/* roulang page: index */
:root{
      --bg:#f7f4ef;
      --bg-soft:#fffaf3;
      --surface:#ffffff;
      --surface-warm:#fffcf7;
      --text:#171411;
      --muted:#6b635a;
      --muted-2:#8a8176;
      --line:rgba(23,20,17,.1);
      --line-strong:rgba(200,107,44,.34);
      --primary:#c86b2c;
      --primary-dark:#a94f1c;
      --primary-soft:#f6e4d3;
      --dark:#171411;
      --dark-2:#211c18;
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(29,24,18,.08);
      --shadow-hover:0 24px 70px rgba(29,24,18,.13);
      --container:1200px;
      --nav-h:78px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 4%, rgba(224,145,69,.16), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(200,107,44,.1), transparent 30%),
        var(--bg);
      line-height:1.75;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(200,107,44,.22)}
    .container{max-width:var(--container)}
    .section{padding:104px 0}
    .section-tight{padding:78px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      color:#6d3b1a;
      background:var(--primary-soft);
      font-size:13px;
      font-weight:750;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:99px;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(200,107,44,.12);
    }
    .section-title{
      margin:18px 0 14px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.16;
      font-weight:820;
      letter-spacing:-.04em;
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .btn{
      border-radius:999px;
      padding:12px 24px;
      font-weight:760;
      border-width:1px;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
    }
    .btn:focus-visible,.nav-link:focus-visible,.form-control:focus,.accordion-button:focus{
      outline:3px solid rgba(200,107,44,.28);
      outline-offset:3px;
      box-shadow:none;
    }
    .btn-primary-custom{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
      box-shadow:0 12px 28px rgba(200,107,44,.22);
    }
    .btn-primary-custom:hover,.btn-primary-custom:active{
      color:#fff;
      background:var(--primary-dark);
      border-color:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 36px rgba(200,107,44,.28);
    }
    .btn-secondary-custom{
      color:var(--text);
      background:rgba(255,255,255,.64);
      border-color:rgba(23,20,17,.16);
    }
    .btn-secondary-custom:hover{
      color:var(--text);
      background:#fff5ea;
      border-color:rgba(200,107,44,.36);
      transform:translateY(-2px);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border-radius:999px;
      background:#f2eee7;
      color:#544c44;
      font-size:13px;
      font-weight:700;
      line-height:1;
      white-space:nowrap;
    }
    .tag.hot{background:var(--primary-soft);color:#723b16}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      min-height:var(--nav-h);
      background:rgba(250,248,244,.92);
      border-bottom:1px solid var(--line);
      backdrop-filter:saturate(150%) blur(14px);
    }
    .navbar{
      min-height:var(--nav-h);
      padding:0;
    }
    .navbar-shell{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      width:100%;
      gap:22px;
    }
    .nav-side{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-side.left{justify-content:flex-start}
    .nav-side.right{justify-content:flex-end}
    .brand-logo{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-width:270px;
      padding:10px 18px;
      border-radius:999px;
      font-size:20px;
      font-weight:850;
      letter-spacing:-.04em;
      color:var(--text);
      background:#fff9f1;
      border:1px solid rgba(23,20,17,.08);
      box-shadow:0 10px 30px rgba(29,24,18,.05);
    }
    .brand-mark{
      width:30px;
      height:30px;
      border-radius:10px;
      background:linear-gradient(135deg,var(--primary),#e2a15c);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:12px;
      top:8px;
      width:0;
      height:0;
      border-left:8px solid #fff;
      border-top:6px solid transparent;
      border-bottom:6px solid transparent;
    }
    .nav-link{
      position:relative;
      color:#403a34;
      font-size:15px;
      font-weight:760;
      padding:9px 13px!important;
      border-radius:999px;
    }
    .nav-link:hover{
      color:var(--primary-dark);
      background:rgba(200,107,44,.08);
    }
    .nav-link.active{
      color:#fff!important;
      background:var(--dark);
    }
    .navbar-toggler{
      border:1px solid rgba(23,20,17,.14);
      border-radius:14px;
      padding:9px 11px;
      background:#fffaf4;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(200,107,44,.18)}
    .navbar-toggler-icon{
      width:22px;
      height:22px;
      background-image:none;
      position:relative;
    }
    .navbar-toggler-icon::before,.navbar-toggler-icon::after,.navbar-toggler-icon span{
      content:"";
      position:absolute;
      left:2px;
      right:2px;
      height:2px;
      border-radius:99px;
      background:var(--text);
    }
    .navbar-toggler-icon::before{top:5px}
    .navbar-toggler-icon span{top:10px}
    .navbar-toggler-icon::after{top:15px}

