:root{
  --green-900:#0f3d2e;
  --green-800:#15523f;
  --green-700:#1f6b51;
  --green-600:#2a8467;
  --green-500:#3a9b7c;
  --green-400:#6cb89c;
  --green-300:#a4d4c0;
  --green-100:#e6f1ec;
  --green-50:#f2f8f4;
  --bg:#f7faf8;
  --ink-900:#0f1c17;
  --ink-700:#33493f;
  --ink-500:#5d716a;
  --ink-400:#8a9a93;
  --line:#e3ece7;
  --white:#ffffff;
  --shadow:0 8px 30px rgba(15,61,46,.08);
  --radius:14px;
  --radius-lg:20px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Arial,sans-serif;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
body{padding-top:72px}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--green-600),var(--green-800));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;
  box-shadow:0 6px 18px rgba(31,107,81,.25);
  flex-shrink:0;
}
.brand .logo-img{
  width:42px;height:42px;border-radius:50%;
  object-fit:cover;
  box-shadow:0 6px 18px rgba(31,107,81,.25);
  flex-shrink:0;
}
.brand .name{font-weight:700;font-size:18px;letter-spacing:.5px}
.brand .name small{display:block;font-weight:500;font-size:11px;color:var(--ink-500);letter-spacing:1px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  padding:10px 14px;border-radius:10px;font-weight:500;font-size:15px;color:var(--ink-700);
  position:relative;transition:.2s;
}
.nav-links a:hover{color:var(--green-700);background:var(--green-50)}
.nav-links a.active{color:var(--green-700)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--green-600);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-switch-wrap{position:relative}
.lang-switch{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:6px 12px;font-size:13px;color:var(--ink-700);cursor:pointer;
}
.lang-switch .lang-label{min-width:28px;text-align:center;font-weight:500}
.lang-dropdown{
  position:absolute;top:calc(100% + 6px);right:0;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:6px;min-width:140px;
  display:none;z-index:100;
}
.lang-dropdown.open{display:block}
.lang-option{
  padding:8px 12px;border-radius:8px;font-size:13px;color:var(--ink-700);
  cursor:pointer;transition:.15s;
}
.lang-option:hover{background:var(--green-50);color:var(--green-700)}
.lang-option.active{background:var(--green-600);color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-weight:600;
  padding:12px 22px;border-radius:999px;font-size:14px;transition:.2s;
}
.btn-primary{background:var(--green-700);color:#fff;box-shadow:0 8px 22px rgba(31,107,81,.25)}
.btn-primary:hover{background:var(--green-800);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--green-700);border:1px solid var(--green-300)}
.btn-ghost:hover{background:var(--green-50)}
.btn-outline{background:#fff;color:var(--green-700);border:1px solid var(--green-300)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-700);cursor:pointer;
}
.icon-btn:hover{color:var(--green-700);border-color:var(--green-300)}

/* HERO */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#eef6f1 0%,#f7faf8 100%);
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  padding:56px 0 72px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--green-300);
  color:var(--green-700);font-weight:600;font-size:13px;
  padding:8px 14px;border-radius:999px;box-shadow:var(--shadow);
}
.eyebrow .dot{width:8px;height:8px;background:var(--green-600);border-radius:50%}
.hero h1{
  font-size:54px;line-height:1.15;margin:18px 0 8px;font-weight:800;color:var(--green-900);
  letter-spacing:1px;
}
.hero h1 .en{display:block;font-size:32px;margin-top:8px;color:var(--green-800);font-weight:600;letter-spacing:.5px}
.hero p.lead{font-size:17px;color:var(--ink-700);max-width:520px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 16px;
  font-size:14px;color:var(--ink-700);
}
.hero-tag i{color:var(--green-600)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-cta .btn-watch{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  padding:10px 18px 10px 10px;border-radius:999px;color:var(--ink-700);
}
.hero-cta .btn-watch .play{
  width:38px;height:38px;border-radius:50%;background:var(--green-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:5/4;background:#cfe6d9;box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.map-pin{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:999px;font-size:12px;color:var(--ink-700);padding:6px 10px 6px 6px;
  display:flex;align-items:center;gap:6px;box-shadow:var(--shadow);
}
.map-pin .city{font-weight:700;color:var(--green-800);font-size:13px}
.map-pin .ic{width:18px;height:18px;border-radius:50%;background:var(--green-600);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:10px}

