/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --primary-soft:#DBEAFE;
      --primary-pale:#EFF6FF;
      --indigo-soft:#EEF2FF;
      --cyan:#06B6D4;
      --amber:#F59E0B;
      --text:#1F2937;
      --muted:#64748B;
      --light-muted:#94A3B8;
      --border:#E5EAF3;
      --border-strong:#C7D7FE;
      --bg:#FFFFFF;
      --bg-soft:#F7FAFF;
      --card:#FFFFFF;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --shadow:0 16px 40px rgba(37,99,235,.08);
      --shadow-hover:0 22px 56px rgba(37,99,235,.14);
      --container:1200px;
      --nav-height:76px;
      --transition:220ms 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;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,#F7FAFF 46%,#fff 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(37,99,235,.22);outline-offset:3px}
    .container{max-width:var(--container)}
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:68px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      background:rgba(219,234,254,.74);
      border:1px solid rgba(37,99,235,.12);
      border-radius:999px;
      padding:6px 12px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:14px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(38px,5vw,56px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:800;
      margin-bottom:20px;
    }
    h2{
      font-size:clamp(28px,3.3vw,38px);
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:800;
      margin-bottom:14px;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      font-weight:760;
      margin-bottom:10px;
    }
    p{color:var(--muted);font-size:16px}
    .lead-text{font-size:17px;line-height:1.85;color:#475569}
    .text-muted-blue{color:var(--muted)}
    .brand-header{
      position:sticky;
      top:0;
      z-index:1020;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,234,243,.9);
      box-shadow:0 8px 26px rgba(15,23,42,.04);
    }
    .navbar{
      min-height:var(--nav-height);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--text);
      letter-spacing:-.02em;
      white-space:normal;
      max-width:340px;
      line-height:1.25;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        radial-gradient(circle at 70% 25%,rgba(255,255,255,.45),transparent 22%),
        linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 14px 28px rgba(37,99,235,.2);
      flex:0 0 auto;
    }
    .navbar-nav{
      gap:6px;
      align-items:center;
    }
    .nav-link{
      color:#334155;
      font-size:15px;
      font-weight:700;
      border-radius:999px;
      padding:9px 14px!important;
      position:relative;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--primary);
      background:rgba(219,234,254,.72);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:2px;
      background:var(--primary);
    }
    .nav-search{
      width:220px;
      position:relative;
    }
    .nav-search .bi{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      color:var(--light-muted);
      pointer-events:none;
    }
    .nav-search input{
      width:100%;
      border:1px solid var(--border);
      border-radius:999px;
      height:42px;
      padding:0 14px 0 40px;
      background:#fff;
      color:var(--text);
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    .nav-search input:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
      outline:none;
    }
    .btn-brand{
      --bs-btn-border-width:0;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 22px;
      font-weight:760;
      color:#fff!important;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 30px rgba(37,99,235,.22);
      border:0;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .btn-brand:hover{
      transform:translateY(-2px);
      background:linear-gradient(135deg,var(--primary-dark),#1E40AF);
      box-shadow:0 20px 38px rgba(37,99,235,.3);
    }
    .btn-soft{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:11px 20px;
      font-weight:760;
      color:var(--primary)!important;
      background:#fff;
      border:1px solid rgba(37,99,235,.18);
      box-shadow:0 10px 22px rgba(37,99,235,.06);
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition);
    }
    .btn-soft:hover{
      transform:translateY(-2px);
      background:var(--primary-pale);
      border-color:rgba(37,99,235,.36);
      box-shadow:0 16px 32px rgba(37,99,235,.12);
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
    }

    .hero{
      min-height:690px;
      display:flex;
      align-items:center;
      padding:96px 0 82px;
      overflow:hidden;
      background:
        radial-gradient(circle at 15% 12%,rgba(37,99,235,.12),transparent 32%),
        radial-gradient(circle at 88% 18%,rgba(6,182,212,.12),transparent 28%),
        linear-gradient(180deg,#FFFFFF 0%,#F7FAFF 100%);
      position:relative;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.48;
      background-image:
        linear-gradient(rgba(37,99,235,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.08) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:6%;
      top:18%;
      width:430px;
      height:180px;
      opacity:.28;
      background:
        repeating-linear-gradient(90deg,transparent 0 14px,rgba(37,99,235,.35) 14px 16px,transparent 16px 30px);
      border-radius:50%;
      filter:blur(.2px);
      transform:rotate(-8deg);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:1;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(37,99,235,.15);
      box-shadow:0 10px 24px rgba(37,99,235,.08);
      color:var(--primary-dark);
      font-weight:800;
      font-size:14px;
      margin-bottom:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
      align-items:center;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .point-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#475569;
      font-weight:700;
      font-size:14px;
      box-shadow:0 10px 22px rgba(37,99,235,.05);
    }
    .point-pill i{color:var(--cyan)}
    .fund-panel{
      position:relative;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(148,163,184,.18);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:24px;
      overflow:hidden;
    }
    .fund-panel::before{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      right:-80px;
      top:-80px;
      background:radial-gradient(circle,rgba(37,99,235,.16),transparent 68%);
    }
    .progress-card{
      display:grid;
      grid-template-columns:172px 1fr;
      gap:22px;
      align-items:center;
      padding:20px;
      border-radius:26px;
      background:linear-gradient(135deg,#fff,var(--primary-pale));
      border:1px solid rgba(37,99,235,.12);
      position:relative;
      z-index:1;
    }
