/* ==========================================================================
   Flybit 飞比特 - 薄荷色玻璃温室 (Mint Glass Greenhouse) 核心样式
   配色规范：
   - 背景：#F3F8ED
   - 鼠尾草：#C9DDC5
   - 浅薄荷：#D8EEE5
   - 淡杏：#F3D9BE
   - 正文：#364A40
   ========================================================================== */

:root {
  --color-bg: #F3F8ED;
  --color-sage: #C9DDC5;
  --color-mint: #D8EEE5;
  --color-apricot: #F3D9BE;
  --color-text: #364A40;
  
  --color-stem: #2B4237;
  --color-stem-light: #526B5E;
  --color-glass-surface: rgba(243, 248, 237, 0.76);
  --color-glass-border: rgba(184, 209, 187, 0.55);
  --color-glass-highlight: rgba(255, 255, 255, 0.65);
  --color-accent-amber: #E2B98E;
  --color-card-bg: rgba(255, 255, 255, 0.62);
  
  --font-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  
  --sidebar-width: 270px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --glass-blur: blur(14px);
  --shadow-subtle: 0 10px 30px rgba(54, 74, 64, 0.05);
  --shadow-float: 0 16px 40px rgba(43, 66, 55, 0.08);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-bg);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: 
    radial-gradient(circle at 12% 18%, rgba(216, 238, 229, 0.6) 0%, transparent 40%),
    radial-gradient(circle at 88% 75%, rgba(201, 221, 197, 0.5) 0%, transparent 45%),
    radial-gradient(circle at 50% 40%, rgba(243, 217, 190, 0.25) 0%, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography Helpers */
.serif-title {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-stem);
}

.botanical-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-stem-light);
  background: rgba(201, 221, 197, 0.4);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(184, 209, 187, 0.5);
}

.botanical-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-stem);
  border-radius: 50%;
}

/* ==========================================================================
   布局骨架：桌面端左侧窄导航栏与右侧主内容
   ========================================================================== */

.site-wrapper {
  display: flex;
  min-height: 100vh;
}

/* 左侧窄导航栏 (Desktop) */
.greenhouse-sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  height: 100vh;
  z-index: 90;
  background: rgba(243, 248, 237, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--color-glass-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.2rem 1.6rem;
  box-shadow: 2px 0 20px rgba(54, 74, 64, 0.03);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.brand-seal {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-arch-logo {
  width: 38px;
  height: 52px;
  border: 1.5px solid var(--color-stem);
  border-radius: 20px 20px 4px 4px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--color-mint) 0%, rgba(201, 221, 197, 0.2) 100%);
}

.brand-arch-logo svg {
  width: 22px;
  height: 22px;
  fill: var(--color-stem);
}

.brand-text h1, .brand-text .brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-stem);
  line-height: 1.2;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--color-stem-light);
  letter-spacing: 0.08em;
}

.sidebar-stem-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-glass-border), transparent);
  position: relative;
  margin: 0.2rem 0;
}

.sidebar-stem-divider::after {
  content: "✦";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 8px;
  color: var(--color-sage);
  background: var(--color-bg);
  padding: 0 4px;
}

.sidebar-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.95rem;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.sidebar-nav a svg {
  width: 17px;
  height: 17px;
  opacity: 0.7;
  stroke: var(--color-stem);
  transition: var(--transition-smooth);
}

.sidebar-nav a:hover, .sidebar-nav a.active {
  background: var(--color-mint);
  color: var(--color-stem);
  transform: translateX(4px);
}

.sidebar-nav a:hover svg, .sidebar-nav a.active svg {
  opacity: 1;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-top: 1rem;
}

.greenhouse-status {
  padding: 0.8rem;
  background: rgba(216, 238, 229, 0.45);
  border: 1px dashed var(--color-sage);
  border-radius: 10px;
  font-size: 0.8rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-stem);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.status-pulse {
  width: 8px;
  height: 8px;
  background: #3BA374;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(59, 163, 116, 0.2);
  animation: pulse 2.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 163, 116, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(59, 163, 116, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 163, 116, 0); }
}

.btn-sidebar-commercial {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, var(--color-stem) 0%, #1e3027 100%);
  color: #fff;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 15px rgba(43, 66, 55, 0.2);
}

