/* roulang page: index */
:root{
      --primary:#2563d8;
      --primary-2:#2f6feb;
      --primary-dark:#153e8a;
      --accent:#18a0a6;
      --warm:#f59e0b;
      --bg:#f6f9ff;
      --bg-soft:#f8fafc;
      --surface:#ffffff;
      --text:#334155;
      --heading:#0f274d;
      --muted:#64748b;
      --border:#dde7f5;
      --border-soft:#e6edf7;
      --shadow:0 18px 45px rgba(37,99,216,.08);
      --shadow-hover:0 24px 60px rgba(37,99,216,.14);
      --radius-xl:24px;
      --radius-lg:18px;
      --radius-md:14px;
      --nav-h:76px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:linear-gradient(180deg,#f6f9ff 0%,#ffffff 34%,#f8fafc 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    img{max-width:100%;height:auto}
    button,input,select,textarea{font-family:inherit}
    ::selection{background:rgba(37,99,216,.16)}
    .container{max-width:1180px}
    .section{padding:86px 0;position:relative}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#eef5ff;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      border:1px solid rgba(37,99,216,.12);
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 0 4px rgba(37,99,216,.1);
    }
    h1,h2,h3,h4{color:var(--heading);font-weight:800;line-height:1.22;margin:0}
    h1{font-size:clamp(32px,5vw,54px);letter-spacing:-.04em}
    h2{font-size:clamp(26px,3.3vw,38px);letter-spacing:-.03em}
    h3{font-size:20px}
    p{margin:0}
    .lead-text{font-size:17px;color:var(--muted);max-width:640px}
    .text-muted-custom{color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1020;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(221,231,245,.8);
      transition:box-shadow .2s ease,background .2s ease;
    }
    .site-header.scrolled{box-shadow:0 12px 36px rgba(15,39,77,.08);background:rgba(255,255,255,.96)}
    .navbar{min-height:var(--nav-h);padding:10px 0}
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--heading);
      letter-spacing:-.02em;
      max-width:430px;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),#4ca6ff);
      display:grid;place-items:center;
      color:#fff;
      box-shadow:0 14px 26px rgba(37,99,216,.22);
      flex:0 0 auto;
    }
    .logo-mark svg{width:22px;height:22px}
    .brand-text{font-size:17px;white-space:nowrap}
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
    }
    .navbar-nav{gap:8px;align-items:center}
    .nav-link{
      color:#475569;
      font-weight:700;
      font-size:15px;
      padding:10px 16px!important;
      border-radius:999px;
    }
    .nav-link:hover,.nav-link:focus{color:var(--primary-dark);background:#eef5ff}
    .nav-link.active{color:var(--primary);background:#eef5ff}
    .btn-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:12px 20px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
      min-height:48px;
    }
    .btn-primary-custom{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff!important;
      box-shadow:0 14px 28px rgba(37,99,216,.22);
    }
    .btn-primary-custom:hover,.btn-primary-custom:focus-visible{
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(37,99,216,.3);
    }
    .btn-secondary-custom{
      background:#fff;
      color:var(--primary)!important;
      border-color:rgba(37,99,216,.18);
    }
    .btn-secondary-custom:hover,.btn-secondary-custom:focus-visible{
      background:#eef5ff;
      transform:translateY(-2px);
      border-color:rgba(37,99,216,.35);
    }
    .btn-text{
      color:var(--primary);
      font-weight:800;
      display:inline-flex;
      gap:6px;
      align-items:center;
    }
    .btn-text::after{content:"→";transition:transform .2s ease}
    .btn-text:hover::after{transform:translateX(4px)}
    a:focus-visible,button:focus-visible,.form-control:focus,.form-select:focus,.form-check-input:focus{
      outline:3px solid rgba(37,99,216,.18);
      outline-offset:3px;
      box-shadow:none;
    }
    .hero{
      position:relative;
      padding:86px 0 72px;
      overflow:hidden;
      background:
        radial-gradient(circle at 8% 20%,rgba(76,166,255,.18),transparent 28%),
        radial-gradient(circle at 86% 14%,rgba(24,160,166,.14),transparent 26%),
        linear-gradient(180deg,#f6f9ff 0%,#ffffff 100%);
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background-image:linear-gradient(rgba(37,99,216,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,216,.05) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 80%);
