:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#072c69;
      --theme-soft:#eaf1fc;
      --amber:#d59b33;
      --sand:#f6f0e5;
      --coffee:#392b22;
      --ink:#18212f;
      --muted:#657085;
      --line:#e3e7ee;
      --surface:#ffffff;
      --page:#f6f8fb;
      --shadow:0 16px 42px rgba(15,36,72,.1);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
      font-size:15px;
      line-height:1.7;
      overflow-x:hidden;
    }
    body,a,button,input{font-family:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{
      color:#eaf2ff;
      background:var(--theme-dark);
      font-size:13px;
    }
    .topbar .container{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar a{color:#fff}
    .topbar a:hover{text-decoration:underline}
    .top-contact{text-align:right}
    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 18px rgba(14,39,80,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:190px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-weight:800;
      font-size:19px;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#293448;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:var(--theme-soft);
    }
    .nav-link::after{
      content:"";
      position:absolute;
      right:13px;
      bottom:0;
      left:13px;
      height:3px;
      border-radius:3px 3px 0 0;
      background:var(--theme);
      transform:scaleX(0);
      transition:.2s ease;
    }
    .nav-link:hover::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}
    .has-arrow{padding-right:27px}
    .has-arrow::before{
      content:"";
      position:absolute;
      right:12px;
      top:50%;
      width:6px;
      height:6px;
      margin-top:-5px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:.2s ease;
    }
    .nav-item:hover .has-arrow::before,.nav-item:focus-within .has-arrow::before{
      margin-top:-1px;
      transform:rotate(225deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      border:1px solid var(--line);
      border-top:3px solid var(--theme);
      border-radius:0 0 16px 16px;
      background:#fff;
      box-shadow:0 22px 52px rgba(15,36,72,.16);
      pointer-events:none;
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:10px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{width:320px;padding:20px}
    .mega-menu{
      width:min(850px,calc(100vw - 40px));
      padding:22px;
    }
    .nav-item:nth-last-child(-n+2) .mega-menu{
      left:auto;
      right:0;
      transform:translateY(10px);
    }
    .nav-item:nth-last-child(-n+2):hover>.mega-menu,
    .nav-item:nth-last-child(-n+2):focus-within>.mega-menu{transform:translateY(0)}
    .drop-title,.mega-title{
      display:block;
      margin-bottom:13px;
      color:var(--coffee);
      font-size:16px;
    }
    .drop-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:7px;
      margin-top:13px;
    }
    .dropdown-panel .drop-list{grid-template-columns:1fr;margin-top:0}
    .drop-list a{
      min-width:0;
      padding:8px 10px;
      overflow:hidden;
      color:#48546a;
      background:#f7f9fc;
      border-radius:8px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .drop-list a:hover{color:var(--theme);background:var(--theme-soft)}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      min-height:112px;
      display:grid;
      grid-template-columns:56px minmax(0,1fr);
      align-content:center;
      column-gap:11px;
      padding:12px;
      border:1px solid #e7eaf0;
      border-radius:12px;
      background:#fff;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#b8c9e8;
      box-shadow:0 9px 22px rgba(11,61,145,.1);
      transform:translateY(-2px);
    }
    .mega-card img{
      grid-row:1/4;
      width:56px;
      height:56px;
      align-self:center;
      object-fit:contain;
      border-radius:10px;
      background:#f2f5fa;
    }
    .video-mini img,.product-mini img{object-fit:cover}
    .mega-card strong{
      min-width:0;
      overflow:hidden;
      color:#1f2b3d;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      min-width:0;
      display:block;
      overflow:hidden;
      color:#748095;
      font-size:12px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      display:flex;
      align-items:center;
      justify-content:center;
      margin-top:15px;
      padding:10px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-weight:700;
    }
    .mega-footer:hover{background:var(--theme-dark)}
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-link{display:inline-flex;align-items:center}
    .member-link a{
      color:var(--theme);
      font-weight:700;
    }
    .open-account{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 17px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-weight:800;
      box-shadow:0 7px 18px rgba(11,61,145,.18);
    }
    .open-account:hover{background:var(--theme-dark)}
    .hamburger{
      width:43px;
      height:40px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      border:1px solid #dce2eb;
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      width:20px;
      height:2px;
      display:block;
      background:var(--theme-dark);
      transition:.2s ease;
    }
    .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{
      position:fixed;
      inset:0;
      z-index:90;
      visibility:hidden;
      opacity:0;
      background:rgba(7,18,36,.56);
      backdrop-filter:blur(2px);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:100;
      width:min(390px,88vw);
      height:100vh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(8,26,58,.22);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:70px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px 18px;
      color:#fff;
      background:var(--theme-dark);
    }
    .drawer-head>span{min-width:0;margin-right:auto}
    .drawer-head a{
      padding:7px 13px;
      border:1px solid rgba(255,255,255,.38);
      border-radius:8px;
      font-weight:700;
    }
    .drawer-close{
