/* roulang page: index */
:root{
      --bg:#f8f5ef;
      --bg-soft:#fffdf8;
      --panel:#ffffff;
      --panel-soft:#fffaf3;
      --text:#18131f;
      --muted:#6c6575;
      --line:#e7dece;
      --line-strong:#cabba3;
      --brand1:#8d2cff;
      --brand2:#00c2a8;
      --brand3:#ffb34d;
      --brand4:#ff6b7a;
      --shadow:0 14px 34px rgba(32, 16, 45, .10);
      --shadow-hard:8px 8px 0 rgba(24, 19, 31, .10);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1240px;
      --gap:24px;
      --nav-h:84px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,0) 32%),
        linear-gradient(0deg, rgba(0,0,0,0) 0, rgba(0,0,0,0) 100%),
        linear-gradient(135deg, #fdfbf7 0%, #f7f2ea 100%);
      line-height:1.7;
      letter-spacing:0;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(25,18,34,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(25,18,34,.045) 1px, transparent 1px);
      background-size:24px 24px;
      opacity:.35;
      mix-blend-mode:multiply;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{
      cursor:pointer;
      border:none;
      background:none;
      padding:0;
    }
    :focus-visible{
      outline:3px solid rgba(0,194,168,.38);
      outline-offset:3px;
    }

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background:rgba(253,250,244,.84);
      border-bottom:1px solid rgba(202,187,163,.65);
      box-shadow:0 10px 24px rgba(36,22,44,.06);
    }
    .topbar{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:0;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      background:
        linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:var(--shadow-hard);
      border:2px solid rgba(24,19,31,.92);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      background:#fff7e8;
      opacity:.95;
    }
    .brand-mark::before{
      inset:9px;
      clip-path:polygon(0 0, 72% 0, 72% 32%, 100% 32%, 100% 100%, 0 100%);
    }
    .brand-mark::after{
      width:7px;
      height:7px;
      right:8px;
      top:8px;
      box-shadow:
        -10px 0 0 #fff7e8,
        -20px 0 0 #fff7e8,
        0 10px 0 #fff7e8,
        -10px 10px 0 #fff7e8;
    }
    .brand span{
      display:block;
      max-width:300px;
      font-size:18px;
      line-height:1.25;
      color:var(--text);
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      gap:16px;
      margin-left:14px;
      flex:1 1 auto;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      flex-wrap:wrap;
      min-width:0;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:#3b3543;
      font-weight:650;
      transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background:rgba(141,44,255,.08);
      color:var(--text);
      transform:translateY(-1px);
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(141,44,255,.14), rgba(0,194,168,.12));
      color:var(--text);
      box-shadow:inset 0 0 0 1px rgba(24,19,31,.08);
    }
    .nav-link i,
    .nav-link svg{
      width:16px;
      height:16px;
      flex:0 0 auto;
    }

    .commandbar{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      min-width:360px;
      max-width:440px;
      width:100%;
      background:var(--panel);
      border:2px solid rgba(24,19,31,.92);
      border-radius:999px;
      box-shadow:var(--shadow-hard);
      padding:6px 8px 6px 12px;
    }
    .commandbar .search-icon{
      width:18px;
      height:18px;
      color:#7b7288;
      flex:0 0 auto;
    }
    .commandbar input{
      width:100%;
      border:none;
      outline:none;
      background:transparent;
      padding:8px 4px;
      color:var(--text);
      min-width:0;
    }
    .commandbar input::placeholder{
      color:#8a8196;
    }
    .kbd{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:28px;
      min-width:28px;
      padding:0 8px;
      border-radius:9px;
      background:#f6f1e8;
      border:1px solid rgba(24,19,31,.12);
      color:#645b6e;
      font-size:12px;
      font-weight:700;
      flex:0 0 auto;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:16px;
      font-weight:750;
      letter-spacing:0;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .btn svg{
      width:18px;
      height:18px;
      flex:0 0 auto;
    }
    .btn-primary{
      color:#fffdf8;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      border:2px solid rgba(24,19,31,.92);
      box-shadow:var(--shadow-hard);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:10px 10px 0 rgba(24,19,31,.12);
    }
    .btn-secondary{
      color:var(--text);
      background:#fff;
      border:2px solid rgba(24,19,31,.92);
      box-shadow:0 6px 0 rgba(24,19,31,.08);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:var(--brand2);
      box-shadow:0 8px 0 rgba(24,19,31,.08);
    }
    .btn-ghost{
      color:#3f3750;
      background:rgba(255,255,255,.65);
      border:1px solid rgba(24,19,31,.12);
      box-shadow:none;
    }
    .btn-ghost:hover{
      background:#fff;
      border-color:rgba(141,44,255,.28);
    }

    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .mobile-actions{
      display:none;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .icon-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:46px;
      height:46px;
      border-radius:16px;
      background:#fff;
      border:2px solid rgba(24,19,31,.92);
      box-shadow:var(--shadow-hard);
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .icon-btn:hover{
      transform:translateY(-1px);
      box-shadow:10px 10px 0 rgba(24,19,31,.10);
    }
    .icon-btn svg{
      width:18px;
      height:18px;
      color:#2d2538;
    }

