```css
/* ============================================
   有机生长 · 花园杂志视觉系统
   —— 久久草联合企业设计语言
   ============================================ */

:root {
  --bg: #FDF9F2;
  --bg-soft: #F3EFE4;
  --white: #FFFFFF;
  --primary: #5B8C5A;
  --primary-dark: #3A6B3E;
  --primary-light: #A9C09B;
  --accent: #FF7847;
  --accent-light: #FFE0D1;
  --blue-soft: #6B8E9E;
  --blue-mist: #DCE8EC;
  --gold-soft: #F2D8A7;
  --text: #2E3E2F;
  --muted: #7C8B7A;
  --border: #E5E0D5;
  --shadow: 0 8px 30px rgba(91, 140, 90, 0.08);
  --shadow-hover: 0 16px 44px rgba(91, 140, 90, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 20px;
}

/* ============ 核心布局 ============ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-soft);
}

/* ============ 导航 ============ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 249, 242, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(91, 140, 90, 0.14);
  box-shadow: 0 2px 20px rgba(91, 140, 90, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.3px;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px 14px 14px 4px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(91, 140, 90, 0.28);
  transition: transform 0.3s ease;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 2px;
  letter-spacing: 0.3px;
  border-bottom: 2px solid transparent;
  transition: all 0.25s ease;
}

.main-nav a:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.nav-cta {
  background: var(--accent) !important;
  padding: 10px 26px !important;
  border-radius: 60px !important;
  color: #fff !important;
  font-weight: 600;
  border-bottom: none !important;
  box-shadow: 0 4px 16px rgba(255, 120, 71, 0.32);
  letter-spacing: 0.2px;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: #E8653A !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 120, 71, 0.4);
}

.menu-toggle {
  display: none;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  box-shadow: 0 2px 10px rgba(91, 140, 90, 0.06);
  transition: all 0.2s;
}

.menu-toggle:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(91, 140, 90, 0.12);
}

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -140px;
  right: -100px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 192, 155, 0.3), transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: 24%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 224, 209, 0.6), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-image {
  flex: 0 0 40%;
  position: relative;
  z-index: 2;
  border-radius: 120px 24px 120px 24px / 24px 120px 24px 120px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(91, 140, 90, 0.18);
  border: 8px solid var(--white);
  transform: rotate(1.5deg);
  transition: transform 0.4s ease;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 60px;
  margin-bottom: 20px;
  background: var(--accent-light);
  color: #D95D39;
  letter-spacing: 1px;
}

.hero-eyebrow::before {
  content: '🌿';
  font-size: 0.85rem;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
}

.hero h1 .text-accent {
  position: relative;
  color: var(--accent);
  white-space: nowrap;
}

.hero p {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ 按钮 ============ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.28s ease;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255, 120, 71, 0.3);
}

.btn-primary:hover {
  background: #E8653A;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 120, 71, 0.38);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(91, 140, 90, 0.08);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ============ 标签/标题 ============ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 14px;
  color: var(--primary-dark);
  background: rgba(91, 140, 90, 0.1);
  padding: 8px 20px;
  border-radius: 60px;
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--text);
  letter-spacing: -0.6px;
}

.section-desc {
  max-width: 640px;
  color: var(--muted);
  opacity: 0.85;
  margin-bottom: 48px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ============ 卡片网格 ============ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.category-card {
  position: relative;
  background: var(--white);
  border-radius: 22px;
  padding: 34px 30px;
  border: 1px solid var(--border);
  box-shadow: 0 3px 14px rgba(91, 140, 90, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--gold-soft));
  opacity: 0;
  transition: all 0.3s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.category-card:hover::after {
  opacity: 1;
}

.category-card:nth-child(4n+1) .card-icon {
  background: rgba(91, 140, 90, 0.12);
  color: var(--primary-dark);
}

.category-card:nth-child(4n+2) .card-icon {
  background: rgba(255, 120, 71, 0.12);
  color: #D95D39;
}

.category-card:nth-child(4n+3) .card-icon {
  background: rgba(107, 142, 158, 0.12);
  color: var(--blue-soft);
}

.category-card:nth-child(4n) .card-icon {
  background: rgba(242, 216, 167, 0.3);
  color: #B8862C;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary-dark);
  text-decoration: none;
  transition: all 0.2s;
}

.card-link:hover {
  color: var(--accent);
}

.card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ============ 特性块 ============ */

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 30% 70% 52% 48% / 40% 42% 58% 60%;