.btn-sidebar-commercial:hover {
  background: #18261f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(43, 66, 55, 0.3);
}

/* 手机端顶部导航栏 (Mobile Top Bar) */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(243, 248, 237, 0.94);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-glass-border);
  z-index: 100;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
}

.mobile-menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 8px;
  border: 1px solid var(--color-glass-border);
  background: rgba(255, 255, 255, 0.6);
}

.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-stem);
  transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 主内容容器 (Right Main Area) */
.greenhouse-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.main-content-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 2.8rem 5rem;
}

/* ==========================================================================
   首屏：不对称编辑排版 (Asymmetrical Editorial Hero)
   上方品牌宣言，下方三个高低不同的拱形窗；中间窗包含游戏入口
   ========================================================================== */

.hero-manifesto-section {
  padding: 2rem 0 3.5rem;
}

.hero-manifesto-header {
  max-width: 820px;
  margin-bottom: 3rem;
}

.manifesto-pretitle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.hero-manifesto-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.22;
  color: var(--color-stem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.hero-manifesto-header p.lead {
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--color-stem-light);
  max-width: 680px;
}

/* 下方三个高低不同的拱形窗 (Three Arched Windows) */
.hero-arched-windows {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1.8rem;
  align-items: end;
  margin-top: 1.5rem;
}

.arch-window {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 160px 160px 14px 14px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.arch-window:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: rgba(184, 209, 187, 0.9);
}

.arch-window::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-mint), transparent);
}

/* 高度不一的拱形窗 */
.arch-window-left {
  height: 430px;
  padding: 2.2rem 1.6rem;
  justify-content: space-between;
}

.arch-window-center {
  height: 490px; /* 中间窗最高，凸显温室游戏入口 */
  padding: 2.4rem 1.8rem;
  background: linear-gradient(180deg, rgba(216, 238, 229, 0.85) 0%, rgba(243, 248, 237, 0.95) 100%);
  border: 1.5px solid rgba(184, 209, 187, 0.8);
  justify-content: space-between;
}

.arch-window-right {
  height: 400px;
  padding: 2.2rem 1.6rem;
  justify-content: space-between;
}

.arch-top-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.arch-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-style: italic;
  color: var(--color-sage);
}

.arch-botanical-art {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
}

.arch-botanical-art svg {
  max-width: 110px;
  max-height: 110px;
  fill: var(--color-stem-light);
  opacity: 0.85;
}

.arch-content-body h3 {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  color: var(--color-stem);
  margin-bottom: 0.5rem;
}

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

/* 中间拱形窗：温室记忆配对游戏特权入口 */
.center-game-banner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.game-invitation-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-apricot);
  color: #634327;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
}

.game-preview-icon {
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  border: 1px solid var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.4rem 0;
  box-shadow: 0 6px 16px rgba(54, 74, 64, 0.08);
}

.game-preview-icon svg {
  width: 38px;
  height: 38px;
  fill: var(--color-stem);
}

.btn-open-game {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--color-stem);
  color: #fff;
  border-radius: 28px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: 0 6px 18px rgba(43, 66, 55, 0.2);
}

.btn-open-game:hover {
  background: #18261f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43, 66, 55, 0.3);
}

/* ==========================================================================
   板块通用架构与细茎分隔线 (Slender Botanical Stem Lines)
   ========================================================================== */

.section-block {
  margin-top: 5rem;
  position: relative;
}

.section-stem-header {
  margin-bottom: 2.8rem;
  position: relative;
}

.section-stem-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.stem-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-sage), transparent);
}

.stem-leaf-node {
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--color-stem);
  transform: rotate(45deg);
  background: var(--color-mint);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: var(--color-stem);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 0.98rem;
  color: var(--color-stem-light);
  margin-top: 0.35rem;
}

/* ==========================================================================
   优势：植物生长阶段时间线 (Plant Growth Timeline)
   幼芽萌动 -> 舒枝展叶 -> 葱郁筑基 -> 繁茂盛放
   ========================================================================== */

.growth-timeline {
  position: relative;
  padding: 1.5rem 0 1.5rem 3.5rem;
}

/* 贯穿的时间线主茎 */
.growth-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-mint) 0%, var(--color-sage) 50%, var(--color-stem) 100%);
}

