/* roulang page: index */
:root{
      --primary:#2F6FE4;
      --primary-dark:#1E56C5;
      --primary-soft:#E8F1FF;
      --secondary:#36B6C8;
      --secondary-soft:#E9FAFC;
      --warm:#FFF4E2;
      --warm-deep:#F6A94A;
      --bg:#F6F9FE;
      --bg-2:#EEF5FF;
      --white:#FFFFFF;
      --title:#102033;
      --text:#4E5F73;
      --muted:#7A8AA0;
      --border:rgba(47,111,228,.14);
      --border-strong:rgba(47,111,228,.24);
      --shadow:0 16px 40px rgba(31,80,150,.08);
      --shadow-hover:0 22px 54px rgba(31,80,150,.13);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --container:1200px;
      --nav-height:72px;
      --focus:0 0 0 .25rem rgba(47,111,228,.18);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(54,182,200,.12), transparent 28%),
        radial-gradient(circle at 90% 12%, rgba(47,111,228,.12), transparent 30%),
        linear-gradient(180deg,#fff 0%,var(--bg) 46%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(47,111,228,.18);color:var(--title)}
    .container{max-width:var(--container)}
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-sm{padding:68px 0}
    .section-title{
      max-width:760px;
      margin:0 auto 42px;
      text-align:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.82);
      color:var(--primary);
      font-weight:700;
      font-size:13px;
      line-height:1.3;
      box-shadow:0 8px 22px rgba(47,111,228,.06);
    }
    .eyebrow .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 0 5px rgba(54,182,200,.13);
    }
    h1,h2,h3,h4,h5,h6{
      color:var(--title);
      font-weight:800;
      letter-spacing:-.02em;
      margin:0;
      line-height:1.18;
    }
    h1{font-size:clamp(34px,5vw,56px)}
    h2{font-size:clamp(28px,3.4vw,40px)}
    h3{font-size:22px}
    p{margin:0}
    .lead{
      color:var(--text);
      font-size:18px;
      line-height:1.85;
    }
    .muted{color:var(--muted)}
    .text-gradient{
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .safe-topbar{
      background:linear-gradient(90deg,rgba(47,111,228,.08),rgba(54,182,200,.08));
      border-bottom:1px solid rgba(47,111,228,.08);
      font-size:13px;
      color:#43566D;
    }
    .safe-topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .safe-topbar .mini-shield{
      width:20px;height:20px;border-radius:8px;
      display:inline-grid;place-items:center;
      background:var(--white);
      color:var(--primary);
      box-shadow:0 6px 16px rgba(47,111,228,.08);
      flex:0 0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(47,111,228,.10);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.scrolled{
      box-shadow:0 12px 28px rgba(16,32,51,.08);
      background:rgba(255,255,255,.94);
    }
    .navbar{
      min-height:var(--nav-height);
      padding:0;
    }
    .brand-wrap{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--title);
      letter-spacing:-.02em;
    }
    .brand-icon{
      width:42px;
      height:42px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 12px 25px rgba(47,111,228,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-icon:before{
      content:"";
      position:absolute;
      width:22px;height:22px;
      border:2px solid rgba(255,255,255,.78);
      border-radius:50% 50% 46% 46%;
      top:9px;left:10px;
    }
    .brand-icon:after{
      content:"";
      position:absolute;
      width:8px;height:14px;
      border-right:2px solid #fff;
      border-bottom:2px solid #fff;
      transform:rotate(38deg);
      top:11px;left:17px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em}
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:var(--focus)!important}
    .toggle-lines{
      width:22px;height:16px;display:flex;flex-direction:column;justify-content:space-between;
    }
    .toggle-lines i{
      height:2px;border-radius:999px;background:var(--primary);display:block;
    }
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:#40546B;
      font-weight:700;
      font-size:15px;
      padding:10px 15px!important;
      border-radius:999px;
      line-height:1.25;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .nav-link.active{
      color:var(--primary)!important;
      background:var(--primary-soft);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      background:var(--primary);
      color:#fff!important;
      font-weight:800;
      box-shadow:0 12px 24px rgba(47,111,228,.22);
      border:1px solid transparent;
    }
    .nav-cta:hover{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(47,111,228,.28);
    }

