:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-alt: #f1f5f4;
  --text: #111827;
  --muted: #667085;
  --line: #dfe5e2;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --blue: #2563eb;
  --amber: #b45309;
  --red: #b42318;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

body,
button,
input,
textarea,
select {
  font: inherit;
}

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

a:hover {
  color: var(--brand);
}

img,
svg {
  max-width: 100%;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 247, 245, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #9ab7b2;
  border-radius: var(--radius);
  background: #e4efed;
  color: var(--brand-dark);
  font-size: 15px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  font-weight: 650;
}

.hero {
  padding: 56px 0 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 26px;
  color: #3f4a54;
  font-size: 18px;
}

.hero-lead {
  max-width: 820px;
  text-align: left;
}

.hero-lead span {
  display: block;
}

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

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.button.primary {
  background: var(--brand);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--brand-dark);
  color: #ffffff;
}

.button.secondary {
  background: #ffffff;
  border-color: var(--line);
  color: var(--text);
}

.button.secondary:hover {
  border-color: #98aaa5;
  color: var(--brand-dark);
}

.section {
  padding: 46px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.section-header p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
}

.text-link {
  color: var(--brand-dark);
  font-weight: 750;
}

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

.report-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  box-shadow: 0 8px 24px rgba(17, 24, 39, 0.04);
  overflow-wrap: anywhere;
}

.report-card:hover {
  border-color: #a7bbb6;
  box-shadow: var(--shadow);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.tag,
.status,
.metric-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.2;
}

.tag {
  background: #e4efed;
  color: var(--brand-dark);
}

.status {
  background: #fff4e5;
  color: var(--amber);
}

.status.ready {
  background: #e9f7ef;
  color: #047857;
}

.report-card h3 {
  min-height: 54px;
  margin-bottom: 10px;
}

.card-copy {
  min-height: 78px;
  margin-bottom: 16px;
  color: #475467;
  font-size: 14px;
}

.card-cta {
  display: inline-flex;
  margin-top: 18px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}

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

.method-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.method-index {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: #eef4ff;
  color: var(--blue);
  font-weight: 800;
}

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

.page-head {
  padding: 46px 0 28px;
}

.page-head h1 {
  max-width: 880px;
  font-size: 54px;
}

.page-head .lead {
  margin-bottom: 0;
}

.report-list {
  display: grid;
  gap: 14px;
}

.list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.list-item h2 {
  margin-bottom: 6px;
  font-size: 20px;
}

.list-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 740px) 300px;
  gap: 44px;
  align-items: start;
}

.article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 28px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.article h1 {
  margin-bottom: 12px;
  font-size: 46px;
  line-height: 1.16;
}

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

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 28px;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
  padding: 14px;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.summary-card strong {
  display: block;
  margin-top: 3px;
  font-size: 17px;
}

.article h2 {
  margin-top: 34px;
  padding-top: 4px;
  font-size: 26px;
}

.article p,
.article li {
  color: #344054;
}

.article a {
  color: var(--brand-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article ul,
.article ol {
  padding-left: 22px;
}

.article blockquote {
  margin: 22px 0;
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  background: #edf7f5;
  padding: 14px 16px;
  color: #164e48;
}

.article pre {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  background: #101828;
  padding: 16px;
  color: #f9fafb;
}

.article code {
  border-radius: 5px;
  background: #edf2f7;
  padding: 2px 5px;
  color: #1f2937;
  font-size: 0.92em;
}

.article pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.article table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  min-width: 520px;
}

.article th,
.article td {
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.article th {
  background: var(--surface-alt);
  color: #1f2937;
  font-size: 14px;
}

.article td {
  color: #344054;
}

.article tr:last-child td {
  border-bottom: 0;
}

.notice {
  border-left: 4px solid var(--amber);
  border-radius: var(--radius);
  background: #fff8eb;
  padding: 14px 16px;
  color: #5f3b0a;
}

.sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 14px;
}

.side-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.side-box h2 {
  margin-bottom: 10px;
  font-size: 17px;
}

.side-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.side-box li + li {
  margin-top: 7px;
}

.content-page {
  max-width: 820px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 28px;
  overflow-wrap: anywhere;
}

.content-page h2 {
  margin-top: 30px;
}

.content-page p,
.content-page li {
  color: #344054;
}

.site-footer {
  margin-top: 36px;
  border-top: 1px solid var(--line);
  padding: 28px 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 3px;
}

@media (max-width: 920px) {
  h1 {
    font-size: 54px;
  }

  .page-head h1 {
    font-size: 46px;
  }

  .article h1 {
    font-size: 38px;
  }

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

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

  .sidebar {
    position: static;
    order: -1;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, var(--max));
  }

  .nav {
    min-height: 60px;
    gap: 14px;
    padding: 10px 0;
  }

  .brand {
    gap: 8px;
    font-size: 15px;
    white-space: nowrap;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .nav-links {
    flex: 0 0 auto;
    gap: 14px;
    white-space: nowrap;
    font-size: 13px;
  }

  .hero {
    padding: 34px 0 22px;
  }

  h1 {
    font-size: 38px;
    line-height: 1.12;
  }

  h2 {
    font-size: 26px;
  }

  h3 {
    font-size: 19px;
  }

  .lead {
    margin-bottom: 22px;
    font-size: 17px;
  }

  .section {
    padding: 34px 0;
  }

  .section-header {
    gap: 12px;
    margin-bottom: 18px;
  }

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

  .button {
    justify-content: center;
  }

  .section-header,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .report-grid,
  .method-strip,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .report-card {
    min-height: auto;
    padding: 16px;
  }

  .report-card h3,
  .card-copy {
    min-height: auto;
  }

  .list-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
  }

  .list-item .status {
    justify-self: start;
  }

  .article,
  .content-page {
    padding: 18px;
  }

  .article h1,
  .page-head h1 {
    font-size: 32px;
  }

  .article h2 {
    margin-top: 28px;
    font-size: 23px;
  }

  .article h3 {
    font-size: 19px;
  }

  .article ul,
  .article ol {
    padding-left: 20px;
  }

  .article table {
    min-width: 620px;
  }

  .side-box {
    padding: 14px;
  }

  .sidebar .side-box:not(:first-child) {
    display: none;
  }
}

@media (max-width: 380px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .nav {
    gap: 10px;
  }

  .brand span:last-child {
    max-width: 112px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-links {
    gap: 10px;
  }

  h1 {
    font-size: 34px;
  }

  .article h1,
  .page-head h1 {
    font-size: 29px;
  }
}