/* roulang page: index */
:root{
      --bg:#f4f7fb;
      --bg-soft:#eef3fa;
      --surface:#ffffff;
      --surface-2:#f8fbff;
      --line:#d9e3f0;
      --line-strong:#c8d5e6;
      --text:#17324d;
      --muted:#5f738b;
      --primary:#1d4ed8;
      --primary-2:#2563eb;
      --primary-soft:#e8f0ff;
      --accent:#0f766e;
      --accent-soft:#e3faf7;
      --warn:#f59e0b;
      --warn-soft:#fff4db;
      --shadow:0 10px 24px rgba(20, 47, 77, .08);
      --shadow-strong:0 16px 34px rgba(20, 47, 77, .12);
      --radius:8px;
      --radius-sm:6px;
      --max:1180px;
      --gap:24px;
      --gap-sm:16px;
    }

    *{box-sizing:border-box}
    html,body{margin:0;padding:0}
    body{
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      background:linear-gradient(180deg,#ffffff 0%,var(--bg) 100%);
      color:var(--text);
      line-height:1.7;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:2px}

    .grid-container{
      max-width:var(--max);
      padding-left:20px;
      padding-right:20px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter:saturate(150%) blur(10px);
      background:rgba(255,255,255,.9);
      border-bottom:1px solid rgba(217,227,240,.88);
    }

    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      font-size:18px;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:8px;
      background:linear-gradient(135deg,var(--primary) 0%,#2f6fff 100%);
      box-shadow:0 10px 20px rgba(37,99,235,.24);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      background:#fff;
      border-radius:999px;
    }
    .brand-mark:before{
      width:14px;height:14px;left:10px;top:10px;
      box-shadow:8px 0 0 rgba(255,255,255,.75), 0 8px 0 rgba(255,255,255,.85);
    }
    .brand-mark:after{
      width:6px;height:6px;left:14px;top:14px;background:var(--warn);
    }

    .nav-area{
      display:flex;
      align-items:center;
      gap:14px;
      margin-left:auto;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
    }

    .nav-link{
      padding:11px 14px;
      border-radius:8px;
      color:var(--muted);
      font-weight:600;
      border:1px solid transparent;
      position:relative;
    }
    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link.is-active{
      color:var(--primary);
      background:var(--primary-soft);
      border-color:#cfe0ff;
    }

    .mega-wrap{
      position:relative;
    }
    .mega-panel{
      position:absolute;
      top:calc(100% + 12px);
      right:0;
      width:440px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-strong);
      padding:18px;
      opacity:0;
      visibility:hidden;
      transform:translateY(10px);
      transition:.2s ease;
    }
    .mega-wrap:hover .mega-panel,
    .mega-wrap:focus-within .mega-panel{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .mega-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .mega-head strong{
      display:block;
      font-size:15px;
      line-height:1.4;
    }
    .mega-head p{
      margin:4px 0 0;
      font-size:13px;
      color:var(--muted);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .mega-card{
      border:1px solid var(--line);
      border-radius:8px;
      padding:14px;
      background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);
      min-height:120px;
    }
    .mega-card .kicker{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:12px;
      font-weight:700;
      color:var(--primary);
      margin-bottom:8px;
    }
    .mega-card p{
      margin:0;
      font-size:13px;
      color:var(--muted);
    }
    .mega-card .mini-link{
      display:inline-flex;
      margin-top:12px;
      color:var(--text);
      font-weight:700;
      font-size:13px;
    }
    .mega-card .mini-link:hover{color:var(--primary)}

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

    .nav-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:8px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--accent) 0%,#14b8a6 100%);
      box-shadow:0 0 0 4px rgba(15,118,110,.08);
    }

    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;height:44px;
      border-radius:8px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--text);
    }

    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(248,251,255,.98);
    }
    .mobile-panel-inner{
      padding:14px 0 18px;
      display:grid;
      gap:10px;
    }
    .mobile-panel .nav-link{
      width:100%;
      justify-content:flex-start;
      padding:12px 14px;
    }
    .mobile-panel .mega-panel{
      position:static;
      width:100%;
      opacity:1;
      visibility:visible;
      transform:none;
      box-shadow:none;
      margin-top:8px;
      padding:0;
      border:none;
      background:transparent;
    }

