/* roulang page: index */
:root{
      --bg:#101316;
      --bg-2:#171b1f;
      --bg-3:#1f2429;
      --panel:#f6f1e8;
      --panel-2:#ece5da;
      --panel-3:#e2d8ca;
      --text:#15181b;
      --text-soft:#5b646d;
      --text-invert:#f5f7f8;
      --line:rgba(20,27,33,.12);
      --line-strong:rgba(20,27,33,.18);
      --accent:#1fa17a;
      --accent-2:#bf8a38;
      --accent-3:#d7b56a;
      --shadow:0 18px 40px rgba(8,12,15,.12);
      --shadow-soft:0 10px 24px rgba(8,12,15,.08);
      --radius:18px;
      --radius-sm:14px;
      --container:1240px;
      --gap:24px;
      --section:92px;
      --section-mobile:54px;
      --ease:cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 800px at 20% -10%, rgba(31,161,122,.10), transparent 60%),
        radial-gradient(900px 600px at 85% 10%, rgba(191,138,56,.12), transparent 55%),
        linear-gradient(180deg, #0f1316 0%, #111519 16%, #f2ede5 16%, #f7f3ec 100%);
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      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{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(31,161,122,.18);color:#0b1114}
    .skip-link{
      position:absolute;
      left:-999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:16px;
      top:16px;
      width:auto;
      height:auto;
      padding:10px 14px;
      background:var(--panel);
      color:var(--text);
      border-radius:999px;
      z-index:9999;
      box-shadow:var(--shadow-soft);
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:saturate(130%) blur(10px);
      background:rgba(15,19,22,.94);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      min-height:78px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#eef2ec;
      background:
        linear-gradient(145deg, rgba(31,161,122,.94), rgba(191,138,56,.92));
      box-shadow:0 10px 18px rgba(0,0,0,.24);
      flex:0 0 auto;
      font-weight:800;
      letter-spacing:.08em;
    }
    .brand-text{
      min-width:0;
    }
    .brand-text strong{
      display:block;
      color:var(--text-invert);
      font-size:16px;
      line-height:1.2;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      display:block;
      margin-top:3px;
      color:rgba(255,255,255,.64);
      font-size:12px;
      letter-spacing:.04em;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .site-nav a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:rgba(255,255,255,.82);
      font-size:14px;
      font-weight:600;
      transition:transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      background:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-1px);
      outline:none;
    }
    .site-nav a.active{
      background:rgba(31,161,122,.16);
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(31,161,122,.22);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
      box-shadow:0 14px 28px rgba(0,0,0,.14);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent) 0%, #1db389 100%);
      color:#f7fbf8;
      box-shadow:0 12px 24px rgba(31,161,122,.24);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      background:linear-gradient(135deg, #22b388 0%, #22c796 100%);
    }
    .btn-secondary{
      background:rgba(255,255,255,.03);
      color:#fff;
      border-color:rgba(255,255,255,.16);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(255,255,255,.28);
      background:rgba(255,255,255,.08);
    }
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:46px;
      height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.04);
      color:#fff;
    }
    .menu-toggle svg{width:22px;height:22px}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel.is-open{display:block}
    .mobile-panel a{
      display:block;
      padding:13px 2px;
      color:rgba(255,255,255,.9);
      font-weight:700;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .mobile-panel a.active{color:#fff}
    .hero{
      position:relative;
      overflow:hidden;
      padding:28px 0 0;
      color:var(--text-invert);
    }
    .hero-shell{
      position:relative;
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(8,10,12,.82) 0%, rgba(17,21,25,.74) 52%, rgba(17,21,25,.92) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:0 30px 60px rgba(4,7,10,.28);
      border:1px solid rgba(255,255,255,.08);
    }
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
      gap:28px;
      align-items:center;
      padding:46px;
      min-height:620px;
    }
    .hero-copy{
      position:relative;
      z-index:2;
      max-width:640px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);
      font-size:13px;
      letter-spacing:.03em;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(215,181,106,.14);
    }
    h1{
      margin:0;
      font-size:clamp(34px, 5vw, 60px);
      line-height:1.06;
      letter-spacing:-.03em;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:56ch;
      font-size:18px;
      color:rgba(245,247,248,.78);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-hints{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .hint{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.88);
      border:1px solid rgba(255,255,255,.10);
      font-size:13px;
    }
    .hint i{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      display:inline-block;
      box-shadow:0 0 0 4px rgba(31,161,122,.14);
    }
    .hero-visual{
      position:relative;
      z-index:2;
      display:flex;
      justify-content:center;
      align-items:center;
    }
    .visual-card{
      width:min(100%, 440px);
      border-radius:24px;
      overflow:hidden;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 40px rgba(0,0,0,.22);
      backdrop-filter:blur(10px);
    }
    .visual-media{
      position:relative;
      aspect-ratio:4/3;
      overflow:hidden;
    }
    .visual-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.02);
      transition:transform .6s var(--ease);
    }
    .visual-card:hover .visual-media img{
      transform:scale(1.06);
    }
    .visual-overlay{
      position:absolute;
      inset:auto 16px 16px 16px;
      padding:14px 16px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(15,18,20,.20) 0%, rgba(15,18,20,.84) 100%);
      border:1px solid rgba(255,255,255,.10);
    }
    .visual-overlay strong{
      display:block;
      font-size:16px;
      color:#fff;
      line-height:1.3;
    }
    .visual-overlay span{
      display:block;
      margin-top:4px;
      font-size:13px;
      color:rgba(255,255,255,.74);
    }
    .visual-meta{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      padding:14px;
      background:rgba(255,255,255,.06);
      border-top:1px solid rgba(255,255,255,.10);
    }
    .meta-item{
      min-width:0;
      padding:10px 10px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .meta-item b{
      display:block;
      font-size:16px;
      color:#fff;
      line-height:1.2;
    }
    .meta-item small{
      display:block;
      margin-top:5px;
      color:rgba(255,255,255,.68);
      font-size:12px;
    }
    .section{
      padding:var(--section) 0;
    }
    .section--tight{
      padding-top:72px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 3.2vw, 38px);
      line-height:1.16;
