/* ========== Reset & Base ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-darkest:#0a0a0a;
  --bg-dark:#111111;
  --bg-dark2:#1a1a1a;
  --bg-dark3:#222222;
  --color-red:#e53935;
  --color-red-dark:#c62828;
  --color-white:#ffffff;
  --color-gray:#999999;
  --color-gray-light:#cccccc;
  --color-gray-dark:#666666;
  --bg-light:#f5f5f5;
  --header-h:72px;
  --max-w:1400px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-darkest);
  color:var(--color-white);
  line-height:1.6;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
img[data-ph]{background-color:#222222}
ul{list-style:none}

/* ========== Header ========== */
.header{
  position:fixed;top:0;left:0;right:0;
  height:var(--header-h);
  background:#fff;
  backdrop-filter:blur(10px);
  z-index:1000;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.header-inner{
  max-width:var(--max-w);height:100%;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 50px;
}
.logo img{height:62px;width:auto}
.main-nav > ul{
  display:flex;gap:48px;align-items:center;
}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{
  font-size:17px;color:#000000;
  transition:color .25s;
  padding:6px 0;display:block;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active{
  color:var(--color-red);
}
.main-nav > ul > li > a.active{position:relative}
.main-nav > ul > li > a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-4px;
  height:2px;background:var(--color-red);
}
.submenu{
  position:absolute;top:100%;left:50%;
  min-width:160px;
  background:rgba(20,20,20,.98);
  border:1px solid rgba(255,255,255,.08);
  border-radius:6px;
  padding:8px 0;
  opacity:0;visibility:hidden;
  transform:translateX(-50%) translateY(10px);
  transition:all .25s;
  z-index:1001;
}
.submenu:not(:has(li)){display:none!important}
.lang-switch{position:relative}
.lang-switch::after{
  content:'';position:absolute;top:100%;left:0;right:0;height:10px;
}
.lang-switch:hover .lang-dropdown{
  opacity:1;visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.main-nav li:hover .submenu{
  opacity:1;visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.submenu li a{
  display:block;padding:8px 20px;
  font-size:15px;color:var(--color-gray-light);
  transition:all .2s;white-space:nowrap;
}
.submenu li a:hover{
  color:var(--color-red);background:rgba(229,57,53,.1);
}
.header-actions{display:flex;align-items:center;gap:20px}
.icon-btn{
  background:none;border:none;cursor:pointer;
  color:var(--color-gray-light);font-size:20px;
  padding:6px;transition:color .25s;
  display:flex;align-items:center;
}
.icon-btn:hover{color:var(--color-red)}
.icon-btn svg{width:22px;height:22px}
.btn-quote{
  background:var(--color-red);color:#fff;
  padding:10px 26px;border-radius:4px;
  font-size:16px;font-weight:500;
  transition:background .25s;cursor:pointer;border:none;
}
.btn-quote:hover{background:var(--color-red-dark)}

/* ========== Hero Carousel ========== */
.hero{
  position:relative;
  min-height:100vh;
  background:var(--bg-darkest);
  overflow:hidden;
}
.hero-slider{
  position:relative;
  width:100%;height:100vh;
  min-height:600px;
}
.hero-slide{
  position:absolute;inset:0;
  opacity:0;
  transition:opacity .8s ease;
  display:flex;align-items:center;justify-content:center;
}
.hero-slide.active{opacity:1;z-index:1}
.hero-slide .hero-bg{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
  z-index:0;
}
.hero-slide .hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to bottom,rgba(10,10,10,.6) 0%,rgba(10,10,10,.4) 40%,rgba(10,10,10,.75) 100%);
}
.hero-content{
  text-align:center;z-index:2;
  max-width:820px;padding:0 30px;
}
.hero-content h1{
  font-size:52px;font-weight:700;
  color:#fff;margin-bottom:22px;
  letter-spacing:3px;
}
.hero-content p{
  font-size:17px;color:var(--color-gray-light);
  line-height:1.9;margin-bottom:38px;
}
.hero-arrow{
  position:absolute;top:50%;
  transform:translateY(-50%);
  width:48px;height:48px;
  background:rgba(255,255,255,.1);
  border:none;border-radius:50%;
  color:#fff;font-size:20px;
  cursor:pointer;z-index:10;
  display:flex;align-items:center;justify-content:center;
  transition:background .25s;
  backdrop-filter:blur(4px);
}
.hero-arrow:hover{background:var(--color-red)}
.hero-arrow.prev{left:30px}
.hero-arrow.next{right:30px}
.hero-dots{
  position:absolute;bottom:40px;left:50%;
  transform:translateX(-50%);
  display:flex;gap:10px;z-index:10;
}
.hero-dot{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,.3);
  cursor:pointer;transition:all .25s;
}
.hero-dot.active{
  background:var(--color-red);
  width:28px;border-radius:5px;
}
.btn-primary{
  display:inline-block;
  background:var(--color-red);color:#fff;
  padding:14px 44px;border-radius:4px;
  font-size:16px;font-weight:500;
  transition:all .25s;
}
.btn-primary:hover{
  background:var(--color-red-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(229,57,53,.35);
}

