/* roulang page: index */
:root{
      --bg:#070B18;
      --bg-2:#0B1024;
      --bg-3:#050713;
      --primary:#4F7BFF;
      --secondary:#7C5CFF;
      --accent:#30D5C8;
      --warm:#FF6B9A;
      --text:#F5F7FF;
      --muted:#AAB3D6;
      --weak:#70789C;
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(255,255,255,.18);
      --glass:rgba(255,255,255,.06);
      --glass-2:rgba(255,255,255,.09);
      --hover:rgba(255,255,255,.11);
      --shadow:0 24px 80px rgba(18,35,100,.35);
      --shadow-soft:0 18px 54px rgba(5,10,35,.45);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --nav-height:78px;
      --container:1180px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      line-height:1.8;
      background:
        radial-gradient(circle at 10% 2%, rgba(79,123,255,.26), transparent 32rem),
        radial-gradient(circle at 86% 18%, rgba(124,92,255,.18), transparent 28rem),
        radial-gradient(circle at 72% 88%, rgba(48,213,200,.14), transparent 34rem),
        linear-gradient(180deg,var(--bg),var(--bg-2) 42%,var(--bg-3));
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,.16));
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 22%,rgba(48,213,200,.025));
      opacity:.55;
    }
    a{color:inherit;text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease)}
    a:hover{color:var(--text)}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(48,213,200,.32);color:#fff}
    .container{
      max-width:var(--container);
      padding-left:24px;
      padding-right:24px;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 13px;
      border:1px solid rgba(48,213,200,.25);
      border-radius:var(--radius-pill);
      color:#DDFEFF;
      background:rgba(48,213,200,.08);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      box-shadow:0 0 18px rgba(48,213,200,.75);
    }
    h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.035em}
    h1{
      font-size:clamp(36px,5vw,58px);
      line-height:1.13;
      font-weight:820;
    }
    h2{
      font-size:clamp(28px,3.5vw,42px);
      line-height:1.22;
      font-weight:780;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      font-weight:740;
    }
    p{margin:0;color:var(--muted)}
    .lead{
      color:#C8D0EE;
      font-size:17px;
      line-height:1.9;
    }
    .text-gradient{
      background:linear-gradient(135deg,#fff 8%,#BFD0FF 36%,#8FFFF5 88%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:blur(20px);
      background:linear-gradient(180deg,rgba(7,11,24,.88),rgba(7,11,24,.62));
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{
      min-height:var(--nav-height);
      padding:12px 0;
    }
    .nav-shell{
      width:100%;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
    }
    .nav-group{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-group.left{justify-content:flex-end}
    .nav-group.right{justify-content:flex-start}
    .navbar-brand{
      margin:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      padding:9px 13px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      box-shadow:0 14px 36px rgba(5,10,35,.25);
      color:#fff!important;
      font-weight:800;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:
        radial-gradient(circle at 30% 20%,rgba(255,255,255,.7),transparent 20%),
        linear-gradient(135deg,var(--primary),var(--secondary) 55%,var(--accent));
      box-shadow:0 0 24px rgba(79,123,255,.45);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      width:15px;
      height:18px;
      border:2px solid rgba(255,255,255,.88);
      border-top-width:3px;
      border-radius:7px 7px 9px 9px;
      transform:translateY(1px);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:36px;
      height:1px;
      background:rgba(255,255,255,.38);
      transform:rotate(-38deg);
    }
    .nav-link{
      color:var(--muted)!important;
      padding:10px 13px!important;
      border-radius:var(--radius-pill);
      font-size:15px;
      font-weight:650;
      position:relative;
    }
    .nav-link:hover{
      color:#fff!important;
      background:rgba(255,255,255,.06);
    }
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,rgba(79,123,255,.20),rgba(48,213,200,.10));
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:22px;
      height:2px;
      transform:translateX(-50%);
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
      box-shadow:0 0 14px rgba(48,213,200,.55);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.15);
      border-radius:14px;
      padding:9px 11px;
      background:rgba(255,255,255,.07);
      box-shadow:none!important;
    }
    .navbar-toggler:focus-visible{
      outline:3px solid rgba(48,213,200,.28);
      outline-offset:3px;
    }
    .toggle-line{
      display:block;
      width:22px;
      height:2px;
      border-radius:99px;
      background:#fff;
      margin:4px 0;
