/* roulang page: index */
:root{
      --bg: #f3f6fb;
      --bg-soft: #eef3f9;
      --surface: #fffdf8;
      --surface-2: #f8fbff;
      --surface-3: #f0f5fb;
      --primary: #4b5f7c;
      --primary-deep: #32445c;
      --accent: #7f95b3;
      --accent-2: #a6b8d3;
      --text: #1d2938;
      --muted: #5f6c82;
      --line: #dbe4ef;
      --line-strong: #c8d3e2;
      --shadow-sm: 0 10px 30px rgba(39, 58, 84, .08);
      --shadow: 0 18px 50px rgba(39, 58, 84, .10);
      --shadow-lg: 0 26px 80px rgba(39, 58, 84, .14);
      --radius-xs: 12px;
      --radius-sm: 16px;
      --radius: 22px;
      --radius-lg: 28px;
      --container: 1320px;
      --transition: all .28s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(127,149,179,.11), transparent 30%),
        radial-gradient(circle at 85% 8%, rgba(166,184,211,.12), transparent 24%),
        linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
      font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.65;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    ::selection{background:rgba(75,95,124,.16); color:var(--primary-deep)}
    a{color:inherit; text-decoration:none; transition:var(--transition)}
    a:hover{color:var(--primary-deep)}
    img{max-width:100%; display:block}
    button, input, textarea, select{font:inherit}
    button:focus, input:focus, textarea:focus, select:focus{outline:none}
    .container-xxl{max-width:var(--container)}
    .text-muted-custom{color:var(--muted) !important}
    .section-block{padding: 96px 0; position:relative}
    .section-block.tight{padding: 72px 0}
    .section-alt{
      background: linear-gradient(180deg, rgba(248,251,255,.92) 0%, rgba(238,243,249,.92) 100%);
      border-top:1px solid rgba(219,228,239,.55);
      border-bottom:1px solid rgba(219,228,239,.55);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      padding:.45rem .9rem;
      border:1px solid rgba(75,95,124,.12);
      border-radius:999px;
      background: rgba(255,255,255,.72);
      color: var(--primary);
      font-weight:700;
      font-size:.86rem;
      letter-spacing:.02em;
      box-shadow: 0 8px 24px rgba(39, 58, 84, .05);
    }
    .eyebrow i{font-size:.82rem}
    h1,h2,h3,h4,h5,h6{letter-spacing:-.02em}
    .section-head{
      max-width: 780px;
      margin-bottom: 2rem;
    }
    .section-head h2{
      font-size: clamp(1.8rem, 2.8vw, 2.8rem);
      line-height:1.15;
      margin: .8rem 0 1rem;
      color: var(--primary-deep);
      font-weight: 800;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 1.02rem;
    }

    /* Header */
    .site-header{
      position: sticky;
      top:0;
      z-index: 1030;
      background: rgba(247, 249, 252, .94);
      border-bottom: 1px solid rgba(219,228,239,.8);
      transition: var(--transition);
    }
    .site-header.scrolled{
      box-shadow: 0 14px 36px rgba(39,58,84,.08);
      background: rgba(247, 249, 252, .98);
    }
    .navbar{
      padding: 1rem 0;
      transition: var(--transition);
    }
    .site-header.scrolled .navbar{padding: .72rem 0}
    .brand-mark{
      display:flex;
      align-items:center;
      gap:.82rem;
      min-width: 0;
    }
    .brand-badge{
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display:grid;
      place-items:center;
      background: linear-gradient(135deg, var(--primary) 0%, #7b8fae 100%);
      color:#fff;
      box-shadow: var(--shadow-sm);
      flex: 0 0 auto;
    }
    .brand-badge i{font-size:1.05rem}
    .brand-text{
      min-width:0;
      line-height:1.08;
    }
    .brand-text strong{
      display:block;
      font-size: 1.03rem;
      font-weight: 800;
      color: var(--primary-deep);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-text span{
      display:block;
      margin-top:.28rem;
      font-size:.76rem;
      color:var(--muted);
      white-space: nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .navbar-nav{
      gap:.35rem;
    }
    .nav-link-pill{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.72rem 1rem;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .nav-link-pill:hover,
    .nav-link-pill:focus-visible{
      background: rgba(75,95,124,.08);
      color: var(--primary-deep);
      border-color: rgba(75,95,124,.08);
      transform: translateY(-1px);
    }
    .nav-link-pill.active{
      background: rgba(75,95,124,.12);
      color: var(--primary-deep);
      border-color: rgba(75,95,124,.12);
      box-shadow: 0 10px 22px rgba(39,58,84,.06);
    }
    .nav-link-pill i{font-size:.82rem}

    .command-search{
      display:flex;
      align-items:center;
      gap:.75rem;
      min-width: 260px;
      max-width: 320px;
      width: 100%;
      padding: .62rem .9rem;
      background: rgba(255,255,255,.88);
      border: 1px solid var(--line);
      border-radius: 999px;
      box-shadow: 0 10px 24px rgba(39,58,84,.06);
      transition: var(--transition);
    }
    .command-search:hover{
      border-color: rgba(75,95,124,.24);
      box-shadow: 0 14px 32px rgba(39,58,84,.08);
      transform: translateY(-1px);
    }
    .command-search i{
      color: var(--primary);
      font-size: .95rem;
      flex: 0 0 auto;
    }
    .command-search input{
      border:none;
      background:transparent;
      width:100%;
      font-size:.95rem;
      color:var(--text);
      padding:0;
      box-shadow:none;
    }
    .command-search input::placeholder{color:#93a1b6}
    .search-kbd{
      flex:0 0 auto;
      font-size:.72rem;
      font-weight:700;
      color:var(--muted);
      padding:.23rem .46rem;
      border-radius:8px;
      border:1px solid #d7e0ea;
      background: #edf3f9;
      letter-spacing:.02em;
    }
    .site-header .btn-cta{
      border-radius: 999px;
      padding: .83rem 1.28rem;
      font-weight: 800;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .navbar-toggler{
      border:1px solid var(--line);
      background: rgba(255,255,255,.84);
      border-radius: 14px;
      padding: .62rem .72rem;
      box-shadow: 0 8px 20px rgba(39,58,84,.05);
    }
    .navbar-toggler:focus{box-shadow: 0 0 0 .2rem rgba(75,95,124,.18)}

    .offcanvas{
      background: linear-gradient(180deg, rgba(249,251,253,.98) 0%, rgba(242,246,251,.98) 100%);
      border-left: 1px solid rgba(219,228,239,.85);
    }
    .offcanvas-header{
      border-bottom:1px solid rgba(219,228,239,.8);
    }
    .offcanvas .nav-link-pill{
      width:100%;
      justify-content:flex-start;
      border-radius: 16px;
      padding: .92rem 1rem;
    }

    /* Buttons */
    .btn{
      border-radius: 999px;
      padding: .88rem 1.28rem;
      font-weight: 800;
      transition: var(--transition);
    }
    .btn:focus-visible{
      box-shadow: 0 0 0 .24rem rgba(75,95,124,.18);
    }
    .btn-primary-custom{
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      border: 1px solid transparent;
      color:#fff;
      box-shadow: 0 14px 34px rgba(50,68,92,.24);
    }
    .btn-primary-custom:hover,
    .btn-primary-custom:focus-visible{
      color:#fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(50,68,92,.28);
      background: linear-gradient(135deg, #425873 0%, #2f4057 100%);
    }
    .btn-secondary-custom{
      background: rgba(255,255,255,.9);
      border: 1px solid var(--line);
      color: var(--primary-deep);
      box-shadow: 0 10px 24px rgba(39,58,84,.06);
    }
    .btn-secondary-custom:hover,
    .btn-secondary-custom:focus-visible{
      background: #fff;
      border-color: rgba(75,95,124,.28);
      color: var(--primary-deep);
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(39,58,84,.10);
    }
    .btn-sm-pill{
      padding: .65rem 1rem;
      font-size: .92rem;
    }

    /* Hero */
    .hero{
      position:relative;
      padding: 84px 0 70px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.34) 0%, rgba(255,255,255,0) 100%),
        radial-gradient(circle at 12% 20%, rgba(127,149,179,.13), transparent 22%),
        radial-gradient(circle at 85% 15%, rgba(166,184,211,.14), transparent 20%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
      gap: 2rem;
      align-items:center;
    }
    .hero h1{
      font-size: clamp(2.6rem, 4.4vw, 4.55rem);
      line-height: 1.08;
      margin: 1rem 0 1.1rem;
      font-weight: 900;
      color: var(--primary-deep);
      max-width: 14ch;
    }
    .hero p.lead{
      font-size: 1.08rem;
      color: var(--muted);
      max-width: 58ch;
      margin-bottom: 0;
    }
    .hero-actions{
      display:flex;
      gap: .9rem;
      flex-wrap: wrap;
      margin-top: 2rem;
      align-items:center;
    }
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap: .8rem 1.2rem;
      margin-top: 1.25rem;
      color: var(--muted);
      font-size: .95rem;
    }
    .hero-notes span{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
    }
    .hero-notes i{color:var(--primary)}