    .hero{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(255,255,255,.82) 0%,rgba(245,248,253,.96) 100%),
        linear-gradient(135deg,rgba(29,78,216,.05) 0%,rgba(15,118,110,.04) 100%);
      border-bottom:1px solid rgba(217,227,240,.75);
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(29,78,216,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29,78,216,.05) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,0));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:64px 0 52px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
      gap:28px;
      align-items:start;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      border:1px solid #cfe0ff;
      font-size:13px;
      font-weight:700;
      margin-bottom:16px;
    }
    .eyebrow .dot{width:7px;height:7px;box-shadow:none}
    .hero h1{
      margin:0;
      font-size:52px;
      line-height:1.12;
      letter-spacing:0;
      color:var(--text);
      max-width:11ch;
    }
    .hero-lead{
      margin:18px 0 0;
      max-width:700px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:8px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
    }
    .btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);
      box-shadow:0 10px 22px rgba(37,99,235,.18);
    }
    .btn-primary:hover{color:#fff}
    .btn-secondary{
      background:#fff;
      color:var(--primary);
      border-color:#cfe0ff;
    }
    .btn-secondary:hover{
      background:var(--primary-soft);
      color:var(--primary);
    }
    .btn-ghost{
      background:transparent;
      color:var(--text);
      border-color:var(--line);
    }
    .btn-ghost:hover{
      background:#fff;
      color:var(--primary);
      border-color:#d9e6ff;
    }

    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
      box-shadow:0 8px 18px rgba(20,47,77,.04);
    }
    .pill strong{color:var(--text)}

    .hero-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.96);
      box-shadow:var(--shadow-strong);
      overflow:hidden;
    }
    .hero-cover{
      padding:18px;
      background:
        linear-gradient(135deg,rgba(29,78,216,.11) 0%,rgba(15,118,110,.08) 100%),
        linear-gradient(180deg,#fff 0%,#f9fbff 100%);
      border-bottom:1px solid var(--line);
    }
    .cover-sheet{
      border:1px solid #dbe6f5;
      background:#fff;
      border-radius:8px;
      padding:18px;
      min-height:196px;
      position:relative;
      overflow:hidden;
    }
    .cover-sheet:before{
      content:"";
      position:absolute;
      inset:auto -30px -30px auto;
      width:120px;
      height:120px;
      border-radius:8px;
      border:1px solid rgba(37,99,235,.14);
      background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(15,118,110,.04));
      transform:rotate(10deg);
    }
    .cover-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--warn-soft);
      color:#b45309;
      font-size:12px;
      font-weight:700;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .cover-title{
      font-size:27px;
      line-height:1.18;
      font-weight:800;
      color:var(--text);
      margin:0 0 8px;
      position:relative;
      z-index:1;
    }
    .cover-sub{
      margin:0;
      color:var(--muted);
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .toc{
      display:grid;
      gap:10px;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .toc-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      border:1px solid var(--line);
      border-radius:8px;
      padding:10px 12px;
      background:#fff;
      font-size:13px;
      color:var(--text);
    }
    .toc-row span{
      color:var(--primary);
      font-weight:800;
      min-width:46px;
    }

    .lead-form{
      padding:18px;
    }
    .lead-form h2{
      margin:0;
      font-size:18px;
      line-height:1.35;
      color:var(--text);
    }
    .lead-form p{
      margin:8px 0 16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .form-grid{
      display:grid;
      gap:12px;
    }
    .form-field label{
      display:block;
      margin:0 0 6px;
      color:var(--text);
      font-size:13px;
      font-weight:700;
    }
    .form-field input,
    .form-field textarea{
      width:100%;
      min-height:44px;
      border-radius:8px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--text);
      padding:10px 12px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.7);
      transition:border-color .2s ease, box-shadow .2s ease;
    }
    .form-field input:focus,
    .form-field textarea:focus{
      border-color:#a9c5ff;
      box-shadow:0 0 0 4px rgba(37,99,235,.08);
      outline:none;
    }
    .form-field textarea{
      min-height:92px;
      resize:vertical;
    }
    .form-note{
      margin-top:12px;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }
    .form-status{
      margin-top:10px;
      color:var(--accent);
      font-size:13px;
      font-weight:700;
      min-height:22px;
    }

    .hero-meta{
      margin-top:14px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
    }
    .mini-stat{
      border:1px solid var(--line);
      border-radius:8px;
      background:#fff;
      padding:12px;
      box-shadow:0 8px 16px rgba(20,47,77,.04);
    }
    .mini-stat strong{
      display:block;
      font-size:20px;
      line-height:1.1;
      color:var(--text);
    }
    .mini-stat span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
    }