    .btn-safe{
      --btn-bg:var(--primary);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1px solid transparent;
      border-radius:999px;
      padding:14px 24px;
      min-height:52px;
      font-weight:800;
      color:#fff;
      background:var(--btn-bg);
      box-shadow:0 14px 28px rgba(47,111,228,.22);
      transition:all .22s ease;
      cursor:pointer;
    }
    .btn-safe:hover{
      color:#fff;
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(47,111,228,.30);
    }
    .btn-safe:focus{outline:0;box-shadow:var(--focus),0 14px 28px rgba(47,111,228,.18)}
    .btn-safe.secondary{
      background:#fff;
      color:var(--primary);
      border-color:var(--border-strong);
      box-shadow:0 12px 26px rgba(31,80,150,.07);
    }
    .btn-safe.secondary:hover{
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-color:rgba(47,111,228,.32);
    }
    .btn-safe.light{
      background:rgba(255,255,255,.92);
      color:var(--title);
      border-color:rgba(255,255,255,.52);
      box-shadow:0 14px 30px rgba(16,32,51,.08);
    }
    .btn-safe.light:hover{color:var(--primary);background:#fff}

    .hero{
      padding:96px 0 78px;
      overflow:hidden;
      position:relative;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(47,111,228,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,111,228,.05) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 82%);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:1;
    }
    .hero h1{margin:18px 0 22px}
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:32px;
    }
    .hero-tags{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:38px;
    }
    .tag-stat{
      background:rgba(255,255,255,.78);
      border:1px solid var(--border);
      border-radius:20px;
      padding:17px 18px;
      box-shadow:0 10px 28px rgba(31,80,150,.06);
    }
    .tag-stat strong{
      color:var(--title);
      display:block;
      font-size:20px;
      line-height:1.2;
      margin-bottom:4px;
    }
    .tag-stat span{
      color:var(--muted);
      font-size:13px;
      font-weight:600;
    }

    .action-panel{
      background:rgba(255,255,255,.88);
      border:1px solid var(--border);
      border-radius:34px;
      padding:28px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .action-panel:before{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-86px;top:-86px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(54,182,200,.22),transparent 68%);
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      position:relative;
      z-index:1;
      margin-bottom:24px;
    }
    .panel-title{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .panel-shield{
      width:52px;height:52px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
    }
    .status-pill{
      padding:7px 12px;
      border-radius:999px;
      background:var(--secondary-soft);
      color:#168A99;
      font-weight:800;
      font-size:13px;
      white-space:nowrap;
    }
    .progress-card{
      background:linear-gradient(135deg,#F8FBFF,#FFFFFF);
      border:1px solid var(--border);
      border-radius:24px;
      padding:22px;
      position:relative;
      z-index:1;
    }
    .progress-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:12px;
      font-weight:800;
      color:var(--title);
    }
    .progress{
      height:12px;
      border-radius:999px;
      background:#E8F1FF;
      overflow:hidden;
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      border-radius:999px;
    }
    .check-list{
      display:grid;
      gap:12px;
      margin-top:20px;
    }
    .check-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(47,111,228,.10);
    }
    .check-icon{
      width:26px;height:26px;border-radius:50%;
      background:rgba(54,182,200,.14);
      color:#168A99;
      display:grid;
      place-items:center;
      font-weight:900;
      flex:0 0 auto;
      line-height:1;
    }
    .mini-card-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:14px;
      position:relative;
      z-index:1;
    }
    .mini-card{
      border-radius:20px;
      padding:16px;
      background:var(--warm);
      border:1px solid rgba(246,169,74,.20);
    }
    .mini-card:nth-child(2){
      background:var(--secondary-soft);
      border-color:rgba(54,182,200,.18);
    }
    .mini-card b{display:block;color:var(--title);margin-bottom:3px}
    .mini-card span{font-size:13px;color:var(--muted);font-weight:600}

    .trust-strip{
      padding:0 0 46px;
    }
    .trust-box{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:22px;
      display:grid;
      grid-template-columns:1.2fr repeat(3,1fr);
      gap:16px;
      align-items:center;
    }
    .trust-intro{
      padding:6px 12px;
      color:var(--title);
      font-weight:800;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      border-radius:18px;
      background:var(--bg);
      color:#43566D;
      font-weight:700;
      min-height:64px;
    }
    .trust-item i{
      width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;
      background:#fff;
      color:var(--primary);
      box-shadow:0 8px 18px rgba(47,111,228,.08);
      font-style:normal;
    }