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(202,187,163,.65);
      background:rgba(253,250,244,.96);
      padding:14px 0 20px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .commandbar{
      min-width:0;
      max-width:none;
      width:100%;
      margin:0 0 14px;
    }
    .mobile-panel .nav-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:10px;
    }
    .mobile-panel .nav-link{
      justify-content:center;
      background:#fff;
      border:1px solid rgba(24,19,31,.12);
      box-shadow:none;
    }
    .mobile-panel .panel-cta{
      display:grid;
      grid-template-columns:1fr;
      gap:12px;
      margin-top:14px;
    }

    main{
      display:block;
      position:relative;
      z-index:1;
    }
    .section{
      padding:78px 0;
    }
    .section.tight{
      padding-top:64px;
      padding-bottom:64px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#6a5a72;
      font-size:14px;
      font-weight:700;
      letter-spacing:0;
      margin-bottom:10px;
    }
    .eyebrow .dot{
      width:10px;
      height:10px;
      border-radius:3px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      border:1px solid rgba(24,19,31,.85);
      box-shadow:0 0 0 4px rgba(141,44,255,.08);
      flex:0 0 auto;
    }
    h1,h2,h3,h4,p{margin:0}
    h1{
      font-size:56px;
      line-height:1.08;
      letter-spacing:0;
    }
    h2{
      font-size:34px;
      line-height:1.18;
      letter-spacing:0;
    }
    h3{
      font-size:22px;
      line-height:1.25;
      letter-spacing:0;
    }
    p{
      color:var(--muted);
      font-size:17px;
    }

    .hero{
      padding:28px 0 56px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      border:2px solid rgba(24,19,31,.95);
      box-shadow:12px 12px 0 rgba(24,19,31,.10);
      background:
        linear-gradient(135deg, rgba(141,44,255,.98), rgba(0,194,168,.92)),
        #30183a;
      color:#fffdf8;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px);
      background-size:28px 28px;
      opacity:.16;
      pointer-events:none;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -8% -16% auto;
      width:42%;
      height:58%;
      background:
        linear-gradient(135deg, rgba(255,179,77,.22), rgba(255,107,122,.12));
      transform:rotate(-10deg);
      border-top-left-radius:110px;
      border-top-right-radius:28px;
      border-bottom-left-radius:40px;
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:22px;
      min-width:0;
      position:relative;
      z-index:1;
    }
    .hero-copy p{
      color:rgba(255,250,244,.92);
      font-size:18px;
      max-width:640px;
    }
    .hero-title{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:4px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.26);
      color:#fffdf8;
      font-weight:650;
      font-size:14px;
      backdrop-filter: blur(6px);
    }
    .badge strong{
      font-size:14px;
    }
    .badge .mini-dot{
      width:8px;
      height:8px;
      border-radius:3px;
      background:#fff;
      box-shadow:0 0 0 3px rgba(255,255,255,.18);
      flex:0 0 auto;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:4px;
    }
    .hero-actions .btn{
      min-width:156px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      margin-top:4px;
    }
    .metric{
      padding:14px 14px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.20);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#fffefb;
      margin-bottom:4px;
    }
    .metric span{
      display:block;
      color:rgba(255,250,244,.90);
      font-size:13px;
      line-height:1.45;
    }

    .hero-visual{
      display:flex;
      flex-direction:column;
      gap:14px;
      min-width:0;
      position:relative;
      z-index:1;
    }
    .hero-device{
      background:rgba(255,250,244,.96);
      border:2px solid rgba(24,19,31,.92);
      border-radius:26px;
      box-shadow:var(--shadow-hard);
      padding:16px;
      overflow:hidden;
      min-height:100%;
    }
    .hero-device-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .device-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:#1e1825;
      color:#fffdf8;
      border:1px solid rgba(255,255,255,.18);
      font-weight:700;
      font-size:13px;
    }
    .device-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand2);
      box-shadow:0 0 0 3px rgba(0,194,168,.18);
    }
    .mini-state{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#4f4758;
      font-weight:650;
      font-size:13px;
      padding:7px 10px;
      border-radius:12px;
      background:#f6f1e8;
      border:1px solid rgba(24,19,31,.08);
    }
    .hero-art{
      width:100%;
      border-radius:20px;
      border:1px solid rgba(24,19,31,.10);
      background:
        linear-gradient(180deg, rgba(141,44,255,.06), rgba(0,194,168,.08));
      overflow:hidden;
      aspect-ratio: 15 / 11;
      margin-bottom:14px;
    }
    .hero-mini-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:10px;
      margin-bottom:14px;
    }
    .mini-block{
      padding:13px 12px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(24,19,31,.10);
      box-shadow:0 5px 0 rgba(24,19,31,.06);
    }
    .mini-block strong{
      display:block;
      font-size:15px;
      line-height:1.2;
      margin-bottom:6px;
      color:var(--text);
    }
    .mini-block span{
      display:block;
      font-size:13px;
      line-height:1.45;
      color:var(--muted);
    }
    .checklist{
      display:grid;
      gap:10px;
      padding:14px;
      border-radius:18px;
      background:#18131f;
      color:#fffdf8;
      border:1px solid rgba(255,255,255,.12);
    }
    .check-row{
      display:flex;
      align-items:flex-start;
      gap:10px;
      font-size:14px;
      line-height:1.55;
      color:rgba(255,250,244,.92);
    }
    .check-row svg{
      width:18px;
      height:18px;
      flex:0 0 auto;
      color:var(--brand2);
      margin-top:1px;
    }

