:root{--clr-primary:#6f9f8b;--clr-primary-light:#8fbfab;--clr-primary-dark:#5a8573;--clr-secondary:#e7c0c6;--clr-tertiary:#d4c5a9;--clr-success:#a6cba8;--clr-warning:#e2c38e;--clr-danger:#d98d8d;--clr-info:#a9d2e3;--clr-cream:#fff8f0;--clr-cream-dark:#f5ede3;--clr-charcoal:#2c2c2c;--clr-text:#3a3a3a;--clr-text-light:#6b6b6b;--clr-text-muted:#9b9b9b;--clr-border:#0000000f;--glass-bg:#ffffff8c;--glass-bg-heavy:#ffffffb8;--glass-border:#ffffff59;--glass-shadow:0 8px 32px #0000000f;--glass-blur:16px;--font-sans:"Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif:"Noto Serif SC", "Georgia", serif;--content-max:1200px;--section-pad:clamp(60px, 10vw, 120px);--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--transition:.3s cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--clr-text);background:var(--clr-cream);-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;background:0 0;border:none}.container{max-width:var(--content-max);margin:0 auto;padding:0 24px}.section{padding:var(--section-pad) 0}.text-center{text-align:center}.hidden{display:none!important}h1,h2,h3,h4,h5{color:var(--clr-charcoal);font-weight:700;line-height:1.25}h1{letter-spacing:-.02em;font-size:clamp(2rem,5vw,3.2rem)}h2{letter-spacing:-.01em;font-size:clamp(1.6rem,4vw,2.4rem)}h3{font-size:clamp(1.2rem,3vw,1.6rem)}.subtitle{color:var(--clr-text-light);max-width:640px;font-size:clamp(1rem,2vw,1.2rem);line-height:1.7}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);transition:transform var(--transition), box-shadow var(--transition)}.glass-card:hover{transform:translateY(-4px);box-shadow:0 16px 48px #00000017}.btn{border-radius:var(--radius-md);transition:all var(--transition);align-items:center;gap:8px;padding:14px 28px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--clr-primary);color:#fff}.btn-primary:hover{background:var(--clr-primary-dark);transform:translateY(-2px)}.btn-outline{color:var(--clr-primary);border:2px solid var(--clr-primary);background:0 0}.btn-outline:hover{background:var(--clr-primary);color:#fff}.btn-ghost{color:var(--clr-text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff80}.btn-ghost:hover{background:#fffc}.site-nav{z-index:100;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--clr-border);transition:box-shadow var(--transition);background:#fff8f0d9;padding:16px 0;position:fixed;top:0;left:0;right:0}.site-nav.scrolled{box-shadow:0 4px 20px #0000000d}.nav-inner{max-width:var(--content-max);align-items:center;margin:0 auto;padding:0 24px;display:flex}.nav-logo{color:var(--clr-primary);letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;display:flex}.nav-logo svg{width:32px;height:32px}.nav-links{gap:28px;margin-left:auto;margin-right:20px;list-style:none;display:flex}.nav-links a{color:var(--clr-text-light);transition:color var(--transition);font-size:.9rem;font-weight:500}.nav-links a:hover,.nav-links a.active{color:var(--clr-primary)}.nav-actions{align-items:center;gap:10px;display:flex}.lang-toggle{color:var(--clr-text-light);cursor:pointer;background:#0000000a;border-radius:8px;padding:6px 12px;font-size:.8rem;font-weight:600}.lang-toggle:hover{background:#00000014}.site-footer{background:var(--clr-cream-dark);border-top:1px solid var(--clr-border);padding:60px 0 32px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px;display:grid}.footer-brand .nav-logo{margin-bottom:12px}.footer-brand p{color:var(--clr-text-light);max-width:280px;font-size:.88rem}.footer-col h4{color:var(--clr-charcoal);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-size:.85rem;font-weight:700}.footer-col a{color:var(--clr-text-light);transition:color var(--transition);padding:4px 0;font-size:.88rem;display:block}.footer-col a:hover{color:var(--clr-primary)}.footer-bottom{border-top:1px solid var(--clr-border);color:var(--clr-text-muted);justify-content:space-between;align-items:center;padding-top:24px;font-size:.8rem;display:flex}.reveal{opacity:0;transition:opacity .6s ease-out,transform .6s ease-out;transform:translateY(24px)}.reveal.visible{opacity:1;transform:translateY(0)}[data-lang=en]{display:none}html[lang=en] [data-lang=en]{display:revert}html[lang=en] [data-lang=zh]{display:none}@media (width<=768px){.nav-links{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-bottom{text-align:center;flex-direction:column;gap:12px}}