/* Khóa Đi làm (dilam1-3): trang bài học dạng LỘ TRÌNH TỪNG BƯỚC, 05/11/2026.
   Chỉ áp cho body.work và các lớp .lt-*, không ảnh hưởng trang bài HSK, YCT.
   Phong cách người lớn: nền trắng, chữ đậm màu, ít bóng khối; màu: navy #0B1B3F, xanh #0B6CF3/#0450C2, xanh nhạt #E7F0FE. */

body.work { background: #F7F9FC !important; background-image: none !important; }
body.work::after { content: none !important; display: none !important; }
body.work .ls-head h1 .zh { border: 0 !important; box-shadow: none !important; }
.lt-hbtn { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.lt-main { padding-top: 18px; }
.lt-main > *, .lt-main [id] { scroll-margin-top: 148px; }

/* ---- thanh các bước (dính trên cùng) ---- */
.lt-nav { position: sticky; top: calc(var(--nav-h, 46px) + var(--backbar-h, 38px)) !important; z-index: 30; background: #fff; border-bottom: 1px solid #E2E8F0; box-shadow: 0 2px 8px rgba(11, 27, 63, .04); }
.lt-nav .wrap { display: flex; align-items: center; gap: 10px; padding-top: 8px; padding-bottom: 8px; }
.lt-dots { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.lt-dots::-webkit-scrollbar { display: none; }
.lt-dots li { flex: 0 0 auto; }
.lt-dot { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px 5px 5px; border-radius: 999px; font-size: 13.5px; font-weight: 600; color: #475569; white-space: nowrap; border: 1px solid transparent; text-decoration: none; }
.lt-dot b { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 12.5px; background: #F1F5F9; color: #0B1B3F; border: 1px solid #CBD5E1; }
.lt-dot:hover { background: #F1F5F9; color: #0B1B3F; }
.lt-dot.on { border-color: #9CC4FD; background: #F5F9FF; color: #0B1B3F; }
.lt-dot.cur b { border-color: #0B6CF3; color: #0450C2; background: #fff; box-shadow: 0 0 0 2px #E7F0FE; }
.lt-dot.ok b { background: #0B6CF3; border-color: #0B6CF3; color: #fff; }
.lt-dot.ok b { font-size: 0; }
.lt-dot.ok b::before { content: "✓"; font-size: 13px; }
.lt-sum { flex: 0 0 auto; font-size: 13.5px; color: #475569; white-space: nowrap; }
.lt-sum b { color: #0450C2; }
.lt-bar { height: 3px; background: #EEF2F7; }
.lt-bar i { display: block; height: 100%; width: 0; background: #0B6CF3; transition: width .4s; }

/* ---- khung lộ trình (đầu trang) ---- */
.lt-step { background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; padding: 22px 24px; margin-bottom: 18px; box-shadow: 0 1px 3px rgba(11, 27, 63, .05); position: relative; }
.lt-intro { border-color: #C9DCF8; }
.lt-ih { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.lt-ih h2 { font-size: 21px; margin: 0; color: #0B1B3F; }
.lt-pc { flex: 0 0 auto; text-align: center; border: 1px solid #C9DCF8; background: #F5F9FF; border-radius: 12px; padding: 6px 14px; }
.lt-pc b { display: block; font-size: 22px; color: #0450C2; line-height: 1.1; }
.lt-pc small { font-size: 12px; color: #64748B; }
.lt-how { margin: 14px 0 16px; padding-left: 20px; display: grid; gap: 6px; font-size: 15px; color: #1E293B; }
.lt-plan { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 12px; }
.lt-pb { border: 1px solid #E2E8F0; border-radius: 12px; padding: 12px 14px; background: #FBFCFE; }
.lt-pb h3 { font-size: 15.5px; margin: 0 0 8px; color: #0B1B3F; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.lt-pb h3 small { font-weight: 600; color: #64748B; font-size: 13px; }
.lt-pb ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.lt-pb a { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; color: #1E293B; font-size: 14.5px; text-decoration: none; }
.lt-pb a:hover { background: #F1F5F9; }
.lt-pb a i { flex: 0 0 16px; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid #CBD5E1; background: #fff; font-style: normal; display: grid; place-items: center; font-size: 10px; color: #fff; }
.lt-pb a span { flex: 1; min-width: 0; }
.lt-pb a small { flex: 0 0 auto; color: #64748B; font-size: 12.5px; }
.lt-pb a.cur { background: #F5F9FF; font-weight: 700; color: #0B1B3F; }
.lt-pb a.cur i { border-color: #0B6CF3; box-shadow: 0 0 0 2px #E7F0FE; }
.lt-pb a.ok i { background: #0B6CF3; border-color: #0B6CF3; }
.lt-pb a.ok i::before { content: "✓"; }
.lt-pb a.ok span { color: #64748B; }
.lt-ia { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 16px; }

