/* roulang page: index */
:root{
      --color-primary:#1f789c;
      --color-primary-strong:#185f7f;
      --color-accent:#32b6c7;
      --color-bg:#f7fbfd;
      --color-surface:#ffffff;
      --color-surface-soft:#eef8fb;
      --color-text:#173142;
      --color-muted:#657887;
      --color-border:#dceaf0;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow-soft:0 18px 50px rgba(21,87,117,.10);
      --shadow-card:0 14px 36px rgba(27,72,100,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(50,182,199,.12), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(31,120,156,.10), transparent 30%),
        var(--color-bg);
      line-height:1.7;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(50,182,199,.22);color:var(--color-primary-strong)}
    :focus-visible{outline:3px solid rgba(50,182,199,.35);outline-offset:3px}
    .site-container{width:min(1180px, calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,251,253,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,234,240,.9);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:-.02em;
      color:#123447;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,#e7f6fb,#ffffff 42%,#bdebf4);
      border:1px solid rgba(31,120,156,.18);
      box-shadow:0 10px 26px rgba(31,120,156,.12);
      display:grid;
      place-items:center;
      color:var(--color-primary);
      font-size:18px;
      font-weight:900;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(220,234,240,.88);
      background:rgba(255,255,255,.72);
      border-radius:999px;
      box-shadow:0 8px 20px rgba(23,49,66,.04);
    }
    .nav-link{
      padding:10px 16px;
      border-radius:999px;
      color:#526b7c;
      font-size:15px;
      font-weight:650;
      transition:all .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--color-primary-strong);
      background:#eef8fb;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#0d516f;
      background:#dff3f8;
      box-shadow:inset 0 0 0 1px rgba(31,120,156,.12);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .mobile-toggle{
      display:none;
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-primary-strong);
      border-radius:14px;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      box-shadow:0 8px 20px rgba(23,49,66,.06);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:750;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--color-primary),#29a8bd);
      color:#fff;
      box-shadow:0 14px 28px rgba(31,120,156,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(31,120,156,.28);background:linear-gradient(135deg,var(--color-primary-strong),#248ca6)}
    .btn-secondary{
      background:#fff;
      color:var(--color-primary-strong);
      border-color:rgba(31,120,156,.18);
      box-shadow:0 10px 24px rgba(23,49,66,.06);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(31,120,156,.34);box-shadow:0 16px 30px rgba(23,49,66,.09)}
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#e8f6fa;
      color:var(--color-primary-strong);
      border:1px solid rgba(31,120,156,.14);
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    .section-title{
      font-size:clamp(28px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:900;
      color:#122f41;
      margin:0;
    }
    .section-desc{
      color:var(--color-muted);
      margin-top:14px;
      font-size:17px;
      max-width:720px;
    }
    .hero{
      padding:88px 0 68px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.96fr);
      gap:54px;
      align-items:center;
    }
    .hero h1{
      font-size:clamp(38px,5vw,68px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:950;
      color:#102f43;
      margin:0;
    }
    .hero-subtitle{
      margin-top:22px;
      color:#587080;
      font-size:18px;
      max-width:690px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-note{
      display:flex;
      gap:16px;
      flex-wrap:wrap;
      margin-top:26px;
      color:#5b7383;
      font-size:14px;
    }
    .hero-note span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      background:rgba(255,255,255,.78);
      border:1px solid var(--color-border);
      border-radius:999px;
    }
    .visual-panel{
      position:relative;
      border-radius:32px;
      background:linear-gradient(180deg,#ffffff,#f0f9fc);
      border:1px solid rgba(220,234,240,.95);
      box-shadow:var(--shadow-soft);
      padding:26px;
      overflow:hidden;
    }
    .visual-panel:before{
      content:"";
      position:absolute;
      inset:-80px -90px auto auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(50,182,199,.15);
    }
    .dashboard-card{
      position:relative;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:24px;
      padding:20px;
      box-shadow:0 14px 34px rgba(31,120,156,.08);
    }
    .progress-line{
      height:10px;
      border-radius:999px;
      background:#e8f2f6;
      overflow:hidden;
      margin-top:12px;
    }
    .progress-line i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent))}
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:16px;
    }
    .mini-stat{
      background:#f6fbfd;
      border:1px solid var(--color-border);
      border-radius:18px;
      padding:16px;
    }
    .mini-stat strong{display:block;font-size:24px;color:#123447;line-height:1.1}
    .mini-stat span{font-size:13px;color:var(--color-muted)}
    .floating-card{
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:#123447;
      color:#fff;
      border-radius:22px;
      padding:18px;
      box-shadow:0 18px 36px rgba(18,52,71,.18);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#eef8fb;
      color:#1d6d8e;
      border:1px solid rgba(31,120,156,.13);
      font-size:13px;
      font-weight:750;
    }
    .card{
      background:rgba(255,255,255,.9);
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:0 22px 48px rgba(27,72,100,.12);
      border-color:rgba(31,120,156,.25);
    }
    .feature-card{padding:26px}
    .icon-box{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#e8f6fa,#fff);
      border:1px solid rgba(31,120,156,.14);
      color:var(--color-primary);
      font-weight:900;
      margin-bottom:18px;
    }
    .soft-section{
      background:rgba(255,255,255,.58);
