*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#050510;--card:#0d0d1a;--card2:#12122a;--pink:#f472b6;--cyan:#22d3ee;--purple:#a78bfa;--blue:#60a5fa;--yellow:#fbbf24;--text:#e2e8f0;--muted:#64748b;--border:#1e1e3a}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei',Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);pointer-events:none;z-index:9999}
nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(5,5,16,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 5%}
nav .inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:22px;font-weight:800;color:var(--cyan);text-decoration:none;font-family:monospace;letter-spacing:2px}
.logo span{color:var(--pink)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;transition:all .3s}
.nav-links a:hover{color:var(--cyan)}
.nav-btns{display:flex;gap:10px}
.btn-nav{padding:8px 18px;border-radius:6px;font-size:13px;font-weight:700;text-decoration:none;transition:all .3s;text-transform:uppercase;letter-spacing:1px;font-family:monospace}
.btn-nav-outline{border:1px solid var(--cyan);color:var(--cyan)}
.btn-nav-outline:hover{background:var(--cyan);color:var(--bg);box-shadow:0 0 20px rgba(34,211,238,.3)}
.btn-nav-primary{background:var(--cyan);color:var(--bg)}
.btn-nav-primary:hover{box-shadow:0 0 30px rgba(34,211,238,.5)}
@media(max-width:768px){.nav-links{display:none}}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:0 5%;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url("../img/cyber-bg.jpg") center/cover no-repeat}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(5,5,16,.9) 0%,rgba(34,211,238,.08) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(34,211,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px);background-size:60px 60px}
.hero-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;width:100%;padding:100px 0 60px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.glitch{font-size:14px;font-weight:700;color:var(--cyan);text-transform:uppercase;letter-spacing:4px;margin-bottom:24px;font-family:monospace;animation:flicker 3s infinite}
@keyframes flicker{0%,100%{opacity:1}92%{opacity:1}93%{opacity:.3}94%{opacity:1}96%{opacity:.5}97%{opacity:1}}
.hero-title{font-size:58px;font-weight:900;color:#fff;margin-bottom:20px;line-height:1.05;letter-spacing:-1px;text-shadow:0 0 40px rgba(34,211,238,.3)}
.hero-title .cyan{color:var(--cyan)}
.hero-title .pink{color:var(--pink)}
.hero-desc{font-size:15px;color:var(--muted);margin-bottom:36px;line-height:1.9;font-family:monospace}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 30px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;transition:all .3s;font-family:monospace;text-transform:uppercase;letter-spacing:1px}
.btn-reg{background:var(--cyan);color:var(--bg);box-shadow:0 0 30px rgba(34,211,238,.4)}
.btn-reg:hover{box-shadow:0 0 50px rgba(34,211,238,.6)}
.btn-down{background:transparent;color:var(--pink);border:1px solid var(--pink)}
.btn-down:hover{background:rgba(244,114,182,.1);box-shadow:0 0 20px rgba(244,114,182,.3)}
.hero-right{text-align:center;position:relative}
.hero-right img{max-width:380px;width:100%;border-radius:12px;border:1px solid rgba(34,211,238,.2);box-shadow:0 0 60px rgba(34,211,238,.1)}
.scan-line{position:absolute;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);animation:scan 3s linear infinite;top:0;left:0;border-radius:12px}
@keyframes scan{0%{top:0;opacity:1}100%{top:100%;opacity:0}}
.neon-divider{height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--pink),var(--purple),transparent)}
section{padding:100px 5%}
.section-label{font-size:11px;font-weight:700;color:var(--pink);text-transform:uppercase;letter-spacing:4px;margin-bottom:12px;font-family:monospace}
.section-title{font-size:38px;font-weight:900;color:#fff;margin-bottom:16px;letter-spacing:-.5px}
.section-desc{font-size:15px;color:var(--muted);line-height:1.8}
.section-header{text-align:center;max-width:640px;margin:0 auto 60px}
.neon-section{background:linear-gradient(180deg,var(--bg) 0%,rgba(13,13,26,1) 100%)}
.features-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:32px 24px;transition:all .4s;position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;width:2px;height:0;background:var(--cyan);transition:height .4s}
.feat-card:hover::before{height:100%}
.feat-card:hover{border-color:rgba(34,211,238,.3);transform:translateY(-4px);box-shadow:0 0 30px rgba(34,211,238,.08)}
.feat-icon{font-size:36px;margin-bottom:16px}
.feat-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px;font-family:monospace}
.feat-desc{font-size:13px;color:var(--muted);line-height:1.7}
.neon-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.neon-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:36px;transition:all .4s;position:relative}