/* ---- tiêu đề buổi, nghỉ giữa buổi ---- */
.lt-buoi { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 28px 0 12px; padding-bottom: 8px; border-bottom: 2px solid #0B1B3F; }
.lt-buoi h2 { font-size: 20px; margin: 0; color: #0B1B3F; }
.lt-buoi small { color: #64748B; font-size: 13.5px; margin-left: auto; }
.lt-tag { background: #0B1B3F; color: #fff; font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.lt-break { border: 1px dashed #9CC4FD; background: #F5F9FF; border-radius: 14px; padding: 14px 18px; margin: 4px 0 18px; font-size: 15px; }
.lt-break p { margin: 0 0 8px; }
.lt-tick { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px; cursor: pointer; padding: 6px 12px; border: 1px solid #C9DCF8; border-radius: 10px; background: #fff; margin-top: 8px; }
.lt-tick input { width: 18px; height: 18px; accent-color: #0B6CF3; }
.lt-anchor { display: block; height: 0; scroll-margin-top: 148px; }

/* ---- từng bước ---- */
.lt-step.cur { border-color: #0B6CF3; box-shadow: 0 0 0 3px #E7F0FE, 0 1px 3px rgba(11, 27, 63, .05); }
.lt-sh { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.lt-no { flex: 0 0 auto; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: #0B1B3F; color: #fff; font-weight: 800; font-size: 16px; font-family: Arial, sans-serif; }
.lt-step.ok .lt-no { background: #0B6CF3; }
.lt-sht { flex: 1; min-width: 0; }
.lt-sht h2 { font-size: 20px; margin: 2px 0 2px; color: #0B1B3F; line-height: 1.3; }
.lt-meta { margin: 0; font-size: 13.5px; color: #64748B; }
.lt-state { flex: 0 0 auto; font-size: 12.5px; font-weight: 700; color: #0450C2; white-space: nowrap; margin-top: 4px; }
.lt-state:empty { display: none; }
.lt-step.ok .lt-state { background: #E7F0FE; padding: 2px 10px; border-radius: 999px; }
.lt-do { background: #F7F9FC; border: 1px solid #E2E8F0; border-left: 3px solid #0B6CF3; border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-size: 14.5px; }
.lt-do > b { color: #0B1B3F; font-size: 14px; }
.lt-do ol { margin: 6px 0 0; padding-left: 20px; display: grid; gap: 4px; color: #1E293B; }
.lt-sub { font-size: 17px; margin: 18px 0 10px; color: #0B1B3F; }
.lt-step .lt-do + div > .lt-sub:first-child, .lt-step .lt-do + div > .tools:first-child { margin-top: 0; }
.lt-help { font-size: 14px; color: #475569; margin: 10px 0 0; }
.lt-label { font-size: 14px; font-weight: 600; color: #334155; margin: 12px 0 6px; }
.lt-sit { background: #F7F9FC; border: 1px solid #E2E8F0; border-radius: 12px; padding: 12px 14px; margin-bottom: 4px; }
.lt-sit b { font-size: 13px; color: #0450C2; text-transform: uppercase; letter-spacing: .04em; }
.lt-sit p { margin: 4px 0 0; font-size: 15.5px; }
.lt-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; font-size: 13.5px; align-items: center; }
.lt-chips span { padding: 3px 10px; border-radius: 999px; background: #F1F5F9; color: #334155; font-weight: 600; }
