/* roulang page: index */
:root{
      --bg:#0b0f14;
      --bg-soft:#111723;
      --bg-soft-2:#151d2a;
      --surface:#101621;
      --surface-2:#151c28;
      --card:#131a26;
      --card-2:#162031;
      --line:rgba(168, 186, 205, .14);
      --line-strong:rgba(24, 212, 193, .35);
      --text:#eff4f7;
      --muted:#97a6bb;
      --muted-2:#6f7d92;
      --accent:#18d4c1;
      --accent-2:#5af0df;
      --accent-soft:rgba(24, 212, 193, .14);
      --warn:#ff5a55;
      --warn-soft:rgba(255, 90, 85, .16);
      --shadow:0 18px 50px rgba(0, 0, 0, .34);
      --shadow-soft:0 10px 30px rgba(0, 0, 0, .22);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      background:
        radial-gradient(circle at top right, rgba(24,212,193,.11), transparent 30%),
        radial-gradient(circle at 15% 20%, rgba(255,90,85,.07), transparent 24%),
        linear-gradient(180deg, #0b0f14 0%, #0c1118 45%, #0a0e13 100%);
      color:var(--text);
      line-height:1.75;
      letter-spacing:.01em;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(120deg, rgba(255,255,255,.02) 0%, rgba(255,255,255,0) 24%, rgba(255,255,255,.018) 48%, rgba(255,255,255,0) 72%, rgba(255,255,255,.02) 100%),
        linear-gradient(180deg, rgba(255,255,255,.03) 0, rgba(255,255,255,0) 180px);
      opacity:.35;
      z-index:0;
      mix-blend-mode:screen;
    }
    img{
      max-width:100%;
      display:block;
      border:0;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
    }
    button,input,textarea,select{
      font:inherit;
    }
    button{
      cursor:pointer;
    }
    ::selection{
      background:rgba(24,212,193,.28);
      color:#fff;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      backdrop-filter:saturate(130%) blur(10px);
      background:rgba(10,14,19,.84);
      border-bottom:1px solid rgba(168,186,205,.12);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-badge{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(145deg, rgba(24,212,193,.18), rgba(24,212,193,.06)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,0));
      border:1px solid rgba(24,212,193,.26);
      color:var(--accent-2);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      flex:none;
    }
    .brand-badge svg{
      width:24px;
      height:24px;
      fill:currentColor;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-name{
      font-weight:900;
      font-size:1.02rem;
      line-height:1.1;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
      white-space:nowrap;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:center;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:0 14px;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted);
      background:transparent;
      font-size:.95rem;
      white-space:nowrap;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      border-color:rgba(24,212,193,.25);
      background:rgba(24,212,193,.08);
      outline:none;
    }
    .nav-link.active{
      color:var(--text);
      border-color:rgba(24,212,193,.34);
      background:rgba(24,212,193,.12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid rgba(24,212,193,.42);
      background:linear-gradient(180deg, rgba(24,212,193,.18), rgba(24,212,193,.08));
      color:var(--text);
      font-weight:700;
      box-shadow:0 10px 25px rgba(24,212,193,.08);
      white-space:nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(24,212,193,.62);
      background:rgba(24,212,193,.18);
      outline:none;
    }
    .hero{
      position:relative;
      padding:92px 0 48px;
      overflow:hidden;
      border-bottom:1px solid rgba(168,186,205,.08);
      background:
        linear-gradient(180deg, rgba(10,14,19,.32), rgba(10,14,19,.88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(125deg, rgba(10,14,19,.92) 0%, rgba(10,14,19,.62) 42%, rgba(10,14,19,.88) 100%),
        radial-gradient(circle at 78% 26%, rgba(24,212,193,.16), transparent 26%),
        radial-gradient(circle at 90% 10%, rgba(255,90,85,.12), transparent 20%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -18% -60px -18%;
      height:220px;
      background:linear-gradient(90deg, transparent 0%, rgba(24,212,193,.1) 25%, transparent 50%, rgba(255,90,85,.08) 72%, transparent 100%);
      transform:skewY(-6deg);
      opacity:.62;
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);
      gap:28px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(24,212,193,.12);
      color:var(--accent-2);
      border:1px solid rgba(24,212,193,.24);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(24,212,193,.12);
    }
    .hero h1{
      margin:18px 0 16px;
      font-size:clamp(2.25rem, 5vw, 4.65rem);
      line-height:1.05;
      letter-spacing:-.04em;
      font-weight:900;
      max-width:11.5ch;
    }
    .hero-lead{
      max-width:62ch;
      margin:0;
      color:#dce6ef;
      font-size:1.02rem;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease);
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(180deg, var(--accent-2), var(--accent));
      color:#071014;
      box-shadow:0 16px 32px rgba(24,212,193,.16);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 36px rgba(24,212,193,.22);
    }
    .btn-outline{
      background:transparent;
      color:var(--text);
