/* =====================================================
   qlub Template - app.css
   风格参考：https://qlub.io  | 现代科技感 + 简约专业
   支持中英文双语切换
   ===================================================== */

/* ---------- 基础变量 ---------- */
:root {
  --qlub-primary: #1A1A2E;
  --qlub-accent: #4F6EF7;
  --qlub-accent-light: #6B84FF;
  --qlub-white: #FFFFFF;
  --qlub-light-bg: #F7F8FC;
  --qlub-dark-bg: #0C0C0C;
  --qlub-text: #1A1A2E;
  --qlub-text-muted: #6B7280;
  --qlub-border: #E5E7EB;
  --qlub-radius: 16px;
  --qlub-radius-sm: 8px;
  --qlub-shadow: 0 4px 24px rgba(79, 110, 247, 0.10);
  --qlub-shadow-lg: 0 8px 40px rgba(26, 26, 46, 0.12);
  --header-height: 76px;
}

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

/* =====================================================
   HEADER 导航
   ===================================================== */
.qlub-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.qlub-header.scrolled {
  border-bottom-color: var(--qlub-border);
  box-shadow: 0 2px 20px rgba(26, 26, 46, 0.08);
}
.qlub-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.qlub-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  height: 60px;
}
.qlub-logo .logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}
.qlub-logo .logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--qlub-primary);
  white-space: nowrap;
}

/* 桌面导航 */
.qlub-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  height: 60px;
}
.qlub-nav .nav-link {
  padding: 8px 14px;
  border-radius: var(--qlub-radius-sm);
  font-size: 18px;
  font-weight: 500;
  color: var(--qlub-text-muted);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.qlub-nav .nav-link:hover,
.qlub-nav .nav-link.active {
  color: var(--qlub-accent);
  background: rgba(79, 110, 247, 0.06);
}

/* 右侧操作区 */
.qlub-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* 语言切换 */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--qlub-text-muted);
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.2s ease;
}
.lang-btn:hover,
.lang-btn.active {
  color: var(--qlub-accent);
  background: rgba(79, 110, 247, 0.08);
}
.lang-divider {
  color: var(--qlub-border);
  font-size: 12px;
}

/* 搜索 */
.qlub-search-wrap {
  display: flex;
  align-items: center;
}
.qlub-search-form {
  display: flex;
  align-items: center;
  background: var(--qlub-light-bg);
  border-radius: 20px;
  padding: 0 4px 0 12px;
  border: 1px solid var(--qlub-border);
  transition: border-color 0.2s;
  height: 38px;
  box-sizing: border-box;
}
.qlub-search-form:focus-within {
  border-color: var(--qlub-accent);
}
.qlub-search-input {
  border: none;
  background: transparent;
  align-items: center;
  outline: none;
  font-size: 13px;
  width: 140px;
  color: var(--qlub-text);
  line-height: 38px;
}
.qlub-search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--qlub-text-muted);
  padding: 6px 8px;
  font-size: 16px;
  transition: color 0.2s;
}
.qlub-search-btn:hover { color: var(--qlub-accent); }

/* CTA 按钮 */
.qlub-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  background: var(--qlub-accent);
  color: var(--qlub-white) !important;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.qlub-cta-btn:hover {
  background: var(--qlub-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.3);
}

/* 移动端菜单按钮 */
.qlub-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}
.menu-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--qlub-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.qlub-menu-toggle.open .menu-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.qlub-menu-toggle.open .menu-bar:nth-child(2) { opacity: 0; }
.qlub-menu-toggle.open .menu-bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移动端下拉菜单 */
.qlub-mobile-menu {
  background: var(--qlub-white);
  border-top: 1px solid var(--qlub-border);
  padding: 12px 24px;
}
.mobile-nav-link {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  color: var(--qlub-text);
  border-bottom: 1px solid var(--qlub-border);
  transition: color 0.2s;
}
.mobile-nav-link:last-child { border-bottom: none; }
.mobile-nav-link:hover { color: var(--qlub-accent); }
.mobile-cta {
  color: var(--qlub-accent) !important;
  font-weight: 600;
}

/* =====================================================
   通用组件
   ===================================================== */

