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ease}.demo-step-label{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:850;font-size:14px;color:#5f574e}.step-num{width:28px;height:28px;border-radius:50%;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:950}.demo-step textarea{width:100%;min-height:120px;border:1px solid #eadfce;border-radius:18px;padding:16px;font:inherit;font-size:15px;background:#fffaf3;resize:vertical;margin-bottom:14px;line-height:1.7}.demo-step textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px #7257d91f}.step-process{border-color:#d8caff;background:#faf7ff}.process-animation{display:grid;gap:10px}.process-stage{padding:12px 16px;border-radius:12px;background:#f8f4ee;color:var(--muted);font-size:14px;font-weight:850;transition:.3s}.process-stage.active{background:#fff3d8;color:var(--amber)}.process-stage.done{background:#f0fff7;color:var(--green)}.step-server{border-color:#1a1a1a;background:#1a1a1a}.step-server .demo-step-label{color:#8a8a8a}.step-server .step-num{background:#444}.server-view{border-radius:12px;overflow:hidden;margin-bottom:16px}.server-header{background:#2d2d2d;padding:10px 14px;display:flex;align-items:center;gap:6px}.server-dot{width:10px;height:10px;border-radius:50%}.server-dot.red{background:#ff5f57}.server-dot.yellow{background:#ffbd2e}.server-dot.green{background:#28c840}.server-title{margin-left:10px;font-size:12px;color:#8a8a8a;font-family:monospace}.server-cipher{background:#111;padding:18px;font-family:monospace;font-size:12px;color:#4ade80;word-break:break-all;line-height:1.8;min-height:60px;max-height:160px;overflow:auto}.server-callout{background:#ff52521f;border:1px solid rgba(255,82,82,.3);border-radius:14px;padding:16px;color:#ff8a80;font-size:13px;line-height:1.8;opacity:0;transition:.4s}.server-callout.visible{opacity:1}.server-callout b{color:#fff;font-size:15px}.step-decrypt{border-color:#b7ebc6;background:#f6fff9}.decrypt-result{margin-top:14px;padding:16px;border:1px solid #b7ebc6;background:#fff;border-radius:14px;font-size:15px;line-height:1.7;color:#4f473f;min-height:24px;opacity:0;transition:.3s}.decrypt-result.visible{opacity:1}.decrypt-hint{font-size:13px;color:var(--green);font-weight:850;margin-top:12px}.demo-security-facts{margin-bottom:48px}.demo-security-facts h2{text-align:center;font-size:26px;margin-bottom:28px}.fact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.fact-card{border:1px solid #eadfce;background:#fff;border-radius:22px;padding:24px}.fact-icon{font-size:28px;margin-bottom:10px}.fact-card h3{font-size:16px;margin-bottom:8px}.fact-card p{font-size:14px;line-height:1.8;color:#5f574e;margin:0}.demo-tech-note{border:1px dashed #eadfce;background:#fffaf3;border-radius:14px;padding:16px;font-size:12px;color:var(--muted);line-height:1.8}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@media(max-width:768px){.fact-grid{grid-template-columns:1fr}}img.logo{background:none;box-shadow:none;object-fit:contain;border-radius:10px}img.hub-logo{background:none;box-shadow:none;object-fit:contain;display:block}.sf-step{margin-bottom:16px}.sf-label{display:block;font-size:13px;font-weight:900;color:#5f574e;margin-bottom:8px}.sf-hint{font-size:12px;color:var(--muted);line-height:1.6;margin:8px 0 0}.sf-hint.sf-warn{color:#b26a00}.modal-card .sf-step input{margin-bottom:0}.sf-channels{display:flex;gap:10px;flex-wrap:wrap}.sf-channels .btn[aria-pressed=true]{border-color:var(--purple);background:#f3eeff}#modalWechatLink{display:inline-flex;margin-top:4px}.sf-busy{font-size:13px;font-weight:850;color:var(--purple);margin:0 0 16px}.sf-error{font-size:13px;line-height:1.7;font-weight:850;color:#b42318;background:#fff1f0;border:1px solid #ffccc7;border-radius:16px;padding:12px 14px;margin:0 0 16px}.modal-overlay[data-sf-state=busy] .modal-actions .btn-primary{opacity:.55;pointer-events:none}.device-status.revoked{color:#b42318;background:#fff1f0;border-color:#ffccc7}.device-status.pending,.device-status.enroll_pending{color:var(--amber);background:#fff8e9;border-color:#ffe2a8}.device-flag{display:inline-flex;align-items:center;border:1px solid #ffe2a8;background:#fff8e9;color:#b26a00;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:900;margin-left:8px}.restore-btn{border-color:#b7ebc6!important;color:#0f7b4a!important;background:#f0fff7!important}.account-notice{border:1px solid #b7ebc6;background:#f0fff7;color:#0f7b4a;border-radius:16px;padding:12px 16px;font-size:14px;font-weight:850;line-height:1.7;margin:0 auto 16px;max-width:420px;text-align:center}.account-notice.is-error{border-color:#ffccc7;background:#fff1f0;color:#b42318}#wxLoginBlock{margin-bottom:18px}#wxLoginBlock .btn{width:100%}#wxLoginError{color:#b42318;font-weight:850}.plan-badge{display:inline-block;margin-left:8px;padding:3px 10px;border-radius:999px;background:#f2eee6;color:#8a7a63;font-size:12px;font-weight:800;vertical-align:middle;letter-spacing:.02em}.price .num.planned{font-size:26px;font-weight:800;color:#8a7a63;letter-spacing:-.02em}.price .plan-note{font-size:13px;line-height:1.75;color:#8a7a63}