/* roulang page: index */
:root{
      --bg:#120b12;
      --bg-2:#171017;
      --bg-3:#1d131d;
      --panel:#201620;
      --panel-2:#261a27;
      --panel-3:#2c1f2d;
      --text:#f5ede8;
      --muted:#c1b2bc;
      --soft:#8f7e8a;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,255,255,.16);
      --primary:#b33b5f;
      --primary-2:#842847;
      --accent:#d7b06d;
      --accent-2:#b58751;
      --good:#72c49f;
      --shadow:0 22px 60px rgba(0,0,0,.30);
      --shadow-soft:0 14px 36px rgba(0,0,0,.20);
      --radius:22px;
      --radius-sm:16px;
      --radius-xs:12px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --gap-xs:10px;
      --header-h:80px;
      --ease:cubic-bezier(.2,.7,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.65;
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(179,59,95,.24), transparent 55%),
        radial-gradient(900px 500px at 92% 8%, rgba(215,176,109,.12), transparent 48%),
        radial-gradient(800px 460px at 50% 100%, rgba(124,41,70,.16), transparent 55%),
        linear-gradient(180deg, #130b13 0%, #0e090f 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:24px 24px;
      opacity:.20;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.22), rgba(0,0,0,0));
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    input,select,textarea,button{
      outline:none;
    }
    ::selection{
      background:rgba(179,59,95,.35);
      color:#fff;
    }
    .sr-only{
      position:absolute!important;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      background:linear-gradient(180deg, rgba(18,11,18,.92), rgba(18,11,18,.82));
      border-bottom:1px solid rgba(255,255,255,.06);
      box-shadow:0 10px 30px rgba(0,0,0,.12);
    }
    .top-strip{
      border-bottom:1px solid rgba(255,255,255,.06);
      background:linear-gradient(90deg, rgba(179,59,95,.12), rgba(215,176,109,.06));
    }
    .top-strip .inner{
      min-height:34px;
      display:flex;
      align-items:center;
      gap:12px;
      justify-content:space-between;
      color:var(--muted);
      font-size:12px;
      letter-spacing:.2px;
      padding:7px 0;
    }
    .notice{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .notice strong{
      color:var(--text);
      font-weight:700;
    }
    .dot{
      width:6px;height:6px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(215,176,109,.10);
      flex:0 0 auto;
    }
    .nav-row{
      min-height:calc(var(--header-h) - 34px);
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
      line-height:1.05;
    }
    .brand span,
    .brand strong{
      display:block;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand span{
      font-size:14px;
      color:var(--accent);
      letter-spacing:.18em;
      text-transform:none;
    }
    .brand strong{
      font-size:18px;
      font-weight:800;
      color:var(--text);
      letter-spacing:.02em;
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      box-shadow:0 10px 22px rgba(0,0,0,.16);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(179,59,95,.22), rgba(132,40,71,.18));
      border-color:rgba(179,59,95,.32);
      box-shadow:0 12px 24px rgba(179,59,95,.10);
    }
    .site-search{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:min(320px, 100%);
    }
    .search-box{
      position:relative;
      flex:1;
      min-width:220px;
    }
    .search-box input{
      width:100%;
      min-height:44px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      padding:0 48px 0 18px;
      transition:border-color .22s var(--ease), background-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .search-box input::placeholder{color:#9a8b95}
    .search-box input:hover{
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.14);
    }
    .search-box input:focus{
      border-color:rgba(215,176,109,.50);
      box-shadow:0 0 0 4px rgba(215,176,109,.12);
      background:rgba(255,255,255,.06);
    }
    .search-ico{
      position:absolute;
      right:10px;
      top:50%;
      transform:translateY(-50%);
      width:32px;height:32px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(215,176,109,.10);
      pointer-events:none;
    }
    .search-btn{
      min-height:44px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid rgba(215,176,109,.28);
      background:linear-gradient(180deg, rgba(215,176,109,.16), rgba(215,176,109,.10));
      color:#f9e8c6;
      cursor:pointer;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
      white-space:nowrap;
    }
    .search-btn:hover,
    .search-btn:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.45);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .search-btn:active{
      transform:translateY(0);
    }

    .mobile-menu{
      display:none;
      grid-column:1 / -1;
      margin-top:2px;
    }
    .mobile-menu summary{
      list-style:none;
      user-select:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-height:44px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      cursor:pointer;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
    }
    .mobile-menu summary::-webkit-details-marker{display:none}
    .mobile-menu summary:hover,
    .mobile-menu summary:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(255,255,255,.16);
    }
    .mobile-panel{
      margin-top:12px;
      padding:14px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(34,24,34,.96), rgba(22,15,22,.96));
      box-shadow:var(--shadow-soft);
    }
    .mobile-panel .mobile-links{
      display:grid;
      gap:8px;
      margin-bottom:12px;
    }
    .mobile-panel .nav-link{
      justify-content:flex-start;
      width:100%;
      padding:0 14px;
      background:rgba(255,255,255,.03);
    }
    .mobile-panel .site-search{
      min-width:0;
      width:100%;
      flex-direction:column;
      align-items:stretch;
    }
    .mobile-panel .search-btn{
      width:100%;
    }

