:root {
  --nwafu-green: #00623f;
  --nwafu-deep: #003d2c;
  --nwafu-dark: #00291f;
  --nwafu-gold: #c9a452;
  --green-soft: #eef7f1;
  --gold-soft: #faf3df;
  --ink: #17211d;
  --muted: #66736d;
  --line: #dfe8e3;
  --paper: #f7f8f4;
  --white: #fff;
  --shadow: 0 18px 45px rgba(0, 41, 31, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.wrap {
  width: min(var(--max), calc(100vw - 48px));
  margin: 0 auto;
}

.topbar {
  color: rgba(255, 255, 255, 0.82);
  background: var(--nwafu-dark);
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  gap: 20px;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.topbar a {
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.topbar a:hover {
  color: var(--white);
}

.topbar-product {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 28px;
  padding: 3px 11px 3px 5px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
  font-weight: 800;
}

.topbar-product img {
  width: 22px;
  height: 22px;
  padding: 2px;
  object-fit: contain;
  background: var(--white);
  border-radius: 3px;
}

.topbar-product:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.36);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nwafu-green);
  box-shadow: 0 4px 18px rgba(0, 41, 31, 0.14);
}

.masthead {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 94px;
  color: var(--white);
  background: var(--nwafu-green);
}

.site-header::before {
  display: none;
}

.institute-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.institute-logo img {
  width: 66px;
  height: 66px;
}

.institute-name {
  padding-left: 0;
  border-left: 0;
}

.institute-name strong {
  display: block;
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.25;
}

.institute-name span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.main-nav {
  background: #f2f6f3;
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  min-height: 48px;
}

.nav-inner a {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 22px;
  color: #1f3c31;
  border-right: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
}

.nav-inner a:first-child {
  border-left: 1px solid var(--line);
}

.nav-inner a.active,
.nav-inner a:hover {
  color: var(--white);
  background: var(--nwafu-green);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 4px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.home-hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  background: var(--nwafu-dark);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 900ms ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 41, 31, 0.9), rgba(0, 41, 31, 0.42) 44%, rgba(0, 41, 31, 0.06) 72%),
    linear-gradient(180deg, rgba(0, 41, 31, 0.02), rgba(0, 41, 31, 0.22) 48%, rgba(0, 41, 31, 0.7));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 650px;
  padding-bottom: 112px;
  color: var(--white);
}

.hero-copy {
  max-width: 1040px;
  padding: 26px 30px 28px;
  background: linear-gradient(90deg, rgba(0, 41, 31, 0.78), rgba(0, 41, 31, 0.42), rgba(0, 41, 31, 0));
  border-left: 5px solid var(--nwafu-gold);
}

.kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--nwafu-gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.kicker::before,
.eyebrow::before {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: currentColor;
  content: "";
}

.eyebrow.light {
  color: #ecd597;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  letter-spacing: 0;
}

.home-hero h1 {
  max-width: none;
  margin-bottom: 22px;
  font-size: 58px;
  line-height: 1.12;
  white-space: nowrap;
}

.home-hero p:not(.kicker) {
  max-width: none;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
  white-space: nowrap;
}

.hero-carousel-ui {
  position: absolute;
  right: 0;
  bottom: 34px;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 24px;
  pointer-events: none;
}

.hero-dots {
  display: flex;
  gap: 10px;
  pointer-events: auto;
}

.hero-dots button {
  width: 42px;
  height: 5px;
  padding: 0;
  background: rgba(255, 255, 255, 0.48);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.hero-dots button.is-active {
  background: var(--nwafu-gold);
}

.hero-topic-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 0;
  box-shadow: 0 16px 38px rgba(0, 41, 31, 0.08);
}

.hero-topic-strip button {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "num title"
    "num desc";
  gap: 2px 14px;
  min-height: 92px;
  padding: 20px 22px;
  color: var(--ink);
  text-align: left;
  background: var(--white);
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
}

.hero-topic-strip button:last-child {
  border-right: 0;
}

.hero-topic-strip button.is-active,
.hero-topic-strip button:hover {
  background: var(--green-soft);
}

.hero-topic-strip button.is-active {
  box-shadow: inset 0 4px 0 var(--nwafu-gold);
}

.hero-topic-strip span {
  grid-area: num;
  color: var(--nwafu-gold);
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
}

.hero-topic-strip strong {
  grid-area: title;
  color: var(--nwafu-deep);
  font-size: 17px;
  line-height: 1.25;
}

