/* roulang page: index */
:root{
      --color-primary:#4A2638;
      --color-primary-dark:#371B2A;
      --color-accent:#D86F5D;
      --color-accent-soft:#F3C9BE;
      --color-paper:#F8F3EE;
      --color-sand:#EFE4DA;
      --color-ink:#202020;
      --color-muted:#6F6560;
      --color-moss:#68736A;
      --color-white:#FFFDF9;
      --border:rgba(74,38,56,.14);
      --border-strong:rgba(216,111,93,.36);
      --shadow:0 18px 45px rgba(74,38,56,.10);
      --shadow-hover:0 22px 58px rgba(74,38,56,.16);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --ease:all .24s ease;
    }

    *{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(--color-ink);
      background:
        radial-gradient(circle at 8% 8%,rgba(216,111,93,.10),transparent 28%),
        radial-gradient(circle at 88% 2%,rgba(74,38,56,.09),transparent 30%),
        var(--color-paper);
      line-height:1.85;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(216,111,93,.25);color:var(--color-primary)}
    .site-container{
      width:min(calc(100% - 36px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 13px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--color-primary);
      background:rgba(255,253,249,.74);
      font-size:14px;
      font-weight:700;
      line-height:1.4;
      box-shadow:0 8px 24px rgba(74,38,56,.06);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(216,111,93,.13);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,52px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--color-primary);
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(28px,3.4vw,38px);
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:800;
      color:var(--color-primary);
      margin-bottom:16px;
    }
    h3{
      font-size:23px;
      line-height:1.35;
      font-weight:750;
      color:var(--color-ink);
      margin-bottom:10px;
    }
    p{
      font-size:16.5px;
      color:var(--color-muted);
      margin-bottom:.85em;
    }
    .lead{
      font-size:18px;
      line-height:1.9;
      color:var(--color-muted);
      max-width:760px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head .lead{margin-bottom:0}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(248,243,238,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(74,38,56,.10);
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(248,243,238,.98);
      box-shadow:0 12px 35px rgba(74,38,56,.10);
    }
    .brand-row{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      border-bottom:1px solid rgba(74,38,56,.08);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        linear-gradient(135deg,var(--color-primary),#6A4054 58%,var(--color-accent));
      position:relative;
      box-shadow:0 12px 25px rgba(74,38,56,.18);
      flex:0 0 auto;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      left:10px;
      right:10px;
      height:3px;
      border-radius:999px;
      background:rgba(255,253,249,.88);
    }
    .brand-mark::before{top:14px}
    .brand-mark::after{top:24px;width:15px;right:auto}
    .brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
    .brand-name{
      color:var(--color-primary);
      font-weight:850;
      font-size:17px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:370px;
    }
    .brand-sub{
      color:var(--color-muted);
      font-size:12px;
      margin-top:3px;
      white-space:nowrap;
    }
    .brand-position{
      color:var(--color-moss);
      font-size:14px;
      font-weight:650;
      padding-left:18px;
      border-left:1px solid var(--border);
      flex:1;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      width:275px;
      height:42px;
      border-radius:999px;
      border:1px solid rgba(74,38,56,.10);
      background:var(--color-sand);
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      color:var(--color-muted);
    }
    .search-box span{font-size:15px}
    .search-box input{
      border:0;
      outline:0;
      box-shadow:none;
      background:transparent;
      height:40px;
      margin:0;
      padding:0;
      color:var(--color-ink);
      font-size:14px;
    }
    .search-box input::placeholder{color:rgba(111,101,96,.78)}
    .nav-row{
      min-height:49px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .channel-nav{
      display:flex;
      align-items:center;
      gap:8px;
      list-style:none;
      margin:0;
      padding:0;
    }
    .channel-nav a{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 14px;
      border-radius:999px;
      color:var(--color-muted);
      font-weight:750;
      font-size:14px;
      border:1px solid transparent;
    }
    .channel-nav a:hover{
      color:var(--color-primary);
      background:rgba(239,228,218,.80);
      border-color:var(--border);
    }
    .channel-nav a.active{
      color:var(--color-primary);
      background:rgba(216,111,93,.14);
      border-color:rgba(216,111,93,.22);
    }
    .trend-strip{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--color-muted);
      font-size:13px;
      white-space:nowrap;
      overflow:hidden;
      max-width:520px;
    }
    .trend-label{font-weight:800;color:var(--color-primary)}
    .trend-tag{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,253,249,.70);
      border:1px solid rgba(74,38,56,.10);
      line-height:1.2;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      border:1px solid var(--border);
      background:var(--color-white);
      color:var(--color-primary);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      transition:var(--ease);
    }
    .menu-toggle i{
      width:18px;
      height:2px;
      border-radius:999px;
      background:currentColor;
      display:block;
    }
    .menu-toggle:hover,.menu-toggle:focus{
      border-color:var(--border-strong);
      box-shadow:0 0 0 4px rgba(216,111,93,.12);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-size:15px;
      font-weight:800;
      line-height:1;
      transition:var(--ease);
      gap:8px;
      text-align:center;
    }
    .btn-primary{
      background:var(--color-primary);
      color:var(--color-white);
      box-shadow:0 14px 28px rgba(74,38,56,.20);
    }
    .btn-primary:hover,.btn-primary:focus{
      background:var(--color-primary-dark);
      color:var(--color-white);
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(74,38,56,.26);
    }
    .btn-accent{
      background:var(--color-accent);
      color:var(--color-white);
      box-shadow:0 14px 28px rgba(216,111,93,.20);
    }
    .btn-accent:hover,.btn-accent:focus{
      background:#C95E4D;
      color:var(--color-white);
      transform:translateY(-2px);
    }
    .btn-secondary{
      background:rgba(255,253,249,.72);
      color:var(--color-primary);
      border-color:rgba(74,38,56,.25);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--color-sand);
      color:var(--color-primary);
      transform:translateY(-2px);
      border-color:rgba(216,111,93,.38);
    }
    .btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{
      outline:3px solid rgba(216,111,93,.34);
      outline-offset:3px;
    }

