/* roulang page: index */
:root{
      --bg:#08111f;
      --bg-soft:#0d1727;
      --bg-soft-2:#12233a;
      --surface:#0f1b2d;
      --surface-2:#152944;
      --line:rgba(148, 176, 214, .18);
      --text:#eef5ff;
      --muted:#9ab0c9;
      --primary:#4ee1c2;
      --primary-2:#28c7e6;
      --accent:#f7b84b;
      --accent-2:#9fe870;
      --danger:#ff6b7a;
      --shadow:0 16px 40px rgba(0, 0, 0, .35);
      --shadow-soft:0 10px 24px rgba(0, 0, 0, .24);
      --radius:8px;
      --radius-lg:12px;
      --container:1180px;
      --space:clamp(16px, 2vw, 28px);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(78, 225, 194, .12), transparent 50%),
        radial-gradient(1000px 500px at 110% 5%, rgba(247, 184, 75, .08), transparent 40%),
        linear-gradient(180deg, #07101d 0%, #091321 42%, #07111c 100%);
      color:var(--text);
      line-height:1.65;
      letter-spacing:0;
      min-height:100vh;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(78,225,194,.24);color:var(--text)}

    .site-wrap{
      position:relative;
      overflow:hidden;
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      background:rgba(6, 12, 22, .82);
      border-bottom:1px solid rgba(148,176,214,.12);
      box-shadow:0 8px 28px rgba(0,0,0,.18);
    }

    .navbar{
      padding:14px 0;
    }

    .navbar-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      font-size:1.05rem;
      letter-spacing:0;
      color:var(--text);
    }

    .brand-mark{
      width:34px;
      height:34px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg, rgba(78,225,194,.24), rgba(247,184,75,.16));
      border:1px solid rgba(78,225,194,.35);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
    }

    .brand-mark i{color:var(--primary)}

    .navbar .nav-link{
      color:rgba(238,245,255,.78);
      font-weight:600;
      padding:.7rem 1rem;
      border-radius:999px;
      transition:all .2s ease;
      border:1px solid transparent;
    }
    .navbar .nav-link:hover,
    .navbar .nav-link:focus{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(148,176,214,.14);
    }
    .navbar .nav-link.active{
      color:#07131d;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 10px 24px rgba(38, 199, 230, .18);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      border:1px solid rgba(78,225,194,.32);
      background:linear-gradient(135deg, rgba(78,225,194,.16), rgba(247,184,75,.16));
      color:var(--text);
      border-radius:999px;
      padding:.8rem 1rem;
      font-weight:700;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      box-shadow:0 10px 22px rgba(0,0,0,.2);
      white-space:nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus{
      transform:translateY(-1px);
      border-color:rgba(78,225,194,.55);
      box-shadow:0 14px 28px rgba(0,0,0,.24);
      color:var(--text);
    }

    .navbar-toggler{
      border:1px solid rgba(148,176,214,.18);
      box-shadow:none !important;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 .2rem rgba(78,225,194,.18) !important;
    }

    .container-wide{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    main{
      display:block;
    }

    section{
      padding:clamp(56px, 7vw, 92px) 0;
      position:relative;
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      color:var(--primary);
      font-weight:700;
      text-transform:none;
      margin-bottom:8px;
    }
    .section-kicker::before{
      content:"";
      width:26px;
      height:2px;
      background:linear-gradient(90deg, var(--primary), transparent);
      border-radius:999px;
    }

    .section-title{
      margin:0;
      font-size:clamp(1.4rem, 1.3rem + .8vw, 2.2rem);
      line-height:1.16;
      letter-spacing:0;
    }

    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:56rem;
      font-size:.98rem;
    }

    .hero{
      padding-top:24px;
    }

    .hero-surface{
      position:relative;
      overflow:hidden;
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
      background:
        linear-gradient(120deg, rgba(6,12,22,.88), rgba(7,17,28,.62)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }

    .hero-surface::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(78,225,194,.55), rgba(247,184,75,.4), transparent);
      opacity:.9;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.25fr) minmax(340px, .95fr);
      gap:28px;
      align-items:center;
      min-height:calc(100vh - 110px);
      padding:clamp(44px, 7vw, 86px) 0;
    }

    .hero-copy{
      position:relative;
      z-index:1;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      font-size:.82rem;
      font-weight:700;
      color:#07131d;
      background:linear-gradient(135deg, var(--primary), #c9fff2);
      padding:.45rem .8rem;
      border-radius:999px;
      margin-bottom:18px;
      box-shadow:0 12px 26px rgba(78,225,194,.18);
    }

    h1{
      margin:0;
      font-size:clamp(2rem, 1.6rem + 2.8vw, 4rem);
      line-height:1.05;
      letter-spacing:0;
      max-width:12ch;
    }

    .hero-lead{
      margin:18px 0 0;
      max-width:40rem;
      font-size:1.04rem;
      color:rgba(238,245,255,.82);
    }

    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }

    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.6rem .85rem;
      border-radius:999px;
      border:1px solid rgba(148,176,214,.18);
      background:rgba(8,17,31,.56);
      color:rgba(238,245,255,.9);
      font-weight:600;
      font-size:.92rem;
      backdrop-filter:blur(12px);
    }
    .meta-chip i{color:var(--primary)}

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

    .btn-main,
    .btn-alt,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      padding:.86rem 1.1rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
      line-height:1;
    }
    .btn-main{
      color:#07131d;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 14px 28px rgba(38, 199, 230, .2);
    }
    .btn-main:hover,
    .btn-main:focus{
      transform:translateY(-1px);
      color:#07131d;
      box-shadow:0 18px 34px rgba(38, 199, 230, .26);
    }
    .btn-alt{
      color:var(--text);
      border-color:rgba(247,184,75,.34);
      background:rgba(247,184,75,.08);
    }
    .btn-alt:hover,
    .btn-alt:focus{
      transform:translateY(-1px);
      color:var(--text);
      border-color:rgba(247,184,75,.55);
      background:rgba(247,184,75,.12);
    }
    .btn-ghost{
      color:var(--text);
      border-color:rgba(148,176,214,.22);
      background:rgba(255,255,255,.03);
    }
    .btn-ghost:hover,
    .btn-ghost:focus{
      transform:translateY(-1px);
      color:var(--text);
      border-color:rgba(78,225,194,.34);
      background:rgba(78,225,194,.06);
    }

    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:26px;
      padding-top:22px;
      border-top:1px solid rgba(148,176,214,.14);
    }

    .hero-note .note{
      min-width:150px;
      flex:1 1 0;
    }
    .note strong{
      display:block;
      font-size:1.35rem;
      line-height:1.1;
      color:var(--text);
      margin-bottom:.2rem;
    }
    .note span{
      color:var(--muted);
      font-size:.92rem;
    }

    .preheat-panel{
      position:relative;
      z-index:1;
      display:grid;
      gap:16px;
      padding:18px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(15,27,45,.94), rgba(10,18,30,.92));
      border:1px solid rgba(148,176,214,.16);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .preheat-panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(135deg, rgba(78,225,194,.09), transparent 40%, rgba(247,184,75,.08));
      pointer-events:none;
    }

    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      position:relative;
      z-index:1;
    }

    .panel-label{
      color:var(--muted);
      font-size:.9rem;
      margin-bottom:4px;
    }
    .panel-title{
      font-size:1.03rem;
      font-weight:800;
      margin:0;
    }
    .panel-badge{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.45rem .7rem;
      border-radius:999px;
      background:rgba(78,225,194,.12);
      color:#bfffee;
      border:1px solid rgba(78,225,194,.22);
      font-size:.84rem;
      font-weight:700;
    }

    .ring-wrap{
      position:relative;
      display:grid;
      place-items:center;
      margin:8px auto 2px;
      width:min(250px, 100%);
      aspect-ratio:1/1;
    }

    .progress-ring{
      width:100%;
      aspect-ratio:1/1;
      border-radius:50%;
      background:
        conic-gradient(var(--primary) 0 72%, rgba(255,255,255,.08) 72% 100%);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04), 0 0 28px rgba(78,225,194,.12);
      position:relative;
    }

    .progress-ring::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:50%;
      background:
        radial-gradient(circle at top, rgba(78,225,194,.08), transparent 58%),
        linear-gradient(180deg, rgba(12,19,31,.98), rgba(10,17,28,.98));
      border:1px solid rgba(148,176,214,.12);
    }

    .ring-content{
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
      text-align:center;
      z-index:1;
      padding:22px;
    }

    .ring-number{
      display:block;
      font-size:clamp(2rem, 1.6rem + 1vw, 3rem);
      font-weight:900;
      line-height:1;
      letter-spacing:0;
    }
    .ring-text{
      display:block;
      color:var(--muted);
      margin-top:6px;
      font-size:.94rem;
    }

    .countdown{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:10px;
      position:relative;
      z-index:1;
    }

    .time-box{
      padding:12px 10px;
      text-align:center;
      border-radius:var(--radius);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(148,176,214,.16);
    }
    .time-box strong{
      display:block;
      font-size:1.08rem;
      line-height:1.1;
      color:var(--text);
    }
    .time-box span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:.82rem;
    }

    .tier-list{
      display:grid;
      gap:10px;
      position:relative;
      z-index:1;
    }

    .tier-card{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 14px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.16);
    }

    .tier-card strong{
      display:block;
      font-size:.96rem;
      margin-bottom:3px;
    }
    .tier-card p{
      margin:0;
      color:var(--muted);
      font-size:.84rem;
    }
    .tier-card .tag{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.35rem .55rem;
      border-radius:999px;
      font-size:.78rem;
      font-weight:700;
      color:#07131d;
      background:linear-gradient(135deg, var(--accent), #ffe4a7);
    }

    .stacked-metrics{
      display:grid;
      gap:10px;
      position:relative;
      z-index:1;
      margin-top:4px;
    }

    .stacked-metrics .metric{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 14px;
      border-radius:var(--radius);
      background:rgba(8,17,31,.62);
      border:1px solid rgba(148,176,214,.14);
    }

    .metric .value{
      font-size:1.18rem;
      font-weight:900;
      color:var(--text);
    }
    .metric .label{
      color:var(--muted);
      font-size:.88rem;
    }
    .metric .stroke{
      color:var(--primary);
      font-weight:800;
    }

    .panel-thumb{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.16);
      position:relative;
      min-height:158px;
      background:#0b1626;
    }
    .panel-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.05) contrast(1.02);
    }
    .thumb-overlay{
      position:absolute;
      inset:auto 12px 12px 12px;
      padding:10px 12px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(7,14,24,.2), rgba(7,14,24,.88));
      border:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(8px);
    }
    .thumb-overlay strong{
      display:block;
      font-size:.94rem;
      margin-bottom:2px;
    }
    .thumb-overlay span{
      color:rgba(238,245,255,.76);
      font-size:.84rem;
    }

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

    .series-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(17,30,49,.94), rgba(10,18,30,.96));
      box-shadow:var(--shadow-soft);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:100%;
    }
    .series-card:hover{
      transform:translateY(-2px);
      border-color:rgba(78,225,194,.3);
      box-shadow:0 20px 34px rgba(0,0,0,.28);
    }

    .series-card figure{
      margin:0;
      position:relative;
      aspect-ratio: 16 / 10;
      overflow:hidden;
      border-bottom:1px solid rgba(148,176,214,.12);
    }
    .series-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease, filter .35s ease;
      filter:saturate(1.08) contrast(1.02);
    }
    .series-card:hover img{
      transform:scale(1.03);
    }
    .series-copy{
      padding:16px 16px 18px;
    }
    .series-copy h3{
      margin:0 0 8px;
      font-size:1.05rem;
      line-height:1.25;
    }
    .series-copy p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .series-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
    }
    .series-foot .mini{
      color:rgba(238,245,255,.78);
      font-size:.84rem;
    }
    .series-foot .go{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      color:var(--primary);
      font-weight:700;
      font-size:.92rem;
    }

