:root {
    --sidebar-width: 240px;
    --lab-shell-max: 1760px;
    --lab-shell-gutter: 24px;
    --page-bg: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --line: #e2e8f0;
    --blue: #2563eb;
}

* {
    box-sizing: border-box;
}

html {
    scroll-padding-top: 12px;
}

body:has(.vision-lab) {
    scroll-padding-top: 80px;
}

body.cv-shell {
    min-height: 100vh;
    margin: 0;
    color: var(--text-main);
    font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    width: var(--sidebar-width);
    padding: 14px 14px 12px;
    border-right: 1px solid rgba(226, 232, 240, 0.95);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 18px 0 36px rgba(15, 23, 42, 0.08);
    transform: translateX(0);
    transition: transform 0.22s ease;
}

.sidebar-collapsed .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
}

.sidebar-toggle {
    position: fixed;
    top: 18px;
    left: 18px;
    z-index: 50;
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(203, 213, 225, 0.95);
    border-radius: 12px;
    color: var(--blue);
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
}

.sidebar-brand {
    display: grid;
    gap: 4px;
    margin: 36px 4px 14px;
}

.sidebar-brand span,
.section-label {
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.sidebar-brand strong {
    line-height: 1.35;
    font-size: 17px;
}

.sidebar-category {
    margin: 12px 4px 4px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.sidebar-nav {
    display: grid;
    gap: 4px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding-right: 2px;
}

.sidebar-nav a,
.sidebar-nav span {
    display: block;
    border-radius: 12px;
    padding: 8px 10px;
    color: #475569;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.sidebar-nav a:hover {
    color: var(--blue);
    background: #eff6ff;
}

.sidebar-nav a.active {
    color: #ffffff;
    background: var(--blue);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.22);
}

.sidebar-nav .disabled {
    color: #94a3b8;
    background: #f8fafc;
}

.sidebar-subnav {
    display: grid;
    gap: 4px;
    margin: -2px 0 2px 10px;
    padding-left: 10px;
    border-left: 2px solid #e2e8f0;
}

.sidebar-subnav a {
    padding: 6px 9px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 800;
}

.sidebar-subnav a.active {
    color: #1d4ed8;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px rgba(147, 197, 253, 0.36);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 30;
    background: rgba(15, 23, 42, 0.22);
}

.main-content {
    min-height: 100vh;
    transition: margin-left 0.22s ease;
}

body:not(.sidebar-collapsed) .main-content {
    margin-left: var(--sidebar-width);
}

.content-shell {
    width: min(var(--lab-shell-max), calc(100% - var(--lab-shell-gutter)));
    margin: 0 auto;
    padding: 28px 0 44px;
}

.page-heading,
.home-hero {
    margin-bottom: 18px;
    padding: 22px 24px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
}

.page-heading h1,
.home-hero h1 {
    margin: 4px 0 8px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.05;
}

.page-heading p,
.home-hero p {
    max-width: 820px;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.75;
}

.station-hero.station-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 22px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 18px;
    background:
        radial-gradient(circle at 82% 18%, rgba(37, 99, 235, 0.12), transparent 28%),
        linear-gradient(135deg, #ffffff 0%, #f8fbff 58%, #eef5ff 100%);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
}

.station-hero.station-hero > div:first-child {
    min-width: 0;
}

.station-eyebrow.station-eyebrow {
    color: #1d4ed8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
    font-weight: 950;
}

.station-title.station-title {
    margin: 5px 0 6px;
    color: var(--text-main);
    font-size: clamp(26px, 2.6vw, 36px);
    line-height: 1.12;
    letter-spacing: 0;
}

.station-summary.station-summary {
    max-width: 900px;
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
}

.station-badge.station-badge {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 8px 12px;
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 950;
    white-space: nowrap;
    background: #eff6ff;
}

.station-hero-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.station-tabs.station-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 16px;
    background: #ffffff;
}

.station-tabs.station-tabs :is(a, button, span) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0 16px;
    color: #475569;
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
}

.station-tabs.station-tabs :is(a, button) {
    cursor: pointer;
    background: transparent;
}

.station-tabs.station-tabs :is(a:hover, button:hover, .is-active, .active) {
    border-color: #bfdbfe;
    color: #1d4ed8;
    background: #eff6ff;
}

.home-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.home-card {
    display: grid;
    gap: 12px;
    align-content: start;
    min-height: 230px;
    padding: 22px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
}

.home-card span {
    color: var(--blue);
    font-weight: 900;
}

.home-card h2 {
    margin: 0;
    font-size: 24px;
}

.home-card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.7;
}

.home-card a,
.home-card button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: start;
    border: 0;
    border-radius: 999px;
    padding: 0 18px;
    min-height: 40px;
    line-height: 1;
    color: #ffffff;
    font-weight: 900;
    cursor: pointer;
    text-decoration: none;
    background: var(--blue);
}

.home-card.muted button {
    color: #64748b;
    background: #e2e8f0;
}

.primary-button,
.ghost-button,
.download-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border: 0;
    border-radius: 999px;
    padding: 0 20px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.primary-button {
    color: #ffffff;
    background: linear-gradient(90deg, #2563eb, #4f46e5);
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.28);
}

.ghost-button,
.download-button {
    color: #334155;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: inset 0 0 0 1px rgba(203, 213, 225, 0.88), 0 10px 24px rgba(15, 23, 42, 0.08);
}

.primary-button:hover,
.ghost-button:hover,
.download-button:hover,
.home-card a:hover,
.home-card button:hover {
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    body:not(.sidebar-collapsed) .main-content {
        margin-left: 0;
    }

    .content-shell {
        width: min(100% - 16px, var(--lab-shell-max));
        padding-top: 72px;
    }

    .home-grid {
        grid-template-columns: 1fr;
    }

    .station-hero.station-hero {
        display: grid;
        gap: 10px;
        padding: 16px;
    }

    .station-badge.station-badge {
        justify-self: start;
        min-height: 30px;
        padding: 6px 10px;
        font-size: 10px;
    }

    .station-title.station-title {
        font-size: 26px;
    }

    .station-summary.station-summary {
        font-size: 13px;
    }

    .station-tabs.station-tabs {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .station-tabs.station-tabs::-webkit-scrollbar {
        display: none;
    }

    .station-tabs.station-tabs :is(a, button, span) {
        flex: 0 0 auto;
        min-height: 34px;
        padding: 0 12px;
        white-space: nowrap;
    }
}

/* Home page recreation */
body.home-page-shell {
    --home-blue: #1d5cff;
    --home-blue-2: #2f7bff;
    --home-ink: #071536;
    --home-muted: #566982;
    --home-border: #dce8f8;
    --home-soft: #eef6ff;
    --home-header-height: 70px;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 78% 10%, rgba(91, 149, 255, 0.18), transparent 30%),
        linear-gradient(180deg, #f6faff 0%, #edf5ff 50%, #f7fbff 100%);
}

body.home-page-shell .site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 45;
    display: grid;
    grid-template-columns: minmax(280px, 1fr) auto minmax(180px, 1fr);
    align-items: center;
    height: var(--home-header-height);
    padding: 0 30px 0 24px;
    border-bottom: 1px solid rgba(211, 224, 244, 0.86);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(18px);
}

body.home-page-shell .site-brand {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    min-width: 0;
    color: var(--home-ink);
    text-decoration: none;
}

body.home-page-shell .site-brand-icon {
    display: grid;
    width: 45px;
    height: 45px;
    place-items: center;
    color: var(--home-blue);
}

body.home-page-shell .site-brand-icon img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    display: block;
}

body.home-page-shell .site-brand-text {
    display: grid;
    gap: 2px;
    line-height: 1.1;
}

body.home-page-shell .site-brand-text strong {
    color: var(--home-ink);
    font-size: 22px;
    font-weight: 950;
    letter-spacing: 0;
}

body.home-page-shell .site-brand-text span {
    color: #48617f;
    font-size: 14px;
    font-weight: 650;
}

body.home-page-shell .site-nav {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 38px;
    height: 100%;
}

body.home-page-shell .site-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-width: max-content;
    color: #0c1b3a;
    font-size: 16px;
    font-weight: 850;
    text-decoration: none;
}

body.home-page-shell .site-nav a.active,
body.home-page-shell .site-nav a:hover {
    color: var(--home-blue);
}

body.home-page-shell .site-nav a.active::after {
    content: "";
    position: absolute;
    right: 2px;
    bottom: 8px;
    left: 2px;
    height: 2px;
    border-radius: 999px;
    background: var(--home-blue);
}

body.home-page-shell .github-button {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 36px;
    border: 1px solid #d7e4f5;
    border-radius: 9px;
    padding: 0 15px;
    color: #0c172d;
    font-size: 14px;
    font-weight: 850;
    text-decoration: none;
    background: #ffffff;
    box-shadow: 0 7px 16px rgba(15, 23, 42, 0.04);
}

body.home-page-shell .github-button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

body.home-page-shell .sidebar-toggle {
    top: 86px;
    left: 29px;
    width: 41px;
    height: 41px;
    border-radius: 10px;
    color: var(--home-blue);
    font-size: 19px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.13);
}

body.home-page-shell .main-content {
    padding-top: var(--home-header-height);
}

body.home-page-shell .content-shell {
    width: 100%;
    max-width: none;
    padding: 0 0 18px;
}

