:root {
  --bg: #040b1a;
  --bg2: #071228;
  --bg3: #0a1a36;
  --cyan: #00e5ff;
  --cyan2: #00b8d9;
  --gold: #f0a500;
  --white: #e8f4ff;
  --text: #b0cce8;
  --border: rgba(0,229,255,0.15);
  --card: rgba(10,26,54,0.85);
  --glow: 0 0 30px rgba(0,229,255,0.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--white);
  font-family:'Noto Sans SC',sans-serif;
  font-size:18px;
  line-height:1.7;
  overflow-x:hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--cyan2);border-radius:3px}

/* ===== NAV ===== */
nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 60px;height:72px;
  background:rgba(4,11,26,0.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.logo{
  font-family:'Rajdhani',sans-serif;
  font-size:32px;font-weight:700;
  color:var(--cyan);
  letter-spacing:2px;
  text-shadow:0 0 20px rgba(0,229,255,0.5);
}
.logo span{color:var(--gold)}
nav ul{list-style:none;display:flex;gap:36px}
nav ul a{
  color:var(--text);font-size:17px;text-decoration:none;
  transition:color .3s;letter-spacing:.5px;
}
nav ul a:hover{color:var(--cyan)}
.nav-cta{
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));
  color:#040b1a!important;font-weight:700;
  padding:10px 28px;border-radius:4px;
  transition:all .3s!important;
}
.nav-cta:hover{box-shadow:var(--glow);transform:translateY(-1px)}

/* ===== HERO ===== */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
  padding:100px 60px 80px;
  background:radial-gradient(ellipse 100% 80% at 50% 0%,rgba(0,100,200,0.18) 0%,transparent 70%);
}
/* FIX: pointer-events:none so grid/orbs don't block button clicks */
.hero-grid{
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,255,0.04) 1px,transparent 1px);
  background-size:60px 60px;
  animation:gridMove 20s linear infinite;
}
@keyframes gridMove{from{transform:translateY(0)}to{transform:translateY(60px)}}
.hero-orb{
  position:absolute;
  border-radius:50%;filter:blur(80px);pointer-events:none;
}
.orb1{width:600px;height:600px;top:-200px;left:-100px;background:rgba(0,100,255,0.12)}
.orb2{width:500px;height:500px;bottom:-100px;right:-100px;background:rgba(0,229,255,0.08)}

/* FIX: hero content needs position:relative and z-index to sit above decorative layers */
.hero-content{
  position:relative;
  z-index:2;
  display:flex;flex-direction:column;align-items:center;
}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,229,255,0.1);border:1px solid var(--border);
  border-radius:20px;padding:6px 20px;margin-bottom:30px;
  font-size:15px;color:var(--cyan);letter-spacing:1px;
}
.hero-badge::before{content:'';width:8px;height:8px;background:var(--cyan);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}

.hero h1{
  font-size:72px;font-weight:900;text-align:center;line-height:1.15;
  max-width:1000px;position:relative;
}
.hero h1 .c{color:var(--cyan);text-shadow:0 0 40px rgba(0,229,255,0.4)}
.hero h1 .g{color:var(--gold)}

.hero-sub{
  font-size:22px;color:var(--text);text-align:center;
  max-width:700px;margin:24px auto 0;
}
.hero-stats{
  display:flex;gap:60px;margin-top:60px;position:relative;
}
.stat{text-align:center}
.stat-num{
  font-family:'Rajdhani',sans-serif;
  font-size:52px;font-weight:700;color:var(--cyan);
  line-height:1;
}
.stat-label{font-size:16px;color:var(--text);margin-top:6px}

.hero-btns{display:flex;gap:20px;margin-top:50px}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));
  color:#040b1a;font-weight:700;font-size:20px;
  padding:18px 48px;border-radius:6px;text-decoration:none;
  transition:all .3s;letter-spacing:.5px;
  box-shadow:0 0 30px rgba(0,229,255,0.3);
  position:relative;z-index:3;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 50px rgba(0,229,255,0.5)}
.btn-outline{
  border:2px solid var(--cyan);color:var(--cyan);
  font-size:20px;padding:18px 48px;border-radius:6px;
  text-decoration:none;font-weight:600;letter-spacing:.5px;
  transition:all .3s;
  position:relative;z-index:3;
}
.btn-outline:hover{background:rgba(0,229,255,0.1);transform:translateY(-3px)}