/* ========== Products Section ========== */
.products{
  background:var(--bg-dark);
  padding-bottom:70px;
}
.product-tabs{
  background:var(--color-red);
  display:flex;justify-content:center;gap:0;
  padding:0 30px;
}
.product-tabs a{
  color:rgba(255,255,255,.8);
  font-size:16px;
  padding:18px 32px;
  transition:color .2s;
  position:relative;white-space:nowrap;
}
.product-tabs a:hover{color:#fff}
.product-tabs a.active{color:#fff}
.product-tabs a.active::after{
  content:'';position:absolute;left:50%;bottom:10px;
  transform:translateX(-50%);
  width:28px;height:2px;background:#fff;
}
.product-grid{
  max-width:var(--max-w);margin:0 auto;
  padding:50px 50px 0;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.product-card{
  position:relative;border-radius:10px;
  overflow:hidden;cursor:pointer;
  aspect-ratio:4/3;
  min-height:220px;
  background:var(--bg-dark3);
}
.product-card img{
  width:100%;height:100%;object-fit:contain;
  transition:transform .4s;
}
.product-card:hover img{transform:scale(1.06)}
.product-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.85) 0%,rgba(0,0,0,.2) 50%,transparent 100%);
}
.product-card .card-label{
  position:absolute;bottom:20px;left:24px;z-index:2;
  color:#fff;font-size:19px;font-weight:600;
}
.product-card .card-label::before{
  content:'';display:block;width:30px;height:2px;
  background:var(--color-red);margin-bottom:10px;
}
.product-panel{display:none}
.product-panel.active{display:block}

/* ========== Stats Section ========== */
.stats-section{
  background:var(--bg-dark);
  padding:60px 0;
  border-top:1px solid rgba(255,255,255,.05);
}
.stats-grid{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  text-align:center;
}
.stat-item .stat-num{
  font-size:48px;font-weight:800;color:var(--color-red);
  margin-bottom:8px;
}
.stat-item .stat-label{
  font-size:15px;color:var(--color-gray);
}

/* ========== CTA Section ========== */
.cta-section{
  background:var(--color-red);
  padding:60px 0;
  text-align:center;
}
.cta-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
}
.cta-inner h2{
  font-size:32px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:16px;color:rgba(255,255,255,.85);
  margin-bottom:30px;
}
.btn-white{
  display:inline-block;
  background:#fff;color:var(--color-red);
  padding:14px 44px;border-radius:4px;
  font-size:16px;font-weight:600;
  transition:all .25s;
}
.btn-white:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.2);
}

/* ========== Page Hero (Inner Pages) ========== */
.page-hero{
  position:relative;
  min-height:400px;
  display:flex;align-items:center;justify-content:center;
  padding-top:var(--header-h);
  overflow:hidden;
  background:var(--bg-darkest);
}
.page-hero-bg{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
  z-index:0;
}
.page-hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to bottom,rgba(10,10,10,.6) 0%,rgba(10,10,10,.75) 100%);
}
.page-hero-content{
  position:relative;z-index:2;
  text-align:center;
}
.page-hero-content h1{
  font-size:42px;font-weight:700;color:#fff;
  margin-bottom:8px;letter-spacing:2px;
}
.page-hero-content .en-title{
  font-size:18px;color:var(--color-gray);
  letter-spacing:4px;text-transform:uppercase;
}

/* ========== About Page ========== */
.about-intro{
  background:var(--bg-dark);
  display:flex;
  max-width:var(--max-w);
  margin:0 auto;
  min-height:480px;
}
.about-intro-left{
  flex:0 0 40%;
  position:relative;
  overflow:hidden;
  padding:30px;
}
.about-intro-left img{
  width:100%;height:100%;object-fit:cover;
  border-radius:12px;
}
.about-intro-right{
  flex:1;
  padding:60px;
  display:flex;flex-direction:column;justify-content:center;
}
.about-intro-right h2{
  font-size:28px;font-weight:700;color:#fff;
  margin-bottom:24px;
}
.about-intro-right .intro-text{
  font-size:15px;color:var(--color-gray-light);
  line-height:2;margin-bottom:30px;
}
.about-features{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.about-feature-item{
  display:flex;align-items:center;gap:12px;
  font-size:15px;color:#fff;
}
.about-feature-item .check{
  width:24px;height:24px;border-radius:50%;
  background:rgba(229,57,53,.2);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.about-feature-item .check svg{
  width:14px;height:14px;color:var(--color-red);
}
.about-section{
  display:flex;align-items:stretch;
  max-width:var(--max-w);
  margin:0 auto;
  min-height:420px;
}
.about-section.reverse{flex-direction:row-reverse}
.about-section-text{
  flex:1;padding:60px;
  display:flex;flex-direction:column;justify-content:center;
}
.about-section-text h2{
  font-size:28px;font-weight:700;color:#fff;
  margin-bottom:20px;
}
.about-section-text .section-desc{
  font-size:15px;color:var(--color-gray-light);
  line-height:2;
}
.about-section-img{
  flex:0 0 50%;
  overflow:hidden;position:relative;
  padding:30px;
}
.about-section-img img{
  width:100%;height:100%;object-fit:cover;
  border-radius:12px;
}