    .section{
      padding:72px 0;
    }
    .section.alt{
      background:var(--bg-soft);
      border-top:1px solid rgba(217,227,240,.75);
      border-bottom:1px solid rgba(217,227,240,.75);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .section-title-wrap{
      max-width:760px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--primary);
      font-size:13px;
      font-weight:700;
    }
    .section-title{
      margin:0;
      font-size:28px;
      line-height:1.28;
      color:var(--text);
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.9;
      font-size:15px;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:700;
      white-space:nowrap;
    }
    .section-link:hover{color:var(--primary-2)}

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .stat-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:18px;
      box-shadow:var(--shadow);
    }
    .stat-card .icon{
      width:40px;height:40px;border-radius:8px;
      display:flex;align-items:center;justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      margin-bottom:14px;
      font-size:18px;
    }
    .stat-card strong{
      display:block;
      font-size:28px;
      line-height:1.1;
      color:var(--text);
    }
    .stat-card span{
      display:block;
      margin-top:8px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .bento-grid{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:16px;
    }
    .feature-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:20px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:100%;
    }
    .feature-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-strong);
      border-color:#cfe0ff;
    }
    .feature-card .feature-icon{
      width:44px;height:44px;
      border-radius:8px;
      display:flex;align-items:center;justify-content:center;
      background:var(--accent-soft);
      color:var(--accent);
      font-size:19px;
      margin-bottom:14px;
    }
    .feature-card h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.4;
      color:var(--text);
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }
    .feature-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .feature-list li{
      display:flex;
      gap:10px;
      color:var(--text);
      font-size:13px;
      line-height:1.7;
    }
    .feature-list i{color:var(--primary);margin-top:4px}
    .span-7{grid-column:span 7}
    .span-5{grid-column:span 5}
    .span-4{grid-column:span 4}
    .span-6{grid-column:span 6}
    .span-8{grid-column:span 8}

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .topic-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      padding:18px;
      box-shadow:var(--shadow);
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .topic-card .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      align-self:flex-start;
      padding:6px 10px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:12px;
      font-weight:700;
      margin-bottom:12px;
    }
    .topic-card h3{
      margin:0 0 8px;
      font-size:17px;
      line-height:1.35;
    }
    .topic-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .topic-footer{
      margin-top:auto;
      padding-top:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .topic-footer .sub{
      color:var(--muted);
      font-size:12px;
    }
    .topic-footer a{
      color:var(--primary);
      font-weight:700;
      font-size:13px;
    }

    .workflow-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:16px;
      align-items:start;
    }
    .steps{
      display:grid;
      gap:14px;
    }
    .step{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .step-index{
      width:38px;height:38px;
      border-radius:8px;
      flex:0 0 auto;
      background:var(--primary-soft);
      color:var(--primary);
      display:flex;align-items:center;justify-content:center;
      font-weight:800;
    }
    .step h3{
      margin:0 0 6px;
      font-size:16px;
      line-height:1.35;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .workflow-aside{
      background:linear-gradient(180deg,#fff 0%,#fafdff 100%);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:18px;
      position:sticky;
      top:96px;
    }
    .workflow-aside h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.35;
    }
    .workflow-aside p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .assist-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .assist-list li{
      display:flex;
      gap:10px;
      color:var(--text);
      font-size:13px;
      line-height:1.7;
      padding:10px 12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:8px;
    }
    .assist-list i{
      color:var(--accent);
      margin-top:4px;
    }

    .news-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
      gap:16px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .news-row{
      display:flex;
      gap:16px;
      align-items:flex-start;
      justify-content:space-between;
      padding:16px 18px;
      border-bottom:1px solid var(--line);
    }
    .news-row:last-child{border-bottom:none}
    .news-main{
      min-width:0;
    }
    .news-main a{
      display:inline-block;
      font-size:15px;
      line-height:1.5;
      font-weight:700;
      color:var(--text);
      margin-bottom:6px;
    }
    .news-main a:hover{color:var(--primary)}
    .news-main p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .news-meta{
      flex:0 0 auto;
      display:grid;
      gap:8px;
      justify-items:end;
      min-width:78px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent);
      font-size:12px;
      font-weight:700;
    }
    .date{
      color:var(--muted);
      font-size:12px;
    }

