/* roulang page: index */
:root{
      --primary:#2F6FEB;
      --primary-dark:#1D4ED8;
      --primary-soft:#EAF2FF;
      --pink:#FFE8EF;
      --pink-strong:#F8B9C9;
      --amber:#F59E0B;
      --bg:#F8FAFC;
      --bg-2:#F4F7FB;
      --card:#FFFFFF;
      --text:#132033;
      --muted:#4B5563;
      --weak:#7A8699;
      --border:#E5EAF2;
      --border-strong:rgba(47,111,235,.22);
      --shadow:0 18px 45px rgba(31,55,89,.08);
      --shadow-hover:0 22px 55px rgba(31,55,89,.13);
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:16px;
      --nav-width:96px;
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(255,232,239,.95) 0, rgba(255,232,239,0) 30%),
        radial-gradient(circle at 88% 12%, rgba(47,111,235,.12) 0, rgba(47,111,235,0) 28%),
        linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,select,textarea{
      width:100%;
      border:1px solid var(--border);
      border-radius:15px;
      background:#fff;
      color:var(--text);
      min-height:50px;
      padding:12px 15px;
      transition:.2s ease;
      outline:none;
    }
    textarea{min-height:104px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(47,111,235,.12);
    }
    input::placeholder,textarea::placeholder{color:#A1AAB8}
    .container{width:min(var(--container),calc(100% - 80px));margin:0 auto}
    .desktop-rail{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--nav-width);
      background:rgba(255,255,255,.92);
      border-right:1px solid rgba(229,234,242,.86);
      backdrop-filter:blur(16px);
      z-index:50;
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:18px 12px;
      box-shadow:8px 0 28px rgba(31,55,89,.04);
    }
    .rail-logo{
      width:70px;
      min-height:78px;
      border-radius:24px;
      background:linear-gradient(145deg,var(--primary-soft),#fff 52%,var(--pink));
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      color:var(--primary-dark);
      font-weight:800;
      font-size:12px;
      line-height:1.25;
      border:1px solid var(--border-strong);
      position:relative;
      overflow:hidden;
    }
    .rail-logo:after{
      content:"";
      position:absolute;
      right:-20px;
      bottom:8px;
      width:55px;
      height:20px;
      border-top:2px solid rgba(245,158,11,.35);
      border-bottom:2px solid rgba(245,158,11,.22);
      transform:rotate(-28deg);
      border-radius:50%;
    }
    .rail-nav{display:flex;flex-direction:column;gap:12px;margin-top:42px;width:100%}
    .rail-link{
      min-height:64px;
      border-radius:999px;
      color:var(--weak);
      display:flex;
      flex-direction:column;
      gap:4px;
      align-items:center;
      justify-content:center;
      font-size:12px;
      font-weight:700;
      transition:.22s ease;
    }
    .rail-link .icon{font-size:18px;line-height:1}
    .rail-link:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px)}
    .rail-link.active{background:var(--primary);color:#fff;box-shadow:0 12px 26px rgba(47,111,235,.23)}
    .rail-cta{
      margin-top:auto;
      width:68px;
      height:68px;
      border-radius:24px;
      background:linear-gradient(145deg,var(--primary),var(--primary-dark));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:4px;
      font-size:11px;
      font-weight:800;
      box-shadow:0 16px 34px rgba(47,111,235,.28);
      transition:.22s ease;
    }
    .rail-cta:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(47,111,235,.35)}
    .mobile-header{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.93);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--border);
      padding:12px 18px;
    }
    .mobile-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--primary-dark)}
    .brand-mark{
      width:40px;height:40px;border-radius:15px;
      background:linear-gradient(145deg,var(--primary-soft),var(--pink));
      border:1px solid var(--border-strong);
      display:grid;place-items:center;color:var(--primary);
    }
    .menu-toggle{
      width:44px;height:44px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-weight:900;
    }
    .mobile-menu{
      display:none;
      padding:12px 0 4px;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-header.open .mobile-menu{display:grid}
    .mobile-menu a{
      border:1px solid var(--border);
      border-radius:15px;
      padding:12px 14px;
      font-weight:700;
      color:var(--muted);
      background:#fff;
    }
    .mobile-menu a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
    .page{
      margin-left:var(--nav-width);
      min-height:100vh;
    }
    .section{padding:84px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(234,242,255,.82);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      border:1px solid var(--border-strong);
