/* ===================================================================
   狗狗加速 GouGouJiaSu - 【风格 02 · 奶油柴犬】原生极简样式表
   暖奶油底 #FFF4E3 | 主色暖橘 #FF8B3E | 文字深可可棕 #3D2B1F
   圆润胖体字 ZCOOL QingKe HuangYou | 卡片大圆角厚投影
   =================================================================== */

:root {
  --bg-main: #FFF4E3;
  --bg-cream-soft: #FFF9F0;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFDF9;
  --bg-card-popular: #FFFFFF;
  --bg-glass: rgba(255, 244, 227, 0.92);

  --primary: #FF8B3E;
  --primary-hover: #F27928;
  --primary-light: #FFE8D6;
  --primary-gradient: linear-gradient(135deg, #FF8B3E 0%, #FF6F22 100%);

  --accent-gold: #FFA000;
  --accent-gold-gradient: linear-gradient(135deg, #FFA000 0%, #FF8F00 100%);
  --accent-cyan: #0284c7;
  --accent-green: #16a34a;

  --text-main: #3D2B1F;
  --text-muted: #7A6252;
  --text-sub: #A48D7D;
  --border-color: rgba(61, 43, 31, 0.08);
  --border-orange: rgba(255, 139, 62, 0.35);
  --border-focus: rgba(255, 139, 62, 0.5);

  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 14px rgba(61, 43, 31, 0.05);
  --shadow-md: 0 12px 30px rgba(61, 43, 31, 0.08);
  --shadow-lg: 0 20px 48px rgba(61, 43, 31, 0.12);
  --shadow-glow: 0 0 28px rgba(255, 139, 62, 0.28);
  --shadow-btn: 0 8px 24px rgba(255, 139, 62, 0.38), 0 4px 8px rgba(255, 139, 62, 0.2);
  --shadow-btn-hover: 0 12px 28px rgba(255, 139, 62, 0.48), 0 6px 12px rgba(255, 139, 62, 0.25);

  --font-chubby: 'ZCOOL QingKe HuangYou', 'Fredoka', 'Nunito', -apple-system, sans-serif;
  --font-sans: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-main);
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  background-color: var(--bg-main);
  color: var(--text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

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

/* 无障碍“跳转到主要内容”链接样式 */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 20px;
  background: var(--primary);
  color: #FFFFFF !important;
  padding: 12px 24px;
  font-weight: 800;
  border-radius: var(--radius-full);
  z-index: 9999;
  box-shadow: var(--shadow-btn);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 20px;
  outline: 3px solid #3D2B1F;
}

/* 键盘可访问性焦点轮廓 */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

/* 锚点防固定页眉遮挡 */
section[id], .section-padding[id], #features, #support, #pricing, #reviews, #faq {
  scroll-margin-top: 88px;
}

img, svg {
  vertical-align: middle;
}

/* 容器布局 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.narrow-container {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================================================================
   背景漂浮动效系统（纯 CSS 实现，全部 pointer-events: none）
   1. 4 朵半透明奶油云以 38–60s 周期从左向右横移，负延迟错峰铺满全屏
   2. 6 枚淡橘爪印与骨头以 13–21s 周期自底部上浮，全程 ±9° 左右轻摆
   =================================================================== */
.bg-animation-container {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.cream-cloud {
  position: absolute;
  fill: rgba(255, 255, 255, 0.75);
  filter: drop-shadow(0 8px 18px rgba(255, 225, 190, 0.35));
  animation: cloud-drift linear infinite;
}

.cloud-1 {
  top: 6%;
  left: -220px;
  width: 210px;
  animation-duration: 42s;
  animation-delay: -14s;
}

.cloud-2 {
  top: 25%;
  left: -260px;
  width: 250px;
  opacity: 0.65;
  animation-duration: 54s;
  animation-delay: -32s;
}

.cloud-3 {
  top: 65%;
  left: -180px;
  width: 190px;
  opacity: 0.8;
  animation-duration: 38s;
  animation-delay: -8s;
}

.cloud-4 {
  top: 85%;
  left: -300px;
  width: 280px;
  opacity: 0.55;
  animation-duration: 60s;
  animation-delay: -45s;
}

@keyframes cloud-drift {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(100vw + 340px));
  }
}

.floating-particle {
  position: absolute;
  bottom: -60px;
  opacity: 0;
  animation: particle-float-up ease-in-out infinite;
}