    .news-side{
      display:grid;
      gap:16px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:18px;
    }
    .side-card h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.35;
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:13px;
      font-weight:700;
      border:1px solid #d7e6ff;
    }
    .tag-cloud a:nth-child(3n){
      background:var(--warn-soft);
      border-color:#ffe4ae;
      color:#b45309;
    }
    .highlight-box{
      background:linear-gradient(135deg,rgba(29,78,216,.07) 0%,rgba(15,118,110,.06) 100%);
      border:1px solid #d7e6ff;
      border-radius:8px;
      padding:16px;
      margin-top:14px;
    }
    .highlight-box strong{
      display:block;
      font-size:16px;
      margin-bottom:8px;
      color:var(--text);
    }
    .highlight-box ul{
      margin:0;
      padding-left:18px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    .plans-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .plan-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px 20px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .plan-card.featured{
      border-color:#bcd2ff;
      box-shadow:var(--shadow-strong);
      transform:translateY(-2px);
    }
    .plan-card .plan-ribbon{
      position:absolute;
      top:14px;
      right:-42px;
      transform:rotate(36deg);
      background:var(--warn);
      color:#fff;
      font-size:12px;
      font-weight:800;
      padding:6px 46px;
      letter-spacing:0;
    }
    .plan-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .price{
      display:flex;
      align-items:flex-end;
      gap:6px;
      margin:10px 0 14px;
      color:var(--text);
    }
    .price strong{
      font-size:34px;
      line-height:1;
    }
    .price span{
      color:var(--muted);
      font-size:13px;
      padding-bottom:4px;
    }
    .plan-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }
    .plan-list{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
      color:var(--text);
      font-size:13px;
      line-height:1.7;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .plan-list i{
      color:var(--accent);
      margin-top:4px;
    }
    .plan-actions{
      margin-top:auto;
      padding-top:18px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }

    .trust-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .trust-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:18px;
      box-shadow:var(--shadow);
    }
    .trust-top{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:12px;
    }
    .trust-icon{
      width:42px;height:42px;border-radius:8px;
      background:var(--primary-soft);
      color:var(--primary);
      display:flex;align-items:center;justify-content:center;
      font-size:18px;
    }
    .trust-card h3{
      margin:0;
      font-size:17px;
      line-height:1.35;
    }
    .trust-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .symbol{
      width:30px;height:30px;border-radius:8px;
      flex:0 0 auto;
      display:flex;align-items:center;justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      transition:transform .2s ease;
    }
    .faq-item[open] summary .symbol{transform:rotate(45deg)}
    .faq-content{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }

    .cta-band{
      margin-top:16px;
      padding:20px;
      border-radius:var(--radius);
      background:linear-gradient(135deg,rgba(29,78,216,.08) 0%,rgba(15,118,110,.05) 100%);
      border:1px solid #d7e6ff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .cta-band strong{
      display:block;
      font-size:18px;
      line-height:1.35;
      color:var(--text);
      margin-bottom:6px;
    }
    .cta-band p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .footer{
      background:#10233a;
      color:#dbe7f3;
      padding:44px 0 28px;
      margin-top:0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(219,231,243,.16);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:800;
      color:#fff;
      margin-bottom:12px;
    }
    .footer p{
      margin:0;
      color:#b9c8d8;
      font-size:14px;
      line-height:1.9;
    }
    .footer h4{
      margin:0 0 12px;
      font-size:15px;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#c9d7e6;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff}
    .footer-note{
      padding-top:16px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#9fb2c6;
      font-size:13px;
    }

    .soft-line{
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(29,78,216,.2),transparent);
      margin:18px 0 0;
    }

    .hidden-desktop{display:none}
    .desktop-only{display:block}

    @media (max-width: 1100px){
      .hero-grid{grid-template-columns:1fr}
      .workflow-grid,
      .news-grid{
        grid-template-columns:1fr;
      }
      .workflow-aside{position:static}
      .plans-grid,
      .stats-grid,
      .topic-grid,
      .trust-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .bento-grid .span-7,
      .bento-grid .span-5,
      .bento-grid .span-4,
      .bento-grid .span-6,
      .bento-grid .span-8{
        grid-column:span 6;
      }
      .footer-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
    }