    .hero-visual{
      position:relative;
      display:grid;
      gap: 1rem;
    }
    .hero-panel,
    .visual-card{
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(219,228,239,.95);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .hero-panel{
      padding: 1.2rem;
    }
    .hero-panel-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:1rem;
      margin-bottom:1rem;
    }
    .hero-panel-head .title{
      font-weight:800;
      color:var(--primary-deep);
      margin:0;
      font-size:1.02rem;
    }
    .hero-panel-head .chip{
      padding: .42rem .7rem;
      border-radius: 999px;
      background: rgba(75,95,124,.09);
      color: var(--primary-deep);
      font-size: .8rem;
      font-weight: 700;
      white-space: nowrap;
    }
    .metric-dots{
      display:flex;
      gap:.45rem;
    }
    .metric-dots span{
      width:10px;
      height:10px;
      border-radius:50%;
      background: rgba(75,95,124,.18);
    }
    .metric-dots span:nth-child(1){background:#8aa0bf}
    .metric-dots span:nth-child(2){background:#c2cddc}
    .metric-dots span:nth-child(3){background:#dce4ef}

    .path-card{
      padding: 1rem 1.1rem;
      border-radius: 20px;
      background: linear-gradient(135deg, rgba(248,251,255,.95) 0%, rgba(237,242,248,.96) 100%);
      border: 1px solid rgba(219,228,239,.95);
    }
    .path-line{
      display:flex;
      align-items:center;
      gap:.75rem;
      flex-wrap:wrap;
      margin-bottom: .9rem;
    }
    .path-line .node{
      padding: .45rem .72rem;
      background: #fff;
      border:1px solid var(--line);
      border-radius: 999px;
      font-size:.85rem;
      color: var(--muted);
      font-weight:700;
    }
    .path-line .arrow{
      color: var(--accent);
      font-size:.82rem;
    }
    .path-bars{
      display:grid;
      gap:.7rem;
    }
    .path-bars .bar-row{
      display:grid;
      gap:.38rem;
    }
    .path-bars .bar-row span{
      display:flex;
      justify-content:space-between;
      color:var(--muted);
      font-size:.83rem;
      font-weight:700;
    }
    .bar-track{
      height:10px;
      border-radius:999px;
      background: #e9eff6;
      overflow:hidden;
    }
    .bar-track i{
      display:block;
      height:100%;
      border-radius:inherit;
      background: linear-gradient(90deg, #7c90ae 0%, #506581 100%);
    }

    .mini-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 1rem;
    }
    .mini-card{
      padding: 1rem 1.05rem;
      background: rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius: 22px;
      box-shadow: var(--shadow-sm);
    }
    .mini-card .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding: .3rem .56rem;
      border-radius:999px;
      background: rgba(75,95,124,.08);
      color:var(--primary-deep);
      font-size:.75rem;
      font-weight:800;
      margin-bottom:.85rem;
    }
    .mini-card h3{
      font-size:1.02rem;
      margin:0 0 .5rem;
      color:var(--primary-deep);
      font-weight:800;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .mini-card.featured{
      grid-column: 1 / -1;
      padding: 1.15rem 1.15rem 1.2rem;
      background: linear-gradient(135deg, rgba(75,95,124,.95) 0%, rgba(50,68,92,.96) 100%);
      color:#fff;
      box-shadow: 0 24px 48px rgba(50,68,92,.26);
      border-color: rgba(255,255,255,.08);
    }
    .mini-card.featured .tag{
      background: rgba(255,255,255,.14);
      color:#fff;
    }
    .mini-card.featured p{color:rgba(255,255,255,.78)}
    .mini-card.featured h3{color:#fff}
    .mini-card.featured .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-top: .9rem;
    }
    .mini-card.featured .chip-row span{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding: .36rem .62rem;
      border-radius:999px;
      background: rgba(255,255,255,.12);
      font-size:.8rem;
      font-weight:700;
    }

    /* Stats */
    .stats-band{
      margin-top: 1rem;
    }
    .stat-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 1rem;
    }
    .stat-card{
      background: rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius: var(--radius);
      padding: 1.2rem 1.2rem 1.15rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height:100%;
    }
    .stat-card:hover{
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(75,95,124,.2);
    }
    .stat-card .value{
      font-size: clamp(1.7rem, 2vw, 2.3rem);
      line-height:1;
      font-weight: 900;
      color: var(--primary-deep);
      margin-bottom:.45rem;
    }
    .stat-card .label{
      font-weight:800;
      color: var(--text);
      margin-bottom:.3rem;
    }
    .stat-card .desc{
      color: var(--muted);
      font-size:.92rem;
      margin:0;
    }

    /* Cards */
    .card-surface{
      background: rgba(255,255,255,.92);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      overflow:hidden;
      height:100%;
    }
    .card-surface:hover{
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(75,95,124,.2);
    }
    .card-surface .pad{
      padding: 1.35rem;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
    }
    .soft-tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding: .34rem .68rem;
      border-radius:999px;
      background: #eef3f8;
      border:1px solid #dde5ef;
      color: var(--muted);
      font-size:.8rem;
      font-weight:700;
    }
    .soft-tag strong{color:var(--primary-deep)}
    .card-surface h3{
      font-size:1.22rem;
      line-height:1.28;
      margin:.95rem 0 .7rem;
      color: var(--primary-deep);
      font-weight: 800;
    }
    .card-surface p{
      color: var(--muted);
      margin:0;
    }
    .feature-list,
    .check-list{
      list-style:none;
      padding:0;
      margin: 1rem 0 0;
      display:grid;
      gap:.65rem;
    }
    .feature-list li,
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:.7rem;
      color: var(--text);
      font-size:.96rem;
    }
    .feature-list i,
    .check-list i{
      color: var(--primary);
      margin-top:.18rem;
      flex:0 0 auto;
    }

    /* Category entrance */
    .entry-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1.15rem;
    }
    .entry-card{
      position:relative;
      min-height: 320px;
      border-radius: 28px;
      padding: 1.5rem;
      background:
        radial-gradient(circle at top right, rgba(255,255,255,.16), transparent 24%),
        linear-gradient(135deg, rgba(75,95,124,.96) 0%, rgba(54,72,98,.98) 100%);
      color:#fff;
      box-shadow: var(--shadow-lg);
      overflow:hidden;
    }
    .entry-card.alt{
      background:
        radial-gradient(circle at top right, rgba(255,255,255,.18), transparent 24%),
        linear-gradient(135deg, #7e92ae 0%, #637892 100%);
    }
    .entry-card::after{
      content:"";
      position:absolute;
      inset:auto -10% -22% auto;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255,255,255,.08);
      filter: blur(2px);
    }
    .entry-card .badge-line{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      position:relative;
      z-index:1;
    }
    .entry-card .badge-line span{
      padding:.38rem .68rem;
      border-radius:999px;
      background: rgba(255,255,255,.13);
      color:#fff;
      font-size:.8rem;
      font-weight:700;
      border:1px solid rgba(255,255,255,.10);
    }
    .entry-card h3{
      position:relative;
      z-index:1;
      font-size: clamp(1.5rem, 2.1vw, 2.1rem);
      line-height:1.15;
      margin: 1rem 0 .8rem;
      color:#fff;
      font-weight: 900;
      max-width: 12ch;
    }
    .entry-card p{
      position:relative;
      z-index:1;
      color: rgba(255,255,255,.82);
      margin:0;
      max-width: 44ch;
    }
    .entry-card .mini-points{
      position:relative;
      z-index:1;
      margin: 1.1rem 0 1.35rem;
      display:grid;
      gap:.55rem;
    }
    .entry-card .mini-points span{
      display:flex;
      align-items:center;
      gap:.55rem;
      color: rgba(255,255,255,.92);
      font-weight:700;
      font-size:.95rem;
    }
    .entry-card .mini-points i{
      color:#fff;
      opacity:.9;
    }
    .entry-card .btn{
      position:relative;
      z-index:1;
      box-shadow:none;
    }

    /* Feature grid with asymmetry */
    .feature-grid{
      display:grid;
      grid-template-columns: repeat(12, minmax(0,1fr));
      gap: 1.1rem;
    }
    .feature-grid .feature-card{
      grid-column: span 4;
    }
    .feature-grid .feature-card.featured{
      grid-column: span 7;
      min-height: 100%;
      background: linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(244,248,252,.92) 100%);
      padding: 1.35rem;
    }
    .feature-grid .feature-card.small{
      grid-column: span 5;
    }
    .feature-card .icon{
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display:grid;
      place-items:center;
      background: rgba(75,95,124,.10);
      color: var(--primary-deep);
      font-size: 1.1rem;
      box-shadow: inset 0 0 0 1px rgba(75,95,124,.06);
    }
    .feature-card.featured .icon{
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      color:#fff;
    }
    .feature-card .meta{
      display:flex;
      align-items:center;
      gap:.85rem;
      margin-bottom:.9rem;
    }
    .feature-card .meta h3{
      margin:0;
      font-size:1.16rem;
    }
    .feature-card .meta p{
      margin:0;
      font-size:.9rem;
      color:var(--muted);
    }
    .feature-card .pull{
      margin-top: 1rem;
      padding: 1rem 1rem;
      border-radius: 18px;
      background: rgba(75,95,124,.06);
      border:1px solid rgba(75,95,124,.08);
    }
    .feature-card .pull strong{
      display:block;
      margin-bottom:.35rem;
      color: var(--primary-deep);
    }

