:root{--emd-blue:#3581cf;
  --emd-blue-dark:#2a6db5;
  --emd-blue-site:#046bd2;
  --emd-blue-light:#eaf2fb;
  --emd-ink:#111111;
  --emd-text:#333333;
  --emd-muted:#6b7280;
  --emd-line:#e5e7eb;
  --emd-bg-soft:#f4f6f9;
  --emd-dark:#0f1a2b;
  --font-head:"Outfit","Galano Grotesque","Segoe UI",Arial,sans-serif;
  --font-body:"Inter","HarmonyOS Sans","MiSans","Segoe UI",Arial,sans-serif;
  --container:1500px;   
  --radius:12px;
  --shadow:0 10px 30px rgba(15,26,43,.10);}
.emd *,.emd *::before,.emd *::after{box-sizing:border-box}
.emd{margin:0;font-family:var(--font-body);color:var(--emd-text);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
.emd img{max-width:100%;height:auto;display:block}
.emd a{color:inherit;text-decoration:none}
.emd h1,.emd h2,.emd h3,.emd h4{font-family:var(--font-head);color:var(--emd-ink);margin:0;line-height:1.15}
.emd p{margin:0}
.emd ul{margin:0;padding:0;list-style:none}
.emd button,.emd input,.emd select,.emd textarea{font:inherit}
.emd .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.emd .container--narrow{width:min(1200px,calc(100% - 40px));margin-inline:auto}
.emd .section{padding:clamp(48px,6vw,96px) 0}
.emd .section--soft{background:var(--emd-bg-soft)}
.emd .section--tight{padding:clamp(32px,4vw,56px) 0}
.emd .text-center{text-align:center}
.emd .blue{color:var(--emd-blue)}
.emd .uppercase{text-transform:uppercase}
.emd .hero{position:relative;min-height:clamp(480px,56vw,1080px);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background:#0b1320 center/cover no-repeat;isolation:isolate;overflow:hidden}
.emd .hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.6));z-index:-1}
.emd .hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.75}
.emd .hero__logo{position:absolute;top:clamp(40px,7vw,130px);left:50%;transform:translateX(-50%);width:clamp(70px,6vw,115px)}
.emd .hero__inner{padding:clamp(120px,14vw,200px) 20px clamp(100px,12vw,220px);max-width:1500px}
.emd .hero__title{font-size:clamp(34px,4.6vw,88px);font-weight:700;color:#fff;letter-spacing:.01em}
.emd .hero__subtitle{margin-top:clamp(14px,1.6vw,30px);font-family:var(--font-head);font-weight:700;font-size:clamp(15px,1.6vw,31px);color:#fff}
.emd .hero__subtitle--light{font-family:var(--font-body);font-weight:400}
.emd .hero--left{text-align:left;justify-content:flex-start}
.emd .hero--left .hero__inner{width:min(var(--container),calc(100% - 40px))}
.emd .hero--short{min-height:clamp(380px,42vw,800px)}
.emd .subnav{position:relative;z-index:2;margin-top:clamp(-66px,-6vw,-40px)}
.emd .subnav__list{display:flex;background:#fff;box-shadow:var(--shadow);border-radius:4px;overflow:hidden}
.emd .subnav__list li{flex:1;border-right:1px solid var(--emd-line)}
.emd .subnav__list li:last-child{border-right:0}
.emd .subnav__list a{display:flex;align-items:center;justify-content:center;height:clamp(56px,7vw,132px);font-family:var(--font-head);font-weight:700;font-size:clamp(13px,1.25vw,24px);color:var(--emd-ink);transition:background .2s,color .2s}
.emd .subnav__list a:hover{background:var(--emd-blue-light)}
.emd .subnav__list li.is-active a,.emd .subnav__list a.is-active{background:var(--emd-blue);color:#fff}
.emd .tabrow{display:flex;flex-wrap:wrap;justify-content:center;gap:0 clamp(16px,2.2vw,42px);border-bottom:1px solid var(--emd-line);background:#fff}
.emd .tabrow a{padding:22px 4px 18px;font-size:clamp(12px,.85vw,16px);color:var(--emd-text);border-bottom:3px solid transparent}
.emd .tabrow a.is-active{color:var(--emd-blue);border-bottom-color:var(--emd-blue)}
.emd .sec-head{text-align:center;margin-bottom:clamp(28px,4vw,64px)}
.emd .sec-head__title{font-size:clamp(24px,2vw,38px);font-weight:600;text-transform:uppercase;letter-spacing:.02em;font-family:var(--font-body)}
.emd .sec-head__title--head{font-family:var(--font-head);font-weight:700;text-transform:none}
.emd .sec-head__bar{width:70px;height:4px;background:var(--emd-blue);margin:14px auto 0;border-radius:2px}
