/* roulang page: index */
:root{
            --navy:#17324d;
            --blue:#2878bd;
            --blue-dark:#1c5f98;
            --cyan:#48b7c8;
            --ink:#203246;
            --muted:#6d7d8d;
            --paper:#ffffff;
            --mist:#f4f8fc;
            --line:#dce7ef;
            --warm:#fff7e8;
            --orange:#e58a3d;
            --shadow:0 18px 45px rgba(28,67,101,.10);
            --soft-shadow:0 8px 24px rgba(28,67,101,.08);
            --radius:18px;
            --radius-sm:11px;
            --container:1160px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--mist);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        button,input{font:inherit}
        button{cursor:pointer}
        img{max-width:100%;display:block}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);letter-spacing:-.03em;white-space:nowrap}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 7px 14px rgba(23,50,77,.2)}
        .brand-name{font-size:18px}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-link{padding:10px 16px;border-radius:9px;color:var(--muted);font-size:14px;transition:.2s ease}
        .nav-link:hover,.nav-link.active{background:#edf6fb;color:var(--blue-dark)}
        .nav-cta{margin-left:8px;padding:11px 18px;border-radius:9px;background:var(--blue);color:#fff;font-size:14px;font-weight:700;transition:.2s ease}
        .nav-cta:hover{background:var(--blue-dark);transform:translateY(-1px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:9px;padding:8px 11px}
        .hero{background:#edf6fb;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
        .hero::after{content:"";position:absolute;right:-100px;top:-150px;width:430px;height:430px;border:70px solid rgba(72,183,200,.13);border-radius:50%}
        .hero-inner{min-height:334px;display:flex;align-items:center;position:relative;z-index:1;padding:44px 0}
        .hero-copy{max-width:790px}
        .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800;text-transform:uppercase}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(32px,4.3vw,56px);line-height:1.18;letter-spacing:-.055em;color:var(--navy);margin:12px 0 16px}
        .hero-copy p{max-width:720px;font-size:18px;color:#52697c;margin-bottom:24px}
        .hero-actions{display:flex;gap:11px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
        .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(40,120,189,.2)}
        .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
        .btn-light{background:#fff;border-color:var(--line);color:var(--navy)}
        .btn-light:hover{border-color:var(--blue);color:var(--blue-dark);transform:translateY(-2px)}
        .hero-notes{display:flex;gap:22px;flex-wrap:wrap;margin-top:25px;color:var(--muted);font-size:13px}
        .hero-notes span::before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}
        main{overflow:hidden}
        .section{padding:76px 0}
        .section-head{max-width:690px;margin-bottom:30px}
        .section-head h2{font-size:clamp(25px,3vw,36px);line-height:1.28;letter-spacing:-.04em;color:var(--navy);margin:8px 0 11px}
        .section-head p{color:var(--muted);margin:0;font-size:16px}
        .comparison-wrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow);overflow:auto}
        .comparison{width:100%;border-collapse:collapse;min-width:650px}
        .comparison th,.comparison td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line)}
        .comparison th{background:#f8fbfd;color:var(--navy);font-size:14px}
        .comparison td{color:var(--muted);font-size:14px}
        .comparison tr:last-child td{border-bottom:0}
        .comparison td:first-child{font-weight:700;color:var(--ink);width:30%}
        .yes{color:#2d9d82;font-weight:800}.no{color:#bd6f63;font-weight:700}
        .plans{background:#fff}
        .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .plan{border:1px solid var(--line);border-radius:var(--radius);padding:27px;background:#fff;position:relative;transition:.25s ease}
        .plan:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
        .plan.featured{border:2px solid #79c5d3;padding:26px;background:#f8fdfe}
        .plan-badge{position:absolute;right:18px;top:18px;color:#137386;background:#dff5f6;border-radius:30px;padding:4px 10px;font-size:12px;font-weight:800}
        .plan h3{color:var(--navy);font-size:21px;margin-bottom:7px}
        .plan p{color:var(--muted);font-size:14px;min-height:50px}
        .plan-list{list-style:none;padding:0;margin:19px 0 23px;border-top:1px solid var(--line)}
        .plan-list li{padding:9px 0;border-bottom:1px solid #edf2f5;color:#50677a;font-size:14px}
        .plan-list li::before{content:"•";color:var(--cyan);font-weight:900;margin-right:9px}
        .plan .btn{width:100%}
        .info-section{background:#f8fbfd}