    .hero{
      padding:22px 0 10px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      background:
        linear-gradient(135deg, rgba(12,9,12,.88), rgba(32,18,28,.70)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(800px 300px at 16% 20%, rgba(179,59,95,.26), transparent 58%),
        radial-gradient(500px 260px at 90% 18%, rgba(215,176,109,.18), transparent 46%),
        linear-gradient(180deg, rgba(10,7,10,.08), rgba(10,7,10,.40));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
      min-width:0;
    }
    .hero-kicker{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:13px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      font-size:12px;
      letter-spacing:.02em;
    }
    .badge.badge-warm{
      background:rgba(215,176,109,.12);
      border-color:rgba(215,176,109,.24);
      color:#f3dfb0;
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px, 5vw, 58px);
      line-height:1.05;
      letter-spacing:-.02em;
      font-weight:800;
      max-width:12ch;
    }
    .hero h1 .accent{
      color:var(--accent);
      text-shadow:0 10px 30px rgba(215,176,109,.12);
    }
    .hero p{
      margin:0;
      max-width:62ch;
      color:#e3d7dd;
      font-size:16px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:4px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), color .22s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 16px 28px rgba(0,0,0,.20);
    }
    .btn:active{transform:translateY(0)}
    .btn-primary{
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      color:#fff;
      border-color:rgba(255,255,255,.04);
      box-shadow:0 14px 28px rgba(179,59,95,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      border-color:rgba(255,255,255,.08);
      box-shadow:0 18px 30px rgba(179,59,95,.24);
    }
    .btn-secondary{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.10);
      color:var(--text);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
    }
    .hero-meta{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .stat{
      min-width:132px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      box-shadow:0 10px 24px rgba(0,0,0,.12);
    }
    .stat strong{
      display:block;
      font-size:22px;
      line-height:1.15;
      font-weight:800;
      color:#fff;
      letter-spacing:-.02em;
    }
    .stat span{
      display:block;
      margin-top:4px;
      font-size:12px;
      color:var(--muted);
    }
    .hero-visual{
      display:grid;
      grid-template-rows:minmax(290px,1fr) auto;
      gap:14px;
      min-width:0;
    }
    .visual-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(34,23,34,.92), rgba(24,16,24,.96));
      box-shadow:var(--shadow-soft);
      min-height:100%;
    }
    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
      transition:transform .55s var(--ease);
    }
    .visual-card:hover img{
      transform:scale(1.06);
    }
    .visual-overlay{
      position:absolute;
      inset:auto 0 0 0;
      padding:18px;
      background:linear-gradient(180deg, transparent, rgba(9,7,9,.90));
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .visual-overlay .mini-title{
      font-weight:800;
      font-size:18px;
      line-height:1.2;
    }
    .visual-overlay .mini-text{
      font-size:13px;
      color:var(--muted);
      line-height:1.7;
    }
    .visual-chip{
      position:absolute;
      top:14px;
      left:14px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(18,11,18,.74);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      font-size:12px;
      backdrop-filter:blur(10px);
    }
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-stat{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.04));
    }
    .mini-stat b{
      display:block;
      font-size:18px;
      color:#fff;
      margin-bottom:4px;
    }
    .mini-stat p{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }

    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:22px;
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.01em;
    }
    .section-lead{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      max-width:62ch;
    }

    .featured-grid{
      display:grid;
      grid-template-columns:1.35fr .82fr .82fr;
      gap:18px;
    }
    .content-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(34,23,34,.96), rgba(25,16,25,.96));
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
      min-height:100%;
    }
    .content-card:hover{
      transform:translateY(-3px);
      border-color:rgba(215,176,109,.26);
      box-shadow:0 18px 40px rgba(0,0,0,.28);
    }
    .content-card .thumb{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/10;
      background:#140d14;
    }
    .content-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s var(--ease);
    }
    .content-card:hover .thumb img{
      transform:scale(1.06);
    }
    .corner-badge{
      position:absolute;
      top:14px;
      left:14px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border-radius:999px;
      background:rgba(18,11,18,.80);
      color:#fff;
      border:1px solid rgba(255,255,255,.08);
      font-size:12px;
      backdrop-filter:blur(10px);
    }
    .content-body{
      padding:16px 16px 18px;
      display:grid;
      gap:10px;
    }
    .content-body h3{
      margin:0;
      font-size:18px;
      line-height:1.45;
      font-weight:800;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:2.9em;
    }
    .content-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      min-height:3.45em;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .meta-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--soft);
      font-size:12px;
    }
    .meta-row .sep{
      width:4px;height:4px;border-radius:50%;
      background:rgba(255,255,255,.26);
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#e9dde3;
      border:1px solid rgba(255,255,255,.08);
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#f3dfb0;
      font-size:13px;
      font-weight:700;
      margin-top:2px;
    }

