/* ==========================================================================
   NiceDuck (niceduckvpn.mom) 2026 北欧自然有机大地 · 侘寂亚麻生活志
   设计体系：Nordic Kinfolk / Warm Linen, Sun-Baked Terracotta & Botanical Olive Sage Editorial
   特性：温润亚麻质感 · 人文衬线排版 · 有机圆角卡片 · 慢生活交互体验
   ========================================================================== */

:root {
  /* 核心北欧大地与亚麻调色盘 */
  --bg-linen: #F5F0E6;
  --bg-sand: #EAE2D3;
  --bg-card: #FCF9F4;
  --bg-card-hover: #FFFDF9;
  --bg-pine: #1E2923;
  --text-espresso: #231F1D;
  --text-clay: #5C534E;
  --text-muted: #857A72;
  --text-cream: #F5F0E6;
  --border-warm: #DCD3C2;
  --border-focus: rgba(200, 90, 50, 0.45);
  --accent-terracotta: #C85A32;
  --accent-terracotta-hover: #AD4824;
  --accent-terracotta-soft: rgba(200, 90, 50, 0.1);
  --accent-sage: #3D5A45;
  --accent-sage-soft: rgba(61, 90, 69, 0.1);
  --accent-ochre: #D49B35;
  --accent-ochre-soft: rgba(212, 155, 53, 0.14);

  /* 柔和有机阴影 */
  --shadow-soft: 0 10px 30px rgba(35, 31, 29, 0.06);
  --shadow-elevated: 0 16px 40px rgba(35, 31, 29, 0.1);

  /* 兼容子页面历史变量别名（全量映射至温暖亚麻与赤陶色系） */
  --bg-core: var(--bg-linen);
  --bg-surface: var(--bg-card);
  --bg-surface-elevated: var(--bg-sand);
  --bg-surface-hover: var(--bg-card-hover);
  --text-white: var(--text-espresso);
  --text-primary: var(--text-espresso);
  --text-secondary: var(--text-clay);
  --text-dim: var(--text-muted);
  --border-subtle: var(--border-warm);
  --border-active: var(--border-focus);
  --border-card: var(--border-warm);
  --cyan-primary: var(--accent-terracotta);
  --cyan-hover: var(--accent-terracotta-hover);
  --emerald-success: var(--accent-sage);
  --purple-accent: var(--accent-ochre);

  /* 字体与布局尺度 */
  --font-serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --max-width: 1180px;
  --header-height: 74px;
  --radius-card: 22px;
  --radius-pill: 999px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-espresso);
  background-color: var(--bg-linen);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-espresso);
  background-color: var(--bg-linen);
  background-image:
    radial-gradient(at 8% 5%, rgba(200, 90, 50, 0.05) 0px, transparent 48%),
    radial-gradient(at 92% 90%, rgba(61, 90, 69, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
}

h1, h2, h3, h4,
.section-title,
.article-title,
.plan-tier-title,
.bento-title,
.doc-card-heading,
.footer-identity {
  font-family: var(--font-serif);
  color: var(--text-espresso);
  letter-spacing: 0.01em;
}

/* 顶部文章阅读进度条 */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-terracotta), var(--accent-sage));
  width: 0%;
  z-index: 9999;
  transition: width 0.12s ease-out;
}

a {
  color: var(--accent-terracotta);
  text-decoration: none;
  transition: all 0.22s ease;
}

a:hover {
  color: var(--accent-terracotta-hover);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-terracotta);
  outline-offset: 3px;
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* 触感圆润胶囊按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.65rem 1.65rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  position: relative;
}

.btn-cyan,
.btn-terracotta {
  background: var(--accent-terracotta);
  color: #FCF9F4;
  border-color: var(--accent-terracotta);
  box-shadow: 0 6px 18px rgba(200, 90, 50, 0.22);
}

.btn-cyan:hover,
.btn-terracotta:hover {
  background: var(--accent-terracotta-hover);
  border-color: var(--accent-terracotta-hover);
  box-shadow: 0 8px 24px rgba(173, 72, 36, 0.3);
  transform: translateY(-1px);
  color: #FCF9F4;
}

