/* roulang page: index */
:root{
      --bg:#061020;
      --bg-2:#081a35;
      --bg-3:#0d2446;
      --panel:rgba(15,37,70,.72);
      --panel-2:rgba(9,25,50,.82);
      --glass:rgba(255,255,255,.08);
      --glass-strong:rgba(255,255,255,.13);
      --text:#eef6ff;
      --muted:#a9bad4;
      --soft:#d8e8ff;
      --line:rgba(158,190,235,.18);
      --primary:#38bdf8;
      --primary-2:#22d3ee;
      --accent:#8b5cf6;
      --green:#34d399;
      --orange:#f59e0b;
      --red:#fb7185;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --shadow-soft:0 16px 45px rgba(12,48,96,.28);
      --radius:24px;
      --radius-sm:16px;
      --radius-xs:12px;
      --container:1180px;
      --header-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 10%, rgba(56,189,248,.22), transparent 32%),
        radial-gradient(circle at 82% 2%, rgba(139,92,246,.22), transparent 30%),
        linear-gradient(180deg,#061020 0%,#08182f 48%,#050a15 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg,video{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,textarea{outline:none}
    ::selection{background:rgba(56,189,248,.35);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      height:var(--header-h);
      display:flex;align-items:center;
      backdrop-filter:blur(18px);
      background:rgba(5,14,29,.72);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{
      display:flex;align-items:center;gap:12px;
      font-weight:900;letter-spacing:.4px;color:#fff;
      white-space:nowrap;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 30px rgba(56,189,248,.35);
      position:relative;overflow:hidden;
    }
    .logo-mark:before{
      content:"";position:absolute;inset:8px 10px;
      border-left:10px solid #fff;border-top:7px solid transparent;border-bottom:7px solid transparent;
      transform:translateX(4px);
    }
    .logo-text{font-size:18px}
    .nav-right{display:flex;align-items:center;gap:16px}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{
      padding:10px 16px;border-radius:999px;
      color:var(--muted);font-weight:700;font-size:14px;
      transition:all .25s var(--ease);
    }
    .main-nav a:hover,.main-nav a.active{
      color:#fff;background:rgba(56,189,248,.12);
      box-shadow:inset 0 0 0 1px rgba(56,189,248,.24);
    }
    .nav-search{
      width:230px;height:42px;border-radius:999px;
      display:flex;align-items:center;gap:9px;
      padding:0 14px;background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      color:var(--muted);
    }
    .nav-search input{
      width:100%;background:transparent;border:0;color:#fff;font-size:14px;
    }
    .nav-search input::placeholder{color:#7890b0}
    .nav-cta{
      min-height:42px;padding:0 18px;border-radius:999px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#041222;font-weight:900;
      background:linear-gradient(135deg,#67e8f9,#38bdf8 50%,#a78bfa);
      box-shadow:0 0 28px rgba(56,189,248,.32);
      transition:transform .25s var(--ease),box-shadow .25s var(--ease);
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 42px rgba(56,189,248,.48)}
    .menu-btn{
      display:none;width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line);
    }
    .menu-btn span{display:block;width:20px;height:2px;background:#fff;margin:5px auto;border-radius:4px}
    main{position:relative}
    .section{padding:92px 0;position:relative}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:28px;margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:#9eeaff;font-size:13px;font-weight:900;letter-spacing:.08em;
      margin-bottom:12px;
    }
    .section-kicker:before{
      content:"";width:9px;height:9px;border-radius:50%;
      background:var(--primary);box-shadow:0 0 18px var(--primary);
    }
    h1,h2,h3{line-height:1.18;color:#fff}
    h1{font-size:clamp(38px,6vw,76px);letter-spacing:-2.4px}
    h2{font-size:clamp(28px,3.5vw,44px);letter-spacing:-1.2px}
    h3{font-size:20px}
    .section-desc{max-width:670px;color:var(--muted);font-size:16px}
    .hero{
      min-height:calc(100vh - var(--header-h));
      display:flex;align-items:center;overflow:hidden;
      padding:92px 0 74px;
      border-bottom:1px solid var(--line);
    }
    .hero-video{
