/* ==========================================================================
   Kycloud机场官网 - Claymorphism 设计系统纯原生样式表
   零重型外部框架依赖 | 100% 原生 CSS | 极速秒开 | 权威 Claymorphism 规范
   ========================================================================== */

/* --------------------------------------------------------------------------
   设计系统权威 Token 声明 (Claymorphism Design System)
   -------------------------------------------------------------------------- */
:root {
  --dp-color-ground: #f1f2fa;
  --dp-color-ink: #383139;
  --dp-color-ink-secondary: #48404b;
  --dp-color-accent: #f6a3ca;
  --dp-color-surface-support: #c0efdc;
  --dp-color-surface-compare: #ded0f9;
  --dp-color-surface-warm: #f9e7a8;
  --dp-color-surface-cool: #c5e5fb;
  --dp-color-surface: #fffdf7;

  --dp-typography-face: "Claymorphism Instrument", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --dp-typography-body: 16px;
  --dp-typography-small: 15px;
  --dp-typography-metadata: 13px;
  --dp-typography-caption: 12px;
  --dp-typography-reading-leading: 1.55;
  --dp-typography-emphasis: 700;

  --dp-spacing-gap: 24px;
  --dp-spacing-gap-compact: 20px;
  --dp-spacing-paragraph-gap: 18px;

  --dp-radius-surface: 38px;
  --dp-radius-tray: 70px;
  --dp-radius-control: 999px;
  --dp-radius-disclosure: 25px;
  --dp-border-focus-width: 3px;
  --dp-motion-interaction: 180ms;

  --dp-max-width: 1200px;

  /* Clay Shading: Broad outer shadow + light inset upper-left + dark inset lower-right */
  --dp-clay-shadow: 12px 18px 36px rgba(56, 49, 57, 0.08), 3px 6px 12px rgba(56, 49, 57, 0.04);
  --dp-clay-inset: inset 5px 5px 10px rgba(255, 255, 255, 0.85), inset -5px -5px 10px rgba(56, 49, 57, 0.08);
  --dp-clay-cushion-shadow: 14px 22px 40px rgba(56, 49, 57, 0.1), inset 6px 6px 14px rgba(255, 255, 255, 0.9), inset -6px -6px 14px rgba(56, 49, 57, 0.12);
  --dp-clay-btn-shadow: 0 10px 20px rgba(246, 163, 202, 0.45), inset 2px 2px 5px rgba(255, 255, 255, 0.85), inset -2px -2px 5px rgba(180, 70, 110, 0.2);
}

/* --------------------------------------------------------------------------
   全局重置与版式基础
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--dp-typography-face);
  font-size: var(--dp-typography-body);
  line-height: var(--dp-typography-reading-leading);
  color: var(--dp-color-ink);
  background-color: var(--dp-color-ground);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--dp-color-ground);
  padding: 0 16px;
}

/* 无障碍键盘跳转 */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 20px;
  background: var(--dp-color-accent);
  color: var(--dp-color-ink);
  padding: 12px 24px;
  border-radius: var(--dp-radius-control);
  font-weight: var(--dp-typography-emphasis);
  z-index: 9999;
  text-decoration: none;
  box-shadow: var(--dp-clay-shadow);
}
.skip-link:focus {
  top: 20px;
  outline: var(--dp-border-focus-width) solid var(--dp-color-ink);
  outline-offset: 3px;
}

/* 焦点显式指示器 */
:focus-visible {
  outline: var(--dp-border-focus-width) solid var(--dp-color-ink);
  outline-offset: 3px;
}

/* 排版层次 */
h1, h2, h3, h4 {
  color: var(--dp-color-ink);
  font-weight: var(--dp-typography-emphasis);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

p {
  color: var(--dp-color-ink-secondary);
  font-size: var(--dp-typography-body);
  line-height: var(--dp-typography-reading-leading);
  margin-bottom: var(--dp-spacing-paragraph-gap);
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* 容器与版心 */
.container {
  width: 100%;
  max-width: var(--dp-max-width);
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   顶栏导航 (Navbar)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin-top: 16px;
  margin-bottom: 24px;
}

.nav-cushion {
  background: var(--dp-color-surface);
  border-radius: var(--dp-radius-control);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

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

.brand-logo-clay {
  width: 38px;
  height: 38px;
  background: var(--dp-color-accent);
  border-radius: var(--dp-radius-control);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 4px 8px rgba(246, 163, 202, 0.4), inset 2px 2px 4px rgba(255, 255, 255, 0.8), inset -2px -2px 4px rgba(56, 49, 57, 0.1);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dp-color-ink);
  letter-spacing: -0.01em;
}

