/* roulang page: index */
:root{
      --bg:#0b0f14;
      --bg-2:#101720;
      --bg-3:#151e29;
      --panel:#121a24;
      --panel-2:#172131;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(125,247,207,.18);
      --text:#e9f1fb;
      --muted:#9aa8b8;
      --soft:#c6d2df;
      --accent:#19e0b7;
      --accent-2:#7df7cf;
      --amber:#f0b56b;
      --danger:#ff7c7c;
      --shadow:0 18px 40px rgba(0,0,0,.32);
      --shadow-soft:0 10px 26px rgba(0,0,0,.22);
      --radius:18px;
      --radius-lg:26px;
      --container:1240px;
      --gap:24px;
      --gap-sm:14px;
      --header-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(25,224,183,.08), transparent 26%),
        radial-gradient(circle at 90% 10%, rgba(125,247,207,.08), transparent 28%),
        linear-gradient(180deg, #081018 0%, #0b1016 36%, #090d12 100%);
      color:var(--text);
      line-height:1.65;
      letter-spacing:.2px;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:60px 60px;
      opacity:.15;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 85%);
      z-index:-1;
    }
    img{
      display:block;
      max-width:100%;
      height:auto;
    }
    a{
      color:inherit;
      text-decoration:none;
    }
    button,input{
      font:inherit;
    }
    ::selection{
      background:rgba(25,224,183,.24);
      color:#fff;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .skip{
      position:absolute;
      left:-9999px;
      top:auto;
    }
    .skip:focus{
      left:16px;
      top:16px;
      z-index:9999;
      background:var(--accent);
      color:#061015;
      padding:10px 14px;
      border-radius:999px;
      box-shadow:var(--shadow);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg, rgba(8,12,18,.92), rgba(8,12,18,.72));
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(125,247,207,.35), transparent 35%),
        linear-gradient(145deg, rgba(25,224,183,.96), rgba(9,153,126,.86));
      box-shadow:0 10px 26px rgba(25,224,183,.18);
      position:relative;
      flex:none;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:11px 12px 11px 12px;
      border:2px solid rgba(255,255,255,.82);
      border-radius:10px;
      transform:skewX(-8deg);
    }
    .brand-copy{
      min-width:0;
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-name{
      font-size:1.02rem;
      font-weight:800;
      letter-spacing:.3px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      color:var(--muted);
      font-size:.82rem;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--soft);
      border:1px solid transparent;
      transition:transform .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      font-weight:600;
      font-size:.96rem;
    }
    .nav a:hover,
    .nav a:focus-visible{
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      color:#fff;
      outline:none;
    }
    .nav a.active{
      background:linear-gradient(135deg, rgba(25,224,183,.18), rgba(25,224,183,.08));
      color:#effffb;
      border-color:rgba(25,224,183,.22);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:12px;
      margin-left:8px;
    }
    .searchbar{
      position:relative;
      width:min(300px, 24vw);
    }
    .searchbar input{
      width:100%;
      padding:12px 14px 12px 40px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--text);
      outline:none;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .searchbar input::placeholder{color:#7f90a2}
    .searchbar input:focus{
      border-color:rgba(25,224,183,.46);
      box-shadow:0 0 0 4px rgba(25,224,183,.12);
      background:rgba(255,255,255,.05);
    }
    .searchbar svg{
      position:absolute;
      left:14px;
      top:50%;
      width:16px;
      height:16px;
      transform:translateY(-50%);
      fill:#8fa3b6;
      pointer-events:none;
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--text);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition:transform .22s ease, border-color .22s ease, background .22s ease;
    }
    .nav-toggle:hover,
    .nav-toggle:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(25,224,183,.28);
      background:rgba(25,224,183,.08);
      outline:none;
    }
    .nav-toggle span{
      display:block;
      width:18px;
      height:2px;
      background:currentColor;
      position:relative;
      border-radius:99px;
    }
    .nav-toggle span::before,
    .nav-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;
      height:2px;
      border-radius:99px;
      background:currentColor;
    }
    .nav-toggle span::before{top:-6px}
    .nav-toggle span::after{top:6px}