      border-color:rgba(168,186,205,.22);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .btn-outline:hover,
    .btn-outline:focus-visible{
      border-color:rgba(24,212,193,.4);
      background:rgba(24,212,193,.06);
    }
    .btn-ghost{
      background:rgba(255,255,255,.02);
      color:var(--text);
      border-color:rgba(168,186,205,.14);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      border-color:rgba(24,212,193,.32);
      background:rgba(255,255,255,.04);
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(168,186,205,.14);
      color:#d8e1eb;
      font-size:.88rem;
      white-space:nowrap;
    }
    .hero-panel{
      position:relative;
      display:grid;
      gap:14px;
      padding:16px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(17,23,35,.88), rgba(12,16,24,.92));
      border:1px solid rgba(168,186,205,.14);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .media-card{
      position:relative;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(168,186,205,.12);
      aspect-ratio:16/10;
      background:#091016;
    }
    .media-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.02) contrast(1.02);
      transform:scale(1.01);
    }
    .media-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,14,19,.02) 0%, rgba(10,14,19,.38) 100%);
    }
    .media-overlay{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      z-index:1;
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:5px;
    }
    .media-overlay strong{
      font-size:1.05rem;
      letter-spacing:.01em;
    }
    .media-overlay span{
      font-size:.9rem;
      color:#d5e1eb;
    }
    .panel-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .panel-card{
      padding:14px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(22,32,49,.96), rgba(15,20,30,.96));
      border:1px solid rgba(168,186,205,.12);
      min-height:118px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .panel-card .mini-label{
      color:var(--accent-2);
      font-size:.8rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .panel-card strong{
      font-size:1rem;
      line-height:1.35;
    }
    .panel-card p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.65;
    }
    .section{
      padding:78px 0;
      position:relative;
    }
    .section.alt{
      background:linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,.015));
      border-top:1px solid rgba(168,186,205,.06);
      border-bottom:1px solid rgba(168,186,205,.06);
    }
    .section-head{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-bottom:24px;
    }
    .section-kicker{
      color:var(--accent-2);
      font-size:.9rem;
      font-weight:800;
      letter-spacing:.14em;
      text-transform:uppercase;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.55rem, 3vw, 2.5rem);
      line-height:1.16;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:70ch;
      line-height:1.85;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
      margin-top:-26px;
    }
    .stat-card{
      padding:20px 18px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(19,26,38,.94), rgba(15,21,31,.96));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .stat-card::after{
      content:"";
      position:absolute;
      inset:auto -10px -28px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(24,212,193,.12), transparent 66%);
      pointer-events:none;
    }
    .stat-value{
      font-size:1.85rem;
      font-weight:900;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--accent-2);
      font-variant-numeric:tabular-nums;
    }
    .stat-label{
      margin-top:10px;
      font-size:1rem;
      font-weight:800;
    }
    .stat-text{
      margin-top:6px;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.6;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.15fr .92fr .92fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .card{
      position:relative;
      background:linear-gradient(180deg, rgba(20,28,41,.98), rgba(15,20,30,.98));
      border:1px solid rgba(168,186,205,.12);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease), background-color .24s var(--ease);
    }
    .card:hover,
    .card:focus-within{
      transform:translateY(-3px);
      border-color:rgba(24,212,193,.32);
      box-shadow:0 20px 40px rgba(0,0,0,.28);
    }
    .card-media{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      border-bottom:1px solid rgba(168,186,205,.1);
    }
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s var(--ease), filter .55s var(--ease);
      filter:saturate(1.03) contrast(1.03);
    }
    .card:hover .card-media img,
    .card:focus-within .card-media img{
      transform:scale(1.04);
    }
    .card-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:.78rem;
      font-weight:800;
      letter-spacing:.02em;
      border:1px solid rgba(168,186,205,.14);
      color:#dce7f1;
      background:rgba(255,255,255,.04);
      white-space:nowrap;
    }
    .badge.hot{
      color:#ffd9d8;
      border-color:rgba(255,90,85,.24);
      background:var(--warn-soft);
    }
    .badge.accent{
      color:var(--accent-2);
      border-color:rgba(24,212,193,.26);
      background:var(--accent-soft);
    }
    .card-title{
      margin:0;
      font-size:1.14rem;