    .flow-section{
      background:linear-gradient(180deg,#fff,var(--bg));
    }
    .timeline{
      position:relative;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:7%;
      right:7%;
      top:42px;
      height:3px;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(47,111,228,.14),rgba(54,182,200,.24));
    }
    .step-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:26px;
      padding:26px;
      box-shadow:var(--shadow);
      height:100%;
      position:relative;
      transition:all .22s ease;
    }
    .step-card:hover{
      transform:translateY(-5px);
      border-color:rgba(47,111,228,.28);
      box-shadow:var(--shadow-hover);
    }
    .step-badge{
      width:56px;
      height:56px;
      border-radius:20px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:900;
      box-shadow:0 14px 24px rgba(47,111,228,.20);
      margin-bottom:20px;
      position:relative;
      z-index:2;
    }
    .step-card h3{margin-bottom:12px}
    .step-state{
      margin-top:18px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
    }

    .resource-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:22px;
    }
    .resource-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      padding:26px;
      box-shadow:var(--shadow);
      transition:all .22s ease;
      display:flex;
      gap:20px;
      align-items:flex-start;
      min-height:190px;
    }
    .resource-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(54,182,200,.26);
    }
    .resource-icon{
      width:58px;height:58px;border-radius:22px;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      font-weight:900;
      flex:0 0 auto;
      font-size:22px;
    }
    .resource-card:nth-child(2) .resource-icon,
    .resource-card:nth-child(5) .resource-icon{background:var(--secondary-soft);color:#168A99}
    .resource-card:nth-child(3) .resource-icon,
    .resource-card:nth-child(6) .resource-icon{background:var(--warm);color:#B66A12}
    .resource-body .badge-soft{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(47,111,228,.08);
      color:var(--primary);
      font-size:12px;
      font-weight:800;
      margin-bottom:12px;
    }
    .resource-body h3{margin-bottom:10px}
    .resource-body p{color:var(--text);font-size:15px}
    .resource-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary);
      font-weight:800;
      margin-top:16px;
    }
    .resource-link:hover{gap:10px}

    .progress-section{
      background:
        radial-gradient(circle at 18% 18%,rgba(54,182,200,.13),transparent 30%),
        linear-gradient(135deg,#F7FBFF,#EEF5FF);
    }
    .progress-shell{
      background:#fff;
      border:1px solid var(--border);
      border-radius:34px;
      padding:34px;
      box-shadow:var(--shadow);
    }
    .milestones{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:28px;
    }
    .milestone{
      position:relative;
      padding:22px 20px;
      border-radius:24px;
      background:linear-gradient(180deg,#fff,#F9FBFF);
      border:1px solid rgba(47,111,228,.12);
    }
    .milestone-dot{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      box-shadow:0 12px 22px rgba(47,111,228,.18);
    }
    .milestone h3{font-size:18px;margin-bottom:8px}
    .milestone p{font-size:14px;color:var(--muted)}

    .scenario-card{
      border-radius:28px;
      padding:30px;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
      height:100%;
      transition:all .22s ease;
    }
    .scenario-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
    }
    .scenario-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .scenario-num{
      color:rgba(47,111,228,.16);
      font-size:38px;
      font-weight:900;
      line-height:1;
    }
    .scenario-chip{
      padding:7px 11px;
      border-radius:999px;
      color:#168A99;
      background:var(--secondary-soft);
      font-weight:800;
      font-size:12px;
    }
    .scenario-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:10px;
    }
    .scenario-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#52657A;
      font-size:15px;
    }
    .scenario-list li:before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--secondary);
      flex:0 0 auto;
      margin-top:9px;
    }

