/* roulang page: index */
:root{
      --pp-primary:#7C3AED;
      --pp-primary-2:#8B3DFF;
      --pp-accent:#FF8A00;
      --pp-accent-2:#FFB020;
      --pp-dark:#1B1725;
      --pp-deep:#241A36;
      --pp-text:#4B4458;
      --pp-muted:#8A8298;
      --pp-bg:#FFF9F1;
      --pp-bg-soft:#F5F0FF;
      --pp-bg-warm:#FFF3E1;
      --pp-card:#FFFFFF;
      --pp-border:rgba(124,58,237,.14);
      --pp-border-strong:rgba(124,58,237,.28);
      --pp-radius-sm:10px;
      --pp-radius:22px;
      --pp-radius-lg:34px;
      --pp-shadow:0 16px 40px rgba(45,26,78,.08);
      --pp-shadow-lg:0 28px 70px rgba(124,58,237,.18);
      --pp-font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      --pp-transition:all .26s ease;
    }

    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:var(--pp-font);
      color:var(--pp-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(255,138,0,.12), transparent 34%),
        radial-gradient(circle at 92% 2%, rgba(124,58,237,.10), transparent 32%),
        var(--pp-bg);
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--pp-transition);}
    a:hover{color:var(--pp-primary);}
    img{max-width:100%;display:block;}
    button,input{font-family:inherit;}
    ::selection{background:rgba(124,58,237,.18);color:var(--pp-dark);}
    :focus-visible{
      outline:3px solid rgba(124,58,237,.34);
      outline-offset:3px;
      border-radius:12px;
    }

    .container{
      max-width:1200px;
      padding-left:20px;
      padding-right:20px;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0;}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:rgba(124,58,237,.10);
      color:var(--pp-primary);
      font-weight:700;
      font-size:14px;
      margin-bottom:14px;
    }
    .section-kicker.orange{
      background:rgba(255,138,0,.13);
      color:#9a5200;
    }
    h1,h2,h3,h4{
      color:var(--pp-dark);
      margin:0;
      line-height:1.22;
      letter-spacing:-.02em;
    }
    h1{
      font-size:clamp(34px,5vw,58px);
      font-weight:850;
    }
    h2{
      font-size:clamp(28px,3.7vw,42px);
      font-weight:800;
      margin-bottom:14px;
    }
    h3{
      font-size:21px;
      font-weight:760;
    }
    p{margin:0;}
    .lead-text{
      font-size:18px;
      color:#5a5266;
      line-height:1.8;
    }
    .muted{color:var(--pp-muted);}
    .text-gradient{
      background:linear-gradient(110deg,var(--pp-primary),var(--pp-accent));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .topbar{
      background:var(--pp-deep);
      color:#EDE6FF;
      font-size:13px;
      min-height:38px;
      display:flex;
      align-items:center;
    }
    .topbar .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .topbar-left,.topbar-right{
      display:flex;
      align-items:center;
      gap:14px;
      white-space:nowrap;
    }
    .topbar-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#fff;
      opacity:.92;
    }
    .topbar-link{
      color:#EDE6FF;
      padding:3px 9px;
      border-radius:999px;
    }
    .topbar-link:hover{
      color:#fff;
      background:rgba(255,255,255,.12);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,249,241,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(124,58,237,.10);
      box-shadow:0 8px 28px rgba(45,26,78,.05);
    }
    .navbar{
      padding:14px 0;
      min-height:76px;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--pp-dark);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(145deg,var(--pp-primary),var(--pp-primary-2) 58%,var(--pp-accent));
      box-shadow:0 12px 26px rgba(124,58,237,.24);
      position:relative;
      overflow:hidden;
      font-weight:900;
      line-height:1;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:18px;
      height:18px;
      right:-3px;
      bottom:6px;
      border-radius:5px;
      border:3px solid rgba(255,255,255,.55);
      transform:rotate(45deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-main{font-size:18px;color:var(--pp-dark);}
    .brand-sub{font-size:12px;color:var(--pp-muted);font-weight:650;margin-top:4px;}

    .navbar-toggler{
      border:1px solid var(--pp-border);
      border-radius:14px;
      padding:9px 11px;
      background:#fff;
      box-shadow:0 8px 20px rgba(45,26,78,.06);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(124,58,237,.18);}
    .navbar-nav{
      gap:7px;
      align-items:center;
    }
    .nav-link{
      color:#4f465e;
      font-weight:720;
      border-radius:999px;
      padding:9px 15px !important;
      position:relative;
    }
    .nav-link:hover{
      color:var(--pp-primary);
      background:rgba(124,58,237,.08);
    }
    .nav-link.active{
      color:var(--pp-primary) !important;
      background:rgba(124,58,237,.12);
    }

    .btn{
      border:0;
      border-radius:999px;
      font-weight:780;
      padding:12px 20px;
      transition:var(--pp-transition);
      line-height:1.25;
    }
    .btn-primary-pp{
      color:#fff;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-primary-2) 48%,var(--pp-accent));
      box-shadow:0 14px 30px rgba(124,58,237,.24);
    }
    .btn-primary-pp:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(124,58,237,.30);
      filter:saturate(1.05);
    }
    .btn-primary-pp:active{transform:translateY(0) scale(.99);}
    .btn-outline-pp{
      background:#fff;
      color:var(--pp-primary);
      border:1px solid var(--pp-border-strong);
      box-shadow:0 12px 24px rgba(45,26,78,.06);
    }
    .btn-outline-pp:hover{
      background:#F5F0FF;
      color:var(--pp-primary);
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.38);
    }
    .btn-warm{
      color:#2f1d08;
      background:linear-gradient(135deg,#FFD18A,var(--pp-accent));
      box-shadow:0 14px 30px rgba(255,138,0,.20);
    }
    .btn-warm:hover{
      color:#2f1d08;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(255,138,0,.26);
    }

    .hero{
      padding:88px 0 70px;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(135deg,rgba(255,249,241,.94),rgba(245,240,255,.92)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 68% 20%, rgba(255,138,0,.22), transparent 30%),
        radial-gradient(circle at 88% 68%, rgba(124,58,237,.16), transparent 34%);
      pointer-events:none;
    }
    .hero .container{position:relative;z-index:1;}
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:0 12px 26px rgba(45,26,78,.07);
      color:var(--pp-primary);
      font-weight:780;
      margin-bottom:18px;
    }
    .hero-subtitle{
      margin-top:20px;
      max-width:620px;
      font-size:18px;
      color:#51495e;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .trust-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(124,58,237,.12);
      color:#51495e;
      font-weight:680;
      font-size:14px;
    }
    .hero-visual{
      position:relative;
      min-height:530px;
    }
    .phone-shell{
      position:absolute;
      right:34px;
      top:10px;
      width:min(360px,80vw);
      border-radius:36px;
      padding:14px;
      background:linear-gradient(145deg,#fff, #F6EFFF);
      border:1px solid rgba(124,58,237,.18);
      box-shadow:var(--pp-shadow-lg);
      transform:rotate(2deg);
    }
    .phone-screen{
      border-radius:28px;
      overflow:hidden;
      background:#1f1530;
      aspect-ratio:9/16;
      position:relative;
    }
    .phone-screen img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.92;
    }
    .phone-screen:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(27,23,37,.04),rgba(27,23,37,.38));
    }
    .download-float{
      position:absolute;
      left:18px;
      bottom:80px;
      width:280px;
      background:#fff;
      border-radius:24px;
      padding:18px;
      border:1px solid var(--pp-border);
      box-shadow:0 24px 58px rgba(45,26,78,.16);
    }
    .download-float strong{display:block;color:var(--pp-dark);font-size:18px;margin-bottom:7px;}
    .progress-pp{
      height:10px;
      border-radius:999px;
      background:#F0E7FF;
      overflow:hidden;
      margin:13px 0;
    }
    .progress-pp span{
      display:block;
      height:100%;
      width:78%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--pp-primary),var(--pp-accent));
    }
    .icon-grid{
      position:absolute;
      right:0;
      bottom:22px;
      width:215px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .app-icon{
      height:58px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(124,58,237,.14);
      box-shadow:0 14px 28px rgba(45,26,78,.08);
      font-size:23px;
    }

    .value-layout{
      display:grid;
      grid-template-columns:.85fr 1.35fr;
      gap:34px;
      align-items:start;
    }
    .side-note{
      background:linear-gradient(145deg,#fff,#FFF3E1);
      border:1px solid rgba(255,138,0,.20);
      border-radius:var(--pp-radius-lg);
      padding:30px;
      box-shadow:var(--pp-shadow);
      position:sticky;
      top:110px;
    }
    .mini-stat{
      display:flex;
      gap:12px;
      align-items:center;
      padding:14px 0;
      border-bottom:1px dashed rgba(124,58,237,.16);
    }
    .mini-stat:last-child{border-bottom:0;padding-bottom:0;}
    .mini-stat b{font-size:22px;color:var(--pp-primary);}
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .pp-card{
      background:var(--pp-card);
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius);
      box-shadow:var(--pp-shadow);
      padding:24px;
      transition:var(--pp-transition);
      position:relative;
      overflow:hidden;
    }
    .pp-card:hover{
      transform:translateY(-5px);
      border-color:rgba(124,58,237,.32);
      box-shadow:0 22px 48px rgba(45,26,78,.12);
    }
    .pp-card.wide{grid-column:span 2;}
    .card-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(124,58,237,.10);
      color:var(--pp-primary);
      font-size:24px;
      margin-bottom:15px;
    }
    .card-icon.orange{
      background:rgba(255,138,0,.14);
      color:#a25700;
    }
    .tag-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:15px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:5px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(124,58,237,.09);
      color:var(--pp-primary);
      font-weight:720;
      font-size:12px;
    }
    .tag.orange{
      background:rgba(255,138,0,.13);
      color:#955000;
    }