.home-page {
    display: flex;
    min-height: calc(100vh - var(--home-header-height) - 18px);
    flex-direction: column;
    color: var(--home-ink);
}

.home-page .home-hero {
    position: relative;
    display: grid;
    flex: 1 0 auto;
    grid-template-columns: minmax(470px, 0.88fr) minmax(760px, 1.38fr);
    align-items: stretch;
    min-height: 329px;
    margin: 0;
    padding: 30px 66px 20px 119px;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background:
        linear-gradient(90deg, rgba(248, 251, 255, 0.98) 0%, rgba(242, 248, 255, 0.95) 43%, rgba(235, 244, 255, 0.9) 100%),
        radial-gradient(circle at 74% 42%, rgba(41, 107, 255, 0.18), transparent 30%);
    box-shadow: none;
}

.home-page .home-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto auto;
    width: 59%;
    height: 100%;
    opacity: 0.55;
    background:
        linear-gradient(120deg, transparent 0 54%, rgba(191, 219, 254, 0.45) 54% 55%, transparent 55%),
        linear-gradient(60deg, transparent 0 64%, rgba(219, 234, 254, 0.55) 64% 65%, transparent 65%),
        repeating-linear-gradient(0deg, rgba(147, 197, 253, 0.16) 0 1px, transparent 1px 50px),
        repeating-linear-gradient(90deg, rgba(147, 197, 253, 0.16) 0 1px, transparent 1px 50px);
    mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 100%);
}

.home-page .home-hero-copy {
    position: relative;
    z-index: 2;
    align-self: center;
    max-width: 610px;
}

.home-page .section-label {
    display: inline-block;
    color: var(--home-blue);
    font-size: 17px;
    font-weight: 950;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.home-page .home-hero h1 {
    margin: 9px 0 8px;
    color: #061335;
    font-size: 58px;
    line-height: 1.06;
    font-weight: 950;
    letter-spacing: 0;
}

.home-page .home-hero-subtitle {
    max-width: none;
    margin: 0 0 13px;
    color: #53677f;
    font-size: 25px;
    line-height: 1.25;
    font-weight: 850;
}

.home-page .home-hero-description {
    max-width: 575px;
    margin: 0;
    color: #52677f;
    font-size: 16px;
    line-height: 1.82;
    font-weight: 650;
}

.home-hero-actions {
    display: flex;
    align-items: center;
    gap: 21px;
    margin-top: 19px;
}

.home-primary-button,
.home-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 49px;
    border-radius: 11px;
    padding: 0 41px;
    font-size: 16px;
    font-weight: 900;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.home-primary-button {
    gap: 9px;
    color: #ffffff;
    background: linear-gradient(180deg, #236dff 0%, #1056e8 100%);
    box-shadow: 0 16px 28px rgba(29, 92, 255, 0.22);
}

.home-secondary-button {
    gap: 12px;
    min-width: 214px;
    color: #1055de;
    border: 1px solid #b6cff8;
    background: rgba(255, 255, 255, 0.92);
}

.home-primary-button:hover,
.home-secondary-button:hover {
    transform: translateY(-1px);
}

.button-node-icon {
    flex: none;
    width: 22px;
    height: 22px;
    color: var(--home-blue);
}

.button-node-icon::before,
.button-node-icon::after {
    content: none;
}

.home-hero-visual {
    position: relative;
    z-index: 1;
    min-height: 270px;
}

.hero-bg-image {
    position: absolute;
    inset: -33px -8px -4px 102px;
    z-index: 0;
    width: calc(100% - 94px);
    height: calc(100% + 52px);
    object-fit: cover;
    object-position: center;
    opacity: 0.95;
    pointer-events: none;
}

.hero-tech-scene {
    position: absolute;
    inset: 0 0 18px 0;
    pointer-events: none;
}

.scene-panel,
.scene-cube,
.scene-wire {
    position: absolute;
    display: block;
}

.scene-panel {
    border: 1px solid rgba(191, 219, 254, 0.52);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.85), rgba(219, 234, 254, 0.28));
    box-shadow: 0 20px 42px rgba(59, 130, 246, 0.1);
    transform: skewY(-23deg) rotate(0.001deg);
}

.scene-panel--left {
    top: 32px;
    left: 335px;
    width: 185px;
    height: 78px;
}

.scene-panel--right {
    top: 17px;
    right: 24px;
    width: 210px;
    height: 88px;
    opacity: 0.75;
}

.scene-cube {
    transform-style: preserve-3d;
    background:
        linear-gradient(135deg, rgba(127, 178, 255, 0.96), rgba(35, 109, 255, 0.95));
    box-shadow: 0 22px 46px rgba(29, 92, 255, 0.2);
}

.scene-cube::before,
.scene-cube::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.22) 0 1px, transparent 1px 22px),
        repeating-linear-gradient(90deg, rgba(7, 21, 54, 0.16) 0 1px, transparent 1px 22px);
}

.scene-cube--main {
    top: 57px;
    right: 210px;
    width: 154px;
    height: 116px;
    border-radius: 5px;
}

.scene-cube--small {
    top: 80px;
    right: 86px;
    width: 42px;
    height: 42px;
    opacity: 0.88;
}

.scene-cube--mini {
    top: 31px;
    right: 380px;
    width: 28px;
    height: 28px;
    opacity: 0.32;
    background: linear-gradient(135deg, #ffffff, #cfe2ff);
}

.scene-wire {
    border: 1px solid rgba(147, 197, 253, 0.48);
    transform: rotate(-24deg);
}

.scene-wire--one {
    top: 22px;
    right: 310px;
    width: 390px;
    height: 1px;
}

.scene-wire--two {
    top: 135px;
    right: 95px;
    width: 535px;
    height: 1px;
}

.hero-flow {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: start;
    column-gap: 28px;
    padding-left: 24px;
}

.flow-step {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 13px;
    min-width: 0;
}

.flow-step strong {
    color: #0d1d3d;
    font-size: 15px;
    line-height: 1.1;
    font-weight: 900;
    white-space: nowrap;
}

.flow-arrow {
    position: absolute;
    top: 36px;
    color: var(--home-blue);
    font-size: 30px;
    font-weight: 500;
    transform: translateX(-19px);
}

.flow-arrow:nth-of-type(1) { left: calc(14.28% + 4px); }
.flow-arrow:nth-of-type(2) { left: calc(28.56% + 4px); }
.flow-arrow:nth-of-type(3) { left: calc(42.84% + 4px); }
.flow-arrow:nth-of-type(4) { left: calc(57.12% + 4px); }
.flow-arrow:nth-of-type(5) { left: calc(71.4% + 4px); }
.flow-arrow:nth-of-type(6) { left: calc(85.68% + 4px); }

.flow-icon {
    position: relative;
    display: block;
    width: 96px;
    height: 101px;
    object-fit: contain;
    overflow: hidden;
    border: 0;
    border-radius: 13px;
    background: transparent;
    box-shadow: none;
}

.flow-icon::before,
.flow-icon::after {
    content: "";
    position: absolute;
    display: block;
}

.flow-icon--pixels::before {
    inset: 15px;
    border: 1px solid #bfd5f5;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(29, 92, 255, 0.18)),
        linear-gradient(180deg, transparent 0 38%, rgba(29, 92, 255, 0.72) 38% 55%, transparent 55%),
        linear-gradient(90deg, transparent 0 42%, rgba(7, 21, 54, 0.28) 42% 58%, transparent 58%),
        repeating-linear-gradient(0deg, transparent 0 11px, rgba(122, 159, 215, 0.5) 11px 12px),
        repeating-linear-gradient(90deg, transparent 0 11px, rgba(122, 159, 215, 0.5) 11px 12px),
        linear-gradient(135deg, #f8fbff, #e4efff);
}

.flow-icon--pixels::after {
    right: 28px;
    bottom: 18px;
    width: 22px;
    height: 22px;
    background: rgba(29, 92, 255, 0.68);
    box-shadow:
        -12px -12px 0 rgba(7, 21, 54, 0.18),
        12px -12px 0 rgba(96, 165, 250, 0.7),
        -12px 0 0 rgba(37, 99, 235, 0.32);
}

.flow-icon--kernel::before {
    inset: 18px;
    background-image: radial-gradient(circle, #10213e 0 4px, transparent 4.8px);
    background-size: 18px 18px;
    background-position: 0 0;
}

.flow-icon--edge {
    display: grid;
    place-items: center;
}

.flow-icon--edge svg {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    padding: 5px;
    fill: none;
    stroke: rgba(230, 241, 255, 0.92);
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
    background:
        radial-gradient(circle at 52% 38%, rgba(255, 255, 255, 0.18), transparent 26%),
        #101b2f;
}

