@charset "UTF-8";
/* ==========================================================================
   绿树加速器 (GreenTree) - 自然森林美学主题样式
   Colors: Cream (#f5f1e8), Forest Green (#2d5016, #4a7c2a), Bark Brown (#8b6f47)
   Fonts: Sora (Body/Headings), Lora (Serif Italic Accents)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@1,500;1,600&family=Sora:wght@400;500;600;700&display=swap');

:root {
  --bg-cream: #f5f1e8;
  --bg-card: #ffffff;
  --bg-card-soft: #faf7f0;
  --forest-deep: #1b330e;
  --forest-primary: #2d5016;
  --forest-light: #4a7c2a;
  --forest-soft: #ebf2e4;
  --forest-tint: #e2ecd7;
  --bark-brown: #8b6f47;
  --bark-light: #a4865d;
  --bark-soft: #f4eee5;
  --text-main: #1d2518;
  --text-muted: #53604b;
  --text-subtle: #798670;
  --border-light: rgba(45, 80, 22, 0.12);
  --border-card: rgba(45, 80, 22, 0.08);
  --shadow-sm: 0 4px 12px rgba(27, 51, 14, 0.04);
  --shadow-md: 0 10px 30px rgba(27, 51, 14, 0.08);
  --shadow-lg: 0 20px 45px rgba(27, 51, 14, 0.12);
  --radius-leaf: 50% 0;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 9999px;
  --font-sans: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: 'Lora', Georgia, "Times New Roman", "Songti SC", serif;
  --transition-fast: 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-cream);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

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

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

ul, ol {
  list-style: none;
}

/* 容器布局 */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
}

/* 顶部导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(245, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--forest-deep);
  letter-spacing: -0.02em;
}

.logo-leaf-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--forest-primary), var(--forest-light));
  border-radius: var(--radius-leaf);
  transform: rotate(-15deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(45, 80, 22, 0.2);
  flex-shrink: 0;
}

.logo-leaf-icon svg {
  width: 18px;
  height: 18px;
  fill: #ffffff;
  transform: rotate(15deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--forest-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 18px;
  height: 2px;
  background-color: var(--forest-light);
  transition: transform var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-badge-link {
  color: var(--forest-primary);
  font-weight: 600;
  background-color: var(--forest-soft);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.nav-badge-link:hover {
  background-color: var(--forest-tint);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1.2;
  text-align: center;
}

.btn-primary {
  background-color: var(--forest-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(45, 80, 22, 0.25);
}

.btn-primary:hover {
  background-color: var(--forest-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(45, 80, 22, 0.32);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--forest-primary);
  border-color: rgba(45, 80, 22, 0.25);
}

.btn-secondary:hover {
  background-color: var(--forest-soft);
  border-color: var(--forest-primary);
  transform: translateY(-2px);
}

.btn-pbn {
  background-color: var(--bark-soft);
  color: var(--bark-brown);
  border: 1px solid rgba(139, 111, 71, 0.3);
}

.btn-pbn:hover {
  background-color: #eedcc6;
  color: #5c4528;
  border-color: var(--bark-brown);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--forest-light), #3a6820);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(74, 124, 42, 0.28);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #579331, var(--forest-primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 124, 42, 0.36);
  color: #ffffff;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

/* 英雄区 (Hero Section) */
.hero-section {
  padding-top: 60px;
  padding-bottom: 90px;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--forest-soft);
  color: var(--forest-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  border: 1px solid var(--border-light);
}

.growing-dot {
  width: 9px;
  height: 9px;
  background-color: var(--forest-light);
  border-radius: 50%;
  position: relative;
}

.growing-dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background-color: rgba(74, 124, 42, 0.4);
  animation: pulse 2s infinite ease-out;
}

@keyframes pulse {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  font-weight: 700;
  color: var(--forest-deep);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--forest-light);
}

.hero-intro {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-pbn-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed rgba(139, 111, 71, 0.3);
}

