/* ===================================================================
   青云梯 (greencloudti.lol) - 全站核心样式表
   设计规范：STYLE 59 — TROPICAL BOTANICAL (热带植物 / 度假杂志风)
   视觉基调：阳光、轻盈、昂贵、自由。像一本高端夏日生活杂志。
   =================================================================== */

:root {
  /* 1. 主色系 PRIMARY (热带棕榈与夏日奶油) */
  --pd-palm-green: #2d5a3f;
  --pd-leaf-green: #4a7c59;
  --pd-cream: #faf8f2;
  --pd-cream-surface: #ffffff;
  --pd-cream-subtle: #f4f0e6;
  --pd-cream-card: #fdfbf7;

  /* 2. 辅色系 SECONDARY (芒果橙、芙蓉粉、海水碧、香蕉黄) */
  --pd-mango-orange: #ea7a1e;
  --pd-mango-hover: #d66c15;
  --pd-hibiscus-pink: #e85d75;
  --pd-ocean-blue: #226b74;
  --pd-ocean-tint: #f0f7f6;
  --pd-banana-yellow: #ffd166;
  --pd-banana-gold: #f2bf42;

  /* 3. 强调色 ACCENT (深林绿与墨绿) */
  --pd-forest-green: #132e1e;
  --pd-deep-forest: #0d2015;

  /* 4. 排版与中性色 */
  --pd-text-primary: #132e1e;   /* 标题与重要文字采用深林绿，昂贵典雅 */
  --pd-text-body: #2c3e30;      /* 正文采用热带深草灰绿，比纯灰更富生命力 */
  --pd-text-muted: #5e7362;     /* 注解与次级说明文字 */
  --pd-border-subtle: #e2ded4;  /* 柔和奶油植物灰边框 */
  --pd-border-strong: #c8d3c5;  /* 结构线条 */

  /* 5. 尺寸与圆角 (有机圆角与胶囊形态) */
  --pd-container-width: 1180px;
  --pd-radius-sm: 8px;
  --pd-radius-md: 14px;
  --pd-radius-lg: 22px;
  --pd-radius-pill: 9999px;

  /* 6. 系统字体栈 (系统级高清排版，严禁外部网络字体) */
  --pd-font-editorial: "Songti SC", "SimSun", "STSong", "Baskerville", "Georgia", serif;
  --pd-font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --pd-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* 7. 热带植物阴影系统 */
  --pd-shadow-leaf: 0 4px 16px rgba(19, 46, 30, 0.08), 0 1px 3px rgba(45, 90, 63, 0.05);
  --pd-shadow-hover: 0 12px 30px -4px rgba(19, 46, 30, 0.16), 0 4px 10px rgba(45, 90, 63, 0.08);
  --pd-shadow-mango: 0 8px 24px rgba(234, 122, 30, 0.32), 0 3px 6px rgba(19, 46, 30, 0.12);
  --pd-shadow-sun: 0 16px 40px -6px rgba(234, 122, 30, 0.4), 0 6px 16px rgba(19, 46, 30, 0.15);

  /* 兼容性别名 (Backwards-compatibility aliases) */
  --pd-bg-page: var(--pd-cream);
  --pd-bg-surface: #ffffff;
  --pd-bg-subtle: var(--pd-cream-subtle);
  --pd-bg-accent-soft: rgba(45, 90, 63, 0.08);
  --pd-accent: var(--pd-palm-green);
  --pd-accent-hover: var(--pd-mango-orange);
}

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

html {
  font-family: var(--pd-font-sans);
  font-size: 16px;
  line-height: 1.68;
  color: var(--pd-text-body);
  background-color: var(--pd-cream);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--pd-cream);
  color: var(--pd-text-body);
}

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

a {
  color: var(--pd-palm-green);
  text-decoration: none;
  transition: color 0.22s ease;
}

a:hover {
  color: var(--pd-mango-orange);
}

ul, ol {
  list-style: none;
}

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

/* ===================================================================
   按钮系统 BUTTONS (Pill / Soft Organic Shape / Subtle Leaf Shadow)
   =================================================================== */

