:root {
    --bg: #f7faf9;
    --bg-soft: #eef8f6;
    --surface: #ffffff;
    --surface-soft: #f4fbfa;
    --text: #193442;
    --heading: #163145;
    --muted: #5f7784;
    --line: #dce9e6;
    --accent: #2eb7a3;
    --accent-dark: #1d8f7f;
    --accent-soft: #dff5f0;
    --accent-warm: #f0a14a;
    --navy: #11243a;
    --success: #2f9063;
    --shadow-sm: 0 6px 18px rgba(17, 36, 58, 0.05);
    --shadow-md: 0 16px 40px rgba(17, 36, 58, 0.08);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --container: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    font-family: "Avenir Next", "Segoe UI", Arial, sans-serif;
    line-height: 1.65;
    background: linear-gradient(180deg, #fbfdfd 0%, var(--bg) 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-shell {
    min-height: 100vh;
}

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(220, 233, 230, 0.92);
    backdrop-filter: blur(10px);
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    flex: 0 0 3rem;
}

.brand-mark img {
    width: 100%;
    height: auto;
}

.brand-copy {
    display: grid;
    gap: 0.12rem;
}

.brand-copy strong {
    color: var(--heading);
    font-size: 0.96rem;
    font-weight: 700;
}

.brand-copy small,
.section-intro p,
.footer-inner p,
.eyebrow,
.card-meta,
.keyword-pill,
.lead-note,
.metric-label,
.hero-note,
.showcase-caption,
.content-block li,
.content-block p,
.highlight-box p,
.hero-panel p {
    color: var(--muted);
}

.brand-copy small {
    font-size: 0.8rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.35rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.main-nav-link,
.nav-summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: auto;
    padding: 0.2rem 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition:
        transform 160ms ease,
        background-color 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease,
        color 160ms ease;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.8rem;
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    transition:
        transform 160ms ease,
        background-color 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.button-secondary {
    border: 1px solid var(--line);
    background: #fff;
}

.button {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    box-shadow: 0 12px 28px rgba(46, 183, 163, 0.18);
}

.button:hover,
.button-secondary:hover,
.main-nav-link:hover,
.nav-summary:hover {
    transform: none;
}

.button-secondary:hover,
.main-nav-link:hover,
.nav-summary:hover,
.nav-group.is-active .nav-summary {
    color: #237f73;
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.main-nav-link.is-active {
    color: #237f73;
}

.nav-group {
    position: relative;
}

.nav-group::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 1rem;
}

.nav-summary {
    gap: 0.55rem;
    cursor: default;
    color: var(--heading);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
}

.nav-chevron {
    width: 0.6rem;
    height: 0.6rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 160ms ease;
}

.nav-group:hover .nav-chevron,
.nav-group:focus-within .nav-chevron {
    transform: rotate(-135deg) translateY(-1px);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 0.15rem);
    left: 0;
    min-width: 17rem;
    padding: 0.7rem;
    display: none;
    gap: 0.12rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 1.55rem;
    box-shadow: 0 14px 34px rgba(17, 36, 58, 0.08);
    backdrop-filter: blur(10px);
}

.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown {
    display: grid;
}

.nav-dropdown-link {
    display: block;
    padding: 0.72rem 0.95rem;
    border-radius: 1.1rem;
    color: var(--heading);
    font-weight: 600;
    line-height: 1.3;
    transition: background-color 160ms ease, color 160ms ease;
}

.nav-dropdown-link:hover,
.nav-dropdown-link.is-current {
    color: #237f73;
    background: rgba(46, 183, 163, 0.14);
}

.hero {
    padding: 4rem 0 2.6rem;
    background: linear-gradient(180deg, var(--bg-soft) 0%, #f7faf9 100%);
}

.about-hero {
    padding: 3.4rem 0 2rem;
    background:
        radial-gradient(circle at top left, rgba(46, 183, 163, 0.12), transparent 34%),
        linear-gradient(180deg, #f4fbfa 0%, #f7faf9 100%);
}

.hero-grid,
.content-grid,
.keyword-grid,
.detail-grid,
.metric-grid,
.showcase-grid {
    display: grid;
    gap: 1.5rem;
}

.breadcrumb-wrap {
    padding: 1rem 0 0;
    background: linear-gradient(180deg, var(--bg-soft) 0%, #f7faf9 100%);
}

