/**
 * MiniDev — 小程序SaaS开发平台 样式系统
 * 科技蓝(#0A6BFF) + 纯白 + 深灰 + 亮青点缀
 * 大留白 · 大圆角 · 毛玻璃 · SaaS产品风格
 * 纯原生 CSS，无框架依赖 | FA6 + Swiper + AOS
 */

/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 品牌色 */
  --primary: #0A6BFF;
  --primary-hover: #0052CC;
  --primary-light: rgba(10, 107, 255, 0.06);
  --primary-dim: rgba(10, 107, 255, 0.12);
  --primary-glow: rgba(10, 107, 255, 0.25);

  /* 点缀色 */
  --accent: #00D4AA;
  --accent-light: rgba(0, 212, 170, 0.08);
  --accent-dim: rgba(0, 212, 170, 0.16);

  /* 背景色 */
  --bg: #F8FAFF;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-section-alt: #F0F4FF;
  --bg-footer: #0A1628;

  /* 文字色阶 */
  --text: #1A1A2E;
  --text-secondary: #5A6A7E;
  --text-muted: #8E9BAE;
  --text-white: #FFFFFF;
  --text-white-dim: rgba(255, 255, 255, 0.7);

  /* 边框 */
  --border: #E2E8F0;
  --border-light: #EDF2F7;
  --border-blue: rgba(10, 107, 255, 0.18);

  /* 圆角 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(10, 107, 255, 0.04);
  --shadow: 0 4px 20px rgba(10, 107, 255, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 32px rgba(10, 107, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 16px 48px rgba(10, 107, 255, 0.10), 0 4px 16px rgba(0, 0, 0, 0.06);

  /* 字体 */
  --font: 'SF Pro Display', 'PingFang SC', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
  --font-heading: 'SF Pro Display', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;

  /* 尺寸 */
  --header-h: 72px;
  --container: 1200px;
}

/* ============================================================
   全局重置
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.25s; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

::selection { background: var(--primary); color: #fff; }

/* ============================================================
   容器
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow { max-width: 900px; }
.container--wide { max-width: 1320px; }

/* ============================================================
   区块通用
   ============================================================ */
.section {
  padding: 88px 0;
}

.section--sm { padding: 56px 0; }
.section--alt { background: var(--bg-section-alt); }
.section--primary { background: var(--primary); }
.section--dark { background: var(--bg-footer); }

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.6;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle { margin: 0 auto; }

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn--primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-glow);
}
.btn--primary:active { transform: translateY(0); }

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

.btn--white {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.25);
}
.btn--accent:hover { filter: brightness(1.1); transform: translateY(-2px); }

.btn--lg { padding: 14px 36px; font-size: 1rem; }
.btn--sm { padding: 8px 18px; font-size: 0.82rem; }
.btn i { font-size: 0.9em; }

/* 脉冲按钮 */
.btn--pulse {
  animation: btnPulse 2s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 16px var(--primary-glow); }
  50% { box-shadow: 0 8px 36px var(--primary-glow), 0 0 0 8px rgba(10, 107, 255, 0.08); }
}

/* ============================================================
   Header + 导航
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s;
}

.header.scrolled {
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.96);
}

.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), #4D94FF);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.header__logo-name {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.header__logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

/* 主导航 */
.header__nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.header__nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all 0.25s;
  white-space: nowrap;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

/* 导航下拉 */
.header__nav-item {
  position: relative;
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 60;
}

.header__dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  white-space: nowrap;
}

.header__dropdown a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* 右侧操作区 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.header__cta {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: all 0.3s;
  box-shadow: 0 4px 14px var(--primary-glow);
  white-space: nowrap;
}

.header__cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

/* 汉堡菜单 (13.4: 独立于 header__actions) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px 4px;
  cursor: pointer;
  z-index: 110;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   移动端侧滑菜单
   ============================================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: #fff;
  z-index: 105;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
}

.mobile-nav.active { transform: translateX(0); }

.mobile-nav__inner {
  padding: 24px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.mobile-nav__link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.mobile-nav__sub {
  padding-left: 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s;
}
.mobile-nav__sub.open { max-height: 400px; }
.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 104;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.mobile-nav__overlay.active { opacity: 1; visibility: visible; }

/* ============================================================
   Hero — 全宽Banner轮播 + 文字叠加
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 580px;
  overflow: hidden;
  margin-top: var(--header-h);
  background: #1a1a2e;
}