    @media (max-width: 768px){
      .desktop-only{display:none}
      .menu-toggle{display:inline-flex}
      .nav-area{
        width:100%;
        flex-direction:column;
        align-items:stretch;
        gap:10px;
      }
      .nav-links{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.is-open{display:flex}
      .nav-badge{display:none}
      .mobile-panel{display:block}
      .mega-panel{
        width:100%;
        right:auto;
        left:0;
      }
      .nav-shell{
        min-height:68px;
        flex-wrap:wrap;
        padding:12px 0;
      }
      .hero-inner{padding:42px 0 34px}
      .hero h1{font-size:38px;max-width:none}
      .hero-lead{font-size:15px}
      .hero-meta{grid-template-columns:1fr}
      .section{padding:56px 0}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-title{font-size:24px}
      .stats-grid,
      .topic-grid,
      .plans-grid,
      .trust-grid{
        grid-template-columns:1fr;
      }
      .bento-grid{
        grid-template-columns:1fr;
      }
      .bento-grid .span-7,
      .bento-grid .span-5,
      .bento-grid .span-4,
      .bento-grid .span-6,
      .bento-grid .span-8{
        grid-column:auto;
      }
      .cta-band{
        flex-direction:column;
        align-items:flex-start;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .nav-links{
        padding-top:8px;
      }
    }

    @media (max-width: 520px){
      .grid-container{padding-left:16px;padding-right:16px}
      .hero h1{font-size:32px}
      .hero-lead{line-height:1.85}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .news-row{
        flex-direction:column;
      }
      .news-meta{
        justify-items:flex-start;
        min-width:0;
      }
      .cover-title{font-size:24px}
      .mini-stat strong{font-size:18px}
      .section-desc,
      .feature-card p,
      .topic-card p,
      .plan-card p,
      .trust-card p,
      .faq-content{
        font-size:13px;
      }
    }

/* roulang page: category1 */
:root {
      --color-primary: #1d5fd1;
      --color-primary-dark: #164aa6;
      --color-primary-soft: #eaf2ff;
      --color-accent: #21b6a8;
      --color-accent-soft: #e8fbf8;
      --color-warning: #ffb020;
      --color-text: #13233f;
      --color-muted: #66758d;
      --color-light: #f6f9fd;
      --color-white: #ffffff;
      --color-border: #dfe7f2;
      --color-border-strong: #c8d7ea;
      --shadow-sm: 0 8px 24px rgba(19, 35, 63, 0.07);
      --shadow-md: 0 16px 44px rgba(19, 35, 63, 0.1);
      --radius-xs: 6px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --space-section: 76px;
      --transition: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 10% 0%, rgba(29, 95, 209, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f7faff 48%, #ffffff 100%);
      overflow-x: hidden;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input:focus,
    select:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(33, 182, 168, 0.28);
      outline-offset: 3px;
    }

    .grid-container {
      max-width: 1180px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      background: rgba(255, 255, 255, 0.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(223, 231, 242, 0.9);
      box-shadow: 0 8px 28px rgba(19, 35, 63, 0.04);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--color-text);
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand {
      font-size: 18px;
    }

    .brand:hover,
    .footer-brand:hover {
      color: var(--color-primary);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(255, 176, 32, 0.95), rgba(255, 176, 32, 0.2) 34%, transparent 34%),
        linear-gradient(135deg, var(--color-primary), #4e8cff);
      box-shadow: 0 10px 22px rgba(29, 95, 209, 0.24);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 2px solid rgba(255, 255, 255, 0.85);
      border-radius: 50%;
    }

    .nav-area {
      display: flex;
      align-items: center;
      gap: 18px;
    }

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

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 9px 14px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      border-radius: 999px;
      border: 1px solid transparent;
    }

    .nav-link:hover,
    .nav-link.is-active {
      color: var(--color-primary);
      background: var(--color-primary-soft);
      border-color: rgba(29, 95, 209, 0.14);
    }

    .mega-wrap {
      position: relative;
    }

    .mega-panel {
      position: absolute;
      top: calc(100% + 14px);
      right: 0;
      width: 430px;
      padding: 18px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.98);
      box-shadow: var(--shadow-md);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    }

    .mega-wrap:hover .mega-panel,
    .mega-wrap:focus-within .mega-panel {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .mega-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 14px;
      margin-bottom: 14px;
      border-bottom: 1px solid var(--color-border);
    }

    .mega-head strong {
      display: block;
      font-size: 16px;
      margin-bottom: 4px;
    }

    .mega-head p,
    .mega-card p,
    .footer p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.6;
    }

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

    .mega-card {
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-light);
    }

    .mega-card:hover {
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .mini-link {
      display: inline-flex;
      margin-top: 10px;
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 800;
    }

    .mini-link:hover {
      color: var(--color-primary-dark);
      text-decoration: underline;
    }

    .nav-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      color: var(--color-primary-dark);
      background: #f2f7ff;
      border: 1px solid #d8e6fb;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(33, 182, 168, 0.13);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      color: var(--color-primary);
      background: var(--color-white);
    }