.pd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 28px;
  border-radius: var(--pd-radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  text-align: center;
  text-decoration: none;
  line-height: 1.4;
  min-height: 46px; /* 触控目标保障 */
  position: relative;
  overflow: hidden;
}

/* 主按钮：深林绿 + 奶油白字 + 微植物阴影 */
.pd-btn--primary {
  background-color: var(--pd-forest-green);
  color: var(--pd-cream);
  box-shadow: 0 4px 14px rgba(19, 46, 30, 0.24), 0 2px 4px rgba(45, 90, 63, 0.12);
  letter-spacing: 0.5px;
}

/* CTA HOVER 动效规范：
   - 向上浮动 4px
   - 背景变成芒果橙 (Mango Orange)
   - 箭头微滑动 */
.pd-btn--primary:hover {
  background-color: var(--pd-mango-orange);
  color: #ffffff;
  transform: translateY(-4px);
  box-shadow: var(--pd-shadow-mango);
}

.pd-btn--primary:active {
  transform: translateY(-1px) scale(0.98);
}

/* 次级按钮：植物细线边框 + 柔和叶绿触感 */
.pd-btn--secondary {
  background-color: transparent;
  color: var(--pd-forest-green);
  border: 1.5px solid var(--pd-palm-green);
  box-shadow: 0 2px 6px rgba(19, 46, 30, 0.04);
}

.pd-btn--secondary:hover {
  background-color: rgba(45, 90, 63, 0.08);
  border-color: var(--pd-forest-green);
  transform: translateY(-3px);
  color: var(--pd-forest-green);
}

/* 大号按钮 */
.pd-btn--lg {
  padding: 15px 36px;
  font-size: 1.05rem;
  min-height: 52px;
}

/* 块级按钮 */
.pd-btn--block {
  width: 100%;
  display: flex;
}

/* ===================================================================
   顶部导航 HEADER
   =================================================================== */

.pd-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 248, 242, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pd-border-subtle);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.pd-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.pd-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.pd-brand__logo {
  height: 42px;
  width: auto;
}

.pd-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.pd-nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--pd-forest-green);
  position: relative;
  padding: 6px 2px;
  transition: color 0.2s ease;
}

/* 导航链接悬停：热带小叶片或细线生长效果 */
.pd-nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background-color: var(--pd-palm-green);
  border-radius: 2px;
  transition: transform 0.25s ease;
}

.pd-nav__link:hover {
  color: var(--pd-palm-green);
}

.pd-nav__link:hover::after,
.pd-nav__link.is-active::after {
  transform: translateX(-50%) scaleX(1);
}

.pd-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 汉堡按钮 */
.pd-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--pd-border-strong);
  color: var(--pd-forest-green);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--pd-radius-sm);
  line-height: 1;
}

/* ===================================================================
   HERO 模块 (GARDEN 阶段：巨大植物叶片前景 + 泳池天空背景 + 节点监控)
   =================================================================== */

.pd-hero {
  position: relative;
  padding: 72px 0 96px;
  background: radial-gradient(circle at 85% 15%, rgba(255, 209, 102, 0.2) 0%, transparent 40%),
              radial-gradient(circle at 10% 90%, rgba(34, 107, 116, 0.08) 0%, transparent 45%),
              linear-gradient(180deg, #faf8f2 0%, #f4f0e6 100%);
  border-bottom: 1px solid var(--pd-border-subtle);
  overflow: hidden;
}

/* 前景巨大热带叶片装饰 (Style 59 标志性元素) */
.pd-hero__foliage-left {
  position: absolute;
  top: -40px;
  left: -60px;
  width: 260px;
  height: 280px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.18;
  animation: leafSwayLeft 7s ease-in-out infinite alternate;
}

.pd-hero__foliage-right {
  position: absolute;
  bottom: -40px;
  right: -50px;
  width: 320px;
  height: 340px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.15;
  animation: leafSwayRight 8.5s ease-in-out infinite alternate;
}

