/* 修达达公众站样式 — 全新原创设计（深蓝 + 琥珀，工具服务感）
   响应式 + 触摸/鼠标/键盘三态交互兼容 */
:root {
  --hf-primary: #16457c;
  --hf-primary-dark: #0d2f57;
  --hf-accent: #f59e0b;
  --hf-accent-dark: #e78a06;
  --hf-bg: #f5f7fa;
  --hf-card: #ffffff;
  --hf-text: #1f2937;
  --hf-muted: #6b7280;
  --hf-line: #e5e7eb;
  --hf-radius: 10px;
  --hf-tap: rgba(22,69,124,.10);   /* 触摸高亮（品牌色淡） */
  --hf-focus: #2f6fb5;             /* 键盘焦点环 */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif; color: var(--hf-text); background: var(--hf-bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: var(--hf-tap); }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--hf-focus); outline-offset: 2px; border-radius: 4px; }

.hf-wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.hf-muted { color: var(--hf-muted); font-size: 14px; }

/* Header
 * Logo 尺寸参数位置（响应式）：
 *   .hf-logo-img  height —— 桌面 32px；@media(max-width:768px) 内 28px
 *   width 自动按高度等比（图片本身 72×72 源文件，放大 2x 做高分屏显示）
 */
.hf-header { background: var(--hf-primary); color: #fff; }
.hf-header-in { display: flex; align-items: center; gap: 28px; height: 60px; }
.hf-logo { font-size: 20px; font-weight: 700; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.hf-logo-img { height: 32px; width: auto; max-width: 160px; object-fit: contain; display: block; border-radius: 6px; background: #fff; padding: 2px; }
.hf-logo span { font-size: 13px; font-weight: 400; opacity: .85; margin-left: 6px; }
.hf-nav { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.hf-nav a { opacity: .9; padding: 0 10px; min-height: 44px; display: inline-flex; align-items: center; border-bottom: 2px solid transparent; transition: opacity .15s, border-color .15s, background .15s; }
.hf-nav a:hover { opacity: 1; border-bottom-color: var(--hf-accent); }
.hf-nav a:active { opacity: 1; border-bottom-color: var(--hf-accent); background: rgba(255,255,255,.08); }
.hf-hotline { font-size: 14px; background: rgba(255,255,255,.12); padding: 8px 14px; border-radius: 20px; white-space: nowrap; }
.hf-login-link { background: var(--hf-accent); color: #fff !important; padding: 0 18px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 22px; font-weight: 600; margin-left: 4px; transition: background .15s, transform .15s; }
.hf-login-link:hover { background: var(--hf-accent-dark); }
.hf-login-link:active { background: var(--hf-accent-dark); transform: scale(.97); }

/* Hero */
.hf-hero { background: linear-gradient(135deg, var(--hf-primary) 0%, var(--hf-primary-dark) 100%); color: #fff; padding: 56px 0; text-align: center; }
.hf-hero h1 { font-size: 34px; letter-spacing: 1px; line-height: 1.25; }
.hf-hero-sub { margin: 12px 0 24px; opacity: .85; font-size: 16px; }
.hf-btn-primary { display: inline-flex; align-items: center; justify-content: center; background: var(--hf-accent); color: #fff; padding: 0 34px; min-height: 46px; border-radius: 24px; font-weight: 600; font-size: 16px; transition: transform .15s, background .15s; cursor: pointer; }
.hf-btn-primary:hover { transform: translateY(-2px); background: var(--hf-accent-dark); }
.hf-btn-primary:active { transform: translateY(0) scale(.98); background: var(--hf-accent-dark); }