.btn-emerald,
.btn-sage {
  background: var(--accent-sage);
  color: #FCF9F4;
  border-color: var(--accent-sage);
  box-shadow: 0 6px 18px rgba(61, 90, 69, 0.2);
}

.btn-emerald:hover,
.btn-sage:hover {
  background: #2F4736;
  color: #FCF9F4;
  transform: translateY(-1px);
}

.btn-glass,
.btn-linen {
  background: var(--bg-card);
  color: var(--text-espresso);
  border: 1px solid var(--border-warm);
  box-shadow: 0 4px 12px rgba(35, 31, 29, 0.04);
}

.btn-glass:hover,
.btn-linen:hover {
  background: var(--bg-sand);
  border-color: #C5B9A5;
  color: var(--text-espresso);
  transform: translateY(-1px);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* 顶部导航 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(245, 240, 230, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-warm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-espresso);
  letter-spacing: 0.02em;
}

.site-logo:hover {
  color: var(--accent-terracotta);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: 12px;
  color: var(--accent-terracotta);
  box-shadow: 0 4px 10px rgba(35, 31, 29, 0.05);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.65rem;
}

.nav-desktop a:not(.btn) {
  color: var(--text-clay);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-desktop a:not(.btn):hover {
  color: var(--text-espresso);
  border-bottom-color: var(--accent-terracotta);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text-espresso);
}

.nav-mobile-drawer {
  display: none;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-warm);
  padding: 1.5rem;
  gap: 1rem;
  box-shadow: var(--shadow-elevated);
}

.nav-mobile-drawer.is-open {
  display: flex;
}

.nav-mobile-drawer a:not(.btn) {
  font-size: 1.05rem;
  color: var(--text-espresso);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-warm);
}

@media (min-width: 920px) {
  .nav-desktop {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .nav-mobile-drawer {
    display: none !important;
  }
}

/* 通用杂志感章节排版 */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background: var(--bg-sand);
  border-top: 1px solid var(--border-warm);
  border-bottom: 1px solid var(--border-warm);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.95rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-sage);
  background: var(--accent-sage-soft);
  border: 1px solid rgba(61, 90, 69, 0.25);
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.section-title {
  font-size: 2.2rem;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 0.9rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-clay);
  line-height: 1.75;
}

/* ==========================================================================
   1. 温暖生活志首屏 (Warm Editorial Hero + 日常作息与月度流量估算器)
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 4.5rem 0;
}

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

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 3.5rem;
  }
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: 2.55rem;
  line-height: 1.26;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 1.35rem;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 2.85rem;
  }
}

.hero-desc {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-clay);
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-bottom: 2.5rem;
}

.hero-trust-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-warm);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trust-num {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-terracotta);
}

.trust-label {
  font-size: 0.85rem;
  color: var(--text-clay);
}

/* 右侧：日常作息与月度流量估算器 (Kinfolk Interactive Widget) */
.estimator-card,
.hud-console {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.estimator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-warm);
  margin-bottom: 1.35rem;
}

.estimator-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-sage);
}

.estimator-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-sage);
  display: inline-block;
}

.estimator-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--accent-ochre-soft);
  color: #8A5D12;
}

.estimator-controls {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: 1.4rem;
}

.estimator-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-espresso);
  margin-bottom: 0.5rem;
}

.estimator-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.est-pill-btn {
  padding: 0.5rem 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 12px;
  border: 1px solid var(--border-warm);
  background: var(--bg-linen);
  color: var(--text-clay);
  cursor: pointer;
  transition: all 0.2s ease;
}

.est-pill-btn:hover {
  border-color: var(--accent-terracotta);
  color: var(--text-espresso);
}

.est-pill-btn.active {
  background: var(--accent-terracotta);
  color: #FCF9F4;
  border-color: var(--accent-terracotta);
  font-weight: 600;
}

