.ka-market-home {
  --ka-blue: #1677ff;
  --ka-ink: #172033;
  --ka-muted: #778195;
  --ka-line: #e9edf3;
  min-height: 100vh;
  background: #fff;
  color: var(--ka-ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  zoom: 0.9;
}

.ka-market-home *, .ka-market-home *::before, .ka-market-home *::after { box-sizing: border-box; }
.ka-market-home button { font: inherit; }
.ka-market-container { width: min(1620px, calc(100% - 64px)); margin: 0 auto; }

.ka-market-header {
  position: sticky;
  top: 0;
  z-index: 90;
  height: 76px;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid rgba(20,32,55,.06);
  box-shadow: 0 2px 12px rgba(25,40,74,.035);
  backdrop-filter: blur(14px);
}

.ka-market-header-inner {
  width: min(1448px, calc(100% - 88px));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 176px minmax(560px,1fr) 430px;
  align-items: center;
}

.ka-market-brand { width: 132px; height: 60px; display: block; overflow: hidden; border: 0; background: #fff; padding: 0; cursor: pointer; text-align: left; }
.ka-market-logo-image { width: 132px; height: 60px; margin: 0; display: block; object-fit: contain; object-position: left center; }
.ka-market-logo { width: 47px; height: 47px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; color: #fff; font-size: 27px; background: linear-gradient(145deg,#71ccff 0%,#3b82f6 48%,#6257e8 100%); box-shadow: 0 8px 20px rgba(66,123,240,.22); flex: 0 0 auto; }
.ka-market-brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.ka-market-brand-copy strong { font-family: "Noto Serif SC", serif; font-size: 21px; font-weight: 800; letter-spacing: .02em; }
.ka-market-brand-copy small { color: #8b94a5; font-size: 11px; margin-top: 6px; letter-spacing: .12em; }

.ka-market-nav { height: 100%; display: flex; align-items: stretch; justify-content: flex-start; gap: 18px; }
.ka-market-nav-item { position: relative; display: flex; align-items: stretch; }
.ka-market-nav-item > button { height: 100%; padding: 0 10px; display: flex; align-items: center; gap: 4px; border: 0; background: transparent; color: #141b2d; font-size: 17px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.ka-market-nav-item > button::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 0; height: 3px; background: #4b76ea; transform: scaleX(0); transition: transform .2s ease; }
.ka-market-nav-item > button i { color: #9aa2b0; font-size: 16px; transition: transform .2s; }
.ka-market-nav-item > button > i { display:none; }
.ka-market-nav-item:hover > button { color: #3567db; }
.ka-market-nav-item:hover > button::after { transform: scaleX(1); }
.ka-market-nav-item.active > button { color:#1769f5; }
.ka-market-nav-item.active > button::after { transform:scaleX(1); }
.ka-market-nav-item:hover > button i { transform: rotate(180deg); }
.ka-market-nav-panel { position: absolute; top: 68px; left: 50%; transform: translate(-50%,8px); width: 306px; padding: 10px; border-radius: 10px; background: #fff; border: 1px solid #ebeff5; box-shadow: 0 18px 46px rgba(27,42,72,.16); opacity: 0; visibility: hidden; pointer-events: none; transition: all .18s ease; }
.ka-market-nav-panel::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 12px; }
.ka-market-nav-panel.is-wide { width: 590px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); }
.ka-market-nav-item:hover .ka-market-nav-panel, .ka-market-nav-item:focus-within .ka-market-nav-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%,0); }
.ka-market-nav-panel button { width: 100%; display: flex; gap: 12px; align-items: center; padding: 11px 12px; border: 0; border-radius: 7px; color: #283148; background: transparent; text-align: left; cursor: pointer; }
.ka-market-nav-panel button:hover { background: #f4f7ff; color: #3368e3; }
.ka-market-nav-panel button span { display: flex; flex-direction: column; min-width: 0; }
.ka-market-nav-panel button strong { font-size: 14px; font-weight: 700; }
.ka-market-nav-panel button small { margin-top: 3px; color: #929aaa; font-size: 11px; font-weight: 400; }

.ka-market-user-tools { display: flex; justify-content: flex-end; align-items: center; gap: 14px; }
.ka-header-inline-search { width:280px; height:44px; display:flex; align-items:center; gap:10px; padding:0 16px; border:1px solid #dbe4f2; border-radius:17px; background:#fff; transition:border-color .2s,box-shadow .2s; }
.ka-header-inline-search.active,.ka-header-inline-search:focus-within { border-color:#9bbcff; box-shadow:0 0 0 4px rgba(23,105,245,.07); }
.ka-header-inline-search>i { color:#728098; font-size:20px; }
.ka-header-inline-search>input { min-width:0; flex:1; border:0; outline:0; color:#26344e; background:transparent; font-size:13px; }
.ka-header-inline-search>input::placeholder { color:#9aa6b9; }
.ka-market-tool { position: relative; width: 39px; height: 39px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 50%; background: transparent; color: #3b4352; font-size: 21px; cursor: pointer; }
.ka-market-tool:hover { background: #f4f6fa; color: #3567db; }
.ka-market-tool em { position: absolute; top: -1px; right: -4px; min-width: 19px; height: 19px; padding: 0 4px; display: inline-flex; align-items: center; justify-content: center; border: 2px solid #fff; border-radius: 999px; background: #ff4d59; color: #fff; font-size: 10px; font-style: normal; }
.ka-market-user { margin-left: 0; padding: 0; width:44px; height:44px; display: flex; align-items: center; justify-content:center; border: 0; background: transparent; color: #3d4452; cursor: pointer; }
.ka-market-user > span { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: linear-gradient(135deg,#2382ff,#1769f5); color: #fff; font-size:17px; font-weight: 700; }
.ka-market-user b { font-size: 14px; font-weight: 500; max-width: 78px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ka-market-user i { color: #a1a8b3; }
.ka-market-user-copy,.ka-market-user>.bx-chevron-down { display:none; }

/* 学生端旧页面：退役左侧功能栏，统一接入首页横向导航。 */
.student-portal-shell > .ka-student-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
.student-portal-shell .sidebar.home-sidebar { display: none !important; }
.student-portal-shell .main-content {
  width: 100%;
  margin-left: 0 !important;
  padding-top: 76px !important;
}
.student-portal-shell .oj-detail-page { padding-top: 76px !important; }
.student-portal-shell .dh-page,
.student-portal-shell .dt-page { padding-top: 110px; }
.ka-student-header button:focus-visible {
  outline: 3px solid rgba(53,103,219,.2);
  outline-offset: -3px;
}

.ka-market-hero-shell { position: relative; padding: 36px 0 48px; background: linear-gradient(180deg,#dfeeff 0%,#f5f8ff 76%,#fff 100%); }
.ka-market-search-row { position: absolute; z-index: 80; top: 14px; left: 50%; width: min(980px,calc(100% - 64px)); height: 64px; padding: 9px 14px; display: flex; align-items: center; gap: 22px; transform: translateX(-50%); border: 1px solid #dce5f2; background: rgba(255,255,255,.98); box-shadow: 0 14px 38px rgba(27,47,82,.16); }
.ka-market-search { width: 640px; height: 46px; display: flex; align-items: center; overflow: hidden; background: #fff; border: 1px solid #d9e4f5; border-radius: 5px; box-shadow: 0 6px 18px rgba(45,87,143,.08); }
.ka-market-search > i { margin: 0 12px 0 16px; color: #91a1b7; font-size: 20px; }
.ka-market-search input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent; color: #273248; font-size: 14px; }
.ka-market-search button { align-self: stretch; width: 88px; border: 0; background: #3479ea; color: #fff; cursor: pointer; }
.ka-market-search-row > span { color: #6e7d93; font-size: 13px; }
.ka-market-search-row > span i { color: #ef8f2b; margin-right: 6px; }

.ka-market-feature { position: relative; display: grid; grid-template-columns: 405px minmax(0,1fr); grid-template-rows: 470px 96px; overflow: hidden; border-radius: 12px; background: #fff; box-shadow: 0 5px 14px rgba(40,40,54,.22); }
.ka-market-category { grid-column: 1; grid-row: 1; padding: 0; background: #3c394f; }
.ka-market-category button { width: 100%; height: calc(100% / 6); padding: 0 25px; display: flex; align-items: center; justify-content: space-between; border: 0; background: transparent; color: #fff; cursor: pointer; text-align: left; transition: background .18s; }
.ka-market-category button:hover,.ka-market-category button.active { background: rgba(255,255,255,.09); box-shadow: none; }
.ka-market-category button span { font-size: 17px; font-weight: 700; letter-spacing: .01em; }
.ka-market-category button small { display: inline; min-width: 0; margin-right: 4px; color: inherit; font-size: inherit; letter-spacing: inherit; }
.ka-market-category button i { color: #a7adbc; font-size: 27px; }

.ka-category-mega { position: absolute; z-index: 25; left: 405px; top: 0; width: 660px; height: 470px; padding: 22px 24px 24px; overflow: hidden; color: #263247; background: #fff; border-right: 1px solid #e7ebf1; box-shadow: 16px 0 30px rgba(24,36,62,.14); }
.ka-category-mega-head { padding-bottom: 15px; border-bottom: 1px solid #edf0f4; }
.ka-category-mega-head h2 { margin: 0; color: #172033; font-size: 20px; font-weight: 800; }
.ka-category-mega-head p { margin: 7px 0 0; color: #7b8493; font-size: 12px; line-height: 1.6; }
.ka-category-mega-head button { padding: 4px 0; border: 0; background: transparent; color: #3e78d9; font-size: 12px; cursor: pointer; }
.ka-category-mega-head button i { margin-left: 4px; vertical-align: -1px; }
.ka-category-keywords { min-height: 53px; padding: 13px 0 11px; display: flex; align-items: flex-start; flex-wrap: wrap; gap: 7px 12px; color: #677184; font-size: 11px; }
.ka-category-keywords strong { color: #2f394a; }.ka-category-keywords span { cursor: default; }
.ka-category-course-grid { margin:0 -24px -24px; padding:16px 24px 24px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 22px; background:#f5f6f8; }
.ka-category-course-grid button { min-width: 0; height: 116px; padding: 0; display: grid; grid-template-columns: 139px minmax(0,1fr); align-items: center; overflow: hidden; border: 1px solid #edf0f4; background: #fafbfc; color: #263247; text-align: left; cursor: pointer; transition: border-color .18s,box-shadow .18s,transform .18s; }
.ka-category-course-grid button:hover { border-color: #b9d4f8; box-shadow: 0 8px 20px rgba(39,75,123,.12); transform: translateY(-2px); }
.ka-category-course-grid img { width: 139px; height: 78px; object-fit: cover; }
.ka-category-course-grid button > span { min-width: 0; padding: 0 11px; display: flex; flex-direction: column; }
.ka-category-course-grid button strong { overflow: hidden; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.ka-category-course-grid button small { margin-top: 9px; color: #8992a1; font-size: 10px; }
.ka-category-panel-enter-active,.ka-category-panel-leave-active { transition: opacity .18s ease,transform .2s ease; }
.ka-category-panel-enter-from,.ka-category-panel-leave-to { opacity: 0; transform: translateX(-10px); }

