/* roulang page: index */
:root{
      --bg:#0a0b14;
      --bg-2:#111427;
      --panel:#14182c;
      --panel-2:#171c33;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(80,226,255,.18);
      --text:#f4f7ff;
      --muted:#a6b1d0;
      --soft:#7d86a8;
      --cyan:#35e1ff;
      --cyan-2:#1cb8e8;
      --gold:#f2c36c;
      --gold-2:#d89f45;
      --danger:#ff6b88;
      --success:#44d19a;
      --shadow:0 18px 50px rgba(0,0,0,.38);
      --shadow-soft:0 12px 32px rgba(0,0,0,.22);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1180px;
      --gap:24px;
      --header-h:76px;
      --transition:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(53,225,255,.12), transparent 28%),
        radial-gradient(circle at right 16%, rgba(242,195,108,.11), transparent 22%),
        linear-gradient(180deg, #090a13 0%, #0c1020 32%, #0a0b14 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.88), rgba(0,0,0,.22) 85%, transparent);
      opacity:.35;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 10%, rgba(53,225,255,.08), transparent 12%),
        radial-gradient(circle at 86% 22%, rgba(242,195,108,.08), transparent 12%),
        linear-gradient(transparent 94%, rgba(255,255,255,.03));
      opacity:.8;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg, rgba(10,11,20,.94), rgba(10,11,20,.72));
      border-bottom:1px solid var(--line);
    }
    .site-header::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(53,225,255,.36), transparent);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(53,225,255,.95), rgba(242,195,108,.96));
      box-shadow:0 10px 24px rgba(53,225,255,.24);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:11px;
      border:1px solid rgba(10,11,20,.6);
    }
    .brand-mark::after{
      inset:16px 12px 12px 16px;
      border-radius:8px 16px 10px 12px;
      border-color:rgba(10,11,20,.42);
      transform:rotate(-12deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:4px;
      min-width:0;
    }
    .brand-name{
      font-size:15px;
      font-weight:800;
      letter-spacing:.2px;
      line-height:1.15;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      line-height:1.2;
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:18px;
    }
    .nav-list{
      display:flex;
      align-items:center;
      gap:10px;
      list-style:none;
      margin:0;
      padding:0;
    }
    .nav-list a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:var(--transition);
      background:transparent;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible{
      color:var(--text);
      border-color:rgba(53,225,255,.24);
      background:rgba(53,225,255,.08);
      box-shadow:0 10px 24px rgba(0,0,0,.18);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-list a.active{
      color:#06111a;
      background:linear-gradient(135deg, var(--cyan), #8ff1ff);
      border-color:transparent;
      box-shadow:0 12px 24px rgba(53,225,255,.2);
    }
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      transition:var(--transition);
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(53,225,255,.3);
      outline:none;
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(7,9,17,.96);
      backdrop-filter:blur(14px);
    }
    .mobile-panel.is-open{display:block}
    .mobile-panel .container{
      padding:14px 0 18px;
      display:grid;
      gap:10px;
    }
    .mobile-panel a{
      min-height:46px;
      padding:0 16px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--muted);
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
    }
    .mobile-panel a.active{
      color:#06111a;
      background:linear-gradient(135deg, var(--cyan), #8ff1ff);
      border-color:transparent;
    }

    .hero{
      position:relative;
      padding:26px 0 18px;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(13,15,29,.92), rgba(14,18,40,.78)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(10,11,20,.84) 0%, rgba(10,11,20,.68) 45%, rgba(10,11,20,.28) 100%),
        linear-gradient(180deg, rgba(10,11,20,.2), rgba(10,11,20,.56));
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      padding:34px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(53,225,255,.1);
      color:#8feeff;
      border:1px solid rgba(53,225,255,.18);
      letter-spacing:.6px;
      text-transform:none;
      font-size:13px;
      font-weight:700;
      width:max-content;
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:clamp(34px, 4vw, 58px);
      line-height:1.04;
      letter-spacing:-.6px;
      max-width:11em;
    }
    .hero p{
      margin:0;
      max-width:44rem;
      color:var(--muted);
      font-size:16px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0 18px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      border:1px solid transparent;
      transition:var(--transition);
      font-weight:700;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--cyan), #8ff1ff);
      color:#06111a;
      box-shadow:0 14px 28px rgba(53,225,255,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 34px rgba(53,225,255,.26);
    }
    .btn-secondary{
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.12);
      color:var(--text);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(242,195,108,.34);
      box-shadow:0 14px 28px rgba(0,0,0,.18);
      background:rgba(242,195,108,.08);
    }
    .hero-search{
      margin-top:14px;
      display:flex;
      gap:10px;
      max-width:620px;
    }
    .hero-search input{
      flex:1;
      min-width:0;
      min-height:50px;
      padding:0 16px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:var(--text);
      outline:none;
      transition:var(--transition);
    }
    .hero-search input::placeholder{color:#94a0bf}
    .hero-search input:focus{
      border-color:rgba(53,225,255,.34);
      box-shadow:0 0 0 4px rgba(53,225,255,.08);
      background:rgba(255,255,255,.07);
    }
    .hero-search button{
      min-width:132px;
    }

