:root {
  color-scheme: light;
  --ink: #18252b;
  --muted: #64757a;
  --paper: #f4f7f3;
  --surface: #ffffff;
  --surface-soft: #f8fbf9;
  --line: #d9e3df;
  --teal: #147d78;
  --teal-dark: #0c5d5b;
  --coral: #e4745f;
  --sun: #e2ad45;
  --shadow: 0 18px 48px rgba(24, 37, 43, 0.08);
  --content-width: 1120px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --body-size: clamp(0.98rem, 0.18vw + 0.94rem, 1.05rem);
  --display-size: clamp(2.8rem, 6.4vw, 5.2rem);
  --heading-size: clamp(1.75rem, 3vw, 2.4rem);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 4%, rgba(20, 125, 120, 0.09), transparent 25rem),
    linear-gradient(180deg, #fbfdfb 0, var(--paper) 35rem);
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: var(--body-size);
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

::selection {
  color: #fff;
  background: var(--teal);
}

:focus-visible {
  outline: 3px solid rgba(20, 125, 120, 0.38);
  outline-offset: 4px;
}

.hero,
main,
footer {
  width: min(var(--content-width), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
}

.hero {
  padding: 2rem 0 5.5rem;
}

.topline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand-logo {
  display: inline-grid;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.7rem;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 8px 20px rgba(20, 125, 120, 0.2);
}

.eyebrow,
.region,
.kicker,
.module-state,
.progress-value {
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

.region {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.signin {
  display: inline-flex;
  align-items: center;
  margin-left: 1.1rem;
  padding: 0.35rem 0.95rem;
  border: 1px solid var(--teal);
  border-radius: 999px;
  color: var(--teal-dark);
  font-size: 0.8rem;
  font-weight: 750;
  transition: background-color 160ms ease, color 160ms ease;
}

.signin:hover {
  background: var(--teal);
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  gap: clamp(2.5rem, 7vw, 5.5rem);
  align-items: end;
  padding-top: clamp(4.5rem, 10vw, 7rem);
}

.kicker {
  margin: 0 0 0.65rem;
  color: var(--coral);
  font-size: 0.76rem;
  font-weight: 850;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  margin-bottom: 1.25rem;
  font-size: var(--display-size);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.lead {
  max-width: 38rem;
  margin-bottom: 1.55rem;
  color: var(--muted);
  font-size: clamp(1rem, 0.45vw + 0.92rem, 1.12rem);
  line-height: 1.7;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0;
  color: var(--teal-dark);
  font-weight: 750;
}

.status-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 0.32rem #f5e9ca;
}

.hero-note {
  padding: 1.25rem 1.25rem 0;
  border-top: 3px solid var(--coral);
  background: rgba(255, 255, 255, 0.56);
}

.note-index,
.module-index,
.progress-number {
  color: var(--coral);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.11em;
}

.hero-note p {
  margin: 0.8rem 0 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-note strong {
  display: block;
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.48;
}

main {
  padding-bottom: 3.5rem;
}

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.6rem;
}

.section-heading .kicker {
  margin-bottom: 0;
}

h2 {
  margin-bottom: 0;
  font-size: var(--heading-size);
  font-weight: 790;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

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

.module {
  min-height: 14.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 6px 20px rgba(24, 37, 43, 0.035);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.module:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.module-download {
  border-top: 4px solid var(--teal);
}

.module-ict {
  border-top: 4px solid var(--coral);
}

.module h3 {
  margin: 2rem 0 0.55rem;
  font-size: clamp(1.25rem, 1.4vw, 1.45rem);
  font-weight: 820;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.module p {
  max-width: 23rem;
  margin-bottom: 1.6rem;
  color: var(--muted);
  line-height: 1.6;
}

.module-state {
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.module-ict .module-state {
  color: #a85443;
}

.progress-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.progress-list li {
  min-height: 7.4rem;
  padding: 1.2rem;
  border-left: 4px solid var(--teal);
  background: var(--surface);
  box-shadow: 0 6px 20px rgba(24, 37, 43, 0.035);
}

.progress-list li:nth-child(2) {
  border-left-color: var(--sun);
}

.progress-list div {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.progress-list strong {
  font-size: 1rem;
  line-height: 1.35;
}

.progress-value {
  color: var(--teal-dark);
  font-size: 0.7rem;
  font-weight: 850;
}

.progress-value.doing {
  color: #9c7221;
}

.quiet-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.55fr);
  gap: clamp(2.5rem, 7vw, 5.5rem);
  align-items: end;
}

.quiet-section p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.35rem 0 2.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

footer strong {
  color: var(--teal-dark);
  letter-spacing: 0.08em;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 760px) {
  .hero,
  main,
  footer {
    width: min(100% - 1.75rem, 560px);
  }

  .hero {
    padding-top: 1.35rem;
    padding-bottom: 3.75rem;
  }

  .hero-grid,
  .quiet-section {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding-top: 3.75rem;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 3.65rem);
  }

  .section {
    padding: 2.8rem 0;
  }

  .module-grid,
  .progress-list {
    grid-template-columns: 1fr;
  }

  footer {
    display: block;
  }

  footer span {
    display: block;
    margin-top: 0.45rem;
  }
}