    .poster-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(0, .9fr);
      gap:18px;
    }

    .poster{
      position:relative;
      min-height:100%;
      border-radius:var(--radius);
      overflow:hidden;
      border:1px solid rgba(148,176,214,.14);
      background:
        linear-gradient(180deg, rgba(8,17,31,.14), rgba(8,17,31,.82)),
        url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft);
      min-height:470px;
      display:flex;
      align-items:flex-end;
    }

    .poster-content{
      padding:22px;
      width:min(100%, 26rem);
    }

    .poster-content h3{
      margin:0 0 10px;
      font-size:1.38rem;
      line-height:1.18;
    }
    .poster-content p{
      margin:0;
      color:rgba(238,245,255,.82);
      font-size:.96rem;
    }

    .poster-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }

    .small-badge{
      padding:.44rem .64rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(8,17,31,.52);
      color:rgba(238,245,255,.88);
      font-size:.82rem;
      font-weight:600;
    }

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

    .feature-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(17,30,49,.94), rgba(11,19,30,.98));
      padding:18px;
      box-shadow:var(--shadow-soft);
      min-height:216px;
    }

    .feature-card::before{
      content:"";
      position:absolute;
      inset:auto -12% -20% auto;
      width:130px;
      height:130px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(78,225,194,.15), transparent 66%);
      pointer-events:none;
    }

    .feature-icon{
      width:42px;
      height:42px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(78,225,194,.12);
      border:1px solid rgba(78,225,194,.24);
      color:var(--primary);
      margin-bottom:14px;
      font-size:1.1rem;
    }

    .feature-card h3{
      font-size:1.06rem;
      margin:0 0 8px;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }

    .mini-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .mini-list .row-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 0;
      border-top:1px solid rgba(148,176,214,.12);
    }
    .mini-list .row-item:first-child{border-top:0;padding-top:0}
    .row-item i{
      color:var(--accent);
      margin-top:2px;
      flex:0 0 auto;
    }
    .row-item span{
      color:rgba(238,245,255,.88);
      font-size:.92rem;
    }

    .board{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
      gap:18px;
      align-items:start;
    }

    .board-panel{
      position:relative;
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(14,24,39,.96), rgba(9,16,27,.98));
      padding:20px;
      box-shadow:var(--shadow-soft);
    }

    .board-list{
      display:grid;
      gap:12px;
      margin-top:16px;
    }

    .board-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:14px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.12);
    }

    .num-badge{
      flex:0 0 auto;
      width:32px;
      height:32px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#07131d;
      background:linear-gradient(135deg, var(--accent), #ffe6b4);
      font-weight:900;
      font-size:.88rem;
    }
    .board-item strong{
      display:block;
      margin-bottom:4px;
      font-size:.98rem;
    }
    .board-item p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
    }

    .chart-wrap{
      display:grid;
      gap:14px;
    }

    .stat-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:12px;
    }

    .stat-card{
      border-radius:var(--radius);
      padding:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.12);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.01);
    }

    .stat-card strong{
      display:block;
      font-size:1.55rem;
      line-height:1.05;
      font-weight:900;
      margin-bottom:6px;
    }
    .stat-card span{
      color:var(--muted);
      font-size:.88rem;
    }

    .progress-list{
      display:grid;
      gap:10px;
      margin-top:4px;
    }

    .progress-item{
      padding:12px 14px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.12);
    }

    .progress-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
      font-size:.9rem;
    }
    .progress-head strong{
      font-size:.94rem;
      font-weight:700;
    }
    .progress-head span{
      color:var(--muted);
    }

    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .bar > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--primary), var(--primary-2));
      box-shadow:0 0 18px rgba(78,225,194,.24);
    }

    .updates-grid{
      display:grid;
      grid-template-columns:minmax(0, 1fr) minmax(290px, .82fr);
      gap:18px;
      align-items:start;
    }

    .update-list{
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(14,24,39,.96), rgba(9,16,27,.98));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .update-list .list-head{
      padding:18px 18px 14px;
      border-bottom:1px solid rgba(148,176,214,.12);
    }
    .update-list .list-head h3{
      margin:0 0 6px;
      font-size:1.08rem;
    }
    .update-list .list-head p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    .update-items{
      list-style:none;
      margin:0;
      padding:0;
    }

    .update-item{
      display:block;
      padding:16px 18px;
      border-bottom:1px solid rgba(148,176,214,.08);
      transition:background .18s ease;
    }
    .update-item:hover{
      background:rgba(255,255,255,.03);
    }
    .update-item:last-child{
      border-bottom:0;
    }

    .update-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:8px;
      font-size:.82rem;
      color:var(--muted);
    }

    .update-badge{
      display:inline-flex;
      align-items:center;
      padding:.25rem .55rem;
      border-radius:999px;
      background:rgba(78,225,194,.11);
      color:#c6fff3;
      border:1px solid rgba(78,225,194,.18);
      font-size:.78rem;
      font-weight:700;
    }

    .update-title{
      margin:0 0 8px;
      font-size:1rem;
      line-height:1.35;
      font-weight:700;
    }
    .update-title a{
      color:var(--text);
      transition:color .18s ease;
    }
    .update-title a:hover{color:var(--primary)}

    .update-desc{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    .news-aside{
      display:grid;
      gap:14px;
    }

    .news-feature{
      border-radius:var(--radius);
      overflow:hidden;
      background:linear-gradient(180deg, rgba(15,27,45,.96), rgba(10,18,30,.98));
      border:1px solid rgba(148,176,214,.14);
      box-shadow:var(--shadow-soft);
    }

    .news-feature figure{
      margin:0;
      aspect-ratio: 16 / 11;
      overflow:hidden;
    }
    .news-feature img{
      width:100%;
      height:100%;
      object-fit:cover;
    }

    .news-feature .content{
      padding:16px;
    }
    .news-feature .content h3{
      margin:0 0 8px;
      font-size:1.04rem;
      line-height:1.3;
    }
    .news-feature .content p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }

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

    .plan-card{
      position:relative;
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(17,30,49,.96), rgba(9,16,27,.98));
      padding:18px;
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      gap:14px;
    }

    .plan-card.recommend{
      border-color:rgba(78,225,194,.32);
      box-shadow:0 18px 34px rgba(0,0,0,.28), 0 0 0 1px rgba(78,225,194,.08) inset;
    }

    .plan-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .plan-head h3{
      margin:0 0 6px;
      font-size:1.08rem;
    }
    .plan-head p{
      margin:0;
      color:var(--muted);
      font-size:.91rem;
    }

    .plan-price{
      font-size:2rem;
      font-weight:900;
      line-height:1;
      margin:0;
    }
    .plan-price small{
      font-size:.88rem;
      color:var(--muted);
      font-weight:600;
      margin-left:4px;
    }

    .plan-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(238,245,255,.9);
      font-size:.92rem;
    }
    .plan-list i{
      color:var(--primary);
      margin-top:2px;
      flex:0 0 auto;
    }

    .plan-action{
      margin-top:auto;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }

    .ladders{
      margin-top:22px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }

    .ladder-box,
    .guarantee-box{
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(14,24,39,.96), rgba(9,16,27,.98));
      border:1px solid rgba(148,176,214,.14);
      box-shadow:var(--shadow-soft);
      padding:18px;
    }

    .ladder-steps{
      display:grid;
      gap:12px;
      margin-top:14px;
    }

    .ladder-step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 0;
      border-top:1px solid rgba(148,176,214,.1);
    }
    .ladder-step:first-child{
      border-top:0;
      padding-top:0;
    }
    .ladder-step .mark{
      width:34px;
      height:34px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#07131d;
      background:linear-gradient(135deg, var(--accent-2), #ddff98);
      font-weight:900;
      flex:0 0 auto;
    }
    .ladder-step strong{
      display:block;
      margin-bottom:3px;
      font-size:.96rem;
    }
    .ladder-step p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
    }

    .guarantee-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }

    .guarantee{
      padding:14px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.12);
      min-height:124px;
    }
    .guarantee i{
      color:var(--primary);
      font-size:1.1rem;
    }
    .guarantee strong{
      display:block;
      margin:10px 0 6px;
      font-size:.98rem;
    }
    .guarantee p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
    }

    .faq-area{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:18px;
      align-items:start;
    }

    .faq-panel{
      border-radius:var(--radius);
      border:1px solid rgba(148,176,214,.14);
      background:linear-gradient(180deg, rgba(14,24,39,.96), rgba(9,16,27,.98));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:rgba(148,176,214,.12);
      --bs-accordion-color:var(--text);
      --bs-accordion-btn-color:var(--text);
      --bs-accordion-btn-bg:transparent;
      --bs-accordion-btn-focus-border-color:transparent;
      --bs-accordion-btn-focus-box-shadow:none;
      --bs-accordion-active-bg:rgba(255,255,255,.03);
      --bs-accordion-active-color:var(--text);
      --bs-accordion-body-padding-x:1.1rem;
      --bs-accordion-body-padding-y:0 1.1rem 1rem;
      --bs-accordion-btn-padding-x:1.1rem;
      --bs-accordion-btn-padding-y:1rem;
      --bs-accordion-btn-icon-filter:invert(1) grayscale(100%);
    }

    .accordion-item{
      background:transparent;
      border-left:0;
      border-right:0;
    }
    .accordion-item:first-child{border-top:0}
    .accordion-button{
      font-weight:700;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      color:var(--text);
      background:rgba(255,255,255,.03);
    }
    .accordion-body{
      color:var(--muted);
      border-top:1px solid rgba(148,176,214,.12);
      background:rgba(255,255,255,.015);
    }

    .cta-section{
      padding-top:12px;
    }

    .cta-panel{
      border-radius:var(--radius-lg);
      border:1px solid rgba(148,176,214,.14);
      background:
        linear-gradient(140deg, rgba(15,27,45,.96), rgba(8,16,28,.98)),
        url('/assets/images/backpic/back-3.webp') right center/cover no-repeat;
      overflow:hidden;
      box-shadow:var(--shadow);
      position:relative;
    }

    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(110deg, rgba(8,16,28,.96) 0%, rgba(8,16,28,.9) 42%, rgba(8,16,28,.72) 100%);
      pointer-events:none;
    }

    .cta-inner{
      position:relative;
      z-index:1;
      padding:clamp(20px, 3vw, 30px);
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
      gap:20px;
      align-items:start;
    }

    .cta-copy h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem, 1.2rem + 1vw, 2.2rem);
      line-height:1.16;
    }
    .cta-copy p{
      margin:0;
      max-width:48rem;
      color:rgba(238,245,255,.82);
    }

    .contact-form{
      display:grid;
      gap:12px;
      padding:16px;
      border-radius:var(--radius);
      background:rgba(8,17,31,.68);
      border:1px solid rgba(148,176,214,.14);
    }

    .contact-form .form-label{
      color:rgba(238,245,255,.9);
      font-size:.9rem;
      margin-bottom:6px;
      font-weight:600;
    }

    .contact-form .form-control,
    .contact-form .form-select{
      background:rgba(255,255,255,.04);
      color:var(--text);
      border:1px solid rgba(148,176,214,.18);
      border-radius:var(--radius);
      box-shadow:none;
    }
    .contact-form .form-control::placeholder{
      color:rgba(154,176,201,.8);
    }
    .contact-form .form-control:focus,
    .contact-form .form-select:focus{
      border-color:rgba(78,225,194,.45);
      box-shadow:0 0 0 .2rem rgba(78,225,194,.14);
      background:rgba(255,255,255,.05);
      color:var(--text);
    }