.lt-chips span:first-child { background: none; padding-left: 0; color: #64748B; }
.lt-tools { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.lt-video { border-radius: 12px; overflow: hidden; background: #000; }
.lt-video video { width: 100%; aspect-ratio: 16 / 9; display: block; background: #000; }
.lt-chaps { display: flex; flex-wrap: wrap; gap: 6px; }
.lt-chaps .btn { white-space: normal; text-align: left; font-size: 13.5px; padding: 6px 10px; }
.lt-soon { border: 1px solid #C9DCF8; background: #F5F9FF; border-radius: 12px; padding: 12px 14px; font-size: 14.5px; color: #1E293B; }
.lt-note { margin-top: 16px; background: #F7F9FC; border: 1px solid #E2E8F0; border-radius: 12px; padding: 12px 14px; font-size: 14.5px; }
.lt-note p { margin: 4px 0 0; }
.lt-qs { margin-top: 10px; border: 1px solid #E2E8F0; border-radius: 10px; padding: 8px 12px; background: #FBFCFE; }
.lt-qs summary { cursor: pointer; font-weight: 700; font-size: 14.5px; color: #0B1B3F; }
.lt-qs ol { margin: 10px 0 4px; padding-left: 22px; display: grid; gap: 10px; font-size: 14.5px; }
.lt-q-item { line-height: 1.45; }
.lt-q-row { display: flex; align-items: center; justify-content: space-between; gap: 6px 10px; flex-wrap: wrap; cursor: pointer; }
.lt-q-txt { font-weight: 600; color: #0F172A; }
.lt-qa-btn { border: 1px solid #BFD6FB; background: #EFF6FF; color: #0B6CF3; font-weight: 700; font-size: 12.5px; padding: 3px 10px; border-radius: 999px; cursor: pointer; font-family: inherit; white-space: nowrap; transition: background .15s, color .15s, border-color .15s; }
.lt-qa-btn:hover { background: #DBEAFE; border-color: #93C5FD; }
.lt-qa-btn.is-open { background: #F1F5F9; border-color: #CBD5E1; color: #475569; }
.lt-qa-ans { margin-top: 6px; padding: 7px 11px; border-radius: 8px; background: #F0F7FF; border-left: 3px solid #0B6CF3; color: #1E293B; font-size: 14px; }
.lt-qa-ans[hidden] { display: none !important; }
.lt-step .text { margin-bottom: 18px; }
.lt-step #chu-han, .lt-step #bai-khoa-2, .lt-step #ket-qua-bai { margin-top: 8px; }
.lt-step #ngu-phap { margin-bottom: 10px; }
.lt-step #tu-danh-gia, .lt-step #tong-ket, .lt-step #nop-bai, .lt-step #buoi-sau { margin-top: 18px; }
.lt-ck { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.lt-ck label { display: flex; gap: 8px; align-items: flex-start; font-size: 15px; cursor: pointer; }
.lt-ck input { margin-top: 4px; width: 17px; height: 17px; accent-color: #0B6CF3; flex: 0 0 auto; }
.lt-score { margin-top: 10px; font-size: 14.5px; padding: 8px 12px; border-radius: 10px; background: #F7F9FC; border: 1px solid #E2E8F0; }
.lt-score.good { background: #F5F9FF; border-color: #9CC4FD; }
.lt-sum-l { margin: 0; padding-left: 20px; display: grid; gap: 4px; font-size: 15px; }
body.work .hw-box { background: #F7F9FC; border: 1px solid #E2E8F0; }