    }
    .btn{
      border:0;
      border-radius:var(--radius-pill);
      padding:12px 20px;
      font-weight:760;
      letter-spacing:-.01em;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
    }
    .btn-primary-glow{
      color:#fff!important;
      background:linear-gradient(135deg,var(--primary),var(--secondary) 48%,var(--accent));
      box-shadow:0 14px 38px rgba(79,123,255,.32), inset 0 1px 0 rgba(255,255,255,.22);
    }
    .btn-primary-glow:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 52px rgba(79,123,255,.45),0 0 30px rgba(48,213,200,.18);
      background:linear-gradient(135deg,var(--secondary),var(--primary) 50%,var(--accent));
    }
    .btn-ghost{
      color:#EAF0FF!important;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(14px);
    }
    .btn-ghost:hover{
      transform:translateY(-2px);
      border-color:rgba(48,213,200,.45);
      background:rgba(255,255,255,.10);
      box-shadow:0 14px 40px rgba(48,213,200,.11);
    }
    .btn:focus-visible,.form-control:focus,.form-select:focus{
      outline:3px solid rgba(48,213,200,.22);
      outline-offset:3px;
      box-shadow:0 0 0 1px rgba(48,213,200,.55),0 0 26px rgba(48,213,200,.12)!important;
    }
    .hero{
      min-height:680px;
      padding:84px 0 44px;
      display:flex;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .hero::before{
      content:"";
      position:absolute;
      right:-150px;
      top:80px;
      width:520px;
      height:520px;
      border-radius:50%;
      border:1px solid rgba(48,213,200,.14);
      background:radial-gradient(circle,rgba(48,213,200,.10),transparent 58%);
      filter:blur(.1px);
    }
    .hero-copy{
      position:relative;
      z-index:2;
    }
    .hero-copy h1{margin-top:20px}
    .hero-copy .lead{margin-top:22px;max-width:650px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:32px;
    }
    .trust-row{
      margin-top:28px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .trust-pill,.tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:#DDE5FF;
      border-radius:var(--radius-pill);
      padding:8px 12px;
      font-size:13px;
      font-weight:650;
    }
    .trust-pill i,.tag i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 14px rgba(48,213,200,.65);
      display:inline-block;
    }
    .hero-visual{
      position:relative;
      min-height:520px;
      z-index:1;
    }
    .dashboard{
      position:absolute;
      inset:30px 0 auto 18px;
      border:1px solid rgba(255,255,255,.13);
      background:linear-gradient(145deg,rgba(255,255,255,.105),rgba(255,255,255,.045));
      backdrop-filter:blur(20px);
      border-radius:32px;
      padding:24px;
      box-shadow:var(--shadow);
      overflow:hidden;
      animation:floatPanel 7s ease-in-out infinite;
    }
    .dashboard::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 28% 12%,rgba(79,123,255,.34),transparent 28%),
        radial-gradient(circle at 82% 76%,rgba(48,213,200,.20),transparent 32%);
      opacity:.65;
      pointer-events:none;
    }
    .dash-head,.dash-grid,.dash-footer{position:relative;z-index:1}
    .dash-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .dash-title{
      color:#fff;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .status{
      color:#BFFCF7;
      background:rgba(48,213,200,.11);
      border:1px solid rgba(48,213,200,.25);
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .dash-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      margin-top:18px;
    }
    .mini-card{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(7,11,24,.46);
      border-radius:22px;
      padding:16px;
    }
    .mini-card.wide{grid-column:span 2}
    .mini-label{
      color:var(--weak);
      font-size:13px;
      font-weight:700;
      margin-bottom:8px;
    }
    .mini-value{
      color:#fff;
      font-size:26px;
      line-height:1;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .mini-desc{
      margin-top:9px;
      color:#AFC0EA;
      font-size:13px;
      line-height:1.6;
    }
    .risk-lines{
      display:grid;
      gap:9px;
    }
    .risk-line{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .risk-line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .dash-footer{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .floating-chip{
      position:absolute;
      right:2px;
      top:18px;
      z-index:3;
      border:1px solid rgba(255,255,255,.14);
      border-radius:20px;
      padding:13px 15px;
      background:rgba(5,7,19,.74);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(0,0,0,.35);
      animation:floatChip 5s ease-in-out infinite;
    }
    .floating-chip strong{display:block;color:#fff;font-size:14px}
    .floating-chip span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .orbit{
      position:absolute;
      width:180px;
      height:180px;