/* 通用按钮 */
.qlub-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  background: var(--qlub-accent);
  color: var(--qlub-white) !important;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.qlub-btn-primary:hover {
  background: var(--qlub-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.35);
}
.qlub-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 28px;
  background: transparent;
  color: var(--qlub-accent) !important;
  border: 2px solid var(--qlub-accent);
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  text-decoration: none;
}
.qlub-btn-outline:hover {
  background: var(--qlub-accent);
  color: var(--qlub-white) !important;
  transform: translateY(-2px);
}
.qlub-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--qlub-light-bg);
  color: var(--qlub-text-muted) !important;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  text-decoration: none;
}
.qlub-btn-ghost:hover {
  background: rgba(79, 110, 247, 0.08);
  color: var(--qlub-accent) !important;
}
.qlub-btn-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  background: var(--qlub-white);
  color: var(--qlub-accent) !important;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  text-decoration: none;
}
.qlub-btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,255,255,0.3);
}
.qlub-btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 28px;
  background: transparent;
  color: var(--qlub-white) !important;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  text-decoration: none;
}
.qlub-btn-outline-white:hover {
  border-color: white;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* Section 通用样式 */
.section-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(79, 110, 247, 0.08);
  color: var(--qlub-accent);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--qlub-primary);
  line-height: 1.3;
  margin: 0 0 16px;
}
.section-sub {
  font-size: 16px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 8px;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  margin-bottom: 40px;
}
.section-header-row .section-title { margin-bottom: 0; }

/* 面包屑 */
.qlub-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.breadcrumb-item {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb-item:hover { color: white; }
.breadcrumb-item.active { color: rgba(255,255,255,0.5); }
.breadcrumb-sep { color: rgba(255,255,255,0.4); font-size: 12px; }

/* 分页 */
.qlub-pagination {
  display: flex;
  justify-content: center;
  padding: 40px 0 20px;
}

/* =====================================================
   HERO 区域
   ===================================================== */
.qlub-hero {
  margin-top: var(--header-height);
  position: relative;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}
.hero-swiper {
  width: 100%;
  height: 100%;
}
.hero-slide {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
}
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.75) 0%, rgba(79,110,247,0.35) 100%);
}
.hero-slide-content {
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  padding: 6px 16px;
  color: white;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.2;
  color: white;
  max-width: 700px;
}
.hero-title a {
  color: white;
  text-decoration: none;
}

/* Hero 统计卡片 */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0;
}
.hero-stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: transparent;
  padding: 20px 0;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 48px;
  flex: 1;
}
.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--qlub-accent);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--qlub-text-muted);
  margin-top: 6px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--qlub-border);
}

/* Swiper 按钮自定义 */
.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  border-radius: 50%;
  width: 44px;
  height: 44px;
}
.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after {
  font-size: 16px;
}
.hero-swiper .swiper-pagination-bullet {
  background: rgba(255,255,255,0.5);
}
.hero-swiper .swiper-pagination-bullet-active {
  background: white;
  width: 24px;
  border-radius: 3px;
}

/* =====================================================
   关于我们
   ===================================================== */
.qlub-about {
  padding: 100px 0;
  background: var(--qlub-white);
}
.about-inner {
  display: flex;
  align-items: center;
  gap: 80px;
}
.about-media {
  flex: 0 0 500px;
  position: relative;
}
.about-img {
  width: 100%;
  border-radius: var(--qlub-radius);
  box-shadow: var(--qlub-shadow-lg);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--qlub-accent);
  color: white;
  border-radius: var(--qlub-radius-sm);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--qlub-shadow);
}
.about-content {
  flex: 1;
}
.about-desc {
  font-size: 16px;
  color: var(--qlub-text-muted);
  line-height: 1.8;
  margin: 0 0 32px;
}

/* =====================================================
   信任背书
   ===================================================== */
.qlub-trust {
  background: var(--qlub-dark-bg);
  padding: 60px 0;
  overflow: hidden;
}
.trust-title {
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  margin-bottom: 40px;
}
.trust-marquee-wrap {
  position: relative;
  overflow: hidden;
}
.trust-marquee-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.trust-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--qlub-dark-bg), transparent);
}
.trust-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--qlub-dark-bg), transparent);
}
.trust-marquee { overflow: hidden; }
.trust-track {
  display: flex;
  align-items: center;
  gap: 60px;
  animation: marquee-scroll 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.trust-track:hover { animation-play-state: paused; }
.trust-logo-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-logo-item img {
  height: 100px;
  width: auto;
  filter: none;
  opacity: 0.7;
  transition: opacity 0.3s;
  object-fit: contain;
}
.trust-logo-item:hover img { opacity: 1; }

