/* 
    XUANDI   V4
   Style: Ivory Copper    
    */

/*  Reset  */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:#F8F6F2;
  color:#3D3833;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.75;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}
ul,ol{list-style:none}

:root{
  --copper:#B87333;
  --copper-light:#D4925A;
  --copper-dark:#8B5E3C;
  --gold:#C9A84C;
  --bg:#F8F6F2;
  --bg-alt:#F3F0EB;
  --text:#3D3833;
  --text-secondary:#6B635C;
  --text-muted:#7A736C;
  --text-dim:#9C948C;
  --border:#E8E4DF;
  --border-copper:rgba(184,115,51,0.15);
  --shadow-sm:0 2px 8px rgba(0,0,0,0.04);
  --shadow-md:0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg:0 16px 48px rgba(0,0,0,0.08);
  --ease:cubic-bezier(0.22,1,0.36,1);
}

.nav{
  position:fixed;top:0;left:0;right:0;
  z-index:1000;
  height:72px;
  display:flex;justify-content:center;
  transition:all .5s var(--ease);
  background:rgba(248,246,242,0.45);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav.scrolled{
  height:64px;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  max-width:1200px;width:100%;padding:0 48px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-brand{display:flex;align-items:center;gap:14px;opacity:0;animation:fadeDown .7s var(--ease) .2s forwards}
.nav-logo-img{height:38px;width:auto;display:block;object-fit:contain}
.nav-brand-text{display:flex;flex-direction:column}
.nav-brand-name{font-size:16px;font-weight:500;letter-spacing:6px;color:#1a1a1a;line-height:1.2;text-shadow:0 1px 2px rgba(255,255,255,0.6)}
.nav-brand-sub{font-size:10px;letter-spacing:4px;color:var(--copper);line-height:1;margin-top:1px}
.nav-links{display:flex;gap:2px;flex-wrap:nowrap;align-items:center;opacity:0;animation:fadeDown .7s var(--ease) .35s forwards}
.nav-link{
  padding:8px 22px;
  font-size:14px;letter-spacing:2px;
  color:#3D3833;
  font-weight:400;
  transition:color .3s;
  position:relative;
  cursor:pointer;
  text-shadow:0 1px 2px rgba(255,255,255,0.55);
}
.nav-link::after{
  content:'';position:absolute;bottom:0;left:50%;right:50%;
  height:2px;background:var(--copper);
  transition:all .35s var(--ease);
  border-radius:2px;
}
.nav-link:hover,.nav-link.active{color:#1a1a1a}
.nav-link:hover::after,.nav-link.active::after{left:22px;right:22px}
.nav-link .drop-icon{display:inline-block;width:10px;height:10px;transition:transform .3s;opacity:.5;vertical-align:middle}
.nav-link:hover .drop-icon{transform:rotate(180deg)}

.nav-item{position:relative}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:12px;opacity:0;pointer-events:none;transition:all .3s var(--ease)}
.nav-item:hover .dropdown{opacity:1;pointer-events:all}
.dropdown-inner{
  background:#fff;border:1px solid var(--border);
  box-shadow:var(--shadow-lg);
  padding:20px;
  min-width:200px;
}
.dropdown-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:4px;min-width:320px;
}
.dropdown-item{
  display:block;
  padding:8px 16px;
  font-size:14px;letter-spacing:1px;
  color:var(--text-secondary);
  transition:all .2s;
  white-space:nowrap;
}
.dropdown-item:hover{
  color:var(--copper);
  background:rgba(184,115,51,0.04);
  padding-left:22px;
}

.nav-hamburger{display:none;width:40px;height:40px;align-items:center;justify-content:center;color:#1a1a1a;opacity:0;animation:fadeDown .7s var(--ease) .35s forwards;filter:drop-shadow(0 1px 2px rgba(255,255,255,0.7))}