    /* Scenario blocks */
    .scenario-wrap{
      display:grid;
      gap: 1.2rem;
    }
    .scenario{
      display:grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
      gap: 1.2rem;
      align-items:center;
    }
    .scenario.reverse{
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    }
    .scenario.reverse .scenario-copy{order:2}
    .scenario.reverse .scenario-visual{order:1}
    .scenario-copy,
    .scenario-visual{
      min-width:0;
    }
    .scenario-copy h3{
      font-size: clamp(1.45rem, 2vw, 2rem);
      margin: .7rem 0 .8rem;
      font-weight: 900;
      color: var(--primary-deep);
    }
    .scenario-copy p{
      color: var(--muted);
      margin-bottom: 1rem;
    }
    .scenario-copy ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.7rem;
    }
    .scenario-copy li{
      display:flex;
      align-items:flex-start;
      gap:.72rem;
      color:var(--text);
      font-size:.96rem;
    }
    .scenario-copy li i{
      color:var(--primary);
      margin-top:.2rem;
    }
    .scenario-visual .viz{
      background: rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius: 26px;
      box-shadow: var(--shadow);
      padding: 1.2rem;
    }
    .timeline{
      display:grid;
      gap: .9rem;
    }
    .timeline-item{
      display:flex;
      gap:.85rem;
      align-items:flex-start;
      padding:.85rem .95rem;
      border-radius:18px;
      background: rgba(75,95,124,.05);
      border:1px solid rgba(75,95,124,.08);
    }
    .timeline-item .dot{
      width:12px;
      height:12px;
      border-radius:50%;
      background: linear-gradient(135deg, #6780a3 0%, #40546f 100%);
      margin-top:.35rem;
      flex:0 0 auto;
      box-shadow: 0 0 0 5px rgba(75,95,124,.10);
    }
    .timeline-item strong{
      display:block;
      color:var(--primary-deep);
      margin-bottom:.2rem;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    /* Social proof */
    .proof-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1rem;
      margin-bottom: 1.3rem;
    }
    .proof-stat{
      background: rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius: var(--radius);
      padding: 1.15rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .proof-stat:hover{
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }
    .proof-stat .num{
      font-size: clamp(1.7rem, 2vw, 2.2rem);
      font-weight: 900;
      color: var(--primary-deep);
      line-height:1;
      margin-bottom:.4rem;
    }
    .proof-stat .txt{
      font-weight: 800;
      margin-bottom:.25rem;
    }
    .proof-stat .note{
      color: var(--muted);
      font-size:.92rem;
      margin:0;
    }
    .quote-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 1rem;
    }
    .quote-card{
      background: rgba(255,255,255,.92);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 1.35rem;
      box-shadow: var(--shadow-sm);
      height:100%;
    }
    .quote-card .chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding: .33rem .58rem;
      border-radius:999px;
      background: rgba(75,95,124,.09);
      color: var(--primary-deep);
      font-weight:700;
      font-size:.78rem;
      margin-bottom:.9rem;
    }
    .quote-card p{
      margin:0 0 1rem;
      color: var(--text);
      font-size: .98rem;
    }
    .quote-card .author{
      display:flex;
      align-items:center;
      gap:.65rem;
      color: var(--muted);
      font-size:.92rem;
      font-weight:700;
    }
    .quote-card .avatar{
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7b8fae 0%, #4a5f7d 100%);
      color:#fff;
      display:grid;
      place-items:center;
      font-size:.9rem;
      box-shadow: 0 10px 24px rgba(39,58,84,.14);
    }

    /* Pricing */
    .pricing-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 1rem;
      align-items:stretch;
    }
    .pricing-card{
      background: rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius: 28px;
      padding: 1.45rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position:relative;
      overflow:hidden;
      height:100%;
    }
    .pricing-card:hover{
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(75,95,124,.22);
    }
    .pricing-card.featured{
      background: linear-gradient(180deg, rgba(75,95,124,.98) 0%, rgba(50,68,92,.98) 100%);
      color:#fff;
      box-shadow: 0 26px 70px rgba(50,68,92,.28);
      transform: translateY(-6px);
      border-color: rgba(255,255,255,.08);
    }
    .pricing-card .ribbon{
      position:absolute;
      top: 18px;
      right: -34px;
      transform: rotate(35deg);
      padding: .38rem 2.2rem;
      background: rgba(255,255,255,.16);
      color:#fff;
      font-size:.76rem;
      font-weight:800;
      letter-spacing:.04em;
    }
    .pricing-card .plan{
      color: inherit;
      font-size:1.1rem;
      font-weight:900;
      margin:0 0 .35rem;
    }
    .pricing-card .price{
      font-size: clamp(2rem, 2.8vw, 3rem);
      line-height:1;
      font-weight: 900;
      margin: .75rem 0 .35rem;
      color: inherit;
    }
    .pricing-card .price span{
      font-size:.95rem;
      font-weight:700;
      opacity:.82;
    }
    .pricing-card .sub{
      color: inherit;
      opacity:.72;
      margin:0;
      font-size:.92rem;
    }
    .pricing-card .feature-list li{color:inherit}
    .pricing-card .feature-list i{color:inherit; opacity:.92}
    .pricing-card:not(.featured) .feature-list i{color:var(--primary)}
    .pricing-card .cta-row{
      display:flex;
      gap:.75rem;
      flex-wrap:wrap;
      margin-top: 1.2rem;
    }
    .pricing-card.featured .btn-secondary-custom{
      background: rgba(255,255,255,.10);
      border-color: rgba(255,255,255,.16);
      color:#fff;
    }
    .pricing-card.featured .btn-secondary-custom:hover{
      background: rgba(255,255,255,.15);
      color:#fff;
    }

    /* FAQ */
    .faq-wrap{
      max-width: 920px;
      margin: 0 auto;
    }
    .accordion-item{
      border:none;
      background:transparent;
      margin-bottom: .9rem;
    }
    .accordion-button{
      background: rgba(255,255,255,.92);
      color: var(--primary-deep);
      border:1px solid var(--line);
      border-radius: 18px !important;
      box-shadow: var(--shadow-sm);
      font-weight:800;
      padding: 1.05rem 1.2rem;
    }
    .accordion-button:not(.collapsed){
      background: linear-gradient(135deg, rgba(75,95,124,.10) 0%, rgba(255,255,255,.96) 100%);
      color: var(--primary-deep);
      border-color: rgba(75,95,124,.16);
      box-shadow: var(--shadow-sm);
    }
    .accordion-button::after{
      filter: grayscale(1) brightness(.7);
      transform: scale(.92);
    }
    .accordion-button:focus{
      box-shadow: 0 0 0 .2rem rgba(75,95,124,.14);
      border-color: rgba(75,95,124,.18);
    }
    .accordion-body{
      padding: 1rem 1.2rem 1.15rem;
      background: rgba(255,255,255,.95);
      border:1px solid var(--line);
      border-top:none;
      border-radius: 0 0 18px 18px;
      color: var(--muted);
      box-shadow: var(--shadow-sm);
    }

    /* CTA band */
    .cta-band{
      border-radius: 32px;
      background:
        radial-gradient(circle at top right, rgba(255,255,255,.12), transparent 25%),
        linear-gradient(135deg, #4d5f7b 0%, #31425b 100%);
      color:#fff;
      padding: 2rem;
      box-shadow: var(--shadow-lg);
      position:relative;
      overflow:hidden;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      inset:auto -12% -24% auto;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(255,255,255,.08);
    }
    .cta-band h2{
      font-weight:900;
      line-height:1.15;
      margin:0 0 .7rem;
      font-size: clamp(1.75rem, 2.8vw, 2.6rem);
      position:relative;
      z-index:1;
    }
    .cta-band p{
      margin:0;
      color: rgba(255,255,255,.82);
      max-width: 62ch;
      position:relative;
      z-index:1;
    }
    .cta-band .btn-row{
      display:flex;
      gap: .8rem;
      flex-wrap:wrap;
      margin-top: 1.5rem;
      position:relative;
      z-index:1;
    }
    .cta-band .btn-light{
      color: var(--primary-deep);
      background:#fff;
      border:none;
    }
    .cta-band .btn-light:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(0,0,0,.16);
    }
    .cta-band .mini-note{
      margin-top: 1rem;
      display:flex;
      flex-wrap:wrap;
      gap: .9rem 1.2rem;
      color: rgba(255,255,255,.75);
      font-size:.92rem;
      position:relative;
      z-index:1;
    }
    .cta-band .mini-note span{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
    }

    /* Footer */
    .site-footer{
      margin-top: 0;
      padding: 72px 0 28px;
      background: linear-gradient(180deg, rgba(246,249,252,.94) 0%, rgba(238,243,249,.98) 100%);
      border-top: 1px solid rgba(219,228,239,.9);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.25fr .8fr .8fr 1fr;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }
    .footer-brand{
      max-width: 36ch;
    }
    .footer-brand .brand-mark{margin-bottom:1rem}
    .footer-brand p{
      margin:0;
      color:var(--muted);
    }
    .footer-col h4{
      font-size: 1rem;
      font-weight: 900;
      margin: .4rem 0 1rem;
      color: var(--primary-deep);
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap: .65rem;
    }
    .footer-links a{
      color: var(--muted);
      font-weight:700;
    }
    .footer-links a:hover{
      color: var(--primary-deep);
      padding-left: .2rem;
    }
    .footer-meta{
      border-top: 1px solid rgba(219,228,239,.9);
      padding-top: 1rem;
      display:flex;
      flex-wrap:wrap;
      gap: .8rem 1.2rem;
      justify-content:space-between;
      color: var(--muted);
      font-size: .92rem;
    }
    .footer-meta strong{color:var(--primary-deep)}

