/* ============================================================
   圭图 数智营 - AI 营销平台 模板主样式
   圭图 数智营 · 温度科技感模板
   配色：白/奶白主色 + 电光蓝 + 暖橙温度感
   适用：MCMS 6.x + Java 17
   作者：MCMS 模板开发团队
   创建：2026-08-01
   ============================================================ */

/* ===== 字体声明（Inter 本地化 + 系统兜底） ===== */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/Inter-ExtraBold.woff2') format('woff2');
}

/* ===== CSS 变量 ===== */
:root {
  /* 中性色（白/奶白主调） */
  --bg:           #ffffff;
  --bg-soft:      #fafbfc;
  --bg-warm:      #f8fafc;
  --surface:      #f5f5f7;
  --surface-2:    #f0f0f2;

  /* 文字 */
  --text-1:       #0a0a0a;
  --text-2:       #404040;
  --text-3:       #737373;
  --text-4:       #a3a3a3;
  --text-inverse: #ffffff;

  /* 边框 */
  --border:        #e5e7eb;
  --border-soft:   #f0f0f0;
  --divider:       #fafafa;

  /* 品牌主色：电光蓝 */
  --accent:         #0066ff;
  --accent-hover:   #0052cc;
  --accent-light:   #3b82f6;
  --accent-soft:    #eff6ff;
  --accent-glow:    rgba(0, 102, 255, 0.1);

  /* 强调色：暖橙 */
  --warm:           #ff6b35;
  --warm-hover:     #ea580c;
  --warm-soft:      #fff4ed;

  /* 功能色 */
  --green:          #10b981;
  --green-soft:     #ecfdf5;
  --warning:        #f59e0b;
  --error:          #ef4444;

  /* 渐变 */
  --gradient-brand: linear-gradient(135deg, #0066ff 0%, #3b82f6 100%);
  --gradient-warm:  linear-gradient(135deg, #ff6b35 0%, #f59e0b 100%);
  --gradient-text:  linear-gradient(135deg, #0066ff 0%, #06b6d4 100%);
  --gradient-hero:  radial-gradient(ellipse at top, var(--accent-soft) 0%, #ffffff 60%);

  /* 字体 */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", monospace;

  /* 字号 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --text-8xl: 6rem;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.10);
  --shadow-accent: 0 4px 20px rgba(0, 102, 255, 0.15);
  --shadow-warm: 0 4px 20px rgba(255, 107, 53, 0.18);

  /* 间距 */
  --section-gap: 100px;
  --content-max: 1200px;
  --content-pad: 24px;

  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* z-index */
  --z-nav: 100;
  --z-fab: 90;
  --z-modal: 1000;
}

/* ===== 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: var(--text-base);
  line-height: 1.6;
  color: var(--text-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'tnum' 1;
}

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

img {
  max-width: 100%;
  display: block;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ===== 工具类 ===== */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-pad);
}

.text-grad {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-warm-grad {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.2;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
}

.btn--primary {
  background: var(--accent);
  color: var(--text-inverse);
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(0, 102, 255, 0.25);
}

.btn--warm {
  background: var(--gradient-warm);
  color: var(--text-inverse);
  box-shadow: var(--shadow-warm);
}
.btn--warm:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.30);
}

.btn--ghost {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--text-1);
  background: var(--bg-soft);
}

.btn--text {
  background: transparent;
  color: var(--accent);
  padding: 8px 0;
  border-radius: 0;
}
.btn--text:hover {
  color: var(--accent-hover);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn--sm {
  padding: 8px 16px;
  font-size: 13px;
}

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

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
}
.badge--warm { background: var(--warm-soft); color: var(--warm); }
.badge--green { background: var(--green-soft); color: var(--green); }
.badge--gray { background: var(--bg-soft); color: var(--text-2); }

/* ===== 导航 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 14px 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(255, 255, 255, 0.95);
  padding: 10px 0;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-1);
  flex-shrink: 0;
}
.navbar__logo {
  width: 32px;
  height: 32px;
  background: var(--gradient-brand);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.navbar__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.navbar__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-2);
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.navbar__link:hover {
  color: var(--text-1);
  background: var(--bg-soft);
}
.navbar__link--active {
  color: var(--accent);
  background: var(--accent-soft);
}
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* 移动端菜单按钮 */
.navbar__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  align-items: center;
  justify-content: center;
}
.navbar__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-1);
  position: relative;
  transition: all var(--transition-fast);
}
.navbar__toggle span::before,
.navbar__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text-1);
  transition: all var(--transition-fast);
}
.navbar__toggle span::before { top: -6px; }
.navbar__toggle span::after { top: 6px; }