.mobile-nav{
  position:fixed;inset:0;z-index:999;
  background:rgba(255,255,255,0.98);backdrop-filter:blur(32px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  opacity:0;pointer-events:none;transition:all .5s var(--ease);
}
.mobile-nav.open{opacity:1;pointer-events:all}
.mobile-nav-link{
  font-size:20px;letter-spacing:8px;font-weight:200;color:var(--text-secondary);
  padding:12px 24px;
}

.hero{
  position:relative;
  min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;
  overflow:hidden;
  background:linear-gradient(165deg, #F8F6F2 0%, #F3EFE8 40%, #EFE9E0 70%, #F8F6F2 100%);
}
.hero-carousel{
  position:absolute;inset:0;z-index:0;
}
.hero-carousel .carousel-slide{
  position:absolute;inset:0;
  opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;
}
.hero-carousel .carousel-slide.active{opacity:1}
.hero-carousel .carousel-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg, rgba(248,246,242,0.75) 0%, rgba(248,246,242,0.4) 50%, rgba(248,246,242,0.15) 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 60% 60% at 50% 45%, black 20%, transparent 65%);
  -webkit-mask-image:radial-gradient(ellipse 60% 60% at 50% 45%, black 20%, transparent 65%);
  pointer-events:none;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border)}
.stat-item{background:#fff;padding:40px 24px;text-align:center}
.stat-num{font-size:clamp(28px,3vw,44px);font-weight:200;color:var(--copper);letter-spacing:2px;margin-bottom:6px}
.stat-label{font-size:12px;color:var(--text-muted);letter-spacing:3px}
.svg-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.svg-bg svg{position:absolute;width:100%;height:100%;top:0;left:0}
.svg-bg-hero .svg-waveform{width:100%;height:35%;bottom:0;top:auto;color:var(--copper)}
.svg-bg-eq .svg-eq{width:60%;height:60%;top:auto;bottom:0;right:0;color:var(--copper)}
.svg-bg-rings .svg-rings{width:70%;height:70%;bottom:0;left:0;color:var(--copper)}
.svg-bg-spectrum .svg-spectrum{width:100%;height:55%;bottom:0;left:0;color:var(--copper)}
.svg-bg-pulse .svg-pulse{width:60%;height:60%;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--copper)}
.news-list{display:flex;flex-direction:column}
.mt-8{margin-top:64px}
.text-center{text-align:center}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:2px;color:var(--text-dim);transition:color .3s;margin-bottom:24px;text-decoration:none}
.back-link:hover{color:var(--copper)}
.carousel-dots{
  position:absolute;bottom:48px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;gap:10px;
}
.carousel-dot{
  width:10px;height:10px;border-radius:50%;
  background:transparent;border:1.5px solid var(--copper);
  cursor:pointer;transition:all .4s;
}
.carousel-dot.active{
  background:var(--copper);border-color:var(--copper);
  box-shadow:0 0 8px rgba(184,115,51,0.3);
}
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 60% at 30% 50%, rgba(184,115,51,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 70% 40%, rgba(201,168,76,0.03) 0%, transparent 50%);
  pointer-events:none;
}
.hero-content{
  position:relative;z-index:2;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
  margin-top:-40px;
}
.hero-tag{
  display:inline-block;
  font-size:11px;letter-spacing:7px;
  color:var(--copper);
  margin-bottom:28px;
  padding:6px 16px;
  background:rgba(184,115,51,0.06);
  border:1px solid var(--border-copper);
  opacity:0;transform:translateY(24px);
  animation:heroUp .9s var(--ease) .5s forwards;
}
.hero-title{
  font-size:clamp(32px,5vw,64px);
  font-weight:200;
  line-height:1.1;
  letter-spacing:2px;
  color:#1a1a1a;
  margin-bottom:18px;
  opacity:0;transform:translateY(24px);
  animation:heroUp .9s var(--ease) .7s forwards;
}
.hero-title strong{
  font-weight:400;
  display:block;
  color:var(--copper);
  letter-spacing:5px;
}
.hero-desc{
  font-size:14px;
  font-weight:400;
  color:var(--text-secondary);
  max-width:460px;
  line-height:1.9;
  margin-bottom:40px;
  opacity:0;transform:translateY(24px);
  animation:heroUp .9s var(--ease) .9s forwards;
}
.hero-actions{
  display:flex;gap:14px;flex-wrap:wrap;
  opacity:0;transform:translateY(24px);
  animation:heroUp .9s var(--ease) 1.1s forwards;
}

