:root{--bg-page:#fff;--bg-hero:linear-gradient(180deg, #f0f5ff 0%, #fff 70%);--bg-alt:#f7f8fa;--bg-card:#fff;--bg-card-soft:#f7f9fc;--c-primary:#165dff;--c-primary-hover:#0e4fe0;--c-primary-soft:#e8f0ff;--c-cyan:#165dff;--t-1:#1d2129;--t-2:#4e5969;--t-3:#86909c;--t-4:#a9aeb8;--b-1:#ebedf0;--b-2:#c9dcff;--s-card:0 8px 24px #165dff0f;--s-card-hover:0 12px 32px #165dff1f;--s-glow:0 0 20px #165dff26;--radius:14px;--radius-lg:20px;--font-tech:"Orbitron", "Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-page);color:var(--t-1);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}ul{list-style:none}img{max-width:100%;display:block}::selection{color:var(--c-primary);background:#165dff26}.wrap{width:100%;margin:0 auto;padding:0 clamp(20px,4vw,56px)}.reveal{opacity:0;will-change:opacity, transform;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(36px)}.reveal.is-visible{opacity:1;transform:translateY(0)}.gradient-text{background:linear-gradient(90deg,#165dff,#4080ff);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.btn-tech{cursor:pointer;border:1px solid var(--b-1);color:var(--t-1);background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:11px 24px;font-size:15px;font-weight:500;transition:all .25s;display:inline-flex;position:relative;overflow:hidden}.btn-tech:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--s-glow);transform:translateY(-1px)}.btn-tech.primary{background:var(--c-primary);color:#fff;border:none;font-weight:500}.btn-tech.primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 8px 20px #165dff4d}.btn-tech.lg{padding:14px 30px;font-size:16px}.sec-head{text-align:center;margin-bottom:56px}.sec-head .pill{color:var(--c-primary);background:var(--c-primary-soft);letter-spacing:1px;border-radius:999px;align-items:center;gap:6px;margin-bottom:18px;padding:5px 16px;font-size:13px;display:inline-flex}.sec-head h2{letter-spacing:1px;color:var(--t-1);font-size:34px;font-weight:600}.sec-head p{color:var(--t-3);margin-top:14px;font-size:15px}section{padding:96px 0;position:relative}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f7f8fa}::-webkit-scrollbar-thumb{background:#c9d4e5;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--c-primary)}