/* ============================================================
   天地星通 — B2B 科技蓝 全站样式
   设计规范 v0.2 | 参考云启信科架构
   ============================================================ */
:root {
  /* 主色系 */
  --primary: #333FC8;
  --primary-dark: #1F2A8F;
  --primary-light: #2764EA;
  --accent: #4DB6FF;
  --accent-bright: #82CFFF;
  --deep-bg: #111827;

  /* 中性色 */
  --gray-900: #111827;
  --gray-700: #37474F;
  --gray-500: #78909C;
  --gray-300: #B0BEC5;
  --gray-100: #ECEFF1;
  --gray-50: #F3F4F6;
  --white: #FFFFFF;

  /* 功能色 */
  --success: #2E7D32;
  --warning: #F57C00;
  --error: #C62828;
  --info: #0277BD;

  /* 字体 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Consolas", monospace;

  /* 间距 */
  --space-xs: 4px; --space-sm: 8px; --space-md: 16px;
  --space-lg: 24px; --space-xl: 32px; --space-2xl: 48px;
  --space-3xl: 64px; --space-4xl: 80px;

  /* 圆角 */
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);

  /* 过渡 */
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.6;
  font-size: 14px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.text-center { text-align: center; }
.hidden { display: none; }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(135deg, #03060F 0%, #050A18 45%, #0A1430 100%);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  transition: var(--transition-normal);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.35); }
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 8px; }
.nav-wrap .logo { margin-left: -16px; }
.logo-img { height: 40px; width: auto; max-width: 180px; object-fit: contain; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: 700;
}
.logo-text { font-size: 18px; font-weight: 700; color: var(--primary); }
.logo-text small { display: block; font-size: 11px; font-weight: 400; color: var(--gray-500); letter-spacing: 1px; }
.nav-menu { display: flex; gap: 24px; align-items: center; }
.nav-item {
  font-size: 17px; font-weight: 500; color: rgba(255,255,255,0.9);
  padding: 4px 0; position: relative; transition: var(--transition-fast);
  white-space: nowrap;
}
.nav-item:hover { color: #fff; }
.nav-item.active { color: #fff; }
.nav-item.active::after {
  content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
  height: 2px; background: var(--accent-bright); border-radius: 2px;
}

/* ============ 导航下拉菜单 ============ */
.nav-item-wrap { position: relative; }
.nav-item-wrap .nav-item { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.nav-item-wrap .arrow {
  font-size: 10px; color: rgba(255,255,255,0.7); transition: transform var(--transition-fast);
}
.nav-item-wrap:hover .arrow { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute; top: 100%; left: -16px; min-width: 220px;
  background: rgba(10,20,48,0.96); border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 200;
}
.nav-item-wrap:hover .nav-dropdown,
.nav-item-wrap:focus-within .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a {
  display: block;
  padding: 10px 16px; font-size: 14px; font-weight: 400;
  color: rgba(255,255,255,0.9); border-radius: var(--radius-sm); transition: var(--transition-fast);
}
.nav-dropdown a:hover { background: rgba(255,255,255,0.12); color: #fff; padding-left: 18px; }
.nav-dropdown::before {
  content: ''; position: absolute; top: -8px; left: 0; right: 0; height: 8px;
}
.nav-cta .btn { padding: 8px 20px; font-size: 13px; }

/* ============ 顶部服务热线 ============ */
.nav-hotline {
  display: flex; align-items: center; gap: 10px;
  padding-left: 20px; border-left: 1px solid rgba(255,255,255,0.15);
  white-space: nowrap;
}
.nav-hotline .hl-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px;
  flex-shrink: 0;
}
.nav-hotline .hl-text { display: flex; flex-direction: column; line-height: 1.25; }
.nav-hotline .hl-label { font-size: 11px; color: rgba(255,255,255,0.7); }
.nav-hotline .hl-number {
  font-size: 17px; font-weight: 700; color: #fff;
  font-family: var(--font-mono); letter-spacing: 0.5px;
  cursor: default; user-select: all;
}

/* Header 内 CTA 按钮改为白色边框透明底 */
.site-header .nav-cta.btn-primary {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}
.site-header .nav-cta.btn-primary:hover {
  background: rgba(255,255,255,0.15); border-color: #fff;
}

.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; position: relative;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px; background: rgba(255,255,255,0.9);
  margin: 5px auto; border-radius: 2px; transition: var(--transition-fast);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 500; font-family: var(--font-sans);
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  padding: 12px 28px; min-height: 40px; transition: var(--transition-fast);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--gray-100); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.6); }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-ghost { background: transparent; color: var(--gray-700); padding: 8px 16px; }
.btn-ghost:hover { background: var(--gray-100); }

/* ============ Hero 区（宇宙 3D · 2026-09-17 重构） ============ */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #03060F 0%, #050A18 45%, #0A1430 100%);
  color: #fff; padding: 0;
  /* 占满首屏：视口高度 - 导航栏72px，小窗口下不低于600px */
  min-height: max(600px, calc(100vh - 72px));
}
/* 宇宙 3D 画布（真实地球+卫星+流星+星空，全幅铺满 Hero） */
#hero-canvas {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0; transition: opacity 1.2s ease; /* 纹理就绪后由 JS 加 .ready 淡入 */
}
#hero-canvas.ready { opacity: 1; }
#hero-canvas canvas { display: block; width: 100%; height: 100%; }
/* 底部装饰线 */
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--accent) 0%, var(--accent-bright) 100%);
  z-index: 6;
}
/* 文案：左侧垂直居中覆盖在 3D 场景上，径向遮罩保证可读性 */
.hero-copy {
  position: absolute; left: 64px; top: 50%; transform: translateY(-50%);
  z-index: 10; max-width: 560px; pointer-events: none;
}
.hero-copy::before {
  content: ''; position: absolute; inset: -90px -130px -90px -130px;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(5, 10, 24, 0.94) 0%,
    rgba(5, 10, 24, 0.6) 38%,
    rgba(5, 10, 24, 0) 74%
  );
  z-index: -1; pointer-events: none;
}
.hero-copy .hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  color: var(--accent-bright); text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 20px; backdrop-filter: blur(4px);
}
.hero-copy .hero-eyebrow::before { content: '●'; font-size: 8px; color: var(--accent-bright); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-copy h1 {
  font-size: 46px; font-weight: 800; line-height: 1.25; margin-bottom: 18px;
  letter-spacing: 1px;
  background: linear-gradient(180deg, #fff 55%, rgba(255,255,255,0.82));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-copy p { font-size: 16px; opacity: 0.85; margin-bottom: 32px; max-width: 500px; line-height: 1.9; }