    .hero{
      position:relative;
      padding:30px 0 20px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:calc(var(--radius-lg) + 10px);
      background:
        linear-gradient(135deg, rgba(8,12,18,.86), rgba(10,15,22,.70)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 22%, rgba(25,224,183,.16), transparent 28%),
        linear-gradient(115deg, rgba(6,10,16,.88) 0%, rgba(6,10,16,.62) 48%, rgba(6,10,16,.82) 100%);
      pointer-events:none;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -8% -30% -8%;
      height:220px;
      background:linear-gradient(180deg, transparent, rgba(25,224,183,.12));
      filter:blur(26px);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:28px;
      padding:32px;
      min-height:560px;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding-right:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      width:max-content;
      border-radius:999px;
      color:#dffaf1;
      background:rgba(25,224,183,.10);
      border:1px solid rgba(25,224,183,.18);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.35px;
    }
    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(25,224,183,.12);
      display:inline-block;
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(2.1rem, 4vw, 4.1rem);
      line-height:1.08;
      letter-spacing:-.6px;
    }
    .hero-copy p{
      margin:0;
      max-width:58ch;
      color:#c7d2de;
      font-size:1.04rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:13px 18px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      font-weight:700;
      letter-spacing:.2px;
      user-select:none;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), #13c8a2);
      color:#071219;
      box-shadow:0 12px 24px rgba(25,224,183,.16);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 16px 28px rgba(25,224,183,.20);
    }
    .btn-secondary{
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-color:rgba(255,255,255,.10);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(25,224,183,.24);
      background:rgba(25,224,183,.08);
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:#dce6ef;
      border:1px solid rgba(255,255,255,.08);
      font-size:.88rem;
    }
    .tag.hot{
      color:#fff5e6;
      background:rgba(240,181,107,.12);
      border-color:rgba(240,181,107,.20);
    }
    .hero-stage{
      display:flex;
      flex-direction:column;
      gap:16px;
      justify-content:center;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(20,28,39,.98), rgba(14,20,29,.90));
      box-shadow:var(--shadow-soft);
    }
    .hero-media{
      position:relative;
      min-height:254px;
      overflow:hidden;
    }
    .hero-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.04) contrast(1.02);
      transform:scale(1.02);
    }
    .hero-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,12,18,.05), rgba(8,12,18,.72));
      pointer-events:none;
    }
    .hero-label{
      position:absolute;
      left:16px;
      top:16px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(5,9,14,.62);
      border:1px solid rgba(255,255,255,.12);
      color:#f4fbff;
      backdrop-filter:blur(12px);
      font-size:.84rem;
      font-weight:700;
    }
    .hero-label b{
      color:var(--accent);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      padding:16px;
    }
    .metric{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .metric .k{
      display:block;
      color:#eff9ff;
      font-size:1.08rem;
      font-weight:800;
      margin-bottom:4px;
    }
    .metric .v{
      color:var(--muted);
      font-size:.88rem;
    }
    .metric.accent{
      background:linear-gradient(135deg, rgba(25,224,183,.16), rgba(25,224,183,.06));
      border-color:rgba(25,224,183,.18);
    }
    .metric.amber{
      background:linear-gradient(135deg, rgba(240,181,107,.18), rgba(240,181,107,.06));
      border-color:rgba(240,181,107,.18);
    }

    .quick-entry{
      margin-top:18px;
      padding:6px 0 2px;
    }
    .quick-strip{
      display:flex;
      gap:12px;
      overflow-x:auto;
      padding-bottom:2px;
      scrollbar-width:thin;
    }
    .quick-strip::-webkit-scrollbar{height:6px}
    .quick-strip::-webkit-scrollbar-thumb{
      background:rgba(255,255,255,.18);
      border-radius:999px;
    }
    .quick-chip{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
      min-height:56px;
      padding:12px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e6eef8;
      transition:transform .22s ease, border-color .22s ease, background .22s ease;
    }
    .quick-chip:hover,
    .quick-chip:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(25,224,183,.22);
      background:rgba(25,224,183,.08);
      outline:none;
    }
    .quick-chip small{
      color:var(--muted);
      display:block;
      font-size:.8rem;
      margin-top:1px;
    }
    .quick-chip strong{
      display:block;
      font-size:.96rem;
    }

