.course-system {
    --course-canvas: var(--brand-cream, #fff9f5);
    --course-paper: var(--brand-paper, #fffdfb);
    --course-soft: var(--brand-primary-soft, #f2eff8);
    --course-ink: var(--brand-ink, #262224);
    --course-muted: var(--brand-muted, #716a6d);
    --course-red: var(--brand-primary, #6e52b5);
    --course-red-deep: var(--brand-primary-deep, #4d386f);
    --course-red-bright: var(--brand-primary-bright, #8a72c2);
    --course-coral: var(--brand-coral, #a28cf2);
    --course-line: var(--brand-line, #ebe3df);
    --course-content-width: 1040px;
    --about-orange: var(--course-red);
    --about-orange-deep: var(--course-red-deep);
    --about-orange-soft: var(--course-soft);
    background: var(--course-canvas);
    color: var(--course-ink);
}

.course-system,
.course-system * {
    letter-spacing: 0;
}

.course-system { overflow: visible !important; overflow-x: clip !important; }

.course-system__hero {
    position: relative;
    overflow: hidden;
    padding: 142px 0 0;
    background: var(--course-canvas);
}

.course-system__hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    background: rgba(var(--brand-primary-rgb), .12);
    content: "";
}

.course-system__hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
    align-items: center;
    min-height: 462px;
    gap: 56px;
}

.course-system__hero-copy {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

.course-system__eyebrow,
.course-system__section-head > p,
.course-system__service-copy > p,
.course-system .about-v5__section-title > div > p {
    margin: 0 0 12px;
    color: var(--course-red-bright);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0;
    text-transform: uppercase;
}

.course-system__hero h1 {
    margin: 0;
    color: #fff;
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0;
}

.course-system__hero h1 span { color: #fff; }
.course-system__hero h1 em {
    color: #ffb2a8;
    font-style: normal;
}

/* Ten-reason interaction follows the active purple theme. This final cascade
   override removes the legacy pink/red hover wash left by the older layout. */
.course-system__why .course-system__reason-grid article:hover {
    background: linear-gradient(90deg, rgba(var(--brand-primary-rgb), .12), rgba(var(--brand-primary-rgb), .025) 72%, transparent) !important;
    box-shadow: inset 3px 0 0 rgba(var(--brand-primary-rgb), .54), 0 10px 24px rgba(var(--brand-primary-rgb), .08);
}

.course-system__why .course-system__reason-grid article:hover b {
    background: var(--course-red);
    color: #fff;
}

.course-system__hero-typed {
    display: inline-block;
    min-width: 8.8em;
    white-space: nowrap;
}

.course-system__lead {
    max-width: 590px;
    margin: 22px 0 0;
    color: var(--course-muted);
    font-size: 18px;
    line-height: 1.85;
}

.course-system__hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 25px;
}

.course-system__hero-tags span,
.course-system__orbit {
    border: 1px solid rgba(var(--brand-primary-rgb), .18);
    border-radius: 999px;
    background: rgba(255, 253, 251, .92);
    color: var(--course-red);
    font-size: 13px;
    font-weight: 700;
}

.course-system__hero-tags span {
    padding: 8px 13px;
}

.course-system__hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}

.course-system__hero-actions a,
.course-system__reason-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--course-red-bright);
    border-radius: 6px;
    color: var(--course-red) !important;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
}

.course-system__hero-actions a {
    min-width: 142px;
    padding: 13px 20px;
}

.course-system__hero-actions a:hover,
.course-system__reason-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(134, 25, 35, .16);
}

.course-system__hero-actions a.is-primary,
.course-system__reason-cta {
    background: var(--course-red);
    color: #fff !important;
}

.course-system__hero-actions a.is-primary:hover,
.course-system__reason-cta:hover {
    background: var(--course-red-deep);
}

.course-system__hero-visual {
    position: relative;
    display: flex;
    min-height: 430px;
    align-items: flex-end;
    justify-content: center;
}

.course-system__hero-visual::before {
    position: absolute;
    inset: 58px 9% 0;
    border: 1px solid rgba(var(--brand-primary-rgb), .10);
    border-radius: 8px 8px 0 0;
    background: var(--course-soft);
    content: "";
}

.course-system__hero-visual img {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    height: 420px;
    object-fit: contain;
    object-position: center bottom;
    filter: drop-shadow(0 24px 18px rgba(87, 43, 32, .13));
    animation: courseMascotFloat 4.8s ease-in-out infinite;
}

.course-system__orbit {
    position: absolute;
    z-index: 2;
    padding: 9px 13px;
    box-shadow: 0 8px 20px rgba(91, 45, 38, .09);
    font-size: 12px;
}

.orbit-one { top: 112px; left: 12%; }
.orbit-two { top: 68px; right: 10%; }
.orbit-three { right: 4%; bottom: 92px; }

.course-system__proof {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 10px;
    padding: 25px 30px;
    border-top: 1px solid rgba(var(--brand-primary-rgb), .12);
    background: rgba(255, 253, 251, .78);
}

.course-system__proof > div {
    padding: 0 24px;
    border-right: 1px solid var(--course-line);
}

.course-system__proof > div:last-child { border-right: 0; }

.course-system__proof strong {
    display: flex;
    align-items: baseline;
    gap: 3px;
    color: var(--course-red);
    font-size: 30px;
    line-height: 1;
}

.course-system__proof strong small { font-size: 13px; }

.course-system__proof p {
    margin: 8px 0 0;
    color: var(--course-muted);
    font-size: 12px;
    line-height: 1.5;
}

.course-system__chapters .about-v5__reading-progress {
    display: block;
    right: auto;
    bottom: -1px;
    left: 0;
    height: 2px;
    background: var(--course-red-bright);
    transition: width .2s ease;
}

.course-system .about-v5__chapter-inner a:hover,
.course-system .about-v5__chapter-inner a.is-active {
    color: var(--course-red);
}

.course-system .about-v5__chapter-inner a::after {
    background: var(--course-red-bright);
}

.course-system .about-v5__chapter-inner { position: relative; justify-content: center; padding-right: 170px; padding-left: 170px; }
.course-system .about-v5__chapter-inner a:not(.course-system__chapter-cta) { flex: 0 0 auto; }
.course-system .about-v5__chapter-inner .course-system__chapter-cta { position: absolute; right: 0; }

.course-system__section {
    position: relative;
    padding: 104px 0;
    border-top: 1px solid rgba(var(--brand-primary-rgb), .10);
    scroll-margin-top: 156px;
}

.course-system__chapters + .course-system__section {
    padding-top: 108px;
}

.course-system__why,
.course-system__path {
    background: var(--course-paper);
}

.course-system__methods,
.course-system__architecture {
    background: var(--course-canvas);
}

.course-system__service {
    background: var(--course-soft);
}

.course-system__section-head {
    max-width: 760px;
    margin: 0 auto 46px;
    text-align: center;
}

.course-system__why .course-system__section-head { max-width: 940px; }

.course-system__section-head h2,
.course-system__service-copy h2,
.course-system .about-v5__section-title h2 {
    margin: 0;
    color: var(--course-ink);
    font-size: 40px;
    font-weight: 800;
    line-height: 1.24;
    letter-spacing: 0;
}

.course-system__section-head h2 em {
    color: var(--course-red);
    font-style: normal;
}

.course-system__section-head h2::after,
.course-system .about-v5__section-title h2::after {
    display: block;
    width: 42px;
    height: 3px;
    margin: 18px auto 0;
    background: var(--course-red-bright);
    content: "";
}

.course-system__section-head > span,
.course-system .about-v5__section-title div > span {
    display: block;
    max-width: 680px;
    margin: 18px auto 0;
    color: var(--course-muted);
    font-size: 15px;
    line-height: 1.8;
}

.course-system__section-head > span strong {
    color: var(--course-ink);
    font-weight: 700;
}

/* Ten reasons use one editorial list instead of ten separate cards. */
.course-system__reason-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: minmax(116px, 1fr);
    max-width: var(--course-content-width);
    margin: 0 auto;
    border-top: 1px solid var(--course-line);
}

.course-system__reason-grid article {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 116px;
    align-items: center;
    gap: 18px;
    padding: 22px 26px;
    border-bottom: 1px solid var(--course-line);
    background: transparent;
    transition: background .22s ease, transform .22s ease;
}

.course-system__reason-grid article:nth-child(odd) {
    border-right: 1px solid var(--course-line);
}

.course-system__reason-grid article:hover {
    z-index: 1;
    background: rgba(250, 236, 236, .56);
    transform: translateY(-2px);
}

.course-system__reason-grid article b {
    display: grid;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    place-items: center;
    border-radius: 50%;
    background: var(--course-soft);
    color: var(--course-red);
    font-size: 14px;
    font-weight: 800;
}

.course-system__reason-grid article p {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 5px;
    margin: 0;
}

.course-system__reason-grid article strong {
    color: var(--course-ink);
    font-size: 17px;
    font-weight: 750;
    line-height: 1.5;
}

.course-system__reason-grid article:nth-child(2) strong,
.course-system__reason-grid article:nth-child(3) strong,
.course-system__reason-grid article:nth-child(5) strong,
.course-system__reason-grid article:nth-child(9) strong {
    align-self: flex-start;
    color: var(--course-red-deep);
    background: linear-gradient(transparent 70%, rgba(var(--brand-accent-rgb), .18) 70%);
}

.course-system__reason-grid article span {
    color: var(--course-muted);
    font-size: 13px;
    line-height: 1.65;
}

.course-system__reason-cta {
    width: min(360px, 100%);
    min-height: 54px;
    margin: 42px auto 0;
    padding: 0 24px;
    font-size: 16px;
}

.course-system__reason-cta span {
    margin-left: 10px;
    font-size: 22px;
    line-height: 1;
}

/* The method panel keeps a stable stage while the eight methods switch. */
.course-system__method-shell {
    display: grid;
    grid-template-columns: 252px minmax(0, 1fr);
    height: 448px;
    max-width: var(--course-content-width);
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--course-line);
    border-radius: 8px;
    background: var(--course-paper);
    box-shadow: 0 16px 36px rgba(75, 45, 40, .075);
}

.course-system__method-tabs {
    display: flex;
    min-width: 0;
    padding: 14px 0;
    flex-direction: column;
    border-right: 1px solid var(--course-line);
    background: #f8f1ef;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-primary-rgb), .22) transparent;
}

.course-system__method-tabs button {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 52px;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 9px 24px;
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    color: #83787b;
    text-align: left;
    cursor: pointer;
    font: inherit;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.course-system__method-tabs button b {
    color: #b29fa2;
    font-size: 11px;
    font-weight: 800;
}

.course-system__method-tabs button span {
    min-width: 0;
    font-size: 14px;
    line-height: 1.35;
    white-space: normal;
}

.course-system__method-tabs button:hover {
    background: rgba(255, 253, 251, .72);
    color: var(--course-red);
}

.course-system__method-tabs button.is-active {
    border-left-color: var(--course-red);
    background: var(--course-paper);
    color: var(--course-red);
    font-weight: 750;
}

.course-system__method-tabs button.is-active b { color: var(--course-red-bright); }

.course-system__method-panels {
    position: relative;
    min-width: 0;
    background: var(--course-paper);
}

.course-system__method-panel {
    position: absolute;
    inset: 0;
    display: flex;
    min-width: 0;
    height: 100%;
    padding: 44px 52px 40px;
    flex-direction: column;
    justify-content: center;
    isolation: isolate;
    overflow: auto;
    animation: courseMethodIn .3s ease both;
}

.course-system__method-panel[hidden] { display: none !important; }

.course-system__method-panel::before {
    position: absolute;
    z-index: -1;
    top: 18px;
    right: 30px;
    color: rgba(var(--brand-primary-rgb), .065);
    content: attr(data-course-method-panel);
    font-family: Georgia, serif;
    font-size: 142px;
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
}

.course-system__method-panel header {
    position: relative;
    margin-bottom: 26px;
}

.course-system__method-panel header small {
    color: var(--course-red-bright);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
}

.course-system__method-panel header h3 {
    margin: 9px 0 0;
    color: var(--course-ink);
    font-size: 34px;
    line-height: 1.2;
    letter-spacing: 0;
}

.course-system__method-panel header h3::after {
    display: block;
    width: 42px;
    height: 3px;
    margin-top: 14px;
    background: var(--course-red-bright);
    content: "";
}

.course-system__method-copy {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: center;
    gap: 0 28px;
}

.course-system__method-copy > div {
    min-width: 0;
    min-height: 76px;
    padding: 15px 0;
    border-top: 1px solid var(--course-line);
}

.course-system__method-copy > div:nth-of-type(3) { grid-column: 1 / -1; }

.course-system__method-copy > div strong {
    display: block;
    color: var(--course-ink);
    font-size: 16px;
    line-height: 1.4;
}

.course-system__method-copy > div span,
.course-system__method-copy > p {
    display: block;
    margin: 7px 0 0;
    color: #4b4244;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.65;
}

.course-system__method-copy > p {
    grid-column: 1 / -1;
    margin: 0 0 10px;
    padding: 11px 0 11px 16px;
    border-left: 3px solid var(--course-red-bright);
    color: #5d4f52;
}

.course-system__method-copy > .course-system__method-stats {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-column: 1 / -1;
    min-height: 0;
    padding: 14px 0 0;
    border-top: 1px solid var(--course-line);
}

.course-system__method-stats b {
    display: flex;
    min-height: 72px;
    padding: 8px 14px;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--course-line);
    color: var(--course-red);
    font-size: 25px;
    line-height: 1;
}

.course-system__method-stats b:first-child { padding-left: 0; }
.course-system__method-stats b:last-child { border-right: 0; }
.course-system__method-stats b.is-accent { color: var(--course-red-deep); }

.course-system__method-stats b small {
    margin-top: 7px;
    color: var(--course-muted);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.3;
}

.course-system__method-highlight {
    padding-left: 16px !important;
    border-top-color: var(--course-red-bright) !important;
    border-left: 3px solid var(--course-red-bright);
}

.course-system__method-highlight strong { color: var(--course-red) !important; }

.course-system__level-shell {
    display: grid;
    grid-template-columns: 224px minmax(0, 1fr);
    width: 100%;
    max-width: var(--course-content-width);
    height: 440px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--course-line);
    border-radius: 8px;
    background: var(--course-paper);
    box-shadow: 0 18px 40px rgba(88, 47, 39, .07);
}

.course-system__level-tabs {
    display: flex;
    min-height: 0;
    padding: 16px 0;
    flex-direction: column;
    border-right: 1px solid var(--course-line);
    background: #f8f1ef;
}

.course-system__level-tabs button {
    display: flex;
    min-height: 0;
    flex: 1 1 0;
    align-items: center;
    gap: 12px;
    padding: 8px 24px;
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    color: #83787b;
    text-align: left;
    cursor: pointer;
    font: inherit;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.course-system__level-tabs button b {
    color: var(--course-red);
    font-size: 12px;
}

.course-system__level-tabs button span { font-size: 13px; }

.course-system__level-tabs button:hover,
.course-system__level-tabs button.is-active {
    border-left-color: var(--course-red-bright);
    background: var(--course-paper);
    color: var(--course-red);
    font-weight: 700;
}

.course-system__level-panel {
    padding: 50px 56px;
    background: var(--course-paper);
}

.course-system__level-panel > div p {
    margin: 0;
    color: var(--course-red-bright);
    font-size: 11px;
    font-weight: 800;
}

.course-system__level-panel h3 {
    margin: 12px 0 10px;
    color: var(--course-ink);
    font-size: 32px;
    line-height: 1.3;
}

.course-system__level-panel > div strong {
    display: inline-flex;
    padding: 7px 13px;
    border-radius: 4px;
    background: var(--course-soft);
    color: var(--course-red);
    font-size: 13px;
}

.course-system__level-panel dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 38px;
    margin: 48px 0 0;
}

.course-system__level-panel dl div {
    padding-top: 14px;
    border-top: 1px solid var(--course-line);
}

.course-system__level-panel dt {
    color: var(--course-ink);
    font-size: 14px;
    font-weight: 800;
}

.course-system__level-panel dd {
    margin: 8px 0 0;
    color: var(--course-muted);
    font-size: 13px;
    line-height: 1.72;
}

.course-system__sequence {
    display: flex;
    max-width: 960px;
    margin: 0 auto 32px;
    padding: 18px 20px;
    align-items: center;
    justify-content: center;
    gap: 18px;
    border-top: 1px solid var(--course-line);
    border-bottom: 1px solid var(--course-line);
}

.course-system__sequence span {
    display: inline-flex;
    min-width: 92px;
    justify-content: center;
    padding: 11px 15px;
    border-radius: 5px;
    background: var(--course-soft);
    color: var(--course-red);
    font-size: 14px;
    font-weight: 800;
}

.course-system__sequence i {
    color: var(--course-red-bright);
    font-style: normal;
}

.course-system__architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: var(--course-content-width);
    margin: 0 auto;
    gap: 16px;
}

.course-system__architecture-grid article {
    position: relative;
    min-height: 310px;
    padding: 28px 27px;
    border: 1px solid var(--course-line);
    border-radius: 8px;
    background: var(--course-paper);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.course-system__architecture-grid article:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--brand-primary-rgb), .34);
    box-shadow: 0 18px 34px rgba(86, 42, 37, .09);
}

.course-system__architecture-grid article.is-featured {
    border-color: var(--course-red-bright);
    box-shadow: 0 14px 28px rgba(var(--brand-primary-rgb), .08);
}

.course-system__architecture-grid em {
    color: var(--course-red-bright);
    font-size: 10px;
    font-style: normal;
    font-weight: 800;
}

.course-system__architecture-grid b {
    position: absolute;
    top: 22px;
    right: 24px;
    color: rgba(var(--brand-primary-rgb), .20);
    font-family: Georgia, serif;
    font-size: 44px;
}

.course-system__architecture-grid h3 {
    margin: 25px 0 10px;
    color: var(--course-ink);
    font-size: 22px;
    line-height: 1.35;
}

.course-system__architecture-grid p {
    min-height: 66px;
    margin: 0;
    color: var(--course-muted);
    font-size: 13px;
    line-height: 1.75;
}

.course-system__architecture-grid ul {
    display: flex;
    margin: 19px 0 0;
    padding: 15px 0 0;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--course-line);
    list-style: none;
}

.course-system__architecture-grid li {
    color: #4d4547;
    font-size: 12px;
    line-height: 1.55;
}

.course-system__architecture-grid li::before {
    margin-right: 8px;
    color: var(--course-red-bright);
    content: "•";
}

.course-system__service-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    min-height: 420px;
    align-items: center;
    gap: 76px;
}

.course-system__service-copy {
    position: relative;
    min-height: 340px;
    padding: 36px 0;
}