      pointer-events:none;
    }
    .hero .container{position:relative;z-index:1}
    .hero-copy{padding:34px 0}
    .hero-subtitle{margin-top:22px;font-size:18px;color:var(--muted);max-width:620px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .trust-tag{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#475569;
      font-size:13px;
      font-weight:700;
      box-shadow:0 8px 22px rgba(15,39,77,.04);
    }
    .trust-dot{width:7px;height:7px;border-radius:999px;background:var(--accent)}
    .dashboard-wrap{
      position:relative;
      min-height:470px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .dashboard-card{
      width:min(100%,490px);
      border-radius:30px;
      padding:22px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(221,231,245,.9);
      box-shadow:var(--shadow-hover);
      position:relative;
      overflow:hidden;
    }
    .dashboard-card::before{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:999px;
      background:radial-gradient(circle,rgba(76,166,255,.22),transparent 68%);
      right:-70px;top:-70px;
    }
    .dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;position:relative}
    .dash-title{font-size:15px;font-weight:800;color:var(--heading)}
    .status-pill{padding:6px 10px;border-radius:999px;background:#e9fbfb;color:#0f766e;font-size:12px;font-weight:800}
    .visual-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;position:relative}
    .visual-panel{
      border-radius:20px;
      background:#f8fbff;
      border:1px solid var(--border-soft);
      padding:18px;
      min-height:150px;
    }
    .shield{
      width:58px;height:58px;border-radius:18px;
      background:linear-gradient(135deg,var(--primary),#4ca6ff);
      display:grid;place-items:center;color:#fff;margin-bottom:18px;
    }
    .progress-line{height:10px;border-radius:999px;background:#e8f0fb;margin:12px 0;overflow:hidden}
    .progress-line span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .mini-list{display:grid;gap:10px}
    .mini-item{
      display:flex;align-items:center;gap:10px;
      padding:12px;border-radius:16px;background:#fff;border:1px solid var(--border-soft);
      font-size:13px;font-weight:700;color:#475569;
    }
    .mini-icon{width:30px;height:30px;border-radius:10px;background:#eef5ff;display:grid;place-items:center;color:var(--primary);flex:0 0 auto}
    .float-note{
      position:absolute;
      right:2%;
      bottom:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      border-radius:18px;
      padding:14px 16px;
      color:var(--heading);
      font-weight:800;
      font-size:14px;
      display:flex;gap:10px;align-items:center;
    }
    .float-note span{width:10px;height:10px;border-radius:50%;background:var(--warm)}
    .problem-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .problem-card,.solution-card,.metric-card,.privacy-card,.quote-card,.category-entry{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .problem-card{padding:26px;min-height:230px}
    .problem-card:nth-child(2){transform:translateY(18px)}
    .problem-card:nth-child(3){grid-column:span 2;min-height:230px}
    .problem-card:hover,.solution-card:hover,.category-entry:hover,.quote-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,216,.35);
    }
    .problem-card:nth-child(2):hover{transform:translateY(14px)}
    .icon-box{
      width:50px;height:50px;border-radius:16px;
      background:linear-gradient(135deg,#eef5ff,#e9fbfb);
      color:var(--primary);
      display:grid;place-items:center;
      margin-bottom:18px;
    }
    .icon-box svg{width:24px;height:24px}
    .problem-card h3{margin-bottom:12px}
    .problem-card p{color:var(--muted);font-size:15px}
    .tag-line{
      display:flex;gap:8px;flex-wrap:wrap;margin-top:18px
    }
    .tag{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:#f1f6ff;
      border:1px solid rgba(37,99,216,.12);
      color:#42628f;
      font-size:12px;
      font-weight:800;
    }
    .solution-layout{
      margin-top:36px;
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .solution-feature{
      border-radius:30px;
      background:linear-gradient(145deg,#153e8a,#2563d8);
      color:#fff;
      padding:34px;
      position:relative;
      overflow:hidden;
      box-shadow:0 26px 58px rgba(21,62,138,.24);
    }
    .solution-feature::after{