/* ============ 区块通用 ============ */
.section { padding: 80px 0; }
/* 数据统计区块：上下留白减半（2026-09-17） */
.section-stats { padding: 40px 0; }
.section-alt { background: var(--white); }
.section-head { text-align: left; margin: 0 0 48px; }
.section-tag {
  display: inline-block; font-size: 16px; font-weight: 600;
  color: var(--primary); letter-spacing: 2px;
  margin-bottom: 12px; background: rgba(51,63,200,0.08);
  padding: 4px 12px; border-radius: 4px;
}
.section-head h2 { text-align: center; font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.section-head p { text-align: center; font-size: 15px; color: var(--gray-500); }

/* ============ 行业解决方案（选项卡） ============ */
.solution-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 32px; }
.solution-tab {
  padding: 10px 20px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--gray-100); border-radius: 4px;
  background: var(--white); cursor: pointer; transition: var(--transition-fast);
  color: var(--gray-700);
}
.solution-tab:hover { border-color: var(--primary); color: var(--primary); }
.solution-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.solution-panel { display: none; }
.solution-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.solution-content { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.solution-img {
  border-radius: var(--radius-lg); background: linear-gradient(135deg, #EEF0FF, #E3F2FD);
  aspect-ratio: 4 / 3; height: auto; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; font-size: 56px;
}
.solution-img img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; display: block;
}
.solution-img .solution-img-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: 14px; color: var(--gray-500); text-align: center; line-height: 1.8;
}
.solution-copy h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; color: var(--primary); }
.solution-copy p { font-size: 14px; color: var(--gray-700); line-height: 1.8; margin-bottom: 16px; }
.solution-points li { display: flex; gap: 8px; font-size: 14px; color: var(--gray-700); margin-bottom: 8px; }
.solution-points li::before { content: '✓'; color: var(--primary); font-weight: 700; }

/* ============ 卡片网格 ============ */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: start; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); transition: var(--transition-normal);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-img { aspect-ratio: 1 / 1; background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 40px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition-normal); }
.card:hover .card-img img { transform: scale(1.05); }
.no-thumb { fill: var(--gray-300); }
.card-body { padding: 12px 16px 14px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 14px; font-weight: 600; margin-bottom: 0; text-align: center; line-height: 1.4; }
.card-body p { font-size: 13px; color: var(--gray-500); line-height: 1.6; margin-bottom: 12px; flex: 1; }
.card-tag {
  display: inline-block; font-size: 12px; font-weight: 500;
  background: rgba(51,63,200,0.08); color: var(--primary);
  padding: 4px 10px; border-radius: 4px; margin-bottom: 12px;
}
.card-link { font-size: 13px; font-weight: 500; color: var(--primary); }
.card-link:hover { text-decoration: underline; }
.card { display: flex; flex-direction: column; }

/* ============ 关于 ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-copy h2 { font-size: 28px; font-weight: 600; margin-bottom: 16px; }
.about-copy p { font-size: 14px; color: var(--gray-700); line-height: 1.8; margin-bottom: 16px; }
.about-copy .highlight { color: var(--primary); font-weight: 600; }
.about-img {
  border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--primary), var(--primary-light));
  height: 300px; display: flex; align-items: center; justify-content: center; font-size: 64px; color: #fff;
  position: relative; overflow: hidden;
}
.about-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  border-radius: inherit;
}
/* 首页公司简介图片区：按 3:2 比例适配 1920×1272 新图 */
#about .about-img { height: auto; aspect-ratio: 3 / 2; }

/* ============ 数据统计 ============ */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-box {
  text-align: center; padding: 32px 20px;
  background: var(--white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); transition: var(--transition-fast);
  border-bottom: 3px solid transparent;
}
.stat-box:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-bottom-color: var(--primary); }
.stat-num {
  font-size: 44px; font-weight: 800; color: var(--primary);
  font-family: var(--font-mono); line-height: 1.1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 13px; color: var(--gray-500); margin-top: 10px; }

/* ============ 合作伙伴 ============ */
.partner-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.partner-item {
  height: 88px; background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--gray-500); font-weight: 500; transition: var(--transition-fast);
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); }
/* 合作伙伴 Logo 墙（2026-09-17；文字墙已移除，logo 墙为唯一伙伴展示） */
.partner-logos {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.partner-logo-item {
  height: 96px; background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  padding: 16px 20px; transition: var(--transition-fast);
}
.partner-logo-item img {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain; opacity: 0.82; transition: var(--transition-fast);
}
.partner-logo-item:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.partner-logo-item:hover img { opacity: 1; }