    .mobile-panel {
      margin-top: 12px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-white);
      box-shadow: var(--shadow-sm);
    }

    .mobile-panel-inner {
      padding: 12px;
      display: grid;
      gap: 8px;
    }

    .mobile-panel .mega-panel {
      position: static;
      width: auto;
      opacity: 1;
      visibility: visible;
      transform: none;
      box-shadow: none;
      margin-top: 6px;
      padding: 14px;
      background: var(--color-light);
    }

    .desktop-only {
      display: inline-flex;
    }

    .page-hero {
      padding: 54px 0 38px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      margin: 0 0 22px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
    }

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

    .hero-board {
      display: grid;
      grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
      gap: 34px;
      align-items: stretch;
      padding: 30px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(246, 249, 253, 0.92)),
        radial-gradient(circle at 100% 0%, rgba(33, 182, 168, 0.12), transparent 32%);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      position: relative;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      left: 30px;
      right: 30px;
      top: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-warning));
      border-radius: 0 0 999px 999px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      margin-bottom: 16px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border: 1px solid rgba(29, 95, 209, 0.14);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 760px;
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.08;
      letter-spacing: -0.045em;
      margin-bottom: 18px;
      color: var(--color-text);
    }

    .hero-copy {
      max-width: 720px;
      color: var(--color-muted);
      font-size: 17px;
      margin-bottom: 24px;
    }

    .hero-actions,
    .section-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      font-size: 14px;
      line-height: 1;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }

    .btn-primary {
      color: var(--color-white);
      background: linear-gradient(135deg, var(--color-primary), #4b8cff);
      box-shadow: 0 12px 26px rgba(29, 95, 209, 0.24);
    }

    .btn-primary:hover {
      color: var(--color-white);
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(29, 95, 209, 0.32);
    }

    .btn-outline {
      color: var(--color-primary);
      background: var(--color-white);
      border-color: var(--color-border-strong);
    }

    .btn-outline:hover {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      transform: translateY(-2px);
      border-color: rgba(29, 95, 209, 0.28);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
    }

    .metric {
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.72);
    }

    .metric strong {
      display: block;
      color: var(--color-primary);
      font-size: 25px;
      line-height: 1.1;
      letter-spacing: -0.03em;
    }

    .metric span {
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 700;
    }

    .vertical-preview {
      align-self: center;
      max-width: 330px;
      width: 100%;
      min-height: 500px;
      margin-left: auto;
      border-radius: 24px;
      padding: 16px;
      background: linear-gradient(180deg, #102c65, #1d5fd1);
      box-shadow: 0 30px 70px rgba(29, 95, 209, 0.24);
      color: var(--color-white);
      position: relative;
      overflow: hidden;
    }

    .vertical-preview::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 80% 12%, rgba(255, 176, 32, 0.35), transparent 24%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 48%);
      pointer-events: none;
    }

    .phone-top {
      position: relative;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      font-weight: 800;
      opacity: 0.92;
      margin-bottom: 20px;
    }

    .screen-card {
      position: relative;
      padding: 18px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(10px);
      margin-bottom: 14px;
    }

    .screen-card h3 {
      font-size: 20px;
      line-height: 1.25;
      margin-bottom: 10px;
      color: #ffffff;
    }

    .screen-card p {
      color: rgba(255, 255, 255, 0.78);
      font-size: 13px;
      margin-bottom: 0;
    }

    .mini-row {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px;
      margin-top: 10px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.12);
    }

    .mini-dot {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.16);
      color: #ffffff;
      flex: 0 0 auto;
    }

    .mini-row strong {
      display: block;
      font-size: 13px;
      line-height: 1.2;
    }

    .mini-row span {
      display: block;
      color: rgba(255, 255, 255, 0.72);
      font-size: 12px;
      margin-top: 3px;
    }

    .section {
      padding: var(--space-section) 0;
    }

    .section.compact {
      padding-top: 44px;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(246, 249, 253, 0.65), rgba(255, 255, 255, 0));
      border-top: 1px solid rgba(223, 231, 242, 0.6);
      border-bottom: 1px solid rgba(223, 231, 242, 0.5);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.48fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-head h2 {
      font-size: clamp(26px, 3.5vw, 38px);
      line-height: 1.18;
      letter-spacing: -0.035em;
      margin-bottom: 10px;
    }

    .section-head p {
      color: var(--color-muted);
      margin-bottom: 0;
    }

    .filter-shell {
      padding: 18px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-white);
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .filter-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      margin-bottom: 14px;
    }