    .section{
      padding:34px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.55rem, 2.3vw, 2.25rem);
      line-height:1.16;
      letter-spacing:-.35px;
    }
    .section-lead{
      margin:8px 0 0;
      color:var(--muted);
      max-width:66ch;
      font-size:.98rem;
    }
    .section-note{
      color:var(--muted);
      font-size:.9rem;
      white-space:nowrap;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:20px;
    }
    .feature-card,
    .mini-card,
    .panel-card,
    .faq-card,
    .cta-card,
    .topic-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(18,26,36,.94), rgba(13,19,27,.96));
      box-shadow:var(--shadow-soft);
    }
    .feature-card:hover,
    .mini-card:hover,
    .panel-card:hover,
    .topic-card:hover{
      transform:translateY(-2px);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
      border-color:rgba(25,224,183,.18);
      box-shadow:0 14px 30px rgba(0,0,0,.3);
    }
    .feature-media{
      aspect-ratio:16/9;
      position:relative;
      overflow:hidden;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .feature-card:hover .feature-media img{transform:scale(1.04)}
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(6,10,16,.10), rgba(6,10,16,.72));
      pointer-events:none;
    }
    .feature-body{
      padding:18px 18px 20px;
    }
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:12px;
      color:var(--muted);
      font-size:.84rem;
    }
    .meta-line .dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:rgba(255,255,255,.35);
    }
    .card-title{
      margin:0 0 10px;
      font-size:1.2rem;
      line-height:1.28;
    }
    .card-text{
      margin:0 0 16px;
      color:#c2cfdb;
      font-size:.95rem;
    }
    .card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#d9fff4;
      font-weight:700;
      font-size:.92rem;
    }
    .text-link::after{
      content:"→";
      transition:transform .22s ease;
    }
    .text-link:hover::after{transform:translateX(2px)}
    .stacked{
      display:grid;
      gap:20px;
    }
    .mini-card{
      display:grid;
      grid-template-columns:116px 1fr;
      gap:14px;
      padding:14px;
    }
    .mini-card .thumb{
      border-radius:16px;
      overflow:hidden;
      min-height:118px;
      background:rgba(255,255,255,.04);
    }
    .mini-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .mini-card .content{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:10px;
      min-width:0;
    }
    .mini-card .content h3{
      margin:0;
      font-size:1.03rem;
      line-height:1.28;
    }
    .mini-card .content p{
      margin:0;
      color:#c2cfdb;
      font-size:.92rem;
    }

    .data-grid{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:20px;
      align-items:stretch;
    }
    .panel-card{
      padding:20px;
    }
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
    }
    .panel-head h3{
      margin:0;
      font-size:1.15rem;
    }
    .panel-head span{
      color:var(--muted);
      font-size:.88rem;
    }
    .heat-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .heat-item{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .heat-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
      font-size:.92rem;
    }
    .heat-top strong{
      font-size:.98rem;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .timeline{
      display:grid;
      gap:12px;
    }
    .timeline-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .timeline-mark{
      width:12px;
      height:12px;
      border-radius:50%;
      margin-top:6px;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(25,224,183,.12);
      flex:none;
    }
    .timeline-item h4{
      margin:0 0 4px;
      font-size:1rem;
    }
    .timeline-item p{
      margin:0;
      color:#c2cfdb;
      font-size:.92rem;
    }
    .info-list{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .info-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      color:#dbe6ef;
      font-size:.94rem;
    }
    .info-list span{
      color:var(--muted);
      white-space:nowrap;
    }

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:20px;
    }
    .topic-card{
      grid-column:span 6;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .topic-card.featured{
      grid-column:span 12;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      align-items:stretch;
    }
    .topic-media{
      position:relative;
      min-height:220px;
      overflow:hidden;
    }
    .topic-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .topic-card:hover .topic-media img{transform:scale(1.05)}
    .topic-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(6,10,16,.02), rgba(6,10,16,.72));
      pointer-events:none;
    }
    .topic-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      justify-content:space-between;
    }
    .topic-card .chips{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dce7f1;
      font-size:.84rem;
    }
    .chip.accent{
      background:rgba(25,224,183,.10);
      border-color:rgba(25,224,183,.18);
      color:#e8fff7;
    }
    .topic-body h3{
      margin:0;
      font-size:1.18rem;
      line-height:1.28;
    }
    .topic-body p{
      margin:0;
      color:#c2cfdb;
      font-size:.94rem;
    }
    .topic-footer{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      padding-top:4px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:start;
    }
    .faq-card{
      padding:18px;
    }
    .faq-card details{
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .faq-card details:last-child{border-bottom:none}
    .faq-card summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:700;
      color:#eff6fb;
      outline:none;
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary::after{
      content:"+";
      width:24px;
      height:24px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.10);
      color:#d8e6f2;
      flex:none;
      transition:transform .22s ease, background .22s ease;
    }
    .faq-card details[open] summary::after{
      content:"–";
      background:rgba(25,224,183,.10);
      color:#dcfff5;
    }
    .faq-card p{
      margin:12px 0 0;
      color:#c2cfdb;
      font-size:.94rem;
    }
    .faq-side{
      display:grid;
      gap:18px;
    }
    .side-note{
      padding:20px;
    }
    .side-note h3{
      margin:0 0 10px;
      font-size:1.12rem;
    }
    .side-note p{
      margin:0;
      color:#c2cfdb;
      font-size:.94rem;
    }
    .side-note ul{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .side-note li{
      padding:11px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      color:#dbe6ef;
      font-size:.92rem;
    }

