/* ==========================================================================
   精工智造 - 官方样式
   ========================================================================== */

:root {
  --primary: #0055cb;
  --primary-hover: #0044a6;
  --bg-dark: #09307f;
  --bg-light: #f4f7fb;
  --text-main: #333;
  --text-muted: #666;
  --font-main: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); color: var(--text-main); line-height: 1.6; scroll-behavior: smooth; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.bg-light { background-color: var(--bg-light); }

/* --- 通用组件 --- */
.section-title { font-size: 32px; font-weight: bold; margin-bottom: 20px; color: #111; }
.section-desc { font-size: 16px; color: var(--text-muted); margin-bottom: 40px; }
.btn { display: inline-block; padding: 12px 30px; border-radius: 50px; font-weight: bold; transition: 0.3s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); display: inline-block; padding: 10px 24px; border-radius: 50px; font-weight: bold; transition: 0.3s; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* --- Header --- */
.header { position: sticky; top: 0; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); z-index: 100; }
.header-container { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.header-logo { display: flex; align-items: center; gap: 10px; }
.header-logo-text h1 { font-size: 22px; color: #111; line-height: 1.1; }
.header-logo-text p { font-size: 12px; color: var(--text-muted); }
.header-nav { display: flex; gap: 30px; align-items: center; }
.header-nav > a, .nav-item > a { font-weight: bold; font-size: 16px; position: relative; padding: 0; color: #333; display: flex; align-items: center; height: 80px; }
.header-nav > a:hover, .header-nav > a.active, .nav-item > a:hover { color: var(--primary); }
.header-nav > a.active {
    color: var(--primary);
    position: relative;
}
.header-nav > a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
}
.header-contact { display: flex; align-items: center; gap: 10px; }
.nav-item { position: relative; cursor: pointer; }
.dropdown-menu { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border-radius: 8px; padding: 10px 0; min-width: 160px; opacity: 0; visibility: hidden; transition: 0.3s; z-index: 100; display: flex; flex-direction: column; }
.nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; margin-top: -5px; }
.dropdown-menu a { padding: 10px 20px; font-size: 14px; color: #333; transition: 0.3s; white-space: nowrap; border-bottom: none !important; }
.dropdown-menu a:hover { background: var(--bg-light); color: var(--primary); }
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; color: #333; padding: 10px; margin-right: -10px; }
.mobile-menu-toggle svg { width: 28px; height: 28px; }
.header-contact-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; }
.header-contact-text .phone { font-size: 18px; font-weight: bold; color: var(--primary); line-height: 1.2;}
.header-contact-text .desc { font-size: 12px; color: var(--text-muted); }

/* --- Hero --- */
.hero { position: relative; min-height: 550px; display: flex; align-items: stretch; margin-bottom: 0px; z-index: 1; }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 0.5s ease, visibility 0.5s ease; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center right; transition: opacity 0.3s ease; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(240, 248, 255, 0.95) 0%, rgba(240, 248, 255, 0.85) 45%, rgba(255, 255, 255, 0) 75%); }
.hero-container { display: flex; flex-direction: column; justify-content: center; position: relative; padding-top: 60px; padding-bottom: 120px; width: 100%; }
.hero-content { color: #0f3069; width: 100%; max-width: 600px; }
.hero-title { font-size: 56px; font-weight: 900; margin-bottom: 15px; letter-spacing: 2px; color: #003380; transition: opacity 0.3s ease; }
.hero-subtitle { font-size: 20px; font-weight: 500; margin-bottom: 25px; color: #445; letter-spacing: 1px; transition: opacity 0.3s ease; }
.hero-desc { font-size: 15px; color: #555; margin-bottom: 40px; line-height: 1.8; transition: opacity 0.3s ease; }

