/* roulang page: index */
:root{
      --brand:#2563eb;
      --brand-dark:#1d4ed8;
      --brand-soft:#eef4ff;
      --accent:#06b6d4;
      --warm:#f59e0b;
      --bg:#f6f9ff;
      --bg-soft:#f8fbff;
      --card:#ffffff;
      --line:#dfe8fb;
      --line-strong:#cfe0fb;
      --text:#17304f;
      --muted:#6c7e95;
      --shadow:0 18px 45px rgba(37,99,235,.08);
      --shadow-sm:0 10px 28px rgba(37,99,235,.06);
      --radius:24px;
      --radius-lg:32px;
      --radius-sm:16px;
      --container:1180px;
      --transition:.25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(37,99,235,.08), transparent 32%),
        radial-gradient(circle at 92% 8%, rgba(6,182,212,.09), transparent 28%),
        linear-gradient(180deg, #f9fbff 0%, #f6f9ff 36%, #f8fbff 100%);
      line-height:1.85;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(37,99,235,.16);color:var(--text)}
    .container{
      max-width:var(--container);
    }
    .section-pad{
      padding:88px 0;
      position:relative;
    }
    .section-pad.sm-pad{padding:72px 0}
    .bg-soft{
      background:linear-gradient(180deg, rgba(255,255,255,.72), rgba(248,251,255,.95));
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.42rem .9rem;
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:var(--brand-dark);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.02em;
      border:1px solid rgba(37,99,235,.12);
      margin-bottom:1rem;
      white-space:nowrap;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow:0 0 0 4px rgba(37,99,235,.09);
      flex:0 0 auto;
    }
    .section-title{
      margin-bottom:1.5rem;
    }
    .section-title h2{
      font-size:clamp(1.7rem, 2.5vw, 2.5rem);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0 0 .8rem;
    }
    .section-title p{
      color:var(--muted);
      font-size:1.02rem;
      margin:0;
      max-width:760px;
    }
    .soft-card,
    .hero-shell,
    .cta-panel,
    .trust-card,
    .news-card,
    .mosaic-card,
    .bento-card,
    .step-card,
    .faq-wrap,
    .category-card{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,251,255,.96));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .soft-card:hover,
    .news-card:hover,
    .category-card:hover,
    .mosaic-card:hover,
    .step-card:hover,
    .trust-card:hover{
      transform:translateY(-4px);
      box-shadow:0 22px 54px rgba(37,99,235,.12);
      border-color:var(--line-strong);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:saturate(140%);
    }
    .topbar{
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(223,232,251,.9);
      font-size:.88rem;
    }
    .topbar-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:var(--muted);
    }
    .topbar .status-line{
      display:flex;
      align-items:center;
      gap:.55rem;
      flex-wrap:wrap;
    }
    .navbar-wrap{
      background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(223,232,251,.9);
      transition:var(--transition);
    }
    .navbar-wrap.scrolled{
      box-shadow:0 12px 30px rgba(37,99,235,.08);
    }
    .navbar{
      padding:1rem 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:.8rem;
      font-weight:800;
      color:var(--text);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--brand), #4f8cff);
      color:#fff;
      box-shadow:0 12px 26px rgba(37,99,235,.25);
      font-size:.95rem;
      flex:0 0 auto;
    }
    .brand-text{
      font-size:1.05rem;
      line-height:1.2;
    }
    .brand-sub{
      display:block;
      color:var(--muted);
      font-weight:600;
      font-size:.8rem;
      margin-top:.1rem;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:.62rem .75rem;
      box-shadow:none !important;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 .2rem rgba(37,99,235,.15) !important;
    }
    .navbar-nav{
      gap:.35rem;
    }
    .nav-link{
      color:var(--muted);
      font-weight:700;
      padding:.7rem .95rem !important;
      border-radius:999px;
      position:relative;
      transition:var(--transition);
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--brand-dark);
      background:rgba(37,99,235,.06);
    }
    .nav-link.active{
      color:var(--brand-dark);
      background:rgba(37,99,235,.1);
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.10);
    }
    .nav-link:focus-visible,
    .btn:focus-visible,
    .form-control:focus{
      outline:none;
      box-shadow:0 0 0 .22rem rgba(37,99,235,.16);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:.75rem;
      flex-wrap:wrap;
    }
    .badge-pill,
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.35rem .72rem;
      border-radius:999px;
      font-size:.82rem;
      font-weight:700;
      line-height:1;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .badge-pill.blue{
      background:#eef4ff;
      color:var(--brand-dark);
      border-color:#d9e6ff;
    }
    .badge-pill.cyan{
      background:#edfdfa;
      color:#0f766e;
      border-color:#d2f4ee;
    }
    .badge-pill.warm{
      background:#fff7e8;
      color:#b45309;
      border-color:#ffe1ad;
    }
    .badge-pill.soft{
      background:#f7faff;
      color:#5b6f8a;
      border-color:#e4edf9;
    }
    .btn-brand,
    .btn-brand-outline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      border-radius:999px;
      font-weight:800;
      padding:.88rem 1.22rem;
      transition:var(--transition);
      border:1px solid transparent;
      box-shadow:none;
    }
    .btn-brand{
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-dark));
      box-shadow:0 14px 30px rgba(37,99,235,.18);
    }
    .btn-brand:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(37,99,235,.22);
    }
    .btn-brand-outline{
      color:var(--brand-dark);
      background:#fff;
      border-color:rgba(37,99,235,.18);
    }
    .btn-brand-outline:hover{
      color:var(--brand-dark);
      background:#f4f8ff;
      transform:translateY(-2px);
      border-color:rgba(37,99,235,.28);
    }
    .icon-dot{
      width:14px;
      height:14px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow:0 0 0 4px rgba(37,99,235,.08);
      flex:0 0 auto;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:34px;
    }
    .hero-shell::before,
    .hero-shell::after{
      content:"";
      position:absolute;
      border-radius:50%;
      pointer-events:none;
      filter:blur(2px);
    }
    .hero-shell::before{
      width:300px;
      height:300px;
      right:-120px;
      top:-120px;
      background:radial-gradient(circle, rgba(37,99,235,.14) 0%, rgba(37,99,235,.05) 42%, transparent 70%);
    }
    .hero-shell::after{
      width:220px;
      height:220px;
      left:-90px;
      bottom:-80px;
      background:radial-gradient(circle, rgba(6,182,212,.12) 0%, rgba(6,182,212,.05) 45%, transparent 70%);
    }
    .hero-copy{
      position:relative;
      z-index:1;
      padding:10px 0;
    }
    .hero-copy h1{
      font-size:clamp(2rem, 4vw, 3.55rem);
      line-height:1.16;
      font-weight:800;
      letter-spacing:-.03em;
      margin:0 0 1rem;
    }
    .hero-copy p{
      font-size:1.05rem;
      color:var(--muted);
      margin:0 0 1.4rem;
      max-width:36rem;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:.85rem;
      flex-wrap:wrap;
      margin-bottom:1.3rem;
    }
    .hero-metrics{
      display:flex;
      flex-wrap:wrap;
      gap:.65rem;
      margin-top:1rem;
    }
    .metric-chip{
      padding:.62rem .85rem;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      color:var(--text);
      font-size:.92rem;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:.4rem;
    }
    .metric-chip span{
      color:var(--brand-dark);
      font-weight:800;
    }
    .hero-side{
      position:relative;
      z-index:1;
    }
    .bento-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:14px;
    }
    .bento-card{
      padding:18px;
      min-height:132px;
      transition:var(--transition);
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .bento-card.featured{
      grid-column:1 / -1;
      min-height:164px;
      background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(255,255,255,.98));
    }
    .bento-card .mini-label{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      font-size:.78rem;
      font-weight:800;
      color:var(--brand-dark);
      margin-bottom:.8rem;
      text-transform:none;
    }
    .bento-card h3{
      font-size:1.08rem;
      line-height:1.35;
      margin:0 0 .4rem;
      font-weight:800;
      letter-spacing:-.01em;
    }
    .bento-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .bento-card .arrow{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      margin-top:.9rem;
      color:var(--brand-dark);
      font-weight:800;
      font-size:.92rem;
    }
    .bento-card:hover{
      transform:translateY(-4px);
      border-color:#cfe0fb;
      box-shadow:0 24px 52px rgba(37,99,235,.12);
    }
    .hero-strip{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
      align-items:center;
      padding-top:18px;
      border-top:1px dashed rgba(223,232,251,.95);
      position:relative;
      z-index:1;
    }
    .hero-strip .small-note{
      color:var(--muted);
      font-size:.92rem;
      margin-right:.25rem;
    }
    .step-card{
      padding:24px;
      height:100%;
      transition:var(--transition);
    }
    .step-index{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(37,99,235,.13), rgba(6,182,212,.11));
      color:var(--brand-dark);
      font-weight:900;
      margin-bottom:1rem;
    }
    .step-card h3{
      font-size:1.12rem;
      margin:0 0 .65rem;
      font-weight:800;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
      line-height:1.75;
    }
