/* roulang page: index */
:root{
            --bg:#f6f9fd;
            --bg-soft:#eef4fb;
            --card:#ffffff;
            --primary:#1f5fa7;
            --primary-2:#2d7bd1;
            --accent:#1bb3a4;
            --text:#183049;
            --muted:#6e7f93;
            --line:#d9e4f0;
            --shadow:0 12px 30px rgba(19, 51, 89, .08);
            --shadow-sm:0 8px 18px rgba(19, 51, 89, .06);
            --radius:8px;
            --radius-sm:6px;
            --container:1200px;
            --space:24px;
        }
        *{box-sizing:border-box}
        html,body{margin:0;padding:0}
        body{
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background:
                linear-gradient(180deg, #f8fbff 0%, #f3f7fc 100%);
            color:var(--text);
            line-height:1.7;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container-xl{max-width:var(--container)}
        .site-header{
            position:sticky;
            top:0;
            z-index:1020;
            background:rgba(246,249,253,.88);
            backdrop-filter: blur(12px);
            border-bottom:1px solid rgba(217,228,240,.8);
        }
        .brand{
            display:flex;
            align-items:center;
            gap:.75rem;
            font-weight:800;
            letter-spacing:0;
            color:var(--text);
            white-space:nowrap;
        }
        .brand-mark{
            width:40px;height:40px;border-radius:10px;
            display:grid;place-items:center;
            background:linear-gradient(135deg, var(--primary), var(--primary-2));
            color:#fff;
            box-shadow:var(--shadow-sm);
            flex:0 0 auto;
        }
        .brand span{
            font-size:1.02rem;
        }
        .nav-wrap{
            display:flex;
            align-items:center;
            gap:1rem;
        }
        .nav-link{
            color:var(--muted);
            font-weight:600;
            padding:.7rem .95rem !important;
            border-radius:999px;
            transition:.2s ease;
        }
        .nav-link:hover,
        .nav-link:focus{
            color:var(--primary);
            background:#edf4fc;
        }
        .nav-link.active{
            color:#fff !important;
            background:var(--primary);
            box-shadow:0 10px 20px rgba(31,95,167,.16);
        }
        .btn{
            border-radius:999px;
            padding:.72rem 1.15rem;
            font-weight:700;
            transition:.2s ease;
        }
        .btn-primary{
            background:linear-gradient(135deg, var(--primary), var(--primary-2));
            border:none;
            box-shadow:0 10px 22px rgba(31,95,167,.18);
        }
        .btn-primary:hover,.btn-primary:focus{
            transform:translateY(-1px);
            box-shadow:0 12px 26px rgba(31,95,167,.22);
        }
        .btn-outline-primary{
            color:var(--primary);
            border-color:rgba(31,95,167,.24);
            background:#fff;
        }
        .btn-outline-primary:hover{
            background:#edf4fc;
            color:var(--primary);
            border-color:rgba(31,95,167,.35);
        }
        .search-box{
            min-width:280px;
            position:relative;
        }
        .search-box input{
            width:100%;
            border:1px solid var(--line);
            border-radius:999px;
            padding:.7rem 1rem .7rem 2.8rem;
            background:#fff;
            box-shadow:0 6px 18px rgba(19,51,89,.04);
        }
        .search-box i{
            position:absolute;
            left:1rem;top:50%;
            transform:translateY(-50%);
            color:#8ba0b7;
            pointer-events:none;
        }
        .hero{
            padding:2rem 0 1.25rem;
        }
        .hero-panel{
            background:
                linear-gradient(135deg, rgba(31,95,167,.98), rgba(45,123,209,.92));
            color:#fff;
            border-radius:24px;
            overflow:hidden;
            box-shadow:var(--shadow);
        }
        .hero-inner{
            padding:2rem;
            display:grid;
            grid-template-columns: 1.2fr .9fr;
            gap:1.5rem;
            align-items:stretch;
            min-height:460px;
        }
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:.5rem;
            border:1px solid rgba(255,255,255,.2);
            color:#eaf4ff;
            background:rgba(255,255,255,.08);
            border-radius:999px;
            padding:.35rem .8rem;
            font-size:.92rem;
            font-weight:600;
        }
        .hero h1{
            font-size:clamp(2rem, 4vw, 3.35rem);
            line-height:1.14;
            margin:.9rem 0 1rem;
            letter-spacing:0;
        }
        .hero p{
            font-size:1.05rem;
            color:rgba(255,255,255,.9);
            max-width:42rem;
            margin-bottom:1.35rem;
        }
        .hero-actions{
            display:flex;
            flex-wrap:wrap;
            gap:.8rem;
            margin-bottom:1.4rem;
        }
        .hero-meta{
            display:flex;
            flex-wrap:wrap;
            gap:.8rem;
        }
        .meta-pill{
            display:inline-flex;
            align-items:center;
            gap:.45rem;
            border:1px solid rgba(255,255,255,.18);
            background:rgba(255,255,255,.08);
            padding:.55rem .8rem;
            border-radius:999px;
            font-size:.92rem;
        }
        .hero-side{
            background:rgba(255,255,255,.96);
            color:var(--text);
            border-radius:20px;
            padding:1.2rem;
            display:flex;
            flex-direction:column;
            gap:1rem;
            box-shadow:0 18px 30px rgba(9,35,72,.14);
        }
        .ring{
            display:flex;
            align-items:center;
            gap:1rem;
            padding:1rem;
            border:1px solid var(--line);
            border-radius:16px;
            background:linear-gradient(180deg, #fbfdff 0%, #f4f8fd 100%);
        }
        .ring-chart{
            width:88px;height:88px;border-radius:50%;
            background:conic-gradient(var(--accent) 0 72%, #dce8f4 72% 100%);
            display:grid;
            place-items:center;
            position:relative;
            flex:0 0 auto;
        }
        .ring-chart::after{
            content:"";
            width:64px;height:64px;border-radius:50%;
            background:#fff;
            position:absolute;
        }
        .ring-chart strong{
            position:relative;
            z-index:1;
            font-size:1.1rem;
            color:var(--primary);
        }
        .ring small{
            display:block;
            color:var(--muted);
        }
        .tier-list{
            display:grid;
            gap:.75rem;
        }
        .tier{
            border:1px solid var(--line);
            border-radius:16px;
            padding:.95rem 1rem;
            background:#fff;
        }
        .tier-header{
            display:flex;
            justify-content:space-between;
            gap:1rem;
            margin-bottom:.35rem;
        }
        .tier-header strong{
            color:var(--text);
        }
        .tier p{
            margin:0;
            color:var(--muted);
            font-size:.95rem;
        }
        .section{
            padding:1.1rem 0 1.65rem;
        }
        .section-head{
            display:flex;
            justify-content:space-between;
            align-items:end;
            gap:1rem;
            margin-bottom:1rem;
        }
        .section-head h2{
            font-size:1.45rem;
            margin:0;
            letter-spacing:0;
        }
        .section-head p{
            margin:0;
            color:var(--muted);
            max-width:42rem;
        }
        .h-scroll{
            display:flex;
            gap:1rem;
            overflow:auto;
            padding-bottom:.35rem;
            scroll-snap-type:x mandatory;
        }
        .h-scroll::-webkit-scrollbar{height:8px}
        .h-scroll::-webkit-scrollbar-thumb{background:#c8d7e8;border-radius:999px}
        .scroll-card{
            min-width:260px;
            flex:0 0 260px;
            scroll-snap-align:start;
            background:#fff;
            border:1px solid var(--line);
            border-radius:var(--radius);
            box-shadow:var(--shadow-sm);
            padding:1rem;
            transition:.2s ease;
        }
        .scroll-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
        .thumb{
            height:136px;
            border-radius:10px;
            background:
                linear-gradient(135deg, rgba(31,95,167,.14), rgba(27,179,164,.14)),
                linear-gradient(180deg, #f8fbff, #eef4fb);
