/* roulang page: index */
:root{
      --bg:#f7f3ff;
      --bg-soft:#fff8fb;
      --surface:#ffffff;
      --surface-2:#fbf7ff;
      --ink:#171225;
      --muted:#6f6680;
      --weak:#93899f;
      --line:rgba(77, 54, 103, .14);
      --primary:#8b5cf6;
      --primary-dark:#6d28d9;
      --accent:#fb7185;
      --accent-2:#22c55e;
      --amber:#f59e0b;
      --cyan:#06b6d4;
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 22px 70px rgba(54, 35, 88, .13);
      --shadow-sm:0 12px 34px rgba(54, 35, 88, .09);
      --side:292px;
      --speed:.25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      line-height:1.7;
      background:
        radial-gradient(circle at 12% 10%, rgba(139,92,246,.18), transparent 30%),
        radial-gradient(circle at 95% 8%, rgba(251,113,133,.16), transparent 28%),
        linear-gradient(135deg, #fbf7ff 0%, #fff8fb 42%, #f5fbff 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(139,92,246,.2)}

    .site-shell{min-height:100vh}
    .sidebar{
      position:fixed;
      left:18px;
      top:18px;
      bottom:18px;
      width:calc(var(--side) - 36px);
      z-index:50;
      padding:18px;
      border:1px solid rgba(255,255,255,.72);
      border-radius:28px;
      background:rgba(255,255,255,.76);
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 8px 18px;
      border-bottom:1px solid var(--line);
    }
    .brand-mark{
      width:46px;height:46px;border-radius:17px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 28px rgba(139,92,246,.34);
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      letter-spacing:.04em;
      flex:0 0 auto;
    }
    .brand-text strong{
      display:block;
      font-size:15px;
      line-height:1.35;
      letter-spacing:-.02em;
    }
    .brand-text span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }
    .nav-title{
      margin:6px 10px 0;
      color:var(--weak);
      font-size:12px;
      font-weight:800;
      letter-spacing:.14em;
    }
    .nav-list{display:grid;gap:8px}
    .nav-link{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 12px;
      border-radius:16px;
      color:#4d455f;
      font-weight:800;
      transition:transform var(--speed),background var(--speed),color var(--speed),box-shadow var(--speed);
    }
    .nav-link .dot{
      width:10px;height:10px;border-radius:99px;
      background:rgba(139,92,246,.32);
      box-shadow:0 0 0 5px rgba(139,92,246,.08);
    }
    .nav-link:hover{
      transform:translateX(2px);
      background:rgba(139,92,246,.08);
      color:var(--primary-dark);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 14px 30px rgba(139,92,246,.25);
    }
    .nav-link.active .dot{background:#fff;box-shadow:0 0 0 5px rgba(255,255,255,.18)}
    .side-card{
      margin-top:auto;
      padding:16px;
      border-radius:22px;
      background:linear-gradient(145deg,rgba(23,18,37,.94),rgba(77,43,115,.9));
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .side-card:before{
      content:"";
      position:absolute;
      width:120px;height:120px;border-radius:999px;
      right:-48px;top:-44px;
      background:rgba(251,113,133,.35);
    }
    .side-card strong{position:relative;display:block;font-size:15px}
    .side-card p{position:relative;margin:8px 0 14px;color:rgba(255,255,255,.72);font-size:13px;line-height:1.6}
    .side-mini-btn{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 13px;
      border-radius:999px;
      background:#fff;
      color:var(--primary-dark);
      font-weight:900;
      font-size:13px;
      transition:transform var(--speed),box-shadow var(--speed);
    }
    .side-mini-btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.16)}

    .mobile-header{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      padding:12px 16px;
      background:rgba(255,255,255,.84);
      backdrop-filter:blur(20px);
      border-bottom:1px solid var(--line);
    }
    .mobile-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .menu-btn{
      width:44px;height:44px;border:0;border-radius:15px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      display:grid;place-items:center;
      cursor:pointer;
      box-shadow:0 12px 26px rgba(139,92,246,.23);
      transition:transform var(--speed),filter var(--speed);
    }
    .menu-btn:hover{transform:translateY(-1px);filter:saturate(1.08)}
    .menu-btn:focus-visible,.btn:focus-visible,.form-control:focus-visible,.nav-link:focus-visible{
      outline:3px solid rgba(139,92,246,.22);
      outline-offset:3px;
    }
    .drawer-mask{
      position:fixed;inset:0;background:rgba(20,16,32,.42);
      z-index:70;opacity:0;pointer-events:none;transition:opacity var(--speed);
    }
    .drawer{
      position:fixed;left:14px;right:14px;top:14px;
      z-index:80;
      transform:translateY(-120%);
      transition:transform .32s ease;
      border-radius:26px;
      background:#fff;
      box-shadow:var(--shadow);
      padding:16px;
      border:1px solid var(--line);
    }
    body.menu-open .drawer-mask{opacity:1;pointer-events:auto}
    body.menu-open .drawer{transform:translateY(0)}

