/* roulang page: index */
:root{
      --bg:#080612;
      --bg-2:#110b22;
      --panel:rgba(24,18,42,.78);
      --panel-2:rgba(255,255,255,.06);
      --text:#f8f5ff;
      --muted:#b9acd1;
      --weak:#84799a;
      --line:rgba(255,255,255,.12);
      --hot:#ff2fa0;
      --violet:#8b5cf6;
      --cyan:#28d7ff;
      --green:#8dff75;
      --orange:#ffb23f;
      --radius:22px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(0,0,0,.32);
      --glow:0 0 34px rgba(255,47,160,.24);
      --side:282px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 10%, rgba(255,47,160,.22), transparent 28%),
        radial-gradient(circle at 85% 18%, rgba(40,215,255,.18), transparent 30%),
        radial-gradient(circle at 60% 92%, rgba(139,92,246,.20), transparent 32%),
        linear-gradient(135deg,var(--bg),var(--bg-2) 56%,#090713);
      line-height:1.7;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),rgba(0,0,0,.15));
    }

    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(/%23n)' opacity='.45'/%3E%3C/svg%3E");
    }

    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(255,47,160,.35);color:#fff}
    :focus-visible{outline:3px solid rgba(40,215,255,.75);outline-offset:3px;border-radius:14px}

    .layout{
      display:grid;
      grid-template-columns:var(--side) minmax(0,1fr);
      min-height:100vh;
    }

    .side-nav{
      position:sticky;
      top:0;
      height:100vh;
      padding:24px 18px;
      border-right:1px solid var(--line);
      background:linear-gradient(180deg,rgba(8,6,18,.94),rgba(16,10,31,.88));
      backdrop-filter:blur(18px);
      z-index:50;
      display:flex;
      flex-direction:column;
      gap:22px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:24px;
      background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      box-shadow:var(--shadow);
    }

    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#090713;
      background:linear-gradient(135deg,var(--hot),var(--cyan) 58%,var(--green));
      box-shadow:0 0 30px rgba(255,47,160,.35);
      flex:0 0 auto;
    }

    .brand-name{
      font-size:15px;
      font-weight:900;
      line-height:1.25;
      letter-spacing:.02em;
    }

    .brand-note{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    .nav-block{
      padding:14px;
      border-radius:24px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
    }

    .nav-title{
      font-size:12px;
      color:var(--weak);
      margin:0 0 10px;
      letter-spacing:.12em;
    }

    .nav-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 13px;
      border-radius:17px;
      color:var(--muted);
      transition:.24s ease;
      font-size:14px;
      margin:4px 0;
    }

    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateX(3px);
    }

    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,47,160,.32),rgba(139,92,246,.22));
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--glow);
    }

    .nav-pill{
      font-size:11px;
      padding:2px 8px;
      border-radius:999px;
      background:rgba(40,215,255,.16);
      color:#96efff;
      border:1px solid rgba(40,215,255,.28);
    }

    .side-bottom{
      margin-top:auto;
      padding:15px;
      border-radius:24px;
      color:var(--muted);
      background:linear-gradient(135deg,rgba(141,255,117,.08),rgba(40,215,255,.06));
      border:1px solid rgba(141,255,117,.14);
      font-size:13px;
    }

    .mobile-top{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      padding:12px 14px;
      background:rgba(8,6,18,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }

    .mobile-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }

    .mobile-menu{
      display:none;
      margin-top:12px;
      padding:10px;
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(20,14,37,.96);
    }

    .mobile-menu.open{display:block}

    .hamburger{
      width:44px;
      height:44px;
      border-radius:15px;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
    }

    .chip-scroll{
      display:flex;
      gap:10px;
      overflow:auto;
      padding:10px 0 2px;
      scrollbar-width:none;
    }

    .chip-scroll::-webkit-scrollbar{display:none}

    .main{
      min-width:0;
      padding:26px 24px 118px;
    }

    .container{
      width:min(1180px,100%);
      margin:0 auto;
    }

    .section{
      margin-top:26px;
      border-radius:var(--radius-lg);
      position:relative;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:#101019;
      background:linear-gradient(135deg,var(--green),var(--cyan));
      box-shadow:0 0 28px rgba(40,215,255,.22);
    }