    .panel-note{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:8px;
      color:rgba(255,250,244,.96);
    }

    .surface{
      background:linear-gradient(180deg, rgba(255,255,255,.94), rgba(255,251,244,.98));
      border-top:1px solid rgba(202,187,163,.45);
      border-bottom:1px solid rgba(202,187,163,.45);
    }

    .section-copy{
      max-width:720px;
    }
    .section-copy p{
      margin-top:10px;
      max-width:640px;
    }

    .step-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .step-card,
    .feature-card,
    .case-card,
    .entry-card,
    .news-card,
    .faq-card,
    .cta-card,
    .form-card{
      background:var(--panel);
      border:2px solid rgba(24,19,31,.92);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-hard);
    }
    .step-card{
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height:210px;
    }
    .step-card::before{
      content:"";
      position:absolute;
      right:-20px;
      top:-20px;
      width:92px;
      height:92px;
      border-radius:24px;
      background:linear-gradient(135deg, rgba(141,44,255,.10), rgba(0,194,168,.12));
      border:1px solid rgba(24,19,31,.10);
      transform:rotate(14deg);
    }
    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      color:#fffdf8;
      font-size:16px;
      font-weight:800;
      box-shadow:var(--shadow-hard);
      border:2px solid rgba(24,19,31,.92);
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .step-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .step-head h3{
      max-width:200px;
    }
    .status-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:6px 10px;
      border-radius:999px;
      background:#f7f1e5;
      border:1px solid rgba(24,19,31,.08);
      color:#5a5164;
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .status-tag .pulse{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand2);
      box-shadow:0 0 0 3px rgba(0,194,168,.16);
    }
    .step-card p{
      position:relative;
      z-index:1;
      font-size:15px;
      line-height:1.75;
    }
    .step-card .mini-action{
      margin-top:14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#2f2640;
      font-weight:700;
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .step-card .mini-action svg{
      width:16px;
      height:16px;
    }

    .entry-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .entry-card{
      padding:18px;
      min-height:186px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,242,231,.98));
      position:relative;
      overflow:hidden;
    }
    .entry-card::after{
      content:"";
      position:absolute;
      right:14px;
      bottom:14px;
      width:54px;
      height:54px;
      border-radius:16px;
      border:1px solid rgba(24,19,31,.08);
      background:
        linear-gradient(135deg, rgba(141,44,255,.12), rgba(0,194,168,.10));
    }
    .entry-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, rgba(141,44,255,.16), rgba(0,194,168,.16));
      border:1px solid rgba(24,19,31,.12);
      margin-bottom:14px;
    }
    .entry-icon svg{
      width:20px;
      height:20px;
      color:#3d2847;
    }
    .entry-card h3{
      font-size:20px;
      margin-bottom:8px;
    }
    .entry-card p{
      font-size:15px;
      line-height:1.72;
      margin-bottom:12px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:6px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(24,19,31,.10);
      color:#54495f;
      font-size:12px;
      font-weight:700;
    }
    .tag.brand{
      background:linear-gradient(135deg, rgba(141,44,255,.10), rgba(0,194,168,.10));
      color:#2c2137;
    }

    .case-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .case-card{
      padding:22px;
      min-height:248px;
      display:flex;
      flex-direction:column;
      gap:14px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(249,244,236,.98));
    }
    .case-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .case-top h3{
      max-width:220px;
    }
    .case-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:12px;
      background:#18131f;
      color:#fffdf8;
      font-size:12px;
      font-weight:700;
      flex:0 0 auto;
    }
    .case-badge .square{
      width:8px;
      height:8px;
      border-radius:2px;
      background:var(--brand3);
      box-shadow:0 0 0 3px rgba(255,179,77,.14);
    }
    .case-card p{
      font-size:15px;
      line-height:1.75;
    }
    .case-result{
      margin-top:auto;
      padding-top:12px;
      border-top:1px dashed rgba(24,19,31,.16);
      display:grid;
      gap:8px;
    }
    .case-result strong{
      font-size:15px;
    }
    .case-result span{
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
    }