.flow-icon--match::before,
.flow-icon--cnn::before {
    inset: 20px 18px;
    background:
        linear-gradient(36deg, transparent 48%, rgba(29, 92, 255, 0.68) 49% 51%, transparent 52%),
        linear-gradient(-35deg, transparent 48%, rgba(29, 92, 255, 0.56) 49% 51%, transparent 52%),
        linear-gradient(90deg, transparent 48%, rgba(29, 92, 255, 0.5) 49% 51%, transparent 52%),
        radial-gradient(circle at 8% 18%, var(--home-blue) 0 4px, transparent 4.5px),
        radial-gradient(circle at 48% 10%, var(--home-blue) 0 4px, transparent 4.5px),
        radial-gradient(circle at 88% 23%, var(--home-blue) 0 4px, transparent 4.5px),
        radial-gradient(circle at 18% 76%, var(--home-blue) 0 4px, transparent 4.5px),
        radial-gradient(circle at 58% 60%, var(--home-blue) 0 4px, transparent 4.5px),
        radial-gradient(circle at 92% 80%, var(--home-blue) 0 4px, transparent 4.5px);
}

.flow-icon--cnn::before {
    inset: 18px 15px;
    background:
        linear-gradient(24deg, transparent 48%, rgba(29, 92, 255, 0.7) 49% 51%, transparent 52%),
        linear-gradient(-24deg, transparent 48%, rgba(29, 92, 255, 0.55) 49% 51%, transparent 52%),
        linear-gradient(90deg, transparent 48%, rgba(29, 92, 255, 0.5) 49% 51%, transparent 52%),
        radial-gradient(circle at 4% 15%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 5% 50%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 5% 85%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 40% 20%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 40% 50%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 40% 80%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 78% 12%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 78% 38%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 78% 64%, var(--home-blue) 0 3.8px, transparent 4.3px),
        radial-gradient(circle at 78% 90%, var(--home-blue) 0 3.8px, transparent 4.3px);
}

.flow-icon--detect::before {
    inset: 17px 21px;
    border: 2px solid rgba(245, 158, 11, 0.72);
    background:
        linear-gradient(90deg, rgba(16, 185, 129, 0.46), transparent 2px),
        linear-gradient(0deg, rgba(16, 185, 129, 0.46), transparent 2px);
}

.flow-icon--detect::after {
    top: 28px;
    left: 35px;
    width: 30px;
    height: 37px;
    border: 2px solid rgba(29, 92, 255, 0.58);
    background: rgba(255, 183, 77, 0.28);
    box-shadow: 8px 9px 0 rgba(255, 183, 77, 0.16);
}

.flow-icon--globe::before {
    inset: 18px;
    border: 4px solid #4485ff;
    border-radius: 50%;
    background:
        linear-gradient(90deg, transparent 43%, rgba(68, 133, 255, 0.75) 43% 48%, transparent 48% 52%, rgba(68, 133, 255, 0.75) 52% 57%, transparent 57%),
        linear-gradient(0deg, transparent 45%, rgba(68, 133, 255, 0.75) 45% 55%, transparent 55%);
}

.flow-icon--globe::after {
    inset: 27px 14px;
    border-top: 3px solid rgba(68, 133, 255, 0.75);
    border-bottom: 3px solid rgba(68, 133, 255, 0.75);
    border-radius: 50%;
}

.home-panel {
    margin: 0 32px;
    border: 1px solid var(--home-border);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.93);
    box-shadow: 0 15px 34px rgba(15, 23, 42, 0.055);
}

.core-modules {
    padding: 12px 21px 14px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 8px 8px;
    color: #0c1c3e;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 950;
}

.panel-title-icon {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    color: var(--home-blue);
}

.panel-title-icon--grid {
    background:
        radial-gradient(circle at 25% 25%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 75% 25%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 25% 75%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 75% 75%, currentColor 0 3px, transparent 3.5px);
}

.panel-title-icon--grid::before {
    content: "";
    position: absolute;
    inset: 2px;
    border: 2px solid currentColor;
    border-radius: 4px;
}

.panel-title-icon--path::before {
    content: "";
    position: absolute;
    inset: 2px 4px;
    border: 2px solid currentColor;
    border-radius: 4px;
}

.panel-title-icon--path::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 7px;
    width: 6px;
    height: 6px;
    border: 2px solid currentColor;
    border-radius: 3px;
    background: #fff;
}

.panel-title-icon--nodes {
    background:
        radial-gradient(circle at 15% 18%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 80% 18%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 50% 50%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 18% 82%, currentColor 0 3px, transparent 3.5px),
        radial-gradient(circle at 82% 80%, currentColor 0 3px, transparent 3.5px);
}

.panel-title-icon--nodes::before,
.panel-title-icon--nodes::after {
    content: "";
    position: absolute;
    inset: 6px 3px;
    border-top: 2px solid currentColor;
    transform: rotate(35deg);
}

.panel-title-icon--nodes::after {
    transform: rotate(-35deg);
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px 28px;
}

.module-card {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    min-height: 142px;
    height: 100%;
    padding: 10px 20px 8px;
    border: 1px solid #d8e5f6;
    border-radius: 12px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    box-shadow: 0 10px 21px rgba(15, 23, 42, 0.065);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.module-card--learned {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(180deg, #ffffff 0%, #f5fff9 100%);
    box-shadow: 0 10px 23px rgba(22, 163, 74, 0.08);
}

.module-card--clickable {
    cursor: pointer;
}

.module-card--clickable:hover,
.module-card--clickable:focus-visible {
    border-color: rgba(29, 92, 255, 0.36);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.11);
}

.module-card--clickable:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.22);
    outline-offset: 3px;
}

.module-card-head {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 12px;
    min-height: 34px;
}

.module-number {
    color: var(--home-blue);
    font-size: 28px;
    line-height: 1;
    font-weight: 950;
    letter-spacing: 0;
}

.module-card h3 {
    margin: 0 0 3px;
    color: #102246;
    font-size: 16px;
    line-height: 1.25;
    font-weight: 950;
}

.module-card p {
    margin: 0;
    color: #586e88;
    font-size: 13px;
    line-height: 1.35;
    font-weight: 650;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.module-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 6px;
}

.module-status {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    border-radius: 6px;
    padding: 0 8px;
    font-size: 11px;
    line-height: 1;
    font-weight: 900;
}

.module-status--done {
    color: #14a15b;
    background: #ddf8e9;
}

.module-status--pending {
    color: #0f172a;
    background: #f1f5f9;
}

.module-status--planned {
    color: #f08a17;
    background: #fff0d9;
}

.module-action {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 22px;
    color: var(--home-blue);
    font-size: 12px;
    font-weight: 950;
    text-decoration: none;
    white-space: nowrap;
}

.module-action--disabled {
    color: #1d6bea;
    opacity: 0.78;
    cursor: default;
}

.module-mini-icon,
.path-icon {
    position: relative;
    display: inline-block;
    flex: 0 0 auto;
    overflow: hidden;
}

.module-mini-icon {
    width: 44px;
    height: 44px;
}

.path-icon {
    width: 21px;
    height: 21px;
    vertical-align: -5px;
}

.module-mini-icon::before,
.module-mini-icon::after,
.path-icon::before,
.path-icon::after {
    content: "";
    position: absolute;
    display: block;
}

.mini-icon--cube::before {
    inset: 6px;
    background:
        linear-gradient(30deg, #1d4ed8 0 35%, transparent 35%),
        linear-gradient(150deg, #60a5fa 0 35%, transparent 35%),
        linear-gradient(225deg, #0f2548 0 35%, transparent 35%),
        linear-gradient(315deg, #dbeafe 0 35%, transparent 35%),
        #93c5fd;
    clip-path: polygon(50% 0, 92% 22%, 92% 72%, 50% 100%, 8% 72%, 8% 22%);
}

.mini-icon--kernel::before {
    inset: 4px;
    border-radius: 8px;
    background:
        radial-gradient(circle, #081a34 0 3.5px, transparent 4px) 0 0 / 14px 14px,
        linear-gradient(135deg, #eef6ff, #dbeafe);
}

.mini-icon--edge::before {
    inset: 2px;
    border-radius: 7px;
    background: #101b2f;
}

.mini-icon--edge::after {
    inset: 8px 9px;
    border: 1.8px solid rgba(230, 241, 255, 0.92);
    border-right-color: transparent;
    border-radius: 50% 42% 54% 38%;
    transform: rotate(-18deg);
}

.mini-icon--match::before,
.mini-icon--cnn::before {
    inset: 3px;
    background:
        linear-gradient(35deg, transparent 47%, #2f7bff 48% 51%, transparent 52%),
        linear-gradient(-35deg, transparent 47%, rgba(47, 123, 255, 0.72) 48% 51%, transparent 52%),
        radial-gradient(circle at 16% 20%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 78% 20%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 45% 51%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 18% 82%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 82% 80%, #1d5cff 0 3px, transparent 3.5px);
}