    .tools-grid{
      display:grid;
      gap:16px;
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(31,21,31,.92), rgba(24,16,24,.92));
      box-shadow:var(--shadow-soft);
    }
    .toolbar{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
    }
    .chip-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .chip,
    .chip-button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      transition:transform .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
      cursor:pointer;
      text-decoration:none;
      white-space:nowrap;
    }
    .chip:hover,
    .chip:focus-visible,
    .chip-button:hover,
    .chip-button:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
      color:var(--text);
      box-shadow:0 12px 22px rgba(0,0,0,.14);
    }
    .chip.active,
    .chip-button.active{
      background:linear-gradient(135deg, rgba(179,59,95,.22), rgba(215,176,109,.12));
      border-color:rgba(179,59,95,.30);
      color:#fff;
    }
    .tool-form{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .select{
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      cursor:pointer;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease);
    }
    .select:hover{
      border-color:rgba(255,255,255,.14);
    }
    .select:focus{
      border-color:rgba(215,176,109,.48);
      box-shadow:0 0 0 4px rgba(215,176,109,.12);
    }

    .tag-cloud{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:#efe5eb;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
    }
    .tag:hover,
    .tag:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.24);
      background:rgba(215,176,109,.08);
    }

    .topics-grid{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:18px;
      align-items:stretch;
    }
    .topic-intro,
    .topic-stack{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(31,21,31,.96), rgba(22,15,22,.96));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .topic-intro{
      padding:22px;
      display:grid;
      gap:16px;
      align-content:start;
      background:
        linear-gradient(180deg, rgba(44,31,45,.92), rgba(22,15,22,.98)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      position:relative;
    }
    .topic-intro::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(12,8,12,.10), rgba(12,8,12,.55));
      pointer-events:none;
    }
    .topic-intro > *{position:relative;z-index:1}
    .topic-intro h3{
      margin:0;
      font-size:24px;
      line-height:1.2;
      font-weight:800;
    }
    .topic-intro p{
      margin:0;
      color:#eadfe6;
      font-size:14px;
      line-height:1.9;
    }
    .bullet-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .bullet-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#f0e7eb;
      font-size:14px;
      line-height:1.8;
    }
    .bullet-list li::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      margin-top:.65em;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(215,176,109,.10);
      flex:0 0 auto;
    }
    .topic-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:6px;
    }
    .topic-metrics .mini-stat{
      background:rgba(255,255,255,.05);
    }
    .topic-stack{
      padding:18px;
    }
    .topic-stack-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      height:100%;
    }
    .topic-item{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      min-height:220px;
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
    }
    .topic-item:hover{
      transform:translateY(-2px);
      border-color:rgba(215,176,109,.24);
      box-shadow:0 16px 30px rgba(0,0,0,.18);
    }
    .topic-item.large{
      grid-row:span 2;
      min-height:454px;
    }
    .topic-item img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s var(--ease);
    }
    .topic-item:hover img{
      transform:scale(1.05);
    }
    .topic-cover{
      position:absolute;
      inset:auto 0 0 0;
      padding:16px;
      background:linear-gradient(180deg, transparent, rgba(9,7,9,.92));
    }
    .topic-cover h4{
      margin:0 0 6px;
      font-size:16px;
      line-height:1.35;
      font-weight:800;
    }
    .topic-cover p{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }

    .updates-shell{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(31,21,31,.96), rgba(20,14,20,.96));
      box-shadow:var(--shadow-soft);
      padding:18px;
    }
    .updates-list{
      display:grid;
      gap:14px;
    }
    .update-item{
      border-radius:20px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
    }
    .update-item:hover{
      transform:translateY(-2px);
      border-color:rgba(215,176,109,.24);
      box-shadow:0 16px 30px rgba(0,0,0,.16);
    }
    .update-link{
      display:grid;
      grid-template-columns:150px minmax(0,1fr);
      gap:0;
      min-height:100%;
    }
    .update-thumb{
      position:relative;
      min-height:146px;
      overflow:hidden;
      background:#140d14;
    }
    .update-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s var(--ease);
    }
    .update-item:hover .update-thumb img{
      transform:scale(1.06);
    }
    .update-body{
      padding:16px 16px 16px 18px;
      display:grid;
      gap:10px;
      align-content:start;
    }
    .update-body h3{
      margin:0;
      font-size:18px;
      line-height:1.45;
      font-weight:800;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      font-size:12px;
      color:var(--soft);
    }
    .update-meta .time{
      color:#cbbcc5;
    }
    .read-more{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#f3dfb0;
      font-size:13px;
      font-weight:700;
      margin-top:2px;
    }
    .empty-state{
      display:grid;
      place-items:center;
      min-height:160px;
      border-radius:18px;
      border:1px dashed rgba(255,255,255,.14);
      color:var(--muted);
      background:rgba(255,255,255,.03);
      font-size:14px;
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      transition:background-color .22s var(--ease);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:hover{
      background:rgba(255,255,255,.03);
    }
    .faq-item summary strong{
      display:block;
      font-size:16px;
      line-height:1.5;
      font-weight:800;
    }
    .faq-item summary span{
      flex:0 0 auto;
      width:30px;height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.05);
      color:var(--accent);
      transition:transform .24s var(--ease), background-color .24s var(--ease);
    }
    .faq-item[open] summary span{
      transform:rotate(45deg);
      background:rgba(215,176,109,.14);
    }
    .faq-body{
      padding:0 18px 18px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }

    .cta-panel{
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(179,59,95,.18), rgba(215,176,109,.10)),
        linear-gradient(180deg, rgba(29,20,29,.96), rgba(18,12,18,.96));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:24px;
      flex-wrap:wrap;
    }
    .cta-copy h2{
      margin:0 0 6px;
      font-size:24px;
      line-height:1.25;
      font-weight:800;
    }
    .cta-copy p{
      margin:0;
      color:#e6dadd;
      font-size:14px;
      line-height:1.8;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      padding:20px 0 34px;
    }
    .footer-panel{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(28,19,28,.96), rgba(20,14,20,.98));
      box-shadow:var(--shadow-soft);
      padding:20px;
      display:grid;
      gap:18px;
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .footer-brand{
      display:grid;
      gap:6px;
      min-width:min(420px,100%);
    }
    .footer-brand .name{
      font-size:18px;
      font-weight:800;
      color:#fff;
    }
    .footer-brand .desc{
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      margin:0;
      max-width:60ch;
    }
    .footer-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      transition:transform .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), background-color .22s var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      transform:translateY(-1px);
      color:var(--text);
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.05);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:12px;
      line-height:1.8;
    }

    .section-slim{
      padding-top:8px;
    }

    @media (max-width: 1120px){
      .hero-inner{
        grid-template-columns:1fr;
      }
      .hero-visual{
        grid-template-rows:auto auto;
      }
      .featured-grid{
        grid-template-columns:1fr 1fr;
      }
      .featured-grid .content-card:first-child{
        grid-column:1 / -1;
      }
      .topics-grid{
        grid-template-columns:1fr;
      }
      .topic-stack-grid{
        grid-template-columns:1fr 1fr;
      }
    }

    @media (max-width: 920px){
      .desktop-nav,
      .site-search{
        display:none;
      }
      .mobile-menu{
        display:block;
      }
      .nav-row{
        grid-template-columns:1fr auto;
      }
      .brand{
        min-width:0;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .toolbar{
        align-items:flex-start;
      }
      .tool-form{
        width:100%;
      }
      .update-link{
        grid-template-columns:130px minmax(0,1fr);
      }
      .footer-top{
        flex-direction:column;
      }
      .footer-links{
        justify-content:flex-start;
      }
    }

    @media (max-width: 720px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .top-strip .inner{
        gap:8px;
        font-size:11px;
      }
      .hero{
        padding-top:16px;
      }
      .hero-panel{
        border-radius:22px;
      }
      .hero-inner{
        padding:22px;
        gap:18px;
      }
      .hero h1{
        max-width:none;
      }
      .hero p{
        font-size:15px;
      }
      .hero-meta{
        gap:10px;
      }
      .stat{
        min-width:calc(50% - 6px);
      }
      .mini-grid{
        grid-template-columns:1fr;
      }
      .featured-grid,
      .topic-stack-grid{
        grid-template-columns:1fr;
      }
      .topic-item.large{
        min-height:260px;
        grid-row:auto;
      }
      .update-link{
        grid-template-columns:1fr;
      }
      .update-thumb{
        aspect-ratio:16/9;
        min-height:0;
      }
      .cta-inner{
        padding:20px;
      }
      .cta-copy h2{
        font-size:22px;
      }
      .section{
        padding:18px 0;
      }
      .section-title{
        font-size:20px;
      }
    }

    @media (max-width: 520px){
      .brand span{
        letter-spacing:.12em;
        font-size:12px;
      }
      .brand strong{
        font-size:16px;
      }
      .hero-inner{
        padding:18px;
      }
      .hero-kicker{
        gap:8px;
      }
      .badge{
        min-height:28px;
        padding:0 10px;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .btn{
        width:100%;
      }
      .stat{
        min-width:100%;
      }
      .tools-grid,
      .updates-shell,
      .topic-intro,
      .topic-stack,
      .footer-panel{
        border-radius:22px;
      }
      .faq-item summary{
        padding:16px;
      }
      .faq-body{
        padding:0 16px 16px 16px;
      }
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,
      *::before,
      *::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
      }
    }

