/* ============================================================
   洛阳市康乐苑老年公寓 · 全站样式
   配色：温暖活力橙  #CC3300 / #FF9900 / #CC0000 / #FFFFCC / #FFFFFF / #330000
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --c-primary: #CC3300;
  --c-accent: #FF9900;
  --c-red: #CC0000;
  --c-cream: #FFFFCC;
  --c-white: #FFFFFF;
  --c-dark: #330000;
  --c-text: #5a3a2e;
  --c-gray: #8a7166;
  --c-line: #f0e2d8;
  --c-bg: #fffaf4;
  --c-shadow: 0 6px 22px rgba(140, 60, 10, .10);
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.75;
  font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s, background .2s; }
a:hover { color: var(--c-accent); }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
h1, h2, h3, h4 { color: var(--c-dark); line-height: 1.4; font-weight: 700; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 11px 30px; border-radius: 4px;
  font-size: 15px; cursor: pointer; border: 1px solid transparent;
  text-align: center; letter-spacing: 1px;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-accent); color: #fff; }
.btn-accent { background: var(--c-accent); color: #3a1a00; }
.btn-accent:hover { background: var(--c-primary); color: #fff; }
.btn-outline { border-color: #fff; color: #fff; background: rgba(0,0,0,.12); }
.btn-outline:hover { background: var(--c-accent); border-color: var(--c-accent); color: #3a1a00; }
.btn-lg { padding: 14px 40px; font-size: 17px; }
.btn-block { display: block; width: 100%; }
.more { color: var(--c-primary); font-size: 14px; font-weight: 600; }
.more::after { content: " ›"; font-size: 16px; }
.more:hover { color: var(--c-accent); }
.center { text-align: center; margin-top: 36px; }

/* ---------- 顶部条 ---------- */
.topbar { background: var(--c-dark); color: #f3dfd2; font-size: 13.5px; }
.topbar-flex { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar-slogan { letter-spacing: 2px; }
.topbar-phone { color: var(--c-accent); font-weight: 600; }
.topbar-phone:hover { color: #fff; }

/* ---------- 头部导航 ---------- */
.mainbar { background: #fff; box-shadow: 0 2px 12px rgba(90, 30, 0, .08); position: relative; z-index: 50; }
.header-flex { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 54px; height: 54px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  color: #fff; font-size: 15px; font-weight: 700; display: grid; place-items: center;
  text-align: center; line-height: 1.15; box-shadow: var(--c-shadow);
}
.brand-text strong { display: block; font-size: 19px; color: var(--c-dark); letter-spacing: 1px; }
.brand-text em { display: block; font-style: normal; font-size: 11.5px; color: var(--c-gray); letter-spacing: .5px; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  display: block; padding: 12px 17px; color: var(--c-dark);
  font-size: 16px; font-weight: 600; border-radius: 4px; position: relative;
}
.site-nav a:hover { color: var(--c-primary); background: #fff6ec; }
.site-nav a.active { color: var(--c-primary); }
.site-nav a.active::after {
  content: ""; position: absolute; left: 17px; right: 17px; bottom: 4px; height: 3px;
  background: var(--c-accent); border-radius: 2px;
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--c-dark); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ---------- 首页轮播 ---------- */
.hero { position: relative; overflow: hidden; background: var(--c-dark); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; }
.hero-slide.active { position: relative; opacity: 1; }
.hero-slide img { width: 100%; height: 560px; object-fit: cover; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(51,0,0,.72), rgba(51,0,0,.28)); }
.hero-inner { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; z-index: 2; }
.hero-inner h1, .hero-inner h2 { color: #fff; font-size: 42px; letter-spacing: 3px; text-shadow: 0 2px 14px rgba(0,0,0,.4); margin: 0; font-weight: 700; line-height: 1.3; }
.hero-inner .h1-sub { font-size: 38px; }
.hero-inner p { color: #ffe9d2; font-size: 19px; margin: 18px 0 32px; letter-spacing: 2px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 24px; left: 0; right: 0; z-index: 3; display: flex; justify-content: center; gap: 10px; }
.hero-dots button { width: 26px; height: 4px; border: 0; border-radius: 2px; background: rgba(255,255,255,.45); cursor: pointer; padding: 0; }
.hero-dots button.on { background: var(--c-accent); }

/* ---------- 数据条 ---------- */
.stats-bar { background: linear-gradient(135deg, var(--c-primary), #e04a18); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; padding: 30px 0; }
.stat strong { display: block; color: #fff; font-size: 30px; font-weight: 700; }
.stat span { color: #ffe6d2; font-size: 14.5px; }
.stat + .stat { border-left: 1px solid rgba(255,255,255,.25); }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-alt { background: var(--c-bg); }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head h2 { font-size: 30px; position: relative; display: inline-block; padding-bottom: 16px; letter-spacing: 2px; }
.section-head h2::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; width: 56px; height: 4px; border-radius: 2px; background: var(--c-accent); }
.section-head p { color: var(--c-gray); margin-top: 14px; font-size: 15.5px; }
.section-head.left { text-align: left; }
.section-head.left h2 { padding-left: 16px; }
.section-head.left h2::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 18px; width: 5px; background: var(--c-primary); border-radius: 3px; }
.section-head.left h2::after { left: 16px; transform: none; }

/* ---------- 关于简介条 ---------- */
.about-strip-flex { display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: center; }
.about-strip-img img { border-radius: 8px; box-shadow: var(--c-shadow); width: 100%; height: 380px; object-fit: cover; }
.about-strip-txt h2 { font-size: 28px; margin-bottom: 18px; }
.about-strip-txt p { margin-bottom: 14px; }
.about-strip-txt .btn { margin-top: 12px; }

/* ---------- 服务特色 4 栏 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature {
  background: #fff; border-radius: 8px; padding: 34px 22px; text-align: center;
  border: 1px solid var(--c-line); transition: .3s;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--c-shadow); border-color: var(--c-accent); }
.feature-ico {
  width: 66px; height: 66px; margin: 0 auto 16px; border-radius: 50%;
  background: #fff2e0; color: var(--c-primary); display: grid; place-items: center;
}
.feature-ico svg { width: 34px; height: 34px; fill: currentColor; }
.feature h3 { font-size: 18px; margin-bottom: 10px; }
.feature p { font-size: 14px; color: var(--c-gray); }

/* ---------- 卡片栅格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 8px; overflow: hidden;
  transition: .3s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--c-shadow); border-color: var(--c-accent); }
.card-img { display: block; overflow: hidden; }
.card-img img { width: 100%; height: 220px; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.card-title { font-size: 18px; margin-bottom: 10px; }
.card-title a { color: var(--c-dark); }
.card-title a:hover { color: var(--c-primary); }
.card-body p { font-size: 14px; color: var(--c-gray); flex: 1; margin-bottom: 14px; }
.card .more { align-self: flex-start; }

/* ---------- 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { text-align: center; background: #fff; border: 1px solid var(--c-line); border-radius: 8px; padding: 30px 16px; position: relative; }
.step strong {
  display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary)); color: #fff;
  font-size: 20px; margin-bottom: 14px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--c-gray); }

/* ---------- 环境展示 ---------- */
.env-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.env-item { position: relative; border-radius: 8px; overflow: hidden; display: block; }
.env-item img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s; }
.env-item:hover img { transform: scale(1.08); }
.env-item span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px;
  color: #fff; font-size: 14px; background: linear-gradient(transparent, rgba(51,0,0,.78));
}

/* ---------- 首页两栏 ---------- */
.home-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
.home-col > h2 { font-size: 24px; margin-bottom: 20px; padding-left: 14px; border-left: 5px solid var(--c-primary); }
.teaser { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--c-line); }
.teaser-no { font-size: 26px; font-weight: 700; color: var(--c-accent); flex: none; width: 42px; }
.teaser h3 { font-size: 16.5px; margin-bottom: 6px; }
.teaser h3 a { color: var(--c-dark); }
.teaser h3 a:hover { color: var(--c-primary); }
.teaser p { font-size: 13.5px; color: var(--c-gray); }
.news-mini li { padding: 13px 0; border-bottom: 1px dashed var(--c-line); display: flex; gap: 14px; align-items: baseline; }
.news-date { color: var(--c-primary); font-size: 13.5px; flex: none; font-weight: 600; }
.news-mini a { color: var(--c-dark); font-size: 15px; }
.news-mini a:hover { color: var(--c-primary); }
.home-col .more { margin-top: 18px; display: inline-block; }

/* ---------- CTA ---------- */
.cta-strip { background: linear-gradient(135deg, var(--c-primary), #d94a13); }
.cta-flex { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-flex h2 { color: #fff; font-size: 27px; }
.cta-flex p { color: #ffe6d2; margin-top: 6px; }
.cta-flex .btn-accent { white-space: nowrap; }

