/* =========================================================
   HOULI PURE SINE WAVE INVERTER MANUFACTURER PAGE
   Responsive / Mobile / AI-readable / SEO-friendly
   ========================================================= */

.houli-manufacturer-page{
  --navy:#082f5b;
  --navy2:#0b417a;
  --blue:#1267d6;
  --blue2:#0d57ad;
  --light:#f5f9ff;
  --light2:#edf6ff;
  --line:#d9e7f6;
  --text:#24364a;
  --muted:#64748b;
  --white:#ffffff;

  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  line-height:1.72;
  overflow:hidden;
}

.houli-manufacturer-page,
.houli-manufacturer-page *{
  box-sizing:border-box;
}

.houli-manufacturer-page img{
  max-width:100%;
}

.houli-section{
  padding:68px 24px;
}

.houli-light{
  background:var(--light);
}

.houli-container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
}

.houli-center{
  text-align:center;
}

.houli-kicker{
  margin-bottom:10px;
  color:var(--blue);
  font-size:14px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:1.7px;
  text-transform:uppercase;
}

.houli-title{
  margin:0 0 18px;
  color:var(--navy);
  font-size:38px;
  line-height:1.2;
  font-weight:700;
}

.houli-sub{
  max-width:920px;
  margin:0 auto;
  color:var(--muted);
  font-size:17px;
}

.houli-lead{
  max-width:980px;
  margin:22px auto 0;
  color:#354a61;
  font-size:18px;
}

.houli-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}

.houli-grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}

.houli-grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}

.houli-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:25px;
  box-shadow:0 8px 26px rgba(20,65,110,.055);
}

.houli-card h3{
  margin:0 0 9px;
  color:var(--navy);
  font-size:20px;
  line-height:1.35;
}

.houli-card p{
  margin:0;
  color:var(--muted);
}

.houli-stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px 12px;
  text-align:center;
}

.houli-stat strong{
  display:block;
  margin-bottom:7px;
  color:var(--blue);
  font-size:29px;
  line-height:1.1;
}

.houli-factbox{
  margin-top:34px;
  padding:27px;
  background:#fff;
  border:1px solid var(--line);
  border-left:5px solid var(--blue);
  border-radius:12px;
  text-align:left;
}

.houli-factbox h2,
.houli-factbox h3{
  margin-top:0;
  color:var(--navy);
}

.houli-fact-list{
  margin:0;
  padding-left:22px;
}

.houli-fact-list li{
  margin:7px 0;
}

.houli-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:42px;
  align-items:center;
}

.houli-img-wrap{
  width:100%;
  margin:0;
  overflow:hidden;
  background:#fff;
  border-radius:17px;
  box-shadow:0 15px 38px rgba(18,58,100,.11);
}

.houli-image{
  display:block;
  width:100%;
  height:auto;
}

.houli-caption{
  padding:12px 15px 15px;
  background:#fff;
  color:#718096;
  font-size:13px;
  line-height:1.55;
  text-align:center;
}

.houli-checks{
  margin:22px 0 0;
  padding:0;
  list-style:none;
}

.houli-checks li{
  position:relative;
  padding:7px 0 7px 29px;
}

.houli-checks li:before{
  content:"✓";
  position:absolute;
  left:0;
  top:7px;
  color:var(--blue);
  font-weight:700;
}

.houli-btn{
  display:inline-block;
  margin-top:23px;
  padding:13px 24px;
  background:var(--blue);
  border-radius:7px;
  color:#fff!important;
  font-weight:700;
  line-height:1.4;
  text-decoration:none!important;
}

.houli-btn:hover{
  background:var(--blue2);
}


/* =========================================================
   FACTORY RESPONSIVE GALLERY
   ========================================================= */

.houli-factory-gallery{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  margin-top:32px;
  align-items:start;
}

.houli-factory-item{
  margin:0;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 10px 30px rgba(18,58,100,.08);
}

.houli-factory-media{
  width:100%;
  overflow:hidden;
  background:#fff;
}

.houli-factory-item--building .houli-factory-media{
  aspect-ratio:4/3;
}

.houli-factory-item--building .houli-factory-media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}

.houli-factory-item--process .houli-factory-media{
  display:flex;
  align-items:center;
  justify-content:center;
  aspect-ratio:16/9;
  padding:8px;
}

.houli-factory-item--process .houli-factory-media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
}

.houli-factory-caption{
  padding:16px 18px 18px;
  text-align:center;
}

.houli-factory-caption strong{
  display:block;
  margin-bottom:6px;
  color:var(--navy);
  font-size:17px;
  line-height:1.4;
}

.houli-factory-caption span{
  display:block;
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
}


/* =========================================================
   CERTIFICATION
   ========================================================= */

.houli-cert-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:15px;
  margin-top:32px;
}

.houli-cert{
  padding:13px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:13px;
  text-align:center;
}