            border:1px solid #e4edf6;
            margin-bottom:.95rem;
            position:relative;
            overflow:hidden;
        }
        .thumb::before{
            content:"";
            position:absolute;
            inset:14px;
            border-radius:8px;
            border:1px dashed rgba(31,95,167,.2);
        }
        .badge-soft{
            display:inline-flex;
            align-items:center;
            gap:.35rem;
            font-size:.78rem;
            font-weight:700;
            color:var(--primary);
            background:#edf4fc;
            border:1px solid #d7e5f4;
            padding:.28rem .55rem;
            border-radius:999px;
        }
        .scroll-card h3{
            font-size:1.04rem;
            margin:.8rem 0 .45rem;
            line-height:1.35;
        }
        .scroll-card p{
            color:var(--muted);
            font-size:.95rem;
            margin:0 0 .75rem;
        }
        .card-meta{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:1rem;
            font-size:.88rem;
            color:var(--muted);
        }
        .topic-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:1rem;
        }
        .topic{
            background:#fff;
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:1rem;
            box-shadow:var(--shadow-sm);
            min-height:168px;
        }
        .topic .icon{
            width:44px;height:44px;border-radius:12px;
            display:grid;place-items:center;
            background:#edf4fc;color:var(--primary);
            margin-bottom:.85rem;
            font-size:1.2rem;
        }
        .topic h3{
            margin:0 0 .45rem;
            font-size:1.05rem;
        }
        .topic p{
            margin:0;
            color:var(--muted);
            font-size:.95rem;
        }
        .feature-band{
            background:linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
            border:1px solid var(--line);
            border-radius:20px;
            padding:1.2rem;
            box-shadow:var(--shadow-sm);
        }
        .feature-list{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:1rem;
        }
        .feature{
            padding:1rem;
            border:1px solid #dfe9f3;
            border-radius:14px;
            background:#fff;
            min-height:142px;
        }
        .feature strong{
            display:block;
            margin:.2rem 0 .45rem;
        }
        .feature p{
            margin:0;
            color:var(--muted);
            font-size:.95rem;
        }
        .updates-wrap{
            display:grid;
            grid-template-columns:1.05fr .95fr;
            gap:1rem;
        }
        .news-list, .update-list{
            background:#fff;
            border:1px solid var(--line);
            border-radius:var(--radius);
            box-shadow:var(--shadow-sm);
            padding:1rem;
        }
        .news-item{
            display:flex;
            gap:.9rem;
            padding:.9rem 0;
            border-bottom:1px solid #edf2f8;
        }
        .news-item:last-child{border-bottom:none;padding-bottom:0}
        .news-item:first-child{padding-top:0}
        .news-item .date{
            width:78px;
            flex:0 0 78px;
            color:var(--primary);
            font-size:.86rem;
            font-weight:700;
            background:#edf4fc;
            border-radius:12px;
            display:grid;
            place-items:center;
            padding:.55rem .4rem;
            text-align:center;
        }
        .news-item h4{
            margin:0 0 .25rem;
            font-size:1rem;
        }
        .news-item p{
            margin:0;
            color:var(--muted);
            font-size:.94rem;
        }
        .update-list .step{
            display:flex;
            gap:.85rem;
            padding:.92rem 0;
            border-bottom:1px solid #edf2f8;
        }
        .update-list .step:last-child{border-bottom:none;padding-bottom:0}
        .update-list .num{
            width:36px;height:36px;border-radius:10px;
            background:linear-gradient(135deg, var(--primary), var(--primary-2));
            color:#fff;
            display:grid;
            place-items:center;
            font-weight:800;
            flex:0 0 auto;
        }
        .update-list h4{
            font-size:1rem;
            margin:0 0 .2rem;
        }
        .update-list p{
            margin:0;
            color:var(--muted);
            font-size:.94rem;
        }
        .qa .accordion-item{
            border:1px solid var(--line);
            border-radius:var(--radius);
            overflow:hidden;
            margin-bottom:.75rem;
            box-shadow:var(--shadow-sm);
        }
        .qa .accordion-button{
            background:#fff;
            color:var(--text);
            font-weight:700;
            box-shadow:none;
            padding:1rem 1.1rem;
        }
        .qa .accordion-button:not(.collapsed){
            color:var(--primary);
            background:#f6fbff;
        }
        .qa .accordion-button:focus{
            box-shadow:none;
            border-color:#cde0f4;
        }
        .qa .accordion-body{
            color:var(--muted);
            background:#fff;
            padding:1rem 1.1rem 1.1rem;
        }
        .cta-panel{
            background:linear-gradient(135deg, #eff6fd 0%, #ffffff 100%);
            border:1px solid var(--line);
            border-radius:22px;
            padding:1.35rem;
            box-shadow:var(--shadow-sm);
        }
        .cta-panel .inner{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:1rem;
            flex-wrap:wrap;
        }
        .cta-panel h2{
            font-size:1.35rem;
            margin:0 0 .35rem;
        }
        .cta-panel p{
            margin:0;
            color:var(--muted);
            max-width:44rem;
        }
        .footer{
            margin-top:1rem;
            background:#eef4fb;
            border-top:1px solid var(--line);
        }
        .footer-top{
            padding:1.4rem 0 1rem;
        }
        .footer-cols{
            display:grid;
            grid-template-columns:1.15fr .85fr .85fr;
            gap:1.2rem;
        }
        .footer h3{
            font-size:1rem;
            margin:0 0 .8rem;
        }
        .footer p, .footer li, .footer a{
            color:var(--muted);
            font-size:.95rem;
        }
        .footer ul{
            list-style:none;
            padding:0;
            margin:0;
        }
        .footer li{
            margin-bottom:.55rem;
        }
        .footer a:hover{color:var(--primary)}
        .copyright{
            border-top:1px solid #dce6f1;
            padding:1rem 0;
            color:var(--muted);
            font-size:.92rem;
        }
        .tag-row{
            display:flex;
            flex-wrap:wrap;
            gap:.55rem;
        }
        .tag{
            display:inline-flex;
            align-items:center;
            gap:.35rem;
            padding:.4rem .7rem;
            border-radius:999px;
            background:#fff;
            border:1px solid var(--line);
            color:var(--muted);
            font-size:.88rem;
        }
        .tag strong{color:var(--primary)}
        .highlight-box{
            border-radius:16px;
            border:1px solid #dbe7f4;
            background:#fff;
            padding:1rem;
            box-shadow:var(--shadow-sm);
        }
        .highlight-box h3{
            font-size:1.03rem;
            margin:0 0 .5rem;
        }
        .highlight-box p{
            margin:0;
            color:var(--muted);
            font-size:.95rem;
        }
        @media (max-width: 991.98px){
            .hero-inner,
            .updates-wrap,
            .footer-cols{
                grid-template-columns:1fr;
            }
            .topic-grid,
            .feature-list{
                grid-template-columns:repeat(2,1fr);
            }
            .search-box{min-width:220px}
        }
        @media (max-width: 767.98px){
            .hero-inner{
                padding:1.2rem;
                min-height:auto;
            }
            .hero h1{font-size:2rem}
            .section-head{
                flex-direction:column;
                align-items:flex-start;
            }
            .topic-grid,
            .feature-list{
                grid-template-columns:1fr;
            }
            .search-box{
                width:100%;
                min-width:0;
            }
            .nav-wrap{
                width:100%;
                justify-content:space-between;
            }
            .scroll-card{
                min-width:240px;
                flex-basis:240px;
            }
        }

