/* roulang page: index */
:root{
      --bg: #131416;
      --bg-2: #1a1c20;
      --surface: #f4f1ea;
      --surface-2: #ece7dd;
      --surface-3: #e7e0d4;
      --text: #17181b;
      --text-2: #5f6773;
      --text-inverse: #f7f6f2;
      --muted: #8a909c;
      --line: rgba(23,24,27,.10);
      --line-strong: rgba(23,24,27,.16);
      --accent: #d97a22;
      --accent-2: #f0a44c;
      --accent-deep: #a74f12;
      --wine: #6f3540;
      --shadow: 0 16px 40px rgba(11,12,14,.10);
      --shadow-strong: 0 24px 70px rgba(11,12,14,.18);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1180px;
      --gap: 24px;
      --transition: 220ms cubic-bezier(.2,.8,.2,1);
      --focus: 0 0 0 4px rgba(217,122,34,.20);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(217,122,34,.13), transparent 60%),
        radial-gradient(900px 500px at 100% 0%, rgba(111,53,64,.14), transparent 45%),
        linear-gradient(180deg, #101114 0%, #16181c 28%, #edede7 28%, #f3f1ec 100%);
      color:var(--text);
      line-height:1.8;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    ::selection{background:rgba(217,122,34,.22);color:var(--text)}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:-9999px;
      top:12px;
      z-index:9999;
      padding:12px 16px;
      border-radius:999px;
      background:var(--surface);
      color:var(--text);
      box-shadow:var(--shadow);
    }
    .skip-link:focus{left:16px;outline:none;box-shadow:var(--focus), var(--shadow)}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter: blur(16px);
      background:rgba(17,18,21,.76);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:18px;
      min-height:84px;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text-inverse);
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:44px;height:44px;
      display:grid;place-items:center;
      border-radius:16px;
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      box-shadow:0 10px 24px rgba(217,122,34,.24);
      font-size:16px;
      font-weight:900;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-text strong{
      font-size:18px;
      font-weight:800;
    }
    .brand-text span{
      font-size:12px;
      color:rgba(247,246,242,.72);
      margin-top:4px;
    }

    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:8px;
      flex:1;
      flex-wrap:wrap;
    }
    .site-nav a{
      position:relative;
      padding:11px 14px;
      color:rgba(247,246,242,.86);
      border-radius:999px;
      transition:transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
      outline:none;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      background:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 8px 20px rgba(0,0,0,.14);
    }
    .site-nav a.is-active{
      background:linear-gradient(145deg, rgba(217,122,34,.98), rgba(240,164,76,.92));
      color:#fff;
      box-shadow:0 10px 24px rgba(217,122,34,.26);
    }

    .header-tools{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .searchbar{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      min-width:min(360px, 100%);
      padding:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .searchbar .icon{
      width:18px;height:18px;
      margin-left:8px;
      flex:0 0 auto;
      color:rgba(247,246,242,.74);
    }
    .searchbar input{
      border:0;
      outline:none;
      background:transparent;
      color:#fff;
      width:100%;
      min-width:0;
      padding:8px 6px;
    }
    .searchbar input::placeholder{color:rgba(247,246,242,.46)}
    .searchbar button{
      border:0;
      outline:none;
      border-radius:999px;
      padding:10px 16px;
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      cursor:pointer;
      transition:transform var(--transition), filter var(--transition), box-shadow var(--transition);
      box-shadow:0 10px 18px rgba(217,122,34,.22);
    }
    .searchbar button:hover,
    .searchbar button:focus-visible{
      transform:translateY(-1px);
      filter:saturate(1.04);
      box-shadow:0 14px 24px rgba(217,122,34,.28);
    }
    .searchbar button:active{transform:translateY(0);box-shadow:0 6px 14px rgba(217,122,34,.20)}
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#fff;
      cursor:pointer;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .menu-toggle:hover,.menu-toggle:focus-visible{
      outline:none;
      transform:translateY(-1px);
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.18);
    }
    .menu-toggle svg{width:20px;height:20px}

    .hero{
      position:relative;
      overflow:hidden;
      padding:38px 0 34px;
    }
    .hero-shell{
      position:relative;
      border-radius:32px;
      overflow:hidden;
      background:
        linear-gradient(110deg, rgba(10,11,13,.92) 0%, rgba(18,19,22,.90) 48%, rgba(18,19,22,.62) 72%, rgba(18,19,22,.32) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.08);
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -15% -35% 38%;
      width:340px;height:340px;
      background:radial-gradient(circle, rgba(217,122,34,.34), transparent 68%);
      pointer-events:none;
      filter:blur(8px);
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.2fr .9fr;
      gap:28px;
      padding:42px;
      color:var(--text-inverse);
      align-items:center;
    }
    .hero-copy{
      min-width:0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(247,246,242,.88);
      font-size:13px;
      margin-bottom:18px;
    }
    .eyebrow i{
      width:8px;height:8px;border-radius:999px;background:linear-gradient(145deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(217,122,34,.18);
      display:inline-block;
    }
    h1{
      margin:0;
      font-size:clamp(2rem, 5vw, 4.4rem);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:900;
      max-width:12ch;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:62ch;
      color:rgba(247,246,242,.82);
      font-size:clamp(1rem, 1.4vw, 1.1rem);
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border:0;
      border-radius:999px;
      padding:13px 18px;
      min-height:48px;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      outline:none;
      font-weight:700;
      letter-spacing:.01em;
    }
    .btn-primary{
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      box-shadow:0 14px 28px rgba(217,122,34,.26);
    }
    .btn-primary:hover,.btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 18px 34px rgba(217,122,34,.30);
    }
    .btn-secondary{
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.18);
    }
    .btn:active{transform:translateY(0)}
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.08);
      color:rgba(247,246,242,.90);
      font-size:13px;
      white-space:nowrap;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .tag:hover{transform:translateY(-1px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.16)}

