/* ============================================
   纳易科技官网 - 全局样式
   NAYITEK Corporate Website - Global Styles
   ============================================ */

/* ---------- 1. 字体声明 ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/NotoSansSC-Variable.woff2') format('woff2-variations'),
       url('../fonts/NotoSansSC-Variable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- 2. CSS变量 ---------- */
:root {
  /* 品牌色 */
  --color-primary: #01BF71;
  --color-primary-light: #0BE18D;
  --color-primary-dark: #017A4D;
  --color-dark: #1E3A2F;
  --color-bg-light: #F2FBF7;
  --color-bg-lighter: #F9FDFB;

  /* 中性色 */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-dark) 100%);

  /* 字体 */
  --font-cn: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --font-en: 'Poppins', 'Inter', -apple-system, sans-serif;

  /* 布局 */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-padding: 24px;
  --section-padding: 80px 0;
  --header-height: 48px;
  --nav-height: 64px;

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 30px rgba(1, 191, 113, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
}

/* ---------- 3. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- 4. 全局排版 ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-en), var(--font-cn);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-gray-900);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1em;
  color: var(--color-gray-600);
}

p:last-child {
  margin-bottom: 0;
}

strong, b {
  font-weight: 600;
}

/* 英文/数字自动使用Poppins */
.en-text, .num-text,
[data-en] {
  font-family: var(--font-en);
}

/* ---------- 5. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--section-padding);
}

.section--light {
  background-color: var(--color-bg-light);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6,
.section--dark p,
.section--dark span,
.section--dark a,
.section--dark div {
  color: var(--color-white);
}

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

.section__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  margin: 16px auto 0;
  border-radius: var(--radius-full);
}

.section--dark .section__title::after {
  background: var(--color-primary-light);
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--color-gray-500);
  max-width: 640px;
  margin: 0 auto;
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 6. 通用组件 ---------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font-cn);
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
}

.btn--white:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline-hero {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-hero:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 14px 36px;
  font-size: 1rem;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

/* 卡片 */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card--hover:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.card--border {
  border: 1px solid var(--color-gray-200);
  box-shadow: none;
}

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

/* 卡片内部元素 */
.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__icon--warning {
  background: linear-gradient(135deg, rgba(1, 191, 113, 0.1), rgba(1, 122, 77, 0.1));
  color: var(--color-primary);
}

.card__img {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: -32px -32px 24px;
  padding: 0;
}

.card__img--gradient {
  background: linear-gradient(135deg, rgba(1, 122, 77, 0.08), rgba(1, 191, 113, 0.08));
}

.card__body {
  flex: 1;
}

.card__body .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}

.card__solution {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 8px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition-base), color var(--transition-base);
}

.card__link:hover {
  gap: 10px;
  color: var(--color-primary-dark);
}

.card__data-row {
  display: flex;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-gray-100);
  margin-top: 4px;
}

.card__data-item {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}

.card__data-value {
  font-family: var(--font-en), var(--font-cn);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.card__data-label {
  font-size: 0.75rem;
  color: var(--color-gray-400);
}

/* 网格 */
.grid {
  display: grid;
  gap: 24px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-gray-400);
  padding: 16px 0;
}

.breadcrumb a {
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

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

.breadcrumb__sep {
  color: var(--color-gray-300);
}

.breadcrumb__current {
  color: var(--color-gray-700);
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
}

.tag--outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

/* 分隔线 */
.divider {
  height: 1px;
  background: var(--color-gray-200);
  margin: 0;
}

/* ---------- 7. 工具类 ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-dark { color: var(--color-dark); }
.text-gray { color: var(--color-gray-500); }

.font-en { font-family: var(--font-en); }
.font-cn { font-family: var(--font-cn); }

.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mt-6 { margin-top: 64px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

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

/* ---------- 8. 滚动动画 ---------- */
.fade-in,
.slide-up,
.slide-left,
.slide-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-up { transform: translateY(30px); }
.slide-left { transform: translateX(-30px); }
.slide-right { transform: translateX(30px); }

.fade-in.active,
.slide-up.active,
.slide-left.active,
.slide-right.active {
  opacity: 1;
  transform: translate(0, 0);
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in,
  .slide-up,
  .slide-left,
  .slide-right {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 9. 响应式断点 ---------- */
/* 大屏 */
@media (min-width: 1400px) {
  :root {
    --container-padding: 32px;
  }
}

/* 平板 */
@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  .section { padding: 64px 0; }
  .section__header { margin-bottom: 40px; }
  .grid--4 { grid-template-columns: repeat(3, 1fr); }
}

/* 移动端 */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --section-padding: 48px 0;
    --nav-height: 56px;
  }

  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .section__header { margin-bottom: 32px; }
  .section__title { font-size: 1.5rem; }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .btn { padding: 10px 24px; font-size: 0.875rem; }
  .btn--lg { padding: 12px 28px; font-size: 0.9375rem; }