      left:0;
      bottom:6px;
      border-radius:50%;
      border:1px solid rgba(124,92,255,.28);
      box-shadow:inset 0 0 40px rgba(124,92,255,.12),0 0 50px rgba(48,213,200,.08);
    }
    .orbit::before,.orbit::after{
      content:"";
      position:absolute;
      width:14px;
      height:14px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 20px rgba(48,213,200,.75);
    }
    .orbit::before{left:22px;top:24px}
    .orbit::after{right:18px;bottom:34px;background:var(--warm);box-shadow:0 0 20px rgba(255,107,154,.55)}
    @keyframes floatPanel{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
    @keyframes floatChip{0%,100%{transform:translate(0,0)}50%{transform:translate(-8px,8px)}}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:34px;
    }
    .section-head .copy{max-width:720px}
    .section-head h2{margin-top:14px}
    .section-head p{margin-top:13px}
    .glass-card{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-soft);
      transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(48,213,200,.28);
      background:linear-gradient(145deg,rgba(255,255,255,.105),rgba(255,255,255,.055));
      box-shadow:0 24px 76px rgba(18,35,100,.34);
    }
    .service-layout{
      display:grid;
      grid-template-columns:.85fr 1.45fr;
      gap:24px;
      align-items:stretch;
    }
    .service-menu{
      padding:18px;
      display:grid;
      gap:12px;
    }
    .service-tab{
      border:1px solid rgba(255,255,255,.09);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      padding:16px;
      transition:.25s var(--ease);
    }
    .service-tab:hover,.service-tab.active{
      border-color:rgba(48,213,200,.35);
      background:linear-gradient(135deg,rgba(79,123,255,.17),rgba(48,213,200,.08));
      transform:translateX(4px);
    }
    .service-tab strong{
      display:block;
      color:#fff;
      font-size:16px;
      margin-bottom:4px;
    }
    .service-tab span{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .service-feature{
      padding:28px;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .service-feature::after{
      content:"";
      position:absolute;
      right:-80px;
      top:-80px;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(79,123,255,.22),transparent 64%);
    }
    .feature-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:22px;
    }
    .feature-item{
      border:1px solid rgba(255,255,255,.09);
      background:rgba(5,7,19,.36);
      border-radius:22px;
      padding:18px;
    }
    .icon-box{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:#fff;
      background:linear-gradient(135deg,rgba(79,123,255,.82),rgba(48,213,200,.65));
      box-shadow:0 12px 30px rgba(79,123,255,.22);
      margin-bottom:12px;
    }
    .icon-box svg{width:22px;height:22px}
    .feature-item h3{font-size:19px;margin-bottom:8px}
    .feature-item p{font-size:14px;line-height:1.7}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .tag{
      padding:6px 10px;
      font-size:12px;
      color:#DCE5FF;
      background:rgba(255,255,255,.055);
    }
    .data-band{
      padding:32px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 18% 10%,rgba(79,123,255,.25),transparent 30%),
        radial-gradient(circle at 90% 70%,rgba(48,213,200,.13),transparent 32%),
        linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .metric{
      padding:20px;
      border-radius:24px;
      background:rgba(5,7,19,.42);
      border:1px solid rgba(255,255,255,.10);
      min-height:160px;
    }
    .metric .num{
      font-size:34px;
      line-height:1;
      font-weight:850;
      letter-spacing:-.05em;
      background:linear-gradient(135deg,#fff,var(--accent));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .metric .label{
      color:#fff;
      margin-top:12px;
      font-weight:760;
    }
    .metric p{
      font-size:13px;
      line-height:1.65;
      margin-top:8px;
    }
    .scenario-grid{
      columns:2;
      column-gap:24px;
    }
    .scenario-card{
      break-inside:avoid;
      margin-bottom:24px;
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .scenario-card.tall{padding-bottom:44px}
    .scenario-cover{
      height:130px;
      border-radius:22px;
      margin-bottom:20px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg,rgba(79,123,255,.32),rgba(124,92,255,.14)),
        radial-gradient(circle at 75% 30%,rgba(48,213,200,.30),transparent 28%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.09) 0 1px,transparent 1px 20px);
      position:relative;
      overflow:hidden;
    }
    .scenario-cover::after{
      content:"";
      position:absolute;
      inset:24px;
      border:1px dashed rgba(255,255,255,.20);
      border-radius:18px;
    }
    .scenario-card h3{margin-top:12px}
    .scenario-card .problem{
      margin-top:14px;
      padding:14px;
      border-left:3px solid rgba(255,107,154,.7);
