:root{--bg: #F5F5F7;--card: #ffffff;--text: #1d1d1f;--sub: #86868b;--accent: #5856D6;--border: #e8e8ed;--radius: 14px;--shadow: 0 2px 12px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}#app{width:100%;min-height:100vh}a{text-decoration:none;color:inherit}img{display:block}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:0 16px 80px}.pc-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 24px;background:#ffffffd1;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);max-width:1200px;margin:0 auto;width:100%}.pc-brand{font-size:18px;font-weight:700;letter-spacing:1px}.pc-nav{display:flex;gap:8px}.pc-nav-item{display:flex;align-items:center;gap:4px;padding:6px 14px;border-radius:18px;font-size:14px;color:var(--sub);transition:all .2s}.pc-nav-item:hover{background:#5856d614}.pc-nav-item.router-link-active{color:#fff;background:var(--accent)}.nav-icon{font-size:16px}.pc-main{padding-top:16px}.mobile-tabbar{position:fixed;bottom:0;left:0;right:0;height:56px;display:flex;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--border);z-index:100;max-width:520px;margin:0 auto}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--sub);font-size:10px}.tab-item.tab-active{color:var(--accent)}.tab-icon{font-size:20px;line-height:1}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 1px 4px #0000000a}.page-title{font-size:18px;font-weight:700;margin-bottom:12px}.section-label{font-size:13px;color:var(--sub);margin-bottom:8px;font-weight:600}.empty-state{text-align:center;padding:40px 16px;color:var(--sub);font-size:14px}@media (min-width: 768px){.pc-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.pc-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}}