/* roulang page: index */
:root{
      --pa-primary:#6D3BFF;
      --pa-primary-2:#7C4DFF;
      --pa-cyan:#22E6B8;
      --pa-cyan-2:#19D3C5;
      --pa-orange:#FFB020;
      --pa-dark:#101018;
      --pa-dark-2:#151524;
      --pa-deep:#21164a;
      --pa-bg:#F7F6FF;
      --pa-bg-2:#FAFAFD;
      --pa-card:#ffffff;
      --pa-text:#20202A;
      --pa-muted:#626272;
      --pa-soft:#8A8A99;
      --pa-border:rgba(109,59,255,.14);
      --pa-border-2:#E7E3FA;
      --pa-radius-lg:30px;
      --pa-radius:22px;
      --pa-radius-sm:16px;
      --pa-shadow:0 18px 50px rgba(44,28,100,.12);
      --pa-shadow-hover:0 22px 60px rgba(44,28,100,.18);
      --pa-glow:0 0 0 4px rgba(34,230,184,.16), 0 16px 42px rgba(109,59,255,.22);
      --pa-gradient:linear-gradient(135deg,var(--pa-primary),var(--pa-cyan));
      --pa-gradient-2:linear-gradient(135deg,#2b195f 0%,#11111d 45%,#102c32 100%);
      --pa-container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:92px}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--pa-text);
      background:var(--pa-bg-2);
      line-height:1.75;
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--pa-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(109,59,255,.22);color:#151524}
    .container{max-width:var(--pa-container)}
    .section{padding:104px 0;position:relative}
    .section-soft{background:var(--pa-bg)}
    .section-title{max-width:760px;margin-bottom:38px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--pa-primary);
      background:rgba(109,59,255,.09);
      border:1px solid rgba(109,59,255,.12);
      font-size:14px;
      font-weight:800;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 0 5px rgba(34,230,184,.14);
    }
    h1,h2,h3,h4{letter-spacing:-.02em;color:inherit}
    h1{
      font-size:clamp(38px,6vw,66px);
      line-height:1.1;
      font-weight:900;
      margin:0 0 22px;
    }
    h2{
      font-size:clamp(30px,4vw,44px);
      line-height:1.18;
      font-weight:900;
      margin:0 0 14px;
    }
    h3{font-size:24px;line-height:1.28;font-weight:850;margin:0 0 12px}
    p{margin:0;color:var(--pa-muted)}
    .text-gradient{
      background:var(--pa-gradient);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .btn{
      border:0;
      border-radius:999px;
      padding:13px 22px;
      font-weight:850;
      letter-spacing:.01em;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      box-shadow:none;
    }
    .btn:focus-visible,.nav-link:focus-visible,.form-control:focus,.form-select:focus{
      outline:none;
      box-shadow:var(--pa-glow);
      border-color:rgba(34,230,184,.55);
    }
    .btn-primary,.btn-pa{
      background:var(--pa-gradient)!important;
      color:#fff!important;
      box-shadow:0 16px 34px rgba(109,59,255,.26);
    }
    .btn-primary:hover,.btn-pa:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 44px rgba(109,59,255,.34);
      filter:saturate(1.08);
    }
    .btn-outline-pa{
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.22);
    }
    .btn-outline-pa:hover{
      background:#fff;
      color:var(--pa-primary);
      transform:translateY(-2px);
    }
    .btn-light-pa{
      background:#fff;
      color:var(--pa-primary);
      border:1px solid var(--pa-border);
      box-shadow:0 12px 28px rgba(44,28,100,.08);
    }
    .btn-light-pa:hover{
      transform:translateY(-2px);
      border-color:rgba(109,59,255,.34);
      box-shadow:var(--pa-shadow);
    }
    .link-arrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--pa-primary);font-weight:850;
    }
    .link-arrow span{transition:transform .2s ease}
    .link-arrow:hover span{transform:translateX(4px)}
    .pa-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:6px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--pa-primary);
      background:rgba(109,59,255,.09);
      border:1px solid rgba(109,59,255,.12);
      white-space:nowrap;
    }
    .pa-badge.cyan{color:#087466;background:rgba(34,230,184,.14);border-color:rgba(34,230,184,.28)}
    .pa-badge.orange{color:#8a5300;background:rgba(255,176,32,.16);border-color:rgba(255,176,32,.26)}
    .pa-badge.dark{color:var(--pa-cyan);background:rgba(16,16,24,.72);border-color:rgba(34,230,184,.25)}
    .site-header{
      position:fixed;
      top:14px;left:0;right:0;
      z-index:1030;
      pointer-events:none;
    }
    .site-nav{
      pointer-events:auto;
      min-height:74px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(16,16,24,.78);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(0,0,0,.22);
    }
    .brand-logo{
      display:flex;align-items:center;gap:10px;
      font-size:20px;
      font-weight:950;
      color:#fff!important;
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--pa-gradient);
      box-shadow:0 0 24px rgba(34,230,184,.24);
      color:#fff;
      font-weight:950;
      letter-spacing:-.08em;
      transform:skew(-6deg);
    }
    .navbar-nav{gap:4px}
    .navbar .nav-link{
      color:rgba(255,255,255,.76);
      font-weight:800;
      padding:10px 14px!important;
      border-radius:999px;
      position:relative;
    }
    .navbar .nav-link:hover,.navbar .nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.1);
    }
    .navbar-toggler{
      border:0;
      width:44px;height:44px;border-radius:999px;
      background:rgba(255,255,255,.1);
      color:#fff;
      padding:0;
    }
    .navbar-toggler:focus{box-shadow:var(--pa-glow)}
    .nav-status{
      display:flex;align-items:center;gap:9px;
      padding-left:8px;
    }
    .status-dot{
      width:9px;height:9px;border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 0 6px rgba(34,230,184,.14),0 0 18px rgba(34,230,184,.72);
    }
    .offcanvas{
      background:#12121d;
      color:#fff;
      border-left:1px solid rgba(255,255,255,.12);
    }
    .offcanvas .nav-link{color:rgba(255,255,255,.78);border-radius:16px;padding:12px 14px!important}
    .offcanvas .nav-link.active,.offcanvas .nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
    .hero{
      min-height:100vh;
      padding:146px 0 82px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        radial-gradient(circle at 12% 22%,rgba(109,59,255,.55),transparent 30%),
        radial-gradient(circle at 86% 26%,rgba(34,230,184,.24),transparent 28%),
        linear-gradient(135deg,rgba(16,16,24,.92),rgba(21,21,36,.86)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(115deg,rgba(16,16,24,.82) 0%,rgba(16,16,24,.56) 48%,rgba(16,16,24,.82) 100%),
        repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 76px);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;border-radius:50%;
      right:-180px;bottom:-180px;
      border:1px solid rgba(34,230,184,.28);
      box-shadow:inset 0 0 60px rgba(109,59,255,.18);
    }
    .hero .container{position:relative;z-index:1}
    .hero-subtitle{
      font-size:18px;
      line-height:1.9;
      color:rgba(255,255,255,.78);
      max-width:650px;
      margin-bottom:26px;
    }
    .hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:34px}
    .trust-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
      max-width:710px;
    }
    .trust-item{
      padding:13px 15px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.82);
      font-size:14px;
      font-weight:750;
    }
    .hero-panel{
      position:relative;
      max-width:520px;
      margin-left:auto;
    }
    .mock-shell{
      border-radius:34px;
      padding:18px;
      background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 24px 80px rgba(0,0,0,.34);
      backdrop-filter:blur(18px);
    }
    .mock-screen{
      border-radius:26px;
      background:#0f1020;
      border:1px solid rgba(34,230,184,.16);
      overflow:hidden;
    }
    .mock-head{
      display:flex;justify-content:space-between;align-items:center;
      padding:16px 18px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .mock-dots{display:flex;gap:6px}
    .mock-dots i{width:9px;height:9px;border-radius:50%;display:block;background:rgba(255,255,255,.28)}
    .mock-dots i:nth-child(2){background:var(--pa-orange)}
    .mock-dots i:nth-child(3){background:var(--pa-cyan)}
    .mock-body{padding:18px}
    .entry-card{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(109,59,255,.24),rgba(34,230,184,.1));
      border:1px solid rgba(255,255,255,.12);
      margin-bottom:14px;
    }
    .entry-card strong{font-size:22px}
    .progress-line{
      height:10px;border-radius:999px;background:rgba(255,255,255,.1);
      overflow:hidden;margin-top:16px;
    }
    .progress-line span{display:block;height:100%;width:74%;border-radius:999px;background:var(--pa-gradient)}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini-box{
      min-height:118px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
      padding:14px;
    }
    .mini-box b{display:block;margin-bottom:8px}
    .mini-box p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.65}
    .floating-chip{
      position:absolute;
      left:-34px;bottom:52px;
      padding:12px 14px;
      border-radius:18px;
      background:#fff;
      color:var(--pa-text);
      box-shadow:0 18px 50px rgba(0,0,0,.25);
      font-weight:900;
      display:flex;align-items:center;gap:10px;
    }
    .floating-chip i{width:12px;height:12px;border-radius:50%;background:var(--pa-cyan);box-shadow:0 0 0 6px rgba(34,230,184,.16)}
    .card-pa{
      border:1px solid var(--pa-border);
      border-radius:var(--pa-radius);
      background:var(--pa-card);
      box-shadow:0 12px 30px rgba(44,28,100,.06);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
      overflow:hidden;
      height:100%;
    }
    .card-pa:hover{
      transform:translateY(-4px);
      border-color:rgba(34,230,184,.42);
      box-shadow:var(--pa-shadow-hover);
    }
    .card-pad{padding:28px}
    .icon-tile{
      width:56px;height:56px;border-radius:18px;
      display:grid;place-items:center;
      color:#fff;font-weight:950;
      background:var(--pa-gradient);
      box-shadow:0 12px 26px rgba(109,59,255,.22);
      margin-bottom:18px;
    }
    .benefit-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .benefit-feature{
      min-height:100%;
      background:
        linear-gradient(135deg,rgba(109,59,255,.12),rgba(34,230,184,.08)),
        #fff;
      padding:34px;
    }
    .benefit-feature .number{
      font-size:54px;
      line-height:1;
      font-weight:950;
      color:rgba(109,59,255,.18);
      margin-bottom:14px;
    }
    .benefit-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .demo-section{
      color:#fff;
      background:
        radial-gradient(circle at 15% 25%,rgba(109,59,255,.28),transparent 30%),
        radial-gradient(circle at 80% 75%,rgba(34,230,184,.18),transparent 28%),
        var(--pa-gradient-2);
      overflow:hidden;
    }
    .demo-section p{color:rgba(255,255,255,.72)}
    .demo-card{
      border-radius:32px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      padding:22px;
      box-shadow:0 24px 80px rgba(0,0,0,.24);
    }
    .nav-pills.pa-tabs{
      gap:10px;
      margin-bottom:20px;
    }
    .pa-tabs .nav-link{
      color:rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      font-weight:850;
      background:rgba(255,255,255,.06);
    }
    .pa-tabs .nav-link.active{
      color:#111320;
      background:var(--pa-cyan);
      border-color:var(--pa-cyan);
    }
    .demo-img{
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      aspect-ratio:16/10;
      background:#161626;
    }
    .demo-img img{
      width:100%;height:100%;object-fit:cover;
      transition:transform .28s ease;
    }
    .demo-card:hover .demo-img img{transform:scale(1.04)}
    .step-list{display:grid;gap:14px}
    .step-item{
      display:flex;gap:14px;align-items:flex-start;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.11);
    }
    .step-num{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      flex:0 0 auto;
      background:rgba(34,230,184,.16);
      color:var(--pa-cyan);
      font-weight:950;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1.25fr;
      gap:24px;
    }
    .metric-bar{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-bottom:24px;
    }
    .metric{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:0 12px 28px rgba(44,28,100,.06);
    }
    .metric strong{
      display:block;
      font-size:32px;
      line-height:1.05;
      color:var(--pa-primary);
      font-weight:950;
      margin-bottom:8px;
    }
    .scenario-list{display:grid;gap:12px}
    .scenario{
      display:flex;gap:13px;align-items:flex-start;
      padding:16px 18px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--pa-border);
    }
    .scenario i{
      width:12px;height:12px;border-radius:50%;
      flex:0 0 auto;margin-top:8px;
      background:var(--pa-cyan);
      box-shadow:0 0 0 6px rgba(34,230,184,.12);
    }
    .cover-card .cover{
      aspect-ratio:16/10;
      overflow:hidden;
      border-radius:20px;
      margin-bottom:20px;
      background:var(--pa-bg);
    }
    .cover-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
    .cover-card:hover .cover img{transform:scale(1.04)}
    .pricing-grid{
      display:grid;
      grid-template-columns:1fr 1.08fr 1fr;
      gap:22px;
      align-items:center;
    }
    .price-card{
      padding:30px;
      position:relative;
    }
    .price-card.featured{
      background:linear-gradient(180deg,#fff,rgba(247,246,255,.96));
      border-color:rgba(34,230,184,.42);
      box-shadow:0 26px 72px rgba(109,59,255,.18);
      transform:scale(1.04);
    }
    .price-name{font-weight:950;font-size:22px;margin-bottom:8px}
    .price-note{margin-bottom:22px}
    .check-list{list-style:none;padding:0;margin:22px 0;display:grid;gap:12px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:var(--pa-muted);
    }
    .check-list li::before{
      content:"";
      width:18px;height:18px;border-radius:50%;
      margin-top:4px;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--pa-primary),var(--pa-cyan));
      box-shadow:0 0 0 4px rgba(109,59,255,.08);
    }
    .category-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .category-card .cover{aspect-ratio:16/9}
    .accordion.pa-faq{display:grid;gap:14px}
    .pa-faq .accordion-item{
      border:1px solid var(--pa-border);
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 28px rgba(44,28,100,.05);
    }
    .pa-faq .accordion-button{
      border:0;
      background:#fff;
      color:var(--pa-text);
      font-weight:900;
      padding:20px 24px;
      box-shadow:none;
    }
    .pa-faq .accordion-button:not(.collapsed){
      color:var(--pa-primary);
      background:rgba(109,59,255,.06);
    }
    .pa-faq .accordion-button::after{
      width:22px;height:22px;
      border-radius:50%;
      background-image:none;
      background:var(--pa-gradient);
      content:"+";
      color:#fff;
      display:grid;place-items:center;
      line-height:22px;text-align:center;
      font-weight:900;
      transform:none;
    }
    .pa-faq .accordion-button:not(.collapsed)::after{
      content:"−";
      transform:rotate(180deg);
    }
    .pa-faq .accordion-body{
      padding:0 24px 22px;
      color:var(--pa-muted);
      line-height:1.85;
      background:rgba(109,59,255,.06);
    }
    .cta-band{
      border-radius:34px;
      padding:42px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 20%,rgba(34,230,184,.25),transparent 28%),
        linear-gradient(135deg,#21164a,#101018 66%);
      box-shadow:0 26px 80px rgba(16,16,24,.28);
      position:relative;
      overflow:hidden;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      right:-80px;top:-80px;
      width:260px;height:260px;border-radius:50%;
      border:1px solid rgba(34,230,184,.26);
    }
    .cta-band p{color:rgba(255,255,255,.75)}
    .floating-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:1020;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px 10px 16px;
      border-radius:999px;
      background:rgba(16,16,24,.88);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(14px);
      box-shadow:0 18px 48px rgba(0,0,0,.24);
    }
    .floating-cta small{color:rgba(255,255,255,.7);font-weight:750}
    .mobile-cta-bar{display:none}
    .site-footer{
      background:#0f0f18;
      color:#fff;
      padding:64px 0 26px;
      border-top:1px solid rgba(34,230,184,.18);
    }
    .footer-brand{display:flex;align-items:center;gap:10px;font-weight:950;font-size:22px;margin-bottom:14px}
    .footer-text{color:rgba(255,255,255,.62);max-width:360px}
    .footer-title{font-weight:900;margin-bottom:14px;color:#fff}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.64)}
    .footer-links a:hover{color:var(--pa-cyan);padding-left:3px}
    .copyright{
      margin-top:40px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.5);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @media (max-width: 991.98px){
      .site-header{top:10px}
      .site-nav{border-radius:26px}
      .navbar-collapse{display:none!important}
      .hero{padding-top:128px;min-height:auto}
      .hero-panel{margin:36px auto 0}
      .trust-strip{grid-template-columns:1fr 1fr}
      .benefit-layout,.proof-grid{grid-template-columns:1fr}
      .pricing-grid{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .section{padding:78px 0}
      .metric-bar{grid-template-columns:1fr}
      .floating-chip{left:14px;bottom:18px}
    }
    @media (max-width: 767.98px){
      body{padding-bottom:74px}
      .hero-actions .btn{width:100%;justify-content:center}
      .trust-strip,.benefit-grid,.mini-grid{grid-template-columns:1fr}
      .card-pad,.benefit-feature{padding:24px}
      .cta-band{padding:28px;border-radius:26px}
      .floating-cta{display:none}
      .mobile-cta-bar{
        display:flex;
        position:fixed;
        left:10px;right:10px;bottom:10px;
        z-index:1040;
        align-items:center;
        justify-content:space-between;
        gap:10px;
        padding:10px;
        border-radius:24px;
        background:rgba(16,16,24,.92);
        border:1px solid rgba(255,255,255,.14);
        backdrop-filter:blur(16px);
        box-shadow:0 16px 46px rgba(0,0,0,.28);
      }
      .mobile-cta-bar .btn{padding:11px 16px;flex:1}
      .mobile-cta-bar a:not(.btn){color:rgba(255,255,255,.76);font-weight:850;white-space:nowrap}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width: 520px){
      .site-nav{min-height:62px;padding:8px 10px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .brand-logo{font-size:18px}
      .hero{padding-top:112px}
      .hero-subtitle{font-size:16px}
      .section-title{margin-bottom:28px}
      .pa-badge{font-size:12px}
      .nav-status{display:none}
    }
    @media (prefers-reduced-motion: reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category3 */
:root{
      --pa-purple:#6D3BFF;
      --pa-purple-2:#7C4DFF;
      --pa-cyan:#22E6B8;
      --pa-cyan-2:#19D3C5;
      --pa-orange:#FFB020;
      --pa-deep:#101018;
      --pa-deep-2:#151524;
      --pa-bg:#F7F6FF;
      --pa-bg-2:#FAFAFD;
      --pa-text:#20202A;
      --pa-muted:#626272;
      --pa-soft:#8A8A99;
      --pa-border:rgba(109,59,255,.14);
      --pa-border-2:#E7E3FA;
      --pa-radius-lg:30px;
      --pa-radius-md:22px;
      --pa-radius-sm:16px;
      --pa-shadow:0 18px 50px rgba(44,28,100,.12);
      --pa-shadow-strong:0 26px 70px rgba(76,45,180,.18);