    .carousel-section{
      background:linear-gradient(180deg,rgba(245,240,255,.82),rgba(255,249,241,.96));
    }
    .screenshot-frame{
      border-radius:32px;
      padding:14px;
      background:linear-gradient(145deg,#fff,#F8F3FF);
      border:1px solid var(--pp-border);
      box-shadow:var(--pp-shadow-lg);
    }
    .window-bar{
      height:34px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
    }
    .dot{width:10px;height:10px;border-radius:50%;background:#FF6B6B;}
    .dot:nth-child(2){background:#FFB020;}
    .dot:nth-child(3){background:#39D98A;}
    .carousel-inner{
      border-radius:24px;
      overflow:hidden;
      background:#211831;
    }
    .carousel-item img{
      width:100%;
      height:420px;
      object-fit:cover;
      opacity:.95;
    }
    .carousel-control-prev,.carousel-control-next{
      width:46px;
      height:46px;
      top:50%;
      transform:translateY(-50%);
      border-radius:50%;
      background:rgba(27,23,37,.72);
      opacity:1;
      margin:0 12px;
    }
    .carousel-indicators{
      margin-bottom:12px;
    }
    .carousel-indicators [data-bs-target]{
      width:9px;
      height:9px;
      border-radius:999px;
      border:0;
      background:#fff;
      opacity:.55;
    }
    .carousel-indicators .active{
      width:28px;
      background:var(--pp-accent);
      opacity:1;
    }
    .feature-list{
      display:grid;
      gap:14px;
    }
    .feature-line{
      display:flex;
      gap:13px;
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:0 12px 28px rgba(45,26,78,.06);
    }
    .feature-line.active{
      border-color:rgba(255,138,0,.34);
      background:linear-gradient(135deg,#fff,#FFF3E1);
    }
    .feature-line .num{
      width:34px;
      height:34px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-accent));
      color:#fff;
      font-weight:850;
    }

    .requirements-wrap{
      background:linear-gradient(135deg,#fff,#FFF3E1 52%,#F5F0FF);
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius-lg);
      padding:28px;
      box-shadow:var(--pp-shadow);
    }
    .system-card{
      height:100%;
      border-radius:26px;
      padding:28px;
      background:#fff;
      border:1px solid var(--pp-border);
    }
    .param-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .param-item{
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:20px;
      padding:18px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      min-height:112px;
    }
    .param-item i{
      width:38px;
      height:38px;
      flex:0 0 auto;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(124,58,237,.10);
      color:var(--pp-primary);
      font-style:normal;
      font-size:20px;
    }
    .param-item span{
      color:var(--pp-muted);
      font-size:13px;
      display:block;
      margin-bottom:4px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#51495e;
    }
    .check-list li:before{
      content:"✓";
      width:22px;
      height:22px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--pp-primary);
      font-size:13px;
      margin-top:3px;
    }

    .reviews{
      background:var(--pp-bg-soft);
      overflow:hidden;
    }
    .review-wall{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
      align-items:start;
    }
    .review-card{
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:26px;
      padding:22px;
      box-shadow:var(--pp-shadow);
      transition:var(--pp-transition);
    }
    .review-card:nth-child(2){margin-top:34px;}
    .review-card:nth-child(4){margin-top:-14px;}
    .review-card:hover{transform:translateY(-4px);}
    .review-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:13px;
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-accent));
    }
    .stars{color:var(--pp-accent);letter-spacing:1px;font-size:14px;}

    .download-cta{
      padding:78px 0;
    }
    .download-panel{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:42px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(36,26,54,.96),rgba(124,58,237,.90)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow:0 28px 74px rgba(36,26,54,.24);
    }
    .download-panel:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      top:-80px;
      border-radius:50%;
      background:rgba(255,138,0,.25);
    }
    .download-panel > *{position:relative;z-index:1;}
    .download-panel h2{color:#fff;}
    .download-panel p{color:#EDE6FF;}
    .download-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .download-meta span{
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      font-weight:650;
      font-size:13px;
    }
    .cta-buttons{
      display:grid;
      gap:12px;
      justify-items:stretch;
    }

    .faq-section{
      background:linear-gradient(180deg,#FFF9F1,#fff);
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--pp-border);
      border-radius:22px !important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 28px rgba(45,26,78,.06);
    }
    .accordion-button{
      min-height:58px;
      padding:18px 22px;
      color:var(--pp-dark);
      font-weight:780;
      background:#fff;
      box-shadow:none !important;
      border:0;
      border-radius:22px !important;
    }
    .accordion-button:not(.collapsed){
      color:var(--pp-primary);
      background:#F8F3FF;
    }
    .accordion-button:focus{
      box-shadow:0 0 0 .2rem rgba(124,58,237,.16) !important;
    }
    .accordion-button::after{
      width:28px;
      height:28px;
      border-radius:50%;
      background-color:rgba(124,58,237,.10);
      background-size:16px;
      background-position:center;
      border:1px solid rgba(124,58,237,.14);
    }
    .accordion-body{
      color:#5a5266;
      padding:0 22px 20px;
      background:#fff;
    }

    .category-entry{
      background:#fff;
    }
    .entry-card{
      height:100%;
      border-radius:28px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:var(--pp-shadow);
      transition:var(--pp-transition);
    }
    .entry-card:hover{
      transform:translateY(-5px);
      box-shadow:0 22px 48px rgba(45,26,78,.12);
      border-color:rgba(124,58,237,.30);
    }
    .entry-img{
      height:188px;
      overflow:hidden;
      background:#F5F0FF;
    }
    .entry-img img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .entry-card:hover .entry-img img{transform:scale(1.04);}
    .entry-body{padding:24px;}

    .site-footer{
      background:var(--pp-deep);
      color:#D9D0EA;
      padding:62px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      inset:auto -120px -180px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(124,58,237,.22);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      color:#fff;
      font-weight:850;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
      font-size:16px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .footer-links a{
      color:#D9D0EA;
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-bottom{
      margin-top:40px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:13px;
      color:#BDB0D4;
    }

    .float-download{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:1020;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 16px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-accent));
      color:#fff;
      box-shadow:0 18px 40px rgba(124,58,237,.28);
      font-weight:800;
    }
    .float-download:hover{color:#fff;transform:translateY(-2px);}

    @media (max-width:991.98px){
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:24px;
        background:#fff;
        border:1px solid var(--pp-border);
        box-shadow:var(--pp-shadow);
      }
      .navbar-nav{
        align-items:stretch;
        gap:8px;
      }
      .nav-link{
        min-height:44px;
        display:flex;
        align-items:center;
      }
      .nav-cta{margin-top:8px;width:100%;}
      .value-layout{grid-template-columns:1fr;}
      .side-note{position:relative;top:auto;}
      .hero{padding:64px 0 52px;}
      .hero-visual{min-height:560px;margin-top:28px;}
      .phone-shell{left:50%;right:auto;transform:translateX(-50%) rotate(1deg);}
      .download-float{left:0;bottom:70px;}
      .icon-grid{right:16px;}
      .review-wall{grid-template-columns:1fr 1fr;}
      .review-card:nth-child(2),.review-card:nth-child(4){margin-top:0;}
      .carousel-item img{height:340px;}
    }
    @media (max-width:767.98px){
      .topbar .container{overflow-x:auto;justify-content:flex-start;}
      .topbar-right{display:none;}
      .section{padding:60px 0;}
      .section-tight{padding:44px 0;}
      .hero-actions .btn{width:100%;}
      .trust-row{gap:9px;}
      .feature-grid,.param-grid{grid-template-columns:1fr;}
      .pp-card.wide{grid-column:auto;}
      .requirements-wrap{padding:18px;border-radius:26px;}
      .review-wall{display:flex;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;}
      .review-card{min-width:280px;scroll-snap-align:start;}
      .download-panel{padding:28px;border-radius:28px;}
      .download-panel .btn{width:100%;}
      .footer-bottom{display:block;}
      .float-download{
        left:14px;
        right:14px;
        bottom:14px;
        justify-content:center;
      }
    }
    @media (max-width:575.98px){
      .container{padding-left:16px;padding-right:16px;}
      .brand-sub{display:none;}
      .hero-visual{min-height:500px;}
      .phone-shell{width:78vw;}
      .download-float{
        width:250px;
        bottom:54px;
        padding:15px;
      }
      .icon-grid{
        width:160px;
        gap:8px;
        bottom:10px;
      }
      .app-icon{height:46px;border-radius:14px;font-size:19px;}
      .carousel-item img{height:260px;}
      .entry-img{height:160px;}
    }