/* roulang page: article */
:root{
      --bg:#120b12;
      --bg-2:#171017;
      --bg-3:#1d131d;
      --panel:#201620;
      --panel-2:#261a27;
      --panel-3:#2c1f2d;
      --text:#f5ede8;
      --muted:#c1b2bc;
      --soft:#8f7e8a;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,255,255,.16);
      --primary:#b33b5f;
      --primary-2:#842847;
      --accent:#d7b06d;
      --accent-2:#b58751;
      --good:#72c49f;
      --shadow:0 22px 60px rgba(0,0,0,.30);
      --shadow-soft:0 14px 36px rgba(0,0,0,.20);
      --radius:22px;
      --radius-sm:16px;
      --radius-xs:12px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --gap-xs:10px;
      --header-h:80px;
      --ease:cubic-bezier(.2,.7,.2,1);
    }
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.7;
      background:
        radial-gradient(1200px 600px at 12% -10%, rgba(179,59,95,.24), transparent 56%),
        radial-gradient(900px 500px at 92% 8%, rgba(215,176,109,.12), transparent 48%),
        radial-gradient(800px 460px at 50% 100%, rgba(124,41,70,.16), transparent 55%),
        linear-gradient(180deg, #130b13 0%, #0e090f 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:24px 24px;
      opacity:.20;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.22), rgba(0,0,0,0));
    }
    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit;color:inherit}
    input,select,textarea,button{outline:none}
    ::selection{background:rgba(215,176,109,.25);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .sr-only{
      position:absolute!important;
      width:1px!important;
      height:1px!important;
      padding:0!important;
      margin:-1px!important;
      overflow:hidden!important;
      clip:rect(0,0,0,0)!important;
      white-space:nowrap!important;
      border:0!important;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      background:linear-gradient(180deg, rgba(18,11,18,.94), rgba(18,11,18,.84));
      border-bottom:1px solid rgba(255,255,255,.06);
      box-shadow:0 10px 30px rgba(0,0,0,.12);
    }
    .top-strip{
      border-bottom:1px solid rgba(255,255,255,.06);
      color:var(--muted);
      font-size:13px;
      letter-spacing:.01em;
    }
    .top-strip .inner{
      min-height:34px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:6px 0;
    }
    .notice{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:#dacfd6;
    }
    .notice strong{
      color:#fff;
      font-weight:700;
    }
    .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(215,176,109,.10);
      flex:0 0 auto;
    }
    .nav-row{
      min-height:calc(var(--header-h) - 34px);
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
      line-height:1.05;
    }
    .brand span,
    .brand strong{
      display:block;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand span{
      font-size:14px;
      color:var(--accent);
      letter-spacing:.18em;
    }
    .brand strong{
      font-size:18px;
      font-weight:800;
      color:var(--text);
      letter-spacing:.02em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      box-shadow:0 10px 22px rgba(0,0,0,.16);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(179,59,95,.22), rgba(132,40,71,.18));
      border-color:rgba(179,59,95,.32);
      box-shadow:0 12px 24px rgba(179,59,95,.10);
    }
    .site-search{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:min(320px, 100%);
    }
    .search-box{
      position:relative;
      flex:1;
      min-width:220px;
    }
    .search-box input{
      width:100%;
      min-height:44px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      padding:0 48px 0 18px;
      transition:border-color .22s var(--ease), background-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .search-box input::placeholder{color:#9a8b95}
    .search-box input:hover{
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.14);
    }
    .search-box input:focus{
      border-color:rgba(215,176,109,.50);
      box-shadow:0 0 0 4px rgba(215,176,109,.12);
      background:rgba(255,255,255,.06);
    }
    .search-ico{
      position:absolute;
      right:10px;
      top:50%;
      transform:translateY(-50%);
      width:32px;height:32px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(215,176,109,.10);
      pointer-events:none;
    }
    .search-btn{
      min-height:44px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid rgba(215,176,109,.28);
      background:linear-gradient(180deg, rgba(215,176,109,.16), rgba(215,176,109,.10));
      color:#f9e8c6;
      cursor:pointer;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
      white-space:nowrap;
    }
    .search-btn:hover,
    .search-btn:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.45);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .search-btn:active{transform:translateY(0)}
    .mobile-menu{
      display:none;
      grid-column:1 / -1;
      margin-top:2px;
    }
    .mobile-menu summary{
      list-style:none;
      user-select:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:44px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      cursor:pointer;
      transition:background-color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
    }
    .mobile-menu summary:hover,
    .mobile-menu summary:focus-visible{
      border-color:rgba(215,176,109,.26);
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
    }
    .mobile-menu summary::-webkit-details-marker{display:none}
    .mobile-panel{
      margin-top:12px;
      padding:14px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(32,22,32,.98), rgba(26,18,26,.96));
      box-shadow:var(--shadow-soft);
    }
    .mobile-links{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .page-main{
      padding:28px 0 56px;
    }
    .article-hero{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:calc(var(--radius) + 4px);
      background:
        linear-gradient(180deg, rgba(17,11,17,.36), rgba(17,11,17,.90)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      padding:26px;