    .section-title{
      margin:8px 0 0;
      font-size:clamp(24px,3vw,38px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.04em;
    }

    .section-desc{
      max-width:680px;
      color:var(--muted);
      font-size:15px;
      margin-top:9px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      font-weight:900;
      transition:.22s ease;
      white-space:nowrap;
      border:1px solid transparent;
    }

    .btn-primary{
      color:#100814;
      background:linear-gradient(135deg,var(--hot),#ff7bd0 42%,var(--cyan));
      box-shadow:0 12px 32px rgba(255,47,160,.24);
    }

    .btn-primary:hover{
      transform:translateY(-2px);
      filter:saturate(1.18);
      box-shadow:0 18px 44px rgba(255,47,160,.34);
    }

    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.14);
    }

    .btn-ghost:hover{
      transform:translateY(-2px);
      border-color:rgba(40,215,255,.45);
      background:rgba(40,215,255,.12);
      box-shadow:0 14px 34px rgba(40,215,255,.14);
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
    }

    .badge.hot{background:rgba(255,47,160,.16);border-color:rgba(255,47,160,.32);color:#ffd2eb}
    .badge.cyan{background:rgba(40,215,255,.14);border-color:rgba(40,215,255,.28);color:#bdf6ff}
    .badge.green{background:rgba(141,255,117,.13);border-color:rgba(141,255,117,.25);color:#d8ffd0}
    .badge.violet{background:rgba(139,92,246,.16);border-color:rgba(139,92,246,.3);color:#ddd2ff}

    .hero{
      overflow:hidden;
      padding:34px;
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(135deg,rgba(255,47,160,.16),transparent 34%),
        linear-gradient(225deg,rgba(40,215,255,.15),transparent 38%),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow);
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:center;
    }

    .hero h1{
      margin:14px 0 14px;
      font-size:clamp(38px,6vw,74px);
      line-height:.98;
      font-weight:1000;
      letter-spacing:-.06em;
    }

    .hero-copy{
      max-width:680px;
      color:#d7cee8;
      font-size:17px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }

    .hero-stats{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }

    .stat{
      min-width:132px;
      padding:13px 14px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
    }

    .stat b{
      display:block;
      font-size:22px;
      line-height:1;
      color:#fff;
    }

    .stat span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:6px;
    }

    .matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      padding:16px;
      border-radius:30px;
      background:rgba(8,6,18,.42);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.025);
    }

    .matrix-card{
      min-height:94px;
      border-radius:22px;
      padding:12px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.12);
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }

    .matrix-card::after{
      content:"";
      position:absolute;
      width:52px;height:52px;
      right:-16px;bottom:-16px;
      border-radius:50%;
      background:var(--hot);
      filter:blur(18px);
      opacity:.26;
    }

    .matrix-card:nth-child(2n)::after{background:var(--cyan)}
    .matrix-card:nth-child(3n)::after{background:var(--green)}
    .matrix-card:hover{
      transform:translateY(-4px) rotate(-1deg);
      border-color:rgba(255,255,255,.28);
      background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.05));
    }

    .matrix-icon{
      width:32px;height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#110816;
      font-weight:950;
      background:linear-gradient(135deg,var(--hot),var(--cyan));
    }

    .matrix-card span{
      position:relative;
      color:#fff;
      font-size:13px;
      font-weight:900;
      line-height:1.35;
    }

    .status-bar{
      grid-column:1 / -1;
      padding:13px 14px;
      border-radius:18px;
      background:rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:13px;
    }

    .pulse{
      width:10px;height:10px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 7px rgba(141,255,117,.13);
      flex:0 0 auto;
    }

    .catalog-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }

    .catalog-panel,.soft-panel{
      border-radius:30px;
      padding:22px;
      background:var(--panel);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
    }

    .vertical-cards{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:15px;
    }