.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.breadcrumb-link:hover {
    color: var(--accent-warm);
}

.breadcrumb-separator {
    color: var(--line-strong);
}

.breadcrumb-current {
    color: var(--heading);
    font-weight: 600;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    align-items: stretch;
}

.hero-grid.hero-grid-page {
    grid-template-columns: 1fr;
    gap: 1.7rem;
}

.about-hero-grid,
.about-intro-grid,
.about-story-grid {
    display: grid;
    gap: 1.5rem;
}

.about-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    align-items: center;
}

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

.about-story-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
    align-items: start;
}

.hero-split {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(300px, 0.96fr);
    gap: 1.5rem;
    align-items: start;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.8rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 1.7rem;
    height: 2px;
    background: var(--accent);
}

.hero-copy h1,
.page-title,
.section-intro h2,
.content-block h2,
.content-block h3,
.hero-showcase strong,
.highlight-box strong,
.metric-value {
    margin: 0;
    color: var(--heading);
    font-family: "Avenir Next", "Segoe UI", Arial, sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero-copy h1,
.page-title {
    max-width: none;
    font-size: clamp(2.7rem, 5.5vw, 4.6rem);
    line-height: 1.02;
    text-wrap: balance;
}

.page-lead,
.hero-copy p {
    max-width: 64ch;
    font-size: 1.04rem;
}

.hero-note {
    max-width: 56ch;
    margin: 0.95rem 0 0;
    font-size: 0.96rem;
}

.about-copy .page-title {
    max-width: 13ch;
}

.about-portrait-wrap {
    display: flex;
    justify-content: flex-end;
}

.about-portrait-card,
.about-intro-card,
.about-story-main,
.about-side-note,
.about-closing-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.about-portrait-card {
    display: flex;
    align-items: end;
    justify-content: center;
    min-height: 30rem;
    padding: 1.4rem 1.4rem 0;
    overflow: hidden;
    background:
        radial-gradient(circle at top, rgba(46, 183, 163, 0.18), transparent 45%),
        linear-gradient(180deg, #f5fbfa 0%, #ffffff 100%);
}

.about-portrait {
    width: min(100%, 25rem);
    height: auto;
    object-fit: contain;
}

.about-intro-card,
.about-story-main,
.about-side-note,
.about-closing-card {
    padding: 1.6rem;
}

.about-intro-card strong,
.about-side-note strong {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--heading);
    font-size: 1.08rem;
    line-height: 1.2;
}

.about-story-main h2,
.about-closing-card h2 {
    margin: 0 0 1rem;
    color: var(--heading);
    font-size: clamp(1.8rem, 3vw, 2.55rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.about-side-note {
    background: linear-gradient(180deg, #f9fcfc 0%, #ffffff 100%);
}

.about-side-note ul {
    margin: 0;
    padding-left: 1.1rem;
}

.about-side-note li + li {
    margin-top: 0.55rem;
}

.about-closing-card {
    max-width: 55rem;
}

.legal-layout {
    max-width: 58rem;
}

.legal-main {
    display: grid;
    gap: 1rem;
}

.legal-page .section-intro {
    margin-bottom: 0.5rem;
}

.legal-page .page-title {
    font-size: clamp(2.3rem, 4vw, 3.5rem);
}

.legal-card h2 {
    margin: 0 0 0.9rem;
    color: var(--heading);
    font-size: 1.25rem;
    line-height: 1.12;
}

.hero-panel,
.card,
.content-block,
.highlight-box,
.hero-showcase,
.metric,
.table-wrap {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.hero-panel,
.hero-showcase {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.hero-panel,
.card,
.content-block,
.highlight-box,
.hero-showcase,
.metric {
    padding: 1.55rem;
}

.hero-panel {
    background: linear-gradient(180deg, #ffffff 0%, #f8fdfc 100%);
}

.hero-stat {
    padding: 1rem 0;
    border-top: 1px solid var(--line);
}

.hero-stat:first-child {
    padding-top: 0;
    border-top: 0;
}

.hero-stat strong {
    display: block;
    margin-bottom: 0.28rem;
    color: var(--heading);
    font-size: 2rem;
    line-height: 1;
}

.section {
    padding: 1.1rem 0 4rem;
}

.section-intro {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.6rem;
}

.section-intro h2,
.content-block h2,
.content-block h3 {
    margin: 0 0 0.65rem;
    line-height: 1.08;
}