.ka-market-carousel { position: relative; grid-column: 2; grid-row: 1; height:470px; overflow: hidden; background: #162661; }
.ka-market-slide { position: absolute; inset: 0; width:100%; height:100%; padding:0; border:0; opacity: 0; pointer-events: none; transform: scale(1.01); transition: opacity .65s ease, transform .8s ease; background:transparent; cursor:pointer; }
.ka-market-slide.active { opacity: 1; pointer-events: auto; transform: scale(1); }
.ka-market-slide img { width:100%; height:100%; display:block; object-fit:cover; }
.ka-market-slide.theme-violet { background: linear-gradient(125deg,#2e1b83 0%,#4a25c7 54%,#132c84 100%); }
.ka-market-slide.theme-blue { background: linear-gradient(125deg,#14255c 0%,#1157a5 58%,#0785d2 100%); }
.ka-market-slide.theme-cyan { background: linear-gradient(125deg,#102658 0%,#174d99 52%,#0c8f9b 100%); }
.ka-market-slide::before { content: ""; position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg,#000 5%,transparent 88%); }
.ka-market-slide-copy { position: relative; z-index: 3; align-self: center; padding: 0 34px 0 92px; color: #fff; }
.ka-market-slide-copy > span { display: inline-block; padding: 8px 13px; background: rgba(16,105,255,.82); border-left: 3px solid #71c7ff; font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.ka-market-slide-copy h1 { margin: 26px 0 15px; max-width: 650px; color: #fff; font-size: clamp(34px,3vw,52px); line-height: 1.18; font-weight: 800; letter-spacing: .01em; }
.ka-market-slide-copy p { max-width: 610px; color: rgba(255,255,255,.76); font-size: 16px; line-height: 1.9; }
.ka-market-slide-copy button { margin-top: 28px; min-width: 165px; height: 46px; padding: 0 22px; border: 1px solid rgba(255,255,255,.68); background: rgba(4,20,63,.2); color: #fff; cursor: pointer; font-weight: 600; }
.ka-market-slide-copy button:hover { background: #fff; color: #244bbb; }
.ka-market-slide-copy button i { margin-left: 7px; font-size: 19px; vertical-align: middle; }
.ka-market-slide-art { position: relative; overflow: hidden; }
.ka-tech-core { position: absolute; left: 50%; top: 50%; z-index: 3; width: 142px; height: 142px; margin: -72px 0 0 -72px; display: flex; align-items: center; justify-content: center; border-radius: 24px; background: linear-gradient(145deg,#fff,#9edcff); color: #3154cb; font-size: 74px; transform: rotate(-8deg); box-shadow: 0 0 0 13px rgba(255,255,255,.08),0 22px 50px rgba(0,0,0,.26); }
.ka-tech-orbit { position: absolute; left: 50%; top: 50%; border: 2px solid rgba(134,221,255,.42); border-radius: 50%; transform: translate(-50%,-50%) rotate(-18deg); }
.ka-tech-orbit::after { content: ""; position: absolute; width: 15px; height: 15px; border-radius: 50%; background: #ffbe31; box-shadow: 0 0 16px #ffc13d; }
.ka-tech-orbit-a { width: 330px; height: 190px; }.ka-tech-orbit-a::after { right: 38px; top: 3px; }
.ka-tech-orbit-b { width: 430px; height: 260px; transform: translate(-50%,-50%) rotate(28deg); }.ka-tech-orbit-b::after { left: 12px; bottom: 54px; background: #64eddb; }
.ka-tech-card { position: absolute; z-index: 4; width: 112px; height: 82px; padding: 13px; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(255,255,255,.35); background: rgba(8,25,82,.55); color: #fff; backdrop-filter: blur(7px); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.ka-tech-card i { font-size: 27px; color: #7bdfff; }.ka-tech-card span { margin-top: 6px; font-size: 10px; letter-spacing: .12em; }
.ka-tech-card-a { left: 10%; top: 18%; transform: rotate(-5deg); }.ka-tech-card-b { right: 7%; bottom: 18%; transform: rotate(7deg); }
.ka-tech-grid { position: absolute; right: -55px; bottom: -85px; width: 330px; height: 250px; border-radius: 50%; background: radial-gradient(circle at 35% 35%,rgba(63,231,255,.58),rgba(28,78,200,.14) 55%,transparent 70%); }
.ka-market-dots { position: absolute; z-index: 8; bottom: 24px; left: 0; right: 0; display: flex; justify-content: center; gap: 9px; }
.ka-market-dots button { width: 27px; height: 4px; padding: 0; border: 0; border-radius: 3px; background: rgba(255,255,255,.4); cursor: pointer; transition: all .2s; }
.ka-market-dots button.active { width: 39px; background: #fff; }

.ka-role-shortcuts { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: minmax(0,1fr) 252px; background: #fff; }
.ka-role-shortcut-viewport { min-width: 0; overflow: hidden; }
.ka-role-shortcut-track { height: 100%; display: flex; will-change: transform; transition: transform .58s cubic-bezier(.22,.61,.36,1); }
.ka-role-shortcut-track > button { min-width: 0; flex: 0 0 25%; padding: 0 29px; display: flex; align-items: center; gap: 14px; border: 0; border-right: 1px solid #ececec; background: transparent; color: #333a49; text-align: left; cursor: pointer; }
.ka-role-shortcut-track > button:hover { background: #f3f7ff; }
.ka-role-shortcut-track > button > img { width: 43px; height: 43px; display:block; border-radius: 9px; object-fit:cover; flex: 0 0 auto; }
.ka-role-shortcut-track div { display: flex; flex-direction: column; min-width: 0; }
.ka-role-shortcuts strong { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ka-role-shortcuts small { margin-top: 5px; color: #9299a5; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ka-role-shortcuts .ka-role-more { min-width: 0; display: flex; align-items: center; justify-content: center; border: 0; border-left: 1px solid #eaedf1; background: #fbfcfd; color: #6d7380; font-size: 15px; cursor: pointer; }
.ka-role-shortcuts .ka-role-more i { font-size: 19px; margin-left: 5px; }

.ka-market-hero-shell { padding-bottom:24px; }
.ka-market-section { padding: 53px 0 0; }
.ka-role-section { padding-bottom: 0; }
.ka-market-section-head { min-height: 43px; margin-bottom: 41px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ka-market-section-head h2 { display: flex; align-items: center; margin: 0; color: #343b4b; font-size: 27px; font-weight: 800; }
.ka-market-section-head > button { border: 0; background: transparent; color: #707886; font-size: 15px; cursor: pointer; }
.ka-market-section-head > button:hover { color: #3570e6; }
.ka-section-title-image { width:60px; height:43px; margin-right:12px; display:block; object-fit:fill; }

.ka-role-course-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 54px; }
.ka-role-course-card { height:262px; overflow: hidden; border-radius: 12px; background: #fff; box-shadow: 0 0 8px 6px rgba(220,220,220,.78); transition: transform .22s,box-shadow .22s; }
.ka-role-course-card:hover { transform: translateY(-5px); box-shadow: 0 13px 30px rgba(35,44,67,.2); }
.ka-role-course-cover { position: relative; height: 84px; display: flex; align-items: center; justify-content:center; color: #fff; overflow: hidden; }
.ka-role-course-cover img { position:absolute; inset:0; width:100%; height:100%; display:block; object-fit:cover; }
.ka-role-course-cover strong { position: relative; z-index:1; font-size: 20px; text-shadow:0 1px 3px rgba(0,0,0,.18); }
.ka-role-course-body { height:178px; padding: 22px 24px 18px; }.ka-role-course-body p { height: 92px; margin: 0; overflow: hidden; color: #777; font-size: 14px; line-height: 1.72; }
.ka-role-course-stats { margin-top: 13px; display: flex; align-items: center; gap: 22px; color: #858585; font-size: 12px; }.ka-role-course-stats span { display:flex; align-items:center; white-space:nowrap; }.ka-role-course-stats span img { width:22px; height:22px; margin-right:4px; opacity:.62; }.ka-role-course-stats b { margin-left: auto; color: #777; font-weight: 400; white-space:nowrap; }

