/* ============================================================
   爱创医疗科技 门户网站 - 全局样式
   ============================================================ */

:root {
  --primary: #0891b2;
  --primary-dark: #0e7490;
  --primary-light: #22d3ee;
  --secondary: #0f172a;
  --accent: #06b6d4;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #0f172a 0%, #0e4f69 50%, #0891b2 100%);
  --radius: 12px;
  --shadow: 0 4px 24px rgba(8,145,178,.12);
  --shadow-lg: 0 12px 48px rgba(8,145,178,.18);
  --font: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── 导航 ──────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: all .3s;
}
.site-header.scrolled {
  background: rgba(255,255,255,.95);
  border-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
}
.site-header.scrolled .nav-link,
.site-header.scrolled .logo-text { color: var(--secondary) !important; }
.site-header.scrolled .logo-icon { color: var(--primary) !important; }

.nav-container {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  padding: 0 2rem; height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: .6rem; }
.logo-icon { font-size: 1.5rem; color: var(--primary-light); }
.logo-img { height: 38px; width: auto; }
.logo-text { font-size: 1rem; font-weight: 700; color: #fff; white-space: nowrap; letter-spacing: .05em; }
.nav-menu { display: flex; gap: .2rem; margin-left: auto; }
.nav-link {
  padding: .5rem .9rem; border-radius: 8px;
  color: rgba(255,255,255,.8); font-size: .9rem; font-weight: 500;
  transition: all .2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-light);
  background: rgba(8,145,178,.15);
}
.nav-cta {
  padding: .55rem 1.4rem; border-radius: 8px;
  background: var(--primary); color: #fff !important;
  font-size: .9rem; font-weight: 600;
  transition: all .2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }

/* ── Hero ──────────────────────────────────────────── */
.hero {
  background: var(--gradient);
  position: relative; overflow: hidden;
  padding-top: 68px;
}
.hero-canvas { position: absolute; inset: 0; }
.hero-content {
  max-width: 1280px; margin: 0 auto;
  padding: 1.75rem 2rem 1.5rem;
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-text { }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(8,145,178,.2); border: 1px solid rgba(8,145,178,.4);
  border-radius: 30px; padding: .35rem 1rem; margin-bottom: .8rem;
  color: var(--primary-light); font-size: .85rem; font-weight: 600;
}
.hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; color: #fff;
  line-height: 1.2; margin-bottom: .8rem;
}
.hero-subtitle {
  font-size: 1rem; color: rgba(255,255,255,.7);
  margin-bottom: 1.5rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: .8rem; }
.btn-primary {
  padding: .85rem 2rem; border-radius: 10px;
  background: var(--primary); color: #fff;
  font-size: .95rem; font-weight: 700; border: none; cursor: pointer;
  transition: all .25s; display: inline-flex; align-items: center; gap: .5rem;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(8,145,178,.4); }
.btn-outline {
  padding: .85rem 2rem; border-radius: 10px;
  background: transparent; color: #fff;
  font-size: .95rem; font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.4); cursor: pointer;
  transition: all .25s;
}
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.hero-tagline {
  color: rgba(34,211,238,.8); font-size: .9rem; font-weight: 500;
  margin-bottom: .8rem;
}
.hero-stats {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem;
}
.stat-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 1.2rem; text-align: center;
}
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--primary-light); }
.stat-num small { font-size: 1.2rem; }
.stat-label { font-size: .8rem; color: rgba(255,255,255,.65); margin-top: .2rem; }

/* 科技环形图 */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.tech-ring-wrapper { position: relative; width: 380px; height: 380px; }
.tech-ring-wrapper svg { animation: rotate 20s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }
.tech-ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring-icon { font-size: 3.5rem; color: var(--primary-light); margin-bottom: .5rem; }
.ring-label { color: #fff; font-size: .9rem; opacity: .7; }

