/* ========================================================
   最萌云 CuteCloud - Arc & Notion 极简触觉设计系统
   Visual Style: Warm Oat-milk (#FAF8F5), Pure Cream Cards (#FFFFFF),
   Soft Stone Borders (#EAE6DF), Deep Espresso (#231F20),
   Coral-Peach (#FF7E67), Mint Green (#34D399).
   ======================================================== */

:root {
  --bg-primary: #FAF8F5;
  --bg-secondary: #F3EFEA;
  --bg-tertiary: #EBE5DC;
  
  --card-bg: #FFFFFF;
  --card-bg-subtle: #F8F6F2;
  --border-color: #EAE6DF;
  --border-hover: #D8D2C7;
  
  --text-primary: #231F20;
  --text-secondary: #5C5552;
  --text-muted: #8C827D;
  
  --coral-peach: #FF7E67;
  --coral-peach-hover: #F06A52;
  --coral-peach-subtle: rgba(255, 126, 103, 0.12);
  
  --mint-green: #34D399;
  --mint-subtle: rgba(52, 211, 153, 0.15);
  
  --radius-container: 24px;
  --radius-card: 20px;
  --radius-btn: 9999px;
  --radius-pill: 9999px;
  
  --shadow-soft: 0 8px 30px rgba(35, 31, 32, 0.04), 0 2px 8px rgba(35, 31, 32, 0.02);
  --shadow-hover: 0 18px 45px rgba(35, 31, 32, 0.08), 0 6px 16px rgba(255, 126, 103, 0.12);
  --shadow-tactile: 0 4px 0 #E2DDD4;
  
  --spring-physics: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  
  --nav-height: 74px;
}

[data-theme="dark"] {
  --bg-primary: #181716;
  --bg-secondary: #21201E;
  --bg-tertiary: #2C2A27;
  
  --card-bg: #232220;
  --card-bg-subtle: #1C1B19;
  --border-color: #363431;
  --border-hover: #4B4743;
  
  --text-primary: #F5F2EC;
  --text-secondary: #B8B2A9;
  --text-muted: #7E776F;
  
  --coral-peach: #FF8C78;
  --coral-peach-hover: #FFA291;
  --coral-peach-subtle: rgba(255, 140, 120, 0.16);
  
  --mint-green: #34D399;
  --mint-subtle: rgba(52, 211, 153, 0.2);
  
  --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 18px 45px rgba(0, 0, 0, 0.6), 0 6px 16px rgba(255, 140, 120, 0.15);
  --shadow-tactile: 0 4px 0 #151413;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background-color 0.35s ease, color 0.35s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ================= Header & Sticky Nav ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background-color 0.35s ease, border-color 0.35s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.4px;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--coral-peach);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 126, 103, 0.35);
  transition: transform 0.35s var(--spring-physics);
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.08);
}

.logo-text {
  color: var(--text-primary);
  font-weight: 800;
  white-space: nowrap;
}

/* 导航胶囊外框 - 严禁换行，现代 Notion/Arc 风格 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 3px;
  list-style: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links li {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.nav-links li a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap !important;
  display: inline-block;
  line-height: 1.3;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--text-primary);
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(35, 31, 32, 0.06);
}

/* 推荐资讯特殊微高亮胶囊标签 */
.nav-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--coral-peach-subtle) !important;
  color: var(--coral-peach) !important;
  font-weight: 700 !important;
}

.nav-badge-pill:hover {
  background: var(--coral-peach) !important;
  color: #FFFFFF !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

.nav-actions .btn {
  padding: 9px 20px;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* 质感昼夜模式切换按钮 */
.theme-toggle-btn {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s var(--spring-physics), border-color 0.25s ease, background-color 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  border-color: var(--coral-peach);
  color: var(--coral-peach);
}

.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
  transition: transform 0.4s ease;
}

/* 移动端汉堡按钮 */
.mobile-menu-btn {
  display: none;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-menu-btn .icon-close {
  display: none;
}