/* SECTION HEADERS */
.section{padding:72px 0}
.section.alt{background:#fff}
.section-head{text-align:center;margin-bottom:40px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--green-700);font-weight:600;font-size:13px;letter-spacing:2px;text-transform:uppercase;
}
.section-head .kicker::before,.section-head .kicker::after{content:"";width:30px;height:1px;background:var(--green-300)}
.section-head h2{font-size:34px;margin:10px 0 8px;color:var(--green-900)}
.section-head p{color:var(--ink-500);max-width:640px;margin:0 auto}

/* SERVICE CARDS */
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:0;overflow:hidden;transition:.25s;
  display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green-300)}
.service-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#dbeadf}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.service-card:hover .thumb img{transform:scale(1.05)}
.service-card .body{padding:22px}
.service-card h3{margin:0 0 4px;font-size:20px;color:var(--green-900)}
.service-card .en-sub{color:var(--ink-500);font-size:13px;margin-bottom:14px}
.service-card ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.service-card ul li{display:flex;align-items:center;gap:10px;color:var(--ink-700);font-size:14px}
.service-card ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green-500)}

/* STATS */
.stats{
  display:grid;grid-template-columns:repeat(5,1fr);gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;margin-top:30px;
}
.stat{display:flex;align-items:center;gap:14px;padding:6px 14px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .ic{
  width:54px;height:54px;border-radius:14px;background:var(--green-50);
  display:flex;align-items:center;justify-content:center;color:var(--green-700);font-size:22px;
}
.stat .num{font-size:24px;font-weight:800;color:var(--green-900);line-height:1}
.stat .lab{font-size:13px;color:var(--ink-500);margin-top:4px}

/* CARDS / TILES */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:.25s;
}
.tile:hover{border-color:var(--green-300);transform:translateY(-2px);box-shadow:var(--shadow)}
.tile .ic{
  width:46px;height:46px;border-radius:12px;background:var(--green-50);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.tile h4{margin:0 0 6px;font-size:17px;color:var(--green-900)}
.tile p{margin:0;color:var(--ink-500);font-size:13px}

/* CASES - card grid with image */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:#1a3a2c;color:#fff;aspect-ratio:4/3;cursor:pointer;
  box-shadow:var(--shadow);
}
.case-card img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:.4s}
.case-card:hover img{transform:scale(1.05);opacity:1}
.case-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.75) 100%);
}
.case-card .meta{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.18);backdrop-filter:blur(6px);color:#fff;
  font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.3);
}
.case-card .info{position:absolute;left:18px;right:18px;bottom:18px}
.case-card h4{margin:0 0 4px;font-size:18px}
.case-card p{margin:0;font-size:13px;opacity:.85}
.case-card .play{
  position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);
  color:#fff;display:flex;align-items:center;justify-content:center;
}

/* CTA BANNER */
.cta-banner{
  background:linear-gradient(120deg,#1f6b51,#0f3d2e);
  border-radius:var(--radius-lg);color:#fff;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  position:relative;overflow:hidden;
}
.cta-banner::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 60%);
}
.cta-banner h3{margin:0 0 6px;font-size:24px}
.cta-banner p{margin:0;opacity:.85;max-width:520px}
.cta-banner .btn{background:#fff;color:var(--green-800)}
.cta-banner .btn:hover{background:var(--green-100)}

/* FOOTER */
.footer{
  background:#0e2a21;color:#bcd2c6;padding:60px 0 24px;margin-top:80px;
}
.footer .row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:40px}
.footer h5{color:#fff;font-size:14px;margin:0 0 16px;font-weight:600;letter-spacing:1px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14px}
.footer ul li a:hover{color:#fff}
.footer .brand-block .desc{font-size:13px;opacity:.7;margin-top:10px;line-height:1.7}
.footer .contact li{display:flex;gap:8px;align-items:center}
.footer .socials{display:flex;gap:8px;margin-top:14px}
.footer .socials a{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.06);color:#bcd2c6;
  display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);
}
.footer .socials a:hover{background:var(--green-700);color:#fff}
.copyright{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;margin-top:40px;
  display:flex;justify-content:space-between;font-size:12px;opacity:.6;
}

/* PAGE BANNER (sub pages) */
.page-banner{
  position:relative;padding:80px 0;background:#dceae1;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(247,250,248,.98) 0%,rgba(247,250,248,.92) 38%,rgba(247,250,248,.55) 60%,rgba(247,250,248,.12) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(15,61,46,.18) 0%,rgba(15,61,46,.28) 100%);
}
.page-banner .container{position:relative;z-index:2}
.page-banner img.bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.crumbs{display:none}
.crumbs a:hover{color:var(--green-700)}
.page-banner h1{font-size:42px;margin:0 0 8px;color:var(--green-900);font-weight:800;text-shadow:0 2px 0 rgba(255,255,255,.6)}
.page-banner .en-title{color:#0f3d2e;font-size:20px;font-weight:700;margin-bottom:14px;text-shadow:0 1px 1px rgba(255,255,255,.9)}
.page-banner p{max-width:560px;color:#17251f;margin:0;font-weight:600;text-shadow:0 1px 1px rgba(255,255,255,.9)}

