.sdh-page{--sdh-primary: #4f46e5;--sdh-primary-hover: #4338ca;--sdh-primary-light: #eef2ff;--sdh-ink: #0f172a;--sdh-copy: #334155;--sdh-muted: #64748b;--sdh-light: #94a3b8;--sdh-bg: #ffffff;--sdh-subtle: #f8fafc;--sdh-line: #e2e8f0;--sdh-line-hover: #cbd5e1;--sdh-deny: #dc2626;--sdh-allow: #16a34a;--sdh-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 5%);--sdh-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 7%);--sdh-radius-sm: 6px;--sdh-radius-md: 10px;--sdh-radius-lg: 16px;--sdh-radius-full: 9999px;min-height:100vh;overflow-x:clip;background:var(--sdh-bg);color:var(--sdh-copy);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Noto Sans SC,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.sdh-page *{box-sizing:border-box}.sdh-page button,.sdh-page a{font:inherit}.sdh-page button,.sdh-page .product-landing-brand,.sdh-page .sdh-nav-link,.sdh-page .sdh-lang,.sdh-page .sdh-help,.sdh-page .sdh-button,.sdh-page .sdh-faq-trigger,.sdh-page .sdh-footer a,.sdh-page .sdh-modal-close{-webkit-user-select:none;user-select:none}.sdh-page :focus-visible{outline:2px solid var(--sdh-primary);outline-offset:2px}.sdh-container{width:min(100% - 48px,1140px);margin-inline:auto}.sdh-header{position:relative;border-bottom:1px solid var(--sdh-line);background:var(--sdh-bg)}.sdh-header-inner{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:16px}.sdh-header-inner .product-landing-brand{min-width:0;flex-shrink:1}.sdh-page a.product-landing-brand-product{color:var(--sdh-ink)}.sdh-page a.product-landing-brand-home{color:var(--sdh-muted)}.sdh-page a.product-landing-brand-home:hover{color:var(--sdh-primary)}.sdh-nav{display:flex;align-items:center;gap:28px}.sdh-nav-link{color:var(--sdh-copy);font-size:.9375rem;font-weight:500;text-decoration:none}.sdh-nav-link:hover{color:var(--sdh-primary)}.sdh-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.sdh-lang{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--sdh-line);border-radius:var(--sdh-radius-full);background:var(--sdh-bg);color:var(--sdh-copy);font-size:.85rem;font-weight:600;cursor:pointer}.sdh-lang:hover{border-color:var(--sdh-line-hover);background:var(--sdh-subtle);color:var(--sdh-primary)}.sdh-help{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;min-width:38px;min-height:38px;border:1px solid var(--sdh-line);border-radius:var(--sdh-radius-full);background:var(--sdh-bg);color:var(--sdh-muted);cursor:pointer}.sdh-help i{font-size:22px;line-height:1}.sdh-help:hover{color:var(--sdh-primary);border-color:var(--sdh-primary);background:var(--sdh-primary-light)}.sdh-button{display:inline-flex;width:fit-content;max-width:24rem;align-items:center;justify-content:center;gap:8px;padding:9px 20px;border:none;border-radius:var(--sdh-radius-full);background:var(--sdh-primary);color:#fff;font-size:.9375rem;font-weight:600;text-decoration:none;cursor:pointer}.sdh-button:hover{background:var(--sdh-primary-hover);color:#fff}.sdh-button-lg{padding:12px 28px;font-size:1.05rem}.sdh-hero{padding:72px 0 64px;text-align:center}.sdh-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;border:1px solid rgb(79 70 229 / 15%);border-radius:var(--sdh-radius-full);background:var(--sdh-primary-light);color:var(--sdh-primary);font-size:.875rem;font-weight:600}.sdh-hero h1{max-width:880px;margin:0 auto 20px;color:var(--sdh-ink);font-size:2.75rem;font-weight:800;line-height:1.4;letter-spacing:-.02em}.sdh-hero-lead{max-width:720px;margin:0 auto 32px;color:var(--sdh-muted);font-size:1.1875rem;font-weight:400;line-height:1.6}.sdh-hero-cta{margin-bottom:56px}.sdh-showcase{max-width:980px;margin:0 auto;overflow:hidden;border:1px solid