/* ============ 选择理由 ============ */
.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reason-box {
  background: var(--white); border-radius: var(--radius-md); padding: 28px;
  box-shadow: var(--shadow-sm); transition: var(--transition-normal);
  border-top: 3px solid transparent;
}
.reason-box:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-top-color: var(--primary); }
.reason-box .icon { font-size: 28px; margin-bottom: 12px; }
.reason-box .icon-svg {
  display: inline-flex; width: 52px; height: 52px; align-items: center; justify-content: center;
  background: rgba(51,63,200,0.08); border-radius: 12px; margin-bottom: 14px;
  transition: var(--transition-fast);
}
.reason-box:hover .icon-svg { background: var(--primary); }
.reason-box:hover .icon-svg svg { stroke: #fff; }
.reason-box .icon-svg svg {
  width: 26px; height: 26px; stroke: var(--primary); stroke-width: 1.8;
  fill: none; stroke-linecap: round; stroke-linejoin: round; transition: var(--transition-fast);
}
.reason-box h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.reason-box p { font-size: 13px; color: var(--gray-500); line-height: 1.7; }

/* ============ 新闻 ============ */
.news-item { display: flex; gap: 16px; align-items: center; padding: 20px; background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: var(--transition-fast); }
.news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.news-date { text-align: center; flex-shrink: 0; width: 72px; padding: 8px; background: rgba(51,63,200,0.08); border-radius: var(--radius-sm); }
.news-date .day { font-size: 20px; font-weight: 700; color: var(--primary); font-family: var(--font-mono); }
.news-date .month { font-size: 12px; color: var(--gray-500); }
.news-copy h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.news-copy h3:hover { color: var(--primary); }
.news-copy p { font-size: 13px; color: var(--gray-500); }

/* ============ 页脚 ============ */
.site-footer { background: var(--deep-bg); color: var(--gray-300); padding: 64px 0 0; }
.footer-cols { display: grid; grid-template-columns: 1.1fr 0.95fr 0.8fr 1.5fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13px; color: var(--gray-300); transition: var(--transition-fast); }
.footer-col a:hover { color: var(--accent-bright); }
.footer-col .logo { margin-bottom: 16px; }
.footer-col .footer-desc { font-size: 13px; color: var(--gray-500); line-height: 1.7; }

/* —— 联系方式 + 公众号二维码 —— */
.footer-contact-col .footer-contact-row {
  display: flex; align-items: flex-start; gap: 20px;
}
.footer-contact-col .footer-contact-list { flex: 1.75; min-width: 0; }
.footer-contact-col .footer-contact-list li { line-height: 1.7; }
.footer-contact-col .footer-contact-list .c-label { color: var(--gray-300); }
.footer-contact-col .footer-contact-list .c-value { color: var(--gray-300); font-family: var(--font-mono); }
.footer-contact-col .footer-contact-list a.c-value { transition: var(--transition-fast); }
.footer-contact-col .footer-contact-list a.c-value:hover { color: var(--accent-bright); }
.footer-contact-col .footer-qr {
  flex: 0.8; min-width: 92px; max-width: 104px; text-align: center;
}
.footer-contact-col .footer-qr img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  background: #fff; padding: 4px; border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}
.footer-contact-col .footer-qr p {
  font-size: 12px; color: var(--gray-500); margin-top: 8px; line-height: 1.4;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  font-size: 12px; color: var(--gray-500);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ============ 页内通用 ============ */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff; padding: 64px 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--accent) 0%, var(--accent-bright) 100%);
}
.page-hero h1 { font-size: 32px; font-weight: 700; margin-bottom: 8px; }
.page-hero .breadcrumb { font-size: 13px; opacity: 0.8; }
.breadcrumb a:hover { text-decoration: underline; }

/* 关于我们：Hero 照片背景 */
.page-hero-photo {
  background-size: cover; background-position: center 62%; background-repeat: no-repeat;
}
.page-hero-photo::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(3,10,30,0.82) 0%, rgba(3,10,30,0.45) 42%, rgba(3,10,30,0.12) 75%, rgba(3,10,30,0) 100%);
}
.page-hero-photo::after { z-index: 1; }
.page-hero-photo .container { position: relative; z-index: 2; }
.page-hero-photo h1 { text-shadow: 0 2px 12px rgba(0,0,0,0.45); }

/* 关于我们：价值观卡片（资源整合/创新拼搏/扬帆起航/合作共赢） */
.value-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 48px;
}
.value-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 32px 24px 28px; text-align: center;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
  border-top: 3px solid var(--accent);
  transition: transform 0.35s cubic-bezier(0.22,0.61,0.36,1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--primary-light);
}
.value-icon {
  width: 64px; height: 64px; margin: 0 auto 18px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  box-shadow: 0 6px 16px rgba(11,26,53,0.28);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.35s ease;
}
.value-icon svg { width: 30px; height: 30px; stroke: #fff; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.value-card:hover .value-icon {
  transform: scale(1.12) rotate(-4deg);
  box-shadow: 0 10px 24px rgba(37,99,235,0.4);
}
.value-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.value-card p { font-size: 13px; color: var(--gray-500); line-height: 1.75; }
/* 入场动效：复用 .reveal/.in-view，4 卡依次错开 */
.value-card.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,0.61,0.36,1); }
.value-card.reveal.in-view { opacity: 1; transform: translateY(0); }
.value-card.reveal.in-view:hover { transform: translateY(-8px); }
.value-cards .value-card:nth-child(1) { transition-delay: 0s; }
.value-cards .value-card:nth-child(2) { transition-delay: 0.12s; }
.value-cards .value-card:nth-child(3) { transition-delay: 0.24s; }
.value-cards .value-card:nth-child(4) { transition-delay: 0.36s; }

/* 表格 */
.data-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.data-table th { background: var(--primary); color: #fff; font-size: 13px; font-weight: 600; padding: 12px 16px; text-align: left; }
.data-table td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.data-table tr:hover td { background: var(--gray-50); }
.data-table .mono { font-family: var(--font-mono); }