      line-height:1.35;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .card-text{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.96rem;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted-2);
      font-size:.86rem;
      align-items:center;
    }
    .meta-row span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .meta-row span::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:rgba(24,212,193,.75);
      box-shadow:0 0 0 4px rgba(24,212,193,.08);
    }
    .card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:auto;
      padding-top:2px;
    }
    .card-actions .btn{
      min-height:42px;
      padding:0 14px;
      font-size:.92rem;
    }
    .feature-main{
      grid-column:span 2;
    }
    .feature-main .card-body{
      padding:20px;
    }
    .feature-list{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      justify-content:space-between;
    }
    .feature-list h3{
      margin:0;
      font-size:1.1rem;
      font-weight:900;
    }
    .feature-list ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .feature-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--muted);
      line-height:1.7;
      font-size:.95rem;
    }
    .feature-list li::before{
      content:"";
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:50%;
      flex:none;
      background:linear-gradient(180deg, var(--accent-2), var(--accent));
      box-shadow:0 0 0 5px rgba(24,212,193,.08);
    }
    .feature-list .btn{
      width:100%;
      margin-top:6px;
    }
    .dual-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:130px minmax(0,1fr);
      gap:14px;
      align-items:start;
      padding:16px 18px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(19,26,38,.96), rgba(15,21,31,.96));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
    }
    .timeline-stage{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .timeline-stage strong{
      font-size:1rem;
      font-weight:900;
    }
    .timeline-stage em{
      font-style:normal;
      font-size:.86rem;
      color:var(--muted);
    }
    .timeline-body{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .timeline-body p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .timeline-tag{
      display:inline-flex;
      width:max-content;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(24,212,193,.12);
      color:var(--accent-2);
      border:1px solid rgba(24,212,193,.18);
      font-size:.78rem;
      font-weight:800;
      letter-spacing:.02em;
    }
    .side-panel{
      display:grid;
      gap:16px;
    }
    .info-card{
      padding:20px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(19,26,38,.96), rgba(15,21,31,.96));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:1.12rem;
      font-weight:900;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dce5ef;
      line-height:1.7;
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:50%;
      display:inline-grid;
      place-items:center;
      background:rgba(24,212,193,.14);
      border:1px solid rgba(24,212,193,.24);
      color:var(--accent-2);
      font-size:.8rem;
      flex:none;
      margin-top:2px;
    }
    .search-grid{
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:18px;
      align-items:stretch;
    }
    .search-card{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(19,26,38,.96), rgba(15,21,31,.96));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
    }
    .search-card h3{
      margin:0 0 10px;
      font-size:1.18rem;
      font-weight:900;
    }
    .search-card p{
      margin:0 0 16px;
      color:var(--muted);
      line-height:1.8;
    }
    .search-form{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .search-form input{
      flex:1 1 280px;
      min-width:0;
      height:50px;
      border-radius:16px;
      border:1px solid rgba(168,186,205,.16);
      background:rgba(6,10,14,.55);
      color:var(--text);
      padding:0 16px;
      outline:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease);
    }
    .search-form input::placeholder{
      color:#7f8da0;
    }
    .search-form input:focus{
      border-color:rgba(24,212,193,.4);
      box-shadow:0 0 0 4px rgba(24,212,193,.08);
      background:rgba(8,12,17,.76);
    }
    .search-form .btn{
      min-width:132px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(168,186,205,.12);
      color:#dbe5ef;
      font-size:.9rem;
    }
    .tag-cloud a:hover,
    .tag-cloud a:focus-visible{
      color:var(--text);
      border-color:rgba(24,212,193,.34);
      background:rgba(24,212,193,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .aside-card{
      padding:22px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(21,31,47,.98), rgba(13,18,27,.98));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
    }
    .aside-card h3{
      margin:0 0 10px;
      font-size:1.12rem;
      font-weight:900;
    }
    .aside-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .aside-card .badge-row{
      margin-top:14px;
    }
    .rules-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .rules-card{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(19,26,38,.96), rgba(15,21,31,.96));
      border:1px solid rgba(168,186,205,.12);
      box-shadow:var(--shadow-soft);
    }
    .rules-card h3{
      margin:0 0 12px;
      font-size:1.18rem;