/* FEATURES inline */
.features-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.feat{display:flex;gap:12px;align-items:center}
.page-banner .feat{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(255,255,255,.88);
  border-radius:14px;
  padding:10px 12px;
  box-shadow:0 8px 24px rgba(15,61,46,.08);
  backdrop-filter:blur(6px);
}
.feat .ic{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--green-700)}
.feat .t{font-weight:700;color:var(--green-900);font-size:15px}
.feat .s{font-size:12px;color:#243d34;font-weight:600}

/* PROCESS STEPS */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:36px;
  position:relative;
}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;
}
.step .num{
  width:64px;height:64px;border-radius:50%;background:var(--green-50);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:24px;
}
.step h4{margin:0 0 6px;font-size:16px;color:var(--green-900)}
.step p{margin:0;font-size:12px;color:var(--ink-500)}

/* HOSPITAL grid */
.hospital-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.hospital{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);transition:.25s;
}
.hospital:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green-300)}
.hospital .img{aspect-ratio:4/3;position:relative;overflow:hidden;background:#cfe0d6}
.hospital .img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.hospital:hover .img img{transform:scale(1.05)}
.hospital .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.9);color:var(--green-700);font-size:12px;padding:4px 10px;border-radius:999px;font-weight:600}
.hospital .body{padding:16px}
.hospital h4{margin:0 0 4px;font-size:16px}
.hospital p{margin:0;color:var(--ink-500);font-size:12px}
.hospital .actions{display:flex;justify-content:space-between;align-items:center;margin-top:14px}
.hospital .view{
  font-size:12px;color:var(--green-700);border:1px solid var(--green-300);
  padding:6px 12px;border-radius:999px;
}

/* FILTERS */
.filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:14px}
.chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-700);cursor:pointer;
}
.chip.active{background:var(--green-700);color:#fff;border-color:var(--green-700)}

/* KNOWLEDGE - article cards */
.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.article:hover{transform:translateY(-3px);border-color:var(--green-300);box-shadow:var(--shadow)}
.article .img{aspect-ratio:16/10;background:#d6e7dd;overflow:hidden}
.article .img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.article:hover .img img{transform:scale(1.05)}
.article .body{padding:16px}
.article .cat{display:inline-block;font-size:11px;color:var(--green-700);background:var(--green-50);padding:3px 8px;border-radius:6px;margin-bottom:8px}
.article h4{margin:0 0 6px;font-size:15px;line-height:1.4}
.article .meta{font-size:12px;color:var(--ink-400);display:flex;justify-content:space-between;margin-top:10px}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
}
.input,.textarea,.select{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:14px;background:#fff;
}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px var(--green-100)}
.field{margin-bottom:14px}
.field label{font-size:13px;color:var(--ink-700);margin-bottom:6px;display:block;font-weight:500}

/* MOBILE */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:40px 0}
  .hero h1{font-size:38px}
  .hero h1 .en{font-size:22px}
  .service-grid,.case-grid,.article-grid,.tiles,.hospital-grid,.steps,.features-row,.stats,.footer .row,.contact-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat{border-right:none;border-bottom:1px solid var(--line);padding-bottom:14px}
  .nav-links{display:none}
  .nav-actions .icon-btn:not(.menu-toggle){display:none}
  .menu-toggle{display:inline-flex !important}
  .mobile-menu.open{display:block}
  .footer .row{grid-template-columns:1fr 1fr}
  .cta-banner{flex-direction:column;align-items:flex-start;text-align:left}
  .section{padding:48px 0}
}
.menu-toggle{display:none}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:14px 0}
.mobile-menu a{display:block;padding:12px 24px;color:var(--ink-700)}
.mobile-menu a.active{color:var(--green-700);background:var(--green-50)}

/* utility */
.text-center{text-align:center}
.mt-30{margin-top:30px}
.mb-0{margin-bottom:0}

/* fade-in */
.reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}

/* pager */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:28px}
.pager-btn{min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--ink-700);font-size:13px;cursor:pointer;transition:.2s}
.pager-btn:hover:not(:disabled){border-color:var(--green-500);color:var(--green-700)}
.pager-btn.active{background:var(--green-700);border-color:var(--green-700);color:var(--white);font-weight:600}
.pager-btn:disabled{opacity:.4;cursor:not-allowed}