.timeline-stage {
  position: relative;
  margin-bottom: 2.6rem;
}

.timeline-stage:last-child {
  margin-bottom: 0;
}

/* 茎上节芽与幼叶节点 */
.stage-bud {
  position: absolute;
  left: -3.5rem;
  top: 0.2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-stem);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(54, 74, 64, 0.08);
  z-index: 2;
}

.stage-bud svg {
  width: 22px;
  height: 22px;
  fill: var(--color-stem);
}

.stage-card {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  padding: 1.8rem 2rem;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
}

.stage-card:hover {
  transform: translateX(6px);
  border-color: var(--color-sage);
}

.stage-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.stage-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-stem);
  font-weight: 600;
}

.stage-phase {
  font-size: 0.82rem;
  color: var(--color-stem-light);
  letter-spacing: 0.08em;
  background: rgba(216, 238, 229, 0.6);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.stage-desc {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 0.8rem;
}

.stage-metrics {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--color-stem-light);
  border-top: 1px dashed var(--color-glass-border);
  padding-top: 0.75rem;
  flex-wrap: wrap;
}

.stage-metrics span strong {
  color: var(--color-stem);
  font-weight: 600;
}

/* ==========================================================================
   节点覆盖：枝叶状地区索引 (Botanical Branching Regional Index)
   以主干向四周伸展的叶片分枝展示全球网络覆盖
   ========================================================================== */

.foliage-branch-network {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
  position: relative;
}

.branch-cluster {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 20px;
  padding: 1.8rem 1.6rem;
  position: relative;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
}

.branch-cluster:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 209, 187, 0.9);
}

.branch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(184, 209, 187, 0.4);
}

.branch-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.branch-name svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-stem);
}

.branch-name h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-stem);
}

.branch-leaves {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.leaf-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(201, 221, 197, 0.4);
  font-size: 0.88rem;
  transition: var(--transition-smooth);
}

.leaf-node:hover {
  background: var(--color-mint);
  transform: translateX(4px);
}

.leaf-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-stem);
}

.leaf-tag-line {
  font-size: 0.76rem;
  padding: 0.15rem 0.5rem;
  background: rgba(201, 221, 197, 0.5);
  border-radius: 4px;
  color: var(--color-stem-light);
}

.leaf-ping {
  font-family: monospace;
  font-size: 0.82rem;
  color: #2F7C56;
  font-weight: 600;
}

/* ==========================================================================
   AI 与流媒体：左右交替图文段落 (Alternating Editorial Layout)
   ========================================================================== */

.alternating-editorial-flow {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.editorial-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.editorial-pair.reversed {
  direction: rtl;
}

.editorial-pair.reversed > * {
  direction: ltr;
}

.editorial-visual {
  position: relative;
  background: linear-gradient(135deg, rgba(216, 238, 229, 0.5) 0%, rgba(243, 217, 190, 0.3) 100%);
  border: 1px solid var(--color-glass-border);
  border-radius: 120px 120px 18px 18px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  box-shadow: var(--shadow-subtle);
}

.editorial-visual-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(54, 74, 64, 0.08);
}

.editorial-visual-icon svg {
  width: 46px;
  height: 46px;
  fill: var(--color-stem);
}

.editorial-botanical-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  text-align: center;
  color: var(--color-stem-light);
  line-height: 1.6;
}

.editorial-text h3 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--color-stem);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.editorial-text p {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}

.editorial-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.editorial-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-stem);
}

.editorial-feature-list li svg {
  width: 16px;
  height: 16px;
  stroke: #2F7C56;
}

/* ==========================================================================
   五档套餐：五根不同高度的植物标本牌 (Botanical Specimen Stakes)
   高度各异、金属/木质标本插牌质感，文字区域保持同等高度易读！
   注意：缺失数据统一标识为“待更新”，绝不编造价格、流量和专线信息！
   ========================================================================== */

.specimen-stakes-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
  align-items: end;
  padding-top: 2rem;
  padding-bottom: 1rem;
}

.specimen-stake {
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.specimen-stake:hover {
  transform: translateY(-8px);
}

