:root {
      --primary-color: #FF6B2C;
      --primary-hover: #e05315;
      --secondary-color: #00BFA6;
      --bg-mist: #EAF7F6;
      --bg-lake: #F3FBFF;
      --bg-sand: #FFF8ED;
      --text-petroleum: #062B3A;
      --text-midnight: #071923;
      --accent-yellow: #FFE8A3;
      --card-border: rgba(185,216,218,0.4);
      --gray-base: rgb(156,163,175);
    }

    *,*::before,*::after{box-sizing:border-box;}
    html{width:100%;overflow-x:hidden;}
    body{width:100%;margin:0;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background-color:#EAF7F6;color:#062B3A;}
    img{max-width:100%;height:auto;}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      width:100%;
      background:rgba(234,247,246,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(6,43,58,.12);
    }

    .header-inner{
      width:min(1200px, calc(100% - 32px));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:72px;
    }

    .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:800;
      line-height:1.2;
      color:#062B3A;
      white-space:nowrap;
      max-width:180px;
      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 13px;
      border-radius:999px;
      color:rgba(6,43,58,.72);
      text-decoration:none;
      font-size:14px;
      font-weight:700;
      line-height:1;
      white-space:nowrap;
      flex:0 0 auto;
    }

    .desktop-nav a:hover{
      color:#062B3A;
      background:rgba(0,191,166,.12);
    }

    .mobile-menu-btn{
      display:none;
      width:44px;
      height:44px;
      border:0;
      border-radius:14px;
      background:rgba(6,43,58,.08);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      cursor:pointer;
      flex:0 0 auto;
    }

    .mobile-menu-btn span{
      display:block;
      width:20px;
      height:2px;
      border-radius:99px;
      background:#062B3A;
    }

    .mobile-nav-mask{
      position:fixed;
      inset:0;
      z-index:1100;
      background:rgba(7,25,35,.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:#EAF7F6;
      color:#062B3A;
      transform:translateX(-105%);
      transition:transform .28s ease;
      box-shadow:24px 0 60px rgba(0,0,0,.42);
      display:flex;
      flex-direction:column;
      overflow:hidden;
    }

    .drawer-head{
      min-height:76px;
      padding:16px 16px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border-bottom:1px solid rgba(6,43,58,.12);
      flex:0 0 auto;
    }

    .drawer-logo{min-width:0;}
    .drawer-logo img{height:34px;max-width:120px;}
    .drawer-logo span{font-size:16px;max-width:145px;}

    .drawer-close{
      width:40px;
      height:40px;
      border:0;
      border-radius:14px;
      background:rgba(6,43,58,.08);
      color:#062B3A;
      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(148,163,184,.10);
      color:#062B3A;
      text-decoration:none;
      font-size:15px;
      font-weight:700;
      line-height:1.35;
      white-space:normal;
      word-break:break-word;
      overflow-wrap:anywhere;
      border:1px solid rgba(148,163,184,.14);
    }

    .drawer-nav a:hover{
      background:rgba(255,107,44,.16);
      color:#062B3A;
    }

    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);}

    
    .article-wrap {
      width: min(1200px, calc(100% - 32px));
      margin: 56px auto 96px auto;
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 40px;
    }

    .article-main-body {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: 24px;
      padding: 48px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      color: rgba(6, 43, 58, 0.6);
      margin-bottom: 24px;
    }

    .breadcrumb a {
      color: var(--primary-color);
      text-decoration: none;
    }

    .art-title {
      font-size: clamp(24px, 4vw, 36px);
      font-weight: 900;
      line-height: 1.3;
      color: #062B3A;
      margin: 0 0 20px 0;
    }

    .art-meta-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 13px;
      color: rgba(6, 43, 58, 0.6);
      font-weight: 700;
      border-bottom: 1px solid rgba(6, 43, 58, 0.08);
      padding-bottom: 24px;
      margin-bottom: 32px;
    }

    .art-meta-bar span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .art-content {
      font-size: 16px;
      line-height: 1.8;
      color: rgba(6, 43, 58, 0.85);
    }

    .art-content p {
      margin: 0 0 24px 0;
    }

    .art-content img {
      border-radius: 16px;
      margin: 16px 0 32px 0;
      box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    }

    .art-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(6, 43, 58, 0.08);
    }