      content:"";
      position:absolute;right:-80px;bottom:-90px;
      width:260px;height:260px;border-radius:999px;
      background:rgba(255,255,255,.13);
    }
    .solution-feature h2,.solution-feature h3{color:#fff}
    .solution-feature p{color:#d9e6f8;margin-top:16px}
    .step-list{display:grid;gap:14px;margin-top:26px;position:relative;z-index:1}
    .step-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
    }
    .step-num{
      width:30px;height:30px;border-radius:999px;background:#fff;color:var(--primary);
      display:grid;place-items:center;font-weight:900;flex:0 0 auto;
    }
    .solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .solution-card{padding:24px}
    .solution-card h3{margin-bottom:12px}
    .check-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px;color:var(--muted);font-size:15px}
    .check-list li{display:flex;gap:8px}
    .check-list li::before{content:"✓";color:var(--accent);font-weight:900}
    .metrics-band{
      border-radius:32px;
      background:linear-gradient(135deg,#eef5ff,#f8fbff);
      border:1px solid var(--border);
      padding:26px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .metrics-band::before{
      content:"";
      position:absolute;left:-80px;top:-100px;width:250px;height:250px;border-radius:999px;
      background:rgba(76,166,255,.18);
    }
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
    .metric-card{padding:24px;background:rgba(255,255,255,.92)}
    .metric-num{font-size:34px;font-weight:900;color:var(--primary-dark);line-height:1}
    .metric-label{margin-top:10px;font-weight:800;color:var(--heading)}
    .metric-note{font-size:13px;color:var(--muted);margin-top:6px}
    .entry-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px}
    .category-entry{padding:28px;display:flex;gap:20px;align-items:flex-start}
    .entry-media{
      width:74px;height:74px;border-radius:22px;
      background:
        linear-gradient(135deg,rgba(37,99,216,.14),rgba(24,160,166,.16)),
        radial-gradient(circle at 70% 30%,#fff 0 18%,transparent 19%);
      border:1px solid var(--border);
      flex:0 0 auto;
      display:grid;place-items:center;color:var(--primary);
    }
    .privacy-card{
      padding:30px;
      background:linear-gradient(135deg,#ffffff,#f4f9ff);
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:20px;
      align-items:center;
    }
    .privacy-card .icon-box{margin:0}
    .quote-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:34px}
    .quote-card{padding:28px}
    .score-list{display:grid;gap:16px}
    .score-row{display:grid;grid-template-columns:90px 1fr 46px;gap:12px;align-items:center;font-size:14px;font-weight:800;color:#475569}
    .score-bar{height:10px;background:#e8f0fb;border-radius:999px;overflow:hidden}
    .score-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .accordion{display:grid;gap:14px;margin-top:34px}
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:20px!important;
      overflow:hidden;
      box-shadow:0 10px 26px rgba(37,99,216,.05);
      background:#fff;
    }
    .accordion-button{
      font-weight:800;
      color:var(--heading);
      background:#fff!important;
      padding:20px 22px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      border-left:4px solid var(--primary);
      background:#f4f8ff!important;
    }
    .accordion-button::after{
      width:30px;height:30px;border-radius:999px;background-color:#eef5ff;
      background-position:center;
      background-size:14px;
    }
    .accordion-body{padding:0 22px 22px 26px;color:var(--muted)}
    .cta-section{
      padding:76px 0;
      background:
        radial-gradient(circle at 15% 15%,rgba(76,166,255,.2),transparent 28%),
        linear-gradient(135deg,#0f274d,#153e8a);
      color:#d9e6f8;
      position:relative;
      overflow:hidden;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-section h2{color:#fff}
    .cta-section p{color:#d9e6f8;margin-top:14px;max-width:680px}
    .form-control,.form-select{
      border:1px solid var(--border);
      border-radius:15px;
      padding:13px 15px;
      color:var(--text);
      background:#fbfdff;
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(37,99,216,.45);
      background:#fff;
      box-shadow:0 0 0 4px rgba(37,99,216,.1);
      outline:0;
    }
    .modal-content{
      border:0;
      border-radius:28px;