    .hero{
      padding:74px 0 70px;
      overflow:hidden;
    }
    .hero-stage{
      border:1px solid var(--line);
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,252,247,.94),rgba(255,246,235,.8)),
        radial-gradient(circle at 80% 10%,rgba(200,107,44,.18),transparent 36%);
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      padding:22px 8px 10px;
    }
    .hero h1{
      max-width:850px;
      margin:18px 0 20px;
      font-size:clamp(36px,5.4vw,64px);
      line-height:1.08;
      font-weight:880;
      letter-spacing:-.065em;
    }
    .hero-intro{
      max-width:760px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
      margin:0 0 28px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:28px;
    }
    .data-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:760px;
    }
    .data-pill{
      padding:15px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(23,20,17,.08);
    }
    .data-pill strong{
      display:block;
      font-size:21px;
      line-height:1.1;
      font-weight:850;
      color:var(--primary-dark);
    }
    .data-pill span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .choice-panel{
      display:grid;
      gap:14px;
    }
    .choice-card{
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(23,20,17,.1);
      box-shadow:0 14px 36px rgba(29,24,18,.06);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .choice-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
    }
    .choice-card.recommend{
      color:#fff;
      background:
        linear-gradient(145deg,#231d18,#14110e);
      border-color:rgba(255,255,255,.12);
      box-shadow:0 22px 60px rgba(23,20,17,.24);
      order:-1;
    }
    .choice-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:10px;
    }
    .choice-head h2,.choice-head h3{
      margin:0;
      font-size:20px;
      font-weight:820;
      letter-spacing:-.03em;
    }
    .choice-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .choice-card.recommend p{color:rgba(255,255,255,.72)}
    .choice-card.recommend .tag{background:rgba(255,255,255,.12);color:#ffd9bd}
    .mini-list{
      display:grid;
      gap:11px;
      margin-top:18px;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:inherit;
      font-size:14px;
    }
    .mini-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:99px;
      background:var(--primary);
      flex:0 0 auto;
    }

    .highlight-band{
      background:var(--dark);
      color:#fff;
      border-radius:32px;
      padding:36px;
      position:relative;
      overflow:hidden;
    }
    .highlight-band::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-90px;
      top:-100px;
      background:rgba(200,107,44,.28);
      filter:blur(2px);
    }
    .highlight-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .highlight-grid h2{
      margin:0;
      font-size:clamp(28px,3.5vw,42px);
      font-weight:850;
      letter-spacing:-.04em;
      line-height:1.18;
    }
    .highlight-grid p{
      margin:12px 0 0;
      color:rgba(255,255,255,.68);
      font-size:16px;
    }
    .feature-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .feature-cell{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .22s ease,background .22s ease;
    }
    .feature-cell:hover{transform:translateY(-4px);background:rgba(255,255,255,.12)}
    .feature-cell b{
      display:block;
      font-size:18px;
      margin-bottom:7px;
      color:#fff;
    }
    .feature-cell span{color:rgba(255,255,255,.65);font-size:14px}

    .material-layout{
      display:grid;
      grid-template-columns:360px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .number-card{
      position:sticky;
      top:104px;
      padding:34px;
      border-radius:28px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .number-card .big-num{
      font-size:78px;
      line-height:1;
      font-weight:900;
      color:rgba(200,107,44,.24);
      letter-spacing:-.06em;
    }
    .number-card h2{
      margin:10px 0 12px;
      font-size:31px;
      line-height:1.16;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .material-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .info-card{
      padding:28px;
      border-radius:var(--radius);
      background:var(--surface-warm);
      border:1px solid var(--line);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
      height:100%;
    }
    .info-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
    }
    .icon-dot{
      width:42px;
      height:42px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--primary-soft),#fff4e8);
      border:1px solid rgba(200,107,44,.18);
      position:relative;
      margin-bottom:16px;
    }
    .icon-dot::after{
      content:"";
      position:absolute;
      inset:13px;
      border:2px solid var(--primary);
      border-radius:8px;
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:21px;
      font-weight:820;
      letter-spacing:-.03em;
    }
    .info-card p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:15px;
    }