    .progress-ring{
      width:152px;
      height:152px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:conic-gradient(var(--primary) 0 72%,#E8EEF8 72% 100%);
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.08),0 16px 30px rgba(37,99,235,.1);
      position:relative;
    }
    .progress-ring::after{
      content:"";
      position:absolute;
      width:112px;
      height:112px;
      border-radius:50%;
      background:#fff;
      box-shadow:inset 0 0 0 1px var(--border);
    }
    .ring-num{
      position:relative;
      z-index:1;
      text-align:center;
      font-weight:900;
      color:var(--primary-dark);
      font-size:32px;
      line-height:1;
    }
    .ring-num span{
      display:block;
      font-size:13px;
      margin-top:8px;
      color:var(--muted);
      font-weight:760;
    }
    .tier-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .tier-card{
      border-radius:20px;
      padding:16px;
      background:#fff;
      border:1px solid var(--border);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .tier-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .tier-card strong{
      display:block;
      color:#0F172A;
      margin-bottom:4px;
    }
    .tier-card small{
      color:var(--muted);
      line-height:1.6;
      display:block;
    }
    .mini-status{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(239,246,255,.72);
      border:1px dashed rgba(37,99,235,.24);
      margin-top:14px;
      color:#475569;
      font-size:14px;
      font-weight:700;
    }

    .stage-wrap{
      background:#fff;
    }
    .screen-stage{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 10% 12%,rgba(6,182,212,.12),transparent 34%),
        linear-gradient(135deg,#FFFFFF,#F2F7FF);
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      padding:28px;
      overflow:hidden;
      position:relative;
    }
    .screen-stage::after{
      content:"";
      position:absolute;
      inset:auto -20% -52% 18%;
      height:190px;
      border-radius:50%;
      background:rgba(37,99,235,.08);
      filter:blur(12px);
    }
    .browser-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px 18px 0 0;
      position:relative;
      z-index:1;
    }
    .dots{display:flex;gap:7px}
    .dots span{width:10px;height:10px;border-radius:50%;background:#CBD5E1}
    .dots span:nth-child(1){background:#F59E0B}.dots span:nth-child(2){background:#06B6D4}.dots span:nth-child(3){background:#2563EB}
    .browser-path{
      flex:1;
      max-width:430px;
      height:28px;
      border-radius:999px;
      background:var(--primary-pale);
      color:#64748B;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      font-weight:700;
    }
    .screen-body{
      background:#fff;
      border:1px solid var(--border);
      border-top:0;
      border-radius:0 0 24px 24px;
      padding:22px;
      position:relative;
      z-index:1;
    }
    .screen-grid{
      display:grid;
      grid-template-columns:1.35fr .85fr;
      gap:18px;
    }
    .visual-card{
      border-radius:22px;
      background:linear-gradient(135deg,var(--primary-pale),#fff);
      border:1px solid rgba(37,99,235,.12);
      padding:20px;
      min-height:182px;
    }
    .visual-card.darkline{
      background:#fff;
    }
    .wave-lines{
      height:82px;
      display:flex;
      align-items:end;
      gap:7px;
      margin-top:18px;
    }
    .wave-lines span{
      flex:1;
      min-width:8px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--primary),var(--cyan));
      opacity:.78;
    }
    .wave-lines span:nth-child(1){height:28px}.wave-lines span:nth-child(2){height:54px}.wave-lines span:nth-child(3){height:38px}.wave-lines span:nth-child(4){height:72px}.wave-lines span:nth-child(5){height:46px}.wave-lines span:nth-child(6){height:64px}.wave-lines span:nth-child(7){height:35px}.wave-lines span:nth-child(8){height:58px}
    .stage-aside{
      display:grid;
      gap:16px;
    }
    .stage-note{
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 12px 28px rgba(37,99,235,.05);
    }
    .stage-note i{color:var(--primary);font-size:22px}
    .stage-note p{font-size:14px;margin-bottom:0}

    .steps-bg{
      background:linear-gradient(180deg,#F7FAFF,#fff);
    }
    .step-timeline{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:22px;
      position:relative;
    }
    .step-timeline::before{
      content:"";
      position:absolute;
      left:9%;
      right:9%;
      top:35px;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--border-strong),transparent);
    }
    .step-card{
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      position:relative;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .step-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:var(--border-strong);
    }
    .step-number{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
      box-shadow:0 14px 26px rgba(37,99,235,.2);
    }

    .review-wall{
      background:#fff;
    }
    .review-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
      align-items:stretch;
    }
    .quote-feature{
      border-radius:var(--radius-xl);
      padding:32px;
      background:linear-gradient(135deg,#EFF6FF,#FFFFFF);
      border:1px solid rgba(37,99,235,.14);
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .quote-mark{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:#fff;
      color:var(--primary);
      box-shadow:0 12px 24px rgba(37,99,235,.1);
      margin-bottom:18px;
      font-size:24px;
    }
    .review-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .review-card{
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      padding:22px;
      box-shadow:0 14px 34px rgba(37,99,235,.06);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .review-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .review-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
      font-weight:800;
    }
    .stars{color:var(--amber);letter-spacing:1px;font-size:13px}
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border-radius:999px;
      background:var(--primary-pale);
      color:var(--primary-dark);
      font-weight:800;
      font-size:13px;
      border:1px solid rgba(37,99,235,.12);
    }
    .badge-cyan{
      background:rgba(6,182,212,.1);
      color:#0891B2;
      border-color:rgba(6,182,212,.18);
    }

    .news-section{
      background:linear-gradient(180deg,#F7FAFF,#FFFFFF);
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid rgba(148,163,184,.18);
      background:#fff;
      border-radius:22px;