.particle-paw {
  fill: rgba(255, 139, 62, 0.2);
}

.particle-bone {
  fill: rgba(255, 175, 115, 0.24);
}

.p-1 { left: 8%; width: 34px; animation-duration: 15s; animation-delay: -2s; }
.p-2 { left: 24%; width: 28px; animation-duration: 18s; animation-delay: -8s; }
.p-3 { left: 45%; width: 36px; animation-duration: 14s; animation-delay: -11s; }
.p-4 { left: 63%; width: 30px; animation-duration: 20s; animation-delay: -5s; }
.p-5 { left: 78%; width: 35px; animation-duration: 16s; animation-delay: -13s; }
.p-6 { left: 91%; width: 26px; animation-duration: 21s; animation-delay: -3s; }

@keyframes particle-float-up {
  0% {
    transform: translateY(0) rotate(-9deg);
    opacity: 0;
  }
  15% {
    opacity: 0.8;
  }
  50% {
    transform: translateY(-50vh) rotate(9deg);
    opacity: 0.85;
  }
  85% {
    opacity: 0.7;
  }
  100% {
    transform: translateY(-115vh) rotate(-9deg);
    opacity: 0;
  }
}

/* ===================================================================
   顶部导航栏 (Navbar)
   =================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid rgba(255, 217, 184, 0.6);
  padding: 16px 0;
  box-shadow: 0 4px 20px rgba(61, 43, 31, 0.04);
}

.navbar .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-chubby);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.3px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  fill: var(--primary);
  filter: drop-shadow(0 3px 8px rgba(255, 139, 62, 0.3));
}

.brand-tag {
  background: var(--primary-light);
  color: var(--primary);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 0.96rem;
  color: var(--text-muted);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-full);
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.7);
}

/* 按钮通用组件规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  min-height: 48px;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  transition: var(--transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-btn);
  border-color: #FFA666;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-btn-hover);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-gold {
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-weight: 800;
  box-shadow: var(--shadow-btn);
  border-color: #FFA666;
}

.btn-gold:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-btn-hover);
  color: #FFFFFF;
}

.btn-outline {
  background: #FFFFFF;
  border: 2.5px solid #EED4BF;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: #FFFDF9;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
  min-height: 40px;
}

.btn-block {
  width: 100%;
}

/* ===================================================================
   首屏核心排版结构 (Hero Section)
   固定左右两栏（移动端单栏）：
   左栏：eyebrow -> 大标题+动效徽章 -> 副标题 -> 2按钮 -> 3列数据
   右栏：圆滚滚黏土柴犬 SVG 主视觉
   =================================================================== */
.hero-wrapper {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 30px 24px 60px;
}

.hero-grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Eyebrow 小字 */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 2px solid #FFD9B8;
  border-radius: var(--radius-full);
  padding: 6px 18px 6px 14px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(255, 139, 62, 0.12);
  margin-bottom: 22px;
}

.eyebrow-bone-icon {
  width: 18px;
  height: 18px;
  fill: var(--primary);
}

/* 大标题：圆润胖体字 */
.hero-headline {
  font-family: var(--font-chubby);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.hero-brand-name {
  display: block;
  font-size: 3.4rem;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.hero-slogan-wrap {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 2.7rem;
  line-height: 1.2;
}

.highlight-orange {
  color: var(--primary);
}

/* 标题行内右侧内联动效徽章 */
.paw-bounce-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 58px;
  height: 58px;
  background: #FFFFFF;
  border-radius: var(--radius-full);
  border: 2.5px solid #FFD5B2;
  box-shadow: 0 6px 18px rgba(255, 139, 62, 0.22);
  margin-left: 6px;
  vertical-align: middle;
}

/* 橘色爪印持续弹跳（落地压扁回弹） */
.bouncing-paw {
  width: 32px;
  height: 32px;
  fill: var(--primary);
  animation: paw-squash-bounce 1.4s cubic-bezier(0.28, 0.84, 0.42, 1) infinite;
  transform-origin: 50% 90%;
}

@keyframes paw-squash-bounce {
  0%, 100% {
    transform: translateY(0) scale(1, 1);
  }
  30% {
    transform: translateY(-16px) scale(0.92, 1.12);
  }
  50% {
    transform: translateY(0) scale(1.22, 0.78);
  }
  65% {
    transform: translateY(-6px) scale(0.98, 1.05);
  }
  80% {
    transform: translateY(0) scale(1.05, 0.95);
  }
}

