/* roulang page: index */
:root{
      --green-50:#f0fdf4;
      --green-100:#dcfce7;
      --green-200:#bbf7d0;
      --green-500:#22c55e;
      --green-600:#16a34a;
      --green-700:#15803d;
      --green-800:#166534;
      --emerald-950:#064e3b;
      --amber-50:#fffbeb;
      --amber-100:#fef3c7;
      --amber-500:#f59e0b;
      --slate-950:#0f172a;
      --slate-800:#1e293b;
      --slate-700:#334155;
      --slate-600:#475569;
      --slate-500:#64748b;
      --slate-300:#cbd5e1;
      --slate-200:#e2e8f0;
      --slate-100:#f1f5f9;
      --gray-50:#f8fafc;
      --white:#ffffff;
      --border:#e5e7eb;
      --radius-sm:12px;
      --radius-md:16px;
      --radius-lg:22px;
      --radius-xl:28px;
      --shadow-sm:0 8px 20px rgba(15,23,42,.05);
      --shadow-md:0 14px 34px rgba(15,23,42,.08);
      --shadow-lg:0 22px 60px rgba(6,78,59,.14);
      --container:1200px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--slate-700);
      background:
        radial-gradient(circle at 18% 6%, rgba(34,197,94,.12), transparent 30%),
        linear-gradient(180deg,#fff 0%,#f8fafc 45%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0;background:transparent}
    :focus-visible{outline:3px solid rgba(34,197,94,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .section{padding:84px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:var(--green-50);color:var(--green-800);
      border:1px solid var(--green-200);
      font-weight:700;font-size:14px;
    }
    .eyebrow::before{
      content:"";width:8px;height:8px;border-radius:50%;
      background:var(--green-600);box-shadow:0 0 0 5px rgba(34,197,94,.12);
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
      margin-bottom:32px;
    }
    .section-title{font-size:34px;line-height:1.18;color:var(--slate-950);font-weight:850;letter-spacing:-.02em}
    .section-desc{max-width:660px;color:var(--slate-600);font-size:17px;margin-top:12px}
    .muted{color:var(--slate-500)}
    .green-text{color:var(--green-700)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(229,231,235,.9);
      backdrop-filter:saturate(180%) blur(14px);
    }
    .nav{
      height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .logo{
      display:flex;align-items:center;gap:10px;min-width:0;
      font-weight:850;color:var(--emerald-950);letter-spacing:-.02em;
    }
    .logo-mark{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;color:#fff;
      background:linear-gradient(135deg,var(--green-600),var(--green-500));
      box-shadow:0 10px 22px rgba(22,163,74,.22);
      flex:0 0 auto;
    }
    .logo-text{
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      max-width:330px;font-size:17px;
    }
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:var(--slate-600);
      font-weight:700;font-size:15px;transition:var(--ease);
    }
    .nav-link:hover{background:var(--green-50);color:var(--green-800)}
    .nav-link.active{background:var(--green-100);color:var(--green-800)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:12px 18px;border-radius:999px;
      font-weight:800;transition:var(--ease);line-height:1.2;
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:var(--green-600);
      box-shadow:0 14px 26px rgba(22,163,74,.22);
    }
    .btn-primary:hover{background:var(--green-700);transform:translateY(-1px);box-shadow:0 18px 32px rgba(22,163,74,.28)}
    .btn-secondary{
      color:var(--emerald-950);background:#fff;border-color:var(--border);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{background:var(--green-50);border-color:var(--green-200);transform:translateY(-1px)}
    .btn-ghost{
      color:var(--green-800);background:var(--green-50);border-color:var(--green-200);
    }
    .btn-ghost:hover{background:var(--green-100);transform:translateY(-1px)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      border:1px solid var(--border);background:#fff;color:var(--slate-800);
    }
    .mobile-panel{
      display:none;border-top:1px solid var(--border);padding:12px 0 18px;
      background:#fff;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav-link{display:block;margin:6px 0;border-radius:14px}
    .mobile-panel .btn{width:100%;margin-top:10px}

    .compliance-bar{
      background:var(--amber-50);
      border-bottom:1px solid var(--amber-100);
      color:#92400e;
      font-size:14px;
    }
    .compliance-inner{
      min-height:42px;display:flex;align-items:center;gap:10px;
    }
    .compliance-icon{
      width:24px;height:24px;border-radius:50%;
      display:grid;place-items:center;background:var(--amber-100);color:#b45309;font-weight:900;
    }