var(--sdh-line);border-radius:var(--sdh-radius-md);background:#0f172a;box-shadow:0 12px 30px -10px #0f172a1a}.sdh-showcase-bar{display:flex;align-items:center;gap:8px;height:36px;padding:0 14px;background:#1e293b}.sdh-dot{width:10px;height:10px;border-radius:50%}.sdh-dot-red{background:#ef4444}.sdh-dot-yellow{background:#f59e0b}.sdh-dot-green{background:#10b981}.sdh-showcase-title{margin-left:12px;color:#94a3b8;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem}.sdh-store-slot{aspect-ratio:1280 / 800;background:#0f172a}.sdh-store-slot img,.sdh-media img{display:block;width:100%;height:100%;object-fit:cover}.sdh-platforms{padding:24px 0;border-top:1px solid var(--sdh-line);border-bottom:1px solid var(--sdh-line);background:var(--sdh-subtle);text-align:center}.sdh-platforms-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 24px;color:var(--sdh-muted);font-size:.95rem}.sdh-platforms-label{color:var(--sdh-ink);font-weight:700}.sdh-platform{display:inline-flex;align-items:center;gap:6px;color:var(--sdh-copy);font-weight:600}.sdh-platform .sdh-platform-dot{margin-right:10px;color:var(--sdh-light);font-weight:400}.sdh-platform i{color:var(--sdh-primary);font-size:.75rem}.sdh-platform-dot{color:var(--sdh-light)}.sdh-section{padding:88px 0}.sdh-section-header{max-width:680px;margin:0 auto 56px;text-align:center}.sdh-section-header-tight{margin-bottom:40px}.sdh-tag{display:block;margin-bottom:10px;color:var(--sdh-primary);font-size:.8125rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.sdh-section-header h2,.sdh-cta h2{margin:0 0 12px;color:var(--sdh-ink);font-size:2rem;font-weight:800;line-height:1.35;letter-spacing:-.015em}.sdh-section-header p,.sdh-cta p{margin:0;color:var(--sdh-muted);font-size:1.0625rem;line-height:1.6}.sdh-features{display:flex;flex-direction:column;gap:72px}.sdh-feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.sdh-feature-block+.sdh-feature-block{margin-top:28px}.sdh-feature-heading{display:flex;align-items:center;gap:14px;margin-bottom:14px}.sdh-feature-heading i{color:var(--sdh-primary);font-size:1.5rem}.sdh-feature-heading h3{margin:0;color:var(--sdh-ink);font-size:1.375rem;font-weight:700}.sdh-feature-text{margin:0 0 16px;color:var(--sdh-muted);font-size:1rem;line-height:1.65}.sdh-feature-list{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;color:var(--sdh-copy);font-size:.9375rem;list-style:none}.sdh-feature-list li{display:flex;align-items:center;gap:8px}.sdh-feature-list i{color:var(--sdh-primary);font-size:.85rem}.sdh-media-stack{display:flex;flex-direction:column;gap:16px}.sdh-media{overflow:hidden;border:1px solid var(--sdh-line);border-radius:var(--sdh-radius-md);background:#0f172a;aspect-ratio:1280 / 800;box-shadow:var(--sdh-shadow-md)}.sdh-boundaries{border-top:1px solid var(--sdh-line);border-bottom:1px solid var(--sdh-line);background:var(--sdh-subtle)}.sdh-boundaries-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}.sdh-boundaries h3{display:flex;align-items:center;gap:10px;margin:0 0 20px;color:var(--sdh-ink);font-size:1.25rem;font-weight:700}.sdh-boundary-list{display:flex;flex-direction:column;gap:16px;margin:0;padding:0;list-style:none}.sdh-boundary-list li{display:flex;align-items:flex-start;gap:12px;font-size:.95rem;line-height:1.6}.sdh-boundary-list i{flex-shrink:0;margin-top:4px;font-size:1rem}.sdh-deny{color:var(--sdh-deny)}.sdh-allow{color:var(--sdh-allow)}.sdh-faq-list{display:flex;flex-direction:column;max-width:760px;margin:0 auto}.sdh-faq{border-bottom:1px solid var(--sdh-line)}.sdh-faq:first-child{border-top:1px solid var(--sdh-line)}.sdh-faq-trigger{display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;border:none;background:transparent;color:var(--sdh-ink);font-size:1.05rem;font-weight:700;text-align:left;cursor:pointer}.sdh-faq-trigger:hover{color:var(--sdh-primary)}.sdh-faq-trigger