      letter-spacing:-.03em;
      color:#111619;
    }
    .section-head p{
      margin:0;
      max-width:62ch;
      color:var(--text-soft);
      font-size:15px;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      color:#182026;
      border:1px solid var(--line);
      box-shadow:0 8px 18px rgba(0,0,0,.05);
      font-size:14px;
      font-weight:700;
      transition:transform .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
    }
    .chip:hover,
    .chip:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(31,161,122,.32);
      color:var(--accent);
      outline:none;
    }
    .chip-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(31,161,122,.12);
      flex:0 0 auto;
    }
    .panel-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
    }
    .panel-main,
    .panel-sub,
    .card,
    .faq-box,
    .cta-box{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .panel-main{
      overflow:hidden;
      position:relative;
      min-height:370px;
      background:
        linear-gradient(135deg, rgba(16,19,22,.94) 0%, rgba(16,19,22,.58) 52%, rgba(16,19,22,.82) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:var(--text-invert);
    }
    .panel-main .inner{
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:100%;
      gap:22px;
    }
    .panel-main h3{
      margin:0;
      font-size:28px;
      line-height:1.16;
    }
    .panel-main p{
      margin:12px 0 0;
      max-width:42ch;
      color:rgba(245,247,248,.78);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      width:max-content;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);
      font-size:13px;
      font-weight:700;
    }
    .panel-main .mini-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .mini-link{
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.10);
      font-size:13px;
      font-weight:700;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    .mini-link:hover{transform:translateY(-2px);background:rgba(255,255,255,.12)}
    .panel-stack{
      display:grid;
      gap:18px;
    }
    .panel-sub{
      padding:20px;
      background:linear-gradient(180deg, #fbf8f2 0%, #f3ede3 100%);
      min-height:112px;
    }
    .panel-sub h4{
      margin:0;
      font-size:18px;
      line-height:1.25;
      color:#14191c;
    }
    .panel-sub p{
      margin:8px 0 0;
      color:var(--text-soft);
      font-size:14px;
    }
    .panel-sub .index{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
    }
    .index-badge{
      width:38px;
      height:38px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(31,161,122,.12);
      color:var(--accent);
      font-weight:800;
      flex:0 0 auto;
    }
    .index span{
      color:var(--accent-2);
      font-size:12px;
      font-weight:800;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .feature-card{
      overflow:hidden;
      position:relative;
      min-height:240px;
    }
    .feature-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .7s var(--ease);
    }
    .feature-card:hover img{
      transform:scale(1.06);
    }
    .feature-card .body{
      position:absolute;
      inset:auto 16px 16px 16px;
      padding:16px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(17,20,23,.08) 0%, rgba(17,20,23,.88) 100%);
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
    }
    .feature-card .body h4{
      margin:0;
      font-size:18px;
      line-height:1.25;
    }
    .feature-card .body p{
      margin:8px 0 0;
      color:rgba(255,255,255,.75);
      font-size:13px;
    }
    .feature-card.big{
      grid-row:span 2;
      min-height:498px;
    }
    .feature-card.small{
      min-height:240px;
    }
    .card-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      font-size:13px;
      color:#fff;
      opacity:.92;
    }
    .card-link i{
      display:inline-flex;
      width:28px;
      height:28px;
      border-radius:999px;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.14);
      font-style:normal;
    }
    .catalog-wrap{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:start;
    }
    .catalog-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:390px;
      background:
        linear-gradient(135deg, rgba(15,19,22,.70) 0%, rgba(15,19,22,.42) 56%, rgba(15,19,22,.86) 100%),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .catalog-card .content{
      position:relative;
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:390px;
    }
    .catalog-card h3{
      margin:0;
      font-size:30px;
      line-height:1.15;
    }
    .catalog-card p{
      margin:14px 0 0;
      max-width:40ch;
      color:rgba(255,255,255,.74);
    }
    .catalog-card .detail-list{
      margin:22px 0 0;
      display:grid;
      gap:10px;
    }
    .detail-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:rgba(255,255,255,.88);
      font-size:14px;
    }
    .detail-item::before{
      content:"";
      width:9px;
      height:9px;
      margin-top:7px;
      border-radius:999px;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(215,181,106,.12);
      flex:0 0 auto;
    }
    .catalog-shelf{
      display:grid;
      gap:18px;
    }
    .shelf-item{
      display:grid;
      grid-template-columns:118px minmax(0,1fr);
      gap:16px;
      padding:14px;
      border-radius:20px;
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }
    .shelf-item:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(31,161,122,.22);
    }
    .shelf-thumb{
      border-radius:16px;
      overflow:hidden;
      aspect-ratio:1/1;
      min-height:118px;
      background:#ddd;
    }
    .shelf-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .7s var(--ease);
    }
    .shelf-item:hover .shelf-thumb img{transform:scale(1.06)}
    .shelf-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .shelf-body .kicker{
      display:inline-flex;
      width:max-content;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(31,161,122,.10);
      color:var(--accent);
      font-size:12px;
      font-weight:800;
      letter-spacing:.03em;
    }
    .shelf-body h4{
      margin:10px 0 0;
      font-size:17px;
      line-height:1.3;
      color:#15191d;
    }
    .shelf-body p{
      margin:8px 0 0;
      color:var(--text-soft);
      font-size:13px;
    }
    .updates-grid{
      display:grid;
      grid-template-columns:1.1fr .45fr .45fr;
      gap:18px;
      align-items:stretch;
    }
    .news-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease);
    }
    .news-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .news-card .thumb{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
    }
    .news-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .7s var(--ease);
    }
    .news-card:hover .thumb img{transform:scale(1.06)}
    .news-card .body{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding:18px;
    }
    .news-card .meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      font-size:12px;
      color:var(--text-soft);
    }
    .label{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(31,161,122,.11);
      color:var(--accent);
      font-weight:800;
      letter-spacing:.02em;
    }
    .news-card h4{
      margin:0;
      font-size:18px;
      line-height:1.35;
