:root{--color-bg: #FAFAF7;--color-bg-secondary: #F1F3F2;--color-surface: #FFFFFF;--color-surface-hover: #F8FAF9;--color-text-primary: #20252B;--color-text-secondary: #4B5563;--color-text-muted: #6B7280;--color-text-light: #9CA3AF;--color-accent-bamboo: #6E9987;--color-accent-bamboo-hover: #557A6B;--color-accent-bamboo-light: #EBF4F0;--color-accent-cloud: #DDEBF4;--color-accent-cloud-dark: #8DB8D0;--color-border: #E5E7EB;--color-border-subtle: #F0F2F1;--color-border-focus: #6E9987;--color-tag-bg: #F4F7F5;--color-tag-text: #3D6151;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px -2px rgba(32, 37, 43, .06), 0 2px 6px -1px rgba(32, 37, 43, .04);--shadow-lg: 0 10px 24px -4px rgba(32, 37, 43, .08), 0 4px 12px -2px rgba(32, 37, 43, .04);--shadow-card: 0 2px 8px rgba(32, 37, 43, .04), 0 1px 2px rgba(32, 37, 43, .02);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--max-w-content: 1200px;--max-w-article: 840px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text-primary);font-size:16px;line-height:1.6;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;background-color:var(--color-bg)}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);line-height:1.3;font-weight:700;letter-spacing:-.01em}p{color:var(--color-text-secondary);line-height:1.75}a{color:inherit;text-decoration:none;transition:color var(--transition-fast),border-color var(--transition-fast)}a:hover{color:var(--color-accent-bamboo-hover)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--color-accent-bamboo);outline-offset:3px;border-radius:var(--radius-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-weight:600;font-size:.95rem;padding:.75rem 1.4rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all var(--transition-normal);white-space:nowrap}.btn-primary{background-color:var(--color-accent-bamboo);color:#fff;border-color:var(--color-accent-bamboo);box-shadow:0 2px 6px #6e99874d}.btn-primary:hover{background-color:var(--color-accent-bamboo-hover);border-color:var(--color-accent-bamboo-hover);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px #6e998766}.btn-secondary{background-color:#fff;color:var(--color-text-primary);border-color:var(--color-border);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background-color:var(--color-surface-hover);border-color:var(--color-accent-bamboo);color:var(--color-accent-bamboo-hover);transform:translateY(-1px)}.btn-sm{padding:.5rem .9rem;font-size:.85rem}.btn-lg{padding:.85rem 1.8rem;font-size:1.05rem}.container{width:100%;max-width:var(--max-w-content);margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem}.section{padding:4.5rem 0;position:relative}.section-alt{background-color:var(--color-bg-secondary)}.section-header{text-align:center;max-width:720px;margin:0 auto 3rem}.section-tag{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-tag-text);background-color:var(--color-tag-bg);padding:.3rem .8rem;border-radius:var(--radius-full);margin-bottom:.85rem;border:1px solid rgba(110,153,135,.2)}.section-title{font-size:2.1rem;font-weight:800;color:var(--color-text-primary);margin-bottom:.85rem}.section-subtitle{font-size:1.05rem;color:var(--color-text-secondary);line-height:1.7}@keyframes floatSlow{0%{transform:translateY(0) translate(0)}50%{transform:translateY(-8px) translate(4px)}to{transform:translateY(0) translate(0)}}@keyframes floatGentle{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-5px) scale(1.02)}to{transform:translateY(0) scale(1)}}.animate-float-slow{animation:floatSlow 6s ease-in-out infinite}.animate-float-gentle{animation:floatGentle 5s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.animate-float-slow,.animate-float-gentle,.btn,a{animation:none!important;transition:none!important}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-card);transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);display:flex;flex-direction:column}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#6e998766}@media (max-width: 1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.section-title{font-size:1.85rem}}@media (max-width: 768px){.section{padding:3rem 