/* roulang page: category2 */
:root{
      --primary:#2f69c7;
      --primary-strong:#1f56ad;
      --primary-soft:#eaf2ff;
      --accent:#1c8f9c;
      --accent-soft:#e7f7f8;
      --warm:#f4b15d;
      --bg:#f6f9fd;
      --surface:#ffffff;
      --surface-2:#f2f6fb;
      --text:#17324d;
      --muted:#67809a;
      --border:#dbe5f0;
      --shadow:0 14px 34px rgba(29, 64, 112, 0.10);
      --shadow-soft:0 8px 22px rgba(29, 64, 112, 0.07);
      --radius:8px;
      --radius-sm:6px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        linear-gradient(180deg, #f9fbfe 0%, #f4f8fc 100%);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
      line-height:1.65;
      letter-spacing:0;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .2s ease, opacity .2s ease, transform .2s ease;
    }
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
    }
    ::selection{
      background:rgba(47,105,199,.16);
      color:var(--text);
    }
    .container-xl{max-width:var(--container)}
    .section-gap{padding:42px 0}
    .section-sm{padding:24px 0}
    .surface{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .surface-plain{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
    }
    .muted{color:var(--muted)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      font-size:.82rem;
      font-weight:600;
      color:var(--primary);
      background:var(--primary-soft);
      border:1px solid #d6e3fb;
      border-radius:999px;
      padding:.32rem .72rem;
    }
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1.1rem;
    }
    .section-head h2{
      margin:0;
      font-size:1.55rem;
      line-height:1.2;
      font-weight:800;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:56ch;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1020;
      background:rgba(247,250,254,.92);
      backdrop-filter:saturate(140%) blur(10px);
      border-bottom:1px solid rgba(219,229,240,.9);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.7rem;
      font-weight:800;
      font-size:1.08rem;
      letter-spacing:0;
      color:var(--text);
    }
    .brand-mark{
      width:36px;
      height:36px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
      color:#fff;
      box-shadow:0 8px 18px rgba(47,105,199,.24);
      flex:none;
    }
    .navbar{position:static}
    .navbar-nav{
      gap:.25rem;
    }
    .nav-link{
      padding:.72rem .95rem !important;
      border-radius:999px;
      color:#35516b;
      font-weight:600;
      font-size:.96rem;
      transition:background-color .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--primary);
      background:rgba(47,105,199,.07);
    }
    .nav-link.active{
      color:var(--primary-strong) !important;
      background:rgba(47,105,199,.12);
    }
    .navbar-toggler{
      width:44px;
      height:44px;
      border-radius:10px;
      background:var(--surface);
      border:1px solid var(--border) !important;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 .2rem rgba(47,105,199,.15);
    }
    .navbar-toggler-icon{
      width:1.1em;
      height:1.1em;
    }
    .search-box{
      position:relative;
      min-width:260px;
    }
    .search-box i{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      color:#8aa0b6;
      pointer-events:none;
      font-size:.95rem;
    }
    .search-box .form-control{
      height:44px;
      padding-left:2.35rem;
      border-radius:10px;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:none;
    }
    .search-box .form-control:focus{
      border-color:#9fc0f4;
      box-shadow:0 0 0 .2rem rgba(47,105,199,.12);
    }

