/**
 * SmartOffice Pro — 智慧办公企业站主题
 * 深灰科技基底 + 科技蓝(#2563EB) + 亮青点缀
 * 毛玻璃卡片 + 科技蓝边框 + 数据流动画
 * 纯原生 CSS，AOS + Swiper + FA6
 * PBootCMS V3.x 第三方模板模式
 */

/* ============================================================
   CSS 变量体系 — Dark Tech Theme
   ============================================================ */
:root {
  /* 基底色 */
  --bg-deep: #0A0A0A;
  --bg-primary: #1A1A1A;
  --bg-surface: #252525;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-input: rgba(255, 255, 255, 0.05);

  /* 品牌色 */
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-dim: rgba(37, 99, 235, 0.15);
  --blue-glow: rgba(37, 99, 235, 0.3);
  --cyan: #06B6D4;
  --cyan-dim: rgba(6, 182, 212, 0.15);
  --cyan-glow: rgba(6, 182, 212, 0.25);

  /* 文字 */
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* 边框 */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(37, 99, 235, 0.2);

  /* 阴影 */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-blue: 0 0 30px rgba(37, 99, 235, 0.15);
  --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.1);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 间距 */
  --section-py: 100px;
  --container-max: 1280px;
  --header-h: 72px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;

  /* 字体 — 系统原生，中文优先，无需外链加载 */
  --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'HarmonyOS Sans', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
}

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

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

body {
  background: var(--bg-deep);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 深邃背景渐变 */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 30% 0%, rgba(37, 99, 235, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 70% 30%, rgba(6, 182, 212, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(37, 99, 235, 0.03) 0%, transparent 60%),
    linear-gradient(180deg, #0A0A0A 0%, #1A1A1A 50%, #0F0F0F 100%);
}

::selection { background: rgba(37, 99, 235, 0.3); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(37,99,235,0.3); }

a { color: inherit; text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

input, textarea, select, button {
  font-family: inherit; font-size: inherit;
  background: var(--bg-input); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-primary);
  padding: 12px 16px; transition: all var(--duration-fast) var(--ease-out);
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 1; }

/* ============================================================
   排版
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--blue-light); margin-bottom: 0.75rem;
}
.section-tag::before {
  content: ''; display: block; width: 24px; height: 1px;
  background: var(--blue); opacity: 0.6;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700; color: var(--text-primary);
  margin-bottom: 0.75rem; letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 600px; line-height: 1.7;
}

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

.section { padding: var(--section-py) 0; position: relative; }

/* 区块分割线 */
.section-divider {
  height: 1px; max-width: var(--container-max);
  margin: 0 auto; background: var(--border-subtle);
}

/* ============================================================
   Header — 深色毛玻璃
   ============================================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-normal) var(--ease-out);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.5);
}

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

/* Logo */
.header__logo {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0; margin-right: auto;
}
.header__logo-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff;
}
.header__logo-text {
  display: flex; flex-direction: column; line-height: 1.2;
}
.header__logo-name {
  font-family: var(--font-heading); font-size: 1.05rem;
  font-weight: 700; color: var(--text-primary);
}
.logo-short { display: none; } /* 桌面端隐藏短标题 */
.logo-full  { display: inline; }
.header__logo-sub {
  font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--blue-light);
}

/* 主导航 */
.header__nav { display: flex; align-items: center; gap: 2px; }
.header__nav-link {
  padding: 8px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out); white-space: nowrap;
}
.header__nav-link:hover,
.header__nav-link.active { color: #fff; background: rgba(255,255,255,0.06); }

/* 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; padding: 8px 0;
  background: rgba(26, 26, 26, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 60;
}
.header__dropdown a {
  display: block; padding: 10px 20px; font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}
.header__dropdown a:hover { color: #fff; background: rgba(255,255,255,0.05); }

/* 右侧操作区 */
.header__actions {
  display: flex; align-items: center; gap: 10px; margin-left: 20px;
}
.header__cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px; background: var(--blue);
  color: #fff; font-size: 0.85rem; font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.header__cta:hover { background: var(--blue-light); color: #fff; box-shadow: var(--shadow-blue); }