    .main-area{
      margin-left:var(--side);
      padding:28px 28px 0;
    }
    .container{
      width:min(1180px,100%);
      margin-inline:auto;
    }
    .section{padding:42px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:22px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(139,92,246,.10);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:99px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 0 5px rgba(139,92,246,.08);
    }
    h1,h2,h3{line-height:1.18;margin:0;letter-spacing:-.04em}
    h1{font-size:clamp(34px,5.4vw,68px);font-weight:950}
    h2{font-size:clamp(26px,3vw,42px);font-weight:950}
    h3{font-size:20px;font-weight:900}
    .lead{color:#5e566c;font-size:clamp(16px,1.4vw,19px)}
    .muted{color:var(--muted)}
    .small{font-size:13px;color:var(--weak)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 20px;
      border:0;
      border-radius:999px;
      font-weight:950;
      cursor:pointer;
      transition:transform var(--speed),box-shadow var(--speed),background var(--speed),color var(--speed),border-color var(--speed);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 16px 34px rgba(139,92,246,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 42px rgba(139,92,246,.34)}
    .btn-soft{
      color:var(--primary-dark);
      background:#fff;
      border:1px solid rgba(139,92,246,.18);
      box-shadow:0 10px 24px rgba(54,35,88,.08);
    }
    .btn-soft:hover{transform:translateY(-2px);background:#fbf8ff;border-color:rgba(139,92,246,.34)}
    .btn-dark{
      color:#fff;background:#171225;
    }
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(23,18,37,.22)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-weight:900;
      font-size:12px;
      color:#5b21b6;
      background:rgba(139,92,246,.1);
    }
    .badge.green{color:#15803d;background:rgba(34,197,94,.12)}
    .badge.pink{color:#be123c;background:rgba(251,113,133,.12)}
    .badge.amber{color:#b45309;background:rgba(245,158,11,.14)}
    .card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(255,255,255,.76);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:transform var(--speed),box-shadow var(--speed),border-color var(--speed);
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(139,92,246,.18)}
    .glass{
      background:rgba(255,255,255,.72);
      backdrop-filter:blur(18px);
      border:1px solid rgba(255,255,255,.72);
    }

    .hero{
      padding:12px 0 42px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:28px;
      background:
        linear-gradient(135deg,rgba(23,18,37,.96),rgba(78,45,126,.92) 52%,rgba(251,113,133,.72)),
        radial-gradient(circle at 20% 30%,rgba(255,255,255,.2),transparent 30%);
      box-shadow:0 30px 90px rgba(54,35,88,.22);
      color:#fff;
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 15% 15%,rgba(139,92,246,.52),transparent 25%),
        radial-gradient(circle at 80% 18%,rgba(251,113,133,.45),transparent 24%),
        radial-gradient(circle at 60% 90%,rgba(6,182,212,.18),transparent 22%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero-top{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);
      gap:24px;
      align-items:stretch;
    }
    .hero-copy{
      min-height:420px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:28px;
      padding:16px 8px 8px;
    }
    .hero-copy .lead{color:rgba(255,255,255,.78);max-width:760px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:22px;
      max-width:680px;
    }
    .metric{
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
    }
    .metric strong{display:block;font-size:24px;font-weight:950}
    .metric span{display:block;color:rgba(255,255,255,.68);font-size:12px;margin-top:2px}