.course-system__service-copy h2 {
    max-width: 500px;
}

.course-system__service-copy > span {
    display: block;
    max-width: 470px;
    margin-top: 20px;
    color: var(--course-muted);
    font-size: 15px;
    line-height: 1.8;
}

.course-system__service-copy img {
    position: absolute;
    right: -26px;
    bottom: -16px;
    width: 180px;
    height: 180px;
    object-fit: contain;
    filter: drop-shadow(0 14px 10px rgba(85, 44, 36, .12));
    animation: courseMascotFloat 5.4s ease-in-out infinite reverse;
}

.course-system__service-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    counter-reset: course-service;
    gap: 14px;
}

.course-system__service-list article {
    position: relative;
    min-height: 154px;
    padding: 25px 56px 24px 24px;
    border: 1px solid rgba(var(--brand-primary-rgb), .16);
    border-radius: 8px;
    background: rgba(255, 253, 251, .78);
    counter-increment: course-service;
}

.course-system__service-list article::after {
    position: absolute;
    top: 23px;
    right: 22px;
    color: rgba(var(--brand-primary-rgb), .24);
    content: "0" counter(course-service);
    font-family: Georgia, serif;
    font-size: 24px;
    font-weight: 700;
}

.course-system__service-list b {
    color: var(--course-red);
    font-size: 17px;
}

.course-system__service-list p {
    margin: 13px 0 0;
    color: var(--course-muted);
    font-size: 13px;
    line-height: 1.75;
}

/* Restored lower sections inherit the same headings and three-surface rhythm. */
.course-system #about-courses[hidden] { display: none !important; }

.course-system #about-students,
.course-system #about-videos,
.course-system .about-v5__channels {
    padding: 104px 0;
    border-top: 1px solid rgba(var(--brand-primary-rgb), .10);
}

.course-system #about-students { background: var(--course-paper); }
.course-system #about-videos { background: var(--course-canvas); }
.course-system .about-v5__channels { background: var(--course-paper); }

.course-system .about-v5__section-title {
    display: block;
    max-width: 760px;
    margin: 0 auto 44px;
    text-align: center;
}

.course-system .about-v5__section-title > div { display: block; }

.course-system .about-v5__section-title h2 {
    display: block;
    padding: 0;
    border: 0;
    background: none;
}

.course-system .about-v5__gallery-head {
    margin-top: 0;
    margin-bottom: 20px;
}

.course-system .about-v5__gallery-head p {
    color: var(--course-muted);
    font-size: 12px;
}

.course-system .about-v5__gallery-head p strong,
.course-system .about-v5__video-controls p span:first-child {
    color: var(--course-red-bright);
}

.course-system .about-v5__gallery-head button:hover,
.course-system .about-v5__video-controls button:hover {
    border-color: var(--course-red);
    background: var(--course-red);
    color: #fff;
}

.course-system .about-v5__video-stage { margin-top: 0; }
.course-system .about-v5__video-tabs { justify-content: center; margin-bottom: 34px; }
.course-system .about-v5__video-tabs button.is-active { color: var(--course-red); }
.course-system .about-v5__video-tabs button.is-active::after { background: var(--course-red-bright); }

.course-system .about-v5__qr-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 220px));
    justify-content: center;
    gap: 72px;
}

.course-system .about-v5__qr-list > div {
    display: flex;
    min-height: 0;
    padding: 0;
    flex-direction: column;
    align-items: center;
    border: 0;
    background: transparent;
    box-shadow: none;
    text-align: center;
}

.course-system .about-v5__qr-frame {
    display: block;
    width: 220px;
    height: 220px;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--course-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(38, 45, 51, .08);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.course-system .about-v5__qr-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-system .about-v5__qr-list > div:hover .about-v5__qr-frame {
    transform: translateY(-4px);
    border-color: rgba(var(--brand-primary-rgb), .32);
    box-shadow: 0 18px 38px rgba(134, 25, 35, .13);
}

.course-system .about-v5__qr-list p { margin: 18px 0 0; }

.course-system .about-v5__qr-list p strong,
.course-system .about-v5__qr-list p span { display: block; }

.course-system .about-v5__qr-list p strong {
    color: var(--course-ink);
    font-size: 16px;
    line-height: 1.45;
}

.course-system .about-v5__qr-list p span {
    margin-top: 7px;
    color: var(--course-muted);
    font-size: 13px;
    line-height: 1.65;
}

.course-system__video-placeholder { min-height: 180px; }

.course-system button:focus-visible,
.course-system a:focus-visible {
    outline: 2px solid var(--course-red-bright);
    outline-offset: 3px;
}

@keyframes courseMascotFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes courseMethodIn {
    from { opacity: 0; transform: translateY(7px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1100px) {
    .course-system__hero-grid { gap: 30px; }
    .course-system__hero h1 { font-size: 50px; }
    .course-system .about-v5__qr-list { gap: 42px; }
}

@media (max-width: 980px) {
    .course-system__hero-grid {
        grid-template-columns: 1fr;
        min-height: 0;
        gap: 14px;
    }

    .course-system__hero-copy {
        max-width: 720px;
        margin: 0 auto;
        text-align: center;
    }

    .course-system__hero h1 { font-size: 46px; }
    .course-system__hero-tags,
    .course-system__hero-actions { justify-content: center; }
    .course-system__hero-visual { min-height: 340px; }
    .course-system__hero-visual img { height: 330px; }
    .course-system__proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .course-system__proof > div:nth-child(2) { border-right: 0; }
    .course-system__proof > div:nth-child(3),
    .course-system__proof > div:nth-child(4) { padding-top: 18px; border-top: 1px solid var(--course-line); }

    .course-system__section,
    .course-system #about-students,
    .course-system #about-videos,
    .course-system .about-v5__channels { padding: 84px 0; }

    .course-system__chapters + .course-system__section { padding-top: 88px; }
    .course-system__section { scroll-margin-top: 124px; }
    .course-system__section-head h2,
    .course-system__service-copy h2,
    .course-system .about-v5__section-title h2 { font-size: 36px; }

    .course-system__method-shell {
        grid-template-columns: 220px minmax(0, 1fr);
        height: 460px;
    }

    .course-system__method-tabs button { padding-right: 16px; padding-left: 18px; }
    .course-system__method-panel { padding: 40px 38px 36px; }

    .course-system__level-shell { grid-template-columns: 190px minmax(0, 1fr); }
    .course-system__level-tabs button { padding-right: 16px; padding-left: 18px; }

    .course-system__architecture-grid {
        grid-template-columns: 1fr;
        max-width: 660px;
    }

    .course-system__architecture-grid article { min-height: 0; }
    .course-system__architecture-grid p { min-height: 0; }

    .course-system__service-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .course-system__service-copy { min-height: 270px; }
    .course-system__service-list { max-width: 720px; margin: 0 auto; }
}

/* v30 Hero slogan lock: keep the two-color headline as one visual line. */
.course-system__hero-copy > #course-hero-title {
    display: flex !important;
    align-items: baseline !important;
    flex-wrap: nowrap !important;
    width: max-content !important;
    max-width: 100% !important;
    margin: 0 !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    letter-spacing: -.025em !important;
}
.course-system__hero-copy > #course-hero-title span,
.course-system__hero-copy > #course-hero-title em {
    display: inline-block !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
    vertical-align: baseline !important;
}
.course-system__hero-copy > #course-hero-title em { margin-left: .18em !important; }
.course-system__hero-copy > #course-hero-title + .course-system__lead { margin-top: 22px !important; }
.course-system__hero-copy > .course-system__eyebrow { margin-bottom: 16px !important; }
.course-system__hero-copy > #course-hero-title + .course-system__lead {
    max-width: 610px !important;
    margin-top: 16px !important;
    line-height: 1.7 !important;
}
.course-system__hero-conversion {
    width: min(258px, 100%) !important;
    margin: 16px 0 0 !important;
}
.course-system__hero-copy > .course-system__hero-tags { margin-top: 14px !important; }
.course-system__hero-conversion .course-system__reason-cta { width: 100% !important; }
@media (max-width: 980px) {
    .course-system__hero-copy > #course-hero-title { width: 100% !important; font-size: 42px !important; }
    .course-system__hero-copy > #course-hero-title + .course-system__lead { margin-top: 16px !important; }
    .course-system__hero-conversion { width: min(258px, 100%) !important; margin-top: 16px !important; }
    .course-system__hero-copy > .course-system__hero-tags { margin-top: 14px !important; }
}
@media (max-width: 640px) {
    .course-system__hero-copy > #course-hero-title { font-size: 30px !important; letter-spacing: -.035em !important; }
}
@media (max-width: 360px) {
    .course-system__hero-copy > #course-hero-title { font-size: 24px !important; }
}

/* v29 course consultation QR conversion popover. */
.course-system__reason-conversion {
    position: relative;
    z-index: 8;
    width: max-content;
    max-width: calc(100% - 36px);
    margin: 28px auto 0;
}
.course-system__reason-conversion .course-system__reason-cta { margin: 0 !important; }
.course-system__reason-conversion .course-system__reason-cta {
    appearance: none;
    -webkit-appearance: none;
    display: inline-flex !important;
    width: min(360px, 100%) !important;
    min-height: 54px !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 24px !important;
    border: 1px solid var(--course-red-deep) !important;
    border-radius: 6px !important;
    background: var(--course-red) !important;
    color: #fff !important;
    font: inherit !important;
    font-size: 16px !important;
    font-weight: 800 !important;
    line-height: 1 !important;
    text-align: center !important;
    text-decoration: none !important;
    cursor: pointer;
    box-shadow: none;
}
.course-system__reason-conversion .course-system__reason-cta:hover,
.course-system__reason-conversion .course-system__reason-cta:focus-visible {
    background: var(--course-red-deep) !important;
    color: #fff !important;
    box-shadow: 0 12px 24px rgba(134, 25, 35, .16);
    transform: translateY(-2px);
}
.course-system__consult-popover {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 16px);
    width: 286px;
    padding: 0;
    visibility: hidden;
    border: 1px solid rgba(var(--brand-primary-rgb), .14);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 18px 46px rgba(60, 24, 29, .14), 0 4px 12px rgba(60, 24, 29, .06);
    opacity: 0;
    transform: translate(-50%, 14px) scale(.97);
    transform-origin: 50% 100%;
    transition: opacity .38s cubic-bezier(.22, 1, .36, 1), transform .38s cubic-bezier(.22, 1, .36, 1), visibility .38s ease;
    pointer-events: none;
}
.course-system__consult-popover::after {
    position: absolute;
    left: 50%;
    bottom: -9px;
    width: 16px;
    height: 16px;
    border-right: 1px solid rgba(var(--brand-primary-rgb), .14);
    border-bottom: 1px solid rgba(var(--brand-primary-rgb), .14);
    background: #fff;
    content: "";
    transform: translateX(-50%) rotate(45deg);
}
.course-system__consult-popover > strong {
    display: flex;
    min-height: 54px;
    align-items: center;
    padding: 0 22px;
    border-left: 4px solid var(--course-red);
    border-radius: 16px 16px 0 0;
    background: linear-gradient(90deg, rgba(var(--brand-primary-rgb), .1), rgba(var(--brand-primary-rgb), .035));
    color: var(--course-red-deep);
    font-size: 15px;
    font-weight: 800;
}
.course-system__consult-popover > strong { display: none; }
.course-system__consult-popover > div {
    position: relative;
    z-index: 1;
    padding: 24px 28px 22px;
    text-align: center;
}
.course-system__consult-popover img {
    display: block;
    width: 188px;
    height: 188px;
    margin: 0 auto;
    padding: 8px;
    border: 1px solid rgba(var(--brand-primary-rgb), .18);
    border-radius: 8px;
    background: #fff;
    object-fit: contain;
}
.course-system__consult-popover p {
    margin: 15px 0 0;
    color: var(--course-red);
    font-size: 15px;
    font-weight: 800;
}
.course-system__reason-conversion:hover .course-system__consult-popover,
.course-system__reason-conversion:focus-within .course-system__consult-popover,
.course-system__reason-conversion.is-open .course-system__consult-popover {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
    pointer-events: auto;
}
@media (max-width: 640px) {
    .course-system__reason-conversion { width: min(100%, 340px); max-width: 100%; }
    .course-system__reason-conversion .course-system__reason-cta { width: 100%; }
    .course-system__consult-popover { width: min(286px, calc(100vw - 36px)); }
}

/* ============================================================
   Level path restoration (2026-08-11)
   Restore the original 01-10 progress rail. The later desktop-lock
   rules had unintentionally converted this component into a sidebar.
   ============================================================ */
@media (min-width: 981px) {
    .course-system__level-shell {
        display: block !important;
        width: min(var(--course-content-width), 100%) !important;
        max-width: 980px !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
        border: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
    }
    .course-system__level-route { display: flex !important; }
    .course-system__level-tabs {
        position: relative !important;
        display: grid !important;
        grid-template-columns: repeat(10, minmax(0, 1fr)) !important;
        min-height: 104px !important;
        padding: 12px 0 18px !important;
        overflow: visible !important;
        border: 0 !important;
        background: transparent !important;
    }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after {
        display: block !important;
        top: 31px !important;
        left: 5% !important;
        right: auto !important;
        height: 3px !important;
        transform: none !important;
    }
    .course-system__level-tabs::before {
        width: 90% !important;
        background: var(--course-line) !important;
    }
    .course-system__level-tabs::after {
        width: var(--level-progress, 0%) !important;
        background: linear-gradient(90deg, var(--course-red-bright), var(--course-red)) !important;
    }
    .course-system__level-tabs button,
    .course-system__level-tabs button:nth-child(n) {
        display: flex !important;
        width: auto !important;
        min-width: 0 !important;
        min-height: 76px !important;
        align-items: center !important;
        flex-direction: column !important;
        gap: 9px !important;
        padding: 0 3px !important;
        transform: none !important;
        border: 0 !important;
        background: transparent !important;
        text-align: center !important;
    }
    .course-system__level-tabs button b {
        width: 42px !important;
        height: 42px !important;
        flex: 0 0 42px !important;
        border: 2px solid var(--course-line) !important;
        border-radius: 50% !important;
        background: var(--course-paper) !important;
    }
    .course-system__level-tabs button.is-past b {
        border-color: rgba(var(--brand-primary-rgb), .35) !important;
        background: var(--course-soft) !important;
        color: var(--course-red) !important;
    }
    .course-system__level-tabs button.is-active b {
        border-color: var(--course-red) !important;
        background: var(--course-red) !important;
        color: #fff !important;
    }
    .course-system__level-tabs button span { font-size: 12px !important; }
    .course-system__level-panel {
        display: block !important;
        height: 320px !important;
        min-height: 320px !important;
        padding: 28px 190px 24px 36px !important;
    }
}

@media (max-width: 980px) {
    .course-system__level-route {
        display: flex !important;
        margin-bottom: 4px !important;
    }
    .course-system__level-tabs {
        position: relative !important;
        display: flex !important;
        width: 100% !important;
        min-height: 108px !important;
        padding: 12px 0 18px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        border: 0 !important;
        background: transparent !important;
        scroll-snap-type: x proximity;
    }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after {
        display: block !important;
        top: 31px !important;
        left: 44px !important;
        right: auto !important;
        height: 3px !important;
        transform: none !important;
    }
    .course-system__level-tabs::before { width: 792px !important; }
    .course-system__level-tabs::after { width: calc(var(--level-step, 0) * 88px) !important; }
    .course-system__level-tabs button,
    .course-system__level-tabs button:nth-child(n) {
        display: flex !important;
        width: 88px !important;
        min-width: 88px !important;
        min-height: 78px !important;
        align-items: center !important;
        flex-direction: column !important;
        gap: 9px !important;
        padding: 0 3px !important;
        transform: none !important;
        border: 0 !important;
        background: transparent !important;
        scroll-snap-align: center;
    }
    .course-system__level-tabs button b {
        width: 42px !important;
        height: 42px !important;
        flex: 0 0 42px !important;
        border-radius: 50% !important;
    }
    .course-system__level-tabs button span { font-size: 12px !important; }
    .course-system__level-panel {
        height: auto !important;
        min-height: 0 !important;
        padding: 28px 20px 100px !important;
        overflow: hidden !important;
    }
    .course-system__level-panel dl {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        margin-top: 24px !important;
        padding-right: 0 !important;
    }
}

/* Authoritative color roles: conversion and curriculum hierarchy follow the
   selected site theme; the homepage hero owns the signature red accent. */
.course-system .course-system__reason-cta {
    border-color: var(--brand-conversion, #7257b8) !important;
    background: var(--brand-conversion, #7257b8) !important;
    color: #fff !important;
    box-shadow: 0 10px 24px rgba(var(--brand-conversion-rgb, 114,87,184), .18) !important;
}

.course-system .course-system__reason-cta:hover,
.course-system .course-system__reason-cta:focus-visible {
    background: var(--brand-conversion-deep, #5b418f) !important;
    box-shadow: 0 14px 28px rgba(var(--brand-conversion-rgb, 114,87,184), .26) !important;
}

.course-system .course-system__method-tabs {
    background: color-mix(in srgb, var(--course-soft) 56%, #fff) !important;
}

@media (max-width: 800px) {
    .course-system .about-v5__qr-list {
        grid-template-columns: repeat(2, minmax(0, 210px));
        gap: 34px 24px;
    }
}

@media (max-width: 760px) {
    .course-system__reason-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: minmax(96px, auto);
    }

    .course-system__reason-grid article,
    .course-system__reason-grid article:nth-child(odd) {
        min-height: 96px;
        padding: 18px 16px;
        border-right: 0;
    }

    .course-system__reason-grid article strong { font-size: 16px; }

    .course-system__method-shell {
        grid-template-rows: 88px minmax(0, 1fr);
        grid-template-columns: 1fr;
        height: 620px;
    }

    .course-system__level-shell {
        height: auto;
        min-height: 440px;
        overflow: visible;
    }

    .course-system__method-tabs {
        flex-direction: row;
        padding: 0 8px;
        border-right: 0;
        border-bottom: 1px solid var(--course-line);
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
    }

    .course-system__method-tabs::-webkit-scrollbar { display: none; }

    .course-system__method-tabs button {
        display: flex;
        width: 122px;
        min-width: 122px;
        height: 88px;
        min-height: 0;
        padding: 10px 8px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        border-left: 0;
        border-bottom: 3px solid transparent;
        scroll-snap-align: start;
        text-align: center;
    }

    .course-system__method-tabs button.is-active { border-bottom-color: var(--course-red); }
    .course-system__method-tabs button span { font-size: 12px; line-height: 1.25; }
    .course-system__method-panel { padding: 30px 24px 26px; justify-content: flex-start; }
    .course-system__method-panel::before { top: 14px; right: 18px; font-size: 104px; }
    .course-system__method-panel header { margin-bottom: 20px; }
    .course-system__method-panel header h3 { font-size: 28px; }

