:root{--primary-color:#007bff;--text-color:#333;--bg-color:#f4f4f4;--white:#fff;--border-color:#ddd}body{background-color:var(--bg-color);color:var(--text-color);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;margin:0;padding:0}a{color:inherit;text-decoration:none}ul{list-style:none;margin:0;padding:0}.container{margin:0 auto;max-width:1200px;padding:0 20px}.site-header{background-color:var(--white);box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:100}.header-inner{align-items:center;display:flex;height:60px;justify-content:space-between}.logo a{color:var(--primary-color);font-size:1.5rem;font-weight:700}.main-nav ul{display:flex;gap:20px}.main-nav a{border-radius:4px;font-weight:500;padding:5px 10px;transition:color .3s}.main-nav a.active,.main-nav a:hover{background-color:#007bff1a;color:var(--primary-color)}.site-content{min-height:calc(100vh - 140px);padding:20px 0}.site-footer{background-color:#333;color:#fff;margin-top:auto;padding:20px 0;text-align:center}.page-grid{display:grid;gap:30px;grid-template-columns:1fr 300px}.content-area{background:var(--white);border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:20px}.news-list{display:flex;flex-direction:column;gap:20px}.news-item{border-bottom:1px solid var(--border-color);display:flex;gap:20px;padding-bottom:20px}.news-item:last-child{border-bottom:none}.news-cover{border-radius:4px;flex-shrink:0;height:130px;-o-object-fit:cover;object-fit:cover;width:200px}.news-info{flex:1}.news-title{font-size:1.25rem;margin:0 0 10px}.news-title a:hover{color:var(--primary-color);text-decoration:underline}.news-meta{color:#777;font-size:.85rem;margin-bottom:10px}.news-summary{color:#555;font-size:.95rem}.pagination{display:flex;gap:10px;justify-content:center;margin-top:30px}.pagination button{background:var(--white);border:1px solid var(--border-color);border-radius:4px;cursor:pointer;padding:8px 16px}.pagination button.active{background-color:var(--primary-color);border-color:var(--primary-color);color:var(--white)}.pagination button:disabled{cursor:not-allowed;opacity:.5}.article-detail{background:var(--white);border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:40px}.article-header{border-bottom:1px solid var(--border-color);margin-bottom:30px;padding-bottom:20px}.article-title{font-size:2rem;margin-bottom:10px}.article-meta{color:#777}.article-content{font-size:1.1rem;line-height:1.8}@media(max-width:768px){.page-grid{grid-template-columns:1fr}.news-item{flex-direction:column}.news-cover{height:auto;width:100%}}