    .hero{
      padding:82px 0 54px;
      overflow:hidden;
    }
    .hero-grid{
      align-items:center;
    }
    .hero-copy{
      padding-right:22px;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin:30px 0 24px;
    }
    .trust-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .trust-points span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--color-muted);
      font-weight:700;
      font-size:14px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,253,249,.68);
      border:1px solid rgba(74,38,56,.10);
    }
    .trust-points span::before{
      content:"";
      width:6px;
      height:6px;
      background:var(--color-accent);
      border-radius:50%;
    }
    .hero-panel{
      position:relative;
      min-height:500px;
      border-radius:34px;
      border:1px solid rgba(74,38,56,.12);
      background:
        linear-gradient(150deg,rgba(255,253,249,.92),rgba(239,228,218,.86)),
        radial-gradient(circle at top right,rgba(216,111,93,.22),transparent 32%);
      box-shadow:var(--shadow);
      padding:26px;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      width:260px;height:260px;
      border-radius:50%;
      right:-86px;top:-92px;
      background:rgba(74,38,56,.08);
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:20px;
      border-radius:26px;
      border:1px dashed rgba(74,38,56,.16);
      pointer-events:none;
    }
    .panel-top{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:22px;
    }
    .panel-title{
      color:var(--color-primary);
      font-size:15px;
      font-weight:850;
    }
    .panel-status{
      color:var(--color-moss);
      font-size:13px;
      font-weight:800;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(104,115,106,.12);
    }
    .subtitle-card{
      position:relative;
      z-index:1;
      background:var(--color-primary);
      color:var(--color-white);
      border-radius:24px;
      padding:22px;
      margin-bottom:18px;
      box-shadow:0 18px 34px rgba(74,38,56,.20);
    }
    .subtitle-line{
      height:10px;
      border-radius:999px;
      background:rgba(255,253,249,.72);
      margin:10px 0;
    }
    .subtitle-line.short{width:62%}
    .subtitle-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .subtitle-meta span{
      font-size:12px;
      font-weight:800;
      padding:5px 9px;
      border-radius:999px;
      color:var(--color-primary);
      background:var(--color-accent-soft);
    }
    .stack-card{
      position:relative;
      z-index:1;
      background:rgba(255,253,249,.84);
      border:1px solid rgba(74,38,56,.12);
      border-radius:20px;
      padding:16px;
      margin:14px 0;
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      transition:var(--ease);
    }
    .stack-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:0 16px 30px rgba(74,38,56,.10);
    }
    .stack-icon{
      width:42px;height:42px;
      border-radius:15px;
      background:var(--color-sand);
      position:relative;
    }
    .stack-icon::before,.stack-icon::after{
      content:"";
      position:absolute;
      left:10px;
      right:10px;
      height:3px;
      border-radius:999px;
      background:var(--color-primary);
    }
    .stack-icon::before{top:14px}
    .stack-icon::after{top:24px;right:18px;background:var(--color-accent)}
    .stack-card strong{
      display:block;
      color:var(--color-ink);
      font-size:16px;
      line-height:1.35;
    }
    .stack-card small{
      display:block;
      color:var(--color-muted);
      font-size:13px;
      margin-top:3px;
      line-height:1.45;
    }
    .stack-badge{
      color:var(--color-primary);
      font-weight:850;
      font-size:13px;
      background:rgba(216,111,93,.13);
      border-radius:999px;
      padding:6px 9px;
    }
    .panel-metrics{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .metric-mini{
      border-radius:18px;
      background:rgba(239,228,218,.78);
      border:1px solid rgba(74,38,56,.10);
      padding:14px;
    }
    .metric-mini b{
      color:var(--color-primary);
      font-size:24px;
      line-height:1;
      display:block;
    }
    .metric-mini span{
      color:var(--color-muted);
      font-size:12px;
      font-weight:700;
    }

    .card{
      border:1px solid var(--border);
      background:rgba(255,253,249,.78);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 30px rgba(74,38,56,.07);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:var(--border-strong);
    }
    .intro-band{
      margin-top:40px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,var(--color-primary),#5B3347);
      color:var(--color-white);
      padding:28px;
      overflow:hidden;
      position:relative;
    }
    .intro-band::after{
      content:"";
      position:absolute;
      inset:auto -70px -120px auto;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(216,111,93,.18);
    }
    .intro-band h2,.intro-band p{color:var(--color-white)}
    .intro-band p{opacity:.78;margin-bottom:0}
    .channel-strip{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:18px;
      position:relative;
      z-index:1;
    }
    .channel-pill{
      display:inline-flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      min-height:50px;
      padding:0 18px;
      border-radius:999px;
      background:rgba(255,253,249,.10);
      border:1px solid rgba(255,253,249,.16);
      color:var(--color-white);
      font-weight:800;
    }
    .channel-pill:hover{
      color:var(--color-white);
      background:rgba(216,111,93,.28);
      transform:translateY(-2px);
    }

    .service-layout{
      display:grid;
      grid-template-columns:0.86fr 1.14fr;
      gap:34px;
      align-items:start;
    }
    .service-aside{
      position:sticky;
      top:138px;
      padding:30px;
      border-radius:var(--radius-xl);
      background:var(--color-sand);
      border:1px solid var(--border);
    }
    .service-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .service-card{
      padding:24px;
      min-height:232px;
      position:relative;
      overflow:hidden;
    }
    .service-card:nth-child(2),.service-card:nth-child(3){
      transform:translateY(22px);
    }
    .service-no{
      font-size:13px;
      font-weight:900;
      color:var(--color-accent);
      letter-spacing:.08em;
      margin-bottom:16px;
    }
    .service-tag{
      display:inline-flex;
      font-size:13px;
      font-weight:800;
      color:var(--color-primary);
      background:rgba(216,111,93,.13);
      border:1px solid rgba(216,111,93,.20);
      border-radius:999px;
      padding:5px 10px;
      margin-top:16px;
    }
    .service-icon{
      width:54px;height:54px;
      border-radius:19px;
      background:linear-gradient(135deg,rgba(74,38,56,.12),rgba(216,111,93,.18));
      margin-bottom:18px;
      position:relative;
    }
    .service-icon::before{
      content:"";
      position:absolute;
      left:14px;right:14px;top:17px;
      height:4px;border-radius:999px;background:var(--color-primary);
      box-shadow:0 10px 0 var(--color-accent);
    }

    .data-wall{
      background:var(--color-primary);
      color:var(--color-white);
      border-radius:34px;
      padding:38px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .data-wall::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 18% 10%,rgba(216,111,93,.20),transparent 28%),
        linear-gradient(90deg,rgba(255,253,249,.04) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,253,249,.04) 1px,transparent 1px);
      background-size:auto,42px 42px,42px 42px;
      pointer-events:none;
    }
    .data-wall .section-head{position:relative;z-index:1}
    .data-wall h2,.data-wall p{color:var(--color-white)}
    .data-wall p{opacity:.76}
    .stat-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .stat-card{
      background:rgba(255,253,249,.09);
      border:1px solid rgba(255,253,249,.14);
      border-radius:22px;
      padding:22px 16px;
    }
    .stat-number{
      display:flex;
      align-items:flex-end;
      gap:4px;
      color:var(--color-accent-soft);
      font-weight:900;
      line-height:1;
      margin-bottom:12px;
    }
    .stat-number b{font-size:38px}
    .stat-number small{font-size:15px;margin-bottom:4px}
    .stat-card span{
      display:block;
      color:rgba(255,253,249,.80);
      font-weight:700;
      font-size:14px;
      line-height:1.55;
    }

    .scenario-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .scenario-card{
      padding:24px;
      display:grid;
      grid-template-columns:110px 1fr;
      gap:20px;
      align-items:stretch;
    }
    .abstract-thumb{
      border-radius:22px;
      background:
        linear-gradient(145deg,rgba(74,38,56,.90),rgba(216,111,93,.76)),
        repeating-linear-gradient(0deg,rgba(255,255,255,.18) 0 2px,transparent 2px 12px);
      min-height:130px;
      position:relative;
      overflow:hidden;
    }
    .abstract-thumb::before{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      top:28px;
      height:8px;
      border-radius:999px;
      background:rgba(255,253,249,.78);
      box-shadow:0 22px 0 rgba(255,253,249,.45),0 44px 0 rgba(255,253,249,.30);
    }
    .tag-list{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:var(--color-sand);
      color:var(--color-primary);
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(74,38,56,.09);
    }
    .scenario-note{
      color:var(--color-moss);
      font-weight:750;
      font-size:14px;
      margin-top:10px;
    }

