:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --primary-dark: #0f2744;
  --accent: #d69e2e;
  --accent-hover: #b7791f;
  --accent-light: #f6e05e;
  --bg: #f7fafc;
  --bg-white: #ffffff;
  --text: #2d3748;
  --text-light: #718096;
  --text-lighter: #a0aec0;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.02);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 动画关键帧 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26, 54, 93, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(26, 54, 93, 0.98);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bg-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(214, 158, 46, 0.3);
}
.logo-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent-light);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}
.nav-contact {
  display: flex;
  align-items: center;
  gap: 16px;
}
.phone-number {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  transition: var(--transition);
}
.phone-number:hover { color: var(--accent-light); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn:hover::before { left: 100%; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--bg-white);
  box-shadow: 0 4px 14px rgba(214, 158, 46, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(214, 158, 46, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--bg-white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--bg-white);
  color: var(--primary);
}
.btn-white:hover {
  background: var(--bg);
  transform: translateY(-2px);
}
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }
.btn-sm { padding: 6px 16px; font-size: 0.85rem; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--bg-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.mobile-menu-btn:hover { background: rgba(255,255,255,0.1); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(26, 54, 93, 0.98);
  backdrop-filter: blur(20px);
  padding: 16px 24px;
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
  display: block;
}
.mobile-menu a {
  display: block;
  color: rgba(255,255,255,0.9);
  padding: 14px 0;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--accent-light);
  padding-left: 8px;
}
.mobile-menu .btn-primary {
  margin-top: 12px;
  width: 100%;
  text-align: center;
}

/* ===== 页面标题区 ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1e4e8c 100%);
  color: var(--bg-white);
  padding: 150px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(214, 158, 46, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.03) 0%, transparent 50%);
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--bg), transparent);
}
.page-header-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}
.page-header h1 {
  font-size: 2.75rem;
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
  animation: fadeInDown 0.8s ease;
}
.page-header p {
  font-size: 1.15rem;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.9rem;
  opacity: 0.7;
  animation: fadeIn 1s ease 0.4s both;
}
.breadcrumb a { color: var(--accent-light); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ===== 内容容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 100px 0;
  position: relative;
}
.section-alt { background: var(--bg-white); }
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title.center { text-align: center; }
.section-title.left { text-align: left; }
.section-label {
  display: inline-block;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.12), rgba(214, 158, 46, 0.05));
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
  border: 1px solid rgba(214, 158, 46, 0.15);
}
.section-title h2 {
  font-size: 2.25rem;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.section-title p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== 卡片系统 ===== */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(214, 158, 46, 0.2);
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.1), rgba(214, 158, 46, 0.05));
  color: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: var(--transition);
}
.card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--bg-white);
}
.card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}
.card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== 网格系统 ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ===== 页脚 ===== */
.footer {
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--bg-white);
  padding: 80px 0 30px;
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover), var(--accent));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1.8fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer h4 {
  font-size: 1rem;
  margin-bottom: 24px;
  color: var(--accent-light);
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links {
  list-style: none;
}
.footer-links li { margin-bottom: 4px; }
.footer-links a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
}
.footer-links a::before {
  content: '';
  position: absolute;
  left: -12px; top: 50%;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transform: translateY(-50%);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--bg-white);
  padding-left: 12px;
}
.footer-links a:hover::before { opacity: 1; left: 0; }
.footer-contact p, .footer-contact a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9rem;
  line-height: 1.6;
  transition: var(--transition);
}
.footer-contact a:hover { color: var(--accent-light); }
.footer-contact svg {
  width: 18px; height: 18px;
  min-width: 18px;
  margin-top: 2px;
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 移动端底部固定栏 ===== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  z-index: 1001;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
}
.mobile-bottom-bar .bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.7rem;
  transition: var(--transition);
  padding: 4px 0;
  position: relative;
}
.mobile-bottom-bar .bar-item svg {
  width: 22px; height: 22px;
  transition: var(--transition);
}
.mobile-bottom-bar .bar-item.active,
.mobile-bottom-bar .bar-item:hover {
  color: var(--accent);
}
.mobile-bottom-bar .bar-item.active svg,
.mobile-bottom-bar .bar-item:hover svg {
  transform: translateY(-2px);
}
.mobile-bottom-bar .bar-item .badge {
  position: absolute;
  top: 2px; right: calc(50% - 16px);
  width: 8px; height: 8px;
  background: #e53e3e;
  border-radius: 50%;
  border: 2px solid var(--bg-white);
}