    .btn{
      border-radius:10px;
      padding:.78rem 1.05rem;
      font-weight:700;
      letter-spacing:0;
      transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 12px 22px rgba(29, 64, 112, 0.10);
    }
    .btn-primary{
      background:linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
      border:1px solid var(--primary-strong);
      color:#fff;
    }
    .btn-primary:hover,
    .btn-primary:focus{
      background:linear-gradient(180deg, #356fcd 0%, #1d55ac 100%);
      border-color:#1d55ac;
      color:#fff;
    }
    .btn-outline-primary{
      color:var(--primary-strong);
      border-color:#b8cbeb;
      background:#fff;
    }
    .btn-outline-primary:hover,
    .btn-outline-primary:focus{
      color:var(--primary-strong);
      background:var(--primary-soft);
      border-color:#9cb8e3;
    }
    .btn-light-soft{
      background:var(--surface-2);
      color:var(--text);
      border:1px solid var(--border);
    }
    .btn-light-soft:hover{
      background:#fff;
      color:var(--primary-strong);
      border-color:#cad7e5;
    }

    .hero{
      padding:34px 0 18px;
    }
    .hero-wrap{
      padding:0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:1.3rem;
      align-items:stretch;
    }
    .hero-copy{
      padding:10px 0;
    }
    .breadcrumb-lite{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-bottom:1rem;
    }
    .breadcrumb-lite a,
    .breadcrumb-lite span{
      font-size:.88rem;
      color:var(--muted);
    }
    .breadcrumb-lite span.sep{
      color:#9ab0c3;
    }
    .hero h1{
      margin:0 0 .9rem;
      font-size:clamp(2rem, 3vw, 3.25rem);
      line-height:1.12;
      font-weight:900;
      letter-spacing:0;
      max-width:14ch;
    }
    .hero p.lead{
      margin:0 0 1.3rem;
      font-size:1.04rem;
      color:#4f6780;
      max-width:52ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem;
      margin-bottom:1rem;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      align-items:center;
      color:var(--muted);
      font-size:.92rem;
    }
    .hero-note .dot{
      width:5px;
      height:5px;
      border-radius:50%;
      background:#aac0d6;
      display:inline-block;
    }
    .hero-panel{
      background:
        linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(245,249,253,.98) 100%);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
      display:flex;
      flex-direction:column;
      gap:.95rem;
      overflow:hidden;
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:1rem;
    }
    .panel-top h2{
      margin:0;
      font-size:1.08rem;
      font-weight:800;
    }
    .panel-top p{
      margin:.25rem 0 0;
      color:var(--muted);
      font-size:.92rem;
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.38rem .65rem;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent);
      font-size:.82rem;
      font-weight:700;
      white-space:nowrap;
    }
    .panel-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:.75rem;
    }
    .panel-stat{
      border:1px solid var(--border);
      border-radius:var(--radius);
      padding:.88rem .9rem;
      background:#fff;
    }
    .panel-stat .num{
      font-size:1.3rem;
      font-weight:900;
      line-height:1.1;
      color:var(--primary-strong);
    }
    .panel-stat .label{
      font-size:.86rem;
      color:var(--muted);
      margin-top:.2rem;
    }
    .panel-list{
      display:grid;
      gap:.7rem;
    }
    .panel-item{
      display:flex;
      gap:.8rem;
      align-items:flex-start;
      padding:.82rem .85rem;
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius);
    }
    .panel-item .icon{
      width:34px;
      height:34px;
      flex:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:var(--primary-soft);
      color:var(--primary-strong);
      font-size:1rem;
    }
    .panel-item h3{
      margin:0 0 .15rem;
      font-size:.98rem;
      font-weight:800;
    }
    .panel-item p{
      margin:0;
      font-size:.88rem;
      color:var(--muted);
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
    }
    .tag-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.42rem .7rem;
      border-radius:999px;
      background:var(--surface-2);
      border:1px solid var(--border);
      color:#415c76;
      font-size:.86rem;
      font-weight:700;
      white-space:nowrap;
    }