    .step-card .mini-link{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      margin-top:1rem;
      color:var(--brand-dark);
      font-weight:800;
      font-size:.93rem;
    }
    .mosaic-grid{
      display:grid;
      gap:18px;
      grid-template-columns:repeat(12, minmax(0, 1fr));
    }
    .mosaic-card{
      position:relative;
      overflow:hidden;
      padding:24px;
      transition:var(--transition);
      min-height:220px;
    }
    .mosaic-card .card-chip{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      border-radius:999px;
      background:#eef4ff;
      color:var(--brand-dark);
      padding:.33rem .7rem;
      font-size:.78rem;
      font-weight:800;
      margin-bottom:1rem;
    }
    .mosaic-card h3{
      margin:0 0 .65rem;
      font-weight:800;
      font-size:1.2rem;
      line-height:1.32;
    }
    .mosaic-card p{
      color:var(--muted);
      margin:0 0 1rem;
      font-size:.96rem;
      line-height:1.75;
      max-width:34rem;
    }
    .mosaic-card .card-action{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:var(--brand-dark);
      font-weight:800;
      margin-top:auto;
    }
    .mosaic-card .visual{
      position:absolute;
      right:18px;
      top:18px;
      width:84px;
      height:84px;
      border-radius:24px;
      background:linear-gradient(145deg, rgba(37,99,235,.11), rgba(6,182,212,.08));
      border:1px solid rgba(37,99,235,.12);
    }
    .mosaic-card.feature{
      grid-column:span 7;
      min-height:280px;
      background:linear-gradient(135deg, rgba(255,255,255,.98), rgba(235,244,255,.88));
    }
    .mosaic-card.side{
      grid-column:span 5;
      min-height:280px;
      background:linear-gradient(135deg, rgba(255,255,255,.98), rgba(238,253,250,.9));
    }
    .mosaic-card.small{
      grid-column:span 4;
      min-height:220px;
      background:#fff;
    }
    .mosaic-card.small .visual{
      width:68px;
      height:68px;
      border-radius:20px;
    }
    .mosaic-card:hover .visual{
      transform:rotate(6deg) scale(1.03);
      transition:var(--transition);
    }
    .news-card{
      padding:24px;
      height:100%;
    }
    .news-list{
      list-style:none;
      padding:0;
      margin:0;
    }
    .news-list li{
      padding:1rem 0;
      border-bottom:1px solid rgba(223,232,251,.9);
    }
    .news-list li:first-child{
      padding-top:0;
    }
    .news-list li:last-child{
      border-bottom:0;
      padding-bottom:0;
    }
    .news-list a{
      display:block;
      transition:var(--transition);
    }
    .news-list a:hover{
      transform:translateX(4px);
    }
    .news-title{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:1rem;
      font-weight:800;
      margin-bottom:.32rem;
      line-height:1.45;
    }
    .news-meta{
      display:flex;
      align-items:center;
      gap:.5rem;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.88rem;
    }
    .news-meta .tag{
      padding:.2rem .55rem;
      border-radius:999px;
      background:#f3f7ff;
      color:var(--brand-dark);
      border:1px solid #dbe7fb;
      font-weight:700;
      font-size:.78rem;
    }
    .insight-stack{
      display:grid;
      gap:14px;
    }
    .insight-card{
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, #fff, #f8fbff);
      box-shadow:var(--shadow-sm);
    }
    .insight-card .quote{
      color:var(--text);
      font-weight:700;
      margin:0 0 .55rem;
      line-height:1.7;
    }
    .insight-card .author{
      color:var(--muted);
      font-size:.9rem;
      margin:0;
    }
    .trust-grid{
      display:grid;
      gap:18px;
      grid-template-columns:repeat(12, minmax(0,1fr));
    }
    .trust-card{
      padding:22px;
      height:100%;
      transition:var(--transition);
    }
    .trust-card .trust-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }
    .trust-card h3{
      font-size:1.06rem;
      font-weight:800;
      margin:0;
    }
    .trust-card p{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
      line-height:1.75;
    }
    .trust-card .trust-icon{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.1));
      color:var(--brand-dark);
      font-weight:900;
      flex:0 0 auto;
    }
    .trust-card.grid-4{
      grid-column:span 4;
    }
    .trust-card.grid-8{
      grid-column:span 8;
    }
    .trust-bar{
      display:flex;
      flex-wrap:wrap;
      gap:.7rem;
      margin-bottom:1.2rem;
    }
    .trust-bar .pill{
      padding:.58rem .82rem;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--text);
      font-size:.9rem;
      font-weight:700;
      box-shadow:var(--shadow-sm);
    }
    .trust-bar .pill span{
      color:var(--brand-dark);
      font-weight:800;
    }
    .faq-wrap{
      padding:24px;
    }
    .accordion{
      --bs-accordion-border-color: transparent;
      --bs-accordion-btn-focus-box-shadow: none;
      --bs-accordion-active-bg: #eef4ff;
      --bs-accordion-btn-bg: #ffffff;
      --bs-accordion-bg: #ffffff;
      --bs-accordion-btn-color: var(--text);
      --bs-accordion-active-color: var(--brand-dark);
      --bs-accordion-inner-border-radius: 16px;
      --bs-accordion-border-radius: 18px;
    }
    .accordion-item{
      border:1px solid var(--line) !important;
      border-radius:18px !important;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      margin-bottom:12px;
    }
    .accordion-button{
      padding:1rem 1.15rem;
      font-weight:800;
      line-height:1.5;
      color:var(--text);
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      background:#eef4ff;
      color:var(--brand-dark);
    }
    .accordion-body{
      color:var(--muted);
      padding:1rem 1.15rem 1.1rem;
      line-height:1.8;
    }
    .category-grid{
      display:grid;
      gap:18px;
      grid-template-columns:repeat(12, minmax(0,1fr));
    }
    .category-card{
      padding:24px;
      transition:var(--transition);
      min-height:100%;
    }
    .category-card .cat-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }
    .category-card h3{
      font-size:1.15rem;
      margin:0 0 .6rem;
      font-weight:800;
      line-height:1.35;
    }
    .category-card p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:.96rem;
    }
    .category-card .cat-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.1));
      color:var(--brand-dark);
      font-weight:900;
      flex:0 0 auto;
    }
    .category-card .card-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-top:1.15rem;
      padding-top:1rem;
      border-top:1px solid rgba(223,232,251,.9);
    }
    .category-card .bottom-link{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:var(--brand-dark);
      font-weight:800;
    }
    .category-card .mini-badge{
      padding:.3rem .58rem;
      border-radius:999px;
      background:#f4f8ff;
      border:1px solid #dbe7fb;
      color:#5d7290;
      font-size:.77rem;
      font-weight:800;
    }
    .category-card.col-4{
      grid-column:span 4;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:28px;
      background:
        linear-gradient(135deg, rgba(37,99,235,.08), rgba(255,255,255,.98) 56%),
        linear-gradient(180deg, #fff, #f8fbff);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-90px;
      bottom:-100px;
      width:280px;
      height:280px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(37,99,235,.12) 0%, rgba(37,99,235,.05) 42%, transparent 72%);
      pointer-events:none;
    }
    .cta-panel h2{
      font-size:clamp(1.6rem, 3vw, 2.3rem);
      line-height:1.2;
      font-weight:800;
      margin:0 0 .85rem;
      letter-spacing:-.02em;
    }
    .cta-panel p{
      margin:0 0 1.2rem;
      color:var(--muted);
      max-width:42rem;
    }
    .cta-form{
      position:relative;
      z-index:1;
    }
    .form-control{
      border-radius:14px;
      border:1px solid #d8e4f8;
      padding:.92rem 1rem;
      background:#fff;
      color:var(--text);
      box-shadow:none !important;
      transition:var(--transition);
    }
    .form-control::placeholder{
      color:#93a4bd;
    }
    .form-control:focus{
      border-color:#b9cdf4;
      background:#fff;
    }
    .cta-note{
      margin-top:1rem;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.75;
    }
    .footer{
      background:linear-gradient(180deg, rgba(248,251,255,.96), rgba(243,247,254,.96));
      border-top:1px solid rgba(223,232,251,.92);
      padding:42px 0 28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:.8rem;
      font-weight:800;
      color:var(--text);
      margin-bottom:1rem;
    }
    .footer-brand .brand-mark{
      width:44px;height:44px;border-radius:14px;
    }
    .footer p{
      color:var(--muted);
      margin:0;
      line-height:1.8;
      font-size:.95rem;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem 1rem;
      margin-top:.9rem;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:700;
      transition:var(--transition);
    }
    .footer-links a:hover{
      color:var(--brand-dark);
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem .75rem;
      align-items:center;
      justify-content:flex-end;
      color:var(--muted);
      font-size:.9rem;
    }
    .footer-meta .inline-tag{
      padding:.32rem .65rem;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      font-weight:700;
    }
    .line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(223,232,251,.95), transparent);
      margin:20px 0;
    }
    .anchor-float{
      color:var(--brand-dark);
      font-weight:800;
    }
    .small-muted{
      color:var(--muted);
    }
    .link-card{
      display:block;
      height:100%;
    }
    .link-card:hover .arrow{
      transform:translateX(3px);
    }
    .arrow{
      transition:var(--transition);
    }