.emd .sec-head__sub{margin-top:18px;font-size:clamp(14px,.95vw,18px);color:var(--emd-text)}
.emd .sec-head--left{text-align:left}
.emd .sec-head--left .sec-head__bar{margin-left:0}
.emd .sec-title-blue{font-size:clamp(26px,2.5vw,48px);font-weight:700;color:var(--emd-blue);text-transform:uppercase;text-align:center}
.emd .lead{font-size:clamp(15px,1.1vw,21px);text-align:center;color:var(--emd-ink);margin-top:12px}
.emd .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 32px;border-radius:999px;background:var(--emd-blue);color:#fff;font-weight:600;font-size:clamp(14px,1vw,20px);border:0;cursor:pointer;transition:background .2s,transform .2s;white-space:nowrap}
.emd .btn:hover{background:var(--emd-blue-dark);transform:translateY(-1px)}
.emd .btn--square{border-radius:4px}
.emd .btn--outline{background:transparent;border:2px solid var(--emd-blue);color:var(--emd-blue)}
.emd .btn--outline:hover{background:var(--emd-blue);color:#fff}
.emd .btn--light{background:#fff;color:var(--emd-blue)}
.emd .btn-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:clamp(24px,3vw,48px)}
.emd .link-arrow{color:var(--emd-ink);font-weight:500}
.emd .link-arrow::after{content:" >";color:var(--emd-blue)}
.emd .grid{display:grid;gap:clamp(16px,2vw,36px)}
.emd .grid--2{grid-template-columns:repeat(2,1fr)}
.emd .grid--3{grid-template-columns:repeat(3,1fr)}
.emd .grid--4{grid-template-columns:repeat(4,1fr)}
.emd .grid--6{grid-template-columns:repeat(6,1fr)}
.emd .card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.emd .card__img{aspect-ratio:4/3;object-fit:cover;width:100%}
.emd .card__body{padding:18px 20px 22px}
.emd .card__title{font-size:clamp(15px,1.05vw,20px);font-weight:600;color:var(--emd-ink)}
.emd .card__meta{margin-top:6px;font-size:clamp(12px,.8vw,15px);color:var(--emd-muted)}
.emd .card--soft{background:var(--emd-bg-soft);box-shadow:none}
.emd .pin::before{content:"";display:inline-block;width:.9em;height:.9em;margin-right:6px;vertical-align:-.1em;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233581cf'><path d='M12 2a7 7 0 0 0-7 7c0 5.25 7 13 7 13s7-7.75 7-13a7 7 0 0 0-7-7zm0 9.5A2.5 2.5 0 1 1 12 6.5a2.5 2.5 0 0 1 0 5z'/></svg>") center/contain no-repeat}
.emd .imgcard{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;background:#ddd}
.emd .imgcard img{width:100%;height:100%;object-fit:cover}
.emd .imgcard__cap{position:absolute;inset:auto 0 0 0;padding:22px;color:#fff;background:linear-gradient(180deg,transparent,rgba(0,0,0,.75))}
.emd .imgcard__cap h3{color:#fff;font-size:clamp(16px,1.2vw,23px);font-weight:600}
.emd .imgcard__cap p{font-size:clamp(12px,.85vw,16px);opacity:.9;margin-top:4px}
.emd .cert{text-align:center}
.emd .cert__frame{position:relative;background:#fff;border:1px solid #e3e6ea;box-shadow:0 10px 25px rgba(0,0,0,.08);padding:12px;border-radius:4px}
.emd .cert__frame::before,.emd .cert__frame::after{content:"";position:absolute;top:8px;width:7px;height:7px;border-radius:50%;background:#c5c9cf;box-shadow:0 calc(100% + 1px) 0 0 #c5c9cf}
.emd .cert__frame::before{left:8px}
.emd .cert__frame::after{right:8px}
.emd .cert__frame img{aspect-ratio:306/441;object-fit:cover;width:100%}
.emd .cert__label{margin-top:22px;font-size:clamp(13px,.95vw,18px);color:var(--emd-ink)}
.emd .stats{display:flex;justify-content:center;gap:clamp(24px,6vw,120px);flex-wrap:wrap;text-align:center}
.emd .stat__num{font-family:var(--font-head);font-size:clamp(28px,2.6vw,50px);font-weight:700;color:var(--emd-blue)}
.emd .stat__num sup{font-size:.45em;vertical-align:top;top:.2em;position:relative}
.emd .stat__label{font-size:clamp(11px,.75vw,14px);color:var(--emd-muted);margin-top:4px}
.emd .spec{background:var(--emd-bg-soft);border-radius:var(--radius);padding:clamp(18px,2vw,36px)}
.emd .spec h4{text-align:center;font-size:clamp(13px,.9vw,16px);font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px}
.emd .spec table{width:100%;border-collapse:collapse;font-size:clamp(12px,.8vw,14px)}