    .hero{
      padding:76px 0 58px;
      position:relative;
      overflow:hidden;
    }
    .hero::after{
      content:"";position:absolute;inset:auto -160px -180px auto;
      width:460px;height:460px;border-radius:50%;
      background:radial-gradient(circle,rgba(34,197,94,.14),transparent 65%);
      pointer-events:none;
    }
    .hero-shell{
      position:relative;
      padding:50px 34px 32px;
      border:1px solid var(--border);
      border-radius:34px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.9)),
        repeating-linear-gradient(90deg,rgba(22,163,74,.04) 0 1px,transparent 1px 44px);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .hero-content{text-align:center;max-width:920px;margin:0 auto;position:relative;z-index:1}
    h1{
      margin-top:18px;
      font-size:clamp(32px,5vw,54px);
      line-height:1.12;
      color:var(--slate-950);
      font-weight:900;
      letter-spacing:-.04em;
    }
    .hero-intro{
      max-width:820px;margin:20px auto 0;
      color:var(--slate-600);font-size:18px;line-height:1.85;
    }
    .search-card{
      max-width:760px;margin:30px auto 0;background:#fff;
      border:1px solid var(--green-200);border-radius:999px;
      padding:8px;display:flex;align-items:center;gap:10px;
      box-shadow:0 16px 44px rgba(15,23,42,.08);
    }
    .search-icon{
      width:44px;height:44px;border-radius:50%;
      background:var(--green-50);color:var(--green-700);
      display:grid;place-items:center;font-weight:900;flex:0 0 auto;
    }
    .search-input{
      border:0;outline:0;flex:1;min-width:0;
      color:var(--slate-800);font-weight:650;
    }
    .search-input::placeholder{color:var(--slate-500);font-weight:500}
    .hero-quick{
      margin:22px auto 0;display:flex;justify-content:center;gap:10px;flex-wrap:wrap;
    }
    .quick-chip{
      display:inline-flex;align-items:center;gap:7px;
      padding:9px 12px;border-radius:999px;
      background:#fff;border:1px solid var(--border);
      color:var(--slate-600);font-size:14px;font-weight:700;
      transition:var(--ease);
    }
    .quick-chip:hover{border-color:var(--green-200);background:var(--green-50);color:var(--green-800);transform:translateY(-1px)}
    .hero-points{
      margin:30px auto 0;
      display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
      max-width:840px;
    }
    .point{
      background:rgba(255,255,255,.82);border:1px solid var(--border);
      border-radius:18px;padding:16px;text-align:left;
    }
    .point strong{display:block;color:var(--slate-950);font-size:18px}
    .point span{font-size:14px;color:var(--slate-500)}
    .stage{
      margin:34px auto 0;max-width:980px;text-align:left;
      background:#fff;border:1px solid var(--border);border-radius:24px;
      overflow:hidden;box-shadow:var(--shadow-md);
    }
    .stage-top{
      height:48px;display:flex;align-items:center;justify-content:space-between;
      padding:0 18px;border-bottom:1px solid var(--border);
      background:linear-gradient(180deg,#fff,var(--gray-50));
    }
    .window-dots{display:flex;gap:7px}
    .window-dots i{width:10px;height:10px;border-radius:50%;display:block;background:var(--slate-300)}
    .window-dots i:nth-child(2){background:var(--amber-500)}
    .window-dots i:nth-child(3){background:var(--green-500)}
    .stage-label{font-size:13px;font-weight:800;color:var(--green-800);background:var(--green-50);border:1px solid var(--green-200);padding:5px 10px;border-radius:999px}
    .stage-grid{
      padding:22px;display:grid;grid-template-columns:1.1fr .9fr;gap:18px;
    }
    .panel-card{
      border:1px solid var(--border);border-radius:18px;padding:18px;background:#fff;
      transition:var(--ease);
    }
    .panel-card:hover{border-color:var(--green-200);box-shadow:var(--shadow-sm)}
    .status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .status-title{font-weight:850;color:var(--slate-950)}
    .status-ok{display:inline-flex;align-items:center;gap:6px;color:var(--green-800);font-weight:800;font-size:13px}
    .status-ok::before{content:"✓";width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:var(--green-100)}
    .progress{height:10px;background:var(--slate-100);border-radius:999px;overflow:hidden}
    .progress span{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--green-600),var(--green-500));border-radius:999px}
    .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:6px 10px;font-size:13px;font-weight:750;
    }
    .badge{background:var(--green-100);color:var(--green-800)}
    .tag{background:var(--slate-100);color:var(--slate-600)}
    .check-list{display:grid;gap:11px}
    .check-list li{list-style:none;display:flex;gap:10px;color:var(--slate-600)}
    .check-list li::before{
      content:"✓";width:22px;height:22px;flex:0 0 auto;
      border-radius:50%;background:var(--green-100);color:var(--green-800);
      display:grid;place-items:center;font-weight:900;font-size:13px;
    }
    .notice{
      margin-top:14px;padding:12px 14px;border-radius:14px;
      background:var(--amber-50);border:1px solid var(--amber-100);
      color:#92400e;font-size:14px;
    }

