.demo-flow[data-astro-cid-vxho55da] [data-astro-cid-vxho55da][hidden]{display:none!important}.demo-flow[data-astro-cid-vxho55da]{border-radius:var(--r-md);background:var(--surface-raised);border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm);padding:40px}.steps[data-astro-cid-vxho55da]{list-style:none;margin:0 0 36px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.step[data-astro-cid-vxho55da]{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;position:relative}.step[data-astro-cid-vxho55da]:not(:last-child):after{content:"";position:absolute;top:15px;left:calc(50% + 24px);right:calc(-50% + 24px);height:2px;background:var(--border-subtle)}.step[data-astro-cid-vxho55da].done:not(:last-child):after{background:var(--risk-safe)}.step-dot[data-astro-cid-vxho55da]{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--surface-soft);border:1px solid var(--border-default);color:var(--text-tertiary);font-size:13px;font-weight:700;position:relative;z-index:1}.step[data-astro-cid-vxho55da].current .step-dot[data-astro-cid-vxho55da]{background:var(--action-primary);border-color:var(--action-primary);color:var(--text-inverse)}.step[data-astro-cid-vxho55da].done .step-dot[data-astro-cid-vxho55da]{background:var(--risk-safe-bg);border-color:var(--risk-safe);color:var(--risk-safe-text)}.step-check[data-astro-cid-vxho55da],.step[data-astro-cid-vxho55da].done .step-num[data-astro-cid-vxho55da]{display:none}.step[data-astro-cid-vxho55da].done .step-check[data-astro-cid-vxho55da]{display:block}.step-label[data-astro-cid-vxho55da]{font-size:12.5px;font-weight:700;color:var(--text-tertiary)}.step[data-astro-cid-vxho55da].current .step-label[data-astro-cid-vxho55da]{color:var(--text-primary)}.pane[data-astro-cid-vxho55da] h2[data-astro-cid-vxho55da]{font-size:22px;line-height:1.4;margin-bottom:10px}.pane-desc[data-astro-cid-vxho55da]{color:var(--text-secondary);font-size:14px;margin-bottom:26px}.field[data-astro-cid-vxho55da]{display:grid;gap:8px;margin-bottom:18px}.field-label[data-astro-cid-vxho55da]{font-size:13.5px;font-weight:700}.input[data-astro-cid-vxho55da]{min-height:46px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--border-default);background:var(--surface);color:var(--text-primary);font:inherit;transition:.15s}.input[data-astro-cid-vxho55da]:focus{outline:none;border-color:var(--brand-secondary);box-shadow:0 0 0 4px var(--focus-ring)}.form-error[data-astro-cid-vxho55da]{margin:0 0 16px;padding:10px 14px;border-radius:var(--r-sm);background:var(--risk-critical-bg);border:1px solid var(--risk-critical-border);color:var(--risk-critical-text);font-size:13px}.submit[data-astro-cid-vxho55da]{min-width:160px}.submit[data-astro-cid-vxho55da]:disabled,.btn[data-astro-cid-vxho55da]:disabled{background:var(--ink-100);color:var(--text-disabled);cursor:not-allowed;box-shadow:none;transform:none}.upload-kinds[data-astro-cid-vxho55da]{display:grid;gap:14px;margin-bottom:22px}.upload-kind[data-astro-cid-vxho55da]{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:18px 20px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--border-subtle)}.upload-kind[data-astro-cid-vxho55da][data-state=done]{border-color:var(--risk-safe-border)}.upload-kind[data-astro-cid-vxho55da][data-state=error]{border-color:var(--risk-critical-border)}.upload-kind-info[data-astro-cid-vxho55da] h3[data-astro-cid-vxho55da]{font-size:15px;margin:0 0 6px}.upload-kind-info[data-astro-cid-vxho55da] p[data-astro-cid-vxho55da]{margin:0 0 6px;color:var(--text-secondary);font-size:13px}.format-hint[data-astro-cid-vxho55da]{color:var(--text-tertiary);font-size:11.5px}.upload-kind-action[data-astro-cid-vxho55da]{display:grid;justify-items:end;gap:8px;min-width:200px}.file-input[data-astro-cid-vxho55da]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.upload-state[data-astro-cid-vxho55da]{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700}.upload-status-icon[data-astro-cid-vxho55da]{width:9px;height:9px;border-radius:50%}.upload-kind[data-astro-cid-vxho55da][data-state=uploading] .upload-state[data-astro-cid-vxho55da]{color:var(--ai-800)}.upload-kind[data-astro-cid-vxho55da][data-state=uploading] .upload-status-icon[data-astro-cid-vxho55da]{background:var(--ai-data)}.upload-kind[data-astro-cid-vxho55da][data-state=done] .upload-state[data-astro-cid-vxho55da]{color:var(--risk-safe-text)}.upload-kind[data-astro-cid-vxho55da][data-state=done] .upload-status-icon[data-astro-cid-vxho55da]{background:var(--risk-safe)}.progress[data-astro-cid-vxho55da]{width:200px;height:6px;border-radius:99px;background:var(--ink-100);overflow:hidden}.progress-bar[data-astro-cid-vxho55da]{height:100%;width:0;border-radius:99px;background:var(--action-primary);transition:width .2s}.upload-file-name[data-astro-cid-vxho55da]{margin:0;color:var(--text-tertiary);font-size:12px;word-break:break-all}.upload-error[data-astro-cid-vxho55da]{margin:0}.upload-footer[data-astro-cid-vxho55da]{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.uploaded-summary[data-astro-cid-vxho55da]{color:var(--text-secondary);font-size:13px;font-weight:700}.upload-footer[data-astro-cid-vxho55da] .form-error[data-astro-cid-vxho55da]{margin:0;flex:1 1 100%}.email-actions[data-astro-cid-vxho55da]{display:flex;gap:12px;flex-wrap:wrap}.success-card[data-astro-cid-vxho55da]{text-align:center;padding:28px 20px;border-radius:var(--r-md);background:var(--risk-safe-bg);border:1px solid var(--risk-safe-border)}.success-head[data-astro-cid-vxho55da]{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:14px}.success-icon[data-astro-cid-vxho55da]{display:inline-grid;place-items:center;color:var(--risk-safe)}.success-badge[data-astro-cid-vxho55da]{display:inline-block;padding:4px 12px;border-radius:99px;background:var(--risk-safe-bg);border:1px solid var(--risk-safe-border);color:var(--risk-safe-text);font-size:12px;font-weight:700}.success-card[data-astro-cid-vxho55da] h2[data-astro-cid-vxho55da]{margin-bottom:10px}.success-desc[data-astro-cid-vxho55da]{color:var(--text-secondary);font-size:14px;max-width:520px;margin:0 auto 22px}@media(max-width:640px){.demo-flow[data-astro-cid-vxho55da]{padding:24px 20px}.upload-kind[data-astro-cid-vxho55da]{grid-template-columns:1fr}.upload-kind-action[data-astro-cid-vxho55da]{justify-items:start}.step-label[data-astro-cid-vxho55da]{font-size:11px}}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--page-bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}body.drawer-open{overflow:hidden}a{text-decoration:none;color:inherit}button{font:inherit}svg{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}:root{--max: 1120px;--r-lg: 20px;--r-md: 16px;--r-sm: 10px;--nav-h: 72px;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-smooth: cubic-bezier(.65, 0, .35, 1)}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.btn{min-height:44px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;cursor:pointer;transition:.15s var(--ease-out)}.btn:hover{transform:translateY(-2px)}.btn:focus-visible{outline:none;box-shadow:0 0 0 4px var(--focus-ring)}.btn.primary{color:var(--text-inverse);background:var(--action-primary);box-shadow:0 10px 24px color-mix(in srgb,var(--brand-primary) 25%,transparent)}.btn.primary:hover{background:var(--action-primary-hover)}.btn.secondary{color:var(--brand-primary);border-color:var(--brand-300);background:var(--surface)}.btn.secondary:hover{background:var(--brand-100)}.demo-main{padding:calc(var(--nav-h) + 56px) 0 96px}.demo-container{width:min(760px,calc(100% - 48px));margin:auto}.demo-head{margin-bottom:32px}.demo-eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;color:var(--brand-primary);font-size:12.5px;font-weight:700}.demo-eyebrow:before{content:"";width:24px;height:2px;border-radius:9px;background:linear-gradient(90deg,var(--brand-primary),var(--ai-data))}.demo-head h1{font-size:clamp(26px,3vw,32px);line-height:1.35;letter-spacing:-.03em;margin-bottom:12px}.demo-head p{color:var(--text-tertiary);font-size:15px;margin:0}@media(max-width:767px){:root{--nav-h: 68px}.demo-container{width:min(100% - 40px,760px)}.demo-main{padding:calc(var(--nav-h) + 32px) 0 64px}}@media(hover:none){.btn:hover{transform:none}.btn:active{transform:scale(.98)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.1ms!important}}