/* roulang page: index */
:root{
      --primary:#6d28d9;
      --primary-2:#8b5cf6;
      --primary-dark:#4c1d95;
      --accent:#f59e0b;
      --accent-soft:#fff4d6;
      --danger:#ef4444;
      --bg:#f7f4ff;
      --surface:#ffffff;
      --surface-2:#fbfaff;
      --ink:#17112a;
      --muted:#6f6680;
      --soft:#a79ab9;
      --line:#e6def5;
      --line-strong:#d7c8ef;
      --radius-xs:10px;
      --radius-sm:16px;
      --radius-md:24px;
      --radius-lg:34px;
      --shadow-sm:0 10px 28px rgba(76,29,149,.08);
      --shadow-md:0 18px 48px rgba(76,29,149,.13);
      --shadow-lg:0 30px 80px rgba(76,29,149,.18);
      --container:1160px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(139,92,246,.17), transparent 28%),
        radial-gradient(circle at 92% 20%, rgba(245,158,11,.13), transparent 24%),
        linear-gradient(180deg,#fff 0%,var(--bg) 46%,#fff 100%);
      line-height:1.72;
      letter-spacing:.01em;
      padding-bottom:86px;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid rgba(139,92,246,.36);
      outline-offset:3px;
      border-radius:12px;
    }
    ::selection{background:rgba(109,40,217,.18);color:var(--primary-dark)}
    .container-fluid-custom,.site-container{
      width:min(var(--container), calc(100% - 36px));
      margin-inline:auto;
    }
    .section-pad{padding:82px 0}
    .section-pad-sm{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(109,40,217,.08);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:800;
      border:1px solid rgba(109,40,217,.13);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--accent),#ffce5a);
      box-shadow:0 0 0 5px rgba(245,158,11,.13);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:30px;
    }
    .section-title{
      font-size:clamp(28px,3.3vw,46px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:950;
      margin:14px 0 10px;
    }
    .section-desc{
      color:var(--muted);
      max-width:720px;
      margin:0;
      font-size:16px;
    }
    .text-gradient{
      background:linear-gradient(135deg,var(--primary-dark),var(--primary-2) 62%,var(--accent));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1050;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(20px);
      border-bottom:1px solid rgba(230,222,245,.75);
    }
    .navbar{padding:14px 0}
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:950;
      letter-spacing:-.02em;
      color:var(--primary-dark);
    }
    .brand-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(109,40,217,.24);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-icon:after{
      content:"";
      position:absolute;inset:auto -20% -26% 22%;
      height:28px;
      background:rgba(255,255,255,.22);
      transform:rotate(-18deg);
      border-radius:999px;
    }
    .brand-text{
      max-width:360px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:18px;
    }
    .nav-pill{
      display:flex;
      align-items:center;
      gap:8px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      padding:5px;
      box-shadow:var(--shadow-sm);
    }
    .nav-link-custom{
      padding:9px 15px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      font-size:15px;
    }
    .nav-link-custom.active,.nav-link-custom:hover{
      color:var(--primary-dark);
      background:rgba(109,40,217,.09);
    }
    .lang-switch{
      display:flex;
      align-items:center;
      gap:4px;
      padding:5px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#fbfaff);
      border-radius:999px;
      margin-left:12px;
    }
    .lang-switch span{
      padding:7px 10px;
      border-radius:999px;
      color:var(--muted);
      font-size:13px;
      font-weight:850;
      line-height:1;
    }
    .lang-switch .on{
      background:var(--primary-dark);
      color:#fff;
      box-shadow:0 8px 18px rgba(76,29,149,.18);
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
    }

