/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#081421;
      --panel:#0B1B2E;
      --panel-2:#10243A;
      --glass:rgba(15,35,58,.62);
      --glass-2:rgba(20,44,72,.56);
      --brand:#2F8CFF;
      --cyan:#29F0FF;
      --purple:#8B5CFF;
      --purple-2:#A86BFF;
      --green:#39E6A3;
      --orange:#FFB45C;
      --text:#F4F8FF;
      --muted:#B6C4D8;
      --weak:#7F91AA;
      --border:rgba(120,170,220,.18);
      --border-strong:rgba(41,240,255,.38);
      --shadow:0 20px 60px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.06);
      --glow:0 0 38px rgba(47,140,255,.35);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --sidebar:240px;
      --ease:all .22s ease;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(47,140,255,.22),transparent 32%),
        radial-gradient(circle at 88% 88%,rgba(139,92,255,.18),transparent 34%),
        linear-gradient(135deg,#07111F 0%,#081421 48%,#06101D 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      opacity:.055;
      background-image:
        linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
      background-size:42px 42px;
      pointer-events:none;
    }
    body::after{
      content:"C7";
      position:fixed;
      right:-5vw;
      top:14vh;
      z-index:-1;
      font-size:28vw;
      line-height:1;
      font-weight:900;
      letter-spacing:-.08em;
      color:rgba(255,255,255,.025);
      text-shadow:0 0 60px rgba(41,240,255,.08);
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
    .app-shell{min-height:100vh}
    .sidebar{
      position:fixed;
      left:0;
      top:0;
      bottom:0;
      width:var(--sidebar);
      z-index:50;
      padding:26px 18px;
      background:rgba(8,18,32,.78);
      backdrop-filter:blur(22px);
      border-right:1px solid var(--border);
      box-shadow:12px 0 40px rgba(0,0,0,.22);
      display:flex;
      flex-direction:column;
      gap:24px;
    }
    .brand{
      display:flex;
      gap:12px;
      align-items:center;
      padding:8px 8px 18px;
      border-bottom:1px solid rgba(120,170,220,.12);
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.05em;
      background:linear-gradient(135deg,var(--brand),var(--cyan) 48%,var(--purple));
      box-shadow:0 12px 34px rgba(47,140,255,.34);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:52px;
      height:12px;
      background:rgba(255,255,255,.28);
      transform:rotate(-35deg);
      top:5px;
      left:-20px;
    }
    .brand-title{font-weight:800;font-size:17px;line-height:1.25}
    .brand-sub{font-size:12px;color:var(--weak);margin-top:2px}
    .nav-list{display:flex;flex-direction:column;gap:10px}
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:18px;
      color:var(--muted);
      border:1px solid transparent;
      transition:var(--ease);
    }
    .nav-icon{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.045);
      color:var(--cyan);
      font-weight:800;
      font-size:13px;
    }
    .nav-item:hover{
      color:var(--text);
      background:rgba(47,140,255,.11);
      border-color:rgba(41,240,255,.18);
      transform:translateX(2px);
    }
    .nav-item.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(47,140,255,.22),rgba(41,240,255,.08));
      border-color:rgba(41,240,255,.28);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .nav-item.active::before{
      content:"";
      position:absolute;
      left:-18px;
      top:16px;
      bottom:16px;
      width:4px;
      border-radius:999px;
      background:linear-gradient(var(--cyan),var(--brand));
      box-shadow:0 0 18px rgba(41,240,255,.7);
    }
    .side-cta{
      margin-top:auto;
      padding:16px;
      border-radius:24px;
      border:1px solid var(--border);
      background:
        radial-gradient(circle at top right,rgba(41,240,255,.16),transparent 46%),
        rgba(15,35,58,.52);
      box-shadow:var(--shadow);
    }
    .side-cta strong{display:block;font-size:15px;margin-bottom:6px}
    .side-cta p{margin:0 0 12px;color:var(--weak);font-size:12px;line-height:1.65}
    .side-cta a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:100%;
      padding:9px 12px;
      border-radius:999px;
      color:#fff;
      font-size:13px;
      font-weight:700;
      background:linear-gradient(135deg,var(--brand),var(--cyan));
      box-shadow:0 12px 26px rgba(47,140,255,.22);
    }
    .mobilebar{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      height:66px;
      align-items:center;
      justify-content:space-between;
      padding:0 16px;
      background:rgba(8,18,32,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
    }
    .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800}
    .menu-btn{
      width:42px;
      height:42px;
      border:1px solid var(--border);
      border-radius:14px;
      background:rgba(255,255,255,.04);
      color:var(--text);
    }
    .drawer-mask{
      display:none;
      position:fixed;
      inset:0;
      z-index:70;
      background:rgba(1,8,16,.64);
      backdrop-filter:blur(4px);
    }
    .drawer{
      width:min(320px,86vw);
      height:100%;
      padding:18px;
      background:rgba(8,18,32,.94);
      border-right:1px solid var(--border);
      transform:translateX(-105%);
      transition:transform .24s ease;
    }
    .drawer-mask.show{display:block}
    .drawer-mask.show .drawer{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
    .close-btn{
      width:38px;
      height:38px;
      border-radius:13px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.05);
      color:var(--text);
    }
    .main{
      margin-left:var(--sidebar);
      min-height:100vh;
    }
    .page{
      width:min(1320px,100%);
      margin:0 auto;
      padding:32px 42px 0;
    }
    .topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-bottom:22px;
    }
    .breadcrumb{
      color:var(--weak);
      font-size:13px;
      display:flex;
      gap:8px;
      align-items:center;
      flex-wrap:wrap;
    }
    .quick-status{
      display:flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:var(--muted);
      font-size:13px;
    }
    .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 14px rgba(57,230,163,.8);
      flex:0 0 auto;
    }
    .hero{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      background:
        linear-gradient(105deg,rgba(8,20,33,.94) 0%,rgba(8,20,33,.78) 54%,rgba(8,20,33,.56) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      min-height:620px;
      display:grid;
      grid-template-columns:minmax(0,1.03fr) minmax(420px,.97fr);
      gap:30px;
      padding:48px;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 28% 20%,rgba(47,140,255,.22),transparent 26%),
        linear-gradient(90deg,rgba(41,240,255,.08) 1px,transparent 1px);
      background-size:auto,58px 58px;
      opacity:.7;
      pointer-events:none;
    }
    .hero-content,.hero-board{position:relative;z-index:1}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(41,240,255,.24);
      background:rgba(41,240,255,.075);
      color:#DDFBFF;
      font-size:13px;
      font-weight:700;
    }
    .badge.purple{border-color:rgba(168,107,255,.28);background:rgba(139,92,255,.12)}
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:22px 0 18px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:850;
    }
    .grad-text{