    /* Utilities */
    .divider-line{
      height:1px;
      background: linear-gradient(90deg, transparent, rgba(219,228,239,.95), transparent);
      margin: 1.1rem 0;
    }
    .surface-note{
      padding: 1rem 1.05rem;
      background: rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius: 18px;
      color: var(--muted);
      box-shadow: var(--shadow-sm);
    }
    .inline-icon{
      width: 36px;
      height: 36px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      background: rgba(75,95,124,.10);
      color: var(--primary-deep);
      flex:0 0 auto;
    }
    .soft-slab{
      padding: 1rem 1.1rem;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(75,95,124,.06) 0%, rgba(255,255,255,.75) 100%);
      border:1px solid rgba(75,95,124,.08);
    }

    @media (max-width: 1199.98px){
      .hero-grid,
      .scenario{
        grid-template-columns: 1fr;
      }
      .scenario.reverse .scenario-copy,
      .scenario.reverse .scenario-visual{
        order: initial;
      }
      .footer-grid{
        grid-template-columns: 1fr 1fr;
      }
      .feature-grid .feature-card.featured,
      .feature-grid .feature-card.small,
      .feature-grid .feature-card{
        grid-column: span 6;
      }
      .quote-grid,
      .pricing-grid{
        grid-template-columns: 1fr 1fr;
      }
      .entry-grid{
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 991.98px){
      .section-block{padding: 76px 0}
      .hero{padding: 58px 0 52px}
      .stat-grid,
      .proof-grid{
        grid-template-columns: repeat(2, minmax(0,1fr));
      }
      .feature-grid{
        grid-template-columns: 1fr;
      }
      .feature-grid .feature-card.featured,
      .feature-grid .feature-card.small,
      .feature-grid .feature-card{
        grid-column: 1 / -1;
      }
      .command-search{display:none !important}
      .site-header .btn-cta{display:none}
      .hero h1{max-width:none}
      .mini-grid{grid-template-columns:1fr}
      .mini-card.featured{grid-column:1 / -1}
    }
    @media (max-width: 767.98px){
      .section-block{padding: 64px 0}
      .hero-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .hero-actions .btn{width:100%}
      .hero-notes{
        gap:.65rem .9rem;
      }
      .stat-grid,
      .proof-grid,
      .quote-grid,
      .pricing-grid,
      .footer-grid{
        grid-template-columns: 1fr;
      }
      .cta-band{
        padding: 1.5rem;
        border-radius: 24px;
      }
      .cta-band .btn-row .btn{
        width:100%;
      }
      .entry-card{min-height:auto}
      .entry-card h3{max-width:none}
      .hero h1{
        font-size: clamp(2.2rem, 10vw, 3.2rem);
      }
      .section-head h2{
        font-size: clamp(1.6rem, 7vw, 2.2rem);
      }
      .accordion-button,
      .accordion-body{
        border-radius: 16px !important;
      }
    }
    @media (max-width: 575.98px){
      .navbar{
        padding: .78rem 0;
      }
      .brand-badge{
        width: 42px;
        height: 42px;
        border-radius: 14px;
      }
      .brand-text strong{
        font-size:.98rem;
      }
      .brand-text span{
        font-size:.72rem;
      }
      .hero{
        padding-top: 44px;
      }
      .hero-panel,
      .card-surface .pad,
      .pricing-card,
      .quote-card,
      .stat-card,
      .proof-stat{
        padding-left: 1rem;
        padding-right: 1rem;
      }
      .hero-panel-head{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
      --color-primary:#385f83;
      --color-primary-dark:#294b6a;
      --color-primary-soft:#e8f0f6;
      --color-secondary:#7088a0;
      --color-accent:#b8a16d;
      --color-accent-soft:#f6f0df;
      --color-bg:#f7f8f4;
      --color-bg-soft:#eef3f6;
      --color-surface:#ffffff;
      --color-surface-2:#fbfcfd;
      --color-text:#1e2d3c;
      --color-muted:#66778a;
      --color-light:#8b9aab;
      --color-border:#dbe4ec;
      --shadow-xs:0 4px 14px rgba(35,55,78,.06);
      --shadow-sm:0 12px 28px rgba(35,55,78,.08);
      --shadow-md:0 22px 54px rgba(35,55,78,.12);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --container:1240px;
      --transition:all .22s ease;
      --focus:0 0 0 4px rgba(56,95,131,.18);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 3%, rgba(184,161,109,.14), transparent 28%),
        radial-gradient(circle at 88% 2%, rgba(56,95,131,.12), transparent 30%),
        linear-gradient(180deg,#fafbf8 0%,var(--color-bg) 48%,#f2f5f7 100%);
      line-height:1.65;
      font-size:16px;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--color-primary)}
    img{max-width:100%;display:block}
    button,input{font-family:inherit}
    ::selection{background:rgba(56,95,131,.18);color:var(--color-primary-dark)}

    .container-xxl{
      max-width:var(--container);
      padding-left:24px;
      padding-right:24px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(250,251,248,.94);
      border-bottom:1px solid rgba(219,228,236,.82);
      box-shadow:0 10px 32px rgba(35,55,78,.06);
      backdrop-filter:saturate(130%) blur(10px);
    }

    .site-header .navbar{
      min-height:76px;
      padding:10px 0;
    }

    .brand-mark{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--color-text);
    }

    .brand-mark:hover .brand-badge{
      transform:translateY(-1px);
      box-shadow:0 14px 28px rgba(56,95,131,.20);
    }

    .brand-badge{
      width:44px;
      height:44px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#6e8299);
      box-shadow:0 10px 20px rgba(56,95,131,.18);
      transition:var(--transition);
      flex:0 0 auto;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }

    .brand-text strong{
      font-size:17px;
      letter-spacing:.01em;
      font-weight:800;
      white-space:nowrap;
    }

    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:var(--color-muted);
      white-space:nowrap;
    }

    .navbar-nav{
      gap:8px;
      align-items:center;
      padding:6px;
      background:rgba(238,243,246,.72);
      border:1px solid rgba(219,228,236,.88);
      border-radius:999px;
    }

    .nav-link-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:10px 15px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      color:#51677c;
      line-height:1;
    }

    .nav-link-pill i{font-size:13px}
    .nav-link-pill:hover{
      color:var(--color-primary-dark);
      background:rgba(255,255,255,.82);
      box-shadow:var(--shadow-xs);
    }

    .nav-link-pill.active{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#4f7596);
      box-shadow:0 10px 22px rgba(56,95,131,.18);
    }

    .command-search{
      width:270px;
      height:44px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 12px;
      border:1px solid var(--color-border);
      border-radius:999px;
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-xs);
      transition:var(--transition);
    }

    .command-search:focus-within{
      border-color:rgba(56,95,131,.48);
      box-shadow:var(--focus);
      background:#fff;
    }

    .command-search i{color:var(--color-secondary);font-size:14px}
    .command-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      font-size:13px;
      color:var(--color-text);
    }

    .command-search input::placeholder{color:#92a0ae}
    .search-kbd{
      padding:3px 7px;
      border:1px solid var(--color-border);
      border-radius:8px;
      background:#f7f9fb;
      color:var(--color-light);
      font-size:12px;
      line-height:1;
      white-space:nowrap;
    }

    .btn{
      border-radius:999px;
      font-weight:800;
      transition:var(--transition);
      border:0;
    }

    .btn-primary-custom{
      background:linear-gradient(135deg,var(--color-primary),#4d7393);
      color:#fff;
      box-shadow:0 14px 30px rgba(56,95,131,.18);
      padding:12px 20px;
    }

    .btn-primary-custom:hover,
    .btn-primary-custom:focus{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary-dark),#3f6789);
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(56,95,131,.24);
    }

    .btn-outline-custom{
      color:var(--color-primary-dark);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(56,95,131,.22);
      padding:12px 20px;
    }

    .btn-outline-custom:hover,
    .btn-outline-custom:focus{
      color:var(--color-primary-dark);
      border-color:rgba(56,95,131,.45);
      background:#fff;
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }

    .btn:focus-visible,
    .nav-link-pill:focus-visible,
    .brand-mark:focus-visible,
    .footer-links a:focus-visible,
    .topic-chip:focus-visible{
      outline:0;
      box-shadow:var(--focus);
    }

    .btn-cta{white-space:nowrap}
    .navbar-toggler{
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--color-border);
      background:#fff;
      box-shadow:var(--shadow-xs);
    }
    .navbar-toggler:focus{box-shadow:var(--focus)}

    .offcanvas{
      background:#fbfcfd;
      color:var(--color-text);
      border-left:1px solid var(--color-border);
    }

    .offcanvas-header{
      padding:22px 22px 14px;
      border-bottom:1px solid var(--color-border);
    }

    .mobile-nav-stack{
      padding:20px 22px;
      display:grid;
      gap:12px;
    }