    .feature-card{
      min-height:260px;
      border-radius:26px;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.035)),
        linear-gradient(135deg,rgba(255,47,160,.12),rgba(40,215,255,.05));
      border:1px solid rgba(255,255,255,.14);
      transition:.24s ease;
      overflow:hidden;
      position:relative;
    }

    .feature-card::before{
      content:"";
      position:absolute;
      inset:auto -20% -35% -20%;
      height:120px;
      background:radial-gradient(circle,rgba(255,47,160,.28),transparent 60%);
      transition:.24s ease;
    }

    .feature-card:nth-child(2)::before{background:radial-gradient(circle,rgba(40,215,255,.26),transparent 60%)}
    .feature-card:nth-child(3)::before{background:radial-gradient(circle,rgba(141,255,117,.22),transparent 60%)}

    .feature-card:hover{
      transform:translateY(-6px);
      border-color:rgba(255,255,255,.26);
    }

    .feature-card:hover::before{transform:scale(1.15)}

    .feature-card h3,.topic-card h3,.recommend-card h3{
      position:relative;
      margin:14px 0 8px;
      font-size:22px;
      font-weight:950;
      line-height:1.2;
    }

    .feature-card p,.topic-card p,.recommend-card p{
      position:relative;
      color:var(--muted);
      font-size:14px;
      margin:0;
    }

    .mini-action{
      position:relative;
      margin-top:18px;
      display:inline-flex;
      align-items:center;
      width:max-content;
      color:#fff;
      font-size:13px;
      font-weight:900;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      transition:.22s ease;
    }

    .mini-action:hover{
      background:rgba(255,47,160,.18);
      border-color:rgba(255,47,160,.32);
    }

    .directory-list{
      display:grid;
      gap:12px;
    }

    .directory-item{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.11);
      transition:.22s ease;
    }

    .directory-item:hover{
      transform:translateX(3px);
      border-color:rgba(40,215,255,.28);
      background:rgba(40,215,255,.08);
    }

    .directory-item strong{
      display:block;
      font-size:15px;
      line-height:1.25;
    }

    .directory-item span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }

    .topic-wrap{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .topic-chip{
      padding:10px 14px;
      border-radius:999px;
      color:#fff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      transition:.2s ease;
      font-size:14px;
      font-weight:800;
    }

    .topic-chip:hover{
      transform:translateY(-2px);
      background:rgba(139,92,246,.18);
      border-color:rgba(139,92,246,.34);
    }

    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }

    .guide-step{
      border-radius:24px;
      padding:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      transition:.22s ease;
    }

    .guide-step:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.08);
    }

    .step-num{
      display:inline-grid;
      place-items:center;
      width:38px;height:38px;
      border-radius:14px;
      color:#100814;
      font-weight:950;
      background:linear-gradient(135deg,var(--green),var(--cyan));
    }

    .guide-step h3{
      margin:14px 0 6px;
      font-weight:950;
      font-size:18px;
    }

    .guide-step p{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }

    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }

    .recommend-card{
      min-height:230px;
      border-radius:28px;
      padding:18px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04)),
        rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
      transition:.24s ease;
    }

    .recommend-card:hover{
      transform:translateY(-6px);
      border-color:rgba(255,47,160,.34);
      box-shadow:0 18px 45px rgba(255,47,160,.12);
    }

    .cover-block{
      height:104px;
      border-radius:22px;
      margin-bottom:14px;
      background:
        linear-gradient(135deg,rgba(255,47,160,.65),rgba(139,92,246,.48) 48%,rgba(40,215,255,.45)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.18) 0 1px,transparent 1px 11px);
      position:relative;
      overflow:hidden;
    }

    .cover-block::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:17px;
      border:1px solid rgba(255,255,255,.22);
      background:linear-gradient(180deg,rgba(255,255,255,.14),transparent);
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:18px;
    }

    .news-list{
      display:grid;
      gap:10px;
    }

    .news-link{
      display:grid;
      grid-template-columns:92px minmax(0,1fr) auto;
      align-items:center;
      gap:14px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
      transition:.22s ease;
    }

    .news-link:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.08);
      border-color:rgba(40,215,255,.28);
    }

