/* roulang page: index */
:root{
      --bg:#0c1110;
      --bg-2:#111817;
      --panel:#151e1c;
      --panel-2:#1b2523;
      --card:#16201d;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(122,255,212,.18);
      --text:#eef5f2;
      --muted:#9fb0aa;
      --soft:#c7d3cf;
      --accent:#6ef0c2;
      --accent-2:#f6b85a;
      --danger:#ff6d6d;
      --shadow:0 18px 50px rgba(0,0,0,.32);
      --shadow-soft:0 10px 24px rgba(0,0,0,.2);
      --radius:18px;
      --radius-sm:14px;
      --radius-xs:10px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --gap-xs:10px;
      --transition:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(110,240,194,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(246,184,90,.08), transparent 26%),
        linear-gradient(180deg, #0a0e0d 0%, #0e1413 38%, #0b1010 100%);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(110,240,194,.3);color:#fff}
    .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:rgba(10,15,14,.72);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.2px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:
        linear-gradient(135deg, rgba(110,240,194,.98), rgba(246,184,90,.92));
      color:#08100f;
      box-shadow:0 12px 28px rgba(110,240,194,.16);
      flex:0 0 auto;
      font-weight:900;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-text strong{
      font-size:1rem;
      line-height:1.1;
    }
    .brand-text span{
      color:var(--muted);
      font-size:.82rem;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1;
      justify-content:center;
    }
    .nav a{
      position:relative;
      padding:10px 14px;
      color:#d9e4e0;
      border-radius:999px;
      transition:var(--transition);
      font-size:.96rem;
      border:1px solid transparent;
    }
    .nav a:hover,
    .nav a:focus-visible{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-1px);
      outline:none;
    }
    .nav a.active{
      background:rgba(110,240,194,.12);
      border-color:rgba(110,240,194,.24);
      color:#effff9;
      box-shadow:0 10px 20px rgba(110,240,194,.06);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .search{
      position:relative;
      width:280px;
      max-width:36vw;
    }
    .search input{
      width:100%;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-radius:999px;
      padding:12px 16px 12px 42px;
      outline:none;
      transition:var(--transition);
    }
    .search input::placeholder{color:#8ea09a}
    .search input:focus{
      border-color:rgba(110,240,194,.36);
      box-shadow:0 0 0 4px rgba(110,240,194,.08);
      background:rgba(255,255,255,.06);
    }
    .search svg{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      width:18px;height:18px;
      opacity:.7;
    }
    .icon-btn,
    .primary-btn,
    .ghost-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:12px;
      border:1px solid transparent;
      cursor:pointer;
      transition:var(--transition);
      font-weight:700;
      padding:12px 18px;
      min-height:44px;
      user-select:none;
    }
    .primary-btn{
      background:linear-gradient(135deg, var(--accent), #8af6d0);
      color:#071110;
      box-shadow:0 14px 30px rgba(110,240,194,.12);
    }
    .primary-btn:hover,
    .primary-btn:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(110,240,194,.18);
      outline:none;
    }
    .ghost-btn,
    .icon-btn{
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-color:rgba(255,255,255,.08);
    }
    .ghost-btn:hover,
    .icon-btn:hover,
    .ghost-btn:focus-visible,
    .icon-btn:focus-visible{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.14);
      transform:translateY(-1px);
      outline:none;
    }
    .menu-toggle{
      display:none;
      padding:0 14px;
      min-width:44px;
    }
    .hero{
      position:relative;
      padding:30px 0 20px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(8,12,11,.76), rgba(8,12,11,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 70% 25%, rgba(110,240,194,.18), transparent 30%),
        radial-gradient(circle at 88% 78%, rgba(246,184,90,.12), transparent 26%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      padding:38px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
      padding-right:10px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 12px;
      border-radius:999px;
      color:#dbfff4;
      background:rgba(110,240,194,.12);
      border:1px solid rgba(110,240,194,.18);
      font-size:.84rem;
      letter-spacing:.2px;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 4.1rem);