/* ── 全景图横向滚动轮播 ─────────────────────────────── */
.panorama-section {
  background: #0d1b2a; padding: 2rem 0 0; overflow: hidden; position: relative;
}
.panorama-track {
  display: flex;
  animation: panoramaScroll 56s linear infinite;
}
.panorama-slide {
  flex: 0 0 auto; width: 300px; height: 185px; padding: 0 4px;
}
.panorama-slide img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 8px;
}
@keyframes panoramaScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.panorama-dots {
  display: flex; justify-content: center; gap: .6rem;
  padding: .6rem 0 .6rem; background: #0d1b2a;
}
.panorama-dots .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.3); cursor: pointer; transition: .3s;
}
.panorama-dots .dot.active { background: var(--primary-light); }

/* ── Section 通用 ──────────────────────────────────── */
.section { padding: 5rem 2rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block; padding: .3rem .9rem;
  background: rgba(8,145,178,.1); color: var(--primary);
  border-radius: 20px; font-size: .82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .8rem;
}
.section-title { font-size: clamp(1.6rem,3vw,2.4rem); font-weight: 800; color: var(--secondary); margin-bottom: .8rem; }
.section-subtitle { color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* ── 特色卡片 ──────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.feature-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 2rem; border: 1px solid var(--border);
  transition: all .3s; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0); transition: .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { font-size: 2rem; color: var(--primary); margin-bottom: 1rem; }
.feature-title { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: .5rem; }
.feature-desc { color: var(--text-muted); font-size: .9rem; }

/* ── 产品卡片 ──────────────────────────────────────── */
.products-filter {
  display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 2.5rem;
}
.filter-btn {
  padding: .5rem 1.2rem; border-radius: 20px;
  border: 1.5px solid var(--border); background: #fff;
  color: var(--text-muted); font-size: .88rem; cursor: pointer; transition: .2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 1.5rem; }
.product-card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden; transition: all .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-img {
  width: 100%; height: 200px; background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
}
.product-img i { font-size: 4rem; color: rgba(255,255,255,.5); }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-body { padding: 1.5rem; }
.product-cat {
  font-size: .76rem; font-weight: 700; color: var(--primary);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: .5rem;
}
.product-name { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: .4rem; }
.product-model { font-size: .82rem; color: var(--text-muted); margin-bottom: .8rem; }
.product-summary { font-size: .88rem; color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.6; }
.product-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--primary); font-size: .88rem; font-weight: 600;
}
.product-link:hover { gap: .8rem; }

/* ── 关于我们 ──────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-text h2 { font-size: 2rem; font-weight: 800; color: var(--secondary); margin-bottom: 1rem; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.about-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 2rem 0; }
.about-stat { text-align: center; padding: 1rem; background: var(--bg); border-radius: var(--radius); }
.about-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.about-stat .label { font-size: .8rem; color: var(--text-muted); }
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--primary-light)); }
.tl-item { position: relative; padding: 0 0 1.5rem 1.5rem; }
.tl-item::before { content: ''; position: absolute; left: -5px; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.tl-year { font-size: .78rem; color: var(--primary); font-weight: 700; }
.tl-title { font-size: .95rem; font-weight: 700; color: var(--secondary); }
.tl-content { font-size: .85rem; color: var(--text-muted); }