/* ============================================================
   汉堡菜单 (移动端) — 独立于 header__actions (13.4)
   ============================================================ */
.hamburger {
  display: none; width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: none; border: none; cursor: pointer;
  z-index: 110; margin-left: 8px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 1px;
  transition: all var(--duration-normal) var(--ease-out);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed; top: 0; left: 0; bottom: 0; width: 80%; max-width: 360px;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 120; transform: translateX(-100%);
  transition: transform var(--duration-normal) var(--ease-out);
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav__inner { padding: 24px; padding-top: 80px; }
.mobile-nav__link {
  display: block; padding: 14px 16px; font-size: 1rem;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.mobile-nav__link:hover { color: #fff; background: rgba(255,255,255,0.03); }
.mobile-nav__sub { padding-left: 16px; display: none; }
.mobile-nav__sub.open { display: block; }
.mobile-nav__sub a {
  display: block; padding: 10px 16px; font-size: 0.9rem;
  color: var(--text-muted); border-radius: var(--radius-sm);
}
.mobile-nav__parent { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav__arrow { font-size: 0.75rem; color: var(--text-muted); transition: transform var(--duration-normal) var(--ease-out); }
.mobile-nav__parent.open .mobile-nav__arrow { transform: rotate(180deg); color: var(--blue-light); }
.mobile-nav__overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 115; opacity: 0; pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.mobile-nav__overlay.show { opacity: 1; pointer-events: auto; }

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; font-size: 0.92rem; font-weight: 600;
  border-radius: var(--radius-sm); border: none;
  cursor: pointer; white-space: nowrap;
  transition: all var(--duration-normal) var(--ease-out);
  font-family: var(--font-heading);
}

.btn--primary {
  background: var(--blue); color: #fff;
}
.btn--primary:hover {
  background: var(--blue-light); color: #fff;
  box-shadow: var(--shadow-blue); transform: translateY(-1px);
}

.btn--outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-glow);
}
.btn--outline:hover {
  border-color: var(--blue); background: var(--blue-dim);
  color: #fff; transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255,255,255,0.03); color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.06); color: #fff;
}

.btn--lg { padding: 15px 36px; font-size: 1rem; border-radius: var(--radius-md); }

/* ============================================================
   卡片系统 — 深色毛玻璃
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-card), var(--shadow-blue);
  transform: translateY(-4px);
}

.card__image {
  position: relative; overflow: hidden; aspect-ratio: 16/10;
  background: rgba(37, 99, 235, 0.05);
}
.card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.card:hover .card__image img { transform: scale(1.05); }

.card__body { padding: 24px; }

.card__tag {
  display: inline-block; padding: 3px 10px; font-size: 0.72rem; font-weight: 600;
  color: var(--blue-light); background: var(--blue-dim);
  border-radius: 4px; margin-bottom: 8px;
}

.card__title {
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 6px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}

.card__desc {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.card__meta {
  display: flex; align-items: center; gap: 16px; margin-top: 16px;
  padding-top: 16px; border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem; color: var(--text-muted);
}
.card__meta i { color: var(--blue-light); }

/* 卡片发光边框 (hover) */
.card-glow { position: relative; }
.card-glow::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit;
  background: linear-gradient(135deg, var(--blue), var(--cyan), var(--blue));
  background-size: 200% 100%;
  z-index: -1; opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.card-glow:hover::before { opacity: 1; animation: borderShimmer 3s linear infinite; }

@keyframes borderShimmer {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative; height: 360px; overflow: hidden; background: var(--bg-primary);
}
.inner-banner__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.inner-banner__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.6) 0%, rgba(10,10,10,0.3) 50%, var(--bg-deep) 100%);
}
.inner-banner__content {
  position: relative; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
}
.inner-banner__title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: #fff; margin-bottom: 0.5rem;
}
.inner-banner__subtitle { font-size: 1.1rem; color: var(--text-secondary); }

/* 面包屑 */
.breadcrumb-bar { background: var(--bg-primary); border-bottom: 1px solid var(--border-subtle); }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  max-width: var(--container-max); margin: 0 auto;
  padding: 14px 24px; font-size: 0.85rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); transition: color var(--duration-fast); }
.breadcrumb a:hover { color: var(--blue-light); }
.breadcrumb i { font-size: 0.65rem; color: var(--text-muted); }

