/* roulang page: index */
:root{
      --primary:#0F8B7E;
      --primary-dark:#08645C;
      --primary-soft:#E3F4F0;
      --accent:#D9822B;
      --accent-dark:#B9631B;
      --bg:#F6F3EC;
      --bg-soft:#F8FAF7;
      --card:#FFFFFF;
      --card-warm:#FCFBF7;
      --title:#1E2A27;
      --text:#4B5A56;
      --muted:#7A8884;
      --border:#E2E7E1;
      --line:rgba(15,139,126,.16);
      --shadow:0 16px 45px rgba(24,48,42,.08);
      --shadow-hover:0 22px 60px rgba(24,48,42,.13);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --trans:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(15,139,126,.10), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(217,130,43,.09), transparent 30%),
        linear-gradient(180deg,var(--bg),var(--bg-soft) 46%,#fff 100%);
      line-height:1.82;
      font-size:16px;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:var(--primary);text-decoration:none;transition:var(--trans)}
    a:hover{color:var(--primary-dark)}
    a:focus-visible,button:focus-visible,input:focus-visible,.accordion-button:focus-visible{
      outline:3px solid rgba(15,139,126,.25);
      outline-offset:3px;
      box-shadow:none;
    }
    img{max-width:100%;height:auto}
    .container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1040;
      background:rgba(252,251,247,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,231,225,.88);
      transition:var(--trans);
    }
    .site-header.scrolled{box-shadow:0 12px 34px rgba(30,42,39,.08)}
    .brand-row{
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:12px 0;
    }
    .brand-link{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--title);
      font-weight:800;
      letter-spacing:-.02em;
      line-height:1.18;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:15px;
      background:linear-gradient(135deg,var(--primary),#18B5A5);
      display:grid;place-items:center;
      color:#fff;
      box-shadow:0 12px 28px rgba(15,139,126,.24);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      background:rgba(255,255,255,.82);
      border-radius:3px;
    }
    .brand-mark:before{width:22px;height:4px;top:14px;left:11px}
    .brand-mark:after{width:22px;height:14px;bottom:10px;left:11px;border:3px solid rgba(255,255,255,.85);background:transparent}
    .brand-text{display:flex;flex-direction:column}
    .brand-name{font-size:18px;color:var(--title)}
    .brand-note{font-size:12px;color:var(--muted);font-weight:600;margin-top:2px}
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex:1;
      justify-content:flex-end;
    }
    .search-pill{
      width:min(360px,100%);
      display:flex;
      align-items:center;
      gap:8px;
      background:#EEF3EF;
      border:1px solid transparent;
      border-radius:999px;
      padding:8px 14px;
      transition:var(--trans);
    }
    .search-pill:focus-within{
      background:#fff;
      border-color:rgba(15,139,126,.45);
      box-shadow:0 0 0 4px rgba(15,139,126,.08);
    }
    .search-pill span{color:var(--muted);font-size:15px}
    .search-pill input{
      border:0;background:transparent;outline:0;
      width:100%;
      color:var(--title);
      font-size:14px;
    }
    .quick-label{
      border:1px solid rgba(217,130,43,.25);
      background:#FFF4E8;
      color:#9A5518;
      border-radius:999px;
      padding:8px 13px;
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .navbar{
      padding:0 0 12px;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      background:#fff;
      box-shadow:none!important;
    }
    .toggler-lines{display:block;width:22px;height:16px;position:relative}
    .toggler-lines i,.toggler-lines:before,.toggler-lines:after{
      content:"";position:absolute;left:0;width:22px;height:2px;border-radius:999px;background:var(--primary);
      transition:var(--trans);
    }
    .toggler-lines i{top:7px}.toggler-lines:before{top:0}.toggler-lines:after{bottom:0}
    .channel-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      width:100%;
    }
    .channel-nav .nav-link{
      color:var(--text);
      font-weight:700;
      font-size:15px;
      border-radius:999px;
      padding:8px 15px;
      line-height:1.2;
    }
    .channel-nav .nav-link:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .channel-nav .nav-link.active{
      color:var(--primary-dark);
      background:linear-gradient(135deg,#DDF4EE,#EEF7F2);
      box-shadow:inset 0 0 0 1px rgba(15,139,126,.12);
    }
    .hotword{
      margin-left:auto;
      display:flex;
      gap:8px;
      align-items:center;
      flex-wrap:wrap;
      font-size:13px;
      color:var(--muted);
    }
    .hotword a{
      color:var(--accent-dark);
      background:#FFF4E8;
      border:1px solid rgba(217,130,43,.18);
      border-radius:999px;
      padding:5px 10px;
      font-weight:700;
    }
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(15,139,126,.16);
