/* roulang page: index */
:root{
      --primary:#2f80ed;
      --primary-dark:#1769d6;
      --primary-soft:#eaf4ff;
      --accent:#58c7f3;
      --ink:#102033;
      --muted:#5d6f84;
      --weak:#8795a7;
      --line:#dbe7f3;
      --bg:#f6faff;
      --card:#ffffff;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow-soft:0 18px 50px rgba(21,78,140,.12);
      --shadow-card:0 14px 34px rgba(15,67,125,.10);
      --nav-width:104px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{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 top right, rgba(47,128,237,.12), transparent 32rem),
        linear-gradient(180deg,#f8fbff 0%,#f3f8ff 42%,#ffffff 100%);
      line-height:1.65;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }

    a{color:inherit;text-decoration:none}
    img,video,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(47,128,237,.18);color:#0b2345}

    .page-shell{min-height:100vh}
    .content-wrap{margin-left:var(--nav-width)}
    .container-x{width:min(1180px, calc(100% - 48px));margin-inline:auto}
    .section-pad{padding:86px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(47,128,237,.18);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--primary-dark);
      font-weight:700;
      font-size:13px;
      box-shadow:0 8px 24px rgba(47,128,237,.08);
    }
    .eyebrow-dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 0 5px rgba(47,128,237,.12);
    }
    .section-title{
      margin:14px 0 12px;
      font-size:clamp(28px,3vw,44px);
      line-height:1.12;
      letter-spacing:-.03em;
      font-weight:900;
      color:var(--ink);
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
    }

    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--nav-width);
      z-index:50;
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:24px 14px;
      background:rgba(255,255,255,.82);
      border-right:1px solid rgba(219,231,243,.86);
      backdrop-filter:blur(22px);
      box-shadow:10px 0 32px rgba(15,67,125,.06);
    }
    .brand-mark{
      width:64px;height:64px;
      display:grid;place-items:center;
      border-radius:22px;
      background:linear-gradient(145deg,#ffffff,#e8f4ff);
      border:1px solid rgba(47,128,237,.16);
      box-shadow:var(--shadow-card);
      color:var(--primary-dark);
      font-weight:950;
      letter-spacing:-.08em;
      transition:transform .25s var(--ease), box-shadow .25s var(--ease);
    }
    .brand-mark:hover{transform:translateY(-2px) rotate(-2deg);box-shadow:0 18px 38px rgba(47,128,237,.18)}
    .nav-label{
      writing-mode:vertical-rl;
      letter-spacing:.18em;
      margin-top:10px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .nav-links{
      margin-top:56px;
      display:flex;
      flex-direction:column;
      gap:14px;
      width:100%;
      align-items:center;
    }
    .nav-item{
      width:70px;
      min-height:72px;
      border-radius:24px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:7px;
      color:var(--muted);
      border:1px solid transparent;
      transition:all .24s var(--ease);
      outline:none;
    }
    .nav-item .icon{
      width:30px;height:30px;
      border-radius:12px;
      display:grid;place-items:center;
      background:#f1f7ff;
      color:var(--primary);
      transition:all .24s var(--ease);
    }
    .nav-item span{font-size:12px;font-weight:800}
    .nav-item:hover,.nav-item:focus-visible{
      background:#fff;
      color:var(--primary-dark);
      border-color:rgba(47,128,237,.16);
      box-shadow:0 12px 28px rgba(47,128,237,.10);
    }
    .nav-item.active{
      background:linear-gradient(180deg,#ffffff,#edf6ff);
      color:var(--primary-dark);
      border-color:rgba(47,128,237,.22);
      box-shadow:0 14px 30px rgba(47,128,237,.14);
    }
    .nav-item.active .icon{
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
    }
    .nav-foot{
      margin-top:auto;
      width:70px;
      padding:12px 8px;
      border-radius:20px;
      text-align:center;
      background:#f5f9ff;
      color:var(--weak);
      font-size:11px;
      line-height:1.4;
      border:1px solid rgba(219,231,243,.8);
    }

    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.88);
      border-bottom:1px solid rgba(219,231,243,.86);
      backdrop-filter:blur(18px);
    }
    .mobile-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:950;
      color:var(--primary-dark);
    }
    .mobile-brand-badge{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(145deg,#ffffff,#e8f4ff);
      border:1px solid rgba(47,128,237,.18);
      box-shadow:0 8px 18px rgba(47,128,237,.10);
      letter-spacing:-.08em;
    }