    .course-system__method-copy {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .course-system__method-copy > div,
    .course-system__method-copy > div:nth-of-type(3) {
        grid-column: auto;
        min-height: 0;
        padding: 13px 0;
    }

    .course-system__method-copy > div strong { font-size: 15px; }
    .course-system__method-copy > div span,
    .course-system__method-copy > p { font-size: 13px; }

    .course-system__method-copy > .course-system__method-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding-top: 10px;
    }

    .course-system__method-stats b {
        min-height: 62px;
        padding: 9px 12px;
        border-bottom: 1px solid var(--course-line);
        font-size: 22px;
    }

    .course-system__method-stats b:nth-child(2) { border-right: 0; }
    .course-system__method-stats b:nth-child(3) { padding-left: 0; }
    .course-system__method-stats b:nth-child(n+3) { border-bottom: 0; }
}

/* The course stylesheet is loaded after the shared site header. Keep the
   header on the same desktop scale as the homepage even when page-level
   content containers define their own .w1200 width. */
@media (min-width: 981px) {
    body.page-course-system > .header .w1200 {
        width: 1200px !important;
        max-width: none !important;
    }
    body.page-course-system > .header .left .site-logo {
        width: 148px;
        height: 47px;
        flex-basis: 148px;
    }
    body.page-course-system > .header .left .site-logo__slice { height: 47px; }
    body.page-course-system > .header .left .site-logo__slice img {
        width: 148px !important;
        height: 46.5px !important;
    }
    body.page-course-system > .header .left .site-logo__mark { width: 66px; }
    body.page-course-system > .header .left .site-logo__word {
        top: 5px;
        left: 66px;
        width: 82px;
        height: 36px;
    }
    body.page-course-system > .header .left .site-logo__word img { left: -66px; }
}

/* Chapter navigation readability pass: larger labels with balanced spacing. */
.course-system__chapters .about-v5__chapter-inner {
    justify-content: center;
    gap: 46px;
    padding-right: 24px;
    padding-left: 24px;
}
.course-system__chapters .about-v5__chapter-inner a {
    padding: 20px 0 18px;
    color: var(--course-muted);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
}
.course-system__chapters .about-v5__chapter-inner a.is-active { color: var(--course-red); }

@media (max-width: 760px) {
    .course-system__chapters .about-v5__chapter-inner {
        justify-content: flex-start;
        gap: 24px;
        padding-right: 18px;
        padding-left: 18px;
    }
    .course-system__chapters .about-v5__chapter-inner a {
        padding: 16px 0 14px;
        font-size: 15px;
    }
}

/* Evidence tabs stay intentionally simple: classroom = video gallery;
   outcomes = a horizontal proof rail. Supporting copy remains available to
   screen readers but does not compete with the media on the visual surface. */
.course-system__classroom-stage { display: block; min-height: 0; background: var(--course-ink); }
.course-system__classroom-stage .course-system__evidence-media { min-height: 430px; }
.course-system__classroom-stage .course-system__classroom-rail { padding: 18px 22px 20px; background: var(--course-paper); }
.course-system__classroom-stage .course-system__evidence-copy,
.course-system__classroom-stage .course-system__classroom-steps,
.course-system__classroom-stage .course-system__asset-slot { display: none; }
.course-system__classroom-videos { margin: 0; padding: 0 0 2px; border: 0; }
.course-system__student-stage { display: block; min-height: 0; padding: 26px 30px 30px; }
.course-system__student-copy { max-width: 560px; margin-bottom: 22px; }
.course-system__student-gallery { display: flex; min-height: 252px; gap: 12px; overflow-x: auto; padding: 4px 2px 10px; align-items: stretch; }
.course-system__student-card,
.course-system__student-placeholder,
.course-system__student-gallery .course-system__student-card:nth-child(2),
.course-system__student-gallery .course-system__student-card:nth-child(3),
.course-system__student-gallery .course-system__student-placeholder { width: 210px; min-width: 210px; min-height: 242px; }
.course-system__student-card--featured { width: 270px; min-width: 270px; }
@media (max-width: 760px) {
    .course-system__classroom-stage .course-system__evidence-media { min-height: 255px; }
    .course-system__classroom-stage .course-system__classroom-rail { padding: 14px 14px 16px; }
    .course-system__student-stage { padding: 22px 16px 24px; }
    .course-system__student-gallery { min-height: 190px; }
    .course-system__student-card,
    .course-system__student-placeholder,
    .course-system__student-gallery .course-system__student-card:nth-child(2),
    .course-system__student-gallery .course-system__student-card:nth-child(3),
    .course-system__student-gallery .course-system__student-placeholder { width: 170px; min-width: 170px; min-height: 185px; }
    .course-system__student-card--featured { width: 220px; min-width: 220px; }
}

.course-system { overflow: visible !important; }

@media (max-width: 640px) {
    .course-system__hero { padding-top: 112px; }
    .course-system__hero-grid { width: calc(100% - 36px); }
    .course-system__hero h1 { font-size: 38px; }
    .course-system__lead { font-size: 15px; line-height: 1.75; }
    .course-system__hero-visual { min-height: 270px; }
    .course-system__hero-visual::before { inset: 40px 5% 0; }
    .course-system__hero-visual img { height: 270px; }
    .course-system__orbit { padding: 7px 10px; font-size: 11px; }
    .orbit-one { top: 52px; left: 4%; }
    .orbit-two { top: 20px; right: 4%; }
    .orbit-three { right: 1%; bottom: 44px; }

    .course-system__proof { width: 100%; padding: 18px 12px; row-gap: 18px; }
    .course-system__proof > div { padding: 0 12px; }
    .course-system__proof strong { font-size: 24px; }
    .course-system__proof p { font-size: 11px; }

    .course-system__section,
    .course-system #about-students,
    .course-system #about-videos,
    .course-system .about-v5__channels { padding: 64px 18px; }

    .course-system__chapters + .course-system__section { padding-top: 68px; }
    .course-system__section .w1200,
    .course-system #about-students .w1200,
    .course-system #about-videos .w1200,
    .course-system .about-v5__channels .w1200 { width: 100% !important; }

    .course-system__chapters .about-v5__chapter-inner {
        width: 100% !important;
        justify-content: flex-start;
        gap: 28px;
        padding: 0 18px;
    }

    .course-system__section-head,
    .course-system .about-v5__section-title { margin-bottom: 34px; }

    .course-system__section-head h2,
    .course-system__service-copy h2,
    .course-system .about-v5__section-title h2 { font-size: 30px; }

    .course-system__section-head > span,
    .course-system .about-v5__section-title div > span { font-size: 13px; }

    .course-system__reason-grid article b {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
        font-size: 13px;
    }

    .course-system__reason-grid article span { font-size: 13px; }
    .course-system__reason-cta { min-height: 52px; margin-top: 34px; font-size: 15px; }

    .course-system__level-shell {
        display: block;
        height: auto;
        min-height: 0;
    }

    .course-system__level-tabs {
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        padding: 9px;
        border-right: 0;
        border-bottom: 1px solid var(--course-line);
    }

    .course-system__level-tabs button {
        display: flex;
        min-height: 54px;
        padding: 7px 2px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2px;
        border-left: 0;
        border-bottom: 2px solid transparent;
        text-align: center;
    }

    .course-system__level-tabs button:hover,
    .course-system__level-tabs button.is-active {
        border-right: 0;
        border-bottom-color: var(--course-red-bright);
        border-left: 0;
    }

    .course-system__level-tabs button b { font-size: 11px; }
    .course-system__level-tabs button span {
        max-width: 100%;
        overflow: hidden;
        font-size: 10px;
        line-height: 1.25;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .course-system__level-panel {
        min-height: 410px;
        padding: 30px 22px;
    }

    .course-system__level-panel h3 { font-size: 26px; }
    .course-system__level-panel dl { grid-template-columns: 1fr; gap: 17px; margin-top: 30px; }

    .course-system__sequence {
        justify-content: flex-start;
        gap: 5px;
        padding: 12px 4px;
        overflow-x: auto;
    }

    .course-system__sequence span { min-width: 76px; padding: 9px 8px; font-size: 12px; }
    .course-system__sequence i { font-size: 12px; }

    .course-system__architecture-grid { gap: 12px; }
    .course-system__architecture-grid article { padding: 25px 23px; }

    .course-system__service-copy { min-height: 278px; padding: 14px 0; }
    .course-system__service-copy img { right: -10px; width: 138px; height: 138px; }
    .course-system__service-list { grid-template-columns: 1fr; }
    .course-system__service-list article { min-height: 0; padding: 20px 50px 20px 20px; }

    .course-system .about-v5__qr-list {
        grid-template-columns: minmax(0, 210px);
        gap: 32px;
    }

    .course-system .about-v5__qr-frame { width: 210px; height: 210px; }
    .course-system .about-v5__qr-list p strong { font-size: 15px; }
    .course-system .about-v5__qr-list p span { font-size: 12px; }

    .course-system__hero-actions a {
        min-width: 0;
        flex: 1;
        padding: 12px 10px;
        font-size: 13px;
    }
}

/* Hero overrides kept at the end so the legacy responsive rules cannot replace the real-photo layout. */
.course-system__hero { min-height: 620px; padding-top: 142px; background: #251e20; }
.course-system__hero-photo,
.course-system__hero-photo img,
.course-system__hero-shade { position:absolute; inset:0; width:100%; height:100%; }
.course-system__hero-photo { z-index:0; display:block; }
.course-system__hero-photo img { object-fit:cover; object-position:center 54%; }
.course-system__hero-shade { z-index:0; background:linear-gradient(90deg,rgba(28,21,23,.9),rgba(28,21,23,.72) 34%,rgba(28,21,23,.18) 68%,rgba(28,21,23,.28)),linear-gradient(0deg,rgba(28,21,23,.58),transparent 34%); }
.course-system__hero-doodles { z-index:1; opacity:.42; }
.course-system__hero-doodles > span { color:#fff; opacity:.12; }
.course-system__hero-grid { min-height:430px; }
.course-system__hero-copy { max-width:660px; }
.course-system__eyebrow { color:#f6b5ae; }
.course-system__hero h1 { color:#fff; font-size:clamp(46px,5vw,70px); text-shadow:0 4px 22px rgba(0,0,0,.3); }
.course-system__hero h1 span { color:#ffb2a8; }
.course-system__lead { color:rgba(255,255,255,.84); max-width:570px; }
.course-system__hero-tags span { border-color:rgba(255,255,255,.34); background:rgba(255,255,255,.11); color:#fff; }
.course-system__hero-actions a { border-color:rgba(255,255,255,.6); color:#fff !important; background:rgba(255,255,255,.08); }
.course-system__hero-actions a.is-primary { border-color:var(--course-red-bright); background:var(--course-red); }
.course-system__hero-visual { min-height:0; }
.course-system__hero-visual::before,.course-system__hero-visual::after,.course-system__hero-visual img,.course-system__orbit { display:none; }
.course-system__proof { z-index:2; display:grid; grid-template-columns:repeat(4,1fr); min-height:112px; margin-top:28px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.96); box-shadow:0 -14px 32px rgba(0,0,0,.12); }
.course-system__proof > div { padding:22px 24px; border-right:1px solid var(--course-line); }
.course-system__proof > div:last-child { border-right:0; }
.course-system__proof strong { color:var(--course-red); font-size:36px; line-height:1; }
.course-system__proof strong small { margin-left:3px; font-size:15px; }
.course-system__proof p { margin:9px 0 0; color:var(--course-muted); font-size:13px; }
@media (max-width:760px) {
 .course-system__hero { min-height:690px; padding-top:108px; }
 .course-system__hero-photo img { object-position:62% center; }
 .course-system__hero-shade { background:linear-gradient(180deg,rgba(28,21,23,.88),rgba(28,21,23,.48) 48%,rgba(28,21,23,.7)); }
 .course-system__hero-grid { display:block; min-height:410px; width:calc(100% - 36px); }
 .course-system__hero-visual { min-height:0; height:0; }
 .course-system__hero-copy { padding-top:26px; }
 .course-system__hero h1 { font-size:42px; }
 .course-system__lead { font-size:16px; line-height:1.65; }
 .course-system__hero-actions { margin-top:22px; }
 .course-system__proof { grid-template-columns:repeat(2,1fr); min-height:0; margin:0 18px; }
 .course-system__proof > div { padding:16px 17px; }
 .course-system__proof > div:nth-child(2) { border-right:0; }
 .course-system__proof > div:nth-child(-n+2) { border-bottom:1px solid var(--course-line); }
 .course-system__proof strong { font-size:30px; }
 .course-system__proof p { font-size:12px; }
}

/* Real classroom hero: the course promise sits above an authentic learning scene. */
.course-system__hero {
    min-height: 620px;
    padding: 142px 0 0;
    background: #251e20;
}

.course-system__hero-photo,
.course-system__hero-photo img,
.course-system__hero-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.course-system__hero-photo { z-index: 0; display: block; }
.course-system__hero-photo img { object-fit: cover; object-position: center 54%; }
.course-system__hero-shade {
    z-index: 0;
    background:
        linear-gradient(90deg, rgba(28, 21, 23, .9) 0%, rgba(28, 21, 23, .72) 34%, rgba(28, 21, 23, .18) 68%, rgba(28, 21, 23, .28) 100%),
        linear-gradient(0deg, rgba(28, 21, 23, .58), transparent 34%);
}

.course-system__hero-doodles { z-index: 1; opacity: .42; }
.course-system__hero-doodles > span { opacity: .12; color: #fff; }
.course-system__hero-grid { min-height: 430px; }
.course-system__hero-copy { max-width: 660px; }
.course-system__eyebrow { color: #f6b5ae; }
.course-system__hero h1 { color: #fff; font-size: clamp(46px, 5vw, 70px); text-shadow: 0 4px 22px rgba(0,0,0,.3); }
.course-system__hero h1 span { color: #ffb2a8; }
.course-system__lead { color: rgba(255,255,255,.84); max-width: 570px; }
.course-system__hero-tags span { border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.11); color: #fff; }
.course-system__hero-actions a { border-color: rgba(255,255,255,.6); color: #fff !important; background: rgba(255,255,255,.08); }
.course-system__hero-actions a.is-primary { border-color: var(--course-red-bright); background: var(--course-red); }
.course-system__hero-visual { min-height: 0; }
.course-system__hero-visual::before,
.course-system__hero-visual::after,
.course-system__hero-visual img,
.course-system__orbit { display: none; }
.course-system__proof {
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    min-height: 112px;
    margin-top: 28px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.96);
    box-shadow: 0 -14px 32px rgba(0,0,0,.12);
}
.course-system__proof > div { padding: 22px 24px; border-right: 1px solid var(--course-line); }
.course-system__proof > div:last-child { border-right: 0; }
.course-system__proof strong { color: var(--course-red); font-size: 36px; line-height: 1; }
.course-system__proof strong small { margin-left: 3px; font-size: 15px; }
.course-system__proof p { margin: 9px 0 0; color: var(--course-muted); font-size: 13px; }

@media (max-width: 760px) {
    .course-system__hero { min-height: 690px; padding-top: 108px; }
    .course-system__hero-photo img { object-position: 62% center; }
    .course-system__hero-shade { background: linear-gradient(180deg, rgba(28,21,23,.88) 0%, rgba(28,21,23,.48) 48%, rgba(28,21,23,.7) 100%); }
    .course-system__hero-grid { display: block; min-height: 410px; width: calc(100% - 36px); }
    .course-system__hero-copy { padding-top: 26px; }
    .course-system__hero h1 { font-size: 42px; }
    .course-system__lead { font-size: 16px; line-height: 1.65; }
    .course-system__hero-actions { margin-top: 22px; }
    .course-system__proof { grid-template-columns: repeat(2, 1fr); min-height: 0; margin: 0 18px; }
    .course-system__proof > div { padding: 16px 17px; }
    .course-system__proof > div:nth-child(2) { border-right: 0; }
    .course-system__proof > div:nth-child(-n+2) { border-bottom: 1px solid var(--course-line); }
    .course-system__proof strong { font-size: 30px; }
    .course-system__proof p { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    .course-system *,
    .course-system *::before,
    .course-system *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

.course-system {
    --course-canvas: var(--brand-cream, #fff9f5);
    --course-paper: var(--brand-paper, #fffdfb);
    --course-soft: var(--brand-primary-soft, #f2eff8);
    --course-ink: var(--brand-ink, #262224);
    --course-muted: var(--brand-muted, #716a6d);
    --course-red: var(--brand-primary, #6e52b5);
    --course-red-deep: var(--brand-primary-deep, #4d386f);
    --course-red-bright: var(--brand-primary-bright, #8a72c2);
    --course-line: var(--brand-line, #ebe3df);
    --course-content-width: 1040px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 8% 19%, rgba(var(--brand-accent-rgb), .045), transparent 22rem),
        radial-gradient(circle at 92% 46%, rgba(var(--brand-primary-rgb), .035), transparent 28rem),
        var(--course-canvas);
}

.course-system__hero {
    isolation: isolate;
    padding-top: 122px;
    background:
        radial-gradient(circle at 18% 20%, rgba(var(--brand-accent-rgb), .06), transparent 20rem),
        linear-gradient(135deg, rgba(255, 253, 251, .92), rgba(255, 249, 245, .94));
}

.course-system__hero-doodles,
.course-system__section-doodles {
    position: absolute;
    z-index: 0;
    inset: 0;
    overflow: hidden;
    color: var(--course-red);
    pointer-events: none;
    user-select: none;
}

.course-system__hero-doodles > span,
.course-system__section-doodles > * {
    position: absolute;
    display: block;
    opacity: .095;
}

.course-system__hero-word {
    top: 16%;
    left: -1.5%;
    color: var(--course-red-deep);
    font-family: Georgia, serif;
    font-size: clamp(54px, 10vw, 148px);
    font-weight: 700;
    letter-spacing: .08em;
    transform: rotate(-8deg);
    white-space: nowrap;
}

.course-system__hero-phrase {
    color: var(--course-red-deep);
    font-family: Georgia, serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    white-space: nowrap;
}

.course-system__hero-phrase--one { top: 23%; right: 4%; transform: rotate(7deg); }
.course-system__hero-phrase--two { right: 30%; bottom: 7%; transform: rotate(-4deg); }

.course-system__hero-abc {
    right: 7%;
    bottom: 21%;
    font-family: Georgia, serif;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .14em;
    transform: rotate(-9deg);
}

.course-system__hero-cap {
    top: 15%;
    left: 44%;
    width: 30px;
    height: 22px;
    border: 2px solid currentColor;
    border-radius: 3px;
    transform: rotate(16deg);
}

.course-system__hero-cap::before,
.course-system__hero-cap::after {
    position: absolute;
    content: "";
}

.course-system__hero-cap::before {
    top: 8px;
    left: -7px;
    width: 42px;
    height: 2px;
    background: currentColor;
}