    .hero-media{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
      align-items:stretch;
    }
    .media-stack{
      display:grid;
      gap:16px;
    }
    .media-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:180px;
      background:#202227;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 16px 35px rgba(0,0,0,.22);
      isolation:isolate;
    }
    .media-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 0%, rgba(9,10,11,.08) 55%, rgba(9,10,11,.72) 100%);
      z-index:1;
      pointer-events:none;
    }
    .media-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 500ms cubic-bezier(.2,.8,.2,1);
    }
    .media-card:hover img{transform:scale(1.04)}
    .media-card .label{
      position:absolute;
      left:14px;
      bottom:14px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(19,20,22,.72);
      color:#fff;
      font-size:13px;
      backdrop-filter:blur(8px);
      border:1px solid rgba(255,255,255,.10);
    }
    .media-card--tall{min-height:376px}
    .media-card--wide{min-height:180px}
    .hero-note{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:rgba(247,246,242,.72);
      font-size:13px;
    }
    .hero-note span{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }

    main{display:block}
    .section{
      padding:24px 0 10px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 2rem);
      line-height:1.2;
      letter-spacing:-.02em;
      color:var(--text);
      font-weight:850;
    }
    .section-desc{
      margin:6px 0 0;
      color:var(--text-2);
      font-size:14px;
      max-width:60ch;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent-deep);
      font-weight:700;
      white-space:nowrap;
    }
    .section-link:hover,.section-link:focus-visible{color:var(--accent);outline:none}

    .quick-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .quick-card{
      position:relative;
      overflow:hidden;
      padding:18px 18px 16px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(242,238,230,.96));
      border:1px solid rgba(23,24,27,.08);
      box-shadow:var(--shadow);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height:124px;
    }
    .quick-card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 34px rgba(11,12,14,.10);
      border-color:rgba(217,122,34,.22);
    }
    .quick-card::before{
      content:"";
      position:absolute;
      inset:auto -18px -18px auto;
      width:88px;height:88px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(217,122,34,.12), transparent 70%);
      pointer-events:none;
    }
    .quick-card .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(217,122,34,.10);
      color:var(--accent-deep);
      font-size:12px;
      font-weight:700;
    }
    .quick-card h3{
      margin:14px 0 8px;
      font-size:18px;
      line-height:1.25;
      color:var(--text);
    }
    .quick-card p{
      margin:0;
      color:var(--text-2);
      font-size:14px;
      line-height:1.75;
    }

    .featured-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr;
      gap:18px;
    }
    .feature-large{
      overflow:hidden;
      border-radius:28px;
      background:linear-gradient(180deg, #fff, #f6f2eb);
      border:1px solid rgba(23,24,27,.08);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr 1.05fr;
      min-height:360px;
    }
    .feature-visual{
      position:relative;
      min-height:100%;
      background:#22252a;
      overflow:hidden;
    }
    .feature-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 500ms cubic-bezier(.2,.8,.2,1);
    }
    .feature-large:hover .feature-visual img{transform:scale(1.04)}
    .feature-content{
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(111,53,64,.10);
      color:var(--wine);
      font-size:12px;
      font-weight:700;
    }
    .feature-content h3{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 2.05rem);
      line-height:1.18;
      color:var(--text);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .feature-content p{
      margin:0;
      color:var(--text-2);
      font-size:15px;
      line-height:1.9;
    }
    .feature-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:2px;
      color:var(--text-2);
      font-size:13px;
    }
    .feature-meta span{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(23,24,27,.05);
      border:1px solid rgba(23,24,27,.06);
    }

    .feature-side{
      display:grid;
      gap:18px;
    }
    .info-card{
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, #fff, #f8f5f0);
      border:1px solid rgba(23,24,27,.08);
      box-shadow:var(--shadow);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .info-card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 30px rgba(11,12,14,.10);
      border-color:rgba(217,122,34,.22);
    }
    .info-card .thumb{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#20242a;
    }
    .info-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 500ms cubic-bezier(.2,.8,.2,1);
    }
    .info-card:hover .thumb img{transform:scale(1.05)}
    .info-card .body{
      padding:18px;
    }
    .info-card .body h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
      color:var(--text);
      font-weight:800;
    }
    .info-card .body p{
      margin:10px 0 0;
      color:var(--text-2);
      font-size:14px;
      line-height:1.8;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
      color:var(--muted);
      font-size:12px;
    }
    .meta-row .pill{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(23,24,27,.05);
      border:1px solid rgba(23,24,27,.06);
    }