/* ========== Contact Page ========== */
.contact-main{
  background:var(--bg-darkest);
  padding:80px 0;
}
.contact-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
}
.contact-form-box{
  background:var(--bg-dark2);
  border-radius:12px;
  padding:40px;
}
.contact-form-box h2{
  font-size:24px;font-weight:700;color:#fff;
  margin-bottom:8px;
}
.contact-form-box .subtitle{
  font-size:14px;color:var(--color-gray);
  margin-bottom:30px;
}
.contact-form-box .form-group{margin-bottom:20px}
.contact-form-box label{
  display:block;font-size:14px;
  color:var(--color-gray-light);margin-bottom:8px;
}
.contact-form-box input,
.contact-form-box textarea,
.contact-form-box select{
  width:100%;padding:12px 16px;
  background:var(--bg-dark3);
  border:1px solid rgba(255,255,255,.08);
  border-radius:6px;
  color:#fff;font-size:15px;
  font-family:inherit;
  transition:border-color .2s;
}
.contact-form-box input:focus,
.contact-form-box textarea:focus,
.contact-form-box select:focus{
  outline:none;border-color:var(--color-red);
}
.contact-form-box input::placeholder,
.contact-form-box textarea::placeholder{
  color:var(--color-gray-dark);
}
.contact-info-side{
  display:flex;flex-direction:column;gap:24px;
}
.contact-info-card{
  background:var(--bg-dark2);
  border-radius:12px;
  padding:32px;
  border-left:3px solid var(--color-red);
}
.contact-info-card h3{
  font-size:18px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.contact-info-card ul li{
  display:flex;align-items:flex-start;gap:12px;
  margin-bottom:14px;
  font-size:15px;color:var(--color-gray-light);
}
.contact-info-card ul li svg{
  width:18px;height:18px;flex-shrink:0;
  color:var(--color-red);margin-top:2px;
}
.contact-info-card .info-icon{
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.contact-info-card .info-icon svg{
  width:20px;height:20px;color:var(--color-red);
}
.contact-map{
  background:var(--bg-dark2);
  border-radius:12px;
  overflow:hidden;
  min-height:240px;
  position:relative;
}
.contact-map img{
  width:100%;height:100%;object-fit:cover;
}

/* ========== News List Page ========== */
.news-list-section{
  background:var(--bg-darkest);
  padding:60px 0 80px;
}
.news-list-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
}
.news-list-item{
  display:flex;align-items:stretch;gap:30px;
  background:var(--bg-dark2);
  border-radius:10px;overflow:hidden;
  margin-bottom:24px;
  transition:transform .3s,box-shadow .3s;
  border:1px solid rgba(255,255,255,.05);
}
.news-list-item:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 30px rgba(0,0,0,.3);
  border-color:rgba(229,57,53,.2);
}
.news-list-item .news-thumb{
  flex:0 0 280px;
  min-height:180px;
  overflow:hidden;
  position:relative;
}
.news-list-item .news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s;
}
.news-list-item:hover .news-thumb img{transform:scale(1.05)}
.news-list-item .news-info{
  flex:1;padding:24px 30px 24px 0;
  display:flex;flex-direction:column;justify-content:center;
}
.news-list-item .news-info .news-date{
  font-size:13px;color:var(--color-gray-dark);
  margin-bottom:8px;
}
.news-list-item .news-info h3{
  font-size:19px;font-weight:600;color:#fff;
  margin-bottom:10px;line-height:1.5;
}
.news-list-item .news-info .news-summary{
  font-size:14px;color:var(--color-gray);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ========== Pagination ========== */
.pagination{
  display:flex;justify-content:center;align-items:center;
  gap:8px;margin-top:40px;
}
.pagination a{
  min-width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-dark2);
  color:var(--color-gray-light);
  border-radius:6px;font-size:14px;
  padding:0 12px;
  transition:all .25s;
  border:1px solid rgba(255,255,255,.05);
}
.pagination a:hover{
  background:var(--bg-dark3);
  color:#fff;
}
.pagination a.active{
  background:var(--color-red);
  color:#fff;border-color:var(--color-red);
}
.pagination a.disabled{
  opacity:.4;cursor:default;pointer-events:none;
}