.hero-topic-strip em {
  grid-area: desc;
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
  line-height: 1.35;
}

.hero-actions,
.cta-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
}

.btn svg {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  flex: 0 0 auto;
}

.btn.primary {
  color: var(--white);
  background: var(--nwafu-green);
}

.btn.primary:hover {
  background: var(--nwafu-deep);
}

.btn.secondary {
  color: var(--nwafu-deep);
  background: var(--white);
  border-color: var(--line);
}

.btn.secondary:hover {
  border-color: rgba(0, 98, 63, 0.36);
}

.btn.outline-light {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.48);
}

.btn.light {
  color: var(--nwafu-dark);
  background: var(--white);
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--nwafu-green);
  font-weight: 900;
}

.text-link::after {
  margin-left: 8px;
  content: "→";
}

.announcement-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 22px;
  margin-top: 44px;
  position: relative;
  z-index: 2;
}

.announcement-card,
.quick-stats,
.side-card,
.research-grid article,
.topic-item,
.guide-grid article,
.policy-grid article,
.contact-panel,
.address-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.announcement-card {
  padding: 28px;
  border-top: 5px solid var(--nwafu-gold);
}

.announcement-card .label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--nwafu-green);
  font-weight: 900;
}

.announcement-card h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.announcement-card p {
  color: var(--muted);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
}

.quick-stats div {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-stats div:nth-child(2n) {
  border-right: 0;
}

.quick-stats div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.quick-stats strong {
  display: block;
  color: var(--nwafu-green);
  font-size: 28px;
  line-height: 1.1;
}

.quick-stats span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 76px 0;
}

.section.no-top {
  padding-top: 0;
}

.section.muted {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.two-column,
.topic-preview,
.contact-layout {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  gap: 56px;
  align-items: start;
}

.section-head h2,
.section-title-row h2,
.topic-preview h2,
.contact-panel h2,
.page-hero h1 {
  margin-bottom: 0;
  color: var(--nwafu-deep);
  font-size: 38px;
  line-height: 1.2;
}

.rich-text {
  color: var(--muted);
  font-size: 17px;
}

.rich-text p:last-child {
  margin-bottom: 0;
}

.section-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-title-row p {
  max-width: 440px;
  color: var(--muted);
  text-align: right;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.research-grid article {
  padding: 26px;
  box-shadow: none;
}

.research-grid article span,
.guide-grid article span,
.process-line article span {
  display: block;
  margin-bottom: 18px;
  color: var(--nwafu-gold);
  font-weight: 900;
}

.research-grid h2,
.research-grid h3,
.guide-grid h2,
.policy-grid h2 {
  margin-bottom: 12px;
  color: var(--nwafu-deep);
  font-size: 20px;
  line-height: 1.35;
}

.research-grid p,
.guide-grid p,
.policy-grid p,
.topic-preview p,
.topic-item p {
  color: var(--muted);
}

.topic-preview {
  align-items: center;
}

.notice-list {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--nwafu-green);
  list-style: none;
}

.notice-list li {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.notice-list a {
  font-weight: 800;
}

.notice-list a:hover {
  color: var(--nwafu-green);
}

.notice-list time {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.home-cta {
  color: var(--white);
  background: linear-gradient(135deg, var(--nwafu-deep), var(--nwafu-green));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 52px 0;
}

.home-cta h2 {
  margin-bottom: 10px;
  font-size: 34px;
}

.home-cta p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.8);
}

.page-hero {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(0, 41, 31, 0.95), rgba(0, 98, 63, 0.85)),
    url("https://images.unsplash.com/photo-1625246333195-78d9c38ad449?auto=format&fit=crop&q=84&w=1500") center / cover;
}

.page-hero .wrap {
  padding: 58px 0 64px;
}

.page-hero h1 {
  color: var(--white);
  font-size: 42px;
}

.page-hero p:last-child {
  max-width: 720px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
}

body[data-page="research"] .page-hero p:last-child {
  max-width: none;
  white-space: nowrap;
}

.breadcrumb {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

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

.article-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
}

.side-card {
  position: sticky;
  top: 164px;
  padding: 28px;
  box-shadow: none;
  border-top: 4px solid var(--nwafu-gold);
}

.side-card h2 {
  color: var(--nwafu-deep);
  font-size: 24px;
}

.side-card p {
  padding: 11px 0;
  margin: 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-weight: 700;
}

