/* roulang page: index */
:root{
      --primary:#2f7f9f;
      --primary-dark:#23677f;
      --primary-soft:#e7f3f7;
      --primary-pale:#f2f8fb;
      --accent:#e98f74;
      --accent-soft:#fff1ec;
      --ink:#173244;
      --text:#425466;
      --muted:#718293;
      --weak:#97a6b2;
      --bg:#f6f9fc;
      --bg-2:#eef5fa;
      --white:#ffffff;
      --line:#dbe7ee;
      --line-strong:#c8d9e3;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --shadow:0 18px 45px rgba(32,78,112,.10);
      --shadow-hover:0 24px 56px rgba(32,78,112,.16);
      --container:1180px;
      --trans:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(47,127,159,.10), transparent 30%),
        radial-gradient(circle at 88% 14%, rgba(233,143,116,.08), transparent 26%),
        linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--trans)}
    img,svg{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{max-width:var(--container)}
    .section{padding:92px 0}
    .section-sm{padding:68px 0}
    .section-band{background:linear-gradient(180deg,var(--primary-pale),#fff)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(233,143,116,.12);
    }
    h1,h2,h3,h4,h5,h6{
      color:var(--ink);
      margin:0;
      font-weight:800;
      letter-spacing:-.02em;
    }
    h1{font-size:50px;line-height:1.18}
    h2{font-size:36px;line-height:1.28}
    h3{font-size:22px;line-height:1.35}
    p{margin:0}
    .lead{
      font-size:18px;
      color:var(--text);
      line-height:1.8;
    }
    .muted{color:var(--muted)}
    .soft-text{color:var(--weak);font-size:14px}

    .topbar{
      min-height:38px;
      background:#eaf3f8;
      color:#547083;
      font-size:13px;
      border-bottom:1px solid rgba(200,217,227,.8);
    }
    .topbar-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:7px 0;
    }
    .topbar-actions{
      display:flex;
      gap:16px;
      align-items:center;
      white-space:nowrap;
    }
    .topbar-actions a:hover{color:var(--primary-dark)}

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(219,231,238,.9);
      box-shadow:0 8px 24px rgba(23,50,68,.04);
    }
    .navbar{padding:14px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.03em;
      max-width:310px;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:16px;
      background:linear-gradient(135deg,var(--primary),#78b8ca);
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 12px 30px rgba(47,127,159,.22);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      width:26px;height:14px;
      border:2px solid rgba(255,255,255,.85);
      border-radius:999px;
      transform:rotate(-18deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:0}
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:var(--primary-pale);
    }
    .navbar-toggler:focus{outline:3px solid rgba(47,127,159,.18)}
    .toggler-line{
      display:block;
      width:22px;height:2px;
      background:var(--primary-dark);
      margin:4px 0;
      border-radius:999px;
    }
    .navbar-nav{
      gap:6px;
      align-items:center;
    }
    .nav-link{
      color:#496477;
      font-weight:700;
      padding:9px 14px!important;
      border-radius:999px;
      font-size:15px;
    }
    .nav-link:hover{
      color:var(--primary-dark);
      background:var(--primary-pale);
    }
    .nav-link.active{
      color:var(--primary-dark)!important;
      background:var(--primary-soft);
    }

    .btn{
      border-radius:999px;
      padding:11px 20px;
      font-weight:800;
      border:none;
      transition:var(--trans);
      line-height:1.3;
    }
    .btn-primary-custom{
      background:var(--primary);
      color:#fff!important;
      box-shadow:0 14px 28px rgba(47,127,159,.22);
    }
    .btn-primary-custom:hover,.btn-primary-custom:focus{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(47,127,159,.28);
    }
    .btn-secondary-custom{
      background:#fff;
      color:var(--primary-dark)!important;
      border:1px solid rgba(47,127,159,.28);
    }
    .btn-secondary-custom:hover,.btn-secondary-custom:focus{
      background:var(--primary-pale);
      border-color:var(--primary);
      transform:translateY(-2px);
    }
    .btn:focus-visible,
    .form-control:focus,
    .accordion-button:focus{
      box-shadow:0 0 0 .25rem rgba(47,127,159,.18)!important;
      outline:none;
    }

    .hero{
      position:relative;
      padding:88px 0 64px;
      overflow:hidden;
    }
    .hero:after{
      content:"";
      position:absolute;
      right:-10%;
      top:70px;
      width:520px;
      height:520px;
      border-radius:50%;
      background:rgba(47,127,159,.06);
      z-index:-1;
    }
    .hero-title span{
      color:var(--primary-dark);
      background:linear-gradient(180deg,transparent 58%,rgba(47,127,159,.14) 0);
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      margin-top:34px;
    }
    .trust-chip{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:14px 15px;
      box-shadow:0 10px 24px rgba(32,78,112,.06);
    }
    .trust-chip b{display:block;color:var(--ink);font-size:15px}
    .trust-chip span{font-size:13px;color:var(--muted)}