.ka-course-section { padding-top: 48px; padding-bottom:0; background:#fff; }.ka-course-section:nth-of-type(even) { background: #fff; }
.ka-market-section-head-tabs { justify-content: flex-start; }.ka-market-section-head-tabs > button { margin-left: auto; }
.ka-course-tabs { display: flex; align-self: stretch; gap: 34px; margin-left: 38px; }
.ka-course-tabs button { position: relative; border: 0; background: transparent; color: #404857; font-size: 14px; cursor: pointer; }
.ka-course-tabs button::after { content: ""; position: absolute; left: 5px; right: 5px; bottom: 0; height: 2px; background: #2b82f6; transform: scaleX(0); }
.ka-course-tabs button.active { color: #2780f5; font-weight: 700; }.ka-course-tabs button.active::after { transform: scaleX(1); }
.ka-course-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 67px 54px; }
.ka-course-card { min-width: 0; overflow: hidden; border: 1px solid #ededed; border-radius: 18px; background: #fff; box-shadow: 0 0 8px 5px rgba(220,220,220,.82); cursor: pointer; transition: transform .22s,box-shadow .22s; }
.ka-course-card:hover { transform: translateY(-5px); box-shadow: 0 15px 32px rgba(28,37,59,.2); }
.ka-course-cover { position: relative; height: 207px; overflow: hidden; background: #142039; }
.ka-course-cover::before { content: ""; position: absolute; z-index: 2; inset: 0; pointer-events: none; box-shadow: inset 0 -1px rgba(0,0,0,.08); }
.ka-course-cover img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .5s cubic-bezier(.22,.61,.36,1),filter .3s; }
.ka-course-card:hover .ka-course-cover img { transform: scale(1.035); filter: saturate(1.06) contrast(1.02); }
.ka-course-cover-grid { position: absolute; inset: 0; opacity: .17; background-image: linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(125deg,transparent,#000); }
.ka-course-cover > i { position: absolute; right: 24px; top: 29px; color: rgba(255,255,255,.55); font-size: 79px; }
.ka-course-cover > span { position: relative; z-index: 2; font-size: 25px; font-weight: 800; letter-spacing: .03em; text-shadow: 0 2px 10px rgba(0,0,0,.16); }
.ka-course-cover > small { position: relative; z-index: 2; margin-top: 7px; font-size: 12px; letter-spacing: .08em; opacity: .85; }
.cover-indigo { background: linear-gradient(135deg,#255fc7,#7655e8); }.cover-blue { background: linear-gradient(135deg,#1267b8,#15a8df); }.cover-purple { background: linear-gradient(135deg,#342267,#8e3dc7); }.cover-night { background: linear-gradient(135deg,#111936,#34264f); }.cover-teal { background: linear-gradient(135deg,#1ca8a5,#48c9a4); }.cover-cyan { background: linear-gradient(135deg,#0d749c,#54b8d6); }.cover-orange { background: linear-gradient(135deg,#ef7652,#edbd38); }.cover-rose { background: linear-gradient(135deg,#ce3f61,#e85a91); }.cover-sky { background: linear-gradient(135deg,#2c9fdb,#5e75d5); }.cover-gold { background: linear-gradient(135deg,#eb7b45,#cba22e); }.cover-violet { background: linear-gradient(135deg,#4b43ce,#8a50d5); }.cover-green { background: linear-gradient(135deg,#159875,#46cc88); }
.ka-course-card-body { height: 118px; padding: 14px 18px 13px; }.ka-course-card-body h3 { margin: 0; overflow: hidden; color: #202020; font-size: 16px; font-weight: 700; white-space: nowrap; text-overflow: ellipsis; }.ka-course-card-body p { margin: 19px 0 7px; color: #858585; font-size: 13px; }.ka-course-card-body div { display: flex; align-items: center; justify-content: space-between; color: #929292; font-size: 12px; }.ka-course-stars { color:#ededed; font-size:19px; letter-spacing:-3px; line-height:1; }
.ka-hot-section { padding-top: 49px; padding-bottom: 100px; }

.ka-training-section { display:block; }
.ka-training-title { align-items: flex-end; margin-bottom: 35px; }.ka-training-title h2 { margin-top: 4px; color: #20294a; font-size: 32px; }.ka-training-title p { margin: 8px 0 0; color: #7c879d; font-size: 14px; }.ka-training-kicker { color: #5a69e3; font-size: 11px; font-weight: 800; letter-spacing: .24em; }.ka-training-title > button { height: 42px; padding: 0 19px; border-radius: 5px; background: #5961e9; color: #fff; }
.ka-current-program { margin-bottom: 24px; padding: 21px 24px; display: grid; grid-template-columns: 50px minmax(300px,1fr) auto auto; align-items: center; gap: 15px; border: 1px solid #e5e9f5; background: #fff; box-shadow: 0 7px 22px rgba(36,49,83,.06); }
.ka-current-program-icon { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: #fff; background: linear-gradient(135deg,#545ce0,#684ce1); font-size: 22px; }.ka-current-program div > small { color: #d58127; font-size: 11px; font-weight: 800; letter-spacing: .08em; }.ka-current-program h3 { margin: 4px 0 2px; font-size: 17px; }.ka-current-program p { margin: 0; color: #9099aa; font-size: 12px; }.ka-current-program-metrics { display: flex; gap: 8px; }.ka-current-program-metrics span { padding: 7px 10px; border-radius: 999px; background: #f1f4ff; color: #5a65c8; font-size: 11px; }.ka-current-program > button { height: 38px; padding: 0 16px; border: 0; border-radius: 5px; color: #fff; background: #545ce0; cursor: pointer; }
.ka-quick-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 18px; margin-bottom: 30px; }.ka-quick-card { min-width: 0; min-height: 114px; padding: 14px 15px; display: flex; align-items: center; gap: 12px; border: 1px solid #e9ecf5; background: #fff; text-align: left; cursor: pointer; box-shadow: 0 5px 16px rgba(39,51,79,.045); }.ka-quick-card:hover { border-color: #cfd6fa; transform: translateY(-2px); }.ka-quick-card img { width: 68px; height: 68px; object-fit: contain; order: 2; margin-left: auto; }.ka-quick-card > span { display: flex; flex-direction: column; min-width: 0; }.ka-quick-card strong { font-size: 14px; }.ka-quick-card small { margin-top: 5px; color: #929bad; font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.ka-quick-card em { margin-top: 11px; font-size: 12px; font-style: normal; font-weight: 700; }.ka-quick-card em i { vertical-align: -1px; }
.ka-operations-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 26px; scroll-margin-top: 94px; }.ka-legacy-card { margin: 0; min-width: 0; border-radius: 8px; border: 1px solid #e9edf5; box-shadow: 0 7px 22px rgba(36,49,83,.055); }.ka-legacy-card .home-card-header { padding: 19px 21px 12px; }.ka-legacy-card .home-card-header h3 { font-size: 17px; }.ka-legacy-card .todo-list { padding: 4px 20px 20px; }.ka-legacy-card .todo-item { min-height: 76px; }.ka-home-recommend-grid { grid-template-columns: repeat(4,minmax(0,1fr)); padding: 4px 18px 20px; gap: 10px; }.ka-home-recommend-grid .recommend-card { min-width: 0; }.ka-home-recommend-grid .recommend-card > img,.ka-home-recommend-grid .recommend-cover-empty { height: 96px; }.ka-home-recommend-grid .recommend-card-body { padding: 8px; }.ka-teacher-inbox { margin: 25px 0 0; border-radius: 8px; box-shadow: 0 7px 22px rgba(36,49,83,.055); }
.ka-progress-grid { margin-top: 26px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; }.ka-progress-card { margin: 0; min-height: 380px; padding: 21px; border-radius: 8px; border: 1px solid #e9edf5; box-shadow: 0 7px 22px rgba(36,49,83,.055); }.ka-progress-card .home-card-header { padding: 0; }.ka-progress-value { margin: 20px 0 5px; display: flex; align-items: center; gap: 15px; }.ka-progress-value > span { font-size: 42px; font-weight: 800; color: #4c55d4; }.ka-progress-value > span small { font-size: 15px; }.ka-progress-value p { margin: 0; color: #70798b; font-size: 12px; line-height: 1.8; }.ka-progress-value em { color: #2ca66f; font-style: normal; }.ka-progress-chart { height: 130px; margin-bottom: 9px; }.ka-streak { margin: 30px 0 9px; display: flex; align-items: center; justify-content: center; gap: 12px; }.ka-streak strong { color: #5a5be0; font-size: 67px; line-height: 1; }.ka-streak span { color: #4b5261; font-size: 17px; }.ka-streak small { color: #a0a6b2; font-size: 11px; }.ka-progress-card .checkin-unlock { text-align: center; }.ka-progress-card .checkin-calendar { margin-top: 35px; }.ka-progress-card .checkin-action { margin-top: 29px; }.ka-coach-mark { width: 70px; height: 70px; margin: 25px auto 16px; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: #5b5fdc; background: linear-gradient(145deg,#eef0ff,#e6f6ff); font-size: 36px; box-shadow: inset 0 0 0 7px #f7f8ff; }.ka-progress-card .ai-encourage-bubble { min-height: 115px; }.ka-progress-card .ai-encourage-btn { width: 100%; margin-top: 16px; }

.ka-market-footer { padding: 72px 0 77px; background: #06192d; color: rgba(255,255,255,.72); }
.ka-market-float { position:fixed; z-index:70; right:67px; bottom:42px; width:72px; height:72px; overflow:hidden; padding:8px; border:7px solid rgba(220,242,255,.92); border-radius:50%; background:#fff; box-shadow:0 4px 18px rgba(23,80,137,.22); cursor:pointer; }
.ka-market-float img { width:210px; max-width:none; height:98px; margin:-22px 0 0 -34px; display:block; object-fit:cover; object-position:center; }
.ka-footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 80px; }.ka-footer-brand { display: flex; flex-direction: column; align-items: flex-start; }.ka-footer-brand p { margin: 12px 0 0; color: #7890aa; font-size: 13px; }.ka-footer-grid h3 { margin: 0 0 24px; color: #fff; font-size: 17px; }.ka-footer-grid button { display: block; margin: 12px 0; padding: 0; border: 0; background: transparent; color: #8194aa; font-size: 13px; cursor: pointer; }.ka-footer-grid button:hover { color: #81b7ff; }.ka-footer-bottom { margin-top: 58px; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.08); color: #667d94; font-size: 12px; }
.ka-footer-logo { width:240px; height:112px; margin-top:-22px; display:block; border-radius:8px; object-fit:cover; object-position:center; box-shadow:0 8px 24px rgba(0,0,0,.12); filter:brightness(1.08); }

@media (max-width: 1450px) {
  .ka-market-header-inner { grid-template-columns: 270px 1fr 230px; }
  .ka-market-nav-item > button { padding: 0 12px; font-size: 14px; }
  .ka-market-feature { grid-template-columns: 330px minmax(0,1fr); }
  .ka-category-mega { left:330px;width:610px; }
  .ka-market-slide-copy { padding-left: 60px; }
  .ka-role-course-grid { gap: 28px; }.ka-course-grid { gap: 42px 30px; }
  .ka-quick-card img { width: 52px; height: 52px; }.ka-quick-card { padding: 12px; }
}

