/* roulang page: index */
:root{
      --bg:#08110f;
      --bg-2:#0e1714;
      --surface:#111c18;
      --surface-2:#15221d;
      --surface-3:#1a2a23;
      --text:#f4f6f2;
      --muted:#b4beb7;
      --soft:#8d9a92;
      --line:rgba(233,239,234,.12);
      --line-strong:rgba(233,239,234,.18);
      --accent:#d7a24d;
      --accent-2:#b88432;
      --accent-soft:rgba(215,162,77,.15);
      --green:#5da184;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --shadow-soft:0 10px 26px rgba(0,0,0,.2);
      --radius:18px;
      --radius-lg:28px;
      --container:1320px;
      --gap:24px;
      --gap-lg:36px;
      --transition:.24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 10%, rgba(215,162,77,.14), transparent 24%),
        radial-gradient(circle at 88% 12%, rgba(93,161,132,.11), transparent 20%),
        linear-gradient(180deg, #07100e 0%, #0a1210 32%, #09100e 100%);
      line-height:1.7;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.45;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.75), transparent 95%);
    }
    body::after{
      content:"";
      position:fixed;
      inset:auto -10% -18% auto;
      width:38rem;
      height:38rem;
      pointer-events:none;
      background:radial-gradient(circle, rgba(215,162,77,.08), transparent 62%);
      filter:blur(8px);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,summary{font:inherit}
    button,input,textarea{border:none;outline:none}
    ::selection{background:rgba(215,162,77,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(18px);
      background:rgba(7,16,14,.8);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:18px;
      min-height:76px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#17201c;
      font-weight:900;
      letter-spacing:.08em;
      background:linear-gradient(145deg, #f2d39a 0%, #c98f31 100%);
      box-shadow:0 12px 24px rgba(215,162,77,.22);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:1.02rem;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.82rem;
      color:var(--muted);
      margin-top:4px;
    }
    .site-nav{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .site-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      border-color:rgba(215,162,77,.22);
      background:rgba(215,162,77,.08);
      transform:translateY(-1px);
    }
    .site-nav a.active{
      color:#fff;
      border-color:rgba(215,162,77,.34);
      background:linear-gradient(145deg, rgba(215,162,77,.18), rgba(215,162,77,.06));
      box-shadow:0 10px 22px rgba(0,0,0,.18) inset;
    }
    .header-cta{
      margin-left: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;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
    }
    .btn-primary{
      color:#1a1207;
      background:linear-gradient(145deg, #f6d59f 0%, #d7a24d 100%);
      box-shadow:0 14px 30px rgba(215,162,77,.24);
      border-color:rgba(255,255,255,.04);
      font-weight:700;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 34px rgba(215,162,77,.28);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.02);
      border-color:var(--line);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(215,162,77,.34);
      background:rgba(215,162,77,.08);
    }
    .menu-toggle{
      display:none;
      margin-left:auto;
      width:46px;
      height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span{
      position:relative;
      width:18px;
      height:2px;
      background:#fff;
      border-radius:999px;
      display:block;
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;
      height:2px;
      border-radius:999px;
      background:#fff;
      transition:transform var(--transition), top var(--transition), opacity var(--transition);
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}
    .site-header.is-open .menu-toggle span{background:transparent}
    .site-header.is-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
    .site-header.is-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}
    .hero{
      padding:28px 0 16px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow);
      background:
        linear-gradient(135deg, rgba(7,17,14,.92) 0%, rgba(12,20,18,.92) 45%, rgba(18,29,24,.94) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(100deg, rgba(7,16,14,.86) 0%, rgba(7,16,14,.64) 46%, rgba(7,16,14,.22) 100%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:28px;
      padding:clamp(24px,4vw,48px);
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:.86rem;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(215,162,77,.12);
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:clamp(2rem, 4vw, 3.45rem);
      line-height:1.12;
      letter-spacing:.01em;
    }
    .hero p.lead{
      margin:0;
      max-width:42rem;