/* ========== News Detail Page ========== */
.news-detail-section{
  background:var(--bg-darkest);
  padding:60px 0 80px;
}
.news-detail-inner{
  max-width:900px;margin:0 auto;
  padding:0 50px;
}
.news-detail-header{
  margin-bottom:30px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.news-detail-header h1{
  font-size:28px;font-weight:700;color:#fff;
  line-height:1.5;margin-bottom:14px;
}
.news-detail-meta{
  display:flex;align-items:center;gap:20px;
  font-size:14px;color:var(--color-gray-dark);
}
.news-detail-meta span{
  display:flex;align-items:center;gap:6px;
}
.news-detail-meta svg{
  width:16px;height:16px;
}
.news-detail-body{
  font-size:16px;color:var(--color-gray-light);
  line-height:2;
}
.news-detail-body p{margin-bottom:20px}
.news-detail-body img{
  width:100%;border-radius:8px;margin:24px 0;
}
.news-detail-body h3{
  font-size:20px;font-weight:600;color:#fff;
  margin:30px 0 14px;
}
.news-detail-nav{
  display:flex;justify-content:space-between;
  margin-top:50px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.08);
  gap:30px;
}
.news-detail-nav a{
  flex:1;display:flex;flex-direction:column;
  gap:6px;font-size:14px;
  padding:16px 24px;
  background:var(--bg-dark2);
  border-radius:8px;
  transition:all .25s;
  border:1px solid rgba(255,255,255,.05);
}
.news-detail-nav a:hover{
  border-color:rgba(229,57,53,.3);
  background:var(--bg-dark3);
}
.news-detail-nav a .nav-label{
  font-size:13px;color:var(--color-gray-dark);
}
.news-detail-nav a .nav-title{
  font-size:15px;color:var(--color-gray-light);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-detail-nav a.next{text-align:right}

/* ========== Store Page ========== */
.store-main{
  background:var(--bg-darkest);
  padding:50px 0 80px;
}
.store-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:240px 1fr;
  gap:40px;
}
.store-sidebar{
  background:var(--bg-dark2);
  border-radius:10px;
  padding:24px 0;
  align-self:start;
  position:sticky;top:calc(var(--header-h) + 20px);
}
.store-sidebar h3{
  font-size:18px;font-weight:600;color:#fff;
  padding:0 24px 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:8px;
}
.store-cat{
  display:block;
  padding:12px 24px;
  font-size:15px;color:var(--color-gray-light);
  transition:all .2s;
  border-left:3px solid transparent;
}
.store-cat:hover{
  color:#fff;
  background:rgba(255,255,255,.03);
}
.store-cat.active{
  color:#fff;
  background:rgba(229,57,53,.08);
  border-left-color:var(--color-red);
}
.store-cat .cat-count{
  font-size:12px;color:var(--color-gray-dark);
  margin-left:6px;
}
.store-cat.sub{
  padding-left:40px;
  font-size:14px;
}
.store-content{
  min-width:0;
}
.store-content h2{
  font-size:24px;font-weight:600;color:#fff;
  margin-bottom:24px;
}
.store-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:40px;
}
.store-card{
  background:var(--bg-dark2);
  border-radius:10px;overflow:hidden;
  transition:transform .3s,box-shadow .3s;
  border:1px solid rgba(255,255,255,.05);
  cursor:pointer;
}
.store-card:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 30px rgba(0,0,0,.4);
  border-color:rgba(229,57,53,.2);
}
.store-card .card-img{
  aspect-ratio:1/1;
  background:var(--bg-dark3);
  overflow:hidden;
  position:relative;
}
.store-card .card-img img{
  width:100%;height:100%;object-fit:contain;
  transition:transform .4s;
}
.store-card:hover .card-img img{transform:scale(1.06)}
.store-card .card-name{
  padding:14px 16px;
  font-size:15px;color:var(--color-gray-light);
  text-align:center;
}

/* ========== Store Detail Page ========== */
.store-detail-main{
  background:var(--bg-darkest);
  padding:40px 0 80px;
}
.store-detail-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
}
.breadcrumb{
  font-size:14px;color:var(--color-gray-dark);
  margin-bottom:30px;
}
.breadcrumb a{
  color:var(--color-gray);
  transition:color .2s;
}
.breadcrumb a:hover{color:var(--color-red)}
.breadcrumb span{margin:0 8px;color:var(--color-gray-dark)}