.hero-bottom-wrap { position: absolute; bottom: 0px; left: 20px; right: 20px; max-width: 1200px; margin: 0 auto; display: flex; gap: 20px; align-items: center; height: 90px; z-index: 10; }
.features-bar { background: #fff; display: flex; align-items: center; border-radius: 8px 8px 0 0; box-shadow: 0 -10px 30px rgba(0,0,0,0.05); flex: 1; border: 1px solid rgba(0,0,0,0.05); height: 100%; }
.feature-item { flex: 1; display: flex; align-items: center; justify-content: center; gap: 15px; padding: 0 15px; border-right: 1px solid #eee; }
.feature-item:last-child { border-right: none; }
.feature-icon { width: 40px; height: 40px; flex-shrink: 0; font-size: 32px; color: #0f3069; display: flex; align-items: center; justify-content: center; }
.feature-text h3 { font-size: 16px; color: #111; margin-bottom: 2px; font-weight: bold; }
.feature-text p { font-size: 12px; color: var(--text-muted); white-space: nowrap; margin-bottom: 0; }
.hero-controls { display: flex; align-items: center; justify-content: center; gap: 15px; }
.hero-arrow { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.15); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.3); border-radius: 50%; cursor: pointer; color: #fff; transition: 0.3s; }
.hero-arrow:hover { background: rgba(255,255,255,0.4); color: #fff; }

/* --- About Us --- */
.about { padding-top: 120px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { margin-bottom: 20px; color: var(--text-muted); line-height: 1.8; font-size: 15px; }
.about-stats { display: flex; gap: 30px; margin-top: 30px; border-top: 1px solid #eee; padding-top: 30px; }
.stat { flex: 1; text-align: center; }
.stat-icon { width: 32px; height: 32px; margin: 0 auto 10px; font-size: 32px; color: #0055cb; }
.stat-val { font-size: 28px; font-weight: bold; color: var(--primary); margin-bottom: 5px; }
.stat-val .unit { font-size: 14px; }
.stat-label { font-size: 13px; color: var(--text-muted); }
.about-image { position: relative; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.about-image .play-btn { position: absolute; top:50%; left:50%; transform:translate(-50%,-50%); width: 70px; height: 70px; background: rgba(255,255,255,0.9); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: 0.3s; }
.about-image .play-btn:hover { background: #fff; transform:translate(-50%,-50%) scale(1.1); }
.about-image .play-btn i { font-size: 24px; color: #0055cb; margin-left: 4px; }

/* --- Products --- */
.products-inner { background: #f9fafc; border-radius: 12px; padding: 60px 50px; box-shadow: 0 10px 40px rgba(0,0,0,0.04); border: 1px solid rgba(0,0,0,0.02); }
.products-header { display: flex; align-items: center; justify-content: center; margin-bottom: 50px; position: relative; }
.products-header .section-title { margin-bottom: 0; color: #003380; position: relative; padding-bottom: 15px; }
.products-header .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 40px; height: 3px; background: var(--primary); }
.products-header { display: flex; align-items: center; justify-content: center; margin-bottom: 50px; position: relative; }
.products-nav { position: absolute; right: 0; top: 0; bottom: 0; display: flex; align-items: center; gap: 15px; }
.nav-arrow { width: 40px; height: 40px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: #666; cursor: pointer; transition: 0.3s; border: 1px solid #eee; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.nav-arrow:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.products-grid-wrapper { position: relative; overflow: hidden; }
.products-grid-inner { display: flex; transition: transform 0.4s ease; margin: 0 -15px; }
.products-grid-inner .product-card { width: calc(33.333% - 30px); margin: 0 15px; flex-shrink: 0; box-sizing: border-box; }
.product-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.04); transition: 0.3s; display: flex; align-items: stretch; border: 1px solid #f0f0f0; height: 150px; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.08); }
.product-img-wrapper { flex: 0 0 42%; background: #fff; display: flex; align-items: stretch; justify-content: center; overflow: hidden; height: 100%; }
.product-img { width: 100%; height: 100%; object-fit: cover; }
.product-info { padding: 25px 20px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.product-title { font-size: 18px; font-weight: bold; margin-bottom: 12px; color: #111; }
.product-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.6; }
.product-link { color: var(--primary); font-weight: bold; font-size: 13px; display: inline-block; margin-top: auto; }