/* 右上一颗小爱心周期性放大后消失 */
.badge-pop-heart {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  fill: #FF5A5F;
  animation: badge-heart-pop 2.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  pointer-events: none;
}

@keyframes badge-heart-pop {
  0% {
    transform: scale(0) translate(0, 0);
    opacity: 0;
  }
  35% {
    transform: scale(1.25) translate(2px, -4px);
    opacity: 1;
  }
  70% {
    transform: scale(1.1) translate(4px, -12px);
    opacity: 0.85;
  }
  100% {
    transform: scale(0) translate(6px, -20px);
    opacity: 0;
  }
}

/* 口语化副标题 */
.hero-subtitle {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 34px;
  font-weight: 600;
}

/* 按钮组 */
.hero-btn-group {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.btn-dogo-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--primary);
  color: #FFFFFF;
  font-family: var(--font-chubby);
  font-size: 1.35rem;
  letter-spacing: 0.5px;
  padding: 14px 38px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-btn);
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 3px solid #FFA666;
  cursor: pointer;
  user-select: none;
}

.btn-dogo-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-btn-hover);
  color: #FFFFFF;
}

.btn-dogo-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-dogo-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #FFFFFF;
  color: var(--text-main);
  font-family: var(--font-chubby);
  font-size: 1.25rem;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: 2.5px solid #EED4BF;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-dogo-outline:hover {
  background: #FFFDF9;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* 三列数据卡片 */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 580px;
}

.stat-pill-card {
  background: var(--bg-card);
  border: 2px solid #FFE9D6;
  border-radius: 22px;
  padding: 16px 14px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}

.stat-pill-card:hover {
  transform: translateY(-3px);
  border-color: #FFCFA6;
}

.stat-value-text {
  font-family: var(--font-chubby);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label-text {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: -0.2px;
}

/* ===================================================================
   右栏：柴犬主视觉舞台与常驻动画
   =================================================================== */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.shiba-stage {
  position: relative;
  width: 100%;
  max-width: 490px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shiba-back-glow {
  position: absolute;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #FFE4C2 0%, rgba(255, 244, 227, 0) 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

/* ① 犬身整体浮动 + 轻摆 ±2.4° (2.2s 周期) */
.dog-body-bob-group {
  animation: dog-body-bob 2.2s ease-in-out infinite;
  transform-origin: 50% 85%;
}

@keyframes dog-body-bob {
  0%, 100% {
    transform: translateY(0px) rotate(-2.4deg);
  }
  50% {
    transform: translateY(-14px) rotate(2.4deg);
  }
}

/* ② 卷尾快速摇摆 0.55s 周期 */
.dog-tail-wag {
  animation: dog-tail-wag-kf 0.55s ease-in-out infinite alternate;
  transform-origin: 360px 335px;
}

@keyframes dog-tail-wag-kf {
  0% { transform: rotate(-18deg); }
  100% { transform: rotate(25deg); }
}

/* ③ 左右耳交替抖动 (左耳 2.2s, 右耳 2.6s) */
.dog-left-ear {
  animation: left-ear-twitch 2.2s ease-in-out infinite;
  transform-origin: 172px 175px;
}

@keyframes left-ear-twitch {
  0%, 80%, 100% { transform: rotate(0deg); }
  84% { transform: rotate(-10deg); }
  88% { transform: rotate(6deg); }
  92% { transform: rotate(-4deg); }
  96% { transform: rotate(0deg); }
}

.dog-right-ear {
  animation: right-ear-twitch 2.6s ease-in-out infinite;
  transform-origin: 326px 175px;
}

@keyframes right-ear-twitch {
  0%, 75%, 100% { transform: rotate(0deg); }
  80% { transform: rotate(10deg); }
  85% { transform: rotate(-6deg); }
  90% { transform: rotate(4deg); }
  95% { transform: rotate(0deg); }
}

/* ④ 双眼每 3.5s 同步眨眼一次 */
.dog-eyes-blink {
  animation: dog-eyes-blink-kf 3.5s ease-in-out infinite;
  transform-origin: 50% 250px;
}

@keyframes dog-eyes-blink-kf {
  0%, 93%, 100% { transform: scaleY(1); }
  96% { transform: scaleY(0.08); }
}