.estimator-result-box {
  background: var(--bg-linen);
  border: 1px solid var(--border-warm);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.estimator-result-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.estimator-vol-label {
  font-size: 0.8125rem;
  color: var(--text-clay);
}

.estimator-vol-value {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--accent-terracotta);
}

.estimator-rec-tier {
  font-size: 0.875rem;
  color: var(--text-espresso);
  line-height: 1.55;
}

.estimator-rec-tier strong {
  color: var(--accent-sage);
}

/* ==========================================================================
   2. 风物四则 · 温柔而坚韧的底层连接 (4 Botanical Feature Cards)
   ========================================================================== */
.spec-matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .spec-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-cell {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2.15rem;
  display: flex;
  gap: 1.35rem;
  align-items: flex-start;
  box-shadow: var(--shadow-soft);
  transition: all 0.25s ease;
}

.spec-cell:hover {
  border-color: var(--accent-sage);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

.spec-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--accent-sage-soft);
  border: 1px solid rgba(61, 90, 69, 0.25);
  color: var(--accent-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-icon-box svg {
  width: 24px;
  height: 24px;
}

.spec-content-box h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 0.55rem;
}

.spec-content-box p {
  font-size: 0.95rem;
  color: var(--text-clay);
  line-height: 1.7;
}

/* ==========================================================================
   3. 订阅小筑 · 三季透明资费方案 (3 Seasonal Pricing Cards)
   ========================================================================== */
.billing-switcher-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.switcher-pills {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  padding: 0.35rem;
  border-radius: var(--radius-pill);
  gap: 0.35rem;
  box-shadow: var(--shadow-soft);
}

.cycle-btn {
  background: transparent;
  border: none;
  padding: 0.55rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-clay);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cycle-btn.active {
  background: var(--accent-terracotta);
  color: #FCF9F4;
  box-shadow: 0 4px 12px rgba(200, 90, 50, 0.25);
}

.pricing-cards-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .pricing-cards-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2.35rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-soft);
  transition: all 0.25s ease;
}

.plan-card:hover {
  transform: translateY(-4px);
  border-color: #C5B9A5;
  box-shadow: var(--shadow-elevated);
}

.plan-card-featured {
  border: 2px solid var(--accent-terracotta);
  background: #FFFDF9;
  box-shadow: 0 14px 36px rgba(200, 90, 50, 0.12);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-ochre);
  color: #231F1D;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.28rem 1.1rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 10px rgba(212, 155, 53, 0.25);
}

.plan-tier-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 0.5rem;
}

.plan-tier-subtitle {
  font-size: 0.9rem;
  color: var(--text-clay);
  margin-bottom: 1.5rem;
  min-height: 44px;
}

.plan-price-block {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-warm);
}

.plan-currency {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-terracotta);
}

.plan-figure {
  font-family: var(--font-serif);
  font-size: 2.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-espresso);
}

.plan-cycle-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.plan-feature-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin-bottom: 2.25rem;
  flex-grow: 1;
}

.plan-feature-items li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-espresso);
}

.plan-feature-items svg {
  width: 18px;
  height: 18px;
  color: var(--accent-sage);
  flex-shrink: 0;
}

/* ==========================================================================
   4. 栖居日常 · 从书房文献到客厅剧场 (3 Lifestyle Stories)
   ========================================================================== */
.bento-scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 840px) {
  .bento-scenarios {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2.15rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-soft);
  transition: all 0.25s ease;
}

.bento-card:hover {
  border-color: var(--accent-terracotta);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

.bento-highlight {
  border-color: rgba(200, 90, 50, 0.45);
  background: linear-gradient(180deg, #FFFDF9 0%, #FCF9F4 100%);
}

.bento-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.bento-device-chip {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  background: var(--accent-terracotta-soft);
  border: 1px solid rgba(200, 90, 50, 0.25);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.bento-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 0.75rem;
}

.bento-desc {
  font-size: 0.95rem;
  color: var(--text-clay);
  line-height: 1.75;
  flex-grow: 1;
}