      position:absolute;inset:0;z-index:-3;overflow:hidden;
      background:
        linear-gradient(115deg,rgba(4,13,31,.94),rgba(5,20,45,.72),rgba(4,13,31,.96)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1400' height='760' viewBox='0 0 1400 760'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%230d4b7b'/%3E%3Cstop offset='.55' stop-color='%230b1830'/%3E%3Cstop offset='1' stop-color='%23332882'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1400' height='760' fill='url(/%23g)'/%3E%3Cg opacity='.18' fill='none' stroke='%23b7ecff'%3E%3Cpath d='M0 110h1400M0 250h1400M0 390h1400M0 530h1400M0 670h1400M120 0v760M310 0v760M500 0v760M690 0v760M880 0v760M1070 0v760M1260 0v760'/%3E%3C/g%3E%3Cg opacity='.3'%3E%3Ccircle cx='1080' cy='210' r='170' fill='%2338bdf8'/%3E%3Ccircle cx='300' cy='580' r='210' fill='%238b5cf6'/%3E%3C/g%3E%3C/svg%3E") center/cover no-repeat;
    }
    .hero-video:before{
      content:"";position:absolute;inset:-20%;
      background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 58px);
      transform:rotate(-8deg);animation:drift 16s linear infinite;
    }
    .hero-video:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(6,16,32,.18),rgba(6,16,32,.9));
    }
    @keyframes drift{to{transform:rotate(-8deg) translateX(58px)}}
    .hero-inner{width:100%;display:grid;grid-template-columns:1.18fr .82fr;gap:54px;align-items:center}
    .hero-copy{max-width:780px}
    .hero-badge{
      display:inline-flex;align-items:center;gap:10px;
      padding:9px 14px;border-radius:999px;
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
      color:#d9f7ff;font-weight:800;font-size:14px;margin-bottom:20px;
      backdrop-filter:blur(16px);
    }
    .pulse-dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 20px #34d399}
    .hero p{font-size:18px;color:#c2d2e8;max-width:760px;margin:22px 0 30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
    .btn{
      min-height:50px;padding:0 22px;border-radius:999px;
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      font-weight:900;letter-spacing:.2px;
      transition:all .25s var(--ease);
      border:1px solid transparent;
    }
    .btn-primary{
      color:#031326;background:linear-gradient(135deg,#67e8f9,#38bdf8 45%,#a78bfa);
      box-shadow:0 0 34px rgba(56,189,248,.38), inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 54px rgba(56,189,248,.55)}
    .btn-ghost{
      color:#e8f7ff;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);
      backdrop-filter:blur(14px);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(56,189,248,.42);transform:translateY(-2px)}
    .btn:focus-visible,.main-nav a:focus-visible,.nav-cta:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(56,189,248,.42);outline-offset:3px;
    }
    .play-panel{
      min-height:430px;border-radius:34px;padding:24px;
      background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.05));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:var(--shadow);
      backdrop-filter:blur(20px);
      position:relative;overflow:hidden;
    }
    .play-panel:before{
      content:"";position:absolute;inset:-2px;
      background:radial-gradient(circle at 70% 20%,rgba(56,189,248,.34),transparent 34%);
      pointer-events:none;
    }
    .stage{
      height:260px;border-radius:26px;overflow:hidden;position:relative;
      background:
        linear-gradient(180deg,rgba(6,18,38,.1),rgba(6,18,38,.8)),
        linear-gradient(135deg,#1e3a8a,#0f172a 52%,#4c1d95);
      border:1px solid rgba(255,255,255,.15);
    }
    .stage:after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:72px;
      background:linear-gradient(0deg,rgba(0,0,0,.72),transparent);
    }
    .play-button{
      position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
      width:76px;height:76px;border-radius:50%;
      background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
      display:grid;place-items:center;backdrop-filter:blur(16px);
      box-shadow:0 0 36px rgba(56,189,248,.38);
      transition:all .25s var(--ease);
    }
    .play-button:hover{transform:translate(-50%,-50%) scale(1.06);background:rgba(56,189,248,.24)}
    .play-button i{
