/* ==========================================================================
   龙猫云 (Totoro Cloud) - 森林雨丝庇护所 (Forest-Canopy Raindrops Sanctuary)
   色彩基调：苔藓深林绿 (#192e21)、迷雾翡翠绿 (#2d5a3f)、透光露珠水晶晶莹高光
   纯原生 CSS，零重型框架，秒开性能与自然流体微交互
   ========================================================================== */

/* ---------------- CSS 变量系统与雨林庇护所主题 ---------------- */
:root {
  /* 默认：白天模式 (Misty Forest Day - 晨雾雨林) */
  --bg-primary: #f2f7f4;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e6efe9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-leaf: rgba(45, 90, 63, 0.05);

  --text-primary: #112419;
  --text-secondary: #2c4435;
  --text-muted: #526f5d;
  --text-light: #7c9886;

  /* 雨林品牌主色 */
  --forest-moss: #192e21;
  --forest-emerald: #2d5a3f;
  --forest-leaf: #10b981;
  --forest-leaf-hover: #059669;
  --forest-dew: #34d399;
  --forest-crystal: rgba(52, 211, 153, 0.2);

  --brand-primary: #1f4e34;
  --brand-primary-hover: #143825;
  --brand-gradient: linear-gradient(135deg, #192e21 0%, #2d5a3f 50%, #10b981 100%);
  --brand-glow: rgba(45, 90, 63, 0.18);
  --badge-bg: rgba(45, 90, 63, 0.08);
  --badge-text: #192e21;
  --badge-border: rgba(45, 90, 63, 0.2);

  --accent-green: #059669;
  --accent-amber: #d97706;
  --accent-cyan: #0d9488;

  --border-color: rgba(45, 90, 63, 0.15);
  --border-subtle: rgba(45, 90, 63, 0.08);
  --border-focus: rgba(16, 185, 129, 0.5);

  /* 水晶露珠光泽与阴影 */
  --shadow-sm: 0 2px 6px rgba(25, 46, 33, 0.04);
  --shadow-md: 0 6px 16px rgba(25, 46, 33, 0.06), 0 2px 4px rgba(25, 46, 33, 0.04);
  --shadow-lg: 0 14px 28px rgba(25, 46, 33, 0.08), 0 4px 8px rgba(25, 46, 33, 0.04);
  --shadow-xl: 0 22px 38px rgba(25, 46, 33, 0.1), 0 8px 12px rgba(25, 46, 33, 0.05);
  --shadow-dew: 0 8px 24px -4px rgba(16, 185, 129, 0.22);

  --nav-bg: rgba(242, 247, 244, 0.88);
  --theme-btn-bg: rgba(255, 255, 255, 0.8);
  --theme-btn-border: rgba(45, 90, 63, 0.25);

  /* 仿生荷叶与有机植物曲线 */
  --radius-sm: 10px;
  --radius-md: 18px 8px 18px 8px;
  --radius-lg: 28px 12px 28px 12px;
  --radius-leaf: 36px 14px 36px 14px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 昼夜模式切换：黑夜模式 (Midnight Canopy - 月下古林庇护所) */
[data-theme="dark"] {
  --bg-primary: #0a140e;
  --bg-secondary: #112217;
  --bg-tertiary: #192e21;
  --bg-card: rgba(17, 34, 23, 0.78);
  --bg-card-hover: rgba(25, 46, 33, 0.9);
  --bg-leaf: rgba(52, 211, 153, 0.06);

  --text-primary: #f2f7f4;
  --text-secondary: #c0d8c8;
  --text-muted: #84a890;
  --text-light: #52735d;

  --brand-primary: #34d399;
  --brand-primary-hover: #6ee7b7;
  --brand-gradient: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
  --brand-glow: rgba(52, 211, 153, 0.25);
  --badge-bg: rgba(52, 211, 153, 0.12);
  --badge-text: #6ee7b7;
  --badge-border: rgba(52, 211, 153, 0.3);

