/* ==========================================================================
   Components: Buttons, Cards, Banner, Grids, Floating Contact
   ========================================================================== */

/* ---------- Header 内联椭圆产品搜索（联系我们右侧） ---------- */
.header-pill-search {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-full);
  padding: 4px 4px 4px 18px;
  margin-right: 16px;
  width: 220px;
  transition: border-color var(--transition), box-shadow var(--transition), width var(--transition);
}
.header-pill-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
  width: 280px;  /* 聚焦时拉宽，给输入更舒适的空间 */
}
.header-pill-search input[type="search"] {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text);
  font-size: var(--fs-sm);
  padding: 6px 0;
  letter-spacing: 0.04em;
  min-width: 0;
}
.header-pill-search input[type="search"]::placeholder {
  color: var(--color-accent);
  opacity: 0.85;
  letter-spacing: 0.04em;
}
.header-pill-search button {
  background: transparent;
  color: var(--color-accent);
  border: none;
  border-radius: var(--radius-full);
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.header-pill-search button:hover {
  background: var(--color-accent);
  color: #fff;
}
.header-pill-search button svg { width: 16px; height: 16px; }

/* 中等屏（≤1100px）压缩 pill 宽度 */
@media (max-width: 1100px) {
  .header-pill-search { width: 180px; padding-left: 14px; }
  .header-pill-search:focus-within { width: 220px; }
}
/* 小屏隐藏（移动端用其他入口） */
@media (max-width: 991px) {
  .header-pill-search { display: none; }
}

/* ---------- 产品列表页内嵌搜索（侧边栏顶部，胶囊形）---------- */
.product-search-inline {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px 3px 3px 16px;
  margin-bottom: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.product-search-inline:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 75, 143, 0.08);
}
.product-search-inline input[type="search"] {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text);
  font-size: var(--fs-sm);
  padding: 6px 0;
  min-width: 0;
  letter-spacing: 0.02em;
}
.product-search-inline input[type="search"]::placeholder {
  color: var(--color-text-light);
}
.product-search-inline button {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}
.product-search-inline button:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}
.product-search-inline button svg { width: 14px; height: 14px; }

/* ---------- 搜索结果列表 ---------- */
.search-results {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.search-result-item {
  display: block;
  padding: 18px 22px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}
.search-result-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}
.search-result-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.search-result-type {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 500;
}
.search-result-type[data-type="product"] { background: #fff4e6; color: var(--color-accent-dark); }
.search-result-type[data-type="solution"] { background: #e6f5ff; color: #0c8ce9; }
.search-result-type[data-type="ycase"] { background: #ebf7ed; color: #18a058; }
.search-result-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--color-text);
}
.search-result-excerpt {
  color: var(--color-text-muted);
  line-height: 1.6;
  font-size: var(--fs-sm);
  margin: 0;
}
.search-result-excerpt mark {
  background: rgba(255, 107, 53, 0.18);
  color: var(--color-accent-dark);
  padding: 0 2px;
  font-weight: 600;
  border-radius: 2px;
}

@media (max-width: 600px) {
  .header-search-trigger { width: 36px; height: 36px; margin-right: 8px; }
  .search-overlay-title { font-size: var(--fs-2xl); }
  .search-overlay-form input[type="search"] { padding: 14px 16px; font-size: var(--fs-md); }
  .search-overlay-form button { padding: 0 20px; }
  .search-overlay-shortcuts { gap: 6px; }
}

/* ---------- 首页项目案例区 ---------- */
.cases-section { background: var(--color-bg-alt); }
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
}
.case-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(20, 54, 99, 0.12);
}
.case-card-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.case-card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.case-card:hover .case-card-cover img { transform: scale(1.05); }
.case-card-cover .brand-block {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-3xl);
  color: #fff;
}
.case-card-year {
  position: absolute;
  right: 14px; top: 14px;
  background: rgba(20, 54, 99, 0.85);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}
.case-card-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.case-card-meta .client { color: var(--color-accent); font-weight: 500; }
.case-card-meta .dot { opacity: 0.5; }
.case-card-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.45;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-card-deploy {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.case-card-deploy .label { color: var(--color-primary); font-weight: 500; }
.case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-top: auto;
  transition: color var(--transition);
}
.case-card-link .arrow { transition: transform var(--transition); }
.case-card:hover .case-card-link { color: var(--color-accent); }
.case-card:hover .case-card-link .arrow { transform: translateX(6px); }

@media (max-width: 991px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 600px) {
  .case-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- Lucide 内联 SVG 图标基础样式 ---------- */
.youruian-icon {
  display: inline-block;
  vertical-align: -0.15em;       /* 跟文字基线对齐 */
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  pointer-events: none;
}