        .info-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
        .info-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
        .info-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 23px;border-bottom:1px solid var(--line);transition:.2s}
        .info-item:last-child{border-bottom:0}
        .info-item:hover{background:#f4fbfd;padding-left:27px}
        .info-item strong{display:block;color:var(--navy);font-size:15px}
        .info-item small{color:var(--muted);font-size:13px}
        .arrow{color:var(--blue);font-size:22px}
        .recommend{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px;min-height:100%}
        .recommend .section-kicker{color:#8bd7df}
        .recommend h3{font-size:24px;line-height:1.35;margin:10px 0 12px}
        .recommend p{color:#bdd0dd;font-size:14px}
        .recommend a{color:#fff;border-bottom:1px solid #8bd7df;font-size:14px}
        .matrix-section{padding-top:0}
        .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .matrix-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;min-height:145px;transition:.2s}
        .matrix-item:hover{box-shadow:var(--soft-shadow);border-color:#a8d5df;transform:translateY(-3px)}
        .matrix-icon{width:34px;height:34px;border-radius:9px;background:#e8f5f8;color:#187d91;display:grid;place-items:center;font-weight:800;margin-bottom:13px}
        .matrix-item h3{font-size:16px;color:var(--navy);margin-bottom:5px}
        .matrix-item p{font-size:13px;color:var(--muted);margin:0}
        .trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .trust-row{display:flex;justify-content:space-between;align-items:center;gap:25px;flex-wrap:wrap}
        .trust-copy h2{font-size:25px;color:var(--navy);margin-bottom:7px}
        .trust-copy p{color:var(--muted);margin:0;font-size:14px}
        .trust-stats{display:flex;gap:30px}
        .stat strong{display:block;color:var(--blue-dark);font-size:28px;line-height:1.2}
        .stat span{font-size:12px;color:var(--muted)}
        .steps-section{padding-top:0}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .step{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative}
        .step-num{color:var(--orange);font-weight:900;font-size:13px;letter-spacing:.1em}
        .step h3{color:var(--navy);font-size:18px;margin:10px 0 7px}
        .step p{font-size:14px;color:var(--muted);margin:0}
        .faq-section{background:#edf6fb}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px}
        .faq-item summary{padding:17px 0;color:var(--navy);font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{content:"+";color:var(--blue);font-size:21px;line-height:1}
        .faq-item[open] summary::after{content:"−"}
        .faq-item p{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:13px 0 17px;margin:0}
        .cta-section{padding:58px 0}
        .cta-box{background:linear-gradient(110deg,#17324d,#245b80);border-radius:var(--radius);padding:38px 42px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-box h2{font-size:29px;line-height:1.3;margin:0 0 8px}
        .cta-box p{color:#c6d8e4;margin:0;max-width:650px}
        .cta-box .btn-light{border:0;white-space:nowrap}
        .site-footer{background:#142b40;color:#b3c6d2;padding:40px 0 24px}
        .footer-main{display:flex;justify-content:space-between;gap:35px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
        .footer-brand{color:#fff;margin-bottom:10px}
        .footer-desc{font-size:13px;max-width:380px;margin:0}
        .footer-links{display:flex;gap:26px;align-items:flex-start}
        .footer-links a{font-size:13px;color:#d3e1e8;transition:.2s}
        .footer-links a:hover{color:#8bd7df}
        .copyright{font-size:12px;margin:20px 0 0;color:#88a2b1}
        :focus-visible{outline:3px solid rgba(40,120,189,.35);outline-offset:3px}
        @media(max-width:900px){
            .info-layout{grid-template-columns:1fr}
            .matrix{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-cta{margin:4px 0 0;text-align:center}
            .hero-inner{min-height:auto;padding:46px 0 48px}
            .hero-copy p{font-size:16px}
            .plan-grid,.steps{grid-template-columns:1fr}
            .trust-row{align-items:flex-start}
            .trust-stats{width:100%;justify-content:space-between}
            .cta-box{padding:30px 25px;display:block}
            .cta-box .btn{margin-top:20px}
            .faq-grid{grid-template-columns:1fr}
        }
        @media(max-width:520px){
            h1{font-size:34px}
            .section{padding:54px 0}
            .hero-actions .btn{width:100%}
            .hero-notes{gap:8px;display:grid}
            .matrix{grid-template-columns:1fr}
            .trust-stats{gap:12px}
            .stat strong{font-size:23px}
            .footer-links{width:100%;gap:18px;flex-wrap:wrap}
        }