    .contact-side{
      display:grid;
      gap:12px;
    }

    .contact-card{
      padding:16px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,176,214,.12);
    }
    .contact-card h3{
      margin:0 0 10px;
      font-size:1.02rem;
    }
    .contact-card ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .contact-card li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(238,245,255,.88);
      font-size:.93rem;
    }
    .contact-card i{
      color:var(--accent);
      margin-top:2px;
    }

    footer{
      border-top:1px solid rgba(148,176,214,.12);
      background:rgba(5,10,18,.9);
      padding:26px 0 30px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr) minmax(0,.8fr);
      gap:18px;
      align-items:start;
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
      font-weight:800;
      font-size:1.02rem;
    }

    .footer-text{
      color:var(--muted);
      margin:0;
      max-width:40rem;
      font-size:.94rem;
    }

    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(238,245,255,.84);
      transition:color .18s ease;
    }
    .footer-links a:hover{
      color:var(--primary);
    }

    .footer-note{
      margin-top:16px;
      padding-top:14px;
      border-top:1px solid rgba(148,176,214,.12);
      color:rgba(154,176,201,.9);
      font-size:.88rem;
    }

    .empty-state{
      padding:20px 18px;
      color:var(--muted);
      font-size:.95rem;
    }

    .focus-ring:focus,
    .btn:focus,
    .form-control:focus,
    .form-select:focus,
    .nav-link:focus,
    .navbar-toggler:focus{
      outline:none;
    }

    @media (max-width: 1199.98px){
      .hero-grid,
      .poster-grid,
      .board,
      .updates-grid,
      .membership-grid,
      .ladders,
      .faq-area,
      .cta-inner,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .poster{min-height:360px}
    }

    @media (max-width: 991.98px){
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border-radius:var(--radius-lg);
        background:rgba(8,17,31,.96);
        border:1px solid rgba(148,176,214,.14);
      }
      .navbar .nav-item + .nav-item{margin-top:6px}
      .series-grid,
      .feature-stack,
      .stat-grid,
      .guarantee-grid,
      .countdown{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      h1{max-width:none}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width: 767.98px){
      .hero-grid{
        min-height:auto;
        padding:34px 0 42px;
      }
      .series-grid,
      .feature-stack,
      .stat-grid,
      .guarantee-grid{
        grid-template-columns:1fr;
      }
      .countdown{
        grid-template-columns:repeat(4, minmax(0,1fr));
      }
      .cta-inner{
        padding:16px;
      }
      .hero-lead,
      .section-desc,
      .cta-copy p{
        font-size:.96rem;
      }
      .panel-thumb{
        min-height:140px;
      }
    }