.product-show{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  margin-bottom:60px;
}
.product-image{
  background:var(--bg-dark2);
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:1/1;
}
.product-image img{
  width:100%;height:100%;object-fit:cover;
}
.product-info{
  display:flex;flex-direction:column;
  justify-content:center;
}
.product-info h1{
  font-size:30px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.product-info .product-desc{
  font-size:15px;color:var(--color-gray);
  line-height:1.8;margin-bottom:24px;
}
.product-info .product-meta{
  display:flex;flex-direction:column;gap:10px;
  margin-bottom:30px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.product-info .product-meta li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--color-gray-light);
}
.product-info .product-meta svg{
  width:18px;height:18px;color:var(--color-red);flex-shrink:0;
}
.product-info .btn-quote-lg{
  display:inline-block;
  background:var(--color-red);color:#fff;
  padding:14px 48px;border-radius:6px;
  font-size:17px;font-weight:500;
  transition:all .25s;border:none;cursor:pointer;
  text-align:center;align-self:flex-start;
}
.product-info .btn-quote-lg:hover{
  background:var(--color-red-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(229,57,53,.35);
}

/* Product Description Tabs */
.product-tabs{
  margin-bottom:60px;
}
.product-tab-headers{
  display:flex;gap:0;
  border-bottom:2px solid rgba(255,255,255,.06);
  margin-bottom:30px;
}
.product-tab-headers a{
  padding:14px 32px;
  font-size:16px;font-weight:500;
  color:var(--color-gray);
  transition:color .2s;
  border-bottom:2px solid transparent;
  margin-bottom:-2px;
}
.product-tab-headers a:hover{color:#fff}
.product-tab-headers a.active{
  color:var(--color-red);
  border-bottom-color:var(--color-red);
}
.product-tab-panel{display:none}
.product-tab-panel.active{display:block}
.product-tab-panel p{
  font-size:15px;color:var(--color-gray-light);
  line-height:2;margin-bottom:16px;
}
.product-tab-panel h3{
  font-size:18px;font-weight:600;color:#fff;
  margin:24px 0 12px;
}
.product-tab-panel img{
  width:100%;border-radius:8px;margin:20px 0;
}

/* Hot Products Carousel */
.hot-products{
  background:var(--bg-dark);
  border-radius:12px;
  padding:36px 30px;
  position:relative;
}
.hot-products h2{
  font-size:22px;font-weight:600;color:#fff;
  margin-bottom:24px;
  text-align:center;
}
.hot-products h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin:10px auto 0;
}
.hot-carousel{
  position:relative;
  overflow:hidden;
}
.hot-carousel-track{
  display:flex;gap:20px;
  transition:transform .5s ease;
}
.hot-carousel-item{
  flex:0 0 calc(20% - 16px);
  min-width:0;
}
.hot-carousel-item .card-img{
  aspect-ratio:1/1;
  background:var(--bg-dark3);
  border-radius:8px;overflow:hidden;
  margin-bottom:10px;
}
.hot-carousel-item .card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s;
}
.hot-carousel-item:hover .card-img img{transform:scale(1.05)}
.hot-carousel-item .card-name{
  font-size:13px;color:var(--color-gray);
  text-align:center;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hot-carousel-btn{
  position:absolute;top:50%;
  transform:translateY(-50%);
  width:36px;height:36px;
  background:rgba(255,255,255,.1);
  border:none;border-radius:50%;
  color:#fff;font-size:18px;
  cursor:pointer;z-index:5;
  display:flex;align-items:center;justify-content:center;
  transition:background .25s;
}
.hot-carousel-btn:hover{background:var(--color-red)}
.hot-carousel-btn.prev{left:-12px}
.hot-carousel-btn.next{right:-12px}

/* ========== Advantages Section ========== */
.advantages{
  position:relative;
  background:var(--bg-darkest);
  min-height:100vh;
  overflow:hidden;
}
.adv-bg-img{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
  z-index:0;
}
.adv-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to bottom,rgba(10,10,10,.65) 0%,rgba(10,10,10,.5) 50%,rgba(10,10,10,.75) 100%);
}
.adv-inner{
  position:relative;z-index:2;
  max-width:var(--max-w);margin:0 auto;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:80px 50px;
  text-align:center;
}
.adv-content{
  max-width:640px;
}
.adv-content h2{
  font-size:38px;font-weight:700;color:#fff;
  margin-bottom:20px;letter-spacing:2px;
}
.adv-content h2::after{
  content:'';display:block;width:50px;height:3px;
  background:var(--color-red);margin:16px auto 0;
}
.adv-content p{
  font-size:16px;color:var(--color-gray-light);
  line-height:1.9;margin-bottom:30px;
}

/* ========== Why Choose Section ========== */
.why-choose{
  background:var(--bg-darkest);
  padding:80px 0;
  position:relative;
}
.why-choose .section-title{
  max-width:var(--max-w);margin:0 auto 50px;
  padding:0 50px;
}
.why-choose .section-title h2{
  font-size:34px;font-weight:700;color:#fff;
}
.why-choose .section-title h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin-top:14px;
}
.why-grid{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}
.why-card{
  background:var(--bg-dark2);
  border-radius:10px;
  padding:36px 32px;
  transition:transform .3s,box-shadow .3s;
  border:1px solid rgba(255,255,255,.05);
}
.why-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,.4);
  border-color:rgba(229,57,53,.3);
}
.why-card h3{
  font-size:22px;font-weight:600;color:#fff;
  margin-bottom:14px;
}
.why-card p{
  font-size:15px;color:var(--color-gray);
  line-height:1.7;margin-bottom:24px;
}
.why-card .btn-more{
  display:inline-block;
  color:var(--color-red);font-size:15px;
  padding:8px 24px;
  border:1px solid var(--color-red);
  border-radius:4px;
  transition:all .25s;
}
.why-card .btn-more:hover{
  background:var(--color-red);color:#fff;
}