/* ── 荣誉资质 ──────────────────────────────────────── */
.honors-layout {
  display: grid; grid-template-columns: 300px 1fr; gap: 2.5rem;
  align-items: stretch; margin-bottom: 2.5rem;
}
.honors-stats {
  background: var(--gradient); border-radius: var(--radius);
  padding: 1.8rem; display: flex; flex-direction: column; gap: 1.2rem;
}
.honor-stat-item {
  display: flex; align-items: baseline; gap: .5rem;
  padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.1);
}
.honor-stat-item:last-child { border-bottom: none; padding-bottom: 0; }
.honor-stat-num {
  font-size: 2.2rem; font-weight: 800; color: var(--primary-light);
  min-width: 100px;
}
.honor-stat-num span { font-size: 1.2rem; opacity: .8; }
.honor-stat-label {
  font-size: .88rem; color: rgba(255,255,255,.7); font-weight: 500;
}
/* 奖项徽章网格 */
.honors-awards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.award-card {
  display: flex; align-items: center; gap: 1rem;
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 1.2rem;
  transition: .3s;
}
.award-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow);
  border-color: var(--primary);
}
.award-card-badge {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.award-card-badge i { font-size: 1.3rem; color: #fff; }
.award-card-body { }
.award-card-title {
  font-size: .9rem; font-weight: 700; color: var(--secondary); margin-bottom: .25rem;
}
.award-card-year {
  font-size: .78rem; color: var(--primary); font-weight: 600;
}
/* 底部证书图片行 */
.certificate-row {
  display: flex; justify-content: center;
}
.cert-single {
  max-width: 800px; width: 100%;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.cert-single img {
  width: 100%; height: auto; display: block;
}

/* ── 服务 ──────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.service-card {
  display: flex; gap: 1.2rem;
  background: var(--card-bg); border-radius: var(--radius);
  padding: 1.5rem; border: 1px solid var(--border); transition: .3s;
}
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.service-icon { font-size: 2rem; color: var(--primary); flex-shrink: 0; margin-top: .2rem; }
.service-body h3 { font-size: 1rem; font-weight: 700; color: var(--secondary); margin-bottom: .4rem; }
.service-body p { font-size: .88rem; color: var(--text-muted); }

/* ── FAQ ──────────────────────────────────────────── */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: .8rem; overflow: hidden; }
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 1.5rem; cursor: pointer;
  font-weight: 600; color: var(--secondary); background: var(--card-bg);
  transition: .2s;
}
.faq-q:hover { color: var(--primary); }
.faq-q i { font-size: .85rem; transition: .2s; color: var(--primary); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 1.5rem 1.2rem; color: var(--text-muted); font-size: .92rem; }
.faq-item.open .faq-a { display: block; }

/* ── 联系我们 ──────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; }
.contact-info-cards { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--card-bg); border-radius: var(--radius);
  padding: 1.2rem 1.5rem; border: 1px solid var(--border);
}
.contact-card-icon { font-size: 1.3rem; color: var(--primary); margin-top: .2rem; }
.contact-card h4 { font-size: .85rem; color: var(--text-muted); margin-bottom: .2rem; }
.contact-card p { font-size: .95rem; color: var(--secondary); font-weight: 600; }
.contact-form { background: var(--card-bg); border-radius: var(--radius); padding: 2rem; border: 1px solid var(--border); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .8rem; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--secondary); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: .7rem 1rem; border-radius: 8px;
  border: 1.5px solid var(--border);
  font-size: .9rem; font-family: var(--font);
  transition: .2s; color: var(--text);
  width: 100%; background: var(--bg);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8,145,178,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%; padding: .9rem;
  background: var(--primary); color: #fff;
  border: none; border-radius: 10px;
  font-size: 1rem; font-weight: 700; cursor: pointer;
  transition: .25s; margin-top: .5rem;
}
.form-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }
.alert {
  padding: .8rem 1.2rem; border-radius: 8px;
  margin-bottom: 1rem; font-size: .9rem; font-weight: 500;
}
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error { background: #fee2e2; color: #991b1b; }

/* ── 新闻列表 ──────────────────────────────────────── */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.news-card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden; transition: .3s;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-card-img {
  width: 100%; height: 180px; background: var(--gradient);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.news-card-img i { font-size: 3rem; color: rgba(255,255,255,.4); }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 1.2rem; }
.news-meta { font-size: .78rem; color: var(--text-muted); margin-bottom: .6rem; display: flex; gap: .8rem; }
.news-card-title { font-size: .98rem; font-weight: 700; color: var(--secondary); margin-bottom: .6rem; line-height: 1.5; }
.news-card-summary { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* ── Hero 暗背景 section ──────────────────────────── */
.section-dark {
  background: linear-gradient(135deg, #0f172a 0%, #0e4f69 100%);
  color: #fff;
}
.section-dark .section-title { color: #fff; }
.section-dark .section-subtitle { color: rgba(255,255,255,.65); }