    .content-box{
      padding:22px;
      border-radius:28px;
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,244,238,.98));
      border:1px solid rgba(23,24,27,.08);
      box-shadow:var(--shadow);
    }

    .latest-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .update-card{
      overflow:hidden;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(23,24,27,.08);
      box-shadow:0 10px 24px rgba(11,12,14,.06);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height:100%;
    }
    .update-card:hover{
      transform:translateY(-2px);
      border-color:rgba(217,122,34,.24);
      box-shadow:0 16px 30px rgba(11,12,14,.10);
    }
    .update-link{
      display:block;
      padding:18px;
      min-height:100%;
    }
    .update-top{
      display:flex;
      align-items:flex-start;
      gap:14px;
    }
    .update-index{
      width:40px;height:40px;
      border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(145deg, rgba(217,122,34,.16), rgba(240,164,76,.12));
      color:var(--accent-deep);
      font-weight:800;
      flex:0 0 auto;
      border:1px solid rgba(217,122,34,.16);
    }
    .update-main{
      min-width:0;
      flex:1;
    }
    .update-main h3{
      margin:0;
      font-size:17px;
      line-height:1.45;
      color:var(--text);
      font-weight:800;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-main p{
      margin:10px 0 0;
      color:var(--text-2);
      font-size:14px;
      line-height:1.85;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
      font-size:12px;
      color:var(--muted);
    }
    .update-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(23,24,27,.04);
      border:1px solid rgba(23,24,27,.06);
    }
    .update-footer{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-top:14px;
      padding-top:14px;
      border-top:1px dashed rgba(23,24,27,.10);
      color:var(--accent-deep);
      font-weight:700;
      font-size:13px;
    }

    .empty-state{
      padding:28px;
      border-radius:20px;
      background:linear-gradient(180deg, #fff, #faf8f3);
      border:1px dashed rgba(23,24,27,.14);
      color:var(--text-2);
      text-align:center;
      font-size:15px;
    }

    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .guide-card{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg, #fff, #f7f4ee);
      border:1px solid rgba(23,24,27,.08);
      box-shadow:0 12px 24px rgba(11,12,14,.06);
    }
    .guide-card .num{
      width:34px;height:34px;
      border-radius:12px;
      display:grid;place-items:center;
      background:rgba(111,53,64,.10);
      color:var(--wine);
      font-weight:800;
      margin-bottom:12px;
    }
    .guide-card h3{
      margin:0 0 8px;
      font-size:17px;
      line-height:1.3;
      color:var(--text);
    }
    .guide-card p{
      margin:0;
      color:var(--text-2);
      font-size:14px;
      line-height:1.8;
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:20px;
      background:linear-gradient(180deg, #fff, #f8f5f0);
      border:1px solid rgba(23,24,27,.08);
      box-shadow:0 10px 24px rgba(11,12,14,.05);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(217,122,34,.20);
      box-shadow:0 16px 30px rgba(11,12,14,.08);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:800;
      color:var(--text);
      outline:none;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .faq-arrow{
      width:28px;height:28px;
      border-radius:999px;
      display:grid;place-items:center;
      background:rgba(217,122,34,.10);
      color:var(--accent-deep);
      flex:0 0 auto;
      transition:transform var(--transition), background var(--transition);
    }
    details[open] .faq-arrow{transform:rotate(180deg);background:rgba(217,122,34,.14)}
    .faq-body{
      padding:0 20px 18px;
      color:var(--text-2);
      font-size:15px;
      line-height:1.9;
    }

    .cta{
      padding:18px 0 46px;
    }
    .cta-shell{
      overflow:hidden;
      border-radius:30px;
      background:
        linear-gradient(125deg, rgba(23,24,27,.97) 0%, rgba(35,37,42,.96) 62%, rgba(217,122,34,.90) 100%);
      color:#fff;
      box-shadow:var(--shadow-strong);
      position:relative;
      border:1px solid rgba(255,255,255,.08);
    }
    .cta-shell::after{
      content:"";
      position:absolute;
      right:-60px; top:-80px;
      width:260px;height:260px;
      background:radial-gradient(circle, rgba(240,164,76,.34), transparent 66%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      padding:34px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-copy h2{
      margin:0;
      font-size:clamp(1.45rem, 2.4vw, 2.2rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .cta-copy p{
      margin:10px 0 0;
      color:rgba(255,255,255,.80);
      max-width:58ch;
      line-height:1.8;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .cta .btn-secondary{
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.16);
    }
    .cta .btn-secondary:hover,.cta .btn-secondary:focus-visible{
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.20);
    }