      color:#dbe2dd;
      font-size:clamp(1rem, 1.25vw, 1.12rem);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0 16px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e4e8e5;
      font-size:.9rem;
    }
    .hero-side{
      position:relative;
      min-height:100%;
      display:grid;
      gap:16px;
    }
    .hero-visual{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      min-height:480px;
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .hero-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.03) contrast(1.02);
    }
    .hero-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,16,13,.08) 0%, rgba(8,16,13,.54) 100%);
    }
    .hero-chip,
    .hero-stat{
      position:absolute;
      z-index:2;
      backdrop-filter:blur(10px);
      border:1px solid rgba(255,255,255,.14);
      border-radius:16px;
      background:rgba(9,16,13,.76);
      box-shadow:0 16px 36px rgba(0,0,0,.22);
    }
    .hero-chip{
      top:16px;
      left:16px;
      padding:10px 12px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .hero-chip i{
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(215,162,77,.14);
      display:block;
    }
    .hero-chip span{
      color:#eef3ef;
      font-weight:600;
      font-size:.92rem;
    }
    .hero-stat{
      padding:14px 16px;
      color:#ecf1ed;
      max-width:190px;
    }
    .hero-stat strong{
      display:block;
      font-size:1.06rem;
      margin-bottom:4px;
    }
    .hero-stat small{
      color:var(--muted);
      font-size:.86rem;
    }
    .hero-stat.one{right:16px; top:22px}
    .hero-stat.two{left:16px; bottom:18px}
    .hero-mini{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      padding:16px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .mini-card strong{
      display:block;
      font-size:1rem;
      margin-bottom:8px;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.6;
    }
    main{
      position:relative;
      padding-bottom:44px;
    }
    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.4rem, 2.2vw, 2rem);
      line-height:1.18;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:50rem;
      font-size:.98rem;
    }
    .section-action{
      flex:0 0 auto;
      color:var(--accent);
      font-size:.96rem;
    }
    .grid-entries{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.03));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .card:hover,
    .card:focus-within{
      transform:translateY(-4px);
      border-color:rgba(215,162,77,.24);
      box-shadow:0 18px 40px rgba(0,0,0,.26);
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
    }
    .entry-card{
      padding:18px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .card-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#1d1609;
      font-weight:800;
      background:linear-gradient(145deg, #f5d59e 0%, #c88c2f 100%);
    }
    .entry-card h3,
    .feature-card h3,
    .aside-card h3,
    .note-card h3,
    .snapshot-card h3,
    .cta-panel h3{
      margin:0;
      font-size:1.08rem;
      line-height:1.3;
    }
    .entry-card p,
    .feature-card p,
    .aside-card p,
    .note-card p,
    .snapshot-card p,
    .cta-panel p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.65;
    }
    .entry-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#edf1ed;
      font-size:.92rem;
    }
    .entry-foot span{
      color:var(--accent);
    }
    .entry-foot strong{
      font-weight:600;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.24fr .76fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card{
      padding:18px;
    }
    .feature-media{
      border-radius:20px;
      overflow:hidden;
      position:relative;
      aspect-ratio:16/9;
      margin-bottom:16px;
      border:1px solid rgba(255,255,255,.08);
      background:#0d1512;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,16,14,.06), rgba(7,16,14,.44));
    }
    .label-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:10px 0 14px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(215,162,77,.10);
      border:1px solid rgba(215,162,77,.18);
      color:#f3dbb5;
      font-size:.84rem;
    }
    .feature-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .feature-list li{
      position:relative;
      padding-left:18px;
      color:#dfe5e0;
      font-size:.95rem;
      line-height:1.6;
    }
    .feature-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.55em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(215,162,77,.12);
    }
    .side-stack{
      display:grid;
      gap:18px;
    }
    .aside-card{
      padding:18px;
      min-height:calc(50% - 9px);
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .aside-thumb{
      border-radius:18px;
      overflow:hidden;
