.header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-height);transition:background var(--duration-base),border-color var(--duration-base),backdrop-filter var(--duration-base);background:#fffffffa;border-bottom:1px solid var(--color-border)}.header--scrolled[data-astro-cid-3ef6ksr2]{background:#ffffffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border)}.header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:100%;gap:var(--space-8)}.header__logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-3);font-weight:700;font-size:var(--text-lg);color:var(--color-text-heading);flex-shrink:0}.header__logo-img[data-astro-cid-3ef6ksr2]{width:32px;height:32px}.header__logo-kv[data-astro-cid-3ef6ksr2]{color:var(--color-primary-dark)}.header__nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-1)}.header__link[data-astro-cid-3ef6ksr2]{padding:var(--space-2) var(--space-4);font-size:var(--text-sm);font-weight:500;color:var(--color-text-muted);border-radius:var(--radius-full);transition:color var(--duration-fast),background var(--duration-fast)}.header__link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text-heading);background:#0f172a0d}.header__actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-3)}.header__lang[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:color var(--duration-fast)}.header__lang[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text-heading)}.header__github[data-astro-cid-3ef6ksr2]{font-size:var(--text-sm);padding:var(--space-2) var(--space-4)}.header__mobile[data-astro-cid-3ef6ksr2]{display:none}.header__mobile[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center;width:44px;height:44px;cursor:pointer;list-style:none;border-radius:var(--radius-md)}.header__mobile[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]::-webkit-details-marker{display:none}.header__mobile[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--color-primary-dark);outline-offset:2px}.header__mobile-nav[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;padding:var(--space-4);background:#fff;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);max-height:calc(100dvh - var(--header-height));overflow:auto}@media(max-width:1024px){.header__nav[data-astro-cid-3ef6ksr2]{display:none}.header__mobile[data-astro-cid-3ef6ksr2]{display:block}.header__inner[data-astro-cid-3ef6ksr2]{gap:var(--space-4)}.header__link[data-astro-cid-3ef6ksr2]{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-base)}}@media(max-width:600px){.header__github[data-astro-cid-3ef6ksr2]{display:none}.header__actions[data-astro-cid-3ef6ksr2]{gap:var(--space-1)}.header__lang[data-astro-cid-3ef6ksr2]{padding:var(--space-2)}.header__logo[data-astro-cid-3ef6ksr2]{font-size:var(--text-base);gap:var(--space-2)}.header__logo-img[data-astro-cid-3ef6ksr2]{width:28px;height:28px}}.footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);padding:var(--space-16) 0 var(--space-8);background:var(--color-bg-elevated)}.footer__grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-10);margin-bottom:var(--space-12)}.footer__brand[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-4)}.footer__logo[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:var(--space-2);font-weight:700;color:var(--color-text-heading);font-size:var(--text-lg)}.footer__logo-icon[data-astro-cid-sz7xmlte]{width:24px;height:24px}.footer__tagline[data-astro-cid-sz7xmlte]{font-size:var(--text-sm);color:var(--color-text-muted);max-width:280px;line-height:var(--leading-normal)}.footer__col[data-astro-cid-sz7xmlte] h2[data-astro-cid-sz7xmlte]{font-size:var(--text-sm);font-weight:600;color:var(--color-text-heading);margin-bottom:var(--space-4);text-transform:uppercase;letter-spacing:.05em}.footer__col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-3)}.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:var(--text-sm);color:var(--color-text-muted);transition:color var(--duration-fast)}.