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.trust-cta {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* =====================================================
   产品/服务
   ===================================================== */
.qlub-products {
  padding: 100px 0;
  background: var(--qlub-light-bg);
}
.product-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: fill;
  display: block;
  flex-shrink: 0;
}
.product-card-body {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(26,26,46,0.05);
  overflow: hidden;
  text-decoration: none;
  position: relative;
}
.product-card-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--qlub-accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  z-index: 1;
}
.product-card-body:hover::before { transform: scaleX(1); }
.product-card-body:hover {
  transform: translateY(-4px);
  box-shadow: var(--qlub-shadow-lg);
}
.product-card-text {
  padding: 16px 18px 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0 0 6px;
}
.product-card-desc {
  font-size: 13px;
  color: var(--qlub-text-muted);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--qlub-accent);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.2s;
  margin-top: auto;
}
.product-card-link:hover { gap: 10px; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.products-more { display: flex; justify-content: center; }

/* =====================================================
   核心优势
   ===================================================== */
.qlub-advantages {
  padding: 100px 0;
  background: var(--qlub-white);
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.advantage-card {
  background: var(--qlub-light-bg);
  border-radius: var(--qlub-radius);
  padding: 36px 28px;
  transition: all 0.3s ease;
}
.advantage-card:hover {
  background: var(--qlub-white);
  transform: translateY(-6px);
  box-shadow: var(--qlub-shadow-lg);
}
.advantage-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.advantage-icon-1 { background: rgba(79,110,247,0.1); color: var(--qlub-accent); }
.advantage-icon-2 { background: rgba(16,185,129,0.1); color: #10B981; }
.advantage-icon-3 { background: rgba(245,158,11,0.1); color: #F59E0B; }
.advantage-icon-4 { background: rgba(239,68,68,0.1); color: #EF4444; }
.advantage-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0 0 12px;
}
.advantage-desc {
  font-size: 14px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* =====================================================
   合作流程
   ===================================================== */
.qlub-process {
  padding: 100px 0;
  background: var(--qlub-light-bg);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 60px;
}
.process-step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 40px 24px;
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  box-shadow: 0 2px 12px rgba(26,26,46,0.06);
  transition: all 0.3s ease;
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--qlub-shadow-lg);
}
.step-num {
  font-size: 48px;
  font-weight: 900;
  color: rgba(79,110,247,0.12);
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0 0 12px;
}
.step-desc {
  font-size: 14px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  margin: 0;
}
.process-arrow {
  font-size: 24px;
  color: var(--qlub-border);
  padding: 0 8px;
  flex-shrink: 0;
  align-self: center;
  margin-bottom: 0;
}
.process-cta { display: flex; justify-content: center; }

/* =====================================================
   新闻动态
   ===================================================== */
.qlub-news {
  padding: 100px 0;
  background: var(--qlub-white);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
/* 新闻主卡 */
.news-main-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--qlub-radius);
  overflow: hidden;
  background: var(--qlub-white);
  box-shadow: 0 2px 12px rgba(26,26,46,0.08);
  transition: all 0.3s ease;
  text-decoration: none;
  height: 100%;
}
.news-main-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--qlub-shadow-lg);
}
.news-main-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.news-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-main-card:hover .news-main-img img { transform: scale(1.05); }
.news-main-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.news-tag {
  display: inline-block;
  background: rgba(79,110,247,0.08);
  color: var(--qlub-accent);
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.news-main-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qlub-primary);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-main-desc {
  font-size: 14px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-date {
  font-size: 13px;
  color: var(--qlub-text-muted);
}
/* 新闻列表列 */
.news-list-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--qlub-border);
  transition: all 0.2s ease;
  text-decoration: none;
}
.news-list-item:first-child { padding-top: 0; }
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { background: transparent; }
.news-list-item:hover .news-item-title { color: var(--qlub-accent); }
.news-item-date {
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  background: var(--qlub-light-bg);
  border-radius: var(--qlub-radius-sm);
  padding: 8px 4px;
  transition: background 0.2s;
}
.news-list-item:hover .news-item-date { background: rgba(79,110,247,0.08); }
.date-day {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--qlub-accent);
  line-height: 1;
}
.date-month {
  display: block;
  font-size: 11px;
  color: var(--qlub-text-muted);
  margin-top: 2px;
}
.news-item-body { flex: 1; min-width: 0; }
.news-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--qlub-primary);
  margin: 0 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
}
.news-item-desc {
  font-size: 13px;
  color: var(--qlub-text-muted);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-arrow {
  color: var(--qlub-border);
  font-size: 14px;
  flex-shrink: 0;
  transition: color 0.2s, transform 0.2s;
}
.news-list-item:hover .news-item-arrow {
  color: var(--qlub-accent);
  transform: translateX(4px);
}

/* =====================================================
   CTA Banner
   ===================================================== */
.qlub-cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--qlub-primary) 0%, #2d2d5e 50%, var(--qlub-accent) 100%);
  position: relative;
  overflow: hidden;
}
.qlub-cta-banner::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
  top: -150px;
  right: -100px;
}
.qlub-cta-banner::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
  bottom: -100px;
  left: -80px;
}
.cta-banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-banner-title {
  font-size: 40px;
  font-weight: 800;
  color: white;
  margin: 0 0 12px;
  line-height: 1.2;
}
.cta-banner-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin: 0;
}
.cta-banner-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* =====================================================
   页面横幅（内页）
   ===================================================== */
.qlub-page-banner {
  background: linear-gradient(135deg, var(--qlub-primary) 0%, var(--qlub-accent) 100%);
  padding: calc(var(--header-height) + 48px) 0 60px;
}
.qlub-page-banner-sm {
  padding-bottom: 40px;
}
.page-banner-inner {}
.page-banner-title {
  font-size: 36px;
  font-weight: 800;
  color: white;
  margin: 0 0 12px;
}

/* =====================================================
   侧边栏 + 主内容布局（内页通用）
   ===================================================== */
.about-page-layout {
  display: flex;
  gap: 40px;
  padding: 60px 0;
  align-items: flex-start;
}
.qlub-sidebar {
  flex-shrink: 0;
  width: 220px;
}
.sidebar-nav-group {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}
.sidebar-nav-title {
  background: var(--qlub-accent);
  color: white;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 18px;
}
.sidebar-nav-item {
  display: block;
  padding: 12px 18px;
  font-size: 14px;
  color: var(--qlub-text-muted);
  border-bottom: 1px solid var(--qlub-border);
  transition: all 0.2s ease;
  text-decoration: none;
}
.sidebar-nav-item:last-child { border-bottom: none; }
.sidebar-nav-item:hover,
.sidebar-nav-item.active {
  color: var(--qlub-accent);
  background: rgba(79,110,247,0.06);
  padding-left: 22px;
}
.sidebar-related {
  margin-top: 20px;
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}
.sidebar-related-title {
  background: var(--qlub-light-bg);
  color: var(--qlub-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 18px;
  border-bottom: 1px solid var(--qlub-border);
}
.sidebar-related-item,
.sidebar-news-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--qlub-border);
  text-decoration: none;
  transition: background 0.2s;
}
.sidebar-related-item:hover,
.sidebar-news-item:hover { background: var(--qlub-light-bg); }
.sidebar-related-item img {
  width: 48px;
  height: 36px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}
.sidebar-related-item span {
  font-size: 13px;
  color: var(--qlub-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-news-title {
  font-size: 13px;
  color: var(--qlub-text);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-news-date {
  font-size: 11px;
  color: var(--qlub-text-muted);
  white-space: nowrap;
}

.qlub-main-content { flex: 1; min-width: 0; }

/* 富文本内容 */
.about-rich-content,
.product-rich-content,
.news-detail-body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--qlub-text);
}
.about-rich-content img,
.product-rich-content img,
.news-detail-body img {
  max-width: 100%;
  border-radius: var(--qlub-radius-sm);
  margin: 16px 0;
}

/* =====================================================
   关于页
   ===================================================== */
.about-content-body {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  padding: 40px;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}

/* =====================================================
   产品列表页
   ===================================================== */
.product-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 20px;
}
.product-list-card {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
  transition: all 0.3s ease;
  text-decoration: none;
  min-width: 0;
}
.product-list-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--qlub-shadow-lg);
}
.product-list-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.product-list-img img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  transition: transform 0.4s ease;
}
.product-list-card:hover .product-list-img img { transform: scale(1.06); }
.product-list-body { padding: 20px; }
.product-list-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0 0 8px;
}
.product-list-desc {
  font-size: 13px;
  color: var(--qlub-text-muted);
  line-height: 1.6;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-list-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--qlub-accent);
  font-size: 13px;
  font-weight: 600;
  transition: gap 0.2s;
}
.product-list-card:hover .product-list-link { gap: 8px; }