.mobile-menu-btn.active .icon-menu {
  display: none;
}

.mobile-menu-btn.active .icon-close {
  display: block;
}

/* 移动端折叠下拉抽屉 */
.mobile-nav-drawer {
  display: none;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px 24px;
}

.mobile-nav-drawer.open {
  display: block;
  animation: fadeIn 0.25s ease;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  display: block;
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.mobile-nav-link:active,
.mobile-nav-link:hover {
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  border-color: var(--coral-peach);
}

.mobile-badge-pill {
  color: var(--coral-peach) !important;
  background: var(--coral-peach-subtle) !important;
}

.theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-moon { display: block; }

/* ================= 按钮体系 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: none;
  transition: all 0.35s var(--spring-physics);
  text-align: center;
}

.btn-primary {
  background: var(--coral-peach);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(255, 126, 103, 0.35);
}

.btn-primary:hover {
  background: var(--coral-peach-hover);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(255, 126, 103, 0.45);
}

.btn-outline {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--coral-peach);
  color: var(--coral-peach);
  background: var(--coral-peach-subtle);
  transform: translateY(-2px) scale(1.02);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* ================= 主视觉区 (Hero Section) ================= */
.hero-section {
  padding: 70px 0 60px;
  text-align: center;
  position: relative;
}

/* 呼吸绿点状态胶囊 */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--spring-physics);
}

.status-pill:hover {
  transform: scale(1.03);
}

.mint-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--mint-green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse-breathing 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-breathing {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -1.2px;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.hero-title .brand-accent {
  color: var(--coral-peach);
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

/* ================= 实时节点看板 (Live Node Board) ================= */
.live-node-board {
  max-width: 980px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 24px 28px;
  box-shadow: var(--shadow-soft);
  text-align: left;
}

.node-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
}

.node-board-title {
  font-size: 0.98rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-board-badge {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--mint-subtle);
  color: var(--mint-green);
  font-weight: 700;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.node-card {
  background: var(--card-bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.3s var(--spring-physics), border-color 0.25s ease;
}

.node-card:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--border-hover);
}

.node-info-flag {
  font-size: 1.35rem;
  margin-right: 10px;
}

.node-meta h5 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.node-meta span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.node-ping {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--mint-green);
  background: var(--card-bg);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
}

/* ================= 区域果冻胶囊切换器 (Jelly Pill Tab Switcher) ================= */
.jelly-tab-section {
  padding: 20px 0 50px;
}

.jelly-switcher-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.jelly-switcher {
  position: relative;
  display: inline-flex;
  background: var(--bg-secondary);
  padding: 6px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
}

.jelly-btn {
  position: relative;
  z-index: 2;
  background: transparent;
  border: none;
  padding: 10px 24px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color 0.25s ease;
}

.jelly-btn.active {
  color: var(--text-primary);
}

.jelly-glider {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 6px;
  background: var(--card-bg);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(35, 31, 32, 0.08);
  border: 1px solid var(--border-color);
  z-index: 1;
  transition: transform 0.45s var(--spring-physics), width 0.35s ease;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.35s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= 弹性物理微动卡片 (Bouncy Spring Bento Grid) ================= */
.section {
  padding: 70px 0;
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 46px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--coral-peach);
  letter-spacing: 1.2px;
  margin-bottom: 10px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.6px;
  margin-bottom: 12px;
}

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

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

/* 核心 Spring 弹簧物理交互卡片 */
.spring-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s var(--spring-physics), box-shadow 0.45s ease, border-color 0.3s ease;
  cursor: default;
  display: flex;
  flex-direction: column;
}

.spring-card:hover {
  transform: scale(1.025) translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--coral-peach);
}

.spring-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: transform 0.4s var(--spring-physics);
}

.spring-card:hover .spring-icon-box {
  transform: rotate(-10deg) scale(1.1);
}

.spring-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.spring-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.spring-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 14px;
  background: var(--card-bg-subtle);
  border: 1px solid var(--border-color);
  font-weight: 800;
}

.spring-metric .number {
  font-size: 1.5rem;
  color: var(--coral-peach);
}

.spring-metric .unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ================= 触觉流量滑块与套餐对比表 ================= */
.pricing-section {
  padding: 80px 0;
}

