/* ========== 全局基础 ========== */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #f59e0b;
  --light: #f8fafc;
  --dark: #1e293b;
  --gray: #6b7280;
  --light-gray: #e5e7eb;
  --wechat-green: #25d366;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif; }
body { line-height: 1.6; color: var(--dark); background-color: #f9fafb; -webkit-font-smoothing: antialiased; }

/* ========== 首页样式 ========== */
.header {
  background: white;
  padding: 1rem;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.logo { font-size: 1.4rem; color: var(--primary); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.header-nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.header-nav .service-link {
  padding: 0.4rem 0.8rem;
  background: var(--light);
  border-radius: 4px;
  color: var(--dark);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: 1px solid var(--light-gray);
  white-space: nowrap;
}
.header-nav .service-link:hover { background: var(--primary); color: white; border-color: var(--primary); }

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #2A6DFF 100%);
  color: white;
  padding: 0 1.5rem 3rem 1.5rem;
  text-align: center;
  position: relative;
}
.hero h1 { font-size: 2.2rem; margin-bottom: 1rem; line-height: 1.3; font-weight: 700; }
.hero p { margin-bottom: 1rem; font-size: 1.1rem; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero-highlight {
  background: rgba(255,255,255,0.2);
  padding: 1.5rem;
  border-radius: 8px;
  margin: 1.5rem auto;
  max-width: 600px;
}
.trust-badge { font-size: 0.9rem; margin-bottom: 0.5rem; display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; }
.hero-phone { font-size: 1.4rem; font-weight: bold; margin: 0.5rem 0; }
.trust-points { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; font-size: 0.9rem; margin-top: 1rem; }
.trust-points span i { margin-right: 0.3rem; }

.call-btn {
  display: inline-block;
  background: white;
  color: var(--primary);
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  border: none;
  cursor: pointer;
}
.call-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0,0,0,0.15); background: #f0f7ff; }

.hero-contact-extra {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.wechat-card, .order-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  border: 2px solid white;
  color: white;
  padding: 8px 20px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(2px);
}
.wechat-card {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
}
.wechat-card:hover, .order-link:hover {
  background: white;
  color: var(--primary);
  transform: translateY(-2px);
}
.wechat-card .wechat-link {
  color: white;
}
.wechat-card:hover .wechat-link {
  color: var(--primary);
}
.order-link { background: transparent; border: 2px solid white; }
.order-link:hover { background: white; }

.official-declaration {
  background: rgba(255,255,255,0.15);
  padding: 0.5rem 1rem;
  border-radius: 40px;
  font-size: 0.85rem;
  display: inline-block;
  margin-top: 0.5rem;
}

.services { padding: 3rem 1.5rem; background: var(--light); }
.section-title { text-align: center; margin-bottom: 1rem; font-size: 1.8rem; color: var(--dark); }
.section-subtitle { text-align: center; margin-bottom: 2rem; color: var(--gray); max-width: 800px; margin-left: auto; margin-right: auto; font-size: 1rem; background: #fff3e6; padding: 0.8rem; border-radius: 12px; border-left: 4px solid var(--secondary); }
.service-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid var(--light-gray);
  display: flex;
  flex-direction: column;
  min-height: 380px;
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.service-card h3 { color: var(--primary); margin-bottom: 1rem; font-size: 1.3rem; display: flex; align-items: center; gap: 0.8rem; }
.price-tag { background: #f0f7ff; padding: 0.6rem 1.2rem; border-radius: 4px; display: inline-block; margin: 0.5rem 0; font-weight: 600; color: var(--primary); border-left: 3px solid var(--primary); }
.area-keywords { margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed var(--light-gray); display: flex; flex-wrap: wrap; gap: 0.5rem; }
.keyword-tag { background: #f3f4f6; padding: 0.4rem 0.9rem; border-radius: 20px; font-size: 0.85rem; color: #4b5563; transition: all 0.2s ease; display: inline-block; text-decoration: none; }
.keyword-tag:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.card-link {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.8rem;
  background: var(--primary);
  color: white;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: auto;
  width: fit-content;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.card-link:hover { background: #1e4bb6; transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.15); }

.book-now-btn {
  background: var(--secondary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  text-align: center;
  margin-top: 1rem;
  transition: 0.2s;
  border: none;
  cursor: pointer;
  width: 100%;
}
.book-now-btn:hover { background: #e6910d; transform: translateY(-2px); }

.clean-features { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; }
.feature { background: var(--light); padding: 0.8rem; border-radius: 8px; text-align: center; }
.feature i { font-size: 1.5rem; color: var(--primary); margin-bottom: 0.5rem; display: block; }

.wash-price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin: 15px 0;
}
.wash-price-card {
  background: var(--light);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--light-gray);
  transition: all 0.2s;
}
.wash-price-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.wash-card-header { font-weight: 700; color: var(--primary); margin-bottom: 8px; font-size: 0.9rem; }
.wash-price-row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 4px 0; }
.wash-price-value { font-weight: 800; color: #e11d48; }
.wash-price-note { font-size: 0.7rem; color: var(--gray); margin-top: 8px; text-align: center; }

.price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin: 15px 0;
}
.mini-price-card {
  background: var(--light);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--light-gray);
  transition: all 0.2s;
}
.mini-price-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.mini-card-header { font-weight: 700; color: var(--primary); margin-bottom: 8px; font-size: 0.9rem; }
.mini-price-row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 4px 0; }
.mini-price-value { font-weight: 800; color: #e11d48; }
.price-note-small { font-size: 0.7rem; color: var(--gray); margin-top: 8px; text-align: center; }
.price-note-smallzeng1 { font-size: 1.1rem; color: #f03b04; margin-top: 8px; text-align: center; }

.wx-price-card {
  background: white;
  border-radius: 16px;
  border: 1px solid var(--light-gray);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.wx-price-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); border-color: var(--primary); }
.wx-card-header { background: var(--primary); color: white; padding: 14px 16px; text-align: center; font-weight: 700; font-size: 1.1rem; }
.wx-card-body { padding: 16px; }
.wx-price-row { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0; border-bottom: 1px dashed var(--light-gray); }
.wx-price-row:last-child { border-bottom: none; }
.wx-price-label { font-weight: 600; color: var(--dark); font-size: 0.9rem; }
.wx-price-value { font-size: 1.1rem; font-weight: 800; color: #e11d48; }
.wx-price-note { background: #fef3c7; margin-top: 12px; padding: 8px; border-radius: 8px; font-size: 0.75rem; color: #b45309; text-align: center; }
.wx-badge-included { background: #d1fae5; color: #065f46; font-size: 0.7rem; padding: 2px 8px; border-radius: 20px; display: inline-block; margin-left: 8px; }
.wx-badge-extra { background: #fee2e2; color: #991b1b; font-size: 0.7rem; padding: 2px 8px; border-radius: 20px; display: inline-block; margin-left: 8px; }