      border-radius:999px;
      padding:7px 13px;
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .section-kicker:before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(217,130,43,.12);
    }
    .section-title{
      color:var(--title);
      font-size:36px;
      line-height:1.22;
      font-weight:820;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .section-desc{
      max-width:760px;
      color:var(--text);
      font-size:17px;
      margin:0;
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:70px 0 42px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.52),rgba(227,244,240,.48)),
        repeating-linear-gradient(90deg,rgba(15,139,126,.045) 0,rgba(15,139,126,.045) 1px,transparent 1px,transparent 36px);
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto -10% -25% auto;
      width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle,rgba(217,130,43,.16),transparent 65%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      box-shadow:0 8px 20px rgba(24,48,42,.05);
    }
    h1{
      color:var(--title);
      font-size:52px;
      line-height:1.13;
      font-weight:880;
      letter-spacing:-.045em;
      margin:0 0 20px;
    }
    .hero-lead{
      font-size:18px;
      color:var(--text);
      max-width:640px;
      margin-bottom:26px;
    }
    .btn{
      border-radius:999px;
      padding:12px 22px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--trans);
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
    }
    .btn-primary-custom{
      background:var(--primary);
      color:#fff!important;
      box-shadow:0 12px 26px rgba(15,139,126,.22);
    }
    .btn-primary-custom:hover{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 32px rgba(15,139,126,.26);
    }
    .btn-accent{
      background:var(--accent);
      color:#fff!important;
      box-shadow:0 12px 26px rgba(217,130,43,.22);
    }
    .btn-accent:hover{
      background:var(--accent-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 32px rgba(217,130,43,.26);
    }
    .btn-outline-custom{
      color:var(--primary-dark)!important;
      background:#fff;
      border-color:rgba(15,139,126,.28);
    }
    .btn-outline-custom:hover{
      background:var(--primary-soft);
      border-color:rgba(15,139,126,.45);
      transform:translateY(-2px);
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-bottom:18px;
    }
    .safe-note{
      color:var(--muted);
      font-size:14px;
      display:flex;
      gap:8px;
      align-items:center;
    }
    .safe-dot{
      width:9px;height:9px;border-radius:50%;
      background:#35B77E;
      box-shadow:0 0 0 5px rgba(53,183,126,.12);
    }
    .hero-panel{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(226,231,225,.88);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;height:5px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .mock-window{
      background:#102B28;
      color:#DCEBE7;
      border-radius:24px;
      padding:18px;
      min-height:380px;
      position:relative;
      overflow:hidden;
    }
    .mock-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding-bottom:14px;
      border-bottom:1px solid rgba(255,255,255,.10);
      margin-bottom:16px;
    }
    .mock-dots{display:flex;gap:7px}
    .mock-dots i{display:block;width:10px;height:10px;border-radius:50%;background:#55746E}
    .mock-dots i:nth-child(1){background:#D9822B}
    .mock-dots i:nth-child(2){background:#F0C56C}
    .mock-dots i:nth-child(3){background:#35B77E}
    .mock-title{font-size:14px;font-weight:800;color:#fff}
    .mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mock-card{
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      padding:14px;
    }
    .mock-card.wide{grid-column:1/-1}
    .mock-label{font-size:12px;color:#9DB7B1;margin-bottom:6px}
    .mock-value{color:#fff;font-weight:850;font-size:18px}
    .mock-list{list-style:none;padding:0;margin:10px 0 0}
    .mock-list li{
      display:flex;justify-content:space-between;gap:14px;
      border-top:1px solid rgba(255,255,255,.08);
      padding:9px 0;
      font-size:13px;
      color:#C9DCD8;
    }
    .mock-status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      background:rgba(15,139,126,.24);
      color:#B8F1E8;
      border:1px solid rgba(184,241,232,.18);
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
    }
    .carousel-control-prev,.carousel-control-next{width:44px}
    .carousel-control-prev-icon,.carousel-control-next-icon{
      background-color:rgba(255,255,255,.15);
      border-radius:50%;
      width:34px;height:34px;
      background-size:48%;
    }
    .carousel-indicators{
      margin-bottom:8px;
      gap:7px;
    }
    .carousel-indicators [data-bs-target]{
      width:24px;height:6px;border-radius:999px;
      border:0;background:#fff;opacity:.35;
    }
    .carousel-indicators .active{
      opacity:1;background:var(--accent);width:36px;
    }
