4px); border-color: var(--blue-line); box-shadow: var(--glow-blue-2); }
.oc-ic { font-size: 30px; margin-bottom: 12px; }
.oc-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 8px; font-weight: 800; }
.oc-flow { font-size: 13px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.7; }
.oc-out {
  margin-top: auto; padding: 12px 14px; border-radius: 10px;
  background: var(--grad-soft); font-size: 13.5px; color: var(--navy-2);
  font-weight: 700; line-height: 1.7;
}
.oc-out::before { content: "产出："; color: var(--text-dim); font-weight: 600; }

.oc-flowbar {
  display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap;
  margin-top: 26px; padding: 18px; border-radius: var(--radius);
  background: linear-gradient(120deg, var(--navy), var(--navy-2));
}
.oc-fnode {
  padding: 9px 18px; border-radius: 10px; background: rgba(255, 255, 255, .12);
  color: #fff; font-size: 14px; font-weight: 600; border: 1px solid rgba(255, 255, 255, .18);
}
.oc-farrow { color: rgba(255, 255, 255, .6); font-size: 16px; }

/* ============================================================
   6. 参赛工作流 5 步
   ============================================================ */
.wf5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 34px; }
.wf5-step {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 18px 16px; box-shadow: var(--shadow-soft);
  position: relative; transition: .25s var(--ease);
}
.wf5-step:hover { border-color: var(--blue-line); transform: translateY(-3px); box-shadow: var(--glow-blue-2); }
.wf5-no {
  width: 28px; height: 28px; border-radius: 8px; background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; margin-bottom: 11px;
}
.wf5-step h4 { font-size: 14.5px; color: var(--navy); margin-bottom: 10px; font-weight: 800; }
.wf5-row { font-size: 12.5px; line-height: 1.7; margin-bottom: 8px; }
.wf5-row .k { display: block; color: var(--text-dim); font-size: 11px; margin-bottom: 2px; letter-spacing: .3px; }
.wf5-row .v { color: var(--text-2); }
.wf5-row.ai .v { color: var(--blue); }
.wf5-row.th .v { color: #9a5b06; }

.wf5-rule {
  margin-top: 20px; padding: 16px 20px; border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(26, 111, 212, .10), rgba(63, 163, 232, .04));
  border: 1.5px solid var(--blue-line);
  font-size: 14.5px; color: var(--navy-2); line-height: 1.8; text-align: center;
}
.wf5-rule b { color: var(--navy); }

/* ============================================================
   7. 三级政策 + 实施路线图
   ============================================================ */
.pol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.pol-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-soft);
}
.pol-lv { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.pol-lv b { font-size: 15.5px; color: var(--navy); }
.pol-card ul { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.pol-card li {
  list-style: none; font-size: 12.8px; color: var(--text-2); line-height: 1.7;
  padding-left: 14px; position: relative;
}
.pol-card li::before { content: "·"; position: absolute; left: 4px; color: var(--blue); font-weight: 800; }
.pol-hard {
  padding: 11px 13px; border-radius: 9px; background: rgba(224, 138, 30, .08);
  font-size: 12.8px; color: #8a5206; line-height: 1.75;
}
.pol-hard::before { content: "硬约束："; font-weight: 700; }

.road-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.road-item {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-soft);
}
.road-no { font-size: 26px; font-weight: 800; color: var(--blue-line); line-height: 1; margin-bottom: 8px; }
.road-item h4 { font-size: 15px; color: var(--navy); margin-bottom: 8px; font-weight: 800; }
.road-item p { font-size: 13px; color: var(--text-2); line-height: 1.75; margin-bottom: 10px; }
.road-meta { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   8. 知识基座注入开关（搭建器增强）
   ============================================================ */
.kb-inject {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 16px; border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(26, 111, 212, .08), rgba(63, 163, 232, .03));
  border: 1.5px dashed var(--blue-line); margin-bottom: 4px;
}
.kb-inject .sw { position: relative; width: 44px; height: 24px; flex: 0 0 auto; }
.kb-inject .sw input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.kb-inject .sl {
  position: absolute; inset: 0; border-radius: 999px; background: #c9d8ea;
  transition: .22s var(--ease); pointer-events: none;
}
.kb-inject .sl::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px; transition: .22s var(--ease);
  box-shadow: 0 2px 6px rgba(10, 45, 92, .25);
}
.kb-inject .sw input:checked + .sl { background: var(--blue); }
.kb-inject .sw input:checked + .sl::after { transform: translateX(20px); }
.kb-inject .tx { font-size: 13.5px; color: var(--navy-2); line-height: 1.7; }
.kb-inject .tx b { display: block; font-size: 14px; color: var(--navy); }

/* ============================================================
   9. 响应式
   ============================================================ */
@media (max-width: 1080px) {
  .kd-grid { grid-template-columns: repeat(2, 1fr); }
  .oc-grid { grid-template-columns: 1fr; }
  .wf5 { grid-template-columns: repeat(3, 1fr); }
  .road-grid { grid-template-columns: repeat(2, 1fr); }
  .inj-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .kd-grid, .as-grid, .pol-grid { grid-template-columns: 1fr; }
  .wf5 { grid-template-columns: 1fr; }
  .road-grid { grid-template-columns: 1fr; }
  .arch-layer { padding: 18px; }
}