    @media (max-width: 575.98px){
      .container-wide{
        width:min(var(--container), calc(100% - 22px));
      }
      .hero-actions,
      .hero-meta,
      .plan-action{
        flex-direction:column;
        align-items:stretch;
      }
      .btn-main,
      .btn-alt,
      .btn-ghost,
      .nav-cta{
        width:100%;
      }
      .countdown{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .panel-top{
        flex-direction:column;
        align-items:flex-start;
      }
      .stat-card strong{
        font-size:1.35rem;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #07111f;
      --bg-deep: #040816;
      --bg-soft: #0d1728;
      --surface: #101b2f;
      --surface-2: #13223a;
      --surface-3: #182945;
      --line: rgba(140, 175, 255, .16);
      --line-strong: rgba(110, 229, 255, .34);
      --text: #eaf1ff;
      --muted: #a4b1cc;
      --muted-2: #7784a3;
      --accent: #4ee6ff;
      --accent-2: #8df98b;
      --accent-3: #ffbf52;
      --accent-4: #b692ff;
      --shadow: 0 24px 70px rgba(0, 0, 0, .42);
      --shadow-soft: 0 14px 40px rgba(0, 0, 0, .28);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --space: clamp(20px, 2.6vw, 34px);
      --transition: .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 500px at 85% 0%, rgba(78,230,255,.08), transparent 55%),
        radial-gradient(900px 420px at 10% 18%, rgba(182,146,255,.10), transparent 52%),
        linear-gradient(180deg, var(--bg-deep) 0%, #06101c 14%, var(--bg) 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height:1.7;
      letter-spacing:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition), transform var(--transition), box-shadow var(--transition)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(78,230,255,.22);color:var(--text)}
    .container-wide{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter: blur(18px);
      background:rgba(4,8,22,.84);
      border-bottom:1px solid rgba(110,229,255,.14);
      box-shadow:0 8px 30px rgba(0,0,0,.18);
    }
    .topbar::after{
      content:"";
      display:block;
      height:2px;
      background:linear-gradient(90deg, transparent, rgba(78,230,255,.8), rgba(141,249,139,.78), transparent);
      opacity:.9;
    }
    .navbar{padding:.9rem 0}
    .navbar-brand{
      display:inline-flex;
      align-items:center;
      gap:.7rem;
      color:var(--text) !important;
      font-weight:800;
      letter-spacing:0;
      font-size:1.02rem;
    }
    .brand-mark,
    .footer-brand .brand-mark{
      width:2rem;
      height:2rem;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:8px;
      background:
        linear-gradient(145deg, rgba(78,230,255,.16), rgba(182,146,255,.12));
      border:1px solid rgba(78,230,255,.35);
      color:var(--accent);
      box-shadow:0 0 0 1px rgba(78,230,255,.08), 0 0 20px rgba(78,230,255,.12);
      flex:0 0 auto;
    }
    .navbar-nav{
      align-items:center;
    }
    .nav-link{
      color:rgba(234,241,255,.78) !important;
      font-size:.96rem;
      font-weight:600;
      padding:.72rem 1rem !important;
      border-radius:999px;
      border:1px solid transparent;
      transition:all var(--transition);
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--text) !important;
      border-color:rgba(78,230,255,.24);
      background:rgba(255,255,255,.03);
      box-shadow:0 0 0 3px rgba(78,230,255,.06);
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#06111e !important;
      background:linear-gradient(135deg, rgba(78,230,255,.96), rgba(141,249,139,.90));
      border-color:transparent;
      box-shadow:0 0 0 1px rgba(78,230,255,.16), 0 10px 28px rgba(78,230,255,.18);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      padding:.82rem 1.1rem;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(255,191,82,.98), rgba(255,143,60,.95));
      color:#1b1205;
      font-weight:800;
      box-shadow:0 14px 30px rgba(255,159,60,.18);
      border:1px solid rgba(255,221,158,.48);
    }
    .nav-cta:hover,
    .nav-cta:focus{
      transform:translateY(-1px);
      box-shadow:0 18px 38px rgba(255,159,60,.24);
      color:#150d04;
    }
    .navbar-toggler{
      border:1px solid rgba(110,229,255,.18);
      box-shadow:none !important;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(78,230,255,.12) !important}
    .navbar-toggler-icon{
      filter:brightness(0) invert(1);
    }
    main{position:relative}
    .hero{
      position:relative;
      overflow:hidden;
      padding: clamp(2.4rem, 4vw, 4rem) 0 clamp(2rem, 4vw, 3.5rem);
      border-bottom:1px solid rgba(110,229,255,.08);
      background:
        linear-gradient(180deg, rgba(4,8,22,.22), rgba(4,8,22,.82)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(4,8,22,.88) 0%, rgba(4,8,22,.62) 44%, rgba(4,8,22,.26) 100%),
        linear-gradient(180deg, rgba(4,8,22,.08), rgba(4,8,22,.56));
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:2px;
      background:linear-gradient(90deg, rgba(78,230,255,.04), rgba(78,230,255,.82), rgba(141,249,139,.72), rgba(255,191,82,.72), rgba(78,230,255,.04));
      opacity:.8;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: clamp(1.25rem, 3vw, 2.1rem);
      align-items:stretch;
    }
    .hero-copy{
      padding: clamp(1rem, 2vw, 1.6rem) 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.45rem .8rem;
      border-radius:999px;
      background:rgba(78,230,255,.12);
      border:1px solid rgba(78,230,255,.28);
      color:#dffbff;
      font-size:.88rem;
      font-weight:700;
      letter-spacing:0;
      box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
    }
    .hero-burst{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      margin-left:.6rem;
      padding:.44rem .72rem;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(255,191,82,.96), rgba(255,143,60,.92));
      color:#1c1205;
      font-size:.82rem;
      font-weight:900;
      text-transform:none;
      letter-spacing:0;
      box-shadow:0 14px 26px rgba(255,159,60,.18);
    }
    .hero h1{
      margin:.95rem 0 .9rem;
      font-size:clamp(2rem, 4.3vw, 4rem);
      line-height:1.08;
      letter-spacing:0;
      font-weight:900;
      max-width:12ch;
      text-wrap:balance;
    }
    .hero-lead{
      max-width:58ch;
      color:rgba(234,241,255,.85);
      font-size:1.04rem;
      margin:0 0 1.15rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin:1.1rem 0 1.3rem;
    }
    .btn-neo,
    .btn-neo-outline,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      padding:.9rem 1.15rem;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      text-decoration:none;
      line-height:1;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      min-height:48px;
    }
    .btn-neo{
      background:linear-gradient(135deg, rgba(78,230,255,.98), rgba(141,249,139,.96));
      color:#06111e;
      box-shadow:0 18px 38px rgba(78,230,255,.16);
    }
    .btn-neo:hover,
    .btn-neo:focus{
      color:#06111e;
      transform:translateY(-1px);
      box-shadow:0 22px 46px rgba(78,230,255,.20);
    }
    .btn-neo-outline{
      border-color:rgba(110,229,255,.28);
      background:rgba(255,255,255,.03);
      color:var(--text);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .btn-neo-outline:hover,
    .btn-neo-outline:focus{
      background:rgba(78,230,255,.08);
      border-color:rgba(78,230,255,.42);
      color:var(--text);
      transform:translateY(-1px);
    }
    .btn-ghost{
      background:transparent;
      border-color:rgba(255,255,255,.1);
      color:var(--muted);
    }
    .btn-ghost:hover{
      border-color:rgba(255,255,255,.18);
      color:var(--text);
      background:rgba(255,255,255,.04);
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
      margin-top:1rem;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.5rem .78rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      color:rgba(234,241,255,.84);
      font-size:.86rem;
    }
    .hero-panel{
      position:relative;
      border:1px solid rgba(110,229,255,.16);
      border-radius:18px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(15,26,45,.92), rgba(9,14,28,.95));
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .hero-art{
      position:relative;
      min-height:100%;
      padding:1rem;
    }
    .hero-art .image-frame{
      position:relative;
      border-radius:14px;
      overflow:hidden;
      border:1px solid rgba(110,229,255,.12);
      background:#09111d;
      aspect-ratio: 16 / 11;
    }
    .hero-art .image-frame img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.05) contrast(1.06);
    }
    .hero-art .image-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(4,8,22,.10), rgba(4,8,22,.42));
      pointer-events:none;
    }
    .hero-ribbon{
      position:absolute;
      top:1rem;
      left:1rem;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.48rem .72rem;
      border-radius:999px;
      background:rgba(4,8,22,.74);
      border:1px solid rgba(255,255,255,.12);
      color:#f2f7ff;
      font-size:.84rem;
      font-weight:700;
      backdrop-filter: blur(10px);
    }
    .hero-stats{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:.7rem;
      margin-top:.85rem;
    }
    .stat{
      padding:.85rem .9rem;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .stat .num{
      display:block;
      font-size:1.05rem;
      font-weight:900;
      line-height:1.1;
      color:#fff;
    }
    .stat .txt{
      display:block;
      margin-top:.25rem;
      color:var(--muted);
      font-size:.82rem;
    }
    .hero-note{
      margin-top:.75rem;
      padding:.82rem .95rem;
      border-radius:12px;
      background:linear-gradient(90deg, rgba(78,230,255,.08), rgba(141,249,139,.06));
      border:1px solid rgba(78,230,255,.18);
      color:#dce6f7;
      font-size:.92rem;
    }
    .section-band{
      padding: clamp(2.6rem, 4.4vw, 4.6rem) 0;
      border-bottom:1px solid rgba(110,229,255,.08);
      position:relative;
    }
    .section-band.alt{
      background:
        linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,0)),
        linear-gradient(90deg, rgba(78,230,255,.025), rgba(182,146,255,.03));
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1.5rem;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.5rem, 2.6vw, 2.15rem);
      line-height:1.15;
      font-weight:900;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      max-width:52ch;
      color:var(--muted);
    }
    .band-kicker{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      margin-bottom:.72rem;
      color:var(--accent);
      font-weight:800;
      font-size:.9rem;
      letter-spacing:0;
      text-transform:none;
    }
    .soft-card{
      height:100%;
      border-radius:14px;
      border:1px solid rgba(110,229,255,.12);
      background:
        linear-gradient(180deg, rgba(18,29,49,.95), rgba(11,18,31,.96));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .soft-card:hover{
      transform:translateY(-3px);
      border-color:rgba(78,230,255,.24);
      box-shadow:0 18px 44px rgba(0,0,0,.34);
    }
    .soft-card .media{
      position:relative;
      aspect-ratio: 16 / 10;
      overflow:hidden;
      border-bottom:1px solid rgba(110,229,255,.1);
    }
    .soft-card .media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .soft-card .media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(4,8,22,.05), rgba(4,8,22,.36));
      pointer-events:none;
    }
    .soft-card .body{
      padding:1.05rem 1.05rem 1.1rem;
    }
    .soft-card h3{
      margin:0 0 .45rem;
      font-size:1.08rem;
      line-height:1.35;
      font-weight:800;
    }
    .soft-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
      margin-top:.9rem;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.38rem .62rem;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dfe9ff;
      font-size:.82rem;
    }
    .pill i{color:var(--accent)}
    .feature-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:.8rem;
    }
    .feature-list li{
      display:flex;
      gap:.75rem;
      align-items:flex-start;
      padding:.95rem 1rem;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .feature-list .icon{
      width:1.85rem;
      height:1.85rem;
      border-radius:8px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(78,230,255,.12);
      color:var(--accent);
      flex:0 0 auto;
      margin-top:.1rem;
    }
    .feature-list strong{
      display:block;
      color:#fff;
      margin-bottom:.1rem;
    }
    .feature-list span{
      display:block;
      color:var(--muted);
      font-size:.94rem;
    }
    .workflow{
      position:relative;
      border-radius:18px;
      border:1px solid rgba(110,229,255,.12);
      background:linear-gradient(180deg, rgba(17,27,46,.96), rgba(10,16,28,.96));
      padding:1.1rem;
      box-shadow:var(--shadow-soft);
    }
    .workflow-steps{
      display:grid;
      gap:.85rem;
      margin:0;
      padding:0;
      list-style:none;
    }
    .workflow-steps li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.85rem;
      align-items:start;
      padding:1rem;
      border-radius:12px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .step-index{
      width:2rem;
      height:2rem;
      border-radius:8px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      color:#06111e;
      background:linear-gradient(135deg, rgba(78,230,255,.95), rgba(141,249,139,.92));
      flex:0 0 auto;
      box-shadow:0 10px 22px rgba(78,230,255,.12);
    }
    .workflow-steps h3{
      margin:0 0 .2rem;
      font-size:1.01rem;
      font-weight:800;
    }
    .workflow-steps p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }
    .evidence-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:1rem;
    }
    .evidence-card{
      border-radius:14px;
      overflow:hidden;
      border:1px solid rgba(110,229,255,.12);
      background:linear-gradient(180deg, rgba(17,27,46,.94), rgba(10,16,28,.96));
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition);
    }
    .evidence-card:hover{
      transform:translateY(-3px);
      border-color:rgba(141,249,139,.24);
    }
    .evidence-card .media{
      aspect-ratio: 16 / 9;
      position:relative;
      overflow:hidden;
    }
    .evidence-card .media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .evidence-card .content{
      padding:1rem 1rem 1.05rem;
    }
    .evidence-card .metric{
      display:flex;
      align-items:baseline;
      gap:.45rem;
      margin-bottom:.35rem;
    }
    .evidence-card .metric strong{
      font-size:1.5rem;
      font-weight:900;
      color:#fff;
      line-height:1;
    }
    .evidence-card .metric span{
      font-size:.84rem;
      color:var(--muted-2);
    }
    .evidence-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .quote-box{
      border-radius:16px;
      border:1px solid rgba(255,255,255,.09);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      padding:1.15rem 1.2rem;
      box-shadow:var(--shadow-soft);
    }
    .quote-box .quote{
      font-size:1rem;
      color:#edf4ff;
      margin:0 0 .8rem;
    }
    .quote-box .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:var(--muted);
      font-size:.92rem;
    }
    .quote-box .who strong{color:#fff}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:1rem;
    }
    .faq-item{
      border-radius:14px;
      border:1px solid rgba(110,229,255,.12);
      background:linear-gradient(180deg, rgba(17,27,46,.96), rgba(10,16,28,.96));
      padding:1rem 1.05rem;
      box-shadow:var(--shadow-soft);
    }
    .faq-item h3{
      margin:0 0 .45rem;
      font-size:1.03rem;
      font-weight:800;
    }
    .faq-item p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .cta-band{
      padding: clamp(2.6rem, 4.5vw, 4.7rem) 0;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(78,230,255,.05), rgba(4,8,22,.05)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-top:1px solid rgba(110,229,255,.08);
      border-bottom:1px solid rgba(110,229,255,.08);
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(4,8,22,.85) 0%, rgba(4,8,22,.72) 52%, rgba(4,8,22,.88) 100%);
    }
    .cta-panel{
      position:relative;
      z-index:1;
      border-radius:18px;
      border:1px solid rgba(110,229,255,.16);
      background:rgba(9,14,24,.72);
      box-shadow:var(--shadow);
      padding: clamp(1.1rem, 2.4vw, 1.6rem);
      backdrop-filter: blur(16px);
    }
    .cta-panel h2{
      margin:0 0 .55rem;
      font-size:clamp(1.45rem, 2.8vw, 2.2rem);
      font-weight:900;
      line-height:1.12;
    }
    .cta-panel p{
      margin:0;
      color:rgba(234,241,255,.82);
      max-width:62ch;
    }
    .cta-form{
      margin-top:1.2rem;
      display:grid;
      grid-template-columns: 1.1fr .9fr auto;
      gap:.8rem;
    }
    .form-control,
    .form-select{
      min-height:48px;
      border-radius:12px;
      background:rgba(255,255,255,.05);
      color:var(--text);
      border:1px solid rgba(110,229,255,.15);
      box-shadow:none;
    }
    .form-control::placeholder{
      color:rgba(164,177,204,.7);
    }
    .form-control:focus,
    .form-select:focus{
      background:rgba(255,255,255,.06);
      color:var(--text);
      border-color:rgba(78,230,255,.4);
      box-shadow:0 0 0 .25rem rgba(78,230,255,.12);
    }
    .form-select option{color:#0b1424}
    .cta-aside{
      margin-top:.9rem;
      display:flex;
      flex-wrap:wrap;
      gap:.7rem;
      color:var(--muted);
      font-size:.92rem;
    }
    .cta-aside .hint{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.42rem .7rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    footer{
      padding:2.2rem 0 2.4rem;
      background:#050914;
      border-top:1px solid rgba(110,229,255,.1);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap:1.5rem;
      align-items:start;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:.72rem;
      font-weight:900;
      font-size:1.02rem;
      color:var(--text);
      margin-bottom:.8rem;
    }
    .footer-text{
      margin:0 0 .85rem;
      color:var(--muted);
      max-width:44ch;
    }
    .footer-note{
      color:var(--muted-2);
      font-size:.9rem;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:.65rem;
    }
    .footer-links a{
      color:rgba(234,241,255,.82);
      font-size:.94rem;
    }
    .footer-links a:hover,
    .footer-links a:focus{
      color:var(--accent);
    }
    .divider-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(110,229,255,.16), transparent);
      margin:1.1rem 0 1.2rem;
    }
    .label-badge{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.34rem .62rem;
      border-radius:999px;
      font-size:.78rem;
      font-weight:800;
      background:rgba(141,249,139,.12);
      border:1px solid rgba(141,249,139,.22);
      color:#ddffe1;
    }
    .subtle-line{
      width:72px;
      height:3px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      margin-bottom:1rem;
      box-shadow:0 0 18px rgba(78,230,255,.28);
    }
    .trust-strip{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap:.9rem;
      margin-top:1.4rem;
    }
    .trust-chip{
      padding:.9rem 1rem;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dfe8f8;
    }
    .trust-chip strong{
      display:block;
      font-size:1rem;
      color:#fff;
      margin-bottom:.12rem;
    }
    .trust-chip span{
      color:var(--muted);
      font-size:.86rem;
    }
    .intro-row{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:1rem;
      align-items:stretch;
    }
    .intro-panel{
      border-radius:16px;
      border:1px solid rgba(110,229,255,.12);
      background:linear-gradient(180deg, rgba(17,27,46,.95), rgba(10,16,28,.95));
      padding:1.1rem;
      box-shadow:var(--shadow-soft);
    }
    .intro-panel h3{
      margin:0 0 .45rem;
      font-size:1.08rem;
      font-weight:800;
    }
    .intro-panel p{
      margin:0;
      color:var(--muted);
    }
    .intro-points{
      margin-top:1rem;
      display:grid;
      gap:.7rem;
    }
    .intro-point{
      display:flex;
      gap:.7rem;
      align-items:flex-start;
      padding:.9rem .95rem;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.07);
      background:rgba(255,255,255,.03);
    }
    .intro-point i{
      width:1.9rem;
      height:1.9rem;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:8px;
      color:var(--accent);
      background:rgba(78,230,255,.12);
      flex:0 0 auto;
    }
    .intro-point strong{display:block;margin-bottom:.15rem}
    .intro-point span{display:block;color:var(--muted);font-size:.94rem}
    .support-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:1rem;
    }
    .support-card{
      border-radius:14px;
      padding:1rem 1rem 1.05rem;
      border:1px solid rgba(110,229,255,.12);
      background:
        linear-gradient(180deg, rgba(18,29,49,.95), rgba(11,18,31,.95));
      box-shadow:var(--shadow-soft);
    }
    .support-card .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:.8rem;
    }
    .support-card .top .k{
      font-weight:800;
      color:#fff;
    }
    .support-card .top .chip{
      font-size:.78rem;
      color:#07111f;
      background:linear-gradient(135deg, rgba(78,230,255,.98), rgba(141,249,139,.92));
      padding:.28rem .55rem;
      border-radius:999px;
      font-weight:900;
    }
    .support-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    @media (max-width: 991.98px){
      .hero-grid,
      .intro-row,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .cta-form{
        grid-template-columns:1fr;
      }
      .evidence-grid,
      .trust-strip{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .faq-grid{
        grid-template-columns:1fr;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .navbar-collapse{
        padding:1rem 0 .2rem;
      }
      .nav-link{
        padding:.7rem .95rem !important;
      }
      .nav-cta{
        margin-top:.6rem;
      }
    }
    @media (max-width: 767.98px){
      .hero{
        padding-top:2rem;
      }
      .hero h1{
        max-width:none;
      }
      .hero-stats,
      .evidence-grid,
      .trust-strip,
      .support-grid{
        grid-template-columns:1fr;
      }
      .soft-card .body,
      .evidence-card .content,
      .quote-box,
      .faq-item,
      .support-card{
        padding-left:.95rem;
        padding-right:.95rem;
      }
      .hero-art{
        padding:.85rem;
      }
      .hero-points{
        gap:.45rem;
      }
      .mini-tag{
        width:100%;
        justify-content:flex-start;
      }
    }
    @media (max-width: 519.98px){
      .container-wide{
        width:min(var(--container), calc(100% - 22px));
      }
      .hero-actions{
        flex-direction:column;
      }
      .btn-neo,
      .btn-neo-outline,
      .btn-ghost,
      .nav-cta{
        width:100%;
      }
      .hero-burst{
        margin-left:0;
        margin-top:.6rem;
      }
      .eyebrow{
        display:inline-flex;
        flex-wrap:wrap;
        gap:.35rem;
      }
      .hero h1{
        font-size:clamp(1.8rem, 10vw, 2.5rem);
      }
      .hero-lead,
      .section-head p{
        font-size:.96rem;
      }
      .workflow{
        padding:.9rem;
      }
    }
    :focus-visible{
      outline:3px solid rgba(78,230,255,.28);
      outline-offset:2px;
    }