    .scroll-row{
      display:flex;
      gap:1rem;
      overflow-x:auto;
      padding-bottom:.25rem;
      scroll-snap-type:x proximity;
      -webkit-overflow-scrolling:touch;
    }
    .scroll-row::-webkit-scrollbar{
      height:10px;
    }
    .scroll-row::-webkit-scrollbar-track{
      background:transparent;
    }
    .scroll-row::-webkit-scrollbar-thumb{
      background:#c6d6e8;
      border-radius:999px;
    }
    .mini-card{
      scroll-snap-align:start;
      min-width:250px;
      max-width:280px;
      flex:0 0 auto;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      padding:1rem;
    }
    .mini-card .mini-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:.75rem;
      margin-bottom:.85rem;
    }
    .mini-card .mini-head .flag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:var(--primary-strong);
      font-size:.84rem;
      font-weight:800;
    }
    .mini-card .mini-image{
      height:84px;
      border-radius:10px;
      border:1px solid #dbe7f4;
      background:
        linear-gradient(135deg, #edf4fd 0%, #ffffff 56%, #eaf2ff 100%);
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      padding:.8rem;
      margin-bottom:.85rem;
      position:relative;
      overflow:hidden;
    }
    .mini-image::before{
      content:"";
      position:absolute;
      inset:12px 12px auto auto;
      width:52px;
      height:52px;
      border-radius:14px;
      background:rgba(47,105,199,.08);
      border:1px solid rgba(47,105,199,.14);
      transform:rotate(12deg);
    }
    .mini-image .mini-bars{
      display:grid;
      gap:.35rem;
      position:relative;
      z-index:1;
    }
    .mini-image .bar{
      width:78px;
      height:8px;
      border-radius:999px;
      background:#b9d0ef;
    }
    .mini-image .bar:nth-child(2){width:114px;background:#7ea7df}
    .mini-image .bar:nth-child(3){width:92px;background:#d7e4f3}
    .mini-image .mini-pill{
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:52px;
      padding:.32rem .55rem;
      border-radius:999px;
      background:#fff;
      border:1px solid #d9e6f5;
      color:var(--primary-strong);
      font-size:.78rem;
      font-weight:800;
    }
    .mini-card h3{
      margin:0 0 .35rem;
      font-size:1rem;
      line-height:1.35;
      font-weight:800;
    }
    .mini-card p{
      margin:0 0 .8rem;
      color:var(--muted);
      font-size:.9rem;
    }
    .mini-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-bottom:.9rem;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:.3rem;
      padding:.32rem .55rem;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:#506981;
      font-size:.78rem;
      font-weight:700;
    }

    .filter-bar{
      padding:1rem;
      display:flex;
      flex-wrap:wrap;
      gap:.85rem;
      align-items:center;
      justify-content:space-between;
    }
    .filter-left,
    .filter-right{
      display:flex;
      flex-wrap:wrap;
      gap:.65rem;
      align-items:center;
    }
    .filter-label{
      color:var(--muted);
      font-size:.9rem;
      font-weight:700;
      white-space:nowrap;
    }
    .chip-btn{
      border:1px solid var(--border);
      background:#fff;
      color:#40586f;
      padding:.58rem .9rem;
      border-radius:999px;
      font-weight:700;
      font-size:.9rem;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      transition:all .2s ease;
    }
    .chip-btn:hover,
    .chip-btn:focus{
      color:var(--primary-strong);
      border-color:#bdd0ec;
      background:var(--primary-soft);
      box-shadow:0 8px 18px rgba(47,105,199,.08);
    }
    .chip-btn.active{
      background:rgba(47,105,199,.11);
      border-color:#a8c0e7;
      color:var(--primary-strong);
    }

    .topic-card{
      height:100%;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .topic-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow);
      border-color:#c8d6e6;
    }
    .topic-card .cover{
      height:136px;
      padding:1rem;
      border-bottom:1px solid #e3ebf3;
      background:
        linear-gradient(135deg, #eef5ff 0%, #ffffff 60%, #e8f3fb 100%);
      position:relative;
      overflow:hidden;
    }
    .topic-card .cover::after{
      content:"";
      position:absolute;
      right:16px;
      bottom:16px;
      width:68px;
      height:68px;
      border-radius:18px;
      background:rgba(28,143,156,.08);
      border:1px solid rgba(28,143,156,.16);
      transform:rotate(-8deg);
    }
    .topic-card .cover-label{
      position:absolute;
      left:1rem;
      top:1rem;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.32rem .6rem;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      border:1px solid #dbe7f4;
      color:var(--primary-strong);
      font-size:.78rem;
      font-weight:800;
      z-index:1;
    }
    .topic-card .cover-bars{
      position:absolute;
      left:1rem;
      bottom:1rem;
      display:grid;
      gap:.38rem;
      width:calc(100% - 5rem);
      z-index:1;
    }
    .topic-card .cover-bars span{
      height:10px;
      border-radius:999px;
      background:#bdd1ea;
    }
    .topic-card .cover-bars span:nth-child(2){width:78%;background:#7fa7de}
    .topic-card .cover-bars span:nth-child(3){width:64%;background:#d7e6f6}
    .topic-card .body{
      padding:1rem;
    }
    .topic-card h3{
      margin:0 0 .4rem;
      font-size:1.04rem;
      line-height:1.36;
      font-weight:800;
    }
    .topic-card p{
      margin:0 0 .85rem;
      color:var(--muted);
      font-size:.92rem;
      min-height:3.15em;
    }
    .topic-card .info{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-bottom:.95rem;
    }
    .topic-card .actions{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:.8rem;
    }
    .topic-card .actions .small{
      font-size:.85rem;
      color:var(--muted);
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:1rem;
    }
    .feature-panel{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      padding:1.1rem;
      height:100%;
    }
    .feature-panel .head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:.8rem;
      margin-bottom:1rem;
    }
    .feature-panel h3{
      margin:0 0 .35rem;
      font-size:1.08rem;
      font-weight:800;
    }
    .feature-panel p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }
    .feature-panel .side-list{
      display:grid;
      gap:.75rem;
      margin-top:1rem;
    }
    .feature-row{
      display:flex;
      gap:.8rem;
      align-items:flex-start;
      padding:.78rem .8rem;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
    }
    .feature-row .rank{
      width:30px;
      height:30px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:var(--primary-soft);
      color:var(--primary-strong);
      font-size:.85rem;
      font-weight:900;
      flex:none;
    }
    .feature-row strong{
      display:block;
      margin-bottom:.15rem;
      font-size:.96rem;
    }
    .feature-row span{
      display:block;
      color:var(--muted);
      font-size:.88rem;
    }

    .timeline{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:1rem;
    }
    .step-card{
      padding:1.05rem;
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      height:100%;
    }
    .step-top{
      display:flex;
      align-items:center;
      gap:.7rem;
      margin-bottom:.8rem;
    }
    .step-num{
      width:36px;
      height:36px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:var(--primary-soft);
      color:var(--primary-strong);
      font-weight:900;
      flex:none;
    }
    .step-card h3{
      margin:0;
      font-size:1.02rem;
      font-weight:800;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    .accordion{
      display:grid;
      gap:.8rem;
    }
    .accordion-item{
      border:1px solid var(--border);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .accordion-button{
      background:#fff;
      color:var(--text);
      font-weight:800;
      padding:1rem 1.05rem;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-strong);
      background:var(--primary-soft);
    }
    .accordion-button:focus{
      border-color:#aecdff;
      box-shadow:0 0 0 .2rem rgba(47,105,199,.12);
    }
    .accordion-body{
      background:#fff;
      color:#4a627a;
      padding:1rem 1.05rem 1.05rem;
    }

    .cta-band{
      background:
        linear-gradient(135deg, rgba(47,105,199,.08) 0%, rgba(28,143,156,.07) 100%);
      border:1px solid #d5e2f1;
      border-radius:var(--radius);
      padding:1.35rem;
      box-shadow:var(--shadow-soft);
    }
    .cta-band h2{
      margin:0 0 .45rem;
      font-size:1.38rem;
      line-height:1.25;
      font-weight:900;
    }
    .cta-band p{
      margin:0;
      color:#4e657b;
      max-width:58ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem;
      justify-content:flex-end;
      align-items:center;
    }

    .pagination-wrap{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      align-items:center;
      justify-content:space-between;
      margin-top:1rem;
    }
    .pagination{
      margin:0;
    }
    .page-link{
      color:#4a627a;
      border-color:#d6e1ed;
      background:#fff;
      border-radius:10px;
      margin:0 .16rem;
      font-weight:700;
    }
    .page-link:hover{
      color:var(--primary-strong);
      background:var(--primary-soft);
      border-color:#bfd0ea;
    }
    .page-item.active .page-link{
      background:var(--primary);
      border-color:var(--primary);
      color:#fff;
    }

    .footer{
      margin-top:28px;
      background:#eef4fb;
      border-top:1px solid #d9e4ef;
    }
    .footer-top{
      padding:2.2rem 0 1.8rem;
    }
    .footer-cols{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:1.3rem;
    }
    .footer p{
      margin:0;
      color:#55708a;
      max-width:38ch;
    }
    .footer h3{
      margin:0 0 .9rem;
      font-size:1rem;
      font-weight:800;
      color:var(--text);
    }
    .footer ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:.55rem;
    }
    .footer a{
      color:#4c6881;
    }
    .footer a:hover{
      color:var(--primary-strong);
    }
    .copyright{
      border-top:1px solid #d9e4ef;
      padding:1rem 0;
      color:#627d96;
      font-size:.9rem;
    }

    .badge-soft{
      border-radius:999px;
      padding:.35rem .6rem;
      background:var(--surface-2);
      border:1px solid var(--border);
      color:#51677d;
      font-weight:700;
      font-size:.78rem;
    }
    .list-inline-clean{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
      padding:0;
      margin:0;
      list-style:none;
    }

    .btn-group-tight .btn{
      padding:.55rem .8rem;
      border-radius:10px;
    }

    .jump-box{
      display:flex;
      flex-wrap:wrap;
      gap:.7rem;
      align-items:center;
      justify-content:space-between;
      margin-top:1rem;
    }
    .jump-box .jump-links{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
    }

    .divider-line{
      height:1px;
      background:linear-gradient(90deg, transparent 0%, #d8e3ef 18%, #d8e3ef 82%, transparent 100%);
      margin:0;
      border:0;
    }

