:root{--bg: #0B0E1A;--surface: rgba(255,255,255,.05);--text: #E5E7EB;--muted: #9CA3AF;--primary: #22D3EE;--secondary: #A78BFA;--border: #1F2430;--radius-sm: 8px;--radius-md: 12px;--shadow-sm: 0 1px 0 rgba(255,255,255,.03);--shadow-md: 0 1px 0 rgba(255,255,255,.03), 0 8px 24px rgba(0,0,0,.35);--glow-cyan: 0 0 12px rgba(34,211,238,.35), 0 0 28px rgba(34,211,238,.18);--glow-purple: 0 0 12px rgba(167,139,250,.35), 0 0 28px rgba(167,139,250,.18)}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;color:var(--text);background:radial-gradient(800px 400px at 20% 0%,rgba(34,211,238,.08),transparent 60%),radial-gradient(800px 400px at 80% 0%,rgba(167,139,250,.08),transparent 60%),radial-gradient(2px 2px at 30% 20%,rgba(255,255,255,.07),transparent 50%),linear-gradient(#0b0e1a,#0b0e1a);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Noto Sans CJK SC,Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3{margin:0 0 12px;letter-spacing:.01em}h1{font-size:42px;line-height:1.15;font-weight:800}h2{font-size:28px;line-height:1.25;font-weight:700}h3{font-size:20px;line-height:1.35;font-weight:600}p{line-height:1.8;color:var(--text)}.gradient-text{background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;background:#090c16a6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav{height:64px;display:flex;align-items:center;gap:16px}.brand{font-weight:800;text-decoration:none;color:#fff;letter-spacing:.04em;margin-right:12px;text-shadow:var(--glow-purple)}.links{display:flex;gap:14px;flex:1}.links a{text-decoration:none;color:var(--text);padding:8px 10px;border-radius:var(--radius-sm);border:1px solid transparent;transition:all .2s ease}.links a:hover{color:#fff;text-shadow:var(--glow-cyan)}.links a.router-link-active{background:linear-gradient(90deg,#22d3ee1f,#a78bfa1f);color:#fff;border-color:#ffffff1f;box-shadow:var(--glow-cyan)}.lang{display:flex;align-items:center;gap:8px}.lang-label{color:var(--muted);font-size:14px}.lang select{appearance:none;padding:6px 28px 6px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#ffffff08;color:var(--text);font-size:14px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 12px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}main.container{padding:28px 20px 64px}.site-footer{border-top:1px solid var(--border);padding:16px 0;color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;font-size:14px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all .2s ease}.btn-primary{background:linear-gradient(90deg,#22d3ee26,#a78bfa26);color:#fff;border-color:#ffffff29;box-shadow:var(--glow-cyan)}.btn-primary:hover{background:linear-gradient(90deg,#22d3ee40,#a78bfa40);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--text);border-color:#ffffff2e}.btn-outline:hover{border-color:#ffffff47;box-shadow:var(--glow-purple)}.card{background:linear-gradient(180deg,#ffffff0f,#ffffff08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:16px}.section{padding:56px 0;border-top:1px solid rgba(255,255,255,.06)}.hero{padding:80px 0 40px;text-align:center}.hero p{color:var(--muted);max-width:760px;margin:12px auto 0}.text-muted{color:var(--muted)}.text-primary{color:var(--primary)}.text-secondary{color:var(--secondary)}.border{border:1px solid var(--border);border-radius:var(--radius-sm)}.rounded{border-radius:var(--radius-sm)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}