/* roulang page: index */
:root{
      --bg:#f7f8fc;
      --surface:#ffffff;
      --surface-soft:#f1f4fb;
      --ink:#172033;
      --text:#273247;
      --muted:#647086;
      --weak:#8c96aa;
      --line:#e3e8f2;
      --brand:#6254ff;
      --brand-dark:#4338ca;
      --brand-soft:#eeedff;
      --coral:#ff6b6b;
      --coral-soft:#fff1f1;
      --mint:#19c6a8;
      --mint-soft:#e9fbf7;
      --amber:#f6a92d;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 28px rgba(31,41,55,.08);
      --shadow:0 24px 70px rgba(31,41,55,.13);
      --shadow-hover:0 30px 90px rgba(55,48,163,.18);
      --container:1180px;
      --header-h:128px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(98,84,255,.13), transparent 32rem),
        radial-gradient(circle at 92% 12%, rgba(25,198,168,.13), transparent 34rem),
        linear-gradient(180deg,#fbfcff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.72;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(98,84,255,.18);color:var(--brand-dark)}
    :focus-visible{outline:3px solid rgba(98,84,255,.34);outline-offset:3px;border-radius:10px}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(22px);
      border-bottom:1px solid rgba(227,232,242,.75);
      transition:box-shadow .28s var(--ease), background .28s var(--ease), transform .28s var(--ease);
    }
    .site-header.scrolled{
      background:rgba(255,255,255,.94);
      box-shadow:0 12px 34px rgba(23,32,51,.08);
    }
    .brand-row{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      transition:height .28s var(--ease);
    }
    .site-header.scrolled .brand-row{height:60px}
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--brand) 0%,#9b5cff 48%,var(--coral) 100%);
      box-shadow:0 14px 34px rgba(98,84,255,.28);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;inset:8px -12px auto auto;
      width:28px;height:28px;border-radius:999px;
      background:rgba(255,255,255,.24);
    }
    .brand-name{font-size:19px;line-height:1.15}
    .brand-sub{display:block;font-size:12px;color:var(--weak);font-weight:700;margin-top:2px;letter-spacing:0}
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:1;
      justify-content:flex-end;
      min-width:0;
    }
    .search-box{
      width:min(420px,42vw);
      height:44px;
      border:1px solid var(--line);
      background:#fff;
      border-radius:999px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 14px;
      box-shadow:0 8px 20px rgba(23,32,51,.04);
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
    }
    .search-box:focus-within{
      border-color:rgba(98,84,255,.55);
      box-shadow:0 0 0 5px rgba(98,84,255,.09);
    }
    .search-box input{
      border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);
    }
    .search-box input::placeholder{color:#98a2b7}
    .nav-cta,.btn-primary,.btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:800;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .nav-cta{
      height:44px;
      padding:0 18px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#8d58ff);
      box-shadow:0 14px 30px rgba(98,84,255,.24);
    }
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .nav-cta:active,.btn-primary:active,.btn-secondary:active,.btn-ghost:active{transform:translateY(0)}
    .channel-row{
      height:50px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      border-top:1px solid rgba(227,232,242,.72);
      transition:height .28s var(--ease), opacity .22s var(--ease);
      overflow:hidden;
    }
    .site-header.scrolled .channel-row{height:0;opacity:0;border-top-color:transparent}
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      height:36px;
      padding:0 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      transition:background .22s var(--ease), color .22s var(--ease);
    }
    .nav-link:hover{background:var(--surface-soft);color:var(--brand-dark)}
    .nav-link.active{
      background:linear-gradient(135deg,var(--brand-soft),#fff2f6);
      color:var(--brand-dark);
    }
    .channel-note{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      min-width:0;
    }
    .pulse-dot{
      width:9px;height:9px;border-radius:999px;background:var(--mint);
      box-shadow:0 0 0 7px rgba(25,198,168,.13);
      flex:0 0 auto;
    }
    .menu-btn{
      display:none;
      width:44px;height:44px;border:1px solid var(--line);
      border-radius:15px;
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      padding:12px 0 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;align-items:center;justify-content:space-between;
      padding:14px 6px;
      color:var(--ink);
      font-weight:800;
      border-bottom:1px solid rgba(227,232,242,.72);
    }

    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:92px 0}
