:root {
  --paper: #fff9ef;
  --ink: #1f2133;
  --muted: #5c5f77;
  --line: rgba(31, 33, 51, 0.14);
  --sun: #ff8a3d;
  --berry: #ff5577;
  --mint: #5ad8a6;
  --sky: #49a6ff;
  --gold: #ffc84a;
  --panel: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 60px rgba(57, 33, 5, 0.12);
  --radius-xl: 8px;
  --radius-lg: 6px;
  --radius-md: 4px;
  --max-width: 1652px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 200, 74, 0.55), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(73, 166, 255, 0.3), transparent 24%),
    linear-gradient(180deg, #fff3d8 0%, #fff8ec 43%, #fffdf8 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto auto 0 0;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 85, 119, 0.12);
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
}

body::after {
  inset: 14% 0 auto auto;
  width: 240px;
  height: 240px;
  background: rgba(90, 216, 166, 0.18);
}

a {
  color: inherit;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 28px 22px 36px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--berry), var(--sun));
  color: white;
  box-shadow: 0 14px 32px rgba(255, 85, 119, 0.26);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(31, 33, 51, 0.08);
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  transform: translateY(-1px);
  background: white;
  border-color: rgba(31, 33, 51, 0.18);
  outline: none;
}

.hero,
.feature-slab,
.split-panel,
.policy-ribbon,
.doc-card,
.doc-side-card {
  animation: rise 520ms ease-out both;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 26px;
  align-items: stretch;
}

.hero-copy,
.hero-art,
.feature-slab,
.story-block,
.policy-ribbon,
.doc-card,
.doc-side-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 42px;
}

.hero-copy h1,
.doc-hero h1,
.slab-heading h2,
.story-block h2,
.policy-ribbon h2 {
  margin: 0;
  font-family: "Baskerville", "Times New Roman", "Songti SC", "STSong", serif;
  line-height: 1;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  letter-spacing: -0.04em;
  max-width: 8ch;
}

.kicker {
  margin: 0 0 14px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--berry);
}

.hero-text,
.doc-intro,
.support-card p,
.story-block p,
.story-list,
.doc-card p,
.doc-card li,
.site-footer p,
.doc-side-card p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 34rem;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, var(--sun), var(--berry));
  color: white;
  box-shadow: 0 16px 30px rgba(255, 85, 119, 0.24);
}

.button-secondary {
  border: 1px solid rgba(31, 33, 51, 0.14);
  background: white;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 0;
}

.hero-meta div {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  border: 1px dashed rgba(31, 33, 51, 0.1);
}

.hero-meta dt {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-meta dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.hero-art {
  position: relative;
  min-height: 540px;
  padding: 24px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(73, 166, 255, 0.12), rgba(255, 255, 255, 0.86)),
    linear-gradient(0deg, rgba(255, 138, 61, 0.1), rgba(255, 138, 61, 0.1));
}

.orbit-card {
  position: absolute;
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  color: var(--ink);
  box-shadow: 0 20px 42px rgba(31, 33, 51, 0.14);
}

.orbit-card strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.orbit-card p {
  margin: 0;
  color: inherit;
  opacity: 0.82;
  line-height: 1.6;
}

.orbit-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.orbit-main {
  inset: 12% 16% auto 10%;
  background: linear-gradient(135deg, #fff3ba, #ffd1a6);
  transform: rotate(-8deg);
}

.orbit-side {
  width: 240px;
}

.orbit-warm {
  inset: auto 10% 24% auto;
  background: linear-gradient(135deg, #ff7f6b, #ffa4b2);
  color: white;
  transform: rotate(8deg);
}

.orbit-cool {
  inset: auto auto 10% 8%;
  background: linear-gradient(135deg, #6edbcb, #77b8ff);
  color: white;
  transform: rotate(-10deg);
}

.decor-dot {
  position: absolute;
  border-radius: 50%;
}

.decor-dot-a {
  inset: 10% auto auto 8%;
  width: 34px;
  height: 34px;
  background: var(--berry);
}

.decor-dot-b {
  inset: auto 14% 12% auto;
  width: 66px;
  height: 66px;
  background: var(--gold);
}

.decor-wave {
  position: absolute;
  inset: auto auto 24% 50%;
  width: 220px;
  height: 220px;
  border: 3px solid rgba(31, 33, 51, 0.12);
  border-radius: 46% 54% 52% 48%;
}