      border-radius:14px;
      background:rgba(255,107,154,.07);
      color:#D7DDF5;
      font-size:14px;
    }
    .scenario-card .strategy{
      margin-top:12px;
      padding:14px;
      border-left:3px solid rgba(48,213,200,.72);
      border-radius:14px;
      background:rgba(48,213,200,.07);
      color:#D7DDF5;
      font-size:14px;
    }
    .solution-steps{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      padding:22px 18px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.10);
      position:relative;
      overflow:hidden;
      min-height:220px;
    }
    .step-card::before{
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:16px;
      background:rgba(79,123,255,.18);
      color:#DDE6FF;
      border:1px solid rgba(79,123,255,.28);
      font-weight:850;
      margin-bottom:18px;
    }
    .step-card::after{
      content:"";
      position:absolute;
      top:42px;
      right:-30px;
      width:90px;
      height:90px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(48,213,200,.14),transparent 70%);
    }
    .step-card h3{font-size:18px;margin-bottom:10px}
    .step-card p{font-size:14px;line-height:1.7}
    .category-entry{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:20px;
      padding:26px;
      border:1px solid rgba(255,255,255,.11);
      border-radius:30px;
      background:
        linear-gradient(135deg,rgba(124,92,255,.16),rgba(48,213,200,.07)),
        rgba(255,255,255,.04);
    }
    .category-entry p{margin-top:10px;max-width:760px}
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid rgba(255,255,255,.10)!important;
      border-radius:22px!important;
      background:rgba(255,255,255,.055)!important;
      overflow:hidden;
      backdrop-filter:blur(16px);
    }
    .accordion-button{
      color:#fff!important;
      background:rgba(255,255,255,.025)!important;
      box-shadow:none!important;
      padding:20px 22px;
      font-weight:760;
      line-height:1.55;
    }
    .accordion-button:not(.collapsed){
      background:linear-gradient(135deg,rgba(79,123,255,.16),rgba(48,213,200,.07))!important;
      border-left:3px solid var(--accent);
    }
    .accordion-button::after{
      filter:invert(1) grayscale(1);
      opacity:.8;
    }
    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.85;
      background:rgba(255,255,255,.025);
    }
    .cta-panel{
      border-radius:36px;
      padding:36px;
      border:1px solid rgba(255,255,255,.13);
      background:
        radial-gradient(circle at 16% 16%,rgba(79,123,255,.30),transparent 34%),
        radial-gradient(circle at 88% 70%,rgba(48,213,200,.16),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.085),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
    }
    .form-control,.form-select{
      min-height:52px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      color:#fff;
      background-color:rgba(5,7,19,.44);
      padding:12px 15px;
    }
    textarea.form-control{min-height:118px;resize:vertical}
    .form-control::placeholder{color:rgba(170,179,214,.62)}
    .form-control:focus,.form-select:focus{
      color:#fff;
      background-color:rgba(5,7,19,.62);
      border-color:rgba(48,213,200,.62);
    }
    .form-select{
      background-image:none;
      color:#DDE5FF;
    }
    .form-hint{
      color:var(--weak);
      font-size:13px;
      margin-top:10px;
    }
    .site-footer{
      background:linear-gradient(180deg,rgba(5,7,19,.55),rgba(5,7,19,.96));
      border-top:1px solid rgba(255,255,255,.10);
      padding:58px 0 24px;
    }
    .footer-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:780;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .footer-links a,.footer-links span{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:3px;
    }
    .footer-bottom{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1199.98px){
      .solution-steps{grid-template-columns:repeat(3,1fr)}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .dashboard{left:0}
    }
    @media (max-width:991.98px){
      :root{--nav-height:66px}
      .navbar{padding:9px 0}
      .nav-shell{
        display:flex;
        justify-content:space-between;
      }
      .navbar-brand{padding:7px 10px;font-size:15px}
      .brand-mark{width:31px;height:31px;border-radius:12px}
      .mobile-collapse{
        margin-top:12px;
        border:1px solid rgba(255,255,255,.12);
        border-radius:24px;
        background:rgba(7,11,24,.92);
        backdrop-filter:blur(20px);
        padding:12px;
        box-shadow:var(--shadow-soft);
      }
      .mobile-collapse .nav-link{padding:12px 14px!important}
      .hero{padding-top:62px;min-height:auto}
      .hero-visual{min-height:480px;margin-top:24px}
      .dashboard{inset:24px 12px auto 12px}
      .floating-chip{right:22px}