.btn{
  position:relative;display:inline-flex;align-items:center;gap:10px;
  padding:14px 36px;font-size:12px;letter-spacing:3px;font-weight:400;
  transition:all .4s var(--ease);overflow:hidden;
  min-height:44px;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg, #C67E3E, #9A5E28);
  box-shadow:0 4px 16px rgba(154,94,40,0.25);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(154,94,40,0.3);
}
.btn-outline{
  color:#1a1a1a;border:1px solid var(--border-copper);
}
.btn-outline:hover{
  background:rgba(184,115,51,0.04);
  border-color:var(--copper);
  transform:translateY(-2px);
}
.btn-copper{
  color:#fff;border:1px solid var(--copper);
  background:linear-gradient(135deg, rgba(184,115,51,0.85), rgba(154,94,40,0.9));
  font-weight:500;
}
.btn-copper:hover{
  background:linear-gradient(135deg, var(--copper), #9A5E28);
  box-shadow:0 4px 20px rgba(184,115,51,0.3);
  transform:translateY(-2px);
}
.btn-icon{width:16px;height:16px;transition:transform .35s}
.btn:hover .btn-icon{transform:translateX(5px)}

.section{
  position:relative;padding:80px 0;
}
.section-with-svg{overflow:hidden;isolation:isolate}
.section-with-svg .container{position:relative;z-index:1}
.section-white{background:#fff}
.section-bg{background:var(--bg)}
.section-darker{background:var(--bg-alt)}
.section-header{
  margin-bottom:40px;
  max-width:640px;
}
.section-label{
  font-size:10px;letter-spacing:6px;
  color:var(--copper);margin-bottom:14px;text-transform:uppercase;
}
.section-title{
  font-size:clamp(24px,2.6vw,38px);
  font-weight:300;
  letter-spacing:3px;
  color:#1a1a1a;
  line-height:1.2;
}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  padding:36px 32px 44px;
  cursor:pointer;
  transition:all .5s var(--ease);
  box-shadow:var(--shadow-sm);
}
.product-card:hover{
  border-color:var(--border-copper);
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.product-card-name{
  font-size:15px;font-weight:500;letter-spacing:3px;
  color:#1a1a1a;margin-bottom:10px;
}
.product-card-desc{
  font-size:14px;color:var(--text-secondary);line-height:1.8;margin-bottom:20px;
}

.product-categories{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-bottom:36px;
  padding-bottom:24px;
  border-bottom:1px solid var(--border);
}
.category-chip{
  display:inline-flex;align-items:center;
  padding:8px 20px;
  font-size:11px;letter-spacing:2px;
  color:var(--text-secondary);
  border:1px solid var(--border);
  background:#fff;
  transition:all .35s var(--ease);
  cursor:pointer;
  min-height:36px;
}
.category-chip:hover{border-color:var(--copper);color:var(--copper)}
.category-chip.active{
  border-color:var(--copper);
  color:#fff;
  background:linear-gradient(135deg, var(--copper-light), var(--copper));
}

.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scenario-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  display:grid;grid-template-columns:1fr 1fr;
  min-height:260px;
  cursor:pointer;
  transition:all .5s var(--ease);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.scenario-card:hover{
  border-color:var(--border-copper);
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.scenario-card-content{
  padding:40px 32px;display:flex;flex-direction:column;justify-content:center;
}
.scenario-card-title{
  font-size:16px;font-weight:500;letter-spacing:3px;
  color:#1a1a1a;margin-bottom:10px;
}
.scenario-card-desc{
  font-size:14px;color:var(--text-secondary);line-height:1.8;margin-bottom:16px;
}
.scenario-card-img{
  width:100%;height:100%;object-fit:cover;
  min-height:260px;transition:all .5s var(--ease);
}
.scenario-card:hover .scenario-card-img{transform:scale(1.03)}

