:root {
    --learning-canvas: #f4f8f5;
    --learning-surface: #ffffff;
    --learning-surface-soft: #f8fbf9;
    --learning-ink: #263028;
    --learning-muted: #6d7d74;
    --learning-border: #dfe7e1;
    --learning-border-strong: #c8d8ce;
    --learning-green: #1f6f5b;
    --learning-green-strong: #173d34;
    --learning-green-soft: #e8f4ed;
    --learning-gold: #f6ca54;
    --learning-gold-soft: #fff6d9;
    --learning-red: #c5483d;
    --learning-shadow: 0 10px 26px rgba(38, 48, 40, 0.07);
}

html {
    background: var(--learning-canvas);
}

body.learning-app,
body.learning-detail {
    min-width: 0;
    margin: 0;
    color: var(--learning-ink);
    background: var(--learning-canvas);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.learning-app *,
.learning-detail * {
    box-sizing: border-box;
}

.learning-app a,
.learning-detail a {
    color: inherit;
}

.learning-app a:focus-visible,
.learning-detail a:focus-visible,
.learning-app button:focus-visible,
.learning-detail button:focus-visible {
    outline: 3px solid rgba(31, 111, 91, 0.3);
    outline-offset: 3px;
}

.learning-topbar {
    position: sticky;
    z-index: 20;
    top: 0;
    min-height: 48px;
    border-bottom: 1px solid rgba(38, 48, 40, 0.1);
    background: rgba(255, 253, 248, 0.94);
    box-shadow: 0 5px 18px rgba(38, 48, 40, 0.045);
    backdrop-filter: blur(12px);
}

.learning-topbar-inner {
    display: flex;
    align-items: center;
    width: min(1240px, calc(100% - 40px));
    min-height: 48px;
    margin: 0 auto;
    gap: 16px;
}

.learning-back,
.learning-account-link {
    display: inline-grid;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    place-items: center;
    border-radius: 7px;
    color: #496057;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.learning-back:hover,
.learning-account-link:hover {
    color: var(--learning-green-strong);
    background: var(--learning-gold-soft);
    transform: translateY(-1px);
}

.learning-brand {
    display: inline-flex;
    align-items: center;
    min-width: 214px;
    gap: 10px;
    text-decoration: none;
}

.learning-brand-mark {
    display: grid;
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    place-items: center;
    overflow: hidden;
}

.learning-brand-mark img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.learning-brand-copy {
    display: grid;
    min-width: 0;
    gap: 1px;
}

.learning-brand-copy strong {
    color: var(--learning-green-strong);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
}

.learning-brand-copy span {
    color: #817967;
    font-size: 11px;
    line-height: 1.25;
}

.learning-primary-nav {
    display: flex;
    align-self: stretch;
    align-items: stretch;
    gap: 4px;
}

.learning-primary-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 11px;
    color: #617168;
    font-size: 13px;
    font-weight: 400;
    line-height: 1;
    text-decoration: none;
    transition: color 160ms ease, background-color 160ms ease;
}

.learning-primary-nav a::after {
    position: absolute;
    right: 11px;
    bottom: 0;
    left: 11px;
    height: 2px;
    background: transparent;
    content: "";
}

.learning-primary-nav a i {
    margin-right: 6px;
    font-size: 13px;
}

.learning-primary-nav a:hover {
    color: var(--learning-green-strong);
    background: rgba(246, 202, 84, 0.13);
}

.learning-primary-nav a.is-active {
    color: var(--learning-green-strong);
    font-weight: 800;
}

.learning-primary-nav a.is-active::after {
    background: var(--learning-green);
}

.learning-topbar-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

/* The desktop channel stays beneath the shared campus navigation. */
.learning-channelbar {
    position: sticky;
    z-index: 100;
    top: 48px;
    border-bottom: 1px solid rgba(31, 111, 91, 0.14);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 5px 14px rgba(31, 61, 52, 0.04);
    backdrop-filter: blur(12px);
}

.learning-channelbar-inner {
    display: flex;
    align-items: center;
    width: min(1240px, calc(100% - 40px));
    min-height: 44px;
    margin: 0 auto;
    gap: 10px;
}

.learning-channel-title {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    padding-right: 14px;
    border-right: 1px solid var(--learning-border);
    color: var(--learning-green-strong);
    font-size: 14px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
}

.learning-channel-title i {
    color: var(--learning-green);
    font-size: 14px;
}