      background:linear-gradient(135deg,#fff 0%,#BFEAFF 42%,#8AAEFF 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:28px;
    }
    .hero-actions,.cta-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--cyan));
      box-shadow:0 16px 36px rgba(47,140,255,.33),0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px rgba(47,140,255,.44)}
    .btn-ghost{
      color:#EAF6FF;
      background:rgba(255,255,255,.055);
      border-color:var(--border);
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:var(--border-strong);background:rgba(41,240,255,.08)}
    .trust-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:13px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(120,170,220,.12);
    }
    .hero-board{
      align-self:center;
      display:grid;
      gap:16px;
    }
    .dashboard{
      border:1px solid var(--border);
      border-radius:30px;
      background:rgba(15,35,58,.58);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      padding:20px;
      overflow:hidden;
      position:relative;
    }
    .dashboard::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-90px;
      top:-100px;
      background:radial-gradient(circle,rgba(41,240,255,.18),transparent 68%);
      pointer-events:none;
    }
    .board-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
      position:relative;
      z-index:1;
    }
    .board-title{font-weight:800}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#DFFEF3;
      font-size:12px;
      border:1px solid rgba(57,230,163,.24);
      background:rgba(57,230,163,.08);
      border-radius:999px;
      padding:6px 10px;
      white-space:nowrap;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      position:relative;
      z-index:1;
    }
    .metric{
      padding:16px;
      border:1px solid rgba(120,170,220,.14);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      transition:var(--ease);
    }
    .metric:hover{transform:translateY(-3px);border-color:rgba(41,240,255,.28);background:rgba(41,240,255,.06)}
    .metric-value{
      font-size:28px;
      line-height:1.15;
      font-weight:850;
      letter-spacing:-.02em;
      color:#fff;
    }
    .metric-value.cyan{color:var(--cyan)}
    .metric-value.green{color:var(--green)}
    .metric-value.purple{color:#C4AEFF}
    .metric-label{margin-top:6px;color:var(--muted);font-size:13px}
    .chart-card{
      margin-top:14px;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(120,170,220,.14);
      background:rgba(3,12,24,.28);
    }
    .chart-lines{
      display:flex;
      align-items:end;
      gap:8px;
      height:96px;
      padding-top:12px;
    }
    .bar{
      flex:1;
      border-radius:999px 999px 6px 6px;
      background:linear-gradient(180deg,var(--cyan),rgba(47,140,255,.25));
      min-height:24px;
      box-shadow:0 0 18px rgba(41,240,255,.14);
    }
    .bar:nth-child(2){height:72%}.bar:nth-child(3){height:46%;background:linear-gradient(180deg,var(--purple-2),rgba(139,92,255,.22))}
    .bar:nth-child(4){height:86%}.bar:nth-child(5){height:62%;background:linear-gradient(180deg,var(--green),rgba(57,230,163,.2))}
    .bar:nth-child(6){height:93%}.bar:nth-child(7){height:78%;background:linear-gradient(180deg,var(--purple-2),rgba(139,92,255,.22))}
    .section{padding:82px 0 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:20px;
      margin-bottom:26px;
    }
    .section-kicker{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
    h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.03em;
      margin-bottom:0;
    }
    .section-desc{max-width:660px;color:var(--muted);margin:10px 0 0}
    .glass-card{
      border:1px solid var(--border);
      background:var(--glass);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .glass-card::after{
      content:"";
      position:absolute;
      width:160px;
      height:160px;
      right:-70px;
      bottom:-80px;
      background:radial-gradient(circle,rgba(47,140,255,.16),transparent 70%);
      transition:var(--ease);
      pointer-events:none;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(41,240,255,.28);
      box-shadow:0 28px 70px rgba(0,0,0,.34),0 0 34px rgba(47,140,255,.12),inset 0 1px 0 rgba(255,255,255,.08);
    }
    .glass-card:hover::after{transform:translate(-18px,-16px);opacity:1}
    .metrics-strip{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .strip-card{padding:22px}
    .strip-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .strip-num{
      font-size:32px;
      font-weight:850;
      letter-spacing:-.04em;
      color:#fff;
    }
    .strip-name{font-weight:800;margin-top:8px}
    .strip-text{color:var(--weak);font-size:13px;line-height:1.65;margin:6px 0 0}
    .mini-ring{
      width:42px;
      height:42px;
      border-radius:50%;
      background:conic-gradient(var(--cyan) 0 78%,rgba(255,255,255,.08) 78% 100%);
      position:relative;
      flex:0 0 auto;
    }
    .mini-ring::after{
      content:"";
      position:absolute;
      inset:7px;
      border-radius:50%;
      background:#10243A;
    }
    .service-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:16px;
    }
    .service-card{padding:24px;min-height:210px}
    .service-card.large{grid-column:span 7;min-height:330px}
    .service-card.medium{grid-column:span 5}
    .service-card.small{grid-column:span 4;min-height:190px}
    .card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(47,140,255,.1);
      border:1px solid rgba(47,140,255,.22);
      color:#CFE5FF;
      font-size:12px;
      font-weight:700;
    }
    .tag.green{background:rgba(57,230,163,.08);border-color:rgba(57,230,163,.22);color:#DFFEF3}
    .tag.purple{background:rgba(139,92,255,.1);border-color:rgba(139,92,255,.24);color:#E5DCFF}
    .tag.orange{background:rgba(255,180,92,.08);border-color:rgba(255,180,92,.22);color:#FFE7C8}
    .service-card h3{font-size:22px;line-height:1.32;margin-bottom:12px}
    .service-card p{color:var(--muted);margin-bottom:18px}
    .text-link{
      color:#DDFBFF;
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .text-link span{transition:transform .2s ease}
    .text-link:hover span{transform:translateX(5px)}
    .visual-card{
      margin-top:24px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .cover-box{
      position:relative;
      min-height:138px;
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(120,170,220,.16);
      background:linear-gradient(135deg,rgba(47,140,255,.18),rgba(139,92,255,.13));
    }
    .cover-box img{width:100%;height:100%;object-fit:cover;opacity:.74}
    .cover-box::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(4,12,24,.72));
    }
    .cover-label{
      position:absolute;
      left:14px;
      right:14px;
      bottom:12px;
      z-index:1;
      font-size:13px;
      color:#fff;
      font-weight:800;
    }
    .comparison{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      gap:16px;
      align-items:stretch;
    }
    .compare-panel{padding:26px}
    .compare-panel.dim{background:rgba(11,27,46,.42)}
    .compare-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .compare-title h3{margin:0;font-size:21px}
    .compare-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
    .compare-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      padding:11px 0;
      border-bottom:1px solid rgba(120,170,220,.1);