    .cta-card{
      padding:22px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
      align-items:center;
      background:
        radial-gradient(circle at 20% 10%, rgba(25,224,183,.10), transparent 34%),
        linear-gradient(180deg, rgba(18,26,36,.96), rgba(12,18,26,.98));
    }
    .cta-card h2{
      margin:0 0 10px;
      font-size:clamp(1.45rem, 2.2vw, 2rem);
      line-height:1.18;
    }
    .cta-card p{
      margin:0;
      color:#c2cfdb;
      font-size:.96rem;
    }
    .cta-form{
      display:grid;
      gap:12px;
    }
    .input-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
    }
    .input-row input{
      width:100%;
      padding:14px 16px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      outline:none;
      transition:border-color .22s ease, box-shadow .22s ease;
    }
    .input-row input::placeholder{color:#8092a4}
    .input-row input:focus{
      border-color:rgba(25,224,183,.42);
      box-shadow:0 0 0 4px rgba(25,224,183,.10);
    }
    .cta-help{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:.88rem;
    }
    .cta-boxes{
      display:grid;
      gap:12px;
    }
    .cta-mini{
      padding:16px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .cta-mini strong{
      display:block;
      margin-bottom:4px;
      color:#eff6fb;
    }
    .cta-mini span{
      color:var(--muted);
      font-size:.92rem;
    }

    .site-footer{
      margin-top:18px;
      padding:34px 0 24px;
      border-top:1px solid rgba(255,255,255,.07);
      background:linear-gradient(180deg, rgba(8,12,18,.18), rgba(8,12,18,.92));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .8fr .8fr;
      gap:20px;
      align-items:start;
      padding-bottom:18px;
    }
    .footer-brand h3{
      margin:0 0 10px;
      font-size:1.08rem;
    }
    .footer-brand p{
      margin:0;
      color:#c2cfdb;
      font-size:.93rem;
      max-width:40ch;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:1rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#dce7f1;
      font-size:.93rem;
      transition:color .22s ease, transform .22s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--accent-2);
      transform:translateX(2px);
      outline:none;
    }
    .footer-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-note{
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.07);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.88rem;
    }
    .footer-note a{
      color:#dce7f1;
    }

    .section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(25,224,183,.18), transparent);
      margin:18px 0 0;
    }