    .plans{
      display:grid;
      grid-template-columns:1fr;
      gap:13px;
    }
    .plan-card{
      position:relative;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(18px);
      color:#fff;
      transition:transform var(--speed),background var(--speed),border-color var(--speed);
    }
    .plan-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.16)}
    .plan-card.recommend{
      background:rgba(255,255,255,.93);
      color:var(--ink);
      border-color:rgba(255,255,255,.86);
      box-shadow:0 22px 50px rgba(0,0,0,.20);
      transform:scale(1.02);
    }
    .plan-card.recommend:hover{transform:scale(1.02) translateY(-3px)}
    .plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:10px}
    .plan-name{font-size:18px;font-weight:950}
    .plan-card p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
    .plan-card.recommend p{color:var(--muted)}
    .plan-points{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}
    .plan-points li{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.78)}
    .plan-card.recommend .plan-points li{color:#51495d}
    .check{
      width:18px;height:18px;border-radius:99px;
      display:inline-grid;place-items:center;flex:0 0 auto;
      margin-top:2px;
      background:rgba(34,197,94,.18);
      color:#22c55e;
      font-size:12px;font-weight:900;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
    }
    .feature-card{padding:22px;min-height:205px}
    .feature-card:nth-child(1){background:linear-gradient(145deg,#fff,#fbf5ff)}
    .feature-card:nth-child(2){margin-top:34px;background:linear-gradient(145deg,#fff,#fff7f9)}
    .feature-card:nth-child(3){background:linear-gradient(145deg,#fff,#f5fbff)}
    .icon-box{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(139,92,246,.15),rgba(251,113,133,.13));
      color:var(--primary-dark);
      font-size:22px;
      margin-bottom:18px;
    }
    .feature-card p{margin:10px 0 0;color:var(--muted);font-size:15px}

    .category-wrap{
      display:grid;
      grid-template-columns:330px 1fr;
      gap:18px;
      align-items:stretch;
    }
    .category-intro{
      padding:24px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(139,92,246,.13),rgba(251,113,133,.10));
      border:1px solid rgba(139,92,246,.12);
    }
    .tag-cloud{
      display:flex;
      align-content:flex-start;
      flex-wrap:wrap;
      gap:12px;
      padding:24px;
    }
    .topic-tag{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:#4c445a;
      font-weight:850;
      box-shadow:0 10px 22px rgba(54,35,88,.06);
      transition:transform var(--speed),border-color var(--speed),color var(--speed);
    }
    .topic-tag:hover{
      transform:translateY(-2px);
      border-color:rgba(139,92,246,.32);
      color:var(--primary-dark);
    }

    .scenario{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
      gap:20px;
      align-items:center;
    }
    .scenario-panel{
      padding:26px;
      border-radius:var(--radius-xl);
      background:#171225;
      color:#fff;
      min-height:420px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .scenario-panel:after{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:999px;
      right:-70px;bottom:-72px;
      background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(251,113,133,.3));
    }
    .scenario-panel p{color:rgba(255,255,255,.72)}
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(255,255,255,.76);
      box-shadow:var(--shadow-sm);
    }
    .step-num{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      color:#fff;font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--accent));
    }
    .step p{margin:6px 0 0;color:var(--muted);font-size:14px}

    .data-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .chart-card{padding:24px}
    .bar-list{display:grid;gap:15px;margin-top:20px}
    .bar-row{display:grid;grid-template-columns:92px 1fr 56px;gap:12px;align-items:center}
    .bar-label{font-weight:850;color:#4f465e;font-size:14px}
    .bar-track{height:12px;border-radius:999px;background:rgba(139,92,246,.10);overflow:hidden}
    .bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .bar-value{font-weight:950;color:var(--primary-dark);text-align:right}
    .kpi-grid{display:grid;grid-template-columns:1fr;gap:14px}
    .kpi-card{padding:20px}
    .kpi-card strong{display:block;font-size:34px;line-height:1;font-weight:950;letter-spacing:-.04em}
    .kpi-card span{display:block;margin-top:8px;color:var(--muted);font-size:14px}

    .proof-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:18px;
    }
    .proof-card{
      padding:24px;
      background:linear-gradient(145deg,#fff,#fbf7ff);
    }
    .quote-list{display:grid;gap:14px}
    .quote{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(54,35,88,.06);
    }
    .quote p{margin:0;color:#544b61}
    .quote footer{margin-top:12px;color:var(--weak);font-size:13px;font-weight:850}

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
      gap:18px;
    }
    .news-list{
      padding:10px;
      display:grid;
      gap:8px;
    }
    .news-item{
      display:grid;
      grid-template-columns:108px 1fr auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border-radius:20px;
      transition:background var(--speed),transform var(--speed);
    }
    .news-item:hover{background:rgba(139,92,246,.07);transform:translateX(3px)}
    .news-date{
      color:var(--primary-dark);
      font-weight:950;
      font-size:13px;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(139,92,246,.09);
      text-align:center;
    }
    .news-title{font-weight:950;font-size:17px}
    .news-desc{margin-top:4px;color:var(--muted);font-size:14px}
    .arrow{color:var(--weak);font-weight:950}
    .recommend-box{
      padding:22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,#171225,#3c2764);
      color:#fff;
      min-height:100%;
    }
    .recommend-box p{color:rgba(255,255,255,.72)}
    .mini-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
    .mini-list li{display:flex;gap:9px;color:rgba(255,255,255,.80);font-size:14px}
    .mini-list li:before{content:"•";color:#fb7185;font-weight:950}