    .news-tag{
      text-align:center;
      padding:7px 8px;
      border-radius:14px;
      font-size:12px;
      font-weight:900;
      color:#101019;
      background:linear-gradient(135deg,var(--orange),var(--hot));
    }

    .news-link strong{
      display:block;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:15px;
    }

    .news-link span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .side-reco{
      display:grid;
      gap:12px;
    }

    .rank-item{
      padding:14px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.055);
    }

    .rank-item b{
      color:#fff;
      font-size:14px;
    }

    .rank-item p{
      color:var(--muted);
      font-size:13px;
      margin:5px 0 0;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }

    .proof-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
    }

    .proof-card b{
      display:block;
      font-size:30px;
      line-height:1;
      background:linear-gradient(135deg,var(--hot),var(--cyan));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .proof-card span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:8px;
    }

    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      overflow:hidden;
    }

    .faq-q{
      width:100%;
      padding:17px 18px;
      color:#fff;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      font-weight:950;
    }

    .faq-q:hover{background:rgba(255,255,255,.045)}
    .faq-q .plus{color:var(--cyan);font-size:20px;transition:.2s ease}
    .faq-item.open .plus{transform:rotate(45deg);color:var(--hot)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }

    .faq-a p{
      margin:0;
      padding:0 18px 18px;
      color:var(--muted);
      font-size:14px;
    }

    .share-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }

    .share-card{
      padding:22px;
      border-radius:30px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(255,47,160,.12),rgba(40,215,255,.08)),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow);
    }

    .share-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .site-footer{
      margin-top:28px;
      padding:28px 0 8px;
      color:var(--muted);
    }

    .footer-panel{
      display:grid;
      grid-template-columns:1.1fr .9fr .8fr;
      gap:18px;
      padding:24px;
      border-radius:30px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
    }

    .footer-title{
      color:#fff;
      font-weight:950;
      font-size:18px;
      margin-bottom:8px;
    }

    .footer-links{
      display:grid;
      gap:8px;
    }

    .footer-links a{
      color:var(--muted);
      transition:.2s ease;
      font-size:14px;
    }

    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:16px;
      font-size:12px;
      color:var(--weak);
      text-align:center;
    }

    .fixed-cta{
      position:fixed;
      left:calc(var(--side) + 24px);
      right:24px;
      bottom:18px;
      z-index:70;
      padding:12px;
      border-radius:24px;
      background:rgba(13,9,25,.82);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 60px rgba(0,0,0,.38);
    }

    .fixed-inner{
      width:min(1180px,100%);
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }

    .fixed-title{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:950;
    }

    .fixed-title small{
      display:block;
      color:var(--muted);
      font-weight:600;
      margin-top:2px;
    }

    .fixed-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }

    @media (max-width:1120px){
      :root{--side:250px}
      .hero-grid,.catalog-grid,.news-layout,.share-grid{grid-template-columns:1fr}
      .matrix{grid-template-columns:repeat(4,1fr)}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
    }

    @media (max-width:900px){
      .layout{display:block}
      .side-nav{display:none}
      .mobile-top{display:block}
      .main{padding:18px 14px 112px}
      .fixed-cta{left:12px;right:12px;bottom:12px;border-radius:22px}
      .fixed-inner{align-items:flex-start}
      .fixed-title small{display:none}
      .vertical-cards,.recommend-grid,.guide-grid{grid-template-columns:1fr 1fr}
      .footer-panel{grid-template-columns:1fr}
    }

    @media (max-width:640px){
      .hero{padding:22px;border-radius:26px}
      .matrix{grid-template-columns:repeat(2,1fr);padding:12px}
      .status-bar{grid-column:auto;flex-direction:column;align-items:flex-start}
      .vertical-cards,.recommend-grid,.guide-grid,.proof-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .news-link{grid-template-columns:76px minmax(0,1fr)}
      .news-link .arrow{display:none}
      .share-grid{grid-template-columns:1fr}
      .fixed-inner{display:grid;grid-template-columns:1fr;gap:10px}
      .fixed-actions{justify-content:stretch}
      .fixed-actions .btn{flex:1;padding:0 12px}
      .hero-actions .btn{width:100%}
      .hero-stats{display:grid;grid-template-columns:1fr 1fr}
      .stat{min-width:0}
    }

