:root {
    --primary: #1e6b5c;
    --primary-light: #2d8f7a;
    --primary-bg: #e8f5f1;
    --accent: #e8833a;
    --accent-light: #fff0e5;
    --text: #1a1a2e;
    --text-light: #555;
    --bg: #f8f9fb;
    --white: #fff;
    --border: #e8ecf0;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --radius: 12px;
    --transition: 0.25s ease;
  }
  * { margin:0; padding:0; box-sizing:border-box; }
  html { scroll-behavior:smooth; }
  body {
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    font-size: 18px;
    color: var(--text); background: var(--bg); line-height: 1.8;
  }
  a { color: var(--primary); text-decoration:none; }
  a:hover { color: var(--primary-light); }

  /* Nav */
  nav {
    position: sticky; top:0; z-index:100;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }
  .nav-inner {
    max-width: 1200px; margin:0 auto; padding:14px 24px;
    display:flex; align-items:center; justify-content:space-between;
  }
  .nav-logo { font-size:22px; font-weight:700; color:var(--primary); white-space:nowrap; }
  .nav-links { display:flex; gap:8px; flex-wrap:wrap; }
  .nav-links a {
    padding:6px 14px; border-radius:20px; font-size:16px; color:var(--text-light);
    transition:var(--transition); white-space:nowrap;
  }
  .nav-links a:hover { background:var(--primary-bg); color:var(--primary); }
  .nav-links a.active { background:var(--primary); color:var(--white); }
  .nav-hamburger { display:none; background:none; border:none; font-size:24px; cursor:pointer; color:var(--primary); }

  /* Hero */
  .hero {
    background: linear-gradient(135deg, #0a2e26 0%, #1e6b5c 45%, #2d8f7a 100%);
    color:var(--white); padding:110px 24px 96px; text-align:center;
    position:relative; overflow:hidden;
  }
  .hero::after {
    content:''; position:absolute; bottom:0; left:0; right:0; height:60px;
    background: linear-gradient(to top, var(--bg), transparent);
  }
  .hero h1 { font-size:46px; margin-bottom:18px; letter-spacing:3px; font-weight:800; }
  .hero p { font-size:20px; opacity:0.92; max-width:760px; margin:0 auto 28px; line-height:1.9; }
  .hero-tags { display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
  .hero-tag {
    background:rgba(255,255,255,0.18); padding:8px 18px; border-radius:24px;
    font-size:15px; backdrop-filter:blur(4px);
  }

  /* Sections */
  .section {
    max-width:1200px; margin:0 auto; padding:90px 24px;
  }
  .section-title {
    font-size:36px; font-weight:700; color:var(--primary); margin-bottom:10px;
    text-align:center; letter-spacing:1px;
  }
  .section-subtitle {
    text-align:center; color:var(--text-light); margin-bottom:48px; font-size:18px;
  }
  .section-divider {
    width:60px; height:3px; background:var(--accent); margin:0 auto 40px; border-radius:2px;
  }

  /* Cards */
  .card-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:20px; }
  .card {
    background:var(--white); border-radius:var(--radius); box-shadow:var(--shadow);
    overflow:hidden; transition:var(--transition);
  }
  .card:hover { transform:translateY(-3px); box-shadow:0 6px 24px rgba(0,0,0,0.12); }
  .card-img { width:100%; height:200px; object-fit:cover; }
  .card-body { padding:20px; }
  .card-body h3 { font-size:20px; color:var(--primary); margin-bottom:8px; }
  .card-body p { color:var(--text-light); font-size:16px; }
  .card-badge {
    display:inline-block; background:var(--accent-light); color:var(--accent);
    padding:3px 10px; border-radius:4px; font-size:12px; font-weight:600;
    margin-right:6px; margin-bottom:6px;
  }

  /* Feature blocks */
  .feature-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
  .feature {
    background:var(--white); border-radius:var(--radius); padding:24px;
    box-shadow:var(--shadow); border-top:4px solid var(--primary);
  }
  .feature h4 { font-size:19px; color:var(--primary); margin-bottom:10px; }
  .feature p { font-size:17px; color:var(--text-light); }