/* ========== Certifications Section ========== */
.certifications{
  background:var(--bg-light);
  padding:100px 0;
  position:relative;
  overflow:hidden;
}
.cert-mountains{
  position:absolute;bottom:0;left:0;right:0;
  z-index:0;pointer-events:none;
  opacity:.5;
}
.cert-mountains svg{width:100%;height:auto;display:block}
.cert-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:flex;align-items:center;gap:60px;
  position:relative;z-index:1;
}
.cert-text{flex:0 0 380px}
.cert-text h2{
  font-size:34px;font-weight:700;color:#222;
  margin-bottom:20px;
}
.cert-text h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin-top:14px;
}
.cert-text p{
  font-size:15px;color:#555;line-height:1.8;
}
.cert-text p .en{font-style:italic}
.cert-images{
  flex:1;display:flex;gap:30px;justify-content:center;
}
.cert-card{
  flex:0 0 340px;
  background:#fff;
  border-radius:8px;
  padding:24px;
  box-shadow:0 4px 20px rgba(0,0,0,.08);
  cursor:pointer;
  transition:transform .3s,box-shadow .3s;
}
.cert-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 36px rgba(0,0,0,.15);
}
.cert-card img{width:100%;border-radius:4px;min-height:220px}
.cert-badge{
  display:inline-block;margin-top:12px;
  font-size:14px;color:var(--color-gray-dark);
  text-align:center;width:100%;
}

/* ========== News Section ========== */
.news{
  background:var(--bg-dark);
  padding:80px 0;
}
.news .section-title{
  max-width:var(--max-w);margin:0 auto 50px;
  padding:0 50px;
}
.news .section-title h2{
  font-size:34px;font-weight:700;color:#fff;
}
.news .section-title h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin-top:14px;
}
.news-grid{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.news-card{
  background:#fff;
  border-radius:8px;
  overflow:hidden;
  cursor:pointer;
  transition:transform .3s,box-shadow .3s;
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 36px rgba(0,0,0,.3);
}
.news-card .news-img{
  width:100%;aspect-ratio:16/10;min-height:160px;overflow:hidden;
}
.news-card .news-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s;
}
.news-card:hover .news-img img{transform:scale(1.06)}
.news-card .news-body{padding:20px}
.news-card .news-date{
  font-size:14px;color:var(--color-gray-dark);
  margin-bottom:10px;
}
.news-card .news-title{
  font-size:17px;font-weight:600;color:#222;
  margin-bottom:10px;line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .news-summary{
  font-size:14px;color:#777;
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ========== Service Process Section ========== */
.service-process{
  background:var(--bg-dark);
  padding:80px 0;
}
.service-process .section-title{
  max-width:var(--max-w);margin:0 auto 50px;
  padding:0 50px;
}
.service-process .section-title h2{
  font-size:34px;font-weight:700;color:#fff;
}
.service-process .section-title h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin-top:14px;
}
.process-grid{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  position:relative;
}
.process-grid::before{
  content:'';position:absolute;
  top:40px;left:12%;right:12%;
  height:2px;
  background:linear-gradient(to right,transparent,rgba(229,57,53,.3),rgba(229,57,53,.3),transparent);
  z-index:0;
}
.process-item{
  text-align:center;
  position:relative;z-index:1;
}
.process-icon{
  width:80px;height:80px;
  margin:0 auto 20px;
  border-radius:50%;
  background:var(--bg-dark2);
  border:2px solid var(--color-red);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  overflow:hidden;
  transition:all .3s;
}
.process-item:hover .process-icon{
  background:var(--color-red);
  transform:translateY(-4px);
  box-shadow:0 8px 24px rgba(229,57,53,.3);
}
.process-icon svg{
  width:32px;height:32px;
  color:var(--color-red);
  transition:color .3s;
}
.process-item:hover .process-icon svg{color:#fff}
.process-item h3{
  font-size:18px;font-weight:600;color:#fff;
  margin-bottom:10px;
}
.process-item p{
  font-size:14px;color:var(--color-gray);
  line-height:1.7;
}
.process-num{
  position:absolute;
  top:-8px;right:-8px;
  width:24px;height:24px;
  background:var(--color-red);
  border-radius:50%;
  font-size:12px;font-weight:700;color:#fff;
  display:flex;align-items:center;justify-content:center;
}