    .dual-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .news-card{
      padding:22px;
    }
    .news-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .news-item{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:14px 14px;
      border-radius:18px;
      border:1px solid rgba(24,19,31,.10);
      background:#fff;
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .news-item:hover{
      transform:translateY(-1px);
      border-color:rgba(141,44,255,.24);
      box-shadow:0 6px 18px rgba(32,16,45,.07);
    }
    .news-item h3{
      font-size:17px;
      line-height:1.45;
      margin-bottom:6px;
    }
    .news-item p{
      font-size:14px;
      line-height:1.6;
    }
    .news-meta{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:8px;
      flex:0 0 auto;
    }
    .news-date{
      color:#6c6278;
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }

    .news-aside{
      padding:22px;
      background:
        linear-gradient(180deg, rgba(24,19,31,.97), rgba(49,34,62,.98));
      color:#fffdf8;
    }
    .news-aside p{
      color:rgba(255,250,244,.86);
    }
    .aside-stack{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .aside-item{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .aside-item strong{
      display:block;
      font-size:15px;
      margin-bottom:6px;
    }
    .aside-item span{
      color:rgba(255,250,244,.84);
      font-size:14px;
      line-height:1.6;
    }
    .aside-cta{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:16px;
    }
    .faq-card{
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(249,244,236,.98));
    }
    .faq-card details{
      border-bottom:1px solid rgba(24,19,31,.08);
    }
    .faq-card details:last-child{
      border-bottom:none;
    }
    .faq-card summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      cursor:pointer;
      font-weight:750;
      font-size:16px;
      color:var(--text);
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary .summary-icon{
      width:26px;
      height:26px;
      flex:0 0 auto;
      border-radius:9px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, rgba(141,44,255,.12), rgba(0,194,168,.12));
      border:1px solid rgba(24,19,31,.10);
      color:#3b3044;
      transition:transform .18s ease, background .18s ease;
    }
    .faq-card details[open] summary .summary-icon{
      transform:rotate(45deg);
      background:linear-gradient(135deg, rgba(141,44,255,.18), rgba(0,194,168,.18));
    }
    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.78;
    }

    .cta-wrap{
      display:grid;
      grid-template-columns:1fr 0.92fr;
      gap:18px;
      align-items:stretch;
    }
    .cta-card{
      padding:28px;
      background:
        linear-gradient(135deg, rgba(141,44,255,.98), rgba(0,194,168,.92));
      color:#fffdf8;
      position:relative;
      overflow:hidden;
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px);
      background-size:26px 26px;
      opacity:.16;
      pointer-events:none;
    }
    .cta-card > *{
      position:relative;
      z-index:1;
    }
    .cta-card p{
      color:rgba(255,250,244,.94);
      max-width:640px;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:20px;
    }
    .cta-actions .btn{
      min-width:168px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .trust-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.22);
      font-size:13px;
      font-weight:700;
      color:#fffdf8;
    }
    .trust-chip .tmark{
      width:8px;
      height:8px;
      border-radius:2px;
      background:var(--brand3);
      box-shadow:0 0 0 3px rgba(255,179,77,.12);
    }

    .form-card{
      padding:24px;
      background:rgba(255,255,255,.98);
    }
    .form-grid{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:14px;
      font-weight:700;
      color:#3f3748;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      min-width:0;
      padding:13px 14px;
      border-radius:14px;
      border:1px solid rgba(24,19,31,.14);
      background:#fff;
      color:var(--text);
      outline:none;
      transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    .field textarea{
      min-height:120px;
      resize:vertical;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(0,194,168,.75);
      box-shadow:0 0 0 4px rgba(0,194,168,.12);
    }
    .form-note{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      margin-top:12px;
    }
    .form-submit{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .footer{
      margin-top:24px;
      padding:32px 0 34px;
      background:#1b1721;
      color:#fdf8ef;
      border-top:1px solid rgba(255,255,255,.08);
      position:relative;
      z-index:1;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:12px;
    }
    .footer-brand .brand-mark{
      box-shadow:none;
      border-color:rgba(255,255,255,.14);
    }
    .footer-brand span{
      color:#fffdf8;
      font-size:18px;
      font-weight:800;
    }
    .footer p{
      color:rgba(255,250,244,.78);
      font-size:14px;
      max-width:680px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 12px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.04);
      color:#fdf8ef;
      font-size:13px;
      font-weight:700;
      transition:transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .footer-links a:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.08);
      border-color:rgba(0,194,168,.28);
    }
    .footer-right{
      display:grid;
      gap:10px;
      justify-items:start;
    }
    .footer-right .meta{
      color:rgba(255,250,244,.82);
      font-size:14px;
      line-height:1.7;
    }
    .copyright{
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,250,244,.62);
      font-size:13px;
    }

    .split-line{
      height:1px;
      background:linear-gradient(90deg, rgba(141,44,255,.18), rgba(0,194,168,.18), rgba(255,179,77,.18));
      margin:12px 0 0;
    }

    .pill-inline{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(24,19,31,.10);
      color:#3d3546;
      font-size:13px;
      font-weight:700;
    }

    .section-sub{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:16px;
      color:var(--muted);
      font-size:14px;
    }
    .section-sub .mini-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:700;
      color:#2f2240;
    }
    .section-sub .mini-link svg{
      width:16px;
      height:16px;
    }