    .site-footer{
      padding:0 0 28px;
      color:rgba(247,246,242,.82);
    }
    .footer-shell{
      border-radius:28px;
      background:rgba(15,16,18,.92);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 40px rgba(0,0,0,.18);
      overflow:hidden;
    }
    .footer-inner{
      padding:28px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:20px;
    }
    .footer-brand{
      color:#fff;
    }
    .footer-brand strong{
      display:block;
      font-size:18px;
      margin-bottom:10px;
    }
    .footer-brand p{
      margin:0;
      color:rgba(247,246,242,.72);
      line-height:1.9;
      font-size:14px;
      max-width:42ch;
    }
    .footer-col h3{
      margin:0 0 12px;
      font-size:15px;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(247,246,242,.78);
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
      outline:none;
    }
    .footer-note{
      padding:16px 28px 24px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(247,246,242,.58);
      font-size:13px;
      line-height:1.8;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }

    .anchor-space{scroll-margin-top:110px}

    .reveal{
      opacity:0;
      transform:translateY(14px);
      transition:opacity 700ms ease, transform 700ms ease;
    }
    .reveal.is-inview{
      opacity:1;
      transform:translateY(0);
    }

    .site-header.nav-open .site-nav{display:flex}
    .site-header.nav-open .searchbar{display:flex}

    @media (max-width: 1200px){
      .hero-inner{grid-template-columns:1fr .95fr}
      .feature-large{grid-template-columns:1fr}
      .feature-visual{min-height:260px}
    }

    @media (max-width: 992px){
      .header-inner{
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .site-nav{
        order:3;
        width:100%;
        display:none;
        padding:10px 0 2px;
      }
      .site-nav a{
        padding:10px 12px;
        background:rgba(255,255,255,.04);
      }
      .searchbar{
        min-width:1px;
        width:100%;
      }
      .header-tools{
        margin-left:0;
        width:100%;
      }
      .menu-toggle{display:inline-flex;margin-left:auto}
      .hero-inner{
        grid-template-columns:1fr;
        padding:30px;
      }
      .hero-media{
        grid-template-columns:1fr 1fr;
      }
      .media-card--tall{min-height:280px}
      .quick-grid,.guide-grid,.latest-grid,.featured-grid,.footer-inner{
        grid-template-columns:1fr 1fr;
      }
      .footer-brand{grid-column:1 / -1}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
    }

    @media (max-width: 768px){
      body{background:
        radial-gradient(800px 540px at 20% -10%, rgba(217,122,34,.12), transparent 60%),
        linear-gradient(180deg, #101114 0%, #16181c 20%, #edede7 20%, #f3f1ec 100%);
      }
      .site-header{backdrop-filter: blur(12px)}
      .header-inner{min-height:76px}
      .brand-text strong{font-size:16px}
      .hero{padding:18px 0 24px}
      .hero-shell{border-radius:26px}
      .hero-inner{padding:22px}
      h1{max-width:none}
      .hero-media{
        grid-template-columns:1fr;
      }
      .media-card--tall{min-height:230px}
      .media-card--wide{min-height:170px}
      .quick-grid,.guide-grid,.latest-grid,.featured-grid,.footer-inner{
        grid-template-columns:1fr;
      }
      .feature-large{min-height:auto}
      .feature-content{padding:20px}
      .section{padding-top:18px}
      .content-box{padding:18px;border-radius:24px}
      .cta-shell,.footer-shell{border-radius:24px}
      .cta-inner,.footer-inner{padding:22px}
      .footer-note{padding:14px 22px 18px}
    }