.news-item{
  display:grid;grid-template-columns:200px 1fr;
  gap:36px;padding:28px 0;
  border-bottom:1px solid var(--border);
  cursor:pointer;
  transition:all .4s var(--ease);
}
.news-item:hover{padding-left:16px}
.news-item-img{
  width:100%;height:130px;object-fit:cover;
  border:1px solid var(--border);transition:all .4s;
}
.news-item-meta{display:flex;gap:20px;font-size:12px;letter-spacing:2px;margin-bottom:10px}
.news-item-cat{color:var(--copper)}
.news-item-date,.news-item-views{color:var(--text-dim)}
.news-item-title{
  font-size:16px;font-weight:500;letter-spacing:2px;
  color:#1a1a1a;margin-bottom:8px;transition:color .35s;
}
.news-item:hover .news-item-title{color:var(--copper)}
.news-item-summary{font-size:14px;color:var(--text-secondary);line-height:1.8}

.about-intro{display:grid;grid-template-columns:2fr 1fr;gap:48px}
.about-intro-text p{margin-bottom:16px;font-size:14px;color:var(--text-secondary);line-height:1.9}
.about-values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.about-value{text-align:center;padding:48px 28px;background:#fff;border:1px solid var(--border);transition:all .4s var(--ease)}
.about-value:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.about-value-icon{width:48px;height:48px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-copper);color:var(--copper)}
.about-value-title{font-size:14px;letter-spacing:4px;font-weight:500;color:#1a1a1a;margin-bottom:12px}
.about-value-desc{font-size:13px;color:var(--text-muted);line-height:1.7}
.section-alt{background:var(--bg)}
.section-dark{background:#3D3833;color:#fff}
.section-dark .section-title{color:#fff}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{text-align:center;padding:36px 24px;background:#fff;border:1px solid var(--border);transition:all .4s var(--ease)}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.team-card-avatar{width:56px;height:56px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);color:var(--text-muted)}
.team-card-name{font-size:15px;font-weight:500;letter-spacing:2px;color:#1a1a1a;margin-bottom:4px}
.team-card-title{font-size:12px;letter-spacing:3px;color:var(--copper);margin-bottom:12px}
.team-card-desc{font-size:13px;color:var(--text-muted);line-height:1.7}
.timeline{position:relative;max-width:640px;margin:0 auto}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:var(--border)}
.timeline-item{display:flex;gap:32px;padding:20px 0 20px 24px;position:relative}
.timeline-item::before{content:'';position:absolute;left:-4px;top:28px;width:9px;height:9px;border-radius:50%;background:var(--copper);border:2px solid var(--bg-alt)}
.timeline-year{font-size:13px;letter-spacing:2px;color:var(--copper);font-weight:500;min-width:70px}
.timeline-event{font-size:14px;color:var(--text-muted);line-height:1.7}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.contact-info-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:28px}
.contact-info-icon{width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-copper);color:var(--copper)}
.contact-info-label{font-size:12px;letter-spacing:3px;color:var(--text-muted);margin-bottom:4px}
.contact-info-value{font-size:14px;color:var(--text);letter-spacing:1px}
.contact-form{background:#fff;padding:36px;border:1px solid var(--border)}
.contact-form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.contact-form-field{margin-bottom:20px}
.contact-form-field input,.contact-form-field textarea,.contact-form-select{width:100%;padding:12px 16px;font-size:14px;border:1px solid var(--border);background:var(--bg);transition:all .3s;font-family:inherit;color:var(--text)}
.contact-form-field input:focus,.contact-form-field textarea:focus,.contact-form-select:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px var(--border-copper)}
.contact-form-select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' fill='none' stroke='%239C948C' stroke-width='1.5'%3E%3Cpath d='M2 4l3 3 3-3'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.prod-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.prod-detail-image{width:100%;min-height:360px;object-fit:cover;border:1px solid var(--border)}
.prod-detail-specs{padding:24px;background:#fff;border:1px solid var(--border)}
.spec-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);font-size:13px}
.spec-row:last-child{border-bottom:none}
.spec-label{color:var(--text-muted)}
.spec-value{color:var(--text)}
.scenario-card-tag{display:inline-block;padding:4px 10px;border:1px solid var(--border);font-size:11px;letter-spacing:1px;color:var(--text-muted);margin-right:6px;margin-bottom:4px}