    .topic-wrap{
      background:#fffaf4;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .topic-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      margin-top:30px;
    }
    .topic-card{
      min-height:220px;
      padding:30px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 40px rgba(29,24,18,.05);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:var(--line-strong);
    }
    .topic-card.featured{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(255,244,232,.9));
    }
    .topic-card h3{
      margin:14px 0 10px;
      font-size:25px;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .topic-card p{margin:0;color:var(--muted)}
    .topic-mini-grid{
      display:grid;
      grid-template-columns:1fr;
      gap:22px;
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:28px;
      margin-top:32px;
    }
    .news-list{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:28px;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .news-item{
      display:grid;
      grid-template-columns:140px 1fr auto;
      gap:18px;
      padding:22px 24px;
      border-bottom:1px solid var(--line);
      align-items:center;
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      color:var(--primary-dark);
      font-weight:850;
      font-size:14px;
      letter-spacing:.02em;
    }
    .news-item a{
      font-size:18px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .news-item a:hover{color:var(--primary-dark)}
    .news-item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .news-arrow{
      width:36px;
      height:36px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:#f4eee7;
      color:var(--primary-dark);
      font-weight:900;
    }
    .recommend-box{
      padding:28px;
      border-radius:28px;
      background:var(--dark);
      color:#fff;
      position:sticky;
      top:104px;
    }
    .recommend-box h3{
      margin:0 0 12px;
      font-size:24px;
      font-weight:850;
    }
    .recommend-box p{color:rgba(255,255,255,.68);margin:0 0 18px}
    .recommend-box .line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:14px 0;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.78);
      font-size:14px;
    }

    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:32px;
    }
    .step-card{
      padding:26px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .step-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
    }
    .step-no{
      display:inline-grid;
      place-items:center;
      width:38px;
      height:38px;
      border-radius:14px;
      color:#fff;
      background:var(--primary);
      font-weight:850;
      margin-bottom:18px;
    }
    .step-card h3{font-size:19px;font-weight:820;margin:0 0 9px}
    .step-card p{margin:0;color:var(--muted);font-size:14px}

    .compare-card{
      border-radius:32px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      margin-top:34px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1.1fr 1fr 1fr;
      border-bottom:1px solid var(--line);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{
      padding:21px 24px;
      border-right:1px solid var(--line);
      color:var(--muted);
    }
    .compare-cell:last-child{border-right:0}
    .compare-row.head .compare-cell{
      color:var(--text);
      font-weight:850;
      background:#fff8ef;
    }
    .compare-cell strong{color:var(--primary-dark)}

    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:34px;
    }
    .plan-card{
      padding:30px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .plan-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
    }
    .plan-card.emphasis{
      color:#fff;
      background:linear-gradient(145deg,#211c18,#15110e);
      border-color:rgba(255,255,255,.12);
    }
    .plan-card h3{margin:18px 0 8px;font-size:22px;font-weight:850}
    .plan-card p{color:var(--muted);margin:0 0 18px}
    .plan-card.emphasis p{color:rgba(255,255,255,.7)}
    .plan-label{
      font-size:14px;
      color:var(--primary-dark);
      font-weight:850;
    }
    .plan-card.emphasis .plan-label{color:#ffc596}
    .plan-list{
      padding:0;
      margin:18px 0 0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .plan-list li{
      color:inherit;
      font-size:14px;
      padding-left:18px;
      position:relative;
    }
    .plan-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:10px;
      width:7px;
      height:7px;
      border-radius:99px;
      background:var(--primary);
    }