      color:#14191d;
    }
    .news-card p{
      margin:0;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.8;
    }
    .news-card .link{
      margin-top:auto;
      color:var(--accent);
      font-weight:800;
      font-size:14px;
    }
    .news-card .link span{
      display:inline-block;
      transition:transform .22s var(--ease);
    }
    .news-card:hover .link span{transform:translateX(2px)}
    .faq-wrap{
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
    }
    .faq-box{
      overflow:hidden;
      background:var(--panel);
    }
    details{
      border-top:1px solid var(--line);
    }
    details:first-child{border-top:none}
    summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      cursor:pointer;
      font-weight:800;
      color:#15191d;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:34px;
      height:34px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(31,161,122,.10);
      color:var(--accent);
      font-size:20px;
      line-height:1;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    details[open] summary{
      background:rgba(31,161,122,.05);
    }
    details[open] summary::after{
      content:"−";
      background:rgba(191,138,56,.10);
      color:var(--accent-2);
    }
    .faq-content{
      padding:0 22px 20px;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.9;
    }
    .faq-content strong{
      color:#14191d;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(17,20,23,.92) 0%, rgba(17,20,23,.78) 58%, rgba(17,20,23,.94) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      padding:32px;
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-copy{
      max-width:680px;
    }
    .cta-copy h2{
      margin:0;
      font-size:clamp(26px, 3.2vw, 40px);
      line-height:1.15;
    }
    .cta-copy p{
      margin:12px 0 0;
      color:rgba(255,255,255,.76);
      max-width:60ch;
    }
    .cta-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .btn-light{
      background:rgba(255,255,255,.95);
      color:#11161a;
      border-color:rgba(255,255,255,.16);
    }
    .btn-light:hover,
    .btn-light:focus-visible{
      background:#fff;
      color:#0d1114;
    }
    .site-footer{
      margin-top:var(--section);
      background:#0f1316;
      color:rgba(255,255,255,.78);
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-inner{
      padding:42px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr .85fr .9fr;
      gap:22px;
      padding-bottom:22px;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
      line-height:1.25;
    }
    .footer-col p{
      margin:0;
      line-height:1.9;
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.74);
      font-size:14px;
      transition:color .22s var(--ease), transform .22s var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
      outline:none;
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(255,255,255,.60);
      font-size:13px;
      line-height:1.8;
    }
    .to-top{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
      font-weight:700;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    .to-top:hover{transform:translateY(-2px);background:rgba(255,255,255,.09)}
    .sticky-action{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:900;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:50px;
      height:50px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent) 0%, #22b388 100%);
      color:#fff;
      box-shadow:0 18px 28px rgba(31,161,122,.25);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease);
    }
    .sticky-action:hover,
    .sticky-action:focus-visible{
      transform:translateY(-3px);
      box-shadow:0 22px 34px rgba(31,161,122,.28);
      outline:none;
    }
    .sticky-action svg{width:22px;height:22px}
    .section-alt{
      background:
        linear-gradient(180deg, rgba(255,255,255,.20) 0%, rgba(255,255,255,.0) 100%);
    }
    .soft-line{
      width:100%;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(20,27,33,.12), transparent);
      margin:0;
      border:0;
    }
    .section-note{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(31,161,122,.08);
      color:var(--accent);
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .section-note::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(31,161,122,.12);
    }
    .subtle-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .subtle-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--text-soft);
      font-size:14px;
    }
    .subtle-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:999px;
      background:var(--accent-2);
      flex:0 0 auto;
      box-shadow:0 0 0 4px rgba(191,138,56,.12);
    }
    .align-right{display:flex;justify-content:flex-end}
    .round-card{
      border-radius:24px;
    }
    .card{
      overflow:hidden;
    }
    .card-pad{padding:22px}
    .time{
      font-feature-settings:"tnum" 1;
      letter-spacing:.03em;
    }
    .muted{
      color:var(--text-soft);
    }
    .mobile-only{display:none}
    .desktop-only{display:block}
    @media (max-width: 1120px){
      .hero-inner{grid-template-columns:1fr;min-height:auto}
      .hero-copy{max-width:none}
      .hero-visual{justify-content:flex-start}
      .panel-grid,
      .catalog-wrap,
      .updates-grid,
      .feature-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .feature-card.big{grid-row:auto;min-height:320px}
      .catalog-card,
      .catalog-card .content{min-height:auto}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 900px){
      .site-nav,
      .header-actions .btn-secondary{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .hero-inner{padding:28px}
      .section{padding:var(--section-mobile) 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .footer-grid{gap:18px}
      .shelf-item{grid-template-columns:100px minmax(0,1fr)}
    }
    @media (max-width: 680px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .header-inner{min-height:72px}
      .brand-text span{display:none}
      .hero-shell{border-radius:22px}
      .hero-inner{padding:22px;gap:20px}
      h1{font-size:clamp(30px, 10vw, 42px)}
      .hero-copy p{font-size:16px}
      .visual-meta{grid-template-columns:1fr;gap:8px}
      .panel-main .inner,
      .cta-box,
      .catalog-card .content{
        padding:22px;
      }
      .panel-sub{padding:18px}
      .shelf-item{grid-template-columns:1fr}
      .shelf-thumb{aspect-ratio:16/9;min-height:0}
      .news-card h4{font-size:17px}
      .cta-box{border-radius:22px}
      summary{padding:18px 18px}
      .faq-content{padding:0 18px 18px}
      .sticky-action{right:14px;bottom:14px}
      .hero-actions,.cta-actions{width:100%}
      .hero-actions .btn,.cta-actions .btn{width:100%}
    }
    @media (max-width: 520px){
      .hero-hints{gap:8px}
      .hint{font-size:12px;padding:9px 12px}
      .chip-row{gap:10px}
      .chip{min-height:40px;padding:0 12px;font-size:13px}
      .panel-main h3,.catalog-card h3{font-size:24px}
      .section-head h2{font-size:28px}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .footer-meta{flex-direction:column;gap:8px}
    }
    .focus-ring:focus-visible{
      outline:2px solid rgba(31,161,122,.38);
      outline-offset:3px;
    }

