/* roulang page: index */
:root{
      --bg:#081018;
      --bg-2:#0c1520;
      --panel:#101b28;
      --panel-2:#142231;
      --line:rgba(186, 204, 223, .14);
      --line-2:rgba(120, 213, 198, .22);
      --text:#e6eef7;
      --muted:#91a3b8;
      --muted-2:#6f8297;
      --accent:#60e0c9;
      --accent-2:#7fa8ff;
      --violet:#a78bfa;
      --amber:#ffb84d;
      --danger:#ff6f7d;
      --shadow:0 18px 50px rgba(0,0,0,.32);
      --shadow-soft:0 10px 30px rgba(0,0,0,.22);
      --radius-xl:24px;
      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:10px;
      --container:1200px;
      --gap:24px;
      --gap-sm:14px;
      --trans:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at top left, rgba(96,224,201,.09), transparent 28%),
        radial-gradient(circle at top right, rgba(167,139,250,.08), transparent 24%),
        linear-gradient(180deg, #071018 0%, #08121b 40%, #070d14 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:52px 52px;
      opacity:.3;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.6), rgba(0,0,0,.05));
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--trans), border-color var(--trans), background var(--trans), transform var(--trans), box-shadow var(--trans);
    }
    img{
      max-width:100%;
      display:block;
      border:0;
    }
    button,input,textarea,select{
      font:inherit;
    }
    button{
      cursor:pointer;
    }
    :focus-visible{
      outline:2px solid rgba(96,224,201,.8);
      outline-offset:2px;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      background:linear-gradient(90deg, rgba(96,224,201,.12), rgba(167,139,250,.12));
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#d8e6f4;
      font-size:13px;
    }
    .topbar-inner{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:10px 0;
      flex-wrap:wrap;
    }
    .topbar .notice{
      display:flex;
      align-items:center;
      gap:10px;
      color:#dbe8f4;
    }
    .topbar .notice strong{
      color:#ffffff;
      letter-spacing:.02em;
    }
    .topbar .tip{
      color:var(--muted);
    }
    .chip-inline{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#e7f5ff;
      white-space:nowrap;
    }

    header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(12px);
      background:rgba(7,14,22,.78);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:74px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(96,224,201,.95), rgba(167,139,250,.85));
      box-shadow:0 12px 24px rgba(96,224,201,.18);
      position:relative;
      flex:none;
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(8,16,24,.55);
    }
    .brand-mark:before{
      inset:10px 9px 20px 9px;
      transform:skewX(-10deg);
    }
    .brand-mark:after{
      width:18px;
      height:18px;
      right:8px;
      bottom:8px;
      opacity:.9;
    }
    .brand-text{
      min-width:0;
    }
    .brand-name{
      display:block;
      font-size:18px;
      font-weight:800;
      letter-spacing:.01em;
      line-height:1.2;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      display:block;
      margin-top:3px;
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:40px;
      padding:0 16px;
      border-radius:999px;
      color:#dce8f4;
      font-size:14px;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
    }
    .nav a.active{
      background:rgba(96,224,201,.11);
      border-color:rgba(96,224,201,.22);
      color:#ffffff;
      box-shadow:0 10px 20px rgba(96,224,201,.06);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .icon-btn,
    .ghost-btn,
    .solid-btn,
    .tab-btn{
      border:1px solid transparent;
      border-radius:999px;
      transition:transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans);
    }
    .ghost-btn,
    .icon-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      background:rgba(255,255,255,.04);
      color:#e8f2fb;
      border-color:rgba(255,255,255,.08);
      box-shadow:none;
    }
    .ghost-btn:hover,
    .icon-btn:hover{
      transform:translateY(-1px);
      border-color:rgba(96,224,201,.24);
      background:rgba(96,224,201,.08);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .icon-btn svg{
      width:16px;
      height:16px;
      margin-right:8px;
      fill:currentColor;
    }