      overflow:hidden;
      box-shadow:0 30px 80px rgba(15,39,77,.22);
    }
    .modal-header{
      background:linear-gradient(135deg,#eef5ff,#ffffff);
      border-bottom:1px solid var(--border);
      padding:24px 26px;
    }
    .modal-title{font-weight:900;color:var(--heading)}
    .modal-body{padding:26px}
    .modal-footer{border-top:1px solid var(--border-soft);padding:20px 26px}
    .form-label{font-weight:800;color:var(--heading);font-size:14px}
    .form-check-label{color:var(--muted);font-size:14px}
    .site-footer{
      background:#0f274d;
      color:#d9e6f8;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .9fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(217,230,248,.14);
    }
    .footer-brand{display:flex;gap:12px;align-items:center;font-weight:900;color:#fff;margin-bottom:14px}
    .footer-brand .logo-mark{box-shadow:none}
    .footer-title{font-weight:900;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#d9e6f8}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-muted{color:#9fb4d0;font-size:14px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#9fb4d0;
      font-size:14px;
    }
    @media (max-width:1199px){
      .problem-grid{grid-template-columns:repeat(2,1fr)}
      .problem-card:nth-child(3){grid-column:auto}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      :root{--nav-h:66px}
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border-radius:20px;
        background:#fff;
        border:1px solid var(--border);
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch}
      .nav-cta{margin-top:8px;width:100%}
      .hero{padding:56px 0 58px}
      .dashboard-wrap{min-height:auto;margin-top:18px}
      .solution-layout,.entry-layout,.quote-grid,.cta-box,.footer-grid{grid-template-columns:1fr}
      .privacy-card{grid-template-columns:1fr}
      .section{padding:66px 0}
    }
    @media (max-width:767px){
      .brand-text{font-size:14px;max-width:235px;overflow:hidden;text-overflow:ellipsis}
      .hero-copy{padding:16px 0}
      .hero-actions .btn-pill{width:100%}
      .problem-grid,.solution-grid,.metric-grid{grid-template-columns:1fr}
      .problem-card:nth-child(2){transform:none}
      .problem-card:nth-child(2):hover{transform:translateY(-4px)}
      .category-entry{flex-direction:column}
      .score-row{grid-template-columns:76px 1fr 38px}
      .visual-grid{grid-template-columns:1fr}
      .float-note{position:static;margin-top:14px}
      .footer-grid{gap:24px}
    }
    @media (max-width:520px){
      .section{padding:54px 0}
      .hero{padding:44px 0 48px}
      .dashboard-card,.solution-feature,.metrics-band{border-radius:24px;padding:20px}
      .problem-card,.solution-card,.quote-card,.privacy-card,.category-entry{padding:22px;border-radius:20px}
      .metric-num{font-size:30px}
      .cta-section{padding:58px 0}
    }

/* roulang page: category1 */
:root{
      --primary:#2563D8;
      --primary-strong:#153E8A;
      --primary-soft:#EEF5FF;
      --accent:#18A0A6;
      --accent-soft:#E9FBFC;
      --warn:#F59E0B;
      --bg:#F6F9FF;
      --bg-2:#F8FAFC;
      --surface:#FFFFFF;
      --text:#334155;
      --heading:#102A56;
      --muted:#64748B;
      --border:#DDE7F5;
      --border-2:#E6EDF7;
      --footer:#0F274D;
      --footer-text:#D9E6F8;
      --footer-muted:#9FB4D0;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 18px 45px rgba(37,99,216,.08);
      --shadow-hover:0 24px 60px rgba(37,99,216,.14);
      --transition:all .24s 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 12% 8%, rgba(76,166,255,.16), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(24,160,166,.12), transparent 30%),
        linear-gradient(180deg,#F6F9FF 0%,#FFFFFF 34%,#F8FAFC 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(37,99,216,.16);color:var(--heading)}
    :focus-visible{
      outline:3px solid rgba(37,99,216,.22);
      outline-offset:3px;
      border-radius:12px;
    }

    .container{max-width:1180px}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-title{
      color:var(--heading);
      font-size:34px;
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0 0 14px;
    }
    .section-desc{
      color:var(--muted);
      max-width:720px;
      margin:0;
      font-size:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(37,99,216,.14);
      background:rgba(238,245,255,.86);