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(245,158,11,.13);
    }
    h1,h2,h3{line-height:1.18;letter-spacing:-.02em}
    h1{font-size:50px;font-weight:800;margin:18px 0 20px}
    h2{font-size:36px;font-weight:800;margin-bottom:14px}
    h3{font-size:21px;font-weight:800}
    p{color:var(--muted)}
    .lead{font-size:18px;line-height:1.85;max-width:720px}
    .hero{
      position:relative;
      padding:66px 0 72px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      right:-160px;
      top:28px;
      width:460px;height:460px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,232,239,.92),rgba(255,232,239,0) 68%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:44px;
      align-items:center;
      position:relative;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(47,111,235,.25)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 38px rgba(47,111,235,.32)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:var(--border-strong)}
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--muted)}
    .btn-ghost:hover{background:var(--primary-soft);color:var(--primary)}
    .trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
    .trust-tag,.tag{
      display:inline-flex;align-items:center;gap:6px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.78);
      color:var(--muted);
      border-radius:999px;
      padding:7px 11px;
      font-size:13px;
      font-weight:700;
    }
    .hero-panel{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:8px;
      background:linear-gradient(90deg,var(--primary),var(--pink-strong),var(--amber));
    }
    .diagnosis-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin:10px 0 24px}
    .score{
      width:82px;height:82px;border-radius:26px;
      background:linear-gradient(145deg,var(--primary),#6EA2FF);
      color:#fff;display:grid;place-items:center;text-align:center;
      box-shadow:0 15px 32px rgba(47,111,235,.25);
    }
    .score strong{font-size:28px;line-height:1}
    .score span{font-size:12px}
    .process-list{display:grid;gap:12px}
    .process-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;
      background:linear-gradient(180deg,#fff,var(--bg));
      border:1px solid var(--border);
    }
    .dot{
      width:30px;height:30px;border-radius:12px;
      display:grid;place-items:center;
      color:#fff;background:var(--primary);
      font-weight:900;font-size:13px;flex:0 0 auto;
    }
    .panel-note{
      margin-top:18px;
      padding:14px 16px;
      border-radius:18px;
      background:var(--pink);
      color:#6B4A56;
      font-size:14px;
      border:1px solid rgba(248,185,201,.55);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-head p{max-width:660px}
    .problem-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      grid-auto-rows:minmax(154px,auto);
      gap:18px;
    }
    .problem-card{
      position:relative;
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:26px;
      box-shadow:var(--shadow);
      transition:.22s ease;
      overflow:hidden;
    }
    .problem-card.large{grid-row:span 2}
    .problem-card:hover,.solution-card:hover,.list-card:hover,.mini-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .problem-card:after{
      content:"";
      position:absolute;
      right:18px;top:18px;
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(145deg,var(--pink),rgba(234,242,255,.86));
    }
    .problem-card .icon{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:18px;
      position:relative;
      z-index:1;
    }
    .problem-card p{margin-top:10px}
    .solution-wrap{
      display:grid;
      grid-template-columns:330px 1fr;
      gap:28px;
      align-items:start;
    }
    .timeline{
      background:linear-gradient(180deg,var(--primary-soft),#fff);
      border:1px solid var(--border-strong);
      border-radius:var(--radius-lg);
      padding:28px;
      position:sticky;
      top:28px;
    }
    .timeline-step{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed rgba(47,111,235,.2)}
    .timeline-step:last-child{border-bottom:0}
    .timeline-step b{
      width:32px;height:32px;border-radius:50%;
      background:#fff;color:var(--primary);
      display:grid;place-items:center;
      box-shadow:0 8px 18px rgba(47,111,235,.12);
      flex:0 0 auto;
    }
    .solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .solution-card,.list-card,.mini-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:26px;
      box-shadow:var(--shadow);
      transition:.22s ease;
    }
    .number{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:36px;height:36px;
      border-radius:14px;
      background:var(--pink);
      color:#B45872;
      font-weight:900;
      margin-bottom:16px;
    }
    .card-link{