.learning-channel-links {
    display: flex;
    align-self: stretch;
    align-items: stretch;
    gap: 3px;
    margin-left: auto;
}

.learning-channel-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    color: #607269;
    font-size: 13px;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    transition: color 160ms ease, background-color 160ms ease;
}

.learning-channel-links a::after {
    position: absolute;
    right: 12px;
    bottom: 0;
    left: 12px;
    height: 2px;
    background: transparent;
    content: "";
}

.learning-channel-links a:hover {
    color: var(--learning-green-strong);
    background: var(--learning-green-soft);
}

.learning-channel-links a.is-active {
    color: var(--learning-green-strong);
    font-weight: 800;
}

.learning-channel-links a.is-active::after {
    background: var(--learning-green);
}

.learning-channelbar .learning-category-tabs {
    align-self: stretch;
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    border-bottom: 0;
    scrollbar-width: none;
}

.learning-channelbar .learning-category-tabs::-webkit-scrollbar {
    display: none;
}

.learning-channelbar .learning-category-tabs a {
    min-height: 44px;
    flex: 0 0 auto;
    padding: 0 11px;
    white-space: nowrap;
}

.learning-channelbar .learning-category-tabs a::after {
    right: 11px;
    bottom: 0;
    left: 11px;
}

.learning-channelbar .learning-category-tabs a > i {
    font-size: 11px;
}

.learning-account-link img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.learning-main {
    width: min(1240px, calc(100% - 40px));
    min-height: calc(100dvh - 92px);
    margin: 0 auto;
    padding: 24px 0 68px;
}

.learning-home {
    padding-top: 22px;
}

.learning-home-tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-home-tools .learning-search {
    width: min(360px, 100%);
    flex-basis: 360px;
}

.learning-breadcrumb {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 9px;
    color: var(--learning-muted);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.3;
}

.learning-breadcrumb a {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 7px;
    color: var(--learning-green-strong);
    text-decoration: none;
}

.learning-breadcrumb a:hover {
    color: var(--learning-green);
}

.learning-breadcrumb a i {
    color: var(--learning-green);
    font-size: 13px;
}

.learning-breadcrumb-separator {
    color: #9aaba1;
    font-size: 11px;
}

.learning-detail-breadcrumb {
    width: 100%;
    margin-bottom: 18px;
}

.learning-detail-breadcrumb > span[aria-current="page"] {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-home-intro {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    min-height: 176px;
    padding: 38px 0 30px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 8px;
    color: var(--learning-green);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.4;
}

.learning-home-intro h1,
.learning-page-heading h1,
.learning-detail-copy h1 {
    margin: 0;
    color: var(--learning-ink);
    font-size: 30px;
    font-weight: 750;
    line-height: 1.25;
}

.learning-home-intro > div > p:not(.learning-eyebrow),
.learning-page-heading > p:not(.learning-eyebrow),
.learning-detail-copy > p {
    max-width: 640px;
    margin: 10px 0 0;
    color: var(--learning-muted);
    font-size: 15px;
    line-height: 1.65;
}

.learning-search {
    display: flex;
    align-items: stretch;
    width: min(430px, 100%);
    flex: 0 1 430px;
    gap: 8px;
    margin: 0;
}

.learning-search-field {
    position: relative;
    min-width: 0;
    flex: 1 1 auto;
}

.learning-search-field i {
    position: absolute;
    top: 50%;
    left: 14px;
    color: #829088;
    font-size: 14px;
    transform: translateY(-50%);
}

.learning-search-field input {
    width: 100%;
    height: 42px;
    box-sizing: border-box;
    padding: 0 13px 0 39px;
    border: 1px solid var(--learning-border-strong);
    border-radius: 7px;
    color: var(--learning-ink);
    background: var(--learning-surface);
    font: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.learning-search-field input:focus {
    border-color: rgba(31, 111, 91, 0.72);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(31, 111, 91, 0.12);
}

.learning-button,
.learning-button:visited {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid #efc24b;
    border-radius: 7px;
    color: #3c331a;
    background: var(--learning-gold);
    box-shadow: none;
    font: inherit;
    font-size: 14px;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.learning-button i {
    margin-right: 6px;
}

.learning-search .learning-button {
    flex: 0 0 auto;
    width: 42px;
    min-width: 42px;
    padding: 0;
}