  --border-color: rgba(52, 211, 153, 0.16);
  --border-subtle: rgba(52, 211, 153, 0.08);
  --border-focus: rgba(52, 211, 153, 0.5);

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 14px 28px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 22px 38px rgba(0, 0, 0, 0.8);
  --shadow-dew: 0 8px 26px rgba(52, 211, 153, 0.3);

  --nav-bg: rgba(10, 20, 14, 0.88);
  --theme-btn-bg: rgba(25, 46, 33, 0.85);
  --theme-btn-border: rgba(52, 211, 153, 0.35);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  overflow-x: hidden;
  position: relative;
}

/* 轻柔雨丝画布 */
.rain-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.75;
}

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

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

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

/* 通用容器 (荷叶轮廓与流体间距) */
.container {
  width: 100%;
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}

/* ---------------- 顶部荷叶遮蔽导航栏 (Organic Canopy Header) ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px -2px rgba(25, 46, 33, 0.06);
  border-radius: 0 0 24px 24px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* 品牌 Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  transition: transform var(--transition-fast);
  display: block;
  filter: drop-shadow(0 2px 8px var(--brand-glow));
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.03) translateY(-1px);
}

.logo-dark {
  display: none;
}

[data-theme="dark"] .logo-light {
  display: none;
}

[data-theme="dark"] .logo-dark {
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-weight: 800;
  font-size: 1.25rem;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}

.brand-domain {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* 导航目录 (包含首页、各板块与推荐资讯) */
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  padding: 8px 12px;
  border-radius: var(--radius-full);
  position: relative;
}

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

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

.nav-link:hover::after, .nav-link.active::after {
  width: 60%;
}

/* 推荐资讯脉冲徽标 */
.nav-link-badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.7rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--forest-leaf);
  border-radius: 999px;
  margin-left: 4px;
}

/* 导航右侧交互区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 昼夜模式切换按钮（露珠高透水晶质感） */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--theme-btn-bg);
  border: 1px solid var(--theme-btn-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  color: var(--forest-leaf);
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-dew);
}

.theme-icon {
  width: 20px;
  height: 20px;
  position: absolute;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.moon-icon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* 按钮通用风格 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff !important;
  box-shadow: 0 6px 18px var(--brand-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  opacity: 0.94;
  transform: translateY(-2px);
  box-shadow: var(--shadow-dew);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--border-focus);
  color: var(--forest-leaf);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
}

/* ---------------- Hero 主视觉区 (雨林莲叶庇护所) ---------------- */
.hero-section {
  position: relative;
  padding: 88px 0 68px;
  text-align: center;
  overflow: hidden;
}

/* 荷叶庇护天幕光环 */
.hero-canopy-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 520px;
  background: radial-gradient(ellipse at center, var(--brand-glow) 0%, rgba(45, 90, 63, 0.05) 50%, transparent 75%);
  z-index: -1;
  pointer-events: none;
  filter: blur(50px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  color: var(--badge-text);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 22px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title-highlight {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 38px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* 信任背书数据条 (荷叶露珠毛玻璃面板) */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 26px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  position: relative;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-value-highlight {
  color: var(--forest-leaf);
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ---------------- 区块公共标题 ---------------- */
.section-wrapper {
  padding: 88px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-tertiary);
  transition: background-color var(--transition-fast);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--forest-leaf);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ---------------- 产品核心优势 (3个有机荷叶图文卡片) ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 38px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-xl);
  background: var(--bg-card-hover);
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: rgba(45, 90, 63, 0.12);
  color: var(--forest-leaf);
  border: 1px solid rgba(45, 90, 63, 0.2);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
  flex-grow: 1;
}

.feature-bullet-list {
  list-style: none;
  border-top: 1px dashed var(--border-color);
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-bullet-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.bullet-check-icon {
  width: 17px;
  height: 17px;
  color: var(--forest-leaf);
  flex-shrink: 0;
}

/* ---------------- 流媒体图卡 & AI 支持图卡 ---------------- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(14px);
}

.showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-focus);
}

.showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: 18px;
  white-space: nowrap;
}