    .btn-main,.btn-soft,.btn-darkline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 20px;
      font-weight:900;
      line-height:1;
      transition:var(--ease);
      border:1px solid transparent;
      min-height:48px;
      white-space:nowrap;
    }
    .btn-main{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 34px rgba(109,40,217,.26);
    }
    .btn-main:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 48px rgba(109,40,217,.32);
    }
    .btn-soft{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--line);
      box-shadow:var(--shadow-sm);
    }
    .btn-soft:hover{
      background:rgba(109,40,217,.07);
      border-color:var(--line-strong);
      transform:translateY(-2px);
      color:var(--primary-dark);
    }
    .btn-darkline{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.18);
    }
    .btn-darkline:hover{
      color:#fff;
      background:rgba(255,255,255,.15);
      transform:translateY(-2px);
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding:70px 0 86px;
      background:
        linear-gradient(112deg, rgba(76,29,149,.05) 0%, rgba(139,92,246,.08) 46%, rgba(245,158,11,.08) 100%);
    }
    .hero:before{
      content:"";
      position:absolute;
      left:-10%;
      right:-10%;
      bottom:-84px;
      height:170px;
      background:#fff;
      transform:skewY(-3.2deg);
      transform-origin:left top;
      box-shadow:0 -20px 55px rgba(76,29,149,.04);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr minmax(360px,520px) 1fr;
      align-items:center;
      gap:28px;
    }
    .hero-copy h1{
      font-size:clamp(38px,5vw,70px);
      line-height:1.02;
      letter-spacing:-.06em;
      font-weight:1000;
      margin:16px 0 18px;
    }
    .hero-copy p{
      color:var(--muted);
      font-size:18px;
      margin:0;
      max-width:430px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-bullets{
      display:grid;
      gap:14px;
    }
    .value-note{
      position:relative;
      padding:18px 18px 18px 20px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(230,222,245,.9);
      border-radius:var(--radius-sm);
      box-shadow:var(--shadow-sm);
    }
    .value-note strong{
      display:block;
      font-size:17px;
      margin-bottom:4px;
      color:var(--ink);
    }
    .value-note span{
      color:var(--muted);
      font-size:14px;
    }
    .value-note:before{
      content:"";
      width:8px;
      height:38px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--accent),var(--primary-2));
      position:absolute;
      left:-1px;
      top:20px;
    }
    .stage{
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 20% 20%,rgba(255,255,255,.34),transparent 28%),
        linear-gradient(145deg,#201333 0%,#5b21b6 52%,#9f7aea 100%);
      padding:18px;
      box-shadow:var(--shadow-lg);
      border:1px solid rgba(255,255,255,.38);
      transform:translateY(8px);
    }
    .stage-screen{
      min-height:378px;
      border-radius:28px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.02)),
        radial-gradient(circle at 50% 42%,rgba(245,158,11,.28),transparent 24%),
        #120a21;
      overflow:hidden;
      position:relative;
      padding:22px;
      color:#fff;
    }
    .stage-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      position:relative;
      z-index:2;
    }
    .stage-dots{display:flex;gap:7px}
    .stage-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.34)}
    .stage-chip{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      font-size:12px;
      font-weight:800;
    }
    .play-orb{
      position:absolute;
      inset:0;
      margin:auto;
      width:132px;height:132px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      box-shadow:0 22px 70px rgba(0,0,0,.28);
      backdrop-filter:blur(10px);
    }
    .play-orb:after{
      content:"";
      width:0;height:0;
      border-top:21px solid transparent;
      border-bottom:21px solid transparent;
      border-left:32px solid #fff;
      margin-left:8px;
      filter:drop-shadow(0 8px 15px rgba(0,0,0,.24));
    }
    .stage-list{
      position:absolute;
      left:22px;right:22px;bottom:22px;
      display:grid;
      gap:10px;
      z-index:2;
    }
    .stage-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
    }
    .stage-row span{font-size:13px;color:rgba(255,255,255,.78)}
    .stage-row b{font-size:14px}
    .mini-stat{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:18px;
    }
    .mini-stat .item{
      padding:13px 10px;
      border-radius:16px;
      background:rgba(255,255,255,.75);
      border:1px solid var(--line);
      text-align:center;
      box-shadow:var(--shadow-sm);
    }
    .mini-stat b{display:block;font-size:19px;color:var(--primary-dark);line-height:1.1}
    .mini-stat span{font-size:12px;color:var(--muted);font-weight:700}