      color:var(--primary-strong);
      border-radius:999px;
      font-weight:700;
      font-size:13px;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(24,160,166,.12);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(221,231,245,.78);
      transition:var(--transition);
    }
    .site-header .navbar{
      min-height:76px;
      padding:0;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--heading);
      letter-spacing:-.01em;
    }
    .brand-logo:hover{color:var(--primary-strong)}
    .logo-mark{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),#4CA6FF);
      box-shadow:0 12px 28px rgba(37,99,216,.22);
    }
    .logo-mark svg{width:24px;height:24px}
    .brand-text{
      white-space:nowrap;
      font-size:17px;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }
    .navbar-toggler-icon{
      width:1.25em;
      height:1.25em;
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2816, 42, 86, .86%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    .navbar-nav{
      align-items:center;
      gap:6px;
    }
    .nav-link{
      color:var(--muted);
      font-weight:700;
      padding:9px 15px!important;
      border-radius:999px;
      font-size:15px;
    }
    .nav-link:hover{
      color:var(--primary-strong);
      background:var(--primary-soft);
    }
    .nav-link.active{
      color:var(--primary-strong)!important;
      background:rgba(37,99,216,.11);
    }

    .btn-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      transition:var(--transition);
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary-custom{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#2F6FEB);
      box-shadow:0 14px 30px rgba(37,99,216,.20);
    }
    .btn-primary-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      background:linear-gradient(135deg,#1D55C3,var(--primary-strong));
      box-shadow:0 18px 38px rgba(37,99,216,.28);
    }
    .btn-secondary-custom{
      color:var(--primary-strong);
      background:#fff;
      border-color:rgba(37,99,216,.18);
      box-shadow:0 10px 22px rgba(37,99,216,.06);
    }
    .btn-secondary-custom:hover{
      color:var(--primary-strong);
      background:var(--primary-soft);
      transform:translateY(-2px);
      border-color:rgba(37,99,216,.30);
    }
    .nav-cta{min-height:40px;padding:11px 18px;font-size:14px}

    .category-hero{
      position:relative;
      padding:72px 0 46px;
      overflow:hidden;
      border-bottom:1px solid rgba(221,231,245,.82);
    }
    .category-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(37,99,216,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,216,.045) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent);
      pointer-events:none;
    }
    .hero-inner{position:relative;z-index:1}
    .breadcrumb-soft{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb-soft a{color:var(--primary-strong);font-weight:700}
    .breadcrumb-soft a:hover{color:var(--primary)}
    .category-hero h1{
      color:var(--heading);
      font-size:46px;
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.035em;
      max-width:820px;
      margin:0 0 18px;
    }
    .hero-lead{
      max-width:720px;
      color:var(--muted);
      font-size:18px;
      margin:0;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .hero-mini-panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(221,231,245,.95);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:22px;
      height:100%;
      position:relative;
      overflow:hidden;
    }
    .hero-mini-panel::after{
      content:"";
      position:absolute;
      width:150px;
      height:150px;
      right:-60px;
      top:-60px;
      border-radius:50%;
      background:rgba(24,160,166,.12);
    }
    .signal-row{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:13px 0;
      border-bottom:1px solid var(--border-2);
    }
    .signal-row:last-child{border-bottom:0}
    .signal-name{font-weight:800;color:var(--heading)}
    .signal-tag{
      color:var(--primary-strong);
      background:var(--primary-soft);
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }

    .filter-strip{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:4px 2px 16px;
      scrollbar-width:none;
      margin-bottom:22px;
    }
    .filter-strip::-webkit-scrollbar{display:none}
    .filter-chip{
      flex:0 0 auto;
      border:1px solid rgba(221,231,245,.95);