@keyframes leafSwayLeft {
  0% { transform: rotate(0deg) translateY(0); }
  100% { transform: rotate(3deg) translateY(8px); }
}

@keyframes leafSwayRight {
  0% { transform: rotate(0deg) translateY(0); }
  100% { transform: rotate(-4deg) translateY(-10px); }
}

.pd-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.pd-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* 植物标本式药签 / 杂志徽章 */
.pd-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: var(--pd-radius-pill);
  background-color: rgba(45, 90, 63, 0.08);
  border: 1px solid rgba(45, 90, 63, 0.2);
  color: var(--pd-forest-green);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: 0.3px;
}

.pd-hero__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--pd-palm-green);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.3);
  animation: pulseGreen 2.2s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(74, 124, 89, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(74, 124, 89, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 124, 89, 0); }
}

/* 标题：高端夏日生活杂志排版风格 Large Editorial Serif */
.pd-hero__title {
  font-family: var(--pd-font-editorial);
  font-size: 3.1rem;
  line-height: 1.22;
  font-weight: 700;
  color: var(--pd-forest-green);
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.pd-hero__title-accent {
  color: var(--pd-palm-green);
  position: relative;
  display: inline-block;
}

.pd-hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 8px;
  background-color: rgba(255, 209, 102, 0.45);
  z-index: -1;
  border-radius: 4px;
}

.pd-hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--pd-text-body);
  margin-bottom: 34px;
  max-width: 540px;
}

.pd-hero__cta-group {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

/* 信任背书条目 */
.pd-hero__trust {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px dashed var(--pd-border-strong);
  width: 100%;
}

.pd-hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--pd-text-muted);
  font-weight: 500;
}

.pd-hero__trust-item svg {
  color: var(--pd-palm-green);
}

/* ===================================================================
   HUD 节点监控卡片 (热带度假庄园终端 / HUD)
   =================================================================== */

.pd-dashboard-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-lg);
  padding: 28px;
  box-shadow: var(--pd-shadow-leaf);
  position: relative;
  backdrop-filter: blur(8px);
}

.pd-dashboard-card::before {
  content: "BOTANICAL SPECIMEN TERMINAL // 01";
  position: absolute;
  top: -11px;
  right: 24px;
  font-size: 0.68rem;
  font-family: var(--pd-font-mono);
  font-weight: 700;
  letter-spacing: 1px;
  background-color: var(--pd-palm-green);
  color: var(--pd-cream);
  padding: 2px 10px;
  border-radius: var(--pd-radius-pill);
}

.pd-dashboard__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pd-border-subtle);
}

.pd-dashboard__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--pd-font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  letter-spacing: 0.5px;
}

.pd-dashboard__title svg {
  color: var(--pd-palm-green);
}

.pd-dashboard__status {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pd-leaf-green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(74, 124, 89, 0.1);
  padding: 4px 10px;
  border-radius: var(--pd-radius-pill);
}

.pd-dashboard__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}

.pd-metric-box {
  background-color: var(--pd-cream);
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
  padding: 16px;
}

.pd-metric-box__label {
  font-size: 0.8rem;
  color: var(--pd-text-muted);
  margin-bottom: 4px;
}

.pd-metric-box__val {
  font-family: var(--pd-font-mono);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--pd-forest-green);
  line-height: 1.1;
}

.pd-metric-box__unit {
  font-size: 0.95rem;
  font-weight: 600;
  margin-left: 4px;
  color: var(--pd-palm-green);
}

.pd-route-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pd-route-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--pd-radius-sm);
  background-color: var(--pd-cream);
  border: 1px solid rgba(226, 222, 212, 0.6);
  font-size: 0.88rem;
  transition: all 0.2s ease;
}

.pd-route-item:hover {
  border-color: var(--pd-palm-green);
  background-color: #ffffff;
  transform: translateX(4px);
}

.pd-route-item__name {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--pd-text-primary);
  font-weight: 600;
}