/* ==========================================================================
   5. 数字园地 · 环球视听与智能写作伴侣 (Streaming & AI Showcase)
   ========================================================================== */
.ecosystem-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.tab-filter-btn {
  padding: 0.55rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-warm);
  background: var(--bg-card);
  color: var(--text-clay);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-filter-btn:hover {
  color: var(--text-espresso);
  border-color: var(--accent-sage);
}

.tab-filter-btn.active {
  background: var(--accent-sage);
  color: #FCF9F4;
  border-color: var(--accent-sage);
  box-shadow: 0 4px 12px rgba(61, 90, 69, 0.22);
}

.matrix-showcase-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
}

@media (min-width: 560px) {
  .matrix-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .matrix-showcase-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.matrix-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.35rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  box-shadow: var(--shadow-soft);
  transition: all 0.22s ease;
}

.matrix-item-card:hover {
  border-color: var(--accent-terracotta);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.matrix-item-card svg {
  width: 28px;
  height: 28px;
  color: var(--accent-terracotta);
}

.matrix-item-name {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin: 0;
}

.matrix-item-status {
  font-size: 0.8125rem;
  color: var(--accent-sage);
  font-weight: 600;
}

/* ==========================================================================
   6. 线路织造 · 专线与寻常通道的质地对比 (Comparison Table)
   ========================================================================== */
.table-panel-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  overflow-x: auto;
  box-shadow: var(--shadow-soft);
}

.tech-compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.tech-compare-table th,
.tech-compare-table td {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border-warm);
  color: var(--text-clay);
}

.tech-compare-table th {
  background: var(--bg-sand);
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-espresso);
}

.tech-compare-table tbody th {
  background: transparent;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--text-espresso);
}

.tech-compare-table tr:last-child th,
.tech-compare-table tr:last-child td {
  border-bottom: none;
}

.tech-compare-table .col-hero {
  color: var(--accent-terracotta);
  font-weight: 600;
  background: rgba(200, 90, 50, 0.06);
}

/* ==========================================================================
   7. 邻里茶话 · 常见疑问慢答 (FAQ Accordion)
   ========================================================================== */
.faq-accordion-group {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.faq-fold-item {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease;
}

.faq-fold-item[open] {
  border-color: var(--accent-terracotta);
}

.faq-header-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.6rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-espresso);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-clay);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-fold-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-terracotta);
}

.faq-body-content {
  padding: 0 1.6rem 1.5rem 1.6rem;
  font-size: 0.95rem;
  color: var(--text-clay);
  line-height: 1.78;
  border-top: 1px solid var(--border-warm);
  padding-top: 1.2rem;
}

/* ==========================================================================
   8. 暮色邀约 · 底部温和引导 (Deep Pine Forest Contrast Block)
   ========================================================================== */
.final-banner-section {
  padding: 5.5rem 0;
  background: var(--bg-pine);
  color: var(--text-cream);
  text-align: center;
  position: relative;
}

.final-banner-box {
  max-width: 720px;
  margin: 0 auto;
}

.final-banner-box .section-tag {
  background: rgba(212, 155, 53, 0.2);
  border-color: rgba(212, 155, 53, 0.45);
  color: #F3C66F;
}

.final-banner-box h2 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-cream);
  margin-bottom: 1.2rem;
}

.final-banner-box p {
  font-size: 1.1rem;
  color: #D5CFC2;
  margin-bottom: 2.25rem;
  line-height: 1.75;
}

/* ==========================================================================
   页脚 Footer (Warm Sand & Linen Editorial Footer)
   ========================================================================== */
.site-footer {
  background: var(--bg-sand);
  color: var(--text-clay);
  padding: 4rem 0 2.5rem 0;
  font-size: 0.875rem;
  margin-top: auto;
  border-top: 1px solid var(--border-warm);
}

.footer-main-row {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding-bottom: 2.25rem;
  border-bottom: 1px solid var(--border-warm);
  margin-bottom: 1.75rem;
}

@media (min-width: 768px) {
  .footer-main-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-identity {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-espresso);
}

