:root{--tech-bg:#050B12;--tech-panel:#091522;--tech-cyan:#00D9FF;--tech-blue:#147BFF;--tech-amber:#FF9D2E;--tech-text:#EAF8FF;--tech-muted:#7F9FB2;--tech-line:rgba(85,196,255,.18)}body{background:var(--tech-bg);color:var(--tech-text);font-family:"Segoe UI Variable","Inter","PingFang SC","Microsoft YaHei",sans-serif}.site-header{position:relative;z-index:20;background:rgba(5,11,18,.86);border-color:var(--tech-line);backdrop-filter:blur(18px)}.site-header nav{color:#b9d2df}.button{position:relative;background:linear-gradient(110deg,var(--tech-cyan),var(--tech-blue));color:#02080e;box-shadow:0 0 28px rgba(0,217,255,.18);clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}.button:hover{background:linear-gradient(110deg,#55e7ff,#438fff)}.tech-hero{max-width:none;min-height:calc(100vh - 84px);position:relative;display:block;padding:0;overflow:hidden;border-bottom:1px solid var(--tech-line)}.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.tech-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,8,14,.98) 0%,rgba(3,8,14,.86) 34%,rgba(3,8,14,.2) 69%,rgba(3,8,14,.08)),linear-gradient(0deg,rgba(5,11,18,.92),transparent 40%)}.hero-content{position:relative;z-index:3;max-width:1200px;margin:auto;padding:110px 28px 70px;min-height:calc(100vh - 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