      width:38px;
      height:38px;
      padding:0;
      color:#fff;
      border:0;
      background:transparent;
      font-size:29px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:13px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      padding:10px 7px;
      color:#263248;
      border:0;
      border-bottom:1px solid #edf0f4;
      background:transparent;
      font-size:15px;
      font-weight:750;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle{
      position:relative;
      padding-right:30px;
    }
    .drawer-toggle::after{
      content:"+";
      position:absolute;
      right:8px;
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active{color:var(--theme)}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      padding:0 8px;
      background:#f7f9fc;
      border-radius:0 0 10px 10px;
      transition:max-height .32s ease,padding .32s ease;
    }
    .drawer-submenu.open{
      max-height:780px;
      padding:8px;
    }
    .drawer-submenu a{
      display:block;
      padding:9px 11px;
      color:#58657a;
      border-bottom:1px solid #e9edf3;
      font-size:14px;
    }
    .drawer-submenu a:last-child{border-bottom:0}
    .drawer-submenu a:hover{color:var(--theme);background:#fff}
    .category-page{min-height:640px}
    .category-page .category-masthead{
      position:relative;
      overflow:hidden;
      padding:66px 0 58px;
      color:#fff;
      background:
        radial-gradient(circle at 82% 20%,rgba(213,155,51,.3),transparent 25%),
        linear-gradient(135deg,var(--theme-dark),var(--theme) 64%,#174fa8);
    }
    .category-page .category-masthead::before,
    .category-page .category-masthead::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.14);
      border-radius:50%;
    }
    .category-page .category-masthead::before{
      width:270px;
      height:270px;
      right:7%;
      top:-145px;
    }
    .category-page .category-masthead::after{
      width:160px;
      height:160px;
      right:18%;
      bottom:-110px;
    }
    .category-page .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      color:rgba(255,255,255,.76);
      font-size:14px;
    }
    .category-page .breadcrumb a:hover{color:#fff;text-decoration:underline}
    .category-page .category-heading{
      position:relative;
      z-index:1;
      max-width:820px;
    }
    .category-page .category-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:13px;
      color:#ffe2a9;
      font-weight:800;
      letter-spacing:.08em;
    }
    .category-page .category-kicker::before{
      content:"";
      width:30px;
      height:2px;
      background:var(--amber);
    }
    .category-page .category-heading h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.16;
      letter-spacing:-.03em;
    }
    .category-page .category-heading p{
      max-width:730px;
      margin:18px 0 0;
      color:rgba(255,255,255,.86);
      font-size:17px;
      line-height:1.85;
    }
    .category-page .category-toolbar{
      margin-top:-22px;
      position:relative;
      z-index:3;
    }
    .category-page .toolbar-inner{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:14px 20px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:var(--shadow);
    }
    .category-page .toolbar-title{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--coffee);
      font-weight:800;
    }
    .category-page .toolbar-title::before{
      content:"";
      width:8px;
      height:26px;
      border-radius:6px;
      background:var(--amber);
    }
    .category-page .toolbar-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:8px;
    }
    .category-page .toolbar-links a{
      padding:7px 12px;
      color:#46536a;
      background:#f2f5f9;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .category-page .toolbar-links a:hover{
      color:#fff;
      background:var(--theme);
    }
    .category-page .article-section{padding:48px 0 74px}
    .category-page .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .category-page .section-head h2{
      margin:0;
      color:var(--coffee);
      font-size:28px;
      line-height:1.3;
    }
    .category-page .section-head p{
      margin:5px 0 0;
      color:var(--muted);
    }
    .category-page .section-badge{
      padding:7px 13px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:999px;
      font-weight:750;
      white-space:nowrap;
    }
    .category-page .article-list{
      display:grid;
      gap:20px;
    }
    .category-page .article-card{
      min-width:0;
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 9px 28px rgba(21,42,78,.06);
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
    }
    .category-page .article-card:hover{
      border-color:#bdcce5;
      box-shadow:0 17px 38px rgba(11,61,145,.12);
      transform:translateY(-3px);
    }
    .category-page .article-cover{
      position:relative;
      min-height:245px;
      overflow:hidden;
      background:#dfe5ee;
    }
    .category-page .article-cover img{
      width:100%;
      height:100%;
      min-height:245px;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .category-page .article-card:hover .article-cover img{transform:scale(1.045)}
    .category-page .article-category{
      position:absolute;
      top:16px;
      left:16px;
      max-width:calc(100% - 32px);
      padding:6px 11px;
      overflow:hidden;
      color:#fff;
      background:rgba(7,44,105,.9);
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      text-overflow:ellipsis;
      white-space:nowrap;
      backdrop-filter:blur(5px);
    }
    .category-page .article-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:24px 27px;
    }
    .category-page .article-body h2{
      margin:0;
      color:#1b2638;
      font-size:22px;
      line-height:1.45;
    }
    .category-page .article-body h2 a:hover{color:var(--theme)}
    .category-page .article-summary{
      min-height:4.9em;
      margin:12px 0 14px;
      display:-webkit-box;
