/* ============================================
   124-骨康骨科医院 ｜ X光片灯箱风
   配色：#12335c 深蓝 + #0b2140 深底 + #c9d4e3 银
   ============================================ */
:root {
  --deep: #12335c;
  --deep2: #0b2140;
  --silver: #c9d4e3;
  --bg: #f5f8fc;
  --white: #ffffff;
  --text: #1d3350;
  --text-light: #6b7f99;
  --line: #dbe4f0;
  --shadow: 0 6px 22px rgba(18, 51, 92, 0.14);
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部 ===== */
.topbar { background: var(--deep); color: var(--silver); font-size: 13px; padding: 8px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: var(--silver); margin-left: 16px; }
.topbar a:hover { color: #fff; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 3px 16px rgba(18, 51, 92, 0.15);
  border-bottom: 3px solid var(--deep);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo .bone {
  width: 48px; height: 48px;
  background: var(--deep);
  color: var(--silver);
  font-size: 20px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 2px var(--silver);
}
.logo h1 { font-size: 22px; color: var(--deep); }
.logo small { display: block; font-size: 12px; color: var(--text-light); font-weight: normal; }
.nav { display: flex; gap: 6px; }
.nav a {
  display: inline-block;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border: 2px solid transparent;
  border-radius: 4px;
  transition: all 0.3s;
}
.nav a:hover { color: var(--deep); border-color: var(--deep); }
.nav a.active { background: var(--deep); color: #fff; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 2px solid var(--deep);
  border-radius: 6px;
  background: #fff;
  color: var(--deep);
  font-size: 20px;
  cursor: pointer;
}

/* ===== Hero - X光片风格 ===== */
.hero {
  position: relative;
  z-index: 1;
  background: radial-gradient(ellipse at 30% 20%, #1b4a86 0%, var(--deep) 45%, var(--deep2) 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(201, 212, 227, 0.35) 1px, transparent 0);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; padding: 80px 0; position: relative; z-index: 1; }
.hero-text h2 {
  font-size: 44px;
  line-height: 1.3;
  margin-bottom: 10px;
}
.hero-text h2 span { color: var(--silver); text-shadow: 0 0 18px rgba(201,212,227,0.6); }
.hero-text p { color: var(--silver); font-size: 17px; margin: 16px 0 28px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid var(--silver);
  cursor: pointer;
  transition: all 0.3s;
}
.btn-light { background: var(--silver); color: var(--deep); }
.btn-light:hover { background: #fff; border-color: #fff; }
.btn-ghost { color: var(--silver); }
.btn-ghost:hover { background: var(--silver); color: var(--deep); }
.hero-xray {
  position: relative;
  border: 3px solid rgba(201, 212, 227, 0.7);
  border-radius: 10px;
  padding: 20px;
  background: rgba(9, 26, 50, 0.75);
  box-shadow: 0 0 40px rgba(120, 160, 210, 0.25), inset 0 0 30px rgba(120,160,210,0.15);
}
.hero-xray img { width: 100%; height: 380px; object-fit: cover; border-radius: 6px; filter: grayscale(0.9) contrast(1.2) brightness(1.1); }
.hero-xray .film-bar {
  position: absolute;
  top: 8px; left: 8px;
  background: rgba(255,255,255,0.85);
  color: var(--deep);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 1px;
}
.xray-frame {
  position: absolute;
  bottom: -24px; left: 50%;
  transform: translateX(-50%);
  width: 120px; height: 60px;
  border-radius: 50%;
  border: 4px solid var(--silver);
  opacity: 0.8;
  pointer-events: none;
}

/* ===== 骨关节装饰 ===== */
.joint {
  width: 140px; height: 140px;
  border-radius: 50%;
  position: relative;
}
.joint::before {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 50%;
}
.joint.j1::before { border: 3px dashed rgba(201,212,227,0.8); }
.joint.j2::before { border: 3px solid rgba(201,212,227,0.5); inset: 34px; }

/* ===== 通用板块 ===== */
.section { position: relative; z-index: 1; padding: 90px 0; }
.section-dark {
  background: linear-gradient(180deg, var(--deep), var(--deep2));
  color: #fff;
}
.section-head { text-align: center; margin-bottom: 50px; }
.section-head .joint-ico {
  width: 44px; height: 44px;
  border: 3px solid var(--deep);
  border-radius: 50%;
  margin: 0 auto 14px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.section-head .joint-ico::after {
  content: "";
  width: 14px; height: 14px;
  background: var(--deep);
  border-radius: 50%;
}
.section-head h2 { font-size: 34px; color: var(--deep); }
.section-head.dark-head h2 { color: #fff; }
.section-head.dark-head p { color: var(--silver); }
.section-head p { color: var(--text-light); margin-top: 8px; }