    .trust-strip{
      position:relative;
      z-index:2;
      margin-top:34px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      box-shadow:0 14px 36px rgba(24,48,42,.06);
      padding:18px;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:8px 12px;
      height:100%;
    }
    .trust-icon{
      width:36px;height:36px;border-radius:13px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      flex:0 0 auto;
    }
    .trust-title{font-weight:850;color:var(--title);line-height:1.3}
    .trust-text{font-size:13px;color:var(--muted);line-height:1.45;margin-top:2px}
    .value-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:stretch;
    }
    .flow-list{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .flow-step{
      display:grid;
      grid-template-columns:46px 1fr;
      gap:15px;
      padding:18px 0;
      border-bottom:1px dashed var(--border);
    }
    .flow-step:last-child{border-bottom:0;padding-bottom:0}
    .flow-num{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(135deg,var(--primary),#26B4A7);
      color:#fff;
      display:grid;place-items:center;
      font-weight:900;
      box-shadow:0 10px 22px rgba(15,139,126,.20);
    }
    .flow-step h3{font-size:19px;color:var(--title);font-weight:820;margin:0 0 5px}
    .flow-step p{margin:0;color:var(--text);font-size:15px}
    .feature-mosaic{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .feature-card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:24px;
      box-shadow:0 10px 28px rgba(24,48,42,.05);
      transition:var(--trans);
      min-height:180px;
    }
    .feature-card.large{
      grid-column:1/-1;
      background:linear-gradient(135deg,#fff,#EFF8F5);
      border-color:rgba(15,139,126,.18);
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
      align-items:center;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(15,139,126,.26);
    }
    .feature-icon{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:#FFF4E8;
      color:var(--accent-dark);
      font-weight:900;
      margin-bottom:14px;
    }
    .feature-card h3{
      color:var(--title);
      font-size:21px;
      font-weight:850;
      margin-bottom:8px;
    }
    .feature-card p{margin:0;color:var(--text);font-size:15px}
    .mini-bars{display:grid;gap:9px}
    .mini-bars i{
      display:block;height:12px;border-radius:999px;
      background:linear-gradient(90deg,var(--primary),rgba(15,139,126,.12));
    }
    .mini-bars i:nth-child(2){width:78%;background:linear-gradient(90deg,var(--accent),rgba(217,130,43,.12))}
    .mini-bars i:nth-child(3){width:62%}
    .screens-section{background:#F0F6F1}
    .screenshot-carousel{
      margin-top:30px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid rgba(15,139,126,.12);
      background:#0E2A27;
    }
    .shot-slide{
      min-height:440px;
      padding:34px;
      color:#E7F3F0;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:center;
      background:
        radial-gradient(circle at 82% 12%,rgba(217,130,43,.24),transparent 32%),
        linear-gradient(135deg,#102B28,#173A36);
    }
    .shot-board{
      border-radius:24px;
      background:#F9FBF8;
      color:var(--title);
      padding:18px;
      box-shadow:0 24px 60px rgba(0,0,0,.20);
    }
    .shot-toolbar{
      height:42px;border-radius:15px;background:#EEF3EF;
      display:flex;align-items:center;justify-content:space-between;
      padding:0 14px;
      margin-bottom:14px;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .shot-rows{display:grid;gap:10px}
    .shot-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      padding:13px 14px;
      border:1px solid var(--border);
      border-radius:15px;
      background:#fff;
    }
    .shot-row strong{color:var(--title)}
    .shot-row span{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-radius:999px;
      padding:4px 9px;
      font-size:12px;
      font-weight:800;
    }
    .shot-copy h3{font-size:30px;color:#fff;font-weight:850;margin-bottom:12px}
    .shot-copy p{color:#CFE1DD;margin-bottom:18px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .check-list li{
      display:flex;align-items:flex-start;gap:9px;
      color:#E6F2EF;
    }
    .check-list li:before{
      content:"✓";
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(15,139,126,.45);
      color:#fff;
      font-size:13px;
      font-weight:900;
      flex:0 0 auto;
      margin-top:4px;
    }
    .requirements-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:28px;
      height:100%;
    }
    .spec-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .spec-list li{
      display:grid;
      grid-template-columns:118px 1fr;
      gap:14px;
      align-items:start;
      padding:15px;
      border-radius:16px;
      background:#F7FAF7;
      border:1px solid var(--border);
    }
    .spec-list b{
      color:var(--primary-dark);
      font-size:14px;
    }