.feature-slab {
  margin-top: 28px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.9)),
    linear-gradient(0deg, rgba(255, 200, 74, 0.14), rgba(255, 200, 74, 0.14));
}

.slab-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.slab-heading h2,
.story-block h2,
.policy-ribbon h2,
.doc-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.04em;
}

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

.support-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid rgba(31, 33, 51, 0.08);
}

.support-card:nth-child(2) {
  background: linear-gradient(180deg, rgba(255, 200, 74, 0.22), rgba(255, 255, 255, 0.96));
}

.support-card:nth-child(3) {
  background: linear-gradient(180deg, rgba(90, 216, 166, 0.18), rgba(255, 255, 255, 0.96));
}

.support-card h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.story-block {
  padding: 30px;
}

.story-brand {
  background:
    linear-gradient(120deg, rgba(255, 85, 119, 0.1), rgba(255, 255, 255, 0.92)),
    white;
}

.story-support {
  background:
    linear-gradient(120deg, rgba(73, 166, 255, 0.1), rgba(255, 255, 255, 0.92)),
    white;
}

.story-block p {
  margin: 18px 0 0;
}

.story-list {
  margin: 18px 0 0;
  padding-left: 20px;
}

.story-list li + li {
  margin-top: 10px;
}

.policy-ribbon {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(0, 1.26fr);
  gap: 18px;
  align-items: center;
  margin-top: 28px;
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(73, 166, 255, 0.22), transparent 24%),
    linear-gradient(135deg, rgba(255, 138, 61, 0.14), rgba(255, 255, 255, 0.94));
}

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

.policy-link {
  display: block;
  min-height: 100%;
  padding: 22px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  background: white;
  border: 1px solid rgba(31, 33, 51, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.policy-link:hover,
.policy-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(31, 33, 51, 0.1);
  outline: none;
}

.policy-link span {
  display: block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.policy-link strong {
  display: block;
  line-height: 1.55;
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  align-items: start;
}

.doc-layout-single {
  grid-template-columns: minmax(0, 960px);
  justify-content: center;
}

.doc-layout-single .doc-hero,
.doc-layout-single .doc-card {
  grid-column: auto;
}

.doc-layout-single .doc-hero {
  padding-left: 0;
  padding-right: 0;
}

.doc-hero {
  grid-column: 1 / 2;
  padding: 10px 8px 0 4px;
}

.doc-intro {
  max-width: 54rem;
  margin: 18px 0 0;
  font-size: 1rem;
}

.doc-intro a,
.doc-card a,
.site-footer a {
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.doc-side-card {
  grid-column: 2 / 3;
  position: sticky;
  top: 24px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 200, 74, 0.28), rgba(255, 255, 255, 0.88));
}

.doc-side-card span {
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.doc-side-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.5rem;
}

.doc-side-card p {
  margin-top: 12px;
}

.doc-card {
  grid-column: 1 / 2;
  padding: 26px 28px;
  background: rgba(255, 255, 255, 0.84);
}

.accent-card {
  background:
    linear-gradient(120deg, rgba(255, 85, 119, 0.08), rgba(255, 255, 255, 0.92)),
    white;
}

.doc-card h2 {
  margin: 0 0 14px;
  font-size: 1.5rem;
}

.doc-card p {
  margin: 0;
}

.doc-card p + p,
.doc-card ul {
  margin-top: 12px;
}

.doc-card ul {
  padding-left: 20px;
}

.doc-card li + li {
  margin-top: 8px;
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: center;
  margin-top: 30px;
  padding: 18px 4px 0;
}

.site-footer strong {
  display: block;
  font-size: 1.04rem;
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .support-grid,
  .split-panel,
  .policy-ribbon,
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 11ch;
  }

  .doc-side-card,
  .doc-card,
  .doc-hero {
    grid-column: auto;
  }

  .doc-side-card {
    position: static;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .page-shell {
    padding: 16px 14px 24px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy,
  .hero-art,
  .feature-slab,
  .story-block,
  .policy-ribbon,
  .doc-card,
  .doc-side-card {
    border-radius: var(--radius-lg);
  }

  .hero-copy,
  .feature-slab,
  .story-block,
  .policy-ribbon,
  .doc-card {
    padding: 22px;
  }

  .hero-art {
    min-height: 420px;
  }

  .hero-meta,
  .policy-links {
    grid-template-columns: 1fr;
  }

  .slab-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }

  .orbit-main {
    inset: 10% 10% auto 8%;
  }

  .orbit-side {
    width: 210px;
  }
}