/* 标本牌上方的悬挂铜扣 / 植物标签夹 */
.stake-clip {
  width: 24px;
  height: 12px;
  background: var(--color-accent-amber);
  border-radius: 4px 4px 0 0;
  margin: 0 auto;
  border: 1px solid #c2986c;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.06);
  position: relative;
  z-index: 2;
}

/* 五根标本牌各不相同的高度定义 */
.stake-height-1 .stake-board { min-height: 480px; }
.stake-height-2 .stake-board { min-height: 520px; }
.stake-height-3 .stake-board { min-height: 560px; border-color: rgba(43, 66, 55, 0.4); background: linear-gradient(180deg, rgba(216, 238, 229, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%); }
.stake-height-4 .stake-board { min-height: 535px; }
.stake-height-5 .stake-board { min-height: 500px; }

/* 标本牌牌面主体 */
.stake-board {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 14px;
  padding: 1.6rem 1.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
  position: relative;
}

.stake-specimen-id {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--color-stem-light);
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 0.4rem;
}

.stake-plant-name {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-stem);
  margin-bottom: 0.2rem;
}

.stake-latin {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--color-stem-light);
  margin-bottom: 1.2rem;
}

.stake-price-box {
  background: rgba(255, 255, 255, 0.65);
  border-radius: 10px;
  padding: 0.8rem 0.5rem;
  text-align: center;
  margin-bottom: 1.2rem;
  border: 1px dashed var(--color-sage);
}

.stake-price-currency {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-stem);
  margin-right: 2px;
}

.stake-price-val {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--color-stem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stake-price-pending {
  font-size: 0.92rem;
  color: #7A634B;
  background: rgba(243, 217, 190, 0.6);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
}

.stake-price-unit {
  font-size: 0.78rem;
  color: var(--color-stem-light);
  margin-top: 0.2rem;
}

/* 规格文字区域保持高度统一与清爽易读 */
.stake-details-list {
  list-style: none;
  font-size: 0.84rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.4rem;
  flex: 1;
}

.stake-details-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.35rem;
  border-bottom: 1px dotted rgba(201, 221, 197, 0.5);
}

.stake-details-list .item-label {
  color: var(--color-stem-light);
}

.stake-details-list .item-val {
  font-weight: 600;
  color: var(--color-stem);
}

.stake-details-list .val-pending {
  color: #8C6D4F;
  font-style: italic;
  font-size: 0.8rem;
}

.btn-stake-action {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: 20px;
  background: var(--color-stem);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 600;
  text-align: center;
  display: inline-block;
  transition: var(--transition-smooth);
}

.btn-stake-action:hover {
  background: #18261f;
  transform: translateY(-2px);
}

/* 标本插地木桩细杆 */
.stake-post {
  width: 8px;
  height: 40px;
  background: linear-gradient(180deg, #A88661 0%, #765B3E 100%);
  margin: 0 auto;
  border-radius: 0 0 4px 4px;
  box-shadow: 1px 2px 4px rgba(0,0,0,0.15);
}

/* ==========================================================================
   九篇文章：植物图鉴式目录 (Botanical Herbarium Index)
   每篇不少于 1000 中文字，分别解决选购、品牌、客户端、节点、排障、AI、流媒体等
   ========================================================================== */

.herbarium-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.herbarium-card {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.herbarium-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at bottom right, rgba(201, 221, 197, 0.4), transparent 70%);
  pointer-events: none;
}

.herbarium-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-sage);
  box-shadow: var(--shadow-float);
}

.herbarium-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.herbarium-category {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-stem);
  background: var(--color-mint);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.herbarium-read-time {
  font-size: 0.78rem;
  color: var(--color-stem-light);
}

.herbarium-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-stem);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.herbarium-title a:hover {
  color: #18261f;
  text-decoration: underline;
  text-decoration-color: var(--color-sage);
  text-underline-offset: 4px;
}

.herbarium-excerpt {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-stem-light);
  margin-bottom: 1.4rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.herbarium-footer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--color-glass-border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-stem);
}

.herbarium-footer-link svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-stem);
  transition: transform 0.25s ease;
}