      border-top:1px solid rgba(220,234,240,.72);
      border-bottom:1px solid rgba(220,234,240,.72);
    }
    .category-tile{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:18px;
      align-items:center;
      padding:24px;
      min-height:160px;
    }
    .tile-number{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      background:#e8f6fa;
      color:var(--color-primary-strong);
      font-weight:900;
      border:1px solid rgba(31,120,156,.13);
    }
    .link-arrow{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:var(--color-primary);
      background:#f4fbfd;
      border:1px solid var(--color-border);
      transition:all .2s ease;
    }
    .category-tile:hover .link-arrow{transform:translateX(4px);background:var(--color-primary);color:#fff}
    .scenario-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:start;
    }
    .scenario-nav{
      padding:18px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
    }
    .scenario-item{
      padding:18px;
      border-radius:18px;
      border:1px solid transparent;
      transition:all .2s ease;
    }
    .scenario-item + .scenario-item{margin-top:10px}
    .scenario-item.active,.scenario-item:hover{
      background:#eef8fb;
      border-color:rgba(31,120,156,.16);
    }
    .timeline{
      position:relative;
      padding-left:22px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:7px;top:8px;bottom:8px;
      width:2px;
      background:#d7eaf1;
    }
    .timeline-step{
      position:relative;
      padding:0 0 24px 22px;
    }
    .timeline-step:before{
      content:"";
      position:absolute;
      left:-21px;top:7px;
      width:14px;height:14px;border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px #e8f6fa;
    }
    .case-card{
      padding:28px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }
    .metric{
      padding:18px;
      border-radius:18px;
      background:#f5fbfd;
      border:1px solid var(--color-border);
    }
    .metric strong{display:block;font-size:30px;line-height:1.1;color:#123447}
    .price-card{
      padding:30px;
      position:relative;
      overflow:hidden;
    }
    .price-card.recommended{
      border-color:rgba(31,120,156,.35);
      box-shadow:0 24px 56px rgba(31,120,156,.15);
    }
    .price-list{margin:22px 0 26px;padding:0;list-style:none}
    .price-list li{
      display:flex;
      gap:10px;
      padding:9px 0;
      color:#506b7d;
    }
    .price-list li:before{content:"✓";color:var(--color-primary);font-weight:900}
    .faq-list{display:grid;gap:14px}
    details.faq-item{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:18px;
      padding:18px 20px;
      box-shadow:0 10px 24px rgba(23,49,66,.04);
    }
    details.faq-item summary{
      cursor:pointer;
      font-weight:850;
      color:#14364a;
      list-style:none;
      display:flex;
      justify-content:space-between;
      gap:20px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary:after{
      content:"+";
      width:26px;height:26px;border-radius:50%;
      display:grid;place-items:center;
      background:#eef8fb;
      color:var(--color-primary);
      flex:0 0 auto;
    }
    details.faq-item[open] summary:after{content:"−";background:var(--color-primary);color:#fff}
    details.faq-item p{margin:12px 0 0;color:var(--color-muted)}
    .contact-form{
      display:grid;
      gap:14px;
    }
    .form-input{
      width:100%;
      border:1px solid var(--color-border);
      border-radius:16px;
      padding:14px 16px;
      background:#f8fcfd;
      color:var(--color-text);
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .form-input:focus{
      border-color:rgba(31,120,156,.45);
      box-shadow:0 0 0 4px rgba(50,182,199,.12);
      background:#fff;
      outline:none;
    }
    .cta-panel{
      border-radius:32px;
      background:linear-gradient(135deg,#123447,#1f789c);
      color:#fff;
      padding:44px;
      box-shadow:0 28px 60px rgba(18,52,71,.22);
      position:relative;
      overflow:hidden;
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      right:-80px;bottom:-80px;
      width:240px;height:240px;border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .site-footer{
      padding:54px 0 28px;
      background:#f2f8fb;
      border-top:1px solid var(--color-border);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr 1fr;
      gap:28px;
    }
    .footer-title{font-weight:900;color:#123447;margin-bottom:12px}
    .footer-link{
      display:block;
      color:#5f7584;
      padding:6px 0;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-link:hover{color:var(--color-primary-strong);transform:translateX(2px)}
    .footer-bottom{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--color-border);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#6a7f8e;
      font-size:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .hero-grid,.scenario-wrap{grid-template-columns:1fr}
      .visual-panel{max-width:680px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-menu{gap:4px}
      .nav-link{padding:9px 12px}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, 1180px)}
      .nav-wrap{min-height:70px}
      .mobile-toggle{display:flex}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:12px;
        background:#fff;
        box-shadow:0 20px 50px rgba(23,49,66,.14);
      }
      .nav-menu.open{display:flex}
      .nav-link{width:100%;text-align:center;border-radius:14px}
      .nav-actions .btn{display:none}
      .hero{padding:56px 0 48px}
      .section{padding:62px 0}
      .section-tight{padding:44px 0}
      .category-tile{grid-template-columns:1fr;gap:14px}
      .metric-row{grid-template-columns:1fr}
      .cta-panel{padding:32px 24px;border-radius:26px}
    }
    @media (max-width:520px){
      .brand-logo span:last-child{font-size:15px}
      .brand-mark{width:38px;height:38px}
      .hero-actions,.nav-actions{width:auto}
      .btn{width:100%;min-height:48px}
      .hero-actions{flex-direction:column}
      .mini-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .section-title{font-size:28px}
      .hero h1{font-size:38px}
      .visual-panel{padding:18px;border-radius:24px}
    }

