:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --magenta:#C2185B;
      --magenta-dark:#941346;
      --ink:#172033;
      --muted:#667085;
      --line:#E4E7EC;
      --surface:#F5F6F8;
      --white:#FFFFFF;
      --shadow:0 12px 32px rgba(16,24,40,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--white);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.6}
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{color:#EAF0FA;background:#082F70;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar a:hover{color:#FFFFFF}

    .header{position:relative;z-index:50;background:#FFFFFF;border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:26px}
    .logo{min-width:0;display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--theme)}
    .logo img{width:42px;height:42px;object-fit:contain}
    .logo span{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .main-nav{height:100%;margin-left:auto}
    .nav-list{height:100%;display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
    .nav-item{height:100%;display:flex;align-items:center;position:relative}
    .nav-link{height:100%;display:flex;align-items:center;gap:6px;padding:0 12px;font-size:15px;font-weight:600;color:#344054}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow::after{content:"";width:6px;height:6px;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%;visibility:hidden;opacity:0;transform:translateY(8px);pointer-events:none;transition:.18s ease;background:#FFFFFF;border:1px solid var(--line);box-shadow:var(--shadow)}
    .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;transform:translateY(0);pointer-events:auto}
    .dropdown-panel{left:0;width:310px;padding:16px}
    .dropdown-panel::before,.mega-menu::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:8px}
    .dropdown-title{display:block;margin-bottom:10px;color:#101828;font-size:14px;font-weight:800}
    .dropdown-panel>a:not(.dropdown-main){display:block;padding:9px 8px;border-radius:4px;color:#475467;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .dropdown-panel>a:not(.dropdown-main):hover{color:var(--theme);background:#F2F6FC}
    .dropdown-main,.mega-footer{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding:11px 12px;color:#FFFFFF;background:var(--theme);font-size:14px;font-weight:700}
    .mega-menu{right:-250px;width:min(900px,calc(100vw - 48px));padding:20px}
    .mega-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
    .mega-head strong{font-size:17px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
    .mega-card{min-width:0;padding:12px;border:1px solid #EAECF0;background:#FFFFFF;transition:.18s ease}
    .mega-card:hover{border-color:#B8C9E5;box-shadow:0 7px 18px rgba(11,61,145,.09);transform:translateY(-2px)}
    .mega-card-top{display:flex;align-items:center;gap:10px;min-width:0}
    .mega-card-top img{width:42px;height:42px;flex:0 0 42px;object-fit:contain;border-radius:4px;background:#F5F7FA}
    .mega-card-top div,.mega-card-top strong{min-width:0}
    .mega-card strong{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card p{display:-webkit-box;overflow:hidden;margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .mega-rating{display:block;color:#C2185B;font-size:12px}
    .mega-meta{display:flex;flex-wrap:wrap;gap:5px 9px;margin-top:9px;color:#667085;font-size:11px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
    .mega-categories a{padding:6px 10px;color:#344054;background:#F2F4F7;border-radius:3px;font-size:12px}
    .mega-categories a:hover{color:#FFFFFF;background:var(--theme)}
    .mega-video-card{display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px}
    .mega-video-card>img{width:92px;height:68px;object-fit:cover}
    .mega-video-copy{min-width:0}
    .mega-video-copy p{margin:4px 0}
    .mega-video-duration{color:var(--magenta);font-size:11px}
    .mega-footer{justify-content:center}
    .mega-footer:hover,.dropdown-main:hover{background:#082F70}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-entry{display:flex;align-items:center;color:var(--theme);font-size:14px;font-weight:700}
    .account-entry{padding:9px 15px;color:#FFFFFF;background:var(--theme);border-radius:4px;font-size:14px;font-weight:700}
    .account-entry:hover{background:#082F70}
    .hamburger{display:none;width:42px;height:42px;padding:10px;border:1px solid var(--line);background:#FFFFFF;border-radius:4px}
    .hamburger span{display:block;width:20px;height:2px;margin:4px auto;background:#101828;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;z-index:80;inset:0;visibility:hidden;opacity:0;background:rgba(16,24,40,.52);transition:.22s ease}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;z-index:90;top:0;right:0;width:min(390px,90vw);height:100vh;overflow-y:auto;background:#FFFFFF;transform:translateX(100%);transition:.25s ease}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{min-height:72px;display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
    .drawer-head>a{color:var(--theme);font-weight:700}
    .drawer-close{width:38px;height:38px;margin-left:auto;border:0;color:#344054;background:#F2F4F7;border-radius:4px;font-size:27px;line-height:1}
    .drawer-menu{padding:10px 18px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border:0;border-bottom:1px solid var(--line);color:#101828;background:#FFFFFF;text-align:left;font-weight:700}
    .drawer-toggle::after{content:"+";color:var(--theme);font-size:20px;font-weight:400}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{display:none;padding:7px 0 10px 14px;border-bottom:1px solid var(--line)}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px;color:#667085;font-size:14px}
    .drawer-submenu a:hover{color:var(--theme)}

    .video-page{background:var(--surface)}
    .video-page .video-heading{padding:64px 0 34px;background:#FFFFFF;border-bottom:1px solid var(--line)}
    .video-page .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;color:#667085;font-size:14px}
    .video-page .breadcrumb a:hover{color:var(--theme)}
    .video-page .heading-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px}
    .video-page .heading-copy{max-width:760px}
    .video-page .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--magenta);font-size:13px;font-weight:800}
    .video-page .eyebrow::before{content:"";width:22px;height:3px;background:var(--magenta)}
    .video-page h1{margin:0;color:#101828;font-size:clamp(34px,5vw,58px);line-height:1.12;letter-spacing:0}
    .video-page .heading-copy p{max-width:680px;margin:16px 0 0;color:#667085;font-size:17px}
    .video-page .heading-stat{flex:0 0 auto;padding:14px 18px;border-left:3px solid var(--magenta);background:#F9FAFB;color:#475467;font-size:14px}
    .video-page .heading-stat strong{display:block;color:var(--theme);font-size:22px}