      font-weight:900;
    }
    .rules-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .rules-card .cover-strip{
      margin-top:18px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(168,186,205,.12);
      aspect-ratio:16/8;
    }
    .rules-card .cover-strip img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(168,186,205,.12);
      background:linear-gradient(180deg, rgba(19,26,38,.96), rgba(15,21,31,.96));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(24,212,193,.28);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:900;
      font-size:1rem;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(168,186,205,.12);
      color:var(--accent-2);
      flex:none;
      transition:transform .22s var(--ease), background-color .22s var(--ease);
    }
    details[open] summary::after{
      content:"–";
      background:rgba(24,212,193,.12);
      transform:rotate(180deg);
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.82;
    }
    .faq-body p{
      margin:0;
    }
    .cta{
      padding:20px 0 90px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:28px;
      border-radius:28px;
      border:1px solid rgba(24,212,193,.22);
      background:
        linear-gradient(135deg, rgba(24,212,193,.12), rgba(10,14,19,.84) 52%, rgba(255,90,85,.08)),
        linear-gradient(180deg, rgba(18,25,38,.98), rgba(14,19,28,.98));
      box-shadow:var(--shadow);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-120px;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(24,212,193,.16), transparent 68%);
      pointer-events:none;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-panel h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem, 3vw, 2.4rem);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .cta-panel p{
      margin:0;
      color:#d8e2eb;
      line-height:1.85;
      max-width:70ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .site-footer{
      position:relative;
      z-index:1;
      padding:34px 0 38px;
      border-top:1px solid rgba(168,186,205,.12);
      background:rgba(8,12,17,.78);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:20px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand .brand-name{
      white-space:normal;
      line-height:1.25;
    }
    .footer-note{
      color:var(--muted);
      margin:0;
      line-height:1.85;
      max-width:44ch;
    }
    .footer-title{
      margin:0 0 12px;
      font-size:.98rem;
      font-weight:900;
      color:#e7eef6;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      width:max-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--text);
      outline:none;
    }
    .footer-bottom{
      margin-top:26px;
      padding-top:18px;
      border-top:1px solid rgba(168,186,205,.12);
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:space-between;
      color:var(--muted-2);
      font-size:.9rem;
      line-height:1.7;
    }
    .footer-bottom a{
      color:var(--muted);
    }
    .footer-bottom a:hover,
    .footer-bottom a:focus-visible{
      color:var(--text);
      outline:none;
    }
    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }
    @media (max-width: 1200px){
      .feature-grid{
        grid-template-columns:1fr 1fr;
      }
      .feature-main{
        grid-column:span 2;
      }
      .stats-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .dual-grid,
      .search-grid,
      .rules-grid,
      .footer-grid,
      .cta-grid{
        grid-template-columns:1fr;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media (max-width: 920px){
      .hero-grid{
        grid-template-columns:1fr;
      }
      .panel-grid{
        grid-template-columns:1fr 1fr 1fr;
      }
      .timeline-item{
        grid-template-columns:1fr;
      }
      .nav-wrap{
        align-items:flex-start;
        padding-top:14px;
        padding-bottom:14px;
      }
      .site-nav{
        width:100%;
        justify-content:flex-start;
        order:3;
      }
      .nav-cta{
        margin-left:auto;
      }
    }
    @media (max-width: 760px){
      .hero{
        padding:72px 0 38px;
      }
      .hero h1{
        max-width:12ch;
      }
      .panel-grid{
        grid-template-columns:1fr;
      }
      .feature-grid{
        grid-template-columns:1fr;
      }
      .feature-main{
        grid-column:auto;
      }
      .stats-grid{
        grid-template-columns:1fr;
      }
      .nav-wrap{
        gap:12px;
      }
      .site-nav{
        gap:8px;
      }
      .nav-link,
      .nav-cta{
        min-height:40px;
        height:auto;
      }
      .card-actions .btn,
      .hero-actions .btn,
      .cta-actions .btn,
      .search-form .btn{
        width:100%;
      }
      .search-form input,
      .search-form .btn{
        flex:1 1 100%;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .brand-badge{
        width:40px;
        height:40px;
        border-radius:13px;
      }
      .brand-name{
        font-size:.98rem;
      }
      .brand-sub{
        font-size:.78rem;
      }
      .nav-link{
        padding:0 12px;
      }
      .hero{
        padding-top:64px;
      }
      .hero h1{
        font-size:2rem;
      }
      .hero-lead,
      .section-desc,
      .card-text,
      .footer-note,
      .info-card p,
      .search-card p,