/* 全宽Swiper */
.hero-swiper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-swiper .swiper-wrapper,
.hero-swiper .swiper-slide {
  height: 100%;
}

.hero-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 半透明遮罩确保文字可读 */
.hero-swiper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.2) 100%);
  z-index: 2;
  pointer-events: none;
}

/* 文字叠加层 */
.hero__content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
}

.hero__title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 18px;
  max-width: 600px;
}
.hero__title span {
  color: #60a5fa;
}

.hero__desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* 数据条 */
.hero__stats {
  display: flex;
  gap: 32px;
}

.hero__stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.hero__stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

/* 轮播指示器 */
.hero-pagination {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 8px;
}

.hero-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
}

.hero-pagination .swiper-pagination-bullet-active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}

/* ============================================================
   数据滚动
   ============================================================ */
.stats-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06) 0%, transparent 70%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item__number {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-item__label {
  font-size: 0.92rem;
  color: var(--text-white-dim);
  margin-top: 8px;
}

/* ============================================================
   功能卡片
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.35s;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-blue);
}
.feature-card:hover::after { width: 60px; }

.feature-card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: var(--primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
  transition: all 0.35s;
}

.feature-card:hover .feature-card__icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.feature-card__title {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   模板卡片 / 产品卡片
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-blue);
}

.card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
  background: var(--bg-section-alt);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  color: var(--primary);
  background: var(--primary-light);
  margin-bottom: 10px;
  align-self: flex-start;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.35;
}

.card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 12px;
}

.card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.card__meta i { color: var(--primary); margin-right: 4px; }

.card__price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 10px;
}

/* ============================================================
   首页「热门小程序模板」卡片 (仅首页，其它列表页不受影响)
   一行两个 + 整体更紧凑
   ============================================================ */
.card-grid--tpl {
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card-grid--tpl .card__body { padding: 18px; }
.card-grid--tpl .card__title { font-size: 1.02rem; margin-bottom: 6px; }
.card-grid--tpl .card__desc { font-size: 0.86rem; margin-bottom: 10px; }
.card-grid--tpl .card__price { font-size: 1.2rem; margin-top: 6px; }

/* ============================================================
   案例卡片
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* 案例卡：大图在上 + 文字区 (案例页 / 详情页"更多案例"共用) */
.case-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-blue);
}

.case-card__logo {
  display: block;
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  background: var(--bg-section-alt);
}

.case-card__name {
  margin: 0;
  padding: 14px 18px 0;
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.case-card__desc {
  margin: 0;
  padding: 6px 18px 18px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   价格卡片
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  transition: all 0.35s;
  position: relative;
}

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

.pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-dim), 0 8px 40px rgba(10, 107, 255, 0.12);
}

.pricing-card--featured:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 0 4px var(--primary-dim), 0 16px 48px rgba(10, 107, 255, 0.16);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 18px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.pricing-card__price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.pricing-card__period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-card__features {
  text-align: left;
  margin-bottom: 28px;
}

.pricing-card__features li {
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-card__features li:last-child { border-bottom: none; }

.pricing-card__features i.fa-check {
  color: var(--accent);
  font-size: 0.85rem;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary), #0052CC);
  text-align: center;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section__title {
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.cta-section__desc {
  font-size: 1.05rem;
  color: var(--text-white-dim);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-section .btn--white {
  position: relative;
}

/* ============================================================
   评价卡片
   ============================================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.35s;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-blue);
}

.testimonial-card__stars {
  color: #FFB900;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.testimonial-card__text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   Bottom Footer
   ============================================================ */
.footer {
  background: var(--bg-footer);
  color: var(--text-white-dim);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 16px 0;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white-dim);
  transition: all 0.3s;
  font-size: 0.9rem;
}

.footer__social a:hover {
  background: var(--primary);
  color: #fff;
}

.footer__col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer__links a {
  display: block;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--text-white-dim);
  transition: color 0.25s;
}

.footer__links a:hover { color: #fff; }

.footer__contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.86rem;
  line-height: 1.5;
}

.footer__contact-item i {
  color: var(--primary);
  margin-top: 3px;
  flex-shrink: 0;
}

/* 友情链接 */
.friend-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0;
}

.friend-links__label {
  font-size: 0.84rem;
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
}