.learning-search .learning-button i {
    margin: 0;
}

.learning-search .learning-button span {
    display: none;
}

.learning-button:hover {
    border-color: #edbd40;
    background: #ffd96d;
    transform: translateY(-1px);
}

.learning-button:active {
    transform: translateY(0);
}

.learning-button.is-secondary,
.learning-button.is-secondary:visited {
    border-color: var(--learning-border-strong);
    color: var(--learning-green-strong);
    background: var(--learning-surface);
}

.learning-button.is-secondary:hover {
    border-color: #adc5b8;
    background: var(--learning-green-soft);
}

.learning-button.is-gold,
.learning-button.is-gold:visited {
    border-color: #efc24b;
    color: #3c331a;
    background: var(--learning-gold);
}

.learning-home-layout {
    display: grid;
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 32px;
    margin-top: 28px;
}

.learning-category-tabs {
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 0;
    padding: 0;
    border-bottom: 1px solid var(--learning-border);
}

.learning-category-tabs a {
    position: relative;
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 6px;
    padding: 0 14px;
    border: 0;
    color: #52675d;
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
}

.learning-category-tabs a::after {
    position: absolute;
    right: 14px;
    bottom: -1px;
    left: 14px;
    height: 2px;
    background: transparent;
    content: "";
}

.learning-category-tabs a:hover {
    color: var(--learning-green-strong);
    background: rgba(31, 111, 91, 0.055);
}

.learning-category-tabs a.is-active {
    color: var(--learning-green-strong);
    font-weight: 800;
}

.learning-category-tabs a.is-active::after {
    background: var(--learning-green);
}

.learning-category-tabs a > i {
    color: var(--learning-green);
    font-size: 12px;
}

.learning-category-panel {
    min-width: 0;
    padding-right: 20px;
    border-right: 1px solid var(--learning-border);
}

.learning-category-panel h2,
.learning-section-heading h2,
.learning-section-heading h3,
.learning-detail-section h2 {
    margin: 0;
    color: var(--learning-ink);
    font-size: 20px;
    font-weight: 750;
    line-height: 1.35;
}

.learning-category-panel > p {
    margin: 5px 0 13px;
    color: var(--learning-muted);
    font-size: 13px;
    line-height: 1.5;
}

.learning-category-nav {
    display: grid;
    gap: 4px;
}

.learning-category-nav a {
    display: flex;
    align-items: center;
    min-width: 0;
    min-height: 40px;
    padding: 0 8px;
    border-radius: 6px;
    color: #4d6056;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.3;
    text-decoration: none;
    transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.learning-category-nav a:hover {
    color: var(--learning-green-strong);
    background: var(--learning-green-soft);
    transform: translateX(2px);
}

.learning-category-nav .learning-category-icon,
.learning-category-nav img {
    display: grid;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    place-items: center;
    margin-right: 9px;
    border: 1px solid rgba(31, 111, 91, 0.14);
    border-radius: 6px;
    color: var(--learning-green);
    background: #f1f7f3;
    font-size: 11px;
    object-fit: cover;
}

.learning-category-nav a > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-category-nav .learning-all-categories {
    margin-top: 7px;
    border-top: 1px solid var(--learning-border);
    border-radius: 0;
    color: var(--learning-green-strong);
    font-size: 13px;
    font-weight: 750;
}

.learning-category-nav .learning-all-categories i {
    margin-left: auto;
    font-size: 12px;
}

.learning-home-content {
    min-width: 0;
    margin-top: 24px;
}

.learning-section {
    margin-top: 30px;
}

.learning-home-content .learning-section {
    margin-top: 0;
}

.learning-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 14px;
}

.learning-section-heading p {
    margin: 5px 0 0;
    color: var(--learning-muted);
    font-size: 13px;
    line-height: 1.5;
}

.learning-text-link {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    color: var(--learning-green-strong);
    font-size: 13px;
    font-weight: 750;
    text-decoration: none;
    white-space: nowrap;
}

.learning-text-link i {
    margin-left: 6px;
    font-size: 11px;
    transition: transform 160ms ease;
}

.learning-text-link:hover {
    color: var(--learning-green);
}

.learning-text-link:hover i {
    transform: translateX(2px);
}

.learning-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.learning-card {
    display: flex;
    min-width: 0;
    min-height: 116px;
    border: 1px solid var(--learning-border);
    border-radius: 8px;
    background: var(--learning-surface);
    box-shadow: 0 2px 0 rgba(38, 48, 40, 0.015);
    overflow: hidden;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.learning-card:hover {
    border-color: #b6cbbf;
    box-shadow: var(--learning-shadow);
    transform: translateY(-2px);
}