@media (max-width: 1100px) {
  .ka-market-container,.ka-market-header-inner { width: min(100% - 32px,1620px); }
  .ka-market-header-inner { grid-template-columns: 230px 1fr 170px; }.ka-market-brand-copy small,.ka-market-user b,.ka-market-user > i { display: none; }.ka-market-nav-item > button { padding: 0 8px; font-size: 13px; }.ka-market-nav-item > button i { display: none; }
  .ka-market-feature { grid-template-columns: 260px minmax(0,1fr); grid-template-rows: 420px auto; }.ka-market-slide-copy { padding-left: 35px; }.ka-market-slide-art { opacity: .68; }.ka-category-mega { left:260px;width:min(590px,calc(100% - 260px));height:420px; }.ka-role-shortcuts { grid-template-columns:minmax(0,1fr) 160px; }.ka-role-shortcut-track > button{flex-basis:25%;}.ka-role-shortcuts .ka-role-more { min-height: 75px; }
  .ka-role-course-grid { grid-template-columns: 1fr; }.ka-course-grid { grid-template-columns: repeat(2,1fr); }.ka-quick-grid { grid-template-columns: repeat(3,1fr); }.ka-operations-grid,.ka-progress-grid { grid-template-columns: 1fr; }.ka-current-program { grid-template-columns: 50px 1fr auto; }.ka-current-program-metrics { grid-column: 2 / -1; }.ka-footer-grid { gap: 30px; }
}

@media (max-width: 760px) {
  .student-portal-shell .main-content,
  .student-portal-shell .oj-detail-page { padding-top: 66px !important; }
  .student-portal-shell .dh-page,
  .student-portal-shell .dt-page { padding-top: 86px; }
  .ka-market-header { height: 66px; }.ka-market-header-inner { display: flex; justify-content: space-between; }.ka-market-brand { width: 180px; height: 56px; }.ka-market-logo-image { width:180px; height:84px; margin-top:-14px; }.ka-market-nav { display: none; }.ka-market-user-tools .ka-market-tool:first-child { display: none; }
  .ka-market-hero-shell { padding-top: 20px; }.ka-market-search-row { top:8px;width:calc(100% - 24px);height:auto; }.ka-market-search { width: 100%; }.ka-market-search-row > span { display: none; }.ka-market-feature { display: block; }.ka-market-category { display: grid; grid-template-columns: repeat(2,1fr); padding: 0; }.ka-market-category button { height: 58px; padding: 0 13px; border-bottom: 1px solid rgba(255,255,255,.08); }.ka-market-category button span { font-size: 12px; }.ka-market-category button small { min-width: auto; }.ka-market-category button i { font-size: 18px; }.ka-category-mega{display:none}.ka-market-carousel { height: 420px; }.ka-market-slide { grid-template-columns: 1fr; }.ka-market-slide-copy { padding: 0 24px; }.ka-market-slide-copy h1 { font-size: 31px; }.ka-market-slide-copy p { font-size: 13px; }.ka-market-slide-art { display: none; }.ka-role-shortcuts { display: grid; grid-template-columns:1fr; }.ka-role-shortcut-viewport{height:76px;overflow-x:auto}.ka-role-shortcut-track > button{flex-basis:50%;min-height:76px}.ka-role-shortcuts .ka-role-more { min-height:58px; }
  .ka-market-section { padding-top: 46px; }.ka-market-section-head h2 { font-size: 23px; }.ka-course-tabs { width: 100%; margin: 10px 0 0; overflow-x: auto; }.ka-market-section-head-tabs { flex-wrap: wrap; }.ka-market-section-head-tabs > button { display: none; }.ka-course-grid { grid-template-columns: 1fr; gap: 26px; }.ka-course-cover { height: 190px; }.ka-quick-grid { grid-template-columns: 1fr; }.ka-current-program { display: flex; flex-wrap: wrap; }.ka-current-program-metrics { width: 100%; flex-wrap: wrap; }.ka-operations-grid { gap: 18px; }.ka-home-recommend-grid { grid-template-columns: repeat(2,1fr); }.ka-footer-grid { grid-template-columns: 1fr 1fr; }.ka-footer-brand { grid-column: 1 / -1; }.ka-footer-bottom { flex-direction: column; gap: 8px; }.ka-market-float{right:16px;bottom:16px;width:58px;height:58px;border-width:5px}
}

/* ========================================================================== */
/* Learner home · Concept B refined (2026-08-19)                              */
/* The rules below intentionally override the legacy market-home composition.  */
/* ========================================================================== */
.ka-market-home {
  --ka-bg: #f7faff;
  --ka-surface: #ffffff;
  --ka-surface-soft: #f0f6ff;
  --ka-text: #17203a;
  --ka-text-soft: #63708a;
  --ka-primary: #2563eb;
  --ka-primary-deep: #1648c5;
  --ka-complete: #14b8a6;
  --ka-warning: #f59e0b;
  --ka-line-soft: rgba(112, 144, 190, .18);
  --ka-shadow-soft: 0 24px 72px rgba(72, 105, 159, .12);
  --ka-radius-xl: 28px;
  zoom: 1;
  min-height: 100vh;
  overflow-x: clip;
  color: var(--ka-text);
  background:
    radial-gradient(circle at 8% 8%, rgba(105, 205, 255, .14), transparent 28rem),
    radial-gradient(circle at 92% 18%, rgba(117, 104, 255, .11), transparent 30rem),
    var(--ka-bg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.ka-market-home button,
.ka-market-home input { font: inherit; }
.ka-market-home button { color: inherit; }
.ka-market-home img { max-width: 100%; }
.ka-market-container { width: min(1440px, calc(100% - 72px)); margin: 0 auto; }

.ka-market-header {
  height: 76px;
  border-bottom: 1px solid rgba(124, 150, 190, .14);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 28px rgba(50, 75, 115, .05);
  backdrop-filter: blur(22px) saturate(1.25);
}

.ka-market-header-inner {
  width: min(1440px, calc(100% - 72px));
  grid-template-columns: 220px minmax(0, 1fr) 250px;
  gap: 24px;
}

.ka-market-brand {
  width: 170px;
  height: 58px;
  overflow: visible;
  background: transparent;
}

.ka-market-logo-image {
  width: 170px;
  height: 58px;
  margin: 0;
  object-fit: contain;
  object-position: left center;
}

.ka-market-nav { gap: 3px; }
.ka-market-nav-item > button {
  padding: 0 17px;
  color: #34405a;
  font-size: 15px;
  font-weight: 650;
}
.ka-market-nav-item > button::after { left: 18px; right: 18px; background: var(--ka-primary); }
.ka-market-nav-panel {
  top: 68px;
  padding: 12px;
  border: 1px solid rgba(125, 153, 196, .18);
  border-radius: 16px;
  box-shadow: 0 24px 55px rgba(44, 68, 112, .16);
}
.ka-market-nav-panel button { border-radius: 11px; }
.ka-market-nav-panel button:hover { background: #f0f6ff; }

.ka-market-user-tools { gap: 4px; }
.ka-market-tool { color: #526079; }
.ka-market-user { margin-left: 8px; padding-left: 13px; }
.ka-market-user > span { background: linear-gradient(145deg, #3077f4, #655cf1); }

.ka-market-hero-shell {
  position: relative;
  padding: 28px 0 0;
  background: transparent;
}

.ka-market-hero {
  position: relative;
  min-height: 620px;
  overflow: visible;
  border: 1px solid rgba(118, 150, 204, .18);
  border-radius: var(--ka-radius-xl);
  background: rgba(255, 255, 255, .78);
  box-shadow: var(--ka-shadow-soft);
}

.ka-market-carousel {
  position: relative;
  grid-column: auto;
  grid-row: auto;
  height: 486px;
  overflow: hidden;
  border-radius: var(--ka-radius-xl) var(--ka-radius-xl) 0 0;
  background:
    linear-gradient(106deg, rgba(255, 255, 255, .98) 4%, rgba(247, 251, 255, .96) 49%, rgba(226, 238, 255, .78) 100%);
}

.ka-market-carousel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(46, 105, 220, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 105, 220, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, #000, transparent 55%);
}

.ka-market-slide {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(500px, .95fr);
  align-items: stretch;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: default;
  transform: translateY(8px);
  transition: opacity .55s ease, transform .7s cubic-bezier(.22, .61, .36, 1);
}
.ka-market-slide::before { display: none; }
.ka-market-slide.active { transform: translateY(0); }

.ka-market-slide-copy {
  position: relative;
  z-index: 3;
  align-self: center;
  padding: 14px 24px 26px 74px;
  color: var(--ka-text);
}
.ka-market-slide-copy > span {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ka-primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}
.ka-market-slide-copy h1 {
  max-width: 620px;
  margin: 20px 0 18px;
  color: #122446;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(38px, 3.1vw, 55px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.04em;
}
.ka-market-slide-copy p {
  max-width: 590px;
  margin: 0;
  color: #687795;
  font-size: 15px;
  line-height: 1.9;
}
.ka-market-slide-actions { display: flex; gap: 12px; margin-top: 30px; }
.ka-market-slide-copy button {
  min-width: 136px;
  height: 46px;
  margin: 0;
  padding: 0 22px;
  border: 1px solid #c8d7ef;
  border-radius: 13px;
  color: #32415e;
  background: rgba(255, 255, 255, .85);
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.ka-market-slide-copy button.is-primary {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, #286ff2, #5d5ff0);
  box-shadow: 0 12px 26px rgba(50, 104, 230, .24);
}
.ka-market-slide-copy button:hover { transform: translateY(-2px); border-color: #7da7ee; }
.ka-market-slide-copy button.is-primary:hover { color: #fff; background: linear-gradient(135deg, #1e63e6, #514fdc); }