/* roulang page: article */
:root {
      --bg: #08101d;
      --bg-soft: #0d1728;
      --panel: rgba(11, 19, 35, 0.88);
      --panel-strong: #111c31;
      --panel-soft: #15213a;
      --line: rgba(140, 166, 214, 0.18);
      --line-strong: rgba(110, 196, 255, 0.35);
      --text: #e7eefc;
      --muted: #9eb0cd;
      --accent: #66d9ff;
      --accent-2: #ffb84d;
      --accent-3: #7c8cff;
      --success: #62e6a6;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
      --shadow-soft: 0 14px 36px rgba(0, 0, 0, 0.22);
      --radius: 8px;
      --radius-sm: 6px;
      --space: 24px;
      --space-lg: 42px;
      --max: 1240px;
    }

    * {
      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:
        radial-gradient(circle at top left, rgba(102, 217, 255, 0.08), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(255, 184, 77, 0.08), transparent 24%),
        linear-gradient(180deg, #08101d 0%, #0a1324 42%, #07111d 100%);
      color: var(--text);
      line-height: 1.7;
      letter-spacing: 0;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.32), transparent 88%);
      z-index: 0;
    }

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

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

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

    button:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus {
      outline: none;
    }

    .container-wide {
      width: min(var(--max), calc(100% - 32px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(20px);
      background: rgba(7, 13, 24, 0.74);
      border-bottom: 1px solid rgba(140, 166, 214, 0.14);
      box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    }

    .navbar {
      padding: 16px 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text) !important;
      font-weight: 800;
      font-size: 1.04rem;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #04111d;
      background: linear-gradient(135deg, var(--accent) 0%, #9ef2ff 46%, var(--accent-2) 100%);
      box-shadow: 0 0 0 1px rgba(255,255,255,0.16), 0 0 24px rgba(102, 217, 255, 0.24);
      flex: 0 0 auto;
    }

    .navbar-nav {
      align-items: center;
    }

    .navbar .nav-link {
      color: rgba(231, 238, 252, 0.84);
      padding: 10px 14px;
      border-radius: 8px;
      transition: all 0.2s ease;
      font-weight: 600;
    }

    .navbar .nav-link:hover,
    .navbar .nav-link:focus {
      color: #fff;
      background: rgba(102, 217, 255, 0.09);
      box-shadow: inset 0 0 0 1px rgba(102, 217, 255, 0.16);
    }

    .navbar .nav-link.active,
    .navbar .nav-link[aria-current="page"] {
      color: #fff;
      background: linear-gradient(135deg, rgba(102, 217, 255, 0.18), rgba(255, 184, 77, 0.14));
      box-shadow: inset 0 0 0 1px rgba(102, 217, 255, 0.22), 0 0 24px rgba(102, 217, 255, 0.1);
    }

    .nav-cta,
    .btn-neon,
    .btn-outline-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 8px;
      padding: 11px 18px;
      font-weight: 700;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
      border: 1px solid transparent;
      letter-spacing: 0;
    }

    .nav-cta,
    .btn-neon {
      color: #05101b;
      background: linear-gradient(135deg, var(--accent) 0%, #9ef2ff 45%, var(--accent-2) 100%);
      box-shadow: 0 14px 34px rgba(102, 217, 255, 0.22);
    }

    .nav-cta:hover,
    .btn-neon:hover {
      transform: translateY(-1px);
      box-shadow: 0 18px 44px rgba(102, 217, 255, 0.28);
      color: #05101b;
    }

    .btn-outline-neon {
      color: var(--text);
      background: rgba(11, 19, 35, 0.62);
      border-color: rgba(102, 217, 255, 0.28);
      box-shadow: inset 0 0 0 1px rgba(102, 217, 255, 0.04);
    }

    .btn-outline-neon:hover {
      color: #fff;
      border-color: rgba(102, 217, 255, 0.48);
      background: rgba(102, 217, 255, 0.08);
      transform: translateY(-1px);
    }

    .hero {
      position: relative;
      padding: 32px 0 18px;
      overflow: hidden;
    }

    .hero-shell {
      position: relative;
      min-height: 560px;
      border: 1px solid rgba(140, 166, 214, 0.18);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: var(--shadow);
      background:
        linear-gradient(180deg, rgba(4, 10, 20, 0.14), rgba(5, 11, 19, 0.88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(6, 12, 22, 0.72) 0%, rgba(6, 12, 22, 0.34) 48%, rgba(6, 12, 22, 0.76) 100%),
        linear-gradient(180deg, rgba(6, 12, 22, 0.28), rgba(6, 12, 22, 0.62));
      z-index: 0;
    }

    .hero-shell::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 160px;
      background: linear-gradient(180deg, transparent, rgba(8, 16, 29, 0.94));
      z-index: 0;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.2fr 0.9fr;
      gap: 24px;
      align-items: end;
      padding: 38px;
      min-height: 560px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #d3f7ff;
      font-size: 0.87rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(8, 18, 34, 0.52);
      border: 1px solid rgba(102, 217, 255, 0.26);
      width: fit-content;
      box-shadow: 0 0 0 1px rgba(255,255,255,0.04);
    }

    .hero h1 {
      margin: 16px 0 14px;
      font-size: clamp(2rem, 4.4vw, 4.3rem);
      line-height: 1.08;
      letter-spacing: 0;
      font-weight: 900;
      text-wrap: balance;
      max-width: 12ch;
    }

    .hero-lead {
      max-width: 58ch;
      color: rgba(231, 238, 252, 0.86);
      font-size: 1.03rem;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .hero-meta {
      margin-top: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(11, 19, 35, 0.58);
      border: 1px solid rgba(140, 166, 214, 0.18);
      color: rgba(231, 238, 252, 0.9);
      font-size: 0.92rem;
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
    }

    .media-panel {
      position: relative;
      align-self: stretch;
      display: grid;
      grid-template-rows: auto 1fr;
      gap: 14px;
    }

    .video-frame {
      position: relative;
      min-height: 250px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid rgba(140, 166, 214, 0.18);
      background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow: var(--shadow-soft);
    }

    .video-frame::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(7, 13, 24, 0.2), rgba(7, 13, 24, 0.76)),
        radial-gradient(circle at 35% 30%, rgba(102, 217, 255, 0.2), transparent 32%);
    }

    .play-badge {
      position: absolute;
      inset: auto auto 18px 18px;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 999px;
      color: #03111b;
      background: linear-gradient(135deg, #ffffff 0%, #a8f3ff 38%, #ffd39b 100%);
      box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
      font-weight: 800;
      border: 0;
    }

    .play-badge i {
      font-size: 1.1rem;
    }

    .play-badge:hover {
      color: #03111b;
      transform: translateY(-1px);
    }

    .stats-panel {
      border-radius: 8px;
      border: 1px solid rgba(140, 166, 214, 0.16);
      background: rgba(9, 15, 28, 0.72);
      padding: 16px;
      display: grid;
      gap: 12px;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .stat {
      padding: 14px;
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(19, 31, 52, 0.9), rgba(11, 19, 35, 0.92));
      border: 1px solid rgba(140, 166, 214, 0.14);
      min-height: 88px;
    }

    .stat strong {
      display: block;
      font-size: 1.3rem;
      color: #fff;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat span {
      color: var(--muted);
      font-size: 0.88rem;
    }

    .stat.accent {
      background: linear-gradient(135deg, rgba(102, 217, 255, 0.16), rgba(255, 184, 77, 0.14));
      border-color: rgba(102, 217, 255, 0.22);
    }

    main {
      position: relative;
      z-index: 1;
      padding: 10px 0 30px;
    }

    .content-band {
      padding: 12px 0 34px;
    }

    .section-title {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .section-title h2 {
      margin: 0;
      font-size: 1.38rem;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section-title p {
      margin: 0;
      color: var(--muted);
      max-width: 58ch;
      font-size: 0.96rem;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.9fr);
      gap: 22px;
      align-items: start;
    }

    .panel {
      border-radius: 8px;
      border: 1px solid rgba(140, 166, 214, 0.16);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

    .panel-surface {
      padding: 22px;
    }

    .panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .panel-header h3 {
      margin: 0;
      font-size: 1.08rem;
      font-weight: 800;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(18, 29, 49, 0.9);
      border: 1px solid rgba(140, 166, 214, 0.14);
      color: rgba(231, 238, 252, 0.88);
      font-size: 0.88rem;
      gap: 6px;
    }

    .tag .dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(102, 217, 255, 0.6);
    }

    .article-card {
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(14, 22, 39, 0.94), rgba(11, 18, 32, 0.96));
      border: 1px solid rgba(140, 166, 214, 0.16);
      overflow: hidden;
    }

    .article-card-body {
      padding: 22px;
    }

    .meta-line {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .meta-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(18, 29, 49, 0.84);
      border: 1px solid rgba(140, 166, 214, 0.14);
    }

    .prose-content {
      color: rgba(231, 238, 252, 0.92);
      font-size: 1rem;
    }

    .prose-content h2,
    .prose-content h3,
    .prose-content h4 {
      color: #fff;
      margin-top: 1.6em;
      margin-bottom: 0.6em;
      font-weight: 800;
      letter-spacing: 0;
    }

    .prose-content p {
      margin: 0 0 1em;
      color: rgba(231, 238, 252, 0.9);
    }

    .prose-content ul,
    .prose-content ol {
      padding-left: 1.1rem;
      margin-bottom: 1em;
    }

    .prose-content li + li {
      margin-top: 0.45rem;
    }

    .prose-content a {
      color: var(--accent);
      text-decoration: underline;
      text-underline-offset: 2px;
    }

    .prose-content img {
      border-radius: 8px;
      margin: 18px 0;
      border: 1px solid rgba(140, 166, 214, 0.14);
    }

    .info-table {
      width: 100%;
      border-collapse: collapse;
      overflow: hidden;
      border-radius: 8px;
    }

    .info-table th,
    .info-table td {
      padding: 14px 12px;
      border-bottom: 1px solid rgba(140, 166, 214, 0.12);
      vertical-align: top;
      text-align: left;
      font-size: 0.94rem;
    }

    .info-table th {
      width: 34%;
      color: rgba(231, 238, 252, 0.78);
      font-weight: 700;
      background: rgba(18, 29, 49, 0.46);
    }

    .info-table td {
      color: rgba(231, 238, 252, 0.95);
      background: rgba(12, 20, 36, 0.48);
    }

    .carousel {
      overflow: hidden;
      border-radius: 8px;
      border: 1px solid rgba(140, 166, 214, 0.16);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
    }

    .carousel-item img {
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }

    .carousel-caption {
      background: linear-gradient(180deg, rgba(7, 13, 24, 0.05), rgba(7, 13, 24, 0.82));
      border-radius: 8px;
      padding: 12px 14px;
      left: 18px;
      right: 18px;
      bottom: 18px;
    }

    .carousel-caption h5 {
      margin: 0 0 4px;
      font-size: 1rem;
      font-weight: 800;
    }

