:root{--sd-brand-start: #3b82f6;--sd-brand-end: #8b5cf6;--sd-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--sd-primary: #3b82f6;--sd-secondary: #8b5cf6;--sd-accent: #3b82f6;--sd-accent-hover: #2563eb;--sd-success: #22c55e;--sd-error: #ef4444;--sd-warning: #f59e0b;--sd-bg: #fafafa;--sd-surface: #ffffff;--sd-surface-alt: #f9fafb;--sd-text: #1f2937;--sd-text-muted: #6b7280;--sd-border: #e5e7eb;--sd-border-strong: #d1d5db;--sd-space-1: .25rem;--sd-space-2: .5rem;--sd-space-3: .75rem;--sd-space-4: 1rem;--sd-space-5: 1.25rem;--sd-space-6: 1.5rem;--sd-space-8: 2rem;--sd-space-10: 2.5rem;--sd-space-12: 3rem;--sd-space-16: 4rem;--sd-space-20: 5rem;--sd-space-24: 6rem;--sd-radius-sm: 6px;--sd-radius-md: 8px;--sd-radius-lg: 12px;--sd-radius-full: 999px;--sd-shadow-card: 0 2px 8px rgba(0, 0, 0, .06);--sd-shadow-card-hover: 0 4px 12px rgba(0, 0, 0, .08);--sd-shadow-dropdown: 0 4px 16px rgba(0, 0, 0, .08);--sd-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;--sd-font-mono: ui-monospace, "SF Mono", Menlo, monospace;--sd-text-xs: .75rem;--sd-text-sm: .875rem;--sd-text-base: 1rem;--sd-text-lg: 1.125rem;--sd-text-xl: 1.25rem;--sd-text-2xl: 1.5rem;--sd-text-3xl: 1.875rem;--sd-text-4xl: 2.25rem;--sd-leading-tight: 1.25;--sd-leading-normal: 1.6;--sd-leading-relaxed: 1.75;--sd-transition-fast: .15s ease;--sd-transition-normal: .2s ease;--sd-transition-slow: .3s ease;--sd-max-width: 1100px;--sd-header-height: 64px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--sd-font);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;background:var(--sd-bg);color:var(--sd-text);line-height:var(--sd-leading-normal)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer;border:none;background:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--sd-border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--sd-text-muted)}::selection{background:#3b82f640;color:var(--sd-text)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sd-gradient-text{background:var(--sd-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.sd-header[data-astro-cid-qlfjksao]{position:sticky;top:0;z-index:50;background:#ffffffd9;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--sd-border)}.sd-header__inner[data-astro-cid-qlfjksao]{max-width:var(--sd-max-width);margin:0 auto;padding:0 var(--sd-space-6);height:var(--sd-header-height);display:flex;align-items:center;gap:var(--sd-space-8)}.sd-brand[data-astro-cid-qlfjksao]{display:flex;align-items:center;gap:.6rem;font-weight:700;color:var(--sd-text);flex-shrink:0}.sd-brand__logo[data-astro-cid-qlfjksao]{width:32px;height:32px;border-radius:var(--sd-radius-md)}.sd-brand__name[data-astro-cid-qlfjksao]{font-size:1.1rem}.sd-nav[data-astro-cid-qlfjksao]{display:flex;gap:var(--sd-space-6);margin-left:auto}.sd-nav__link[data-astro-cid-qlfjksao]{color:var(--sd-text-muted);font-size:.95rem;font-weight:500;padding:.5rem 0;transition:color var(--sd-transition-fast);position:relative}.sd-nav__link[data-astro-cid-qlfjksao]:hover{color:var(--sd-text)}.sd-nav__link[data-astro-cid-qlfjksao].is-active{color:var(--sd-primary)}.sd-nav__link[data-astro-cid-qlfjksao].is-active:after{content:"";position:absolute;left:0;right:0;bottom:calc(var(--sd-space-4) * -1 - 6px);height:2px;background:var(--sd-gradient);border-radius:2px}.sd-nav__cta[data-astro-cid-qlfjksao]{padding:.5rem 1.1rem;background:var(--sd-gradient);color:#fff;border-radius:var(--sd-radius-md);font-size:.9rem;font-weight:600;flex-shrink:0;transition:transform var(--sd-transition-fast),box-shadow var(--sd-transition-fast)}.sd-nav__cta[data-astro-cid-qlfjksao]:hover{transform:translateY(-1px);box-shadow:0 6px 16px #3b82f64d}@media(max-width:720px){.sd-header__inner[data-astro-cid-qlfjksao]{gap:var(--sd-space-2);padding:0 var(--sd-space-3)}.sd-brand__name[data-astro-cid-qlfjksao]{display:none}.sd-nav[data-astro-cid-qlfjksao]{gap:var(--sd-space-3);overflow-x:auto;white-space:nowrap;-ms-overflow-style:none;scrollbar-width:none;flex:1;min-width:0}.sd-nav[data-astro-cid-qlfjksao]::-webkit-scrollbar{display:none}.sd-nav__link[data-astro-cid-qlfjksao]{font-size:.85rem;flex-shrink:0}.sd-nav__cta[data-astro-cid-qlfjksao]{padding:.4rem .7rem;font-size:.8rem;flex-shrink:0}.sd-nav__link[data-astro-cid-qlfjksao].is-active:after{bottom:calc(var(--sd-space-3) * -1 - 2px)}}.sd-footer[data-astro-cid-35ed7um5]{background:var(--sd-text);color:#fff;padding:var(--sd-space-12) var(--sd-space-6) var(--sd-space-6);margin-top:var(--sd-space-16)}.sd-footer__inner[data-astro-cid-35ed7um5]{max-width:var(--sd-max-width);margin:0 auto;display:grid;grid-template-columns:1fr 2fr;gap:var(--sd-space-12);padding-bottom:var(--sd-space-8);border-bottom:1px solid #374151}.sd-footer__brand[data-astro-cid-35ed7um5] h3[data-astro-cid-35ed7um5]{font-size:1.4rem;margin-bottom:var(--sd-space-2)}.sd-footer__brand[data-astro-cid-35ed7um5] p[data-astro-cid-35ed7um5]{color:#9ca3af;font-size:.9rem;line-height:1.7}.sd-footer__meta[data-astro-cid-35ed7um5]{font-size:.8rem!important;color:#6b7280!important;margin-top:var(--sd-space-2)}.sd-footer__grid[data-astro-cid-35ed7um5]{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sd-space-8)}.sd-footer__group[data-astro-cid-35ed7um5] h4[data-astro-cid-35ed7um5]{color:#d1d5db;margin-bottom:var(--sd-space-3);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}.sd-footer__group[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]{display:block;color:#9ca3af;margin-bottom:var(--sd-space-2);font-size:.9rem;transition:color var(--sd-transition-fast)}.sd-footer__group[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]:hover{color:var(--sd-primary)}.sd-footer__bottom[data-astro-cid-35ed7um5]{max-width:var(--sd-max-width);margin:0 auto;padding-top:var(--sd-space-6);text-align:center;color:#6b7280;font-size:.85rem}@media(max-width:720px){.sd-footer__inner[data-astro-cid-35ed7um5]{grid-template-columns:1fr;gap:var(--sd-space-8)}.sd-footer__grid[data-astro-cid-35ed7um5]{grid-template-columns:1fr;gap:var(--sd-space-6)}}.sd-section[data-astro-cid-5cbztpzo]{padding:var(--sd-space-20) 0}.sd-section--default[data-astro-cid-5cbztpzo]{background:var(--sd-bg)}.sd-section--highlighted[data-astro-cid-5cbztpzo]{background:var(--sd-surface)}.sd-section--dark[data-astro-cid-5cbztpzo]{background:var(--sd-text);color:#fff}@media(max-width:640px){.sd-section[data-astro-cid-5cbztpzo]{padding:var(--sd-space-12) 0}}.sd-container[data-astro-cid-vpmlpixz]{margin-left:auto;margin-right:auto;width:100%}.sd-container--padded[data-astro-cid-vpmlpixz]{padding-left:var(--sd-space-6);padding-right:var(--sd-space-6)}.sd-btn[data-astro-cid-steqimjr]{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border-radius:var(--sd-radius-md);font-weight:600;line-height:1;cursor:pointer;transition:transform var(--sd-transition-fast),background var(--sd-transition-fast),border-color var(--sd-transition-fast),color var(--sd-transition-fast),box-shadow var(--sd-transition-fast);white-space:nowrap;text-decoration:none;user-select:none}.sd-btn[data-astro-cid-steqimjr]:disabled,.sd-btn[data-astro-cid-steqimjr][disabled]{opacity:.5;cursor:not-allowed;pointer-events:none}.sd-btn--sm[data-astro-cid-steqimjr]{padding:.45rem .9rem;font-size:var(--sd-text-sm)}.sd-btn--md[data-astro-cid-steqimjr]{padding:.65rem 1.3rem;font-size:var(--sd-text-base)}.sd-btn--lg[data-astro-cid-steqimjr]{padding:.85rem 1.8rem;font-size:1rem}.sd-btn--primary[data-astro-cid-steqimjr]{background:var(--sd-gradient);color:#fff;border:1px solid transparent}.sd-btn--primary[data-astro-cid-steqimjr]:hover{transform:translateY(-1px);box-shadow:0 6px 16px #3b82f640}.sd-btn--secondary[data-astro-cid-steqimjr]{background:#ffffff26;color:var(--sd-text);border:1px solid var(--sd-border);backdrop-filter:blur(8px)}.sd-btn--secondary[data-astro-cid-steqimjr]:hover{background:#3b82f60f;border-color:var(--sd-primary)}.sd-btn--outline[data-astro-cid-steqimjr]{background:transparent;color:var(--sd-primary);border:1.5px solid var(--sd-primary)}.sd-btn--outline[data-astro-cid-steqimjr]:hover{background:var(--sd-primary);color:#fff}.sd-btn--ghost[data-astro-cid-steqimjr]{background:transparent;color:var(--sd-text);border:1px solid transparent}.sd-btn--ghost[data-astro-cid-steqimjr]:hover{background:#3b82f614;color:var(--sd-primary)}.sd-btn--download[data-astro-cid-steqimjr]{background:var(--sd-accent);color:#fff;border:1px solid transparent}.sd-btn--download[data-astro-cid-steqimjr]:hover{background:var(--sd-accent-hover);transform:translateY(-1px)}