/* --- Advantages --- */
.advantages { background: var(--bg-dark); color: #fff; padding: 100px 0; }
.adv-container { display: grid; grid-template-columns: 3fr 7fr; gap: 50px; align-items: center; }
.adv-title { font-size: 32px; font-weight: bold; margin-bottom: 15px; }
.adv-desc { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.8; }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.adv-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 30px 20px; border-radius: 8px; transition: 0.3s; }
.adv-item:hover { background: rgba(255,255,255,0.08); border-color: var(--primary); transform: translateY(-5px); }
.adv-icon { width: 44px; height: 44px; margin-bottom: 20px; font-size: 36px; color: #fff; }
.adv-item-title { font-size: 18px; margin-bottom: 10px; }
.adv-item-desc { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* --- Solutions --- */
.solutions-container { display: flex; gap: 50px; align-items: center; }
.solutions-sidebar { width: 280px; flex-shrink: 0; }
.solutions-sidebar .section-title { margin-bottom: 15px; color: #003380; }
.solutions-sidebar .section-desc { font-size: 14px; margin-bottom: 30px; line-height: 1.8; }
.solutions-grid { display: flex; gap: 20px; overflow-x: auto; padding-bottom: 20px; flex: 1; scrollbar-width: none; }
.solutions-grid::-webkit-scrollbar { display: none; }
.sol-card { position: relative; border-radius: 8px; overflow: hidden; height: 280px; min-width: 200px; flex: 1; box-shadow: 0 4px 15px rgba(0,0,0,0.08); cursor: pointer; }
.sol-img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; filter: brightness(0.85); }
.sol-card:hover .sol-img { transform: scale(1.1); filter: brightness(0.7); }
.sol-info { position: absolute; bottom: 0; left: 0; width: 100%; padding: 25px 20px; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent); color: #fff; }
.sol-title { font-size: 18px; font-weight: bold; margin-bottom: 5px; }
.sol-desc { font-size: 12px; color: rgba(255,255,255,0.7); }

/* --- News --- */
.news-container { background: #f4f7fb; }
.news-header { display: flex; align-items: center; margin-bottom: 40px; }
.news-header .section-title { margin-bottom: 0; color: #003380; position: relative; padding-bottom: 10px; }
.news-header .section-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 3px; background: var(--primary); }
.news-tabs { display: flex; gap: 30px; margin-left: 40px; flex: 1; }
.tab { padding: 10px 0; cursor: pointer; font-size: 15px; color: var(--text-muted); position: relative; font-weight: 500; transition: 0.3s; }
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); font-weight: bold; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-card { display: flex; flex-direction: row; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.04); transition: 0.3s; border: 1px solid rgba(0,0,0,0.03); height: 180px; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.news-img-wrapper { width: 40%; flex-shrink: 0; background: #f9f9f9; display: flex; align-items: stretch; justify-content: center; overflow: hidden; height: 100%; }
.news-img { width: 100%; height: 100%; object-fit: cover; }
.news-info { padding: 25px 20px; display: flex; flex-direction: column; width: 60%; justify-content: center; }
.news-date { font-size: 12px; color: #888; margin-bottom: 8px; font-family: monospace; }
.news-title { font-size: 16px; font-weight: bold; margin-bottom: 10px; color: #222; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.view-all { color: var(--primary); font-weight: bold; font-size: 14px; }

/* --- Footer --- */
.footer { background: var(--bg-dark); color: #fff; padding-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr 1.5fr; gap: 30px; margin-bottom: 60px; }
.f-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.f-logo h2 { font-size: 24px; font-weight: bold; }
.f-desc { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 20px; }
.f-socials { display: flex; gap: 10px; }
.f-socials .social { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; transition: 0.3s; font-size: 14px; font-weight: bold; }
.f-socials .social:hover { background: var(--primary); }
.footer-links h3 { font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-links h3::after { content:''; position:absolute; bottom:0; left:0; width:30px; height:2px; background:var(--primary); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--primary); }

.footer-contact h3 { font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-contact h3::after { content:''; position:absolute; bottom:0; left:0; width:30px; height:2px; background:var(--primary); }
.footer-contact p { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 10px; }
.footer-contact .phone { font-size: 16px; font-weight: bold; color: #fff; margin-bottom: 15px;}
.qr-codes { display: flex; gap: 15px; margin-top: 20px; }
.qr-codes img { width: 80px; height: 80px; background: #fff; padding: 5px; border-radius: 4px; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; font-size: 12px; color: rgba(255,255,255,0.4); }
.text-center { text-align: center; }

/* ==================== 动画系统（参考 animate.css 优化） ==================== */
[data-animate] {
  opacity: 0;
  visibility: hidden;
  will-change: opacity, transform;
}