    @media (max-width: 1180px){
      h1{font-size:50px}
      .hero-grid{grid-template-columns:1fr .94fr}
      .entry-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .case-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .dual-grid,
      .cta-wrap{
        grid-template-columns:1fr;
      }
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }

    @media (max-width: 960px){
      .desktop-nav{
        display:none;
      }
      .header-actions{
        display:none;
      }
      .mobile-actions{
        display:flex;
      }
      .hero-grid{
        grid-template-columns:1fr;
        padding:24px;
      }
      .hero-copy{
        order:1;
      }
      .hero-visual{
        order:2;
      }
      .hero-metrics{
        grid-template-columns:repeat(3, minmax(0, 1fr));
      }
      .step-grid{
        grid-template-columns:1fr;
      }
      .case-grid{
        grid-template-columns:1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width: 768px){
      .container{
        width:min(var(--container), calc(100% - 28px));
      }
      .topbar{
        min-height:72px;
      }
      h1{
        font-size:36px;
        line-height:1.12;
      }
      h2{
        font-size:28px;
      }
      h3{
        font-size:20px;
      }
      p{
        font-size:16px;
      }
      .hero{
        padding:18px 0 42px;
      }
      .section{
        padding:54px 0;
      }
      .hero-shell{
        border-radius:26px;
      }
      .hero-grid{
        gap:18px;
        padding:20px;
      }
      .hero-actions .btn,
      .cta-actions .btn,
      .form-submit .btn{
        width:100%;
        min-width:0;
      }
      .hero-metrics{
        grid-template-columns:1fr;
      }
      .hero-mini-grid{
        grid-template-columns:1fr;
      }
      .entry-grid{
        grid-template-columns:1fr;
      }
      .news-item{
        flex-direction:column;
      }
      .news-meta{
        align-items:flex-start;
      }
      .section-sub{
        flex-direction:column;
        align-items:flex-start;
      }
      .trust-row{
        display:grid;
        grid-template-columns:1fr;
      }
      .mobile-panel .nav-links{
        grid-template-columns:1fr;
      }
      .brand span{
        font-size:16px;
        max-width:200px;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 20px));
      }
      .brand-mark{
        width:36px;
        height:36px;
        border-radius:12px;
      }
      h1{
        font-size:32px;
      }
      h2{
        font-size:26px;
      }
      .hero-copy p{
        font-size:16px;
      }
      .hero-device{
        padding:14px;
      }
      .hero-art{
        aspect-ratio: 4 / 3;
      }
      .step-card,
      .case-card,
      .entry-card,
      .news-card,
      .faq-card,
      .cta-card,
      .form-card{
        border-radius:20px;
      }
      .faq-card summary{
        padding:16px 16px;
        font-size:15px;
      }
      .faq-answer{
        padding:0 16px 16px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #f6f1ea;
      --bg-soft: #fbf8f3;
      --panel: #fffaf3;
      --panel-dark: #1d1730;
      --panel-dark-2: #241c3b;
      --text: #18131f;
      --muted: #6f667a;
      --line: rgba(39, 28, 54, 0.12);
      --line-strong: rgba(39, 28, 54, 0.22);
      --primary: #8a4fff;
      --primary-2: #14c3b5;
      --accent: #ff9b4a;
      --good: #27b36b;
      --warn: #f2b134;
      --danger: #e35d5d;
      --shadow: 8px 8px 0 rgba(32, 22, 47, 0.12);
      --shadow-soft: 0 18px 40px rgba(29, 20, 48, 0.1);
      --radius: 22px;
      --radius-sm: 14px;
      --container: 1240px;
      --space: 24px;
      --space-lg: 36px;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      --grad: linear-gradient(135deg, #8a4fff 0%, #14c3b5 100%);
      --grad-2: linear-gradient(135deg, #6f38ec 0%, #ff9b4a 100%);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.72)),
        linear-gradient(180deg, #f5efe7 0%, #f6f1ea 100%);
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(41, 31, 54, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(41, 31, 54, 0.045) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.35));
      opacity: 0.5;
      z-index: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    button {
      border: 0;
      background: none;
      cursor: pointer;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(251, 248, 243, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(34, 25, 46, 0.08);
      box-shadow: 0 8px 24px rgba(20, 15, 33, 0.05);
    }

    .topbar {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px 0;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand {
      flex: 0 0 auto;
      font-size: 18px;
    }

    .brand-mark {
      width: 18px;
      height: 18px;
      border-radius: 4px;
      background:
        linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
      box-shadow:
        0 0 0 2px rgba(18, 13, 29, 0.9),
        5px 5px 0 rgba(18, 13, 29, 0.16);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 4px;
      border-radius: 2px;
      background: rgba(255, 255, 255, 0.9);
    }

    .brand-mark::after {
      inset: 7px;
      background: rgba(255, 255, 255, 0.45);
    }

