/* ============================================================
 * 学习中心 / 面经 模块样式（lc- 前缀，容器限定 #page-learning / #page-interview）
 * 设计规范：小红书主色 #FF2442，明亮清爽圆润；
 *          动效只用 transform / opacity，且尊重 prefers-reduced-motion。
 * 2026-10-05 新增，纯增量，不覆盖主站任何已有类。
 * ============================================================ */

#page-learning,
#page-interview {
  --lc-red: #E01230;
  --lc-red-soft: #fff1f3;
  --lc-red-line: #ffe0e6;
  --lc-ink: #22222a;
  --lc-sub: #6E6869;
  --lc-card: #ffffff;
}

/* ---- 页面骨架 ---- */
#page-learning .lc-wrap,
#page-interview .lc-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 20px 60px;
}

#page-learning .lc-head,
#page-interview .lc-head {
  margin-bottom: 18px;
}
#page-learning .lc-title,
#page-interview .lc-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--lc-ink);
  margin: 0 0 6px;
}
#page-learning .lc-sub,
#page-interview .lc-sub {
  font-size: 13px;
  color: var(--lc-sub);
  margin: 0;
}

/* ---- 能力引导条（与站内 pp-guide 同一语言） ---- */
#page-learning .lc-guide,
#page-interview .lc-guide {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  background: linear-gradient(180deg, #fff8f9 0%, #ffffff 100%);
  border: 1px solid var(--lc-red-line);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 20px;
}
#page-learning .lc-guide-item,
#page-interview .lc-guide-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  min-width: 200px;
  flex: 1 1 200px;
}
#page-learning .lc-guide-item i,
#page-interview .lc-guide-item i {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--lc-red-soft);
  color: var(--xhs-red-text, #D81B37);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
#page-learning .lc-guide-item b,
#page-interview .lc-guide-item b {
  display: block;
  font-size: 13px;
  color: var(--lc-ink);
}
#page-learning .lc-guide-item span,
#page-interview .lc-guide-item span {
  display: block;
  font-size: 12px;
  color: var(--lc-sub);
  line-height: 1.5;
}

/* ---- 统计卡 ---- */
#page-learning .lc-stats,
#page-interview .lc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
#page-learning .lc-stat,
#page-interview .lc-stat {
  background: var(--lc-card);
  border: 1px solid #f0f0f3;
  border-radius: 14px;
  padding: 14px 16px;
}
#page-learning .lc-stat b,
#page-interview .lc-stat b {
  display: block;
  font-size: 22px;
  color: var(--xhs-red-text, #D81B37);
  line-height: 1.2;
}
#page-learning .lc-stat span,
#page-interview .lc-stat span {
  font-size: 12px;
  color: var(--lc-sub);
}

/* ---- Tab ---- */
#page-learning .lc-tabs,
#page-interview .lc-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
#page-learning .lc-tab,
#page-interview .lc-tab {
  border: 1px solid #ececf0;
  background: #fff;
  color: #55555f;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.34, 1.4, .64, 1), background .18s, color .18s;
}
#page-learning .lc-tab:hover,
#page-interview .lc-tab:hover {
  transform: translateY(-1px);
  color: var(--xhs-red-text, #D81B37);
}
#page-learning .lc-tab.on,
#page-interview .lc-tab.on {
  background: var(--lc-red);
  border-color: var(--lc-red);
  color: #fff;
}

/* ---- 通用卡片 / 表单 ---- */
#page-learning .lc-card,
#page-interview .lc-card {
  background: var(--lc-card);
  border: 1px solid #f0f0f3;
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
}
#page-learning .lc-card h3,
#page-interview .lc-card h3 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--lc-ink);
}
#page-learning .lc-row,
#page-interview .lc-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
}
#page-learning .lc-input,
#page-learning .lc-textarea,
#page-learning .lc-select,
#page-interview .lc-input,
#page-interview .lc-textarea,
#page-interview .lc-select {
  border: 1px solid #e6e6ec;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--lc-ink);
  background: #fff;
  outline: none;
  font-family: inherit;
}
#page-learning .lc-input:focus,
#page-learning .lc-textarea:focus,
#page-learning .lc-select:focus,
#page-interview .lc-input:focus,
#page-interview .lc-textarea:focus,
#page-interview .lc-select:focus {
  border-color: var(--lc-red);
}
#page-learning .lc-textarea,
#page-interview .lc-textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  line-height: 1.6;
}
#page-learning .lc-btn,
#page-interview .lc-btn {
  border: 0;
  background: var(--lc-red);
  color: #fff;
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .16s cubic-bezier(.34, 1.4, .64, 1), opacity .16s;
}
#page-learning .lc-btn:hover,
#page-interview .lc-btn:hover {
  transform: scale(1.03);
}
#page-learning .lc-btn:active,
#page-interview .lc-btn:active {
  transform: scale(.97);
}
#page-learning .lc-btn[disabled],
#page-interview .lc-btn[disabled] {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}
#page-learning .lc-btn.ghost,
#page-interview .lc-btn.ghost {
  background: #fff;
  color: var(--xhs-red-text, #D81B37);
  border: 1px solid var(--lc-red-line);
}

