/* ===== 全局变量与基础样式 ===== */
:root {
  --primary: #1a365d;
  --primary-light: #2a4a7f;
  --primary-dark: #0f2440;
  --accent: #c8a44e;
  --accent-light: #dbb866;
  --accent-dark: #a88832;
  --text-dark: #1a1a2e;
  --text-medium: #4a4a6a;
  --text-light: #7a7a9a;
  --bg-white: #ffffff;
  --bg-light: #f5f7fa;
  --bg-gray: #e8ecf1;
  --border-light: #d0d8e8;
  --shadow-sm: 0 2px 8px rgba(26, 54, 93, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 54, 93, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 54, 93, 0.16);
  --shadow-xl: 0 16px 48px rgba(26, 54, 93, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
  --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  overflow: hidden;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--primary);
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
}

/* 导航栏图片logo */
.nav-logo .logo-image {
  height: 56px !important;
  width: auto !important;
  max-width: 240px !important;
  object-fit: contain;
  display: block;
  margin: 0;
}

.nav-logo {
  gap: 0 !important;
  padding: 0 !important;
  line-height: 1 !important;
  height: auto !important;
  align-items: center !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-medium);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.nav-phone::after {
  content: '(微信同号)';
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 400;
}

.nav-phone svg {
  width: 18px;
  height: 18px;
}

/* 按钮内箭头图标颜色继承 */
.btn-primary svg,
.btn-outline svg {
  width: 16px;
  height: 16px;
  color: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero 区域 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8a44e' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -5%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 164, 78, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 164, 78, 0.15);
  border: 1px solid rgba(200, 164, 78, 0.3);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: white;
  margin-bottom: 16px;
}

.hero-title .highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(10px);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.hero-card-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-logo svg {
  width: 28px;
  height: 28px;
  color: white;
}

.hero-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
}

.hero-card-badge {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: rgba(200, 164, 78, 0.2);
  color: var(--accent-light);
  border-radius: 100px;
  font-weight: 500;
}

.hero-card-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-card-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-card-feature svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.hero-floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  backdrop-filter: blur(10px);
  animation: float 6s ease-in-out infinite;
}

.hero-floating-card.card-1 {
  top: -20px;
  right: -30px;
  animation-delay: 0s;
}

.hero-floating-card.card-2 {
  bottom: -20px;
  left: -30px;
  animation-delay: 3s;
}

.hero-floating-card .floating-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.hero-floating-card .floating-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* ===== 通用区域样式 ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: rgba(200, 164, 78, 0.1);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== 产品展示区 ===== */
.products-section {
  background: var(--bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card-banner {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.product-card-banner.jingdouyun {
  background: linear-gradient(135deg, #1a365d, #2a5a8f, #3a7abf);
}

.product-card-banner.aixingchen {
  background: linear-gradient(135deg, #0a1628, #1a2a4a, #2a4a6a);
}

.product-card-banner.aixingkong {
  background: linear-gradient(135deg, #0f2540, #1a365d, #2a5a8f);
}

.product-card-banner.integration {
  background: linear-gradient(135deg, #1a365d, #1a4a3a, #2a6a4a);
}

.product-card-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath fill-rule='evenodd' d='M0 38.59l2.83-2.83 18.95 18.95 2.83-2.83L5.66 14.76l2.83-2.83 18.95 18.95 2.83-2.83L11.31 5.66l2.83-2.83 18.95 18.95 2.83-2.83L16.97 0l.71.71L38.59 21.62l.71.71-2.83 2.83L16.97 3.76l-2.83 2.83L35.07 24.7l-2.83 2.83L11.31 8.77l-2.83 2.83L29.41 30.7l-2.83 2.83L5.66 10.97l-2.83 2.83L23.76 36.7l-2.83 2.83L0 15.97z'/%3E%3C/g%3E%3C/svg%3E");
}

.product-card-banner .banner-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.product-card-banner .banner-label {
  position: absolute;
  bottom: 16px;
  left: 24px;
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
}

.product-card-banner .banner-sublabel {
  position: absolute;
  bottom: 16px;
  right: 24px;
  font-size: 0.8rem;
  padding: 4px 12px;
  background: rgba(200, 164, 78, 0.3);
  color: var(--accent-light);
  border-radius: 100px;
}

.product-card-body {
  padding: 32px;
}

.product-card-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.product-card-body p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.product-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-medium);
  padding: 8px 0;
}