    .mobile-nav-stack .nav-link-pill{
      width:100%;
      justify-content:flex-start;
      border:1px solid var(--color-border);
      background:#fff;
      border-radius:16px;
      padding:14px 16px;
    }

    .mobile-nav-stack .nav-link-pill.active{
      border-color:transparent;
      background:linear-gradient(135deg,var(--color-primary),#4f7596);
    }

    .mobile-search{
      margin:4px 22px 18px;
      width:auto;
    }

    main{position:relative}
    .section{
      padding:88px 0;
      position:relative;
    }

    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--color-primary-dark);
      background:rgba(232,240,246,.86);
      border:1px solid rgba(56,95,131,.14);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }

    .eyebrow i{color:var(--color-accent)}
    .section-title{
      margin:16px 0 12px;
      font-size:clamp(28px,3vw,38px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.03em;
      color:var(--color-text);
    }

    .section-desc{
      max-width:760px;
      color:var(--color-muted);
      font-size:16px;
      margin:0;
    }

    .category-hero{
      padding:72px 0 42px;
      overflow:hidden;
    }

    .category-hero::before{
      content:"";
      position:absolute;
      inset:0 0 auto auto;
      width:520px;
      height:520px;
      background:radial-gradient(circle,rgba(56,95,131,.12),transparent 68%);
      pointer-events:none;
      transform:translate(18%,-22%);
    }

    .hero-shell{
      position:relative;
      padding:34px;
      border:1px solid rgba(219,228,236,.88);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,255,255,.90),rgba(246,249,251,.78)),
        radial-gradient(circle at 100% 0%,rgba(184,161,109,.14),transparent 42%);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }

    .hero-shell::after{
      content:"";
      position:absolute;
      right:34px;
      bottom:28px;
      width:140px;
      height:140px;
      border-radius:42px;
      border:1px solid rgba(56,95,131,.12);
      background:linear-gradient(135deg,rgba(232,240,246,.7),rgba(255,255,255,.2));
      transform:rotate(12deg);
    }

    .hero-content{position:relative;z-index:2}
    .hero-title{
      margin:18px 0 16px;
      max-width:760px;
      font-size:clamp(34px,4.7vw,54px);
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.045em;
      color:#182838;
    }

    .hero-lead{
      max-width:760px;
      color:var(--color-muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:24px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:22px 0 26px;
    }

    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }

    .trust-row li{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border:1px solid rgba(219,228,236,.92);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:#52677c;
      font-size:13px;
      font-weight:700;
    }

    .trust-row i{color:var(--color-primary)}
    .hero-panel{
      position:relative;
      z-index:2;
      display:grid;
      gap:16px;
    }

    .metric-board{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
    }

    .metric-board h2{
      margin:0 0 14px;
      font-size:20px;
      font-weight:900;
    }

    .score-line{
      display:grid;
      gap:12px;
      margin-top:18px;
    }

    .score-item{
      display:grid;
      grid-template-columns:92px 1fr 42px;
      align-items:center;
      gap:12px;
      color:#53687d;
      font-size:13px;
      font-weight:700;
    }

    .score-track{
      height:9px;
      border-radius:999px;
      background:#eef3f6;
      overflow:hidden;
    }

    .score-fill{
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--color-primary),#8ca2b6);
    }

    .quick-card{
      padding:20px;
      border-radius:22px;
      background:linear-gradient(135deg,#2c4d6a,#5c738a);
      color:#fff;
      box-shadow:0 24px 46px rgba(44,77,106,.22);
    }

    .quick-card p{margin:8px 0 0;color:rgba(255,255,255,.78)}
    .quick-card .mini-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:18px;
    }

    .mini-stat{
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.18);
    }

    .mini-stat strong{display:block;font-size:18px}
    .mini-stat span{font-size:12px;color:rgba(255,255,255,.72)}

    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px;
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.78);
      border-radius:24px;
      box-shadow:var(--shadow-xs);
    }

    .chip-group{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .topic-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 13px;
      border-radius:999px;
      border:1px solid rgba(219,228,236,.95);
      background:#fff;
      color:#566b80;
      font-size:13px;
      font-weight:800;
      cursor:pointer;
      transition:var(--transition);
    }

    .topic-chip:hover,
    .topic-chip.active{
      color:#fff;
      background:var(--color-primary);
      border-color:var(--color-primary);
      transform:translateY(-1px);
      box-shadow:0 12px 22px rgba(56,95,131,.16);
    }

    .filter-note{
      color:var(--color-muted);
      font-size:13px;
      white-space:nowrap;
    }

    .feature-layout{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);
      gap:24px;
      align-items:stretch;
      margin-top:28px;
    }

    .featured-card{
      position:relative;
      min-height:420px;
      padding:32px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(219,228,236,.86);
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(242,247,250,.86)),
        radial-gradient(circle at 88% 18%,rgba(184,161,109,.18),transparent 30%);
      box-shadow:var(--shadow-md);
      overflow:hidden;
      transition:var(--transition);
    }

    .featured-card:hover{
      transform:translateY(-3px);
      box-shadow:0 28px 62px rgba(35,55,78,.14);
    }

    .featured-card::before{
      content:"";
      position:absolute;
      right:-84px;
      top:-96px;
      width:280px;
      height:280px;
      border-radius:80px;
      background:linear-gradient(135deg,rgba(56,95,131,.14),rgba(184,161,109,.14));
      transform:rotate(24deg);
    }

    .featured-content{position:relative;z-index:2}
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--color-accent-soft);
      color:#846d35;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(184,161,109,.22);
    }

    .featured-card h2{
      margin:18px 0 12px;
      font-size:clamp(28px,3.3vw,40px);
      line-height:1.18;
      font-weight:950;
      letter-spacing:-.035em;
    }

    .featured-card p{
      max-width:680px;
      margin:0;
      color:var(--color-muted);
      line-height:1.82;
    }

    .featured-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin:26px 0;
    }

    .featured-point{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(219,228,236,.86);
    }

    .featured-point i{
      width:32px;
      height:32px;
      border-radius:11px;
      display:grid;
      place-items:center;
      margin-bottom:10px;
      color:var(--color-primary);
      background:var(--color-primary-soft);
    }

    .featured-point strong{
      display:block;
      font-size:15px;
      margin-bottom:4px;
    }

    .featured-point span{
      color:var(--color-muted);
      font-size:13px;
    }

    .side-stack{
      display:grid;
      gap:18px;
    }

    .info-card,
    .rule-card,
    .faq-card,
    .scenario-card,
    .process-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.86);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-xs);
      transition:var(--transition);
    }

    .info-card:hover,
    .rule-card:hover,
    .scenario-card:hover,
    .process-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(56,95,131,.22);
    }

    .info-card h3,
    .rule-card h3,
    .faq-card h3,
    .scenario-card h3,
    .process-card h3{
      margin:0 0 10px;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.02em;
    }

    .info-card p,
    .rule-card p,
    .scenario-card p,
    .process-card p{
      margin:0;
      color:var(--color-muted);
      font-size:15px;
    }

    .side-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:16px 0 0;
      list-style:none;
    }

    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#52677c;
      font-size:14px;
    }

    .side-list i{
      margin-top:4px;
      color:var(--color-primary);
    }

    .rules-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:28px;
    }

    .rule-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:var(--color-primary);
      background:var(--color-primary-soft);
      margin-bottom:16px;
    }

    .rule-meta{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .mini-badge{
      padding:6px 9px;
      border-radius:999px;
      background:#f4f7f9;
      border:1px solid var(--color-border);
      color:#68798a;
      font-size:12px;
      font-weight:800;
    }

    .scenario-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:26px;
      align-items:start;
      margin-top:28px;
    }

    .scenario-intro{
      position:sticky;
      top:104px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,#243e56,#60758a);
      color:#fff;
      box-shadow:0 26px 52px rgba(36,62,86,.20);
    }

    .scenario-intro h2{
      margin:14px 0 12px;
      font-size:30px;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .scenario-intro p{color:rgba(255,255,255,.76);margin:0}
    .scenario-intro .eyebrow{
      color:#f5ead0;
      background:rgba(255,255,255,.11);
      border-color:rgba(255,255,255,.18);
    }

    .scenario-list{
      display:grid;
      gap:16px;
    }

    .scenario-card{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      align-items:start;
    }

    .scenario-number{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:#eef4f8;
      color:var(--color-primary-dark);
      font-weight:950;
      font-size:18px;
    }

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:28px;
      counter-reset:step;
    }

    .process-card{
      position:relative;
      overflow:hidden;
    }

    .process-card::after{
      counter-increment:step;
      content:"0" counter(step);
      position:absolute;
      right:18px;
      top:12px;
      color:rgba(56,95,131,.10);
      font-size:42px;
      font-weight:950;
      line-height:1;
    }

    .process-card i{
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      margin-bottom:14px;
    }

    .accordion{
      margin-top:28px;
      display:grid;
      gap:12px;
    }

    .accordion-item{
      border:1px solid var(--color-border);
      border-radius:18px !important;
      overflow:hidden;
      background:rgba(255,255,255,.88);
      box-shadow:var(--shadow-xs);
    }

    .accordion-button{
      padding:20px 22px;
      color:var(--color-text);
      background:transparent;
      font-weight:900;
      border:0;
      box-shadow:none !important;
    }