/* roulang page: category2 */
:root{
      --color-bg:#f7fbfd;
      --color-surface:#ffffff;
      --color-surface-soft:#f0f7fb;
      --color-primary:#2b7da7;
      --color-primary-dark:#1f648a;
      --color-accent:#16a5b8;
      --color-text:#1d2b36;
      --color-muted:#657887;
      --color-border:#dbe7ef;
      --color-border-strong:#c4d7e2;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --shadow-soft:0 18px 45px rgba(34,95,125,.10);
      --shadow-card:0 12px 30px rgba(47,91,116,.09);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(22,165,184,.09), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(43,125,167,.08), transparent 30%),
        linear-gradient(180deg,#fbfdff 0%,var(--color-bg) 42%,#fff 100%);
      line-height:1.72;
      min-height:100vh;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(43,125,167,.18);color:var(--color-text)}
    :focus-visible{outline:3px solid rgba(22,165,184,.35);outline-offset:3px}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(219,231,239,.86);
      box-shadow:0 8px 24px rgba(47,91,116,.05);
    }
    .header-inner{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--color-text);
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 12px 24px rgba(43,125,167,.22);
    }
    .nav-wrap{display:flex;align-items:center;gap:16px}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--color-border);
      background:rgba(245,249,252,.72);
      border-radius:999px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:#526b7a;
      font-weight:700;
      font-size:14px;
      transition:all .22s ease;
    }
    .nav-link:hover{
      color:var(--color-primary-dark);
      background:#fff;
      box-shadow:0 8px 18px rgba(47,91,116,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:var(--color-primary);
      box-shadow:0 10px 22px rgba(43,125,167,.24);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 14px 26px rgba(43,125,167,.23);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(43,125,167,.30)}
    .btn-secondary{
      color:var(--color-primary-dark);
      background:#fff;
      border-color:var(--color-border-strong);
      box-shadow:0 10px 22px rgba(47,91,116,.07);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(43,125,167,.35);
      box-shadow:0 14px 28px rgba(47,91,116,.12);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-primary-dark);
      align-items:center;
      justify-content:center;
      box-shadow:0 10px 20px rgba(47,91,116,.07);
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      display:block;
      width:18px;
      height:2px;
      border-radius:2px;
      background:currentColor;
      position:relative;
      transition:.2s ease;
    }
    .mobile-toggle span:before,.mobile-toggle span:after{content:"";position:absolute;left:0}
    .mobile-toggle span:before{top:-6px}
    .mobile-toggle span:after{top:6px}
    .section{padding:82px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--color-primary-dark);
      background:rgba(43,125,167,.08);
      border:1px solid rgba(43,125,167,.12);
      font-weight:800;
      font-size:13px;
    }
    .hero-card{
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      position:relative;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(43,125,167,.09),transparent 45%,rgba(22,165,184,.08));
      pointer-events:none;
    }
    .content-card{
      background:var(--color-surface);
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-card);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:rgba(43,125,167,.30);
      box-shadow:0 18px 42px rgba(47,91,116,.13);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      color:#2a718f;
      background:#eef7fa;
      border:1px solid #d7ebf2;
      font-size:12px;
      font-weight:800;
    }
    .soft-panel{
      background:linear-gradient(180deg,#ffffff 0%,#f5fafc 100%);
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
    }
    .metric{
      border-radius:20px;
      border:1px solid rgba(219,231,239,.9);
      background:#fff;
      padding:18px;
    }
    .metric strong{
      display:block;
      font-size:30px;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--color-primary-dark);
    }
    .timeline-item{
      position:relative;
      padding-left:34px;
    }
    .timeline-item:before{
      content:"";
      position:absolute;
      left:8px;
      top:7px;
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 6px rgba(22,165,184,.12);
    }
    .timeline-item:not(:last-child):after{
      content:"";
      position:absolute;
      left:13px;
      top:25px;
      bottom:-22px;
      width:1px;
      background:var(--color-border-strong);
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:18px;
      overflow:hidden;
      box-shadow:0 10px 24px rgba(47,91,116,.06);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:850;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:#eef7fa;
      color:var(--color-primary-dark);
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-item[open] summary:after{content:"−";background:var(--color-primary);color:#fff}
    .faq-item p{padding:0 22px 22px;color:var(--color-muted);margin:0}
    .contact-box{
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#eaf5fa 0%,#ffffff 54%,#eef9fb 100%);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }
    .form-field{
      width:100%;
      border:1px solid var(--color-border);
      border-radius:16px;
      background:#fff;
      padding:13px 15px;
      color:var(--color-text);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .form-field:focus{
      border-color:rgba(43,125,167,.55);
      box-shadow:0 0 0 4px rgba(43,125,167,.10);
      outline:none;
    }
    .site-footer{
      padding:66px 0 28px;
      background:#eef5f8;
      border-top:1px solid var(--color-border);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .85fr .85fr 1.05fr;
      gap:34px;
    }
    .footer-title{
      margin:0 0 14px;
      font-weight:900;
      color:var(--color-text);
    }
    .footer-link{
      display:block;
      color:var(--color-muted);
      margin:10px 0;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-link:hover{color:var(--color-primary-dark);transform:translateX(3px)}
    .footer-bottom{
      margin-top:42px;
      padding-top:20px;
      border-top:1px solid var(--color-border-strong);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#6a7c88;
      font-size:14px;
    }
    .decor-grid{
      background-image:linear-gradient(rgba(43,125,167,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(43,125,167,.08) 1px,transparent 1px);
      background-size:24px 24px;
    }
    @media (max-width:1024px){
      .header-inner{height:auto;min-height:74px;flex-wrap:wrap;padding:14px 0}
      .nav-wrap{width:100%;justify-content:space-between}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .mobile-toggle{display:inline-flex}
      .nav-wrap{
        width:auto;
        margin-left:auto;
      }
      .nav-menu{
        display:none;
        position:absolute;
        left:14px;
        right:14px;
        top:72px;
        padding:12px;
        border-radius:22px;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        box-shadow:var(--shadow-soft);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{justify-content:flex-start;border-radius:14px}
      .header-cta{display:none}
      .section{padding:58px 0}
      .section-tight{padding:40px 0}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .brand-logo span:last-child{font-size:15px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .btn{width:100%;min-height:48px}
      .hero-actions{flex-direction:column}
      .metric strong{font-size:26px}
    }

