:root{
      --primary:#0B3D91;
      --template-theme:{主题色};
      --primary-dark:#06265d;
      --primary-soft:#e9f1ff;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --canvas:#f5f7fb;
      --night:#070b18;
      --purple:#7c3aed;
      --ice:#9bdcff;
      --success:#16a36a;
      --radius:18px;
      --shadow:0 18px 48px rgba(11,61,145,.12);
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--canvas);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
      line-height:1.65;
    }
    body.drawer-lock{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(var(--container),calc(100% - 40px));margin-inline:auto}

    .topbar{
      position:relative;
      z-index:80;
      color:#dce9ff;
      background:#061b43;
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-links{display:flex;align-items:center;gap:18px}
    .topbar a:hover{color:#fff}

    .header{
      position:sticky;
      top:0;
      z-index:70;
      border-bottom:1px solid rgba(16,24,40,.08);
      background:rgba(255,255,255,.96);
      backdrop-filter:blur(16px);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--primary);
      font-size:19px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:40px;
      height:40px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      justify-content:center;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      padding:0 13px;
      display:flex;
      align-items:center;
      gap:7px;
      color:#344054;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-arrow::after{
      width:7px;
      height:7px;
      content:"";
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:translateY(-2px) rotate(45deg);
      transition:.2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{transform:translateY(2px) rotate(225deg)}

    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      z-index:90;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      background:#fff;
      box-shadow:0 24px 60px rgba(16,24,40,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .dropdown-panel{
      left:0;
      width:330px;
      padding:18px;
    }
    .dropdown-title{
      margin:0 0 10px;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
    }
    .dropdown-panel>a:not(.dropdown-all){
      display:block;
      padding:10px 8px;
      border-bottom:1px solid #f0f2f5;
      color:#344054;
      font-size:14px;
    }
    .dropdown-panel>a:hover{color:var(--primary)}
    .dropdown-all{
      display:block;
      margin-top:12px;
      color:var(--primary);
      font-size:14px;
      font-weight:800;
    }
    .mega-menu{
      left:50%;
      width:min(880px,calc(100vw - 40px));
      padding:22px;
      transform:translate(-50%,10px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .mega-head strong{color:var(--primary);font-size:17px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-categories{
      padding:14px 0 2px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .mega-categories a{
      padding:6px 11px;
      border:1px solid #d8e3f5;
      border-radius:999px;
      color:var(--primary);
      background:#f7faff;
      font-size:12px;
      font-weight:700;
    }
    .mega-grid{
      padding-top:16px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:13px;
      display:grid;
      grid-template-columns:46px minmax(0,1fr);
      align-items:center;
      gap:4px 11px;
      border:1px solid var(--line);
      border-radius:13px;
      background:#fff;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#b7c9ea;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
      transform:translateY(-2px);
    }
    .mega-card img{
      grid-row:1/4;
      width:46px;
      height:46px;
      object-fit:cover;
      border-radius:10px;
      background:#eef3fb;
    }
    .mega-card strong{
      min-width:0;
      overflow:hidden;
      color:#1d2939;
      font-size:13px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      margin:0;
      overflow:hidden;
      color:var(--muted);
      font-size:11px;
      line-height:1.4;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:4px 8px;
      color:#667085;
      font-size:10px;
    }
    .mega-footer{
      margin-top:16px;
      padding-top:14px;
      display:block;
      border-top:1px solid var(--line);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      text-align:right;
    }

    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .header-btns>a{
      padding:9px 14px;
      border-radius:10px;
      color:#fff;
      background:var(--primary);
      font-size:13px;
      font-weight:800;
    }
    .header-btns>a:first-child{
      color:var(--primary);
      border:1px solid #c8d6ef;
      background:#fff;
    }
    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      border:0;
      border-radius:10px;
      background:#eef3fb;
    }
    .hamburger span{
      width:100%;
      height:2px;
      margin:4px 0;
      display:block;
      border-radius:2px;
      background:var(--primary);
      transition:.2s ease;
    }
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