/* ---- 题目列表 ---- */
#page-learning .lc-q {
  border: 1px solid #f0f0f3;
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: #fff;
  transition: transform .18s cubic-bezier(.34, 1.4, .64, 1);
}
#page-learning .lc-q:hover {
  transform: translateY(-2px);
  border-color: var(--lc-red-line);
}
#page-learning .lc-q-t {
  font-size: 14px;
  font-weight: 600;
  color: var(--lc-ink);
  margin-bottom: 6px;
}
#page-learning .lc-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--lc-sub);
}
#page-learning .lc-tag {
  background: var(--lc-red-soft);
  color: var(--xhs-red-text, #D81B37);
  border-radius: 999px;
  padding: 2px 10px;
}
#page-learning .lc-ans {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed #f0f0f3;
  font-size: 13px;
  color: #44444e;
  line-height: 1.75;
  white-space: pre-wrap;
}

/* ---- 学习路径节点 ---- */
#page-learning .lc-node {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px dashed #f3f3f6;
}
#page-learning .lc-node:last-child { border-bottom: 0; }
#page-learning .lc-node-box {
  width: 20px;
  height: 20px;
  border-radius: 7px;
  border: 1px solid #dcdce2;
  background: #fff;
  cursor: pointer;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  transition: transform .16s cubic-bezier(.34, 1.4, .64, 1), background .16s;
}
#page-learning .lc-node-box:hover { transform: scale(1.1); }
#page-learning .lc-node-box.on {
  background: var(--lc-red);
  border-color: var(--lc-red);
}
#page-learning .lc-node-b { font-size: 13px; color: var(--lc-ink); }
#page-learning .lc-node-d { font-size: 12px; color: var(--lc-sub); line-height: 1.6; }
#page-learning .lc-res {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}
#page-learning .lc-res a {
  font-size: 12px;
  color: var(--xhs-red-text, #D81B37);
  background: var(--lc-red-soft);
  border-radius: 8px;
  padding: 3px 9px;
  text-decoration: none;
}

/* ---- 模拟面试对话 ---- */
#page-interview .lc-chat {
  border: 1px solid #f0f0f3;
  border-radius: 14px;
  padding: 14px;
  background: #fff;
  max-height: 420px;
  overflow: auto;
}
#page-interview .lc-msg {
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
}
#page-interview .lc-msg.ai {
  background: var(--lc-red-soft);
  border-radius: 12px 12px 12px 4px;
  padding: 10px 12px;
  color: var(--lc-ink);
}
#page-interview .lc-msg.me {
  background: #f7f7f9;
  border-radius: 12px 12px 4px 12px;
  padding: 10px 12px;
  color: #33333d;
}
#page-interview .lc-msg .who {
  font-size: 12px;
  color: var(--lc-sub);
  margin-bottom: 4px;
}
#page-interview .lc-scores {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 8px 0;
}
#page-interview .lc-score {
  background: #fff;
  border: 1px solid var(--lc-red-line);
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--xhs-red-text, #D81B37);
}

/* ---- 空态 ---- */
#page-learning .lc-empty,
#page-interview .lc-empty {
  text-align: center;
  padding: 34px 16px;
  color: var(--lc-sub);
  font-size: 13px;
}
#page-learning .lc-empty b,
#page-interview .lc-empty b {
  display: block;
  color: var(--lc-ink);
  font-size: 14px;
  margin-bottom: 6px;
}

/* ---- 移动端 ---- */
@media (max-width: 768px) {
  #page-learning .lc-wrap,
  #page-interview .lc-wrap { padding: 14px 12px 50px; }
  #page-learning .lc-title,
  #page-interview .lc-title { font-size: 19px; }
  #page-learning .lc-stats,
  #page-interview .lc-stats { grid-template-columns: repeat(2, 1fr); }
  #page-learning .lc-btn,
  #page-interview .lc-btn { min-height: 40px; }
}

/* ============================================================
 * 2026-10-05：/learn/ 内容并入学习中心 —— 课程 / 岗位库 / 面试题库
 * 小红书风格：主色 #FF2442，圆润；动效只用 transform / opacity
 * ============================================================ */

/* ---- 课程模块卡片 ---- */
#page-learning .lc-course {
  border: 1px solid #ececf0;
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
  background: #fff;
  transition: transform .18s cubic-bezier(.2, .8, .3, 1), box-shadow .18s ease;
}
#page-learning .lc-course:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(17, 24, 39, .06); }
#page-learning .lc-course.open { border-color: #FFD7DE; background: #fffafa; }
#page-learning .lc-course-h {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  cursor: pointer; font-size: 14px; color: #111827;
}
#page-learning .lc-course-no {
  font-size: 12px; font-weight: 800; color: var(--xhs-red-text, #D81B37);
  background: #fff1f3; border-radius: 8px; padding: 2px 7px;
}
#page-learning .lc-course-h b { font-weight: 800; flex: 1 1 auto; min-width: 0; }
#page-learning .lc-caret {
  font-style: normal; font-size: 12px; color: var(--xhs-red-text, #D81B37); font-weight: 700;
}
#page-learning .lc-course-d { font-size: 12.5px; line-height: 1.7; color: var(--text-muted, #5B5457); margin-top: 6px; }

/* ---- 通用小标题与列表 ---- */
#page-learning .lc-sec-t {
  font-size: 12px; font-weight: 800; color: #111827;
  margin: 10px 0 4px; padding-left: 8px; border-left: 3px solid #FF2442;
}
#page-learning .lc-list { margin: 0; padding-left: 20px; }
#page-learning .lc-list li { font-size: 12.5px; line-height: 1.8; color: #4b5563; }

/* ---- 课程正文（LearnHub 返回的富文本，站内可信内容）---- */
#page-learning .lc-course-html {
  margin-top: 8px; padding: 12px;
  border: 1px solid #f1f2f4; border-radius: 12px; background: #fcfcfd;
  max-height: 620px; overflow: auto;
  font-size: 13.5px; line-height: 1.85; color: #374151;
}
#page-learning .lc-course-html h2 { font-size: 15px; font-weight: 800; color: #111827; margin: 14px 0 6px; }
#page-learning .lc-course-html h3 { font-size: 14px; font-weight: 700; color: #111827; margin: 12px 0 5px; }
#page-learning .lc-course-html p { margin: 6px 0; }
#page-learning .lc-course-html ul, #page-learning .lc-course-html ol { padding-left: 22px; margin: 6px 0; }
#page-learning .lc-course-html li { margin: 3px 0; }
#page-learning .lc-course-html img { max-width: 100%; height: auto; border-radius: 8px; }
#page-learning .lc-course-html table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 12.5px; }
#page-learning .lc-course-html th, #page-learning .lc-course-html td {
  border: 1px solid #e5e7eb; padding: 6px 8px; text-align: left;
}
#page-learning .lc-course-html a { color: var(--xhs-red-text, #D81B37); }

/* ---- 岗位 / 题库卡片链接 ---- */
#page-learning .lc-q a, #page-learning .lc-meta a { color: var(--xhs-red-text, #D81B37); text-decoration: none; }
#page-learning .lc-q a:hover, #page-learning .lc-meta a:hover { text-decoration: underline; }

/* 只做 transform/opacity 动画，reduced-motion 下全部关掉 */
@media (prefers-reduced-motion: reduce) {
  #page-learning .lc-course { transition: none !important; }
  #page-learning .lc-course:hover { transform: none !important; box-shadow: none !important; }
  #page-learning .lc-tab,
  #page-learning .lc-q,
  #page-learning .lc-node-box,
  #page-learning .lc-btn,
  #page-interview .lc-tab,
  #page-interview .lc-btn {
    transition: none !important;
  }
  #page-learning .lc-tab:hover,
  #page-learning .lc-q:hover,
  #page-learning .lc-node-box:hover,
  #page-learning .lc-btn:hover,
  #page-interview .lc-tab:hover,
  #page-interview .lc-btn:hover {
    transform: none !important;
  }
}