    .band{background:#fff}
    .band-alt{
      background:
        linear-gradient(180deg,rgba(247,244,255,.7),#fff);
      border-top:1px solid rgba(230,222,245,.65);
      border-bottom:1px solid rgba(230,222,245,.65);
    }
    .track-wrap{
      display:grid;
      grid-template-columns:290px 1fr;
      gap:20px;
      align-items:stretch;
    }
    .track-index{
      padding:24px;
      border-radius:var(--radius-md);
      background:var(--primary-dark);
      color:#fff;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .track-index:after{
      content:"";
      position:absolute;
      width:190px;height:190px;border-radius:50%;
      right:-80px;bottom:-80px;
      background:rgba(255,255,255,.1);
    }
    .track-index h3{font-weight:950;margin-bottom:12px}
    .track-index p{color:rgba(255,255,255,.72);margin-bottom:20px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      color:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.15);
      font-size:13px;
      font-weight:800;
    }
    .rail{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:4px 4px 14px;
      scrollbar-width:thin;
      scrollbar-color:var(--line-strong) transparent;
    }
    .rail-card{
      min-width:246px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .rail-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:var(--line-strong);
    }
    .cover-shape{
      height:136px;
      border-radius:18px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 32% 24%,rgba(255,255,255,.5),transparent 20%),
        linear-gradient(135deg,var(--primary),#2e1065);
      margin-bottom:14px;
    }
    .cover-shape.gold{background:linear-gradient(135deg,#f59e0b,#7c2d12)}
    .cover-shape.pink{background:linear-gradient(135deg,#be185d,#6d28d9)}
    .cover-shape.teal{background:linear-gradient(135deg,#0f766e,#312e81)}
    .cover-shape:before{
      content:"";
      position:absolute;
      width:120px;height:120px;border-radius:30px;
      right:-28px;bottom:-34px;
      background:rgba(255,255,255,.16);
      transform:rotate(16deg);
    }
    .label-live{
      position:absolute;
      left:12px;top:12px;
      padding:6px 9px;
      border-radius:999px;
      background:rgba(0,0,0,.34);
      color:#fff;
      font-size:12px;
      font-weight:900;
      backdrop-filter:blur(8px);
    }
    .rail-card h3,.recommend-card h3,.topic-card h3,.vertical-card h3,.benefit-card h3{
      font-size:18px;
      line-height:1.35;
      margin:0 0 8px;
      font-weight:950;
    }
    .rail-card p,.recommend-card p,.topic-card p,.vertical-card p,.benefit-card p{
      color:var(--muted);
      margin:0;
      font-size:14px;
    }

    .recommend-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .recommend-feature{
      min-height:420px;
      border-radius:var(--radius-lg);
      padding:30px;
      color:#fff;
      background:
        radial-gradient(circle at 78% 18%,rgba(245,158,11,.32),transparent 24%),
        linear-gradient(135deg,#1f1233 0%,#4c1d95 58%,#6d28d9 100%);
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-md);
    }
    .recommend-feature:after{
      content:"";
      position:absolute;
      right:-70px;bottom:-90px;
      width:270px;height:270px;border-radius:50%;
      background:rgba(255,255,255,.08);
    }
    .recommend-feature h2{
      max-width:610px;
      font-size:clamp(30px,3.7vw,52px);
      line-height:1.12;
      font-weight:1000;
      letter-spacing:-.05em;
      margin:18px 0 14px;
      position:relative;
      z-index:1;
    }
    .recommend-feature p{
      max-width:650px;
      color:rgba(255,255,255,.76);
      margin:0 0 28px;
      position:relative;
      z-index:1;
    }
    .heat-bars{
      display:grid;
      gap:13px;
      max-width:560px;
      position:relative;
      z-index:1;
      margin-top:30px;
    }
    .heat-item{
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
    }
    .heat-title{
      display:flex;justify-content:space-between;gap:14px;
      color:#fff;
      font-size:14px;
      font-weight:900;
      margin-bottom:9px;
    }
    .bar{
      height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;
    }
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),#fff0a5)}
    .recommend-side{
      display:grid;
      gap:16px;
    }
    .recommend-card{
      padding:22px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .recommend-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
    .rank{
      display:inline-grid;
      place-items:center;
      width:36px;height:36px;
      border-radius:13px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:950;
      margin-bottom:14px;
    }

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .topic-card{
      grid-column:span 4;
      min-height:220px;
      padding:24px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .topic-card.wide{grid-column:span 8}
    .topic-card:after{
      content:"";
      position:absolute;
      width:130px;height:130px;border-radius:35px;
      right:-50px;bottom:-50px;
      background:rgba(109,40,217,.07);
      transform:rotate(22deg);
    }
    .topic-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:var(--line-strong);
    }
    .topic-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:18px;
      color:var(--primary-dark);
      font-weight:900;
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(109,40,217,.08);
      border:1px solid rgba(109,40,217,.12);
      font-size:12px;
      font-weight:900;
      margin-bottom:13px;
    }