    }
    .compare-list li:last-child{border-bottom:0}
    .check{
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top:2px;
      background:rgba(57,230,163,.1);
      color:var(--green);
      font-size:13px;
      font-weight:900;
    }
    .minus{background:rgba(127,145,170,.1);color:var(--weak)}
    .upgrade{
      align-self:center;
      width:82px;
      height:82px;
      border-radius:50%;
      display:grid;
      place-items:center;
      text-align:center;
      font-size:13px;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--purple));
      box-shadow:0 0 38px rgba(47,140,255,.38);
      border:1px solid rgba(255,255,255,.15);
    }
    .category-entry{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:18px;
      align-items:stretch;
    }
    .entry-main{padding:28px}
    .entry-media{
      position:relative;
      min-height:280px;
      overflow:hidden;
      border-radius:24px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.04);
    }
    .entry-media img{width:100%;height:100%;object-fit:cover;opacity:.78}
    .entry-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(7,17,31,.05),rgba(7,17,31,.78));
    }
    .entry-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .entry-mini{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(120,170,220,.13);
      background:rgba(255,255,255,.04);
    }
    .entry-mini strong{display:block;font-size:15px}
    .entry-mini span{font-size:12px;color:var(--weak)}
    .feed-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
    }
    .update-list{padding:0;margin:0;list-style:none;display:grid;gap:12px}
    .update-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(120,170,220,.14);
      background:rgba(15,35,58,.48);
      transition:var(--ease);
    }
    .update-item:hover{transform:translateX(4px);border-color:rgba(41,240,255,.24);background:rgba(41,240,255,.055)}
    .num-dot{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,rgba(47,140,255,.72),rgba(139,92,255,.68));
    }
    .update-item h3{margin:0 0 4px;font-size:17px}
    .update-item p{margin:0;color:var(--weak);font-size:13px;line-height:1.6}
    .update-state{font-size:12px;color:var(--cyan);white-space:nowrap}
    .rank-card{padding:22px}
    .rank-list{display:grid;gap:12px;margin-top:16px}
    .rank-row{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(120,170,220,.1);
    }
    .rank-row b{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(41,240,255,.1);
      color:var(--cyan);
    }
    .rank-row span{color:var(--muted);font-size:13px}
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-card{padding:22px}
    .process-step{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      background:linear-gradient(135deg,rgba(47,140,255,.42),rgba(41,240,255,.12));
      color:#fff;
      font-weight:900;
      border:1px solid rgba(41,240,255,.22);
    }
    .process-card h3{font-size:18px;margin-bottom:8px}
    .process-card p{color:var(--weak);font-size:14px;margin:0}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;
      padding:20px 22px;
      border:0;
      background:transparent;
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      font-weight:800;
    }
    .faq-q i{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      font-style:normal;
      color:var(--cyan);
      background:rgba(41,240,255,.08);
      transition:transform .2s ease;
      flex:0 0 auto;
    }
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q i{transform:rotate(45deg)}
    .contact-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .cta-panel{
      padding:30px;
      background:
        radial-gradient(circle at 85% 20%,rgba(41,240,255,.16),transparent 36%),
        linear-gradient(135deg,rgba(47,140,255,.16),rgba(139,92,255,.1)),
        var(--glass);
    }
    .cta-panel h2{margin-bottom:12px}
    .cta-panel p{color:var(--muted)}
    .promise-list{display:grid;gap:12px;margin-top:22px}
    .promise{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(120,170,220,.12);
    }
    .promise strong{display:block}
    .promise span{display:block;color:var(--weak);font-size:13px}
    .form-card{padding:24px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{color:var(--muted);font-size:13px;font-weight:700}
    input,select,textarea{
      width:100%;
      border:1px solid rgba(120,170,220,.18);
      border-radius:16px;
      background:rgba(5,15,28,.48);
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:var(--ease);
    }
    textarea{min-height:124px;resize:vertical}
    input::placeholder,textarea::placeholder{color:rgba(182,196,216,.52)}
    input:focus,select:focus,textarea:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(47,140,255,.12),0 0 24px rgba(47,140,255,.14);
    }
    .form-note{min-height:24px;color:var(--green);font-size:13px;margin:10px 0 0}
    .footer{
      margin-top:82px;
      padding:34px 0 38px;
      border-top:1px solid var(--border);
      color:var(--weak);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:12px}
    .footer-brand strong{color:var(--text);font-size:18px}
    .footer p{margin:0;max-width:760px;font-size:13px}
    .footer-links{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
    .footer-links a{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(120,170,220,.12);
      background:rgba(255,255,255,.03);
      font-size:13px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--text);border-color:rgba(41,240,255,.24)}
    .copyright{grid-column:1/-1;padding-top:18px;border-top:1px solid rgba(120,170,220,.1);font-size:12px}
    @media (max-width:1180px){
      :root{--sidebar:220px}
      .page{padding:26px 26px 0}
      .hero{grid-template-columns:1fr;min-height:auto}
      .hero-board{align-self:auto}
      .metrics-strip{grid-template-columns:repeat(2,1fr)}
      .service-card.large,.service-card.medium{grid-column:span 12}
      .service-card.small{grid-column:span 6}
      .category-entry{grid-template-columns:1fr}
      .entry-media{min-height:240px}
      .feed-grid,.contact-wrap{grid-template-columns:1fr}
    }
    @media (max-width:900px){
      .sidebar{display:none}
      .mobilebar{display:flex}
      .main{margin-left:0}
      .page{padding:20px 18px 0}
      .topline{margin-top:4px}
      .hero{padding:32px 22px;border-radius:26px}
      .section{padding-top:64px}
      .comparison{grid-template-columns:1fr}
      .upgrade{width:auto;height:auto;border-radius:999px;padding:12px 18px;margin:auto}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .faq-grid{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:620px){
      body::after{display:none}
      .page{padding:16px 14px 0}
      .topline{align-items:flex-start;flex-direction:column}
      .hero{padding:24px 16px}
      h1{font-size:34px}
      .hero-lead{font-size:15px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .metric-grid,.metrics-strip,.entry-stack,.form-grid{grid-template-columns:1fr}
      .service-grid{display:block}
      .service-card{margin-bottom:14px;min-height:auto!important}
      .visual-card{grid-template-columns:1fr}
      .update-item{grid-template-columns:auto 1fr}
      .update-state{grid-column:2}
      .process-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .quick-status{font-size:12px}
      .footer{margin-top:62px}
    }

