:root{
      --brand:#0B3D91;
      --template-theme:{主题色};
      --brand-dark:#06275e;
      --brand-deep:#041a40;
      --brand-soft:#eaf1ff;
      --accent:#8f6bff;
      --purple:#6f4bb8;
      --mist:#f6f7fb;
      --white:#fff;
      --ink:#161923;
      --muted:#667085;
      --line:#e5e8ef;
      --success:#1b9c63;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:20px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#f7f8fc;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}

    .topbar{
      color:rgba(255,255,255,.86);
      background:var(--brand-deep);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-contact{display:flex;align-items:center;gap:18px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid rgba(11,61,145,.09);
      box-shadow:0 8px 24px rgba(18,28,45,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--brand-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:12px;
      object-fit:contain;
    }
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{position:relative;display:flex;align-items:center}
    .nav-link{
      height:100%;
      display:flex;
      align-items:center;
      padding:0 12px;
      color:#303746;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--brand);
      background:var(--brand-soft);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-left:8px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:70;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 60px rgba(8,24,54,.16);
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
    }
    .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;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:330px;
      padding:14px;
    }
    .dropdown-panel>a{
      display:block;
      padding:10px 12px;
      border-radius:10px;
      color:#3e4655;
      font-size:14px;
      font-weight:650;
    }
    .dropdown-panel>a:hover{color:var(--brand);background:var(--brand-soft)}
    .dropdown-panel .dropdown-all{
      margin-top:7px;
      padding-top:12px;
      color:var(--brand);
      border-top:1px solid var(--line);
    }
    .mega-menu{
      width:min(880px,calc(100vw - 40px));
      padding:22px;
    }
    .nav-item:nth-child(4) .mega-menu{left:35%}
    .nav-item:nth-child(5) .mega-menu{left:5%}
    .nav-item:nth-child(6) .mega-menu{left:-100%}
    .mega-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .mega-head strong{color:var(--brand-dark);font-size:18px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
    }
    .mega-categories a{
      padding:6px 11px;
      color:var(--brand);
      background:var(--brand-soft);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:flex;
      align-items:center;
      gap:11px;
      padding:12px;
      border:1px solid var(--line);
      border-radius:14px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:rgba(11,61,145,.32);
      box-shadow:0 10px 24px rgba(11,61,145,.09);
    }
    .mega-card>img{
      flex:0 0 48px;
      width:48px;
      height:48px;
      border-radius:11px;
      object-fit:cover;
      background:#eef2f8;
    }
    .mega-card-body{min-width:0;display:grid;gap:2px}
    .mega-card-body strong{
      overflow:hidden;
      color:#222938;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card-body small{
      overflow:hidden;
      color:var(--muted);
      font-size:11px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      display:block;
      margin-top:16px;
      padding:11px 14px;
      color:#fff;
      text-align:center;
      background:var(--brand);
      border-radius:11px;
      font-size:14px;
      font-weight:800;
    }
    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .header-btns>a:not(.account-btn){
      color:var(--brand);
      font-size:14px;
      font-weight:750;
    }
    .account-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 17px;
      color:#fff;
      background:var(--brand);
      border-radius:11px;
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 20px rgba(11,61,145,.2);
    }
    .hamburger{
      width:44px;
      height:44px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      color:inherit;
      background:#fff;
      border:1px solid var(--line);
      border-radius:11px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--brand-dark);
      border-radius:2px;
      transition:transform .2s ease,opacity .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:89;
      visibility:hidden;
      opacity:0;
      background:rgba(2,12,30,.58);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:90;
      width:min(400px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 60px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand-deep),var(--brand));
    }
    .drawer-head>a{font-weight:750}
    .drawer-close{
      width:40px;
      height:40px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.24);
      border-radius:10px;
      font-size:26px;