      width:0;height:0;border-top:13px solid transparent;border-bottom:13px solid transparent;border-left:20px solid #fff;margin-left:5px;
    }
    .stage-caption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;display:flex;justify-content:space-between;gap:12px;color:#fff;font-weight:800}
    .signal{display:flex;gap:5px;align-items:flex-end}
    .signal span{width:5px;border-radius:4px;background:#67e8f9;box-shadow:0 0 12px #38bdf8}
    .signal span:nth-child(1){height:13px}.signal span:nth-child(2){height:20px}.signal span:nth-child(3){height:28px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
    .stat{
      padding:16px;border-radius:18px;background:rgba(3,13,29,.45);
      border:1px solid rgba(255,255,255,.12);
    }
    .stat strong{display:block;font-size:24px;color:#fff;line-height:1}
    .stat span{font-size:12px;color:var(--muted);margin-top:8px;display:block}
    .ticker{
      border-block:1px solid var(--line);
      background:rgba(255,255,255,.045);
      backdrop-filter:blur(14px);
      overflow:hidden;
    }
    .ticker-track{
      display:flex;gap:28px;white-space:nowrap;
      padding:13px 0;color:#bfefff;font-size:14px;
      animation:marquee 30s linear infinite;
    }
    .ticker-track span{display:inline-flex;align-items:center;gap:8px}
    .ticker-track span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
    @keyframes marquee{to{transform:translateX(-50%)}}
    .latest-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:26px}
    .lead-news{
      border-radius:var(--radius);overflow:hidden;
      background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-soft);
      display:grid;grid-template-columns:.95fr 1.05fr;min-height:320px;
    }
    .news-art{
      min-height:320px;background:
        linear-gradient(180deg,rgba(7,18,35,.05),rgba(7,18,35,.72)),
        radial-gradient(circle at 24% 25%,rgba(56,189,248,.58),transparent 28%),
        radial-gradient(circle at 78% 40%,rgba(139,92,246,.55),transparent 35%),
        linear-gradient(135deg,#0c2449,#111827);
      position:relative;
    }
    .news-art .badge{position:absolute;left:18px;top:18px}
    .lead-news-content{padding:30px}
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);
      color:#b8f1ff;font-size:12px;font-weight:900;
    }
    .lead-news h3{font-size:28px;margin:18px 0 12px}
    .lead-news p,.card p,.guide-item p,.opinion p,.safe-card p,.app-card p{color:var(--muted)}
    .meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;color:#8fa5c4;font-size:13px}
    .meta span{padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.06)}
    .update-list{
      display:flex;flex-direction:column;gap:12px;
    }
    .update-item{
      padding:18px;border-radius:18px;
      background:rgba(255,255,255,.065);border:1px solid var(--line);
      display:flex;gap:14px;align-items:flex-start;
      transition:all .25s var(--ease);
    }
    .update-item:hover,.card:hover,.guide-item:hover,.safe-card:hover{
      transform:translateY(-4px);border-color:rgba(56,189,248,.34);box-shadow:0 18px 45px rgba(0,0,0,.18)
    }
    .date-chip{
      flex:0 0 58px;height:58px;border-radius:16px;
      display:grid;place-items:center;text-align:center;
      background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(139,92,246,.18));
      border:1px solid rgba(255,255,255,.14);
      color:#fff;font-weight:900;line-height:1.1;
    }
    .date-chip small{display:block;color:#a9bad4;font-size:11px;font-weight:700}
    .update-item h3{font-size:17px;margin-bottom:6px}
    .update-item p{color:var(--muted);font-size:14px;line-height:1.6}
    .answer-shell{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start;
    }
    .answer-card{
      padding:30px;border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(56,189,248,.12),rgba(139,92,246,.09));
      border:1px solid var(--line);box-shadow:var(--shadow-soft);
    }
    .answer-card ul{list-style:none;margin-top:22px;display:grid;gap:12px}
    .answer-card li{
      display:flex;gap:12px;align-items:flex-start;color:#c9d9ee;
      padding:12px;border-radius:16px;background:rgba(255,255,255,.055);
    }
    .check{
      width:22px;height:22px;border-radius:50%;background:rgba(52,211,153,.16);
      color:#6ee7b7;display:grid;place-items:center;flex:0 0 auto;font-weight:900;