/* 列表页筛选 */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-chip { padding: 8px 16px; font-size: 13px; font-weight: 500; border: 1px solid var(--gray-100); border-radius: 4px; background: var(--white); cursor: pointer; transition: var(--transition-fast); color: var(--gray-700); }
.filter-chip:hover { border-color: var(--primary); color: var(--primary); }
.filter-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 分页 */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.page-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 13px; background: var(--white); border: 1px solid var(--gray-100); cursor: pointer; transition: var(--transition-fast); }
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 10px 12px; font-size: 14px; font-family: var(--font-sans);
  border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  color: var(--gray-900); background: var(--white); transition: var(--transition-fast);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(51,63,200,0.20);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--gray-300); }
.form-error { font-size: 13px; color: var(--error); margin-top: 4px; }

/* 联系栏 */
.contact-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-box { background: var(--white); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); }
.contact-info-box h3 { font-size: 18px; font-weight: 600; margin-bottom: 16px; color: var(--primary); }
.contact-info-box li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--gray-700); align-items: flex-start; }
.contact-info-box li .icon { font-size: 18px; }
.contact-info-box .tel { font-size: 20px; font-weight: 700; color: var(--primary); font-family: var(--font-mono); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-copy { left: 48px; max-width: 460px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .solution-content, .contact-cols { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-wall { grid-template-columns: repeat(3, 1fr); }
  .partner-logos { grid-template-columns: repeat(4, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  /* 窄屏：页脚改 2 列，联系方式独占整行，避免邮箱被二维码挤压 */
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-contact-col { grid-column: 1 / -1; }
  .footer-contact-col .footer-contact-row { gap: 16px; }
  .footer-contact-col .footer-qr { max-width: 110px; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav-wrap .logo { margin-left: 0; }
  .section { padding: 48px 0; }
  .section-stats { padding: 24px 0; }
  .nav-menu {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(10,20,48,0.98); flex-direction: column; padding: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.35); gap: 0;
  }
  .nav-menu.open { display: flex; }
  .nav-item { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.9); }
  .nav-item.active::after { display: none; }
  .nav-item.active { color: #fff; }
  .menu-toggle { display: block; }
  /* 移动端 Hero：文案置于底部，地球居中，遮罩下移 */
  .hero-copy {
    left: 22px; right: 22px; top: auto; bottom: 72px;
    transform: none; max-width: none;
  }
  .hero-copy::before {
    inset: -50px -60px -50px -60px;
    background: radial-gradient(
      ellipse at 35% 60%,
      rgba(5, 10, 24, 0.94) 0%,
      rgba(5, 10, 24, 0.55) 45%,
      rgba(5, 10, 24, 0) 80%
    );
  }
  .hero-copy h1 { font-size: 28px; }
  .hero-copy p { font-size: 13px; margin-bottom: 0; }
  .hero-cards { grid-template-columns: 1fr; }
  .card-grid, .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .value-cards { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .section-head h2 { font-size: 24px; }
  .page-hero h1 { font-size: 26px; }
  .solution-tabs { gap: 4px; }
  .solution-tab { padding: 8px 14px; font-size: 13px; }
  /* 移动端下拉菜单改为内联 */
  .nav-item-wrap .nav-dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; padding: 0 0 0 12px; min-width: 0; display: none;
  }
  .nav-menu.open .nav-item-wrap .nav-dropdown { display: none; }
  .nav-item-wrap:hover .nav-dropdown,
  .nav-item-wrap:focus-within .nav-dropdown { display: none; }
  .nav-menu.open .nav-item-wrap:hover .nav-dropdown { display: block; }
  .nav-dropdown a { padding: 8px 10px; }
  .nav-item-wrap .arrow { display: none; }
  /* 移动端联系方式横排：联系方式列表 + QR 左右并排 */
  .footer-contact-col { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: 1fr 1fr; }
  .partner-logos { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .partner-logo-item { height: 80px; padding: 12px 14px; }
  .value-cards { grid-template-columns: 1fr; }
  .page-hero-photo { background-position: center 40%; }
}

/* ============ 滚动入场动画 ============ */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============ 统计数字动画 ============ */
.stat-num { font-variant-numeric: tabular-nums; }

/* ============ CTA 区 ============ */
.cta-section {
  position: relative; overflow: hidden;
  background: radial-gradient(800px 400px at 20% 0%, rgba(77,182,255,0.25) 0%, transparent 60%),
              radial-gradient(700px 400px at 90% 100%, rgba(0,229,255,0.15) 0%, transparent 55%),
              linear-gradient(135deg, #1B2570 0%, #2A2FA0 60%, #2764EA 100%);
  color: #fff; padding: 42px 0;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 30px; font-weight: 700; margin-bottom: 10px; letter-spacing: 1px; }
.cta-inner p { font-size: 15px; opacity: 0.85; margin-bottom: 22px; line-height: 1.8; }
.cta-inner .btn { min-height: 46px; padding: 13px 36px; font-size: 15px; border-radius: 6px; box-shadow: 0 6px 24px rgba(255,255,255,0.22); }
.cta-contact { margin-top: 16px; font-size: 14px; opacity: 0.8; }
.cta-contact strong { color: var(--accent-bright); font-family: var(--font-mono); font-size: 18px; margin-left: 4px; }

/* ============ 产品卡片图片区优化 ============ */
.card-img {
  background: linear-gradient(160deg, #F6F8FF 0%, #EDF1FF 100%);
  border-bottom: 1px solid rgba(51,63,200,0.06);
}

/* ============ 合作伙伴 Logo 墙 ============ */
.partner-item {
  transition: var(--transition-fast);
  background: var(--white);
}
.partner-item:hover {
  border-color: var(--primary); color: var(--primary);
  box-shadow: var(--shadow-sm); transform: translateY(-2px);
}

/* ============ 导航响应式微调 ============ */
@media (max-width: 1280px) {
  .nav-menu { gap: 16px; }
  .nav-item { font-size: 16px; }
  .nav-dropdown { min-width: 200px; }
}
@media (max-width: 1120px) {
  .nav-menu { gap: 12px; }
  .nav-item { font-size: 15px; }
  .nav-cta { display: none; }
}
@media (max-width: 1280px) {
  .nav-hotline { display: none; }
}
@media (min-width: 1281px) {
  .nav-hotline { display: flex; }
}

/* ============ 企业微信客服悬浮入口 ============ */
.ww-kf-float {
  position: fixed; right: 24px; bottom: 88px; z-index: 999;
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid rgba(51,63,200,0.15);
  border-radius: 100px; padding: 10px 18px 10px 10px;
  box-shadow: var(--shadow-lg); cursor: pointer; text-decoration: none;
  transition: var(--transition-normal); color: var(--gray-700);
}
.ww-kf-float:hover { box-shadow: var(--shadow-xl); transform: translateY(-3px); border-color: var(--primary); }
.ww-kf-float .kf-badge {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, #07C160 0%, #06AD56 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
}
.ww-kf-float .kf-text { display: flex; flex-direction: column; line-height: 1.3; }
.ww-kf-float .kf-text b { font-size: 14px; color: var(--gray-900); }
.ww-kf-float .kf-text span { font-size: 11px; color: var(--gray-500); }
@media (max-width: 768px) {
  .ww-kf-float { right: 14px; bottom: 70px; }
}

/* ============ 产品详情页布局 ============ */
.product-detail-top {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start;
}
.product-gallery-main {
  background: var(--gray-50); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  min-height: 420px; overflow: hidden; padding: 32px;
}
.product-gallery-main img {
  max-width: 100%; max-height: 480px; width: auto; height: auto;
  object-fit: contain; display: block;
}
.product-gallery-thumbs {
  display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap;
}
.gallery-thumb {
  width: 84px; height: 84px; border: 2px solid var(--gray-100); border-radius: var(--radius-md);
  overflow: hidden; cursor: pointer; background: var(--white); padding: 0;
  transition: var(--transition-fast);
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumb:hover { border-color: var(--primary); }
.gallery-thumb.active { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(51,63,200,0.2); }
.product-info { padding-top: 8px; }
.product-info-title { font-size: 28px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.product-info-desc { font-size: 15px; color: var(--gray-700); line-height: 1.9; margin-bottom: 28px; }
.product-info-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.product-info-meta {
  border-top: 1px solid var(--gray-100); padding-top: 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.meta-item { display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.meta-label { color: var(--gray-500); }
.meta-value { color: var(--gray-900); font-weight: 500; }

@media (max-width: 900px) {
  .product-detail-top { grid-template-columns: 1fr; gap: 32px; }
  .product-gallery-main { min-height: 280px; }
}

/* ============ 产品分栏展示 ============ */
.products-layout {
  display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: start;
}
/* 产品归档页：内容区贴边拉宽（侧栏贴左、产品卡片区贴右），仅此页生效 */
.post-type-archive-product .section .container {
  max-width: 100%;
  padding-left: 16px;
  padding-right: 16px;
}
.product-sidebar {
  background: var(--white); border-radius: var(--radius-md); padding: 20px;
  position: sticky; top: 88px; box-shadow: var(--shadow-sm);
}
.product-sidebar h4 {
  font-size: 15px; font-weight: 600; color: var(--gray-900);
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}
.product-sidebar ul { list-style: none; padding: 0; margin: 0; }
.product-sidebar li { margin-bottom: 4px; }
.sidebar-link {
  display: block; width: 100%; text-align: left; padding: 10px 14px;
  font-size: 13px; color: var(--gray-700); background: transparent;
  border: none; border-radius: 6px; cursor: pointer; transition: var(--transition-fast);
}
.sidebar-link:hover { background: var(--gray-50); color: var(--primary); }
.sidebar-link.active { background: var(--primary); color: #fff; font-weight: 500; }

/* 一级分类更醒目 */
.product-sidebar > ul > li > .sidebar-link { font-size: 15px; font-weight: 500; color: var(--gray-900); padding: 11px 14px; }
/* L1-active text color override 2026-09-14 */
.product-sidebar > ul > li > .sidebar-link.active { color: #fff; }

/* 子分类树：默认收起，点击展开（手风琴） */
.sidebar-sub { display: none; padding-left: 10px; margin: 2px 0 6px 14px; border-left: 1px solid var(--gray-100); }
.sidebar-item.open > .sidebar-sub { display: block; }
.sidebar-sub .sidebar-link { font-size: 14px; padding: 7px 10px; color: var(--gray-900); }
.sidebar-sub .sidebar-link:hover { color: var(--primary); }
.sidebar-sub .sidebar-link.active { background: var(--gray-50); color: var(--primary); font-weight: 500; }
.sidebar-item.has-children > .sidebar-link::after {
  content: '▸'; float: right; font-size: 11px; line-height: inherit;
  color: var(--gray-300); transition: transform 0.2s ease;
}
.sidebar-item.open > .sidebar-link::after { transform: rotate(90deg); color: var(--primary); }

/* 类目分页（横排） */
.cat-pagination { display: flex; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin-top: 24px; }
.cat-pagination:empty { display: none; }
.cat-page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: auto; min-width: 32px; height: 32px; padding: 4px 16px;
  font-size: 13px; color: var(--gray-700); font-family: var(--font-sans);
  background: var(--white); border: 1px solid var(--gray-100); border-radius: 6px;
  cursor: pointer; transition: var(--transition-fast);
}
.cat-page-btn:hover:not(:disabled) { color: var(--primary); border-color: var(--primary); }
.cat-page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-info { font-size: 13px; color: var(--gray-500); font-family: var(--font-mono); }