    .plan-section{
      background:linear-gradient(180deg,rgba(239,228,218,.64),rgba(248,243,238,0));
    }
    .plan-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
      align-items:stretch;
    }
    .plan-card{
      padding:28px;
      position:relative;
      display:flex;
      flex-direction:column;
      min-height:430px;
    }
    .plan-card.featured{
      transform:translateY(-18px);
      border-color:rgba(216,111,93,.44);
      box-shadow:0 24px 55px rgba(74,38,56,.15);
      background:linear-gradient(180deg,var(--color-white),#FFF7F0);
    }
    .recommend{
      position:absolute;
      right:22px;
      top:20px;
      border-radius:999px;
      background:var(--color-accent);
      color:var(--color-white);
      padding:5px 11px;
      font-size:12px;
      font-weight:900;
    }
    .plan-kicker{
      color:var(--color-accent);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
      margin-bottom:12px;
    }
    .plan-list{
      list-style:none;
      padding:0;
      margin:18px 0 22px;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      color:var(--color-muted);
      font-size:15px;
      line-height:1.65;
      padding:8px 0;
      border-bottom:1px solid rgba(74,38,56,.08);
    }
    .plan-list li::before{
      content:"";
      width:7px;height:7px;
      border-radius:50%;
      background:var(--color-accent);
      flex:0 0 auto;
      margin-top:10px;
    }
    .plan-card .btn{margin-top:auto}

    .insight-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:start;
    }
    .insight-card{
      padding:26px;
      background:var(--color-white);
    }
    .insight-card.large{
      min-height:360px;
      background:
        linear-gradient(145deg,rgba(255,253,249,.94),rgba(239,228,218,.84)),
        radial-gradient(circle at right bottom,rgba(216,111,93,.16),transparent 38%);
    }
    .media-quote{
      border-left:4px solid var(--color-accent);
      padding-left:18px;
      margin-top:22px;
      color:var(--color-primary);
      font-weight:800;
      line-height:1.75;
    }
    .article-list{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .article-item{
      padding:18px;
      border-radius:20px;
      background:rgba(255,253,249,.78);
      border:1px solid var(--border);
      transition:var(--ease);
    }
    .article-item:hover{
      border-color:var(--border-strong);
      transform:translateX(3px);
    }
    .article-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      color:var(--color-muted);
      font-size:13px;
      font-weight:700;
      margin-bottom:6px;
    }
    .article-item strong{
      display:block;
      color:var(--color-ink);
      font-size:17px;
      line-height:1.45;
      margin-bottom:5px;
    }
    .article-item p{
      font-size:14.5px;
      line-height:1.65;
      margin-bottom:0;
    }

    .faq-section{
      background:var(--color-sand);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .faq-item{
      background:var(--color-white);
      border:1px solid var(--border);
      border-radius:22px;
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item.is-open{
      border-color:rgba(216,111,93,.42);
      box-shadow:0 15px 34px rgba(74,38,56,.08);
    }
    .faq-question{
      width:100%;
      min-height:64px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      text-align:left;
      border:0;
      background:transparent;
      color:var(--color-primary);
      font-size:16px;
      font-weight:850;
      padding:18px 20px;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      background:rgba(216,111,93,.13);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item.is-open .faq-question span:last-child{
      background:var(--color-accent);
      color:var(--color-white);
      transform:rotate(45deg);
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      border-left:4px solid var(--color-accent);
      margin-left:20px;
      margin-bottom:18px;
    }
    .faq-answer p{
      margin:0;
      font-size:15.5px;
      line-height:1.8;
    }
    .faq-item.is-open .faq-answer{display:block}

    .contact-cta{
      padding:82px 0;
      background:
        radial-gradient(circle at 20% 10%,rgba(216,111,93,.18),transparent 30%),
        linear-gradient(135deg,#F2D7CB,var(--color-sand));
    }
    .contact-box{
      border-radius:34px;
      background:rgba(255,253,249,.80);
      border:1px solid rgba(74,38,56,.12);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .contact-info{
      padding:10px 18px 10px 0;
    }
    .contact-list{
      list-style:none;
      padding:0;
      margin:24px 0 0;
    }
    .contact-list li{
      display:flex;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(74,38,56,.08);
      color:var(--color-muted);
      font-weight:650;
    }
    .contact-list li::before{
      content:"";
      width:10px;height:10px;
      border-radius:50%;
      background:var(--color-accent);
      margin-top:10px;
      flex:0 0 auto;
    }
    .form-card{
      background:var(--color-white);
      border:1px solid var(--border);
      border-radius:26px;
      padding:24px;
    }
    .form-card label{
      color:var(--color-primary);
      font-weight:800;
      font-size:14px;
      margin-bottom:7px;
    }
    .form-card input,.form-card select,.form-card textarea{
      height:50px;
      border-radius:15px;
      border:1px solid rgba(74,38,56,.16);
      background:var(--color-paper);
      color:var(--color-ink);
      box-shadow:none;
      margin-bottom:16px;
      padding:10px 14px;
    }
    .form-card textarea{
      min-height:112px;
      resize:vertical;
    }
    .form-card input:focus,.form-card select:focus,.form-card textarea:focus{
      border-color:var(--color-accent);
      background:var(--color-white);
      box-shadow:0 0 0 4px rgba(216,111,93,.12);
    }
    .form-note{
      font-size:13px;
      color:var(--color-muted);
      margin:10px 0 0;
      line-height:1.65;
    }

    .site-footer{
      background:var(--color-primary);
      color:rgba(255,253,249,.82);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:30px;
      margin-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{
      width:40px;height:40px;
      box-shadow:none;
      background:linear-gradient(135deg,#FFF3EB,var(--color-accent));
    }
    .footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:var(--color-primary)}
    .footer-title{
      color:var(--color-white);
      font-weight:900;
      line-height:1.35;
    }
    .footer-sub{
      color:rgba(255,253,249,.60);
      font-size:13px;
      margin-top:2px;
    }
    .site-footer h3{
      color:var(--color-white);
      font-size:16px;
      margin-bottom:14px;
    }
    .site-footer p{
      color:rgba(255,253,249,.70);
      font-size:15px;
      line-height:1.8;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,253,249,.72);
      font-size:14.5px;
    }
    .footer-links a:hover{
      color:var(--color-accent-soft);
      padding-left:4px;
    }
    .copyright{
      border-top:1px solid rgba(255,253,249,.13);
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,253,249,.55);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media screen and (max-width:1024px){
      .brand-position{display:none}
      .search-box{width:230px}
      .trend-strip{max-width:360px}
      .service-layout{grid-template-columns:1fr}
      .service-aside{position:relative;top:auto}
      .stat-grid{grid-template-columns:repeat(3,1fr)}
      .scenario-grid,.insight-wrap{grid-template-columns:1fr}
      .plan-grid{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media screen and (max-width:768px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:58px 0}
      .brand-row{min-height:60px}
      .brand-name{max-width:230px;font-size:15px}
      .brand-sub{font-size:11px}
      .header-actions{display:none}
      .menu-toggle{display:inline-flex}
      .nav-row{
        display:none;
        align-items:stretch;
        flex-direction:column;
        padding:14px 0 16px;
      }
      .site-header.menu-open .nav-row{display:flex}
      .channel-nav{
        flex-direction:column;
        align-items:stretch;
        width:100%;
        gap:7px;
      }
      .channel-nav a{
        justify-content:center;
        min-height:42px;
        background:rgba(255,253,249,.70);
        border-color:rgba(74,38,56,.10);
      }
      .trend-strip{
        width:100%;
        max-width:none;
        overflow-x:auto;
        padding:2px 0 8px;
      }
      .hero{padding:54px 0 32px}
      .hero-copy{padding-right:0;margin-bottom:26px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .hero-panel{min-height:auto;padding:18px;border-radius:26px}
      .panel-metrics{grid-template-columns:1fr}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .service-list{grid-template-columns:1fr}
      .service-card:nth-child(2),.service-card:nth-child(3){transform:none}
      .stat-grid{grid-template-columns:1fr}
      .data-wall{padding:26px;border-radius:26px}
      .scenario-card{grid-template-columns:1fr}
      .abstract-thumb{min-height:120px}
      .faq-grid{grid-template-columns:1fr}
      .contact-box{padding:22px;border-radius:26px}
      .contact-info{padding:0;margin-bottom:20px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media screen and (max-width:520px){
      h1{font-size:32px}
      h2{font-size:27px}
      h3{font-size:21px}
      p,.lead{font-size:16px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .brand-name{max-width:190px}
      .intro-band{padding:22px;border-radius:24px}
      .channel-pill{width:100%;justify-content:center}
      .stack-card{grid-template-columns:1fr}
      .stack-badge{width:max-content}
      .service-aside,.service-card,.plan-card,.insight-card{padding:22px}
    }