/* ===== 骨科专长 ===== */
.expert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.expert-img { border-radius: 10px; overflow: hidden; border: 3px solid var(--line); box-shadow: var(--shadow); }
.expert-img img { height: 400px; width: 100%; object-fit: cover; }
.expert-text h3 { font-size: 28px; color: var(--deep); margin-bottom: 16px; }
.expert-text p { color: var(--text-light); margin-bottom: 14px; }
.expert-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.expert-feats li {
  background: #fff;
  border-radius: 6px;
  padding: 16px;
  font-size: 14px;
  border-left: 4px solid var(--deep);
  box-shadow: 0 4px 14px rgba(18, 51, 92, 0.08);
}
.expert-feats li b { color: var(--deep); }

/* ===== 科室 - X光胶片样式 ===== */
.film-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.film {
  background: linear-gradient(135deg, #ffffff 0%, #eef3fa 100%);
  border: 1px solid #aab8cc;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  transition: all 0.35s;
  box-shadow: 0 4px 16px rgba(18, 51, 92, 0.1);
  display: flex;
  flex-direction: column;
}
.film::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: var(--deep);
}
.film::after {
  content: "";
  position: absolute;
  top: 6px; right: 0; left: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--deep) 0 8px, transparent 8px 16px);
}
.film:hover { transform: translateY(-8px); box-shadow: 0 14px 30px rgba(18, 51, 92, 0.22); }
.film-body { padding: 22px 18px 18px; }
.film-body .no {
  font-size: 11px;
  color: var(--silver);
  background: var(--deep);
  display: inline-block;
  padding: 2px 10px;
  border-radius: 2px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.film-body h3 { font-size: 18px; color: var(--deep); margin-bottom: 8px; }
.film-body h3 a { color: inherit; text-decoration: none; }
.film-body p { font-size: 14px; color: var(--text-light); }
.film-img { height: 150px; overflow: hidden; margin-top: auto; }
.film-img img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.15) grayscale(0.35); }

/* ===== 技术 ===== */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tech {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 212, 227, 0.3);
  border-radius: 8px;
  padding: 28px 22px;
  text-align: center;
  transition: all 0.35s;
}
.tech:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--silver); }
.tech .ico {
  width: 60px; height: 60px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 2px solid var(--silver);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: var(--silver);
}
.tech h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
.tech p { font-size: 14px; color: var(--silver); }

/* ===== 医生 ===== */
.doc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.doc {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--line);
  text-align: center;
  padding: 26px 18px;
  box-shadow: 0 4px 16px rgba(18, 51, 92, 0.08);
  transition: all 0.35s;
}
.doc:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.doc img {
  width: 120px; height: 120px;
  border-radius: 50%;
  margin: 0 auto 14px;
  object-fit: cover;
  border: 4px solid var(--silver);
}
.doc h3 { font-size: 18px; color: var(--deep); }
.doc .post { font-size: 13px; color: var(--text-light); margin: 6px 0; }
.doc p { font-size: 13px; color: var(--text-light); }

/* ===== 联系 ===== */
.contact-wrap {
  background: #fff;
  border-radius: 10px;
  padding: 40px;
  box-shadow: var(--shadow);
  border: 2px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.contact-info h3 { font-size: 24px; color: var(--deep); margin-bottom: 16px; }
.contact-info li { padding: 10px 0; border-bottom: 2px dashed var(--line); font-size: 15px; }
.contact-info li b { color: var(--deep); }
.contact-form h3 { font-size: 20px; color: var(--deep); margin-bottom: 16px; }
.form-row { margin-bottom: 14px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--line);
  border-radius: 4px;
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  outline: none;
  transition: border-color 0.3s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--deep); }
.form-row textarea { min-height: 100px; resize: vertical; }
.form-row small { color: #d9534f; font-size: 12px; display: none; }
.form-row.error small { display: block; }
.form-row.error input, .form-row.error textarea, .form-row.error select { border-color: #d9534f; }
.form-msg { padding: 12px; border-radius: 6px; margin-top: 8px; display: none; font-size: 14px; }
.form-msg.ok { display: block; background: #d4edda; color: #155724; }
.form-msg.bad { display: block; background: #f8d7da; color: #721c24; }

/* ===== 页脚 ===== */
.site-footer { background: var(--deep2); color: var(--silver); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; padding: 50px 0 26px; }
.footer-grid h3 { font-size: 17px; color: #fff; margin-bottom: 14px; }
.footer-grid h3 a { color: #fff; text-decoration: none; }
.footer-grid p, .footer-grid li { font-size: 14px; margin-bottom: 8px; }
.footer-grid li a { color: var(--silver); }
.footer-grid li a:hover { color: #fff; }
.footer-grid a { color: inherit; }
.footer-bottom { border-top: 1px solid rgba(201,212,227,0.2); padding: 16px 0; text-align: center; font-size: 13px; }

