*,::after,::before{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f5f7fa;--color-card:#ffffff;--color-text:#1f2937;--color-text-muted:#6b7280;--color-primary:#2563eb;--color-primary-light:#dbeafe;--shadow:0 10px 25px rgba(15, 23, 42, 0.08);--radius:12px}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}.loading-page{display:flex;align-items:center;justify-content:center;min-height:100%;padding:24px}.loading-card{width:100%;max-width:360px;padding:40px 32px;text-align:center;background:var(--color-card);border-radius:var(--radius);box-shadow:var(--shadow)}.spinner{width:48px;height:48px;margin:0 auto 24px;border:4px solid var(--color-primary-light);border-top-color:var(--color-primary);border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-title{font-size:1.25rem;font-weight:600;margin-bottom:8px}.loading-text{font-size:.9375rem;color:var(--color-text-muted)}.noscript-tip{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;background:var(--color-bg)}.noscript-tip a{color:var(--color-primary);text-decoration:none}.noscript-tip a:hover{text-decoration:underline}@media (prefers-reduced-motion:reduce){.spinner{animation:none;border-top-color:var(--color-primary-light);border-right-color:var(--color-primary)}}