.product-feature-item .feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== 优势区 ===== */
.advantages-section {
  background: var(--bg-white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-card:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon svg {
  width: 32px;
  height: 32px;
  color: white;
}

.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== 服务流程 ===== */
.process-section {
  background: var(--bg-light);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary), var(--accent));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--bg-white);
  border: 3px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-dark);
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: var(--bg-light);
  border-radius: 50%;
}

.step-number span {
  position: relative;
  z-index: 1;
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== 客户案例 ===== */
.testimonials-section {
  background: var(--bg-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}

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

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 24px;
  position: relative;
  padding-left: 20px;
}

.testimonial-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -4px;
  font-size: 2rem;
  color: var(--accent);
  font-weight: 700;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
}

.testimonial-info p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ===== CTA 区域 ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8a44e' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
}

.cta-buttons .btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  padding: 14px 32px;
  font-size: 1rem;
}

.cta-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
  padding: 14px 32px;
  font-size: 1rem;
}

.cta-buttons .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ===== 关于我们页 ===== */
.about-hero {
  min-height: 60vh;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
}

.about-hero .container {
  text-align: center;
}

.about-hero .section-tag {
  background: rgba(200, 164, 78, 0.15);
  color: var(--accent-light);
}

.about-hero .section-title {
  color: white;
  font-size: 2.8rem;
}

.about-hero .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.about-content {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.about-value-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.about-value-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.about-value-card p {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* ===== 联系我们页 ===== */
.contact-hero {
  min-height: 50vh;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  padding-top: 72px;
}

.contact-hero .container {
  text-align: center;
}

.contact-hero .section-tag {
  background: rgba(200, 164, 78, 0.15);
  color: var(--accent-light);
}

.contact-hero .section-title {
  color: white;
}

.contact-hero .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.contact-content {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.contact-info-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.9rem;
  color: var(--text-medium);
}

.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-medium);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-main);
  color: var(--text-dark);
  transition: var(--transition);
  background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-white);
  box-shadow: 0 0 0 4px rgba(200, 164, 78, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== 产品详情页 ===== */
.product-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
}

.product-hero.jingdouyun {
  background: linear-gradient(135deg, #1a365d, #2a5a8f, #3a7abf);
}

.product-hero.aixingchen {
  background: linear-gradient(135deg, #0a1628, #1a2a4a, #2a4a6a);
}

.product-hero.aixingkong {
  background: linear-gradient(135deg, #0f2540, #1a365d, #2a5a8f);
}

.product-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-hero-content {
  position: relative;
  z-index: 2;
}

.product-hero-content .section-tag {
  background: rgba(200, 164, 78, 0.15);
  color: var(--accent-light);
}

.product-hero-content .product-name {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.product-hero-content .product-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-hero-visual {
  position: relative;
  z-index: 2;
}

.product-detail-section {
  padding: 80px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-detail-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.product-detail-card:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.product-detail-card .card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.product-detail-card .card-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.product-detail-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-detail-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 集成页面 Hero ===== */
.product-hero.integration {
  background: linear-gradient(135deg, #0a1628, #1a365d, #2a4a7f);
}

/* ===== 痛点卡片 ===== */
.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pain-point-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-left: 4px solid #e74c3c;
}

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

.pain-point-number {
  font-size: 2rem;
  font-weight: 800;
  color: rgba(231, 76, 60, 0.15);
  margin-bottom: 12px;
}

.pain-point-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.pain-point-card p {
  font-size: 0.88rem;
  color: var(--text-medium);
  line-height: 1.7;
}

/* ===== 产品概述（复用 product-detail-card） ===== */
/* 概述和特性区现在统一使用 product-detail-card + card-icon 样式 */

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

/* ===== 场景切换标签 ===== */
.scenario-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.scenario-tab {
  padding: 10px 24px;
  border: 2px solid var(--border-light);
  border-radius: 100px;
  background: var(--bg-white);
  color: var(--text-medium);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}

.scenario-tab:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.scenario-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ===== 场景详情 ===== */
.scenario-detail {
  display: none;
}

.scenario-detail.active {
  display: block;
}

.scenario-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}

.scenario-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  background: #fff3e0;
  color: #e65100;
  border-radius: 100px;
  margin-bottom: 12px;
}

.scenario-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.scenario-info > p {
  font-size: 0.92rem;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 20px;
}

.scenario-highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dark);
  font-weight: 500;
}