.friend-links a {
  font-size: 0.8rem;
  color: var(--text-white-dim);
  transition: color 0.25s;
}

.friend-links a:hover { color: #fff; }

/* 底部版权 */
.footer__bottom {
  padding: 24px 0;
}

.footer__bottom-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-white-dim);
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 300px;
  overflow: hidden;
  margin-top: var(--header-h);
  background: var(--bg-footer);
}

/* 列表页常用 banner 高度 (280px) —— 用类控制以便手机端可继续收矮 */
.inner-banner--280 { height: 280px; }

.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 107, 255, 0.85), rgba(0, 82, 204, 0.9));
}

.inner-banner__content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.inner-banner__title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.inner-banner__subtitle {
  font-size: 1rem;
  opacity: 0.85;
  margin-top: 10px;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb-bar {
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}

.breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { margin: 0 6px; font-size: 0.65rem; }

/* ============================================================
   列表页布局
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 子栏目过滤栏 */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 14px 0;
}

.filter-bar a {
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all 0.25s;
}

.filter-bar a:hover,
.filter-bar a.active {
  background: var(--primary);
  color: #fff;
}

/* 列表网格 */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.list-grid--2 { grid-template-columns: repeat(2, 1fr); }
.list-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
}

.pagination a {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}

.pagination a:hover,
.pagination a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination a.disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 14px;
  opacity: 0.3;
}

/* ============================================================
   详情页
   ============================================================ */
.detail {
  max-width: 900px;
  margin: 0 auto;
}

.detail__header { margin-bottom: 28px; }

.detail__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 14px;
}

.detail__meta-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.detail__meta-row i { margin-right: 4px; color: var(--primary); }

.detail__body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.detail__body img {
  border-radius: var(--radius);
  margin: 20px 0;
  max-width: 100%;
}

.detail__body p { margin-bottom: 16px; }
.detail__body h2, .detail__body h3 { margin: 28px 0 14px; }
.detail__body ul, .detail__body ol { padding-left: 24px; margin-bottom: 16px; }
.detail__body li { margin-bottom: 6px; }

.detail__pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.detail__pager a { color: var(--primary); }

.detail__pager a:hover { text-decoration: underline; }
.detail__pager span { max-width: 35%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 详情页参数卡片 */
.detail__params {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.detail__param {
  background: var(--primary-light);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}

.detail__param-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.detail__param-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

/* 详情 Tab */
.detail-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 28px;
}

.detail-tabs button {
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.25s;
}

.detail-tabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.detail-tab-content { display: none; }
.detail-tab-content.active { display: block; }

/* ============================================================
   联系页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.contact-info__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
}

/* ============================================================
   表单
   ============================================================ */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group .required { color: #EF4444; }

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.92rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  transition: all 0.25s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%235A6A7E' stroke-width='1.5' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ============================================================
   搜索页
   ============================================================ */
.search-box { padding: 48px 0 24px; }

.search-form-row {
  display: flex;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
}

.search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap i {
  position: absolute;
  left: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
  z-index: 1;
}

.search-input-wrap input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 0.95rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  outline: none;
  transition: all 0.25s;
}

.search-input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-dim);
}

/* 搜索结果 / 新闻列表行 */
.search-result-item {
  display: flex;
  gap: 18px;
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.25s;
  border-radius: var(--radius);
}

.search-result-item:hover {
  background: var(--primary-light);
}

.search-result-item__thumb {
  width: 150px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-section-alt);
}

.search-result-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-item__title {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.4;
}

.search-result-item__date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.search-result-item__desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   关于页
   ============================================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
}

.about-intro__img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-intro__img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ============================================================
   产品功能页 (features.html)：压缩内部留白
   ============================================================ */
.page-features .about-intro { margin-bottom: 0; }
.page-features .about-intro + .about-intro { margin-top: 44px; }

/* 图片为 1200x750 (16:10) 宽屏截图，按原生比例展示、不裁边 */
.page-features .about-intro__img { background: linear-gradient(135deg, #e8f0fe, #d4e4fc); }
.page-features .about-intro__img img { aspect-ratio: 16/10; min-height: 0; }

.page-features .about-intro__h {
  display: flex;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}
.page-features .about-intro__h i { color: var(--primary); margin-right: 10px; }

.page-features .about-intro__p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 14px;
}

.page-features .about-intro__ul {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.9;
}
.page-features .about-intro__ul i { color: var(--accent); margin-right: 8px; }