/* ============================================================
   首页 — Hero Banner (全屏)
   ============================================================ */
.hero {
  position: relative; height: 100vh; min-height: 700px; overflow: hidden;
  background: var(--bg-deep);
}

.hero .swiper { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}

.hero__overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.1) 50%, rgba(10,10,10,0.9) 100%);
}

/* 科技网格装饰 */
.hero__grid-bg {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0.06;
  background-image:
    linear-gradient(rgba(37,99,235,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__content {
  position: relative; z-index: 3; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: var(--container-max); margin: 0 auto;
  padding: 0 24px; padding-top: var(--header-h);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700; color: #fff; line-height: 1.1;
  margin-bottom: 1.25rem; max-width: 800px;
}
.hero__title span { color: var(--blue-light); }

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.7); max-width: 600px;
  margin-bottom: 2.5rem; line-height: 1.6;
}

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

/* Hero Swiper 进度条分页器 */
.hero-pagination {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; gap: 8px;
}
.hero-pagination .swiper-pagination-bullet {
  width: 60px; height: 2px; border-radius: 1px;
  background: rgba(255,255,255,0.3); opacity: 1;
  transition: all var(--duration-normal); cursor: pointer;
}
.hero-pagination .swiper-pagination-bullet-active {
  width: 80px; background: var(--blue);
  box-shadow: 0 0 10px var(--blue);
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%);
  z-index: 5; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.4); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  animation: scrollFloat 2s ease-in-out infinite;
}
.hero__scroll-line {
  width: 1px; height: 32px;
  background: linear-gradient(180deg, var(--blue), transparent);
}
@keyframes scrollFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   首页 — 数据效率区 (数字滚动)
   ============================================================ */
.stats-section {
  padding: 80px 0; background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative; overflow: hidden;
}
.stats-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 20% 50%, rgba(37,99,235,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(6,182,212,0.04) 0%, transparent 50%);
}

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

.stat-item { text-align: center; }
.stat-item__number {
  font-family: var(--font-heading); font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700; color: #fff; line-height: 1; margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.stat-item__number .highlight {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item__suffix { font-size: 1.5rem; color: var(--blue-light); font-weight: 700; }
.stat-item__label {
  font-size: 0.9rem; color: var(--text-muted); font-weight: 500;
}

/* ============================================================
   首页 — 解决方案五列网格
   ============================================================ */
.solutions-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}

.solution-card {
  text-align: center; padding: 40px 24px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative; overflow: hidden;
}
.solution-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0; transition: opacity var(--duration-normal);
}
.solution-card:hover {
  background: var(--bg-card-hover); border-color: var(--border-glow);
  transform: translateY(-6px); box-shadow: var(--shadow-blue);
}
.solution-card:hover::before { opacity: 1; }

.solution-card__icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  border-radius: var(--radius-md);
  background: var(--blue-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--blue-light);
  transition: all var(--duration-normal) var(--ease-out);
}
.solution-card:hover .solution-card__icon {
  background: var(--blue); color: #fff;
  box-shadow: var(--shadow-blue);
}

.solution-card__title {
  font-family: var(--font-heading); font-size: 1.05rem;
  font-weight: 600; color: var(--text-primary); margin-bottom: 8px;
}
.solution-card__desc {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.6;
}

/* ============================================================
   首页 — 场景实拍 (Swiper 画廊)
   ============================================================ */
.scene-swiper { overflow: hidden; padding: 0 24px; }
.scene-slide {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/9;
}
.scene-slide img { width: 100%; height: 100%; object-fit: cover; }
.scene-slide__tag {
  position: absolute; bottom: 20px; left: 20px;
  padding: 6px 16px; background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full); font-size: 0.82rem;
  color: #fff; font-weight: 500;
}