      display:inline-flex;align-items:center;gap:6px;
      margin-top:16px;
      color:var(--primary);
      font-weight:800;
    }
    .card-link:hover{text-decoration:underline;text-underline-offset:4px}
    .dashboard{
      border-radius:var(--radius-lg);
      border:1px solid var(--border-strong);
      background:
        linear-gradient(135deg,rgba(234,242,255,.98),rgba(255,255,255,.95) 52%,rgba(255,232,239,.7)),
        repeating-linear-gradient(135deg,rgba(245,158,11,.08) 0 2px,transparent 2px 14px);
      padding:30px;
      box-shadow:var(--shadow);
    }
    .data-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
      margin-top:24px;
    }
    .data-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(148,163,184,.2);
      border-radius:24px;
      padding:24px;
    }
    .data-card.feature{grid-row:span 2}
    .metric{font-size:46px;font-weight:900;color:var(--primary);letter-spacing:-.04em}
    .metric small{font-size:16px;color:var(--weak);font-weight:800}
    .spark{
      height:54px;margin-top:18px;border-radius:16px;
      background:linear-gradient(135deg,rgba(47,111,235,.13),rgba(245,158,11,.12));
      position:relative;overflow:hidden;
    }
    .spark:after{
      content:"";
      position:absolute;left:12px;right:12px;bottom:16px;height:22px;
      border-top:3px solid var(--primary);
      border-right:3px solid var(--primary);
      transform:skewX(-24deg);
      opacity:.7;
    }
    .form-cta{
      display:grid;
      grid-template-columns:1fr 430px;
      gap:28px;
      align-items:center;
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:34px;
      box-shadow:var(--shadow);
    }
    .quick-form{
      background:var(--bg);
      border:1px solid var(--border);
      border-radius:26px;
      padding:24px;
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field-full{grid-column:1/-1}
    .privacy{
      display:flex;gap:10px;align-items:flex-start;
      margin:14px 0;
      color:var(--weak);
      font-size:13px;
      line-height:1.6;
    }
    .privacy input{width:18px;min-height:18px;margin-top:3px;accent-color:var(--primary)}
    .form-message{
      display:none;
      margin-top:12px;
      border-radius:14px;
      padding:10px 12px;
      font-size:14px;
      font-weight:700;
    }
    .form-message.success{display:block;background:#ECFDF5;color:#047857;border:1px solid #A7F3D0}
    .content-strip{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:18px;
    }
    .list-card.feature{
      background:linear-gradient(145deg,#fff,var(--primary-soft));
      min-height:260px;
    }
    .list-meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
    .faq-wrap{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--border);
      border-radius:20px;overflow:hidden;
      box-shadow:0 12px 28px rgba(31,55,89,.05);
    }
    .faq-q{
      width:100%;
      min-height:62px;
      padding:18px 22px;
      background:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      text-align:left;
      font-weight:800;
      color:var(--text);
    }
    .faq-q span:last-child{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open{background:var(--primary-soft);border-color:var(--border-strong)}
    .faq-item.open .faq-q{background:var(--primary-soft)}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:#fff}
    .faq-item.open .faq-a{display:block}
    .final-cta{
      background:
        radial-gradient(circle at 16% 20%,rgba(255,232,239,.9),transparent 34%),
        linear-gradient(135deg,var(--primary-soft),#fff);
      border:1px solid var(--border-strong);
      border-radius:var(--radius-lg);
      padding:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      box-shadow:var(--shadow);
    }
    .footer{
      padding:46px 0 28px;
      background:var(--bg-2);
      border-top:1px solid var(--border);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      margin-bottom:28px;
    }
    .footer-brand{font-size:20px;font-weight:900;color:var(--primary-dark);margin-bottom:10px}
    .footer h3{font-size:16px;margin-bottom:12px}
    .footer a{display:block;color:var(--muted);margin:8px 0;font-size:14px;transition:.2s ease}
    .footer a:hover{color:var(--primary);transform:translateX(2px)}
    .copyright{
      border-top:1px solid var(--border);
      padding-top:18px;
      color:var(--weak);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .skip-focus:focus,.btn:focus,.rail-link:focus,.faq-q:focus,.menu-toggle:focus{
      outline:3px solid rgba(47,111,235,.25);
      outline-offset:3px;
    }
    @media (max-width:1199px){
      .container{width:min(100% - 56px,980px)}
      h1{font-size:43px}
      .hero-grid,.form-cta{grid-template-columns:1fr}
      .solution-wrap{grid-template-columns:1fr}
      .timeline{position:relative;top:auto}
