:root {
  --ink: #17211c;
  --muted: #66716b;
  --line: #dfe5e1;
  --surface: #ffffff;
  --surface-soft: #f5f7f6;
  --green: #315b43;
  --green-strong: #214733;
  --green-soft: #e6efe9;
  --orange: #df7d32;
  --orange-soft: #fff0e3;
  --blue: #2f66b5;
  --blue-soft: #e9f0fb;
  --red: #a64b48;
  --shadow: 0 12px 32px rgba(23, 33, 28, 0.08);
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(223, 229, 225, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand img {
  width: 216px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav a {
  color: #3d4842;
  font-size: 15px;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--green);
}

.header-action,
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 9px 16px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.2;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.header-action {
  background: var(--green);
  color: #fff;
  font-size: 14px;
}

.header-action:hover,
.button-primary:hover {
  background: var(--green-strong);
  transform: translateY(-1px);
}

.button-primary {
  background: var(--green);
  color: #fff;
}

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

.button-secondary:hover {
  border-color: #aebbb4;
  background: var(--surface-soft);
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #f7f9f8;
}

.hero::after {
  position: absolute;
  right: 7%;
  bottom: -74px;
  width: 260px;
  height: 180px;
  border: 28px solid rgba(49, 91, 67, 0.08);
  border-radius: 50%;
  content: "";
  transform: rotate(-14deg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 390px;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: center;
  gap: 72px;
  padding: 64px 0 58px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--orange);
  content: "";
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: 46px;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 16px 0 28px;
  color: #55615b;
  font-size: 18px;
}

.search-form {
  position: relative;
  display: flex;
  width: min(100%, 680px);
  min-height: 58px;
  align-items: center;
  border: 1px solid #cfd8d2;
  border-radius: 7px;
  background: #fff;
  box-shadow: var(--shadow);
}

.search-form:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(49, 91, 67, 0.12), var(--shadow);
}

.search-form > .icon {
  width: 21px;
  height: 21px;
  margin-left: 18px;
  opacity: 0.65;
}

.search-form input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 15px 14px;
  background: transparent;
  color: var(--ink);
}

.search-form input::placeholder {
  color: #929c96;
}

.search-form button {
  min-width: 92px;
  align-self: stretch;
  border: 0;
  border-radius: 0 6px 6px 0;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.hero-aside {
  border-left: 1px solid #ccd6d0;
  padding-left: 34px;
}

.hero-aside strong {
  display: block;
  margin-bottom: 14px;
  font-size: 16px;
}

.hero-aside ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-aside li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #59655f;
  font-size: 14px;
}

.hero-aside .icon {
  color: var(--orange);
}

.section {
  padding: 76px 0;
}

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

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

.section-heading h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.28;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 620px;
  margin: 8px 0 0;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-button {
  flex: 0 0 auto;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 14px;
  background: #fff;
  color: #56625c;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green-strong);
}

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

.resource-card {
  display: grid;
  min-height: 176px;
  grid-template-columns: 52px minmax(0, 1fr) 20px;
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 20px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.resource-card:hover {
  border-color: #adbbb3;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.resource-card[hidden] {
  display: none;
}

.resource-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 7px;
  background: var(--green-soft);
  color: var(--green-strong);
  font-size: 17px;
  font-weight: 900;
}

.resource-mark.orange {
  background: var(--orange-soft);
  color: #a95219;
}

.resource-mark.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.resource-body h3 {
  margin: 1px 0 4px;
  font-size: 17px;
  line-height: 1.35;
}

.resource-body p {
  min-height: 44px;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 4px;
  padding: 3px 7px;
  background: #f0f3f1;
  color: #637069;
  font-size: 12px;
  line-height: 1;
}

.resource-card > .icon {
  margin-top: 3px;
  color: #9ba59f;
}

.empty-state {
  display: none;
  border: 1px dashed #bdc8c1;
  border-radius: 7px;
  padding: 38px 24px;
  background: #fff;
  text-align: center;
}

.empty-state.is-visible {
  display: block;
}

.empty-state h3 {
  margin: 0 0 6px;
}

.empty-state p {
  margin: 0 0 18px;
  color: var(--muted);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.route-step {
  position: relative;
  min-height: 216px;
  padding: 28px 28px 26px;
  border-right: 1px solid var(--line);
}

.route-step:last-child {
  border-right: 0;
}

.route-number {
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
}

.route-step h3 {
  margin: 18px 0 8px;
  font-size: 19px;
}

.route-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guide-card {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 24px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.guide-card:hover {
  border-color: #adbbb3;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.guide-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.guide-kicker span:last-child {
  color: #8a958f;
  font-weight: 600;
}

.guide-card h3 {
  margin: 28px 0 10px;
  font-size: 21px;
  line-height: 1.38;
}

.guide-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.guide-card .text-link {
  margin-top: auto;
}

.cooperation-band {
  border-top: 1px solid #d9e2dc;
  border-bottom: 1px solid #d9e2dc;
  background: var(--green-soft);
}

.cooperation-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  padding: 48px 0;
}

.cooperation-inner h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.cooperation-inner p {
  max-width: 700px;
  margin: 0;
  color: #58665e;
}