    .desktop-nav {
      flex: 1 1 auto;
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      min-width: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 14px;
      border-radius: 999px;
      color: #473d56;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .nav-link svg,
    .btn svg,
    .commandbar svg,
    .menu-toggle svg {
      width: 16px;
      height: 16px;
      flex: 0 0 auto;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      outline: none;
      background: rgba(138, 79, 255, 0.08);
      color: var(--text);
      border-color: rgba(138, 79, 255, 0.16);
      transform: translateY(-1px);
    }

    .nav-link.active {
      background: rgba(20, 195, 181, 0.12);
      color: #102b2a;
      border-color: rgba(20, 195, 181, 0.2);
      box-shadow: 0 10px 18px rgba(20, 195, 181, 0.08);
    }

    .commandbar {
      flex: 1 1 300px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.78);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
      min-width: 0;
    }

    .commandbar input {
      flex: 1 1 auto;
      min-width: 0;
      border: 0;
      outline: none;
      background: transparent;
      color: var(--text);
    }

    .commandbar input::placeholder {
      color: #8a8197;
    }

    .kbd {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 34px;
      height: 26px;
      padding: 0 8px;
      border-radius: 8px;
      border: 1px solid rgba(39, 28, 54, 0.16);
      background: rgba(246, 241, 234, 0.85);
      color: #685d75;
      font-size: 12px;
      flex: 0 0 auto;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 16px;
      border-radius: 14px;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space: nowrap;
      font-weight: 700;
    }

    .btn:hover,
    .btn:focus-visible {
      outline: none;
      transform: translateY(-1px);
    }

    .btn-primary {
      color: #fff;
      background: var(--grad);
      box-shadow: 6px 6px 0 rgba(29, 21, 43, 0.18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 8px 8px 0 rgba(29, 21, 43, 0.22);
    }

    .btn-secondary {
      color: #20182d;
      background: rgba(255, 255, 255, 0.9);
      border-color: rgba(39, 28, 54, 0.14);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.08);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      border-color: rgba(138, 79, 255, 0.28);
      box-shadow: 6px 6px 0 rgba(29, 21, 43, 0.1);
    }

    .btn-secondary.light {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.16);
      color: #fff;
    }

    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid rgba(39, 28, 54, 0.14);
      background: rgba(255, 255, 255, 0.9);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.08);
      flex: 0 0 auto;
    }

    .mobile-panel {
      display: none;
      padding: 0 0 16px;
    }

    .mobile-panel .nav-links {
      display: grid;
      gap: 6px;
      margin-bottom: 12px;
    }

    .mobile-panel .nav-link,
    .mobile-panel .btn {
      width: 100%;
      justify-content: flex-start;
    }

    .mobile-panel .commandbar {
      width: 100%;
      margin-bottom: 12px;
    }

    .hero-section {
      position: relative;
      padding: 32px 0 18px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 24px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 8px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(138, 79, 255, 0.12);
      border: 1px solid rgba(138, 79, 255, 0.18);
      color: #4b2ca0;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0;
    }

    .crumbs {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
      color: var(--muted);
      font-size: 13px;
    }

    .crumbs a {
      color: inherit;
    }

    .crumbs span {
      opacity: 0.7;
    }

    .hero-title {
      margin: 18px 0 14px;
      font-size: clamp(34px, 4vw, 58px);
      line-height: 1.08;
      letter-spacing: 0;
      max-width: 12ch;
    }

    .hero-lead {
      margin: 0;
      max-width: 44rem;
      color: #51485d;
      font-size: 17px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.72);
      border: 1px solid rgba(39, 28, 54, 0.1);
      color: #463f53;
      font-size: 13px;
      box-shadow: 2px 2px 0 rgba(29, 21, 43, 0.04);
      white-space: nowrap;
    }

    .hero-board {
      position: relative;
      border-radius: 28px;
      padding: 22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.04)),
        radial-gradient(circle at top right, rgba(20,195,181,0.12), transparent 36%),
        radial-gradient(circle at left bottom, rgba(138,79,255,0.14), transparent 34%),
        linear-gradient(180deg, #22193a 0%, #171225 100%);
      border: 2px solid rgba(255,255,255,0.08);
      color: rgba(255,255,255,0.92);
      box-shadow: 12px 12px 0 rgba(29, 21, 43, 0.16);
      overflow: hidden;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: 0.36;
      pointer-events: none;
    }

    .board-head,
    .board-subhead {
      position: relative;
      z-index: 1;
    }

    .board-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .board-head strong {
      font-size: 18px;
      letter-spacing: 0;
    }

    .mini-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(20,195,181,0.14);
      border: 1px solid rgba(20,195,181,0.24);
      color: #c8fff7;
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }

    .board-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .board-tile {
      padding: 14px 14px 13px;
      border-radius: 18px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.1);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .board-tile .label {
      display: block;
      color: rgba(255,255,255,0.68);
      font-size: 12px;
      margin-bottom: 6px;
    }

    .board-tile strong {
      display: block;
      font-size: 20px;
      line-height: 1.15;
      letter-spacing: 0;
    }