      .rules-card p{
        font-size:.94rem;
      }
      .card-body,
      .search-card,
      .rules-card,
      .info-card,
      .aside-card,
      .cta-panel{
        padding:18px;
      }
      .cta{
        padding-bottom:72px;
      }
      summary{
        padding:16px;
      }
      .faq-body{
        padding:0 16px 16px;
      }
      .timeline-item{
        padding:14px;
      }
    }
    @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:#0b0f14;
      --bg-soft:#111720;
      --panel:#121a24;
      --panel-2:#0f151d;
      --text:#eef3f8;
      --muted:#97a6b8;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(255,255,255,.16);
      --accent:#31d0b2;
      --accent-2:#00c2ff;
      --accent-3:#ff5a5f;
      --silver:#d6dde5;
      --shadow:0 18px 50px rgba(0,0,0,.34);
      --shadow-soft:0 10px 28px rgba(0,0,0,.22);
      --r-xl:22px;
      --r-lg:18px;
      --r-md:14px;
      --r-sm:10px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --header-h:82px;
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(1000px 700px at 10% -10%, rgba(49,208,178,.12), transparent 46%),
        radial-gradient(900px 500px at 100% 0%, rgba(0,194,255,.10), transparent 40%),
        linear-gradient(180deg, #0a0e13 0%, #0d1218 40%, #0a0d12 100%);
      color:var(--text);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      background:
        linear-gradient(115deg, transparent 0 47%, rgba(255,255,255,.03) 48%, transparent 49%),
        linear-gradient(115deg, transparent 0 71%, rgba(49,208,178,.04) 72%, transparent 74%);
      pointer-events:none;
      opacity:.45;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(49,208,178,.28);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(8,12,17,.76);
      border-bottom:1px solid rgba(255,255,255,.06);
      transition:all .25s ease;
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-badge{
      width:44px;height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(145deg, rgba(49,208,178,.22), rgba(0,194,255,.10)),
        rgba(255,255,255,.04);
      border:1px solid rgba(49,208,178,.34);
      box-shadow:0 10px 24px rgba(49,208,178,.08);
      flex:0 0 auto;
    }
    .brand-badge svg{width:22px;height:22px;fill:var(--text)}
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-name{
      font-size:1.02rem;
      line-height:1.2;
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
      margin-top:2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
      flex-wrap:wrap;
    }
    .nav-link{
      padding:10px 14px;
      border-radius:999px;
      color:#c9d5e1;
      font-size:.92rem;
      border:1px solid transparent;
      transition:all .22s ease;
      position:relative;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      border-color:rgba(49,208,178,.26);
      background:rgba(255,255,255,.04);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#071014;
      background:linear-gradient(135deg, var(--accent), #80f7de);
      border-color:transparent;
      box-shadow:0 12px 28px rgba(49,208,178,.18);
      font-weight:700;
    }
    .nav-cta{
      margin-left:6px;
      padding:11px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      color:#eff7fb;
      font-weight:700;
      transition:all .22s ease;
      white-space:nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus-visible{
      border-color:rgba(49,208,178,.36);
      background:rgba(49,208,178,.12);
      transform:translateY(-1px);
      outline:none;
    }
    main{position:relative;z-index:1}
    .category-hero{
      margin:22px 0 18px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      overflow:hidden;
      box-shadow:var(--shadow);
      background:
        linear-gradient(135deg, rgba(9,13,18,.84), rgba(9,13,18,.54)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .hero-inner{
      padding:28px;
      display:grid;
      grid-template-columns:minmax(0,1.55fr) minmax(300px,.95fr);
      gap:24px;
      align-items:stretch;
      position:relative;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:16px;
      color:#c8d3de;
      font-size:.88rem;
    }
    .breadcrumb a{color:#c8d3de}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb .sep{opacity:.42}
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:300px;
      padding:4px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(49,208,178,.12);
      border:1px solid rgba(49,208,178,.22);
      color:#bff9ec;
      font-size:.88rem;
      letter-spacing:.04em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(49,208,178,.12);
    }
    .hero-title{
      margin:16px 0 12px;
      font-size:clamp(2rem, 3.8vw, 3.8rem);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:900;
      max-width:12.5em;
    }
    .hero-title .accent{
      color:#89ffea;
      text-shadow:0 0 18px rgba(49,208,178,.14);
    }
    .hero-text{
      margin:0;
      max-width:62ch;
      color:#d7e1ea;
      font-size:1rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:all .22s ease;
      font-weight:700;
      letter-spacing:.01em;
      box-shadow:none;
      user-select:none;
    }
    .btn:focus-visible{outline:2px solid rgba(49,208,178,.45);outline-offset:2px}
    .btn-primary{
      color:#071014;
      background:linear-gradient(135deg, var(--accent), #7df2dc);