      isolation:isolate;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(800px 380px at 18% 20%, rgba(179,59,95,.18), transparent 56%),
        radial-gradient(700px 360px at 88% 18%, rgba(215,176,109,.10), transparent 52%);
      z-index:-1;
    }
    .article-hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) minmax(290px,.72fr);
      gap:22px;
      align-items:stretch;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      font-size:13px;
      color:var(--muted);
      margin-bottom:14px;
    }
    .crumbs a{
      color:#f3dfd7;
      opacity:.9;
      transition:opacity .22s var(--ease), color .22s var(--ease);
    }
    .crumbs a:hover,
    .crumbs a:focus-visible{opacity:1;color:#fff}
    .crumbs .sep{color:rgba(255,255,255,.24)}
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      padding:6px 12px;
      border-radius:999px;
      border:1px solid rgba(215,176,109,.22);
      background:rgba(215,176,109,.08);
      color:#f5e2bf;
      font-size:13px;
      width:fit-content;
    }
    .hero-kicker .mini-dot{
      width:7px;height:7px;border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 5px rgba(114,196,159,.12);
    }
    .hero-title{
      margin:0;
      font-size:clamp(30px, 4vw, 48px);
      line-height:1.12;
      font-weight:800;
      letter-spacing:.01em;
      text-wrap:balance;
    }
    .hero-title strong{
      color:#fff;
      font-weight:800;
    }
    .hero-desc{
      margin:16px 0 0;
      color:#e8d9df;
      max-width:70ch;
      font-size:16px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .meta-pill,
    .tag-pill,
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      font-size:13px;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease);
    }
    .meta-pill:hover,
    .tag-pill:hover,
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.24);
      background:rgba(255,255,255,.06);
      color:#fff;
    }
    .meta-pill strong,
    .tag-pill strong,
    .chip strong{color:#fff;font-weight:700}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn-solid,
    .btn-ghost,
    .btn-soft{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      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);
      cursor:pointer;
    }
    .btn-solid{
      color:#fff3ea;
      border-color:rgba(179,59,95,.34);
      background:linear-gradient(135deg, rgba(179,59,95,.96), rgba(132,40,71,.92));
      box-shadow:0 16px 28px rgba(179,59,95,.18);
    }
    .btn-solid:hover,
    .btn-solid:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 20px 32px rgba(179,59,95,.22);
      color:#fff;
    }
    .btn-ghost{
      color:#f6e8de;
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.24);
      background:rgba(255,255,255,.06);
      color:#fff;
    }
    .btn-soft{
      color:#f8e7c7;
      border-color:rgba(215,176,109,.22);
      background:rgba(215,176,109,.10);
    }
    .btn-soft:hover,
    .btn-soft:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.34);
      background:rgba(215,176,109,.14);
      color:#fff;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      margin-top:22px;
    }
    .stat-card{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      backdrop-filter:blur(8px);
      box-shadow:0 10px 26px rgba(0,0,0,.14);
    }
    .stat-card strong{
      display:block;
      font-size:24px;
      line-height:1.08;
      color:#fff;
      letter-spacing:.01em;
    }
    .stat-card span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-media{
      display:flex;
      flex-direction:column;
      gap:12px;
      align-self:stretch;
    }
    .poster{
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(36,24,38,.92), rgba(23,15,24,.98));
      box-shadow:var(--shadow-soft);
      height:100%;
      display:flex;
      flex-direction:column;
    }
    .poster-visual{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#1c111b;
    }
    .poster-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s var(--ease);
    }
    .poster:hover .poster-visual img{transform:scale(1.04)}
    .poster-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 0%, rgba(16,10,16,.16) 50%, rgba(16,10,16,.72) 100%);
    }
    .poster-body{
      padding:16px 16px 18px;
      display:grid;
      gap:12px;
    }
    .poster-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .poster-note{
      display:flex;
      flex-direction:column;
      gap:4px;
      color:var(--muted);
      font-size:13px;
    }
    .poster-note strong{
      color:#fff;
      font-size:15px;
    }
    .article-layout{
      margin-top:24px;
      display:grid;
      grid-template-columns:minmax(0,1.55fr) minmax(290px,.85fr);
      gap:24px;
      align-items:start;
    }
    .panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(32,22,32,.96), rgba(24,16,24,.96));
      box-shadow:var(--shadow-soft);
    }
    .content-panel{
      padding:24px;
    }
    .panel-head{
      display:flex;
      flex-wrap:wrap;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .panel-head .title-group{
      min-width:0;
      flex:1;
    }
    .panel-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:#f4dfc5;
      font-size:13px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid rgba(215,176,109,.18);
      background:rgba(215,176,109,.08);
      width:fit-content;
    }
    .panel-title{
      margin:0;
      font-size:clamp(24px, 2.8vw, 34px);
      line-height:1.22;
      font-weight:800;
      text-wrap:balance;
    }
    .panel-subtitle{
      margin:10px 0 0;
      color:var(--muted);
      font-size:15px;
      max-width:70ch;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .article-meta .meta-pill{
      background:rgba(255,255,255,.035);
    }
    .article-body{
      color:#f3e8e4;
      font-size:16px;
      line-height:1.9;
    }
    .article-body :where(h2,h3,h4){
      color:#fff;
      line-height:1.3;
      margin:28px 0 14px;
      font-weight:800;
      scroll-margin-top:110px;
