:root {
  --bg: #edf3e8;
  --bg-soft: #f7faf4;
  --ink: #122616;
  --ink-muted: #4f6756;
  --brand: #29573d;
  --brand-strong: #173c28;
  --accent: #c7a566;
  --card: #fbfdf9;
  --line: rgba(18, 38, 22, 0.12);
  --shadow: 0 18px 45px rgba(23, 60, 40, 0.16);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.72;
  position: relative;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

.page-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 10%, rgba(190, 220, 194, 0.78), transparent 44%),
    radial-gradient(circle at 80% 20%, rgba(255, 240, 210, 0.58), transparent 36%),
    radial-gradient(circle at 78% 76%, rgba(170, 212, 188, 0.46), transparent 35%),
    linear-gradient(140deg, #eef5e9, #f6f9f0 56%, #edf3e7);
}

.site-header {
  width: min(1100px, calc(100vw - 2rem));
  margin: 1.1rem auto 0;
  padding: 0.95rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(251, 253, 249, 0.82);
  backdrop-filter: blur(8px);
}

.brand {
  color: var(--brand-strong);
  font-family: "Kaiti SC", "STKaiti", "FangSong", serif;
  text-decoration: none;
  letter-spacing: 0.06em;
  font-size: 1.08rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  border-radius: 999px;
  padding: 0.46rem 0.9rem;
  transition: all 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #fff;
  background: var(--brand);
}

main {
  width: min(1100px, calc(100vw - 2rem));
  margin: 0 auto;
}

.hero {
  margin-top: 2.4rem;
  max-width: 780px;
  animation: rise-in 0.65s ease both;
}

.hero.compact {
  margin-bottom: 1.1rem;
}

.eyebrow {
  margin: 0 0 0.6rem;
  display: inline-block;
  border: 1px solid rgba(41, 87, 61, 0.26);
  color: var(--brand-strong);
  background: rgba(233, 244, 232, 0.9);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-family: "Kaiti SC", "STKaiti", "FangSong", serif;
  font-size: clamp(1.9rem, 3.8vw, 3.2rem);
  line-height: 1.24;
  color: #163322;
}

.hero-copy {
  margin-top: 1rem;
  max-width: 64ch;
  color: var(--ink-muted);
}

.content-wrap {
  margin-top: 1.7rem;
}

.grid-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.05rem;
}

.article-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  padding: 1.22rem 1.2rem 1.35rem;
  background: var(--card);
  box-shadow: var(--shadow);
  animation: rise-in 0.68s ease both;
}

.article-card.plain {
  box-shadow: 0 14px 34px rgba(18, 38, 22, 0.11);
}

.article-top .tag {
  margin: 0;
  color: #355d46;
  font-size: 0.84rem;
  letter-spacing: 0.09em;
}

h2 {
  margin: 0.4rem 0 0;
  font-family: "Kaiti SC", "STKaiti", "FangSong", serif;
  font-size: clamp(1.25rem, 2.8vw, 1.95rem);
  line-height: 1.4;
}

.meta {
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  color: #587261;
}

.trial-content p {
  margin: 0.95rem 0 0;
}

.blur-text {
  position: relative;
  filter: blur(2px);
  color: rgba(18, 38, 22, 0.58);
}

.pay-action {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.pay-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.62rem 1.2rem;
  background: linear-gradient(120deg, var(--brand-strong), var(--brand));
  color: #fff;
  font-size: 0.98rem;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.24s ease;
  box-shadow: 0 12px 22px rgba(23, 60, 40, 0.23);
}

.pay-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(23, 60, 40, 0.3);
}

.site-footer {
  width: min(1100px, calc(100vw - 2rem));
  margin: 2.2rem auto 1.6rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(247, 250, 244, 0.92);
  color: #4e6554;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0.3rem 0;
}

.beian-link {
  color: inherit;
  text-decoration: none;
}

.beian-link:hover {
  text-decoration: underline;
}

.about-block {
  margin-bottom: 1.2rem;
}

.pay-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
}

.pay-modal.open {
  display: block;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(16, 31, 20, 0.52);
  backdrop-filter: blur(3px);
}

.modal-panel {
  position: relative;
  width: min(96vw, 920px);
  margin: clamp(4vh, 8vh, 14vh) auto 0;
  max-height: 90vh;
  overflow: auto;
  border-radius: 20px;
  border: 1px solid rgba(23, 60, 40, 0.2);
  padding: 1.3rem 1.3rem 1.15rem;
  background: #f9fcf7;
  box-shadow: 0 24px 58px rgba(13, 30, 19, 0.32);
  text-align: center;
  animation: rise-in 0.26s ease both;
}

.modal-kicker {
  margin: 0;
  color: #4c6a57;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.modal-panel h3 {
  margin: 0.36rem 0 0;
  font-family: "Kaiti SC", "STKaiti", "FangSong", serif;
  font-size: 1.5rem;
  color: #163624;
}

#payModalDesc {
  margin: 0.48rem 0 0;
  color: #4f6556;
}

.qr-image {
  width: min(82vw, 360px);
  height: auto;
  margin: 1rem auto 0;
  border-radius: 14px;
  border: 1px solid rgba(41, 87, 61, 0.2);
  background: #fff;
  padding: 0.4rem;
  display: block;
}

.modal-note {
  margin: 0.74rem 0 0;
  color: #5f6e61;
  font-size: 0.85rem;
}

.modal-close {
  position: absolute;
  top: 0.48rem;
  right: 0.55rem;
  border: 0;
  background: transparent;
  color: #5e7463;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

@keyframes rise-in {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 860px) {
  .grid-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .site-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    gap: 0.35rem;
  }

  .site-nav a {
    font-size: 0.95rem;
    padding: 0.4rem 0.76rem;
  }

  .hero {
    margin-top: 1.7rem;
  }

  .article-card {
    padding: 1.08rem 1rem 1.2rem;
  }

  .site-footer {
    margin-top: 1.35rem;
  }

  .qr-image {
    width: min(84vw, 300px);
  }
}