/* roulang page: category1 */
:root{
      --primary:#4A2638;
      --primary-dark:#371B2A;
      --accent:#D86F5D;
      --accent-soft:rgba(216,111,93,.13);
      --paper:#F8F3EE;
      --sand:#EFE4DA;
      --ink:#202020;
      --muted:#6F6560;
      --moss:#68736A;
      --line:rgba(74,38,56,.14);
      --shadow:0 18px 48px rgba(74,38,56,.10);
      --shadow-hover:0 24px 62px rgba(74,38,56,.16);
      --radius:22px;
      --radius-sm:14px;
      --container:1200px;
      --transition:all .24s ease;
    }

    *{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(--ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(216,111,93,.10), transparent 32%),
        radial-gradient(circle at 90% 8%, rgba(74,38,56,.08), transparent 28%),
        var(--paper);
      line-height:1.85;
      font-size:16px;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(216,111,93,.25)}
    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      background:rgba(74,38,56,.08);
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 13px;
      font-size:14px;
      font-weight:700;
      line-height:1.2;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(216,111,93,.15);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(31px,4vw,50px);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:760;
      color:var(--primary);
      margin-bottom:20px;
    }
    h2{
      font-size:clamp(26px,3vw,36px);
      line-height:1.25;
      color:var(--primary);
      font-weight:740;
      margin-bottom:14px;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      font-weight:700;
      color:var(--ink);
      margin-bottom:10px;
    }
    p{color:var(--muted);margin-bottom:.85em}
    .lead{
      font-size:17px;
      line-height:1.9;
      color:var(--muted);
      max-width:780px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:99;
      background:rgba(248,243,238,.88);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid rgba(74,38,56,.10);
      transition:var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(248,243,238,.98);
      box-shadow:0 12px 32px rgba(74,38,56,.10);
    }
    .brand-row{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--primary);
    }
    .brand:hover{color:var(--primary-dark)}
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:15px;
      background:
        linear-gradient(135deg,var(--primary),#6a3b52 55%,var(--accent));
      position:relative;
      box-shadow:0 12px 28px rgba(74,38,56,.18);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      left:10px;
      right:10px;
      height:3px;
      border-radius:999px;
      background:rgba(248,243,238,.86);
    }
    .brand-mark:before{top:14px}
    .brand-mark:after{top:24px;width:15px;right:auto}
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-title{
      font-size:18px;
      font-weight:780;
      letter-spacing:-.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted);
      font-weight:600;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .search-pill{
      width:288px;
      display:flex;
      align-items:center;
      gap:8px;
      height:40px;
      border-radius:999px;
      background:var(--sand);
      border:1px solid rgba(74,38,56,.10);
      padding:0 14px;
      color:var(--muted);
      font-size:14px;
    }
    .search-pill input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      box-shadow:none;
      height:36px;
      margin:0;
      padding:0;
    }
    .search-pill input::placeholder{color:#8a7d76}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.42);
      color:var(--primary);
      align-items:center;
      justify-content:center;
      font-weight:800;
    }
    .menu-toggle:focus,.btn:focus,input:focus,select:focus,textarea:focus,a:focus-visible{
      outline:0;
      box-shadow:0 0 0 4px rgba(216,111,93,.25);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-size:15px;
      line-height:1.2;
      font-weight:750;
      transition:var(--transition);
    }
    .btn-primary{
      color:var(--paper);
      background:var(--primary);
      box-shadow:0 14px 30px rgba(74,38,56,.16);
    }
    .btn-primary:hover{
      color:var(--paper);
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(74,38,56,.20);
    }
    .btn-accent{
      color:#fff;
      background:var(--accent);
      box-shadow:0 12px 28px rgba(216,111,93,.24);
    }
    .btn-accent:hover{
      color:#fff;
      background:#c95d4c;
      transform:translateY(-2px);
    }
    .btn-secondary{
      color:var(--primary);
      background:rgba(248,243,238,.72);
      border-color:rgba(74,38,56,.22);
    }
    .btn-secondary:hover{
      color:var(--primary-dark);
      background:var(--sand);
      transform:translateY(-2px);
    }
    .channel-wrap{
      border-top:1px solid rgba(74,38,56,.08);
    }
    .channel-line{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .channel-nav{
      list-style:none;
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:0;
    }
    .channel-nav a{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:8px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:15px;
      font-weight:720;
      position:relative;
    }
    .channel-nav a:hover{
      color:var(--primary);
      background:rgba(74,38,56,.06);
    }
    .channel-nav a.active{
      color:var(--primary);
      background:var(--accent-soft);
    }
    .trend-tags{
      display:flex;
      align-items:center;
      gap:8px;
      overflow:hidden;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .trend-tags span{
      display:inline-flex;
      border:1px solid rgba(74,38,56,.12);
      background:rgba(255,255,255,.35);
      border-radius:999px;
      padding:5px 10px;
      line-height:1.2;
    }

    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:20px;
    }
    .breadcrumb a{font-weight:700;color:var(--primary)}
    .category-hero{
      padding:54px 0 40px;
      border-bottom:1px solid rgba(74,38,56,.10);
      background:
        linear-gradient(135deg, rgba(239,228,218,.76), rgba(248,243,238,.78)),
        radial-gradient(circle at 82% 20%, rgba(216,111,93,.14), transparent 30%);
    }
    .hero-panel{
      border-radius:28px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.42);
      box-shadow:var(--shadow);
      padding:24px;
      position:relative;
      overflow:hidden;
      min-height:260px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -36px -42px auto;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(216,111,93,.14);
    }
    .subtitle-board{
      position:relative;
      z-index:1;
      display:grid;
      gap:14px;
    }
    .subtitle-line{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(248,243,238,.78);
      border:1px solid rgba(74,38,56,.10);
    }
    .subtitle-line strong{color:var(--primary)}
    .line-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--accent);
      flex:0 0 auto;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:20px;
      position:relative;
      z-index:1;
    }
    .metric-mini{
      border-radius:16px;
      background:rgba(74,38,56,.08);
      padding:14px;
      border:1px solid rgba(74,38,56,.10);
    }
    .metric-mini b{
      display:block;
      font-size:22px;
      color:var(--primary);
      line-height:1.1;
      margin-bottom:4px;
    }
    .metric-mini span{
      color:var(--muted);
      font-size:13px;
      font-weight:650;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      background:rgba(255,255,255,.52);
      border:1px solid var(--line);
      color:var(--primary);
      padding:7px 12px;
      font-size:14px;
      font-weight:700;
      line-height:1.2;
    }
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:14px;
      border-radius:22px;
      background:rgba(255,255,255,.52);
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(74,38,56,.06);
      margin-bottom:26px;
    }
    .filter-bar a{
      display:inline-flex;
      padding:8px 14px;
      border-radius:999px;
      font-weight:720;
      color:var(--muted);
      border:1px solid transparent;
      font-size:14px;
    }
    .filter-bar a:hover,.filter-bar a.active{
      color:var(--primary);
      border-color:rgba(216,111,93,.34);
      background:var(--accent-soft);
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-head p{max-width:720px;margin-bottom:0}
    .feature-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
    }
    .feature-card,.small-feature,.article-card,.side-card,.cta-band,.explain-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.52);
      box-shadow:var(--shadow);
      transition:var(--transition);
    }
    .feature-card:hover,.small-feature:hover,.article-card:hover,.side-card:hover,.explain-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(216,111,93,.35);
    }
    .feature-card{
      min-height:350px;
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(135deg,rgba(74,38,56,.96),rgba(74,38,56,.86)),
        var(--primary);
      color:var(--paper);
    }
    .feature-card:after{
      content:"";
      position:absolute;
      right:-40px;
      top:-40px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(216,111,93,.26);
    }
    .feature-card h3{
      color:var(--paper);
      font-size:28px;
      max-width:640px;
      position:relative;
      z-index:1;
    }
    .feature-card p{color:rgba(248,243,238,.78);position:relative;z-index:1;max-width:700px}
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      margin-bottom:12px;
    }
    .feature-card .meta-line{color:rgba(248,243,238,.75);position:relative;z-index:1}
    .feature-card .tag{background:rgba(248,243,238,.12);color:var(--paper);border-color:rgba(248,243,238,.18)}
    .feature-visual{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      position:relative;
      z-index:1;
      margin-top:20px;
    }
    .visual-tile{
      min-height:82px;
      border-radius:18px;
      background:rgba(248,243,238,.10);
      border:1px solid rgba(248,243,238,.16);
      padding:14px;
    }
    .visual-tile b{display:block;color:#fff;font-size:20px}
    .visual-tile span{font-size:13px;color:rgba(248,243,238,.72)}
    .small-stack{display:grid;gap:22px}
    .small-feature{padding:24px;min-height:164px}
    .small-feature h3{color:var(--primary)}
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary);
      font-weight:780;
      margin-top:8px;
    }
    .read-link:hover{color:var(--accent)}