  /* Stat bar */
  .stat-bar {
    display:flex; gap:20px; flex-wrap:wrap; justify-content:center;
    margin:40px 0;
  }
  .stat-item {
    text-align:center; padding:20px 28px; background:var(--white);
    border-radius:var(--radius); box-shadow:var(--shadow); min-width:130px;
  }
  .stat-num { font-size:36px; font-weight:800; color:var(--primary); }
  .stat-label { font-size:16px; color:var(--text-light); margin-top:4px; }

  /* Expert cards */
  .expert-card {
    display:flex; gap:16px; background:var(--white); border-radius:var(--radius);
    padding:20px; box-shadow:var(--shadow); align-items:flex-start;
  }
  .expert-avatar {
    width:72px; height:72px; border-radius:50%; background:var(--primary-bg);
    display:flex; align-items:center; justify-content:center;
    font-size:32px; color:var(--primary); flex-shrink:0;
  }
  .expert-info h4 { font-size:19px; color:var(--primary); }
  .expert-info .role { font-size:14px; color:var(--accent); font-weight:600; margin:2px 0; }
  .expert-info .desc { font-size:14px; color:var(--text-light); }

  /* FAQ */
  .faq-group { margin-bottom:32px; }
  .faq-group-title {
    font-size:20px; color:var(--primary); padding:12px 16px;
    background:var(--primary-bg); border-radius:8px; margin-bottom:12px;
  }
  .faq-item { border-bottom:1px solid var(--border); }
  .faq-question {
    width:100%; text-align:left; padding:16px 40px 16px 16px; border:none;
    background:var(--white); font-size:16px; color:var(--text);
    cursor:pointer; position:relative; font-family:inherit; line-height:1.6;
  }
  .faq-question:hover { color:var(--primary); }
  .faq-question::after {
    content:'+'; position:absolute; right:16px; top:50%; transform:translateY(-50%);
    font-size:20px; color:var(--primary); transition:var(--transition);
  }
  .faq-question[aria-expanded="true"]::after { content:'-'; }
  .faq-answer {
    padding:0 16px 16px; font-size:16px; color:var(--text-light);
    line-height:1.9;
  }

  /* CTA */
  .cta {
    background:linear-gradient(135deg, var(--primary), var(--primary-light));
    color:var(--white); text-align:center; padding:60px 24px;
  }
  .cta h2 { font-size:32px; margin-bottom:12px; }
  .cta p { opacity:0.9; margin-bottom:24px; }
  .btn {
    display:inline-block; padding:12px 32px; border-radius:28px;
    font-size:18px; font-weight:600; cursor:pointer; border:none;
    transition:var(--transition);
  }
  .btn-white { background:var(--white); color:var(--primary); }
  .btn-white:hover { transform:scale(1.04); box-shadow:0 4px 16px rgba(0,0,0,0.2); }
  .btn-outline {
    background:transparent; color:var(--white); border:2px solid rgba(255,255,255,0.5);
    margin-left:10px;
  }

  /* Footer */
  footer {
    background:#0d2b24; color:rgba(255,255,255,0.7); padding:40px 24px 20px;
  }
  .footer-inner { max-width:1200px; margin:0 auto; }
  .footer-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:28px; }
  .footer-col h4 { color:var(--white); margin-bottom:12px; font-size:18px; }
  .footer-col p,.footer-col a { font-size:16px; line-height:2; color:rgba(255,255,255,0.6); display:block; }
  .footer-bottom {
    border-top:1px solid rgba(255,255,255,0.1); margin-top:28px;
    padding-top:16px; text-align:center; font-size:14px;
  }

  /* Gallery */
  .gallery { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
  .gallery-item {
    border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow);
  }
  .gallery-item img { width:100%; height:220px; object-fit:cover; display:block; }

  /* Pills / Tags */
  .tag-list { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
  .tag {
    background:var(--primary-bg); color:var(--primary);
    padding:6px 16px; border-radius:20px; font-size:13px; font-weight:600;
  }