    }
    .article-body h2{font-size:clamp(22px, 2.3vw, 28px)}
    .article-body h3{font-size:clamp(18px, 2vw, 22px)}
    .article-body p{margin:0 0 16px}
    .article-body > p:first-child{margin-top:0}
    .article-body a{
      color:#f2c982;
      border-bottom:1px solid rgba(242,201,130,.28);
      transition:color .22s var(--ease), border-color .22s var(--ease), opacity .22s var(--ease);
    }
    .article-body a:hover,
    .article-body a:focus-visible{
      color:#ffdca0;
      border-bottom-color:rgba(255,220,160,.5);
    }
    .article-body ul,
    .article-body ol{
      padding-left:1.2em;
      margin:0 0 18px;
    }
    .article-body li{margin:8px 0}
    .article-body blockquote{
      margin:22px 0;
      padding:16px 18px;
      border-left:4px solid rgba(215,176,109,.68);
      border-radius:16px;
      background:rgba(215,176,109,.08);
      color:#f8ead3;
      box-shadow:inset 0 0 0 1px rgba(215,176,109,.10);
    }
    .article-body hr{
      margin:26px 0;
      border:0;
      border-top:1px solid rgba(255,255,255,.10);
      opacity:1;
    }
    .article-body img,
    .article-body video,
    .article-body iframe,
    .article-body figure{
      max-width:100%;
      border-radius:18px;
    }
    .article-body img{
      margin:18px 0;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 16px 30px rgba(0,0,0,.18);
    }
    .article-body table{
      width:100%;
      margin:18px 0 22px;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:16px;
      background:rgba(255,255,255,.03);
    }
    .article-body th,
    .article-body td{
      padding:12px 14px;
      border-bottom:1px solid rgba(255,255,255,.07);
      border-right:1px solid rgba(255,255,255,.06);
      text-align:left;
      vertical-align:top;
    }
    .article-body th{
      background:rgba(255,255,255,.05);
      color:#fff;
      font-weight:700;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body tr td:last-child,
    .article-body tr th:last-child{border-right:0}
    .article-body .tip,
    .article-body .note,
    .article-body .warning,
    .article-body .alert{
      margin:18px 0;
      padding:14px 16px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .article-body .warning,
    .article-body .alert{
      border-color:rgba(179,59,95,.20);
      background:rgba(179,59,95,.08);
    }
    .article-cta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .sidebar{
      display:grid;
      gap:18px;
    }
    .side-panel{
      padding:20px;
    }
    .side-title{
      margin:0 0 14px;
      font-size:18px;
      font-weight:800;
      line-height:1.3;
    }
    .info-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .info-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
      color:var(--muted);
    }
    .info-list li:last-child{border-bottom:0;padding-bottom:0}
    .info-list strong{
      color:#fff;
      font-weight:700;
      flex:0 0 auto;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag-cloud a,
    .tag-cloud span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      font-size:13px;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease);
    }
    .tag-cloud a:hover,
    .tag-cloud a:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.26);
      background:rgba(215,176,109,.10);
      color:#fff;
    }
    .mini-nav{
      display:grid;
      gap:10px;
    }
    .mini-nav a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--text);
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
    }
    .mini-nav a span{
      color:var(--muted);
      font-size:13px;
    }
    .mini-nav a:hover,
    .mini-nav a:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.22);
      background:rgba(255,255,255,.05);
    }
    .highlight-note{
      padding:16px 18px;
      border-radius:16px;
      border:1px solid rgba(114,196,159,.18);
      background:rgba(114,196,159,.08);
      color:#dff3ea;
    }
    .highlight-note strong{display:block;color:#fff;margin-bottom:4px}
    .related-section{
      margin-top:24px;
      padding:24px;
    }
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .section-head .left{
      min-width:0;
      flex:1;
    }
    .section-title{
      margin:0;
      font-size:24px;
      line-height:1.25;
      font-weight:800;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      font-size:15px;
      max-width:74ch;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .content-card{
      overflow:hidden;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(40,27,41,.92), rgba(23,15,23,.96));
      box-shadow:0 14px 30px rgba(0,0,0,.16);
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
      height:100%;
    }
    .content-card:hover{
      transform:translateY(-3px);
      border-color:rgba(215,176,109,.18);
      box-shadow:0 20px 36px rgba(0,0,0,.22);
    }
    .content-card .thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#1c111b;
    }
    .content-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s var(--ease);
    }
    .content-card:hover .thumb img{transform:scale(1.05)}
    .content-card .thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 0%, rgba(15,10,15,.18) 50%, rgba(15,10,15,.78) 100%);
    }
    .corner-badge{
      position:absolute;
      top:12px;
      left:12px;
      z-index:1;
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(179,59,95,.92);
      color:#fff;
      font-size:12px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:0 10px 18px rgba(0,0,0,.18);
    }
    .content-card .body{
      padding:15px;
      display:grid;
      gap:10px;
    }
    .content-card h3{
      margin:0;
      font-size:16px;
      line-height:1.45;
      font-weight:800;
      color:#fff;
    }
    .content-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .card-meta .mini{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--soft);
      font-size:12px;
    }
    .faq-section{
      margin-top:24px;
      padding:24px;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary span{