/* roulang page: category1 */
:root {
      --bg: #07111F;
      --bg-2: #081421;
      --panel: rgba(15, 35, 58, .66);
      --panel-2: rgba(20, 44, 72, .56);
      --panel-solid: #0B1B2E;
      --panel-deep: #10243A;
      --blue: #2F8CFF;
      --cyan: #29F0FF;
      --purple: #8B5CFF;
      --violet: #A86BFF;
      --green: #39E6A3;
      --orange: #FFB45C;
      --text: #F4F8FF;
      --muted: #B6C4D8;
      --weak: #7F91AA;
      --border: rgba(120, 170, 220, .18);
      --border-strong: rgba(41, 240, 255, .36);
      --shadow: 0 20px 60px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .06);
      --glow: 0 0 34px rgba(47, 140, 255, .35);
      --radius-lg: 32px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --sidebar: 240px;
      --max: 1240px;
      --ease: 220ms ease;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 6%, rgba(47, 140, 255, .24), transparent 34%),
        radial-gradient(circle at 86% 80%, rgba(139, 92, 255, .20), transparent 36%),
        linear-gradient(145deg, var(--bg) 0%, #071827 48%, #050C17 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      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;
      opacity: .28;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 92%);
    }

    body::after {
      content: "C7";
      position: fixed;
      right: -80px;
      top: 14vh;
      z-index: -1;
      font-size: clamp(160px, 22vw, 360px);
      font-weight: 900;
      letter-spacing: -.08em;
      color: rgba(255, 255, 255, .025);
      text-shadow: 0 0 50px rgba(41, 240, 255, .05);
      pointer-events: none;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    :focus-visible {
      outline: 3px solid rgba(41, 240, 255, .75);
      outline-offset: 3px;
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar);
      z-index: 40;
      display: flex;
      flex-direction: column;
      padding: 24px 18px;
      background: rgba(8, 18, 32, .78);
      backdrop-filter: blur(20px);
      border-right: 1px solid rgba(120, 170, 220, .16);
      box-shadow: 12px 0 50px rgba(0, 0, 0, .22);
    }