    .faq-grid{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:18px;
    }
    .faq-intro{padding:24px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(54,35,88,.06);
    }
    .faq-item h3{font-size:17px}
    .faq-item p{margin:9px 0 0;color:var(--muted);font-size:15px}

    .form-section{
      padding-bottom:54px;
    }
    .conversion{
      display:grid;
      grid-template-columns:minmax(0,.92fr) minmax(320px,1.08fr);
      gap:18px;
      padding:26px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.88),rgba(255,255,255,.72)),
        radial-gradient(circle at 15% 20%,rgba(139,92,246,.15),transparent 26%);
      border:1px solid rgba(255,255,255,.76);
      box-shadow:var(--shadow);
    }
    .conversion-copy{
      padding:12px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:22px;
    }
    .promise-list{display:grid;gap:10px;margin-top:16px}
    .promise{
      display:flex;gap:10px;align-items:flex-start;
      color:#51495e;font-weight:750;
    }
    .form-card{
      padding:22px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
    }
    .field-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{display:grid;gap:7px;margin-bottom:14px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:900;color:#3f374d;font-size:14px}
    .form-control{
      width:100%;
      border:1px solid rgba(77,54,103,.16);
      background:#fbf9ff;
      border-radius:16px;
      min-height:48px;
      padding:0 14px;
      color:var(--ink);
      transition:border-color var(--speed),box-shadow var(--speed),background var(--speed);
    }
    textarea.form-control{min-height:112px;padding:12px 14px;resize:vertical}
    .form-control:focus{
      outline:none;
      border-color:rgba(139,92,246,.55);
      background:#fff;
      box-shadow:0 0 0 4px rgba(139,92,246,.10);
    }
    .form-tip{
      display:none;
      margin-top:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(34,197,94,.10);
      color:#15803d;
      font-weight:850;
      font-size:14px;
    }

    .site-footer{
      margin-left:var(--side);
      padding:0 28px 28px;
    }
    .footer-inner{
      width:min(1180px,100%);
      margin-inline:auto;
      padding:28px;
      border-radius:30px 30px 0 0;
      background:rgba(23,18,37,.94);
      color:#fff;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      position:relative;
      overflow:hidden;
    }
    .footer-inner:before{
      content:"";
      position:absolute;
      width:260px;height:260px;border-radius:999px;
      right:-120px;top:-130px;
      background:rgba(139,92,246,.32);
    }
    .footer-inner > *{position:relative}
    .footer-name{font-size:20px;font-weight:950;letter-spacing:-.03em}
    .footer-text{color:rgba(255,255,255,.68);margin-top:10px;max-width:680px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;align-content:flex-start}
    .footer-links a{
      padding:9px 13px;border-radius:999px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.82);
      font-weight:850;font-size:14px;
      transition:background var(--speed),transform var(--speed);
    }
    .footer-links a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .copyright{
      grid-column:1/-1;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.56);
      font-size:13px;
    }

    @media (max-width: 1180px){
      :root{--side:260px}
      .hero-top,.scenario,.data-grid,.proof-grid,.news-layout,.faq-grid,.conversion{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card:nth-child(2){margin-top:0}
      .category-wrap{grid-template-columns:1fr}
      .plans{grid-template-columns:repeat(3,minmax(0,1fr))}
      .plan-card.recommend{transform:none}
      .plan-card.recommend:hover{transform:translateY(-3px)}
    }
    @media (max-width: 900px){
      .sidebar{display:none}
      .mobile-header{display:block}
      .main-area,.site-footer{margin-left:0;padding-left:16px;padding-right:16px}
      .main-area{padding-top:18px}
      .hero-stage{border-radius:28px;padding:20px}
      .plans{grid-template-columns:1fr}
      .feature-grid{grid-template-columns:1fr}
      .hero-metrics{grid-template-columns:1fr 1fr}
      .footer-inner{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 640px){
      .section{padding:32px 0}
      .section-head{display:block}
      .section-head .lead{margin-top:10px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%;white-space:normal;text-align:center}
      .hero-metrics{grid-template-columns:1fr}
      .metric strong{font-size:22px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-date{text-align:left;width:max-content}
      .field-grid{grid-template-columns:1fr}
      .conversion{padding:18px;border-radius:28px}
      .scenario-panel{min-height:320px}
      .bar-row{grid-template-columns:78px 1fr 46px}
      .brand-text strong{font-size:14px}
    }