      line-height:1.08;
      letter-spacing:-.02em;
      font-weight:800;
      max-width:12ch;
    }
    .hero p{
      margin:0;
      max-width:62ch;
      color:#d5e1dc;
      font-size:1.02rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:6px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#dfeae6;
      font-size:.88rem;
      line-height:1;
      white-space:nowrap;
    }
    .tag.hot{
      border-color:rgba(255,109,109,.24);
      background:rgba(255,109,109,.08);
      color:#ffd4d4;
    }
    .tag.accent{
      border-color:rgba(110,240,194,.24);
      background:rgba(110,240,194,.08);
      color:#d6fff3;
    }
    .hero-showcase{
      display:grid;
      grid-template-rows:auto 1fr;
      gap:16px;
      min-height:100%;
    }
    .showcase-main{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      min-height:322px;
      background:#101816;
      box-shadow:var(--shadow-soft);
    }
    .showcase-main img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.88;
    }
    .showcase-overlay{
      position:absolute;
      inset:0;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:18px;
      background:linear-gradient(180deg, rgba(12,17,16,.06), rgba(12,17,16,.72));
    }
    .overlay-top,
    .overlay-bottom{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:flex-start;
      flex-wrap:wrap;
    }
    .glass{
      padding:12px 14px;
      border-radius:16px;
      background:rgba(9,14,13,.56);
      border:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }
    .glass strong{
      display:block;
      font-size:1.02rem;
      margin-bottom:4px;
    }
    .glass span{
      color:#b9c8c3;
      font-size:.88rem;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(24,33,31,.95), rgba(16,24,22,.96));
      padding:16px;
      min-height:126px;
    }
    .mini-card::after{
      content:"";
      position:absolute;
      inset:auto -20px -22px auto;
      width:88px;
      height:88px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(110,240,194,.14), transparent 68%);
      pointer-events:none;
    }
    .mini-card .kicker{
      color:var(--accent);
      font-size:.82rem;
      margin-bottom:8px;
      letter-spacing:.3px;
    }
    .mini-card .num{
      font-size:1.8rem;
      font-weight:800;
      line-height:1;
      margin:0 0 8px;
    }
    .mini-card p{
      margin:0;
      color:#b6c4bf;
      font-size:.92rem;
      line-height:1.55;
    }
    .section{
      padding:24px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
      flex-wrap:wrap;
    }
    .section-title{
      margin:0;
      font-size:1.56rem;
      line-height:1.15;
      font-weight:800;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      max-width:68ch;
      font-size:.96rem;
    }
    .section-link{
      color:#dffef4;
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-weight:700;
      transition:var(--transition);
    }
    .section-link:hover{color:#fff;transform:translateX(2px)}
    .feature-layout{
      display:grid;
      grid-template-columns:1.3fr .7fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .focus-card,
    .side-stack > article,
    .topic-card,
    .content-card,
    .note-card,
    .faq-wrap,
    .subscribe-card{
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(22,32,29,.96), rgba(16,23,22,.96));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .focus-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:.98fr 1.02fr;
      min-height:340px;
    }
    .focus-media{
      position:relative;
      min-height:100%;
      background:#0f1514;
    }
    .focus-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.02);
    }
    .focus-body{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:16px;
    }
    .focus-body h3,
    .topic-card h3,
    .content-body h3,
    .note-card h3{
      margin:0;
      line-height:1.22;
      font-size:1.22rem;
      font-weight:800;
    }
    .focus-body p,
    .topic-card p,
    .content-body p,
    .note-card p{
      margin:0;
      color:#b9c8c3;
      line-height:1.62;
      font-size:.96rem;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:auto;
    }
    .stat-list{
      display:grid;
      gap:14px;
    }
    .stat-box{
      padding:18px;
      border-radius:var(--radius);
      background:
        linear-gradient(180deg, rgba(27,37,35,.98), rgba(18,26,24,.98));
      border:1px solid rgba(255,255,255,.08);
    }
    .stat-box .label{
      color:#b9c8c3;
      font-size:.86rem;
      margin-bottom:10px;
    }