      .problem-grid{grid-template-columns:1fr 1fr}
      .data-grid{grid-template-columns:1fr 1fr}
      .data-card.feature{grid-row:auto;grid-column:1/-1}
      .content-strip{grid-template-columns:1fr 1fr}
      .content-strip .feature{grid-column:1/-1}
    }
    @media (max-width:991px){
      .desktop-rail{display:none}
      .mobile-header{display:block}
      .page{margin-left:0}
      .hero{padding-top:46px}
      .section{padding:64px 0}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .final-cta{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:767px){
      .container{width:calc(100% - 36px)}
      h1{font-size:34px}
      h2{font-size:28px}
      .lead{font-size:16px}
      .hero-actions,.final-cta .hero-actions{flex-direction:column;width:100%}
      .btn{width:100%}
      .hero-panel,.dashboard,.form-cta,.final-cta{padding:22px;border-radius:24px}
      .problem-grid,.solution-grid,.data-grid,.content-strip,.footer-grid,.form-grid{grid-template-columns:1fr}
      .problem-card.large{grid-row:auto}
      .field-full{grid-column:auto}
      .mobile-menu{grid-template-columns:1fr}
      .diagnosis-head{flex-direction:column}
    }
    @media (max-width:480px){
      .container{width:calc(100% - 32px)}
      h1{font-size:31px}
      .section{padding:54px 0}
      .problem-card,.solution-card,.list-card,.mini-card{padding:20px;border-radius:20px}
      .metric{font-size:38px}
      .mobile-brand span{font-size:14px}
      .trust-row{gap:8px}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FEB;
      --primary-dark:#1E55C7;
      --primary-soft:#EAF2FF;
      --pink:#FFE8EF;
      --pink-strong:#F8B9C9;
      --amber:#F59E0B;
      --amber-soft:#FFF4DE;
      --bg:#F8FAFC;
      --surface:#FFFFFF;
      --surface-soft:#F4F7FB;
      --text:#132033;
      --muted:#4B5563;
      --weak:#7A8699;
      --border:#E5EAF2;
      --border-strong:rgba(47,111,235,.28);
      --shadow:0 18px 45px rgba(31,55,89,.08);
      --shadow-hover:0 24px 58px rgba(31,55,89,.13);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --rail:98px;
      --container:1180px;
      --section:84px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 20% 8%, rgba(255,232,239,.85), transparent 28%),
        radial-gradient(circle at 92% 22%, rgba(47,111,235,.13), transparent 26%),
        linear-gradient(180deg,#FBFDFF 0%,var(--bg) 52%,#FFFFFF 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{cursor:pointer;border:0}
    input,select,textarea{
      width:100%;
      border:1px solid var(--border);
      background:#fff;
      border-radius:16px;
      padding:13px 15px;
      min-height:50px;
      transition:var(--ease);
    }
    textarea{min-height:112px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      outline:none;
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(47,111,235,.12);
    }
    input::placeholder,textarea::placeholder{color:#A3ACBA}
    :focus-visible{
      outline:3px solid rgba(47,111,235,.25);
      outline-offset:3px;
    }

    .desktop-rail{
      position:fixed;
      left:0;
      top:0;
      bottom:0;
      width:var(--rail);
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(16px);
      border-right:1px solid rgba(229,234,242,.85);
      z-index:50;
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:22px 12px;
      box-shadow:10px 0 35px rgba(31,55,89,.04);
    }
    .rail-logo{
      width:72px;
      min-height:72px;
      border-radius:24px;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      line-height:1.25;
      letter-spacing:.02em;
      background:
        linear-gradient(145deg,#fff 0%,#F2F7FF 52%,#FFF4F7 100%);
      border:1px solid rgba(47,111,235,.14);
      box-shadow:0 12px 28px rgba(47,111,235,.10);
      position:relative;
      overflow:hidden;
    }
    .rail-logo:after{
      content:"";
      position:absolute;
      right:-14px;
      bottom:-12px;
      width:44px;
      height:44px;
      border-radius:50%;
      border:8px solid rgba(245,158,11,.18);
      transform:rotate(-18deg);
    }
    .rail-nav{
      width:100%;
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:34px;
      align-items:center;
    }
    .rail-link{
      width:74px;
      min-height:66px;
      border-radius:22px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      color:var(--weak);
      font-size:12px;
      font-weight:700;
      transition:var(--ease);
    }
    .rail-link .icon{
      font-size:18px;
      line-height:1;
      color:#6B7C93;
      transition:var(--ease);
    }
    .rail-link:hover{
      background:var(--primary-soft);
      color:var(--primary);
      transform:translateY(-2px);
    }
    .rail-link:hover .icon{color:var(--primary)}
    .rail-link.active{