    main{
      position:relative;
      z-index:1;
    }
    .hero{
      position:relative;
      padding:34px 0 24px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(9,16,25,.92), rgba(10,18,28,.84)),
        var(--hero-image) center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(5,10,16,.88) 0%, rgba(5,10,16,.62) 45%, rgba(5,10,16,.32) 100%),
        linear-gradient(180deg, rgba(5,10,16,.12), rgba(5,10,16,.36));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      padding:38px;
      align-items:center;
    }
    .hero-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      font-size:12px;
      letter-spacing:.02em;
      border:1px solid rgba(255,255,255,.08);
      color:#dce7f4;
      background:rgba(255,255,255,.04);
    }
    .pill strong{
      color:#fff;
      font-weight:700;
    }
    .pill.accent{
      background:rgba(96,224,201,.11);
      border-color:rgba(96,224,201,.2);
      color:#edfdf8;
    }
    .pill.violet{
      background:rgba(167,139,250,.12);
      border-color:rgba(167,139,250,.22);
      color:#f3edff;
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px, 4.5vw, 60px);
      line-height:1.08;
      letter-spacing:-.02em;
      max-width:12em;
    }
    .hero p{
      margin:18px 0 0;
      color:#c9d7e5;
      font-size:16px;
      max-width:44rem;
    }
    .hero-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:12px;
      max-width:44rem;
    }
    .hero-list li{
      display:flex;
      gap:10px;
      color:#d7e2ee;
      align-items:flex-start;
    }
    .hero-list li:before{
      content:"";
      width:9px;
      height:9px;
      margin-top:9px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--violet));
      box-shadow:0 0 0 4px rgba(96,224,201,.08);
      flex:none;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .solid-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 18px;
      color:#071018;
      font-weight:700;
      background:linear-gradient(135deg, var(--accent), #8ff1df);
      box-shadow:0 16px 30px rgba(96,224,201,.18);
    }
    .solid-btn:hover{
      transform:translateY(-1px);
      box-shadow:0 18px 34px rgba(96,224,201,.24);
    }
    .outline-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      color:#eef6ff;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
    }
    .outline-btn:hover{
      transform:translateY(-1px);
      border-color:rgba(127,168,255,.32);
      background:rgba(127,168,255,.08);
    }

    .hero-visual{
      display:grid;
      gap:14px;
      align-self:stretch;
    }
    .visual-main,
    .visual-mini,
    .visual-note{
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .visual-main{
      min-height:280px;
      position:relative;
      overflow:hidden;
    }
    .visual-main img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:280px;
      filter:saturate(1.02) contrast(1.02);
    }
    .visual-main .overlay{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,18,28,.06), rgba(10,18,28,.78));
    }
    .visual-main .caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .visual-main .caption .title{
      font-size:18px;
      font-weight:800;
      line-height:1.2;
    }
    .visual-main .caption .desc{
      color:#d4deea;
      font-size:13px;
    }
    .hero-meta-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .visual-mini,
    .visual-note{
      padding:16px;
    }
    .stat{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .stat .num{
      font-size:26px;
      font-weight:800;
      letter-spacing:-.02em;
      line-height:1;
    }
    .stat .lab{
      color:var(--muted);
      font-size:13px;
    }
    .stat .tag{
      display:inline-flex;
      width:fit-content;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      background:rgba(96,224,201,.12);
      color:#e7fff8;
      border:1px solid rgba(96,224,201,.18);
    }
    .visual-note{
      display:flex;
      align-items:center;
      gap:12px;
      background:linear-gradient(135deg, rgba(20,34,49,.92), rgba(16,27,40,.9));
    }
    .bar-mini{
      width:5px;
      height:44px;
      border-radius:999px;
      background:linear-gradient(180deg, var(--accent), var(--violet));
      flex:none;
    }
    .visual-note p{
      margin:0;
      color:#dfe8f2;
      font-size:13px;
      line-height:1.65;
    }

    .ticker{
      margin-top:18px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      background:rgba(16,27,40,.7);
      overflow:hidden;
    }
    .ticker-inner{
      display:flex;
      gap:14px;
      padding:14px 16px;
      overflow:auto;
      scrollbar-width:none;
    }
    .ticker-inner::-webkit-scrollbar{display:none}
    .ticker-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe6f3;
      font-size:13px;
      white-space:nowrap;
      flex:none;
    }
    .ticker-item strong{color:#fff}
    .ticker-item .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 4px rgba(255,184,77,.12);
    }

