/* ====================================================
   home.css - Homepage styles (CSS refactor step 2, 2026-08-26)
   Split from: style_new.css
   Requires: common.css loaded FIRST (vars/reset/btn/footer/news/reveal)
   Contains: global overrides (transparent nav, fixed top-bar) +
             hero/carousel/stats/services/cases/testimonials/contact +
             responsive + partners
   ====================================================

/* 跳过链接（无障碍） */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  z-index: 9999;
  border-radius: var(--radius-md);
  font-weight: 600;
}
.skip-link:focus { top: 8px; }

/* ===== 3. 工具类 ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-pad { padding: var(--section-pad-y) 0; }
.bg-light { background-color: var(--color-bg-section); }

/* 视觉隐藏（屏幕阅读器可读） */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== 4. 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 24px;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: transparent;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-primary-dark);
  color: var(--color-white);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
}

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

.btn-sm  { padding: 7px 16px; font-size: var(--text-sm); }
.btn-lg  { padding: 14px 32px; font-size: var(--text-lg); }
.btn-block { width: 100%; }

/* ===== 5. 徽章 ===== */
.badge-hot {
  display: inline-block;
  padding: 2px 7px;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
  vertical-align: middle;
}

/* ===== 6. Section 通用头部 ===== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}

.section-label {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(0, 82, 204, 0.08);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.section-footer {
  text-align: center;
  margin-top: var(--space-12);
}

/* ===== 7. Logo ===== */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
    width: 169px;
    height: auto;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.logo-tagline {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ===== 8. 顶部公告条 ===== */
.top-bar {
  position: fixed;                 /* 固定悬浮在导航上方 */
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  background: var(--color-primary);
  height: var(--top-bar-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  transition: transform 0.35s ease;
}
/* 滚动后：顶部公告条向上收起隐藏 */
.top-bar.scrolled {
  transform: translateY(-100%);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.top-bar__text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.92);
  font-size: var(--text-sm);
  font-weight: 500;
}

.icon-inline {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.top-bar__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.top-bar__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}
.top-bar__link svg { width: 13px; height: 13px; }
.top-bar__link:hover { color: white; }


/* ===== 10. Hero 轮播 ===== */
.hero-section {
  position: relative;
  overflow: hidden;
}

.carousel {
  position: relative;
  /* PC 端宽度始终 100%，高度按轮播图比例自适应（1920x811），
     保证图片完整展示且左右铺满、无留白无裁剪；
     注意：不能加 max-height，否则 aspect-ratio 会把宽度一起压缩 */
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 811;
  overflow: hidden;
  cursor: grab;
}

/* 鼠标拖拽轮播（PC 端）：拖拽中禁止选中文本/图片 */
.carousel.is-dragging {
  cursor: grabbing;
  user-select: none;
  -webkit-user-select: none;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 700ms ease-out;
}

.carousel-slide {
  position: relative;
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* 幻灯片背景 */
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1);
  transition: transform 8s ease-out;
}

.slide-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

/* PC / 移动端 轮播图切换（参考 zkj.com：移动端使用独立轮播图，避免错位）
   注意：必须用 .slide-bg .slide-bg-img--m 提高特异性，
   否则会被上方的 .slide-bg img { display: block; }（特异性更高）覆盖 */
.slide-bg .slide-bg-img--m { display: none; }
@media (max-width: 768px) {
  .slide-bg .slide-bg-img--pc { display: none; }
  .slide-bg .slide-bg-img--m { display: block; }
}

.carousel-slide.active .slide-bg { transform: scale(1); }


.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-item strong {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-white);
}
.stat-item span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
}


/* 动画进场 */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.carousel-slide.active .animate-in {
  opacity: 1;
  transform: translateY(0);
}
.carousel-slide.active .animate-in:nth-child(1) { transition-delay: 0.1s; }
.carousel-slide.active .animate-in:nth-child(2) { transition-delay: 0.2s; }
.carousel-slide.active .animate-in:nth-child(3) { transition-delay: 0.3s; }
.carousel-slide.active .animate-in:nth-child(4) { transition-delay: 0.4s; }
.carousel-slide.active .animate-in:nth-child(5) { transition-delay: 0.5s; }