.pbn-label {
  font-size: 0.85rem;
  color: var(--bark-brown);
  font-weight: 500;
}

/* 英雄区右侧：有机球体与漂浮叶片 */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
}

.organic-orb {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle at 35% 35%, #ebf5df, #cde3bb 70%, #9cb885 100%);
  border-radius: 42% 58% 63% 37% / 47% 42% 58% 53%;
  animation: morphOrb 12s ease-in-out infinite alternate;
  box-shadow: inset 0 -20px 40px rgba(45, 80, 22, 0.15), 0 25px 50px rgba(45, 80, 22, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

@keyframes morphOrb {
  0% { border-radius: 42% 58% 63% 37% / 47% 42% 58% 53%; transform: rotate(0deg); }
  50% { border-radius: 58% 42% 38% 62% / 55% 60% 40% 45%; transform: rotate(8deg); }
  100% { border-radius: 45% 55% 60% 40% / 40% 45% 55% 60%; transform: rotate(-5deg); }
}

.orb-inner-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 30px 32px;
  border-radius: 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.8);
  width: 290px;
  text-align: center;
  z-index: 2;
  position: relative;
}

.orb-badge-leaf {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--forest-primary), var(--forest-light));
  border-radius: var(--radius-leaf);
  transform: rotate(-15deg);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(45, 80, 22, 0.25);
}

.orb-badge-leaf svg {
  width: 26px;
  height: 26px;
  fill: #ffffff;
  transform: rotate(15deg);
}

.orb-speed-tag {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--forest-deep);
  line-height: 1.1;
  margin-bottom: 4px;
}

.orb-speed-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.orb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--forest-soft);
  color: var(--forest-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

/* 漂浮树叶动画 */
.floating-leaf {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-leaf);
  z-index: 3;
  pointer-events: none;
}

.leaf-forest {
  background: linear-gradient(135deg, #2d5016, #4a7c2a);
  top: 15%;
  left: 6%;
  transform: rotate(-25deg);
  animation: floatLeaf1 6s ease-in-out infinite;
  box-shadow: 0 8px 18px rgba(45, 80, 22, 0.2);
}

.leaf-fresh {
  background: linear-gradient(135deg, #629f37, #85c256);
  bottom: 12%;
  right: 8%;
  width: 36px;
  height: 36px;
  transform: rotate(35deg);
  animation: floatLeaf2 7.5s ease-in-out infinite;
  box-shadow: 0 6px 14px rgba(98, 159, 55, 0.25);
}

.leaf-bark {
  background: linear-gradient(135deg, #8b6f47, #b2936a);
  top: 22%;
  right: 12%;
  width: 32px;
  height: 32px;
  transform: rotate(55deg);
  animation: floatLeaf3 8s ease-in-out infinite;
  box-shadow: 0 6px 14px rgba(139, 111, 71, 0.2);
}

@keyframes floatLeaf1 {
  0%, 100% { transform: translateY(0) rotate(-25deg); }
  50% { transform: translateY(-16px) rotate(-15deg); }
}

@keyframes floatLeaf2 {
  0%, 100% { transform: translateY(0) rotate(35deg); }
  50% { transform: translateY(-20px) rotate(45deg); }
}

@keyframes floatLeaf3 {
  0%, 100% { transform: translateY(0) rotate(55deg); }
  50% { transform: translateY(-14px) rotate(40deg); }
}

/* 统计栏 (Stats Row) */
.stats-section {
  padding: 40px 0 60px;
}

.stats-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -14px;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--border-light);
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  font-style: italic;
  color: var(--forest-primary);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* 区块通用头部 */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bark-brown);
  background-color: var(--bark-soft);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 700;
  color: var(--forest-deep);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title .serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--forest-light);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 核心优势 3大图文卡片 */
.core-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.core-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.core-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 80, 22, 0.2);
}

.core-icon-leaf {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, var(--forest-primary), var(--forest-light));
  border-radius: var(--radius-leaf);
  transform: rotate(-15deg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 6px 16px rgba(45, 80, 22, 0.18);
}