    .spec-list span{color:var(--text);font-size:15px}
    .resource-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
      margin-top:30px;
    }
    .resource-card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:24px;
      box-shadow:0 10px 28px rgba(24,48,42,.05);
      transition:var(--trans);
      position:relative;
      overflow:hidden;
    }
    .resource-card:first-child{
      background:linear-gradient(135deg,#fff,#FFF8EE);
      border-color:rgba(217,130,43,.20);
    }
    .resource-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(15,139,126,.28);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:850;
      margin-bottom:12px;
    }
    .tag.orange{background:#FFF4E8;color:var(--accent-dark)}
    .resource-card h3{
      color:var(--title);
      font-size:21px;
      font-weight:850;
      margin-bottom:8px;
    }
    .resource-card p{font-size:15px;margin-bottom:14px;color:var(--text)}
    .link-arrow{
      font-weight:850;
      display:inline-flex;
      gap:6px;
      align-items:center;
      position:relative;
    }
    .link-arrow:after{content:"→";transition:var(--trans)}
    .link-arrow:hover:after{transform:translateX(4px)}
    .testimonial-grid{
      margin-top:30px;
      display:grid;
      grid-template-columns:1fr 1.08fr .92fr;
      gap:18px;
      align-items:start;
    }
    .testimonial-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:22px;
      box-shadow:0 10px 26px rgba(24,48,42,.05);
      transition:var(--trans);
    }
    .testimonial-card:nth-child(2){margin-top:28px}
    .testimonial-card:nth-child(4){grid-column:1/3}
    .testimonial-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;display:grid;place-items:center;
      font-weight:900;
      margin-bottom:12px;
    }
    .testimonial-card p{margin-bottom:12px;color:var(--text)}
    .testimonial-card small{color:var(--muted);font-weight:700}
    .faq-section{background:#F8FAF7}
    .accordion{margin-top:28px}
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:18px!important;
      overflow:hidden;
      margin-bottom:12px;
      background:#fff;
      box-shadow:0 8px 22px rgba(24,48,42,.04);
    }
    .accordion-button{
      color:var(--title);
      font-weight:850;
      font-size:17px;
      padding:18px 20px;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .accordion-button::after{
      border-radius:50%;
      background-color:rgba(15,139,126,.12);
      background-size:14px;
      background-position:center;
      padding:12px;
    }
    .accordion-body{
      padding:18px 20px 22px;
      color:var(--text);
      line-height:1.85;
    }
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 12% 20%,rgba(217,130,43,.24),transparent 26%),
        linear-gradient(135deg,#12332F,#0B5C54);
      color:#EAF5F2;
      padding:42px;
      box-shadow:0 22px 70px rgba(15,82,75,.22);
    }
    .cta-band h2{
      color:#fff;
      font-size:34px;
      line-height:1.25;
      font-weight:880;
      margin-bottom:12px;
    }
    .cta-band p{max-width:720px;color:#D8E9E5;margin-bottom:24px}
    .download-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      background:#1B2C29;
      color:#C9D6D2;
      padding:58px 0 24px;
      margin-top:30px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      color:#fff;
      font-weight:850;
    }
    .footer-logo{
      width:40px;height:40px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
    }
    .footer-title{
      color:#fff;
      font-size:16px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .footer-links a{color:#C9D6D2}
    .footer-links a:hover{color:#fff}
    .footer-tags{display:flex;gap:8px;flex-wrap:wrap}
    .footer-tags span{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
      color:#DDE8E5;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
    }
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.10);
      color:#98AAA5;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .floating-action{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:1030;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      box-shadow:var(--shadow);
      font-weight:900;
    }
    .float-btn:hover{transform:translateY(-3px);background:var(--primary);color:#fff}
    @media (max-width: 991.98px){
      .brand-row{min-height:auto}
      .header-tools{display:none}
      .navbar{padding:0 0 10px}
      .navbar-collapse{
        background:#fff;
        border:1px solid var(--border);
        border-radius:20px;
        padding:14px;
        margin-top:10px;
        box-shadow:var(--shadow);
      }
      .channel-nav{align-items:stretch}
      .channel-nav .nav-link{width:100%;padding:11px 14px}
      .hotword{margin-left:0;width:100%;padding-top:10px}
      h1{font-size:38px}
      .hero{padding:50px 0 32px}
      .value-wrap,.shot-slide{grid-template-columns:1fr}
      .feature-card.large{grid-template-columns:1fr}
      .resource-grid{grid-template-columns:1fr 1fr}
      .testimonial-grid{grid-template-columns:1fr 1fr}
      .testimonial-card:nth-child(2){margin-top:0}
      .testimonial-card:nth-child(4){grid-column:auto}
      .section{padding:64px 0}
    }
    @media (max-width: 767.98px){
      body{font-size:15px}
      .container{padding-left:18px;padding-right:18px}
      .brand-name{font-size:16px}
      .brand-note{display:none}
      .brand-mark{width:40px;height:40px}
      .section-title{font-size:28px}
      h1{font-size:33px}
      .hero-lead{font-size:16px}
      .hero-actions .btn,.download-buttons .btn{width:100%}
      .trust-strip{padding:12px}
      .mock-window{min-height:330px}
      .mock-grid{grid-template-columns:1fr}
      .shot-slide{padding:22px;min-height:auto}
      .shot-copy h3{font-size:24px}
      .spec-list li{grid-template-columns:1fr;gap:6px}
      .resource-grid,.feature-mosaic,.testimonial-grid{grid-template-columns:1fr}
      .cta-band{padding:28px 22px}
      .cta-band h2{font-size:26px}
      .copyright{display:block}
      .floating-action{display:none}
    }
    @media (max-width: 575.98px){
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .hero-tags{gap:7px}
      .hero-badge{font-size:12px;padding:7px 10px}
      .mock-card{padding:12px}
      .mock-value{font-size:16px}
      .footer-tags span{font-size:11px}
    }

/* roulang page: category1 */
:root{
      --primary:#0F8B7E;
      --primary-dark:#08645C;
      --primary-soft:#E7F5F1;
      --accent:#D9822B;
      --accent-dark:#B9651D;
      --bg:#F6F3EC;
      --bg-soft:#F8FAF7;
      --card:#FFFFFF;
      --card-warm:#FCFBF7;
      --title:#1E2A27;
      --text:#4B5A56;
      --muted:#7A8884;
      --border:#E2E7E1;
      --shadow:0 16px 45px rgba(24,48,42,.08);
      --shadow-hover:0 22px 58px rgba(24,48,42,.13);
      --radius-lg:26px;
      --radius-md:18px;
      --radius-sm:14px;
      --max:1200px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%,rgba(15,139,126,.08),transparent 28%),
        radial-gradient(circle at 92% 16%,rgba(217,130,43,.08),transparent 26%),
        linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 48%,#fff 100%);
      line-height:1.8;
      font-size:16px;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:var(--primary);text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--primary-dark)}
    a:focus-visible,button:focus-visible,input:focus-visible,.btn:focus-visible{
      outline:3px solid rgba(15,139,126,.24);
      outline-offset:3px;
      box-shadow:none!important;
    }
    img{max-width:100%;height:auto}
    .container{max-width:var(--max)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(252,251,247,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,231,225,.86);
      transition:var(--transition);
    }
    .site-header.is-scrolled{box-shadow:0 12px 30px rgba(30,42,39,.08)}
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 0;
    }
    .brand-link{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:var(--title);
      min-width:0;
    }
    .brand-link:hover{color:var(--title)}
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:15px;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-dark));
      position:relative;
      box-shadow:0 12px 28px rgba(15,139,126,.22);
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      background:#fff;
      border-radius:3px;
      opacity:.94;
    }
    .brand-mark:before{left:11px;top:11px;width:10px;height:10px;box-shadow:13px 0 0 #fff,0 13px 0 #fff,13px 13px 0 #fff}
    .brand-mark:after{right:7px;bottom:7px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff}
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-name{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--title);white-space:nowrap}
    .brand-note{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap}
    .header-tools{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-pill{
      width:310px;
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 15px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      transition:var(--transition);
      margin:0;
    }
    .search-pill:focus-within{
      border-color:rgba(15,139,126,.55);
      box-shadow:0 0 0 4px rgba(15,139,126,.09);
    }
    .search-pill input{
      border:0;
      outline:0;
      width:100%;
      min-width:0;
      font-size:14px;
      color:var(--text);
      background:transparent;
    }
    .search-pill input::placeholder{color:#98A39F}
    .quick-label{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 18px;
      border-radius:999px;
      background:var(--accent);
      color:#fff;
      font-size:14px;
      font-weight:700;
      box-shadow:0 10px 24px rgba(217,130,43,.2);
    }
    .quick-label:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
    .navbar{padding:0 0 12px}
    .navbar-collapse{align-items:center}
    .channel-nav{
      display:flex;
      align-items:center;
      gap:8px;
      width:100%;
      overflow:visible;
    }
    .channel-nav .nav-link{
      color:var(--text);
      font-weight:700;
      font-size:15px;
      padding:9px 16px!important;
      border-radius:999px;
      line-height:1.35;
    }
    .channel-nav .nav-link:hover{
      color:var(--primary-dark);
      background:rgba(15,139,126,.08);
    }
    .channel-nav .nav-link.active{
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .hotword{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .hotword span{font-weight:800;color:var(--accent)}
    .hotword a{
      color:var(--muted);
      background:#fff;
      border:1px solid var(--border);
      border-radius:999px;
      padding:6px 11px;
    }
    .hotword a:hover{color:var(--primary-dark);border-color:rgba(15,139,126,.35);background:var(--primary-soft)}
    .navbar-toggler{
      border:0;
      padding:10px;
      border-radius:14px;
      background:var(--primary-soft);
    }
    .navbar-toggler:focus{box-shadow:none}
    .toggler-lines,.toggler-lines i{
      display:block;
      width:22px;
      height:2px;
      background:var(--primary-dark);
      border-radius:10px;
      position:relative;
    }
    .toggler-lines:before,.toggler-lines:after{
      content:"";
      position:absolute;
      left:0;
      width:22px;
      height:2px;
      background:var(--primary-dark);
      border-radius:10px;
    }
    .toggler-lines:before{top:-7px}
    .toggler-lines:after{top:7px}
    .page-hero{
      position:relative;
      padding:54px 0 42px;
      overflow:hidden;
      border-bottom:1px solid rgba(226,231,225,.72);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(15,139,126,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(15,139,126,.055) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(90deg,transparent,black 16%,black 84%,transparent);
      pointer-events:none;
    }
    .breadcrumb{
      margin:0 0 16px;
      font-size:14px;
      color:var(--muted);
    }
    .breadcrumb a{color:var(--muted)}
    .breadcrumb a:hover{color:var(--primary)}
    .channel-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:14px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .pill.accent{color:var(--accent-dark);background:#FFF3E4;border-color:#F2D7B8}
    h1{
      color:var(--title);
      font-size:clamp(32px,4.2vw,50px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.04em;
      margin:0 0 18px;
    }
    .hero-summary{
      max-width:780px;
      color:#51635E;
      font-size:18px;
      line-height:1.85;
      margin:0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn-site{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:var(--transition);
      line-height:1.2;
    }
    .btn-primary-site{
      background:var(--primary);
      color:#fff;
      box-shadow:0 13px 28px rgba(15,139,126,.22);
    }
    .btn-primary-site:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
    .btn-accent-site{
      background:var(--accent);
      color:#fff;
      box-shadow:0 13px 28px rgba(217,130,43,.2);
    }
    .btn-accent-site:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline-site{
      background:#fff;
      border-color:rgba(15,139,126,.2);
      color:var(--primary-dark);
    }
    .btn-outline-site:hover{background:var(--primary-soft);border-color:rgba(15,139,126,.42);color:var(--primary-dark);transform:translateY(-2px)}
    .hero-panel{
      background:rgba(255,255,255,.82);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow);
      position:relative;
      z-index:1;
    }
    .panel-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px solid var(--border);
      color:var(--title);
      font-weight:850;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .status-dot:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(15,139,126,.13);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:16px;
    }
    .metric{
      background:var(--card-warm);
      border:1px solid var(--border);
      border-radius:18px;
      padding:15px;
    }
    .metric strong{
      display:block;
      color:var(--title);
      font-size:18px;
      line-height:1.25;
      margin-bottom:3px;
    }
    .metric span{font-size:13px;color:var(--muted)}
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .section-kicker{
      color:var(--primary-dark);
      font-size:14px;
      font-weight:850;
      letter-spacing:.04em;
      margin-bottom:8px;
    }
    .section-title{
      color:var(--title);
      font-size:clamp(26px,3vw,36px);
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.03em;
      margin:0 0 14px;
    }
    .section-desc{
      color:var(--muted);
      max-width:760px;
      margin:0 0 28px;
    }
    .main-card,.sidebar-card,.guide-card,.process-card,.faq-wrap{
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .main-card{padding:30px;margin-bottom:24px}