/* 轮播指示条（横条样式，参考 zkj.com slick-dots；无左右箭头） */
.carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.dot {
  width: 48px;
  height: 4px;
  padding: 0;
  border: none;
  border-radius: 2px;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: background var(--transition-base);
}
.dot.active {
  background: var(--color-white);
}
.dot:hover { background: rgba(255,255,255,0.7); }

/* ===== 11. 数据荣誉带 ===== */
.trust-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-6) 0;
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-3) var(--space-8);
  flex: 1;
  min-width: 100px;
  text-align: center;
}

.trust-num {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.trust-unit {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.trust-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border-light);
  flex-shrink: 0;
}

/* ===== 12. 服务卡片 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.service-card:hover {
  border-color: var(--color-primary-light);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
  border-color: rgba(0, 82, 204, 0.25);
  background: var(--color-bg-section);
}

.service-card--featured::before { transform: scaleX(1); }

.service-card__badge {
  position: absolute;
  top: 20px; right: 20px;
  padding: 4px 10px;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.service-card__icon svg { width: 36px; height: 36px; }

/* 图标底色统一为品牌浅蓝（原 6 色系已收敛，服务之间靠图标形状区分） */
.service-card__icon--blue,
.service-card__icon--gradient,
.service-card__icon--green,
.service-card__icon--orange,
.service-card__icon--red,
.service-card__icon--purple { background: var(--color-bg-hover); }

.service-card__body { flex: 1; }

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.service-card__features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.service-card__cta {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: gap var(--transition-fast);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border-light);
}
.service-card__cta:hover { gap: var(--space-2); }

/* ===== 13. 核心优势（左白皮书 + 右优势列表） ===== */
.advantages-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-10);
  align-items: stretch;
}

/* ----- 左侧：资质信任面板（浅色扁平版，与右侧白卡以底色深浅区分层级） ----- */
.adv-panel {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: #EBF2FF;
  border: 1px solid rgba(0, 82, 204, 0.14);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-card);
}

.adv-panel__head { margin-bottom: var(--space-6); }

.adv-panel__label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  color: #0052CC;
  margin-bottom: var(--space-3);
}

.adv-panel__title {
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  font-weight: 800;
  line-height: 1.4;
  margin: 0;
  color: var(--color-text-primary);
}

.adv-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.adv-panel__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  font-size: .92rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
  transition: border-color var(--transition-fast);
}

.adv-panel__item:hover {
  border-color: var(--color-border-focus);
}

.adv-panel__ico {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-hover);
  color: #0052CC;
}

.adv-panel__foot {
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(0, 82, 204, 0.14);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.adv-panel__brand {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.adv-panel__brand-sub {
  font-size: .78rem;
  color: var(--color-text-muted);
}

/* ----- 白皮书下载通栏 CTA ----- */
.adv-wp-cta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: border-color var(--transition-base);
}

.adv-wp-cta:hover {
  border-color: var(--color-primary-light);
}

.adv-wp-cta__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.adv-wp-cta__tag {
  align-self: flex-start;
  padding: 3px 12px;
  background: rgba(0, 82, 204, 0.08);
  color: #0052CC;
  font-size: .75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.adv-wp-cta__title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--color-text-primary);
}

.adv-wp-cta__btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  background: var(--color-primary);
  color: #fff;
  font-size: .92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: background var(--transition-base);
}

.adv-wp-cta:hover .adv-wp-cta__btn {
  background: var(--color-primary-dark);
}

.adv-wp-cta__thumb {
  flex: none;
  width: 84px;
  height: 112px;
  object-fit: cover;
  object-position: top;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* ----- 右侧优势列表 ----- */
.advantages-list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
}

.adv-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5) var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-base);
}