.pd-route-item__tag {
  font-family: var(--pd-font-mono);
  font-size: 0.76rem;
  color: var(--pd-palm-green);
  background-color: rgba(45, 90, 63, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
}

.pd-route-item__ping {
  font-family: var(--pd-font-mono);
  font-size: 0.84rem;
  color: var(--pd-leaf-green);
  font-weight: 700;
}

/* ===================================================================
   通用章节结构与滚动流 (SCROLL FLOW: GARDEN -> POOL -> VILLA -> COLLECTION -> SUNSET)
   =================================================================== */

.pd-section {
  padding: 88px 0;
  position: relative;
}

.pd-section--subtle {
  background-color: var(--pd-cream-subtle);
  border-top: 1px solid var(--pd-border-subtle);
  border-bottom: 1px solid var(--pd-border-subtle);
}

/* POOL 阶段：水碧清凉背景 */
.pd-section--pool {
  background-color: var(--pd-ocean-tint);
  border-top: 1px solid rgba(34, 107, 116, 0.12);
  border-bottom: 1px solid rgba(34, 107, 116, 0.12);
}

/* COLLECTION 阶段：果实金暖阳背景 */
.pd-section--collection {
  background-color: #fcf9f0;
  border-top: 1px solid rgba(255, 209, 102, 0.35);
  border-bottom: 1px solid rgba(255, 209, 102, 0.35);
}

.pd-section-header {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 56px;
}

.pd-section-header__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--pd-palm-green);
  background-color: rgba(45, 90, 63, 0.09);
  padding: 4px 14px;
  border-radius: var(--pd-radius-pill);
  margin-bottom: 12px;
}

.pd-section-header__title {
  font-family: var(--pd-font-editorial);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  line-height: 1.3;
  margin-bottom: 14px;
}

.pd-section-header__desc {
  font-size: 1.05rem;
  color: var(--pd-text-muted);
  line-height: 1.65;
}

/* ===================================================================
   植物标本签风格特性卡 (BOTANICAL SPECIMEN CARDS - FEATURES)
   =================================================================== */

.pd-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pd-feature-card {
  background-color: var(--pd-cream-card);
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
  padding: 30px 24px;
  box-shadow: var(--pd-shadow-leaf);
  position: relative;
  transition: all 0.28s ease;
  display: flex;
  flex-direction: column;
}

/* 植物标本标签装饰细线与印章感 */
.pd-feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 40px;
  height: 3px;
  background-color: var(--pd-palm-green);
  border-radius: 0 0 2px 2px;
}

.pd-feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--pd-palm-green);
  box-shadow: var(--pd-shadow-hover);
  background-color: #ffffff;
}

.pd-feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(45, 90, 63, 0.1);
  color: var(--pd-palm-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.28s ease;
}

.pd-feature-card:hover .pd-feature-card__icon {
  background-color: var(--pd-palm-green);
  color: var(--pd-cream);
  transform: rotate(5deg) scale(1.05);
}

.pd-feature-card__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  margin-bottom: 12px;
}

.pd-feature-card__text {
  font-size: 0.92rem;
  color: var(--pd-text-body);
  line-height: 1.65;
}

/* ===================================================================
   流媒体与 AI 支持模块 (POOL 阶段：水碧面板与热带果实标签)
   =================================================================== */

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

.pd-media-panel {
  background-color: #ffffff;
  border: 1px solid rgba(34, 107, 116, 0.18);
  border-radius: var(--pd-radius-lg);
  padding: 36px 32px;
  box-shadow: 0 6px 20px rgba(34, 107, 116, 0.08);
  position: relative;
  overflow: hidden;
}

.pd-media-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(34, 107, 116, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pd-media-panel__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.pd-media-panel__head svg {
  color: var(--pd-ocean-blue);
}

.pd-media-panel__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--pd-forest-green);
}

.pd-media-panel__desc {
  font-size: 0.96rem;
  color: var(--pd-text-body);
  line-height: 1.65;
  margin-bottom: 24px;
}