      --pa-gradient:linear-gradient(135deg,var(--pa-purple),var(--pa-cyan));
      --pa-gradient-soft:linear-gradient(135deg,rgba(109,59,255,.12),rgba(34,230,184,.12));
      --pa-transition:220ms ease;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--pa-text);
      background:
        radial-gradient(circle at 8% 4%,rgba(109,59,255,.10),transparent 34%),
        radial-gradient(circle at 92% 10%,rgba(34,230,184,.10),transparent 28%),
        var(--pa-bg-2);
      line-height:1.78;
      padding-bottom:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--pa-transition),background var(--pa-transition),border-color var(--pa-transition),transform var(--pa-transition)}
    a:hover{color:var(--pa-purple)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(109,59,255,.22)}
    .container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 0;
      background:rgba(16,16,24,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 34px rgba(0,0,0,.14);
    }
    .site-nav{
      min-height:62px;
      padding:0;
      color:#fff;
    }
    .brand-logo,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.2px;
      color:#fff;
      white-space:nowrap;
    }
    .brand-logo:hover{color:#fff;transform:translateY(-1px)}
    .brand-mark{
      width:44px;
      height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#fff;
      font-weight:900;
      font-size:15px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.02)),
        var(--pa-gradient);
      box-shadow:0 0 0 1px rgba(255,255,255,.12),0 12px 30px rgba(109,59,255,.35);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      border-radius:14px;
      width:46px;
      height:42px;
      box-shadow:none;
      background:rgba(255,255,255,.08);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(34,230,184,.20)}
    .navbar-nav{
      gap:4px;
      padding:8px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.06);
      border-radius:999px;
    }
    .site-nav .nav-link{
      color:rgba(255,255,255,.78);
      font-weight:700;
      font-size:14px;
      padding:8px 14px;
      border-radius:999px;
      line-height:1.2;
      position:relative;
    }
    .site-nav .nav-link:hover,
    .site-nav .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(109,59,255,.82),rgba(34,230,184,.28));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.10);
    }
    .nav-status{
      align-items:center;
      gap:10px;
    }
    .status-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 0 6px rgba(34,230,184,.13),0 0 18px rgba(34,230,184,.80);
      flex:0 0 auto;
    }
    .pa-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
      border:1px solid transparent;
    }
    .pa-badge.dark{background:rgba(34,230,184,.10);color:#CFFEF3;border-color:rgba(34,230,184,.18)}
    .pa-badge.light{background:rgba(109,59,255,.10);color:var(--pa-purple);border-color:rgba(109,59,255,.14)}
    .pa-badge.green{background:rgba(34,230,184,.13);color:#087968;border-color:rgba(34,230,184,.22)}
    .pa-badge.orange{background:rgba(255,176,32,.14);color:#9b6200;border-color:rgba(255,176,32,.22)}
    .btn{
      border-radius:999px;
      font-weight:800;
      padding:12px 20px;
      border:0;
      transition:transform var(--pa-transition),box-shadow var(--pa-transition),background var(--pa-transition),border-color var(--pa-transition),color var(--pa-transition);
    }
    .btn-pa{
      color:#fff!important;
      background:var(--pa-gradient);
      box-shadow:0 16px 34px rgba(109,59,255,.28);
    }
    .btn-pa:hover,.btn-pa:focus{
      transform:translateY(-2px);
      box-shadow:0 22px 46px rgba(34,230,184,.22),0 18px 42px rgba(109,59,255,.24);
      filter:saturate(1.08);
    }
    .btn-ghost{
      color:var(--pa-purple);
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:0 12px 28px rgba(44,28,100,.08);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:var(--pa-deep);
      border-color:rgba(34,230,184,.42);
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(44,28,100,.12);
    }
    .btn-darkline{
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-darkline:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-sm{padding:70px 0}
    .section-title{
      margin:0 0 14px;
      font-size:clamp(28px,4vw,44px);
      font-weight:900;
      line-height:1.18;
      letter-spacing:-.4px;
    }
    .section-lead{
      color:var(--pa-muted);
      font-size:17px;
      max-width:760px;
      margin:0;
    }
    .support-hero{
      padding:70px 0 62px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(105deg,rgba(247,246,255,.96) 0%,rgba(250,250,253,.90) 48%,rgba(16,16,24,.88) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border-bottom:1px solid var(--pa-border-2);
    }
    .support-hero::before{
      content:"";
      position:absolute;
      inset:auto -120px -150px auto;
      width:420px;
      height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(34,230,184,.32),transparent 64%);
      pointer-events:none;
    }
    .support-hero::after{
      content:"";
      position:absolute;
      left:-80px;
      top:34px;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(109,59,255,.14),transparent 68%);
      pointer-events:none;
    }
    .breadcrumb-pa{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      padding:8px 12px;
      border:1px solid rgba(109,59,255,.14);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      box-shadow:0 12px 30px rgba(44,28,100,.06);
      font-size:14px;
      font-weight:800;
      color:var(--pa-muted);
      margin-bottom:24px;
    }
    .breadcrumb-pa a{color:var(--pa-purple)}
    .breadcrumb-pa span:last-child{color:var(--pa-text)}
    .hero-title{
      margin:0;
      max-width:720px;
      font-weight:950;
      line-height:1.1;
      font-size:clamp(36px,6vw,62px);
      letter-spacing:-1px;
    }
    .hero-title .gradient{
      background:var(--pa-gradient);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-subtitle{
      max-width:680px;
      margin:22px 0 0;
      font-size:18px;
      color:var(--pa-muted);
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .hero-side-card{
      position:relative;
      border-radius:var(--pa-radius-lg);
      padding:24px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(255,255,255,.55);
      box-shadow:var(--pa-shadow-strong);
      overflow:hidden;
      isolation:isolate;
    }
    .hero-side-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(109,59,255,.10),rgba(34,230,184,.10),transparent);
      z-index:-1;
    }
    .support-img{
      border-radius:24px;
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      box-shadow:0 16px 38px rgba(16,16,24,.16);
    }
    .mini-status{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .mini-status .item{
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--pa-border);
    }
    .mini-status strong{
      display:block;
      font-size:22px;
      font-weight:950;
      color:var(--pa-purple);
      line-height:1.1;
    }
    .mini-status span{
      display:block;
      margin-top:5px;
      font-size:13px;
      color:var(--pa-muted);
      font-weight:700;
    }
    .intro-panel{
      background:#fff;
      border:1px solid var(--pa-border);
      border-radius:var(--pa-radius-lg);
      box-shadow:var(--pa-shadow);
      padding:30px;
      height:100%;
      position:relative;
      overflow:hidden;
    }
    .intro-panel::after{
      content:"";
      position:absolute;
      right:-40px;
      top:-40px;
      width:140px;
      height:140px;
      border-radius:50%;
      background:var(--pa-gradient-soft);
    }
    .intro-panel .icon{
      width:58px;
      height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:20px;
      color:#fff;
      font-weight:950;
      background:var(--pa-gradient);
      box-shadow:0 16px 30px rgba(109,59,255,.22);
      margin-bottom:18px;
    }
    .intro-panel h3{
      font-size:23px;
      font-weight:900;
      margin:0 0 10px;
    }
    .intro-panel p{color:var(--pa-muted);margin:0}
    .service-card{
      position:relative;
      height:100%;
      padding:26px;
      border-radius:var(--pa-radius-md);
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:0 14px 38px rgba(44,28,100,.08);
      transition:transform var(--pa-transition),box-shadow var(--pa-transition),border-color var(--pa-transition);
      overflow:hidden;
    }
    .service-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,230,184,.40);
      box-shadow:var(--pa-shadow);
    }
    .service-card.featured{
      min-height:100%;
      background:
        linear-gradient(135deg,rgba(16,16,24,.94),rgba(21,21,36,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .service-card.featured p,
    .service-card.featured li{color:rgba(255,255,255,.74)}
    .service-card h3{
      margin:14px 0 10px;
      font-weight:900;
      font-size:24px;
    }
    .service-card p{margin:0;color:var(--pa-muted)}
    .service-list{
      list-style:none;
      padding:0;
      margin:20px 0 0;
      display:grid;
      gap:12px;
    }
    .service-list li{
      display:flex;
      gap:10px;
      color:var(--pa-muted);
      align-items:flex-start;
    }
    .service-list li::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 0 5px rgba(34,230,184,.12);
      margin-top:10px;
      flex:0 0 auto;
    }
    .timeline-wrap{
      position:relative;
      border-radius:var(--pa-radius-lg);
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:var(--pa-shadow);
      padding:34px;
    }
    .timeline{
      position:relative;
      display:grid;
      gap:22px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:24px;
      top:12px;
      bottom:12px;
      width:2px;
      background:linear-gradient(var(--pa-purple),var(--pa-cyan));
      opacity:.35;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      align-items:start;
    }
    .timeline-num{
      position:relative;
      z-index:2;
      width:50px;
      height:50px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:950;
      color:#fff;
      background:var(--pa-gradient);
      box-shadow:0 14px 28px rgba(109,59,255,.22);
    }
    .timeline-body{
      padding:18px 20px;
      border:1px solid var(--pa-border-2);
      border-radius:20px;
      background:linear-gradient(135deg,#fff,rgba(247,246,255,.70));
      transition:transform var(--pa-transition),border-color var(--pa-transition);
    }
    .timeline-body:hover{
      transform:translateX(3px);
      border-color:rgba(34,230,184,.38);
    }
    .timeline-body h3{
      margin:0 0 6px;
      font-size:21px;
      font-weight:900;
    }
    .timeline-body p{margin:0;color:var(--pa-muted)}
    .contact-panel{
      border-radius:var(--pa-radius-lg);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(16,16,24,.96),rgba(21,21,36,.94)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--pa-shadow-strong);
      height:100%;
      position:relative;
      overflow:hidden;
    }
    .contact-panel::after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(34,230,184,.26),transparent 68%);
      right:-90px;
      bottom:-90px;
    }
    .contact-panel h2{font-size:clamp(28px,4vw,40px);font-weight:950;margin:14px 0}
    .contact-panel p{color:rgba(255,255,255,.75);margin:0;position:relative;z-index:1}
    .contact-tips{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .contact-tips .tip{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.82);
    }
    .contact-tips .tip b{color:#fff}
    .contact-form{
      background:#fff;
      border:1px solid var(--pa-border);
      border-radius:var(--pa-radius-lg);
      box-shadow:var(--pa-shadow);
      padding:34px;
    }
    .form-label{
      font-weight:850;
      color:var(--pa-text);
      margin-bottom:8px;
    }
    .form-control,.form-select{
      min-height:52px;
      border-radius:17px;
      border:1px solid var(--pa-border-2);
      background:#fff;
      color:var(--pa-text);
      padding:12px 16px;
      box-shadow:none!important;
      transition:border-color var(--pa-transition),box-shadow var(--pa-transition),background var(--pa-transition);
    }
    textarea.form-control{min-height:132px;resize:vertical}
    .form-control:focus,.form-select:focus{
      border-color:rgba(109,59,255,.58);
      box-shadow:0 0 0 .25rem rgba(34,230,184,.12)!important;
      background:#fff;
    }
    .form-hint{
      color:var(--pa-soft);
      font-size:13px;
      margin-top:10px;
    }
    .resource-card{
      height:100%;
      overflow:hidden;
      border-radius:var(--pa-radius-md);
      border:1px solid var(--pa-border);
      background:#fff;
      box-shadow:0 14px 38px rgba(44,28,100,.08);
      transition:transform var(--pa-transition),box-shadow var(--pa-transition),border-color var(--pa-transition);
    }
    .resource-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--pa-shadow);
      border-color:rgba(34,230,184,.42);
    }
    .resource-cover{
      overflow:hidden;
      aspect-ratio:16/10;
      background:var(--pa-gradient-soft);
    }
    .resource-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 280ms ease;
    }
    .resource-card:hover .resource-cover img{transform:scale(1.04)}
    .resource-body{padding:22px}
    .resource-body h3{font-size:22px;font-weight:900;margin:12px 0 8px}
    .resource-body p{
      color:var(--pa-muted);
      margin:0 0 16px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--pa-purple);
      font-weight:900;
    }
    .text-link:hover{gap:11px;color:#07917e}
    .faq-wrap{
      max-width:920px;
      margin:34px auto 0;
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--pa-border);
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 30px rgba(44,28,100,.06);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:900;
      color:var(--pa-text);
      background:#fff;
      box-shadow:none!important;
      border:0;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--pa-purple);
      background:linear-gradient(135deg,rgba(109,59,255,.08),rgba(34,230,184,.07));
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 .25rem rgba(109,59,255,.12)!important;
    }
    .accordion-button::after{
      width:24px;
      height:24px;
      border-radius:50%;
      background-image:none;
      background:rgba(109,59,255,.10);
      content:"+";
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--pa-purple);
      font-weight:950;
      transform:none;
      text-align:center;
      line-height:24px;
    }
    .accordion-button:not(.collapsed)::after{
      content:"−";
      background:var(--pa-gradient);
      color:#fff;
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--pa-muted);
      line-height:1.85;
      background:linear-gradient(135deg,rgba(109,59,255,.04),rgba(34,230,184,.04));
    }
    .cta-band{
      border-radius:34px;
      padding:38px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 10%,rgba(34,230,184,.26),transparent 28%),
        linear-gradient(135deg,#101018,#24165c 62%,#0e4e49);
      box-shadow:var(--pa-shadow-strong);
      overflow:hidden;
      position:relative;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      right:-50px;
      top:-50px;
      width:180px;
      height:180px;
      border-radius:50%;
      border:28px solid rgba(255,255,255,.07);
    }
    .cta-band h2{
      font-size:clamp(28px,4vw,42px);
      font-weight:950;
      margin:0 0 10px;
    }
    .cta-band p{color:rgba(255,255,255,.74);margin:0;max-width:690px}
    .site-footer{
      padding:64px 0 26px;
      background:#101018;
      color:#fff;
      border-top:1px solid rgba(34,230,184,.20);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--pa-purple),var(--pa-cyan),transparent);
    }
    .footer-brand{
      font-size:22px;
      margin-bottom:18px;
    }
    .footer-text{
      color:rgba(255,255,255,.66);
      max-width:420px;
      margin:0;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.62);
      font-weight:650;
    }
    .footer-links a:hover{
      color:var(--pa-cyan);
      transform:translateX(2px);
      display:inline-block;
    }
    .copyright{
      margin-top:46px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.52);
      font-size:14px;
    }
    .offcanvas{
      background:#101018;
      color:#fff;
    }
    .offcanvas-header{
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .offcanvas .btn-close{
      filter:invert(1);
      opacity:.8;
    }
    .mobile-nav{
      display:grid;
      gap:10px;
      padding:18px 0;
    }
    .mobile-nav a{
      padding:13px 14px;
      border-radius:16px;
      color:rgba(255,255,255,.78);
      font-weight:850;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .mobile-nav a.active,
    .mobile-nav a:hover{
      color:#fff;
      background:linear-gradient(135deg,rgba(109,59,255,.72),rgba(34,230,184,.18));
    }
    .floating-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:999;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 10px 10px 14px;
      border-radius:999px;
      background:rgba(16,16,24,.88);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 50px rgba(0,0,0,.22);
      backdrop-filter:blur(14px);
    }
    .floating-cta span{font-size:13px;font-weight:850;color:rgba(255,255,255,.76)}
    .mobile-cta-bar{display:none}
    @media (max-width:1199px){
      .site-nav .nav-link{padding:8px 10px}
      .navbar-nav{gap:2px}
    }
    @media (max-width:991px){
      .site-header{padding:10px 0}
      .support-hero{padding:56px 0}
      .section{padding:72px 0}
      .hero-side-card{margin-top:28px}
      .timeline-wrap,.contact-form,.contact-panel,.intro-panel{padding:26px}
      .floating-cta{display:none}
      body{padding-bottom:72px}
      .mobile-cta-bar{
        position:fixed;
        left:12px;
        right:12px;
        bottom:12px;
        z-index:1001;
        display:flex;
        align-items:center;
        gap:10px;
        padding:10px;
        border-radius:24px;
        background:rgba(16,16,24,.92);
        border:1px solid rgba(255,255,255,.12);
        box-shadow:0 18px 46px rgba(0,0,0,.24);
        backdrop-filter:blur(16px);
      }
      .mobile-cta-bar .btn{flex:1;padding:12px 14px}
      .mobile-cta-bar a:not(.btn){color:#fff;font-weight:850;padding:0 8px;white-space:nowrap}
    }
    @media (max-width:767px){
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .hero-title{letter-spacing:-.5px}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%;justify-content:center}
      .mini-status{grid-template-columns:1fr}
      .section{padding:60px 0}
      .section-sm{padding:54px 0}
      .cta-band{padding:28px;border-radius:26px}
      .timeline-wrap,.contact-form,.contact-panel,.intro-panel{padding:22px;border-radius:24px}
      .timeline::before{left:21px}
      .timeline-item{grid-template-columns:46px 1fr;gap:12px}
      .timeline-num{width:44px;height:44px;border-radius:15px}
      .timeline-body{padding:16px}
      .copyright{display:grid}
      .footer-links a:hover{transform:none}
    }
    @media (max-width:520px){
      .breadcrumb-pa{border-radius:18px;align-items:flex-start}
      .support-hero{padding:44px 0}
      .hero-subtitle{font-size:16px}
      .service-card,.resource-body{padding:20px}
      .contact-form .btn{width:100%}
      .mobile-cta-bar a:not(.btn){font-size:14px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
    }