/* Sections & cards */
.hf-main { min-height: 60vh; }
.hf-section { margin: 36px auto; }
.hf-section-sm { margin: 18px 0; }
.hf-h1 { font-size: 26px; margin: 10px 0 16px; }
.hf-h2 { font-size: 20px; margin-bottom: 16px; border-left: 4px solid var(--hf-accent); padding-left: 10px; }
.hf-more { float: right; font-size: 14px; color: var(--hf-primary); font-weight: 400; }
.hf-grid { display: grid; gap: 16px; }
.hf-grid-3 { grid-template-columns: repeat(3, 1fr); }
.hf-grid-4 { grid-template-columns: repeat(4, 1fr); }
.hf-card { background: var(--hf-card); border: 1px solid var(--hf-line); border-radius: var(--hf-radius); padding: 18px; display: block; transition: box-shadow .15s, transform .15s, border-color .15s; }
.hf-card:hover { box-shadow: 0 6px 18px rgba(22,69,124,.10); border-color: #cdd9e8; }
.hf-card:active { transform: scale(.99); box-shadow: 0 3px 10px rgba(22,69,124,.12); }
.hf-cate-name { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
/* 热门服务卡片：紧凑化重构 —— 标题可点进详情，底部「价格 + 立即预约」一行布局 */
.hf-svc { padding: 16px; }
.hf-svc-link { display: block; color: inherit; text-decoration: none; }
.hf-svc-link:hover h3 { color: var(--hf-primary); }
.hf-svc h3 { font-size: 15px; font-weight: 600; margin-bottom: 5px; }
.hf-svc p { font-size: 13px; line-height: 1.5; color: var(--hf-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hf-svc-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }
.hf-svc-foot .hf-price { color: #d97706; font-weight: 700; font-size: 15px; margin-top: 0; }

/* 封面图：卡片/详情/文章统一响应式呈现，避免破坏既有布局 */
.hf-svc-cover { display: block; width: 100%; height: 150px; object-fit: cover; border-radius: var(--hf-radius); margin-bottom: 12px; background: #f1f5fb; }
.hf-detail-cover { margin: 0 0 20px; }
.hf-detail-cover img { display: block; width: 100%; max-width: 480px; height: auto; border-radius: var(--hf-radius); background: #f1f5fb; }
.hf-article-cover { margin: 0 0 18px; }
.hf-article-cover img,
.hf-article-cards .hf-article-cover img { display: block; width: 100%; max-height: 220px; object-fit: cover; border-radius: var(--hf-radius); background: #f1f5fb; }
@media (max-width: 768px) {
  .hf-svc-cover { height: 130px; }
  .hf-detail-cover img { max-width: 100%; }
}
/* 紧凑型 CTA：尺寸/字重缩小、自适应宽度，与价格并排更协调（沿用品牌主色，与全站一致） */
.hf-svc-book { display: inline-flex; width: auto; margin-top: 0; min-height: 36px; padding: 0 16px; font-size: 14px; border-radius: 18px; font-weight: 600; white-space: nowrap; }
.hf-price-lg { font-size: 24px; margin: 12px 0; }

/* Tags & lists */
.hf-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hf-tag { background: var(--hf-card); border: 1px solid var(--hf-line); padding: 0 16px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 22px; font-size: 14px; transition: border-color .15s, color .15s, background .15s; }
.hf-tag:hover, .hf-tag:focus-visible, .hf-tag-on { border-color: var(--hf-primary); color: var(--hf-primary); }
.hf-tag:active { background: #eef4fb; }
.hf-article-list li { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--hf-line); }
.hf-article-list a { font-size: 15px; }
.hf-article-list a:hover, .hf-article-list a:focus-visible { color: var(--hf-primary); }
.hf-article-list a:active { opacity: .7; }
.hf-article-cards { list-style: none; display: grid; gap: 14px; }
.hf-article-title { font-size: 17px; font-weight: 600; }
.hf-article-title:hover, .hf-article-title:focus-visible { color: var(--hf-primary); }
.hf-article-meta { margin-top: 6px; font-size: 13px; }

/* Detail & rich text */
.hf-crumb { font-size: 13px; color: var(--hf-muted); margin: 18px 0 6px; }
.hf-crumb a:hover, .hf-crumb a:focus-visible { color: var(--hf-primary); }
.hf-detail-head { background: var(--hf-card); border: 1px solid var(--hf-line); border-radius: var(--hf-radius); padding: 24px; margin-bottom: 24px; }
.hf-rich { background: var(--hf-card); border: 1px solid var(--hf-line); border-radius: var(--hf-radius); padding: 24px; }
.hf-rich p { margin: 10px 0; }
.hf-rich h2, .hf-rich h3 { margin: 16px 0 8px; }
.hf-hotline-line { margin: 8px 0 16px; }

/* Comments */
.hf-comment-list { list-style: none; display: grid; gap: 12px; }
.hf-comment-head { display: flex; justify-content: space-between; margin-bottom: 6px; }
.hf-star { color: var(--hf-accent); font-weight: 600; }