.products-main { display: flex; flex-direction: column; gap: 48px; }
.cat-section { scroll-margin-top: 88px; }
.cat-title-wrap {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 12px; margin-bottom: 16px;
  border-bottom: 2px solid var(--primary);
}
.cat-index {
  background: var(--primary); color: #fff;
  width: 32px; height: 32px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
}
.cat-title { font-size: 22px; font-weight: 700; color: var(--gray-900); margin: 0; flex: 1; }
.cat-count {
  font-size: 13px; color: var(--gray-500);
  background: var(--gray-50); padding: 4px 12px; border-radius: 100px;
}
.cat-desc { font-size: 13px; color: var(--gray-500); margin-bottom: 20px; line-height: 1.7; }
.cat-section .card-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  align-items: start;
}
/* Show single category: others hidden via .is-hidden (set by main.js) */
.cat-section.is-hidden { display: none; }
.product-card {
  background: var(--white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); transition: var(--transition-normal);
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--primary); }
.product-img {
  background: var(--gray-50); aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--gray-100);
  overflow: hidden;
}
.product-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.product-body { padding: 10px 14px 12px; display: flex; flex-direction: column; }
.product-body h3 { font-size: 14px; font-weight: 600; margin-bottom: 0; line-height: 1.4; text-align: center; }
.product-body p { font-size: 13px; color: var(--gray-500); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.product-actions { display: flex; gap: 8px; }
.product-actions .btn { flex: 1; padding: 8px 12px; font-size: 12px; min-height: 32px; }

@media (max-width: 1024px) {
  .products-layout { grid-template-columns: 1fr; }
  .product-sidebar { position: static; }
  .cat-section .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cat-section .card-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ 键盘焦点可见性 ============ */
a:focus-visible, button:focus-visible, .sidebar-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}
/* 图标 SVG：为什么选择我们/核心服务用描边，热线/客服用填充 */
.icon-svg svg {
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.hl-icon svg, .kf-badge svg {
  fill: currentColor; stroke: none;
}

/* ============ 整卡可点击 ============ */
.card-link-wrap {
  display: flex; flex-direction: column; color: inherit; text-decoration: none;
  height: 100%; cursor: pointer;
}
a.card-link-wrap .card-img,
a.card-link-wrap .product-img { pointer-events: none; }
.card-link-wrap:hover .card-img img,
.card-link-wrap:hover .product-img img { transform: scale(1.05); }

/* ============ 解决方案详情区块 ============ */
.solution-details {
  margin-top: 56px; display: flex; flex-direction: column; gap: 48px;
}
.solution-detail {
  scroll-margin-top: 88px;
  padding-top: 24px; border-top: 2px solid var(--primary);
}
.solution-detail-title {
  font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 20px;
}
.solution-actions {
  display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap;
}
.img-reserve {
  font-size: 14px; color: var(--gray-500); font-weight: 400; letter-spacing: 1px;
  border: 1px dashed var(--gray-300); padding: 12px 24px; border-radius: var(--radius-sm);
}

/* 方案详情页 Hero：左图（约490px宽）+ 右侧简介、下方正文全宽 */
.solution-detail-hero {
  display: grid; grid-template-columns: minmax(0, 490px) minmax(0, 1fr); gap: 32px; align-items: center;
}
.solution-detail-hero > * { min-width: 0; }
.solution-detail-hero .solution-img {
  height: auto; aspect-ratio: 4 / 3; position: relative; overflow: hidden;
  border-radius: var(--radius-lg); background: var(--gray-50);
}
.solution-detail-hero .solution-img img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; display: block;
}
.solution-detail-hero .solution-img .solution-img-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: 14px; color: var(--gray-500); text-align: center; line-height: 1.8;
}
.solution-summary {
  display: flex; flex-direction: column; align-items: flex-start;
}
.solution-summary h2 {
  font-size: 30px; font-weight: 700; color: var(--gray-900);
  margin-bottom: 14px; line-height: 1.3;
}
.solution-summary .solution-desc {
  font-size: 15px; line-height: 1.8; color: var(--gray-600); margin-bottom: 10px;
  max-width: 520px;
}
.solution-detail-body {
  margin-top: 56px;
}
.solution-detail-body .solution-content {
  /* 覆盖全局 .solution-content 的 grid 两列布局，正文全宽平铺 */
  display: block;
  font-size: 15px; line-height: 1.9; color: var(--gray-700);
}
.solution-detail-body .solution-content h2,
.solution-detail-body .solution-content h3,
.solution-detail-body .solution-content h4 {
  color: var(--gray-900); margin: 32px 0 16px;
}
.solution-detail-body .solution-content h2 { font-size: 22px; }
.solution-detail-body .solution-content h3 { font-size: 18px; }
.solution-detail-body .solution-content p { margin-bottom: 16px; }
.solution-detail-body .solution-content img {
  max-width: 100%; height: auto; border-radius: var(--radius-md);
  display: block; margin: 20px 0;
}
.solution-detail-body .solution-content ul,
.solution-detail-body .solution-content ol { margin: 0 0 16px 20px; }
.solution-detail-body .solution-content li { margin-bottom: 6px; }
@media (max-width: 900px) {
  .solution-detail-hero { grid-template-columns: 1fr; gap: 24px; }
  .solution-detail-hero .solution-img { aspect-ratio: 16 / 9; }
  .solution-summary h2 { font-size: 24px; }
  .solution-detail-body { margin-top: 40px; }
}

