:root{--color-bg:#ffffff;--color-text:#1a1a1a;--color-muted:#6b6b6b;--color-border:#e5e5e5;--color-accent:#1a1a1a;--color-card-bg:#fafafa}@media(prefers-color-scheme:dark){:root{--color-bg:#121212;--color-text:#e8e8e8;--color-muted:#a0a0a0;--color-border:#2c2c2c;--color-accent:#ffffff;--color-card-bg:#1c1c1c}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,segoe ui,pingfang tc,noto sans tc,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{border-bottom:1px solid var(--color-border)}.site-header__inner{max-width:760px;margin:0 auto;padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.site-title{font-weight:700;font-size:1.1rem}.main-nav ul{list-style:none;display:flex;gap:1.5rem;margin:0;padding:0}.main-nav a{color:var(--color-muted);padding-bottom:.2rem;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.active{color:var(--color-text);border-bottom-color:var(--color-accent)}.site-main{max-width:760px;margin:0 auto;padding:3rem 1.5rem;min-height:60vh}.section-title{margin-bottom:2rem}.about-page{text-align:center}.about-avatar img,.about-avatar__placeholder{width:120px;height:120px;border-radius:50%;margin:0 auto 1.5rem;object-fit:cover}.about-avatar__placeholder{display:flex;align-items:center;justify-content:center;background:var(--color-card-bg);border:1px solid var(--color-border);font-size:2.5rem;font-weight:700}.about-title{margin-bottom:1.5rem}.about-content{text-align:left}.post-list{list-style:none;margin:0;padding:0}.post-item{padding:1.5rem 0;border-bottom:1px solid var(--color-border)}.post-item:first-child{padding-top:0}.post-item__meta{display:flex;gap:1rem;color:var(--color-muted);font-size:.85rem;margin-bottom:.4rem}.post-item__title{display:block;font-size:1.15rem;font-weight:700;margin-bottom:.4rem}.post-item__title:hover{text-decoration:underline}.post-item__excerpt{color:var(--color-muted);margin:0}.post-meta{display:flex;gap:1rem;color:var(--color-muted);font-size:.85rem;margin-bottom:2rem}.post-content{overflow-wrap:break-word}.post-content img{border-radius:6px;margin:1.5rem 0}.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.project-card{border:1px solid var(--color-border);border-radius:8px;overflow:hidden;background:var(--color-card-bg);transition:transform .15s ease,box-shadow .15s ease}.project-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,8%)}.project-card__cover{aspect-ratio:16/10;overflow:hidden;background:var(--color-border)}.project-card__cover img{width:100%;height:100%;object-fit:cover}.project-card__title{margin:1rem 1rem .4rem;font-size:1.05rem}.project-card__desc{margin:0 1rem 1rem;color:var(--color-muted);font-size:.9rem}.project-cover img{border-radius:8px;margin-bottom:1.5rem}.project-links{display:flex;gap:1rem;margin:.75rem 0 2rem}.project-links a{border:1px solid var(--color-border);border-radius:6px;padding:.4rem .9rem;font-size:.9rem}.project-links a:hover{border-color:var(--color-accent)}.site-footer{border-top:1px solid var(--color-border);margin-top:2rem}.site-footer__inner{max-width:760px;margin:0 auto;padding:1.5rem;display:flex;gap:1.25rem;flex-wrap:wrap;color:var(--color-muted);font-size:.85rem}@media(max-width:600px){.project-grid{grid-template-columns:1fr}.site-header__inner{flex-direction:column;align-items:flex-start}}