.adv-item:hover {
  border-color: rgba(0, 82, 204, 0.22);
}

.adv-item__icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  background: var(--color-primary);
}

.adv-item__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.adv-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===== 14. 成功案例 ===== */

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

  /* ===== Section Header ===== */
  .section-header { text-align: center; padding: 80px 0 48px; }
  .section-label {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 100px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .section-title { font-size: 36px; font-weight: 700; line-height: 1.2; margin-bottom: 12px; }
  .section-desc { font-size: 17px; color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

  /* ===== Tab Navigation ===== */
  .tab-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 40px;
  }
  .tab-btn {
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
  }
  .tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
  }
  .tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }

  /* ===== Case Showcase ===== */
  .case-showcase {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .case-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
  }

  /* Left Panel */
  .case-left {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .case-tag-row {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
  }
  .case-tag {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
  }
  .case-tag--industry { background: var(--primary-light); color: var(--primary); }
  .case-tag--service { background: #f0f0f5; color: var(--text-secondary); }

  .case-kpi {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 8px;
  }
  .case-kpi-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
  }
  /* 无数字版：定性短语（原大号 KPI 数字已移除） */
  .case-kpi--phrase {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--primary);
    margin-bottom: 12px;
  }
  .case-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
  }
  .case-strategies {
    list-style: none;
    margin-bottom: 32px;
  }
  .case-strategies li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
  }
  .case-strategies li::before {
    content: "";
    display: block;
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    background: var(--primary);
    border-radius: 50%;
    position: relative;
  }
  .case-strategies li::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 3px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
  }
  .case-strategies li { position: relative; }
  .case-strategies li::before { position: relative; }
  .case-strategies li::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 5px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
  }

  .case-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 14px 28px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    align-self: flex-start;
  }
  .case-cta:hover {
    background: var(--primary-hover);
  }
  .case-cta svg { width: 16px; height: 16px; }

  /* Right Panel - Visual */
  .case-right {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .case-visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
  }
  .case-visual-inner {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
  }
  .case-visual-bg {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
  }
  .case-visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-sm);
  }
  .case-visual-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.15) 100%);
    z-index: 1;
  }
  .case-visual-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    padding: 24px;
  }
  .case-visual-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .case-visual-subtitle {
    font-size: 13px;
    opacity: 0.9;
  }

  /* 案例视觉底色：原 6 套行业配色（粉/橙/绿/紫/青/蓝）收敛为品牌深蓝单色 */
  .case-visual-bg { background: #003E99; }


  /* ===== CTA Footer ===== */
  .section-footer {
    text-align: center;
    padding: 48px 0 80px;
  }
  .btn-footer {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
  }
  .btn-footer:hover {
    background: var(--primary-hover);
  }

  /* ===== Animations ===== */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .animate-in {
    animation: fadeInUp 500ms ease-out forwards;
  }

  /* ===== Responsive ===== */
  @media (max-width: 900px) {
    .case-inner { grid-template-columns: 1fr; }
    .case-right { order: -1; min-height: 220px; }
    .case-left { padding: 28px 20px; }
    .case-showcase { border-radius: 12px; }
    .section-title { font-size: 24px; }
    .case-kpi { font-size: 32px; }
    .case-kpi--phrase { font-size: 19px; }
    .case-kpi-label { font-size: 16px; }
    .case-desc { font-size: 14px; }
    .case-strategies li { font-size: 13px; }
    .case-cta { padding: 12px 22px; font-size: 14px; }
    .section-header { padding: 48px 0 32px; }
    .section-desc { font-size: 15px; }
    .tab-nav { flex-wrap: wrap; justify-content: center; gap: 6px; padding-bottom: 0; }
    .tab-btn { padding: 8px 16px; font-size: 13px; }
    .case-visual { padding: 24px; }
    .section-footer { padding: 32px 0 48px; }
    .btn-footer { padding: 14px 28px; font-size: 15px; }
    .container { padding: 0 16px; }
  }