i{color:var(--sdh-light);font-size:.9rem}.sdh-faq.is-open .sdh-faq-trigger i{color:var(--sdh-primary);transform:rotate(180deg)}.sdh-faq-answer{margin:0;padding:0 0 20px;color:var(--sdh-copy);font-size:.95rem;line-height:1.65}.sdh-cta{padding:64px 0 88px;text-align:center}.sdh-cta-box{max-width:860px;margin:0 auto;padding:56px 32px;border:1px solid var(--sdh-line);border-radius:var(--sdh-radius-lg);background:var(--sdh-subtle)}.sdh-cta p{max-width:580px;margin:0 auto 32px}.sdh-footer{padding:40px 0;border-top:1px solid var(--sdh-line);background:var(--sdh-bg)}.sdh-footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}.sdh-footer-brand{display:flex;align-items:center;gap:10px;color:var(--sdh-muted);font-size:.875rem}.sdh-footer-brand img{width:20px;height:20px;border-radius:4px}.sdh-footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:24px}.sdh-footer-links a{color:var(--sdh-muted);font-size:.875rem;text-decoration:none}.sdh-footer-links a:hover{color:var(--sdh-primary)}.sdh-backdrop{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.sdh-dialog{display:flex;width:100%;max-width:780px;max-height:90vh;flex-direction:column;overflow:hidden;border-radius:var(--sdh-radius-lg);background:var(--sdh-bg);box-shadow:0 20px 40px -15px #0003}.sdh-dialog-head{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--sdh-line);background:var(--sdh-subtle)}.sdh-dialog-head h2{display:flex;align-items:center;gap:10px;margin:0;color:var(--sdh-ink);font-size:1.1875rem;font-weight:700}.sdh-dialog-head h2 i{color:var(--sdh-primary)}.sdh-modal-close{display:flex;width:36px;height:36px;min-width:36px;min-height:36px;align-items:center;justify-content:center;border:none;border-radius:var(--sdh-radius-full);background:transparent;color:var(--sdh-muted);cursor:pointer}.sdh-modal-close i{font-size:22px;line-height:1}.sdh-modal-close:hover{background:var(--sdh-line);color:var(--sdh-ink)}.sdh-dialog-body{padding:28px;overflow-y:auto;scrollbar-gutter:stable}.sdh-help-steps{display:flex;flex-direction:column;gap:24px;margin-bottom:28px}.sdh-help-step{display:flex;gap:18px}.sdh-help-num{display:flex;width:32px;height:32px;flex-shrink:0;align-items:center;justify-content:center;border-radius:var(--sdh-radius-full);background:var(--sdh-primary);color:#fff;font-size:.9375rem;font-weight:700}.sdh-help-step h3{margin:0 0 6px;color:var(--sdh-ink);font-size:1.05rem;font-weight:700}.sdh-help-step p{margin:0;color:var(--sdh-muted);font-size:.9375rem;line-height:1.6}.sdh-schematic{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-around;gap:12px;margin-top:12px;padding:16px;border-radius:var(--sdh-radius-sm);background:#0f172a;color:#e2e8f0;font-size:.85rem}.sdh-schematic-node{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid #334155;border-radius:6px;background:#1e293b}.sdh-schematic-arrow{color:#818cf8}.sdh-note{display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid rgb(79 70 229 / 20%);border-radius:var(--sdh-radius-md);background:var(--sdh-primary-light);color:var(--sdh-copy);font-size:.875rem}.sdh-note i{flex-shrink:0;margin-top:2px;color:var(--sdh-primary);font-size:1.1rem}.sdh-note p{margin:6px 0 0}@media(max-width:980px){.sdh-nav{display:none}.sdh-header-inner{flex-wrap:wrap}.sdh-actions{margin-left:auto}}@media(max-width:868px){.sdh-hero h1{font-size:2rem}.sdh-feature-row,.sdh-boundaries-grid{grid-template-columns:1fr}}@media(max-width:640px){.sdh-container{width:min(100% - 32px,1140px)}.sdh-hero{padding:48px 0 40px}.sdh-section{padding:56px 0}.sdh-cta-box{padding:36px 20px}}