    .brand {
      display: flex;
      gap: 12px;
      align-items: center;
      min-height: 58px;
      padding: 10px 8px 22px;
      border-bottom: 1px solid var(--border);
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      font-weight: 900;
      letter-spacing: -.04em;
      color: #fff;
      background: linear-gradient(135deg, var(--blue), var(--cyan) 52%, var(--purple));
      box-shadow: 0 12px 34px rgba(47, 140, 255, .36);
    }

    .brand-text strong {
      display: block;
      font-size: 16px;
      line-height: 1.25;
      letter-spacing: .01em;
    }

    .brand-text span {
      display: block;
      margin-top: 4px;
      color: var(--weak);
      font-size: 12px;
      line-height: 1.4;
    }

    .nav-list {
      display: grid;
      gap: 10px;
      margin-top: 26px;
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 48px;
      padding: 10px 12px;
      border-radius: 16px;
      color: var(--muted);
      border: 1px solid transparent;
      transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .nav-item::before {
      content: "";
      position: absolute;
      left: -8px;
      top: 14px;
      bottom: 14px;
      width: 3px;
      border-radius: 999px;
      background: transparent;
      box-shadow: none;
      transition: background var(--ease), box-shadow var(--ease);
    }

    .nav-item:hover {
      color: var(--text);
      background: rgba(47, 140, 255, .10);
      border-color: rgba(120, 170, 220, .18);
      transform: translateX(2px);
    }