    section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      max-width:58rem;
      font-size:14px;
    }
    .section-link{
      flex:none;
      font-size:14px;
      color:#dff4ef;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(96,224,201,.18);
      background:rgba(96,224,201,.08);
    }
    .section-link:hover{
      transform:translateY(-1px);
      background:rgba(96,224,201,.12);
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .feature-stack{
      display:grid;
      gap:18px;
    }
    .card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(20,34,49,.95), rgba(14,23,34,.96));
      box-shadow:var(--shadow-soft);
      transition:transform var(--trans), box-shadow var(--trans), border-color var(--trans), background var(--trans);
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(96,224,201,.22);
      box-shadow:0 18px 40px rgba(0,0,0,.28);
    }
    .feature-card{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      min-height:240px;
    }
    .feature-copy{
      padding:22px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .card-title{
      margin:0;
      font-size:22px;
      line-height:1.25;
      letter-spacing:-.01em;
    }
    .card-text{
      margin:0;
      color:#c3d2e1;
      font-size:14px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      line-height:1;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#dfe9f5;
    }
    .badge.accent{
      background:rgba(96,224,201,.12);
      border-color:rgba(96,224,201,.2);
      color:#effffb;
    }
    .badge.violet{
      background:rgba(167,139,250,.12);
      border-color:rgba(167,139,250,.2);
      color:#f2edff;
    }
    .badge.amber{
      background:rgba(255,184,77,.12);
      border-color:rgba(255,184,77,.18);
      color:#fff4df;
    }
    .badge.red{
      background:rgba(255,111,125,.12);
      border-color:rgba(255,111,125,.18);
      color:#ffe9ec;
    }
    .card-actions{
      margin-top:auto;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .card-actions a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      font-size:13px;
    }
    .card-actions .mini-btn{
      color:#082018;
      background:linear-gradient(135deg, var(--accent), #96f2e1);
      font-weight:700;
    }
    .card-actions .mini-line{
      color:#eaf2fb;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
    }
    .feature-image{
      position:relative;
      min-height:240px;
      overflow:hidden;
      border-left:1px solid rgba(255,255,255,.06);
    }
    .feature-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:240px;
    }
    .feature-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(10,18,28,.1), rgba(10,18,28,.36));
    }
    .feature-mini-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:18px;
    }
    .mini-card{
      padding:18px;
      min-height:180px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .mini-card .num{
      font-size:30px;
      font-weight:800;
      line-height:1;
      letter-spacing:-.02em;
    }
    .mini-card p{
      margin:0;
      color:#c6d5e4;
      font-size:14px;
    }

    .tabs{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:16px;
    }
    .tab-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      color:#d7e4f1;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
    }
    .tab-btn:hover{
      background:rgba(255,255,255,.06);
      border-color:rgba(96,224,201,.2);
      transform:translateY(-1px);
    }
    .tab-btn.active{
      background:rgba(96,224,201,.12);
      border-color:rgba(96,224,201,.22);
      color:#fff;
    }
    .content-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      display:flex;
      flex-direction:column;
      overflow:hidden;
      min-height:100%;
    }
    .topic-card .thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
    }
    .topic-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .4s ease;
    }
    .topic-card:hover .thumb img{
      transform:scale(1.03);
    }
    .topic-card .thumb:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,16,24,.06), rgba(8,16,24,.42));
    }
    .topic-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:10px;
      height:100%;
    }
    .topic-kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:12px;
    }
    .topic-body h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
      letter-spacing:-.01em;
    }
    .topic-body p{
      margin:0;
      color:#c7d4e3;
      font-size:14px;
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .topic-footer{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding-top:6px;
    }
    .topic-footer .read{
      color:#eaf6f3;
      font-size:13px;
      font-weight:700;
    }
    .topic-footer .time{
      color:var(--muted-2);
      font-size:12px;
    }

    .panel-wrap{
      position:relative;
    }
    .panel{
      display:none;
    }
    .panel.active{
      display:block;
      animation:fadeUp .25s ease;
    }
    @keyframes fadeUp{
      from{opacity:.4; transform:translateY(8px)}
      to{opacity:1; transform:translateY(0)}
    }