/* ========== Footer ========== */
.footer{
  background:var(--bg-darkest);
  padding:60px 0 30px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:50px;
}
.footer-brand .footer-logo img{height:48px;width:auto;margin-bottom:16px}
.footer-brand p{
  font-size:14px;color:var(--color-gray);
  line-height:1.8;margin-bottom:24px;
}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  background:var(--bg-dark2);
  display:flex;align-items:center;justify-content:center;
  color:var(--color-gray);
  transition:all .25s;
}
.footer-social a:hover{background:var(--color-red);color:#fff}
.footer-social svg{width:18px;height:18px}
.footer-col h4{
  font-size:18px;font-weight:600;color:#fff;
  margin-bottom:20px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  font-size:15px;color:var(--color-gray);
  transition:color .2s;
}
.footer-col ul li a:hover{color:var(--color-red)}
.footer-contact li{
  font-size:15px;color:var(--color-gray);
  margin-bottom:14px;
  display:flex;align-items:flex-start;gap:10px;
}
.footer-contact svg{
  width:16px;height:16px;flex-shrink:0;margin-top:3px;
  color:var(--color-red);
}
.footer-bottom{
  max-width:var(--max-w);margin:40px auto 0;
  padding:20px 50px 0;
  border-top:1px solid rgba(255,255,255,.06);
  text-align:center;
  font-size:14px;color:var(--color-gray-dark);
}

/* ========== Floating Sidebar ========== */
.floating-sidebar{
  position:fixed;right:0;top:50%;
  transform:translateY(-50%);
  z-index:900;
  display:flex;flex-direction:column;
  gap:1px;
}
.floating-sidebar .side-item{
  width:50px;height:50px;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:all .25s;
  position:relative;
}
.floating-sidebar .side-item:hover{background:var(--color-red)}
.floating-sidebar .side-item:hover svg{color:#fff}
.floating-sidebar .side-item svg{
  width:20px;height:20px;color:#555;
  transition:color .25s;
}
.floating-sidebar .side-item .tooltip{
  position:absolute;right:60px;top:50%;
  transform:translateY(-50%);
  background:var(--bg-darkest);
  color:#fff;font-size:13px;
  padding:6px 14px;border-radius:4px;
  white-space:nowrap;
  opacity:0;visibility:hidden;
  transition:all .25s;pointer-events:none;
}
.floating-sidebar .side-item:hover .tooltip{
  opacity:1;visibility:visible;right:56px;
}
.floating-sidebar .side-top{margin-top:10px}

/* ========== Lightbox ========== */
.lightbox{
  position:fixed;inset:0;
  background:rgba(0,0,0,.9);
  z-index:2000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .3s;
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{
  max-width:80%;max-height:80vh;
  border-radius:8px;
  box-shadow:0 0 40px rgba(0,0,0,.5);
}
.lightbox-close{
  position:absolute;top:30px;right:30px;
  width:40px;height:40px;
  background:rgba(255,255,255,.1);
  border:none;border-radius:50%;
  color:#fff;font-size:24px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.lightbox-close:hover{background:rgba(255,255,255,.2)}

/* ========== Quote Modal ========== */
.quote-modal{
  position:fixed;inset:0;z-index:3000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .3s;
}
.quote-modal.open{opacity:1;visibility:visible}
.quote-modal-overlay{
  position:absolute;inset:0;
  background:rgba(0,0,0,.7);
}
.quote-modal-content{
  position:relative;z-index:1;
  background:#fff;
  border-radius:12px;
  padding:40px;
  width:520px;max-width:90vw;
  max-height:90vh;overflow-y:auto;
  transform:translateY(20px);
  transition:transform .3s;
}
.quote-modal.open .quote-modal-content{transform:translateY(0)}
.quote-modal-close{
  position:absolute;top:16px;right:16px;
  width:32px;height:32px;
  background:none;border:none;
  font-size:22px;color:#999;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.quote-modal-close:hover{color:#333}
.quote-modal-content h2{
  font-size:24px;font-weight:700;color:#222;
  margin-bottom:8px;
}
.quote-modal-content .subtitle{
  font-size:14px;color:#888;margin-bottom:28px;
}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:14px;
  color:#555;margin-bottom:6px;font-weight:500;
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:10px 14px;
  border:1px solid #ddd;border-radius:6px;
  font-size:15px;font-family:inherit;
  transition:border-color .2s;
  background:#fafafa;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--color-red);
  background:#fff;
}
.form-group textarea{resize:vertical}
.form-group select{cursor:pointer;appearance:auto}
.btn-submit{
  width:100%;padding:13px;
  background:var(--color-red);color:#fff;
  border:none;border-radius:6px;
  font-size:16px;font-weight:500;
  cursor:pointer;transition:background .25s;
  margin-top:6px;
}
.btn-submit:hover{background:var(--color-red-dark)}