.badge-stream {
  background: rgba(16, 185, 129, 0.12);
  color: var(--forest-leaf);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-ai {
  background: rgba(45, 90, 63, 0.15);
  color: var(--brand-primary);
  border: 1px solid rgba(45, 90, 63, 0.3);
}

[data-theme="dark"] .badge-ai {
  color: #34d399;
}

.showcase-title {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.showcase-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 26px;
}

.app-pill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}

.app-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.app-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.app-pill-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.app-pill-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.showcase-features-bar {
  border-top: 1px solid var(--border-color);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.showcase-feat-tag {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------------- 全球露珠节点与专线庇护所 (Dewdrop Nodes Sanctuary) ---------------- */
.dew-nodes-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.dew-node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 32px 26px;
  position: relative;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.dew-node-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-dew);
  border-color: var(--border-focus);
}

/* 悬垂露珠引线与晶莹水滴 */
.dew-stem {
  position: absolute;
  top: -16px;
  right: 36px;
  width: 2px;
  height: 26px;
  background: linear-gradient(to bottom, var(--forest-leaf), transparent);
}

.dew-drop-pin {
  position: absolute;
  top: 6px;
  right: 28px;
  width: 18px;
  height: 24px;
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #34d399 45%, #10b981 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
  transform-origin: top center;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dew-node-card:hover .dew-drop-pin {
  animation: dewOscillate 1.2s ease-in-out infinite alternate;
}

@keyframes dewOscillate {
  0% { transform: rotate(-15deg); }
  100% { transform: rotate(15deg); }
}

.dew-node-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.dew-node-flag {
  font-size: 1.5rem;
}

.dew-node-city {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.dew-node-type {
  font-size: 0.78rem;
  color: var(--forest-leaf);
  font-weight: 600;
  background: var(--badge-bg);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--badge-border);
}

/* 折射液态镜头指标 (Liquid Lens Refraction) */
.liquid-lens-metrics {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  transition: all var(--transition-fast);
}

.dew-node-card:hover .liquid-lens-metrics {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

.metric-col {
  display: flex;
  flex-direction: column;
}

.metric-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-num {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 2px;
}

.metric-zero-loss {
  color: var(--forest-leaf);
}

/* ---------------- 清晰套餐价格对比表 (参考网上真实套餐价格) ---------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 42px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  backdrop-filter: blur(14px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-focus);
}

.pricing-card-featured {
  border: 2px solid var(--forest-leaf);
  background: var(--bg-card);
  box-shadow: var(--shadow-dew);
  transform: scale(1.02);
}

.pricing-card-featured:hover {
  transform: scale(1.02) translateY(-8px);
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-gradient);
  color: #ffffff;
  padding: 5px 20px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px var(--brand-glow);
  white-space: nowrap;
  word-break: keep-all;
}

.pricing-header {
  text-align: center;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.pricing-plan-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  min-height: 42px;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin: 18px 0 6px;
}

.pricing-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-amount {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.pricing-period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 34px;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.pricing-feature-item.highlight-text {
  color: var(--text-primary);
  font-weight: 700;
}

.feature-check {
  width: 18px;
  height: 18px;
  color: var(--forest-leaf);
  flex-shrink: 0;
}

.feature-cross {
  width: 18px;
  height: 18px;
  color: var(--text-light);
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
  padding: 14px 22px;
  font-size: 1.02rem;
}

/* ---------------- 用户真实评价 (Testimonials) ---------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.review-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-amber);
  margin-bottom: 16px;
}

.star-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.review-content {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
  flex-grow: 1;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.reviewer-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.reviewer-info {
  display: flex;
  flex-direction: column;
}

.reviewer-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}

.reviewer-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------------- 常见问题 FAQ (手风琴) ---------------- */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item:hover {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  gap: 18px;
}

.faq-icon-arrow {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 28px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding: 0 28px 24px 28px;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
  color: var(--forest-leaf);
}

