@import "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&family=Inter:wght@400;500;600&display=swap";.nav[data-astro-cid-wpvy4v7s]{z-index:100;backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);height:var(--nav-height);background:#ffffffeb;position:sticky;top:0}.nav-inner[data-astro-cid-wpvy4v7s]{justify-content:space-between;align-items:center;height:100%;display:flex}.logo[data-astro-cid-wpvy4v7s]{align-items:baseline;gap:.6rem;text-decoration:none;display:flex}.logo-text[data-astro-cid-wpvy4v7s]{font-family:var(--font-heading-latin);color:var(--color-primary);letter-spacing:-.01em;font-size:1.3rem;font-weight:700}.logo-tagline[data-astro-cid-wpvy4v7s]{color:var(--color-text-muted);font-size:.8rem;font-weight:400}.nav-links[data-astro-cid-wpvy4v7s]{gap:2rem;list-style:none;display:flex}.nav-links[data-astro-cid-wpvy4v7s] a[data-astro-cid-wpvy4v7s]{color:var(--color-text-secondary);border-bottom:2px solid #0000;padding:.25rem 0;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s}.nav-links[data-astro-cid-wpvy4v7s] a[data-astro-cid-wpvy4v7s]:hover{color:var(--color-primary);border-bottom-color:var(--color-accent)}.nav-links[data-astro-cid-wpvy4v7s] a[data-astro-cid-wpvy4v7s].active{color:var(--color-primary);border-bottom-color:var(--color-primary)}@media (width<=768px){.logo-tagline[data-astro-cid-wpvy4v7s]{display:none}.nav-links[data-astro-cid-wpvy4v7s]{gap:1.25rem}.nav-links[data-astro-cid-wpvy4v7s] a[data-astro-cid-wpvy4v7s]{font-size:.88rem}}.footer[data-astro-cid-jo6i4kqk]{background:var(--color-primary-dark);color:#ffffffd9;margin-top:4rem}.footer-inner[data-astro-cid-jo6i4kqk]{justify-content:space-between;gap:3rem;padding:3rem 1.5rem;display:flex}.footer-brand[data-astro-cid-jo6i4kqk]{max-width:320px}.footer-logo[data-astro-cid-jo6i4kqk]{font-family:var(--font-heading-latin);color:#fff;margin-bottom:.75rem;font-size:1.3rem;font-weight:700;display:block}.footer-desc[data-astro-cid-jo6i4kqk]{color:#fff9;font-size:.9rem;line-height:1.6}.footer-links[data-astro-cid-jo6i4kqk]{gap:3rem;display:flex}.footer-col[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.5rem;display:flex}.footer-col[data-astro-cid-jo6i4kqk] strong[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.05em;color:#ffffff80;margin-bottom:.5rem;font-size:.85rem}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk],.footer-col[data-astro-cid-jo6i4kqk] span[data-astro-cid-jo6i4kqk]{color:#ffffffb3;font-size:.9rem;text-decoration:none;transition:color .2s}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:#fff}.footer-wechat[data-astro-cid-jo6i4kqk]{color:var(--color-accent-light)!important}.footer-bottom[data-astro-cid-jo6i4kqk]{text-align:center;border-top:1px solid #ffffff1a;padding:1.25rem 0}.footer-bottom[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{color:#fff6;margin:0;font-size:.8rem}@media (width<=768px){.footer-inner[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:2rem}.footer-links[data-astro-cid-jo6i4kqk]{gap:2rem}}:root{--color-primary:#1a365d;--color-primary-light:#2a4a7f;--color-primary-dark:#0f2440;--color-accent:#c4862b;--color-accent-light:#f5e6cc;--color-accent-dark:#9a691f;--color-bg:#fafaf9;--color-surface:#fff;--color-text:#1a202c;--color-text-secondary:#4a5568;--color-text-muted:#718096;--color-border:#e2e8f0;--color-border-light:#edf2f7;--font-heading:"Noto Serif SC", "Playfair Display", Georgia, serif;--font-heading-latin:"Playfair Display", Georgia, serif;--font-body:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"SF Mono", "Fira Code", monospace;--max-width:960px;--max-width-article:720px;--nav-height:64px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 30px #00000014;--radius-sm:6px;--radius-md:10px;--radius-lg:16px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);min-height:100vh;line-height:1.7}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-primary);font-weight:600;line-height:1.3}h1{letter-spacing:-.02em;font-size:2.25rem}h2{letter-spacing:-.01em;font-size:1.75rem}h3{font-size:1.35rem}h4{font-size:1.15rem}p{color:var(--color-text-secondary);margin-bottom:1rem}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-accent)}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.container-narrow{max-width:var(--max-width-article);margin:0 auto;padding:0 1.5rem}.section{padding:4rem 0}.section--alt{background:var(--color-surface)}.btn{border-radius:var(--radius-sm);font-family:var(--font-body);cursor:pointer;border:none;align-items:center;gap:.5rem;padding:.7rem 1.5rem;font-size:.95rem;font-weight:500;line-height:1;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-light);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-outline{color:var(--color-primary);border:1.5px solid var(--color-border);background:0 0}.btn-outline:hover{border-color:var(--color-primary);background:var(--color-accent-light);color:var(--color-primary-dark)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-dark);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.5rem;transition:all .25s}.card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary);transform:translateY(-2px)}.badge{background:var(--color-accent-light);color:var(--color-accent-dark);border-radius:999px;padding:.2rem .6rem;font-size:.8rem;font-weight:500;display:inline-block}.table-wrapper{margin:1.5rem 0;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:.75rem 1rem}th{background:var(--color-accent-light);color:var(--color-primary);font-weight:600;font-family:var(--font-heading);white-space:nowrap}tr:hover td{background:#fafaf9}.faq-list{flex-direction:column;gap:.75rem;display:flex}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden}.faq-question{background:var(--color-surface);text-align:left;width:100%;font-family:var(--font-body);color:var(--color-text);cursor:pointer;border:none;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem;font-size:1rem;font-weight:500;display:flex}.faq-question:hover{background:var(--color-accent-light)}.faq-icon{color:var(--color-accent);flex-shrink:0;font-size:1.2rem;transition:transform .2s}.faq-item.open .faq-icon{transform:rotate(45deg)}.faq-answer{max-height:0;padding:0 1.25rem;transition:all .3s;overflow:hidden}.faq-item.open .faq-answer{max-height:500px;padding:0 1.25rem 1.25rem}@media (width<=768px){:root{--nav-height:56px}h1{font-size:1.75rem}h2{font-size:1.4rem}h3{font-size:1.2rem}.section{padding:2.5rem 0}.container,.container-narrow{padding:0 1rem}}