    .nav-item.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(47, 140, 255, .22), rgba(41, 240, 255, .08));
      border-color: rgba(41, 240, 255, .26);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 14px 28px rgba(47, 140, 255, .12);
    }

    .nav-item.active::before {
      background: var(--cyan);
      box-shadow: 0 0 16px rgba(41, 240, 255, .75);
    }

    .nav-icon {
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 11px;
      color: #DFFBFF;
      font-size: 13px;
      font-weight: 800;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .07);
    }

    .side-cta {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid rgba(41, 240, 255, .20);
      background:
        radial-gradient(circle at 20% 0%, rgba(41, 240, 255, .18), transparent 40%),
        rgba(15, 35, 58, .66);
      box-shadow: var(--shadow);
    }

    .side-cta b {
      display: block;
      font-size: 15px;
      margin-bottom: 6px;
    }

    .side-cta p {
      margin: 0 0 14px;
      color: var(--weak);
      font-size: 12px;
      line-height: 1.6;
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      padding: 0 16px;
      background: rgba(8, 18, 32, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
    }

    .menu-toggle {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--border);
    }

    .menu-toggle:hover {
      border-color: var(--border-strong);
      background: rgba(41, 240, 255, .10);
    }

    .drawer-mask {
      position: fixed;
      inset: 0;
      z-index: 55;
      opacity: 0;
      visibility: hidden;
      background: rgba(0, 0, 0, .55);
      transition: opacity var(--ease), visibility var(--ease);
    }

    .drawer-mask.show {
      opacity: 1;
      visibility: visible;
    }

    .main {
      margin-left: var(--sidebar);
      min-height: 100vh;
    }

    .page-wrap {
      width: min(100%, var(--max));
      margin: 0 auto;
      padding: 34px 36px 0;
    }

    .topline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 22px;
      color: var(--weak);
      font-size: 14px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }

    .breadcrumb a {
      color: var(--muted);
      transition: color var(--ease);
    }

    .breadcrumb a:hover {
      color: var(--cyan);
    }

    .status-pill,
    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: fit-content;
      border-radius: 999px;
      border: 1px solid rgba(41, 240, 255, .20);
      background: rgba(41, 240, 255, .08);
      color: #DDFDFF;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      padding: 8px 12px;
      white-space: nowrap;
    }

    .status-pill::before,
    .badge-dot::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(57, 230, 163, .78);
    }

    .glass {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .glass::after {
      content: "";
      position: absolute;
      inset: -1px;
      pointer-events: none;
      background: radial-gradient(circle at var(--mx, 20%) var(--my, 0%), rgba(41, 240, 255, .13), transparent 32%);
      opacity: .8;
      transition: opacity var(--ease);
    }

    .section {
      margin: 28px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 20px;
      margin-bottom: 18px;
    }

    .section-kicker {
      margin: 0 0 6px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 18px;
      max-width: 780px;
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.14;
      letter-spacing: -.04em;
    }

    h2 {
      margin-bottom: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.22;
      letter-spacing: -.02em;
    }

    h3 {
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 9px;
    }

    p {
      color: var(--muted);
    }

    .lead {
      max-width: 790px;
      font-size: 17px;
      color: #C7D7EA;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      box-shadow: 0 14px 34px rgba(47, 140, 255, .34), 0 0 24px rgba(41, 240, 255, .16);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(47, 140, 255, .44), 0 0 32px rgba(41, 240, 255, .24);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--border);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: var(--border-strong);
      background: rgba(41, 240, 255, .08);
    }

    .btn-mini {
      width: 100%;
      min-height: 38px;
      padding: 10px 12px;
      font-size: 13px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #DDFDFF;
      font-weight: 800;
      transition: color var(--ease);
    }

    .text-link span {
      transition: transform var(--ease);
    }

    .text-link:hover {
      color: var(--cyan);
    }

    .text-link:hover span {
      transform: translateX(4px);
    }

    .category-hero {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
      gap: 22px;
      align-items: stretch;
      min-height: 430px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(110deg, rgba(7, 17, 31, .94), rgba(8, 20, 33, .76)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: clamp(18px, 3vw, 32px);
      border-radius: 26px;
      background: linear-gradient(135deg, rgba(15, 35, 58, .48), rgba(15, 35, 58, .18));
      border: 1px solid rgba(255, 255, 255, .07);
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .hero-panel {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 14px;
      padding: 18px;
      border-radius: 28px;
      background: rgba(5, 13, 24, .42);
      border: 1px solid rgba(120, 170, 220, .16);
      backdrop-filter: blur(10px);
    }

    .cover-card {
      position: relative;
      min-height: 210px;
      overflow: hidden;
      border-radius: 24px;
      border: 1px solid rgba(255, 255, 255, .10);
      background: linear-gradient(135deg, rgba(47, 140, 255, .22), rgba(139, 92, 255, .18));
    }