    .feedback-wall{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      margin-top:34px;
    }
    .feedback-lead{
      padding:32px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .feedback-lead h3{font-size:28px;font-weight:850;margin:0 0 12px}
    .feedback-lead p{margin:0;color:var(--muted)}
    .quote-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .quote-card{
      padding:24px;
      border-radius:24px;
      background:#fffaf4;
      border:1px solid var(--line);
      transition:transform .22s ease,border-color .22s ease;
    }
    .quote-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
    .quote-card b{display:block;margin-bottom:8px;font-size:18px}
    .quote-card p{margin:0 0 14px;color:var(--muted);font-size:14px}

    .accordion{
      margin-top:34px;
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:none;
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:820;
      color:var(--text);
      background:#fff;
      border:0;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:#fff3e6;
      box-shadow:inset 4px 0 0 var(--primary)!important;
    }
    .accordion-button::after{
      filter:sepia(1) saturate(2) hue-rotate(340deg);
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }

    .join-card{
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(23,20,17,.96),rgba(35,29,24,.96)),
        radial-gradient(circle at 20% 20%,rgba(200,107,44,.34),transparent 36%);
      color:#fff;
      padding:42px;
      overflow:hidden;
      position:relative;
    }
    .join-card::after{
      content:"";
      position:absolute;
      right:36px;
      bottom:30px;
      width:190px;
      height:120px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:28px;
      transform:rotate(-6deg);
    }
    .join-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .join-card h2{
      margin:0 0 12px;
      font-size:clamp(30px,4vw,46px);
      line-height:1.12;
      font-weight:880;
      letter-spacing:-.05em;
    }
    .join-card p{
      max-width:720px;
      margin:0;
      color:rgba(255,255,255,.7);
      font-size:16px;
    }

    .site-footer{
      background:var(--dark);
      color:rgba(255,255,255,.68);
      padding:58px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:34px;
      margin-bottom:32px;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-size:20px;
      font-weight:850;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{width:28px;height:28px}
    .footer-title{
      color:#fff;
      font-weight:820;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .footer-links a:hover{color:#fff}
    .footer-note{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-size:14px;
      line-height:1.8;
    }
    .copyright{
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }

    @media (max-width:1199px){
      .brand-logo{min-width:230px;font-size:18px}
      .nav-link{padding:8px 10px!important}
      .hero-grid,.highlight-grid,.material-layout,.topic-grid,.news-layout,.feedback-wall{grid-template-columns:1fr}
      .number-card,.recommend-box{position:relative;top:auto}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .site-header{min-height:auto}
      .navbar{padding:13px 0;min-height:auto}
      .navbar-shell{
        display:flex;
        justify-content:space-between;
      }
      .brand-logo{
        min-width:auto;
        padding:9px 12px;
        font-size:17px;
      }
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:22px;
        background:#fffaf4;
        border:1px solid var(--line);
      }
      .nav-side{
        display:grid;
        justify-content:stretch!important;
        gap:8px;
      }
      .nav-link{padding:11px 13px!important}
      .section{padding:78px 0}
      .hero{padding:40px 0 56px}
      .hero-stage{padding:24px;border-radius:28px}
      .data-strip,.feature-matrix,.material-grid,.plans,.quote-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .join-inner{grid-template-columns:1fr}
    }
    @media (max-width:767px){
      .section{padding:62px 0}
      .section-tight{padding:54px 0}
      .hero h1{letter-spacing:-.045em}
      .hero-grid{grid-template-columns:1fr}
      .hero-actions .btn,.join-inner .btn{width:100%}
      .data-strip{grid-template-columns:1fr}
      .highlight-band,.join-card{padding:26px;border-radius:26px}
      .material-grid,.guide-grid{grid-template-columns:1fr}
      .news-item{
        grid-template-columns:1fr auto;
        gap:10px;
      }
      .news-date{grid-column:1/-1}
      .compare-row{
        grid-template-columns:1fr;
      }
      .compare-cell{
        border-right:0;
        border-bottom:1px solid var(--line);
      }
      .compare-cell:last-child{border-bottom:0}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .brand-logo span:last-child{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero-stage{padding:18px}
      .choice-card,.info-card,.topic-card,.step-card,.plan-card,.feedback-lead,.quote-card{padding:22px}
      .section-title{letter-spacing:-.035em}
    }