.pd-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pd-tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--pd-radius-pill);
  font-size: 0.86rem;
  font-weight: 600;
  background-color: var(--pd-cream);
  color: var(--pd-forest-green);
  border: 1px solid var(--pd-border-subtle);
  transition: all 0.2s ease;
}

.pd-tag-chip:hover {
  background-color: var(--pd-ocean-blue);
  color: #ffffff;
  border-color: var(--pd-ocean-blue);
  transform: translateY(-2px);
}

/* ===================================================================
   场景模块 (SCENARIOS - 热带度假卡片)
   =================================================================== */

.pd-scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pd-scenario-card {
  background-color: var(--pd-cream-card);
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-lg);
  padding: 34px 28px;
  box-shadow: var(--pd-shadow-leaf);
  display: flex;
  flex-direction: column;
  transition: all 0.28s ease;
}

.pd-scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pd-shadow-hover);
  background-color: #ffffff;
  border-color: var(--pd-palm-green);
}

.pd-scenario-card__header {
  margin-bottom: 16px;
}

.pd-scenario-card__badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pd-palm-green);
  background-color: rgba(45, 90, 63, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-family: var(--pd-font-mono);
}

.pd-scenario-card__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--pd-forest-green);
}

.pd-scenario-card__device {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--pd-text-muted);
  background-color: rgba(0, 0, 0, 0.03);
  padding: 6px 12px;
  border-radius: var(--pd-radius-sm);
  margin-bottom: 18px;
  width: fit-content;
}

.pd-scenario-card__device svg {
  color: var(--pd-palm-green);
}

.pd-scenario-card__desc {
  font-size: 0.94rem;
  color: var(--pd-text-body);
  line-height: 1.7;
}

/* ===================================================================
   优势亮点 BENEFITS
   =================================================================== */

.pd-benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pd-benefit-item {
  background-color: #ffffff;
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
  padding: 28px 22px;
  box-shadow: var(--pd-shadow-leaf);
  transition: all 0.22s ease;
}

.pd-benefit-item:hover {
  transform: translateY(-4px);
  border-color: var(--pd-palm-green);
}

.pd-benefit-item__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  margin-bottom: 10px;
}

.pd-benefit-item__text {
  font-size: 0.9rem;
  color: var(--pd-text-body);
  line-height: 1.6;
}

/* ===================================================================
   套餐方案 PRICING (Experience Levels: Day Pass / Escape / Private Retreat)
   =================================================================== */

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

.pd-pricing-card {
  background-color: #ffffff;
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-lg);
  padding: 38px 30px;
  box-shadow: var(--pd-shadow-leaf);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.28s ease;
}

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

/* 推荐中档：浪涌海风 · ESCAPE */
.pd-pricing-card--popular {
  border: 2px solid var(--pd-palm-green);
  background: linear-gradient(180deg, #ffffff 0%, #faf8f2 100%);
  box-shadow: 0 12px 36px rgba(45, 90, 63, 0.16);
  transform: scale(1.03);
}

.pd-pricing-card--popular:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 18px 46px rgba(45, 90, 63, 0.22);
}

.pd-pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--pd-mango-orange);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: var(--pd-radius-pill);
  box-shadow: 0 4px 10px rgba(234, 122, 30, 0.35);
  white-space: nowrap;
}

.pd-pricing-card__target {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pd-palm-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.pd-pricing-card__name {
  font-family: var(--pd-font-editorial);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  margin-bottom: 10px;
}

.pd-pricing-card__desc {
  font-size: 0.9rem;
  color: var(--pd-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  min-height: 48px;
}

.pd-pricing-card__price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pd-border-subtle);
}

.pd-pricing-card__currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--pd-forest-green);
}

.pd-pricing-card__price {
  font-family: var(--pd-font-mono);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--pd-forest-green);
  line-height: 1;
}

.pd-pricing-card__period {
  font-size: 0.95rem;
  color: var(--pd-text-muted);
  font-weight: 500;
}