.emd .spec td{padding:10px 4px;border-bottom:1px solid #e1e5ea;vertical-align:top}
.emd .spec td:first-child{color:var(--emd-muted);width:36%}
.emd .spec td:last-child{text-align:right;color:var(--emd-ink)}
.emd .spec tr:last-child td{border-bottom:0}
.emd .kv{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;font-size:clamp(12px,.85vw,15px);margin:0}
.emd .kv dt{color:var(--emd-ink);font-weight:600}
.emd .kv dd{margin:2px 0 0;color:var(--emd-text)}
.emd .compare{width:100%;border-collapse:collapse;font-size:clamp(13px,.95vw,17px);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.emd .compare th,.emd .compare td{padding:16px 22px;border-bottom:1px solid var(--emd-line);text-align:left}
.emd .compare th{font-weight:600;text-align:center}
.emd .compare td:not(:first-child){text-align:center}
.emd .compare td:first-child{color:var(--emd-muted)}
.emd .process{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;text-align:center}
.emd .process__step{position:relative;padding-top:10px}
.emd .process__num{font-family:var(--font-head);font-size:clamp(28px,3vw,58px);font-weight:700;color:var(--emd-blue);line-height:1}
.emd .process__circle{width:clamp(90px,8vw,150px);height:clamp(90px,8vw,150px);margin:-10px auto 0;border-radius:50%;border:2px solid var(--emd-blue);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px;background:#fff}
.emd .process__circle img{width:34%;margin-bottom:6px}
.emd .process__title{font-weight:600;font-size:clamp(12px,.85vw,15px);color:var(--emd-ink)}
.emd .process__desc{font-size:clamp(10px,.65vw,12px);color:var(--emd-muted);margin-top:4px}
.emd .faq__item{padding:14px 0}
.emd .faq__q{display:flex;gap:14px;align-items:flex-start;cursor:pointer;background:none;border:0;width:100%;text-align:left;padding:0}
.emd .faq__a{display:flex;gap:14px;align-items:flex-start;margin-top:10px}
.emd .badge{flex:0 0 auto;width:30px;height:30px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:17px}
.emd .badge--q{background:var(--emd-blue)}
.emd .badge--a{background:var(--emd-ink)}
.emd .faq__q h3{font-size:clamp(14px,1vw,18px);font-weight:600;text-transform:uppercase;padding-top:4px;font-family:var(--font-body)}
.emd .faq__a p{font-size:clamp(13px,.85vw,15px);padding-top:5px}
.emd .feature{display:flex;gap:22px;align-items:flex-start}
.emd .feature img{width:clamp(60px,5.5vw,110px);flex:0 0 auto}
.emd .feature h3{font-size:clamp(16px,1.3vw,25px);font-weight:700;text-transform:uppercase}
.emd .feature p{margin-top:8px;font-size:clamp(13px,.85vw,15px)}
.emd .feature--card{background:var(--emd-bg-soft);border-radius:var(--radius);padding:clamp(18px,1.8vw,32px);align-items:flex-start;justify-content:space-between}
.emd .feature--card h3{font-size:clamp(15px,1.05vw,20px)}
.emd .pills{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.emd .pill{display:flex;align-items:center;justify-content:center;height:clamp(52px,4.6vw,88px);border-radius:14px;border:1px solid var(--emd-line);background:#fff;font-weight:600;font-size:clamp(13px,.95vw,18px);color:var(--emd-ink);box-shadow:var(--shadow);cursor:pointer}
.emd .pill.is-active{background:var(--emd-blue);color:#fff;border-color:var(--emd-blue)}
.emd .case-block{background:var(--emd-bg-soft);border-radius:28px;padding:clamp(24px,3vw,56px)}
.emd .case-block__head{text-align:center;margin-bottom:clamp(18px,2vw,36px)}
.emd .case-block__head h2{font-size:clamp(20px,1.8vw,34px);font-weight:600;text-transform:uppercase;font-family:var(--font-body)}
.emd .case-block__head p{margin-top:8px;font-size:clamp(13px,.9vw,16px)}
.emd .climate{display:grid;grid-template-columns:1fr 1fr;border-radius:18px;overflow:hidden;background:var(--emd-blue)}
.emd .climate img.map{width:100%;height:100%;object-fit:cover;min-height:200px}
.emd .climate__icons{display:grid;grid-template-columns:repeat(4,1fr);align-items:center;padding:24px;color:#fff;text-align:center;font-size:clamp(10px,.7vw,13px)}
.emd .climate__icons img{width:clamp(44px,4vw,80px);margin:0 auto 8px}