.course-system__hero-cap::after {
    top: -11px;
    right: -4px;
    width: 2px;
    height: 13px;
    background: currentColor;
    box-shadow: 4px -2px 0 -1px currentColor;
}

.course-system__hero-spark { font-size: 22px; }
.course-system__hero-spark--one { top: 36%; left: 8%; }
.course-system__hero-spark--two { right: 17%; bottom: 11%; font-size: 15px; }

.course-system__hero-grid,
.course-system__proof,
.course-system__section > .w1200,
.course-system__service-grid {
    position: relative;
    z-index: 1;
}

.course-system__hero-grid { min-height: 420px; }

.course-system__hero-visual { min-height: 410px; }

.course-system__hero-visual::before {
    inset: 46px 8% 0;
    border: 1px solid rgba(var(--brand-primary-rgb), .12);
    border-radius: 48% 48% 10px 10px;
    background:
        radial-gradient(circle at 50% 26%, rgba(255, 253, 251, .7), transparent 42%),
        linear-gradient(160deg, rgba(250, 236, 236, .92), rgba(244, 222, 220, .62));
    box-shadow: inset 0 -28px 40px rgba(var(--brand-primary-rgb), .045);
}

.course-system__hero-visual img { width: min(440px, 100%); height: 408px; }

.course-system__hero-visual::after {
    position: absolute;
    right: 11%;
    bottom: 16px;
    left: 11%;
    height: 18px;
    border-radius: 50%;
    background: rgba(134, 25, 35, .10);
    filter: blur(12px);
    content: "";
}

.course-system__section { padding: 104px 0; scroll-margin-top: 132px; }
.course-system__chapters + .course-system__section { padding-top: 104px; }

.course-system__why,
.course-system__path,
.course-system #about-students,
.course-system .about-v5__channels {
    background:
        radial-gradient(circle at 86% 14%, rgba(var(--brand-accent-rgb), .04), transparent 18rem),
        var(--course-paper);
}

.course-system__methods,
.course-system__architecture,
.course-system #about-videos {
    background:
        radial-gradient(circle at 12% 74%, rgba(var(--brand-primary-rgb), .035), transparent 20rem),
        var(--course-canvas);
}

.course-system__section-head h2::after,
.course-system .about-v5__section-title h2::after {
    width: 48px;
    height: 3px;
    margin-top: 16px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--course-red), var(--course-red-bright));
}

.course-system__section-head > span strong,
.course-system__method-copy > div strong,
.course-system__level-panel dt,
.course-system__architecture-grid h3,
.course-system__service-list b { color: var(--course-red-deep); }

@media (min-width: 981px) {
    .course-system__level-tabs {
        min-height: 150px;
        padding-top: 12px;
    }

    .course-system__level-tabs::before,
    .course-system__level-tabs::after {
        top: 69px;
        transform: rotate(-2.45deg);
        transform-origin: left center;
    }

    .course-system__level-tabs button:nth-child(1) { transform: translateY(36px); }
    .course-system__level-tabs button:nth-child(2) { transform: translateY(32px); }
    .course-system__level-tabs button:nth-child(3) { transform: translateY(28px); }
    .course-system__level-tabs button:nth-child(4) { transform: translateY(24px); }
    .course-system__level-tabs button:nth-child(5) { transform: translateY(20px); }
    .course-system__level-tabs button:nth-child(6) { transform: translateY(16px); }
    .course-system__level-tabs button:nth-child(7) { transform: translateY(12px); }
    .course-system__level-tabs button:nth-child(8) { transform: translateY(8px); }
    .course-system__level-tabs button:nth-child(9) { transform: translateY(4px); }
}

.course-system__reason-grid article:hover {
    background: linear-gradient(90deg, rgba(250, 236, 236, .72), transparent);
}

.course-system__path { isolation: isolate; }

.course-system__section-doodles span {
    top: 9%;
    left: 3%;
    font-family: Georgia, serif;
    font-size: clamp(40px, 7vw, 90px);
    font-weight: 700;
    letter-spacing: .08em;
    transform: rotate(-7deg);
}

.course-system__section-doodles i {
    top: 21%;
    right: 6%;
    font-family: Georgia, serif;
    font-size: 14px;
    font-style: normal;
    letter-spacing: .16em;
    transform: rotate(8deg);
}

.course-system__section-doodles b { right: 12%; bottom: 15%; font-size: 26px; }

.course-system__level-shell {
    display: block;
    position: relative;
    width: min(var(--course-content-width), 100%);
    height: auto;
    min-height: 0;
    margin: 0 auto;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.course-system__level-route {
    display: flex;
    min-height: 36px;
    align-items: center;
    justify-content: space-between;
    margin: 0 4px 5px;
    color: var(--course-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.course-system__level-route i {
    display: block;
    height: 1px;
    flex: 1;
    margin: 0 16px;
    background: linear-gradient(90deg, var(--course-line), rgba(var(--brand-primary-rgb), .3), var(--course-line));
}

.course-system__level-route strong { color: var(--course-red); font-size: 11px; letter-spacing: .08em; }

.course-system__level-tabs {
    position: relative;
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    min-height: 110px;
    padding: 12px 0 20px;
    border: 0;
    background: transparent;
    overflow: visible;
}

.course-system__level-tabs::before,
.course-system__level-tabs::after {
    position: absolute;
    top: 33px;
    left: 5%;
    height: 3px;
    border-radius: 3px;
    content: "";
    pointer-events: none;
}

.course-system__level-tabs::before {
    right: 5%;
    background: var(--course-line);
}

.course-system__level-tabs::after {
    width: var(--level-progress, 0%);
    background: linear-gradient(90deg, var(--course-red-bright), var(--course-red));
    transition: width .45s ease;
}

.course-system__level-tabs button {
    position: relative;
    z-index: 1;
    display: flex;
    min-width: 0;
    min-height: 78px;
    align-items: center;
    padding: 0 3px;
    flex-direction: column;
    gap: 9px;
    border: 0;
    border-left: 0;
    background: transparent;
    color: var(--course-muted);
    text-align: center;
    cursor: pointer;
    font: inherit;
}

.course-system__level-tabs button b {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border: 2px solid var(--course-line);
    border-radius: 50%;
    background: var(--course-paper);
    color: #a58f91;
    font-size: 11px;
    font-weight: 800;
    box-shadow: 0 5px 12px rgba(86, 42, 37, .07);
    transition: transform .25s ease, border-color .25s ease, color .25s ease, background .25s ease;
}

.course-system__level-tabs button span {
    max-width: 100%;
    overflow: hidden;
    color: var(--course-muted);
    font-size: 12px;
    line-height: 1.35;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.course-system__level-tabs button:hover b,
.course-system__level-tabs button.is-active b {
    border-color: var(--course-red);
    background: var(--course-red);
    color: #fff;
    transform: translateY(-3px) scale(1.06);
}

.course-system__level-tabs button.is-past b {
    border-color: rgba(var(--brand-primary-rgb), .35);
    background: var(--course-soft);
    color: var(--course-red);
}

.course-system__level-tabs button.is-active span,
.course-system__level-tabs button.is-past span { color: var(--course-red-deep); font-weight: 750; }

.course-system__level-panel {
    position: relative;
    height: 358px;
    min-height: 358px;
    padding: 38px 238px 34px 46px;
    overflow: hidden;
    border: 1px solid var(--course-line);
    border-radius: 18px;
    background:
        linear-gradient(115deg, rgba(255, 253, 251, .98), rgba(250, 236, 236, .52)),
        var(--course-paper);
    box-shadow: 0 18px 42px rgba(88, 47, 39, .08);
    animation: courseLevelIn .36s ease both;
}

.course-system__level-summary p { margin: 0; color: var(--course-red-bright); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.course-system__level-summary p span { margin-left: 4px; color: var(--course-red); font-family: Georgia, serif; font-size: 18px; }
.course-system__level-panel h3 { margin: 12px 0 10px; color: var(--course-ink); font-size: 32px; line-height: 1.28; }

.course-system__level-panel > div strong {
    display: inline-flex;
    padding: 7px 13px;
    border: 1px solid rgba(var(--brand-primary-rgb), .12);
    border-radius: 999px;
    background: var(--course-soft);
    color: var(--course-red);
    font-size: 13px;
}

.course-system__level-panel dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 34px; max-width: 710px; margin: 34px 0 0; }

.course-system__level-panel dl div {
    min-width: 0;
    padding: 12px 0 0 14px;
    border-top: 1px solid var(--course-line);
    border-left: 3px solid rgba(var(--brand-accent-rgb), .34);
}

.course-system__level-panel dt { font-size: 14px; font-weight: 800; }
.course-system__level-panel dd { margin: 7px 0 0; color: var(--course-muted); font-size: 13px; line-height: 1.65; }

.course-system__level-mascot {
    position: absolute;
    right: 28px;
    bottom: 0;
    width: 190px;
    height: 190px;
    object-fit: contain;
    filter: drop-shadow(0 15px 12px rgba(85, 44, 36, .13));
    animation: courseMascotFloat 5s ease-in-out infinite;
}

.course-system__method-shell,
.course-system__architecture-grid article,
.course-system__service-list article { border-radius: 14px; }
.course-system__method-shell { box-shadow: 0 18px 40px rgba(75, 45, 40, .08); }
.course-system__method-tabs button.is-active { box-shadow: inset 3px 0 0 var(--course-red); }
.course-system .about-v5__qr-list { gap: clamp(24px, 5vw, 60px); }

@keyframes courseLevelIn {
    from { opacity: .35; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
    .course-system__hero { padding-top: 110px; }
    .course-system__hero-visual { min-height: 360px; }
    .course-system__hero-visual img { height: 350px; }
    .course-system__level-panel {
        height: 430px;
        min-height: 430px;
        padding-right: 205px;
    }
    .course-system__level-mascot { right: 20px; width: 165px; height: 165px; }
}

@media (max-width: 792px) {
    .course-system .about-v5__qr-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 20px; }
    .course-system .about-v5__qr-frame { width: min(220px, 100%); height: auto; aspect-ratio: 1; }
}

@media (max-width: 760px) {
    .course-system__level-tabs {
        display: flex;
        flex-direction: row;
        min-height: 106px;
        padding: 12px 4px 20px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
    }
    .course-system__level-tabs::-webkit-scrollbar { display: none; }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after { width: 900px; right: auto; }
    .course-system__level-tabs button { width: 92px; min-width: 92px; scroll-snap-align: start; }
    .course-system__level-panel { height: auto; min-height: 432px; padding: 32px 28px 30px; }
    .course-system__level-panel dl { max-width: none; }
    .course-system__level-mascot { right: 20px; width: 165px; height: 165px; opacity: .9; }
    .course-system__level-panel dl { padding-right: 112px; }
}

@media (max-width: 640px) {
    .course-system__section,
    .course-system #about-students,
    .course-system #about-videos,
    .course-system .about-v5__channels { padding: 64px 18px; }
    .course-system__chapters + .course-system__section { padding-top: 68px; }
    .course-system__hero-doodles > span:nth-child(n+4),
    .course-system__section-doodles > * { opacity: .06; }
    .course-system__hero-word { top: 12%; left: -15%; font-size: 72px; }
    .course-system__hero-phrase--one { top: 18%; right: -7%; }
    .course-system__hero-phrase--two,
    .course-system__hero-abc,
    .course-system__hero-cap { display: none; }
    .course-system__hero-visual::before { inset: 34px 4% 0; }
    .course-system__hero-visual img { height: 280px; }
    .course-system__level-route { margin-bottom: 0; }
    .course-system__level-route i { margin: 0 8px; }
    .course-system__level-route strong { font-size: 10px; }
    .course-system__level-panel { min-height: 480px; padding: 28px 20px 24px; }
    .course-system__level-panel h3 { max-width: 210px; font-size: 27px; }
    .course-system__level-panel dl { grid-template-columns: 1fr; gap: 14px; margin-top: 28px; padding-right: 0; }
    .course-system__level-panel dl div { padding-top: 10px; }
    .course-system__level-panel dl div:last-child { padding-right: 86px; }
    .course-system__level-mascot { right: 2px; bottom: 4px; width: 84px; height: 84px; opacity: .68; }
    .course-system__section { scroll-margin-top: 108px; }
    .course-system__section-head h2,
    .course-system__service-copy h2,
    .course-system .about-v5__section-title h2 { font-size: 30px; }
}

@media (min-width: 761px) and (max-width: 980px) {
    .course-system__level-panel {
        height: auto;
        min-height: 430px;
        overflow: hidden;
        padding-right: clamp(182px, 24vw, 205px);
    }

    .course-system__level-panel dl { max-width: none; }
}

@media (max-width: 640px) {
    .course-system .about-v5__qr-list {
        grid-template-columns: minmax(0, 210px);
        gap: 32px;
    }

    .course-system .about-v5__qr-frame {
        width: min(210px, 100%);
        height: auto;
        aspect-ratio: 1;
    }
}

@media (max-width: 760px) {
    .course-system__hero-visual { min-height: 0 !important; height: 0 !important; }
}

/* Product-page density pass: compact content blocks with a single clear focal point. */
.course-system__why,
.course-system__methods,
.course-system__path { padding-top: 76px; padding-bottom: 76px; }
.course-system__section-head { margin-bottom: 30px; }
.course-system__section-head h2 { font-size: 36px; }
.course-system__section-head > span { margin-top: 12px; font-size: 14px; line-height: 1.65; }
.course-system__reason-grid { grid-auto-rows: minmax(88px, 1fr); }
.course-system__reason-grid article { min-height: 88px; gap: 14px; padding: 16px 20px; }
.course-system__reason-grid article b { width: 36px; height: 36px; flex-basis: 36px; font-size: 12px; }
.course-system__reason-grid article p { gap: 3px; }
.course-system__reason-grid article strong,
.course-system__reason-grid article span { font-size: 15px; line-height: 1.5; }
.course-system__reason-grid article span { color: var(--course-muted); }
.course-system__reason-grid article:nth-child(2) strong,
.course-system__reason-grid article:nth-child(3) strong,
.course-system__reason-grid article:nth-child(5) strong,
.course-system__reason-grid article:nth-child(9) strong { color: var(--course-red); font-weight: 800; background: none; }
.course-system__reason-grid article:nth-child(3) p,
.course-system__reason-grid article:nth-child(5) p,
.course-system__reason-grid article:nth-child(9) p { display: block; }
.course-system__reason-grid article:nth-child(3) p span,
.course-system__reason-grid article:nth-child(5) p span,
.course-system__reason-grid article:nth-child(9) p span,
.course-system__reason-grid article:nth-child(3) p strong,
.course-system__reason-grid article:nth-child(5) p strong,
.course-system__reason-grid article:nth-child(9) p strong { display: inline; }
.course-system__reason-grid article:nth-child(3) p span + strong,
.course-system__reason-grid article:nth-child(5) p span + strong,
.course-system__reason-grid article:nth-child(9) p span + strong { margin: 0 4px; }
.course-system__reason-grid article p,
.course-system__reason-grid article p > strong,
.course-system__reason-grid article p > span { display: block; }
.course-system__reason-grid article p { white-space: nowrap; }
.course-system__reason-grid article p > strong,
.course-system__reason-grid article p > span { display: inline; }
.course-system__reason-grid article p > * + * { margin-left: 6px; }
.course-system__reason-cta { display: flex; margin: 28px auto 0; }

.course-system__reviews {
    position: relative;
    margin: 38px auto 0;
    padding: 24px 0 28px;
    background: linear-gradient(180deg, rgba(250, 236, 236, .22), rgba(255, 253, 251, .12));
}
.course-system__reviews-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin: 0 auto 20px;
    max-width: var(--course-content-width);
}
.course-system__reviews-head p { margin: 0 0 7px; color: var(--course-red-bright); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.course-system__reviews-head h3 { margin: 0; color: var(--course-ink); font-size: 25px; line-height: 1.2; }
.course-system__reviews-head > span { color: var(--course-muted); font-size: 12px; }
.course-system__review-viewport { overflow: hidden; }
.course-system__review-track { display: flex; width: max-content; animation: courseReviewsMarquee 48s linear infinite; }
.course-system__review-set { display: flex; gap: 14px; padding-right: 14px; }
.course-system__review-set article {
    display: flex;
    width: 272px;
    min-height: 112px;
    flex-direction: column;
    justify-content: space-between;
    padding: 15px 17px 14px;
    border: 1px solid rgba(var(--brand-primary-rgb), .09);
    border-radius: 10px;
    background: rgba(255, 253, 251, .78);
    box-shadow: 0 9px 22px rgba(75, 45, 40, .05);
}

.course-system__chapters { position: sticky; top: 80px; z-index: 90; }
.course-system__review-set article p { margin: 0; color: var(--course-ink); font-size: 14px; line-height: 1.65; }
.course-system__review-set article small { margin-top: 12px; color: var(--course-red); font-size: 11px; }
.course-system__review-set article::before { content: "“"; color: var(--course-red-bright); font-family: Georgia, serif; font-size: 28px; line-height: .65; }
@keyframes courseReviewsMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .course-system__review-track { animation-play-state: paused; } }

.course-system__method-shell { height: 382px; grid-template-columns: 224px minmax(0, 1fr); }
.course-system__method-tabs button { min-height: 44px; padding: 7px 18px; }
.course-system__method-panel { padding: 34px 42px; }

.course-system__level-shell { padding-top: 4px; }
.course-system__level-route { display: none; }
.course-system__level-tabs { min-height: 94px; padding: 16px 0 12px; }
.course-system__level-tabs button:nth-child(n) { transform: none; }
.course-system__level-tabs::before,
.course-system__level-tabs::after { top: 37px; left: 4%; right: 4%; transform: none; }
.course-system__level-tabs button b { width: 38px; height: 38px; flex-basis: 38px; }
.course-system__level-panel { height: 320px; min-height: 320px; padding: 32px 210px 28px 38px; border-radius: 14px; }
.course-system__level-panel h3 { margin-top: 8px; font-size: 28px; }
.course-system__level-panel dl { gap: 14px 26px; margin-top: 26px; }
.course-system__level-mascot { right: 24px; width: 150px; height: 150px; opacity: .86; }

.course-system__architecture[hidden] { display: none !important; }
.course-system__chapter-cta {
    margin-left: auto;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--course-red);
    color: #fff !important;
    font-size: 12px !important;
    font-weight: 750 !important;
}
.course-system__chapter-cta span { margin-left: 4px; }
.course-system__path-plain {
    display: block;
    margin: 0 auto 26px;
    color: var(--course-red);
    font-size: 13px;
    font-weight: 750;
    text-align: center;
}
.course-system__path-plain i { margin: 0 8px; color: var(--course-red-bright); font-style: normal; }