    .stat-box strong{
      display:block;
      font-size:1.75rem;
      line-height:1;
      margin-bottom:8px;
      letter-spacing:-.03em;
    }
    .stat-box small{
      color:var(--muted);
      font-size:.9rem;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:var(--gap);
    }
    .topic-card{
      padding:18px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      gap:12px;
      position:relative;
      overflow:hidden;
      transition:var(--transition);
    }
    .topic-card:hover,
    .content-card:hover,
    .focus-card:hover,
    .mini-card:hover,
    .note-card:hover,
    .subscribe-card:hover{
      transform:translateY(-3px);
      border-color:rgba(110,240,194,.18);
      box-shadow:0 20px 36px rgba(0,0,0,.28);
    }
    .topic-card::before{
      content:"";
      position:absolute;
      right:-18px;
      top:-18px;
      width:110px;
      height:110px;
      background:radial-gradient(circle, rgba(110,240,194,.14), transparent 62%);
      pointer-events:none;
    }
    .topic-icon{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(110,240,194,.12);
      color:#c5fff0;
      border:1px solid rgba(110,240,194,.18);
      font-weight:800;
      letter-spacing:.02em;
    }
    .topic-card ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
      color:#c5d2ce;
      font-size:.92rem;
    }
    .topic-card li{
      display:flex;
      gap:8px;
      align-items:flex-start;
    }
    .topic-card li::before{
      content:"";
      width:7px;height:7px;
      margin-top:8px;
      border-radius:50%;
      background:var(--accent);
      flex:0 0 auto;
      box-shadow:0 0 0 4px rgba(110,240,194,.12);
    }
    .topic-wide{
      grid-column:span 2;
      padding:20px;
      background:
        linear-gradient(180deg, rgba(26,37,34,.98), rgba(17,25,23,.98)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .topic-wide .overlay{
      background:linear-gradient(180deg, rgba(10,14,13,.1), rgba(10,14,13,.82));
      border-radius:16px;
      padding:18px;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      gap:10px;
    }
    .filter-bar{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-bottom:18px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#dce7e3;
      font-size:.9rem;
      white-space:nowrap;
    }
    .chip.active{
      background:rgba(110,240,194,.12);
      border-color:rgba(110,240,194,.24);
      color:#effff9;
    }
    .content-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:var(--gap);
    }
    .content-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .content-media{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#0f1514;
    }
    .content-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .36s ease;
    }
    .content-card:hover .content-media img{transform:scale(1.04)}
    .content-body{
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .content-body h3{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:2.55em;
    }
    .content-body p{
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:4.6em;
    }
    .meta-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      color:#95a8a2;
      font-size:.85rem;
    }
    .meta-row span{
      display:inline-flex;
      align-items:center;
      gap:5px;
    }
    .data-panel{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .note-card{
      padding:22px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .timeline{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .timeline li{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:14px;
      align-items:start;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .timeline li:last-child{border-bottom:none;padding-bottom:0}
    .timeline .time{
      color:#d9e4e0;
      font-weight:700;
      font-size:.92rem;
    }
    .timeline .desc{
      color:#b8c7c2;
      font-size:.94rem;
      line-height:1.6;
    }
    .faq-wrap{
      padding:8px 18px;
    }
    .faq-item{
      border-bottom:1px solid rgba(255,255,255,.06);
      padding:12px 0;
    }
    .faq-item:last-child{border-bottom:none}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      font-weight:700;
      color:#eef5f2;
      position:relative;
      padding-right:28px;
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      position:absolute;
      right:0;
      top:0;
      color:var(--accent);
      font-size:1.2rem;
      line-height:1;
      transition:var(--transition);
    }
    .faq-item[open] summary::after{content:"—"}
    .faq-item p{
      margin:10px 0 0;
      color:#b6c4bf;
      line-height:1.7;