/* ---------- 内页横幅 ---------- */
.page-banner {
  background: linear-gradient(rgba(51,0,0,.66), rgba(51,0,0,.66)),
              url("../images/banner/hero-1.jpg") center/cover;
  padding: 62px 0; text-align: center;
}
.page-banner-title { color: #fff; font-size: 32px; letter-spacing: 3px; }
.breadcrumb { margin-top: 12px; font-size: 14px; color: #f2d8c6; }
.breadcrumb a { color: #ffd9b8; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb span { margin: 0 8px; }
.breadcrumb em { font-style: normal; color: #fff; }

/* ---------- 列表+侧边栏布局 ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 34px; align-items: start; }
.sidebar { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 22px; }
.side-box { background: #fff; border: 1px solid var(--c-line); border-radius: 8px; overflow: hidden; }
.side-title { background: var(--c-primary); color: #fff; font-size: 17px; padding: 13px 18px; }
.side-list li { border-bottom: 1px solid var(--c-line); }
.side-list li:last-child { border-bottom: 0; }
.side-list a { display: block; padding: 12px 18px; color: var(--c-text); font-size: 14.5px; }
.side-list a::before { content: "·"; color: var(--c-accent); font-weight: 700; margin-right: 8px; font-size: 18px; }
.side-list a:hover { background: #fff6ec; color: var(--c-primary); padding-left: 22px; }
.side-contact { padding: 18px; }
.side-contact .side-title { margin: -18px -18px 14px; border-radius: 0; }
.side-contact p { font-size: 14px; margin-bottom: 10px; }
.side-contact .btn { margin-top: 8px; }

/* ---------- 新闻列表 ---------- */
.news-item { display: flex; gap: 22px; background: #fff; border: 1px solid var(--c-line); border-radius: 8px; padding: 18px; margin-bottom: 22px; transition: .3s; }
.news-item:hover { box-shadow: var(--c-shadow); border-color: var(--c-accent); }
.news-thumb { flex: none; width: 240px; }
.news-thumb img { width: 240px; height: 160px; object-fit: cover; border-radius: 6px; }
.news-txt { flex: 1; }
.news-meta { font-size: 13px; color: var(--c-gray); margin-bottom: 8px; display: flex; gap: 16px; flex-wrap: wrap; }
.news-meta time { color: var(--c-primary); font-weight: 600; }
.news-txt h3 { font-size: 19px; margin-bottom: 10px; }
.news-txt h3 a { color: var(--c-dark); }
.news-txt h3 a:hover { color: var(--c-primary); }
.news-txt p { font-size: 14px; color: var(--c-gray); margin-bottom: 10px; }

/* ---------- 详情页 ---------- */
.detail-main { background: #fff; border: 1px solid var(--c-line); border-radius: 8px; padding: 30px 34px; }
.detail-img { margin-bottom: 24px; }
.detail-img img { width: 100%; border-radius: 6px; max-height: 440px; object-fit: cover; }
.detail-body h2 { font-size: 22px; margin: 30px 0 14px; padding-left: 14px; border-left: 5px solid var(--c-accent); }
.detail-body h3 { font-size: 18px; margin: 22px 0 10px; color: var(--c-primary); }
.detail-body p { margin-bottom: 14px; }
.detail-body ul { margin: 0 0 14px 8px; }
.detail-body ul li { padding-left: 18px; position: relative; margin-bottom: 8px; }
.detail-body ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--c-accent); }
.detail-body strong { color: var(--c-dark); }
.detail-body img { border-radius: 6px; margin: 16px 0; }
.pager { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--c-line); font-size: 14px; }
.pager a { color: var(--c-text); }
.pager a:hover { color: var(--c-primary); }
.related { margin-top: 24px; }
.related .side-list a { padding: 10px 4px; }
.related .side-list a::before { display: none; }
.related .side-list a::after { content: ""; }
.related .side-list a:hover { padding-left: 4px; }
.related .side-list li { border-bottom: 1px dashed var(--c-line); }
.related .side-list li::before { content: "·"; color: var(--c-accent); font-weight: 700; margin-right: 8px; font-size: 18px; }

