:root{
      --primary:#0B3D91;
      --primary-dark:#072b68;
      --primary-soft:#eaf1ff;
      --accent:#ff765f;
      --cream:#fff8ec;
      --ink:#22252b;
      --muted:#697180;
      --line:#e4e8ef;
      --surface:#ffffff;
      --page:#f5f7fb;
      --success:#15956b;
      --shadow:0 18px 55px rgba(26,39,67,.12);
      --radius:20px;
    }
    *{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;
      line-height:1.7;
      overflow-x:hidden;
    }
    body,button,input,textarea{font: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{
      position:relative;
      z-index:1002;
      color:#dce7fb;
      background:var(--primary-dark);
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-links{display:flex;align-items:center;gap:22px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:1000;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 6px 24px rgba(23,39,70,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--primary);
      font-weight:900;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      flex:0 0 42px;
      object-fit:contain;
      border-radius:10px;
      background:#fff;
    }
    .logo span{
      max-width:190px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .main-nav{align-self:stretch;margin-left:auto}
    .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;
      gap:6px;
      padding:0 13px;
      color:#303744;
      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(--primary);
      background:var(--primary-soft);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-top:-4px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      transform:translateY(3px) rotate(225deg);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      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:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{width:330px}
    .dropdown-inner,
    .mega-inner{
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 22px 55px rgba(18,34,66,.17);
    }
    .dropdown-inner{padding:12px}
    .dropdown-inner>a:not(.mega-footer){
      display:block;
      overflow:hidden;
      padding:10px 12px;
      border-radius:9px;
      color:#3f4754;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-inner>a:not(.mega-footer):hover{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .mega-menu{
      position:fixed;
      top:116px;
      left:50%;
      width:min(1080px,calc(100vw - 40px));
    }
    .mega-inner{padding:24px}
    .mega-heading{
      margin:0 0 13px;
      color:var(--primary);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:11px;
    }
    .mega-card{
      min-width:0;
      display:flex;
      align-items:center;
      gap:12px;
      padding:11px;
      border:1px solid #edf0f5;
      border-radius:13px;
      background:#fff;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      border-color:#b8c9ea;
      box-shadow:0 9px 25px rgba(11,61,145,.1);
      transform:translateY(-2px);
    }
    .mega-card img{
      width:50px;
      height:50px;
      flex:0 0 50px;
      object-fit:cover;
      border-radius:10px;
      background:#f0f3f8;
    }
    .mega-card span{min-width:0;display:block}
    .mega-card strong,
    .mega-card small{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card strong{font-size:14px}
    .mega-card small{color:var(--muted);font-size:12px}
    .mega-columns{
      display:grid;
      grid-template-columns:230px minmax(0,1fr);
      gap:25px;
    }
    .mega-links{display:flex;flex-direction:column;gap:4px}
    .mega-links a{
      padding:9px 11px;
      border-radius:9px;
      color:#454d59;
      font-size:14px;
    }
    .mega-links a:hover{color:var(--primary);background:var(--primary-soft)}
    .mega-footer{
      display:block;
      margin:16px -24px -24px;
      padding:13px 24px;
      color:var(--primary);
      background:#f5f8fd;
      border-top:1px solid var(--line);
      text-align:right;
      font-size:13px;
      font-weight:800;
    }
    .dropdown-inner .mega-footer{margin:9px -12px -12px}

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-btn,
    .open-btn{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:0 15px;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
    }
    .member-btn{
      color:var(--primary);
      border:1px solid #bed0ef;
      background:#fff;
    }
    .open-btn{
      color:#fff;
      border:1px solid var(--primary);
      background:var(--primary);
      box-shadow:0 7px 18px rgba(11,61,145,.2);