.brand-badge {
  font-size: var(--dp-typography-caption);
  background: var(--dp-color-surface-support);
  color: var(--dp-color-ink);
  padding: 3px 8px;
  border-radius: var(--dp-radius-control);
  font-weight: 700;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.8), inset -1px -1px 2px rgba(56,49,57,0.06);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  font-size: var(--dp-typography-small);
  font-weight: 600;
  color: var(--dp-color-ink-secondary);
  padding: 8px 14px;
  border-radius: var(--dp-radius-control);
  transition: all var(--dp-motion-interaction) ease;
}
.nav-link:hover {
  color: var(--dp-color-ink);
  background: var(--dp-color-surface-support);
  box-shadow: inset 1px 1px 3px rgba(255,255,255,0.7), inset -1px -1px 3px rgba(56,49,57,0.06);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Claymorphism 按钮与控制组件
   -------------------------------------------------------------------------- */
.clay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  min-height: 44px;
  border-radius: var(--dp-radius-control);
  font-size: var(--dp-typography-small);
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform var(--dp-motion-interaction) ease, box-shadow var(--dp-motion-interaction) ease;
  user-select: none;
}

.clay-btn-accent {
  background: var(--dp-color-accent);
  color: var(--dp-color-ink);
  box-shadow: var(--dp-clay-btn-shadow);
}
.clay-btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(246, 163, 202, 0.55), inset 2px 2px 5px rgba(255, 255, 255, 0.9), inset -2px -2px 5px rgba(180, 70, 110, 0.25);
}
.clay-btn-accent:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 6px 12px rgba(246, 163, 202, 0.35), inset 3px 3px 6px rgba(180, 70, 110, 0.3);
}

.clay-btn-cream {
  background: var(--dp-color-surface);
  color: var(--dp-color-ink);
  box-shadow: 0 8px 16px rgba(56, 49, 57, 0.08), inset 2px 2px 4px rgba(255, 255, 255, 0.9), inset -2px -2px 4px rgba(56, 49, 57, 0.08);
}
.clay-btn-cream:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(56, 49, 57, 0.12), inset 2px 2px 4px rgba(255, 255, 255, 0.95);
}
.clay-btn-cream:active {
  transform: translateY(1px) scale(0.98);
}

.clay-btn-lavender {
  background: var(--dp-color-surface-compare);
  color: var(--dp-color-ink);
  box-shadow: 0 8px 16px rgba(160, 130, 210, 0.3), inset 2px 2px 4px rgba(255, 255, 255, 0.9), inset -2px -2px 4px rgba(56, 49, 57, 0.1);
}
.clay-btn-lavender:hover {
  transform: translateY(-2px);
}

.clay-btn-mint {
  background: var(--dp-color-surface-support);
  color: var(--dp-color-ink);
  box-shadow: 0 8px 16px rgba(80, 180, 140, 0.3), inset 2px 2px 4px rgba(255, 255, 255, 0.9), inset -2px -2px 4px rgba(56, 49, 57, 0.1);
}
.clay-btn-mint:hover {
  transform: translateY(-2px);
}

.clay-btn-ghost {
  background: transparent;
  color: var(--dp-color-ink);
  box-shadow: none;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.clay-btn-ghost:hover {
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   视觉区块容器系统 (Trays & Cushions)
   -------------------------------------------------------------------------- */
.clay-tray {
  background: var(--dp-color-surface);
  border-radius: var(--dp-radius-tray);
  padding: 56px 48px;
  margin-bottom: 40px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
  scroll-margin-top: 100px;
}

.clay-tray-lavender {
  background: var(--dp-color-surface-compare);
  border-radius: var(--dp-radius-tray);
  padding: 56px 48px;
  margin-bottom: 40px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
  scroll-margin-top: 100px;
}

.clay-cushion-pink {
  background: var(--dp-color-accent);
  border-radius: var(--dp-radius-surface);
  padding: 48px;
  box-shadow: var(--dp-clay-cushion-shadow);
  scroll-margin-top: 100px;
}

.clay-cushion-cream {
  background: var(--dp-color-surface);
  border-radius: var(--dp-radius-surface);
  padding: 32px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

.clay-cushion-mint {
  background: var(--dp-color-surface-support);
  border-radius: var(--dp-radius-surface);
  padding: 24px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