.learning-card > a {
    display: grid;
    width: 100%;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
    color: inherit;
    text-decoration: none;
}

.learning-card-media {
    position: relative;
    display: block;
    width: 86px;
    height: 86px;
    overflow: hidden;
    border-radius: 6px;
    background: #eaf0ec;
}

.learning-card-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 180ms ease;
}

.learning-card:hover .learning-card-media img {
    transform: scale(1.035);
}

.learning-card-badge {
    position: absolute;
    right: 4px;
    bottom: 4px;
    max-width: calc(100% - 8px);
    padding: 3px 5px;
    overflow: hidden;
    border-radius: 4px;
    color: #264a3f;
    background: rgba(255, 253, 248, 0.92);
    font-size: 10px;
    font-weight: 750;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-card-body {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 1px 0;
}

.learning-card-title {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--learning-ink);
    font-size: 15px;
    font-weight: 750;
    line-height: 1.38;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.learning-card-description {
    display: -webkit-box;
    margin: 5px 0 0;
    overflow: hidden;
    color: var(--learning-muted);
    font-size: 12px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.learning-card-category {
    display: inline-flex;
    max-width: 100%;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    overflow: hidden;
    color: var(--learning-green);
    font-size: 11px;
    font-weight: 750;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-card-category i {
    flex: 0 0 auto;
    font-size: 10px;
}

.learning-card-meta {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    margin-top: auto;
    padding-top: 7px;
    color: #7a8881;
    font-size: 11px;
    line-height: 1.25;
}

.learning-card-meta span {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.learning-card-meta > span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-card-meta i {
    margin-right: 4px;
    color: #bd9250;
}

.learning-creator-identity {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 5px;
    vertical-align: -3px;
    object-fit: contain;
}

.learning-creator-identity-badge {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    margin: 0 0 0 3px;
    padding: 1px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    vertical-align: -5px;
    cursor: pointer;
}

.learning-creator-identity-badge .learning-creator-identity {
    margin: 0;
}

.learning-creator-identity-tooltip {
    position: absolute;
    bottom: calc(100% + 7px);
    left: 50%;
    z-index: 20;
    padding: 5px 8px;
    border: 1px solid var(--learning-border);
    border-radius: 6px;
    color: var(--learning-green-strong);
    background: var(--learning-surface);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    box-shadow: var(--learning-shadow);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 4px);
    transition: opacity .16s ease, transform .16s ease;
}

.learning-creator-identity-tooltip::after {
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 8px;
    height: 8px;
    border-right: 1px solid var(--learning-border);
    border-bottom: 1px solid var(--learning-border);
    background: var(--learning-surface);
    content: "";
    transform: translateX(-50%) rotate(45deg);
}

.learning-creator-identity-badge:hover .learning-creator-identity-tooltip,
.learning-creator-identity-badge:focus-visible .learning-creator-identity-tooltip,
.learning-creator-identity-badge.is-open .learning-creator-identity-tooltip {
    opacity: 1;
    transform: translate(-50%, 0);
}

.learning-creator-identity-badge:focus-visible {
    outline: 2px solid var(--learning-green);
    outline-offset: 2px;
}

.learning-card-cta {
    margin-left: auto;
    color: var(--learning-green);
    font-weight: 750;
    white-space: nowrap;
}

.learning-card-cta i {
    margin: 0 0 0 4px;
    color: inherit;
}

.learning-page-heading {
    padding: 2px 0 18px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-page-heading .learning-search {
    margin-top: 18px;
}

.learning-page-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    gap: 16px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-filter-tabs,
.learning-mine-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.learning-filter-tabs button,
.learning-mine-tabs a {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 9px;
    border: 1px solid transparent;
    border-radius: 6px;
    color: #63736a;
    background: transparent;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.learning-filter-tabs button i,
.learning-mine-tabs a i {
    margin-right: 6px;
    font-size: 12px;
}

.learning-filter-tabs button:hover,
.learning-mine-tabs a:hover {
    color: var(--learning-green-strong);
    background: var(--learning-green-soft);
}