.pd-pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pd-pricing-card__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--pd-text-body);
  line-height: 1.5;
}

.pd-pricing-card__feature-item svg {
  color: var(--pd-palm-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===================================================================
   常见问题 FAQ (植物折叠手风琴)
   =================================================================== */

.pd-faq-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pd-faq-item {
  background-color: #ffffff;
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(19, 46, 30, 0.04);
  transition: all 0.25s ease;
}

.pd-faq-item.is-open {
  border-color: var(--pd-palm-green);
  box-shadow: var(--pd-shadow-leaf);
}

.pd-faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  background: none;
  border: none;
  font-family: var(--pd-font-editorial);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.pd-faq-question:hover {
  color: var(--pd-palm-green);
}

.pd-faq-icon {
  width: 20px;
  height: 20px;
  color: var(--pd-palm-green);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.pd-faq-item.is-open .pd-faq-icon {
  transform: rotate(180deg);
  color: var(--pd-mango-orange);
}

.pd-faq-answer {
  display: none;
  padding: 0 26px 22px;
  font-size: 0.95rem;
  color: var(--pd-text-body);
  line-height: 1.7;
  border-top: 1px dashed rgba(45, 90, 63, 0.15);
  margin-top: 4px;
  padding-top: 16px;
}

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

/* ===================================================================
   FINAL CTA 模块 (SUNSET 暖橙黄昏背景 + 巨型金色落日 SVG 意象)
   =================================================================== */

.pd-final-cta {
  padding: 100px 0;
  background: radial-gradient(circle at 50% 100%, rgba(234, 122, 30, 0.35) 0%, transparent 60%),
              linear-gradient(135deg, #1f3b2b 0%, #132e1e 65%, #2a1b12 100%);
  color: var(--pd-cream);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* 巨型金色落日意象背景 */
.pd-final-cta__sun {
  position: absolute;
  bottom: -90px;
  left: 50%;
  transform: translateX(-50%);
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.38) 0%, rgba(234, 122, 30, 0.15) 55%, transparent 75%);
  border-radius: 50%;
  pointer-events: none;
}

.pd-final-cta__inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}

.pd-final-cta__title {
  font-family: var(--pd-font-editorial);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 18px;
}

.pd-final-cta__desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(250, 248, 242, 0.85);
  margin-bottom: 36px;
}

.pd-final-cta .pd-btn--primary {
  background-color: var(--pd-mango-orange);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(234, 122, 30, 0.45);
}

.pd-final-cta .pd-btn--primary:hover {
  background-color: #f28e2b;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 28px rgba(234, 122, 30, 0.6);
}

/* ===================================================================
   移动端吸底 CTA
   =================================================================== */

.pd-mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(250, 248, 242, 0.96);
  backdrop-filter: blur(10px);
  padding: 12px 18px;
  box-shadow: 0 -4px 16px rgba(19, 46, 30, 0.12);
  z-index: 99;
  border-top: 1px solid var(--pd-border-subtle);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pd-mobile-sticky-cta.is-visible {
  transform: translateY(0);
}

/* ===================================================================
   页脚 FOOTER (深林绿圣地 SANCTUARY)
   =================================================================== */

.pd-footer {
  background-color: var(--pd-deep-forest);
  color: rgba(250, 248, 242, 0.75);
  padding: 72px 0 36px;
  border-top: 1px solid rgba(45, 90, 63, 0.3);
  font-size: 0.9rem;
}

.pd-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.pd-footer__brand-desc {
  margin-top: 18px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(250, 248, 242, 0.65);
  max-width: 320px;
}

.pd-footer__col-title {
  font-family: var(--pd-font-editorial);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--pd-cream);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.pd-footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pd-footer__link {
  color: rgba(250, 248, 242, 0.72);
  transition: color 0.2s ease, transform 0.2s ease;
  width: fit-content;
}

.pd-footer__link:hover {
  color: var(--pd-banana-yellow);
  transform: translateX(3px);
}