.scroll-hint{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--text);font-size:14px;opacity:.6;
  pointer-events:none;
}
.scroll-arrow{
  width:24px;height:24px;border-right:2px solid var(--text);
  border-bottom:2px solid var(--text);
  transform:rotate(45deg);
  animation:scrollBounce 1.5s ease-in-out infinite;
}
@keyframes scrollBounce{0%,100%{transform:rotate(45deg) translateY(0)}50%{transform:rotate(45deg) translateY(6px)}}

/* ===== SECTION BASE ===== */
section{padding:100px 60px}
.section-label{
  font-size:14px;letter-spacing:3px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
  text-align:center; /* FIX: centered */
}
.section-title{
  font-size:48px;font-weight:900;line-height:1.2;margin-bottom:16px;
  text-align:center; /* FIX: centered */
}
.section-sub{
  font-size:20px;color:var(--text);margin-bottom:60px;
  text-align:center; /* FIX: centered */
}

/* ===== REGIONS OVERVIEW ===== */
.regions{background:var(--bg2)}
.region-cards{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.region-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:36px 30px;
  position:relative;overflow:hidden;
  transition:all .4s;cursor:pointer;
  text-decoration:none;color:inherit;display:block;
}
.region-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,229,255,0.06),transparent);
  opacity:0;transition:.4s;
}
.region-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:var(--glow)}
.region-card:hover::before{opacity:1}
.region-icon{font-size:48px;margin-bottom:20px;display:block}
.region-name{font-size:26px;font-weight:900;margin-bottom:8px}
.region-price{
  font-family:'Rajdhani',sans-serif;
  font-size:36px;font-weight:700;color:var(--cyan);
}
.region-price span{font-size:17px;color:var(--text);font-family:'Noto Sans SC',sans-serif}
.region-tag{
  display:inline-block;background:rgba(0,229,255,0.12);
  border:1px solid rgba(0,229,255,0.25);color:var(--cyan);
  font-size:13px;padding:3px 12px;border-radius:20px;margin-top:12px;
}

/* ===== PRODUCTS SECTION ===== */
.products{background:var(--bg)}
.tabs-wrapper{position:relative}
.tab-nav{
  display:flex;gap:0;margin-bottom:0;
  border-bottom:2px solid var(--border);
  overflow-x:auto;
}
.tab-btn{
  padding:18px 36px;font-size:18px;font-weight:600;
  color:var(--text);background:none;border:none;cursor:pointer;
  border-bottom:3px solid transparent;margin-bottom:-2px;
  transition:all .3s;white-space:nowrap;letter-spacing:.5px;
}
.tab-btn:hover,.tab-btn.active{color:var(--cyan);border-bottom-color:var(--cyan)}
.tab-btn.active{font-weight:700}

.tab-content{display:none;padding-top:48px;animation:fadeIn .4s ease}
.tab-content.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.product-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.product-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:30px 24px;
  position:relative;transition:all .3s;
  overflow:hidden;
}
.product-card::after{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--cyan2));
  transform:scaleX(0);transition:.3s;
}
.product-card:hover{border-color:rgba(0,229,255,0.4);box-shadow:var(--glow);transform:translateY(-4px)}
.product-card:hover::after{transform:scaleX(1)}
.product-card.featured{border-color:var(--gold);box-shadow:0 0 25px rgba(240,165,0,0.2)}
.product-card.featured::after{background:linear-gradient(90deg,var(--gold),#e68900);transform:scaleX(1)}
.featured-badge{
  position:absolute;top:16px;right:16px;
  background:var(--gold);color:#040b1a;
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:3px;
}
.product-name{
  font-family:'Rajdhani',sans-serif;
  font-size:22px;font-weight:700;color:var(--cyan);margin-bottom:6px;
}
.product-price{
  font-family:'Rajdhani',sans-serif;
  font-size:40px;font-weight:700;line-height:1.1;margin-bottom:4px;
}
.product-price sup{font-size:20px;color:var(--text)}
.product-price span{font-size:18px;color:var(--text)}
.product-specs{
  margin:18px 0;display:flex;flex-direction:column;gap:8px;
}
.spec-row{
  display:flex;align-items:center;gap:10px;
  font-size:15px;color:var(--text);
}
.spec-row::before{
  content:'';width:6px;height:6px;
  background:var(--cyan);border-radius:50%;flex-shrink:0;
}
.spec-row b{color:var(--white)}
.buy-btn{
  display:block;width:100%;
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));
  color:#040b1a;font-weight:700;font-size:17px;
  padding:13px;border-radius:6px;text-decoration:none;
  text-align:center;margin-top:20px;
  transition:all .3s;
}
.buy-btn:hover{box-shadow:0 0 20px rgba(0,229,255,0.4);transform:translateY(-2px)}
.product-card.featured .buy-btn{background:linear-gradient(135deg,var(--gold),#e68900)}