    @media (max-width: 1199.98px){
      .hero-shell{padding:28px}
      .mosaic-card.feature,
      .mosaic-card.side,
      .mosaic-card.small,
      .trust-card.grid-4,
      .trust-card.grid-8,
      .category-card.col-4{
        grid-column:span 12;
      }
    }
    @media (max-width: 991.98px){
      .section-pad{padding:64px 0}
      .navbar-collapse{
        margin-top:1rem;
        padding:1rem;
        border:1px solid var(--line);
        border-radius:22px;
        background:rgba(255,255,255,.98);
        box-shadow:var(--shadow-sm);
      }
      .header-actions{
        margin-top:1rem;
      }
      .hero-copy{
        padding-top:0;
      }
      .hero-copy h1{
        font-size:clamp(1.9rem, 7vw, 3rem);
      }
      .hero-actions{
        gap:.7rem;
      }
      .bento-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .mosaic-grid,
      .trust-grid,
      .category-grid{
        grid-template-columns:1fr;
      }
      .footer-meta{
        justify-content:flex-start;
        margin-top:1rem;
      }
    }
    @media (max-width: 767.98px){
      .topbar-inner{
        min-height:auto;
        padding:.65rem 0;
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-shell{
        padding:22px;
        border-radius:28px;
      }
      .section-title h2{
        font-size:1.58rem;
      }
      .hero-copy p,
      .section-title p{
        font-size:.98rem;
      }
      .hero-actions,
      .header-actions{
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:.65rem;
        width:100%;
      }
      .hero-actions .btn-brand,
      .hero-actions .btn-brand-outline,
      .header-actions .btn-brand,
      .header-actions .btn-brand-outline,
      .cta-form .btn-brand{
        width:100%;
        justify-content:center;
      }
      .bento-grid{
        gap:12px;
      }
      .bento-card{
        min-height:124px;
      }
      .bento-card.featured{
        min-height:152px;
      }
      .news-title{
        flex-direction:column;
        gap:.4rem;
      }
      .cta-panel{
        padding:22px;
      }
      .cta-form .row{
        --bs-gutter-y: .8rem;
      }
    }
    @media (max-width: 575.98px){
      .section-pad{padding:54px 0}
      .topbar{
        font-size:.8rem;
      }
      .brand-text{
        font-size:1rem;
      }
      .brand-sub{
        font-size:.75rem;
      }
      .hero-copy h1{
        font-size:1.95rem;
      }
      .hero-actions,
      .header-actions{
        grid-template-columns:1fr;
      }
      .metric-chip{
        width:100%;
        justify-content:flex-start;
      }
      .bento-grid{
        grid-template-columns:1fr;
      }
      .bento-card.featured{
        grid-column:auto;
      }
      .mosaic-card,
      .trust-card,
      .step-card,
      .news-card,
      .category-card,
      .faq-wrap{
        border-radius:22px;
      }
      .cta-panel h2{
        font-size:1.55rem;
      }
      .footer{
        padding-top:34px;
      }
    }

