*,*::before,*::after{box-sizing:border-box;}
    html{width:100%;overflow-x:hidden;}
    body{
      width:100%;
      margin:0;
      overflow-x:hidden;
      background:#F5F7FB;
      color:#101828;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    }
    img,video,iframe,embed{max-width:100%;height:auto;}
    a{text-decoration:none;transition:all 0.25s ease;}

    :root {
      --primary: rgb(30,64,175);
      --accent-lime: #A3E635;
      --bg-navy: #08111F;
      --text-main: #101828;
      --text-muted: #64748B;
      --border-light: rgba(15,23,42,.08);
      --shadow-premium: 0 24px 70px rgba(15,23,42,.12);
    }

    
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      width:100%;
      background:rgba(255,255,255,.68);
      backdrop-filter:blur(20px) saturate(155%);
      border-bottom:1px solid rgba(15,23,42,.08);
      box-shadow:0 14px 42px rgba(15,23,42,.06);
    }
    .header-inner{
      width:min(1200px, calc(100% - 32px));
      min-height:76px;
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      max-width:100%;
      text-decoration:none;
      flex-shrink:0;
    }
    .logo img{
      display:block;
      height:40px;
      width:auto;
      max-width:150px;
      object-fit:contain;
      flex-shrink:0;
    }
    .logo span{
      display:inline-block;
      font-size:18px;
      font-weight:900;
      line-height:1.2;
      color:#101828;
      white-space:nowrap;
      max-width:190px;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .desktop-nav-wrap{
      flex:1 1 auto;
      min-width:0;
      display:flex;
      justify-content:flex-end;
      overflow:hidden;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      max-width:100%;
      overflow-x:auto;
      overflow-y:hidden;
      -webkit-overflow-scrolling:touch;
      scrollbar-width:none;
      white-space:nowrap;
    }
    .desktop-nav::-webkit-scrollbar{display:none;}
    .desktop-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      color:#475467;
      text-decoration:none;
      font-size:14px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
      flex:0 0 auto;
      border:1px solid transparent;
    }
    .desktop-nav a:hover{
      color:#101828;
      background:rgba(163,230,53,.22);
      border-color:rgba(37,99,235,.14);
      box-shadow:0 8px 24px rgba(37,99,235,.08);
    }
    .mobile-menu-btn{
      display:none;
      width:46px;
      height:46px;
      border:1px solid rgba(15,23,42,.10);
      border-radius:16px;
      background:rgba(255,255,255,.70);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      cursor:pointer;
      flex:0 0 auto;
      box-shadow:0 10px 24px rgba(15,23,42,.08);
    }
    .mobile-menu-btn span{
      display:block;
      width:20px;
      height:2px;
      border-radius:999px;
      background:#101828;
    }
    .mobile-nav-mask{
      position:fixed;
      inset:0;
      z-index:1100;
      background:rgba(8,17,31,.48);
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transition:opacity .25s ease, visibility .25s ease;
    }
    .mobile-drawer{
      position:fixed;
      top:0;
      left:0;
      z-index:1110;
      width:min(86vw, 360px);
      height:100vh;
      height:100dvh;
      max-width:90vw;
      background:linear-gradient(180deg,#08111F 0%,#0F172A 100%);
      color:#F8FAFC;
      transform:translateX(-105%);
      transition:transform .28s ease;
      box-shadow:24px 0 60px rgba(0,0,0,.32);
      display:flex;
      flex-direction:column;
      overflow:hidden;
    }
    .drawer-head{
      min-height:76px;
      padding:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border-bottom:1px solid rgba(255,255,255,.12);
      flex:0 0 auto;
    }
    .drawer-logo img{height:34px;max-width:120px;}
    .drawer-logo span{font-size:16px;max-width:145px;color:#F8FAFC;}
    .drawer-close{
      width:40px;
      height:40px;
      border:0;
      border-radius:14px;
      background:rgba(255,255,255,.10);
      color:#F8FAFC;
      font-size:26px;
      line-height:1;
      cursor:pointer;
      flex:0 0 auto;
    }
    .drawer-body{
      flex:1 1 auto;
      min-height:0;
      overflow-y:auto;
      overflow-x:hidden;
      -webkit-overflow-scrolling:touch;
      padding:14px;
    }
    .drawer-nav{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .drawer-nav a{
      display:flex;
      align-items:center;
      width:100%;
      min-height:48px;
      padding:13px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:#F8FAFC;
      text-decoration:none;
      font-size:15px;
      font-weight:800;
      line-height:1.35;
      white-space:normal;
      word-break:break-word;
      overflow-wrap:anywhere;
      border:1px solid rgba(255,255,255,.10);
    }
    .drawer-nav a:hover{
      background:rgba(163,230,53,.16);
    }
    body.drawer-open{overflow:hidden;touch-action:none;}
    body.drawer-open .mobile-nav-mask{opacity:1;visibility:visible;pointer-events:auto;}
    body.drawer-open .mobile-drawer{transform:translateX(0);}
    @media (max-width:900px){
      .header-inner{width:min(100% - 24px, 1200px);min-height:68px;gap:12px;}
      .desktop-nav-wrap,.desktop-nav{display:none !important;}
      .mobile-menu-btn{display:inline-flex !important;}
      .logo img{height:34px;max-width:118px;}
      .logo span{font-size:16px;max-width:145px;}
    }
    @media (max-width:420px){
      .mobile-drawer{width:88vw;}
      .logo span{max-width:118px;}
    }