    @media (max-width: 991.98px){
      .hero-grid,
      .feature-grid,
      .footer-cols{
        grid-template-columns:1fr;
      }
      .timeline{
        grid-template-columns:1fr;
      }
      .cta-actions{
        justify-content:flex-start;
        margin-top:1rem;
      }
      .search-box{
        min-width:0;
        width:100%;
      }
      .nav-link{
        border-radius:10px;
      }
      .navbar-collapse{
        padding:1rem 0 0;
      }
    }
    @media (max-width: 767.98px){
      .section-gap{padding:30px 0}
      .hero{
        padding-top:24px;
      }
      .hero h1{
        max-width:none;
      }
      .panel-grid{
        grid-template-columns:1fr;
      }
      .filter-bar{
        padding:.95rem;
      }
      .filter-left,
      .filter-right{
        width:100%;
      }
      .filter-right{
        justify-content:flex-start;
      }
      .cta-band{
        padding:1.1rem;
      }
      .pagination-wrap{
        gap:1rem;
      }
      .pagination{
        width:100%;
        justify-content:flex-start;
      }
    }
    @media (max-width: 519.98px){
      .brand{
        font-size:1rem;
      }
      .brand-mark{
        width:34px;
        height:34px;
      }
      .hero-actions .btn,
      .cta-actions .btn{
        width:100%;
        justify-content:center;
      }
      .hero-note{
        font-size:.88rem;
      }
      .topic-card .actions{
        flex-direction:column;
        align-items:flex-start;
      }
      .topic-card .actions .btn{
        width:100%;
        justify-content:center;
      }
      .mini-card{
        min-width:228px;
      }
    }

/* roulang page: category1 */
:root {
            --bg: #f6f9fc;
            --surface: #ffffff;
            --surface-soft: #f8fbff;
            --primary: #215dff;
            --primary-strong: #1747ca;
            --primary-soft: #eaf1ff;
            --teal: #1ca79b;
            --gold: #d68b1a;
            --text: #162033;
            --muted: #5f6f84;
            --border: #d9e3ef;
            --shadow: 0 12px 30px rgba(29, 51, 84, 0.08);
            --shadow-sm: 0 8px 18px rgba(29, 51, 84, 0.06);
            --radius: 8px;
            --bs-primary: var(--primary);
            --bs-primary-rgb: 33, 93, 255;
            --bs-body-bg: var(--bg);
            --bs-body-color: var(--text);
            --bs-border-color: var(--border);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            letter-spacing: 0;
            text-rendering: optimizeLegibility;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

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

        :focus-visible {
            outline: 0;
            box-shadow: 0 0 0 0.2rem rgba(33, 93, 255, 0.14);
        }

        .container-xl {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(246, 249, 252, 0.94);
            border-bottom: 1px solid rgba(217, 227, 239, 0.95);
            backdrop-filter: blur(10px);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 800;
            color: var(--text);
            min-width: 0;
            letter-spacing: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            flex: 0 0 auto;
        }

        .brand span:last-child {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .navbar-nav .nav-link {
            padding: 0.65rem 0.95rem;
            border-radius: 999px;
            color: var(--muted);
            font-weight: 600;
            transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .navbar-nav .nav-link:active {
            transform: translateY(1px);
        }

        .navbar-toggler {
            padding: 0.55rem 0.7rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
        }

        .navbar-toggler-icon {
            width: 1.15rem;
            height: 1.15rem;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(22,32,51,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .search-box {
            position: relative;
            min-width: 280px;
        }

        .search-box i {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            pointer-events: none;
        }

        .search-box input {
            padding-left: 2.45rem;
            height: 44px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: none;
        }

        .search-box input::placeholder {
            color: #8a97a8;
        }

        .form-control,
        .form-select {
            min-height: 44px;
            border-color: var(--border);
        }

        .form-control:focus,
        .form-select:focus {
            border-color: rgba(33, 93, 255, 0.45);
            box-shadow: 0 0 0 0.2rem rgba(33, 93, 255, 0.08);
        }

        .btn {
            border-radius: 8px;
            font-weight: 700;
            transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: linear-gradient(180deg, var(--primary), var(--primary-strong));
            border-color: var(--primary-strong);
            box-shadow: 0 10px 22px rgba(33, 93, 255, 0.16);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(180deg, #2b67ff, var(--primary-strong));
            border-color: var(--primary-strong);
            box-shadow: 0 12px 24px rgba(33, 93, 255, 0.18);
        }

        .btn-outline-primary {
            color: var(--primary);
            border-color: #c7d4ea;
            background: #fff;
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 10px 22px rgba(33, 93, 255, 0.12);
        }

        .tag,
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.35rem 0.62rem;
            border-radius: 999px;
            background: var(--surface-soft);
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: 0.84rem;
            font-weight: 700;
            letter-spacing: 0;
        }

        .badge-soft {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: #dbe6ff;
        }

        .hero-section {
            padding: 1.35rem 0 1rem;
        }

        .update-bar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .countdown {
            font-variant-numeric: tabular-nums;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0;
        }

        .hero-left,
        .hero-panel,
        .topic-card,
        .content-card,
        .scroll-card,
        .cta-panel,
        .stat,
        .faq .accordion-item {
            min-width: 0;
        }

        .hero-left h1 {
            margin: 0 0 1rem;
            font-size: clamp(2rem, 3vw, 3.3rem);
            line-height: 1.12;
            letter-spacing: 0;
        }

        .hero-subtitle {
            margin: 0;
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 58ch;
        }

        .hero-search {
            margin-top: 1rem;
            max-width: 560px;
        }

        .hero-search input {
            height: 54px;
            padding-left: 2.7rem;
        }

        .hero-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .hero-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .hero-panel {
            height: 100%;
            padding: 1.2rem;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .panel-list {
            display: grid;
            gap: 0.75rem;
        }

        .panel-row {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            padding: 0.85rem 0.9rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fafcff;
        }

        .panel-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            font-size: 1.1rem;
        }

        .panel-row strong {
            display: block;
            font-size: 1rem;
            line-height: 1.35;
            margin-bottom: 0.15rem;
        }

        .panel-row p {
            margin: 0;
            color: var(--muted);
            font-size: 0.94rem;
            line-height: 1.55;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 0.75rem;
        }