    .vertical-flow{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .vertical-card{
      border-radius:28px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-sm);
      padding:12px;
      transition:var(--ease);
    }
    .vertical-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
    .vertical-cover{
      aspect-ratio:9/14;
      border-radius:22px;
      background:
        radial-gradient(circle at 34% 20%,rgba(255,255,255,.52),transparent 20%),
        linear-gradient(160deg,#2e1065,#7c3aed 62%,#f59e0b);
      position:relative;
      overflow:hidden;
      margin-bottom:15px;
    }
    .vertical-cover:before{
      content:"";
      position:absolute;
      inset:auto -20% -14% 25%;
      height:120px;
      background:rgba(255,255,255,.13);
      transform:rotate(-14deg);
      border-radius:32px;
    }
    .vertical-cover .time{
      position:absolute;
      right:12px;bottom:12px;
      padding:6px 9px;
      border-radius:999px;
      background:rgba(0,0,0,.42);
      color:#fff;
      font-size:12px;
      font-weight:900;
    }
    .vertical-card .inner{padding:0 8px 10px}
    .mini-cta{
      display:inline-flex;
      margin-top:12px;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:950;
    }

    .benefit-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:22px;
      align-items:center;
    }
    .member-panel{
      padding:30px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,var(--accent-soft),#fff);
      border:1px solid #f4dfab;
      box-shadow:var(--shadow-sm);
    }
    .member-panel h2{
      font-weight:1000;
      letter-spacing:-.04em;
      font-size:clamp(28px,3.2vw,44px);
      line-height:1.16;
      margin:14px 0 12px;
    }
    .member-panel p{color:var(--muted);margin:0 0 22px}
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .benefit-card{
      padding:22px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .icon-box{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:950;
      margin-bottom:14px;
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:22px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:110px 1fr auto;
      align-items:center;
      gap:18px;
      padding:19px 22px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--surface-2)}
    .news-date{
      color:var(--primary-dark);
      font-weight:950;
      font-size:14px;
    }
    .news-item a{
      font-size:17px;
      font-weight:950;
      color:var(--ink);
    }
    .news-item a:hover{color:var(--primary)}
    .news-item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .arrow{
      width:36px;height:36px;border-radius:999px;
      display:grid;place-items:center;
      background:rgba(109,40,217,.08);
      color:var(--primary-dark);
      font-weight:950;
    }
    .news-aside{
      padding:24px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      position:sticky;
      top:92px;
    }
    .aside-line{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:13px 0;
      border-bottom:1px dashed var(--line-strong);
      font-weight:850;
    }
    .aside-line:last-child{border-bottom:0}
    .aside-line span{color:var(--muted);font-weight:800}

    .related-rail{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      padding:24px;
      border-radius:var(--radius-md);
      background:
        linear-gradient(180deg,#fff,#fbfaff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .related-card h3{font-weight:950;font-size:20px;margin:12px 0 8px}
    .related-card p{color:var(--muted);margin:0 0 14px}
    .related-card .small-link{font-weight:950;color:var(--primary-dark)}

    .cta-section{
      padding:86px 0 94px;
      background:
        radial-gradient(circle at 15% 20%,rgba(245,158,11,.18),transparent 22%),
        radial-gradient(circle at 90% 20%,rgba(139,92,246,.22),transparent 24%),
        linear-gradient(135deg,#1c1230,#4c1d95 62%,#6d28d9);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .cta-section:before{
      content:"";
      position:absolute;
      left:-10%;right:-10%;top:-86px;height:150px;
      background:#fff;
      transform:skewY(-3deg);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:34px;
      align-items:center;
    }
    .cta-section h2{
      font-size:clamp(32px,4vw,56px);
      line-height:1.1;
      font-weight:1000;
      letter-spacing:-.05em;
      margin:16px 0 14px;
    }
    .cta-section p{color:rgba(255,255,255,.75);max-width:720px;margin:0}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .faq-box{
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      border-radius:var(--radius-md);
      padding:10px;
      backdrop-filter:blur(12px);
    }
    .accordion-item{
      background:transparent;
      border:0;
      border-bottom:1px solid rgba(255,255,255,.14);
      color:#fff;
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{
      background:transparent!important;
      color:#fff!important;
      box-shadow:none!important;
      font-weight:950;
      padding:17px 14px;
      border-radius:16px!important;
    }
    .accordion-button:after{filter:invert(1) grayscale(1) brightness(2)}
    .accordion-body{
      color:rgba(255,255,255,.72);
      padding:0 14px 18px;
      font-size:14px;
    }