    .hero-aside{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .info-grid{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
    }
    .info-card{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(10px);
    }
    .info-card .kicker{
      color:#8feeff;
      font-size:13px;
      font-weight:700;
      margin-bottom:8px;
    }
    .info-card strong{
      display:block;
      font-size:28px;
      line-height:1.1;
      margin-bottom:6px;
      letter-spacing:-.4px;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .hero-media{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      margin-top:2px;
    }
    .media-tile{
      border-radius:22px;
      overflow:hidden;
      min-height:178px;
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .media-tile img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease, filter .5s ease;
      filter:saturate(1.08) contrast(1.02);
    }
    .media-tile:hover img{
      transform:scale(1.04);
      filter:saturate(1.15) brightness(1.06);
    }
    .media-overlay{
      position:absolute;
      inset:auto 0 0 0;
      padding:14px;
      background:linear-gradient(180deg, transparent, rgba(6,9,16,.86));
      color:#fff;
    }
    .media-overlay span{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(53,225,255,.14);
      color:#96f1ff;
      font-size:12px;
      font-weight:700;
      margin-bottom:8px;
    }
    .media-overlay strong{
      display:block;
      font-size:15px;
      line-height:1.45;
    }

    .section{
      padding:22px 0 6px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:28px;
      line-height:1.2;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      max-width:52ch;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      transition:var(--transition);
    }
    .chip:hover,
    .chip:focus-visible{
      color:var(--text);
      border-color:rgba(53,225,255,.28);
      background:rgba(53,225,255,.08);
      transform:translateY(-1px);
      outline:none;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .content-card{
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      transition:var(--transition);
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:rgba(53,225,255,.22);
      box-shadow:0 16px 34px rgba(0,0,0,.28);
    }
    .content-card .thumb{
      aspect-ratio:16/9;
      overflow:hidden;
      position:relative;
    }
    .content-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s ease, filter .55s ease;
      filter:brightness(.93) saturate(1.06);
    }
    .content-card:hover .thumb img{
      transform:scale(1.05);
      filter:brightness(1.03) saturate(1.15);
    }
    .content-card .body{
      padding:18px;
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(53,225,255,.1);
      color:#93efff;
      border:1px solid rgba(53,225,255,.12);
      font-size:12px;
      font-weight:700;
    }
    .tag.gold{
      background:rgba(242,195,108,.1);
      color:#ffd99a;
      border-color:rgba(242,195,108,.14);
    }
    .content-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.35;
      letter-spacing:-.2px;
    }
    .content-card p{
      margin:0;
      color:var(--muted);
      line-height:1.82;
      min-height:3.6em;
    }
    .card-foot{
      padding:0 18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#cdd5f3;
      font-size:13px;
    }
    .card-foot .more{
      color:#90efff;
      font-weight:700;
    }

    .timeline{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.025)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft);
    }
    .timeline::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(10,11,20,.9), rgba(10,11,20,.72) 60%, rgba(10,11,20,.86));
    }
    .timeline-inner{
      position:relative;
      padding:26px 24px 24px;
    }
    .timeline-track{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
      margin-top:18px;
    }
    .timeline-track::before{
      content:"";
      position:absolute;
      left:8px;
      right:8px;
      top:26px;
      height:2px;
      background:linear-gradient(90deg, rgba(53,225,255,.16), rgba(53,225,255,.42), rgba(242,195,108,.34), rgba(53,225,255,.16));
      opacity:.85;
    }
    .timeline-item{
      position:relative;
      padding-top:44px;
      color:var(--text);
    }
    .timeline-item::before{
      content:"";
      position:absolute;
      top:17px;
      left:7px;
      width:18px;
      height:18px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--cyan), #98f2ff);
      box-shadow:0 0 0 6px rgba(53,225,255,.12), 0 10px 20px rgba(53,225,255,.16);
      z-index:1;
    }
    .timeline-item:nth-child(3)::before{
      background:linear-gradient(135deg, var(--gold), #ffe0a8);
      box-shadow:0 0 0 6px rgba(242,195,108,.12), 0 10px 20px rgba(242,195,108,.16);
    }
    .timeline-item strong{
      display:block;
      margin-bottom:8px;
      font-size:18px;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }

    .split{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .panel{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .panel-head{
      padding:20px 20px 0;
    }
    .panel-head h3{
      margin:0 0 8px;
      font-size:22px;
      line-height:1.25;
    }
    .panel-head p{
      margin:0 0 14px;
      color:var(--muted);
      line-height:1.8;
    }
    .update-list{
      list-style:none;
      margin:0;
      padding:4px 20px 20px;
      display:grid;
      gap:12px;
    }
    .update-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:12px;
      align-items:start;
      padding:14px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      transition:var(--transition);
    }
    .update-list li:hover{
      transform:translateY(-2px);
      border-color:rgba(53,225,255,.18);
      background:rgba(53,225,255,.06);
    }
    .update-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:8px;
      background:linear-gradient(135deg, var(--cyan), #97f3ff);
      box-shadow:0 0 0 5px rgba(53,225,255,.1);
    }
    .update-list strong{
      display:block;
      margin-bottom:4px;
      font-size:16px;
    }
    .update-list p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .side-stack{
      display:grid;
      gap:18px;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:14px;
      padding:0 20px 20px;
    }
    .mini-stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .mini-stat span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-bottom:8px;
    }
    .mini-stat strong{
      display:block;
      font-size:24px;
      letter-spacing:-.4px;
    }
    .mini-stat em{
      display:block;
      margin-top:6px;
      font-style:normal;
      color:#c8d1f0;
      font-size:13px;
      line-height:1.6;
    }
    .keyword-cloud{
      padding:0 20px 20px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .notice{
      margin-top:18px;
      padding:18px 20px;
      border-radius:20px;
      background:linear-gradient(135deg, rgba(242,195,108,.12), rgba(53,225,255,.08));
      border:1px solid rgba(255,255,255,.08);
      color:#f3f6ff;
      line-height:1.8;
    }
    .notice strong{
      color:#ffe5b0;
    }

    .gallery{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .gallery-card{
      position:relative;
      min-height:240px;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .gallery-card img{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s ease, filter .55s ease;
    }
    .gallery-card:hover img{
      transform:scale(1.05);
      filter:brightness(1.04) saturate(1.1);
    }
    .gallery-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(6,8,14,.18), rgba(6,8,14,.82));
    }
    .gallery-card .overlay{
      position:absolute;
      inset:auto 0 0 0;
      z-index:1;
      padding:18px;
    }
    .gallery-card h3{
      margin:0 0 8px;
      font-size:20px;
      line-height:1.34;
    }
    .gallery-card p{
      margin:0;
      color:#d5def7;
      line-height:1.75;
      font-size:14px;
      max-width:34ch;
    }

    .faq{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border-radius:20px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      box-shadow:var(--shadow-soft);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      background:transparent;
      border:0;
      color:var(--text);
      text-align:left;
    }
    .faq-question strong{
      font-size:16px;
      line-height:1.5;
    }
    .faq-icon{
      width:34px;
      height:34px;
      border-radius:50%;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      color:#09111a;
      background:linear-gradient(135deg, var(--cyan), #98f4ff);
      transition:var(--transition);
    }
    .faq-item.is-open .faq-icon{
      transform:rotate(45deg);
      background:linear-gradient(135deg, var(--gold), #ffe1ae);
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.9;
      font-size:14px;
    }
    .faq-item.is-open .faq-answer{display:block}

    .cta{
      margin:24px 0 10px;
      padding:28px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(53,225,255,.15), rgba(242,195,108,.12)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .cta::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(10,11,20,.9), rgba(10,11,20,.66));
    }
    .cta-inner{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .cta h2{
      margin:0 0 10px;
      font-size:30px;
      line-height:1.22;
    }
    .cta p{
      margin:0;
      color:var(--muted);
      line-height:1.82;
      max-width:56ch;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .footer{
      margin-top:20px;
      padding:28px 0 34px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(7,9,16,.3), rgba(7,9,16,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:20px;
      align-items:start;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .footer p,
    .footer a{
      color:var(--muted);
      line-height:1.85;
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      width:max-content;
      transition:var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--text);
      transform:translateX(2px);
      outline:none;
    }
    .copyright{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid var(--line);
      color:#7f89ab;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }

    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }
    .divider{
      height:1px;
      margin:18px 0 0;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.09), transparent);
    }

    @media (max-width: 1200px){
      .hero-grid{grid-template-columns:1fr .9fr}
      .feature-grid,.gallery{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .timeline-track{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .timeline-track::before{display:none}
      .split{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 992px){
      .hero-grid{grid-template-columns:1fr}
      .hero h1{max-width:none}
      .hero-media{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .feature-grid{grid-template-columns:1fr 1fr}
      .gallery{grid-template-columns:1fr 1fr}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .nav-wrap .nav-list{display:none}
      .menu-toggle{display:inline-flex}
      .hero{padding-top:18px}
      .hero-card{border-radius:24px}
      .hero-grid{padding:22px}
      .hero-media{grid-template-columns:1fr}
      .info-grid{grid-template-columns:1fr}
      .feature-grid,.gallery,.timeline-track,.footer-grid{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:1fr}
      .hero-search{flex-direction:column;max-width:none}
      .hero-search button{width:100%}
      .cta{padding:22px}
      .cta h2{font-size:26px}
      .section-head h2{font-size:24px}
      .brand-sub{display:none}
      .container{width:min(var(--container), calc(100% - 24px))}
    }
    @media (max-width: 576px){
      .header-inner{min-height:68px}
      .brand-name{font-size:14px;white-space:normal}
      .brand-mark{width:40px;height:40px}
      .hero h1{font-size:30px}
      .hero p{font-size:15px}
      .hero-grid{padding:18px}
      .btn{width:100%}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .card-foot,.panel-head,.notice,.timeline-inner,.footer,.cta{padding-left:16px;padding-right:16px}
      .content-card h3,.gallery-card h3{font-size:18px}
      .timeline-item{padding-top:36px}
      .copyright{flex-direction:column}
    }

/* roulang page: category1 */
:root{
  --bg:#070b14;
  --bg-2:#0a1020;
  --panel:#0f1628;
  --panel-2:#121b31;
  --panel-3:#16213a;
  --line:rgba(167,187,220,.16);
  --line-strong:rgba(116,255,231,.28);
  --text:#eef4ff;
  --muted:#a5b3cb;
  --muted-2:#7f90ad;
  --accent:#34e7c6;
  --accent-2:#f3b64b;
  --accent-3:#7f8cff;
  --shadow:0 18px 40px rgba(0,0,0,.34);
  --shadow-soft:0 10px 26px rgba(0,0,0,.22);
  --radius:18px;
  --radius-sm:14px;
  --radius-lg:26px;
  --container:1180px;
  --header-h:80px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(1200px 700px at 10% 0%, rgba(52,231,198,.12), transparent 42%),
    radial-gradient(900px 540px at 95% 10%, rgba(127,140,255,.16), transparent 40%),
    linear-gradient(180deg, #050810 0%, #070b14 46%, #0b1020 100%);
  color:var(--text);
  line-height:1.75;
  letter-spacing:.2px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0, rgba(255,255,255,.035) 1px, transparent 1px, transparent 86px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0, rgba(255,255,255,.022) 1px, transparent 1px, transparent 86px);
  opacity:.15;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 85%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:rgba(52,231,198,.26);color:#fff}
:focus-visible{outline:2px solid rgba(52,231,198,.86);outline-offset:3px}

.skip-link{
  position:absolute;
  top:-40px;
  left:16px;
  z-index:60;
  background:var(--accent);
  color:#041018;
  padding:8px 12px;
  border-radius:999px;
  transition:top .2s ease;
}
.skip-link:focus{top:14px}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(18px);
  background:linear-gradient(180deg, rgba(6,9,16,.94), rgba(6,9,16,.74));
  border-bottom:1px solid rgba(167,187,220,.12);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background:
    linear-gradient(145deg, rgba(52,231,198,.98), rgba(127,140,255,.92));
  box-shadow:0 10px 22px rgba(52,231,198,.2);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:10px;
  border:2px solid rgba(6,10,16,.9);
  border-left-color:transparent;
  border-radius:11px;
  transform:rotate(12deg);
}
.brand-text{
  min-width:0;
}
.brand-text strong{
  display:block;
  font-size:1.02rem;
  line-height:1.2;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-text span{
  display:block;
  font-size:.76rem;
  color:var(--muted);
  letter-spacing:.4px;
}

