/* roulang page: index */
:root{
      --color-primary:#f47b3d;
      --color-primary-dark:#dd6427;
      --color-primary-soft:#fff0e7;
      --color-coral:#ef6f73;
      --color-cream:#fff9ef;
      --color-cream-2:#fff3df;
      --color-paper:#fffdf8;
      --color-ink:#29231f;
      --color-muted:#746b62;
      --color-light:#a79d93;
      --color-border:#eadfce;
      --color-border-strong:#e3c7aa;
      --color-sidebar:#fffaf0;
      --shadow-soft:0 18px 45px rgba(105,70,38,.10);
      --shadow-card:0 10px 28px rgba(95,65,38,.09);
      --shadow-hover:0 18px 38px rgba(244,123,61,.18);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:16px;
      --side-width:220px;
      --mobile-bar:64px;
      --sticky-height:74px;
      --font-cn:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--color-ink);
      background:
        radial-gradient(circle at 18% 8%, rgba(244,123,61,.12), transparent 26%),
        radial-gradient(circle at 88% 18%, rgba(239,111,115,.10), transparent 28%),
        linear-gradient(135deg, var(--color-cream) 0%, #fffdf8 45%, #fff5e7 100%);
      line-height:1.75;
      padding-bottom:var(--sticky-height);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(126,91,56,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126,91,56,.045) 1px, transparent 1px);
      background-size:26px 26px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 75%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font-family:inherit}
    ::selection{background:#ffd6bd;color:#2b211b}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:#fff;padding:10px 14px;border-radius:12px;z-index:2000
    }
    .skip-link:focus{left:12px;outline:3px solid rgba(244,123,61,.35)}
    .app-shell{
      position:fixed;
      left:0;top:0;bottom:0;
      width:var(--side-width);
      z-index:1040;
      background:rgba(255,250,240,.92);
      border-right:1px solid var(--color-border);
      box-shadow:12px 0 34px rgba(102,72,45,.06);
      backdrop-filter:blur(16px);
      padding:18px 14px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .brand-card{
      display:flex;align-items:center;gap:12px;
      padding:14px 12px;
      border:1px solid var(--color-border);
      border-radius:22px;
      background:linear-gradient(145deg,#fff,#fff2df);
      box-shadow:var(--shadow-card);
    }
    .brand-mark{
      width:42px;height:42px;flex:0 0 42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--color-primary),#ffbc75);
      color:#fff;font-weight:900;
      box-shadow:0 10px 22px rgba(244,123,61,.28);
    }
    .brand-text{font-weight:900;line-height:1.2;letter-spacing:-.02em}
    .brand-text small{display:block;font-size:12px;color:var(--color-muted);font-weight:600;margin-top:3px}
    .side-nav{display:flex;flex-direction:column;gap:8px}
    .side-link{
      min-height:48px;
      display:flex;align-items:center;gap:11px;
      padding:11px 12px;
      border-radius:16px;
      color:#574c42;
      font-weight:750;
      border:1px solid transparent;
      position:relative;
    }
    .side-link i{font-size:18px;color:#9b806b}
    .side-link:hover{
      background:#fff4e5;color:var(--color-primary-dark);border-color:#f6d8bd;
      transform:translateX(2px)
    }
    .side-link:hover i,.side-link.active i{color:var(--color-primary)}
    .side-link.active{
      background:linear-gradient(135deg,#fff1e5,#fffaf4);
      color:#2d241e;
      border-color:#ffcda7;
      box-shadow:0 10px 24px rgba(244,123,61,.12);
    }
    .side-link.active:before{
      content:"";position:absolute;left:-15px;top:12px;bottom:12px;width:4px;border-radius:99px;background:var(--color-primary)
    }
    .side-note{
      margin-top:auto;
      padding:14px;
      border-radius:20px;
      background:#fff;
      border:1px dashed #ecc6a5;
      color:var(--color-muted);
      font-size:13px;
    }
    .side-note strong{display:block;color:var(--color-ink);font-size:14px;margin-bottom:4px}
    .mobile-topbar{
      display:none;
      position:sticky;top:0;z-index:1030;
      background:rgba(255,250,240,.94);
      border-bottom:1px solid var(--color-border);
      backdrop-filter:blur(14px);
      min-height:var(--mobile-bar);
      padding:10px 14px;
    }
    .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:900}
    .menu-btn{
      border:1px solid var(--color-border);
      background:#fff8ee;
      width:44px;height:44px;border-radius:14px;
      display:grid;place-items:center;color:var(--color-ink)
    }
    .menu-btn:hover,.menu-btn:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(244,123,61,.12)}
    .offcanvas{
      background:var(--color-sidebar);
      border-right:1px solid var(--color-border);
    }
    .offcanvas .side-link.active:before{left:-1px}
    .page{
      margin-left:var(--side-width);
      min-height:100vh;
    }
    .content-wrap{
      max-width:1280px;
      margin:0 auto;
      padding:34px 32px 28px;
    }
    .section{padding:42px 0}
    .section-tight{padding:28px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:22px;
      margin-bottom:22px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff1e5;
      border:1px solid #ffd7b6;
      color:#a84e1f;
      font-size:13px;
      font-weight:800;
    }
    h1,h2,h3{letter-spacing:-.025em;line-height:1.22;margin:0;color:var(--color-ink)}
    h1{font-size:clamp(2rem,4.1vw,3.3rem);font-weight:900}
    h2{font-size:clamp(1.55rem,2.6vw,2.35rem);font-weight:900}
    h3{font-size:1.15rem;font-weight:850}
    p{margin:0;color:var(--color-muted)}
    .lead{
      font-size:1.05rem;color:#62564b;line-height:1.85;
    }
    .btn{
      border-radius:999px;
      min-height:46px;
      padding:10px 18px;
      font-weight:850;
      transition:all .22s ease;
    }
    .btn-primary{
      --bs-btn-bg:var(--color-primary);
      --bs-btn-border-color:var(--color-primary);
      --bs-btn-hover-bg:var(--color-primary-dark);
      --bs-btn-hover-border-color:var(--color-primary-dark);
      --bs-btn-active-bg:#c95720;
      --bs-btn-active-border-color:#c95720;
      box-shadow:0 12px 24px rgba(244,123,61,.25);
      color:#fff;
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(244,123,61,.32)}
    .btn-outline-warm{
      background:#fffaf2;
      border:1px solid #efc8a8;
      color:#6b4934;
    }
    .btn-outline-warm:hover{
      background:#fff0e5;border-color:var(--color-primary);color:var(--color-primary-dark);
      transform:translateY(-2px)
    }
    .btn:focus-visible,.form-control:focus,.form-select:focus{
      outline:none;
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(244,123,61,.16);
    }
    .warm-card{
      background:rgba(255,253,248,.92);
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-card);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .warm-card:hover{
      transform:translateY(-4px);
      border-color:#f6bf96;
      box-shadow:var(--shadow-hover);
    }
    .hero{
      padding-top:20px;
    }
    .hero-panel{
      border:1px solid var(--color-border-strong);
      border-radius:34px;
      background:
        radial-gradient(circle at 14% 20%, rgba(244,123,61,.15), transparent 22%),
        linear-gradient(135deg,#fffdf8 0%,#fff4e6 100%);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      position:relative;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      right:-70px;top:-90px;
      width:260px;height:260px;border-radius:50%;
      background:rgba(239,111,115,.13);
      filter:blur(3px);
    }
    .hero-copy{padding:36px;position:relative;z-index:1}
    .hero-copy .lead{max-width:690px;margin-top:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .data-strip{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:24px
    }
    .data-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 12px;border-radius:999px;
      background:#fff;border:1px solid #f1d6be;
      color:#6b5546;font-size:13px;font-weight:800;
    }
    .data-pill i{color:var(--color-primary)}
    .whitepaper{
      height:100%;
      padding:22px;
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:16px;
      align-items:stretch;
    }
    .cover-card{
      border-radius:26px;
      background:
        linear-gradient(160deg,#2f261f 0%,#4d372a 58%,#f47b3d 100%);
      color:#fff;
      padding:24px;
      min-height:320px;
      box-shadow:0 24px 44px rgba(58,39,24,.22);
      position:relative;
      overflow:hidden;
    }
    .cover-card:before{
      content:"";position:absolute;inset:16px;border:1px solid rgba(255,255,255,.20);border-radius:20px
    }
    .cover-card:after{
      content:"";position:absolute;right:-54px;bottom:-54px;width:170px;height:170px;border-radius:46px;
      background:rgba(255,255,255,.12);transform:rotate(18deg)
    }
    .cover-card .cover-kicker{font-size:13px;font-weight:800;color:#ffd8bf;position:relative;z-index:1}
    .cover-card .cover-title{font-size:30px;font-weight:900;line-height:1.18;margin:28px 0 12px;position:relative;z-index:1}
    .cover-card .cover-desc{color:#ffeadd;font-size:14px;position:relative;z-index:1}
    .cover-badges{position:absolute;left:24px;right:24px;bottom:24px;display:flex;flex-wrap:wrap;gap:8px;z-index:1}
    .cover-badges span{padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.14);font-size:12px;font-weight:800}
    .download-card{
      padding:22px;
      border-radius:26px;
      background:#fffaf3;
      border:1px solid #f2d3b6;
    }
    .toc-list{list-style:none;padding:0;margin:16px 0;display:grid;gap:10px}
    .toc-list li{
      display:flex;gap:10px;align-items:flex-start;
      padding:10px;border-radius:14px;background:#fff;border:1px solid #f1e1d2;
      font-size:14px;color:#5e5147
    }
    .toc-list i{color:var(--color-primary);margin-top:2px}
    .lead-form{
      display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px
    }
    .form-control,.form-select{
      border:1px solid #ead7c5;
      border-radius:16px;
      min-height:46px;
      background:#fffdf9;
      color:var(--color-ink);
    }
    .form-text{font-size:12px;color:#89796b}
    .chapter-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .chapter-main{padding:28px}
    .chapter-main .chapter-list{display:grid;gap:12px;margin-top:18px}
    .chapter-row{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;align-items:center;
      padding:14px;border-radius:18px;
      background:#fff8ed;border:1px solid #f0d8bf;
    }
    .num-badge{
      width:36px;height:36px;border-radius:14px;
      display:grid;place-items:center;
      background:#fff;color:var(--color-primary-dark);
      border:1px solid #ffd1ae;font-weight:900;
    }
    .chapter-row strong{display:block;line-height:1.3}
    .chapter-row span{font-size:13px;color:var(--color-muted)}
    .chapter-side{
      padding:24px;
      display:flex;flex-direction:column;justify-content:space-between;
      background:linear-gradient(150deg,#fff,#fff1e1);
    }
    .mini-matrix{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
    .mini-cell{
      padding:14px;border-radius:18px;background:#fff;border:1px solid #f0dac8;
    }
    .mini-cell b{display:block;font-size:22px;color:var(--color-primary-dark);line-height:1}
    .mini-cell span{font-size:13px;color:var(--color-muted)}
    .steps-wrap{
      position:relative;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .step-card{
      padding:24px;
      border-radius:26px;
      background:#fffdf8;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
      position:relative;
      min-height:210px;
    }
    .step-card:nth-child(2){margin-top:22px}
    .step-card:after{
      content:"";
      position:absolute;top:50%;right:-18px;width:18px;border-top:2px dashed #e8b98d;
    }
    .step-card:last-child:after{display:none}