/* roulang page: category1 */
:root{
      --bg:#121415;
      --bg-elev:#171a1b;
      --bg-soft:#1d2122;
      --surface:#f5f1ea;
      --surface-2:#ebe5db;
      --surface-3:#e3ddd1;
      --text:#1d2321;
      --text-strong:#111615;
      --muted:#66706b;
      --muted-2:#7d8782;
      --line:#d8d1c5;
      --line-dark:#2b3130;
      --accent:#2f7a64;
      --accent-2:#b88d44;
      --accent-3:#d9c38d;
      --white:#ffffff;
      --shadow:0 10px 28px rgba(13, 17, 18, .10);
      --shadow-strong:0 18px 40px rgba(8, 10, 11, .18);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:24px;
      --container:1280px;
      --gap:24px;
      --section:88px;
      --ease:cubic-bezier(.2,.7,.2,1);
      --header-h:84px;
    }

    *,
    *::before,
    *::after{
      box-sizing:border-box;
    }

    html{
      scroll-behavior:smooth;
    }

    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Arial, sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(18,20,21,1) 0%, rgba(18,20,21,1) 14%, rgba(245,241,234,1) 14%, rgba(245,241,234,1) 100%);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }

    img{
      display:block;
      max-width:100%;
      height:auto;
    }

    a{
      color:inherit;
      text-decoration:none;
    }

    button,
    input,
    textarea{
      font:inherit;
    }

    button{
      cursor:pointer;
    }

    ::selection{
      background:rgba(47,122,100,.18);
      color:var(--text-strong);
    }