      overflow:hidden;
      color:#5f6b7e;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .category-page .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px 18px;
      margin:0 0 12px;
      color:#768195;
      font-size:13px;
    }
    .category-page .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:5px;
    }
    .category-page .article-meta span::before{
      content:"";
      width:5px;
      height:5px;
      flex:0 0 auto;
      border-radius:50%;
      background:var(--amber);
    }
    .category-page .article-tags{
      min-height:28px;
      margin:0 0 17px;
      padding:7px 10px;
      color:#5c6880;
      background:#f5f7fa;
      border-left:3px solid #bdcbea;
      border-radius:5px;
      font-size:13px;
      overflow-wrap:anywhere;
    }
    .category-page .article-actions{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
    }
    .category-page .read-more{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 16px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-weight:800;
      transition:.2s ease;
    }
    .category-page .read-more::after{content:"→";font-size:17px}
    .category-page .read-more:hover{background:var(--theme-dark);transform:translateX(2px)}
    .category-page .content-note{
      color:#8a6a32;
      font-size:12px;
      font-weight:700;
    }
    .category-page .pagination{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin-top:36px;
    }
    .category-page .pagination a{
      min-width:42px;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 13px;
      color:#435069;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      font-weight:700;
      transition:.2s ease;
    }
    .category-page .pagination a:hover,
    .category-page .pagination a.active,
    .category-page .pagination a.current{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }
    .category-page .category-cta{
      padding:0 0 76px;
    }
    .category-page .cta-panel{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      padding:32px 36px;
      color:#fff;
      background:linear-gradient(120deg,var(--coffee),#59402e);
      border-radius:20px;
      box-shadow:0 18px 44px rgba(57,43,34,.18);
    }
    .category-page .cta-panel h2{margin:0 0 5px;font-size:24px}
    .category-page .cta-panel p{margin:0;color:rgba(255,255,255,.72)}
    .category-page .cta-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      flex:0 0 auto;
    }
    .category-page .cta-links a{
      padding:10px 17px;
      border:1px solid rgba(255,255,255,.27);
      border-radius:9px;
      font-weight:800;
    }
    .category-page .cta-links a:first-child{
      color:var(--coffee);
      background:#f4c66d;
      border-color:#f4c66d;
    }
    .category-page .cta-links a:hover{transform:translateY(-2px)}
    .footer{
      color:#cbd4e2;
      background:#101a2a;
      border-top:4px solid var(--theme);
    }
    .footer .container{padding-top:52px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.05fr;
      gap:42px;
      padding-bottom:38px;
    }
    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-brand strong{
      display:block;
      margin-bottom:13px;
      color:#fff;
      font-size:22px;
    }
    .footer p{margin:7px 0;color:#aeb9ca}
    .footer-grid>div:not(.footer-brand)>a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:8px 0;
      color:#c5cede;
      overflow-wrap:anywhere;
    }
    .footer a:hover{color:#fff}
    .footer-bottom{
      padding:20px 0 24px;
      color:#94a1b4;
      border-top:1px solid rgba(255,255,255,.1);
      text-align:center;
      font-size:13px;
    }
    @media (max-width:1120px){
      .logo{min-width:auto}
      .logo span{display:none}
      .nav-link{padding-right:9px;padding-left:9px;font-size:14px}
      .has-arrow{padding-right:23px}
      .has-arrow::before{right:9px}
      .member-link{display:none}
    }
    @media (max-width:960px){
      .topbar .container{min-height:40px}
      .main-nav{display:none}
      .header-inner{min-height:70px}
      .logo span{display:inline}
      .header-btns{margin-left:auto}
      .member-link{display:inline-flex}
      .hamburger{display:flex}
      .category-page .article-card{grid-template-columns:275px minmax(0,1fr)}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{
        padding:7px 0;
        align-items:flex-start;
        flex-direction:column;
        gap:1px;
      }
      .top-contact{text-align:left}
      .logo span{font-size:17px}
      .member-link{display:none}
      .category-page .category-masthead{padding:48px 0 51px}
      .category-page .category-heading p{font-size:15px}
      .category-page .toolbar-inner{align-items:flex-start;flex-direction:column}
      .category-page .toolbar-links{justify-content:flex-start}
      .category-page .article-section{padding-top:38px}
      .category-page .section-head{align-items:flex-start;flex-direction:column}
      .category-page .article-card{grid-template-columns:1fr}
      .category-page .article-cover,.category-page .article-cover img{min-height:220px}
      .category-page .article-body{padding:21px}
      .category-page .article-summary{min-height:4.9em;-webkit-line-clamp:3}
      .category-page .cta-panel{align-items:flex-start;flex-direction:column;padding:27px 24px}
      .category-page .cta-links{width:100%}
      .footer-grid{gap:27px}
    }
    @media (max-width:520px){
      .header-inner{gap:10px}
      .logo{min-width:0}
      .logo img{width:38px;height:38px}
      .logo span{
        max-width:145px;
        overflow:hidden;
        text-overflow:ellipsis;
        white-space:nowrap;
      }
      .open-account{min-height:38px;padding:0 13px}
      .category-page .category-heading h1{font-size:34px}
      .category-page .article-body h2{font-size:19px}
      .category-page .article-actions{align-items:flex-start;flex-direction:column}
      .category-page .read-more{width:100%;justify-content:center}
      .footer-grid{grid-template-columns:1fr}
    }