:root{--color-bg-primary: #fbfaf8;--color-bg-secondary: #f3f1ec;--color-bg-tertiary: #ebe8e1;--color-bg-card: #ffffff;--color-accent-primary: #0f766e;--color-accent-secondary: #0d9488;--color-accent-tertiary: #115e59;--color-accent-contrast: #ffffff;--color-accent-soft: color-mix(in srgb, var(--color-accent-primary) 10%, transparent);--color-accent-soft-md: color-mix(in srgb, var(--color-accent-primary) 16%, transparent);--color-accent-soft-lg: color-mix(in srgb, var(--color-accent-primary) 22%, transparent);--color-accent-ring: color-mix(in srgb, var(--color-accent-primary) 35%, transparent);--color-text-primary: #1c1917;--color-text-secondary: #57534e;--color-text-muted: #a8a29e;--color-border: color-mix(in srgb, #78716c 16%, transparent);--color-border-hover: var(--color-accent-ring);--gradient-primary: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);--gradient-hero: linear-gradient(180deg, #fbfaf8 0%, #f3f1ec 100%);--gradient-glow: radial-gradient(ellipse at center, color-mix(in srgb, #0f766e 12%, transparent) 0%, transparent 70%);--shadow-card: 0 1px 2px rgba(28, 25, 23, .04), 0 8px 24px rgba(28, 25, 23, .06);--shadow-card-lift: 0 4px 8px rgba(28, 25, 23, .04), 0 16px 40px rgba(28, 25, 23, .1);--shadow-glow: 0 8px 24px color-mix(in srgb, var(--color-accent-primary) 18%, transparent);--ease-out-soft: cubic-bezier(.22, 1, .36, 1);--ease-out-swift: cubic-bezier(.16, 1, .3, 1);--duration-reveal: .72s;--duration-micro: .28s;--spacing-section: 112px;--spacing-component: 40px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--font-sans: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, monospace}[data-theme=dark]{--color-bg-primary: #0c1017;--color-bg-secondary: #121821;--color-bg-tertiary: #1a2230;--color-bg-card: #151c28;--color-accent-primary: #3eb8a8;--color-accent-secondary: #5ec9bb;--color-accent-tertiary: #8ad9ce;--color-accent-contrast: #06201c;--color-accent-soft: color-mix(in srgb, var(--color-accent-primary) 14%, transparent);--color-accent-soft-md: color-mix(in srgb, var(--color-accent-primary) 20%, transparent);--color-accent-soft-lg: color-mix(in srgb, var(--color-accent-primary) 28%, transparent);--color-accent-ring: color-mix(in srgb, var(--color-accent-primary) 38%, transparent);--color-text-primary: #e8eef6;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: color-mix(in srgb, #94a3b8 14%, transparent);--color-border-hover: var(--color-accent-ring);--gradient-primary: linear-gradient(135deg, #2a9b8f 0%, #3eb8a8 100%);--gradient-hero: linear-gradient(180deg, #0c1017 0%, #121821 100%);--gradient-glow: radial-gradient(ellipse at center, color-mix(in srgb, #3eb8a8 12%, transparent) 0%, transparent 70%);--shadow-card: 0 4px 24px rgba(0, 0, 0, .4);--shadow-card-lift: 0 8px 16px rgba(0, 0, 0, .28), 0 20px 48px rgba(0, 0, 0, .45);--shadow-glow: 0 8px 28px color-mix(in srgb, var(--color-accent-primary) 20%, transparent)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}main>section[id],.story-block[id]{scroll-margin-top:5.5rem}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:var(--color-accent-primary);color:var(--color-accent-contrast)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-text-muted);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.container{max-width:1120px;margin:0 auto;padding:0 24px}a{color:var(--color-accent-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-accent-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:background var(--duration-micro) var(--ease-out-soft),border-color var(--duration-micro) var(--ease-out-soft),color var(--duration-micro) var(--ease-out-soft),transform var(--duration-micro) var(--ease-out-soft),box-shadow