      color:var(--accent);
      font-size:20px;
      line-height:1;
      flex:0 0 auto;
      transition:transform .22s var(--ease);
    }
    .faq-item[open] summary span{transform:rotate(45deg)}
    .faq-content{
      padding:0 18px 16px;
      color:var(--muted);
    }
    .cta-section{
      margin-top:24px;
      padding:24px;
      border-radius:calc(var(--radius) + 4px);
      border:1px solid rgba(215,176,109,.14);
      background:
        radial-gradient(700px 280px at 14% 12%, rgba(179,59,95,.22), transparent 58%),
        linear-gradient(135deg, rgba(35,22,36,.98), rgba(20,13,20,.98));
      box-shadow:var(--shadow-soft);
    }
    .cta-wrap{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .cta-copy{
      min-width:0;
      max-width:68ch;
    }
    .cta-copy h2{
      margin:0;
      font-size:24px;
      font-weight:800;
      line-height:1.25;
      color:#fff;
    }
    .cta-copy p{
      margin:10px 0 0;
      color:var(--muted);
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .empty-state{
      margin-top:22px;
      padding:36px 24px;
      text-align:center;
      border-radius:calc(var(--radius) + 4px);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(32,22,32,.96), rgba(20,13,20,.96));
      box-shadow:var(--shadow-soft);
    }
    .empty-state .icon{
      width:72px;
      height:72px;
      margin:0 auto 16px;
      border-radius:50%;
      display:grid;
      place-items:center;
      font-size:28px;
      color:#fff;
      background:radial-gradient(circle at 30% 30%, rgba(179,59,95,.92), rgba(132,40,71,.88));
      box-shadow:0 16px 30px rgba(0,0,0,.22);
    }
    .empty-state h1{
      margin:0;
      font-size:28px;
      font-weight:800;
      color:#fff;
    }
    .empty-state p{
      margin:10px auto 0;
      max-width:56ch;
      color:var(--muted);
    }
    .empty-state .actions{
      display:flex;
      justify-content:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .site-footer{
      margin-top:24px;
      padding:0 0 28px;
    }
    .footer-panel{
      border-radius:calc(var(--radius) + 4px);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(30,20,30,.98), rgba(18,12,18,.98));
      box-shadow:var(--shadow-soft);
      padding:24px;
    }
    .footer-top{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .footer-brand{
      min-width:min(100%, 560px);
      max-width:760px;
    }
    .footer-brand .name{
      font-size:18px;
      font-weight:800;
      color:#fff;
      margin-bottom:8px;
      line-height:1.25;
    }
    .footer-brand .desc{
      margin:0;
      color:var(--muted);
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      align-items:flex-start;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(215,176,109,.24);
      background:rgba(255,255,255,.05);
      color:#fff;
    }
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:18px;
      color:var(--soft);
      font-size:13px;
    }
    .back-to-top{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:80;
      width:48px;height:48px;
      border-radius:50%;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(32,22,32,.84);
      color:#fff;
      box-shadow:0 16px 30px rgba(0,0,0,.25);
      transition:transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
    }
    .back-to-top:hover,
    .back-to-top:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(215,176,109,.26);
      background:rgba(38,26,39,.92);
      color:#fff;
    }
    .back-to-top span{
      font-size:20px;
      line-height:1;
      transform:translateY(-1px);
    }
    .line-clamp-2{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .muted{color:var(--muted)}
    .soft{color:var(--soft)}
    .divider{
      height:1px;
      background:rgba(255,255,255,.08);
      margin:18px 0;
    }
    .article-layout .sticky-top{
      top:110px;
    }
    .article-block{
      display:grid;
      gap:16px;
    }
    @media (max-width: 1199.98px){
      .article-hero-grid,
      .article-layout{
        grid-template-columns:1fr;
      }
      .hero-media{
        order:-1;
      }
      .sidebar{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
    }
    @media (max-width: 991.98px){
      .nav-row{
        grid-template-columns:auto auto;
        justify-content:space-between;
      }
      .desktop-nav,
      .site-search{display:none}
      .mobile-menu{display:block}
      .hero-stats{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr 1fr}
      .sidebar{grid-template-columns:1fr}
    }
    @media (max-width: 767.98px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .top-strip .inner{
        flex-direction:column;
        align-items:flex-start;
        padding:8px 0;
      }
      .nav-row{
        padding:12px 0 14px;
        gap:10px;
      }
      .brand span{letter-spacing:.12em;font-size:12px}
      .brand strong{font-size:16px}
      .article-hero,
      .content-panel,
      .related-section,
      .faq-section,
      .cta-section,
      .footer-panel{
        padding:18px;
      }
      .hero-title{font-size:clamp(26px, 8vw, 36px)}
      .panel-title{font-size:clamp(22px, 6vw, 28px)}
      .section-title,
      .cta-copy h2{font-size:22px}
      .related-grid{grid-template-columns:1fr}
      .hero-actions,
      .cta-actions{width:100%}
      .btn-solid,.btn-ghost,.btn-soft{width:100%}
      .article-meta,.hero-meta{gap:8px}
      .back-to-top{right:14px;bottom:14px}
    }
    @media (max-width: 575.98px){
      .hero-kicker,
      .panel-kicker,
      .meta-pill,
      .tag-pill,
      .chip,
      .corner-badge{
        font-size:12px;
      }
      .hero-desc,
      .panel-subtitle,
      .section-desc,
      .cta-copy p,
      .footer-brand .desc{
        font-size:14px;
      }
      .article-body{font-size:15px}
      .footer-bottom{font-size:12px}
    }
    :focus-visible{
      outline:0;
      box-shadow:0 0 0 4px rgba(215,176,109,.16);
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}