    .evidence-section{
      background:#fff;
    }
    .evidence-panel{
      border-radius:34px;
      overflow:hidden;
      background:var(--title);
      color:rgba(255,255,255,.78);
      box-shadow:0 22px 60px rgba(16,32,51,.18);
      position:relative;
    }
    .evidence-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 15% 15%,rgba(54,182,200,.25),transparent 30%),
        radial-gradient(circle at 85% 0%,rgba(47,111,228,.35),transparent 34%);
      pointer-events:none;
    }
    .evidence-content{
      position:relative;
      z-index:1;
      padding:42px;
    }
    .evidence-content h2{color:#fff}
    .evidence-content .lead{color:rgba(255,255,255,.78)}
    .evidence-list{
      display:grid;
      gap:14px;
      margin-top:26px;
    }
    .evidence-list .item{
      display:flex;
      align-items:flex-start;
      gap:13px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .evidence-list .item span{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(54,182,200,.20);
      color:#8DE8F2;
      flex:0 0 auto;
      font-weight:900;
    }
    .contact-card{
      position:relative;
      z-index:1;
      margin:24px;
      padding:30px;
      border-radius:28px;
      background:#fff;
      color:var(--text);
      box-shadow:0 18px 44px rgba(0,0,0,.15);
    }
    .form-label{font-weight:800;color:var(--title);font-size:14px}
    .form-control,.form-select{
      border-radius:16px;
      border:1px solid rgba(47,111,228,.16);
      min-height:48px;
      padding:11px 14px;
      color:var(--title);
      box-shadow:none;
      background:#FBFDFF;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--primary);
      box-shadow:var(--focus);
      background:#fff;
    }
    textarea.form-control{min-height:112px;resize:vertical}
    .privacy-note{
      font-size:13px;
      color:var(--muted);
      line-height:1.6;
      margin-top:12px;
    }

    .faq-section{
      background:linear-gradient(180deg,var(--bg),#fff);
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(31,80,150,.05);
    }
    .accordion-button{
      border:0;
      background:#fff;
      color:var(--title);
      font-weight:800;
      padding:20px 24px;
      box-shadow:none!important;
      line-height:1.5;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-soft);
      color:var(--primary);
    }
    .accordion-button:focus{box-shadow:var(--focus)!important}
    .accordion-body{
      padding:0 24px 22px;
      color:var(--text);
      line-height:1.8;
    }

    .cta-band{
      padding:76px 0;
    }
    .cta-box{
      border-radius:34px;
      padding:44px;
      background:
        radial-gradient(circle at 85% 20%,rgba(54,182,200,.20),transparent 30%),
        linear-gradient(135deg,var(--primary),#1F5ED4);
      color:rgba(255,255,255,.86);
      box-shadow:0 24px 60px rgba(47,111,228,.24);
      overflow:hidden;
      position:relative;
    }
    .cta-box:before{
      content:"";
      position:absolute;
      width:240px;height:240px;
      border-radius:50%;
      border:42px solid rgba(255,255,255,.08);
      right:-86px;bottom:-96px;
    }
    .cta-box h2{color:#fff}
    .cta-box p{max-width:700px;color:rgba(255,255,255,.84);font-size:17px}
    .cta-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:28px;
      position:relative;
      z-index:1;
    }

    .site-footer{
      background:#102033;
      color:rgba(255,255,255,.72);
      padding:64px 0 28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-brand .brand-icon{
      width:40px;height:40px;border-radius:15px;
      box-shadow:none;
    }
    .footer-title{
      color:#fff;
      font-size:16px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.70);
      font-weight:600;
      font-size:14px;
    }
    .footer-links a:hover{color:#8DE8F2}
    .footer-note{
      font-size:14px;
      line-height:1.8;
      max-width:360px;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.10);
      margin-top:44px;
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,255,255,.56);
    }
    .footer-bottom a{color:rgba(255,255,255,.70)}
    .footer-bottom a:hover{color:#8DE8F2}