    .guide-highlight{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
      background:linear-gradient(135deg,#fff 0%,#F2FAF7 100%);
      overflow:hidden;
    }
    .guide-highlight .visual{
      border-radius:22px;
      background:
        linear-gradient(135deg,rgba(8,100,92,.96),rgba(15,139,126,.88)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 1px,transparent 1px 8px);
      padding:22px;
      min-height:280px;
      color:#EAF7F4;
      position:relative;
    }
    .window-bar{
      display:flex;
      gap:7px;
      margin-bottom:16px;
    }
    .window-bar span{
      width:10px;height:10px;border-radius:50%;
      background:#fff;opacity:.72;
    }
    .mock-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      padding:13px 14px;
      border-radius:14px;
      margin-bottom:11px;
      font-size:14px;
    }
    .mock-row b{color:#fff}
    .mock-tag{
      display:inline-flex;
      border-radius:999px;
      padding:4px 9px;
      background:rgba(217,130,43,.95);
      color:#fff;
      font-size:12px;
      font-weight:800;
    }
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .tag-list li{
      padding:7px 11px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .guide-card{
      padding:22px;
      box-shadow:none;
      transition:var(--transition);
    }
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:rgba(15,139,126,.34);
      box-shadow:var(--shadow);
    }
    .guide-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      margin-bottom:14px;
    }
    .guide-card h3{
      margin:0 0 8px;
      color:var(--title);
      font-size:20px;
      font-weight:850;
    }
    .guide-card p{margin:0;color:var(--text);font-size:15px}
    .spec-table{
      display:grid;
      gap:10px;
    }
    .spec-row{
      display:grid;
      grid-template-columns:132px 1fr;
      gap:14px;
      padding:14px 16px;
      border:1px solid var(--border);
      border-radius:16px;
      background:var(--card-warm);
    }
    .spec-row b{color:var(--title)}
    .spec-row span{color:var(--text)}
    .process-list{
      display:grid;
      gap:14px;
      counter-reset:step;
    }
    .process-card{
      box-shadow:none;
      padding:18px 18px 18px 76px;
      position:relative;
      transition:var(--transition);
    }
    .process-card:hover{transform:translateX(3px);border-color:rgba(15,139,126,.34)}
    .process-card:before{
      counter-increment:step;
      content:counter(step);
      position:absolute;
      left:20px;
      top:20px;
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:var(--primary);
      color:#fff;
      font-weight:900;
      box-shadow:0 10px 22px rgba(15,139,126,.2);
    }
    .process-card h3{
      margin:0 0 5px;
      color:var(--title);
      font-size:19px;
      font-weight:850;
    }
    .process-card p{margin:0;color:var(--text)}
    .sidebar{
      position:sticky;
      top:128px;
    }
    .sidebar-card{
      padding:22px;
      margin-bottom:18px;
    }
    .sidebar-card h2,.sidebar-card h3{
      color:var(--title);
      font-size:19px;
      font-weight:850;
      margin:0 0 14px;
    }
    .side-search{
      display:flex;
      gap:8px;
    }
    .form-control{
      min-height:46px;
      border-radius:16px;
      border:1px solid var(--border);
      color:var(--text);
      background:#fff;
    }
    .form-control:focus{
      border-color:rgba(15,139,126,.55);
      box-shadow:0 0 0 4px rgba(15,139,126,.09);
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .tag-cloud a{
      padding:7px 11px;
      border-radius:999px;
      background:#F7F4EA;
      border:1px solid var(--border);
      color:var(--text);
      font-size:13px;
      font-weight:750;
    }
    .tag-cloud a:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(15,139,126,.3);
      transform:translateY(-2px);
    }
    .download-card{
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      color:#EAF7F4;
      border:0;
      overflow:hidden;
      position:relative;
    }
    .download-card:after{
      content:"";
      position:absolute;
      width:170px;height:170px;
      right:-70px;bottom:-70px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .download-card h3{color:#fff!important}
    .download-card p{position:relative;z-index:1;margin-bottom:16px}
    .download-card .btn-site{position:relative;z-index:1;width:100%}
    .mini-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .mini-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:11px 0;
      border-bottom:1px solid var(--border);
      font-size:14px;
    }
    .mini-list li:last-child{border-bottom:0}
    .mini-list b{color:var(--title)}
    .mini-list span{color:var(--muted);text-align:right}
    .rank-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:11px;
      align-items:start;
    }
    .rank-list em{
      width:34px;height:34px;
      border-radius:12px;