/* Physical servers grid (fewer, bigger cards) */
.product-grid-3{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}

/* DDoS cards */
.ddos-card{
  background:linear-gradient(135deg,rgba(10,26,54,0.95),rgba(6,15,35,0.9));
  border:1px solid rgba(240,165,0,0.2);
  border-radius:12px;padding:36px;
  position:relative;overflow:hidden;transition:all .3s;
}
.ddos-card:hover{border-color:var(--gold);box-shadow:0 0 30px rgba(240,165,0,0.15);transform:translateY(-4px)}
.ddos-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold),#ff6b35);
}
.ddos-shield{
  font-size:36px;margin-bottom:16px;display:block;
}
.ddos-peak{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,165,0,0.12);border:1px solid rgba(240,165,0,0.3);
  padding:6px 16px;border-radius:20px;margin-bottom:16px;
}
.ddos-peak-num{
  font-family:'Rajdhani',sans-serif;
  font-size:28px;font-weight:700;color:var(--gold);
}
.ddos-peak-unit{font-size:14px;color:var(--text)}
.ddos-card .product-price{color:var(--gold)}
.ddos-card .buy-btn{background:linear-gradient(135deg,var(--gold),#e68900)}

/* ===== WHY US ===== */
.why-us{background:var(--bg2)}
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:30px;
}
.feature-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:40px 34px;
  transition:all .4s;
}
.feature-card:hover{border-color:rgba(0,229,255,0.4);transform:translateY(-6px)}
.feature-icon{
  width:60px;height:60px;
  background:linear-gradient(135deg,rgba(0,229,255,0.15),rgba(0,229,255,0.05));
  border:1px solid rgba(0,229,255,0.2);border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-bottom:24px;
}
.feature-title{font-size:24px;font-weight:700;margin-bottom:12px}
.feature-text{font-size:17px;color:var(--text);line-height:1.8}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  background:rgba(0,229,255,0.08);border:1px solid rgba(0,229,255,0.15);
  color:var(--cyan2);font-size:13px;padding:4px 12px;border-radius:3px;
}

/* ===== SOLUTIONS ===== */
.solutions{background:var(--bg)}
.solution-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;justify-content:center}
.sol-btn{
  padding:12px 28px;border-radius:4px;font-size:17px;font-weight:600;
  border:1px solid var(--border);background:none;color:var(--text);
  cursor:pointer;transition:all .3s;
}
.sol-btn:hover,.sol-btn.active{
  background:rgba(0,229,255,0.1);border-color:var(--cyan);color:var(--cyan);
}
.sol-content{display:none;animation:fadeIn .4s ease}
.sol-content.active{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.sol-text h3{font-size:32px;font-weight:800;margin-bottom:16px}
.sol-text p{font-size:18px;color:var(--text);margin-bottom:24px;line-height:1.9}
.sol-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.sol-list li{
  display:flex;align-items:center;gap:12px;
  font-size:17px;color:var(--text);
}
.sol-list li::before{
  content:'✓';color:var(--cyan);font-weight:700;font-size:18px;flex-shrink:0;
}
/* FIX: solution image container */
.sol-visual{
  border-radius:16px;overflow:hidden;
  position:relative;min-height:300px;
}
.sol-visual img{
  width:100%;height:100%;object-fit:cover;
  display:block;min-height:300px;
  border-radius:16px;
  transition:transform .4s ease;
}
.sol-visual:hover img{transform:scale(1.04)}
.sol-visual::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,229,255,0.12),rgba(0,0,0,0.3));
  border-radius:16px;pointer-events:none;
}