      aspect-ratio:16/10;
      border:1px solid rgba(255,255,255,.08);
      background:#0d1512;
    }
    .aside-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .notice-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(8,16,14,.92), rgba(10,17,15,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .notice-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(7,16,14,.82) 0%, rgba(7,16,14,.52) 55%, rgba(7,16,14,.16) 100%);
    }
    .notice-inner{
      position:relative;
      padding:clamp(22px,3.5vw,36px);
      display:grid;
      grid-template-columns:1fr .92fr;
      gap:18px;
      align-items:start;
    }
    .timeline{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
    }
    .timeline li{
      position:relative;
      padding-left:22px;
      color:#e6ebe7;
    }
    .timeline li::before{
      content:"";
      position:absolute;
      left:0;
      top:.48em;
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(215,162,77,.12);
    }
    .timeline li strong{
      display:block;
      margin-bottom:4px;
      color:#fff;
      font-size:1rem;
    }
    .timeline li span{
      display:block;
      color:var(--muted);
      font-size:.92rem;
    }
    .notice-boxes{
      display:grid;
      gap:14px;
    }
    .note-card{
      padding:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
    }
    .note-card .mini{
      display:inline-flex;
      margin-bottom:10px;
      color:var(--accent);
      font-size:.84rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .snapshot-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .snapshot-card{
      padding:18px;
      min-height:170px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .snapshot-icon{
      width:40px;
      height:40px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#f3dbb5;
      background:rgba(215,162,77,.12);
      border:1px solid rgba(215,162,77,.18);
      font-weight:800;
      letter-spacing:.04em;
    }
    .search-band{
      display:grid;
      grid-template-columns:1fr .82fr;
      gap:18px;
      align-items:stretch;
    }
    .search-panel,
    .cta-panel{
      padding:20px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.028));
      box-shadow:var(--shadow-soft);
    }
    .search-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      margin-top:16px;
    }
    .field{
      width:100%;
      min-height:52px;
      border-radius:16px;
      padding:0 16px;
      color:var(--text);
      background:rgba(8,15,13,.82);
      border:1px solid rgba(255,255,255,.1);
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .field::placeholder{color:#93a09a}
    .field:focus{
      border-color:rgba(215,162,77,.34);
      box-shadow:0 0 0 4px rgba(215,162,77,.12);
      background:rgba(10,18,15,.94);
    }
    .search-note{
      margin-top:10px;
      color:var(--soft);
      font-size:.88rem;
    }
    .cta-panel{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:100%;
      background:
        linear-gradient(140deg, rgba(12,21,17,.96), rgba(19,31,25,.92)),
        url('/assets/images/backpic/back-3.webp') right center/cover no-repeat;
      position:relative;
      overflow:hidden;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,16,14,.22), rgba(8,16,14,.76));
      pointer-events:none;
    }
    .cta-panel > *{position:relative;z-index:1}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(215,162,77,.24);
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035));
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#f3f6f1;
      font-weight:600;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.74;
      border-top:1px solid rgba(255,255,255,.06);
      margin-top:-1px;
    }
    .faq-answer p{margin:14px 0 0}
    .faq-marker{
      flex:0 0 auto;
      width:28px;
      height:28px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#1c1408;
      background:linear-gradient(145deg, #f3d5a1 0%, #c98d30 100%);
      transition:transform var(--transition);
    }
    details[open] .faq-marker{
      transform:rotate(45deg);
    }
    .footer{
      margin-top:10px;
      padding:28px 0 34px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(6,12,11,.55);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .8fr;
      gap:20px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:1.08rem;
      margin-bottom:8px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:32rem;
      line-height:1.7;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:1rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
    }
    .copyright{
      margin-top:20px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:.88rem;
    }
    .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: 1200px){
      .grid-entries,