    .section-pad-sm{padding:72px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--brand-dark);
      background:rgba(98,84,255,.10);
      border:1px solid rgba(98,84,255,.16);
      font-size:13px;
      font-weight:900;
      margin-bottom:14px;
    }
    .section-title{
      color:var(--ink);
      font-size:clamp(28px,4vw,46px);
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0;
    }
    .section-desc{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
      margin:16px 0 0;
    }
    .hero{
      padding:74px 0 84px;
    }
    .hero-shell{
      border:1px solid rgba(227,232,242,.88);
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(255,255,255,.78)),
        radial-gradient(circle at 18% 20%,rgba(98,84,255,.18),transparent 26rem),
        radial-gradient(circle at 86% 18%,rgba(255,107,107,.15),transparent 24rem);
      border-radius:38px;
      box-shadow:var(--shadow);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:auto -8% -28% auto;
      width:520px;height:220px;
      background:repeating-linear-gradient(90deg, rgba(98,84,255,.12) 0 10px, transparent 10px 23px);
      filter:blur(.2px);
      opacity:.65;
      transform:rotate(-8deg);
      border-radius:999px;
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      position:relative;
      z-index:1;
      align-items:stretch;
    }
    .hero-copy{
      padding:34px 22px 26px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:560px;
    }
    .eyebrow{
      width:max-content;
      max-width:100%;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(25,198,168,.12);
      border:1px solid rgba(25,198,168,.24);
      color:#077d70;
      font-size:13px;
      font-weight:900;
      margin-bottom:18px;
    }
    h1{
      color:var(--ink);
      font-size:clamp(36px,5.3vw,68px);
      line-height:1.04;
      letter-spacing:-.06em;
      font-weight:950;
      margin:0;
    }
    .hero-lead{
      margin:22px 0 0;
      max-width:720px;
      color:#4e5b70;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .btn-primary{
      min-height:52px;
      padding:0 22px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand) 0%,#8b5cf6 58%,var(--coral) 100%);
      box-shadow:0 18px 44px rgba(98,84,255,.26);
      border:0;
    }
    .btn-secondary{
      min-height:52px;
      padding:0 21px;
      color:var(--brand-dark);
      background:#fff;
      border:1px solid rgba(98,84,255,.20);
      box-shadow:0 12px 26px rgba(23,32,51,.06);
    }
    .btn-secondary:hover,.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(98,84,255,.38);box-shadow:0 18px 40px rgba(23,32,51,.10)}
    .btn-ghost{
      min-height:46px;
      padding:0 17px;
      color:var(--muted);
      background:rgba(255,255,255,.65);
      border:1px solid var(--line);
    }
    .data-badges{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:34px;
      max-width:680px;
    }
    .data-badge{
      border:1px solid rgba(227,232,242,.86);
      background:rgba(255,255,255,.76);
      border-radius:20px;
      padding:15px;
      box-shadow:0 12px 28px rgba(23,32,51,.05);
    }
    .data-badge strong{
      display:block;
      color:var(--ink);
      font-size:26px;
      line-height:1.1;
      letter-spacing:-.03em;
    }
    .data-badge span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .whitepaper-card{
      background:#111827;
      color:#fff;
      border-radius:32px;
      padding:22px;
      box-shadow:0 26px 80px rgba(17,24,39,.28);
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:18px;
      align-items:stretch;
      min-height:560px;
    }
    .cover{
      border-radius:26px;
      background:
        radial-gradient(circle at 28% 16%,rgba(255,255,255,.34),transparent 8rem),
        linear-gradient(155deg,#7569ff 0%,#a855f7 46%,#ff6b6b 100%);
      padding:20px;
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:420px;
    }
    .cover:after{
      content:"";
      position:absolute;
      inset:auto -35% 10% auto;
      width:240px;height:240px;border-radius:999px;
      border:34px solid rgba(255,255,255,.14);
    }
    .cover-label{
      position:relative;z-index:1;
      display:inline-flex;width:max-content;
      padding:7px 11px;border-radius:999px;
      background:rgba(255,255,255,.20);
      backdrop-filter:blur(10px);
      font-size:12px;font-weight:900;
    }
    .cover h2{
      position:relative;z-index:1;
      font-size:30px;
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.04em;
      margin:24px 0 0;
    }
    .cover .wave{
      position:relative;z-index:1;
      height:56px;
      display:flex;
      align-items:end;
      gap:7px;
      margin-top:18px;
    }
    .wave i{
      display:block;width:8px;border-radius:999px;