      box-shadow:0 12px 28px rgba(37,99,235,.05);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .news-item:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .news-index{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      font-weight:900;
      color:var(--primary);
      background:var(--primary-pale);
    }
    .news-title{
      font-weight:800;
      color:#0F172A;
      margin-bottom:3px;
    }
    .news-desc{
      font-size:14px;
      color:var(--muted);
      margin:0;
      line-height:1.6;
    }
    .news-arrow{
      color:var(--primary);
      transition:transform var(--transition);
    }
    .news-item:hover .news-arrow{transform:translateX(4px)}
    .recommend-card{
      position:sticky;
      top:104px;
      border-radius:var(--radius-xl);
      padding:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
    }
    .topic-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .topic-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#475569;
      font-size:15px;
    }
    .topic-list i{color:var(--cyan);margin-top:4px}

    .download-section{
      background:#fff;
    }
    .download-box{
      border-radius:34px;
      padding:34px;
      background:
        radial-gradient(circle at 80% 20%,rgba(6,182,212,.14),transparent 32%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF 58%,#EEF2FF);
      border:1px solid rgba(37,99,235,.12);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .download-box::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-120px;
      bottom:-120px;
      border-radius:50%;
      border:36px solid rgba(37,99,235,.07);
    }
    .resource-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:22px;
      position:relative;
      z-index:1;
    }
    .resource-card{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(148,163,184,.2);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .resource-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .resource-card i{
      color:var(--primary);
      font-size:24px;
      margin-bottom:10px;
    }

    .faq-section{
      background:linear-gradient(180deg,#FFFFFF,#F7FAFF);
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid rgba(148,163,184,.18)!important;
      border-radius:22px!important;
      overflow:hidden;
      box-shadow:0 12px 30px rgba(37,99,235,.05);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:800;
      color:#0F172A;
      background:#fff;
      box-shadow:none!important;
      border-radius:22px!important;
    }
    .accordion-button:hover{color:var(--primary)}
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-pale);
    }
    .accordion-button::after{
      transition:transform var(--transition);
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.8;
    }

    .lead-section{
      background:#fff;
      padding-top:56px;
    }
    .lead-panel{
      border-radius:34px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      padding:28px;
    }
    .form-label{
      font-weight:760;
      color:#334155;
      margin-bottom:8px;
    }
    .form-control,.form-select{
      min-height:50px;
      border-radius:16px;
      border:1px solid var(--border);
      color:var(--text);
      background:#fff;
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    textarea.form-control{min-height:118px}
    .form-control:focus,.form-select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .privacy-note{
      font-size:13px;
      color:var(--muted);
      display:flex;
      align-items:flex-start;
      gap:8px;
      margin-top:12px;
    }
    .privacy-note i{color:var(--cyan);margin-top:4px}

    .footer{
      background:#F8FBFF;
      border-top:1px solid var(--border);
      padding:54px 0 26px;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      font-weight:900;
      color:#0F172A;
      margin-bottom:14px;
    }
    .footer-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 22px rgba(37,99,235,.18);
      flex:0 0 auto;
    }
    .footer h4{
      font-size:16px;
      font-weight:850;
      margin-bottom:14px;
      color:#0F172A;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:15px;
    }
    .footer-links a:hover{
      color:var(--primary);
      padding-left:4px;
    }
    .copyright{
      border-top:1px solid var(--border);
      margin-top:34px;
      padding-top:20px;
      color:var(--muted);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    @media (max-width:1199.98px){
      :root{--container:1120px}
      .hero{min-height:640px;padding:78px 0}
      .nav-search{width:190px}
      h1{font-size:48px}
      .fund-panel{padding:20px}
      .progress-card{grid-template-columns:145px 1fr}
      .progress-ring{width:132px;height:132px}
      .progress-ring::after{width:96px;height:96px}
    }
    @media (max-width:991.98px){
      .navbar-collapse{
        padding:18px 0 8px;
        border-top:1px solid var(--border);
        margin-top:12px;
      }
      .navbar-nav{align-items:stretch}
      .nav-link{display:block}
      .nav-search{width:100%;margin:12px 0}
      .hero{min-height:auto;padding:64px 0}
      .fund-panel{margin-top:26px}
      .screen-grid,.review-layout,.news-layout{
        grid-template-columns:1fr;
      }
      .step-timeline{
        grid-template-columns:1fr;
      }
      .step-timeline::before{display:none}
      .resource-grid{grid-template-columns:1fr 1fr}
      .recommend-card{position:static}
    }
    @media (max-width:767.98px){
      .section{padding:64px 0}
      .section-tight{padding:54px 0}
      .navbar-brand{font-size:15px;max-width:260px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      h1{font-size:38px}
      h2{font-size:29px}
      .lead-text{font-size:16px}
      .hero-actions .btn-brand,.hero-actions .btn-soft{width:100%}
      .progress-card{
        grid-template-columns:1fr;
        justify-items:center;
        text-align:center;
      }
      .tier-grid,.review-grid,.resource-grid{
        grid-template-columns:1fr;
      }
      .news-item{
        grid-template-columns:auto 1fr;
      }
      .news-arrow{
        grid-column:2;
        justify-self:start;
      }
      .download-box,.lead-panel,.screen-stage,.quote-feature{
        padding:22px;
        border-radius:26px;
      }
      .browser-path{display:none}
      .mini-status{
        flex-direction:column;
      }
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }
    @media (max-width:420px){
      .container{padding-left:18px;padding-right:18px}
      h1{font-size:32px;letter-spacing:-.03em}
      h2{font-size:25px}
      h3{font-size:20px}
      p{font-size:15px}
      .hero{padding:48px 0}
      .section{padding:52px 0}
      .fund-panel,.screen-stage,.download-box,.lead-panel{padding:18px}
      .tier-card,.step-card,.review-card,.stage-note{padding:16px}