    .video-page .category-band{padding:20px 0;background:#FFFFFF;border-bottom:1px solid var(--line)}
    .video-page .category-list{display:flex;align-items:center;gap:9px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}
    .video-page .category-label{flex:0 0 auto;margin-right:5px;color:#344054;font-weight:800}
    .video-page .category-list a{flex:0 0 auto;padding:8px 13px;border:1px solid #D0D5DD;color:#475467;background:#FFFFFF;border-radius:4px;font-size:14px}
    .video-page .category-list a:hover,.video-page .category-list a:focus{color:#FFFFFF;border-color:var(--magenta);background:var(--magenta)}

    .video-page .video-content{padding:42px 0 72px}
    .video-page .section-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
    .video-page .section-bar h2{margin:0;color:#101828;font-size:25px;letter-spacing:0}
    .video-page .section-bar p{margin:0;color:#667085;font-size:14px}
    .video-page .video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
    .video-page .video-card{min-width:0;overflow:hidden;border:1px solid #EAECF0;background:#FFFFFF;border-radius:6px;box-shadow:0 3px 12px rgba(16,24,40,.04);transition:.2s ease}
    .video-page .video-card:hover{border-color:#D4A0B8;box-shadow:var(--shadow);transform:translateY(-4px)}
    .video-page .video-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:#DDE2EA}
    .video-page .video-cover img{width:100%;height:100%;object-fit:cover;transition:.3s ease}
    .video-page .video-card:hover .video-cover img{transform:scale(1.035)}
    .video-page .play-mark{position:absolute;left:16px;bottom:14px;width:42px;height:42px;display:grid;place-items:center;color:#FFFFFF;background:var(--magenta);border:3px solid rgba(255,255,255,.8);border-radius:50%;box-shadow:0 4px 14px rgba(0,0,0,.22)}
    .video-page .play-mark::after{content:"";margin-left:3px;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid currentColor}
    .video-page .duration{position:absolute;right:10px;bottom:10px;padding:3px 7px;color:#FFFFFF;background:rgba(16,24,40,.82);border-radius:3px;font-size:12px}
    .video-page .video-body{padding:18px}
    .video-page .video-kicker{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px;color:var(--magenta);font-size:12px;font-weight:800}
    .video-page .video-card h3{display:-webkit-box;overflow:hidden;margin:0;color:#101828;font-size:18px;line-height:1.45;letter-spacing:0;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .video-page .video-card h3 a:hover{color:var(--theme)}
    .video-page .video-summary{display:-webkit-box;overflow:hidden;min-height:50px;margin:10px 0 15px;color:#667085;font-size:14px;line-height:1.75;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .video-page .video-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:13px;border-top:1px solid #EAECF0;color:#667085;font-size:12px}
    .video-page .watch-link{color:var(--theme);font-weight:800}
    .video-page .watch-link:hover{color:var(--magenta)}

    .video-page .pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:38px}
    .video-page .pagination a{min-width:40px;height:40px;display:grid;place-items:center;padding:0 12px;border:1px solid #D0D5DD;color:#475467;background:#FFFFFF;border-radius:4px;font-size:14px}
    .video-page .pagination a:hover,.video-page .pagination a.active,.video-page .pagination a.current{color:#FFFFFF;border-color:var(--theme);background:var(--theme)}
    .video-page .video-note{margin-top:38px;padding:23px 26px;border-left:4px solid var(--magenta);background:#FFFFFF}
    .video-page .video-note strong{display:block;margin-bottom:5px;color:#101828}
    .video-page .video-note p{margin:0;color:#667085;font-size:14px}

    .footer{color:#D8E1EF;background:#101828}
    .footer-main{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:44px;padding-top:58px;padding-bottom:44px}
    .footer .logo{color:#FFFFFF}
    .footer-brand p{margin:18px 0;color:#98A2B3;font-size:14px}
    .footer-social{display:flex;flex-wrap:wrap;gap:14px}
    .footer-social a{color:#C7D7EE;font-size:13px}
    .footer h2{margin:4px 0 16px;color:#FFFFFF;font-size:16px}
    .footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px}
    .footer-links a,.footer-contact,.footer-contact a{color:#98A2B3;font-size:14px}
    .footer a:hover{color:#FFFFFF}
    .footer-bottom{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #344054;color:#98A2B3;font-size:13px}
    .footer-bottom-links{display:flex;gap:18px}

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{height:70px}
      .header-btns{margin-left:auto}
      .video-page .video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{min-height:48px;align-items:flex-start;flex-direction:column;justify-content:center;gap:1px;padding:7px 0}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .topbar-welcome{display:none}
      .header-btns .member-entry,.account-entry{display:none}
      .logo span{max-width:145px}
      .video-page .video-heading{padding:42px 0 26px}
      .video-page .heading-row{align-items:flex-start;flex-direction:column}
      .video-page h1{font-size:36px}
      .video-page .heading-copy p{font-size:15px}
      .video-page .heading-stat{width:100%}
      .video-page .video-content{padding:30px 0 52px}
      .video-page .section-bar{align-items:flex-start;flex-direction:column;gap:5px}
      .video-page .video-grid{grid-template-columns:1fr}
      .video-page .video-summary{min-height:0}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-top:42px}
      .footer-bottom{align-items:flex-start;flex-direction:column;padding:20px 0}
    }