      background:linear-gradient(180deg,#EAF2FF 0%,#F8FBFF 100%);
      color:var(--primary);
      box-shadow:inset 0 0 0 1px rgba(47,111,235,.12);
    }
    .rail-link.active .icon{color:var(--primary)}
    .rail-cta{
      margin-top:auto;
      width:72px;
      min-height:72px;
      border-radius:999px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:#fff;
      font-size:13px;
      font-weight:800;
      line-height:1.25;
      box-shadow:0 16px 34px rgba(47,111,235,.26);
      transition:var(--ease);
    }
    .rail-cta:hover{
      transform:translateY(-3px);
      background:var(--primary-dark);
      box-shadow:0 22px 42px rgba(47,111,235,.34);
    }

    .mobile-header{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
    }
    .mobile-header-inner{
      min-height:68px;
      padding:0 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .mobile-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--primary);
      line-height:1.2;
    }
    .mobile-brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:linear-gradient(145deg,var(--primary-soft),var(--pink));
      border:1px solid rgba(47,111,235,.15);
      position:relative;
    }
    .mobile-brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:50%;
      border:4px solid rgba(245,158,11,.36);
    }
    .menu-toggle{
      width:46px;
      height:46px;
      border-radius:16px;
      background:var(--surface-soft);
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:22px;
      transition:var(--ease);
    }
    .menu-toggle:hover,.menu-toggle[aria-expanded="true"]{
      background:var(--primary-soft);
      color:var(--primary);
    }
    .mobile-panel{
      display:none;
      padding:0 18px 18px;
      border-top:1px solid rgba(229,234,242,.7);
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:10px 12px;
      border-radius:14px;
      font-weight:700;
      color:var(--muted);
      transition:var(--ease);
    }
    .mobile-panel a:hover,.mobile-panel a.active{
      background:var(--primary-soft);
      color:var(--primary);
    }

    .page{
      margin-left:var(--rail);
      min-height:100vh;
    }
    .container{
      width:min(var(--container),calc(100% - 80px));
      margin:0 auto;
    }
    .section{padding:var(--section) 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(47,111,235,.16);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      box-shadow:0 10px 28px rgba(47,111,235,.06);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(245,158,11,.14);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(32px,4.2vw,50px);
      line-height:1.14;
      letter-spacing:-.04em;
      margin:18px 0 18px;
      max-width:850px;
    }
    h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:10px;
    }
    p{color:var(--muted)}
    .lead{
      font-size:17px;
      line-height:1.9;
      max-width:760px;
      color:#465469;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-head p{
      max-width:620px;
      margin-bottom:0;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      line-height:1;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 16px 34px rgba(47,111,235,.22);
    }
    .btn-primary:hover{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 22px 42px rgba(47,111,235,.30);
    }
    .btn-secondary{
      background:#fff;
      color:var(--primary);
      border-color:rgba(47,111,235,.20);
      box-shadow:0 12px 26px rgba(31,55,89,.06);
    }
    .btn-secondary:hover{
      background:var(--primary-soft);
      transform:translateY(-2px);
      border-color:rgba(47,111,235,.32);
    }
    .btn-ghost{
      background:transparent;
      color:var(--muted);
      border-color:rgba(148,163,184,.25);
    }
    .btn-ghost:hover{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .tag-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:9px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .tag:hover{
      border-color:var(--border-strong);
      color:var(--primary);
      transform:translateY(-1px);
    }
    .tag.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 12px 24px rgba(47,111,235,.18);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:#A05B00;
      background:var(--amber-soft);
      font-size:13px;
      font-weight:800;
    }
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(47,111,235,.24);
      box-shadow:var(--shadow-hover);
    }

    .category-hero{
      padding:54px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      right:6%;
      top:20px;
      width:340px;
      height:340px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(47,111,235,.13),transparent 64%);
      pointer-events:none;
    }
    .hero-shell{
      position:relative;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:38px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,255,255,.95),rgba(248,251,255,.92)),