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,2fr) minmax(280px,.88fr);
      gap:28px;
      align-items:start;
    }
    .article-list{
      display:grid;
      gap:16px;
    }
    .article-card{
      display:grid;
      grid-template-columns:112px minmax(0,1fr);
      gap:18px;
      padding:18px;
      border-left:4px solid rgba(74,38,56,.18);
    }
    .article-card:hover{border-left-color:var(--accent)}
    .thumb{
      border-radius:18px;
      min-height:112px;
      background:
        linear-gradient(135deg,rgba(74,38,56,.12),rgba(216,111,93,.18)),
        var(--sand);
      border:1px solid rgba(74,38,56,.10);
      position:relative;
      overflow:hidden;
    }
    .thumb:before,.thumb:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      height:5px;
      border-radius:999px;
      background:rgba(74,38,56,.22);
    }
    .thumb:before{top:34px}
    .thumb:after{top:52px;width:52%;right:auto;background:rgba(216,111,93,.45)}
    .article-card h3{
      margin-bottom:8px;
      transition:var(--transition);
    }
    .article-card:hover h3{color:var(--primary)}
    .article-card p{margin-bottom:10px}
    .article-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .reading-tip{
      color:var(--moss);
      font-size:14px;
      font-weight:700;
    }
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:136px;
    }
    .side-card{padding:22px}
    .side-card h3{color:var(--primary)}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .tag-cloud a{
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(248,243,238,.68);
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      padding:7px 11px;
    }
    .tag-cloud a:hover{
      color:var(--primary);
      background:var(--accent-soft);
      border-color:rgba(216,111,93,.35);
    }
    .topic-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .topic-list li{
      padding-bottom:12px;
      border-bottom:1px solid rgba(74,38,56,.10);
    }
    .topic-list li:last-child{border-bottom:0;padding-bottom:0}
    .topic-list a{
      display:block;
      color:var(--ink);
      font-weight:740;
      line-height:1.55;
    }
    .topic-list a:hover{color:var(--primary)}
    .topic-list span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:14px;
    }
    .service-box{
      background:
        linear-gradient(135deg,rgba(74,38,56,.95),rgba(74,38,56,.82));
      color:var(--paper);
    }
    .service-box h3{color:var(--paper)}
    .service-box p{color:rgba(248,243,238,.76)}

    .explain-section{background:var(--sand)}
    .explain-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      margin-top:28px;
    }
    .explain-card{
      padding:24px;
      background:rgba(248,243,238,.76);
      box-shadow:none;
    }
    .num-badge{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:var(--paper);
      font-weight:800;
      margin-bottom:14px;
    }

    .faq-list{
      display:grid;
      gap:14px;
      margin-top:28px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.56);
      overflow:hidden;
      transition:var(--transition);
    }
    .faq-item.is-open{
      border-color:rgba(216,111,93,.38);
      box-shadow:0 12px 34px rgba(74,38,56,.08);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      text-align:left;
      border:0;
      background:transparent;
      color:var(--primary);
      font-weight:780;
      padding:18px 20px;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(74,38,56,.08);
      flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
    }
    .faq-item.is-open .faq-answer{display:block}

    .cta-band{
      padding:34px;
      background:
        radial-gradient(circle at 88% 20%, rgba(216,111,93,.22), transparent 34%),
        linear-gradient(135deg,rgba(248,243,238,.94),rgba(239,228,218,.92));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      margin-top:38px;
    }
    .cta-band h2{margin-bottom:8px}
    .cta-band p{margin-bottom:0;max-width:720px}

    .site-footer{
      background:var(--primary);
      color:var(--paper);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .75fr .8fr .95fr;
      gap:32px;
      margin-bottom:32px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:15px;
    }
    .footer-title{
      display:block;
      color:#fff;
      font-weight:780;
      line-height:1.35;
    }
    .footer-sub{
      display:block;
      color:rgba(248,243,238,.64);
      font-size:13px;
      font-weight:650;
    }
    .site-footer p{color:rgba(248,243,238,.72)}
    .site-footer h3{
      color:#fff;
      font-size:17px;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(248,243,238,.72);
      font-weight:650;
    }
    .footer-links a:hover{color:#fff}
    .copyright{
      border-top:1px solid rgba(248,243,238,.16);
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:rgba(248,243,238,.62);
      font-size:14px;
    }

    @media (max-width:1024px){
      .site-container{width:min(calc(100% - 32px),var(--container))}
      .search-pill{width:220px}
      .brand-title{max-width:300px}
      .feature-grid,.content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(3,1fr)}
      .explain-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .brand-row{min-height:58px}
      .brand-title{max-width:230px;font-size:16px}
      .brand-sub{display:none}
      .header-actions .btn{display:none}
      .search-pill{display:none}
      .menu-toggle{display:inline-flex}
      .channel-wrap{
        display:none;
        padding-bottom:14px;
      }
      .site-header.menu-open .channel-wrap{display:block}
      .channel-line{
        align-items:stretch;
        flex-direction:column;
        gap:12px;
      }
      .channel-nav{
        flex-direction:column;
        align-items:stretch;
        gap:6px;
      }
      .channel-nav a{
        width:100%;
        justify-content:center;
      }
      .trend-tags{
        overflow-x:auto;
        padding-bottom:4px;
      }
      .category-hero{padding:40px 0 30px}
      .hero-panel{margin-top:24px}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{display:block}
      .feature-grid{gap:16px}
      .feature-card{min-height:auto;padding:24px}
      .feature-visual{grid-template-columns:1fr}
      .article-card{grid-template-columns:1fr}
      .thumb{min-height:92px}
      .sidebar{grid-template-columns:1fr}
      .explain-grid{grid-template-columns:1fr}
      .cta-band{
        flex-direction:column;
        align-items:flex-start;
        padding:26px;
      }
      .cta-band .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .site-container{width:min(calc(100% - 24px),var(--container))}
      h1{font-size:31px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .brand-title{max-width:190px}
      .filter-bar{overflow-x:auto;flex-wrap:nowrap}
      .filter-bar a{white-space:nowrap}
      .tag-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .feature-card h3{font-size:24px}
      .btn{width:100%}
      .article-bottom{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category2 */
:root{
      --color-primary:#4A2638;
      --color-primary-dark:#371B2A;
      --color-accent:#D86F5D;
      --color-accent-deep:#C85B49;
      --color-bg:#F8F3EE;
      --color-bg-soft:#EFE4DA;
      --color-card:#FFFDF9;
      --color-text:#202020;
      --color-muted:#6F6560;
      --color-neutral:#68736A;
      --color-line:rgba(74,38,56,.14);
      --shadow-soft:0 18px 45px rgba(74,38,56,.10);
      --shadow-card:0 12px 30px rgba(74,38,56,.08);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1220px;
      --transition:all .24s ease;
    }