/* ⑤ 头顶上方骨头 1.6s 周期跷跷板摆动 */
.overhead-seesaw-bone {
  animation: overhead-bone-seesaw 1.6s ease-in-out infinite alternate;
  transform-origin: 248px 85px;
}

@keyframes overhead-bone-seesaw {
  0% { transform: translateY(0) rotate(-14deg); }
  100% { transform: translateY(-8px) rotate(14deg); }
}

/* ⑥ 犬身左侧爱心每 2.2s 弹出放大后消失 */
.floating-love-heart {
  animation: floating-heart-pop 2.2s cubic-bezier(0.2, 0.8, 0.4, 1) infinite;
  transform-origin: 105px 260px;
}

@keyframes floating-heart-pop {
  0% { opacity: 0; transform: scale(0.2) translate(0, 0); }
  25% { opacity: 1; transform: scale(1.15) translate(-12px, -18px); }
  65% { opacity: 0.85; transform: scale(1) translate(-22px, -42px); }
  100% { opacity: 0; transform: scale(1.35) translate(-32px, -68px); }
}

/* ⑦ 三颗橘色小星星错峰闪烁 */
.sparkle-star-1 {
  animation: sparkle-anim 1.8s ease-in-out infinite;
  animation-delay: 0s;
  transform-origin: 100px 140px;
}

.sparkle-star-2 {
  animation: sparkle-anim 2.3s ease-in-out infinite;
  animation-delay: 0.75s;
  transform-origin: 395px 165px;
}

.sparkle-star-3 {
  animation: sparkle-anim 1.9s ease-in-out infinite;
  animation-delay: 1.4s;
  transform-origin: 380px 320px;
}

@keyframes sparkle-anim {
  0%, 100% { transform: scale(0.35) rotate(0deg); opacity: 0.2; }
  50% { transform: scale(1.22) rotate(45deg); opacity: 1; }
}

/* ⑧ 角落的骨头与爪印缓慢上下漂浮 */
.corner-float-item-1 {
  animation: slow-corner-float 3.2s ease-in-out infinite alternate;
  transform-origin: 75px 380px;
}

.corner-float-item-2 {
  animation: slow-corner-float 3.8s ease-in-out infinite alternate-reverse;
  transform-origin: 410px 380px;
}

@keyframes slow-corner-float {
  0% { transform: translateY(0px) rotate(-6deg); }
  100% { transform: translateY(-16px) rotate(8deg); }
}

/* 柴犬身体地面柔和阴影 */
.dog-ground-shadow {
  animation: shadow-scale 2.2s ease-in-out infinite;
  transform-origin: 248px 432px;
}

@keyframes shadow-scale {
  0%, 100% { transform: scale(0.92); opacity: 0.35; }
  50% { transform: scale(1.08); opacity: 0.22; }
}

/* ===================================================================
   服务简介模块 (Hero Intro Box)
   =================================================================== */
.hero-intro-box {
  max-width: 100%;
  margin: 40px auto 0;
  background: #FFFFFF;
  border: 2px solid #FFE6D0;
  border-radius: var(--radius-lg);
  padding: 26px 32px;
  text-align: left;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

.hero-intro-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-chubby);
}

.hero-intro-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.78;
}

/* ===================================================================
   章节通用标题 (Section Header)
   =================================================================== */
.section-padding {
  padding: 70px 0;
  position: relative;
  z-index: 5;
}

.section-header {
  text-align: center;
  margin-bottom: 46px;
}

.section-tag {
  color: var(--primary);
  background: var(--primary-light);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-chubby);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===================================================================
   核心优势卡片 (Core Advantages - 3 Cards)
   =================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: #FFCFA6;
  box-shadow: var(--shadow-lg);
}

.feature-icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.icon-blue {
  background: #FFF0E6;
  color: var(--primary);
  border: 2px solid #FFD9B8;
}

.icon-gold {
  background: #FFF8E1;
  color: #FFA000;
  border: 2px solid #FFE082;
}

.icon-cyan {
  background: #E1F5FE;
  color: #0288D1;
  border: 2px solid #B3E5FC;
}

.feature-icon-wrapper svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.feature-title {
  font-family: var(--font-chubby);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.68;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: auto;
  border-top: 2px solid #FFF0E3;
  padding-top: 18px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.feature-list li svg {
  width: 18px;
  height: 18px;
  fill: #16a34a;
  flex-shrink: 0;
}