.neon-card:hover{border-color:rgba(34,211,238,.4);box-shadow:0 0 40px rgba(34,211,238,.1)}
.neon-card .card-glow{position:absolute;top:-1px;left:-1px;right:-1px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--pink));transform:scaleX(0);transition:transform .4s;transform-origin:left}
.neon-card:hover .card-glow{transform:scaleX(1)}
.neon-tag{display:inline-block;padding:4px 12px;border-radius:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;font-family:monospace;margin-bottom:16px}
.tag-c{background:rgba(34,211,238,.1);color:var(--cyan);border:1px solid rgba(34,211,238,.3)}
.tag-p{background:rgba(244,114,182,.1);color:var(--pink);border:1px solid rgba(244,114,182,.3)}
.tag-y{background:rgba(251,191,36,.1);color:var(--yellow);border:1px solid rgba(251,191,36,.3)}
.neon-title{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
.neon-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px}
.neon-features{list-style:none;display:flex;flex-direction:column;gap:8px}
.neon-features li{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;font-family:monospace}
.neon-features li::before{content:'//';color:var(--cyan);font-weight:700}
.stats-section{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr)}
.stat-item{text-align:center;padding:48px 24px;border-right:1px solid var(--border);position:relative}
.stat-item:last-child{border-right:none}
.stat-n{font-size:32px;font-weight:900;font-family:monospace;margin-bottom:6px;background:linear-gradient(135deg,var(--cyan),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;font-family:monospace}
.security-section{}
.security-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.sec-img img{max-width:460px;width:100%;border-radius:8px;border:1px solid rgba(34,211,238,.2)}
.sec-title{font-size:36px;font-weight:900;color:#fff;margin-bottom:20px}
.sec-title .cyan{color:var(--cyan)}
.sec-title .pink{color:var(--pink)}
.sec-desc{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:28px}
.sec-list{display:flex;flex-direction:column;gap:14px}
.sec-item{display:flex;gap:14px;align-items:flex-start;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:6px}
.sec-icon{font-size:24px}
.sec-text h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:3px}
.sec-text p{font-size:13px;color:var(--muted)}
.cta-section{background:linear-gradient(135deg,#0d0d1a,#1a0530);padding:100px 5%;text-align:center;position:relative;border-top:1px solid var(--border)}
.cta-title{font-size:48px;font-weight:900;color:#fff;margin-bottom:16px;font-family:monospace;text-shadow:0 0 40px rgba(244,114,182,.3)}
.cta-desc{font-size:17px;color:var(--muted);margin-bottom:40px;font-family:monospace}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-lg{padding:18px 40px;border-radius:6px;font-size:15px;font-weight:700;text-decoration:none;transition:all .3s;font-family:monospace;text-transform:uppercase;letter-spacing:1px}
.btn-lg-c{background:var(--pink);color:var(--bg);box-shadow:0 0 30px rgba(244,114,182,.4)}
.btn-lg-c:hover{box-shadow:0 0 50px rgba(244,114,182,.6)}
.btn-lg-t{background:transparent;color:var(--cyan);border:1px solid var(--cyan)}
.btn-lg-t:hover{background:rgba(34,211,238,.1)}
footer{background:var(--bg);border-top:1px solid var(--border);padding:60px 5% 30px}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--border)}
.footer-logo{font-size:22px;font-weight:800;color:var(--cyan);margin-bottom:16px;font-family:monospace;letter-spacing:2px}
.footer-logo span{color:var(--pink)}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.7;font-family:monospace}
.footer-col h4{font-size:12px;font-weight:700;color:#fff;margin-bottom:16px;text-transform:uppercase;letter-spacing:2px;font-family:monospace}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--muted);text-decoration:none;font-size:13px;font-family:monospace;transition:color .3s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:12px;color:var(--muted);font-family:monospace}
.footer-socials{display:flex;gap:8px}
.footer-social{width:36px;height:36px;border-radius:6px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none;transition:all .3s;font-size:14px;font-family:monospace}
.footer-social:hover{border-color:var(--cyan);color:var(--cyan)}
@media(max-width:1024px){
.hero-content,.security-grid{grid-template-columns:1fr}
.features-grid{grid-template-columns:repeat(2,1fr)}
.neon-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(3,1fr)}
.footer-top{grid-template-columns:1fr 1fr}
.hero-right{order:-1}}
@media(max-width:640px){
.hero-title{font-size:32px}
.section-title{font-size:26px}
.features-grid,.neon-grid,.stats-grid{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr}
.cta-title{font-size:28px}
.hero-btns{flex-direction:column;align-items:center}}