/* roulang page: category2 */
:root{
      --pa-purple:#6D3BFF;
      --pa-purple-2:#7C4DFF;
      --pa-cyan:#22E6B8;
      --pa-cyan-2:#19D3C5;
      --pa-orange:#FFB020;
      --pa-dark:#101018;
      --pa-dark-2:#151524;
      --pa-ink:#20202A;
      --pa-text:#626272;
      --pa-muted:#8A8A99;
      --pa-bg:#F7F6FF;
      --pa-bg-2:#FAFAFD;
      --pa-line:#E7E3FA;
      --pa-line-soft:rgba(109,59,255,.14);
      --pa-radius:26px;
      --pa-radius-sm:18px;
      --pa-shadow:0 18px 50px rgba(44,28,100,.12);
      --pa-shadow-hover:0 24px 70px rgba(44,28,100,.18);
      --pa-gradient:linear-gradient(135deg,var(--pa-purple),var(--pa-cyan));
      --pa-gradient-warm:linear-gradient(135deg,var(--pa-purple),#9A69FF 52%,var(--pa-orange));
      --pa-max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--pa-ink);
      background:
        radial-gradient(circle at 12% 7%,rgba(109,59,255,.10),transparent 28%),
        radial-gradient(circle at 88% 18%,rgba(34,230,184,.12),transparent 26%),
        var(--pa-bg-2);
      line-height:1.78;
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease,border-color .22s ease}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(109,59,255,.18)}
    .container{max-width:var(--pa-max)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(16,16,24,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 30px rgba(16,16,24,.20);
    }
    .site-nav{
      min-height:76px;
      padding:10px 0;
    }
    .brand-logo,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.2px;
      color:#fff;
    }
    .brand-logo:hover{color:#fff;transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:14px;
      font-weight:900;
      color:#fff;
      background:var(--pa-gradient);
      box-shadow:0 0 0 5px rgba(109,59,255,.16),0 12px 28px rgba(34,230,184,.18);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:20px;
      height:80px;
      background:rgba(255,255,255,.25);
      transform:rotate(32deg);
      left:-26px;
      top:-18px;
      transition:left .35s ease;
    }
    .brand-logo:hover .brand-mark:after,.footer-brand:hover .brand-mark:after{left:46px}
    .navbar-nav{gap:4px}
    .site-nav .nav-link{
      color:rgba(255,255,255,.78);
      padding:9px 14px;
      border-radius:999px;
      font-weight:700;
      font-size:15px;
      position:relative;
    }
    .site-nav .nav-link:hover,.site-nav .nav-link:focus{
      color:#fff;
      background:rgba(255,255,255,.09);
      outline:none;
    }
    .site-nav .nav-link.active{
      color:#101018;
      background:linear-gradient(135deg,#fff,var(--pa-cyan));
      box-shadow:0 10px 26px rgba(34,230,184,.20);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      border-radius:14px;
      width:46px;
      height:42px;
      box-shadow:none!important;
      background:rgba(255,255,255,.08);
    }
    .nav-status{align-items:center;gap:12px}
    .status-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 0 6px rgba(34,230,184,.16),0 0 18px rgba(34,230,184,.8);
      animation:pulseDot 1.8s ease-in-out infinite;
    }
    @keyframes pulseDot{0%,100%{transform:scale(1)}50%{transform:scale(.82)}}
    .pa-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
    }
    .pa-badge.dark{color:var(--pa-cyan);background:rgba(34,230,184,.10);border:1px solid rgba(34,230,184,.20)}
    .pa-badge.light{color:var(--pa-purple);background:rgba(109,59,255,.10);border:1px solid rgba(109,59,255,.14)}
    .pa-badge.hot{color:#3c2500;background:rgba(255,176,32,.18);border:1px solid rgba(255,176,32,.34)}
    .btn{
      border:0;
      border-radius:999px;
      font-weight:800;
      padding:12px 22px;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
    }
    .btn-pa{
      color:#fff!important;
      background:var(--pa-gradient);
      box-shadow:0 14px 34px rgba(109,59,255,.24);
    }
    .btn-pa:hover,.btn-pa:focus{
      transform:translateY(-2px);
      box-shadow:0 20px 44px rgba(34,230,184,.24);
      color:#fff!important;
    }
    .btn-soft{
      color:var(--pa-purple)!important;
      background:#fff;
      border:1px solid var(--pa-line);
      box-shadow:0 12px 28px rgba(44,28,100,.08);
    }
    .btn-soft:hover,.btn-soft:focus{
      transform:translateY(-2px);
      color:var(--pa-purple)!important;
      border-color:rgba(34,230,184,.48);
      box-shadow:var(--pa-shadow);
    }
    .btn-darkline{
      color:#fff!important;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.18);
    }
    .btn-darkline:hover,.btn-darkline:focus{
      transform:translateY(-2px);
      background:rgba(255,255,255,.14);
      color:#fff!important;
    }
    .offcanvas{
      background:var(--pa-dark);
      color:#fff;
      border-left:1px solid rgba(255,255,255,.10);
    }
    .offcanvas .btn-close{filter:invert(1)}
    .mobile-menu-list{display:grid;gap:10px;margin-top:20px}
    .mobile-menu-list a{
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.86);
      font-weight:800;
    }
    .mobile-menu-list a.active,.mobile-menu-list a:hover{background:var(--pa-gradient);color:#fff}
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:74px 0 64px;
      background:
        linear-gradient(120deg,rgba(247,246,255,.96),rgba(250,250,253,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(109,59,255,.10);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-120px;
      top:-120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(34,230,184,.28),transparent 68%);
      pointer-events:none;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--pa-purple),var(--pa-cyan),transparent);
      opacity:.55;
    }
    .breadcrumb-pa{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:22px;
      color:var(--pa-text);
      font-weight:700;
      font-size:14px;
    }
    .breadcrumb-pa a{
      color:var(--pa-purple);
      background:rgba(109,59,255,.09);
      padding:6px 12px;
      border-radius:999px;
    }
    .breadcrumb-pa span:last-child{
      color:var(--pa-ink);
      background:#fff;
      padding:6px 12px;
      border:1px solid var(--pa-line);
      border-radius:999px;
    }
    .hero-title{
      font-size:clamp(36px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.8px;
      font-weight:900;
      margin:0 0 20px;
    }
    .gradient-text{
      background:var(--pa-gradient);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:670px;
      color:var(--pa-text);
      font-size:18px;
      margin:0 0 26px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
    .hero-visual{
      position:relative;
      background:rgba(16,16,24,.94);
      color:#fff;
      border-radius:32px;
      padding:22px;
      box-shadow:0 28px 80px rgba(16,16,24,.28);
      border:1px solid rgba(255,255,255,.10);
      transform:rotate(-1deg);
    }
    .hero-visual img{
      border-radius:24px;
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      opacity:.86;
    }
    .live-chip{
      position:absolute;
      left:18px;
      top:18px;
      z-index:2;
      display:flex;
      align-items:center;
      gap:8px;
      background:rgba(16,16,24,.78);
      border:1px solid rgba(34,230,184,.30);
      color:#fff;
      padding:9px 13px;
      border-radius:999px;
      font-weight:800;
      font-size:13px;
      backdrop-filter:blur(12px);
    }
    .mini-panel{
      position:absolute;
      right:-16px;
      bottom:26px;
      width:190px;
      padding:16px;
      border-radius:22px;
      background:#fff;
      color:var(--pa-ink);
      box-shadow:var(--pa-shadow-hover);
      border:1px solid var(--pa-line);
    }
    .mini-panel strong{display:block;font-size:15px;margin-bottom:8px}
    .mini-bar{
      height:8px;
      border-radius:999px;
      background:rgba(109,59,255,.12);
      overflow:hidden;
      margin-top:8px;
    }
    .mini-bar span{display:block;height:100%;width:74%;background:var(--pa-gradient);border-radius:999px}
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-title.center{text-align:center;margin-left:auto;margin-right:auto}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--pa-purple);
      font-weight:900;
      font-size:14px;
      background:rgba(109,59,255,.09);
      border:1px solid rgba(109,59,255,.12);
      padding:7px 13px;
      border-radius:999px;
      margin-bottom:14px;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--pa-cyan);
      box-shadow:0 0 12px rgba(34,230,184,.72);
    }
    h2{
      font-size:clamp(29px,3.7vw,44px);
      line-height:1.18;
      font-weight:900;
      margin:0 0 14px;
      letter-spacing:-.4px;
    }
    .section-desc{
      color:var(--pa-text);
      font-size:17px;
      margin:0;
    }
    .demo-stage{
      background:var(--pa-dark);
      border-radius:34px;
      padding:28px;
      color:#fff;
      box-shadow:0 26px 80px rgba(16,16,24,.26);
      border:1px solid rgba(255,255,255,.09);
      overflow:hidden;
      position:relative;
    }
    .demo-stage:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 20% 10%,rgba(109,59,255,.34),transparent 32%),
        radial-gradient(circle at 80% 20%,rgba(34,230,184,.20),transparent 30%);
      pointer-events:none;
    }
    .demo-stage > *{position:relative;z-index:1}
    .demo-tabs{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:20px;
    }
    .demo-tabs .nav-link{
      border-radius:999px;
      color:rgba(255,255,255,.78);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      font-weight:800;
      padding:10px 16px;
    }
    .demo-tabs .nav-link.active{
      color:#101018;
      background:linear-gradient(135deg,#fff,var(--pa-cyan));
      border-color:transparent;
    }
    .screen-frame{
      border-radius:28px;
      background:#0B0B12;
      border:1px solid rgba(255,255,255,.10);
      padding:14px;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:4px 8px 14px;
      color:rgba(255,255,255,.64);
      font-size:13px;
      font-weight:800;
    }
    .dots{display:flex;gap:6px}
    .dots span{width:9px;height:9px;border-radius:50%;display:block;background:rgba(255,255,255,.25)}
    .dots span:nth-child(1){background:#FF6B6B}
    .dots span:nth-child(2){background:#FFB020}
    .dots span:nth-child(3){background:#22E6B8}
    .screen-frame img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
      border-radius:20px;
      opacity:.92;
    }
    .demo-info-card{
      height:100%;
      padding:26px;
      border-radius:26px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .demo-info-card h3{
      font-size:26px;
      font-weight:900;
      margin-bottom:14px;
    }
    .demo-info-card p{color:rgba(255,255,255,.76);margin-bottom:18px}
    .check-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(255,255,255,.82);
    }
    .check-list li:before{
      content:"✓";
      width:24px;
      height:24px;
      border-radius:50%;
      flex:0 0 24px;
      display:inline-flex;
      justify-content:center;
      align-items:center;
      color:#101018;
      background:var(--pa-cyan);
      font-weight:900;
      font-size:13px;
      margin-top:2px;
    }
    .feature-card,.scenario-card,.flow-card,.adapt-card{
      background:#fff;
      border:1px solid var(--pa-line-soft);
      border-radius:var(--pa-radius);
      box-shadow:var(--pa-shadow);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
      overflow:hidden;
      height:100%;
    }
    .feature-card:hover,.scenario-card:hover,.flow-card:hover,.adapt-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--pa-shadow-hover);
      border-color:rgba(34,230,184,.42);
    }
    .feature-card{
      padding:28px;
    }
    .feature-icon{
      width:54px;
      height:54px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:var(--pa-gradient);
      box-shadow:0 14px 28px rgba(109,59,255,.18);
      margin-bottom:18px;
    }
    .feature-card h3,.scenario-card h3,.flow-card h3,.adapt-card h3{
      font-size:22px;
      font-weight:900;
      margin-bottom:10px;
    }
    .feature-card p,.scenario-card p,.flow-card p,.adapt-card p{
      color:var(--pa-text);
      margin-bottom:0;
    }
    .cover-wrap{
      position:relative;
      overflow:hidden;
      border-radius:var(--pa-radius) var(--pa-radius) 0 0;
      background:#eee;
    }
    .cover-wrap img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      transition:transform .28s ease;
    }
    .scenario-card:hover .cover-wrap img,.adapt-card:hover .cover-wrap img{transform:scale(1.04)}
    .cover-tag{
      position:absolute;
      left:16px;
      top:16px;
      z-index:2;
      background:rgba(16,16,24,.78);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      backdrop-filter:blur(12px);
    }
    .scenario-card .card-body,.adapt-card .card-body{
      padding:24px;
    }
    .highlight-band{
      background:
        linear-gradient(135deg,rgba(16,16,24,.96),rgba(21,21,36,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border-radius:34px;
      color:#fff;
      padding:34px;
      overflow:hidden;
      position:relative;
      box-shadow:0 26px 70px rgba(16,16,24,.24);
    }
    .highlight-band:after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      border-radius:50%;
      right:-80px;
      bottom:-100px;
      background:radial-gradient(circle,rgba(34,230,184,.28),transparent 65%);
    }
    .highlight-band p{color:rgba(255,255,255,.72);margin:0}
    .status-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:18px;
    }
    .status-item{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      padding:16px;
    }
    .status-item strong{
      display:block;
      color:var(--pa-cyan);
      font-size:24px;
      line-height:1;
      margin-bottom:8px;
    }
    .status-item span{color:rgba(255,255,255,.70);font-size:14px}
    .adapt-panel{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .desktop-mock,.phone-mock{
      background:#fff;
      border:1px solid var(--pa-line);
      box-shadow:var(--pa-shadow);
      border-radius:30px;
      padding:18px;
      overflow:hidden;
    }
    .desktop-mock img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
      border-radius:22px;
    }
    .phone-mock{
      max-width:330px;
      margin-left:auto;
      border-radius:36px;
      padding:14px;
      background:linear-gradient(180deg,#fff,#F3F0FF);
    }
    .phone-mock img{
      width:100%;
      aspect-ratio:9/16;
      object-fit:cover;
      border-radius:28px;
    }
    .mock-label{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:12px;
      color:var(--pa-text);
      font-weight:900;
      font-size:14px;
    }
    .mock-label em{
      font-style:normal;
      color:var(--pa-purple);
      background:rgba(109,59,255,.10);
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
    }
    .flow-card{
      padding:24px;
      position:relative;
    }
    .flow-num{
      width:38px;
      height:38px;
      border-radius:14px;
      background:var(--pa-gradient-warm);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      margin-bottom:16px;
    }
    .flow-line{
      position:absolute;
      top:42px;
      right:-28px;
      width:56px;
      height:2px;
      background:linear-gradient(90deg,var(--pa-purple),var(--pa-cyan));
      opacity:.42;
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid var(--pa-line-soft)!important;
      border-radius:22px!important;
      overflow:hidden;
      box-shadow:0 12px 34px rgba(44,28,100,.07);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:900;
      color:var(--pa-ink);
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--pa-purple);
      background:rgba(109,59,255,.06);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(34,230,184,.16)!important;
    }
    .accordion-button::after{
      background-image:none;
      content:"+";
      width:30px;
      height:30px;
      border-radius:50%;
      background:rgba(109,59,255,.10);
      color:var(--pa-purple);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      transform:none;
      line-height:30px;
      text-align:center;
    }
    .accordion-button:not(.collapsed)::after{
      content:"−";
      background:var(--pa-gradient);
      color:#fff;
    }
    .accordion-body{
      color:var(--pa-text);
      padding:0 22px 22px;
      line-height:1.85;
    }
    .cta-panel{
      border-radius:36px;
      padding:42px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%,rgba(34,230,184,.20),transparent 26%),
        linear-gradient(135deg,#101018,#221752 55%,#132B30);
      box-shadow:0 28px 86px rgba(16,16,24,.30);
      position:relative;
      overflow:hidden;
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
      transform:skewX(-18deg) translateX(-70%);
      animation:sheen 4.8s ease-in-out infinite;
    }
    @keyframes sheen{0%,55%{transform:skewX(-18deg) translateX(-80%)}100%{transform:skewX(-18deg) translateX(120%)}}
    .cta-panel > *{position:relative;z-index:1}
    .cta-panel h2{color:#fff}
    .cta-panel p{color:rgba(255,255,255,.74);margin-bottom:0}
    .site-footer{
      background:var(--pa-dark);
      color:#fff;
      padding:64px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--pa-purple),var(--pa-cyan),transparent);
    }
    .footer-brand{
      font-size:20px;
      margin-bottom:18px;
    }
    .footer-text{
      color:rgba(255,255,255,.66);
      max-width:420px;
      margin:0;
    }
    .footer-title{
      font-weight:900;
      margin-bottom:14px;
      color:#fff;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.66);
      font-weight:650;
    }
    .footer-links a:hover,.footer-links a:focus{
      color:var(--pa-cyan);
      transform:translateX(3px);
    }
    .copyright{
      border-top:1px solid rgba(255,255,255,.10);
      margin-top:42px;
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.54);
      font-size:14px;
    }
    .floating-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:999;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px 10px 16px;
      border-radius:999px;
      color:#fff;
      background:rgba(16,16,24,.86);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 44px rgba(16,16,24,.26);
    }
    .floating-cta:hover{color:#fff;transform:translateY(-2px)}
    .floating-cta .btn{padding:10px 16px}
    .floating-cta span{font-weight:900;font-size:14px}
    :focus-visible{
      outline:3px solid rgba(34,230,184,.55);
      outline-offset:3px;
      border-radius:12px;
    }
    @media (max-width: 991.98px){
      .site-nav{min-height:66px}
      .page-hero{padding:54px 0 48px}
      .hero-visual{margin-top:28px;transform:none}
      .mini-panel{right:10px;bottom:12px;width:168px}
      .section{padding:68px 0}
      .adapt-panel{grid-template-columns:1fr}
      .phone-mock{margin:0;max-width:100%}
      .flow-line{display:none}
      .status-grid{grid-template-columns:1fr}
      .floating-cta{
        left:14px;
        right:14px;
        bottom:14px;
        justify-content:space-between;
      }
      body{padding-bottom:74px}
    }
    @media (max-width: 767.98px){
      .hero-title{font-size:36px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%;justify-content:center;display:inline-flex}
      .demo-stage,.highlight-band,.cta-panel{border-radius:26px;padding:24px}
      .section-title{margin-bottom:24px}
      .desktop-mock,.phone-mock{border-radius:24px}
      .copyright{display:grid}
      .floating-cta span{display:none}
    }
    @media (max-width: 520px){
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-logo span:last-child{font-size:17px}
      .mini-panel{position:static;width:auto;margin-top:14px}
      .hero-visual{padding:16px;border-radius:26px}
      .screen-frame,.screen-frame img{border-radius:18px}
      .status-grid{gap:10px}
      .feature-card,.scenario-card .card-body,.adapt-card .card-body,.flow-card{padding:20px}
    }
    @media (prefers-reduced-motion: reduce){
      *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }

/* roulang page: category1 */
:root{
      --pa-purple:#6D3BFF;
      --pa-purple-2:#7C4DFF;
      --pa-cyan:#22E6B8;
      --pa-cyan-2:#19D3C5;
      --pa-orange:#FFB020;
      --pa-dark:#101018;
      --pa-dark-2:#151524;
      --pa-bg:#F7F6FF;
      --pa-bg-2:#FAFAFD;
      --pa-text:#20202A;
      --pa-muted:#626272;
      --pa-soft:#8A8A99;
      --pa-border:rgba(109,59,255,.14);
      --pa-border-strong:rgba(109,59,255,.28);
      --pa-radius-lg:30px;
      --pa-radius-md:22px;
      --pa-radius-sm:16px;
      --pa-shadow:0 18px 50px rgba(44,28,100,.12);
      --pa-shadow-strong:0 24px 70px rgba(44,28,100,.20);
      --pa-gradient:linear-gradient(135deg,var(--pa-purple),var(--pa-cyan));
      --pa-gradient-warm:linear-gradient(135deg,var(--pa-purple),#8f58ff 48%,var(--pa-orange));
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--pa-text);
      background:
        radial-gradient(circle at 8% 0%,rgba(109,59,255,.12),transparent 28%),
        radial-gradient(circle at 92% 6%,rgba(34,230,184,.12),transparent 30%),
        var(--pa-bg-2);
      line-height:1.78;
      padding-bottom:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .24s ease}
    a:hover{color:var(--pa-purple)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(109,59,255,.18)}
    :focus-visible{outline:3px solid rgba(34,230,184,.45);outline-offset:3px}