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero__badge {
  margin-bottom: 20px;
}
.hero__title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--text-1);
}
.hero__title .text-grad {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-2);
  line-height: 1.4;
  margin-bottom: 16px;
}
.hero__desc {
  font-size: 15px;
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero__desc strong {
  color: var(--accent);
  font-weight: 600;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-3);
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== Mac 窗口组件 ===== */
.mac-window {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--border);
  overflow: hidden;
}
.mac-window__bar {
  background: #fafafa;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.mac-window__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.mac-window__dot--r { background: #ff5f57; }
.mac-window__dot--y { background: #ffbd2e; }
.mac-window__dot--g { background: #28c840; }
.mac-window__title {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
}
.mac-window__body {
  padding: 20px;
}
.mc-card {
  padding: 14px;
  border-radius: 12px;
  background: #fafafa;
  border: 1px solid var(--border-soft);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}
.mc-card:hover {
  border-color: var(--accent);
  background: #fff;
}
.mc-card:last-child { margin-bottom: 0; }
.mc-card--accent {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.mc-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.mc-card--accent .mc-card__icon {
  background: var(--accent);
  color: #fff;
}
.mc-card__title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text-1);
}
.mc-card__desc {
  font-size: 12px;
  color: var(--text-3);
}

/* ===== 信任标识 ===== */
.trust {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
  background: #fff;
}
.trust__label {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.trust__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  opacity: 0.7;
}
.trust__logo {
  padding: 8px 20px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-2);
  font-size: 14px;
}

/* ===== 通用 Section ===== */
.section {
  padding: var(--section-gap) 0;
}
.section--soft {
  background: var(--bg-soft);
}
.section--bordered {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section__head--left {
  text-align: left;
  margin-left: 0;
}
.section__tag {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.section__title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-1);
}
.section__title .text-grad {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section__desc {
  font-size: 17px;
  color: var(--text-3);
  line-height: 1.6;
}
.cap-group-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-1);
  margin: 40px 0 16px;
  line-height: 1.3;
}

/* ===== 三大能力 ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.feature:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-4px);
}
.feature__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
}
.feature__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-1);
}
.feature__desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.feature__link {
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}
.feature__link:hover {
  gap: 8px;
}
.feature__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

/* ===== 营销增长工具网格 ===== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.tool-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-1);
  transition: all var(--transition-base);
}
.tool-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}
.tool-ico {
  width: 22px;
  text-align: center;
  font-size: 18px;
}
.platform-logo {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}
.feature__icon .platform-logo {
  width: 34px;
  height: 34px;
}
.tool-card .platform-logo {
  width: 22px;
  height: 22px;
}
@media (max-width: 640px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 勾选清单 ===== */
.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 900px;
  margin: 0 auto;
}
.check-list li {
  position: relative;
  padding: 12px 0 12px 34px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.75;
  border-bottom: 1px dashed var(--border-soft);
}
.check-list li:last-child {
  border-bottom: none;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 12px;
  color: var(--accent);
  font-weight: 700;
}
.check-list strong {
  color: var(--text-1);
}

/* ===== 数据条 ===== */
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.data-num {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.data-label {
  font-size: 14px;
  color: var(--text-3);
}

/* ===== 行业方案 ===== */
.industries {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.industry {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition-base);
}
.industry:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.industry__emoji {
  font-size: 36px;
  margin-bottom: 12px;
  display: block;
}
.industry__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-1);
}
.industry__desc {
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 16px;
  line-height: 1.6;
}
.industry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.industry__tag {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--bg-soft);
  border-radius: var(--radius-full);
  color: var(--text-2);
}

/* ===== 价格 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.pricing-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1024px) {
  .pricing-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .pricing-grid--4 {
    grid-template-columns: 1fr;
  }
}
.pricing-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
}
.pricing-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.pricing-card--featured {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-accent);
  transform: scale(1.02);
}
.pricing-card--featured::before {
  content: '⭐ 最受欢迎';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-weight: 600;
  white-space: nowrap;
}
.pricing-card__name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-1);
}
.pricing-card__desc {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.pricing-card__price {
  margin-bottom: 20px;
}
.pricing-card__price-num {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: var(--text-1);
}
.pricing-card__price-unit {
  font-size: 14px;
  color: var(--text-3);
  margin-left: 4px;
}
.pricing-card__features {
  margin-bottom: 24px;
  flex: 1;
}
.pricing-card__features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-2);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-card__features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== 客户案例 ===== */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-soft) 0%, #fff 100%);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.case:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--accent);
}
.case__emoji {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}
.case__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-1);
}
.case__industry {
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 12px;
  font-weight: 500;
}
.case__quote {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  flex: 1;
}
.case__metric {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  gap: 12px;
}
.case__metric-item {
  flex: 1;
}
.case__metric-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--warm);
  line-height: 1;
  margin-bottom: 4px;
}
.case__metric-label {
  font-size: 12px;
  color: var(--text-3);
}