    @media (max-width: 520px){
      .container{width:min(calc(100% - 20px), var(--container))}
      .hero-copy p,.section-desc,.guide-card p,.faq-body,.update-main p,.feature-content p{font-size:14px}
      .searchbar{padding:7px}
      .searchbar button{padding:10px 14px}
      .site-nav{gap:6px}
      .site-nav a{padding:9px 10px;font-size:14px}
      .btn{width:100%}
      .hero-actions,.cta-actions{width:100%}
      .quick-card,.guide-card,.info-card .body,.update-link{padding:16px}
      .update-top{gap:12px}
      details.faq-item summary{padding:16px}
      .faq-body{padding:0 16px 16px}
      .brand-mark{width:40px;height:40px;border-radius: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: article */
:root{
      --bg:#131416;
      --bg-2:#1a1c20;
      --surface:#f4f1ea;
      --surface-2:#ece7dd;
      --surface-3:#e7e0d4;
      --text:#17181b;
      --text-2:#5f6773;
      --text-inverse:#f7f6f2;
      --muted:#8a909c;
      --line:rgba(23,24,27,.10);
      --line-strong:rgba(23,24,27,.16);
      --accent:#d97a22;
      --accent-2:#f0a44c;
      --accent-deep:#a74f12;
      --wine:#6f3540;
      --shadow:0 16px 40px rgba(11,12,14,.10);
      --shadow-strong:0 24px 70px rgba(11,12,14,.18);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1180px;
      --gap:24px;
      --transition:220ms cubic-bezier(.2,.8,.2,1);
      --focus:0 0 0 4px rgba(217,122,34,.20);
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(217,122,34,.13), transparent 60%),
        radial-gradient(900px 500px at 100% 0%, rgba(111,53,64,.14), transparent 45%),
        linear-gradient(180deg, #101114 0%, #16181c 28%, #edede7 28%, #f3f1ec 100%);
      color:var(--text);
      line-height:1.8;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), transparent 28%),
        radial-gradient(circle at 10% 15%, rgba(255,255,255,.04), transparent 12%),
        radial-gradient(circle at 90% 0%, rgba(255,255,255,.03), transparent 10%);
      z-index:-1;
    }
    ::selection{background:rgba(217,122,34,.22);color:#111}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none}
    :focus-visible{outline:none;box-shadow:var(--focus);border-radius:12px}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(16px);
      background:rgba(17,18,21,.76);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      position:relative;
      display:flex;
      align-items:center;
      gap:18px;
      min-height:84px;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text-inverse);
      font-weight:800;
      letter-spacing:.02em;
      transition:transform var(--transition), opacity var(--transition);
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:44px;height:44px;
      display:grid;place-items:center;
      border-radius:16px;
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      box-shadow:0 10px 24px rgba(217,122,34,.24);
      font-size:16px;
      font-weight:900;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-text strong{
      font-size:18px;
      font-weight:800;
    }
    .brand-text span{
      font-size:12px;
      color:rgba(247,246,242,.72);
      margin-top:4px;
    }
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#fff;
      cursor:pointer;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
      flex:0 0 auto;
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      outline:none;
      transform:translateY(-1px);
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.18);
    }
    .menu-toggle svg{width:20px;height:20px}
    .header-panel{
      display:flex;
      align-items:center;
      gap:16px;
      flex:1;
      min-width:0;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:8px;
      flex:1;
      flex-wrap:wrap;
    }
    .site-nav a{
      position:relative;
      padding:11px 14px;
      color:rgba(247,246,242,.86);
      border-radius:999px;
      transition:transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
      outline:none;
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      background:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 8px 20px rgba(0,0,0,.14);
    }
    .site-nav a.is-active{
      background:linear-gradient(145deg, rgba(217,122,34,.98), rgba(240,164,76,.92));
      color:#fff;
      box-shadow:0 10px 24px rgba(217,122,34,.26);
    }
    .header-tools{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
      min-width:min(380px, 100%);
    }
    .quick-search{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      width:min(360px, 100%);
      padding:8px 8px 8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .quick-search .icon{
      width:18px;
      height:18px;
      flex:0 0 auto;
      color:rgba(247,246,242,.74);
    }
    .quick-search input{
      border:0;
      outline:none;
      background:transparent;
      color:#fff;
      width:100%;
      min-width:0;
      padding:8px 2px;
    }
    .quick-search input::placeholder{color:rgba(247,246,242,.46)}
    .quick-search button{
      border:0;
      outline:none;
      border-radius:999px;
      padding:10px 16px;
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      cursor:pointer;
      transition:transform var(--transition), filter var(--transition), box-shadow var(--transition), background var(--transition);
      box-shadow:0 10px 18px rgba(217,122,34,.22);
      white-space:nowrap;
    }
    .quick-search button:hover,
    .quick-search button:focus-visible{
      transform:translateY(-1px);
      filter:saturate(1.04);
      box-shadow:0 14px 24px rgba(217,122,34,.28);
    }
    .quick-search button:active{transform:translateY(0);box-shadow:0 6px 14px rgba(217,122,34,.20)}
    .quick-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 16px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      background:rgba(255,255,255,.05);
      transition:transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
      white-space:nowrap;
    }
    .quick-link:hover,
    .quick-link:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.18);
      color:#fff;
      box-shadow:0 10px 22px rgba(0,0,0,.16);
    }
    .page-main{padding:34px 0 68px}
    .article-banner{
      margin-top:4px;
      padding:0 0 18px;
    }