    .dashboard-wrap{
      position:relative;
      padding:18px;
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,#fff,var(--primary-pale));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .dashboard{
      background:#fff;
      border-radius:24px;
      padding:22px;
      border:1px solid var(--line);
      overflow:hidden;
    }
    .dash-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding-bottom:18px;
      border-bottom:1px solid var(--line);
    }
    .dash-dots{display:flex;gap:7px}
    .dash-dots i{
      width:10px;height:10px;border-radius:50%;
      background:var(--line-strong);
    }
    .dash-dots i:nth-child(1){background:var(--accent)}
    .dash-dots i:nth-child(2){background:#f2c96d}
    .dash-dots i:nth-child(3){background:#75c8a7}
    .dash-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
      margin-top:20px;
    }
    .panel{
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px;
      background:linear-gradient(180deg,#fff,#f8fbfd);
    }
    .panel-title{font-weight:800;color:var(--ink);margin-bottom:12px}
    .bar{
      height:10px;
      border-radius:999px;
      background:var(--primary-soft);
      overflow:hidden;
      margin:12px 0;
    }
    .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#78b8ca)}
    .mini-list{display:grid;gap:10px}
    .mini-list div{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:10px 12px;
      border-radius:14px;
      background:var(--primary-pale);
      color:var(--text);
      font-size:14px;
    }
    .floating-card{
      position:absolute;
      right:-10px;
      bottom:30px;
      max-width:210px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      padding:16px;
      box-shadow:var(--shadow);
    }
    .floating-card b{color:var(--ink);display:block;margin-bottom:4px}

    .section-heading{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-heading p{max-width:560px}

    .card-soft{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:0 12px 34px rgba(32,78,112,.07);
      padding:28px;
      transition:var(--trans);
      height:100%;
    }
    .card-soft:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(47,127,159,.35);
    }
    .feature-large{
      min-height:100%;
      background:
        radial-gradient(circle at 85% 10%,rgba(47,127,159,.11),transparent 26%),
        linear-gradient(145deg,#fff,#f2f8fb);
      padding:36px;
      border-radius:var(--radius-lg);
    }
    .icon-box{
      width:52px;height:52px;
      border-radius:17px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      margin-bottom:18px;
    }
    .icon-box svg{width:26px;height:26px;stroke:currentColor;stroke-width:2;fill:none}
    .badge-soft{
      display:inline-flex;
      align-items:center;
      padding:6px 12px;
      border-radius:999px;
      background:var(--primary-pale);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .badge-coral{background:var(--accent-soft);color:#b45d46}

    .sticky-intro{
      position:sticky;
      top:115px;
    }
    .feature-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .check-list{
      list-style:none;
      margin:18px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      position:relative;
      padding-left:28px;
      color:var(--text);
    }
    .check-list li:before{
      content:"";
      position:absolute;
      left:0;top:.62em;
      width:15px;height:15px;
      border-radius:50%;
      background:var(--primary-soft);
      border:1px solid rgba(47,127,159,.35);
    }
    .check-list li:after{
      content:"";
      position:absolute;
      left:5px;top:.82em;
      width:5px;height:8px;
      border:solid var(--primary-dark);
      border-width:0 2px 2px 0;
      transform:rotate(45deg);
    }

    .scenario-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .scenario-tabs .pill{
      border:1px solid var(--line);
      background:#fff;
      color:var(--text);
      border-radius:999px;
      padding:9px 15px;
      font-weight:800;
    }
    .scenario-tabs .pill.active,
    .scenario-tabs .pill:hover{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      transform:translateY(-1px);
    }
    .scenario-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .scenario-visual{
      min-height:100%;
      background:
        linear-gradient(135deg,rgba(47,127,159,.12),rgba(233,143,116,.08)),
        repeating-linear-gradient(45deg,rgba(47,127,159,.06) 0,rgba(47,127,159,.06) 1px,transparent 1px,transparent 12px);
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .flow-mini{
      width:100%;
      max-width:330px;
      display:grid;
      gap:14px;
    }
    .flow-mini div{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(255,255,255,.8);
      border-radius:18px;
      padding:14px 16px;
      box-shadow:0 10px 24px rgba(32,78,112,.08);
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--ink);
    }
    .flow-mini span{
      width:30px;height:30px;border-radius:12px;
      background:var(--primary);
      color:#fff;
      display:grid;
      place-items:center;
      font-size:13px;
      flex:0 0 auto;
    }

    .case-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
    }
    .case-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      padding:26px;
      box-shadow:0 12px 34px rgba(32,78,112,.07);
      transition:var(--trans);
    }
    .case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .avatar-mark{
      width:44px;height:44px;border-radius:16px;
      background:linear-gradient(135deg,var(--primary-soft),#fff);
      color:var(--primary-dark);
      display:grid;
      place-items:center;
      font-weight:900;
      border:1px solid var(--line);
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .metric{
      background:var(--primary-pale);
      border-radius:16px;
      padding:14px;
    }
    .metric b{display:block;color:var(--ink);font-size:20px}
    .metric span{font-size:13px;color:var(--muted)}

    .plan-card{
      position:relative;
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 34px rgba(32,78,112,.07);
      height:100%;
      transition:var(--trans);
    }
    .plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .plan-card.recommend{
      background:linear-gradient(180deg,#f2f8fb,#fff);
      border-color:rgba(47,127,159,.38);
      transform:translateY(-10px);
      box-shadow:var(--shadow);
    }
    .plan-name{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}
    .plan-price{font-size:30px;font-weight:900;color:var(--ink);margin:10px 0}
    .plan-price span{font-size:14px;color:var(--muted);font-weight:700}

    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(32,78,112,.06);
    }
    .accordion-button{
      border-radius:18px!important;
      font-weight:800;
      color:var(--ink);
      padding:18px 22px;
      background:#fff;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-pale);
      color:var(--primary-dark);
      box-shadow:none;
    }
    .accordion-button::after{
      filter:hue-rotate(150deg) saturate(.7);
    }
    .accordion-body{
      padding:0 22px 20px;
      color:var(--text);
    }