.clay-cushion-yellow {
  background: var(--dp-color-surface-warm);
  border-radius: var(--dp-radius-surface);
  padding: 24px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

.clay-cushion-blue {
  background: var(--dp-color-surface-cool);
  border-radius: var(--dp-radius-surface);
  padding: 24px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

.clay-cushion-lavender {
  background: var(--dp-color-surface-compare);
  border-radius: var(--dp-radius-surface);
  padding: 24px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
}

/* --------------------------------------------------------------------------
   主视觉区 (Hero Section)
   -------------------------------------------------------------------------- */
.hero-wrapper {
  margin-bottom: 32px;
}

.hero-cushion {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: center;
  gap: 36px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-tag {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.7);
  padding: 6px 14px;
  border-radius: var(--dp-radius-control);
  font-size: var(--dp-typography-metadata);
  font-weight: 700;
  color: var(--dp-color-ink);
  box-shadow: inset 1px 1px 3px rgba(255,255,255,0.9), inset -1px -1px 3px rgba(56,49,57,0.06);
}

.hero-title {
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.15;
  color: var(--dp-color-ink);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dp-color-ink);
  opacity: 0.95;
  line-height: 1.45;
}

.hero-intro {
  font-size: var(--dp-typography-body);
  color: var(--dp-color-ink-secondary);
  line-height: var(--dp-typography-reading-leading);
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

/* 3D 泥态雕塑装饰 (Clay Sculpture) */
.hero-sculpture {
  position: relative;
  width: 100%;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sculpture-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(10px 16px 24px rgba(56, 49, 57, 0.12));
}

/* 支持数据芯片条 (Fact Cushions) */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.fact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fact-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dp-color-ink);
  letter-spacing: -0.02em;
}

.fact-label {
  font-size: var(--dp-typography-metadata);
  font-weight: 600;
  color: var(--dp-color-ink-secondary);
}

/* --------------------------------------------------------------------------
   区块标题与导读
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: var(--dp-color-surface-support);
  padding: 5px 14px;
  border-radius: var(--dp-radius-control);
  font-size: var(--dp-typography-caption);
  font-weight: 700;
  color: var(--dp-color-ink);
  margin-bottom: 12px;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.8), inset -1px -1px 2px rgba(56,49,57,0.06);
}

.section-title {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-bottom: 12px;
  color: var(--dp-color-ink);
}

.section-desc {
  font-size: var(--dp-typography-body);
  color: var(--dp-color-ink-secondary);
}

/* --------------------------------------------------------------------------
   核心优势卡片 (3 Graphic Cards - Unequal arrangement)
   -------------------------------------------------------------------------- */
.features-unequal-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 24px;
}

.feature-lead-card {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--dp-color-surface-support);
}

.feature-icon-clay {
  width: 56px;
  height: 56px;
  border-radius: var(--dp-radius-disclosure);
  background: var(--dp-color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 4px 6px 14px rgba(56, 49, 57, 0.08), inset 2px 2px 4px rgba(255, 255, 255, 0.9), inset -2px -2px 4px rgba(56, 49, 57, 0.08);
  margin-bottom: 20px;
}

.feature-card-title {
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: var(--dp-color-ink);
}

.feature-card-desc {
  font-size: var(--dp-typography-body);
  color: var(--dp-color-ink-secondary);
  line-height: var(--dp-typography-reading-leading);
  margin-bottom: 20px;
}

.feature-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 16px;
}

.feature-pill {
  font-size: var(--dp-typography-caption);
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--dp-radius-control);
  background: var(--dp-color-surface);
  color: var(--dp-color-ink);
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.9), inset -1px -1px 2px rgba(56,49,57,0.06);
}

/* --------------------------------------------------------------------------
   流媒体与 AI 支持图卡 (Editorial Shelf)
   -------------------------------------------------------------------------- */
.support-shelf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.support-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.support-badges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.support-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--dp-color-surface);
  padding: 12px 16px;
  border-radius: var(--dp-radius-disclosure);
  font-size: var(--dp-typography-small);
  font-weight: 700;
  color: var(--dp-color-ink);
  box-shadow: 2px 4px 8px rgba(56, 49, 57, 0.05), inset 1px 1px 3px rgba(255,255,255,0.9), inset -1px -1px 3px rgba(56,49,57,0.06);
}

