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var(--color-border-light)}.nav-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between}.logo{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:.04em}.nav-links{display:flex;align-items:center;gap:2.25rem}.nav-link{font-size:.9rem;color:var(--color-text-secondary);text-decoration:none;position:relative;padding:.25rem 0;transition:color var(--transition);letter-spacing:.02em}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:1.5px;background:var(--color-accent);transition:width var(--transition)}.nav-link.active,.nav-link:hover{color:var(--color-text)}.nav-link.active:after,.nav-link:hover:after{width:100%}.nav-link.diary-link{color:var(--color-accent);font-weight:500}.theme-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--color-border);border-radius:50%;background:transparent;cursor:pointer;color:var(--color-text-secondary);transition:all var(--transition);padding:0;margin-left:.5rem}.theme-toggle:hover{border-color:var(--color-accent);color:var(--color-accent)}.theme-toggle svg{width:17px;height:17px;transition:transform .4s ease}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,[data-theme=dark] .theme-toggle .icon-sun{display:block}.nav-toggle,[data-theme=dark] .theme-toggle .icon-moon{display:none}.nav-toggle{flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--color-text);transition:var(--transition)}.footer{border-top:1px solid var(--color-border-light);padding:4rem 0 2rem;background:var(--color-surface)}.footer-inner{display:flex;justify-content:space-between;margin-bottom:3rem}.footer-brand{max-width:280px}.footer-logo{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:.04em}.footer-desc{font-size:.85rem;color:var(--color-text-muted);margin-top:.75rem;line-height:1.7}.footer-links{display:flex;gap:4rem}.footer-col h4{font-size:.82rem;font-weight:600;color:var(--color-text);margin-bottom:1rem;letter-spacing:.04em}.footer-col a{display:block;font-size:.85rem;color:var(--color-text-muted);text-decoration:none;padding:.3rem 0;transition:color var(--transition)}.footer-col a:hover{color:var(--color-accent)}.footer-bottom{padding-top:2rem;border-top:1px solid var(--color-border-light);text-align:center}.footer-bottom p{font-size:.78rem;color:var(--color-text-muted)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.section{margin-bottom:5rem}.section-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2.5rem}.section-title{font-family:var(--font-serif);font-size:1.75rem;font-weight:700;color:var(--color-text);letter-spacing:.02em}.section-more{font-size:.85rem;color:var(--color-text-muted);text-decoration:none;transition:color var(--transition);letter-spacing:.02em}.section-more:hover{color:var(--color-accent)}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.newsletter-form{display:flex;gap:.5rem}.newsletter-form input{flex:1 1;padding:.65rem .9rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.85rem;background:var(--input-bg);color:var(--color-text);outline:none;transition:border-color var(--transition)}.newsletter-form input:focus{border-color:var(--color-accent)}.newsletter-form button{padding:.65rem 1.1rem;background:var(--color-text);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.82rem;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap}.newsletter-form button:hover{background:var(--color-accent)}@media (max-width:480px){.newsletter-form{flex-direction:column}}@media (max-width:768px){.nav-links{display:none}.nav-toggle{display:flex}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--color-surface);padding:1.5rem 2rem;gap:1.25rem;border-bottom:1px solid var(--color-border-light);box-shadow:var(--shadow-md)}.footer-inner{flex-direction:column;gap:2rem}.footer-links{gap:2.5rem}}@media (max-width:480px){.footer-links{flex-direction:column;gap:1.5rem}}