  overflow: hidden;
  border: 8px solid var(--white);
  box-shadow: 0 20px 50px rgba(91, 140, 90, 0.14);
  transition: border-radius 0.5s ease;
}

.feature-image:hover {
  border-radius: 40% 60% 58% 42% / 52% 44% 56% 48%;
}

.feature-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.feature-text {
  padding: 10px 0;
}

.feature-text .section-title {
  font-size: 2.2rem;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text);
}

.feature-list li::before {
  content: '✓';
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  background: rgba(91, 140, 90, 0.12);
  color: var(--primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ============ 数据条 ============ */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  background: var(--white);
  padding: 40px 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 18px rgba(91, 140, 90, 0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: var(--primary);
  border-radius: 0 0 8px 8px;
  opacity: 0;
  transition: opacity 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -1px;
}

.stat-number span {
  color: var(--accent);
  font-size: 0.6em;
  vertical-align: top;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 10px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ============ 内容墙 ============ */

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(91, 140, 90, 0.04);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-body {
  padding: 22px 24px 26px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ============ FAQ ============ */

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 18px rgba(91, 140, 90, 0.06);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 6px 24px rgba(91, 140, 90, 0.1);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--text);
  font-size: 1rem;
  transition: color 0.2s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-question:hover {
  color: var(--primary-dark);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ============ CTA ============ */

.cta-banner {
  background: linear-gradient(120deg, #6FAA6C 0%, var(--primary) 50%, var(--primary-dark) 100%);
  padding: 72px 56px;
  text-align: center;
  border-radius: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(59, 107, 62, 0.3);
}

.cta-banner::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  left: -50px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 40px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
  letter-spacing: -0.5px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 500px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 2;
  font-size: 1rem;
  line-height: 1.7;
}

.cta-banner .btn {
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.cta-banner .btn-primary:hover {
  background: var(--accent-light);
  color: #E8653A;
  transform: translateY(-2px);
}

/* ============ 页脚 ============ */

.site-footer {
  background: var(--bg-soft);
  padding: 64px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  padding: 5px 0;
}

.footer-col ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.2s;
}

.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(91, 140, 90, 0.12);
  margin-top: 48px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.4px;
}

/* ============ 工具类 ============ */

.text-accent {
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}

.text-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(255, 120, 71, 0.15);
  border-radius: 50%;
  z-index: -1;
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 640px;
  margin: 0 auto 52px;
  color: var(--muted);
  opacity: 0.85;
  line-height: 1.8;
  font-size: 1rem;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* ============ 辅助装饰 ============ */

.hero-deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 2px dashed rgba(91, 140, 90, 0.25);
}

.section-dots {
  position: absolute;
  right: 30px;
  top: 40px;
  width: 120px;
  height: 120px;
  background-image: radial-gradient(rgba(91, 140, 90, 0.15) 2px, transparent 2px);
  background-size: 16px 16px;
  pointer-events: none;
}

/* ============ 响应式 ============ */

@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.6rem;
  }
  .hero-image img {
    height: 320px;
  }
  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .hero {
    flex-direction: column;
    padding: 120px 0 60px;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-image {
    width: 100%;
    flex: none;
    border-radius: 80px 20px 80px 20px / 20px 80px 20px 80px;
  }

  .hero-image img {
    height: 280px;
  }

  .feature-block {
    grid-template-columns: 1fr;
  }

  .feature-image {
    max-width: 90%;
    margin: 0 auto;
  }

  .feature-image img {
    height: 280px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(91, 140, 90, 0.1);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;
    padding: 12px 8px;
    font-size: 1rem;
  }

  .nav-cta {
    margin-top: 12px;
    display: inline-flex;
    justify-content: center;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .cta-banner {
    padding: 50px 28px;
    border-radius: 24px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .cta-banner {
    padding: 44px 20px;
  }
}