/* ===================================================================
   流媒体与 AI 支持图卡
   =================================================================== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.support-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.support-card:hover {
  transform: translateY(-4px);
  border-color: #FFCFA6;
  box-shadow: var(--shadow-lg);
}

.support-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.support-badge-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  border: 2px solid #FFD9B8;
}

.support-badge-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.support-card-title {
  font-family: var(--font-chubby);
  font-size: 1.48rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.support-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.support-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.support-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.support-pill svg {
  width: 12px;
  height: 12px;
  fill: var(--primary);
}

.support-meta-note {
  margin-top: 22px;
  padding: 12px 16px;
  background: #F0FDF4;
  border: 1.5px solid #BBF7D0;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  color: #15803d;
  display: flex;
  align-items: center;
  gap: 8px;
}

.support-meta-note svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ===================================================================
   价格对比表 (Pricing Comparison Table)
   =================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: #FFCFA6;
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border: 3px solid var(--primary);
  box-shadow: 0 16px 40px rgba(255, 139, 62, 0.22);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-5px);
}

.popular-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(255, 139, 62, 0.4);
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-chubby);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  min-height: 42px;
}

.plan-price {
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 2px solid #FFF0E3;
}

.price-currency {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  vertical-align: top;
  margin-right: 2px;
}

.price-amount {
  font-family: var(--font-chubby);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.price-period {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-left: 4px;
}

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

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.5;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  fill: #16a34a;
  flex-shrink: 0;
  margin-top: 2px;
}

.plan-features li.disabled {
  color: var(--text-sub);
  text-decoration: line-through;
}

.plan-features li.disabled svg {
  fill: var(--text-sub);
}

/* ===================================================================
   用户评价 (User Reviews)
   =================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.review-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: #FFCFA6;
  box-shadow: var(--shadow-lg);
}

.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
  color: #FFA000;
}

.review-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.review-text {
  font-size: 0.96rem;
  color: var(--text-main);
  line-height: 1.68;
  margin-bottom: 20px;
  flex-grow: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 2px solid #FFF0E3;
  padding-top: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-chubby);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
  border: 2px solid #FFD9B8;
}

.author-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
}

.author-role {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ===================================================================
   常见问题解答 (FAQ 6个问题)
   =================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
}

details.faq-item {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

details.faq-item:hover {
  border-color: #FFCFA6;
}

details.faq-item[open] {
  border-color: var(--primary);
  background: #FFFDF9;
}

summary.faq-question {
  padding: 20px 24px;
  font-family: var(--font-chubby);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

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

.faq-chevron {
  width: 22px;
  height: 22px;
  fill: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

details.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  fill: var(--primary);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.74;
  border-top: 2px solid #FFF0E3;
  padding-top: 14px;
}

/* 底部 CTA 条 */
.bottom-cta-banner {
  margin-top: 70px;
  background: linear-gradient(135deg, #FF8B3E 0%, #FF6F22 100%);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  color: #FFFFFF;
  box-shadow: 0 16px 40px rgba(255, 139, 62, 0.35);
}

.bottom-cta-banner h3 {
  font-family: var(--font-chubby);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.bottom-cta-banner p {
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 28px;
  opacity: 0.95;
}

.bottom-cta-banner .btn-gold {
  background: #FFFFFF;
  color: var(--primary);
  border-color: #FFFFFF;
  font-size: 1.15rem;
  padding: 14px 40px;
}

.bottom-cta-banner .btn-gold:hover {
  background: #FFF8F0;
  color: var(--primary-hover);
}

/* ===================================================================
   页脚规范：严格只保留四个标题
   =================================================================== */
.footer {
  border-top: 2px solid #FFE9D6;
  background: #FFF4E3;
  padding: 44px 0 36px;
  margin-top: 80px;
  position: relative;
  z-index: 10;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  list-style: none;
  margin-bottom: 22px;
}

.footer-nav a {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.8);
}

.footer-copyright {
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
}

/* ===================================================================
   SEO 知识科普 3x3 板块网格排版样式
   =================================================================== */
.knowledge-grid-3x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
  position: relative;
  z-index: 10;
}

.knowledge-block-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-md);
}

.knowledge-block-card:hover {
  background: #FFFDF9;
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.knowledge-block-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.block-num-badge {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid #FFD9B8;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.block-category-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: #FFA000;
  background: #FFF8E1;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
}