.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

article.case-card:first-child {
    background:url('/static/images/back1.jpg') center center;
}

article.case-card:nth-child(2) {
     background: url('/static/images/back2_compressed.jpg') center center;
}

article.case-card:nth-child(3) {
    background: url('/static/images/img_b7c04aafa2dd.jpg') 78% 75%;
}
article.case-card:nth-child(4) {
    background: url('/static/images/img_82897f0dcbdb.jpg') 50% 76%;
}

article.case-card:nth-child(5) {
    background: url('/static/images/img_4f8eb7121dd0.jpg') 50% 50%;
}

article.case-card:last-child {
    background: url('/static/images/img_8f52f6234fd7.jpg') 50% 50%;
}

.case-card:hover {
  border-color: var(--color-primary-light);
}

.case-card__header {
  padding: var(--space-6) var(--space-6) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.case-tag {
  padding: 4px 10px;
  background: rgba(255,255,255,0.2);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.case-service {
  padding: 4px 10px;
  background: rgba(0,0,0,0.2);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
}

.case-card__body {
  padding: var(--space-6);
}

.case-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.case-card__desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.78);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.case-result {
  display: flex;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-metric strong {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.case-metric span {
  font-size: var(--text-xs);
  color: #ced5e0;
}

/* ===== 15. 服务流程 ===== */
.process-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}

.process-step {
  text-align: left;
  padding: 0;
}

.process-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  margin-top: 62px;
}

.process-connector::after {
  content: '';
  display: block;
  width: 40px;
  height: 0;
  border-top: 2px dashed var(--color-border);
}

.process-step__num {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.process-step__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 var(--space-4);
}
.process-step__icon svg { width: 32px; height: 32px; }

.process-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.process-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===== 16. 客户证言 ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.testimonial-card:hover {
  border-color: rgba(0, 82, 204, 0.2);
}

.testimonial-rating {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.testimonial-rating svg { color: #F6A623; }

.testimonial-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  font-style: italic;
}

.testimonial-text::before { content: '\201C'; }
.testimonial-text::after  { content: '\201D'; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-hover);
  border: 1px solid rgba(0, 82, 204, 0.14);

  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: var(--text-base);
  font-weight: 800;
  flex-shrink: 0;
}
.testimonial-avatar img {
    border-radius: 50%;
}
.testimonial-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
  font-style: normal;
  display: block;
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===== 17. 合作伙伴标签云 ===== */
.partners-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-6);
  align-items:center;
}

.partner-tag {
  padding: 10px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  cursor: default;
}

.partner-tag:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.partners-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== 18. 联系区域 ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info .section-label { margin-bottom: var(--space-4); }

.contact-info .section-title {
  text-align: left;
  margin-bottom: var(--space-5);
}

.contact-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail-icon svg { width: 20px; height: 20px; }

.contact-detail-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-detail-item strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
}

.contact-detail-item span,
.contact-detail-item small {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-link {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}
.contact-link:hover { color: var(--color-primary-dark); }

/* ===== 联系表单 ===== */
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.required { color: var(--color-danger); }

.form-input,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-danger);
  outline-color: var(--color-danger);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 16px;
}

.form-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  padding: var(--space-3) 0;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
}

.checkbox-item input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.checkbox-item span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.checkbox-item:hover span { color: var(--color-primary); }

.btn-loading {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.loading .btn-text { display: none; }
.btn.loading .btn-loading { display: block; }
.btn.loading { pointer-events: none; opacity: 0.8; }

.form-privacy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-1);
}

.form-link { color: var(--color-primary); }
.form-link:hover { text-decoration: underline; }

/* ===== 19. 页脚 ===== */
.site-footer {
  background: var(--color-gray-900);
  color: rgba(255,255,255,0.85);
}

.footer-main { padding: var(--space-16) 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  align-items: start;
}

.footer-logo .logo-name { color: var(--color-white); }
.footer-logo .logo-tagline { color: rgba(255,255,255,0.5); }