    .step-no{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;border-radius:999px;
      background:#fff0e5;color:#a84e1f;font-weight:900;font-size:13px;
      margin-bottom:14px;
    }
    .step-icon{
      width:46px;height:46px;border-radius:17px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#fff3e5,#ffd2b4);
      color:var(--color-primary-dark);
      font-size:22px;margin-bottom:14px;
    }
    .scenario-board{
      display:grid;
      grid-template-columns:310px 1fr;
      gap:18px;
      align-items:start;
    }
    .scenario-tabs{
      padding:16px;border-radius:26px;background:#fffaf3;border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .nav-pills .nav-link{
      border-radius:16px;
      color:#6b5546;
      font-weight:850;
      padding:12px 14px;
      margin-bottom:8px;
      border:1px solid transparent;
      text-align:left;
    }
    .nav-pills .nav-link:hover{background:#fff0e5;color:var(--color-primary-dark)}
    .nav-pills .nav-link.active{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 10px 20px rgba(244,123,61,.22);
    }
    .scenario-content{
      padding:24px;border-radius:28px;background:#fff;border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .compare-table{
      overflow:auto;border-radius:20px;border:1px solid #efd7c0;margin-top:18px
    }
    .table{margin:0;min-width:640px}
    .table th{
      background:#fff0e1!important;color:#6a3e23;font-size:14px;border-color:#efd7c0!important;
      padding:14px
    }
    .table td{
      border-color:#f1e2d3!important;
      padding:14px;color:#62564b;font-size:14px
    }
    .collection-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
    }
    .collection-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .collection-card{
      padding:20px;border-radius:24px;background:#fffdf8;border:1px solid var(--color-border);box-shadow:var(--shadow-card)
    }
    .collection-card .tag{
      display:inline-flex;padding:5px 9px;border-radius:999px;background:#fff0e6;color:#a84e1f;font-size:12px;font-weight:900;margin-bottom:10px
    }
    .collection-card h3{margin-bottom:8px}
    .collection-card p{font-size:14px}
    .assurance-bar{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      padding:18px;
      border-radius:28px;
      background:#2f2924;
      color:#fff;
      box-shadow:var(--shadow-soft);
    }
    .assurance-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:20px;background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }
    .assurance-item i{font-size:22px;color:#ffb47f}
    .assurance-item strong{display:block;color:#fff;line-height:1.25}
    .assurance-item span{display:block;color:#d8c9bc;font-size:13px;margin-top:3px}
    .story-band{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      padding:28px;
      border-radius:30px;
      background:linear-gradient(135deg,#fff7ec,#fffdf8);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .story-quote{
      display:grid;gap:12px;
    }
    .quote-bubble{
      padding:18px;border-radius:22px 22px 22px 8px;
      background:#fff;border:1px solid #f0d3bb;
      color:#635449;
      box-shadow:0 10px 22px rgba(105,70,38,.07);
    }
    .avatar-wall{
      display:flex;align-items:center;flex-wrap:wrap;gap:0;margin-top:16px
    }
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      border:3px solid #fffaf0;
      margin-left:-8px;
      box-shadow:0 8px 18px rgba(80,51,30,.12);
    }
    .avatar:first-child{margin-left:0}
    .a1{background:linear-gradient(135deg,#f47b3d,#ffbd76)}
    .a2{background:linear-gradient(135deg,#ef6f73,#ffb0a4)}
    .a3{background:linear-gradient(135deg,#9b6a43,#dca66f)}
    .a4{background:linear-gradient(135deg,#d98948,#ffd28b)}
    .a5{background:linear-gradient(135deg,#6b5546,#b89072)}
    .bubble-grid{
      columns:3 240px;
      column-gap:14px;
    }
    .bubble-card{
      break-inside:avoid;
      display:inline-block;width:100%;
      padding:18px;
      margin:0 0 14px;
      border-radius:24px 24px 24px 10px;
      background:#fff;
      border:1px solid #f0d7c0;
      box-shadow:var(--shadow-card);
    }
    .bubble-card:nth-child(even){border-radius:24px 24px 10px 24px;background:#fff7ef}
    .bubble-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
    .bubble-name{font-weight:900}
    .like{font-size:12px;color:#b85a2c;background:#fff0e5;border-radius:999px;padding:4px 8px;font-weight:800}
    .news-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
    }
    .news-list{
      padding:22px;border-radius:28px;background:#fff;border:1px solid var(--color-border);box-shadow:var(--shadow-card)
    }
    .news-item{
      display:grid;grid-template-columns:auto 1fr auto;
      gap:14px;align-items:center;
      padding:15px 0;
      border-bottom:1px solid #f0e2d4;
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      width:58px;height:58px;border-radius:18px;
      display:grid;place-items:center;
      background:#fff0e5;color:#a84e1f;font-weight:900;font-size:13px;text-align:center;line-height:1.2
    }
    .news-item a{font-weight:900;color:var(--color-ink)}
    .news-item a:hover{color:var(--color-primary-dark)}
    .news-item p{font-size:14px;margin-top:2px}
    .recommend-card{
      padding:24px;border-radius:28px;
      background:linear-gradient(145deg,#3a3029,#5b4031);
      color:#fff;
      min-height:100%;
      position:relative;overflow:hidden;
    }
    .recommend-card:after{
      content:"";position:absolute;right:-50px;bottom:-55px;width:190px;height:190px;border-radius:54px;background:rgba(255,255,255,.09);transform:rotate(-16deg)
    }
    .recommend-card h3{color:#fff;margin:12px 0}
    .recommend-card p{color:#eadbd0;position:relative;z-index:1}
    .recommend-card .btn{position:relative;z-index:1;margin-top:18px}
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fffdf8;
      box-shadow:0 8px 22px rgba(105,70,38,.06);
    }
    .accordion-button{
      padding:17px 20px;
      font-weight:900;
      color:var(--color-ink);
      background:#fffdf8;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:#fff0e5;
      color:#8c431e;
      border-bottom:1px solid #f1d0b5;
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(244,123,61,.14)!important}
    .accordion-body{color:#66594e;padding:18px 20px 20px}
    .accordion-button::after{
      filter:sepia(1) saturate(2) hue-rotate(335deg);
    }
    .trial-cta{
      display:grid;
      grid-template-columns:1fr 380px;
      gap:22px;
      align-items:center;
      padding:30px;
      border-radius:32px;
      background:
        radial-gradient(circle at 10% 20%, rgba(244,123,61,.18), transparent 26%),
        linear-gradient(135deg,#fff3e6,#fffdf8);
      border:1px solid #efcfb3;
      box-shadow:var(--shadow-soft);
    }
    .cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .cta-points span{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid #f0d6bf;color:#6b5546;font-size:13px;font-weight:800}
    .cta-form-card{
      padding:20px;border-radius:26px;background:#fff;border:1px solid var(--color-border);box-shadow:var(--shadow-card)
    }
    .site-footer{
      margin-top:26px;
      padding:28px;
      border-radius:30px 30px 0 0;
      background:#2c2723;
      color:#fff;
    }
    .footer-top{
      display:flex;align-items:flex-start;justify-content:space-between;gap:22px;
      padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.10)
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:900}
    .footer-brand .brand-mark{width:40px;height:40px;flex-basis:40px}
    .footer-links{display:flex;gap:14px;flex-wrap:wrap}
    .footer-links a{color:#e8d8cb;font-weight:750}
    .footer-links a:hover{color:#ffb47f}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:18px;color:#ccbdb0;font-size:13px
    }
    .sticky-conversion-bar{
      position:fixed;
      left:calc(var(--side-width) + 24px);
      right:24px;
      bottom:16px;
      z-index:1035;
      min-height:58px;
      padding:10px 12px 10px 18px;
      border-radius:999px;
      background:rgba(255,253,248,.94);
      border:1px solid #efcfb3;
      box-shadow:0 16px 42px rgba(82,55,34,.18);
      backdrop-filter:blur(16px);
      display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .sticky-copy{display:flex;align-items:center;gap:10px;font-weight:900}
    .sticky-copy i{
      width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff0e5;color:var(--color-primary-dark)
    }
    .sticky-copy small{display:block;font-weight:650;color:var(--color-muted);line-height:1.25}
    .badge-warm{
      background:#fff0e5!important;
      color:#a84e1f!important;
      border:1px solid #ffd3b1;
      font-weight:850;
    }
    .text-muted-warm{color:var(--color-muted)!important}
    @media (max-width:1199.98px){
      :root{--side-width:86px}
      .app-shell{width:var(--side-width);padding:14px 10px}
      .brand-card{justify-content:center;padding:12px 8px}
      .brand-text,.side-link span,.side-note{display:none}
      .side-link{justify-content:center;padding:12px}
      .side-link.active:before{left:-11px}
      .content-wrap{padding:28px 26px}
      .whitepaper{grid-template-columns:1fr}
      .cover-card{min-height:250px}
      .chapter-grid,.collection-grid,.news-layout,.story-band,.trial-cta{grid-template-columns:1fr}
      .assurance-bar{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991.98px){
      body{padding-bottom:76px}
      .app-shell{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between;gap:10px}
      .page{margin-left:0}
      .content-wrap{padding:20px 16px 24px}
      .hero{padding-top:10px}
      .hero-copy{padding:26px}
      .scenario-board{grid-template-columns:1fr}
      .scenario-tabs .nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
      .nav-pills .nav-link{margin-bottom:0;text-align:center}
      .steps-wrap{grid-template-columns:1fr}
      .step-card:nth-child(2){margin-top:0}
      .step-card:after{display:none}
      .sticky-conversion-bar{left:12px;right:12px;bottom:10px;border-radius:22px}
      .sticky-copy small{display:none}
    }
    @media (max-width:767.98px){
      h1{font-size:2rem}
      .section{padding:32px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .hero-panel{border-radius:26px}
      .hero-copy{padding:22px}
      .hero-actions .btn{width:100%;justify-content:center;display:inline-flex}
      .cover-card{min-height:230px;padding:20px}
      .cover-card .cover-title{font-size:25px}
      .download-card{padding:18px}
      .mini-matrix,.collection-list{grid-template-columns:1fr}
      .chapter-row{grid-template-columns:auto 1fr}
      .chapter-row .badge{grid-column:2}
      .scenario-tabs .nav{grid-template-columns:1fr}
      .assurance-bar{grid-template-columns:1fr;padding:14px}
      .bubble-grid{columns:1}
      .news-item{grid-template-columns:auto 1fr}
      .news-item .btn{grid-column:2;justify-self:start}
      .trial-cta{padding:22px;border-radius:26px}
      .footer-top{display:block}
      .footer-links{margin-top:18px}
      .footer-bottom{display:block}
      .sticky-conversion-bar{min-height:62px;padding:9px 10px}
      .sticky-copy{font-size:14px}
      .sticky-copy i{display:none}
      .sticky-conversion-bar .btn{min-height:44px;padding:9px 13px;font-size:14px}
    }
    @media (max-width:520px){
      .mobile-brand .brand-mark{width:38px;height:38px;flex-basis:38px}
      .mobile-brand span{font-size:14px;line-height:1.2}
      .mobile-topbar .btn{display:none}
      .data-pill{width:100%;justify-content:center}
      .whitepaper{padding:14px}
      .cover-badges{position:relative;left:auto;right:auto;bottom:auto;margin-top:22px}
      .sticky-conversion-bar{gap:8px}
      .sticky-copy{max-width:52%}
    }