/* ============ 新闻资讯列表 ============ */
.news-list { margin-top: 8px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); transition: var(--transition-normal);
  display: flex; flex-direction: column; color: inherit; text-decoration: none;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.news-thumb {
  aspect-ratio: 16 / 9; background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border-bottom: 1px solid var(--gray-100);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 18px 20px 16px; display: flex; flex-direction: column; flex: 1; }
.news-cat { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary); background: rgba(51,63,200,0.08); padding: 3px 10px; border-radius: 4px; margin-bottom: 10px; align-self: flex-start; }
.news-body h3 { font-size: 16px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; }
.news-body p { font-size: 13px; color: var(--gray-500); line-height: 1.6; margin-bottom: 12px; flex: 1; }
.news-date { font-size: 12px; color: var(--gray-500); font-family: var(--font-mono); }
.news-empty { text-align: center; padding: 48px; color: var(--gray-500); font-size: 15px; }

/* 新闻分类 tab */
.news-tabs { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.news-tab {
  padding: 8px 22px; border-radius: var(--radius-md); font-size: 14px; font-weight: 500;
  color: var(--gray-700); background: var(--gray-100); text-decoration: none;
  transition: var(--transition-fast); border: 1px solid transparent;
}
.news-tab:hover { color: var(--primary); border-color: var(--primary-light); }
.news-tab.active { background: var(--primary); color: #fff; }

/* 新闻列表分页 */
.news-pagination {
  display: flex; gap: 8px; justify-content: center; align-items: center;
  margin-top: 40px; flex-wrap: wrap;
}
.news-page-btn {
  min-width: 36px; height: 36px; padding: 0 12px; display: inline-flex;
  align-items: center; justify-content: center; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--gray-700);
  background: var(--gray-100); text-decoration: none; transition: var(--transition-fast);
  border: 1px solid transparent;
}
.news-page-btn:hover:not(.active):not(.is-disabled) {
  border-color: var(--primary-light); color: var(--primary);
}
.news-page-btn.active { background: var(--primary); color: #fff; }
.news-page-btn.is-disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.news-page-nav { padding: 0 16px; }

@media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .news-grid { grid-template-columns: 1fr; } }

/* ============ 发展历程时间线 ============ */
.timeline { max-width: 860px; margin: 0 auto; }
.timeline-item { display: flex; align-items: stretch; gap: 16px; }
.timeline-year {
  min-width: 64px; text-align: right; font-size: 20px; font-weight: 700;
  color: var(--primary); padding-top: 18px; font-family: var(--font-mono);
}
.timeline-dot-wrap { display: flex; flex-direction: column; align-items: center; width: 20px; }
.timeline-dot {
  width: 14px; height: 14px; border-radius: 50%; margin-top: 22px;
  background: var(--primary); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary); flex-shrink: 0;
}
.timeline-line { flex: 1; width: 2px; background: var(--gray-100); margin-top: 2px; }
.timeline-item:last-child .timeline-line { display: none; }
.timeline-content {
  flex: 1; margin-bottom: 20px; background: var(--white);
  border-radius: var(--radius-md); padding: 16px 20px;
  box-shadow: var(--shadow-sm); border-left: 3px solid var(--primary);
}
.timeline-content h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; color: var(--gray-900); }
.timeline-content p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }
@media (max-width: 640px) {
  .timeline-year { min-width: 48px; font-size: 16px; padding-top: 20px; }
}

/* ============ 新闻资讯详情 single ============ */
/* 注意：body 的 class 也含 single-post（WP 自动生成），必须限定 article.single-post，
   否则会把整个 body 限制成 920px 居中，导致顶部导航栏两侧留白 */
article.single-post { max-width: 920px; margin: 0 auto; }
.single-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.single-meta .news-cat { margin-bottom: 0; }
.single-date { font-size: 14px; color: var(--gray-500); font-family: var(--font-mono); }
.single-thumb { margin-bottom: 30px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.single-thumb img { width: 100%; height: auto; display: block; object-fit: cover; }
.single-content { font-size: 15px; line-height: 1.9; color: var(--gray-700); }
.single-content h2,
.single-content h3,
.single-content h4 { color: var(--gray-900); margin: 32px 0 16px; }
.single-content h2 { font-size: 22px; }
.single-content h3 { font-size: 18px; }
.single-content p { margin-bottom: 16px; }
.single-content img {
  max-width: 100%; height: auto; border-radius: var(--radius-md);
  display: block; margin: 20px 0;
}
.single-content ul,
.single-content ol { margin: 0 0 16px 20px; }
.single-content li { margin-bottom: 6px; }
.single-content blockquote {
  border-left: 3px solid var(--primary); background: rgba(51,63,200,0.05);
  color: var(--gray-600); padding: 12px 18px; margin: 16px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.single-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.single-content th, .single-content td { border: 1px solid var(--gray-300); padding: 8px 12px; }
.single-content th { background: var(--gray-100); font-weight: 600; }
.single-content a { color: var(--primary); text-decoration: underline; }
.single-title {
  font-size: 26px; font-weight: 700; color: var(--gray-900);
  line-height: 1.4; margin-bottom: 24px;
}
.single-back {
  margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--gray-100);
  display: flex; justify-content: center;
}
.single-back .btn { min-width: 160px; }

/* ============ 下载中心 ============ */
.dl-tabs {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-bottom: 36px;
}
.dl-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 500; color: var(--gray-700);
  background: var(--white); border: 1px solid var(--gray-200);
  transition: all 0.22s cubic-bezier(0.2,0,0,1);
}
.dl-tab:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.dl-tab.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 18px rgba(37,100,234,0.25);
}
.dl-count {
  font-size: 12px; padding: 1px 7px; border-radius: 999px;
  background: var(--gray-100); color: var(--gray-500);
}
.dl-tab.active .dl-count { background: rgba(255,255,255,0.22); color: #fff; }

