.section-banner{position:relative;height:270px;overflow:hidden}.section-banner .banner-bg{position:absolute;inset:0;background:linear-gradient(135deg,#1a5f9e,#2980b9,#3498db);background-size:cover;background-position:center}.section-banner .banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,#1a5f9ebf,#2980b9b3,#3498dba6);z-index:1}.section-banner .banner-content{position:relative;z-index:2;height:100%;display:flex;align-items:center;justify-content:center}.section-banner .banner-title{font-size:36px;font-weight:700;color:#fff;letter-spacing:4px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.section-content-area{padding:40px 0;background:#f8f9fa}.section-content-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;gap:30px}.section-content-container.full-width .section-main{flex:1}.section-sidebar{width:25%;flex-shrink:0}.section-sidebar-nav{background:#fff;border-radius:8px;box-shadow:0 2px 12px #00000014;overflow:hidden}.section-nav-item{display:flex;align-items:center;padding:18px 24px;color:#333;text-decoration:none;font-size:16px;border-bottom:1px solid #f0f0f0;transition:all .3s ease}.section-nav-item:last-child{border-bottom:none}.section-nav-item:hover{background:#f5f9fc;color:#1a5f9e}.section-nav-item.active{background:linear-gradient(90deg,#1a5f9e,#2980b9);color:#fff}.section-nav-item .nav-icon{margin-right:12px;font-size:14px}.section-nav-item .nav-text{font-weight:500}.section-main{flex:1;min-width:0}.section-main-header{background:#fff;border-radius:8px 8px 0 0;padding:24px 30px;border-bottom:2px solid #1a5f9e;display:flex;align-items:center;justify-content:space-between}.section-main-title{font-size:24px;font-weight:700;color:#333;margin:0}.section-breadcrumb{font-size:14px;color:#666}.section-breadcrumb a{color:#1a5f9e;text-decoration:none}.section-breadcrumb a:hover{text-decoration:underline}.section-breadcrumb .separator{margin:0 8px;color:#999}.section-main-body{background:#fff;border-radius:0 0 8px 8px;padding:40px 30px;box-shadow:0 2px 12px #00000014}.section-main-body .rich-text p{font-size:16px;line-height:2;color:#444;text-indent:2em;margin-bottom:16px}.section-main-body .rich-text p:last-child{margin-bottom:0}.section-main-body .rich-text h3{font-size:18px;color:#1a5f9e;font-weight:700;margin:28px 0 14px;padding-left:12px;border-left:4px solid #1a5f9e}.section-main-body .rich-text .sub-item{font-size:15px;line-height:2;color:#555;text-indent:2em;margin-bottom:4px;padding-left:1em}.article-list{list-style:none;padding:0;margin:0}.article-list-item{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px dashed #e8e8e8}.article-list-item:last-child{border-bottom:none}.article-list-item:before{content:"•";color:#1a5f9e;font-size:18px;margin-right:12px;flex-shrink:0}.article-list-item a{flex:1;color:#333;text-decoration:none;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s}.article-list-item a:hover{color:#1a5f9e}.article-list-item .article-date{color:#999;font-size:14px;margin-left:16px;flex-shrink:0}.article-list-empty{text-align:center;padding:60px 20px;color:#999;font-size:15px}.section-pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}.section-pagination button{padding:8px 14px;border:1px solid #ddd;background:#fff;color:#333;font-size:14px;border-radius:4px;cursor:pointer;transition:all .2s}.section-pagination button:hover:not(:disabled){border-color:#1a5f9e;color:#1a5f9e}.section-pagination button.active{background:#1a5f9e;color:#fff;border-color:#1a5f9e}.section-pagination button:disabled{opacity:.5;cursor:not-allowed}.contact-info{display:flex;flex-direction:column;gap:24px}.contact-item{display:flex;align-items:flex-start;gap:20px;padding:20px 24px;background:#f8f9fa;border-radius:8px;border-left:4px solid #1a5f9e}.contact-label{font-size:15px;font-weight:600;color:#1a5f9e;min-width:50px;flex-shrink:0}.contact-value{font-size:16px;color:#333;line-height:1.6}@media(max-width:768px){.section-banner{height:180px}.section-banner .banner-title{font-size:24px;letter-spacing:2px}.section-content-container{flex-direction:column}.section-sidebar{width:100%}.section-main-header{flex-direction:column;align-items:flex-start;gap:12px}.section-main-body{padding:24px 20px}.article-list-item{flex-direction:column;align-items:flex-start;gap:6px}.article-list-item .article-date{margin-left:24px}}