*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0a0e14;color:#e8eaed;min-height:100vh;-webkit-font-smoothing:antialiased}.entry-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.loading-container{text-align:center}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.15);border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:#9ca3af;font-size:15px}.error-container{text-align:center;max-width:320px}.error-icon{font-size:48px;margin-bottom:16px}.error-container h2{font-size:20px;margin-bottom:8px;color:#f87171}.error-container p{color:#9ca3af;font-size:14px;line-height:1.6}.wifi-guide{width:100%;max-width:400px}.hall-header{text-align:center;margin-bottom:24px}.hall-header h1{font-size:24px;font-weight:700;color:#f0f0f0;margin-bottom:4px}.hall-header .subtitle{font-size:14px;color:#6b7280}.guide-card{background:#151a22;border:1px solid #1e2736;border-radius:16px;padding:28px 20px;text-align:center}.step-icon{font-size:48px;margin-bottom:12px}.guide-card h3{font-size:18px;font-weight:600;margin-bottom:8px}.guide-desc{font-size:13px;color:#6b7280;margin-bottom:20px;line-height:1.5}.wifi-info{background:#0d1117;border-radius:10px;padding:14px;margin-bottom:16px}.wifi-row{display:flex;align-items:center;padding:8px 0}.wifi-row+.wifi-row{border-top:1px solid #1e2736}.wifi-row .label{font-size:13px;color:#6b7280;width:64px;flex-shrink:0;text-align:left}.wifi-row .value{flex:1;font-size:15px;font-weight:600;color:#e8eaed;word-break:break-all}.copy-btn{background:#1e2736;border:none;color:#3b82f6;font-size:12px;padding:4px 10px;border-radius:6px;cursor:pointer;flex-shrink:0;margin-left:8px;transition:background .2s}.copy-btn:active{background:#2a3548}.wifi-tips{font-size:12px;color:#6b7280;margin-bottom:16px;line-height:1.5}.retry-btn{width:100%;height:44px;background:#3b82f6;border:none;border-radius:10px;color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.retry-btn:active{background:#2563eb}.wechat-tip{margin-top:16px;background:#fbbf241a;border:1px solid rgba(251,191,36,.2);border-radius:10px;padding:12px}.wechat-tip p{font-size:12px;color:#fbbf24;line-height:1.5}