    }
    .subscribe-card{
      padding:24px;
      background:
        radial-gradient(circle at right top, rgba(110,240,194,.09), transparent 36%),
        linear-gradient(180deg, rgba(22,32,29,.96), rgba(16,23,22,.96));
    }
    .subscribe-form{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:8px;
    }
    .subscribe-form input{
      flex:1 1 280px;
      min-height:48px;
      padding:0 16px;
      border-radius:12px;
      background:rgba(255,255,255,.04);
      color:var(--text);
      border:1px solid rgba(255,255,255,.08);
      outline:none;
      transition:var(--transition);
    }
    .subscribe-form input::placeholder{color:#8da19a}
    .subscribe-form input:focus{
      border-color:rgba(110,240,194,.34);
      box-shadow:0 0 0 4px rgba(110,240,194,.08);
      background:rgba(255,255,255,.06);
    }
    .subscribe-note{
      color:var(--muted);
      font-size:.9rem;
      margin-top:10px;
    }
    .site-footer{
      margin-top:24px;
      padding:28px 0 40px;
      border-top:1px solid rgba(255,255,255,.06);
      background:linear-gradient(180deg, rgba(10,15,14,.12), rgba(10,15,14,.5));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:var(--gap);
      align-items:start;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:1rem;
      font-weight:800;
    }
    .footer-col p,
    .footer-col li,
    .footer-col a{
      color:#b7c6c1;
      font-size:.92rem;
    }
    .footer-col ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .footer-col a:hover{color:#ffffff}
    .copyright{
      margin-top:18px;
      padding-top:18px;
      display:flex;
      gap:12px;
      justify-content:space-between;
      flex-wrap:wrap;
      color:#90a39d;
      font-size:.88rem;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .to-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;
      height:48px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(16,23,22,.84);
      color:#effff9;
      display:grid;
      place-items:center;
      box-shadow:var(--shadow-soft);
      opacity:0;
      visibility:hidden;
      transform:translateY(12px);
      transition:var(--transition);
      z-index:40;
    }
    .to-top.show{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .sr-only{
      position:absolute!important;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }
    .section-spacing{margin-top:4px}
    @media (max-width: 1120px){
      .topic-grid,
      .content-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .feature-layout,
      .data-panel,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .focus-card{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 920px){
      .header-inner{flex-wrap:wrap;padding:12px 0}
      .nav{
        display:none;
        order:4;
        width:100%;
        justify-content:flex-start;
        padding:0 0 6px;
        overflow:auto;
        scrollbar-width:none;
      }
      .nav::-webkit-scrollbar{display:none}
      .nav.open{display:flex}
      .search{width:min(100%, 360px);max-width:100%}
      .menu-toggle{display:inline-flex}
      .hero-inner{grid-template-columns:1fr; padding:24px}
      .hero h1{max-width:none}
      .mini-grid{grid-template-columns:1fr 1fr}
      .topic-wide{grid-column:span 2}
    }
    @media (max-width: 680px){
      .container{width:min(calc(100% - 20px), var(--container))}
      .hero{padding-top:16px}
      .hero-panel{border-radius:22px}
      .hero-inner{padding:18px}
      .showcase-main{min-height:260px}
      .mini-grid,
      .topic-grid,
      .content-grid{
        grid-template-columns:1fr;
      }
      .topic-wide{grid-column:span 1}
      .section-title{font-size:1.28rem}
      .timeline li{grid-template-columns:1fr; gap:6px}
      .subscribe-form input,
      .subscribe-form button{width:100%}
      .header-tools{width:100%;justify-content:space-between}
      .search{max-width:none}
      .brand-text span{display:none}
      .hero-actions .ghost-btn,
      .hero-actions .primary-btn{flex:1 1 160px}
    }
    @media (max-width: 520px){
      .header-inner{gap:12px}
      .brand{gap:10px}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .nav a{padding:10px 12px;font-size:.92rem}
      .hero h1{font-size:1.9rem}
      .hero p{font-size:.95rem}
      .hero-meta,.filter-bar{gap:8px}
      .tag,.chip{font-size:.84rem}
      .focus-body,.note-card,.subscribe-card,.topic-card,.content-body{padding:16px}
      .glass{padding:10px 12px}
      .overlay-top,.overlay-bottom{gap:8px}
      .copyright{flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --bg:#0b1014;