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

    .focus-ring:focus-visible{
      outline:3px solid rgba(47,122,100,.28);
      outline-offset:3px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(16,18,19,.84);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 1px 0 rgba(255,255,255,.02);
    }

    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }

    .brand-mark{
      width:52px;
      height:52px;
      border-radius:16px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-weight:800;
      letter-spacing:.08em;
      color:#e8f0ea;
      background:
        linear-gradient(145deg, rgba(47,122,100,1), rgba(26,82,68,1));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 10px 20px rgba(0,0,0,.18);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }

    .brand-text strong{
      color:#fff;
      font-size:1rem;
      line-height:1.1;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      letter-spacing:.01em;
    }

    .brand-text span{
      color:rgba(232,238,236,.68);
      font-size:.88rem;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .site-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }

    .site-nav a,
    .mobile-panel a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:999px;
      color:rgba(241,245,243,.86);
      transition:transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
    }

    .site-nav a:hover,
    .mobile-panel a:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }

    .site-nav a.active,
    .mobile-panel a.active{
      color:#fff;
      background:linear-gradient(145deg, rgba(47,122,100,1), rgba(38,102,84,1));
      box-shadow:0 10px 22px rgba(47,122,100,.25);
    }

    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      white-space:nowrap;
      font-weight:600;
    }

    .btn:hover{
      transform:translateY(-2px);
    }

    .btn-primary{
      background:linear-gradient(145deg, var(--accent), #25634f);
      color:#fff;
      box-shadow:0 12px 24px rgba(47,122,100,.24);
    }

    .btn-primary:hover{
      box-shadow:0 16px 34px rgba(47,122,100,.3);
      filter:brightness(1.03);
    }

    .btn-secondary{
      background:rgba(255,255,255,.04);
      color:#e8eeec;
      border-color:rgba(255,255,255,.12);
    }

    .btn-secondary:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.2);
    }

    .menu-toggle{
      width:46px;
      height:46px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:14px;
      background:rgba(255,255,255,.05);
      color:#fff;
      display:grid;
      place-items:center;
      transition:transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
    }

    .menu-toggle:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.18);
    }

    .menu-toggle svg{
      width:22px;
      height:22px;
    }

    .mobile-panel{
      display:none;
      padding:0 0 18px;
      gap:8px;
    }

    .mobile-panel a{
      width:100%;
      justify-content:flex-start;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }

    main{
      overflow:hidden;
    }

    .hero{
      position:relative;
      padding:34px 0 48px;
      background:
        linear-gradient(180deg, rgba(16,18,19,.88) 0%, rgba(16,18,19,.76) 48%, rgba(18,20,21,.88) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#f3f6f4;
      border-bottom:1px solid rgba(255,255,255,.06);
    }

    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 8% 18%, rgba(184,141,68,.22), transparent 24%),
        radial-gradient(circle at 88% 20%, rgba(47,122,100,.20), transparent 22%);
      pointer-events:none;
    }

    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(320px, .95fr);
      gap:28px;
      align-items:stretch;
      z-index:1;
    }

    .hero-copy{
      padding:40px 0 12px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:#dce7e1;
      font-size:.9rem;
      letter-spacing:.02em;
      margin-bottom:18px;
    }

    .hero h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 4.05rem);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:11.5em;
      color:#fff;
    }

    .hero-subtitle{
      margin:20px 0 0;
      max-width:38rem;
      font-size:1.03rem;
      color:rgba(241,245,243,.82);
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }

    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }

    .hero-meta .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#eef3f1;
      font-size:.92rem;
    }

    .hero-visual{
      position:relative;
      min-height:560px;
      display:grid;
      align-items:end;
    }

    .visual-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      min-height:100%;
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.07));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-strong);
      isolation:isolate;
    }

    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      transform:scale(1.01);
      transition:transform .65s var(--ease);
      filter:saturate(1.02) contrast(1.02);
    }

    .visual-card:hover img{
      transform:scale(1.05);
    }

    .visual-overlay{
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(19,22,23,.10) 0%, rgba(19,22,23,.10) 26%, rgba(19,22,23,.76) 100%);
    }

    .visual-note{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      display:grid;
      gap:10px;
      z-index:2;
    }

    .note-top{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .note-tag{
      display:inline-flex;
      align-items:center;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(245,241,234,.92);
      color:#1c2421;
      font-size:.84rem;
      font-weight:700;
      letter-spacing:.02em;
    }

    .note-card{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      align-items:center;
      padding:16px 18px;
      border-radius:22px;
      background:rgba(245,241,234,.96);
      color:var(--text);
      box-shadow:0 16px 30px rgba(0,0,0,.18);
    }

    .note-number{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg, var(--accent-2), #906b28);
      font-weight:800;
      font-size:1.1rem;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.22);
    }

    .note-card strong{
      display:block;
      font-size:1rem;
      color:var(--text-strong);
      margin-bottom:4px;
    }

    .note-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.55;
    }

    .section{
      padding:var(--section) 0;
    }

    .section-soft{
      background:
        linear-gradient(180deg, rgba(245,241,234,1) 0%, rgba(244,240,232,1) 100%);
    }

    .section-dark{
      background:
        linear-gradient(180deg, rgba(18,20,21,1) 0%, rgba(21,24,25,1) 100%);
      color:#eff4f2;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }

    .section-title-wrap{
      max-width:760px;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      border-radius:999px;
      color:var(--accent);
      background:rgba(47,122,100,.10);
      border:1px solid rgba(47,122,100,.12);
      font-size:.86rem;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:12px;
    }

    .section-dark .section-kicker{
      background:rgba(255,255,255,.06);
      color:#d7e5df;
      border-color:rgba(255,255,255,.10);
    }

    .section-head h2{
      margin:0;
      font-size:clamp(1.55rem, 2.4vw, 2.45rem);
      line-height:1.15;
      color:inherit;
      letter-spacing:-.02em;
    }

    .section-head p{
      margin:12px 0 0;
      color:var(--muted);
      max-width:60rem;
      font-size:1rem;
    }

    .section-dark .section-head p,
    .section-dark .muted-light{
      color:rgba(239,244,242,.76);
    }

    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }

    .pill-row .pill,
    .filter-bar .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 15px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.8);
      color:var(--text);
      box-shadow:0 1px 0 rgba(255,255,255,.8) inset;
      transition:transform .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
    }

    .pill-row .pill:hover,
    .filter-bar .pill:hover{
      transform:translateY(-2px);
      border-color:rgba(47,122,100,.34);
      color:var(--accent);
      box-shadow:var(--shadow);
    }

    .pill-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,122,100,.10);
      flex:0 0 auto;
    }

    .feature-layout{
      display:grid;
      grid-template-columns:minmax(0, 1.2fr) minmax(320px, .8fr);
      gap:24px;
      align-items:stretch;
    }

    .panel,
    .card,
    .feature-main,
    .feature-side,
    .article-card,
    .faq-item,
    .cta-card{
      border-radius:var(--radius);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:rgba(255,255,255,.92);
      overflow:hidden;
    }

    .feature-main{
      display:grid;
      grid-template-columns:1fr;
      min-height:100%;
    }

    .feature-main .cover{
      position:relative;
      min-height:290px;
      background:#d8d3c6;
      overflow:hidden;
    }

    .feature-main .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      transition:transform .6s var(--ease);
    }

    .feature-main:hover .cover img,
    .card:hover .card-media img,
    .article-card:hover .card-media img{
      transform:scale(1.04);
    }

    .cover-badge{
      position:absolute;
      left:16px;
      top:16px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(17,22,21,.88);
      color:#fff;
      font-size:.84rem;
      border:1px solid rgba(255,255,255,.08);
    }

    .feature-main .content{
      padding:24px;
    }

    .feature-main h3,
    .feature-side h3,
    .card h3,
    .article-card h3,
    .cta-card h3{
      margin:0;
      line-height:1.22;
      color:var(--text-strong);
      letter-spacing:-.01em;
    }

    .feature-main h3{
      font-size:1.55rem;
    }

    .feature-main p,
    .feature-side p,
    .card p,
    .article-card p,
    .cta-card p{
      margin:12px 0 0;
      color:var(--muted);
      line-height:1.75;
    }

    .inline-list{
      display:grid;
      gap:10px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }

    .inline-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:10px;
      align-items:flex-start;
      color:var(--text);
    }

    .inline-list .bullet{
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(47,122,100,.12);
      color:var(--accent);
      flex:0 0 auto;
      margin-top:2px;
      font-size:.8rem;
      font-weight:800;
    }

    .feature-side{
      display:grid;
      gap:14px;
      padding:18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(247,243,236,.96) 100%);
    }

    .mini-stat{
      display:grid;
      gap:10px;
      padding:18px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .mini-stat:hover{
      transform:translateY(-2px);
      border-color:rgba(47,122,100,.28);
      box-shadow:var(--shadow);
    }