/* ============================================================
   首页 — 客户案例 Logo 墙
   ============================================================ */
.case-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.case-card {
  padding: 32px 24px; text-align: center;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}
.case-card:hover {
  border-color: var(--border-glow); background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.case-card__logo {
  height: 48px; margin: 0 auto 16px; display: flex; align-items: center;
  justify-content: center; font-size: 2rem; color: var(--text-muted);
}
.case-card:hover .case-card__logo { color: var(--blue-light); }
.case-card__name {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 4px;
}
.case-card__scale { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   首页 — 行业洞察 (左图右文)
   ============================================================ */
.insight-item {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px;
  padding: 24px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  margin-bottom: 16px; transition: all var(--duration-normal) var(--ease-out);
  align-items: center;
}
.insight-item:hover {
  border-color: var(--border-glow); background: var(--bg-card-hover);
}
.insight-item__image {
  border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/10;
  background: rgba(37,99,235,0.05);
}
.insight-item__image img { width: 100%; height: 100%; object-fit: cover; }
.insight-item__title {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 8px;
}
.insight-item__desc {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.insight-item__date { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

/* ============================================================
   首页 — 生态集成
   ============================================================ */
.eco-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.eco-item {
  padding: 24px; text-align: center;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  font-size: 1.5rem; color: var(--text-muted);
}
.eco-item:hover { border-color: var(--border-glow); color: var(--blue-light); }
.eco-item__name { font-size: 0.82rem; margin-top: 8px; font-weight: 500; }

/* ============================================================
   首页 — CTA 区
   ============================================================ */
.cta-section {
  text-align: center; padding: 100px 0; position: relative; overflow: hidden;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section__title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 700;
  color: #fff; margin-bottom: 1rem; position: relative;
}
.cta-section__actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-top: 32px;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--bg-deep); border-top: 1px solid var(--border-subtle);
}
.footer__top-line { height: 2px; background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent); }

.footer__grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
  padding: 64px 0 40px; max-width: var(--container-max);
  margin: 0 auto; padding-left: 24px; padding-right: 24px;
}

.footer__brand-desc {
  font-size: 0.88rem; color: var(--text-secondary);
  line-height: 1.7; margin: 16px 0;
}

.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.04);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.95rem;
  transition: all var(--duration-fast) var(--ease-out);
}
.footer__social a:hover { background: var(--blue); color: #fff; }

.footer__col-title {
  font-family: var(--font-heading); font-size: 1rem;
  font-weight: 600; color: var(--text-primary); margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 0.88rem; color: var(--text-secondary);
  transition: color var(--duration-fast);
}
.footer__links a:hover { color: var(--blue-light); }
.footer__contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 10px;
}
.footer__contact-item i { color: var(--blue-light); margin-top: 3px; flex-shrink: 0; }

.footer__bottom {
  border-top: 1px solid var(--border-subtle); padding: 20px 0;
}
.footer__bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
  font-size: 0.8rem; color: var(--text-muted); flex-wrap: wrap; gap: 8px;
}
.footer__bottom a { color: var(--text-muted); }
.footer__bottom a:hover { color: var(--blue-light); }

/* 友情链接 */
.friend-links {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  padding: 16px 0;
}
.friend-links__label { font-size: 0.82rem; color: var(--text-muted); flex-shrink: 0; }
.friend-links a { font-size: 0.82rem; color: var(--text-muted); }
.friend-links a:hover { color: var(--blue-light); }

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed; right: 24px; bottom: 80px; width: 44px; height: 44px;
  border-radius: 50%; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; cursor: pointer; z-index: 80;
  opacity: 0; pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* 在线客服按钮 */
.online-kf {
  position: fixed; right: 24px; bottom: 136px; width: 44px; height: 44px;
  border-radius: 50%; background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; cursor: pointer; z-index: 80;
  box-shadow: var(--shadow-blue); border: none;
  transition: all var(--duration-normal) var(--ease-out);
}
.online-kf:hover { background: var(--blue-light); transform: scale(1.1); }

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

.list-header {
  text-align: center; margin-bottom: 48px;
}

/* 子栏目过滤栏 */
.filter-bar {
  display: flex; align-items: center; gap: 8px; overflow-x: auto;
  padding-bottom: 8px; margin-bottom: 36px;
  -ms-overflow-style: none; scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-bar a {
  display: inline-flex; padding: 8px 18px; font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full); white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out); flex-shrink: 0;
}
.filter-bar a:hover, .filter-bar a.active {
  color: #fff; border-color: var(--blue); background: var(--blue-dim);
}