      .brand-header .btn-brand{padding:10px 16px}
    }

/* roulang page: category1 */
:root{
      --brand:#2563EB;
      --brand-dark:#1D4ED8;
      --brand-soft:#DBEAFE;
      --brand-light:#EFF6FF;
      --indigo-soft:#EEF2FF;
      --cyan:#06B6D4;
      --orange:#F59E0B;
      --text:#1F2937;
      --muted:#64748B;
      --weak:#94A3B8;
      --line:#E5EAF3;
      --line-strong:rgba(37,99,235,.22);
      --bg:#FFFFFF;
      --bg-soft:#F7FAFF;
      --card:#FFFFFF;
      --radius-sm:14px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 16px 40px rgba(37,99,235,.08);
      --shadow-hover:0 22px 54px rgba(37,99,235,.14);
      --max:1200px;
      --transition:220ms 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;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,#F7FAFF 48%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:var(--brand-soft);color:var(--brand-dark)}
    .container{max-width:var(--max)}
    .section{padding:86px 0}
    .section-sm{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:var(--brand-light);
      color:var(--brand-dark);
      font-size:14px;
      font-weight:700;
      border:1px solid rgba(37,99,235,.12);
    }
    .section-title{
      margin:18px 0 12px;
      font-size:clamp(30px,3vw,38px);
      line-height:1.24;
      letter-spacing:-.03em;
      font-weight:800;
      color:#0F172A;
    }
    .section-desc{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
      margin:0;
    }
    .text-muted-blue{color:var(--muted)}
    .brand-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(229,234,243,.9);
      box-shadow:0 8px 30px rgba(15,23,42,.04);
    }
    .brand-header .navbar{min-height:78px;padding:12px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:11px;
      color:#0F172A;
      font-weight:800;
      letter-spacing:-.03em;
      font-size:20px;
    }
    .navbar-brand:hover{color:var(--brand-dark)}
    .brand-mark,.footer-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--cyan));
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .brand-mark i,.footer-mark i{font-size:20px}
    .navbar-nav{gap:6px}
    .nav-link{
      position:relative;
      border-radius:999px;
      padding:9px 15px!important;
      color:#334155;
      font-weight:700;
      font-size:15px;
    }
    .nav-link:hover,.nav-link:focus{
      color:var(--brand-dark);
      background:var(--brand-light);
    }
    .nav-link.active{
      color:var(--brand-dark)!important;
      background:var(--brand-soft);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:var(--brand);
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(37,99,235,.16)}
    .nav-search{
      height:44px;
      min-width:250px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--weak);
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    .nav-search:focus-within{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      font-size:14px;
    }
    .nav-search input::placeholder{color:#94A3B8}
    .btn-brand,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 22px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      white-space:nowrap;
    }
    .btn-brand{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:0 14px 30px rgba(37,99,235,.22);
    }
    .btn-brand:hover,.btn-brand:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(37,99,235,.32);
      background:linear-gradient(135deg,var(--brand-dark),#1E40AF);
    }
    .btn-ghost{
      color:var(--brand-dark);
      background:#fff;
      border-color:rgba(37,99,235,.2);
      box-shadow:0 10px 24px rgba(37,99,235,.07);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:var(--brand-dark);
      background:var(--brand-light);
      border-color:rgba(37,99,235,.32);
      transform:translateY(-2px);
    }
    .page-hero{
      position:relative;
      min-height:390px;
      padding:64px 0 56px;
      overflow:hidden;
      background:
        radial-gradient(circle at 12% 22%,rgba(37,99,235,.16),transparent 32%),
        radial-gradient(circle at 86% 14%,rgba(6,182,212,.14),transparent 28%),
        linear-gradient(135deg,#FFFFFF 0%,#F7FAFF 54%,#EFF6FF 100%);
      border-bottom:1px solid rgba(229,234,243,.85);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px),
        linear-gradient(0deg,rgba(37,99,235,.05) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.18),transparent 70%);
      pointer-events:none;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      width:520px;
      height:90px;
      right:-120px;
      bottom:44px;
      background:repeating-linear-gradient(90deg,rgba(37,99,235,.16) 0 3px,transparent 3px 18px);
      border-radius:999px;
      transform:rotate(-8deg);
      opacity:.55;
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .breadcrumb{
      --bs-breadcrumb-divider:"›";
      margin-bottom:18px;
      font-size:14px;
    }
    .breadcrumb a{color:var(--muted);font-weight:700}
    .breadcrumb a:hover{color:var(--brand-dark)}
    .breadcrumb .active{color:var(--brand-dark);font-weight:800}
    h1{
      max-width:820px;
      margin:0;
      color:#0F172A;
      font-size:clamp(34px,4.6vw,54px);
      line-height:1.14;
      letter-spacing:-.045em;
      font-weight:850;
    }
    .hero-lead{
      max-width:760px;
      margin:20px 0 0;
      font-size:18px;
      color:#475569;
      line-height:1.8;
    }
    .hero-tools{
      margin-top:26px;
      padding:16px;
      border:1px solid rgba(37,99,235,.13);
      border-radius:24px;
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow);
    }
    .hero-search{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:52px;
      padding:0 16px;
      border-radius:16px;
      border:1px solid var(--line);
      background:#fff;
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    .hero-search:focus-within{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .hero-search i{color:var(--brand)}
    .hero-search input{
      border:0;
      outline:0;
      width:100%;
      background:transparent;
      color:var(--text);
    }
    .filter-pills{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.14);
      background:#fff;
      color:#334155;
      font-size:14px;
      font-weight:700;
      cursor:pointer;
      transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition);
    }
    .pill:hover,.pill.active{
      color:var(--brand-dark);
      background:var(--brand-soft);
      border-color:rgba(37,99,235,.28);
      transform:translateY(-1px);
    }
    .time-panel{
      position:relative;
      padding:22px;
      border-radius:30px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
    }
    .time-panel h2{
      font-size:20px;