    .icon-strip{
      background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
      padding:22px 0;
    }
    .strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .strip-item{
      display:flex;align-items:center;gap:12px;padding:14px 16px;
      border-radius:18px;background:var(--gray-50);border:1px solid var(--border);
    }
    .strip-icon{
      width:38px;height:38px;border-radius:14px;background:var(--green-100);
      color:var(--green-800);display:grid;place-items:center;font-weight:900;flex:0 0 auto;
    }
    .strip-item strong{display:block;color:var(--slate-950)}
    .strip-item span{font-size:13px;color:var(--slate-500)}

    .app-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
    .download-card{
      padding:28px;border-radius:26px;background:var(--emerald-950);
      color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
    }
    .download-card::after{
      content:"";position:absolute;width:220px;height:220px;border-radius:50%;
      background:rgba(34,197,94,.2);right:-70px;top:-70px;
    }
    .download-card h2{font-size:30px;line-height:1.2;margin:16px 0 12px;color:#fff}
    .download-card p{color:rgba(255,255,255,.78)}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .entry-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .entry-card{
      background:#fff;border:1px solid var(--border);border-radius:22px;
      padding:22px;box-shadow:var(--shadow-sm);transition:var(--ease);
    }
    .entry-card:hover{transform:translateY(-2px);border-color:var(--green-200);box-shadow:var(--shadow-md)}
    .entry-card h3{font-size:20px;color:var(--slate-950);margin:12px 0 8px}
    .entry-card p{font-size:15px;color:var(--slate-600)}
    .entry-icon{
      width:44px;height:44px;border-radius:16px;background:var(--green-50);
      color:var(--green-800);display:grid;place-items:center;font-weight:900;
      border:1px solid var(--green-200);
    }

    .steps-wrap{position:relative}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{
      position:relative;background:#fff;border:1px solid var(--border);
      border-radius:22px;padding:24px;box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .step-card:hover{transform:translateY(-2px);border-color:var(--green-200);box-shadow:var(--shadow-md)}
    .step-number{
      width:42px;height:42px;border-radius:50%;background:var(--green-600);
      color:#fff;display:grid;place-items:center;font-weight:900;
      box-shadow:0 10px 22px rgba(22,163,74,.25);margin-bottom:18px;
    }
    .step-card h3{font-size:21px;color:var(--slate-950);margin-bottom:8px}
    .step-card p{color:var(--slate-600);font-size:15px}
    .step-meta{margin-top:16px}
    .connector{
      position:absolute;top:52px;left:18%;right:18%;height:2px;
      background:linear-gradient(90deg,var(--green-200) 50%,transparent 50%);
      background-size:14px 2px;z-index:-1;
    }

    .proof-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .case-card{
      background:#fff;border:1px solid var(--green-200);border-radius:26px;
      padding:28px;box-shadow:var(--shadow-md);
    }
    .case-card h3{font-size:24px;color:var(--slate-950);margin:14px 0 10px}
    .case-card p{color:var(--slate-600)}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{
      padding:16px;border-radius:18px;background:var(--green-50);border:1px solid var(--green-200);
    }
    .metric strong{display:block;font-size:24px;color:var(--green-800);line-height:1.1}
    .metric span{font-size:13px;color:var(--slate-600)}
    .proof-stack{display:grid;gap:16px}
    .mini-proof{
      padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .mini-proof h3{font-size:19px;color:var(--slate-950);margin-bottom:8px}
    .mini-proof p{font-size:15px;color:var(--slate-600)}
    .trend{color:var(--green-700);font-weight:900}