.mini-icon--cnn::before {
    inset: 0;
    background:
        linear-gradient(24deg, transparent 48%, #2f7bff 49% 51%, transparent 52%),
        linear-gradient(-24deg, transparent 48%, rgba(47, 123, 255, 0.72) 49% 51%, transparent 52%),
        radial-gradient(circle at 12% 16%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 12% 50%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 12% 84%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 50% 22%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 50% 50%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 50% 78%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 86% 20%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 86% 50%, #1d5cff 0 3px, transparent 3.5px),
        radial-gradient(circle at 86% 80%, #1d5cff 0 3px, transparent 3.5px);
}

.mini-icon--detect::before {
    inset: 6px;
    border: 2px solid #2f7bff;
    box-shadow:
        -3px -3px 0 -1px #ffffff,
        5px 5px 0 -1px rgba(29, 92, 255, 0.18);
}

.mini-icon--detect::after {
    top: 14px;
    right: 10px;
    width: 15px;
    height: 13px;
    background: #1d5cff;
}

.mini-icon--segment::before {
    inset: 8px 4px 7px 3px;
    border-radius: 42% 45% 38% 46%;
    background:
        radial-gradient(circle at 28% 34%, #34d399 0 12px, transparent 12px),
        radial-gradient(circle at 62% 35%, #a78bfa 0 13px, transparent 13px),
        radial-gradient(circle at 48% 70%, #f59e0b 0 14px, transparent 14px),
        #bfdbfe;
    opacity: 0.86;
}

.mini-icon--tasks::before {
    inset: 4px;
    background:
        linear-gradient(90deg, #2f7bff 2px, transparent 2px) 15px 12px / 2px 12px no-repeat,
        linear-gradient(0deg, #2f7bff 2px, transparent 2px) 8px 12px / 16px 2px no-repeat,
        linear-gradient(90deg, #2f7bff 2px, transparent 2px) 7px 12px / 2px 12px no-repeat,
        linear-gradient(90deg, #2f7bff 2px, transparent 2px) 23px 12px / 2px 12px no-repeat;
}

.mini-icon--tasks::after {
    inset: 0;
    background:
        radial-gradient(circle at 50% 24%, #1d5cff 0 3.5px, transparent 4px),
        radial-gradient(circle at 24% 76%, #1d5cff 0 3.5px, transparent 4px),
        radial-gradient(circle at 50% 76%, #1d5cff 0 3.5px, transparent 4px),
        radial-gradient(circle at 76% 76%, #1d5cff 0 3.5px, transparent 4px);
}

.mini-icon--pose::before {
    inset: 4px;
    background:
        linear-gradient(62deg, transparent 45%, #16b5d9 46% 51%, transparent 52%) 10px 17px / 12px 18px no-repeat,
        linear-gradient(-62deg, transparent 45%, #16b5d9 46% 51%, transparent 52%) 20px 17px / 12px 18px no-repeat,
        linear-gradient(28deg, transparent 46%, #2f7bff 47% 52%, transparent 53%) 8px 8px / 16px 14px no-repeat,
        linear-gradient(-28deg, transparent 46%, #2f7bff 47% 52%, transparent 53%) 20px 8px / 16px 14px no-repeat,
        linear-gradient(90deg, transparent 46%, #2f7bff 47% 53%, transparent 54%) 18px 7px / 8px 22px no-repeat;
}

.mini-icon--pose::after {
    inset: 0;
    background:
        radial-gradient(circle at 50% 14%, #f59e0b 0 3.8px, transparent 4.2px),
        radial-gradient(circle at 33% 36%, #1d5cff 0 3.2px, transparent 3.8px),
        radial-gradient(circle at 67% 36%, #1d5cff 0 3.2px, transparent 3.8px),
        radial-gradient(circle at 50% 54%, #0ea5e9 0 3.2px, transparent 3.8px),
        radial-gradient(circle at 34% 88%, #64748b 0 3px, transparent 3.5px),
        radial-gradient(circle at 66% 88%, #64748b 0 3px, transparent 3.5px);
}

.mini-icon--instance::before {
    inset: 4px;
    border: 1.5px dashed #2f7bff;
    border-radius: 4px;
}

.mini-icon--instance::after {
    inset: 0;
    background:
        radial-gradient(circle at 38% 44%, rgba(52, 211, 153, 0.75) 0 8px, transparent 8.5px),
        radial-gradient(circle at 62% 60%, rgba(245, 158, 11, 0.75) 0 9px, transparent 9.5px);
}

.mini-icon--globe::before {
    inset: 4px;
    border: 3px solid #2f7bff;
    border-radius: 50%;
    background:
        linear-gradient(90deg, transparent 43%, #2f7bff 43% 48%, transparent 48% 52%, #2f7bff 52% 57%, transparent 57%),
        linear-gradient(0deg, transparent 45%, #2f7bff 45% 55%, transparent 55%);
}

.mini-icon--globe::after {
    inset: 12px 1px;
    border-top: 2px solid #2f7bff;
    border-bottom: 2px solid #2f7bff;
    border-radius: 50%;
}

.home-lower-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.49fr) minmax(440px, 0.99fr);
    align-items: stretch;
    gap: 12px;
    margin: 10px 32px 0;
}

.home-lower-grid .home-panel {
    margin: 0;
    height: 100%;
}

.learning-path,
.graph-entry {
    padding: 12px 22px 14px;
}

.graph-entry {
    display: flex;
    flex-direction: column;
}

.path-selector-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 10px;
}

.path-selector-card {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    border: 1px solid var(--path-border, #e2edf8);
    border-radius: 12px;
    padding: 10px 14px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.path-selector-card:hover {
    border-color: var(--path-accent);
    box-shadow: 0 6px 16px var(--path-shadow, rgba(15, 23, 42, 0.05));
    transform: translateY(-1px);
}

.path-selector-card.is-active {
    border-color: var(--path-accent);
    background: var(--path-active-bg);
    box-shadow: inset 0 0 0 1px var(--path-accent), 0 6px 16px var(--path-shadow);
}

.path-selector-badge {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    background: var(--path-accent-grad);
    box-shadow: 0 3px 8px var(--path-accent-alpha);
    flex-shrink: 0;
}

.path-selector-badge svg {
    width: 18px;
    height: 18px;
}

.path-selector-info {
    flex: 1;
    min-width: 0;
}

.path-selector-info h3 {
    margin: 0 0 2px;
    color: #0f172a;
    font-size: 13.5px;
    font-weight: 900;
}

.path-selector-info p {
    margin: 0;
    color: #64748b;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.path-selector-status {
    font-size: 11px;
    font-weight: 850;
    color: #94a3b8;
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.path-selector-card:hover .path-selector-status {
    color: var(--path-accent);
    background: var(--path-active-bg);
}

.path-selector-card.is-active .path-selector-status {
    color: #ffffff;
    background: var(--path-accent);
}

/* 路线颜色配置 */
.path-selector-card[data-path-color="blue"] {
    --path-accent: #2563eb;
    --path-accent-alpha: rgba(37, 99, 235, 0.2);
    --path-accent-grad: linear-gradient(135deg, #3b82f6, #1d4ed8);
    --path-border: #e2edf8;
    --path-shadow: rgba(37, 99, 235, 0.08);
    --path-active-bg: #eff6ff;
}

.path-selector-card[data-path-color="purple"] {
    --path-accent: #7c3aed;
    --path-accent-alpha: rgba(124, 58, 237, 0.2);
    --path-accent-grad: linear-gradient(135deg, #8b5cf6, #6d28d9);
    --path-border: #ede9fe;
    --path-shadow: rgba(124, 58, 237, 0.08);
    --path-active-bg: #f5f3ff;
}

/* 核心模块卡片联动高亮样式 */
.module-grid.has-active-path .module-card {
    opacity: 0.35;
    filter: grayscale(40%);
    transform: scale(0.98);
    transition: all 0.25s ease;
}

.module-grid.has-active-path .module-card.is-path-highlight {
    opacity: 1;
    filter: none;
    transform: scale(1.02);
    border-color: var(--highlight-color, #2563eb);
    box-shadow: 0 12px 28px var(--highlight-shadow, rgba(37, 99, 235, 0.12));
}

.module-grid.has-active-path .module-card.is-path-highlight[data-learn-module="classification-lab"],
.module-grid.has-active-path .module-card.is-path-highlight[data-learn-module="segmentation-basic"],
.module-grid.has-active-path .module-card.is-path-highlight[data-learn-module="object-detection"],
.module-grid.has-active-path .module-card.is-path-highlight[data-learn-module="segmentation-lab"] {
    /* 保持原有强调色 */
}

.graph-entry-card {
    display: grid;
    flex: 1;
    grid-template-columns: minmax(0, 0.86fr) minmax(270px, 1fr);
    align-items: center;
    min-height: 170px;
    border: 1px solid #e2edf8;
    border-radius: 11px;
    padding: 12px 18px;
    background: linear-gradient(90deg, #ffffff 0%, #f8fbff 100%);
}