  /* Mobile menu */
  @media (max-width:768px) {
    .nav-links { display:none; flex-direction:column; position:absolute; top:100%; left:0; right:0;
      background:var(--white); border-bottom:1px solid var(--border); padding:12px; box-shadow:var(--shadow); }
    .nav-links.show { display:flex; }
    .nav-hamburger { display:block; }
    .hero h1 { font-size:30px; }
    .hero p { font-size:16px; }
    .section { padding:56px 16px; }
    .section-title { font-size:28px; }
    .card-grid { grid-template-columns:1fr; }
    .expert-card { flex-direction:column; align-items:center; text-align:center; }
    .stat-bar { gap:10px; }
    .stat-item { padding:14px 16px; min-width:90px; }
    .stat-num { font-size:24px; }
    .gallery { grid-template-columns:1fr; }
  }

  /* Content sections */
  .content-block {
    background:var(--white); border-radius:var(--radius); padding:28px;
    box-shadow:var(--shadow); margin-bottom:24px;
  }
  .content-block h3 { font-size:22px; color:var(--primary); margin-bottom:14px; }
  .content-block p { font-size:17px; color:var(--text-light); margin-bottom:10px; }


  /* Certificate Gallery */
  .cert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:14px; }
  .cert-item {
    background:var(--white); border-radius:var(--radius); overflow:hidden;
    box-shadow:0 1px 8px rgba(0,0,0,0.06); transition:var(--transition);
  }
  .cert-item:hover { transform:translateY(-2px); box-shadow:0 4px 16px rgba(0,0,0,0.12); }
  .cert-item img { width:100%; height:260px; object-fit:contain; display:block; background:#f8f8f8; padding:8px; }
  .cert-label { padding:8px 10px; font-size:12px; color:var(--text-light); text-align:center; line-height:1.4; }
  .cert-person-title { font-size:22px; font-weight:700; color:var(--primary); margin:28px 0 10px; padding-bottom:8px; border-bottom:2px solid var(--accent); }
  .cert-person-title span { font-size:14px; color:var(--accent); font-weight:600; }

  /* News Section */
  .news-search {
    display:flex; gap:10px; max-width:500px; margin:0 auto 28px;
  }
  .news-search input {
    flex:1; padding:10px 18px; border:1px solid var(--border); border-radius:24px;
    font-size:14px; font-family:inherit; outline:none; transition:var(--transition);
  }
  .news-search input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-bg); }
  .news-search button {
    padding:10px 24px; background:var(--primary); color:var(--white); border:none;
    border-radius:24px; font-size:14px; cursor:pointer; font-family:inherit;
    transition:var(--transition);
  }
  .news-search button:hover { background:var(--primary-light); }
  .news-grid { display:grid; gap:16px; }
  .news-card {
    background:var(--white); border-radius:var(--radius); padding:20px;
    box-shadow:0 1px 8px rgba(0,0,0,0.06); border-left:4px solid var(--primary);
    transition:var(--transition);
  }
  .news-card:hover { box-shadow:0 4px 16px rgba(0,0,0,0.1); }
  .news-date { display:flex; gap:10px; align-items:center; margin-bottom:6px; font-size:13px; color:var(--text-light); }
  .news-tag {
    display:inline-block; background:var(--accent-light); color:var(--accent);
    padding:2px 10px; border-radius:12px; font-size:11px; font-weight:600;
  }
  .news-card h4 { font-size:18px; color:var(--primary); margin-bottom:6px; }
  .news-card p { font-size:16px; color:var(--text-light); }
  .news-empty { text-align:center; color:var(--text-light); padding:40px; font-size:15px; display:none; }
  .cert-section-header { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:20px; }
  .cert-section-header .count-badge { background:var(--primary-bg); color:var(--primary); padding:4px 12px; border-radius:12px; font-size:13px; }

  .highlight { background:linear-gradient(180deg,transparent 60%,var(--accent-light) 60%); }