.section-intro h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.7rem);
}

.keyword-grid,
.detail-grid,
.metric-grid,
.showcase-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(240, 161, 74, 0.55);
    box-shadow: var(--shadow-md);
}

.card h3,
.content-block p:last-child,
.content-block ul:last-child,
.highlight-box p:last-child {
    margin-bottom: 0;
}

.card.is-disabled {
    opacity: 0.74;
}

.card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.status-badge,
.keyword-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.38rem 0.78rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.status-badge.is-live {
    color: var(--success);
    background: rgba(47, 144, 99, 0.1);
}

.status-badge.is-pending,
.keyword-pill {
    color: var(--heading);
    background: #ffffff;
    border: 1px solid #cfe5df;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.card-meta {
    font-size: 0.82rem;
}

.card-actions,
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.25rem;
}

.topic-grid,
.home-content-placeholder,
.faq-list {
    display: grid;
    gap: 1rem;
}

.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr);
    gap: 2rem;
    align-items: start;
}

.home-main,
.home-sidebar {
    min-width: 0;
}

.home-main {
    display: grid;
    gap: 1rem;
}

.topic-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

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

.topic-card,
.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.topic-card {
    position: relative;
    overflow: hidden;
    padding: 1.4rem;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.topic-card::after {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 100%);
    opacity: 0;
    transition: opacity 160ms ease;
}

.topic-card:hover {
    transform: translateY(-3px);
    border-color: #cfe3de;
    box-shadow: 0 16px 38px rgba(17, 36, 58, 0.1);
}

.topic-card:hover::after {
    opacity: 1;
}

.topic-card:hover h3 {
    color: var(--accent-dark);
}

.topic-title-link,
.topic-title-text {
    color: inherit;
}

.topic-title-link {
    text-decoration: none;
}

.topic-title-link:hover {
    color: inherit;
}

.topic-card h3,
.faq-item h3 {
    margin: 0 0 0.6rem;
    color: var(--heading);
    line-height: 1.15;
}

.topic-card p,
.faq-item p {
    margin: 0;
    color: var(--muted);
}

.topic-card .button-secondary {
    min-height: auto;
    padding: 0;
    color: var(--accent-dark);
    background: transparent;
    border: 0;
    border-radius: 0;
    font-weight: 700;
    box-shadow: none;
}

.topic-card .button-secondary:hover {
    transform: none;
    color: #cc7d1a;
    background: transparent;
    box-shadow: none;
}

.related-topics {
    padding-top: 0.4rem;
}

.home-content-placeholder {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.faq-list {
    grid-template-columns: 1fr 1fr;
}

.faq-item {
    border-left: 4px solid var(--accent-soft);
    padding: 1.35rem 1.4rem;
}

.metric-grid {
    margin-top: 1.5rem;
}

.metric {
    min-height: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #f8fdfc 100%);
}

.metric-value {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 1.55rem;
    line-height: 1.05;
}

.metric-label {
    font-size: 0.94rem;
}

.showcase-grid {
    margin-top: 1rem;
}

.hero-showcase {
    background: linear-gradient(180deg, #effaf8 0%, #e5f7f3 100%);
    border-color: #d5eee8;
}

.showcase-caption {
    max-width: 44ch;
    font-size: 0.96rem;
}

.showcase-orbit {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 20rem;
    margin-top: 1.4rem;
}

.showcase-core,
.showcase-node {
    position: absolute;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid #cfe8e2;
    box-shadow: 0 12px 28px rgba(17, 36, 58, 0.06);
    text-align: center;
}

.showcase-core {
    width: 10rem;
    height: 10rem;
    border-radius: 2rem;
    color: var(--heading);
    font-weight: 700;
}

.showcase-node {
    width: 7rem;
    height: 7rem;
    border-radius: 1.45rem;
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 600;
}

.showcase-node:nth-child(2) {
    top: 0;
    left: 10%;
}

.showcase-node:nth-child(3) {
    top: 2.2rem;
    right: 0;
}

.showcase-node:nth-child(4) {
    bottom: 0;
    left: 8%;
}

.showcase-node:nth-child(5) {
    right: 15%;
    bottom: 1.9rem;
}

.content-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
    align-items: start;
}