[data-animate].animate-in {
  opacity: 1;
  visibility: visible;
}

/* ---- 核心动画关键帧（使用 translate3d 强制 GPU 加速） ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 60px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-60px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(60px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale3d(0.85, 0.85, 0.85);
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  50% {
    opacity: 1;
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

@keyframes slideInUp {
  from {
    transform: translate3d(0, 100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInLeft {
  from {
    transform: translate3d(-100%, 0, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInRight {
  from {
    transform: translate3d(100%, 0, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

/* ---- 动画类（animate.css 风格：时长 1s，ease-out-quart 缓动） ---- */
[data-animate="fade-up"].animate-in {
  animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="fade-left"].animate-in {
  animation: fadeInLeft 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="fade-right"].animate-in {
  animation: fadeInRight 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="fade-down"].animate-in {
  animation: fadeInDown 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="scale-in"].animate-in {
  animation: scaleIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="zoom-in"].animate-in {
  animation: zoomIn 1s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}

[data-animate="slide-up"].animate-in {
  animation: slideInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="slide-left"].animate-in {
  animation: slideInLeft 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

[data-animate="slide-right"].animate-in {
  animation: slideInRight 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

/* ==================== 通用组件样式（提取自内联style） ==================== */

/* 图标样式 */
.icon-36 { font-size: 36px; }
.icon-32 { font-size: 32px; }
.icon-28 { font-size: 28px; }
.icon-24 { font-size: 24px; }
.icon-20 { font-size: 20px; }
.icon-primary { color: var(--primary); }
.icon-white { color: #fff; }

/* 页面头部通用 */
.page-header {
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  text-align: center;
  position: relative;
}
.page-header-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 48, 127, 0.8);
}
.page-header-content {
  position: relative;
  z-index: 10;
  color: #fff;
}
.page-header-title {
  font-size: 40px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #fff;
}
.page-header-desc {
  color: rgba(255,255,255,0.9);
}

/* 产品侧边栏 */
.product-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 90px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.03);
}
.product-sidebar-header {
  background: var(--primary);
  color: #fff;
  padding: 20px;
}
.product-sidebar-title {
  font-size: 18px;
  font-weight: bold;
}
.product-sidebar-subtitle {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 5px;
}

/* 分类项 */
.cat-item {
  padding: 14px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f5f5f5;
  transition: 0.3s;
  font-size: 14px;
  color: #333;
}
.cat-item.active {
  color: var(--primary);
  background: rgba(0, 85, 203, 0.05);
}
.cat-item-icon {
  font-size: 11px;
  color: #ccc;
}

/* 新闻分类标签 */
.news-top-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 1px solid #eee;
}
.news-tab-item {
  padding: 14px 30px;
  cursor: pointer;
  font-size: 15px;
  color: #333;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: 0.3s;
  font-weight: 500;
}
.news-tab-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* 新闻列表项 */
.news-list-item {
  display: flex;
  gap: 30px;
  border-bottom: 1px solid #eee;
  padding-bottom: 30px;
}
.news-list-img {
  width: 280px;
  height: 180px;
  flex: none;
  overflow: hidden;
  border-radius: 8px;
}
.news-list-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-list-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-list-date {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: bold;
}
.news-list-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 15px;
}
.news-list-title a {
  color: #111;
  text-decoration: none;
}
.news-list-desc {
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
}
.news-list-link {
  color: #888;
  font-size: 13px;
  text-decoration: none;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 50px;
}
.pagination-item {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: #fff;
  border: 1px solid #ddd;
  color: #666;
  border-radius: 4px;
  cursor: pointer;
}
.pagination-item.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 产品卡片（products.html专用） */
.product-card-fixed {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 360px;
}
.product-card-img-wrapper {
  height: 200px;
  flex: none;
}
.product-card-img {
  object-fit: cover;
}
.product-card-info {
  flex: 1;
}