      .service-layout{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .scenario-grid{columns:1}
      .category-entry{grid-template-columns:1fr}
    }
    @media (max-width:767.98px){
      .container{padding-left:18px;padding-right:18px}
      .section{padding:68px 0}
      .section-tight{padding:54px 0}
      .hero-actions .btn{width:100%;justify-content:center}
      .trust-row{gap:8px}
      .trust-pill{font-size:12px;padding:7px 10px}
      .hero-visual{min-height:520px}
      .dash-grid{grid-template-columns:1fr}
      .mini-card.wide{grid-column:auto}
      .feature-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .solution-steps{grid-template-columns:1fr}
      .cta-panel{padding:24px;border-radius:28px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
      .floating-chip{position:relative;right:auto;top:auto;margin:0 18px 0 auto;width:max-content;max-width:calc(100% - 36px)}
      .orbit{opacity:.55}
    }
    @media (max-width:575.98px){
      h1{font-size:36px}
      .lead{font-size:16px}
      .dashboard{padding:18px;border-radius:26px}
      .dash-head{align-items:flex-start;flex-direction:column}
      .service-feature,.scenario-card{padding:20px}
      .metric{min-height:auto}
      .category-entry{padding:22px}
      .site-footer{padding-top:46px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }

/* roulang page: category1 */
:root{
      --bg:#070B18;
      --bg-deep:#050713;
      --bg-soft:#0B1024;
      --panel:rgba(255,255,255,.065);
      --panel-strong:rgba(255,255,255,.095);
      --panel-dark:rgba(8,13,32,.76);
      --border:rgba(255,255,255,.11);
      --border-strong:rgba(48,213,200,.34);
      --text:#F5F7FF;
      --muted:#AAB3D6;
      --weak:#70789C;
      --primary:#4F7BFF;
      --secondary:#7C5CFF;
      --accent:#30D5C8;
      --warm:#FF6B9A;
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(18,35,100,.35);
      --shadow-soft:0 18px 50px rgba(0,0,0,.25);
      --glow:0 0 34px rgba(79,123,255,.34);
      --container:1180px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.8;
      background:
        radial-gradient(circle at 12% 6%, rgba(124,92,255,.24), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(48,213,200,.15), transparent 34%),
        radial-gradient(circle at 70% 86%, rgba(255,107,154,.08), transparent 28%),
        linear-gradient(180deg, var(--bg), var(--bg-deep) 68%, #040610);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), rgba(0,0,0,.16));
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:linear-gradient(180deg, transparent, rgba(255,255,255,.018) 50%, transparent);
      background-size:100% 9px;
      opacity:.32;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:var(--ease);
    }
    a:hover{color:var(--text)}
    img{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(48,213,200,.28);color:#fff}
    .container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .section{
      position:relative;
      padding:92px 0;
    }
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(48,213,200,.22);
      border-radius:999px;
      color:#DFFBFF;
      background:linear-gradient(135deg, rgba(48,213,200,.12), rgba(124,92,255,.10));
      font-size:13px;
      font-weight:650;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 16px rgba(48,213,200,.8);
    }
    h1,h2,h3,h4{
      color:var(--text);
      letter-spacing:-.035em;
      line-height:1.16;
      margin:0;
    }
    h1{
      font-size:clamp(34px,5vw,56px);
      font-weight:820;
    }
    h2{
      font-size:clamp(28px,3.4vw,40px);
      font-weight:780;
    }
    h3{
      font-size:clamp(20px,2.2vw,25px);
      font-weight:730;
    }
    p{
      margin:0;
      color:var(--muted);
    }
    .lead{
      font-size:17px;
      line-height:1.9;
      color:#C1C8E6;
    }
    .text-weak{color:var(--weak)}
    .gradient-text{
      background:linear-gradient(135deg,#fff 12%,#C9D5FF 42%,#7FECE5 78%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(20px);
      background:linear-gradient(180deg, rgba(5,7,19,.88), rgba(5,7,19,.58));
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{
      min-height:78px;
      padding:0;
    }
    .nav-shell{
      width:100%;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:24px;
    }
    .nav-group{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-group.left{justify-content:flex-start}
    .nav-group.right{justify-content:flex-end}
    .navbar-brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      color:var(--text);
      font-weight:780;
      letter-spacing:-.025em;
      margin:0;
      white-space:nowrap;
    }
    .navbar-brand:hover{color:#fff}
    .brand-mark{
      display:inline-flex;
      width:36px;
      height:36px;
      border-radius:13px;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,.9), transparent 9%),
        linear-gradient(135deg, var(--primary), var(--secondary) 58%, var(--accent));