.graph-entry-card h3 {
    margin: 0 0 4px;
    color: #0c1c3e;
    font-size: 18px;
    line-height: 1.2;
    font-weight: 950;
}

.graph-entry-card p {
    max-width: 455px;
    margin: 0 0 8px;
    color: #52677f;
    font-size: 13px;
    line-height: 1.45;
    font-weight: 650;
}

.graph-button {
    min-height: 31px;
    border-radius: 7px;
    padding: 0 18px;
    font-size: 13px;
    box-shadow: 0 10px 18px rgba(29, 92, 255, 0.18);
}

.graph-illustration {
    position: relative;
    justify-self: end;
    width: min(100%, 350px);
    height: auto;
}

.graph-node {
    position: absolute;
    z-index: 2;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #1d5cff;
    box-shadow: 0 0 0 3px rgba(29, 92, 255, 0.08);
}

.graph-node--one { top: 24px; left: 16px; background: #0b1b3d; }
.graph-node--two { top: 51px; left: 35px; background: #6cc7d8; }
.graph-node--three { top: 16px; left: 69px; background: #5ec0d1; }
.graph-node--four { top: 61px; left: 82px; background: #0b1b3d; }
.graph-node--five { top: 7px; right: 58px; background: #b9cff7; }
.graph-node--six { top: 40px; right: 31px; background: #5ec0d1; }
.graph-node--seven { bottom: 8px; right: 15px; background: #1d5cff; }

.graph-line {
    position: absolute;
    z-index: 1;
    display: block;
    height: 1.5px;
    transform-origin: left center;
    background: rgba(84, 117, 178, 0.46);
}

.graph-line--one { top: 30px; left: 24px; width: 50px; transform: rotate(-11deg); }
.graph-line--two { top: 56px; left: 42px; width: 48px; transform: rotate(9deg); }
.graph-line--three { top: 24px; left: 76px; width: 47px; transform: rotate(-24deg); }
.graph-line--four { top: 46px; left: 88px; width: 60px; transform: rotate(18deg); }

@media (max-width: 1320px) {
    body.home-page-shell .site-nav {
        gap: 22px;
    }

    .home-page .home-hero {
        grid-template-columns: minmax(390px, 0.82fr) minmax(620px, 1.18fr);
        padding-right: 36px;
        padding-left: 100px;
    }

    .home-page .home-hero h1 {
        font-size: 48px;
    }

    .module-grid {
        gap: 12px;
    }

    .module-card {
        padding-inline: 14px;
    }
}

@media (max-width: 1120px) {
    body.home-page-shell .site-header {
        grid-template-columns: auto 1fr auto;
    }

    body.home-page-shell .site-nav {
        justify-content: flex-end;
        gap: 14px;
    }

    body.home-page-shell .site-nav a {
        font-size: 14px;
    }

    .home-page .home-hero {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 32px 28px 26px 86px;
    }

    .home-hero-visual {
        min-height: 185px;
    }

    .hero-flow {
        position: relative;
        column-gap: 14px;
        padding-left: 0;
    }

    .flow-icon {
        width: 78px;
        height: 82px;
    }

    .flow-step strong {
        font-size: 12px;
    }

    .flow-arrow {
        display: none;
    }

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

    .home-lower-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    body.home-page-shell .site-header {
        grid-template-columns: 1fr auto;
        height: auto;
        min-height: 68px;
        padding: 10px 16px;
    }

    body.home-page-shell .site-brand-text strong {
        font-size: 18px;
    }

    body.home-page-shell .site-brand-text span {
        font-size: 12px;
    }

    body.home-page-shell .site-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        gap: 20px;
        order: 3;
        height: 36px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    body.home-page-shell .site-nav::-webkit-scrollbar {
        display: none;
    }

    body.home-page-shell .github-button {
        min-height: 32px;
        padding-inline: 10px;
        font-size: 12px;
    }

    body.home-page-shell .main-content {
        padding-top: 104px;
    }

    body.home-page-shell .content-shell {
        width: 100%;
        padding-top: 0;
    }

    body.home-page-shell .sidebar-toggle {
        top: 116px;
        left: 16px;
    }

    .home-page .home-hero {
        min-height: 0;
        padding: 24px 16px 24px 70px;
    }

    .home-page .section-label {
        font-size: 13px;
    }

    .home-page .home-hero h1 {
        font-size: 38px;
    }

    .home-page .home-hero-subtitle {
        font-size: 19px;
    }

    .home-page .home-hero-description {
        font-size: 14px;
        line-height: 1.65;
    }

    .home-hero-actions {
        flex-wrap: wrap;
        gap: 10px;
    }

    .home-primary-button,
    .home-secondary-button {
        min-height: 42px;
        padding-inline: 20px;
        font-size: 14px;
    }

    .hero-flow {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        row-gap: 12px;
    }

    .home-panel,
    .home-lower-grid {
        margin-inline: 12px;
    }

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

    .home-lower-grid {
        display: grid;
        margin-top: 12px;
    }

    .graph-entry-card {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .graph-illustration {
        justify-self: start;
    }
}

@media (max-width: 560px) {
    body.home-page-shell .site-brand-icon {
        width: 36px;
        height: 36px;
    }

    body.home-page-shell .site-brand-icon img {
        width: 36px;
        height: 36px;
    }

    body.home-page-shell .site-brand-text strong {
        font-size: 16px;
    }

    body.home-page-shell .github-button {
        padding-inline: 8px;
    }

    .home-page .home-hero {
        padding-left: 16px;
        padding-top: 72px;
    }

    .home-page .home-hero h1 {
        font-size: 32px;
    }

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

    .module-grid {
        grid-template-columns: 1fr;
    }

    .module-card {
        min-height: 150px;
    }
}

/* Home information architecture */
.learning-domains,
.featured-modules {
    padding: 12px 21px 14px;
}

@media (min-width: 1121px) {
    .home-page .home-hero {
        grid-template-columns: minmax(430px, 0.82fr) minmax(700px, 1.38fr);
        min-height: 286px;
        padding: 24px 54px 16px 100px;
    }

    .home-page .home-hero h1 {
        font-size: 52px;
    }

    .home-page .home-hero-subtitle {
        font-size: 23px;
    }

    .home-page .home-hero-description {
        font-size: 15px;
        line-height: 1.65;
    }

    .home-hero-actions {
        margin-top: 17px;
    }

    .hero-flow {
        column-gap: 22px;
    }

    .flow-icon {
        width: 82px;
        height: 86px;
    }

    .flow-step {
        gap: 9px;
    }

    .flow-step strong {
        font-size: 13px;
    }

    .flow-arrow {
        top: 30px;
        font-size: 25px;
    }
}

.learning-domains {
    margin-top: 0;
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.domain-card {
    --domain-accent: var(--home-blue);
    --domain-soft: #eff6ff;
    --domain-border: #cfe0ff;
    position: relative;
    display: grid;
    grid-template-rows: auto auto auto 1fr auto;
    min-height: 150px;
    padding: 13px 16px 12px;
    overflow: hidden;
    border: 1px solid var(--domain-border);
    border-radius: 12px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, var(--domain-soft) 100%);
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.055);
}

.domain-card::after {
    content: "";
    position: absolute;
    right: -26px;
    bottom: -34px;
    width: 112px;
    height: 112px;
    border: 18px solid color-mix(in srgb, var(--domain-accent) 18%, transparent);
    border-radius: 50%;
    pointer-events: none;
}

.domain-card--basic {
    --domain-accent: #1d5cff;
    --domain-soft: #f4f8ff;
    --domain-border: #b9d2ff;
}

.domain-card--deep {
    --domain-accent: #18a058;
    --domain-soft: #f2fff8;
    --domain-border: #bcebd2;
}

.domain-card--geometry {
    --domain-accent: #7c3aed;
    --domain-soft: #f7f3ff;
    --domain-border: #dac7ff;
}

.domain-card--frontier {
    --domain-accent: #f97316;
    --domain-soft: #fff8f1;
    --domain-border: #fed7aa;
}

.domain-card-head,
.directory-domain-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.domain-number {
    display: inline-grid;
    width: 44px;
    height: 36px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    font-size: 19px;
    line-height: 1;
    font-weight: 950;
    background: linear-gradient(135deg, color-mix(in srgb, var(--domain-accent) 88%, #ffffff), var(--domain-accent));
    box-shadow: 0 12px 20px color-mix(in srgb, var(--domain-accent) 18%, transparent);
}

.domain-icon {
    position: relative;
    display: inline-block;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    color: var(--domain-accent);
    overflow: hidden;
}

.domain-icon::before,
.domain-icon::after {
    content: "";
    position: absolute;
    display: block;
}

.domain-card h3 {
    margin: 8px 0 3px;
    color: #102246;
    font-size: 17px;
    line-height: 1.25;
    font-weight: 950;
}