      --bg-2:#10171d;
      --surface:#121a21;
      --surface-2:#17212a;
      --surface-3:#1d2831;
      --text:#ecf3f7;
      --muted:#9db0bb;
      --soft:#78909c;
      --line:rgba(255,255,255,.09);
      --line-2:rgba(74,227,180,.18);
      --primary:#43e6c5;
      --primary-2:#1dd3a7;
      --accent:#f2a64a;
      --danger:#ff5c73;
      --shadow:0 18px 40px rgba(0,0,0,.34);
      --shadow-soft:0 10px 28px rgba(0,0,0,.22);
      --radius:16px;
      --radius-sm:12px;
      --radius-lg:22px;
      --container:1180px;
      --gap:24px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      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(67,230,197,.14), transparent 28%),
        radial-gradient(circle at right top, rgba(242,166,74,.12), transparent 22%),
        linear-gradient(180deg, #0a0f13 0%, #0b1014 46%, #091015 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    img{
      display:block;
      max-width:100%;
      height:auto;
    }
    button,input,textarea,select{
      font:inherit;
    }
    button{
      cursor:pointer;
    }
    ::selection{
      background:rgba(67,230,197,.28);
      color:#fff;
    }
    .container{
      width:min(100% - 32px, var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px);
      background:rgba(10,15,19,.82);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(145deg, rgba(67,230,197,.26), rgba(242,166,74,.16)),
        linear-gradient(180deg, #131b21, #0e1418);
      border:1px solid rgba(67,230,197,.22);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
      color:var(--primary);
      font-size:12px;
      text-transform:uppercase;
    }
    .brand-text{
      font-size:17px;
      line-height:1.15;
    }
    .brand-sub{
      display:block;
      font-size:12px;
      font-weight:500;
      color:var(--muted);
      margin-top:2px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:10px;
      flex:1;
    }
    .site-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      border-color:rgba(67,230,197,.24);
      background:rgba(255,255,255,.03);
      box-shadow:0 0 0 4px rgba(67,230,197,.07);
      outline:none;
    }
    .site-nav a.active{
      color:#0d1a18;
      background:linear-gradient(135deg, var(--primary), #8bf0d8);
      border-color:transparent;
      box-shadow:0 12px 24px rgba(67,230,197,.18);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      position:relative;
      width:min(280px, 26vw);
    }
    .search-box input{
      width:100%;
      min-height:42px;
      padding:0 42px 0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      outline:none;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .search-box input::placeholder{color:#80909a}
    .search-box input:focus{
      border-color:rgba(67,230,197,.42);
      box-shadow:0 0 0 4px rgba(67,230,197,.09);
      background:rgba(255,255,255,.05);
    }
    .search-icon{
      position:absolute;
      right:14px;
      top:50%;
      transform:translateY(-50%);
      color:var(--soft);
      font-size:14px;
      pointer-events:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:12px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--primary), #9df4e3);
      color:#07110e;
      box-shadow:0 14px 28px rgba(67,230,197,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 16px 32px rgba(67,230,197,.24);
    }
    .btn-outline{
      color:var(--text);
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
    }
    .btn-outline:hover,
    .btn-outline:focus-visible{
      border-color:rgba(242,166,74,.3);
      background:rgba(242,166,74,.08);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      align-items:center;
      justify-content:center;
    }
    .nav-toggle span{
      position:relative;
      width:18px;
      height:2px;
      background:currentColor;
      border-radius:2px;
    }
    .nav-toggle span::before,
    .nav-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;
      height:2px;
      background:currentColor;
      border-radius:2px;
      transition:transform var(--transition), top var(--transition), opacity var(--transition);
    }
    .nav-toggle span::before{top:-6px}
    .nav-toggle span::after{top:6px}
    .header-nav-open .nav-toggle span{background:transparent}
    .header-nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
    .header-nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
    .hero{
      position:relative;
      padding:28px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.09);