      box-shadow:0 12px 34px rgba(79,123,255,.42), inset 0 0 0 1px rgba(255,255,255,.25);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:8px 10px 9px;
      border:2px solid rgba(255,255,255,.78);
      border-top-left-radius:10px;
      border-top-right-radius:10px;
      border-bottom-left-radius:14px;
      border-bottom-right-radius:14px;
      clip-path:polygon(0 0,100% 0,100% 72%,50% 100%,0 72%);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:6px;
      height:6px;
      border-radius:50%;
      background:#fff;
      left:15px;
      top:15px;
      box-shadow:0 0 12px rgba(255,255,255,.9);
    }
    .nav-link{
      position:relative;
      color:var(--muted);
      font-size:15px;
      font-weight:650;
      padding:10px 12px!important;
      border-radius:999px;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(79,123,255,.16), rgba(48,213,200,.10));
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:3px;
      width:22px;
      height:2px;
      transform:translateX(-50%);
      border-radius:999px;
      background:linear-gradient(90deg, var(--primary), var(--accent));
      box-shadow:0 0 12px rgba(48,213,200,.55);
    }
    .navbar-toggler{
      width:44px;
      height:44px;
      border:1px solid var(--border);
      border-radius:15px;
      padding:0;
      background:rgba(255,255,255,.06);
      display:inline-flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      box-shadow:none!important;
    }
    .toggle-line{
      width:18px;
      height:2px;
      border-radius:999px;
      background:#fff;
      transition:var(--ease);
    }
    .navbar-toggler:hover{
      border-color:rgba(48,213,200,.34);
      background:rgba(255,255,255,.1);
    }
    .mobile-collapse{
      margin-top:14px;
      padding:14px;
      border:1px solid var(--border);
      border-radius:22px;
      background:rgba(10,16,38,.9);
      box-shadow:var(--shadow-soft);
    }
    .mobile-collapse .nav-link{
      display:block;
      margin-bottom:6px;
      padding:11px 13px!important;
    }

    .btn{
      --bs-btn-padding-x:20px;
      --bs-btn-padding-y:11px;
      border-radius:999px;
      font-weight:720;
      letter-spacing:-.01em;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .btn-primary-glow{
      color:#fff!important;
      border-color:rgba(255,255,255,.12)!important;
      background:linear-gradient(135deg, var(--primary), var(--secondary) 46%, var(--accent))!important;
      box-shadow:0 14px 34px rgba(79,123,255,.34), 0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .btn-primary-glow:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 46px rgba(79,123,255,.46), 0 0 22px rgba(48,213,200,.22);
      filter:saturate(1.08);
    }
    .btn-glass{
      color:#EEF3FF!important;
      border-color:rgba(255,255,255,.15)!important;
      background:rgba(255,255,255,.07)!important;
      backdrop-filter:blur(18px);
    }
    .btn-glass:hover{
      transform:translateY(-2px);
      border-color:rgba(48,213,200,.38)!important;
      background:rgba(255,255,255,.11)!important;
      box-shadow:0 16px 40px rgba(0,0,0,.2);
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .form-control:focus,
    .form-select:focus{
      outline:2px solid rgba(48,213,200,.7);
      outline-offset:3px;
      box-shadow:0 0 0 4px rgba(48,213,200,.12)!important;
    }

    .page-hero{
      position:relative;
      padding:88px 0 54px;
      overflow:hidden;
    }
    .page-hero::before{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-180px;
      top:-170px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(79,123,255,.28), transparent 66%);
      pointer-events:none;
    }
    .page-hero::after{
      content:"";
      position:absolute;
      left:-150px;
      bottom:-190px;
      width:440px;
      height:440px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(48,213,200,.14), transparent 65%);
      pointer-events:none;
    }
    .breadcrumb-pills{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin:20px 0 24px;
      color:var(--weak);
      font-size:14px;
    }
    .breadcrumb-pills a,
    .breadcrumb-pills span{
      display:inline-flex;
      align-items:center;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05);
    }
    .breadcrumb-pills a:hover{
      color:#fff;
      border-color:rgba(48,213,200,.28);
      background:rgba(48,213,200,.08);
    }
    .hero-panel{
      position:relative;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      padding:28px;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 16%, rgba(48,213,200,.16), transparent 30%),
        linear-gradient(135deg, rgba(124,92,255,.14), transparent 42%);
      pointer-events:none;
    }
    .hero-panel>*{position:relative}
    .signal-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .signal-card{
