:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-muted: #eef3f6;
  --text: #18212f;
  --muted: #5d6b7c;
  --line: #dbe3ea;
  --primary: #136b5f;
  --primary-strong: #0b4f47;
  --accent: #c6762f;
  --ink: #101820;
  --shadow: 0 18px 48px rgba(16, 24, 32, 0.08);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
}

a,
button,
code,
td,
th {
  overflow-wrap: anywhere;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 12px;
}

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

.narrow {
  width: min(100% - 32px, 880px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-block;
  border-radius: 8px;
  background: url("/icon.png") center / cover no-repeat;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
  flex: 0 0 auto;
}

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

.brand strong {
  font-size: 16px;
}

.brand small {
  margin-top: -2px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--primary);
}

.site-nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 800;
}

.menu-button {
  width: 42px;
  height: 42px;
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 9px;
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  padding: 84px 0 56px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  font-size: 64px;
}

h2 {
  font-size: 42px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  color: #12322f;
  background: rgba(19, 107, 95, 0.08);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 18px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #101820;
}

pre code {
  display: block;
  padding: 0;
  color: #e8f1f8;
  background: transparent;
  line-height: 1.6;
}

.hero-summary {
  max-width: 760px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 19px;
}

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

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 750;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--primary-strong);
  border-color: rgba(19, 107, 95, 0.28);
  background: rgba(19, 107, 95, 0.08);
}

.button.ghost {
  background: #fff;
}

.verification {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow);
}

.hero-visual {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #eef3f6;
}

.status-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.status-card p {
  color: var(--muted);
  font-size: 14px;
}

.status-dot {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
  background: #1aaf76;
  box-shadow: 0 0 0 7px rgba(26, 175, 118, 0.13);
}

.quick-facts {
  display: grid;
  gap: 16px;
  margin: 18px 0 0;
}

.quick-facts div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
}

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

.quick-facts dd {
  margin: 0;
  font-weight: 700;
}

.notice-band {
  padding: 16px 0;
  color: #233244;
  background: #eaf2f0;
  border-bottom: 1px solid rgba(19, 107, 95, 0.16);
}

.section {
  padding: 72px 0;
}

.section.muted {
  background: var(--surface-muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 30px rgba(16, 24, 32, 0.04);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: #334155;
  background: #f7fafc;
  font-size: 13px;
}

td {
  color: #2b3a4c;
}

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

td a {
  color: var(--primary);
  font-weight: 700;
}

.card-grid {
  display: grid;
  gap: 16px;
}

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

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.info-card {
  min-height: 158px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.info-card.accent {
  border-top: 4px solid var(--accent);
}

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

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 42px;
  align-items: start;
}

.article-flow {
  max-width: 820px;
}

.article-flow h3 {
  margin-top: 34px;
}

.article-flow p,
.article-flow li {
  color: var(--muted);
}

.article-flow p {
  margin-top: 14px;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 16px 0 0;
  list-style: none;
}

.check-list li {
  padding-left: 28px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--primary);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.route-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.route-grid p {
  margin-top: 8px;
}

.sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.sidebar strong {
  margin-bottom: 4px;
}

.sidebar a {
  color: var(--muted);
  text-decoration: none;
}

.sidebar a:hover {
  color: var(--primary);
}

.number-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 24px;
}

.number-list li {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 800;
}

details p {
  padding: 0 20px 18px;
  color: var(--muted);
}

.link-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.link-columns div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.link-columns h3 {
  margin-bottom: 12px;
}

.link-columns a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  text-decoration: none;
  border-top: 1px solid #edf2f7;
}

.link-columns a:hover {
  color: var(--primary);
}

.site-footer {
  padding: 44px 0;
  color: #c7d1db;
  background: #101820;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}

.footer-brand {
  color: #fff;
}

.site-footer p {
  max-width: 430px;
  margin-top: 14px;
}

.site-footer h3 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 10px;
}

.site-footer nav a {
  display: block;
  padding: 4px 0;
  color: #c7d1db;
  text-decoration: none;
}

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

@media (max-width: 940px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    max-height: calc(100vh - 88px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow-y: auto;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 8px;
  }

  .hero-grid,
  .content-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 34px;
  }

  .sidebar {
    position: static;
  }

  .card-grid.six,
  .card-grid.four,
  .card-grid.three,
  .link-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .container,
  .narrow {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    min-height: 64px;
    gap: 14px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .menu-button {
    width: 40px;
    height: 40px;
  }

  .site-nav {
    top: 64px;
    left: 14px;
    right: 14px;
    max-height: calc(100vh - 78px);
  }

  .hero {
    padding: 42px 0 34px;
  }

  .hero-grid {
    gap: 26px;
  }

  h1 {
    font-size: 32px;
    line-height: 1.16;
  }

  h2 {
    font-size: 28px;
    line-height: 1.2;
  }

  .section-heading p:not(.eyebrow),
  .hero-summary {
    font-size: 16px;
  }

  .hero-summary {
    margin-top: 16px;
  }

  .hero-actions {
    margin-top: 22px;
  }

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

  .button {
    min-height: 46px;
    padding: 10px 12px;
  }

  .verification {
    font-size: 13px;
  }

  .hero-panel {
    padding: 16px;
    box-shadow: 0 12px 34px rgba(16, 24, 32, 0.07);
  }

  .hero-visual {
    margin-bottom: 14px;
  }

  .status-card {
    gap: 10px;
    padding-bottom: 14px;
  }

  .quick-facts {
    gap: 12px;
    margin-top: 14px;
  }

  .quick-facts div,
  .route-grid,
  .card-grid.six,
  .card-grid.four,
  .card-grid.three,
  .link-columns {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 46px 0;
  }

  .info-card,
  .link-columns div,
  .route-grid article,
  .sidebar,
  details summary,
  pre {
    padding: 16px;
  }

  table {
    min-width: 640px;
  }

  th,
  td {
    padding: 13px 14px;
  }
}