      .snapshot-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .feature-grid,
      .notice-inner,
      .search-band,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .hero-grid{
        grid-template-columns:1fr;
      }
      .hero-visual{
        min-height:380px;
      }
    }
    @media (max-width: 860px){
      .header-inner{
        gap:12px;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .site-nav{
        position:absolute;
        top:100%;
        left:16px;
        right:16px;
        margin:0;
        padding:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        border-radius:20px;
        background:rgba(8,16,14,.98);
        border:1px solid rgba(255,255,255,.09);
        box-shadow:var(--shadow);
      }
      .site-header.is-open .site-nav{
        display:flex;
      }
      .site-nav a,
      .header-cta{
        width:100%;
        justify-content:center;
      }
      .header-cta{
        margin-left:0;
      }
      .hero{
        padding-top:18px;
      }
      .hero h1{
        max-width:14ch;
      }
      .hero-mini{
        grid-template-columns:1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-action{
        margin-top:2px;
      }
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero-grid{
        gap:20px;
        padding:20px;
      }
      .hero-visual{
        min-height:320px;
      }
      .grid-entries,
      .snapshot-grid{
        grid-template-columns:1fr;
      }
      .search-form{
        grid-template-columns:1fr;
      }
      .btn{
        width:100%;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .hero-actions .btn,
      .cta-actions .btn{
        width:100%;
      }
      .footer-grid{
        gap:16px;
      }
      .brand-text span{
        display:none;
      }
      .brand-mark{
        width:40px;
        height:40px;
        border-radius:12px;
      }
      .brand-text strong{
        font-size:.98rem;
      }
    }
    @media (max-width: 420px){
      .hero h1{
        font-size:clamp(1.7rem, 9vw, 2.2rem);
      }
      .hero p.lead,
      .section-desc,
      .p,
      .entry-card p,
      .feature-card p,
      .aside-card p,
      .note-card p,
      .snapshot-card p,
      .cta-panel p{
        font-size:.93rem;
      }
      .hero-visual{
        min-height:280px;
      }
      .hero-chip,
      .hero-stat{
        transform:scale(.96);
        transform-origin:top left;
      }
      .hero-stat.one{transform-origin:top right}
      .hero-stat.two{transform-origin:bottom left}
    }

/* roulang page: category1 */
:root{
      --bg:#07110d;
      --bg-2:#0c1713;
      --surface:#101915;
      --surface-2:#14211c;
      --surface-3:#182721;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(200,164,106,.18);
      --text:#f4f1ea;
      --muted:#b8c0bb;
      --soft:#87948e;
      --gold:#c8a46a;
      --gold-2:#e0c08b;
      --green:#6da58e;
      --shadow:0 20px 50px rgba(0,0,0,.34);
      --shadow-soft:0 12px 26px rgba(0,0,0,.22);
      --radius-xl:24px;
      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:10px;
      --container:1280px;
      --gap:24px;
      --gap-sm:16px;
      --gap-xs:10px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --header-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 14%, rgba(104, 155, 130, .16), transparent 22%),
        radial-gradient(circle at 78% 8%, rgba(200, 164, 106, .10), transparent 18%),
        linear-gradient(180deg, #07110d 0%, #0a1411 38%, #07110d 100%);
      min-height:100vh;
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:64px 64px,64px 64px;
      opacity:.22;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.92), rgba(0,0,0,.42) 72%, rgba(0,0,0,.15));
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .skip-link{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:20px;
      top:14px;
      width:auto;height:auto;
      padding:10px 14px;
      background:#fff;
      color:#000;
      border-radius:10px;
      z-index:9999;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(16px);
      background:linear-gradient(180deg, rgba(7,17,13,.92), rgba(7,17,13,.74));
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(200,164,106,.18), rgba(109,165,142,.14)),
        rgba(255,255,255,.03);
      border:1px solid rgba(200,164,106,.26);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      color:var(--gold-2);
      font-weight:800;
      letter-spacing:.08em;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
      min-width:0;
    }
    .brand-text strong{
      font-size:1.02rem;
      letter-spacing:.02em;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-text span{
      color:var(--muted);
      font-size:.82rem;
      margin-top:4px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:center;