/* ========== Equipment Page ========== */
.equip-main{
  background:var(--bg-darkest);
  padding:60px 0 80px;
}
.equip-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 50px;
}
.equip-section-title{
  text-align:center;margin-bottom:50px;
}
.equip-section-title h2{
  font-size:34px;font-weight:700;color:#fff;
}
.equip-section-title h2::after{
  content:'';display:block;width:40px;height:3px;
  background:var(--color-red);margin:14px auto 0;
}
.equip-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
}
.equip-card{
  background:var(--bg-dark2);
  border-radius:12px;
  overflow:hidden;
  transition:transform .3s,box-shadow .3s;
  border:1px solid rgba(255,255,255,.05);
}
.equip-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 36px rgba(0,0,0,.4);
}
.equip-card .equip-img{
  aspect-ratio:4/3;
  background:var(--bg-dark3);
  overflow:hidden;
}
.equip-card .equip-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s;
}
.equip-card:hover .equip-img img{transform:scale(1.06)}
.equip-card .equip-name{
  padding:16px;
  font-size:16px;font-weight:600;color:#fff;
  text-align:center;
}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .header-inner{padding:0 30px}
  .main-nav > ul{gap:30px}
  .main-nav > ul > li > a{font-size:15px}
  .hero-content h1{font-size:40px}
  .hero-arrow{width:40px;height:40px;font-size:16px}
  .hero-arrow.prev{left:15px}
  .hero-arrow.next{right:15px}
  .product-grid{grid-template-columns:repeat(2,1fr);padding:40px 30px 0}
  .news-grid{grid-template-columns:repeat(2,1fr);padding:0 30px}
  .why-grid{grid-template-columns:1fr}
  .cert-inner{flex-direction:column}
  .cert-text{flex:none;width:100%}
  .footer-inner{grid-template-columns:repeat(2,1fr);gap:30px}
  .adv-content{padding:60px 30px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .process-grid::before{display:none}
  .about-intro{flex-direction:column}
  .about-intro-left{flex:none;min-height:280px}
  .about-intro-right{padding:40px 30px}
  .about-section{flex-direction:column}
  .about-section.reverse{flex-direction:column}
  .about-section-img{flex:none;min-height:240px}
  .about-section-text{padding:40px 30px}
  .contact-inner{grid-template-columns:1fr}
  .page-hero{min-height:300px}
  .page-hero-content h1{font-size:32px}
  .news-list-item{flex-direction:column}
  .news-list-item .news-thumb{flex:none;min-height:200px}
  .news-list-item .news-info{padding:24px}
  .news-detail-inner{padding:0 30px}
  .news-detail-nav{flex-direction:column}
  .store-inner{grid-template-columns:1fr;gap:24px}
  .store-sidebar{position:static}
  .store-grid{grid-template-columns:repeat(2,1fr)}
  .product-show{grid-template-columns:1fr;gap:30px}
  .product-info h1{font-size:24px}
  .hot-carousel-item{flex:0 0 calc(33.333% - 14px)}
  .equip-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{padding:0 15px}
  .main-nav{display:none}
  .hero-content h1{font-size:32px}
  .hero-content p{font-size:14px}
  .hero-slider{min-height:500px}
  .hero-arrow{width:36px;height:36px;font-size:14px}
  .product-tabs{flex-wrap:wrap;justify-content:flex-start;overflow-x:auto}
  .product-tabs a{padding:12px 16px;font-size:14px}
  .product-grid{grid-template-columns:1fr;padding:30px 15px 0}
  .news-grid{grid-template-columns:1fr;padding:0 15px}
  .adv-content{position:relative;padding:40px 20px}
  .floating-sidebar{display:none}
  .why-choose,.certifications,.news{padding:50px 0}
  .why-grid,.why-choose .section-title,.news .section-title{padding:0 20px}
  .cert-inner{padding:0 20px}
  .about-features{grid-template-columns:1fr}
  .contact-form-box{padding:30px 20px}
  .page-hero-content h1{font-size:26px}
  .stats-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
  .news-list-inner{padding:0 20px}
  .news-detail-inner{padding:0 20px}
  .news-detail-header h1{font-size:22px}
  .news-detail-body{font-size:15px}
  .pagination a{min-width:34px;height:34px;font-size:13px}
  .store-inner{padding:0 20px}
  .store-grid{grid-template-columns:1fr}
  .store-detail-inner{padding:0 20px}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .product-info h1{font-size:22px}
  .hot-carousel-item{flex:0 0 calc(50% - 10px)}
  .product-tab-headers a{padding:12px 20px;font-size:14px}
  .process-grid{grid-template-columns:1fr;gap:24px}
  .service-process{padding:50px 0}
  .equip-grid{grid-template-columns:1fr}
  .equip-inner{padding:0 20px}
}