    .mini-stat .label{
      display:flex;
      align-items:center;
      gap:8px;
      font-size:.85rem;
      color:var(--accent);
      font-weight:700;
      text-transform:none;
    }

    .mini-stat h4{
      margin:0;
      font-size:1.12rem;
      color:var(--text-strong);
      line-height:1.3;
    }

    .mini-stat p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.65;
    }

    .mini-thumb{
      width:100%;
      aspect-ratio:16/9;
      border-radius:16px;
      overflow:hidden;
      background:var(--surface-2);
      border:1px solid var(--line);
    }

    .mini-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .6s var(--ease);
    }

    .mini-stat:hover .mini-thumb img{
      transform:scale(1.05);
    }

    .mini-footer{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:2px;
      flex-wrap:wrap;
    }

    .mini-footer .link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--accent);
      font-weight:700;
    }

    .link svg,
    .btn svg{
      width:16px;
      height:16px;
      flex:0 0 auto;
    }

    .section-stack{
      display:grid;
      gap:24px;
    }

    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .filter-bar .pill.is-active{
      background:rgba(47,122,100,.10);
      color:var(--accent);
      border-color:rgba(47,122,100,.26);
      box-shadow:none;
    }

    .category-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
    }

    .card-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:20px;
    }

    .card{
      display:grid;
      grid-template-rows:auto 1fr;
      height:100%;
      background:#fff;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .card:hover,
    .article-card:hover{
      transform:translateY(-3px);
      box-shadow:0 16px 34px rgba(17, 22, 21, .12);
      border-color:rgba(47,122,100,.24);
    }

    .card-media{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:var(--surface-2);
    }

    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .6s var(--ease);
    }

    .card-body{
      padding:18px 18px 20px;
      display:grid;
      gap:12px;
    }

    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(47,122,100,.10);
      color:var(--accent);
      font-size:.82rem;
      font-weight:700;
      border:1px solid rgba(47,122,100,.14);
    }

    .badge.soft{
      background:rgba(184,141,68,.12);
      color:#8d6925;
      border-color:rgba(184,141,68,.20);
    }

    .card h3{
      font-size:1.08rem;
    }

    .card p{
      font-size:.94rem;
      line-height:1.68;
      margin-top:0;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }

    .card-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:.88rem;
      margin-top:2px;
    }

    .card-action{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--accent);
      font-weight:700;
    }

    .article-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:stretch;
    }

    .article-card{
      display:grid;
      grid-template-rows:auto 1fr;
      background:#fff;
      height:100%;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .article-card.large .card-media{
      aspect-ratio:16/10;
    }

    .article-card .card-body{
      padding:20px;
    }

    .stack-list{
      display:grid;
      gap:16px;
    }

    .stack-list .article-card{
      grid-template-columns:1fr;
    }

    .stack-list .article-card .card-media{
      aspect-ratio:16/9;
    }

    .meta-line{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.88rem;
    }

    .meta-dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:currentColor;
      align-self:center;
      opacity:.55;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }

    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      overflow:hidden;
    }

    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      font-weight:700;
      color:var(--text-strong);
      transition:background .22s var(--ease), color .22s var(--ease);
    }

    .faq-item summary::-webkit-details-marker{
      display:none;
    }

    .faq-item summary:hover{
      background:rgba(47,122,100,.04);
    }

    .faq-item summary .arrow{
      width:36px;
      height:36px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(47,122,100,.10);
      color:var(--accent);
      flex:0 0 auto;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }

    .faq-item[open] summary{
      background:rgba(47,122,100,.05);
      border-bottom:1px solid rgba(47,122,100,.12);
    }

    .faq-item[open] summary .arrow{
      transform:rotate(180deg);
      background:rgba(47,122,100,.15);
    }

    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
    }

    .cta-wrap{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(16,18,19,.98), rgba(27,31,32,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#eff4f2;
      box-shadow:var(--shadow-strong);
    }

    .cta-wrap::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 20%, rgba(47,122,100,.22), transparent 22%),
        radial-gradient(circle at 88% 0%, rgba(184,141,68,.20), transparent 20%);
      pointer-events:none;
    }

    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:22px;
      padding:28px;
      z-index:1;
    }

    .cta-card{
      background:rgba(248,244,236,.96);
      color:var(--text);
      border:1px solid rgba(255,255,255,.10);
    }

    .cta-card .card-body{
      padding:24px;
    }

    .cta-card .card-body p{
      margin-bottom:0;
    }

    .cta-form{
      display:grid;
      gap:14px;
      margin-top:16px;
    }

    .field{
      display:grid;
      gap:8px;
    }

    .field label{
      color:var(--text-strong);
      font-weight:700;
      font-size:.92rem;
    }

    .field input,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      background:#fff;
      color:var(--text-strong);
      padding:14px 15px;
      border-radius:14px;
      outline:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
    }