    }
    .site-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
      font-size:.95rem;
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .site-nav a.active{
      color:#07110d;
      background:linear-gradient(135deg, var(--gold-2), var(--gold));
      border-color:rgba(255,255,255,.18);
      box-shadow:0 10px 24px rgba(200,164,106,.16);
      font-weight:700;
    }
    .header-cta{
      flex:0 0 auto;
      padding:11px 16px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(200,164,106,.96), rgba(224,192,139,.92));
      color:#08110d;
      font-weight:700;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 14px 32px rgba(200,164,106,.16);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
    }
    .header-cta:hover,
    .header-cta:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 18px 36px rgba(200,164,106,.22);
      filter:saturate(1.02);
      outline:none;
    }
    main{position:relative;z-index:1}
    .hero{
      padding:24px 0 10px;
    }
    .hero-shell{
      position:relative;
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(8,18,15,.92) 0%, rgba(10,18,15,.74) 52%, rgba(11,18,15,.94) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 80% 20%, rgba(200,164,106,.16), transparent 18%),
        radial-gradient(circle at 18% 78%, rgba(109,165,142,.16), transparent 22%),
        linear-gradient(180deg, rgba(7,17,13,.10), rgba(7,17,13,.38));
      pointer-events:none;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:28px;
      align-items:stretch;
      padding:34px;
      min-height:460px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:var(--gold-2);
      font-size:.82rem;
      letter-spacing:.04em;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 4px rgba(109,165,142,.16);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem, 3vw, 3.55rem);
      line-height:1.12;
      letter-spacing:.01em;
      max-width:14ch;
    }
    .hero p{
      margin:18px 0 0;
      max-width:58ch;
      color:var(--muted);
      font-size:1.02rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:13px 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      min-height:48px;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--gold-2), var(--gold));
      color:#08110d;
      box-shadow:0 14px 28px rgba(200,164,106,.16);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 18px 32px rgba(200,164,106,.20);
      outline:none;
    }
    .btn-secondary{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.10);
      color:var(--text);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.07);
      border-color:rgba(200,164,106,.24);
      outline:none;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#dde2de;
      font-size:.92rem;
      backdrop-filter:blur(4px);
    }
    .hero-visual{
      display:flex;
      flex-direction:column;
      gap:14px;
      justify-content:space-between;
    }
    .visual-frame{
      position:relative;
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      min-height:320px;
    }
    .visual-frame img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:320px;
      filter:saturate(1.04) contrast(1.02);
    }
    .visual-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,17,13,.02), rgba(7,17,13,.52));
      pointer-events:none;
    }
    .visual-copy{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      display:grid;
      gap:10px;
    }
    .visual-card{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(7,17,13,.68);
      border:1px solid rgba(255,255,255,.10);
      backdrop-filter:blur(8px);
      color:var(--text);
    }
    .visual-card strong{
      display:block;
      font-size:.98rem;
      line-height:1.25;
    }
    .visual-card span{
      display:block;
      color:var(--muted);
      font-size:.85rem;
      margin-top:4px;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mini-stat{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .mini-stat b{
      display:block;
      color:var(--gold-2);
      font-size:.95rem;
      margin-bottom:4px;
    }
    .mini-stat small{
      color:var(--muted);
      font-size:.83rem;
    }
    .section{
      padding:22px 0;
    }
    .section-card{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      padding:26px 28px 0;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.45rem, 2vw, 2rem);
      line-height:1.2;
    }
    .section-note{
      margin:10px 0 0;
      color:var(--muted);
      max-width:60ch;
      font-size:.98rem;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      font-size:.92rem;
      color:var(--muted);
      padding:0 28px 20px;
    }
    .breadcrumb a{
      color:#e9eee9;
      border-bottom:1px solid transparent;
    }
    .breadcrumb a:hover,