/* chân mỗi bước: nút xong bước, chuyển bước */
.lt-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px 14px; flex-wrap: wrap; margin-top: 20px; padding-top: 14px; border-top: 1px solid #E2E8F0; }
.lt-foot:empty { display: none; }
.lt-fl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 14px; color: #64748B; }
.lt-okt { color: #0450C2; font-weight: 700; }
.lt-undo { border: 0; background: none; color: #64748B; text-decoration: underline; cursor: pointer; font-size: 13px; padding: 0; font-family: inherit; }
.lt-foot .btn { white-space: normal; text-align: center; }

/* thẻ ghi nhớ */
.lt-fc { margin-top: 18px; border: 1px solid #E2E8F0; border-radius: 14px; padding: 14px 16px; background: #FBFCFE; }
.lt-fc-h { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.lt-fc-h .lt-sub { margin: 0 0 10px; }
.lt-fc-stat { font-size: 13.5px; font-weight: 700; color: #0450C2; }
.lt-fc-card { max-width: 420px; min-height: 170px; margin: 0 auto; border: 1px solid #C9DCF8; border-radius: 14px; background: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 18px; text-align: center; cursor: pointer; user-select: none; }
.lt-fc-card:focus-visible { outline: 3px solid #9CC4FD; outline-offset: 2px; }
.lt-fc-card.flip { background: #F5F9FF; }
.lt-fc-hz { font-size: 44px; font-weight: 700; color: #0B1B3F; line-height: 1.2; }
.lt-fc-py { color: #0450C2; font-weight: 700; font-size: 18px; }
.lt-fc-vi { font-weight: 600; font-size: 16px; }
.lt-fc-ex { margin-top: 6px; font-size: 14px; color: #475569; }
.lt-fc-ex .zh { font-size: 16px; color: #0B1B3F; }
.lt-fc-hint { font-size: 13.5px; color: #64748B; }
.lt-fc-act { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; align-items: center; margin-top: 12px; }
.lt-fc-end { text-align: center; font-size: 15px; padding: 14px; display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; }

/* học thêm (tuỳ chọn) */
.lt-more { background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; margin: 26px 0 18px; }
.lt-more > summary { cursor: pointer; padding: 16px 22px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; list-style: none; }
.lt-more > summary::-webkit-details-marker { display: none; }
.lt-more > summary b { font-size: 17px; color: #0B1B3F; }
.lt-more > summary span { font-size: 13.5px; color: #64748B; }
.lt-more[open] > summary { border-bottom: 1px solid #E2E8F0; }
.lt-more-in { padding: 4px 22px 20px; }
.lt-yt { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.lt-ytc { display: flex; flex-direction: column; gap: 4px; font-size: 14px; min-width: 0; }
.lt-ytc .rqx-video-frame { border-radius: 10px; overflow: hidden; background: #000; aspect-ratio: 16 / 9; }
.lt-ytc iframe { width: 100%; height: 100%; border: 0; display: block; }
.lt-why { color: #475569; font-size: 13.5px; }
.lt-links { display: flex; flex-wrap: wrap; gap: 8px; }
.lt-links a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 1px solid #C9DCF8; border-radius: 10px; background: #fff; color: #0B1B3F; font-size: 14px; font-weight: 600; text-decoration: none; }
.lt-links a:hover { background: #F5F9FF; border-color: #0B6CF3; }
body.work .pager { margin-top: 8px; }