.product-card-img{width:100%;aspect-ratio:16/10;object-fit:contain;object-position:center;margin-bottom:20px;background:var(--bg-alt)}
.product-card-link{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:2px;color:var(--copper);transition:all .3s}
.product-card-link:hover{gap:10px}
.btn-outline-light{
  color:var(--copper);border:1px solid var(--border-copper);background:transparent;
}
.btn-outline-light:hover{
  background:rgba(184,115,51,0.04);border-color:var(--copper);
}
.scenario-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.scenario-card-tag{display:inline-block;padding:4px 10px;border:1px solid var(--border);font-size:11px;letter-spacing:1px;color:var(--text-muted)}
.news-item-date{color:var(--text-dim)}

.footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  padding:72px 0 36px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:48px;margin-bottom:48px;
}
.footer-brand-desc{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:14px}
.footer-col-title{font-size:12px;letter-spacing:4px;color:var(--copper);margin-bottom:18px}
.footer-links a{
  display:block;font-size:12px;color:var(--text-muted);
  margin-bottom:10px;transition:all .35s;
}
.footer-links a:hover{color:var(--text);padding-left:6px}
.footer-bottom{
  padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:var(--text-muted);letter-spacing:1px;
  flex-wrap:wrap;gap:8px;
}
.footer-bottom .footer-icp{
  font-size:11px;color:var(--text-dim);letter-spacing:0.5px;
}
.footer-bottom .footer-icp a{
  color:var(--text-dim);transition:color .3s;
}
.footer-bottom .footer-icp a:hover{color:var(--copper)}

.page-header{
  padding:112px 0 64px;
  background:#fff;
  border-bottom:1px solid var(--border);
}

.container{max-width:1200px;margin:0 auto;padding:0 48px}
.page-content{max-width:1080px;margin:0 auto;padding:0 48px}

.img-cover{object-fit:cover;object-position:center}
.img-contain{object-fit:contain;object-position:center}

/* Scenario detail */
.scenario-det-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scenario-det-panel{background:#fff;padding:36px;border:1px solid var(--border)}
.scenario-det-panel ul{list-style:none;padding:0;margin:0}
.scenario-det-panel ul li{padding:10px 0 10px 24px;font-size:13px;color:var(--text-secondary);line-height:1.7;border-bottom:1px solid var(--border);position:relative}
.scenario-det-panel ul li::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:10px;height:2px;background:var(--copper);border-radius:1px}
.scenario-card-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-copper);color:var(--copper);margin-bottom:12px}

/* Product detail */
.prod-detail-image-col{position:sticky;top:100px}
.prod-detail-info-col{overflow:hidden}