    
    .article-hero {
      background: var(--bg-navy);
      color: #fff;
      padding: 60px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .article-hero-container {
      width: min(900px, calc(100% - 32px));
      margin: 0 auto;
    }
    .breadcrumbs {
      font-size: 13px;
      color: rgba(255,255,255,0.6);
      margin-bottom: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
    }
    .breadcrumbs a { color: rgba(255,255,255,0.8); }
    .breadcrumbs a:hover { color: var(--accent-lime); }
    .article-meta {
      display: flex;
      gap: 16px;
      font-size: 12px;
      font-weight: 700;
      color: rgba(255,255,255,0.6);
      margin-bottom: 20px;
    }
    .article-hero h1 {
      font-size: clamp(24px, 5vw, 40px);
      font-weight: 900;
      line-height: 1.25;
      margin: 0 0 16px;
    }
    .article-hero p.summary {
      font-size: 16px;
      line-height: 1.6;
      color: rgba(255,255,255,0.7);
      margin: 0;
    }

    
    .article-main {
      width: min(900px, calc(100% - 32px));
      margin: 60px auto;
    }
    .cover-wrap {
      border-radius: 24px;
      overflow: hidden;
      margin-bottom: 40px;
      box-shadow: var(--shadow-premium);
      background: var(--bg-navy);
    }
    .cover-wrap img {
      width: 100%;
      height: auto;
      display: block;
    }

    
    .article-content,
    .article-content * {
      box-sizing: border-box;
      max-width: 100%;
    }
    .article-content {
      color: #1F2937 !important;
      overflow-x: hidden;
      overflow-wrap: break-word;
      word-break: break-word;
      font-size: 16px;
      line-height: 1.8;
    }
    .article-content p,
    .article-content li,
    .article-content span,
    .article-content div {
      color: #1F2937 !important;
      overflow-wrap: break-word;
      word-break: break-word;
    }
    .article-content h1,
    .article-content h2,
    .article-content h3,
    .article-content h4,
    .article-content h5,
    .article-content h6 {
      color: #101828 !important;
      overflow-wrap: break-word;
      word-break: break-word;
      margin-top: 32px;
      margin-bottom: 16px;
    }
    .article-content a {
      color: #2563EB !important;
    }
    .article-content img,
    .article-content figure img,
    .article-content video,
    .article-content iframe,
    .article-content embed {
      width: 100% !important;
      max-width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    .article-content figure {
      width: 100% !important;
      max-width: 100% !important;
      overflow: hidden !important;
      margin-left: 0 !important;
      margin-right: 0 !important;
    }
    .article-content table {
      width: 100% !important;
      max-width: 100% !important;
      display: block;
      overflow-x: auto;
      border-collapse: collapse;
      background: #FFFFFF !important;
      color: #1F2937 !important;
      margin: 24px 0;
    }
    .article-content thead,
    .article-content tbody,
    .article-content tr,
    .article-content th,
    .article-content td {
      background: #FFFFFF !important;
      color: #1F2937 !important;
      border-color: rgba(15,23,42,.12) !important;
    }
    .article-content th {
      background: rgba(37,99,235,.08) !important;
      color: #101828 !important;
      padding: 12px 16px;
    }
    .article-content td {
      padding: 12px 16px;
      border: 1px solid rgba(15,23,42,.12);
    }
    .article-content th *,
    .article-content td * {
      color: #1F2937 !important;
    }
    .article-content pre,
    .article-content code {
      max-width: 100%;
      overflow-x: auto;
      white-space: pre-wrap;
      word-break: break-word;
      background: #08111F !important;
      color: #F8FAFC !important;
    }
    .article-content pre {
      padding: 16px;
      border-radius: 12px;
      margin: 24px 0;
    }
    .article-content details,
    .article-content summary,
    .article-content details *,
    .article-content .faq,
    .article-content .faq *,
    .article-content .faq-item,
    .article-content .faq-item *,
    .article-content .faq-answer,
    .article-content .faq-answer *,
    .article-content .accordion,
    .article-content .accordion *,
    .article-content .accordion-item,
    .article-content .accordion-item *,
    .article-content .accordion-body,
    .article-content .accordion-body *,
    .article-content .accordion-content,
    .article-content .accordion-content *,
    .article-content [class*="faq"],
    .article-content [class*="faq"] *,
    .article-content [class*="accordion"],
    .article-content [class*="accordion"] * {
      background: #FFFFFF !important;
      color: #1F2937 !important;
      border-color: rgba(37,99,235,.18) !important;
    }
    .article-content details,
    .article-content .faq-item,
    .article-content .accordion-item {
      border: 1px solid rgba(37,99,235,.18) !important;
      border-radius: 18px !important;
      overflow: hidden !important;
      margin: 14px 0 !important;
    }
    .article-content summary,
    .article-content .faq-question,
    .article-content .accordion-header,
    .article-content .accordion-button {
      background: rgba(37,99,235,.08) !important;
      color: #101828 !important;
      padding: 16px 18px !important;
      cursor: pointer;
    }
    .article-content .faq-answer,
    .article-content .accordion-body,
    .article-content .accordion-content,
    .article-content details > div,
    .article-content details > p {
      background: #FFFFFF !important;
      color: #1F2937 !important;
      padding: 18px !important;
    }
    .article-content blockquote,
    .article-content .note,
    .article-content .tips,
    .article-content .warning,
    .article-content .pro-tip,
    .article-content .tip,
    .article-content .callout,
    .article-content .notice,
    .article-content [class*="tip"],
    .article-content [class*="note"],
    .article-content [class*="callout"],
    .article-content [class*="highlight"],
    .article-content [class*="box"],
    .article-content [class*="card"] {
      background: #FFFFFF !important;
      color: #1F2937 !important;
      border: 1px solid rgba(37,99,235,.18) !important;
      border-left: 4px solid #2563EB !important;
      border-radius: 20px !important;
      padding: 18px !important;
      box-shadow: 0 10px 30px rgba(15,23,42,.06);
    }
    .article-content blockquote *,
    .article-content .note *,
    .article-content .tips *,
    .article-content .warning *,
    .article-content .pro-tip *,
    .article-content .tip *,
    .article-content .callout *,
    .article-content .notice *,
    .article-content [class*="tip"] *,
    .article-content [class*="note"] *,
    .article-content [class*="callout"] *,
    .article-content [class*="highlight"] *,
    .article-content [class*="box"] *,
    .article-content [class*="card"] * {
      color: #1F2937 !important;
    }
    .article-content [style*="color:#fff"],
    .article-content [style*="color: #fff"],
    .article-content [style*="color:#ffffff"],
    .article-content [style*="color: #ffffff"],
    .article-content [style*="color:white"],
    .article-content [style*="color: white"] {
      color: #1F2937 !important;
    }