/* roulang page: category1 */
:root{
      --brand:#2563EB;
      --brand-dark:#1D4ED8;
      --brand-soft:#EEF4FF;
      --cyan:#06B6D4;
      --cyan-soft:#E9FBFF;
      --warm:#F59E0B;
      --warm-soft:#FFF7E8;
      --bg:#F6F9FF;
      --bg-2:#F8FAFC;
      --white:#FFFFFF;
      --text:#172033;
      --muted:#667085;
      --light-muted:#8A97AA;
      --border:#E2EAF8;
      --border-strong:#C9D8F2;
      --shadow:0 18px 45px rgba(37,99,235,.08);
      --shadow-lg:0 26px 70px rgba(37,99,235,.13);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --radius-pill:999px;
      --container:1160px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(37,99,235,.12), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(6,182,212,.10), transparent 26%),
        linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 42%,#F6F9FF 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--brand)}
    img{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{max-width:var(--container)}
    .section{padding:84px 0}
    .section-tight{padding:64px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      background:var(--brand-soft);
      border:1px solid #DCE7FF;
      border-radius:var(--radius-pill);
      padding:7px 13px;
      font-weight:700;
      font-size:13px;
      margin-bottom:14px;
    }
    h1,h2,h3,h4{letter-spacing:-.02em;color:#111827}
    h1{
      font-size:clamp(2rem,4vw,3.05rem);
      line-height:1.18;
      font-weight:800;
      margin:0 0 18px;
    }
    h2{
      font-size:clamp(1.65rem,3vw,2.25rem);
      line-height:1.25;
      font-weight:800;
      margin:0 0 14px;
    }
    h3{font-size:1.16rem;font-weight:750;line-height:1.38;margin:0 0 9px}
    p{margin-top:0}
    .lead-text{
      font-size:1.05rem;
      color:var(--muted);
      line-height:1.9;
      margin-bottom:0;
    }
    .small-muted{color:var(--muted);font-size:.92rem}
    .site-header{
      position:sticky;
      top:0;
      z-index:1020;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid rgba(226,234,248,.9);
      box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    .topbar{
      background:linear-gradient(90deg,#F3F7FF 0%,#FFFFFF 58%,#F0FBFF 100%);
      border-bottom:1px solid var(--border);
      font-size:.86rem;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:7px;
      padding-bottom:7px;
    }
    .status-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
    }
    .badge-pill,.inline-tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:var(--radius-pill);
      font-weight:700;
      white-space:nowrap;
    }
    .badge-pill{padding:5px 10px;font-size:.78rem;border:1px solid transparent}
    .badge-pill.warm{color:#A15C00;background:var(--warm-soft);border-color:#FFE2B7}
    .badge-pill.blue{color:var(--brand-dark);background:var(--brand-soft);border-color:#D8E5FF}
    .badge-pill.cyan{color:#047B93;background:var(--cyan-soft);border-color:#BFF3FF}
    .badge-pill.soft{color:#526071;background:#F3F6FB;border-color:#E2E8F0}
    .navbar-wrap{background:rgba(255,255,255,.95)}
    .navbar{padding:14px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:245px;
      margin-right:20px;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:800;
      letter-spacing:.03em;
      background:linear-gradient(135deg,var(--brand),var(--cyan));
      box-shadow:0 12px 26px rgba(37,99,235,.20);
      flex:0 0 46px;
    }
    .brand-text{display:block;font-size:1.04rem;font-weight:800;color:#101828;line-height:1.15}
    .brand-sub{display:block;font-size:.77rem;color:var(--muted);margin-top:4px;font-weight:600}
    .navbar-nav{gap:8px}
    .nav-link{
      color:#344054;
      font-weight:700;
      font-size:.95rem;
      border-radius:var(--radius-pill);
      padding:9px 14px!important;
      position:relative;
    }
    .nav-link:hover,.nav-link:focus{
      color:var(--brand);
      background:var(--brand-soft);
    }
    .nav-link.active{
      color:var(--brand-dark)!important;
      background:#EAF1FF;
      box-shadow:inset 0 0 0 1px #D8E5FF;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(37,99,235,.14)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .btn{
      border-radius:var(--radius-pill);
      font-weight:800;
      padding:11px 18px;
      border-width:1px;
      transition:var(--ease);
      line-height:1.2;
    }
    .btn:focus-visible,.form-control:focus{
      outline:none;
      box-shadow:0 0 0 4px rgba(37,99,235,.14);
      border-color:#9DB9FF;
    }
    .btn-brand{
      color:#fff!important;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      border-color:transparent;
      box-shadow:0 14px 30px rgba(37,99,235,.22);
    }
    .btn-brand:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.28);background:linear-gradient(135deg,#2F6FED,#1D4ED8)}
    .btn-brand-outline{
      color:var(--brand-dark);
      background:#fff;
      border-color:#CFE0FF;
    }
    .btn-brand-outline:hover{color:var(--brand-dark);background:var(--brand-soft);border-color:#AFC7FF;transform:translateY(-2px)}
    .btn-soft{
      color:var(--brand-dark);
      background:var(--brand-soft);
      border-color:#D8E5FF;
    }
    .btn-soft:hover{background:#E3EDFF;transform:translateY(-2px)}
    .inner-hero{
      position:relative;
      padding:58px 0 74px;
      overflow:hidden;
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:22px 4% auto auto;
      width:360px;
      height:360px;
      background:radial-gradient(circle,rgba(6,182,212,.15),transparent 65%);
      pointer-events:none;
    }
    .breadcrumb-wrap{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border:1px solid var(--border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 24px rgba(37,99,235,.05);
      margin-bottom:22px;
      font-size:.9rem;
      color:var(--muted);
    }
    .breadcrumb-wrap a{font-weight:700;color:var(--brand-dark)}
    .hero-panel{
      background:rgba(255,255,255,.82);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-lg);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:210px;
      height:210px;
      background:rgba(37,99,235,.08);
      border-radius:50%;
    }
    .series-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .series-strip a,.series-strip span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 13px;
      border-radius:var(--radius-pill);
      background:#fff;
      border:1px solid var(--border);
      color:#465368;
      font-weight:700;
      font-size:.9rem;
      box-shadow:0 8px 18px rgba(37,99,235,.05);
    }
    .series-strip a:hover{
      border-color:#AFC7FF;
      background:var(--brand-soft);
      color:var(--brand-dark);
      transform:translateY(-2px);
    }
    .step-card{
      position:relative;
      z-index:1;
      display:grid;
      gap:14px;
    }
    .mini-step{
      display:flex;
      align-items:flex-start;
      gap:13px;
      padding:15px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px;
      transition:var(--ease);
    }
    .mini-step:hover{transform:translateX(3px);border-color:#B9CCF7;box-shadow:0 12px 26px rgba(37,99,235,.08)}
    .num{
      width:34px;
      height:34px;
      flex:0 0 34px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--brand),var(--cyan));
    }
    .mini-step p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.65}
    .info-card,.guide-card,.type-card,.recommend-card,.notice-card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .info-card:hover,.guide-card:hover,.type-card:hover,.recommend-card:hover{
      transform:translateY(-4px);
      border-color:#B9CCF7;
      box-shadow:var(--shadow-lg);
    }
    .info-card{padding:26px;height:100%}
    .icon-box{
      width:48px;
      height:48px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      margin-bottom:18px;
      background:linear-gradient(135deg,#EAF1FF,#E8FBFF);
      color:var(--brand-dark);
      font-weight:900;
      font-size:1.25rem;
      transition:var(--ease);
    }
    .info-card:hover .icon-box,.type-card:hover .icon-box{transform:rotate(-4deg) scale(1.04)}
    .card-text{color:var(--muted);font-size:.96rem;line-height:1.8;margin-bottom:0}
    .process-area{
      position:relative;
      border-radius:32px;
      background:linear-gradient(135deg,#FFFFFF 0%,#F2F7FF 100%);
      border:1px solid var(--border);
      padding:34px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .process-area:before{
      content:"";
      position:absolute;
      left:-90px;
      top:-90px;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(37,99,235,.08);
    }
    .guide-list{
      display:grid;
      gap:16px;
      position:relative;
      z-index:1;
    }
    .guide-card{
      padding:22px;
      display:flex;
      gap:16px;
      align-items:flex-start;
    }
    .guide-card .num{width:42px;height:42px;flex-basis:42px;border-radius:15px}
    .guide-card p{margin:0;color:var(--muted);line-height:1.75}
    .type-card{
      padding:24px;
      height:100%;
      display:flex;
      flex-direction:column;
    }
    .type-card .card-bottom{
      margin-top:auto;
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .inline-tag{
      padding:6px 11px;
      font-size:.78rem;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border:1px solid #D8E5FF;
    }
    .inline-tag.warm{color:#9A5A00;background:var(--warm-soft);border-color:#FFE0AD}
    .inline-tag.cyan{color:#057991;background:var(--cyan-soft);border-color:#C5F1FB}
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--brand-dark);
      font-weight:800;
      font-size:.92rem;
    }
    .arrow-link span{transition:var(--ease)}
    .arrow-link:hover span{transform:translateX(4px)}
    .notice-card{
      padding:28px;
      background:linear-gradient(135deg,#FFFFFF,#F8FBFF);
    }
    .notice-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:13px;
    }
    .notice-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#475467;
      line-height:1.72;
    }
    .notice-list li:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--cyan);
      margin-top:10px;
      flex:0 0 9px;
      box-shadow:0 0 0 5px rgba(6,182,212,.12);
    }
    .soft-table{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .soft-row{
      display:grid;
      grid-template-columns:1.1fr 1.5fr 1fr;
      gap:0;
      border-bottom:1px solid var(--border);
    }
    .soft-row:last-child{border-bottom:0}
    .soft-row > div{
      padding:18px 20px;
      color:var(--muted);
    }
    .soft-row.head > div{
      color:#111827;
      font-weight:800;
      background:#F1F6FF;
    }
    .soft-row strong{color:#263247}
    .faq-wrap{
      max-width:900px;
      margin:0 auto;
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:18px!important;
      overflow:hidden;
      box-shadow:0 10px 24px rgba(37,99,235,.05);
      background:#fff;
    }
    .accordion-button{
      font-weight:800;
      color:#1F2A44;
      background:#fff;
      padding:20px 22px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--brand-dark);
      background:linear-gradient(90deg,#EEF4FF,#FFFFFF);
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(37,99,235,.12)!important}
    .accordion-body{
      color:var(--muted);
      line-height:1.85;
      padding:0 22px 22px;
    }
    .recommend-card{
      padding:24px;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:228px;
      position:relative;
      overflow:hidden;
    }
    .recommend-card:after{
      content:"";
      position:absolute;
      right:-44px;
      bottom:-44px;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(37,99,235,.07);
    }
    .recommend-card > *{position:relative;z-index:1}
    .cta-panel{
      border-radius:34px;
      padding:38px;
      background:
        radial-gradient(circle at 85% 18%,rgba(6,182,212,.18),transparent 28%),
        linear-gradient(135deg,#EAF1FF 0%,#FFFFFF 62%,#F1FDFF 100%);
      border:1px solid #D7E5FF;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .form-control{
      border-radius:var(--radius-pill);
      border:1px solid #D8E4F8;
      min-height:52px;
      padding:13px 18px;
      color:#1F2937;
      background:#fff;
    }
    .footer{
      padding:54px 0 28px;
      background:#FFFFFF;
      border-top:1px solid var(--border);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      color:#111827;
      margin-bottom:16px;
    }
    .footer p{color:var(--muted);line-height:1.82;margin-bottom:16px}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      padding:8px 12px;
      border-radius:var(--radius-pill);
      background:#F3F7FF;
      color:#40506A;
      font-weight:700;
      font-size:.9rem;
      border:1px solid #E2EAF8;
    }
    .footer-links a:hover{color:var(--brand-dark);background:#EAF1FF;border-color:#C7D9FF}
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      justify-content:flex-end;
    }
    .footer .line{
      height:1px;
      background:var(--border);
      margin:28px 0 20px;
    }
    @media (max-width:991.98px){
      .topbar-inner{align-items:flex-start;flex-direction:column;gap:8px}
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border:1px solid var(--border);
        border-radius:22px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch!important}
      .header-actions{
        margin-top:14px;
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .inner-hero{padding:44px 0 58px}
      .hero-panel{margin-top:24px}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .process-area{padding:24px}
      .soft-row{grid-template-columns:1fr}
      .soft-row > div{border-bottom:1px solid var(--border)}
      .soft-row > div:last-child{border-bottom:0}
      .footer-meta{justify-content:flex-start}
    }
    @media (max-width:575.98px){
      .brand-sub{display:none}
      .navbar-brand{min-width:auto}
      .brand-mark{width:42px;height:42px;flex-basis:42px;border-radius:14px}
      .brand-text{font-size:.96rem}
      .header-actions{grid-template-columns:1fr}
      .btn{width:100%;justify-content:center}
      .series-strip a,.series-strip span{width:100%;justify-content:center}
      .hero-panel,.process-area,.cta-panel{border-radius:24px;padding:22px}
      .guide-card{flex-direction:column}
      .section-head{margin-bottom:24px}
      .footer-links{flex-direction:column}
      .footer-links a{text-align:center}
    }