/* ---- làm dịu phong cách MIX (gờ 3D, bóng khối) cho trang Đi làm, giống cách làm của body.kid ---- */
html body.work .lt-step .blk { border: 0 !important; box-shadow: none !important; padding: 0 !important; background: transparent !important; }
body.work .word, body.work .hanzi .c, body.work .line .bub { border: 1px solid #DCE6F3 !important; box-shadow: none !important; }
body.work .word:hover, body.work .hanzi .c:hover { transform: none !important; border-color: #9CC4FD !important; box-shadow: none !important; }
body.work .snd { border: 1px solid #9CC4FD !important; box-shadow: none !important; background: #F5F9FF !important; }
body.work .snd:hover { background: #E7F0FE !important; transform: none !important; }
body.work .ch-opts button, body.work .pairs button, body.work .chips2 button { border: 1px solid #CBD5E1 !important; box-shadow: none !important; }
body.work .ch-opts button:hover, body.work .pairs button:hover, body.work .chips2 button:hover { transform: none !important; box-shadow: none !important; }
body.work .qz .qt .n { box-shadow: none !important; }
body.work .lt-step .btn-line, body.work .lt-intro .btn-line { box-shadow: none; border-color: #C9DCF8; }
body.work .lt-step .btn-blue, body.work .lt-step .btn-gold { box-shadow: none; }
body.work .lt-step .btn:hover { transform: none; }

/* lịch buổi sau: lịch rộng không đẩy trang tràn ngang trên điện thoại */
body.work .rbs form > * { min-width: 0; }
body.work .rbs-cal, body.work .rbs-full { min-width: 0; max-width: 100%; }

@media (max-width: 760px) {
  .lt-nav .wrap { flex-wrap: wrap; gap: 4px; padding: 6px 8px 4px; }
  .lt-dots { flex: 1 1 100%; justify-content: space-between; gap: 2px; }
  .lt-dots li { flex: 1 1 0; }
  .lt-dot { justify-content: center; padding: 3px; width: 100%; }
  .lt-dot span { display: none; }
  .lt-dot b { width: 28px; height: 28px; font-size: 13px; }
  .lt-sum { flex: 1 1 100%; text-align: center; font-size: 12.5px; }
  .lt-step { padding: 16px 14px; border-radius: 14px; }
  .lt-intro { padding: 16px 14px; }
  .lt-ih h2 { font-size: 19px; }
  .lt-sht h2 { font-size: 17.5px; }
  .lt-no { width: 32px; height: 32px; font-size: 14.5px; }
  .lt-sh { gap: 10px; }
  .lt-state { display: none; }
  .lt-buoi small { margin-left: 0; flex: 1 1 100%; }
  .lt-foot { flex-direction: column; align-items: stretch; }
  .lt-foot .btn { width: 100%; }
  .lt-hbtn .btn { flex: 1 1 auto; }
  .lt-more > summary, .lt-more-in { padding-left: 14px; padding-right: 14px; }
  .lt-fc-hz { font-size: 38px; }
  .lt-main > *, .lt-main [id], .lt-anchor { scroll-margin-top: 162px; }
}

/* ===== (05/11/2026) Mở rộng Lộ trình từng bước cho YCT Trẻ lớn (body.kid trên bai.html) & Chia 3 Phần rõ ràng ===== */
html body.kid { background: #F7F9FC !important; background-image: none !important; }
html body.kid::after { content: none !important; display: none !important; }
html body.kid .ls-head.lt-head,
html body.work .ls-head.lt-head {
  background: linear-gradient(135deg, #0B1B3F 0%, #0F3B82 55%, #0450C2 100%) !important;
  color: #FFFFFF !important;
  border-bottom: 3px solid #38BDF8 !important;
}
html body.kid .ls-head.lt-head h1,
html body.kid .ls-head.lt-head h1 .zh {
  color: #FFFFFF !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}
html body.kid .ls-head.lt-head .meta {
  color: #DBEAFE !important;
}
html body.kid .ls-head.lt-head .btn-ghost {
  background: rgba(255, 255, 255, 0.14) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.35) !important;
}
html body.kid .ls-head.lt-head .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.25) !important;
}