      background:#FFF3E4;
      color:var(--accent-dark);
      display:grid;
      place-items:center;
      font-style:normal;
      font-weight:900;
    }
    .rank-list b{display:block;color:var(--title);line-height:1.35}
    .rank-list span{font-size:13px;color:var(--muted)}
    .comparison-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }
    .compare-item{
      border:1px solid var(--border);
      border-radius:20px;
      padding:20px;
      background:var(--card-warm);
    }
    .compare-item strong{
      display:block;
      color:var(--title);
      font-size:18px;
      margin-bottom:8px;
    }
    .compare-item p{margin:0;color:var(--text);font-size:15px}
    .faq-wrap{padding:10px;overflow:hidden}
    .accordion-item{
      border:0;
      background:transparent;
      border-bottom:1px solid var(--border);
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{
      padding:19px 18px;
      font-weight:850;
      color:var(--title);
      background:#fff;
      border-radius:18px!important;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .accordion-button:after{
      width:22px;height:22px;
      border-radius:50%;
      background-color:#fff;
      background-position:center;
      background-size:14px;
      box-shadow:0 0 0 1px var(--border);
    }
    .accordion-body{
      padding:4px 20px 22px;
      color:var(--text);
      line-height:1.85;
    }
    .cta-band{
      padding:44px;
      border-radius:32px;
      background:
        radial-gradient(circle at 88% 18%,rgba(217,130,43,.24),transparent 28%),
        linear-gradient(135deg,#102E2A,#0A5C54);
      color:#EAF7F4;
      box-shadow:0 24px 65px rgba(8,100,92,.22);
      overflow:hidden;
      position:relative;
    }
    .cta-band h2{
      color:#fff;
      font-size:clamp(26px,3vw,36px);
      font-weight:850;
      line-height:1.25;
      margin:0 0 12px;
    }
    .cta-band p{margin:0;color:#CFE5E0;max-width:720px}
    .cta-buttons{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .site-footer{
      background:#172622;
      color:#C8D5D1;
      padding:62px 0 26px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:850;
      font-size:20px;
      margin-bottom:14px;
    }
    .footer-logo{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary);
      color:#fff;
      box-shadow:0 10px 24px rgba(15,139,126,.24);
    }
    .site-footer p{color:#B4C3BF;margin:0 0 18px;max-width:520px}
    .footer-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .footer-tags span{
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      padding:6px 10px;
      color:#D9E7E3;
      font-size:13px;
      background:rgba(255,255,255,.04);
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:13px;
      font-size:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links li{color:#B4C3BF}
    .footer-links a{color:#B4C3BF}
    .footer-links a:hover{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#95A5A0;
      font-size:13px;
    }
    @media (max-width:991.98px){
      .brand-row{min-height:68px}
      .header-tools{display:none}
      .navbar{padding:0 0 10px}
      .navbar-collapse{
        background:#fff;
        border:1px solid var(--border);
        border-radius:22px;
        padding:12px;
        box-shadow:var(--shadow);
        margin-bottom:8px;
      }
      .channel-nav{align-items:stretch;gap:8px}
      .channel-nav .nav-link{width:100%;padding:12px 14px!important}
      .hotword{
        margin-left:0;
        flex-wrap:wrap;
        padding:8px 4px 2px;
      }
      .page-hero{padding:42px 0 34px}
      .hero-panel{margin-top:24px}
      .guide-highlight{grid-template-columns:1fr}
      .sidebar{position:static;margin-top:12px}
      .comparison-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
    }
    @media (max-width:767.98px){
      body{font-size:15px}
      .container{padding-left:18px;padding-right:18px}
      .brand-name{font-size:17px}
      .brand-note{font-size:11px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .hero-summary{font-size:16px}
      .hero-actions,.cta-buttons{flex-direction:column}
      .btn-site{width:100%;min-height:48px}
      .metric-grid,.guide-grid{grid-template-columns:1fr}
      .main-card{padding:22px;border-radius:22px}
      .spec-row{grid-template-columns:1fr;gap:4px}
      .process-card{padding-left:18px;padding-top:72px}
      .process-card:before{top:18px}
      .cta-band{padding:30px 22px;border-radius:24px}
      .copyright{flex-direction:column}
    }
    @media (max-width:575.98px){
      .brand-link{gap:9px}
      .brand-text{max-width:230px}
      .brand-name{white-space:normal;line-height:1.15}
      .page-hero{padding-top:32px}
      .channel-kicker{gap:7px}
      .pill{font-size:12px;padding:6px 10px}
      .mock-row{align-items:flex-start;flex-direction:column}
      .side-search{flex-direction:column}
      .side-search .btn-site{width:100%}
    }