/* roulang page: category1 */
:root {
      --color-primary: #236f8f;
      --color-primary-dark: #17536c;
      --color-primary-soft: #e8f5f8;
      --color-accent: #2aa6b8;
      --color-bg: #f7fbfd;
      --color-surface: #ffffff;
      --color-surface-soft: #eef7fa;
      --color-text: #1d2f3a;
      --color-muted: #657887;
      --color-border: #d8e8ee;
      --color-line: #e8f0f4;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --shadow-sm: 0 10px 28px rgba(23, 83, 108, .08);
      --shadow-md: 0 18px 45px rgba(23, 83, 108, .12);
      --shadow-card: 0 14px 34px rgba(29, 47, 58, .08);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 10% 0%, rgba(42, 166, 184, .09), transparent 28%),
        linear-gradient(180deg, #fbfdfe 0%, var(--color-bg) 42%, #ffffff 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    ::selection {
      color: #fff;
      background: var(--color-primary);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: rgba(255, 255, 255, .86);
      color: var(--color-text);
      outline: none;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(42, 166, 184, .22);
      outline-offset: 3px;
    }

    input:focus,
    textarea:focus {
      border-color: rgba(42, 166, 184, .72);
      box-shadow: 0 0 0 4px rgba(42, 166, 184, .12);
      background: #fff;
    }