    .data-board{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .scoreboard{
      padding:20px;
    }
    .scoreboard-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:18px;
    }
    .scoreboard-head h3{
      margin:0;
      font-size:20px;
    }
    .scoreboard-head .small{
      color:var(--muted);
      font-size:13px;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .metric .label{
      color:var(--muted);
      font-size:12px;
      margin-bottom:10px;
    }
    .metric .value{
      font-size:28px;
      font-weight:800;
      line-height:1;
      margin-bottom:8px;
      letter-spacing:-.02em;
    }
    .metric .desc{
      font-size:13px;
      color:#c8d5e3;
      line-height:1.6;
    }
    .timeline{
      padding:20px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .timeline h3{
      margin:0;
      font-size:20px;
    }
    .timeline-list{
      display:grid;
      gap:12px;
    }
    .timeline-item{
      padding:14px 14px 14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
      display:grid;
      grid-template-columns:auto 1fr;
      gap:12px;
      align-items:start;
    }
    .timeline-item .index{
      width:32px;
      height:32px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      color:#09131b;
      background:linear-gradient(135deg, var(--accent), #97f3e3);
      flex:none;
    }
    .timeline-item h4{
      margin:0 0 4px;
      font-size:15px;
    }
    .timeline-item p{
      margin:0;
      color:#c7d5e2;
      font-size:13px;
      line-height:1.65;
    }
    .spark{
      display:flex;
      align-items:end;
      gap:6px;
      height:42px;
      margin-top:10px;
    }
    .spark span{
      width:12px;
      border-radius:999px 999px 4px 4px;
      background:linear-gradient(180deg, rgba(96,224,201,.95), rgba(167,139,250,.92));
      opacity:.9;
    }
    .spark span:nth-child(1){height:44%}
    .spark span:nth-child(2){height:62%}
    .spark span:nth-child(3){height:78%}
    .spark span:nth-child(4){height:54%}
    .spark span:nth-child(5){height:86%}
    .spark span:nth-child(6){height:68%}
    .spark span:nth-child(7){height:40%}

    .search-section{
      padding:12px 0 28px;
    }
    .search-box{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      padding:22px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(18,31,46,.94), rgba(12,19,29,.96));
      box-shadow:var(--shadow-soft);
    }
    .search-copy h2{
      margin:0;
      font-size:28px;
      line-height:1.2;
    }
    .search-copy p{
      margin:10px 0 0;
      color:#c7d6e5;
      max-width:54rem;
    }
    .search-form{
      display:flex;
      flex-direction:column;
      gap:12px;
      align-self:center;
    }
    .input-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .input-row input{
      flex:1 1 280px;
      min-width:0;
      min-height:48px;
      padding:0 16px;
      border-radius:16px;
      color:#fff;
      background:#09121b;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .input-row input::placeholder{
      color:#8798ac;
    }
    .input-row input:focus{
      border-color:rgba(96,224,201,.32);
      box-shadow:0 0 0 4px rgba(96,224,201,.08);
      outline:none;
    }
    .search-form .hint{
      color:var(--muted);
      font-size:12px;
    }
    .search-points{
      display:grid;
      gap:12px;
      align-self:center;
    }
    .point{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .point i{
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:7px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(96,224,201,.08);
      flex:none;
    }
    .point span{
      color:#dfe8f4;
      font-size:13px;
      line-height:1.65;
    }

    .faq-grid{
      display:grid;
      gap:12px;
    }
    details.faq{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      overflow:hidden;
    }
    details.faq[open]{
      border-color:rgba(96,224,201,.2);
      background:rgba(96,224,201,.05);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      color:#edf5ff;
      font-size:15px;
    }
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary:after{
      content:"+";
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      color:#082018;
      background:linear-gradient(135deg, var(--accent), #94efe0);
      flex:none;
      font-size:18px;
      font-weight:800;
      transition:transform var(--trans);
    }
    details.faq[open] summary:after{
      content:"–";
      transform:rotate(180deg);
    }
    .faq-content{
      padding:0 18px 18px;
      color:#c9d6e3;
      font-size:14px;
      line-height:1.8;
    }

    footer{
      margin-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(4,9,14,.55);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      padding:30px 0;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand .site{
      font-size:18px;
      font-weight:800;
      line-height:1.2;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:56rem;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
      align-content:flex-start;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#e4eef8;
      font-size:13px;
    }
    .footer-links a:hover{
      transform:translateY(-1px);
      border-color:rgba(96,224,201,.2);
      background:rgba(96,224,201,.07);
    }
    .copyright{
      grid-column:1 / -1;
      padding-top:10px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--muted-2);
      font-size:12px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .hidden-note{
      display:none;
    }