/* ===== 动画 ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.fade-in { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ===== 页面头部 ===== */
.page-hero {
  background: radial-gradient(ellipse at 40% 0%, #1b4a86 0%, var(--deep) 55%, var(--deep2) 100%);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.page-hero h1, .page-hero h2 { font-size: 40px; margin-bottom: 8px; }
.page-hero p { color: var(--silver); font-size: 16px; }
.breadcrumb { margin-top: 10px; font-size: 14px; color: var(--silver); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb a { color: var(--silver); }

/* ===== 产品/科室页 ===== */
.film-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.film-list .film-img { height: 190px; }

/* ===== 新闻页 ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 4px 16px rgba(18, 51, 92, 0.08);
  transition: all 0.35s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card img { height: 190px; width: 100%; object-fit: cover; filter: grayscale(0.3); }
.news-body { padding: 20px; }
.news-body .date { font-size: 13px; color: var(--deep); font-weight: 600; }
.news-body h3 { font-size: 18px; margin: 8px 0; color: var(--deep); }
.news-body h3 a { color: inherit; text-decoration: none; }
.news-body p { font-size: 14px; color: var(--text-light); }

/* ===== 分类筛选 ===== */
.cat-tabs { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; position: relative; z-index: 1; }
.cat-tab { padding: 11px 26px; border-radius: 30px; border: 2px solid var(--deep); background: #fff; color: var(--deep); cursor: pointer; font-size: 14px; font-weight: 600; transition: all 0.3s; font-family: inherit; }
.cat-tab.active, .cat-tab:hover { background: var(--deep); color: #fff; border-color: var(--deep); }

/* ===== CMS 适配 ===== */
.cms-section { padding: 70px 0; }
.cms-detail { max-width: 900px; margin: 0 auto; }
.cms-detail > img { border-radius: 8px; margin: 0 auto 12px; max-width: 100%; box-shadow: var(--shadow); }
.cms-detail h1 { font-size: 2rem; margin: 18px 0; color: var(--deep); }
.cms-detail .lead { color: var(--text-light); margin-bottom: 20px; font-size: 1.05rem; }
.cms-detail .news-date-label { display: inline-block; background: var(--deep); color: var(--silver); font-size: .82rem; font-weight: 800; padding: 4px 14px; border-radius: 20px; }
.cms-content h2 { font-size: 1.5rem; margin: 24px 0 12px; color: var(--deep); }
.cms-content h3 { font-size: 1.25rem; margin: 20px 0 10px; color: var(--deep); }
.cms-content p, .cms-content ul, .cms-content li { color: var(--text-light); margin-bottom: 15px; line-height: 1.9; }
.cms-content ul { padding-left: 18px; list-style: disc; }
.cms-content img { border-radius: 8px; }
.cms-back { display: inline-block; color: var(--deep); font-size: .9rem; font-weight: 700; margin-bottom: 20px; }
.cms-back:hover { text-decoration: underline; }
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li { color: var(--text-light); padding: 10px 0; border-bottom: 2px dashed var(--line); font-size: .9rem; }
.spec-list li b { color: var(--deep); }
.cms-pager { padding: 30px 0; text-align: center; }
.cms-pager .pagination { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.cms-pager .page-link { padding: 10px 16px; border: 1px solid var(--deep); border-radius: 4px; background: #fff; color: var(--deep); font-size: 14px; transition: .3s; display: inline-block; }
.cms-pager .page-link:hover { background: var(--deep); color: #fff; }
.cms-pager .page-item.active .page-link { background: var(--deep); border-color: var(--deep); color: #fff; }
.cms-pager .page-item.disabled .page-link { opacity: .5; pointer-events: none; }
.form-alert-err { background: #fdecea; border: 1px solid #f3c6c0; color: #b23b35; padding: 14px 18px; border-radius: 8px; margin-bottom: 18px; }
.form-alert-err li { color: #b23b35; }
.form-success { display: none; background: #d4edda; border: 1px solid #a5e0bd; color: #155724; padding: 14px 18px; border-radius: 8px; margin-bottom: 18px; font-size: .9rem; }
.form-success.show { display: block; }
.form-submit { width: 100%; }

/* ===== 统计数字 ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
.stat-item .num { font-size: 42px; font-weight: 800; color: var(--silver); font-family: inherit; line-height: 1.2; }
.stat-item p { color: var(--silver); font-size: 14px; margin-top: 6px; opacity: 0.9; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-xray img { height: 320px; }
  .expert-grid { grid-template-columns: 1fr; }
  .film-grid, .tech-grid, .doc-grid, .news-grid, .film-list { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 12px 20px 20px;
    border-bottom: 3px solid var(--deep);
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; text-align: center; }
  .film-grid, .tech-grid, .doc-grid, .news-grid, .film-list, .expert-feats { grid-template-columns: 1fr; }
  .hero-text h2 { font-size: 34px; }
  .section { padding: 60px 0; }
  .topbar .container { flex-direction: column; gap: 4px; }
  .stat-grid { grid-template-columns: 1fr; }
}