        repeating-linear-gradient(135deg,rgba(245,158,11,.05) 0,rgba(245,158,11,.05) 2px,transparent 2px,transparent 16px);
      border:1px solid rgba(47,111,235,.12);
      box-shadow:var(--shadow);
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:14px;
      margin-bottom:18px;
      font-weight:700;
    }
    .breadcrumb a{color:var(--primary)}
    .breadcrumb a:hover{text-decoration:underline}
    .hero-panel{
      padding:28px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:var(--pink);
    }
    .panel-title{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .score-ring{
      width:82px;
      height:82px;
      border-radius:50%;
      background:conic-gradient(var(--primary) 0 72%,#EAF2FF 72% 100%);
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow:inset 0 0 0 10px #fff;
      color:var(--primary);
      font-weight:900;
      font-size:22px;
      position:relative;
      z-index:1;
    }
    .diagnosis-list{
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .diagnosis-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:var(--surface-soft);
      border:1px solid rgba(229,234,242,.8);
    }
    .diagnosis-item span:first-child{
      width:28px;
      height:28px;
      border-radius:10px;
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      background:#fff;
      color:var(--primary);
      font-weight:900;
    }
    .diagnosis-item strong{
      display:block;
      line-height:1.35;
      margin-bottom:2px;
    }
    .diagnosis-item small{
      color:var(--weak);
      line-height:1.55;
      display:block;
    }

    .filter-card{
      padding:20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:26px;
    }
    .filter-card strong{white-space:nowrap}
    .filter-note{
      color:var(--weak);
      font-size:14px;
      margin-left:auto;
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .feature-topic{
      grid-row:span 2;
      padding:30px;
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(145deg,#FFFFFF 0%,#F4F8FF 72%,#FFF5F8 100%);
      position:relative;
      overflow:hidden;
    }
    .feature-topic:before{
      content:"";
      position:absolute;
      right:-54px;
      bottom:-54px;
      width:190px;
      height:190px;
      border-radius:50%;
      border:24px solid rgba(245,158,11,.10);
    }
    .topic-icon{
      width:54px;
      height:54px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:24px;
      font-weight:900;
      margin-bottom:18px;
    }
    .feature-topic h2{
      font-size:32px;
      margin-bottom:14px;
    }
    .topic-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:20px;
    }
    .meta-pill{
      padding:7px 10px;
      border-radius:999px;
      background:#fff;
      color:var(--weak);
      border:1px solid rgba(148,163,184,.22);
      font-size:13px;
      font-weight:700;
    }
    .compact-topic{
      padding:22px;
      display:grid;
      gap:10px;
    }
    .compact-topic .topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .compact-topic h3{margin-bottom:4px}
    .compact-topic p{
      margin-bottom:8px;
      font-size:15px;
      line-height:1.72;
    }
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary);
      font-weight:800;
      font-size:14px;
      width:max-content;
      transition:var(--ease);
    }
    .arrow-link:hover{gap:10px}

    .inline-cta{
      margin:18px 0;
      padding:24px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(120deg,var(--primary) 0%,#4C86F7 62%,#6EA2FF 100%);
      color:#fff;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:18px;
      box-shadow:0 22px 48px rgba(47,111,235,.23);
      overflow:hidden;
      position:relative;
    }
    .inline-cta:after{
      content:"";
      position:absolute;
      right:22%;
      top:-45px;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .inline-cta h3,.inline-cta p{position:relative;margin-bottom:0}
    .inline-cta p{color:rgba(255,255,255,.82);font-size:14px}
    .inline-cta .btn{
      position:relative;
      background:#fff;
      color:var(--primary);
      box-shadow:none;
    }
    .inline-cta .btn:hover{background:#F7FAFF}

    .sidebar{
      position:sticky;
      top:28px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:22px;
    }
    .side-card h3{
      font-size:18px;
      margin-bottom:14px;
    }
    .process-mini{
      display:grid;
      gap:12px;
      counter-reset:step;
    }
    .process-mini li{
      list-style:none;
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      padding-bottom:12px;
      border-bottom:1px dashed rgba(148,163,184,.28);
      counter-increment:step;
    }
    .process-mini li:last-child{border-bottom:0;padding-bottom:0}