    .cover-card img {
      width: 100%;
      height: 100%;
      min-height: 210px;
      object-fit: cover;
      opacity: .72;
      filter: saturate(1.08) contrast(1.05);
    }

    .cover-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 13, 24, .88), rgba(5, 13, 24, .10));
    }

    .cover-label {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 14px;
      z-index: 1;
    }

    .cover-label b {
      display: block;
      font-size: 18px;
      margin-bottom: 4px;
    }

    .cover-label span {
      color: var(--muted);
      font-size: 13px;
    }

    .mini-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .mini-metric {
      padding: 15px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(120, 170, 220, .14);
    }

    .mini-metric strong {
      display: block;
      color: var(--cyan);
      font-size: 24px;
      line-height: 1.1;
      letter-spacing: -.02em;
    }

    .mini-metric span {
      display: block;
      margin-top: 6px;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.45;
    }

    .panel-grid {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 20px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: 26px;
      padding: 20px;
      border-radius: var(--radius-md);
    }

    .filter-panel h2 {
      font-size: 22px;
      margin-bottom: 8px;
    }

    .filter-panel p {
      margin-bottom: 16px;
      font-size: 14px;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag {
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border-color: rgba(120, 170, 220, .16);
      font-size: 12px;
      padding: 8px 10px;
    }

    .tag.active,
    .tag:hover {
      color: #fff;
      border-color: rgba(41, 240, 255, .30);
      background: rgba(41, 240, 255, .10);
    }

    .timeline-note {
      margin-top: 18px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(57, 230, 163, .08);
      border: 1px solid rgba(57, 230, 163, .16);
      color: #CFFFEF;
      font-size: 13px;
      line-height: 1.65;
    }

    .info-feed {
      display: grid;
      gap: 12px;
    }

    .feed-item {
      position: relative;
      display: grid;
      grid-template-columns: 54px minmax(0, 1fr) 150px;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--border);
      background: rgba(15, 35, 58, .52);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .feed-item:hover {
      transform: translateY(-3px);
      border-color: rgba(41, 240, 255, .32);
      background: rgba(20, 44, 72, .66);
      box-shadow: 0 18px 42px rgba(0, 0, 0, .22);
    }

    .feed-no {
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(47, 140, 255, .90), rgba(139, 92, 255, .78));
      box-shadow: 0 12px 24px rgba(47, 140, 255, .22);
    }

    .feed-main h3 {
      margin-bottom: 6px;
    }

    .feed-main p {
      margin: 0;
      font-size: 14px;
      color: var(--muted);
    }

    .feed-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .feed-tag {
      display: inline-flex;
      padding: 5px 8px;
      border-radius: 999px;
      color: #CFE7FF;
      font-size: 12px;
      background: rgba(47, 140, 255, .10);
      border: 1px solid rgba(47, 140, 255, .14);
    }

    .feed-side {
      text-align: right;
    }

    .feed-side time,
    .feed-side small {
      display: block;
      color: var(--weak);
      font-size: 12px;
    }

    .feed-side a {
      margin-top: 10px;
    }

    .metrics-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .metric-block {
      padding: 20px;
      border-radius: 24px;
      border: 1px solid var(--border);
      background:
        linear-gradient(145deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .018)),
        rgba(15, 35, 58, .50);
      transition: transform var(--ease), border-color var(--ease);
    }

    .metric-block:hover {
      transform: translateY(-3px);
      border-color: rgba(41, 240, 255, .30);
    }

    .metric-block strong {
      display: block;
      margin-bottom: 6px;
      font-size: 30px;
      line-height: 1;
      background: linear-gradient(135deg, #fff, var(--cyan));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .metric-block span {
      color: var(--weak);
      font-size: 13px;
    }

    .featured-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 18px;
    }

    .feature-card {
      min-height: 360px;
      padding: 24px;
      border-radius: var(--radius-lg);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      background:
        linear-gradient(to top, rgba(5, 13, 24, .92), rgba(5, 13, 24, .30), rgba(47, 140, 255, .12)),
        url("/assets/images/coverpic/cover-2.webp") center/cover no-repeat;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .feature-card p {
      max-width: 720px;
    }

    .step-card {
      padding: 22px;
      border-radius: 28px;
    }

    .step-list {
      display: grid;
      gap: 13px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .04);
      border: 1px solid rgba(120, 170, 220, .12);
      color: var(--muted);
      font-size: 14px;
    }

    .step-list em {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 13px;
      font-style: normal;
      font-weight: 900;
      color: #061321;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(41, 240, 255, .28);
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .scene-card {
      padding: 20px;
      border-radius: 24px;
      border: 1px solid var(--border);
      background: rgba(15, 35, 58, .50);
      transition: transform var(--ease), border-color var(--ease);
    }