/* roulang page: category1 */
:root{
      --navy:#17324d;
      --blue:#2878bd;
      --blue-dark:#1c5f98;
      --cyan:#48b7c8;
      --ink:#203246;
      --muted:#6d7d8d;
      --paper:#ffffff;
      --mist:#f4f8fc;
      --line:#dce7ef;
      --warm:#fff7e8;
      --orange:#e58a3d;
      --shadow:0 18px 45px rgba(28,67,101,.10);
      --soft-shadow:0 8px 24px rgba(28,67,101,.08);
      --radius:18px;
      --radius-sm:11px;
      --container:1160px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--mist);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    :focus-visible{outline:3px solid rgba(40,120,189,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

    .site-header{
      background:rgba(255,255,255,.96);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(12px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--navy);
      letter-spacing:-.03em;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:var(--navy);
      display:grid;
      place-items:center;
      color:#fff;
      font-size:17px;
      box-shadow:0 7px 14px rgba(23,50,77,.2);
    }
    .brand-name{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:10px 16px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
      transition:.2s ease;
    }
    .nav-link:hover,.nav-link.active{background:#edf6fb;color:var(--blue-dark)}
    .nav-cta{
      margin-left:8px;
      padding:11px 18px;
      border-radius:9px;
      background:var(--blue);
      color:#fff;
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
    }
    .nav-cta:hover{background:var(--blue-dark);transform:translateY(-1px)}
    .menu-toggle{
      display:none;
      border:1px solid var(--line);
      background:#fff;
      color:var(--navy);
      border-radius:9px;
      padding:8px 11px;
    }

    .hero{
      background:#edf6fb;
      border-bottom:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:-100px;
      top:-150px;
      width:430px;
      height:430px;
      border:70px solid rgba(72,183,200,.13);
      border-radius:50%;
    }
    .hero-inner{
      min-height:334px;
      display:flex;
      align-items:center;
      position:relative;
      z-index:1;
      padding:44px 0;
    }
    .hero-copy{max-width:790px}
    .eyebrow,.section-kicker{
      font-size:12px;
      letter-spacing:.16em;
      color:var(--blue);
      font-weight:800;
      text-transform:uppercase;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:9px;
      flex-wrap:wrap;
      margin-bottom:17px;
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb a{color:var(--blue-dark)}
    .breadcrumb span{color:#9aacb9}
    h1{
      color:var(--navy);
      font-size:clamp(34px,5vw,58px);
      line-height:1.15;
      letter-spacing:-.055em;
      margin:0 0 16px;
    }
    .hero-copy p{
      max-width:730px;
      font-size:18px;
      color:#52697c;
      margin:0 0 24px;
    }
    .hero-actions{display:flex;gap:11px;flex-wrap:wrap}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 20px;
      border-radius:10px;
      border:1px solid transparent;
      font-weight:700;
      transition:.2s ease;
    }
    .btn-primary{
      background:var(--blue);
      color:#fff;
      box-shadow:0 8px 18px rgba(40,120,189,.2);
    }
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--navy)}
    .btn-light:hover{border-color:var(--blue);color:var(--blue-dark);transform:translateY(-2px)}
    .hero-notes{
      display:flex;
      gap:22px;
      flex-wrap:wrap;
      margin-top:25px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-notes span::before{
      content:"✓";
      color:var(--cyan);
      font-weight:900;
      margin-right:7px;
    }