/* 在 flex 父元素里图标更精准居中（如 .footer-contact-item .icon） */
.footer-contact-item .icon,
.contact-info-list .item .icon,
.header-phone .icon,
.mobile-bottom-bar .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 通用工具类 ---------- */

/* 空状态（"暂无产品/方案/案例" 等） */
.empty-state {
  padding: 80px 0;
  text-align: center;
  color: var(--color-text-muted);
}
.empty-state .btn {
  margin-top: 20px;
}

/* 区块底部居中 CTA（"查看全部 →" 这种） */
.section-cta-center {
  text-align: center;
  margin-top: 40px;
}

/* 带左色条的副标题（产品详情、方案详情、案例详情用） */
.section-accent-title {
  font-size: var(--fs-2xl);
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
  line-height: 1.3;
}

/* 普通区块标题（无左色条） */
.section-plain-title {
  font-size: var(--fs-2xl);
  margin-bottom: 24px;
  color: var(--color-text);
}

/* 长文章里的小区段（用于 single-solution / single-ycase 各小段） */
.article-section { margin-bottom: 48px; }
.article-section:last-child { margin-bottom: 0; }

/* 长文章末尾的居中 CTA */
.article-cta {
  text-align: center;
  padding: 60px 0 0;
}
.article-cta > p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: var(--fs-md);
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-ghost-white:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.btn-lg {
  padding: 16px 36px;
  font-size: var(--fs-lg);
}

.btn-sm {
  padding: 8px 18px;
  font-size: var(--fs-sm);
}

.btn .arrow {
  transition: transform var(--transition);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ---------- 英雄 Banner 轮播 ---------- */
.hero-banner {
  position: relative;
  /* 2.67:1 比例 banner（与扩图素材匹配） */
  height: clamp(480px, 37.5vw, 720px);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.8s ease, transform 1.2s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 居中椭圆径向渐变：中心暗 + 四周透明 — 文字可读，banner 边缘细节全部保留 */
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 60% at center,
    rgba(15, 35, 65, 0.55) 0%,
    rgba(15, 35, 65, 0.28) 50%,
    rgba(15, 35, 65, 0) 100%
  );
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}


.hero-slide .container {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
}

.hero-slide .eyebrow {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  white-space: nowrap; /* 防长中文 + 字间距叠加导致末字换行 */
  max-width: 92vw; /* 极窄屏兜底：超长就 ellipsis 而不是孤字换行 */
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-slide h1 {
  font-size: clamp(1.875rem, 4.2vw, 3rem); /* 上限 56px → 48px，1366/1440 MacBook 上不再溢出 */
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  /* 加强阴影：双层（远阴影柔化 + 近阴影锐化），即使文字落在偏亮区域也清晰 */
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.55), 0 1px 3px rgba(0, 0, 0, 0.7);
  text-wrap: balance; /* 现代浏览器自动平衡分行，杜绝孤字孤词 */
  -webkit-text-wrap: balance;
}

.hero-slide h1 .highlight {
  color: var(--color-accent);
}

.hero-slide .lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 720px;
  margin: 0 auto 36px;
  opacity: 0.95;
  line-height: 1.7;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.6);
}

.hero-slide .ctas {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Banner 指示器 */
.hero-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-dots button {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-full);
  transition: background var(--transition);
}

.hero-dots button.active {
  background: var(--color-accent);
}

/* Banner 左右箭头 */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.hero-arrow.prev { left: 32px; }
.hero-arrow.next { right: 32px; }

@media (max-width: 767px) {
  .hero-banner { height: 420px; }
  .hero-arrow { display: none; }
}

/* ---------- 产品六宫格 ---------- */
.product-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .product-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .product-grid-6 {
    grid-template-columns: 1fr;
  }
}

/* 产品卡片 */
.product-card {
  position: relative;
  display: block;
  padding: 36px 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  overflow: hidden;
  color: var(--color-text);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

/* 桌面端：悬停效果 */
@media (hover: hover) and (min-width: 768px) {
  .product-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
    color: var(--color-text);
  }

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

  .product-card:hover .product-card-icon {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.08);
  }

  .product-card:hover .product-card-link {
    color: var(--color-accent);
  }

  .product-card:hover .product-card-link .arrow {
    transform: translateX(6px);
  }
}

/* 移动端：点击反馈 */
@media (max-width: 767px), (hover: none) {
  .product-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary);
  }
}

.product-card-icon {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
  font-size: 38px;
  font-weight: 600;
}
@media (max-width: 600px) {
  .product-card-icon { width: 72px; height: 72px; font-size: 28px; margin-bottom: 16px; }
}