    .scene-card:hover {
      transform: translateY(-3px);
      border-color: rgba(41, 240, 255, .30);
    }

    .scene-icon {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      border-radius: 16px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--blue), var(--purple));
      box-shadow: 0 12px 26px rgba(139, 92, 255, .20);
    }

    .scene-card p {
      margin-bottom: 0;
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 22px;
      border: 1px solid var(--border);
      background: rgba(15, 35, 58, .54);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 18px 20px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: var(--cyan);
      background: rgba(41, 240, 255, .08);
      transition: transform var(--ease);
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .contact-cta {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
      gap: 20px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 10% 10%, rgba(41, 240, 255, .15), transparent 35%),
        radial-gradient(circle at 92% 80%, rgba(139, 92, 255, .18), transparent 34%),
        rgba(15, 35, 58, .62);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .cta-copy {
      padding: 10px;
      align-self: center;
    }

    .form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: 26px;
      background: rgba(5, 13, 24, .34);
      border: 1px solid rgba(120, 170, 220, .14);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      border-radius: 16px;
      border: 1px solid rgba(120, 170, 220, .18);
      background: rgba(255, 255, 255, .055);
      color: var(--text);
      padding: 12px 13px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field select option {
      color: #07111F;
    }

    .field textarea {
      min-height: 112px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(182, 196, 216, .58);
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: rgba(41, 240, 255, .58);
      background: rgba(41, 240, 255, .07);
      box-shadow: 0 0 0 4px rgba(41, 240, 255, .08);
    }

    .form-tip {
      min-height: 22px;
      margin: 0;
      color: var(--green);
      font-size: 13px;
    }

    .footer {
      margin-left: var(--sidebar);
      padding: 34px 36px 36px;
    }

    .footer-inner {
      width: min(100%, var(--max));
      margin: 0 auto;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(220px, .85fr);
      gap: 24px;
      padding: 24px;
      border-radius: 28px;
      border: 1px solid var(--border);
      background: rgba(8, 18, 32, .72);
      box-shadow: var(--shadow);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
    }

    .footer p {
      max-width: 760px;
      margin-bottom: 0;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      align-content: flex-start;
      gap: 10px;
    }

    .footer-links a {
      padding: 8px 11px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .04);
      border: 1px solid rgba(120, 170, 220, .12);
      transition: color var(--ease), border-color var(--ease), background var(--ease);
    }

    .footer-links a:hover {
      color: #fff;
      border-color: rgba(41, 240, 255, .28);
      background: rgba(41, 240, 255, .08);
    }

    .copyright {
      grid-column: 1 / -1;
      padding-top: 16px;
      border-top: 1px solid var(--border);
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1180px) {
      :root {
        --sidebar: 220px;
      }

      .page-wrap {
        padding-left: 24px;
        padding-right: 24px;
      }

      .category-hero,
      .featured-grid,
      .contact-cta {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        grid-template-columns: 1fr 1fr;
      }

      .cover-card {
        min-height: 100%;
      }
    }

    @media (max-width: 980px) {
      .sidebar {
        transform: translateX(-102%);
        transition: transform var(--ease);
        width: 270px;
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .mobile-bar {
        display: flex;
      }

      .main,
      .footer {
        margin-left: 0;
      }

      .page-wrap {
        padding-top: 22px;
      }

      .topline {
        flex-direction: column;
        align-items: flex-start;
      }

      .panel-grid {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: relative;
        top: auto;
      }

      .metrics-strip,
      .scene-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-inner {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 720px) {
      .page-wrap {
        padding-left: 16px;
        padding-right: 16px;
      }

      .category-hero {
        padding: 14px;
        border-radius: 26px;
      }

      .hero-copy {
        padding: 18px;
      }

      .hero-panel,
      .mini-metrics {
        grid-template-columns: 1fr;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }

      .feed-item {
        grid-template-columns: 44px minmax(0, 1fr);
      }

      .feed-side {
        grid-column: 2;
        text-align: left;
      }

      .metrics-strip,
      .scene-grid {
        grid-template-columns: 1fr;
      }

      .contact-cta {
        padding: 16px;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .btn-row,
      .btn {
        width: 100%;
      }

      .footer {
        padding: 24px 16px;
      }
    }

    @media (max-width: 480px) {
      .brand-text strong {
        font-size: 15px;
      }

      .mobile-brand span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      h1 {
        font-size: 32px;
      }

      .hero-meta {
        gap: 8px;
      }

      .status-pill,
      .badge {
        font-size: 12px;
      }

      .feed-item {
        padding: 14px;
        gap: 12px;
      }
    }