    .site-container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(216, 232, 238, .9);
      background: rgba(255, 255, 255, .86);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--color-text);
      white-space: nowrap;
    }

    .brand-logo:hover {
      color: var(--color-primary-dark);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      color: #fff;
      font-size: 20px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 10px 24px rgba(35, 111, 143, .22);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
      flex: 1;
      justify-content: flex-end;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      background: rgba(247, 251, 253, .88);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      color: #4f6674;
      font-size: 15px;
      font-weight: 700;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: var(--color-primary-dark);
      background: #fff;
      border-color: rgba(216, 232, 238, .95);
      box-shadow: var(--shadow-sm);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), #2f90a6);
      box-shadow: 0 10px 22px rgba(35, 111, 143, .2);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 14px 28px rgba(35, 111, 143, .22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(35, 111, 143, .28);
      background: linear-gradient(135deg, var(--color-primary-dark), #248ea1);
    }

    .btn-secondary {
      color: var(--color-primary-dark);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 8px 20px rgba(23, 83, 108, .06);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(42, 166, 184, .45);
      box-shadow: var(--shadow-sm);
      background: var(--color-primary-soft);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      color: var(--color-primary-dark);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .hamburger,
    .hamburger::before,
    .hamburger::after {
      width: 18px;
      height: 2px;
      display: block;
      border-radius: 999px;
      background: currentColor;
      position: relative;
      transition: transform .22s ease, opacity .22s ease;
    }

    .hamburger::before,
    .hamburger::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .hamburger::before {
      top: -6px;
    }

    .hamburger::after {
      top: 6px;
    }

    .mobile-toggle.is-open .hamburger {
      transform: rotate(45deg);
    }

    .mobile-toggle.is-open .hamburger::before {
      transform: translateY(6px) rotate(90deg);
    }

    .mobile-toggle.is-open .hamburger::after {
      opacity: 0;
    }

    .header-cta {
      display: inline-flex;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 88px 0;
    }