/* roulang page: category3 */
:root{
      --pp-primary:#7C3AED;
      --pp-primary-2:#8B3DFF;
      --pp-warm:#FF8A00;
      --pp-warm-2:#FFB020;
      --pp-ink:#1B1725;
      --pp-text:#4B4458;
      --pp-muted:#8A8298;
      --pp-bg:#FFF9F1;
      --pp-soft:#F5F0FF;
      --pp-soft-warm:#FFF3E1;
      --pp-card:#FFFFFF;
      --pp-border:rgba(124,58,237,.14);
      --pp-border-warm:rgba(255,138,0,.22);
      --pp-dark:#241A36;
      --pp-radius-sm:12px;
      --pp-radius:22px;
      --pp-radius-lg:34px;
      --pp-shadow:0 16px 40px rgba(45,26,78,.08);
      --pp-shadow-strong:0 28px 70px rgba(124,58,237,.18);
      --pp-container:1200px;
    }

    *{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;
      font-size:16px;
      line-height:1.75;
      color:var(--pp-text);
      background:
        radial-gradient(circle at 8% 2%, rgba(255,176,32,.18), transparent 28%),
        radial-gradient(circle at 92% 8%, rgba(124,58,237,.14), transparent 30%),
        var(--pp-bg);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--pp-primary)}
    img{max-width:100%;display:block}
    button,.btn{font-family:inherit}
    :focus-visible{
      outline:3px solid rgba(124,58,237,.32);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{max-width:var(--pp-container)}
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .section-title{
      color:var(--pp-ink);
      font-weight:800;
      letter-spacing:-.03em;
      line-height:1.22;
      margin-bottom:14px;
    }
    .section-lead{
      font-size:17px;
      color:var(--pp-text);
      max-width:760px;
      margin:0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(124,58,237,.09);
      color:var(--pp-primary);
      font-weight:750;
      font-size:14px;
      border:1px solid rgba(124,58,237,.12);
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
      background:rgba(124,58,237,.09);
      color:var(--pp-primary);
      border:1px solid rgba(124,58,237,.12);
      white-space:nowrap;
    }
    .badge-warm{
      background:rgba(255,138,0,.12);
      color:#9A5300;
      border-color:rgba(255,138,0,.2);
    }

    .top-strip{
      background:var(--pp-dark);
      color:rgba(255,255,255,.86);
      font-size:13px;
      min-height:38px;
      display:flex;
      align-items:center;
    }
    .top-strip .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .top-strip a{
      color:rgba(255,255,255,.88);
      padding:4px 9px;
      border-radius:999px;
    }
    .top-strip a:hover{
      color:#fff;
      background:rgba(255,255,255,.12);
    }
    .top-actions{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,249,241,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(124,58,237,.11);
      box-shadow:0 10px 28px rgba(45,26,78,.04);
    }
    .navbar{min-height:78px;padding:10px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.05em;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 14px 30px rgba(124,58,237,.24);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      right:7px;
      bottom:6px;
      width:12px;
      height:12px;
      border-right:3px solid #fff;
      border-bottom:3px solid #fff;
      transform:rotate(45deg);
      opacity:.85;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-main{font-size:18px;font-weight:850;color:var(--pp-ink)}
    .brand-sub{font-size:12px;color:var(--pp-muted);margin-top:2px}
    .navbar-nav{gap:6px}
    .nav-link{
      color:var(--pp-text);
      font-weight:700;
      border-radius:999px;
      padding:10px 16px!important;
      position:relative;
    }
    .nav-link:hover{
      color:var(--pp-primary);
      background:rgba(124,58,237,.08);
    }
    .nav-link.active{
      color:var(--pp-primary)!important;
      background:rgba(124,58,237,.12);
    }
    .navbar-toggler{
      border:1px solid rgba(124,58,237,.18);
      border-radius:14px;
      padding:9px 11px;
      background:#fff;
      box-shadow:0 8px 20px rgba(45,26,78,.06);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .22rem rgba(124,58,237,.18)}
    .navbar-toggler-icon{
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2827, 23, 37, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3e%3c/svg%3e");
    }
    .btn{
      border:none;
      border-radius:999px;
      padding:12px 22px;
      font-weight:800;
      line-height:1.25;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary-pp{
      color:#fff!important;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 16px 34px rgba(124,58,237,.24);
    }
    .btn-primary-pp:hover{
      background:linear-gradient(135deg,var(--pp-primary-2),#FF9A1F);
      box-shadow:0 20px 42px rgba(124,58,237,.32);
    }
    .btn-outline-pp{
      color:var(--pp-primary)!important;
      background:#fff;
      border:1px solid rgba(124,58,237,.18);
      box-shadow:0 12px 26px rgba(45,26,78,.06);
    }
    .btn-outline-pp:hover{
      background:var(--pp-soft);
      border-color:rgba(124,58,237,.36);
    }
    .btn-warm{
      color:#2b1900!important;
      background:linear-gradient(135deg,var(--pp-warm-2),var(--pp-warm));
      box-shadow:0 16px 34px rgba(255,138,0,.22);
    }
    .nav-cta{padding:11px 18px;font-size:14px}

    .guide-hero{
      position:relative;
      padding:74px 0 86px;
      overflow:hidden;
    }
    .guide-hero:before{
      content:"";
      position:absolute;
      inset:20px auto auto -90px;
      width:310px;
      height:310px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,138,0,.2), transparent 68%);
      pointer-events:none;
    }
    .guide-hero:after{
      content:"";
      position:absolute;
      right:-120px;
      top:76px;
      width:420px;
      height:420px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(124,58,237,.16), transparent 68%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:2}
    .breadcrumb-wrap{
      display:inline-flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(124,58,237,.13);
      box-shadow:0 10px 28px rgba(45,26,78,.05);
      margin-bottom:20px;
      color:var(--pp-muted);
      font-size:14px;
      font-weight:700;
    }
    .breadcrumb-wrap a{color:var(--pp-primary)}
    .breadcrumb-wrap .sep{color:rgba(124,58,237,.42)}
    .hero-title{
      color:var(--pp-ink);
      font-size:clamp(34px,5vw,56px);
      font-weight:900;
      letter-spacing:-.045em;
      line-height:1.16;
      margin:18px 0 18px;
    }
    .hero-desc{
      font-size:18px;
      max-width:650px;
      color:var(--pp-text);
      margin-bottom:28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
    .trust-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .guide-board{
      position:relative;
      z-index:2;
      border-radius:var(--pp-radius-lg);
      background:#fff;
      padding:22px;
      border:1px solid rgba(124,58,237,.13);
      box-shadow:var(--pp-shadow-strong);
    }
    .guide-board-img{
      position:relative;
      border-radius:28px;
      overflow:hidden;
      aspect-ratio:4/3;
      background:var(--pp-soft);
      border:1px solid rgba(124,58,237,.12);
    }
    .guide-board-img img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.04);
    }
    .guide-card-float{
      position:absolute;
      left:22px;
      right:22px;
      bottom:20px;
      border-radius:22px;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(12px);
      border:1px solid rgba(124,58,237,.15);
      padding:16px;
      box-shadow:0 16px 32px rgba(45,26,78,.12);
    }
    .guide-card-float h2{
      font-size:18px;
      margin:0 0 8px;
      color:var(--pp-ink);
      font-weight:850;
    }
    .mini-progress{
      height:8px;
      border-radius:999px;
      background:rgba(124,58,237,.1);
      overflow:hidden;
    }
    .mini-progress span{
      display:block;
      width:72%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--pp-primary),var(--pp-warm));
    }

    .toc-card{
      display:block;
      height:100%;
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius);
      padding:24px;
      box-shadow:var(--pp-shadow);
      position:relative;
      overflow:hidden;
    }
    .toc-card:before{
      content:"";
      position:absolute;
      right:-38px;
      top:-38px;
      width:110px;
      height:110px;
      border-radius:34px;
      transform:rotate(18deg);
      background:rgba(124,58,237,.08);
    }
    .toc-card:hover{
      transform:translateY(-5px);
      border-color:rgba(124,58,237,.35);
      box-shadow:0 22px 48px rgba(45,26,78,.12);
    }
    .toc-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      margin-bottom:16px;
    }
    .toc-card h2,.toc-card h3{
      font-size:21px;
      color:var(--pp-ink);
      font-weight:850;
      margin-bottom:8px;
    }
    .toc-card p{margin:0;color:var(--pp-muted);font-size:15px}