    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:flex-end;
      overflow:hidden;
      isolation:isolate;
      background:#0b2345;
    }
    .hero-video{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.58;
      filter:saturate(1.08) contrast(1.05);
      z-index:-3;
    }
    .hero-fallback{
      position:absolute;
      inset:0;
      z-index:-4;
      background:
        radial-gradient(circle at 72% 30%, rgba(88,199,243,.7), transparent 24rem),
        linear-gradient(135deg,#0b2345 0%,#1769d6 50%,#dff2ff 100%);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-2;
      background:
        linear-gradient(90deg,rgba(7,25,50,.82) 0%,rgba(10,35,68,.62) 45%,rgba(14,75,135,.28) 100%),
        linear-gradient(180deg,rgba(6,19,38,.22) 0%,rgba(6,19,38,.74) 100%);
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:210px;
      z-index:-1;
      background:linear-gradient(180deg,transparent,#f6faff 95%);
    }
    .hero-panel{
      width:min(1180px, calc(100% - 48px));
      margin:0 auto 54px;
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) 360px;
      gap:28px;
      align-items:end;
    }
    .hero-copy{
      color:#fff;
      padding:34px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.20);
      backdrop-filter:blur(18px);
      box-shadow:0 26px 70px rgba(0,0,0,.22);
    }
    .hero h1{
      margin:18px 0;
      max-width:880px;
      font-size:clamp(36px,5vw,72px);
      line-height:1.04;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-intro{
      max-width:790px;
      color:rgba(255,255,255,.86);
      font-size:clamp(16px,1.5vw,20px);
      line-height:1.8;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible{
      box-shadow:0 0 0 4px rgba(47,128,237,.22), 0 18px 34px rgba(47,128,237,.18);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 16px 32px rgba(47,128,237,.30);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 42px rgba(47,128,237,.36)}
    .btn-light{
      color:#0b2345;
      background:#fff;
      border-color:rgba(255,255,255,.36);
      box-shadow:0 16px 32px rgba(0,0,0,.13);
    }
    .btn-light:hover{transform:translateY(-2px);background:#f1f8ff}
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.26);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.20);transform:translateY(-2px)}
    .play-button{
      width:60px;height:60px;
      display:inline-grid;
      place-items:center;
      border-radius:999px;
      background:#fff;
      color:var(--primary-dark);
      box-shadow:0 18px 42px rgba(0,0,0,.20);
      border:0;
      transition:all .24s var(--ease);
      outline:none;
    }
    .play-button:hover,.play-button:focus-visible{
      transform:scale(1.05);
      box-shadow:0 0 0 8px rgba(255,255,255,.18), 0 22px 48px rgba(0,0,0,.22);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
    }
    .metric-card{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.92);
      color:var(--ink);
      border:1px solid rgba(255,255,255,.66);
      box-shadow:0 18px 42px rgba(0,0,0,.14);
    }
    .metric-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--primary-dark);
      font-weight:950;
    }
    .metric-card span{display:block;margin-top:8px;color:var(--muted);font-weight:650}
    .hero-note{
      margin-top:12px;
      color:rgba(255,255,255,.78);
      font-size:13px;
    }

    .card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(219,231,243,.86);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-card);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(47,128,237,.24);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:850;
      border:1px solid rgba(47,128,237,.14);
    }
    .soft-grid{
      background-image:
        linear-gradient(rgba(47,128,237,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,128,237,.07) 1px, transparent 1px);
      background-size:34px 34px;
      background-position:center;
    }

    .compare-shell{
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(219,231,243,.9);
      box-shadow:var(--shadow-soft);
      background:#fff;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1.05fr 1fr 1fr 1fr;
      border-bottom:1px solid var(--line);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{
      padding:20px;
      min-height:76px;
      display:flex;
      align-items:center;
      color:var(--muted);
      border-right:1px solid var(--line);
    }
    .compare-cell:last-child{border-right:0}
    .compare-head .compare-cell{
      background:linear-gradient(180deg,#f7fbff,#edf6ff);
      color:var(--ink);
      font-weight:900;
    }
    .compare-row .compare-cell:first-child{
      color:var(--ink);
      font-weight:850;
      background:#fbfdff;
    }
    .check{
      display:inline-grid;
      place-items:center;
      width:24px;height:24px;
      border-radius:999px;
      margin-right:10px;
      background:rgba(47,128,237,.12);
      color:var(--primary-dark);
      font-weight:950;
      flex:0 0 auto;
    }