      background:#fff;
      color:var(--muted);
      border-radius:999px;
      padding:10px 15px;
      font-weight:800;
      font-size:14px;
      box-shadow:0 8px 20px rgba(15,39,77,.04);
    }
    .filter-chip.active,
    .filter-chip:hover{
      color:var(--primary-strong);
      background:var(--primary-soft);
      border-color:rgba(37,99,216,.24);
      transform:translateY(-1px);
    }

    .content-shell{
      display:grid;
      grid-template-columns:minmax(0,8fr) minmax(280px,4fr);
      gap:26px;
      align-items:start;
    }
    .list-stack{
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .media-card{
      display:grid;
      grid-template-columns:166px minmax(0,1fr);
      gap:20px;
      align-items:stretch;
      padding:18px;
      background:rgba(255,255,255,.94);
      border:1px solid rgba(221,231,245,.95);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 34px rgba(37,99,216,.06);
      transition:var(--transition);
    }
    .media-card:hover{
      transform:translateY(-3px);
      border-color:rgba(37,99,216,.34);
      box-shadow:var(--shadow-hover);
    }
    .abstract-cover{
      min-height:150px;
      border-radius:20px;
      background:
        radial-gradient(circle at 28% 24%, rgba(255,255,255,.85), transparent 28%),
        linear-gradient(135deg, rgba(37,99,216,.88), rgba(24,160,166,.72));
      position:relative;
      overflow:hidden;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
    }
    .abstract-cover::before,
    .abstract-cover::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.42);
      border-radius:22px;
      transform:rotate(-8deg);
    }
    .abstract-cover::before{
      width:86px;height:56px;left:22px;top:28px;background:rgba(255,255,255,.12);
    }
    .abstract-cover::after{
      width:105px;height:70px;right:-16px;bottom:18px;background:rgba(255,255,255,.09);
    }
    .cover-icon{
      width:54px;
      height:54px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.18);
      backdrop-filter:blur(8px);
      position:relative;
      z-index:1;
    }
    .cover-icon svg{width:30px;height:30px}
    .card-meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
      color:var(--primary-strong);
      background:var(--primary-soft);
      border:1px solid rgba(37,99,216,.12);
    }
    .tag.accent{
      color:#0E6F74;
      background:var(--accent-soft);
      border-color:rgba(24,160,166,.16);
    }
    .media-card h2,
    .media-card h3{
      color:var(--heading);
      font-size:22px;
      font-weight:850;
      line-height:1.32;
      margin:0 0 8px;
    }
    .media-card p{
      color:var(--muted);
      margin:0 0 14px;
      font-size:15.5px;
    }
    .feature-points{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:8px 12px;
      padding:0;
      margin:0 0 16px;
      list-style:none;
    }
    .feature-points li{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--text);
      font-size:14px;
      font-weight:650;
    }
    .feature-points li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(24,160,166,.10);
      flex:0 0 auto;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary-strong);
      font-weight:850;
      font-size:14px;
    }
    .text-link::after{
      content:"→";
      transition:var(--transition);
    }
    .text-link:hover{color:var(--primary)}
    .text-link:hover::after{transform:translateX(4px)}

    .side-column{
      position:sticky;
      top:96px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .side-card{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(221,231,245,.95);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:24px;
    }
    .side-card.highlight{
      background:linear-gradient(180deg,#FFFFFF 0%,#F1F7FF 100%);
    }
    .side-card h3{
      color:var(--heading);
      font-size:21px;
      font-weight:850;
      margin:0 0 10px;
    }
    .side-card p{
      color:var(--muted);
      margin:0 0 16px;
      font-size:15px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--text);
      font-weight:650;
      font-size:14.5px;
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      flex:0 0 22px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      background:rgba(37,99,216,.10);
      color:var(--primary);
      font-weight:900;
      line-height:1;
    }
    .score-item{margin-top:16px}
    .score-head{
      display:flex;