    }
    .accordion{display:grid;gap:12px}
    .faq-item{
      border-radius:18px;background:rgba(255,255,255,.065);
      border:1px solid var(--line);overflow:hidden;
    }
    .faq-q{
      width:100%;padding:20px 22px;background:transparent;color:#fff;
      display:flex;justify-content:space-between;gap:18px;text-align:left;
      font-weight:900;
    }
    .faq-q span:last-child{color:#67e8f9;font-size:22px;line-height:1;transition:transform .25s var(--ease)}
    .faq-a{
      max-height:0;overflow:hidden;color:var(--muted);
      transition:max-height .3s var(--ease),padding .3s var(--ease);
      padding:0 22px;
    }
    .faq-item.open .faq-a{max-height:190px;padding:0 22px 20px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .dashboard{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .metric{
      min-height:160px;padding:22px;border-radius:22px;
      background:rgba(255,255,255,.07);border:1px solid var(--line);
      position:relative;overflow:hidden;
    }
    .metric:after{
      content:"";position:absolute;width:130px;height:130px;border-radius:50%;
      right:-60px;top:-60px;background:rgba(56,189,248,.12);
    }
    .metric strong{font-size:34px;display:block;line-height:1;color:#fff;margin:16px 0 8px}
    .metric span{color:var(--muted);font-size:14px}
    .metric .tag{color:#8df2ff;font-weight:900;font-size:12px}
    .guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .guide-item{
      padding:24px;border-radius:var(--radius);
      background:rgba(255,255,255,.065);border:1px solid var(--line);
      display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start;
      transition:all .25s var(--ease);
    }
    .step-no{
      width:58px;height:58px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#041222;font-size:22px;font-weight:1000;
      box-shadow:0 0 24px rgba(56,189,248,.25);
    }
    .guide-item h3{margin-bottom:8px}
    .info-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:start}
    .article-list{
      border-radius:var(--radius);overflow:hidden;
      border:1px solid var(--line);background:rgba(255,255,255,.055);
    }
    .article-row{
      display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;
      padding:20px;border-bottom:1px solid var(--line);
      transition:background .25s var(--ease);
    }
    .article-row:last-child{border-bottom:0}
    .article-row:hover{background:rgba(56,189,248,.08)}
    .article-thumb{
      height:78px;border-radius:16px;
      background:linear-gradient(135deg,rgba(56,189,248,.34),rgba(139,92,246,.28)),#0b1f3e;
      position:relative;overflow:hidden;
    }
    .article-thumb:after{
      content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.26);border-radius:12px;
    }
    .article-row h3{font-size:18px;margin-bottom:5px}
    .article-row p{color:var(--muted);font-size:14px;line-height:1.6}
    .arrow{
      width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
      background:rgba(255,255,255,.07);color:#8df2ff;
    }
    .recommend{
      padding:24px;border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
      border:1px solid var(--line);position:sticky;top:96px;
    }
    .rank-list{list-style:none;margin-top:18px;display:grid;gap:13px}
    .rank-list li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
    .rank-list b{
      width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
      background:rgba(56,189,248,.14);color:#b8f1ff;
    }
    .rank-list span{color:#dcecff;font-weight:800;display:block;line-height:1.4}
    .rank-list small{color:var(--muted)}
    .security-band{
      border-radius:34px;padding:34px;
      background:
        radial-gradient(circle at 16% 10%,rgba(52,211,153,.16),transparent 34%),
        linear-gradient(145deg,rgba(9,25,50,.92),rgba(12,35,68,.72));
      border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .safe-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
    .safe-card{
      padding:20px;border-radius:20px;background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.13);transition:all .25s var(--ease);
    }
    .safe-icon{
      width:46px;height:46px;border-radius:16px;display:grid;place-items:center;
