*{box-sizing:border-box;margin:0;padding:0}:root{--bg-main:#0b0f19;--bg-panel:#111827;--tech-cyan:#00f0ff;--tech-blue:#3b82f6;--text-main:#e2e8f0;--text-muted:#94a3b8;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.5);--shadow-md:0 4px 10px rgba(0,0,0,.5);--border-radius:4px;--transition:all .3s cubic-bezier(.4,0,.2,1)}body{background-attachment:fixed;background-color:var(--bg-main);background-image:linear-gradient(rgba(0,240,255,.03) 1px,transparent 0),linear-gradient(90deg,rgba(0,240,255,.03) 1px,transparent 0);background-size:30px 30px;color:var(--text-main);font-family:Helvetica Neue,Helvetica,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;flex-direction:column;min-height:100vh;position:relative}.global-tech-glow{background:radial-gradient(ellipse at center,#3b82f61a 0,#0b0f1900 70%);height:300px;left:50%;pointer-events:none;position:fixed;top:-150px;transform:translate(-50%);width:100vw;z-index:0}.container{margin:0 auto;max-width:1280px;padding:0 1.5rem;width:100%}.tech-header{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:#0b0f19d9;border-bottom:1px solid rgba(0,240,255,.2);box-shadow:0 4px 20px #0009;padding:1rem 0;position:sticky;top:0;z-index:100}.tech-header:after{background:linear-gradient(90deg,transparent,var(--tech-cyan),transparent);bottom:-1px;content:"";height:1px;left:0;opacity:.6;position:absolute;width:100%}.header-content{align-items:center;display:flex;justify-content:space-between}.logo{font-size:1.25rem;font-weight:600;letter-spacing:1px;margin:0}.logo-link{align-items:center;color:var(--text-main);display:flex;gap:.3rem;text-decoration:none;text-shadow:0 0 10px hsla(0,0%,100%,.1);transition:var(--transition)}.logo-link:hover{color:var(--tech-cyan);text-shadow:0 0 15px rgba(0,240,255,.4)}.tech-bracket{color:var(--tech-cyan);font-family:Consolas,monospace;font-weight:400;opacity:.8}.nav-list{display:flex;gap:1rem;list-style:none}.nav-link{border:1px solid transparent;border-radius:var(--border-radius);color:var(--text-muted);font-family:Consolas,Microsoft YaHei,sans-serif;font-size:.95rem;font-weight:500;letter-spacing:1px;padding:.4rem .8rem;text-decoration:none;transition:var(--transition)}.nav-link:hover{background-color:#00f0ff0d;border-color:#00f0ff4d;color:var(--tech-cyan);text-shadow:0 0 8px rgba(0,240,255,.4)}.nav-link.active{background-color:#3b82f626;border-color:var(--tech-cyan);box-shadow:0 0 15px #00f0ff26;color:var(--tech-cyan)}.main{flex:1;position:relative;z-index:1}@media(max-width:768px){.tech-header{padding:.8rem 0}.header-content{flex-direction:row;justify-content:space-between}.logo{font-size:1.1rem}.nav-link{font-size:.85rem;padding:.3rem .6rem}.container{padding:0 1rem}}