/* ---------- 表格/文化/历程 ---------- */
.table-info { width: 100%; border-collapse: collapse; margin: 12px 0 8px; }
.table-info th, .table-info td { border: 1px solid var(--c-line); padding: 12px 16px; text-align: left; font-size: 14.5px; }
.table-info th { width: 150px; background: var(--c-bg); color: var(--c-dark); white-space: nowrap; }
.culture-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 16px 0; }
.culture-card { background: var(--c-bg); border-left: 4px solid var(--c-accent); border-radius: 6px; padding: 20px 22px; }
.culture-card h3 { color: var(--c-primary); font-size: 17px; margin-bottom: 8px; }
.timeline { border-left: 3px solid var(--c-accent); margin: 18px 0 8px 12px; }
.timeline li { position: relative; padding: 0 0 24px 26px; }
.timeline li::before { content: ""; position: absolute; left: -32px; top: 4px; width: 15px; height: 15px; border-radius: 50%; background: var(--c-primary); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--c-accent); }
.timeline strong { display: block; color: var(--c-primary); font-size: 16px; margin-bottom: 4px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 16px 0; }
.info-card { background: var(--c-bg); border-radius: 8px; padding: 24px; border: 1px solid var(--c-line); }
.info-card h3 { color: var(--c-primary); font-size: 17px; margin-bottom: 10px; }
.info-card p.tip { font-size: 13.5px; color: var(--c-gray); margin-top: 8px; }
.contact-form { background: var(--c-bg); border-radius: 8px; padding: 26px; margin: 14px 0; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 600; color: var(--c-dark); margin-bottom: 7px; }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid #e3cdbd; border-radius: 5px;
  font-size: 15px; font-family: inherit; background: #fff; color: var(--c-text);
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(255,153,0,.18); }
.form-tip { margin-top: 12px; font-size: 14px; color: var(--c-primary); }
.map-box { margin-top: 14px; border-radius: 8px; overflow: hidden; border: 1px solid var(--c-line); }
.map-box img { width: 100%; height: 300px; object-fit: cover; }

/* ---------- 荣誉墙 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.honor-card { background: #fff; border: 1px solid var(--c-line); border-radius: 8px; overflow: hidden; text-align: center; transition: .3s; }
.honor-card:hover { transform: translateY(-5px); box-shadow: var(--c-shadow); }
.honor-card img { width: 100%; height: 190px; object-fit: cover; }
.honor-card p { padding: 12px 10px; font-size: 14px; color: var(--c-dark); font-weight: 600; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-dark); color: #d9c0b2; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr; gap: 34px; padding: 54px 0 40px; }
.footer-col h3 { color: var(--c-accent); font-size: 17px; margin-bottom: 16px; }
.footer-col p { font-size: 14px; line-height: 1.9; }
.footer-links li { margin-bottom: 9px; font-size: 14px; }
.footer-links a { color: #d9c0b2; }
.footer-links a:hover { color: var(--c-accent); }
.footer-contact li { margin-bottom: 10px; font-size: 14px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; }
.copyright .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13.5px; }
.copyright a { color: #d9c0b2; }
.copyright a:hover { color: var(--c-accent); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 22px; bottom: 26px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--c-primary); color: #fff; border: 0; cursor: pointer; font-size: 15px;
  box-shadow: var(--c-shadow); opacity: 0; visibility: hidden; transition: .3s; z-index: 60;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--c-accent); color: #3a1a00; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero-slide img { height: 440px; }
  .hero-inner h1, .hero-inner h2 { font-size: 32px; }
  .hero-inner .h1-sub { font-size: 29px; }
  .feature-grid, .env-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  body { font-size: 14.5px; }
  .topbar-slogan { display: none; }
  .header-flex { flex-wrap: wrap; min-height: 64px; }
  .brand-text strong { font-size: 16px; }
  .brand-mark { width: 44px; height: 44px; font-size: 13px; }
  .nav-toggle { display: block; }
  .site-nav { flex-basis: 100%; display: none; padding-bottom: 12px; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { padding: 13px 8px; border-bottom: 1px solid var(--c-line); border-radius: 0; }
  .site-nav a.active::after { display: none; }
  .hero-slide img { height: 360px; }
  .hero-inner h1, .hero-inner .h1-sub { font-size: 25px; letter-spacing: 1px; }
  .hero-inner p { font-size: 15px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .stat:nth-child(3) { border-left: 0; }
  .section { padding: 44px 0; }
  .section-head h2 { font-size: 24px; }
  .about-strip-flex, .home-cols { grid-template-columns: 1fr; gap: 28px; }
  .about-strip-img img { height: 260px; }
  .grid-3, .grid-2, .feature-grid, .env-grid, .honor-grid, .culture-grid, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .news-item { flex-direction: column; }
  .news-thumb, .news-thumb img { width: 100%; height: 200px; }
  .cta-flex { flex-direction: column; text-align: center; }
  .detail-main { padding: 22px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 38px 0 28px; }
  .pager { flex-direction: column; }
}
@media (max-width: 420px) {
  .steps { grid-template-columns: 1fr; }
  .hero-btns .btn { width: 100%; }
}