.nav{
  display:flex;
  align-items:center;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:8px;
  list-style:none;
  padding:0;
  margin:0;
}
.nav-list a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
  transition:transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  position:relative;
}
.nav-list a:hover{
  color:var(--text);
  border-color:rgba(52,231,198,.18);
  background:rgba(255,255,255,.03);
  transform:translateY(-1px);
}
.nav-list a.active,
.nav-list a[aria-current="page"]{
  color:#071019;
  background:linear-gradient(135deg, var(--accent), #85fff0);
  box-shadow:0 10px 20px rgba(52,231,198,.18);
}

.hero{
  position:relative;
  padding:34px 0 18px;
}
.hero-shell{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(167,187,220,.12);
  background:
    linear-gradient(135deg, rgba(5,8,16,.72), rgba(13,19,35,.84)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.hero-shell::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 12% 20%, rgba(52,231,198,.22), transparent 44%),
    radial-gradient(760px 360px at 92% 16%, rgba(243,182,75,.13), transparent 40%),
    linear-gradient(180deg, rgba(5,8,16,.08), rgba(5,8,16,.48));
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.22fr .78fr;
  gap:28px;
  padding:34px;
  align-items:stretch;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  color:#dce6fb;
  font-size:.9rem;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 5px rgba(52,231,198,.14);
}
.hero h1{
  margin:0 0 14px;
  font-size:clamp(2rem, 4vw, 3.6rem);
  line-height:1.08;
  letter-spacing:.2px;
}
.hero p{
  margin:0 0 22px;
  max-width:38rem;
  color:#d4ddf0;
  font-size:1.03rem;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:18px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
  font-weight:700;
  letter-spacing:.2px;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-soft);
}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), #7ff7e8);
  color:#061018;
}
.btn-primary:hover{
  box-shadow:0 12px 22px rgba(52,231,198,.2);
}
.btn-secondary{
  background:rgba(255,255,255,.04);
  border-color:rgba(167,187,220,.18);
  color:var(--text);
}
.btn-secondary:hover{
  border-color:rgba(52,231,198,.35);
  background:rgba(255,255,255,.06);
}

.search-box{
  display:flex;
  gap:10px;
  align-items:center;
  margin-top:10px;
  max-width:640px;
}
.search-box input{
  flex:1;
  min-width:0;
  height:50px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid rgba(167,187,220,.16);
  background:rgba(7,10,16,.5);
  color:var(--text);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.search-box input::placeholder{color:#8e9db7}
.search-box button{
  height:50px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid rgba(52,231,198,.26);
  background:linear-gradient(135deg, rgba(52,231,198,.96), rgba(127,140,255,.84));
  color:#071019;
  font-weight:800;
  box-shadow:0 12px 22px rgba(52,231,198,.16);
}

.quick-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(167,187,220,.15);
  background:rgba(255,255,255,.03);
  color:#dbe6fb;
  transition:transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
.tag-chip:hover{
  transform:translateY(-1px);
  border-color:rgba(52,231,198,.32);
  background:rgba(52,231,198,.08);
  color:#fff;
}
.tag-chip.active{
  background:rgba(52,231,198,.12);
  border-color:rgba(52,231,198,.4);
  color:#fff;
}

.hero-aside{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.panel-card{
  background:linear-gradient(180deg, rgba(14,21,37,.92), rgba(10,16,29,.92));
  border:1px solid rgba(167,187,220,.14);
  border-radius:22px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  padding:14px;
}
.stat{
  padding:14px 12px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.05);
}
.stat strong{
  display:block;
  font-size:1.45rem;
  line-height:1.1;
  margin-bottom:4px;
  color:#fff;
}
.stat span{
  display:block;
  color:var(--muted);
  font-size:.86rem;
}
.hero-side-copy{
  padding:0 16px 16px;
}
.hero-side-copy h3{
  margin:0 0 8px;
  font-size:1.08rem;
}
.hero-side-copy p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
}
.hero-cover{
  margin:0 14px 14px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(167,187,220,.12);
  background:rgba(255,255,255,.03);
}
.hero-cover img{
  aspect-ratio:16/10;
  object-fit:cover;
  width:100%;
}
.hero-cover .caption{
  padding:12px 14px 14px;
  color:#dbe6fb;
  font-size:.94rem;
}
.section{
  padding:22px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}
.section-head h2{
  margin:0;
  font-size:clamp(1.35rem, 2.2vw, 2.1rem);
  line-height:1.2;
}
.section-head p{
  margin:0;
  max-width:42rem;
  color:var(--muted);
}
.section-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#dffaf4;
  font-size:.9rem;
}
.section-badge::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 5px rgba(243,182,75,.12);
}