    @media (max-width: 1280px){
      .hero-grid{min-height:auto}
      .searchbar{width:min(240px, 22vw)}
    }
    @media (max-width: 1024px){
      .hero-grid,
      .feature-grid,
      .data-grid,
      .faq-grid,
      .cta-card,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .topic-card.featured{grid-template-columns:1fr}
      .topic-card{grid-column:span 12}
      .hero-copy{padding-right:0}
      .searchbar{width:min(210px, 28vw)}
    }
    @media (max-width: 768px){
      :root{--header-h:70px}
      .container{width:min(var(--container), calc(100% - 22px))}
      .nav-toggle{display:inline-flex}
      .nav{
        position:absolute;
        left:16px;
        right:16px;
        top:calc(var(--header-h) - 4px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:12px;
        border-radius:20px;
        background:rgba(9,13,18,.98);
        border:1px solid rgba(255,255,255,.08);
        box-shadow:var(--shadow);
      }
      .nav.is-open{display:flex}
      .nav a{
        width:100%;
        text-align:center;
      }
      .nav-tools{
        margin-left:0;
        width:100%;
        flex-direction:column;
        align-items:stretch;
      }
      .searchbar{width:100%}
      .nav-wrap{position:relative}
      .hero-grid{padding:20px}
      .hero-metrics{grid-template-columns:1fr}
      .feature-grid{grid-template-columns:1fr}
      .mini-card{grid-template-columns:1fr}
      .topic-body{padding:16px}
      .input-row{grid-template-columns:1fr}
      .input-row .btn{width:100%}
      .section-head{align-items:flex-start;flex-direction:column}
      .section-note{white-space:normal}
      .hero-copy p,.section-lead,.card-text,.topic-body p,.faq-card p,.side-note p{font-size:.93rem}
    }
    @media (max-width: 520px){
      h1{font-size:2rem}
      .hero-shell{border-radius:22px}
      .hero-grid{padding:16px}
      .hero-actions,.hero-tags,.footer-tags{gap:8px}
      .btn{width:100%}
      .hero-actions .btn{width:auto;flex:1 1 160px}
      .quick-chip{min-height:52px}
      .topic-media{min-height:180px}
      .panel-card,.faq-card,.cta-card,.side-note,.feature-body,.topic-body{padding:16px}
      .footer-note{font-size:.84rem}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
        scroll-behavior:auto !important;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #070909;
      --bg-soft: #0d1111;
      --bg-card: #121818;
      --bg-card-2: #171f1f;
      --text: #f4f7f7;
      --muted: #a8b7b5;
      --weak: #6f807d;
      --line: rgba(199, 231, 224, .14);
      --line-strong: rgba(70, 255, 210, .34);
      --primary: #3ff2c2;
      --primary-dark: #16b893;
      --amber: #f4a93c;
      --silver: #c9d2d0;
      --danger: #ff6b5e;
      --radius-sm: 10px;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow: 0 22px 70px rgba(0, 0, 0, .38);
      --shadow-soft: 0 12px 36px rgba(0, 0, 0, .26);
      --container: 1220px;
      --header-h: 78px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.72;
      background:
        radial-gradient(circle at 16% 8%, rgba(63, 242, 194, .14), transparent 28%),
        radial-gradient(circle at 84% 2%, rgba(244, 169, 60, .10), transparent 24%),
        linear-gradient(180deg, #080b0b 0%, #0b1010 48%, #070909 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .28;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 75%);
      z-index: -2;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease), opacity .22s var(--ease);
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input,
    select {
      outline: none;
    }

    :focus-visible {
      outline: 3px solid rgba(63, 242, 194, .42);
      outline-offset: 3px;
      border-radius: 10px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      background: rgba(7, 9, 9, .82);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 310px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(63, 242, 194, .95), rgba(244, 169, 60, .92)),
        radial-gradient(circle at 60% 25%, #fff, transparent 34%);
      box-shadow: 0 0 32px rgba(63, 242, 194, .22);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 9px;
      border: 2px solid rgba(7, 9, 9, .72);
      transform: rotate(45deg);
    }

    .brand-copy {
      display: grid;
      line-height: 1.22;
    }

    .brand-name {
      font-weight: 900;
      letter-spacing: -.02em;
      font-size: 17px;
    }

    .brand-sub {
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
      max-width: 310px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav a {
      color: var(--muted);
      padding: 10px 14px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 14px;
      border: 1px solid transparent;
    }

    .nav a:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
      border-color: rgba(255, 255, 255, .08);
    }

    .nav a.active {
      color: #07100e;
      background: linear-gradient(135deg, var(--primary), #a8ffe9);
      box-shadow: 0 0 24px rgba(63, 242, 194, .18);
    }

    .nav-tools {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .searchbar {
      width: 245px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
    }

    .searchbar svg {
      width: 18px;
      height: 18px;
      fill: var(--weak);
      flex: 0 0 auto;
    }

    .searchbar input {
      width: 100%;
      color: var(--text);
      border: 0;
      background: transparent;
      font-size: 13px;
    }

    .searchbar input::placeholder {
      color: var(--weak);
    }

    .searchbar:focus-within {
      border-color: var(--line-strong);
      box-shadow: 0 0 0 4px rgba(63, 242, 194, .08);
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 13px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--line);
      position: relative;
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      position: absolute;
      left: 11px;
      right: 11px;
      height: 2px;
      background: var(--text);
      border-radius: 10px;
      transition: transform .22s var(--ease), top .22s var(--ease), opacity .22s var(--ease);
    }

    .nav-toggle span {
      top: 20px;
    }

    .nav-toggle span::before {
      left: 0;
      right: 0;
      top: -7px;
    }

    .nav-toggle span::after {
      left: 0;
      right: 0;
      top: 7px;
    }

    .nav-toggle.is-open span {
      transform: rotate(45deg);
    }

    .nav-toggle.is-open span::before {
      top: 0;
      opacity: 0;
    }

    .nav-toggle.is-open span::after {
      top: 0;
      transform: rotate(90deg);
    }