/* 团队网格 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all 0.35s;
}

.team-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-blue);
}

.team-card__avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--primary-light);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.team-card__name { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.team-card__title { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   数字滚动动画
   ============================================================ */
.countup {
  display: inline-block;
}

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px var(--primary-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.35s;
  cursor: pointer;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

/* ============================================================
   在线客服按钮
   ============================================================ */
.online-service {
  position: fixed;
  bottom: 86px;
  right: 30px;
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.35);
  cursor: pointer;
  transition: all 0.3s;
  animation: servicePulse 2.5s ease-in-out infinite;
}

.online-service:hover {
  transform: scale(1.1);
}

@keyframes servicePulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0, 212, 170, 0.35); }
  50% { box-shadow: 0 8px 32px rgba(0, 212, 170, 0.5), 0 0 0 8px rgba(0, 212, 170, 0.1); }
}

/* ============================================================
   产品界面展示 (首页模块5)：整体更紧凑
   ============================================================ */
.showcase-swiper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}
.showcase-swiper .showcase-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.showcase-swiper .swiper-pagination { position: relative; margin-top: 14px; }

/* ============================================================
   首页「合作伙伴」品牌名墙 (弱化"具体案例"，观感更轻)
   ============================================================ */
.client-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  column-gap: 56px;
  row-gap: 22px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 6px 0 2px;
}
.client-wall__item {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  white-space: nowrap;
  padding: 4px 0;
  position: relative;
  transition: color 0.25s;
}
.client-wall__item::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.25s;
}
.client-wall__item:hover { color: var(--primary); }
.client-wall__item:hover::after { transform: scaleX(1); }

/* ============================================================
   响应式 (断点 768px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero__text { max-width: 100%; }
  .hero__stats { justify-content: center; }
  .hero__actions { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .detail__params { grid-template-columns: repeat(2, 1fr); }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .section { padding: 44px 0; }
  .section-header { margin-bottom: 36px; }
  .section-title { font-size: 1.6rem; }
  .hero { height: 420px; }
  .hero__title { font-size: 1.6rem; }
  .hero__desc { font-size: 0.9rem; display:none; }
  .hero__stats { gap: 16px; flex-wrap: wrap; }
  .hero__stat-num { font-size: 1.1rem; }

  /* 导航 */
  .header__nav { display: none; }
  .header__cta { display: none; }
  .hamburger { display: flex; }
  .header__actions { margin-left: auto; }

  /* 网格 */
  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .card-grid, .list-grid, .case-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  /* 首页模板卡片：手机端改为一行两个、更紧凑 */
  .card-grid.card-grid--tpl {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: none;
    margin: 0;
  }
  .card-grid.card-grid--tpl .card__body { padding: 12px; }
  .card-grid.card-grid--tpl .card__tag { margin-bottom: 6px; }
  .card-grid.card-grid--tpl .card__title { font-size: 0.92rem; margin-bottom: 4px; }
  .card-grid.card-grid--tpl .card__desc { font-size: 0.8rem; margin-bottom: 8px; }
  /* 模板列表页卡片：两列下的模块行 */
  .card-grid.card-grid--tpl .card__meta { font-size: 0.76rem; gap: 8px; margin-top: 2px; }
  .card-grid.card-grid--tpl .card__price { font-size: 1.02rem; margin-top: 4px; }

  /* 案例列表：手机端一行两个、图片拉大 */
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: none;
    margin: 0;
  }
  .case-card__name { padding: 12px 14px 0; font-size: 0.98rem; }
  .case-card__desc { padding: 6px 14px 14px; font-size: 0.84rem; }

  /* 产品界面展示：图片收窄、居中，压缩高度 */
  .showcase-swiper .swiper-slide img.showcase-img { width: 86%; }

  /* 合作伙伴墙：手机端收紧间距 */
  .client-wall { column-gap: 28px; row-gap: 18px; }
  .client-wall__item { font-size: 1rem; letter-spacing: 0.6px; }