var(--duration-micro) var(--ease-out-soft);text-decoration:none}.btn-primary{background:var(--color-accent-primary);color:var(--color-accent-contrast);box-shadow:none}.btn-primary:hover{background:var(--color-accent-secondary);transform:translateY(-2px);box-shadow:var(--shadow-glow);color:var(--color-accent-contrast)}.btn-primary:active{transform:translateY(0) scale(.98);box-shadow:none}.btn-secondary{background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-border-hover);background:var(--color-bg-tertiary);color:var(--color-text-primary);transform:translateY(-1px)}.btn-secondary:active{transform:translateY(0) scale(.98)}.btn-lg{padding:14px 28px;font-size:16px}.section-title{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;letter-spacing:-.02em;text-align:center;margin-bottom:12px;color:var(--color-text-primary)}.section-subtitle{font-size:1.0625rem;color:var(--color-text-secondary);text-align:center;max-width:36em;margin:0 auto var(--spacing-component);line-height:1.65}.fade-in{opacity:0;transform:translate3d(0,18px,0);transition:opacity var(--duration-reveal) var(--ease-out-soft),transform var(--duration-reveal) var(--ease-out-soft),box-shadow var(--duration-reveal) var(--ease-out-soft);transition-delay:var(--reveal-delay, 0ms);will-change:opacity,transform}.fade-in.visible{opacity:1;transform:translateZ(0);will-change:auto}.fade-in.reveal-left{transform:translate3d(-28px,0,0)}.fade-in.reveal-right{transform:translate3d(28px,0,0)}.fade-in.reveal-left.visible,.fade-in.reveal-right.visible{transform:translateZ(0)}.fade-in.reveal-scale{transform:translate3d(0,20px,0) scale(.975)}.fade-in.reveal-scale.visible{transform:translateZ(0) scale(1)}.fade-in.reveal-scale.visible.is-liftable:hover{transform:translate3d(0,-4px,0) scale(1);box-shadow:var(--shadow-card-lift)}.fade-in-delay-1{--reveal-delay: 80ms}.fade-in-delay-2{--reveal-delay: .16s}.fade-in-delay-3{--reveal-delay: .24s}.fade-in-delay-4{--reveal-delay: .32s}.fade-in-delay-5{--reveal-delay: .4s}.reveal-stagger>*{opacity:0;transform:translate3d(0,10px,0);transition:opacity .55s var(--ease-out-soft),transform .55s var(--ease-out-soft);transition-delay:calc(var(--stagger-base, 80ms) + (var(--i, 0) * 55ms))}.reveal-stagger.visible>*{opacity:1;transform:translateZ(0)}.lift-card{transition:transform var(--duration-micro) var(--ease-out-soft),border-color var(--duration-micro) var(--ease-out-soft),box-shadow var(--duration-micro) var(--ease-out-soft),background var(--duration-micro) var(--ease-out-soft)}.lift-card:hover{transform:translateY(-3px);border-color:var(--color-border-hover);box-shadow:var(--shadow-card-lift)}.grid-bg{position:absolute;inset:0;background-image:linear-gradient(color-mix(in srgb,var(--color-text-muted) 8%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--color-text-muted) 8%,transparent) 1px,transparent 1px);background-size:64px 64px;pointer-events:none;opacity:.35}.glow-effect{position:absolute;width:480px;height:480px;background:var(--gradient-glow);border-radius:50%;pointer-events:none;opacity:.45;contain:strict}html.page-hidden *,html.page-hidden *:before,html.page-hidden *:after{animation-play-state:paused!important}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.fade-in,.reveal-stagger>*{opacity:1!important;transform:none!important;will-change:auto!important}.lift-card:hover,.fade-in.reveal-scale.visible.is-liftable:hover{transform:none!important}}@media (max-width: 900px){.fade-in.reveal-left,.fade-in.reveal-right{transform:translate3d(0,16px,0)}}@media (max-width: 768px){:root{--spacing-section: 72px;--spacing-component: 28px}.section-title{font-size:1.5rem}.section-subtitle{font-size:.95rem}.btn{padding:11px 20px;font-size:14px}}.header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;overflow:visible;border-bottom:1px solid transparent;transition:background .35s var(--ease-out-soft),border-color .35s var(--ease-out-soft),box-shadow .35s var(--ease-out-soft),backdrop-filter .35s var(--ease-out-soft),padding .35s var(--ease-out-soft)}:root .header,[data-theme=light] .header{background:color-mix(in srgb,var(--color-bg-primary) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-theme=dark] .header{background:color-mix(in