.core-icon-leaf svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
  transform: rotate(15deg);
}

.core-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--forest-deep);
  margin-bottom: 12px;
}

.core-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex-grow: 1;
}

/* 6个特色网格 (Features Grid) */
.features-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-mini-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-card);
  transition: all var(--transition-fast);
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.feature-mini-card:hover {
  background-color: #ffffff;
  border-color: rgba(74, 124, 42, 0.25);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.mini-leaf-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--forest-light), var(--forest-primary));
  border-radius: var(--radius-leaf);
  transform: rotate(-15deg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(45, 80, 22, 0.15);
}

.mini-leaf-icon svg {
  width: 20px;
  height: 20px;
  fill: #ffffff;
  transform: rotate(15deg);
}

.mini-card-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--forest-deep);
  margin-bottom: 6px;
}

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

/* 流媒体与 AI 支持图卡 */
.streaming-ai-section {
  background-color: var(--bg-card-soft);
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
}

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

.unlock-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
}

.unlock-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}

.unlock-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--forest-deep);
}

.unlock-tag {
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--forest-soft);
  color: var(--forest-primary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.service-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.service-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #f7f9f4;
  border: 1px solid var(--border-card);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
}

.service-pill .pill-dot {
  width: 7px;
  height: 7px;
  background-color: #4a7c2a;
  border-radius: 50%;
}

.service-feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 节点地图 (Node Map) */
.node-map-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-card);
}

.map-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 18px;
}

.map-status-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.map-status-dot {
  width: 10px;
  height: 10px;
  background-color: var(--forest-light);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(74, 124, 42, 0.2);
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.node-item {
  background-color: var(--bg-card-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-card);
  transition: all var(--transition-fast);
}

.node-item:hover {
  background-color: #ffffff;
  border-color: var(--forest-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.node-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--forest-deep);
}

.node-ping {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--forest-light);
  background-color: var(--forest-soft);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.node-type {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 价格表对比 (Pricing Table) */
.pricing-section {
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.price-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 44px 34px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

/* 树苗计划 (Sapling - Popular) 深绿背景突出 */
.price-card.popular {
  background: linear-gradient(160deg, #1b330e, #2d5016);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
  z-index: 2;
}

.price-card.popular:hover {
  transform: scale(1.06) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--bark-brown), #b6905a);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(139, 111, 71, 0.35);
  letter-spacing: 0.05em;
}

.plan-head {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.price-card.popular .plan-head {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.plan-nature-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--forest-deep);
}

.price-card.popular .plan-nature-title {
  color: #ffffff;
}

.plan-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.price-card.popular .plan-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.price-amount-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 20px 0 10px;
}

.price-currency {
  font-size: 1.35rem;
  font-weight: 600;
}

.price-num {
  font-family: var(--font-serif);
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
}

.price-period {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.price-card.popular .price-period {
  color: rgba(255, 255, 255, 0.75);
}

.plan-features-list {
  margin-bottom: 34px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  margin-bottom: 14px;
  line-height: 1.5;
}

/* ❀ 树叶符号列表 */
.leaf-bullet {
  color: var(--forest-light);
  font-size: 1.05rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.price-card.popular .leaf-bullet {
  color: #92d468;
}

.price-card.popular .btn {
  background-color: #ffffff;
  color: var(--forest-deep);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.price-card.popular .btn:hover {
  background-color: var(--forest-soft);
  color: var(--forest-primary);
  transform: translateY(-2px);
}

/* 森林用户故事 (Stories from the forest) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.review-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.08rem;
  color: var(--text-main);
  line-height: 1.75;
  margin-bottom: 28px;
  position: relative;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 树叶形头像 (Leaf-shaped avatar: border-radius: 50% 0, rotated -15deg) */
.leaf-avatar-wrap {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--forest-primary), var(--forest-light));
  border-radius: var(--radius-leaf);
  transform: rotate(-15deg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(45, 80, 22, 0.2);
  flex-shrink: 0;
}