    .process-mini li:before{
      content:counter(step);
      width:24px;
      height:24px;
      border-radius:9px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      flex:0 0 auto;
    }
    .quick-list{
      display:grid;
      gap:10px;
    }
    .quick-list a{
      padding:12px 13px;
      border-radius:15px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      background:var(--surface-soft);
      color:var(--muted);
      font-weight:700;
      transition:var(--ease);
      font-size:14px;
    }
    .quick-list a:hover{
      background:var(--primary-soft);
      color:var(--primary);
    }

    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .scenario-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .scenario-card:before{
      content:"";
      position:absolute;
      top:0;
      left:24px;
      width:46px;
      height:4px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--pink-strong));
    }
    .scenario-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(47,111,235,.22);
    }
    .scenario-card h3{font-size:18px;padding-top:10px}
    .scenario-card p{
      margin:0;
      font-size:15px;
      line-height:1.75;
    }

    .steps-band{
      border-radius:var(--radius-xl);
      padding:32px;
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:10px;
    }
    .step{
      position:relative;
      padding:18px 14px;
      border-radius:20px;
      background:var(--surface-soft);
      min-height:174px;
    }
    .step:not(:last-child):after{
      content:"";
      position:absolute;
      right:-14px;
      top:50%;
      width:18px;
      height:2px;
      background:rgba(47,111,235,.24);
    }
    .step-num{
      width:34px;
      height:34px;
      border-radius:13px;
      background:var(--primary);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      margin-bottom:14px;
      box-shadow:0 10px 20px rgba(47,111,235,.20);
    }
    .step h3{font-size:17px;margin-bottom:8px}
    .step p{font-size:14px;line-height:1.65;margin:0}

    .data-panel{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,#EFF6FF 0%,#FFFFFF 48%,#FFF5F8 100%);
      border:1px solid rgba(47,111,235,.14);
      box-shadow:var(--shadow);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .metric{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(148,163,184,.20);
    }
    .metric strong{
      display:block;
      font-size:36px;
      line-height:1;
      color:var(--primary);
      letter-spacing:-.04em;
      margin-bottom:10px;
    }
    .metric span{color:var(--weak);font-size:14px}
    .chart-card{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.20);
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .bars{
      display:flex;
      align-items:end;
      gap:10px;
      min-height:150px;
      padding-top:20px;
    }
    .bar{
      flex:1;
      border-radius:999px 999px 10px 10px;
      background:linear-gradient(180deg,var(--primary),#9CC0FF);
      min-height:40px;
      position:relative;
    }
    .bar:nth-child(2){height:76px;background:linear-gradient(180deg,#F8B9C9,#FFE8EF)}
    .bar:nth-child(3){height:112px}
    .bar:nth-child(4){height:92px;background:linear-gradient(180deg,#F59E0B,#FFE5AF)}
    .bar:nth-child(5){height:128px}
    .bar:nth-child(1){height:58px}
    .chart-note{
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid var(--border);
      color:var(--weak);
      font-size:14px;
    }

    .contact-card{
      padding:34px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:start;
    }
    .contact-points{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .contact-point{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:15px;
    }
    .contact-point:before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:8px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      display:block;
      font-size:14px;
      color:var(--text);
      font-weight:800;
      margin-bottom:7px;
    }
    .privacy-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin:14px 0 0;
      color:var(--weak);
      font-size:13px;
      line-height:1.65;
    }
    .privacy-line input{
      width:18px;
      height:18px;
      min-height:18px;
      margin-top:3px;
      accent-color:var(--primary);
      flex:0 0 auto;
    }
    .form-tip{
      display:none;
      margin-top:12px;
      padding:11px 13px;
      border-radius:14px;
      font-size:14px;
      font-weight:700;
    }
    .form-tip.show{display:block}
    .form-tip.success{
      color:#176044;
      background:#EAFBF3;
      border:1px solid rgba(23,96,68,.14);
    }
    .form-tip.error{
      color:#9B2C2C;
      background:#FFF1F1;
      border:1px solid rgba(155,44,44,.14);
    }
    .submit-row{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .submit-row small{color:var(--weak)}