.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}
.filter-btn{
  height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(167,187,220,.16);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  transition:transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
.filter-btn:hover{
  transform:translateY(-1px);
  color:#fff;
  border-color:rgba(52,231,198,.28);
}
.filter-btn.active{
  color:#061018;
  background:linear-gradient(135deg, var(--accent), #83f5ea);
  border-color:transparent;
}

.feature-layout{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(280px,.85fr);
  gap:18px;
}
.cards-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.topic-card{
  background:linear-gradient(180deg, rgba(16,24,43,.96), rgba(11,16,29,.96));
  border:1px solid rgba(167,187,220,.14);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, filter .22s ease;
  min-height:100%;
}
.topic-card:hover{
  transform:translateY(-4px);
  border-color:rgba(52,231,198,.26);
  box-shadow:0 20px 40px rgba(0,0,0,.38);
}
.topic-media{
  position:relative;
  overflow:hidden;
  background:#0f1628;
}
.topic-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transform:scale(1.01);
  transition:transform .35s ease, filter .35s ease;
  filter:saturate(.94) contrast(1.02);
}
.topic-card:hover .topic-media img{
  transform:scale(1.05);
  filter:saturate(1.04) brightness(1.03);
}
.topic-body{
  padding:18px;
}
.topic-topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:12px;
}
.topic-labels{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:.76rem;
  letter-spacing:.2px;
  border:1px solid rgba(167,187,220,.14);
  color:#dbe6fb;
  background:rgba(255,255,255,.03);
}
.badge.highlight{
  border-color:rgba(243,182,75,.32);
  background:rgba(243,182,75,.11);
  color:#ffd98e;
}
.topic-body h3{
  margin:0 0 10px;
  font-size:1.15rem;
  line-height:1.35;
}
.topic-body p{
  margin:0 0 16px;
  color:var(--muted);
  font-size:.96rem;
}
.topic-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  color:var(--muted-2);
  font-size:.84rem;
}
.topic-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#dffaf4;
  font-weight:700;
}
.topic-link::after{
  content:"→";
  transition:transform .2s ease;
}
.topic-card:hover .topic-link::after{
  transform:translateX(3px);
}

.side-panel{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.aside-card{
  padding:18px;
  border-radius:22px;
  border:1px solid rgba(167,187,220,.14);
  background:linear-gradient(180deg, rgba(14,21,37,.96), rgba(11,16,29,.96));
  box-shadow:var(--shadow-soft);
}
.aside-card h3{
  margin:0 0 10px;
  font-size:1.08rem;
}
.aside-card p{
  margin:0;
  color:var(--muted);
}
.keyword-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.keyword{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(167,187,220,.12);
  background:rgba(255,255,255,.03);
  color:#d9e4fb;
  font-size:.88rem;
}
.info-list{
  margin:14px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
}
.info-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:#dce5fa;
}
.info-list li::before{
  content:"";
  width:10px;
  height:10px;
  margin-top:7px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--accent), #86fff0);
  box-shadow:0 0 0 4px rgba(52,231,198,.1);
  flex:0 0 auto;
}
.note-box{
  margin-top:14px;
  padding:14px;
  border-radius:16px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(167,187,220,.12);
  color:var(--muted);
  font-size:.92rem;
}

.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.timeline-item{
  position:relative;
  padding:18px;
  border-radius:20px;
  background:linear-gradient(180deg, rgba(15,22,40,.95), rgba(10,15,28,.96));
  border:1px solid rgba(167,187,220,.14);
  box-shadow:var(--shadow-soft);
}
.timeline-item::before{
  content:"";
  position:absolute;
  top:18px;
  left:18px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--accent), #8ef8ea);
  box-shadow:0 0 0 5px rgba(52,231,198,.12);
}
.timeline-item strong{
  display:block;
  padding-left:22px;
  font-size:1rem;
  margin-bottom:10px;
}
.timeline-item p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
}
.timeline-item.active{
  border-color:rgba(52,231,198,.3);
  background:linear-gradient(180deg, rgba(19,31,53,.98), rgba(9,14,26,.98));
}