/* 3 phần tổng quan trong khung Lộ trình (#tien-do) */
.lt-3part {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 14px;
}
.lt-3p-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1.5px solid #C9DCF8;
  border-left: 4px solid #0B6CF3;
  background: #F8FBFF;
  text-decoration: none;
  color: #0B1B3F;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.lt-3p-card:hover {
  transform: translateY(-2px);
  border-color: #0B6CF3;
  box-shadow: 0 6px 16px rgba(11, 27, 63, .08);
}
.lt-3p-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: #DBEAFE;
  color: #0450C2;
}
.lt-3p-badge.p2 {
  background: #FEF3C7;
  color: #92400E;
}
.lt-3p-badge.p3 {
  background: #DCFCE7;
  color: #166534;
}
.lt-3p-card b {
  font-size: 14.8px;
  color: #0B1B3F;
  line-height: 1.3;
}
.lt-3p-card span:last-child {
  font-size: 13px;
  color: #475569;
  line-height: 1.45;
}

/* Thanh phân vùng 3 Phần lớn (Học bài / Luyện tập / Xem thêm) */
.lt-phase-ban {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 14px;
  padding: 14px 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0B1B3F 0%, #0F4C81 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(11, 27, 63, .1);
}
.lt-phase-ban.p2 {
  background: linear-gradient(135deg, #0F3B82 0%, #0B6CF3 100%);
}
.lt-phase-ban.p3 {
  background: linear-gradient(135deg, #083344 0%, #0284C7 100%);
}
.lt-phase-ban h2 {
  margin: 4px 0 0;
  font-size: 18.5px;
  color: #FFFFFF !important;
  line-height: 1.3;
}
.lt-phase-ban small {
  font-size: 13px;
  font-weight: 700;
  color: #E0F2FE;
  background: rgba(255, 255, 255, .14);
  padding: 4px 10px;
  border-radius: 999px;
}
.lt-ph-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: 999px;
  background: #FDE047;
  color: #0B1B3F;
}

/* Thanh nhảy nhanh 6 kỹ năng trong Bước Bài tập */
.lt-skill-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 10px 14px;
  background: #F8FAFC;
  border: 1px solid #DCE6F3;
  border-radius: 12px;
  font-size: 13.5px;
}
.lt-skill-pills > span {
  font-weight: 700;
  color: #475569;
}
.lt-skill-pills a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #FFFFFF;
  border: 1px solid #C9DCF8;
  color: #0B1B3F;
  font-weight: 600;
  text-decoration: none;
}
.lt-skill-pills a:hover {
  background: #E7F0FE;
  border-color: #0B6CF3;
  color: #0450C2;
}
.lt-dot.lt-dot-more b {
  background: #E0F2FE;
  color: #0369A1;
  border-color: #7DD3FC;
  font-weight: 800;
}

/* Làm dịu khung thẻ cho cả body.kid trong giao diện Lộ trình */
html body.kid .lt-step .blk { border: 0 !important; box-shadow: none !important; padding: 0 !important; background: transparent !important; }
body.kid .word, body.kid .hanzi .c, body.kid .line .bub { border: 1px solid #DCE6F3 !important; box-shadow: none !important; }
body.kid .word:hover, body.kid .hanzi .c:hover { transform: none !important; border-color: #9CC4FD !important; box-shadow: none !important; }
body.kid .snd { border: 1px solid #9CC4FD !important; box-shadow: none !important; background: #F5F9FF !important; }
body.kid .ch-opts button, body.kid .pairs button, body.kid .chips2 button { border: 1px solid #CBD5E1 !important; box-shadow: none !important; }
body.kid .hw-box { background: #F7F9FC !important; border: 1px solid #E2E8F0 !important; }
body.kid .rbs form > * { min-width: 0; }
body.kid .rbs-cal, body.kid .rbs-full { min-width: 0; max-width: 100%; }

@media (max-width: 820px) {
  .lt-3part { grid-template-columns: 1fr; }
}