    .container{max-width:1200px}
    .section-space{padding:86px 0}
    .section-space-sm{padding:66px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(109,59,255,.09);
      color:var(--pa-purple);
      font-weight:800;
      font-size:14px;
      border:1px solid rgba(109,59,255,.12);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:99px;background:var(--pa-cyan);
      box-shadow:0 0 0 5px rgba(34,230,184,.14);
    }
    .section-title{
      margin:16px 0 12px;
      font-size:clamp(30px,4vw,46px);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:900;
    }
    .section-desc{
      margin:0;
      color:var(--pa-muted);
      font-size:17px;
      max-width:760px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1050;
      background:rgba(250,250,253,.84);
      border-bottom:1px solid rgba(109,59,255,.10);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 32px rgba(20,18,42,.06);
    }
    .site-nav{
      min-height:76px;
      padding:12px 0;
      gap:18px;
    }
    .brand-logo,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      color:var(--pa-text);
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .brand-logo:hover{color:var(--pa-text);transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      display:inline-grid;
      place-items:center;
      border-radius:14px;
      background:var(--pa-gradient);
      color:#fff;
      font-weight:950;
      font-size:15px;
      box-shadow:0 12px 34px rgba(109,59,255,.32), inset 0 0 18px rgba(255,255,255,.24);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:18px;
      height:60px;
      background:rgba(255,255,255,.22);
      transform:rotate(28deg);
      right:2px;
      top:-12px;
    }
    .navbar-nav{gap:6px}
    .nav-link{
      color:#3b3b48;
      font-weight:800;
      font-size:15px;
      padding:9px 13px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover{
      color:var(--pa-purple);
      background:rgba(109,59,255,.08);
    }
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,var(--pa-purple),#8358ff);
      box-shadow:0 10px 28px rgba(109,59,255,.24);
    }
    .navbar-toggler{
      border:1px solid rgba(109,59,255,.20);
      border-radius:14px;
      color:var(--pa-purple);
      font-size:22px;
      width:46px;height:42px;
      line-height:1;
      background:#fff;
      box-shadow:0 8px 22px rgba(44,28,100,.08);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(109,59,255,.18)}
    .nav-status{
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .status-dot{
      width:10px;height:10px;border-radius:99px;background:var(--pa-cyan);
      box-shadow:0 0 0 6px rgba(34,230,184,.14),0 0 18px rgba(34,230,184,.75);
    }
    .pa-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      line-height:1;
      font-weight:850;
      border:1px solid transparent;
    }
    .pa-badge.dark{
      color:var(--pa-cyan);
      background:#151524;
      border-color:rgba(34,230,184,.18);
    }
    .pa-badge.soft{
      color:var(--pa-purple);
      background:rgba(109,59,255,.10);
      border-color:rgba(109,59,255,.12);
    }
    .pa-badge.green{
      color:#067e68;
      background:rgba(34,230,184,.14);
      border-color:rgba(34,230,184,.24);
    }
    .pa-badge.orange{
      color:#9a5c00;
      background:rgba(255,176,32,.16);
      border-color:rgba(255,176,32,.28);
    }