    .timeline-wrap{
      position:relative;
      padding-left:8px;
    }
    .step-item{
      display:grid;
      grid-template-columns:72px 1fr;
      gap:18px;
      position:relative;
      padding-bottom:28px;
    }
    .step-item:not(:last-child):before{
      content:"";
      position:absolute;
      left:35px;
      top:72px;
      bottom:0;
      width:2px;
      background:linear-gradient(180deg,rgba(124,58,237,.26),rgba(255,138,0,.18));
    }
    .step-num{
      width:70px;
      height:70px;
      border-radius:24px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:22px;
      font-weight:900;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 14px 30px rgba(124,58,237,.2);
      position:relative;
      z-index:1;
    }
    .step-panel{
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius);
      padding:24px;
      box-shadow:var(--pp-shadow);
    }
    .step-panel h3{
      color:var(--pp-ink);
      font-size:22px;
      font-weight:850;
      margin-bottom:8px;
    }
    .step-panel p{margin-bottom:14px}
    .tip-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,138,0,.1);
      color:#7a4300;
      font-size:14px;
      font-weight:650;
    }

    .visual-section{
      background:linear-gradient(135deg,rgba(245,240,255,.9),rgba(255,243,225,.78));
      border-top:1px solid rgba(124,58,237,.08);
      border-bottom:1px solid rgba(124,58,237,.08);
    }
    .media-frame{
      border-radius:var(--pp-radius-lg);
      padding:16px;
      background:#fff;
      box-shadow:var(--pp-shadow-strong);
      border:1px solid rgba(124,58,237,.13);
    }
    .media-frame img{
      border-radius:26px;
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      background:var(--pp-soft);
    }
    .check-card{
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius);
      padding:24px;
      box-shadow:var(--pp-shadow);
      height:100%;
    }
    .check-card h3{
      color:var(--pp-ink);
      font-size:21px;
      font-weight:850;
      margin-bottom:14px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 13px;
      border-radius:16px;
      background:rgba(124,58,237,.06);
      border:1px solid rgba(124,58,237,.08);
    }
    .check-list li:before{
      content:"✓";
      flex:0 0 auto;
      width:24px;
      height:24px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:13px;
      font-weight:900;
      background:var(--pp-primary);
      margin-top:2px;
    }

    .scenario-tabs{
      background:#fff;
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius-lg);
      padding:16px;
      box-shadow:var(--pp-shadow);
    }
    .nav-pills.pp-tabs{
      gap:10px;
      padding:8px;
      background:rgba(124,58,237,.06);
      border-radius:999px;
      display:inline-flex;
      flex-wrap:wrap;
      margin-bottom:22px;
    }
    .pp-tabs .nav-link{
      border-radius:999px;
      color:var(--pp-text);
      font-weight:800;
      padding:10px 16px!important;
      background:transparent;
    }
    .pp-tabs .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 12px 26px rgba(124,58,237,.18);
    }
    .scenario-panel{
      padding:10px 6px 4px;
    }
    .scenario-panel h3{
      color:var(--pp-ink);
      font-size:24px;
      font-weight:850;
      margin-bottom:10px;
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin-top:18px;
    }
    .scenario-mini{
      border:1px solid rgba(124,58,237,.11);
      border-radius:18px;
      padding:16px;
      background:linear-gradient(180deg,#fff,rgba(245,240,255,.5));
    }
    .scenario-mini strong{display:block;color:var(--pp-ink);margin-bottom:4px}
    .scenario-mini span{font-size:14px;color:var(--pp-muted)}

    .notice-box{
      border-radius:var(--pp-radius-lg);
      padding:30px;
      background:
        radial-gradient(circle at 90% 10%, rgba(255,138,0,.16), transparent 28%),
        #fff;
      border:1px solid var(--pp-border-warm);
      box-shadow:var(--pp-shadow);
    }
    .notice-box h2{
      color:var(--pp-ink);
      font-size:32px;
      font-weight:850;
      margin-bottom:12px;
    }
    .notice-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      list-style:none;
      padding:0;
      margin:22px 0 0;
    }
    .notice-list li{
      padding:15px 16px;
      border-radius:18px;
      background:rgba(255,138,0,.08);
      border:1px solid rgba(255,138,0,.14);
      color:#65400b;
      font-weight:650;
    }

    .accordion.pp-accordion{
      display:grid;
      gap:14px;
    }
    .pp-accordion .accordion-item{
      border:1px solid var(--pp-border);
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 28px rgba(45,26,78,.06);
    }
    .pp-accordion .accordion-button{
      color:var(--pp-ink);
      font-weight:850;
      font-size:17px;
      min-height:58px;
      padding:18px 22px;
      background:#fff;
      box-shadow:none;
    }
    .pp-accordion .accordion-button:not(.collapsed){
      color:var(--pp-primary);
      background:linear-gradient(180deg,rgba(245,240,255,.9),#fff);
      box-shadow:none;
    }
    .pp-accordion .accordion-button:focus{
      box-shadow:inset 0 0 0 3px rgba(124,58,237,.16);
      border-color:transparent;
    }
    .pp-accordion .accordion-button::after{
      border-radius:50%;
      background-color:rgba(124,58,237,.09);
      background-position:center;
      padding:12px;
    }
    .pp-accordion .accordion-body{
      padding:0 22px 20px;
      color:var(--pp-text);
    }

    .download-cta{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:42px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 18%, rgba(255,176,32,.36), transparent 30%),
        linear-gradient(135deg,#2b1b46,#6E34E8 58%,#F08218);
      box-shadow:0 28px 70px rgba(45,26,78,.22);
    }
    .download-cta:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:240px;
      height:240px;
      border:34px solid rgba(255,255,255,.11);
      border-radius:50%;
    }
    .download-cta h2{
      font-size:36px;
      line-height:1.2;
      font-weight:900;
      margin-bottom:12px;
    }
    .download-cta p{color:rgba(255,255,255,.84);margin-bottom:0}
    .download-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .download-meta span{
      border-radius:999px;
      padding:7px 12px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      font-size:13px;
      font-weight:700;
    }
    .download-actions{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      justify-content:flex-end;
      flex-wrap:wrap;
    }
    .download-actions .btn-outline-pp{
      background:rgba(255,255,255,.96);
    }

    .float-download{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:1020;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 16px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(124,58,237,.16);
      box-shadow:0 18px 42px rgba(45,26,78,.14);
      color:var(--pp-ink);
      font-weight:850;
    }
    .float-download span:first-child{
      width:34px;
      height:34px;
      border-radius:50%;
      color:#fff;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .float-download:hover{transform:translateY(-3px);color:var(--pp-primary)}

    .site-footer{
      background:var(--pp-dark);
      color:rgba(255,255,255,.78);
      padding:70px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      right:-100px;
      top:-100px;
      width:320px;
      height:320px;
      border-radius:50%;
      background:rgba(124,58,237,.22);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:22px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
      font-size:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      border-radius:10px;
      display:inline-block;
      padding:3px 0;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .site-footer .small{color:rgba(255,255,255,.68);line-height:1.8}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.12);
      margin-top:38px;
      padding-top:20px;
      color:rgba(255,255,255,.58);
      font-size:14px;
    }

    @media (max-width:991.98px){
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border-radius:22px;
        background:#fff;
        border:1px solid rgba(124,58,237,.13);
        box-shadow:var(--pp-shadow);
      }
      .navbar-nav{gap:4px}
      .nav-link{min-height:44px;display:flex;align-items:center}
      .nav-cta{width:100%;margin-top:8px}
      .guide-hero{padding:54px 0 68px}
      .guide-board{margin-top:24px}
      .section{padding:64px 0}
      .download-actions{justify-content:flex-start;margin-top:24px}
      .scenario-grid,.notice-list{grid-template-columns:1fr}
      .float-download{display:none}
    }
    @media (max-width:767.98px){
      .top-strip .container{overflow:auto;white-space:nowrap}
      .top-actions a:nth-child(2){display:none}
      .brand-sub{display:none}
      .navbar-brand{min-width:auto}
      .hero-actions .btn{width:100%}
      .trust-row{gap:8px}
      .guide-card-float{left:12px;right:12px;bottom:12px;padding:13px}
      .step-item{grid-template-columns:52px 1fr;gap:14px}
      .step-num{width:52px;height:52px;border-radius:18px;font-size:17px}
      .step-item:not(:last-child):before{left:25px;top:54px}
      .step-panel{padding:18px}
      .notice-box,.download-cta{padding:26px;border-radius:26px}
      .download-cta h2,.notice-box h2{font-size:28px}
      .nav-pills.pp-tabs{border-radius:20px}
      .pp-tabs .nav-link{width:100%;justify-content:center}
      .footer-bottom{display:grid}
      .mobile-download-bar{
        position:fixed;
        left:12px;
        right:12px;
        bottom:12px;
        z-index:1035;
        display:flex!important;
        gap:10px;
        padding:10px;
        border-radius:20px;
        background:rgba(255,255,255,.96);
        border:1px solid rgba(124,58,237,.16);
        box-shadow:0 18px 42px rgba(45,26,78,.18);
      }
      .mobile-download-bar .btn{flex:1;padding:11px 12px;font-size:14px}
      body{padding-bottom:72px}
    }
    @media (min-width:768px){
      .mobile-download-bar{display:none!important}
    }
    @media (max-width:575.98px){
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .hero-title{font-size:34px}
      .hero-desc{font-size:16px}
      .toc-card,.check-card{padding:20px}
      .media-frame{padding:10px;border-radius:24px}
      .media-frame img{border-radius:18px}
    }