.learning-filter-tabs button.is-active,
.learning-mine-tabs a.is-active {
    border-color: #bfdbc9;
    color: var(--learning-green-strong);
    background: var(--learning-green-soft);
}

.learning-list-status,
.learning-empty-state {
    display: grid;
    min-height: 174px;
    place-items: center;
    padding: 28px;
    border: 1px dashed var(--learning-border-strong);
    border-radius: 8px;
    color: var(--learning-muted);
    background: var(--learning-surface-soft);
    text-align: center;
}

.learning-grid > .learning-list-status,
.learning-grid > .learning-empty-state {
    grid-column: 1 / -1;
}

.learning-empty-state > div,
.learning-list-status > div {
    max-width: 350px;
}

.learning-empty-state i,
.learning-list-status i {
    display: block;
    margin-bottom: 11px;
    color: var(--learning-green);
    font-size: 23px;
}

.learning-empty-state strong,
.learning-list-status strong {
    display: block;
    color: var(--learning-ink);
    font-size: 15px;
}

.learning-empty-state p,
.learning-list-status p {
    margin: 7px 0 0;
    font-size: 13px;
    line-height: 1.55;
}

.learning-empty-state .learning-button {
    margin-top: 16px;
}

.learning-load-more-wrap {
    display: flex;
    justify-content: center;
    margin: 24px 0 0;
}

.learning-load-more[disabled] {
    opacity: 0.56;
    cursor: wait;
}

.learning-category-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.learning-category-card {
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr);
    align-items: center;
    min-height: 72px;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--learning-border);
    border-radius: 8px;
    background: var(--learning-surface);
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.learning-category-card:hover {
    border-color: #b6cbbf;
    box-shadow: var(--learning-shadow);
    transform: translateY(-2px);
}

.learning-category-card img,
.learning-category-card .learning-category-icon {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border: 1px solid rgba(31, 111, 91, 0.13);
    border-radius: 7px;
    color: var(--learning-green);
    background: #edf6f0;
    font-size: 18px;
    object-fit: cover;
}

.learning-category-card strong {
    display: block;
    overflow: hidden;
    color: var(--learning-ink);
    font-size: 15px;
    font-weight: 750;
    line-height: 1.35;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-category-card span span {
    display: block;
    margin-top: 4px;
    color: var(--learning-muted);
    font-size: 12px;
    line-height: 1.35;
}

.learning-ranking-list,
.learning-score-list {
    overflow: hidden;
    border: 1px solid var(--learning-border);
    border-radius: 8px;
    background: var(--learning-surface);
}

.learning-ranking-row,
.learning-score-row {
    display: grid;
    grid-template-columns: 38px 50px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    min-height: 74px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-score-row {
    grid-template-columns: 38px minmax(0, 1fr);
}

.learning-ranking-row:last-child,
.learning-score-row:last-child {
    border-bottom: 0;
}

.learning-ranking-position {
    color: #77877e;
    font-size: 14px;
    font-weight: 800;
    text-align: center;
}

.learning-ranking-position.rank-is-image {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
}

.learning-ranking-position .rank-badge {
    width: 34px;
    height: 34px;
    border-radius: 0;
    object-fit: contain;
    background: transparent;
}

.learning-ranking-row:nth-child(1) .learning-ranking-position,
.learning-ranking-row:nth-child(2) .learning-ranking-position,
.learning-ranking-row:nth-child(3) .learning-ranking-position {
    color: #aa7424;
}

.learning-ranking-row img,
.learning-score-row img {
    width: 50px;
    height: 50px;
    border-radius: 7px;
    object-fit: cover;
    background: #edf3ef;
}

.learning-score-user {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

a.learning-score-user:hover strong {
    color: var(--learning-green-strong);
}

a.learning-score-user:focus-visible {
    outline: 3px solid rgba(31, 111, 91, 0.32);
    outline-offset: 3px;
}

.learning-ranking-copy,
.learning-score-copy {
    min-width: 0;
}

.learning-ranking-copy strong,
.learning-score-copy strong {
    display: block;
    overflow: hidden;
    color: var(--learning-ink);
    font-size: 14px;
    font-weight: 750;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-ranking-copy span,
.learning-score-copy span {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    color: var(--learning-muted);
    font-size: 12px;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-ranking-action,
.learning-score-value {
    color: var(--learning-green-strong);
    font-size: 12px;
    font-weight: 750;
    text-align: right;
    white-space: nowrap;
}