    .page-top {
      position: relative;
      padding: 54px 0 30px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, .07);
    }

    .page-top::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(7, 9, 9, .88), rgba(7, 9, 9, .74), rgba(7, 9, 9, .94)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity: .86;
      z-index: -2;
    }

    .page-top::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -1px;
      height: 90px;
      background: linear-gradient(to bottom, transparent, var(--bg));
      z-index: -1;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 18px;
    }

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

    .breadcrumb span {
      color: var(--weak);
    }

    .top-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.32fr) minmax(300px, .68fr);
      gap: 32px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #bfffee;
      background: rgba(63, 242, 194, .10);
      border: 1px solid rgba(63, 242, 194, .24);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 16px rgba(63, 242, 194, .8);
    }

    h1 {
      max-width: 910px;
      font-size: clamp(31px, 5vw, 56px);
      line-height: 1.08;
      letter-spacing: -.045em;
      font-weight: 950;
    }

    .lead {
      max-width: 850px;
      margin-top: 18px;
      color: #d2dcda;
      font-size: 17px;
    }

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

    .meta-chip,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .09);
      font-size: 13px;
      font-weight: 700;
    }

    .meta-chip strong {
      color: var(--primary);
    }

    .status-panel {
      padding: 20px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(18, 24, 24, .86), rgba(11, 16, 16, .78));
      border: 1px solid rgba(255, 255, 255, .10);
      box-shadow: var(--shadow);
    }

    .status-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-weight: 900;
    }

    .status-title span {
      color: var(--amber);
      font-size: 13px;
    }

    .status-list {
      display: grid;
      gap: 10px;
    }

    .status-item {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 13px;
      border-radius: 15px;
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .075);
    }

    .status-item b {
      color: var(--text);
      font-size: 14px;
    }

    .status-item small {
      color: var(--muted);
      text-align: right;
    }

    main {
      padding: 34px 0 0;
    }

    .section {
      padding: 44px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 22px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: .08em;
      margin-bottom: 7px;
    }

    .section-title {
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.16;
      letter-spacing: -.03em;
      font-weight: 950;
    }

    .section-desc {
      max-width: 620px;
      color: var(--muted);
      font-size: 15px;
    }

    .filter-panel {
      position: sticky;
      top: calc(var(--header-h) + 10px);
      z-index: 20;
      padding: 14px;
      border-radius: 22px;
      background: rgba(13, 17, 17, .88);
      border: 1px solid rgba(255, 255, 255, .10);
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow-soft);
      margin-bottom: 24px;
    }

    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .filter-label {
      color: var(--muted);
      font-weight: 850;
      font-size: 13px;
      margin-right: 3px;
    }

    .filter-btn,
    .select-like {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .085);
      font-weight: 800;
      font-size: 13px;
      transition: transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
    }

    .filter-btn:hover,
    .select-like:hover {
      color: var(--text);
      transform: translateY(-1px);
      border-color: rgba(63, 242, 194, .26);
    }

    .filter-btn.active {
      color: #07100e;
      background: var(--primary);
      border-color: transparent;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 28px;
      align-items: start;
    }

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

    .topic-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(18, 24, 24, .96), rgba(12, 17, 17, .96));
      border: 1px solid rgba(255, 255, 255, .10);
      box-shadow: 0 14px 44px rgba(0, 0, 0, .22);
      transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(63, 242, 194, .30);
      box-shadow: 0 24px 60px rgba(0, 0, 0, .34);
    }

    .topic-card.featured {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: .94fr 1.06fr;
      min-height: 330px;
    }

    .card-media {
      position: relative;
      min-height: 210px;
      background: #0b1010;
      overflow: hidden;
    }

    .topic-card.featured .card-media {
      min-height: 100%;
    }

    .card-media img {
      width: 100%;
      height: 100%;
      min-height: inherit;
      object-fit: cover;
      filter: saturate(1.05) contrast(1.04);
      transition: transform .45s var(--ease);
    }

    .topic-card:hover .card-media img {
      transform: scale(1.04);
    }

    .card-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(7, 9, 9, .74), transparent 58%);
    }