.footer-brand-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  line-height: var(--leading-relaxed);
  margin: var(--space-5) 0;
}

.footer-tel {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-white);
  transition: color var(--transition-fast);
}
.footer-tel:hover { color: var(--color-accent); }

.footer-tel-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
  display: block;
}

.footer-nav-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-list a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.footer-nav-list a:hover { color: var(--color-white); }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

.footer-contact-list a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
}
.footer-contact-list a:hover { color: var(--color-white); }

.footer-qr { margin-top: var(--space-5); }

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.qr-placeholder span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
}

/* 页脚底部 */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-5) 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}

.footer-legal-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-legal-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}
.footer-legal-link:hover { color: rgba(255,255,255,0.8); }

.footer-icp {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

/* ===== 20. 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

.back-to-top svg { width: 20px; height: 20px; }

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
}

/* ===== 21. 动画 ===== */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes countUp {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ===== 22. 响应式布局 ===== */

/* 大屏 (≥1200px) 已是默认样式 */

/* 中等屏幕 (768px - 1199px) */
@media (max-width: 1199px) {
  :root {
    --section-pad-y: 64px;
    --container-pad: 20px;
  }

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

  .advantages-layout { grid-template-columns: 1fr; gap: var(--space-8); }

  /* 资质面板：窄屏改双列资质格 */
  .adv-panel { padding: var(--space-8) var(--space-6); }
  .adv-panel__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .adv-panel__foot { flex-direction: row; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }

  /* 白皮书 CTA：窄屏保持横排，压缩内边距 */
  .adv-wp-cta { padding: var(--space-5) var(--space-6); gap: var(--space-5); }
  .adv-wp-cta__title { font-size: .95rem; }

  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .process-connector { display: none; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: span 2; }
}

/* 平板 (600px - 767px) */
@media (max-width: 767px) {
  :root {
    --section-pad-y: 56px;
    --container-pad: 16px;
    --header-height: 60px;
    --top-bar-height: 32px;
  }

  /* 导航 */
  .main-nav,
  .nav-cta { display: none; }

  .hamburger { display: flex; }
  .mobile-nav { display: block; }

  .top-bar__right { display: none; }

  /* Hero */
  .carousel { height: auto; aspect-ratio: 1087 / 1447; }


  /* 数据带 */
  .trust-bar__inner { gap: 0; }
  .trust-item { padding: var(--space-3) var(--space-4); }
  .trust-divider { height: 30px; }
  .trust-num { font-size: var(--text-2xl); }

  /* 服务 */
  .services-grid { grid-template-columns: 1fr; gap: var(--space-5); }

  /* 优势：资质面板与优势列表改为单列 */
  .advantages-layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .adv-item { padding: var(--space-4); }
  .adv-item__icon { width: 40px; height: 40px; border-radius: 10px; }
  .adv-item__icon svg { width: 22px; height: 22px; }
  .adv-item__title { font-size: var(--text-base); }

  /* 资质面板：手机单列资质行 */
  .adv-panel { padding: var(--space-6) var(--space-5); }
  .adv-panel__list { grid-template-columns: 1fr; }

  /* 白皮书 CTA：手机竖排 */
  .adv-wp-cta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
  }
  .adv-wp-cta__btn { width: 100%; justify-content: center; }
  .adv-wp-cta__thumb { position: absolute; right: var(--space-4); top: var(--space-4); width: 56px; height: 75px; }
  .adv-wp-cta { position: relative; }
  .adv-wp-cta__body { padding-right: 72px; }

  /* 案例 */
  .cases-grid { grid-template-columns: 1fr; gap: var(--space-5); }

  /* 证言 */
  .testimonials-grid { grid-template-columns: 1fr; gap: var(--space-5); }

  /* 联系 */
  .contact-layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .contact-form-wrap { padding: var(--space-6); }
  .form-row { grid-template-columns: 1fr; }

  /* 页脚 */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: var(--space-2); }

  /* 回到顶部 */
  .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; }

  /* Section title */
  .section-title { font-size: var(--text-2xl); }
  .section-desc  { font-size: var(--text-base); }
}