/* 表单样式 */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-label {
  font-size: 14px;
  color: #444;
  font-weight: 500;
}
.form-input {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus {
  border-color: #0055cb;
}
.form-textarea {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  resize: none;
  flex: 1;
  transition: border-color 0.2s;
}
.form-textarea:focus {
  border-color: #0055cb;
}
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* 关于页面样式 */
.about-intro {
  display: flex;
  gap: 60px;
  align-items: center;
  margin-bottom: 100px;
}
.about-intro-content {
  flex: 1.2;
}
.about-intro-title {
  font-size: 36px;
  font-weight: bold;
  color: #111;
  margin-bottom: 25px;
  line-height: 1.3;
}
.about-intro-title-accent {
  color: var(--primary);
}
.about-intro-text {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 16px;
}
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #fff;
  padding: 25px 0;
  border-top: 1px solid #eee;
}
.about-stat-value {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 2px;
}
.about-stat-unit {
  font-size: 20px;
}
.about-stat-label {
  font-size: 14px;
  color: #888;
  font-weight: 500;
}
.about-intro-image {
  flex: 1;
  position: relative;
}
.about-intro-img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
  display: block;
}
.about-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.about-badge-content {
  display: flex;
  align-items: center;
  gap: 15px;
}
.about-badge-icon {
  font-size: 32px;
  color: var(--primary);
}
.about-badge-title {
  font-size: 16px;
  font-weight: bold;
  color: #111;
}
.about-badge-desc {
  font-size: 13px;
  color: #666;
}

/* 企业文化卡片 */
.culture-section {
  margin-bottom: 100px;
}
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.culture-card {
  background: #f9fbfd;
  padding: 40px;
  border-radius: 12px;
  transition: transform 0.3s;
}
.culture-card:hover {
  transform: translateY(-5px);
}
.culture-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  color: #fff;
  font-size: 32px;
}
.culture-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 15px;
}
.culture-desc {
  color: #666;
  line-height: 1.7;
}

/* 发展历程时间线 */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 30px;
}
.timeline-line {
  position: absolute;
  left: 34px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: #e5e7eb;
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-dot {
  position: absolute;
  left: -14px;
  top: 5px;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-dot-inactive {
  left: -11px;
  width: 14px;
  height: 14px;
  background: #fff;
  border: 3px solid var(--primary);
  border-radius: 50%;
}
.timeline-content {
  padding-left: 40px;
}
.timeline-year {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 5px;
}
.timeline-year-dark {
  font-size: 20px;
  font-weight: bold;
  color: #111;
  margin-bottom: 5px;
}
.timeline-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
}
.timeline-desc {
  color: #666;
  line-height: 1.6;
}

/* 解决方案卡片 */
.solution-card {
  display: flex;
  gap: 40px;
  background: #fff;
  box-shadow: 0 10px 40px rgba(0,0,0,0.05);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #f0f0f0;
}
.solution-card-img {
  width: 40%;
  object-fit: cover;
}
.solution-card-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.solution-card-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: #111;
}
.solution-card-desc {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}
.solution-card-link {
  color: var(--primary);
  font-weight: bold;
  text-decoration: none;
}
.solution-card-reverse {
  flex-direction: row-reverse;
}

/* 联系信息卡片 */
.contact-info-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}
.contact-info-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 85, 203, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  color: var(--primary);
  font-size: 24px;
}
.contact-info-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
}
.contact-info-value {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary);
}
.contact-info-note {
  font-size: 14px;
  color: #888;
  margin-top: 5px;
}
.contact-info-text {
  color: #444;
  font-size: 16px;
  line-height: 1.6;
}

/* 联系表单卡片 */
.contact-form-card {
  background: #fff;
  padding: 50px 40px;
  border-radius: 12px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.06);
  border: 1px solid #f9f9f9;
  display: flex;
  flex-direction: column;
}
.contact-form-title {
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 10px;
}
.contact-form-desc {
  color: #666;
  margin-bottom: 30px;
}
.contact-form-submit {
  border: none;
  cursor: pointer;
  border-radius: 6px;
  width: 100%;
  font-size: 16px;
  font-weight: bold;
  padding: 16px 0;
  margin-top: 10px;
  box-shadow: 0 4px 15px rgba(0, 85, 203, 0.3);
}
.contact-form-note {
  font-size: 13px;
  color: #888;
  text-align: center;
  margin-top: -10px;
}

/* 地图占位 */
.map-placeholder {
  width: 100%;
  height: 400px;
  background: #eef1f6;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border: 1px solid #e0e6ed;
}
.map-placeholder-icon {
  font-size: 60px;
  color: #bdc3c7;
  margin-bottom: 15px;
}
.map-placeholder-text {
  font-size: 18px;
  font-weight: 500;
  color: #7f8c8d;
}
.map-placeholder-note {
  font-size: 14px;
  color: #95a5a6;
  margin-top: 5px;
}