      justify-content:space-between;
      color:var(--heading);
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .score-bar{
      height:9px;
      background:#E8F0FB;
      border-radius:999px;
      overflow:hidden;
    }
    .score-bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }

    .compare-section{
      background:linear-gradient(180deg,#FFFFFF 0%,#F6F9FF 100%);
      border-top:1px solid rgba(221,231,245,.7);
      border-bottom:1px solid rgba(221,231,245,.7);
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
      margin-top:30px;
    }
    .compare-card{
      border-radius:var(--radius-lg);
      padding:26px;
      border:1px solid rgba(221,231,245,.95);
      background:#fff;
      box-shadow:0 14px 36px rgba(37,99,216,.06);
    }
    .compare-card.soft{
      background:linear-gradient(135deg,#F8FBFF,#EEF5FF);
      border-color:rgba(37,99,216,.18);
    }
    .compare-card h3{
      color:var(--heading);
      font-size:22px;
      font-weight:850;
      margin:0 0 16px;
    }
    .compare-list{
      padding:0;
      margin:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .compare-list li{
      display:flex;
      gap:10px;
      color:var(--text);
    }
    .compare-list li span{
      margin-top:2px;
      width:24px;
      height:24px;
      border-radius:8px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 24px;
      font-weight:900;
    }
    .compare-list .good span{background:rgba(24,160,166,.13);color:#0E7B80}
    .compare-list .neutral span{background:rgba(245,158,11,.13);color:#A36505}

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:30px;
    }
    .process-card{
      position:relative;
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(221,231,245,.95);
      box-shadow:0 12px 32px rgba(37,99,216,.055);
      transition:var(--transition);
    }
    .process-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .step-number{
      width:38px;
      height:38px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#4CA6FF);
      font-weight:900;
      margin-bottom:16px;
      box-shadow:0 12px 24px rgba(37,99,216,.18);
    }
    .process-card h3{
      color:var(--heading);
      font-size:18px;
      font-weight:850;
      margin:0 0 8px;
    }
    .process-card p{
      color:var(--muted);
      font-size:14.5px;
      margin:0;
    }

    .privacy-band{
      border-radius:32px;
      padding:34px;
      background:
        radial-gradient(circle at 92% 18%, rgba(24,160,166,.16), transparent 24%),
        linear-gradient(135deg,#FFFFFF,#F1F7FF);
      border:1px solid rgba(221,231,245,.95);
      box-shadow:var(--shadow);
    }
    .privacy-band h2{
      color:var(--heading);
      font-size:30px;
      font-weight:850;
      margin:0 0 12px;
    }
    .privacy-band p{
      color:var(--muted);
      margin:0;
    }
    .privacy-icons{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      margin-top:24px;
    }
    .privacy-icon-card{
      background:rgba(255,255,255,.76);
      border:1px solid rgba(221,231,245,.9);
      border-radius:18px;
      padding:16px;
      color:var(--heading);
      font-weight:800;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .privacy-icon-card span{
      width:30px;
      height:30px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      flex:0 0 auto;
    }

    .accordion{
      --bs-accordion-border-width:0;
      --bs-accordion-bg:transparent;
      display:flex;
      flex-direction:column;
      gap:14px;
      margin-top:30px;
    }
    .accordion-item{
      border:1px solid rgba(221,231,245,.95)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(37,99,216,.05);
    }
    .accordion-button{
      padding:20px 22px;
      color:var(--heading);
      font-weight:850;
      background:#fff;
      box-shadow:none!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-strong);
      background:linear-gradient(90deg,#EEF5FF,#FFFFFF);
      border-left:4px solid var(--primary);
    }
    .accordion-button::after{
      width:30px;
      height:30px;
      border-radius:50%;
      background-color:var(--primary-soft);
      background-position:center;
      background-size:14px;
    }
    .accordion-body{
      padding:0 22px 22px 26px;
      color:var(--muted);
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:42px;
      background:
        radial-gradient(circle at 82% 22%, rgba(255,255,255,.28), transparent 24%),
        linear-gradient(135deg,var(--primary-strong),var(--primary));
      color:#fff;
      box-shadow:0 26px 70px rgba(21,62,138,.22);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:auto -60px -90px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      border:34px solid rgba(255,255,255,.10);
    }
    .cta-panel h2{
      position:relative;
      font-size:32px;
      font-weight:850;
      margin:0 0 10px;
      letter-spacing:-.02em;
    }
    .cta-panel p{
      position:relative;
      color:rgba(255,255,255,.82);
      margin:0;
      max-width:700px;
    }
    .cta-panel .btn-secondary-custom{
      position:relative;
      border-color:rgba(255,255,255,.38);
    }

    .modal-content{
      border:0;
      border-radius:26px;
      overflow:hidden;
      box-shadow:0 30px 90px rgba(15,39,77,.28);
    }
    .modal-header{
      padding:24px 26px;
      background:linear-gradient(135deg,#F1F7FF,#FFFFFF);
      border-bottom:1px solid var(--border-2);
    }
    .modal-title{
      color:var(--heading);
      font-weight:850;
    }
    .modal-body{padding:26px}
    .btn-close{box-shadow:none!important}
    .form-label{
      color:var(--heading);
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .form-control,.form-select{
      min-height:48px;
      border-radius:15px;
      border:1px solid var(--border);
      color:var(--text);
      background-color:#fff;
      box-shadow:none!important;
      transition:var(--transition);
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(37,99,216,.55);
      box-shadow:0 0 0 4px rgba(37,99,216,.10)!important;
    }
    textarea.form-control{min-height:110px;resize:vertical}
    .form-check-input{
      border-color:var(--border);
      box-shadow:none!important;
    }
    .form-check-input:checked{
      background-color:var(--primary);
      border-color:var(--primary);
    }
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin-top:10px;
    }

    .site-footer{
      background:var(--footer);
      color:var(--footer-text);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr 1fr;
      gap:38px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(217,230,248,.14);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:850;
      margin-bottom:14px;
    }
    .site-footer .logo-mark{
      width:40px;
      height:40px;
      flex-basis:40px;
      box-shadow:none;
    }
    .footer-muted{
      color:var(--footer-muted);
      margin:0;
      max-width:440px;
      font-size:14.5px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-links a{
      color:var(--footer-muted);
      font-size:14.5px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--footer-muted);
      font-size:13.5px;
      padding-top:22px;
    }

    @media (max-width:1199.98px){
      .category-hero h1{font-size:40px}
      .process-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:991.98px){
      .site-header .navbar{min-height:66px;padding:10px 0}
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        background:#fff;
        border:1px solid var(--border-2);
        border-radius:20px;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch}
      .nav-cta{width:100%;margin-top:6px}
      .category-hero{padding:54px 0 36px}
      .content-shell{grid-template-columns:1fr}
      .side-column{position:static}
      .compare-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767.98px){
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .section-title{font-size:27px}
      .category-hero h1{font-size:33px}
      .hero-lead{font-size:16px}
      .hero-actions .btn-pill{width:100%}
      .media-card{grid-template-columns:1fr;padding:16px}
      .abstract-cover{min-height:132px}
      .feature-points{grid-template-columns:1fr}
      .privacy-icons{grid-template-columns:1fr}
      .cta-panel{padding:30px 24px;border-radius:26px}
      .cta-panel h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:575.98px){
      .brand-text{font-size:14px;max-width:230px;overflow:hidden;text-overflow:ellipsis}
      .logo-mark{width:38px;height:38px;flex-basis:38px;border-radius:13px}
      .category-hero h1{font-size:30px}
      .section-title{font-size:25px}
      .side-card,.compare-card,.process-card{padding:20px}
      .privacy-band{padding:24px;border-radius:24px}
      .modal-body{padding:22px}
    }