/* roulang page: category1 */
:root{
      --pp-primary:#7C3AED;
      --pp-primary-2:#8B3DFF;
      --pp-warm:#FF8A00;
      --pp-warm-2:#FFB020;
      --pp-ink:#1B1725;
      --pp-text:#4B4458;
      --pp-muted:#8A8298;
      --pp-bg:#FFF9F1;
      --pp-bg-soft:#F5F0FF;
      --pp-bg-warm:#FFF3E1;
      --pp-card:#FFFFFF;
      --pp-border:rgba(124,58,237,.14);
      --pp-border-warm:rgba(255,138,0,.18);
      --pp-shadow:0 16px 40px rgba(45,26,78,.08);
      --pp-shadow-strong:0 28px 70px rgba(124,58,237,.18);
      --pp-radius-sm:10px;
      --pp-radius:20px;
      --pp-radius-lg:32px;
      --pp-container:1200px;
      --pp-transition:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      font-size:16px;
      line-height:1.75;
      color:var(--pp-text);
      background:
        radial-gradient(circle at 7% 6%, rgba(255,176,32,.18), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(124,58,237,.14), transparent 28%),
        var(--pp-bg);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--pp-transition)}
    a:hover{color:var(--pp-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,a,.btn{transition:var(--pp-transition)}
    button:focus-visible,a:focus-visible,.btn:focus-visible{
      outline:3px solid rgba(124,58,237,.28);
      outline-offset:3px;
      box-shadow:none!important;
    }
    .container{max-width:var(--pp-container)}
    .section-pad{padding:86px 0}
    .section-pad-sm{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:rgba(124,58,237,.09);
      color:var(--pp-primary);
      font-weight:700;
      font-size:14px;
      border:1px solid var(--pp-border);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border-radius:999px;
      background:#F5F0FF;
      color:var(--pp-primary);
      font-size:13px;
      font-weight:700;
      border:1px solid var(--pp-border);
      white-space:nowrap;
    }
    .tag.warm{
      background:#FFF3E1;
      color:#A55400;
      border-color:var(--pp-border-warm);
    }
    .section-title{
      margin:14px 0 16px;
      color:var(--pp-ink);
      font-size:clamp(28px,3.1vw,42px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      color:var(--pp-text);
      font-size:17px;
      max-width:760px;
    }
    .btn{
      border-radius:999px;
      padding:12px 22px;
      font-weight:800;
      border:0;
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
    }
    .btn-primary-pp{
      color:#fff!important;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-primary-2) 52%,#FF8A00);
      box-shadow:0 14px 28px rgba(124,58,237,.22);
      background-size:160% 160%;
    }
    .btn-primary-pp:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(124,58,237,.30);
      background-position:100% 50%;
    }
    .btn-primary-pp:active{transform:translateY(0) scale(.98)}
    .btn-outline-pp{
      color:var(--pp-primary)!important;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:0 10px 24px rgba(45,26,78,.05);
    }
    .btn-outline-pp:hover{
      background:#F5F0FF;
      border-color:rgba(124,58,237,.32);
      transform:translateY(-2px);
    }
    .btn-warm{
      background:linear-gradient(135deg,#FF8A00,#FFB020);
      color:#2B1700!important;
      box-shadow:0 14px 28px rgba(255,138,0,.22);
    }
    .btn-warm:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,138,0,.28)}
    .top-strip{
      background:#241A36;
      color:rgba(255,255,255,.82);
      font-size:13px;
      min-height:38px;
      display:flex;
      align-items:center;
    }
    .top-strip .strip-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      white-space:nowrap;
    }
    .top-strip a{
      color:#FFE5BD;
      padding:5px 10px;
      border-radius:999px;
    }
    .top-strip a:hover{background:rgba(255,255,255,.10);color:#fff}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,249,241,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(124,58,237,.10);
      box-shadow:0 10px 30px rgba(45,26,78,.04);
    }
    .navbar{
      min-height:78px;
      padding:0;
      background:transparent;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin:0;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.05em;
      background:linear-gradient(135deg,var(--pp-primary),#FF8A00);
      box-shadow:0 14px 28px rgba(124,58,237,.22);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"↓";
      position:absolute;
      right:-6px;
      bottom:-6px;
      width:20px;
      height:20px;
      border-radius:50%;
      background:#fff;
      color:var(--pp-warm);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      box-shadow:0 6px 16px rgba(45,26,78,.16);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-main{font-size:19px;font-weight:900;color:var(--pp-ink)}
    .brand-sub{font-size:12px;color:var(--pp-muted);margin-top:4px}
    .navbar-nav{gap:8px}
    .nav-link{
      color:var(--pp-text);
      font-weight:800;
      padding:10px 15px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover{background:rgba(124,58,237,.08);color:var(--pp-primary)}
    .nav-link.active{
      color:var(--pp-primary)!important;
      background:#F5F0FF;
      box-shadow:inset 0 0 0 1px var(--pp-border);
    }
    .nav-cta{padding-inline:20px}
    .navbar-toggler{
      border:1px solid var(--pp-border);
      border-radius:14px;
      padding:9px 11px;
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(124,58,237,.18)}
    .navbar-toggler-icon{
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2827, 23, 37, 0.82%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    .breadcrumb-wrap{padding:22px 0 0}
    .pp-breadcrumb{
      display:inline-flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--pp-border);
      box-shadow:0 10px 24px rgba(45,26,78,.05);
      color:var(--pp-muted);
      font-size:14px;
      margin:0;
      list-style:none;
    }
    .pp-breadcrumb li{display:flex;align-items:center;gap:8px}
    .pp-breadcrumb li:not(:last-child)::after{content:"›";color:rgba(124,58,237,.55);font-weight:900}
    .pp-breadcrumb a{color:var(--pp-primary);font-weight:800}
    .pp-breadcrumb .current{color:var(--pp-ink);font-weight:800}
    .download-hero{
      position:relative;
      padding:64px 0 84px;
      overflow:hidden;
    }
    .download-hero:before{
      content:"";
      position:absolute;
      inset:22px auto auto 58%;
      width:480px;
      height:480px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,138,0,.18),transparent 66%);
      pointer-events:none;
    }
    .hero-title{
      color:var(--pp-ink);
      font-size:clamp(34px,4.8vw,58px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
      margin:18px 0 20px;
    }
    .hero-lead{
      font-size:18px;
      color:var(--pp-text);
      max-width:650px;
      margin:0 0 28px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
      margin-bottom:22px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.76);
      border:1px solid rgba(124,58,237,.10);
      color:var(--pp-text);
      font-size:14px;
      font-weight:700;
    }
    .hero-visual{
      position:relative;
      border-radius:var(--pp-radius-lg);
      padding:18px;
      background:linear-gradient(145deg,rgba(255,255,255,.88),rgba(245,240,255,.92));
      box-shadow:var(--pp-shadow-strong);
      border:1px solid rgba(124,58,237,.15);
    }
    .hero-shot{
      position:relative;
      min-height:420px;
      border-radius:26px;
      overflow:hidden;
      background:#F5F0FF;
    }
    .hero-shot img{
      width:100%;
      height:420px;
      object-fit:cover;
      filter:saturate(1.06);
    }
    .hero-shot:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(27,23,37,.03),rgba(27,23,37,.42));
    }
    .version-float{
      position:absolute;
      left:-8px;
      bottom:34px;
      width:min(86%,350px);
      border-radius:24px;
      padding:18px;
      background:rgba(255,255,255,.94);
      border:1px solid rgba(124,58,237,.16);
      box-shadow:0 18px 44px rgba(45,26,78,.18);
      z-index:2;
    }
    .version-float .num{
      color:var(--pp-ink);
      font-weight:900;
      font-size:26px;
      line-height:1;
    }
    .version-float .mini{
      color:var(--pp-muted);
      font-size:13px;
    }
    .meter{
      height:9px;
      border-radius:999px;
      background:#EFE7FB;
      overflow:hidden;
      margin-top:14px;
    }
    .meter span{
      display:block;
      height:100%;
      width:78%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--pp-primary),var(--pp-warm));
    }
    .download-panel,.pp-card{
      background:var(--pp-card);
      border:1px solid var(--pp-border);
      border-radius:var(--pp-radius);
      box-shadow:var(--pp-shadow);
      transition:var(--pp-transition);
    }
    .pp-card:hover{
      transform:translateY(-5px);
      border-color:rgba(124,58,237,.30);
      box-shadow:0 22px 50px rgba(45,26,78,.11);
    }
    .download-panel{
      padding:26px;
    }
    .download-panel.sticky-lg{
      position:sticky;
      top:104px;
    }
    .panel-title{
      color:var(--pp-ink);
      font-size:24px;
      font-weight:900;
      margin:0 0 8px;
    }
    .version-list{
      display:grid;
      gap:14px;
      margin-top:20px;
    }
    .version-item{
      padding:18px;
      border-radius:18px;
      border:1px solid var(--pp-border);
      background:linear-gradient(135deg,#fff,#FFF9F1);
    }
    .version-item.recommend{
      border-color:rgba(255,138,0,.34);
      background:linear-gradient(135deg,#FFF3E1,#fff);
    }
    .version-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:10px;
    }
    .version-name{
      color:var(--pp-ink);
      font-weight:900;
      font-size:18px;
    }
    .version-meta{
      color:var(--pp-muted);
      font-size:14px;
      margin:0;
    }
    .side-note{
      padding:16px;
      border-radius:18px;
      background:#F5F0FF;
      border:1px solid var(--pp-border);
      font-size:14px;
      color:var(--pp-text);
    }
    .step-timeline{
      position:relative;
      display:grid;
      gap:18px;
      margin-top:34px;
    }
    .step-item{
      display:grid;
      grid-template-columns:62px 1fr;
      gap:18px;
      align-items:flex-start;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:0 12px 32px rgba(45,26,78,.06);
      position:relative;
    }
    .step-num{
      width:52px;
      height:52px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 12px 24px rgba(124,58,237,.18);
    }
    .step-item h3{
      margin:0 0 7px;
      color:var(--pp-ink);
      font-size:21px;
      font-weight:900;
    }
    .step-item p{margin:0;color:var(--pp-text)}
    .check-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
      margin-top:30px;
    }
    .check-card{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--pp-border);
      box-shadow:0 12px 30px rgba(45,26,78,.055);
    }
    .check-card .icon{
      width:44px;
      height:44px;
      border-radius:16px;
      background:#FFF3E1;
      color:#A55400;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:22px;
      margin-bottom:12px;
    }
    .check-card h3{
      color:var(--pp-ink);
      font-size:19px;
      font-weight:900;
      margin:0 0 6px;
    }
    .check-card p{margin:0;color:var(--pp-text);font-size:15px}
    .media-section{
      background:linear-gradient(135deg,#F5F0FF,#FFF3E1);
      border-top:1px solid rgba(124,58,237,.10);
      border-bottom:1px solid rgba(124,58,237,.10);
    }
    .image-card{
      position:relative;
      border-radius:var(--pp-radius-lg);
      overflow:hidden;
      border:1px solid rgba(124,58,237,.16);
      box-shadow:var(--pp-shadow-strong);
      min-height:380px;
      background:#fff;
    }
    .image-card img{
      width:100%;
      height:420px;
      object-fit:cover;
    }
    .image-card .caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.65);
    }
    .caption h3{
      color:var(--pp-ink);
      font-weight:900;
      margin:0 0 6px;
      font-size:20px;
    }
    .caption p{margin:0;color:var(--pp-text);font-size:14px}
    .mini-list{
      display:grid;
      gap:14px;
      margin:24px 0 0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(124,58,237,.12);
    }
    .mini-list .dot{
      width:24px;
      height:24px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }
    .requirements-wrap{
      background:#fff;
      border-radius:var(--pp-radius-lg);
      border:1px solid var(--pp-border);
      box-shadow:var(--pp-shadow);
      padding:30px;
    }
    .require-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:24px;
    }
    .require-item{
      padding:18px;
      border-radius:20px;
      background:#FFF9F1;
      border:1px solid rgba(255,138,0,.16);
    }
    .require-label{
      color:var(--pp-muted);
      font-size:13px;
      font-weight:800;
      margin-bottom:8px;
    }
    .require-value{
      color:var(--pp-ink);
      font-weight:900;
      font-size:17px;
      line-height:1.35;
    }
    .notice-box{
      margin-top:22px;
      padding:18px 20px;
      border-radius:22px;
      background:#F5F0FF;
      border:1px solid var(--pp-border);
      color:var(--pp-text);
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--pp-border)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(45,26,78,.05);
    }
    .accordion-button{
      min-height:60px;
      padding:18px 22px;
      color:var(--pp-ink);
      font-weight:900;
      font-size:17px;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--pp-primary);
      background:#F5F0FF;
    }
    .accordion-button:focus{box-shadow:none;border-color:transparent}
    .accordion-button::after{
      width:28px;
      height:28px;
      border-radius:50%;
      background-color:#FFF3E1;
      background-size:14px;
      background-position:center;
      border:1px solid var(--pp-border-warm);
    }
    .accordion-body{
      padding:18px 22px 22px;
      color:var(--pp-text);
      background:#fff;
    }
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:42px;
      background:
        linear-gradient(135deg,rgba(27,23,37,.96),rgba(55,34,88,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      color:#fff;
      box-shadow:var(--pp-shadow-strong);
    }
    .cta-band:before{
      content:"";
      position:absolute;
      right:-80px;
      top:-100px;
      width:280px;
      height:280px;
      border-radius:50%;
      background:rgba(255,138,0,.24);
      filter:blur(6px);
    }
    .cta-band h2{
      position:relative;
      margin:0 0 12px;
      font-size:clamp(26px,3vw,40px);
      font-weight:900;
      line-height:1.25;
    }
    .cta-band p{
      position:relative;
      margin:0;
      color:rgba(255,255,255,.78);
      max-width:720px;
    }
    .cta-actions{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .float-download{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:1020;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 16px;
      border-radius:999px;
      color:#fff!important;
      background:linear-gradient(135deg,var(--pp-primary),var(--pp-warm));
      box-shadow:0 18px 40px rgba(45,26,78,.22);
      font-weight:900;
    }
    .float-download:hover{
      transform:translateY(-3px);
      color:#fff!important;
      box-shadow:0 24px 48px rgba(45,26,78,.28);
    }
    .site-footer{
      position:relative;
      background:#241A36;
      color:rgba(255,255,255,.76);
      padding:72px 0 28px;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      border-radius:50%;
      background:rgba(124,58,237,.18);
      right:-180px;
      top:-170px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:22px;
      font-weight:900;
      margin-bottom:16px;
    }
    .site-footer p{color:rgba(255,255,255,.72);margin:0}
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:16px;
      font-size:17px;
    }
    .footer-links{
      padding:0;
      margin:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{color:rgba(255,255,255,.70)}
    .footer-links a:hover{color:#FFB020;padding-left:4px}
    .footer-bottom{
      margin-top:46px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,255,255,.58);
      font-size:14px;
    }
    @media (max-width:991.98px){
      .top-strip .strip-inner{overflow-x:auto;padding:0 2px}
      .navbar{min-height:70px;padding:10px 0}
      .navbar-collapse{
        margin-top:14px;
        padding:14px;
        border-radius:22px;
        background:#fff;
        border:1px solid var(--pp-border);
        box-shadow:var(--pp-shadow);
      }
      .navbar-nav{gap:6px}
      .nav-link{padding:12px 14px!important}
      .nav-cta{width:100%;margin-top:8px}
      .download-hero{padding:48px 0 64px}
      .hero-visual{margin-top:26px}
      .download-panel.sticky-lg{position:relative;top:auto;margin-top:24px}
      .require-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .section-pad{padding:66px 0}
    }
    @media (max-width:767.98px){
      .brand-sub{display:none}
      .brand-main{font-size:17px}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .trust-row{display:grid;grid-template-columns:1fr;gap:10px}
      .step-item{grid-template-columns:1fr;gap:12px}
      .check-grid,.require-grid{grid-template-columns:1fr}
      .image-card img,.hero-shot img{height:340px}
      .hero-shot{min-height:340px}
      .version-float{left:12px;right:12px;width:auto;bottom:16px}
      .cta-band{padding:30px 22px;border-radius:26px}
      .float-download{
        left:14px;
        right:14px;
        bottom:14px;
        justify-content:center;
      }
      .site-footer{padding-bottom:86px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:575.98px){
      .top-strip{font-size:12px}
      .top-strip .d-sm-inline{display:none!important}
      .section-pad{padding:54px 0}
      .download-hero{padding:38px 0 54px}
      .hero-title{font-size:34px}
      .hero-lead{font-size:16px}
      .download-panel,.requirements-wrap{padding:20px}
      .pp-breadcrumb{border-radius:18px}
    }