      background:rgba(255,255,255,.78);
    }
    .wave i:nth-child(1){height:28px}.wave i:nth-child(2){height:46px}.wave i:nth-child(3){height:32px}.wave i:nth-child(4){height:54px}.wave i:nth-child(5){height:38px}.wave i:nth-child(6){height:22px}.wave i:nth-child(7){height:48px}
    .cover-foot{
      position:relative;z-index:1;
      color:rgba(255,255,255,.86);
      font-size:13px;
    }
    .paper-side{
      display:flex;
      flex-direction:column;
      gap:14px;
      min-width:0;
    }
    .catalog{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:26px;
      padding:20px;
    }
    .catalog h3{font-size:18px;font-weight:950;margin:0 0 14px}
    .catalog ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
    .catalog li{
      display:flex;gap:10px;align-items:flex-start;
      color:rgba(255,255,255,.82);
      font-size:14px;
      line-height:1.55;
    }
    .catalog li:before{
      content:"";
      width:8px;height:8px;border-radius:999px;background:var(--mint);
      margin-top:8px;flex:0 0 auto;
    }
    .lead-form{
      background:#fff;
      color:var(--text);
      border-radius:26px;
      padding:20px;
      margin-top:auto;
    }
    .lead-form h3{color:var(--ink);font-size:18px;font-weight:950;margin:0}
    .lead-form p{color:var(--muted);font-size:13px;margin:5px 0 14px}
    .form-grid{display:grid;gap:10px}
    .field{
      width:100%;
      border:1px solid var(--line);
      background:#fbfcff;
      border-radius:15px;
      padding:13px 14px;
      color:var(--text);
      outline:0;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }
    .field:focus{border-color:rgba(98,84,255,.55);box-shadow:0 0 0 5px rgba(98,84,255,.09);background:#fff}
    .form-tip{font-size:12px!important;color:var(--weak)!important;margin:10px 0 0!important}
    .form-message{display:none;margin-top:10px;padding:10px 12px;border-radius:14px;background:var(--mint-soft);color:#077d70;font-weight:800;font-size:13px}
    .form-message.show{display:block}
    .cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .value-card{
      position:relative;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      border-radius:30px;
      padding:26px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }
    .value-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:5px;
      background:linear-gradient(90deg,var(--brand),var(--mint),var(--coral));
      opacity:.84;
    }
    .value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(98,84,255,.28)}
    .icon-box{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand-soft),#fff);
      color:var(--brand-dark);
      font-size:24px;
      margin-bottom:18px;
    }
    .value-card h3,.demo-card h3,.quote-card h3,.price-card h3,.news-card h3,.faq-title{
      color:var(--ink);
      font-size:20px;
      line-height:1.25;
      font-weight:950;
      margin:0;
      letter-spacing:-.02em;
    }
    .value-card p,.demo-card p,.quote-card p,.price-card p,.news-card p{
      color:var(--muted);
      margin:10px 0 0;
      font-size:15px;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .tag{
      display:inline-flex;
      align-items:center;
      height:30px;
      padding:0 10px;
      border-radius:999px;
      background:var(--surface-soft);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(227,232,242,.75);
    }
    .demo-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:start;
    }
    .side-panel{
      border-radius:32px;
      padding:28px;
      background:linear-gradient(160deg,#20263a 0%,#111827 100%);
      color:#fff;
      box-shadow:var(--shadow);
      position:sticky;
      top:110px;
    }
    .side-panel p{color:rgba(255,255,255,.72);margin:14px 0 0}
    .demo-list{display:grid;gap:14px}
    .demo-card{
      border:1px solid var(--line);
      background:#fff;
      border-radius:28px;
      padding:22px;
      box-shadow:var(--shadow-sm);
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:start;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease);
    }
    .demo-card:hover{transform:translateX(4px);box-shadow:0 20px 52px rgba(23,32,51,.11)}
    .step-num{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-weight:950;
    }
    .proof-section{
      background:
        radial-gradient(circle at 6% 16%,rgba(255,107,107,.12),transparent 24rem),
        radial-gradient(circle at 86% 72%,rgba(98,84,255,.12),transparent 27rem),
        #fff;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .quote-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:30px;
      padding:26px;
      box-shadow:var(--shadow-sm);
    }
    .quote-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--coral-soft);
      color:var(--coral);
      font-weight:950;
      margin-bottom:16px;
    }