    .filter-title {
      font-weight: 900;
      color: var(--color-text);
    }

    .filter-note {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag,
    .status-tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .tag {
      padding: 8px 12px;
      color: var(--color-muted);
      background: var(--color-light);
      border: 1px solid var(--color-border);
    }

    .tag:hover,
    .tag.is-selected {
      color: var(--color-primary);
      background: var(--color-primary-soft);
      border-color: rgba(29, 95, 209, 0.25);
      transform: translateY(-1px);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 318px;
      gap: 28px;
      align-items: start;
    }

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

    .content-card,
    .side-card,
    .feature-card,
    .flow-card,
    .plan-card,
    .case-card,
    .faq-item,
    .cta-panel {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-white);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }

    .content-card:hover,
    .feature-card:hover,
    .case-card:hover,
    .plan-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-border-strong);
    }

    .content-card {
      overflow: hidden;
    }

    .cover {
      min-height: 156px;
      padding: 16px;
      color: var(--color-white);
      background:
        linear-gradient(135deg, rgba(29, 95, 209, 0.92), rgba(33, 182, 168, 0.74)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px 48px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .cover.soft {
      background:
        linear-gradient(135deg, rgba(22, 74, 166, 0.94), rgba(75, 140, 255, 0.82)),
        radial-gradient(circle at 90% 10%, rgba(255, 176, 32, 0.42), transparent 28%);
    }

    .cover.clean {
      background:
        linear-gradient(135deg, rgba(33, 182, 168, 0.9), rgba(29, 95, 209, 0.82)),
        linear-gradient(90deg, rgba(255, 255, 255, 0.2), transparent);
    }

    .cover.light {
      background:
        linear-gradient(135deg, rgba(84, 132, 219, 0.95), rgba(255, 176, 32, 0.68)),
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.24), transparent 26%);
    }

    .cover-labels {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .status-tag {
      padding: 6px 9px;
      color: #ffffff;
      background: rgba(255, 255, 255, 0.18);
      border: 1px solid rgba(255, 255, 255, 0.22);
      backdrop-filter: blur(8px);
    }

    .cover strong {
      font-size: 28px;
      letter-spacing: -0.04em;
      line-height: 1;
    }

    .card-body {
      padding: 18px;
    }

    .card-body h3 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .card-body p {
      color: var(--color-muted);
      font-size: 14px;
      margin-bottom: 14px;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 800;
      padding-top: 12px;
      border-top: 1px solid var(--color-border);
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 92px;
    }

    .side-card {
      padding: 18px;
    }

    .side-card h3 {
      font-size: 17px;
      margin-bottom: 12px;
    }

    .hot-list,
    .check-list,
    .timeline-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .hot-list li,
    .check-list li,
    .timeline-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-muted);
      font-size: 14px;
    }

    .hot-list span {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      font-size: 12px;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .check-list i {
      color: var(--color-accent);
      margin-top: 4px;
      flex: 0 0 auto;
    }

    .search-box {
      display: flex;
      gap: 8px;
      margin-top: 12px;
    }

    .search-box input {
      width: 100%;
      min-height: 42px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      padding: 0 12px;
      background: var(--color-light);
      color: var(--color-text);
      box-shadow: none;
      margin: 0;
    }

    .search-box button {
      min-width: 46px;
      border: 0;
      border-radius: var(--radius-sm);
      color: var(--color-white);
      background: var(--color-primary);
    }

    .feature-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
      gap: 20px;
      align-items: stretch;
    }

    .feature-card {
      padding: 22px;
    }

    .feature-card.emphasis {
      background:
        linear-gradient(135deg, rgba(234, 242, 255, 0.86), rgba(255, 255, 255, 0.98)),
        radial-gradient(circle at 100% 0%, rgba(33, 182, 168, 0.12), transparent 32%);
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .feature-card h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .feature-card p {
      color: var(--color-muted);
      margin-bottom: 0;
    }

    .feature-mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .cases-row {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .case-card {
      padding: 20px;
      position: relative;
      overflow: hidden;
    }

    .case-card::after {
      content: "";
      position: absolute;
      width: 88px;
      height: 88px;
      right: -28px;
      bottom: -32px;
      border-radius: 50%;
      background: rgba(29, 95, 209, 0.08);
    }

    .case-card h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .case-card p {
      color: var(--color-muted);
      font-size: 14px;
      margin-bottom: 16px;
    }