.ka-market-slide-visual {
  position: relative;
  z-index: 2;
  min-width: 0;
  overflow: hidden;
}
.ka-market-slide-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #f9fcff 0%, transparent 22%, transparent 88%, rgba(249, 252, 255, .2));
  pointer-events: none;
}
.ka-market-slide .ka-market-slide-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: saturate(.96) contrast(.98);
}

.ka-market-dots {
  left: 74px;
  right: auto;
  bottom: 26px;
  justify-content: flex-start;
}
.ka-market-dots button { width: 24px; height: 5px; background: #c7d4e9; }
.ka-market-dots button.active { width: 42px; background: var(--ka-primary); }

.ka-market-discovery {
  position: absolute;
  z-index: 20;
  left: 22px;
  right: 22px;
  bottom: 20px;
  min-height: 114px;
  display: grid;
  grid-template-columns: minmax(430px, 1.2fr) minmax(300px, .9fr) minmax(300px, .8fr);
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  border: 1px solid rgba(123, 155, 205, .2);
  border-radius: 20px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 48px rgba(55, 84, 132, .14);
  backdrop-filter: blur(22px) saturate(1.25);
}

.ka-market-category {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
  padding: 0;
  background: transparent;
}
.ka-market-category button {
  width: auto;
  height: 78px;
  padding: 5px 3px;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: #40506e;
  background: transparent;
  font-size: 12px;
  font-weight: 650;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.ka-market-category button:hover,
.ka-market-category button.active {
  border-color: transparent;
  color: var(--ka-primary);
  background: #f3f7ff;
  box-shadow: none;
}
.ka-market-category button i {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #3e75e9;
  background: #edf4ff;
  font-size: 20px;
}
.ka-market-category button:nth-child(2) i { color: #1288d5; background: #e8f7ff; }
.ka-market-category button:nth-child(3) i { color: #6259ed; background: #f0edff; }
.ka-market-category button:nth-child(4) i { color: #f28a14; background: #fff3e4; }
.ka-market-category button:nth-child(5) i { color: #536ce8; background: #edf0ff; }
.ka-market-category button:nth-child(6) i { color: #65738e; background: #f0f3f8; }
.ka-market-category button span { overflow: hidden; font-size: 11px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }

.ka-market-search {
  width: 100%;
  height: 58px;
  border: 1px solid #cbd9ed;
  border-radius: 18px;
  background: #fff;
  box-shadow: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.ka-market-search:focus-within { border-color: #74a4f4; box-shadow: 0 0 0 4px rgba(37, 99, 235, .1); }
.ka-market-search input { padding: 0 18px 0 22px; font-size: 13px; }
.ka-market-search .ka-market-search-submit {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  margin: 2px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 16px;
  color: #14213d;
  background: transparent;
  font-size: 26px;
  cursor: pointer;
}

.ka-current-program-compact {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-left: 4px;
}
.ka-current-program-compact > div { min-width: 0; flex: 1 1 auto; display: flex; flex-direction: column; }
.ka-current-program-compact small { color: #8390a8; font-size: 10px; }
.ka-current-program-compact strong { margin: 5px 0 4px; overflow: hidden; color: #20304f; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.ka-current-program-compact span { overflow: hidden; color: #65738e; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.ka-current-program-compact span b { margin-left: 5px; color: var(--ka-primary); font-size: 11px; }
.ka-current-program-progress { width: 100%; height: 5px; margin-top: 7px; overflow: hidden; border-radius: 999px; background: #e5ecf7; }
.ka-current-program-progress i { height: 100%; display: block; border-radius: inherit; background: linear-gradient(90deg, #2563eb, #79a5ff); }
.ka-current-program-compact button {
  flex: 0 0 auto;
  height: 38px;
  padding: 0 14px;
  border: 1px solid #b9d0f5;
  border-radius: 11px;
  color: var(--ka-primary);
  background: #f2f7ff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.ka-category-mega {
  left: 0;
  top: calc(100% + 10px);
  width: min(760px, 72vw);
  height: auto;
  min-height: 330px;
  padding: 24px;
  border: 1px solid rgba(118, 150, 204, .22);
  border-radius: 20px;
  box-shadow: 0 26px 70px rgba(40, 67, 111, .2);
}
.ka-category-course-grid {
  margin: 0;
  padding: 15px 0 0;
  border-top: 1px solid #edf2f8;
  background: transparent;
}
.ka-category-course-grid button { height: 102px; grid-template-columns: 128px minmax(0, 1fr); border-radius: 13px; }
.ka-category-course-grid img { width: 128px; height: 100%; }

.ka-next-section-cue {
  padding: 76px 8px 10px;
  text-align: center;
}
.ka-next-section-cue span,
.ka-market-section-head > div > span,
.ka-learning-resource-banner > div > span {
  color: var(--ka-primary);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .18em;
}
.ka-next-section-cue h2 {
  margin: 12px 0 10px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(28px, 2.5vw, 40px);
  line-height: 1.25;
}
.ka-next-section-cue p { margin: 0; color: var(--ka-text-soft); font-size: 14px; }

.ka-market-section { padding: 96px 0 0; }
.ka-role-section { padding-top: 104px; }
.ka-market-section-head {
  min-height: 0;
  margin-bottom: 34px;
  align-items: flex-end;
}
.ka-market-section-head > div { max-width: 780px; }
.ka-market-section-head h2 {
  margin: 10px 0 0;
  color: var(--ka-text);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(27px, 2.3vw, 38px);
  line-height: 1.25;
}
.ka-market-section-head p { margin: 11px 0 0; color: var(--ka-text-soft); font-size: 14px; line-height: 1.75; }
.ka-market-section-head > button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 0;
  color: var(--ka-primary);
  font-size: 13px;
  font-weight: 700;
}

.ka-role-shortcut-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.ka-role-shortcut-row > button {
  min-width: 0;
  min-height: 86px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--ka-line-soft);
  border-radius: 17px;
  background: rgba(255, 255, 255, .8);
  text-align: left;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.ka-role-shortcut-row > button:hover { transform: translateY(-3px); border-color: #a9c5f2; box-shadow: 0 14px 30px rgba(61, 94, 145, .1); }
.ka-role-shortcut-row img { width: 54px; height: 54px; border-radius: 14px; object-fit: cover; }
.ka-role-shortcut-row span { min-width: 0; display: flex; flex-direction: column; }
.ka-role-shortcut-row strong { overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.ka-role-shortcut-row small { margin-top: 6px; overflow: hidden; color: #8490a5; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.ka-role-shortcut-row > button > i { color: #91a0b7; font-size: 19px; }

.ka-role-course-grid { gap: 24px; }
.ka-role-course-card {
  height: auto;
  min-height: 320px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--ka-line-soft);
  border-radius: 18px;
  background: var(--ka-surface);
  box-shadow: 0 16px 44px rgba(64, 92, 136, .1);
  text-align: left;
  cursor: pointer;
}
.ka-role-course-card:hover { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(46, 77, 128, .16); }
.ka-role-course-cover { height: 160px; }
.ka-role-course-cover img { object-fit: cover; object-position: center; }
.ka-role-course-cover img { transition: transform .6s ease; }
.ka-role-course-card:hover .ka-role-course-cover img { transform: scale(1.035); }
.ka-role-course-cover span {
  position: absolute;
  z-index: 2;
  left: 16px;
  top: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(27, 83, 201, .86);
  font-size: 10px;
  font-weight: 800;
  backdrop-filter: blur(8px);
}
.ka-role-course-body { height: auto; padding: 18px 20px 20px; }
.ka-role-course-body h3 { margin: 0; color: #1d2941; font-size: 19px; }
.ka-role-course-body p { height: auto; min-height: 44px; margin: 8px 0 17px; color: #77839a; font-size: 12px; line-height: 1.65; }
.ka-role-course-stats { margin: 0; gap: 14px; color: #76839a; }
.ka-role-course-stats span { gap: 4px; }
.ka-role-course-stats span i { color: #7098e4; font-size: 16px; }
.ka-role-course-stats b { margin-left: auto; color: var(--ka-primary); font-weight: 750; }

.ka-learning-resource-wrap { padding: 110px 0 8px; }
.ka-learning-resource-banner {
  position: relative;
  min-height: 245px;
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(520px, 1.1fr);
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(113, 157, 220, .2);
  border-radius: var(--ka-radius-xl);
  background: linear-gradient(110deg, #eef8ff, #f7f8ff 55%, #e9efff);
  box-shadow: 0 20px 55px rgba(68, 97, 145, .1);
}
.ka-learning-resource-banner > div { position: relative; z-index: 2; padding: 42px 10px 42px 54px; }
.ka-learning-resource-banner h2 { margin: 12px 0 24px; font-family: "Noto Serif SC", serif; font-size: 30px; }
.ka-learning-resource-banner button {
  height: 42px;
  padding: 0 17px;
  border: 0;
  border-radius: 11px;
  color: #fff;
  background: var(--ka-primary);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.ka-learning-resource-banner img { width: 100%; height: 245px; object-fit: cover; object-position: center; mask-image: linear-gradient(90deg, transparent 0, #000 22%); }

.ka-course-section { padding-top: 104px; background: transparent; }
.ka-course-section:nth-of-type(even) { background: transparent; }
.ka-market-section-head-tabs { justify-content: space-between; }
.ka-course-tabs { align-self: auto; gap: 6px; margin-left: auto; padding: 5px; border: 1px solid #dfe8f5; border-radius: 13px; background: rgba(255, 255, 255, .76); }
.ka-course-tabs button { min-height: 34px; padding: 0 12px; border-radius: 9px; color: #6d7890; font-size: 12px; }
.ka-course-tabs button::after { display: none; }
.ka-course-tabs button.active { color: var(--ka-primary); background: #eaf2ff; }
.ka-course-grid { gap: 22px; }
.ka-course-card {
  padding: 0;
  border: 1px solid var(--ka-line-soft);
  border-radius: 20px;
  box-shadow: 0 13px 34px rgba(65, 92, 135, .09);
  text-align: left;
}
.ka-course-card:hover { transform: translateY(-5px); box-shadow: 0 20px 42px rgba(52, 82, 130, .16); }
.ka-course-cover { height: 180px; }
.ka-course-card-body { height: 124px; padding: 17px 18px; }
.ka-course-card-body h3 { color: #1c2840; }
.ka-course-card-body p { margin: 17px 0 8px; }
.ka-course-stars { color: #d9e2ef; }
.ka-hot-section { padding-bottom: 120px; }