    .carousel-caption p {
      margin: 0;
      color: rgba(231, 238, 252, 0.82);
      font-size: 0.9rem;
    }

    .carousel-control-prev,
    .carousel-control-next {
      width: 12%;
      opacity: 0.9;
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
      width: 2rem;
      height: 2rem;
      border-radius: 999px;
      background-color: rgba(10, 18, 33, 0.72);
      background-size: 45% 45%;
      border: 1px solid rgba(255,255,255,0.12);
    }

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

    .side-card {
      padding: 18px;
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(18, 29, 49, 0.94), rgba(11, 18, 32, 0.96));
      border: 1px solid rgba(140, 166, 214, 0.16);
      box-shadow: var(--shadow-soft);
    }

    .side-card h3 {
      margin: 0 0 12px;
      font-size: 1.02rem;
      font-weight: 800;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.95rem;
    }

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

    .mini-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 8px;
      background: rgba(10, 16, 29, 0.66);
      border: 1px solid rgba(140, 166, 214, 0.1);
    }

    .mini-list i {
      color: var(--success);
      font-size: 1rem;
      margin-top: 2px;
    }

    .mini-list strong {
      display: block;
      margin-bottom: 4px;
      color: #fff;
    }

    .mini-list span {
      color: var(--muted);
      font-size: 0.9rem;
    }

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

    .spot-card {
      border-radius: 8px;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(14, 22, 39, 0.94), rgba(10, 16, 29, 0.96));
      border: 1px solid rgba(140, 166, 214, 0.16);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    .spot-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .spot-body {
      padding: 16px;
      display: grid;
      gap: 10px;
      flex: 1;
    }

    .spot-body h3 {
      margin: 0;
      font-size: 1rem;
      font-weight: 800;
      color: #fff;
    }

    .spot-body p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .spot-body .btn-row {
      margin-top: auto;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .faq-wrap {
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      border-radius: 8px;
      overflow: hidden;
      background: rgba(12, 20, 36, 0.9);
      border: 1px solid rgba(140, 166, 214, 0.14);
    }

    .accordion-button {
      background: rgba(12, 20, 36, 0.9);
      color: #fff;
      font-weight: 700;
      letter-spacing: 0;
      box-shadow: none;
      padding: 16px 18px;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: linear-gradient(135deg, rgba(102, 217, 255, 0.11), rgba(255, 184, 77, 0.08));
      box-shadow: inset 0 -1px 0 rgba(140, 166, 214, 0.12);
    }

    .accordion-button::after {
      filter: brightness(1.5);
    }

    .accordion-body {
      color: rgba(231, 238, 252, 0.88);
      background: rgba(11, 18, 32, 0.95);
      border-top: 1px solid rgba(140, 166, 214, 0.1);
    }

    .cta-band {
      margin-top: 8px;
      padding: 18px;
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(102, 217, 255, 0.14), rgba(255, 184, 77, 0.1), rgba(124, 140, 255, 0.12));
      border: 1px solid rgba(102, 217, 255, 0.22);
      box-shadow: 0 22px 56px rgba(4, 9, 20, 0.28);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .cta-band h2 {
      margin: 0 0 6px;
      font-size: 1.22rem;
      font-weight: 900;
      color: #fff;
    }

    .cta-band p {
      margin: 0;
      color: rgba(231, 238, 252, 0.88);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 22px;
      padding: 30px 0;
    }

    footer {
      position: relative;
      z-index: 1;
      margin-top: 12px;
      background: rgba(5, 10, 19, 0.9);
      border-top: 1px solid rgba(140, 166, 214, 0.14);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-text {
      color: var(--muted);
      margin: 0 0 12px;
      max-width: 42ch;
    }

    .footer-note {
      color: rgba(231, 238, 252, 0.62);
      font-size: 0.9rem;
    }

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

    .footer-links a {
      color: rgba(231, 238, 252, 0.8);
      transition: color 0.18s ease, transform 0.18s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      transform: translateX(2px);
    }

    .not-found {
      padding: 36px 0 28px;
    }

    .not-found-panel {
      padding: 28px;
      border-radius: 8px;
      border: 1px solid rgba(140, 166, 214, 0.16);
      background: rgba(11, 19, 35, 0.9);
      box-shadow: var(--shadow-soft);
    }

    .not-found-panel h2 {
      margin: 0 0 10px;
      font-size: 1.4rem;
      font-weight: 900;
    }

    .not-found-panel p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .no-select {
      user-select: none;
    }

    .focus-ring:focus-visible,
    .btn-neon:focus-visible,
    .btn-outline-neon:focus-visible,
    .nav-cta:focus-visible,
    .navbar .nav-link:focus-visible,
    .footer-links a:focus-visible,
    .play-badge:focus-visible {
      outline: 2px solid rgba(102, 217, 255, 0.7);
      outline-offset: 3px;
    }

    @media (max-width: 1199.98px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }

      .media-panel {
        grid-template-columns: 1fr 1fr;
      }

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

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

    @media (max-width: 991.98px) {
      .navbar-collapse {
        padding-top: 14px;
      }

      .navbar-nav {
        align-items: stretch;
        gap: 8px;
      }

      .nav-cta {
        width: 100%;
        justify-content: center;
        margin-top: 10px;
      }

      .hero-shell {
        min-height: auto;
      }

      .hero-grid {
        padding: 24px;
      }

      .media-panel {
        grid-template-columns: 1fr;
      }

      .stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

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

    @media (max-width: 767.98px) {
      .hero {
        padding-top: 20px;
      }

      .hero h1 {
        max-width: none;
      }

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

      .section-title {
        align-items: flex-start;
        flex-direction: column;
      }

      .panel-surface,
      .article-card-body,
      .side-card,
      .not-found-panel {
        padding: 18px;
      }

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

    @media (max-width: 519.98px) {
      .container-wide {
        width: min(var(--max), calc(100% - 20px));
      }

      .navbar-brand {
        font-size: 0.98rem;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
      }

      .hero-grid {
        padding: 18px;
      }

      .hero-lead {
        font-size: 0.98rem;
      }

      .pill,
      .tag,
      .meta-chip {
        font-size: 0.84rem;
      }

      .btn-neon,
      .btn-outline-neon,
      .nav-cta {
        width: 100%;
      }

      .hero-actions {
        width: 100%;
      }

      .hero-actions > * {
        width: 100%;
      }

      .play-badge {
        left: 14px;
        bottom: 14px;
      }

      .info-table th,
      .info-table td {
        padding: 12px 10px;
      }
    }

/* roulang page: category3 */
:root {
      --bg: #070a12;
      --bg-soft: #0d1220;
      --panel: rgba(18, 24, 39, .82);
      --panel-strong: #121827;
      --text: #f4f7fb;
      --muted: #9aa7ba;
      --muted-2: #c8d2e1;
      --line: rgba(148, 163, 184, .22);
      --primary: #28f0c7;
      --primary-2: #7c5cff;
      --accent: #ff4fd8;
      --warning: #ffcc66;
      --danger: #ff667a;
      --success: #4ade80;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --glow: 0 0 28px rgba(40, 240, 199, .24);
      --font: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(124, 92, 255, .20), transparent 28%),
        radial-gradient(circle at 82% 16%, rgba(40, 240, 199, .16), transparent 28%),
        linear-gradient(180deg, #060811 0%, #0a0d17 44%, #080a12 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease, box-shadow .22s ease;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: rgba(40, 240, 199, .28);
      color: var(--text);
    }

    .container-wide {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 8, 16, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(40, 240, 199, .18);
      box-shadow: 0 12px 42px rgba(0, 0, 0, .35);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: 0;
      color: #fff !important;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      color: #06100f;
      background: linear-gradient(135deg, var(--primary), #8bffe8);
      box-shadow: var(--glow);
      flex: 0 0 auto;
    }

    .navbar-nav .nav-link {
      position: relative;
      color: rgba(244, 247, 251, .72) !important;
      font-weight: 650;
      padding: 10px 16px !important;
      border-radius: 999px;
      white-space: nowrap;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus {
      color: #fff !important;
      background: rgba(255, 255, 255, .07);
      outline: none;
    }

    .navbar-nav .nav-link.active {
      color: #06100f !important;
      background: linear-gradient(135deg, var(--primary), #8dfce7);
      box-shadow: 0 0 22px rgba(40, 240, 199, .24);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      font-weight: 750;
      border: 1px solid rgba(40, 240, 199, .35);
      background: rgba(40, 240, 199, .10);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
    }

    .nav-cta:hover,
    .nav-cta:focus {
      color: #06100f;
      background: var(--primary);
      box-shadow: var(--glow);
      transform: translateY(-1px);
      outline: none;
    }

    .navbar-toggler {
      border-color: rgba(255, 255, 255, .2);
      border-radius: 12px;
      padding: 9px 11px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(40, 240, 199, .18);
    }

    .hero {
      position: relative;
      padding: 88px 0 62px;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(7, 10, 18, .54), rgba(7, 10, 18, .92)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(40, 240, 199, .08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(40, 240, 199, .06) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 82%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary);
      font-weight: 800;
      font-size: 13px;
      border: 1px solid rgba(40, 240, 199, .26);
      background: rgba(40, 240, 199, .08);
      margin-bottom: 18px;
    }

    .hero h1 {
      max-width: 840px;
      margin: 0 auto;
      text-align: center;
      font-size: clamp(36px, 5vw, 72px);
      line-height: 1.05;
      letter-spacing: 0;
      font-weight: 900;
    }

    .hero-summary {
      max-width: 820px;
      margin: 22px auto 0;
      color: var(--muted-2);
      text-align: center;
      font-size: 18px;
    }

    .hero-stage {
      margin-top: 42px;
      display: grid;
      grid-template-columns: 1fr minmax(360px, 520px) 1fr;
      gap: 20px;
      align-items: center;
    }

    .value-rail {
      display: grid;
      gap: 16px;
    }

    .value-chip {
      padding: 18px;
      border-radius: var(--radius-sm);
      background: rgba(12, 18, 30, .74);
      border: 1px solid rgba(255, 255, 255, .12);
      box-shadow: 0 14px 38px rgba(0, 0, 0, .20);
    }

    .value-chip strong {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      margin-bottom: 6px;
    }

    .value-chip p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .screen-stage {
      position: relative;
      padding: 12px;
      border-radius: 28px;
      background: linear-gradient(145deg, rgba(40, 240, 199, .38), rgba(124, 92, 255, .28), rgba(255, 79, 216, .20));
      box-shadow: 0 34px 95px rgba(0, 0, 0, .50), 0 0 44px rgba(40, 240, 199, .20);
    }

    .screen-card {
      overflow: hidden;
      border-radius: 22px;
      background: #0b101c;
      border: 1px solid rgba(255, 255, 255, .16);
    }

    .screen-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
      background: rgba(255, 255, 255, .04);
    }

    .dots {
      display: flex;
      gap: 7px;
    }

    .dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--danger);
    }

    .dots span:nth-child(2) {
      background: var(--warning);
    }

    .dots span:nth-child(3) {
      background: var(--success);
    }

    .screen-body {
      padding: 18px;
    }

    .poster-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .poster {
      min-height: 154px;
      position: relative;
      overflow: hidden;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, .12);
      background: var(--panel-strong);
    }

    .poster img {
      width: 100%;
      height: 100%;
      min-height: 154px;
      object-fit: cover;
      opacity: .78;
    }

    .poster .poster-meta {
      position: absolute;
      inset: auto 12px 12px;
      padding: 10px;
      border-radius: 12px;
      background: rgba(6, 10, 18, .70);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, .10);
      font-size: 13px;
      color: var(--muted-2);
    }

    .poster-meta b {
      display: block;
      color: #fff;
      font-size: 18px;
      line-height: 1.1;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 28px;
    }