      box-shadow:0 14px 24px rgba(49,208,178,.16);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.04)}
    .btn-secondary{
      color:#edf5fa;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.12);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(49,208,178,.34);
      background:rgba(49,208,178,.10);
    }
    .btn-ghost{
      color:#cfe2ee;
      background:transparent;
      border-color:rgba(255,255,255,.12);
    }
    .btn-ghost:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.18);
    }
    .hero-panel{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .panel-card{
      position:relative;
      border-radius:22px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(18,26,36,.92), rgba(13,18,25,.94));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .panel-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(125deg, transparent 0 50%, rgba(49,208,178,.06) 70%, transparent 100%);
      pointer-events:none;
    }
    .panel-top{
      padding:18px 18px 12px;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .panel-title{
      margin:0;
      font-size:.92rem;
      color:#e6eef5;
      font-weight:800;
    }
    .panel-sub{
      margin:4px 0 0;
      color:var(--muted);
      font-size:.82rem;
    }
    .panel-chip{
      flex:0 0 auto;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      color:#dbe7f2;
      font-size:.78rem;
      white-space:nowrap;
    }
    .hero-stats{
      padding:16px 18px 18px;
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .stat-card{
      padding:14px 14px 13px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
      transition:all .22s ease;
    }
    .stat-card:hover{
      transform:translateY(-2px);
      border-color:rgba(49,208,178,.28);
      background:rgba(49,208,178,.08);
    }
    .stat-label{
      display:block;
      font-size:.8rem;
      color:var(--muted);
      margin-bottom:8px;
    }
    .stat-value{
      display:block;
      font-size:1.15rem;
      line-height:1.15;
      font-weight:900;
      color:#f2f7fb;
      font-variant-numeric:tabular-nums;
    }
    .stat-note{
      display:block;
      margin-top:8px;
      font-size:.82rem;
      color:#c9d6e1;
      line-height:1.55;
    }
    .toolbar{
      margin:0 0 18px;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(17,23,32,.92), rgba(12,17,24,.92));
      box-shadow:var(--shadow-soft);
    }
    .toolbar-row{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      flex-wrap:wrap;
    }
    .filter-wrap{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      min-width:0;
    }
    .filter-pill{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:#d6e1ea;
      padding:9px 14px;
      border-radius:999px;
      font-size:.9rem;
      transition:all .22s ease;
      cursor:pointer;
    }
    .filter-pill:hover,
    .filter-pill:focus-visible{
      outline:none;
      transform:translateY(-1px);
      border-color:rgba(49,208,178,.28);
      background:rgba(49,208,178,.10);
      color:#fff;
    }
    .filter-pill.active{
      background:linear-gradient(135deg, rgba(49,208,178,.96), rgba(125,242,220,.94));
      color:#071014;
      border-color:transparent;
      font-weight:800;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      width:min(360px, 100%);
      flex:0 0 auto;
      margin-left:auto;
    }
    .search-box input{
      width:100%;
      min-height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:#eff6fb;
      padding:0 14px;
      transition:all .22s ease;
    }
    .search-box input::placeholder{color:#8ea0b1}
    .search-box input:focus{
      outline:none;
      border-color:rgba(49,208,178,.36);
      box-shadow:0 0 0 4px rgba(49,208,178,.10);
    }
    .search-box .btn{
      flex:0 0 auto;
      min-width:104px;
    }
    .layout{
      display:grid;
      grid-template-columns:minmax(0,1.6fr) minmax(280px,.74fr);
      gap:var(--gap);
      align-items:start;
    }
    .content-stack{
      display:grid;
      gap:var(--gap);
      min-width:0;
    }
    .section{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(16,23,31,.92), rgba(12,16,22,.94));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:14px;
      padding:20px 20px 0;
      flex-wrap:wrap;
    }
    .section-title{
      margin:0;
      font-size:1.25rem;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.94rem;
      max-width:62ch;
    }
    .section-head .mini{
      color:#cfe1ec;
      font-size:.88rem;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
    }
    .feature{
      padding:20px;
    }
    .feature-card{
      display:grid;
      grid-template-columns:minmax(260px,.95fr) minmax(0,1.05fr);
      gap:18px;
      border-radius:22px;
      overflow:hidden;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      transition:all .22s ease;
    }
    .feature-card:hover{
      transform:translateY(-2px);
      border-color:rgba(49,208,178,.26);
      box-shadow:0 18px 34px rgba(0,0,0,.24);
    }
    .feature-media{
      position:relative;
      min-height:100%;
      overflow:hidden;
      background:#0c1016;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      aspect-ratio:1.1/1;
      transform:scale(1.01);
    }
    .img-overlay{