    .plan-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
      align-items:stretch;
    }
    .plan{
      position:relative;
      padding:26px;
      overflow:hidden;
    }
    .plan.featured{
      border-color:rgba(47,128,237,.38);
      background:linear-gradient(180deg,#ffffff 0%,#edf7ff 100%);
      transform:translateY(-8px);
    }
    .plan.featured:hover{transform:translateY(-12px)}
    .plan-price{
      margin:16px 0 6px;
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
      font-weight:950;
      color:var(--primary-dark);
    }
    .plan-list{margin-top:20px;display:grid;gap:12px;color:var(--muted)}
    .plan-list li{display:flex;gap:10px;align-items:flex-start}
    .plan-list li::before{
      content:"";
      width:8px;height:8px;
      margin-top:9px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      flex:0 0 auto;
    }

    .media-scroll{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:8px 4px 22px;
      scroll-snap-type:x mandatory;
    }
    .media-scroll::-webkit-scrollbar{height:8px}
    .media-scroll::-webkit-scrollbar-thumb{background:#cfe4fb;border-radius:999px}
    .media-card{
      min-width:280px;
      scroll-snap-align:start;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(219,231,243,.9);
      box-shadow:0 10px 28px rgba(15,67,125,.08);
    }
    .media-icon{
      width:46px;height:46px;
      border-radius:17px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#eaf4ff,#f7fbff);
      color:var(--primary-dark);
      font-size:22px;
      margin-bottom:18px;
    }

    .security-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .shield-board{
      padding:30px;
      min-height:100%;
      background:
        radial-gradient(circle at 85% 12%, rgba(88,199,243,.22), transparent 18rem),
        linear-gradient(135deg,#0b2345,#1769d6);
      color:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .shield-board::after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-80px;bottom:-90px;
      border-radius:50%;
      border:36px solid rgba(255,255,255,.10);
    }
    .security-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .security-item{padding:22px}
    .security-item b{display:block;margin-bottom:8px;font-size:18px}
    .security-item p{color:var(--muted)}

    .steps{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .step-card{
      padding:24px;
      display:grid;
      grid-template-columns:58px 1fr;
      gap:18px;
      align-items:start;
    }
    .step-num{
      width:58px;height:58px;
      border-radius:21px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      font-weight:950;
      font-size:20px;
      box-shadow:0 14px 28px rgba(47,128,237,.24);
    }
    .objection{
      padding:24px;
      background:#fff;
      border:1px dashed rgba(47,128,237,.34);
      border-radius:var(--radius-md);
    }