/* roulang page: category2 */
:root {
      --pp-primary: #7C3AED;
      --pp-primary-2: #8B3DFF;
      --pp-warm: #FF8A00;
      --pp-warm-2: #FFB020;
      --pp-ink: #1B1725;
      --pp-text: #4B4458;
      --pp-muted: #8A8298;
      --pp-bg: #FFF9F1;
      --pp-bg-soft: #F5F0FF;
      --pp-bg-warm: #FFF3E1;
      --pp-card: #FFFFFF;
      --pp-border: rgba(124, 58, 237, .14);
      --pp-border-warm: rgba(255, 138, 0, .22);
      --pp-radius-sm: 12px;
      --pp-radius: 22px;
      --pp-radius-lg: 34px;
      --pp-shadow: 0 16px 40px rgba(45, 26, 78, .08);
      --pp-shadow-strong: 0 28px 70px rgba(124, 58, 237, .18);
      --pp-gradient: linear-gradient(135deg, #7C3AED 0%, #8B3DFF 48%, #FF8A00 100%);
      --pp-gradient-soft: radial-gradient(circle at 16% 18%, rgba(255,138,0,.22), transparent 30%), radial-gradient(circle at 86% 10%, rgba(124,58,237,.22), transparent 32%), linear-gradient(135deg, #FFF9F1 0%, #F7F0FF 58%, #FFF3E1 100%);
      --pp-footer: #241A36;
      --pp-transition: .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--pp-text);
      background: var(--pp-bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--pp-transition), background var(--pp-transition), transform var(--pp-transition);
    }