    .btn-neon,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
    }

    .btn-neon {
      color: #04100e;
      background: linear-gradient(135deg, var(--primary), #b9fff2);
      box-shadow: var(--glow);
    }

    .btn-neon:hover,
    .btn-neon:focus {
      color: #04100e;
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(40, 240, 199, .24);
      outline: none;
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255, 255, 255, .07);
      border-color: rgba(255, 255, 255, .16);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: #fff;
      background: rgba(124, 92, 255, .18);
      border-color: rgba(124, 92, 255, .45);
      transform: translateY(-2px);
      outline: none;
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: 78px 0;
    }

    .section.compact {
      padding: 58px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 620px) minmax(280px, 1fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 32px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 850;
      margin-bottom: 10px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-lead {
      margin: 0;
      color: var(--muted-2);
      font-size: 16px;
    }

    .pain-layout {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 24px;
      align-items: stretch;
    }

    .media-panel,
    .glass-card,
    .metric-card,
    .story-card,
    .faq-wrap,
    .membership-card {
      border: 1px solid rgba(255, 255, 255, .12);
      background: var(--panel);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .media-panel {
      overflow: hidden;
      min-height: 430px;
      position: relative;
    }

    .media-panel img {
      width: 100%;
      height: 100%;
      min-height: 430px;
      object-fit: cover;
      opacity: .82;
    }

    .media-caption {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(5, 8, 16, .72);
      border: 1px solid rgba(255, 255, 255, .12);
      backdrop-filter: blur(12px);
    }

    .media-caption b {
      display: block;
      font-size: 22px;
      margin-bottom: 6px;
    }

    .media-caption p {
      margin: 0;
      color: var(--muted-2);
    }

    .pain-stack {
      display: grid;
      gap: 14px;
    }

    .glass-card {
      padding: 22px;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .glass-card:hover {
      transform: translateY(-3px);
      border-color: rgba(40, 240, 199, .34);
      box-shadow: 0 24px 70px rgba(0, 0, 0, .34);
    }

    .icon-box {
      width: 48px;
      height: 48px;
      display: inline-grid;
      place-items: center;
      border-radius: 16px;
      color: var(--primary);
      background: rgba(40, 240, 199, .10);
      border: 1px solid rgba(40, 240, 199, .22);
      margin-bottom: 14px;
      font-size: 22px;
    }

    .glass-card h3,
    .metric-card h3,
    .story-card h3,
    .membership-card h3 {
      margin: 0 0 9px;
      font-size: 21px;
      font-weight: 850;
    }

    .glass-card p,
    .metric-card p,
    .story-card p,
    .membership-card p {
      margin: 0;
      color: var(--muted-2);
    }

    .solution-band {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(16, 24, 39, .88), rgba(12, 16, 29, .92));
      border-block: 1px solid var(--line);
    }

    .solution-band::after {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      right: -220px;
      top: 20px;
      background: radial-gradient(circle, rgba(255, 79, 216, .16), transparent 68%);
      pointer-events: none;
    }

    .timeline {
      display: grid;
      gap: 16px;
      counter-reset: step;
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, .12);
      background: rgba(7, 10, 18, .68);
    }

    .timeline-no {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #06100f;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), #effffb);
      box-shadow: var(--glow);
    }

    .timeline-item h3 {
      margin: 0 0 6px;
      font-size: 20px;
      font-weight: 850;
    }

    .timeline-item p {
      margin: 0;
      color: var(--muted-2);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      background: rgba(40, 240, 199, .10);
      border: 1px solid rgba(40, 240, 199, .22);
      white-space: nowrap;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 24px;
      align-items: stretch;
    }

    .metric-card {
      padding: 24px;
    }

    .metric-number {
      margin: 10px 0 6px;
      font-size: clamp(38px, 5vw, 64px);
      line-height: 1;
      font-weight: 950;
      color: var(--primary);
      text-shadow: 0 0 30px rgba(40, 240, 199, .18);
    }

    .metric-list {
      display: grid;
      gap: 12px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .metric-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted-2);
      padding: 12px;
      border-radius: 14px;
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .08);
    }

    .metric-list i {
      color: var(--primary);
      margin-top: 2px;
    }

    .dashboard-panel {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .12);
      background: #0b101c;
      box-shadow: var(--shadow);
    }

    .dashboard-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .signal-bars {
      display: grid;
      gap: 12px;
      padding: 22px;
    }

    .signal-row {
      display: grid;
      grid-template-columns: 118px 1fr 76px;
      gap: 14px;
      align-items: center;
      color: var(--muted-2);
      font-size: 14px;
    }

    .bar-track {
      height: 12px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
    }

    .bar-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--primary-2));
      box-shadow: 0 0 18px rgba(40, 240, 199, .18);
    }

    .story-strip {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 24px;
      align-items: stretch;
    }

    .story-card {
      padding: 28px;
    }

    .quote {
      font-size: 22px;
      line-height: 1.55;
      color: #fff;
      margin: 0 0 20px;
    }

    .quote-person {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--muted-2);
    }

    .avatar {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #06100f;
      font-weight: 900;
      background: linear-gradient(135deg, var(--warning), var(--primary));
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .proof-item {
      padding: 20px;
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, .12);
      background: rgba(255, 255, 255, .055);
    }

    .proof-item b {
      display: block;
      color: #fff;
      font-size: 28px;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .proof-item span {
      color: var(--muted);
      font-size: 14px;
    }

    .scenario-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scenario-card {
      position: relative;
      overflow: hidden;
      min-height: 250px;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, .12);
      background: var(--panel-strong);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      border-color: rgba(40, 240, 199, .32);
      box-shadow: 0 24px 64px rgba(0, 0, 0, .36);
    }

    .scenario-card img {
      width: 100%;
      height: 250px;
      object-fit: cover;
      opacity: .66;
      filter: saturate(1.05);
    }

    .scenario-content {
      position: absolute;
      inset: auto 14px 14px;
      padding: 15px;
      border-radius: 16px;
      background: rgba(5, 8, 16, .72);
      border: 1px solid rgba(255, 255, 255, .12);
      backdrop-filter: blur(12px);
    }

    .scenario-content h3 {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: 850;
    }

    .scenario-content p {
      margin: 0;
      color: var(--muted-2);
      font-size: 14px;
    }

    .faq-wrap {
      padding: 10px;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(40, 240, 199, .18);
      --bs-accordion-active-bg: rgba(40, 240, 199, .08);
      --bs-accordion-active-color: #fff;
    }

    .accordion-item {
      overflow: hidden;
      margin: 10px;
      border-radius: 16px !important;
      border: 1px solid rgba(255, 255, 255, .10) !important;
      background: rgba(255, 255, 255, .045);
    }

    .accordion-button {
      color: #fff;
      font-weight: 850;
      padding: 18px 20px;
      background: rgba(255, 255, 255, .03);
    }

    .accordion-button:not(.collapsed) {
      box-shadow: none;
    }

    .accordion-button::after {
      filter: invert(1);
    }

    .accordion-body {
      color: var(--muted-2);
      padding: 0 20px 20px;
    }

    .membership-section {
      padding-bottom: 88px;
    }

    .membership-card {
      position: relative;
      overflow: hidden;
      padding: 34px;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 30px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(40, 240, 199, .12), rgba(124, 92, 255, .12)),
        rgba(13, 18, 32, .88);
    }

    .membership-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--accent));
    }

    .contact-box {
      padding: 22px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .form-control {
      min-height: 48px;
      color: #fff;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, .14);
      background: rgba(5, 8, 16, .56);
    }

    .form-control::placeholder {
      color: rgba(200, 210, 225, .58);
    }

    .form-control:focus {
      color: #fff;
      background: rgba(5, 8, 16, .78);
      border-color: rgba(40, 240, 199, .58);
      box-shadow: 0 0 0 4px rgba(40, 240, 199, .14);
    }

    footer {
      padding: 42px 0;
      background: #050812;
      border-top: 1px solid rgba(40, 240, 199, .16);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .7fr .7fr;
      gap: 32px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .footer-text {
      max-width: 460px;
      color: var(--muted-2);
      margin: 0 0 14px;
    }

    .footer-note {
      color: var(--muted);
      font-size: 14px;
    }

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

    .footer-links a {
      color: var(--muted-2);
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--primary);
      outline: none;
    }

    @media (max-width: 1024px) {
      .hero-stage,
      .pain-layout,
      .metric-grid,
      .story-strip,
      .membership-card {
        grid-template-columns: 1fr;
      }

      .value-rail {
        grid-template-columns: repeat(2, 1fr);
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 14px;
      }

      .scenario-row {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 991px) {
      .navbar {
        padding: 14px 0;
      }

      .navbar-collapse {
        margin-top: 14px;
        padding: 14px;
        border-radius: 18px;
        background: rgba(10, 14, 25, .96);
        border: 1px solid rgba(255, 255, 255, .12);
      }

      .navbar-nav .nav-link {
        padding: 12px 14px !important;
      }

      .nav-cta {
        width: 100%;
        margin-top: 10px;
      }
    }

    @media (max-width: 768px) {
      .container-wide {
        width: min(100% - 28px, 1180px);
      }

      .hero {
        padding: 64px 0 48px;
      }

      .hero-summary {
        font-size: 16px;
      }

      .value-rail,
      .poster-grid,
      .proof-grid,
      .scenario-row,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .tag {
        width: fit-content;
      }

      .signal-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .section {
        padding: 58px 0;
      }

      .membership-card {
        padding: 24px;
      }
    }

    @media (max-width: 520px) {
      .hero h1 {
        font-size: 34px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn-neon,
      .btn-ghost {
        width: 100%;
      }

      .media-panel,
      .media-panel img {
        min-height: 340px;
      }

      .screen-stage {
        padding: 8px;
        border-radius: 22px;
      }

      .screen-card {
        border-radius: 18px;
      }

      .section-title {
        font-size: 28px;
      }

      .quote {
        font-size: 19px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #070914;
      --bg-soft: #0c1020;
      --bg-panel: rgba(18, 24, 44, .84);
      --bg-card: rgba(15, 22, 41, .92);
      --text: #f6f8ff;
      --muted: #a9b4cc;
      --weak: #74819c;
      --line: rgba(139, 153, 185, .18);
      --primary: #44f0c8;
      --primary-2: #8b5cf6;
      --accent: #ffcc66;
      --danger: #ff5c8a;
      --radius-xl: 28px;
      --radius-lg: 20px;
      --radius-md: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .36);
      --shadow-soft: 0 16px 40px rgba(0, 0, 0, .24);
      --container: 1180px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(68, 240, 200, .14), transparent 28%),
        radial-gradient(circle at 78% 2%, rgba(139, 92, 246, .18), transparent 30%),
        linear-gradient(180deg, #070914 0%, #0a0d19 42%, #070914 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: rgba(68, 240, 200, .28);
      color: #fff;
    }

    .container-wide {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 8, 18, .9);
      border-bottom: 1px solid rgba(68, 240, 200, .18);
      box-shadow: 0 12px 38px rgba(0, 0, 0, .28);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text) !important;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #06110f;
      background: linear-gradient(135deg, var(--primary), #d7fff5);
      box-shadow: 0 0 26px rgba(68, 240, 200, .45);
      flex: 0 0 auto;
    }

    .navbar-toggler {
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: 14px;
      padding: 9px 11px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(68, 240, 200, .18);
    }

    .nav-link {
      position: relative;
      color: var(--muted) !important;
      font-size: 15px;
      font-weight: 650;
      padding: 12px 16px !important;
      border-radius: 999px;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: #fff !important;
      background: rgba(255, 255, 255, .06);
    }

    .nav-link.active {
      color: #07100e !important;
      background: linear-gradient(135deg, var(--primary), #e3fff8);
      box-shadow: 0 0 28px rgba(68, 240, 200, .36);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      font-weight: 750;
      border: 1px solid rgba(255, 255, 255, .16);
      background: rgba(139, 92, 246, .2);
      box-shadow: inset 0 0 0 1px rgba(68, 240, 200, .16);
    }