    }
    .member-btn:hover{background:var(--primary-soft)}
    .open-btn:hover{background:var(--primary-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      padding:9px;
      border:0;
      border-radius:10px;
      background:var(--primary-soft);
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:23px;
      height:2px;
      margin:5px auto;
      background:var(--primary);
      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;
      z-index:1998;
      inset:0;
      visibility:hidden;
      opacity:0;
      background:rgba(8,19,38,.56);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      z-index:1999;
      top:0;
      right:0;
      width:min(390px,90vw);
      height:100vh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      z-index:2;
      top:0;
      min-height:72px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:#fff;
      background:var(--primary);
    }
    .drawer-head strong{
      min-width:0;
      margin-right:auto;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:8px;
      font-size:13px;
      font-weight:800;
    }
    .drawer-close{
      width:36px;
      height:36px;
      padding:0;
      color:#fff;
      background:transparent;
      border:0;
      font-size:29px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 16px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:13px 10px;
      color:#2d3542;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f5;
      text-align:left;
      font-weight:800;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      padding:0 10px;
      background:#f7f9fc;
      border-radius:0 0 10px 10px;
      transition:max-height .3s ease,padding .3s ease;
    }
    .drawer-submenu.open{max-height:720px;padding:7px 10px}
    .drawer-submenu a{
      display:block;
      padding:9px 10px;
      color:#566071;
      border-bottom:1px dashed #dce2eb;
      font-size:14px;
    }
    .drawer-submenu a:last-child{border-bottom:0}

    .video-detail-main{min-width:0}
    .video-detail-main .video-hero{
      position:relative;
      overflow:hidden;
      padding:52px 0 46px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 18%,rgba(255,118,95,.22),transparent 29%),
        radial-gradient(circle at 85% 75%,rgba(66,126,224,.32),transparent 30%),
        linear-gradient(135deg,#171b23 0%,#202b40 48%,#0b3d91 145%);
    }
    .video-detail-main .video-hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      pointer-events:none;
    }
    .video-detail-main .hero-inner{position:relative;z-index:1}
    .video-detail-main .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:17px;
      color:#c9d5e8;
      font-size:14px;
    }
    .video-detail-main .breadcrumb a:hover{color:#fff}
    .video-detail-main .breadcrumb span::before{
      content:"/";
      margin-right:8px;
      opacity:.5;
    }
    .video-detail-main .video-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:13px;
      padding:6px 12px;
      border:1px solid rgba(255,255,255,.23);
      border-radius:999px;
      background:rgba(255,255,255,.09);
      font-size:13px;
      font-weight:800;
    }
    .video-detail-main .video-kicker::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(255,118,95,.16);
    }
    .video-detail-main h1{
      max-width:920px;
      margin:0 0 18px;
      font-size:clamp(30px,4.3vw,54px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .video-detail-main .video-summary{
      max-width:880px;
      margin:0;
      color:#d7e1f0;
      font-size:17px;
    }
    .video-detail-main .video-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:23px;
    }
    .video-detail-main .video-meta span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:5px 11px;
      border:1px solid rgba(255,255,255,.17);
      border-radius:9px;
      color:#eaf0fa;
      background:rgba(255,255,255,.07);
      font-size:13px;
    }
    .video-detail-main .detail-section{padding:46px 0 75px}
    .video-detail-main .detail-layout{
      min-width:0;
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      align-items:start;
      gap:28px;
    }
    .video-detail-main .main-column{min-width:0}
    .video-detail-main .player-card{
      overflow:hidden;
      padding:11px;
      background:#11151c;
      border:1px solid #242b36;
      border-radius:22px;
      box-shadow:0 25px 65px rgba(17,24,38,.22);
    }
    .video-detail-main .player-shell{
      position:relative;
      width:100%;