    @media (max-width:420px){
      .hero h1{font-size:36px}
      .section-title{font-size:24px}
      .brand-name{font-size:13px}
      .hero-stats{grid-template-columns:1fr}
      .fixed-actions{display:grid;grid-template-columns:1fr 1fr}
    }

/* roulang page: category1 */
:root {
      --bg: #080812;
      --bg-soft: #11111f;
      --panel: rgba(19, 18, 34, .82);
      --panel-strong: rgba(26, 23, 45, .94);
      --text: #f7f4ff;
      --muted: #b9b0cd;
      --weak: #827996;
      --line: rgba(255,255,255,.12);
      --pink: #ff3fa4;
      --violet: #8b5cf6;
      --cyan: #22d3ee;
      --green: #a3ff3f;
      --orange: #ffb14a;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow: 0 22px 70px rgba(0, 0, 0, .38);
      --glow: 0 0 32px rgba(255, 63, 164, .22), 0 0 40px rgba(34, 211, 238, .14);
      --side: 292px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(255,63,164,.22), transparent 30%),
        radial-gradient(circle at 86% 16%, rgba(34,211,238,.2), transparent 28%),
        radial-gradient(circle at 72% 72%, rgba(163,255,63,.11), transparent 30%),
        linear-gradient(135deg, #070711 0%, #111022 52%, #080812 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 38px 38px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .18;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(/%23n)' opacity='.5'/%3E%3C/svg%3E");
    }

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

    button, input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

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

    ::selection {
      background: rgba(255, 63, 164, .35);
      color: #fff;
    }

    .page-shell {
      display: grid;
      grid-template-columns: var(--side) minmax(0, 1fr);
      min-height: 100vh;
    }

    .side-header {
      position: sticky;
      top: 0;
      height: 100vh;
      padding: 24px 18px;
      border-right: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(10,10,22,.92), rgba(16,14,31,.82));
      backdrop-filter: blur(18px);
      z-index: 30;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .brand-card {
      padding: 18px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255,63,164,.16), transparent 45%),
        linear-gradient(315deg, rgba(34,211,238,.14), transparent 45%),
        rgba(255,255,255,.045);
      box-shadow: var(--glow);
    }

    .brand-link {
      display: grid;
      gap: 8px;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #081018;
      font-weight: 900;
      background: linear-gradient(135deg, var(--green), var(--cyan) 45%, var(--pink));
      box-shadow: 0 0 28px rgba(34,211,238,.28);
    }

    .brand-name {
      margin: 0;
      font-size: 20px;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-note {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .nav-block {
      padding: 14px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.04);
    }

    .nav-title {
      margin: 0 0 10px;
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 46px;
      padding: 10px 12px;
      margin-top: 8px;
      border: 1px solid transparent;
      border-radius: 15px;
      color: var(--muted);
      font-weight: 750;
      transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      transform: translateX(2px);
      color: #fff;
      border-color: rgba(34,211,238,.35);
      background: rgba(34,211,238,.08);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      border-color: rgba(255,63,164,.5);
      background: linear-gradient(135deg, rgba(255,63,164,.22), rgba(139,92,246,.13));
      box-shadow: 0 0 24px rgba(255,63,164,.14);
    }

    .nav-pill {
      flex: 0 0 auto;
      padding: 3px 8px;
      border-radius: 999px;
      color: #061015;
      font-size: 11px;
      font-weight: 900;
      background: var(--green);
    }

    .side-actions {
      margin-top: auto;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .quick-button,
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 11px 16px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.13);
      color: #fff;
      font-weight: 850;
      background: rgba(255,255,255,.055);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }

    .quick-button:hover,
    .btn:hover,
    .quick-button:focus-visible,
    .btn:focus-visible {
      transform: translateY(-2px);
      border-color: rgba(34,211,238,.42);
      box-shadow: 0 14px 34px rgba(0,0,0,.25), 0 0 24px rgba(34,211,238,.16);
      outline: none;
    }