.pd-footer__disclaimer {
  padding: 20px 24px;
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: var(--pd-radius-sm);
  border-left: 3px solid var(--pd-palm-green);
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(250, 248, 242, 0.65);
  margin-bottom: 36px;
}

.pd-footer__disclaimer strong {
  color: var(--pd-cream);
}

.pd-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: rgba(250, 248, 242, 0.5);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===================================================================
   文章页与信息页通用排版 (ARTICLES & CONTENT PAGES)
   =================================================================== */

.pd-article-layout {
  padding: 56px 0 88px;
}

.pd-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--pd-text-muted);
  margin-bottom: 28px;
}

.pd-breadcrumbs a {
  color: var(--pd-palm-green);
}

.pd-breadcrumbs span {
  opacity: 0.5;
}

.pd-article-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--pd-border-subtle);
}

.pd-article-header__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.86rem;
  color: var(--pd-text-muted);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.pd-article-header__tag {
  background-color: rgba(45, 90, 63, 0.1);
  color: var(--pd-palm-green);
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.82rem;
}

.pd-article-header__title {
  font-family: var(--pd-font-editorial);
  font-size: 2.4rem;
  line-height: 1.3;
  color: var(--pd-forest-green);
  font-weight: 700;
  margin-bottom: 16px;
}

.pd-article-header__summary {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--pd-text-body);
}

.pd-article-content {
  background-color: #ffffff;
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-lg);
  padding: 48px;
  box-shadow: var(--pd-shadow-leaf);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--pd-text-body);
}

.pd-article-content h2 {
  font-family: var(--pd-font-editorial);
  font-size: 1.7rem;
  color: var(--pd-forest-green);
  margin-top: 42px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pd-border-subtle);
}

.pd-article-content h3 {
  font-family: var(--pd-font-editorial);
  font-size: 1.3rem;
  color: var(--pd-forest-green);
  margin-top: 28px;
  margin-bottom: 14px;
}

.pd-article-content p {
  margin-bottom: 20px;
}

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

.pd-article-content ul {
  list-style: disc;
}

.pd-article-content ol {
  list-style: decimal;
}

.pd-article-content li {
  margin-bottom: 8px;
}

/* 警示与说明框 */
.pd-callout {
  padding: 20px 24px;
  border-radius: var(--pd-radius-md);
  margin: 28px 0;
  background-color: var(--pd-cream);
  border-left: 4px solid var(--pd-palm-green);
}

.pd-callout--tip {
  background-color: var(--pd-ocean-tint);
  border-left-color: var(--pd-ocean-blue);
}

.pd-callout--warning {
  background-color: #fcf9f0;
  border-left-color: var(--pd-mango-orange);
}

.pd-callout__title {
  font-weight: 700;
  color: var(--pd-forest-green);
  margin-bottom: 6px;
  font-size: 1rem;
}

/* 文章内置 CTA 卡片 */
.pd-article-cta-box {
  background: linear-gradient(135deg, rgba(45, 90, 63, 0.08) 0%, rgba(234, 122, 30, 0.08) 100%);
  border: 1.5px solid var(--pd-palm-green);
  border-radius: var(--pd-radius-md);
  padding: 32px;
  text-align: center;
  margin: 40px 0;
}

.pd-article-cta-box__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.45rem;
  color: var(--pd-forest-green);
  margin-bottom: 10px;
  font-weight: 700;
}

.pd-article-cta-box__desc {
  font-size: 0.98rem;
  color: var(--pd-text-body);
  margin-bottom: 22px;
}

/* ===================================================================
   全站通用内容页与文章排版 (CONTENT PAGES, ARTICLES & POLICIES)
   =================================================================== */

.pd-content-header {
  background: radial-gradient(circle at 80% 20%, rgba(255, 209, 102, 0.18) 0%, transparent 40%),
              linear-gradient(180deg, #faf8f2 0%, #f4f0e6 100%);
  padding: 44px 0 32px;
  border-bottom: 1px solid var(--pd-border-subtle);
}