/* roulang page: category2 */
:root{
      --bg:#f6f9ff;
      --bg-soft:#eef4ff;
      --surface:#ffffff;
      --surface-soft:#f8fbff;
      --primary:#2563eb;
      --primary-strong:#1d4ed8;
      --primary-soft:#dbeafe;
      --accent:#06b6d4;
      --warm:#f59e0b;
      --text:#10213a;
      --muted:#62708a;
      --muted-2:#8a97ac;
      --border:#dbe6f7;
      --border-strong:#bfd3f4;
      --shadow:0 18px 45px rgba(37,99,235,.08);
      --shadow-hover:0 22px 60px rgba(37,99,235,.14);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{scroll-behavior:smooth; scroll-padding-top:96px;}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(37,99,235,.05), transparent 22%),
        linear-gradient(90deg, rgba(37,99,235,.035) 1px, transparent 1px),
        linear-gradient(rgba(37,99,235,.035) 1px, transparent 1px),
        var(--bg);
      background-size:auto, 132px 132px, 132px 132px, auto;
      background-position:0 0, 0 0, 0 0, 0 0;
      line-height:1.8;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%; display:block;}
    a{color:var(--primary); text-decoration:none; transition:color .2s ease, transform .2s ease, opacity .2s ease;}
    a:hover{color:var(--primary-strong);}
    button,input,textarea,select{font:inherit;}
    ::selection{background:rgba(37,99,235,.16); color:var(--text);}
    .container{max-width:var(--container);}
    .small-muted{color:var(--muted); font-size:.92rem; line-height:1.55;}
    .text-soft{color:var(--muted);}
    .text-quiet{color:var(--muted-2);}
    .section-shell{padding:88px 0;}
    .section-shell.tight{padding:72px 0;}
    .section-shell.compact{padding:64px 0;}
    .surface-band{
      background:rgba(255,255,255,.82);
      border-top:1px solid rgba(219,230,247,.9);
      border-bottom:1px solid rgba(219,230,247,.9);
      backdrop-filter:saturate(160%) blur(8px);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      transition:box-shadow .2s ease, background .2s ease, border-color .2s ease;
      border-bottom:1px solid transparent;
      background:rgba(246,249,255,.82);
      backdrop-filter:blur(14px);
    }
    .site-header.scrolled{
      box-shadow:0 10px 30px rgba(16,33,58,.08);
      border-bottom-color:rgba(219,230,247,.9);
      background:rgba(255,255,255,.9);
    }
    .topbar{
      background:linear-gradient(90deg, rgba(37,99,235,.06), rgba(6,182,212,.05));
      border-bottom:1px solid rgba(219,230,247,.75);
    }
    .topbar-inner{
      min-height:44px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:8px;
      padding-bottom:8px;
    }
    .status-line{display:flex; flex-wrap:wrap; gap:8px;}
    .badge-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px 12px;
      border-radius:999px;
      font-size:.78rem;
      line-height:1;
      font-weight:700;
      letter-spacing:0;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .badge-pill.blue{background:var(--primary-soft); color:var(--primary-strong); border-color:#c8dcff;}
    .badge-pill.cyan{background:#e6fbff; color:#0f766e; border-color:#c9f4fb;}
    .badge-pill.soft{background:#eff6ff; color:#4b5d7a; border-color:#dbe6f7;}
    .badge-pill.warm{background:#fff7e8; color:#b45309; border-color:#fde0a8;}
    .navbar-wrap{border-bottom:1px solid rgba(219,230,247,.75);}
    .navbar{padding:.9rem 0;}
    .navbar .container{gap:12px;}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--text);
    }
    .navbar-brand:hover{color:var(--text);}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--primary), #4f8cff);
      color:#fff;
      font-size:.92rem;
      letter-spacing:0;
      box-shadow:0 10px 20px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .brand-text{
      display:block;
      font-size:1.05rem;
      line-height:1.2;
      font-weight:800;
      color:var(--text);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      display:block;
      margin-top:2px;
      font-size:.84rem;
      color:var(--muted);
      font-weight:600;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .navbar-nav{gap:.35rem;}
    .nav-link{
      color:var(--muted);
      font-weight:700;
      padding:.8rem 1rem !important;
      border-radius:999px;
      transition:background .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--primary-strong);
      background:rgba(37,99,235,.08);
    }
    .nav-link.active{
      color:var(--primary-strong) !important;
      background:var(--primary-soft);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .btn{
      border-radius:999px;
      padding:.78rem 1.1rem;
      font-weight:700;
      line-height:1;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }
    .btn:hover{transform:translateY(-1px);}
    .btn:focus,
    .btn:focus-visible{
      box-shadow:0 0 0 .22rem rgba(37,99,235,.16);
    }
    .btn-brand{
      background:linear-gradient(135deg, var(--primary), var(--primary-strong));
      color:#fff;
      border:1px solid rgba(29,78,216,.5);
      box-shadow:0 14px 24px rgba(37,99,235,.18);
    }
    .btn-brand:hover{
      color:#fff;
      box-shadow:0 16px 28px rgba(37,99,235,.24);
      background:linear-gradient(135deg, #1e5be4, #1944c0);
    }
    .btn-brand-outline{
      background:#fff;
      color:var(--primary-strong);
      border:1px solid #cdddf8;
      box-shadow:0 10px 18px rgba(37,99,235,.06);
    }
    .btn-brand-outline:hover{
      color:var(--primary-strong);
      border-color:#b8cdf3;
      background:#f8fbff;
      box-shadow:0 14px 22px rgba(37,99,235,.08);
    }
    .hero-shell{
      padding:36px 0 88px;
    }
    .breadcrumb{
      --bs-breadcrumb-divider: ">";
      margin-bottom:18px;
      font-size:.88rem;
      color:var(--muted);
    }
    .breadcrumb-item a{color:var(--muted);}
    .breadcrumb-item.active{color:var(--primary-strong);}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
      gap:28px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:.42rem .8rem;
      border-radius:999px;
      background:#eef5ff;
      border:1px solid #dce7fb;
      color:var(--primary-strong);
      font-weight:800;
      font-size:.84rem;
      margin-bottom:18px;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 3.25rem);
      line-height:1.2;
      font-weight:800;
      letter-spacing:0;
      max-width:12ch;
    }
    .hero p.lead{
      margin:18px 0 0;
      color:var(--muted);
      font-size:1.05rem;
      max-width:56ch;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .point-chip{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:14px 16px;
      background:rgba(255,255,255,.88);
      border:1px solid #e2ebfa;
      border-radius:18px;
      box-shadow:0 12px 24px rgba(37,99,235,.05);
      min-height:74px;
    }
    .point-chip i{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:#eef5ff;
      color:var(--primary-strong);
      flex:0 0 auto;
      font-size:1rem;
    }
    .point-chip strong{
      display:block;
      font-size:.95rem;
      line-height:1.2;
      margin-bottom:3px;
    }
    .point-chip span{
      display:block;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.5;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
      align-items:center;
    }
    .hero-note{
      margin-top:12px;
      color:var(--muted);
      font-size:.92rem;
    }
    .hero-status{
      margin-top:26px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding-top:18px;
      border-top:1px solid rgba(219,230,247,.85);
    }
    .inline-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid #dbe6f7;
      color:#40516d;
      font-size:.82rem;
      font-weight:700;
      box-shadow:0 10px 18px rgba(37,99,235,.05);
    }
    .hero-panel{
      position:relative;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,251,255,.94));
      border:1px solid #e1ebfb;
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:20px;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 18%, rgba(37,99,235,.09), transparent 32%),
        radial-gradient(circle at 82% 20%, rgba(6,182,212,.08), transparent 26%);
      pointer-events:none;
    }
    .device-shell{
      position:relative;
      z-index:1;
      background:rgba(255,255,255,.9);
      border:1px solid #dfe8f7;
      border-radius:26px;
      padding:18px;
      box-shadow:0 18px 38px rgba(37,99,235,.07);
    }
    .device-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      padding-bottom:12px;
      border-bottom:1px solid #e7eef9;
    }
    .device-title{
      font-weight:800;
      color:var(--text);
      font-size:1rem;
      margin:0;
    }
    .device-sub{
      font-size:.84rem;
      color:var(--muted);
    }
    .device-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .mini-card{
      background:linear-gradient(180deg, #fff, #f8fbff);
      border:1px solid #e0eaf9;
      border-radius:18px;
      padding:14px;
      min-height:110px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .mini-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:#c9daf8;
    }
    .mini-card .icon{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:#eef5ff;
      color:var(--primary-strong);
      margin-bottom:10px;
      font-size:1.05rem;
    }
    .mini-card h3{
      font-size:.98rem;
      margin:0 0 6px;
      font-weight:800;
      line-height:1.25;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.5;
    }
    .check-panel{
      margin-top:14px;
      background:#f3f8ff;
      border:1px dashed #cfe0fb;
      border-radius:20px;
      padding:14px 16px;
    }
    .check-row{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#304460;
      font-size:.9rem;
      line-height:1.55;
    }
    .check-row i{color:var(--accent); margin-top:2px;}
    .check-row + .check-row{margin-top:8px;}
    .section-head{
      margin-bottom:26px;
    }
    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:.42rem .8rem;
      border-radius:999px;
      background:#eef5ff;
      border:1px solid #dce7fb;
      color:var(--primary-strong);
      font-weight:800;
      font-size:.82rem;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.5rem, 2.6vw, 2.25rem);
      line-height:1.25;
      font-weight:800;
      letter-spacing:0;
    }
    .section-head p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:70ch;
      font-size:1rem;
    }