.ka-training-section {
  display: block;
  padding: 118px 0 120px;
  border-top: 1px solid rgba(132, 158, 196, .12);
  background:
    radial-gradient(circle at 2% 14%, rgba(83, 203, 218, .1), transparent 30rem),
    radial-gradient(circle at 96% 32%, rgba(110, 102, 246, .09), transparent 34rem),
    #f3f7fd;
}
.ka-training-title { margin-bottom: 38px; }
.ka-training-title h2 { margin-top: 10px; color: var(--ka-text); font-size: clamp(30px, 2.55vw, 42px); }
.ka-training-title p { margin-top: 11px; }
.ka-training-title > button {
  height: 44px;
  padding: 0 17px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  background: var(--ka-primary);
  font-size: 12px;
  font-weight: 700;
}

.ka-training-feature {
  min-height: 500px;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(390px, .82fr);
  overflow: hidden;
  border: 1px solid rgba(109, 148, 204, .2);
  border-radius: var(--ka-radius-xl);
  background: #fff;
  box-shadow: var(--ka-shadow-soft);
}
.ka-training-visual { min-width: 0; overflow: hidden; background: #e9f5ff; }
.ka-training-visual img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.ka-training-program { padding: 48px 46px; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg, #fff, #f2f6ff); }
.ka-training-program > small { color: var(--ka-primary); font-size: 11px; font-weight: 750; }
.ka-training-program > small i { margin-right: 5px; }
.ka-training-program h3 { margin: 15px 0 10px; font-family: "Noto Serif SC", serif; font-size: 28px; line-height: 1.3; }
.ka-training-program > p { margin: 0 0 27px; color: #748198; font-size: 13px; }
.ka-training-program > p strong { color: #34435f; }
.ka-training-progress { display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 7px 18px; color: #66738b; font-size: 12px; }
.ka-training-progress > strong { grid-column: 1; grid-row: 2; color: var(--ka-primary); font-size: 30px; line-height: 1; }
.ka-training-progress > div { grid-column: 2; grid-row: 2; height: 7px; overflow: hidden; border-radius: 999px; background: #e2eaf7; }
.ka-training-progress > div i { height: 100%; display: block; border-radius: inherit; background: linear-gradient(90deg, #296ff0, #36c7c3); }
.ka-training-metrics { margin: 28px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.ka-training-metrics > span { min-width: 0; padding: 0 14px; display: grid; grid-template-columns: 32px 1fr; grid-template-rows: auto auto; align-items: center; border: 0; border-right: 1px solid #e1e8f3; border-radius: 0; background: transparent; }
.ka-training-metrics > span:first-child { padding-left: 0; }
.ka-training-metrics > span:last-child { border-right: 0; }
.ka-training-metrics > span > i { grid-row: 1 / 3; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 10px; color: #fff; background: linear-gradient(145deg, #2c7bf4, #5b62ec); font-size: 18px; }
.ka-training-metrics > span:nth-child(2) > i { background: linear-gradient(145deg, #14c2bd, #2bca9c); }
.ka-training-metrics > span:nth-child(3) > i { background: linear-gradient(145deg, #ff9d19, #ff6d32); }
.ka-training-metrics strong { color: #20304f; font-size: 17px; }
.ka-training-metrics strong em { margin-left: 2px; font-size: 11px; font-style: normal; font-weight: 500; }
.ka-training-metrics small { margin-top: 2px; color: #8b96a9; font-size: 9px; }
.ka-training-program > button { height: 46px; border: 0; border-radius: 12px; color: #fff; background: linear-gradient(135deg, #2563eb, #5259e8); font-size: 13px; font-weight: 750; cursor: pointer; }
.ka-next-task { margin-top: 15px; display: flex; align-items: center; justify-content: space-between; color: #7a869b; font-size: 11px; }
.ka-training-program.is-empty > p { font-size: 14px; line-height: 1.8; }

.ka-training-feature + .laj-shell { margin-top: 34px; }
.ka-growth-tools { padding-top: 112px; scroll-margin-top: 96px; }
.ka-quick-grid { gap: 16px; margin: 0; }
.ka-quick-card {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--ka-line-soft);
  border-radius: 18px;
  background: rgba(255, 255, 255, .8);
  box-shadow: 0 12px 30px rgba(67, 93, 137, .07);
}
.ka-quick-card:hover { border-color: #a9c3ed; transform: translateY(-4px); box-shadow: 0 17px 36px rgba(57, 88, 139, .12); }
.ka-quick-icon { order: 2; margin-left: auto; }
.ka-quick-card img { width: 76px; height: 76px; margin: 0; }
.ka-quick-card strong { font-size: 15px; }
.ka-quick-card small { margin-top: 7px; }
.ka-quick-card em { margin-top: 18px; }

.ka-operations-title { margin-top: 116px; }
.ka-operations-grid { gap: 22px; }
.ka-legacy-card,
.ka-teacher-inbox,
.ka-progress-card {
  border: 1px solid var(--ka-line-soft);
  border-radius: 20px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 15px 38px rgba(64, 91, 135, .08);
}
.ka-legacy-card { min-height: 400px; }
.ka-legacy-card .home-card-header { padding: 23px 24px 14px; }
.ka-legacy-card .todo-list { padding: 5px 22px 22px; }
.ka-home-recommend-grid { padding: 6px 22px 22px; }
.ka-teacher-inbox { margin-top: 22px; }
.ka-progress-grid { gap: 22px; }
.ka-progress-card { border-radius: 20px; }

.ka-market-float {
  right: 34px;
  bottom: 30px;
  width: 58px;
  height: 58px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  border: 5px solid rgba(226, 241, 255, .95);
  color: #fff;
  background: linear-gradient(145deg, #2875f3, #6259ed);
  box-shadow: 0 12px 28px rgba(48, 94, 190, .26);
  font-size: 28px;
}
.ka-market-float:hover { transform: translateY(-3px); }

.ka-market-footer { padding: 62px 0 36px; background: #f7faff; color: #78849a; border-top: 1px solid rgba(121, 151, 194, .15); }
.ka-footer-grid { gap: 70px; }
.ka-footer-brand p { color: #8792a5; }
.ka-footer-grid h3 { color: #293650; font-size: 14px; }
.ka-footer-grid button { color: #7b879d; }
.ka-footer-grid button:hover { color: var(--ka-primary); }
.ka-footer-bottom { color: #98a2b2; border-color: #e3ebf5; }
.ka-footer-logo { width: 156px; height: 55px; margin: 0; border-radius: 0; object-fit: contain; object-position: left center; box-shadow: none; filter: none; }

.ka-market-home button,
.ka-market-home a,
.ka-market-home input { outline: none; }
.ka-market-home button:focus-visible,
.ka-market-home a:focus-visible,
.ka-market-home input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .28);
  outline-offset: 3px;
}

@media (max-width: 1280px) {
  .ka-market-container,
  .ka-market-header-inner { width: min(1180px, calc(100% - 48px)); }
  .ka-market-header-inner { grid-template-columns: 185px minmax(0, 1fr) 210px; }
  .ka-market-nav-item > button { padding: 0 11px; font-size: 14px; }
  .ka-market-user b { display: none; }
  .ka-market-slide { grid-template-columns: minmax(0, 1.02fr) minmax(450px, .98fr); }
  .ka-market-slide-copy { padding-left: 52px; }
  .ka-market-discovery { grid-template-columns: minmax(360px, 1.05fr) minmax(280px, .9fr) minmax(250px, .8fr); gap: 12px; }
  .ka-role-course-grid { gap: 18px; }
  .ka-course-grid { gap: 18px; }
  .ka-quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .ka-market-container,
  .ka-market-header-inner { width: min(100% - 36px, 900px); }
  .ka-market-header-inner { grid-template-columns: 160px 1fr auto; }
  .ka-market-brand,
  .ka-market-logo-image { width: 148px; }
  .ka-market-nav { justify-content: flex-end; }
  .ka-market-nav-item:nth-child(n+4) { display: none; }
  .ka-market-user { display: none; }
  .ka-market-hero { min-height: 760px; }
  .ka-market-carousel { height: 610px; }
  .ka-market-slide { grid-template-columns: 1fr; grid-template-rows: auto 270px; }
  .ka-market-slide-copy { padding: 50px 48px 10px; }
  .ka-market-slide-copy h1 { max-width: 700px; font-size: 42px; }
  .ka-market-slide-visual { grid-row: 2; }
  .ka-market-slide-visual::after { background: linear-gradient(180deg, #f9fcff 0%, transparent 22%); }
  .ka-market-dots { left: 48px; bottom: 285px; }
  .ka-market-discovery { grid-template-columns: 1fr 1fr; }
  .ka-current-program-compact { grid-column: 1 / -1; padding: 0 4px; }
  .ka-category-mega { width: 100%; }
  .ka-role-shortcut-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ka-role-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ka-role-course-card:last-child { grid-column: 1 / -1; }
  .ka-learning-resource-banner { grid-template-columns: .9fr 1.1fr; }
  .ka-learning-resource-banner > div { padding-left: 34px; }
  .ka-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ka-training-feature { grid-template-columns: 1fr; }
  .ka-training-visual { height: 420px; }
  .ka-quick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ka-operations-grid { grid-template-columns: 1fr; }
  .ka-progress-grid { grid-template-columns: 1fr; }
  .ka-progress-card { min-height: 330px; }
}