    .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:#f5f8fa;
    }

    .accordion-button:focus{box-shadow:var(--focus) !important}
    .accordion-button::after{
      width:34px;
      height:34px;
      border-radius:12px;
      background-color:#eef4f8;
      background-position:center;
      background-size:14px;
    }

    .accordion-body{
      padding:0 22px 22px;
      color:var(--color-muted);
      line-height:1.8;
    }

    .cta-panel{
      position:relative;
      padding:40px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,#263f57,#60778d),
        radial-gradient(circle at 88% 20%,rgba(255,255,255,.18),transparent 30%);
      color:#fff;
      overflow:hidden;
      box-shadow:0 28px 64px rgba(38,63,87,.22);
    }

    .cta-panel::after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      right:-80px;
      bottom:-86px;
      border-radius:58px;
      border:1px solid rgba(255,255,255,.20);
      background:rgba(255,255,255,.06);
      transform:rotate(18deg);
    }

    .cta-panel h2{
      position:relative;
      z-index:2;
      margin:0 0 12px;
      font-size:clamp(28px,3vw,38px);
      font-weight:950;
      letter-spacing:-.03em;
    }

    .cta-panel p{
      position:relative;
      z-index:2;
      max-width:720px;
      color:rgba(255,255,255,.76);
      margin:0;
    }

    .cta-panel .hero-actions{position:relative;z-index:2;margin-bottom:0}
    .cta-panel .btn-primary-custom{
      color:var(--color-primary-dark);
      background:#fff;
      box-shadow:0 16px 30px rgba(0,0,0,.12);
    }

    .cta-panel .btn-primary-custom:hover{
      color:var(--color-primary-dark);
      background:#f6f8fa;
    }

    .cta-panel .btn-outline-custom{
      color:#fff;
      border-color:rgba(255,255,255,.34);
      background:rgba(255,255,255,.08);
    }

    .cta-panel .btn-outline-custom:hover{
      color:#fff;
      border-color:rgba(255,255,255,.62);
      background:rgba(255,255,255,.14);
    }

    .site-footer{
      padding:68px 0 28px;
      background:#edf2f5;
      border-top:1px solid var(--color-border);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .75fr .85fr 1fr;
      gap:34px;
      align-items:start;
    }

    .footer-brand p{
      max-width:360px;
      margin:18px 0 0;
      color:var(--color-muted);
      font-size:14px;
    }

    .footer-col h4{
      margin:4px 0 16px;
      color:var(--color-text);
      font-size:15px;
      font-weight:950;
    }

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

    .footer-links a,
    .footer-links span{
      color:#647589;
      font-size:14px;
    }

    .footer-links a:hover{
      color:var(--color-primary-dark);
      padding-left:3px;
    }

    .text-muted-custom{color:#647589}
    .footer-meta{
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(203,215,225,.9);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#6b7c8d;
      font-size:13px;
    }

    @media (max-width:1199.98px){
      .command-search{width:230px}
      .feature-layout{grid-template-columns:1fr}
      .side-stack{grid-template-columns:repeat(2,1fr)}
      .rules-grid{grid-template-columns:repeat(2,1fr)}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:991.98px){
      .site-header .navbar{min-height:68px}
      .brand-text strong{font-size:16px}
      .category-hero{padding:46px 0 28px}
      .hero-shell{padding:26px}
      .hero-panel{margin-top:24px}
      .scenario-wrap{grid-template-columns:1fr}
      .scenario-intro{position:relative;top:auto}
      .filter-bar{align-items:flex-start;flex-direction:column}
      .filter-note{white-space:normal}
    }

    @media (max-width:767.98px){
      .container-xxl{padding-left:18px;padding-right:18px}
      .section{padding:66px 0}
      .section-tight{padding:52px 0}
      .hero-shell{border-radius:24px;padding:22px}
      .hero-title{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%;justify-content:center}
      .trust-row li{width:100%;justify-content:center}
      .quick-card .mini-grid{grid-template-columns:1fr}
      .score-item{grid-template-columns:74px 1fr 36px}
      .featured-card{padding:24px;min-height:auto}
      .featured-points{grid-template-columns:1fr}
      .side-stack{grid-template-columns:1fr}
      .rules-grid{grid-template-columns:1fr}
      .scenario-card{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .cta-panel{padding:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-meta{flex-direction:column}
    }

    @media (max-width:575.98px){
      .brand-badge{width:40px;height:40px;border-radius:14px}
      .brand-text strong{max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .brand-text span{font-size:11px}
      .hero-title{font-size:31px}
      .section-title{font-size:28px}
      .filter-bar{padding:14px}
      .chip-group{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .topic-chip{white-space:nowrap}
      .featured-card h2{font-size:27px}
      .mobile-search{height:42px}
    }

/* roulang page: category2 */
:root{
  --bg: #f4f7fb;
  --bg-2: #eef3f8;
  --surface: #ffffff;
  --surface-2: #f9fbfd;
  --surface-3: #f2f6fb;
  --primary: #35597f;
  --primary-2: #24455f;
  --primary-soft: rgba(53, 89, 127, .12);
  --accent: #7e92ab;
  --accent-2: #b2c1d1;
  --text: #203043;
  --text-2: #4e5f73;
  --muted: #6d7d91;
  --line: #d9e2ec;
  --line-2: #e7edf4;
  --success: #3f8f6b;
  --warning: #b77a3c;
  --danger: #be5865;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 8px 24px rgba(33, 54, 78, .06);
  --shadow-md: 0 20px 40px rgba(33, 54, 78, .10);
  --shadow-lg: 0 28px 64px rgba(33, 54, 78, .14);
  --container: 1280px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 20px;
  --space-5: 28px;
  --space-6: 36px;
  --space-7: 56px;
  --space-8: 84px;
}

*,
*::before,
*::after{ box-sizing:border-box; }

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(53,89,127,.08), transparent 28%),
    radial-gradient(circle at top right, rgba(126,146,171,.10), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #f7f9fc 100%);
  line-height:1.7;
  overflow-x:hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; transition: .22s ease; }
a:hover{ color:var(--primary); }
button, input, textarea, select{
  font:inherit;
}
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus{
  outline:none;
  box-shadow:none;
}
::selection{
  background:rgba(53,89,127,.18);
  color:var(--primary-2);
}

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

.text-muted-custom{ color:var(--muted) !important; }
.text-primary-custom{ color:var(--primary) !important; }
.bg-surface{
  background:var(--surface);
}
.section-shell{
  padding: var(--space-8) 0;
}
.section-shell.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.48), rgba(245,248,252,.88));
  border-top:1px solid rgba(217,226,236,.6);
  border-bottom:1px solid rgba(217,226,236,.6);
}
.section-head{
  margin-bottom: var(--space-6);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 7px 14px;
  border:1px solid rgba(53,89,127,.14);
  border-radius:999px;
  background: rgba(53,89,127,.05);
  color: var(--primary);
  font-weight:600;
  font-size:13px;
  letter-spacing:.02em;
}
.eyebrow i{
  font-size:12px;
}
.section-title{
  margin:14px 0 12px;
  font-size: clamp(28px, 4vw, 38px);
  line-height:1.18;
  letter-spacing:-.02em;
  font-weight:800;
}
.section-lead{
  margin:0;
  max-width: 760px;
  color: var(--text-2);
  font-size: 16px;
}

.site-header{
  position: sticky;
  top:0;
  z-index:1030;
  background: rgba(245,248,252,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(217,226,236,.72);
  transition: .25s ease;
}
.site-header.is-scrolled{
  background: rgba(247,249,252,.94);
  box-shadow: 0 10px 28px rgba(33, 54, 78, .06);
}
.navbar{
  padding: 18px 0;
  transition: .25s ease;
}
.site-header.is-scrolled .navbar{
  padding: 12px 0;
}

.brand-mark{
  display:flex;
  align-items:center;
  gap:14px;
  min-width: 0;
}
.brand-badge{
  width:52px;
  height:52px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  color:#fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
  box-shadow: 0 16px 28px rgba(53,89,127,.22);
  flex: 0 0 auto;
}
.brand-badge i{
  font-size: 18px;
}
.brand-text{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand-text strong{
  font-size: 17px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
}
.brand-text span{
  color:var(--muted);
  font-size: 12px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.navbar-nav{
  gap:10px;
  align-items:center;
}
.nav-link-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 11px 16px;
  border-radius:999px;
  color: var(--text-2);
  border:1px solid transparent;
  background: transparent;
  font-weight:600;
  font-size:14px;
  line-height:1;
}
.nav-link-pill i{
  font-size:13px;
}
.nav-link-pill:hover,
.nav-link-pill:focus{
  color: var(--primary);
  background: rgba(53,89,127,.06);
  border-color: rgba(53,89,127,.10);
  transform: translateY(-1px);
}
.nav-link-pill.active,
.nav-link-pill[aria-current="page"]{
  color: var(--primary-2);
  background: linear-gradient(180deg, rgba(53,89,127,.10), rgba(53,89,127,.06));
  border-color: rgba(53,89,127,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.78);
}