    .breadcrumb a:focus-visible{
      border-color:rgba(233,238,233,.48);
      outline:none;
    }
    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 28px 28px;
      border-top:1px solid rgba(255,255,255,.06);
      flex-wrap:wrap;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-row a{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dfe5e0;
      transition:transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
    }
    .tag-row a:hover,
    .tag-row a:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      border-color:rgba(200,164,106,.24);
      outline:none;
    }
    .sort-box{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      flex-wrap:wrap;
    }
    .sort-box label{
      font-size:.92rem;
    }
    .sort-box select{
      appearance:none;
      min-width:160px;
      padding:11px 38px 11px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      color:var(--text);
      outline:none;
      cursor:pointer;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .sort-box select:focus-visible{
      border-color:rgba(200,164,106,.35);
      box-shadow:0 0 0 4px rgba(200,164,106,.10);
    }
    .showcase{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:22px;
      padding:24px 28px 28px;
    }
    .feature-card,
    .stack-card,
    .info-card,
    .notice-box,
    .cta-box{
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(12,19,16,.72);
      box-shadow:var(--shadow-soft);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }
    .feature-card:hover,
    .stack-card:hover,
    .info-card:hover,
    .notice-box:hover{
      transform:translateY(-2px);
      border-color:rgba(200,164,106,.24);
      box-shadow:0 18px 38px rgba(0,0,0,.28);
    }
    .feature-media{
      position:relative;
      aspect-ratio:16/9;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,17,13,.08), rgba(7,17,13,.46));
    }
    .feature-body{
      padding:20px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(200,164,106,.12);
      border:1px solid rgba(200,164,106,.18);
      color:var(--gold-2);
      font-size:.8rem;
      font-weight:700;
      letter-spacing:.03em;
    }
    .feature-body h2,
    .stack-card h3,
    .info-card h3,
    .notice-box h3,
    .cta-box h3{
      margin:14px 0 10px;
      line-height:1.25;
    }
    .feature-body h2{font-size:1.5rem}
    .feature-body p,
    .stack-card p,
    .info-card p,
    .notice-box p,
    .cta-box p{
      margin:0;
      color:var(--muted);
    }
    .feature-list{
      display:grid;
      gap:10px;
      padding:18px 0 0;
      margin:0;
      list-style:none;
    }
    .feature-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dbe1dc;
      font-size:.95rem;
    }
    .feature-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.58em;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 4px rgba(109,165,142,.12);
      flex:0 0 auto;
    }
    .stack-list{
      display:grid;
      gap:14px;
    }
    .stack-card{
      display:grid;
      grid-template-columns:120px minmax(0,1fr);
      gap:14px;
      padding:14px;
    }
    .stack-thumb{
      border-radius:14px;
      overflow:hidden;
      aspect-ratio:1/1;
      background:#0e1714;
    }
    .stack-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .stack-meta{
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-width:0;
    }
    .stack-meta .meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:8px;
    }
    .meta span{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#d9dfda;
      font-size:.76rem;
    }
    .stack-card h3{
      font-size:1.03rem;
      margin:0 0 8px;
    }
    .stack-card p{
      font-size:.93rem;
    }
    .cards{
      padding:0 28px 28px;
    }
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .info-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .info-card .card-media{
      aspect-ratio:4/3;
      position:relative;
      overflow:hidden;
    }
    .info-card .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .info-card .card-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .info-card h3{
      font-size:1.08rem;
      margin:0;
    }
    .info-card p{
      font-size:.94rem;
      line-height:1.75;
      flex:1;
    }
    .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding-top:4px;
      color:var(--soft);
      font-size:.82rem;
    }
    .notice-wrap{
      padding:24px 28px 28px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .notice-box{
      padding:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
        rgba(12,19,16,.72);
    }
    .notice-box h3{
      font-size:1.2rem;
    }
    .notice-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
    }
    .notice-list li{
      display:grid;
      gap:6px;
      padding-left:14px;