/* Pager */
.hf-pager { display: flex; justify-content: center; gap: 18px; margin: 28px 0; align-items: center; flex-wrap: wrap; }
.hf-pager a { background: var(--hf-card); border: 1px solid var(--hf-line); padding: 10px 18px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 6px; transition: border-color .15s, color .15s, background .15s; }
.hf-pager a:hover, .hf-pager a:focus-visible { border-color: var(--hf-primary); color: var(--hf-primary); }
.hf-pager a:active { background: #eef4fb; }

/* Banner */
.hf-banner-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.hf-banner { display: block; border-radius: var(--hf-radius); overflow: hidden; }
.hf-banner img { border-radius: var(--hf-radius); transition: transform .2s; }
.hf-banner:hover img { transform: scale(1.03); }

/* Steps */
.hf-steps b { display: block; margin-bottom: 6px; color: var(--hf-primary); }

/* Footer */
.hf-footer { background: var(--hf-primary-dark); color: rgba(255,255,255,.85); padding: 28px 0; margin-top: 48px; text-align: center; }
.hf-footer .hf-muted { color: rgba(255,255,255,.5); }
.hf-footer a:hover, .hf-footer a:focus-visible { color: #fff; }

/* ===================== 响应式断点排版适配 ===================== */
/* 桌面默认（>1024px）：网格 4/3 列、Hero 34px（见上方基础定义） */

/* 平板：≤1024px */
@media (max-width: 1024px) {
  .hf-wrap { padding: 0 20px; }
  .hf-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .hf-hero { padding: 48px 0; }
  .hf-hero h1 { font-size: 30px; }
  .hf-hero-sub { font-size: 15px; }
}

/* 手机/小平板：≤768px */
@media (max-width: 768px) {
  .hf-header-in { flex-wrap: wrap; height: auto; padding: 8px 0; gap: 10px; }
  .hf-logo { font-size: 18px; }
  .hf-logo-img { height: 28px; }   /* 移动端 Logo 高度参数（见 .hf-logo-img 注释） */
  .hf-nav { width: 100%; order: 3; gap: 4px; }
  .hf-nav a { flex: 1 1 auto; justify-content: center; font-size: 14px; }
  .hf-hotline { display: none; }
  .hf-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hf-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hf-hero { padding: 40px 0; }
  .hf-hero h1 { font-size: 26px; }
  .hf-h2 { font-size: 18px; }
  .hf-section { margin: 28px auto; }
  /* 分类页：≤768 折叠为移动端双行横滑条 */
  .hf-cate-body { flex-direction: column; gap: 0; }
  .hf-cat-side { display: none; }
  .hf-cat-mobile { display: block; }
}

/* 小手机：≤480px */
@media (max-width: 480px) {
  .hf-wrap { padding: 0 14px; }
  .hf-grid-3 { grid-template-columns: 1fr; }
  .hf-hero { padding: 32px 0; }
  .hf-hero h1 { font-size: 23px; letter-spacing: .5px; }
  .hf-hero-sub { font-size: 14px; margin: 10px 0 20px; }
  .hf-hero .hf-btn-primary { width: 100%; max-width: 320px; }
  .hf-card { padding: 16px; }
  .hf-article-list li { flex-wrap: wrap; }
  .hf-article-list .hf-muted { width: 100%; }
  .hf-h2 { font-size: 17px; }
}

/* ===================== 无障碍：尊重减少动效偏好 ===================== */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .hf-btn-primary:hover, .hf-card:hover, .hf-banner:hover img { transform: none; }
}

/* ===== 服务详情页：立即预约维修入口 ===== */
/* 顶部 CTA：在头部价格区下方，醒目琥珀按钮 */
.hf-book-cta { margin-top: 18px; font-size: 16px; padding: 13px 40px; }

/* 底部固定预约栏：始终吸底，桌面/移动均易触达 */
.hf-book-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: #fff; border-top: 1px solid var(--hf-line);
  box-shadow: 0 -4px 18px rgba(0,0,0,.10);
  display: flex; align-items: center; justify-content: center; gap: 14px;
  padding: 10px 16px;
}
.hf-book-bar .hf-bb-price { font-size: 14px; color: var(--hf-muted); white-space: nowrap; }
.hf-book-bar .hf-bb-price b { color: #d97706; font-size: 18px; font-weight: 700; }
.hf-book-bar .hf-btn-primary { flex: 1; max-width: 460px; text-align: center; font-size: 17px; padding: 14px 0; }
.hf-book-bar .hf-btn-primary:active { transform: scale(.99); }