/* roulang page: category2 */
:root{
      --bg:#fff7ed;
      --bg-soft:#fffaf4;
      --panel:#ffffff;
      --panel-warm:#fff2df;
      --ink:#2d2925;
      --muted:#746a61;
      --weak:#9b8e83;
      --brand:#f07a2b;
      --brand-dark:#d95f12;
      --brand-soft:#ffe0c2;
      --coral:#f59a86;
      --coral-soft:#ffe6df;
      --cream:#fff4df;
      --line:#ead8c6;
      --line-strong:#dfc4aa;
      --shadow:0 18px 45px rgba(112,73,39,.13);
      --shadow-hover:0 24px 60px rgba(112,73,39,.19);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --side:236px;
      --bar-h:76px;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 10%, rgba(240,122,43,.16), transparent 28%),
        radial-gradient(circle at 88% 4%, rgba(245,154,134,.18), transparent 26%),
        linear-gradient(135deg, rgba(255,255,255,.74) 25%, transparent 25%) 0 0/28px 28px,
        var(--bg);
      padding-bottom:100px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img,svg{max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    ::selection{background:var(--brand-soft);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(240,122,43,.35);outline-offset:3px;border-radius:12px}

    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,250,244,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line);
      padding:10px 14px;
    }
    .mobile-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .brand-link,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(145deg,var(--brand),var(--coral));
      box-shadow:0 12px 24px rgba(240,122,43,.25);
      border:2px solid rgba(255,255,255,.75);
      flex:0 0 auto;
    }
    .top-cta{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:44px;
      padding:9px 14px;
      border-radius:999px;
      background:var(--ink);
      color:#fff;
      font-weight:800;
      font-size:13px;
      white-space:nowrap;
    }
    .menu-btn{
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff;
      color:var(--ink);
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }

    .app-shell{
      position:fixed;
      inset:18px auto 18px 18px;
      width:var(--side);
      z-index:1020;
      background:rgba(255,250,244,.84);
      border:1px solid rgba(234,216,198,.9);
      border-radius:30px;
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .shell-logo{
      padding:14px;
      border-radius:24px;
      background:linear-gradient(180deg,#fff,#fff3e4);
      border:1px solid var(--line);
      box-shadow:0 12px 25px rgba(112,73,39,.08);
    }
    .shell-logo .brand-link{font-size:17px}
    .shell-note{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .side-nav{display:flex;flex-direction:column;gap:10px}
    .side-link{
      min-height:52px;
      display:flex;
      align-items:center;
      gap:11px;
      padding:12px 13px;
      border-radius:18px;
      color:var(--muted);
      font-weight:750;
      border:1px solid transparent;
      position:relative;
    }
    .side-link i{font-size:19px;color:var(--brand)}
    .side-link:hover{
      background:#fff;
      color:var(--brand-dark);
      border-color:var(--line);
      transform:translateX(2px);
      box-shadow:0 10px 22px rgba(112,73,39,.08);
    }
    .side-link.active{
      background:linear-gradient(135deg,var(--brand),#ff9a52);
      color:#fff;
      box-shadow:0 14px 28px rgba(240,122,43,.24);
    }
    .side-link.active i{color:#fff}
    .shell-status{
      margin-top:auto;
      padding:14px;
      border-radius:20px;
      background:#fff;
      border:1px dashed var(--line-strong);
      color:var(--muted);
      font-size:13px;
    }
    .shell-status strong{display:block;color:var(--ink);margin-bottom:4px}

    .offcanvas{
      background:var(--bg-soft);
      border-right:1px solid var(--line);
    }
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .offcanvas .side-nav{margin-top:14px}
    .offcanvas .side-link{background:#fff;border-color:var(--line)}

    .page-wrap{
      margin-left:calc(var(--side) + 34px);
      padding:34px 28px 0;
    }
    .content-max{max-width:1240px;margin:0 auto}
    .section{padding:34px 0}
    .section-tight{padding:18px 0}
    .section-heading{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:20px;
    }
    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-size:13px;
      font-weight:800;
      margin-bottom:10px;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(2rem,4.1vw,3.1rem);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(1.45rem,2.5vw,2.15rem);
      line-height:1.25;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:10px;
    }
    h3{
      font-size:1.08rem;
      line-height:1.45;
      font-weight:850;
      margin-bottom:8px;
    }
    .lead-text{font-size:17px;color:var(--muted);max-width:760px}
    .muted{color:var(--muted)}
    .small-note{font-size:13px;color:var(--weak)}

    .btn{
      border-radius:999px;
      font-weight:850;
      min-height:46px;
      padding:10px 20px;
      border:0;
      transition:.22s ease;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),#ff9b53);
      color:#fff;
      box-shadow:0 14px 26px rgba(240,122,43,.24);
    }
    .btn-primary:hover,.btn-primary:active,.btn-primary:focus{
      background:linear-gradient(135deg,var(--brand-dark),var(--brand));
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(240,122,43,.3);
    }
    .btn-outline-warm{
      background:#fffaf4;
      border:1px solid var(--line-strong);
      color:var(--ink);
    }
    .btn-outline-warm:hover{
      background:var(--brand-soft);
      border-color:var(--brand);
      color:var(--brand-dark);
      transform:translateY(-2px);
    }
    .mini-btn{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:8px 13px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--brand-dark);
      font-size:13px;
      font-weight:850;
    }
    .mini-btn:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}

    .badge-soft,.tag-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
      font-weight:750;
    }
    .badge-hot{
      background:var(--coral-soft);
      color:#a94735;
      border-color:#ffd0c5;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}

