:root{
  --navy:#0f3167;
  --teal:#16b0b8;
  --deep:#10213e;
  --muted:#60708b;
  --line:#dbe7f4;
  --light:#f6fbff;
  --green:#10a95f;
  --shadow:0 18px 54px rgba(15,49,103,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;color:var(--deep);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,92%);margin:auto}
.card-shadow{box-shadow:var(--shadow)}

.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #e8eef6}
.nav-wrap{min-height:88px;display:flex;align-items:center;gap:28px}
.brand img{width:300px}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{font-weight:700;color:#24395c;font-size:15px;position:relative}
.nav a:hover{color:var(--teal)}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;border-radius:999px;background:transparent}
.nav a:hover::after{background:var(--teal)}
.menu-btn{display:none;margin-left:auto;border:0;background:#eef4fb;color:var(--navy);font-size:25px;border-radius:10px;padding:7px 11px;cursor:pointer}
.wa-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fff;padding:13px 20px;border-radius:12px;font-weight:800;box-shadow:0 10px 24px rgba(16,169,95,.25)}
.wa-top{flex-direction:column;line-height:1.05;padding:11px 18px;min-width:180px}
.wa-top span{font-size:12px;margin-top:4px}

.hero{padding:42px 0;background:linear-gradient(130deg,#fbfdff 0%,#eef6fc 46%,#e1f6f7 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:.09em;font-weight:900;color:var(--teal);margin-bottom:14px}
.hero h1{font-size:62px;line-height:1.02;margin:0;color:var(--navy);letter-spacing:-.03em}
.accent{width:62px;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--teal),#5fd7de);margin:24px 0}
.hero-copy p{font-size:18px;line-height:1.78;color:#465774;margin:0}
.highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.highlights div{background:rgba(255,255,255,.72);border:1px solid rgba(15,49,103,.08);border-radius:18px;padding:18px 16px}
.highlights strong,.highlights span{display:block}
.highlights strong{font-size:15px;color:var(--navy)}
.highlights span{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.5}
.hero-actions{margin-top:26px}
.hero-media{background:#fff;border-radius:28px;padding:12px;overflow:hidden}
.hero-media img{border-radius:22px;width:100%;height:auto}

.section{padding:84px 0}
.light{background:var(--light)}
.about-grid,.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.image-card,.quality-media{border-radius:24px;overflow:hidden;background:#fff}
.image-card img,.quality-media img{width:100%;height:auto}
.about-copy h2,.section-head h2,.quality-copy h2,.contact-copy h2{font-size:40px;line-height:1.15;color:var(--navy);margin:0 0 18px;letter-spacing:-.02em}
.about-copy p,.section-head p,.quality-copy p,.contact-copy p{color:#52627d;line-height:1.78;margin:0}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.stats-grid div{border-top:2px solid #dfe9f4;padding-top:14px}
.stats-grid b,.stats-grid span{display:block}
.stats-grid b{color:var(--navy);font-size:14px}
.stats-grid span{margin-top:6px;color:var(--muted);font-size:12px;line-height:1.5}
.section-head{max-width:840px;margin:0 auto 36px}
.center{text-align:center}
.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid #e4edf6}
.feature-card img{width:100%;height:180px;object-fit:cover}
.card-body{padding:20px}
.card-body h3{margin:0 0 10px;color:var(--navy);font-size:20px}
.card-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.68}
.quality-section{background:linear-gradient(100deg,#fbfdff 0%,#f1fbfc 100%)}
.check-list{padding:0;margin:24px 0 0;list-style:none;display:grid;gap:14px}
.check-list li{padding-left:28px;position:relative;color:#44536d;line-height:1.65}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal);font-weight:900}
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefits-grid div{background:#fff;border:1px solid #e3ebf5;border-radius:20px;padding:28px 24px;box-shadow:0 10px 28px rgba(15,49,103,.05)}
.benefits-grid h3{margin:0 0 10px;color:var(--navy);font-size:20px}
.benefits-grid p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
.contact-section{padding:10px 0 90px}
.contact-card{display:grid;grid-template-columns:300px 1fr 330px;gap:30px;align-items:center;background:linear-gradient(110deg,#f4fbfd,#ebf7fb);border-radius:28px;padding:26px;overflow:hidden}
.contact-image{border-radius:18px;overflow:hidden}
.contact-image img{width:100%;height:210px;object-fit:cover}
.contact-panel{background:#fff;border:1px solid #dceaf1;border-radius:20px;padding:28px;text-align:center}
.contact-panel span,.contact-panel strong{display:block}
.contact-panel span{font-weight:800;color:#264765}
.contact-panel strong{font-size:38px;line-height:1.1;color:var(--green);margin:10px 0 18px}
.site-footer{background:#0c2d5d;color:#fff;padding:42px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-brand img{width:270px;filter:brightness(0) invert(1)}
.footer-brand p{font-size:13px;line-height:1.7;opacity:.82;max-width:360px}
.site-footer h4{margin:8px 0 16px;font-size:16px}
.site-footer a,.site-footer span{display:block;margin:10px 0;color:rgba(255,255,255,.8);font-size:14px}
.site-footer a:hover{color:#fff}
.copyright{text-align:center;padding:18px;margin-top:28px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;opacity:.7}

@media(max-width:1024px){
  .nav,.wa-top{display:none}
  .menu-btn{display:block}
  .nav.open{display:flex;position:absolute;top:88px;left:0;right:0;background:#fff;padding:20px 5%;flex-direction:column;gap:18px;border-bottom:1px solid #e7edf5}
  .hero-grid,.about-grid,.quality-grid,.contact-card{grid-template-columns:1fr}
  .four-grid,.benefits-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .brand img{width:270px}
}
@media(max-width:640px){
  .container{width:min(92%,100%)}
  .nav-wrap{min-height:76px}
  .nav.open{top:76px}
  .brand img{width:220px}
  .hero{padding:28px 0}
  .hero h1{font-size:42px}
  .hero-copy p{font-size:16px}
  .highlights,.stats-grid,.four-grid,.benefits-grid,.footer-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .about-copy h2,.section-head h2,.quality-copy h2,.contact-copy h2{font-size:31px}
  .feature-card img{height:170px}
  .contact-card{padding:18px}
  .contact-image img{height:auto}
  .contact-panel strong{font-size:30px}
}