    a:hover {
      color: var(--pp-primary);
    }

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

    button,
    .btn {
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
    }

    .section {
      padding: 86px 0;
      position: relative;
    }

    .section-tight {
      padding: 62px 0;
    }

    .section-title {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      color: var(--pp-primary);
      background: rgba(124, 58, 237, .10);
      border: 1px solid rgba(124, 58, 237, .12);
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 14px;
    }

    h1,
    h2,
    h3,
    h4 {
      color: var(--pp-ink);
      line-height: 1.22;
      letter-spacing: -.02em;
    }

    h1 {
      font-size: clamp(2.1rem, 5vw, 3.65rem);
      font-weight: 850;
      margin-bottom: 20px;
    }

    h2 {
      font-size: clamp(1.7rem, 3.4vw, 2.55rem);
      font-weight: 800;
      margin-bottom: 14px;
    }

    h3 {
      font-size: 1.25rem;
      font-weight: 760;
      margin-bottom: 10px;
    }

    p {
      margin-bottom: 0;
    }

    .lead-text {
      font-size: 1.08rem;
      color: #5B5269;
      max-width: 720px;
    }

    .topbar {
      min-height: 38px;
      background: #241A36;
      color: rgba(255,255,255,.82);
      font-size: 13px;
      display: flex;
      align-items: center;
    }

    .topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    .topbar-links {
      display: flex;
      gap: 14px;
      align-items: center;
      white-space: nowrap;
    }

    .topbar a {
      color: rgba(255,255,255,.86);
      padding: 2px 8px;
      border-radius: 999px;
    }

    .topbar a:hover {
      color: #fff;
      background: rgba(255,255,255,.10);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1020;
      background: rgba(255, 249, 241, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(124, 58, 237, .10);
      box-shadow: 0 10px 28px rgba(45, 26, 78, .05);
    }

    .navbar {
      min-height: 78px;
      padding: 10px 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--pp-ink);
      margin-right: 22px;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      letter-spacing: -.04em;
      background: var(--pp-gradient);
      box-shadow: 0 12px 28px rgba(124, 58, 237, .25);
      flex: 0 0 auto;
      position: relative;
    }

    .brand-mark::after {
      content: "↓";
      position: absolute;
      right: -6px;
      bottom: -7px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--pp-warm);
      color: #fff;
      font-size: 12px;
      line-height: 20px;
      text-align: center;
      border: 2px solid #fff;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-main {
      font-size: 18px;
      font-weight: 850;
      color: var(--pp-ink);
    }

    .brand-sub {
      font-size: 12px;
      color: var(--pp-muted);
      margin-top: 3px;
    }

    .navbar-nav {
      gap: 6px;
    }

    .navbar .nav-link {
      color: #4D435C;
      font-weight: 700;
      padding: 10px 15px;
      border-radius: 999px;
      position: relative;
    }

    .navbar .nav-link:hover {
      color: var(--pp-primary);
      background: rgba(124, 58, 237, .08);
    }

    .navbar .nav-link.active {
      color: var(--pp-primary);
      background: #F0E7FF;
      box-shadow: inset 0 0 0 1px rgba(124, 58, 237, .12);
    }

    .navbar-toggler {
      border: 1px solid var(--pp-border);
      border-radius: 14px;
      padding: 9px 10px;
      background: #fff;
      box-shadow: 0 8px 22px rgba(45, 26, 78, .06);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 .22rem rgba(124, 58, 237, .18);
    }

    .btn {
      border: 0;
      border-radius: 999px;
      padding: 12px 21px;
      font-weight: 800;
      line-height: 1.25;
      transition: transform var(--pp-transition), box-shadow var(--pp-transition), background var(--pp-transition), border-color var(--pp-transition);
    }

    .btn:focus-visible,
    a:focus-visible,
    .accordion-button:focus-visible {
      outline: 3px solid rgba(124, 58, 237, .32);
      outline-offset: 3px;
      box-shadow: none;
    }

    .btn-primary-pp {
      color: #fff;
      background: var(--pp-gradient);
      box-shadow: 0 14px 30px rgba(124, 58, 237, .22);
    }

    .btn-primary-pp:hover,
    .btn-primary-pp:active {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(124, 58, 237, .30);
      background: linear-gradient(135deg, #6D28D9 0%, #8B3DFF 42%, #FF970D 100%);
    }

    .btn-soft {
      color: var(--pp-primary);
      background: #fff;
      border: 1px solid var(--pp-border);
      box-shadow: 0 12px 28px rgba(45, 26, 78, .06);
    }

    .btn-soft:hover {
      color: var(--pp-primary);
      background: #F5F0FF;
      transform: translateY(-2px);
      border-color: rgba(124, 58, 237, .28);
    }

    .btn-warm {
      color: #2A172B;
      background: linear-gradient(135deg, #FFB020, #FF8A00);
      box-shadow: 0 14px 32px rgba(255, 138, 0, .22);
    }

    .btn-warm:hover {
      color: #2A172B;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(255, 138, 0, .28);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 750;
      color: var(--pp-primary);
      background: rgba(124, 58, 237, .10);
      border: 1px solid rgba(124, 58, 237, .12);
    }

    .tag-warm {
      color: #8A4A00;
      background: rgba(255, 138, 0, .14);
      border-color: rgba(255, 138, 0, .18);
    }

    .breadcrumb-pp {
      display: inline-flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(124, 58, 237, .12);
      box-shadow: 0 10px 28px rgba(45, 26, 78, .05);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 22px;
    }

    .breadcrumb-pp a {
      color: var(--pp-primary);
    }

    .breadcrumb-pp .sep {
      color: var(--pp-muted);
    }

    .breadcrumb-pp .current {
      color: var(--pp-text);
    }

    .hero {
      padding: 78px 0 82px;
      background: var(--pp-gradient-soft);
      overflow: hidden;
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(124,58,237,.14) 1px, transparent 1px);
      background-size: 24px 24px;
      opacity: .38;
      pointer-events: none;
    }

    .hero .container {
      position: relative;
      z-index: 1;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 30px;
    }

    .hero-proof {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .visual-board {
      position: relative;
      border-radius: var(--pp-radius-lg);
      padding: 18px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(255,255,255,.78);
      box-shadow: var(--pp-shadow-strong);
      overflow: hidden;
    }

    .visual-board::after {
      content: "";
      position: absolute;
      width: 210px;
      height: 210px;
      right: -76px;
      top: -72px;
      border-radius: 50%;
      background: rgba(255, 138, 0, .18);
      pointer-events: none;
    }

    .hero-img {
      height: 430px;
      border-radius: 26px;
      overflow: hidden;
      position: relative;
      border: 1px solid rgba(124, 58, 237, .12);
      background: #F6F0FF;
    }

    .hero-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .icon-grid {
      position: absolute;
      left: 34px;
      bottom: 34px;
      display: grid;
      grid-template-columns: repeat(3, 54px);
      gap: 10px;
      z-index: 2;
    }

    .app-icon {
      width: 54px;
      height: 54px;
      border-radius: 17px;
      display: grid;
      place-items: center;
      font-size: 24px;
      color: #fff;
      background: var(--pp-gradient);
      box-shadow: 0 10px 25px rgba(45, 26, 78, .14);
      border: 1px solid rgba(255,255,255,.72);
    }

    .download-chip {
      position: absolute;
      right: 30px;
      bottom: 28px;
      z-index: 2;
      width: min(270px, calc(100% - 48px));
      padding: 15px 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(124, 58, 237, .12);
      box-shadow: 0 18px 42px rgba(45, 26, 78, .13);
    }

    .progress-line {
      height: 8px;
      border-radius: 999px;
      background: #EFE6FF;
      overflow: hidden;
      margin-top: 9px;
    }

    .progress-line span {
      display: block;
      width: 78%;
      height: 100%;
      border-radius: inherit;
      background: var(--pp-gradient);
    }

    .card {
      border: 1px solid var(--pp-border);
      border-radius: var(--pp-radius);
      box-shadow: var(--pp-shadow);
      background: var(--pp-card);
      transition: transform var(--pp-transition), box-shadow var(--pp-transition), border-color var(--pp-transition);
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 22px 52px rgba(45, 26, 78, .12);
      border-color: rgba(124, 58, 237, .28);
    }

    .feature-master {
      min-height: 100%;
      padding: 32px;
      border-radius: 30px;
      background: linear-gradient(145deg, #FFFFFF, #F7F1FF);
      position: relative;
      overflow: hidden;
    }