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(13,18,22,.26), rgba(10,14,18,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 15% 20%, rgba(67,230,197,.18), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(242,166,74,.16), transparent 28%),
        linear-gradient(135deg, rgba(7,11,14,.55), transparent 52%, rgba(7,11,14,.36));
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:rgba(236,243,247,.78);
      font-size:13px;
      margin-bottom:14px;
    }
    .crumbs a{
      color:var(--muted);
    }
    .crumbs a:hover{
      color:var(--primary);
    }
    .crumbs .sep{
      color:#6d7c85;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(67,230,197,.18);
      background:rgba(67,230,197,.08);
      color:#aef6e8;
      font-size:12px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:16px;
    }
    .hero h1{
      margin:0;
      font-size:clamp(32px, 4vw, 54px);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:12ch;
    }
    .hero-lead{
      margin:18px 0 0;
      max-width:62ch;
      color:#dbe6eb;
      font-size:16px;
      line-height:1.85;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
      color:#d8e5ea;
      font-size:13px;
    }
    .badge strong{
      color:var(--primary);
      font-weight:800;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-side{
      display:grid;
      gap:16px;
      align-content:start;
    }
    .hero-visual{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
    }
    .hero-visual img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      filter:saturate(1.04) contrast(1.05);
    }
    .hero-visual figcaption{
      position:absolute;
      left:16px;
      right:16px;
      bottom:16px;
      padding:14px 14px 13px;
      border-radius:16px;
      background:linear-gradient(180deg, rgba(11,16,20,.12), rgba(11,16,20,.86));
      border:1px solid rgba(255,255,255,.08);
      color:#f0f6f9;
      font-weight:700;
      line-height:1.45;
      backdrop-filter:blur(6px);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .metric{
      padding:16px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .metric .num{
      display:block;
      font-size:26px;
      font-weight:800;
      line-height:1;
      color:#fff;
      margin-bottom:8px;
    }
    .metric .txt{
      color:var(--muted);
      font-size:13px;
      line-height:1.45;
    }
    .section{
      padding:26px 0 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:24px;
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      max-width:68ch;
    }
    .section-link{
      color:var(--primary);
      font-weight:700;
      white-space:nowrap;
    }
    .focus-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:16px;
      align-items:stretch;
    }
    .focus-card{
      overflow:hidden;
      position:relative;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      min-height:100%;
    }
    .focus-card:hover{
      transform:translateY(-2px);
      border-color:rgba(67,230,197,.18);
    }
    .focus-card .cover{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
    }
    .focus-card .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .focus-card:hover .cover img{
      transform:scale(1.03);
    }
    .focus-card .body{
      padding:18px;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      color:#d9e6eb;
      font-size:12px;
      background:rgba(255,255,255,.03);
    }
    .chip.hot{
      border-color:rgba(255,92,115,.28);
      color:#ffd3da;
      background:rgba(255,92,115,.08);
    }
    .focus-card h3,
    .article-card h3,
    .list-link h4,
    .side-card h3{
      margin:0;
      line-height:1.35;
      letter-spacing:-.01em;
    }
    .focus-card h3{
      font-size:19px;
    }
    .focus-card p,
    .article-card p,
    .side-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .mini-stack{
      display:grid;
      gap:16px;
    }
    .mini-card{
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.09);
      background:
        radial-gradient(circle at top right, rgba(67,230,197,.08), transparent 38%),
        rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
      min-height:calc(50% - 8px);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .mini-card h3{
      font-size:18px;
    }
    .mini-card .meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
      color:#aebdc7;
      font-size:12px;
    }
    .stat-row{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:12px;
    }
    .stat-item{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .stat-item .k{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-bottom:5px;