.product-card h3 {
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.product-card .series {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.product-card .series strong {
  color: var(--color-primary);
  font-weight: 500;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: all var(--transition);
}

.product-card-link .arrow {
  transition: transform var(--transition);
}

/* ---------- 数据实力带 ---------- */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.stats-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cdefs%3E%3Cpattern id='p' width='20' height='20' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='2' cy='2' r='1' fill='%23fff' opacity='0.15'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100' height='100' fill='url(%23p)'/%3E%3C/svg%3E");
  opacity: 0.5;
}

.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stats-item {
  padding: 0 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stats-item:last-child {
  border-right: none;
}

.stats-number {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff;
  display: inline-block;
}

.stats-number .suffix {
  font-size: 0.5em;
  font-weight: 600;
  color: var(--color-accent);
  margin-left: 4px;
}

.stats-label {
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 1px;
}

@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 0;
  }
  .stats-item {
    border-right: none;
  }
  .stats-item:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }
}

/* ---------- 行业方案卡 ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
/* archive 类页面：默认 3 列；首页继续用基础 4 列 */
.solution-grid--3 { grid-template-columns: repeat(3, 1fr); }
/* solution-grid--4：方案归档页明确 4×4 显示 16 大行业 */
.solution-grid--4 { grid-template-columns: repeat(4, 1fr); }
/* 行业页 — 数量自适应：1 个居中放大；2 个居中并排 */
.solution-grid--1 {
  grid-template-columns: minmax(0, 480px);
  justify-content: center;
}
.solution-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 380px));
  justify-content: center;
}

@media (max-width: 1024px) {
  .solution-grid,
  .solution-grid--3,
  .solution-grid--4 {
    grid-template-columns: repeat(3, 1fr);
  }
  .solution-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .solution-grid--1 { grid-template-columns: minmax(0, 100%); }
}

@media (max-width: 767px) {
  .solution-grid,
  .solution-grid--3,
  .solution-grid--4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* 手机 ≤ 480：保持 2 列（行业名都是 3-5 字，2 列在 360px+ 视口完全够用，与之前讨论一致） */
@media (max-width: 480px) {
  .solution-grid,
  .solution-grid--3,
  .solution-grid--4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

.solution-card {
  display: block;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  color: var(--color-text);
}

@media (hover: hover) and (min-width: 768px) {
  .solution-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
    color: var(--color-text);
  }

  .solution-card:hover .solution-icon {
    background: var(--color-primary);
    color: #fff;
  }
}

@media (max-width: 767px), (hover: none) {
  .solution-card:active {
    transform: scale(0.97);
  }
}

.solution-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 600;
  transition: all var(--transition);
}
@media (max-width: 600px) {
  .solution-icon { width: 64px; height: 64px; font-size: 26px; margin-bottom: 14px; }
}

.solution-card h4 {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.solution-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* solution-card 元素：方案/案例数量徽章 + CTA "查看详情 →" */
.solution-card-meta {
  display: inline-block;
  margin-top: 12px;
  font-size: var(--fs-xs);
  color: var(--color-accent);
  background: rgba(255, 107, 53, 0.08);
  padding: 4px 10px;
  border-radius: 12px;
}
.solution-card-cta {
  display: inline-block;
  margin-top: 14px;
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--fs-sm);
}

/* —— 双 CTA 卡片：上半「行业信息」整块可点击进详情；下半「2 按钮」操作区 —— */
.solution-card--dual {
  padding: 0; /* 取消 .solution-card 的 padding，因为子元素自带 padding */
  display: flex;
  flex-direction: column;
  cursor: default; /* 容器不再整体可点 */
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.solution-card--dual:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px rgba(30, 75, 143, .12);
}

.solution-card--dual .solution-card-main {
  display: block;
  padding: 28px 24px 18px;
  flex: 1;
  text-decoration: none;
  color: inherit;
}
.solution-card--dual .solution-card-main:hover h4 {
  color: var(--color-primary);
}
.solution-card--dual .solution-card-main:hover .solution-icon {
  transform: scale(1.05);
}

.solution-card--dual .solution-card-actions {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid var(--color-border, #e2e8f0);
  background: rgba(248, 250, 252, .6);
  border-radius: 0 0 16px 16px;
}
.solution-card--dual .solution-card-actions .btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  white-space: nowrap;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.solution-card--dual .solution-card-actions .btn-outline {
  background: transparent;
}

@media (max-width: 480px) {
  /* 小屏 2 按钮垂直堆叠避免文字被挤断 */
  .solution-card--dual .solution-card-actions {
    flex-direction: column;
    gap: 6px;
  }
}

/* ---------- 技术优势卡 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  padding: 32px 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-card);
}