    .content-card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:22px;
      height:100%;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .content-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:#c8dcff;
    }
    .content-card .card-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      background:#eef5ff;
      color:var(--primary-strong);
      display:grid;
      place-items:center;
      font-size:1.1rem;
      margin-bottom:14px;
    }
    .content-card h3{
      font-size:1.08rem;
      line-height:1.35;
      font-weight:800;
      margin:0 0 10px;
    }
    .content-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.7;
    }
    .content-card .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:16px;
      font-weight:800;
      color:var(--primary-strong);
      font-size:.92rem;
    }
    .content-card .card-link i{
      transition:transform .18s ease;
    }
    .content-card:hover .card-link i{transform:translateX(3px);}
    .panel-note{
      background:linear-gradient(180deg, #f7fbff, #eef5ff);
      border:1px solid #d9e6fb;
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow);
    }
    .panel-note h3{
      margin:0 0 10px;
      font-size:1.05rem;
      line-height:1.35;
      font-weight:800;
    }
    .panel-note p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.75;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .feature-grid .content-card{padding:20px;}
    .feature-grid .content-card h3{font-size:1rem;}
    .flow-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .step-card{
      position:relative;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:20px;
      height:100%;
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:#c8dcff;
    }
    .step-no{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--primary), #4f8cff);
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
      box-shadow:0 12px 22px rgba(37,99,235,.18);
    }
    .step-card h3{
      margin:0 0 10px;
      font-size:1rem;
      line-height:1.35;
      font-weight:800;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.72;
    }
    .compare-wrap{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:20px;
    }
    .table-responsive{
      overflow:auto;
    }
    .compare-table{
      margin:0;
      border-collapse:separate;
      border-spacing:0;
      min-width:720px;
    }
    .compare-table thead th{
      background:#eef5ff;
      color:var(--text);
      border-bottom:1px solid #d6e4fa;
      font-weight:800;
      padding:16px 18px;
      vertical-align:middle;
    }
    .compare-table thead th:first-child{border-top-left-radius:16px;}
    .compare-table thead th:last-child{border-top-right-radius:16px;}
    .compare-table tbody td{
      padding:16px 18px;
      border-bottom:1px solid #e6eefb;
      color:var(--muted);
      vertical-align:top;
      background:#fff;
    }
    .compare-table tbody tr:last-child td:first-child{border-bottom-left-radius:16px;}
    .compare-table tbody tr:last-child td:last-child{border-bottom-right-radius:16px;}
    .compare-table .tag{
      display:inline-flex;
      align-items:center;
      padding:.35rem .65rem;
      border-radius:999px;
      background:#eff6ff;
      border:1px solid #dbe6f7;
      color:var(--primary-strong);
      font-weight:800;
      font-size:.8rem;
      margin-bottom:6px;
    }
    .linked-card{
      display:block;
      height:100%;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:20px;
      color:var(--text);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .linked-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:#c8dcff;
      color:var(--text);
    }
    .linked-card .top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .linked-card .icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:#eef5ff;
      color:var(--primary-strong);
      font-size:1.1rem;
      flex:0 0 auto;
    }
    .linked-card h3{
      margin:0 0 8px;
      font-size:1.02rem;
      line-height:1.35;
      font-weight:800;
    }
    .linked-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.7;
    }
    .linked-card .go{
      margin-top:14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-strong);
      font-weight:800;
      font-size:.92rem;
    }
    .accordion{
      --bs-accordion-border-color:#dce7f7;
      --bs-accordion-btn-bg:#fff;
      --bs-accordion-btn-color:var(--text);
      --bs-accordion-active-color:var(--primary-strong);
      --bs-accordion-active-bg:#f0f6ff;
      --bs-accordion-btn-focus-box-shadow:0 0 0 .22rem rgba(37,99,235,.12);
    }
    .accordion-item{
      border:1px solid var(--border);
      border-radius:18px !important;
      overflow:hidden;
      box-shadow:var(--shadow);
      background:#fff;
    }
    .accordion-item + .accordion-item{margin-top:14px;}
    .accordion-button{
      padding:18px 20px;
      font-weight:800;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      background:#f0f6ff;
      color:var(--primary-strong);
    }
    .accordion-body{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.8;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg, #f2f7ff 0%, #eefaff 100%);
      border:1px solid #d6e4fa;
      border-radius:32px;
      box-shadow:var(--shadow);
      padding:28px;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(37,99,235,.06), transparent 40%),
        radial-gradient(circle at top right, rgba(6,182,212,.08), transparent 28%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
      gap:22px;
      align-items:center;
    }
    .cta-grid h2{
      margin:0;
      font-size:clamp(1.45rem, 2.3vw, 2rem);
      line-height:1.25;
      font-weight:800;
    }
    .cta-grid p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:1rem;
      line-height:1.8;
      max-width:58ch;
    }
    .cta-form{
      background:rgba(255,255,255,.88);
      border:1px solid #dbe6f7;
      border-radius:26px;
      padding:20px;
      box-shadow:0 14px 28px rgba(37,99,235,.06);
    }
    .form-label{
      font-weight:800;
      color:var(--text);
      margin-bottom:8px;
    }
    .form-control{
      border-radius:14px;
      border:1px solid #d8e4f8;
      padding:.92rem 1rem;
      color:var(--text);
      box-shadow:none;
      background:#fff;
    }
    .form-control::placeholder{color:#90a0b8;}
    .form-control:focus{
      border-color:#b6cdf4;
      box-shadow:0 0 0 .22rem rgba(37,99,235,.12);
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .cta-foot{
      position:relative;
      z-index:1;
      margin-top:14px;
      color:var(--muted);
      font-size:.85rem;
      line-height:1.65;
    }
    .footer{
      padding:34px 0 26px;
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(241,246,255,.98));
      border-top:1px solid rgba(219,230,247,.9);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:var(--text);
      font-weight:800;
      font-size:1.02rem;
      margin-bottom:14px;
    }
    .footer p{
      color:var(--muted);
      margin-bottom:12px;
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
    }
    .footer-links a{
      color:var(--primary-strong);
      font-weight:700;
      font-size:.95rem;
    }
    .footer-links a:hover{text-decoration:underline;}
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer .line{
      height:1px;
      background:#e2eaf8;
      margin:22px 0 16px;
    }
    .article-shell{padding:72px 0;}
    .article-shell .article-body{
      max-width:860px;
      margin:0 auto;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:26px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .article-body h1,.article-body h2,.article-body h3{letter-spacing:0;}
    .article-body p{color:var(--muted); line-height:1.85; margin-bottom:18px;}
    .article-body .info-box{
      background:#f3f8ff;
      border:1px solid #d9e6fb;
      border-radius:18px;
      padding:18px;
      margin:18px 0;
    }
    .article-body .info-box strong{display:block; margin-bottom:6px;}
    .article-body ul{padding-left:1.2rem; color:var(--muted);}
    .article-body li + li{margin-top:8px;}
    .focus-ring:focus-visible{outline:none; box-shadow:0 0 0 .22rem rgba(37,99,235,.18);}
    .navbar-toggler{
      border-color:#d7e5fb;
      box-shadow:none;
      padding:.55rem .7rem;
      border-radius:14px;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .22rem rgba(37,99,235,.12);}
    .navbar-toggler-icon{
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2829, 78, 216, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    @media (max-width: 1199.98px){
      .hero-grid{grid-template-columns:1fr .95fr;}
      .hero-points{grid-template-columns:repeat(2, minmax(0,1fr));}
      .feature-grid,.flow-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
      .cta-grid{grid-template-columns:1fr;}
    }
    @media (max-width: 991.98px){
      .section-shell,.section-shell.tight{padding:64px 0;}
      .hero-shell{padding:28px 0 72px;}
      .hero-grid{grid-template-columns:1fr; gap:22px;}
      .hero h1{max-width:100%;}
      .topbar-inner{flex-direction:column; align-items:flex-start;}
      .navbar-nav{padding:12px 0 0;}
      .header-actions{
        padding:14px 0 4px;
      }
      .navbar-collapse{
        padding-top:10px;
      }
      .hero-panel{padding:16px;}
      .compare-table{min-width:640px;}
    }
    @media (max-width: 767.98px){
      .hero-points{grid-template-columns:1fr;}
      .feature-grid,.flow-grid{grid-template-columns:1fr;}
      .device-grid{grid-template-columns:1fr;}
      .footer-meta{justify-content:flex-start;}
      .cta-panel{padding:20px;}
      .cta-form{padding:16px;}
      .content-card,.step-card,.linked-card,.panel-note,.compare-wrap{padding:18px;}
      .compare-table{min-width:560px;}
    }
    @media (max-width: 575.98px){
      .navbar-brand{gap:10px;}
      .brand-text{font-size:1rem;}
      .brand-sub{font-size:.8rem;}
      .btn{width:auto;}
      .header-actions .btn{flex:1 1 calc(50% - 5px);}
      .hero-actions .btn{flex:1 1 calc(50% - 6px);}
      .cta-actions .btn{flex:1 1 100%;}
      .hero-shell{padding:24px 0 60px;}
      .section-shell,.section-shell.tight{padding:56px 0;}
      .section-head p{font-size:.96rem;}
      .accordion-button{padding:16px 16px;}
      .accordion-body{padding:0 16px 16px;}
    }