    .cta-band{
      border-radius:32px;
      padding:38px;
      background:
        radial-gradient(circle at 8% 25%,rgba(255,255,255,.48),transparent 22%),
        linear-gradient(135deg,var(--primary),#75b5c8);
      color:#fff;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .cta-band:after{
      content:"";
      position:absolute;
      right:-40px;bottom:-60px;
      width:220px;height:220px;border-radius:50%;
      border:34px solid rgba(255,255,255,.12);
    }
    .cta-band h2{color:#fff}
    .cta-band p{color:rgba(255,255,255,.86)}
    .cta-band .btn-secondary-custom{border-color:rgba(255,255,255,.7)}

    .site-footer{
      background:#163244;
      color:#d6e4ec;
      padding:62px 0 24px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      font-size:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#b8cbd6;
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      margin-top:38px;
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#91a9b7;
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1199px){
      h1{font-size:44px}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .floating-card{right:10px}
    }
    @media (max-width:991px){
      .section{padding:68px 0}
      .hero{padding:64px 0 46px}
      h1{font-size:38px}
      h2{font-size:30px}
      .navbar-collapse{
        margin-top:14px;
        padding:14px;
        border:1px solid var(--line);
        border-radius:20px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch}
      .nav-link{display:block}
      .nav-cta{margin-top:10px;width:100%}
      .dash-grid,.case-grid{grid-template-columns:1fr}
      .feature-list{grid-template-columns:1fr}
      .sticky-intro{position:static}
      .plan-card.recommend{transform:none}
      .section-heading{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:767px){
      body{font-size:15px}
      .topbar-inner{
        justify-content:center;
        text-align:center;
        flex-direction:column;
        gap:4px;
      }
      .topbar-actions{display:none}
      .section{padding:56px 0}
      .section-sm{padding:46px 0}
      h1{font-size:33px}
      h2{font-size:26px}
      h3{font-size:20px}
      .lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .trust-row{grid-template-columns:1fr}
      .dashboard-wrap{margin-top:28px;padding:12px}
      .dashboard{padding:16px}
      .floating-card{position:static;margin-top:14px;max-width:none}
      .feature-large,.card-soft,.plan-card{padding:24px}
      .metric-row{grid-template-columns:1fr}
      .cta-band{padding:28px;border-radius:24px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:420px){
      h1{font-size:30px}
      .brand-text strong{font-size:16px}
      .brand-text span{display:none}
      .btn{padding:10px 16px}
      .scenario-tabs .pill{width:100%;text-align:center}
    }

/* roulang page: category2 */
:root{
      --color-primary:#2f7f96;
      --color-primary-dark:#24687c;
      --color-primary-soft:#e8f4f7;
      --color-secondary:#f2b18d;
      --color-secondary-soft:#fff3eb;
      --color-bg:#f6f9fc;
      --color-bg-2:#eef5fa;
      --color-surface:#ffffff;
      --color-text:#17313d;
      --color-muted:#607986;
      --color-light:#8aa1ac;
      --color-border:#dce9ef;
      --color-footer:#17313d;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --shadow-sm:0 10px 26px rgba(32,78,112,.08);
      --shadow-md:0 18px 45px rgba(32,78,112,.12);
      --shadow-lg:0 26px 64px rgba(32,78,112,.16);
      --section-space:92px;
      --transition:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:linear-gradient(180deg,#f8fbfd 0%,#f6f9fc 44%,#ffffff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--color-primary)}
    img,svg{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(47,127,150,.18);color:var(--color-text)}

    .container{max-width:1180px}
    .section{
      padding:var(--section-space) 0;
      position:relative;
    }
    .section-soft{
      background:linear-gradient(180deg,var(--color-bg) 0%,#ffffff 100%);
    }
    .section-title{
      max-width:720px;
      margin-bottom:34px;
    }
    .section-title.center{
      margin-left:auto;
      margin-right:auto;
      text-align:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 5px rgba(47,127,150,.12);
    }
    h1,h2,h3,h4,h5,h6{
      color:var(--color-text);
      letter-spacing:-.02em;
      line-height:1.22;
      font-weight:800;
    }
    h1{font-size:48px;margin:0 0 22px}
    h2{font-size:36px;margin:0 0 16px}
    h3{font-size:22px;margin:0 0 10px}
    h4{font-size:18px;margin:0 0 8px}
    p{margin:0 0 16px;color:var(--color-muted)}
    .lead{
      font-size:18px;
      line-height:1.85;
      color:#4f6a76;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(220,233,239,.9);
      backdrop-filter:blur(16px);
      box-shadow:0 10px 28px rgba(32,78,112,.05);
    }
    .navbar{
      padding:15px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:260px;
      margin-right:24px;
    }
    .brand-mark{
      display:inline-block;
      width:42px;
      height:42px;
      border-radius:16px;
      background:
        radial-gradient(circle at 32% 26%,rgba(255,255,255,.95) 0 12%,transparent 13%),
        linear-gradient(135deg,#2f7f96 0%,#67b6c4 54%,#d9f0f4 100%);
      box-shadow:0 12px 28px rgba(47,127,150,.25);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border:2px solid rgba(255,255,255,.7);
      border-radius:12px 12px 18px 12px;
      transform:rotate(-10deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text strong{
      font-size:20px;
      color:var(--color-text);
      letter-spacing:-.02em;
    }
    .brand-text span{
      margin-top:3px;
      font-size:12px;
      color:var(--color-light);
      white-space:nowrap;
    }
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:#496875;
      font-weight:700;
      font-size:15px;
      padding:9px 15px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover{
      color:var(--color-primary-dark);
      background:rgba(47,127,150,.08);
    }
    .nav-link.active{
      color:var(--color-primary-dark)!important;
      background:var(--color-primary-soft);
    }
    .btn-primary-custom,
    .btn-secondary-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 22px;
      min-height:46px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--transition);
      box-shadow:none;
      white-space:nowrap;
    }
    .btn-primary-custom{
      background:var(--color-primary);
      color:#fff!important;
      box-shadow:0 14px 28px rgba(47,127,150,.22);
    }
    .btn-primary-custom:hover,
    .btn-primary-custom:focus{
      background:var(--color-primary-dark);
      color:#fff!important;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(47,127,150,.28);
    }
    .btn-secondary-custom{
      background:#fff;
      color:var(--color-primary-dark)!important;
      border-color:rgba(47,127,150,.25);
    }
    .btn-secondary-custom:hover,
    .btn-secondary-custom:focus{
      background:var(--color-primary-soft);
      border-color:rgba(47,127,150,.45);
      transform:translateY(-2px);
    }
    .nav-cta{padding:10px 18px;min-height:42px}
    .navbar-toggler{
      width:46px;
      height:42px;
      border:1px solid var(--color-border);
      border-radius:14px;
      padding:8px;
      box-shadow:none!important;
      background:var(--color-bg);
    }
    .toggler-line{
      display:block;
      width:22px;
      height:2px;
      background:var(--color-primary-dark);
      border-radius:10px;
      margin:5px auto;
    }