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(8,12,17,.08) 0%, rgba(8,12,17,.68) 100%),
        linear-gradient(115deg, transparent 0 48%, rgba(49,208,178,.16) 49%, transparent 50%);
      pointer-events:none;
    }
    .feature-body{
      padding:20px 20px 18px 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-width:0;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dce8f2;
      font-size:.8rem;
      white-space:nowrap;
    }
    .tag.accent{
      background:rgba(49,208,178,.12);
      border-color:rgba(49,208,178,.22);
      color:#bff9ec;
    }
    .tag.red{
      background:rgba(255,90,95,.10);
      border-color:rgba(255,90,95,.18);
      color:#ffc4c6;
    }
    .card-title{
      margin:0 0 10px;
      font-size:1.44rem;
      line-height:1.22;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .card-text{
      margin:0;
      color:#d4dfeb;
      font-size:.96rem;
      line-height:1.8;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
      color:#a9b9c9;
      font-size:.86rem;
    }
    .card-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .card-grid{
      padding:0 20px 20px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .content-card{
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      transition:all .22s ease;
      min-width:0;
      display:flex;
      flex-direction:column;
    }
    .content-card:hover{
      transform:translateY(-3px);
      border-color:rgba(49,208,178,.24);
      box-shadow:0 14px 30px rgba(0,0,0,.22);
    }
    .content-card .card-image{
      position:relative;
      overflow:hidden;
      background:#0c1016;
      aspect-ratio:16/10;
    }
    .content-card .card-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .4s ease;
    }
    .content-card:hover .card-image img{transform:scale(1.04)}
    .content-card .card-body{
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .content-card .card-title{
      font-size:1.02rem;
      margin:0;
    }
    .content-card .card-text{
      font-size:.92rem;
      line-height:1.72;
      color:#cfdbe7;
    }
    .content-card .card-meta{
      margin-top:auto;
      padding-top:6px;
    }
    .outline-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      color:#ecf5fa;
      background:rgba(255,255,255,.03);
      transition:all .22s ease;
      font-size:.9rem;
      font-weight:700;
    }
    .outline-btn:hover,
    .outline-btn:focus-visible{
      outline:none;
      border-color:rgba(49,208,178,.32);
      background:rgba(49,208,178,.10);
      transform:translateY(-1px);
    }
    .primary-link{
      color:#9ef3df;
      font-weight:700;
    }
    .primary-link:hover{color:#ffffff}
    .timeline{
      padding:0 20px 20px;
      display:grid;
      gap:12px;
    }
    .stage-row{
      display:grid;
      grid-template-columns:120px minmax(0,1fr) auto;
      gap:14px;
      align-items:center;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      transition:all .22s ease;
    }
    .stage-row:hover{
      transform:translateY(-2px);
      border-color:rgba(49,208,178,.22);
      background:rgba(49,208,178,.06);
    }
    .stage-name{
      font-weight:900;
      letter-spacing:.01em;
    }
    .stage-desc{
      color:#cfdae5;
      font-size:.92rem;
    }
    .stage-note{
      color:#a7b5c4;
      font-size:.84rem;
      white-space:nowrap;
    }
    .rules-grid{
      padding:0 20px 20px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
    }
    .rule-card{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
    }
    .rule-card h4{
      margin:0 0 8px;
      font-size:1rem;
      font-weight:900;
    }
    .rule-card p{
      margin:0;
      color:#cfdbe7;
      font-size:.92rem;
      line-height:1.72;
    }
    .sidebar{
      display:grid;
      gap:var(--gap);
      min-width:0;
      position:sticky;
      top:96px;
    }
    .side-card{
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(17,23,31,.92), rgba(12,16,21,.95));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .side-head{
      padding:18px 18px 0;
    }
    .side-head h3{
      margin:0;
      font-size:1.05rem;
      font-weight:900;
    }
    .side-head p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.92rem;
    }
    .tag-cloud{
      padding:16px 18px 18px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud .tag{
      background:rgba(255,255,255,.04);
    }
    .side-list{
      padding:12px 18px 18px;
      display:grid;
      gap:12px;
    }
    .side-list a,
    .side-list .item{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      transition:all .22s ease;
    }
    .side-list a:hover{
      transform:translateY(-2px);
      border-color:rgba(49,208,178,.24);
      background:rgba(49,208,178,.07);
    }
    .side-list strong{
      display:block;
      font-size:.93rem;
      margin-bottom:4px;
    }
    .side-list span{
      display:block;
      color:var(--muted);
      font-size:.82rem;
      line-height:1.55;
    }
    .side-list em{
      font-style:normal;
      color:#bfeee3;
      font-size:.8rem;
      white-space:nowrap;
    }
    .risk{
      padding:0 18px 18px;
    }
    .risk-box{
      padding:16px;
      border-radius:16px;
      border:1px solid rgba(255,90,95,.18);
      background:linear-gradient(180deg, rgba(255,90,95,.08), rgba(255,255,255,.03));