    .card-badge {
      position: absolute;
      left: 14px;
      top: 14px;
      z-index: 2;
      padding: 7px 10px;
      border-radius: 999px;
      color: #07100e;
      background: linear-gradient(135deg, var(--primary), #d6fff4);
      font-size: 12px;
      font-weight: 900;
    }

    .card-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      gap: 13px;
    }

    .topic-card h2,
    .topic-card h3 {
      font-size: 22px;
      line-height: 1.24;
      letter-spacing: -.02em;
      font-weight: 950;
    }

    .topic-card:not(.featured) h3 {
      font-size: 19px;
    }

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

    .info-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      color: var(--weak);
      font-size: 13px;
      margin-top: auto;
    }

    .info-line span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 3px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 14px;
      border: 1px solid transparent;
    }

    .btn-primary {
      color: #06100d;
      background: linear-gradient(135deg, var(--primary), #baffed);
      box-shadow: 0 10px 28px rgba(63, 242, 194, .18);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.04);
      box-shadow: 0 16px 36px rgba(63, 242, 194, .24);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255, 255, 255, .055);
      border-color: rgba(255, 255, 255, .11);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(63, 242, 194, .30);
      background: rgba(63, 242, 194, .08);
    }

    .sidebar {
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(18, 24, 24, .92), rgba(12, 17, 17, .92));
      border: 1px solid rgba(255, 255, 255, .10);
      box-shadow: var(--shadow-soft);
    }

    .side-card h3 {
      font-size: 17px;
      margin-bottom: 14px;
      font-weight: 950;
    }

    .hot-list {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .hot-list li {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 10px;
      align-items: start;
      padding: 10px 0;
      border-top: 1px solid rgba(255, 255, 255, .075);
    }

    .hot-list li:first-child {
      border-top: 0;
      padding-top: 0;
    }

    .rank {
      width: 30px;
      height: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      color: #06100d;
      background: var(--amber);
      font-weight: 950;
      font-size: 13px;
    }

    .hot-list a {
      display: block;
      font-weight: 850;
      line-height: 1.35;
    }

    .hot-list a:hover {
      color: var(--primary);
    }

    .hot-list small {
      display: block;
      color: var(--weak);
      margin-top: 5px;
      font-size: 12px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag-cloud a {
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .08);
      font-size: 12px;
      font-weight: 800;
    }

    .tag-cloud a:hover {
      color: var(--primary);
      border-color: rgba(63, 242, 194, .28);
      background: rgba(63, 242, 194, .07);
    }

    .timeline {
      display: grid;
      gap: 0;
      list-style: none;
    }

    .timeline li {
      position: relative;
      padding: 0 0 16px 20px;
      border-left: 1px solid rgba(63, 242, 194, .22);
    }

    .timeline li:last-child {
      padding-bottom: 0;
    }

    .timeline li::before {
      content: "";
      position: absolute;
      left: -5px;
      top: 4px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 15px rgba(63, 242, 194, .55);
    }

    .timeline b {
      display: block;
      line-height: 1.35;
      font-size: 14px;
    }

    .timeline small {
      color: var(--weak);
      font-size: 12px;
    }

    .insight-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 18px;
      align-items: stretch;
    }

    .insight-panel {
      position: relative;
      overflow: hidden;
      min-height: 330px;
      padding: 28px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(90deg, rgba(9, 13, 13, .92), rgba(9, 13, 13, .45)),
        url("/assets/images/coverpic/cover-4.webp") center/cover no-repeat;
      border: 1px solid rgba(255, 255, 255, .10);
    }

    .insight-panel h2 {
      max-width: 620px;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.16;
      letter-spacing: -.03em;
      margin-bottom: 12px;
      font-weight: 950;
    }

    .insight-panel p {
      max-width: 600px;
      color: #d3dddb;
    }

    .check-list {
      margin-top: 20px;
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: #06100d;
      background: var(--primary);
      font-weight: 950;
      line-height: 1;
      margin-top: 2px;
    }

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

    .metric-card {
      padding: 22px;
      border-radius: var(--radius);
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, .10);
    }

    .metric-card strong {
      display: block;
      color: var(--primary);
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.04em;
      margin-bottom: 8px;
    }

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

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .process-card {
      padding: 20px;
      min-height: 210px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(23, 31, 31, .96), rgba(12, 17, 17, .96));
      border: 1px solid rgba(255, 255, 255, .10);
      transition: transform .22s var(--ease), border-color .22s var(--ease);
    }