    .case-score {
      display: flex;
      align-items: baseline;
      gap: 8px;
      color: var(--color-primary);
      font-weight: 900;
    }

    .case-score strong {
      font-size: 34px;
      line-height: 1;
      letter-spacing: -0.04em;
    }

    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .flow-card {
      padding: 20px;
      min-height: 190px;
    }

    .flow-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      margin-bottom: 16px;
      border-radius: 50%;
      color: var(--color-white);
      background: var(--color-primary);
      font-weight: 900;
      box-shadow: 0 10px 20px rgba(29, 95, 209, 0.22);
    }

    .flow-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .flow-card p {
      color: var(--color-muted);
      font-size: 14px;
      margin-bottom: 0;
    }

    .plans {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr 0.9fr;
      gap: 18px;
      align-items: stretch;
    }

    .plan-card {
      padding: 22px;
      position: relative;
    }

    .plan-card.highlight {
      border-color: rgba(29, 95, 209, 0.34);
      box-shadow: 0 20px 54px rgba(29, 95, 209, 0.15);
      transform: translateY(-8px);
    }

    .plan-card.highlight:hover {
      transform: translateY(-12px);
    }

    .plan-name {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 14px;
    }

    .plan-name h3 {
      margin: 0;
      font-size: 20px;
    }

    .plan-price {
      font-size: 32px;
      font-weight: 900;
      color: var(--color-primary);
      letter-spacing: -0.04em;
      margin-bottom: 6px;
    }

    .plan-desc {
      color: var(--color-muted);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: var(--color-white);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      text-align: left;
      padding: 18px;
      color: var(--color-text);
      font-weight: 900;
    }

    .faq-question:hover {
      color: var(--color-primary);
      background: #fbfdff;
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .faq-item.is-open .faq-question i {
      transform: rotate(180deg);
    }

    .faq-question i {
      transition: transform var(--transition);
      color: var(--color-primary);
    }

    .cta-panel {
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(29, 95, 209, 0.96), rgba(22, 74, 166, 0.96)),
        radial-gradient(circle at 86% 22%, rgba(255, 176, 32, 0.4), transparent 28%);
      color: var(--color-white);
      overflow: hidden;
    }

    .cta-panel h2 {
      color: var(--color-white);
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.18;
      margin-bottom: 10px;
    }

    .cta-panel p {
      color: rgba(255, 255, 255, 0.78);
      margin-bottom: 0;
    }

    .cta-panel .btn-outline {
      background: rgba(255, 255, 255, 0.1);
      color: var(--color-white);
      border-color: rgba(255, 255, 255, 0.3);
    }

    .cta-panel .btn-outline:hover {
      background: rgba(255, 255, 255, 0.18);
      color: var(--color-white);
    }

    .footer {
      padding: 54px 0 24px;
      background: #0f213d;
      color: rgba(255, 255, 255, 0.86);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.7fr 0.8fr 0.8fr;
      gap: 28px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

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

    .footer h4 {
      color: #ffffff;
      font-size: 15px;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #ffffff;
      transform: translateX(2px);
    }

    .footer-note {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 18px;
      color: rgba(255, 255, 255, 0.58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --space-section: 62px;
      }

      .desktop-only {
        display: none;
      }

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

      .vertical-preview {
        margin: 0;
        max-width: none;
        min-height: 360px;
      }

      .section-head,
      .content-layout,
      .feature-layout,
      .faq-wrap,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
      }

      .cases-row,
      .plans {
        grid-template-columns: 1fr;
      }

      .plan-card.highlight {
        transform: none;
      }

      .plan-card.highlight:hover {
        transform: translateY(-4px);
      }

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

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

    @media (max-width: 768px) {
      .site-header {
        padding: 10px 0;
      }

      .nav-shell {
        align-items: center;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links {
        display: none;
      }

      .brand {
        font-size: 16px;
        min-width: 0;
      }

      .brand span:last-child {
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .page-hero {
        padding-top: 32px;
      }

      .hero-board {
        padding: 22px;
        border-radius: 18px;
      }

      .hero-metrics,
      .directory-grid,
      .feature-mini-grid {
        grid-template-columns: 1fr;
      }

      .filter-top {
        align-items: flex-start;
        flex-direction: column;
      }

      .cta-panel {
        padding: 24px;
      }

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

      .footer-note {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .grid-container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .hero-actions,
      .section-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .vertical-preview {
        min-height: 320px;
        border-radius: 18px;
      }

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

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

      .footer {
        padding-top: 42px;
      }
    }