.emd .cta{position:relative;color:#fff;background:#0d1626;overflow:hidden;isolation:isolate}
.emd .cta__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.2;z-index:-1}
.emd .cta__inner{padding:clamp(48px,5vw,90px) 0 clamp(40px,4vw,70px)}
.emd .cta__top{display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap}
.emd .cta__tag{display:inline-block;background:var(--emd-blue);color:#fff;font-weight:600;font-size:clamp(14px,1.2vw,23px);padding:20px 24px;text-transform:uppercase;letter-spacing:.02em}
.emd .cta__note{flex:1;min-width:260px;font-size:clamp(12px,.85vw,16px);line-height:1.6;opacity:.95;padding-top:4px}
.emd .cta__form{margin-top:clamp(28px,3vw,56px);display:grid;grid-template-columns:repeat(3,1fr);gap:40px clamp(24px,2.5vw,50px)}
.emd .cta__field label{display:block;font-weight:500;font-size:clamp(13px,.95vw,18px);margin-bottom:12px}
.emd .cta__field label .req{color:#ff3b3b;margin-right:6px}
.emd .cta__field input,.emd .cta__field select,.emd .cta__field textarea{width:100%;background:transparent;border:0;border-bottom:2px solid #fff;color:#fff;padding:8px 0;outline:none}
.emd .cta__field select option{color:#111}
.emd .cta__field--wide{grid-column:1/-1;max-width:560px}
.emd .cta__actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:clamp(28px,3vw,50px)}
.emd .cta__actions .btn{padding:14px 44px;border-radius:6px}
.emd .cta__actions small{font-size:clamp(12px,.85vw,16px);opacity:.95}
.emd .cta__title{font-size:clamp(32px,3.7vw,72px);color:#fff;font-weight:700;margin-bottom:24px}
.emd .social-rail{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;align-items:flex-end;gap:2px}
.emd .social-rail a{position:relative;display:flex;align-items:center;justify-content:flex-end;box-sizing:border-box;height:44px;width:44px;min-width:44px;max-width:44px;padding:0;overflow:hidden;background:var(--emd-blue);color:#fff;white-space:nowrap;font-weight:600;font-size:15px;line-height:1;transition:max-width .25s ease,width .25s ease,background .2s}
.emd .social-rail a:hover,.emd .social-rail a:focus-visible{width:max-content;max-width:360px;background:#0c66c2}
.emd .social-rail a img{display:block;width:22px;height:22px;max-width:22px;max-height:22px;flex:0 0 22px;margin:0 11px;object-fit:contain;filter:brightness(0) invert(1)}
.emd .social-rail a::before{flex:0 0 auto;color:#fff;font-size:15px;font-weight:600;line-height:1}
.emd .social-rail a[aria-label]::before{content:attr(aria-label);padding:0 6px 0 14px}
.emd .social-rail a[href^="mailto:"]::before{content:"info@emddoors.com"}
.emd .social-rail .social-rail__phone{display:flex;align-items:center;justify-content:flex-end;font-size:0;line-height:1;width:44px;max-width:44px;padding:0;overflow:hidden;background:var(--emd-blue)}
.emd .social-rail .social-rail__phone::before{content:"+86 181 2577 3941";flex:0 0 auto;padding:0 6px 0 14px;font-size:15px;font-weight:600;line-height:1;color:#fff}
.emd .social-rail .social-rail__phone img{float:none;flex:0 0 22px;margin:0 11px}
.emd .social-rail .social-rail__phone:hover,.emd .social-rail .social-rail__phone:focus-visible{width:max-content;max-width:360px;padding:0;background:#0c66c2}
@media (max-width:1024px){.emd .grid--4,.emd .grid--6{grid-template-columns:repeat(3,1fr)}
.emd .process{grid-template-columns:repeat(3,1fr);row-gap:28px}
.emd .cta__form{grid-template-columns:1fr 1fr}
.emd .climate{grid-template-columns:1fr}

}@media (max-width:720px){.emd .grid--2,.emd .grid--3,.emd .grid--4,.emd .grid--6{grid-template-columns:repeat(2,1fr)}
.emd .pills{grid-template-columns:repeat(2,1fr)}
.emd .process{grid-template-columns:repeat(2,1fr)}
.emd .subnav__list{flex-wrap:wrap}
.emd .subnav__list li{flex:1 1 50%;border-bottom:1px solid var(--emd-line)}
.emd .cta__form{grid-template-columns:1fr}
.emd .social-rail{display:none}
.emd .kv{grid-template-columns:1fr}

}@media (max-width:480px){.emd .grid--2,.emd .grid--3,.emd .grid--4,.emd .grid--6{grid-template-columns:1fr}
.emd .hero__inner{padding-top:120px}

}