      font-weight:850;
      margin:0 0 8px;
      color:#0F172A;
    }
    .time-panel p{
      color:var(--muted);
      margin:0 0 18px;
      font-size:14px;
    }
    .slot-list{display:grid;gap:12px}
    .slot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:13px 14px;
      border-radius:18px;
      background:var(--bg-soft);
      border:1px solid rgba(37,99,235,.1);
    }
    .slot strong{display:block;color:#0F172A;font-size:15px}
    .slot span{display:block;color:var(--muted);font-size:13px}
    .slot .status{
      padding:5px 10px;
      border-radius:999px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .card-soft{
      height:100%;
      border:1px solid rgba(148,163,184,.18);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .card-soft:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.28);
    }
    .bento-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      gap:22px;
      margin-top:36px;
    }
    .bento-card{
      position:relative;
      overflow:hidden;
      padding:26px;
      border-radius:26px;
      border:1px solid rgba(148,163,184,.18);
      background:#fff;
      box-shadow:var(--shadow);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .bento-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.28);
    }
    .bento-card.featured{
      grid-row:span 2;
      min-height:430px;
      background:
        radial-gradient(circle at 85% 18%,rgba(6,182,212,.18),transparent 24%),
        linear-gradient(145deg,#EFF6FF 0%,#FFFFFF 62%);
    }
    .bento-card.featured:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-70px;
      width:250px;
      height:250px;
      border-radius:50%;
      border:38px solid rgba(37,99,235,.08);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border-radius:999px;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-weight:800;
      font-size:13px;
    }
    .tag.orange{background:#FEF3C7;color:#B45309}
    .tag.cyan{background:#CFFAFE;color:#0E7490}
    .bento-card h3{
      position:relative;
      z-index:1;
      margin:18px 0 10px;
      color:#0F172A;
      font-size:23px;
      line-height:1.35;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .bento-card.featured h3{font-size:30px;max-width:430px}
    .bento-card p{
      position:relative;
      z-index:1;
      margin:0 0 18px;
      color:var(--muted);
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
      position:relative;
      z-index:1;
    }
    .mini-metric{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(37,99,235,.12);
      color:#334155;
      font-size:13px;
      font-weight:700;
    }
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--brand-dark);
      font-weight:850;
      position:relative;
      z-index:1;
    }
    .arrow-link i{transition:transform var(--transition)}
    .bento-card:hover .arrow-link i{transform:translateX(4px)}
    .compare-wrap{
      padding:34px;
      border-radius:32px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
      margin-top:24px;
    }
    .compare-item{
      padding:22px;
      border-radius:22px;
      background:var(--bg-soft);
      border:1px solid rgba(37,99,235,.1);
      transition:transform var(--transition),background var(--transition),border-color var(--transition);
    }
    .compare-item:hover{
      transform:translateY(-4px);
      background:#fff;
      border-color:rgba(37,99,235,.28);
    }
    .icon-box{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--brand-soft),var(--indigo-soft));
      color:var(--brand-dark);
      font-size:22px;
      margin-bottom:16px;
    }
    .compare-item h3{
      margin:0 0 8px;
      font-size:20px;
      font-weight:850;
      color:#0F172A;
    }
    .compare-item p{margin:0;color:var(--muted)}
    .process{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .process:before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:38px;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--brand-soft),transparent);
      z-index:0;
    }
    .step{
      position:relative;
      z-index:1;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .step:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.28);
    }
    .step-num{
      width:36px;
      height:36px;
      border-radius:13px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      background:var(--brand);
      color:#fff;
      font-weight:900;
      box-shadow:0 10px 22px rgba(37,99,235,.22);
    }
    .step h3{font-size:19px;font-weight:850;margin:0 0 8px;color:#0F172A}
    .step p{color:var(--muted);margin:0;font-size:15px}
    .updates{
      background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%);
      border-top:1px solid rgba(229,234,243,.7);
      border-bottom:1px solid rgba(229,234,243,.7);
    }
    .update-list{
      display:grid;
      gap:16px;
      margin-top:34px;
    }
    .update-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:18px;
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:0 12px 32px rgba(37,99,235,.06);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .update-item:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.28);
    }
    .update-date{
      width:78px;
      height:64px;
      border-radius:18px;
      display:grid;
      place-items:center;
      text-align:center;
      color:var(--brand-dark);
      background:var(--brand-light);
      font-weight:900;
      line-height:1.2;
      flex:0 0 auto;
    }
    .update-date small{display:block;color:var(--muted);font-size:12px;font-weight:700}
    .update-item h3{
      margin:0 0 4px;
      color:#0F172A;
      font-size:19px;
      font-weight:850;
    }
    .update-item p{margin:0;color:var(--muted)}
    .faq-wrap{
      margin-top:34px;
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid rgba(148,163,184,.18)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 32px rgba(37,99,235,.06);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:850;
      color:#0F172A;
      background:#fff;
      box-shadow:none!important;
      border:0;
    }
    .accordion-button:hover{color:var(--brand-dark);background:#FAFCFF}
    .accordion-button:not(.collapsed){
      color:var(--brand-dark);
      background:var(--brand-light);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(37,99,235,.12)!important;
    }
    .accordion-body{
      color:var(--muted);
      padding:4px 22px 22px;
      background:#fff;
    }
    .lead-box{
      position:relative;
      overflow:hidden;
      padding:40px;
      border-radius:34px;
      background:
        radial-gradient(circle at 12% 18%,rgba(37,99,235,.18),transparent 30%),