    .nav-cta:hover {
      color: #07100e;
      background: var(--primary);
      transform: translateY(-1px);
      box-shadow: 0 16px 36px rgba(68, 240, 200, .26);
    }

    main {
      position: relative;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 70px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary);
      background: rgba(68, 240, 200, .1);
      border: 1px solid rgba(68, 240, 200, .24);
      font-size: 13px;
      font-weight: 760;
      margin-bottom: 18px;
    }

    .page-hero {
      padding: 74px 0 44px;
      background:
        linear-gradient(180deg, rgba(7, 9, 20, .62), rgba(7, 9, 20, .96)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      border-bottom: 1px solid var(--line);
    }

    .bento-hero {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
      gap: 20px;
      align-items: stretch;
    }

    .hero-main,
    .hero-mini,
    .hero-strip,
    .glass-card {
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(18, 24, 44, .88), rgba(11, 16, 32, .88));
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .hero-main {
      min-height: 520px;
      border-radius: var(--radius-xl);
      padding: clamp(30px, 5vw, 58px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .hero-main:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(68, 240, 200, .16), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(255, 204, 102, .14), transparent 22%);
      pointer-events: none;
    }

    .hero-main > * {
      position: relative;
      z-index: 1;
    }

    h1 {
      max-width: 760px;
      margin: 0;
      font-size: clamp(38px, 6vw, 72px);
      line-height: 1.05;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      margin: 22px 0 0;
      color: #d8def0;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn-neon,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: var(--ease);
    }

    .btn-neon {
      color: #06110f;
      background: linear-gradient(135deg, var(--primary), #e6fff8);
      box-shadow: 0 18px 44px rgba(68, 240, 200, .28);
    }

    .btn-neon:hover,
    .btn-neon:focus {
      color: #06110f;
      transform: translateY(-2px);
      box-shadow: 0 24px 56px rgba(68, 240, 200, .38);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255, 255, 255, .06);
      border-color: rgba(255, 255, 255, .15);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: #fff;
      background: rgba(255, 255, 255, .1);
      border-color: rgba(68, 240, 200, .38);
      transform: translateY(-2px);
    }

    .hero-bottom {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 38px;
    }

    .metric {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .metric strong {
      display: block;
      font-size: 25px;
      color: #fff;
      line-height: 1.2;
    }

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

    .hero-side {
      display: grid;
      grid-template-rows: 1fr 1fr auto;
      gap: 20px;
    }

    .hero-mini {
      border-radius: var(--radius-lg);
      padding: 24px;
      min-height: 170px;
      overflow: hidden;
      position: relative;
    }

    .hero-mini img {
      width: 100%;
      height: 112px;
      object-fit: cover;
      border-radius: 16px;
      margin-bottom: 18px;
      opacity: .86;
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .hero-mini h2 {
      margin: 0 0 8px;
      font-size: 21px;
      font-weight: 850;
    }

    .hero-mini p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-strip {
      border-radius: var(--radius-lg);
      padding: 20px;
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .strip-icon {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07100e;
      background: var(--accent);
      flex: 0 0 auto;
    }

    .hero-strip strong {
      display: block;
      font-size: 17px;
    }

    .hero-strip span {
      display: block;
      color: var(--muted);
      font-size: 13px;
    }

    .section-head {
      max-width: 790px;
      margin-bottom: 34px;
    }

    .section-head h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.15;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .pain-row {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .poster-panel {
      border-radius: var(--radius-xl);
      overflow: hidden;
      position: relative;
      min-height: 460px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      background: #101524;
    }

    .poster-panel img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .72;
    }

    .poster-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      padding: 22px;
      border-radius: 20px;
      background: rgba(7, 9, 20, .76);
      border: 1px solid rgba(255, 255, 255, .13);
      backdrop-filter: blur(12px);
    }

    .poster-caption strong {
      display: block;
      font-size: 24px;
      margin-bottom: 8px;
    }

    .poster-caption span {
      color: var(--muted);
    }

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

    .issue-card,
    .feature-card,
    .result-card,
    .quote-card,
    .faq-item {
      border: 1px solid var(--line);
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      transition: var(--ease);
    }

    .issue-card {
      padding: 22px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 16px;
      align-items: start;
    }

    .issue-card:hover,
    .feature-card:hover,
    .result-card:hover,
    .quote-card:hover {
      transform: translateY(-4px);
      border-color: rgba(68, 240, 200, .34);
      box-shadow: var(--shadow-soft);
    }

    .num-tag {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 900;
      background: rgba(68, 240, 200, .08);
      border: 1px solid rgba(68, 240, 200, .24);
    }

    .issue-card h3,
    .feature-card h3,
    .result-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 850;
    }

    .issue-card p,
    .feature-card p,
    .result-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .solution-band {
      background:
        linear-gradient(180deg, rgba(68, 240, 200, .06), rgba(139, 92, 246, .06)),
        rgba(255, 255, 255, .02);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .feature-card {
      padding: 24px;
      min-height: 220px;
      position: relative;
      overflow: hidden;
    }

    .feature-card.large {
      grid-column: span 6;
    }

    .feature-card.small {
      grid-column: span 3;
    }

    .feature-card:after {
      content: "";
      position: absolute;
      right: -44px;
      top: -44px;
      width: 128px;
      height: 128px;
      border-radius: 50%;
      background: rgba(68, 240, 200, .08);
    }

    .feature-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07100e;
      background: linear-gradient(135deg, var(--primary), #e7fff9);
      margin-bottom: 18px;
      box-shadow: 0 14px 30px rgba(68, 240, 200, .22);
    }

    .workflow {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: center;
    }

    .timeline {
      display: grid;
      gap: 14px;
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 16px;
      padding: 20px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--line);
    }

    .timeline-item b {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07100e;
      background: var(--primary);
      font-size: 18px;
    }

    .timeline-item h3 {
      margin: 0 0 6px;
      font-size: 19px;
      font-weight: 850;
    }

    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .screen-card {
      border-radius: var(--radius-xl);
      padding: 18px;
      border: 1px solid rgba(255, 255, 255, .12);
      background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));
      box-shadow: var(--shadow);
    }

    .screen-card img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 22px;
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .screen-meta {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 14px;
    }

    .screen-meta div {
      padding: 14px;
      border-radius: 16px;
      background: rgba(7, 9, 20, .68);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .screen-meta strong {
      display: block;
      color: #fff;
      font-size: 20px;
    }

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

    .result-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 20px;
      align-items: stretch;
    }

    .result-card {
      padding: 26px;
    }

    .result-card.primary {
      background:
        linear-gradient(135deg, rgba(68, 240, 200, .14), rgba(139, 92, 246, .12)),
        var(--bg-card);
    }

    .result-number {
      display: block;
      margin-bottom: 10px;
      font-size: clamp(38px, 6vw, 64px);
      line-height: 1;
      font-weight: 950;
      color: var(--primary);
    }

    .result-stack {
      display: grid;
      gap: 20px;
    }

    .quote-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .quote-card {
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .quote-card:before {
      content: "“";
      position: absolute;
      top: -28px;
      right: 24px;
      font-size: 110px;
      color: rgba(68, 240, 200, .13);
      font-family: Georgia, serif;
      line-height: 1;
    }

    .quote-card p {
      margin: 0 0 20px;
      color: #dfe5f5;
      font-size: 18px;
    }

    .quote-card strong {
      display: block;
      font-size: 17px;
    }

    .quote-card span {
      color: var(--muted);
      font-size: 14px;
    }

    .poster-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .mini-poster {
      min-height: 210px;
      border-radius: 20px;
      overflow: hidden;
      position: relative;
      border: 1px solid var(--line);
      background: #101524;
    }

    .mini-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .76;
      transition: var(--ease);
    }

    .mini-poster:hover img {
      transform: scale(1.04);
      opacity: .9;
    }

    .mini-poster span {
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      padding: 9px 12px;
      border-radius: 999px;
      color: #fff;
      font-size: 13px;
      font-weight: 760;
      background: rgba(7, 9, 20, .7);
      border: 1px solid rgba(255, 255, 255, .13);
      backdrop-filter: blur(10px);
    }

    .membership {
      border-radius: var(--radius-xl);
      padding: clamp(28px, 5vw, 52px);
      background:
        linear-gradient(135deg, rgba(68, 240, 200, .16), rgba(139, 92, 246, .18)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      border: 1px solid rgba(68, 240, 200, .24);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .membership-grid {
      display: grid;
      grid-template-columns: 1fr 380px;
      gap: 28px;
      align-items: center;
    }

    .membership h2 {
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 48px);
      font-weight: 950;
      letter-spacing: 0;
    }

    .membership p {
      margin: 0;
      color: #e5eaff;
      max-width: 720px;
    }

    .signup-card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(7, 9, 20, .78);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(16px);
    }

    .form-control {
      min-height: 48px;
      color: #fff;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, .14);
      background: rgba(255, 255, 255, .08);
    }

    .form-control::placeholder {
      color: rgba(213, 221, 242, .62);
    }

    .form-control:focus {
      color: #fff;
      background: rgba(255, 255, 255, .1);
      border-color: rgba(68, 240, 200, .65);
      box-shadow: 0 0 0 4px rgba(68, 240, 200, .14);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 24px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: 104px;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--line);
    }

    .faq-aside h2 {
      margin: 0 0 12px;
      font-size: 34px;
      font-weight: 900;
    }

    .faq-aside p {
      margin: 0;
      color: var(--muted);
    }

    .accordion {
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      color: var(--text);
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg) !important;
      overflow: hidden;
    }

    .accordion-button {
      color: #fff;
      background: transparent;
      font-weight: 850;
      padding: 20px 22px;
      box-shadow: none;
      letter-spacing: 0;
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(68, 240, 200, .07);
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: 0 0 0 4px rgba(68, 240, 200, .13);
      border-color: transparent;
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .8;
    }

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

    footer {
      padding: 54px 0;
      background: #050814;
      border-top: 1px solid rgba(68, 240, 200, .18);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .7fr .7fr;
      gap: 38px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 850;
      margin-bottom: 16px;
    }

    .footer-text {
      max-width: 500px;
      color: var(--muted);
      margin: 0 0 18px;
    }

    .footer-note {
      color: var(--weak);
      font-size: 14px;
    }

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

    .footer-links a {
      color: var(--muted);
      font-weight: 650;
    }

    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    @media (max-width: 1024px) {
      .bento-hero,
      .pain-row,
      .workflow,
      .result-grid,
      .quote-wrap,
      .membership-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero-side {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
      }

      .hero-strip {
        grid-column: 1 / -1;
      }

      .feature-card.large,
      .feature-card.small {
        grid-column: span 6;
      }

      .faq-aside {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .container-wide {
        width: min(100% - 28px, var(--container));
      }

      .navbar {
        min-height: 68px;
      }

      .navbar-collapse {
        padding: 14px 0 18px;
      }

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

      .nav-cta {
        width: 100%;
        justify-content: center;
      }

      .page-hero {
        padding: 48px 0 28px;
      }

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

      .hero-bottom,
      .hero-side,
      .poster-grid,
      .screen-meta {
        grid-template-columns: 1fr;
      }

      .feature-card.large,
      .feature-card.small {
        grid-column: span 12;
      }

      .section {
        padding: 68px 0;
      }

      .section-tight {
        padding: 54px 0;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 36px;
      }

      .hero-lead,
      .section-head p {
        font-size: 16px;
      }

      .hero-main,
      .membership {
        border-radius: 22px;
        padding: 24px;
      }

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

      .issue-card,
      .timeline-item {
        grid-template-columns: 1fr;
      }

      .poster-panel {
        min-height: 360px;
      }
    }