.domain-card p {
    display: -webkit-box;
    margin: 0 0 9px;
    color: #54677d;
    font-size: 12px;
    line-height: 1.35;
    font-weight: 650;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.domain-tags {
    display: flex;
    align-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 6px 7px;
    min-height: 44px;
}

.domain-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    border-radius: 6px;
    padding: 0 8px;
    color: color-mix(in srgb, var(--domain-accent) 78%, #102246);
    font-size: 11px;
    line-height: 1;
    font-weight: 850;
    background: color-mix(in srgb, var(--domain-accent) 9%, #ffffff);
}

.domain-link {
    position: relative;
    z-index: 1;
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 9px;
    color: var(--domain-accent);
    font-size: 12px;
    font-weight: 950;
    text-decoration: none;
}

.featured-modules {
    margin-top: 10px;
}

.featured-module-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px 18px;
}

.featured-module-grid .module-card {
    min-height: 110px;
    padding: 10px 16px 9px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.045);
}

.featured-module-grid .module-card-head {
    min-height: 28px;
}

.featured-module-grid .module-mini-icon {
    width: 30px;
    height: 30px;
}

.featured-module-grid .module-card h3 {
    font-size: 15px;
}

.featured-module-grid .module-card p {
    font-size: 12px;
    line-height: 1.3;
}

.featured-module-grid .module-card p {
    -webkit-line-clamp: 2;
}

.path-summary-panel {
    min-height: 0;
}

.path-summary-list {
    display: grid;
    gap: 4px;
    margin-top: 6px;
}

.path-summary-card {
    --path-accent: var(--home-blue);
    display: grid;
    grid-template-columns: 36px minmax(124px, 0.33fr) minmax(0, 1fr) 18px;
    align-items: center;
    gap: 10px;
    min-height: 34px;
    border: 1px solid color-mix(in srgb, var(--path-accent) 15%, #e2edf8);
    border-radius: 9px;
    padding: 3px 9px;
    color: #102246;
    text-decoration: none;
    background: linear-gradient(90deg, #ffffff 0%, color-mix(in srgb, var(--path-accent) 4%, #ffffff) 100%);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.path-summary-card:hover {
    border-color: color-mix(in srgb, var(--path-accent) 42%, #dbeafe);
    box-shadow: 0 10px 20px color-mix(in srgb, var(--path-accent) 10%, transparent);
    transform: translateY(-1px);
}

.path-summary-card--classic {
    --path-accent: #2563eb;
}

.path-summary-card--deep {
    --path-accent: #10a66a;
}

.path-summary-card--geometry {
    --path-accent: #7c3aed;
}

.path-summary-card--frontier {
    --path-accent: #f97316;
}

.path-summary-icon {
    display: grid;
    width: 27px;
    height: 27px;
    place-items: center;
    border-radius: 7px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 950;
    background: var(--path-accent);
}

.path-summary-card strong {
    min-width: 0;
    color: #102246;
    font-size: 12px;
    line-height: 1.1;
    font-weight: 950;
}

.path-summary-steps {
    min-width: 0;
    overflow: hidden;
    color: #4e647d;
    font-size: 11px;
    line-height: 1.2;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.path-summary-steps b {
    margin: 0 4px;
    color: var(--path-accent);
}

.path-summary-arrow {
    justify-self: end;
    color: #0d1d3d;
    font-size: 21px;
    line-height: 1;
}

.learning-path-page {
    gap: 14px;
    padding: 18px 32px 24px;
}

.learning-path-page .home-panel {
    margin: 0;
}

.learning-directory-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: 30px 34px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(239, 246, 255, 0.95) 100%),
        radial-gradient(circle at 92% 22%, rgba(29, 92, 255, 0.16), transparent 26%);
}

.learning-directory-hero h1 {
    margin: 8px 0 8px;
    color: #061335;
    font-size: 44px;
    line-height: 1.08;
    font-weight: 950;
    letter-spacing: 0;
}

.learning-directory-hero p {
    max-width: 760px;
    margin: 0;
    color: #52677f;
    font-size: 16px;
    line-height: 1.65;
    font-weight: 650;
}

.learning-directory-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.learning-route-panel,
.directory-domain {
    padding: 18px 22px 20px;
}

.route-map {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.route-card {
    --route-accent: var(--home-blue);
    min-height: 96px;
    border: 1px solid color-mix(in srgb, var(--route-accent) 18%, #e2edf8);
    border-radius: 12px;
    padding: 14px 16px;
    background: linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--route-accent) 5%, #ffffff) 100%);
}

.route-card--classic {
    --route-accent: #2563eb;
}

.route-card--deep {
    --route-accent: #10a66a;
}

.route-card--geometry {
    --route-accent: #7c3aed;
}

.route-card--frontier {
    --route-accent: #f97316;
}

.route-card h3 {
    margin: 0 0 8px;
    color: #102246;
    font-size: 16px;
    line-height: 1.25;
    font-weight: 950;
}

.route-card p {
    margin: 0;
    color: #52677f;
    font-size: 13px;
    line-height: 1.55;
    font-weight: 700;
}

.learning-directory-grid {
    display: grid;
    gap: 14px;
}

.directory-domain {
    scroll-margin-top: calc(var(--home-header-height) + 16px);
}

.directory-domain--basic {
    --domain-accent: #1d5cff;
}

.directory-domain--deep {
    --domain-accent: #18a058;
}

.directory-domain--geometry {
    --domain-accent: #7c3aed;
}

.directory-domain--frontier {
    --domain-accent: #f97316;
}

.directory-domain-head {
    justify-content: flex-start;
    margin-bottom: 14px;
}

.directory-domain-head h2 {
    margin: 0 0 3px;
    color: #102246;
    font-size: 21px;
    line-height: 1.2;
    font-weight: 950;
}

.directory-domain-head p {
    margin: 0;
    color: #5b718a;
    font-size: 13px;
    line-height: 1.4;
    font-weight: 700;
}

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

.catalog-module-card {
    min-height: 118px;
    padding: 14px 16px 12px;
}

.catalog-module-card h3 {
    margin-bottom: 6px;
}

.catalog-module-card p {
    -webkit-line-clamp: 2;
}

.catalog-module-card .module-action--disabled {
    color: #64748b;
}

@media (max-width: 1320px) {
    .domain-grid,
    .route-map {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 1120px) {
    .featured-module-grid,
    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .path-summary-card {
        grid-template-columns: 38px minmax(0, 1fr) 20px;
    }

    .path-summary-steps {
        grid-column: 2 / 3;
        white-space: normal;
    }
}

@media (max-width: 900px) {
    .domain-grid,
    .route-map {
        grid-template-columns: 1fr;
    }

    .learning-path-page {
        padding: 12px;
    }

    .learning-directory-hero {
        grid-template-columns: 1fr;
        padding: 24px 18px;
    }

    .learning-directory-hero h1 {
        font-size: 36px;
    }

    .learning-directory-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 560px) {
    .learning-domains,
    .featured-modules,
    .learning-route-panel,
    .directory-domain {
        padding: 14px;
    }

    .featured-module-grid,
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .domain-card {
        min-height: 0;
    }

    .path-summary-card {
        grid-template-columns: 32px minmax(0, 1fr);
        align-items: start;
    }

    .path-summary-arrow {
        display: none;
    }

    .learning-directory-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .learning-directory-actions .home-primary-button,
    .learning-directory-actions .home-secondary-button {
        width: 100%;
        min-width: 0;
    }
}

/* Quest learning path page */
.quest-page {
    gap: 14px;
    padding: 18px 32px 24px;
}

.quest-page .home-panel {
    margin: 0;
}

.quest-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 28px 34px;
    overflow: hidden;
    background:
        radial-gradient(circle at 88% 20%, rgba(29, 92, 255, 0.16), transparent 28%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(239, 246, 255, 0.96) 100%);
}

.quest-hero h1 {
    margin: 8px 0 8px;
    color: #061335;
    font-size: 44px;
    line-height: 1.08;
    font-weight: 950;
    letter-spacing: 0;
}

.quest-hero p {
    max-width: 760px;
    margin: 0;
    color: #52677f;
    font-size: 16px;
    line-height: 1.65;
    font-weight: 650;
}

.quest-hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quest-stat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    max-width: 850px;
    margin-top: 18px;
}

.quest-stat {
    min-width: 0;
    border: 1px solid rgba(191, 219, 254, 0.78);
    border-radius: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 8px 16px rgba(29, 92, 255, 0.045);
}

.quest-stat span {
    display: block;
    overflow: hidden;
    color: var(--home-blue);
    font-size: 21px;
    line-height: 1.1;
    font-weight: 950;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quest-stat strong {
    display: block;
    margin-top: 4px;
    color: #52677f;
    font-size: 12px;
    line-height: 1.1;
    font-weight: 850;
}