/* =====================================================
   产品详情页
   ===================================================== */
.product-detail-header {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  padding: 32px;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}
.product-detail-img {
  flex: 0 0 360px;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--qlub-radius-sm);
}
.product-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.product-detail-info { flex: 1; }
.product-detail-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--qlub-primary);
  margin: 0 0 16px;
}
.product-detail-desc {
  font-size: 15px;
  color: var(--qlub-text-muted);
  line-height: 1.8;
  margin: 0 0 28px;
}
.product-detail-body {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  padding: 32px;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}
.detail-tab-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qlub-primary);
  padding-bottom: 16px;
  border-bottom: 2px solid var(--qlub-accent);
  margin-bottom: 28px;
}

/* =====================================================
   新闻列表页
   ===================================================== */
.news-list-items { display: flex; flex-direction: column; gap: 0; }
.news-list-row {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--qlub-border);
  text-decoration: none;
  transition: all 0.2s ease;
}
.news-list-row:hover { background: transparent; }
.news-list-row:hover .news-row-title { color: var(--qlub-accent); }
.news-row-img {
  flex-shrink: 0;
  width: 200px;
  height: 130px;
  border-radius: var(--qlub-radius-sm);
  overflow: hidden;
}
.news-row-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.news-list-row:hover .news-row-img img { transform: scale(1.06); }
.news-row-body { flex: 1; display: flex; flex-direction: column; }
.news-row-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0 0 10px;
  line-height: 1.4;
  transition: color 0.2s;
}
.news-row-desc {
  font-size: 14px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-row-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}
.news-row-date {
  font-size: 13px;
  color: var(--qlub-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.news-row-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--qlub-accent);
  font-size: 13px;
  font-weight: 600;
}

/* =====================================================
   新闻详情页
   ===================================================== */
.news-detail-article {
  background: var(--qlub-white);
  border-radius: var(--qlub-radius);
  padding: 40px;
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}
.news-detail-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--qlub-primary);
  line-height: 1.4;
  margin: 0 0 20px;
}
.news-detail-meta {
  display: flex;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--qlub-border);
  margin-bottom: 28px;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--qlub-text-muted);
}
.news-detail-nav {
  display: flex;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--qlub-border);
  margin-top: 40px;
}
.detail-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--qlub-light-bg);
  border-radius: var(--qlub-radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
}
.detail-nav-item:hover { background: rgba(79,110,247,0.06); }
.detail-nav-next { text-align: right; }
.detail-nav-label {
  font-size: 12px;
  color: var(--qlub-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.detail-nav-title {
  font-size: 14px;
  color: var(--qlub-primary);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}
.detail-nav-item:hover .detail-nav-title { color: var(--qlub-accent); }

/* =====================================================
   搜索页
   ===================================================== */
.qlub-search-page { padding: 60px 0; }
.qlub-search-bar {
  display: flex;
  gap: 0;
  background: var(--qlub-white);
  border-radius: 12px;
  border: 2px solid var(--qlub-border);
  overflow: hidden;
  margin-bottom: 48px;
  transition: border-color 0.2s;
}
.qlub-search-bar:focus-within { border-color: var(--qlub-accent); }
.search-bar-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-size: 16px;
  color: var(--qlub-text);
  background: transparent;
}
.search-bar-btn {
  background: var(--qlub-accent);
  border: none;
  padding: 0 28px;
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}
.search-bar-btn:hover { background: var(--qlub-accent-light); }
.search-results { display: flex; flex-direction: column; gap: 2px; }
.search-result-item {
  display: block;
  padding: 24px;
  background: var(--qlub-white);
  border-radius: var(--qlub-radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid var(--qlub-border);
  margin-bottom: 12px;
}
.search-result-item:hover {
  border-color: var(--qlub-accent);
  box-shadow: 0 2px 12px rgba(79,110,247,0.08);
}
.search-result-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--qlub-accent);
  margin: 0 0 8px;
}
.search-result-desc {
  font-size: 14px;
  color: var(--qlub-text-muted);
  line-height: 1.7;
  margin: 0 0 10px;
}
.search-result-date {
  font-size: 12px;
  color: var(--qlub-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =====================================================
   空页面
   ===================================================== */
.qlub-empty-page {
  padding: 120px 0;
  text-align: center;
}
.empty-state { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.empty-icon { opacity: 0.4; }
.empty-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--qlub-primary);
  margin: 0;
}
.empty-desc {
  font-size: 15px;
  color: var(--qlub-text-muted);
  margin: 0;
}