    .banner-shell{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        linear-gradient(110deg, rgba(10,11,13,.92) 0%, rgba(18,19,22,.90) 48%, rgba(18,19,22,.66) 72%, rgba(18,19,22,.40) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.08);
    }
    .banner-shell::before{
      content:"";
      position:absolute;
      inset:auto -12% -38% auto;
      width:300px;height:300px;
      background:radial-gradient(circle, rgba(217,122,34,.30), transparent 68%);
      pointer-events:none;
    }
    .banner-shell::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(19,20,22,.10), rgba(19,20,22,.18));
      pointer-events:none;
    }
    .banner-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0, 1.35fr) minmax(280px, .9fr);
      gap:24px;
      align-items:stretch;
      padding:34px;
      z-index:1;
    }
    .banner-copy{
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-width:0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.11);
      color:rgba(255,255,255,.88);
      font-size:13px;
      letter-spacing:.03em;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      box-shadow:0 0 0 4px rgba(217,122,34,.18);
      flex:0 0 auto;
    }
    .banner-copy h1{
      margin:0 0 14px;
      font-size:clamp(30px, 4vw, 56px);
      line-height:1.12;
      letter-spacing:-.02em;
      font-weight:900;
      max-width:12.5em;
      text-wrap:balance;
    }
    .banner-copy .summary{
      margin:0;
      max-width:44rem;
      color:rgba(247,246,242,.82);
      font-size:17px;
      line-height:1.88;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(247,246,242,.90);
      font-size:13px;
      line-height:1;
      white-space:nowrap;
    }
    .meta-chip strong{color:#fff;font-weight:700}
    .banner-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn-soft,
    .btn-solid,
    .btn-line{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn-solid{
      background:linear-gradient(145deg, rgba(217,122,34,1), rgba(240,164,76,1));
      color:#fff;
      box-shadow:0 12px 24px rgba(217,122,34,.25);
    }
    .btn-solid:hover,
    .btn-solid:focus-visible{
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 16px 30px rgba(217,122,34,.30);
    }
    .btn-line{
      color:#fff;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.14);
    }
    .btn-line:hover,
    .btn-line:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.22);
      transform:translateY(-1px);
    }
    .banner-visual{
      position:relative;
      min-height:320px;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .banner-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:320px;
      transform:scale(1.01);
    }
    .banner-visual .visual-note{
      position:absolute;
      left:16px;
      bottom:16px;
      right:16px;
      padding:14px 16px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(19,20,22,.14), rgba(19,20,22,.88));
      color:#fff;
      border:1px solid rgba(255,255,255,.10);
      backdrop-filter:blur(10px);
    }
    .visual-note strong{
      display:block;
      font-size:15px;
      margin-bottom:4px;
    }
    .visual-note span{
      display:block;
      font-size:13px;
      color:rgba(247,246,242,.78);
      line-height:1.6;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 1.72fr) minmax(300px, .82fr);
      gap:var(--gap);
      align-items:start;
      margin-top:22px;
    }
    .article-card,
    .aside-card,
    .related-card,
    .faq-item,
    .cta-band,
    .empty-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(244,241,234,.98), rgba(241,237,229,.96));
      box-shadow:var(--shadow);
    }
    .article-card{
      overflow:hidden;
      padding:28px;
    }
    .article-headline{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:18px;
      color:var(--text-2);
      font-size:13px;
    }
    .article-headline .crumb{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--text-2);
    }
    .article-headline .crumb a{
      color:var(--text);
      transition:color var(--transition);
    }
    .article-headline .crumb a:hover{color:var(--accent)}
    .article-headline .sep{opacity:.45}
    .article-title{
      margin:0 0 14px;
      font-size:clamp(26px, 3.2vw, 44px);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:900;
      color:var(--text);
      text-wrap:balance;
    }
    .article-summary{
      margin:0;
      font-size:17px;
      color:var(--text-2);
      line-height:1.92;
      max-width:62rem;
    }
    .article-toolbar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 0;
      padding-top:20px;
      border-top:1px solid var(--line);
    }
    .toolbar-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      color:var(--text-2);
      font-size:13px;
    }
    .toolbar-chip strong{color:var(--text)}
    .article-body{
      margin-top:24px;
      padding-top:2px;
      color:var(--text);
      font-size:17px;
      line-height:1.92;
    }
    .article-body > :first-child{margin-top:0}
    .article-body h2,
    .article-body h3,
    .article-body h4{
      color:var(--text);
      line-height:1.3;
      font-weight:800;
      margin:1.6em 0 .7em;
      letter-spacing:-.01em;
    }
    .article-body h2{font-size:28px}
    .article-body h3{font-size:22px}
    .article-body h4{font-size:18px}
    .article-body p{margin:0 0 1.1em;color:var(--text);word-break:break-word}
    .article-body a{
      color:var(--accent-deep);
      text-decoration:none;
      border-bottom:1px solid rgba(217,122,34,.22);
      transition:color var(--transition), border-color var(--transition), background var(--transition);
    }
    .article-body a:hover{
      color:var(--accent);
      border-color:rgba(217,122,34,.35);
    }
    .article-body strong{font-weight:800}
    .article-body ul,
    .article-body ol{
      padding-left:1.25em;
      margin:0 0 1.2em;
    }
    .article-body li{margin:.4em 0}
    .article-body blockquote{
      margin:1.4em 0;
      padding:18px 20px;
      border-left:4px solid var(--accent);
      background:linear-gradient(180deg, rgba(217,122,34,.08), rgba(217,122,34,.04));
      color:var(--text);
      border-radius:0 18px 18px 0;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
    }
    .article-body blockquote p:last-child{margin-bottom:0}
    .article-body figure{
      margin:1.6em 0;
    }