  /* 价格方案：手机端改横向滑动，专业版默认第一张 */
  .pricing-grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    max-width: none;
    margin: 0;
    padding: 22px 4px 10px;
  }
  .pricing-grid::-webkit-scrollbar { display: none; }
  .pricing-grid .pricing-card {
    flex: 0 0 calc(100% - 34px);
    scroll-snap-align: start;
  }
  .pricing-grid .pricing-card:nth-child(2) { order: -1; }
  /* 价格卡片：手机端整体压缩 */
  .pricing-card { padding: 26px 20px 24px; }
  .pricing-card__name { font-size: 1.05rem; margin-bottom: 4px; }
  .pricing-card__desc { font-size: 0.8rem; margin-bottom: 14px; }
  .pricing-card__price { font-size: 2.1rem; margin-bottom: 2px; }
  .pricing-card__period { font-size: 0.8rem; margin-bottom: 18px; }
  .pricing-card__features { margin-bottom: 16px; }
  .pricing-card__features li { padding: 7px 0; font-size: 0.84rem; gap: 8px; }
  .pricing-card .btn { padding: 12px 16px; font-size: 0.92rem; }

  /* CTA：手机端压缩 */
  .cta-section { padding: 44px 0; }
  .cta-section__title { font-size: 1.5rem; margin-bottom: 8px; }
  .cta-section__desc { font-size: 0.92rem; margin-bottom: 22px; }
  .cta-section .btn--lg { padding: 12px 26px; font-size: 0.95rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  /* 快速链接：手机端改成一行横向排列 */
  .footer__links { display: flex; flex-wrap: wrap; gap: 4px 20px; }
  .footer__links a { display: inline-block; padding: 4px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-item__number { font-size: 2rem; }

  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .inner-banner { height: 200px; }
  .inner-banner--280 { height: 200px; }
  .inner-banner__title { font-size: 1.5rem; }
  .detail__title { font-size: 1.35rem; }
  /* 新闻/搜索行：手机端堆叠更紧凑 */
  .search-result-item { flex-direction: column; padding: 14px; gap: 10px; }
  .search-result-item__thumb { width: 100%; height: 150px; }
  .detail__pager { flex-direction: column; text-align: center; }
  .detail__pager span { max-width: 100%; }

  .back-top { bottom: 20px; right: 20px; }
  .online-service { bottom: 70px; right: 20px; }

  /* 产品功能页：手机端收紧行距与图文间距 */
  .page-features .about-intro { gap: 22px; }
  .page-features .about-intro + .about-intro { margin-top: 34px; }
  .page-features .about-intro__h { font-size: 1.2rem; margin-bottom: 12px; }
  .page-features .about-intro__p { line-height: 1.7; margin-bottom: 12px; }
  .page-features .about-intro__ul { line-height: 1.85; }
}

/* ============================================================
   手机端「核心功能」：一行四格 (图标 + 短标题，隐藏长描述)
   ============================================================ */
@media (max-width: 520px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    max-width: none;
    margin: 0;
  }

  .feature-card {
    padding: 16px 4px 12px;
    border-radius: var(--radius);
  }
  .feature-card::after { display: none; }
  .feature-card:hover { transform: none; box-shadow: none; }

  .feature-card__icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 8px;
    font-size: 1.05rem;
    border-radius: var(--radius);
  }

  .feature-card__title {
    font-size: 0.74rem;
    line-height: 1.35;
    margin-bottom: 0;
  }

  .feature-card__desc { display: none; }
}

/* ============================================================
   手机小屏：首页模板卡片进一步压缩 (隐藏简介，仅图像+标题+价格)
   ============================================================ */
@media (max-width: 520px) {
  .card-grid.card-grid--tpl { gap: 8px; }
  .card-grid.card-grid--tpl .card__body { padding: 8px 8px 10px; }
  .card-grid.card-grid--tpl .card__tag { margin-bottom: 4px; padding: 1px 7px; font-size: 0.66rem; }
  .card-grid.card-grid--tpl .card__title { font-size: 0.84rem; margin-bottom: 2px; }
  .card-grid.card-grid--tpl .card__desc,
  .card-grid.card-grid--tpl .card__meta { display: none; }
  .card-grid.card-grid--tpl .card__price { font-size: 0.96rem; margin-top: 2px; }

  /* 案例卡：小屏进一步压缩文字区 */
  .case-grid { gap: 8px; }
  .case-card__name { padding: 10px 10px 0; font-size: 0.9rem; }
  .case-card__desc { padding: 5px 10px 10px; font-size: 0.78rem; }

  /* 产品界面展示：小屏进一步收窄 */
  .showcase-swiper .swiper-slide img.showcase-img { width: 80%; }
}