.collapse-section { margin: 1rem 0; border-top: 1px dashed var(--light-gray); padding-top: 0.8rem; }
.collapse-header { display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; }
.collapse-header h3 { font-size: 1rem; margin: 0; color: var(--primary); }
.toggle-icon { font-size: 1rem; color: var(--gray); transition: transform 0.2s; }
.collapse-content { overflow: hidden; transition: max-height 0.3s ease-out; max-height: 500px; }
.collapse-content.collapsed { max-height: 0; }
.review-card { margin-bottom: 0.8rem; font-size: 0.85rem; border-left: 3px solid var(--secondary); padding-left: 0.8rem; }
.faq-item { margin-bottom: 0.8rem; }
.faq-item h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.2rem; color: var(--dark); }
.faq-item p { font-size: 0.85rem; color: var(--gray); }

.contact-block {
  margin-top: 1.2rem;
  background: #e6f7ff;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  font-size: 1rem;
  border: 1px solid #bae7ff;
}
.contact-block a { color: var(--primary); font-weight: bold; text-decoration: none; }
.contact-block a:hover { text-decoration: underline; }

.area-services { padding: 3rem 1.5rem; background: white; }
.area-grid { display: grid; gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.area-card { background: var(--light); border-radius: 8px; padding: 1.5rem; box-shadow: 0 2px 10px rgba(0,0,0,0.06); border: 1px solid var(--light-gray); }
.area-card h3 { color: var(--primary); margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; }
.area-services-list { list-style: none; padding-left: 0; }
.area-services-list li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dashed var(--light-gray); display: flex; justify-content: space-between; align-items: center; }
.area-services-list li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.area-link-btn {
  background: var(--primary);
  color: white;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.area-link-btn:hover { background: #1e4bb6; }

.brand-services { padding: 3rem 1.5rem; background: #f0f7ff; }
.brand-grid { display: grid; gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.brand-card { background: white; border-radius: 8px; padding: 1.5rem; box-shadow: 0 2px 10px rgba(0,0,0,0.06); border: 1px solid var(--light-gray); transition: all 0.3s ease; }
.brand-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.brand-card h3 { color: var(--primary); margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; padding-bottom: 0.8rem; border-bottom: 2px solid var(--light-gray); }
.brand-services-list { list-style: none; padding-left: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.brand-services-list li { margin-bottom: 0.5rem; padding-bottom: 0.5rem; border-bottom: 1px dashed var(--light-gray); }
.brand-link {
  display: flex;
  align-items: center;
  padding: 0.6rem 1rem;
  background: #f8fafc;
  border-radius: 6px;
  text-decoration: none;
  color: var(--dark);
  transition: all 0.3s ease;
  font-weight: 500;
}
.brand-link:hover { background: var(--primary); color: white; transform: translateY(-2px); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.brand-link i { margin-right: 0.8rem; font-size: 1.1rem; }

/* ========== 通用工具类 ========== */
.keyword-highlight { color: var(--secondary); font-weight: 600; }
a { text-decoration: none !important; }
.beianhao { color: #e5e7eb; }
.float-btn {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  background: var(--secondary);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(245,158,11,0.3);
  z-index: 1000;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.1); background: #e6910d; }

/* ========== 案例首页模块 (case-section) ========== */
.case-section { padding: 3rem 1.5rem; background: #ffffff; }
.case-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 1.8rem;
}
.case-card {
  background: #f8fafc;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  border: 1px solid var(--light-gray);
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 10px 24px rgba(0,0,0,0.1); }
.case-img-box { width: 100%; height: 200px; background: #e5e7eb; overflow: hidden; }
.case-img-box img { width: 100%; height: 100%; object-fit: cover; transition: 0.4s; }
.case-card:hover .case-img-box img { transform: scale(1.08); }
.case-body { padding: 1.2rem; }
.case-body h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
  line-height: 1.4;
}
.case-location {
  font-size: 0.85rem;
  color: var(--secondary);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.case-desc { font-size: 0.9rem; color: var(--gray); line-height: 1.6; margin-bottom: 1rem; }
.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  background: var(--primary);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: 0.3s;
}
.case-link:hover { background: #1d4ed8; }

/* ========== 通用服务模块 (加氟/清洗/维修 共用) ========== */

/* ---- 容器 ---- */
.ktjf-container, .ktqx-container, .ktwx-container, .guzhang-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- 头部导航（三模块共用） ---- */
.ktjf-header, .ktqx-header, .ktwx-header {
  background: white;
  padding: 15px 0 10px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.ktjf-header-content, .ktqx-header-content, .ktwx-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}
.ktjf-logo, .ktqx-logo, .ktwx-logo {
  font-size: 1.6rem;
  color: var(--primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.ktjf-contact-info, .ktqx-contact-info, .ktwx-contact-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.ktjf-phone-link, .ktqx-phone-link, .ktwx-phone-link {
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}
.ktjf-phone-link:hover, .ktqx-phone-link:hover, .ktwx-phone-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

