:root {
  --ink: #17211d;
  --muted: #60706a;
  --paper: #f5f2ea;
  --line: #d9d5c7;
  --green: #2f7d5c;
  --teal: #1f6f78;
  --blue: #386aa6;
  --red: #b94d3f;
  --amber: #d69a35;
  --white: #fffdf8;
  --shadow: 0 18px 48px rgba(23, 33, 29, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(31, 111, 120, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(31, 111, 120, 0.07) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(245, 242, 234, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  background: var(--green);
  border-radius: 6px;
}

.nav {
  display: flex;
  gap: clamp(12px, 3vw, 28px);
  font-size: 14px;
}

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

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

.hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: end;
  padding: clamp(56px, 8vw, 94px) clamp(20px, 5vw, 72px) 48px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(245, 242, 234, 0.96) 0%, rgba(245, 242, 234, 0.76) 48%, rgba(245, 242, 234, 0.24) 100%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  max-width: 760px;
  transform: translateY(-188px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(44px, 8vw, 88px);
  line-height: 1.03;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy {
  max-width: 680px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.primary,
.secondary {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

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

.secondary {
  color: var(--ink);
  border: 1px solid var(--ink);
  background: rgba(255, 253, 248, 0.58);
}

.section {
  padding: clamp(52px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.summary-item {
  min-height: 126px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 28px;
  background: var(--white);
}

.summary-item strong {
  font-size: 24px;
}

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

.two-column {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.5fr);
  gap: clamp(28px, 5vw, 72px);
}

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

.feature-card {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(23, 33, 29, 0.07);
}

.feature-card img {
  width: 100%;
  margin-bottom: 18px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

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

.timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.timeline article {
  min-height: 250px;
  padding: 24px;
  background: var(--paper);
}

.timeline span {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.layout-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.check-list li {
  position: relative;
  padding-left: 26px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 3px;
}

.wide-image {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.roles {
  background: #eef3ef;
  border-block: 1px solid var(--line);
}

.role-table {
  display: grid;
  border: 1px solid var(--line);
  background: var(--white);
}

.role-table [role="row"] {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 1.2fr;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
}

.role-table [role="row"]:last-child {
  border-bottom: 0;
}

.role-table span {
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}

.role-table span:last-child {
  border-right: 0;
}

.table-head {
  color: var(--white);
  background: var(--teal);
  font-weight: 900;
}

.faq {
  background: var(--white);
}

.accordion {
  display: grid;
  gap: 12px;
}

.accordion-item {
  width: 100%;
  padding: 20px;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.accordion-item span {
  display: block;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.accordion-item small {
  display: none;
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.accordion-item[aria-expanded="true"] small {
  display: block;
}

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
}

.footer a {
  color: #d9efe4;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .two-column,
  .layout-panel {
    grid-template-columns: 1fr;
  }

  .summary-band,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    transform: translateY(-108px);
  }

  .hero-media::after {
    background: linear-gradient(180deg, rgba(245, 242, 234, 0.98) 0%, rgba(245, 242, 234, 0.86) 54%, rgba(245, 242, 234, 0.28) 100%);
  }

  .summary-band,
  .feature-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .role-table,
  .role-table [role="row"] {
    display: block;
  }

  .role-table [role="row"] {
    padding: 14px 0;
  }

  .role-table span {
    border-right: 0;
  }

  .footer {
    flex-direction: column;
  }
}