.course-system__proof-section { background: var(--course-canvas); padding: 64px 0 !important; }
.course-system__evidence-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.38fr) minmax(280px, .62fr);
    gap: 18px;
    width: min(var(--course-content-width), 100%);
    margin: 0 auto;
}
.course-system__evidence-grid article {
    overflow: hidden;
    border: 1px solid rgba(var(--brand-primary-rgb), .1);
    border-radius: 14px;
    background: rgba(255, 253, 251, .72);
}
.course-system__evidence-feature { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(250px, .85fr); align-items: stretch; }
.course-system__evidence-placeholder {
    position: relative;
    display: flex;
    min-height: 250px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px;
    background: linear-gradient(135deg, rgba(var(--brand-primary-rgb), .1), rgba(250, 236, 236, .8));
    color: var(--course-red);
    text-align: center;
}
.course-system__evidence-placeholder::before { position: absolute; inset: 20px; border: 1px dashed rgba(var(--brand-primary-rgb), .28); border-radius: 10px; content: ""; }
.course-system__evidence-placeholder span,
.course-system__evidence-placeholder small,
.course-system__evidence-placeholder b { position: relative; z-index: 1; }
.course-system__evidence-placeholder span { font-size: 20px; font-weight: 800; }
.course-system__evidence-placeholder small { max-width: 220px; margin-top: 9px; color: var(--course-muted); font-size: 11px; line-height: 1.55; }
.course-system__evidence-placeholder b { display: grid; width: 40px; height: 40px; margin-top: 18px; place-items: center; border-radius: 50%; background: var(--course-red); color: #fff; font-size: 13px; }
.course-system__evidence-grid article > div:last-child { padding: 30px 28px; }
.course-system__evidence-media {
    position: relative;
    min-width: 0;
    min-height: 250px;
    overflow: hidden;
    background: #eadbd7;
}
.course-system__evidence-media video,
.course-system__evidence-media > img,
.course-system__evidence-fallback img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.course-system__evidence-media video { aspect-ratio: 16 / 9; }
.course-system__evidence-play {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .72) !important;
    border-radius: 50%;
    background: rgba(var(--brand-primary-rgb), .9) !important;
    color: #fff !important;
    transform: translate(-50%, -50%);
    transition: transform .22s ease, background .22s ease;
}
.course-system__evidence-play:hover { background: var(--course-red-deep) !important; transform: translate(-50%, -50%) scale(1.06); }
.course-system__evidence-play span { margin-left: 3px; font-size: 16px; }
.course-system__evidence-play.is-playing span { margin-left: 0; font-size: 14px; letter-spacing: -2px; }
.course-system__evidence-caption {
    position: absolute;
    right: 14px;
    bottom: 12px;
    left: 14px;
    color: rgba(255, 255, 255, .94);
    font-size: 11px;
    font-weight: 700;
    text-shadow: 0 1px 8px rgba(0, 0, 0, .38);
}
.course-system__evidence-fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}
.course-system__evidence-fallback[hidden] { display: none; }
.course-system__evidence-fallback img { position: absolute; inset: 0; }
.course-system__evidence-fallback span {
    position: relative;
    z-index: 1;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(38, 34, 36, .64);
    color: #fff;
    font-size: 12px;
}
.course-system__evidence-proof-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 250px;
    gap: 10px;
    padding: 14px;
    background: linear-gradient(135deg, rgba(250, 236, 236, .8), rgba(255, 253, 251, .9));
}
.course-system__evidence-proof-image {
    position: relative;
    min-width: 0;
    overflow: hidden;
    border-radius: 10px;
    background: #f4eeeb;
}
.course-system__evidence-proof-image img { transition: transform .3s ease; }
.course-system__evidence-proof-image:hover img { transform: scale(1.035); }
.course-system__evidence-proof-image span {
    position: absolute;
    right: 8px;
    bottom: 8px;
    left: 8px;
    padding: 5px 7px;
    border-radius: 6px;
    background: rgba(38, 34, 36, .62);
    color: #fff;
    font-size: 10px;
    text-align: center;
}
.course-system__evidence-copy { min-width: 0; }
.course-system__evidence-grid article > div:last-child > small { color: var(--course-red-bright); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.course-system__evidence-grid h3 { margin: 16px 0 10px; color: var(--course-ink); font-size: 22px; line-height: 1.35; }
.course-system__evidence-grid p { margin: 0; color: var(--course-muted); font-size: 13px; line-height: 1.75; }
.course-system__evidence-notes .course-system__evidence-placeholder { min-height: 184px; }
.course-system__evidence-notes .course-system__evidence-placeholder span { font-size: 17px; }
.course-system__channels-compact { padding-top: 72px !important; padding-bottom: 72px !important; background: var(--course-paper) !important; }
.course-system__channels-compact .course-system__section-head { margin-bottom: 26px; }
.course-system__channels-compact .about-v5__qr-list { gap: 32px; }
.course-system__channels-compact .about-v5__qr-frame { width: 150px; height: 150px; }

@media (max-width: 760px) {
    .course-system__chapter-cta { margin-left: 0; }
    .course-system__path-plain { overflow-x: auto; white-space: nowrap; }
    .course-system__evidence-grid,
    .course-system__evidence-feature { grid-template-columns: 1fr; }
    .course-system__evidence-grid article > div:last-child { padding: 24px 20px; }
    .course-system__evidence-placeholder { min-height: 210px; }
    .course-system__evidence-media,
    .course-system__evidence-proof-strip { min-height: 210px; }
    .course-system__evidence-proof-strip { padding: 10px; }
    .course-system__channels-compact .about-v5__qr-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .course-system__channels-compact .about-v5__qr-frame { width: 100%; height: auto; aspect-ratio: 1; }
}

@keyframes courseHeroPhotoDrift {
    0%, 100% { transform: scale(1.02) translate3d(0, 0, 0); }
    50% { transform: scale(1.045) translate3d(-.35%, -.25%, 0); }
}

@keyframes courseHeroNoteFloat {
    0%, 100% { transform: translate3d(0, 0, 0) rotate(-8deg); }
    50% { transform: translate3d(0, -7px, 0) rotate(-5deg); }
}

.course-system__hero-photo img { animation: courseHeroPhotoDrift 16s ease-in-out infinite; }
.course-system__hero-phrase--one { animation: courseHeroNoteFloat 5.5s ease-in-out infinite; }
.course-system__hero-phrase--two { animation: courseHeroNoteFloat 6.5s ease-in-out -1.5s infinite reverse; }
.course-system__hero-spark--one { animation: courseHeroNoteFloat 4.5s ease-in-out -.8s infinite; }
.course-system__hero-spark--two { animation: courseHeroNoteFloat 5.2s ease-in-out -2s infinite reverse; }

@media (prefers-reduced-motion: reduce) {
    .course-system__hero-photo img,
    .course-system__hero-phrase--one,
    .course-system__hero-phrase--two,
    .course-system__hero-spark--one,
    .course-system__hero-spark--two { animation: none; }
}

/* Evidence is a product-style switcher: one stable stage, two proof stories. */
.course-system__evidence-shell {
    width: min(var(--course-content-width), 100%);
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid rgba(var(--brand-primary-rgb), .16);
    border-radius: 16px;
    background: var(--course-paper);
    box-shadow: 0 22px 54px rgba(75, 45, 40, .09);
}

.course-system__evidence-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid var(--course-line);
    background: #f8f1ef;
}

.course-system__evidence-tabs button {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 22px;
    min-width: 0;
    align-items: center;
    gap: 13px;
    padding: 18px 26px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--course-muted);
    text-align: left;
    cursor: pointer;
    font: inherit;
    transition: color .25s ease, background .25s ease, border-color .25s ease;
}

.course-system__evidence-tabs button + button { border-left: 1px solid var(--course-line); }
.course-system__evidence-tabs button:hover,
.course-system__evidence-tabs button.is-active { background: var(--course-paper); color: var(--course-red); }
.course-system__evidence-tabs button.is-active { border-bottom-color: var(--course-red); }
.course-system__evidence-tabs button > b { color: rgba(var(--brand-primary-rgb), .46); font-family: Georgia, serif; font-size: 17px; }
.course-system__evidence-tabs button > span { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.course-system__evidence-tabs button strong { color: currentColor; font-size: 16px; line-height: 1.35; }
.course-system__evidence-tabs button small { color: var(--course-muted); font-size: 11px; line-height: 1.4; }
.course-system__evidence-tabs button > i { color: rgba(var(--brand-primary-rgb), .48); font-size: 20px; font-style: normal; text-align: right; transition: transform .25s ease; }
.course-system__evidence-tabs button:hover > i,
.course-system__evidence-tabs button.is-active > i { transform: translate(3px, -3px); }

.course-system__evidence-panels { min-height: 448px; }
.course-system__evidence-panel { min-height: 448px; animation: courseEvidenceIn .35s ease both; }
.course-system__evidence-panel[hidden] { display: none !important; }

.course-system__classroom-stage {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
    min-height: 448px;
}

.course-system__evidence-media { min-height: 448px; border-radius: 0; background: #5e3734; }
.course-system__evidence-media video,
.course-system__evidence-media > img,
.course-system__evidence-fallback img { object-fit: cover; }
.course-system__evidence-video-label {
    position: absolute;
    right: 22px;
    bottom: 20px;
    left: 22px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    color: #fff;
    text-shadow: 0 2px 14px rgba(0, 0, 0, .5);
}
.course-system__evidence-video-label span { color: rgba(255, 255, 255, .78); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.course-system__evidence-video-label strong { font-size: 14px; }
.course-system__evidence-play { width: 64px; height: 64px; }

.course-system__classroom-rail {
    display: flex;
    min-width: 0;
    padding: 35px 30px 28px;
    flex-direction: column;
    justify-content: space-between;
    background: var(--course-paper);
}
.course-system__evidence-copy small { color: var(--course-red-bright); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.course-system__evidence-copy h3 { margin: 14px 0 10px; color: var(--course-ink); font-size: 25px; line-height: 1.35; }
.course-system__evidence-copy p { margin: 0; color: var(--course-muted); font-size: 13px; line-height: 1.8; }
.course-system__evidence-points { display: flex; margin: 28px 0; padding: 0; flex-wrap: wrap; gap: 8px; list-style: none; }
.course-system__evidence-points li { padding: 7px 10px; border-radius: 999px; background: var(--course-soft); color: var(--course-red); font-size: 11px; font-weight: 750; }
.course-system__evidence-feedbacks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.course-system__evidence-feedbacks button { position: relative; height: 104px; overflow: hidden; padding: 0; border: 0; border-radius: 8px; background: #f1e9e5; cursor: pointer; }
.course-system__evidence-feedbacks img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.course-system__evidence-feedbacks button:hover img { transform: scale(1.06); }
.course-system__evidence-feedbacks span { position: absolute; right: 6px; bottom: 6px; left: 6px; padding: 5px; border-radius: 5px; background: rgba(38, 34, 36, .62); color: #fff; font-size: 10px; text-align: center; }

.course-system__student-stage { display: grid; grid-template-columns: minmax(230px, .65fr) minmax(0, 1.35fr); min-height: 448px; align-items: center; gap: 34px; padding: 34px 38px; background: linear-gradient(135deg, #fffdfb 0%, #fff6f0 100%); }
.course-system__student-copy { max-width: 310px; }
.course-system__student-copy h3 { margin: 14px 0 10px; color: var(--course-ink); font-size: 28px; line-height: 1.35; }
.course-system__student-copy p { margin: 0; color: var(--course-muted); font-size: 13px; line-height: 1.8; }
.course-system__student-metrics { display: flex; gap: 24px; margin-top: 26px; }
.course-system__student-metrics span { display: flex; flex-direction: column; gap: 4px; }
.course-system__student-metrics b { color: var(--course-red); font-size: 22px; }
.course-system__student-metrics small { color: var(--course-muted); font-size: 10px; }
.course-system__student-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: stretch; gap: 12px; }
.course-system__student-card,
.course-system__student-placeholder { position: relative; display: flex; min-width: 0; min-height: 248px; padding: 0; overflow: hidden; flex-direction: column; justify-content: flex-end; border: 1px solid rgba(var(--brand-primary-rgb), .13); border-radius: 10px; background: #f5eee7; box-shadow: 0 10px 22px rgba(75, 45, 40, .08); text-align: left; cursor: pointer; }
.course-system__student-card::after { position: absolute; inset: 0; background: linear-gradient(transparent 48%, rgba(28, 20, 20, .7)); content: ""; pointer-events: none; }
.course-system__student-card img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.course-system__student-card:hover img { transform: scale(1.055); }
.course-system__student-card > span { position: absolute; z-index: 1; right: 12px; bottom: 13px; left: 12px; color: rgba(255, 255, 255, .88); font-size: 10px; line-height: 1.45; }
.course-system__student-card > span b { color: #fff; font-size: 12px; }
.course-system__student-placeholder { align-items: center; justify-content: center; border-style: dashed; background: repeating-linear-gradient(-45deg, rgba(var(--brand-primary-rgb), .035), rgba(var(--brand-primary-rgb), .035) 8px, transparent 8px, transparent 16px), #fffaf7; color: var(--course-red); text-align: center; cursor: default; }
.course-system__student-placeholder span { display: grid; width: 42px; height: 42px; margin-bottom: 14px; place-items: center; border: 1px solid rgba(var(--brand-primary-rgb), .28); border-radius: 50%; font-size: 25px; font-weight: 300; }
.course-system__student-placeholder strong { font-size: 12px; }
.course-system__student-placeholder small { max-width: 120px; margin-top: 7px; color: var(--course-muted); font-size: 10px; line-height: 1.55; }

.course-system__classroom-steps {
    display: grid;
    gap: 0;
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.course-system__classroom-steps li {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 11px;
    align-items: start;
    padding: 11px 0;
    border-top: 1px solid var(--course-line);
}

.course-system__classroom-steps li > b {
    color: var(--course-red-bright);
    font-family: Georgia, serif;
    font-size: 13px;
    line-height: 1.5;
}

.course-system__classroom-steps li span { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.course-system__classroom-steps strong { color: var(--course-red-deep); font-size: 13px; line-height: 1.4; }
.course-system__classroom-steps small { color: var(--course-muted); font-size: 11px; line-height: 1.5; }

.course-system__asset-slot {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
    border: 1px dashed rgba(var(--brand-primary-rgb), .27);
    background: rgba(250, 236, 236, .38);
    color: var(--course-red);
}

.course-system__asset-slot > span {
    display: grid;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    place-items: center;
    border: 1px solid rgba(var(--brand-primary-rgb), .3);
    border-radius: 50%;
    font-size: 18px;
    font-weight: 300;
}

.course-system__asset-slot > div { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.course-system__asset-slot strong { font-size: 11px; line-height: 1.4; }
.course-system__asset-slot small { color: var(--course-muted); font-size: 10px; line-height: 1.45; }
.course-system__asset-slot--classroom { margin-top: 16px; padding: 10px 12px; }
@keyframes courseEvidenceIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 900px) {
    .course-system__classroom-stage { grid-template-columns: minmax(0, 1.2fr) minmax(250px, .8fr); }
    .course-system__student-stage { grid-template-columns: 220px minmax(0, 1fr); gap: 22px; padding-right: 24px; padding-left: 24px; }
    .course-system__student-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .course-system__student-card, .course-system__student-placeholder { min-height: 170px; }
}

@media (max-width: 760px) {
    .course-system__evidence-tabs button { grid-template-columns: 28px minmax(0, 1fr); gap: 8px; padding: 14px 15px; }
    .course-system__evidence-tabs button > i { display: none; }
    .course-system__evidence-tabs button strong { font-size: 14px; }
    .course-system__evidence-tabs button small { font-size: 10px; }
    .course-system__evidence-panels, .course-system__evidence-panel { min-height: 0; }
    .course-system__classroom-stage, .course-system__student-stage { grid-template-columns: 1fr; min-height: 0; }
    .course-system__evidence-media { min-height: 240px; }
    .course-system__evidence-video-label { right: 14px; bottom: 14px; left: 14px; }
    .course-system__classroom-rail { min-height: 310px; padding: 26px 20px 20px; }
    .course-system__evidence-copy h3 { font-size: 22px; }
    .course-system__student-stage { gap: 24px; padding: 28px 18px 24px; }
    .course-system__student-copy { max-width: none; }
    .course-system__student-copy h3 { font-size: 23px; }
    .course-system__student-gallery { gap: 10px; }
    .course-system__student-card, .course-system__student-placeholder { min-height: 190px; }
    .course-system__classroom-steps { margin-top: 20px; }
    .course-system__asset-slot--classroom { margin-top: 12px; }
}

@media (min-width: 761px) {
    .course-system .about-v5__chapter-inner { justify-content: center; }
}

@media (max-width: 760px) {
    .course-system .about-v5__chapter-inner {
        justify-content: flex-start;
        padding-right: 18px;
        padding-left: 18px;
    }
    .course-system .about-v5__chapter-inner .course-system__chapter-cta {
        position: static;
        margin-left: 0;
    }
}

@media (max-width: 760px) {
    .course-system__why,
    .course-system__methods,
    .course-system__path { padding-top: 58px; padding-bottom: 58px; }
    .course-system__section-head { margin-bottom: 24px; }
    .course-system__section-head h2 { font-size: 29px; }
    .course-system__reason-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
    .course-system__reason-grid article,
    .course-system__reason-grid article:nth-child(odd) { min-height: 0; border-right: 0; }
    .course-system__reason-grid article strong,
    .course-system__reason-grid article span { font-size: 14px; }
    .course-system__reason-grid article p { white-space: normal; }
    .course-system__method-shell { display: block; height: auto; min-height: 0; }
    .course-system__method-tabs { display: flex; flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--course-line); }
    .course-system__method-tabs button { min-width: 132px; min-height: 58px; border-left: 0; border-bottom: 3px solid transparent; }
    .course-system__method-tabs button.is-active { box-shadow: inset 0 -3px 0 var(--course-red); }
    .course-system__method-panels { height: 286px; }
    .course-system__method-panel { min-height: 286px; padding: 28px 22px; }
    .course-system__level-tabs { min-height: 92px; padding: 12px 4px 14px; overflow-x: auto; overflow-y: hidden; }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after { width: 920px; right: auto; }
    .course-system__level-tabs button { width: 88px; min-width: 88px; }
    .course-system__level-panel { height: auto; min-height: 410px; padding: 28px 20px 24px; }
    .course-system__level-panel dl { grid-template-columns: 1fr; gap: 14px; margin-top: 24px; padding-right: 0; }
    .course-system__level-mascot { right: 6px; bottom: 4px; width: 90px; height: 90px; opacity: .66; }
    .course-system__reviews { margin-top: 46px; padding: 26px 0 28px; }
    .course-system__reviews-head { display: block; margin-bottom: 16px; }
    .course-system__reviews-head > span { display: block; margin-top: 8px; }
    .course-system__review-set article { width: 252px; min-height: 142px; padding: 16px; }
}