    .article-body figure img,
    .article-body img{
      width:100%;
      height:auto;
      border-radius:20px;
      box-shadow:0 12px 30px rgba(11,12,14,.10);
    }
    .article-body figure figcaption{
      margin-top:10px;
      font-size:13px;
      color:var(--text-2);
      text-align:center;
    }
    .article-body hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg, transparent, var(--line-strong), transparent);
      margin:1.8em 0;
    }
    .article-body code{
      padding:.15em .45em;
      border-radius:8px;
      background:rgba(23,24,27,.06);
      color:var(--accent-deep);
      font-size:.95em;
    }
    .article-body pre{
      overflow:auto;
      padding:16px 18px;
      border-radius:18px;
      background:#17181b;
      color:#f7f6f2;
      box-shadow:var(--shadow);
      margin:1.2em 0;
    }
    .article-body pre code{
      background:none;
      padding:0;
      color:inherit;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.2em 0 1.6em;
      overflow:hidden;
      border-radius:18px;
      box-shadow:0 0 0 1px var(--line);
      display:block;
      max-width:100%;
    }
    .article-body table thead,
    .article-body table tbody{display:table; width:100%; table-layout:fixed}
    .article-body th,
    .article-body td{
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      text-align:left;
      vertical-align:top;
      background:rgba(255,255,255,.72);
      word-break:break-word;
    }
    .article-body th{
      background:rgba(217,122,34,.08);
      color:var(--text);
      font-weight:700;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-footer{
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid var(--line);
    }
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      color:var(--text-2);
      font-size:13px;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
    }
    .tag:hover{
      transform:translateY(-1px);
      border-color:rgba(217,122,34,.26);
      color:var(--text);
      box-shadow:0 8px 18px rgba(11,12,14,.06);
    }
    .article-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .aside-stack{
      display:flex;
      flex-direction:column;
      gap:var(--gap);
      min-width:0;
    }
    .aside-card{
      overflow:hidden;
      padding:22px;
    }
    .sticky-box{position:sticky; top:104px}
    .side-cover{
      border-radius:22px;
      overflow:hidden;
      margin:-22px -22px 18px;
      border-bottom:1px solid var(--line);
    }
    .side-cover img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
    }
    .card-kicker{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(217,122,34,.08);
      color:var(--accent-deep);
      font-size:12px;
      font-weight:700;
      margin-bottom:12px;
    }
    .aside-card h2,
    .aside-card h3{
      margin:0 0 12px;
      font-size:20px;
      line-height:1.3;
      font-weight:800;
      color:var(--text);
    }
    .aside-card p{
      margin:0;
      color:var(--text-2);
      font-size:15px;
      line-height:1.88;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      position:relative;
      padding-left:24px;
      color:var(--text-2);
      font-size:14px;
      line-height:1.75;
    }
    .check-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.58em;
      width:12px;height:12px;
      border-radius:50%;
      background:linear-gradient(145deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(217,122,34,.12);
    }
    .aside-grid{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .mini-action{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.78);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .mini-action:hover{
      transform:translateY(-1px);
      border-color:rgba(217,122,34,.24);
      box-shadow:0 12px 24px rgba(11,12,14,.06);
      background:#fff;
    }
    .mini-action strong{display:block;color:var(--text);font-size:15px}
    .mini-action span{display:block;color:var(--text-2);font-size:13px;line-height:1.45;margin-top:2px}
    .mini-action .arrow{
      width:36px;height:36px;
      border-radius:50%;
      display:grid;place-items:center;
      background:linear-gradient(145deg, rgba(217,122,34,.10), rgba(240,164,76,.12));
      color:var(--accent-deep);
      flex:0 0 auto;
    }
    .mini-action .arrow svg{width:18px;height:18px}
    .related-section,
    .faq-section,
    .cta-section{
      margin-top:24px;
    }
    .section-header{
      margin-bottom:16px;
    }
    .section-header h2{
      margin:0;
      font-size:28px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--text);
    }
    .section-header p{
      margin:8px 0 0;
      color:var(--text-2);
      font-size:15px;
      line-height:1.82;
      max-width:60rem;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.2fr 1fr 1fr;
      gap:var(--gap);
    }
    .related-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .related-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(217,122,34,.24);
    }
    .related-card .thumb{
      position:relative;
      overflow:hidden;
      border-bottom:1px solid var(--line);
      background:var(--surface-2);
    }
    .related-card .thumb img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      transition:transform var(--transition);
    }
    .related-card:hover .thumb img{transform:scale(1.04)}
    .related-card .body{
      padding:18px 18px 20px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .related-card .body .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      font-size:12px;
      color:var(--text-2);
    }
    .related-card .body h3{
      margin:0;
      font-size:18px;
      line-height:1.42;
      font-weight:800;
      color:var(--text);
    }
    .related-card .body p{
      margin:0;
      color:var(--text-2);
      font-size:14px;
      line-height:1.85;
      flex:1;
    }
    .related-card .body .link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent-deep);
      font-weight:700;
      margin-top:6px;
    }
    .related-card .body .link svg{width:16px;height:16px}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      overflow:hidden;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .faq-item:hover{
      transform:translateY(-1px);
      border-color:rgba(217,122,34,.20);