/* roulang page: category1 */
:root {
      --bg: #f7f4ef;
      --bg-soft: #fffcf7;
      --panel: #ffffff;
      --ink: #151515;
      --muted: #66615a;
      --muted-2: #8a8177;
      --line: rgba(20, 18, 15, .09);
      --line-strong: rgba(20, 18, 15, .18);
      --accent: #c86b2c;
      --accent-dark: #a94f1e;
      --accent-soft: #f5dfcf;
      --deep: #171411;
      --deep-2: #211c18;
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 32px;
      --shadow: 0 18px 50px rgba(35, 29, 23, .08);
      --shadow-hover: 0 26px 70px rgba(35, 29, 23, .14);
      --container: 1200px;
      --ease: 200ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(200, 107, 44, .10), transparent 30%),
        linear-gradient(180deg, #faf8f4 0%, var(--bg) 42%, #f1ece4 100%);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.78;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease);
    }

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

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

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

    .container {
      max-width: var(--container);
      padding-left: 22px;
      padding-right: 22px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(250, 248, 244, .94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(10px);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar-shell {
      width: 100%;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 24px;
    }

    .nav-side {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-side.left {
      justify-content: flex-start;
    }

    .nav-side.right {
      justify-content: flex-end;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      color: var(--ink);
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      display: inline-flex;
      position: relative;
      flex: 0 0 auto;
      border-radius: 10px;
      background: var(--deep);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      left: 11px;
      top: 8px;
      width: 0;
      height: 0;
      border-left: 10px solid var(--accent);
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      right: 6px;
      bottom: 6px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: #fff2e6;
      opacity: .9;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 8px 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 15px;
      font-weight: 700;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--ink);
      background: rgba(200, 107, 44, .09);
    }

    .nav-link.active {
      color: var(--accent-dark);
      background: var(--accent-soft);
    }

    .navbar-toggler {
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      padding: 10px 12px;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(200, 107, 44, .18);
    }

    .navbar-toggler-icon {
      width: 24px;
      height: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: none;
      position: relative;
    }

    .navbar-toggler-icon span,
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
      content: "";
      position: absolute;
      width: 22px;
      height: 2px;
      border-radius: 99px;
      background: var(--deep);
      transition: transform var(--ease), opacity var(--ease);
    }

    .navbar-toggler-icon::before {
      transform: translateY(-7px);
    }

    .navbar-toggler-icon::after {
      transform: translateY(7px);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 96px 0;
    }

    .section-tight {
      padding: 70px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--accent-dark);
      background: rgba(200, 107, 44, .11);
      border: 1px solid rgba(200, 107, 44, .16);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
    }

    .section-title {
      margin: 0;
      color: var(--ink);
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.16;
      font-weight: 800;
      letter-spacing: -.04em;
    }

    .section-copy {
      max-width: 710px;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 17px;
    }

    .btn {
      border-radius: 999px;
      padding: 12px 24px;
      font-weight: 800;
      transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .btn-primary-custom {
      color: #fff;
      background: var(--accent);
      border: 1px solid var(--accent);
      box-shadow: 0 12px 26px rgba(200, 107, 44, .22);
    }

    .btn-primary-custom:hover,
    .btn-primary-custom:focus {
      color: #fff;
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(200, 107, 44, .28);
    }

    .btn-outline-custom {
      color: var(--ink);
      background: transparent;
      border: 1px solid var(--line-strong);
    }

    .btn-outline-custom:hover,
    .btn-outline-custom:focus {
      color: var(--ink);
      background: #fff6ec;
      border-color: rgba(200, 107, 44, .38);
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    .form-control:focus,
    .form-select:focus {
      outline: none;
      box-shadow: 0 0 0 4px rgba(200, 107, 44, .18);
      border-color: var(--accent);
    }

    .page-hero {
      padding: 40px 0 82px;
    }

    .breadcrumb-wrap {
      display: inline-flex;
      max-width: 100%;
      margin-bottom: 28px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 252, 247, .78);
    }

    .breadcrumb {
      margin: 0;
      font-size: 14px;
      font-weight: 700;
    }