  /* 两大学科 + 四个中心 总览 */
  .zyzk-layout { display:grid; grid-template-columns:1fr 1fr; gap:24px; margin:0 0 36px; }
  .zyzk-col { background:linear-gradient(160deg,rgba(26,107,78,0.06),rgba(26,107,78,0.02)); border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
  .zyzk-cat { font-size:22px; font-weight:800; color:var(--primary); text-align:center; letter-spacing:1px; margin-bottom:4px; }
  .zyzk-cat-sub { font-size:13px; color:var(--accent); text-align:center; margin-bottom:18px; font-weight:600; }
  .zyzk-pill {
    display:block; background:var(--white); color:var(--text); padding:14px 18px;
    border-radius:10px; margin-bottom:10px; text-decoration:none; font-size:15px; font-weight:600;
    border-left:4px solid var(--primary); transition:var(--transition); box-shadow:0 1px 4px rgba(0,0,0,0.04);
  }
  .zyzk-pill:hover { transform:translateX(4px); border-left-color:var(--accent); color:var(--primary); box-shadow:0 2px 10px rgba(0,0,0,0.08); }
  @media (max-width:768px) {
    .zyzk-layout { grid-template-columns:1fr; gap:16px; }
  }

  /* 党建板块 */
  .party-banner {
    background:linear-gradient(135deg,#a31d24 0%,#c8312b 50%,#e25c4a 100%);
    color:var(--white); padding:50px 30px; border-radius:var(--radius);
    margin-bottom:28px; position:relative; overflow:hidden; box-shadow:0 6px 24px rgba(163,29,36,0.25);
  }
  .party-banner::before {
    content:''; position:absolute; top:0; right:0; width:200px; height:100%;
    background:radial-gradient(circle at top right,rgba(255,210,170,0.3),transparent 70%);
  }
  .party-banner h3 { font-size:32px; margin-bottom:8px; }
  .party-banner p { font-size:17px; opacity:0.95; line-height:1.9; max-width:720px; }
  .party-banner .em { font-size:18px; font-weight:700; margin-bottom:14px; }
  .party-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px; margin-top:20px; }
  .party-news-card {
    background:rgba(255,255,255,0.12); padding:18px 20px; border-radius:10px;
    backdrop-filter:blur(6px); border:1px solid rgba(255,255,255,0.18);
  }
  .party-news-card .pn-tag { display:inline-block; background:rgba(255,255,255,0.25); padding:2px 10px; border-radius:12px; font-size:11px; margin-right:8px; }
  .party-news-card .pn-date { font-size:12px; opacity:0.85; }
  .party-news-card .pn-title { font-size:17px; font-weight:700; margin:8px 0 6px; line-height:1.5; }
  .party-news-card .pn-desc { font-size:14px; opacity:0.92; line-height:1.7; }
  .party-stack { display:grid; grid-template-columns:1fr 1fr; gap:18px; margin:18px 0; }
  @media (max-width:768px) { .party-stack { grid-template-columns:1fr; } }
  .party-feature {
    background:rgba(255,255,255,0.95); color:var(--text); padding:18px 20px; border-radius:10px;
    border-left:5px solid #c8312b;
  }
  .party-feature h4 { font-size:18px; color:#a31d24; margin-bottom:8px; font-weight:700; }
  .party-feature p { font-size:14px; color:var(--text-light); line-height:1.7; }
  .party-feature ul { font-size:14px; color:var(--text-light); line-height:1.9; padding-left:18px; }

  /* 医院荣誉 */
  .honor-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:18px; margin-top:18px; }
  .honor-card {
    background:linear-gradient(135deg,#fff8e7 0%,#fffbf0 60%,#fff 100%);
    border:1px solid #f0d98c; border-left:5px solid #d4a017; border-radius:var(--radius);
    padding:20px; box-shadow:0 1px 6px rgba(212,160,23,0.08);
  }
  .honor-card h4 { font-size:18px; color:#a06b00; margin-bottom:6px; font-weight:700; }
  .honor-card .h-year { font-size:12px; color:var(--accent); font-weight:600; margin-bottom:8px; display:inline-block; background:rgba(212,160,23,0.12); padding:2px 10px; border-radius:10px; }
  .honor-card p { font-size:16px; color:var(--text-light); line-height:1.7; }
  .honor-card-row { display:flex; gap:12px; align-items:flex-start; }
  .honor-card-row .badge-trophy {
    width:42px; height:42px; flex-shrink:0;
    background:linear-gradient(135deg,#d4a017,#b8860b); color:#fff;
    display:flex; align-items:center; justify-content:center;
    border-radius:50%; font-size:22px; box-shadow:0 2px 8px rgba(212,160,23,0.3);
  }