/* 列表行 */
.dl-list { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.dl-row {
  display: grid;
  grid-template-columns: minmax(0,3fr) 96px 88px 88px 112px 132px;
  align-items: center; gap: 16px;
  padding: 18px 24px; border-bottom: 1px solid var(--gray-100);
  transition: background 0.2s ease;
}
.dl-row:last-child { border-bottom: none; }
.dl-item:hover { background: var(--gray-50); }
.dl-head {
  font-size: 12px; color: var(--gray-500); font-weight: 600; letter-spacing: 0.5px;
  background: var(--gray-50);
}
.dl-main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.dl-ico {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37,100,234,0.10) 0%, rgba(0,229,255,0.10) 100%);
  color: var(--accent);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.dl-item:hover .dl-ico { transform: scale(1.08); }
.dl-ico svg { width: 22px; height: 22px; }
.dl-text { min-width: 0; }
.dl-text h3 { font-size: 15px; font-weight: 600; color: var(--gray-900); margin-bottom: 3px; }
.dl-text p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.dl-cell { font-size: 13px; color: var(--gray-700); }
.dl-ver, .dl-size, .dl-date { font-family: var(--font-mono); font-size: 13px; color: var(--gray-500); }
.dl-none { color: var(--gray-300); }
.dl-tag {
  display: inline-block; padding: 3px 10px; border-radius: 4px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.tag-product-doc { background: rgba(37,100,234,0.10); color: #1B4FD8; }
.tag-manual      { background: rgba(6,182,212,0.12); color: #0E7490; }
.tag-firmware    { background: rgba(245,158,11,0.14); color: #B45309; }
.tag-file        { background: var(--gray-100); color: var(--gray-700); }
.dl-action { text-align: right; }
.dl-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent);
  border: 1px solid rgba(37,100,234,0.28); background: rgba(37,100,234,0.04);
  transition: all 0.2s cubic-bezier(0.2,0,0,1);
}
.dl-btn svg { width: 14px; height: 14px; }
.dl-btn:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff; border-color: transparent; transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37,100,234,0.28);
}
.dl-btn.is-disabled { color: var(--gray-300); border-color: var(--gray-200); background: transparent; cursor: default; }

/* 空状态 */
.dl-empty { text-align: center; padding: 72px 24px; color: var(--gray-500); }
.dl-empty svg { width: 48px; height: 48px; color: var(--gray-200); margin-bottom: 16px; }
.dl-empty h3 { font-size: 18px; color: var(--gray-700); margin-bottom: 10px; }
.dl-empty p { font-size: 14px; line-height: 1.8; }

/* 底部提示条 */
.dl-tip {
  margin-top: 40px; padding: 24px 28px;
  display: flex; align-items: center; gap: 16px;
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); font-size: 14px; color: var(--gray-700); line-height: 1.75;
}
.dl-tip-ico {
  flex: 0 0 36px; width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(37,100,234,0.08); color: var(--accent);
}
.dl-tip-ico svg { width: 18px; height: 18px; }
.dl-tip strong { color: var(--gray-900); }
.dl-tip-btn { margin-left: auto; flex: 0 0 auto; }

@media (max-width: 1024px) {
  .dl-row { grid-template-columns: minmax(0,2fr) 88px 80px 80px 104px 124px; gap: 12px; padding: 16px; }
}
@media (max-width: 768px) {
  .dl-head { display: none; }
  .dl-list { box-shadow: none; background: transparent; }
  .dl-item {
    grid-template-columns: 1fr; gap: 10px;
    background: var(--white); border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg); padding: 18px; margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
  }
  .dl-cell { display: flex; align-items: center; gap: 8px; font-size: 13px; }
  .dl-cell::before {
    content: attr(data-label); color: var(--gray-500); font-size: 12px; min-width: 56px;
  }
  .dl-action { justify-content: flex-start; padding-top: 4px; }
  .dl-tip { flex-wrap: wrap; }
  .dl-tip-btn { margin-left: 0; }
}

/* ============ 相关方案卡片（解决方案详情页底部，横版紧凑） ============ */
.related-solutions .card-img { aspect-ratio: 4 / 3; }
.related-solutions .card-img img { object-fit: cover; }

/* ============ 解决方案列表卡片（4:3 横版，与首页Tab/详情Hero统一） ============ */
.sol-list .card-img { aspect-ratio: 4 / 3; }
.sol-list .card-img img { object-fit: cover; }

/* ============ 解决方案页照片 Hero：统一 208px 固定高度（与关于我们一致），cover + 左对齐护住标题区 ============ */
.sol-hero { background-position: left center; }

/* 行业资讯 Hero：融合+卫星动效 SVG（V2+V1 定稿，仅资讯页） */
.page-hero-news {
  background: linear-gradient(135deg, #0b1a35 0%, #2563eb 100%) !important;
  min-height: 208px; padding: 0;
}
.page-hero-news .page-hero-news-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: right center; z-index: 0;
}
.page-hero-news .container {
  position: relative; z-index: 2; min-height: 208px;
  display: flex; flex-direction: column; justify-content: center; padding-left: 64px;
}
.page-hero-news h1, .page-hero-news .breadcrumb { text-shadow: 0 2px 12px rgba(0,0,0,0.45); }
@media (max-width: 768px) {
  .page-hero-news .page-hero-news-bg { display: none; }
  .page-hero-news, .page-hero-news .container { min-height: 120px; }
  .page-hero-news .container { padding-left: 20px; }
}

/* 资讯页 Hero 实拍图版（/news/ 专用，文字已烧入图；三分类页不受影响） */
.page-hero-newsphoto .page-hero-news-bg { object-position: left center; }
@media (min-width: 769px) {
  .page-hero-newsphoto .hero-eyebrow,
  .page-hero-newsphoto h1 {
    position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
}