    .category-scroller{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start;
    }
    .category-main{
      background:#fff;border:1px solid var(--border);border-radius:26px;padding:26px;
      box-shadow:var(--shadow-sm);
    }
    .category-link{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px;border-radius:20px;background:linear-gradient(180deg,#fff,var(--gray-50));
      border:1px solid var(--green-200);transition:var(--ease);
    }
    .category-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background:var(--green-50)}
    .category-link h3{font-size:22px;color:var(--slate-950)}
    .category-link p{margin-top:6px;color:var(--slate-600);font-size:15px}
    .arrow{
      width:42px;height:42px;border-radius:50%;
      background:var(--green-600);color:#fff;display:grid;place-items:center;
      font-weight:900;flex:0 0 auto;
    }
    .filter-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .rule-panel{
      background:var(--emerald-950);color:#fff;border-radius:26px;padding:26px;
      box-shadow:var(--shadow-lg);
    }
    .rule-panel h3{font-size:22px;margin-bottom:14px}
    .rule-panel p{color:rgba(255,255,255,.76)}
    .rule-panel .check-list{margin-top:18px}
    .rule-panel .check-list li{color:rgba(255,255,255,.82)}
    .rule-panel .check-list li::before{background:rgba(34,197,94,.18);color:#bbf7d0}

    .changelog{
      background:linear-gradient(180deg,var(--gray-50),#fff);
      border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    }
    .timeline{display:grid;gap:14px;max-width:900px}
    .version-item{
      display:grid;grid-template-columns:120px 1fr;gap:18px;
      padding:20px;background:#fff;border:1px solid var(--border);
      border-radius:20px;box-shadow:var(--shadow-sm);
    }
    .version-badge{
      align-self:start;display:inline-flex;justify-content:center;
      padding:7px 10px;border-radius:999px;background:var(--green-100);
      color:var(--green-800);font-weight:900;font-size:13px;
    }
    .version-item h3{font-size:19px;color:var(--slate-950);margin-bottom:5px}
    .version-item p{font-size:15px;color:var(--slate-600)}

    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
    .news-list{
      background:#fff;border:1px solid var(--border);border-radius:26px;
      padding:12px;box-shadow:var(--shadow-sm);
    }
    .news-item{
      display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
      padding:18px;border-radius:18px;transition:var(--ease);
    }
    .news-item + .news-item{border-top:1px solid var(--border)}
    .news-item:hover{background:var(--green-50)}
    .news-item h3{font-size:18px;color:var(--slate-950);margin-bottom:5px}
    .news-item p{font-size:14px;color:var(--slate-600)}
    .news-date{font-size:13px;color:var(--slate-500);white-space:nowrap;padding-top:2px}
    .recommend{
      background:var(--gray-50);border:1px solid var(--border);border-radius:26px;
      padding:24px;height:max-content;
    }
    .recommend h3{font-size:21px;color:var(--slate-950);margin-bottom:12px}
    .recommend p{color:var(--slate-600);font-size:15px}
    .recommend .btn{margin-top:18px;width:100%}

    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    details{
      background:#fff;border:1px solid var(--border);border-radius:18px;
      padding:0;box-shadow:var(--shadow-sm);overflow:hidden;
      transition:var(--ease);
    }
    details:hover{border-color:var(--green-200)}
    details[open]{border-color:var(--green-200);box-shadow:var(--shadow-md)}
    summary{
      list-style:none;min-height:58px;padding:18px 20px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      color:var(--slate-950);font-weight:850;cursor:pointer;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
      background:var(--green-50);color:var(--green-800);font-weight:900;flex:0 0 auto;
    }
    details[open] summary{background:var(--green-50)}
    details[open] summary::after{content:"−";background:var(--green-600);color:#fff}
    .faq-answer{
      padding:16px 20px 20px;border-top:1px solid var(--green-100);
      color:var(--slate-600);font-size:15px;line-height:1.85;
    }