/* ===== FAQ ===== */
.faq {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-soft);
}
.faq-q {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  list-style: none;
  color: var(--text-1);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: '+';
  font-size: 24px;
  color: var(--text-3);
  transition: transform var(--transition-base);
  font-weight: 300;
}
.faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}
.faq-a {
  padding-top: 12px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent) 0%, #06b6d4 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}
.cta__title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta__desc {
  font-size: 17px;
  opacity: 0.95;
  margin-bottom: 32px;
}
.cta__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta .btn--warm {
  background: #fff;
  color: var(--warm);
}
.cta .btn--warm:hover {
  background: #fff;
  color: var(--warm-hover);
}
.cta .btn--ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  background: transparent;
}
.cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

/* ===== 页面 Banner（除首页外） ===== */
.page-banner {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, #fff 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, rgba(0, 102, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}
.page-banner__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-banner__title {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 16px 0;
  color: var(--text-1);
}
.page-banner__title .text-grad {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-banner__desc {
  font-size: 18px;
  color: var(--text-3);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-3);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-soft);
}
.breadcrumb a {
  color: var(--text-2);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb__sep {
  margin: 0 8px;
  color: var(--text-4);
}
.breadcrumb span:last-child {
  color: var(--text-1);
  font-weight: 500;
}

/* ===== 子栏目导航(关于我们层级切换) ===== */
.subnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 900px;
  margin: 40px auto 0;
  padding: 0 var(--content-pad);
}
.subnav__item {
  padding: 8px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-base);
}
.subnav__item:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.subnav__item--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ===== Footer ===== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer__brand-desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 280px;
  margin-top: 14px;
}
.footer__title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-1);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 13px;
  color: var(--text-3);
  transition: color var(--transition-fast);
}
.footer__links a:hover {
  color: var(--accent);
}
.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom a:hover {
  color: var(--accent);
}

/* ===== 浮动客服按钮 ===== */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
  cursor: pointer;
  z-index: var(--z-fab);
  font-size: 22px;
  transition: all var(--transition-base);
}
.fab:hover {
  transform: scale(1.08);
  background: var(--accent-hover);
  box-shadow: 0 8px 28px rgba(0, 102, 255, 0.3);
}
.fab::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  z-index: -1;
  animation: fab-pulse 2s ease-in-out infinite;
}
@keyframes fab-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0; }
}

/* ===== 文章列表 ===== */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.news-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.news-card__cover {
  height: 180px;
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  overflow: hidden;
}
.news-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-3);
}
.news-card__cat {
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-soft);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}
.news-card__title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}
.news-card__title a {
  color: var(--text-1);
  transition: color var(--transition-fast);
}
.news-card__title a:hover {
  color: var(--accent);
}
.news-card__desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}
.news-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-3);
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}
.news-card__foot a {
  color: var(--accent);
  font-weight: 500;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: #fff;
  min-width: 40px;
  text-align: center;
  transition: all var(--transition-fast);
}
.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.pagination .pagination__active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pagination__info {
  padding: 10px 16px;
  color: var(--text-3);
  font-size: 14px;
  border: none;
  background: transparent;
}

/* ===== 侧边栏 ===== */
.layout-with-side {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: start;
}
.sidebar {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  position: sticky;
  top: 100px;
}
.sidebar__block {
  margin-bottom: 28px;
}
.sidebar__block:last-child {
  margin-bottom: 0;
}
.sidebar__title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
}
.sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sidebar__list a {
  font-size: 14px;
  color: var(--text-2);
  display: block;
  transition: color var(--transition-fast);
}
.sidebar__list a:hover {
  color: var(--accent);
}
.sidebar__list a.active {
  color: var(--accent);
  font-weight: 600;
}

/* ===== 文章详情 ===== */
.article {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.article__header {
  text-align: center;
  padding: 60px 0 40px;
}
.article__cat {
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 16px;
  font-weight: 500;
}
.article__title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-1);
}
.article__meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-3);
  flex-wrap: wrap;
}
.article__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.article__body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}
.article__body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 48px 0 16px;
  color: var(--text-1);
  line-height: 1.3;
}
.article__body h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 36px 0 12px;
  color: var(--text-1);
  line-height: 1.4;
}
.article__body p {
  margin-bottom: 20px;
}
.article__body ul, .article__body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}
.article__body li {
  margin-bottom: 8px;
  list-style: disc;
}
.article__body blockquote {
  padding: 16px 24px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-1);
}
.article__body code {
  background: var(--bg-soft);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--warm);
}
.article__body pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}
.article__body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  max-width: 100%;
  height: auto;
}
.article__tags {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.article__tags-label {
  font-size: 13px;
  color: var(--text-3);
  margin-right: 4px;
}
.article__tag {
  font-size: 13px;
  padding: 6px 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-full);
  color: var(--text-2);
  transition: all var(--transition-fast);
}
.article__tag:hover {
  background: var(--accent-soft);
  color: var(--accent);
}
.article__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 32px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border);
  margin: 32px 0;
}
.article__nav-item {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  transition: all var(--transition-base);
  display: block;
  min-height: 60px;
}
.article__nav-item:hover {
  background: var(--accent-soft);
}
.article__nav-item--next {
  text-align: right;
}
.article__nav-label {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 4px;
}
.article__nav-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.5;
}