.pd-content-title {
  font-family: var(--pd-font-editorial);
  font-size: 2.2rem;
  color: var(--pd-forest-green);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.pd-content-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--pd-text-muted);
  flex-wrap: wrap;
}

.pd-content-body {
  padding: 48px 0 80px;
}

/* 两栏文章布局：左侧正文，右侧目录/专题侧栏 */
.pd-article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 36px;
  align-items: start;
}

/* 侧边栏与小组件 */
.pd-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 92px;
}

.pd-sidebar-widget {
  background-color: #ffffff;
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
  padding: 22px 20px;
  box-shadow: var(--pd-shadow-leaf);
}

.pd-sidebar-widget__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--pd-forest-green);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pd-border-subtle);
  letter-spacing: 0.5px;
}

.pd-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pd-sidebar-nav a {
  display: block;
  font-size: 0.88rem;
  color: var(--pd-text-body);
  padding: 4px 0;
  transition: all 0.2s ease;
  line-height: 1.5;
}

.pd-sidebar-nav a:hover {
  color: var(--pd-palm-green);
  transform: translateX(4px);
}

.pd-article-cta-box__text {
  font-size: 0.96rem;
  color: var(--pd-text-body);
  line-height: 1.65;
  margin-bottom: 20px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* 延伸阅读 */
.pd-article-interlinks {
  margin-top: 36px;
  padding: 24px 26px;
  background-color: var(--pd-cream);
  border: 1px solid var(--pd-border-subtle);
  border-radius: var(--pd-radius-md);
}

.pd-article-interlinks__title {
  font-family: var(--pd-font-editorial);
  font-size: 1.15rem;
  color: var(--pd-forest-green);
  font-weight: 700;
  margin-bottom: 14px;
}

.pd-article-interlinks__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pd-article-interlinks__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--pd-palm-green);
  font-weight: 600;
  padding: 8px 12px;
  background-color: #ffffff;
  border-radius: var(--pd-radius-sm);
  border: 1px solid var(--pd-border-subtle);
  transition: all 0.2s ease;
}

.pd-article-interlinks__list a:hover {
  background-color: var(--pd-palm-green);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===================================================================
   媒体查询与响应式适配 (RESPONSIVE DESIGN)
   =================================================================== */

@media (max-width: 1024px) {
  .pd-article-layout {
    grid-template-columns: 1fr;
  }

  .pd-sidebar {
    position: static;
  }

  .pd-hero__grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .pd-hero__content {
    align-items: center;
    text-align: center;
  }

  .pd-hero__subtitle {
    max-width: 100%;
  }

  .pd-hero__trust {
    justify-content: center;
  }

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

  .pd-scenarios-grid {
    grid-template-columns: 1fr;
  }

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

  .pd-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pd-pricing-card--popular {
    transform: none;
  }

  .pd-pricing-card--popular:hover {
    transform: translateY(-6px);
  }

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

@media (max-width: 768px) {
  .pd-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--pd-cream);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--pd-border-subtle);
    box-shadow: 0 10px 25px rgba(19, 46, 30, 0.1);
  }

  .pd-nav.is-open {
    display: flex;
  }

  .pd-menu-toggle {
    display: block;
  }

  .pd-hero {
    padding: 48px 0 72px;
  }

  .pd-hero__title {
    font-size: 2.3rem;
  }

  .pd-features-grid {
    grid-template-columns: 1fr;
  }

  .pd-media-grid {
    grid-template-columns: 1fr;
  }

  .pd-benefits-grid {
    grid-template-columns: 1fr;
  }

  .pd-article-content {
    padding: 24px 18px;
  }

  .pd-article-header__title {
    font-size: 1.85rem;
  }

  .pd-final-cta__title {
    font-size: 1.9rem;
  }

  .pd-mobile-sticky-cta {
    display: block;
  }

  body {
    padding-bottom: 64px; /* 为移动端吸底 CTA 留出空间 */
  }

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

  .pd-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}