    .cta-panel{
      display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:center;
      padding:34px;border-radius:30px;
      background:
        radial-gradient(circle at 88% 10%,rgba(34,197,94,.22),transparent 28%),
        linear-gradient(135deg,var(--green-50),#fff);
      border:1px solid var(--green-200);box-shadow:var(--shadow-lg);
    }
    .cta-panel h2{font-size:34px;line-height:1.2;color:var(--slate-950);margin-bottom:12px}
    .cta-panel p{color:var(--slate-600)}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .entry-form{
      background:#fff;border:1px solid var(--border);border-radius:22px;padding:20px;
      box-shadow:var(--shadow-sm);
    }
    .form-field{margin-bottom:14px}
    .form-field label{display:block;font-size:14px;font-weight:800;color:var(--slate-700);margin-bottom:6px}
    .form-field input,.form-field select{
      width:100%;height:46px;border-radius:14px;border:1px solid var(--border);
      padding:0 13px;color:var(--slate-800);background:#fff;transition:var(--ease);
      outline:0;
    }
    .form-field input:focus,.form-field select:focus{
      border-color:var(--green-500);box-shadow:0 0 0 4px rgba(34,197,94,.12);
    }
    .checkbox-row{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--slate-600);line-height:1.6;margin:6px 0 16px}
    .checkbox-row input{margin-top:5px;accent-color:var(--green-600)}
    .entry-form .btn{width:100%}

    .site-footer{
      background:var(--emerald-950);color:rgba(255,255,255,.76);
      padding:46px 0 26px;margin-top:34px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px;
      padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;margin-bottom:12px}
    .footer-logo .logo-mark{box-shadow:none}
    .footer-title{color:#fff;font-weight:850;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{transition:var(--ease)}
    .footer-links a:hover{color:#bbf7d0}
    .footer-note{font-size:14px;line-height:1.8}
    .copyright{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:22px;font-size:13px;color:rgba(255,255,255,.58);
    }

    @media (max-width:1024px){
      .container{width:min(var(--container),calc(100% - 48px))}
      .nav-links{display:none}
      .menu-toggle{display:grid;place-items:center}
      .hero-shell{padding:42px 24px 26px}
      .stage-grid,.app-layout,.proof-layout,.category-scroller,.news-layout,.cta-panel{grid-template-columns:1fr}
      .strip-grid{grid-template-columns:repeat(2,1fr)}
      .steps-grid{gap:14px}
      .connector{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:calc(100% - 32px)}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .nav{height:64px}
      .logo-text{max-width:190px;font-size:15px}
      .nav-actions .btn-primary{display:none}
      .compliance-inner{align-items:flex-start;padding:10px 0}
      .hero{padding:46px 0 38px}
      .hero-shell{border-radius:24px;padding:34px 16px 20px}
      h1{letter-spacing:-.03em}
      .hero-intro{font-size:16px}
      .search-card{border-radius:22px;flex-wrap:wrap;padding:10px}
      .search-input{height:42px;flex-basis:calc(100% - 56px)}
      .search-card .btn{width:100%}
      .hero-points,.steps-grid,.metric-row,.entry-matrix,.faq-grid{grid-template-columns:1fr}
      .stage-grid{padding:16px}
      .section-head{display:block}
      .section-title{font-size:28px}
      .strip-grid{grid-template-columns:1fr}
      .version-item{grid-template-columns:1fr}
      .news-item{display:block}
      .news-date{display:block;margin-top:8px}
      .cta-panel{padding:24px;border-radius:24px}
      .cta-panel h2{font-size:27px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:520px){
      .download-actions,.cta-actions{display:grid}
      .btn{width:100%}
      .hero-quick{justify-content:flex-start}
      .quick-chip{width:100%;justify-content:center}
      .stage-top{padding:0 12px}
      .stage-label{display:none}
      .panel-card,.entry-card,.step-card,.case-card,.category-main,.rule-panel{padding:18px}
    }

/* roulang page: category1 */
:root {
      --green: #16A34A;
      --green-600: #15803D;
      --green-700: #166534;
      --green-50: #F0FDF4;
      --green-100: #DCFCE7;
      --green-200: #BBF7D0;
      --ink: #064E3B;
      --text: #1F2937;
      --muted: #64748B;
      --soft: #F8FAFC;
      --line: #E5E7EB;
      --amber: #F59E0B;
      --amber-soft: #FFFBEB;
      --white: #FFFFFF;
      --shadow: 0 12px 30px rgba(15, 23, 42, .06);
      --shadow-hover: 0 18px 42px rgba(15, 23, 42, .10);
      --radius: 20px;
      --radius-lg: 28px;
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 48%, #FFFFFF 100%);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    ::selection {
      background: var(--green-100);
      color: var(--ink);
    }

    .container {
      width: min(var(--container), calc(100% - 64px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .92);
      border-bottom: 1px solid rgba(229, 231, 235, .9);
      backdrop-filter: blur(14px);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo,
    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -.02em;
    }