    .section-sm {
      padding: 64px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(42, 166, 184, .22);
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(232, 245, 248, .82);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(42, 166, 184, .12);
    }

    .page-hero {
      padding: 56px 0 38px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--color-border);
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .92), rgba(238, 247, 250, .95)),
        radial-gradient(circle at 100% 0%, rgba(42, 166, 184, .18), transparent 32%);
      box-shadow: var(--shadow-md);
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      right: -90px;
      top: -90px;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      border: 38px solid rgba(42, 166, 184, .09);
      pointer-events: none;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .breadcrumb a:hover {
      color: var(--color-primary-dark);
    }

    .breadcrumb span:not(:last-child)::after {
      content: "/";
      margin-left: 8px;
      color: #9ab0bc;
    }

    .hero-title {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -.045em;
      font-weight: 900;
      color: #18323d;
    }

    .hero-desc {
      color: #546b79;
      font-size: 18px;
      line-height: 1.9;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      color: #27657a;
      background: #eef8fb;
      border: 1px solid #d9edf3;
      font-size: 13px;
      font-weight: 750;
      white-space: nowrap;
    }

    .tag-neutral {
      color: #617887;
      background: #f6fafc;
      border-color: var(--color-border);
    }

    .metric-card {
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 255, 255, .88);
      box-shadow: var(--shadow-sm);
      padding: 18px;
    }

    .metric-num {
      display: block;
      color: var(--color-primary-dark);
      font-size: 30px;
      font-weight: 900;
      letter-spacing: -.03em;
    }

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

    .filter-bar {
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: rgba(255, 255, 255, .84);
      box-shadow: var(--shadow-sm);
      padding: 18px;
    }

    .filter-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      color: #58717f;
      background: #fff;
      font-size: 14px;
      font-weight: 800;
    }

    .filter-pill:hover,
    .filter-pill.active {
      color: #fff;
      border-color: transparent;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 10px 20px rgba(35, 111, 143, .15);
      transform: translateY(-1px);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }

    .card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      box-shadow: var(--shadow-card);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(42, 166, 184, .38);
      box-shadow: var(--shadow-md);
    }

    .feature-card {
      padding: 26px;
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      color: var(--color-primary-dark);
      background: linear-gradient(135deg, #edf8fb, #ffffff);
      border: 1px solid var(--color-border);
      font-weight: 900;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
    }

    .selection-list {
      display: grid;
      gap: 18px;
    }

    .selection-item {
      display: grid;
      grid-template-columns: 76px minmax(0, 1fr);
      gap: 20px;
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 28px;
      background: #fff;
      box-shadow: var(--shadow-card);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .selection-item:hover {
      transform: translateY(-3px);
      border-color: rgba(42, 166, 184, .38);
      box-shadow: var(--shadow-md);
    }

    .item-index {
      width: 64px;
      height: 64px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 22px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      font-size: 22px;
      font-weight: 900;
      box-shadow: 0 12px 24px rgba(35, 111, 143, .18);
    }

    .meta-line {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 14px;
      align-items: center;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .meta-line span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .meta-line span::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: #b8cbd5;
    }

    .side-card {
      padding: 24px;
      position: sticky;
      top: 104px;
    }

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

    .quick-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 46px;
      padding: 0 14px;
      border-radius: 16px;
      color: #425b68;
      background: #f7fbfd;
      border: 1px solid var(--color-line);
      font-weight: 750;
    }

    .quick-link:hover {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border-color: rgba(42, 166, 184, .34);
      transform: translateX(3px);
    }

    .quick-link::after {
      content: "→";
      color: var(--color-accent);
      font-weight: 900;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .process-card {
      padding: 22px;
      border-radius: 24px;
      border: 1px solid var(--color-border);
      background: linear-gradient(180deg, #fff, #f8fcfd);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .process-card::before {
      content: attr(data-step);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 13px;
      color: #fff;
      background: var(--color-primary);
      font-weight: 900;
      margin-bottom: 16px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      align-items: stretch;
    }