/* 手机 (≤480px) */
@media (max-width: 480px) {
  :root {
    --section-pad-y: 48px;
    --container-pad: 14px;
  }

  .carousel { height: auto; aspect-ratio: 1087 / 1447; }


  .trust-bar__inner { flex-direction: row; justify-content: space-around; }
  .trust-divider { display: none; }
  .trust-item { flex: none; width: calc(50% - 8px); }

  .service-card { padding: var(--space-6); }
  .contact-form-wrap { padding: var(--space-5); }

  .footer-main { padding: var(--space-10) 0; }
  .footer-grid { gap: var(--space-6); }
  .footer-nav { display: none; }
  .footer-contact { display: none; }

}

/* ===== 23. 无障碍：减少动画 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ===== 24. 打印样式 ===== */
@media print {
  .site-header,
  .top-bar,
  .hero-section,
  .back-to-top,
  .hamburger { display: none !important; }

  body { font-size: 12pt; color: black; }
  a { color: inherit; }
}

/*合作品牌 自定义*/
.partners-tags>span>img {
    width: 100px;
    height: auto;
  
}


/* ====================================================
   5. 右侧浮窗 & GEO诊断弹窗
   ==================================================== */

/* ----- 5.1 右侧浮窗 ----- */
.float-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif);
}

/* 触发按钮（仅移动端显示，桌面隐藏） */
.float-sidebar__trigger {
  display: none;  /* 桌面端隐藏 */
}

/* 展开菜单面板（桌面默认直接展开） */
.float-sidebar__menu {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 12px 10px 14px;
  min-width: 170px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s;
  transform-origin: right center;
}

/* 收起态：隐藏菜单（仅桌面端手动点关闭按钮触发） */
.float-sidebar:not(.is-open) .float-sidebar__menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-50%) scale(0.92);
}

/* 关闭按钮 */
.float-sidebar__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border: none;
  background: var(--color-gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  transition: background 0.2s, color 0.2s;
}
.float-sidebar__close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
}
.float-sidebar__close svg {
  width: 14px;
  height: 14px;
}

/* 菜单项列表 */
.float-sidebar__items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 单个菜单项 */
.float-sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background 0.2s, color 0.2s;
  color: var(--color-text-primary);
}
.float-sidebar__item:hover {
  background: var(--color-bg-hover);
  color: var(--color-primary);
}

.float-sidebar__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.float-sidebar__icon svg {
  width: 20px;
  height: 20px;
}

/* 各项颜色：原 6 套彩色（蓝/橙/绿/紫）收敛为品牌浅蓝底 + 品牌蓝图标 */
.float-sidebar__item--chat .float-sidebar__icon,
.float-sidebar__item--quote .float-sidebar__icon,
.float-sidebar__item--geo .float-sidebar__icon,
.float-sidebar__item--phone .float-sidebar__icon,
.float-sidebar__item--wechat .float-sidebar__icon,
.float-sidebar__item--demo .float-sidebar__icon { background: var(--color-bg-hover); color: var(--color-primary); }


/* 电话咨询 — a标签重置样式 */
.float-sidebar__item--phone {
  text-decoration: none;
  color: var(--color-text-primary);
}
.float-sidebar__item--phone:hover {
  color: var(--color-primary);
}
.float-sidebar__item--phone .float-sidebar__label {
  font-size: 12px;
}

/* 微信咨询 — 悬停二维码 */
.float-sidebar__item--qr-wrap {
  position: relative;
  cursor: default;
}

/* 二维码弹出层（左侧展开） */
.float-sidebar__qr-popup {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) scale(0.88);
  transform-origin: right center;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  padding: 14px 14px 10px;
  text-align: center;
  min-width: 130px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 910;
}
/* 小三角指向右侧 */
.float-sidebar__qr-popup::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left-color: #fff;
  border-right-width: 0;
}