      min-height:112px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(6,10,26,.58);
      transition:var(--ease);
    }
    .signal-card:hover{
      transform:translateY(-4px);
      border-color:rgba(48,213,200,.28);
      background:rgba(255,255,255,.08);
    }
    .signal-card .icon{
      width:36px;
      height:36px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:12px;
      color:#fff;
      background:linear-gradient(135deg, rgba(79,123,255,.9), rgba(48,213,200,.78));
      box-shadow:0 12px 28px rgba(79,123,255,.22);
    }
    .signal-card strong{
      display:block;
      color:#fff;
      font-size:16px;
      line-height:1.35;
      margin-bottom:4px;
    }
    .signal-card small{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }

    .layout-card,
    .content-card,
    .sidebar-card,
    .service-row,
    .flow-card,
    .faq-wrap,
    .cta-box{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-soft);
    }
    .layout-card{padding:28px}
    .content-card{
      padding:30px;
      margin-bottom:22px;
    }
    .content-card:hover,
    .service-row:hover,
    .flow-card:hover{
      transform:translateY(-3px);
      border-color:rgba(48,213,200,.28);
      background:linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
      box-shadow:0 24px 70px rgba(18,35,100,.28);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-head p{
      max-width:620px;
    }
    .badge-soft,
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.055);
      color:#C8D1F4;
      font-size:12px;
      font-weight:650;
      line-height:1.3;
    }
    .badge-soft.accent{
      color:#D9FFFB;
      border-color:rgba(48,213,200,.25);
      background:rgba(48,213,200,.09);
    }
    .badge-soft.warm{
      color:#FFE2EC;
      border-color:rgba(255,107,154,.24);
      background:rgba(255,107,154,.08);
    }
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }

    .main-layout{
      padding-top:34px;
    }
    .sidebar-sticky{
      position:sticky;
      top:104px;
    }
    .sidebar-card{
      padding:22px;
      margin-bottom:18px;
    }
    .sidebar-title{
      color:#fff;
      font-weight:760;
      font-size:16px;
      margin-bottom:14px;
      letter-spacing:-.02em;
    }
    .toc-list,
    .mini-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .toc-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      padding:10px 12px;
      border-radius:15px;
      background:rgba(255,255,255,.04);
      border:1px solid transparent;
      font-size:14px;
      font-weight:650;
    }
    .toc-list a::after{
      content:"";
      width:7px;
      height:7px;
      border-top:2px solid currentColor;
      border-right:2px solid currentColor;
      transform:rotate(45deg);
      opacity:.55;
    }
    .toc-list a:hover{
      color:#fff;
      border-color:rgba(48,213,200,.24);
      background:rgba(48,213,200,.07);
    }
    .mini-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .mini-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:8px;
      border-radius:50%;
      flex:0 0 auto;
      background:linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow:0 0 12px rgba(48,213,200,.4);
    }

    .intro-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
      margin-top:22px;
    }
    .principle{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
    }
    .principle strong{
      display:block;
      color:#fff;
      margin-bottom:6px;
      font-size:16px;
    }

    .service-list{
      display:grid;
      gap:16px;
    }
    .service-row{
      padding:22px;
      transition:var(--ease);
    }
    .service-row-top{
      display:flex;
      align-items:flex-start;
      gap:16px;
    }
    .service-index{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg, rgba(79,123,255,.95), rgba(124,92,255,.78));
      box-shadow:0 14px 32px rgba(79,123,255,.22);
    }
    .service-row h3{
      margin-bottom:8px;
    }
    .service-meta{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.09);
    }
    .fit{
      color:var(--weak);
      font-size:14px;
    }
    .fit strong{color:#CDD6FF;font-weight:700}

    .flow-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:22px;
    }
    .flow-card{
      padding:20px 18px;
      position:relative;
      min-height:190px;
      transition:var(--ease);
    }
    .flow-card::before{
      content:"";
      position:absolute;
      left:18px;
      top:18px;
      width:30px;
      height:30px;
      border-radius:12px;
      background:linear-gradient(135deg, var(--accent), var(--primary));
      opacity:.85;
      box-shadow:0 0 24px rgba(48,213,200,.26);
    }
    .flow-card .step{
      display:block;
      color:#fff;
      font-size:13px;
      font-weight:800;
      margin-bottom:54px;
      text-align:right;
    }
    .flow-card h3{
      font-size:18px;
      margin-bottom:8px;
    }
    .flow-card p{