/* ---- 导航菜单（三模块共用） ---- */
.ktjf-main-nav, .ktqx-main-nav, .ktwx-main-nav, .guzhang-main-nav {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.ktjf-main-nav > a, .ktjf-nav-dropdown > a,
.ktqx-main-nav > a, .ktqx-nav-dropdown > a,
.ktwx-main-nav > a, .ktwx-nav-dropdown > a,
.guzhang-main-nav > a, .guzhang-nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: #475569;
  background: #f1f5f9;
  cursor: pointer;
  white-space: nowrap;
}
.ktjf-nav-dropdown, .ktqx-nav-dropdown, .ktwx-nav-dropdown, .guzhang-nav-dropdown {
  position: relative;
}
.ktjf-nav-dropdown > a.ktjf-active,
.ktqx-nav-dropdown > a.ktqx-active,
.ktwx-nav-dropdown > a.ktwx-active,
.guzhang-nav-dropdown > a.active {
  background: #2563eb;
  color: white;
}
.ktjf-dropdown-menu, .ktqx-dropdown-menu, .ktwx-dropdown-menu, .guzhang-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  min-width: 180px;
  z-index: 1001;
  padding: 8px 0;
}
.ktjf-dropdown-menu a, .ktqx-dropdown-menu a, .ktwx-dropdown-menu a, .guzhang-dropdown-menu a {
  display: block;
  padding: 10px 18px;
  color: #475569;
  text-decoration: none;
  font-size: 0.85rem;
}
.ktjf-dropdown-menu a:first-child, .ktqx-dropdown-menu a:first-child,
.ktwx-dropdown-menu a:first-child, .guzhang-dropdown-menu a:first-child {
  font-weight: 600;
  color: #1e293b;
  border-bottom: 1px solid #f1f5f9;
}
.ktjf-dropdown-menu a:hover, .ktqx-dropdown-menu a:hover,
.ktwx-dropdown-menu a:hover, .guzhang-dropdown-menu a:hover {
  background: #eff6ff;
  color: #2563eb;
}
.ktjf-nav-dropdown:hover .ktjf-dropdown-menu,
.ktqx-nav-dropdown:hover .ktqx-dropdown-menu,
.ktwx-nav-dropdown:hover .ktwx-dropdown-menu,
.guzhang-nav-dropdown:hover .guzhang-dropdown-menu {
  display: block;
}

/* ---- 面包屑（三模块共用） ---- */
.ktjf-breadcrumb-nav, .ktqx-breadcrumb-nav, .ktwx-breadcrumb-nav, .guzhang-breadcrumb-nav {
  background: var(--light);
  padding: 12px 0;
  border-bottom: 1px solid #cbd5e1;
}
.ktjf-breadcrumb-nav .ktjf-container, .ktqx-breadcrumb-nav .ktqx-container,
.ktwx-breadcrumb-nav .ktwx-container, .guzhang-breadcrumb-nav .guzhang-container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--gray);
  flex-wrap: wrap;
}
.ktjf-breadcrumb-nav a, .ktqx-breadcrumb-nav a, .ktwx-breadcrumb-nav a, .guzhang-breadcrumb-nav a {
  color: var(--primary);
  text-decoration: none;
}
.ktjf-breadcrumb-nav a:hover, .ktqx-breadcrumb-nav a:hover,
.ktwx-breadcrumb-nav a:hover, .guzhang-breadcrumb-nav a:hover {
  text-decoration: underline;
}
.ktjf-breadcrumb-nav .separator, .ktqx-breadcrumb-nav .separator,
.ktwx-breadcrumb-nav .separator, .guzhang-breadcrumb-nav .separator {
  color: #94a3b8;
}

/* ---- 页面标题（三模块共用） ---- */
.ktjf-page-title, .ktqx-page-title, .ktwx-page-title, .guzhang-page-title {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ktjf-page-title h1, .ktqx-page-title h1, .ktwx-page-title h1, .guzhang-page-title h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}
.ktjf-page-title p, .ktqx-page-title p, .ktwx-page-title p, .guzhang-page-title p {
  font-size: 1.2rem;
  position: relative;
  z-index: 2;
}
.ktjf-area-tag { display: inline-block; background: rgba(255,255,255,0.2); padding: 6px 18px; border-radius: 30px; font-size: 1rem; margin-top: 10px; }

/* ---- 主体布局（三模块共用） ---- */
.ktjf-service-details, .ktqx-service-details, .ktwx-service-details, .guzhang-service-details {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 40px;
  margin-bottom: 60px;
}
.ktjf-service-content, .ktqx-service-content, .ktwx-service-content, .guzhang-service-content {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.ktjf-service-sidebar, .ktqx-service-sidebar, .ktwx-service-sidebar, .guzhang-service-sidebar {
  background: white;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  align-self: start;
  position: sticky;
  top: 190px;
}
.ktjf-service-section, .ktqx-service-section, .ktwx-service-section, .guzhang-service-section {
  margin-bottom: 30px;
}
.ktjf-service-section h2, .ktqx-service-section h2,
.ktwx-service-section h2, .guzhang-service-section h2 {
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--light-gray);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---- 功能卡片（三模块共用） ---- */
.ktjf-service-features, .ktqx-service-features, .ktwx-service-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 25px 0;
}
.ktjf-feature-card, .ktqx-feature-card, .ktwx-feature-card {
  background: var(--light);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--light-gray);
}
.ktjf-feature-card:hover, .ktqx-feature-card:hover, .ktwx-feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}
.ktjf-feature-card i, .ktqx-feature-card i, .ktwx-feature-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

/* ---- 通知框（三模块共用） ---- */
.ktjf-alert-box, .ktqx-alert-box, .ktwx-alert-box {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 8px;
}
.ktjf-alert-box i, .ktqx-alert-box i, .ktwx-alert-box i { color: #f59e0b; margin-right: 10px; }
.ktjf-info-box, .ktqx-info-box, .ktwx-info-box {
  background: #e6f7ff;
  border-left: 4px solid var(--primary);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 8px;
}
.ktjf-official-note, .ktqx-official-note, .ktwx-official-note {
  background: #e6f7ff;
  border-left: 4px solid var(--primary);
  padding: 10px 15px;
  margin: 15px 0;
  font-size: 0.85rem;
  color: #1e40af;
  border-radius: 8px;
}

/* ---- 区域列表（三模块共用） ---- */
.ktjf-service-areas, .ktqx-service-areas, .ktwx-service-areas {
  background: var(--light);
  border-radius: 12px;
  padding: 30px;
  margin: 30px 0;
}
.ktjf-areas-grid, .ktqx-areas-grid, .ktwx-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 15px;
  margin-top: 20px;
}
.ktjf-area-item, .ktqx-area-item, .ktwx-area-item {
  background: white;
  padding: 12px;
  border-radius: 40px;
  text-align: center;
  transition: 0.2s;
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  display: block;
  color: var(--dark);
  text-decoration: none;
}
.ktjf-area-item:hover, .ktqx-area-item:hover, .ktwx-area-item:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}
.ktjf-highlight-area {
  background: linear-gradient(135deg, #ffd700 0%, #ffb700 100%);
  color: #333;
  font-weight: bold;
}
.ktwx-highlight-area {
  background: linear-gradient(135deg, #ffd700 0%, #ffb700 100%);
  color: #333;
  font-weight: bold;
  position: relative;
  overflow: hidden;
}
.ktwx-highlight-area::after {
  content: "热门";
  position: absolute;
  top: -8px;
  right: -28px;
  background: #e11d48;
  color: white;
  padding: 3px 30px;
  font-size: 0.7rem;
  transform: rotate(45deg);
}