      min-height:460px;
      overflow:hidden;
      background:#06080c;
      border-radius:14px;
      aspect-ratio:16/9;
    }
    .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%!important;
      height:100%!important;
      max-width:100%;
      border:0;
    }
    .video-detail-main .player-shell img{width:100%;height:100%;object-fit:cover}
    .video-detail-main .player-shell>div{max-width:100%}
    .video-detail-main .player-caption{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
      padding:12px 7px 2px;
      color:#adb7c7;
      font-size:13px;
    }
    .video-detail-main .player-caption strong{color:#fff}
    .video-detail-main .content-card{
      min-width:0;
      margin-top:24px;
      padding:30px;
      overflow:hidden;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 36px rgba(26,39,67,.07);
    }
    .video-detail-main .section-title{
      display:flex;
      align-items:center;
      gap:11px;
      margin:0 0 20px;
      font-size:23px;
      line-height:1.35;
    }
    .video-detail-main .section-title::before{
      content:"";
      width:5px;
      height:24px;
      border-radius:99px;
      background:var(--accent);
    }
    .video-detail-main .intro-box{
      margin-bottom:24px;
      padding:18px 20px;
      color:#4e5868;
      background:var(--cream);
      border-left:4px solid var(--accent);
      border-radius:0 12px 12px 0;
    }
    .video-detail-main .video-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#343c49;
      line-height:1.9;
      word-break:break-word;
    }
    .video-detail-main .video-body img,
    .video-detail-main .video-body video,
    .video-detail-main .video-body iframe,
    .video-detail-main .video-body table{
      max-width:100%!important;
    }
    .video-detail-main .video-body img{
      height:auto;
      margin:20px auto;
      border-radius:13px;
    }
    .video-detail-main .video-body table{
      width:100%;
      min-width:600px;
      border-collapse:collapse;
    }
    .video-detail-main .video-body td,
    .video-detail-main .video-body th{
      padding:10px;
      border:1px solid var(--line);
    }
    .video-detail-main .video-body a{color:var(--primary);text-decoration:underline}
    .video-detail-main .video-tags{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid var(--line);
    }
    .video-detail-main .video-tags strong{font-size:14px}
    .video-detail-main .video-tags span{
      padding:6px 11px;
      color:var(--primary);
      background:var(--primary-soft);
      border-radius:999px;
      font-size:13px;
    }
    .video-detail-main .sidebar{
      position:sticky;
      top:22px;
      display:grid;
      gap:18px;
    }
    .video-detail-main .side-card{
      overflow:hidden;
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:0 10px 30px rgba(26,39,67,.06);
    }
    .video-detail-main .side-card h2{
      margin:0 0 15px;
      font-size:18px;
    }
    .video-detail-main .cover-box{
      position:relative;
      overflow:hidden;
      margin:-22px -22px 18px;
      aspect-ratio:16/10;
      background:#e8edf5;
    }
    .video-detail-main .cover-box img{width:100%;height:100%;object-fit:cover}
    .video-detail-main .cover-box span{
      position:absolute;
      right:10px;
      bottom:10px;
      padding:5px 9px;
      color:#fff;
      background:rgba(13,18,28,.78);
      border-radius:7px;
      font-size:12px;
    }
    .video-detail-main .info-list{
      display:grid;
      gap:0;
      margin:0;
    }
    .video-detail-main .info-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      padding:11px 0;
      border-bottom:1px dashed #dfe4ec;
      font-size:14px;
    }
    .video-detail-main .info-row:last-child{border-bottom:0}
    .video-detail-main .info-row dt{color:var(--muted)}
    .video-detail-main .info-row dd{
      margin:0;
      color:#303947;
      text-align:right;
      font-weight:800;
      word-break:break-word;
    }
    .video-detail-main .risk-card{
      color:#5f4b29;
      background:#fff9ed;
      border-color:#f0d7a8;
    }
    .video-detail-main .risk-card p{margin:0;font-size:13px}
    .video-detail-main .related-section{
      padding:70px 0;
      background:#fff;
      border-top:1px solid var(--line);
    }
    .video-detail-main .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:25px;
    }
    .video-detail-main .section-head h2{margin:0;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:10px 16px;
