*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:#1a1a1a;line-height:1.5;background:#fff}.site-header{min-width:1200px;width:100%;height:64px;background:#fff;box-shadow:0 2px 4px 0 hsla(0, 0%, 52.2%, 0.04);position:relative;z-index:100;transition:all .3s}.header-inner{min-width:1200px;width:100%;height:64px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.header-logo-container{display:flex;align-items:center;flex:1;min-width:0;overflow:hidden}.header-brand{display:flex;align-items:center;flex-shrink:0;padding:0 10px;text-decoration:none}.header-logo{display:block;width:auto;height:40px;object-fit:contain}.header-logo-container nav{min-width:0;overflow:hidden}.header-nav{display:flex;align-items:center;gap:32px;height:64px;list-style:none;margin:0 0 0 32px;overflow:hidden}.header-nav li{display:flex;align-items:center;height:64px;flex-shrink:0}.header-nav a{position:relative;display:flex;align-items:center;height:64px;padding:0;font-size:16px;color:#333;font-weight:400;text-decoration:none}.header-nav a:hover{color:#0065bc}.header-nav a.active{color:#0065bc;font-weight:600}.header-nav a.active::after{position:absolute;right:0;bottom:4px;left:0;height:3px;background:#0065bc;content:""}.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;margin-left:32px}.header-btn-login,.header-btn-register{display:flex;align-items:center;justify-content:center;width:80px;height:40px;padding:0;border-radius:2px;font-size:16px;font-weight:500;text-decoration:none;cursor:pointer;transition:color .1s,border-color .1s,background-color .1s}.header-btn-login{border:1px solid #0065bc;color:#0065bc;background:#fff}.header-btn-login:hover{color:#fff;border-color:#0065bc;background:#0065bc}.header-btn-register{border:1px solid #0065bc;color:#fff;background:#0065bc}.header-btn-register:hover{color:#fff;border-color:#0065bc;background:#0065bc}.site-footer{background:#001930;color:#fff;padding:0 0 24px;margin-top:40px}.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px}.footer-main{display:flex;justify-content:space-between;padding:48px 0 24px;border-bottom:1px solid rgba(255, 255, 255, 0.2)}.footer-col-title{font-size:20px;font-weight:500;margin-bottom:24px}.footer-link-item{font-size:14px;margin-bottom:12px;color:rgba(255, 255, 255, 0.72)}.footer-link-item a{color:rgba(255, 255, 255, 0.72);text-decoration:none}.footer-link-item a:hover{color:#fff}.footer-contact-item{font-size:14px;margin-bottom:12px;color:rgba(255, 255, 255, 0.72)}.footer-qr-title{font-size:20px;font-weight:500;margin-bottom:24px}.footer-qr-img{width:120px;height:120px;border-radius:4px}.footer-copyright{text-align:center;padding-top:16px;font-size:13px;color:#999}.footer-copyright a{color:#999;text-decoration:none}.footer-copyright a:hover{color:#ccc}.breadcrumb-bar{width:100%;max-width:1440px;margin:24px auto 20px;padding:21px 24px;background:#f7f8fc}.breadcrumb-inner{font-size:14px;color:#1a1a1a;line-height:22px}.breadcrumb-link{color:#1a1a1a;text-decoration:none;transition:color .2s}.breadcrumb-link:hover{color:#257bfb}.breadcrumb-sep{margin:0 8px;color:#1a1a1a}.breadcrumb-current{color:#505259;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;max-width:400px;vertical-align:bottom}.page-container{width:100%}.body-container{width:100%;max-width:1440px;margin:0 auto;padding:20px 0}.page-wrapper{display:flex;gap:32px;align-items:flex-start}.main-content{flex:1;min-width:0;background:#fff}.sidebar{width:300px;flex-shrink:0}h1{margin:0 0 10px;color:#1a1a1a;font-size:24px;font-weight:500;line-height:1.4}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid #e5e5e5;color:#888b94;font-size:12px;line-height:20px}.article-meta span{display:inline-flex;align-items:center}.article-type-tag{display:inline-flex;align-items:center;padding:2px 8px;border:1px solid #888b94;border-radius:9999px;color:#888b94;font-size:12px;line-height:18px}.article-content{max-width:1280px;margin:20px 0 32px;padding:0 10px;color:#374151;font-size:18px;line-height:1.75;overflow-x:auto;border-radius:5px}.article-content p{margin:0 0 24px;white-space:pre-wrap}.article-content img,.article-content video{max-width:100%;height:auto}.article-content h2{margin:24px 0 16px;color:#1a1a1a;font-size:20px;font-weight:600;line-height:1.6}.article-content h3{margin:20px 0 12px;color:#1a1a1a;font-size:18px;font-weight:600;line-height:1.6}.article-content blockquote{margin:10px 0;padding:10px;border-left:8px solid #d0e5f2;background:#f1f1f1}.article-content a{color:#257bfb;text-decoration:none}.article-content a:hover{text-decoration:underline}.article-content ul,.article-content ol{padding-left:20px}.article-content li{white-space:pre-wrap}.article-content code{padding:3px;border-radius:3px;background:#eee;font-family:monospace}.article-content pre>code{display:block;padding:10px}.article-content table{border-collapse:collapse}.article-content table th,.article-content table td{min-width:50px;height:20px;border:1px solid #ccc}.article-content table th{background:#f1f1f1}.keywords-section{margin-top:20px;padding-left:12px;color:#1a1a1a;font-size:14px;line-height:22px}.keywords-section-text{margin-left:8px;color:#848484}.disclaimer{margin-top:20px;color:#848484;font-size:14px;line-height:1.625}.sidebar-section{background:#fff}.sidebar-title{margin:0;color:#1a1a1a;font-size:16px;font-weight:700}.related-list{margin-top:10px;list-style:none}.related-item{display:flex;align-items:flex-start;gap:8px;padding:10px 