.houli-cert img{
  display:block;
  width:100%;
  height:165px;
  object-fit:contain;
}

.houli-cert strong{
  display:block;
  margin-top:8px;
  color:var(--navy);
}


/* =========================================================
   TABLE
   ========================================================= */

.houli-table-wrap{
  width:100%;
  margin-top:28px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}

.houli-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  background:#fff;
}

.houli-table th,
.houli-table td{
  padding:14px 16px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}

.houli-table th{
  background:var(--light2);
  color:var(--navy);
}


/* =========================================================
   LINKS / FAQ
   ========================================================= */

.houli-links a{
  color:var(--blue);
  font-weight:700;
  text-decoration:none;
}

.houli-faq{
  max-width:960px;
  margin:32px auto 0;
}

.houli-faq details{
  padding:18px 0;
  border-bottom:1px solid var(--line);
}

.houli-faq summary{
  color:var(--navy);
  font-size:17px;
  font-weight:700;
  cursor:pointer;
}

.houli-faq p{
  margin:11px 0 0;
  color:var(--muted);
}


/* =========================================================
   CTA
   ========================================================= */

.houli-cta-section{
  padding:70px 24px;
  background:linear-gradient(135deg,#082b53,#0b5198);
  color:#fff;
  text-align:center;
}

.houli-cta-section h2{
  margin:0 0 15px;
  color:#fff;
  font-size:36px;
  line-height:1.25;
}

.houli-cta-section p{
  max-width:820px;
  margin:0 auto;
  color:#dbeafe;
}

.houli-cta-section .houli-btn{
  margin:26px 7px 0;
  background:#fff;
  color:#0b5198!important;
}


/* =========================================================
   TABLET
   ========================================================= */

@media(max-width:1024px){

  .houli-section{
    padding:58px 22px;
  }

  .houli-title{
    font-size:34px;
  }

  .houli-grid-4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .houli-cert-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }

}


/* =========================================================
   TABLET SMALL
   ========================================================= */

@media(max-width:900px){

  .houli-split,
  .houli-grid-2{
    grid-template-columns:1fr;
  }

  .houli-grid-3{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .houli-factory-gallery{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
  }

  .houli-factory-item--building{
    grid-column:1 / -1;
  }

  .houli-factory-item--building .houli-factory-media{
    aspect-ratio:16/8;
  }

}


/* =========================================================
   MOBILE / APP
   ========================================================= */

@media(max-width:600px){

  .houli-manufacturer-page{
    font-size:15px;
  }

  .houli-section{
    padding:44px 15px;
  }

  .houli-title{
    margin-bottom:14px;
    font-size:28px;
    line-height:1.25;
  }

  .houli-sub{
    font-size:15px;
  }

  .houli-lead{
    font-size:16px;
  }

  .houli-kicker{
    font-size:12px;
    letter-spacing:1.2px;
  }

  .houli-grid-2,
  .houli-grid-3,
  .houli-grid-4{
    grid-template-columns:1fr;
    gap:15px;
  }

  .houli-card{
    padding:20px;
    border-radius:13px;
  }

  .houli-card h3{
    font-size:18px;
  }

  .houli-stat{
    padding:18px 10px;
  }

  .houli-stat strong{
    font-size:25px;
  }

  .houli-factbox{
    padding:20px;
  }

  .houli-img-wrap{
    border-radius:13px;
  }

  .houli-caption{
    padding:10px 12px 13px;
    font-size:12px;
  }

  .houli-factory-gallery{
    grid-template-columns:1fr;
    gap:15px;
    margin-top:22px;
  }

  .houli-factory-item--building{
    grid-column:auto;
  }

  .houli-factory-item{
    border-radius:14px;
  }

  .houli-factory-item--building .houli-factory-media{
    aspect-ratio:4/3;
  }

  .houli-factory-item--process .houli-factory-media{
    aspect-ratio:auto;
    padding:5px;
  }

  .houli-factory-item--process .houli-factory-media img{
    width:100%;
    height:auto;
    object-fit:contain;
  }

  .houli-factory-caption{
    padding:13px 13px 15px;
  }

  .houli-factory-caption strong{
    font-size:16px;
  }

  .houli-factory-caption span{
    font-size:13px;
  }

  .houli-cert-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
  }

  .houli-cert img{
    height:140px;
  }

  .houli-btn{
    width:100%;
    max-width:100%;
    margin-top:18px;
    padding:13px 15px;
    text-align:center;
  }

  .houli-cta-section{
    padding:50px 15px;
  }

  .houli-cta-section h2{
    font-size:28px;
  }

  .houli-cta-section .houli-btn{
    width:100%;
    margin:12px 0 0;
  }

}

@media(max-width:380px){

  .houli-section{
    padding-left:12px;
    padding-right:12px;
  }

  .houli-title{
    font-size:25px;
  }

  .houli-cert-grid{
    grid-template-columns:1fr;
  }

}