    *{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(--color-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(216,111,93,.12), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(74,38,56,.10), transparent 26%),
        var(--color-bg);
      line-height:1.85;
      font-size:16px;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:var(--transition);
    }
    a:hover,a:focus{color:var(--color-primary)}
    button,input,select,textarea{
      font-family:inherit;
    }
    button{cursor:pointer}
    img{max-width:100%;height:auto;display:block}
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{
      color:var(--color-text);
      letter-spacing:-.03em;
    }
    h1{
      font-size:clamp(32px,4.4vw,52px);
      line-height:1.18;
      font-weight:760;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(27px,3.2vw,38px);
      line-height:1.25;
      font-weight:740;
      margin-bottom:18px;
    }
    h3{
      font-size:clamp(21px,2vw,26px);
      line-height:1.35;
      font-weight:700;
      margin-bottom:12px;
    }
    p{
      color:var(--color-muted);
      margin-bottom:.9em;
    }
    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:84px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      color:var(--color-primary);
      background:rgba(216,111,93,.12);
      border:1px solid rgba(216,111,93,.24);
      font-size:14px;
      font-weight:700;
      margin-bottom:18px;
    }
    .section-kicker:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(216,111,93,.13);
    }
    .section-head{
      max-width:790px;
      margin-bottom:34px;
    }
    .section-head.center{
      margin-left:auto;
      margin-right:auto;
      text-align:center;
    }
    .lead{
      font-size:17px;
      line-height:1.9;
      color:var(--color-muted);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(248,243,238,.88);
      backdrop-filter:saturate(150%) blur(14px);
      border-bottom:1px solid var(--color-line);
      transition:var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(248,243,238,.98);
      box-shadow:0 10px 28px rgba(74,38,56,.08);
    }
    .brand-row{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:11px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      flex:0 0 auto;
      background:
        linear-gradient(135deg, rgba(255,255,255,.42), transparent 44%),
        linear-gradient(135deg,var(--color-primary),#7A4153);
      position:relative;
      box-shadow:0 11px 22px rgba(74,38,56,.18);
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      left:9px;
      right:9px;
      height:4px;
      border-radius:99px;
      background:rgba(248,243,238,.88);
    }
    .brand-mark:before{top:13px}
    .brand-mark:after{top:23px;width:15px;right:auto}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.25;
      min-width:0;
    }
    .brand-title{
      font-size:17px;
      font-weight:800;
      color:var(--color-primary);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--color-muted);
      margin-top:2px;
    }
    .top-slogan{
      color:var(--color-neutral);
      font-weight:650;
      font-size:14px;
      white-space:nowrap;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      width:270px;
      height:40px;
      border:1px solid var(--color-line);
      background:var(--color-bg-soft);
      border-radius:999px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      color:var(--color-muted);
      font-size:14px;
    }
    .search-dot{
      width:12px;
      height:12px;
      border:2px solid var(--color-primary);
      border-radius:50%;
      position:relative;
      opacity:.72;
    }
    .search-dot:after{
      content:"";
      position:absolute;
      width:6px;
      height:2px;
      background:var(--color-primary);
      right:-6px;
      bottom:-3px;
      transform:rotate(45deg);
      border-radius:2px;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--color-line);
      border-radius:14px;
      background:var(--color-card);
      color:var(--color-primary);
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span,
    .menu-toggle span:before,
    .menu-toggle span:after{
      display:block;
      width:18px;
      height:2px;
      background:currentColor;
      border-radius:99px;
      position:relative;
      transition:var(--transition);
    }
    .menu-toggle span:before,
    .menu-toggle span:after{
      content:"";
      position:absolute;
      left:0;
    }
    .menu-toggle span:before{top:-6px}
    .menu-toggle span:after{top:6px}
    .nav-row{
      border-top:1px solid rgba(74,38,56,.08);
      padding:9px 0 10px;
    }
    .nav-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .channel-nav{
      list-style:none;
      padding:0;
      margin:0;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
    }
    .channel-nav a{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:8px 14px;
      border-radius:999px;
      color:var(--color-muted);
      font-size:15px;
      font-weight:700;
      border:1px solid transparent;
    }
    .channel-nav a:hover{
      color:var(--color-primary);
      background:rgba(239,228,218,.82);
      border-color:var(--color-line);
    }
    .channel-nav a.active{
      color:var(--color-primary);
      background:rgba(216,111,93,.14);
      border-color:rgba(216,111,93,.28);
      box-shadow:inset 0 -2px 0 rgba(216,111,93,.34);
    }
    .hotwords{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
      overflow-x:auto;
      scrollbar-width:none;
      color:var(--color-muted);
      font-size:13px;
      max-width:500px;
    }
    .hotwords::-webkit-scrollbar{display:none}
    .hotwords strong{
      color:var(--color-primary);
      flex:0 0 auto;
    }
    .hotwords span{
      flex:0 0 auto;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,253,249,.75);
      border:1px solid rgba(74,38,56,.10);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-size:15px;
      font-weight:750;
      border:1px solid transparent;
      transition:var(--transition);
      line-height:1.2;
    }
    .btn-primary{
      background:var(--color-primary);
      color:var(--color-bg)!important;
      box-shadow:0 12px 24px rgba(74,38,56,.18);
    }
    .btn-primary:hover{
      background:var(--color-primary-dark);
      color:#fff!important;
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(74,38,56,.24);
    }
    .btn-accent{
      background:var(--color-accent);
      color:#fff!important;
      box-shadow:0 12px 22px rgba(216,111,93,.22);
    }
    .btn-accent:hover{
      background:var(--color-accent-deep);
      color:#fff!important;
      transform:translateY(-2px);
    }
    .btn-secondary{
      background:rgba(255,253,249,.78);
      color:var(--color-primary)!important;
      border-color:rgba(74,38,56,.25);
    }
    .btn-secondary:hover{
      background:var(--color-bg-soft);
      transform:translateY(-2px);
    }
    .btn:focus,.menu-toggle:focus,input:focus,select:focus,textarea:focus{
      outline:none;
      box-shadow:0 0 0 4px rgba(216,111,93,.22);
      border-color:rgba(216,111,93,.6)!important;
    }