.quest-stat--done span {
    color: #16a34a;
}

.quest-stat--demo span {
    color: #2563eb;
}

.quest-stat--planned span {
    color: #f97316;
}

.quest-stat--current span {
    font-size: 16px;
}

.quest-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
}

.quest-world-tab {
    display: grid;
    gap: 4px;
    min-height: 58px;
    border: 1px solid #d7e6fb;
    border-radius: 10px;
    padding: 10px 14px;
    color: #102246;
    font-size: 14px;
    line-height: 1.25;
    font-weight: 900;
    text-align: left;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    cursor: pointer;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.quest-world-tab span {
    color: var(--home-blue);
    font-size: 11px;
    line-height: 1;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.quest-world-tab:hover,
.quest-world-tab.is-active {
    border-color: rgba(29, 92, 255, 0.5);
    background: linear-gradient(180deg, #ffffff 0%, #eef6ff 100%);
    box-shadow: 0 10px 22px rgba(29, 92, 255, 0.1);
    transform: translateY(-1px);
}

.quest-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.38fr);
    gap: 14px;
    align-items: start;
    min-width: 0;
}

.quest-map-panel,
.quest-inspector,
.quest-overview {
    min-width: 0;
    padding: 18px 22px 20px;
}

.quest-section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 14px;
}

.quest-section-head span {
    display: inline-block;
    color: var(--home-blue);
    font-size: 11px;
    line-height: 1;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.quest-section-head h2 {
    margin: 5px 0 4px;
    color: #102246;
    font-size: 24px;
    line-height: 1.18;
    font-weight: 950;
}

.quest-section-head p {
    max-width: 610px;
    margin: 0;
    color: #5b718a;
    font-size: 13px;
    line-height: 1.45;
    font-weight: 700;
}

.quest-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 7px 10px;
    max-width: 470px;
}

.quest-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 24px;
    border: 1px solid #e2edf8;
    border-radius: 999px;
    padding: 0 9px;
    color: #53677f;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0;
    text-transform: none;
    background: #ffffff;
}

.quest-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--quest-dot-color, var(--home-blue));
}

.quest-dot--completed { --quest-dot-color: #16a34a; }
.quest-dot--demo { --quest-dot-color: #2563eb; }
.quest-dot--inference { --quest-dot-color: #0ea5e9; }
.quest-dot--frontier { --quest-dot-color: #f97316; }
.quest-dot--planned { --quest-dot-color: #94a3b8; }

.quest-map {
    position: relative;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px 0 16px;
    scrollbar-width: thin;
}

.quest-map.is-changing {
    animation: questMapIn 0.22s ease both;
}

.quest-track {
    display: flex;
    align-items: center;
    min-width: max-content;
    padding: 20px 0;
}

.quest-link {
    position: relative;
    flex: 0 0 28px;
    height: 3px;
    margin: 0 5px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(147, 197, 253, 0.72);
}

.quest-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.96), transparent);
    transform: translateX(-100%);
    animation: questFlow 2.6s linear infinite;
}

.quest-link--completed {
    background: #57c58b;
}

.quest-link--planned {
    height: 0;
    border-top: 2px dashed rgba(148, 163, 184, 0.72);
    background: transparent;
}

.quest-link--planned::after {
    content: none;
}

.quest-node {
    --quest-accent: #2563eb;
    position: relative;
    display: grid;
    grid-template-rows: auto auto auto 1fr;
    width: 126px;
    min-height: 130px;
    border: 1px solid color-mix(in srgb, var(--quest-accent) 32%, #dbeafe);
    border-radius: 14px;
    padding: 12px 12px 11px;
    color: #102246;
    text-align: left;
    background:
        radial-gradient(circle at 88% 18%, color-mix(in srgb, var(--quest-accent) 13%, transparent), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--quest-accent) 5%, #ffffff) 100%);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.055);
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.22s ease, opacity 0.22s ease;
}

.quest-node.is-revealed {
    opacity: 1;
    transform: translateY(0);
    transition-delay: calc(var(--quest-index, 0) * 32ms);
}

.quest-node:hover,
.quest-node.is-selected {
    border-color: var(--quest-accent);
    box-shadow: 0 16px 32px color-mix(in srgb, var(--quest-accent) 16%, transparent);
    transform: translateY(-2px);
}

.quest-node.is-current::after {
    content: "";
    position: absolute;
    inset: -5px;
    border: 2px solid color-mix(in srgb, var(--quest-accent) 42%, transparent);
    border-radius: 18px;
    animation: questPulse 2.4s ease-in-out infinite;
    pointer-events: none;
}

.quest-node--completed { --quest-accent: #16a34a; }
.quest-node--demo { --quest-accent: #2563eb; }
.quest-node--inference { --quest-accent: #0ea5e9; }
.quest-node--frontier { --quest-accent: #f97316; }
.quest-node--planned {
    --quest-accent: #94a3b8;
    border-style: dashed;
    color: #475569;
    opacity: 0.7;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.quest-node-index {
    display: inline-grid;
    width: 34px;
    height: 29px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    font-size: 13px;
    font-style: normal;
    font-weight: 950;
    background: var(--quest-accent);
}

.quest-node strong {
    display: block;
    margin: 11px 0 5px;
    font-size: 16px;
    line-height: 1.25;
    font-weight: 950;
}

.quest-node em {
    justify-self: start;
    min-height: 21px;
    border-radius: 6px;
    padding: 4px 8px;
    color: color-mix(in srgb, var(--quest-accent) 80%, #102246);
    font-size: 11px;
    line-height: 1;
    font-style: normal;
    font-weight: 900;
    background: color-mix(in srgb, var(--quest-accent) 10%, #ffffff);
}

.quest-node-prereq {
    display: block;
    margin-top: 8px;
    color: #64748b;
    font-size: 11px;
    line-height: 1.35;
    font-weight: 750;
}

.quest-recommendation {
    min-height: 34px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    padding: 10px 12px;
    color: #48617f;
    font-size: 13px;
    line-height: 1.45;
    font-weight: 700;
    background: linear-gradient(90deg, #ffffff 0%, #f8fbff 100%);
}

.quest-inspector {
    position: sticky;
    top: calc(var(--home-header-height) + 18px);
}

.quest-inspector-head {
    display: grid;
    gap: 7px;
    margin-bottom: 12px;
}

.quest-inspector-head > span {
    color: var(--home-blue);
    font-size: 11px;
    line-height: 1;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.quest-inspector h2 {
    margin: 0;
    color: #071536;
    font-size: 28px;
    line-height: 1.12;
    font-weight: 950;
}

.quest-status-pill {
    justify-self: start;
    min-height: 25px;
    border-radius: 999px;
    padding: 6px 11px;
    color: var(--quest-pill, #2563eb);
    font-size: 12px;
    line-height: 1;
    font-weight: 950;
    background: color-mix(in srgb, var(--quest-pill, #2563eb) 10%, #ffffff);
}

.quest-status-pill--completed { --quest-pill: #16a34a; }
.quest-status-pill--demo { --quest-pill: #2563eb; }
.quest-status-pill--inference { --quest-pill: #0ea5e9; }
.quest-status-pill--frontier { --quest-pill: #f97316; }
.quest-status-pill--planned { --quest-pill: #64748b; }

.quest-inspector-goal {
    margin: 0 0 14px;
    border-left: 3px solid var(--home-blue);
    padding: 7px 0 7px 12px;
    color: #48617f;
    font-size: 14px;
    line-height: 1.5;
    font-weight: 750;
}

.quest-detail-list {
    display: grid;
    gap: 9px;
    margin: 0;
}

.quest-detail-list div {
    display: grid;
    gap: 4px;
    border: 1px solid #e2edf8;
    border-radius: 10px;
    padding: 9px 11px;
    background: #fbfdff;
}

.quest-detail-list dt {
    color: #64748b;
    font-size: 11px;
    line-height: 1;
    font-weight: 950;
}

.quest-detail-list dd {
    margin: 0;
    color: #102246;
    font-size: 13px;
    line-height: 1.42;
    font-weight: 720;
}

#questConcepts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

#questConcepts span {
    display: inline-flex;
    min-height: 21px;
    align-items: center;
    border-radius: 6px;
    padding: 0 7px;
    color: #1d5cff;
    font-size: 11px;
    line-height: 1;
    font-weight: 900;
    background: #eef6ff;
}

.quest-empty-tag {
    color: #64748b !important;
    background: #f1f5f9 !important;
}

.quest-enter-button {
    width: 100%;
    margin-top: 15px;
}

.quest-enter-button--disabled {
    color: #64748b;
    background: linear-gradient(180deg, #e2e8f0 0%, #cbd5e1 100%);
    box-shadow: none;
    pointer-events: auto;
    cursor: not-allowed;
}

.quest-overview {
    padding: 18px 22px 20px;
}

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

.quest-overview-item {
    border: 1px solid #e2edf8;
    border-radius: 12px;
    padding: 11px 12px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.quest-overview-item.is-active {
    border-color: rgba(29, 92, 255, 0.42);
    box-shadow: inset 0 0 0 1px rgba(29, 92, 255, 0.14), 0 10px 20px rgba(29, 92, 255, 0.07);
}