.page-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr);
    gap: 2rem;
    align-items: start;
}

.page-main {
    min-width: 0;
}

.page-main .section {
    padding: 0 0 2.25rem;
}

.page-main .content-grid,
.page-main .detail-grid {
    grid-template-columns: 1fr;
}

.page-sidebar {
    position: sticky;
    top: 5rem;
    align-self: start;
}

.toc-card {
    position: static;
    max-height: calc(100vh - 6rem);
    padding: 1.05rem;
    overflow: auto;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.toc-card strong {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--heading);
    font-size: 0.96rem;
    font-weight: 700;
}

.toc-list {
    display: grid;
    gap: 0.35rem;
}

.toc-link {
    display: block;
    padding: 0.55rem 0.7rem;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.32;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.toc-link:hover {
    color: var(--heading);
    background: #fffaf1;
    border-color: rgba(240, 161, 74, 0.45);
}

.highlight-box {
    position: relative;
    overflow: hidden;
}

.page-main .highlight-box::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 100%);
}

.page-main .highlight-box strong::after {
    content: "";
    display: block;
    width: 3rem;
    height: 3px;
    margin-top: 0.7rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 100%);
}

.content-block ul {
    margin: 0;
    padding-left: 1.1rem;
}

.content-block li + li {
    margin-top: 0.45rem;
}

.content-block a,
.highlight-box a,
.legal-card a,
.about-intro-card a,
.about-story-main a,
.about-side-note a,
.about-closing-card a,
.home-main a,
.faq-item a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.14em;
}

.content-block a:hover,
.highlight-box a:hover,
.legal-card a:hover,
.about-intro-card a:hover,
.about-story-main a:hover,
.about-side-note a:hover,
.about-closing-card a:hover,
.home-main a:hover,
.faq-item a:hover {
    color: #cc7d1a;
}

.highlight-box {
    background: linear-gradient(180deg, #dff5f0 0%, #eef9f6 100%);
    border-color: #bfe3da;
    box-shadow: 0 12px 30px rgba(29, 143, 127, 0.08);
}

.highlight-box strong {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 1.45rem;
    line-height: 1.08;
}

.highlight-box p,
.highlight-box .lead-note {
    color: #355665;
}

.detail-grid {
    gap: 1rem;
}

.table-wrap {
    overflow-x: auto;
}

.content-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.content-table thead {
    background: var(--accent-soft);
}

.content-table th,
.content-table td {
    padding: 1rem 1.1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}

.content-table th {
    color: var(--heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.content-table tbody tr:nth-child(even) {
    background: #fbfdfd;
}

.content-table tbody tr:hover {
    background: #f4fbfa;
}

.content-table td:first-child {
    width: 28%;
    color: var(--heading);
    font-weight: 700;
}

.content-table td:nth-child(2) {
    width: 38%;
}

.content-table td:last-child {
    color: var(--muted);
}

.content-table tbody tr:last-child td {
    border-bottom: 0;
}

.site-footer {
    margin-top: 3.5rem;
    padding: 5.25rem 0 1.8rem;
    color: rgba(255, 255, 255, 0.76);
    background: linear-gradient(180deg, #172941 0%, #111d30 100%);
}

.footer-top {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(24rem, 0.95fr);
    gap: 5.2rem;
    align-items: start;
}

.footer-brand {
    max-width: 36rem;
}

.footer-brand strong,
.footer-column strong {
    display: block;
    margin-bottom: 1.35rem;
    color: #fff;
    line-height: 1.2;
}

.footer-brand strong {
    font-size: clamp(1.8rem, 2.6vw, 2.45rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.footer-column strong {
    color: rgba(255, 255, 255, 0.94);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.footer-brand p {
    margin: 0 0 1rem;
    max-width: 31rem;
    color: rgba(255, 255, 255, 0.62);
    font-size: 1.18rem;
    line-height: 1.72;
}

.footer-brand p:last-child {
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3.8rem;
    min-width: min(100%, 38rem);
}

.footer-column {
    display: grid;
    align-content: start;
    gap: 1.05rem;
}

.footer-column a {
    width: fit-content;
    color: rgba(255, 255, 255, 0.64);
    font-size: 1.15rem;
    line-height: 1.38;
    text-decoration: none;
    transition: color 0.18s ease, transform 0.18s ease;
}