    }
    .stat-item .v{
      font-size:18px;
      font-weight:800;
    }
    .topic-band{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:16px;
    }
    .panel{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
    }
    .panel h3{
      margin:0;
      font-size:20px;
    }
    .panel p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .timeline{
      margin-top:16px;
      display:grid;
      gap:12px;
    }
    .timeline-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .timeline-time{
      min-width:72px;
      padding:6px 10px;
      border-radius:999px;
      text-align:center;
      color:#0b1411;
      background:linear-gradient(135deg, #89efd9, #43e6c5);
      font-size:12px;
      font-weight:800;
    }
    .timeline-content strong{
      display:block;
      margin-bottom:4px;
      font-size:14px;
    }
    .timeline-content span{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .filters{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .filters .filter-chip{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#d7e5ea;
      font-size:13px;
      white-space:nowrap;
      transition:all var(--transition);
    }
    .filters .filter-chip.active{
      color:#08120f;
      background:linear-gradient(135deg, var(--primary), #95f1de);
      border-color:transparent;
      font-weight:800;
      box-shadow:0 10px 20px rgba(67,230,197,.16);
    }
    .filters .filter-chip:hover,
    .filters .filter-chip:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(67,230,197,.24);
      box-shadow:0 0 0 4px rgba(67,230,197,.06);
      outline:none;
    }
    .list-layout{
      display:grid;
      grid-template-columns:minmax(0,1.45fr) minmax(280px,.72fr);
      gap:18px;
      align-items:start;
    }
    .article-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .article-card{
      overflow:hidden;
      border-radius:22px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .article-card:hover{
      transform:translateY(-2px);
      border-color:rgba(67,230,197,.18);
      box-shadow:0 14px 30px rgba(0,0,0,.28);
    }
    .article-card .thumb{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
    }
    .article-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .article-card:hover .thumb img{
      transform:scale(1.04);
    }
    .article-card .content{
      padding:16px 16px 18px;
    }
    .article-card h3{
      font-size:17px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:47px;
    }
    .article-card p{
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:73px;
    }
    .meta-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
      color:#9eb0ba;
      font-size:12px;
    }
    .meta-row .dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:#61727a;
    }
    .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:14px;
    }
    .card-link{
      color:var(--primary);
      font-weight:700;
      font-size:13px;
    }
    .sidebar{
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
    }
    .side-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .list-link{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .list-link:hover{
      border-color:rgba(242,166,74,.22);
      background:rgba(242,166,74,.06);
    }
    .list-link .flag{
      min-width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(67,230,197,.1);
      color:var(--primary);
      font-weight:800;
      font-size:12px;
      margin-top:2px;
    }
    .list-link h4{
      font-size:14px;
      margin:0 0 4px;
    }
    .list-link p{
      margin:0;
      font-size:12px;
      color:var(--muted);
      line-height:1.6;
    }
    .calendar{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .calendar-item{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.07);
      background:rgba(255,255,255,.03);
    }
    .calendar-item strong{
      display:block;
      font-size:14px;
    }
    .calendar-item span{
      color:var(--muted);
      font-size:12px;
    }
    .calendar-item em{
      font-style:normal;
      color:var(--accent);
      font-weight:800;
      white-space:nowrap;
    }
    .pagination{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
      margin-top:20px;
    }
    .page-btn{
      min-width:42px;
      height:42px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      color:var(--text);
      padding:0 14px;
    }
    .page-btn.active{
      background:linear-gradient(135deg, var(--primary), #99f2df);
      color:#06110e;
      font-weight:800;
      border-color:transparent;