/* ============================================================
   Hero final polish (2026-08): typewriter headline, breathing
   rhythm, compact rounded proof bar. Appended last so it wins
   the cascade without touching the legacy blocks above.
   ============================================================ */

/* smaller overall hero: data bar peeks at the fold as a scroll cue */
.course-system__hero { min-height: 560px; padding-top: 122px; }
.course-system__hero-grid { min-height: 372px; }

/* breathing rhythm between copy elements */
.course-system__hero .course-system__eyebrow { margin-bottom: 18px; }
.course-system__lead { margin-top: 26px; }
.course-system__hero-tags { margin-top: 30px; }
.course-system__hero-actions { margin-top: 38px; }

/* typewriter: all phrases are 5 chars, so min-width kills layout jitter */
.course-system__hero-typed {
    display: inline-block;
    min-width: calc(5em + 12px);
    font-style: normal;
    width: max-content;
    max-width: none;
    white-space: nowrap !important;
}
.course-system__hero-typed b { display: inline-block; width: max-content; max-width: none; white-space: nowrap !important; font-weight: inherit; }
.course-system__hero-caret {
    display: inline-block;
    width: 4px;
    height: .82em;
    margin-left: 5px;
    border-radius: 2px;
    background: #ffb2a8;
    vertical-align: -.06em;
    animation: courseHeroCaretBlink 1.05s steps(1) infinite;
}
@keyframes courseHeroCaretBlink { 50% { opacity: 0; } }

/* compact proof bar with rounded top corners */
.course-system__proof {
    min-height: 0;
    margin-top: 24px;
    border-radius: 16px 16px 0 0;
}
.course-system__proof > div { padding: 14px 24px 16px; }
.course-system__proof strong { font-size: 28px; }
.course-system__proof strong small { font-size: 13px; }
.course-system__proof p { margin-top: 6px; font-size: 12px; }

@media (max-width: 760px) {
    .course-system__hero { min-height: 596px; padding-top: 104px; }
    .course-system__hero-grid { min-height: 380px; }
    .course-system__lead { margin-top: 20px; }
    .course-system__hero-tags { margin-top: 24px; }
    .course-system__hero-actions { margin-top: 28px; }
    .course-system__proof { border-radius: 14px 14px 0 0; }
    .course-system__proof > div { padding: 12px 14px 13px; }
    .course-system__proof strong { font-size: 26px; }
    .course-system__proof p { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
    .course-system__hero-caret { animation: none; }
}

/* Evidence tabs: media-first classroom presentation and a calm outcomes rail. */
.course-system__proof-section .course-system__evidence-shell {
    border-radius: 12px;
    background: #fffaf7;
}
.course-system__proof-section .course-system__evidence-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    background: #f7eeea;
}
.course-system__proof-section .course-system__evidence-tabs button {
    min-height: 76px;
    padding: 17px 28px;
}
.course-system__proof-section .course-system__evidence-tabs button small { display: none; }
.course-system__proof-section .course-system__evidence-tabs button strong { font-size: 18px; }
.course-system__proof-section .course-system__evidence-tabs button > b { font-size: 20px; }
.course-system__proof-section .course-system__classroom-stage {
    display: block;
    min-height: 0;
    padding: 24px;
    background: #2f2423;
}
.course-system__proof-section .course-system__evidence-media {
    min-height: 0;
    aspect-ratio: 16 / 6.6;
    border-radius: 9px;
    background: #221b1b;
}
.course-system__proof-section .course-system__evidence-media video { aspect-ratio: 16 / 6.6; }
.course-system__proof-section .course-system__classroom-rail {
    display: block;
    min-height: 0;
    padding: 18px 0 0;
    background: transparent;
}
.course-system__proof-section .course-system__classroom-videos {
    margin: 0;
    padding: 0 0 4px;
    border-bottom: 0;
    scrollbar-color: rgba(255,255,255,.35) transparent;
}
.course-system__proof-section .course-system__classroom-video {
    width: 178px;
    min-width: 178px;
    padding: 7px;
    border-color: rgba(255,255,255,.16);
    background: rgba(255,255,255,.07);
    color: #fff;
}
.course-system__proof-section .course-system__classroom-video:hover,
.course-system__proof-section .course-system__classroom-video.is-active {
    border-color: rgba(255,255,255,.82);
    background: rgba(var(--brand-primary-rgb),.78);
    transform: translateY(-2px);
}
.course-system__proof-section .course-system__classroom-video-thumb { width: 64px; height: 48px; flex-basis: 64px; }
.course-system__proof-section .course-system__classroom-video b { color: rgba(255,255,255,.74); }
.course-system__proof-section .course-system__classroom-video strong { color: #fff; }
.course-system__proof-section .course-system__classroom-rail > .course-system__evidence-copy,
.course-system__proof-section .course-system__classroom-steps,
.course-system__proof-section .course-system__asset-slot--classroom { display: none; }

.course-system__proof-section .course-system__student-stage {
    display: block;
    min-height: 0;
    padding: 24px;
    background: #fffaf7;
}
.course-system__proof-section .course-system__student-copy {
    display: flex;
    max-width: none;
    align-items: baseline;
    gap: 18px;
    margin-bottom: 18px;
}
.course-system__proof-section .course-system__student-copy h3 { margin: 0; font-size: 24px; }
.course-system__proof-section .course-system__student-copy p,
.course-system__proof-section .course-system__student-metrics { display: none; }
.course-system__proof-section .course-system__student-gallery {
    display: flex;
    min-height: 246px;
    gap: 12px;
    overflow-x: auto;
    padding: 2px 2px 10px;
    scroll-snap-type: x proximity;
}
.course-system__proof-section .course-system__student-card,
.course-system__proof-section .course-system__student-placeholder {
    width: 258px;
    min-width: 258px;
    height: 246px;
    min-height: 246px;
    scroll-snap-align: start;
}
.course-system__proof-section .course-system__student-card--featured { grid-row: auto; }

/* Final readability pass: stronger hierarchy and a compact classroom stage. */
.course-system { font-size: 17px; }
.course-system__section-head h2,
.course-system__reviews-head h3,
.course-system__student-copy h3 { font-weight: 800; }
.course-system__section-head h2 { font-size: clamp(32px, 3.2vw, 46px); }
.course-system__section-head > span,
.course-system__reviews-head > span,
.course-system__lead { font-size: 19px; }
.course-system__reason-grid article p,
.course-system__reason-grid article span,
.course-system__reason-grid article strong { font-size: 16px; }
.course-system__proof-section .course-system__classroom-stage {
    height: 382px;
    padding: 16px;
}
.course-system__proof-section .course-system__evidence-media,
.course-system__proof-section .course-system__evidence-media video {
    height: 270px;
    min-height: 0;
    aspect-ratio: auto;
}
.course-system__proof-section .course-system__classroom-rail { padding-top: 12px; }

@media (max-width: 760px) {
    .course-system__proof-section .course-system__classroom-stage { height: 330px; }
    .course-system__proof-section .course-system__evidence-media,
    .course-system__proof-section .course-system__evidence-media video { height: 220px; }
    .course-system__section-head h2 { font-size: 30px; }
    .course-system__section-head > span,
    .course-system__reviews-head > span,
    .course-system__lead { font-size: 17px; }
}

@media (max-width: 760px) {
    .course-system__proof-section .course-system__classroom-stage,
    .course-system__proof-section .course-system__student-stage { padding: 16px; }
    .course-system__proof-section .course-system__evidence-tabs button { min-height: 62px; padding: 13px 16px; }
    .course-system__proof-section .course-system__evidence-tabs button strong { font-size: 15px; }
    .course-system__proof-section .course-system__evidence-media,
    .course-system__proof-section .course-system__evidence-media video { aspect-ratio: 16 / 10; }
    .course-system__proof-section .course-system__classroom-video { width: 154px; min-width: 154px; }
    .course-system__proof-section .course-system__student-copy { display: block; margin-bottom: 12px; }
    .course-system__proof-section .course-system__student-copy h3 { font-size: 20px; }
    .course-system__proof-section .course-system__student-card,
    .course-system__proof-section .course-system__student-placeholder { width: 220px; min-width: 220px; height: 210px; min-height: 210px; }
.course-system__proof-section .course-system__student-gallery { min-height: 210px; }
}

/* Final chapter navigation sizing override. */
.course-system__chapters .about-v5__chapter-inner {
    justify-content: center;
    gap: 46px;
    padding-right: 24px;
    padding-left: 24px;
}
.course-system__chapters .about-v5__chapter-inner a {
    padding: 20px 0 18px;
    color: var(--course-muted);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
}
.course-system__chapters .about-v5__chapter-inner a.is-active { color: var(--course-red); }
@media (max-width: 760px) {
    .course-system__chapters .about-v5__chapter-inner { justify-content: flex-start; gap: 24px; padding-right: 18px; padding-left: 18px; }
    .course-system__chapters .about-v5__chapter-inner a { padding: 16px 0 14px; font-size: 15px; }
}

/* ============================================================
   Managed evidence polish (2026-08): backend-fed review rail,
   multi-clip classroom selector, and a tighter outcomes gallery.
   ============================================================ */
.course-system__why > .w1200 > .course-system__reviews { display: none; }
.course-system__reviews-managed {
    padding: 32px 0 70px;
    background: var(--course-paper);
}
.course-system__reviews-managed .course-system__reviews-head { margin-bottom: 17px; }
.course-system__reviews-managed .course-system__reviews-head h3 { font-size: 32px; font-weight: 800; }
.course-system__reviews-managed .course-system__review-viewport { padding: 8px 0 12px; }
.course-system__reviews-managed .course-system__review-set article {
    position: relative;
    min-height: 188px;
    overflow: hidden;
    cursor: zoom-in;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.course-system__reviews-managed .course-system__review-set article:hover,
.course-system__reviews-managed .course-system__review-set article:focus {
    border-color: rgba(var(--brand-primary-rgb), .3);
    box-shadow: 0 14px 28px rgba(75, 45, 40, .12);
    outline: none;
    transform: translateY(-3px);
}
.course-system__reviews-managed .course-system__review-set article:focus-visible { outline: 2px solid var(--course-red); outline-offset: 3px; }
.course-system__reviews-managed .course-system__review-proof {
    position: absolute;
    z-index: 2;
    inset: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 7px;
    border: 1px solid rgba(var(--brand-primary-rgb), .22);
    border-radius: 7px;
    background: rgba(255, 253, 251, .97);
    box-shadow: 0 12px 26px rgba(75, 45, 40, .16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px) scale(.97);
    transition: opacity .24s ease, transform .24s ease;
}
.course-system__reviews-managed .course-system__review-proof img { display: block; width: 100%; height: 100%; object-fit: contain; }
.course-system__reviews-managed .course-system__review-set article:hover .course-system__review-proof,
.course-system__reviews-managed .course-system__review-set article:focus .course-system__review-proof { opacity: 1; transform: translateY(0) scale(1); }
.course-system__reviews-managed .course-system__review-track.is-paused { animation-play-state: paused; }
.course-system__reviews-managed .course-system__review-set article p {
    display: block;
    overflow: hidden;
    white-space: normal;
    word-break: break-word;
    line-height: 1.6;
}
.course-system__reviews-managed .course-system__review-set article small {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
    max-width: 100%;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(var(--brand-primary-rgb), .08);
    color: var(--course-red-deep);
    line-height: 1.2;
}
.course-system__reviews-managed .course-system__review-set article small::before {
    content: "●";
    color: var(--course-red-bright);
    font-size: 9px;
}

/* Final readability and review-rail overrides. */
.course-system__section-copy-line {
    max-width: none !important;
    white-space: nowrap;
}
.course-system__reviews-managed .course-system__reviews-head h3 {
    white-space: nowrap;
}
.course-system__reviews-managed .course-system__review-set article[tabindex="0"] {
    cursor: zoom-in;
}
.course-system__reviews-managed .course-system__review-proof {
    z-index: 3;
}
@media (max-width: 760px) {
    .course-system__section-copy-line,
    .course-system__reviews-managed .course-system__reviews-head h3 {
        white-space: normal;
    }
}

.course-system__classroom-videos {
    display: flex;
    max-width: 100%;
    margin: 0 0 20px;
    padding: 0 0 12px;
    gap: 8px;
    overflow-x: auto;
    border-bottom: 1px solid var(--course-line);
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-primary-rgb), .28) transparent;
}
.course-system__classroom-video {
    display: flex;
    width: 116px;
    min-width: 116px;
    align-items: center;
    gap: 8px;
    padding: 5px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--course-ink);
    text-align: left;
    cursor: pointer;
    transition: border-color .22s ease, background .22s ease, transform .22s ease;
}
.course-system__classroom-video:hover,
.course-system__classroom-video.is-active { border-color: rgba(var(--brand-primary-rgb), .27); background: rgba(250, 236, 236, .72); transform: translateY(-2px); }
.course-system__classroom-video-thumb { display: grid; width: 42px; height: 48px; flex: 0 0 42px; overflow: hidden; place-items: center; border-radius: 4px; background: #eadbd7; color: var(--course-red); }
.course-system__classroom-video-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.course-system__classroom-video-thumb i { font-style: normal; font-size: 14px; }
.course-system__classroom-video > span:last-child { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.course-system__classroom-video small { overflow: hidden; color: rgba(255,255,255,.68); font-size: 10px; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.course-system__classroom-video b { color: var(--course-red-bright); font-family: Georgia, serif; font-size: 10px; }
.course-system__classroom-video strong { display: -webkit-box; overflow: hidden; color: var(--course-ink); font-size: 10px; line-height: 1.35; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }

.course-system__student-stage { grid-template-columns: minmax(190px, .52fr) minmax(0, 1.48fr); min-height: 420px; gap: 28px; padding: 30px 34px; }
.course-system__student-copy { max-width: 270px; }
.course-system__student-copy h3 { font-size: 25px; }
.course-system__student-gallery { grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, .875fr)); grid-template-rows: repeat(2, 1fr); gap: 10px; min-height: 320px; }
.course-system__student-card, .course-system__student-placeholder { min-height: 0; }
.course-system__student-card--featured { grid-row: span 2; }
.course-system__student-gallery .course-system__student-card:nth-child(2),
.course-system__student-gallery .course-system__student-card:nth-child(3),
.course-system__student-gallery .course-system__student-placeholder { min-height: 155px; }

@media (max-width: 760px) {
    .course-system__reviews-managed { padding: 26px 0 52px; }
    .course-system__reviews-managed .course-system__review-viewport { padding-top: 4px; }
    .course-system__classroom-videos { margin-bottom: 16px; }
    .course-system__classroom-video { width: 126px; min-width: 126px; }
    .course-system__student-stage { grid-template-columns: 1fr; min-height: 0; padding: 24px 18px; }
    .course-system__student-copy { max-width: none; }
    .course-system__student-gallery { min-height: 300px; grid-template-columns: 1.15fr .85fr; grid-template-rows: repeat(2, 145px); }
    .course-system__student-gallery .course-system__student-card:nth-child(2),
    .course-system__student-gallery .course-system__student-card:nth-child(3),
    .course-system__student-gallery .course-system__student-placeholder { min-height: 0; }
}

/* ============================================================
   Final pass (2026-08): proportional page scaling, type polish,
   stronger proof bar with count-up, scroll reveal.
   - Page is fixed-width 1440 design; narrow viewports zoom the
     whole page instead of reflowing (media queries frozen below).
   ============================================================ */

/* 1. slightly tighter hero crop so the photo reads smaller */
.course-system__hero { min-height: 520px; }
.course-system__hero-photo img { object-position: center 45%; }

/* 2. headline typography: tighter tracking, confident weight */
.course-system__hero h1 {
    font-weight: 800;
    letter-spacing: -0.01em;
}
.course-system__eyebrow { letter-spacing: .1em; }
.course-system__lead { line-height: 1.9; }

/* 3. proof bar: bigger, deeper red numbers, roomier labels */
.course-system__proof > div { padding: 18px 24px 20px; }
.course-system__proof strong {
    color: var(--course-red-deep);
    font-size: 36px;
}
.course-system__proof strong small { font-size: 15px; }
.course-system__proof p { margin-top: 8px; font-size: 13px; }

/* 4. scroll reveal (JS adds .is-revealed; html.js guards no-JS) */
html.js .course-system [data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity .8s cubic-bezier(.22, .68, .32, 1),
        transform .8s cubic-bezier(.22, .68, .32, 1);
}
html.js .course-system [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    html.js .course-system [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* 5. freeze the desktop layout: proportional zoom (JS) handles
      smaller viewports, so media-query reflow is disabled here */
@media (max-width: 1439px) {
    .course-system__hero { min-height: 520px; padding-top: 122px; }
    .course-system__hero-photo img { object-position: center 45%; }
    .course-system__hero-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
        gap: 56px;
        width: min(1200px, calc(100% - 48px));
        min-height: 372px;
    }
    .course-system__hero-copy {
        max-width: 660px;
        margin: 0;
        padding-top: 0;
        text-align: left;
    }
    .course-system__hero h1 { font-size: clamp(46px, 5vw, 70px); }
    .course-system__lead { font-size: 18px; margin: 26px 0 0; }
    .course-system__hero-tags { justify-content: flex-start; margin-top: 30px; }
    .course-system__hero-actions { justify-content: flex-start; margin-top: 38px; }
    .course-system__hero-actions a { width: auto; }
    .course-system__proof {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        width: min(1200px, calc(100% - 48px));
        margin: 24px auto 0;
        border-radius: 16px 16px 0 0;
    }
    .course-system__proof > div {
        padding: 18px 24px 20px;
        border-right: 1px solid var(--course-line);
        border-bottom: 0;
    }
    .course-system__proof > div:last-child { border-right: 0; }
    .course-system__proof strong { color: var(--course-red-deep); font-size: 36px; }
    .course-system__proof strong small { font-size: 15px; }
    .course-system__proof p { font-size: 13px; }
    .course-system .about-v5__chapter-inner { justify-content: center; }
}