    .board-tile p {
      margin: 6px 0 0;
      color: rgba(255,255,255,0.74);
      font-size: 13px;
      line-height: 1.55;
    }

    .board-list {
      position: relative;
      z-index: 1;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,0.1);
      display: grid;
      gap: 10px;
    }

    .board-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(255,255,255,0.08);
    }

    .board-item:last-child {
      border-bottom: 0;
    }

    .board-item .name {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 600;
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--good);
      box-shadow: 0 0 0 4px rgba(39,179,107,0.18);
      flex: 0 0 auto;
    }

    .board-item small {
      color: rgba(255,255,255,0.68);
      white-space: nowrap;
    }

    .section-band {
      padding: 18px 0 8px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(24px, 2.7vw, 36px);
      line-height: 1.15;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 46rem;
    }

    .tools-band {
      padding: 14px 0 10px;
    }

    .tools-shell {
      padding: 18px;
      border-radius: 28px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background: rgba(255, 255, 255, 0.72);
      box-shadow: var(--shadow-soft);
    }

    .tools-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background: rgba(255,255,255,0.84);
      color: #4b4256;
      font-weight: 700;
      transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }

    .chip:hover,
    .chip:focus-visible {
      outline: none;
      transform: translateY(-1px);
      border-color: rgba(138, 79, 255, 0.2);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.06);
    }

    .chip.active {
      background: rgba(138, 79, 255, 0.12);
      border-color: rgba(138, 79, 255, 0.22);
      color: #3e247c;
    }

    .sort-box {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #5e5668;
      flex-wrap: wrap;
    }

    .sort-box label {
      font-size: 14px;
      font-weight: 700;
    }

    .sort-box select {
      min-height: 42px;
      border-radius: 14px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background: rgba(255,255,255,0.9);
      padding: 0 14px;
      outline: none;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
    }

    .sort-box select:focus-visible,
    .search-inline input:focus-visible,
    .lead-form input:focus-visible,
    .lead-form select:focus-visible,
    .lead-form textarea:focus-visible {
      outline: none;
      border-color: rgba(20, 195, 181, 0.55);
      box-shadow: 0 0 0 4px rgba(20, 195, 181, 0.14);
    }

    .search-inline {
      margin-top: 14px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 18px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background: rgba(255,255,255,0.82);
    }

    .search-inline input {
      flex: 1 1 auto;
      min-width: 0;
      border: 0;
      outline: none;
      background: transparent;
      color: var(--text);
    }

    .search-inline .hint {
      font-size: 12px;
      color: #81778f;
      white-space: nowrap;
    }

    .catalog-band {
      padding: 16px 0 26px;
    }

    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .catalog-card {
      border-radius: 24px;
      padding: 18px;
      background: rgba(255,255,255,0.86);
      border: 1px solid rgba(39, 28, 54, 0.12);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      min-height: 100%;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position: relative;
      overflow: hidden;
    }

    .catalog-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(138,79,255,0.08), transparent 45%),
        linear-gradient(225deg, rgba(20,195,181,0.06), transparent 40%);
      pointer-events: none;
      opacity: 0.9;
    }

    .catalog-card:hover {
      transform: translateY(-2px);
      border-color: rgba(138, 79, 255, 0.24);
      box-shadow: 12px 12px 0 rgba(29, 21, 43, 0.12);
    }

    .card-inner {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      gap: 14px;
      height: 100%;
    }

    .card-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .card-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(20,195,181,0.12);
      color: #13665f;
      font-size: 12px;
      font-weight: 700;
      border: 1px solid rgba(20,195,181,0.16);
    }

    .card-badge.hot {
      background: rgba(255,155,74,0.12);
      color: #a65710;
      border-color: rgba(255,155,74,0.18);
    }

    .card-badge.new {
      background: rgba(138,79,255,0.12);
      color: #5422b1;
      border-color: rgba(138,79,255,0.18);
    }

    .card-title {
      margin: 0;
      font-size: 21px;
      line-height: 1.25;
      letter-spacing: 0;
    }

    .card-desc {
      margin: 0;
      color: #564e62;
      line-height: 1.75;
      font-size: 15px;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(39, 28, 54, 0.1);
      background: rgba(246, 241, 234, 0.9);
      color: #665d76;
      font-size: 12px;
      white-space: nowrap;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
    }

    .tiny-tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(39, 28, 54, 0.1);
      background: rgba(255,255,255,0.82);
      color: #4f4759;
      font-size: 12px;
    }

    .card-action {
      margin-top: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .card-action .btn {
      min-height: 40px;
      padding: 0 14px;
      border-radius: 12px;
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.08);
      font-size: 14px;
    }

    .card-action .state {
      font-size: 13px;
      color: var(--muted);
    }

    .proof-band {
      padding: 16px 0 18px;
    }

    .proof-shell {
      padding: 18px 18px 12px;
      border-radius: 28px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.72));
      box-shadow: var(--shadow-soft);
    }

    .proof-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .proof-item {
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(39, 28, 54, 0.1);
      background: rgba(246, 241, 234, 0.72);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.06);
    }