  .card { padding: 24px; }
}

/* 小屏手机 */
@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}

/* ==========================================================================
   首页专用组件样式
   ========================================================================== */

/* --- Hero 主视觉 --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(48px + 64px) 0 80px; /* top-bar + main-nav + bottom */
  background: var(--gradient-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(1, 191, 113, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(11, 225, 141, 0.1) 0%, transparent 60%),
    linear-gradient(160deg, #017A4D 0%, #012E1C 50%, #1E3A2F 100%);
}

/* 纳米纤维膜纹理效果 */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(1, 191, 113, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(11, 225, 141, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(1, 191, 113, 0.04) 0%, transparent 60%);
  animation: heroBgPulse 8s ease-in-out infinite alternate;
}

@keyframes heroBgPulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

/* Hero内所有文字强制白色（排除白色实心按钮） */
.hero__content,
.hero__content h1,
.hero__content h2,
.hero__content h3,
.hero__content p,
.hero__content span,
.hero__content div {
  color: var(--color-white);
}

/* Hero内的链接默认白色（但保留按钮类自己的颜色） */
.hero__content a:not(.btn):not(.btn--white):not(.btn--outline-hero) {
  color: var(--color-white);
}

/* 白色实心按钮：白底+深绿字，不受Hero颜色覆盖影响 */
.hero__content .btn--white {
  background-color: var(--color-white) !important;
  color: var(--color-primary-dark) !important;
  border-color: var(--color-white) !important;
}

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero__highlight {
  color: var(--color-primary-light);
  position: relative;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__stat {
  text-align: left;
}

.hero__stat .counter {
  color: var(--color-primary-light);
}

.hero__stat-text {
  font-family: var(--font-en), var(--font-cn);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1.5;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

/* Hero响应式 */
@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding: calc(48px + 64px) 0 60px;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__stats {
    gap: 24px;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 1.875rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__stats {
    gap: 20px;
  }

  .hero__stat {
    flex: 1;
    min-width: 80px;
  }
}

/* --- 核心数据区域（深色背景内） --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats-item {
  color: var(--color-white);
}

.stats-item .counter {
  color: var(--color-primary-light);
  font-size: 3rem;
  font-family: var(--font-en), var(--font-cn);
  font-weight: 700;
  line-height: 1.2;
}

.stats-item__label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
}

@media (max-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stats-item .counter {
    font-size: 2.25rem;
  }
}

/* --- 核心优势网格 --- */
.advantages-grid {
  gap: 28px;
}

.advantage-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

.advantage-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.advantage-item__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(1, 191, 113, 0.1), rgba(1, 122, 77, 0.1));
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.advantage-item__icon svg {
  width: 26px;
  height: 26px;
}

.advantage-item__content {
  flex: 1;
  min-width: 0;
}

.advantage-item__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.advantage-item__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .advantage-item {
    flex-direction: column;
    gap: 12px;
    padding: 24px;
  }
}

/* --- 行业领域网格 --- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: all var(--transition-base);
}

.industry-tile:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-bottom: 3px solid var(--color-primary);
}

.industry-tile__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(1, 191, 113, 0.1), rgba(1, 122, 77, 0.1));
  border-radius: var(--radius-md);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.industry-tile__icon svg {
  width: 24px;
  height: 24px;
}

.industry-tile:hover .industry-tile__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.industry-tile:hover .industry-tile__icon svg {
  stroke: white;
}

.industry-tile__name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-700);
  text-align: center;
}

.industry-tile:hover .industry-tile__name {
  color: var(--color-primary-dark);
}

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

@media (max-width: 768px) {
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .industry-tile {
    padding: 20px 12px;
  }
}

@media (max-width: 480px) {
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- CTA 区域 --- */
.cta-section {
  background: var(--gradient-dark);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(1, 191, 113, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-section__desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin: 0 auto 36px;
}

.cta-section__actions {
  margin-bottom: 0;
}

.cta-section__contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.cta-section__contact a {
  color: rgba(255, 255, 255, 0.85) !important;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  transition: color var(--transition-base);
  text-decoration: none;
}

.cta-section__contact a:hover {
  color: var(--color-white);
}

.cta-section__sep {
  color: rgba(255, 255, 255, 0.3);
  font-size: 1rem;
}

@media (max-width: 768px) {
  .cta-section {
    padding: 56px 0;
  }

  .cta-section__title {
    font-size: 1.5rem;
  }

  .cta-section__contact {
    flex-direction: column;
    gap: 12px;
  }

  .cta-section__sep {
    display: none;
  }
}

/* ====== Hero 背景图叠加 ====== */
.hero .hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
  z-index: 0;
}

/* 内页hero的渐变背景降为65%透明度，叠加在图片上方 */
#hero-about .hero__bg,
#hero-tech .hero__bg {
  opacity: 0.65;
}

#hero-apps .hero__bg {
  opacity: 1;
}