    .breadcrumb-item a {
      color: var(--muted);
    }

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

    .breadcrumb-item.active {
      color: var(--ink);
    }

    .breadcrumb-item + .breadcrumb-item::before {
      color: var(--muted-2);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
      gap: 32px;
      align-items: stretch;
    }

    .hero-panel {
      min-height: 100%;
      padding: clamp(30px, 4.5vw, 56px);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .82), rgba(255, 252, 247, .96)),
        radial-gradient(circle at 92% 16%, rgba(200, 107, 44, .14), transparent 30%);
      box-shadow: var(--shadow);
    }

    .hero-panel h1 {
      max-width: 820px;
      margin: 0;
      font-size: clamp(34px, 6vw, 58px);
      line-height: 1.08;
      font-weight: 850;
      letter-spacing: -.055em;
    }

    .hero-panel p {
      max-width: 760px;
      margin: 22px 0 0;
      color: var(--muted);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .group-card {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 100%;
      padding: 30px;
      color: #fff;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 15% 10%, rgba(224, 145, 69, .32), transparent 34%),
        linear-gradient(145deg, var(--deep), var(--deep-2));
      box-shadow: 0 24px 70px rgba(23, 20, 17, .20);
      overflow: hidden;
    }

    .group-card::after {
      content: "";
      position: absolute;
      right: -34px;
      top: -34px;
      width: 150px;
      height: 150px;
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 42px;
      transform: rotate(12deg);
    }

    .group-card h2 {
      position: relative;
      margin: 0;
      font-size: 24px;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .group-card p {
      position: relative;
      margin: 14px 0 0;
      color: rgba(255, 255, 255, .70);
    }

    .group-meter {
      position: relative;
      margin: 28px 0;
      padding: 18px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .meter-line {
      height: 9px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255, 255, 255, .14);
    }

    .meter-line span {
      display: block;
      width: 76%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #e09145, #ffd0a4);
    }

    .group-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-top: 12px;
      color: rgba(255, 255, 255, .74);
      font-size: 14px;
      font-weight: 700;
    }

    .group-actions {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .group-actions .btn {
      padding-left: 14px;
      padding-right: 14px;
    }

    .btn-light-warm {
      color: var(--deep);
      background: #ffe0c2;
      border: 1px solid #ffe0c2;
    }

    .btn-light-warm:hover {
      color: var(--deep);
      background: #ffc98f;
      border-color: #ffc98f;
      transform: translateY(-2px);
    }

    .btn-ghost-dark {
      color: #fff;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, .26);
    }

    .btn-ghost-dark:hover {
      color: #fff;
      background: rgba(255, 255, 255, .10);
      transform: translateY(-2px);
    }

    .filter-strip {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 252, 247, .82);
      box-shadow: 0 12px 36px rgba(35, 29, 23, .05);
    }

    .filter-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(4, auto);
      gap: 10px;
      align-items: center;
    }

    .search-box {
      position: relative;
    }

    .search-box input {
      width: 100%;
      min-height: 48px;
      padding: 12px 18px 12px 44px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--ink);
      background: #fff;
    }

    .search-box::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 50%;
      width: 13px;
      height: 13px;
      border: 2px solid var(--muted-2);
      border-radius: 50%;
      transform: translateY(-55%);
      z-index: 1;
    }

    .search-box::after {
      content: "";
      position: absolute;
      left: 30px;
      top: 30px;
      width: 8px;
      height: 2px;
      border-radius: 99px;
      background: var(--muted-2);
      transform: rotate(45deg);
      z-index: 1;
    }

    .filter-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 10px 17px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      background: #fff;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
      cursor: default;
    }

    .filter-chip.is-active {
      color: var(--accent-dark);
      background: var(--accent-soft);
      border-color: rgba(200, 107, 44, .22);
    }

    .index-layout {
      display: grid;
      grid-template-columns: 310px minmax(0, 1fr);
      gap: 28px;
      margin-top: 30px;
      align-items: start;
    }

    .side-note {
      position: sticky;
      top: 104px;
      padding: 26px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .side-note h2 {
      margin: 0 0 14px;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .side-note p {
      margin: 0;
      color: var(--muted);
    }

    .note-list {
      display: grid;
      gap: 12px;
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
    }