      color:#ffd9db;
      font-size:.92rem;
      line-height:1.75;
    }
    .pager{
      padding:0 20px 20px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .page-btn{
      min-width:42px;
      height:42px;
      padding:0 14px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:#deebf5;
      transition:all .22s ease;
    }
    .page-btn:hover,
    .page-btn:focus-visible{
      outline:none;
      transform:translateY(-1px);
      border-color:rgba(49,208,178,.25);
      background:rgba(49,208,178,.10);
    }
    .page-btn.active{
      background:linear-gradient(135deg, var(--accent), #7cf1dc);
      color:#071014;
      font-weight:800;
      border-color:transparent;
    }
    .faq-list{
      padding:0 20px 20px;
      display:grid;
      gap:12px;
    }
    .faq-list details{
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
      transition:all .22s ease;
    }
    .faq-list details[open]{
      border-color:rgba(49,208,178,.22);
      background:rgba(49,208,178,.06);
    }
    .faq-list summary{
      list-style:none;
      cursor:pointer;
      padding:15px 16px;
      font-weight:800;
      color:#f2f7fb;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
    }
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary::after{
      content:"+";
      width:28px;height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#d8e5ef;
      border:1px solid rgba(255,255,255,.10);
      flex:0 0 auto;
      transition:transform .22s ease;
    }
    .faq-list details[open] summary::after{
      content:"−";
      transform:rotate(0deg);
      color:#9ef3df;
      border-color:rgba(49,208,178,.22);
    }
    .faq-list .answer{
      padding:0 16px 16px;
      color:#cfdbe7;
      font-size:.93rem;
      line-height:1.78;
    }
    .cta-block{
      padding:20px;
      display:grid;
      gap:18px;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      background:
        linear-gradient(125deg, rgba(49,208,178,.12), rgba(0,194,255,.05)),
        rgba(255,255,255,.03);
      border-top:1px solid rgba(255,255,255,.08);
    }
    .cta-block h3{
      margin:0 0 8px;
      font-size:1.34rem;
      font-weight:900;
    }
    .cta-block p{
      margin:0;
      color:#d0dce7;
      font-size:.95rem;
      line-height:1.76;
      max-width:68ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .site-footer{
      margin-top:28px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(9,13,18,.90), rgba(6,9,12,.98));
      position:relative;
      z-index:1;
    }
    .site-footer .container{padding:28px 0 18px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .9fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand .brand{margin-bottom:14px}
    .footer-note{
      margin:0;
      color:#b7c4d1;
      font-size:.93rem;
      line-height:1.8;
      max-width:46ch;
    }
    .footer-title{
      margin:8px 0 14px;
      font-weight:900;
      font-size:.95rem;
      color:#eff7fb;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#c8d5e0;
      transition:color .22s ease, transform .22s ease;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      color:#8f9dad;
      font-size:.84rem;
      line-height:1.65;
    }
    .mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

    @media (max-width: 1120px){
      .layout{grid-template-columns:1fr}
      .sidebar{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 920px){
      .hero-inner{grid-template-columns:1fr}
      .hero-copy{min-height:unset}
      .feature-card{grid-template-columns:1fr}
      .feature-body{padding:0 18px 18px}
      .card-grid{grid-template-columns:1fr 1fr}
      .rules-grid{grid-template-columns:1fr 1fr}
      .search-box{width:100%;margin-left:0}
      .toolbar-row{align-items:stretch}
      .site-nav{display:none}
      .nav-wrap{justify-content:space-between}
    }
    @media (max-width: 760px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero-inner{padding:18px}
      .category-hero{border-radius:22px}
      .toolbar,.section,.side-card{border-radius:20px}
      .card-grid{grid-template-columns:1fr}
      .rules-grid{grid-template-columns:1fr}
      .hero-stats{grid-template-columns:1fr 1fr}
      .stage-row{grid-template-columns:1fr;gap:8px}
      .stage-note{white-space:normal}
      .cta-block,.footer-grid{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width: 520px){
      .nav-wrap{min-height:72px;padding:10px 0}
      .brand-badge{width:40px;height:40px;border-radius:12px}
      .brand-name{font-size:.96rem}
      .brand-sub{font-size:.76rem}
      .hero-title{font-size:clamp(1.7rem, 8vw, 2.4rem)}
      .hero-text,.section-desc,.card-text,.panel-sub,.footer-note,.faq-list .answer{font-size:.92rem}
      .hero-stats{grid-template-columns:1fr}
      .toolbar{padding:14px}
      .filter-wrap{overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
      .filter-wrap::-webkit-scrollbar{display:none}
      .filter-pill{white-space:nowrap}
      .search-box{flex-direction:column;align-items:stretch}
      .search-box .btn{width:100%}
      .card-title{font-size:1.08rem}
      .cta-block{padding:18px}
      .cta-actions .btn,.hero-actions .btn{width:100%}
      .hero-actions,.card-actions{width:100%}
      .hero-actions .btn,.card-actions .btn{flex:1 1 100%}
    }