.article h2 {
  color: var(--nwafu-deep);
  font-size: 30px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

.process-line article {
  padding: 22px;
  background: var(--white);
  border-top: 4px solid var(--nwafu-green);
}

.process-line h3 {
  margin-bottom: 8px;
  color: var(--nwafu-deep);
  font-size: 18px;
}

.process-line p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.culture-panel {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 44px;
  align-items: center;
  padding: 34px;
  background: var(--green-soft);
  border: 1px solid var(--line);
}

.culture-panel p {
  color: var(--muted);
}

.culture-panel dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.culture-panel dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: center;
  gap: 20px;
  min-height: 56px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 98, 63, 0.16);
}

.culture-panel dt {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.2;
  text-align: justify;
  text-align-last: justify;
}

.culture-panel dd {
  margin: 0;
  color: var(--nwafu-deep);
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.partner-section .section-title-row {
  align-items: start;
}

.partner-section .partner-lead {
  max-width: 660px;
  color: var(--muted);
  text-align: left;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.partner-card {
  display: flex;
  min-height: 132px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--nwafu-green);
}

.partner-card strong {
  display: block;
  color: var(--nwafu-deep);
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
}

.partner-card span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.partner-logo-card img {
  width: 100%;
  max-width: 250px;
  height: 58px;
  object-fit: contain;
  object-position: left center;
}

.partner-logo-card:first-child img {
  max-width: 260px;
  height: 46px;
}

.partner-logo-card span {
  margin-top: 18px;
}

.partner-logo-card:nth-child(4) img {
  max-width: 244px;
  height: 58px;
}

.partner-word-card {
  background:
    linear-gradient(135deg, rgba(0, 98, 63, 0.08), rgba(201, 164, 82, 0.08)),
    var(--white);
}

.partner-word-card strong {
  letter-spacing: 0;
}

.partner-link-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.partner-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 98, 63, 0.28);
  box-shadow: 0 16px 34px rgba(0, 41, 31, 0.1);
}

.call-meta,
.guide-grid,
.policy-grid,
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.call-meta article {
  padding: 24px;
  background: var(--green-soft);
  border-left: 4px solid var(--nwafu-green);
}

.call-meta strong {
  display: block;
  margin-bottom: 10px;
  color: var(--nwafu-deep);
  font-size: 18px;
}

.call-meta p {
  margin-bottom: 0;
  color: var(--muted);
}

.topic-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 38px;
  padding: 7px 16px;
  color: var(--nwafu-deep);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
  font-weight: 800;
}

.filter-button.active,
.filter-button:hover {
  color: var(--white);
  background: var(--nwafu-green);
  border-color: var(--nwafu-green);
}

.topic-list {
  display: grid;
  gap: 18px;
}

.topic-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  padding: 30px;
  box-shadow: none;
  scroll-margin-top: 170px;
}

.topic-item.is-hidden {
  display: none;
}

.topic-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  color: var(--nwafu-green);
  background: var(--gold-soft);
  border: 1px solid rgba(201, 164, 82, 0.42);
  border-radius: 50%;
  font-weight: 900;
}

.topic-item em {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--nwafu-green);
  font-style: normal;
  font-weight: 900;
}

.topic-item h2 {
  margin-bottom: 14px;
  color: var(--nwafu-deep);
  font-size: 25px;
  line-height: 1.35;
}

.topic-item p {
  margin-bottom: 8px;
}

.guide-grid article,
.policy-grid article {
  padding: 26px;
  box-shadow: none;
}

.policy-grid article {
  background: var(--white);
}

.download-grid a {
  display: grid;
  gap: 10px;
  min-height: 172px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--nwafu-green);
}

.download-grid a:hover {
  box-shadow: var(--shadow);
}

.download-grid svg {
  width: 30px;
  height: 30px;
  color: var(--nwafu-green);
}

.download-grid strong {
  color: var(--nwafu-deep);
  font-size: 18px;
}

.download-grid span {
  color: var(--muted);
}

.contact-layout {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.contact-panel,
.address-card {
  padding: 32px;
  box-shadow: none;
}

.contact-panel dl {
  display: grid;
  gap: 16px;
  margin: 24px 0;
}

.contact-panel dl div {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.contact-panel dt {
  color: var(--muted);
  font-weight: 900;
}

.contact-panel dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.contact-panel a {
  color: var(--nwafu-green);
}

.address-card {
  background: var(--green-soft);
}

.address-card h2 {
  color: var(--nwafu-deep);
}

.address-card p {
  color: var(--muted);
}

.site-footer {
  color: rgba(255, 255, 255, 0.76);
  background: var(--nwafu-dark);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 0;
}

.site-footer strong {
  display: block;
  color: var(--white);
  margin-bottom: 6px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}

.footer-links span {
  color: rgba(255, 255, 255, 0.44);
}

@media (max-width: 1060px) {
  .masthead {
    grid-template-columns: 64px 1fr auto;
  }

  .institute-logo img {
    width: 58px;
    height: 58px;
  }

  .institute-name strong {
    font-size: 22px;
  }

  .announcement-row,
  .two-column,
  .topic-preview,
  .article-layout,
  .culture-panel,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .research-grid,
  .call-meta,
  .guide-grid,
  .policy-grid,
  .download-grid,
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-line {
    grid-template-columns: repeat(3, 1fr);
  }

  .side-card {
    position: static;
  }

  body[data-page="research"] .page-hero p:last-child {
    max-width: 720px;
    white-space: normal;
  }
}

@media (max-width: 1180px) {
  .home-hero p:not(.kicker) {
    max-width: 760px;
    white-space: normal;
  }
}

@media (max-width: 1120px) and (min-width: 821px) {
  .home-hero h1 {
    font-size: 52px;
  }
}

@media (max-width: 960px) and (min-width: 821px) {
  .home-hero h1 {
    font-size: 46px;
  }
}

@media (max-width: 820px) {
  .wrap {
    width: min(var(--max), calc(100vw - 32px));
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 8px 0;
  }

  .topbar nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .masthead {
    grid-template-columns: 56px 1fr auto;
    min-height: 82px;
  }

  .institute-logo img {
    width: 52px;
    height: 52px;
  }

  .institute-name {
    grid-column: auto;
    padding: 0;
    border-left: 0;
  }

  .institute-name strong {
    font-size: 18px;
  }

  .institute-name span {
    display: none;
  }

  .nav-toggle {
    display: block;
    grid-column: 3;
    grid-row: 1;
  }

  .main-nav {
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .nav-inner {
    display: grid;
    min-height: 0;
  }

  .nav-inner a,
  .nav-inner a:first-child {
    justify-content: space-between;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .home-hero,
  .hero-content {
    min-height: 620px;
  }

  .hero-content {
    padding-bottom: 144px;
  }

  .home-hero h1 {
    font-size: 38px;
    white-space: normal;
  }

  .home-hero p:not(.kicker) {
    font-size: 16px;
  }

  .hero-copy {
    max-width: none;
    padding: 20px;
  }

  .hero-carousel-ui {
    align-items: flex-end;
    bottom: 22px;
  }

  .announcement-row {
    margin-top: 0;
    width: 100%;
  }

  .section {
    padding: 58px 0;
  }

  .section-title-row,
  .cta-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .section-title-row p {
    text-align: left;
  }

  .research-grid,
  .call-meta,
  .guide-grid,
  .policy-grid,
  .download-grid,
  .partner-grid,
  .process-line,
  .quick-stats {
    grid-template-columns: 1fr;
  }

  .quick-stats div,
  .quick-stats div:nth-child(2n),
  .quick-stats div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-stats div:last-child {
    border-bottom: 0;
  }

  .hero-topic-strip {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-topic-strip button {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-topic-strip button:last-child {
    border-bottom: 0;
  }

  .topic-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .topbar nav {
    gap: 12px;
  }

  .topbar-product {
    width: 100%;
    justify-content: center;
  }

  .institute-logo img {
    width: 48px;
    height: 48px;
  }

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

  .home-hero,
  .hero-content {
    min-height: 660px;
  }

  .hero-content {
    padding-bottom: 156px;
  }

  .hero-copy {
    padding: 18px;
  }

  .page-hero h1,
  .section-head h2,
  .section-title-row h2,
  .topic-preview h2 {
    font-size: 30px;
  }

  .btn,
  .hero-actions,
  .cta-actions,
  .contact-actions {
    width: 100%;
  }

  .culture-panel,
  .contact-panel,
  .address-card,
  .topic-item {
    padding: 22px;
  }

  .culture-panel dl div,
  .contact-panel dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .culture-panel dt {
    text-align: left;
    text-align-last: auto;
  }
}