    .note-list li {
      display: flex;
      gap: 10px;
      padding-top: 12px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 15px;
    }

    .note-list b {
      color: var(--accent-dark);
      font-weight: 850;
    }

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

    .index-card {
      position: relative;
      min-height: 260px;
      padding: 30px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: 0 10px 32px rgba(35, 29, 23, .05);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
    }

    .index-card:hover {
      transform: translateY(-4px);
      border-color: rgba(200, 107, 44, .30);
      box-shadow: var(--shadow-hover);
    }

    .index-card.featured {
      grid-column: span 2;
      min-height: 300px;
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 24px;
      background:
        radial-gradient(circle at 100% 0%, rgba(200, 107, 44, .15), transparent 34%),
        #fffaf3;
    }

    .card-kicker {
      display: inline-flex;
      align-items: center;
      margin-bottom: 16px;
      padding: 6px 11px;
      border-radius: 999px;
      color: var(--accent-dark);
      background: rgba(200, 107, 44, .10);
      font-size: 13px;
      font-weight: 850;
    }

    .index-card h3 {
      margin: 0;
      font-size: 22px;
      line-height: 1.28;
      font-weight: 820;
      letter-spacing: -.035em;
    }

    .index-card p {
      margin: 14px 0 0;
      color: var(--muted);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 20px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: #f3eee6;
      font-size: 13px;
      font-weight: 800;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 24px;
      color: var(--accent-dark);
      font-weight: 850;
    }

    .card-link::after {
      content: "→";
      transition: transform var(--ease);
    }

    .index-card:hover .card-link::after {
      transform: translateX(4px);
    }

    .visual-stack {
      display: grid;
      align-content: center;
      gap: 12px;
    }

    .visual-pill {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .visual-pill span:last-child {
      color: var(--accent-dark);
    }

    .steps-section {
      background: var(--deep);
      color: #fff;
    }

    .steps-section .section-title {
      color: #fff;
    }

    .steps-section .section-copy {
      color: rgba(255, 255, 255, .66);
    }

    .step-flow {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 34px;
    }

    .step-item {
      position: relative;
      padding: 26px;
      border: 1px solid rgba(255, 255, 255, .10);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
      transition: transform var(--ease), background var(--ease), border-color var(--ease);
    }

    .step-item:hover {
      transform: translateY(-4px);
      background: rgba(255, 255, 255, .08);
      border-color: rgba(224, 145, 69, .42);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      margin-bottom: 18px;
      border-radius: 50%;
      color: var(--deep);
      background: #ffd4ad;
      font-weight: 900;
    }

    .step-item h3 {
      margin: 0;
      font-size: 19px;
      font-weight: 820;
    }

    .step-item p {
      margin: 10px 0 0;
      color: rgba(255, 255, 255, .67);
      font-size: 15px;
    }

    .info-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: stretch;
    }

    .warm-box {
      padding: 30px;
      border-left: 5px solid var(--accent);
      border-radius: var(--radius);
      background: #fff3e7;
      box-shadow: 0 14px 38px rgba(35, 29, 23, .06);
    }

    .warm-box h2,
    .feedback-card h2 {
      margin: 0;
      font-size: 28px;
      font-weight: 850;
      letter-spacing: -.04em;
    }

    .warm-box p,
    .feedback-card p {
      margin: 14px 0 0;
      color: var(--muted);
    }

    .rule-list {
      display: grid;
      gap: 12px;
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
    }

    .rule-list li {
      display: flex;
      gap: 12px;
      padding: 14px 0;
      border-top: 1px solid rgba(20, 18, 15, .08);
      color: var(--muted);
    }

    .rule-list strong {
      min-width: 74px;
      color: var(--ink);
    }

    .feedback-card {
      padding: 30px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .feedback-form {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .form-control,
    .form-select {
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 13px 15px;
      color: var(--ink);
      background-color: #fff;
    }

    textarea.form-control {
      min-height: 116px;
      resize: vertical;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 34px auto 0;
    }

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

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 18px !important;
      background: var(--panel);
      overflow: hidden;
      box-shadow: 0 10px 28px rgba(35, 29, 23, .04);
    }