0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:1.25rem}.section-title{font-size:1.6rem}.section-subtitle{font-size:.95rem}}@media (max-width: 480px){.container{padding-left:1rem;padding-right:1rem}.card{padding:1.25rem}.btn{width:100%}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background-color:#fafaf7f0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border-subtle);box-shadow:0 1px 3px #00000005}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:72px}.brand-link[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.75rem;color:var(--color-text-primary)}.brand-logo-icon[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center}.brand-text[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column}.brand-title[data-astro-cid-3ef6ksr2]{font-size:1.25rem;font-weight:800;line-height:1.1;color:var(--color-text-primary)}.brand-subtitle[data-astro-cid-3ef6ksr2]{font-size:.75rem;font-weight:600;color:var(--color-accent-bamboo);letter-spacing:.08em}.desktop-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1.75rem;list-style:none}.nav-link[data-astro-cid-3ef6ksr2]{font-size:.95rem;font-weight:500;color:var(--color-text-secondary);padding:.4rem .2rem;position:relative}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-accent-bamboo)}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.75rem}.mobile-menu-btn[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;justify-content:space-around;width:38px;height:38px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px;cursor:pointer}.hamburger-line[data-astro-cid-3ef6ksr2]{width:100%;height:2px;background-color:var(--color-text-primary);border-radius:2px;transition:all var(--transition-fast)}.mobile-nav[data-astro-cid-3ef6ksr2]{display:none;position:fixed;inset:72px 0 0;background-color:#fafaf7fa;backdrop-filter:blur(16px);z-index:49;padding:1.5rem;overflow-y:auto}.mobile-nav[data-astro-cid-3ef6ksr2].is-open{display:block}.mobile-nav-list[data-astro-cid-3ef6ksr2]{list-style:none;display:flex;flex-direction:column;gap:.5rem}.mobile-nav-link[data-astro-cid-3ef6ksr2]{display:block;padding:.9rem 1rem;font-size:1.1rem;font-weight:600;color:var(--color-text-primary);border-radius:var(--radius-md);background-color:var(--color-surface);border:1px solid var(--color-border-subtle)}.mobile-nav-link[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-tag-bg);color:var(--color-accent-bamboo)}.mobile-nav-footer[data-astro-cid-3ef6ksr2]{margin-top:2rem;display:flex;flex-direction:column;gap:.75rem}.mobile-nav-note[data-astro-cid-3ef6ksr2]{font-size:.75rem;color:var(--color-text-muted);text-align:center}@media (max-width: 900px){.desktop-nav[data-astro-cid-3ef6ksr2]{display:none}.mobile-menu-btn[data-astro-cid-3ef6ksr2]{display:flex}}@media (max-width: 480px){.header-cta[data-astro-cid-3ef6ksr2]{display:none}}.site-footer[data-astro-cid-sz7xmlte]{background-color:#fafaf7;border-top:1px solid var(--color-border);padding:4rem 0 2rem;margin-top:auto;font-size:.875rem;color:var(--color-text-secondary)}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:2.5rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem}.brand-col[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:1rem}.footer-logo-title[data-astro-cid-sz7xmlte]{font-size:1.25rem;font-weight:800;color:var(--color-text-primary)}.footer-desc[data-astro-cid-sz7xmlte]{line-height:1.7;font-size:.85rem;color:var(--color-text-secondary)}.highlight-link[data-astro-cid-sz7xmlte]{color:var(--color-accent-bamboo-hover);font-weight:600}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:.5rem;padding-top:1rem;border-top:1px solid var(--color-border-subtle);text-align:center}.footer-copyright[data-astro-cid-sz7xmlte]{font-size:.8rem;color:var(--color-text-muted)}.footer-legal-note[data-astro-cid-sz7xmlte]{font-size:.75rem;color:var(--color-text-light);line-height:1.6;max-width:900px;margin:0 auto}@media (max-width: 1024px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width: 640px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:2rem}.footer-bottom[data-astro-cid-sz7xmlte]{text-align:left}}