.badge-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 11px;
}

/* --------------------------------------------------------------------------
   套餐价格对比表 (Pricing Shelves in Lavender Decision Tray)
   -------------------------------------------------------------------------- */
.pricing-shelves-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.price-shelf {
  background: var(--dp-color-surface);
  border-radius: var(--dp-radius-surface);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
  position: relative;
  transition: transform var(--dp-motion-interaction) ease;
}

.price-shelf:hover {
  transform: translateY(-4px);
}

/* 核心推荐粉色架位 */
.price-shelf-featured {
  background: var(--dp-color-accent);
  box-shadow: var(--dp-clay-cushion-shadow);
  transform: scale(1.03);
  z-index: 2;
}
.price-shelf-featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--dp-color-ink);
  color: #fff;
  font-size: var(--dp-typography-caption);
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--dp-radius-control);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.shelf-header {
  margin-bottom: 24px;
}

.shelf-title {
  font-size: 1.35rem;
  margin-bottom: 8px;
  color: var(--dp-color-ink);
}

.shelf-desc {
  font-size: var(--dp-typography-metadata);
  color: var(--dp-color-ink-secondary);
}

.shelf-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 20px 0;
}

.shelf-currency {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dp-color-ink);
}

.shelf-amount {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--dp-color-ink);
  letter-spacing: -0.04em;
  line-height: 1;
}

.shelf-period {
  font-size: var(--dp-typography-metadata);
  color: var(--dp-color-ink-secondary);
  font-weight: 600;
}

.shelf-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.shelf-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--dp-typography-small);
  color: var(--dp-color-ink);
}

.shelf-check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--dp-color-surface-support);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 900;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.8);
}

.shelf-action {
  width: 100%;
}

/* --------------------------------------------------------------------------
   用户口碑评价 (Testimonials)
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: #ff9800;
  letter-spacing: 2px;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.review-text {
  font-size: var(--dp-typography-body);
  line-height: var(--dp-typography-reading-leading);
  color: var(--dp-color-ink-secondary);
  font-style: italic;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dp-color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 2px 3px 6px rgba(56, 49, 57, 0.1), inset 1px 1px 3px rgba(255,255,255,0.8);
}

.author-info h4 {
  font-size: var(--dp-typography-small);
  color: var(--dp-color-ink);
}

.author-info span {
  font-size: var(--dp-typography-caption);
  color: var(--dp-color-ink-secondary);
}

/* --------------------------------------------------------------------------
   常见问题解答 (FAQ - 默认展开 details open)
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--dp-color-surface);
  border-radius: var(--dp-radius-disclosure);
  padding: 22px 28px;
  box-shadow: var(--dp-clay-shadow), var(--dp-clay-inset);
  transition: all var(--dp-motion-interaction) ease;
}

.faq-item summary {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dp-color-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon-clay {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--dp-color-surface-support);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.8), inset -1px -1px 2px rgba(56,49,57,0.1);
  transition: transform var(--dp-motion-interaction) ease;
}

.faq-item[open] .faq-icon-clay {
  transform: rotate(45deg);
  background: var(--dp-color-accent);
}

.faq-answer {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(56, 49, 57, 0.08);
  font-size: var(--dp-typography-body);
  line-height: var(--dp-typography-reading-leading);
  color: var(--dp-color-ink-secondary);
}

/* --------------------------------------------------------------------------
   转化闭环横幅 (Closing Cushion)
   -------------------------------------------------------------------------- */
.closing-section {
  margin-bottom: 40px;
}

.closing-cushion {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 60px 32px;
}

.closing-title {
  font-size: clamp(28px, 3.6vw, 42px);
  max-width: 720px;
  color: var(--dp-color-ink);
}

.closing-desc {
  font-size: 1.15rem;
  color: var(--dp-color-ink);
  opacity: 0.9;
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   页脚规范 (Footer - 只保留 4 个标题，新页面展示)
   -------------------------------------------------------------------------- */
.site-footer {
  margin-bottom: 32px;
}

.footer-tray {
  padding: 44px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: var(--dp-typography-small);
  font-weight: 700;
  color: var(--dp-color-ink);
  padding: 10px 20px;
  border-radius: var(--dp-radius-control);
  background: var(--dp-color-ground);
  box-shadow: 2px 4px 8px rgba(56, 49, 57, 0.05), inset 1px 1px 3px rgba(255,255,255,0.9), inset -1px -1px 3px rgba(56,49,57,0.06);
  transition: all var(--dp-motion-interaction) ease;
}
.footer-nav-link:hover {
  background: var(--dp-color-surface-support);
  transform: translateY(-2px);
}