    .proof-item strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: #281d3b;
      letter-spacing: 0;
    }

    .proof-item span {
      display: block;
      margin-top: 6px;
      color: #635a70;
      font-size: 14px;
      font-weight: 700;
    }

    .proof-item p {
      margin: 8px 0 0;
      color: #645b72;
      font-size: 14px;
      line-height: 1.65;
    }

    .faq-band {
      padding: 18px 0 18px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    details {
      border-radius: 20px;
      border: 1px solid rgba(39, 28, 54, 0.12);
      background: rgba(255,255,255,0.84);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.06);
      overflow: hidden;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    details:hover {
      border-color: rgba(138, 79, 255, 0.2);
      transform: translateY(-1px);
    }

    summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 18px 18px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 700;
      color: #231b31;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(138, 79, 255, 0.1);
      color: #4f2da4;
      flex: 0 0 auto;
      transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    details[open] summary::after {
      content: "–";
      background: rgba(20, 195, 181, 0.14);
      color: #11675f;
    }

    .faq-body {
      padding: 0 18px 18px;
      color: #5b5367;
      line-height: 1.75;
    }

    .cta-band {
      padding: 16px 0 30px;
    }

    .cta-shell {
      position: relative;
      border-radius: 30px;
      background:
        radial-gradient(circle at left top, rgba(255,155,74,0.16), transparent 34%),
        radial-gradient(circle at right bottom, rgba(20,195,181,0.18), transparent 30%),
        linear-gradient(135deg, #201836 0%, #151022 100%);
      color: rgba(255,255,255,0.94);
      border: 2px solid rgba(255,255,255,0.08);
      box-shadow: 12px 12px 0 rgba(29, 21, 43, 0.16);
      overflow: hidden;
    }

    .cta-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
      background-size: 26px 26px;
      opacity: 0.28;
      pointer-events: none;
    }

    .cta-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 18px;
      padding: 26px;
    }

    .cta-copy h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.15;
    }

    .cta-copy p {
      margin: 0;
      color: rgba(255,255,255,0.78);
      max-width: 36rem;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .trust {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.9);
      font-size: 12px;
      white-space: nowrap;
    }

    .cta-panel {
      border-radius: 24px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      padding: 18px;
    }

    .lead-form {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      font-size: 13px;
      color: rgba(255,255,255,0.8);
      font-weight: 700;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 46px;
      padding: 12px 14px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.94);
      color: var(--text);
      outline: none;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
    }

    .field textarea {
      min-height: 120px;
      resize: vertical;
    }

    .form-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      grid-column: 1 / -1;
      margin-top: 2px;
    }

    .form-actions .btn {
      min-height: 46px;
      padding: 0 18px;
    }

    .footer {
      position: relative;
      z-index: 1;
      padding: 28px 0 34px;
      background: rgba(241, 236, 229, 0.92);
      border-top: 1px solid rgba(39, 28, 54, 0.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 20px;
      align-items: start;
    }

    .footer-brand {
      font-size: 18px;
      margin-bottom: 12px;
    }

    .footer p {
      margin: 0;
      color: #5d5569;
      max-width: 46rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.8);
      border: 1px solid rgba(39, 28, 54, 0.1);
      color: #483f56;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      outline: none;
      transform: translateY(-1px);
      border-color: rgba(138, 79, 255, 0.2);
      box-shadow: 4px 4px 0 rgba(29, 21, 43, 0.06);
    }

    .footer-right {
      display: grid;
      gap: 10px;
      justify-items: start;
    }

    .meta {
      color: #5e5668;
      font-size: 14px;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,0.72);
      border: 1px solid rgba(39, 28, 54, 0.08);
    }

    .copyright {
      margin-top: 4px;
      color: #4c4558;
      font-size: 14px;
      font-weight: 700;
    }

    .section-gap {
      height: 8px;
    }

    :focus-visible {
      outline: 2px solid rgba(20, 195, 181, 0.8);
      outline-offset: 2px;
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .cta-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

      .faq-grid,
      .proof-row {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 860px) {
      .desktop-nav,
      .header-actions {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .mobile-panel {
        display: none;
      }

      .site-header.open .mobile-panel {
        display: block;
      }

      .topbar {
        gap: 12px;
      }

      .brand {
        font-size: 17px;
      }

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

      .section-head {
        align-items: start;
        flex-direction: column;
      }

      .lead-form {
        grid-template-columns: 1fr;
      }

      .hero-title {
        max-width: 100%;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .hero-section {
        padding-top: 22px;
      }

      .hero-board,
      .tools-shell,
      .proof-shell,
      .cta-shell {
        border-radius: 22px;
      }

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

      .tools-row {
        display: grid;
        gap: 12px;
      }

      .sort-box {
        width: 100%;
        justify-content: space-between;
      }

      .search-inline {
        flex-direction: column;
        align-items: stretch;
      }

      .search-inline .hint {
        white-space: normal;
      }

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

      .footer-links {
        gap: 8px;
      }

      summary {
        padding-right: 14px;
      }
    }