.highlight-item svg {
  color: var(--accent-dark);
  flex-shrink: 0;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ===== 数据映射表格 ===== */
.scenario-table-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.scenario-table-wrap h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mapping-table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.mapping-table thead th {
  background: var(--primary);
  color: white;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  white-space: nowrap;
}

.mapping-table thead th:first-child {
  border-radius: 8px 0 0 0;
}

.mapping-table thead th:last-child {
  border-radius: 0 8px 0 0;
}

.mapping-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--bg-gray);
  color: var(--text-dark);
}

.mapping-table .group-row td {
  background: var(--bg-light);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.82rem;
  padding: 8px 14px;
  border-bottom: 2px solid var(--border-light);
}

.mapping-table .arrow {
  text-align: center;
  font-weight: 700;
  color: var(--accent-dark);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ===== 定制对接CTA ===== */
.custom-integration-cta {
  margin-top: 48px;
  background: linear-gradient(135deg, #f8f9ff, #eef2ff);
  border: 2px dashed var(--accent);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
}

.custom-cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.custom-cta-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.custom-integration-cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.custom-integration-cta p {
  font-size: 0.92rem;
  color: var(--text-medium);
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ===== 已支持系统展示 ===== */
.supported-systems {
  max-width: 900px;
  margin: 0 auto;
}

.system-group {
  margin-bottom: 24px;
}

.system-group:last-child {
  margin-bottom: 0;
}

.system-group-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  padding-left: 4px;
}

.system-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.system-pill {
  font-size: 0.82rem;
  padding: 6px 16px;
  background: var(--bg-light);
  color: var(--text-dark);
  border-radius: 8px;
  border: 1px solid var(--border-light);
  font-weight: 500;
  transition: var(--transition);
}

.system-pill:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.system-pill.kingdee {
  background: linear-gradient(135deg, #1a365d, #2a4a7f);
  color: white;
  border-color: transparent;
}

/* ===== 数据成就 ===== */
.integration-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.integration-stat-item {
  padding: 32px 16px;
}

.integration-stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.integration-stat-label {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* ===== 集成页面响应式 ===== */
@media (max-width: 768px) {
  .pain-points-grid {
    grid-template-columns: 1fr;
  }
  .scenario-layout {
    grid-template-columns: 1fr;
  }
  .scenario-tabs {
    gap: 6px;
  }
  .scenario-tab {
    padding: 8px 16px;
    font-size: 0.82rem;
  }
  .integration-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-hero.integration .product-hero-content .product-name {
    font-size: 1.8rem;
  }
  .custom-integration-cta {
    padding: 32px 20px;
  }
  .detail-grid-4col {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .pain-points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .integration-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-brand .footer-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
}

.footer-social a svg {
  width: 20px;
  height: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-social a:hover svg {
  color: white;
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
}

.footer-column a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  padding: 6px 0;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin: 0 auto 40px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 400px;
    margin: 0 auto;
  }

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

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

  .process-steps::before {
    display: none;
  }

  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .product-hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .product-detail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-logo .logo-image {
    height: 48px !important;
    width: auto !important;
    max-width: 200px !important;
  }
}

@media (max-width: 768px) {
  .detail-grid-4col {
    grid-template-columns: 1fr !important;
  }

  /* 导航栏手机优化 */
  .navbar .container {
    height: 60px;
  }

  .nav-logo .logo-image {
    height: 42px !important;
    width: auto !important;
    max-width: 160px !important;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-light);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
  }

  .nav-cta .nav-phone {
    display: none;
  }

  .nav-cta .btn-primary {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  /* Hero 区域手机优化 */
  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 1.8rem;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-outline {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 14px 24px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
  }

  .hero-visual {
    max-width: 100%;
    margin-top: 32px;
  }

  .hero-floating-card {
    display: none;
  }

  /* 通用区块手机优化 */
  section {
    padding: 48px 0;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 1.5rem;
    line-height: 1.4;
  }

  .section-subtitle {
    font-size: 0.9rem;
  }

  .section-header {
    margin-bottom: 32px;
  }

  /* 产品卡片 */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    padding: 24px 20px;
  }

  /* 优势/流程/见证 */
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .advantage-card {
    padding: 20px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonial-card {
    padding: 20px;
  }

  /* 产品详情页 */
  .product-features-list {
    grid-template-columns: 1fr;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 定价区文字排版优化 */
  .pricing-section {
    padding: 48px 0;
  }

  .pricing-section .section-header {
    margin-bottom: 28px;
    text-align: center;
  }

  .pricing-section .section-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }

  .pricing-section .section-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 0 8px;
  }

  .pricing-section .section-tag {
    margin-bottom: 12px;
    font-size: 0.8rem;
    padding: 4px 14px;
  }

  /* 定价卡片手机优化 */
  .pricing-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .pricing-card.featured {
    border-width: 2px;
    order: -1; /* 推荐卡片置顶 */
  }

  .pricing-badge {
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    padding: 3px 10px;
  }

  .pricing-header {
    padding: 24px 20px 20px;
  }

  .pricing-header .version-name {
    font-size: 1.2rem;
    margin-bottom: 4px;
  }

  .pricing-header .version-desc {
    font-size: 0.85rem;
    margin-bottom: 12px;
  }

  .pricing-header .price {
    gap: 2px;
  }

  .pricing-header .price .price-amount {
    font-size: 2.2rem;
  }

  .pricing-header .price .price-symbol {
    font-size: 1rem;
  }

  .pricing-header .price .price-unit {
    font-size: 0.85rem;
  }

  .pricing-body {
    padding: 20px;
  }

  .pricing-body .features-title {
    font-size: 0.82rem;
    margin-bottom: 10px;
  }

  .pricing-body .feature-item {
    font-size: 0.88rem;
    padding: 8px 0;
    gap: 8px;
  }

  .pricing-body .feature-item .check-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  .pricing-footer {
    padding: 20px;
  }

  .pricing-footer .btn-primary,
  .pricing-footer .btn-outline {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.95rem;
  }

  /* 功能对比表手机优化 */
  .version-compare {
    padding: 48px 0;
  }

  .compare-table-wrapper {
    margin: 0 -16px;
    padding: 0 16px;
    border-radius: var(--radius-md);
  }

  .compare-table {
    font-size: 0.82rem;
    min-width: 500px;
  }

  .compare-table th,
  .compare-table td {
    padding: 10px 12px;
    white-space: nowrap;
  }

  .compare-table th {
    font-size: 0.82rem;
  }

  .hero-card-features {
    grid-template-columns: 1fr;
  }

  /* 表单 */
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px 16px;
  }

  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    font-size: 16px; /* 防止iOS自动缩放 */
  }

  .contact-form button[type="submit"] {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
  }

  /* Footer */
  .footer {
    padding: 40px 0 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px 0;
    font-size: 0.8rem;
  }

  /* 关于我们 */
  .about-values {
    grid-template-columns: 1fr;
  }

  /* Toast 通知 */
  .toast {
    left: 16px;
    right: 16px;
    top: 70px;
    padding: 12px 16px;
  }

  .toast p {
    font-size: 0.85rem;
  }

  /* CTA 区块 */
  .cta-section {
    padding: 48px 0;
  }

  .cta-section .section-title {
    font-size: 1.4rem;
  }

  .cta-section .btn-primary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  /* 新闻卡片 */
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .news-card-cover {
    height: 150px;
  }

  .news-card-body {
    padding: 16px;
  }

  .news-card-title {
    font-size: 0.95rem;
  }
}

/* ===== 动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* ===== 定价/版本卡片 ===== */
.pricing-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured:hover {
  box-shadow: var(--shadow-xl);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--accent);
  color: white;
  border-radius: 100px;
  font-weight: 600;
}

.pricing-header {
  padding: 32px 24px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.pricing-header .version-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.pricing-header .version-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.pricing-header .price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.pricing-header .price .price-symbol {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.pricing-header .price .price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-dark);
  line-height: 1;
}

.pricing-header .price .price-unit {
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-body {
  padding: 24px;
  flex-grow: 1;
}

.pricing-body .features-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-medium);
  margin-bottom: 12px;
  text-align: center;
}

.pricing-body .feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-body .feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-medium);
  padding: 6px 0;
}

.pricing-body .feature-item .check-icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.pricing-body .feature-item.partial {
  color: var(--text-light);
}

.pricing-body .feature-item.partial .check-icon {
  color: var(--text-light);
}

.pricing-footer {
  padding: 24px;
  text-align: center;
}

.pricing-footer .btn-primary {
  width: 100%;
  justify-content: center;
}

.pricing-footer .btn-outline {
  width: 100%;
  justify-content: center;
}

.pricing-card.featured .pricing-footer .btn-primary {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}

/* 版本对比表 */
.version-compare {
  padding: 80px 0;
  background: var(--bg-white);
}