/* ============================================================
   详情页
   ============================================================ */
.detail {
  max-width: 860px; margin: 0 auto;
}
.detail__header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border-subtle); }
.detail__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 12px;
}
.detail__meta {
  display: flex; flex-wrap: wrap; gap: 20px;
  font-size: 0.85rem; color: var(--text-muted);
}
.detail__meta i { margin-right: 4px; color: var(--blue-light); }

/* 详情参数卡片 */
.detail__params {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 32px;
}
.detail__param {
  padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  text-align: center;
}
.detail__param-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; }
.detail__param-value { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; color: var(--text-primary); }

/* 详情正文 */
.detail__body {
  color: var(--text-secondary); line-height: 2;
  font-size: 0.95rem; letter-spacing: 0.015em;
}
.detail__body img { border-radius: var(--radius-md); margin: 24px 0; max-width: 100%; }
.detail__body p { margin-bottom: 16px; }
.detail__body h2, .detail__body h3, .detail__body h4 {
  font-family: var(--font-heading); color: var(--text-primary);
  margin-top: 32px; margin-bottom: 16px;
}

/* 上下篇 */
.detail__pager {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.88rem; color: var(--text-muted);
}
.detail__pager a { color: var(--text-secondary); }
.detail__pager a:hover { color: var(--blue-light); }

/* 相关推荐 */
.related-title { font-size: 1.35rem; font-weight: 700; margin: 56px 0 24px; color: var(--text-primary); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ============================================================
   联系我们 / 预约演示
   ============================================================ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.contact-info__item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  margin-bottom: 12px; transition: all var(--duration-fast) var(--ease-out);
}
.contact-info__item:hover { border-color: var(--border-glow); }
.contact-info__icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--blue-dim); display: flex;
  align-items: center; justify-content: center;
  color: var(--blue-light); flex-shrink: 0; font-size: 1rem;
}
.contact-info__label { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.contact-info__value { font-size: 0.88rem; color: var(--text-secondary); }

.contact-form-card {
  padding: 40px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.85rem; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500;
}
.form-group label .required { color: #EF4444; }
.form-control {
  width: 100%; padding: 13px 16px; background: var(--bg-input);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.9rem;
  transition: all var(--duration-fast) var(--ease-out);
}
.form-control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim); }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ============================================================
   搜索页
   ============================================================ */
.search-form-row {
  display: flex; gap: 10px; max-width: 700px; margin: 0 auto;
}
.search-input-wrap { position: relative; flex: 1; }
.search-input-wrap i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.95rem;
}
.search-input-wrap input {
  width: 100%; padding: 15px 20px 15px 44px;
  background: var(--bg-input); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.95rem;
}
.search-input-wrap input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim); outline: none; }

.search-result-item {
  display: flex; gap: 20px; padding: 20px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); transition: all var(--duration-fast); margin-bottom: 10px;
}
.search-result-item:hover { border-color: var(--border-glow); background: var(--bg-card-hover); }
.search-result-item__thumb {
  width: 120px; height: 90px; border-radius: var(--radius-sm);
  overflow: hidden; flex-shrink: 0; background: rgba(37,99,235,0.05);
}
.search-result-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.search-result-item__info { flex: 1; min-width: 0; }
.search-result-item__title {
  font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.search-result-item__date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
.search-result-item__desc {
  font-size: 0.85rem; color: var(--text-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: 4px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 8px;
  font-size: 0.88rem; color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.pagination a:hover { background: rgba(255,255,255,0.05); color: #fff; }
.pagination .active { background: var(--blue); color: #fff; font-weight: 600; }
.pagination .disabled { color: var(--text-muted); pointer-events: none; opacity: 0.5; }

/* 空状态 */
.empty-state {
  text-align: center; padding: 80px 20px;
}
.empty-state i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; display: block; }
.empty-state p { color: var(--text-muted); font-size: 0.95rem; }