.traffic-slider-container {
  max-width: 760px;
  margin: 0 auto 50px;
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 36px 40px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.traffic-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.traffic-label {
  font-size: 1.1rem;
  font-weight: 800;
}

.traffic-current-value {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-weight: 900;
  font-size: 1.35rem;
}

/* 圆润加厚触觉滑块 (Tactile Slider) */
.tactile-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  outline: none;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.tactile-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--coral-peach);
  cursor: grab;
  box-shadow: 0 4px 12px rgba(255, 126, 103, 0.45);
  border: 4px solid #FFFFFF;
  transition: transform 0.2s var(--spring-physics), background 0.2s ease;
}

.tactile-slider::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

.tactile-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.25);
}

.traffic-steps {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 价格滚动展示区 */
.slider-result-box {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.price-rolling-display {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 800;
}

.price-symbol {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.price-animated-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--coral-peach);
  display: inline-block;
  transition: transform 0.3s var(--spring-physics);
}

.price-unit {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* 真实套餐卡片三列对比网格 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.pricing-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s var(--spring-physics), box-shadow 0.45s ease, border-color 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px) scale(1.015);
  box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
  border-color: var(--coral-peach);
  box-shadow: 0 14px 40px rgba(255, 126, 103, 0.16);
}

.featured-pill {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--coral-peach);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(255, 126, 103, 0.35);
  letter-spacing: 0.5px;
}

.pricing-plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.plan-price-wrap .symbol {
  font-size: 1.4rem;
  font-weight: 800;
}

.plan-price-wrap .price {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
}

.plan-price-wrap .cycle {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-features-list {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-color);
}

.plan-features-list li:last-child {
  border-bottom: none;
}

.check-svg {
  color: var(--mint-green);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* ================= 流媒体 & AI 图文卡片 ================= */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.showcase-tactile-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 40px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s var(--spring-physics), box-shadow 0.45s ease;
  display: flex;
  flex-direction: column;
}

.showcase-tactile-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.showcase-pill {
  align-self: flex-start;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.showcase-tactile-card h3 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}

.showcase-tactile-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.68;
  margin-bottom: 24px;
  flex-grow: 1;
}

.pill-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 28px;
}

.service-tag {
  background: var(--card-bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 7px 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.25s var(--spring-physics);
}

.service-tag:hover {
  transform: scale(1.05);
  border-color: var(--coral-peach);
}

/* ================= 用户评价 (Testimonials) ================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 32px 26px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.4s var(--spring-physics);
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

.stars-row {
  color: #F59E0B;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-quote {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 22px;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.author-meta h4 {
  font-size: 0.95rem;
  font-weight: 800;
}

.author-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ================= 常见问题 (FAQ) ================= */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-tactile-item {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-tactile-item.active {
  border-color: var(--coral-peach);
  box-shadow: var(--shadow-soft);
}

.faq-trigger {
  padding: 22px 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 800;
  font-size: 1.05rem;
  user-select: none;
}

.faq-trigger:hover {
  color: var(--coral-peach);
}

.faq-arrow {
  width: 20px;
  height: 20px;
  transition: transform 0.35s var(--spring-physics);
  color: var(--text-muted);
}

.faq-tactile-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--coral-peach);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 26px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-tactile-item.active .faq-content {
  max-height: 240px;
  padding: 0 26px 22px;
}

/* ================= 页脚 (Strictly 4 Links) ================= */
.footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 50px 0 36px;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  list-style: none;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
}

.footer-nav a:hover {
  color: var(--coral-peach);
  background: var(--coral-peach-subtle);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ================= 辅助资讯及文档页面通用样式 ================= */
.news-header {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.news-header h1 {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.news-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.article-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  padding: 60px 0 80px;
}

.article-tactile-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 34px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--spring-physics), box-shadow 0.4s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

