:root {
  --crimson: #c23a4b;
  --crimson-dark: #8b2635;
  --crimson-light: #f4d4d8;
  --pink-soft: #fdf5f6;
  --text: #3d2c2e;
  --text-muted: #6b5458;
  --white: #ffffff;
  --shadow: 0 8px 32px rgba(139, 38, 53, 0.12);
  --radius: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Serif SC", "Songti SC", serif;
  color: var(--text);
  background: var(--pink-soft);
  line-height: 1.8;
}

a {
  color: var(--crimson);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.75;
}

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

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(194, 58, 75, 0.1);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 1.75rem;
  color: var(--crimson-dark);
  letter-spacing: 0.15em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav a {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
}

nav a:hover {
  color: var(--crimson);
  opacity: 1;
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      135deg,
      rgba(61, 44, 46, 0.55) 0%,
      rgba(194, 58, 75, 0.35) 100%
    ),
    url("../images/hero-bg.jpg") center / cover no-repeat;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  max-width: 720px;
  color: var(--white);
}

.hero-tag {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 36px;
  line-height: 2;
}

.hero-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--crimson);
  color: var(--white);
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 20px rgba(194, 58, 75, 0.4);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.hero-btn:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(194, 58, 75, 0.5);
}

/* Sections */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 2rem;
  color: var(--crimson-dark);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-header .divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--crimson), var(--crimson-light));
  margin: 0 auto 16px;
  border-radius: 2px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* Intro */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-text p {
  margin-bottom: 16px;
  color: var(--text-muted);
  text-align: justify;
}

.intro-text p:first-of-type::first-letter {
  font-size: 2.4em;
  float: left;
  line-height: 1;
  margin: 4px 10px 0 0;
  color: var(--crimson);
  font-weight: 700;
}

.intro-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.intro-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.intro-image figcaption {
  padding: 12px 16px;
  background: var(--white);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* Varieties */
.variety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.variety-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.variety-card:hover {
  transform: translateY(-6px);
}

.variety-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.variety-card-body {
  padding: 24px;
}

.variety-card h3 {
  font-size: 1.15rem;
  color: var(--crimson-dark);
  margin-bottom: 10px;
}

.variety-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Cultivation */
.cultivation-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.cultivation-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: sticky;
  top: 88px;
}

.cultivation-image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--crimson);
}

.step-num {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 1.5rem;
  color: var(--crimson-light);
  margin-bottom: 6px;
}

.step h3 {
  font-size: 1.1rem;
  color: var(--crimson-dark);
  margin-bottom: 10px;
}

.step p {
  font-size: 0.93rem;
  color: var(--text-muted);
}

.step ul {
  margin-top: 10px;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 0.93rem;
}

.step li {
  margin-bottom: 4px;
}

/* Poetry */
.poetry-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--crimson-light) 100%);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow);
}

.poetry-section blockquote {
  font-size: 1.3rem;
  color: var(--crimson-dark);
  line-height: 2.2;
  font-style: normal;
  margin-bottom: 16px;
}

.poetry-section cite {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: normal;
}

.poetry-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.poetry-gallery img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 12px;
}

/* Footer */
footer {
  background: var(--crimson-dark);
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  padding: 32px 24px;
  margin-top: 40px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

footer a {
  color: rgba(255, 255, 255, 0.9);
}

/* Responsive */
@media (max-width: 900px) {
  .intro-grid,
  .cultivation-wrap {
    grid-template-columns: 1fr;
  }

  .variety-grid {
    grid-template-columns: 1fr;
  }

  .cultivation-image {
    position: static;
  }

  nav ul {
    gap: 16px;
  }

  nav a {
    font-size: 0.85rem;
  }
}

@media (max-width: 600px) {
  .nav-inner {
    flex-direction: column;
    height: auto;
    padding: 12px 16px;
    gap: 10px;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .poetry-section {
    padding: 36px 24px;
  }

  .poetry-gallery {
    grid-template-columns: 1fr;
  }

  section {
    padding: 56px 0;
  }
}