    .quote-card blockquote{
      margin:0;
      color:#354157;
      font-size:16px;
      line-height:1.85;
    }
    .quote-card cite{
      display:block;
      margin-top:14px;
      color:var(--muted);
      font-style:normal;
      font-size:14px;
      font-weight:800;
    }
    .stats-strip{
      margin-top:22px;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .stat-box{
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      border-radius:24px;
      padding:18px;
      box-shadow:var(--shadow-sm);
    }
    .stat-box strong{display:block;color:var(--ink);font-size:30px;line-height:1.1;font-weight:950;letter-spacing:-.04em}
    .stat-box span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .price-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:30px;
    }
    .price-card{
      border:1px solid var(--line);
      background:#fff;
      border-radius:30px;
      padding:26px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }
    .price-card.featured{
      border-color:rgba(98,84,255,.36);
      box-shadow:0 26px 70px rgba(98,84,255,.16);
    }
    .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .price{
      color:var(--ink);
      font-size:34px;
      font-weight:950;
      letter-spacing:-.04em;
      margin:18px 0 8px;
    }
    .price small{font-size:14px;color:var(--weak);font-weight:800;letter-spacing:0}
    .check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      width:20px;height:20px;border-radius:999px;
      display:grid;place-items:center;
      flex:0 0 auto;
      background:var(--mint-soft);
      color:#09917f;
      font-size:12px;
      font-weight:950;
      margin-top:2px;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:24px;
      align-items:start;
      margin-top:30px;
    }
    .news-list{
      border:1px solid var(--line);
      background:#fff;
      border-radius:30px;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .news-item{
      display:grid;
      grid-template-columns:118px 1fr auto;
      gap:18px;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
      align-items:center;
      transition:background .22s var(--ease), transform .22s var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#fbfcff}
    .news-date{
      color:var(--brand-dark);
      font-weight:950;
      font-size:14px;
      background:var(--brand-soft);
      border-radius:999px;
      padding:7px 10px;
      text-align:center;
    }
    .news-item h3{margin:0;color:var(--ink);font-size:17px;font-weight:950;line-height:1.35}
    .news-item p{margin:5px 0 0;color:var(--muted);font-size:14px;line-height:1.6}
    .arrow{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--surface-soft);
      color:var(--muted);
      transition:background .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
    }
    .news-item:hover .arrow{background:var(--brand);color:#fff;transform:translateX(2px)}
    .recommend-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#f8f9ff);
      border-radius:30px;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .recommend-card ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
    .recommend-card li a{
      display:flex;justify-content:space-between;gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(227,232,242,.75);
      color:var(--text);
      font-weight:800;
      transition:color .22s var(--ease);
    }
    .recommend-card li:last-child a{border-bottom:0}
    .recommend-card li a:hover{color:var(--brand-dark)}
    .calendar{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:22px;
      align-items:start;
    }
    .calendar-card{
      border:1px solid var(--line);
      background:#fff;
      border-radius:30px;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .calendar-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .calendar-list li{
      display:grid;
      grid-template-columns:82px 1fr;
      gap:14px;
      align-items:start;
      padding:14px;
      border-radius:22px;
      background:#fbfcff;
      border:1px solid rgba(227,232,242,.8);
    }
    .date-chip{
      border-radius:16px;
      background:#111827;
      color:#fff;
      text-align:center;
      padding:9px 8px;
      font-weight:950;
      line-height:1.1;
    }
    .date-chip small{display:block;color:rgba(255,255,255,.68);font-size:12px;margin-top:4px}
    .calendar-list h3{margin:0;color:var(--ink);font-size:16px;font-weight:950}
    .calendar-list p{margin:5px 0 0;color:var(--muted);font-size:14px;line-height:1.6}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:24px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      background:#fff;
      border-radius:24px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-btn{
      width:100%;
      border:0;