    .btn-primary {
      color: #090915;
      border-color: transparent;
      background: linear-gradient(135deg, var(--green), var(--cyan) 42%, var(--pink));
      box-shadow: 0 16px 34px rgba(255,63,164,.18);
    }

    .btn-secondary {
      background: linear-gradient(135deg, rgba(255,63,164,.18), rgba(139,92,246,.18));
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 40;
      padding: 12px 14px;
      border-bottom: 1px solid var(--line);
      background: rgba(8,8,18,.9);
      backdrop-filter: blur(18px);
    }

    .mobile-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 900;
    }

    .mobile-brand span:last-child {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mobile-chips {
      display: flex;
      gap: 10px;
      margin-top: 12px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .mobile-chips::-webkit-scrollbar {
      display: none;
    }

    .chip {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 13px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.13);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      background: rgba(255,255,255,.055);
      transition: .2s ease;
    }

    .chip:hover,
    .chip:focus-visible,
    .chip.active {
      color: #fff;
      border-color: rgba(255,63,164,.48);
      background: rgba(255,63,164,.16);
      outline: none;
    }

    .content {
      min-width: 0;
      padding: 28px 32px 120px;
    }

    .container {
      width: min(1180px, 100%);
      margin: 0 auto;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(320px, .85fr);
      gap: 26px;
      padding: 30px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.065), rgba(255,255,255,.025)),
        radial-gradient(circle at 80% 12%, rgba(255,63,164,.24), transparent 32%),
        var(--panel);
      box-shadow: var(--shadow);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 12px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.055);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #071018;
      font-size: 13px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--green), var(--cyan));
    }

    h1 {
      margin: 18px 0 14px;
      max-width: 820px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: 0;
    }

    .lead {
      margin: 0;
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 24px;
    }

    .stat-tile {
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
    }

    .stat-num {
      display: block;
      color: #fff;
      font-size: 22px;
      font-weight: 950;
    }

    .stat-label {
      color: var(--weak);
      font-size: 12px;
      font-weight: 750;
    }

    .rank-panel {
      position: relative;
      z-index: 1;
      padding: 18px;
      border-radius: 26px;
      border: 1px solid rgba(255,255,255,.15);
      background: rgba(5,5,14,.48);
      box-shadow: inset 0 0 40px rgba(255,255,255,.035);
    }

    .rank-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .rank-title {
      margin: 0;
      font-size: 18px;
      font-weight: 950;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 46px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 12px;
      margin-top: 10px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.1);
      background: linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
      transition: transform .2s ease, border-color .2s ease;
    }

    .rank-item:hover {
      transform: translateY(-2px);
      border-color: rgba(34,211,238,.35);
    }

    .rank-cover {
      width: 46px;
      height: 60px;
      border-radius: 14px;
      background:
        linear-gradient(160deg, rgba(255,63,164,.9), rgba(139,92,246,.55) 48%, rgba(34,211,238,.75)),
        linear-gradient(45deg, transparent 45%, rgba(255,255,255,.35) 46%, transparent 52%);
      box-shadow: 0 12px 26px rgba(0,0,0,.28);
    }

    .rank-name {
      margin: 0;
      font-size: 14px;
      font-weight: 900;
      line-height: 1.35;
    }

    .rank-desc {
      margin: 3px 0 0;
      color: var(--weak);
      font-size: 12px;
      line-height: 1.45;
    }

    .rank-tag {
      padding: 5px 9px;
      border-radius: 999px;
      color: #081018;
      font-size: 11px;
      font-weight: 950;
      background: var(--orange);
    }

    .section {
      margin-top: 34px;
      padding: 28px;
      border-radius: 28px;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.035);
    }

    .section-header {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: end;
      gap: 18px;
      margin-bottom: 20px;
    }

    .section-kicker {
      display: inline-flex;
      margin-bottom: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 950;
    }

    .section-title {
      margin: 0;
      font-size: clamp(24px, 3vw, 38px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-copy {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 720px;
    }

    .filter-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: var(--panel-strong);
    }

    .filter-chips {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,63,164,.5) transparent;
    }

