/* Lantian Medical — bulletproof CSS */
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;line-height:1.6}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#222;background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:#0a5fa8;text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:.4em 0 .5em;line-height:1.25;color:#0a3d6a;font-weight:600}
h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
/* Header */
.site-header{background:#fff;border-bottom:2px solid #0a5fa8;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:#0a3d6a;text-decoration:none}
.brand-mark{width:42px;height:42px;background:#0a5fa8;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-weight:700;font-size:16px;color:#0a3d6a}
.brand-tag{font-size:11px;color:#666;letter-spacing:.5px;text-transform:uppercase}
nav.main-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:6px;flex-wrap:wrap}
nav.main-nav a{display:block;padding:10px 14px;color:#222;font-weight:500;border-radius:6px;font-size:15px}
nav.main-nav a:hover{background:#eef4fb;color:#0a5fa8;text-decoration:none}
nav.main-nav a.cta{background:#0a5fa8;color:#fff}
nav.main-nav a.cta:hover{background:#0a3d6a;color:#fff}
.menu-toggle{display:none;background:none;border:1px solid #0a5fa8;color:#0a5fa8;padding:8px 12px;border-radius:6px;font-size:18px;cursor:pointer}
/* Hero */
.hero{position:relative;background:linear-gradient(rgba(10,61,106,.78),rgba(10,95,168,.78)),url(/assets/img/hero.jpg) center/cover no-repeat;color:#fff;padding:80px 0 70px;text-align:center}
.hero h1{color:#fff;font-size:2.5rem;max-width:900px;margin:0 auto .6em}
.hero p{font-size:1.15rem;max-width:760px;margin:0 auto 1.5em;color:rgba(255,255,255,.92)}
.btn{display:inline-block;padding:13px 28px;background:#fff;color:#0a3d6a;border-radius:6px;font-weight:600;border:none;cursor:pointer;font-size:1rem;text-decoration:none;transition:background .15s}
.btn:hover{background:#eef4fb;color:#0a3d6a;text-decoration:none}
.btn.btn-primary{background:#ff8c19;color:#fff}
.btn.btn-primary:hover{background:#e57400;color:#fff}
/* Section */
section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;margin-bottom:.2em}
.section-title p{color:#666;max-width:680px;margin:0 auto}
/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.product-card{background:#fff;border:1px solid #e3e8ee;border-radius:8px;overflow:hidden;transition:transform .15s, box-shadow .15s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.product-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-card-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.product-card h3{margin:0 0 .5em;font-size:1.15rem}
.product-card p{color:#555;font-size:.93rem;flex:1}
.product-card .more{color:#0a5fa8;font-weight:600;margin-top:10px;font-size:.92rem}
/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;background:#f7f9fc;padding:50px 30px;border-radius:10px}
.why-item{text-align:center}
.why-item .ico{width:56px;height:56px;margin:0 auto 12px;background:#0a5fa8;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700}
.why-item h4{margin:0 0 8px;font-size:1.05rem}
.why-item p{color:#555;font-size:.9rem;margin:0}
/* About preview */
.about-row{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.about-row img{border-radius:8px;width:100%}
.about-row h2{font-size:1.8rem}
@media (max-width:768px){.about-row{grid-template-columns:1fr}}
/* News list */
.news-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.news-card{background:#fff;border:1px solid #e3e8ee;border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card-body{padding:18px 20px}
.news-card h3{font-size:1.05rem;margin:0 0 8px}
.news-card p{font-size:.9rem;color:#666;margin:0 0 10px}
.news-card .read{color:#0a5fa8;font-weight:600;font-size:.92rem}
/* Footer */
.site-footer{background:#0a3d6a;color:#cdd9e6;padding:50px 0 20px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:30px}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 14px;text-transform:uppercase;letter-spacing:.5px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:8px;font-size:.93rem}
.site-footer a{color:#cdd9e6}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e5a8e;padding-top:18px;text-align:center;font-size:.85rem;color:#88a3c4}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
/* Article */
.article{max-width:780px;margin:0 auto;padding:30px 0}
.article h1{font-size:2rem;margin-bottom:.4em}
.article .meta{color:#888;font-size:.9rem;margin-bottom:1.5em}
.article p{font-size:1.04rem;line-height:1.75}
.article h2{font-size:1.4rem;margin-top:1.8em}
.article img{border-radius:8px;margin:1.5em 0}
.breadcrumb{font-size:.88rem;color:#666;margin:18px 0 24px}
.breadcrumb a{color:#0a5fa8}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-info{background:#f7f9fc;padding:30px;border-radius:8px}
.contact-info p{margin:0 0 14px;font-size:.96rem}
.contact-info strong{color:#0a3d6a;display:inline-block;min-width:90px}
@media (max-width:780px){.contact-grid{grid-template-columns:1fr}}
/* Cert grid */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin:30px 0}
.cert-grid figure{margin:0;background:#fff;border:1px solid #e3e8ee;border-radius:8px;padding:18px;text-align:center}
.cert-grid figure img{aspect-ratio:3/4;object-fit:cover;border-radius:4px;width:100%}
.cert-grid figcaption{margin-top:10px;font-weight:600;color:#0a3d6a;font-size:.95rem}
/* FAQ */
.faq-item{background:#fff;border:1px solid #e3e8ee;border-radius:8px;padding:20px 24px;margin-bottom:14px}
.faq-item h3{margin:0 0 8px;font-size:1.05rem;color:#0a3d6a}
.faq-item p{margin:0;color:#444}
/* Mobile */
@media (max-width:780px){
  nav.main-nav{flex-basis:100%;display:none}
  nav.main-nav.open{display:block}
  nav.main-nav ul{flex-direction:column;gap:0;border-top:1px solid #e3e8ee;margin-top:10px;padding-top:10px}
  nav.main-nav a{padding:14px;border-radius:0}
  .menu-toggle{display:block}
  .hero{padding:60px 0 50px}
  .hero h1{font-size:1.7rem}
  .hero p{font-size:1rem}
  .about-row{gap:30px}
  section{padding:40px 0}
  h1{font-size:1.6rem}h2{font-size:1.3rem}
}