@media (max-width: 760px) {
  .ka-market-container,
  .ka-market-header-inner { width: calc(100% - 24px); }
  .ka-market-header { height: 64px; }
  .ka-market-header-inner { grid-template-columns: 135px 1fr auto; gap: 6px; }
  .ka-market-brand,
  .ka-market-logo-image { width: 130px; height: 50px; }
  .ka-market-nav-item { display: none; }
  .ka-market-nav-item:first-child { display: flex; }
  .ka-market-nav-item > button { padding: 0 8px; font-size: 13px; }
  .ka-market-nav-panel { position: fixed; top: 64px; left: 12px; right: 12px; width: auto; transform: translateY(8px); }
  .ka-market-nav-item:hover .ka-market-nav-panel,
  .ka-market-nav-item:focus-within .ka-market-nav-panel { transform: translateY(0); }
  .ka-market-tool:first-child { display: none; }
  .ka-market-hero-shell { padding-top: 12px; }
  .ka-market-hero { min-height: 805px; border-radius: 22px; }
  .ka-market-carousel { height: 470px; border-radius: 22px 22px 0 0; }
  .ka-market-slide { grid-template-rows: auto 190px; }
  .ka-market-slide-copy { padding: 34px 24px 4px; }
  .ka-market-slide-copy > span { font-size: 9px; }
  .ka-market-slide-copy h1 { margin: 13px 0 12px; font-size: 31px; }
  .ka-market-slide-copy p { font-size: 12px; line-height: 1.65; }
  .ka-market-slide-actions { margin-top: 18px; }
  .ka-market-slide-copy button { min-width: 112px; height: 40px; padding: 0 13px; font-size: 11px; }
  .ka-market-dots { left: 24px; bottom: 198px; }
  .ka-market-discovery { left: 10px; right: 10px; bottom: 10px; grid-template-columns: 1fr; gap: 10px; padding: 12px; border-radius: 16px; }
  .ka-market-category { grid-template-columns: repeat(3, 1fr); }
  .ka-market-category button { padding: 0 7px; gap: 5px; }
  .ka-market-category button i { font-size: 15px; }
  .ka-current-program-compact { display: flex; min-height: 66px; padding: 3px 4px 0; }
  .ka-current-program-compact button { height: 36px; padding: 0 11px; font-size: 10px; }
  .ka-category-mega { top: calc(100% + 6px); width: 100%; max-height: 58vh; min-height: 0; overflow-y: auto; padding: 17px; }
  .ka-category-course-grid { grid-template-columns: 1fr; }
  .ka-next-section-cue { padding: 58px 4px 0; }
  .ka-next-section-cue h2 { font-size: 27px; }
  .ka-next-section-cue p { font-size: 12px; line-height: 1.65; }
  .ka-market-section { padding-top: 82px; }
  .ka-market-section-head { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 24px; }
  .ka-market-section-head h2 { font-size: 28px; }
  .ka-market-section-head p { font-size: 12px; }
  .ka-role-shortcut-row { grid-template-columns: 1fr; }
  .ka-role-course-grid { grid-template-columns: 1fr; }
  .ka-role-course-card:last-child { grid-column: auto; }
  .ka-learning-resource-wrap { padding-top: 82px; }
  .ka-learning-resource-banner { min-height: 390px; grid-template-columns: 1fr; grid-template-rows: auto 190px; }
  .ka-learning-resource-banner > div { padding: 30px 26px 10px; }
  .ka-learning-resource-banner h2 { font-size: 25px; }
  .ka-learning-resource-banner img { height: 190px; mask-image: linear-gradient(180deg, transparent 0, #000 22%); }
  .ka-market-section-head-tabs { align-items: stretch; }
  .ka-course-tabs { width: 100%; overflow-x: auto; }
  .ka-course-tabs button { flex: 0 0 auto; }
  .ka-course-grid { grid-template-columns: 1fr; }
  .ka-course-cover { height: 205px; }
  .ka-hot-section { padding-bottom: 86px; }
  .ka-training-section { padding: 88px 0; }
  .ka-training-visual { height: 280px; }
  .ka-training-program { padding: 30px 24px; }
  .ka-training-program h3 { font-size: 23px; }
  .ka-training-metrics { gap: 6px; }
  .ka-growth-tools { padding-top: 88px; }
  .ka-quick-grid { grid-template-columns: 1fr; }
  .ka-operations-title { margin-top: 92px; }
  .ka-home-recommend-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ka-market-float { right: 4px; bottom: 16px; width: 44px; height: 44px; border-width: 4px; font-size: 22px; }
  .ka-footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .ka-footer-brand { grid-column: 1 / -1; }
  .ka-footer-bottom { gap: 10px; flex-direction: column; }
}

.ka-student-header {
  --ka-nav-icon-blue: #3478f6;
  --ka-nav-icon-sky: #5aa7ff;
  --ka-nav-icon-ice: #cfe7ff;
  --ka-nav-icon-purple: rgba(158, 168, 248, .4);
}
.ka-nav-glass-icon {
  position: relative;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  flex: 0 0 42px;
  border: 1px solid rgba(255, 255, 255, .96);
  border-radius: 13px;
  color: var(--ka-nav-icon-blue);
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, .98) 0 16%, rgba(255, 255, 255, 0) 42%),
    linear-gradient(145deg, rgba(255, 255, 255, .98) 0%, rgba(236, 248, 255, .95) 39%, rgba(203, 229, 255, .88) 73%, rgba(158, 168, 248, .28) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 1px 0 0 rgba(255, 255, 255, .72),
    inset -1px -1px 0 rgba(93, 137, 233, .17),
    0 4px 7px rgba(72, 111, 190, .12),
    0 11px 23px rgba(52, 120, 246, .18);
  transition: transform 160ms ease, color 160ms ease, box-shadow 160ms ease;
}
.ka-nav-glass-icon::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 28px;
  height: 13px;
  left: 2px;
  top: 1px;
  border-radius: 999px;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, .88), rgba(255, 255, 255, .08));
  filter: blur(.2px);
  transform: rotate(-18deg);
}
.ka-nav-glass-icon::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 7px;
  right: 6px;
  bottom: 3px;
  height: 7px;
  border-radius: 50%;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(55, 128, 246, .08), rgba(88, 194, 255, .35), rgba(161, 168, 246, .2));
  filter: blur(3px);
}
.ka-nav-glass-icon svg {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  overflow: visible;
  filter: drop-shadow(0 2px 2px rgba(39, 89, 190, .2));
}
.ka-nav-glass-icon__asset {
  position: relative;
  z-index: 2;
  width: 39px;
  height: 39px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 3px 3px rgba(40, 91, 190, .2));
  transform: translateZ(0);
}
.ka-nav-glass-icon__lens {
  stroke: rgba(255, 255, 255, .86);
  stroke-width: .7px;
  filter: drop-shadow(0 1.2px 1px rgba(59, 100, 189, .16));
}
.ka-nav-glass-icon__depth {
  opacity: .56;
  transform: translate(1.05px, 1.25px);
}
.ka-nav-glass-icon__depth > * {
  stroke-width: 2.9px !important;
}
.ka-nav-glass-icon__body {
  opacity: 1;
  filter: drop-shadow(0 1px 1px rgba(45, 91, 205, .16));
}
.ka-nav-glass-icon__body > * {
  stroke-width: 2.22px !important;
}
.ka-nav-glass-icon__shine {
  opacity: .66;
  transform: translate(-.34px, -.42px);
}
.ka-nav-glass-icon__shine > * {
  stroke-width: .72px !important;
}
.ka-market-nav-panel button:hover .ka-nav-glass-icon,
.ka-header-search-results button:hover .ka-nav-glass-icon,
.ka-header-reminder-list button:hover .ka-nav-glass-icon,
.ka-header-user-links button:hover .ka-nav-glass-icon {
  color: var(--ka-nav-icon-sky);
  box-shadow: inset 0 1px 0 #fff, inset 1px 0 0 rgba(255, 255, 255, .8), inset -1px -1px 0 rgba(89, 136, 235, .22), 0 6px 10px rgba(68, 111, 196, .14), 0 14px 28px rgba(52, 120, 246, .25);
  transform: translateY(-1px);
}

.ka-market-nav-panel { width: 338px; }
.ka-market-nav-panel.is-wide { width: 650px; column-gap: 8px; }
.ka-market-nav-panel button { min-height: 68px; gap: 14px; padding: 12px 14px; }
.ka-market-nav-panel button:focus-visible .ka-nav-glass-icon,
.ka-header-search-results button:focus-visible .ka-nav-glass-icon,
.ka-header-reminder-list button:focus-visible .ka-nav-glass-icon,
.ka-header-user-links button:focus-visible .ka-nav-glass-icon {
  outline: 2px solid var(--ka-nav-icon-blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .ka-market-home *,
  .ka-market-home *::before,
  .ka-market-home *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .ka-nav-glass-icon {
    transform: none !important;
    transition-property: color, box-shadow !important;
  }
}

/* Shared learner header: functional search, reminders and account center. */
.ka-market-header-inner {
  grid-template-columns: 235px minmax(0, 1fr) 328px;
}
.ka-market-brand {
  width: 194px;
  height: 64px;
  border-radius: 14px;
}
.ka-market-logo-image {
  width: 194px;
  height: 64px;
}
.ka-market-user-tools {
  position: relative;
  gap: 8px;
}
.ka-header-tool-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.ka-market-tool {
  width: 42px;
  height: 42px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: #465672;
  background: transparent;
  font-size: 21px;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.ka-market-tool:hover,
.ka-market-tool.active {
  color: #216bf0;
  border-color: #dbe8fb;
  background: #f1f6ff;
  box-shadow: 0 8px 20px rgba(48, 99, 183, .09);
  transform: translateY(-1px);
}
.ka-market-user {
  min-width: 188px;
  height: 56px;
  margin-left: 4px;
  padding: 6px 11px 6px 7px;
  gap: 11px;
  border: 1px solid #e4ebf5;
  border-radius: 18px;
  color: #263650;
  background: #fff;
  box-shadow: 0 5px 16px rgba(56, 84, 128, .045);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.ka-market-user:hover,
.ka-market-user.active {
  border-color: #cadbf4;
  background: #f8fbff;
  box-shadow: 0 10px 25px rgba(52, 92, 160, .09);
  transform: translateY(-1px);
}
.ka-market-user > .ka-market-user-avatar {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid #dbe7f5;
  border-radius: 50%;
  color: #fff;
  background: #edf5ff;
  box-shadow: 0 3px 10px rgba(54, 91, 144, .12);
}
.ka-market-user-avatar img { width: 100%; height: 100%; display: block; object-fit: cover; }
.ka-market-user-avatar b { color: #fff; font-size: 15px; font-weight: 800; }
.ka-market-user > .ka-market-user-copy {
  width: auto;
  height: auto;
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  overflow: visible;
  border-radius: 0;
  color: inherit;
  background: transparent;
  box-shadow: none;
  font-weight: inherit;
  line-height: 1.2;
}
.ka-market-user-copy strong { max-width: 96px; overflow: hidden; color: #20324f; font-size: 15px; font-weight: 750; letter-spacing: .01em; text-overflow: ellipsis; white-space: nowrap; }
.ka-market-user-copy small { margin-top: 4px; display: inline-flex; align-items: center; gap: 6px; color: #8795a9; font-size: 11px; font-weight: 550; letter-spacing: 0; white-space: nowrap; }
.ka-market-user-copy small i { width: 6px; height: 6px; display: inline-block; flex: 0 0 auto; border-radius: 50%; background: #18ad86; box-shadow: 0 0 0 3px rgba(24, 173, 134, .1); }
.ka-market-user > i { margin-left: 2px; padding-left: 9px; border-left: 1px solid #edf1f6; color: #8c99ad; font-size: 17px; transition: color .2s ease, transform .2s ease; }
.ka-market-user.active > i { color: #3475e8; transform: rotate(180deg); }