srgb,var(--color-bg-primary) 88%,transparent)!important;backdrop-filter:blur(12px)!important;-webkit-backdrop-filter:blur(12px)!important}.header.is-scrolled{padding:12px 0;border-bottom-color:var(--color-border);box-shadow:0 8px 24px #1c19170f}[data-theme=dark] .header.is-scrolled{box-shadow:0 8px 28px #00000059}.header-inner{display:flex;align-items:center;justify-content:space-between}.logo{display:inline-flex;align-items:center;gap:.65rem;position:relative;z-index:2;height:40px;color:var(--color-text-primary);line-height:1;text-decoration:none}.logo:hover{color:var(--color-text-primary)}.logo-mark{position:relative;width:36px;height:40px;flex-shrink:0}.logo-img{position:absolute;left:42%;top:68%;width:76px;height:76px;display:block;transform:translate(-50%,-50%) rotate(-10deg);transform-origin:center center;filter:drop-shadow(0 6px 14px rgba(28,25,23,.14));transition:transform .35s var(--ease-out-soft),filter .35s var(--ease-out-soft);pointer-events:none}.logo:hover .logo-img{transform:translate(-50%,-52%) rotate(-6deg) scale(1.06);filter:drop-shadow(0 10px 20px rgba(28,25,23,.18))}[data-theme=dark] .logo-img{filter:drop-shadow(0 8px 18px rgba(0,0,0,.45))}[data-theme=dark] .logo:hover .logo-img{filter:drop-shadow(0 12px 24px rgba(0,0,0,.55))}.logo-text{position:relative;z-index:1;font-size:1.25rem;font-weight:700;letter-spacing:.06em}.nav{display:flex;align-items:center;gap:32px}.nav-link{display:flex;align-items:center;gap:6px;color:var(--color-text-secondary);font-size:15px;position:relative;transition:color var(--duration-micro) var(--ease-out-soft)}.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--color-accent-primary);border-radius:1px;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out-soft)}.nav-link:hover{color:var(--color-text-primary)}.nav-link:hover:after{transform:scaleX(1)}.icon-github{opacity:.8}.header-cta{padding:10px 20px;font-size:14px}.lang-switcher{display:flex;align-items:center;justify-content:center;padding:8px 14px;color:var(--color-text-secondary);font-size:14px;font-weight:500;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-tertiary);transition:all .2s ease}.lang-switcher:hover{color:var(--color-text-primary);border-color:var(--color-border-hover);background:var(--color-bg-card)}.theme-switcher{display:flex;align-items:center;justify-content:center;padding:8px;color:var(--color-text-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-tertiary);cursor:pointer;transition:all .2s ease}.theme-switcher:hover{color:var(--color-text-primary);border-color:var(--color-border-hover);background:var(--color-bg-card)}.theme-switcher svg{stroke-width:2}.theme-switcher .sun-icon{display:none}.theme-switcher .moon-icon,[data-theme=dark] .theme-switcher .sun-icon{display:block}[data-theme=dark] .theme-switcher .moon-icon{display:none}@media (max-width: 768px){.nav,.logo-text{display:none}.logo-mark{width:44px}.logo-img{width:68px;height:68px;left:50%;top:70%}}.footer[data-astro-cid-sz7xmlte]{background:var(--color-bg-secondary);padding:32px 0;border-top:1px solid var(--color-border)}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;align-items:center;gap:20px}.footer-brand[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--color-text-primary)}.footer-logo[data-astro-cid-sz7xmlte]{width:32px;height:32px}.footer-links[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:center}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--color-text-secondary)}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-text-primary)}.copyright[data-astro-cid-sz7xmlte]{font-size:13px;color:var(--color-text-muted)}.copyright-sep[data-astro-cid-sz7xmlte]{margin:0 4px;opacity:.5}.copyright-license[data-astro-cid-sz7xmlte]{color:var(--color-text-muted)}.copyright-license[data-astro-cid-sz7xmlte]:hover{color:var(--color-text-secondary)}@media (max-width: 768px){.footer-links[data-astro-cid-sz7xmlte]{gap:14px}}