    .logo {
      flex: 0 0 auto;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--green), #22C55E);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 8px 20px rgba(22, 163, 74, .22);
    }

    .logo-text {
      font-size: 17px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .04);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 16px;
      border-radius: 999px;
      color: #475569;
      font-weight: 650;
      font-size: 14px;
      transition: .2s ease;
    }

    .nav-link:hover {
      color: var(--green-700);
      background: var(--green-50);
    }

    .nav-link.active {
      color: var(--green-700);
      background: var(--green-100);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 750;
      line-height: 1.1;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      user-select: none;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .menu-toggle:focus-visible,
    details summary:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(34, 197, 94, .25);
      outline-offset: 3px;
    }

    .btn-primary {
      background: var(--green);
      color: #fff;
      box-shadow: 0 10px 24px rgba(22, 163, 74, .24);
    }

    .btn-primary:hover {
      background: var(--green-600);
      box-shadow: 0 14px 32px rgba(22, 163, 74, .30);
    }

    .btn-secondary {
      background: #fff;
      color: var(--ink);
      border-color: var(--line);
    }

    .btn-secondary:hover {
      border-color: var(--green-200);
      background: var(--green-50);
      box-shadow: var(--shadow);
    }

    .btn-soft {
      background: var(--green-50);
      color: var(--green-700);
      border-color: var(--green-200);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      color: var(--ink);
      font-size: 20px;
      transition: .2s ease;
    }

    .menu-toggle:hover {
      border-color: var(--green-200);
      background: var(--green-50);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 16px;
      gap: 10px;
      flex-direction: column;
    }

    .section {
      padding: 82px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--green-100);
      color: var(--green-700);
      font-size: 14px;
      font-weight: 750;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 0 5px rgba(34, 197, 94, .13);
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 62px 0 34px;
      background:
        radial-gradient(circle at 14% 16%, rgba(34, 197, 94, .12), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(187, 247, 208, .62), transparent 26%);
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--line), transparent);
    }

    .hero-bento {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
      grid-template-rows: auto auto;
      gap: 18px;
      align-items: stretch;
    }

    .hero-main {
      grid-row: span 2;
      padding: 42px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .94);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-main::before {
      content: "";
      position: absolute;
      right: -90px;
      top: -90px;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(34, 197, 94, .18), transparent 68%);
      pointer-events: none;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin: 18px 0 18px;
      color: var(--ink);
      font-size: clamp(32px, 4.4vw, 52px);
      line-height: 1.12;
      letter-spacing: -.045em;
      font-weight: 850;
      max-width: 880px;
    }

    .hero-subtitle {
      max-width: 760px;
      color: #475569;
      font-size: 18px;
      line-height: 1.9;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 26px 0 28px;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .badge,
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .badge {
      padding: 7px 11px;
      background: #fff;
      border: 1px solid var(--line);
      color: #475569;
    }

    .badge.success,
    .chip.success {
      background: var(--green-100);
      color: var(--green-700);
      border-color: var(--green-200);
    }

    .chip {
      padding: 6px 10px;
      background: #F1F5F9;
      color: #475569;
      border: 1px solid #E2E8F0;
    }

    .hero-side-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      padding: 20px;
      min-height: 168px;
      transition: .2s ease;
    }

    .hero-side-card:hover {
      transform: translateY(-2px);
      border-color: var(--green-200);
      box-shadow: var(--shadow-hover);
    }

    .side-card-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      color: var(--ink);
      font-weight: 800;
      font-size: 18px;
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 0 6px rgba(34, 197, 94, .14);
      flex: 0 0 auto;
    }

    .mini-list {
      display: grid;
      gap: 8px;
      padding: 0;
      margin: 0;
      list-style: none;
      color: #475569;
      font-size: 14px;
    }

    .mini-list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .mini-list li::before {
      content: "✓";
      color: var(--green);
      font-weight: 900;
    }

    .cta-strip {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      border-radius: 22px;
      background: linear-gradient(135deg, var(--ink), #0F766E);
      color: #fff;
      box-shadow: 0 16px 36px rgba(6, 78, 59, .20);
    }

    .cta-strip p {
      margin: 0;
      color: rgba(255, 255, 255, .86);
    }

    .warning-bar {
      margin-top: 26px;
      border: 1px solid rgba(245, 158, 11, .22);
      background: var(--amber-soft);
      color: #7C2D12;
      border-radius: 18px;
      padding: 14px 16px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
    }