    .btn{
      border-radius:999px;
      font-weight:850;
      padding:12px 20px;
      border:0;
      transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
    }
    .btn-pa{
      color:#fff!important;
      background:var(--pa-gradient);
      box-shadow:0 14px 34px rgba(109,59,255,.28);
    }
    .btn-pa:hover,.btn-pa:focus{
      transform:translateY(-2px);
      box-shadow:0 18px 46px rgba(109,59,255,.38);
      filter:saturate(1.08);
    }
    .btn-ghost{
      color:var(--pa-purple);
      background:#fff;
      border:1px solid rgba(109,59,255,.18);
      box-shadow:0 12px 32px rgba(44,28,100,.08);
    }
    .btn-ghost:hover{
      color:#fff;
      background:var(--pa-dark);
      transform:translateY(-2px);
      border-color:transparent;
    }
    .btn-text{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--pa-purple);
      font-weight:900;
    }
    .btn-text span{transition:transform .22s ease}
    .btn-text:hover span{transform:translateX(4px)}

    .offcanvas{
      background:#11111c;
      color:#fff;
      border-left:1px solid rgba(255,255,255,.08);
    }
    .offcanvas .btn-close{filter:invert(1)}
    .mobile-nav .nav-link{
      display:block;
      color:#e9e7ff;
      margin:6px 0;
      padding:12px 14px!important;
      background:rgba(255,255,255,.04);
    }
    .mobile-nav .nav-link.active{background:var(--pa-gradient)}
    .mobile-menu-cta{
      margin-top:22px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }

    .guide-hero{
      position:relative;
      padding:74px 0 58px;
      overflow:hidden;
      background:
        linear-gradient(120deg,rgba(247,246,255,.94),rgba(250,250,253,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(109,59,255,.10);
    }
    .guide-hero:before{
      content:"";
      position:absolute;
      width:410px;height:410px;border-radius:999px;
      right:-90px;top:-150px;
      background:radial-gradient(circle,rgba(109,59,255,.20),transparent 66%);
      pointer-events:none;
    }
    .guide-hero:after{
      content:"";
      position:absolute;
      width:300px;height:300px;border-radius:999px;
      left:-100px;bottom:-120px;
      background:radial-gradient(circle,rgba(34,230,184,.18),transparent 65%);
      pointer-events:none;
    }
    .guide-hero .container{position:relative;z-index:2}
    .breadcrumb-pa{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      color:var(--pa-muted);
      font-size:14px;
      font-weight:750;
    }
    .breadcrumb-pa a{
      color:var(--pa-purple);
      background:rgba(109,59,255,.08);
      border:1px solid rgba(109,59,255,.12);
      border-radius:999px;
      padding:7px 12px;
    }
    .breadcrumb-pa span.current{
      color:#3d3d48;
      background:#fff;
      border:1px solid rgba(109,59,255,.12);
      border-radius:999px;
      padding:7px 12px;
    }
    .hero-title{
      max-width:760px;
      margin:0;
      font-size:clamp(36px,6vw,62px);
      line-height:1.12;
      letter-spacing:-.035em;
      font-weight:950;
    }
    .gradient-text{
      background:linear-gradient(135deg,var(--pa-purple),var(--pa-cyan));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-subtitle{
      max-width:720px;
      margin:22px 0 0;
      color:#50505f;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-strip{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .strip-item{
      padding:16px 18px;
      border-radius:20px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(109,59,255,.13);
      box-shadow:0 12px 30px rgba(44,28,100,.08);
    }
    .strip-item strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:var(--pa-purple);
      font-weight:950;
    }
    .strip-item span{
      display:block;
      margin-top:7px;
      color:var(--pa-muted);
      font-size:14px;
      font-weight:700;
    }
    .hero-visual{
      position:relative;
      border-radius:var(--pa-radius-lg);
      padding:18px;
      background:#11111c;
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--pa-shadow-strong);
      overflow:hidden;
    }
    .hero-visual:before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 18% 22%,rgba(109,59,255,.42),transparent 30%),
                 radial-gradient(circle at 84% 10%,rgba(34,230,184,.28),transparent 32%);
      pointer-events:none;
    }
    .guide-screen{
      position:relative;
      z-index:2;
      border-radius:24px;
      overflow:hidden;
      background:#fff;
    }
    .guide-screen img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
    }
    .screen-bottom{
      padding:18px;
      display:grid;
      gap:12px;
      background:linear-gradient(180deg,#fff,#f7f6ff);
    }
    .screen-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(109,59,255,.12);
    }
    .screen-row b{font-size:15px}
    .screen-row small{color:var(--pa-muted);font-weight:700}
    .progress-pa{
      width:88px;
      height:8px;
      border-radius:99px;
      background:rgba(109,59,255,.10);
      overflow:hidden;
    }
    .progress-pa i{
      display:block;
      width:72%;
      height:100%;
      background:var(--pa-gradient);
      border-radius:99px;
    }