      line-height:1;
    }
    .drawer-menu{padding:14px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      padding:10px 13px;
      color:#273142;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f4;
      text-align:left;
      font-weight:750;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--brand);
      font-size:21px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 8px 10px 18px;
      background:#f7f9fd;
      border-radius:0 0 12px 12px;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 10px;
      color:#566174;
      border-radius:8px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--brand);background:#fff}

    .video-detail-main{
      min-width:0;
      padding:42px 0 76px;
      background:
        radial-gradient(circle at 15% 5%,rgba(111,75,184,.1),transparent 30%),
        linear-gradient(180deg,#f5f7fc 0,#fff 46%,#f7f8fc 100%);
    }
    .video-detail-main .video-shell{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .video-detail-main .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:20px;
      color:var(--muted);
      font-size:14px;
    }
    .video-detail-main .breadcrumbs a{color:var(--brand);font-weight:700}
    .video-detail-main .video-heading{
      max-width:900px;
      margin:0 auto 27px;
      text-align:center;
    }
    .video-detail-main .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      padding:6px 12px;
      color:var(--brand);
      background:#fff;
      border:1px solid rgba(11,61,145,.14);
      border-radius:999px;
      box-shadow:0 8px 25px rgba(11,61,145,.07);
      font-size:13px;
      font-weight:800;
    }
    .video-detail-main .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      background:var(--accent);
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(143,107,255,.12);
    }
    .video-detail-main h1{
      margin:0;
      color:#131827;
      font-size:clamp(30px,5vw,54px);
      line-height:1.18;
      letter-spacing:-.035em;
    }
    .video-detail-main .video-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px 20px;
      margin-top:17px;
      color:var(--muted);
      font-size:14px;
    }
    .video-detail-main .video-meta span{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .video-detail-main .video-meta span::before{
      content:"";
      width:6px;
      height:6px;
      background:#9ba6b8;
      border-radius:50%;
    }
    .video-detail-main .player-frame{
      position:relative;
      width:100%;
      min-width:0;
      overflow:hidden;
      color:#fff;
      background:#090b12;
      border:1px solid rgba(255,255,255,.12);
      border-radius:24px;
      box-shadow:0 28px 80px rgba(8,15,35,.24);
    }
    .video-detail-main .player-frame::before{
      content:"";
      display:block;
      padding-top:56.25%;
    }
    .video-detail-main .player-content{
      position:absolute;
      inset:0;
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
    }
    .video-detail-main .player-content>*{
      max-width:100%;
      max-height:100%;
    }
    .video-detail-main .player-content iframe,
    .video-detail-main .player-content video{
      width:100%;
      height:100%;
      border:0;
    }
    .video-detail-main .video-layout{
      min-width:0;
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      margin-top:30px;
      align-items:start;
    }
    .video-detail-main .video-primary{min-width:0}
    .video-detail-main .content-card,
    .video-detail-main .sidebar-card{
      min-width:0;
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 14px 44px rgba(22,36,63,.07);
    }
    .video-detail-main .content-card+.content-card{margin-top:20px}
    .video-detail-main .content-card h2,
    .video-detail-main .sidebar-card h2{
      margin:0 0 14px;
      color:var(--brand-dark);
      font-size:23px;
      line-height:1.35;
    }
    .video-detail-main .video-summary{
      margin:0;
      color:#505b6e;
      font-size:17px;
    }
    .video-detail-main .video-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#3e4859;
    }
    .video-detail-main .video-body img,
    .video-detail-main .video-body iframe,
    .video-detail-main .video-body video,
    .video-detail-main .video-body table{
      max-width:100%;
    }
    .video-detail-main .video-body table{
      width:100%;
      border-collapse:collapse;
    }
    .video-detail-main .video-body th,
    .video-detail-main .video-body td{
      padding:10px;
      border:1px solid var(--line);
    }
    .video-detail-main .tag-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid var(--line);
    }
    .video-detail-main .tag-label{
      color:#343d4d;
      font-weight:800;
    }
    .video-detail-main .video-tags{
      color:var(--brand);
      font-size:14px;
      font-weight:700;
    }
    .video-detail-main .detail-list{
      display:grid;
      gap:0;
      margin:0;
    }