    @media (max-width:1199.98px){
      :root{--container:1120px}
      .hero{padding:82px 0 66px}
      .timeline:before{display:none}
      .trust-box{grid-template-columns:1fr 1fr}
      .trust-intro{grid-column:1/-1}
    }
    @media (max-width:991.98px){
      .navbar-collapse{
        padding:14px 0 18px;
      }
      .navbar-nav{
        align-items:stretch;
        gap:6px;
      }
      .nav-link{
        display:block;
        padding:12px 14px!important;
      }
      .nav-cta{
        margin-top:8px;
        width:100%;
      }
      .hero{
        padding:64px 0 58px;
      }
      .action-panel{margin-top:36px}
      .hero-tags{grid-template-columns:1fr}
      .resource-grid{grid-template-columns:1fr}
      .milestones{grid-template-columns:repeat(2,1fr)}
      .section{padding:70px 0}
      .section-sm{padding:56px 0}
      .contact-card{margin:0 24px 24px}
    }
    @media (max-width:767.98px){
      :root{--nav-height:62px}
      body{font-size:15px}
      .safe-topbar .container{justify-content:flex-start;text-align:left}
      .brand-text span{display:none}
      .brand-text strong{font-size:16px}
      .brand-icon{width:38px;height:38px;border-radius:14px}
      .hero-actions,.cta-actions{
        flex-direction:column;
      }
      .btn-safe{width:100%}
      .trust-box{grid-template-columns:1fr;padding:18px;border-radius:24px}
      .resource-card{
        flex-direction:column;
        min-height:auto;
        padding:22px;
      }
      .progress-shell,.cta-box,.evidence-content{
        padding:26px;
        border-radius:28px;
      }
      .milestones{grid-template-columns:1fr}
      .mini-card-row{grid-template-columns:1fr}
      .section-title{margin-bottom:30px}
      .lead{font-size:16px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:575.98px){
      .hero{padding:52px 0 44px}
      .section{padding:56px 0}
      .section-sm{padding:46px 0}
      .action-panel{
        padding:20px;
        border-radius:26px;
      }
      .panel-top{
        align-items:flex-start;
        flex-direction:column;
      }
      .tag-stat,.step-card,.scenario-card,.contact-card{
        border-radius:22px;
        padding:20px;
      }
      .accordion-button{padding:18px 20px}
      .accordion-body{padding:0 20px 20px}
      .cta-box{padding:24px}
      .footer-note{max-width:none}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FE4;
      --primary-dark:#1E55B8;
      --primary-soft:#EAF2FF;
      --secondary:#36B6C8;
      --secondary-soft:#E8FAFC;
      --warm:#FFF4E2;
      --warning:#D7892E;
      --bg:#F6F9FE;
      --bg-2:#EEF5FF;
      --surface:#FFFFFF;
      --text:#102033;
      --muted:#4E5F73;
      --weak:#7A8AA0;
      --border:rgba(47,111,228,.14);
      --border-strong:rgba(47,111,228,.24);
      --shadow:0 16px 40px rgba(31,80,150,.08);
      --shadow-hover:0 22px 54px rgba(31,80,150,.13);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --container:1200px;
      --focus:0 0 0 .24rem rgba(47,111,228,.22);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(54,182,200,.16), transparent 28rem),
        radial-gradient(circle at 92% 12%, rgba(47,111,228,.12), transparent 32rem),
        var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }

    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--primary)}
    img,svg{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:none;
      box-shadow:var(--focus);
    }

    .container{max-width:var(--container)}
    .section{padding:86px 0}
    .section-tight{padding:64px 0}
    .section-title{
      font-size:clamp(1.75rem,3vw,2.45rem);
      font-weight:800;
      letter-spacing:-.04em;
      line-height:1.2;
      margin:0 0 14px;
      color:var(--text);
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      font-size:1.03rem;
      max-width:760px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(160%) blur(18px);
      border-bottom:1px solid rgba(47,111,228,.10);
      transition:box-shadow .22s ease, background .22s ease;
    }
    .site-header .navbar{
      min-height:72px;
      padding:0;
    }
    .brand-wrap{
      display:flex;
      align-items:center;
      gap:12px;
      padding:0;
    }
    .brand-icon{
      width:42px;
      height:42px;
      border-radius:16px;
      display:inline-flex;
      flex:0 0 auto;
      background:
        linear-gradient(135deg, rgba(47,111,228,.95), rgba(54,182,200,.92)),
        radial-gradient(circle at 70% 30%, rgba(255,255,255,.8), transparent 36%);
      box-shadow:0 12px 26px rgba(47,111,228,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-icon:before{
      content:"";
      position:absolute;
      inset:9px 12px 10px;
      border:2px solid rgba(255,255,255,.88);
      border-top-left-radius:14px;
      border-top-right-radius:14px;
      border-bottom-left-radius:18px;
      border-bottom-right-radius:18px;
      clip-path:polygon(50% 0,100% 18%,92% 72%,50% 100%,8% 72%,0 18%);
    }
    .brand-icon:after{
      content:"";
      position:absolute;
      width:8px;
      height:8px;
      border-radius:50%;
      background:#fff;
      left:17px;
      top:17px;
      box-shadow:0 0 0 5px rgba(255,255,255,.18);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text strong{
      font-size:1.04rem;
      font-weight:800;
      color:var(--text);
      letter-spacing:-.02em;
    }
    .brand-text span{
      margin-top:3px;
      font-size:.78rem;
      color:var(--weak);
      font-weight:500;
    }
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:var(--muted);
      font-weight:650;
      font-size:.96rem;
      padding:9px 15px!important;
      border-radius:999px;
    }
    .nav-link:hover{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .nav-link.active{
      color:var(--primary-dark)!important;
      background:var(--primary-soft);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:750;
      box-shadow:0 12px 26px rgba(47,111,228,.20);
      white-space:nowrap;
    }
    .nav-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(47,111,228,.26);
    }
    .navbar-toggler{
      width:44px;
      height:40px;
      border:1px solid var(--border);
      border-radius:14px;
      padding:0;
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:var(--focus)}
    .toggle-lines{
      width:18px;
      display:inline-flex;
      flex-direction:column;
      gap:4px;
      vertical-align:middle;
    }
    .toggle-lines i{
      display:block;
      height:2px;
      border-radius:2px;
      background:var(--primary);
    }