    .site-footer{
      background:#11091e;
      color:rgba(255,255,255,.74);
      padding:42px 0;
    }
    .footer-grid{
      display:flex;
      justify-content:space-between;
      gap:30px;
      align-items:flex-start;
      flex-wrap:wrap;
    }
    .footer-brand{
      color:#fff;
      font-weight:1000;
      font-size:18px;
      margin-bottom:10px;
    }
    .footer-text{max-width:650px;margin:0;color:rgba(255,255,255,.62)}
    .footer-links{display:flex;gap:12px;flex-wrap:wrap}
    .footer-links a{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
      color:rgba(255,255,255,.76);
      font-weight:800;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.11)}
    .copyright{
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      color:rgba(255,255,255,.5);
      font-size:14px;
    }

    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:16px;
      transform:translateX(-50%);
      z-index:1060;
      width:min(980px,calc(100% - 26px));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 14px 12px 18px;
      border-radius:24px;
      background:rgba(23,17,42,.9);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 22px 58px rgba(20,10,38,.28);
      backdrop-filter:blur(18px);
    }
    .fixed-cta strong{display:block;font-weight:950;line-height:1.2}
    .fixed-cta span{font-size:13px;color:rgba(255,255,255,.68)}
    .fixed-cta .actions{display:flex;gap:10px;flex:0 0 auto}
    .fixed-cta .btn-main{min-height:42px;padding:11px 16px}
    .fixed-cta .btn-darkline{min-height:42px;padding:11px 16px}

    @media (max-width:1024px){
      :root{--container:930px}
      .hero-grid{grid-template-columns:1fr;gap:22px}
      .hero-bullets{grid-template-columns:repeat(3,1fr)}
      .stage{max-width:620px;margin-inline:auto;width:100%}
      .track-wrap,.recommend-layout,.benefit-wrap,.news-layout,.cta-grid{grid-template-columns:1fr}
      .news-aside{position:static}
      .topic-card,.topic-card.wide{grid-column:span 6}
      .vertical-flow{grid-template-columns:repeat(2,1fr)}
      .related-rail{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:112px}
      .site-container,.container-fluid-custom{width:min(100% - 26px,var(--container))}
      .section-pad{padding:62px 0}
      .section-head{display:block}
      .brand-text{max-width:230px;font-size:16px}
      .nav-pill{margin-top:12px;align-items:stretch;border-radius:20px;box-shadow:none;display:grid}
      .nav-link-custom{border-radius:14px}
      .lang-switch{margin:12px 0 0;max-width:max-content}
      .hero{padding:46px 0 68px}
      .hero-copy p{font-size:16px}
      .hero-bullets{grid-template-columns:1fr}
      .stage-screen{min-height:330px}
      .mini-stat{grid-template-columns:1fr 1fr 1fr}
      .track-index{min-height:auto}
      .topic-card,.topic-card.wide{grid-column:span 12}
      .benefit-grid{grid-template-columns:1fr}
      .news-item{
        grid-template-columns:1fr auto;
        gap:10px;
      }
      .news-date{grid-column:1/-1}
      .related-rail{grid-template-columns:1fr}
      .fixed-cta{
        align-items:stretch;
        flex-direction:column;
        border-radius:22px;
      }
      .fixed-cta .actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .brand-icon{width:38px;height:38px;border-radius:13px}
      .brand-text{max-width:186px}
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
      .btn-main,.btn-soft,.btn-darkline{width:100%}
      .stage{padding:10px;border-radius:24px}
      .stage-screen{border-radius:20px;padding:16px}
      .play-orb{width:104px;height:104px}
      .play-orb:after{
        border-top-width:17px;
        border-bottom-width:17px;
        border-left-width:26px;
      }
      .stage-row{padding:10px}
      .mini-stat{grid-template-columns:1fr}
      .vertical-flow{grid-template-columns:1fr}
      .recommend-feature{padding:22px;min-height:360px}
      .news-item{padding:17px}
      .fixed-cta .actions{grid-template-columns:1fr}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}