    .process-card:hover {
      transform: translateY(-3px);
      border-color: rgba(244, 169, 60, .32);
    }

    .step {
      width: 38px;
      height: 38px;
      margin-bottom: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      color: #07100e;
      background: linear-gradient(135deg, var(--amber), #ffe0a2);
      font-weight: 950;
    }

    .process-card h3 {
      font-size: 17px;
      line-height: 1.3;
      margin-bottom: 10px;
    }

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

    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      padding-top: 28px;
    }

    .page-btn {
      min-width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      border-radius: 14px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .09);
      font-weight: 900;
    }

    .page-btn:hover,
    .page-btn.active {
      color: #06100d;
      background: var(--primary);
      border-color: transparent;
      transform: translateY(-2px);
    }

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

    .faq-intro {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(23, 31, 31, .9), rgba(12, 17, 17, .9));
      border: 1px solid rgba(255, 255, 255, .10);
    }

    .faq-intro p {
      margin-top: 12px;
      color: var(--muted);
    }

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

    .faq-item {
      border-radius: var(--radius);
      background: rgba(18, 24, 24, .92);
      border: 1px solid rgba(255, 255, 255, .10);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question::after {
      content: "＋";
      color: var(--primary);
      font-weight: 950;
      transition: transform .22s var(--ease);
    }

    .faq-item.open .faq-question::after {
      content: "－";
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 14px;
      border-top: 1px solid rgba(255, 255, 255, .07);
    }

    .faq-item.open .faq-answer {
      display: block;
      padding-top: 14px;
    }

    .cta-band {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(63, 242, 194, .16), rgba(244, 169, 60, .10)),
        linear-gradient(180deg, rgba(23, 31, 31, .98), rgba(12, 17, 17, .98));
      border: 1px solid rgba(63, 242, 194, .20);
      box-shadow: var(--shadow-soft);
    }

    .cta-band h2 {
      font-size: clamp(24px, 3vw, 38px);
      line-height: 1.15;
      letter-spacing: -.03em;
      font-weight: 950;
      margin-bottom: 10px;
    }

    .cta-band p {
      color: var(--muted);
      max-width: 760px;
    }

    .site-footer {
      margin-top: 56px;
      padding: 46px 0 26px;
      background: #060808;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(180px, .55fr));
      gap: 30px;
    }

    .footer-brand h3,
    .footer-col h4 {
      font-weight: 950;
      margin-bottom: 12px;
    }

    .footer-brand p {
      max-width: 600px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

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

    .footer-links a:hover {
      color: var(--primary);
      transform: translateX(2px);
    }

    .footer-note {
      margin-top: 30px;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: var(--weak);
      font-size: 13px;
    }

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

    @media (max-width: 1280px) {
      .container {
        width: min(100% - 34px, 1160px);
      }

      .searchbar {
        width: 210px;
      }

      .brand {
        min-width: 280px;
      }
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: 72px;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .nav {
        position: fixed;
        top: var(--header-h);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(7, 9, 9, .96);
        border: 1px solid rgba(255, 255, 255, .10);
        box-shadow: var(--shadow);
      }

      .nav.is-open {
        display: flex;
      }

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

      .brand {
        min-width: auto;
        flex: 1;
      }

      .brand-sub {
        max-width: 260px;
      }

      .searchbar {
        display: none;
      }

      .top-grid,
      .content-layout,
      .insight-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: static;
      }

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

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

      .cta-band {
        grid-template-columns: 1fr;
      }
    }

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

      .page-top {
        padding-top: 36px;
      }

      .top-grid {
        gap: 22px;
      }

      .status-panel {
        padding: 16px;
      }

      .section {
        padding: 34px 0;
      }

      .section-head {
        display: grid;
        gap: 10px;
      }

      .cards-flow {
        grid-template-columns: 1fr;
      }

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

      .topic-card.featured .card-media {
        min-height: 230px;
      }

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

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-name {
        font-size: 15px;
      }

      .brand-sub {
        max-width: 190px;
        font-size: 11px;
      }

      h1 {
        font-size: 30px;
      }

      .lead {
        font-size: 15px;
      }

      .filter-row {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
      }

      .filter-btn,
      .select-like {
        white-space: nowrap;
      }

      .card-body {
        padding: 18px;
      }

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

      .cta-band {
        padding: 24px;
        border-radius: 24px;
      }

      .btn {
        width: 100%;
      }

      .footer-note {
        display: grid;
      }
    }