    .scenario-panel {
      padding: 30px;
      border: 1px solid var(--color-border);
      border-radius: 30px;
      background: #fff;
      box-shadow: var(--shadow-card);
    }

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

    .scenario-row {
      display: grid;
      grid-template-columns: 22px minmax(0, 1fr);
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: #f7fbfd;
      border: 1px solid var(--color-line);
    }

    .check-dot {
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: var(--color-accent);
      font-size: 12px;
      font-weight: 900;
      margin-top: 2px;
    }

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

    details.faq-item {
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 20px 22px;
      color: #24414d;
      font-weight: 850;
      cursor: pointer;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-size: 20px;
      line-height: 1;
      transition: transform .22s ease, background .22s ease;
    }

    .faq-item[open] summary::after {
      content: "−";
      color: #fff;
      background: var(--color-primary);
      transform: rotate(180deg);
    }

    .faq-body {
      padding: 0 22px 22px;
      color: var(--color-muted);
      border-top: 1px solid var(--color-line);
    }

    .contact-box {
      border: 1px solid rgba(42, 166, 184, .22);
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(232, 245, 248, .98), rgba(255, 255, 255, .96)),
        radial-gradient(circle at 8% 10%, rgba(42, 166, 184, .13), transparent 28%);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .contact-form {
      padding: 26px;
      border: 1px solid var(--color-border);
      border-radius: 28px;
      background: rgba(255, 255, 255, .86);
      box-shadow: var(--shadow-sm);
    }

    .form-label {
      display: block;
      margin-bottom: 8px;
      color: #38535f;
      font-size: 14px;
      font-weight: 800;
    }

    .form-control {
      padding: 13px 15px;
      min-height: 48px;
    }

    textarea.form-control {
      min-height: 108px;
      resize: vertical;
    }

    .site-footer {
      padding: 68px 0 28px;
      background: #f1f7fa;
      border-top: 1px solid var(--color-border);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .footer-title {
      margin: 0 0 14px;
      color: #274653;
      font-weight: 900;
    }

    .footer-link {
      display: block;
      width: fit-content;
      margin: 9px 0;
      color: var(--color-muted);
      font-weight: 700;
    }

    .footer-link:hover {
      color: var(--color-primary-dark);
      transform: translateX(2px);
    }

    .footer-bottom {
      margin-top: 40px;
      padding-top: 22px;
      border-top: 1px solid var(--color-border);
      display: flex;
      flex-wrap: wrap;
      gap: 12px 24px;
      justify-content: space-between;
      color: #78909c;
      font-size: 14px;
      font-weight: 650;
    }

    .soft-divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    }

    @media (max-width: 1024px) {
      .site-container {
        width: min(100% - 32px, var(--container));
      }

      .header-inner {
        min-height: 72px;
      }

      .nav-wrap {
        gap: 12px;
      }

      .nav-link {
        padding: 0 12px;
        font-size: 14px;
      }

      .content-layout,
      .scenario-grid {
        grid-template-columns: 1fr;
      }

      .side-card {
        position: relative;
        top: 0;
      }

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

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

    @media (max-width: 768px) {
      .mobile-toggle {
        display: inline-flex;
      }

      .nav-wrap {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border: 1px solid var(--color-border);
        border-radius: 24px;
        background: rgba(255, 255, 255, .96);
        box-shadow: var(--shadow-md);
      }

      .nav-wrap.is-open {
        display: flex;
      }

      .nav-menu {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        border-radius: 20px;
        background: #f7fbfd;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .header-cta {
        width: 100%;
      }

      .header-cta .btn {
        width: 100%;
      }

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

      .hero-panel {
        border-radius: 26px;
      }

      .section {
        padding: 64px 0;
      }

      .section-sm {
        padding: 48px 0;
      }

      .selection-item {
        grid-template-columns: 1fr;
      }

      .item-index {
        width: 56px;
        height: 56px;
      }

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

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 24px, var(--container));
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .brand-logo span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero-panel {
        border-radius: 22px;
      }

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

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

      .filter-bar {
        border-radius: 20px;
      }

      .btn {
        width: 100%;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }