/* ==================== 首页 Banner ==================== */
.home-banner {
  position: relative; width: 100%; height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-top: var(--header-height);
}
.home-banner .banner-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.home-banner .banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.4) 100%);
}
.home-banner .banner-content {
  position: relative; z-index: 2; text-align: center; color: #fff;
}
.home-banner .banner-content h1 { font-size: 52px; font-weight: 700; margin-bottom: 20px; letter-spacing: 4px; }
.home-banner .banner-content .subtitle { font-size: 18px; opacity: 0.9; margin-bottom: 40px; }
.home-banner .banner-buttons { display: flex; gap: 20px; justify-content: center; }

/* ==================== 数据统计栏 ==================== */
.stats-bar {
  background: var(--primary); padding: 50px 0;
}
.stats-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center;
}
.stats-item .number { font-size: 42px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.stats-item .label { font-size: 15px; color: rgba(255,255,255,0.8); }

/* ==================== 企业简介区 ==================== */
.intro-section { padding: 80px 0; }
.intro-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.intro-image img { width: 100%; border-radius: 12px; object-fit: cover; height: 400px; }
.intro-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 24px; color: var(--text-main); }
.intro-text p { font-size: 15px; line-height: 1.8; color: var(--text-desc); margin-bottom: 20px; }
.intro-text p:last-child { margin-bottom: 30px; }

/* ==================== 服务卡片区 ==================== */
.services-section { padding: 80px 0; background: var(--primary-light); }
.services-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: #fff; border-radius: 12px; padding: 36px 28px;
  text-align: center; transition: all 0.3s; border: 1px solid #eee;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex;
  align-items: center; justify-content: center; margin: 0 auto 20px;
}
.service-icon img { width: 56px; height: 56px; }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--text-desc); line-height: 1.6; }

/* ==================== 展会矩阵 ==================== */
.matrix-section { padding: 80px 0; }
.matrix-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.matrix-card {
  border-radius: 12px; overflow: hidden; border: 1px solid #eee;
  transition: all 0.3s;
}
.matrix-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.matrix-card img { width: 100%; height: 200px; object-fit: cover; }
.matrix-card .card-body { padding: 20px; }
.matrix-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.matrix-card p { font-size: 14px; color: var(--text-desc); margin-bottom: 12px; line-height: 1.5; }
.matrix-card .card-link { font-size: 14px; color: var(--primary); font-weight: 500; }

/* ==================== UFI 认证区 ==================== */
.ufi-section {
  background: var(--primary); padding: 60px 0; color: #fff;
  position: relative; overflow: hidden;
}
.ufi-bg-decoration {
  position: absolute; right: 210px; top: 50%; transform: translateY(-50%);
  width: 460px; height: 460px;
  background: url('../images/home/circle.png') center/contain no-repeat;
  pointer-events: none;
}
.ufi-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; gap: 40px;
  position: relative; z-index: 1;
}
.ufi-badge { flex-shrink: 0; }
.ufi-badge img { width: 100px; height: 100px; }
.ufi-left { flex: 1; }
.ufi-left h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.ufi-left p { font-size: 15px; opacity: 0.9; line-height: 1.8; max-width: 630px; }
.ufi-tags { display: flex; gap: 16px; flex-shrink: 0; }
.ufi-tag {
  padding: 10px 24px; border: 1px solid rgba(255,255,255,0.4); border-radius: 24px;
  font-size: 14px; background: rgba(255,255,255,0.1);
}

/* ==================== 企业理念区 ==================== */
.philosophy-section { padding: 80px 0; }
.philosophy-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.philosophy-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 24px; }
.philosophy-text p { font-size: 15px; line-height: 1.8; color: var(--text-desc); }
.philosophy-text p + p { margin-top: 20px; }
.philosophy-image img { width: 100%; border-radius: 12px; object-fit: cover; height: 360px; }

/* ==================== 媒体矩阵 ==================== */
.media-section { padding: 80px 0; background: var(--primary-light); }
.media-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.media-card {
  background: #fff; border-radius: 16px; padding: 28px 28px 35px;
  display: flex; flex-direction: column;
}
.media-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.media-card > p { font-size: 14px; color: var(--text-desc); line-height: 1.7; margin-bottom: 28px; }
.media-qrcodes { display: flex; gap: 21px; flex-wrap: wrap; margin-top: auto; }
.media-qr-item { text-align: center; }
.media-qr-item img { width: 108px; height: 108px; border-radius: 8px; object-fit: cover; }
.qr-placeholder { width: 108px; height: 108px; background: #EEF0F5; border-radius: 8px; }
.media-qr-item span { display: block; margin-top: 8px; font-size: 13px; color: #1E293B; line-height: 1.4; }

/* ==================== 首页响应式 ==================== */
@media (max-width: 1400px) {
  .stats-inner, .services-grid, .matrix-grid, .media-grid,
  .intro-inner, .philosophy-inner, .ufi-inner { padding: 0 40px; }
}

@media (max-width: 1200px) {
}

@media (max-width: 992px) {
  .home-banner { height: 450px; }
  .home-banner .banner-content h1 { font-size: 38px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .intro-inner, .philosophy-inner { grid-template-columns: 1fr; gap: 30px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .media-grid { grid-template-columns: 1fr; }
  .ufi-inner { flex-direction: column; text-align: center; }
    .ufi-badge { margin-bottom: 20px; }
}

@media (max-width: 768px) {
  .home-banner { height: 380px; }
  .home-banner .banner-content h1 { font-size: 28px; letter-spacing: 2px; }
  .home-banner .banner-content .subtitle { font-size: 14px; }
  .home-banner .banner-buttons { flex-direction: column; align-items: center; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-item .number { font-size: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: 1fr; }
  .ufi-tags { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .home-banner { height: 300px; }
  .home-banner .banner-content h1 { font-size: 24px; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .stats-item .number { font-size: 28px; }
}