/* =====================================================
   FOOTER
   ===================================================== */
.qlub-footer {
  background: #16213e;
  color: rgba(255,255,255,0.7);
}
.qlub-footer-top { padding: 72px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 280px 1fr 260px;
  gap: 60px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}
.footer-logo img { height: 32px; width: auto; filter: brightness(0) invert(1); }
.footer-logo span { font-size: 18px; font-weight: 700; color: white; }
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  margin: 0 0 20px;
}
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  transition: all 0.2s ease;
  text-decoration: none;
}
.social-icon:hover { background: var(--qlub-accent); color: white; }

.footer-nav-group {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-nav-col { display: flex; flex-direction: column; gap: 12px; }
.footer-nav-title {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin: 0 0 4px;
}
.footer-nav-title a { color: white; text-decoration: none; }
.footer-nav-item {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav-item:hover { color: white; }

.footer-contact-title {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin: 0 0 16px;
}
.footer-contact-info { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}
.contact-item i { margin-top: 2px; flex-shrink: 0; }
.footer-qr-wrap { display: flex; gap: 16px; }
.footer-qr { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.qr-img {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  background: white;
  padding: 4px;
  object-fit: contain;
}
.qr-label { font-size: 12px; color: rgba(255,255,255,0.5); }

.qlub-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.copyright { font-size: 13px; color: rgba(255,255,255,0.4); }
.icp-link { color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; }
.icp-link:hover { color: rgba(255,255,255,0.7); }
.footer-lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  padding: 3px 6px;
  border-radius: 4px;
  transition: all 0.2s;
}
.footer-lang-btn:hover,
.footer-lang-btn.active { color: white; background: rgba(255,255,255,0.1); }

/* =====================================================
   响应式 - 平板 (max-width: 1024px)
   ===================================================== */
@media (max-width: 1024px) {
  .section-title { font-size: 28px; }
  .hero-title { font-size: 40px; }
  .hero-swiper { height: 480px; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { gap: 48px; }
  .about-media { flex: 0 0 360px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* =====================================================
   响应式 - 手机 (max-width: 768px)
   ===================================================== */
@media (max-width: 768px) {
  :root { --header-height: 60px; }

  .qlub-header-inner { gap: 16px; padding: 0 16px; }
  .desktop-nav { display: none; }
  .qlub-search-wrap { display: none; }
  .qlub-cta-btn { display: none; }
  .qlub-menu-toggle { display: flex; }

  /* 移动端hero区域高度自适应 */
  .qlub-hero {
    height: auto;
    min-height: unset;
  }
  .hero-swiper { height: 45vh; min-height: 200px; }
  .hero-stats {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    z-index: auto;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--qlub-white);
  }
  .hero-title { font-size: 26px; }
  .hero-stats-inner {
    flex-wrap: wrap;
    padding: 16px 0;
  }
  .stat-card { padding: 8px 20px; }
  .stat-divider { display: none; }
  .stat-num { font-size: 26px; }

  .qlub-about { padding: 60px 0; }
  .about-inner { flex-direction: column; gap: 32px; }
  .about-media { flex: none; width: 100%; }
  .about-badge { display: none; }

  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .advantages-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .advantage-card { padding: 24px 18px; }

  .process-steps { flex-direction: column; align-items: center; gap: 16px; }
  .process-arrow { transform: rotate(90deg); }
  .process-step { max-width: 100%; width: 100%; }

  .news-grid { grid-template-columns: 1fr; }
  .section-header-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-title { font-size: 24px; }

  .cta-banner-inner { flex-direction: column; text-align: center; }
  .cta-banner-title { font-size: 28px; }
  .cta-banner-actions { justify-content: center; flex-wrap: wrap; }

  .about-page-layout { flex-direction: column; padding: 32px 0; }
  .qlub-sidebar { width: 100%; }
  .product-list-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-detail-header { flex-direction: column; }
  .product-detail-img { flex: none; width: 100%; }
  .news-row-img { width: 120px; height: 80px; }
  .news-detail-article { padding: 24px 16px; }
  .news-detail-nav { flex-direction: column; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-nav-group { flex-direction: column; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer-brand { grid-column: unset; }

  .qlub-container { padding: 0 16px; }
  .page-banner-title { font-size: 24px; }
  .qlub-page-banner { padding: calc(var(--header-height) + 32px) 0 40px; }

  .about-content-body,
  .product-detail-body,
  .news-detail-article { padding: 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 22px; }
  .products-grid { grid-template-columns: 1fr; }
  .product-list-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .hero-swiper { height: 240px; }
}