.footer-legal {
  font-size: var(--dp-typography-metadata);
  color: var(--dp-color-ink-secondary);
  text-align: center;
  max-width: 780px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   知识科普与文章页专属样式 (Knowledge Hub & Articles)
   -------------------------------------------------------------------------- */
.knowledge-header {
  margin-bottom: 32px;
}

.article-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--dp-motion-interaction) ease;
}
.article-card:hover {
  transform: translateY(-4px);
}

.article-card-tag {
  font-size: var(--dp-typography-caption);
  font-weight: 700;
  color: var(--dp-color-ink);
  background: var(--dp-color-surface-support);
  padding: 4px 10px;
  border-radius: var(--dp-radius-control);
  align-self: flex-start;
  margin-bottom: 14px;
}

.article-card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--dp-color-ink);
  line-height: 1.35;
}

.article-card-excerpt {
  font-size: var(--dp-typography-small);
  color: var(--dp-color-ink-secondary);
  line-height: var(--dp-typography-reading-leading);
  margin-bottom: 20px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--dp-typography-caption);
  color: var(--dp-color-ink-secondary);
}

/* 文章正文页排版 */
.article-container {
  max-width: 860px;
  margin: 0 auto 40px;
}

.article-header-tray {
  margin-bottom: 24px;
  padding: 48px;
}

.article-main-title {
  font-size: clamp(26px, 3.4vw, 38px);
  margin-bottom: 16px;
  color: var(--dp-color-ink);
  line-height: 1.3;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--dp-typography-small);
  color: var(--dp-color-ink-secondary);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--dp-color-ink);
}

.article-content h2 {
  font-size: 1.6rem;
  margin: 36px 0 16px;
  color: var(--dp-color-ink);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--dp-color-surface-support);
}

.article-content h3 {
  font-size: 1.3rem;
  margin: 28px 0 12px;
  color: var(--dp-color-ink);
}

.article-content p {
  margin-bottom: 18px;
  color: var(--dp-color-ink-secondary);
}

.article-content ul, .article-content ol {
  margin: 16px 0 20px 24px;
  color: var(--dp-color-ink-secondary);
}

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

.article-content blockquote {
  background: var(--dp-color-surface-support);
  border-left: 5px solid var(--dp-color-accent);
  padding: 16px 20px;
  border-radius: var(--dp-radius-disclosure);
  margin: 20px 0;
  font-style: italic;
  box-shadow: inset 1px 1px 3px rgba(255,255,255,0.8);
}

.article-content a {
  color: #c0246a;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}
.article-content a:hover {
  color: #8b124a;
}

/* 网站地图与单页 */
.sitemap-columns-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.sitemap-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sitemap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sitemap-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--dp-color-ground);
  border-radius: var(--dp-radius-disclosure);
  font-weight: 600;
  font-size: var(--dp-typography-small);
  box-shadow: 2px 4px 8px rgba(56, 49, 57, 0.04), inset 1px 1px 2px rgba(255,255,255,0.8);
  transition: all var(--dp-motion-interaction) ease;
}
.sitemap-item-link:hover {
  background: var(--dp-color-surface-support);
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   响应式媒体查询 (@media) - 确保手机端单栏与高触控面积 (44px+)
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-cushion {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-sculpture {
    height: 260px;
  }
  .pricing-shelves-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-shelf-featured {
    transform: none;
  }
  .price-shelf-featured:hover {
    transform: translateY(-4px);
  }
  .facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding: 0 12px;
  }
  .clay-tray, .clay-tray-lavender {
    padding: 36px 20px;
    border-radius: var(--dp-radius-surface);
  }
  .clay-cushion-pink {
    padding: 32px 20px;
    border-radius: var(--dp-radius-surface);
  }
  .nav-cushion {
    padding: 10px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav-menu {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(56, 49, 57, 0.08);
  }
  .features-unequal-grid {
    grid-template-columns: 1fr;
  }
  .support-shelf-grid {
    grid-template-columns: 1fr;
  }
  .pricing-shelves-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .article-cards-grid {
    grid-template-columns: 1fr;
  }
  .sitemap-columns-grid {
    grid-template-columns: 1fr;
  }
  .footer-tray {
    padding: 32px 16px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .footer-nav-link {
    width: 100%;
    text-align: center;
    display: block;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .clay-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  .facts-grid {
    grid-template-columns: 1fr;
  }
  .support-badges-grid {
    grid-template-columns: 1fr;
  }
}

/* 动效自适应 (Reduced Motion) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}