    .warm-card{
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 30px rgba(112,73,39,.08);
      transition:.22s ease;
      position:relative;
      overflow:hidden;
    }
    .warm-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,122,43,.48);
      box-shadow:var(--shadow-hover);
    }

    .hero-panel{
      min-height:560px;
      padding:34px;
      border-radius:34px;
      background:
        radial-gradient(circle at 74% 18%, rgba(240,122,43,.18), transparent 30%),
        linear-gradient(135deg,#fff,#fff2df);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(245,154,134,.22);
      filter:blur(4px);
    }
    .hero-copy{position:relative;z-index:1}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .coupon-wall{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:14px;
      align-items:stretch;
    }
    .main-coupon{
      min-height:260px;
      padding:25px;
      border-radius:26px;
      background:
        linear-gradient(135deg,#2d2925,#4b372d);
      color:#fff;
      box-shadow:0 22px 46px rgba(45,41,37,.22);
      position:relative;
      overflow:hidden;
    }
    .main-coupon:before,.main-coupon:after{
      content:"";
      position:absolute;
      top:50%;
      width:30px;
      height:30px;
      border-radius:50%;
      background:#fff2df;
      transform:translateY(-50%);
    }
    .main-coupon:before{left:-15px}
    .main-coupon:after{right:-15px}
    .coupon-kicker{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      color:#ffe1ca;
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    .coupon-title{font-size:1.65rem;font-weight:900;line-height:1.25;margin-bottom:12px}
    .coupon-desc{color:#f5ddc9;margin-bottom:20px}
    .coupon-side{display:grid;gap:14px}
    .coupon-mini{
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 22px rgba(112,73,39,.08);
    }
    .coupon-mini strong{display:block;font-weight:900;margin-bottom:4px}
    .coupon-mini span{font-size:13px;color:var(--muted)}

    .filter-panel{
      padding:22px;
      border-radius:28px;
      background:#fffaf4;
      border:1px solid var(--line);
    }
    .filter-pills{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .filter-pills .nav-link{
      border-radius:999px;
      color:var(--muted);
      background:#fff;
      border:1px solid var(--line);
      font-weight:800;
      padding:10px 15px;
    }
    .filter-pills .nav-link:hover{
      color:var(--brand-dark);
      border-color:var(--brand);
      background:var(--brand-soft);
    }
    .filter-pills .nav-link.active{
      background:var(--brand);
      color:#fff;
      border-color:var(--brand);
      box-shadow:0 12px 22px rgba(240,122,43,.22);
    }

    .question-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      gap:18px;
      align-items:start;
    }
    .question-card{
      padding:22px;
      min-height:190px;
    }
    .question-card.tall{min-height:260px}
    .question-card.wide{grid-column:span 2;min-height:210px}
    .question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:5px 10px;
      background:var(--cream);
      color:var(--brand-dark);
      border:1px solid var(--line);
      font-size:12px;
      font-weight:850;
      white-space:nowrap;
    }
    .question-card p{
      color:var(--muted);
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }

    .compare-stack{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .compare-card{
      padding:24px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 13px 28px rgba(112,73,39,.08);
    }
    .compare-card.accent{
      background:linear-gradient(180deg,#fff6ed,#fff);
      border-color:#ffd0b1;
    }
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
    }
    .check-list i{
      color:var(--brand);
      font-size:18px;
      margin-top:3px;
      flex:0 0 auto;
    }

    .note-board{
      padding:28px;
      border-radius:30px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(255,242,223,.88));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .tip-row{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:center;
    }
    .bubble-wrap{
      display:grid;
      gap:14px;
    }
    .bubble-card{
      padding:16px 18px;
      border-radius:22px 22px 22px 8px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      box-shadow:0 10px 22px rgba(112,73,39,.08);
      position:relative;
    }
    .bubble-card:nth-child(2){
      margin-left:28px;
      background:#fff6ef;
      border-color:#ffd3bd;
    }
    .bubble-card strong{color:var(--ink)}
    .avatar-wall{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:0;
      margin:14px 0;
    }
    .avatar{
      width:44px;
      height:44px;
      margin-left:-8px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      border:3px solid #fffaf4;
      box-shadow:0 8px 16px rgba(112,73,39,.12);
    }
    .avatar:first-child{margin-left:0}
    .a1{background:linear-gradient(135deg,#f07a2b,#ffc078)}
    .a2{background:linear-gradient(135deg,#f59a86,#ffcabd)}
    .a3{background:linear-gradient(135deg,#8f6b4d,#d0a678)}
    .a4{background:linear-gradient(135deg,#c46a3d,#f3b179)}
    .a5{background:linear-gradient(135deg,#6d5545,#e2a06e)}
    .a6{background:linear-gradient(135deg,#e18651,#ffd6a3)}
    .metric-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .metric{
      padding:16px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
    }
    .metric strong{display:block;font-size:1.35rem;color:var(--brand-dark);line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}

    .process-lane{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .step-card{
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(112,73,39,.07);
      position:relative;
    }
    .step-num{
      width:36px;
      height:36px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-weight:900;
      margin-bottom:14px;
    }
    .step-card:not(:last-child):after{
      content:"";
      position:absolute;
      top:38px;
      right:-13px;
      width:24px;
      border-top:2px dashed var(--line-strong);
    }

    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 20px rgba(112,73,39,.06);
    }
    .accordion-button{
      min-height:58px;
      font-weight:850;
      color:var(--ink);
      background:#fff;
      box-shadow:none!important;
      border-radius:20px!important;
      padding:18px 20px;
    }
    .accordion-button:not(.collapsed){
      color:var(--brand-dark);
      background:linear-gradient(135deg,#fff4e8,#fff);
    }
    .accordion-button:after{
      filter:sepia(1) saturate(2) hue-rotate(345deg);
    }
    .accordion-body{
      padding:0 20px 20px;
      color:var(--muted);
    }

    .cta-panel{
      padding:30px;
      border-radius:30px;
      background:
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.35), transparent 24%),
        linear-gradient(135deg,var(--brand),#ff9b52);
      color:#fff;
      box-shadow:0 22px 50px rgba(240,122,43,.26);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-panel p{color:#fff3e9;margin:0;max-width:720px}
    .cta-panel .btn{
      background:#fff;
      color:var(--brand-dark);
      box-shadow:0 16px 30px rgba(112,73,39,.18);
      flex:0 0 auto;
    }
    .cta-panel .btn:hover{background:#fff7ed;color:var(--ink)}

    .site-footer{
      margin-top:30px;
      border-radius:30px 30px 0 0;
      background:#332d28;
      color:#fff;
      overflow:hidden;
      box-shadow:0 -12px 32px rgba(51,45,40,.13);
    }
    .footer-top{
      padding:30px;
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-start;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{font-size:18px}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:#f5e6d8;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-weight:700;
      font-size:14px;
    }
    .footer-links a:hover{
      background:rgba(240,122,43,.18);
      color:#fff;
      border-color:rgba(240,122,43,.45);
    }
    .footer-bottom{
      padding:16px 30px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#cdbbac;
      font-size:13px;
      flex-wrap:wrap;
    }