/* 悬停时显示 */
.float-sidebar__item--qr-wrap:hover .float-sidebar__qr-popup {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
  pointer-events: auto;
}

.float-sidebar__qr-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

.float-sidebar__qr-placeholder {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: 6px;
}

.float-sidebar__qr-tip {
  font-size: 12px;
  color: #555;
  line-height: 1.5;
  margin: 8px 0 0;
}


/* GEO诊断报告按钮：原黄白无限循环闪烁（离品牌色 + 无谓动效）改为品牌浅蓝静态强调 */
.float-sidebar__item--geo {
  background: var(--color-bg-hover);
  border-radius: 10px;
}
.float-sidebar__item--geo .float-sidebar__label {
  color: var(--color-primary);
  font-weight: 700;
}

.float-sidebar__label {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

/* ----- 5.2 GEO 诊断弹窗 ----- */
.geo-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.geo-modal.is-visible {
  opacity: 1;
  visibility: visible;
}

/* 遮罩 */
.geo-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* 内容卡片 */
.geo-modal__content {
  position: relative;
  background: #fff;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px 32px 28px;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.3s;
}
.geo-modal.is-visible .geo-modal__content {
  transform: scale(1) translateY(0);
}

/* 关闭按钮 */
.geo-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  transition: background 0.2s, color 0.2s;
  z-index: 2;
}
.geo-modal__close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
}
.geo-modal__close svg {
  width: 18px;
  height: 18px;
}

/* 弹窗头部 */
.geo-modal__header {
  text-align: center;
  margin-bottom: 28px;
}
.geo-modal__icon {
  margin-bottom: 12px;
}
.geo-modal__icon svg {
  width: 48px;
  height: 48px;
}
.geo-modal__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 8px;
  line-height: 1.3;
}
.geo-modal__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* 表单字段 */
.geo-modal__field {
  margin-bottom: 18px;
}
.geo-modal__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}
.geo-modal__required {
  color: var(--color-danger);
}
.geo-modal__input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text-primary);
  background: #fff;
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}
.geo-modal__input::placeholder {
  color: var(--color-text-muted);
}
.geo-modal__input:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

/* 提交按钮 */
.geo-modal__submit {
  width: 100%;
  height: 46px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  transition: opacity 0.2s, transform 0.2s;
}
.geo-modal__submit:hover {
  opacity: 0.92;
}
.geo-modal__submit:active {
  transform: translateY(0);
}
.geo-modal__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 信任提示 */
.geo-modal__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* 成功态 */
.geo-modal__success {
  display: none;
  text-align: center;
  padding: 24px 0 8px;
}
.geo-modal__success.is-active {
  display: block;
}
.geo-modal.is-success .geo-modal__body {
  display: none;
}
.geo-modal.is-success .geo-modal__success {
  display: block;
}

.geo-modal__success-icon {
  margin-bottom: 16px;
}
.geo-modal__success-icon svg {
  width: 64px;
  height: 64px;
}
.geo-modal__success-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-success);
  margin: 0 0 10px;
}
.geo-modal__success-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 14px;
}
.geo-modal__success-phone {
  font-size: 13px;
  color: var(--color-text-muted);
}
.geo-modal__success-phone a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.geo-modal__success-phone a:hover {
  text-decoration: underline;
}

/* ----- 5.3 响应式 ----- */

@media (max-width: 768px) {
  .float-sidebar {
    right: 12px;
    bottom: 80px;
    top: auto;
    transform: none;
  }
  
  /* 移动端：显示圆形触发按钮 */
  .float-sidebar__trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--color-primary);
    color: #fff;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s;
  }
  .float-sidebar__trigger:hover {
    transform: scale(1.08);
  }
  .float-sidebar__trigger svg {
    width: 22px;
    height: 22px;
  }

  /* 展开态：隐藏trigger */
  .float-sidebar.is-open .float-sidebar__trigger {
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }

  /* 移动端：菜单默认隐藏，is-open时展开 */
  .float-sidebar__menu {
    top: auto;
    bottom: 56px;
    right: 0;
    transform-origin: bottom right;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.92);
  }
  .float-sidebar.is-open .float-sidebar__menu {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }
  .float-sidebar:not(.is-open) .float-sidebar__menu {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.92);
  }

  .geo-modal__content {
    padding: 28px 20px 24px;
    max-width: 400px;
  }

}

@media (max-width: 480px) {
  .float-sidebar__label {
    font-size: 12px;
  }
  .geo-modal__content {
    padding: 24px 16px 20px;
    max-width: 100%;
  }
}

/* ===== FAQ 常见问题（2026-10-13 自 about.css 抽取，供首页复用）===== */
.faq-section {
  background: #fff;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.faq-item__q::-webkit-details-marker {
  display: none;
}

.faq-item__q:hover {
  background: var(--color-bg-hover);
}

/* Q 编号徽章 */
.faq-item__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 26px;
  padding: 0 8px;
  border-radius: 8px;
  background: var(--color-bg-hover);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 800;
}

.faq-item[open] .faq-item__num {
  background: var(--color-primary);
  color: #fff;
}

.faq-item__text {
  flex: 1;
  font-size: .98rem;
  line-height: 1.5;
}

/* 展开/收起箭头 */
.faq-item__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: var(--color-primary);
  background: rgba(0,82,204,.08);
  transition: background var(--transition-fast);
}

.faq-item__icon svg {
  transition: transform var(--transition-base);
}

.faq-item[open] .faq-item__icon svg {
  transform: rotate(180deg);
}

/* 答案区 */
.faq-item__a {
  padding: 4px 22px 20px 74px;
  border-top: 1px dashed var(--color-border-light);
  margin-top: -1px;
}

.faq-item__a p {
  font-size: .9rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 14px 0 0;
}

.faq-item__a strong {
  color: var(--color-primary);
  font-weight: 700;
}

.faq-item__cta {
  margin-top: 16px !important;
}

.faq-item__cta .btn {
  padding: 9px 24px;
  font-size: .9rem;
}

/* FAQ 底部联系 */
.faq-footer {
  max-width: 860px;
  margin: 32px auto 0;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
}


/* ===== B 层：区块头部去同构 =====
   打散"居中 pill 标签 + 标题 + 副标题"的全站同构。
   置于文件末尾：用于覆盖第 859 行起内嵌的历史遗留同名规则。 */

/* 数据带：数字与单位并排（原 flex-column 导致 "+ / % / 年+" 单独成行） */
.trust-item {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  column-gap: 3px;
  row-gap: 0;
}

.trust-label {
  flex-basis: 100%;
  margin-top: 4px;
}

.section-header .section-label,
.contact-info .section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  background: none;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: 0;
  margin-bottom: var(--space-3);
}

.section-header .section-label::before,
.contact-info .section-label::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.section-header.section-header--left {
  text-align: left;
  max-width: 620px;
  margin: 0 0 var(--space-12);
}

.section-header.section-header--left .section-desc {
  max-width: none;
  margin: 0;
}

.section-header.section-header--split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: end;
  column-gap: var(--space-12);
  text-align: left;
  max-width: none;
  margin: 0 0 var(--space-12);
}

.section-header--split .section-label,
.section-header--split .section-title {
  grid-column: 1;
}

.section-header--split .section-title {
  margin-bottom: 0;
}

.section-header--split .section-desc {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
  max-width: none;
  margin: 0;
  padding-bottom: 2px;
  font-size: var(--text-base);
}

@media (max-width: 1199px) {
  .section-header.section-header--split {
    grid-template-columns: 1fr;
    row-gap: var(--space-3);
    column-gap: 0;
  }
  .section-header--split .section-desc {
    grid-column: 1;
    grid-row: auto;
    font-size: var(--text-lg);
  }
}

@media (max-width: 767px) {
  .section-header.section-header--left,
  .section-header.section-header--split {
    margin-bottom: var(--space-10);
  }
}