.knowledge-block-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.knowledge-block-icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.knowledge-block-title {
  font-family: var(--font-chubby);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.38;
  margin-bottom: 12px;
  min-height: 52px;
}

.knowledge-block-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.62;
  margin-bottom: 20px;
  flex-grow: 1;
}

.knowledge-block-footer {
  border-top: 2px solid #FFF0E3;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.block-wordcount {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-sub);
}

.block-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--primary);
  transition: var(--transition);
}

.knowledge-block-card:hover .block-read-btn {
  transform: translateX(4px);
}

/* 面包屑导航 */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 24px;
  position: relative;
  z-index: 10;
}

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

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

.breadcrumb-separator {
  color: var(--text-sub);
}

/* 文章目录卡片 */
.article-toc-box {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-bottom: 44px;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

.article-toc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid #FFF0E3;
  padding-bottom: 14px;
}

.article-toc-header h2 {
  font-family: var(--font-chubby);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.article-toc-header span {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-toc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 18px;
  list-style: none;
}

.article-toc-item a {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.92rem;
  line-height: 1.45;
  transition: var(--transition);
}

.article-toc-item a:hover {
  background: #FFFFFF;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(4px);
}

.article-toc-badge {
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* 单篇 SEO 文章独立卡片容器 */
.seo-article-card {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

.seo-article-header {
  margin-bottom: 28px;
  border-bottom: 2px solid #FFF0E3;
  padding-bottom: 20px;
}

.seo-article-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.seo-article-title {
  font-family: var(--font-chubby);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 12px;
}

.seo-article-body {
  font-size: 1.02rem;
  color: var(--text-main);
  line-height: 1.8;
}

.seo-article-body p {
  margin-bottom: 18px;
}

.seo-article-body h3 {
  font-family: var(--font-chubby);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 28px 0 14px;
}

.seo-article-body ul, .seo-article-body ol {
  padding-left: 24px;
  margin-bottom: 18px;
}

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

/* 文章内的专属内链与外链按钮 */
.seo-internal-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.seo-internal-link:hover {
  color: var(--primary-hover);
}

.article-action-box {
  background: #FFF9F2;
  border: 2px solid #FFE5D0;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.article-action-box h4 {
  font-family: var(--font-chubby);
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 6px;
}

.article-action-box p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 9篇文章专属 FAQ 样式 */
.article-faq-container {
  margin-top: 36px;
  border-top: 2px solid #FFF0E3;
  padding-top: 28px;
}

.article-faq-heading {
  font-family: var(--font-chubby);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-faq-item {
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-faq-item[open] {
  border-color: var(--primary);
  background: #FFFFFF;
}

.article-faq-q {
  padding: 14px 18px;
  font-family: var(--font-chubby);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-faq-q::-webkit-details-marker {
  display: none;
}

.article-faq-q svg {
  width: 18px;
  height: 18px;
  fill: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 10px;
}

.article-faq-item[open] .article-faq-q svg {
  transform: rotate(180deg);
  fill: var(--primary);
}

.article-faq-a {
  padding: 0 18px 16px;
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1.5px solid #FFF0E3;
  padding-top: 12px;
}

/* 延伸阅读 / 内链网格组件 */
.related-articles-box {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 36px;
}

.related-articles-title {
  font-family: var(--font-chubby);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 16px;
  list-style: none;
}

.related-article-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
}

.related-article-link:hover {
  background: #FFFFFF;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(4px);
}

/* 文档页面独立样式 (About, Terms, Privacy, Sitemap) */
.page-header {
  padding: 50px 0 36px;
  text-align: center;
  border-bottom: 2px solid #FFE9D6;
  margin-bottom: 40px;
  position: relative;
  z-index: 10;
}

.page-title {
  font-family: var(--font-chubby);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.doc-content {
  background: #FFFFFF;
  border: 2px solid #FFE9D6;
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
  margin-bottom: 60px;
  position: relative;
  z-index: 10;
}

.doc-section {
  margin-bottom: 36px;
}

.doc-section:last-child {
  margin-bottom: 0;
}

.doc-section h2 {
  font-family: var(--font-chubby);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-section h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: var(--primary);
  border-radius: 3px;
}

.doc-section p {
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 12px;
}

.doc-section ul {
  padding-left: 22px;
  color: var(--text-main);
  margin-bottom: 14px;
}