    .sticky-conversion-bar{
      position:fixed;
      left:calc(var(--side) + 34px);
      right:28px;
      bottom:18px;
      z-index:1040;
      max-width:1240px;
      margin:0 auto;
      border-radius:24px;
      background:rgba(255,250,244,.94);
      border:1px solid var(--line);
      box-shadow:0 18px 46px rgba(112,73,39,.18);
      backdrop-filter:blur(18px);
      padding:12px;
    }
    .sticky-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .sticky-copy{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-weight:750;
    }
    .sticky-icon{
      width:42px;
      height:42px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--brand-soft);
      color:var(--brand-dark);
      flex:0 0 auto;
    }

    @media (max-width:1199.98px){
      :root{--side:208px}
      .page-wrap{padding-left:20px;padding-right:20px}
      .question-grid{grid-template-columns:1fr 1fr}
      .question-card.wide{grid-column:span 2}
      .process-lane{grid-template-columns:repeat(2,1fr)}
      .step-card:nth-child(2):after{display:none}
    }
    @media (max-width:991.98px){
      body{padding-bottom:92px}
      .mobile-topbar{display:block}
      .app-shell{display:none}
      .page-wrap{margin-left:0;padding:20px 14px 0}
      .hero-panel{padding:24px;min-height:auto}
      .coupon-wall{grid-template-columns:1fr}
      .question-grid{grid-template-columns:1fr}
      .question-card.wide{grid-column:auto}
      .compare-stack,.tip-row{grid-template-columns:1fr}
      .sticky-conversion-bar{
        left:14px;
        right:14px;
        bottom:12px;
        border-radius:20px;
      }
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:767.98px){
      .section{padding:25px 0}
      .section-heading{display:block}
      .lead-text{font-size:15.5px}
      .hero-panel{border-radius:26px;padding:20px}
      .main-coupon{min-height:auto;padding:20px}
      .coupon-title{font-size:1.35rem}
      .hero-actions .btn{width:100%}
      .filter-panel{padding:16px;border-radius:22px}
      .filter-pills{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .filter-pills .nav-link{white-space:nowrap}
      .process-lane{grid-template-columns:1fr}
      .step-card:after{display:none!important}
      .metric-strip{grid-template-columns:1fr}
      .cta-panel{display:block;padding:24px;border-radius:24px}
      .cta-panel .btn{width:100%;margin-top:18px}
      .footer-top,.footer-bottom{padding-left:20px;padding-right:20px}
      .sticky-inner{gap:10px}
      .sticky-copy{font-size:13px;line-height:1.4}
      .sticky-copy span{display:none}
      .sticky-conversion-bar .btn{min-height:44px;padding:9px 14px;font-size:14px}
    }
    @media (max-width:520px){
      .mobile-topbar .brand-link span:last-child{max-width:142px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .top-cta{display:none}
      h1{font-size:1.9rem}
      .tag-row{gap:8px}
      .badge-soft,.tag-pill{font-size:12px}
      .bubble-card:nth-child(2){margin-left:0}
    }