    .art-tag-btn {
      font-size: 12px;
      font-weight: 700;
      background: var(--bg-mist);
      color: #00BFA6;
      padding: 6px 14px;
      border-radius: 8px;
      text-decoration: none;
    }

    
    .art-nav-row {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: 48px;
      padding-top: 32px;
      border-top: 1px solid rgba(6, 43, 58, 0.08);
    }

    .art-nav-box {
      flex: 1;
      display: flex;
      flex-direction: column;
      text-decoration: none;
      color: #062B3A;
      max-width: 50%;
    }

    .art-nav-box span {
      font-size: 11px;
      font-weight: 700;
      color: rgba(6, 43, 58, 0.5);
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .art-nav-box h4 {
      font-size: 14px;
      font-weight: 800;
      line-height: 1.4;
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .art-nav-box:hover h4 {
      color: var(--primary-color);
    }

    
    .related-section {
      margin-top: 56px;
    }

    .related-title {
      font-size: 20px;
      font-weight: 800;
      color: #062B3A;
      margin-bottom: 24px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .related-card {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: 16px;
      padding: 20px;
      display: flex;
      gap: 16px;
      text-decoration: none;
    }

    .related-card img {
      width: 80px;
      height: 60px;
      object-fit: cover;
      border-radius: 8px;
      background: var(--bg-mist);
    }

    .related-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .related-info h4 {
      font-size: 14px;
      font-weight: 800;
      color: #062B3A;
      margin: 0 0 4px 0;
      line-height: 1.4;
    }

    .related-info span {
      font-size: 11px;
      color: rgba(6, 43, 58, 0.5);
    }

    
    .list-sidebar {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .sidebar-widget {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: 20px;
      padding: 24px;
    }

    .sidebar-title {
      font-size: 16px;
      font-weight: 800;
      color: #062B3A;
      border-left: 4px solid var(--primary-color);
      padding-left: 12px;
      margin: 0 0 18px 0;
    }

    .sidebar-post-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .sidebar-post-item {
      display: flex;
      gap: 12px;
      text-decoration: none;
    }

    .sidebar-post-item img {
      width: 72px;
      height: 54px;
      object-fit: cover;
      border-radius: 6px;
      background: var(--bg-mist);
    }

    .sidebar-post-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .sidebar-post-info h4 {
      font-size: 13px;
      font-weight: 700;
      line-height: 1.4;
      color: #062B3A;
      margin: 0 0 4px 0;
    }

    .sidebar-post-info span {
      font-size: 11px;
      color: rgba(6, 43, 58, 0.5);
    }

    
    .site-footer{
      position:relative;
      z-index:1;
      width:100%;
      background:#062B3A;
      color:#EAF7F6;
      padding:56px 0 24px;
      overflow:hidden;
    }

    .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{min-width:0;}
    .footer-brand p{
      margin:16px 0 0;
      color:rgba(226,232,240,.78);
      line-height:1.8;
      font-size:14px;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    .footer-logo span{color:#EAF7F6 !important;}
    .footer-column{min-width:0;}
    .footer-column h3{margin:0 0 14px;font-size:15px;color:#00BFA6;}
    .footer-column ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
    .footer-column li{min-width:0;}
    .footer-column a,.footer-column span{
      display:inline;
      color:rgba(226,232,240,.78);
      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:#00BFA6;}
    .footer-bottom{
      width:min(1200px, calc(100% - 32px));
      margin:32px auto 0;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:rgba(226,232,240,.62);
      font-size:13px;
    }
    .footer-bottom p{margin:0;min-width:0;word-break:break-word;overflow-wrap:anywhere;}
    .footer-bottom a{color:rgba(226,232,240,.78);text-decoration:none;word-break:break-word;overflow-wrap:anywhere;}

    @media (max-width: 900px){
      .header-inner{width:min(100% - 24px, 1200px);min-height:64px;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;}
      .article-wrap { grid-template-columns: 1fr; gap: 32px; }
      .article-main-body { padding: 24px; }
      .related-grid { grid-template-columns: 1fr; }
      .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;}
    }

    @media (max-width: 420px){
      .mobile-drawer{width:88vw;}
      .logo span{max-width:112px;}
      .drawer-logo span{max-width:118px;}
      .footer-inner,.footer-bottom{width:min(100% - 24px, 1200px);}
    }