/* ===== 统计数字 ===== */
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: inline-block;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 8px;
}

/* ===== 标签/徽章 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg);
  color: var(--text-light);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.tag:hover, .tag.active {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
}

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.form-group label .required { color: #e53e3e; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-white);
  transition: var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.1);
}
.form-control::placeholder { color: var(--text-lighter); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"); background-position: right 12px center; background-repeat: no-repeat; background-size: 20px; padding-right: 40px; }

/* ===== 价格卡片 ===== */
.pricing-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
  text-align: center;
}
.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}
.pricing-card.featured {
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
  z-index: 2;
}
.pricing-card.featured:hover { transform: scale(1.05) translateY(-10px); }
.pricing-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #38a169, #2f855a);
  color: var(--bg-white);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(56, 161, 105, 0.3);
}
.pricing-card h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.pricing-price span {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 400;
}
.pricing-divider {
  width: 40px; height: 3px;
  background: var(--accent);
  margin: 20px auto;
  border-radius: 2px;
}
.pricing-features {
  list-style: none;
  text-align: left;
  margin: 24px 0;
}
.pricing-features li {
  padding: 10px 0;
  color: var(--text-light);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.pricing-features li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== 案例卡片 ===== */
.case-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.case-card-img {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  position: relative;
  overflow: hidden;
}
.case-card-img::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}
.case-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.case-card:hover .case-card-img img { transform: scale(1.08); }
.case-card-body { padding: 24px; }
.case-card-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.case-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}
.case-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* ===== 产品卡片 ===== */
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.product-card-img {
  height: 200px;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
  position: relative;
  overflow: hidden;
}
.product-card-img .placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-lighter);
  font-size: 0.9rem;
}
.product-card-body { padding: 24px; }
.product-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.product-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}
.product-card-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.product-card-link:hover { gap: 8px; }

/* ===== 新闻列表 ===== */
.news-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.news-item:hover { padding-left: 8px; }
.news-item:last-child { border-bottom: none; }
.news-date {
  min-width: 50px;
  text-align: center;
}
.news-date .day {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.news-date .month {
  font-size: 0.75rem;
  color: var(--text-lighter);
  text-transform: uppercase;
}
.news-content h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 4px;
  font-weight: 500;
  transition: var(--transition);
}
.news-item:hover .news-content h4 { color: var(--accent); }
.news-content p {
  font-size: 0.85rem;
  color: var(--text-lighter);
}

/* ===== 信息表格 ===== */
.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.info-table td:first-child {
  width: 140px;
  color: var(--text-light);
  font-weight: 500;
}
.info-table tr:last-child td { border-bottom: none; }
.info-table tr:hover td { background: rgba(214, 158, 46, 0.02); }

/* ===== 联系信息卡片 ===== */
.contact-info-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  height: 100%;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
  width: 48px; height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.1), rgba(214, 158, 46, 0.05));
  color: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.contact-info-item h4 {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
  font-weight: 500;
}
.contact-info-item p, .contact-info-item a {
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}
.contact-info-item a:hover { color: var(--accent); }

/* ===== 热线卡片 ===== */
.hotline-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 24px;
}
.hotline-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
}
.hotline-card h4 {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 8px;
  position: relative;
}
.hotline-card .number {
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  letter-spacing: 1px;
}

/* ===== 表单卡片 ===== */
.form-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.form-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.form-card-header .icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--bg-white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-card h3 {
  font-size: 1.25rem;
  color: var(--primary);
}
.form-card .hint {
  font-size: 0.85rem;
  color: var(--text-lighter);
  margin-bottom: 24px;
}