/* ---- 侧边栏列表（三模块共用） ---- */
.ktjf-sidebar-list, .ktqx-sidebar-list, .ktwx-sidebar-list, .guzhang-sidebar-list {
  list-style: none;
}
.ktjf-sidebar-list li, .ktqx-sidebar-list li, .ktwx-sidebar-list li, .guzhang-sidebar-list li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---- CTA 区域（三模块共用） ---- */
.ktjf-cta-section, .ktqx-cta-section, .ktwx-cta-section, .guzhang-cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 24px;
  padding: 50px;
  text-align: center;
  color: white;
  margin: 50px 0;
  position: relative;
  overflow: hidden;
}
.ktjf-cta-btn, .ktqx-cta-btn, .ktwx-cta-btn, .guzhang-cta-btn {
  display: inline-block;
  background: white;
  color: var(--dark);
  padding: 16px 45px;
  border-radius: 60px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 20px 0;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: 0.2s;
}
.ktjf-cta-btn:hover, .ktqx-cta-btn:hover, .ktwx-cta-btn:hover, .guzhang-cta-btn:hover {
  transform: translateY(-3px);
  background: #f8fafc;
}

/* ---- 页脚（所有模块共用） ---- */
.ktjf-footer, .ktqx-footer, .ktwx-footer, .guzhang-footer,
.anli-footer, .alzs-footer {
  background: #0f172a;
  color: white;
  padding: 50px 0 20px;
}
.ktjf-footer-content, .ktqx-footer-content, .ktwx-footer-content,
.guzhang-footer-content, .anli-footer-container, .alzs-footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.ktjf-footer-column h3, .ktqx-footer-column h3, .ktwx-footer-column h3,
.guzhang-footer-column h3, .anli-footer-col h4, .alzs-footer-col h4 {
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
  font-size: 1.1rem;
  color: white;
}
.ktjf-footer-column h3::after, .ktqx-footer-column h3::after,
.ktwx-footer-column h3::after, .guzhang-footer-column h3::after,
.anli-footer-col h4::after, .alzs-footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: #f59e0b;
}
.ktjf-footer-links, .ktqx-footer-links, .ktwx-footer-links,
.guzhang-footer-links, .anli-footer-links, .alzs-footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ktjf-footer-links a, .ktqx-footer-links a, .ktwx-footer-links a,
.guzhang-footer-links a, .anli-footer-links a, .alzs-footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: 0.2s;
}
.ktjf-footer-links a:hover, .ktqx-footer-links a:hover,
.ktwx-footer-links a:hover, .guzhang-footer-links a:hover,
.anli-footer-links a:hover, .alzs-footer-links a:hover {
  color: #f59e0b;
  padding-left: 3px;
}
.ktjf-footer-info, .ktqx-footer-info, .ktwx-footer-info,
.guzhang-footer-info, .anli-footer-info, .alzs-footer-info {
  border-top: 1px solid #1e293b;
  padding-top: 25px;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== 加氟模块独有样式 ========== */
.price-cards-jf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 25px 0;
}
.price-card-jf {
  background: white;
  border-radius: 16px;
  border: 1px solid var(--light-gray);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.price-card-jf:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  border-color: var(--primary);
}
.card-header-jf {
  background: var(--primary);
  color: white;
  padding: 14px 16px;
  text-align: center;
  font-weight: 700;
  font-size: 1.2rem;
}
.card-body-jf { padding: 16px; }
.price-row-jf {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed var(--light-gray);
}
.price-row-jf:last-child { border-bottom: none; }
.price-label-jf {
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-label-jf i { color: var(--primary); width: 20px; font-size: 0.9rem; }
.price-value-jf { font-size: 1.4rem; font-weight: 800; color: #e11d48; }
.card-note-jf {
  background: #f8fafc;
  margin-top: 12px;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--gray);
  text-align: center;
}
.ktjf-refrigerant-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 25px 0;
}
.ktjf-refrigerant-step {
  flex: 1;
  min-width: 200px;
  background: var(--light);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--light-gray);
}
.ktjf-step-number {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 10px;
}
.ktjf-gaoxin-feature {
  background: #f0f7ff;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border-left: 4px solid var(--primary);
}
.ktjf-gaoxin-feature h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  margin-bottom: 15px;
}

/* ========== 清洗模块独有样式 ========== */
.ktqx-price-showcase {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 30px 0;
  justify-content: center;
}
.ktqx-price-model-card {
  flex: 1;
  min-width: 260px;
  max-width: 320px;
  background: white;
  border-radius: 24px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: all 0.25s;
  border: 1px solid #eef2ff;
}
.ktqx-price-model-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px rgba(37,99,235,0.12);
}
.ktqx-model-header {
  background: var(--primary);
  color: white;
  padding: 18px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
}
.ktqx-service-options { padding: 24px 20px 28px; text-align: center; }
.ktqx-service-name {
  font-weight: 600;
  color: #1e293b;
  font-size: 1rem;
  margin-bottom: 10px;
}
.ktqx-service-price {
  font-size: 2rem;
  font-weight: 800;
  color: #dc2626;
  line-height: 1;
  margin: 10px 0;
}
.ktqx-service-price small { font-size: 1rem; font-weight: normal; color: #475569; }
.ktqx-depth-badge {
  display: inline-block;
  background: #fef3c7;
  color: #b45309;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 30px;
  margin: 8px 0;
}
.ktqx-price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.ktqx-price-table th, .ktqx-price-table td {
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid var(--light-gray);
}
.ktqx-price-table th { background: var(--light); color: var(--primary); font-weight: 700; }
.ktqx-cleaning-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 30px 0;
}
.ktqx-step-card {
  flex: 1;
  min-width: 180px;
  background: var(--light);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  border: 1px solid #cbd5e1;
}
.ktqx-step-number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-weight: bold;
}
.ktqx-faq-item {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--light-gray);
  padding-bottom: 16px;
}
.ktqx-faq-question {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ktqx-faq-question i { font-size: 1.2rem; }
.ktqx-faq-answer { color: var(--gray); line-height: 1.6; padding-left: 28px; }
.ktqx-rating-summary {
  background: #fef9e3;
  border-radius: 16px;
  padding: 20px;
  margin: 30px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.ktqx-rating-stars { display: flex; align-items: center; gap: 8px; }
.ktqx-rating-stars i { color: #fbbf24; font-size: 1.4rem; }
.ktqx-rating-score { font-size: 2rem; font-weight: 800; color: #0f172a; }
.ktqx-rating-count { color: #475569; }
.ktqx-review-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.ktqx-review-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.ktqx-reviewer { font-weight: 700; color: var(--dark); }
.ktqx-review-stars i { color: #fbbf24; font-size: 0.9rem; }
.ktqx-review-text { color: var(--gray); margin-top: 8px; }
.ktqx-benefit-box {
  background: var(--light);
  border-left: 4px solid var(--primary);
  padding: 20px;
  margin: 20px 0;
  border-radius: 12px;
}
.ktqx-data-hook {
  background: #fef3c7;
  padding: 12px 20px;
  border-radius: 8px;
  text-align: center;
  margin: 0 0 1.5rem 0;
  font-size: 0.95rem;
  color: #92400e;
  line-height: 1.8;
  border-left: 4px solid #f59e0b;
}
.ktqx-gaoxin-feature {
  background: #f0f7ff;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border-left: 4px solid var(--primary);
}
.ktqx-gaoxin-feature h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  margin-bottom: 15px;
}