    .drawer-overlay{
      position:fixed;
      inset:0;
      z-index:98;
      visibility:hidden;
      opacity:0;
      background:rgba(3,10,26,.62);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:99;
      width:min(390px,92vw);
      height:100dvh;
      overflow-y:auto;
      visibility:hidden;
      transform:translateX(100%);
      background:#fff;
      box-shadow:-20px 0 60px rgba(0,0,0,.2);
      transition:.28s ease;
    }
    .mobile-drawer.open{visibility:visible;transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      padding:16px;
      display:flex;
      align-items:center;
      gap:9px;
      border-bottom:1px solid var(--line);
      background:#fff;
    }
    .drawer-head>a{
      padding:8px 12px;
      border-radius:9px;
      color:#fff;
      background:var(--primary);
      font-size:13px;
      font-weight:800;
    }
    .drawer-close{
      width:40px;
      height:40px;
      margin-left:auto;
      border:0;
      border-radius:50%;
      color:#344054;
      background:#f2f4f7;
      font-size:25px;
      line-height:1;
    }
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      padding:14px 4px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border:0;
      border-bottom:1px solid #edf0f4;
      color:#1d2939;
      background:transparent;
      font-weight:800;
      text-align:left;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height .3s ease,opacity .25s ease;
    }
    .drawer-submenu.open{max-height:720px;opacity:1}
    .drawer-submenu a{
      padding:10px 13px;
      display:block;
      border-left:2px solid #d8e3f5;
      color:#526071;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:#f7f9fc}

    .video-detail-main{min-width:0}
    .video-detail-main .video-masthead{
      position:relative;
      overflow:hidden;
      padding:58px 0 42px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 10%,rgba(124,58,237,.42),transparent 32%),
        radial-gradient(circle at 82% 28%,rgba(66,190,255,.28),transparent 30%),
        linear-gradient(145deg,#050814,#09132e 60%,#071b42);
    }
    .video-detail-main .video-masthead::before{
      position:absolute;
      inset:0;
      content:"";
      opacity:.25;
      background-image:linear-gradient(rgba(155,220,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(155,220,255,.08) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .video-detail-main .masthead-inner{position:relative;z-index:1}
    .video-detail-main .video-breadcrumb{
      margin-bottom:18px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#bcd5ff;
      font-size:14px;
    }
    .video-detail-main .video-breadcrumb a:hover{color:#fff}
    .video-detail-main .video-label{
      width:max-content;
      margin:0 0 14px;
      padding:6px 11px;
      border:1px solid rgba(155,220,255,.32);
      border-radius:999px;
      color:#cceeff;
      background:rgba(155,220,255,.08);
      font-size:12px;
      font-weight:800;
    }
    .video-detail-main h1{
      max-width:920px;
      margin:0;
      font-size:clamp(32px,5vw,58px);
      line-height:1.14;
      letter-spacing:-.035em;
    }
    .video-detail-main .video-lead{
      max-width:850px;
      margin:19px 0 0;
      color:#cbd8ee;
      font-size:17px;
    }
    .video-detail-main .video-meta{
      margin-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .video-detail-main .video-meta span{
      padding:7px 11px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:9px;
      color:#dbe8fb;
      background:rgba(255,255,255,.06);
      font-size:13px;
    }

    .video-detail-main .video-layout{
      padding:42px 0 68px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      align-items:start;
      gap:28px;
    }
    .video-detail-main .video-primary{min-width:0}
    .video-detail-main .player-shell{
      position:relative;
      min-width:0;
      overflow:hidden;
      border:1px solid rgba(155,220,255,.18);
      border-radius:20px;
      color:#fff;
      background:#02040b;
      box-shadow:0 25px 65px rgba(5,13,35,.25);
      aspect-ratio:16/9;
    }
    .video-detail-main .player-shell>*{max-width:100%}
    .video-detail-main .player-shell iframe,
    .video-detail-main .player-shell video,
    .video-detail-main .player-shell embed,
    .video-detail-main .player-shell object{
      width:100%;
      height:100%;
      display:block;
      border:0;
    }
    .video-detail-main .player-shell img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .video-detail-main .video-source{
      margin:14px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .video-detail-main .video-source a{
      color:var(--primary);
      font-weight:800;
    }
    .video-detail-main .content-card{
      min-width:0;
      max-width:100%;
      margin-top:24px;
      padding:28px;
      overflow-x:auto;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:0 10px 35px rgba(16,24,40,.06);
    }
    .video-detail-main .content-card h2{
      margin:0 0 15px;
      color:#15213a;
      font-size:25px;
    }
    .video-detail-main .video-description{color:#475467;font-size:16px}
    .video-detail-main .video-description img,
    .video-detail-main .video-description video,
    .video-detail-main .video-description iframe,
    .video-detail-main .video-description table{
      max-width:100%;
    }
    .video-detail-main .video-description table{
      width:100%;
      border-collapse:collapse;
    }
    .video-detail-main .video-description th,
    .video-detail-main .video-description td{
      padding:10px;
      border:1px solid var(--line);
    }
    .video-detail-main .tag-panel{
      margin-top:20px;
      padding-top:18px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      border-top:1px solid var(--line);
    }
    .video-detail-main .tag-panel strong{color:#344054;font-size:14px}
    .video-detail-main .tag-value{
      color:var(--primary);
      font-size:14px;
      font-weight:700;
    }