.footer-column a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 1.45rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-meta {
    margin: 0;
    color: rgba(255, 255, 255, 0.44);
    font-size: 0.95rem;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.6rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.95rem;
    text-decoration: none;
}

.footer-legal a:hover {
    color: #fff;
}

@media (max-width: 860px) {
    .header-inner,
    .section-intro,
    .hero-grid,
    .content-grid,
    .hero-split,
    .page-layout,
    .about-hero-grid,
    .about-intro-grid,
    .about-story-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.4rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
        min-width: 0;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-legal {
        justify-content: flex-start;
        gap: 1rem 1.4rem;
    }

    .header-inner {
        align-items: flex-start;
    }

    .main-nav {
        width: 100%;
        gap: 0.65rem;
    }

    .nav-group {
        width: 100%;
    }

    .main-nav-link,
    .nav-summary {
        width: 100%;
        justify-content: space-between;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--line);
    }

    .nav-dropdown {
        position: static;
        min-width: 0;
        margin-top: 0.6rem;
        margin-bottom: 0.2rem;
        background: #fff;
        backdrop-filter: none;
    }

    .hero {
        padding: 2.8rem 0 2.1rem;
    }

    .brand-copy small {
        display: none;
    }

    .page-main .section {
        padding: 0 0 1.75rem;
    }

    .section-intro {
        margin-bottom: 1.2rem;
    }

    .showcase-orbit {
        min-height: 18rem;
    }

    .showcase-node {
        width: 6rem;
        height: 6rem;
        font-size: 0.8rem;
    }

    .about-copy .page-title,
    .about-closing-card {
        max-width: none;
    }

    .about-portrait-wrap {
        justify-content: center;
    }

    .about-portrait-card {
        min-height: auto;
        padding-top: 1.2rem;
    }

    .page-sidebar,
    .toc-card {
        position: static;
    }

    .faq-list {
        grid-template-columns: 1fr;
    }

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

    .content-table {
        min-width: 640px;
    }
}

@media (max-width: 620px) {
    .container {
        width: min(calc(100% - 1.2rem), var(--container));
    }

    .card,
    .topic-card,
    .faq-item,
    .content-block,
    .highlight-box,
    .hero-showcase,
    .metric,
    .hero-panel,
    .about-portrait-card,
    .about-intro-card,
    .about-story-main,
    .about-side-note,
    .about-closing-card {
        padding: 1.25rem;
    }

    .hero-copy h1,
    .page-title {
        font-size: clamp(2rem, 8.6vw, 2.85rem);
        line-height: 1.04;
    }

    .section-intro h2,
    .content-block h2 {
        font-size: 1.6rem;
    }

    .content-block h3,
    .highlight-box strong,
    .metric-value {
        font-size: 1.25rem;
    }

    .page-lead,
    .hero-copy p,
    .hero-note {
        font-size: 0.98rem;
    }

    .hero-actions {
        width: 100%;
    }

    .hero-actions .button,
    .hero-actions .button-secondary {
        width: 100%;
    }

    .breadcrumb-wrap {
        padding-top: 0.8rem;
    }

    .breadcrumb-nav {
        gap: 0.4rem;
        font-size: 0.84rem;
    }

    .home-content-placeholder,
    .topic-grid,
    .themes-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .showcase-orbit {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        min-height: auto;
    }

    .showcase-core,
    .showcase-node {
        position: static;
        width: calc(50% - 0.375rem);
        min-height: 5.5rem;
        height: auto;
        padding: 1rem;
    }

    .content-table {
        min-width: 560px;
    }

    .content-table th,
    .content-table td {
        padding: 0.9rem;
    }
}

@media (max-width: 440px) {
    .container {
        width: min(calc(100% - 1rem), var(--container));
    }

    .hero {
        padding: 2.35rem 0 1.8rem;
    }

    .hero-copy h1,
    .page-title {
        font-size: clamp(1.75rem, 9vw, 2.35rem);
    }

    .section-intro h2,
    .content-block h2 {
        font-size: 1.42rem;
    }

    .card,
    .topic-card,
    .faq-item,
    .content-block,
    .highlight-box,
    .hero-showcase,
    .metric,
    .hero-panel,
    .toc-card {
        padding: 1rem;
    }

    .toc-link {
        padding: 0.5rem 0.6rem;
        font-size: 0.84rem;
    }
}