0;border-bottom:1px dashed #f0f0f0}.related-num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;color:#888b94;background:#dfe0e4;font-size:14px;flex-shrink:0}.related-item:nth-child(1) .related-num{color:#fff;background:#fa3e3e}.related-item:nth-child(2) .related-num{color:#fff;background:#fe642d}.related-item:nth-child(3) .related-num{color:#fff;background:#faad14}.related-item a{color:#1a1a1a;font-size:14px;line-height:20px;text-decoration:none;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-all}.related-item a:hover{color:#fa3e3e}.latest-section{margin-top:20px}.section-heading{margin:0 0 20px;color:#1a1a1a;font-size:16px;font-weight:700}.latest-grid{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:16px}.latest-col{display:flex;min-width:0;flex-direction:column;gap:16px}.latest-item{display:block;overflow:hidden;color:#1a1a1a;font-size:14px;font-weight:400;line-height:20px;text-decoration:none;text-overflow:ellipsis;white-space:nowrap}.latest-item:hover{color:#fa3e3e}.latest-dot{display:none}.back-link{display:flex;justify-content:center;gap:12px;margin-top:0}.back-link a{display:inline-block;padding:4px 14px;border:1px solid #888b94;border-radius:9999px;background:#fff;color:#1a1a1a;font-size:14px;line-height:20px;text-decoration:none;transition:color .2s,border-color .2s}.back-link a:hover{color:#257bfb;border-color:#257bfb;background:#fff}.back-link a.secondary{background:#fff;color:#1a1a1a;border-color:#888b94}.back-link a.secondary:hover{color:#257bfb;border-color:#257bfb;background:#fff}.removed-page{min-height:420px;display:flex;align-items:center;justify-content:center;text-align:center}.removed-title{margin-bottom:12px;font-size:24px;font-weight:500}.removed-text{margin-bottom:24px;color:#848484;font-size:14px}.removed-link{display:inline-block;padding:6px 18px;border:1px solid #888b94;border-radius:999px;color:#1a1a1a;text-decoration:none}.removed-link:hover{color:#257bfb;border-color:#257bfb}@media screen and (max-width:1600px){.breadcrumb-bar,.body-container{max-width:1180px}}@media(max-width:1024px){.site-header{min-width:100%!important}.header-inner{min-width:100%!important}}@media(max-width:768px){.site-header{min-width:100%!important;height:56px}.header-inner{min-width:100%!important;height:56px;padding:0 12px}.header-logo-container{overflow:hidden;min-width:0}.header-brand{flex-shrink:1;min-width:0;padding:0 4px}.header-logo{height:34px;max-width:180px;object-fit:contain}.header-nav{display:none}.header-actions{margin-left:8px;gap:6px;flex-shrink:0}.header-btn-login,.header-btn-register{width:48px;height:28px;font-size:12px;padding:0}.breadcrumb-bar{width:calc(100% - 32px);margin:12px 16px;padding:12px 16px}.breadcrumb-inner{font-size:13px;line-height:20px}.breadcrumb-current{max-width:200px}.body-container{padding:12px 16px 20px}.page-wrapper{flex-direction:column;gap:20px}h1{font-size:20px;line-height:1.5;margin-bottom:8px}.article-meta{font-size:11px;gap:6px;margin-bottom:8px;padding-bottom:8px}.article-type-tag{font-size:11px;padding:2px 6px}.article-content{font-size:16px;line-height:1.8;margin:16px 0 24px;padding:0}.article-content p{margin-bottom:16px;font-size:16px}.article-content h2{font-size:18px;margin:20px 0 12px}.article-content h3{font-size:16px;margin:16px 0 10px}.article-content blockquote{padding:8px;margin:8px 0}.article-content table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}.article-content ul,.article-content ol{padding-left:16px}.keywords-section{font-size:13px;margin-top:16px}.disclaimer{font-size:13px;margin-top:16px;line-height:1.6}.back-link{margin-top:16px}.back-link a{padding:4px 12px;font-size:13px}.sidebar{width:100%}.sidebar-title{font-size:15px}.related-item a{font-size:13px}.section-heading{font-size:15px;margin-bottom:16px}.latest-section{margin-top:16px}.latest-grid{grid-template-columns:1fr;gap:12px}.latest-col{gap:10px}.latest-item{font-size:13px;line-height:20px}.site-footer{padding:0 0 20px;margin-top:24px}.footer-inner{padding:0 16px}.footer-main{flex-direction:column;padding:32px 0 20px;gap:24px}.footer-col-title{font-size:16px;margin-bottom:14px}.footer-link-item{font-size:13px;margin-bottom:10px}.footer-contact-item{font-size:13px;margin-bottom:10px}.footer-qr-title{font-size:16px;margin-bottom:14px}.footer-qr-img{width:100px;height:100px}.footer-copyright{font-size:12px;padding:0 8px;line-height:1.6}.removed-page{min-height:300px;padding:0 16px}.removed-title{font-size:20px}.removed-text{font-size:13px}}@media(max-width:480px){.header-brand{padding:0 2px}.header-logo{height:47px;max-width:250px;margin-left:-20px}.header-btn-login,.header-btn-register{width:44px;height:26px;font-size:11px}.breadcrumb-bar{margin:10px 16px;padding:10px 16px}.breadcrumb-current{max-width:140px}h1{font-size:18px}.article-content{font-size:15px}.article-content p{font-size:15px}.article-content h2{font-size:17px}.article-content h3{font-size:15px}.back-link a{padding:4px 10px;font-size:12px}.footer-qr-img{width:90px;height:90px}.footer-copyright{font-size:11px}.removed-title{font-size:18px}.removed-text{font-size:12px}}