    .video-detail-main .video-sidebar{
      position:sticky;
      top:98px;
      min-width:0;
    }
    .video-detail-main .side-card{
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:0 10px 30px rgba(16,24,40,.06);
    }
    .video-detail-main .side-card+.side-card{margin-top:18px}
    .video-detail-main .side-card h2{
      margin:0 0 14px;
      color:#17233c;
      font-size:19px;
    }
    .video-detail-main .detail-list{
      margin:0;
      display:grid;
      gap:0;
    }
    .video-detail-main .detail-list div{
      padding:11px 0;
      display:flex;
      justify-content:space-between;
      gap:18px;
      border-bottom:1px solid #edf0f4;
    }
    .video-detail-main .detail-list div:last-child{border-bottom:0}
    .video-detail-main .detail-list dt{color:var(--muted);font-size:13px}
    .video-detail-main .detail-list dd{
      margin:0;
      color:#344054;
      font-size:13px;
      font-weight:800;
      text-align:right;
    }
    .video-detail-main .risk-note{
      margin:0;
      color:#667085;
      font-size:13px;
    }

    .video-detail-main .related-section{
      padding:68px 0 78px;
      border-top:1px solid #dfe5ef;
      background:#fff;
    }
    .video-detail-main .section-heading{
      margin-bottom:25px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
    }
    .video-detail-main .section-heading p{
      margin:0 0 5px;
      color:var(--primary);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .video-detail-main .section-heading h2{
      margin:0;
      color:#17233c;
      font-size:30px;
    }
    .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;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      transition:.22s ease;
    }
    .video-detail-main .related-card:hover{
      border-color:#b9cae8;
      box-shadow:var(--shadow);
      transform:translateY(-4px);
    }
    .video-detail-main .related-cover{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:#09132e;
    }
    .video-detail-main .related-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .3s ease;
    }
    .video-detail-main .related-card:hover img{transform:scale(1.04)}
    .video-detail-main .play-mark{
      position:absolute;
      left:15px;
      bottom:15px;
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.35);
      border-radius:50%;
      color:#fff;
      background:rgba(7,11,24,.72);
      backdrop-filter:blur(8px);
    }
    .video-detail-main .duration{
      position:absolute;
      right:12px;
      bottom:12px;
      padding:4px 7px;
      border-radius:6px;
      color:#fff;
      background:rgba(0,0,0,.72);
      font-size:11px;
      font-weight:800;
    }
    .video-detail-main .related-body{padding:17px}
    .video-detail-main .related-body h3{
      margin:0;
      overflow:hidden;
      color:#1d2939;
      font-size:17px;
      line-height:1.45;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .video-detail-main .related-body p{
      margin:9px 0 0;
      overflow:hidden;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }

    .footer{
      color:#cbd5e1;
      background:#07152f;
    }
    .footer-main{
      padding:58px 0 42px;
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.1fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0 0;
      color:#9fb0c8;
      font-size:14px;
    }
    .footer h3{
      margin:4px 0 16px;
      color:#fff;
      font-size:15px;
    }
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact a{
      color:#aebbd0;
      font-size:14px;
    }
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{margin-top:8px}
    .footer-bottom{
      padding:20px 0 26px;
      display:flex;
      justify-content:space-between;
      gap:25px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#8292aa;
      font-size:12px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .video-detail-main .video-layout{grid-template-columns:minmax(0,1fr) 280px}
    }
    @media (max-width:900px){
      .video-detail-main .video-layout{grid-template-columns:1fr}
      .video-detail-main .video-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
      .video-detail-main .side-card+.side-card{margin-top:0}
      .video-detail-main .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-links{width:100%;justify-content:space-between;gap:10px}
      .topbar-links a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .header-btns>a{display:none}
      .logo span{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .video-detail-main .video-masthead{padding:42px 0 34px}
      .video-detail-main .video-lead{font-size:15px}
      .video-detail-main .video-layout{padding:26px 0 48px}
      .video-detail-main .player-shell{border-radius:13px}
      .video-detail-main .content-card{padding:21px}
      .video-detail-main .video-sidebar{grid-template-columns:1fr}
      .video-detail-main .related-section{padding:48px 0}
      .video-detail-main .section-heading{align-items:flex-start;flex-direction:column}
      .video-detail-main .related-grid{grid-template-columns:1fr}
      .footer-main{padding-top:44px;grid-template-columns:1fr;gap:30px}
      .footer-bottom{flex-direction:column;gap:8px}
    }