.leaf-avatar-wrap span {
  transform: rotate(15deg);
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--forest-deep);
}

.author-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 常见问题解答 (FAQ) */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-card-soft);
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  border: 1px solid var(--border-card);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(45, 80, 22, 0.2);
}

.faq-summary {
  padding: 22px 28px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--forest-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-toggle-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--forest-primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

details[open] .faq-toggle-circle {
  transform: rotate(45deg);
  background-color: var(--forest-soft);
}

.faq-content {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-list {
  margin-top: 10px;
}

.faq-list-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}

/* 页脚 (Footer with arched top edge) */
.site-footer {
  background-color: #162a0c;
  color: #e4eedc;
  border-radius: 48px 48px 0 0;
  padding-top: 72px;
  padding-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 28px;
}

.footer-brand {
  max-width: 380px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.92rem;
  color: #a4bba0;
  line-height: 1.6;
}

/* 页脚4个核心跳转入口 */
.footer-nav-grid {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: 1.02rem;
  font-weight: 600;
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}

.footer-nav-link:hover {
  background-color: var(--forest-light);
  color: #ffffff;
  transform: translateY(-2px);
  border-color: var(--forest-light);
}

.footer-bottom {
  padding-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.85rem;
  color: #8c9e89;
}

/* 资讯与单页通用排版 */
.page-hero {
  padding: 60px 0 40px;
  text-align: center;
  background-color: var(--bg-card-soft);
  border-bottom: 1px solid var(--border-card);
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 60px 24px 96px;
}

.article-content {
  background-color: var(--bg-card);
  padding: 50px 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-card);
}

.article-content h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--forest-deep);
  margin-bottom: 20px;
  line-height: 1.3;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--forest-deep);
  margin-top: 36px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--forest-primary);
  margin-top: 24px;
  margin-bottom: 12px;
}

.article-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 18px;
}

.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-content a.pbn-link {
  color: var(--forest-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition-fast);
}

.article-content a.pbn-link:hover {
  color: var(--forest-light);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-subtle);
  margin-bottom: 30px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}

/* 资讯列表卡片 */
.article-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-preview-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.article-preview-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 80, 22, 0.25);
}

.article-card-tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bark-brown);
  background-color: var(--bark-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 14px;
}

.article-card-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--forest-deep);
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-card-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-subtle);
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.read-more-link {
  color: var(--forest-primary);
  font-weight: 600;
}

.read-more-link:hover {
  color: var(--forest-light);
}

/* ==========================================================================
   响应式媒体查询 (@media) - 确保手机端完美单栏与舒适触控
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-intro {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-box {
    justify-content: center;
  }
  .hero-pbn-box {
    justify-content: center;
  }
  .hero-visual {
    min-height: 360px;
  }
  .organic-orb {
    width: 320px;
    height: 320px;
  }
  .stats-card {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
  .core-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .price-card.popular {
    transform: none;
  }
  .price-card.popular:hover {
    transform: translateY(-4px);
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  .node-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    height: auto;
  }
  .header-container {
    height: 70px;
  }
  .site-nav {
    display: none; /* 移动端精简顶部或自适应 */
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .core-features-grid {
    grid-template-columns: 1fr;
  }
  .features-grid-6 {
    grid-template-columns: 1fr;
  }
  .unlock-grid {
    grid-template-columns: 1fr;
  }
  .node-grid {
    grid-template-columns: 1fr;
  }
  .article-cards-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .footer-brand {
    max-width: 100%;
  }
  .footer-logo {
    justify-content: center;
  }
  .footer-nav-grid {
    justify-content: center;
    gap: 14px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .article-content {
    padding: 30px 20px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-cta-box {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-box .btn {
    width: 100%;
  }
  .stats-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .stat-item::after {
    display: none !important;
  }
  .node-map-card {
    padding: 24px 18px;
  }
  .price-card {
    padding: 32px 22px;
  }
}