    @media (max-width: 1280px){
      .hero-grid{padding:32px}
      .feature-grid,.data-board,.search-box,.footer-inner{grid-template-columns:1fr}
      .content-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
    }
    @media (max-width: 1024px){
      .header-inner{flex-wrap:wrap}
      .nav-wrap{width:100%;justify-content:space-between}
      .hero-grid{grid-template-columns:1fr}
      .hero h1{max-width:unset}
      .hero-visual{grid-template-columns:1fr 1fr}
      .visual-main{grid-column:1 / -1}
      .feature-card{grid-template-columns:1fr}
      .feature-image{min-height:220px;border-left:0;border-top:1px solid rgba(255,255,255,.06)}
      .metric-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero{padding-top:18px}
      .hero-grid{padding:22px}
      .hero-visual{grid-template-columns:1fr}
      .content-grid{grid-template-columns:1fr}
      .feature-mini-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .nav{
        width:100%;
        justify-content:space-between;
        overflow:auto;
      }
      .nav a{padding:0 14px}
      .nav-tools{width:100%;justify-content:flex-start;flex-wrap:wrap}
      .header-inner{padding:10px 0 12px}
      .section-head{align-items:flex-start;flex-direction:column}
      .footer-links{justify-content:flex-start}
      .copyright{flex-direction:column}
    }
    @media (max-width: 520px){
      .topbar-inner{padding:8px 0}
      .brand-name{font-size:16px}
      .brand-mark{width:40px;height:40px;border-radius:12px}
      .hero-shell{border-radius:22px}
      .hero-grid{padding:18px}
      .hero h1{font-size:30px}
      .hero p{font-size:15px}
      .hero-actions{flex-direction:column}
      .solid-btn,.outline-btn,.ghost-btn,.icon-btn,.tab-btn{width:100%}
      .visual-main .caption .title{font-size:16px}
      .search-box{padding:18px;border-radius:22px}
      .search-copy h2{font-size:24px}
      .card-title{font-size:19px}
      .topic-body h3{font-size:17px}
      details.faq summary{padding:16px}
    }

