:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);
  --brand: #3b82f6;
  --brand-2: #22c55e;

  --radius: 18px;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --container: 1120px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(59,130,246,.35), transparent 55%),
              radial-gradient(900px 500px at 90% 10%, rgba(34,197,94,.22), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.muted{ color: var(--muted); }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  user-select: none;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.22); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(34,197,94,.9));
  border-color: transparent;
}
.btn-primary:hover{
  background: linear-gradient(135deg, rgba(59,130,246,1), rgba(34,197,94,1));
}

.btn-ghost{
  background: rgba(255,255,255,.06);
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.brand-mark{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(59,130,246,1), rgba(34,197,94,1));
  box-shadow: 0 10px 30px rgba(59,130,246,.25);
}
.brand-name{ font-weight: 800; letter-spacing: .2px; }
.brand-tagline{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{ position: relative; }
.nav-menu{
  display:flex;
  align-items:center;
  gap: 14px;
}
.nav-link{
  color: var(--muted);
  padding: .55rem .75rem;
  border-radius: 999px;
  transition: background .15s ease, color .15s ease;
}
.nav-link:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.nav-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  cursor: pointer;
}
.nav-toggle-line{
  display:block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: rgba(255,255,255,.85);
  border-radius: 99px;
}

.hero{
  position: relative;
  padding-bottom: 28px;
}
.hero-carousel{
  position: relative;
  overflow: hidden;
}
.hero-track{
  display:flex;
  width: 100%;
  transform: translateX(0);
  transition: transform .6s ease;
}
.hero-slide{
  position: relative;
  min-width: 100%;
  height: clamp(520px, 72vh, 720px);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(90deg, rgba(11,18,32,.85) 0%, rgba(11,18,32,.55) 55%, rgba(11,18,32,.25) 100%);
}
.hero-content{
  position: relative;
  height: 100%;
  display:flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 36px 0;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  color: rgba(255,255,255,.8);
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: none;
}
.kicker::before{
  content:"";
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(59,130,246,1), rgba(34,197,94,1));
}
.hero h1{
  margin: 0;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.7px;
}
.hero-subtitle{
  margin: 0;
  max-width: 62ch;
  color: rgba(255,255,255,.78);
  font-size: 16px;
}
.hero-actions{
  display:flex;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.hero-controls{
  position: absolute;
  left: 0; right: 0;
  bottom: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  pointer-events: none;
}
.carousel-btn{
  pointer-events: auto;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.25);
  color: rgba(255,255,255,.9);
  font-size: 26px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.carousel-btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.28);
  background: rgba(0,0,0,.33);
}
.hero-dots{
  pointer-events: auto;
  display:flex;
  gap: 8px;
  align-items:center;
  justify-content:center;
}
.dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.12);
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.dot.is-active{
  background: rgba(255,255,255,.9);
  transform: scale(1.2);
}

.hero-badges{
  margin-top: -26px;
  position: relative;
  z-index: 2;
}
.badges-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.badge{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.15);
}
.badge-title{ font-weight: 800; }
.badge-text{ color: var(--muted); font-size: 13px; margin-top: 2px; }

.section{
  padding: 64px 0;
}
.section-alt{
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.section-head h2{
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.3px;
}
.section-head p{
  margin: 0;
  max-width: 62ch;
}

.product-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.product-card{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  box-shadow: 0 10px 40px rgba(0,0,0,.18);
}
.product-card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.055);
}
.product-media{
  aspect-ratio: 4 / 3;
  background: rgba(255,255,255,.06);
}
.product-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-body{
  padding: 14px 14px 16px;
}
.product-title{
  font-weight: 800;
  margin-bottom: 6px;
}
.product-desc{
  color: var(--muted);
  font-size: 13px;
  min-height: 40px;
}
.product-cta{
  margin-top: 10px;
  font-weight: 700;
  color: rgba(255,255,255,.86);
}

.about-wrap{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: start;
}
.about-left h2{ margin-top: 0; }
.about-points{
  display:grid;
  gap: 10px;
  margin-top: 18px;
}
.point{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: 14px;
}
.point-title{ font-weight: 800; margin-bottom: 4px; }
.point-text{ color: var(--muted); font-size: 13px; }
.about-actions{ display:flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }

.about-right{
  display:grid;
  gap: 14px;
}
.about-card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  padding: 16px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  box-shadow: var(--shadow);
}
.about-metric{
  text-align: center;
  border-radius: 14px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.08);
  padding: 12px 8px;
}
.metric-num{ font-size: 22px; font-weight: 900; letter-spacing: -0.3px; }
.metric-label{ color: var(--muted); font-size: 12px; margin-top: 4px; }

.about-image{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
}
.about-image img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
  margin-top: 18px;
}
.contact-map{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
  min-height: 420px;
}
.contact-map iframe{
  width: 100%;
  height: 100%;
  border: 0;
  min-height: 420px;
}

.info-card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  padding: 18px;
  box-shadow: var(--shadow);
}
.info-card h3{ margin: 0 0 6px; }
.info-list{
  margin-top: 12px;
  display:grid;
  gap: 10px;
}
.info-row{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(0,0,0,.16);
  border: 1px solid rgba(255,255,255,.08);
}
.info-label{ color: rgba(255,255,255,.78); font-weight: 700; font-size: 13px; }
.info-value{ color: rgba(255,255,255,.86); font-size: 13px; }
.info-value a{ text-decoration: underline; text-underline-offset: 3px; }

.divider{
  height: 1px;
  background: rgba(255,255,255,.10);
  margin: 16px 0;
}

.contact-form label{
  display:block;
  margin-bottom: 12px;
}
.contact-form span{
  display:block;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.84);
  margin-bottom: 6px;
}
input, textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
  color: rgba(255,255,255,.92);
  padding: 12px 12px;
  outline: none;
}
input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.45); }
input:focus, textarea:focus{ border-color: rgba(59,130,246,.55); }

.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.form-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.form-hint{
  margin: 10px 0 0;
  font-size: 12px;
}

.site-footer{
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  background: rgba(11,18,32,.55);
  backdrop-filter: blur(10px);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}
.footer-brand{ font-weight: 900; margin-bottom: 2px; }
.footer-right{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-right a{
  color: var(--muted);
  padding: .3rem .5rem;
  border-radius: 999px;
}
.footer-right a:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
}

/* Responsive */
@media (max-width: 980px){
  .product-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-wrap{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav-toggle{ display: inline-flex; align-items:center; justify-content:center; }
  .nav-menu{
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(320px, calc(100vw - 40px));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(11,18,32,.85);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
  }
  .nav-menu.is-open{ display:flex; }
  .nav-link{ padding: .8rem .9rem; }

  .badges-grid{ grid-template-columns: 1fr; }
  .section-head{ flex-direction: column; align-items:flex-start; }
  .form-row{ grid-template-columns: 1fr; }
  .info-row{ grid-template-columns: 76px 1fr; }
}