    .bubble-wall{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      align-items:start;
    }
    .bubble{
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(219,231,243,.9);
      box-shadow:0 10px 28px rgba(15,67,125,.08);
    }
    .bubble:nth-child(2),.bubble:nth-child(5){margin-top:26px}
    .avatar{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#eaf4ff,#d9edff);
      color:var(--primary-dark);
      font-weight:950;
      flex:0 0 auto;
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) 360px;
      gap:24px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid rgba(219,231,243,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      padding:22px 24px;
      align-items:center;
      border-bottom:1px solid var(--line);
      transition:background .22s var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f7fbff}
    .news-date{
      color:var(--primary-dark);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{
      margin:0 0 6px;
      font-weight:900;
      font-size:18px;
      color:var(--ink);
    }
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{
      width:36px;height:36px;
      border-radius:999px;
      display:grid;place-items:center;
      background:#f1f7ff;
      color:var(--primary-dark);
      transition:all .22s var(--ease);
    }
    .news-item:hover .arrow{transform:translateX(3px);background:var(--primary);color:#fff}
    .recommend-box{
      padding:26px;
      position:sticky;
      top:28px;
    }
    .recommend-box ul{display:grid;gap:14px;margin-top:18px}
    .recommend-box li{
      display:flex;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
      color:var(--muted);
    }
    .recommend-box li:last-child{border-bottom:0;padding-bottom:0}
    .rank{
      width:28px;height:28px;
      border-radius:10px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:950;
      flex:0 0 auto;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:34px;
      background:
        radial-gradient(circle at 90% 10%, rgba(88,199,243,.26), transparent 22rem),
        linear-gradient(135deg,#0b2345,#1769d6);
      color:#fff;
      box-shadow:0 24px 72px rgba(23,105,214,.26);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      width:280px;height:280px;
      border-radius:50%;
      left:-130px;bottom:-150px;
      background:rgba(255,255,255,.08);
    }
    .cta-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 440px;
      gap:28px;
      align-items:center;
    }
    .form-card{
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.96);
      color:var(--ink);
      box-shadow:0 18px 46px rgba(0,0,0,.18);
    }
    .form-grid{display:grid;gap:12px}
    .field label{
      display:block;
      margin-bottom:6px;
      font-size:13px;
      color:var(--muted);
      font-weight:800;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      background:#f9fcff;
      border-radius:16px;
      padding:12px 14px;
      color:var(--ink);
      outline:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(47,128,237,.55);
      background:#fff;
      box-shadow:0 0 0 4px rgba(47,128,237,.12);
    }
    .form-tip{
      display:none;
      margin-top:12px;
      padding:12px 14px;
      border-radius:16px;
      background:#edf8ff;
      color:var(--primary-dark);
      font-weight:750;
      border:1px solid rgba(47,128,237,.18);
    }
    .form-tip.show{display:block}

    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
      margin:30px auto 0;
    }
    details{
      border:1px solid rgba(219,231,243,.9);
      border-radius:22px;
      background:#fff;
      box-shadow:0 10px 28px rgba(15,67,125,.07);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:22px 24px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      font-weight:900;
      color:var(--ink);
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:30px;height:30px;
      border-radius:999px;
      display:grid;place-items:center;
      background:#f1f7ff;
      color:var(--primary-dark);
      flex:0 0 auto;
      transition:all .22s var(--ease);
    }
    details[open] summary::after{content:"−";background:var(--primary);color:#fff;transform:rotate(180deg)}
    details p{
      margin:0;
      padding:0 24px 24px;
      color:var(--muted);
    }
    summary:focus-visible{box-shadow:inset 0 0 0 4px rgba(47,128,237,.12)}

    .site-footer{
      margin-left:var(--nav-width);
      padding:52px 0 34px;
      background:#071d38;
      color:rgba(255,255,255,.78);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:start;
    }
    .footer-name{
      color:#fff;
      font-weight:950;
      font-size:24px;
      letter-spacing:-.04em;
      margin-bottom:12px;
    }
    .footer-link{
      display:inline-flex;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      transition:all .22s var(--ease);
    }
    .footer-link:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
    .copyright{
      margin-top:28px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media (max-width: 1100px){
      .hero-panel{grid-template-columns:1fr}
      .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
      .security-grid,.news-layout,.cta-grid{grid-template-columns:1fr}
      .recommend-box{position:static}
      .bubble-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media (max-width: 900px){
      :root{--nav-width:0px}
      .side-nav{display:none}
      .mobile-topbar{display:block}
      .content-wrap,.site-footer{margin-left:0}
      .hero{min-height:760px}
      .section-pad{padding:70px 0}
      .section-tight{padding:54px 0}
      .compare-shell{overflow-x:auto}
      .compare-row{min-width:820px}
      .plan-grid{grid-template-columns:1fr}
      .plan.featured{transform:none}
      .plan.featured:hover{transform:translateY(-4px)}
      .security-list,.steps{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr auto}
      .news-date{grid-column:1 / -1}
    }

    @media (max-width: 640px){
      .container-x,.hero-panel{width:min(100% - 28px, 1180px)}
      .hero{min-height:820px}
      .hero-copy{padding:24px;border-radius:24px}
      .hero-actions{align-items:stretch}
      .btn{width:100%}
      .play-button{width:54px;height:54px}
      .hero-metrics{grid-template-columns:1fr}
      .metric-card{padding:18px}
      .section-title{font-size:30px}
      .bubble-wall{grid-template-columns:1fr}
      .bubble:nth-child(2),.bubble:nth-child(5){margin-top:0}
      .news-item{grid-template-columns:1fr}
      .arrow{display:none}
      .cta-panel{padding:22px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
    }