.footer-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}

.footer-nav-links a {
  color: var(--text-clay);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-nav-links a:hover {
  color: var(--accent-terracotta);
}

.footer-meta-notes {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* 移动端吸底浮动栏 */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(252, 249, 244, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-warm);
  padding: 0.85rem 1.25rem;
  z-index: 999;
  box-shadow: 0 -8px 24px rgba(35, 31, 29, 0.08);
}

.sticky-mobile-cta span {
  color: var(--text-espresso) !important;
}

@media (max-width: 767px) {
  .sticky-mobile-cta.is-visible {
    display: block;
  }
}

/* ==========================================================================
   手作指南列表页样式 (jiaocheng.html)
   ========================================================================== */
.guide-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .guide-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .guide-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.doc-article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: all 0.25s ease;
}

.doc-article-card:hover {
  border-color: var(--accent-terracotta);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.doc-card-banner {
  width: 100%;
  height: 165px;
  background: linear-gradient(135deg, rgba(200, 90, 50, 0.09) 0%, rgba(61, 90, 69, 0.09) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-warm);
}

.doc-card-banner svg {
  width: 52px;
  height: 52px;
  color: var(--accent-terracotta);
}

.doc-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.doc-card-metadata {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.doc-card-heading {
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 0.85rem;
}

.doc-card-heading a {
  color: var(--text-espresso);
}

.doc-card-heading a:hover {
  color: var(--accent-terracotta);
}

.doc-card-summary {
  font-size: 0.9375rem;
  color: var(--text-clay);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.doc-card-action {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   子页面文章与生活志内页排版 (Articles & Legal Editorial Layout)
   ========================================================================== */
.article-header {
  padding: 2.5rem 0 2rem 0;
  border-bottom: 1px solid var(--border-warm);
  margin-bottom: 2.5rem;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: var(--text-clay);
}

.breadcrumb-nav a:hover {
  color: var(--accent-terracotta);
}

.article-title {
  font-size: 2.15rem;
  line-height: 1.32;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 1.15rem;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.article-content {
  max-width: 840px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.88;
  color: var(--text-espresso);
}

.article-lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-espresso);
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-left: 4px solid var(--accent-terracotta);
  padding: 1.5rem 1.75rem;
  border-radius: 0 18px 18px 0;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-soft);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin: 2.85rem 0 1.15rem 0;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-warm);
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin: 1.85rem 0 0.75rem 0;
}

.article-content p {
  margin-bottom: 1.45rem;
  color: var(--text-clay);
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.75rem;
  padding-left: 1.65rem;
  color: var(--text-clay);
}

.article-content li {
  margin-bottom: 0.65rem;
}

.article-content strong {
  color: var(--text-espresso);
  font-weight: 700;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-sand);
  color: var(--accent-terracotta);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

.article-cta-box {
  background: var(--bg-pine);
  color: var(--text-cream);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2.65rem 2rem;
  margin: 3.5rem 0;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.article-cta-box h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-cream);
  margin: 0 0 0.85rem 0;
}

.article-cta-box p {
  color: #D5CFC2;
  max-width: 560px;
  margin: 0 auto 1.75rem auto;
}

.related-links {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 1.85rem;
  margin-top: 3.25rem;
  box-shadow: var(--shadow-soft);
}

.related-links h3 {
  font-size: 1.15rem;
  color: var(--text-espresso);
  margin-top: 0;
  margin-bottom: 1rem;
}

.related-links ul {
  margin-bottom: 0;
  padding-left: 1.4rem;
}

/* 路径索引网格 (sitemap.html) */
.sitemap-cards-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.85rem;
}

@media (min-width: 768px) {
  .sitemap-cards-group {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sitemap-block {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.sitemap-block h2 {
  font-size: 1.25rem;
  color: var(--text-espresso);
  margin: 0 0 1.2rem 0;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-warm);
}

.sitemap-block ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sitemap-block li a {
  display: inline-flex;
  font-weight: 500;
  color: var(--text-clay);
}

.sitemap-block li a:hover {
  color: var(--accent-terracotta);
}