/* News detail */
.news-detail-body{font-size:14px;color:var(--text);line-height:2}
.news-detail-body h2,
.news-detail-body h3{font-size:16px;font-weight:500;letter-spacing:2px;color:#1a1a1a;margin:28px 0 12px}
.news-detail-body p{margin-bottom:14px;line-height:2}
.news-detail-body img{max-width:100%;height:auto;margin:16px 0}
.news-detail-body ul,
.news-detail-body ol{padding-left:24px;margin-bottom:14px}
.news-detail-body ul li,
.news-detail-body ol li{font-size:14px;color:var(--text-secondary);line-height:1.9;margin-bottom:6px}
.news-detail-body a{color:var(--copper);text-decoration:underline}
.news-detail-body table{
  width:100%;border-collapse:collapse;margin:16px 0;font-size:13px;
}
.news-detail-body table th,
.news-detail-body table td{
  border:1px solid var(--border);padding:8px 14px;text-align:left;
}
.news-detail-body table th{background:var(--bg-alt);font-weight:500}
.news-detail-body table tr:nth-child(even) td{background:rgba(248,246,242,0.5)}

.js .reveal:not(.no-reveal){
  opacity:0;transform:translateY(30px);
  transition:all .8s var(--ease);
}
.reveal.visible{opacity:1!important;transform:translateY(0)!important}
.reveal-delay-1{transition-delay:.12s}
.reveal-delay-2{transition-delay:.24s}
.reveal-delay-3{transition-delay:.36s}

@keyframes fadeDown{to{opacity:1;transform:translateY(0)}}
@keyframes heroUp{to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{to{opacity:1}}

.back-to-top{
  position:fixed;right:32px;bottom:32px;z-index:900;
  width:46px;height:46px;border-radius:50%;
  background:rgba(184,115,51,0.92);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(184,115,51,0.3);
  opacity:0;visibility:hidden;
  transform:translateY(20px);
  transition:all .4s var(--ease);
  cursor:pointer;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:#9A5E28;transform:translateY(-3px) scale(1.05)}

.skip-link{
  position:absolute;top:-100%;left:16px;z-index:9999;
  background:#B87333;color:#fff;padding:12px 24px;
}
.skip-link:focus{top:0}

@media(max-width:1024px){
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:1fr}
  .scenario-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-intro{grid-template-columns:1fr;gap:32px}
  .about-values{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .prod-detail-grid{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .spec-row{grid-template-columns:1fr;gap:4px}
}
@media(max-width:768px){
  .nav-inner{padding:0 24px}
  .container,.page-content{padding:0 24px}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .nav-logo-img{height:32px}
  .section{padding:72px 0}
  .hero-content{padding:0 24px;margin-top:0}
  .hero{min-height:calc(100vh - 56px);min-height:calc(100dvh - 56px)}
  .hero-actions{flex-direction:column;gap:12px}
  .hero-actions .btn{width:100%;justify-content:center;font-size:13px;padding:14px 20px}
  .products-grid{grid-template-columns:1fr}
  .footer{padding:56px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-header{margin-bottom:36px}
  .about-values{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .news-item{grid-template-columns:1fr;gap:16px}
  .contact-form-row{grid-template-columns:1fr}
  .contact-form{padding:24px}
  .prod-detail-image{min-height:200px}
  .page-header{padding:80px 0 48px}
  .hero-title{font-size:26px}
  .hero-desc{max-width:100%;font-size:13px;margin-bottom:28px}
  .hero-tag{font-size:9px;letter-spacing:5px;margin-bottom:20px}
  .carousel-dots{bottom:40px}
}
@media(max-width:480px){
  .hero-title{font-size:24px}
  .container,.page-content{padding:0 20px}
  .nav-inner{padding:0 20px}
  .section-title{font-size:20px}
  .section{padding:56px 0}
  .btn{padding:12px 20px;font-size:10px;min-height:40px}
  .prod-detail-image-col{position:static !important}
  .scenario-det-grid{grid-template-columns:1fr;gap:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:28px 16px}
  .stat-num{font-size:clamp(22px,5vw,28px)}
  .hero-tag{font-size:8px;letter-spacing:4px}
  .product-card{padding:24px 16px 28px}
  .product-card-img{aspect-ratio:1/1}
  .news-detail-body table{font-size:12px}
  .news-detail-body table th,.news-detail-body table td{padding:6px 8px}
}