/* ============================================================
   关于我们页
   ============================================================ */
.about-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-intro__image {
  border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
  border: 1px solid var(--border-subtle);
}
.about-intro__image img { width: 100%; height: 100%; object-fit: cover; }

/* 团队网格 */
.team-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.team-card {
  text-align: center; padding: 32px 20px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); transition: all var(--duration-normal) var(--ease-out);
}
.team-card:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.team-card__avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--blue-dim); display: flex; align-items: center;
  justify-content: center; font-size: 2rem; color: var(--blue-light);
}
.team-card__name { font-family: var(--font-heading); font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.team-card__role { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* ============================================================
   Tab 切换 (方案详情)
   ============================================================ */
.tabs {
  display: flex; gap: 4px; border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}
.tab-btn {
  padding: 12px 24px; font-size: 0.9rem; font-weight: 500;
  color: var(--text-muted); border: none; background: none;
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
}
.tab-btn.active { color: var(--blue-light); border-bottom-color: var(--blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   动画系统
   ============================================================ */

/* 浮动粒子/数据光点 */
@keyframes particleRise {
  0% { transform: translateY(0) scale(1); opacity: 0.6; }
  100% { transform: translateY(-80px) scale(0); opacity: 0; }
}

/* 按钮脉冲 */
@keyframes btnPulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}
.btn--primary.pulse { animation: btnPulse 2s infinite; }

/* 光晕呼吸 */
@keyframes glowBreathe {
  0%, 100% { box-shadow: 0 0 10px rgba(37, 99, 235, 0.1); }
  50% { box-shadow: 0 0 25px rgba(37, 99, 235, 0.25), 0 0 50px rgba(37, 99, 235, 0.1); }
}

/* 微光扫过 */
@keyframes shimmer {
  0% { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}
.shimmer-overlay { position: relative; overflow: hidden; }
.shimmer-overlay::after {
  content: ''; position: absolute; top: 0; left: 0; width: 60%; height: 100%;
  background: linear-gradient(90deg,
    transparent 0%, rgba(255,255,255,0.02) 40%,
    rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.02) 60%,
    transparent 100%);
  transform: translateX(-100%) skewX(-15deg);
  pointer-events: none;
}
.shimmer-overlay:hover::after { animation: shimmer 0.8s ease-in-out; }

/* AOS 覆盖 */
[data-aos] { transition-timing-function: var(--ease-out); }

/* Swiper 画廊入场 */
@keyframes slideReveal {
  0% { opacity: 0; transform: scale(0.95) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

/* ============================================================
   响应式 — 平板 (≤1023px)
   ============================================================ */
@media (max-width: 1023px) {
  :root { --section-py: 70px; }
  .header__nav, .header__actions { display: none; }
  .hamburger { display: flex; }

  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
  .solutions-grid .solution-card:last-child { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .eco-grid { grid-template-columns: repeat(3, 1fr); }
  .list-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 32px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-item { grid-template-columns: 1fr; }
  .hero__scroll { display: none; }

  /* 防溢出 */
  .container { padding: 0 20px; }
  .hero__content { padding-left: 20px; padding-right: 20px; }
}

/* ============================================================
   响应式 — 手机 (≤767px)
   ============================================================ */
@media (max-width: 767px) {
  :root { --section-py: 56px; }

  /* ===== 防溢出：杜绝横向滚动条 ===== */
  html { overflow-x: hidden; }
  body { overflow-x: hidden; }

  .container { padding: 0 16px; }

  /* ===== 内联 Grid 塌缩：手机端内联多列 grid 全部改单列（方案/产品详情等） ===== */
  [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* ===== 预约演示 2h/免费 卡片：保持一行两个（不受上面全局塌缩影响） ===== */
  .demo-stats { grid-template-columns: 1fr 1fr !important; gap: 12px !important; }

  /* ===== Hero 分页条：修复 Swiper 默认样式覆盖导致偏左（left:0 + width:100%），改回水平居中 ===== */
  .hero-pagination {
    left: 50% !important;
    right: auto !important;
    width: auto !important;
    transform: translateX(-50%) !important;
    justify-content: center;
  }