      background:transparent;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      color:var(--ink);
      font-weight:950;
      transition:background .22s var(--ease);
    }
    .faq-btn:hover{background:#fbfcff}
    .faq-icon{
      width:30px;height:30px;border-radius:12px;
      display:grid;place-items:center;
      background:var(--surface-soft);
      color:var(--brand-dark);
      flex:0 0 auto;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-soft)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .cta-section{padding:82px 0 98px}
    .cta-card{
      border-radius:38px;
      background:
        radial-gradient(circle at 16% 20%,rgba(255,255,255,.28),transparent 18rem),
        linear-gradient(135deg,#5b4dff 0%,#8b5cf6 48%,#ff6b6b 100%);
      color:#fff;
      padding:40px;
      box-shadow:0 28px 90px rgba(98,84,255,.28);
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:30px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-card:after{
      content:"";
      position:absolute;
      right:-80px;bottom:-110px;
      width:330px;height:330px;border-radius:999px;
      border:46px solid rgba(255,255,255,.12);
    }
    .cta-card h2{
      position:relative;z-index:1;
      margin:0;
      font-size:clamp(28px,4vw,48px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .cta-card p{
      position:relative;z-index:1;
      color:rgba(255,255,255,.82);
      margin:16px 0 0;
      font-size:16px;
      max-width:560px;
    }
    .cta-form{
      position:relative;z-index:1;
      background:rgba(255,255,255,.96);
      color:var(--text);
      border-radius:30px;
      padding:22px;
      box-shadow:0 20px 60px rgba(17,24,39,.20);
    }
    .cta-form .btn-primary{width:100%;margin-top:4px}
    .site-footer{
      background:#101725;
      color:rgba(255,255,255,.78);
      padding:56px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:950;
    }
    .footer-copy{margin:16px 0 0;max-width:660px;color:rgba(255,255,255,.64)}
    .footer-links{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      height:38px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.78);
      font-weight:800;
      font-size:13px;
      transition:background .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
    }
    .footer-links a:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateY(-2px)}
    .footer-bottom{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      transform:translateX(-50%);
      bottom:18px;
      z-index:40;
      display:none;
      width:min(620px,calc(100% - 28px));
      padding:10px;
      border-radius:999px;
      background:rgba(17,24,39,.88);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 50px rgba(17,24,39,.24);
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#fff;
    }
    .floating-cta span{font-size:13px;font-weight:800;padding-left:12px}
    .floating-cta a{height:40px;padding:0 16px;border-radius:999px;background:#fff;color:var(--brand-dark);font-weight:950;font-size:13px}

    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .hero-grid,.whitepaper-card,.demo-wrap,.proof-grid,.calendar,.faq-wrap,.cta-card{grid-template-columns:1fr}
      .hero-copy{min-height:auto;padding:24px 8px 12px}
      .whitepaper-card{min-height:auto}
      .cover{min-height:320px}
      .side-panel{position:relative;top:auto}
      .price-grid,.cards-3{grid-template-columns:1fr 1fr}
      .news-layout{grid-template-columns:1fr}
      .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .brand-row{height:66px}
      .channel-row,.search-box,.nav-cta{display:none}
      .menu-btn{display:flex}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-name{font-size:16px}
      .hero{padding:40px 0 58px}
      .hero-shell{border-radius:28px;padding:18px}
      .data-badges{grid-template-columns:1fr}
      .section-pad{padding:66px 0}
      .section-pad-sm{padding:56px 0}
      .cards-3,.price-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:10px}
      .arrow{display:none}
      .calendar-list li{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .floating-cta{display:flex}
      .cta-card{padding:26px;border-radius:30px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      h1{font-size:36px;letter-spacing:-.045em}
      .hero-lead{font-size:16px}
      .hero-actions{align-items:stretch}
      .hero-actions a,.hero-actions button{width:100%}
      .whitepaper-card{padding:14px;border-radius:26px}
      .cover{border-radius:22px}
      .cover h2{font-size:25px}
      .catalog,.lead-form,.value-card,.demo-card,.quote-card,.price-card,.recommend-card,.calendar-card{border-radius:22px}
      .stats-strip{grid-template-columns:1fr}
      .section-title{font-size:30px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }