:root {
  --bg: #f8fcf7;
  --bg-soft: #fffaf4;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(100, 136, 116, 0.14);
  --line-strong: rgba(100, 136, 116, 0.22);
  --text: #28342d;
  --muted: #6a786f;
  --accent: #6f9f84;
  --accent-deep: #4f715f;
  --shadow: 0 22px 48px rgba(118, 144, 127, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family:
    "Avenir Next",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(219, 238, 225, 0.86), transparent 26%),
    radial-gradient(circle at 100% 0%, rgba(248, 230, 215, 0.8), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #f4faf5 48%, var(--bg-soft) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.16)),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.25), transparent 18%);
}

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

a:focus-visible {
  outline: 2px solid rgba(79, 113, 95, 0.34);
  outline-offset: 4px;
}

.page-shell {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(36px);
  pointer-events: none;
  opacity: 0.82;
}

.orb-a {
  top: 92px;
  left: -90px;
  width: 260px;
  height: 260px;
  background: rgba(178, 220, 194, 0.56);
}

.orb-b {
  right: -70px;
  bottom: 80px;
  width: 280px;
  height: 280px;
  background: rgba(248, 221, 202, 0.6);
}

.hero,
.section,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 24px 0 12px;
}

.topbar,
.hero-panel,
.link-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(145deg, #f7fff9 0%, #deefe5 100%);
  color: var(--accent-deep);
  font-size: 1.08rem;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong,
.brand-copy span,
.site-footer p {
  display: block;
  margin: 0;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.topbar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--accent-deep);
  font-size: 0.9rem;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.72fr);
  gap: 18px;
  margin-top: 18px;
  padding: 24px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(246, 252, 247, 0.9)),
    var(--surface);
}

.hero-copy {
  padding: 8px 4px;
}

.eyebrow,
.section-tag,
.time-label {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.hero-copy h1,
.section-head h2 {
  margin: 0;
  font-family:
    "Iowan Old Style",
    "Palatino Linotype",
    "Songti SC",
    "STSong",
    serif;
  font-weight: 600;
  line-height: 1.06;
}

.hero-copy h1 {
  margin-top: 18px;
  font-size: clamp(2.9rem, 6vw, 4.9rem);
}

.hero-text,
.link-card p,
.time-note {
  color: var(--muted);
  line-height: 1.9;
}

.hero-text {
  max-width: 560px;
  margin: 18px 0 0;
  font-size: 1rem;
}

.time-card {
  padding: 20px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(241, 249, 244, 0.96)),
    var(--surface-strong);
}

.time-card strong {
  display: block;
  margin-top: 6px;
  font-family:
    "Iowan Old Style",
    "Palatino Linotype",
    "Songti SC",
    "STSong",
    serif;
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 600;
}

.time-date {
  margin: 8px 0 0;
  color: var(--muted);
}

.time-note {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(79, 113, 95, 0.2);
}

.section {
  padding: 14px 0;
}

.section-head {
  margin-bottom: 18px;
  padding: 0 2px;
}

.section-head h2 {
  margin-top: 10px;
  font-size: clamp(2rem, 4vw, 3rem);
}

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

.link-card {
  position: relative;
  overflow: hidden;
  min-height: 182px;
  padding: 24px;
  border-radius: 28px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.link-card::after {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -34px;
  width: 110px;
  height: 110px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.56);
  transform: rotate(18deg);
}

.link-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 40px rgba(118, 144, 127, 0.14);
}

.link-card h3,
.link-card p,
.link-card span {
  position: relative;
  z-index: 1;
}

.link-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

.link-card p {
  margin: 12px 0 0;
}

.link-card span {
  display: inline-flex;
  margin-top: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-deep);
  font-size: 0.9rem;
}

.tone-green {
  background: linear-gradient(180deg, #ffffff 0%, #eff8f2 100%);
}

.tone-blue {
  background: linear-gradient(180deg, #ffffff 0%, #eef6fb 100%);
}

.tone-peach {
  background: linear-gradient(180deg, #ffffff 0%, #fff3eb 100%);
}

.tone-cream {
  background: linear-gradient(180deg, #ffffff 0%, #fbf7ea 100%);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0 30px;
  color: var(--muted);
  font-size: 0.94rem;
  border-top: 1px solid rgba(100, 136, 116, 0.14);
}

.footer-copy p,
.footer-copy span {
  display: block;
  margin: 0;
}

.footer-copy span {
  margin-top: 4px;
}

.site-footer a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.hero-panel,
.link-card {
  animation: fade-up 620ms ease both;
}

.link-card:nth-child(2) {
  animation-delay: 60ms;
}

.link-card:nth-child(3) {
  animation-delay: 120ms;
}

.link-card:nth-child(4) {
  animation-delay: 180ms;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

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

@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: 820px) {
  .topbar,
  .site-footer {
    flex-direction: column;
    align-items: start;
  }

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

@media (max-width: 640px) {
  .hero,
  .section,
  .site-footer {
    width: min(100% - 18px, 980px);
  }

  .hero {
    padding-top: 14px;
  }

  .topbar,
  .hero-panel,
  .link-card,
  .time-card {
    border-radius: 24px;
  }

  .topbar,
  .hero-panel {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-panel {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .hero-copy h1 {
    font-size: clamp(2.3rem, 12vw, 3.8rem);
  }

}