    }
    .page-btn:hover{
      border-color:rgba(67,230,197,.24);
      transform:translateY(-1px);
    }
    .faq-grid{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      min-width:26px;
      height:26px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(67,230,197,.1);
      color:var(--primary);
      flex-shrink:0;
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(242,166,74,.12);
      color:#ffd6a8;
    }
    .faq-item .faq-body{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .cta-box{
      margin:28px 0 8px;
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(67,230,197,.16);
      background:
        linear-gradient(135deg, rgba(67,230,197,.11), rgba(242,166,74,.08)),
        rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
    }
    .cta-box h2{
      margin:0;
      font-size:24px;
      line-height:1.25;
    }
    .cta-box p{
      margin:10px 0 0;
      color:#d6e3e8;
      max-width:70ch;
    }
    .subscribe{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .subscribe input{
      min-width:260px;
      min-height:46px;
      padding:0 14px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(11,16,20,.56);
      color:var(--text);
      outline:none;
    }
    .subscribe input:focus{
      border-color:rgba(67,230,197,.36);
      box-shadow:0 0 0 4px rgba(67,230,197,.08);
    }
    .toast{
      margin-top:12px;
      color:#bff6e8;
      font-size:13px;
      min-height:20px;
    }
    .site-footer{
      margin-top:34px;
      padding:32px 0 24px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(8,12,15,.35), rgba(7,10,13,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
    }
    .footer-col h4{
      margin:0 0 14px;
      font-size:16px;
    }
    .footer-col p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-col ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-col a{
      color:#d5e2e8;
    }
    .footer-col a:hover{
      color:var(--primary);
    }
    .copyright{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:#8fa3ad;
      font-size:12px;
    }
    .page-note{
      margin-top:12px;
      color:#8fa3ad;
      font-size:12px;
    }
    .mobile-only{display:none}
    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }
    @media (max-width: 1024px){
      .hero-inner,
      .list-layout,
      .topic-band{
        grid-template-columns:1fr;
      }
      .hero h1{
        max-width:16ch;
      }
      .search-box{
        width:min(240px, 30vw);
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width: 768px){
      .header-inner{
        flex-wrap:wrap;
        padding:12px 0;
      }
      .nav-toggle{
        display:inline-flex;
        margin-left:auto;
      }
      .site-nav{
        display:none;
        width:100%;
        order:4;
        padding:8px 0 2px;
        margin-left:0;
        overflow-x:auto;
      }
      .header-nav-open .site-nav{
        display:flex;
      }
      .header-tools{
        width:100%;
        justify-content:space-between;
      }
      .search-box{
        width:100%;
        flex:1;
      }
      .hero-inner{
        padding:22px;
        gap:20px;
      }
      .hero h1{
        max-width:100%;
      }
      .hero-metrics,
      .article-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .focus-grid{
        grid-template-columns:1fr;
      }
      .mini-stack{
        grid-template-columns:1fr 1fr;
      }
      .cta-box{
        grid-template-columns:1fr;
      }
      .subscribe{
        justify-content:flex-start;
      }
      .subscribe input{
        min-width:0;
        width:100%;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .filters{
        flex-wrap:nowrap;
        overflow-x:auto;
        padding-bottom:2px;
        -webkit-overflow-scrolling:touch;
      }
      .filters .filter-chip{
        flex:0 0 auto;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(100% - 20px, var(--container));
      }
      .hero{
        padding-top:18px;
      }
      .hero-inner{
        padding:18px;
      }
      .hero h1{
        font-size:30px;
      }
      .hero-lead,
      .section-desc,
      .panel p,
      .cta-box p{
        font-size:14px;
      }
      .mini-stack{
        grid-template-columns:1fr;
      }
      .btn,
      .site-nav a,
      .filters .filter-chip{
        min-height:42px;
      }
      .focus-card h3,
      .mini-card h3,
      .section-title,
      .cta-box h2{
        font-size:20px;
      }
      .copyright{
        flex-direction:column;
        align-items:flex-start;
      }
    }