.learning-return-strip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 28px;
    margin: 0 0 18px;
    color: var(--learning-muted);
    font-size: 13px;
}

.learning-return-strip i {
    color: var(--learning-green);
}

.learning-detail-hero {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: center;
    gap: 28px;
    padding: 0 0 28px;
    border-bottom: 1px solid var(--learning-border);
}

.learning-detail-cover {
    width: 190px;
    aspect-ratio: 1 / 1;
    margin: 0;
    overflow: hidden;
    border-radius: 8px;
    background: #eaf0ec;
}

.learning-detail-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.learning-detail-copy {
    min-width: 0;
}

.learning-detail-copy h1 {
    font-size: 28px;
}

.learning-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 14px 0 0;
}

.learning-detail-tags > span {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 8px;
    border: 1px solid var(--learning-border);
    border-radius: 5px;
    color: #64736b;
    background: var(--learning-surface);
    font-size: 12px;
    font-weight: 650;
    line-height: 1;
}

.learning-detail-tags > span i {
    margin-right: 5px;
    color: #b78c45;
}

.learning-detail-tags a {
    color: var(--learning-green-strong);
    text-decoration: none;
}

.learning-detail-tags a:hover {
    text-decoration: underline;
}

.learning-detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    min-width: 0;
    gap: 8px;
    margin-top: 18px;
}

.learning-detail-actions .learning-button {
    min-height: 40px;
    min-width: 96px;
}

.learning-detail-actions .learning-button.is-gold {
    min-width: 124px;
}

.learning-detail-actions .learning-detail-action {
    min-width: 0;
    gap: 8px;
    padding: 0 13px;
    border-color: #d6e3dc;
    color: #426458;
    background: #f9fbfa;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
    font-weight: 700;
}

.learning-detail-actions .learning-detail-action i {
    margin: 0;
    color: #397b67;
    font-size: 15px;
}

.learning-detail-actions .learning-detail-action:hover {
    border-color: #a9cbbb;
    color: #1e604e;
    background: #eff7f2;
}

.learning-detail-actions .learning-detail-action:focus-visible {
    outline: 3px solid rgba(31, 111, 91, 0.22);
    outline-offset: 2px;
}

.learning-detail-actions .learning-detail-action.is-pressed {
    border-color: #b9d7c4;
    color: var(--learning-green-strong);
    background: var(--learning-green-soft);
}

.learning-detail-like-count {
    display: inline-flex;
    align-items: center;
    min-width: 22px;
    height: 20px;
    box-sizing: border-box;
    margin-left: 1px;
    padding-left: 8px;
    border-left: 1px solid #cbdcd3;
    color: #5d7167;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.learning-detail-action.is-pressed .learning-detail-like-count {
    border-left-color: #b8d7c4;
    color: var(--learning-green-strong);
}

.learning-detail-actions .learning-detail-action:disabled {
    cursor: wait;
    opacity: 0.66;
}

.learning-detail-section {
    margin-top: 32px;
}

.learning-detail-section h2 {
    margin-bottom: 12px;
}

.learning-description {
    max-width: 820px;
    color: #465950;
    font-size: 15px;
    line-height: 1.75;
    overflow-wrap: anywhere;
}

.learning-description p {
    margin: 0;
}

.learning-stop-page {
    display: grid;
    min-height: 100dvh;
    grid-template-rows: auto auto 1fr;
}

.learning-stop-main {
    display: grid;
    width: min(620px, calc(100% - 40px));
    place-items: center;
    margin: 0 auto;
    padding: 48px 0;
}

.learning-stop-panel {
    width: 100%;
    padding: 38px;
    border: 1px solid var(--learning-border);
    border-radius: 8px;
    background: var(--learning-surface);
    box-shadow: var(--learning-shadow);
    text-align: center;
}

.learning-stop-panel .learning-stop-icon {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    margin: 0 auto 16px;
    border-radius: 8px;
    color: var(--learning-red);
    background: #fff0ee;
    font-size: 23px;
}

.learning-stop-panel h1 {
    margin: 0;
    color: var(--learning-ink);
    font-size: 24px;
    line-height: 1.35;
}

.learning-stop-panel p {
    margin: 10px auto 0;
    color: var(--learning-muted);
    font-size: 14px;
    line-height: 1.65;
}