/* ===== 表单 ===== */
.form {
  max-width: 600px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-1);
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
  background: #fff;
  color: var(--text-1);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-textarea {
  min-height: 120px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
}
.form-check a {
  color: var(--accent);
}
.form-tip {
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  margin-top: 16px;
}

/* ===== 联系信息卡片 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.contact-card {
  text-align: center;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition-base);
}
.contact-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.contact-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
}
.contact-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-1);
}
.contact-card__desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
}
.contact-card__desc strong {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
}

/* ===== 团队 ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.team-card {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition-base);
}
.team-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-brand);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px;
  overflow: hidden;
}
.team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team-card__name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-1);
}
.team-card__role {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.team-card__desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.5;
}

/* ===== 步骤 ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step__num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  font-weight: 800;
  box-shadow: var(--shadow-accent);
}
.step__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-1);
}
.step__desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
}

/* ===== 对比表格 ===== */
.compare {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.compare__col {
  padding: 40px 36px;
}
.compare__col--bad {
  background: linear-gradient(135deg, #fff7ed 0%, #fffaf5 100%);
}
.compare__col--good {
  background: linear-gradient(135deg, #f0fdf4 0%, #f7fff7 100%);
}
.compare__vs {
  background: linear-gradient(180deg, var(--accent-soft), #f8fafc, var(--green-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  min-width: 80px;
}
.compare__vs-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-2);
}
.compare__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}
.compare__col--bad .compare__title { color: #ea580c; }
.compare__col--good .compare__title { color: #16a34a; }
.compare__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.compare__list li {
  display: flex;
  gap: 8px;
  font-size: 15px;
  color: var(--text-2);
}
.compare__col--bad .compare__list li::before {
  content: '✗';
  color: #ea580c;
  font-weight: 700;
  flex-shrink: 0;
}
.compare__col--good .compare__list li::before {
  content: '✓';
  color: #16a34a;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== 价格对比表 ===== */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.pricing-table th,
.pricing-table td {
  padding: 14px 16px;
  text-align: left;
}
.pricing-table thead {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.pricing-table th {
  font-weight: 600;
  color: var(--text-1);
}
.pricing-table th.text-center,
.pricing-table td.text-center {
  text-align: center;
}
.pricing-table th.featured,
.pricing-table td.featured {
  background: var(--accent-soft);
  color: var(--accent);
}
.pricing-table tbody tr {
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--transition-fast);
}
.pricing-table tbody tr:hover {
  background: var(--bg-soft);
}
.pricing-table .check {
  color: var(--green);
  font-weight: 700;
}
.pricing-table .cross {
  color: var(--text-4);
}

/* ===== 滚动入场动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 浮动效果 ===== */
.float {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --section-gap: 80px;
  }
  .hero { padding: 130px 0 60px; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__title { font-size: 48px; }
  .page-banner { padding: 130px 0 60px; }
  .page-banner__title { font-size: 36px; }
  .section__title { font-size: 32px; }
  .features,
  .industries,
  .pricing-grid,
  .cases,
  .team-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }
  .news-list { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .navbar__links { display: none; }
  .navbar__toggle { display: flex; }
  .navbar.is-open .navbar__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
    align-items: stretch;
  }
  .navbar.is-open .navbar__link {
    padding: 12px 14px;
  }
  .layout-with-side { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .compare { grid-template-columns: 1fr; }
  .compare__vs { padding: 20px; }
  .article__title { font-size: 32px; }
}

@media (max-width: 640px) {
  :root {
    --section-gap: 60px;
    --content-pad: 20px;
  }
  .hero { padding: 110px 0 40px; }
  .hero__title { font-size: 36px; }
  .hero__subtitle { font-size: 18px; }
  .page-banner { padding: 110px 0 50px; }
  .page-banner__title { font-size: 28px; }
  .section { padding: 60px 0; }
  .section__title { font-size: 26px; }
  .data-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .data-num { font-size: 36px; }
  .cta { padding: 60px 0; }
  .cta__title { font-size: 28px; }
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .article__title { font-size: 26px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .article__nav { grid-template-columns: 1fr; }
  .article__nav-item--next { text-align: left; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ===== 打印 ===== */
@media print {
  .navbar, .fab, .cta, .footer { display: none; }
  .hero, .page-banner { padding: 40px 0; }
}