    .filter-btn {
      min-height: 42px;
      padding: 10px 14px;
      border-radius: 14px;
      color: #fff;
      font-weight: 900;
      border: 1px solid rgba(34,211,238,.35);
      background: rgba(34,211,238,.12);
      transition: .2s ease;
      white-space: nowrap;
    }

    .filter-btn:hover,
    .filter-btn:focus-visible {
      transform: translateY(-2px);
      background: rgba(34,211,238,.18);
      outline: none;
    }

    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(12, minmax(0, 1fr));
      gap: 18px;
    }

    .catalog-card {
      grid-column: span 4;
      position: relative;
      overflow: hidden;
      min-height: 430px;
      display: flex;
      flex-direction: column;
      border-radius: 25px;
      border: 1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      box-shadow: 0 18px 46px rgba(0,0,0,.22);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .catalog-card:nth-child(2),
    .catalog-card:nth-child(5) {
      transform: translateY(18px);
    }

    .catalog-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,63,164,.48);
      box-shadow: 0 24px 70px rgba(0,0,0,.32), 0 0 30px rgba(255,63,164,.14);
    }

    .catalog-card:nth-child(2):hover,
    .catalog-card:nth-child(5):hover {
      transform: translateY(10px);
    }

    .cover-block {
      position: relative;
      height: 190px;
      overflow: hidden;
      background:
        radial-gradient(circle at 25% 18%, rgba(255,255,255,.42), transparent 16%),
        linear-gradient(145deg, rgba(255,63,164,.95), rgba(139,92,246,.72) 42%, rgba(34,211,238,.8));
    }

    .cover-block::before {
      content: "";
      position: absolute;
      inset: 22px 34px 0;
      border-radius: 32px 32px 0 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.24) 0 2px, transparent 2px 14px),
        linear-gradient(145deg, rgba(8,8,18,.38), rgba(255,255,255,.2));
      transform: skewX(-7deg);
      transition: transform .25s ease;
    }

    .catalog-card:hover .cover-block::before {
      transform: skewX(-7deg) scale(1.05);
    }

    .cover-badge {
      position: absolute;
      left: 14px;
      top: 14px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #081018;
      font-size: 12px;
      font-weight: 950;
      background: var(--green);
    }

    .card-body {
      display: flex;
      flex: 1;
      flex-direction: column;
      padding: 18px;
    }

    .card-title {
      margin: 0;
      font-size: 20px;
      line-height: 1.3;
      font-weight: 950;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 12px 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 999px;
      color: #fff;
      font-size: 12px;
      font-weight: 850;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.07);
    }

    .tag.hot {
      color: #081018;
      background: var(--pink);
    }

    .tag.new {
      color: #081018;
      background: var(--cyan);
    }

    .tag.soft {
      color: #081018;
      background: var(--green);
    }

    .card-copy {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .card-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-top: auto;
      padding-top: 18px;
    }

    .mini-action {
      padding: 9px 12px;
      border-radius: 999px;
      color: #081018;
      font-size: 13px;
      font-weight: 950;
      background: linear-gradient(135deg, var(--green), var(--cyan));
      transition: transform .2s ease;
    }

    .mini-action:hover,
    .mini-action:focus-visible {
      transform: translateY(-2px);
      outline: none;
    }

    .save-text {
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .flow-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 18px;
      align-items: stretch;
    }

    .flow-card,
    .proof-card,
    .faq-item {
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 22px;
      background: rgba(255,255,255,.055);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .flow-card {
      padding: 20px;
    }

    .flow-card:hover,
    .proof-card:hover {
      transform: translateY(-3px);
      border-color: rgba(34,211,238,.35);
      background: rgba(255,255,255,.075);
    }

    .step-num {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 14px;
      border-radius: 15px;
      color: #081018;
      font-weight: 950;
      background: var(--orange);
    }

    .flow-card h3,
    .proof-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 950;
    }

    .flow-card p,
    .proof-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .timeline {
      display: grid;
      gap: 12px;
    }

    .timeline-row {
      display: grid;
      grid-template-columns: 86px 1fr;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.1);
      background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.026));
    }

