:root {
  --accent: #0f766e;
  --accent-dark: #134e4a;
  --ink: #14211f;
  --muted: #62706d;
  --paper: #fbfdfc;
  --soft: #edf7f4;
  --line: #d8e5e1;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(20, 33, 31, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

a { color: inherit; text-decoration: none; }
p { margin: 0; line-height: 1.78; }
h1, h2, h3 { margin: 0; line-height: 1.18; letter-spacing: 0; }
input { font: inherit; }

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 253, 252, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  width: 112px;
  height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--white);
  border-radius: 8px;
  font-weight: 800;
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: #40504d;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--soft);
  color: var(--accent-dark);
}

.hero-band {
  background:
    linear-gradient(120deg, rgba(15, 118, 110, 0.12), rgba(255,255,255,0)),
    linear-gradient(180deg, #ffffff, #f2faf8);
  border-bottom: 1px solid var(--line);
}

.hero-layout {
  min-height: 460px;
  display: block;
  align-items: center;
  padding: 54px 0;
}

.hero-copy {
  max-width: 860px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero-copy h1 {
  margin-top: 12px;
  font-size: clamp(44px, 7vw, 76px);
}

.lead {
  margin-top: 18px;
  max-width: 720px;
  color: #40504d;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
}

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

.secondary-btn {
  border: 1px solid var(--line);
  background: var(--white);
}

.source-panel {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 8px;
  padding: 24px;
}

.source-panel h2 {
  font-size: 22px;
  margin-bottom: 18px;
}

.source-panel dl,
.source-panel dd {
  margin: 0;
}

.source-panel div {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.source-panel dt {
  color: var(--muted);
  font-size: 13px;
}

.source-panel dd {
  margin-top: 4px;
  font-weight: 700;
}

.section,
.page,
.article-page {
  padding: 44px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 22px;
}

.section-head h2,
.page-title h1,
.article-head h1 {
  font-size: clamp(30px, 4vw, 46px);
}

.section-head p,
.page-title p,
.article-head p {
  margin-top: 10px;
  color: var(--muted);
  max-width: 780px;
}

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

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

.category-card,
.article-card,
.list-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(20, 33, 31, 0.05);
}

.category-card {
  padding: 22px;
}

.category-card span {
  color: var(--accent);
  font-weight: 800;
}

.category-card h3 {
  margin-top: 14px;
  font-size: 22px;
}

.category-card p {
  margin-top: 12px;
  color: var(--muted);
}

.category-card small {
  display: block;
  margin-top: 18px;
  color: #49615d;
}

.article-card a,
.list-item a {
  display: block;
  padding: 22px;
}

.article-card small,
.list-item time,
.article-meta {
  color: var(--accent);
  font-size: 13px;
}

.article-card h3,
.list-item h2 {
  margin-top: 12px;
  font-size: 22px;
}

.article-card p,
.list-item p {
  margin-top: 12px;
  color: var(--muted);
}

.read-more {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-dark);
  font-weight: 700;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.search-box span {
  color: var(--muted);
}

.search-box input {
  min-width: 220px;
  height: 34px;
  border: 0;
  outline: 0;
}

.page-title,
.article-head {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

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

.region-filter {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(180px, 240px) auto 1fr;
  align-items: end;
  gap: 14px;
  padding: 18px;
  margin-bottom: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.region-filter label,
.region-filter span {
  display: block;
}

.region-filter span {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.region-filter select {
  width: 100%;
  height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

.region-filter button {
  height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--accent-dark);
  cursor: pointer;
  font: inherit;
}

.region-filter p {
  justify-self: end;
  color: var(--muted);
  padding-bottom: 7px;
}

.region-chip {
  display: inline-flex;
  margin-left: 10px;
  color: #49615d;
  font-size: 13px;
}

.tag-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.tag-row span {
  padding: 5px 9px;
  background: var(--soft);
  color: var(--accent-dark);
  border-radius: 6px;
  font-size: 12px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.pagination button,
.page-jump input {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.page-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.page-jump input {
  width: 86px;
  padding: 0 10px;
  background: var(--white);
  color: var(--ink);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.pagination button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

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

.breadcrumb {
  display: flex;
  gap: 8px;
  color: var(--muted);
  margin-bottom: 18px;
}

.article-head h1 {
  margin-top: 12px;
  max-width: 920px;
}

.article-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.markdown-body {
  max-width: 860px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.markdown-body h1:first-child,
.markdown-body h2:first-child,
.markdown-body h3:first-child {
  margin-top: 0;
}

.markdown-body p,
.markdown-body li {
  color: #33413f;
  line-height: 1.9;
}

.markdown-body ul {
  padding-left: 22px;
}

.about-hero {
  background:
    linear-gradient(120deg, rgba(15, 118, 110, 0.14), rgba(255, 255, 255, 0)),
    #ffffff;
  border-bottom: 1px solid var(--line);
}

.about-hero-inner {
  padding: 54px 0 46px;
}

.about-hero h1 {
  margin-top: 12px;
  font-size: clamp(38px, 6vw, 64px);
}

.about-hero p:not(.eyebrow) {
  margin-top: 16px;
  max-width: 860px;
  color: #40504d;
  font-size: 19px;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  padding: 42px 0;
  align-items: start;
}

.about-main {
  display: grid;
  gap: 22px;
}

.about-section,
.side-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 28px rgba(20, 33, 31, 0.04);
}

.about-section h2,
.side-panel h2 {
  font-size: 26px;
  margin-bottom: 12px;
}

.mission-block {
  background: var(--soft);
}

.mission-block p,
.muted-text {
  color: #40504d;
}

.trust-section {
  border-color: rgba(15, 118, 110, 0.28);
}

.trust-lead {
  color: #40504d;
  margin-bottom: 18px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.trust-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.trust-card h3 {
  font-size: 20px;
}

.trust-card p {
  margin-top: 10px;
  color: var(--muted);
}

.section-head.compact {
  display: block;
  margin-bottom: 18px;
}

.about-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.about-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--paper);
}

.about-card h3,
.about-chain h3 {
  font-size: 20px;
}

.about-card p,
.about-chain p,
.about-chain small {
  margin-top: 10px;
  color: var(--muted);
}

.about-chain {
  display: grid;
  gap: 12px;
}

.about-chain article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.about-chain span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-weight: 800;
}

.check-list,
.side-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li,
.side-panel li {
  position: relative;
  padding-left: 22px;
  color: #33413f;
  line-height: 1.75;
}

.check-list li::before,
.side-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.about-sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 16px;
}

.info-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.info-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-list dt {
  color: var(--muted);
  font-size: 13px;
}

.info-list dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.table-scroll {
  overflow-x: auto;
  margin: 18px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

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

th {
  background: var(--soft);
}

.state-block {
  padding: 80px 0;
}

.plain-fallback {
  padding: 32px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #f2faf8;
}

.footer-inner {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
}

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

.footer-brand {
  max-width: 560px;
}

.footer-legal {
  text-align: right;
}

.footer-links {
  margin-top: 4px;
}

.footer-links a {
  color: var(--accent-dark);
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact {
  margin-top: 4px;
}

@media (max-width: 900px) {
  .header-inner,
  .section-head,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-layout,
  .category-grid,
  .article-grid,
  .region-filter,
  .about-layout,
  .about-card-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .region-filter p {
    justify-self: start;
  }

  .about-sidebar {
    position: static;
  }

  .hero-layout {
    min-height: auto;
  }

  .footer-legal {
    text-align: left;
  }

  .search-box,
  .search-box input {
    width: 100%;
  }
}