/* roulang page: category1 */
:root{
      --warm-bg:#fff7ed;
      --warm-bg-2:#fffaf3;
      --surface:#ffffff;
      --surface-soft:#fff2df;
      --surface-cream:#fff8ee;
      --primary:#f18a3d;
      --primary-dark:#d96f25;
      --primary-soft:#ffe0c1;
      --accent:#e96f69;
      --accent-soft:#ffe4df;
      --ink:#2f2924;
      --muted:#766a5f;
      --muted-2:#a99a8c;
      --border:#eadbca;
      --border-strong:#e6c4a6;
      --footer:#332b26;
      --shadow-sm:0 10px 24px rgba(92,62,35,.08);
      --shadow:0 18px 46px rgba(92,62,35,.13);
      --shadow-lg:0 28px 70px rgba(92,62,35,.18);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --sidebar:220px;
      --sidebar-mid:96px;
      --bar-height:74px;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 8%, rgba(241,138,61,.18), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(233,111,105,.13), transparent 25%),
        linear-gradient(135deg, rgba(255,247,237,.92), rgba(255,250,243,.96)),
        repeating-linear-gradient(45deg, rgba(120,82,45,.035) 0 1px, transparent 1px 18px);
      min-height:100vh;
      padding-bottom:96px;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary-dark)}
    img,svg{max-width:100%;display:block}
    button,input,textarea{font-family:inherit}
    ::selection{background:var(--primary-soft);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(241,138,61,.36);outline-offset:3px;border-radius:12px}
    .desktop-shell{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar);
      z-index:1030;
      padding:18px 14px;
      background:rgba(255,250,243,.92);
      backdrop-filter:blur(14px);
      border-right:1px solid rgba(234,219,202,.9);
      box-shadow:8px 0 28px rgba(92,62,35,.06);
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .brand-card{
      display:flex;
      align-items:center;
      gap:12px;
      padding:15px 13px;
      border-radius:22px;
      background:linear-gradient(145deg,#fff,#fff0dc);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      min-height:68px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      flex:0 0 38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--primary),#ffb36d);
      color:#fff;
      font-weight:900;
      box-shadow:0 12px 22px rgba(241,138,61,.28);
    }
    .brand-text{font-weight:900;font-size:16px;line-height:1.25;letter-spacing:-.02em}
    .brand-sub{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-top:2px}
    .side-nav{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:11px;
      min-height:48px;
      padding:12px 13px;
      border-radius:18px;
      color:var(--muted);
      font-weight:800;
      border:1px solid transparent;
    }
    .side-link i{font-size:19px;color:#b68158;transition:.22s ease}
    .side-link:hover{
      color:var(--primary-dark);
      background:#fff4e7;
      border-color:var(--border);
      transform:translateX(2px);
    }
    .side-link.active{
      color:var(--ink);
      background:linear-gradient(135deg,#ffe7cc,#fff8ef);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-sm);
    }
    .side-link.active:before{
      content:"";
      position:absolute;
      left:-7px;
      top:12px;
      bottom:12px;
      width:4px;
      border-radius:999px;
      background:var(--primary);
    }
    .side-link.active i{color:var(--primary-dark)}
    .trust-chip{
      margin-top:auto;
      padding:14px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      color:var(--muted);
      font-size:13px;
    }
    .trust-chip strong{display:block;color:var(--ink);font-size:14px;margin-bottom:2px}
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:1040;
      min-height:68px;
      padding:10px 14px;
      background:rgba(255,250,243,.94);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--border);
      box-shadow:0 8px 22px rgba(92,62,35,.06);
    }
    .mobile-topbar .brand-card{
      padding:8px 10px;
      min-height:48px;
      box-shadow:none;
      border-radius:17px;
      background:#fff8ef;
    }
    .mobile-topbar .brand-mark{width:32px;height:32px;flex-basis:32px;border-radius:12px}
    .menu-btn{
      width:44px;
      height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--border);
      border-radius:15px;
      background:#fff;
      color:var(--ink);
      box-shadow:var(--shadow-sm);
    }
    .menu-btn:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
    .offcanvas{
      background:var(--warm-bg-2);
      border-right:1px solid var(--border);
    }
    .offcanvas-header{
      border-bottom:1px solid var(--border);
      padding:18px;
    }
    .offcanvas-body{padding:18px}
    .main-wrap{
      margin-left:var(--sidebar);
      min-height:100vh;
      padding:28px 28px 0;
    }
    .page-container{
      width:min(100%,1280px);
      margin:0 auto;
    }
    .section{
      margin:34px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      font-weight:900;
      font-size:13px;
      box-shadow:var(--shadow-sm);
    }
    .eyebrow i{font-size:15px}
    .page-hero{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(120deg, rgba(255,255,255,.96), rgba(255,239,218,.92)),
        radial-gradient(circle at 78% 18%, rgba(241,138,61,.18), transparent 28%);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .page-hero:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-110px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(233,111,105,.12);
      pointer-events:none;
    }
    .hero-title{
      margin:18px 0 12px;
      font-size:clamp(30px,4vw,46px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .hero-summary{
      max-width:720px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      border-radius:999px;
      min-height:44px;
      padding:10px 18px;
      font-weight:900;
      border-width:1px;
      transition:.22s ease;
    }
    .btn-primary{
      --bs-btn-bg:var(--primary);
      --bs-btn-border-color:var(--primary);
      --bs-btn-hover-bg:var(--primary-dark);
      --bs-btn-hover-border-color:var(--primary-dark);
      --bs-btn-active-bg:#c9611e;
      --bs-btn-active-border-color:#c9611e;
      color:#fff;
      box-shadow:0 14px 28px rgba(241,138,61,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(241,138,61,.32)}
    .btn-outline-warm{
      background:#fffaf4;
      color:var(--ink);
      border-color:var(--border-strong);
    }
    .btn-outline-warm:hover{
      background:#fff0de;
      border-color:var(--primary);
      color:var(--primary-dark);
      transform:translateY(-2px);
    }
    .progress-board{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:180px 1fr;
      gap:18px;
      align-items:stretch;
    }
    .progress-ring-card,
    .tier-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      box-shadow:var(--shadow-sm);
    }
    .progress-ring-card{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      padding:22px 16px;
      text-align:center;
    }
    .progress-ring{
      width:124px;
      height:124px;
      border-radius:50%;
      background:conic-gradient(var(--primary) 0 76%, #f5e3d1 76% 100%);
      display:grid;
      place-items:center;
      margin-bottom:12px;
      box-shadow:inset 0 0 0 10px rgba(255,255,255,.45);
    }
    .progress-ring span{
      width:88px;
      height:88px;
      border-radius:50%;
      background:#fffaf4;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:25px;
      font-weight:900;
      color:var(--primary-dark);
    }
    .progress-ring-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .tier-list{
      display:grid;
      gap:12px;
    }
    .tier-card{
      padding:15px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
    }
    .tier-card:hover{
      transform:translateY(-3px);
      border-color:var(--primary);
      box-shadow:var(--shadow);
    }
    .tier-title{font-weight:900;margin-bottom:2px}
    .tier-note{font-size:13px;color:var(--muted);line-height:1.5}
    .status-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(241,138,61,.12);
      flex:0 0 10px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:20px;
    }
    .warm-badge,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff6eb;
      border:1px solid var(--border);
      color:#8c5630;
      font-size:13px;
      font-weight:800;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:8px 0 0;
      font-size:clamp(24px,3vw,34px);
      line-height:1.24;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .section-head p{
      margin:0;
      max-width:560px;
      color:var(--muted);
    }
    .warm-card{
      position:relative;
      height:100%;
      padding:24px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:.24s ease;
    }
    .warm-card:hover{
      transform:translateY(-5px);
      border-color:var(--primary);
      box-shadow:var(--shadow);
    }
    .map-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
    }
    .topic-large{
      min-height:300px;
      background:
        linear-gradient(150deg,#fff,#fff2df),
        radial-gradient(circle at 90% 15%, rgba(241,138,61,.22), transparent 32%);
    }
    .topic-large .icon-chip{
      width:56px;height:56px;border-radius:20px;
      display:flex;align-items:center;justify-content:center;
      color:#fff;background:linear-gradient(135deg,var(--primary),#ffb16c);
      font-size:26px;box-shadow:0 14px 28px rgba(241,138,61,.25);
      margin-bottom:18px;
    }
    .warm-card h3{
      margin:0 0 8px;
      font-size:21px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .warm-card p{margin:0;color:var(--muted)}
    .mini-topic-list{
      display:grid;
      gap:18px;
    }
    .mini-topic{
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .num-chip{
      width:38px;height:38px;
      border-radius:15px;
      flex:0 0 38px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--surface-soft);
      color:var(--primary-dark);
      font-weight:900;
      border:1px solid var(--border-strong);
    }
    .card-stack{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
      align-items:stretch;
    }
    .info-card{grid-column:span 4}
    .info-card.wide{grid-column:span 7}
    .info-card.mid{grid-column:span 5}