    .hero{
      padding:72px 0 58px;
      background:
        linear-gradient(180deg, rgba(239,228,218,.72), rgba(248,243,238,.88)),
        radial-gradient(circle at 75% 35%, rgba(216,111,93,.16), transparent 30%);
      border-bottom:1px solid var(--color-line);
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      width:460px;
      height:460px;
      right:-190px;
      top:-180px;
      background:repeating-linear-gradient(0deg, rgba(74,38,56,.08) 0 1px, transparent 1px 18px);
      border-radius:50%;
      opacity:.65;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:var(--color-muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:var(--color-primary);
      font-weight:700;
    }
    .breadcrumb span{opacity:.78}
    .hero-copy{
      position:relative;
      z-index:2;
      max-width:760px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:28px;
    }
    .trust-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .trust-points span,
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      border:1px solid rgba(74,38,56,.12);
      background:rgba(255,253,249,.74);
      color:var(--color-muted);
      padding:7px 12px;
      font-size:14px;
      font-weight:650;
    }
    .solution-panel{
      position:relative;
      z-index:2;
      padding:22px;
      border-radius:var(--radius-lg);
      background:rgba(255,253,249,.82);
      border:1px solid rgba(74,38,56,.14);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .solution-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 10%, rgba(216,111,93,.16), transparent 25%),
        linear-gradient(135deg, transparent 0 58%, rgba(74,38,56,.05) 58% 100%);
      pointer-events:none;
    }
    .panel-title{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .panel-title strong{
      color:var(--color-primary);
      font-size:18px;
    }
    .score{
      width:64px;
      height:64px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--color-primary);
      color:var(--color-bg);
      font-size:24px;
      font-weight:850;
      box-shadow:0 16px 28px rgba(74,38,56,.18);
    }
    .process-mini{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
    }
    .process-mini-item{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:12px;
      align-items:start;
      padding:14px;
      background:rgba(248,243,238,.78);
      border:1px solid rgba(74,38,56,.10);
      border-radius:18px;
    }
    .process-mini-item em{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      font-style:normal;
      color:var(--color-primary);
      background:rgba(216,111,93,.13);
      font-weight:850;
    }
    .process-mini-item strong{
      display:block;
      color:var(--color-text);
      margin-bottom:2px;
    }
    .process-mini-item span{
      display:block;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.65;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .plan-card{
      border-radius:var(--radius-lg);
      background:var(--color-card);
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-card);
      padding:26px;
      position:relative;
      transition:var(--transition);
      min-height:100%;
      overflow:hidden;
    }
    .plan-card:hover{
      transform:translateY(-4px);
      border-color:rgba(216,111,93,.40);
      box-shadow:0 18px 38px rgba(74,38,56,.13);
    }
    .plan-card.featured{
      background:linear-gradient(180deg, #FFFDF9, #F7EEE7);
      border-color:rgba(216,111,93,.38);
      transform:translateY(-10px);
    }
    .plan-card.featured:hover{transform:translateY(-14px)}
    .plan-badge{
      display:inline-flex;
      padding:6px 11px;
      border-radius:999px;
      background:rgba(216,111,93,.13);
      color:var(--color-primary);
      font-weight:800;
      font-size:13px;
      margin-bottom:18px;
    }
    .plan-card h3{
      color:var(--color-primary);
    }
    .feature-list{
      list-style:none;
      margin:20px 0 22px;
      padding:0;
      display:grid;
      gap:12px;
    }
    .feature-list li{
      padding-left:26px;
      position:relative;
      color:var(--color-muted);
      line-height:1.65;
    }
    .feature-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:.55em;
      width:14px;
      height:14px;
      border-radius:50%;
      background:rgba(216,111,93,.16);
      border:4px solid var(--color-accent);
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:30px;
    }
    .metric-card{
      background:rgba(74,38,56,.96);
      color:var(--color-bg);
      border-radius:22px;
      padding:22px;
      min-height:130px;
      position:relative;
      overflow:hidden;
      box-shadow:0 16px 34px rgba(74,38,56,.16);
    }
    .metric-card:after{
      content:"";
      position:absolute;
      width:120px;
      height:120px;
      right:-42px;
      bottom:-52px;
      border-radius:50%;
      background:rgba(216,111,93,.18);
    }
    .metric-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      margin-bottom:10px;
      color:#fff;
    }
    .metric-card span{
      color:rgba(248,243,238,.78);
      font-size:14px;
      line-height:1.6;
    }

    .timeline-wrap{
      background:var(--color-primary);
      border-radius:32px;
      padding:38px;
      color:var(--color-bg);
      box-shadow:0 24px 55px rgba(74,38,56,.18);
      position:relative;
      overflow:hidden;
    }
    .timeline-wrap:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 85% 15%, rgba(216,111,93,.22), transparent 25%),
        repeating-linear-gradient(90deg, transparent 0 26px, rgba(255,255,255,.035) 26px 27px);
    }
    .timeline-wrap .section-kicker{
      position:relative;
      z-index:1;
      background:rgba(248,243,238,.10);
      border-color:rgba(248,243,238,.18);
      color:var(--color-bg);
    }
    .timeline-wrap h2,
    .timeline-wrap p{
      position:relative;
      z-index:1;
      color:var(--color-bg);
    }
    .timeline{
      position:relative;
      z-index:1;
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .timeline-step{
      padding:20px;
      min-height:210px;
      border-radius:22px;
      background:rgba(255,253,249,.08);
      border:1px solid rgba(248,243,238,.14);
      transition:var(--transition);
    }
    .timeline-step:hover{
      background:rgba(255,253,249,.13);
      transform:translateY(-3px);
    }
    .timeline-step em{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--color-accent);
      color:#fff;
      font-style:normal;
      font-weight:850;
      margin-bottom:16px;
    }
    .timeline-step h3{
      color:#fff;
      font-size:20px;
      margin-bottom:9px;
    }
    .timeline-step p{
      color:rgba(248,243,238,.74);
      font-size:14px;
      line-height:1.72;
      margin-bottom:0;
    }

    .capability-block{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:28px;
      align-items:center;
      margin-bottom:32px;
    }
    .capability-block:nth-child(even) .capability-visual{order:2}
    .capability-text{
      padding:6px 10px;
    }
    .capability-text h3{
      color:var(--color-primary);
      margin-bottom:14px;
    }
    .capability-points{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .capability-visual{
      min-height:300px;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(74,38,56,.92), rgba(88,52,65,.86)),
        radial-gradient(circle at 20% 15%, rgba(216,111,93,.22), transparent 28%);
      border:1px solid rgba(74,38,56,.16);
      box-shadow:var(--shadow-soft);
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .capability-visual.light{
      background:
        linear-gradient(135deg, rgba(255,253,249,.94), rgba(239,228,218,.88));
    }
    .visual-card{
      position:relative;
      z-index:1;
      background:rgba(255,253,249,.10);
      border:1px solid rgba(255,255,255,.18);
      border-radius:20px;
      padding:18px;
      margin-bottom:14px;
      color:#fff;
    }
    .capability-visual.light .visual-card{
      background:rgba(255,253,249,.76);
      color:var(--color-text);
      border-color:rgba(74,38,56,.12);
    }
    .visual-card strong{
      display:block;
      margin-bottom:10px;
      color:inherit;
    }
    .bars{
      display:grid;
      gap:8px;
    }
    .bars span{
      display:block;
      height:9px;
      border-radius:999px;
      background:rgba(248,243,238,.30);
      overflow:hidden;
    }
    .bars span:before{
      content:"";
      display:block;
      height:100%;
      width:var(--w);
      border-radius:inherit;
      background:var(--color-accent);
    }
    .capability-visual.light .bars span{background:rgba(74,38,56,.10)}