.doc-section ul li {
  margin-bottom: 8px;
  line-height: 1.65;
}

.highlight-box {
  background: #FFF9F2;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 18px 0;
}

.highlight-box.warning {
  background: #FEF2F2;
  border-left-color: #EF4444;
}

.highlight-box.success {
  background: #F0FDF4;
  border-left-color: #10B981;
}

.highlight-box p {
  margin-bottom: 0;
}

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

.sitemap-block {
  background: #FFF9F2;
  border: 1.5px solid #FFE5D0;
  border-radius: var(--radius-md);
  padding: 24px;
}

.sitemap-block h3 {
  font-family: var(--font-chubby);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  border-bottom: 2px solid #FFE5D0;
  padding-bottom: 10px;
}

.sitemap-links {
  list-style: none;
}

.sitemap-links li {
  margin-bottom: 10px;
}

.sitemap-links a {
  color: var(--primary);
  font-size: 0.96rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sitemap-links a:hover {
  text-decoration: underline;
  color: var(--primary-hover);
}

.sitemap-hub-card {
  background: #FFFFFF;
  border: 1.5px solid #FFD9B3;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 4px 12px rgba(61, 43, 31, 0.04);
}

.sitemap-article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  list-style: none;
}

@media (max-width: 768px) {
  .sitemap-hub-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .sitemap-article-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   响应式媒体查询 (@media) - 确保手机端单栏完美呈现，按钮适合手指点击
   =================================================================== */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 2.9rem;
  }
  .hero-grid {
    gap: 32px;
  }
  .shiba-stage {
    max-width: 420px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .knowledge-grid-3x3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.popular {
    transform: none;
  }
  .pricing-card.popular:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 14px 18px;
  }
  .navbar .nav-links {
    display: none;
  }
  .hero-wrapper {
    padding: 16px 20px 48px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-left {
    order: 1;
    align-items: center;
    text-align: center;
  }
  .hero-headline {
    align-items: center;
    text-align: center;
  }
  .hero-brand-name {
    font-size: 2.2rem;
  }
  .hero-slogan-wrap {
    font-size: 1.8rem;
    justify-content: center;
  }
  .hero-subtitle {
    font-size: 1.05rem;
    margin: 0 auto 28px;
  }
  .hero-btn-group {
    justify-content: center;
    width: 100%;
  }
  .btn-dogo-primary, .btn-dogo-outline {
    width: 100%;
    min-height: 52px;
    font-size: 1.25rem;
  }
  .hero-stats-row {
    max-width: 100%;
    gap: 10px;
  }
  .stat-pill-card {
    padding: 12px 8px;
  }
  .stat-value-text {
    font-size: 1.5rem;
  }
  .hero-right {
    order: 2;
    margin-top: 10px;
  }
  .shiba-stage {
    max-width: 340px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .knowledge-grid-3x3 {
    grid-template-columns: 1fr;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  .doc-content {
    padding: 24px 18px;
  }
  .sitemap-grid {
    grid-template-columns: 1fr;
  }
  .article-toc-grid {
    grid-template-columns: 1fr;
  }
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
  .seo-article-card {
    padding: 24px 18px;
  }
  .seo-article-title {
    font-size: 1.45rem;
  }
  .article-action-box {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-brand-name {
    font-size: 1.85rem;
  }
  .hero-slogan-wrap {
    font-size: 1.45rem;
  }
  .paw-bounce-badge {
    width: 46px;
    height: 46px;
  }
  .bouncing-paw {
    width: 24px;
    height: 24px;
  }
  .hero-stats-row {
    grid-template-columns: 1fr;
  }
  .pricing-card {
    padding: 28px 20px;
  }
  .popular-ribbon {
    font-size: 0.74rem;
    padding: 3px 12px;
  }
}

/* ===================================================================
   无障碍：遵循用户的减少动效偏好 (prefers-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;
  }
  .bg-animation-container,
  .dog-body-bob-group,
  .dog-tail-wag,
  .dog-left-ear,
  .dog-right-ear,
  .dog-eyes-blink,
  .overhead-seesaw-bone,
  .floating-love-heart,
  .sparkle-star-1,
  .sparkle-star-2,
  .sparkle-star-3,
  .corner-float-item-1,
  .corner-float-item-2,
  .bouncing-paw,
  .badge-pop-heart,
  .cream-cloud,
  .floating-particle {
    animation: none !important;
  }
}