        radial-gradient(circle at 88% 20%,rgba(6,182,212,.16),transparent 28%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF 58%,#F7FAFF);
      border:1px solid rgba(37,99,235,.14);
      box-shadow:var(--shadow);
    }
    .lead-box:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-70px;
      width:260px;
      height:260px;
      border-radius:50%;
      border:42px solid rgba(37,99,235,.07);
      pointer-events:none;
    }
    .lead-form{
      position:relative;
      z-index:1;
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(148,163,184,.18);
      box-shadow:0 16px 42px rgba(15,23,42,.06);
    }
    .form-label{
      color:#334155;
      font-size:14px;
      font-weight:800;
      margin-bottom:7px;
    }
    .form-control,.form-select{
      min-height:50px;
      border-radius:16px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--text);
      box-shadow:none!important;
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    textarea.form-control{min-height:112px;resize:vertical}
    .form-control:focus,.form-select:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(37,99,235,.12)!important;
    }
    .form-hint{font-size:13px;color:var(--muted);margin-top:12px}
    .footer{
      padding:58px 0 26px;
      background:#fff;
      border-top:1px solid rgba(229,234,243,.9);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#0F172A;
      font-weight:850;
      font-size:20px;
      margin-bottom:14px;
    }
    .footer p{
      max-width:450px;
      color:var(--muted);
      margin:0;
    }
    .footer h4{
      color:#0F172A;
      font-size:16px;
      font-weight:850;
      margin:0 0 14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:650;
    }
    .footer-links a:hover{
      color:var(--brand-dark);
      padding-left:3px;
    }
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
    }
    .copyright a{color:var(--brand-dark);font-weight:800}
    @media (max-width:1199.98px){
      .container{max-width:1040px}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-card.featured{grid-column:span 2;grid-row:auto;min-height:auto}
      .process{grid-template-columns:repeat(2,1fr)}
      .process:before{display:none}
    }
    @media (max-width:991.98px){
      .brand-header .navbar{min-height:70px}
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:22px;
        background:#fff;
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .navbar-nav{gap:4px}
      .nav-search{min-width:0;width:100%;margin:10px 0}
      .page-hero{padding:48px 0}
      .time-panel{margin-top:24px}
      .section{padding:68px 0}
      .compare-row{grid-template-columns:1fr}
      .update-item{grid-template-columns:auto 1fr}
      .update-item .arrow-link{grid-column:2}
      .lead-box{padding:30px}
    }
    @media (max-width:767.98px){
      .navbar-brand{font-size:18px;max-width:75%}
      .brand-mark,.footer-mark{width:38px;height:38px;border-radius:13px}
      .page-hero{min-height:auto;padding:38px 0}
      .hero-tools{padding:12px;border-radius:20px}
      .filter-pills{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .pill{white-space:nowrap}
      .bento-grid{grid-template-columns:1fr;gap:16px}
      .bento-card.featured{grid-column:auto}
      .bento-card,.compare-wrap,.lead-box{border-radius:24px;padding:22px}
      .bento-card.featured h3{font-size:24px}
      .process{grid-template-columns:1fr}
      .update-item{grid-template-columns:1fr;align-items:start}
      .update-item .arrow-link{grid-column:auto}
      .update-date{width:100%;height:auto;min-height:48px;display:flex;gap:6px;justify-content:center}
      .lead-form{padding:18px;border-radius:22px}
      .btn-brand,.btn-ghost{width:100%}
      .section{padding:58px 0}
      .section-sm{padding:46px 0}
      .copyright{display:grid}
    }
    @media (max-width:420px){
      body{line-height:1.68}
      .navbar-brand span:last-child{font-size:16px}
      h1{font-size:32px}
      .hero-lead{font-size:16px}
      .section-title{font-size:27px}
      .bento-card,.compare-wrap,.lead-box,.time-panel{padding:18px}
      .accordion-button{padding:17px 18px}
      .accordion-body{padding:0 18px 18px}
    }

/* roulang page: category2 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --primary-soft:#DBEAFE;
      --primary-lighter:#EFF6FF;
      --indigo-soft:#EEF2FF;
      --cyan:#06B6D4;
      --orange:#F59E0B;
      --text:#1F2937;
      --muted:#64748B;
      --light-muted:#94A3B8;
      --border:#E5EAF3;
      --border-strong:rgba(37,99,235,.22);
      --bg:#FFFFFF;
      --bg-soft:#F7FAFF;
      --card:#FFFFFF;
      --radius-sm:14px;
      --radius:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow:0 16px 40px rgba(37,99,235,.08);
      --shadow-hover:0 22px 54px rgba(37,99,235,.14);
      --shadow-soft:0 10px 28px rgba(15,23,42,.06);
      --max:1200px;
      --trans:220ms 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;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,#F7FAFF 44%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--trans),background var(--trans),border-color var(--trans),transform var(--trans)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:var(--primary-soft);color:var(--primary-dark)}
    .container{max-width:var(--max)}
    .brand-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,234,243,.92);
      box-shadow:0 8px 26px rgba(15,23,42,.035);
    }
    .navbar{min-height:76px;padding:12px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text);
      font-size:19px;
      white-space:normal;
    }
    .brand-mark,.footer-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 24px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:8px 10px;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(37,99,235,.14)}
    .navbar-nav{gap:6px}
    .nav-link{
      position:relative;
      padding:9px 14px!important;
      border-radius:999px;
      color:#475569;
      font-weight:650;
      font-size:15px;
    }
    .nav-link:hover,.nav-link:focus{
      color:var(--primary);
      background:var(--primary-lighter);
    }
    .nav-link.active{
      color:var(--primary-dark)!important;
      background:var(--primary-soft);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:99px;
      background:var(--primary);
    }
    .nav-search{
      height:44px;
      min-width:250px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:999px;
      color:var(--muted);
      transition:border-color var(--trans),box-shadow var(--trans),background var(--trans);
    }
    .nav-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.13);
      background:#fff;
    }
    .nav-search input{
      border:0;
      outline:0;
      width:100%;
      min-width:0;