/* ========== 维修模块独有样式 ========== */
.ktwx-price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 25px 0;
}
.ktwx-price-card {
  background: white;
  border-radius: 16px;
  border: 1px solid var(--light-gray);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.ktwx-price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  border-color: var(--primary);
}
.ktwx-card-header {
  background: var(--primary);
  color: white;
  padding: 14px 16px;
  text-align: center;
  font-weight: 700;
  font-size: 1.2rem;
}
.ktwx-card-body { padding: 16px; }
.ktwx-price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--light-gray);
}
.ktwx-price-row:last-child { border-bottom: none; }
.ktwx-price-label { font-weight: 600; color: var(--dark); }
.ktwx-price-value { font-size: 1.2rem; font-weight: 800; color: #e11d48; }
.ktwx-price-note {
  background: #fef3c7;
  margin-top: 12px;
  padding: 8px;
  border-radius: 8px;
  font-size: 0.75rem;
  color: #b45309;
  text-align: center;
}
.ktwx-badge-included {
  background: #d1fae5;
  color: #065f46;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  display: inline-block;
  margin-left: 8px;
}
.ktwx-badge-extra {
  background: #fee2e2;
  color: #991b1b;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  display: inline-block;
  margin-left: 8px;
}
.ktwx-details {
  background: white;
  border-radius: 12px;
  border: 1px solid var(--light-gray);
  margin-bottom: 20px;
  overflow: hidden;
}
.ktwx-summary {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--light);
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.ktwx-summary::-webkit-details-marker { display: none; }
.ktwx-summary i { font-size: 1.2rem; }
.ktwx-summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  font-size: 0.9rem;
  color: var(--gray);
  transition: transform 0.2s;
}
.ktwx-details[open] .ktwx-summary { border-bottom-color: var(--light-gray); }
.ktwx-details[open] .ktwx-summary::after { transform: rotate(180deg); }
.ktwx-details-content { padding: 20px; }
.ktwx-transparent-box {
  background: #ecfdf5;
  border-left: 4px solid #10b981;
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 8px;
}
.ktwx-featured-area {
  background: linear-gradient(to right, #f0f7ff, #e6f7ff);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border: 1px solid #d1e9ff;
}
.ktwx-area-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 15px;
}
.ktwx-area-highlight {
  background: white;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.ktwx-area-highlight:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.ktwx-area-highlight h3 {
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
}
.ktwx-case-studies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}
.ktwx-case-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}
.ktwx-case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.ktwx-case-image {
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
}
.ktwx-case-content { padding: 15px; }
.ktwx-case-content h3 { margin-bottom: 8px; color: var(--primary); font-size: 1.1rem; }
.ktwx-refrigerant-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 25px 0;
}
.ktwx-refrigerant-step {
  flex: 1;
  min-width: 200px;
  background: var(--light);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--light-gray);
}
.ktwx-step-number {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 10px;
}

/* ========== 关于页 (about.html) 独有样式 ========== */
.about-container { max-width: 1000px; margin: 2rem auto; padding: 0 1.5rem; }
.about-card { background: white; border-radius: 12px; padding: 2rem; box-shadow: 0 4px 20px rgba(0,0,0,0.08); margin-bottom: 2rem; }
.about-card h1 { color: var(--primary); font-size: 1.8rem; margin-bottom: 1rem; border-left: 4px solid var(--primary); padding-left: 1rem; }
.about-card h2 { font-size: 1.3rem; margin: 1.5rem 0 0.8rem; color: var(--dark); display: flex; align-items: center; gap: 0.5rem; }
.about-info-grid { background: var(--light); border-radius: 8px; padding: 1.2rem; margin: 1rem 0; }
.about-info-row { display: flex; padding: 0.8rem 0; border-bottom: 1px solid var(--light-gray); }
.about-info-row:last-child { border-bottom: none; }
.about-info-label { width: 140px; font-weight: 600; color: var(--primary); }
.about-info-value { flex: 1; color: var(--dark); }
.about-declaration-box { background: #e6f7ff; border-left: 4px solid var(--primary); padding: 1.2rem; margin: 1.5rem 0; border-radius: 8px; }
.about-footer { background: #1e293b; color: white; padding: 2rem 1.5rem; margin-top: 3rem; text-align: center; }
.about-footer a { color: #cbd5e1; text-decoration: none; }
.about-footer a:hover { color: var(--secondary); }
.about-btn-back { display: inline-block; background: var(--primary); color: white; padding: 0.6rem 1.2rem; border-radius: 24px; text-decoration: none; margin-top: 1rem; transition: all 0.3s ease; }
.about-btn-back:hover { background: #1e4bb6; }
@media (max-width: 600px) {
  .about-info-row { flex-direction: column; }
  .about-info-label { width: auto; margin-bottom: 0.3rem; }
}