/* ===== 行业标签云 ===== */
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.industry-tag {
  padding: 10px 20px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  transition: var(--transition);
  cursor: default;
}
.industry-tag:hover {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== 合作伙伴 ===== */
.partner-logo {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
}
.partner-logo:hover {
  border-color: var(--accent);
  color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ===== 资质认证 ===== */
.cert-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.cert-card .cert-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.1), rgba(214, 158, 46, 0.05));
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.2rem;
}
.cert-card h4 {
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.cert-card p {
  font-size: 0.8rem;
  color: var(--text-lighter);
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: scale(1); }
  .pricing-card.featured:hover { transform: scale(1) translateY(-10px); }
}

@media (max-width: 768px) {
  .nav-links, .nav-contact .phone-number { display: none; }
  .mobile-menu-btn { display: block; }
  .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-header { padding: 120px 20px 60px; }
  .page-header h1 { font-size: 1.75rem; }
  .section { padding: 60px 0; }
  .section-title h2 { font-size: 1.5rem; }
  .mobile-bottom-bar { display: flex; }
  body { padding-bottom: 70px; }
  .stat-number { font-size: 2rem; }
  .container { padding: 0 16px; }
  .form-card { padding: 24px; }
  .case-card-img { height: 180px; }
}

@media (max-width: 480px) {
  .page-header h1 { font-size: 1.5rem; }
  .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
  .pricing-price { font-size: 2.25rem; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-lighter); }

/* ===== 选择高亮 ===== */
::selection {
  background: rgba(214, 158, 46, 0.2);
  color: var(--primary);
}

/* ===== 新闻列表页 ===== */
.news-filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.news-filter-btn {
  padding: 10px 28px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--bg-white);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.news-filter-btn:hover, .news-filter-btn.active {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.news-list-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
}
.news-list-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-hover));
  transform: scaleY(0);
  transition: transform 0.3s ease;
  border-radius: 2px 0 0 2px;
}
.news-list-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(214, 158, 46, 0.2);
}
.news-list-card:hover::before {
  transform: scaleY(1);
}
.news-list-card .meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.news-list-card .meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.1), rgba(214, 158, 46, 0.05));
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(214, 158, 46, 0.15);
}
.news-list-card .meta-date {
  font-size: 0.85rem;
  color: var(--text-lighter);
  display: flex;
  align-items: center;
  gap: 4px;
}
.news-list-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
  transition: var(--transition);
}
.news-list-card:hover h3 {
  color: var(--accent);
}
.news-list-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--bg-white);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.pagination a:hover, .pagination span.active {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
}

/* ===== 文章详情页 ===== */
.article-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--bg-white);
  padding: 140px 24px 80px;
  position: relative;
  overflow: hidden;
}
.article-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg), transparent);
}
.article-header-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}
.article-header .breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  opacity: 0.7;
}
.article-header .breadcrumb a { color: var(--accent-light); text-decoration: none; }
.article-header .breadcrumb a:hover { text-decoration: underline; }
.article-header h1 {
  font-size: 2rem;
	 
	text-align: center;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.4;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.article-meta .tag {
  background: rgba(255,255,255,0.15);
	 
	margin: 0px auto;
  color: var(--accent-light);
  border: 1px solid rgba(255,255,255,0.2);
}
.article-meta .date, .article-meta .author {
  font-size: 0.9rem;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-body {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
}
.article-content {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}
.article-content h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.article-content h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin: 32px 0 16px;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content strong {
  color: var(--primary);
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.05), transparent);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-light);
}
.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow-md);
}
.article-content code {
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 0.9em;
  color: var(--accent);
}
.article-content pre {
  background: var(--primary-dark);
  color: var(--bg-white);
  padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 20px 0;
  font-size: 0.9rem;
  line-height: 1.6;
}
.article-content pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}
.article-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.article-share {
  display: flex;
  gap: 8px;
}
.share-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.share-btn:hover {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.related-articles {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.related-articles h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 768px) {
  .article-header { padding: 120px 20px 60px; }
  .article-header h1 { font-size: 1.5rem; }
  .article-content { padding: 28px; }
  .news-list-card { padding: 20px 24px; }
}