      color:var(--text);
      background:transparent;
      font-size:14px;
    }
    .nav-search input::placeholder{color:#94A3B8}
    .btn-brand,.btn-ghost,.btn-soft{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:750;
      transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-brand{
      background:var(--primary);
      color:#fff!important;
      padding:12px 22px;
      box-shadow:0 14px 28px rgba(37,99,235,.22);
    }
    .btn-brand:hover,.btn-brand:focus{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(37,99,235,.28);
    }
    .btn-ghost{
      background:#fff;
      color:var(--primary-dark);
      border-color:rgba(37,99,235,.18);
      padding:12px 20px;
    }
    .btn-ghost:hover,.btn-ghost:focus{
      background:var(--primary-lighter);
      border-color:rgba(37,99,235,.34);
      transform:translateY(-2px);
    }
    .btn-soft{
      background:var(--primary-lighter);
      color:var(--primary-dark);
      padding:9px 15px;
      font-size:14px;
    }
    .btn-soft:hover{background:var(--primary-soft);transform:translateY(-1px)}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(219,234,254,.74);
      color:var(--primary-dark);
      font-weight:750;
      font-size:13px;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(37,99,235,.16);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
    }
    .tag.alt{color:#0E7490;background:#ECFEFF;border-color:rgba(6,182,212,.2)}
    .tag.warn{color:#B45309;background:#FFFBEB;border-color:rgba(245,158,11,.25)}
    .page-hero{
      position:relative;
      padding:54px 0 46px;
      overflow:hidden;
      background:
        radial-gradient(circle at 14% 15%,rgba(37,99,235,.14),transparent 30%),
        radial-gradient(circle at 86% 0%,rgba(6,182,212,.12),transparent 26%),
        linear-gradient(135deg,#FFFFFF 0%,#F7FAFF 58%,#EEF6FF 100%);
      border-bottom:1px solid rgba(229,234,243,.9);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.45),transparent 74%);
      pointer-events:none;
    }
    .page-hero .container{position:relative;z-index:1}
    .breadcrumb{
      --bs-breadcrumb-divider:"›";
      margin-bottom:18px;
      font-size:14px;
    }
    .breadcrumb a{color:var(--muted);font-weight:650}
    .breadcrumb a:hover{color:var(--primary)}
    .breadcrumb .active{color:var(--primary-dark);font-weight:750}
    .hero-title{
      font-size:clamp(34px,4.4vw,54px);
      line-height:1.14;
      font-weight:820;
      letter-spacing:-.04em;
      margin:0 0 18px;
      color:#111827;
    }
    .hero-lead{
      max-width:720px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .hero-form-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(148,163,184,.2);
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      padding:22px;
    }
    .quick-question{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:linear-gradient(135deg,#fff,var(--primary-lighter));
      border:1px solid rgba(37,99,235,.12);
      margin-bottom:14px;
    }
    .quick-question i{
      width:38px;height:38px;border-radius:14px;
      background:var(--primary);
      color:#fff;
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .quick-question strong{display:block;font-size:16px;margin-bottom:2px}
    .quick-question span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
    .filter-panel{
      margin-top:26px;
      padding:14px;
      border:1px solid rgba(148,163,184,.18);
      border-radius:22px;
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow-soft);
    }
    .filter-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr auto;
      gap:12px;
      align-items:center;
    }
    .form-control,.form-select{
      min-height:48px;
      border-radius:15px;
      border:1px solid var(--border);
      color:var(--text);
      box-shadow:none!important;
      background-color:#fff;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.14)!important;
    }
    .content-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 342px;
      gap:30px;
      align-items:start;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:20px;
      margin-bottom:26px;
    }
    .section-head h2{
      font-size:clamp(28px,3vw,38px);
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.03em;
      margin:0;
    }
    .section-head p{
      max-width:560px;
      color:var(--muted);
      margin:8px 0 0;
    }
    .list-stack{display:grid;gap:18px}
    .consult-card{
      position:relative;
      display:grid;
      grid-template-columns:76px minmax(0,1fr);
      gap:18px;
      padding:22px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
      overflow:hidden;
    }
    .consult-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.28);
    }
    .icon-tile{
      width:76px;
      height:76px;
      border-radius:24px;
      background:
        radial-gradient(circle at 30% 25%,rgba(255,255,255,.9),transparent 28%),
        linear-gradient(135deg,var(--primary-soft),var(--indigo-soft));
      color:var(--primary-dark);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:28px;
      border:1px solid rgba(37,99,235,.13);
    }
    .consult-card h3{
      font-size:21px;
      line-height:1.35;
      margin:8px 0 8px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .consult-card p{color:var(--muted);margin:0 0 14px}
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .point-list{
      list-style:none;
      margin:0 0 18px;
      padding:0;
      display:grid;
      gap:8px;
    }
    .point-list li{
      display:flex;
      gap:8px;
      align-items:flex-start;
      color:#334155;
      font-size:14px;
      line-height:1.65;
    }
    .point-list i{color:var(--primary);margin-top:3px}
    .card-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .aside{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      padding:22px;
    }
    .side-card.gradient{
      background:
        radial-gradient(circle at 85% 16%,rgba(6,182,212,.16),transparent 28%),
        linear-gradient(135deg,#fff 0%,#EFF6FF 100%);
    }
    .side-card h3{
      font-size:20px;
      font-weight:800;
      margin:0 0 10px;
    }
    .side-card p{color:var(--muted);margin:0 0 16px}
    .timeline-mini{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:32px 1fr;
      gap:10px;
      align-items:start;
    }
    .timeline-item span{
      width:32px;height:32px;border-radius:12px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      display:flex;align-items:center;justify-content:center;
      font-weight:800;
      font-size:13px;
    }
    .timeline-item strong{display:block;font-size:14px;margin-bottom:1px}
    .timeline-item small{display:block;color:var(--muted);line-height:1.5}