/* roulang page: category1 */
:root{
      --bg:#0b0f14;
      --bg-2:#111820;
      --panel:#151d27;
      --panel-2:#192331;
      --text:#eef6f8;
      --muted:#9fb0bd;
      --soft:#6f7f8d;
      --line:rgba(173,213,222,.16);
      --line-strong:rgba(113,233,214,.36);
      --mint:#63e6d2;
      --cyan:#7adfff;
      --purple:#9e7cff;
      --amber:#ffbf62;
      --danger:#ff7e7e;
      --shadow:0 20px 60px rgba(0,0,0,.36);
      --shadow-soft:0 14px 32px rgba(0,0,0,.24);
      --radius-lg:24px;
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at 12% 4%,rgba(99,230,210,.13),transparent 26%),
        radial-gradient(circle at 86% 2%,rgba(158,124,255,.12),transparent 25%),
        linear-gradient(180deg,#0b0f14 0%,#0f151d 48%,#0b0f14 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      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:46px 46px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit;color:inherit}
    button{cursor:pointer;border:0;background:none}
    :focus-visible{outline:2px solid var(--mint);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:78px 0}
    .section.compact{padding:48px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 18px var(--mint)}
    h1,h2,h3{line-height:1.16;letter-spacing:-.03em}
    h1{font-size:clamp(34px,5vw,64px);margin:14px 0 18px;max-width:920px}
    h2{font-size:clamp(26px,3.2vw,42px);margin:10px 0 14px}
    h3{font-size:20px;margin-bottom:10px}
    p{color:var(--muted)}
    .lead{font-size:18px;max-width:860px;color:#c5d4dd}
    .topbar{border-bottom:1px solid var(--line);background:rgba(9,13,18,.72);backdrop-filter:blur(14px)}
    .topbar .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0;font-size:13px;color:var(--muted)}
    .topbar strong{color:var(--amber);font-weight:800}
    header{position:sticky;top:0;z-index:30;background:rgba(11,15,20,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:78px}
    .brand{display:flex;align-items:center;gap:13px;min-width:0}
    .brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--mint),var(--purple));position:relative;box-shadow:0 14px 34px rgba(99,230,210,.22)}
    .brand-mark:after{content:"";position:absolute;inset:9px;border:2px solid rgba(11,15,20,.72);border-radius:10px;transform:skew(-8deg)}
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-name{font-size:17px;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-sub{font-size:12px;color:var(--soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:460px}
    .nav-wrap{display:flex;align-items:center;gap:16px}
    .nav{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03)}
    .nav a{position:relative;padding:9px 16px;border-radius:999px;color:#b8c9d4;font-size:14px;font-weight:700;transition:var(--ease)}
    .nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
    .nav a.active{color:#061116;background:linear-gradient(135deg,var(--mint),var(--cyan));box-shadow:0 10px 24px rgba(99,230,210,.18)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .icon-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:#d3e2e9;background:rgba(255,255,255,.04);transition:var(--ease);font-weight:700;font-size:14px}
    .icon-btn svg{width:18px;height:18px;fill:currentColor}
    .icon-btn:hover{border-color:var(--line-strong);transform:translateY(-1px);box-shadow:var(--shadow-soft)}
    .breadcrumb{padding:28px 0 0;color:var(--muted);font-size:14px}
    .breadcrumb a{color:#c7d8df;transition:var(--ease)}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb span{margin:0 8px;color:var(--soft)}
    .category-hero{position:relative;overflow:hidden;padding:54px 0 66px;border-bottom:1px solid var(--line)}
    .category-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,15,20,.96),rgba(11,15,20,.74)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;z-index:-2}
    .category-hero:after{content:"";position:absolute;right:-120px;top:40px;width:420px;height:420px;border:1px solid rgba(99,230,210,.16);border-radius:50%;background:radial-gradient(circle,rgba(99,230,210,.12),transparent 62%);z-index:-1}
    .hero-panel{display:grid;grid-template-columns:1.18fr .82fr;gap:34px;align-items:end}
    .hero-copy{padding-top:14px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:900;transition:var(--ease);border:1px solid transparent;min-height:48px}
    .btn-primary{background:linear-gradient(135deg,var(--mint),var(--cyan));color:#071216;box-shadow:0 14px 32px rgba(99,230,210,.18)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(99,230,210,.26)}
    .btn-secondary{border-color:var(--line-strong);color:#d7eef1;background:rgba(255,255,255,.035)}
    .btn-secondary:hover{background:rgba(99,230,210,.08);transform:translateY(-2px)}
    .hero-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(21,29,39,.74);box-shadow:var(--shadow);overflow:hidden}
    .hero-card img{height:230px;width:100%;object-fit:cover;filter:saturate(.92) contrast(1.05)}
    .hero-card .card-body{padding:22px}
    .score-mini{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;margin-top:16px;padding:14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
    .team{font-weight:900}.score{font-size:26px;font-weight:950;color:var(--mint);font-variant-numeric:tabular-nums}.right{text-align:right}
    .filters-wrap{margin-top:-34px;position:relative;z-index:2}
    .filters{display:grid;grid-template-columns:1.4fr repeat(3,.75fr);gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(18,25,34,.94);box-shadow:var(--shadow-soft);backdrop-filter:blur(16px)}
    .search-box,.select-box{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);padding:0 14px;min-height:48px;transition:var(--ease)}
    .search-box:focus-within,.select-box:focus-within{border-color:var(--mint);box-shadow:0 0 0 4px rgba(99,230,210,.08)}
    .search-box input,.select-box select{width:100%;border:0;outline:0;background:transparent;color:var(--text)}
    .select-box select option{background:#121923;color:#fff}
    .filter-tag{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:14px;padding:10px 12px;font-weight:800;color:#cce0e6;background:rgba(255,255,255,.035);transition:var(--ease)}