/* Final evidence layout overrides must stay after the legacy responsive rules. */
.course-system__proof-section .course-system__classroom-stage {
    display: block;
    min-height: 0;
    padding: 24px;
    background: #2f2423;
}
.course-system__proof-section .course-system__evidence-media {
    min-height: 0;
    aspect-ratio: 16 / 8.8;
    border-radius: 9px;
    background: #221b1b;
}
.course-system__proof-section .course-system__evidence-media video { aspect-ratio: 16 / 8.8; }
.course-system__proof-section .course-system__classroom-rail {
    display: block;
    min-height: 0;
    padding: 18px 0 0;
    background: transparent;
}
.course-system__proof-section .course-system__classroom-rail > .course-system__evidence-copy,
.course-system__proof-section .course-system__classroom-steps,
.course-system__proof-section .course-system__asset-slot--classroom { display: none; }
.course-system__proof-section .course-system__classroom-videos {
    margin: 0;
    padding: 0 0 4px;
    border-bottom: 0;
    scrollbar-color: rgba(255,255,255,.35) transparent;
}
.course-system__proof-section .course-system__classroom-video {
    width: 178px;
    min-width: 178px;
    padding: 7px;
    border-color: rgba(255,255,255,.16);
    background: rgba(255,255,255,.07);
    color: #fff;
}
.course-system__proof-section .course-system__classroom-video:hover,
.course-system__proof-section .course-system__classroom-video.is-active {
    border-color: rgba(255,255,255,.82);
    background: rgba(var(--brand-primary-rgb),.78);
    transform: translateY(-2px);
}
.course-system__proof-section .course-system__classroom-video-thumb { width: 64px; height: 48px; flex-basis: 64px; }
.course-system__proof-section .course-system__classroom-video b { color: rgba(255,255,255,.74); }
.course-system__proof-section .course-system__classroom-video strong { color: #fff; }
.course-system__proof-section .course-system__student-stage {
    display: block;
    min-height: 0;
    padding: 24px;
}
.course-system__proof-section .course-system__student-copy {
    display: flex;
    max-width: none;
    align-items: baseline;
    gap: 18px;
    margin-bottom: 18px;
}
.course-system__proof-section .course-system__student-copy h3 { margin: 0; font-size: 24px; }
.course-system__proof-section .course-system__student-copy p,
.course-system__proof-section .course-system__student-metrics { display: none; }
.course-system__proof-section .course-system__student-gallery {
    display: flex;
    min-height: 246px;
    gap: 12px;
    overflow-x: auto;
    padding: 2px 2px 10px;
    scroll-snap-type: x proximity;
}
.course-system__proof-section .course-system__student-card,
.course-system__proof-section .course-system__student-placeholder {
    width: 258px;
    min-width: 258px;
    height: 246px;
    min-height: 246px;
    flex: 0 0 258px;
    scroll-snap-align: start;
}
.course-system__proof-section .course-system__student-card--featured { grid-row: auto; }

@media (max-width: 760px) {
    .course-system__proof-section .course-system__classroom-stage,
    .course-system__proof-section .course-system__student-stage { padding: 16px; }
    .course-system__proof-section .course-system__evidence-media,
    .course-system__proof-section .course-system__evidence-media video { aspect-ratio: 16 / 10; }
    .course-system__proof-section .course-system__classroom-video { width: 154px; min-width: 154px; flex-basis: 154px; }
    .course-system__proof-section .course-system__student-copy { display: block; margin-bottom: 12px; }
    .course-system__proof-section .course-system__student-copy h3 { font-size: 20px; }
    .course-system__proof-section .course-system__student-card,
    .course-system__proof-section .course-system__student-placeholder { width: 220px; min-width: 220px; height: 210px; min-height: 210px; flex-basis: 220px; }
    .course-system__proof-section .course-system__student-gallery { min-height: 210px; }
}

/* Single-line title clamps for the revised copy blocks. */
.course-system__why .course-system__section-head h2,
.course-system__path .course-system__section-head h2,
.course-system__reviews-managed .course-system__reviews-head h3 {
    white-space: nowrap;
}

/* ============================================================
   Mobile reading layout (2026-08-10).
   Desktop remains a fixed canvas; phones use a real responsive
   composition so type stays readable instead of being scaled down.
   ============================================================ */
.course-system__hero h1 span { color: #fff !important; }
.course-system__hero .course-system__eyebrow {
    color: #cbbcff;
    font-size: 12px;
}

.course-system__hero h1 em {
    color: var(--brand-highlight, #d8ccff);
    font-style: normal;
    font-weight: 850;
    text-shadow: 0 4px 22px rgba(0,0,0,.28);
}

.course-system__section-head > p,
.course-system__service-copy > p,
.course-system .about-v5__section-title > div > p {
    font-size: 12px;
}

.course-system__review-set article small,
.course-system__video-meta small {
    font-size: 12px;
}

@media (max-width: 980px) {
    .course-system__hero .course-system__eyebrow {
        font-size: 11px !important;
        letter-spacing: .08em !important;
    }
}

@media (max-width: 980px) {
    html,
    body.page-course-system,
    .about-v5.course-system {
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        overflow-x: clip !important;
    }

    .course-system__hero {
        min-height: 0 !important;
        padding: 55px 0 0 !important;
    }
    .course-system__hero-photo img { object-position: 60% center !important; }
    .course-system__hero-shade {
        background: linear-gradient(90deg, rgba(22, 16, 18, .88) 0%, rgba(22, 16, 18, .62) 66%, rgba(22, 16, 18, .25) 100%) !important;
    }
    .course-system__hero-grid {
        display: block !important;
        width: calc(100% - 36px) !important;
        min-height: 500px !important;
        margin: 0 auto !important;
        padding: 66px 0 34px !important;
    }
    .course-system__hero-copy {
        width: 100% !important;
        max-width: 620px !important;
        margin: 0 !important;
        text-align: left !important;
    }
    .course-system__hero .course-system__eyebrow {
        margin-bottom: 14px !important;
        font-size: 10px !important;
    }
    .course-system__hero h1 {
        font-size: clamp(29px, 8.1vw, 40px) !important;
        line-height: 1.2 !important;
        white-space: nowrap !important;
    }
    .course-system__lead {
        max-width: 560px !important;
        margin-top: 18px !important;
        font-size: 16px !important;
        line-height: 1.75 !important;
    }
    .course-system__hero-tags {
        justify-content: flex-start !important;
        gap: 8px !important;
        margin-top: 22px !important;
    }
    .course-system__hero-tags span { padding: 8px 11px !important; font-size: 12px !important; }
    .course-system__hero-actions {
        justify-content: flex-start !important;
        gap: 10px !important;
        margin-top: 26px !important;
    }
    .course-system__hero-actions a {
        min-width: 0 !important;
        padding: 12px 16px !important;
        font-size: 13px !important;
    }
    .course-system__hero-visual,
    .course-system__hero-doodles { display: none !important; }

    .course-system__proof {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        width: calc(100% - 28px) !important;
        margin: -18px auto 0 !important;
        padding: 10px 12px 12px !important;
        border-radius: 12px 12px 0 0 !important;
    }
    .course-system__proof > div {
        min-width: 0 !important;
        padding: 14px 12px !important;
        border-right: 1px solid var(--course-line) !important;
        border-bottom: 1px solid var(--course-line) !important;
    }
    .course-system__proof > div:nth-child(2n) { border-right: 0 !important; }
    .course-system__proof > div:nth-child(n+3) { border-bottom: 0 !important; }
    .course-system__proof strong { font-size: 30px !important; }
    .course-system__proof strong small { font-size: 13px !important; }
    .course-system__proof p { font-size: 12px !important; line-height: 1.45 !important; }

    .course-system__chapters {
        top: 55px !important;
        overflow-x: auto !important;
        scrollbar-width: none;
    }
    .course-system__chapters::-webkit-scrollbar { display: none; }
    .course-system .about-v5__chapter-inner {
        width: max-content !important;
        min-width: 100% !important;
        justify-content: flex-start !important;
        gap: 28px !important;
        padding: 0 18px !important;
    }
    .course-system__chapters .about-v5__chapter-inner a {
        flex: 0 0 auto !important;
        padding: 16px 0 14px !important;
        font-size: 15px !important;
    }

    .course-system__section,
    .course-system__why,
    .course-system__methods,
    .course-system__path {
        padding: 58px 0 !important;
        scroll-margin-top: 112px !important;
    }
    .course-system__section > .w1200,
    .course-system__section .w1200 {
        width: calc(100% - 36px) !important;
        max-width: none !important;
    }
    .course-system__section-head { margin-bottom: 26px !important; text-align: left !important; }
    .course-system__section-head > p { font-size: 10px !important; }
    .course-system__section-head h2 {
        font-size: 30px !important;
        line-height: 1.32 !important;
        white-space: normal !important;
    }
    .course-system__section-head h2::after { margin: 14px 0 0 !important; }
    .course-system__section-head > span,
    .course-system__reviews-head > span {
        margin-top: 14px !important;
        font-size: 15px !important;
        line-height: 1.7 !important;
    }

    .course-system__reason-grid {
        grid-template-columns: 1fr !important;
        grid-auto-rows: auto !important;
    }
    .course-system__reason-grid article,
    .course-system__reason-grid article:nth-child(odd) {
        min-height: 0 !important;
        padding: 16px 14px !important;
        border-right: 0 !important;
    }
    .course-system__reason-grid article strong,
    .course-system__reason-grid article span { font-size: 14px !important; line-height: 1.6 !important; }
    .course-system__reason-grid article p { white-space: normal !important; }
    .course-system__reason-cta { margin: 26px auto 0 !important; }

    .course-system__reviews-managed { padding: 46px 0 56px !important; }
    .course-system__reviews-managed > .w1200 { width: calc(100% - 36px) !important; }
    .course-system__reviews-head h3 { font-size: 30px !important; }
    .course-system__review-set article {
        width: 280px !important;
        min-width: 280px !important;
        min-height: 158px !important;
        padding: 18px !important;
    }

    .course-system__method-shell {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        height: auto !important;
        min-height: 0 !important;
    }
    .course-system__method-tabs {
        display: flex !important;
        flex-direction: row !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        border-right: 0 !important;
        border-bottom: 1px solid var(--course-line) !important;
        scrollbar-width: none;
    }
    .course-system__method-tabs::-webkit-scrollbar { display: none; }
    .course-system__method-tabs button {
        display: flex !important;
        width: 148px !important;
        min-width: 148px !important;
        min-height: 62px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 2px !important;
        padding: 10px 14px !important;
        border-left: 0 !important;
        border-bottom: 3px solid transparent !important;
        box-shadow: none !important;
    }
    .course-system__method-tabs button.is-active { border-bottom-color: var(--course-red) !important; }
    .course-system__method-tabs button span { font-size: 13px !important; }
    .course-system__method-panels { height: auto !important; }
    .course-system__method-panel {
        min-height: 360px !important;
        padding: 30px 22px 28px !important;
    }
    .course-system__method-panel header h3 { font-size: 30px !important; }
    .course-system__method-copy > div strong { font-size: 17px !important; }
    .course-system__method-copy > div span,
    .course-system__method-copy > p { font-size: 15px !important; }

    .course-system__level-shell {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        height: auto !important;
        min-height: 0 !important;
    }
    .course-system__level-route { display: none !important; }
    .course-system__level-tabs {
        display: flex !important;
        flex-direction: row !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        border-right: 0 !important;
        border-bottom: 1px solid var(--course-line) !important;
        scrollbar-width: none;
    }
    .course-system__level-tabs::-webkit-scrollbar { display: none; }
    .course-system__level-tabs button {
        width: 96px !important;
        min-width: 96px !important;
        flex-direction: column !important;
        align-items: center !important;
        padding: 11px 6px !important;
    }
    .course-system__level-panel {
        height: auto !important;
        min-height: 430px !important;
        padding: 30px 20px 108px !important;
    }
    .course-system__level-panel h3 { font-size: 28px !important; }
    .course-system__level-panel dl { grid-template-columns: 1fr !important; gap: 14px !important; margin-top: 26px !important; }
    .course-system__level-mascot { right: 10px !important; bottom: 8px !important; width: 94px !important; height: 94px !important; }

    .course-system__service-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    .course-system__service-copy { min-height: 280px !important; padding: 0 !important; }
    .course-system__service-copy h2 { font-size: 30px !important; }
    .course-system__service-copy > span { font-size: 15px !important; }
    .course-system__service-copy img { right: 0 !important; width: 130px !important; height: 130px !important; }
    .course-system__service-list { grid-template-columns: 1fr !important; }
    .course-system__service-list article { min-height: 0 !important; padding: 20px !important; }

    .course-system__evidence-shell { width: 100% !important; min-height: 0 !important; }
    .course-system__evidence-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .course-system__evidence-tabs button { min-height: 66px !important; padding: 12px 14px !important; }
    .course-system__classroom-stage,
    .course-system__student-stage {
        display: block !important;
        min-height: 0 !important;
        padding: 16px !important;
    }
    .course-system__proof-section .course-system__evidence-media,
    .course-system__proof-section .course-system__evidence-media video {
        width: 100% !important;
        height: auto !important;
        min-height: 0 !important;
        aspect-ratio: 16 / 10 !important;
    }
    .course-system__classroom-rail { min-height: 0 !important; padding: 14px 0 0 !important; }
    .course-system__classroom-videos { overflow-x: auto !important; }
    .course-system__student-copy { max-width: none !important; margin-bottom: 14px !important; }
    .course-system__student-gallery {
        display: flex !important;
        min-height: 216px !important;
        gap: 10px !important;
        overflow-x: auto !important;
        grid-template-columns: none !important;
        grid-template-rows: none !important;
    }
    .course-system__student-card,
    .course-system__student-placeholder {
        width: 226px !important;
        min-width: 226px !important;
        height: 216px !important;
        min-height: 216px !important;
        flex: 0 0 226px !important;
    }

    .course-system .about-v5__channels .w1200 { width: calc(100% - 36px) !important; }
    .course-system .about-v5__qr-list {
        display: flex !important;
        grid-template-columns: none !important;
        justify-content: flex-start !important;
        gap: 18px !important;
        overflow-x: auto !important;
        padding-bottom: 10px !important;
    }
    .course-system .about-v5__qr-list > div { min-width: 210px !important; }
}

@media (max-width: 420px) {
    .course-system__hero-grid { min-height: 520px !important; padding-top: 58px !important; }
    .course-system__hero h1 { font-size: clamp(27px, 7.6vw, 32px) !important; }
    .course-system__lead { font-size: 15px !important; }
    .course-system__hero-tags span { font-size: 11px !important; }
    .course-system__section-head h2 { font-size: 27px !important; }
}
@media (max-width: 760px) {
    .course-system__why .course-system__section-head h2,
    .course-system__path .course-system__section-head h2,
    .course-system__reviews-managed .course-system__reviews-head h3 {
        white-space: normal;
    }
}

/* ============================================================
   Desktop canvas lock & final production polish (2026-08-08).
   The page is a fixed 1440px PC composition; smaller viewports
   scroll horizontally instead of reflowing into mobile layouts.
   ============================================================ */

/* 1. Keep the 1440px canvas and never clip the right edge */
html.site-fixed-canvas,
html.site-fixed-canvas body.page-course-system,
html.site-fixed-canvas .about-v5.course-system {
    min-width: 1440px;
    overflow-x: auto;
}

html.site-fixed-canvas body.page-course-system,
html.site-fixed-canvas .about-v5.course-system {
    overflow-x: visible;
    max-width: none;
}

/* 2. Typewriter headline must stay on one line */
.course-system__hero h1 {
    font-size: clamp(48px, 4.6vw, 62px);
    white-space: nowrap;
}
.course-system__hero-typed {
    min-width: calc(6em + 12px) !important;
}
.course-system__hero-copy {
    max-width: 720px;
}

/* 3. Proof bar: shorter, larger, deeper red numbers, count-up stays */
.course-system__proof {
    min-height: 0;
    padding: 12px 28px 14px;
    border-radius: 18px 18px 0 0;
}
.course-system__proof > div {
    padding: 12px 24px 14px;
}
.course-system__proof strong {
    color: var(--course-red-deep);
    font-size: 42px;
}
.course-system__proof strong small {
    font-size: 16px;
    color: var(--course-red-deep);
}
.course-system__proof p {
    margin-top: 5px;
    color: var(--course-ink);
    font-size: 15px;
    font-weight: 500;
}

/* 4. Larger chapter navigation */
.course-system__chapters .about-v5__chapter-inner a {
    font-size: 18px;
    padding: 22px 0 19px;
}

/* 5. Method panel: taller, narrower right stage, bigger type */
.course-system__method-shell {
    max-width: 980px;
    height: 520px;
    grid-template-columns: 244px minmax(0, 1fr);
}
.course-system__method-panel {
    padding: 44px 48px 42px;
}
.course-system__method-panel header small {
    font-size: 12px;
}
.course-system__method-panel header h3 {
    font-size: 38px;
}
.course-system__method-copy > div strong {
    font-size: 19px;
}
.course-system__method-copy > div span,
.course-system__method-copy > p {
    font-size: 17px;
}
.course-system__method-tabs button span {
    font-size: 15px;
}

/* 6. Ten reasons: crisper, larger */
.course-system__reason-grid article strong {
    font-size: 18px;
}
.course-system__reason-grid article span {
    font-size: 15px;
}
.course-system__reason-grid article b {
    font-size: 15px;
}

/* 7. Level path: larger, clearer */
.course-system__level-panel h3 {
    font-size: 36px;
}
.course-system__level-summary p {
    font-size: 12px;
}
.course-system__level-panel dt {
    font-size: 16px;
}
.course-system__level-panel dd {
    font-size: 14px;
}

/* 8. Service & evidence readability */
.course-system__service-list b {
    font-size: 19px;
}
.course-system__service-list p {
    font-size: 15px;
}
.course-system__evidence-tabs button strong {
    font-size: 18px;
}
.course-system__evidence-copy h3 {
    font-size: 28px;
}
.course-system__evidence-copy p,
.course-system__classroom-steps strong {
    font-size: 15px;
}