.compare-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.compare-table th {
  background: var(--primary);
  color: white;
  font-weight: 600;
  position: sticky;
  top: 0;
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  background: var(--bg-light);
  font-weight: 500;
  color: var(--text-medium);
  position: sticky;
  left: 0;
  z-index: 1;
}

.compare-table th:first-child {
  z-index: 2;
}

.compare-table td {
  color: var(--text-dark);
}

.compare-table .check {
  color: var(--accent-dark);
  font-weight: 700;
}

.compare-table .partial {
  color: var(--accent);
  font-weight: 500;
}

.compare-table .none {
  color: var(--text-light);
}

.compare-table tr:hover td {
  background: rgba(200, 164, 78, 0.05);
}

.compare-category {
  background: var(--bg-light);
  font-weight: 700;
  color: var(--primary);
}

/* ===== Toast 通知 ===== */
.toast {
  position: fixed;
  top: 80px;
  right: 24px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(120%);
  transition: var(--transition);
}

.toast.show {
  transform: translateX(0);
}

.toast svg {
  width: 24px;
  height: 24px;
  color: #10b981;
}

.toast p {
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 500;
}

/* ===== 最新动态 ===== */
.news-section {
  background: var(--bg-white);
  padding: 80px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.news-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--bg-white);
}

.news-card-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card-cover .news-cover-placeholder {
  color: rgba(255,255,255,0.6);
  font-size: 2.5rem;
}

.news-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card-date {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-card-date svg {
  width: 14px;
  height: 14px;
}

.news-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card-link {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.news-card-link:hover {
  color: var(--accent);
  gap: 8px;
}

.news-card-link svg {
  width: 14px;
  height: 14px;
}

.news-more {
  text-align: center;
  margin-top: 40px;
}

.news-more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
}

.news-more a:hover {
  background: var(--primary);
  color: white;
}

.news-more a svg {
  width: 16px;
  height: 16px;
}

.news-loading {
  text-align: center;
  padding: 60px 0;
  color: var(--text-light);
  font-size: 0.95rem;
}

.news-source-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #07c160;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 12px;
  vertical-align: middle;
}

.news-source-tag svg {
  width: 14px;
  height: 14px;
}

/* 超小屏幕优化（iPhone SE 等） */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .nav-logo .logo-image {
    height: 36px !important;
    width: auto !important;
    max-width: 130px !important;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .product-card {
    padding: 20px 16px;
  }

  .pricing-card {
    margin: 0 -4px;
  }

  .compare-table {
    font-size: 0.78rem;
  }

  .compare-table th,
  .compare-table td {
    padding: 8px 10px;
  }

  .contact-form {
    padding: 20px 12px;
  }

  .toast {
    left: 8px;
    right: 8px;
    top: 65px;
    padding: 10px 12px;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== 客户案例卡片网格 ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.case-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.case-card-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #1a1a2e;
  overflow: hidden;
}
.case-card-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-card-video .play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}
.case-card:hover .play-icon { transform: translate(-50%, -50%) scale(1.1); }
.case-card-video .play-icon svg { width: 24px; height: 24px; fill: var(--primary); margin-left: 3px; }
.case-card-body {
  padding: 18px 20px;
}
.case-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.case-card-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}
.case-card-tag {
  display: inline-block;
  background: var(--bg-light);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== 二维码区域 ===== */
.qr-section {
  padding: 48px 0;
}
.qr-single {
  display: flex;
  justify-content: center;
}
.qr-grid {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.qr-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 8px;
}
.qr-text {
  font-size: 0.95rem;
  color: var(--text-medium, #555);
  text-align: center;
  font-weight: 500;
}
@media (max-width: 768px) {
  .qr-grid {
    gap: 32px;
  }
  .qr-image {
    width: 160px;
    height: 160px;
  }
}

/* ===== 悬浮微信按钮 ===== */
.float-wechat {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.float-wechat-icon {
  width: 52px;
  height: 52px;
  background: #07c160;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(7,193,96,0.4);
  transition: all 0.3s ease;
  animation: floatPulse 2s ease-in-out infinite;
}
.float-wechat:hover .float-wechat-icon {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(7,193,96,0.5);
}
.float-wechat-icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}
.float-wechat-label {
  font-size: 11px;
  color: #fff;
  background: rgba(0,0,0,0.6);
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
}
@keyframes floatPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
@media (max-width: 768px) {
  .float-wechat {
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
  }
  .float-wechat-icon {
    width: 46px;
    height: 46px;
  }
  .float-wechat-icon svg {
    width: 24px;
    height: 24px;
  }
}