    .inner-hero{
      padding:74px 0 88px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(116deg,#f6f9fc 0%,#f6f9fc 50%,#eef7fa 50.2%,#ffffff 100%);
    }
    .inner-hero::before{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      border-radius:50%;
      right:-170px;
      top:-210px;
      background:radial-gradient(circle,rgba(47,127,150,.13),rgba(47,127,150,0) 64%);
    }
    .inner-hero::after{
      content:"";
      position:absolute;
      left:-90px;
      bottom:-120px;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(242,177,141,.16),rgba(242,177,141,0) 68%);
    }
    .hero-content,.hero-visual{position:relative;z-index:1}
    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      font-size:14px;
      color:var(--color-light);
      margin-bottom:18px;
      font-weight:700;
    }
    .breadcrumb-line a{color:var(--color-primary-dark)}
    .breadcrumb-line span:last-child{color:var(--color-muted)}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
    }
    .trust-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:640px;
    }
    .trust-item{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(220,233,239,.9);
      border-radius:18px;
      padding:14px 15px;
      box-shadow:var(--shadow-sm);
    }
    .trust-item strong{
      display:block;
      font-size:18px;
      color:var(--color-primary-dark);
      line-height:1.2;
    }
    .trust-item span{
      display:block;
      margin-top:4px;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.45;
    }

    .process-board{
      position:relative;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow-lg);
      min-height:420px;
      overflow:hidden;
    }
    .process-board::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(47,127,150,.055) 1px,transparent 1px),
        linear-gradient(180deg,rgba(47,127,150,.055) 1px,transparent 1px);
      background-size:34px 34px;
      opacity:.65;
    }
    .board-card{
      position:relative;
      z-index:1;
      border-radius:20px;
      border:1px solid rgba(220,233,239,.95);
      background:rgba(255,255,255,.94);
      padding:18px;
      box-shadow:var(--shadow-sm);
      margin-bottom:14px;
    }
    .board-card:nth-child(2){margin-left:46px}
    .board-card:nth-child(3){margin-left:18px}
    .board-card:nth-child(4){margin-left:72px}
    .board-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:10px;
    }
    .board-badge{
      display:inline-flex;
      align-items:center;
      height:28px;
      padding:0 10px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-size:12px;
      font-weight:800;
    }
    .board-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--color-secondary);
      box-shadow:0 0 0 5px rgba(242,177,141,.16);
    }
    .board-line{
      height:8px;
      border-radius:999px;
      background:#e8f1f5;
      overflow:hidden;
    }
    .board-line span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),#8bd2dc);
    }
    .board-meta{
      display:flex;
      justify-content:space-between;
      gap:14px;
      margin-top:10px;
      color:var(--color-light);
      font-size:13px;
      font-weight:700;
    }

    .flow-wrap{
      position:relative;
    }
    .flow-wrap::before{
      content:"";
      position:absolute;
      left:35px;
      top:28px;
      bottom:28px;
      width:2px;
      background:linear-gradient(180deg,rgba(47,127,150,.18),rgba(47,127,150,.06));
    }
    .step-card{
      position:relative;
      display:grid;
      grid-template-columns:72px 1fr;
      gap:22px;
      margin-bottom:22px;
      padding:30px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .step-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(47,127,150,.35);
    }
    .step-number{
      width:72px;
      height:72px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:22px;
      background:linear-gradient(135deg,var(--color-primary),#72bdca);
      color:#fff;
      font-size:26px;
      font-weight:900;
      box-shadow:0 14px 28px rgba(47,127,150,.22);
    }
    .step-card p{margin-bottom:0}
    .mini-list{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .mini-list li{
      display:flex;
      gap:10px;
      color:#4f6a76;
      font-size:15px;
    }
    .mini-list li::before{
      content:"";
      flex:0 0 auto;
      width:9px;
      height:9px;
      margin-top:9px;
      border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 4px rgba(47,127,150,.11);
    }