    
    .post-nav {
      margin-top: 60px;
      border-top: 1px solid var(--border-light);
      padding-top: 32px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    @media (min-width: 640px) {
      .post-nav { flex-direction: row; justify-content: space-between; }
    }
    .post-nav-link {
      flex: 1;
      background: #fff;
      padding: 20px;
      border-radius: 14px;
      border: 1px solid var(--border-light);
    }
    .post-nav-link.next { text-align: right; }
    .post-nav-label { font-size: 11px; font-weight: 800; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; }
    .post-nav-title { font-size: 14px; font-weight: 700; color: var(--text-main); }

    
    .article-tags {
      margin-top: 40px;
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .article-tag-item {
      font-size: 12px;
      font-weight: 700;
      padding: 6px 14px;
      background: #fff;
      border: 1px solid var(--border-light);
      color: var(--primary);
      border-radius: 8px;
    }

    
    .related-section {
      margin-top: 80px;
      border-top: 1px solid var(--border-light);
      padding-top: 60px;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 24px;
    }
    .related-card {
      background: #fff;
      border-radius: 14px;
      border: 1px solid var(--border-light);
      padding: 20px;
    }
    .related-title { font-size: 15px; font-weight: 800; margin: 0 0 8px; color: var(--text-main); }
    .related-desc { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.5; }

    
    .site-footer{
      position:relative;
      width:100%;
      background:linear-gradient(180deg,#08111F 0%,#0F172A 100%);
      color:#F8FAFC;
      padding:60px 0 24px;
      overflow:hidden;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .site-footer .logo span{color:#F8FAFC;}
    .footer-inner{
      width:min(1200px, calc(100% - 32px));
      margin:0 auto;
      display:grid;
      grid-template-columns:minmax(260px,1.35fr) repeat(3,minmax(150px,1fr));
      gap:28px;
      align-items:start;
    }
    .footer-brand,.footer-column{min-width:0;}
    .footer-brand p{
      margin:16px 0 0;
      color:rgba(248,250,252,.74);
      line-height:1.8;
      font-size:14px;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    .footer-column h3{
      margin:0 0 14px;
      font-size:15px;
      color:#fff;
    }
    .footer-column ul{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-column a,.footer-column span{
      display:inline;
      color:rgba(248,250,252,.74);
      text-decoration:none;
      font-size:14px;
      line-height:1.55;
      white-space:normal;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    .footer-column a:hover{color:#fff;}
    .footer-bottom{
      width:min(1200px, calc(100% - 32px));
      margin:32px auto 0;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:rgba(248,250,252,.58);
      font-size:13px;
    }
    .footer-bottom p{
      margin:0;
      min-width:0;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    .footer-bottom a{
      color:rgba(248,250,252,.74);
      text-decoration:none;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    @media (max-width:900px){
      .footer-inner{grid-template-columns:1fr 1fr;gap:24px;}
      .footer-brand{grid-column:1 / -1;}
      .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    }
    @media (max-width:640px){
      .footer-inner{grid-template-columns:1fr;}
      .footer-inner,.footer-bottom{width:min(100% - 24px, 1200px);}
    }