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-primary-light)}.footer__bottom[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);padding-top:var(--space-6);text-align:center}.footer__bottom[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{font-size:var(--text-xs);color:var(--color-text-muted)}@media(max-width:768px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:var(--space-8)}.footer__brand[data-astro-cid-sz7xmlte]{grid-column:span 2}}@media(max-width:480px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}.footer__brand[data-astro-cid-sz7xmlte]{grid-column:span 1}}:root{--color-brand-green: #5AA554;--color-brand-blue: #3E89BD;--color-bg: #ffffff;--color-bg-elevated: #fafafa;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--color-border: rgba(15, 23, 42, .08);--color-border-hover: rgba(15, 23, 42, .15);--color-text: #334155;--color-text-muted: #64748b;--color-text-heading: #0f172a;--color-primary: #3E89BD;--color-primary-light: #5ba4d8;--color-primary-dark: #2b6a9e;--color-primary-glow: rgba(62, 137, 189, .12);--color-secondary: #0ea5e9;--color-secondary-light: #38bdf8;--color-secondary-glow: rgba(14, 165, 233, .12);--color-accent: #5AA554;--color-accent-light: #6dbb66;--color-accent-glow: rgba(90, 165, 84, .12);--color-danger: #ef4444;--color-white: #ffffff;--font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-sans-zh: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--text-6xl: 3.75rem;--leading-tight: 1.15;--leading-snug: 1.3;--leading-normal: 1.6;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 12px rgba(15, 23, 42, .05);--shadow-lg: 0 8px 30px rgba(15, 23, 42, .08);--shadow-glow-primary: 0 0 0 3px var(--color-primary-glow);--shadow-glow-secondary: 0 0 0 3px var(--color-secondary-glow);--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-base: .25s;--container-max: 1100px;--container-wide: 1280px;--header-height: 4.5rem}html[lang^=zh]{--font-sans: var(--font-sans-zh)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}img,svg,video{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{color:var(--color-text-heading);line-height:var(--leading-tight);font-weight:700;letter-spacing:-.02em}::selection{background:var(--color-primary-glow);color:var(--color-primary-dark)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-6)}.container--wide{max-width:var(--container-wide)}.section{padding-block:var(--space-24);position:relative}.section-label{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-primary);margin-bottom:var(--space-4)}.section-label:before{content:"";width:2rem;height:2px;background:var(--color-primary);border-radius:var(--radius-full)}.section-title{font-size:var(--text-4xl);margin-bottom:var(--space-4);letter-spacing:-.03em}.section-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);max-width:640px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-full);transition:all var(--duration-base) var(--ease-out);white-space:nowrap}.btn--primary{background:var(--color-text-heading);color:var(--color-white);border:1px solid transparent;box-shadow:var(--shadow-sm)}.btn--primary:hover{background:#000;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn--secondary{background:var(--color-white);color:var(--color-text-heading);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.btn--secondary:hover{background:var(--color-surface-hover);border-color:var(--color-border-hover);transform:translateY(-1px)}.btn--large{padding:var(--space-4) var(--space-8);font-size:var(--text-base)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8);transition:all var(--duration-base) var(--ease-out);box-shadow:var(--shadow-sm)}.card:hover{border-color:var(--color-border-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.card--glass{background:#ffffffb3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.reveal{opacity:1;transform:translateY(0);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}.reveal.reveal--pending{opacity:0;transform:translateY(20px)}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}.reveal-delay-4{transition-delay:.4s}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.reveal.reveal--pending{opacity:1;transform:none;transition:none}}@media(max-width:1024px){:root{--text-5xl:2.5rem;--text-6xl:3rem}.section{padding-block:var(--space-16)}}@media(max-width:768px){:root{--text-4xl:1.875rem;--text-5xl:2rem;--text-6xl:2.5rem}.section{padding-block:var(--space-12)}.container{padding-inline:var(--space-4)}}@media(max-width:480px){:root{--text-4xl:1.6rem;--text-5xl:1.75rem}}.skip-link{position:fixed;top:var(--space-3);left:var(--space-3);z-index:200;transform:translateY(-200%);padding:var(--space-3) var(--space-4);background:var(--color-text-heading);color:#fff;border-radius:var(--radius-md)}.skip-link:focus{transform:translateY(0);outline:2px solid var(--color-primary);outline-offset:2px}:where(a,button,summary):focus-visible{outline:2px solid var(--color-primary-dark);outline-offset:3px}