/* ========== 法律声明页 (flsm.html) 独有样式 ========== */
.flsm-legal-container { max-width: 800px; margin: 6rem auto 2rem; padding: 2rem; background: white; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.flsm-legal-title { color: var(--primary); font-size: 2rem; margin-bottom: 1.5rem; text-align: center; padding: 1rem 0; border-bottom: 2px solid var(--primary); }
.flsm-legal-section h3 { color: var(--dark); margin: 2rem 0 1rem; padding-left: 0.5rem; border-left: 4px solid var(--secondary); }
.flsm-legal-section ul { padding-left: 2rem; margin: 1rem 0; }
.flsm-legal-section li { margin-bottom: 0.8rem; line-height: 1.8; }
.flsm-legal-contact { background: var(--light); padding: 1.5rem; border-radius: 8px; margin: 2rem 0; text-align: center; }
.flsm-footer { background: #1e293b; color: white; padding: 2rem 1.5rem; text-align: center; }
.flsm-footer-links { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.flsm-footer-links a { color: #cbd5e1; text-decoration: none; }
.flsm-footer-links a:hover { color: var(--secondary); }
@media (max-width: 768px) {
  .flsm-legal-container { margin: 5rem 1rem 1rem; padding: 1.5rem; }
  .flsm-legal-title { font-size: 1.5rem; }
}

/* ========== 城市合作页 (hezuo.html) 独有样式 ========== */
.hezuo-container { max-width: 800px; margin: 0 auto; padding: 2rem 1.5rem; }
.hezuo-header { text-align: center; padding: 2rem 0 1rem; }
.hezuo-header h1 { font-size: 1.8rem; color: #1e40af; }
.hezuo-header p { color: #64748b; margin-top: 0.5rem; }
.hezuo-card { background: white; border-radius: 16px; padding: 2rem; margin-bottom: 1.5rem; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.hezuo-card h2 { font-size: 1.3rem; color: #1e293b; margin-bottom: 1rem; border-left: 4px solid #2563eb; padding-left: 0.8rem; }
.hezuo-card h3 { color: #2563eb; margin-top: 1rem; margin-bottom: 0.5rem; font-size: 1.05rem; }
.hezuo-card p { margin-bottom: 0.8rem; color: #475569; }
.hezuo-card-center { text-align: center; }
.hezuo-tag-group { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0; }
.hezuo-tag { display: inline-block; background: #eff6ff; color: #2563eb; padding: 0.2rem 0.8rem; border-radius: 30px; font-size: 0.85rem; }
.hezuo-highlight-box { background: #fef9e6; border-left: 4px solid #f59e0b; padding: 1rem 1.2rem; border-radius: 0 12px 12px 0; margin: 1rem 0; }
.hezuo-highlight-box p { color: #475569; line-height: 1.8; }
.hezuo-highlight-box strong { color: #1e293b; }
.hezuo-condition-list { padding-left: 1.2rem; color: #475569; line-height: 2.2; }
.hezuo-condition-list li { list-style-type: disc; }
.hezuo-phone-link { color: #2563eb; text-decoration: none; }
.hezuo-phone-link:hover { text-decoration: underline; }
.hezuo-btn-contact { display: inline-block; background: #2563eb; color: white; padding: 0.8rem 2rem; border-radius: 40px; text-decoration: none; font-weight: 600; margin-top: 1rem; transition: all 0.3s ease; border: none; cursor: pointer; }
.hezuo-btn-contact:hover { background: #1e40af; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.hezuo-footer { text-align: center; padding: 1rem 0; color: #94a3b8; font-size: 0.8rem; }
.hezuo-footer a { color: #64748b; text-decoration: none; }
.hezuo-footer a:hover { color: #2563eb; }
@media (max-width: 600px) {
  .hezuo-container { padding: 1rem 1rem; }
  .hezuo-card { padding: 1.2rem; }
  .hezuo-header h1 { font-size: 1.4rem; }
  .hezuo-tag { font-size: 0.75rem; padding: 0.15rem 0.6rem; }
}

/* ========== 微信客服页 (weixinma.html) 独有样式 ========== */
.weixin-container { min-height: 100vh; display: flex; justify-content: center; align-items: center; padding: 2rem; background: linear-gradient(135deg, #2563eb 0%, #2A6DFF 100%); }
.weixin-card { max-width: 420px; width: 100%; background: white; border-radius: 32px; box-shadow: 0 25px 45px rgba(0,0,0,0.2); text-align: center; padding: 2rem 1.5rem; transition: transform 0.3s ease; animation: weixin-fadeInUp 0.5s ease-out; }
.weixin-card:hover { transform: translateY(-5px); }
.weixin-card h2 { font-size: 1.8rem; color: #1e293b; margin-bottom: 0.5rem; display: flex; align-items: center; justify-content: center; gap: 0.6rem; }
.weixin-card h2 i { color: #2563eb; font-size: 1.8rem; }
.weixin-subtitle { color: #6b7280; margin-bottom: 1.8rem; font-size: 1rem; border-bottom: 1px solid #e5e7eb; display: inline-block; padding-bottom: 6px; }
.weixin-qr-image { background: #f8fafc; padding: 1rem; border-radius: 24px; margin: 1rem 0; display: inline-block; box-shadow: 0 8px 20px rgba(0,0,0,0.05); }
.weixin-qr-image img { width: 240px; height: auto; display: block; border-radius: 16px; margin: 0 auto; transition: all 0.2s; }
.weixin-tips { background: #eef2ff; border-radius: 40px; padding: 0.8rem 1.2rem; margin: 1.5rem 0; color: #1e40af; font-size: 0.9rem; font-weight: 500; display: inline-flex; align-items: center; gap: 0.6rem; }
.weixin-tips i { font-size: 1.1rem; }
.weixin-btn-back { display: inline-flex; align-items: center; gap: 0.6rem; background: #2563eb; color: white; padding: 12px 28px; border-radius: 40px; text-decoration: none; font-weight: 600; font-size: 1rem; transition: all 0.3s ease; margin-top: 0.5rem; border: none; cursor: pointer; box-shadow: 0 4px 8px rgba(37,99,235,0.2); }
.weixin-btn-back:hover { background: #1e4bb6; transform: translateY(-2px); box-shadow: 0 8px 16px rgba(37,99,235,0.3); }
@keyframes weixin-fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 480px) {
  .weixin-container { padding: 1rem; }
  .weixin-card { padding: 1.5rem 1rem; }
  .weixin-qr-image img { width: 200px; }
  .weixin-card h2 { font-size: 1.5rem; }
  .weixin-btn-back { padding: 10px 22px; font-size: 0.9rem; }
}