    .scenario-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .scenario-stack{
      display:grid;
      gap:24px;
    }
    .scenario-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
      overflow:hidden;
      position:relative;
    }
    .scenario-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:rgba(47,127,150,.32);
    }
    .scenario-card.large{
      min-height:100%;
      background:
        radial-gradient(circle at 92% 14%,rgba(47,127,150,.13),transparent 30%),
        #fff;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:0 0 18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:5px 11px;
      border-radius:999px;
      background:var(--color-bg-2);
      color:#4f6a76;
      font-size:13px;
      font-weight:800;
    }
    .tag.primary{background:var(--color-primary-soft);color:var(--color-primary-dark)}
    .tag.warm{background:var(--color-secondary-soft);color:#9a6746}
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:24px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:var(--color-bg);
      border:1px solid rgba(220,233,239,.85);
    }
    .metric strong{
      display:block;
      font-size:24px;
      color:var(--color-primary-dark);
      line-height:1.1;
      margin-bottom:4px;
    }
    .metric span{
      display:block;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.45;
    }

    .standards-panel{
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#17313d 0%,#244b5a 58%,#2f7f96 100%);
      color:#fff;
      padding:42px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .standards-panel::after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      border-radius:50%;
      right:-80px;
      top:-80px;
      background:rgba(255,255,255,.08);
    }
    .standards-panel h2,
    .standards-panel h3{color:#fff}
    .standards-panel p{color:#d4e4ea}
    .standard-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .standard-item{
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.14);
      border-radius:20px;
      padding:20px;
    }
    .standard-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      background:rgba(255,255,255,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      margin-bottom:14px;
      font-weight:900;
    }

    .contact-card,
    .side-note,
    .related-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .contact-card{
      padding:34px;
    }
    .form-label{
      color:#355663;
      font-weight:800;
      margin-bottom:8px;
      font-size:14px;
    }
    .form-control,
    .form-select{
      min-height:50px;
      border-radius:14px;
      border:1px solid var(--color-border);
      color:var(--color-text);
      background:#fbfdfe;
      padding:12px 14px;
      box-shadow:none!important;
      transition:var(--transition);
    }
    textarea.form-control{min-height:132px;resize:vertical}
    .form-control:focus,
    .form-select:focus{
      border-color:rgba(47,127,150,.7);
      background:#fff;
      box-shadow:0 0 0 4px rgba(47,127,150,.12)!important;
    }
    .side-note{
      padding:30px;
      background:
        radial-gradient(circle at 90% 8%,rgba(242,177,141,.18),transparent 32%),
        #fff;
      position:sticky;
      top:102px;
    }
    .note-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .note-list li{
      padding:14px;
      border-radius:16px;
      background:var(--color-bg);
      color:#4f6a76;
      border:1px solid rgba(220,233,239,.85);
      font-size:15px;
    }

    .related-card{
      padding:26px;
      height:100%;
      transition:var(--transition);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:220px;
    }
    .related-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:rgba(47,127,150,.35);
    }
    .related-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:var(--color-primary-dark);
      font-weight:900;
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .accordion-button{
      border-radius:18px!important;
      padding:20px 22px;
      color:var(--color-text);
      background:#fff;
      font-weight:850;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
    }
    .accordion-button:focus{
      box-shadow:0 0 0 4px rgba(47,127,150,.12)!important;
      border-color:transparent;
    }
    .accordion-body{
      padding:4px 22px 22px;
      color:var(--color-muted);
    }

    .cta-band{
      background:
        radial-gradient(circle at 16% 18%,rgba(255,255,255,.36),transparent 24%),
        linear-gradient(135deg,#eaf6f8 0%,#f7fbfd 46%,#fff3eb 100%);
      border:1px solid rgba(220,233,239,.95);
      border-radius:var(--radius-lg);
      padding:38px;
      box-shadow:var(--shadow-md);
    }
    .cta-band p{margin-bottom:0}

    .site-footer{
      background:var(--color-footer);
      padding:62px 0 24px;
      color:#dbe8ed;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-title{
      color:#fff;
      font-size:16px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#b8cbd6;
      font-size:15px;
      position:relative;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:24px;
      margin-top:38px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#8faab6;
      font-size:13px;
    }