    .feature-master::after {
      content: "PP";
      position: absolute;
      right: 24px;
      bottom: -18px;
      font-size: 108px;
      font-weight: 900;
      color: rgba(124, 58, 237, .08);
      line-height: 1;
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 25px;
      background: var(--pp-gradient);
      box-shadow: 0 12px 28px rgba(124, 58, 237, .20);
      margin-bottom: 18px;
    }

    .mini-feature {
      padding: 24px;
      min-height: 100%;
    }

    .mini-feature .feature-icon {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      font-size: 21px;
      margin-bottom: 15px;
    }

    .metric-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 24px;
    }

    .metric {
      padding: 15px;
      border-radius: 18px;
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(124, 58, 237, .10);
    }

    .metric strong {
      display: block;
      color: var(--pp-ink);
      font-size: 22px;
      line-height: 1.1;
    }

    .metric span {
      display: block;
      color: var(--pp-muted);
      font-size: 13px;
      margin-top: 4px;
    }

    .alt-section {
      background: linear-gradient(180deg, #F5F0FF 0%, #FFF9F1 100%);
    }

    .scenario-card {
      display: grid;
      grid-template-columns: 178px 1fr;
      gap: 22px;
      align-items: center;
      padding: 18px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--pp-border);
      box-shadow: var(--pp-shadow);
      height: 100%;
    }

    .scenario-img {
      border-radius: 22px;
      overflow: hidden;
      height: 150px;
      background: #F1E8FF;
      border: 1px solid rgba(124, 58, 237, .12);
    }

    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scenario-list {
      list-style: none;
      margin: 16px 0 0;
      padding: 0;
      display: grid;
      gap: 9px;
    }

    .scenario-list li {
      display: flex;
      gap: 9px;
      color: #5B5269;
      font-size: 15px;
    }

    .scenario-list li::before {
      content: "✓";
      width: 20px;
      height: 20px;
      border-radius: 50%;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      background: rgba(255, 138, 0, .16);
      color: #A65A00;
      font-weight: 900;
      font-size: 12px;
      margin-top: 3px;
    }

    .screenshot-card {
      padding: 14px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--pp-border);
      box-shadow: var(--pp-shadow);
      height: 100%;
    }

    .screen-img {
      aspect-ratio: 16 / 10;
      border-radius: 22px;
      overflow: hidden;
      background: #F3ECFF;
      position: relative;
    }

    .screen-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .screen-caption {
      padding: 16px 8px 6px;
    }

    .screen-caption p {
      font-size: 15px;
      color: #675D74;
    }

    .compare-wrap {
      background: #fff;
      border: 1px solid var(--pp-border);
      border-radius: var(--pp-radius-lg);
      box-shadow: var(--pp-shadow);
      padding: 28px;
    }

    .compare-column {
      border-radius: 26px;
      padding: 24px;
      height: 100%;
      border: 1px solid var(--pp-border);
    }

    .compare-before {
      background: #F8F6FB;
    }

    .compare-after {
      background: linear-gradient(145deg, #F5F0FF, #FFF3E1);
      border-color: rgba(255, 138, 0, .20);
    }

    .compare-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .compare-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      color: #5B5269;
    }

    .dot {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      font-size: 13px;
      font-weight: 900;
      background: rgba(124, 58, 237, .12);
      color: var(--pp-primary);
    }

    .dot-warm {
      background: rgba(255, 138, 0, .18);
      color: #A65A00;
    }

    .requirements-panel {
      border-radius: var(--pp-radius-lg);
      background: #241A36;
      color: rgba(255,255,255,.82);
      padding: 34px;
      overflow: hidden;
      position: relative;
    }

    .requirements-panel::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 210px;
      height: 210px;
      border-radius: 50%;
      background: rgba(255, 138, 0, .18);
    }

    .requirements-panel h2,
    .requirements-panel h3 {
      color: #fff;
    }

    .req-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 26px;
      position: relative;
      z-index: 1;
    }

    .req-item {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.10);
    }

    .req-item span {
      display: block;
      color: rgba(255,255,255,.62);
      font-size: 13px;
      margin-bottom: 6px;
    }

    .req-item strong {
      display: block;
      color: #fff;
      font-size: 17px;
    }

    .cta-card {
      border-radius: 36px;
      padding: 42px;
      background: var(--pp-gradient-soft);
      border: 1px solid rgba(124, 58, 237, .12);
      box-shadow: var(--pp-shadow-strong);
      overflow: hidden;
      position: relative;
    }

    .cta-card::before {
      content: "";
      position: absolute;
      right: -60px;
      bottom: -70px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(124, 58, 237, .16);
    }

    .download-box {
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(124, 58, 237, .12);
      border-radius: 28px;
      padding: 24px;
      box-shadow: 0 18px 42px rgba(45, 26, 78, .10);
      position: relative;
      z-index: 1;
    }

    .download-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 0;
      border-bottom: 1px dashed rgba(124, 58, 237, .16);
    }

    .download-row:last-child {
      border-bottom: 0;
    }

    .accordion {
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      border: 1px solid var(--pp-border);
      border-radius: 20px !important;
      overflow: hidden;
      box-shadow: 0 12px 28px rgba(45, 26, 78, .05);
      background: #fff;
    }

    .accordion-button {
      min-height: 58px;
      padding: 18px 22px;
      font-weight: 800;
      color: var(--pp-ink);
      background: #fff;
      box-shadow: none;
      border: 0;
    }

    .accordion-button:not(.collapsed) {
      color: var(--pp-primary);
      background: #F8F3FF;
      box-shadow: inset 0 -1px 0 rgba(124, 58, 237, .10);
    }

    .accordion-button:focus {
      box-shadow: none;
      border-color: transparent;
    }

    .accordion-button::after {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background-color: rgba(124, 58, 237, .10);
      background-position: center;
      background-size: 14px;
      padding: 6px;
    }

    .accordion-body {
      padding: 20px 22px 24px;
      color: #5F566D;
      background: #fff;
    }

    .site-footer {
      background: var(--pp-footer);
      color: rgba(255,255,255,.76);
      padding: 66px 0 26px;
      position: relative;
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: auto -80px -160px auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(124, 58, 237, .22);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 20px;
      font-weight: 850;
      margin-bottom: 18px;
    }

    .footer-title {
      color: #fff;
      font-weight: 850;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,.72);
      font-size: 15px;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.58);
      font-size: 14px;
    }

    .float-download {
      position: fixed;
      right: 20px;
      bottom: 22px;
      z-index: 1010;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 12px 17px;
      border-radius: 999px;
      color: #fff;
      background: var(--pp-gradient);
      box-shadow: 0 18px 42px rgba(124, 58, 237, .26);
      font-weight: 850;
    }

    .float-download:hover {
      color: #fff;
      transform: translateY(-2px);
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        margin-top: 12px;
        padding: 16px;
        border-radius: 24px;
        background: #fff;
        border: 1px solid var(--pp-border);
        box-shadow: var(--pp-shadow);
      }

      .navbar .nav-link {
        padding: 12px 14px;
        min-height: 46px;
      }

      .nav-cta {
        width: 100%;
        margin-top: 8px;
      }

      .hero {
        padding: 58px 0 66px;
      }

      .hero-img {
        height: 360px;
      }

      .scenario-card {
        grid-template-columns: 1fr;
      }

      .scenario-img {
        height: 220px;
      }

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

      .section {
        padding: 66px 0;
      }
    }

    @media (max-width: 767.98px) {
      .topbar .container {
        justify-content: flex-start;
        overflow-x: auto;
        white-space: nowrap;
      }

      .topbar-links {
        display: none;
      }

      .brand-sub {
        display: none;
      }

      .hero-actions .btn,
      .cta-card .btn {
        width: 100%;
      }

      .hero-proof {
        gap: 8px;
      }

      .metric-strip {
        grid-template-columns: 1fr;
      }

      .icon-grid {
        grid-template-columns: repeat(3, 44px);
        left: 24px;
        bottom: 24px;
      }

      .app-icon {
        width: 44px;
        height: 44px;
        border-radius: 14px;
        font-size: 19px;
      }

      .download-chip {
        position: relative;
        right: auto;
        bottom: auto;
        width: 100%;
        margin-top: 14px;
      }

      .visual-board {
        padding: 12px;
      }

      .hero-img {
        height: 300px;
      }

      .compare-wrap,
      .requirements-panel,
      .cta-card {
        padding: 22px;
        border-radius: 28px;
      }

      .float-download {
        left: 14px;
        right: 14px;
        bottom: 14px;
        justify-content: center;
      }

      .site-footer {
        padding-bottom: 82px;
      }
    }

    @media (max-width: 575.98px) {
      h1 {
        font-size: 2.05rem;
      }

      .section {
        padding: 54px 0;
      }

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

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

      .breadcrumb-pp {
        border-radius: 18px;
      }

      .hero-img {
        height: 250px;
      }

      .screen-img {
        aspect-ratio: 4 / 3;
      }
    }