/* ========== 隐私条款页 (ystk.html) 独有样式 ========== */
.ystk-header { background: white; padding: 1rem; position: fixed; width: 100%; top: 0; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.ystk-nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
.ystk-logo { font-size: 1.4rem; color: var(--primary); font-weight: 700; }
.ystk-nav-links { display: flex; gap: 2rem; }
.ystk-nav-link { color: var(--dark); text-decoration: none; font-weight: 500; transition: all 0.3s ease; padding: 0.5rem 1rem; border-radius: 4px; }
.ystk-nav-link:hover { color: var(--primary); background: rgba(37,99,235,0.1); }
.ystk-privacy-container { max-width: 800px; margin: 6rem auto 2rem; padding: 2rem; background: white; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.ystk-privacy-title { color: var(--primary); font-size: 2rem; margin-bottom: 1.5rem; text-align: center; padding: 1rem 0; border-bottom: 2px solid var(--primary); }
.ystk-privacy-section h3 { color: var(--dark); margin: 2rem 0 1rem; padding-left: 0.5rem; border-left: 4px solid var(--secondary); }
.ystk-privacy-section ul { padding-left: 2rem; margin: 1rem 0; }
.ystk-privacy-section li { margin-bottom: 0.8rem; line-height: 1.8; }
.ystk-privacy-contact { background: var(--light); padding: 1.5rem; border-radius: 8px; margin: 2rem 0; text-align: center; }
.ystk-privacy-contact h3 { margin-bottom: 1rem; }
.ystk-footer { background: #f5f5f7; padding: 2rem 1.5rem; border-top: 1px solid #e5e7eb; }
.ystk-footer-links { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: nowrap; overflow-x: auto; }
.ystk-footer-links a { color: #374151; text-decoration: none; font-size: 0.95rem; transition: color 0.3s ease; white-space: nowrap; padding: 0.5rem 0; }
.ystk-footer-links a:hover { color: var(--primary); }
@media (max-width: 768px) {
  .ystk-nav-links { gap: 1rem; }
  .ystk-nav-link { font-size: 0.9rem; padding: 0.3rem 0.8rem; }
  .ystk-privacy-container { margin: 5rem 1rem 1rem; padding: 1.5rem; }
  .ystk-privacy-title { font-size: 1.5rem; }
}
@media (max-width: 480px) {
  .ystk-nav-container { flex-direction: column; align-items: flex-start; }
  .ystk-nav-links { margin-top: 0.5rem; }
  .ystk-nav-link { font-size: 0.85rem; }
}

/* ========== 案例总览页 (anlizong.html) 独有样式 ========== */
.alzs-header { background: white; padding: 1rem; position: fixed; width: 100%; top: 0; left: 0; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.8rem; }
.alzs-logo { font-size: 1.4rem; color: var(--primary); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.alzs-header-nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.alzs-service-link { padding: 0.4rem 0.8rem; background: var(--light); border-radius: 4px; color: var(--dark); text-decoration: none; font-size: 0.9rem; transition: all 0.3s ease; border: 1px solid var(--light-gray); white-space: nowrap; }
.alzs-service-link:hover { background: var(--primary); color: white; border-color: var(--primary); }
.alzs-banner { background: linear-gradient(135deg, var(--primary) 0%, #2A6DFF 100%); color: white; padding: 120px 1.5rem 40px; text-align: center; }
.alzs-banner h1 { font-size: 1.8rem; margin-bottom: 0.8rem; line-height: 1.4; }
.alzs-banner p { font-size: 1rem; opacity: 0.9; max-width: 900px; margin: 0 auto; }
.alzs-wrap { max-width: 1200px; margin: 3rem auto; padding: 0 1.5rem; }
.alzs-grid { display: grid; gap: 2rem; }
.alzs-card { background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); overflow: hidden; display: grid; grid-template-columns: 300px 1fr; gap: 1.5rem; padding: 1.5rem; align-items: center; transition: all 0.3s ease; border: 1px solid var(--light-gray); text-decoration: none; color: inherit; }
.alzs-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.alzs-img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; }
.alzs-body h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: 0.6rem; }
.alzs-location { font-size: 0.85rem; color: var(--secondary); display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.8rem; }
.alzs-desc { font-size: 0.95rem; color: var(--gray); line-height: 1.7; margin-bottom: 1rem; }
.alzs-link { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.6rem 1.4rem; background: var(--primary); color: #fff; border-radius: 24px; font-size: 0.9rem; font-weight: 500; transition: background 0.3s ease; }
.alzs-link:hover { background: #1d4ed8; }
.alzs-contact { background: #e6f7ff; padding: 1.2rem 1.5rem; border-radius: 10px; text-align: center; margin: 3rem 0 2rem; }
.alzs-contact h3 { margin-bottom: 0.5rem; }
.alzs-contact p { margin-bottom: 0.8rem; color: #475569; }
.alzs-contact a { display: inline-block; padding: 0.8rem 2.2rem; background: var(--primary); color: white; border-radius: 30px; font-weight: 600; text-decoration: none; transition: background 0.3s ease; }
.alzs-contact a:hover { background: #1d4ed8; }
.alzs-footer .alzs-footer-container { grid-template-columns: 1.5fr 1fr 1fr; }
@media (max-width: 767px) {
  .alzs-banner h1 { font-size: 1.4rem; }
  .alzs-card { grid-template-columns: 1fr; }
  .alzs-wrap { padding: 0 1rem; }
  .alzs-footer .alzs-footer-container { grid-template-columns: 1fr; }
}