    .filter-tag.active,.filter-tag:hover{border-color:var(--line-strong);color:#061116;background:linear-gradient(135deg,var(--mint),var(--cyan))}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
    .section-head p{max-width:660px}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#c5d8df;font-size:13px;font-weight:800}
    .badge.mint{color:var(--mint);border-color:rgba(99,230,210,.32)}
    .badge.purple{color:#cbbdff;border-color:rgba(158,124,255,.32)}
    .badge.amber{color:var(--amber);border-color:rgba(255,191,98,.32)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
    .feature-list{display:grid;gap:18px}
    .feature-card{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.025));transition:var(--ease);overflow:hidden}
    .feature-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
    .feature-card img{height:158px;width:100%;object-fit:cover;border-radius:14px}
    .meta{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 12px;font-size:13px;color:var(--soft)}
    .meta strong{color:var(--amber);font-weight:900}
    .feature-card h3 a:hover{color:var(--mint)}
    .side-panel{position:sticky;top:98px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(21,29,39,.74);padding:22px;box-shadow:var(--shadow-soft)}
    .hot-list{display:grid;gap:12px;margin-top:16px}
    .hot-item{display:flex;justify-content:space-between;gap:12px;padding:12px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid var(--line);transition:var(--ease)}
    .hot-item:hover{border-color:var(--line-strong);transform:translateX(2px)}
    .hot-item span:first-child{font-weight:800}.hot-item span:last-child{color:var(--mint);font-variant-numeric:tabular-nums}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .time-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--panel);overflow:hidden;transition:var(--ease)}
    .time-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
    .time-card:before{content:attr(data-step);position:absolute;right:18px;top:12px;font-size:42px;font-weight:950;color:rgba(255,255,255,.05);line-height:1}
    .time-card .date{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(255,191,98,.12);color:var(--amber);font-size:12px;font-weight:900;margin-bottom:14px}
    .compare-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center}
    .visual-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);padding:16px;box-shadow:var(--shadow-soft)}
    .visual-card img{border-radius:18px;height:360px;width:100%;object-fit:cover}
    .check-list{display:grid;gap:13px;margin-top:20px}
    .check-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:#c8d7de}
    .check-list li:before{content:"✓";flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:rgba(99,230,210,.14);color:var(--mint);font-weight:900}
    .notice{border:1px solid rgba(255,191,98,.28);border-radius:var(--radius);padding:20px;background:linear-gradient(135deg,rgba(255,191,98,.10),rgba(255,255,255,.03));display:flex;gap:16px;align-items:flex-start}
    .notice-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:rgba(255,191,98,.16);color:var(--amber);font-size:22px;font-weight:950;flex:0 0 auto}
    .faq{display:grid;gap:12px;max-width:920px;margin:0 auto}
    details{border:1px solid var(--line);border-radius:var(--radius);background:rgba(21,29,39,.72);overflow:hidden;transition:var(--ease)}
    details:hover{border-color:var(--line-strong)}
    summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;font-weight:900;cursor:pointer}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:24px;color:var(--mint);transition:var(--ease)}
    details[open] summary:after{transform:rotate(45deg)}
    details p{padding:0 20px 20px;color:#c0d0d8}
    .cta{padding:42px;border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(99,230,210,.14),rgba(158,124,255,.10)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;box-shadow:var(--shadow);overflow:hidden}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;background:rgba(11,15,20,.62);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:28px;backdrop-filter:blur(8px)}
    footer{border-top:1px solid var(--line);background:#080c11;margin-top:42px}
    .footer-inner{display:grid;grid-template-columns:1.2fr .7fr;gap:28px;padding:44px 0 26px}
    .footer-brand .site{font-size:20px;font-weight:950;margin-bottom:10px}
    .footer-brand p{max-width:720px}
    .footer-links{display:flex;justify-content:flex-end;align-items:flex-start;gap:12px;flex-wrap:wrap}
    .footer-links a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:#c3d4dc;transition:var(--ease)}
    .footer-links a:hover{border-color:var(--line-strong);color:var(--mint)}
    .copyright{grid-column:1/-1;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);color:var(--soft);font-size:13px}
    @media (max-width:1280px){.container{width:min(1120px,calc(100% - 36px))}.brand-sub{max-width:360px}}
    @media (max-width:1024px){
      .header-inner{align-items:flex-start;flex-direction:column;padding:16px 0;gap:14px}.nav-wrap{width:100%;justify-content:space-between}.hero-panel,.content-layout,.compare-grid{grid-template-columns:1fr}.side-panel{position:static}.timeline{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      .topbar .container{flex-direction:column;gap:4px}.nav-wrap{flex-direction:column;align-items:stretch}.nav{width:100%;overflow-x:auto;justify-content:flex-start}.nav-tools{width:100%}.icon-btn{width:100%;justify-content:center}.category-hero{padding:38px 0 56px}.hero-actions{flex-direction:column}.btn{width:100%}.filters{grid-template-columns:1fr}.section{padding:56px 0}.section-head{align-items:flex-start;flex-direction:column}.feature-card{grid-template-columns:1fr}.feature-card img{height:210px}.cta-inner{flex-direction:column;align-items:flex-start}.visual-card img{height:260px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}h1{font-size:32px}.brand-name{font-size:15px}.brand-sub{max-width:260px}.hero-card img{height:190px}.timeline{grid-template-columns:1fr}.score-mini{grid-template-columns:1fr;text-align:left}.right{text-align:left}.cta{padding:18px}.cta-inner{padding:20px}.copyright{flex-direction:column}.footer-inner{padding-top:34px}
    }