/* 服务中心卡片 */
.service-card {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #eee;
}
.service-card-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--primary);
}
.service-card-text {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 详情页面通用 */
.article-section {
  padding: 80px 0;
}
.article-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

/* ==================== 页面头部背景图 ==================== */
.page-header-products {
  background-image: url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1920&q=80');
}
.page-header-news {
  background-image: url('https://images.unsplash.com/photo-1565514020179-026b92b84bb6?auto=format&fit=crop&w=1920&q=80');
}
.page-header-about {
  background-image: url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1920&q=80');
}
.page-header-contact {
  background-image: url('https://images.unsplash.com/photo-1540575467063-178a50c2df87?auto=format&fit=crop&w=1920&q=80');
}
.page-header-solutions {
  background-image: url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1920&q=80');
}
.page-header-support {
  background-image: url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1920&q=80');
}

/* ==================== 通用工具类 ==================== */
.btn-radius-sm {
  border-radius: 4px;
}
.text-white-90 {
  color: rgba(255,255,255,0.9);
}

/* ==================== products.html 补充样式 ==================== */
.products-page-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}
.products-page-bg {
  background: #f9fafc;
}

/* ==================== news.html 补充样式 ==================== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* ==================== product-detail.html 样式 ==================== */
.breadcrumb {
  background: #f4f6f8;
  padding: 20px 0;
}
.breadcrumb-text {
  color: #666;
  font-size: 14px;
}
.breadcrumb-text a {
  color: #666;
  text-decoration: none;
}
.product-detail-grid {
  display: flex;
  gap: 40px;
  margin-bottom: 60px;
}
.product-detail-img-wrapper {
  flex: 1;
}
.product-detail-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.product-detail-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-detail-title {
  font-size: 32px;
  color: #111;
  margin-bottom: 20px;
}
.product-detail-desc {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 30px;
}
.product-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}
.product-spec-item {
  background: #f9fafc;
  padding: 15px 20px;
  border-radius: 6px;
}
.product-spec-label {
  font-size: 13px;
  color: #888;
}
.product-spec-value {
  font-size: 18px;
  font-weight: bold;
  color: #003380;
}
.product-features {
  background: #fff;
  padding: 40px;
  border: 1px solid #eee;
  border-radius: 8px;
}
.product-features-title {
  font-size: 20px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 10px;
  display: inline-block;
}
.product-feature-list {
  list-style: none;
  padding: 0;
  line-height: 2;
}
.product-feature-item {
  position: relative;
  padding-left: 20px;
}
.product-feature-dot {
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ==================== news-detail.html 样式 ==================== */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 50px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}
.article-title {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #111;
}
.article-meta {
  font-size: 14px;
  color: #888;
  border-bottom: 1px solid #eee;
  padding-bottom: 20px;
  margin-bottom: 30px;
}
.article-content {
  font-size: 16px;
  color: #444;
  line-height: 2;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content img {
  width: 100%;
  border-radius: 8px;
  margin: 30px 0;
}
.article-content h3 {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #111;
  margin-top: 40px;
}

/* ==================== 联系信息卡片（contact.html） ==================== */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* ==================== 联系表单（contact.html） ==================== */
.contact-form-wrapper {
  background: #fff;
  padding: 50px 40px;
  border-radius: 12px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.06);
  border: 1px solid #f9f9f9;
  display: flex;
  flex-direction: column;
}

/* ==================== 分支机构卡片（contact.html） ==================== */
.branches-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ==================== 解决方案卡片（solutions.html） ==================== */
.solutions-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* ==================== 服务卡片（support.html） ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-bottom: 80px;
}

/* ==================== support.html CTA Banner ==================== */
.support-cta {
  background: linear-gradient(135deg, #09307f 0%, #0055cb 100%);
  padding: 60px;
  border-radius: 24px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(0, 85, 203, 0.2);
  position: relative;
  overflow: hidden;
}
.support-cta-circle-1 {
  position: absolute;
  right: -50px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 40px solid rgba(255,255,255,0.1);
}
.support-cta-circle-2 {
  position: absolute;
  right: 200px;
  bottom: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 30px solid rgba(255,255,255,0.08);
}
.support-cta-content {
  position: relative;
  z-index: 10;
}
.support-cta-title {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 15px;
}
.support-cta-desc {
  font-size: 18px;
  opacity: 0.9;
  max-width: 500px;
  line-height: 1.6;
}
.support-cta-phone-wrap {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.support-cta-phone {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}
.support-cta-badge {
  background: rgba(255,255,255,0.2);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
}

/* ==================== 服务卡片增强 ==================== */
.service-card-enhanced {
  background: #fff;
  padding: 50px 40px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.02);
  transition: all 0.3s;
  cursor: pointer;
}
.service-card-enhanced:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0,85,203,0.1);
}
.service-card-icon-wrap {
  width: 70px;
  height: 70px;
  background: rgba(0,85,203,0.05);
  color: var(--primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  font-size: 32px;
}
.service-card-icon-wrap.rotate-left {
  transform: rotate(-10deg);
}
.service-card-icon-wrap.rotate-right {
  transform: rotate(10deg);
}
.service-card-icon-wrap.rotate-left-sm {
  transform: rotate(-5deg);
}
.service-card-icon-wrap.rotate-right-sm {
  transform: rotate(5deg);
}
.service-card-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==================== 分支机构卡片 ==================== */
.branch-card {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #eee;
}
.branch-card-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--primary);
}
.branch-card-text {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 详情页面通用 */
.detail-breadcrumb {
  background: #f4f6f8;
  padding: 20px 0;
}
.detail-breadcrumb-text {
  color: #666;
  font-size: 14px;
}
.detail-breadcrumb-text a {
  color: #666;
  text-decoration: none;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-title { font-size: 40px; }
  .hero-bottom-wrap { position: static; flex-direction: column; height: auto; padding: 20px 0; margin-top: 20px; gap: 15px; }
  .features-bar { width: 100%; flex-wrap: wrap; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-radius: 8px; padding: 20px 0; }
  .feature-divider { display: none; }
  .feature-item { min-width: 45%; margin-bottom: 15px; border-right: none; }
  .hero-controls { align-self: flex-end; padding: 10px 20px; }
  .about-grid { grid-template-columns: 1fr; }
  .adv-container { grid-template-columns: 1fr; }
  .solutions-container { flex-direction: column; align-items: flex-start; gap: 30px; }
  .solutions-sidebar { width: 100%; }
  .solutions-grid { width: 100%; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card { flex-direction: column; }
  .news-img-wrapper { width: 100%; height: 200px; }
  .news-info { width: 100%; }
  .about-intro { flex-direction: column; }
  .solution-card { flex-direction: column; }
  .solution-card-img { width: 100%; height: 200px; }
  .article-grid-2 { grid-template-columns: 1fr; }
  .products-page-layout { flex-direction: column; }
  .product-sidebar { width: 100%; position: static; }
  .product-detail-grid { flex-direction: column; }
  .support-cta { flex-direction: column; gap: 30px; text-align: center; }
  .support-cta-phone-wrap { align-items: center; }
}
@media (max-width: 768px) {
  .mobile-menu-toggle { display: block; }
  .header-nav { display: none; width: 100%; flex-direction: column; position: absolute; top: 100%; left: 0; background: #fff; box-shadow: 0 10px 20px rgba(0,0,0,0.1); padding: 15px 20px; gap: 0; border-top: 1px solid #eee; }
  .header-nav.is-open { display: flex; }
  .header-nav > a, .nav-item > a { padding: 16px 0; width: 100%; border-bottom: 1px solid #eee; font-size: 16px; }
  .header-nav > a.active::after { display: none; }
  .nav-item { width: 100%; }
  .nav-item > a { justify-content: space-between; }
  .dropdown-menu { position: static; transform: none; box-shadow: none; display: none; opacity: 1; visibility: visible; border-radius: 0; padding: 0 0 0 15px; border-bottom: 1px solid #eee; background: #fdfdfd; margin-top: 0; }
  .nav-item.is-open .dropdown-menu { display: flex; }
  .dropdown-menu a { padding: 12px 10px; border-bottom: 1px dashed #eee !important; font-size: 14px; }
  .dropdown-menu a:last-child { border-bottom: none !important; }

  .header-contact { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .product-specs-grid { grid-template-columns: 1fr; }
  .support-cta-phone { font-size: 32px; }
}