.article-tactile-card:hover {
  transform: translateY(-5px);
  border-color: var(--coral-peach);
  box-shadow: var(--shadow-hover);
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.article-badge {
  padding: 3px 10px;
  background: var(--coral-peach-subtle);
  color: var(--coral-peach);
  border-radius: var(--radius-pill);
  font-weight: 800;
}

.article-tactile-card h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-tactile-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 20px;
}

/* ================= 辅助文档页面 (About, Terms, Privacy, Sitemap) ================= */
.page-header {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.page-header h1 {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.page-content {
  padding: 60px 0 80px;
  max-width: 880px;
  margin: 0 auto;
}

.doc-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 40px;
  box-shadow: var(--shadow-soft);
  margin-bottom: 30px;
  transition: transform 0.4s var(--spring-physics), box-shadow 0.4s ease;
}

.doc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.doc-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-card h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: var(--coral-peach);
  border-radius: var(--radius-pill);
}

.doc-card p, .doc-card ul {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.doc-card ul {
  padding-left: 20px;
}

.doc-card li {
  margin-bottom: 8px;
}

.alert-box {
  padding: 16px 22px;
  border-radius: 16px;
  margin: 20px 0;
  font-size: 0.95rem;
  line-height: 1.65;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #EF4444;
}

.alert-success {
  background: var(--mint-subtle);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--mint-green);
}

/* ================= 深度长文与 SEO 页面专用排版 ================= */
.post-layout {
  padding: 40px 0 80px;
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a:hover {
  color: var(--coral-peach);
}

.post-header-box {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 28px;
}

.post-title {
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.6px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* 目录卡片 (Table of Contents) */
.post-toc {
  background: var(--card-bg-subtle);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-container);
  padding: 24px 28px;
  margin-bottom: 40px;
}

.toc-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list li a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-block;
  padding: 4px 0;
  transition: all 0.2s ease;
}

.toc-list li a:hover {
  color: var(--coral-peach);
  transform: translateX(4px);
}

/* 正文深度排版 */
.post-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-body h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 44px 0 18px;
  letter-spacing: -0.4px;
  padding-bottom: 10px;
  border-bottom: 1.5px solid var(--border-color);
}

.post-body h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 30px 0 14px;
}

.post-body p {
  margin-bottom: 20px;
}

.post-body ul, .post-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
}

.post-body li {
  margin-bottom: 10px;
}

.post-body strong {
  color: var(--text-primary);
  font-weight: 700;
}

.post-body a {
  color: var(--coral-peach);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.post-body a:hover {
  opacity: 0.85;
}

.post-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
}

.post-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.post-table th, .post-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.post-table th {
  background: var(--card-bg-subtle);
  font-weight: 800;
  color: var(--text-primary);
}

.post-callout {
  background: var(--card-bg);
  border-left: 4px solid var(--coral-peach);
  border-radius: 0 16px 16px 0;
  padding: 20px 24px;
  margin: 28px 0;
  box-shadow: var(--shadow-soft);
}

.post-callout p {
  margin: 0;
}

/* 文章内置 FAQ */
.post-faq-section {
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid var(--border-color);
}

/* 相关阅读网格 */
.related-posts-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.35s var(--spring-physics), border-color 0.25s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--coral-peach);
}

.related-card h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.45;
}

.related-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.related-card span {
  font-size: 0.8rem;
  color: var(--coral-peach);
  font-weight: 700;
}

/* ================= 移动端响应式适配 (@media) ================= */
@media (max-width: 1080px) {
  .nav-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .features-bento-grid,
  .pricing-grid,
  .testimonials-grid,
  .node-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 16px;
  }
  
  .hero-section {
    padding: 40px 0 30px;
  }
  
  .hero-title {
    font-size: 2.1rem;
    letter-spacing: -0.5px;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-intro {
    font-size: 0.95rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    min-height: 50px;
    font-size: 1rem;
  }
  
  .node-grid,
  .features-bento-grid,
  .showcase-grid,
  .pricing-grid,
  .testimonials-grid,
  .article-list-grid {
    grid-template-columns: 1fr;
  }
  
  .traffic-slider-container {
    padding: 24px 20px;
  }
  
  .slider-result-box {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
}