    .knowledge-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      align-items:start;
    }
    .knowledge-list{
      display:grid;
      gap:16px;
    }
    .knowledge-item{
      display:grid;
      grid-template-columns:92px 1fr;
      gap:18px;
      padding:18px;
      border-radius:22px;
      background:var(--color-card);
      border:1px solid var(--color-line);
      box-shadow:0 10px 24px rgba(74,38,56,.06);
      transition:var(--transition);
    }
    .knowledge-item:hover{
      transform:translateY(-3px);
      border-color:rgba(216,111,93,.38);
      box-shadow:var(--shadow-card);
    }
    .knowledge-thumb{
      border-radius:18px;
      background:
        linear-gradient(135deg, rgba(74,38,56,.92), rgba(216,111,93,.70)),
        repeating-linear-gradient(0deg, transparent 0 10px, rgba(255,255,255,.16) 10px 11px);
      min-height:92px;
      position:relative;
    }
    .knowledge-thumb:after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:18px;
      height:7px;
      border-radius:99px;
      background:rgba(248,243,238,.70);
      box-shadow:0 -14px 0 rgba(248,243,238,.42);
    }
    .knowledge-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:8px;
      color:var(--color-muted);
      font-size:13px;
      font-weight:650;
    }
    .knowledge-item h3{
      font-size:20px;
      margin-bottom:8px;
    }
    .knowledge-item h3 a:hover{color:var(--color-primary)}
    .knowledge-item p{
      font-size:15px;
      line-height:1.72;
      margin-bottom:0;
    }
    .quote-card{
      position:sticky;
      top:142px;
      padding:30px;
      border-radius:28px;
      background:var(--color-primary);
      color:var(--color-bg);
      box-shadow:0 22px 48px rgba(74,38,56,.18);
    }
    .quote-card h3{
      color:#fff;
      margin-bottom:18px;
    }
    .quote-card p{
      color:rgba(248,243,238,.80);
    }
    .quote-card .tag{
      color:var(--color-bg);
      background:rgba(248,243,238,.10);
      border-color:rgba(248,243,238,.16);
      margin:4px 5px 4px 0;
    }

    .faq-section{
      background:var(--color-bg-soft);
      border-top:1px solid var(--color-line);
      border-bottom:1px solid var(--color-line);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:var(--color-card);
      border:1px solid var(--color-line);
      border-radius:20px;
      overflow:hidden;
      box-shadow:0 8px 20px rgba(74,38,56,.05);
      transition:var(--transition);
    }
    .faq-item.is-open{
      border-color:rgba(216,111,93,.42);
      box-shadow:var(--shadow-card);
    }
    .faq-question{
      width:100%;
      border:0;
      background:transparent;
      padding:19px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      color:var(--color-text);
      font-size:17px;
      font-weight:760;
    }
    .faq-question:after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--color-primary);
      background:rgba(216,111,93,.12);
      flex:0 0 auto;
      transition:var(--transition);
    }
    .faq-item.is-open .faq-question:after{
      content:"−";
      background:var(--color-primary);
      color:#fff;
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--color-muted);
      line-height:1.82;
    }
    .faq-item.is-open .faq-answer{display:block}

    .contact-cta{
      padding:74px 0;
    }
    .cta-panel{
      border-radius:34px;
      background:
        radial-gradient(circle at 18% 10%, rgba(216,111,93,.22), transparent 26%),
        linear-gradient(135deg, var(--color-primary), #5A3042 62%, #6B3A47);
      color:var(--color-bg);
      padding:42px;
      box-shadow:0 24px 60px rgba(74,38,56,.22);
      overflow:hidden;
      position:relative;
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-120px;
      width:330px;
      height:330px;
      border-radius:50%;
      border:44px solid rgba(248,243,238,.07);
    }
    .cta-panel h2,
    .cta-panel p{
      color:var(--color-bg);
      position:relative;
      z-index:1;
    }
    .cta-panel p{
      color:rgba(248,243,238,.80);
    }
    .contact-form{
      position:relative;
      z-index:1;
      background:rgba(255,253,249,.10);
      border:1px solid rgba(248,243,238,.16);
      border-radius:26px;
      padding:24px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      display:block;
      color:rgba(248,243,238,.86);
      font-size:14px;
      font-weight:700;
      margin-bottom:7px;
    }
    .form-field input,
    .form-field select,
    .form-field textarea{
      width:100%;
      min-height:50px;
      border-radius:14px;
      border:1px solid rgba(248,243,238,.20);
      background:rgba(255,253,249,.92);
      color:var(--color-text);
      padding:12px 14px;
      font-size:15px;
      box-shadow:none;
      margin:0;
    }
    .form-field textarea{
      min-height:118px;
      resize:vertical;
    }

    .site-footer{
      background:var(--color-primary);
      color:var(--color-bg);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .75fr .85fr 1fr;
      gap:30px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-title{
      display:block;
      color:#fff;
      font-weight:850;
      line-height:1.32;
    }
    .footer-sub{
      display:block;
      color:rgba(248,243,238,.68);
      font-size:13px;
      margin-top:3px;
    }
    .site-footer p{
      color:rgba(248,243,238,.72);
      line-height:1.85;
    }
    .site-footer h3{
      color:#fff;
      font-size:18px;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(248,243,238,.74);
      font-size:15px;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .copyright{
      border-top:1px solid rgba(248,243,238,.14);
      margin-top:38px;
      padding-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:rgba(248,243,238,.62);
      font-size:14px;
    }

    @media (max-width:1100px){
      .top-slogan{display:none}
      .search-box{width:220px}
      .compare-grid{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .plan-card.featured:hover{transform:translateY(-4px)}
      .metric-row{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .knowledge-grid,.faq-grid{grid-template-columns:1fr}
      .quote-card{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      body{font-size:15.5px}
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:56px 0}
      .section-tight{padding:44px 0}
      .brand-row{min-height:60px}
      .brand-title{font-size:15px;max-width:230px}
      .brand-sub{font-size:11px}
      .brand-mark{width:36px;height:36px;border-radius:12px}
      .header-actions .search-box,
      .header-actions .btn{display:none}
      .menu-toggle{display:flex}
      .nav-row{
        display:none;
        padding:0 0 14px;
      }
      .site-header.menu-open .nav-row{display:block}
      .nav-inner{
        align-items:stretch;
        flex-direction:column;
      }
      .channel-nav{
        flex-direction:column;
        align-items:stretch;
        gap:6px;
      }
      .channel-nav a{
        width:100%;
        justify-content:flex-start;
        border-radius:14px;
      }
      .hotwords{
        max-width:100%;
        padding:8px 0 2px;
      }
      .hero{padding:46px 0 48px}
      .solution-panel{margin-top:26px}
      .hero-actions .btn{width:100%}
      .metric-row{grid-template-columns:1fr}
      .timeline-wrap{padding:26px 18px;border-radius:26px}
      .timeline{grid-template-columns:1fr}
      .capability-block,
      .capability-block:nth-child(even) .capability-visual{
        display:block;
      }
      .capability-visual{
        min-height:240px;
        margin:20px 0 0;
      }
      .knowledge-item{
        grid-template-columns:1fr;
      }
      .knowledge-thumb{min-height:120px}
      .form-grid{grid-template-columns:1fr}
      .cta-panel{padding:28px 18px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width:520px){
      h1{font-size:31px}
      h2{font-size:26px}
      .brand-title{max-width:190px}
      .process-mini-item{grid-template-columns:1fr}
      .panel-title{align-items:flex-start}
      .score{width:56px;height:56px;font-size:22px}
      .plan-card{padding:22px}
      .faq-question{font-size:16px;padding:17px 18px}
      .faq-answer{padding:0 18px 18px}
    }