    .category-hero{
      position:relative;
      padding:74px 0 42px;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.35) 42%, transparent 100%),
        radial-gradient(circle at 78% 12%, rgba(54,182,200,.20), transparent 28rem);
      pointer-events:none;
    }
    .hero-inner{position:relative;z-index:1}
    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:.92rem;
      font-weight:600;
      margin-bottom:18px;
    }
    .breadcrumb-wrap a{color:var(--muted)}
    .breadcrumb-wrap a:hover{color:var(--primary)}
    .breadcrumb-dot{
      width:5px;
      height:5px;
      border-radius:50%;
      background:rgba(47,111,228,.32);
    }
    h1{
      font-size:clamp(2.15rem,4.4vw,3.55rem);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:850;
      margin:0;
    }
    .hero-copy{
      color:var(--muted);
      font-size:1.1rem;
      max-width:780px;
      margin:18px 0 0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn-main,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:13px 23px;
      border-radius:999px;
      font-weight:760;
      border:1px solid transparent;
      transition:all .22s ease;
      cursor:pointer;
    }
    .btn-main{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 30px rgba(47,111,228,.22);
    }
    .btn-main:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 42px rgba(47,111,228,.28);
    }
    .btn-ghost{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--border-strong);
      box-shadow:0 10px 24px rgba(31,80,150,.06);
    }
    .btn-ghost:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(31,80,150,.10);
    }

    .progress-panel{
      background:rgba(255,255,255,.90);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .progress-panel:before{
      content:"";
      position:absolute;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(54,182,200,.13);
      right:-70px;
      top:-80px;
    }
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      position:relative;
      z-index:1;
      margin-bottom:22px;
    }
    .panel-title{
      font-weight:820;
      font-size:1.15rem;
      margin:0;
    }
    .panel-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--border);
      border-radius:999px;
      padding:6px 11px;
      font-size:.82rem;
      font-weight:760;
    }
    .progress-meter{
      height:12px;
      border-radius:999px;
      background:#E8F1FF;
      overflow:hidden;
      margin-bottom:18px;
      position:relative;
      z-index:1;
    }
    .progress-meter span{
      display:block;
      width:66%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }
    .mini-checks{
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .mini-check{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px 13px;
      border-radius:16px;
      background:#F8FBFF;
      border:1px solid rgba(47,111,228,.10);
      color:var(--muted);
      font-size:.94rem;
      font-weight:560;
    }
    .mini-check i{
      width:22px;
      height:22px;
      border-radius:50%;
      background:var(--secondary-soft);
      color:var(--secondary);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      font-style:normal;
      font-weight:900;
      line-height:1;
    }