      background:rgba(52,211,153,.13);color:#6ee7b7;font-size:23px;margin-bottom:14px;
    }
    .safe-card h3{font-size:17px;margin-bottom:7px}
    .app-zone{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:stretch;
    }
    .app-card,.contact-card{
      border-radius:30px;border:1px solid var(--line);
      background:rgba(255,255,255,.07);box-shadow:var(--shadow-soft);
      padding:30px;overflow:hidden;position:relative;
    }
    .app-card:before{
      content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;
      background:rgba(56,189,248,.14);
    }
    .device-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .device{
      padding:16px;border-radius:18px;background:rgba(3,13,29,.38);
      border:1px solid rgba(255,255,255,.12);text-align:center;
    }
    .device strong{display:block;color:#fff}
    .device span{color:var(--muted);font-size:12px}
    .contact-form{display:grid;gap:14px;margin-top:20px}
    .field{display:grid;gap:8px}
    .field label{color:#cfe5ff;font-weight:800;font-size:14px}
    .field input,.field textarea{
      width:100%;border:1px solid rgba(255,255,255,.14);
      background:rgba(3,13,29,.42);color:#fff;border-radius:16px;
      padding:13px 15px;transition:all .25s var(--ease);
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:rgba(56,189,248,.55);box-shadow:0 0 0 4px rgba(56,189,248,.12)}
    .form-note{font-size:13px;color:#8fa5c4}
    .site-footer{
      padding:44px 0 30px;background:rgba(2,8,18,.72);
      border-top:1px solid var(--line);
    }
    .footer-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}
    .footer-brand p{color:var(--muted);max-width:680px;margin-top:12px}
    .footer-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a{
      padding:9px 13px;border-radius:999px;background:rgba(255,255,255,.055);
      color:#c7d8ee;border:1px solid rgba(255,255,255,.1);font-size:14px;
    }
    .footer-links a:hover{color:#fff;border-color:rgba(56,189,248,.32)}
    .copyright{
      margin-top:28px;padding-top:22px;border-top:1px solid var(--line);
      color:#8295b3;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .nav-search{display:none}
      .hero-inner,.latest-layout,.answer-shell,.info-layout,.app-zone{grid-template-columns:1fr}
      .play-panel{min-height:auto}
      .lead-news{grid-template-columns:1fr}
      .dashboard,.safe-grid{grid-template-columns:repeat(2,1fr)}
      .recommend{position:relative;top:auto}
    }
    @media (max-width:768px){
      :root{--header-h:68px}
      .container{width:min(100% - 28px,var(--container))}
      .site-header{height:auto;min-height:var(--header-h)}
      .nav-wrap{padding:12px 0;align-items:center}
      .menu-btn{display:block}
      .nav-right{
        position:absolute;left:14px;right:14px;top:74px;
        flex-direction:column;align-items:stretch;gap:12px;
        background:rgba(5,14,29,.96);border:1px solid var(--line);
        border-radius:22px;padding:14px;box-shadow:var(--shadow);
        transform:translateY(-10px);opacity:0;pointer-events:none;
        transition:all .25s var(--ease);
      }
      .nav-right.open{transform:translateY(0);opacity:1;pointer-events:auto}
      .main-nav{flex-direction:column;align-items:stretch}
      .main-nav a{text-align:center}
      .nav-cta{width:100%}
      .hero{min-height:auto;padding:72px 0 52px}
      .hero p{font-size:16px}
      .section{padding:66px 0}
      .section-head{display:block}
      .hero-stats,.device-row{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}
      .article-row{grid-template-columns:86px 1fr;gap:14px}
      .article-row .arrow{display:none}
      .article-thumb{height:68px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      h1{letter-spacing:-1.3px}
      h2{letter-spacing:-.6px}
      .logo-text{font-size:16px}
      .logo-mark{width:38px;height:38px}
      .hero-actions .btn{width:100%}
      .play-panel,.security-band,.app-card,.contact-card{border-radius:22px;padding:20px}
      .stage{height:210px}
      .dashboard,.safe-grid{grid-template-columns:1fr}
      .lead-news-content{padding:22px}
      .lead-news h3{font-size:23px}
      .update-item{flex-direction:column}
      .article-row{grid-template-columns:1fr}
      .article-thumb{height:120px}
    }