/* 四姐家政官网 · 移动优先响应式 */
:root {
  --green: #1f7a55;
  --green-dark: #155c3f;
  --green-soft: #eaf4ef;
  --ink: #1f2a24;
  --muted: #5f6b63;
  --line: #e3e9e5;
  --bg: #ffffff;
  --bg-alt: #f6f9f7;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(31, 122, 85, 0.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.7; font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 18px; }
h1, h2, h3 { line-height: 1.35; }
.muted { color: var(--muted); }

/* 顶部导航 */
.header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 18px; }
.logo span { display: flex; flex-direction: column; line-height: 1.15; }
.logo em { font-style: normal; font-size: 12px; color: var(--muted); font-weight: 400; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 8px 12px; border-radius: 8px; color: var(--ink); font-size: 15px; }
.nav a.active, .nav a:hover { background: var(--green-soft); color: var(--green-dark); }

/* Hero */
.hero { background: linear-gradient(160deg, var(--green-soft), #fff 70%); }
.hero-inner { display: grid; gap: 22px; padding: 30px 18px; }
.hero-text h1 { font-size: 24px; margin-bottom: 14px; color: var(--green-dark); }
.hero-text p { color: var(--muted); margin-bottom: 18px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); color: #fff; }
.btn.ghost { border: 1px solid var(--green); color: var(--green); }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); }
.hero-points li::before { content: "•"; color: var(--green); margin-right: 6px; }
.hero-img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 220px; object-fit: cover; }

/* 区块 */
.section { padding: 34px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { display: flex; flex-direction: column; gap: 6px; margin-bottom: 22px; }
.section-head h2 { font-size: 21px; color: var(--green-dark); }
.section-head p { color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: 1fr; }

/* 卡片 */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.service-card h3 { margin: 8px 0; font-size: 17px; }
.service-card p { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.card-tag { font-size: 12px; color: var(--green); }
.link-more { font-size: 14px; font-weight: 600; }
.card-price, .detail-price { color: var(--green-dark); font-weight: 700; font-size: 14px; margin: 6px 0 10px; }
.detail-price { font-size: 15px; }
.foot-note-title { margin-top: 14px; }
.foot-notes li { color: #cfe8da; font-size: 13px; }

/* FAQ */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.faq-item summary { cursor: pointer; font-weight: 600; }
.faq-item p { margin-top: 10px; color: var(--muted); }

/* 新闻 */
.news-card time { font-size: 13px; color: var(--muted); }
.news-card h3 { margin: 6px 0; font-size: 16px; }
.news-card p { color: var(--muted); font-size: 14px; }

/* 内页头 */
.page-head { background: var(--green-soft); padding: 30px 0; }
.page-head h1 { font-size: 23px; color: var(--green-dark); margin-bottom: 8px; }
.page-head p { color: var(--muted); }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 10px; }

/* 服务详情 */
.detail-list { display: grid; gap: 22px; }
.service-detail { border-bottom: 1px solid var(--line); padding-bottom: 22px; }
.service-detail h2 { font-size: 19px; margin-bottom: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.tags span { background: var(--green-soft); color: var(--green-dark); border-radius: 8px; padding: 3px 10px; font-size: 13px; }
.service-detail p { color: var(--muted); margin-bottom: 10px; }
.service-cta { margin-top: 12px; }

/* 图文排版 */
.prose h2 { font-size: 18px; margin: 22px 0 10px; color: var(--green-dark); }
.prose p, .prose li { color: var(--ink); margin-bottom: 10px; }
.prose ul, .prose ol { padding-left: 22px; }
.article-body p { margin-bottom: 14px; }

/* 联系 */
.contact-grid { display: grid; gap: 16px; }
.contact-card h2 { font-size: 18px; margin-bottom: 12px; }
.contact-card ul { list-style: none; }
.contact-card li { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.contact-card li:last-child { border-bottom: none; }

/* 页脚 */
.footer { background: var(--green-dark); color: #e8f2ec; margin-top: 30px; }
.foot-grid { display: grid; gap: 22px; padding: 30px 18px 18px; }
.foot-brand { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.footer h4 { margin-bottom: 10px; color: #fff; }
.footer ul { list-style: none; }
.footer li { padding: 4px 0; font-size: 14px; }
.footer a { color: #cfe8da; }
.foot-bottom { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; font-size: 13px; color: #b9d6c6; border-top: 1px solid rgba(255,255,255,0.15); }

/* 移动端底部呼叫条 */
.mobile-call { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--green); padding: 12px 18px; }
.mobile-call a { display: block; text-align: center; color: #fff; font-weight: 700; }

/* 桌面断点 */
@media (min-width: 768px) {
  body { font-size: 16px; }
  .hero-inner { grid-template-columns: 1.2fr 1fr; align-items: center; padding: 50px 18px; }
  .hero-text h1 { font-size: 32px; }
  .hero-img img { height: 300px; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .foot-bottom { flex-direction: row; justify-content: space-between; }
  .section { padding: 50px 0; }
  .section-head h2 { font-size: 25px; }
  .mobile-call { display: none; }
  .page-head h1 { font-size: 28px; }
}