.loading-overlay{position:fixed;inset:0;background-color:#0f172a;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999}.loading-spinner{width:36px;height:36px;border:3px solid rgba(46,120,183,.2);border-top-color:#2e78b7;border-radius:50%;animation:spin 1s linear infinite}:root{--color-bg-dark: #0F172A;--color-text-primary: #E2E8F0;--color-text-secondary: #CBD5E1;--color-link: #2e78b7;--spacing-base: 24px;--font-size-title: 24px;--font-size-body: 14px;--font-weight-bold: 700}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg-dark);color:var(--color-text-primary);line-height:1.5}.page-container{min-height:100vh;padding:var(--spacing-base)}.page-header{margin-bottom:var(--spacing-base)}.page-header h1{font-size:var(--font-size-title);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}.page-content{color:var(--color-text-secondary);font-size:var(--font-size-body)}.page-content p{margin-bottom:16px}.nav-links{display:flex;flex-direction:column;gap:12px;margin-top:24px}.nav-links a{color:var(--color-link);text-decoration:none;padding:8px 0;font-size:16px}.nav-links a:hover{text-decoration:underline}.back-link{color:var(--color-link);text-decoration:none;margin-bottom:16px;display:inline-block;font-size:16px}.back-link:hover{text-decoration:underline}.policy-content{color:var(--color-text-secondary);font-size:var(--font-size-body)}.policy-content h2{font-size:16px;font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:24px 0 8px}.policy-content ul{padding-left:18px;margin-bottom:12px}.policy-content li{margin-bottom:6px;line-height:1.6}.policy-effective{font-size:12px;color:#94a3b8;margin-bottom:16px}.policy-footer{margin-top:32px;padding-top:16px;border-top:1px solid #1e293b;font-size:12px;color:#94a3b8}.policy-footer p{margin-bottom:4px}.opensource-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}.opensource-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;background:#1e293b;border-radius:8px}.opensource-item strong{color:var(--color-text-primary);font-size:14px}.opensource-item span{color:#94a3b8;font-size:12px}.info-list{display:flex;flex-direction:column;gap:0}.info-item{display:flex;flex-direction:column;gap:4px;padding:14px 0;border-bottom:1px solid #1e293b}.info-label{font-size:12px;color:#94a3b8;text-transform:uppercase;letter-spacing:.04em}.info-value{font-size:15px;color:var(--color-text-primary);line-height:1.5}.info-link{color:var(--color-link);text-decoration:none}.info-link:hover{text-decoration:underline}.faq-list{display:flex;flex-direction:column;gap:0}.faq-item{border-bottom:1px solid #1e293b}.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:14px 0;background:none;border:none;color:var(--color-text-primary);font-size:15px;font-weight:600;text-align:left;cursor:pointer;gap:12px}.faq-question--open{color:var(--color-link)}.faq-arrow{font-size:10px;flex-shrink:0;color:#94a3b8}.faq-answer{padding:0 0 14px;color:var(--color-text-secondary);font-size:14px;line-height:1.7}.guide-content{color:var(--color-text-secondary);font-size:var(--font-size-body)}.guide-section{margin-bottom:28px}.guide-section h2{font-size:17px;font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid #1e293b}.guide-step{display:flex;gap:12px;margin-bottom:16px}.guide-step-number{width:26px;height:26px;min-width:26px;border-radius:50%;background:var(--color-link);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px}.guide-step-body h3{font-size:15px;font-weight:600;color:var(--color-text-primary);margin-bottom:6px}.guide-step-body p{margin-bottom:6px;line-height:1.6}.guide-tip{font-size:12px;color:#94a3b8;padding:8px 10px;background:#1e293b;border-radius:6px;margin-top:4px}.guide-tips-list{padding-left:18px;display:flex;flex-direction:column;gap:10px}.guide-tips-list li{line-height:1.6}.notice-empty{color:#94a3b8;font-size:15px;padding:24px 0;text-align:center}.auth-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background-color:var(--bg-primary, #0f172a);color:var(--text-primary, #e2e8f0)}.auth-loading .spinner{width:40px;height:40px;border:3px solid var(--border-color, #334155);border-top-color:var(--accent-color, #2e78b7);border-radius:50%;animation:spin 1s linear infinite}.auth-loading p{margin-top:16px;font-size:14px}@keyframes spin{to{transform:rotate(360deg)}}.auth-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background-color:var(--bg-primary, #0f172a);color:var(--text-primary, #e2e8f0);text-align:center;padding:20px}.auth-error h2{color:var(--error-color, #ef4444);margin-bottom:16px;font-size:20px}.auth-error p{color:var(--text-secondary, #94a3b8);margin:8px 0;font-size:14px}