.ka-header-popover {
  position: absolute;
  top: calc(100% + 15px);
  right: 0;
  z-index: 160;
  overflow: hidden;
  border: 1px solid rgba(134, 161, 204, .22);
  border-radius: 22px;
  color: #263650;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 26px 64px rgba(43, 67, 108, .18);
  backdrop-filter: blur(24px) saturate(1.2);
  animation: kaHeaderPanelIn .18s ease-out;
}
@keyframes kaHeaderPanelIn {
  from { opacity: 0; transform: translateY(-7px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.ka-header-search-panel { width: 430px; padding: 20px; }
.ka-header-reminder-panel { width: 390px; padding: 20px 20px 0; }
.ka-header-user-panel { width: 352px; padding: 12px; }
.ka-header-popover-head { display: flex; align-items: center; gap: 12px; }
.ka-header-popover-head > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 13px;
  color: #2873ed;
  background: #edf5ff;
  font-size: 21px;
}
.ka-header-popover-head > div { min-width: 0; display: flex; flex: 1; flex-direction: column; }
.ka-header-popover-head strong { color: #1e3153; font-size: 16px; font-weight: 800; }
.ka-header-popover-head small { margin-top: 4px; color: #8794a8; font-size: 11px; }
.ka-header-popover-head > button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 10px;
  color: #8a97aa;
  background: transparent;
  font-size: 21px;
  cursor: pointer;
}
.ka-header-popover-head > button:hover { color: #2b6ddd; background: #f1f6ff; }
.ka-header-search-box {
  height: 48px;
  margin-top: 18px;
  padding: 0 12px 0 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #dce6f5;
  border-radius: 14px;
  background: #f8fbff;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.ka-header-search-box:focus-within { border-color: #91b7f4; background: #fff; box-shadow: 0 0 0 4px rgba(47, 113, 233, .09); }
.ka-header-search-box > i { color: #7c8ba3; font-size: 19px; }
.ka-header-search-box input { min-width: 0; flex: 1; border: 0; outline: 0; color: #243552; background: transparent; font-size: 13px; }
.ka-header-search-box input::placeholder { color: #a0abbb; }
.ka-header-search-box kbd { padding: 3px 7px; border: 1px solid #dde5f0; border-radius: 6px; color: #8a96a8; background: #fff; font-family: inherit; font-size: 9px; box-shadow: 0 1px 2px rgba(34, 55, 91, .05); }
.ka-header-panel-caption { margin: 17px 0 8px; color: #8a97aa; font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.ka-header-search-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.ka-header-search-results button,
.ka-header-reminder-list button,
.ka-header-user-links button {
  min-width: 0;
  display: flex;
  align-items: center;
  border: 0;
  color: #263650;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}
.ka-header-search-results button { min-height: 72px; padding: 10px; gap: 9px; border-radius: 13px; }
.ka-header-search-results button:hover { background: #f2f7ff; }
.ka-header-search-results button > i:first-child,
.ka-header-reminder-list button > i:first-child,
.ka-header-user-links button > i:first-child {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 11px;
  color: #2f76eb;
  background: #eaf3ff;
  font-size: 18px;
}
.ka-header-search-results button > span:not(.ka-nav-glass-icon),
.ka-header-reminder-list button > span:not(.ka-nav-glass-icon),
.ka-header-user-links button > span:not(.ka-nav-glass-icon) { min-width: 0; display: flex; flex: 1; flex-direction: column; }
.ka-header-search-results strong,
.ka-header-reminder-list strong,
.ka-header-user-links strong { overflow: hidden; color: #263650; font-size: 12px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.ka-header-search-results small,
.ka-header-reminder-list small,
.ka-header-user-links small { margin-top: 4px; overflow: hidden; color: #8b97a9; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.ka-header-search-results button > i:last-child,
.ka-header-reminder-list button > i:last-child,
.ka-header-user-links button > i:last-child { color: #a2aec0; font-size: 17px; }
.ka-header-empty { min-height: 144px; display: flex; align-items: center; justify-content: center; flex-direction: column; color: #8c99ac; text-align: center; }
.ka-header-empty > i { margin-bottom: 8px; color: #91ace0; font-size: 30px; }
.ka-header-empty strong { color: #52627c; font-size: 13px; }
.ka-header-empty small { margin-top: 5px; font-size: 10px; }

.ka-header-reminder-list { margin-top: 15px; }
.ka-header-reminder-list button { width: 100%; min-height: 66px; padding: 9px 8px; gap: 11px; border-top: 1px solid #edf1f7; border-radius: 11px; }
.ka-header-reminder-list button:hover { background: #f4f8ff; }
.ka-header-reminder-list button:nth-child(2) > i:first-child { color: #12a68d; background: #e9faf5; }
.ka-header-reminder-list button:nth-child(3) > i:first-child { color: #7b5ce5; background: #f1edff; }
.ka-header-panel-footer { width: calc(100% + 40px); height: 48px; margin: 8px -20px 0; border: 0; border-top: 1px solid #e8eef7; color: #2e70df; background: #f8fbff; font-size: 12px; font-weight: 750; cursor: pointer; }
.ka-header-panel-footer:hover { background: #eef5ff; }
.ka-header-panel-footer i { margin-left: 5px; font-size: 17px; vertical-align: -2px; }

.ka-header-user-summary { min-height: 78px; padding: 12px; display: flex; align-items: center; gap: 12px; border-radius: 16px; background: linear-gradient(135deg, #edf5ff, #f4f1ff); }
.ka-header-user-summary .ka-market-user-avatar { width: 48px; height: 48px; overflow: hidden; border: 1px solid #d9e6f5; border-radius: 50%; background: #edf5ff; }
.ka-header-user-summary > div { min-width: 0; display: flex; flex-direction: column; }
.ka-header-user-summary strong { overflow: hidden; color: #1d3153; font-size: 15px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
.ka-header-user-summary small { margin-top: 5px; color: #7d8ca3; font-size: 10px; }
.ka-header-user-links { padding: 7px 0; }
.ka-header-user-links button { width: 100%; min-height: 58px; padding: 8px 10px; gap: 11px; border-radius: 12px; }
.ka-header-user-links button:hover { background: #f3f7ff; }
.ka-header-user-links button:nth-child(2) > i:first-child { color: #13a489; background: #eaf9f4; }
.ka-header-user-links button:nth-child(3) > i:first-child { color: #775be0; background: #f1edff; }
.ka-header-logout { width: 100%; height: 43px; display: flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-top: 1px solid #e9eef6; color: #8a5360; background: #fff; font-size: 12px; font-weight: 700; cursor: pointer; }
.ka-header-logout:hover { color: #d14c60; background: #fff7f8; }

@media (max-width: 1280px) {
  .ka-market-header-inner { grid-template-columns: 205px minmax(0, 1fr) 250px; gap: 12px; }
  .ka-market-brand,
  .ka-market-logo-image { width: 184px; height: 62px; }
  .ka-market-nav-item > button { padding: 0 10px; font-size: 13px; }
  .ka-market-user { min-width: 144px; }
  .ka-market-user-copy strong { max-width: 66px; }
}

@media (max-width: 980px) {
  .ka-market-header-inner { grid-template-columns: 168px minmax(0, 1fr) auto; gap: 9px; }
  .ka-market-brand,
  .ka-market-logo-image { width: 160px; height: 58px; }
  .ka-market-user { min-width: 48px; width: 48px; padding: 4px; display: flex; }
  .ka-market-user > .ka-market-user-copy,
  .ka-market-user > i { display: none; }
}

@media (max-width: 760px) {
  .ka-market-header-inner { grid-template-columns: 132px minmax(0, 1fr) auto; gap: 6px; }
  .ka-market-brand,
  .ka-market-logo-image { width: 128px; height: 52px; }
  .ka-market-nav { display: none; }
  .ka-market-user-tools { gap: 3px; }
  .ka-market-user-tools .ka-header-tool-wrap .ka-market-tool:first-child { display: inline-flex; }
  .ka-market-tool { width: 38px; height: 38px; border-radius: 11px; }
  .ka-market-user { min-width: 42px; width: 42px; height: 42px; margin-left: 0; padding: 3px; border-radius: 12px; }
  .ka-market-user > .ka-market-user-avatar { width: 34px; height: 34px; border-radius: 10px; }
  .ka-header-popover { position: fixed; top: 70px; left: 12px; right: 12px; width: auto; max-height: calc(100vh - 84px); overflow-y: auto; }
  .ka-header-search-panel { padding: 16px; }
  .ka-header-search-results { grid-template-columns: 1fr; }
  .ka-header-search-box kbd { display: none; }
  .ka-header-reminder-panel { padding: 16px 16px 0; }
  .ka-header-panel-footer { width: calc(100% + 32px); margin-left: -16px; margin-right: -16px; }
  .ka-header-user-panel { padding: 10px; }
}