    main{overflow:hidden}
    .section{padding:76px 0}
    .section-head{max-width:700px;margin-bottom:30px}
    .section-head h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.28;
      letter-spacing:-.04em;
      color:var(--navy);
      margin:8px 0 11px;
    }
    .section-head p{color:var(--muted);margin:0;font-size:16px}
    .problem-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:42px;
      align-items:start;
    }
    .problem-copy p{color:var(--muted);margin:0 0 18px}
    .symptom-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:25px;
    }
    .symptom{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      padding:15px 17px;
      color:var(--navy);
      font-weight:700;
      box-shadow:0 5px 15px rgba(28,67,101,.04);
    }
    .symptom::before{
      content:"!";
      display:inline-grid;
      place-items:center;
      width:22px;
      height:22px;
      margin-right:9px;
      border-radius:50%;
      background:#fff0df;
      color:var(--orange);
      font-size:13px;
    }
    .diagnose-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:27px;
      box-shadow:var(--shadow);
    }
    .diagnose-card h3{margin:0 0 17px;color:var(--navy);font-size:20px}
    .diagnose-row{
      display:flex;
      gap:14px;
      padding:15px 0;
      border-bottom:1px solid #edf2f5;
    }
    .diagnose-row:last-child{border-bottom:0;padding-bottom:0}
    .number{
      flex:0 0 30px;
      height:30px;
      border-radius:9px;
      background:#e8f5f8;
      color:#137386;
      display:grid;
      place-items:center;
      font-size:13px;
      font-weight:800;
    }
    .diagnose-row strong{display:block;color:var(--navy);font-size:15px}
    .diagnose-row p{margin:2px 0 0;color:var(--muted);font-size:13px}

    .solution-section{background:#fff}
    .solution-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:48px;
      align-items:center;
    }
    .solution-intro{padding-right:12px}
    .solution-intro h2{font-size:34px;line-height:1.3;color:var(--navy);margin:8px 0 14px}
    .solution-intro p{color:var(--muted);margin:0}
    .solution-points{display:grid;gap:13px}
    .point{
      display:flex;
      gap:17px;
      padding:19px 20px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fbfdff;
      transition:.2s ease;
    }
    .point:hover{transform:translateX(4px);border-color:#a8d5df;box-shadow:var(--soft-shadow)}
    .point-icon{
      flex:0 0 40px;
      height:40px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:#edf6fb;
      color:var(--blue-dark);
      font-weight:900;
    }
    .point h3{margin:0 0 3px;color:var(--navy);font-size:16px}
    .point p{margin:0;color:var(--muted);font-size:14px}

    .workflow-section{background:#f8fbfd}
    .workflow{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      overflow:hidden;
    }
    .workflow-step{
      position:relative;
      padding:27px 22px;
      border-right:1px solid var(--line);
    }
    .workflow-step:last-child{border-right:0}
    .workflow-step small{color:var(--blue);font-weight:800;letter-spacing:.1em}
    .workflow-step h3{color:var(--navy);font-size:17px;margin:10px 0 5px}
    .workflow-step p{color:var(--muted);font-size:13px;margin:0}
    .workflow-step::after{
      content:"→";
      position:absolute;
      right:-13px;
      top:50%;
      transform:translateY(-50%);
      width:25px;
      height:25px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--cyan);
      color:#fff;
      font-weight:900;
      z-index:2;
    }
    .workflow-step:last-child::after{display:none}