.herbarium-card:hover .herbarium-footer-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   评价：短引文 (Poetic Quotation Testimonials)
   ========================================================================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
}

.quote-card {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: 14px;
  padding: 1.8rem 1.6rem;
  position: relative;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
}

.quote-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-sage);
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--color-sage);
  line-height: 1;
  margin-bottom: -0.5rem;
}

.quote-text {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 1.2rem;
}

.quote-author-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-leaf-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-stem);
  font-size: 0.9rem;
}

.author-info h4 {
  font-size: 0.88rem;
  color: var(--color-stem);
  font-weight: 600;
}

.author-info p {
  font-size: 0.76rem;
  color: var(--color-stem-light);
}

/* ==========================================================================
   FAQ：细分隔线列表 (Fine Stem Divider Accordion)
   ========================================================================== */

.faq-stem-list {
  display: flex;
  flex-direction: column;
}

.faq-stem-item {
  border-bottom: 1px solid var(--color-glass-border);
  transition: var(--transition-smooth);
}

.faq-stem-item:first-child {
  border-top: 1px solid var(--color-glass-border);
}

.faq-question-btn {
  width: 100%;
  padding: 1.4rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-stem);
  font-weight: 600;
  transition: var(--transition-smooth);
}

.faq-question-btn:hover {
  color: #18261f;
  padding-left: 0.8rem;
}

.faq-icon-cross {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-icon-cross::before, .faq-icon-cross::after {
  content: "";
  position: absolute;
  background: var(--color-stem);
  border-radius: 2px;
}

.faq-icon-cross::before {
  top: 8px;
  left: 1px;
  width: 16px;
  height: 2px;
}

.faq-icon-cross::after {
  top: 1px;
  left: 8px;
  width: 2px;
  height: 16px;
  transition: transform 0.3s ease;
}

.faq-stem-item.active .faq-icon-cross::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 0.5rem;
}

.faq-stem-item.active .faq-answer-panel {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

.faq-answer-panel p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--color-stem-light);
}

/* ==========================================================================
   温室底部 Footer 与三大规范外部链接
   ========================================================================== */

.greenhouse-footer {
  margin-top: 6rem;
  padding-top: 3.5rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--color-glass-border);
  background: rgba(243, 248, 237, 0.6);
  position: relative;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h5 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-stem);
  margin-bottom: 1.1rem;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-stem-light);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col ul a {
  font-size: 0.88rem;
  color: var(--color-stem-light);
}

.footer-col ul a:hover {
  color: var(--color-stem);
  text-decoration: underline;
}

/* 规范要求的三个外部链接 */
.required-external-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ext-link-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--color-stem);
  font-weight: 500;
}

.ext-link-item:hover {
  color: #18261f;
  transform: translateX(4px);
}

.ext-link-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-stem-light);
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px dashed var(--color-glass-border);
  font-size: 0.82rem;
  color: var(--color-stem-light);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.4rem;
}

.footer-bottom-links a:hover {
  color: var(--color-stem);
}

/* ==========================================================================
   响应式设计适配 (Responsive Breakpoints)
   ========================================================================== */

@media (max-width: 1080px) {
  .specimen-stakes-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-arched-windows {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .arch-window-left, .arch-window-center, .arch-window-right {
    height: auto;
    min-height: 360px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .greenhouse-sidebar {
    transform: translateX(-100%);
    transition: transform 0.35s ease;
    width: 280px;
    box-shadow: 10px 0 30px rgba(0,0,0,0.15);
  }
  .greenhouse-sidebar.open {
    transform: translateX(0);
  }
  .mobile-topbar {
    display: flex;
  }
  .greenhouse-main {
    margin-left: 0;
  }
  .main-content-inner {
    padding: 1.8rem 1.4rem 4rem;
  }
  .editorial-pair, .editorial-pair.reversed {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 1.8rem;
  }
  .specimen-stakes-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .specimen-stakes-row {
    grid-template-columns: 1fr;
  }
  .growth-timeline {
    padding-left: 2.8rem;
  }
  .growth-timeline::before {
    left: 14px;
  }
  .stage-bud {
    left: -2.8rem;
    width: 34px;
    height: 34px;
  }
  .stage-bud svg {
    width: 18px;
    height: 18px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}