.quest-overview-head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    width: 100%;
    border: 0;
    padding: 0;
    color: #102246;
    text-align: left;
    background: transparent;
    cursor: pointer;
}

.quest-overview-head span {
    color: var(--home-blue);
    font-size: 11px;
    font-weight: 950;
}

.quest-overview-head strong {
    min-width: 0;
    overflow: hidden;
    font-size: 13px;
    font-weight: 950;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quest-overview-head em {
    color: #64748b;
    font-size: 12px;
    font-style: normal;
    font-weight: 900;
}

.quest-mini-map {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.quest-mini-node {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    border: 2px solid var(--mini-color, #2563eb);
    border-radius: 50%;
    padding: 0;
    background: color-mix(in srgb, var(--mini-color, #2563eb) 14%, #ffffff);
    cursor: pointer;
}

.quest-mini-node.is-selected {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--mini-color, #2563eb) 16%, transparent);
}

.quest-mini-node--completed { --mini-color: #16a34a; }
.quest-mini-node--demo { --mini-color: #2563eb; }
.quest-mini-node--inference { --mini-color: #0ea5e9; }
.quest-mini-node--frontier { --mini-color: #f97316; }
.quest-mini-node--planned {
    --mini-color: #94a3b8;
    border-style: dashed;
}

@keyframes questFlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes questPulse {
    0%, 100% {
        opacity: 0.32;
        transform: scale(0.98);
    }
    50% {
        opacity: 0.76;
        transform: scale(1.035);
    }
}

@keyframes questMapIn {
    from {
        opacity: 0.35;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 1280px) {
    .quest-stat-grid,
    .quest-overview-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .quest-workspace {
        grid-template-columns: minmax(0, 1fr) minmax(330px, 0.42fr);
    }

    .quest-node {
        width: 126px;
    }
}

@media (max-width: 1080px) {
    .quest-hero,
    .quest-workspace {
        grid-template-columns: 1fr;
    }

    .quest-hero-actions {
        justify-content: flex-start;
    }

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

    .quest-inspector {
        position: static;
    }
}

@media (max-width: 760px) {
    .quest-page {
        padding: 12px;
    }

    .quest-hero,
    .quest-map-panel,
    .quest-inspector,
    .quest-overview {
        padding: 18px 16px;
    }

    .quest-hero h1 {
        font-size: 36px;
    }

    .quest-hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .quest-hero-actions .home-primary-button,
    .quest-hero-actions .home-secondary-button {
        width: 100%;
        min-width: 0;
    }

    .quest-stat-grid,
    .quest-tabs,
    .quest-overview-grid {
        grid-template-columns: 1fr;
    }

    .quest-section-head {
        display: grid;
    }

    .quest-legend {
        justify-content: flex-start;
    }

    .quest-track {
        padding-right: 18px;
    }

    .quest-node {
        width: 138px;
        min-height: 132px;
    }

    .quest-link {
        flex-basis: 44px;
        margin-inline: 6px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .quest-link::after,
    .quest-node.is-current::after,
    .quest-map.is-changing {
        animation: none;
    }

    .quest-node {
        transition: none;
    }
}

/* ==================================================================
 *  AI 学习助手 — 浮窗 & 抽屉样式
 * ================================================================== */

/* ---- FAB 按钮 ---- */
.ai-assistant-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 900;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 13px;
    border: none;
    border-radius: 28px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.35);
    transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
}

.ai-assistant-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(37, 99, 235, 0.45);
}

.ai-assistant-fab.hide {
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
}

.ai-fab-icon { display: inline-flex; align-items: center; justify-content: center; }
.ai-fab-icon img {
    width: 35px;
    height: 35px;
    display: block;
    object-fit: contain;
}

/* ---- 遮罩 ---- */
.ai-assistant-overlay {
    position: fixed;
    inset: 0;
    z-index: 910;
    background: rgba(15, 23, 42, 0.18);
    transition: opacity 0.22s;
}
.ai-assistant-overlay[hidden] { display: none; }

/* ---- 抽屉 ---- */
.ai-assistant-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 920;
    width: 400px;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-left: 1px solid #dbeafe;
    box-shadow: -8px 0 32px rgba(15, 23, 42, 0.10);
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-assistant-drawer.open {
    transform: translateX(0);
}

/* ---- 头部 ---- */
.ai-assistant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
}

div#aiAssistantDrawer > div.ai-assistant-header > div.ai-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 36px;
}

div#aiAssistantDrawer > div.ai-assistant-header > div.ai-header-title > span.ai-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    width: 48px;
}
div#aiAssistantDrawer > div.ai-assistant-header > div.ai-header-title > span.ai-header-icon > img {
    width: 48px;
    height: 48px;
    display: block;
    object-fit: contain;
}

.ai-header-title strong {
    display: block;
    font-size: 15px;
    color: #0f172a;
}

.ai-header-title small {
    display: block;
    font-size: 11px;
    color: #64748b;
    margin-top: 1px;
}

.ai-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    font-size: 16px;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.ai-close-btn:hover {
    background: #f1f5f9;
    color: #0f172a;
}

/* ---- 主体滚动区 ---- */
.ai-assistant-body {
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ---- 上下文卡片 ---- */
.ai-assistant-context {
    border: 1px solid #dbeafe;
    border-radius: 12px;
    padding: 12px 14px;
    background: #f8fbff;
}

.ai-ctx-title {
    font-size: 13px;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 8px;
}

.ai-ctx-grid {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 4px 8px;
    font-size: 12px;
}

.ai-ctx-label {
    color: #64748b;
    font-weight: 600;
}

.ai-ctx-value {
    color: #0f172a;
    word-break: break-all;
}

.ai-ctx-code {
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 11px;
    background: #eef2ff;
    border-radius: 4px;
    padding: 2px 4px;
}

/* ---- 快捷按钮 ---- */
.ai-assistant-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ai-action-btn {
    padding: 6px 12px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    background: #fff;
    color: #1e40af;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.ai-action-btn:hover {
    background: #eff6ff;
    border-color: #93c5fd;
}

/* ---- 聊天区 ---- */
.ai-assistant-chat {
    flex: 1;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.user-message,
.ai-message {
    max-width: 92%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.65;
    word-break: break-word;
    white-space: pre-wrap;
}

.user-message {
    align-self: flex-end;
    background: #dbeafe;
    color: #1e3a5f;
    border-bottom-right-radius: 4px;
}

.ai-message {
    align-self: flex-start;
    background: #f1f3f5;
    color: #111;
    border-bottom-left-radius: 4px;
}

/* AI Markdown 样式补充 */
.ai-message.markdown-body {
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.35;
}
.ai-message.markdown-body p { margin: 0 0 2px 0; }
.ai-message.markdown-body p:last-child { margin-bottom: 0; }
.ai-message.markdown-body ul, .ai-message.markdown-body ol {
    margin: 2px 0;
    padding-left: 18px;
}
.ai-message.markdown-body li {
    margin-bottom: 2px;
}
.ai-message.markdown-body li > p {
    margin: 0;
}
.ai-message.markdown-body pre {
    background-color: #24292e;
    color: #e1e4e8;
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.85rem;
    margin: 8px 0;
}
.ai-message.markdown-body code {
    background-color: rgba(0,0,0,0.05);
    padding: 2px 4px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}
.ai-message.markdown-body pre code { background: none; padding: 0; }
.ai-message.markdown-body h1, .ai-message.markdown-body h2, .ai-message.markdown-body h3, .ai-message.markdown-body h4 {
    margin: 8px 0 4px 0;
    font-weight: 600;
}
.ai-message.markdown-body h1 { font-size: 1.25em; }
.ai-message.markdown-body h2 { font-size: 1.15em; }
.ai-message.markdown-body h3 { font-size: 1.05em; }
.ai-message.markdown-body a { color: #0366d6; text-decoration: none; }
.ai-message.markdown-body a:hover { text-decoration: underline; }

    #aiScreenshotContainer {
        padding: 0 20px;
        margin-bottom: 10px;
    }

    .ai-loading {
        background-color: transparent !important;
    }

    .ai-dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #93c5fd;
        animation: aiBounce 1.2s infinite;
    }

    .ai-dot:nth-child(2) { animation-delay: 0.15s; }
    .ai-dot:nth-child(3) { animation-delay: 0.3s; }

    @keyframes aiBounce {
        0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
        40% { transform: translateY(-6px); opacity: 1; }
    }

/* ---- 输入区 ---- */
.ai-assistant-input {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
}

.ai-assistant-input input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.ai-assistant-input input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.ai-assistant-input button {
    padding: 8px 16px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}

.ai-assistant-input button:hover {
    background: #1d4ed8;
}

/* ---- 移动端适配 ---- */
@media (max-width: 560px) {
    .ai-assistant-drawer {
        width: 100vw;
        border-left: none;
    }

    .ai-assistant-fab {
        right: 14px;
        bottom: 14px;
        padding: 8px 14px;
        font-size: 13px;
    }

    .ai-fab-text { display: none; }
}