    .filter-bar{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      padding:12px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.78);
      border-radius:999px;
      box-shadow:0 12px 28px rgba(31,80,150,.05);
      margin-top:28px;
    }
    .filter-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:9px 15px;
      border-radius:999px;
      color:var(--muted);
      background:transparent;
      font-weight:720;
      font-size:.92rem;
      border:1px solid transparent;
    }
    .filter-pill.active,.filter-pill:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:var(--border);
    }

    .main-grid{
      display:grid;
      grid-template-columns:minmax(0, 2fr) minmax(300px, .92fr);
      gap:28px;
      align-items:start;
    }
    .resource-stack{
      display:grid;
      gap:20px;
    }
    .resource-card{
      display:grid;
      grid-template-columns:88px minmax(0,1fr);
      gap:20px;
      padding:24px;
      background:var(--surface);
      border:1px solid rgba(47,111,228,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .resource-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(47,111,228,.26);
    }
    .resource-icon{
      width:72px;
      height:72px;
      border-radius:22px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--primary-soft),var(--secondary-soft));
      color:var(--primary);
      position:relative;
    }
    .resource-icon svg{
      width:34px;
      height:34px;
      stroke:currentColor;
      stroke-width:1.8;
      fill:none;
      stroke-linecap:round;
      stroke-linejoin:round;
    }
    .tag-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:.8rem;
      font-weight:780;
      border:1px solid rgba(47,111,228,.12);
    }
    .tag.alt{
      background:var(--warm);
      color:#90601F;
      border-color:rgba(215,137,46,.18);
    }
    .read-time{
      color:var(--weak);
      font-size:.86rem;
      font-weight:650;
    }
    .resource-card h2{
      font-size:1.28rem;
      line-height:1.36;
      letter-spacing:-.025em;
      font-weight:820;
      margin:0 0 8px;
    }
    .resource-card p{
      color:var(--muted);
      margin:0 0 16px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-weight:800;
    }
    .text-link:hover{gap:12px;color:var(--primary)}

    .side-panel{
      position:sticky;
      top:94px;
      display:grid;
      gap:18px;
    }
    .sidebar-card{
      background:var(--surface);
      border:1px solid rgba(47,111,228,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:23px;
    }
    .sidebar-card.soft{
      background:linear-gradient(145deg,#fff,var(--primary-soft));
    }
    .sidebar-title{
      font-size:1.1rem;
      font-weight:820;
      margin:0 0 14px;
      letter-spacing:-.02em;
    }
    .action-list{
      display:grid;
      gap:11px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .action-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.6;
    }
    .action-list li:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--secondary);
      flex:0 0 auto;
      margin-top:.55rem;
      box-shadow:0 0 0 5px rgba(54,182,200,.13);
    }
    .hot-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(47,111,228,.10);
      color:var(--muted);
      font-weight:650;
    }
    .hot-item:last-child{border-bottom:0;padding-bottom:0}
    .hot-item span{
      color:var(--primary);
      font-weight:850;
      font-size:.9rem;
    }

    .timeline-wrap{
      background:linear-gradient(145deg,#FFFFFF 0%,#F3F8FF 100%);
      border:1px solid rgba(47,111,228,.12);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:32px;
      overflow:hidden;
      position:relative;
    }
    .timeline-wrap:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(47,111,228,.08);
      right:-120px;
      bottom:-130px;
    }
    .flow-steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
      z-index:1;
      margin-top:28px;
    }
    .flow-step{
      background:#fff;
      border:1px solid rgba(47,111,228,.12);
      border-radius:22px;
      padding:22px;
      min-height:190px;
      transition:all .22s ease;
    }
    .flow-step:hover{
      transform:translateY(-4px);
      border-color:rgba(47,111,228,.26);
      box-shadow:var(--shadow);
    }
    .step-no{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border-radius:16px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:850;
      margin-bottom:16px;
    }
    .flow-step h3{
      font-size:1.08rem;
      font-weight:820;
      margin:0 0 9px;
    }
    .flow-step p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }

    .support-band{
      background:#102033;
      color:#fff;
      border-radius:var(--radius-lg);
      padding:38px;
      position:relative;
      overflow:hidden;
      box-shadow:0 22px 56px rgba(16,32,51,.18);
    }
    .support-band:before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(54,182,200,.22);
      right:-130px;
      top:-160px;
    }
    .support-band h2{
      position:relative;
      z-index:1;
      font-size:clamp(1.65rem,3vw,2.25rem);
      font-weight:850;
      letter-spacing:-.04em;
      margin:0 0 12px;
    }
    .support-band p{
      position:relative;
      z-index:1;
      color:rgba(255,255,255,.78);
      margin:0;
      max-width:730px;
    }
    .support-actions{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn-light-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:12px 22px;
      border-radius:999px;
      color:var(--text);
      background:#fff;
      font-weight:800;
    }
    .btn-light-custom:hover{
      color:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(0,0,0,.18);
    }
    .btn-outline-light-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:12px 22px;
      border-radius:999px;
      color:#fff;
      border:1px solid rgba(255,255,255,.34);
      font-weight:800;
    }
    .btn-outline-light-custom:hover{
      color:#fff;
      background:rgba(255,255,255,.12);
      transform:translateY(-2px);
    }

    .contact-card{
      background:var(--surface);
      border:1px solid rgba(47,111,228,.12);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:32px;
    }
    .form-label{
      color:var(--text);
      font-weight:760;
      margin-bottom:8px;
    }
    .form-control,.form-select{
      min-height:50px;
      border-radius:16px;
      border:1px solid rgba(47,111,228,.18);
      color:var(--text);
      background:#FBFDFF;
      padding:12px 15px;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--primary);
      box-shadow:var(--focus);
      background:#fff;
    }
    textarea.form-control{min-height:126px;resize:vertical}
    .privacy-note{
      color:var(--weak);
      font-size:.9rem;
      margin:14px 0 0;
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid rgba(47,111,228,.12)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 24px rgba(31,80,150,.05);
    }
    .accordion-button{
      border-radius:20px!important;
      font-weight:800;
      color:var(--text);
      background:#fff;
      padding:19px 22px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .accordion-button:focus{box-shadow:var(--focus)!important}
    .accordion-body{
      color:var(--muted);
      padding:18px 22px 22px;
      line-height:1.8;
    }

    .site-footer{
      background:#102033;
      color:rgba(255,255,255,.78);
      padding:58px 0 28px;
      margin-top:40px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:850;
      font-size:1.1rem;
      margin-bottom:16px;
    }
    .footer-note{
      margin:0;
      max-width:410px;
      color:rgba(255,255,255,.68);
    }
    .footer-title{
      color:#fff;
      font-size:1rem;
      font-weight:820;
      margin:0 0 15px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-weight:560;
    }
    .footer-links a:hover{
      color:var(--secondary);
      padding-left:3px;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.56);
      font-size:.9rem;
    }

    @media (max-width: 1199.98px){
      .flow-steps{grid-template-columns:repeat(2,1fr)}
      .main-grid{grid-template-columns:minmax(0,1.7fr) minmax(280px,.9fr)}
    }

    @media (max-width: 991.98px){
      .site-header .navbar{min-height:64px;padding:10px 0}
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border:1px solid var(--border);
        border-radius:22px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch;gap:6px}
      .nav-link{padding:11px 14px!important}
      .nav-cta{margin-top:10px;width:100%}
      .category-hero{padding:56px 0 34px}
      .main-grid{grid-template-columns:1fr}
      .side-panel{position:static;grid-template-columns:repeat(2,1fr)}
      .section{padding:68px 0}
      .section-tight{padding:52px 0}
    }

    @media (max-width: 767.98px){
      .hero-actions,.support-actions{flex-direction:column}
      .btn-main,.btn-ghost,.btn-light-custom,.btn-outline-light-custom{width:100%}
      .filter-bar{border-radius:22px}
      .filter-pill{flex:1 1 auto}
      .resource-card{grid-template-columns:1fr;padding:22px}
      .resource-icon{width:64px;height:64px}
      .flow-steps{grid-template-columns:1fr}
      .side-panel{grid-template-columns:1fr}
      .timeline-wrap,.support-band,.contact-card{padding:24px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

    @media (max-width: 575.98px){
      .brand-icon{width:38px;height:38px;border-radius:14px}
      .brand-text strong{font-size:.98rem}
      .brand-text span{font-size:.72rem}
      h1{font-size:2.1rem}
      .hero-copy{font-size:1rem}
      .progress-panel,.sidebar-card{padding:20px}
      .section{padding:56px 0}
      .section-tight{padding:44px 0}
    }
