:root{--bg:#f5f6fa;--card:#fff;--text:#1a1d24;--muted:#6b7280;--primary:#4f46e5;--primary-hover:#4338ca;--border:#e5e7eb;--danger:#dc2626}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;width:100%;max-width:420px;padding:40px;box-shadow:0 10px 30px #0000000f}.brand{align-items:center;gap:12px;margin-bottom:28px;display:flex}.logo{background:var(--primary);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;font-weight:700;display:flex}.brand h1{margin:0;font-size:20px}.brand p{color:var(--muted);margin:2px 0 0;font-size:13px}.tabs{gap:8px;margin-bottom:24px;display:flex}.tab{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:10px;flex:1;padding:10px;font-size:14px;transition:all .15s}.tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.field{margin-bottom:16px}.field label{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}.field input{border:1px solid var(--border);border-radius:10px;outline:none;width:100%;padding:12px 14px;font-size:14px;transition:border-color .15s}.field input:focus{border-color:var(--primary)}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:12px;font-size:15px;font-weight:600;transition:background .15s}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--danger);background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:16px;padding:10px 14px;font-size:13px}.home-header{background:var(--card);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 32px;display:flex}.home-header .user{align-items:center;gap:12px;display:flex}.avatar{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-weight:600;display:flex}.home-main{max-width:720px;margin:0 auto;padding:48px 32px}.home-main h2{margin:0 0 8px;font-size:28px}.home-main .sub{color:var(--muted);margin:0 0 32px}.info-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.info-box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.info-box .label{color:var(--muted);margin-bottom:6px;font-size:12px}.info-box .value{word-break:break-all;font-size:16px;font-weight:600}.link-btn{border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;border-radius:10px;padding:10px 20px;font-size:14px;text-decoration:none;display:inline-block}.link-btn:hover{border-color:var(--primary);color:var(--primary)}