    @media (max-width:1199px){
      h1{font-size:42px}
      h2{font-size:32px}
      .navbar-brand{min-width:auto}
      .brand-text span{max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .process-board{min-height:390px}
    }
    @media (max-width:991px){
      :root{--section-space:68px}
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:20px;
        background:#fff;
        border:1px solid var(--color-border);
        box-shadow:var(--shadow-sm);
      }
      .navbar-nav{align-items:stretch;gap:6px}
      .nav-link{display:block}
      .nav-cta{width:100%;margin-top:10px}
      .inner-hero{padding:56px 0 68px}
      h1{font-size:38px}
      .hero-visual{margin-top:34px}
      .trust-strip{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .standard-list{grid-template-columns:1fr}
      .side-note{position:static;margin-top:24px}
      .flow-wrap::before{display:none}
    }
    @media (max-width:767px){
      :root{--section-space:56px}
      body{font-size:15px}
      h1{font-size:33px}
      h2{font-size:27px}
      h3{font-size:20px}
      .lead{font-size:16px}
      .navbar{padding:12px 0}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text strong{font-size:18px}
      .brand-text span{display:none}
      .hero-actions{flex-direction:column}
      .hero-actions .btn-primary-custom,
      .hero-actions .btn-secondary-custom{width:100%}
      .process-board{padding:18px;min-height:auto}
      .board-card:nth-child(n){margin-left:0}
      .step-card{
        grid-template-columns:1fr;
        gap:16px;
        padding:24px;
      }
      .step-number{width:58px;height:58px;border-radius:18px;font-size:22px}
      .metric-row{grid-template-columns:1fr}
      .standards-panel{padding:28px}
      .contact-card{padding:24px}
      .cta-band{padding:28px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:420px){
      .container{padding-left:18px;padding-right:18px}
      h1{font-size:30px}
      .breadcrumb-line{font-size:13px}
      .tag-row{gap:6px}
      .tag{font-size:12px;padding:4px 9px}
      .btn-primary-custom,.btn-secondary-custom{padding:11px 16px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#2f7f95;
      --color-primary-dark:#23677a;
      --color-primary-soft:#e7f4f7;
      --color-accent:#e89176;
      --color-bg:#f6f9fc;
      --color-bg-2:#eef5fa;
      --color-surface:#ffffff;
      --color-text:#18313d;
      --color-muted:#617884;
      --color-light:#8aa0aa;
      --color-border:#dce9ef;
      --color-footer:#102c38;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --shadow-sm:0 10px 28px rgba(32,78,112,.08);
      --shadow-md:0 18px 45px rgba(32,78,112,.12);
      --shadow-lg:0 24px 70px rgba(32,78,112,.16);
      --transition:all .24s ease;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:linear-gradient(180deg,#f8fbfd 0%,var(--color-bg) 52%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--color-primary)}
    img,svg{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{max-width:var(--container)}
    ::selection{background:#cbe8ef;color:#12303a}

    .top-strip{
      background:#eaf3f7;
      border-bottom:1px solid rgba(47,127,149,.12);
      color:#5e7782;
      font-size:13px;
      min-height:38px;
      display:flex;
      align-items:center;
    }
    .top-strip .container{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
    }
    .top-links{
      display:flex;
      gap:18px;
      align-items:center;
      white-space:nowrap;
    }
    .top-links a{
      color:#426876;
      font-weight:600;
    }
    .top-links a:hover{color:var(--color-primary-dark)}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.92);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid rgba(220,233,239,.9);
      box-shadow:0 8px 24px rgba(32,78,112,.04);
    }
    .navbar{padding:16px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:240px;
    }
    .brand-mark{
      width:44px;
      height:44px;
      display:inline-block;
      border-radius:16px;
      position:relative;
      background:
        radial-gradient(circle at 30% 28%,#ffffff 0 12%,transparent 13%),
        linear-gradient(135deg,#7bbccd 0%,#2f7f95 62%,#23677a 100%);
      box-shadow:0 14px 32px rgba(47,127,149,.25);
      flex:none;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:11px 9px 10px 13px;
      border:2px solid rgba(255,255,255,.82);
      border-left-color:transparent;
      border-bottom-color:rgba(255,255,255,.38);
      border-radius:50%;
      transform:rotate(-24deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:19px;
      letter-spacing:.02em;
      color:#16333e;
    }
    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:#78909a;
      max-width:210px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:#496875;
      font-weight:700;
      padding:9px 15px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover{
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
    }
    .nav-link.active{
      color:var(--color-primary-dark)!important;
      background:#dff1f5;
    }
    .btn-primary-custom,
    .btn-secondary-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:11px 22px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--transition);
      box-shadow:none;
    }
    .btn-primary-custom{
      background:var(--color-primary);
      color:#fff!important;
      box-shadow:0 14px 30px rgba(47,127,149,.22);
    }
    .btn-primary-custom:hover,
    .btn-primary-custom:focus{
      background:var(--color-primary-dark);
      color:#fff!important;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(47,127,149,.28);
    }
    .btn-secondary-custom{
      background:#fff;
      color:var(--color-primary-dark)!important;
      border-color:#b8dce5;
    }
    .btn-secondary-custom:hover,
    .btn-secondary-custom:focus{
      background:#edf8fb;
      border-color:#86c4d3;
      transform:translateY(-2px);
    }
    .nav-cta{white-space:nowrap}
    .navbar-toggler{
      width:46px;
      height:42px;
      border:1px solid var(--color-border);
      border-radius:14px;
      padding:8px;
      background:#f7fbfd;
      box-shadow:none!important;
    }
    .toggler-line{
      display:block;
      width:22px;
      height:2px;
      background:var(--color-primary-dark);
      border-radius:20px;
      margin:5px auto;
      transition:var(--transition);
    }

    .inner-hero{
      position:relative;
      overflow:hidden;
      padding:74px 0 68px;
      background:
        radial-gradient(circle at 14% 18%,rgba(47,127,149,.11),transparent 32%),
        radial-gradient(circle at 86% 26%,rgba(232,145,118,.12),transparent 26%),
        linear-gradient(135deg,#f8fbfd 0%,#eef7fa 100%);
      border-bottom:1px solid rgba(220,233,239,.9);
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(47,127,149,.06) 1px,transparent 1px),
        linear-gradient(90deg,rgba(47,127,149,.06) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.65),transparent 72%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .breadcrumb-soft{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid rgba(47,127,149,.14);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      color:#63808c;
      font-size:14px;
      margin-bottom:22px;
      box-shadow:0 8px 24px rgba(32,78,112,.05);
    }
    .breadcrumb-soft a{font-weight:700;color:var(--color-primary-dark)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:#e4f3f7;
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(232,145,118,.14);
    }
    h1{
      font-size:46px;
      line-height:1.18;
      letter-spacing:-.02em;
      margin:0 0 20px;
      color:#132f3a;
      font-weight:900;
      max-width:760px;
    }
    .hero-lead{
      font-size:18px;
      color:#5f7782;
      max-width:760px;
      margin:0 0 28px;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      align-items:center;
    }
    .hero-panel{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(220,233,239,.9);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-md);
      position:relative;
      z-index:1;
    }
    .panel-header{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:18px;
    }
    .panel-title{
      font-weight:900;
      color:#1f4451;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:#ecf8f1;
      color:#3b7b55;
      font-size:12px;
      font-weight:800;
    }
    .status-dot:before{
      content:"";
      width:8px;height:8px;border-radius:50%;background:#52b36e;
    }
    .mini-bars{display:grid;gap:12px}
    .mini-bar{
      background:#f5fafc;
      border:1px solid #dfeff4;
      border-radius:16px;
      padding:14px;
    }
    .mini-label{
      display:flex;
      justify-content:space-between;
      color:#54707c;
      font-size:13px;
      font-weight:700;
      margin-bottom:9px;
    }
    .bar-track{
      height:8px;
      background:#e2eef3;
      border-radius:999px;
      overflow:hidden;
    }
    .bar-fill{
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),#7dbccd);
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      background:#f2f8fa;
      border:1px solid #dcecf1;
      color:#4f7180;
      font-size:13px;
      font-weight:700;
    }

    .section{padding:84px 0}
    .section-sm{padding:62px 0}
    .section-muted{background:var(--color-bg)}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-head.center{
      text-align:center;
      margin-left:auto;
      margin-right:auto;
    }
    h2{
      font-size:34px;
      line-height:1.25;
      letter-spacing:-.015em;
      color:#15323d;
      font-weight:900;
      margin:0 0 14px;
    }
    .section-head p{
      margin:0;
      color:var(--color-muted);
      font-size:17px;
    }

    .layout-grid{
      display:grid;
      grid-template-columns:320px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      padding:22px;
      position:sticky;
      top:106px;
    }
    .side-title{
      font-weight:900;
      color:#1a3b47;
      margin-bottom:14px;
      font-size:18px;
    }
    .filter-list{
      display:grid;
      gap:9px;
      padding:0;
      margin:0 0 24px;
      list-style:none;
    }
    .filter-list a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:12px 14px;
      border-radius:15px;
      color:#506e7a;
      background:#f7fbfd;
      border:1px solid transparent;
      font-weight:700;
    }
    .filter-list a:hover,
    .filter-list a.active{
      color:var(--color-primary-dark);
      background:#e8f5f8;
      border-color:#cce7ef;
      transform:translateX(2px);
    }
    .count{
      min-width:28px;
      text-align:center;
      padding:2px 8px;
      border-radius:999px;
      background:#fff;
      color:#6d8792;
      font-size:12px;
      border:1px solid #dcecf1;
    }
    .side-note{
      padding:18px;
      border-radius:20px;
      background:linear-gradient(135deg,#e9f6fa,#fff);
      border:1px solid #d6eaf0;
    }
    .side-note strong{
      display:block;
      margin-bottom:8px;
      color:#17414f;
    }
    .side-note p{
      margin:0 0 14px;
      color:#607984;
      font-size:14px;
    }

    .content-list{
      display:grid;
      gap:18px;
    }
    .service-card{
      display:grid;
      grid-template-columns:72px minmax(0,1fr) auto;
      gap:20px;
      align-items:center;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .service-card:hover{
      border-color:#acd6e1;
      box-shadow:var(--shadow-md);
      transform:translateY(-3px);
    }
    .service-card:hover h3{color:var(--color-primary-dark)}
    .icon-box{
      width:58px;
      height:58px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:#e8f5f8;
      color:var(--color-primary-dark);
      border:1px solid #cfe8ef;
      flex:none;
    }
    .icon-box svg{
      width:30px;
      height:30px;
      stroke:currentColor;
      stroke-width:1.8;
      fill:none;
      stroke-linecap:round;
      stroke-linejoin:round;
    }
    .card-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:8px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      padding:4px 9px;
      border-radius:999px;
      background:#edf7fa;
      color:#397184;
      font-size:12px;
      font-weight:800;
    }
    .badge-warm{
      background:#fff1ec;
      color:#a85f49;
    }
    .service-card h3{
      margin:0 0 8px;
      font-size:21px;
      line-height:1.35;
      font-weight:900;
      color:#173844;
      transition:var(--transition);
    }
    .service-card p{
      margin:0;
      color:#607984;
      max-width:720px;
    }
    .card-foot{
      margin-top:12px;
      color:#8ca1aa;
      font-size:13px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
    }
    .card-link{
      white-space:nowrap;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 16px;
      border-radius:999px;
      border:1px solid #c8e2e9;
      color:var(--color-primary-dark);
      font-weight:800;
      background:#fff;
    }
    .service-card:hover .card-link{
      background:var(--color-primary);
      border-color:var(--color-primary);
      color:#fff;
    }

    .matrix{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-large,
    .feature-small{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      padding:28px;
      transition:var(--transition);
    }
    .feature-large:hover,
    .feature-small:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:#bddde6;
    }
    .feature-large{
      min-height:100%;
      background:
        radial-gradient(circle at 90% 0%,rgba(47,127,149,.12),transparent 32%),
        #fff;
    }
    .feature-large h3,
    .feature-small h3{
      font-size:22px;
      font-weight:900;
      margin:14px 0 10px;
      color:#173844;
    }
    .feature-large p,
    .feature-small p{
      color:var(--color-muted);
      margin:0;
    }
    .feature-stack{
      display:grid;
      gap:22px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      position:relative;
      padding-left:28px;
      color:#526f7b;
    }
    .check-list li:before{
      content:"✓";
      position:absolute;
      left:0;
      top:0;
      width:20px;
      height:20px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#e5f4f7;
      color:var(--color-primary-dark);
      font-size:12px;
      font-weight:900;
    }