.command-search{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 290px;
  padding: 11px 14px;
  border-radius: 16px;
  border:1px solid rgba(217,226,236,.95);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow-sm);
  color: var(--muted);
  transition: .22s ease;
}
.command-search:focus-within{
  border-color: rgba(53,89,127,.25);
  box-shadow: 0 14px 28px rgba(33,54,78,.08);
  transform: translateY(-1px);
}
.command-search i{
  color: var(--primary);
  font-size: 14px;
  flex:0 0 auto;
}
.command-search input{
  border:0;
  outline:0;
  background:transparent;
  width:100%;
  min-width:0;
  color: var(--text);
  font-size: 14px;
}
.command-search input::placeholder{
  color: #8192a6;
}
.search-kbd{
  flex:0 0 auto;
  padding: 4px 9px;
  border-radius: 8px;
  border:1px solid var(--line);
  color:#728297;
  background: var(--surface-2);
  font-size: 12px;
  line-height:1;
  font-weight:700;
}

.btn-primary-custom,
.btn-secondary-custom{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight:700;
  transition: .24s ease;
  border:1px solid transparent;
  box-shadow:none;
}
.btn-primary-custom{
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
  color:#fff;
  box-shadow: 0 16px 30px rgba(53,89,127,.22);
}
.btn-primary-custom:hover,
.btn-primary-custom:focus{
  color:#fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(53,89,127,.28);
  filter: saturate(1.02);
}
.btn-secondary-custom{
  background: rgba(255,255,255,.88);
  color: var(--primary-2);
  border-color: rgba(53,89,127,.18);
  box-shadow: var(--shadow-sm);
}
.btn-secondary-custom:hover,
.btn-secondary-custom:focus{
  color: var(--primary-2);
  transform: translateY(-2px);
  border-color: rgba(53,89,127,.30);
  background: #fff;
}
.btn-cta{
  min-width: 126px;
}

.hero-section{
  position: relative;
  padding: 82px 0 44px;
}
.hero-section::before{
  content:"";
  position:absolute;
  inset: 0 auto auto 50%;
  width: 860px;
  height: 860px;
  transform: translateX(-10%) translateY(-42%);
  background: radial-gradient(circle, rgba(53,89,127,.10) 0%, rgba(53,89,127,.06) 35%, transparent 68%);
  pointer-events:none;
  z-index:0;
}
.hero-grid{
  position: relative;
  z-index:1;
  align-items: center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 14px;
  border-radius:999px;
  background: rgba(53,89,127,.08);
  border:1px solid rgba(53,89,127,.14);
  color: var(--primary-2);
  font-size: 13px;
  font-weight:700;
  margin-bottom: 16px;
}
.hero-title{
  font-size: clamp(42px, 5vw, 56px);
  line-height:1.08;
  margin:0 0 18px;
  letter-spacing:-.04em;
  font-weight: 900;
  color: #1f3145;
}
.hero-lead{
  color: var(--text-2);
  font-size: 17px;
  max-width: 42rem;
  margin:0 0 26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom: 22px;
}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top: 8px;
}
.trust-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 9px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.82);
  border:1px solid var(--line-2);
  color: var(--text-2);
  font-size: 13px;
  box-shadow: var(--shadow-sm);
}
.trust-chip i{
  color: var(--success);
}

.hero-visual{
  position: relative;
  padding: 10px;
}
.hero-stack{
  display:grid;
  gap:18px;
}
.hero-card{
  background: rgba(255,255,255,.92);
  border:1px solid rgba(217,226,236,.92);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow:hidden;
}
.hero-card-main{
  padding: 28px;
}
.hero-card-top{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-start;
  margin-bottom: 18px;
}
.hero-card-title{
  margin: 4px 0 8px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing:-.02em;
}
.hero-card-desc{
  margin:0;
  color: var(--text-2);
  font-size: 14px;
}
.mini-status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 11px;
  border-radius:999px;
  background: rgba(63,143,107,.10);
  color: var(--success);
  font-weight:700;
  font-size: 12px;
  white-space:nowrap;
}
.mini-bars{
  display:grid;
  gap:12px;
  margin-top: 22px;
}
.bar-item{
  display:grid;
  grid-template-columns: 110px 1fr auto;
  gap:12px;
  align-items:center;
}
.bar-label{
  color: var(--text-2);
  font-size: 13px;
}
.bar-track{
  height: 10px;
  border-radius: 999px;
  background: #edf2f7;
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, #7892ad, #3f6286);
}
.bar-value{
  font-size: 13px;
  color: var(--primary-2);
  font-weight:700;
}
.hero-metrics{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.metric-card{
  padding: 18px 16px;
  background: rgba(255,255,255,.82);
  border:1px solid rgba(217,226,236,.90);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  min-height: 100px;
}
.metric-card .metric-num{
  display:block;
  font-size: 24px;
  font-weight:900;
  letter-spacing:-.03em;
  color: var(--primary-2);
  line-height:1.1;
}
.metric-card .metric-label{
  display:block;
  margin-top: 8px;
  color: var(--text-2);
  font-size: 13px;
  line-height:1.45;
}

.quick-strip{
  margin-top: 34px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.quick-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 10px 14px;
  border-radius:999px;
  border:1px solid rgba(53,89,127,.12);
  background: rgba(255,255,255,.86);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
}
.quick-tag:hover{
  border-color: rgba(53,89,127,.22);
  color: var(--primary-2);
  transform: translateY(-1px);
}
.quick-tag.active{
  background: rgba(53,89,127,.08);
  color: var(--primary-2);
}

.stats-strip{
  padding: 8px 0 18px;
}
.stats-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-item{
  position:relative;
  padding: 24px 22px;
  background: rgba(255,255,255,.9);
  border:1px solid rgba(217,226,236,.94);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  min-height: 144px;
  overflow:hidden;
}
.stat-item::after{
  content:"";
  position:absolute;
  right:-36px;
  top:-36px;
  width:110px;
  height:110px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(53,89,127,.12), transparent 68%);
}
.stat-icon{
  width: 44px;
  height: 44px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  background: rgba(53,89,127,.10);
  color: var(--primary-2);
  margin-bottom: 14px;
}
.stat-icon i{
  font-size: 17px;
}
.stat-item strong{
  display:block;
  font-size: 26px;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.03em;
}
.stat-item span{
  display:block;
  margin-top: 8px;
  color: var(--text-2);
  font-size: 13px;
}

.feature-grid{
  display:grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 18px;
}
.feature-card,
.info-card,
.scene-card,
.topic-card,
.related-card,
.side-rail,
.cta-banner,
.faq-card{
  background: rgba(255,255,255,.92);
  border:1px solid rgba(217,226,236,.95);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.feature-card{
  padding: 30px;
  min-height: 100%;
}
.feature-card.highlight{
  background: linear-gradient(180deg, rgba(53,89,127,.07), rgba(255,255,255,.96));
  border-color: rgba(53,89,127,.16);
}
.card-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 7px 12px;
  border-radius:999px;
  background: rgba(53,89,127,.08);
  color: var(--primary-2);
  font-size: 12px;
  font-weight: 700;
}
.feature-title{
  margin: 16px 0 12px;
  font-size: 24px;
  line-height:1.25;
  font-weight: 800;
  letter-spacing:-.02em;
}
.feature-text{
  color: var(--text-2);
  margin: 0 0 18px;
  font-size: 15px;
}
.list-clean{
  list-style:none;
  margin: 0;
  padding: 0;
  display:grid;
  gap: 12px;
}
.list-clean li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color: var(--text-2);
  font-size: 14px;
}
.list-clean .dot{
  width: 9px;
  height: 9px;
  border-radius:50%;
  background: linear-gradient(180deg, #7892ad, #436281);
  margin-top: 7px;
  flex:0 0 auto;
  box-shadow: 0 0 0 4px rgba(120,146,173,.12);
}

.info-card{
  padding: 24px;
}
.info-card h3{
  margin: 12px 0 10px;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 800;
}
.info-card p{
  margin:0;
  color: var(--text-2);
  font-size: 14px;
}
.info-mini{
  display:grid;
  gap: 12px;
  margin-top: 18px;
}
.info-mini .mini-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface-2);
  border:1px solid var(--line-2);
  color: var(--text-2);
  font-size: 13px;
}
.info-mini .mini-row strong{
  color: var(--primary-2);
}
.progress-soft{
  width:100%;
  height:8px;
  border-radius:999px;
  background:#edf2f7;
  overflow:hidden;
  margin-top: 10px;
}
.progress-soft span{
  display:block;
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, #8da1b8, #4f6f90);
}

.two-col{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items:start;
}
.section-panel{
  padding: 30px;
  background: rgba(255,255,255,.92);
  border:1px solid rgba(217,226,236,.95);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.section-panel h3{
  margin:0 0 12px;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.25;
}
.section-panel p{
  color: var(--text-2);
  margin:0 0 18px;
}
.panel-list{
  display:grid;
  gap:14px;
}
.panel-step{
  display:grid;
  grid-template-columns: 38px 1fr;
  gap:14px;
  align-items:flex-start;
  padding: 14px;
  border-radius: 16px;
  background: var(--surface-2);
  border:1px solid var(--line-2);
}
.step-index{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius: 13px;
  background: rgba(53,89,127,.10);
  color: var(--primary-2);
  font-weight: 800;
  flex:0 0 auto;
}
.panel-step strong{
  display:block;
  margin-bottom: 4px;
  font-size: 16px;
}
.panel-step span{
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.55;
}