/* roulang page: category3 */
:root {
      --brand: #2563EB;
      --brand-strong: #1D4ED8;
      --brand-soft: #EEF4FF;
      --brand-soft-2: #F6F9FF;
      --cyan: #06B6D4;
      --cyan-soft: #E6FAFD;
      --warm: #F59E0B;
      --warm-soft: #FFF7E6;
      --text: #122033;
      --muted: #66758A;
      --muted-2: #8A99AD;
      --border: #E2EAF7;
      --border-strong: #C9D9F4;
      --white: #FFFFFF;
      --bg: #F8FAFC;
      --radius-sm: 12px;
      --radius: 18px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --shadow-sm: 0 10px 28px rgba(37, 99, 235, .07);
      --shadow: 0 18px 45px rgba(37, 99, 235, .10);
      --shadow-lg: 0 28px 70px rgba(37, 99, 235, .14);
      --transition: all .24s ease;
      --container: 1160px;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 8%, rgba(37, 99, 235, .10), transparent 28%),
        radial-gradient(circle at 92% 16%, rgba(6, 182, 212, .10), transparent 24%),
        linear-gradient(180deg, #F6F9FF 0%, #FFFFFF 42%, #F8FAFC 100%);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.78;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--brand);
    }

    img,
    svg {
      max-width: 100%;
      height: auto;
    }

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

    ::selection {
      color: #fff;
      background: var(--brand);
    }

    .container {
      max-width: var(--container);
    }

    .section {
      padding: 82px 0;
      position: relative;
    }

    .section-tight {
      padding: 56px 0;
    }

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

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--brand-strong);
      font-size: 14px;
      font-weight: 750;
      letter-spacing: .02em;
    }

    .section-eyebrow::before {
      content: "";
      width: 22px;
      height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand), var(--cyan));
    }

    h1,
    h2,
    h3,
    h4 {
      color: var(--text);
      letter-spacing: -.02em;
    }

    h1 {
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.2;
      font-weight: 820;
      margin: 0 0 18px;
    }

    h2 {
      font-size: clamp(1.65rem, 3vw, 2.25rem);
      line-height: 1.26;
      font-weight: 780;
      margin: 0 0 14px;
    }

    h3 {
      font-size: 1.18rem;
      line-height: 1.35;
      font-weight: 740;
      margin: 0 0 10px;
    }

    p {
      margin-top: 0;
      color: var(--muted);
    }

    .lead-text {
      color: #516176;
      font-size: 1.06rem;
      line-height: 1.9;
    }

    .small-muted {
      color: var(--muted-2);
      font-size: .92rem;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, .94);
      border-bottom: 1px solid rgba(226, 234, 247, .86);
      box-shadow: 0 12px 32px rgba(29, 78, 216, .05);
      backdrop-filter: blur(12px);
    }

    .topbar {
      border-bottom: 1px solid rgba(226, 234, 247, .7);
      background: linear-gradient(90deg, rgba(238, 244, 255, .9), rgba(255, 255, 255, .9));
    }

    .topbar-inner {
      min-height: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .badge-pill,
    .inline-tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 26px;
      padding: 5px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 720;
      line-height: 1;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .badge-pill.blue,
    .inline-tag {
      color: var(--brand-strong);
      background: var(--brand-soft);
      border-color: #D7E5FF;
    }

    .badge-pill.cyan {
      color: #0787A1;
      background: var(--cyan-soft);
      border-color: #C7F3FA;
    }

    .badge-pill.warm {
      color: #A15D00;
      background: var(--warm-soft);
      border-color: #FFE1A8;
    }

    .badge-pill.soft {
      color: #60718B;
      background: #F4F7FB;
      border-color: #E6EDF7;
    }

    .navbar-wrap .navbar {
      padding: 14px 0;
    }

    .navbar-brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      margin: 0;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--cyan));
      box-shadow: 0 12px 26px rgba(37, 99, 235, .22);
      font-weight: 850;
      letter-spacing: .02em;
    }

    .brand-text {
      display: block;
      max-width: 260px;
      color: var(--text);
      font-size: 1rem;
      font-weight: 820;
      line-height: 1.15;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-sub {
      display: block;
      margin-top: 3px;
      color: var(--muted-2);
      font-size: 12px;
      line-height: 1.2;
    }

    .navbar-toggler {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 8px 10px;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
    }

    .navbar-nav {
      gap: 6px;
    }

    .nav-link {
      position: relative;
      border-radius: 999px;
      padding: 9px 15px !important;
      color: #506078;
      font-weight: 720;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--brand-strong);
      background: var(--brand-soft);
    }

    .nav-link.active {
      color: var(--brand-strong) !important;
      background: var(--brand-soft);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      border-radius: 999px;
      padding: 10px 18px;
      font-weight: 760;
      line-height: 1.2;
      transition: var(--transition);
    }

    .btn:focus-visible,
    .form-control:focus {
      outline: none;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .14);
    }

    .btn-brand {
      color: #fff;
      border: 1px solid var(--brand);
      background: linear-gradient(135deg, var(--brand), var(--brand-strong));
      box-shadow: 0 12px 26px rgba(37, 99, 235, .18);
    }

    .btn-brand:hover,
    .btn-brand:focus {
      color: #fff;
      border-color: var(--brand-strong);
      background: linear-gradient(135deg, var(--brand-strong), #1744B8);
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(37, 99, 235, .24);
    }

    .btn-brand-outline {
      color: var(--brand-strong);
      border: 1px solid #CFE0FF;
      background: #fff;
    }

    .btn-brand-outline:hover,
    .btn-brand-outline:focus {
      color: var(--brand-strong);
      border-color: #AFC9FF;
      background: var(--brand-soft);
      transform: translateY(-2px);
    }

    .btn-soft {
      color: var(--brand-strong);
      background: var(--brand-soft);
      border: 1px solid #D7E5FF;
    }

    .btn-soft:hover {
      color: #fff;
      background: var(--brand);
      border-color: var(--brand);
      transform: translateY(-2px);
    }

    .inner-hero {
      padding: 48px 0 42px;
    }

    .breadcrumb {
      --bs-breadcrumb-divider-color: #A2B0C4;
      margin-bottom: 18px;
      font-size: .9rem;
    }

    .breadcrumb-item a {
      color: var(--muted);
      font-weight: 680;
    }

    .breadcrumb-item.active {
      color: var(--brand-strong);
      font-weight: 760;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: minmax(0, 1.45fr) minmax(320px, .95fr);
      grid-template-rows: auto auto;
      gap: 18px;
      align-items: stretch;
    }

    .hero-main,
    .hero-side,
    .hero-mini,
    .hero-cta-strip,
    .content-card,
    .notice-card,
    .faq-wrap,
    .cta-panel {
      border: 1px solid var(--border);
      background: rgba(255, 255, 255, .9);
      box-shadow: var(--shadow);
      border-radius: var(--radius-lg);
    }

    .hero-main {
      position: relative;
      grid-row: span 2;
      padding: clamp(28px, 4vw, 46px);
      overflow: hidden;
      min-height: 420px;
    }

    .hero-main::before,
    .hero-main::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      pointer-events: none;
    }

    .hero-main::before {
      width: 260px;
      height: 260px;
      right: -70px;
      top: -80px;
      background: radial-gradient(circle, rgba(37, 99, 235, .14), transparent 66%);
    }

    .hero-main::after {
      width: 180px;
      height: 180px;
      left: 40%;
      bottom: -80px;
      background: radial-gradient(circle, rgba(6, 182, 212, .13), transparent 70%);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 690px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 28px 0;
    }

    .hero-meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .hero-side {
      padding: 24px;
      background:
        linear-gradient(145deg, rgba(238, 244, 255, .88), rgba(255, 255, 255, .92));
    }

    .hero-mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .hero-mini {
      padding: 22px;
      box-shadow: var(--shadow-sm);
      min-height: 150px;
    }

    .hero-cta-strip {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      background: linear-gradient(90deg, #FFFFFF, #EEF4FF);
      box-shadow: var(--shadow-sm);
    }

    .shield-visual {
      position: relative;
      min-height: 230px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 24px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(37, 99, 235, .10), rgba(6, 182, 212, .10)),
        repeating-linear-gradient(45deg, rgba(37, 99, 235, .08) 0 1px, transparent 1px 18px);
      border: 1px solid #DDE9FC;
    }