.page-hero {
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.page-hero .container {
  padding-top: 66px;
  padding-bottom: 58px;
}

.page-hero p {
  max-width: 720px;
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: #7a857f;
  font-size: 13px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 260px;
  justify-content: space-between;
  gap: 70px;
  padding-top: 58px;
  padding-bottom: 80px;
}

.article-content {
  min-width: 0;
}

.article-content h2 {
  margin: 46px 0 14px;
  font-size: 26px;
  line-height: 1.35;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin: 30px 0 10px;
  font-size: 19px;
}

.article-content p,
.article-content li {
  color: #39463f;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
}

.article-content li + li {
  margin-top: 8px;
}

.article-note {
  margin: 30px 0;
  border-left: 4px solid var(--orange);
  padding: 18px 20px;
  background: var(--orange-soft);
  color: #70431e;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

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

.article-table th {
  background: var(--surface-soft);
}

.article-aside {
  align-self: start;
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.article-aside strong {
  display: block;
  margin-bottom: 12px;
}

.article-aside a {
  display: block;
  padding: 7px 0;
  color: var(--muted);
  font-size: 14px;
}

.article-aside a:hover {
  color: var(--green);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 56px;
  padding-top: 64px;
  padding-bottom: 80px;
}

.cooperation-list {
  border-top: 1px solid var(--line);
}

.cooperation-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

.cooperation-row h2 {
  margin: 0;
  font-size: 19px;
}

.cooperation-row p {
  margin: 0 0 10px;
  color: var(--muted);
}

.cooperation-row ul {
  margin: 0;
  padding-left: 20px;
  color: #46534c;
}

.contact-panel {
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 28px;
  background: #fff;
  box-shadow: var(--shadow);
}

.qr-wrap {
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  background: #fff;
}

.qr-wrap img {
  width: 220px;
  aspect-ratio: 1;
}

.contact-panel h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.contact-panel > p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.contact-line {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  color: #3c4942;
  font-size: 14px;
}

.contact-line .icon {
  color: var(--green);
}

.copy-button {
  width: 34px;
  height: 34px;
  margin-left: auto;
  border: 0;
  border-radius: 5px;
  background: var(--surface-soft);
  cursor: pointer;
}

.copy-button .icon {
  width: 16px;
  height: 16px;
  margin: auto;
}

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

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 38px 0 24px;
}

.footer-brand img {
  width: 190px;
  margin-bottom: 10px;
}

.footer-brand p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
  color: #59655f;
  font-size: 13px;
}

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

.footer-bottom {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: #7a857f;
  font-size: 12px;
}

.footer-bottom a:hover {
  color: var(--green);
}

.not-found {
  display: grid;
  min-height: 58vh;
  place-items: center;
  padding: 80px 20px;
  text-align: center;
}

.not-found strong {
  display: block;
  color: var(--orange);
  font-size: 84px;
  line-height: 1;
}

.not-found h1 {
  margin: 16px 0 8px;
  font-size: 30px;
}

.not-found p {
  margin: 0 0 24px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-nav,
  .header-action {
    display: none;
  }

  .menu-button {
    display: inline-flex;
    margin-left: auto;
  }

  .mobile-nav {
    position: fixed;
    inset: 73px 0 auto;
    z-index: 29;
    display: none;
    border-bottom: 1px solid var(--line);
    padding: 14px 20px 22px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .mobile-nav.is-open {
    display: grid;
    gap: 4px;
  }

  .mobile-nav a {
    border-bottom: 1px solid #eef1ef;
    padding: 13px 2px;
    font-weight: 700;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 36px;
  }

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

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

  .route-step:nth-child(2) {
    border-right: 0;
  }

  .route-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .article-aside {
    order: -1;
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 20px;
  }

  .contact-panel {
    width: min(100%, 460px);
  }
}

@media (max-width: 700px) {
  .container {
    width: min(calc(100% - 28px), var(--content));
  }

  .header-inner {
    min-height: 64px;
  }

  .brand img {
    width: 180px;
  }

  .mobile-nav {
    inset: 65px 0 auto;
  }

  .hero-inner {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
    padding: 48px 0 42px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .hero-copy,
  .page-hero p {
    font-size: 16px;
  }

  .hero-aside {
    border-top: 1px solid #ccd6d0;
    border-left: 0;
    padding-top: 24px;
    padding-left: 0;
  }

  .search-form {
    min-height: 54px;
  }

  .search-form button {
    min-width: 74px;
  }

  .section {
    padding: 56px 0;
  }

  .section-heading {
    align-items: start;
  }

  .section-heading h2 {
    font-size: 26px;
  }

  .resource-grid,
  .guide-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .route-step,
  .route-step:nth-child(2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .route-step:last-child {
    border-bottom: 0;
  }

  .cooperation-inner,
  .footer-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .cooperation-inner .button {
    justify-self: start;
  }

  .page-hero .container {
    padding-top: 46px;
    padding-bottom: 42px;
  }

  .article-layout,
  .contact-layout {
    gap: 38px;
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .article-table {
    display: block;
    overflow-x: auto;
  }

  .cooperation-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    padding: 14px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}