/* 9. Preserve the fixed desktop layout below 1440px, but allow the dedicated
   mobile reading layout to take over at 980px and below. */
@media (min-width: 981px) and (max-width: 1439px) {
    .course-system__hero-grid {
        display: grid !important;
        grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr) !important;
        gap: 56px !important;
        width: min(1200px, calc(100% - 48px)) !important;
        min-height: 372px !important;
    }
    .course-system__hero-copy {
        max-width: 720px !important;
        margin: 0 !important;
        padding-top: 0 !important;
        text-align: left !important;
    }
    .course-system__hero h1 {
        font-size: clamp(48px, 4.6vw, 62px) !important;
        white-space: nowrap !important;
    }
    .course-system__lead {
        font-size: 18px !important;
        margin: 26px 0 0 !important;
    }
    .course-system__hero-tags,
    .course-system__hero-actions {
        justify-content: flex-start !important;
    }
    .course-system__proof {
        display: grid !important;
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
        width: min(1200px, calc(100% - 48px)) !important;
        margin: 24px auto 0 !important;
        border-radius: 18px 18px 0 0 !important;
    }
    .course-system__proof > div {
        padding: 12px 24px 14px !important;
        border-right: 1px solid var(--course-line) !important;
        border-bottom: 0 !important;
    }
    .course-system__reason-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        grid-auto-rows: minmax(88px, 1fr) !important;
    }
    .course-system__reason-grid article,
    .course-system__reason-grid article:nth-child(odd) {
        min-height: 88px !important;
        border-right: 1px solid var(--course-line) !important;
        padding: 16px 20px !important;
    }
    .course-system__reason-grid article:nth-child(even) {
        border-right: 0 !important;
    }
    .course-system__method-shell {
        display: grid !important;
        grid-template-columns: 244px minmax(0, 1fr) !important;
        height: 520px !important;
        max-width: 980px !important;
    }
    .course-system__method-tabs {
        flex-direction: column !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        border-right: 1px solid var(--course-line) !important;
        border-bottom: 0 !important;
    }
    .course-system__method-tabs button {
        width: auto !important;
        min-width: 0 !important;
        min-height: 52px !important;
        flex-direction: row !important;
        text-align: left !important;
        border-left: 3px solid transparent !important;
        border-bottom: 0 !important;
    }
    .course-system__method-tabs button.is-active {
        box-shadow: inset 3px 0 0 var(--course-red) !important;
    }
    .course-system__method-panels {
        height: auto !important;
    }
    .course-system__method-panel {
        padding: 44px 48px 42px !important;
        min-height: 0 !important;
    }
    .course-system__level-shell {
        display: grid !important;
        grid-template-columns: 224px minmax(0, 1fr) !important;
        height: 440px !important;
        max-width: var(--course-content-width) !important;
    }
    .course-system__level-tabs {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: none !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
    }
    .course-system__level-tabs button {
        width: auto !important;
        min-width: 0 !important;
        flex-direction: row !important;
    }
    .course-system__level-panel {
        height: 358px !important;
        min-height: 358px !important;
        padding: 38px 238px 34px 46px !important;
    }
    .course-system__level-panel dl {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
    .course-system__service-grid {
        grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr) !important;
        gap: 76px !important;
    }
    .course-system__evidence-shell {
        width: min(var(--course-content-width), 100%) !important;
    }
    .course-system__classroom-stage {
        grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr) !important;
        min-height: 448px !important;
    }
    .course-system__student-stage {
        grid-template-columns: minmax(230px, .52fr) minmax(0, 1.48fr) !important;
        min-height: 420px !important;
    }
    .course-system__student-gallery {
        display: grid !important;
        grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, .875fr)) !important;
        grid-template-rows: repeat(2, 1fr) !important;
    }
    .course-system .about-v5__chapter-inner {
        justify-content: center !important;
        gap: 46px !important;
        padding-right: 24px !important;
        padding-left: 24px !important;
    }
    .course-system .about-v5__qr-list {
        grid-template-columns: repeat(3, minmax(0, 220px)) !important;
    }
}

/* ============================================================
   Extra desktop-lock reinforcements: section padding and method
   button grid must stay on the PC layout even at narrow widths.
   ============================================================ */
@media (min-width: 981px) and (max-width: 1439px) {
    .course-system__why,
    .course-system__methods,
    .course-system__path {
        padding-top: 76px !important;
        padding-bottom: 76px !important;
    }
    .course-system__section {
        padding: 104px 0 !important;
    }
    .course-system__section-head {
        margin-bottom: 30px !important;
    }
    .course-system__section-head h2 {
        font-size: 36px !important;
    }
    .course-system__section-head > span {
        font-size: 14px !important;
    }
    .course-system__method-tabs button {
        display: grid !important;
        grid-template-columns: 38px minmax(0, 1fr) !important;
    }
}

/* ============================================================
   Method tabs fill: the left rail now stretches to the full panel
   height so there is no empty tail below the last method.
   ============================================================ */
.course-system__method-tabs {
    height: 100%;
    justify-content: space-between;
}
.course-system__method-tabs button {
    flex: 1 1 0 !important;
    min-height: 0 !important;
}

/* ============================================================
   Final tuning pass (2026-08-08):
   - smaller level card, tighter spacing so text never touches the edge
   - subtler chapter nav size
   ============================================================ */

/* 1. subtler chapter nav */
.course-system__chapters .about-v5__chapter-inner a {
    font-size: 16px;
    padding: 20px 0 17px;
}

/* 2. level card compacted */
.course-system__level-shell {
    max-width: 980px;
    height: 390px;
}
.course-system__level-tabs {
    min-height: 86px;
    padding: 10px 0 16px;
}
.course-system__level-tabs button b {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
    font-size: 11px;
}
.course-system__level-tabs button span {
    font-size: 11px;
}
.course-system__level-tabs::before,
.course-system__level-tabs::after {
    top: 28px;
}
.course-system__level-panel {
    height: 320px !important;
    min-height: 320px !important;
    padding: 24px 190px 20px 32px !important;
    border-radius: 14px;
}
.course-system__level-summary p {
    font-size: 11px;
}
.course-system__level-summary p span {
    font-size: 16px;
}
.course-system__level-panel h3 {
    margin: 6px 0 6px;
    font-size: 28px;
}
.course-system__level-panel > div strong {
    padding: 5px 11px;
    font-size: 12px;
}
.course-system__level-panel dl {
    margin-top: 16px;
    gap: 10px 26px;
}
.course-system__level-panel dt {
    font-size: 15px;
}
.course-system__level-panel dd {
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.55;
}
.course-system__level-mascot {
    right: 22px;
    bottom: 0;
    width: 130px;
    height: 130px;
}

/* 3. slightly tighter section rhythm for the denser cards */
.course-system__why,
.course-system__methods,
.course-system__path {
    padding-top: 64px;
    padding-bottom: 64px;
}
.course-system__path-plain {
    margin-bottom: 18px;
}

/* ============================================================
   PROOF SECTION REBUILD v27 (真实现场) — authoritative, wins over
   all earlier evidence/classroom/outcome rules. No section bg;
   simple brand-glory tabs; 3-up video carousel; outcome marquee.
   ============================================================ */
.course-system__proof-section,
.course-system__proof-section .course-system__evidence-shell {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
}
.course-system__proof-section .course-system__evidence-shell { border-radius: 0 !important; overflow: visible !important; }

/* simple, subtle tabs (like homepage 品牌荣光): text + underline, centered */
.course-system__proof-section .course-system__evidence-tabs {
    display: inline-flex !important;
    grid-template-columns: none !important;
    gap: 34px;
    margin: 0 auto 24px;
    padding: 0 !important;
    background: transparent !important;
    border: 0 !important;
    border-bottom: 1px solid var(--course-line) !important;
    border-radius: 0 !important;
}
.course-system__proof-section .course-system__evidence-tabs button {
    position: relative;
    min-height: 0 !important;
    padding: 0 2px 14px !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--course-muted);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: color .22s ease;
}
.course-system__proof-section .course-system__evidence-tabs button > b,
.course-system__proof-section .course-system__evidence-tabs button small,
.course-system__proof-section .course-system__evidence-tabs button > i { display: none !important; }
.course-system__proof-section .course-system__evidence-tabs button::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
    background: var(--course-red); transform: scaleX(0); transition: transform .24s ease;
}
.course-system__proof-section .course-system__evidence-tabs button.is-active { color: var(--course-red); }
.course-system__proof-section .course-system__evidence-tabs button.is-active::after { transform: scaleX(1); }
.course-system__proof-section .course-system__evidence-panels { min-height: 0 !important; }

/* center the tab row */
.course-system__proof-section .course-system__evidence-shell { text-align: center; }
.course-system__proof-section .course-system__evidence-panel { text-align: left; }

/* ---- 真实课堂: 3-up video carousel with side arrows ---- */
.course-system__video-carousel {
    position: relative;
    display: grid;
    grid-template-columns: 46px minmax(0,1fr) 46px;
    gap: 14px;
    align-items: center;
}
.course-system__video-viewport { overflow: hidden; }
.course-system__video-track {
    display: flex;
    gap: 24px;
    transition: transform .5s cubic-bezier(.4,.1,.2,1);
    will-change: transform;
}
.course-system__video-card {
    flex: 0 0 calc((100% - 48px) / 3);
    display: flex;
    flex-direction: column;
    padding: 0;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
}
.course-system__video-thumb {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 14px;
    background: #e9ded9;
    box-shadow: 0 14px 34px rgba(75,45,40,.14);
    transition: transform .3s ease, box-shadow .3s ease;
}
.course-system__video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-system__video-card:hover .course-system__video-thumb { transform: translateY(-4px); box-shadow: 0 22px 46px rgba(75,45,40,.2); }

.course-system__video-play {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    display: grid; place-items: center;
    width: 58px; height: 58px; border-radius: 50%;
    background: rgba(255,255,255,.92); box-shadow: 0 8px 22px rgba(0,0,0,.28);
    transition: transform .28s cubic-bezier(.34,1.5,.5,1), background .28s ease;
}
.course-system__video-card:hover .course-system__video-play { transform: translate(-50%,-50%) scale(1.1); background:#fff; }
.course-system__video-play i { color: var(--course-red); font-size: 20px; font-style: normal; margin-left: 3px; }
.course-system__video-meta { display: flex; flex-direction: column; gap: 3px; padding: 14px 4px 0; }
.course-system__video-meta b { color: var(--course-red); font-family: Georgia, serif; font-size: 13px; font-weight: 700; }
.course-system__video-meta strong { color: var(--course-ink); font-size: 16px; font-weight: 700; line-height: 1.4; }
.course-system__video-meta small { color: var(--course-muted); font-size: 12px; }

.course-system__video-arrow {
    display: grid; place-items: center;
    width: 46px; height: 46px; border-radius: 50%;
    border: 1px solid var(--course-line); background: #fff; color: var(--course-ink);
    font-size: 18px; cursor: pointer;
    transition: border-color .2s ease, background .2s ease, color .2s ease, opacity .2s ease;
}
.course-system__video-arrow:hover { border-color: var(--course-red); background: var(--course-red); color: #fff; }
.course-system__video-arrow[disabled] { opacity: .32; cursor: default; }
.course-system__video-arrow[disabled]:hover { border-color: var(--course-line); background:#fff; color: var(--course-ink); }

/* ---- 学员成果: one-row auto-scroll marquee, no truncation ---- */
.course-system__outcome-viewport {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 0 18px;
    cursor: grab;
    touch-action: pan-y;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-primary-rgb),.34) transparent;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.course-system__outcome-viewport::-webkit-scrollbar { height: 5px; }
.course-system__outcome-viewport::-webkit-scrollbar-track { background: transparent; }
.course-system__outcome-viewport::-webkit-scrollbar-thumb { border-radius: 999px; background: rgba(var(--brand-primary-rgb),.34); }
.course-system__outcome-viewport:focus-visible { outline: 2px solid rgba(var(--brand-primary-rgb),.34); outline-offset: 5px; }
.course-system__outcome-viewport.is-dragging { cursor: grabbing; user-select: none; }
.course-system__outcome-track {
    display: flex; width: max-content; gap: 20px;
    animation: none;
    will-change: auto;
}
.course-system__outcome-set { display: flex; gap: 20px; flex: 0 0 auto; }

.course-system__outcome-card {
    flex: 0 0 auto;
    width: 260px; height: 340px;
    padding: 12px;
    border: 1px solid var(--course-line);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(75,45,40,.1);
    cursor: zoom-in;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.course-system__outcome-card img {
    width: 100%; height: 100%;
    object-fit: contain;      /* never crop — no truncation */
    border-radius: 8px;
    background: #faf6f4;
}
.course-system__outcome-card:hover { transform: translateY(-6px); border-color: rgba(var(--brand-primary-rgb),.3); box-shadow: 0 22px 46px rgba(75,45,40,.18); }

@media (max-width: 760px) {
    .course-system__video-carousel { grid-template-columns: 1fr; }
    .course-system__video-arrow { display: none; }
    .course-system__video-viewport { overflow-x: auto; scrollbar-width: none; }
    .course-system__video-track { transform: none !important; }
    .course-system__video-card { flex: 0 0 78%; }
    .course-system__outcome-card { width: 220px; height: 300px; }
    .course-system__evidence-tabs { gap: 24px; }
}

/* v28: force single-line tab buttons (older rule set display:grid → extra height) */
.course-system__proof-section .course-system__evidence-tabs button {
    display: inline-flex !important;
    align-items: center;
    min-height: 0 !important;
    line-height: 1.2 !important;
    white-space: nowrap;
}

/* v28: refined carousel arrows (SVG chevrons, softer, more considered) */
.course-system__video-arrow {
    width: 48px; height: 48px;
    border: 1px solid var(--course-line);
    background: #fff;
    color: var(--course-ink);
    box-shadow: 0 6px 18px rgba(75,45,40,.1);
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease, transform .2s ease;
}
.course-system__video-arrow svg { display: block; }
.course-system__video-arrow:hover {
    border-color: var(--course-red);
    background: var(--course-red);
    color: #fff;
    box-shadow: 0 10px 24px rgba(var(--brand-primary-rgb),.32);
    transform: translateY(-1px);
}
.course-system__video-arrow[disabled] { opacity: .3; box-shadow: none; transform: none; }

/* v28: 关于厚博 placeholder panel */
.course-system__about-block {
    position: relative;
    padding: 60px 48px;
    border: 1px dashed var(--course-line);
    border-radius: 18px;
    text-align: center;
}
.course-system__about-mascot { width: 96px; height: auto; margin: 0 auto 8px; display: block; }
.course-system__about-eyebrow { color: var(--course-red); font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.course-system__about-block h3 { margin: 8px 0 12px; font-size: 26px; font-weight: 800; color: var(--course-ink); }
.course-system__about-copy { max-width: 560px; margin: 0 auto; color: var(--course-muted); font-size: 15px; line-height: 1.8; }

/* v28: respect reduced-motion for the outcome marquee */
@media (prefers-reduced-motion: reduce) {
    .course-system__outcome-track { animation-play-state: paused !important; }
    .course-system__outcome-viewport { overflow-x: auto; }
}

/* Mobile rails use native inertial scrolling instead of fighting touch input. */
@media (max-width: 760px) {
    .course-system__review-viewport,
    .course-system__outcome-viewport {
        overflow-x: auto !important;
        overflow-y: hidden !important;
        touch-action: pan-x pan-y !important;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
    }
    .course-system__review-viewport { scrollbar-width: none; }
    .course-system__review-viewport::-webkit-scrollbar { display: none; }
    .course-system__review-track { animation: none !important; }
}

/* Last mobile wins: desktop polish rules above must never restore fixed
   heights or two-column shells on a phone. */
@media (max-width: 980px) {
    .course-system__method-shell {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
    }
    .course-system__method-panels {
        position: relative !important;
        height: auto !important;
        min-height: 430px !important;
        overflow: visible !important;
    }
    .course-system__method-panel {
        display: block !important;
        position: relative !important;
        inset: auto !important;
        height: auto !important;
        min-height: 430px !important;
        max-height: none !important;
        overflow: hidden !important;
        padding: 30px 22px 28px !important;
    }
    .course-system__level-shell {
        display: block !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
    }
    .course-system__level-panel {
        display: block !important;
        height: auto !important;
        min-height: 430px !important;
        max-height: none !important;
        overflow: visible !important;
        padding: 30px 20px 108px !important;
    }
    .course-system__level-panel dl { grid-template-columns: 1fr !important; }
}

/* v28 authoritative Level 1-10 progress layout. Keep this final. */
@media (min-width: 981px) {
    .course-system__level-shell {
        display: block !important;
        width: min(var(--course-content-width), 100%) !important;
        max-width: 980px !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
        border: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
    }
    .course-system__level-route { display: flex !important; }
    .course-system__level-tabs {
        position: relative !important;
        display: grid !important;
        grid-template-columns: repeat(10, minmax(0, 1fr)) !important;
        min-height: 104px !important;
        padding: 12px 0 18px !important;
        overflow: visible !important;
        border: 0 !important;
        background: transparent !important;
    }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after {
        display: block !important;
        top: 31px !important;
        left: 5% !important;
        right: auto !important;
        height: 3px !important;
        transform: none !important;
    }
    .course-system__level-tabs::before { width: 90% !important; background: var(--course-line) !important; }
    .course-system__level-tabs::after { width: var(--level-progress, 0%) !important; }
    .course-system__level-tabs button,
    .course-system__level-tabs button:nth-child(n) {
        display: flex !important;
        width: auto !important;
        min-width: 0 !important;
        min-height: 76px !important;
        align-items: center !important;
        flex-direction: column !important;
        gap: 9px !important;
        padding: 0 3px !important;
        transform: none !important;
        border: 0 !important;
        background: transparent !important;
        text-align: center !important;
    }
    .course-system__level-tabs button b {
        width: 42px !important;
        height: 42px !important;
        flex: 0 0 42px !important;
        border: 2px solid var(--course-line) !important;
        border-radius: 50% !important;
        background: var(--course-paper) !important;
    }
    .course-system__level-tabs button.is-past b {
        border-color: rgba(var(--brand-primary-rgb), .35) !important;
        background: var(--course-soft) !important;
        color: var(--course-red) !important;
    }
    .course-system__level-tabs button.is-active b {
        border-color: var(--course-red) !important;
        background: var(--course-red) !important;
        color: #fff !important;
    }
    .course-system__level-tabs button span { font-size: 12px !important; }
    .course-system__level-panel {
        display: block !important;
        height: 320px !important;
        min-height: 320px !important;
        padding: 28px 190px 24px 36px !important;
    }
}

@media (max-width: 980px) {
    .course-system__level-shell {
        display: block !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
        border: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
    }
    .course-system__level-route { display: flex !important; margin-bottom: 4px !important; }
    .course-system__level-tabs {
        position: relative !important;
        display: flex !important;
        width: 100% !important;
        min-height: 108px !important;
        padding: 12px 0 18px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        border: 0 !important;
        background: transparent !important;
        scroll-snap-type: x proximity;
    }
    .course-system__level-tabs::before,
    .course-system__level-tabs::after {
        display: block !important;
        top: 31px !important;
        left: 44px !important;
        right: auto !important;
        height: 3px !important;
        transform: none !important;
    }
    .course-system__level-tabs::before { width: 792px !important; }
    .course-system__level-tabs::after { width: calc(var(--level-step, 0) * 88px) !important; }
    .course-system__level-tabs button,
    .course-system__level-tabs button:nth-child(n) {
        display: flex !important;
        width: 88px !important;
        min-width: 88px !important;
        min-height: 78px !important;
        align-items: center !important;
        flex-direction: column !important;
        gap: 9px !important;
        padding: 0 3px !important;
        transform: none !important;
        border: 0 !important;
        background: transparent !important;
        scroll-snap-align: center;
    }
    .course-system__level-tabs button b {
        width: 42px !important;
        height: 42px !important;
        flex: 0 0 42px !important;
        border-radius: 50% !important;
    }
    .course-system__level-tabs button span { font-size: 12px !important; }
    .course-system__level-panel {
        height: auto !important;
        min-height: 0 !important;
        padding: 28px 20px 100px !important;
        overflow: hidden !important;
    }
    .course-system__level-panel dl {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        margin-top: 24px !important;
        padding-right: 0 !important;
    }
}