        .hero-panel .stats-grid {
            margin-top: 0.95rem;
        }

        .stat {
            padding: 0.95rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
        }

        .stat .stat-head {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            margin-bottom: 0.45rem;
        }

        .stat .stat-head i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .stat strong {
            display: block;
            font-size: 1rem;
            line-height: 1.3;
        }

        .stat small {
            color: var(--muted);
            line-height: 1.55;
        }

        .section {
            padding: 1.25rem 0;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: end;
            gap: 1rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .section-head h2 {
            margin: 0;
            font-size: 1.45rem;
            line-height: 1.25;
            letter-spacing: 0;
        }

        .section-head p {
            margin: 0.3rem 0 0;
            color: var(--muted);
        }

        .scroll-rail {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.25rem;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }

        .scroll-rail::-webkit-scrollbar {
            height: 8px;
        }

        .scroll-rail::-webkit-scrollbar-thumb {
            background: #c9d7ea;
            border-radius: 999px;
        }

        .scroll-card {
            min-width: 280px;
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            padding: 1rem;
            transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
        }

        .scroll-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: #c8d5e7;
        }

        .scroll-card .thumb {
            height: 120px;
            border-radius: 8px;
            background: linear-gradient(135deg, #edf4ff, #f9fcff);
            border: 1px solid #dfe8f6;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 0.9rem;
        }

        .scroll-card h3 {
            font-size: 1.06rem;
            margin: 0.65rem 0 0.45rem;
            line-height: 1.35;
        }

        .scroll-card p {
            margin: 0;
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .meta-row {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            align-items: center;
            color: var(--muted);
            font-size: 0.88rem;
        }

        .filter-bar {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            align-items: center;
            padding: 0.85rem 1rem;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 8px;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
        }

        .filter-bar .form-select,
        .filter-bar .form-control {
            border-radius: 999px;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1rem;
        }

        .content-card {
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
        }

        .content-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: #c8d5e7;
        }

        .content-card .visual {
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #edf4ff, #f9fcff);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 2rem;
        }

        .content-card .body {
            padding: 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            min-width: 0;
            flex: 1 1 auto;
        }

        .content-card h3,
        .topic-card h3,
        .cta-panel h2 {
            margin: 0;
            font-size: 1.08rem;
            line-height: 1.38;
            letter-spacing: 0;
        }

        .content-card p,
        .topic-card p {
            margin: 0;
            color: var(--muted);
            font-size: 0.96rem;
            line-height: 1.6;
        }

        .content-card .actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            margin-top: auto;
        }

        .topic-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 1rem;
        }

        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            padding: 1.2rem;
            transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
        }

        .topic-card.highlight {
            background: linear-gradient(180deg, #ffffff, #f8fbff);
        }

        .topic-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: #c8d5e7;
        }

        .topic-list {
            display: grid;
            gap: 0.75rem;
            margin: 1rem 0 0;
            padding: 0;
            list-style: none;
        }

        .topic-list li {
            display: flex;
            gap: 0.65rem;
            align-items: flex-start;
        }

        .topic-list i {
            color: var(--teal);
            margin-top: 0.2rem;
            flex: 0 0 auto;
        }

        .topic-mini {
            display: grid;
            gap: 0.75rem;
        }

        .topic-mini .topic-card {
            height: 100%;
        }

        .link-card {
            display: block;
            color: inherit;
        }

        .link-card .topic-card {
            height: 100%;
        }

        .link-card:hover {
            color: inherit;
        }

        .faq .accordion-item {
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 0.85rem;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .faq .accordion-button {
            background: #fff;
            box-shadow: none;
            font-weight: 700;
            color: var(--text);
            padding: 1rem 1.1rem;
        }

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

        .faq .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(33, 93, 255, 0.12);
        }

        .faq .accordion-body {
            color: var(--muted);
            line-height: 1.7;
        }

        .cta-panel {
            padding: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            background: linear-gradient(180deg, #ffffff, #f8fbff);
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        .footer {
            margin-top: 1.5rem;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .footer-top {
            padding: 2rem 0 1.3rem;
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 1.5rem;
        }

        .footer-cols h3 {
            margin: 0 0 0.8rem;
            font-size: 1rem;
            line-height: 1.35;
        }

        .footer-cols p,
        .footer-cols li,
        .copyright {
            color: var(--muted);
        }

        .footer-cols ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 0.55rem;
        }

        .footer-cols a:hover {
            color: var(--primary);
        }

        .copyright {
            border-top: 1px solid var(--border);
            padding: 1rem 0;
            font-size: 0.92rem;
        }

        .small-note {
            color: var(--muted);
            font-size: 0.92rem;
        }

        .stats-wide {
            margin-top: 0.2rem;
        }

        @media (max-width: 1199.98px) {
            .content-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .topic-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 991.98px) {
            .search-box {
                width: 100%;
                min-width: 0;
            }

            .navbar-collapse {
                margin-top: 0.75rem;
                padding: 1rem;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 8px;
                box-shadow: var(--shadow-sm);
            }

            .hero-left h1 {
                font-size: clamp(1.9rem, 8vw, 2.8rem);
            }

            .stats-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .footer-cols {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .content-grid {
                grid-template-columns: 1fr;
            }

            .scroll-card {
                min-width: 250px;
                flex-basis: 250px;
            }

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

            .section-head {
                align-items: flex-start;
            }

            .cta-panel {
                align-items: flex-start;
            }
        }

        @media (max-width: 519.98px) {
            .hero-actions,
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }

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

            .scroll-card {
                min-width: 230px;
                flex-basis: 230px;
            }

            .brand span:last-child {
                max-width: 11rem;
            }
        }