    .sticky-layout{
      display:grid;
      grid-template-columns:280px minmax(0,1fr);
      gap:34px;
      align-items:start;
    }
    .guide-index{
      position:sticky;
      top:100px;
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:var(--pa-shadow);
    }
    .guide-index .title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-weight:950;
      margin-bottom:14px;
    }
    .guide-index ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .guide-index a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 14px;
      border-radius:16px;
      color:#3c3c47;
      font-weight:800;
      background:rgba(109,59,255,.045);
      border:1px solid transparent;
    }
    .guide-index a:hover,.guide-index a.active{
      color:var(--pa-purple);
      background:rgba(109,59,255,.10);
      border-color:rgba(109,59,255,.18);
      transform:translateX(3px);
    }
    .guide-index a em{
      width:24px;height:24px;border-radius:8px;
      display:inline-grid;place-items:center;
      font-style:normal;
      font-size:12px;
      color:#fff;
      background:var(--pa-gradient);
      flex:0 0 auto;
    }

    .content-panel{
      padding:30px;
      border-radius:var(--pa-radius-lg);
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:var(--pa-shadow);
    }
    .lead-card{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:24px;
      align-items:center;
      padding:28px;
      border-radius:28px;
      background:linear-gradient(135deg,rgba(109,59,255,.08),rgba(34,230,184,.08));
      border:1px solid rgba(109,59,255,.13);
      overflow:hidden;
    }
    .lead-card h2,.panel-title{
      margin:0 0 12px;
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      font-weight:950;
    }
    .lead-card p,.content-panel p{color:var(--pa-muted);margin:0}
    .lead-media{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      min-height:240px;
      box-shadow:0 18px 42px rgba(44,28,100,.14);
    }
    .lead-media img{
      width:100%;
      height:100%;
      min-height:240px;
      object-fit:cover;
      transition:transform .3s ease;
    }
    .lead-media:hover img{transform:scale(1.04)}
    .floating-label{
      position:absolute;
      left:16px;
      bottom:16px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .card-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:24px;
    }
    .info-card{
      position:relative;
      min-height:100%;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--pa-border);
      box-shadow:0 12px 36px rgba(44,28,100,.08);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
      overflow:hidden;
    }
    .info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,230,184,.34);
      box-shadow:0 18px 48px rgba(44,28,100,.14);
    }
    .info-card.featured{
      grid-column:span 2;
      display:grid;
      grid-template-columns:1fr 220px;
      gap:20px;
      background:linear-gradient(135deg,#fff,rgba(109,59,255,.06));
    }
    .info-card .icon{
      width:52px;height:52px;border-radius:18px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:950;
      background:var(--pa-gradient);
      box-shadow:0 12px 28px rgba(109,59,255,.24);
      margin-bottom:16px;
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:22px;
      font-weight:950;
      line-height:1.28;
    }
    .info-card p{
      color:var(--pa-muted);
      margin:0 0 16px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .mini-cover{
      border-radius:20px;
      overflow:hidden;
      align-self:stretch;
    }
    .mini-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:180px;
      transition:transform .3s ease;
    }
    .info-card:hover .mini-cover img{transform:scale(1.04)}

    .steps-wrap{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step-card{
      padding:22px;
      border-radius:24px;
      background:var(--pa-dark);
      color:#fff;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 50px rgba(16,16,24,.14);
      position:relative;
      overflow:hidden;
    }
    .step-card:before{
      content:"";
      position:absolute;
      width:120px;height:120px;border-radius:99px;
      right:-48px;top:-50px;
      background:rgba(34,230,184,.16);
    }
    .step-num{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.10);
      color:var(--pa-cyan);
      font-weight:950;
      margin-bottom:16px;
      border:1px solid rgba(34,230,184,.20);
    }
    .step-card h3{
      margin:0 0 10px;
      font-size:20px;
      font-weight:950;
    }
    .step-card p{
      margin:0;
      color:#cfcfe4;
      font-size:15px;
    }

    .notice-band{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(16,16,24,.94),rgba(34,30,60,.94)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--pa-shadow-strong);
    }
    .notice-band:after{
      content:"";
      position:absolute;
      width:360px;height:360px;border-radius:999px;
      right:-120px;top:-180px;
      background:radial-gradient(circle,rgba(34,230,184,.26),transparent 65%);
    }
    .notice-band .row{position:relative;z-index:2}
    .notice-band h2{
      margin:0 0 12px;
      font-size:clamp(28px,4vw,42px);
      font-weight:950;
      line-height:1.18;
    }
    .notice-band p{color:#d6d6e6;margin:0}
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--pa-muted);
      font-weight:700;
    }
    .check-list li:before{
      content:"✓";
      flex:0 0 auto;
      width:24px;height:24px;border-radius:8px;
      display:grid;place-items:center;
      background:rgba(34,230,184,.14);
      color:#07846d;
      font-weight:950;
      margin-top:2px;
    }
    .notice-band .check-list li{color:#e9e8ff}
    .notice-band .check-list li:before{
      background:rgba(34,230,184,.20);
      color:var(--pa-cyan);
    }

    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--pa-border)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 30px rgba(44,28,100,.06);
    }
    .accordion-button{
      font-weight:950;
      color:var(--pa-text);
      background:#fff;
      padding:20px 22px;
      box-shadow:none!important;
      gap:10px;
    }
    .accordion-button:not(.collapsed){
      color:var(--pa-purple);
      background:rgba(109,59,255,.07);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 .25rem rgba(109,59,255,.12)!important;
    }
    .accordion-button::after{
      width:14px;height:14px;
      background-image:none;
      border-right:2px solid currentColor;
      border-bottom:2px solid currentColor;
      transform:rotate(45deg);
      transition:transform .24s ease;
    }
    .accordion-button:not(.collapsed)::after{transform:rotate(225deg)}
    .accordion-body{
      color:var(--pa-muted);
      padding:0 22px 22px;
      line-height:1.85;
    }

    .cta-card{
      border-radius:32px;
      padding:38px;
      background:linear-gradient(135deg,#ffffff,rgba(109,59,255,.08));
      border:1px solid rgba(109,59,255,.16);
      box-shadow:var(--pa-shadow);
    }
    .cta-card h2{
      margin:0 0 12px;
      font-size:clamp(28px,4vw,44px);
      font-weight:950;
      line-height:1.18;
    }
    .cta-card p{
      margin:0;
      color:var(--pa-muted);
      max-width:680px;
    }

    .floating-cta{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:1040;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 10px 10px 14px;
      border-radius:999px;
      background:rgba(16,16,24,.90);
      color:#fff;
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 18px 52px rgba(16,16,24,.24);
      backdrop-filter:blur(14px);
    }
    .floating-cta span{font-weight:850;font-size:14px}
    .floating-cta .btn{padding:10px 16px}
    .mobile-bottom-cta{display:none}

    .site-footer{
      margin-top:0;
      padding:64px 0 24px;
      background:#101018;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--pa-purple),var(--pa-cyan),transparent);
    }
    .footer-brand{
      color:#fff;
      font-size:20px;
      margin-bottom:18px;
    }
    .footer-text{
      color:#bfc0d2;
      max-width:430px;
      margin:0;
    }
    .footer-title{
      font-weight:950;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#bfc0d2;
      font-weight:700;
    }
    .footer-links a:hover{
      color:var(--pa-cyan);
      padding-left:4px;
    }
    .copyright{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#a7a8bc;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      font-size:14px;
    }

    @media (max-width:1199px){
      .nav-link{font-size:14px;padding:8px 10px!important}
      .nav-status .pa-badge{display:none}
      .sticky-layout{grid-template-columns:240px minmax(0,1fr)}
      .steps-wrap{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .section-space{padding:70px 0}
      .guide-hero{padding:58px 0 48px}
      .hero-strip{grid-template-columns:repeat(2,1fr)}
      .sticky-layout{display:block}
      .guide-index{
        position:relative;
        top:auto;
        margin-bottom:24px;
      }
      .guide-index ul{
        display:flex;
        overflow-x:auto;
        padding-bottom:4px;
        scrollbar-width:thin;
      }
      .guide-index a{white-space:nowrap}
      .lead-card{grid-template-columns:1fr}
      .card-grid{grid-template-columns:repeat(2,1fr)}
      .info-card.featured{grid-column:span 2;grid-template-columns:1fr}
      .mini-cover img{height:220px}
      .floating-cta{display:none}
      .mobile-bottom-cta{
        position:fixed;
        left:12px;
        right:12px;
        bottom:12px;
        z-index:1045;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:10px;
        padding:10px;
        border-radius:22px;
        background:rgba(16,16,24,.92);
        border:1px solid rgba(255,255,255,.10);
        box-shadow:0 18px 52px rgba(16,16,24,.28);
        backdrop-filter:blur(14px);
      }
      .mobile-bottom-cta a{flex:1;text-align:center}
      body{padding-bottom:78px}
    }
    @media (max-width:767px){
      .site-nav{min-height:68px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero-actions .btn{width:100%;justify-content:center}
      .hero-strip{grid-template-columns:1fr}
      .content-panel,.lead-card,.notice-band,.cta-card{padding:22px;border-radius:24px}
      .card-grid{grid-template-columns:1fr}
      .info-card.featured{grid-column:auto}
      .steps-wrap{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .section-space{padding:58px 0}
      .guide-hero{padding:46px 0 38px}
      .breadcrumb-pa{font-size:13px}
      .hero-title{font-size:36px}
      .hero-subtitle{font-size:16px}
      .strip-item{padding:14px}
      .screen-row{display:block}
      .progress-pa{margin-top:10px;width:100%}
      .mobile-bottom-cta .btn{padding:10px 12px;font-size:14px}
      .mobile-bottom-cta .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.18)}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
    }