      font-size:14px;
      line-height:1.7;
    }

    .matrix{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:20px;
    }
    .matrix-item{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.045);
    }
    .matrix-item .num{
      display:block;
      font-size:30px;
      font-weight:820;
      line-height:1;
      margin-bottom:10px;
      background:linear-gradient(135deg, #fff, #7FECE5);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .matrix-item strong{
      display:block;
      color:#fff;
      margin-bottom:5px;
    }

    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      overflow:hidden;
      color:var(--text);
      border:1px solid var(--border)!important;
      border-radius:20px!important;
      background:rgba(255,255,255,.055)!important;
      backdrop-filter:blur(18px);
    }
    .accordion-button{
      color:#fff!important;
      background:rgba(255,255,255,.035)!important;
      box-shadow:none!important;
      padding:18px 20px;
      font-weight:760;
      letter-spacing:-.015em;
    }
    .accordion-button:not(.collapsed){
      border-left:3px solid var(--accent);
      background:linear-gradient(135deg, rgba(48,213,200,.12), rgba(79,123,255,.08))!important;
    }
    .accordion-button::after{
      filter:invert(1) grayscale(1);
      opacity:.72;
    }
    .accordion-body{
      padding:0 20px 20px 23px;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }

    .cta-box{
      position:relative;
      overflow:hidden;
      padding:34px;
      background:
        radial-gradient(circle at 15% 25%, rgba(48,213,200,.15), transparent 30%),
        linear-gradient(135deg, rgba(79,123,255,.18), rgba(124,92,255,.10) 45%, rgba(255,107,154,.08));
    }
    .cta-box::after{
      content:"";
      position:absolute;
      right:-90px;
      top:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(124,92,255,.22), transparent 64%);
      pointer-events:none;
    }
    .cta-box>*{position:relative}
    .form-control,
    .form-select{
      min-height:52px;
      color:#fff!important;
      border:1px solid rgba(255,255,255,.12)!important;
      border-radius:16px!important;
      background:rgba(5,9,24,.55)!important;
      padding:12px 15px;
      box-shadow:none!important;
    }
    textarea.form-control{min-height:116px}
    .form-control::placeholder{color:rgba(170,179,214,.58)}
    .form-label{
      color:#DDE5FF;
      font-size:14px;
      font-weight:680;
      margin-bottom:7px;
    }
    .form-note{
      color:var(--weak);
      font-size:13px;
      margin-top:12px;
    }

    .site-footer{
      background:linear-gradient(180deg, rgba(5,7,19,.72), #03050D);
      border-top:1px solid rgba(255,255,255,.08);
      padding:58px 0 28px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:800;
      margin-bottom:16px;
      letter-spacing:-.02em;
    }
    .site-footer p{
      max-width:390px;
      font-size:14px;
      line-height:1.85;
    }
    .footer-title{
      color:#fff;
      font-weight:760;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a,
    .footer-links span{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-bottom{
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1199px){
      .flow-grid{grid-template-columns:repeat(3,1fr)}
      .matrix{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .navbar{min-height:64px;padding:10px 0}
      .page-hero{padding:64px 0 36px}
      .section{padding:70px 0}
      .section-tight{padding:56px 0}
      .sidebar-sticky{position:static}
      .intro-grid{grid-template-columns:1fr}
      .hero-panel{margin-top:24px}
      .service-meta{grid-template-columns:1fr}
    }
    @media (max-width:767px){
      .container{padding-left:18px;padding-right:18px}
      .section-head{
        display:block;
      }
      .section-head p{margin-top:12px}
      .signal-grid,
      .matrix,
      .flow-grid{
        grid-template-columns:1fr;
      }
      .flow-card{min-height:auto}
      .flow-card .step{margin-bottom:44px}
      .content-card,
      .layout-card,
      .cta-box{
        padding:24px;
      }
      .service-row-top{
        flex-direction:column;
      }
      .service-index{
        width:40px;
        height:40px;
      }
      .btn{
        width:100%;
        justify-content:center;
      }
      .breadcrumb-pills{
        font-size:13px;
      }
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
      }
    }
    @media (max-width:520px){
      h1{font-size:36px}
      h2{font-size:28px}
      .page-hero{padding-top:52px}
      .hero-panel,
      .content-card,
      .layout-card,
      .sidebar-card,
      .cta-box{
        border-radius:22px;
      }
      .navbar-brand{
        font-size:15px;
        gap:9px;
      }
      .brand-mark{
        width:32px;
        height:32px;
        border-radius:12px;
      }
      .tag-list{gap:7px}
    }