  /* 防溢出：所有 grid/flex 子元素不撑破父容器 */
  .solutions-grid > *,
  .stats-grid > *,
  .case-grid > *,
  .eco-grid > *,
  .list-grid > *,
  .related-grid > *,
  .team-grid > *,
  .footer__grid > *,
  .insight-item,
  .detail__params > *,
  .contact-grid > *,
  .about-intro > *,
  .pagination { min-width: 0; }

  /* ===== Hero ===== */
  /* 手机端适当缩短 Banner（85vh→62svh），并规避手机地址栏导致的 vh 溢出 */
  .hero { height: 58vh; min-height: 460px; }
  @supports (height: 62svh) { .hero { height: 62svh; } }
  .hero__content { padding: 100px 12px 0; }
  .hero__title { font-size: clamp(1.75rem, 8vw, 2.5rem); }
  .hero__subtitle { font-size: 0.95rem; }
  .hero__actions { flex-direction: column; gap: 10px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero-pagination { bottom: 28px; gap: 5px; }
  .hero-pagination .swiper-pagination-bullet { width: 36px; }
  .hero-pagination .swiper-pagination-bullet-active { width: 48px; }

  .inner-banner { height: 220px; }
  .inner-banner__content { padding: 0 16px; }
  .section-title { font-size: clamp(1.4rem, 6vw, 1.8rem); }

  /* ===== 导航 ===== */
  .header__inner { padding: 0 12px; }
  .header__logo-sub { display: none; } /* 手机端隐藏副标题 */
  .header__logo-name { font-size: 0.95rem; }
  .logo-short { display: inline; }  /* 手机端显示短标题 */
  .logo-full  { display: none; }    /* 手机端隐藏长标题 */

  /* ===== 解决方案卡片（一行 4 个） ===== */
  .solutions-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .solution-card { padding: 20px 6px; }
  .solution-card__icon { width: 44px; height: 44px; font-size: 1.1rem; margin-bottom: 10px; }
  .solution-card__title { font-size: 0.85rem; }
  .solution-card__desc { font-size: 0.72rem; }

  /* ===== 数据统计 ===== */
  .stats-section { padding: 48px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
  .stat-item__number { font-size: 1.75rem; }

  /* ===== 关于我们页统计：四个一行 ===== */
  .stats-about .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .stats-about .stat-item__number { font-size: 1.6rem; }
  .stats-about .stat-item__suffix { font-size: 1.1rem; }
  .stats-about .stat-item__label { font-size: 0.78rem; }

  /* ===== 案例（压缩） ===== */
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .case-card { padding: 16px 10px; }
  .case-card__logo { height: 34px; margin-bottom: 10px; font-size: 1.5rem; }
  .case-card__name { font-size: 0.85rem; margin-bottom: 2px; }
  .case-card__scale { font-size: 0.72rem; }

  /* ===== 生态 ===== */
  .eco-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .eco-item { padding: 16px 8px; font-size: 1.2rem; }
  .eco-item__name { font-size: 0.72rem; }

  /* ===== 洞察/新闻列表 ===== */
  .insight-item { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
  .insight-item__image { aspect-ratio: 16/9; }
  .insight-item__title { font-size: 1rem; }

  /* ===== 行业洞察/新闻资讯列表页：压缩为横向小卡 ===== */
  .insights-list .insight-item,
  .news-list .insight-item { grid-template-columns: 96px 1fr; gap: 14px; padding: 14px; margin-bottom: 12px; }
  .insights-list .insight-item__image,
  .news-list .insight-item__image { aspect-ratio: auto; width: 96px; height: 72px; }
  .insights-list .insight-item__title,
  .news-list .insight-item__title { font-size: 0.95rem; margin-bottom: 4px; }
  .insights-list .insight-item__desc,
  .news-list .insight-item__desc { font-size: 0.8rem; -webkit-line-clamp: 2; }
  .insights-list .insight-item__date,
  .news-list .insight-item__date { font-size: 0.72rem; margin-top: 4px; }