/* ---------------- 底部呼吁转化 Banner ---------------- */
.bottom-cta-banner {
  background: var(--brand-gradient);
  border-radius: var(--radius-leaf);
  padding: 64px 44px;
  text-align: center;
  color: #ffffff;
  margin: 50px auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px var(--brand-glow);
}

.bottom-cta-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.bottom-cta-desc {
  font-size: 1.15rem;
  opacity: 0.92;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.bottom-cta-btn {
  background: #ffffff !important;
  color: var(--forest-moss) !important;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 16px 38px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.bottom-cta-btn:hover {
  background: #f2f7f4 !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

/* ---------------- 页脚 Footer (仅保留4个独立页面入口) ---------------- */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 52px 0 38px;
  margin-top: auto;
  border-radius: 24px 24px 0 0;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  z-index: 2;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.footer-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--forest-leaf);
  background: var(--badge-bg);
}

.footer-copyright {
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-copyright a {
  color: var(--text-secondary);
  text-decoration: underline;
}

.footer-copyright a:hover {
  color: var(--forest-leaf);
}

/* ---------------- 辅助页面通用内容排版 ---------------- */
.page-container {
  max-width: 880px;
  margin: 40px auto 80px;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.page-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-leaf);
  padding: 50px 44px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.page-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.page-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 34px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 18px;
}

.page-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 34px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-content p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.page-content ul, .page-content ol {
  color: var(--text-secondary);
  padding-left: 26px;
  margin-bottom: 22px;
  line-height: 1.85;
}

.page-content li {
  margin-bottom: 10px;
}

.alert-box {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  margin: 22px 0;
  border-left: 4px solid;
  font-size: 0.98rem;
  line-height: 1.65;
}

.alert-warning {
  background: rgba(217, 119, 6, 0.08);
  border-color: var(--accent-amber);
  color: var(--text-secondary);
}

.alert-info {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--forest-leaf);
  color: var(--text-secondary);
}

.back-home-wrap {
  margin-bottom: 26px;
}

.back-home-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.back-home-link:hover {
  color: var(--forest-leaf);
}

/* ---------------- 响应式媒体查询 (@media) ---------------- */
@media (max-width: 1080px) {
  .hero-title {
    font-size: 2.7rem;
  }
  
  .nav-links {
    gap: 12px;
  }
  
  .nav-link {
    padding: 6px 8px;
    font-size: 0.88rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dew-nodes-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  
  .pricing-card-featured {
    transform: none;
  }
  
  .pricing-card-featured:hover {
    transform: translateY(-8px);
  }
  
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* 移动端突出 Logo、主题切换与立即注册 CTA */
  }
  
  .nav-wrap {
    height: 66px;
  }
  
  .brand-logo-img {
    height: 36px;
    max-width: 140px;
  }
  
  .brand-domain {
    display: none;
  }
  
  .hero-section {
    padding: 52px 0 42px;
  }
  
  .hero-title {
    font-size: 2.1rem;
  }
  
  .hero-subtitle {
    font-size: 1.05rem;
    margin-bottom: 30px;
  }
  
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 14px;
  }
  
  .hero-cta-group .btn {
    width: 100%;
    min-height: 48px; /* 适合手指触摸点击 */
  }
  
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px 18px;
  }
  
  .stat-value {
    font-size: 1.6rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr; /* 手机端单栏 */
  }
  
  .showcase-grid {
    grid-template-columns: 1fr; /* 手机端单栏 */
  }
  
  .dew-nodes-container {
    grid-template-columns: 1fr; /* 手机端单栏 */
  }
  
  .app-pill-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reviews-grid {
    grid-template-columns: 1fr; /* 手机端单栏 */
  }
  
  .section-wrapper {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .bottom-cta-banner {
    padding: 44px 22px;
  }
  
  .bottom-cta-title {
    font-size: 1.7rem;
  }
  
  .bottom-cta-btn {
    width: 100%;
    min-height: 48px;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  
  .page-card {
    padding: 32px 22px;
  }
  
  .page-title {
    font-size: 1.85rem;
  }
}