    .shield-icon {
      width: 112px;
      height: 132px;
      display: grid;
      place-items: center;
      color: var(--brand);
      border-radius: 34px 34px 44px 44px;
      background: rgba(255, 255, 255, .86);
      border: 1px solid #D7E5FF;
      box-shadow: 0 18px 42px rgba(37, 99, 235, .14);
      font-size: 54px;
      font-weight: 900;
    }

    .status-card-list {
      display: grid;
      gap: 12px;
    }

    .status-card {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 13px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .84);
      border: 1px solid #DFEAFE;
    }

    .status-dot {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--cyan));
      font-size: 13px;
      font-weight: 850;
      box-shadow: 0 8px 18px rgba(37, 99, 235, .16);
    }

    .status-card strong {
      display: block;
      margin-bottom: 2px;
      color: var(--text);
      font-size: .96rem;
    }

    .status-card span {
      display: block;
      color: var(--muted);
      font-size: .88rem;
      line-height: 1.55;
    }

    .content-card {
      height: 100%;
      padding: 26px;
      transition: var(--transition);
    }

    .content-card:hover {
      transform: translateY(-4px);
      border-color: #BDD1F8;
      box-shadow: var(--shadow-lg);
    }

    .icon-box {
      width: 48px;
      height: 48px;
      display: inline-grid;
      place-items: center;
      margin-bottom: 16px;
      border-radius: 16px;
      color: var(--brand-strong);
      background: var(--brand-soft);
      border: 1px solid #D8E6FF;
      font-size: 22px;
      font-weight: 850;
      transition: var(--transition);
    }

    .content-card:hover .icon-box {
      transform: rotate(-4deg) scale(1.04);
      background: linear-gradient(135deg, var(--brand), var(--cyan));
      color: #fff;
    }

    .check-list,
    .plain-list {
      display: grid;
      gap: 14px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .check-list li,
    .plain-list li {
      position: relative;
      padding: 15px 16px 15px 48px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--border);
      color: #56667C;
      box-shadow: 0 8px 24px rgba(37, 99, 235, .05);
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 16px;
      top: 15px;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #fff;
      background: var(--brand);
      font-size: 13px;
      font-weight: 900;
    }

    .plain-list li {
      padding-left: 18px;
    }

    .step-grid {
      display: grid;
      gap: 18px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 54px minmax(0, 1fr);
      gap: 16px;
      align-items: flex-start;
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .step-item:hover {
      transform: translateY(-3px);
      border-color: #BCD3FF;
      box-shadow: var(--shadow);
    }

    .step-num {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: var(--brand-strong);
      background: var(--brand-soft);
      border: 1px solid #D5E4FF;
      font-weight: 850;
      font-size: 1.05rem;
    }

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

    .notice-card {
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .notice-card.warm {
      background: linear-gradient(145deg, #FFFFFF, var(--warm-soft));
      border-color: #FFE0A3;
    }

    .notice-card.blue {
      background: linear-gradient(145deg, #FFFFFF, var(--brand-soft));
      border-color: #D6E5FF;
    }

    .notice-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      color: var(--text);
      font-weight: 780;
      font-size: 1.12rem;
    }

    .table-card {
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow);
    }

    .compare-row {
      display: grid;
      grid-template-columns: .8fr 1fr 1fr;
      border-bottom: 1px solid var(--border);
    }

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

    .compare-row > div {
      padding: 18px;
      color: var(--muted);
      border-right: 1px solid var(--border);
    }

    .compare-row > div:last-child {
      border-right: 0;
    }

    .compare-head {
      background: var(--brand-soft);
      font-weight: 800;
      color: var(--text) !important;
    }

    .compare-key {
      font-weight: 780;
      color: var(--brand-strong) !important;
      background: #FBFDFF;
    }

    .faq-wrap {
      padding: 10px;
      overflow: hidden;
    }

    .accordion {
      --bs-accordion-border-width: 0;
      --bs-accordion-border-radius: 18px;
      --bs-accordion-inner-border-radius: 18px;
      --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
    }

    .accordion-item {
      margin-bottom: 10px;
      overflow: hidden;
      border: 1px solid var(--border) !important;
      border-radius: 18px !important;
      background: #fff;
    }

    .accordion-item:last-child {
      margin-bottom: 0;
    }

    .accordion-button {
      padding: 18px 20px;
      color: var(--text);
      background: #fff;
      font-weight: 780;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-strong);
      background: var(--brand-soft);
    }

    .accordion-body {
      padding: 0 20px 20px;
      color: var(--muted);
      line-height: 1.85;
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .recommend-card {
      position: relative;
      display: flex;
      flex-direction: column;
      min-height: 210px;
      padding: 24px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: var(--transition);
    }

    .recommend-card::after {
      content: "";
      position: absolute;
      right: -36px;
      bottom: -36px;
      width: 118px;
      height: 118px;
      border-radius: 999px;
      background: rgba(37, 99, 235, .08);
      transition: var(--transition);
    }

    .recommend-card:hover {
      transform: translateY(-4px);
      border-color: #BCD3FF;
      box-shadow: var(--shadow);
    }

    .recommend-card:hover::after {
      transform: scale(1.18);
      background: rgba(6, 182, 212, .12);
    }

    .recommend-card p,
    .recommend-card h3,
    .recommend-card a,
    .recommend-card span {
      position: relative;
      z-index: 1;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: auto;
      color: var(--brand-strong);
      font-weight: 800;
    }

    .card-link::after {
      content: "→";
      transition: var(--transition);
    }

    .content-card:hover .card-link::after,
    .recommend-card:hover .card-link::after {
      transform: translateX(4px);
    }

    .cta-panel {
      padding: clamp(28px, 5vw, 46px);
      background:
        radial-gradient(circle at 85% 20%, rgba(6, 182, 212, .12), transparent 34%),
        linear-gradient(135deg, #FFFFFF, #EEF4FF);
      overflow: hidden;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 12px;
    }

    .form-control {
      min-height: 50px;
      padding: 12px 18px;
      border: 1px solid #D8E4F8;
      border-radius: 999px;
      color: var(--text);
      background: rgba(255, 255, 255, .9);
    }

    .footer {
      padding: 64px 0 34px;
      background: linear-gradient(180deg, #FFFFFF, #F1F6FF);
      border-top: 1px solid var(--border);
    }

    .footer-brand {
      margin-bottom: 16px;
      color: var(--text);
      font-weight: 850;
      font-size: 1.05rem;
    }

    .footer p {
      max-width: 560px;
      margin-bottom: 16px;
      color: #63738A;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      margin-top: 18px;
    }

    .footer-links a {
      color: var(--muted);
      font-weight: 720;
    }

    .footer-links a:hover {
      color: var(--brand-strong);
    }

    .footer-meta {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 8px;
    }

    .line {
      height: 1px;
      margin: 34px 0 22px;
      background: var(--border);
    }

    .article-shell {
      max-width: 840px;
      margin: 0 auto;
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    @media (max-width: 991.98px) {
      .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 10px;
        padding-bottom: 10px;
        gap: 8px;
      }

      .navbar-collapse {
        margin-top: 14px;
        padding: 16px;
        border: 1px solid var(--border);
        border-radius: 22px;
        background: #fff;
        box-shadow: var(--shadow-sm);
      }

      .navbar-nav {
        align-items: stretch !important;
      }

      .nav-link {
        border-radius: 14px;
      }

      .header-actions {
        align-items: stretch;
        flex-direction: column;
        margin-top: 12px;
      }

      .header-actions .btn {
        width: 100%;
      }

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

      .hero-main {
        grid-row: auto;
        min-height: auto;
      }

      .hero-cta-strip {
        flex-direction: column;
        align-items: flex-start;
      }

      .risk-board,
      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }

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

    @media (max-width: 767.98px) {
      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 44px 0;
      }

      .inner-hero {
        padding: 34px 0 30px;
      }

      .brand-text {
        max-width: 190px;
      }

      .brand-sub {
        display: none;
      }

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

      .hero-actions,
      .cta-actions {
        flex-direction: column;
        width: 100%;
      }

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

      .step-item {
        grid-template-columns: 1fr;
      }

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

      .compare-row > div {
        border-right: 0;
        border-bottom: 1px solid var(--border);
      }

      .compare-row > div:last-child {
        border-bottom: 0;
      }
    }

    @media (max-width: 575.98px) {
      body {
        font-size: 15px;
      }

      .container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .topbar .small-muted {
        display: none;
      }

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

      .hero-main,
      .hero-side,
      .hero-mini,
      .content-card,
      .notice-card,
      .cta-panel {
        border-radius: 22px;
      }

      .hero-main {
        padding: 24px;
      }

      .hero-side,
      .content-card,
      .notice-card,
      .recommend-card {
        padding: 20px;
      }

      .shield-visual {
        min-height: 190px;
      }

      .shield-icon {
        width: 92px;
        height: 112px;
        font-size: 44px;
      }
    }