    .accordion-button {
      padding: 20px 22px;
      color: var(--ink);
      background: var(--panel);
      font-weight: 850;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: var(--accent-dark);
      background: #fff3e8;
      box-shadow: inset 4px 0 0 var(--accent);
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 4px rgba(200, 107, 44, .15);
    }

    .accordion-button::after {
      filter: sepia(1) saturate(2) hue-rotate(335deg);
    }

    .accordion-body {
      padding: 0 22px 22px 26px;
      color: var(--muted);
    }

    .bottom-cta {
      padding: 44px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        radial-gradient(circle at 18% 18%, rgba(224, 145, 69, .26), transparent 30%),
        linear-gradient(135deg, var(--deep), #2a211a);
      box-shadow: 0 26px 70px rgba(23, 20, 17, .20);
    }

    .bottom-cta-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .bottom-cta h2 {
      margin: 0;
      font-size: clamp(26px, 4vw, 40px);
      line-height: 1.16;
      font-weight: 850;
      letter-spacing: -.045em;
    }

    .bottom-cta p {
      max-width: 690px;
      margin: 14px 0 0;
      color: rgba(255, 255, 255, .68);
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 72px 0 28px;
      color: rgba(255, 255, 255, .66);
      background: var(--deep);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .75fr 1fr;
      gap: 44px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      color: #fff;
      font-size: 20px;
      font-weight: 850;
    }

    .footer-title {
      margin-bottom: 15px;
      color: #fff;
      font-weight: 850;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-links a:hover {
      color: #ffd4ad;
    }

    .footer-note {
      padding: 16px;
      border: 1px solid rgba(255, 255, 255, .10);
      border-radius: 18px;
      background: rgba(255, 255, 255, .055);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 24px;
      color: rgba(255, 255, 255, .52);
      font-size: 14px;
    }

    @media (max-width: 1199.98px) {
      .navbar-shell {
        gap: 18px;
      }

      .nav-link {
        padding-left: 12px;
        padding-right: 12px;
      }

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

      .side-note {
        position: static;
      }
    }

    @media (max-width: 991.98px) {
      .navbar {
        min-height: 70px;
      }

      .site-header .container > .navbar-shell {
        display: flex;
        justify-content: space-between;
      }

      .navbar-collapse {
        width: 100%;
        margin-top: 14px;
        padding: 12px 0 18px;
        border-top: 1px solid var(--line);
      }

      .navbar-collapse .navbar-shell {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .nav-side,
      .nav-side.left,
      .nav-side.right {
        justify-content: flex-start;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
        min-height: 46px;
      }

      .page-hero {
        padding-top: 28px;
      }

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

      .search-box {
        grid-column: span 2;
      }

      .index-layout {
        grid-template-columns: 1fr;
      }

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

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

      .footer-grid > div:first-child {
        grid-column: span 2;
      }

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

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 767.98px) {
      .container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .section,
      .section-tight {
        padding: 62px 0;
      }

      .hero-panel,
      .group-card,
      .bottom-cta {
        border-radius: 26px;
      }

      .hero-actions,
      .group-actions,
      .cta-actions {
        grid-template-columns: 1fr;
        flex-direction: column;
      }

      .hero-actions .btn,
      .group-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }

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

      .search-box {
        grid-column: auto;
      }

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

      .index-card.featured {
        grid-column: auto;
        grid-template-columns: 1fr;
      }

      .step-flow {
        grid-template-columns: 1fr;
      }

      .rule-list li {
        flex-direction: column;
        gap: 4px;
      }

      .footer-grid,
      .footer-grid > div:first-child {
        grid-template-columns: 1fr;
        grid-column: auto;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-logo {
        font-size: 17px;
      }

      .brand-mark {
        width: 28px;
        height: 28px;
        border-radius: 9px;
      }

      .breadcrumb-wrap {
        width: 100%;
        border-radius: 18px;
      }

      .hero-panel,
      .group-card,
      .index-card,
      .warm-box,
      .feedback-card,
      .bottom-cta {
        padding: 24px;
      }

      .hero-panel h1 {
        font-size: 34px;
      }

      .filter-chip {
        width: 100%;
      }
    }