.updates-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:18px;
}
.update-list{
  display:grid;
  gap:14px;
}
.update-row{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:16px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(167,187,220,.12);
}
.update-date{
  flex:0 0 auto;
  min-width:82px;
  padding:8px 10px;
  border-radius:14px;
  text-align:center;
  background:rgba(52,231,198,.12);
  color:#dffaf4;
  border:1px solid rgba(52,231,198,.18);
  font-size:.86rem;
  line-height:1.25;
}
.update-row h3{
  margin:0 0 6px;
  font-size:1rem;
}
.update-row p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:14px;
}
.metric{
  padding:14px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(167,187,220,.12);
}
.metric strong{
  display:block;
  font-size:1.25rem;
  margin-bottom:4px;
}
.metric span{
  color:var(--muted);
  font-size:.9rem;
}
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
details.faq-item{
  border-radius:18px;
  border:1px solid rgba(167,187,220,.14);
  background:linear-gradient(180deg, rgba(15,22,40,.95), rgba(10,15,28,.96));
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
details.faq-item[open]{
  border-color:rgba(52,231,198,.28);
}
details.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 18px 16px;
  font-weight:700;
  position:relative;
}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{
  content:"+";
  position:absolute;
  right:18px;
  top:16px;
  color:var(--muted);
  font-size:1.2rem;
}
details.faq-item[open] summary::after{
  content:"–";
  color:#fff;
}
details.faq-item .faq-body{
  padding:0 18px 18px;
  color:var(--muted);
}
.cta{
  padding:12px 0 28px;
}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  padding:28px;
  border:1px solid rgba(167,187,220,.14);
  background:
    linear-gradient(135deg, rgba(14,21,38,.98), rgba(10,15,28,.96)),
    radial-gradient(650px 260px at 10% 10%, rgba(52,231,198,.16), transparent 52%);
  box-shadow:var(--shadow);
}
.cta-box::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(400px 140px at 88% 30%, rgba(243,182,75,.16), transparent 70%),
    radial-gradient(300px 120px at 25% 100%, rgba(127,140,255,.12), transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.cta-copy h2{
  margin:0 0 10px;
  font-size:clamp(1.5rem, 2.5vw, 2.2rem);
}
.cta-copy p{
  margin:0;
  color:var(--muted);
  max-width:56rem;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex:0 0 auto;
}

.footer{
  margin-top:8px;
  padding:34px 0 24px;
  border-top:1px solid rgba(167,187,220,.12);
  background:linear-gradient(180deg, rgba(7,11,20,.22), rgba(6,9,16,.72));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr;
  gap:22px;
  padding-bottom:20px;
}
.footer h3{
  margin:0 0 12px;
  font-size:1.05rem;
}
.footer p{
  margin:0;
  color:var(--muted);
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:#dbe6fb;
  width:fit-content;
}
.footer-links a:hover{
  color:var(--accent);
}
.copyright{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:16px;
  border-top:1px solid rgba(167,187,220,.12);
  color:var(--muted-2);
  font-size:.92rem;
}

.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.mt-0{margin-top:0}

@media (max-width: 1200px){
  .hero-grid{grid-template-columns:1fr}
  .feature-layout{grid-template-columns:1fr}
  .updates-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 992px){
  .header-inner{height:auto; padding:14px 0; align-items:flex-start; flex-direction:column}
  .nav{width:100%}
  .nav-list{flex-wrap:wrap}
  .hero-grid{padding:24px}
  .cards-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 768px){
  .hero{padding-top:18px}
  .hero h1{font-size:clamp(1.8rem, 8vw, 2.5rem)}
  .hero p{font-size:.98rem}
  .search-box{flex-direction:column}
  .search-box input,.search-box button{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .cta-inner{flex-direction:column; align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width: 576px){
  .container{width:min(var(--container), calc(100% - 24px))}
  .hero-grid{padding:18px}
  .topic-body,.aside-card,.update-row,.cta-box{padding:16px}
  .topic-card{border-radius:18px}
  .brand-text strong{font-size:.98rem}
  .nav-list a{height:38px; padding:0 12px}
  .section-head{flex-direction:column; align-items:flex-start}
  .metric-grid{grid-template-columns:1fr}
}