/* 占位：避免固定栏遮挡页脚 */
.hf-book-spacer { height: 76px; }

@media (max-width: 768px) {
  .hf-book-bar { padding: 8px 12px; gap: 10px; }
  .hf-book-bar .hf-btn-primary { max-width: none; font-size: 16px; padding: 13px 0; }
  .hf-book-spacer { height: 70px; }
}

/* ===== 画线价（原价/划线价，显示在真实价右侧） ===== */
.hf-line-price {
  text-decoration: line-through;
  color: var(--hf-muted);
  font-size: 13px;
  font-weight: 400;
  margin-left: 6px;
}

/* ===== 二级分类导航标签 ===== */
.hf-subnav { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 4px; }
.hf-subnav a {
  display: inline-block; padding: 6px 15px; border-radius: 999px;
  background: #f4f6f8; color: var(--hf-text); text-decoration: none; font-size: 14px;
  transition: background .15s ease, color .15s ease;
}
.hf-subnav a:hover { background: #eef2ff; color: var(--hf-focus); }
.hf-subnav a.is-active { background: var(--hf-primary); color: #fff; }
.hf-subnav .hf-subnav-all { background: #eef2ff; color: var(--hf-focus); }

/* ===== 分类树侧边栏（桌面）+ 移动端双行横滑分级条 ===== */
.hf-cate-body { display: flex; gap: 24px; align-items: flex-start; }
.hf-cat-side { flex: 0 0 220px; width: 220px; position: sticky; top: 16px; }
.hf-cat-tree { background: var(--hf-card); border: 1px solid var(--hf-line); border-radius: var(--hf-radius); padding: 8px; }
.hf-cat-node { padding: 2px 0; }
.hf-cat-node + .hf-cat-node { border-top: 1px solid var(--hf-line); }
.hf-cat-top { display: block; padding: 10px 14px; border-radius: 8px; font-size: 15px; font-weight: 600; color: var(--hf-text); transition: background .15s ease, color .15s ease; }
.hf-cat-top:hover { background: #eef4fb; color: var(--hf-primary); }
.hf-cat-top.is-current { background: var(--hf-primary); color: #fff; }
.hf-cat-children { padding: 2px 0 6px 10px; display: flex; flex-direction: column; gap: 2px; }
.hf-cat-sub { display: block; padding: 7px 14px; border-radius: 8px; font-size: 14px; color: var(--hf-muted); border-left: 2px solid var(--hf-line); margin-left: 10px; transition: background .15s ease, color .15s ease, border-color .15s ease; }
.hf-cat-sub:hover { color: var(--hf-primary); border-left-color: var(--hf-accent); background: #f8fafc; }
.hf-cat-sub.is-current { color: var(--hf-primary); font-weight: 600; background: #fff7e9; border-left-color: var(--hf-accent); }
.hf-cate-main { flex: 1 1 auto; min-width: 0; }

/* 移动端分级条：默认隐藏，≤768px 显示 */
.hf-cat-mobile { display: none; margin: 12px 0 4px; }
.hf-cat-scroll { display: flex; gap: 8px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 4px 0 8px; scrollbar-width: thin; }
.hf-cat-scroll::-webkit-scrollbar { height: 4px; }
.hf-cat-scroll::-webkit-scrollbar-thumb { background: var(--hf-line); border-radius: 2px; }
.hf-cat-scroll-sub { margin-top: 2px; }
.hf-cat-chip { flex: 0 0 auto; padding: 8px 16px; border-radius: 999px; background: #f4f6f8; color: var(--hf-text); font-size: 14px; white-space: nowrap; border: 1px solid transparent; transition: background .15s ease, color .15s ease, border-color .15s ease; }
.hf-cat-chip:hover { background: #eef2ff; color: var(--hf-focus); }
.hf-cat-chip.is-active { background: var(--hf-primary); color: #fff; }

/* ===== 城市互联区块（GEO 内部链接） ===== */
.hf-geo-cities { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--hf-line); }
.hf-geo-cities .hf-h2 { margin-bottom: 4px; }
.hf-geo-cities .hf-tags { margin-top: 12px; }
.hf-geo-note { font-size: 13px; color: var(--hf-muted); margin-top: 10px; }