.learning-stop-panel .learning-button {
    margin-top: 22px;
}

.learning-bottom-nav {
    display: none;
}

/* The shared topbar input cannot reliably resolve a percentage height inside this flex item. */
.learning-app .market-topbar-site-search input {
    height: 30px;
    min-height: 30px;
    line-height: 20px;
    font-weight: 750;
}

@media (max-width: 1180px) {
    .learning-app .market-topbar-inner {
        gap: 12px;
        padding-right: 16px;
        padding-left: 16px;
    }

    .learning-app .market-brand {
        min-width: 188px;
        gap: 9px;
    }

    .learning-app .market-nav {
        gap: 1px;
    }

    .learning-app .market-nav > a,
    .learning-app .market-topbar-class-trigger {
        gap: 5px;
        padding-right: 8px;
        padding-left: 8px;
        font-size: 12px;
        white-space: nowrap;
    }

    .learning-app .market-topbar-site-search {
        width: 184px;
        flex-basis: 184px;
    }

    .learning-app .market-topbar-actions.is-compact {
        min-width: auto;
    }

    .learning-app .market-topbar-login {
        padding-right: 13px;
        padding-left: 13px;
    }
}

@media (max-width: 1100px) {
    .learning-topbar-inner,
    .learning-channelbar-inner,
    .learning-main {
        width: min(100% - 32px, 1240px);
    }

    .learning-brand {
        min-width: 194px;
    }

    .learning-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .learning-category-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 840px) {
    .learning-brand {
        min-width: 0;
    }

    .learning-brand-copy span,
    .learning-primary-nav a i {
        display: none;
    }

    .learning-primary-nav a {
        padding: 0 9px;
    }

    .learning-home-intro {
        align-items: flex-start;
        flex-direction: column;
        min-height: 0;
        gap: 20px;
    }

    .learning-home-tools {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
    }

    .learning-home-tools .learning-search {
        width: min(100%, 520px);
        flex-basis: auto;
    }

    .learning-home-intro {
        padding-top: 30px;
    }

    .learning-page-heading {
        padding-top: 4px;
    }

    .learning-search {
        width: min(100%, 520px);
        flex-basis: auto;
    }

    .learning-category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .learning-detail-hero {
        grid-template-columns: 150px minmax(0, 1fr);
    }

    .learning-detail-cover {
        width: 150px;
    }

    .learning-detail-actions {
        flex-direction: row;
    }

    .learning-detail-actions .learning-button {
        flex: 1 1 96px;
    }
}

@media (max-width: 620px) {
    .learning-topbar-inner,
    .learning-channelbar-inner,
    .learning-main {
        width: min(100% - 24px, 640px);
    }

    .learning-primary-nav {
        display: none;
    }

    .learning-channelbar-inner {
        gap: 7px;
    }

    .learning-channel-title {
        padding-right: 8px;
    }

    .learning-channel-links {
        overflow-x: auto;
        scrollbar-width: none;
    }

    .learning-channel-links::-webkit-scrollbar {
        display: none;
    }

    .learning-channel-links a {
        padding: 0 9px;
        white-space: nowrap;
    }

    .learning-topbar-tools {
        margin-left: auto;
    }

    .learning-main {
        padding-top: 24px;
    }

    .learning-home-intro h1,
    .learning-page-heading h1,
    .learning-detail-copy h1 {
        font-size: 25px;
    }

    .learning-category-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .learning-grid,
    .learning-category-grid {
        grid-template-columns: 1fr;
    }

    .learning-detail-hero {
        grid-template-columns: 96px minmax(0, 1fr);
        gap: 16px;
    }

    .learning-detail-cover {
        width: 96px;
    }

    .learning-detail-copy > p {
        font-size: 13px;
    }

    .learning-detail-tags {
        margin-top: 10px;
    }

    .learning-ranking-row,
    .learning-score-row {
        grid-template-columns: 28px 44px minmax(0, 1fr);
        gap: 9px;
        padding: 9px 10px;
    }

    .learning-ranking-row img,
    .learning-score-row img {
        width: 44px;
        height: 44px;
    }

    .learning-score-row {
        grid-template-columns: 28px minmax(0, 1fr);
    }

    .learning-ranking-action,
    .learning-score-value {
        grid-column: 3;
        text-align: left;
    }

    .learning-stop-main {
        width: min(100% - 24px, 620px);
        padding: 28px 0;
    }

    .learning-stop-panel {
        padding: 28px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .learning-app *,
    .learning-detail * {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}