    .warning-icon {
      width: 24px;
      height: 24px;
      border-radius: 999px;
      background: rgba(245, 158, 11, .16);
      color: #B45309;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--green-700);
      font-weight: 800;
      margin-bottom: 8px;
    }

    h2 {
      color: var(--ink);
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.22;
      letter-spacing: -.03em;
      margin-bottom: 12px;
      font-weight: 850;
    }

    .section-desc {
      color: var(--muted);
      max-width: 720px;
      font-size: 16px;
      line-height: 1.85;
      margin-bottom: 0;
    }

    .category-layout {
      display: grid;
      grid-template-columns: 320px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: 96px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      padding: 22px;
    }

    .filter-title {
      color: var(--ink);
      font-size: 18px;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .filter-group {
      padding: 16px 0;
      border-top: 1px solid var(--line);
    }

    .filter-group:first-of-type {
      border-top: 0;
      padding-top: 0;
    }

    .filter-label {
      font-size: 13px;
      color: #64748B;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .progress-box {
      margin-top: 14px;
      padding: 14px;
      border-radius: 16px;
      background: var(--green-50);
      border: 1px solid var(--green-200);
    }

    .progress-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--green-700);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .progress-track {
      height: 8px;
      border-radius: 999px;
      background: #D1FAE5;
      overflow: hidden;
    }

    .progress-fill {
      width: 78%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--green), #22C55E);
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .info-card {
      display: flex;
      flex-direction: column;
      min-height: 260px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .info-card:hover {
      transform: translateY(-2px);
      border-color: var(--green-200);
      box-shadow: var(--shadow-hover);
    }

    .info-card.featured {
      grid-column: span 2;
      min-height: 300px;
      background:
        radial-gradient(circle at right top, rgba(34, 197, 94, .12), transparent 32%),
        #fff;
      border-color: var(--green-200);
    }

    .card-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      background: var(--green-100);
      color: var(--green-700);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .card-title {
      color: var(--ink);
      font-size: 21px;
      line-height: 1.35;
      font-weight: 850;
      margin: 0 0 10px;
    }

    .card-text {
      color: #475569;
      line-height: 1.85;
      margin-bottom: 18px;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
      margin-bottom: 18px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--green-700);
      font-weight: 850;
      margin-top: auto;
    }

    .text-link:hover {
      color: var(--green-600);
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      position: relative;
    }

    .step-card {
      padding: 24px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      position: relative;
    }

    .step-number {
      width: 42px;
      height: 42px;
      border-radius: 999px;
      background: var(--green);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin-bottom: 16px;
      box-shadow: 0 10px 22px rgba(22, 163, 74, .22);
    }

    .step-card h3,
    .proof-card h3,
    .faq-card h3 {
      color: var(--ink);
      font-size: 20px;
      margin-bottom: 10px;
      line-height: 1.35;
    }

    .step-card p,
    .proof-card p {
      color: #475569;
      margin-bottom: 16px;
    }

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

    .proof-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      padding: 26px;
    }

    .proof-card.large {
      background:
        linear-gradient(180deg, rgba(240, 253, 244, .78), rgba(255, 255, 255, 1)),
        #fff;
      border-color: var(--green-200);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 22px;
    }

    .metric {
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: #fff;
    }

    .metric-value {
      color: var(--green-700);
      font-size: 26px;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 6px;
    }

    .metric-label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

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

    .proof-mini {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .04);
    }

    .proof-mini strong {
      display: block;
      color: var(--ink);
      font-size: 17px;
      margin-bottom: 6px;
    }

    .proof-mini span {
      color: var(--muted);
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    details.faq-item {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .04);
      overflow: hidden;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    details.faq-item[open] {
      border-color: var(--green-200);
      box-shadow: var(--shadow);
    }

    details.faq-item summary {
      min-height: 56px;
      padding: 18px 20px;
      list-style: none;
      cursor: pointer;
      color: var(--ink);
      font-weight: 850;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

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

    details.faq-item summary::after {
      content: "+";
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: var(--green-50);
      color: var(--green-700);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      flex: 0 0 auto;
    }

    details.faq-item[open] summary {
      background: var(--green-50);
      border-left: 4px solid var(--green);
      padding-left: 16px;
    }

    details.faq-item[open] summary::after {
      content: "−";
    }

    .faq-answer {
      padding: 0 20px 20px;
      color: #475569;
      line-height: 1.85;
    }