/* ── 面包屑 ──────────────────────────────────────── */
.breadcrumb {
  background: var(--secondary); padding: 5rem 2rem 2rem;
  text-align: center; color: #fff;
}
.breadcrumb h1 { font-size: 2rem; font-weight: 800; margin-bottom: .5rem; }
.breadcrumb-nav { display: flex; justify-content: center; gap: .5rem; font-size: .88rem; color: rgba(255,255,255,.6); }
.breadcrumb-nav a { color: var(--primary-light); }
.breadcrumb-nav a:hover { text-decoration: underline; }

/* ── 页脚 ──────────────────────────────────────────── */
.site-footer { background: #0f172a; color: rgba(255,255,255,.7); padding: 4rem 2rem 0; }
.footer-container { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; padding-bottom: 3rem; }
.footer-logo { display: flex; align-items: center; gap: .6rem; color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.footer-logo-img { height: 32px; width: auto; }
.footer-desc { font-size: .88rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: .8rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); font-size: .9rem; transition: .2s;
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-col h4 { color: #fff; font-size: .9rem; font-weight: 700; margin-bottom: 1.2rem; }
.footer-col ul li { margin-bottom: .6rem; }
.footer-col ul li a { font-size: .85rem; transition: .2s; }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-contact li { display: flex; align-items: flex-start; gap: .6rem; font-size: .85rem; margin-bottom: .7rem; }
.footer-contact li i { color: var(--primary-light); margin-top: .2rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; flex-wrap: wrap; gap: .5rem;
}
.footer-bottom .icp a { color: rgba(255,255,255,.5); }

/* ── 分页 ──────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: .5rem; margin-top: 2.5rem; }
.page-btn {
  padding: .5rem .9rem; border-radius: 8px;
  border: 1.5px solid var(--border); background: #fff;
  color: var(--text); font-size: .88rem; cursor: pointer; transition: .2s;
  text-decoration: none;
}
.page-btn.active, .page-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── 富文本正文排版 ────────────────────────────────────── */
.rich-text { line-height: 1.9; color: var(--text); font-size: .98rem; }
.rich-text h1 { font-size: 1.6rem; font-weight: 800; color: var(--secondary); margin: 1.5rem 0 1rem; }
.rich-text h2 { font-size: 1.35rem; font-weight: 700; color: var(--secondary); margin: 1.3rem 0 .8rem; }
.rich-text h3 { font-size: 1.15rem; font-weight: 700; color: var(--secondary); margin: 1.1rem 0 .6rem; }
.rich-text p { margin-bottom: 1rem; }
.rich-text img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 1rem 0; }
.rich-text ul, .rich-text ol { margin: 0 0 1rem 1.5rem; }
.rich-text ul li { list-style: disc; margin-bottom: .4rem; }
.rich-text ol li { list-style: decimal; margin-bottom: .4rem; }
.rich-text a { color: var(--primary); text-decoration: underline; }
.rich-text blockquote { border-left: 4px solid var(--primary); padding: .5rem 1rem; margin: 1rem 0; background: var(--bg); border-radius: 0 8px 8px 0; color: var(--text-muted); }
.rich-text table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .9rem; }
.rich-text table th, .rich-text table td { border: 1px solid var(--border); padding: .6rem .8rem; }
.rich-text table th { background: var(--bg); font-weight: 700; }
.rich-text hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ── 响应式 ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .honors-layout { grid-template-columns: 1fr; }
  .honors-awards { grid-template-columns: 1fr; }
  .cert-single { max-width: 100%; }
}
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; padding: 1.25rem 1.5rem 1.5rem; }
  .hero-visual { display: none; }
  .nav-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; background: #0f172a; flex-direction: column; padding: 1rem; gap: .3rem; }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}