      border-left:2px solid rgba(200,164,106,.28);
    }
    .notice-list strong{
      font-size:.98rem;
      color:#f1eee8;
    }
    .notice-list span{
      color:var(--muted);
      font-size:.94rem;
    }
    .faq{
      padding:24px 28px 28px;
    }
    .faq-list{
      display:grid;
      gap:14px;
      margin-top:18px;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:border-color .22s var(--ease), transform .22s var(--ease), background-color .22s var(--ease);
    }
    details:hover{
      border-color:rgba(200,164,106,.22);
      transform:translateY(-1px);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:700;
      color:var(--text);
      position:relative;
      padding-right:56px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      position:absolute;
      right:18px;
      top:50%;
      transform:translateY(-50%);
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.05);
      color:var(--gold-2);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .22s var(--ease), background-color .22s var(--ease);
    }
    details[open] summary::after{
      content:"–";
      background:rgba(200,164,106,.12);
    }
    details p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
    }
    .cta{
      padding:24px 0 10px;
    }
    .cta-box{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:26px 28px;
      background:
        linear-gradient(135deg, rgba(24,39,33,.88), rgba(10,18,15,.84)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      position:relative;
    }
    .cta-box::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(7,17,13,.26), rgba(7,17,13,.74));
      pointer-events:none;
    }
    .cta-copy,
    .cta-actions{
      position:relative;
      z-index:1;
    }
    .cta-box h3{
      font-size:1.42rem;
      margin:0 0 8px;
    }
    .cta-box p{
      max-width:60ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      align-items:center;
    }
    .footer{
      margin-top:24px;
      padding:34px 0 28px;
      border-top:1px solid rgba(255,255,255,.06);
      background:linear-gradient(180deg, rgba(7,17,13,.18), rgba(7,17,13,.50));
      position:relative;
      z-index:1;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(170px,.7fr));
      gap:26px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:1.1rem;
      margin-bottom:10px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:38ch;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:1rem;
      color:#f3efe6;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color .2s var(--ease), transform .2s var(--ease);
      width:max-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--gold-2);
      transform:translateX(2px);
      outline:none;
    }
    .copyright{
      margin-top:26px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--soft);
      font-size:.9rem;
      text-align:center;
    }
    .section-spacer{height:8px}
    .mobile-only{display:none}
    @media (max-width: 1180px){
      .hero-inner,
      .showcase,
      .notice-wrap,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .hero h1{max-width:18ch}
      .cta-box{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 860px){
      :root{--header-h:72px}
      .header-inner{
        flex-wrap:wrap;
        justify-content:center;
      }
      .brand{width:100%;justify-content:center}
      .site-nav{order:3;width:100%;justify-content:center}
      .header-cta{order:2}
      .hero-inner{padding:24px;min-height:auto}
      .hero h1{font-size:clamp(1.9rem, 8vw, 2.8rem)}
      .section-head,
      .filter-bar,
      .cards,
      .notice-wrap,
      .faq,
      .cta-box,
      .breadcrumb{
        padding-left:20px;
        padding-right:20px;
      }
      .cards-grid{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:1fr}
      .stack-card{grid-template-columns:96px minmax(0,1fr)}
      .feature-body h2{font-size:1.28rem}
      .hero-tags{gap:8px}
    }
    @media (max-width: 560px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero-shell{border-radius:20px}
      .hero-inner{padding:18px}
      .site-nav a,.header-cta{padding:10px 13px}
      .brand-text strong{font-size:.98rem}
      .brand-text span{font-size:.78rem}
      .btn{width:100%}
      .hero-actions{width:100%}
      .hero-actions .btn{flex:1 1 100%}
      .filter-bar{gap:12px}
      .sort-box{width:100%;justify-content:space-between}
      .sort-box select{width:100%;min-width:0}
      .stack-card{grid-template-columns:1fr}
      .stack-thumb{aspect-ratio:16/9}
      .cta-actions{width:100%}
      .cta-actions .btn{width:100%}
      summary{padding-right:48px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }
    :focus-visible{
      outline:3px solid rgba(224,192,139,.5);
      outline-offset:2px;
    }