/* ===== FAQ ===== */
.faq{background:var(--bg2)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:30px;cursor:pointer;transition:all .3s;
}
.faq-item:hover{border-color:rgba(0,229,255,0.3)}
.faq-q{
  font-size:19px;font-weight:700;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q::after{
  content:'＋';color:var(--cyan);font-size:24px;flex-shrink:0;
  transition:transform .3s;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  font-size:16px;color:var(--text);margin-top:0;max-height:0;
  overflow:hidden;transition:all .4s;line-height:1.8;
}
.faq-item.open .faq-a{margin-top:16px;max-height:300px}

/* ===== FOOTER ===== */
footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  padding:60px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:50px}
.footer-brand .logo{font-size:28px;display:block;margin-bottom:16px}
.footer-brand p{font-size:16px;color:var(--text);line-height:1.9}
.footer-col h4{font-size:18px;font-weight:700;margin-bottom:20px;color:var(--cyan)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:16px;color:var(--text);text-decoration:none;transition:color .3s}
.footer-col ul a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--border);margin-top:50px;padding-top:30px;
  text-align:center;font-size:15px;color:var(--text);
}

/* ===== FLOATING SIDEBAR ===== */
.float-sidebar{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  z-index:999;display:flex;flex-direction:column;gap:0;
}
.float-btn{
  display:flex;align-items:center;gap:0;
  overflow:hidden;transition:all .4s cubic-bezier(.25,.8,.25,1);
  width:52px;cursor:pointer;
}
.float-btn:first-child{border-radius:8px 0 0 0}
.float-btn:last-child{border-radius:0 0 0 8px}
.float-icon{
  width:52px;height:52px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.float-btn.tg{background:#229ed9}
.float-btn.kefu{background:#12b7f5}
.float-btn.top{background:var(--bg3);border:1px solid var(--border);border-right:none}
.float-label{
  white-space:nowrap;font-size:15px;font-weight:600;
  color:#fff;overflow:hidden;width:0;transition:width .4s;padding-right:0;
}
.float-btn:hover .float-label{width:90px;padding-right:16px}
.float-btn:hover{width:142px}
.float-btn.tg:hover{background:#1a8fc4}
.float-btn.kefu:hover{background:#0fa3e0}
.float-btn a{
  display:flex;align-items:center;
  text-decoration:none;color:#fff;width:100%;
}

/* ===== ANNOUNCE BAR ===== */
.announce{
  background:linear-gradient(90deg,var(--bg3),rgba(0,229,255,0.08),var(--bg3));
  border-bottom:1px solid var(--border);
  padding:12px 60px;
  text-align:center;font-size:15px;color:var(--text);
}
.announce span{color:var(--cyan);font-weight:600}

/* ===== MARQUEE ===== */
.marquee-wrap{
  background:rgba(0,229,255,0.05);border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);padding:14px 0;overflow:hidden;
}
.marquee-inner{
  display:flex;gap:80px;white-space:nowrap;
  animation:marqueeMove 30s linear infinite;
}
@keyframes marqueeMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee-item{
  font-size:16px;color:var(--text);display:flex;align-items:center;gap:10px;
}
.marquee-item span{color:var(--cyan);font-weight:600}

/* responsive */
@media(max-width:1200px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid-3{grid-template-columns:repeat(2,1fr)}
  .region-cards{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  nav{padding:0 20px}
  nav ul{display:none}
  .hero h1{font-size:40px}
  section{padding:60px 20px}
  .product-grid,.region-cards,.features-grid,.faq-grid{grid-template-columns:1fr}
  .sol-content.active{grid-template-columns:1fr}
  footer{padding:40px 20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}