      color:var(--primary);
      background:var(--primary-soft);
      border-radius:10px;
      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:17px;
      box-shadow:0 9px 26px rgba(26,39,67,.06);
      transition:transform .22s ease,box-shadow .22s ease;
    }
    .video-detail-main .related-card:hover{
      transform:translateY(-5px);
      box-shadow:0 17px 40px rgba(26,39,67,.12);
    }
    .video-detail-main .related-cover{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:#e8edf5;
    }
    .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;
      top:50%;
      left:50%;
      width:46px;
      height:46px;
      border:1px solid rgba(255,255,255,.5);
      border-radius:50%;
      background:rgba(11,61,145,.84);
      box-shadow:0 8px 20px rgba(0,0,0,.2);
      transform:translate(-50%,-50%);
    }
    .video-detail-main .play-mark::after{
      content:"";
      position:absolute;
      top:50%;
      left:53%;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
      border-left:11px solid #fff;
      transform:translate(-50%,-50%);
    }
    .video-detail-main .duration{
      position:absolute;
      right:9px;
      bottom:9px;
      padding:4px 8px;
      color:#fff;
      background:rgba(15,20,28,.82);
      border-radius:6px;
      font-size:12px;
    }
    .video-detail-main .related-body{padding:17px}
    .video-detail-main .related-body h3{
      display:-webkit-box;
      overflow:hidden;
      margin:0 0 8px;
      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:13px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }

    .footer{
      color:#d8e1f0;
      background:#101a2d;
      border-top:4px solid var(--primary);
    }
    .footer .container{padding-top:56px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr repeat(3,1fr);
      gap:42px;
      padding-bottom:42px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer h3{
      margin:4px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer p{
      margin:15px 0 0;
      color:#9eacc2;
      font-size:14px;
      line-height:1.8;
    }
    .footer-grid>div:not(.footer-brand)>a{
      display:block;
      margin:9px 0;
      color:#aebbd0;
      font-size:14px;
    }
    .footer-grid a:hover{color:#fff}
    .footer-bottom{
      min-height:69px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8898b2;
      border-top:1px solid rgba(255,255,255,.09);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:72px}
      .header-btns{margin-left:auto}
      .video-detail-main .detail-layout{grid-template-columns:minmax(0,1fr) 280px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2/4}
    }
    @media (max-width:820px){
      .topbar .container{padding:8px 0}
      .topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}
      .member-btn{display:none}
      .video-detail-main .video-hero{padding:39px 0 36px}
      .video-detail-main .detail-layout{grid-template-columns:1fr}
      .video-detail-main .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .video-detail-main .sidebar .risk-card{grid-column:1/-1}
      .video-detail-main .player-shell{min-height:0}
      .video-detail-main .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid>div:last-child{grid-column:auto}
    }
    @media (max-width:600px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-links{display:grid;gap:2px}
      .logo img{width:38px;height:38px;flex-basis:38px}
      .logo span{max-width:135px;font-size:14px}
      .open-btn{display:none}
      .header-inner{gap:10px}
      .video-detail-main h1{font-size:30px}
      .video-detail-main .video-summary{font-size:15px}
      .video-detail-main .detail-section{padding:28px 0 50px}
      .video-detail-main .player-card{padding:6px;border-radius:14px}
      .video-detail-main .player-shell{border-radius:10px}
      .video-detail-main .player-caption{
        align-items:flex-start;
        flex-direction:column;
        gap:3px;
      }
      .video-detail-main .content-card{padding:21px 18px;border-radius:15px}
      .video-detail-main .sidebar{grid-template-columns:1fr}
      .video-detail-main .sidebar .risk-card{grid-column:auto}
      .video-detail-main .related-section{padding:48px 0}
      .video-detail-main .section-head{align-items:flex-start;flex-direction:column}
      .video-detail-main .section-head h2{font-size:25px}
      .video-detail-main .related-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:17px 0;
      }
    }