/* ========== 案例详情页 (anli1.html 及同类页面) 独有样式 ========== */
.anli-header { background: white; padding: 1rem; position: fixed; width: 100%; top: 0; left: 0; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.8rem; }
.anli-logo { font-size: 1.4rem; color: var(--primary); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.anli-header-nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.anli-service-link { padding: 0.4rem 0.8rem; background: var(--light); border-radius: 4px; color: var(--dark); text-decoration: none; font-size: 0.9rem; transition: all 0.3s ease; border: 1px solid var(--light-gray); white-space: nowrap; }
.anli-service-link:hover { background: var(--primary); color: white; border-color: var(--primary); }
.anli-banner { background: linear-gradient(135deg, var(--primary) 0%, #2A6DFF 100%); color: white; padding: 120px 1.5rem 40px; text-align: center; }
.anli-banner h1 { font-size: 1.8rem; margin-bottom: 0.8rem; line-height: 1.4; }
.anli-banner p { font-size: 1rem; opacity: 0.9; max-width: 900px; margin: 0 auto; }
.anli-wrap { max-width: 1200px; margin: 3rem auto; padding: 0 1.5rem; }
.anli-card-main { background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); overflow: hidden; }
.anli-big-img { width: 100%; max-height: 450px; object-fit: cover; }
.anli-content { padding: 2rem; }
.anli-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1.5rem; color: var(--gray); font-size: 0.9rem; border-bottom: 1px dashed var(--light-gray); padding-bottom: 1rem; }
.anli-meta span { display: flex; align-items: center; gap: 0.4rem; }
.anli-meta i { color: var(--primary); }
.anli-title-h2 { font-size: 1.5rem; color: var(--dark); margin-bottom: 1.2rem; }
.anli-text p { font-size: 1rem; line-height: 1.8; margin-bottom: 1rem; color: #334155; }
.anli-sub-title { font-size: 1.2rem; color: var(--primary); margin: 2rem 0 1rem; padding-left: 10px; border-left: 4px solid var(--primary); }
.anli-img-group { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.anli-img-group img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; border: 1px solid var(--light-gray); }
.anli-tags { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px dashed var(--light-gray); }
.anli-tag-item { display: inline-block; padding: 0.4rem 0.9rem; background: #f3f4f6; border-radius: 20px; font-size: 0.85rem; color: #4b5563; margin: 0 0.5rem 0.8rem 0; text-decoration: none; transition: all 0.3s ease; }
.anli-tag-item:hover { background: var(--primary); color: white; }
.anli-contact { background: #e6f7ff; padding: 1.2rem 1.5rem; border-radius: 10px; text-align: center; margin: 2rem 0; }
.anli-contact h3 { margin-bottom: 0.5rem; }
.anli-contact p { margin-bottom: 0.8rem; color: #475569; }
.anli-contact a { display: inline-block; padding: 0.8rem 2.2rem; background: var(--primary); color: white; border-radius: 30px; font-weight: 600; text-decoration: none; transition: background 0.3s ease; }
.anli-contact a:hover { background: #1d4ed8; }
.anli-related { margin-top: 3rem; }
.anli-related h3 { font-size: 1.3rem; margin-bottom: 1.5rem; color: var(--dark); }
.anli-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.anli-related-card { background: var(--light); border-radius: 10px; overflow: hidden; text-decoration: none; transition: all 0.3s ease; }
.anli-related-card:hover { transform: translateY(-4px); box-shadow: 0 6px 16px rgba(0,0,0,0.1); }
.anli-related-card img { width: 100%; height: 160px; object-fit: cover; }
.anli-related-card p { padding: 0.8rem; color: var(--dark); font-size: 0.9rem; line-height: 1.5; }
.anli-footer .anli-footer-container { grid-template-columns: 1.5fr 1fr 1fr; }
@media (max-width: 767px) {
  .anli-banner h1 { font-size: 1.4rem; }
  .anli-content { padding: 1.2rem; }
  .anli-footer .anli-footer-container { grid-template-columns: 1fr; }
}

/* ========== 故障代码子页 (guzhang-*) 独有样式（不含已合并部分） ========== */
.guzhang-code-card {
  background: white;
  border-radius: 16px;
  border: 1px solid var(--light-gray);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 20px;
}
.guzhang-code-card-header {
  background: var(--primary);
  color: white;
  padding: 14px 20px;
  font-weight: 700;
  font-size: 1.1rem;
}
.guzhang-code-card-body { padding: 20px; }
.guzhang-code-item { padding: 12px 0; border-bottom: 1px dashed var(--light-gray); }
.guzhang-code-item:last-child { border-bottom: none; }
.guzhang-code-name { font-weight: 700; color: #e11d48; display: inline-block; min-width: 80px; }
.guzhang-code-desc { color: var(--dark); }

/* ========== 所有媒体查询集中管理 ========== */

/* 平板及以下 */
@media (max-width: 992px) {
  .ktjf-service-details, .ktqx-service-details, .ktwx-service-details,
  .guzhang-service-details {
    grid-template-columns: 1fr;
  }
  .ktjf-service-sidebar, .ktqx-service-sidebar, .ktwx-service-sidebar,
  .guzhang-service-sidebar {
    position: static;
  }
  .ktjf-page-title h1, .ktqx-page-title h1, .ktwx-page-title h1,
  .guzhang-page-title h1 {
    font-size: 2rem;
  }
  .ktjf-footer-content, .ktqx-footer-content, .ktwx-footer-content,
  .guzhang-footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 手机端 */
@media (max-width: 768px) {
  .ktjf-header-content, .ktqx-header-content, .ktwx-header-content,
  .guzhang-header-content {
    flex-direction: column;
  }
  .ktjf-cta-section, .ktqx-cta-section, .ktwx-cta-section,
  .guzhang-cta-section {
    padding: 30px 20px;
  }
  .ktjf-footer-content, .ktqx-footer-content, .ktwx-footer-content,
  .guzhang-footer-content {
    grid-template-columns: 1fr;
  }
  .ktjf-main-nav, .ktqx-main-nav, .ktwx-main-nav, .guzhang-main-nav {
    gap: 2px;
  }
  .ktjf-main-nav > a, .ktjf-nav-dropdown > a,
  .ktqx-main-nav > a, .ktqx-nav-dropdown > a,
  .ktwx-main-nav > a, .ktwx-nav-dropdown > a,
  .guzhang-main-nav > a, .guzhang-nav-dropdown > a {
    padding: 8px 10px;
    font-size: 0.78rem;
  }
  .ktjf-dropdown-menu, .ktqx-dropdown-menu, .ktwx-dropdown-menu,
  .guzhang-dropdown-menu {
    left: auto;
    right: 0;
    min-width: 160px;
  }
  /* 加氟独有 */
  .price-cards-jf { grid-template-columns: 1fr; }
  /* 清洗独有 */
  .ktqx-price-model-card { min-width: 100%; max-width: 100%; }
  /* 维修独有 */
  .ktwx-price-cards { grid-template-columns: 1fr; }
}

/* 小手机端 - 首页 */
@media (max-width: 767px) {
  .hero h1 { font-size: 1.8rem; }
  .clean-features { grid-template-columns: 1fr; }
  .trust-points { flex-direction: column; gap: 0.5rem; align-items: center; }
  .hero-contact-extra { gap: 1rem; }
  .wash-price-cards, .price-cards { grid-template-columns: 1fr; }
  .wx-price-card { margin-bottom: 12px; }
  .case-grid { grid-template-columns: 1fr; }
}

/* 平板及以上 - 首页网格 */
@media (min-width: 768px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .area-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 2fr 1fr 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .area-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
}