    .info-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:12px;
    }
    .small-cta{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:16px;
      padding:8px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:#fff6ed;
      border:1px solid var(--border);
      font-weight:900;
      font-size:13px;
    }
    .small-cta:hover{
      background:var(--primary);
      border-color:var(--primary);
      color:#fff;
    }
    .step-panel{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .step-row{
      display:grid;
      grid-template-columns:1fr 1fr 1fr 1fr;
    }
    .step-item{
      position:relative;
      padding:24px 20px;
      border-right:1px dashed var(--border-strong);
      min-height:190px;
    }
    .step-item:last-child{border-right:0}
    .step-item:after{
      content:"";
      position:absolute;
      right:-7px;
      top:42px;
      width:14px;
      height:14px;
      border-radius:50%;
      background:#fff;
      border:3px solid var(--primary-soft);
      z-index:2;
    }
    .step-item:last-child:after{display:none}
    .step-item .num-chip{margin-bottom:14px}
    .compare-wrap{
      border-radius:var(--radius);
      overflow:hidden;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .table{
      margin:0;
      --bs-table-color:var(--ink);
      --bs-table-bg:#fff;
      --bs-table-border-color:var(--border);
    }
    .table thead th{
      background:#fff0dd;
      color:#6c4127;
      border-bottom:1px solid var(--border-strong);
      font-weight:900;
      padding:15px 18px;
      white-space:nowrap;
    }
    .table td{
      padding:15px 18px;
      color:var(--muted);
      vertical-align:middle;
    }
    .scenario-board{
      border-radius:var(--radius-lg);
      padding:22px;
      background:linear-gradient(140deg,#fffaf2,#fff);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .nav-pills{
      gap:10px;
      margin-bottom:18px;
    }
    .nav-pills .nav-link{
      border-radius:999px;
      padding:9px 14px;
      color:var(--muted);
      background:#fff;
      border:1px solid var(--border);
      font-weight:900;
    }
    .nav-pills .nav-link:hover{
      color:var(--primary-dark);
      border-color:var(--primary);
      background:#fff5e9;
    }
    .nav-pills .nav-link.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 12px 24px rgba(241,138,61,.22);
    }
    .scenario-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
    }
    .check-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 13px;
      border-radius:16px;
      background:#fff8ef;
      border:1px solid var(--border);
      color:var(--muted);
    }
    .check-list i{
      color:var(--primary-dark);
      font-size:18px;
      margin-top:1px;
    }
    .bubble-zone{
      display:grid;
      grid-template-columns:280px 1fr;
      gap:20px;
      align-items:center;
    }
    .avatar-wall{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:20px;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .avatar{
      width:48px;
      height:48px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      border:3px solid #fff;
      box-shadow:0 8px 18px rgba(92,62,35,.12);
    }
    .avatar:nth-child(1){background:linear-gradient(135deg,#f18a3d,#ffc078)}
    .avatar:nth-child(2){background:linear-gradient(135deg,#e96f69,#ffaaa5)}
    .avatar:nth-child(3){background:linear-gradient(135deg,#b9895d,#f2c28f)}
    .avatar:nth-child(4){background:linear-gradient(135deg,#8c6a4d,#d6a46e)}
    .avatar:nth-child(5){background:linear-gradient(135deg,#d46d36,#ffb26b)}
    .avatar:nth-child(6){background:linear-gradient(135deg,#c26663,#f7a29e)}
    .wall-note{width:100%;margin-top:8px;color:var(--muted);font-size:14px}
    .bubble-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .bubble-card{
      position:relative;
      padding:18px;
      border-radius:22px 22px 22px 8px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      color:var(--muted);
    }
    .bubble-card:nth-child(2),
    .bubble-card:nth-child(3){
      background:#fff3ee;
      border-color:#f2c7bf;
    }
    .bubble-card strong{
      display:block;
      color:var(--ink);
      margin-bottom:5px;
    }
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid var(--border);
      border-radius:20px !important;
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .accordion-button{
      border-radius:20px !important;
      background:#fff;
      color:var(--ink);
      font-weight:900;
      padding:18px 20px;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      background:#fff0df;
      color:var(--primary-dark);
    }
    .accordion-button:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 .2rem rgba(241,138,61,.18) !important;
    }
    .accordion-button::after{
      filter:sepia(1) saturate(1.8) hue-rotate(340deg);
    }
    .accordion-body{
      color:var(--muted);
      padding:0 20px 18px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:28px;
      background:linear-gradient(135deg,#352c27,#4a3329);
      color:#fff;
      box-shadow:var(--shadow-lg);
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      right:-48px;
      top:-70px;
      width:190px;
      height:190px;
      border-radius:50%;
      background:rgba(241,138,61,.24);
    }
    .cta-panel h2{font-weight:900;margin:0 0 8px}
    .cta-panel p{color:#ecd6c3;margin:0}
    .site-footer{
      margin-top:42px;
      border-radius:30px 30px 0 0;
      background:var(--footer);
      color:#fff;
      overflow:hidden;
      box-shadow:0 -18px 46px rgba(92,62,35,.12);
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:24px;
      padding:30px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      font-size:18px;
      color:#fff;
    }
    .footer-brand:hover{color:#ffd7b7}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-content:flex-start;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:8px 12px;
      border-radius:999px;
      color:#ead8ca;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      font-weight:800;
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      background:rgba(241,138,61,.22);
      border-color:rgba(241,138,61,.42);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding:16px 30px;
      color:#d8c9bc;
      font-size:13px;
    }
    .sticky-conversion-bar{
      position:fixed;
      left:calc(var(--sidebar) + 28px);
      right:28px;
      bottom:18px;
      z-index:1020;
      width:min(calc(100% - var(--sidebar) - 56px),1280px);
      margin:0 auto;
      padding:12px 14px 12px 18px;
      border-radius:24px;
      background:rgba(255,250,243,.94);
      backdrop-filter:blur(16px);
      border:1px solid var(--border-strong);
      box-shadow:0 20px 55px rgba(92,62,35,.20);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .sticky-conversion-bar strong{display:block;line-height:1.35}
    .sticky-conversion-bar span{color:var(--muted);font-size:13px}
    @media (max-width:1199.98px){
      :root{--sidebar:96px}
      .desktop-shell{width:var(--sidebar);padding:14px 10px}
      .brand-card{justify-content:center;padding:12px 8px}
      .brand-text,.brand-sub,.side-link span,.trust-chip span,.trust-chip strong{display:none}
      .side-link{justify-content:center;padding:12px 8px}
      .side-link i{font-size:22px}
      .trust-chip{padding:12px;display:flex;justify-content:center}
      .main-wrap{margin-left:var(--sidebar);padding:24px 22px 0}
      .sticky-conversion-bar{left:calc(var(--sidebar) + 22px);right:22px;width:calc(100% - var(--sidebar) - 44px)}
      .progress-board{grid-template-columns:1fr}
      .progress-ring-card{flex-direction:row;text-align:left;gap:14px}
      .progress-ring{width:96px;height:96px;margin-bottom:0}
      .progress-ring span{width:68px;height:68px;font-size:20px}
    }
    @media (max-width:991.98px){
      body{padding-bottom:88px}
      .desktop-shell{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
      .main-wrap{margin-left:0;padding:18px 16px 0}
      .page-hero{padding:24px}
      .map-grid,.scenario-card,.bubble-zone{grid-template-columns:1fr}
      .card-stack{grid-template-columns:1fr 1fr}
      .info-card,.info-card.wide,.info-card.mid{grid-column:span 1}
      .step-row{grid-template-columns:1fr 1fr}
      .step-item:nth-child(2){border-right:0}
      .step-item{border-bottom:1px dashed var(--border-strong)}
      .step-item:nth-child(3),.step-item:nth-child(4){border-bottom:0}
      .sticky-conversion-bar{
        left:16px;
        right:16px;
        width:auto;
        bottom:14px;
      }
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:767.98px){
      .hero-title{font-size:30px}
      .hero-summary{font-size:15.5px}
      .section{margin:28px 0}
      .section-head{display:block}
      .section-head p{margin-top:8px}
      .page-hero,.scenario-board,.cta-panel{border-radius:24px;padding:20px}
      .progress-ring-card{align-items:center}
      .tier-card{align-items:flex-start}
      .card-stack,.bubble-grid{grid-template-columns:1fr}
      .step-row{grid-template-columns:1fr}
      .step-item,.step-item:nth-child(2),.step-item:nth-child(3){
        border-right:0;
        border-bottom:1px dashed var(--border-strong);
      }
      .step-item:last-child{border-bottom:0}
      .step-item:after{display:none}
      .table-responsive{border-radius:20px}
      .sticky-conversion-bar{
        min-height:60px;
        padding:9px 10px 9px 14px;
        border-radius:20px;
      }
      .sticky-conversion-bar span{display:none}
      .sticky-conversion-bar .btn{padding:9px 13px;white-space:nowrap}
      .footer-top,.footer-bottom{padding-left:20px;padding-right:20px}
    }
    @media (max-width:520px){
      .mobile-topbar .brand-sub{display:none}
      .brand-text{font-size:14px}
      .hero-actions .btn{width:100%;justify-content:center}
      .progress-ring-card{flex-direction:column;text-align:center}
      .tier-card{display:block}
      .status-dot{margin-top:10px}
      .warm-card{padding:19px}
      .nav-pills{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}
      .nav-pills .nav-link{white-space:nowrap}
    }