    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:900px;
      margin:0 auto;
    }
    .faq-item{
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item:hover{border-color:rgba(47,111,235,.22)}
    .faq-question{
      width:100%;
      min-height:62px;
      padding:18px 22px;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      color:var(--text);
      font-weight:850;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:10px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--surface-soft);
      color:var(--primary);
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .24s ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 22px 20px;
      font-size:15px;
      line-height:1.8;
    }
    .faq-item.open{
      background:linear-gradient(180deg,#FFFFFF 0%,#F6FAFF 100%);
      border-color:rgba(47,111,235,.22);
    }
    .faq-item.open .faq-question span:last-child{
      transform:rotate(45deg);
      background:var(--primary);
      color:#fff;
    }
    .faq-item.open .faq-answer{max-height:220px}

    .final-cta{
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,#FFFFFF 0%,#EEF6FF 70%,#FFF3F7 100%);
      border:1px solid rgba(47,111,235,.14);
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      position:relative;
      overflow:hidden;
    }
    .final-cta:before{
      content:"";
      position:absolute;
      right:-36px;
      top:-42px;
      width:150px;
      height:150px;
      border-radius:50%;
      border:22px solid rgba(245,158,11,.12);
    }
    .final-cta > *{position:relative}
    .final-cta p{margin-bottom:0}
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .footer{
      background:#F4F7FB;
      border-top:1px solid var(--border);
      padding:52px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr;
      gap:36px;
    }
    .footer-brand{
      color:var(--primary);
      font-size:20px;
      font-weight:900;
      margin-bottom:12px;
      letter-spacing:-.02em;
    }
    .footer p{
      color:var(--weak);
      margin:0;
      font-size:14px;
      line-height:1.8;
    }
    .footer h3{
      font-size:15px;
      margin:0 0 12px;
    }
    .footer a{
      display:block;
      color:var(--weak);
      font-size:14px;
      margin:8px 0;
      transition:var(--ease);
    }
    .footer a:hover{
      color:var(--primary);
      transform:translateX(2px);
    }
    .copyright{
      margin-top:32px;
      padding-top:20px;
      border-top:1px solid rgba(148,163,184,.22);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#8A95A6;
      font-size:13px;
    }

    @media (max-width:1199px){
      :root{--rail:92px;--container:1040px}
      .container{width:min(var(--container),calc(100% - 56px))}
      .content-layout{grid-template-columns:minmax(0,1fr) 300px}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
      .steps-band{grid-template-columns:repeat(3,1fr)}
      .step:not(:last-child):after{display:none}
    }
    @media (max-width:991px){
      .desktop-rail{display:none}
      .mobile-header{display:block}
      .page{margin-left:0}
      .container{width:calc(100% - 48px)}
      .hero-shell,.content-layout,.data-panel,.contact-card{
        grid-template-columns:1fr;
      }
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .topic-grid{grid-template-columns:1fr}
      .feature-topic{min-height:auto}
      .filter-card{align-items:flex-start;flex-direction:column}
      .filter-note{margin-left:0}
      .section-head{display:block}
      .section-head p{margin-top:8px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      :root{--section:58px}
      .container{width:calc(100% - 36px)}
      .category-hero{padding:34px 0 26px}
      .hero-copy,.hero-panel,.contact-card,.final-cta{padding:24px}
      .hero-actions,.cta-actions,.submit-row{width:100%}
      .btn{width:100%}
      .tag-row{gap:8px}
      .inline-cta{
        grid-template-columns:1fr;
        padding:22px;
      }
      .scenario-grid,.metric-grid,.sidebar,.steps-band,.form-grid{
        grid-template-columns:1fr;
      }
      .feature-topic h2{font-size:26px}
      .steps-band{padding:20px}
      .data-panel{padding:20px}
      .final-cta{
        display:block;
      }
      .final-cta .cta-actions{margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }
    @media (max-width:480px){
      .container{width:calc(100% - 30px)}
      h1{font-size:31px}
      h2{font-size:25px}
      .lead{font-size:16px}
      .mobile-brand{font-size:14px}
      .hero-copy,.hero-panel,.card,.side-card,.scenario-card{border-radius:22px}
      .filter-card{padding:16px}
      .compact-topic,.side-card,.metric{padding:18px}
      .faq-question{padding:16px 18px}
      .faq-answer p{padding:0 18px 18px}
    }