      box-shadow:var(--shadow-strong);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-size:16px;
      font-weight:800;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .mark{
      width:34px;height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(217,122,34,.08);
      color:var(--accent-deep);
      flex:0 0 auto;
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary .mark{
      transform:rotate(45deg);
      background:rgba(217,122,34,.14);
    }
    .faq-item .answer{
      padding:0 22px 20px;
      color:var(--text-2);
      font-size:15px;
      line-height:1.9;
    }
    .cta-band{
      overflow:hidden;
      margin-top:24px;
      padding:28px;
      position:relative;
      background:
        linear-gradient(135deg, rgba(23,24,27,.98) 0%, rgba(26,28,32,.98) 50%, rgba(34,33,31,.98) 100%);
      color:var(--text-inverse);
      border-color:rgba(255,255,255,.08);
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:auto -8% -35% auto;
      width:340px;height:340px;
      background:radial-gradient(circle, rgba(217,122,34,.26), transparent 68%);
      pointer-events:none;
    }
    .cta-band .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-copy h2{
      margin:0 0 10px;
      font-size:30px;
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .cta-copy p{
      margin:0;
      color:rgba(247,246,242,.78);
      font-size:15px;
      line-height:1.85;
      max-width:44rem;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      min-width:max-content;
    }
    .cta-actions .btn-solid,
    .cta-actions .btn-line{
      min-width:148px;
    }
    .site-footer{
      color:rgba(247,246,242,.84);
      padding:30px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(17,18,21,.98), rgba(15,16,18,.98));
    }
    .footer-shell{
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.3fr .85fr .85fr;
      gap:24px;
      align-items:start;
      padding-top:10px;
    }
    .footer-brand strong{
      display:block;
      font-size:18px;
      color:#fff;
      margin-bottom:10px;
    }
    .footer-brand p{
      margin:0;
      color:rgba(247,246,242,.70);
      font-size:14px;
      line-height:1.9;
      max-width:32rem;
    }
    .footer-col h3{
      margin:0 0 12px;
      font-size:15px;
      color:#fff;
      font-weight:800;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
    }
    .footer-links a{
      color:rgba(247,246,242,.72);
      font-size:14px;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-note{
      display:flex;
      flex-wrap:wrap;
      gap:8px 18px;
      justify-content:space-between;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(247,246,242,.62);
      font-size:13px;
    }
    .empty-state{
      padding:42px 0 12px;
    }
    .empty-card{
      padding:42px 28px;
      text-align:center;
      max-width:720px;
      margin:0 auto;
    }
    .empty-card h1{
      margin:8px 0 10px;
      font-size:clamp(28px, 4vw, 42px);
      line-height:1.15;
      font-weight:900;
      color:var(--text);
    }
    .empty-card p{
      margin:0 auto 20px;
      max-width:36rem;
      color:var(--text-2);
      font-size:16px;
      line-height:1.88;
    }
    .empty-card .btn-solid{min-width:160px}
    @media (max-width: 1199.98px){
      .banner-inner,
      .article-layout,
      .related-grid,
      .footer-inner{
        grid-template-columns:1fr;
      }
      .sticky-box{position:static}
      .header-tools{min-width:0}
      .banner-visual{min-height:280px}
    }
    @media (max-width: 991.98px){
      .page-main{padding-top:28px}
      .banner-inner{padding:28px}
      .article-card{padding:24px}
      .aside-card{padding:20px}
      .cta-band .cta-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .cta-actions{justify-content:flex-start;min-width:0;width:100%}
      .cta-actions .btn-solid,
      .cta-actions .btn-line{width:100%}
    }
    @media (max-width: 767.98px){
      .menu-toggle{display:inline-flex}
      .header-panel{
        display:none;
        position:absolute;
        top:100%;
        left:0;
        right:0;
        padding:16px 0 18px;
        margin-top:1px;
        flex-direction:column;
        align-items:stretch;
        gap:14px;
        background:rgba(17,18,21,.96);
        border-bottom:1px solid rgba(255,255,255,.08);
        box-shadow:var(--shadow);
      }
      .site-header.is-open .header-panel{display:flex}
      .site-nav{
        margin-left:0;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        padding:0 16px;
      }
      .site-nav a{width:100%;text-align:center}
      .header-tools{
        padding:0 16px;
        width:100%;
        flex-direction:column;
      }
      .quick-search{width:100%}
      .quick-link{width:100%}
      .banner-copy h1{max-width:none}
      .banner-copy .summary{font-size:16px}
      .article-title{font-size:clamp(24px, 6vw, 36px)}
      .article-body{font-size:16px}
      .section-header h2{font-size:24px}
      .faq-item summary{padding:18px 18px}
      .faq-item .answer{padding:0 18px 18px}
      .cta-band{padding:24px}
      .cta-copy h2{font-size:26px}
    }
    @media (max-width: 575.98px){
      .container{width:min(calc(100% - 24px), var(--container))}
      .header-inner{min-height:76px}
      .brand-text strong{font-size:16px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .banner-shell{border-radius:26px}
      .banner-inner{padding:22px}
      .banner-visual{min-height:220px;border-radius:22px}
      .banner-visual img{min-height:220px}
      .article-card,
      .aside-card,
      .cta-band,
      .empty-card{border-radius:22px}
      .article-card{padding:20px}
      .aside-card{padding:18px}
      .article-headline{font-size:12px}
      .meta-row,
      .article-actions,
      .banner-actions,
      .cta-actions{gap:10px}
      .btn-solid,
      .btn-line,
      .btn-soft,
      .quick-search button,
      .quick-link{width:100%}
      .quick-search{
        flex-wrap:wrap;
        border-radius:22px;
        padding:12px;
      }
      .quick-search .icon{margin-left:0}
      .quick-search button{width:100%}
      .related-card .body{padding:16px}
      .footer-note{flex-direction:column}
    }

/* 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}