.side-rail{
  position: sticky;
  top: 106px;
  padding: 24px;
}
.side-rail h3{
  margin:0 0 12px;
  font-size: 22px;
  font-weight:800;
}
.side-rail .rail-note{
  color: var(--text-2);
  font-size: 14px;
  margin:0 0 18px;
}
.side-checks{
  display:grid;
  gap: 12px;
}
.side-check{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface-2);
  border:1px solid var(--line-2);
}
.side-check i{
  color: var(--success);
  margin-top: 4px;
}
.side-check strong{
  display:block;
  font-size: 14px;
}
.side-check span{
  display:block;
  color: var(--text-2);
  font-size: 13px;
}
.rail-links{
  display:grid;
  gap:10px;
  margin-top: 18px;
}
.rail-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid rgba(53,89,127,.14);
  background: rgba(53,89,127,.05);
  color: var(--primary-2);
  font-weight:700;
}
.rail-link:hover{
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.rail-link i{
  color: var(--primary);
}

.topic-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.topic-card{
  padding: 24px;
  min-height: 100%;
  transition: .24s ease;
}
.topic-card:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.topic-card .topic-icon{
  width: 48px;
  height: 48px;
  display:grid;
  place-items:center;
  border-radius: 16px;
  background: rgba(53,89,127,.09);
  color: var(--primary-2);
  margin-bottom: 14px;
}
.topic-card h3{
  margin:0 0 10px;
  font-size: 20px;
  line-height:1.28;
  font-weight: 800;
}
.topic-card p{
  margin:0 0 14px;
  color: var(--text-2);
  font-size: 14px;
}
.topic-card ul{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:8px;
}
.topic-card li{
  color: var(--text-2);
  font-size: 13px;
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.topic-card li::before{
  content:"";
  width:7px;
  height:7px;
  margin-top: 7px;
  border-radius:50%;
  background: #8aa0b8;
  flex:0 0 auto;
}

.related-grid{
  display:grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 18px;
}
.related-card{
  padding: 28px;
}
.related-card h3{
  margin:0 0 10px;
  font-size: 24px;
  font-weight:800;
}
.related-card p{
  margin:0 0 18px;
  color: var(--text-2);
}
.related-list{
  display:grid;
  gap: 12px;
}
.related-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 16px;
  background: var(--surface-2);
  border:1px solid var(--line-2);
  transition:.22s ease;
}
.related-item:hover{
  border-color: rgba(53,89,127,.22);
  transform: translateY(-1px);
}
.related-item .meta{
  display:flex;
  align-items:center;
  gap:12px;
}
.related-item .tag{
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(53,89,127,.10);
  color: var(--primary-2);
  font-size: 12px;
  font-weight: 700;
}
.related-item strong{
  font-size: 14px;
}
.related-item span{
  color: var(--muted);
  font-size: 13px;
}

.faq-wrap{
  display:grid;
  gap: 18px;
}
.faq-card{
  padding: 8px;
}
.accordion-custom .accordion-item{
  border:0;
  background: transparent;
  border-bottom: 1px solid rgba(217,226,236,.9);
}
.accordion-custom .accordion-item:last-child{
  border-bottom:0;
}
.accordion-custom .accordion-button{
  background: transparent;
  box-shadow:none;
  color: var(--text);
  font-weight: 800;
  font-size: 15px;
  padding: 18px 14px;
  border-radius: 16px !important;
}
.accordion-custom .accordion-button:not(.collapsed){
  color: var(--primary-2);
  background: rgba(53,89,127,.06);
}
.accordion-custom .accordion-button::after{
  background-size: 16px;
  filter: grayscale(100%) contrast(70%);
}
.accordion-custom .accordion-body{
  color: var(--text-2);
  font-size: 14px;
  padding: 0 14px 18px;
}

.cta-banner{
  padding: 32px;
  background:
    linear-gradient(145deg, rgba(53,89,127,.08), rgba(255,255,255,.96)),
    #fff;
  border:1px solid rgba(53,89,127,.14);
}
.cta-banner h2{
  margin:0 0 10px;
  font-size: clamp(26px, 3vw, 34px);
  font-weight:900;
  line-height:1.18;
}
.cta-banner p{
  margin:0;
  color: var(--text-2);
  max-width: 720px;
}
.cta-actions{
  margin-top: 22px;
  display:flex;
  flex-wrap:wrap;
  gap: 12px;
}

.site-footer{
  margin-top: 18px;
  padding: 62px 0 26px;
  background: linear-gradient(180deg, rgba(245,248,252,.5), rgba(238,243,248,.96));
  border-top:1px solid rgba(217,226,236,.8);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.45fr .85fr .85fr .95fr;
  gap: 24px;
  padding-bottom: 24px;
}
.footer-brand p{
  margin: 18px 0 0;
  color: var(--text-2);
  max-width: 440px;
}
.footer-col h4{
  margin: 8px 0 16px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap: 11px;
}
.footer-links a{
  color: var(--text-2);
}
.footer-links a:hover{
  color: var(--primary);
}
.footer-links li{
  font-size: 14px;
}
.footer-meta{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding-top: 18px;
  border-top:1px solid rgba(217,226,236,.9);
  color: var(--muted);
  font-size: 13px;
  flex-wrap:wrap;
}

.offcanvas-custom{
  background: linear-gradient(180deg, rgba(251,252,254,.98), rgba(244,247,251,.98));
  border-left:1px solid rgba(217,226,236,.9);
}
.offcanvas-custom .offcanvas-header{
  padding: 18px 20px 10px;
}
.offcanvas-custom .offcanvas-body{
  padding: 10px 20px 22px;
}
.mobile-menu{
  display:grid;
  gap: 10px;
  margin: 18px 0 20px;
}
.mobile-menu .nav-link-pill{
  width:100%;
  justify-content:flex-start;
}
.mobile-search{
  margin-top: 12px;
}
.mobile-search .command-search{
  min-width: 0;
  width:100%;
}
.mobile-cta{
  margin-top: 14px;
  width:100%;
}

.navbar-toggler{
  border:1px solid rgba(53,89,127,.16);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow-sm);
}
.navbar-toggler:focus{
  box-shadow: 0 0 0 .18rem rgba(53,89,127,.14);
}
.navbar-toggler-icon{
  width: 1.15em;
  height: 1.15em;
  background-image: none;
  position:relative;
  display:inline-block;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon{
  background-color: transparent;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon span{
  content:"";
  position:absolute;
  left:0;
  width: 100%;
  height: 2px;
  border-radius:999px;
  background: var(--primary-2);
}
.navbar-toggler-icon::before{
  top:0;
  box-shadow: 0 7px 0 var(--primary-2);
}
.navbar-toggler-icon::after{
  bottom:0;
}

.focus-ring:focus-visible{
  outline: 3px solid rgba(53,89,127,.18);
  outline-offset: 2px;
}

.anchor-spacer{
  scroll-margin-top: 110px;
}

@media (max-width: 1199.98px){
  .feature-grid,
  .topic-grid,
  .stats-grid,
  .footer-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid .feature-card.highlight{
    grid-column: 1 / -1;
  }
  .two-col,
  .related-grid{
    grid-template-columns: 1fr;
  }
  .side-rail{
    position: relative;
    top:auto;
  }
  .hero-section{
    padding-top: 68px;
  }
}

@media (max-width: 991.98px){
  .command-search,
  .navbar .btn-cta{
    display:none;
  }
  .hero-grid{
    gap: 28px;
  }
  .hero-title{
    font-size: clamp(36px, 8vw, 48px);
  }
  .hero-lead{
    font-size: 16px;
  }
  .stats-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-metrics{
    grid-template-columns: 1fr;
  }
  .bar-item{
    grid-template-columns: 92px 1fr auto;
  }
}

@media (max-width: 767.98px){
  .navbar{
    padding: 14px 0;
  }
  .brand-badge{
    width:46px;
    height:46px;
    border-radius: 15px;
  }
  .brand-text strong{
    font-size: 15px;
  }
  .brand-text span{
    font-size: 11px;
  }
  .hero-section{
    padding: 54px 0 34px;
  }
  .hero-title{
    font-size: 34px;
  }
  .hero-actions,
  .cta-actions{
    flex-direction:column;
  }
  .btn-primary-custom,
  .btn-secondary-custom{
    width:100%;
  }
  .feature-grid,
  .topic-grid,
  .stats-grid,
  .footer-grid{
    grid-template-columns: 1fr;
  }
  .section-shell{
    padding: 62px 0;
  }
  .section-panel,
  .feature-card,
  .info-card,
  .related-card,
  .cta-banner,
  .side-rail{
    padding: 22px;
  }
  .bar-item{
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .bar-value{
    justify-self:start;
  }
  .footer-meta{
    flex-direction:column;
  }
}

@media (max-width: 575.98px){
  .container-xxl{
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-title{
    font-size: 30px;
  }
  .hero-badge,
  .eyebrow{
    font-size: 12px;
  }
  .quick-strip{
    gap:8px;
  }
  .quick-tag{
    width:100%;
    justify-content:center;
  }
  .panel-step{
    grid-template-columns: 1fr;
  }
  .step-index{
    width:34px;
    height:34px;
  }
}