    .time-dot {
      display: inline-flex;
      justify-content: center;
      padding: 8px;
      border-radius: 999px;
      color: #081018;
      font-size: 12px;
      font-weight: 950;
      background: var(--cyan);
    }

    .timeline-row strong {
      display: block;
      font-size: 15px;
      line-height: 1.4;
    }

    .timeline-row span {
      display: block;
      color: var(--weak);
      font-size: 13px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .proof-card {
      padding: 18px;
    }

    .proof-value {
      margin: 0 0 6px;
      color: var(--green);
      font-size: 28px;
      line-height: 1;
      font-weight: 950;
    }

    .load-more {
      display: flex;
      justify-content: center;
      margin-top: 36px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
    }

    .faq-item summary {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 17px 18px;
      cursor: pointer;
      font-weight: 950;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #081018;
      background: var(--green);
      transition: transform .2s ease;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-item p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 20px;
      padding: 26px;
      border-radius: 28px;
      border: 1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(circle at 16% 20%, rgba(163,255,63,.22), transparent 28%),
        linear-gradient(135deg, rgba(255,63,164,.18), rgba(34,211,238,.1)),
        rgba(255,255,255,.055);
      box-shadow: var(--glow);
    }

    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 38px);
      line-height: 1.2;
      font-weight: 950;
    }

    .cta-panel p {
      margin: 0;
      color: var(--muted);
    }

    .site-footer {
      margin-top: 34px;
      padding-bottom: 10px;
    }

    .footer-panel {
      display: grid;
      grid-template-columns: 1.2fr .85fr .85fr;
      gap: 24px;
      padding: 24px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 26px;
      background: rgba(7,7,16,.72);
    }

    .footer-title {
      margin-bottom: 10px;
      font-size: 16px;
      font-weight: 950;
    }

    .footer-panel p {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }

    .copyright {
      margin: 14px 0 0;
      color: var(--weak);
      font-size: 13px;
      text-align: center;
    }

    .bottom-bar {
      position: fixed;
      left: calc(var(--side) + 32px);
      right: 32px;
      bottom: 18px;
      z-index: 35;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 22px;
      background: rgba(9,9,20,.84);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 60px rgba(0,0,0,.42);
    }

    .bottom-note {
      min-width: 0;
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
    }

    .bottom-actions {
      display: flex;
      flex: 0 0 auto;
      gap: 10px;
    }

    @media (max-width: 1180px) {
      :root {
        --side: 260px;
      }

      .content {
        padding: 22px 22px 118px;
      }

      .hero-panel {
        grid-template-columns: 1fr;
      }

      .catalog-card {
        grid-column: span 6;
      }

      .catalog-card:nth-child(2),
      .catalog-card:nth-child(5),
      .catalog-card:nth-child(2):hover,
      .catalog-card:nth-child(5):hover {
        transform: none;
      }

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

    @media (max-width: 920px) {
      .page-shell {
        display: block;
      }

      .side-header {
        display: none;
      }

      .mobile-topbar {
        display: block;
      }

      .content {
        padding: 18px 14px 128px;
      }

      .hero-panel,
      .section {
        padding: 20px;
        border-radius: 24px;
      }

      .section-header,
      .filter-shell,
      .flow-layout,
      .cta-panel,
      .footer-panel {
        grid-template-columns: 1fr;
      }

      .bottom-bar {
        left: 12px;
        right: 12px;
        bottom: 12px;
      }
    }

    @media (max-width: 640px) {
      h1 {
        font-size: 34px;
      }

      .hero-stats,
      .proof-grid {
        grid-template-columns: 1fr;
      }

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

      .catalog-card {
        grid-column: span 1;
        min-height: 0;
      }

      .filter-shell {
        padding: 12px;
      }

      .filter-btn {
        width: 100%;
      }

      .timeline-row {
        grid-template-columns: 1fr;
      }

      .bottom-bar {
        align-items: stretch;
        flex-direction: column;
      }

      .bottom-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .bottom-actions .btn {
        min-height: 40px;
        padding: 9px 10px;
        font-size: 13px;
      }
    }