    .mini-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .mini-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:var(--bg-soft);
      border:1px solid rgba(148,163,184,.14);
      color:#334155;
      font-weight:700;
    }
    .mini-links a:hover{
      color:var(--primary-dark);
      background:var(--primary-lighter);
      border-color:rgba(37,99,235,.24);
      transform:translateX(2px);
    }
    .process-band{
      background:linear-gradient(135deg,#F7FAFF,#FFFFFF);
      border-top:1px solid rgba(229,234,243,.8);
      border-bottom:1px solid rgba(229,234,243,.8);
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-card{
      position:relative;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow-soft);
      transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
    }
    .process-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(37,99,235,.24);
    }
    .process-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;height:42px;
      border-radius:15px;
      margin-bottom:18px;
      background:var(--primary);
      color:#fff;
      font-weight:850;
      box-shadow:0 12px 24px rgba(37,99,235,.2);
    }
    .process-card h3{font-size:18px;font-weight:800;margin:0 0 8px}
    .process-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .trust-strip{
      display:grid;
      grid-template-columns:1.15fr repeat(3,1fr);
      gap:16px;
      padding:18px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,#EFF6FF,#fff);
      border:1px solid rgba(37,99,235,.13);
      box-shadow:var(--shadow);
    }
    .trust-lead{
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(148,163,184,.15);
    }
    .trust-lead h2{font-size:28px;font-weight:820;line-height:1.25;margin:0 0 8px}
    .trust-lead p{color:var(--muted);margin:0}
    .trust-item{
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(148,163,184,.14);
    }
    .trust-item i{
      width:42px;height:42px;border-radius:15px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      display:flex;align-items:center;justify-content:center;
      font-size:20px;
      margin-bottom:14px;
    }
    .trust-item strong{display:block;font-size:17px;margin-bottom:5px}
    .trust-item span{display:block;color:var(--muted);font-size:14px;line-height:1.6}
    .faq-wrap{
      max-width:930px;
      margin:0 auto;
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid rgba(148,163,184,.18)!important;
      border-radius:22px!important;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:800;
      color:var(--text);
      background:#fff;
      box-shadow:none!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-lighter);
    }
    .accordion-button:hover{background:#F8FBFF}
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(37,99,235,.12)!important}
    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      background:linear-gradient(180deg,var(--primary-lighter),#fff);
    }
    .lead-cta{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 18% 12%,rgba(37,99,235,.18),transparent 28%),
        radial-gradient(circle at 88% 70%,rgba(6,182,212,.14),transparent 28%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF 68%);
      border:1px solid rgba(37,99,235,.16);
      box-shadow:var(--shadow);
      padding:34px;
      overflow:hidden;
    }
    .lead-cta h2{
      font-size:clamp(28px,3vw,40px);
      font-weight:850;
      line-height:1.22;
      letter-spacing:-.03em;
      margin:0 0 12px;
    }
    .lead-cta p{color:var(--muted);margin:0 0 22px}
    .lead-form{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(148,163,184,.2);
      border-radius:28px;
      padding:22px;
      box-shadow:var(--shadow-soft);
    }
    .lead-form label{
      color:#334155;
      font-weight:700;
      font-size:14px;
      margin-bottom:7px;
    }
    .lead-form textarea{min-height:112px;resize:vertical}
    .footer{
      background:#fff;
      border-top:1px solid rgba(229,234,243,.95);
      padding:54px 0 26px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:20px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer p{color:var(--muted);max-width:480px;margin:0}
    .footer h4{
      font-size:16px;
      font-weight:850;
      margin:0 0 14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:650;
    }
    .footer-links a:hover{
      color:var(--primary);
      padding-left:3px;
    }
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
    }
    .copyright a{color:var(--primary-dark);font-weight:700}
    @media (max-width:1199.98px){
      .container{max-width:1080px}
      .nav-search{min-width:210px}
      .content-shell{grid-template-columns:minmax(0,1fr) 310px;gap:22px}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .trust-strip{grid-template-columns:1fr 1fr}
    }
    @media (max-width:991.98px){
      .navbar{min-height:68px}
      .navbar-collapse{
        padding:16px 0 8px;
        border-top:1px solid var(--border);
        margin-top:12px;
      }
      .navbar-nav{margin-bottom:14px!important}
      .nav-search{min-width:100%;margin-bottom:12px}
      .btn-brand{width:100%}
      .page-hero{padding:42px 0 38px}
      .hero-form-card{margin-top:24px}
      .filter-grid{grid-template-columns:1fr 1fr}
      .filter-grid .btn-brand{width:100%}
      .content-shell{grid-template-columns:1fr}
      .aside{position:static;top:auto;grid-template-columns:1fr 1fr}
      .section{padding:66px 0}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:767.98px){
      body{font-size:15px}
      .navbar-brand{font-size:17px;max-width:calc(100% - 64px)}
      .brand-mark,.footer-mark{width:38px;height:38px;border-radius:14px}
      .hero-title{font-size:34px}
      .hero-lead{font-size:16px}
      .filter-grid{grid-template-columns:1fr}
      .consult-card{grid-template-columns:1fr;padding:20px}
      .icon-tile{width:64px;height:64px;border-radius:20px;font-size:24px}
      .card-actions .btn-brand,.card-actions .btn-ghost,.card-actions .btn-soft{width:100%}
      .aside{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .trust-strip{grid-template-columns:1fr;border-radius:28px}
      .lead-cta{padding:24px;border-radius:28px}
      .lead-form{padding:18px;border-radius:22px}
      .copyright{flex-direction:column}
    }
    @media (max-width:420px){
      .section{padding:54px 0}
      .page-hero{padding:34px 0}
      .hero-title{font-size:30px;letter-spacing:-.03em}
      .section-head h2,.trust-lead h2{font-size:26px}
      .hero-form-card,.side-card,.consult-card{border-radius:22px;padding:18px}
      .tag{font-size:12px;padding:6px 10px}
      .accordion-button{padding:18px}
      .accordion-body{padding:0 18px 18px}
    }