    .open-panel {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 26px;
      align-items: center;
      padding: 34px;
      border-radius: 30px;
      border: 1px solid var(--green-200);
      background:
        radial-gradient(circle at 12% 20%, rgba(34, 197, 94, .18), transparent 26%),
        linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 58%, #ECFDF5 100%);
      box-shadow: var(--shadow);
    }

    .open-panel h2 {
      margin-bottom: 12px;
    }

    .open-panel p {
      color: #475569;
      margin-bottom: 22px;
      max-width: 720px;
    }

    .open-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .static-form {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 10px 26px rgba(15, 23, 42, .05);
    }

    .form-row {
      display: grid;
      gap: 8px;
      margin-bottom: 14px;
    }

    .form-row label {
      color: var(--ink);
      font-size: 13px;
      font-weight: 850;
    }

    .form-control {
      width: 100%;
      min-height: 44px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      padding: 10px 12px;
      color: var(--text);
      transition: .2s ease;
    }

    .form-control:focus {
      border-color: var(--green);
      box-shadow: 0 0 0 4px rgba(34, 197, 94, .12);
      outline: none;
    }

    .check-line {
      display: flex;
      gap: 10px;
      color: #475569;
      font-size: 13px;
      line-height: 1.6;
      margin: 12px 0 16px;
    }

    .check-line input {
      width: 18px;
      height: 18px;
      accent-color: var(--green);
      margin-top: 2px;
      flex: 0 0 auto;
    }

    .site-footer {
      margin-top: 42px;
      background: var(--ink);
      color: rgba(255, 255, 255, .86);
      padding: 54px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr 1fr;
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .14);
    }

    .footer-logo {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-note {
      color: rgba(255, 255, 255, .72);
      margin: 0;
      max-width: 520px;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-title {
      color: #fff;
      font-weight: 850;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
      transition: .2s ease;
    }

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

    .copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      color: rgba(255, 255, 255, .58);
      font-size: 13px;
    }

    .soft-bg {
      background: var(--soft);
      border-top: 1px solid rgba(229, 231, 235, .7);
      border-bottom: 1px solid rgba(229, 231, 235, .7);
    }

    @media (max-width: 1024px) {
      .container {
        width: min(var(--container), calc(100% - 48px));
      }

      .hero-bento,
      .category-layout,
      .proof-wrap,
      .open-panel {
        grid-template-columns: 1fr;
      }

      .hero-main {
        grid-row: auto;
      }

      .cta-strip {
        grid-column: auto;
      }

      .filter-panel {
        position: relative;
        top: auto;
      }

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

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

    @media (max-width: 768px) {
      .container {
        width: min(var(--container), calc(100% - 32px));
      }

      .nav {
        min-height: 64px;
      }

      .logo-text {
        max-width: 172px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-links {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-actions .btn {
        min-height: 40px;
        padding: 10px 14px;
        font-size: 14px;
      }

      .mobile-panel.open {
        display: flex;
      }

      .mobile-panel .nav-link {
        justify-content: flex-start;
        border-radius: 14px;
        background: #fff;
        border: 1px solid var(--line);
      }

      .mobile-panel .nav-link.active {
        background: var(--green-100);
        border-color: var(--green-200);
      }

      .hero {
        padding-top: 34px;
      }

      .hero-main {
        padding: 26px;
      }

      h1 {
        font-size: clamp(30px, 9vw, 38px);
      }

      .hero-subtitle {
        font-size: 16px;
      }

      .hero-actions,
      .open-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .cta-strip {
        flex-direction: column;
        align-items: flex-start;
      }

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 44px 0;
      }

      .section-head {
        display: block;
      }

      .cards-grid,
      .faq-grid,
      .metric-grid {
        grid-template-columns: 1fr;
      }

      .info-card.featured {
        grid-column: span 1;
      }

      .open-panel {
        padding: 24px;
      }

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

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

    @media (max-width: 520px) {
      .container {
        width: calc(100% - 28px);
      }

      .logo-mark {
        width: 30px;
        height: 30px;
        border-radius: 10px;
      }

      .logo-text {
        max-width: 146px;
        font-size: 15px;
      }

      .hero-side-card,
      .info-card,
      .step-card,
      .proof-card,
      .filter-panel {
        padding: 18px;
      }

      .warning-bar {
        align-items: flex-start;
      }
    }