    .field textarea{
      min-height:116px;
      resize:vertical;
    }

    .field input:focus,
    .field textarea:focus{
      border-color:rgba(47,122,100,.5);
      box-shadow:0 0 0 4px rgba(47,122,100,.12);
    }

    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:4px;
    }

    .form-note{
      font-size:.9rem;
      color:rgba(255,255,255,.72);
      line-height:1.6;
    }

    .cta-side{
      display:grid;
      align-content:space-between;
      gap:16px;
      padding:2px 0;
    }

    .cta-side .info-block{
      padding:20px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }

    .cta-side .info-block h3{
      margin:0 0 10px;
      color:#fff;
      font-size:1.15rem;
    }

    .cta-side .info-block p{
      margin:0;
      color:rgba(239,244,242,.76);
      line-height:1.75;
    }

    .site-footer{
      background:#0f1112;
      color:#e8eeeb;
      padding:54px 0 26px;
      border-top:1px solid rgba(255,255,255,.06);
    }

    .footer-inner{
      display:grid;
      gap:26px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr 1fr .9fr;
      gap:22px;
    }

    .footer-col h3{
      margin:0 0 14px;
      font-size:1rem;
      color:#fff;
      letter-spacing:.01em;
    }

    .footer-col p{
      margin:0;
      color:rgba(232,238,235,.72);
      line-height:1.8;
    }

    .footer-links{
      display:grid;
      gap:10px;
    }

    .footer-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:rgba(232,238,235,.88);
      transition:color .22s var(--ease), transform .22s var(--ease);
      width:max-content;
    }

    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px 18px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(232,238,235,.62);
      font-size:.92rem;
    }

    .desktop-only{
      display:flex;
    }

    .mobile-only{
      display:none;
    }

    .section-spacer{
      height:10px;
    }

    @media (max-width: 1120px){
      .hero-grid,
      .feature-layout,
      .category-grid,
      .article-layout,
      .cta-inner,
      .footer-grid{
        grid-template-columns:1fr;
      }

      .hero-visual{
        min-height:440px;
      }

      .card-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 920px){
      .site-nav,
      .desktop-only{
        display:none;
      }

      .mobile-only{
        display:grid;
      }

      .mobile-panel.is-open{
        display:grid;
      }

      .header-inner{
        padding:12px 0;
      }

      .brand-text strong{
        max-width:16rem;
      }

      .section{
        padding:60px 0;
      }

      .hero{
        padding:24px 0 34px;
      }

      .hero-copy{
        padding-top:18px;
      }

      .card-grid{
        grid-template-columns:1fr;
      }

      .hero-actions,
      .form-actions{
        flex-direction:column;
        align-items:stretch;
      }

      .btn{
        width:100%;
      }
    }

    @media (max-width: 640px){
      :root{
        --section:56px;
      }

      body{
        background:
          linear-gradient(180deg, rgba(18,20,21,1) 0%, rgba(18,20,21,1) 12%, rgba(245,241,234,1) 12%, rgba(245,241,234,1) 100%);
      }

      .container{
        width:min(var(--container), calc(100% - 24px));
      }

      .brand-mark{
        width:44px;
        height:44px;
        border-radius:14px;
      }

      .brand-text span{
        display:none;
      }

      .hero h1{
        max-width:none;
        font-size:clamp(1.8rem, 9vw, 2.55rem);
      }

      .hero-subtitle{
        font-size:.98rem;
      }

      .hero-visual{
        min-height:320px;
      }

      .visual-note{
        left:12px;
        right:12px;
        bottom:12px;
      }

      .note-card{
        padding:14px;
        gap:12px;
      }

      .note-number{
        width:46px;
        height:46px;
        border-radius:14px;
      }

      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }

      .feature-main .content,
      .card-body,
      .article-card .card-body,
      .cta-card .card-body{
        padding:18px;
      }

      .filter-bar{
        gap:8px;
        overflow-x:auto;
        flex-wrap:nowrap;
        padding-bottom:4px;
        scrollbar-width:none;
      }

      .filter-bar::-webkit-scrollbar{
        display:none;
      }

      .pill-row{
        flex-wrap:nowrap;
        overflow-x:auto;
        padding-bottom:4px;
        scrollbar-width:none;
      }

      .pill-row::-webkit-scrollbar{
        display:none;
      }

      .faq-item summary{
        padding:16px;
        font-size:.98rem;
      }

      .faq-body{
        padding:0 16px 16px;
      }

      .cta-wrap{
        border-radius:22px;
      }

      .cta-inner{
        padding:18px;
      }

      .form-note{
        font-size:.88rem;
      }

      .footer-grid{
        gap:18px;
      }

      .footer-meta{
        flex-direction:column;
        gap:8px;
      }

      .btn{
        min-height:44px;
      }
    }