  /* ===== 行业洞察 / 新闻资讯（首页区）：留 1 条 + 压缩为横向小卡 ===== */
  .insights-section .insight-item + .insight-item,
  .news-section .insight-item + .insight-item { display: none; }
  .insights-section .insight-item,
  .news-section .insight-item { grid-template-columns: 96px 1fr; gap: 14px; padding: 14px; }
  .insights-section .insight-item__image,
  .news-section .insight-item__image { aspect-ratio: auto; width: 96px; height: 72px; }
  .insights-section .insight-item__title,
  .news-section .insight-item__title { font-size: 0.95rem; margin-bottom: 4px; }
  .insights-section .insight-item__desc,
  .news-section .insight-item__desc { font-size: 0.8rem; -webkit-line-clamp: 2; }
  .insights-section .insight-item__date,
  .news-section .insight-item__date { font-size: 0.72rem; margin-top: 4px; }

  /* ===== CTA ===== */
  .cta-section { padding: 64px 20px; }
  .cta-section__actions { flex-direction: column; align-items: center; gap: 12px; }
  .cta-section__actions .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* ===== 列表页 ===== */
  .list-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .filter-bar { padding: 0 0 8px 0; margin-bottom: 24px; }
  .filter-bar a { padding: 6px 14px; font-size: 0.8rem; }

  /* ===== 详情页 ===== */
  .detail__params { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .detail__param { padding: 14px 10px; }
  .detail__param-value { font-size: 0.9rem; }
  .detail__pager { flex-direction: column; gap: 8px; text-align: center; }
  .search-result-item { flex-direction: column; }
  .search-result-item__thumb { width: 100%; height: 160px; }

  /* ===== 联系/预约 ===== */
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-form-card { padding: 20px; }
  .contact-info__item { padding: 14px; }

  /* ===== 关于我们 ===== */
  .about-intro { grid-template-columns: 1fr; gap: 24px; }
  .team-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .team-card { padding: 16px 4px; }
  .team-card__avatar { width: 52px; height: 52px; font-size: 1.3rem; margin-bottom: 10px; }
  .team-card__name { font-size: 0.85rem; }
  .team-card__role { font-size: 0.7rem; margin-top: 2px; }

  /* ===== 页脚 ===== */
  .footer__grid { grid-template-columns: 1fr; gap: 28px; padding: 40px 16px 24px; }
  .footer__brand-desc { font-size: 0.82rem; }
  .footer__bottom-inner { flex-direction: column; text-align: center; padding: 0 16px; }

  /* ===== Footer 解决方案/快速链接：手机端一行排开 ===== */
  .footer__col-solutions .footer__links,
  .footer__col-quick .footer__links { flex-direction: row; flex-wrap: wrap; gap: 8px 12px; }

  /* ===== 浮动按钮 ===== */
  .back-top, .online-kf { right: 10px; width: 38px; height: 38px; font-size: 0.9rem; }
  .back-top { bottom: 60px; }
  .online-kf { bottom: 108px; }

  /* ===== Swiper 场景实拍 ===== */
  .scene-swiper-container { padding: 0 12px; overflow: hidden; }
  .scene-swiper { padding: 0; overflow: hidden; }
  .scene-slide { aspect-ratio: 4/3; }
  .scene-slide__tag { bottom: 12px; left: 12px; padding: 4px 12px; font-size: 0.72rem; }

  /* ===== 面包屑 ===== */
  .breadcrumb { padding: 10px 16px; font-size: 0.8rem; }

  /* ===== 表单 ===== */
  .form-group label { font-size: 0.82rem; }
  .form-control { padding: 10px 14px; font-size: 0.85rem; }
}

/* ============================================================
   响应式 — 超小屏 (≤374px)
   ============================================================ */
@media (max-width: 374px) {
  .container { padding: 0 12px; }
  .hero__title { font-size: 1.5rem; }
  .hero__subtitle { font-size: 0.85rem; }
  .solutions-grid { gap: 8px; }
  .solution-card { padding: 20px 10px; }
  .solution-card__icon { width: 40px; height: 40px; font-size: 1rem; }
  .solution-card__title { font-size: 0.82rem; }
  .case-grid { gap: 8px; }
  .case-card { padding: 20px 10px; }
  .eco-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .inner-banner { height: 180px; }
}

/* ============================================================
   减少动画偏好
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}