.feature-card .num {
  flex-shrink: 0;
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  opacity: 0.3;
  font-family: var(--font-mono);
}

.feature-card h4 {
  font-size: var(--fs-lg);
  color: var(--color-text);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- 公司简介 + 使命语 区块 ---------- */
.intro-section {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 991px) {
  .intro-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.intro-text .eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.intro-text h2 {
  font-size: var(--fs-3xl);
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.3;
}

.intro-text h2 .accent {
  color: var(--color-primary);
}

.intro-text p {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.intro-mission {
  padding: 24px 28px;
  background: var(--color-primary-lighter);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0 32px;
}

.intro-mission .label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-primary);
  letter-spacing: 3px;
  margin-bottom: 6px;
}

.intro-mission .text {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.intro-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.intro-visual .placeholder {
  text-align: center;
  padding: 40px;
}

.intro-visual .placeholder .big {
  font-size: var(--fs-4xl);
  margin-bottom: 12px;
  opacity: 0.9;
}

/* ---------- 新闻卡片 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 991px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
  .news-grid { grid-template-columns: 1fr; }
}

.news-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  color: var(--color-text);
}

@media (hover: hover) and (min-width: 768px) {
  .news-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
    color: var(--color-text);
  }

  .news-card:hover .news-cover img,
  .news-card:hover .news-cover .placeholder {
    transform: scale(1.05);
  }
}

.news-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}

.news-cover img,
.news-cover .placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

/* 移动端：取消固定比例，图按原始比例自适应高度，每张图都能完整显示 */
@media (max-width: 767px) {
  .news-cover {
    aspect-ratio: auto;
    background: var(--color-bg-alt);
  }
  .news-cover img,
  .news-cover .placeholder {
    height: auto;
    max-height: 280px;
    object-fit: contain;
    display: block;
  }
}

.news-cover .placeholder {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--fs-2xl);
}

.news-content {
  padding: 22px 24px;
}

.news-meta {
  display: flex;
  gap: 16px;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.news-meta .tag {
  color: var(--color-primary);
  font-weight: 500;
}

.news-card h4 {
  font-size: var(--fs-lg);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .excerpt {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 悬浮客服 ---------- */
.floating-contact {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-floating);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating-contact button,
.floating-contact a {
  width: 52px;
  height: 52px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
}

.floating-contact button:hover,
.floating-contact a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateX(-4px);
}

.floating-contact .tooltip {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
}

.floating-contact .tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--color-primary);
}

.floating-contact button:hover .tooltip,
.floating-contact a:hover .tooltip {
  opacity: 1;
  visibility: visible;
  right: 68px;
}

/* 微信二维码悬浮弹框 */
.floating-contact .qr-popup {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%) scale(0.9);
  background: #fff;
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
  text-align: center;
  width: 160px;
}

.floating-contact button.has-qr:hover .qr-popup {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
  pointer-events: auto;
  right: 68px;
}

.floating-contact .qr-popup .qr-img {
  width: 128px;
  height: 128px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.floating-contact .qr-popup p {
  font-size: var(--fs-xs);
  color: var(--color-text);
  margin: 0;
}

@media (max-width: 767px) {
  .floating-contact {
    display: none;
  }
}

/* 回到顶部 */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 80px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-floating);
  box-shadow: var(--shadow-md);
  font-size: 18px;
  transition: all var(--transition);
}

.back-to-top.visible {
  display: flex;
}

.back-to-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-4px);
}

/* ---------- 通用动画 ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.fade-in-up.delay-1 { animation-delay: 0.1s; }
.fade-in-up.delay-2 { animation-delay: 0.2s; }
.fade-in-up.delay-3 { animation-delay: 0.3s; }
.fade-in-up.delay-4 { animation-delay: 0.4s; }

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   解决方案卡片 · 带操作按钮版（taxonomy-solution_industry 用）
   ========================================================================== */
.solution-card--with-actions {
  padding: 28px 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.solution-card--with-actions:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.solution-card--with-actions .solution-card-link {
  flex: 1;
  display: block;
  color: var(--color-text);
}
.solution-card--with-actions h4 {
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.solution-card--with-actions:hover h4 { color: var(--color-primary); }
.solution-card--with-actions p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
  flex: 1;
}
.solution-card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
  flex-wrap: wrap;
}
.solution-card-detail {
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--fs-sm);
  flex: 1;
}
.solution-card-actions .btn-sm {
  padding: 7px 14px;
  font-size: 12px;
  white-space: nowrap;
}

@media (max-width: 575px) {
  .solution-card-actions { gap: 8px; }
  .solution-card-detail { width: 100%; flex: 1 1 100%; }
  .solution-card-actions .btn-sm { width: 100%; text-align: center; }
}