    .result-section{padding-bottom:35px}
    .result-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr;
      gap:18px;
    }
    .result-panel{
      background:var(--navy);
      border-radius:var(--radius);
      padding:31px;
      color:#fff;
    }
    .result-panel h2{font-size:28px;line-height:1.35;margin:0 0 12px}
    .result-panel p{color:#c6d8e4;margin:0;max-width:650px}
    .result-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
    .result-tags span{
      padding:6px 11px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:30px;
      color:#dbeaf1;
      font-size:13px;
    }
    .data-card{
      background:var(--warm);
      border:1px solid #f3dfbd;
      border-radius:var(--radius);
      padding:29px;
    }
    .data-card strong{display:block;color:var(--orange);font-size:40px;line-height:1.1}
    .data-card h3{color:var(--navy);font-size:18px;margin:11px 0 5px}
    .data-card p{color:var(--muted);font-size:14px;margin:0}

    .faq-section{background:#edf6fb}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
      padding:0 20px;
    }
    .faq-item summary{
      padding:17px 0;
      color:var(--navy);
      font-weight:700;
      cursor:pointer;
      list-style:none;
      display:flex;
      justify-content:space-between;
      gap:12px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";color:var(--blue);font-size:21px;line-height:1}
    .faq-item[open] summary::after{content:"−"}
    .faq-item p{
      color:var(--muted);
      font-size:14px;
      border-top:1px solid var(--line);
      padding:13px 0 17px;
      margin:0;
    }

    .cta-section{padding:58px 0}
    .cta-box{
      background:linear-gradient(110deg,#17324d,#245b80);
      border-radius:var(--radius);
      padding:38px 42px;
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta-box h2{font-size:29px;line-height:1.3;margin:0 0 8px}
    .cta-box p{color:#c6d8e4;margin:0;max-width:650px}
    .cta-box .btn-light{white-space:nowrap;border:0;color:var(--navy)}

    .site-footer{
      background:#fff;
      border-top:1px solid var(--line);
      padding:38px 0 22px;
    }
    .footer-main{
      display:flex;
      justify-content:space-between;
      gap:35px;
      align-items:flex-start;
    }
    .footer-brand{margin-bottom:13px}
    .footer-desc{color:var(--muted);font-size:13px;max-width:500px;margin:0}
    .footer-links{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:14px;padding-top:10px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:var(--blue-dark)}
    .copyright{
      border-top:1px solid var(--line);
      margin:29px 0 0;
      padding-top:18px;
      color:#94a3ae;
      font-size:12px;
    }

    @media (max-width:1024px){
      .solution-layout,.problem-layout{gap:28px}
      .workflow-step{padding:23px 16px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;
        position:absolute;
        left:16px;
        right:16px;
        top:76px;
        padding:12px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.is-open{display:flex}
      .nav-link,.nav-cta{text-align:center;margin:0}
      .hero-inner{min-height:0;padding:40px 0 45px}
      .hero-copy p{font-size:16px}
      .problem-layout,.solution-layout,.result-grid{grid-template-columns:1fr}
      .section{padding:57px 0}
      .workflow{grid-template-columns:1fr 1fr}
      .workflow-step{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
      .workflow-step:nth-child(2){border-right:0}
      .workflow-step:nth-child(3),.workflow-step:nth-child(4){border-bottom:0}
      .workflow-step::after{display:none}
      .faq-grid{grid-template-columns:1fr}
      .cta-box{align-items:flex-start;flex-direction:column;padding:30px 25px}
      .footer-main{flex-direction:column}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .brand-name{font-size:16px}
      .brand-mark{width:35px;height:35px}
      .hero-notes{gap:8px 16px}
      .symptom-list{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr}
      .workflow-step,.workflow-step:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}
      .workflow-step:last-child{border-bottom:0}
      .result-panel,.data-card{padding:24px}
      .cta-box h2{font-size:25px}
      .footer-links{gap:13px 20px}
    }