    .video-detail-main .detail-row{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      font-size:14px;
    }
    .video-detail-main .detail-row:last-child{border-bottom:0}
    .video-detail-main .detail-row dt{color:var(--muted)}
    .video-detail-main .detail-row dd{
      margin:0;
      color:#273142;
      text-align:right;
      font-weight:750;
    }
    .video-detail-main .risk-note{
      margin:20px 0 0;
      padding:15px;
      color:#596476;
      background:#f7f9fc;
      border-left:3px solid var(--brand);
      border-radius:9px;
      font-size:13px;
    }
    .video-detail-main .related-section{
      margin-top:56px;
      padding-top:42px;
      border-top:1px solid var(--line);
    }
    .video-detail-main .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .video-detail-main .section-head h2{
      margin:0;
      color:var(--brand-dark);
      font-size:30px;
    }
    .video-detail-main .section-head p{
      margin:5px 0 0;
      color:var(--muted);
    }
    .video-detail-main .more-link{
      flex:0 0 auto;
      padding:9px 14px;
      color:var(--brand);
      background:var(--brand-soft);
      border-radius:999px;
      font-size:14px;
      font-weight:800;
    }
    .video-detail-main .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .video-detail-main .related-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:0 12px 34px rgba(20,34,58,.07);
      transition:transform .22s ease,box-shadow .22s ease;
    }
    .video-detail-main .related-card:hover{
      transform:translateY(-5px);
      box-shadow:0 20px 44px rgba(11,61,145,.13);
    }
    .video-detail-main .related-cover{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:#101522;
    }
    .video-detail-main .related-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .3s ease;
    }
    .video-detail-main .related-card:hover .related-cover img{transform:scale(1.04)}
    .video-detail-main .play-mark{
      position:absolute;
      inset:auto auto 13px 13px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 9px;
      color:#fff;
      background:rgba(6,14,30,.76);
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      backdrop-filter:blur(8px);
      font-size:12px;
      font-weight:800;
    }
    .video-detail-main .related-body{padding:17px}
    .video-detail-main .related-body h3{
      display:-webkit-box;
      overflow:hidden;
      margin:0 0 8px;
      color:#232a39;
      font-size:17px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .video-detail-main .related-body p{
      display:-webkit-box;
      overflow:hidden;
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }

    .footer{
      color:rgba(255,255,255,.76);
      background:linear-gradient(145deg,#051733,#071f49 65%,#0b3476);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.05fr;
      gap:46px;
      padding:64px 0 46px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:430px;
      margin:18px 0 0;
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer h3{
      margin:4px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact a{
      width:max-content;
      max-width:100%;
      color:rgba(255,255,255,.7);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-social{margin-top:8px;color:#fff}
    .footer-bottom{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:15px 0;
      border-top:1px solid rgba(255,255,255,.12);
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .header-inner{gap:18px}
      .header-btns{margin-left:auto}
      .hamburger{display:flex}
      .video-detail-main .video-layout{grid-template-columns:minmax(0,1fr) 290px}
      .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:34px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:820px){
      .video-detail-main{padding-top:30px}
      .video-detail-main .video-layout{grid-template-columns:1fr}
      .video-detail-main .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:640px){
      .container,.video-detail-main .video-shell{width:min(calc(100% - 28px),var(--container))}
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:center}
      .topbar-contact{width:100%;justify-content:space-between;gap:10px}
      .header-inner{min-height:68px}
      .logo{font-size:17px}
      .logo img{width:37px;height:37px}
      .header-btns>a{display:none}
      .video-detail-main h1{font-size:31px}
      .video-detail-main .video-heading{text-align:left}
      .video-detail-main .video-meta{justify-content:flex-start}
      .video-detail-main .player-frame{border-radius:16px}
      .video-detail-main .content-card,
      .video-detail-main .sidebar-card{padding:21px;border-radius:16px}
      .video-detail-main .section-head{align-items:flex-start;flex-direction:column}
      .video-detail-main .related-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr;padding:48px 0 34px}
      .footer-brand{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center}
    }