    .recommend-wrap{
      overflow:hidden;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .topic-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:24px;
      padding:22px;
      min-height:210px;
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:#acd6e1;
    }
    .topic-card h3{
      font-size:19px;
      line-height:1.35;
      margin:12px 0 8px;
      font-weight:900;
    }
    .topic-card p{
      color:#637d88;
      margin:0;
      font-size:15px;
    }
    .topic-bottom{
      margin-top:18px;
      color:var(--color-primary-dark);
      font-weight:900;
      font-size:14px;
    }

    .standards-band{
      background:#12313d;
      color:#fff;
      border-radius:32px;
      padding:42px;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-lg);
    }
    .standards-band:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      top:-100px;
      border-radius:50%;
      background:rgba(125,188,205,.18);
    }
    .standards-band h2,
    .standards-band h3{color:#fff}
    .standards-band p{color:#c4d6de}
    .standard-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .standard-item{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .standard-item strong{
      display:block;
      margin-bottom:6px;
      color:#fff;
      font-size:17px;
    }
    .standard-item span{
      color:#bfd1d9;
      font-size:14px;
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:20px!important;
      overflow:hidden;
      box-shadow:0 8px 20px rgba(32,78,112,.05);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      color:#183945;
      font-weight:900;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:#eaf6f9;
      color:var(--color-primary-dark);
    }
    .accordion-button:focus{
      border-color:#9cd0dc;
      box-shadow:0 0 0 4px rgba(47,127,149,.14)!important;
    }
    .accordion-body{
      color:#637b86;
      padding:0 22px 22px;
    }

    .cta-box{
      background:
        radial-gradient(circle at 12% 18%,rgba(255,255,255,.5),transparent 28%),
        linear-gradient(135deg,#dff1f6 0%,#f8fbfd 55%,#fff2ed 100%);
      border:1px solid #cfe5ec;
      border-radius:32px;
      padding:38px;
      box-shadow:var(--shadow-md);
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:center;
    }
    .cta-box h2{margin-bottom:8px}
    .cta-box p{
      margin:0;
      color:#607984;
      max-width:700px;
    }

    .site-footer{
      background:var(--color-footer);
      color:#eaf3f7;
      padding:64px 0 26px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:18px;
      font-size:20px;
      font-weight:900;
    }
    .footer-logo .brand-mark{
      width:40px;
      height:40px;
      border-radius:15px;
      box-shadow:none;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#b8cbd6;
      font-size:15px;
      position:relative;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-bottom{
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#93aeb9;
      font-size:13px;
      flex-wrap:wrap;
    }

    .focus-ring:focus,
    a:focus-visible,
    button:focus-visible{
      outline:3px solid rgba(47,127,149,.25);
      outline-offset:3px;
    }

    @media (max-width:1199.98px){
      h1{font-size:40px}
      h2{font-size:31px}
      .navbar-brand{min-width:auto}
      .brand-text span{max-width:170px}
      .recommend-grid{grid-template-columns:repeat(2,1fr)}
      .layout-grid{grid-template-columns:290px minmax(0,1fr)}
    }
    @media (max-width:991.98px){
      .top-strip .container{justify-content:center;text-align:center}
      .top-links{display:none}
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        background:#fff;
        border:1px solid var(--color-border);
        border-radius:22px;
        box-shadow:var(--shadow-sm);
      }
      .navbar-nav{align-items:stretch}
      .nav-link{display:block}
      .nav-cta{width:100%;margin-top:8px}
      .inner-hero{padding:56px 0}
      .hero-panel{margin-top:26px}
      .layout-grid{grid-template-columns:1fr}
      .side-card{position:relative;top:auto}
      .filter-list{grid-template-columns:repeat(2,1fr)}
      .service-card{grid-template-columns:60px minmax(0,1fr)}
      .card-link{grid-column:2;justify-self:start}
      .matrix{grid-template-columns:1fr}
      .standard-grid{grid-template-columns:1fr}
      .cta-box{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:767.98px){
      body{font-size:15px}
      .section{padding:58px 0}
      .section-sm{padding:48px 0}
      h1{font-size:34px}
      h2{font-size:26px}
      .hero-lead,.section-head p{font-size:16px}
      .hero-actions .btn-primary-custom,
      .hero-actions .btn-secondary-custom{
        width:100%;
      }
      .brand-text span{display:none}
      .brand-text strong{font-size:17px}
      .brand-mark{width:40px;height:40px}
      .filter-list{grid-template-columns:1fr}
      .service-card{
        grid-template-columns:1fr;
        padding:20px;
      }
      .card-link{grid-column:auto}
      .recommend-grid{
        display:flex;
        overflow-x:auto;
        scroll-snap-type:x mandatory;
        padding-bottom:10px;
      }
      .topic-card{
        min-width:260px;
        scroll-snap-align:start;
      }
      .standards-band{padding:28px;border-radius:26px}
      .cta-box{padding:28px;border-radius:26px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:420px){
      h1{font-size:30px}
      .navbar{padding:12px 0}
      .breadcrumb-soft{font-size:12px}
      .service-card h3{font-size:19px}
      .btn-primary-custom,.btn-secondary-custom{padding-left:16px;padding-right:16px}
      .top-strip{font-size:12px}
    }