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.breadcrumb{display:flex;gap:8px;align-items:center;color:#9ca3af;font-size:13px;margin-bottom:22px;flex-wrap:wrap}.breadcrumb a:hover{color:#4f46e5}.breadcrumb span{color:#d1d5db}
.back-list{display:inline-block;margin-bottom:20px;color:#4f46e5;font-size:14px;font-weight:600}.back-list:hover{color:#06b6d4}
.article-wrap{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}.article{background:#fff;border-radius:20px;padding:46px;box-shadow:0 4px 24px rgba(15,23,42,.06)}.article h1{font-size:30px;line-height:1.5;margin-bottom:18px;color:#111827}.article-meta{display:flex;gap:16px;color:#9ca3af;font-size:13px;margin-bottom:26px;flex-wrap:wrap;align-items:center}.article-meta .acat{color:#4f46e5;background:#eef2ff;padding:2px 12px;border-radius:999px;font-weight:600}.article .cover{border-radius:14px;overflow:hidden;margin-bottom:30px;background:#eef2f7}.article .cover img{width:100%}.article h2{font-size:22px;margin:36px 0 16px;color:#111827;padding-left:14px;border-left:4px solid #4f46e5;line-height:1.5}.article h2:nth-of-type(2){border-left-color:#06b6d4}.article h2:nth-of-type(3){border-left-color:#8b5cf6}.article p{color:#4b5563;font-size:15px;line-height:2.05;margin-bottom:20px}.article .body-img{border-radius:14px;overflow:hidden;margin:28px 0;background:#eef2f7}.article blockquote{background:#f6f8fc;border-left:4px solid #06b6d4;padding:18px 24px;border-radius:0 12px 12px 0;margin:24px 0;color:#374151;font-size:15px;line-height:1.9}.article blockquote b{color:#4f46e5}.data-box{background:linear-gradient(135deg,#eef2ff,#ecfeff);border-radius:14px;padding:24px;margin:26px 0}.data-box h3{color:#4f46e5;font-size:15px;margin-bottom:14px}.data-box ul{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.data-box li{font-size:14px;color:#374151;line-height:1.7}.data-box li b{color:#111827;font-size:16px}.article-end{background:#f6f8fc;border-radius:12px;padding:22px;margin-top:32px;font-size:14px;color:#4b5563;line-height:1.9}.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;flex-wrap:wrap}.art-prev,.art-next{background:#fff;border:1px solid #eef2f7;border-radius:12px;padding:14px 20px;transition:.2s;flex:1;min-width:200px;display:block}.art-prev:hover,.art-next:hover{border-color:#c7d2fe}.art-next{text-align:right}.art-label{color:#9ca3af;font-size:12px;margin-bottom:4px}.art-prev .art-title,.art-next .art-title{color:#374151;font-size:14px;font-weight:600}.art-prev:hover .art-title,.art-next:hover .art-title{color:#4f46e5}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:22px}.side-card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 20px rgba(15,23,42,.06)}.side-card h3{font-size:15px;padding-left:12px;border-left:4px solid #4f46e5;margin-bottom:18px;color:#111827;line-height:1.5}.toc{position:relative;padding-left:20px}.toc::before{content:'';position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:#e5e7eb}.toc a{display:block;padding:7px 0;color:#6b7280;font-size:13px;line-height:1.55;transition:.2s;position:relative}.toc a::before{content:'';position:absolute;left:-18.5px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:#d1d5db;border:2px solid #fff;transition:.2s}.toc a.active{color:#4f46e5;font-weight:700}.toc a.active::before{background:#4f46e5;transform:translateY(-50%) scale(1.35)}.rank-list{display:flex;flex-direction:column;gap:14px}.rank-item{display:flex;gap:12px;align-items:flex-start}.rank-badge{min-width:26px;height:26px;border-radius:8px;background:#e5e7eb;color:#6b7280;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .2s;flex-shrink:0}.rank-item:nth-child(1) .rank-badge{background:linear-gradient(135deg,#4f46e5,#06b6d4);color:#fff}.rank-item:nth-child(2) .rank-badge{background:linear-gradient(135deg,#f97316,#fbbf24);color:#fff}.rank-item:nth-child(3) .rank-badge{background:linear-gradient(135deg,#d946ef,#f0abfc);color:#fff}.rank-item a{font-size:13px;color:#4b5563;line-height:1.55;transition:.2s}.rank-item:hover .rank-badge{transform:scale(1.12)}.rank-item:hover a{color:#4f46e5}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-pill{border:1px solid #e5e7eb;color:#6b7280;font-size:12px;padding:5px 14px;border-radius:999px;transition:.2s}.tag-pill:hover{color:#4f46e5;border-color:#4f46e5}
.cmt-wrap{margin-top:40px;border-top:1px solid #eef2f7;padding-top:34px}.cmt-wrap>h2{font-size:20px;margin-bottom:22px;color:#111827;padding-left:14px;border-left:4px solid #4f46e5}.cmt-list{display:flex;flex-direction:column;gap:16px}.cmt{display:flex;gap:14px}.cmt-ava{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#06b6d4);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px}.cmt-body{flex:1;background:#f8fafc;border-radius:12px;padding:14px 20px}.cmt-head{display:flex;justify-content:space-between;margin-bottom:6px;font-size:13px;gap:10px;flex-wrap:wrap}.cmt-name{font-weight:700;color:#111827}.cmt-date{color:#9ca3af}.cmt-body p{color:#4b5563;font-size:14px;line-height:1.85;margin:0}
.rel-wrap{margin-top:44px;border-top:1px solid #eef2f7;padding-top:34px}.rel-wrap>h2{font-size:20px;margin-bottom:22px;color:#111827;padding-left:14px;border-left:4px solid #4f46e5}.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sm-wrap{background:#fff;border-radius:20px;padding:46px;box-shadow:0 4px 24px rgba(15,23,42,.06)}.sm-group{margin-bottom:34px}.sm-group h2{font-size:18px;margin-bottom:16px;padding-left:12px;border-left:4px solid #4f46e5;color:#111827}.sm-group ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.sm-group a{display:flex;gap:8px;align-items:center;color:#4b5563;font-size:14px;padding:11px 16px;background:#f8fafc;border-radius:10px;transition:.2s;line-height:1.5}.sm-group a:hover{color:#4f46e5;background:#eef2ff}.sm-group a .ic{color:#4f46e5}
.err-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(900px 500px at 50% 0%,rgba(79,70,229,.4),transparent 65%),#0b1220;color:#fff;text-align:center;padding:24px}.err-code{font-size:120px;font-weight:800;line-height:1;background:linear-gradient(135deg,#818cf8,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}.err-wrap h1{font-size:24px;margin:18px 0 14px}.err-wrap p{color:#94a3b8;margin-bottom:30px;font-size:15px}.countdown{color:#67e8f9;font-weight:800;font-size:18px}.err-wrap .btn-primary{margin-top:26px}
@media(max-width:992px){.hamburger{display:flex}.nav-menu{position:fixed;top:66px;left:0;right:0;background:#0b1220;flex-direction:column;align-items:stretch;gap:0;display:none;max-height:calc(100vh - 66px);overflow-y:auto;padding:14px 20px 26px;border-top:1px solid rgba(255,255,255,.08)}.nav.open .nav-menu{display:flex}.nav-link{padding:13px 10px;font-size:15px;justify-content:space-between}.nav-item:hover>.nav-link .arrow{transform:none}.nav-item.open-drop>.nav-link .arrow{transform:rotate(180deg)}.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;min-width:0;border-radius:10px;display:none;padding:6px;margin:2px 0 8px}.nav-item.open-drop .dropdown{display:block}.dropdown a{color:#cbd5e1;padding:11px 16px}.dropdown a:hover{background:rgba(255,255,255,.08);color:#fff}.btn-nav{display:inline-block;margin:14px 0 0;text-align:center}.hero{padding:130px 0 76px}.hero-grid,.dl-grid{grid-template-columns:1fr;gap:40px}.hero h1{font-size:38px}.hero-sub{max-width:100%}.feat-grid{grid-template-columns:repeat(2,1fr)}.sc-grid{grid-template-columns:repeat(2,1fr)}.nodes-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.tm-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}.price-card.hot{transform:none}.ver-grid{grid-template-columns:repeat(2,1fr)}.req-grid{grid-template-columns:repeat(2,1fr)}.steps4-grid{grid-template-columns:repeat(2,1fr)}.news-list-grid{grid-template-columns:1fr}.article-wrap{grid-template-columns:1fr}.sidebar{position:static;flex-direction:column}.rel-grid{grid-template-columns:repeat(2,1fr)}.sm-group ul{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.article{padding:32px 26px}.page-hero h1{font-size:32px}}
@media(max-width:768px){.hero h1{font-size:30px}.sec-head h2{font-size:27px}.section{padding:64px 0}.feat-grid,.sc-grid,.nodes-grid,.tm-grid,.news-grid,.ver-grid,.req-grid,.steps4-grid,.proto-grid,.steps-grid,.rel-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 16px}.stat-num{font-size:32px}.article h1{font-size:24px}.article h2{font-size:19px}.sm-group ul{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.demo{padding:20px 16px}.gauge-wrap{width:210px}.err-code{font-size:88px}}
@media(max-width:480px){.container{padding:0 18px}.hero{padding:118px 0 60px}.hero h1{font-size:26px}.hero-sub{font-size:15px}.hero-btns{flex-direction:column}.btn-primary,.btn-ghost{text-align:center;width:100%}.hero-stats{gap:26px}.hero-stat .num{font-size:24px}.sec-head h2{font-size:24px}.stats-grid{grid-template-columns:1fr}.news-grid{grid-template-columns:1fr}.article{padding:24px 18px}.data-box ul{grid-template-columns:1fr}.article-nav{flex-direction:column}.price-card{padding:28px 22px}.cta{padding:44px 22px}.cta h2{font-size:25px}.page-hero h1{font-size:26px}.demo-toggles{gap:12px}.demo-meta{gap:16px}}